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Merge branch 'for_paulus' of master.kernel.org:/pub/scm/linux/kernel/git/galak/powerpc
[cascardo/linux.git] / drivers / net / bnx2.c
diff --git a/drivers/net/bnx2.c b/drivers/net/bnx2.c
index 7d21370..5ca99e2 100644 (file)
--- a/drivers/net/bnx2.c
+++ b/drivers/net/bnx2.c
@@ -9,20 +9,61 @@
  * Written by: Michael Chan  (mchan@broadcom.com)
  */
 
+#include <linux/config.h>
+
+#include <linux/module.h>
+#include <linux/moduleparam.h>
+
+#include <linux/kernel.h>
+#include <linux/timer.h>
+#include <linux/errno.h>
+#include <linux/ioport.h>
+#include <linux/slab.h>
+#include <linux/vmalloc.h>
+#include <linux/interrupt.h>
+#include <linux/pci.h>
+#include <linux/init.h>
+#include <linux/netdevice.h>
+#include <linux/etherdevice.h>
+#include <linux/skbuff.h>
+#include <linux/dma-mapping.h>
+#include <asm/bitops.h>
+#include <asm/io.h>
+#include <asm/irq.h>
+#include <linux/delay.h>
+#include <asm/byteorder.h>
+#include <linux/time.h>
+#include <linux/ethtool.h>
+#include <linux/mii.h>
+#ifdef NETIF_F_HW_VLAN_TX
+#include <linux/if_vlan.h>
+#define BCM_VLAN 1
+#endif
+#ifdef NETIF_F_TSO
+#include <net/ip.h>
+#include <net/tcp.h>
+#include <net/checksum.h>
+#define BCM_TSO 1
+#endif
+#include <linux/workqueue.h>
+#include <linux/crc32.h>
+#include <linux/prefetch.h>
+#include <linux/cache.h>
+
 #include "bnx2.h"
 #include "bnx2_fw.h"
 
 #define DRV_MODULE_NAME                "bnx2"
 #define PFX DRV_MODULE_NAME    ": "
-#define DRV_MODULE_VERSION     "1.4.38"
-#define DRV_MODULE_RELDATE     "February 10, 2006"
+#define DRV_MODULE_VERSION     "1.4.39"
+#define DRV_MODULE_RELDATE     "March 22, 2006"
 
 #define RUN_AT(x) (jiffies + (x))
 
 /* Time in jiffies before concluding the transmitter is hung. */
 #define TX_TIMEOUT  (5*HZ)
 
-static char version[] __devinitdata =
+static const char version[] __devinitdata =
        "Broadcom NetXtreme II Gigabit Ethernet Driver " DRV_MODULE_NAME " v" DRV_MODULE_VERSION " (" DRV_MODULE_RELDATE ")\n";
 
 MODULE_AUTHOR("Michael Chan <mchan@broadcom.com>");
@@ -313,8 +354,6 @@ bnx2_disable_int(struct bnx2 *bp)
 static void
 bnx2_enable_int(struct bnx2 *bp)
 {
-       u32 val;
-
        REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD,
               BNX2_PCICFG_INT_ACK_CMD_INDEX_VALID |
               BNX2_PCICFG_INT_ACK_CMD_MASK_INT | bp->last_status_idx);
@@ -322,8 +361,7 @@ bnx2_enable_int(struct bnx2 *bp)
        REG_WR(bp, BNX2_PCICFG_INT_ACK_CMD,
               BNX2_PCICFG_INT_ACK_CMD_INDEX_VALID | bp->last_status_idx);
 
-       val = REG_RD(bp, BNX2_HC_COMMAND);
-       REG_WR(bp, BNX2_HC_COMMAND, val | BNX2_HC_COMMAND_COAL_NOW);
+       REG_WR(bp, BNX2_HC_COMMAND, bp->hc_cmd | BNX2_HC_COMMAND_COAL_NOW);
 }
 
 static void
@@ -362,15 +400,11 @@ bnx2_free_mem(struct bnx2 *bp)
 {
        int i;
 
-       if (bp->stats_blk) {
-               pci_free_consistent(bp->pdev, sizeof(struct statistics_block),
-                                   bp->stats_blk, bp->stats_blk_mapping);
-               bp->stats_blk = NULL;
-       }
        if (bp->status_blk) {
-               pci_free_consistent(bp->pdev, sizeof(struct status_block),
+               pci_free_consistent(bp->pdev, bp->status_stats_size,
                                    bp->status_blk, bp->status_blk_mapping);
                bp->status_blk = NULL;
+               bp->stats_blk = NULL;
        }
        if (bp->tx_desc_ring) {
                pci_free_consistent(bp->pdev,
@@ -395,14 +429,13 @@ bnx2_free_mem(struct bnx2 *bp)
 static int
 bnx2_alloc_mem(struct bnx2 *bp)
 {
-       int i;
+       int i, status_blk_size;
 
-       bp->tx_buf_ring = kmalloc(sizeof(struct sw_bd) * TX_DESC_CNT,
-                                    GFP_KERNEL);
+       bp->tx_buf_ring = kzalloc(sizeof(struct sw_bd) * TX_DESC_CNT,
+                                 GFP_KERNEL);
        if (bp->tx_buf_ring == NULL)
                return -ENOMEM;
 
