12 files changed, 4551 insertions, 1751 deletions

diff --git a/drivers/net/netxen/Makefile b/drivers/net/netxen/Makefile
index a07cdc6f7384..8e7c4c910d2a 100644
--- a/drivers/net/netxen/Makefile
+++ b/drivers/net/netxen/Makefile
@@ -32,4 +32,4 @@
 obj-$(CONFIG_NETXEN_NIC) := netxen_nic.o
 
 netxen_nic-y := netxen_nic_hw.o netxen_nic_main.o netxen_nic_init.o \
-        netxen_nic_isr.o netxen_nic_ethtool.o netxen_nic_niu.o
+        netxen_nic_ethtool.o netxen_nic_niu.o netxen_nic_ctx.o
diff --git a/drivers/net/netxen/netxen_nic.h b/drivers/net/netxen/netxen_nic.h
index da4c4fb97064..8e736614407d 100644
--- a/drivers/net/netxen/netxen_nic.h
+++ b/drivers/net/netxen/netxen_nic.h
@@ -54,6 +54,7 @@
 
 #include <linux/mm.h>
 #include <linux/mman.h>
+#include <linux/vmalloc.h>
 
 #include <asm/system.h>
 #include <asm/io.h>
@@ -63,10 +64,12 @@
 
 #include "netxen_nic_hw.h"
 
-#define _NETXEN_NIC_LINUX_MAJOR 3
-#define _NETXEN_NIC_LINUX_MINOR 4
-#define _NETXEN_NIC_LINUX_SUBVERSION 18
-#define NETXEN_NIC_LINUX_VERSIONID  "3.4.18"
+#define _NETXEN_NIC_LINUX_MAJOR 4
+#define _NETXEN_NIC_LINUX_MINOR 0
+#define _NETXEN_NIC_LINUX_SUBVERSION 0
+#define NETXEN_NIC_LINUX_VERSIONID  "4.0.0"
+
+#define NETXEN_VERSION_CODE(a, b, c)    (((a) << 16) + ((b) << 8) + (c))
 
 #define NETXEN_NUM_FLASH_SECTORS (64)
 #define NETXEN_FLASH_SECTOR_SIZE (64 * 1024)
@@ -84,7 +87,7 @@
 #define TX_RINGSIZE     \
         (sizeof(struct netxen_cmd_buffer) * adapter->max_tx_desc_count)
 #define RCV_BUFFSIZE    \
-        (sizeof(struct netxen_rx_buffer) * rcv_desc->max_rx_desc_count)
+        (sizeof(struct netxen_rx_buffer) * rds_ring->max_rx_desc_count)
 #define find_diff_among(a,b,range) ((a)<(b)?((b)-(a)):((b)+(range)-(a)))
 
 #define NETXEN_NETDEV_STATUS            0x1
@@ -111,6 +114,13 @@
 
 #define NX_P2_C0                0x24
 #define NX_P2_C1                0x25
+#define NX_P3_A0                0x30
+#define NX_P3_A2                0x30
+#define NX_P3_B0                0x40
+#define NX_P3_B1                0x41
+
+#define NX_IS_REVISION_P2(REVISION)     (REVISION <= NX_P2_C1)
+#define NX_IS_REVISION_P3(REVISION)     (REVISION >= NX_P3_A0)
 
 #define FIRST_PAGE_GROUP_START  0
 #define FIRST_PAGE_GROUP_END    0x100000
@@ -125,6 +135,16 @@
 #define SECOND_PAGE_GROUP_SIZE SECOND_PAGE_GROUP_END - SECOND_PAGE_GROUP_START
 #define THIRD_PAGE_GROUP_SIZE  THIRD_PAGE_GROUP_END - THIRD_PAGE_GROUP_START
 
+#define P2_MAX_MTU                     (8000)
+#define P3_MAX_MTU                     (9600)
+#define NX_ETHERMTU                    1500
+#define NX_MAX_ETHERHDR                32 /* This contains some padding */
+
+#define NX_RX_NORMAL_BUF_MAX_LEN       (NX_MAX_ETHERHDR + NX_ETHERMTU)
+#define NX_P2_RX_JUMBO_BUF_MAX_LEN     (NX_MAX_ETHERHDR + P2_MAX_MTU)
+#define NX_P3_RX_JUMBO_BUF_MAX_LEN     (NX_MAX_ETHERHDR + P3_MAX_MTU)
+#define NX_CT_DEFAULT_RX_BUF_LEN        2048
+
 #define MAX_RX_BUFFER_LENGTH            1760
 #define MAX_RX_JUMBO_BUFFER_LENGTH      8062
 #define MAX_RX_LRO_BUFFER_LENGTH        ((48*1024)-512)
@@ -132,7 +152,6 @@
 #define RX_JUMBO_DMA_MAP_LEN    \
         (MAX_RX_JUMBO_BUFFER_LENGTH - 2)
 #define RX_LRO_DMA_MAP_LEN              (MAX_RX_LRO_BUFFER_LENGTH - 2)
-#define NETXEN_ROM_ROUNDUP              0x80000000ULL
 
 /*
  * Maximum number of ring contexts
@@ -140,16 +159,16 @@
 #define MAX_RING_CTX 1
 
 /* Opcodes to be used with the commands */
-enum {
-        TX_ETHER_PKT = 0x01,
-/* The following opcodes are for IP checksum    */
-        TX_TCP_PKT,
-        TX_UDP_PKT,
-        TX_IP_PKT,
-        TX_TCP_LSO,
-        TX_IPSEC,
-        TX_IPSEC_CMD
-};
+#define TX_ETHER_PKT    0x01
+#define TX_TCP_PKT      0x02
+#define TX_UDP_PKT      0x03
+#define TX_IP_PKT       0x04
+#define TX_TCP_LSO      0x05
+#define TX_TCP_LSO6     0x06
+#define TX_IPSEC        0x07
+#define TX_IPSEC_CMD    0x0a
+#define TX_TCPV6_PKT    0x0b
+#define TX_UDPV6_PKT    0x0c
 
 /* The following opcodes are for internal consumption. */
 #define NETXEN_CONTROL_OP       0x10
@@ -191,6 +210,7 @@ enum {
 #define MAX_RCV_DESCRIPTORS             16384
 #define MAX_CMD_DESCRIPTORS_HOST        (MAX_CMD_DESCRIPTORS / 4)
 #define MAX_RCV_DESCRIPTORS_1G          (MAX_RCV_DESCRIPTORS / 4)
+#define MAX_RCV_DESCRIPTORS_10G         8192
 #define MAX_JUMBO_RCV_DESCRIPTORS       1024
 #define MAX_LRO_RCV_DESCRIPTORS         64
 #define MAX_RCVSTATUS_DESCRIPTORS       MAX_RCV_DESCRIPTORS
@@ -219,8 +239,6 @@ enum {
 #define MPORT_MULTI_FUNCTION_MODE 0x2222
 
 #include "netxen_nic_phan_reg.h"
-extern unsigned long long netxen_dma_mask;
-extern unsigned long last_schedule_time;
 
 /*
  * NetXen host-peg signal message structure
@@ -289,7 +307,7 @@ struct netxen_ring_ctx {
 #define netxen_set_cmd_desc_port(cmd_desc, var) \
         ((cmd_desc)->port_ctxid |= ((var) & 0x0F))
 #define netxen_set_cmd_desc_ctxid(cmd_desc, var)        \
-        ((cmd_desc)->port_ctxid |= ((var) & 0xF0))
+        ((cmd_desc)->port_ctxid |= ((var) << 4 & 0xF0))
 
 #define netxen_set_cmd_desc_flags(cmd_desc, val)        \
         (cmd_desc)->flags_opcode = ((cmd_desc)->flags_opcode & \
@@ -377,8 +395,8 @@ struct rcv_desc {
 };
 
 /* opcode field in status_desc */
-#define RCV_NIC_PKT     (0xA)
-#define STATUS_NIC_PKT  ((RCV_NIC_PKT) << 12)
+#define NETXEN_NIC_RXPKT_DESC  0x04
+#define NETXEN_OLD_RXPKT_DESC  0x3f
 
 /* for status field in status_desc */
 #define STATUS_NEED_CKSUM       (1)
@@ -410,6 +428,8 @@ struct rcv_desc {
         (((sts_data) >> 28) & 0xFFFF)
 #define netxen_get_sts_prot(sts_data)   \
         (((sts_data) >> 44) & 0x0F)
+#define netxen_get_sts_pkt_offset(sts_data)     \
+        (((sts_data) >> 48) & 0x1F)
 #define netxen_get_sts_opcode(sts_data) \
         (((sts_data) >> 58) & 0x03F)
 
@@ -424,17 +444,30 @@ struct rcv_desc {
 
 struct status_desc {
         /* Bit pattern: 0-3 port, 4-7 status, 8-11 type, 12-27 total_length
-           28-43 reference_handle, 44-47 protocol, 48-52 unused
+           28-43 reference_handle, 44-47 protocol, 48-52 pkt_offset
            53-55 desc_cnt, 56-57 owner, 58-63 opcode
          */
         __le64 status_desc_data;
-        __le32 hash_value;
-        u8 hash_type;
-        u8 msg_type;
-        u8 unused;
-        /* Bit pattern: 0-6 lro_count indicates frag sequence,
-           7 last_frag indicates last frag */
-        u8 lro;
+        union {
+                struct {
+                        __le32 hash_value;
+                        u8 hash_type;
+                        u8 msg_type;
+                        u8 unused;
+                        union {
+                                /* Bit pattern: 0-6 lro_count indicates frag
+                                 * sequence, 7 last_frag indicates last frag
+                                 */
+                                u8 lro;
+
+                                /* chained buffers */
+                                u8 nr_frags;
+                        };
+                };
+                struct {
+                        __le16 frag_handles[4];
+                };
+        };
 } __attribute__ ((aligned(16)));
 
 enum {
@@ -464,7 +497,20 @@ typedef enum {
 
         NETXEN_BRDTYPE_P2_SB31_10G_IMEZ = 0x000d,
         NETXEN_BRDTYPE_P2_SB31_10G_HMEZ = 0x000e,
-        NETXEN_BRDTYPE_P2_SB31_10G_CX4 = 0x000f
+        NETXEN_BRDTYPE_P2_SB31_10G_CX4 = 0x000f,
+
+        NETXEN_BRDTYPE_P3_REF_QG = 0x0021,
+        NETXEN_BRDTYPE_P3_HMEZ = 0x0022,
+        NETXEN_BRDTYPE_P3_10G_CX4_LP = 0x0023,
+        NETXEN_BRDTYPE_P3_4_GB = 0x0024,
+        NETXEN_BRDTYPE_P3_IMEZ = 0x0025,
+        NETXEN_BRDTYPE_P3_10G_SFP_PLUS = 0x0026,
+        NETXEN_BRDTYPE_P3_10000_BASE_T = 0x0027,
+        NETXEN_BRDTYPE_P3_XG_LOM = 0x0028,
+        NETXEN_BRDTYPE_P3_4_GB_MM = 0x0029,
+        NETXEN_BRDTYPE_P3_10G_CX4 = 0x0031,
+        NETXEN_BRDTYPE_P3_10G_XFP = 0x0032
+
 } netxen_brdtype_t;
 
 typedef enum {
@@ -747,6 +793,7 @@ struct netxen_cmd_buffer {
 
 /* In rx_buffer, we do not need multiple fragments as is a single buffer */
 struct netxen_rx_buffer {
+        struct list_head list;
         struct sk_buff *skb;
         u64 dma;
         u16 ref_handle;
@@ -765,7 +812,6 @@ struct netxen_rx_buffer {
  * contains interrupt info as well shared hardware info.
  */
 struct netxen_hardware_context {
-        struct pci_dev *pdev;
         void __iomem *pci_base0;
         void __iomem *pci_base1;
         void __iomem *pci_base2;
@@ -773,15 +819,20 @@ struct netxen_hardware_context {
         unsigned long first_page_group_start;
         void __iomem *db_base;
         unsigned long db_len;
+        unsigned long pci_len0;
+
+        u8 cut_through;
+        int qdr_sn_window;
+        int ddr_mn_window;
+        unsigned long mn_win_crb;
+        unsigned long ms_win_crb;
 
         u8 revision_id;
         u16 board_type;
         struct netxen_board_info boardcfg;
-        u32 xg_linkup;
-        u32 qg_linksup;
+        u32 linkup;
         /* Address of cmd ring in Phantom */
         struct cmd_desc_type0 *cmd_desc_head;
-        struct pci_dev *cmd_desc_pdev;
         dma_addr_t cmd_desc_phys_addr;
         struct netxen_adapter *adapter;
         int pci_func;
@@ -813,17 +864,17 @@ struct netxen_adapter_stats {
  * Rcv Descriptor Context. One such per Rcv Descriptor. There may
  * be one Rcv Descriptor for normal packets, one for jumbo and may be others.
  */
-struct netxen_rcv_desc_ctx {
+struct nx_host_rds_ring {
         u32 flags;
         u32 producer;
-        u32 rcv_pending;        /* Num of bufs posted in phantom */
         dma_addr_t phys_addr;
-        struct pci_dev *phys_pdev;
+        u32 crb_rcv_producer;   /* reg offset */
         struct rcv_desc *desc_head;     /* address of rx ring in Phantom */
         u32 max_rx_desc_count;
         u32 dma_size;
         u32 skb_size;
         struct netxen_rx_buffer *rx_buf_arr;    /* rx buffers for receive   */
+        struct list_head free_list;
         int begin_alloc;
 };
 
@@ -834,17 +885,319 @@ struct netxen_rcv_desc_ctx {
  * present elsewhere.
  */
 struct netxen_recv_context {
-        struct netxen_rcv_desc_ctx rcv_desc[NUM_RCV_DESC_RINGS];
-        u32 status_rx_producer;
+        u32 state;
+        u16 context_id;
+        u16 virt_port;
+
+        struct nx_host_rds_ring rds_rings[NUM_RCV_DESC_RINGS];
         u32 status_rx_consumer;
+        u32 crb_sts_consumer;   /* reg offset */
         dma_addr_t rcv_status_desc_phys_addr;
-        struct pci_dev *rcv_status_desc_pdev;
         struct status_desc *rcv_status_desc_head;
 };
 
-#define NETXEN_NIC_MSI_ENABLED 0x02
-#define NETXEN_DMA_MASK 0xfffffffe
-#define NETXEN_DB_MAPSIZE_BYTES    0x1000
+/* New HW context creation */
+
+#define NX_OS_CRB_RETRY_COUNT   4000
+#define NX_CDRP_SIGNATURE_MAKE(pcifn, version) \
+        (((pcifn) & 0xff) | (((version) & 0xff) << 8) | (0xcafe << 16))
+
+#define NX_CDRP_CLEAR           0x00000000
+#define NX_CDRP_CMD_BIT         0x80000000
+
+/*
+ * All responses must have the NX_CDRP_CMD_BIT cleared
+ * in the crb NX_CDRP_CRB_OFFSET.
+ */
+#define NX_CDRP_FORM_RSP(rsp)   (rsp)
+#define NX_CDRP_IS_RSP(rsp)     (((rsp) & NX_CDRP_CMD_BIT) == 0)
+
+#define NX_CDRP_RSP_OK          0x00000001
+#define NX_CDRP_RSP_FAIL        0x00000002
+#define NX_CDRP_RSP_TIMEOUT     0x00000003
+
+/*
+ * All commands must have the NX_CDRP_CMD_BIT set in
+ * the crb NX_CDRP_CRB_OFFSET.
+ */
+#define NX_CDRP_FORM_CMD(cmd)   (NX_CDRP_CMD_BIT | (cmd))
+#define NX_CDRP_IS_CMD(cmd)     (((cmd) & NX_CDRP_CMD_BIT) != 0)
+
+#define NX_CDRP_CMD_SUBMIT_CAPABILITIES     0x00000001
+#define NX_CDRP_CMD_READ_MAX_RDS_PER_CTX    0x00000002
+#define NX_CDRP_CMD_READ_MAX_SDS_PER_CTX    0x00000003
+#define NX_CDRP_CMD_READ_MAX_RULES_PER_CTX  0x00000004
+#define NX_CDRP_CMD_READ_MAX_RX_CTX         0x00000005
+#define NX_CDRP_CMD_READ_MAX_TX_CTX         0x00000006
+#define NX_CDRP_CMD_CREATE_RX_CTX           0x00000007
+#define NX_CDRP_CMD_DESTROY_RX_CTX          0x00000008
+#define NX_CDRP_CMD_CREATE_TX_CTX           0x00000009
+#define NX_CDRP_CMD_DESTROY_TX_CTX          0x0000000a
+#define NX_CDRP_CMD_SETUP_STATISTICS        0x0000000e
+#define NX_CDRP_CMD_GET_STATISTICS          0x0000000f
+#define NX_CDRP_CMD_DELETE_STATISTICS       0x00000010
+#define NX_CDRP_CMD_SET_MTU                 0x00000012
+#define NX_CDRP_CMD_MAX                     0x00000013
+
+#define NX_RCODE_SUCCESS                0
+#define NX_RCODE_NO_HOST_MEM            1
+#define NX_RCODE_NO_HOST_RESOURCE       2
+#define NX_RCODE_NO_CARD_CRB            3
+#define NX_RCODE_NO_CARD_MEM            4
+#define NX_RCODE_NO_CARD_RESOURCE       5
+#define NX_RCODE_INVALID_ARGS           6
+#define NX_RCODE_INVALID_ACTION         7
+#define NX_RCODE_INVALID_STATE          8
+#define NX_RCODE_NOT_SUPPORTED          9
+#define NX_RCODE_NOT_PERMITTED          10
+#define NX_RCODE_NOT_READY              11
+#define NX_RCODE_DOES_NOT_EXIST         12
+#define NX_RCODE_ALREADY_EXISTS         13
+#define NX_RCODE_BAD_SIGNATURE          14
+#define NX_RCODE_CMD_NOT_IMPL           15
+#define NX_RCODE_CMD_INVALID            16
+#define NX_RCODE_TIMEOUT                17
+#define NX_RCODE_CMD_FAILED             18
+#define NX_RCODE_MAX_EXCEEDED           19
+#define NX_RCODE_MAX                    20
+
+#define NX_DESTROY_CTX_RESET            0
+#define NX_DESTROY_CTX_D3_RESET         1
+#define NX_DESTROY_CTX_MAX              2
+
+/*
+ * Capabilities
+ */
+#define NX_CAP_BIT(class, bit)          (1 << bit)
+#define NX_CAP0_LEGACY_CONTEXT          NX_CAP_BIT(0, 0)
+#define NX_CAP0_MULTI_CONTEXT           NX_CAP_BIT(0, 1)
+#define NX_CAP0_LEGACY_MN               NX_CAP_BIT(0, 2)
+#define NX_CAP0_LEGACY_MS               NX_CAP_BIT(0, 3)
+#define NX_CAP0_CUT_THROUGH             NX_CAP_BIT(0, 4)
+#define NX_CAP0_LRO                     NX_CAP_BIT(0, 5)
+#define NX_CAP0_LSO                     NX_CAP_BIT(0, 6)
+#define NX_CAP0_JUMBO_CONTIGUOUS        NX_CAP_BIT(0, 7)
+#define NX_CAP0_LRO_CONTIGUOUS          NX_CAP_BIT(0, 8)
+
+/*
+ * Context state
+ */
+#define NX_HOST_CTX_STATE_FREED         0
+#define NX_HOST_CTX_STATE_ALLOCATED     1
+#define NX_HOST_CTX_STATE_ACTIVE        2
+#define NX_HOST_CTX_STATE_DISABLED      3
+#define NX_HOST_CTX_STATE_QUIESCED      4
+#define NX_HOST_CTX_STATE_MAX           5
+
+/*
+ * Rx context
+ */
+
+typedef struct {
+        u64 host_phys_addr;     /* Ring base addr */
+        u32 ring_size;          /* Ring entries */
+        u16 msi_index;
+        u16 rsvd;               /* Padding */
+} nx_hostrq_sds_ring_t;
+
+typedef struct {
+        u64 host_phys_addr;     /* Ring base addr */
+        u64 buff_size;          /* Packet buffer size */
+        u32 ring_size;          /* Ring entries */
+        u32 ring_kind;          /* Class of ring */
+} nx_hostrq_rds_ring_t;
+
+typedef struct {
+        u64 host_rsp_dma_addr;  /* Response dma'd here */
+        u32 capabilities[4];    /* Flag bit vector */
+        u32 host_int_crb_mode;  /* Interrupt crb usage */
+        u32 host_rds_crb_mode;  /* RDS crb usage */
+        /* These ring offsets are relative to data[0] below */
+        u32 rds_ring_offset;    /* Offset to RDS config */
+        u32 sds_ring_offset;    /* Offset to SDS config */
+        u16 num_rds_rings;      /* Count of RDS rings */
+        u16 num_sds_rings;      /* Count of SDS rings */
+        u16 rsvd1;              /* Padding */
+        u16 rsvd2;              /* Padding */
+        u8  reserved[128];      /* reserve space for future expansion*/
+        /* MUST BE 64-bit aligned.
+           The following is packed:
+           - N hostrq_rds_rings
+           - N hostrq_sds_rings */
+        char data[0];
+} nx_hostrq_rx_ctx_t;
+
+typedef struct {
+        u32 host_producer_crb;  /* Crb to use */
+        u32 rsvd1;              /* Padding */
+} nx_cardrsp_rds_ring_t;
+
+typedef struct {
+        u32 host_consumer_crb;  /* Crb to use */
+        u32 interrupt_crb;      /* Crb to use */
+} nx_cardrsp_sds_ring_t;
+
+typedef struct {
+        /* These ring offsets are relative to data[0] below */
+        u32 rds_ring_offset;    /* Offset to RDS config */
+        u32 sds_ring_offset;    /* Offset to SDS config */
+        u32 host_ctx_state;     /* Starting State */
+        u32 num_fn_per_port;    /* How many PCI fn share the port */
+        u16 num_rds_rings;      /* Count of RDS rings */
+        u16 num_sds_rings;      /* Count of SDS rings */
+        u16 context_id;         /* Handle for context */
+        u8  phys_port;          /* Physical id of port */
+        u8  virt_port;          /* Virtual/Logical id of port */
+        u8  reserved[128];      /* save space for future expansion */
+        /*  MUST BE 64-bit aligned.
+           The following is packed:
+           - N cardrsp_rds_rings
+           - N cardrs_sds_rings */
+        char data[0];
+} nx_cardrsp_rx_ctx_t;
+
+#define SIZEOF_HOSTRQ_RX(HOSTRQ_RX, rds_rings, sds_rings)       \
+        (sizeof(HOSTRQ_RX) +                                    \
+        (rds_rings)*(sizeof(nx_hostrq_rds_ring_t)) +            \
+        (sds_rings)*(sizeof(nx_hostrq_sds_ring_t)))
+
+#define SIZEOF_CARDRSP_RX(CARDRSP_RX, rds_rings, sds_rings)     \
+        (sizeof(CARDRSP_RX) +                                   \
+        (rds_rings)*(sizeof(nx_cardrsp_rds_ring_t)) +           \
+        (sds_rings)*(sizeof(nx_cardrsp_sds_ring_t)))
+
+/*
+ * Tx context
+ */
+
+typedef struct {
+        u64 host_phys_addr;     /* Ring base addr */
+        u32 ring_size;          /* Ring entries */
+        u32 rsvd;               /* Padding */
+} nx_hostrq_cds_ring_t;
+
+typedef struct {
+        u64 host_rsp_dma_addr;  /* Response dma'd here */
+        u64 cmd_cons_dma_addr;  /*  */
+        u64 dummy_dma_addr;     /*  */
+        u32 capabilities[4];    /* Flag bit vector */
+        u32 host_int_crb_mode;  /* Interrupt crb usage */
+        u32 rsvd1;              /* Padding */
+        u16 rsvd2;              /* Padding */
+        u16 interrupt_ctl;
+        u16 msi_index;
+        u16 rsvd3;              /* Padding */
+        nx_hostrq_cds_ring_t cds_ring;  /* Desc of cds ring */
+        u8  reserved[128];      /* future expansion */
+} nx_hostrq_tx_ctx_t;
+
+typedef struct {
+        u32 host_producer_crb;  /* Crb to use */
+        u32 interrupt_crb;      /* Crb to use */
+} nx_cardrsp_cds_ring_t;
+
+typedef struct {
+        u32 host_ctx_state;     /* Starting state */
+        u16 context_id;         /* Handle for context */
+        u8  phys_port;          /* Physical id of port */
+        u8  virt_port;          /* Virtual/Logical id of port */
+        nx_cardrsp_cds_ring_t cds_ring; /* Card cds settings */
+        u8  reserved[128];      /* future expansion */
+} nx_cardrsp_tx_ctx_t;
+
+#define SIZEOF_HOSTRQ_TX(HOSTRQ_TX)     (sizeof(HOSTRQ_TX))
+#define SIZEOF_CARDRSP_TX(CARDRSP_TX)   (sizeof(CARDRSP_TX))
+
+/* CRB */
+
+#define NX_HOST_RDS_CRB_MODE_UNIQUE     0
+#define NX_HOST_RDS_CRB_MODE_SHARED     1
+#define NX_HOST_RDS_CRB_MODE_CUSTOM     2
+#define NX_HOST_RDS_CRB_MODE_MAX        3
+
+#define NX_HOST_INT_CRB_MODE_UNIQUE     0
+#define NX_HOST_INT_CRB_MODE_SHARED     1
+#define NX_HOST_INT_CRB_MODE_NORX       2
+#define NX_HOST_INT_CRB_MODE_NOTX       3
+#define NX_HOST_INT_CRB_MODE_NORXTX     4
+
+
+/* MAC */
+
+#define MC_COUNT_P2     16
+#define MC_COUNT_P3     38
+
+#define NETXEN_MAC_NOOP 0
+#define NETXEN_MAC_ADD  1
+#define NETXEN_MAC_DEL  2
+
+typedef struct nx_mac_list_s {
+        struct nx_mac_list_s *next;
+        uint8_t mac_addr[MAX_ADDR_LEN];
+} nx_mac_list_t;
+
+/*
+ * Interrupt coalescing defaults. The defaults are for 1500 MTU. It is
+ * adjusted based on configured MTU.
+ */
+#define NETXEN_DEFAULT_INTR_COALESCE_RX_TIME_US 3
+#define NETXEN_DEFAULT_INTR_COALESCE_RX_PACKETS 256
+#define NETXEN_DEFAULT_INTR_COALESCE_TX_PACKETS 64
+#define NETXEN_DEFAULT_INTR_COALESCE_TX_TIME_US 4
+
+#define NETXEN_NIC_INTR_DEFAULT                 0x04
+
+typedef union {
+        struct {
+                uint16_t        rx_packets;
+                uint16_t        rx_time_us;
+                uint16_t        tx_packets;
+                uint16_t        tx_time_us;
+        } data;
+        uint64_t                word;
+} nx_nic_intr_coalesce_data_t;
+
+typedef struct {
+        uint16_t                        stats_time_us;
+        uint16_t                        rate_sample_time;
+        uint16_t                        flags;
+        uint16_t                        rsvd_1;
+        uint32_t                        low_threshold;
+        uint32_t                        high_threshold;
+        nx_nic_intr_coalesce_data_t     normal;
+        nx_nic_intr_coalesce_data_t     low;
+        nx_nic_intr_coalesce_data_t     high;
+        nx_nic_intr_coalesce_data_t     irq;
+} nx_nic_intr_coalesce_t;
+
+typedef struct {
+        u64 qhdr;
+        u64 req_hdr;
+        u64 words[6];
+} nx_nic_req_t;
+
+typedef struct {
+        u8 op;
+        u8 tag;
+        u8 mac_addr[6];
+} nx_mac_req_t;
+
+#define MAX_PENDING_DESC_BLOCK_SIZE     64
+
+#define NETXEN_NIC_MSI_ENABLED          0x02
+#define NETXEN_NIC_MSIX_ENABLED         0x04
+#define NETXEN_IS_MSI_FAMILY(adapter) \
+        ((adapter)->flags & (NETXEN_NIC_MSI_ENABLED | NETXEN_NIC_MSIX_ENABLED))
+
+#define MSIX_ENTRIES_PER_ADAPTER        8
+#define NETXEN_MSIX_TBL_SPACE           8192
+#define NETXEN_PCI_REG_MSIX_TBL         0x44
+
+#define NETXEN_DB_MAPSIZE_BYTES         0x1000
+
+#define NETXEN_NETDEV_WEIGHT 120
+#define NETXEN_ADAPTER_UP_MAGIC 777
+#define NETXEN_NIC_PEG_TUNE 0
 
 struct netxen_dummy_dma {
         void *addr;
@@ -854,46 +1207,65 @@ struct netxen_dummy_dma {
 struct netxen_adapter {
         struct netxen_hardware_context ahw;
 
-        struct netxen_adapter *master;
         struct net_device *netdev;
         struct pci_dev *pdev;
+        int pci_using_dac;
         struct napi_struct napi;
         struct net_device_stats net_stats;
-        unsigned char mac_addr[ETH_ALEN];
         int mtu;
         int portnum;
         u8 physical_port;
+        u16 tx_context_id;
+
+        uint8_t         mc_enabled;
+        uint8_t         max_mc_count;
+        nx_mac_list_t   *mac_list;
+
+        struct netxen_legacy_intr_set legacy_intr;
+        u32     crb_intr_mask;
 
         struct work_struct watchdog_task;
         struct timer_list watchdog_timer;
         struct work_struct  tx_timeout_task;
 
         u32 curr_window;
+        u32 crb_win;
+        rwlock_t adapter_lock;
+
+        uint64_t dma_mask;
 
         u32 cmd_producer;
         __le32 *cmd_consumer;
         u32 last_cmd_consumer;
+        u32 crb_addr_cmd_producer;
+        u32 crb_addr_cmd_consumer;
 
         u32 max_tx_desc_count;
         u32 max_rx_desc_count;
         u32 max_jumbo_rx_desc_count;
         u32 max_lro_rx_desc_count;
 
+        int max_rds_rings;
+
         u32 flags;
         u32 irq;
         int driver_mismatch;
         u32 temp;
 
+        u32 fw_major;
+
+        u8 msix_supported;
+        u8 max_possible_rss_rings;
+        struct msix_entry msix_entries[MSIX_ENTRIES_PER_ADAPTER];
+
         struct netxen_adapter_stats stats;
 
-        u16 portno;
         u16 link_speed;
         u16 link_duplex;
         u16 state;
         u16 link_autoneg;
         int rx_csum;
         int status;
-        spinlock_t stats_lock;
 
         struct netxen_cmd_buffer *cmd_buf_arr;  /* Command buffers for xmit */
 
@@ -905,25 +1277,33 @@ struct netxen_adapter {
 
         int is_up;
         struct netxen_dummy_dma dummy_dma;
+        nx_nic_intr_coalesce_t coal;
 
         /* Context interface shared between card and host */
         struct netxen_ring_ctx *ctx_desc;
-        struct pci_dev *ctx_desc_pdev;
         dma_addr_t ctx_desc_phys_addr;
         int intr_scheme;
         int msi_mode;
         int (*enable_phy_interrupts) (struct netxen_adapter *);
         int (*disable_phy_interrupts) (struct netxen_adapter *);
-        void (*handle_phy_intr) (struct netxen_adapter *);
         int (*macaddr_set) (struct netxen_adapter *, netxen_ethernet_macaddr_t);
         int (*set_mtu) (struct netxen_adapter *, int);
         int (*set_promisc) (struct netxen_adapter *, netxen_niu_prom_mode_t);
-        int (*unset_promisc) (struct netxen_adapter *, netxen_niu_prom_mode_t);
         int (*phy_read) (struct netxen_adapter *, long reg, u32 *);
         int (*phy_write) (struct netxen_adapter *, long reg, u32 val);
         int (*init_port) (struct netxen_adapter *, int);
-        void (*init_niu) (struct netxen_adapter *);
         int (*stop_port) (struct netxen_adapter *);
+
+        int (*hw_read_wx)(struct netxen_adapter *, ulong, void *, int);
+        int (*hw_write_wx)(struct netxen_adapter *, ulong, void *, int);
+        int (*pci_mem_read)(struct netxen_adapter *, u64, void *, int);
+        int (*pci_mem_write)(struct netxen_adapter *, u64, void *, int);
+        int (*pci_write_immediate)(struct netxen_adapter *, u64, u32);
+        u32 (*pci_read_immediate)(struct netxen_adapter *, u64);
+        void (*pci_write_normalize)(struct netxen_adapter *, u64, u32);
+        u32 (*pci_read_normalize)(struct netxen_adapter *, u64);
+        unsigned long (*pci_set_window)(struct netxen_adapter *,
+                        unsigned long long);
 };                              /* netxen_adapter structure */
 
 /*
@@ -988,8 +1368,6 @@ int netxen_niu_xgbe_enable_phy_interrupts(struct netxen_adapter *adapter);
 int netxen_niu_gbe_enable_phy_interrupts(struct netxen_adapter *adapter);
 int netxen_niu_xgbe_disable_phy_interrupts(struct netxen_adapter *adapter);
 int netxen_niu_gbe_disable_phy_interrupts(struct netxen_adapter *adapter);
-void netxen_nic_xgbe_handle_phy_intr(struct netxen_adapter *adapter);
-void netxen_nic_gbe_handle_phy_intr(struct netxen_adapter *adapter);
 int netxen_niu_gbe_phy_read(struct netxen_adapter *adapter, long reg,
                             __u32 * readval);
 int netxen_niu_gbe_phy_write(struct netxen_adapter *adapter,
@@ -998,27 +1376,61 @@ int netxen_niu_gbe_phy_write(struct netxen_adapter *adapter,
 /* Functions available from netxen_nic_hw.c */
 int netxen_nic_set_mtu_xgb(struct netxen_adapter *adapter, int new_mtu);
 int netxen_nic_set_mtu_gb(struct netxen_adapter *adapter, int new_mtu);
-void netxen_nic_init_niu_gb(struct netxen_adapter *adapter);
-void netxen_nic_pci_change_crbwindow(struct netxen_adapter *adapter, u32 wndw);
 void netxen_nic_reg_write(struct netxen_adapter *adapter, u64 off, u32 val);
 int netxen_nic_reg_read(struct netxen_adapter *adapter, u64 off);
 void netxen_nic_write_w0(struct netxen_adapter *adapter, u32 index, u32 value);
-void netxen_nic_read_w0(struct netxen_adapter *adapter, u32 index, u32 * value);
+void netxen_nic_read_w0(struct netxen_adapter *adapter, u32 index, u32 *value);
+void netxen_nic_write_w1(struct netxen_adapter *adapter, u32 index, u32 value);
+void netxen_nic_read_w1(struct netxen_adapter *adapter, u32 index, u32 *value);
 
 int netxen_nic_get_board_info(struct netxen_adapter *adapter);
-int netxen_nic_hw_read_wx(struct netxen_adapter *adapter, u64 off, void *data,
-                          int len);
-int netxen_nic_hw_write_wx(struct netxen_adapter *adapter, u64 off, void *data,
-                           int len);
+
+int netxen_nic_hw_read_wx_128M(struct netxen_adapter *adapter,
+                ulong off, void *data, int len);
+int netxen_nic_hw_write_wx_128M(struct netxen_adapter *adapter,
+                ulong off, void *data, int len);
+int netxen_nic_pci_mem_read_128M(struct netxen_adapter *adapter,
+                u64 off, void *data, int size);
+int netxen_nic_pci_mem_write_128M(struct netxen_adapter *adapter,
+                u64 off, void *data, int size);
+int netxen_nic_pci_write_immediate_128M(struct netxen_adapter *adapter,
+                u64 off, u32 data);
+u32 netxen_nic_pci_read_immediate_128M(struct netxen_adapter *adapter, u64 off);
+void netxen_nic_pci_write_normalize_128M(struct netxen_adapter *adapter,
+                u64 off, u32 data);
+u32 netxen_nic_pci_read_normalize_128M(struct netxen_adapter *adapter, u64 off);
+unsigned long netxen_nic_pci_set_window_128M(struct netxen_adapter *adapter,
+                unsigned long long addr);
+void netxen_nic_pci_change_crbwindow_128M(struct netxen_adapter *adapter,
+                u32 wndw);
+
+int netxen_nic_hw_read_wx_2M(struct netxen_adapter *adapter,
+                ulong off, void *data, int len);
+int netxen_nic_hw_write_wx_2M(struct netxen_adapter *adapter,
+                ulong off, void *data, int len);
+int netxen_nic_pci_mem_read_2M(struct netxen_adapter *adapter,
+                u64 off, void *data, int size);
+int netxen_nic_pci_mem_write_2M(struct netxen_adapter *adapter,
+                u64 off, void *data, int size);
 void netxen_crb_writelit_adapter(struct netxen_adapter *adapter,
                                  unsigned long off, int data);
+int netxen_nic_pci_write_immediate_2M(struct netxen_adapter *adapter,
+                u64 off, u32 data);
+u32 netxen_nic_pci_read_immediate_2M(struct netxen_adapter *adapter, u64 off);
+void netxen_nic_pci_write_normalize_2M(struct netxen_adapter *adapter,
+                u64 off, u32 data);
+u32 netxen_nic_pci_read_normalize_2M(struct netxen_adapter *adapter, u64 off);
+unsigned long netxen_nic_pci_set_window_2M(struct netxen_adapter *adapter,
+                unsigned long long addr);
 
 /* Functions from netxen_nic_init.c */
 void netxen_free_adapter_offload(struct netxen_adapter *adapter);
 int netxen_initialize_adapter_offload(struct netxen_adapter *adapter);
 int netxen_phantom_init(struct netxen_adapter *adapter, int pegtune_val);
+int netxen_receive_peg_ready(struct netxen_adapter *adapter);
 int netxen_load_firmware(struct netxen_adapter *adapter);
 int netxen_pinit_from_rom(struct netxen_adapter *adapter, int verbose);
+
 int netxen_rom_fast_read(struct netxen_adapter *adapter, int addr, int *valp);
 int netxen_rom_fast_read_words(struct netxen_adapter *adapter, int addr,
                                 u8 *bytes, size_t size);
@@ -1032,33 +1444,43 @@ void netxen_halt_pegs(struct netxen_adapter *adapter);
 
 int netxen_rom_se(struct netxen_adapter *adapter, int addr);
 
-/* Functions from netxen_nic_isr.c */
-void netxen_initialize_adapter_sw(struct netxen_adapter *adapter);
-void *netxen_alloc(struct pci_dev *pdev, size_t sz, dma_addr_t * ptr,
-                   struct pci_dev **used_dev);
+int netxen_alloc_sw_resources(struct netxen_adapter *adapter);
+void netxen_free_sw_resources(struct netxen_adapter *adapter);
+
+int netxen_alloc_hw_resources(struct netxen_adapter *adapter);
+void netxen_free_hw_resources(struct netxen_adapter *adapter);
+
+void netxen_release_rx_buffers(struct netxen_adapter *adapter);
+void netxen_release_tx_buffers(struct netxen_adapter *adapter);
+
 void netxen_initialize_adapter_ops(struct netxen_adapter *adapter);
 int netxen_init_firmware(struct netxen_adapter *adapter);
-void netxen_free_hw_resources(struct netxen_adapter *adapter);
 void netxen_tso_check(struct netxen_adapter *adapter,
                       struct cmd_desc_type0 *desc, struct sk_buff *skb);
-int netxen_nic_hw_resources(struct netxen_adapter *adapter);
 void netxen_nic_clear_stats(struct netxen_adapter *adapter);
 void netxen_watchdog_task(struct work_struct *work);
 void netxen_post_rx_buffers(struct netxen_adapter *adapter, u32 ctx,
                             u32 ringid);
 int netxen_process_cmd_ring(struct netxen_adapter *adapter);
 u32 netxen_process_rcv_ring(struct netxen_adapter *adapter, int ctx, int max);
-void netxen_nic_set_multi(struct net_device *netdev);
+void netxen_p2_nic_set_multi(struct net_device *netdev);
+void netxen_p3_nic_set_multi(struct net_device *netdev);
+int netxen_config_intr_coalesce(struct netxen_adapter *adapter);
+
+u32 nx_fw_cmd_set_mtu(struct netxen_adapter *adapter, u32 mtu);
 int netxen_nic_change_mtu(struct net_device *netdev, int new_mtu);
+
 int netxen_nic_set_mac(struct net_device *netdev, void *p);
 struct net_device_stats *netxen_nic_get_stats(struct net_device *netdev);
 
+void netxen_nic_update_cmd_producer(struct netxen_adapter *adapter,
+                uint32_t crb_producer);
 
 /*
  * NetXen Board information
  */
 
-#define NETXEN_MAX_SHORT_NAME 16
+#define NETXEN_MAX_SHORT_NAME 32
 struct netxen_brdinfo {
         netxen_brdtype_t brdtype;       /* type of board */
         long ports;             /* max no of physical ports */
@@ -1072,6 +1494,17 @@ static const struct netxen_brdinfo netxen_boards[] = {
         {NETXEN_BRDTYPE_P2_SB31_10G, 1, "XGb XFP"},
         {NETXEN_BRDTYPE_P2_SB35_4G, 4, "Quad Gb"},
         {NETXEN_BRDTYPE_P2_SB31_2G, 2, "Dual Gb"},
+        {NETXEN_BRDTYPE_P3_REF_QG,  4, "Reference Quad Gig "},
+        {NETXEN_BRDTYPE_P3_HMEZ,    2, "Dual XGb HMEZ"},
+        {NETXEN_BRDTYPE_P3_10G_CX4_LP,   2, "Dual XGb CX4 LP"},
+        {NETXEN_BRDTYPE_P3_4_GB,    4, "Quad Gig LP"},
+        {NETXEN_BRDTYPE_P3_IMEZ,    2, "Dual XGb IMEZ"},
+        {NETXEN_BRDTYPE_P3_10G_SFP_PLUS, 2, "Dual XGb SFP+ LP"},
+        {NETXEN_BRDTYPE_P3_10000_BASE_T, 1, "XGB 10G BaseT LP"},
+        {NETXEN_BRDTYPE_P3_XG_LOM,  2, "Dual XGb LOM"},
+        {NETXEN_BRDTYPE_P3_4_GB_MM, 4, "Quad GB - March Madness"},
+        {NETXEN_BRDTYPE_P3_10G_CX4, 2, "Reference Dual CX4 Option"},
+        {NETXEN_BRDTYPE_P3_10G_XFP, 1, "Reference Single XFP Option"}
 };
 
 #define NUM_SUPPORTED_BOARDS ARRAY_SIZE(netxen_boards)
@@ -1097,7 +1530,7 @@ dma_watchdog_shutdown_request(struct netxen_adapter *adapter)
         u32 ctrl;
 
         /* check if already inactive */
-        if (netxen_nic_hw_read_wx(adapter,
+        if (adapter->hw_read_wx(adapter,
             NETXEN_CAM_RAM(NETXEN_CAM_RAM_DMA_WATCHDOG_CTRL), &ctrl, 4))
                 printk(KERN_ERR "failed to read dma watchdog status\n");
 
@@ -1117,7 +1550,7 @@ dma_watchdog_shutdown_poll_result(struct netxen_adapter *adapter)
 {
         u32 ctrl;
 
-        if (netxen_nic_hw_read_wx(adapter,
+        if (adapter->hw_read_wx(adapter,
             NETXEN_CAM_RAM(NETXEN_CAM_RAM_DMA_WATCHDOG_CTRL), &ctrl, 4))
                 printk(KERN_ERR "failed to read dma watchdog status\n");
 
@@ -1129,7 +1562,7 @@ dma_watchdog_wakeup(struct netxen_adapter *adapter)
 {
         u32 ctrl;
 
