Linux-2.6.12-rc2v2.6.12-rc2

Initial git repository build. I'm not bothering with the full history,
even though we have it. We can create a separate "historical" git
archive of that later if we want to, and in the meantime it's about
3.2GB when imported into git - space that would just make the early
git days unnecessarily complicated, when we don't have a lot of good
infrastructure for it.

Let it rip!

1 files changed, 321 insertions, 0 deletions

diff --git a/drivers/s390/net/lcs.h b/drivers/s390/net/lcs.h
new file mode 100644
index 000000000000..a7f348ef1b08
--- /dev/null
+++ b/drivers/s390/net/lcs.h
@@ -0,0 +1,321 @@
+/*lcs.h*/
+
+#include <linux/interrupt.h>
+#include <linux/netdevice.h>
+#include <linux/skbuff.h>
+#include <linux/workqueue.h>
+#include <asm/ccwdev.h>
+
+#define VERSION_LCS_H "$Revision: 1.19 $"
+
+#define LCS_DBF_TEXT(level, name, text) \
+        do { \
+                debug_text_event(lcs_dbf_##name, level, text); \
+        } while (0)
+
+#define LCS_DBF_HEX(level,name,addr,len) \
+do { \
+        debug_event(lcs_dbf_##name,level,(void*)(addr),len); \
+} while (0)
+
+#define LCS_DBF_TEXT_(level,name,text...) \
+do {                                       \
+        sprintf(debug_buffer, text);  \
+                debug_text_event(lcs_dbf_##name,level, debug_buffer);\
+} while (0)
+
+/**
+ * some more definitions for debug or output stuff
+ */
+#define PRINTK_HEADER           " lcs: "
+
+/**
+ *      sysfs related stuff
+ */
+#define CARD_FROM_DEV(cdev) \
+        (struct lcs_card *) \
+        ((struct ccwgroup_device *)cdev->dev.driver_data)->dev.driver_data;
+/**
+ * CCW commands used in this driver
+ */
+#define LCS_CCW_WRITE           0x01
+#define LCS_CCW_READ            0x02
+#define LCS_CCW_TRANSFER        0x08
+
+/**
+ * LCS device status primitives
+ */
+#define LCS_CMD_STARTLAN        0x01
+#define LCS_CMD_STOPLAN         0x02
+#define LCS_CMD_LANSTAT         0x04
+#define LCS_CMD_STARTUP         0x07
+#define LCS_CMD_SHUTDOWN        0x08
+#define LCS_CMD_QIPASSIST       0xb2
+#define LCS_CMD_SETIPM          0xb4
+#define LCS_CMD_DELIPM          0xb5
+
+#define LCS_INITIATOR_TCPIP     0x00
+#define LCS_INITIATOR_LGW       0x01
+#define LCS_STD_CMD_SIZE        16
+#define LCS_MULTICAST_CMD_SIZE  404
+
+/**
+ * LCS IPASSIST MASKS,only used when multicast is switched on
+ */
+/* Not supported by LCS */
+#define LCS_IPASS_ARP_PROCESSING        0x0001
+#define LCS_IPASS_IN_CHECKSUM_SUPPORT   0x0002
+#define LCS_IPASS_OUT_CHECKSUM_SUPPORT  0x0004
+#define LCS_IPASS_IP_FRAG_REASSEMBLY    0x0008
+#define LCS_IPASS_IP_FILTERING          0x0010
+/* Supported by lcs 3172 */
+#define LCS_IPASS_IPV6_SUPPORT          0x0020
+#define LCS_IPASS_MULTICAST_SUPPORT     0x0040
+
+/**
+ * LCS sense byte definitions
+ */
+#define LCS_SENSE_INTERFACE_DISCONNECT  0x01
+#define LCS_SENSE_EQUIPMENT_CHECK       0x10
+#define LCS_SENSE_BUS_OUT_CHECK         0x20
+#define LCS_SENSE_INTERVENTION_REQUIRED 0x40
+#define LCS_SENSE_CMD_REJECT            0x80
+#define LCS_SENSE_RESETTING_EVENT       0x0080
+#define LCS_SENSE_DEVICE_ONLINE         0x0020
+
+/**
+ * LCS packet type definitions
+ */
+#define LCS_FRAME_TYPE_CONTROL          0
+#define LCS_FRAME_TYPE_ENET             1
+#define LCS_FRAME_TYPE_TR               2
+#define LCS_FRAME_TYPE_FDDI             7
+#define LCS_FRAME_TYPE_AUTO             -1
+
+/**