-       memset(bp->tx_buf_ring, 0, sizeof(struct sw_bd) * TX_DESC_CNT);
        bp->tx_desc_ring = pci_alloc_consistent(bp->pdev,
                                                sizeof(struct tx_bd) *
                                                TX_DESC_CNT,
@@ -428,21 +461,22 @@ bnx2_alloc_mem(struct bnx2 *bp)
 
        }
 
-       bp->status_blk = pci_alloc_consistent(bp->pdev,
-                                             sizeof(struct status_block),
+       /* Combine status and statistics blocks into one allocation. */
+       status_blk_size = L1_CACHE_ALIGN(sizeof(struct status_block));
+       bp->status_stats_size = status_blk_size +
+                               sizeof(struct statistics_block);
+
+       bp->status_blk = pci_alloc_consistent(bp->pdev, bp->status_stats_size,
                                              &bp->status_blk_mapping);
        if (bp->status_blk == NULL)
                goto alloc_mem_err;
 
-       memset(bp->status_blk, 0, sizeof(struct status_block));
+       memset(bp->status_blk, 0, bp->status_stats_size);
 
-       bp->stats_blk = pci_alloc_consistent(bp->pdev,
-                                            sizeof(struct statistics_block),
-                                            &bp->stats_blk_mapping);
-       if (bp->stats_blk == NULL)
-               goto alloc_mem_err;
+       bp->stats_blk = (void *) ((unsigned long) bp->status_blk +
+                                 status_blk_size);
 
-       memset(bp->stats_blk, 0, sizeof(struct statistics_block));
+       bp->stats_blk_mapping = bp->status_blk_mapping + status_blk_size;
 
        return 0;
 
@@ -1926,6 +1960,13 @@ bnx2_poll(struct net_device *dev, int *budget)
                spin_lock(&bp->phy_lock);
                bnx2_phy_int(bp);
                spin_unlock(&bp->phy_lock);
+
+               /* This is needed to take care of transient status
+                * during link changes.
+                */
+               REG_WR(bp, BNX2_HC_COMMAND,
+                      bp->hc_cmd | BNX2_HC_COMMAND_COAL_NOW_WO_INT);
+               REG_RD(bp, BNX2_HC_COMMAND);
        }
 
        if (bp->status_blk->status_tx_quick_consumer_index0 != bp->hw_tx_cons)
@@ -3307,6 +3348,8 @@ bnx2_init_chip(struct bnx2 *bp)
 
        udelay(20);
 
+       bp->hc_cmd = REG_RD(bp, BNX2_HC_COMMAND);
+
        return rc;
 }
 
@@ -3746,7 +3789,6 @@ bnx2_run_loopback(struct bnx2 *bp, int loopback_mode)
        struct sk_buff *skb, *rx_skb;
        unsigned char *packet;
        u16 rx_start_idx, rx_idx;
-       u32 val;
        dma_addr_t map;
        struct tx_bd *txbd;
        struct sw_bd *rx_buf;
@@ -3777,8 +3819,9 @@ bnx2_run_loopback(struct bnx2 *bp, int loopback_mode)
        map = pci_map_single(bp->pdev, skb->data, pkt_size,
                PCI_DMA_TODEVICE);
 
-       val = REG_RD(bp, BNX2_HC_COMMAND);
-       REG_WR(bp, BNX2_HC_COMMAND, val | BNX2_HC_COMMAND_COAL_NOW_WO_INT);
+       REG_WR(bp, BNX2_HC_COMMAND,
+              bp->hc_cmd | BNX2_HC_COMMAND_COAL_NOW_WO_INT);
+
        REG_RD(bp, BNX2_HC_COMMAND);
 
        udelay(5);
@@ -3802,8 +3845,9 @@ bnx2_run_loopback(struct bnx2 *bp, int loopback_mode)
 
        udelay(100);
 
-       val = REG_RD(bp, BNX2_HC_COMMAND);
-       REG_WR(bp, BNX2_HC_COMMAND, val | BNX2_HC_COMMAND_COAL_NOW_WO_INT);
+       REG_WR(bp, BNX2_HC_COMMAND,
+              bp->hc_cmd | BNX2_HC_COMMAND_COAL_NOW_WO_INT);
+
        REG_RD(bp, BNX2_HC_COMMAND);
 
        udelay(5);
@@ -3939,7 +3983,6 @@ static int
 bnx2_test_intr(struct bnx2 *bp)
 {
        int i;
-       u32 val;
        u16 status_idx;
 
        if (!netif_running(bp->dev))
@@ -3948,8 +3991,7 @@ bnx2_test_intr(struct bnx2 *bp)
        status_idx = REG_RD(bp, BNX2_PCICFG_INT_ACK_CMD) & 0xffff;
 
        /* This register is not touched during run-time. */
-       val = REG_RD(bp, BNX2_HC_COMMAND);
-       REG_WR(bp, BNX2_HC_COMMAND, val | BNX2_HC_COMMAND_COAL_NOW);
+       REG_WR(bp, BNX2_HC_COMMAND, bp->hc_cmd | BNX2_HC_COMMAND_COAL_NOW);
        REG_RD(bp, BNX2_HC_COMMAND);
 
        for (i = 0; i < 10; i++) {
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