-        if (netxen_nic_hw_read_wx(adapter,
+        if (adapter->hw_read_wx(adapter,
                 NETXEN_CAM_RAM(NETXEN_CAM_RAM_DMA_WATCHDOG_CTRL), &ctrl, 4))
                 printk(KERN_ERR "failed to read dma watchdog status\n");
 
diff --git a/drivers/net/netxen/netxen_nic_ctx.c b/drivers/net/netxen/netxen_nic_ctx.c
new file mode 100644
index 000000000000..64babc59e699
--- /dev/null
+++ b/drivers/net/netxen/netxen_nic_ctx.c
@@ -0,0 +1,710 @@
+/*
+ * Copyright (C) 2003 - 2008 NetXen, Inc.
+ * All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston,
+ * MA  02111-1307, USA.
+ *
+ * The full GNU General Public License is included in this distribution
+ * in the file called LICENSE.
+ *
+ * Contact Information:
+ *    info@netxen.com
+ * NetXen,
+ * 3965 Freedom Circle, Fourth floor,
+ * Santa Clara, CA 95054
+ *
+ */
+
+#include "netxen_nic_hw.h"
+#include "netxen_nic.h"
+#include "netxen_nic_phan_reg.h"
+
+#define NXHAL_VERSION   1
+
+static int
+netxen_api_lock(struct netxen_adapter *adapter)
+{
+        u32 done = 0, timeout = 0;
+
+        for (;;) {
+                /* Acquire PCIE HW semaphore5 */
+                netxen_nic_read_w0(adapter,
+                        NETXEN_PCIE_REG(PCIE_SEM5_LOCK), &done);
+
+                if (done == 1)
+                        break;
+
+                if (++timeout >= NX_OS_CRB_RETRY_COUNT) {
+                        printk(KERN_ERR "%s: lock timeout.\n", __func__);
+                        return -1;
+                }
+
+                msleep(1);
+        }
+
+#if 0
+        netxen_nic_write_w1(adapter,
+                NETXEN_API_LOCK_ID, NX_OS_API_LOCK_DRIVER);
+#endif
+        return 0;
+}
+
+static int
+netxen_api_unlock(struct netxen_adapter *adapter)
+{
+        u32 val;
+
+        /* Release PCIE HW semaphore5 */
+        netxen_nic_read_w0(adapter,
+                NETXEN_PCIE_REG(PCIE_SEM5_UNLOCK), &val);
+        return 0;
+}
+
+static u32
+netxen_poll_rsp(struct netxen_adapter *adapter)
+{
+        u32 raw_rsp, rsp = NX_CDRP_RSP_OK;
+        int     timeout = 0;
+
+        do {
+                /* give atleast 1ms for firmware to respond */
+                msleep(1);
+
+                if (++timeout > NX_OS_CRB_RETRY_COUNT)
+                        return NX_CDRP_RSP_TIMEOUT;
+
+                netxen_nic_read_w1(adapter, NX_CDRP_CRB_OFFSET,
+                                &raw_rsp);
+
+                rsp = le32_to_cpu(raw_rsp);
+        } while (!NX_CDRP_IS_RSP(rsp));
+
+        return rsp;
+}
+
+static u32
+netxen_issue_cmd(struct netxen_adapter *adapter,
+        u32 pci_fn, u32 version, u32 arg1, u32 arg2, u32 arg3, u32 cmd)
+{
+        u32 rsp;
+        u32 signature = 0;
+        u32 rcode = NX_RCODE_SUCCESS;
+
+        signature = NX_CDRP_SIGNATURE_MAKE(pci_fn, version);
+
+        /* Acquire semaphore before accessing CRB */
+        if (netxen_api_lock(adapter))
+                return NX_RCODE_TIMEOUT;
+
+        netxen_nic_write_w1(adapter, NX_SIGN_CRB_OFFSET,
+                        cpu_to_le32(signature));
+
+        netxen_nic_write_w1(adapter, NX_ARG1_CRB_OFFSET,
+                        cpu_to_le32(arg1));
+
+        netxen_nic_write_w1(adapter, NX_ARG2_CRB_OFFSET,
+                        cpu_to_le32(arg2));
+
+        netxen_nic_write_w1(adapter, NX_ARG3_CRB_OFFSET,
+                        cpu_to_le32(arg3));
+
+        netxen_nic_write_w1(adapter, NX_CDRP_CRB_OFFSET,
+                        cpu_to_le32(NX_CDRP_FORM_CMD(cmd)));
+
+        rsp = netxen_poll_rsp(adapter);
+
+        if (rsp == NX_CDRP_RSP_TIMEOUT) {
+                printk(KERN_ERR "%s: card response timeout.\n",
+                                netxen_nic_driver_name);
+
+                rcode = NX_RCODE_TIMEOUT;
+        } else if (rsp == NX_CDRP_RSP_FAIL) {
+                netxen_nic_read_w1(adapter, NX_ARG1_CRB_OFFSET, &rcode);
+                rcode = le32_to_cpu(rcode);
+
+                printk(KERN_ERR "%s: failed card response code:0x%x\n",
+                                netxen_nic_driver_name, rcode);
+        }
+
+        /* Release semaphore */
+        netxen_api_unlock(adapter);
+
+        return rcode;
+}
+
+u32
+nx_fw_cmd_set_mtu(struct netxen_adapter *adapter, u32 mtu)
+{
+        u32 rcode = NX_RCODE_SUCCESS;
+        struct netxen_recv_context *recv_ctx = &adapter->recv_ctx[0];
+
+        if (recv_ctx->state == NX_HOST_CTX_STATE_ACTIVE)
+                rcode = netxen_issue_cmd(adapter,
+                                adapter->ahw.pci_func,
+                                NXHAL_VERSION,
+                                recv_ctx->context_id,
+                                mtu,
+                                0,
+                                NX_CDRP_CMD_SET_MTU);
+
+        return rcode;
+}
+
+static int
+nx_fw_cmd_create_rx_ctx(struct netxen_adapter *adapter)
+{
+        void *addr;
+        nx_hostrq_rx_ctx_t *prq;
+        nx_cardrsp_rx_ctx_t *prsp;
+        nx_hostrq_rds_ring_t *prq_rds;
+        nx_hostrq_sds_ring_t *prq_sds;
+        nx_cardrsp_rds_ring_t *prsp_rds;
+        nx_cardrsp_sds_ring_t *prsp_sds;
+        struct nx_host_rds_ring *rds_ring;
+
+        dma_addr_t hostrq_phys_addr, cardrsp_phys_addr;
+        u64 phys_addr;
+
+        int i, nrds_rings, nsds_rings;
+        size_t rq_size, rsp_size;
+        u32 cap, reg;
+
+        int err;
+
+        struct netxen_recv_context *recv_ctx = &adapter->recv_ctx[0];
+
+        /* only one sds ring for now */
+        nrds_rings = adapter->max_rds_rings;
+        nsds_rings = 1;
+
+        rq_size =
+                SIZEOF_HOSTRQ_RX(nx_hostrq_rx_ctx_t, nrds_rings, nsds_rings);
+        rsp_size =
+                SIZEOF_CARDRSP_RX(nx_cardrsp_rx_ctx_t, nrds_rings, nsds_rings);
+
+        addr = pci_alloc_consistent(adapter->pdev,
+                                rq_size, &hostrq_phys_addr);
+        if (addr == NULL)
+                return -ENOMEM;
+        prq = (nx_hostrq_rx_ctx_t *)addr;
+
+        addr = pci_alloc_consistent(adapter->pdev,
+                        rsp_size, &cardrsp_phys_addr);
+        if (addr == NULL) {
+                err = -ENOMEM;
+                goto out_free_rq;
+        }
+        prsp = (nx_cardrsp_rx_ctx_t *)addr;
+
+        prq->host_rsp_dma_addr = cpu_to_le64(cardrsp_phys_addr);
+
+        cap = (NX_CAP0_LEGACY_CONTEXT | NX_CAP0_LEGACY_MN);
+        cap |= (NX_CAP0_JUMBO_CONTIGUOUS | NX_CAP0_LRO_CONTIGUOUS);
+
+        prq->capabilities[0] = cpu_to_le32(cap);
+        prq->host_int_crb_mode =
+                cpu_to_le32(NX_HOST_INT_CRB_MODE_SHARED);
+        prq->host_rds_crb_mode =
+                cpu_to_le32(NX_HOST_RDS_CRB_MODE_UNIQUE);
+
+        prq->num_rds_rings = cpu_to_le16(nrds_rings);
+        prq->num_sds_rings = cpu_to_le16(nsds_rings);
+        prq->rds_ring_offset = 0;
+        prq->sds_ring_offset = prq->rds_ring_offset +
+                (sizeof(nx_hostrq_rds_ring_t) * nrds_rings);
+
+        prq_rds = (nx_hostrq_rds_ring_t *)(prq->data + prq->rds_ring_offset);
+
+        for (i = 0; i < nrds_rings; i++) {
+
+                rds_ring = &recv_ctx->rds_rings[i];
+
+                prq_rds[i].host_phys_addr = cpu_to_le64(rds_ring->phys_addr);
+                prq_rds[i].ring_size = cpu_to_le32(rds_ring->max_rx_desc_count);
+                prq_rds[i].ring_kind = cpu_to_le32(i);
+                prq_rds[i].buff_size = cpu_to_le64(rds_ring->dma_size);
+        }
+
+        prq_sds = (nx_hostrq_sds_ring_t *)(prq->data + prq->sds_ring_offset);
+
+        prq_sds[0].host_phys_addr =
+                cpu_to_le64(recv_ctx->rcv_status_desc_phys_addr);
+        prq_sds[0].ring_size = cpu_to_le32(adapter->max_rx_desc_count);
+        /* only one msix vector for now */
+        prq_sds[0].msi_index = cpu_to_le32(0);
+
+        /* now byteswap offsets */
+        prq->rds_ring_offset = cpu_to_le32(prq->rds_ring_offset);
+        prq->sds_ring_offset = cpu_to_le32(prq->sds_ring_offset);
+
+        phys_addr = hostrq_phys_addr;
+        err = netxen_issue_cmd(adapter,
+                        adapter->ahw.pci_func,
+                        NXHAL_VERSION,
+                        (u32)(phys_addr >> 32),
+                        (u32)(phys_addr & 0xffffffff),
+                        rq_size,
+                        NX_CDRP_CMD_CREATE_RX_CTX);
+        if (err) {
+                printk(KERN_WARNING
+                        "Failed to create rx ctx in firmware%d\n", err);
+                goto out_free_rsp;
+        }
+
+
+        prsp_rds = ((nx_cardrsp_rds_ring_t *)
+                         &prsp->data[prsp->rds_ring_offset]);
+
+        for (i = 0; i < le32_to_cpu(prsp->num_rds_rings); i++) {
+                rds_ring = &recv_ctx->rds_rings[i];
+
+                reg = le32_to_cpu(prsp_rds[i].host_producer_crb);
+                rds_ring->crb_rcv_producer = NETXEN_NIC_REG(reg - 0x200);
+        }
+
+        prsp_sds = ((nx_cardrsp_sds_ring_t *)
+                        &prsp->data[prsp->sds_ring_offset]);
+        reg = le32_to_cpu(prsp_sds[0].host_consumer_crb);
+        recv_ctx->crb_sts_consumer = NETXEN_NIC_REG(reg - 0x200);
+
+        reg = le32_to_cpu(prsp_sds[0].interrupt_crb);
+        adapter->crb_intr_mask = NETXEN_NIC_REG(reg - 0x200);
+
+        recv_ctx->state = le32_to_cpu(prsp->host_ctx_state);
+        recv_ctx->context_id = le16_to_cpu(prsp->context_id);
+        recv_ctx->virt_port = le16_to_cpu(prsp->virt_port);
+
+out_free_rsp:
+        pci_free_consistent(adapter->pdev, rsp_size, prsp, cardrsp_phys_addr);
+out_free_rq:
+        pci_free_consistent(adapter->pdev, rq_size, prq, hostrq_phys_addr);
+        return err;
+}
+
+static void
+nx_fw_cmd_destroy_rx_ctx(struct netxen_adapter *adapter)
+{
+        struct netxen_recv_context *recv_ctx = &adapter->recv_ctx[0];
+
+        if (netxen_issue_cmd(adapter,
+                        adapter->ahw.pci_func,
+                        NXHAL_VERSION,
+                        recv_ctx->context_id,
+                        NX_DESTROY_CTX_RESET,
+                        0,
+                        NX_CDRP_CMD_DESTROY_RX_CTX)) {
+
+                printk(KERN_WARNING
+                        "%s: Failed to destroy rx ctx in firmware\n",
+                        netxen_nic_driver_name);
+        }
+}
+
+static int
+nx_fw_cmd_create_tx_ctx(struct netxen_adapter *adapter)
+{
+        nx_hostrq_tx_ctx_t      *prq;
+        nx_hostrq_cds_ring_t    *prq_cds;
+        nx_cardrsp_tx_ctx_t     *prsp;
+        void    *rq_addr, *rsp_addr;
+        size_t  rq_size, rsp_size;
+        u32     temp;
+        int     err = 0;
+        u64     offset, phys_addr;
+        dma_addr_t      rq_phys_addr, rsp_phys_addr;
+
+        rq_size = SIZEOF_HOSTRQ_TX(nx_hostrq_tx_ctx_t);
+        rq_addr = pci_alloc_consistent(adapter->pdev,
+                rq_size, &rq_phys_addr);
+        if (!rq_addr)
+                return -ENOMEM;
+
+        rsp_size = SIZEOF_CARDRSP_TX(nx_cardrsp_tx_ctx_t);
+        rsp_addr = pci_alloc_consistent(adapter->pdev,
+                rsp_size, &rsp_phys_addr);
+        if (!rsp_addr) {
+                err = -ENOMEM;
+                goto out_free_rq;
+        }
+
+        memset(rq_addr, 0, rq_size);
+        prq = (nx_hostrq_tx_ctx_t *)rq_addr;
+
+        memset(rsp_addr, 0, rsp_size);
+        prsp = (nx_cardrsp_tx_ctx_t *)rsp_addr;
+
+        prq->host_rsp_dma_addr = cpu_to_le64(rsp_phys_addr);
+
+        temp = (NX_CAP0_LEGACY_CONTEXT | NX_CAP0_LEGACY_MN | NX_CAP0_LSO);
+        prq->capabilities[0] = cpu_to_le32(temp);
+
+        prq->host_int_crb_mode =
+                cpu_to_le32(NX_HOST_INT_CRB_MODE_SHARED);
+
+        prq->interrupt_ctl = 0;
+        prq->msi_index = 0;
+
+        prq->dummy_dma_addr = cpu_to_le64(adapter->dummy_dma.phys_addr);
+
+        offset = adapter->ctx_desc_phys_addr+sizeof(struct netxen_ring_ctx);
+        prq->cmd_cons_dma_addr = cpu_to_le64(offset);
+
+        prq_cds = &prq->cds_ring;
+
+        prq_cds->host_phys_addr =
+                cpu_to_le64(adapter->ahw.cmd_desc_phys_addr);
+
+        prq_cds->ring_size = cpu_to_le32(adapter->max_tx_desc_count);
+
+        phys_addr = rq_phys_addr;
+        err = netxen_issue_cmd(adapter,
+                        adapter->ahw.pci_func,
+                        NXHAL_VERSION,
+                        (u32)(phys_addr >> 32),
+                        ((u32)phys_addr & 0xffffffff),
+                        rq_size,
+                        NX_CDRP_CMD_CREATE_TX_CTX);
+
+        if (err == NX_RCODE_SUCCESS) {
+                temp = le32_to_cpu(prsp->cds_ring.host_producer_crb);
+                adapter->crb_addr_cmd_producer =
+                        NETXEN_NIC_REG(temp - 0x200);
+#if 0
+                adapter->tx_state =
+                        le32_to_cpu(prsp->host_ctx_state);
+#endif
+                adapter->tx_context_id =
+                        le16_to_cpu(prsp->context_id);
+        } else {
+                printk(KERN_WARNING
+                        "Failed to create tx ctx in firmware%d\n", err);
+                err = -EIO;
+        }
+
+        pci_free_consistent(adapter->pdev, rsp_size, rsp_addr, rsp_phys_addr);
+
+out_free_rq:
+        pci_free_consistent(adapter->pdev, rq_size, rq_addr, rq_phys_addr);
+
+        return err;
+}
+
+static void
+nx_fw_cmd_destroy_tx_ctx(struct netxen_adapter *adapter)
+{
+        if (netxen_issue_cmd(adapter,
+                        adapter->ahw.pci_func,
+                        NXHAL_VERSION,
+                        adapter->tx_context_id,
+                        NX_DESTROY_CTX_RESET,
+                        0,
+                        NX_CDRP_CMD_DESTROY_TX_CTX)) {
+
+                printk(KERN_WARNING
+                        "%s: Failed to destroy tx ctx in firmware\n",
+                        netxen_nic_driver_name);
+        }
+}
+
+static u64 ctx_addr_sig_regs[][3] = {
+        {NETXEN_NIC_REG(0x188), NETXEN_NIC_REG(0x18c), NETXEN_NIC_REG(0x1c0)},
+        {NETXEN_NIC_REG(0x190), NETXEN_NIC_REG(0x194), NETXEN_NIC_REG(0x1c4)},
+        {NETXEN_NIC_REG(0x198), NETXEN_NIC_REG(0x19c), NETXEN_NIC_REG(0x1c8)},
+        {NETXEN_NIC_REG(0x1a0), NETXEN_NIC_REG(0x1a4), NETXEN_NIC_REG(0x1cc)}
+};
+
+#define CRB_CTX_ADDR_REG_LO(FUNC_ID)    (ctx_addr_sig_regs[FUNC_ID][0])
+#define CRB_CTX_ADDR_REG_HI(FUNC_ID)    (ctx_addr_sig_regs[FUNC_ID][2])
+#define CRB_CTX_SIGNATURE_REG(FUNC_ID)  (ctx_addr_sig_regs[FUNC_ID][1])
+
+#define lower32(x)      ((u32)((x) & 0xffffffff))
+#define upper32(x)      ((u32)(((u64)(x) >> 32) & 0xffffffff))
+
+static struct netxen_recv_crb recv_crb_registers[] = {
+        /* Instance 0 */
+        {
+                /* crb_rcv_producer: */
+                {
+                        NETXEN_NIC_REG(0x100),
+                        /* Jumbo frames */
+                        NETXEN_NIC_REG(0x110),
+                        /* LRO */
+                        NETXEN_NIC_REG(0x120)
+                },
+                /* crb_sts_consumer: */
+                NETXEN_NIC_REG(0x138),
+        },
+        /* Instance 1 */
+        {
+                /* crb_rcv_producer: */
+                {
+                        NETXEN_NIC_REG(0x144),
+                        /* Jumbo frames */
+                        NETXEN_NIC_REG(0x154),
+                        /* LRO */
+                        NETXEN_NIC_REG(0x164)
+                },
+                /* crb_sts_consumer: */
+                NETXEN_NIC_REG(0x17c),
+        },
+        /* Instance 2 */
+        {
+                /* crb_rcv_producer: */
+                {
+                        NETXEN_NIC_REG(0x1d8),
+                        /* Jumbo frames */
+                        NETXEN_NIC_REG(0x1f8),
+                        /* LRO */
+                        NETXEN_NIC_REG(0x208)
+                },
+                /* crb_sts_consumer: */
+                NETXEN_NIC_REG(0x220),
+        },
+        /* Instance 3 */
+        {
+                /* crb_rcv_producer: */
+                {
+                        NETXEN_NIC_REG(0x22c),
+                        /* Jumbo frames */
+                        NETXEN_NIC_REG(0x23c),
+                        /* LRO */
+                        NETXEN_NIC_REG(0x24c)
+                },
+                /* crb_sts_consumer: */
+                NETXEN_NIC_REG(0x264),
+        },
+};
+
+static int
+netxen_init_old_ctx(struct netxen_adapter *adapter)
+{
+        struct netxen_recv_context *recv_ctx;
+        struct nx_host_rds_ring *rds_ring;
+        int ctx, ring;
+        int func_id = adapter->portnum;
+
+        adapter->ctx_desc->cmd_ring_addr =
+                cpu_to_le64(adapter->ahw.cmd_desc_phys_addr);
+        adapter->ctx_desc->cmd_ring_size =
+                cpu_to_le32(adapter->max_tx_desc_count);
+
+        for (ctx = 0; ctx < MAX_RCV_CTX; ++ctx) {
+                recv_ctx = &adapter->recv_ctx[ctx];
+
+                for (ring = 0; ring < adapter->max_rds_rings; ring++) {
+                        rds_ring = &recv_ctx->rds_rings[ring];
+
+                        adapter->ctx_desc->rcv_ctx[ring].rcv_ring_addr =
+                                cpu_to_le64(rds_ring->phys_addr);
+                        adapter->ctx_desc->rcv_ctx[ring].rcv_ring_size =
+                                cpu_to_le32(rds_ring->max_rx_desc_count);
+                }
+                adapter->ctx_desc->sts_ring_addr =
+                        cpu_to_le64(recv_ctx->rcv_status_desc_phys_addr);
+                adapter->ctx_desc->sts_ring_size =
+                        cpu_to_le32(adapter->max_rx_desc_count);
+        }
+
+        adapter->pci_write_normalize(adapter, CRB_CTX_ADDR_REG_LO(func_id),
+                        lower32(adapter->ctx_desc_phys_addr));
+        adapter->pci_write_normalize(adapter, CRB_CTX_ADDR_REG_HI(func_id),
+                        upper32(adapter->ctx_desc_phys_addr));
+        adapter->pci_write_normalize(adapter, CRB_CTX_SIGNATURE_REG(func_id),
+                        NETXEN_CTX_SIGNATURE | func_id);
+        return 0;
+}
+
+static uint32_t sw_int_mask[4] = {
+        CRB_SW_INT_MASK_0, CRB_SW_INT_MASK_1,
+        CRB_SW_INT_MASK_2, CRB_SW_INT_MASK_3
+};
+
+int netxen_alloc_hw_resources(struct netxen_adapter *adapter)
+{
+        struct netxen_hardware_context *hw = &adapter->ahw;
+        u32 state = 0;
+        void *addr;
+        int err = 0;
+        int ctx, ring;
+        struct netxen_recv_context *recv_ctx;
+        struct nx_host_rds_ring *rds_ring;
+
+        err = netxen_receive_peg_ready(adapter);
+        if (err) {
+                printk(KERN_ERR "Rcv Peg initialization not complete:%x.\n",
+                                state);
+                return err;
+        }
+
+        addr = pci_alloc_consistent(adapter->pdev,
+                        sizeof(struct netxen_ring_ctx) + sizeof(uint32_t),
+                        &adapter->ctx_desc_phys_addr);
+
+        if (addr == NULL) {
+                DPRINTK(ERR, "failed to allocate hw context\n");
+                return -ENOMEM;
+        }
+        memset(addr, 0, sizeof(struct netxen_ring_ctx));
+        adapter->ctx_desc = (struct netxen_ring_ctx *)addr;
+        adapter->ctx_desc->ctx_id = cpu_to_le32(adapter->portnum);
+        adapter->ctx_desc->cmd_consumer_offset =
+                cpu_to_le64(adapter->ctx_desc_phys_addr +
+                        sizeof(struct netxen_ring_ctx));
+        adapter->cmd_consumer =
+                (__le32 *)(((char *)addr) + sizeof(struct netxen_ring_ctx));
+
+        /* cmd desc ring */
+        addr = pci_alloc_consistent(adapter->pdev,
+                        sizeof(struct cmd_desc_type0) *
+                        adapter->max_tx_desc_count,
+                        &hw->cmd_desc_phys_addr);
+
+        if (addr == NULL) {
+                printk(KERN_ERR "%s failed to allocate tx desc ring\n",
+                                netxen_nic_driver_name);
+                return -ENOMEM;
+        }
+
+        hw->cmd_desc_head = (struct cmd_desc_type0 *)addr;
+
+        for (ctx = 0; ctx < MAX_RCV_CTX; ++ctx) {
+                recv_ctx = &adapter->recv_ctx[ctx];
+
+                for (ring = 0; ring < adapter->max_rds_rings; ring++) {
+                        /* rx desc ring */
+                        rds_ring = &recv_ctx->rds_rings[ring];
+                        addr = pci_alloc_consistent(adapter->pdev,
+                                        RCV_DESC_RINGSIZE,
+                                        &rds_ring->phys_addr);
+                        if (addr == NULL) {
+                                printk(KERN_ERR "%s failed to allocate rx "
+                                        "desc ring[%d]\n",
+                                        netxen_nic_driver_name, ring);
+                                err = -ENOMEM;
+                                goto err_out_free;
+                        }
+                        rds_ring->desc_head = (struct rcv_desc *)addr;
+
+                        if (adapter->fw_major < 4)
+                                rds_ring->crb_rcv_producer =
+                                        recv_crb_registers[adapter->portnum].
+                                        crb_rcv_producer[ring];
+                }
+
+                /* status desc ring */
+                addr = pci_alloc_consistent(adapter->pdev,
+                                STATUS_DESC_RINGSIZE,
+                                &recv_ctx->rcv_status_desc_phys_addr);
+                if (addr == NULL) {
+                        printk(KERN_ERR "%s failed to allocate sts desc ring\n",
+                                        netxen_nic_driver_name);
+                        err = -ENOMEM;
+                        goto err_out_free;
+                }
+                recv_ctx->rcv_status_desc_head = (struct status_desc *)addr;
+
+                if (adapter->fw_major < 4)
+                        recv_ctx->crb_sts_consumer =
+                                recv_crb_registers[adapter->portnum].
+                                crb_sts_consumer;
+        }
+
+        if (adapter->fw_major >= 4) {
+                adapter->intr_scheme = INTR_SCHEME_PERPORT;
+                adapter->msi_mode = MSI_MODE_MULTIFUNC;
+
+                err = nx_fw_cmd_create_rx_ctx(adapter);
+                if (err)
+                        goto err_out_free;
+                err = nx_fw_cmd_create_tx_ctx(adapter);
+                if (err)
+                        goto err_out_free;
+        } else {
+
+                adapter->intr_scheme = adapter->pci_read_normalize(adapter,
+                                CRB_NIC_CAPABILITIES_FW);
+                adapter->msi_mode = adapter->pci_read_normalize(adapter,
+                                CRB_NIC_MSI_MODE_FW);
+                adapter->crb_intr_mask = sw_int_mask[adapter->portnum];
+
+                err = netxen_init_old_ctx(adapter);
+                if (err) {
+                        netxen_free_hw_resources(adapter);
+                        return err;
+                }
+
+        }
+
+        return 0;
+
+err_out_free:
+        netxen_free_hw_resources(adapter);
+        return err;
+}
+
+void netxen_free_hw_resources(struct netxen_adapter *adapter)
+{
+        struct netxen_recv_context *recv_ctx;
+        struct nx_host_rds_ring *rds_ring;
+        int ctx, ring;
+
+        if (adapter->fw_major >= 4) {
+                nx_fw_cmd_destroy_tx_ctx(adapter);
+                nx_fw_cmd_destroy_rx_ctx(adapter);
+        }
+
+        if (adapter->ctx_desc != NULL) {
+                pci_free_consistent(adapter->pdev,
+                                sizeof(struct netxen_ring_ctx) +
+                                sizeof(uint32_t),
+                                adapter->ctx_desc,
+                                adapter->ctx_desc_phys_addr);
+                adapter->ctx_desc = NULL;
+        }
+
+        if (adapter->ahw.cmd_desc_head != NULL) {
+                pci_free_consistent(adapter->pdev,
+                                sizeof(struct cmd_desc_type0) *
+                                adapter->max_tx_desc_count,
+                                adapter->ahw.cmd_desc_head,
+                                adapter->ahw.cmd_desc_phys_addr);
+                adapter->ahw.cmd_desc_head = NULL;
+        }
+
+        for (ctx = 0; ctx < MAX_RCV_CTX; ++ctx) {
+                recv_ctx = &adapter->recv_ctx[ctx];
+                for (ring = 0; ring < adapter->max_rds_rings; ring++) {
+                        rds_ring = &recv_ctx->rds_rings[ring];
+
+                        if (rds_ring->desc_head != NULL) {
+                                pci_free_consistent(adapter->pdev,
+                                                RCV_DESC_RINGSIZE,
+                                                rds_ring->desc_head,
+                                                rds_ring->phys_addr);
+                                rds_ring->desc_head = NULL;
+                        }
+                }
+
+                if (recv_ctx->rcv_status_desc_head != NULL) {
+                        pci_free_consistent(adapter->pdev,
+                                        STATUS_DESC_RINGSIZE,
+                                        recv_ctx->rcv_status_desc_head,
+                                        recv_ctx->rcv_status_desc_phys_addr);
+                        recv_ctx->rcv_status_desc_head = NULL;
+                }
+        }
+}
+
diff --git a/drivers/net/netxen/netxen_nic_ethtool.c b/drivers/net/netxen/netxen_nic_ethtool.c
index 723487bf200c..48ee06b6f4e9 100644
--- a/drivers/net/netxen/netxen_nic_ethtool.c
+++ b/drivers/net/netxen/netxen_nic_ethtool.c
@@ -93,17 +93,21 @@ static void
 netxen_nic_get_drvinfo(struct net_device *dev, struct ethtool_drvinfo *drvinfo)
 {
         struct netxen_adapter *adapter = netdev_priv(dev);
+        unsigned long flags;
         u32 fw_major = 0;
         u32 fw_minor = 0;
         u32 fw_build = 0;
 
         strncpy(drvinfo->driver, netxen_nic_driver_name, 32);
         strncpy(drvinfo->version, NETXEN_NIC_LINUX_VERSIONID, 32);
-        fw_major = readl(NETXEN_CRB_NORMALIZE(adapter,
-                                              NETXEN_FW_VERSION_MAJOR));
-        fw_minor = readl(NETXEN_CRB_NORMALIZE(adapter,
-                                              NETXEN_FW_VERSION_MINOR));
-        fw_build = readl(NETXEN_CRB_NORMALIZE(adapter, NETXEN_FW_VERSION_SUB));
+        write_lock_irqsave(&adapter->adapter_lock, flags);
+        fw_major = adapter->pci_read_normalize(adapter,
+                                        NETXEN_FW_VERSION_MAJOR);
+        fw_minor = adapter->pci_read_normalize(adapter,
+                                        NETXEN_FW_VERSION_MINOR);
+        fw_build = adapter->pci_read_normalize(adapter,
+                                        NETXEN_FW_VERSION_SUB);
+        write_unlock_irqrestore(&adapter->adapter_lock, flags);
         sprintf(drvinfo->fw_version, "%d.%d.%d", fw_major, fw_minor, fw_build);
 
         strncpy(drvinfo->bus_info, pci_name(adapter->pdev), 32);
@@ -159,9 +163,16 @@ netxen_nic_get_settings(struct net_device *dev, struct ethtool_cmd *ecmd)
         switch ((netxen_brdtype_t) boardinfo->board_type) {
         case NETXEN_BRDTYPE_P2_SB35_4G:
         case NETXEN_BRDTYPE_P2_SB31_2G:
+        case NETXEN_BRDTYPE_P3_REF_QG:
+        case NETXEN_BRDTYPE_P3_4_GB:
+        case NETXEN_BRDTYPE_P3_4_GB_MM:
+        case NETXEN_BRDTYPE_P3_10000_BASE_T:
+
                 ecmd->supported |= SUPPORTED_Autoneg;
                 ecmd->advertising |= ADVERTISED_Autoneg;
         case NETXEN_BRDTYPE_P2_SB31_10G_CX4:
+        case NETXEN_BRDTYPE_P3_10G_CX4:
+        case NETXEN_BRDTYPE_P3_10G_CX4_LP:
                 ecmd->supported |= SUPPORTED_TP;
                 ecmd->advertising |= ADVERTISED_TP;
                 ecmd->port = PORT_TP;
@@ -171,12 +182,17 @@ netxen_nic_get_settings(struct net_device *dev, struct ethtool_cmd *ecmd)
                 break;
         case NETXEN_BRDTYPE_P2_SB31_10G_HMEZ:
         case NETXEN_BRDTYPE_P2_SB31_10G_IMEZ:
+        case NETXEN_BRDTYPE_P3_IMEZ:
+        case NETXEN_BRDTYPE_P3_XG_LOM:
+        case NETXEN_BRDTYPE_P3_HMEZ:
                 ecmd->supported |= SUPPORTED_MII;
                 ecmd->advertising |= ADVERTISED_MII;
                 ecmd->port = PORT_FIBRE;
                 ecmd->autoneg = AUTONEG_DISABLE;
                 break;
         case NETXEN_BRDTYPE_P2_SB31_10G:
+        case NETXEN_BRDTYPE_P3_10G_SFP_PLUS:
+        case NETXEN_BRDTYPE_P3_10G_XFP:
                 ecmd->supported |= SUPPORTED_FIBRE;
                 ecmd->advertising |= ADVERTISED_FIBRE;
                 ecmd->port = PORT_FIBRE;
@@ -349,19 +365,18 @@ netxen_nic_get_regs(struct net_device *dev, struct ethtool_regs *regs, void *p)
 {
         struct netxen_adapter *adapter = netdev_priv(dev);
         __u32 mode, *regs_buff = p;
-        void __iomem *addr;
         int i, window;
 
         memset(p, 0, NETXEN_NIC_REGS_LEN);
         regs->version = (1 << 24) | (adapter->ahw.revision_id << 16) |
             (adapter->pdev)->device;
         /* which mode */
-        NETXEN_NIC_LOCKED_READ_REG(NETXEN_NIU_MODE, &regs_buff[0]);
+        adapter->hw_read_wx(adapter, NETXEN_NIU_MODE, &regs_buff[0], 4);
         mode = regs_buff[0];
 
         /* Common registers to all the modes */
-        NETXEN_NIC_LOCKED_READ_REG(NETXEN_NIU_STRAP_VALUE_SAVE_HIGHER,
-                                   &regs_buff[2]);
+        adapter->hw_read_wx(adapter,
+                        NETXEN_NIU_STRAP_VALUE_SAVE_HIGHER, &regs_buff[2], 4);
         /* GB/XGB Mode */
         mode = (mode / 2) - 1;
         window = 0;
@@ -372,9 +387,9 @@ netxen_nic_get_regs(struct net_device *dev, struct ethtool_regs *regs, void *p)
                                 window = adapter->physical_port *
                                         NETXEN_NIC_PORT_WINDOW;
 
-                        NETXEN_NIC_LOCKED_READ_REG(niu_registers[mode].
-                                                   reg[i - 3] + window,
-                                                   &regs_buff[i]);
+                        adapter->hw_read_wx(adapter,
+                                niu_registers[mode].reg[i - 3] + window,
+                                &regs_buff[i], 4);
                 }
 
         }
@@ -398,7 +413,7 @@ static u32 netxen_nic_test_link(struct net_device *dev)
                         return !val;
                 }
         } else if (adapter->ahw.board_type == NETXEN_NIC_XGBE) {
-                val = readl(NETXEN_CRB_NORMALIZE(adapter, CRB_XG_STATE));
+                val = adapter->pci_read_normalize(adapter, CRB_XG_STATE);
                 return (val == XG_LINK_UP) ? 0 : 1;
         }
         return -EIO;
@@ -427,6 +442,7 @@ netxen_nic_get_eeprom(struct net_device *dev, struct ethtool_eeprom *eeprom,
         return 0;
 }
 
+#if 0
 static int
 netxen_nic_set_eeprom(struct net_device *dev, struct ethtool_eeprom *eeprom,
                         u8 * bytes)
@@ -447,7 +463,6 @@ netxen_nic_set_eeprom(struct net_device *dev, struct ethtool_eeprom *eeprom,
                 }
                 printk(KERN_INFO "%s: flash unlocked. \n",
                         netxen_nic_driver_name);
-                last_schedule_time = jiffies;
                 ret = netxen_flash_erase_secondary(adapter);
                 if (ret != FLASH_SUCCESS) {
                         printk(KERN_ERR "%s: Flash erase failed.\n",
@@ -497,6 +512,7 @@ netxen_nic_set_eeprom(struct net_device *dev, struct ethtool_eeprom *eeprom,
 
         return netxen_rom_fast_write_words(adapter, offset, bytes, eeprom->len);
 }
+#endif /* 0 */
 
 static void
 netxen_nic_get_ringparam(struct net_device *dev, struct ethtool_ringparam *ring)
@@ -508,9 +524,9 @@ netxen_nic_get_ringparam(struct net_device *dev, struct ethtool_ringparam *ring)
         ring->rx_jumbo_pending = 0;
         for (i = 0; i < MAX_RCV_CTX; ++i) {
                 ring->rx_pending += adapter->recv_ctx[i].
-                    rcv_desc[RCV_DESC_NORMAL_CTXID].max_rx_desc_count;
+                    rds_rings[RCV_DESC_NORMAL_CTXID].max_rx_desc_count;
                 ring->rx_jumbo_pending += adapter->recv_ctx[i].
-                    rcv_desc[RCV_DESC_JUMBO_CTXID].max_rx_desc_count;
+                    rds_rings[RCV_DESC_JUMBO_CTXID].max_rx_desc_count;
         }
         ring->tx_pending = adapter->max_tx_desc_count;
 
@@ -655,7 +671,7 @@ static int netxen_nic_reg_test(struct net_device *dev)
         data_written = (u32)0xa5a5a5a5;
 
         netxen_nic_reg_write(adapter, CRB_SCRATCHPAD_TEST, data_written);
-        data_read = readl(NETXEN_CRB_NORMALIZE(adapter, CRB_SCRATCHPAD_TEST));
+        data_read = adapter->pci_read_normalize(adapter, CRB_SCRATCHPAD_TEST);
         if (data_written != data_read)
                 return 1;
 
@@ -736,6 +752,117 @@ static int netxen_nic_set_rx_csum(struct net_device *dev, u32 data)
         return 0;
 }
 
+static u32 netxen_nic_get_tso(struct net_device *dev)
+{
+        struct netxen_adapter *adapter = netdev_priv(dev);
+
+        if (NX_IS_REVISION_P3(adapter->ahw.revision_id))
+                return (dev->features & (NETIF_F_TSO | NETIF_F_TSO6)) != 0;
+
+        return (dev->features & NETIF_F_TSO) != 0;
+}
+
+static int netxen_nic_set_tso(struct net_device *dev, u32 data)
+{
+        if (data) {
+                struct netxen_adapter *adapter = netdev_priv(dev);
+
+                dev->features |= NETIF_F_TSO;
+                if (NX_IS_REVISION_P3(adapter->ahw.revision_id))
+                        dev->features |= NETIF_F_TSO6;
+        } else
+                dev->features &= ~(NETIF_F_TSO | NETIF_F_TSO6);
+
+        return 0;
+}
+
+/*
+ * Set the coalescing parameters. Currently only normal is supported.
+ * If rx_coalesce_usecs == 0 or rx_max_coalesced_frames == 0 then set the
+ * firmware coalescing to default.
+ */
+static int netxen_set_intr_coalesce(struct net_device *netdev,
+                        struct ethtool_coalesce *ethcoal)
+{
+        struct netxen_adapter *adapter = netdev_priv(netdev);
+
+        if (!NX_IS_REVISION_P3(adapter->ahw.revision_id))
+                return -EINVAL;
+
+        if (adapter->is_up != NETXEN_ADAPTER_UP_MAGIC)
+                return -EINVAL;
+
+        /*
+        * Return Error if unsupported values or
+        * unsupported parameters are set.
+        */
+        if (ethcoal->rx_coalesce_usecs > 0xffff ||
+                ethcoal->rx_max_coalesced_frames > 0xffff ||
+                ethcoal->tx_coalesce_usecs > 0xffff ||
+                ethcoal->tx_max_coalesced_frames > 0xffff ||
+                ethcoal->rx_coalesce_usecs_irq ||
+                ethcoal->rx_max_coalesced_frames_irq ||
+                ethcoal->tx_coalesce_usecs_irq ||
+                ethcoal->tx_max_coalesced_frames_irq ||
+                ethcoal->stats_block_coalesce_usecs ||
+                ethcoal->use_adaptive_rx_coalesce ||
+                ethcoal->use_adaptive_tx_coalesce ||
+                ethcoal->pkt_rate_low ||
+                ethcoal->rx_coalesce_usecs_low ||
+                ethcoal->rx_max_coalesced_frames_low ||
+                ethcoal->tx_coalesce_usecs_low ||
+                ethcoal->tx_max_coalesced_frames_low ||
+                ethcoal->pkt_rate_high ||
+                ethcoal->rx_coalesce_usecs_high ||
+                ethcoal->rx_max_coalesced_frames_high ||
+                ethcoal->tx_coalesce_usecs_high ||
+                ethcoal->tx_max_coalesced_frames_high)
+                return -EINVAL;
+
+        if (!ethcoal->rx_coalesce_usecs ||
+                !ethcoal->rx_max_coalesced_frames) {
+                adapter->coal.flags = NETXEN_NIC_INTR_DEFAULT;
+                adapter->coal.normal.data.rx_time_us =
+                        NETXEN_DEFAULT_INTR_COALESCE_RX_TIME_US;
+                adapter->coal.normal.data.rx_packets =
+                        NETXEN_DEFAULT_INTR_COALESCE_RX_PACKETS;
+        } else {
+                adapter->coal.flags = 0;
+                adapter->coal.normal.data.rx_time_us =
+                ethcoal->rx_coalesce_usecs;
+                adapter->coal.normal.data.rx_packets =
+                ethcoal->rx_max_coalesced_frames;
+        }
+        adapter->coal.normal.data.tx_time_us = ethcoal->tx_coalesce_usecs;
+        adapter->coal.normal.data.tx_packets =
+        ethcoal->tx_max_coalesced_frames;
+
+        netxen_config_intr_coalesce(adapter);
+
+        return 0;
+}
+
+static int netxen_get_intr_coalesce(struct net_device *netdev,
+                        struct ethtool_coalesce *ethcoal)
+{
+        struct netxen_adapter *adapter = netdev_priv(netdev);
+
+        if (!NX_IS_REVISION_P3(adapter->ahw.revision_id))
+                return -EINVAL;
+
+        if (adapter->is_up != NETXEN_ADAPTER_UP_MAGIC)
+                return -EINVAL;
+
+        ethcoal->rx_coalesce_usecs = adapter->coal.normal.data.rx_time_us;
+        ethcoal->tx_coalesce_usecs = adapter->coal.normal.data.tx_time_us;
+        ethcoal->rx_max_coalesced_frames =
+                adapter->coal.normal.data.rx_packets;
+        ethcoal->tx_max_coalesced_frames =
+                adapter->coal.normal.data.tx_packets;
+
+        return 0;
+}
+
 struct ethtool_ops netxen_nic_ethtool_ops = {
         .get_settings = netxen_nic_get_settings,
         .set_settings = netxen_nic_set_settings,
@@ -745,17 +872,22 @@ struct ethtool_ops netxen_nic_ethtool_ops = {
         .get_link = ethtool_op_get_link,
         .get_eeprom_len = netxen_nic_get_eeprom_len,
         .get_eeprom = netxen_nic_get_eeprom,
+#if 0
         .set_eeprom = netxen_nic_set_eeprom,
+#endif
         .get_ringparam = netxen_nic_get_ringparam,
         .get_pauseparam = netxen_nic_get_pauseparam,
         .set_pauseparam = netxen_nic_set_pauseparam,
         .set_tx_csum = ethtool_op_set_tx_csum,
         .set_sg = ethtool_op_set_sg,
-        .set_tso = ethtool_op_set_tso,
+        .get_tso = netxen_nic_get_tso,
+        .set_tso = netxen_nic_set_tso,
         .self_test = netxen_nic_diag_test,
         .get_strings = netxen_nic_get_strings,
         .get_ethtool_stats = netxen_nic_get_ethtool_stats,
         .get_sset_count = netxen_get_sset_count,
         .get_rx_csum = netxen_nic_get_rx_csum,
         .set_rx_csum = netxen_nic_set_rx_csum,
+        .get_coalesce = netxen_get_intr_coalesce,
+        .set_coalesce = netxen_set_intr_coalesce,
 };
diff --git a/drivers/net/netxen/netxen_nic_hdr.h b/drivers/net/netxen/netxen_nic_hdr.h
index 24d027e29c45..3ce13e451aac 100644
--- a/drivers/net/netxen/netxen_nic_hdr.h
+++ b/drivers/net/netxen/netxen_nic_hdr.h
@@ -126,7 +126,8 @@ enum {
         NETXEN_HW_PEGR0_CRB_AGT_ADR,
         NETXEN_HW_PEGR1_CRB_AGT_ADR,
         NETXEN_HW_PEGR2_CRB_AGT_ADR,
-        NETXEN_HW_PEGR3_CRB_AGT_ADR
+        NETXEN_HW_PEGR3_CRB_AGT_ADR,
+        NETXEN_HW_PEGN4_CRB_AGT_ADR
 };
 
 /*  Hub 5 */
@@ -316,6 +317,8 @@ enum {
         ((NETXEN_HW_H4_CH_HUB_ADR << 7) | NETXEN_HW_PEGN2_CRB_AGT_ADR)
 #define NETXEN_HW_CRB_HUB_AGT_ADR_PGN3  \
         ((NETXEN_HW_H4_CH_HUB_ADR << 7) | NETXEN_HW_PEGN3_CRB_AGT_ADR)
+#define NETXEN_HW_CRB_HUB_AGT_ADR_PGN4  \
+        ((NETXEN_HW_H4_CH_HUB_ADR << 7) | NETXEN_HW_PEGN4_CRB_AGT_ADR)
 #define NETXEN_HW_CRB_HUB_AGT_ADR_PGNC  \
         ((NETXEN_HW_H4_CH_HUB_ADR << 7) | NETXEN_HW_PEGNC_CRB_AGT_ADR)
 #define NETXEN_HW_CRB_HUB_AGT_ADR_PGR0  \
@@ -435,6 +438,7 @@ enum {
 #define NETXEN_CRB_ROMUSB       \
         NETXEN_PCI_CRB_WINDOW(NETXEN_HW_PX_MAP_CRB_ROMUSB)
 #define NETXEN_CRB_I2Q          NETXEN_PCI_CRB_WINDOW(NETXEN_HW_PX_MAP_CRB_I2Q)
+#define NETXEN_CRB_SMB          NETXEN_PCI_CRB_WINDOW(NETXEN_HW_PX_MAP_CRB_SMB)
 #define NETXEN_CRB_MAX          NETXEN_PCI_CRB_WINDOW(64)
 
 #define NETXEN_CRB_PCIX_HOST    NETXEN_PCI_CRB_WINDOW(NETXEN_HW_PX_MAP_CRB_PH)
@@ -446,6 +450,7 @@ enum {
 #define NETXEN_CRB_PEG_NET_D    NETXEN_PCI_CRB_WINDOW(NETXEN_HW_PX_MAP_CRB_PGND)
 #define NETXEN_CRB_PEG_NET_I    NETXEN_PCI_CRB_WINDOW(NETXEN_HW_PX_MAP_CRB_PGNI)
 #define NETXEN_CRB_DDR_NET      NETXEN_PCI_CRB_WINDOW(NETXEN_HW_PX_MAP_CRB_MN)
+#define NETXEN_CRB_QDR_NET      NETXEN_PCI_CRB_WINDOW(NETXEN_HW_PX_MAP_CRB_SN)
 
 #define NETXEN_CRB_PCIX_MD      NETXEN_PCI_CRB_WINDOW(NETXEN_HW_PX_MAP_CRB_PS)
 #define NETXEN_CRB_PCIE         NETXEN_CRB_PCIX_MD
@@ -461,11 +466,20 @@ enum {
 #define ISR_INT_TARGET_MASK_F2     (NETXEN_PCIX_PS_REG(PCIX_TARGET_MASK_F2))
 #define ISR_INT_TARGET_STATUS_F3   (NETXEN_PCIX_PS_REG(PCIX_TARGET_STATUS_F3))
 #define ISR_INT_TARGET_MASK_F3     (NETXEN_PCIX_PS_REG(PCIX_TARGET_MASK_F3))
+#define ISR_INT_TARGET_STATUS_F4   (NETXEN_PCIX_PS_REG(PCIX_TARGET_STATUS_F4))
+#define ISR_INT_TARGET_MASK_F4     (NETXEN_PCIX_PS_REG(PCIX_TARGET_MASK_F4))
+#define ISR_INT_TARGET_STATUS_F5   (NETXEN_PCIX_PS_REG(PCIX_TARGET_STATUS_F5))
+#define ISR_INT_TARGET_MASK_F5     (NETXEN_PCIX_PS_REG(PCIX_TARGET_MASK_F5))
+#define ISR_INT_TARGET_STATUS_F6   (NETXEN_PCIX_PS_REG(PCIX_TARGET_STATUS_F6))
+#define ISR_INT_TARGET_MASK_F6     (NETXEN_PCIX_PS_REG(PCIX_TARGET_MASK_F6))
+#define ISR_INT_TARGET_STATUS_F7   (NETXEN_PCIX_PS_REG(PCIX_TARGET_STATUS_F7))
+#define ISR_INT_TARGET_MASK_F7     (NETXEN_PCIX_PS_REG(PCIX_TARGET_MASK_F7))
 
 #define NETXEN_PCI_MAPSIZE      128
 #define NETXEN_PCI_DDR_NET      (0x00000000UL)
 #define NETXEN_PCI_QDR_NET      (0x04000000UL)
 #define NETXEN_PCI_DIRECT_CRB   (0x04400000UL)
+#define NETXEN_PCI_CAMQM        (0x04800000UL)
 #define NETXEN_PCI_CAMQM_MAX    (0x04ffffffUL)
 #define NETXEN_PCI_OCM0         (0x05000000UL)
 #define NETXEN_PCI_OCM0_MAX     (0x050fffffUL)
@@ -474,6 +488,13 @@ enum {
 #define NETXEN_PCI_CRBSPACE     (0x06000000UL)
 #define NETXEN_PCI_128MB_SIZE   (0x08000000UL)
 #define NETXEN_PCI_32MB_SIZE    (0x02000000UL)
+#define NETXEN_PCI_2MB_SIZE     (0x00200000UL)
+
+#define NETXEN_PCI_MN_2M        (0)
+#define NETXEN_PCI_MS_2M        (0x80000)
+#define NETXEN_PCI_OCM0_2M      (0x000c0000UL)
+#define NETXEN_PCI_CAMQM_2M_BASE        (0x000ff800UL)
+#define NETXEN_PCI_CAMQM_2M_END         (0x04800800UL)
 
 #define NETXEN_CRB_CAM  NETXEN_PCI_CRB_WINDOW(NETXEN_HW_PX_MAP_CRB_CAM)
 
@@ -484,7 +505,14 @@ enum {
 #define NETXEN_ADDR_OCM1        (0x0000000200400000ULL)
 #define NETXEN_ADDR_OCM1_MAX    (0x00000002004fffffULL)
 #define NETXEN_ADDR_QDR_NET     (0x0000000300000000ULL)
-#define NETXEN_ADDR_QDR_NET_MAX (0x00000003003fffffULL)
+#define NETXEN_ADDR_QDR_NET_MAX_P2 (0x00000003003fffffULL)
+#define NETXEN_ADDR_QDR_NET_MAX_P3 (0x0000000303ffffffULL)
+
+/*
+ *   Register offsets for MN
+ */
+#define NETXEN_MIU_CONTROL      (0x000)
+#define NETXEN_MIU_MN_CONTROL   (NETXEN_CRB_DDR_NET+NETXEN_MIU_CONTROL)
 
         /* 200ms delay in each loop */
 #define NETXEN_NIU_PHY_WAITLEN          200000
@@ -550,6 +578,9 @@ enum {
 #define NETXEN_MULTICAST_ADDR_HI_2      (NETXEN_CRB_NIU + 0x1018)
 #define NETXEN_MULTICAST_ADDR_HI_3      (NETXEN_CRB_NIU + 0x101c)
 