+ * some more definitions,we will sort them later
+ */
+#define LCS_ILLEGAL_OFFSET              0xffff
+#define LCS_IOBUFFERSIZE                0x5000
+#define LCS_NUM_BUFFS                   8       /* needs to be power of 2 */
+#define LCS_MAC_LENGTH                  6
+#define LCS_INVALID_PORT_NO             -1
+#define LCS_LANCMD_TIMEOUT_DEFAULT      5
+
+/**
+ * Multicast state
+ */
+#define  LCS_IPM_STATE_SET_REQUIRED     0
+#define  LCS_IPM_STATE_DEL_REQUIRED     1
+#define  LCS_IPM_STATE_ON_CARD          2
+
+/**
+ * LCS IP Assist declarations
+ * seems to be only used for multicast
+ */
+#define  LCS_IPASS_ARP_PROCESSING       0x0001
+#define  LCS_IPASS_INBOUND_CSUM_SUPP    0x0002
+#define  LCS_IPASS_OUTBOUND_CSUM_SUPP   0x0004
+#define  LCS_IPASS_IP_FRAG_REASSEMBLY   0x0008
+#define  LCS_IPASS_IP_FILTERING         0x0010
+#define  LCS_IPASS_IPV6_SUPPORT         0x0020
+#define  LCS_IPASS_MULTICAST_SUPPORT    0x0040
+
+/**
+ * LCS Buffer states
+ */
+enum lcs_buffer_states {
+        BUF_STATE_EMPTY,        /* buffer is empty */
+        BUF_STATE_LOCKED,       /* buffer is locked, don't touch */
+        BUF_STATE_READY,        /* buffer is ready for read/write */
+        BUF_STATE_PROCESSED,
+};
+
+/**
+ * LCS Channel State Machine declarations
+ */
+enum lcs_channel_states {
+        CH_STATE_INIT,
+        CH_STATE_HALTED,
+        CH_STATE_STOPPED,
+        CH_STATE_RUNNING,
+        CH_STATE_SUSPENDED,
+        CH_STATE_CLEARED,
+};
+
+/**
+ * LCS device state machine
+ */
+enum lcs_dev_states {
+        DEV_STATE_DOWN,
+        DEV_STATE_UP,
+        DEV_STATE_RECOVER,
+};
+
+enum lcs_threads {
+        LCS_SET_MC_THREAD       = 1,
+        LCS_STARTLAN_THREAD     = 2,
+        LCS_STOPLAN_THREAD      = 4,
+        LCS_STARTUP_THREAD      = 8,
+};
+/**
+ * LCS struct declarations
+ */
+struct lcs_header {
+        __u16  offset;
+        __u8   type;
+        __u8   slot;
+}  __attribute__ ((packed));
+
+struct lcs_ip_mac_pair {
+        __u32  ip_addr;
+        __u8   mac_addr[LCS_MAC_LENGTH];
+        __u8   reserved[2];
+}  __attribute__ ((packed));
+
+struct lcs_ipm_list {
+        struct list_head list;
+        struct lcs_ip_mac_pair ipm;
+        __u8 ipm_state;
+};
+
+struct lcs_cmd {
+        __u16  offset;
+        __u8   type;
+        __u8   slot;
+        __u8   cmd_code;
+        __u8   initiator;
+        __u16  sequence_no;
+        __u16  return_code;
+        union {
+                struct {
+                        __u8   lan_type;
+                        __u8   portno;
+                        __u16  parameter_count;
+                        __u8   operator_flags[3];
+                        __u8   reserved[3];
+                } lcs_std_cmd;
+                struct {
+                        __u16  unused1;
+                        __u16  buff_size;
+                        __u8   unused2[6];
+                } lcs_startup;
+                struct {
+                        __u8   lan_type;
+                        __u8   portno;
+                        __u8   unused[10];
+                        __u8   mac_addr[LCS_MAC_LENGTH];
+                        __u32  num_packets_deblocked;
+                        __u32  num_packets_blocked;
+                        __u32  num_packets_tx_on_lan;
+                        __u32  num_tx_errors_detected;
+                        __u32  num_tx_packets_disgarded;
