NetXen: Port swap feature for multi port cards

NetXen: Port Swap feature
This patch will allow a port numbers on the card to be swapped in
host driver. This feature is applicable to cards having more than
1 port.

Signed-off by: Milan Bag <mbag@netxen.com>
Signed-off by: Mithlesh Thukral <mithlesh@netxen.com>

Signed-off-by: Jeff Garzik <jeff@garzik.org>

1 files changed, 20 insertions, 1 deletions

diff --git a/drivers/net/netxen/netxen_nic.h b/drivers/net/netxen/netxen_nic.h
index 923ae6c029d6..1e944d5eb45b 100644
--- a/drivers/net/netxen/netxen_nic.h
+++ b/drivers/net/netxen/netxen_nic.h
@@ -205,6 +205,7 @@ enum {
 
 #define MAX_CMD_DESCRIPTORS             1024
 #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_JUMBO_RCV_DESCRIPTORS       1024
 #define MAX_LRO_RCV_DESCRIPTORS         64
@@ -303,6 +304,8 @@ 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))
 
 #define netxen_set_cmd_desc_flags(cmd_desc, val)        \
         ((cmd_desc)->flags_opcode &= ~cpu_to_le16(0x7f), \
@@ -445,7 +448,7 @@ struct status_desc {
         /* Bit pattern: 0-6 lro_count indicates frag sequence,
            7 last_frag indicates last frag */
         u8 lro;
-} __attribute__ ((aligned(8)));
+} __attribute__ ((aligned(16)));
 
 enum {
         NETXEN_RCV_PEG_0 = 0,
@@ -723,6 +726,18 @@ struct netxen_skb_frag {
         u32 length;
 };
 
+#define _netxen_set_bits(config_word, start, bits, val) {\
+        unsigned long long __tmask = (((1ULL << (bits)) - 1) << (start));\
+        unsigned long long __tvalue = (val);    \
+        (config_word) &= ~__tmask;      \
+        (config_word) |= (((__tvalue) << (start)) & __tmask); \
+}
+        
+#define _netxen_clear_bits(config_word, start, bits) {\
+        unsigned long long __tmask = (((1ULL << (bits)) - 1) << (start));  \
+        (config_word) &= ~__tmask; \
+}               
+
 /*    Following defines are for the state of the buffers    */
 #define NETXEN_BUFFER_FREE      0
 #define NETXEN_BUFFER_BUSY      1
@@ -767,6 +782,8 @@ struct netxen_hardware_context {
         void __iomem *pci_base0;
         void __iomem *pci_base1;
         void __iomem *pci_base2;
+        unsigned long first_page_group_end;
+        unsigned long first_page_group_start;
         void __iomem *db_base;
         unsigned long db_len;
 
@@ -862,6 +879,7 @@ struct netxen_adapter {
         struct netxen_adapter *master;
         struct net_device *netdev;
         struct pci_dev *pdev;
+        struct net_device_stats net_stats;
         unsigned char mac_addr[ETH_ALEN];
         int mtu;
         int portnum;
@@ -1152,4 +1170,5 @@ extern int netxen_rom_fast_read(struct netxen_adapter *adapter, int addr,
 
 extern struct ethtool_ops netxen_nic_ethtool_ops;
 
+extern int physical_port[];     /* physical port # from virtual port.*/
 #endif                          /* __NETXEN_NIC_H_ */