+#define NETXEN_UNICAST_ADDR_BASE        (NETXEN_CRB_NIU + 0x1080)
+#define NETXEN_MULTICAST_ADDR_BASE      (NETXEN_CRB_NIU + 0x1100)
+
 #define NETXEN_NIU_GB_MAC_CONFIG_0(I)           \
         (NETXEN_CRB_NIU + 0x30000 + (I)*0x10000)
 #define NETXEN_NIU_GB_MAC_CONFIG_1(I)           \
@@ -630,16 +661,76 @@ enum {
 #define NETXEN_NIU_XG1_CONTROL_CHAR_CNT         (NETXEN_CRB_NIU + 0x80054)
 #define NETXEN_NIU_XG1_PAUSE_FRAME_CNT          (NETXEN_CRB_NIU + 0x80058)
 
+/* P3 802.3ap */
+#define NETXEN_NIU_AP_MAC_CONFIG_0(I)      (NETXEN_CRB_NIU+0xa0000+(I)*0x10000)
+#define NETXEN_NIU_AP_MAC_CONFIG_1(I)      (NETXEN_CRB_NIU+0xa0004+(I)*0x10000)
+#define NETXEN_NIU_AP_MAC_IPG_IFG(I)       (NETXEN_CRB_NIU+0xa0008+(I)*0x10000)
+#define NETXEN_NIU_AP_HALF_DUPLEX_CTRL(I)  (NETXEN_CRB_NIU+0xa000c+(I)*0x10000)
+#define NETXEN_NIU_AP_MAX_FRAME_SIZE(I)    (NETXEN_CRB_NIU+0xa0010+(I)*0x10000)
+#define NETXEN_NIU_AP_TEST_REG(I)          (NETXEN_CRB_NIU+0xa001c+(I)*0x10000)
+#define NETXEN_NIU_AP_MII_MGMT_CONFIG(I)   (NETXEN_CRB_NIU+0xa0020+(I)*0x10000)
+#define NETXEN_NIU_AP_MII_MGMT_COMMAND(I)  (NETXEN_CRB_NIU+0xa0024+(I)*0x10000)
+#define NETXEN_NIU_AP_MII_MGMT_ADDR(I)     (NETXEN_CRB_NIU+0xa0028+(I)*0x10000)
+#define NETXEN_NIU_AP_MII_MGMT_CTRL(I)     (NETXEN_CRB_NIU+0xa002c+(I)*0x10000)
+#define NETXEN_NIU_AP_MII_MGMT_STATUS(I)   (NETXEN_CRB_NIU+0xa0030+(I)*0x10000)
+#define NETXEN_NIU_AP_MII_MGMT_INDICATE(I) (NETXEN_CRB_NIU+0xa0034+(I)*0x10000)
+#define NETXEN_NIU_AP_INTERFACE_CTRL(I)    (NETXEN_CRB_NIU+0xa0038+(I)*0x10000)
+#define NETXEN_NIU_AP_INTERFACE_STATUS(I)  (NETXEN_CRB_NIU+0xa003c+(I)*0x10000)
+#define NETXEN_NIU_AP_STATION_ADDR_0(I)    (NETXEN_CRB_NIU+0xa0040+(I)*0x10000)
+#define NETXEN_NIU_AP_STATION_ADDR_1(I)    (NETXEN_CRB_NIU+0xa0044+(I)*0x10000)
+
+/*
+ *   Register offsets for MN
+ */
+#define MIU_CONTROL            (0x000)
+#define MIU_TEST_AGT_CTRL      (0x090)
+#define MIU_TEST_AGT_ADDR_LO   (0x094)
+#define MIU_TEST_AGT_ADDR_HI   (0x098)
+#define MIU_TEST_AGT_WRDATA_LO (0x0a0)
+#define MIU_TEST_AGT_WRDATA_HI (0x0a4)
+#define MIU_TEST_AGT_WRDATA(i) (0x0a0+(4*(i)))
+#define MIU_TEST_AGT_RDDATA_LO (0x0a8)
+#define MIU_TEST_AGT_RDDATA_HI (0x0ac)
+#define MIU_TEST_AGT_RDDATA(i) (0x0a8+(4*(i)))
+#define MIU_TEST_AGT_ADDR_MASK 0xfffffff8
+#define MIU_TEST_AGT_UPPER_ADDR(off) (0)
+
+/* MIU_TEST_AGT_CTRL flags. work for SIU as well */
+#define MIU_TA_CTL_START        1
+#define MIU_TA_CTL_ENABLE       2
+#define MIU_TA_CTL_WRITE        4
+#define MIU_TA_CTL_BUSY         8
+
+#define SIU_TEST_AGT_CTRL      (0x060)
+#define SIU_TEST_AGT_ADDR_LO   (0x064)
+#define SIU_TEST_AGT_ADDR_HI   (0x078)
+#define SIU_TEST_AGT_WRDATA_LO (0x068)
+#define SIU_TEST_AGT_WRDATA_HI (0x06c)
+#define SIU_TEST_AGT_WRDATA(i) (0x068+(4*(i)))
+#define SIU_TEST_AGT_RDDATA_LO (0x070)
+#define SIU_TEST_AGT_RDDATA_HI (0x074)
+#define SIU_TEST_AGT_RDDATA(i) (0x070+(4*(i)))
+
+#define SIU_TEST_AGT_ADDR_MASK 0x3ffff8
+#define SIU_TEST_AGT_UPPER_ADDR(off) ((off)>>22)
+
 /* XG Link status */
 #define XG_LINK_UP      0x10
 #define XG_LINK_DOWN    0x20
 
+#define XG_LINK_UP_P3   0x01
+#define XG_LINK_DOWN_P3 0x02
+#define XG_LINK_STATE_P3_MASK 0xf
+#define XG_LINK_STATE_P3(pcifn,val) \
+        (((val) >> ((pcifn) * 4)) & XG_LINK_STATE_P3_MASK)
+
 #define NETXEN_CAM_RAM_BASE     (NETXEN_CRB_CAM + 0x02000)
 #define NETXEN_CAM_RAM(reg)     (NETXEN_CAM_RAM_BASE + (reg))
 #define NETXEN_FW_VERSION_MAJOR (NETXEN_CAM_RAM(0x150))
 #define NETXEN_FW_VERSION_MINOR (NETXEN_CAM_RAM(0x154))
 #define NETXEN_FW_VERSION_SUB   (NETXEN_CAM_RAM(0x158))
 #define NETXEN_ROM_LOCK_ID      (NETXEN_CAM_RAM(0x100))
+#define NETXEN_CRB_WIN_LOCK_ID  (NETXEN_CAM_RAM(0x124))
 
 #define NETXEN_PHY_LOCK_ID      (NETXEN_CAM_RAM(0x120))
 
@@ -654,30 +745,71 @@ enum {
 #define PCIX_INT_VECTOR         (0x10100)
 #define PCIX_INT_MASK           (0x10104)
 
-#define PCIX_MN_WINDOW_F0       (0x10200)
-#define PCIX_MN_WINDOW(_f)      (PCIX_MN_WINDOW_F0 + (0x20 * (_f)))
-#define PCIX_MS_WINDOW          (0x10204)
-#define PCIX_SN_WINDOW_F0       (0x10208)
-#define PCIX_SN_WINDOW(_f)      (PCIX_SN_WINDOW_F0 + (0x20 * (_f)))
 #define PCIX_CRB_WINDOW         (0x10210)
 #define PCIX_CRB_WINDOW_F0      (0x10210)
 #define PCIX_CRB_WINDOW_F1      (0x10230)
 #define PCIX_CRB_WINDOW_F2      (0x10250)
 #define PCIX_CRB_WINDOW_F3      (0x10270)
+#define PCIX_CRB_WINDOW_F4      (0x102ac)
+#define PCIX_CRB_WINDOW_F5      (0x102bc)
+#define PCIX_CRB_WINDOW_F6      (0x102cc)
+#define PCIX_CRB_WINDOW_F7      (0x102dc)
+#define PCIE_CRB_WINDOW_REG(func)       (((func) < 4) ? \
+                (PCIX_CRB_WINDOW_F0 + (0x20 * (func))) :\
+                (PCIX_CRB_WINDOW_F4 + (0x10 * ((func)-4))))
+
+#define PCIX_MN_WINDOW          (0x10200)
+#define PCIX_MN_WINDOW_F0       (0x10200)
+#define PCIX_MN_WINDOW_F1       (0x10220)
+#define PCIX_MN_WINDOW_F2       (0x10240)
+#define PCIX_MN_WINDOW_F3       (0x10260)
+#define PCIX_MN_WINDOW_F4       (0x102a0)
+#define PCIX_MN_WINDOW_F5       (0x102b0)
+#define PCIX_MN_WINDOW_F6       (0x102c0)
+#define PCIX_MN_WINDOW_F7       (0x102d0)
+#define PCIE_MN_WINDOW_REG(func)        (((func) < 4) ? \
+                (PCIX_MN_WINDOW_F0 + (0x20 * (func))) :\
+                (PCIX_MN_WINDOW_F4 + (0x10 * ((func)-4))))
+
+#define PCIX_SN_WINDOW          (0x10208)
+#define PCIX_SN_WINDOW_F0       (0x10208)
+#define PCIX_SN_WINDOW_F1       (0x10228)
+#define PCIX_SN_WINDOW_F2       (0x10248)
+#define PCIX_SN_WINDOW_F3       (0x10268)
+#define PCIX_SN_WINDOW_F4       (0x102a8)
+#define PCIX_SN_WINDOW_F5       (0x102b8)
+#define PCIX_SN_WINDOW_F6       (0x102c8)
+#define PCIX_SN_WINDOW_F7       (0x102d8)
+#define PCIE_SN_WINDOW_REG(func)        (((func) < 4) ? \
+                (PCIX_SN_WINDOW_F0 + (0x20 * (func))) :\
+                (PCIX_SN_WINDOW_F4 + (0x10 * ((func)-4))))
 
 #define PCIX_TARGET_STATUS      (0x10118)
+#define PCIX_TARGET_STATUS_F1   (0x10160)
+#define PCIX_TARGET_STATUS_F2   (0x10164)
+#define PCIX_TARGET_STATUS_F3   (0x10168)
+#define PCIX_TARGET_STATUS_F4   (0x10360)
+#define PCIX_TARGET_STATUS_F5   (0x10364)
+#define PCIX_TARGET_STATUS_F6   (0x10368)
+#define PCIX_TARGET_STATUS_F7   (0x1036c)
+
 #define PCIX_TARGET_MASK        (0x10128)
-#define PCIX_TARGET_STATUS_F1 (0x10160)
-#define PCIX_TARGET_MASK_F1   (0x10170)
-#define PCIX_TARGET_STATUS_F2 (0x10164)
-#define PCIX_TARGET_MASK_F2   (0x10174)
-#define PCIX_TARGET_STATUS_F3 (0x10168)
-#define PCIX_TARGET_MASK_F3   (0x10178)
+#define PCIX_TARGET_MASK_F1     (0x10170)
+#define PCIX_TARGET_MASK_F2     (0x10174)
+#define PCIX_TARGET_MASK_F3     (0x10178)
+#define PCIX_TARGET_MASK_F4     (0x10370)
+#define PCIX_TARGET_MASK_F5     (0x10374)
+#define PCIX_TARGET_MASK_F6     (0x10378)
+#define PCIX_TARGET_MASK_F7     (0x1037c)
 
 #define PCIX_MSI_F0             (0x13000)
 #define PCIX_MSI_F1             (0x13004)
 #define PCIX_MSI_F2             (0x13008)
 #define PCIX_MSI_F3             (0x1300c)
+#define PCIX_MSI_F4             (0x13010)
+#define PCIX_MSI_F5             (0x13014)
+#define PCIX_MSI_F6             (0x13018)
+#define PCIX_MSI_F7             (0x1301c)
 #define PCIX_MSI_F(i)           (0x13000+((i)*4))
 
 #define PCIX_PS_MEM_SPACE       (0x90000)
@@ -695,11 +827,102 @@ enum {
 #define PCIE_SEM2_UNLOCK        (0x1c014)       /* Flash unlock */
 #define PCIE_SEM3_LOCK          (0x1c018)       /* Phy lock     */
 #define PCIE_SEM3_UNLOCK        (0x1c01c)       /* Phy unlock   */
-
+#define PCIE_SEM5_LOCK          (0x1c028)       /* API lock     */
+#define PCIE_SEM5_UNLOCK        (0x1c02c)       /* API unlock   */
+#define PCIE_SEM6_LOCK          (0x1c030)       /* sw lock      */
+#define PCIE_SEM6_UNLOCK        (0x1c034)       /* sw unlock    */
+#define PCIE_SEM7_LOCK          (0x1c038)       /* crb win lock */
+#define PCIE_SEM7_UNLOCK        (0x1c03c)       /* crbwin unlock*/
+
+#define PCIE_SETUP_FUNCTION     (0x12040)
+#define PCIE_SETUP_FUNCTION2    (0x12048)
 #define PCIE_TGT_SPLIT_CHICKEN  (0x12080)
+#define PCIE_CHICKEN3           (0x120c8)
 
 #define PCIE_MAX_MASTER_SPLIT   (0x14048)
 
+#define NETXEN_PORT_MODE_NONE           0
+#define NETXEN_PORT_MODE_XG             1
+#define NETXEN_PORT_MODE_GB             2
+#define NETXEN_PORT_MODE_802_3_AP       3
+#define NETXEN_PORT_MODE_AUTO_NEG       4
+#define NETXEN_PORT_MODE_AUTO_NEG_1G    5
+#define NETXEN_PORT_MODE_AUTO_NEG_XG    6
+#define NETXEN_PORT_MODE_ADDR           (NETXEN_CAM_RAM(0x24))
+#define NETXEN_WOL_PORT_MODE            (NETXEN_CAM_RAM(0x198))
+
 #define NETXEN_CAM_RAM_DMA_WATCHDOG_CTRL                (0x14)
 
+#define ISR_MSI_INT_TRIGGER(FUNC) (NETXEN_PCIX_PS_REG(PCIX_MSI_F(FUNC)))
+
+/*
+ * PCI Interrupt Vector Values.
+ */
+#define PCIX_INT_VECTOR_BIT_F0  0x0080
+#define PCIX_INT_VECTOR_BIT_F1  0x0100
+#define PCIX_INT_VECTOR_BIT_F2  0x0200
+#define PCIX_INT_VECTOR_BIT_F3  0x0400
+#define PCIX_INT_VECTOR_BIT_F4  0x0800
+#define PCIX_INT_VECTOR_BIT_F5  0x1000
+#define PCIX_INT_VECTOR_BIT_F6  0x2000
+#define PCIX_INT_VECTOR_BIT_F7  0x4000
+
+struct netxen_legacy_intr_set {
+        uint32_t        int_vec_bit;
+        uint32_t        tgt_status_reg;
+        uint32_t        tgt_mask_reg;
+        uint32_t        pci_int_reg;
+};
+
+#define NX_LEGACY_INTR_CONFIG                                           \
+{                                                                       \
+        {                                                               \
+                .int_vec_bit    =       PCIX_INT_VECTOR_BIT_F0,         \
+                .tgt_status_reg =       ISR_INT_TARGET_STATUS,          \
+                .tgt_mask_reg   =       ISR_INT_TARGET_MASK,            \
+                .pci_int_reg    =       ISR_MSI_INT_TRIGGER(0) },       \
+                                                                        \
+        {                                                               \
+                .int_vec_bit    =       PCIX_INT_VECTOR_BIT_F1,         \
+                .tgt_status_reg =       ISR_INT_TARGET_STATUS_F1,       \
+                .tgt_mask_reg   =       ISR_INT_TARGET_MASK_F1,         \
+                .pci_int_reg    =       ISR_MSI_INT_TRIGGER(1) },       \
+                                                                        \
+        {                                                               \
+                .int_vec_bit    =       PCIX_INT_VECTOR_BIT_F2,         \
+                .tgt_status_reg =       ISR_INT_TARGET_STATUS_F2,       \
+                .tgt_mask_reg   =       ISR_INT_TARGET_MASK_F2,         \
+                .pci_int_reg    =       ISR_MSI_INT_TRIGGER(2) },       \
+                                                                        \
+        {                                                               \
+                .int_vec_bit    =       PCIX_INT_VECTOR_BIT_F3,         \
+                .tgt_status_reg =       ISR_INT_TARGET_STATUS_F3,       \
+                .tgt_mask_reg   =       ISR_INT_TARGET_MASK_F3,         \
+                .pci_int_reg    =       ISR_MSI_INT_TRIGGER(3) },       \
+                                                                        \
+        {                                                               \
+                .int_vec_bit    =       PCIX_INT_VECTOR_BIT_F4,         \
+                .tgt_status_reg =       ISR_INT_TARGET_STATUS_F4,       \
+                .tgt_mask_reg   =       ISR_INT_TARGET_MASK_F4,         \
+                .pci_int_reg    =       ISR_MSI_INT_TRIGGER(4) },       \
+                                                                        \
+        {                                                               \
+                .int_vec_bit    =       PCIX_INT_VECTOR_BIT_F5,         \
+                .tgt_status_reg =       ISR_INT_TARGET_STATUS_F5,       \
+                .tgt_mask_reg   =       ISR_INT_TARGET_MASK_F5,         \
+                .pci_int_reg    =       ISR_MSI_INT_TRIGGER(5) },       \
+                                                                        \
+        {                                                               \
+                .int_vec_bit    =       PCIX_INT_VECTOR_BIT_F6,         \
+                .tgt_status_reg =       ISR_INT_TARGET_STATUS_F6,       \
+                .tgt_mask_reg   =       ISR_INT_TARGET_MASK_F6,         \
+                .pci_int_reg    =       ISR_MSI_INT_TRIGGER(6) },       \
+                                                                        \
+        {                                                               \
+                .int_vec_bit    =       PCIX_INT_VECTOR_BIT_F7,         \
+                .tgt_status_reg =       ISR_INT_TARGET_STATUS_F7,       \
+                .tgt_mask_reg   =       ISR_INT_TARGET_MASK_F7,         \
+                .pci_int_reg    =       ISR_MSI_INT_TRIGGER(7) },       \
+}
+
 #endif                          /* __NETXEN_NIC_HDR_H_ */
diff --git a/drivers/net/netxen/netxen_nic_hw.c b/drivers/net/netxen/netxen_nic_hw.c
index c43d06b8de9b..96a3bc6426e2 100644
--- a/drivers/net/netxen/netxen_nic_hw.c
+++ b/drivers/net/netxen/netxen_nic_hw.c
@@ -38,242 +38,262 @@
 
 #include <net/ip.h>
 
-struct netxen_recv_crb recv_crb_registers[] = {
-        /*
-         * Instance 0.
-         */
-        {
-         /* rcv_desc_crb: */
-         {
-          {
-           /* crb_rcv_producer_offset: */
-           NETXEN_NIC_REG(0x100),
-           /* crb_rcv_consumer_offset: */
-           NETXEN_NIC_REG(0x104),
-           /* crb_gloablrcv_ring: */
-           NETXEN_NIC_REG(0x108),
-           /* crb_rcv_ring_size */
-           NETXEN_NIC_REG(0x10c),
-
-           },
-          /* Jumbo frames */
-          {
-           /* crb_rcv_producer_offset: */
-           NETXEN_NIC_REG(0x110),
-           /* crb_rcv_consumer_offset: */
-           NETXEN_NIC_REG(0x114),
-           /* crb_gloablrcv_ring: */
-           NETXEN_NIC_REG(0x118),
-           /* crb_rcv_ring_size */
-           NETXEN_NIC_REG(0x11c),
-           },
-          /* LRO */
-          {
-           /* crb_rcv_producer_offset: */
-           NETXEN_NIC_REG(0x120),
-           /* crb_rcv_consumer_offset: */
-           NETXEN_NIC_REG(0x124),
-           /* crb_gloablrcv_ring: */
-           NETXEN_NIC_REG(0x128),
-           /* crb_rcv_ring_size */
-           NETXEN_NIC_REG(0x12c),
-           }
-          },
-         /* crb_rcvstatus_ring: */
-         NETXEN_NIC_REG(0x130),
-         /* crb_rcv_status_producer: */
-         NETXEN_NIC_REG(0x134),
-         /* crb_rcv_status_consumer: */
-         NETXEN_NIC_REG(0x138),
-         /* crb_rcvpeg_state: */
-         NETXEN_NIC_REG(0x13c),
-         /* crb_status_ring_size */
-         NETXEN_NIC_REG(0x140),
-
-         },
-        /*
-         * Instance 1,
-         */
-        {
-         /* rcv_desc_crb: */
-         {
-          {
-           /* crb_rcv_producer_offset: */
-           NETXEN_NIC_REG(0x144),
-           /* crb_rcv_consumer_offset: */
-           NETXEN_NIC_REG(0x148),
-           /* crb_globalrcv_ring: */
-           NETXEN_NIC_REG(0x14c),
-           /* crb_rcv_ring_size */
-           NETXEN_NIC_REG(0x150),
-
-           },
-          /* Jumbo frames */
-          {
-           /* crb_rcv_producer_offset: */
-           NETXEN_NIC_REG(0x154),
-           /* crb_rcv_consumer_offset: */
-           NETXEN_NIC_REG(0x158),
-           /* crb_globalrcv_ring: */
-           NETXEN_NIC_REG(0x15c),
-           /* crb_rcv_ring_size */
-           NETXEN_NIC_REG(0x160),
-           },
-          /* LRO */
-          {
-           /* crb_rcv_producer_offset: */
-           NETXEN_NIC_REG(0x164),
-           /* crb_rcv_consumer_offset: */
-           NETXEN_NIC_REG(0x168),
-           /* crb_globalrcv_ring: */
-           NETXEN_NIC_REG(0x16c),
-           /* crb_rcv_ring_size */
-           NETXEN_NIC_REG(0x170),
-           }
-
-          },
-         /* crb_rcvstatus_ring: */
-         NETXEN_NIC_REG(0x174),
-         /* crb_rcv_status_producer: */
-         NETXEN_NIC_REG(0x178),
-         /* crb_rcv_status_consumer: */
-         NETXEN_NIC_REG(0x17c),
-         /* crb_rcvpeg_state: */
-         NETXEN_NIC_REG(0x180),
-         /* crb_status_ring_size */
-         NETXEN_NIC_REG(0x184),
-         },
-        /*
-         * Instance 2,
-         */
-        {
-          {
-            {
-            /* crb_rcv_producer_offset: */
-            NETXEN_NIC_REG(0x1d8),
-            /* crb_rcv_consumer_offset: */
-            NETXEN_NIC_REG(0x1dc),
-            /* crb_gloablrcv_ring: */
-            NETXEN_NIC_REG(0x1f0),
-            /* crb_rcv_ring_size */
-            NETXEN_NIC_REG(0x1f4),
-            },
-            /* Jumbo frames */
-            {
-            /* crb_rcv_producer_offset: */
-            NETXEN_NIC_REG(0x1f8),
-            /* crb_rcv_consumer_offset: */
-            NETXEN_NIC_REG(0x1fc),
-            /* crb_gloablrcv_ring: */
-            NETXEN_NIC_REG(0x200),
-            /* crb_rcv_ring_size */
-            NETXEN_NIC_REG(0x204),
-            },
-            /* LRO */
-            {
-            /* crb_rcv_producer_offset: */
-            NETXEN_NIC_REG(0x208),
-            /* crb_rcv_consumer_offset: */
-            NETXEN_NIC_REG(0x20c),
-            /* crb_gloablrcv_ring: */
-            NETXEN_NIC_REG(0x210),
-            /* crb_rcv_ring_size */
-            NETXEN_NIC_REG(0x214),
-            }
-          },
-          /* crb_rcvstatus_ring: */
-          NETXEN_NIC_REG(0x218),
-          /* crb_rcv_status_producer: */
-          NETXEN_NIC_REG(0x21c),
-          /* crb_rcv_status_consumer: */
-          NETXEN_NIC_REG(0x220),
-          /* crb_rcvpeg_state: */
-          NETXEN_NIC_REG(0x224),
-          /* crb_status_ring_size */
-          NETXEN_NIC_REG(0x228),
-        },
-        /*
-         * Instance 3,
-         */
-        {
-          {
-            {
-            /* crb_rcv_producer_offset: */
-            NETXEN_NIC_REG(0x22c),
-            /* crb_rcv_consumer_offset: */
-            NETXEN_NIC_REG(0x230),
-            /* crb_gloablrcv_ring: */
-            NETXEN_NIC_REG(0x234),
-            /* crb_rcv_ring_size */
-            NETXEN_NIC_REG(0x238),
-            },
-            /* Jumbo frames */
-            {
-            /* crb_rcv_producer_offset: */
-            NETXEN_NIC_REG(0x23c),
-            /* crb_rcv_consumer_offset: */
-            NETXEN_NIC_REG(0x240),
-            /* crb_gloablrcv_ring: */
-            NETXEN_NIC_REG(0x244),
-            /* crb_rcv_ring_size */
-            NETXEN_NIC_REG(0x248),
-            },
-            /* LRO */
-            {
-            /* crb_rcv_producer_offset: */
-            NETXEN_NIC_REG(0x24c),
-            /* crb_rcv_consumer_offset: */
-            NETXEN_NIC_REG(0x250),
-            /* crb_gloablrcv_ring: */
-            NETXEN_NIC_REG(0x254),
-            /* crb_rcv_ring_size */
-            NETXEN_NIC_REG(0x258),
-            }
-          },
-          /* crb_rcvstatus_ring: */
-          NETXEN_NIC_REG(0x25c),
-          /* crb_rcv_status_producer: */
-          NETXEN_NIC_REG(0x260),
-          /* crb_rcv_status_consumer: */
-          NETXEN_NIC_REG(0x264),
-          /* crb_rcvpeg_state: */
-          NETXEN_NIC_REG(0x268),
-          /* crb_status_ring_size */
-          NETXEN_NIC_REG(0x26c),
-        },
+#define MASK(n) ((1ULL<<(n))-1)
+#define MN_WIN(addr) (((addr & 0x1fc0000) >> 1) | ((addr >> 25) & 0x3ff))
+#define OCM_WIN(addr) (((addr & 0x1ff0000) >> 1) | ((addr >> 25) & 0x3ff))
+#define MS_WIN(addr) (addr & 0x0ffc0000)
+
+#define GET_MEM_OFFS_2M(addr) (addr & MASK(18))
+
+#define CRB_BLK(off)    ((off >> 20) & 0x3f)
+#define CRB_SUBBLK(off) ((off >> 16) & 0xf)
+#define CRB_WINDOW_2M   (0x130060)
+#define CRB_HI(off)     ((crb_hub_agt[CRB_BLK(off)] << 20) | ((off) & 0xf0000))
+#define CRB_INDIRECT_2M (0x1e0000UL)
+
+#define CRB_WIN_LOCK_TIMEOUT 100000000
+static crb_128M_2M_block_map_t crb_128M_2M_map[64] = {
+    {{{0, 0,         0,         0} } },         /* 0: PCI */
+    {{{1, 0x0100000, 0x0102000, 0x120000},      /* 1: PCIE */
+          {1, 0x0110000, 0x0120000, 0x130000},
+          {1, 0x0120000, 0x0122000, 0x124000},
+          {1, 0x0130000, 0x0132000, 0x126000},
+          {1, 0x0140000, 0x0142000, 0x128000},
+          {1, 0x0150000, 0x0152000, 0x12a000},
+          {1, 0x0160000, 0x0170000, 0x110000},
+          {1, 0x0170000, 0x0172000, 0x12e000},
+          {0, 0x0000000, 0x0000000, 0x000000},
+          {0, 0x0000000, 0x0000000, 0x000000},
+          {0, 0x0000000, 0x0000000, 0x000000},
+          {0, 0x0000000, 0x0000000, 0x000000},
+          {0, 0x0000000, 0x0000000, 0x000000},
+          {0, 0x0000000, 0x0000000, 0x000000},
+          {1, 0x01e0000, 0x01e0800, 0x122000},
+          {0, 0x0000000, 0x0000000, 0x000000} } },
+        {{{1, 0x0200000, 0x0210000, 0x180000} } },/* 2: MN */
+    {{{0, 0,         0,         0} } },     /* 3: */
+    {{{1, 0x0400000, 0x0401000, 0x169000} } },/* 4: P2NR1 */
+    {{{1, 0x0500000, 0x0510000, 0x140000} } },/* 5: SRE   */
+    {{{1, 0x0600000, 0x0610000, 0x1c0000} } },/* 6: NIU   */
+    {{{1, 0x0700000, 0x0704000, 0x1b8000} } },/* 7: QM    */
+    {{{1, 0x0800000, 0x0802000, 0x170000},  /* 8: SQM0  */
+      {0, 0x0000000, 0x0000000, 0x000000},
+      {0, 0x0000000, 0x0000000, 0x000000},
+      {0, 0x0000000, 0x0000000, 0x000000},
+      {0, 0x0000000, 0x0000000, 0x000000},
+      {0, 0x0000000, 0x0000000, 0x000000},
+      {0, 0x0000000, 0x0000000, 0x000000},
+      {0, 0x0000000, 0x0000000, 0x000000},
+      {0, 0x0000000, 0x0000000, 0x000000},
+      {0, 0x0000000, 0x0000000, 0x000000},
+      {0, 0x0000000, 0x0000000, 0x000000},
+      {0, 0x0000000, 0x0000000, 0x000000},
+      {0, 0x0000000, 0x0000000, 0x000000},
+      {0, 0x0000000, 0x0000000, 0x000000},
+      {0, 0x0000000, 0x0000000, 0x000000},
+      {1, 0x08f0000, 0x08f2000, 0x172000} } },
+    {{{1, 0x0900000, 0x0902000, 0x174000},      /* 9: SQM1*/
+      {0, 0x0000000, 0x0000000, 0x000000},
+      {0, 0x0000000, 0x0000000, 0x000000},
+      {0, 0x0000000, 0x0000000, 0x000000},
+      {0, 0x0000000, 0x0000000, 0x000000},
+      {0, 0x0000000, 0x0000000, 0x000000},
+      {0, 0x0000000, 0x0000000, 0x000000},
+      {0, 0x0000000, 0x0000000, 0x000000},
+      {0, 0x0000000, 0x0000000, 0x000000},
+      {0, 0x0000000, 0x0000000, 0x000000},
+      {0, 0x0000000, 0x0000000, 0x000000},
+      {0, 0x0000000, 0x0000000, 0x000000},
+      {0, 0x0000000, 0x0000000, 0x000000},
+      {0, 0x0000000, 0x0000000, 0x000000},
+      {0, 0x0000000, 0x0000000, 0x000000},
+      {1, 0x09f0000, 0x09f2000, 0x176000} } },
+    {{{0, 0x0a00000, 0x0a02000, 0x178000},      /* 10: SQM2*/
+      {0, 0x0000000, 0x0000000, 0x000000},
+      {0, 0x0000000, 0x0000000, 0x000000},
+      {0, 0x0000000, 0x0000000, 0x000000},
+      {0, 0x0000000, 0x0000000, 0x000000},
+      {0, 0x0000000, 0x0000000, 0x000000},
+      {0, 0x0000000, 0x0000000, 0x000000},
+      {0, 0x0000000, 0x0000000, 0x000000},
+      {0, 0x0000000, 0x0000000, 0x000000},
+      {0, 0x0000000, 0x0000000, 0x000000},
+      {0, 0x0000000, 0x0000000, 0x000000},
+      {0, 0x0000000, 0x0000000, 0x000000},
+      {0, 0x0000000, 0x0000000, 0x000000},
+      {0, 0x0000000, 0x0000000, 0x000000},
+      {0, 0x0000000, 0x0000000, 0x000000},
+      {1, 0x0af0000, 0x0af2000, 0x17a000} } },
+    {{{0, 0x0b00000, 0x0b02000, 0x17c000},      /* 11: SQM3*/
+      {0, 0x0000000, 0x0000000, 0x000000},
+      {0, 0x0000000, 0x0000000, 0x000000},
+      {0, 0x0000000, 0x0000000, 0x000000},
+      {0, 0x0000000, 0x0000000, 0x000000},
+      {0, 0x0000000, 0x0000000, 0x000000},
+      {0, 0x0000000, 0x0000000, 0x000000},
+      {0, 0x0000000, 0x0000000, 0x000000},
+      {0, 0x0000000, 0x0000000, 0x000000},
+      {0, 0x0000000, 0x0000000, 0x000000},
+      {0, 0x0000000, 0x0000000, 0x000000},
+      {0, 0x0000000, 0x0000000, 0x000000},
+      {0, 0x0000000, 0x0000000, 0x000000},
+      {0, 0x0000000, 0x0000000, 0x000000},
+      {0, 0x0000000, 0x0000000, 0x000000},
+      {1, 0x0bf0000, 0x0bf2000, 0x17e000} } },
+        {{{1, 0x0c00000, 0x0c04000, 0x1d4000} } },/* 12: I2Q */
+        {{{1, 0x0d00000, 0x0d04000, 0x1a4000} } },/* 13: TMR */
+        {{{1, 0x0e00000, 0x0e04000, 0x1a0000} } },/* 14: ROMUSB */
+        {{{1, 0x0f00000, 0x0f01000, 0x164000} } },/* 15: PEG4 */
+        {{{0, 0x1000000, 0x1004000, 0x1a8000} } },/* 16: XDMA */
+        {{{1, 0x1100000, 0x1101000, 0x160000} } },/* 17: PEG0 */
+        {{{1, 0x1200000, 0x1201000, 0x161000} } },/* 18: PEG1 */
+        {{{1, 0x1300000, 0x1301000, 0x162000} } },/* 19: PEG2 */
+        {{{1, 0x1400000, 0x1401000, 0x163000} } },/* 20: PEG3 */
+        {{{1, 0x1500000, 0x1501000, 0x165000} } },/* 21: P2ND */
+        {{{1, 0x1600000, 0x1601000, 0x166000} } },/* 22: P2NI */
+        {{{0, 0,         0,         0} } },     /* 23: */
+        {{{0, 0,         0,         0} } },     /* 24: */
+        {{{0, 0,         0,         0} } },     /* 25: */
+        {{{0, 0,         0,         0} } },     /* 26: */
+        {{{0, 0,         0,         0} } },     /* 27: */
+        {{{0, 0,         0,         0} } },     /* 28: */
+        {{{1, 0x1d00000, 0x1d10000, 0x190000} } },/* 29: MS */
+    {{{1, 0x1e00000, 0x1e01000, 0x16a000} } },/* 30: P2NR2 */
+    {{{1, 0x1f00000, 0x1f10000, 0x150000} } },/* 31: EPG */
+        {{{0} } },                              /* 32: PCI */
+        {{{1, 0x2100000, 0x2102000, 0x120000},  /* 33: PCIE */
+          {1, 0x2110000, 0x2120000, 0x130000},
+          {1, 0x2120000, 0x2122000, 0x124000},
+          {1, 0x2130000, 0x2132000, 0x126000},
+          {1, 0x2140000, 0x2142000, 0x128000},
+          {1, 0x2150000, 0x2152000, 0x12a000},
+          {1, 0x2160000, 0x2170000, 0x110000},
+          {1, 0x2170000, 0x2172000, 0x12e000},
+          {0, 0x0000000, 0x0000000, 0x000000},
+          {0, 0x0000000, 0x0000000, 0x000000},
+          {0, 0x0000000, 0x0000000, 0x000000},
+          {0, 0x0000000, 0x0000000, 0x000000},
+          {0, 0x0000000, 0x0000000, 0x000000},
+          {0, 0x0000000, 0x0000000, 0x000000},
+          {0, 0x0000000, 0x0000000, 0x000000},
+          {0, 0x0000000, 0x0000000, 0x000000} } },
+        {{{1, 0x2200000, 0x2204000, 0x1b0000} } },/* 34: CAM */
+        {{{0} } },                              /* 35: */
+        {{{0} } },                              /* 36: */
+        {{{0} } },                              /* 37: */
+        {{{0} } },                              /* 38: */
+        {{{0} } },                              /* 39: */
+        {{{1, 0x2800000, 0x2804000, 0x1a4000} } },/* 40: TMR */
+        {{{1, 0x2900000, 0x2901000, 0x16b000} } },/* 41: P2NR3 */
+        {{{1, 0x2a00000, 0x2a00400, 0x1ac400} } },/* 42: RPMX1 */
+        {{{1, 0x2b00000, 0x2b00400, 0x1ac800} } },/* 43: RPMX2 */
+        {{{1, 0x2c00000, 0x2c00400, 0x1acc00} } },/* 44: RPMX3 */
+        {{{1, 0x2d00000, 0x2d00400, 0x1ad000} } },/* 45: RPMX4 */
+        {{{1, 0x2e00000, 0x2e00400, 0x1ad400} } },/* 46: RPMX5 */
+        {{{1, 0x2f00000, 0x2f00400, 0x1ad800} } },/* 47: RPMX6 */
+        {{{1, 0x3000000, 0x3000400, 0x1adc00} } },/* 48: RPMX7 */
+        {{{0, 0x3100000, 0x3104000, 0x1a8000} } },/* 49: XDMA */
+        {{{1, 0x3200000, 0x3204000, 0x1d4000} } },/* 50: I2Q */
+        {{{1, 0x3300000, 0x3304000, 0x1a0000} } },/* 51: ROMUSB */
+        {{{0} } },                              /* 52: */
+        {{{1, 0x3500000, 0x3500400, 0x1ac000} } },/* 53: RPMX0 */
+        {{{1, 0x3600000, 0x3600400, 0x1ae000} } },/* 54: RPMX8 */
+        {{{1, 0x3700000, 0x3700400, 0x1ae400} } },/* 55: RPMX9 */
+        {{{1, 0x3800000, 0x3804000, 0x1d0000} } },/* 56: OCM0 */
+        {{{1, 0x3900000, 0x3904000, 0x1b4000} } },/* 57: CRYPTO */
+        {{{1, 0x3a00000, 0x3a04000, 0x1d8000} } },/* 58: SMB */
+        {{{0} } },                              /* 59: I2C0 */
+        {{{0} } },                              /* 60: I2C1 */
+        {{{1, 0x3d00000, 0x3d04000, 0x1d8000} } },/* 61: LPC */
+        {{{1, 0x3e00000, 0x3e01000, 0x167000} } },/* 62: P2NC */
+        {{{1, 0x3f00000, 0x3f01000, 0x168000} } }       /* 63: P2NR0 */
 };
 
-static u64 ctx_addr_sig_regs[][3] = {
-        {NETXEN_NIC_REG(0x188), NETXEN_NIC_REG(0x18c), NETXEN_NIC_REG(0x1c0)},
-        {NETXEN_NIC_REG(0x190), NETXEN_NIC_REG(0x194), NETXEN_NIC_REG(0x1c4)},
-        {NETXEN_NIC_REG(0x198), NETXEN_NIC_REG(0x19c), NETXEN_NIC_REG(0x1c8)},
-        {NETXEN_NIC_REG(0x1a0), NETXEN_NIC_REG(0x1a4), NETXEN_NIC_REG(0x1cc)}
+/*
+ * top 12 bits of crb internal address (hub, agent)
+ */
+static unsigned crb_hub_agt[64] =
+{
+        0,
+        NETXEN_HW_CRB_HUB_AGT_ADR_PS,
+        NETXEN_HW_CRB_HUB_AGT_ADR_MN,
+        NETXEN_HW_CRB_HUB_AGT_ADR_MS,
+        0,
+        NETXEN_HW_CRB_HUB_AGT_ADR_SRE,
+        NETXEN_HW_CRB_HUB_AGT_ADR_NIU,
+        NETXEN_HW_CRB_HUB_AGT_ADR_QMN,
+        NETXEN_HW_CRB_HUB_AGT_ADR_SQN0,
+        NETXEN_HW_CRB_HUB_AGT_ADR_SQN1,
+        NETXEN_HW_CRB_HUB_AGT_ADR_SQN2,
+        NETXEN_HW_CRB_HUB_AGT_ADR_SQN3,
+        NETXEN_HW_CRB_HUB_AGT_ADR_I2Q,
+        NETXEN_HW_CRB_HUB_AGT_ADR_TIMR,
+        NETXEN_HW_CRB_HUB_AGT_ADR_ROMUSB,
+        NETXEN_HW_CRB_HUB_AGT_ADR_PGN4,
+        NETXEN_HW_CRB_HUB_AGT_ADR_XDMA,
+        NETXEN_HW_CRB_HUB_AGT_ADR_PGN0,
+        NETXEN_HW_CRB_HUB_AGT_ADR_PGN1,
+        NETXEN_HW_CRB_HUB_AGT_ADR_PGN2,
+        NETXEN_HW_CRB_HUB_AGT_ADR_PGN3,
+        NETXEN_HW_CRB_HUB_AGT_ADR_PGND,
+        NETXEN_HW_CRB_HUB_AGT_ADR_PGNI,
+        NETXEN_HW_CRB_HUB_AGT_ADR_PGS0,
+        NETXEN_HW_CRB_HUB_AGT_ADR_PGS1,
+        NETXEN_HW_CRB_HUB_AGT_ADR_PGS2,
+        NETXEN_HW_CRB_HUB_AGT_ADR_PGS3,
+        0,
+        NETXEN_HW_CRB_HUB_AGT_ADR_PGSI,
+        NETXEN_HW_CRB_HUB_AGT_ADR_SN,
+        0,
+        NETXEN_HW_CRB_HUB_AGT_ADR_EG,
+        0,
+        NETXEN_HW_CRB_HUB_AGT_ADR_PS,
+        NETXEN_HW_CRB_HUB_AGT_ADR_CAM,
+        0,
+        0,
+        0,
+        0,
+        0,
+        NETXEN_HW_CRB_HUB_AGT_ADR_TIMR,
+        0,
+        NETXEN_HW_CRB_HUB_AGT_ADR_RPMX1,
+        NETXEN_HW_CRB_HUB_AGT_ADR_RPMX2,
+        NETXEN_HW_CRB_HUB_AGT_ADR_RPMX3,
+        NETXEN_HW_CRB_HUB_AGT_ADR_RPMX4,
+        NETXEN_HW_CRB_HUB_AGT_ADR_RPMX5,
+        NETXEN_HW_CRB_HUB_AGT_ADR_RPMX6,
+        NETXEN_HW_CRB_HUB_AGT_ADR_RPMX7,
+        NETXEN_HW_CRB_HUB_AGT_ADR_XDMA,
+        NETXEN_HW_CRB_HUB_AGT_ADR_I2Q,
+        NETXEN_HW_CRB_HUB_AGT_ADR_ROMUSB,
+        0,
+        NETXEN_HW_CRB_HUB_AGT_ADR_RPMX0,
+        NETXEN_HW_CRB_HUB_AGT_ADR_RPMX8,
+        NETXEN_HW_CRB_HUB_AGT_ADR_RPMX9,
+        NETXEN_HW_CRB_HUB_AGT_ADR_OCM0,
+        0,
+        NETXEN_HW_CRB_HUB_AGT_ADR_SMB,
+        NETXEN_HW_CRB_HUB_AGT_ADR_I2C0,
+        NETXEN_HW_CRB_HUB_AGT_ADR_I2C1,
+        0,
+        NETXEN_HW_CRB_HUB_AGT_ADR_PGNC,
+        0,
 };
-#define CRB_CTX_ADDR_REG_LO(FUNC_ID)            (ctx_addr_sig_regs[FUNC_ID][0])
-#define CRB_CTX_ADDR_REG_HI(FUNC_ID)            (ctx_addr_sig_regs[FUNC_ID][2])
-#define CRB_CTX_SIGNATURE_REG(FUNC_ID)          (ctx_addr_sig_regs[FUNC_ID][1])
-
 
 /*  PCI Windowing for DDR regions.  */
 
 #define ADDR_IN_RANGE(addr, low, high)  \
         (((addr) <= (high)) && ((addr) >= (low)))
 
-#define NETXEN_FLASH_BASE       (NETXEN_BOOTLD_START)
-#define NETXEN_PHANTOM_MEM_BASE (NETXEN_FLASH_BASE)
 #define NETXEN_MAX_MTU          8000 + NETXEN_ENET_HEADER_SIZE + NETXEN_ETH_FCS_SIZE
 #define NETXEN_MIN_MTU          64
 #define NETXEN_ETH_FCS_SIZE     4
 #define NETXEN_ENET_HEADER_SIZE 14
-#define NETXEN_WINDOW_ONE       0x2000000       /*CRB Window: bit 25 of CRB address */
+#define NETXEN_WINDOW_ONE       0x2000000 /*CRB Window: bit 25 of CRB address */
 #define NETXEN_FIRMWARE_LEN     ((16 * 1024) / 4)
 #define NETXEN_NIU_HDRSIZE      (0x1 << 6)
 #define NETXEN_NIU_TLRSIZE      (0x1 << 5)
 
-#define lower32(x)              ((u32)((x) & 0xffffffff))
-#define upper32(x)                      \
-        ((u32)(((unsigned long long)(x) >> 32) & 0xffffffff))
-
 #define NETXEN_NIC_ZERO_PAUSE_ADDR     0ULL
 #define NETXEN_NIC_UNIT_PAUSE_ADDR     0x200ULL
 #define NETXEN_NIC_EPG_PAUSE_ADDR1     0x2200010000c28001ULL
@@ -281,10 +301,6 @@ static u64 ctx_addr_sig_regs[][3] = {
 
 #define NETXEN_NIC_WINDOW_MARGIN 0x100000
 
-static unsigned long netxen_nic_pci_set_window(struct netxen_adapter *adapter,
-                                               unsigned long long addr);
-void netxen_free_hw_resources(struct netxen_adapter *adapter);
-
 int netxen_nic_set_mac(struct net_device *netdev, void *p)
 {
         struct netxen_adapter *adapter = netdev_priv(netdev);
@@ -296,266 +312,370 @@ int netxen_nic_set_mac(struct net_device *netdev, void *p)
         if (!is_valid_ether_addr(addr->sa_data))
                 return -EADDRNOTAVAIL;
 
-        DPRINTK(INFO, "valid ether addr\n");
         memcpy(netdev->dev_addr, addr->sa_data, netdev->addr_len);
 