+                        __u32  num_packets_rx_from_lan;
+                        __u32  num_rx_errors_detected;
+                        __u32  num_rx_discarded_nobuffs_avail;
+                        __u32  num_rx_packets_too_large;
+                } lcs_lanstat_cmd;
+#ifdef CONFIG_IP_MULTICAST
+                struct {
+                        __u8   lan_type;
+                        __u8   portno;
+                        __u16  num_ip_pairs;
+                        __u16  ip_assists_supported;
+                        __u16  ip_assists_enabled;
+                        __u16  version;
+                        struct {
+                                struct lcs_ip_mac_pair
+                                ip_mac_pair[32];
+                                __u32     response_data;
+                        } lcs_ipass_ctlmsg __attribute ((packed));
+                } lcs_qipassist __attribute__ ((packed));
+#endif /*CONFIG_IP_MULTICAST */
+        } cmd __attribute__ ((packed));
+}  __attribute__ ((packed));
+
+/**
+ * Forward declarations.
+ */
+struct lcs_card;
+struct lcs_channel;
+
+/**
+ * Definition of an lcs buffer.
+ */
+struct lcs_buffer {
+        enum lcs_buffer_states state;
+        void *data;
+        int count;
+        /* Callback for completion notification. */
+        void (*callback)(struct lcs_channel *, struct lcs_buffer *);
+};
+
+struct lcs_reply {
+        struct list_head list;
+        __u16 sequence_no;
+        atomic_t refcnt;
+        /* Callback for completion notification. */
+        void (*callback)(struct lcs_card *, struct lcs_cmd *);
+        wait_queue_head_t wait_q;
+        struct lcs_card *card;
+        int received;
+        int rc;
+};
+
+/**
+ * Definition of an lcs channel
+ */
+struct lcs_channel {
+        enum lcs_channel_states state;
+        struct ccw_device *ccwdev;
+        struct ccw1 ccws[LCS_NUM_BUFFS + 1];
+        wait_queue_head_t wait_q;
+        struct tasklet_struct irq_tasklet;
+        struct lcs_buffer iob[LCS_NUM_BUFFS];
+        int io_idx;
+        int buf_idx;
+};
+
+
+/**
+ * definition of the lcs card
+ */
+struct lcs_card {
+        spinlock_t lock;
+        spinlock_t ipm_lock;
+        enum lcs_dev_states state;
+        struct net_device *dev;
+        struct net_device_stats stats;
+        unsigned short (*lan_type_trans)(struct sk_buff *skb,
+                                         struct net_device *dev);
+        struct lcs_channel read;
+        struct lcs_channel write;
+        struct lcs_buffer *tx_buffer;
+        int tx_emitted;
+        struct list_head lancmd_waiters;
+        int lancmd_timeout;
+
+        struct work_struct kernel_thread_starter;
+        spinlock_t mask_lock;
+        unsigned long thread_start_mask;
+        unsigned long thread_running_mask;
+        unsigned long thread_allowed_mask;
+        wait_queue_head_t wait_q;
+
+#ifdef CONFIG_IP_MULTICAST
+        struct list_head ipm_list;
+#endif
+        __u8 mac[LCS_MAC_LENGTH];
+        __u16 ip_assists_supported;
+        __u16 ip_assists_enabled;
+        __s8 lan_type;
+        __u32 pkt_seq;
+        __u16 sequence_no;
+        __s16 portno;
+        /* Some info copied from probeinfo */
+        u8 device_forced;
+        u8 max_port_no;
+        u8 hint_port_no;
+        s16 port_protocol_no;
+}  __attribute__ ((aligned(8)));
+