-        if (adapter->macaddr_set)
-                adapter->macaddr_set(adapter, addr->sa_data);
+        /* For P3, MAC addr is not set in NIU */
+        if (NX_IS_REVISION_P2(adapter->ahw.revision_id))
+                if (adapter->macaddr_set)
+                        adapter->macaddr_set(adapter, addr->sa_data);
 
         return 0;
 }
 
-/*
- * netxen_nic_set_multi - Multicast
- */
-void netxen_nic_set_multi(struct net_device *netdev)
+#define NETXEN_UNICAST_ADDR(port, index) \
+        (NETXEN_UNICAST_ADDR_BASE+(port*32)+(index*8))
+#define NETXEN_MCAST_ADDR(port, index) \
+        (NETXEN_MULTICAST_ADDR_BASE+(port*0x80)+(index*8))
+#define MAC_HI(addr) \
+        ((addr[2] << 16) | (addr[1] << 8) | (addr[0]))
+#define MAC_LO(addr) \
+        ((addr[5] << 16) | (addr[4] << 8) | (addr[3]))
+
+static int
+netxen_nic_enable_mcast_filter(struct netxen_adapter *adapter)
+{
+        u32     val = 0;
+        u16 port = adapter->physical_port;
+        u8 *addr = adapter->netdev->dev_addr;
+
+        if (adapter->mc_enabled)
+                return 0;
+
+        adapter->hw_read_wx(adapter, NETXEN_MAC_ADDR_CNTL_REG, &val, 4);
+        val |= (1UL << (28+port));
+        adapter->hw_write_wx(adapter, NETXEN_MAC_ADDR_CNTL_REG, &val, 4);
+
+        /* add broadcast addr to filter */
+        val = 0xffffff;
+        netxen_crb_writelit_adapter(adapter, NETXEN_UNICAST_ADDR(port, 0), val);
+        netxen_crb_writelit_adapter(adapter,
+                        NETXEN_UNICAST_ADDR(port, 0)+4, val);
+
+        /* add station addr to filter */
+        val = MAC_HI(addr);
+        netxen_crb_writelit_adapter(adapter, NETXEN_UNICAST_ADDR(port, 1), val);
+        val = MAC_LO(addr);
+        netxen_crb_writelit_adapter(adapter,
+                        NETXEN_UNICAST_ADDR(port, 1)+4, val);
+
+        adapter->mc_enabled = 1;
+        return 0;
+}
+
+static int
+netxen_nic_disable_mcast_filter(struct netxen_adapter *adapter)
+{
+        u32     val = 0;
+        u16 port = adapter->physical_port;
+        u8 *addr = adapter->netdev->dev_addr;
+
+        if (!adapter->mc_enabled)
+                return 0;
+
+        adapter->hw_read_wx(adapter, NETXEN_MAC_ADDR_CNTL_REG, &val, 4);
+        val &= ~(1UL << (28+port));
+        adapter->hw_write_wx(adapter, NETXEN_MAC_ADDR_CNTL_REG, &val, 4);
+
+        val = MAC_HI(addr);
+        netxen_crb_writelit_adapter(adapter, NETXEN_UNICAST_ADDR(port, 0), val);
+        val = MAC_LO(addr);
+        netxen_crb_writelit_adapter(adapter,
+                        NETXEN_UNICAST_ADDR(port, 0)+4, val);
+
+        netxen_crb_writelit_adapter(adapter, NETXEN_UNICAST_ADDR(port, 1), 0);
+        netxen_crb_writelit_adapter(adapter, NETXEN_UNICAST_ADDR(port, 1)+4, 0);
+
+        adapter->mc_enabled = 0;
+        return 0;
+}
+
+static int
+netxen_nic_set_mcast_addr(struct netxen_adapter *adapter,
+                int index, u8 *addr)
+{
+        u32 hi = 0, lo = 0;
+        u16 port = adapter->physical_port;
+
+        lo = MAC_LO(addr);
+        hi = MAC_HI(addr);
+
+        netxen_crb_writelit_adapter(adapter,
+                        NETXEN_MCAST_ADDR(port, index), hi);
+        netxen_crb_writelit_adapter(adapter,
+                        NETXEN_MCAST_ADDR(port, index)+4, lo);
+
+        return 0;
+}
+
+void netxen_p2_nic_set_multi(struct net_device *netdev)
 {
         struct netxen_adapter *adapter = netdev_priv(netdev);
         struct dev_mc_list *mc_ptr;
+        u8 null_addr[6];
+        int index = 0;
+
+        memset(null_addr, 0, 6);
 
-        mc_ptr = netdev->mc_list;
         if (netdev->flags & IFF_PROMISC) {
-                if (adapter->set_promisc)
-                        adapter->set_promisc(adapter,
-                                             NETXEN_NIU_PROMISC_MODE);
-        } else {
-                if (adapter->unset_promisc)
-                        adapter->unset_promisc(adapter,
-                                               NETXEN_NIU_NON_PROMISC_MODE);
+
+                adapter->set_promisc(adapter,
+                                NETXEN_NIU_PROMISC_MODE);
+
+                /* Full promiscuous mode */
+                netxen_nic_disable_mcast_filter(adapter);
+
+                return;
+        }
+
+        if (netdev->mc_count == 0) {
+                adapter->set_promisc(adapter,
+                                NETXEN_NIU_NON_PROMISC_MODE);
+                netxen_nic_disable_mcast_filter(adapter);
+                return;
         }
+
+        adapter->set_promisc(adapter, NETXEN_NIU_ALLMULTI_MODE);
+        if (netdev->flags & IFF_ALLMULTI ||
+                        netdev->mc_count > adapter->max_mc_count) {
+                netxen_nic_disable_mcast_filter(adapter);
+                return;
+        }
+
+        netxen_nic_enable_mcast_filter(adapter);
+
+        for (mc_ptr = netdev->mc_list; mc_ptr; mc_ptr = mc_ptr->next, index++)
+                netxen_nic_set_mcast_addr(adapter, index, mc_ptr->dmi_addr);
+
+        if (index != netdev->mc_count)
+                printk(KERN_WARNING "%s: %s multicast address count mismatch\n",
+                        netxen_nic_driver_name, netdev->name);
+
+        /* Clear out remaining addresses */
+        for (; index < adapter->max_mc_count; index++)
+                netxen_nic_set_mcast_addr(adapter, index, null_addr);
 }
 
-/*
- * netxen_nic_change_mtu - Change the Maximum Transfer Unit
- * @returns 0 on success, negative on failure
- */
-int netxen_nic_change_mtu(struct net_device *netdev, int mtu)
+static int nx_p3_nic_add_mac(struct netxen_adapter *adapter,
+                u8 *addr, nx_mac_list_t **add_list, nx_mac_list_t **del_list)
 {
-        struct netxen_adapter *adapter = netdev_priv(netdev);
-        int eff_mtu = mtu + NETXEN_ENET_HEADER_SIZE + NETXEN_ETH_FCS_SIZE;
+        nx_mac_list_t *cur, *prev;
+
+        /* if in del_list, move it to adapter->mac_list */
+        for (cur = *del_list, prev = NULL; cur;) {
+                if (memcmp(addr, cur->mac_addr, ETH_ALEN) == 0) {
+                        if (prev == NULL)
+                                *del_list = cur->next;
+                        else
+                                prev->next = cur->next;
+                        cur->next = adapter->mac_list;
+                        adapter->mac_list = cur;
+                        return 0;
+                }
+                prev = cur;
+                cur = cur->next;
+        }
+
+        /* make sure to add each mac address only once */
+        for (cur = adapter->mac_list; cur; cur = cur->next) {
+                if (memcmp(addr, cur->mac_addr, ETH_ALEN) == 0)
+                        return 0;
+        }
+        /* not in del_list, create new entry and add to add_list */
+        cur = kmalloc(sizeof(*cur), in_atomic()? GFP_ATOMIC : GFP_KERNEL);
+        if (cur == NULL) {
+                printk(KERN_ERR "%s: cannot allocate memory. MAC filtering may"
+                                "not work properly from now.\n", __func__);
+                return -1;
+        }
 
-        if ((eff_mtu > NETXEN_MAX_MTU) || (eff_mtu < NETXEN_MIN_MTU)) {
-                printk(KERN_ERR "%s: %s %d is not supported.\n",
-                       netxen_nic_driver_name, netdev->name, mtu);
+        memcpy(cur->mac_addr, addr, ETH_ALEN);
+        cur->next = *add_list;
+        *add_list = cur;
+        return 0;
+}
+
+static int
+netxen_send_cmd_descs(struct netxen_adapter *adapter,
+                struct cmd_desc_type0 *cmd_desc_arr, int nr_elements)
+{
+        uint32_t i, producer;
+        struct netxen_cmd_buffer *pbuf;
+        struct cmd_desc_type0 *cmd_desc;
+
+        if (nr_elements > MAX_PENDING_DESC_BLOCK_SIZE || nr_elements == 0) {
+                printk(KERN_WARNING "%s: Too many command descriptors in a "
+                              "request\n", __func__);
                 return -EINVAL;
         }
 
-        if (adapter->set_mtu)
-                adapter->set_mtu(adapter, mtu);
-        netdev->mtu = mtu;
+        i = 0;
+
+        producer = adapter->cmd_producer;
+        do {
+                cmd_desc = &cmd_desc_arr[i];
+
+                pbuf = &adapter->cmd_buf_arr[producer];
+                pbuf->mss = 0;
+                pbuf->total_length = 0;
+                pbuf->skb = NULL;
+                pbuf->cmd = 0;
+                pbuf->frag_count = 0;
+                pbuf->port = 0;
+
+                /* adapter->ahw.cmd_desc_head[producer] = *cmd_desc; */
+                memcpy(&adapter->ahw.cmd_desc_head[producer],
+                        &cmd_desc_arr[i], sizeof(struct cmd_desc_type0));
+
+                producer = get_next_index(producer,
+                                adapter->max_tx_desc_count);
+                i++;
+
+        } while (i != nr_elements);
+
+        adapter->cmd_producer = producer;
+
+        /* write producer index to start the xmit */
+
+        netxen_nic_update_cmd_producer(adapter, adapter->cmd_producer);
 
         return 0;
 }
 
-/*
- * check if the firmware has been downloaded and ready to run  and
- * setup the address for the descriptors in the adapter
- */
-int netxen_nic_hw_resources(struct netxen_adapter *adapter)
+#define NIC_REQUEST             0x14
+#define NETXEN_MAC_EVENT        0x1
+
+static int nx_p3_sre_macaddr_change(struct net_device *dev,
+                u8 *addr, unsigned op)
 {
-        struct netxen_hardware_context *hw = &adapter->ahw;
-        u32 state = 0;
-        void *addr;
-        int loops = 0, err = 0;
-        int ctx, ring;
-        struct netxen_recv_context *recv_ctx;
-        struct netxen_rcv_desc_ctx *rcv_desc;
-        int func_id = adapter->portnum;
-
-        DPRINTK(INFO, "crb_base: %lx %x", NETXEN_PCI_CRBSPACE,
-                PCI_OFFSET_SECOND_RANGE(adapter, NETXEN_PCI_CRBSPACE));
-        DPRINTK(INFO, "cam base: %lx %x", NETXEN_CRB_CAM,
-                pci_base_offset(adapter, NETXEN_CRB_CAM));
-        DPRINTK(INFO, "cam RAM: %lx %x", NETXEN_CAM_RAM_BASE,
-                pci_base_offset(adapter, NETXEN_CAM_RAM_BASE));
-
-
-        for (ctx = 0; ctx < MAX_RCV_CTX; ++ctx) {
-                DPRINTK(INFO, "Command Peg ready..waiting for rcv peg\n");
-                loops = 0;
-                state = 0;
-                /* Window 1 call */
-                state = readl(NETXEN_CRB_NORMALIZE(adapter,
-                                                   recv_crb_registers[ctx].
-                                                   crb_rcvpeg_state));
-                while (state != PHAN_PEG_RCV_INITIALIZED && loops < 20) {
-                        msleep(1);
-                        /* Window 1 call */
-                        state = readl(NETXEN_CRB_NORMALIZE(adapter,
-                                                           recv_crb_registers
-                                                           [ctx].
-                                                           crb_rcvpeg_state));
-                        loops++;
-                }
-                if (loops >= 20) {
-                        printk(KERN_ERR "Rcv Peg initialization not complete:"
-                               "%x.\n", state);
-                        err = -EIO;
-                        return err;
-                }
+        struct netxen_adapter *adapter = (struct netxen_adapter *)dev->priv;
+        nx_nic_req_t req;
+        nx_mac_req_t mac_req;
+        int rv;
+
+        memset(&req, 0, sizeof(nx_nic_req_t));
+        req.qhdr |= (NIC_REQUEST << 23);
+        req.req_hdr |= NETXEN_MAC_EVENT;
+        req.req_hdr |= ((u64)adapter->portnum << 16);
+        mac_req.op = op;
+        memcpy(&mac_req.mac_addr, addr, 6);
+        req.words[0] = cpu_to_le64(*(u64 *)&mac_req);
+
+        rv = netxen_send_cmd_descs(adapter, (struct cmd_desc_type0 *)&req, 1);
+        if (rv != 0) {
+                printk(KERN_ERR "ERROR. Could not send mac update\n");
+                return rv;
         }
-        adapter->intr_scheme = readl(
-                NETXEN_CRB_NORMALIZE(adapter, CRB_NIC_CAPABILITIES_FW));
-        adapter->msi_mode = readl(
-                NETXEN_CRB_NORMALIZE(adapter, CRB_NIC_MSI_MODE_FW));
-
-        addr = netxen_alloc(adapter->ahw.pdev,
-                            sizeof(struct netxen_ring_ctx) +
-                            sizeof(uint32_t),
-                            (dma_addr_t *) & adapter->ctx_desc_phys_addr,
-                            &adapter->ctx_desc_pdev);
-
-        if (addr == NULL) {
-                DPRINTK(ERR, "bad return from pci_alloc_consistent\n");
-                err = -ENOMEM;
-                return err;
-        }
-        memset(addr, 0, sizeof(struct netxen_ring_ctx));
-        adapter->ctx_desc = (struct netxen_ring_ctx *)addr;
-        adapter->ctx_desc->ctx_id = cpu_to_le32(adapter->portnum);
-        adapter->ctx_desc->cmd_consumer_offset =
-            cpu_to_le64(adapter->ctx_desc_phys_addr +
-                        sizeof(struct netxen_ring_ctx));
-        adapter->cmd_consumer = (__le32 *) (((char *)addr) +
-                                              sizeof(struct netxen_ring_ctx));
-
-        addr = netxen_alloc(adapter->ahw.pdev,
-                            sizeof(struct cmd_desc_type0) *
-                            adapter->max_tx_desc_count,
-                            (dma_addr_t *) & hw->cmd_desc_phys_addr,
-                            &adapter->ahw.cmd_desc_pdev);
-
-        if (addr == NULL) {
-                DPRINTK(ERR, "bad return from pci_alloc_consistent\n");
-                netxen_free_hw_resources(adapter);
-                return -ENOMEM;
-        }
-
-        adapter->ctx_desc->cmd_ring_addr =
-                cpu_to_le64(hw->cmd_desc_phys_addr);
-        adapter->ctx_desc->cmd_ring_size =
-                cpu_to_le32(adapter->max_tx_desc_count);
-
-        hw->cmd_desc_head = (struct cmd_desc_type0 *)addr;
-
-        for (ctx = 0; ctx < MAX_RCV_CTX; ++ctx) {
-                recv_ctx = &adapter->recv_ctx[ctx];
-
-                for (ring = 0; ring < NUM_RCV_DESC_RINGS; ring++) {
-                        rcv_desc = &recv_ctx->rcv_desc[ring];
-                        addr = netxen_alloc(adapter->ahw.pdev,
-                                            RCV_DESC_RINGSIZE,
-                                            &rcv_desc->phys_addr,
-                                            &rcv_desc->phys_pdev);
-                        if (addr == NULL) {
-                                DPRINTK(ERR, "bad return from "
-                                        "pci_alloc_consistent\n");
-                                netxen_free_hw_resources(adapter);
-                                err = -ENOMEM;
-                                return err;
-                        }
-                        rcv_desc->desc_head = (struct rcv_desc *)addr;
-                        adapter->ctx_desc->rcv_ctx[ring].rcv_ring_addr =
-                            cpu_to_le64(rcv_desc->phys_addr);
-                        adapter->ctx_desc->rcv_ctx[ring].rcv_ring_size =
-                            cpu_to_le32(rcv_desc->max_rx_desc_count);
-                }
 
-                addr = netxen_alloc(adapter->ahw.pdev, STATUS_DESC_RINGSIZE,
-                                    &recv_ctx->rcv_status_desc_phys_addr,
-                                    &recv_ctx->rcv_status_desc_pdev);
-                if (addr == NULL) {
-                        DPRINTK(ERR, "bad return from"
-                                " pci_alloc_consistent\n");
-                        netxen_free_hw_resources(adapter);
-                        err = -ENOMEM;
-                        return err;
-                }
-                recv_ctx->rcv_status_desc_head = (struct status_desc *)addr;
-                adapter->ctx_desc->sts_ring_addr =
-                    cpu_to_le64(recv_ctx->rcv_status_desc_phys_addr);
-                adapter->ctx_desc->sts_ring_size =
-                    cpu_to_le32(adapter->max_rx_desc_count);
-
-        }
-        /* Window = 1 */
-
-        writel(lower32(adapter->ctx_desc_phys_addr),
-               NETXEN_CRB_NORMALIZE(adapter, CRB_CTX_ADDR_REG_LO(func_id)));
-        writel(upper32(adapter->ctx_desc_phys_addr),
-               NETXEN_CRB_NORMALIZE(adapter, CRB_CTX_ADDR_REG_HI(func_id)));
-        writel(NETXEN_CTX_SIGNATURE | func_id,
-               NETXEN_CRB_NORMALIZE(adapter, CRB_CTX_SIGNATURE_REG(func_id)));
-        return err;
+        return 0;
 }
 
-void netxen_free_hw_resources(struct netxen_adapter *adapter)
+void netxen_p3_nic_set_multi(struct net_device *netdev)
 {
-        struct netxen_recv_context *recv_ctx;
-        struct netxen_rcv_desc_ctx *rcv_desc;
-        int ctx, ring;
-
-        if (adapter->ctx_desc != NULL) {
-                pci_free_consistent(adapter->ctx_desc_pdev,
-                                    sizeof(struct netxen_ring_ctx) +
-                                    sizeof(uint32_t),
-                                    adapter->ctx_desc,
-                                    adapter->ctx_desc_phys_addr);
-                adapter->ctx_desc = NULL;
-        }
-
-        if (adapter->ahw.cmd_desc_head != NULL) {
-                pci_free_consistent(adapter->ahw.cmd_desc_pdev,
-                                    sizeof(struct cmd_desc_type0) *
-                                    adapter->max_tx_desc_count,
-                                    adapter->ahw.cmd_desc_head,
-                                    adapter->ahw.cmd_desc_phys_addr);
-                adapter->ahw.cmd_desc_head = NULL;
-        }
-
-        for (ctx = 0; ctx < MAX_RCV_CTX; ++ctx) {
-                recv_ctx = &adapter->recv_ctx[ctx];
-                for (ring = 0; ring < NUM_RCV_DESC_RINGS; ring++) {
-                        rcv_desc = &recv_ctx->rcv_desc[ring];
-
-                        if (rcv_desc->desc_head != NULL) {
-                                pci_free_consistent(rcv_desc->phys_pdev,
-                                                    RCV_DESC_RINGSIZE,
-                                                    rcv_desc->desc_head,
-                                                    rcv_desc->phys_addr);
-                                rcv_desc->desc_head = NULL;
-                        }
-                }
+        struct netxen_adapter *adapter = netdev_priv(netdev);
+        nx_mac_list_t *cur, *next, *del_list, *add_list = NULL;
+        struct dev_mc_list *mc_ptr;
+        u8 bcast_addr[ETH_ALEN] = { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff };
+
+        adapter->set_promisc(adapter, NETXEN_NIU_PROMISC_MODE);
 
-                if (recv_ctx->rcv_status_desc_head != NULL) {
-                        pci_free_consistent(recv_ctx->rcv_status_desc_pdev,
-                                            STATUS_DESC_RINGSIZE,
-                                            recv_ctx->rcv_status_desc_head,
-                                            recv_ctx->
-                                            rcv_status_desc_phys_addr);
-                        recv_ctx->rcv_status_desc_head = NULL;
+        /*
+         * Programming mac addresses will automaticly enabling L2 filtering.
+         * HW will replace timestamp with L2 conid when L2 filtering is
+         * enabled. This causes problem for LSA. Do not enabling L2 filtering
+         * until that problem is fixed.
+         */
+        if ((netdev->flags & IFF_PROMISC) ||
+                        (netdev->mc_count > adapter->max_mc_count))
+                return;
+
+        del_list = adapter->mac_list;
+        adapter->mac_list = NULL;
+
+        nx_p3_nic_add_mac(adapter, netdev->dev_addr, &add_list, &del_list);
+        if (netdev->mc_count > 0) {
+                nx_p3_nic_add_mac(adapter, bcast_addr, &add_list, &del_list);
+                for (mc_ptr = netdev->mc_list; mc_ptr;
+                     mc_ptr = mc_ptr->next) {
+                        nx_p3_nic_add_mac(adapter, mc_ptr->dmi_addr,
+                                          &add_list, &del_list);
                 }
         }
+        for (cur = del_list; cur;) {
+                nx_p3_sre_macaddr_change(netdev, cur->mac_addr, NETXEN_MAC_DEL);
+                next = cur->next;
+                kfree(cur);
+                cur = next;
+        }
+        for (cur = add_list; cur;) {
+                nx_p3_sre_macaddr_change(netdev, cur->mac_addr, NETXEN_MAC_ADD);
+                next = cur->next;
+                cur->next = adapter->mac_list;
+                adapter->mac_list = cur;
+                cur = next;
+        }
 }
 
-void netxen_tso_check(struct netxen_adapter *adapter,
-                      struct cmd_desc_type0 *desc, struct sk_buff *skb)
+#define NETXEN_CONFIG_INTR_COALESCE     3
+
+/*
+ * Send the interrupt coalescing parameter set by ethtool to the card.
+ */
+int netxen_config_intr_coalesce(struct netxen_adapter *adapter)
 {
-        if (desc->mss) {
-                desc->total_hdr_length = (sizeof(struct ethhdr) +
-                                          ip_hdrlen(skb) + tcp_hdrlen(skb));
-                netxen_set_cmd_desc_opcode(desc, TX_TCP_LSO);
-        } else if (skb->ip_summed == CHECKSUM_PARTIAL) {
-                if (ip_hdr(skb)->protocol == IPPROTO_TCP) {
-                        netxen_set_cmd_desc_opcode(desc, TX_TCP_PKT);
-                } else if (ip_hdr(skb)->protocol == IPPROTO_UDP) {
-                        netxen_set_cmd_desc_opcode(desc, TX_UDP_PKT);
-                } else {
-                        return;
-                }
+        nx_nic_req_t req;
+        int rv;
+
+        memset(&req, 0, sizeof(nx_nic_req_t));
+
+        req.qhdr |= (NIC_REQUEST << 23);
+        req.req_hdr |= NETXEN_CONFIG_INTR_COALESCE;
+        req.req_hdr |= ((u64)adapter->portnum << 16);
+
+        memcpy(&req.words[0], &adapter->coal, sizeof(adapter->coal));
+
+        rv = netxen_send_cmd_descs(adapter, (struct cmd_desc_type0 *)&req, 1);
+        if (rv != 0) {
+                printk(KERN_ERR "ERROR. Could not send "
+                        "interrupt coalescing parameters\n");
         }
-        desc->tcp_hdr_offset = skb_transport_offset(skb);
-        desc->ip_hdr_offset = skb_network_offset(skb);
+
+        return rv;
+}
+
+/*
+ * netxen_nic_change_mtu - Change the Maximum Transfer Unit
+ * @returns 0 on success, negative on failure
+ */
+
+#define MTU_FUDGE_FACTOR        100
+
+int netxen_nic_change_mtu(struct net_device *netdev, int mtu)
+{
+        struct netxen_adapter *adapter = netdev_priv(netdev);
+        int max_mtu;
+
+        if (NX_IS_REVISION_P3(adapter->ahw.revision_id))
+                max_mtu = P3_MAX_MTU;
+        else
+                max_mtu = P2_MAX_MTU;
+
+        if (mtu > max_mtu) {
+                printk(KERN_ERR "%s: mtu > %d bytes unsupported\n",
+                                netdev->name, max_mtu);
+                return -EINVAL;
+        }
+
+        if (adapter->set_mtu)
+                adapter->set_mtu(adapter, mtu);
+        netdev->mtu = mtu;
+
+        mtu += MTU_FUDGE_FACTOR;
+        if (NX_IS_REVISION_P3(adapter->ahw.revision_id))
+                nx_fw_cmd_set_mtu(adapter, mtu);
+        else if (adapter->set_mtu)
+                adapter->set_mtu(adapter, mtu);
+
+        return 0;
 }
 
 int netxen_is_flash_supported(struct netxen_adapter *adapter)
@@ -632,41 +752,49 @@ int netxen_get_flash_mac_addr(struct netxen_adapter *adapter, __le64 mac[])
         return 0;
 }
 
+#define CRB_WIN_LOCK_TIMEOUT 100000000
+
+static int crb_win_lock(struct netxen_adapter *adapter)
+{
+        int done = 0, timeout = 0;
+
+        while (!done) {
+                /* acquire semaphore3 from PCI HW block */
+                adapter->hw_read_wx(adapter,
+                                NETXEN_PCIE_REG(PCIE_SEM7_LOCK), &done, 4);
+                if (done == 1)
+                        break;
+                if (timeout >= CRB_WIN_LOCK_TIMEOUT)
+                        return -1;
+                timeout++;
+                udelay(1);
+        }
+        netxen_crb_writelit_adapter(adapter,
+                        NETXEN_CRB_WIN_LOCK_ID, adapter->portnum);
+        return 0;
+}
+
+static void crb_win_unlock(struct netxen_adapter *adapter)
+{
+        int val;
+
+        adapter->hw_read_wx(adapter,
+                        NETXEN_PCIE_REG(PCIE_SEM7_UNLOCK), &val, 4);
+}
+
 /*
  * Changes the CRB window to the specified window.
  */
-void netxen_nic_pci_change_crbwindow(struct netxen_adapter *adapter, u32 wndw)
+void
+netxen_nic_pci_change_crbwindow_128M(struct netxen_adapter *adapter, u32 wndw)
 {
         void __iomem *offset;
         u32 tmp;
         int count = 0;
+        uint8_t func = adapter->ahw.pci_func;
 
         if (adapter->curr_window == wndw)
                 return;
-        switch(adapter->ahw.pci_func) {
-                case 0:
-                        offset = PCI_OFFSET_SECOND_RANGE(adapter,
-                                        NETXEN_PCIX_PH_REG(PCIX_CRB_WINDOW));
-                        break;
-                case 1:
-                        offset = PCI_OFFSET_SECOND_RANGE(adapter,
-                                        NETXEN_PCIX_PH_REG(PCIX_CRB_WINDOW_F1));
-                        break;
-                case 2:
-                        offset = PCI_OFFSET_SECOND_RANGE(adapter,
-                                        NETXEN_PCIX_PH_REG(PCIX_CRB_WINDOW_F2));
-                        break;
-                case 3:
-                        offset = PCI_OFFSET_SECOND_RANGE(adapter,
-                                        NETXEN_PCIX_PH_REG(PCIX_CRB_WINDOW_F3));
-                        break;
-                default:
-                        printk(KERN_INFO "Changing the window for PCI function "
-                                        "%d\n", adapter->ahw.pci_func);
-                        offset = PCI_OFFSET_SECOND_RANGE(adapter,
-                                        NETXEN_PCIX_PH_REG(PCIX_CRB_WINDOW));
-                        break;
-        }
         /*
          * Move the CRB window.
          * We need to write to the "direct access" region of PCI
@@ -675,6 +803,8 @@ void netxen_nic_pci_change_crbwindow(struct netxen_adapter *adapter, u32 wndw)
          * register address is received by PCI. The direct region bypasses
          * the CRB bus.
          */
+        offset = PCI_OFFSET_SECOND_RANGE(adapter,
+                        NETXEN_PCIX_PH_REG(PCIE_CRB_WINDOW_REG(func)));
 
         if (wndw & 0x1)
                 wndw = NETXEN_WINDOW_ONE;
@@ -685,7 +815,7 @@ void netxen_nic_pci_change_crbwindow(struct netxen_adapter *adapter, u32 wndw)
         while ((tmp = readl(offset)) != wndw) {
                 printk(KERN_WARNING "%s: %s WARNING: CRB window value not "
                        "registered properly: 0x%08x.\n",
-                       netxen_nic_driver_name, __FUNCTION__, tmp);
+                       netxen_nic_driver_name, __func__, tmp);
                 mdelay(1);
                 if (count >= 10)
                         break;
@@ -698,51 +828,119 @@ void netxen_nic_pci_change_crbwindow(struct netxen_adapter *adapter, u32 wndw)
                 adapter->curr_window = 0;
 }
 
+/*
+ * Return -1 if off is not valid,
+ *       1 if window access is needed. 'off' is set to offset from
+ *         CRB space in 128M pci map
+ *       0 if no window access is needed. 'off' is set to 2M addr
+ * In: 'off' is offset from base in 128M pci map
+ */
+static int
+netxen_nic_pci_get_crb_addr_2M(struct netxen_adapter *adapter,
+                ulong *off, int len)
+{
+        unsigned long end = *off + len;
+        crb_128M_2M_sub_block_map_t *m;
+
+
+        if (*off >= NETXEN_CRB_MAX)
+                return -1;
+
+        if (*off >= NETXEN_PCI_CAMQM && (end <= NETXEN_PCI_CAMQM_2M_END)) {
+                *off = (*off - NETXEN_PCI_CAMQM) + NETXEN_PCI_CAMQM_2M_BASE +
+                        (ulong)adapter->ahw.pci_base0;
+                return 0;
+        }
+
+        if (*off < NETXEN_PCI_CRBSPACE)
+                return -1;
+
+        *off -= NETXEN_PCI_CRBSPACE;
+        end = *off + len;
+
+        /*
+         * Try direct map
+         */
+        m = &crb_128M_2M_map[CRB_BLK(*off)].sub_block[CRB_SUBBLK(*off)];
+
+        if (m->valid && (m->start_128M <= *off) && (m->end_128M >= end)) {
+                *off = *off + m->start_2M - m->start_128M +
+                        (ulong)adapter->ahw.pci_base0;
+                return 0;
+        }
+
+        /*
+         * Not in direct map, use crb window
+         */
+        return 1;
+}
+
+/*
+ * In: 'off' is offset from CRB space in 128M pci map
+ * Out: 'off' is 2M pci map addr
+ * side effect: lock crb window
+ */
+static void
+netxen_nic_pci_set_crbwindow_2M(struct netxen_adapter *adapter, ulong *off)
+{
+        u32 win_read;
+
+        adapter->crb_win = CRB_HI(*off);
+        writel(adapter->crb_win, (void *)(CRB_WINDOW_2M +
+                adapter->ahw.pci_base0));
+        /*
+         * Read back value to make sure write has gone through before trying
+         * to use it.
+         */
+        win_read = readl((void *)(CRB_WINDOW_2M + adapter->ahw.pci_base0));
+        if (win_read != adapter->crb_win) {
+                printk(KERN_ERR "%s: Written crbwin (0x%x) != "
+                                "Read crbwin (0x%x), off=0x%lx\n",
+                                __func__, adapter->crb_win, win_read, *off);
+        }
+        *off = (*off & MASK(16)) + CRB_INDIRECT_2M +
+                (ulong)adapter->ahw.pci_base0;
+}
+
 int netxen_load_firmware(struct netxen_adapter *adapter)
 {
         int i;
         u32 data, size = 0;
-        u32 flashaddr = NETXEN_FLASH_BASE, memaddr = NETXEN_PHANTOM_MEM_BASE;
-        u64 off;
-        void __iomem *addr;
+        u32 flashaddr = NETXEN_BOOTLD_START, memaddr = NETXEN_BOOTLD_START;
 
-        size = NETXEN_FIRMWARE_LEN;
-        writel(1, NETXEN_CRB_NORMALIZE(adapter, NETXEN_ROMUSB_GLB_CAS_RST));
+        size = (NETXEN_IMAGE_START - NETXEN_BOOTLD_START)/4;
+
+        if (NX_IS_REVISION_P2(adapter->ahw.revision_id))
+                adapter->pci_write_normalize(adapter,
+                                NETXEN_ROMUSB_GLB_CAS_RST, 1);
 
         for (i = 0; i < size; i++) {
-                int retries = 10;
                 if (netxen_rom_fast_read(adapter, flashaddr, (int *)&data) != 0)
                         return -EIO;
 
-                off = netxen_nic_pci_set_window(adapter, memaddr);
-                addr = pci_base_offset(adapter, off);
-                writel(data, addr);
-                do {
-                        if (readl(addr) == data)
-                                break;
-                        msleep(100);
-                        writel(data, addr);
-                } while (--retries);
-                if (!retries) {
-                        printk(KERN_ERR "%s: firmware load aborted, write failed at 0x%x\n",
-                                        netxen_nic_driver_name, memaddr);
-                        return -EIO;
-                }
+                adapter->pci_mem_write(adapter, memaddr, &data, 4);
                 flashaddr += 4;
                 memaddr += 4;
+                cond_resched();
+        }
+        msleep(1);
+
+        if (NX_IS_REVISION_P3(adapter->ahw.revision_id))
+                adapter->pci_write_normalize(adapter,
+                                NETXEN_ROMUSB_GLB_SW_RESET, 0x80001d);
+        else {
+                adapter->pci_write_normalize(adapter,
+                                NETXEN_ROMUSB_GLB_CHIP_CLK_CTRL, 0x3fff);
+                adapter->pci_write_normalize(adapter,
+                                NETXEN_ROMUSB_GLB_CAS_RST, 0);
         }
-        udelay(100);
-        /* make sure Casper is powered on */
-        writel(0x3fff,
-               NETXEN_CRB_NORMALIZE(adapter, NETXEN_ROMUSB_GLB_CHIP_CLK_CTRL));
-        writel(0, NETXEN_CRB_NORMALIZE(adapter, NETXEN_ROMUSB_GLB_CAS_RST));
 
         return 0;
 }
 
 int
-netxen_nic_hw_write_wx(struct netxen_adapter *adapter, u64 off, void *data,
-                       int len)
+netxen_nic_hw_write_wx_128M(struct netxen_adapter *adapter,
+                ulong off, void *data, int len)
 {
         void __iomem *addr;
 
@@ -750,7 +948,7 @@ netxen_nic_hw_write_wx(struct netxen_adapter *adapter, u64 off, void *data,
                 addr = NETXEN_CRB_NORMALIZE(adapter, off);
         } else {                /* Window 0 */
                 addr = pci_base_offset(adapter, off);
-                netxen_nic_pci_change_crbwindow(adapter, 0);
+                netxen_nic_pci_change_crbwindow_128M(adapter, 0);
         }
 
         DPRINTK(INFO, "writing to base %lx offset %llx addr %p"
@@ -758,7 +956,7 @@ netxen_nic_hw_write_wx(struct netxen_adapter *adapter, u64 off, void *data,
                 pci_base(adapter, off), off, addr,
                 *(unsigned long long *)data, len);
         if (!addr) {
-                netxen_nic_pci_change_crbwindow(adapter, 1);
+                netxen_nic_pci_change_crbwindow_128M(adapter, 1);
                 return 1;
         }
 
@@ -785,14 +983,14 @@ netxen_nic_hw_write_wx(struct netxen_adapter *adapter, u64 off, void *data,
                 break;
         }
         if (!ADDR_IN_WINDOW1(off))
-                netxen_nic_pci_change_crbwindow(adapter, 1);
+                netxen_nic_pci_change_crbwindow_128M(adapter, 1);
 
         return 0;
 }
 
 int
-netxen_nic_hw_read_wx(struct netxen_adapter *adapter, u64 off, void *data,
-                      int len)
+netxen_nic_hw_read_wx_128M(struct netxen_adapter *adapter,
+                ulong off, void *data, int len)
 {
         void __iomem *addr;
 
@@ -800,13 +998,13 @@ netxen_nic_hw_read_wx(struct netxen_adapter *adapter, u64 off, void *data,
                 addr = NETXEN_CRB_NORMALIZE(adapter, off);
         } else {                /* Window 0 */
                 addr = pci_base_offset(adapter, off);
-                netxen_nic_pci_change_crbwindow(adapter, 0);
+                netxen_nic_pci_change_crbwindow_128M(adapter, 0);
         }
 
         DPRINTK(INFO, "reading from base %lx offset %llx addr %p\n",
                 pci_base(adapter, off), off, addr);
         if (!addr) {
-                netxen_nic_pci_change_crbwindow(adapter, 1);
+                netxen_nic_pci_change_crbwindow_128M(adapter, 1);
                 return 1;
         }
         switch (len) {
@@ -830,81 +1028,195 @@ netxen_nic_hw_read_wx(struct netxen_adapter *adapter, u64 off, void *data,
         DPRINTK(INFO, "read %lx\n", *(unsigned long *)data);
 
         if (!ADDR_IN_WINDOW1(off))
-                netxen_nic_pci_change_crbwindow(adapter, 1);
+                netxen_nic_pci_change_crbwindow_128M(adapter, 1);
 
         return 0;
 }
 
-void netxen_nic_reg_write(struct netxen_adapter *adapter, u64 off, u32 val)
-{                               /* Only for window 1 */
-        void __iomem *addr;
+int
+netxen_nic_hw_write_wx_2M(struct netxen_adapter *adapter,
+                ulong off, void *data, int len)
+{
+        unsigned long flags = 0;
+        int rv;
+
+        rv = netxen_nic_pci_get_crb_addr_2M(adapter, &off, len);
+
+        if (rv == -1) {
+                printk(KERN_ERR "%s: invalid offset: 0x%016lx\n",
+                                __func__, off);
+                dump_stack();
+                return -1;
+        }
+
+        if (rv == 1) {
+                write_lock_irqsave(&adapter->adapter_lock, flags);
+                crb_win_lock(adapter);
+                netxen_nic_pci_set_crbwindow_2M(adapter, &off);
+        }
 
-        addr = NETXEN_CRB_NORMALIZE(adapter, off);
-        DPRINTK(INFO, "writing to base %lx offset %llx addr %p data %x\n",
-                pci_base(adapter, off), off, addr, val);
-        writel(val, addr);
+        DPRINTK(1, INFO, "write data %lx to offset %llx, len=%d\n",
+                        *(unsigned long *)data, off, len);
 
+        switch (len) {
+        case 1:
+                writeb(*(uint8_t *)data, (void *)off);
+                break;
+        case 2:
+                writew(*(uint16_t *)data, (void *)off);
+                break;
+        case 4:
+                writel(*(uint32_t *)data, (void *)off);
+                break;
+        case 8:
+                writeq(*(uint64_t *)data, (void *)off);
+                break;
+        default:
+                DPRINTK(1, INFO,
+                        "writing data %lx to offset %llx, num words=%d\n",
+                        *(unsigned long *)data, off, (len>>3));
+                break;
+        }
+        if (rv == 1) {
+                crb_win_unlock(adapter);
+                write_unlock_irqrestore(&adapter->adapter_lock, flags);
+        }
+
+        return 0;
 }
 
-int netxen_nic_reg_read(struct netxen_adapter *adapter, u64 off)
-{                               /* Only for window 1 */
-        void __iomem *addr;
-        int val;
+int
+netxen_nic_hw_read_wx_2M(struct netxen_adapter *adapter,
+                ulong off, void *data, int len)
+{
+        unsigned long flags = 0;
+        int rv;
 
-        addr = NETXEN_CRB_NORMALIZE(adapter, off);
-        DPRINTK(INFO, "reading from base %lx offset %llx addr %p\n",
-                pci_base(adapter, off), off, addr);
-        val = readl(addr);
-        writel(val, addr);
+        rv = netxen_nic_pci_get_crb_addr_2M(adapter, &off, len);
+
+        if (rv == -1) {
+                printk(KERN_ERR "%s: invalid offset: 0x%016lx\n",
+                                __func__, off);
+                dump_stack();
+                return -1;
+        }
+
+        if (rv == 1) {
+                write_lock_irqsave(&adapter->adapter_lock, flags);
+                crb_win_lock(adapter);
+                netxen_nic_pci_set_crbwindow_2M(adapter, &off);
+        }
+
+        DPRINTK(1, INFO, "read from offset %lx, len=%d\n", off, len);
+
+        switch (len) {
+        case 1:
+                *(uint8_t *)data = readb((void *)off);
+                break;
+        case 2:
+                *(uint16_t *)data = readw((void *)off);
+                break;
+        case 4:
+                *(uint32_t *)data = readl((void *)off);
+                break;
+        case 8:
+                *(uint64_t *)data = readq((void *)off);
+                break;
+        default:
+                break;
+        }
 
+        DPRINTK(1, INFO, "read %lx\n", *(unsigned long *)data);
+
+        if (rv == 1) {
+                crb_win_unlock(adapter);
+                write_unlock_irqrestore(&adapter->adapter_lock, flags);
+        }
+
+        return 0;
+}
+
+void netxen_nic_reg_write(struct netxen_adapter *adapter, u64 off, u32 val)
+{
+        adapter->hw_write_wx(adapter, off, &val, 4);
+}
+
+int netxen_nic_reg_read(struct netxen_adapter *adapter, u64 off)
+{
+        int val;
+        adapter->hw_read_wx(adapter, off, &val, 4);
         return val;
 }
 
 /* Change the window to 0, write and change back to window 1. */
 void netxen_nic_write_w0(struct netxen_adapter *adapter, u32 index, u32 value)
 {
-        void __iomem *addr;
-
-        netxen_nic_pci_change_crbwindow(adapter, 0);
-        addr = pci_base_offset(adapter, index);
-        writel(value, addr);
-        netxen_nic_pci_change_crbwindow(adapter, 1);
+        adapter->hw_write_wx(adapter, index, &value, 4);
 }
 
 /* Change the window to 0, read and change back to window 1. */
-void netxen_nic_read_w0(struct netxen_adapter *adapter, u32 index, u32 * value)
+void netxen_nic_read_w0(struct netxen_adapter *adapter, u32 index, u32 *value)
 {
-        void __iomem *addr;
+        adapter->hw_read_wx(adapter, index, value, 4);
+}
 
-        addr = pci_base_offset(adapter, index);
+void netxen_nic_write_w1(struct netxen_adapter *adapter, u32 index, u32 value)
+{
+        adapter->hw_write_wx(adapter, index, &value, 4);
+}
+
+void netxen_nic_read_w1(struct netxen_adapter *adapter, u32 index, u32 *value)
+{
+        adapter->hw_read_wx(adapter, index, value, 4);
+}
+
+/*
+ * check memory access boundary.
+ * used by test agent. support ddr access only for now
+ */
+static unsigned long
+netxen_nic_pci_mem_bound_check(struct netxen_adapter *adapter,
+                unsigned long long addr, int size)
+{
+        if (!ADDR_IN_RANGE(addr,
+                        NETXEN_ADDR_DDR_NET, NETXEN_ADDR_DDR_NET_MAX) ||
+                !ADDR_IN_RANGE(addr+size-1,
+                        NETXEN_ADDR_DDR_NET, NETXEN_ADDR_DDR_NET_MAX) ||
+                ((size != 1) && (size != 2) && (size != 4) && (size != 8))) {
+                return 0;
+        }
 
-        netxen_nic_pci_change_crbwindow(adapter, 0);
-        *value = readl(addr);
-        netxen_nic_pci_change_crbwindow(adapter, 1);
+        return 1;
 }
 
 static int netxen_pci_set_window_warning_count;
 
-static  unsigned long netxen_nic_pci_set_window(struct netxen_adapter *adapter,
-                                                unsigned long long addr)
+unsigned long
+netxen_nic_pci_set_window_128M(struct netxen_adapter *adapter,
+                unsigned long long addr)
 {
-        static int ddr_mn_window = -1;
-        static int qdr_sn_window = -1;
+        void __iomem *offset;
         int window;
+        unsigned long long      qdr_max;
+        uint8_t func = adapter->ahw.pci_func;
+
+        if (NX_IS_REVISION_P2(adapter->ahw.revision_id)) {
+                qdr_max = NETXEN_ADDR_QDR_NET_MAX_P2;
+        } else {
+                qdr_max = NETXEN_ADDR_QDR_NET_MAX_P3;
+        }
 
         if (ADDR_IN_RANGE(addr, NETXEN_ADDR_DDR_NET, NETXEN_ADDR_DDR_NET_MAX)) {
                 /* DDR network side */
                 addr -= NETXEN_ADDR_DDR_NET;
                 window = (addr >> 25) & 0x3ff;
-                if (ddr_mn_window != window) {
-                        ddr_mn_window = window;
-                        writel(window, PCI_OFFSET_SECOND_RANGE(adapter,
-                                                               NETXEN_PCIX_PH_REG
-                                                               (PCIX_MN_WINDOW(adapter->ahw.pci_func))));
+                if (adapter->ahw.ddr_mn_window != window) {
+                        adapter->ahw.ddr_mn_window = window;
+                        offset = PCI_OFFSET_SECOND_RANGE(adapter,
+                                NETXEN_PCIX_PH_REG(PCIE_MN_WINDOW_REG(func)));
+                        writel(window, offset);
                         /* MUST make sure window is set before we forge on... */
-                        readl(PCI_OFFSET_SECOND_RANGE(adapter,
-                                                      NETXEN_PCIX_PH_REG
-                                                      (PCIX_MN_WINDOW(adapter->ahw.pci_func))));
+                        readl(offset);
                 }
                 addr -= (window * NETXEN_WINDOW_ONE);
                 addr += NETXEN_PCI_DDR_NET;
@@ -914,22 +1226,17 @@ static  unsigned long netxen_nic_pci_set_window(struct netxen_adapter *adapter,
         } else if (ADDR_IN_RANGE(addr, NETXEN_ADDR_OCM1, NETXEN_ADDR_OCM1_MAX)) {
                 addr -= NETXEN_ADDR_OCM1;
                 addr += NETXEN_PCI_OCM1;
-        } else
-            if (ADDR_IN_RANGE
-                (addr, NETXEN_ADDR_QDR_NET, NETXEN_ADDR_QDR_NET_MAX)) {
+        } else if (ADDR_IN_RANGE(addr, NETXEN_ADDR_QDR_NET, qdr_max)) {
                 /* QDR network side */
                 addr -= NETXEN_ADDR_QDR_NET;
                 window = (addr >> 22) & 0x3f;
-                if (qdr_sn_window != window) {
-                        qdr_sn_window = window;
-                        writel((window << 22),
-                               PCI_OFFSET_SECOND_RANGE(adapter,
-                                                       NETXEN_PCIX_PH_REG
-                                                       (PCIX_SN_WINDOW(adapter->ahw.pci_func))));
+                if (adapter->ahw.qdr_sn_window != window) {
+                        adapter->ahw.qdr_sn_window = window;
+                        offset = PCI_OFFSET_SECOND_RANGE(adapter,
+                                NETXEN_PCIX_PH_REG(PCIE_SN_WINDOW_REG(func)));
+                        writel((window << 22), offset);
                         /* MUST make sure window is set before we forge on... */
-                        readl(PCI_OFFSET_SECOND_RANGE(adapter,
-                                                      NETXEN_PCIX_PH_REG
-                                                      (PCIX_SN_WINDOW(adapter->ahw.pci_func))));
+                        readl(offset);
                 }
                 addr -= (window * 0x400000);
                 addr += NETXEN_PCI_QDR_NET;
@@ -943,11 +1250,711 @@ static  unsigned long netxen_nic_pci_set_window(struct netxen_adapter *adapter,
                         printk("%s: Warning:netxen_nic_pci_set_window()"
                                " Unknown address range!\n",
                                netxen_nic_driver_name);
+                addr = -1UL;
+        }
+        return addr;
+}
+
+/*
+ * Note : only 32-bit writes!
+ */
+int netxen_nic_pci_write_immediate_128M(struct netxen_adapter *adapter,
+                u64 off, u32 data)
+{
+        writel(data, (void __iomem *)(PCI_OFFSET_SECOND_RANGE(adapter, off)));
+        return 0;
+}
+
+u32 netxen_nic_pci_read_immediate_128M(struct netxen_adapter *adapter, u64 off)
+{
+        return readl((void __iomem *)(pci_base_offset(adapter, off)));
+}
+
+void netxen_nic_pci_write_normalize_128M(struct netxen_adapter *adapter,
+                u64 off, u32 data)
+{
+        writel(data, NETXEN_CRB_NORMALIZE(adapter, off));
+}
+
+u32 netxen_nic_pci_read_normalize_128M(struct netxen_adapter *adapter, u64 off)
+{
+        return readl(NETXEN_CRB_NORMALIZE(adapter, off));
+}
+
+unsigned long
+netxen_nic_pci_set_window_2M(struct netxen_adapter *adapter,
+                unsigned long long addr)
+{
+        int window;
+        u32 win_read;
+
+        if (ADDR_IN_RANGE(addr, NETXEN_ADDR_DDR_NET, NETXEN_ADDR_DDR_NET_MAX)) {
+                /* DDR network side */
+                window = MN_WIN(addr);
+                adapter->ahw.ddr_mn_window = window;
+                adapter->hw_write_wx(adapter,
+                                adapter->ahw.mn_win_crb | NETXEN_PCI_CRBSPACE,
+                                &window, 4);
+                adapter->hw_read_wx(adapter,
+                                adapter->ahw.mn_win_crb | NETXEN_PCI_CRBSPACE,
+                                &win_read, 4);
+                if ((win_read << 17) != window) {
+                        printk(KERN_INFO "Written MNwin (0x%x) != "
+                                "Read MNwin (0x%x)\n", window, win_read);
+                }
+                addr = GET_MEM_OFFS_2M(addr) + NETXEN_PCI_DDR_NET;
+        } else if (ADDR_IN_RANGE(addr,
+                                NETXEN_ADDR_OCM0, NETXEN_ADDR_OCM0_MAX)) {
+                if ((addr & 0x00ff800) == 0xff800) {
+                        printk("%s: QM access not handled.\n", __func__);
+                        addr = -1UL;
+                }
+
+                window = OCM_WIN(addr);
+                adapter->ahw.ddr_mn_window = window;
+                adapter->hw_write_wx(adapter,
+                                adapter->ahw.mn_win_crb | NETXEN_PCI_CRBSPACE,
+                                &window, 4);
+                adapter->hw_read_wx(adapter,
+                                adapter->ahw.mn_win_crb | NETXEN_PCI_CRBSPACE,
+                                &win_read, 4);
+                if ((win_read >> 7) != window) {
+                        printk(KERN_INFO "%s: Written OCMwin (0x%x) != "
+                                        "Read OCMwin (0x%x)\n",
+                                        __func__, window, win_read);
+                }
+                addr = GET_MEM_OFFS_2M(addr) + NETXEN_PCI_OCM0_2M;
+
+        } else if (ADDR_IN_RANGE(addr,
+                        NETXEN_ADDR_QDR_NET, NETXEN_ADDR_QDR_NET_MAX_P3)) {
+                /* QDR network side */
+                window = MS_WIN(addr);
+                adapter->ahw.qdr_sn_window = window;
+                adapter->hw_write_wx(adapter,
+                                adapter->ahw.ms_win_crb | NETXEN_PCI_CRBSPACE,
+                                &window, 4);
+                adapter->hw_read_wx(adapter,
+                                adapter->ahw.ms_win_crb | NETXEN_PCI_CRBSPACE,
+                                &win_read, 4);
+                if (win_read != window) {
+                        printk(KERN_INFO "%s: Written MSwin (0x%x) != "
+                                        "Read MSwin (0x%x)\n",
+                                        __func__, window, win_read);
+                }
+                addr = GET_MEM_OFFS_2M(addr) + NETXEN_PCI_QDR_NET;
 
+        } else {
+                /*
+                 * peg gdb frequently accesses memory that doesn't exist,
+                 * this limits the chit chat so debugging isn't slowed down.
+                 */
+                if ((netxen_pci_set_window_warning_count++ < 8)
+                        || (netxen_pci_set_window_warning_count%64 == 0)) {
+                        printk("%s: Warning:%s Unknown address range!\n",
+                                        __func__, netxen_nic_driver_name);
+}
+                addr = -1UL;
         }
         return addr;
 }
 
+static int netxen_nic_pci_is_same_window(struct netxen_adapter *adapter,
+                                      unsigned long long addr)
+{
+        int window;
+        unsigned long long qdr_max;
+
+        if (NX_IS_REVISION_P2(adapter->ahw.revision_id))
+                qdr_max = NETXEN_ADDR_QDR_NET_MAX_P2;
+        else
+                qdr_max = NETXEN_ADDR_QDR_NET_MAX_P3;
+
+        if (ADDR_IN_RANGE(addr,
+                        NETXEN_ADDR_DDR_NET, NETXEN_ADDR_DDR_NET_MAX)) {
+                /* DDR network side */
+                BUG();  /* MN access can not come here */
+        } else if (ADDR_IN_RANGE(addr,
+                        NETXEN_ADDR_OCM0, NETXEN_ADDR_OCM0_MAX)) {
+                return 1;
+        } else if (ADDR_IN_RANGE(addr,
+                                NETXEN_ADDR_OCM1, NETXEN_ADDR_OCM1_MAX)) {
+                return 1;
+        } else if (ADDR_IN_RANGE(addr, NETXEN_ADDR_QDR_NET, qdr_max)) {
+                /* QDR network side */
+                window = ((addr - NETXEN_ADDR_QDR_NET) >> 22) & 0x3f;
+                if (adapter->ahw.qdr_sn_window == window)
+                        return 1;
+        }
+
+        return 0;
+}
+
+static int netxen_nic_pci_mem_read_direct(struct netxen_adapter *adapter,
+                        u64 off, void *data, int size)
+{
+        unsigned long flags;
+        void *addr;
+        int ret = 0;
+        u64 start;
+        uint8_t *mem_ptr = NULL;
+        unsigned long mem_base;
+        unsigned long mem_page;
+
+        write_lock_irqsave(&adapter->adapter_lock, flags);
+
+        /*
+         * If attempting to access unknown address or straddle hw windows,
+         * do not access.
+         */
+        start = adapter->pci_set_window(adapter, off);
+        if ((start == -1UL) ||
+                (netxen_nic_pci_is_same_window(adapter, off+size-1) == 0)) {
+                write_unlock_irqrestore(&adapter->adapter_lock, flags);
+                printk(KERN_ERR "%s out of bound pci memory access. "
+                        "offset is 0x%llx\n", netxen_nic_driver_name, off);
+                return -1;
+        }
+
+        addr = (void *)(pci_base_offset(adapter, start));
+        if (!addr) {
+                write_unlock_irqrestore(&adapter->adapter_lock, flags);
+                mem_base = pci_resource_start(adapter->pdev, 0);
+                mem_page = start & PAGE_MASK;
+                /* Map two pages whenever user tries to access addresses in two
+                consecutive pages.
+                */
+                if (mem_page != ((start + size - 1) & PAGE_MASK))
+                        mem_ptr = ioremap(mem_base + mem_page, PAGE_SIZE * 2);
+                else
+                        mem_ptr = ioremap(mem_base + mem_page, PAGE_SIZE);
+                if (mem_ptr == 0UL) {
+                        *(uint8_t  *)data = 0;
+                        return -1;
+                }
+                addr = mem_ptr;
+                addr += start & (PAGE_SIZE - 1);
+                write_lock_irqsave(&adapter->adapter_lock, flags);
+        }
+
+        switch (size) {
+        case 1:
+                *(uint8_t  *)data = readb(addr);
+                break;
+        case 2:
+                *(uint16_t *)data = readw(addr);
+                break;
+        case 4:
+                *(uint32_t *)data = readl(addr);
+                break;
+        case 8:
+                *(uint64_t *)data = readq(addr);
+                break;
+        default:
+                ret = -1;
+                break;
+        }
+        write_unlock_irqrestore(&adapter->adapter_lock, flags);
+        DPRINTK(1, INFO, "read %llx\n", *(unsigned long long *)data);
+
+        if (mem_ptr)
+                iounmap(mem_ptr);
+        return ret;
+}
+
+static int
+netxen_nic_pci_mem_write_direct(struct netxen_adapter *adapter, u64 off,
+                void *data, int size)
+{
+        unsigned long flags;
+        void *addr;
+        int ret = 0;
+        u64 start;
+        uint8_t *mem_ptr = NULL;
+        unsigned long mem_base;
+        unsigned long mem_page;
+
+        write_lock_irqsave(&adapter->adapter_lock, flags);
+
+        /*
+         * If attempting to access unknown address or straddle hw windows,
+         * do not access.
+         */
+        start = adapter->pci_set_window(adapter, off);
+        if ((start == -1UL) ||
+                (netxen_nic_pci_is_same_window(adapter, off+size-1) == 0)) {
+                write_unlock_irqrestore(&adapter->adapter_lock, flags);
+                printk(KERN_ERR "%s out of bound pci memory access. "
+                        "offset is 0x%llx\n", netxen_nic_driver_name, off);
+                return -1;
+        }
+
+        addr = (void *)(pci_base_offset(adapter, start));
+        if (!addr) {
+                write_unlock_irqrestore(&adapter->adapter_lock, flags);
+                mem_base = pci_resource_start(adapter->pdev, 0);
+                mem_page = start & PAGE_MASK;
+                /* Map two pages whenever user tries to access addresses in two
+                 * consecutive pages.
+                 */
+                if (mem_page != ((start + size - 1) & PAGE_MASK))
+                        mem_ptr = ioremap(mem_base + mem_page, PAGE_SIZE*2);
+                else
+                        mem_ptr = ioremap(mem_base + mem_page, PAGE_SIZE);
+                if (mem_ptr == 0UL)
+                        return -1;
+                addr = mem_ptr;
+                addr += start & (PAGE_SIZE - 1);
+                write_lock_irqsave(&adapter->adapter_lock, flags);
+        }
+
+        switch (size) {
+        case 1:
+                writeb(*(uint8_t *)data, addr);
+                break;
+        case 2:
+                writew(*(uint16_t *)data, addr);
+                break;
+        case 4:
+                writel(*(uint32_t *)data, addr);
+                break;
+        case 8:
+                writeq(*(uint64_t *)data, addr);
+                break;
+        default:
+                ret = -1;
+                break;
+        }
+        write_unlock_irqrestore(&adapter->adapter_lock, flags);
+        DPRINTK(1, INFO, "writing data %llx to offset %llx\n",
+                        *(unsigned long long *)data, start);
+        if (mem_ptr)
+                iounmap(mem_ptr);
+        return ret;
+}
+
+#define MAX_CTL_CHECK   1000
+
+int
+netxen_nic_pci_mem_write_128M(struct netxen_adapter *adapter,
+                u64 off, void *data, int size)
+{
+        unsigned long   flags, mem_crb;
+        int          i, j, ret = 0, loop, sz[2], off0;
+        uint32_t      temp;
+        uint64_t      off8, tmpw, word[2] = {0, 0};
+
+        /*
+         * If not MN, go check for MS or invalid.
+         */
+        if (netxen_nic_pci_mem_bound_check(adapter, off, size) == 0)
+                return netxen_nic_pci_mem_write_direct(adapter,
+                                off, data, size);
+
+        off8 = off & 0xfffffff8;
+        off0 = off & 0x7;
+        sz[0] = (size < (8 - off0)) ? size : (8 - off0);
+        sz[1] = size - sz[0];
+        loop = ((off0 + size - 1) >> 3) + 1;
+        mem_crb = (unsigned long)pci_base_offset(adapter, NETXEN_CRB_DDR_NET);
+
+        if ((size != 8) || (off0 != 0))  {
+                for (i = 0; i < loop; i++) {
+                        if (adapter->pci_mem_read(adapter,
+                                off8 + (i << 3), &word[i], 8))
+                                return -1;
+                }
+        }
+
+        switch (size) {
+        case 1:
+                tmpw = *((uint8_t *)data);
+                break;
+        case 2:
+                tmpw = *((uint16_t *)data);
+                break;
+        case 4:
+                tmpw = *((uint32_t *)data);
+                break;
+        case 8:
+        default:
+                tmpw = *((uint64_t *)data);
+                break;
+        }
+        word[0] &= ~((~(~0ULL << (sz[0] * 8))) << (off0 * 8));
+        word[0] |= tmpw << (off0 * 8);
+
+        if (loop == 2) {
+                word[1] &= ~(~0ULL << (sz[1] * 8));
+                word[1] |= tmpw >> (sz[0] * 8);
+        }
+
+        write_lock_irqsave(&adapter->adapter_lock, flags);
+        netxen_nic_pci_change_crbwindow_128M(adapter, 0);
+
+        for (i = 0; i < loop; i++) {
+                writel((uint32_t)(off8 + (i << 3)),
+                        (void *)(mem_crb+MIU_TEST_AGT_ADDR_LO));
+                writel(0,
+                        (void *)(mem_crb+MIU_TEST_AGT_ADDR_HI));
+                writel(word[i] & 0xffffffff,
+                        (void *)(mem_crb+MIU_TEST_AGT_WRDATA_LO));
+                writel((word[i] >> 32) & 0xffffffff,
+                        (void *)(mem_crb+MIU_TEST_AGT_WRDATA_HI));
+                writel(MIU_TA_CTL_ENABLE|MIU_TA_CTL_WRITE,
+                        (void *)(mem_crb+MIU_TEST_AGT_CTRL));
+                writel(MIU_TA_CTL_START|MIU_TA_CTL_ENABLE|MIU_TA_CTL_WRITE,
+                        (void *)(mem_crb+MIU_TEST_AGT_CTRL));
+
+                for (j = 0; j < MAX_CTL_CHECK; j++) {
+                        temp = readl(
+                             (void *)(mem_crb+MIU_TEST_AGT_CTRL));
+                        if ((temp & MIU_TA_CTL_BUSY) == 0)
+                                break;
+                }
+
+                if (j >= MAX_CTL_CHECK) {
+                        printk("%s: %s Fail to write through agent\n",
+                                        __func__, netxen_nic_driver_name);
+                        ret = -1;
+                        break;
+                }
+        }
+
+        netxen_nic_pci_change_crbwindow_128M(adapter, 1);
+        write_unlock_irqrestore(&adapter->adapter_lock, flags);
+        return ret;
+}
+
+int
+netxen_nic_pci_mem_read_128M(struct netxen_adapter *adapter,
+                u64 off, void *data, int size)
+{
+        unsigned long   flags, mem_crb;
+        int          i, j = 0, k, start, end, loop, sz[2], off0[2];
+        uint32_t      temp;
+        uint64_t      off8, val, word[2] = {0, 0};
+
+
+        /*
+         * If not MN, go check for MS or invalid.
+         */
+        if (netxen_nic_pci_mem_bound_check(adapter, off, size) == 0)
+                return netxen_nic_pci_mem_read_direct(adapter, off, data, size);
+
+        off8 = off & 0xfffffff8;
+        off0[0] = off & 0x7;
+        off0[1] = 0;
+        sz[0] = (size < (8 - off0[0])) ? size : (8 - off0[0]);
+        sz[1] = size - sz[0];
+        loop = ((off0[0] + size - 1) >> 3) + 1;
+        mem_crb = (unsigned long)pci_base_offset(adapter, NETXEN_CRB_DDR_NET);
+
+        write_lock_irqsave(&adapter->adapter_lock, flags);
+        netxen_nic_pci_change_crbwindow_128M(adapter, 0);
+
+        for (i = 0; i < loop; i++) {
+                writel((uint32_t)(off8 + (i << 3)),
+                        (void *)(mem_crb+MIU_TEST_AGT_ADDR_LO));
+                writel(0,
+                        (void *)(mem_crb+MIU_TEST_AGT_ADDR_HI));
+                writel(MIU_TA_CTL_ENABLE,
+                        (void *)(mem_crb+MIU_TEST_AGT_CTRL));
+                writel(MIU_TA_CTL_START|MIU_TA_CTL_ENABLE,
+                        (void *)(mem_crb+MIU_TEST_AGT_CTRL));
+
+                for (j = 0; j < MAX_CTL_CHECK; j++) {
+                        temp = readl(
+                              (void *)(mem_crb+MIU_TEST_AGT_CTRL));
+                        if ((temp & MIU_TA_CTL_BUSY) == 0)
+                                break;
+                }
+
+                if (j >= MAX_CTL_CHECK) {
+                        printk(KERN_ERR "%s: %s Fail to read through agent\n",
+                                        __func__, netxen_nic_driver_name);
+                        break;
+                }
+
+                start = off0[i] >> 2;
+                end   = (off0[i] + sz[i] - 1) >> 2;
+                for (k = start; k <= end; k++) {
+                        word[i] |= ((uint64_t) readl(
+                                    (void *)(mem_crb +
+                                    MIU_TEST_AGT_RDDATA(k))) << (32*k));
+                }
+        }
+
+        netxen_nic_pci_change_crbwindow_128M(adapter, 1);
+        write_unlock_irqrestore(&adapter->adapter_lock, flags);
+
+        if (j >= MAX_CTL_CHECK)
+                return -1;
+
+        if (sz[0] == 8) {
+                val = word[0];
+        } else {
+                val = ((word[0] >> (off0[0] * 8)) & (~(~0ULL << (sz[0] * 8)))) |
+                        ((word[1] & (~(~0ULL << (sz[1] * 8)))) << (sz[0] * 8));
+        }
+
+        switch (size) {
+        case 1:
+                *(uint8_t  *)data = val;
+                break;
+        case 2:
+                *(uint16_t *)data = val;
+                break;
+        case 4:
+                *(uint32_t *)data = val;
+                break;
+        case 8:
+                *(uint64_t *)data = val;
+                break;
+        }
+        DPRINTK(1, INFO, "read %llx\n", *(unsigned long long *)data);
+        return 0;
+}
+
+int
+netxen_nic_pci_mem_write_2M(struct netxen_adapter *adapter,
+                u64 off, void *data, int size)
+{
+        int i, j, ret = 0, loop, sz[2], off0;
+        uint32_t temp;
+        uint64_t off8, mem_crb, tmpw, word[2] = {0, 0};
+
+        /*
+         * If not MN, go check for MS or invalid.
+         */
+        if (off >= NETXEN_ADDR_QDR_NET && off <= NETXEN_ADDR_QDR_NET_MAX_P3)
+                mem_crb = NETXEN_CRB_QDR_NET;
+        else {
+                mem_crb = NETXEN_CRB_DDR_NET;
+                if (netxen_nic_pci_mem_bound_check(adapter, off, size) == 0)
+                        return netxen_nic_pci_mem_write_direct(adapter,
+                                        off, data, size);
+        }
+
+        off8 = off & 0xfffffff8;
+        off0 = off & 0x7;
+        sz[0] = (size < (8 - off0)) ? size : (8 - off0);
+        sz[1] = size - sz[0];
+        loop = ((off0 + size - 1) >> 3) + 1;
+
+        if ((size != 8) || (off0 != 0)) {
+                for (i = 0; i < loop; i++) {
+                        if (adapter->pci_mem_read(adapter, off8 + (i << 3),
+                                                &word[i], 8))
+                                return -1;
+                }
+        }
+
+        switch (size) {
+        case 1:
+                tmpw = *((uint8_t *)data);
+                break;
+        case 2:
+                tmpw = *((uint16_t *)data);
+                break;
+        case 4:
+                tmpw = *((uint32_t *)data);
+                break;
+        case 8:
+        default:
+                tmpw = *((uint64_t *)data);
+        break;
+        }
+
+        word[0] &= ~((~(~0ULL << (sz[0] * 8))) << (off0 * 8));
+        word[0] |= tmpw << (off0 * 8);
+
+        if (loop == 2) {
+                word[1] &= ~(~0ULL << (sz[1] * 8));
+                word[1] |= tmpw >> (sz[0] * 8);
+        }
+
+        /*
+         * don't lock here - write_wx gets the lock if each time
+         * write_lock_irqsave(&adapter->adapter_lock, flags);
+         * netxen_nic_pci_change_crbwindow_128M(adapter, 0);
+         */
+
+        for (i = 0; i < loop; i++) {
+                temp = off8 + (i << 3);
+                adapter->hw_write_wx(adapter,
+                                mem_crb+MIU_TEST_AGT_ADDR_LO, &temp, 4);
+                temp = 0;
+                adapter->hw_write_wx(adapter,
+                                mem_crb+MIU_TEST_AGT_ADDR_HI, &temp, 4);
+                temp = word[i] & 0xffffffff;
+                adapter->hw_write_wx(adapter,
+                                mem_crb+MIU_TEST_AGT_WRDATA_LO, &temp, 4);
+                temp = (word[i] >> 32) & 0xffffffff;
+                adapter->hw_write_wx(adapter,
+                                mem_crb+MIU_TEST_AGT_WRDATA_HI, &temp, 4);
+                temp = MIU_TA_CTL_ENABLE | MIU_TA_CTL_WRITE;
+                adapter->hw_write_wx(adapter,
+                                mem_crb+MIU_TEST_AGT_CTRL, &temp, 4);
+                temp = MIU_TA_CTL_START | MIU_TA_CTL_ENABLE | MIU_TA_CTL_WRITE;
+                adapter->hw_write_wx(adapter,
+                                mem_crb+MIU_TEST_AGT_CTRL, &temp, 4);
+
+                for (j = 0; j < MAX_CTL_CHECK; j++) {
+                        adapter->hw_read_wx(adapter,
+                                        mem_crb + MIU_TEST_AGT_CTRL, &temp, 4);
+                        if ((temp & MIU_TA_CTL_BUSY) == 0)
+                                break;
+                }
+
+                if (j >= MAX_CTL_CHECK) {
+                        printk(KERN_ERR "%s: Fail to write through agent\n",
+                                        netxen_nic_driver_name);
+                        ret = -1;
+                        break;
+                }
+        }
+
+        /*
+         * netxen_nic_pci_change_crbwindow_128M(adapter, 1);
+         * write_unlock_irqrestore(&adapter->adapter_lock, flags);
+         */
+        return ret;
+}
+
+int
+netxen_nic_pci_mem_read_2M(struct netxen_adapter *adapter,
+                u64 off, void *data, int size)
+{
+        int i, j = 0, k, start, end, loop, sz[2], off0[2];
+        uint32_t      temp;
+        uint64_t      off8, val, mem_crb, word[2] = {0, 0};
+
+        /*
+         * If not MN, go check for MS or invalid.
+         */
+
+        if (off >= NETXEN_ADDR_QDR_NET && off <= NETXEN_ADDR_QDR_NET_MAX_P3)
+                mem_crb = NETXEN_CRB_QDR_NET;
+        else {
+                mem_crb = NETXEN_CRB_DDR_NET;
+                if (netxen_nic_pci_mem_bound_check(adapter, off, size) == 0)
+                        return netxen_nic_pci_mem_read_direct(adapter,
+                                        off, data, size);
+        }
+
+        off8 = off & 0xfffffff8;
+        off0[0] = off & 0x7;
+        off0[1] = 0;
+        sz[0] = (size < (8 - off0[0])) ? size : (8 - off0[0]);
+        sz[1] = size - sz[0];
+        loop = ((off0[0] + size - 1) >> 3) + 1;
+
+        /*
+         * don't lock here - write_wx gets the lock if each time
+         * write_lock_irqsave(&adapter->adapter_lock, flags);
+         * netxen_nic_pci_change_crbwindow_128M(adapter, 0);
+         */
+
+        for (i = 0; i < loop; i++) {
+                temp = off8 + (i << 3);
+                adapter->hw_write_wx(adapter,
+                                mem_crb + MIU_TEST_AGT_ADDR_LO, &temp, 4);
+                temp = 0;
+                adapter->hw_write_wx(adapter,
+                                mem_crb + MIU_TEST_AGT_ADDR_HI, &temp, 4);
+                temp = MIU_TA_CTL_ENABLE;
+                adapter->hw_write_wx(adapter,
+                                mem_crb + MIU_TEST_AGT_CTRL, &temp, 4);
+                temp = MIU_TA_CTL_START | MIU_TA_CTL_ENABLE;
+                adapter->hw_write_wx(adapter,
+                                mem_crb + MIU_TEST_AGT_CTRL, &temp, 4);
+
+                for (j = 0; j < MAX_CTL_CHECK; j++) {
+                        adapter->hw_read_wx(adapter,
+                                        mem_crb + MIU_TEST_AGT_CTRL, &temp, 4);
+                        if ((temp & MIU_TA_CTL_BUSY) == 0)
+                                break;
+                }
+
+                if (j >= MAX_CTL_CHECK) {
+                        printk(KERN_ERR "%s: Fail to read through agent\n",
+                                        netxen_nic_driver_name);
+                        break;
+                }
+
+                start = off0[i] >> 2;
+                end   = (off0[i] + sz[i] - 1) >> 2;
+                for (k = start; k <= end; k++) {
+                        adapter->hw_read_wx(adapter,
+                                mem_crb + MIU_TEST_AGT_RDDATA(k), &temp, 4);
+                        word[i] |= ((uint64_t)temp << (32 * k));
+                }
+        }
+
+        /*
+         * netxen_nic_pci_change_crbwindow_128M(adapter, 1);
+         * write_unlock_irqrestore(&adapter->adapter_lock, flags);
+         */
+
+        if (j >= MAX_CTL_CHECK)
+                return -1;
+
+        if (sz[0] == 8) {
+                val = word[0];
+        } else {
+                val = ((word[0] >> (off0[0] * 8)) & (~(~0ULL << (sz[0] * 8)))) |
+                ((word[1] & (~(~0ULL << (sz[1] * 8)))) << (sz[0] * 8));
+        }
+
+        switch (size) {
+        case 1:
+                *(uint8_t  *)data = val;
+                break;
+        case 2:
+                *(uint16_t *)data = val;
+                break;
+        case 4:
+                *(uint32_t *)data = val;
+                break;
+        case 8:
+                *(uint64_t *)data = val;
+                break;
+        }
+        DPRINTK(1, INFO, "read %llx\n", *(unsigned long long *)data);
+        return 0;
+}
+
+/*
+ * Note : only 32-bit writes!
+ */
+int netxen_nic_pci_write_immediate_2M(struct netxen_adapter *adapter,
+                u64 off, u32 data)
+{
+        adapter->hw_write_wx(adapter, off, &data, 4);
+
+        return 0;
+}
+
+u32 netxen_nic_pci_read_immediate_2M(struct netxen_adapter *adapter, u64 off)
+{
+        u32 temp;
+        adapter->hw_read_wx(adapter, off, &temp, 4);
+        return temp;
+}
+
+void netxen_nic_pci_write_normalize_2M(struct netxen_adapter *adapter,
+                u64 off, u32 data)
+{
+        adapter->hw_write_wx(adapter, off, &data, 4);
+}
+
+u32 netxen_nic_pci_read_normalize_2M(struct netxen_adapter *adapter, u64 off)
+{
+        u32 temp;
+        adapter->hw_read_wx(adapter, off, &temp, 4);
+        return temp;
+}
+
 #if 0
 int
 netxen_nic_erase_pxe(struct netxen_adapter *adapter)
@@ -1003,12 +2010,25 @@ int netxen_nic_get_board_info(struct netxen_adapter *adapter)
         case NETXEN_BRDTYPE_P2_SB31_10G_IMEZ:
         case NETXEN_BRDTYPE_P2_SB31_10G_HMEZ:
         case NETXEN_BRDTYPE_P2_SB31_10G_CX4:
+        case NETXEN_BRDTYPE_P3_HMEZ:
+        case NETXEN_BRDTYPE_P3_XG_LOM:
+        case NETXEN_BRDTYPE_P3_10G_CX4:
+        case NETXEN_BRDTYPE_P3_10G_CX4_LP:
+        case NETXEN_BRDTYPE_P3_IMEZ:
+        case NETXEN_BRDTYPE_P3_10G_SFP_PLUS:
+        case NETXEN_BRDTYPE_P3_10G_XFP:
+        case NETXEN_BRDTYPE_P3_10000_BASE_T:
+
                 adapter->ahw.board_type = NETXEN_NIC_XGBE;
                 break;
         case NETXEN_BRDTYPE_P1_BD:
         case NETXEN_BRDTYPE_P1_SB:
         case NETXEN_BRDTYPE_P1_SMAX:
         case NETXEN_BRDTYPE_P1_SOCK:
+        case NETXEN_BRDTYPE_P3_REF_QG:
+        case NETXEN_BRDTYPE_P3_4_GB:
+        case NETXEN_BRDTYPE_P3_4_GB_MM:
+
                 adapter->ahw.board_type = NETXEN_NIC_GBE;
                 break;
         default:
@@ -1042,25 +2062,11 @@ int netxen_nic_set_mtu_xgb(struct netxen_adapter *adapter, int new_mtu)
         return 0;
 }
 
-void netxen_nic_init_niu_gb(struct netxen_adapter *adapter)
-{
-        netxen_niu_gbe_init_port(adapter, adapter->physical_port);
-}
-
 void
-netxen_crb_writelit_adapter(struct netxen_adapter *adapter, unsigned long off,
-                            int data)
+netxen_crb_writelit_adapter(struct netxen_adapter *adapter,
+                unsigned long off, int data)
 {
-        void __iomem *addr;
-
-        if (ADDR_IN_WINDOW1(off)) {
-                writel(data, NETXEN_CRB_NORMALIZE(adapter, off));
-        } else {
-                netxen_nic_pci_change_crbwindow(adapter, 0);
-                addr = pci_base_offset(adapter, off);
-                writel(data, addr);
-                netxen_nic_pci_change_crbwindow(adapter, 1);
-        }
+        adapter->hw_write_wx(adapter, off, &data, 4);
 }
 
 void netxen_nic_set_link_parameters(struct netxen_adapter *adapter)
@@ -1147,12 +2153,11 @@ void netxen_nic_flash_print(struct netxen_adapter *adapter)
                 addr += sizeof(u32);
         }
 
-        fw_major = readl(NETXEN_CRB_NORMALIZE(adapter,
-                                              NETXEN_FW_VERSION_MAJOR));
-        fw_minor = readl(NETXEN_CRB_NORMALIZE(adapter,
-                                              NETXEN_FW_VERSION_MINOR));
-        fw_build =
-            readl(NETXEN_CRB_NORMALIZE(adapter, NETXEN_FW_VERSION_SUB));
+        adapter->hw_read_wx(adapter, NETXEN_FW_VERSION_MAJOR, &fw_major, 4);
+        adapter->hw_read_wx(adapter, NETXEN_FW_VERSION_MINOR, &fw_minor, 4);
+        adapter->hw_read_wx(adapter, NETXEN_FW_VERSION_SUB, &fw_build, 4);
+
+        adapter->fw_major = fw_major;
 
         if (adapter->portnum == 0) {
                 get_brd_name_by_type(board_info->board_type, brd_name);
@@ -1163,28 +2168,13 @@ void netxen_nic_flash_print(struct netxen_adapter *adapter)
                                 fw_minor, fw_build);
         }
 
-        if (fw_major != _NETXEN_NIC_LINUX_MAJOR) {
-                adapter->driver_mismatch = 1;
-        }
-        if (fw_minor != _NETXEN_NIC_LINUX_MINOR &&
-                        fw_minor != (_NETXEN_NIC_LINUX_MINOR + 1)) {
+        if (NETXEN_VERSION_CODE(fw_major, fw_minor, fw_build) <
+                        NETXEN_VERSION_CODE(3, 4, 216)) {
                 adapter->driver_mismatch = 1;
-        }
-        if (adapter->driver_mismatch) {
-                printk(KERN_ERR "%s: driver and firmware version mismatch\n",
-                                adapter->netdev->name);
+                printk(KERN_ERR "%s: firmware version %d.%d.%d unsupported\n",
+                                netxen_nic_driver_name,
+                                fw_major, fw_minor, fw_build);
                 return;
         }
-
-        switch (adapter->ahw.board_type) {
-        case NETXEN_NIC_GBE:
-                dev_info(&adapter->pdev->dev, "%s: GbE port initialized\n",
-                                adapter->netdev->name);
-                break;
-        case NETXEN_NIC_XGBE:
-                dev_info(&adapter->pdev->dev, "%s: XGbE port initialized\n",
-                                adapter->netdev->name);
-                break;
-        }
 }
 
diff --git a/drivers/net/netxen/netxen_nic_hw.h b/drivers/net/netxen/netxen_nic_hw.h
index a3ea1dd98c41..b8e0030f03d7 100644
--- a/drivers/net/netxen/netxen_nic_hw.h
+++ b/drivers/net/netxen/netxen_nic_hw.h
@@ -82,19 +82,9 @@ struct netxen_adapter;
 
 #define NETXEN_PCI_MAPSIZE_BYTES  (NETXEN_PCI_MAPSIZE << 20)
 
-#define NETXEN_NIC_LOCKED_READ_REG(X, Y)        \
-        addr = pci_base_offset(adapter, X);     \
-        *(u32 *)Y = readl((void __iomem*) addr);
-
 struct netxen_port;
 void netxen_nic_set_link_parameters(struct netxen_adapter *adapter);
 void netxen_nic_flash_print(struct netxen_adapter *adapter);
-int netxen_nic_hw_write_wx(struct netxen_adapter *adapter, u64 off,
-                           void *data, int len);
-void netxen_crb_writelit_adapter(struct netxen_adapter *adapter,
-                                 unsigned long off, int data);
-int netxen_nic_hw_read_wx(struct netxen_adapter *adapter, u64 off,
-                          void *data, int len);
 
 typedef u8 netxen_ethernet_macaddr_t[6];
 
@@ -432,7 +422,8 @@ typedef enum {
 /* Promiscous mode options (GbE mode only) */
 typedef enum {
         NETXEN_NIU_PROMISC_MODE = 0,
-        NETXEN_NIU_NON_PROMISC_MODE
+        NETXEN_NIU_NON_PROMISC_MODE,
+        NETXEN_NIU_ALLMULTI_MODE
 } netxen_niu_prom_mode_t;
 
 /*
@@ -478,42 +469,6 @@ typedef enum {
 #define netxen_xg_soft_reset(config_word)       \
                 ((config_word) |= 1 << 4)
 
-/*
- * MAC Control Register
- *
- * Bit 0-1   : id_pool0
- * Bit 2     : enable_xtnd0
- * Bit 4-5   : id_pool1
- * Bit 6     : enable_xtnd1
- * Bit 8-9   : id_pool2
- * Bit 10    : enable_xtnd2
- * Bit 12-13 : id_pool3
- * Bit 14    : enable_xtnd3
- * Bit 24-25 : mode_select
- * Bit 28-31 : enable_pool
- */
-
-#define netxen_nic_mcr_set_id_pool0(config, val)        \
-                ((config) |= ((val) &0x03))
-#define netxen_nic_mcr_set_enable_xtnd0(config) \
-                ((config) |= 1 << 3)
-#define netxen_nic_mcr_set_id_pool1(config, val)        \
-                ((config) |= (((val) & 0x03) << 4))
-#define netxen_nic_mcr_set_enable_xtnd1(config) \
-                ((config) |= 1 << 6)
-#define netxen_nic_mcr_set_id_pool2(config, val)        \
-                ((config) |= (((val) & 0x03) << 8))
-#define netxen_nic_mcr_set_enable_xtnd2(config) \
-                ((config) |= 1 << 10)
-#define netxen_nic_mcr_set_id_pool3(config, val)        \
-                ((config) |= (((val) & 0x03) << 12))
-#define netxen_nic_mcr_set_enable_xtnd3(config) \
-                ((config) |= 1 << 14)
-#define netxen_nic_mcr_set_mode_select(config, val)     \
-                ((config) |= (((val) & 0x03) << 24))
-#define netxen_nic_mcr_set_enable_pool(config, val)     \
-                ((config) |= (((val) & 0x0f) << 28))
-
 /* Set promiscuous mode for a GbE interface */
 int netxen_niu_set_promiscuous_mode(struct netxen_adapter *adapter,
                                     netxen_niu_prom_mode_t mode);
@@ -538,4 +493,15 @@ int netxen_niu_disable_gbe_port(struct netxen_adapter *adapter);
 
 int netxen_niu_disable_xg_port(struct netxen_adapter *adapter);
 
+typedef struct {
+        unsigned valid;
+        unsigned start_128M;
+        unsigned end_128M;
+        unsigned start_2M;
+} crb_128M_2M_sub_block_map_t;
+
+typedef struct {
+        crb_128M_2M_sub_block_map_t sub_block[16];
+} crb_128M_2M_block_map_t;
+
 #endif                          /* __NETXEN_NIC_HW_H_ */
diff --git a/drivers/net/netxen/netxen_nic_init.c b/drivers/net/netxen/netxen_nic_init.c
index 70d1b22ced22..01ab31b34a85 100644
--- a/drivers/net/netxen/netxen_nic_init.c
+++ b/drivers/net/netxen/netxen_nic_init.c
@@ -42,8 +42,6 @@ struct crb_addr_pair {
         u32 data;
 };
 
-unsigned long last_schedule_time;
-
 #define NETXEN_MAX_CRB_XFORM 60
 static unsigned int crb_addr_xform[NETXEN_MAX_CRB_XFORM];
 #define NETXEN_ADDR_ERROR (0xffffffff)
@@ -117,6 +115,8 @@ static void crb_addr_transform_setup(void)
         crb_addr_transform(C2C1);
         crb_addr_transform(C2C0);
         crb_addr_transform(SMB);
+        crb_addr_transform(OCM0);
+        crb_addr_transform(I2C0);
 }
 
 int netxen_init_firmware(struct netxen_adapter *adapter)
@@ -124,15 +124,15 @@ int netxen_init_firmware(struct netxen_adapter *adapter)
         u32 state = 0, loops = 0, err = 0;
 
         /* Window 1 call */
-        state = readl(NETXEN_CRB_NORMALIZE(adapter, CRB_CMDPEG_STATE));
+        state = adapter->pci_read_normalize(adapter, CRB_CMDPEG_STATE);
 
         if (state == PHAN_INITIALIZE_ACK)
                 return 0;
 
         while (state != PHAN_INITIALIZE_COMPLETE && loops < 2000) {
-                udelay(100);
+                msleep(1);
                 /* Window 1 call */
-                state = readl(NETXEN_CRB_NORMALIZE(adapter, CRB_CMDPEG_STATE));
+                state = adapter->pci_read_normalize(adapter, CRB_CMDPEG_STATE);
 
                 loops++;
         }
@@ -143,64 +143,193 @@ int netxen_init_firmware(struct netxen_adapter *adapter)
                 return err;
         }
         /* Window 1 call */
-        writel(INTR_SCHEME_PERPORT,
-               NETXEN_CRB_NORMALIZE(adapter, CRB_NIC_CAPABILITIES_HOST));
-        writel(MSI_MODE_MULTIFUNC,
-               NETXEN_CRB_NORMALIZE(adapter, CRB_NIC_MSI_MODE_HOST));
-        writel(MPORT_MULTI_FUNCTION_MODE,
-               NETXEN_CRB_NORMALIZE(adapter, CRB_MPORT_MODE));
-        writel(PHAN_INITIALIZE_ACK,
-               NETXEN_CRB_NORMALIZE(adapter, CRB_CMDPEG_STATE));
+        adapter->pci_write_normalize(adapter,
+                        CRB_NIC_CAPABILITIES_HOST, INTR_SCHEME_PERPORT);
+        adapter->pci_write_normalize(adapter,
+                        CRB_NIC_MSI_MODE_HOST, MSI_MODE_MULTIFUNC);
+        adapter->pci_write_normalize(adapter,
+                        CRB_MPORT_MODE, MPORT_MULTI_FUNCTION_MODE);
+        adapter->pci_write_normalize(adapter,
+                        CRB_CMDPEG_STATE, PHAN_INITIALIZE_ACK);
 
         return err;
 }
 
-#define NETXEN_ADDR_LIMIT 0xffffffffULL
+void netxen_release_rx_buffers(struct netxen_adapter *adapter)
+{
+        struct netxen_recv_context *recv_ctx;
+        struct nx_host_rds_ring *rds_ring;
+        struct netxen_rx_buffer *rx_buf;
+        int i, ctxid, ring;
+
+        for (ctxid = 0; ctxid < MAX_RCV_CTX; ++ctxid) {
+                recv_ctx = &adapter->recv_ctx[ctxid];
+                for (ring = 0; ring < adapter->max_rds_rings; ring++) {
+                        rds_ring = &recv_ctx->rds_rings[ring];
+                        for (i = 0; i < rds_ring->max_rx_desc_count; ++i) {
+                                rx_buf = &(rds_ring->rx_buf_arr[i]);
+                                if (rx_buf->state == NETXEN_BUFFER_FREE)
+                                        continue;
+                                pci_unmap_single(adapter->pdev,
+                                                rx_buf->dma,
+                                                rds_ring->dma_size,
+                                                PCI_DMA_FROMDEVICE);
+                                if (rx_buf->skb != NULL)
+                                        dev_kfree_skb_any(rx_buf->skb);
+                        }
+                }
+        }
+}
 
-void *netxen_alloc(struct pci_dev *pdev, size_t sz, dma_addr_t * ptr,
-                   struct pci_dev **used_dev)
+void netxen_release_tx_buffers(struct netxen_adapter *adapter)
 {
-        void *addr;
+        struct netxen_cmd_buffer *cmd_buf;
+        struct netxen_skb_frag *buffrag;
+        int i, j;
+
+        cmd_buf = adapter->cmd_buf_arr;
+        for (i = 0; i < adapter->max_tx_desc_count; i++) {
+                buffrag = cmd_buf->frag_array;
+                if (buffrag->dma) {
+                        pci_unmap_single(adapter->pdev, buffrag->dma,
+                                         buffrag->length, PCI_DMA_TODEVICE);
+                        buffrag->dma = 0ULL;
+                }
+                for (j = 0; j < cmd_buf->frag_count; j++) {
+                        buffrag++;
+                        if (buffrag->dma) {
+                                pci_unmap_page(adapter->pdev, buffrag->dma,
+                                               buffrag->length,
+                                               PCI_DMA_TODEVICE);
+                                buffrag->dma = 0ULL;
+                        }
+                }
+                /* Free the skb we received in netxen_nic_xmit_frame */
+                if (cmd_buf->skb) {
+                        dev_kfree_skb_any(cmd_buf->skb);
+                        cmd_buf->skb = NULL;
+                }
+                cmd_buf++;
+        }
+}
 
-        addr = pci_alloc_consistent(pdev, sz, ptr);
-        if ((unsigned long long)(*ptr) < NETXEN_ADDR_LIMIT) {
-                *used_dev = pdev;
-                return addr;
+void netxen_free_sw_resources(struct netxen_adapter *adapter)
+{
+        struct netxen_recv_context *recv_ctx;
+        struct nx_host_rds_ring *rds_ring;
+        int ctx, ring;
+
+        for (ctx = 0; ctx < MAX_RCV_CTX; ctx++) {
+                recv_ctx = &adapter->recv_ctx[ctx];
+                for (ring = 0; ring < adapter->max_rds_rings; ring++) {
+                        rds_ring = &recv_ctx->rds_rings[ring];
+                        if (rds_ring->rx_buf_arr) {
+                                vfree(rds_ring->rx_buf_arr);
+                                rds_ring->rx_buf_arr = NULL;
+                        }
+                }
         }
-        pci_free_consistent(pdev, sz, addr, *ptr);
-        addr = pci_alloc_consistent(NULL, sz, ptr);
-        *used_dev = NULL;
-        return addr;
+        if (adapter->cmd_buf_arr)
+                vfree(adapter->cmd_buf_arr);
+        return;
 }
 
-void netxen_initialize_adapter_sw(struct netxen_adapter *adapter)
+int netxen_alloc_sw_resources(struct netxen_adapter *adapter)
 {
-        int ctxid, ring;
-        u32 i;
-        u32 num_rx_bufs = 0;
-        struct netxen_rcv_desc_ctx *rcv_desc;
+        struct netxen_recv_context *recv_ctx;
+        struct nx_host_rds_ring *rds_ring;
+        struct netxen_rx_buffer *rx_buf;
+        int ctx, ring, i, num_rx_bufs;
 
-        DPRINTK(INFO, "initializing some queues: %p\n", adapter);
-        for (ctxid = 0; ctxid < MAX_RCV_CTX; ++ctxid) {
-                for (ring = 0; ring < NUM_RCV_DESC_RINGS; ring++) {
-                        struct netxen_rx_buffer *rx_buf;
-                        rcv_desc = &adapter->recv_ctx[ctxid].rcv_desc[ring];
-                        rcv_desc->begin_alloc = 0;
-                        rx_buf = rcv_desc->rx_buf_arr;
-                        num_rx_bufs = rcv_desc->max_rx_desc_count;
+        struct netxen_cmd_buffer *cmd_buf_arr;
+        struct net_device *netdev = adapter->netdev;
+
+        cmd_buf_arr = (struct netxen_cmd_buffer *)vmalloc(TX_RINGSIZE);
+        if (cmd_buf_arr == NULL) {
+                printk(KERN_ERR "%s: Failed to allocate cmd buffer ring\n",
+                       netdev->name);
+                return -ENOMEM;
+        }
+        memset(cmd_buf_arr, 0, TX_RINGSIZE);
+        adapter->cmd_buf_arr = cmd_buf_arr;
+
+        for (ctx = 0; ctx < MAX_RCV_CTX; ctx++) {
+                recv_ctx = &adapter->recv_ctx[ctx];
+                for (ring = 0; ring < adapter->max_rds_rings; ring++) {
+                        rds_ring = &recv_ctx->rds_rings[ring];
+                        switch (RCV_DESC_TYPE(ring)) {
+                        case RCV_DESC_NORMAL:
+                                rds_ring->max_rx_desc_count =
+                                        adapter->max_rx_desc_count;
+                                rds_ring->flags = RCV_DESC_NORMAL;
+                                if (adapter->ahw.cut_through) {
+                                        rds_ring->dma_size =
+                                                NX_CT_DEFAULT_RX_BUF_LEN;
+                                        rds_ring->skb_size =
+                                                NX_CT_DEFAULT_RX_BUF_LEN;
+                                } else {
+                                        rds_ring->dma_size = RX_DMA_MAP_LEN;
+                                        rds_ring->skb_size =
+                                                MAX_RX_BUFFER_LENGTH;
+                                }
+                                break;
+
+                        case RCV_DESC_JUMBO:
+                                rds_ring->max_rx_desc_count =
+                                        adapter->max_jumbo_rx_desc_count;
+                                rds_ring->flags = RCV_DESC_JUMBO;
+                                if (NX_IS_REVISION_P3(adapter->ahw.revision_id))
+                                        rds_ring->dma_size =
+                                                NX_P3_RX_JUMBO_BUF_MAX_LEN;
+                                else
+                                        rds_ring->dma_size =
+                                                NX_P2_RX_JUMBO_BUF_MAX_LEN;
+                                rds_ring->skb_size =
+                                        rds_ring->dma_size + NET_IP_ALIGN;
+                                break;
+
+                        case RCV_RING_LRO:
+                                rds_ring->max_rx_desc_count =
+                                        adapter->max_lro_rx_desc_count;
+                                rds_ring->flags = RCV_DESC_LRO;
+                                rds_ring->dma_size = RX_LRO_DMA_MAP_LEN;
+                                rds_ring->skb_size = MAX_RX_LRO_BUFFER_LENGTH;
+                                break;
+
+                        }
+                        rds_ring->rx_buf_arr = (struct netxen_rx_buffer *)
+                                vmalloc(RCV_BUFFSIZE);
+                        if (rds_ring->rx_buf_arr == NULL) {
+                                printk(KERN_ERR "%s: Failed to allocate "
+                                        "rx buffer ring %d\n",
+                                        netdev->name, ring);
+                                /* free whatever was already allocated */
+                                goto err_out;
+                        }
+                        memset(rds_ring->rx_buf_arr, 0, RCV_BUFFSIZE);
+                        INIT_LIST_HEAD(&rds_ring->free_list);
+                        rds_ring->begin_alloc = 0;
                         /*
                          * Now go through all of them, set reference handles
                          * and put them in the queues.
                          */
+                        num_rx_bufs = rds_ring->max_rx_desc_count;
+                        rx_buf = rds_ring->rx_buf_arr;
                         for (i = 0; i < num_rx_bufs; i++) {
+                                list_add_tail(&rx_buf->list,
+                                                &rds_ring->free_list);
                                 rx_buf->ref_handle = i;
                                 rx_buf->state = NETXEN_BUFFER_FREE;
-                                DPRINTK(INFO, "Rx buf:ctx%d i(%d) rx_buf:"
-                                        "%p\n", ctxid, i, rx_buf);
                                 rx_buf++;
                         }
                 }
         }
+
+        return 0;
+
+err_out:
+        netxen_free_sw_resources(adapter);
+        return -ENOMEM;
 }
 
 void netxen_initialize_adapter_ops(struct netxen_adapter *adapter)
@@ -211,14 +340,12 @@ void netxen_initialize_adapter_ops(struct netxen_adapter *adapter)
                     netxen_niu_gbe_enable_phy_interrupts;
                 adapter->disable_phy_interrupts =
                     netxen_niu_gbe_disable_phy_interrupts;
-                adapter->handle_phy_intr = netxen_nic_gbe_handle_phy_intr;
                 adapter->macaddr_set = netxen_niu_macaddr_set;
                 adapter->set_mtu = netxen_nic_set_mtu_gb;
                 adapter->set_promisc = netxen_niu_set_promiscuous_mode;
-                adapter->unset_promisc = netxen_niu_set_promiscuous_mode;
                 adapter->phy_read = netxen_niu_gbe_phy_read;
                 adapter->phy_write = netxen_niu_gbe_phy_write;
-                adapter->init_niu = netxen_nic_init_niu_gb;
+                adapter->init_port = netxen_niu_gbe_init_port;
                 adapter->stop_port = netxen_niu_disable_gbe_port;
                 break;
 
@@ -227,12 +354,10 @@ void netxen_initialize_adapter_ops(struct netxen_adapter *adapter)
                     netxen_niu_xgbe_enable_phy_interrupts;
                 adapter->disable_phy_interrupts =
                     netxen_niu_xgbe_disable_phy_interrupts;
-                adapter->handle_phy_intr = netxen_nic_xgbe_handle_phy_intr;
                 adapter->macaddr_set = netxen_niu_xg_macaddr_set;
                 adapter->set_mtu = netxen_nic_set_mtu_xgb;
                 adapter->init_port = netxen_niu_xg_init_port;
                 adapter->set_promisc = netxen_niu_xg_set_promiscuous_mode;
-                adapter->unset_promisc = netxen_niu_xg_set_promiscuous_mode;
                 adapter->stop_port = netxen_niu_disable_xg_port;
                 break;
 
@@ -270,7 +395,9 @@ static u32 netxen_decode_crb_addr(u32 addr)
 
 static long rom_max_timeout = 100;
 static long rom_lock_timeout = 10000;
+#if 0
 static long rom_write_timeout = 700;
+#endif
 
 static int rom_lock(struct netxen_adapter *adapter)
 {
@@ -319,6 +446,7 @@ static int netxen_wait_rom_done(struct netxen_adapter *adapter)
         return 0;
 }
 
+#if 0
 static int netxen_rom_wren(struct netxen_adapter *adapter)
 {
         /* Set write enable latch in ROM status register */
@@ -348,6 +476,7 @@ static int netxen_do_rom_rdsr(struct netxen_adapter *adapter)
         }
         return netxen_rdcrbreg(adapter, NETXEN_ROMUSB_ROM_RDATA);
 }
+#endif
 
 static void netxen_rom_unlock(struct netxen_adapter *adapter)
 {
@@ -358,6 +487,7 @@ static void netxen_rom_unlock(struct netxen_adapter *adapter)
 
 }
 
+#if 0
 static int netxen_rom_wip_poll(struct netxen_adapter *adapter)
 {
         long timeout = 0;
@@ -393,6 +523,7 @@ static int do_rom_fast_write(struct netxen_adapter *adapter, int addr,
 
         return netxen_rom_wip_poll(adapter);
 }
+#endif
 
 static int do_rom_fast_read(struct netxen_adapter *adapter,
                             int addr, int *valp)
@@ -475,7 +606,6 @@ int netxen_rom_fast_write(struct netxen_adapter *adapter, int addr, int data)
         netxen_rom_unlock(adapter);
         return ret;
 }
-#endif  /*  0  */
 
 static int do_rom_fast_write_words(struct netxen_adapter *adapter,
                                    int addr, u8 *bytes, size_t size)
@@ -740,28 +870,25 @@ int netxen_flash_unlock(struct netxen_adapter *adapter)
 
         return ret;
 }
+#endif  /*  0  */
 
 #define NETXEN_BOARDTYPE                0x4008
 #define NETXEN_BOARDNUM                 0x400c
 #define NETXEN_CHIPNUM                  0x4010
-#define NETXEN_ROMBUS_RESET             0xFFFFFFFF
-#define NETXEN_ROM_FIRST_BARRIER        0x800000000ULL
-#define NETXEN_ROM_FOUND_INIT           0x400
 
 int netxen_pinit_from_rom(struct netxen_adapter *adapter, int verbose)
 {
         int addr, val;
-        int n, i;
-        int init_delay = 0;
+        int i, init_delay = 0;
         struct crb_addr_pair *buf;
+        unsigned offset, n;
         u32 off;
 
         /* resetall */
         netxen_crb_writelit_adapter(adapter, NETXEN_ROMUSB_GLB_SW_RESET,
-                                    NETXEN_ROMBUS_RESET);
+                                    0xffffffff);
 
         if (verbose) {
-                int val;
                 if (netxen_rom_fast_read(adapter, NETXEN_BOARDTYPE, &val) == 0)
                         printk("P2 ROM board type: 0x%08x\n", val);
                 else
@@ -776,117 +903,141 @@ int netxen_pinit_from_rom(struct netxen_adapter *adapter, int verbose)
                         printk("Could not read chip number\n");
         }
 
-        if (netxen_rom_fast_read(adapter, 0, &n) == 0
-            && (n & NETXEN_ROM_FIRST_BARRIER)) {
-                n &= ~NETXEN_ROM_ROUNDUP;
-                if (n < NETXEN_ROM_FOUND_INIT) {
-                        if (verbose)
-                                printk("%s: %d CRB init values found"
-                                       " in ROM.\n", netxen_nic_driver_name, n);
-                } else {
-                        printk("%s:n=0x%x Error! NetXen card flash not"
-                               " initialized.\n", __FUNCTION__, n);
+        if (NX_IS_REVISION_P3(adapter->ahw.revision_id)) {
+                if (netxen_rom_fast_read(adapter, 0, &n) != 0 ||
+                        (n != 0xcafecafeUL) ||
+                        netxen_rom_fast_read(adapter, 4, &n) != 0) {
+                        printk(KERN_ERR "%s: ERROR Reading crb_init area: "
+                                        "n: %08x\n", netxen_nic_driver_name, n);
                         return -EIO;
                 }
-                buf = kcalloc(n, sizeof(struct crb_addr_pair), GFP_KERNEL);
-                if (buf == NULL) {
-                        printk("%s: netxen_pinit_from_rom: Unable to calloc "
-                               "memory.\n", netxen_nic_driver_name);
-                        return -ENOMEM;
-                }
-                for (i = 0; i < n; i++) {
-                        if (netxen_rom_fast_read(adapter, 8 * i + 4, &val) != 0
-                            || netxen_rom_fast_read(adapter, 8 * i + 8,
-                                                    &addr) != 0)
-                                return -EIO;
-
-                        buf[i].addr = addr;
-                        buf[i].data = val;
-
-                        if (verbose)
-                                printk("%s: PCI:     0x%08x == 0x%08x\n",
-                                       netxen_nic_driver_name, (unsigned int)
-                                       netxen_decode_crb_addr(addr), val);
+                offset = n & 0xffffU;
+                n = (n >> 16) & 0xffffU;
+        } else {
+                if (netxen_rom_fast_read(adapter, 0, &n) != 0 ||
+                        !(n & 0x80000000)) {
+                        printk(KERN_ERR "%s: ERROR Reading crb_init area: "
+                                        "n: %08x\n", netxen_nic_driver_name, n);
+                        return -EIO;
                 }
-                for (i = 0; i < n; i++) {
+                offset = 1;
+                n &= ~0x80000000;
+        }
+
+        if (n < 1024) {
+                if (verbose)
+                        printk(KERN_DEBUG "%s: %d CRB init values found"
+                               " in ROM.\n", netxen_nic_driver_name, n);
+        } else {
+                printk(KERN_ERR "%s:n=0x%x Error! NetXen card flash not"
+                       " initialized.\n", __func__, n);
+                return -EIO;
+        }
+
+        buf = kcalloc(n, sizeof(struct crb_addr_pair), GFP_KERNEL);
+        if (buf == NULL) {
+                printk("%s: netxen_pinit_from_rom: Unable to calloc memory.\n",
+                                netxen_nic_driver_name);
+                return -ENOMEM;
+        }
+        for (i = 0; i < n; i++) {
+                if (netxen_rom_fast_read(adapter, 8*i + 4*offset, &val) != 0 ||
+                netxen_rom_fast_read(adapter, 8*i + 4*offset + 4, &addr) != 0)
+                        return -EIO;
+
+                buf[i].addr = addr;
+                buf[i].data = val;
 
-                        off = netxen_decode_crb_addr(buf[i].addr);
-                        if (off == NETXEN_ADDR_ERROR) {
-                                printk(KERN_ERR"CRB init value out of range %x\n",
+                if (verbose)
+                        printk(KERN_DEBUG "%s: PCI:     0x%08x == 0x%08x\n",
+                                netxen_nic_driver_name,
+                                (u32)netxen_decode_crb_addr(addr), val);
+        }
+        for (i = 0; i < n; i++) {
+
+                off = netxen_decode_crb_addr(buf[i].addr);
+                if (off == NETXEN_ADDR_ERROR) {
+                        printk(KERN_ERR"CRB init value out of range %x\n",
                                         buf[i].addr);
+                        continue;
+                }
+                off += NETXEN_PCI_CRBSPACE;
+                /* skipping cold reboot MAGIC */
+                if (off == NETXEN_CAM_RAM(0x1fc))
+                        continue;
+
+                if (NX_IS_REVISION_P3(adapter->ahw.revision_id)) {
+                        /* do not reset PCI */
+                        if (off == (ROMUSB_GLB + 0xbc))
                                 continue;
-                        }
-                        off += NETXEN_PCI_CRBSPACE;
-                        /* skipping cold reboot MAGIC */
-                        if (off == NETXEN_CAM_RAM(0x1fc))
+                        if (off == (NETXEN_CRB_PEG_NET_1 + 0x18))
+                                buf[i].data = 0x1020;
+                        /* skip the function enable register */
+                        if (off == NETXEN_PCIE_REG(PCIE_SETUP_FUNCTION))
+                                continue;
+                        if (off == NETXEN_PCIE_REG(PCIE_SETUP_FUNCTION2))
                                 continue;
+                        if ((off & 0x0ff00000) == NETXEN_CRB_SMB)
+                                continue;
+                }
 
-                        /* After writing this register, HW needs time for CRB */
-                        /* to quiet down (else crb_window returns 0xffffffff) */
-                        if (off == NETXEN_ROMUSB_GLB_SW_RESET) {
-                                init_delay = 1;
+                if (off == NETXEN_ADDR_ERROR) {
+                        printk(KERN_ERR "%s: Err: Unknown addr: 0x%08x\n",
+                                        netxen_nic_driver_name, buf[i].addr);
+                        continue;
+                }
+
+                /* After writing this register, HW needs time for CRB */
+                /* to quiet down (else crb_window returns 0xffffffff) */
+                if (off == NETXEN_ROMUSB_GLB_SW_RESET) {
+                        init_delay = 1;
+                        if (NX_IS_REVISION_P2(adapter->ahw.revision_id)) {
                                 /* hold xdma in reset also */
                                 buf[i].data = NETXEN_NIC_XDMA_RESET;
                         }
+                }
 
-                        if (ADDR_IN_WINDOW1(off)) {
-                                writel(buf[i].data,
-                                       NETXEN_CRB_NORMALIZE(adapter, off));
-                        } else {
-                                netxen_nic_pci_change_crbwindow(adapter, 0);
-                                writel(buf[i].data,
-                                       pci_base_offset(adapter, off));
+                adapter->hw_write_wx(adapter, off, &buf[i].data, 4);
 
-                                netxen_nic_pci_change_crbwindow(adapter, 1);
-                        }
-                        if (init_delay == 1) {
-                                msleep(1000);
-                                init_delay = 0;
-                        }
-                        msleep(1);
+                if (init_delay == 1) {
+                        msleep(1000);
+                        init_delay = 0;
                 }
-                kfree(buf);
+                msleep(1);
+        }
+        kfree(buf);
 
-                /* disable_peg_cache_all */
+        /* disable_peg_cache_all */
 
-                /* unreset_net_cache */
-                netxen_nic_hw_read_wx(adapter, NETXEN_ROMUSB_GLB_SW_RESET, &val,
-                                      4);
-                netxen_crb_writelit_adapter(adapter, NETXEN_ROMUSB_GLB_SW_RESET,
-                                            (val & 0xffffff0f));
-                /* p2dn replyCount */
-                netxen_crb_writelit_adapter(adapter,
-                                            NETXEN_CRB_PEG_NET_D + 0xec, 0x1e);
-                /* disable_peg_cache 0 */
+        /* unreset_net_cache */
+        if (NX_IS_REVISION_P2(adapter->ahw.revision_id)) {
+                adapter->hw_read_wx(adapter,
+                                NETXEN_ROMUSB_GLB_SW_RESET, &val, 4);
                 netxen_crb_writelit_adapter(adapter,
-                                            NETXEN_CRB_PEG_NET_D + 0x4c, 8);
-                /* disable_peg_cache 1 */
-                netxen_crb_writelit_adapter(adapter,
-                                            NETXEN_CRB_PEG_NET_I + 0x4c, 8);
-
-                /* peg_clr_all */
-
-                /* peg_clr 0 */
-                netxen_crb_writelit_adapter(adapter, NETXEN_CRB_PEG_NET_0 + 0x8,
-                                            0);
-                netxen_crb_writelit_adapter(adapter, NETXEN_CRB_PEG_NET_0 + 0xc,
-                                            0);
-                /* peg_clr 1 */
-                netxen_crb_writelit_adapter(adapter, NETXEN_CRB_PEG_NET_1 + 0x8,
-                                            0);
-                netxen_crb_writelit_adapter(adapter, NETXEN_CRB_PEG_NET_1 + 0xc,
-                                            0);
-                /* peg_clr 2 */
-                netxen_crb_writelit_adapter(adapter, NETXEN_CRB_PEG_NET_2 + 0x8,
-                                            0);
-                netxen_crb_writelit_adapter(adapter, NETXEN_CRB_PEG_NET_2 + 0xc,
-                                            0);
-                /* peg_clr 3 */
-                netxen_crb_writelit_adapter(adapter, NETXEN_CRB_PEG_NET_3 + 0x8,
-                                            0);
-                netxen_crb_writelit_adapter(adapter, NETXEN_CRB_PEG_NET_3 + 0xc,
-                                            0);
+                                NETXEN_ROMUSB_GLB_SW_RESET, (val & 0xffffff0f));
         }
+
+        /* p2dn replyCount */
+        netxen_crb_writelit_adapter(adapter, NETXEN_CRB_PEG_NET_D + 0xec, 0x1e);
+        /* disable_peg_cache 0 */
+        netxen_crb_writelit_adapter(adapter, NETXEN_CRB_PEG_NET_D + 0x4c, 8);
+        /* disable_peg_cache 1 */
+        netxen_crb_writelit_adapter(adapter, NETXEN_CRB_PEG_NET_I + 0x4c, 8);
+
+        /* peg_clr_all */
+
+        /* peg_clr 0 */
+        netxen_crb_writelit_adapter(adapter, NETXEN_CRB_PEG_NET_0 + 0x8, 0);
+        netxen_crb_writelit_adapter(adapter, NETXEN_CRB_PEG_NET_0 + 0xc, 0);
+        /* peg_clr 1 */
+        netxen_crb_writelit_adapter(adapter, NETXEN_CRB_PEG_NET_1 + 0x8, 0);
+        netxen_crb_writelit_adapter(adapter, NETXEN_CRB_PEG_NET_1 + 0xc, 0);
+        /* peg_clr 2 */
+        netxen_crb_writelit_adapter(adapter, NETXEN_CRB_PEG_NET_2 + 0x8, 0);
+        netxen_crb_writelit_adapter(adapter, NETXEN_CRB_PEG_NET_2 + 0xc, 0);
+        /* peg_clr 3 */
+        netxen_crb_writelit_adapter(adapter, NETXEN_CRB_PEG_NET_3 + 0x8, 0);
+        netxen_crb_writelit_adapter(adapter, NETXEN_CRB_PEG_NET_3 + 0xc, 0);
         return 0;
 }
 
@@ -897,12 +1048,12 @@ int netxen_initialize_adapter_offload(struct netxen_adapter *adapter)
         uint32_t lo;
 
         adapter->dummy_dma.addr =
-            pci_alloc_consistent(adapter->ahw.pdev,
+            pci_alloc_consistent(adapter->pdev,
                                  NETXEN_HOST_DUMMY_DMA_SIZE,
                                  &adapter->dummy_dma.phys_addr);
         if (adapter->dummy_dma.addr == NULL) {
                 printk("%s: ERROR: Could not allocate dummy DMA memory\n",
-                       __FUNCTION__);
+                       __func__);
                 return -ENOMEM;
         }
 
@@ -910,8 +1061,13 @@ int netxen_initialize_adapter_offload(struct netxen_adapter *adapter)
         hi = (addr >> 32) & 0xffffffff;
         lo = addr & 0xffffffff;
 
-        writel(hi, NETXEN_CRB_NORMALIZE(adapter, CRB_HOST_DUMMY_BUF_ADDR_HI));
-        writel(lo, NETXEN_CRB_NORMALIZE(adapter, CRB_HOST_DUMMY_BUF_ADDR_LO));
+        adapter->pci_write_normalize(adapter, CRB_HOST_DUMMY_BUF_ADDR_HI, hi);
+        adapter->pci_write_normalize(adapter, CRB_HOST_DUMMY_BUF_ADDR_LO, lo);
+
+        if (NX_IS_REVISION_P3(adapter->ahw.revision_id)) {
+                uint32_t temp = 0;
+                adapter->hw_write_wx(adapter, CRB_HOST_DUMMY_BUF, &temp, 4);
+        }
 
         return 0;
 }
@@ -931,7 +1087,7 @@ void netxen_free_adapter_offload(struct netxen_adapter *adapter)
                 } while (--i);
 
                 if (i) {
-                        pci_free_consistent(adapter->ahw.pdev,
+                        pci_free_consistent(adapter->pdev,
                                     NETXEN_HOST_DUMMY_DMA_SIZE,
                                     adapter->dummy_dma.addr,
                                     adapter->dummy_dma.phys_addr);
@@ -946,22 +1102,24 @@ void netxen_free_adapter_offload(struct netxen_adapter *adapter)
 int netxen_phantom_init(struct netxen_adapter *adapter, int pegtune_val)
 {
         u32 val = 0;
-        int retries = 30;
+        int retries = 60;
 
         if (!pegtune_val) {
                 do {
-                        val = readl(NETXEN_CRB_NORMALIZE
-                                  (adapter, CRB_CMDPEG_STATE));
-                        pegtune_val = readl(NETXEN_CRB_NORMALIZE
-                                  (adapter, NETXEN_ROMUSB_GLB_PEGTUNE_DONE));
+                        val = adapter->pci_read_normalize(adapter,
+                                        CRB_CMDPEG_STATE);
 
                         if (val == PHAN_INITIALIZE_COMPLETE ||
                                 val == PHAN_INITIALIZE_ACK)
                                 return 0;
 
-                        msleep(1000);
+                        msleep(500);
+
                 } while (--retries);
+
                 if (!retries) {
+                        pegtune_val = adapter->pci_read_normalize(adapter,
+                                        NETXEN_ROMUSB_GLB_PEGTUNE_DONE);
                         printk(KERN_WARNING "netxen_phantom_init: init failed, "
                                         "pegtune_val=%x\n", pegtune_val);
                         return -1;
@@ -971,58 +1129,61 @@ int netxen_phantom_init(struct netxen_adapter *adapter, int pegtune_val)
         return 0;
 }
 
-static int netxen_nic_check_temp(struct netxen_adapter *adapter)
+int netxen_receive_peg_ready(struct netxen_adapter *adapter)
 {
-        struct net_device *netdev = adapter->netdev;
-        uint32_t temp, temp_state, temp_val;
-        int rv = 0;
-
-        temp = readl(NETXEN_CRB_NORMALIZE(adapter, CRB_TEMP_STATE));
-
-        temp_state = nx_get_temp_state(temp);
-        temp_val = nx_get_temp_val(temp);
-
-        if (temp_state == NX_TEMP_PANIC) {
-                printk(KERN_ALERT
-                       "%s: Device temperature %d degrees C exceeds"
-                       " maximum allowed. Hardware has been shut down.\n",
-                       netxen_nic_driver_name, temp_val);
-
-                netif_carrier_off(netdev);
-                netif_stop_queue(netdev);
-                rv = 1;
-        } else if (temp_state == NX_TEMP_WARN) {
-                if (adapter->temp == NX_TEMP_NORMAL) {
-                        printk(KERN_ALERT
-                               "%s: Device temperature %d degrees C "
-                               "exceeds operating range."
-                               " Immediate action needed.\n",
-                               netxen_nic_driver_name, temp_val);
-                }
-        } else {
-                if (adapter->temp == NX_TEMP_WARN) {
-                        printk(KERN_INFO
-                               "%s: Device temperature is now %d degrees C"
-                               " in normal range.\n", netxen_nic_driver_name,
-                               temp_val);
-                }
+        u32 val = 0;
+        int retries = 2000;
+
+        do {
+                val = adapter->pci_read_normalize(adapter, CRB_RCVPEG_STATE);
+
+                if (val == PHAN_PEG_RCV_INITIALIZED)
+                        return 0;
+
+                msleep(10);
+
+        } while (--retries);
+
+        if (!retries) {
+                printk(KERN_ERR "Receive Peg initialization not "
+                              "complete, state: 0x%x.\n", val);
+                return -EIO;
         }
-        adapter->temp = temp_state;
-        return rv;
+
+        return 0;
 }
 
-void netxen_watchdog_task(struct work_struct *work)
+static struct sk_buff *netxen_process_rxbuf(struct netxen_adapter *adapter,
+                struct nx_host_rds_ring *rds_ring, u16 index, u16 cksum)
 {
-        struct netxen_adapter *adapter =
-                container_of(work, struct netxen_adapter, watchdog_task);
+        struct netxen_rx_buffer *buffer;
+        struct sk_buff *skb;
 
-        if ((adapter->portnum  == 0) && netxen_nic_check_temp(adapter))
-                return;
+        buffer = &rds_ring->rx_buf_arr[index];
+
+        pci_unmap_single(adapter->pdev, buffer->dma, rds_ring->dma_size,
+                        PCI_DMA_FROMDEVICE);
 
-        if (adapter->handle_phy_intr)
-                adapter->handle_phy_intr(adapter);
+        skb = buffer->skb;
+        if (!skb)
+                goto no_skb;
 
-        mod_timer(&adapter->watchdog_timer, jiffies + 2 * HZ);
+        if (likely(adapter->rx_csum && cksum == STATUS_CKSUM_OK)) {
+                adapter->stats.csummed++;
+                skb->ip_summed = CHECKSUM_UNNECESSARY;
+        } else
+                skb->ip_summed = CHECKSUM_NONE;
+
+        skb->dev = adapter->netdev;
+
+        buffer->skb = NULL;
+
+no_skb:
+        buffer->state = NETXEN_BUFFER_FREE;
+        buffer->lro_current_frags = 0;
+        buffer->lro_expected_frags = 0;
+        list_add_tail(&buffer->list, &rds_ring->free_list);
+        return skb;
 }
 
 /*
@@ -1031,9 +1192,8 @@ void netxen_watchdog_task(struct work_struct *work)
  * invoke the routine to send more rx buffers to the Phantom...
  */
 static void netxen_process_rcv(struct netxen_adapter *adapter, int ctxid,
-                               struct status_desc *desc)
+                struct status_desc *desc, struct status_desc *frag_desc)
 {
-        struct pci_dev *pdev = adapter->pdev;
         struct net_device *netdev = adapter->netdev;
         u64 sts_data = le64_to_cpu(desc->status_desc_data);
         int index = netxen_get_sts_refhandle(sts_data);
@@ -1042,8 +1202,8 @@ static void netxen_process_rcv(struct netxen_adapter *adapter, int ctxid,
         struct sk_buff *skb;
         u32 length = netxen_get_sts_totallength(sts_data);
         u32 desc_ctx;
-        struct netxen_rcv_desc_ctx *rcv_desc;
-        int ret;
+        u16 pkt_offset = 0, cksum;
+        struct nx_host_rds_ring *rds_ring;
 
         desc_ctx = netxen_get_sts_type(sts_data);
         if (unlikely(desc_ctx >= NUM_RCV_DESC_RINGS)) {
@@ -1052,13 +1212,13 @@ static void netxen_process_rcv(struct netxen_adapter *adapter, int ctxid,
                 return;
         }
 
-        rcv_desc = &recv_ctx->rcv_desc[desc_ctx];
-        if (unlikely(index > rcv_desc->max_rx_desc_count)) {
+        rds_ring = &recv_ctx->rds_rings[desc_ctx];
+        if (unlikely(index > rds_ring->max_rx_desc_count)) {
                 DPRINTK(ERR, "Got a buffer index:%x Max is %x\n",
-                        index, rcv_desc->max_rx_desc_count);
+                        index, rds_ring->max_rx_desc_count);
                 return;
         }
-        buffer = &rcv_desc->rx_buf_arr[index];
+        buffer = &rds_ring->rx_buf_arr[index];
         if (desc_ctx == RCV_DESC_LRO_CTXID) {
                 buffer->lro_current_frags++;
                 if (netxen_get_sts_desc_lro_last_frag(desc)) {
@@ -1079,43 +1239,52 @@ static void netxen_process_rcv(struct netxen_adapter *adapter, int ctxid,
                 }
         }
 
-        pci_unmap_single(pdev, buffer->dma, rcv_desc->dma_size,
-                         PCI_DMA_FROMDEVICE);
+        cksum = netxen_get_sts_status(sts_data);
 
-        skb = (struct sk_buff *)buffer->skb;
-
-        if (likely(adapter->rx_csum &&
-                        netxen_get_sts_status(sts_data) == STATUS_CKSUM_OK)) {
-                adapter->stats.csummed++;
-                skb->ip_summed = CHECKSUM_UNNECESSARY;
-        } else
-                skb->ip_summed = CHECKSUM_NONE;
+        skb = netxen_process_rxbuf(adapter, rds_ring, index, cksum);
+        if (!skb)
+                return;
 
-        skb->dev = netdev;
         if (desc_ctx == RCV_DESC_LRO_CTXID) {
                 /* True length was only available on the last pkt */
                 skb_put(skb, buffer->lro_length);
         } else {
-                skb_put(skb, length);
+                if (length > rds_ring->skb_size)
+                        skb_put(skb, rds_ring->skb_size);
+                else
+                        skb_put(skb, length);
+
+                pkt_offset = netxen_get_sts_pkt_offset(sts_data);
+                if (pkt_offset)
+                        skb_pull(skb, pkt_offset);
         }
 
         skb->protocol = eth_type_trans(skb, netdev);
 
-        ret = netif_receive_skb(skb);
-        netdev->last_rx = jiffies;
-
-        rcv_desc->rcv_pending--;
-
         /*
-         * We just consumed one buffer so post a buffer.
+         * rx buffer chaining is disabled, walk and free
+         * any spurious rx buffer chain.
          */
-        buffer->skb = NULL;
-        buffer->state = NETXEN_BUFFER_FREE;
-        buffer->lro_current_frags = 0;
-        buffer->lro_expected_frags = 0;
+        if (frag_desc) {
+                u16 i, nr_frags = desc->nr_frags;
+
+                dev_kfree_skb_any(skb);
+                for (i = 0; i < nr_frags; i++) {
+                        index = frag_desc->frag_handles[i];
+                        skb = netxen_process_rxbuf(adapter,
+                                        rds_ring, index, cksum);
+                        if (skb)
+                                dev_kfree_skb_any(skb);
+                }
+                adapter->stats.rxdropped++;
+        } else {
 
-        adapter->stats.no_rcv++;
-        adapter->stats.rxbytes += length;
+                netif_receive_skb(skb);
+                netdev->last_rx = jiffies;
+
+                adapter->stats.no_rcv++;
+                adapter->stats.rxbytes += length;
+        }
 }
 
 /* Process Receive status ring */
@@ -1123,10 +1292,11 @@ u32 netxen_process_rcv_ring(struct netxen_adapter *adapter, int ctxid, int max)
 {
         struct netxen_recv_context *recv_ctx = &(adapter->recv_ctx[ctxid]);
         struct status_desc *desc_head = recv_ctx->rcv_status_desc_head;
-        struct status_desc *desc;       /* used to read status desc here */
+        struct status_desc *desc, *frag_desc;
         u32 consumer = recv_ctx->status_rx_consumer;
-        u32 producer = 0;
         int count = 0, ring;
+        u64 sts_data;
+        u16 opcode;
 
         while (count < max) {
                 desc = &desc_head[consumer];
@@ -1135,24 +1305,38 @@ u32 netxen_process_rcv_ring(struct netxen_adapter *adapter, int ctxid, int max)
                                 netxen_get_sts_owner(desc));
                         break;
                 }
-                netxen_process_rcv(adapter, ctxid, desc);
+
+                sts_data = le64_to_cpu(desc->status_desc_data);
+                opcode = netxen_get_sts_opcode(sts_data);
+                frag_desc = NULL;
+                if (opcode == NETXEN_NIC_RXPKT_DESC) {
+                        if (desc->nr_frags) {
+                                consumer = get_next_index(consumer,
+                                                adapter->max_rx_desc_count);
+                                frag_desc = &desc_head[consumer];
+                                netxen_set_sts_owner(frag_desc,
+                                                STATUS_OWNER_PHANTOM);
+                        }
+                }
+
+                netxen_process_rcv(adapter, ctxid, desc, frag_desc);
+
                 netxen_set_sts_owner(desc, STATUS_OWNER_PHANTOM);
-                consumer = (consumer + 1) & (adapter->max_rx_desc_count - 1);
+
+                consumer = get_next_index(consumer,
+                                adapter->max_rx_desc_count);
                 count++;
         }
-        for (ring = 0; ring < NUM_RCV_DESC_RINGS; ring++)
+        for (ring = 0; ring < adapter->max_rds_rings; ring++)
                 netxen_post_rx_buffers_nodb(adapter, ctxid, ring);
 
         /* update the consumer index in phantom */
         if (count) {
                 recv_ctx->status_rx_consumer = consumer;
-                recv_ctx->status_rx_producer = producer;
 
                 /* Window = 1 */
-                writel(consumer,
-                       NETXEN_CRB_NORMALIZE(adapter,
-                                    recv_crb_registers[adapter->portnum].
-                                            crb_rcv_status_consumer));
+                adapter->pci_write_normalize(adapter,
+                                recv_ctx->crb_sts_consumer, consumer);
         }
 
         return count;
@@ -1231,10 +1415,10 @@ int netxen_process_cmd_ring(struct netxen_adapter *adapter)
  */
 void netxen_post_rx_buffers(struct netxen_adapter *adapter, u32 ctx, u32 ringid)
 {
-        struct pci_dev *pdev = adapter->ahw.pdev;
+        struct pci_dev *pdev = adapter->pdev;
         struct sk_buff *skb;
         struct netxen_recv_context *recv_ctx = &(adapter->recv_ctx[ctx]);
-        struct netxen_rcv_desc_ctx *rcv_desc = NULL;
+        struct nx_host_rds_ring *rds_ring = NULL;
         uint producer;
         struct rcv_desc *pdesc;
         struct netxen_rx_buffer *buffer;
@@ -1242,41 +1426,36 @@ void netxen_post_rx_buffers(struct netxen_adapter *adapter, u32 ctx, u32 ringid)
         int index = 0;
         netxen_ctx_msg msg = 0;
         dma_addr_t dma;
+        struct list_head *head;
 
-        rcv_desc = &recv_ctx->rcv_desc[ringid];
+        rds_ring = &recv_ctx->rds_rings[ringid];
+
+        producer = rds_ring->producer;
+        index = rds_ring->begin_alloc;
+        head = &rds_ring->free_list;
 
-        producer = rcv_desc->producer;
-        index = rcv_desc->begin_alloc;
-        buffer = &rcv_desc->rx_buf_arr[index];
         /* We can start writing rx descriptors into the phantom memory. */
-        while (buffer->state == NETXEN_BUFFER_FREE) {
-                skb = dev_alloc_skb(rcv_desc->skb_size);
+        while (!list_empty(head)) {
+
+                skb = dev_alloc_skb(rds_ring->skb_size);
                 if (unlikely(!skb)) {
-                        /*
-                         * TODO
-                         * We need to schedule the posting of buffers to the pegs.
-                         */
-                        rcv_desc->begin_alloc = index;
-                        DPRINTK(ERR, "netxen_post_rx_buffers: "
-                                " allocated only %d buffers\n", count);
+                        rds_ring->begin_alloc = index;
                         break;
                 }
 
+                buffer = list_entry(head->next, struct netxen_rx_buffer, list);
+                list_del(&buffer->list);
+
                 count++;        /* now there should be no failure */
-                pdesc = &rcv_desc->desc_head[producer];
+                pdesc = &rds_ring->desc_head[producer];
 
-#if defined(XGB_DEBUG)
-                *(unsigned long *)(skb->head) = 0xc0debabe;
-                if (skb_is_nonlinear(skb)) {
-                        printk("Allocated SKB @%p is nonlinear\n");
-                }
-#endif
-                skb_reserve(skb, 2);
+                if (!adapter->ahw.cut_through)
+                        skb_reserve(skb, 2);
                 /* This will be setup when we receive the
                  * buffer after it has been filled  FSL  TBD TBD
                  * skb->dev = netdev;
                  */
-                dma = pci_map_single(pdev, skb->data, rcv_desc->dma_size,
+                dma = pci_map_single(pdev, skb->data, rds_ring->dma_size,
                                      PCI_DMA_FROMDEVICE);
                 pdesc->addr_buffer = cpu_to_le64(dma);
                 buffer->skb = skb;
@@ -1284,112 +1463,101 @@ void netxen_post_rx_buffers(struct netxen_adapter *adapter, u32 ctx, u32 ringid)
                 buffer->dma = dma;
                 /* make a rcv descriptor  */
                 pdesc->reference_handle = cpu_to_le16(buffer->ref_handle);
-                pdesc->buffer_length = cpu_to_le32(rcv_desc->dma_size);
+                pdesc->buffer_length = cpu_to_le32(rds_ring->dma_size);
                 DPRINTK(INFO, "done writing descripter\n");
                 producer =
-                    get_next_index(producer, rcv_desc->max_rx_desc_count);
-                index = get_next_index(index, rcv_desc->max_rx_desc_count);
-                buffer = &rcv_desc->rx_buf_arr[index];
+                    get_next_index(producer, rds_ring->max_rx_desc_count);
+                index = get_next_index(index, rds_ring->max_rx_desc_count);
         }
         /* if we did allocate buffers, then write the count to Phantom */
         if (count) {
-                rcv_desc->begin_alloc = index;
-                rcv_desc->rcv_pending += count;
-                rcv_desc->producer = producer;
+                rds_ring->begin_alloc = index;
+                rds_ring->producer = producer;
                         /* Window = 1 */
-                        writel((producer - 1) &
-                               (rcv_desc->max_rx_desc_count - 1),
-                               NETXEN_CRB_NORMALIZE(adapter,
-                                                    recv_crb_registers[
-                                                    adapter->portnum].
-                                                    rcv_desc_crb[ringid].
-                                                    crb_rcv_producer_offset));
+                adapter->pci_write_normalize(adapter,
+                                rds_ring->crb_rcv_producer,
+                                (producer-1) & (rds_ring->max_rx_desc_count-1));
+
+                if (adapter->fw_major < 4) {
                         /*
                          * Write a doorbell msg to tell phanmon of change in
                          * receive ring producer
+                         * Only for firmware version < 4.0.0
                          */
                         netxen_set_msg_peg_id(msg, NETXEN_RCV_PEG_DB_ID);
                         netxen_set_msg_privid(msg);
                         netxen_set_msg_count(msg,
                                              ((producer -
-                                               1) & (rcv_desc->
+                                               1) & (rds_ring->
                                                      max_rx_desc_count - 1)));
                         netxen_set_msg_ctxid(msg, adapter->portnum);
                         netxen_set_msg_opcode(msg, NETXEN_RCV_PRODUCER(ringid));
                         writel(msg,
                                DB_NORMALIZE(adapter,
                                             NETXEN_RCV_PRODUCER_OFFSET));
+                }
         }
 }
 
 static void netxen_post_rx_buffers_nodb(struct netxen_adapter *adapter,
                                         uint32_t ctx, uint32_t ringid)
 {
-        struct pci_dev *pdev = adapter->ahw.pdev;
+        struct pci_dev *pdev = adapter->pdev;
         struct sk_buff *skb;
         struct netxen_recv_context *recv_ctx = &(adapter->recv_ctx[ctx]);
-        struct netxen_rcv_desc_ctx *rcv_desc = NULL;
+        struct nx_host_rds_ring *rds_ring = NULL;
         u32 producer;
         struct rcv_desc *pdesc;
         struct netxen_rx_buffer *buffer;
         int count = 0;
         int index = 0;
+        struct list_head *head;
 
-        rcv_desc = &recv_ctx->rcv_desc[ringid];
+        rds_ring = &recv_ctx->rds_rings[ringid];
 
-        producer = rcv_desc->producer;
-        index = rcv_desc->begin_alloc;
-        buffer = &rcv_desc->rx_buf_arr[index];
+        producer = rds_ring->producer;
+        index = rds_ring->begin_alloc;
+        head = &rds_ring->free_list;
         /* We can start writing rx descriptors into the phantom memory. */
-        while (buffer->state == NETXEN_BUFFER_FREE) {
-                skb = dev_alloc_skb(rcv_desc->skb_size);
+        while (!list_empty(head)) {
+
+                skb = dev_alloc_skb(rds_ring->skb_size);
                 if (unlikely(!skb)) {
-                        /*
-                         * We need to schedule the posting of buffers to the pegs.
-                         */
-                        rcv_desc->begin_alloc = index;
-                        DPRINTK(ERR, "netxen_post_rx_buffers_nodb: "
-                                " allocated only %d buffers\n", count);
+                        rds_ring->begin_alloc = index;
                         break;
                 }
+
+                buffer = list_entry(head->next, struct netxen_rx_buffer, list);
+                list_del(&buffer->list);
+
                 count++;        /* now there should be no failure */
-                pdesc = &rcv_desc->desc_head[producer];
-                skb_reserve(skb, 2);
-                /*
-                 * This will be setup when we receive the
-                 * buffer after it has been filled
-                 * skb->dev = netdev;
-                 */
+                pdesc = &rds_ring->desc_head[producer];
+                if (!adapter->ahw.cut_through)
+                        skb_reserve(skb, 2);
                 buffer->skb = skb;
                 buffer->state = NETXEN_BUFFER_BUSY;
                 buffer->dma = pci_map_single(pdev, skb->data,
-                                             rcv_desc->dma_size,
+                                             rds_ring->dma_size,
                                              PCI_DMA_FROMDEVICE);
 
                 /* make a rcv descriptor  */
                 pdesc->reference_handle = cpu_to_le16(buffer->ref_handle);
-                pdesc->buffer_length = cpu_to_le32(rcv_desc->dma_size);
+                pdesc->buffer_length = cpu_to_le32(rds_ring->dma_size);
                 pdesc->addr_buffer = cpu_to_le64(buffer->dma);
-                DPRINTK(INFO, "done writing descripter\n");
                 producer =
-                    get_next_index(producer, rcv_desc->max_rx_desc_count);
-                index = get_next_index(index, rcv_desc->max_rx_desc_count);
-                buffer = &rcv_desc->rx_buf_arr[index];
+                    get_next_index(producer, rds_ring->max_rx_desc_count);
+                index = get_next_index(index, rds_ring->max_rx_desc_count);
+                buffer = &rds_ring->rx_buf_arr[index];
         }
 
         /* if we did allocate buffers, then write the count to Phantom */
         if (count) {
-                rcv_desc->begin_alloc = index;
-                rcv_desc->rcv_pending += count;
-                rcv_desc->producer = producer;
+                rds_ring->begin_alloc = index;
+                rds_ring->producer = producer;
                         /* Window = 1 */
-                        writel((producer - 1) &
-                               (rcv_desc->max_rx_desc_count - 1),
-                               NETXEN_CRB_NORMALIZE(adapter,
-                                                    recv_crb_registers[
-                                                    adapter->portnum].
-                                                    rcv_desc_crb[ringid].
-                                                    crb_rcv_producer_offset));
+                adapter->pci_write_normalize(adapter,
+                        rds_ring->crb_rcv_producer,
+                                (producer-1) & (rds_ring->max_rx_desc_count-1));
                         wmb();
         }
 }
diff --git a/drivers/net/netxen/netxen_nic_isr.c b/drivers/net/netxen/netxen_nic_isr.c
deleted file mode 100644
index 96cec41f9019..000000000000
--- a/drivers/net/netxen/netxen_nic_isr.c
+++ /dev/null
@@ -1,220 +0,0 @@
-/*
- * Copyright (C) 2003 - 2006 NetXen, Inc.
- * All rights reserved.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version 2
- * of the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place - Suite 330, Boston,
- * MA  02111-1307, USA.
- *
- * The full GNU General Public License is included in this distribution
- * in the file called LICENSE.
- *
- * Contact Information:
- *    info@netxen.com
- * NetXen,
- * 3965 Freedom Circle, Fourth floor,
- * Santa Clara, CA 95054
- */
-
-#include <linux/netdevice.h>
-#include <linux/delay.h>
-
-#include "netxen_nic.h"
-#include "netxen_nic_hw.h"
-#include "netxen_nic_phan_reg.h"
-
-/*
- * netxen_nic_get_stats - Get System Network Statistics
- * @netdev: network interface device structure
- */
-struct net_device_stats *netxen_nic_get_stats(struct net_device *netdev)
-{
-        struct netxen_adapter *adapter = netdev_priv(netdev);
-        struct net_device_stats *stats = &adapter->net_stats;
-
-        memset(stats, 0, sizeof(*stats));
-
-        /* total packets received   */
-        stats->rx_packets = adapter->stats.no_rcv;
-        /* total packets transmitted    */
-        stats->tx_packets = adapter->stats.xmitedframes +
-                adapter->stats.xmitfinished;
-        /* total bytes received     */
-        stats->rx_bytes = adapter->stats.rxbytes;
-        /* total bytes transmitted  */
-        stats->tx_bytes = adapter->stats.txbytes;
-        /* bad packets received     */
-        stats->rx_errors = adapter->stats.rcvdbadskb;
-        /* packet transmit problems */
-        stats->tx_errors = adapter->stats.nocmddescriptor;
-        /* no space in linux buffers    */
-        stats->rx_dropped = adapter->stats.rxdropped;
-        /* no space available in linux  */
-        stats->tx_dropped = adapter->stats.txdropped;
-
-        return stats;
-}
-
-static void netxen_indicate_link_status(struct netxen_adapter *adapter,
-                                        u32 link)
-{
-        struct net_device *netdev = adapter->netdev;
-
-        if (link)
-                netif_carrier_on(netdev);
-        else
-                netif_carrier_off(netdev);
-}
-
-#if 0
-void netxen_handle_port_int(struct netxen_adapter *adapter, u32 enable)
-{
-        __u32 int_src;
-
-        /*  This should clear the interrupt source */
-        if (adapter->phy_read)
-                adapter->phy_read(adapter,
-                                  NETXEN_NIU_GB_MII_MGMT_ADDR_INT_STATUS,
-                                  &int_src);
-        if (int_src == 0) {
-                DPRINTK(INFO, "No phy interrupts for port #%d\n", portno);
-                return;
-        }
-        if (adapter->disable_phy_interrupts)
-                adapter->disable_phy_interrupts(adapter);
-
-        if (netxen_get_phy_int_jabber(int_src))
-                DPRINTK(INFO, "Jabber interrupt \n");
-
-        if (netxen_get_phy_int_polarity_changed(int_src))
-                DPRINTK(INFO, "POLARITY CHANGED int \n");
-
-        if (netxen_get_phy_int_energy_detect(int_src))
-                DPRINTK(INFO, "ENERGY DETECT INT \n");
-
-        if (netxen_get_phy_int_downshift(int_src))
-                DPRINTK(INFO, "DOWNSHIFT INT \n");
-        /* write it down later.. */
-        if ((netxen_get_phy_int_speed_changed(int_src))
-            || (netxen_get_phy_int_link_status_changed(int_src))) {
-                __u32 status;
-
-                DPRINTK(INFO, "SPEED CHANGED OR LINK STATUS CHANGED \n");
-
-                if (adapter->phy_read
-                    && adapter->phy_read(adapter,
-                                         NETXEN_NIU_GB_MII_MGMT_ADDR_PHY_STATUS,
-                                         &status) == 0) {
-                        if (netxen_get_phy_int_link_status_changed(int_src)) {
-                                if (netxen_get_phy_link(status)) {
-                                        printk(KERN_INFO "%s: %s Link UP\n",
-                                               netxen_nic_driver_name,
-                                               adapter->netdev->name);
-
-                                } else {
-                                        printk(KERN_INFO "%s: %s Link DOWN\n",
-                                               netxen_nic_driver_name,
-                                               adapter->netdev->name);
-                                }
-                                netxen_indicate_link_status(adapter,
-                                                            netxen_get_phy_link
-                                                            (status));
-                        }
-                }
-        }
-        if (adapter->enable_phy_interrupts)
-                adapter->enable_phy_interrupts(adapter);
-}
-#endif  /*  0  */
-
-static void netxen_nic_isr_other(struct netxen_adapter *adapter)
-{
-        int portno = adapter->portnum;
-        u32 val, linkup, qg_linksup;
-
-        /* verify the offset */
-        val = readl(NETXEN_CRB_NORMALIZE(adapter, CRB_XG_STATE));
-        val = val >> adapter->physical_port;
-        if (val == adapter->ahw.qg_linksup)
-                return;
-
-        qg_linksup = adapter->ahw.qg_linksup;
-        adapter->ahw.qg_linksup = val;
-        DPRINTK(INFO, "link update 0x%08x\n", val);
-
-        linkup = val & 1;
-
-        if (linkup != (qg_linksup & 1)) {
-                printk(KERN_INFO "%s: %s PORT %d link %s\n",
-                       adapter->netdev->name,
-                       netxen_nic_driver_name, portno,
-                       ((linkup == 0) ? "down" : "up"));
-                netxen_indicate_link_status(adapter, linkup);
-                if (linkup)
-                        netxen_nic_set_link_parameters(adapter);
-
-        }
-}
-
-void netxen_nic_gbe_handle_phy_intr(struct netxen_adapter *adapter)
-{
-        netxen_nic_isr_other(adapter);
-}
-
-#if 0
-int netxen_nic_link_ok(struct netxen_adapter *adapter)
-{
-        switch (adapter->ahw.board_type) {
-        case NETXEN_NIC_GBE:
-                return ((adapter->ahw.qg_linksup) & 1);
-
-        case NETXEN_NIC_XGBE:
-                return ((adapter->ahw.xg_linkup) & 1);
-
-        default:
-                printk(KERN_ERR"%s: Function: %s, Unknown board type\n",
-                        netxen_nic_driver_name, __FUNCTION__);
-                break;
-        }
-
-        return 0;
-}
-#endif  /*  0  */
-
-void netxen_nic_xgbe_handle_phy_intr(struct netxen_adapter *adapter)
-{
-        struct net_device *netdev = adapter->netdev;
-        u32 val;
-
-        /* WINDOW = 1 */
-        val = readl(NETXEN_CRB_NORMALIZE(adapter, CRB_XG_STATE));
-        val >>= (adapter->physical_port * 8);
-        val &= 0xff;
-
-        if (adapter->ahw.xg_linkup == 1 && val != XG_LINK_UP) {
-                printk(KERN_INFO "%s: %s NIC Link is down\n",
-                       netxen_nic_driver_name, netdev->name);
-                adapter->ahw.xg_linkup = 0;
-                if (netif_running(netdev)) {
-                        netif_carrier_off(netdev);
-                        netif_stop_queue(netdev);
-                }
-        } else if (adapter->ahw.xg_linkup == 0 && val == XG_LINK_UP) {
-                printk(KERN_INFO "%s: %s NIC Link is up\n",
-                       netxen_nic_driver_name, netdev->name);
-                adapter->ahw.xg_linkup = 1;
-                netif_carrier_on(netdev);
-                netif_wake_queue(netdev);
-        }
-}
diff --git a/drivers/net/netxen/netxen_nic_main.c b/drivers/net/netxen/netxen_nic_main.c
index 63cd67b931e7..91d209a8f6cb 100644
--- a/drivers/net/netxen/netxen_nic_main.c
+++ b/drivers/net/netxen/netxen_nic_main.c
@@ -49,13 +49,18 @@ char netxen_nic_driver_name[] = "netxen_nic";
 static char netxen_nic_driver_string[] = "NetXen Network Driver version "
     NETXEN_NIC_LINUX_VERSIONID;
 
-#define NETXEN_NETDEV_WEIGHT 120
-#define NETXEN_ADAPTER_UP_MAGIC 777
-#define NETXEN_NIC_PEG_TUNE 0
+static int port_mode = NETXEN_PORT_MODE_AUTO_NEG;
+
+/* Default to restricted 1G auto-neg mode */
+static int wol_port_mode = 5;
+
+static int use_msi = 1;
+
+static int use_msi_x = 1;
 
 /* Local functions to NetXen NIC driver */
 static int __devinit netxen_nic_probe(struct pci_dev *pdev,
-                                      const struct pci_device_id *ent);
+                const struct pci_device_id *ent);
 static void __devexit netxen_nic_remove(struct pci_dev *pdev);
 static int netxen_nic_open(struct net_device *netdev);
 static int netxen_nic_close(struct net_device *netdev);
@@ -83,6 +88,7 @@ static struct pci_device_id netxen_pci_tbl[] __devinitdata = {
         ENTRY(0x0005),
         ENTRY(0x0024),
         ENTRY(0x0025),
+        ENTRY(0x0100),
         {0,}
 };
 
@@ -108,95 +114,61 @@ static struct workqueue_struct *netxen_workq;
 
 static void netxen_watchdog(unsigned long);
 
-static void netxen_nic_update_cmd_producer(struct netxen_adapter *adapter,
-                                           uint32_t crb_producer)
+static uint32_t crb_cmd_producer[4] = {
+        CRB_CMD_PRODUCER_OFFSET, CRB_CMD_PRODUCER_OFFSET_1,
+        CRB_CMD_PRODUCER_OFFSET_2, CRB_CMD_PRODUCER_OFFSET_3
+};
+
+void
+netxen_nic_update_cmd_producer(struct netxen_adapter *adapter,
+                uint32_t crb_producer)
 {
-        switch (adapter->portnum) {
-                case 0:
-                        writel(crb_producer, NETXEN_CRB_NORMALIZE
-                                        (adapter, CRB_CMD_PRODUCER_OFFSET));
-                        return;
-                case 1:
-                        writel(crb_producer, NETXEN_CRB_NORMALIZE
-                                        (adapter, CRB_CMD_PRODUCER_OFFSET_1));
-                        return;
-                case 2:
-                        writel(crb_producer, NETXEN_CRB_NORMALIZE
-                                        (adapter, CRB_CMD_PRODUCER_OFFSET_2));
-                        return;
-                case 3:
-                        writel(crb_producer, NETXEN_CRB_NORMALIZE
-                                        (adapter, CRB_CMD_PRODUCER_OFFSET_3));
-                        return;
-                default:
-                        printk(KERN_WARNING "We tried to update "
-                                        "CRB_CMD_PRODUCER_OFFSET for invalid "
-                                        "PCI function id %d\n",
-                                        adapter->portnum);
-                        return;
-        }
+        adapter->pci_write_normalize(adapter,
+                        adapter->crb_addr_cmd_producer, crb_producer);
 }
 
-static void netxen_nic_update_cmd_consumer(struct netxen_adapter *adapter,
-                                           u32 crb_consumer)
+static uint32_t crb_cmd_consumer[4] = {
+        CRB_CMD_CONSUMER_OFFSET, CRB_CMD_CONSUMER_OFFSET_1,
+        CRB_CMD_CONSUMER_OFFSET_2, CRB_CMD_CONSUMER_OFFSET_3
+};
+
+static inline void
+netxen_nic_update_cmd_consumer(struct netxen_adapter *adapter,
+                u32 crb_consumer)
 {
-        switch (adapter->portnum) {
-                case 0:
-                        writel(crb_consumer, NETXEN_CRB_NORMALIZE
-                                (adapter, CRB_CMD_CONSUMER_OFFSET));
-                        return;
-                case 1:
-                        writel(crb_consumer, NETXEN_CRB_NORMALIZE
-                                (adapter, CRB_CMD_CONSUMER_OFFSET_1));
-                        return;
-                case 2:
-                        writel(crb_consumer, NETXEN_CRB_NORMALIZE
-                                (adapter, CRB_CMD_CONSUMER_OFFSET_2));
-                        return;
-                case 3:
-                        writel(crb_consumer, NETXEN_CRB_NORMALIZE
-                                (adapter, CRB_CMD_CONSUMER_OFFSET_3));
-                        return;
-                default:
-                        printk(KERN_WARNING "We tried to update "
-                                        "CRB_CMD_PRODUCER_OFFSET for invalid "
-                                        "PCI function id %d\n",
-                                        adapter->portnum);
-                        return;
-        }
+        adapter->pci_write_normalize(adapter,
+                        adapter->crb_addr_cmd_consumer, crb_consumer);
 }
 
-#define ADAPTER_LIST_SIZE 12
-
-static uint32_t msi_tgt_status[4] = {
+static uint32_t msi_tgt_status[8] = {
         ISR_INT_TARGET_STATUS, ISR_INT_TARGET_STATUS_F1,
-        ISR_INT_TARGET_STATUS_F2, ISR_INT_TARGET_STATUS_F3
+        ISR_INT_TARGET_STATUS_F2, ISR_INT_TARGET_STATUS_F3,
+        ISR_INT_TARGET_STATUS_F4, ISR_INT_TARGET_STATUS_F5,
+        ISR_INT_TARGET_STATUS_F6, ISR_INT_TARGET_STATUS_F7
 };
 
-static uint32_t sw_int_mask[4] = {
-        CRB_SW_INT_MASK_0, CRB_SW_INT_MASK_1,
-        CRB_SW_INT_MASK_2, CRB_SW_INT_MASK_3
-};
+static struct netxen_legacy_intr_set legacy_intr[] = NX_LEGACY_INTR_CONFIG;
 
 static void netxen_nic_disable_int(struct netxen_adapter *adapter)
 {
         u32 mask = 0x7ff;
         int retries = 32;
-        int port = adapter->portnum;
         int pci_fn = adapter->ahw.pci_func;
 
         if (adapter->msi_mode != MSI_MODE_MULTIFUNC)
-                writel(0x0, NETXEN_CRB_NORMALIZE(adapter, sw_int_mask[port]));
+                adapter->pci_write_normalize(adapter,
+                                adapter->crb_intr_mask, 0);
 
         if (adapter->intr_scheme != -1 &&
             adapter->intr_scheme != INTR_SCHEME_PERPORT)
-                writel(mask,PCI_OFFSET_SECOND_RANGE(adapter, ISR_INT_MASK));
+                adapter->pci_write_immediate(adapter, ISR_INT_MASK, mask);
 
-        if (!(adapter->flags & NETXEN_NIC_MSI_ENABLED)) {
+        if (!NETXEN_IS_MSI_FAMILY(adapter)) {
                 do {
-                        writel(0xffffffff,
-                               PCI_OFFSET_SECOND_RANGE(adapter, ISR_INT_TARGET_STATUS));
-                        mask = readl(pci_base_offset(adapter, ISR_INT_VECTOR));
+                        adapter->pci_write_immediate(adapter,
+                                        ISR_INT_TARGET_STATUS, 0xffffffff);
+                        mask = adapter->pci_read_immediate(adapter,
+                                        ISR_INT_VECTOR);
                         if (!(mask & 0x80))
                                 break;
                         udelay(10);
@@ -208,8 +180,8 @@ static void netxen_nic_disable_int(struct netxen_adapter *adapter)
                 }
         } else {
                 if (adapter->msi_mode == MSI_MODE_MULTIFUNC) {
-                        writel(0xffffffff, PCI_OFFSET_SECOND_RANGE(adapter,
-                                                msi_tgt_status[pci_fn]));
+                        adapter->pci_write_immediate(adapter,
+                                        msi_tgt_status[pci_fn], 0xffffffff);
                 }
         }
 }
@@ -217,7 +189,6 @@ static void netxen_nic_disable_int(struct netxen_adapter *adapter)
 static void netxen_nic_enable_int(struct netxen_adapter *adapter)
 {
         u32 mask;
-        int port = adapter->portnum;
 
         DPRINTK(1, INFO, "Entered ISR Enable \n");
 
@@ -235,24 +206,299 @@ static void netxen_nic_enable_int(struct netxen_adapter *adapter)
                         break;
                 }
 
-                writel(mask, PCI_OFFSET_SECOND_RANGE(adapter, ISR_INT_MASK));
+                adapter->pci_write_immediate(adapter, ISR_INT_MASK, mask);
         }
 
-        writel(0x1, NETXEN_CRB_NORMALIZE(adapter, sw_int_mask[port]));
+        adapter->pci_write_normalize(adapter, adapter->crb_intr_mask, 0x1);
 
-        if (!(adapter->flags & NETXEN_NIC_MSI_ENABLED)) {
+        if (!NETXEN_IS_MSI_FAMILY(adapter)) {
                 mask = 0xbff;
                 if (adapter->intr_scheme != -1 &&
                         adapter->intr_scheme != INTR_SCHEME_PERPORT) {
-                        writel(0X0, NETXEN_CRB_NORMALIZE(adapter, CRB_INT_VECTOR));
+                        adapter->pci_write_normalize(adapter,
+                                        CRB_INT_VECTOR, 0);
                 }
-                writel(mask,
-                       PCI_OFFSET_SECOND_RANGE(adapter, ISR_INT_TARGET_MASK));
+                adapter->pci_write_immediate(adapter,
+                                ISR_INT_TARGET_MASK, mask);
         }
 
         DPRINTK(1, INFO, "Done with enable Int\n");
 }
 
+static int nx_set_dma_mask(struct netxen_adapter *adapter, uint8_t revision_id)
+{
+        struct pci_dev *pdev = adapter->pdev;
+        int err;
+        uint64_t mask;
+
+#ifdef CONFIG_IA64
+        adapter->dma_mask = DMA_32BIT_MASK;
+#else
+        if (revision_id >= NX_P3_B0) {
+                /* should go to DMA_64BIT_MASK */
+                adapter->dma_mask = DMA_39BIT_MASK;
+                mask = DMA_39BIT_MASK;
+        } else if (revision_id == NX_P3_A2) {
+                adapter->dma_mask = DMA_39BIT_MASK;
+                mask = DMA_39BIT_MASK;
+        } else if (revision_id == NX_P2_C1) {
+                adapter->dma_mask = DMA_35BIT_MASK;
+                mask = DMA_35BIT_MASK;
+        } else {
+                adapter->dma_mask = DMA_32BIT_MASK;
+                mask = DMA_32BIT_MASK;
+                goto set_32_bit_mask;
+        }
+
+        /*
+         * Consistent DMA mask is set to 32 bit because it cannot be set to
+         * 35 bits. For P3 also leave it at 32 bits for now. Only the rings
+         * come off this pool.
+         */
+        if (pci_set_dma_mask(pdev, mask) == 0 &&
+                pci_set_consistent_dma_mask(pdev, DMA_32BIT_MASK) == 0) {
+                adapter->pci_using_dac = 1;
+                return 0;
+        }
+#endif /* CONFIG_IA64 */
+
+set_32_bit_mask:
+        err = pci_set_dma_mask(pdev, DMA_32BIT_MASK);
+        if (!err)
+                err = pci_set_consistent_dma_mask(pdev, DMA_32BIT_MASK);
+        if (err) {
+                DPRINTK(ERR, "No usable DMA configuration, aborting:%d\n", err);
+                return err;
+        }
+
+        adapter->pci_using_dac = 0;
+        return 0;
+}
+
+static void netxen_check_options(struct netxen_adapter *adapter)
+{
+        switch (adapter->ahw.boardcfg.board_type) {
+        case NETXEN_BRDTYPE_P3_HMEZ:
+        case NETXEN_BRDTYPE_P3_XG_LOM:
+        case NETXEN_BRDTYPE_P3_10G_CX4:
+        case NETXEN_BRDTYPE_P3_10G_CX4_LP:
+        case NETXEN_BRDTYPE_P3_IMEZ:
+        case NETXEN_BRDTYPE_P3_10G_SFP_PLUS:
+        case NETXEN_BRDTYPE_P3_10G_XFP:
+        case NETXEN_BRDTYPE_P3_10000_BASE_T:
+                adapter->msix_supported = !!use_msi_x;
+                adapter->max_rx_desc_count = MAX_RCV_DESCRIPTORS_10G;
+                break;
+
+        case NETXEN_BRDTYPE_P2_SB31_10G:
+        case NETXEN_BRDTYPE_P2_SB31_10G_CX4:
+        case NETXEN_BRDTYPE_P2_SB31_10G_IMEZ:
+        case NETXEN_BRDTYPE_P2_SB31_10G_HMEZ:
+                adapter->msix_supported = 0;
+                adapter->max_rx_desc_count = MAX_RCV_DESCRIPTORS_10G;
+                break;
+
+        case NETXEN_BRDTYPE_P3_REF_QG:
+        case NETXEN_BRDTYPE_P3_4_GB:
+        case NETXEN_BRDTYPE_P3_4_GB_MM:
+        case NETXEN_BRDTYPE_P2_SB35_4G:
+        case NETXEN_BRDTYPE_P2_SB31_2G:
+                adapter->msix_supported = 0;
+                adapter->max_rx_desc_count = MAX_RCV_DESCRIPTORS_1G;
+                break;
+
+        default:
+                adapter->msix_supported = 0;
+                adapter->max_rx_desc_count = MAX_RCV_DESCRIPTORS_1G;
+
+                printk(KERN_WARNING "Unknown board type(0x%x)\n",
+                                adapter->ahw.boardcfg.board_type);
+                break;
+        }
+
+        adapter->max_tx_desc_count = MAX_CMD_DESCRIPTORS_HOST;
+        adapter->max_jumbo_rx_desc_count = MAX_JUMBO_RCV_DESCRIPTORS;
+        adapter->max_lro_rx_desc_count = MAX_LRO_RCV_DESCRIPTORS;
+
+        adapter->max_possible_rss_rings = 1;
+        return;
+}
+
+static int
+netxen_check_hw_init(struct netxen_adapter *adapter, int first_boot)
+{
+        int ret = 0;
+
+        if (first_boot == 0x55555555) {
+                /* This is the first boot after power up */
+
+                /* PCI bus master workaround */
+                adapter->hw_read_wx(adapter,
+                        NETXEN_PCIE_REG(0x4), &first_boot, 4);
+                if (!(first_boot & 0x4)) {
+                        first_boot |= 0x4;
+                        adapter->hw_write_wx(adapter,
+                                NETXEN_PCIE_REG(0x4), &first_boot, 4);
+                        adapter->hw_read_wx(adapter,
+                                NETXEN_PCIE_REG(0x4), &first_boot, 4);
+                }
+
+                /* This is the first boot after power up */
+                adapter->hw_read_wx(adapter,
+                        NETXEN_ROMUSB_GLB_SW_RESET, &first_boot, 4);
+                if (first_boot != 0x80000f) {
+                        /* clear the register for future unloads/loads */
+                        adapter->pci_write_normalize(adapter,
+                                        NETXEN_CAM_RAM(0x1fc), 0);
+                        ret = -1;
+                }
+
+                if (NX_IS_REVISION_P2(adapter->ahw.revision_id)) {
+                        /* Start P2 boot loader */
+                        adapter->pci_write_normalize(adapter,
+                                NETXEN_CAM_RAM(0x1fc), NETXEN_BDINFO_MAGIC);
+                        adapter->pci_write_normalize(adapter,
+                                        NETXEN_ROMUSB_GLB_PEGTUNE_DONE, 1);
+                }
+        }
+        return ret;
+}
+
+static void netxen_set_port_mode(struct netxen_adapter *adapter)
+{
+        u32 val, data;
+
+        val = adapter->ahw.boardcfg.board_type;
+        if ((val == NETXEN_BRDTYPE_P3_HMEZ) ||
+                (val == NETXEN_BRDTYPE_P3_XG_LOM)) {
+                if (port_mode == NETXEN_PORT_MODE_802_3_AP) {
+                        data = NETXEN_PORT_MODE_802_3_AP;
+                        adapter->hw_write_wx(adapter,
+                                NETXEN_PORT_MODE_ADDR, &data, 4);
+                } else if (port_mode == NETXEN_PORT_MODE_XG) {
+                        data = NETXEN_PORT_MODE_XG;
+                        adapter->hw_write_wx(adapter,
+                                NETXEN_PORT_MODE_ADDR, &data, 4);
+                } else if (port_mode == NETXEN_PORT_MODE_AUTO_NEG_1G) {
+                        data = NETXEN_PORT_MODE_AUTO_NEG_1G;
+                        adapter->hw_write_wx(adapter,
+                                NETXEN_PORT_MODE_ADDR, &data, 4);
+                } else if (port_mode == NETXEN_PORT_MODE_AUTO_NEG_XG) {
+                        data = NETXEN_PORT_MODE_AUTO_NEG_XG;
+                        adapter->hw_write_wx(adapter,
+                                NETXEN_PORT_MODE_ADDR, &data, 4);
+                } else {
+                        data = NETXEN_PORT_MODE_AUTO_NEG;
+                        adapter->hw_write_wx(adapter,
+                                NETXEN_PORT_MODE_ADDR, &data, 4);
+                }
+
+                if ((wol_port_mode != NETXEN_PORT_MODE_802_3_AP) &&
+                        (wol_port_mode != NETXEN_PORT_MODE_XG) &&
+                        (wol_port_mode != NETXEN_PORT_MODE_AUTO_NEG_1G) &&
+                        (wol_port_mode != NETXEN_PORT_MODE_AUTO_NEG_XG)) {
+                        wol_port_mode = NETXEN_PORT_MODE_AUTO_NEG;
+                }
+                adapter->hw_write_wx(adapter, NETXEN_WOL_PORT_MODE,
+                        &wol_port_mode, 4);
+        }
+}
+
+#define PCI_CAP_ID_GEN  0x10
+
+static void netxen_pcie_strap_init(struct netxen_adapter *adapter)
+{
+        u32 pdevfuncsave;
+        u32 c8c9value = 0;
+        u32 chicken = 0;
+        u32 control = 0;
+        int i, pos;
+        struct pci_dev *pdev;
+
+        pdev = pci_get_device(0x1166, 0x0140, NULL);
+        if (pdev) {
+                pci_dev_put(pdev);
+                adapter->hw_read_wx(adapter,
+                        NETXEN_PCIE_REG(PCIE_TGT_SPLIT_CHICKEN), &chicken, 4);
+                chicken |= 0x4000;
+                adapter->hw_write_wx(adapter,
+                        NETXEN_PCIE_REG(PCIE_TGT_SPLIT_CHICKEN), &chicken, 4);
+        }
+
+        pdev = adapter->pdev;
+
+        adapter->hw_read_wx(adapter,
+                NETXEN_PCIE_REG(PCIE_CHICKEN3), &chicken, 4);
+        /* clear chicken3.25:24 */
+        chicken &= 0xFCFFFFFF;
+        /*
+         * if gen1 and B0, set F1020 - if gen 2, do nothing
+         * if gen2 set to F1000
+         */
+        pos = pci_find_capability(pdev, PCI_CAP_ID_GEN);
+        if (pos == 0xC0) {
+                pci_read_config_dword(pdev, pos + 0x10, &control);
+                if ((control & 0x000F0000) != 0x00020000) {
+                        /*  set chicken3.24 if gen1 */
+                        chicken |= 0x01000000;
+                }
+                printk(KERN_INFO "%s Gen2 strapping detected\n",
+                                netxen_nic_driver_name);
+                c8c9value = 0xF1000;
+        } else {
+                /* set chicken3.24 if gen1 */
+                chicken |= 0x01000000;
+                printk(KERN_INFO "%s Gen1 strapping detected\n",
+                                netxen_nic_driver_name);
+                if (adapter->ahw.revision_id == NX_P3_B0)
+                        c8c9value = 0xF1020;
+                else
+                        c8c9value = 0;
+
+        }
+        adapter->hw_write_wx(adapter,
+                NETXEN_PCIE_REG(PCIE_CHICKEN3), &chicken, 4);
+
+        if (!c8c9value)
+                return;
+
+        pdevfuncsave = pdev->devfn;
+        if (pdevfuncsave & 0x07)
+                return;
+
+        for (i = 0; i < 8; i++) {
+                pci_read_config_dword(pdev, pos + 8, &control);
+                pci_read_config_dword(pdev, pos + 8, &control);
+                pci_write_config_dword(pdev, pos + 8, c8c9value);
+                pdev->devfn++;
+        }
+        pdev->devfn = pdevfuncsave;
+}
+
+static void netxen_set_msix_bit(struct pci_dev *pdev, int enable)
+{
+        u32 control;
+        int pos;
+
+        pos = pci_find_capability(pdev, PCI_CAP_ID_MSIX);
+        if (pos) {
+                pci_read_config_dword(pdev, pos, &control);
+                if (enable)
+                        control |= PCI_MSIX_FLAGS_ENABLE;
+                else
+                        control = 0;
+                pci_write_config_dword(pdev, pos, control);
+        }
+}
+
+static void netxen_init_msix_entries(struct netxen_adapter *adapter)
+{
+        int i;
+
+        for (i = 0; i < MSIX_ENTRIES_PER_ADAPTER; i++)
+                adapter->msix_entries[i].entry = i;
+}
+
 /*
  * netxen_nic_probe()
  *
@@ -278,28 +524,28 @@ netxen_nic_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
 
 
         u8 __iomem *db_ptr = NULL;
-        unsigned long mem_base, mem_len, db_base, db_len;
-        int pci_using_dac, i = 0, err;
-        int ring;
-        struct netxen_recv_context *recv_ctx = NULL;
-        struct netxen_rcv_desc_ctx *rcv_desc = NULL;
-        struct netxen_cmd_buffer *cmd_buf_arr = NULL;
+        unsigned long mem_base, mem_len, db_base, db_len, pci_len0 = 0;
+        int i = 0, err;
+        int first_driver, first_boot;
         __le64 mac_addr[FLASH_NUM_PORTS + 1];
-        int valid_mac = 0;
         u32 val;
         int pci_func_id = PCI_FUNC(pdev->devfn);
         DECLARE_MAC_BUF(mac);
+        struct netxen_legacy_intr_set *legacy_intrp;
+        uint8_t revision_id;
 
         if (pci_func_id == 0)
-                printk(KERN_INFO "%s \n", netxen_nic_driver_string);
+                printk(KERN_INFO "%s\n", netxen_nic_driver_string);
 
         if (pdev->class != 0x020000) {
                 printk(KERN_DEBUG "NetXen function %d, class %x will not "
                                 "be enabled.\n",pci_func_id, pdev->class);
                 return -ENODEV;
         }
+
         if ((err = pci_enable_device(pdev)))
                 return err;
+
         if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) {
                 err = -ENODEV;
                 goto err_out_disable_pdev;
@@ -309,18 +555,6 @@ netxen_nic_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
                 goto err_out_disable_pdev;
 
         pci_set_master(pdev);
-        if (pdev->revision == NX_P2_C1 &&
-            (pci_set_dma_mask(pdev, DMA_35BIT_MASK) == 0) &&
-            (pci_set_consistent_dma_mask(pdev, DMA_35BIT_MASK) == 0)) {
-                pci_using_dac = 1;
-        } else {
-                if ((err = pci_set_dma_mask(pdev, DMA_32BIT_MASK)) ||
-                    (err = pci_set_consistent_dma_mask(pdev, DMA_32BIT_MASK)))
-                        goto err_out_free_res;
-
-                pci_using_dac = 0;
-        }
-
 
         netdev = alloc_etherdev(sizeof(struct netxen_adapter));
         if(!netdev) {
@@ -333,13 +567,35 @@ netxen_nic_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
         SET_NETDEV_DEV(netdev, &pdev->dev);
 
         adapter = netdev->priv;
-
-        adapter->ahw.pdev = pdev;
+        adapter->netdev  = netdev;
+        adapter->pdev    = pdev;
         adapter->ahw.pci_func  = pci_func_id;
 
+        revision_id = pdev->revision;
+        adapter->ahw.revision_id = revision_id;
+
+        err = nx_set_dma_mask(adapter, revision_id);
+        if (err)
+                goto err_out_free_netdev;
+
+        rwlock_init(&adapter->adapter_lock);
+        adapter->ahw.qdr_sn_window = -1;
+        adapter->ahw.ddr_mn_window = -1;
+
         /* remap phys address */
         mem_base = pci_resource_start(pdev, 0); /* 0 is for BAR 0 */
         mem_len = pci_resource_len(pdev, 0);
+        pci_len0 = 0;
+
+        adapter->hw_write_wx = netxen_nic_hw_write_wx_128M;
+        adapter->hw_read_wx = netxen_nic_hw_read_wx_128M;
+        adapter->pci_read_immediate = netxen_nic_pci_read_immediate_128M;
+        adapter->pci_write_immediate = netxen_nic_pci_write_immediate_128M;
+        adapter->pci_read_normalize = netxen_nic_pci_read_normalize_128M;
+        adapter->pci_write_normalize = netxen_nic_pci_write_normalize_128M;
+        adapter->pci_set_window = netxen_nic_pci_set_window_128M;
+        adapter->pci_mem_read = netxen_nic_pci_mem_read_128M;
+        adapter->pci_mem_write = netxen_nic_pci_mem_write_128M;
 
         /* 128 Meg of memory */
         if (mem_len == NETXEN_PCI_128MB_SIZE) {
@@ -356,27 +612,48 @@ netxen_nic_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
                         SECOND_PAGE_GROUP_START, THIRD_PAGE_GROUP_SIZE);
                 first_page_group_start = 0;
                 first_page_group_end   = 0;
+        } else if (mem_len == NETXEN_PCI_2MB_SIZE) {
+                adapter->hw_write_wx = netxen_nic_hw_write_wx_2M;
+                adapter->hw_read_wx = netxen_nic_hw_read_wx_2M;
+                adapter->pci_read_immediate = netxen_nic_pci_read_immediate_2M;
+                adapter->pci_write_immediate =
+                        netxen_nic_pci_write_immediate_2M;
+                adapter->pci_read_normalize = netxen_nic_pci_read_normalize_2M;
+                adapter->pci_write_normalize =
+                        netxen_nic_pci_write_normalize_2M;
+                adapter->pci_set_window = netxen_nic_pci_set_window_2M;
+                adapter->pci_mem_read = netxen_nic_pci_mem_read_2M;
+                adapter->pci_mem_write = netxen_nic_pci_mem_write_2M;
+
+                mem_ptr0 = ioremap(mem_base, mem_len);
+                pci_len0 = mem_len;
+                first_page_group_start = 0;
+                first_page_group_end   = 0;
+
+                adapter->ahw.ddr_mn_window = 0;
+                adapter->ahw.qdr_sn_window = 0;
+
+                adapter->ahw.mn_win_crb = 0x100000 + PCIX_MN_WINDOW +
+                        (pci_func_id * 0x20);
+                adapter->ahw.ms_win_crb = 0x100000 + PCIX_SN_WINDOW;
+                if (pci_func_id < 4)
+                        adapter->ahw.ms_win_crb += (pci_func_id * 0x20);
+                else
+                        adapter->ahw.ms_win_crb +=
+                                        0xA0 + ((pci_func_id - 4) * 0x10);
         } else {
                 err = -EIO;
                 goto err_out_free_netdev;
         }
 
-        if ((!mem_ptr0 && mem_len == NETXEN_PCI_128MB_SIZE) ||
-                        !mem_ptr1 || !mem_ptr2) {
-                DPRINTK(ERR,
-                        "Cannot remap adapter memory aborting.:"
-                        "0 -> %p, 1 -> %p, 2 -> %p\n",
-                        mem_ptr0, mem_ptr1, mem_ptr2);
+        dev_info(&pdev->dev, "%dMB memory map\n", (int)(mem_len>>20));
 
-                err = -EIO;
-                goto err_out_iounmap;
-        }
         db_base = pci_resource_start(pdev, 4);  /* doorbell is on bar 4 */
         db_len = pci_resource_len(pdev, 4);
 
         if (db_len == 0) {
                 printk(KERN_ERR "%s: doorbell is disabled\n",
-                       netxen_nic_driver_name);
+                                netxen_nic_driver_name);
                 err = -EIO;
                 goto err_out_iounmap;
         }
@@ -386,13 +663,14 @@ netxen_nic_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
         db_ptr = ioremap(db_base, NETXEN_DB_MAPSIZE_BYTES);
         if (!db_ptr) {
                 printk(KERN_ERR "%s: Failed to allocate doorbell map.",
-                       netxen_nic_driver_name);
+                                netxen_nic_driver_name);
                 err = -EIO;
                 goto err_out_iounmap;
         }
         DPRINTK(INFO, "doorbell ioremaped at %p\n", db_ptr);
 
         adapter->ahw.pci_base0 = mem_ptr0;
+        adapter->ahw.pci_len0 = pci_len0;
         adapter->ahw.first_page_group_start = first_page_group_start;
         adapter->ahw.first_page_group_end   = first_page_group_end;
         adapter->ahw.pci_base1 = mem_ptr1;
@@ -400,11 +678,18 @@ netxen_nic_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
         adapter->ahw.db_base = db_ptr;
         adapter->ahw.db_len = db_len;
 
-        adapter->netdev  = netdev;
-        adapter->pdev    = pdev;
-
         netif_napi_add(netdev, &adapter->napi,
-                       netxen_nic_poll, NETXEN_NETDEV_WEIGHT);
+                        netxen_nic_poll, NETXEN_NETDEV_WEIGHT);
+
+        if (revision_id >= NX_P3_B0)
+                legacy_intrp = &legacy_intr[pci_func_id];
+        else
+                legacy_intrp = &legacy_intr[0];
+
+        adapter->legacy_intr.int_vec_bit = legacy_intrp->int_vec_bit;
+        adapter->legacy_intr.tgt_status_reg = legacy_intrp->tgt_status_reg;
+        adapter->legacy_intr.tgt_mask_reg = legacy_intrp->tgt_mask_reg;
+        adapter->legacy_intr.pci_int_reg = legacy_intrp->pci_int_reg;
 
         /* this will be read from FW later */
         adapter->intr_scheme = -1;
@@ -414,12 +699,23 @@ netxen_nic_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
         adapter->portnum = pci_func_id;
         adapter->status   &= ~NETXEN_NETDEV_STATUS;
         adapter->rx_csum = 1;
+        adapter->mc_enabled = 0;
+        if (NX_IS_REVISION_P3(revision_id)) {
+                adapter->max_mc_count = 38;
+                adapter->max_rds_rings = 2;
+        } else {
+                adapter->max_mc_count = 16;
+                adapter->max_rds_rings = 3;
+        }
 
         netdev->open               = netxen_nic_open;
         netdev->stop               = netxen_nic_close;
         netdev->hard_start_xmit    = netxen_nic_xmit_frame;
         netdev->get_stats          = netxen_nic_get_stats;
-        netdev->set_multicast_list = netxen_nic_set_multi;
+        if (NX_IS_REVISION_P3(revision_id))
+                netdev->set_multicast_list = netxen_p3_nic_set_multi;
+        else
+                netdev->set_multicast_list = netxen_p2_nic_set_multi;
         netdev->set_mac_address    = netxen_nic_set_mac;
         netdev->change_mtu         = netxen_nic_change_mtu;
         netdev->tx_timeout         = netxen_tx_timeout;
@@ -435,18 +731,14 @@ netxen_nic_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
         netdev->features = NETIF_F_SG;
         netdev->features |= NETIF_F_IP_CSUM;
         netdev->features |= NETIF_F_TSO;
+        if (NX_IS_REVISION_P3(revision_id)) {
+                netdev->features |= NETIF_F_IPV6_CSUM;
+                netdev->features |= NETIF_F_TSO6;
+        }
 
-        if (pci_using_dac)
+        if (adapter->pci_using_dac)
                 netdev->features |= NETIF_F_HIGHDMA;
 
-        if (pci_enable_msi(pdev))
-                adapter->flags &= ~NETXEN_NIC_MSI_ENABLED;
-        else
-                adapter->flags |= NETXEN_NIC_MSI_ENABLED;
-
-        netdev->irq = pdev->irq;
-        INIT_WORK(&adapter->tx_timeout_task, netxen_tx_timeout_task);
-
         /*
          * Set the CRB window to invalid. If any register in window 0 is
          * accessed it should set the window to 0 and then reset it to 1.
@@ -455,87 +747,13 @@ netxen_nic_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
 
         if (netxen_nic_get_board_info(adapter) != 0) {
                 printk("%s: Error getting board config info.\n",
-                       netxen_nic_driver_name);
+                                netxen_nic_driver_name);
                 err = -EIO;
                 goto err_out_iounmap;
         }
 
-        /*
-         *  Adapter in our case is quad port so initialize it before
-         *  initializing the ports
-         */
-
         netxen_initialize_adapter_ops(adapter);
 
-        adapter->max_tx_desc_count = MAX_CMD_DESCRIPTORS_HOST;
-        if ((adapter->ahw.boardcfg.board_type == NETXEN_BRDTYPE_P2_SB35_4G) ||
-                        (adapter->ahw.boardcfg.board_type ==
-                         NETXEN_BRDTYPE_P2_SB31_2G))
-                adapter->max_rx_desc_count = MAX_RCV_DESCRIPTORS_1G;
-        else
-                adapter->max_rx_desc_count = MAX_RCV_DESCRIPTORS;
-        adapter->max_jumbo_rx_desc_count = MAX_JUMBO_RCV_DESCRIPTORS;
-        adapter->max_lro_rx_desc_count = MAX_LRO_RCV_DESCRIPTORS;
-
-        cmd_buf_arr = (struct netxen_cmd_buffer *)vmalloc(TX_RINGSIZE);
-        if (cmd_buf_arr == NULL) {
-                printk(KERN_ERR
-                       "%s: Could not allocate cmd_buf_arr memory:%d\n",
-                       netxen_nic_driver_name, (int)TX_RINGSIZE);
-                err = -ENOMEM;
-                goto err_out_free_adapter;
-        }
-        memset(cmd_buf_arr, 0, TX_RINGSIZE);
-        adapter->cmd_buf_arr = cmd_buf_arr;
-
-        for (i = 0; i < MAX_RCV_CTX; ++i) {
-                recv_ctx = &adapter->recv_ctx[i];
-                for (ring = 0; ring < NUM_RCV_DESC_RINGS; ring++) {
-                        rcv_desc = &recv_ctx->rcv_desc[ring];
-                        switch (RCV_DESC_TYPE(ring)) {
-                        case RCV_DESC_NORMAL:
-                                rcv_desc->max_rx_desc_count =
-                                    adapter->max_rx_desc_count;
-                                rcv_desc->flags = RCV_DESC_NORMAL;
-                                rcv_desc->dma_size = RX_DMA_MAP_LEN;
-                                rcv_desc->skb_size = MAX_RX_BUFFER_LENGTH;
-                                break;
-
-                        case RCV_DESC_JUMBO:
-                                rcv_desc->max_rx_desc_count =
-                                    adapter->max_jumbo_rx_desc_count;
-                                rcv_desc->flags = RCV_DESC_JUMBO;
-                                rcv_desc->dma_size = RX_JUMBO_DMA_MAP_LEN;
-                                rcv_desc->skb_size = MAX_RX_JUMBO_BUFFER_LENGTH;
-                                break;
-
-                        case RCV_RING_LRO:
-                                rcv_desc->max_rx_desc_count =
-                                    adapter->max_lro_rx_desc_count;
-                                rcv_desc->flags = RCV_DESC_LRO;
-                                rcv_desc->dma_size = RX_LRO_DMA_MAP_LEN;
-                                rcv_desc->skb_size = MAX_RX_LRO_BUFFER_LENGTH;
-                                break;
-
-                        }
-                        rcv_desc->rx_buf_arr = (struct netxen_rx_buffer *)
-                            vmalloc(RCV_BUFFSIZE);
-
-                        if (rcv_desc->rx_buf_arr == NULL) {
-                                printk(KERN_ERR "%s: Could not allocate "
-                                       "rcv_desc->rx_buf_arr memory:%d\n",
-                                       netxen_nic_driver_name,
-                                       (int)RCV_BUFFSIZE);
-                                err = -ENOMEM;
-                                goto err_out_free_rx_buffer;
-                        }
-                        memset(rcv_desc->rx_buf_arr, 0, RCV_BUFFSIZE);
-                }
-
-        }
-
-        netxen_initialize_adapter_sw(adapter);  /* initialize the buffers in adapter */
-
         /* Mezz cards have PCI function 0,2,3 enabled */
         switch (adapter->ahw.boardcfg.board_type) {
         case NETXEN_BRDTYPE_P2_SB31_10G_IMEZ:
@@ -547,90 +765,71 @@ netxen_nic_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
                 break;
         }
 
-        init_timer(&adapter->watchdog_timer);
-        adapter->ahw.xg_linkup = 0;
-        adapter->watchdog_timer.function = &netxen_watchdog;
-        adapter->watchdog_timer.data = (unsigned long)adapter;
-        INIT_WORK(&adapter->watchdog_task, netxen_watchdog_task);
-        adapter->ahw.pdev = pdev;
-        adapter->ahw.revision_id = pdev->revision;
-
-        /* make sure Window == 1 */
-        netxen_nic_pci_change_crbwindow(adapter, 1);
+        /*
+         * This call will setup various max rx/tx counts.
+         * It must be done before any buffer/ring allocations.
+         */
+        netxen_check_options(adapter);
 
+        first_driver = 0;
+        if (NX_IS_REVISION_P3(revision_id)) {
+                if (adapter->ahw.pci_func == 0)
+                        first_driver = 1;
+        } else {
+                if (adapter->portnum == 0)
+                        first_driver = 1;
+        }
+        adapter->crb_addr_cmd_producer = crb_cmd_producer[adapter->portnum];
+        adapter->crb_addr_cmd_consumer = crb_cmd_consumer[adapter->portnum];
         netxen_nic_update_cmd_producer(adapter, 0);
         netxen_nic_update_cmd_consumer(adapter, 0);
-        writel(0, NETXEN_CRB_NORMALIZE(adapter, CRB_HOST_CMD_ADDR_LO));
 
-        if (netxen_is_flash_supported(adapter) == 0 &&
-            netxen_get_flash_mac_addr(adapter, mac_addr) == 0)
-                valid_mac = 1;
-        else
-                valid_mac = 0;
-
-        if (valid_mac) {
-                unsigned char *p = (unsigned char *)&mac_addr[adapter->portnum];
-                netdev->dev_addr[0] = *(p + 5);
-                netdev->dev_addr[1] = *(p + 4);
-                netdev->dev_addr[2] = *(p + 3);
-                netdev->dev_addr[3] = *(p + 2);
-                netdev->dev_addr[4] = *(p + 1);
-                netdev->dev_addr[5] = *(p + 0);
+        if (first_driver) {
+                first_boot = adapter->pci_read_normalize(adapter,
+                                NETXEN_CAM_RAM(0x1fc));
 
-                memcpy(netdev->perm_addr, netdev->dev_addr,
-                        netdev->addr_len);
-                if (!is_valid_ether_addr(netdev->perm_addr)) {
-                        printk(KERN_ERR "%s: Bad MAC address %s.\n",
-                               netxen_nic_driver_name,
-                               print_mac(mac, netdev->dev_addr));
-                } else {
-                        if (adapter->macaddr_set)
-                                adapter->macaddr_set(adapter,
-                                                        netdev->dev_addr);
+                err = netxen_check_hw_init(adapter, first_boot);
+                if (err) {
+                        printk(KERN_ERR "%s: error in init HW init sequence\n",
+                                        netxen_nic_driver_name);
+                        goto err_out_iounmap;
                 }
-        }
 
-        if (adapter->portnum == 0) {
-                err = netxen_initialize_adapter_offload(adapter);
-                if (err)
-                        goto err_out_free_rx_buffer;
-                val = readl(NETXEN_CRB_NORMALIZE(adapter,
-                                        NETXEN_CAM_RAM(0x1fc)));
-                if (val == 0x55555555) {
-                    /* This is the first boot after power up */
-                    netxen_nic_read_w0(adapter, NETXEN_PCIE_REG(0x4), &val);
-                        if (!(val & 0x4)) {
-                                val |= 0x4;
-                                netxen_nic_write_w0(adapter, NETXEN_PCIE_REG(0x4), val);
-                                netxen_nic_read_w0(adapter, NETXEN_PCIE_REG(0x4), &val);
-                                if (!(val & 0x4))
-                                        printk(KERN_ERR "%s: failed to set MSI bit in PCI-e reg\n",
-                                                        netxen_nic_driver_name);
-                        }
-                    val = readl(NETXEN_CRB_NORMALIZE(adapter,
-                                        NETXEN_ROMUSB_GLB_SW_RESET));
-                    printk(KERN_INFO"NetXen: read 0x%08x for reset reg.\n",val);
-                    if (val != 0x80000f) {
-                        /* clear the register for future unloads/loads */
-                                writel(0, NETXEN_CRB_NORMALIZE(adapter,
-                                                        NETXEN_CAM_RAM(0x1fc)));
-                                printk(KERN_ERR "ERROR in NetXen HW init sequence.\n");
-                                err = -ENODEV;
-                                goto err_out_free_dev;
-                    }
-                } else {
-                        writel(0, NETXEN_CRB_NORMALIZE(adapter,
-                                                CRB_CMDPEG_STATE));
+                if (NX_IS_REVISION_P3(revision_id))
+                        netxen_set_port_mode(adapter);
+
+                if (first_boot != 0x55555555) {
+                        adapter->pci_write_normalize(adapter,
+                                                CRB_CMDPEG_STATE, 0);
                         netxen_pinit_from_rom(adapter, 0);
                         msleep(1);
                         netxen_load_firmware(adapter);
-                        netxen_phantom_init(adapter, NETXEN_NIC_PEG_TUNE);
                 }
 
-                /* clear the register for future unloads/loads */
-                writel(0, NETXEN_CRB_NORMALIZE(adapter, NETXEN_CAM_RAM(0x1fc)));
-                dev_info(&pdev->dev, "cmdpeg state: 0x%0x\n",
-                        readl(NETXEN_CRB_NORMALIZE(adapter, CRB_CMDPEG_STATE)));
+                if (NX_IS_REVISION_P3(revision_id))
+                        netxen_pcie_strap_init(adapter);
+
+                if (NX_IS_REVISION_P2(revision_id)) {
+
+                        /* Initialize multicast addr pool owners */
+                        val = 0x7654;
+                        if (adapter->ahw.board_type == NETXEN_NIC_XGBE)
+                                val |= 0x0f000000;
+                        netxen_crb_writelit_adapter(adapter,
+                                        NETXEN_MAC_ADDR_CNTL_REG, val);
+
+                }
+
+                if ((first_boot == 0x55555555) &&
+                        (NX_IS_REVISION_P2(revision_id))) {
+                        /* Unlock the HW, prompting the boot sequence */
+                        adapter->pci_write_normalize(adapter,
+                                        NETXEN_ROMUSB_GLB_PEGTUNE_DONE, 1);
+                }
+
+                err = netxen_initialize_adapter_offload(adapter);
+                if (err)
+                        goto err_out_iounmap;
 
                 /*
                  * Tell the hardware our version number.
@@ -638,24 +837,101 @@ netxen_nic_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
                 i = (_NETXEN_NIC_LINUX_MAJOR << 16)
                         | ((_NETXEN_NIC_LINUX_MINOR << 8))
                         | (_NETXEN_NIC_LINUX_SUBVERSION);
-                writel(i, NETXEN_CRB_NORMALIZE(adapter, CRB_DRIVER_VERSION));
+                adapter->pci_write_normalize(adapter, CRB_DRIVER_VERSION, i);
 
-                /* Unlock the HW, prompting the boot sequence */
-                writel(1,
-                        NETXEN_CRB_NORMALIZE(adapter,
-                                NETXEN_ROMUSB_GLB_PEGTUNE_DONE));
                 /* Handshake with the card before we register the devices. */
                 netxen_phantom_init(adapter, NETXEN_NIC_PEG_TUNE);
+
+        }       /* first_driver */
+
+        netxen_nic_flash_print(adapter);
+
+        if (NX_IS_REVISION_P3(revision_id)) {
+                adapter->hw_read_wx(adapter,
+                                NETXEN_MIU_MN_CONTROL, &val, 4);
+                adapter->ahw.cut_through = (val & 0x4) ? 1 : 0;
+                dev_info(&pdev->dev, "firmware running in %s mode\n",
+                adapter->ahw.cut_through ? "cut through" : "legacy");
         }
 
         /*
          * See if the firmware gave us a virtual-physical port mapping.
          */
         adapter->physical_port = adapter->portnum;
-        i = readl(NETXEN_CRB_NORMALIZE(adapter, CRB_V2P(adapter->portnum)));
+        i = adapter->pci_read_normalize(adapter, CRB_V2P(adapter->portnum));
         if (i != 0x55555555)
                 adapter->physical_port = i;
 
+        adapter->flags &= ~(NETXEN_NIC_MSI_ENABLED | NETXEN_NIC_MSIX_ENABLED);
+
+        netxen_set_msix_bit(pdev, 0);
+
+        if (NX_IS_REVISION_P3(revision_id)) {
+                if ((mem_len != NETXEN_PCI_128MB_SIZE) &&
+                        mem_len != NETXEN_PCI_2MB_SIZE)
+                        adapter->msix_supported = 0;
+        }
+
+        if (adapter->msix_supported) {
+
+                netxen_init_msix_entries(adapter);
+
+                if (pci_enable_msix(pdev, adapter->msix_entries,
+                                        MSIX_ENTRIES_PER_ADAPTER))
+                        goto request_msi;
+
+                adapter->flags |= NETXEN_NIC_MSIX_ENABLED;
+                netxen_set_msix_bit(pdev, 1);
+                dev_info(&pdev->dev, "using msi-x interrupts\n");
+
+        } else {
+request_msi:
+                if (use_msi && !pci_enable_msi(pdev)) {
+                        adapter->flags |= NETXEN_NIC_MSI_ENABLED;
+                        dev_info(&pdev->dev, "using msi interrupts\n");
+                } else
+                        dev_info(&pdev->dev, "using legacy interrupts\n");
+        }
+
+        if (adapter->flags & NETXEN_NIC_MSIX_ENABLED)
+                netdev->irq = adapter->msix_entries[0].vector;
+        else
+                netdev->irq = pdev->irq;
+
+        err = netxen_receive_peg_ready(adapter);
+        if (err)
+                goto err_out_disable_msi;
+
+        init_timer(&adapter->watchdog_timer);
+        adapter->ahw.linkup = 0;
+        adapter->watchdog_timer.function = &netxen_watchdog;
+        adapter->watchdog_timer.data = (unsigned long)adapter;
+        INIT_WORK(&adapter->watchdog_task, netxen_watchdog_task);
+        INIT_WORK(&adapter->tx_timeout_task, netxen_tx_timeout_task);
+
+        if (netxen_is_flash_supported(adapter) == 0 &&
+                        netxen_get_flash_mac_addr(adapter, mac_addr) == 0) {
+                unsigned char *p;
+
+                p = (unsigned char *)&mac_addr[adapter->portnum];
+                netdev->dev_addr[0] = *(p + 5);
+                netdev->dev_addr[1] = *(p + 4);
+                netdev->dev_addr[2] = *(p + 3);
+                netdev->dev_addr[3] = *(p + 2);
+                netdev->dev_addr[4] = *(p + 1);
+                netdev->dev_addr[5] = *(p + 0);
+
+                memcpy(netdev->perm_addr, netdev->dev_addr,
+                        netdev->addr_len);
+                if (!is_valid_ether_addr(netdev->perm_addr)) {
+                        printk(KERN_ERR "%s: Bad MAC address %s.\n",
+                                        netxen_nic_driver_name,
+                                        print_mac(mac, netdev->dev_addr));
+                } else {
+                        adapter->macaddr_set(adapter, netdev->dev_addr);
+                }
+        }
+
         netif_carrier_off(netdev);
         netif_stop_queue(netdev);
 
@@ -664,41 +940,37 @@ netxen_nic_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
                                " aborting\n", netxen_nic_driver_name,
                                adapter->portnum);
                 err = -EIO;
-                goto err_out_free_dev;
+                goto err_out_disable_msi;
         }
 
-        netxen_nic_flash_print(adapter);
         pci_set_drvdata(pdev, adapter);
 
-        return 0;
-
-err_out_free_dev:
-        if (adapter->portnum == 0)
-                netxen_free_adapter_offload(adapter);
-
-err_out_free_rx_buffer:
-        for (i = 0; i < MAX_RCV_CTX; ++i) {
-                recv_ctx = &adapter->recv_ctx[i];
-                for (ring = 0; ring < NUM_RCV_DESC_RINGS; ring++) {
-                        rcv_desc = &recv_ctx->rcv_desc[ring];
-                        if (rcv_desc->rx_buf_arr != NULL) {
-                                vfree(rcv_desc->rx_buf_arr);
-                                rcv_desc->rx_buf_arr = NULL;
-                        }
-                }
+        switch (adapter->ahw.board_type) {
+        case NETXEN_NIC_GBE:
+                dev_info(&adapter->pdev->dev, "%s: GbE port initialized\n",
+                                adapter->netdev->name);
+                break;
+        case NETXEN_NIC_XGBE:
+                dev_info(&adapter->pdev->dev, "%s: XGbE port initialized\n",
+                                adapter->netdev->name);
+                break;
         }
-        vfree(cmd_buf_arr);
 
-err_out_free_adapter:
+        return 0;
+
+err_out_disable_msi:
+        if (adapter->flags & NETXEN_NIC_MSIX_ENABLED)
+                pci_disable_msix(pdev);
         if (adapter->flags & NETXEN_NIC_MSI_ENABLED)
                 pci_disable_msi(pdev);
 
-        pci_set_drvdata(pdev, NULL);
+        if (first_driver)
+                netxen_free_adapter_offload(adapter);
 
+err_out_iounmap:
         if (db_ptr)
                 iounmap(db_ptr);
 
-err_out_iounmap:
         if (mem_ptr0)
                 iounmap(mem_ptr0);
         if (mem_ptr1)
@@ -713,6 +985,7 @@ err_out_free_res:
         pci_release_regions(pdev);
 
 err_out_disable_pdev:
+        pci_set_drvdata(pdev, NULL);
         pci_disable_device(pdev);
         return err;
 }
@@ -721,11 +994,6 @@ static void __devexit netxen_nic_remove(struct pci_dev *pdev)
 {
         struct netxen_adapter *adapter;
         struct net_device *netdev;
-        struct netxen_rx_buffer *buffer;
-        struct netxen_recv_context *recv_ctx;
-        struct netxen_rcv_desc_ctx *rcv_desc;
-        int i, ctxid, ring;
-        static int init_firmware_done = 0;
 
         adapter = pci_get_drvdata(pdev);
         if (adapter == NULL)
@@ -736,36 +1004,18 @@ static void __devexit netxen_nic_remove(struct pci_dev *pdev)
         unregister_netdev(netdev);
 
         if (adapter->is_up == NETXEN_ADAPTER_UP_MAGIC) {
-                init_firmware_done++;
                 netxen_free_hw_resources(adapter);
+                netxen_free_sw_resources(adapter);
         }
 
-        for (ctxid = 0; ctxid < MAX_RCV_CTX; ++ctxid) {
-                recv_ctx = &adapter->recv_ctx[ctxid];
-                for (ring = 0; ring < NUM_RCV_DESC_RINGS; ring++) {
-                        rcv_desc = &recv_ctx->rcv_desc[ring];
-                        for (i = 0; i < rcv_desc->max_rx_desc_count; ++i) {
-                                buffer = &(rcv_desc->rx_buf_arr[i]);
-                                if (buffer->state == NETXEN_BUFFER_FREE)
-                                        continue;
-                                pci_unmap_single(pdev, buffer->dma,
-                                                 rcv_desc->dma_size,
-                                                 PCI_DMA_FROMDEVICE);
-                                if (buffer->skb != NULL)
-                                        dev_kfree_skb_any(buffer->skb);
-                        }
-                        vfree(rcv_desc->rx_buf_arr);
-                }
-        }
-
-        vfree(adapter->cmd_buf_arr);
-
         if (adapter->portnum == 0)
                 netxen_free_adapter_offload(adapter);
 
         if (adapter->irq)
                 free_irq(adapter->irq, adapter);
 
+        if (adapter->flags & NETXEN_NIC_MSIX_ENABLED)
+                pci_disable_msix(pdev);
         if (adapter->flags & NETXEN_NIC_MSI_ENABLED)
                 pci_disable_msi(pdev);
 
@@ -803,51 +1053,69 @@ static int netxen_nic_open(struct net_device *netdev)
                         return -EIO;
                 }
 
-                /* setup all the resources for the Phantom... */
-                /* this include the descriptors for rcv, tx, and status */
-                netxen_nic_clear_stats(adapter);
-                err = netxen_nic_hw_resources(adapter);
+                err = netxen_alloc_sw_resources(adapter);
                 if (err) {
-                        printk(KERN_ERR "Error in setting hw resources:%d\n",
-                               err);
+                        printk(KERN_ERR "%s: Error in setting sw resources\n",
+                                        netdev->name);
                         return err;
                 }
+
+                netxen_nic_clear_stats(adapter);
+
+                err = netxen_alloc_hw_resources(adapter);
+                if (err) {
+                        printk(KERN_ERR "%s: Error in setting hw resources\n",
+                                        netdev->name);
+                        goto err_out_free_sw;
+                }
+
+                if (adapter->fw_major < 4) {
+                        adapter->crb_addr_cmd_producer =
+                                crb_cmd_producer[adapter->portnum];
+                        adapter->crb_addr_cmd_consumer =
+                                crb_cmd_consumer[adapter->portnum];
+                }
+
+                netxen_nic_update_cmd_producer(adapter, 0);
+                netxen_nic_update_cmd_consumer(adapter, 0);
+
                 for (ctx = 0; ctx < MAX_RCV_CTX; ++ctx) {
-                        for (ring = 0; ring < NUM_RCV_DESC_RINGS; ring++)
+                        for (ring = 0; ring < adapter->max_rds_rings; ring++)
                                 netxen_post_rx_buffers(adapter, ctx, ring);
                 }
-                adapter->irq = adapter->ahw.pdev->irq;
-                if (adapter->flags & NETXEN_NIC_MSI_ENABLED)
+                if (NETXEN_IS_MSI_FAMILY(adapter))
                         handler = netxen_msi_intr;
                 else {
                         flags |= IRQF_SHARED;
                         handler = netxen_intr;
                 }
+                adapter->irq = netdev->irq;
                 err = request_irq(adapter->irq, handler,
                                   flags, netdev->name, adapter);
                 if (err) {
                         printk(KERN_ERR "request_irq failed with: %d\n", err);
-                        netxen_free_hw_resources(adapter);
-                        return err;
+                        goto err_out_free_hw;
                 }
 
                 adapter->is_up = NETXEN_ADAPTER_UP_MAGIC;
         }
+
         /* Done here again so that even if phantom sw overwrote it,
          * we set it */
-        if (adapter->init_port
-            && adapter->init_port(adapter, adapter->portnum) != 0) {
+        err = adapter->init_port(adapter, adapter->physical_port);
+        if (err) {
                 printk(KERN_ERR "%s: Failed to initialize port %d\n",
                                 netxen_nic_driver_name, adapter->portnum);
-                return -EIO;
+                goto err_out_free_irq;
         }
-        if (adapter->macaddr_set)
-                adapter->macaddr_set(adapter, netdev->dev_addr);
+        adapter->macaddr_set(adapter, netdev->dev_addr);
 
         netxen_nic_set_link_parameters(adapter);
 
-        netxen_nic_set_multi(netdev);
-        if (adapter->set_mtu)
+        netdev->set_multicast_list(netdev);
+        if (NX_IS_REVISION_P3(adapter->ahw.revision_id))
+                nx_fw_cmd_set_mtu(adapter, netdev->mtu);
+        else
                 adapter->set_mtu(adapter, netdev->mtu);
 
         mod_timer(&adapter->watchdog_timer, jiffies);
@@ -858,6 +1126,14 @@ static int netxen_nic_open(struct net_device *netdev)
         netif_start_queue(netdev);
 
         return 0;
+
+err_out_free_irq:
+        free_irq(adapter->irq, adapter);
+err_out_free_hw:
+        netxen_free_hw_resources(adapter);
+err_out_free_sw:
+        netxen_free_sw_resources(adapter);
+        return err;
 }
 
 /*
@@ -866,9 +1142,6 @@ static int netxen_nic_open(struct net_device *netdev)
 static int netxen_nic_close(struct net_device *netdev)
 {
         struct netxen_adapter *adapter = netdev_priv(netdev);
-        int i, j;
-        struct netxen_cmd_buffer *cmd_buff;
-        struct netxen_skb_frag *buffrag;
 
         netif_carrier_off(netdev);
         netif_stop_queue(netdev);
@@ -879,30 +1152,8 @@ static int netxen_nic_close(struct net_device *netdev)
 
         netxen_nic_disable_int(adapter);
 
-        cmd_buff = adapter->cmd_buf_arr;
-        for (i = 0; i < adapter->max_tx_desc_count; i++) {
-                buffrag = cmd_buff->frag_array;
-                if (buffrag->dma) {
-                        pci_unmap_single(adapter->pdev, buffrag->dma,
-                                         buffrag->length, PCI_DMA_TODEVICE);
-                        buffrag->dma = 0ULL;
-                }
-                for (j = 0; j < cmd_buff->frag_count; j++) {
-                        buffrag++;
-                        if (buffrag->dma) {
-                                pci_unmap_page(adapter->pdev, buffrag->dma,
-                                               buffrag->length,
-                                               PCI_DMA_TODEVICE);
-                                buffrag->dma = 0ULL;
-                        }
-                }
-                /* Free the skb we received in netxen_nic_xmit_frame */
-                if (cmd_buff->skb) {
-                        dev_kfree_skb_any(cmd_buff->skb);
-                        cmd_buff->skb = NULL;
-                }
-                cmd_buff++;
-        }
+        netxen_release_tx_buffers(adapter);
+
         if (adapter->is_up == NETXEN_ADAPTER_UP_MAGIC) {
                 FLUSH_SCHEDULED_WORK();
                 del_timer_sync(&adapter->watchdog_timer);
@@ -911,6 +1162,31 @@ static int netxen_nic_close(struct net_device *netdev)
         return 0;
 }
 
+void netxen_tso_check(struct netxen_adapter *adapter,
+                      struct cmd_desc_type0 *desc, struct sk_buff *skb)
+{
+        if (desc->mss) {
+                desc->total_hdr_length = (sizeof(struct ethhdr) +
+                                          ip_hdrlen(skb) + tcp_hdrlen(skb));
+
+                if ((NX_IS_REVISION_P3(adapter->ahw.revision_id)) &&
+                                (skb->protocol == htons(ETH_P_IPV6)))
+                        netxen_set_cmd_desc_opcode(desc, TX_TCP_LSO6);
+                else
+                        netxen_set_cmd_desc_opcode(desc, TX_TCP_LSO);
+
+        } else if (skb->ip_summed == CHECKSUM_PARTIAL) {
+                if (ip_hdr(skb)->protocol == IPPROTO_TCP)
+                        netxen_set_cmd_desc_opcode(desc, TX_TCP_PKT);
+                else if (ip_hdr(skb)->protocol == IPPROTO_UDP)
+                        netxen_set_cmd_desc_opcode(desc, TX_UDP_PKT);
+                else
+                        return;
+        }
+        desc->tcp_hdr_offset = skb_transport_offset(skb);
+        desc->ip_hdr_offset = skb_network_offset(skb);
+}
+
 static int netxen_nic_xmit_frame(struct sk_buff *skb, struct net_device *netdev)
 {
         struct netxen_adapter *adapter = netdev_priv(netdev);
@@ -932,7 +1208,7 @@ static int netxen_nic_xmit_frame(struct sk_buff *skb, struct net_device *netdev)
 
         /* There 4 fragments per descriptor */
         no_of_desc = (frag_count + 3) >> 2;
-        if (netdev->features & NETIF_F_TSO) {
+        if (netdev->features & (NETIF_F_TSO | NETIF_F_TSO6)) {
                 if (skb_shinfo(skb)->gso_size > 0) {
 
                         no_of_desc++;
@@ -959,7 +1235,8 @@ static int netxen_nic_xmit_frame(struct sk_buff *skb, struct net_device *netdev)
         memset(hwdesc, 0, sizeof(struct cmd_desc_type0));
         /* Take skb->data itself */
         pbuf = &adapter->cmd_buf_arr[producer];
-        if ((netdev->features & NETIF_F_TSO) && skb_shinfo(skb)->gso_size > 0) {
+        if ((netdev->features & (NETIF_F_TSO | NETIF_F_TSO6)) &&
+                        skb_shinfo(skb)->gso_size > 0) {
                 pbuf->mss = skb_shinfo(skb)->gso_size;
                 hwdesc->mss = cpu_to_le16(skb_shinfo(skb)->gso_size);
         } else {
@@ -1086,6 +1363,89 @@ static int netxen_nic_xmit_frame(struct sk_buff *skb, struct net_device *netdev)
         return NETDEV_TX_OK;
 }
 
+static int netxen_nic_check_temp(struct netxen_adapter *adapter)
+{
+        struct net_device *netdev = adapter->netdev;
+        uint32_t temp, temp_state, temp_val;
+        int rv = 0;
+
+        temp = adapter->pci_read_normalize(adapter, CRB_TEMP_STATE);
+
+        temp_state = nx_get_temp_state(temp);
+        temp_val = nx_get_temp_val(temp);
+
+        if (temp_state == NX_TEMP_PANIC) {
+                printk(KERN_ALERT
+                       "%s: Device temperature %d degrees C exceeds"
+                       " maximum allowed. Hardware has been shut down.\n",
+                       netxen_nic_driver_name, temp_val);
+
+                netif_carrier_off(netdev);
+                netif_stop_queue(netdev);
+                rv = 1;
+        } else if (temp_state == NX_TEMP_WARN) {
+                if (adapter->temp == NX_TEMP_NORMAL) {
+                        printk(KERN_ALERT
+                               "%s: Device temperature %d degrees C "
+                               "exceeds operating range."
+                               " Immediate action needed.\n",
+                               netxen_nic_driver_name, temp_val);
+                }
+        } else {
+                if (adapter->temp == NX_TEMP_WARN) {
+                        printk(KERN_INFO
+                               "%s: Device temperature is now %d degrees C"
+                               " in normal range.\n", netxen_nic_driver_name,
+                               temp_val);
+                }
+        }
+        adapter->temp = temp_state;
+        return rv;
+}
+
+static void netxen_nic_handle_phy_intr(struct netxen_adapter *adapter)
+{
+        struct net_device *netdev = adapter->netdev;
+        u32 val, port, linkup;
+
+        port = adapter->physical_port;
+
+        if (adapter->ahw.board_type == NETXEN_NIC_GBE) {
+                val = adapter->pci_read_normalize(adapter, CRB_XG_STATE);
+                linkup = (val >> port) & 1;
+        } else {
+                if (adapter->fw_major < 4) {
+                        val = adapter->pci_read_normalize(adapter,
+                                        CRB_XG_STATE);
+                        val = (val >> port*8) & 0xff;
+                        linkup = (val == XG_LINK_UP);
+                } else {
+                        val = adapter->pci_read_normalize(adapter,
+                                CRB_XG_STATE_P3);
+                        val = XG_LINK_STATE_P3(adapter->ahw.pci_func, val);
+                        linkup = (val == XG_LINK_UP_P3);
+                }
+        }
+
+        if (adapter->ahw.linkup && !linkup) {
+                printk(KERN_INFO "%s: %s NIC Link is down\n",
+                       netxen_nic_driver_name, netdev->name);
+                adapter->ahw.linkup = 0;
+                if (netif_running(netdev)) {
+                        netif_carrier_off(netdev);
+                        netif_stop_queue(netdev);
+                }
+        } else if (!adapter->ahw.linkup && linkup) {
+                printk(KERN_INFO "%s: %s NIC Link is up\n",
+                       netxen_nic_driver_name, netdev->name);
+                adapter->ahw.linkup = 1;
+                if (netif_running(netdev)) {
+                        netif_carrier_on(netdev);
+                        netif_wake_queue(netdev);
+                }
+        }
+}
+
 static void netxen_watchdog(unsigned long v)
 {
         struct netxen_adapter *adapter = (struct netxen_adapter *)v;
@@ -1093,6 +1453,19 @@ static void netxen_watchdog(unsigned long v)
         SCHEDULE_WORK(&adapter->watchdog_task);
 }
 
+void netxen_watchdog_task(struct work_struct *work)
+{
+        struct netxen_adapter *adapter =
+                container_of(work, struct netxen_adapter, watchdog_task);
+
+        if ((adapter->portnum  == 0) && netxen_nic_check_temp(adapter))
+                return;
+
+        netxen_nic_handle_phy_intr(adapter);
+
+        mod_timer(&adapter->watchdog_timer, jiffies + 2 * HZ);
+}
+
 static void netxen_tx_timeout(struct net_device *netdev)
 {
         struct netxen_adapter *adapter = (struct netxen_adapter *)
@@ -1118,6 +1491,38 @@ static void netxen_tx_timeout_task(struct work_struct *work)
         netif_wake_queue(adapter->netdev);
 }
 
+/*
+ * netxen_nic_get_stats - Get System Network Statistics
+ * @netdev: network interface device structure
+ */
+struct net_device_stats *netxen_nic_get_stats(struct net_device *netdev)
+{
+        struct netxen_adapter *adapter = netdev_priv(netdev);
+        struct net_device_stats *stats = &adapter->net_stats;
+
+        memset(stats, 0, sizeof(*stats));
+
+        /* total packets received   */
+        stats->rx_packets = adapter->stats.no_rcv;
+        /* total packets transmitted    */
+        stats->tx_packets = adapter->stats.xmitedframes +
+                adapter->stats.xmitfinished;
+        /* total bytes received     */
+        stats->rx_bytes = adapter->stats.rxbytes;
+        /* total bytes transmitted  */
+        stats->tx_bytes = adapter->stats.txbytes;
+        /* bad packets received     */
+        stats->rx_errors = adapter->stats.rcvdbadskb;
+        /* packet transmit problems */
+        stats->tx_errors = adapter->stats.nocmddescriptor;
+        /* no space in linux buffers    */
+        stats->rx_dropped = adapter->stats.rxdropped;
+        /* no space available in linux  */
+        stats->tx_dropped = adapter->stats.txdropped;
+
+        return stats;
+}
+
 static inline void
 netxen_handle_int(struct netxen_adapter *adapter)
 {
@@ -1125,20 +1530,20 @@ netxen_handle_int(struct netxen_adapter *adapter)
         napi_schedule(&adapter->napi);
 }
 
-irqreturn_t netxen_intr(int irq, void *data)
+static irqreturn_t netxen_intr(int irq, void *data)
 {
         struct netxen_adapter *adapter = data;
         u32 our_int = 0;
 
-        our_int = readl(NETXEN_CRB_NORMALIZE(adapter, CRB_INT_VECTOR));
+        our_int = adapter->pci_read_normalize(adapter, CRB_INT_VECTOR);
         /* not our interrupt */
         if ((our_int & (0x80 << adapter->portnum)) == 0)
                 return IRQ_NONE;
 
         if (adapter->intr_scheme == INTR_SCHEME_PERPORT) {
                 /* claim interrupt */
-                writel(our_int & ~((u32)(0x80 << adapter->portnum)),
-                        NETXEN_CRB_NORMALIZE(adapter, CRB_INT_VECTOR));
+                adapter->pci_write_normalize(adapter, CRB_INT_VECTOR,
+                                our_int & ~((u32)(0x80 << adapter->portnum)));
         }
 
         netxen_handle_int(adapter);
@@ -1146,7 +1551,7 @@ irqreturn_t netxen_intr(int irq, void *data)
         return IRQ_HANDLED;
 }
 
-irqreturn_t netxen_msi_intr(int irq, void *data)
+static irqreturn_t netxen_msi_intr(int irq, void *data)
 {
         struct netxen_adapter *adapter = data;
 
@@ -1220,10 +1625,6 @@ module_init(netxen_init_module);
 
 static void __exit netxen_exit_module(void)
 {
-        /*
-         * Wait for some time to allow the dma to drain, if any.
-         */
-        msleep(100);
         pci_unregister_driver(&netxen_driver);
         destroy_workqueue(netxen_workq);
 }
diff --git a/drivers/net/netxen/netxen_nic_niu.c b/drivers/net/netxen/netxen_nic_niu.c
index a3bc7cc67a6f..4cb8f4a1cf4b 100644
--- a/drivers/net/netxen/netxen_nic_niu.c
+++ b/drivers/net/netxen/netxen_nic_niu.c
@@ -46,9 +46,8 @@ static int phy_lock(struct netxen_adapter *adapter)
         int done = 0, timeout = 0;
 
         while (!done) {
-                done =
-                    readl(pci_base_offset
-                          (adapter, NETXEN_PCIE_REG(PCIE_SEM3_LOCK)));
+                done = netxen_nic_reg_read(adapter,
+                                NETXEN_PCIE_REG(PCIE_SEM3_LOCK));
                 if (done == 1)
                         break;
                 if (timeout >= phy_lock_timeout) {
@@ -63,14 +62,14 @@ static int phy_lock(struct netxen_adapter *adapter)
                 }
         }
 
-        writel(PHY_LOCK_DRIVER,
-               NETXEN_CRB_NORMALIZE(adapter, NETXEN_PHY_LOCK_ID));
+        netxen_crb_writelit_adapter(adapter,
+                        NETXEN_PHY_LOCK_ID, PHY_LOCK_DRIVER);
         return 0;
 }
 
 static int phy_unlock(struct netxen_adapter *adapter)
 {
-        readl(pci_base_offset(adapter, NETXEN_PCIE_REG(PCIE_SEM3_UNLOCK)));
+        adapter->pci_read_immediate(adapter, NETXEN_PCIE_REG(PCIE_SEM3_UNLOCK));
 
         return 0;
 }
@@ -109,7 +108,7 @@ int netxen_niu_gbe_phy_read(struct netxen_adapter *adapter, long reg,
          * so it cannot be in reset
          */
 
-        if (netxen_nic_hw_read_wx(adapter, NETXEN_NIU_GB_MAC_CONFIG_0(0),
+        if (adapter->hw_read_wx(adapter, NETXEN_NIU_GB_MAC_CONFIG_0(0),
                                   &mac_cfg0, 4))
                 return -EIO;
         if (netxen_gb_get_soft_reset(mac_cfg0)) {
@@ -119,7 +118,7 @@ int netxen_niu_gbe_phy_read(struct netxen_adapter *adapter, long reg,
                 netxen_gb_rx_reset_pb(temp);
                 netxen_gb_tx_reset_mac(temp);
                 netxen_gb_rx_reset_mac(temp);
-                if (netxen_nic_hw_write_wx(adapter,
+                if (adapter->hw_write_wx(adapter,
                                            NETXEN_NIU_GB_MAC_CONFIG_0(0),
                                            &temp, 4))
                         return -EIO;
@@ -129,22 +128,22 @@ int netxen_niu_gbe_phy_read(struct netxen_adapter *adapter, long reg,
         address = 0;
         netxen_gb_mii_mgmt_reg_addr(address, reg);
         netxen_gb_mii_mgmt_phy_addr(address, phy);
-        if (netxen_nic_hw_write_wx(adapter, NETXEN_NIU_GB_MII_MGMT_ADDR(0),
+        if (adapter->hw_write_wx(adapter, NETXEN_NIU_GB_MII_MGMT_ADDR(0),
                                    &address, 4))
                 return -EIO;
         command = 0;            /* turn off any prior activity */
-        if (netxen_nic_hw_write_wx(adapter, NETXEN_NIU_GB_MII_MGMT_COMMAND(0),
+        if (adapter->hw_write_wx(adapter, NETXEN_NIU_GB_MII_MGMT_COMMAND(0),
                                    &command, 4))
                 return -EIO;
         /* send read command */
         netxen_gb_mii_mgmt_set_read_cycle(command);
-        if (netxen_nic_hw_write_wx(adapter, NETXEN_NIU_GB_MII_MGMT_COMMAND(0),
+        if (adapter->hw_write_wx(adapter, NETXEN_NIU_GB_MII_MGMT_COMMAND(0),
                                    &command, 4))
                 return -EIO;
 
         status = 0;
         do {
-                if (netxen_nic_hw_read_wx(adapter,
+                if (adapter->hw_read_wx(adapter,
                                           NETXEN_NIU_GB_MII_MGMT_INDICATE(0),
                                           &status, 4))
                         return -EIO;
@@ -154,7 +153,7 @@ int netxen_niu_gbe_phy_read(struct netxen_adapter *adapter, long reg,
                  && (timeout++ < NETXEN_NIU_PHY_WAITMAX));
 
         if (timeout < NETXEN_NIU_PHY_WAITMAX) {
-                if (netxen_nic_hw_read_wx(adapter,
+                if (adapter->hw_read_wx(adapter,
                                           NETXEN_NIU_GB_MII_MGMT_STATUS(0),
                                           readval, 4))
                         return -EIO;
@@ -163,7 +162,7 @@ int netxen_niu_gbe_phy_read(struct netxen_adapter *adapter, long reg,
                 result = -1;
 
         if (restore)
-                if (netxen_nic_hw_write_wx(adapter,
+                if (adapter->hw_write_wx(adapter,
                                            NETXEN_NIU_GB_MAC_CONFIG_0(0),
                                            &mac_cfg0, 4))
                         return -EIO;
@@ -201,7 +200,7 @@ int netxen_niu_gbe_phy_write(struct netxen_adapter *adapter, long reg,
          * cannot be in reset
          */
 
-        if (netxen_nic_hw_read_wx(adapter, NETXEN_NIU_GB_MAC_CONFIG_0(0),
+        if (adapter->hw_read_wx(adapter, NETXEN_NIU_GB_MAC_CONFIG_0(0),
                                   &mac_cfg0, 4))
                 return -EIO;
         if (netxen_gb_get_soft_reset(mac_cfg0)) {
@@ -212,7 +211,7 @@ int netxen_niu_gbe_phy_write(struct netxen_adapter *adapter, long reg,
                 netxen_gb_tx_reset_mac(temp);
                 netxen_gb_rx_reset_mac(temp);
 
-                if (netxen_nic_hw_write_wx(adapter,
+                if (adapter->hw_write_wx(adapter,
                                            NETXEN_NIU_GB_MAC_CONFIG_0(0),
                                            &temp, 4))
                         return -EIO;
@@ -220,24 +219,24 @@ int netxen_niu_gbe_phy_write(struct netxen_adapter *adapter, long reg,
         }
 
         command = 0;            /* turn off any prior activity */
-        if (netxen_nic_hw_write_wx(adapter, NETXEN_NIU_GB_MII_MGMT_COMMAND(0),
+        if (adapter->hw_write_wx(adapter, NETXEN_NIU_GB_MII_MGMT_COMMAND(0),
                                    &command, 4))
                 return -EIO;
 
         address = 0;
         netxen_gb_mii_mgmt_reg_addr(address, reg);
         netxen_gb_mii_mgmt_phy_addr(address, phy);
-        if (netxen_nic_hw_write_wx(adapter, NETXEN_NIU_GB_MII_MGMT_ADDR(0),
+        if (adapter->hw_write_wx(adapter, NETXEN_NIU_GB_MII_MGMT_ADDR(0),
                                    &address, 4))
                 return -EIO;
 
-        if (netxen_nic_hw_write_wx(adapter, NETXEN_NIU_GB_MII_MGMT_CTRL(0),
+        if (adapter->hw_write_wx(adapter, NETXEN_NIU_GB_MII_MGMT_CTRL(0),
                                    &val, 4))
                 return -EIO;
 
         status = 0;
         do {
-                if (netxen_nic_hw_read_wx(adapter,
+                if (adapter->hw_read_wx(adapter,
                                           NETXEN_NIU_GB_MII_MGMT_INDICATE(0),
                                           &status, 4))
                         return -EIO;
@@ -252,7 +251,7 @@ int netxen_niu_gbe_phy_write(struct netxen_adapter *adapter, long reg,
 
         /* restore the state of port 0 MAC in case we tampered with it */
         if (restore)
-                if (netxen_nic_hw_write_wx(adapter,
+                if (adapter->hw_write_wx(adapter,
                                            NETXEN_NIU_GB_MAC_CONFIG_0(0),
                                            &mac_cfg0, 4))
                         return -EIO;
@@ -401,14 +400,16 @@ int netxen_niu_gbe_init_port(struct netxen_adapter *adapter, int port)
 {
         int result = 0;
         __u32 status;
+
+        if (NX_IS_REVISION_P3(adapter->ahw.revision_id))
+                return 0;
+
         if (adapter->disable_phy_interrupts)
                 adapter->disable_phy_interrupts(adapter);
         mdelay(2);
 
-        if (0 ==
-            netxen_niu_gbe_phy_read(adapter,
-                                    NETXEN_NIU_GB_MII_MGMT_ADDR_PHY_STATUS,
-                                    &status)) {
+        if (0 == netxen_niu_gbe_phy_read(adapter,
+                        NETXEN_NIU_GB_MII_MGMT_ADDR_PHY_STATUS, &status)) {
                 if (netxen_get_phy_link(status)) {
                         if (netxen_get_phy_speed(status) == 2) {
                                 netxen_niu_gbe_set_gmii_mode(adapter, port, 1);
@@ -456,12 +457,12 @@ int netxen_niu_gbe_init_port(struct netxen_adapter *adapter, int port)
 
 int netxen_niu_xg_init_port(struct netxen_adapter *adapter, int port)
 {
-        u32 portnum = adapter->physical_port;
-
-        netxen_crb_writelit_adapter(adapter,
-                NETXEN_NIU_XGE_CONFIG_1+(0x10000*portnum), 0x1447);
-        netxen_crb_writelit_adapter(adapter,
-                NETXEN_NIU_XGE_CONFIG_0+(0x10000*portnum), 0x5);
+        if (NX_IS_REVISION_P2(adapter->ahw.revision_id)) {
+                netxen_crb_writelit_adapter(adapter,
+                        NETXEN_NIU_XGE_CONFIG_1+(0x10000*port), 0x1447);
+                netxen_crb_writelit_adapter(adapter,
+                        NETXEN_NIU_XGE_CONFIG_0+(0x10000*port), 0x5);
+        }
 
         return 0;
 }
@@ -581,10 +582,10 @@ static int netxen_niu_macaddr_get(struct netxen_adapter *adapter,
         if ((phy < 0) || (phy > 3))
                 return -EINVAL;
 
-        if (netxen_nic_hw_read_wx(adapter, NETXEN_NIU_GB_STATION_ADDR_0(phy),
+        if (adapter->hw_read_wx(adapter, NETXEN_NIU_GB_STATION_ADDR_0(phy),
                                   &stationhigh, 4))
                 return -EIO;
-        if (netxen_nic_hw_read_wx(adapter, NETXEN_NIU_GB_STATION_ADDR_1(phy),
+        if (adapter->hw_read_wx(adapter, NETXEN_NIU_GB_STATION_ADDR_1(phy),
                                   &stationlow, 4))
                 return -EIO;
         ((__le32 *)val)[1] = cpu_to_le32(stationhigh);
@@ -613,14 +614,14 @@ int netxen_niu_macaddr_set(struct netxen_adapter *adapter,
                 temp[0] = temp[1] = 0;
                 memcpy(temp + 2, addr, 2);
                 val = le32_to_cpu(*(__le32 *)temp);
-                if (netxen_nic_hw_write_wx
-                    (adapter, NETXEN_NIU_GB_STATION_ADDR_1(phy), &val, 4))
+                if (adapter->hw_write_wx(adapter,
+                                NETXEN_NIU_GB_STATION_ADDR_1(phy), &val, 4))
                         return -EIO;
 
                 memcpy(temp, ((u8 *) addr) + 2, sizeof(__le32));
                 val = le32_to_cpu(*(__le32 *)temp);
-                if (netxen_nic_hw_write_wx
-                    (adapter, NETXEN_NIU_GB_STATION_ADDR_0(phy), &val, 4))
+                if (adapter->hw_write_wx(adapter,
+                                NETXEN_NIU_GB_STATION_ADDR_0(phy), &val, 4))
                         return -2;
 
                 netxen_niu_macaddr_get(adapter,
@@ -654,7 +655,7 @@ int netxen_niu_enable_gbe_port(struct netxen_adapter *adapter,
 
         mac_cfg0 = 0;
         netxen_gb_soft_reset(mac_cfg0);
-        if (netxen_nic_hw_write_wx(adapter, NETXEN_NIU_GB_MAC_CONFIG_0(port),
+        if (adapter->hw_write_wx(adapter, NETXEN_NIU_GB_MAC_CONFIG_0(port),
                                    &mac_cfg0, 4))
                 return -EIO;
         mac_cfg0 = 0;
@@ -666,7 +667,7 @@ int netxen_niu_enable_gbe_port(struct netxen_adapter *adapter,
         netxen_gb_tx_reset_mac(mac_cfg0);
         netxen_gb_rx_reset_mac(mac_cfg0);
 
-        if (netxen_nic_hw_write_wx(adapter, NETXEN_NIU_GB_MAC_CONFIG_0(port),
+        if (adapter->hw_write_wx(adapter, NETXEN_NIU_GB_MAC_CONFIG_0(port),
                                    &mac_cfg0, 4))
                 return -EIO;
         mac_cfg1 = 0;
@@ -679,7 +680,7 @@ int netxen_niu_enable_gbe_port(struct netxen_adapter *adapter,
 
         if (mode == NETXEN_NIU_10_100_MB) {
                 netxen_gb_set_intfmode(mac_cfg1, 1);
-                if (netxen_nic_hw_write_wx(adapter,
+                if (adapter->hw_write_wx(adapter,
                                            NETXEN_NIU_GB_MAC_CONFIG_1(port),
                                            &mac_cfg1, 4))
                         return -EIO;
@@ -692,7 +693,7 @@ int netxen_niu_enable_gbe_port(struct netxen_adapter *adapter,
 
         } else if (mode == NETXEN_NIU_1000_MB) {
                 netxen_gb_set_intfmode(mac_cfg1, 2);
-                if (netxen_nic_hw_write_wx(adapter,
+                if (adapter->hw_write_wx(adapter,
                                            NETXEN_NIU_GB_MAC_CONFIG_1(port),
                                            &mac_cfg1, 4))
                         return -EIO;
@@ -704,7 +705,7 @@ int netxen_niu_enable_gbe_port(struct netxen_adapter *adapter,
         }
         mii_cfg = 0;
         netxen_gb_set_mii_mgmt_clockselect(mii_cfg, 7);
-        if (netxen_nic_hw_write_wx(adapter, NETXEN_NIU_GB_MII_MGMT_CONFIG(port),
+        if (adapter->hw_write_wx(adapter, NETXEN_NIU_GB_MII_MGMT_CONFIG(port),
                                    &mii_cfg, 4))
                 return -EIO;
         mac_cfg0 = 0;
@@ -713,7 +714,7 @@ int netxen_niu_enable_gbe_port(struct netxen_adapter *adapter,
         netxen_gb_unset_rx_flowctl(mac_cfg0);
         netxen_gb_unset_tx_flowctl(mac_cfg0);
 
-        if (netxen_nic_hw_write_wx(adapter, NETXEN_NIU_GB_MAC_CONFIG_0(port),
+        if (adapter->hw_write_wx(adapter, NETXEN_NIU_GB_MAC_CONFIG_0(port),
                                    &mac_cfg0, 4))
                 return -EIO;
         return 0;
@@ -730,7 +731,7 @@ int netxen_niu_disable_gbe_port(struct netxen_adapter *adapter)
                 return -EINVAL;
         mac_cfg0 = 0;
         netxen_gb_soft_reset(mac_cfg0);
-        if (netxen_nic_hw_write_wx(adapter, NETXEN_NIU_GB_MAC_CONFIG_0(port),
+        if (adapter->hw_write_wx(adapter, NETXEN_NIU_GB_MAC_CONFIG_0(port),
                                    &mac_cfg0, 4))
                 return -EIO;
         return 0;
@@ -746,7 +747,7 @@ int netxen_niu_disable_xg_port(struct netxen_adapter *adapter)
                 return -EINVAL;
 
         mac_cfg = 0;
-        if (netxen_nic_hw_write_wx(adapter,
+        if (adapter->hw_write_wx(adapter,
                 NETXEN_NIU_XGE_CONFIG_0 + (0x10000 * port), &mac_cfg, 4))
                 return -EIO;
         return 0;
@@ -763,7 +764,7 @@ int netxen_niu_set_promiscuous_mode(struct netxen_adapter *adapter,
                 return -EINVAL;
 
         /* save previous contents */
-        if (netxen_nic_hw_read_wx(adapter, NETXEN_NIU_GB_DROP_WRONGADDR,
+        if (adapter->hw_read_wx(adapter, NETXEN_NIU_GB_DROP_WRONGADDR,
                                   &reg, 4))
                 return -EIO;
         if (mode == NETXEN_NIU_PROMISC_MODE) {
@@ -801,7 +802,7 @@ int netxen_niu_set_promiscuous_mode(struct netxen_adapter *adapter,
                         return -EIO;
                 }
         }
-        if (netxen_nic_hw_write_wx(adapter, NETXEN_NIU_GB_DROP_WRONGADDR,
+        if (adapter->hw_write_wx(adapter, NETXEN_NIU_GB_DROP_WRONGADDR,
                                    &reg, 4))
                 return -EIO;
         return 0;
@@ -826,13 +827,13 @@ int netxen_niu_xg_macaddr_set(struct netxen_adapter *adapter,
         case 0:
             memcpy(temp + 2, addr, 2);
             val = le32_to_cpu(*(__le32 *)temp);
-            if (netxen_nic_hw_write_wx(adapter, NETXEN_NIU_XGE_STATION_ADDR_0_1,
+            if (adapter->hw_write_wx(adapter, NETXEN_NIU_XGE_STATION_ADDR_0_1,
                                 &val, 4))
                 return -EIO;
 
             memcpy(&temp, ((u8 *) addr) + 2, sizeof(__le32));
             val = le32_to_cpu(*(__le32 *)temp);
-            if (netxen_nic_hw_write_wx(adapter, NETXEN_NIU_XGE_STATION_ADDR_0_HI,
+            if (adapter->hw_write_wx(adapter, NETXEN_NIU_XGE_STATION_ADDR_0_HI,
                                 &val, 4))
                 return -EIO;
             break;
@@ -840,13 +841,13 @@ int netxen_niu_xg_macaddr_set(struct netxen_adapter *adapter,
         case 1:
             memcpy(temp + 2, addr, 2);
             val = le32_to_cpu(*(__le32 *)temp);
-            if (netxen_nic_hw_write_wx(adapter, NETXEN_NIU_XG1_STATION_ADDR_0_1,
+            if (adapter->hw_write_wx(adapter, NETXEN_NIU_XG1_STATION_ADDR_0_1,
                                 &val, 4))
                 return -EIO;
 
             memcpy(&temp, ((u8 *) addr) + 2, sizeof(__le32));
             val = le32_to_cpu(*(__le32 *)temp);
-            if (netxen_nic_hw_write_wx(adapter, NETXEN_NIU_XG1_STATION_ADDR_0_HI,
+            if (adapter->hw_write_wx(adapter, NETXEN_NIU_XG1_STATION_ADDR_0_HI,
                                 &val, 4))
                 return -EIO;
             break;
@@ -877,10 +878,10 @@ int netxen_niu_xg_macaddr_get(struct netxen_adapter *adapter,
         if (phy != 0)
                 return -EINVAL;
 
-        if (netxen_nic_hw_read_wx(adapter, NETXEN_NIU_XGE_STATION_ADDR_0_HI,
+        if (adapter->hw_read_wx(adapter, NETXEN_NIU_XGE_STATION_ADDR_0_HI,
                                   &stationhigh, 4))
                 return -EIO;
-        if (netxen_nic_hw_read_wx(adapter, NETXEN_NIU_XGE_STATION_ADDR_0_1,
+        if (adapter->hw_read_wx(adapter, NETXEN_NIU_XGE_STATION_ADDR_0_1,
                                   &stationlow, 4))
                 return -EIO;
         ((__le32 *)val)[1] = cpu_to_le32(stationhigh);
@@ -901,7 +902,7 @@ int netxen_niu_xg_set_promiscuous_mode(struct netxen_adapter *adapter,
         if (port > NETXEN_NIU_MAX_XG_PORTS)
                 return -EINVAL;
 
-        if (netxen_nic_hw_read_wx(adapter,
+        if (adapter->hw_read_wx(adapter,
                 NETXEN_NIU_XGE_CONFIG_1 + (0x10000 * port), &reg, 4))
                         return -EIO;
         if (mode == NETXEN_NIU_PROMISC_MODE)
@@ -909,6 +910,11 @@ int netxen_niu_xg_set_promiscuous_mode(struct netxen_adapter *adapter,
         else
                 reg = (reg & ~0x2000UL);
 
+        if (mode == NETXEN_NIU_ALLMULTI_MODE)
+                reg = (reg | 0x1000UL);
+        else
+                reg = (reg & ~0x1000UL);
+
         netxen_crb_writelit_adapter(adapter,
                 NETXEN_NIU_XGE_CONFIG_1 + (0x10000 * port), reg);
 
diff --git a/drivers/net/netxen/netxen_nic_phan_reg.h b/drivers/net/netxen/netxen_nic_phan_reg.h
index a566b50f36f5..3bfa51b62a4f 100644
--- a/drivers/net/netxen/netxen_nic_phan_reg.h
+++ b/drivers/net/netxen/netxen_nic_phan_reg.h
@@ -42,8 +42,11 @@
 #define CRB_CMD_CONSUMER_OFFSET     NETXEN_NIC_REG(0x0c)
 #define CRB_PAUSE_ADDR_LO           NETXEN_NIC_REG(0x10)        /* C0 EPG BUG  */
 #define CRB_PAUSE_ADDR_HI           NETXEN_NIC_REG(0x14)
-#define CRB_HOST_CMD_ADDR_HI        NETXEN_NIC_REG(0x18)        /* host add:cmd ring */
-#define CRB_HOST_CMD_ADDR_LO        NETXEN_NIC_REG(0x1c)
+#define NX_CDRP_CRB_OFFSET          NETXEN_NIC_REG(0x18)
+#define NX_ARG1_CRB_OFFSET          NETXEN_NIC_REG(0x1c)
+#define NX_ARG2_CRB_OFFSET          NETXEN_NIC_REG(0x20)
+#define NX_ARG3_CRB_OFFSET          NETXEN_NIC_REG(0x24)
+#define NX_SIGN_CRB_OFFSET          NETXEN_NIC_REG(0x28)
 #define CRB_CMD_INTR_LOOP           NETXEN_NIC_REG(0x20)        /* 4 regs for perf */
 #define CRB_CMD_DMA_LOOP            NETXEN_NIC_REG(0x24)
 #define CRB_RCV_INTR_LOOP           NETXEN_NIC_REG(0x28)
@@ -73,8 +76,8 @@
 #define CRB_RX_LRO_MID_TIMER        NETXEN_NIC_REG(0x88)
 #define CRB_DMA_MAX_RCV_BUFS        NETXEN_NIC_REG(0x8c)
 #define CRB_MAX_DMA_ENTRIES         NETXEN_NIC_REG(0x90)
-#define CRB_XG_STATE                NETXEN_NIC_REG(0x94)        /* XG Link status */
-#define CRB_AGENT_GO                NETXEN_NIC_REG(0x98)        /* NIC pkt gen agent */
+#define CRB_XG_STATE                NETXEN_NIC_REG(0x94) /* XG Link status */
+#define CRB_XG_STATE_P3             NETXEN_NIC_REG(0x98) /* XG PF Link status */
 #define CRB_AGENT_TX_SIZE           NETXEN_NIC_REG(0x9c)
 #define CRB_AGENT_TX_TYPE           NETXEN_NIC_REG(0xa0)
 #define CRB_AGENT_TX_ADDR           NETXEN_NIC_REG(0xa4)
@@ -97,7 +100,9 @@
 #define CRB_HOST_BUFFER_CONS        NETXEN_NIC_REG(0xf0)
 #define CRB_JUMBO_BUFFER_PROD       NETXEN_NIC_REG(0xf4)
 #define CRB_JUMBO_BUFFER_CONS       NETXEN_NIC_REG(0xf8)
+#define CRB_HOST_DUMMY_BUF          NETXEN_NIC_REG(0xfc)
 
+#define CRB_RCVPEG_STATE            NETXEN_NIC_REG(0x13c)
 #define CRB_CMD_PRODUCER_OFFSET_1   NETXEN_NIC_REG(0x1ac)
 #define CRB_CMD_CONSUMER_OFFSET_1   NETXEN_NIC_REG(0x1b0)
 #define CRB_CMD_PRODUCER_OFFSET_2   NETXEN_NIC_REG(0x1b8)
@@ -147,29 +152,15 @@
 #define nx_get_temp_state(x)            ((x) & 0xffff)
 #define nx_encode_temp(val, state)      (((val) << 16) | (state))
 
-/* CRB registers per Rcv Descriptor ring */
-struct netxen_rcv_desc_crb {
-        u32 crb_rcv_producer_offset __attribute__ ((aligned(512)));
-        u32 crb_rcv_consumer_offset;
-        u32 crb_globalrcv_ring;
-        u32 crb_rcv_ring_size;
-};
-
 /*
  * CRB registers used by the receive peg logic.
  */
 
 struct netxen_recv_crb {
-        struct netxen_rcv_desc_crb rcv_desc_crb[NUM_RCV_DESC_RINGS];
-        u32 crb_rcvstatus_ring;
-        u32 crb_rcv_status_producer;
-        u32 crb_rcv_status_consumer;
-        u32 crb_rcvpeg_state;
-        u32 crb_status_ring_size;
+        u32 crb_rcv_producer[NUM_RCV_DESC_RINGS];
+        u32 crb_sts_consumer;
 };
 
-extern struct netxen_recv_crb recv_crb_registers[];
-
 /*
  * Temperature control.
  */