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path: root/drivers/net/bnx2x_main.c
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Diffstat (limited to 'drivers/net/bnx2x_main.c')
-rw-r--r--drivers/net/bnx2x_main.c95
1 files changed, 83 insertions, 12 deletions
diff --git a/drivers/net/bnx2x_main.c b/drivers/net/bnx2x_main.c
index a8eb3c4a47c8..fce745148ff9 100644
--- a/drivers/net/bnx2x_main.c
+++ b/drivers/net/bnx2x_main.c
@@ -59,8 +59,8 @@
#include "bnx2x.h"
#include "bnx2x_init.h"
-#define DRV_MODULE_VERSION "1.45.21"
-#define DRV_MODULE_RELDATE "2008/09/03"
+#define DRV_MODULE_VERSION "1.45.22"
+#define DRV_MODULE_RELDATE "2008/09/09"
#define BNX2X_BC_VER 0x040200
/* Time in jiffies before concluding the transmitter is hung */
@@ -649,15 +649,16 @@ static void bnx2x_int_disable(struct bnx2x *bp)
BNX2X_ERR("BUG! proper val not read from IGU!\n");
}
-static void bnx2x_int_disable_sync(struct bnx2x *bp)
+static void bnx2x_int_disable_sync(struct bnx2x *bp, int disable_hw)
{
int msix = (bp->flags & USING_MSIX_FLAG) ? 1 : 0;
int i;
/* disable interrupt handling */
atomic_inc(&bp->intr_sem);
- /* prevent the HW from sending interrupts */
- bnx2x_int_disable(bp);
+ if (disable_hw)
+ /* prevent the HW from sending interrupts */
+ bnx2x_int_disable(bp);
/* make sure all ISRs are done */
if (msix) {
@@ -6086,9 +6087,9 @@ static void bnx2x_netif_start(struct bnx2x *bp)
}
}
-static void bnx2x_netif_stop(struct bnx2x *bp)
+static void bnx2x_netif_stop(struct bnx2x *bp, int disable_hw)
{
- bnx2x_int_disable_sync(bp);
+ bnx2x_int_disable_sync(bp, disable_hw);
if (netif_running(bp->dev)) {
bnx2x_napi_disable(bp);
netif_tx_disable(bp->dev);
@@ -6475,7 +6476,7 @@ load_rings_free:
for_each_queue(bp, i)
bnx2x_free_rx_sge_range(bp, bp->fp + i, NUM_RX_SGE);
load_int_disable:
- bnx2x_int_disable_sync(bp);
+ bnx2x_int_disable_sync(bp, 1);
/* Release IRQs */
bnx2x_free_irq(bp);
load_error:
@@ -6650,7 +6651,7 @@ static int bnx2x_nic_unload(struct bnx2x *bp, int unload_mode)
bp->rx_mode = BNX2X_RX_MODE_NONE;
bnx2x_set_storm_rx_mode(bp);
- bnx2x_netif_stop(bp);
+ bnx2x_netif_stop(bp, 1);
if (!netif_running(bp->dev))
bnx2x_napi_disable(bp);
del_timer_sync(&bp->timer);
@@ -8791,7 +8792,7 @@ static int bnx2x_test_loopback(struct bnx2x *bp, u8 link_up)
if (!netif_running(bp->dev))
return BNX2X_LOOPBACK_FAILED;
- bnx2x_netif_stop(bp);
+ bnx2x_netif_stop(bp, 1);
if (bnx2x_run_loopback(bp, BNX2X_MAC_LOOPBACK, link_up)) {
DP(NETIF_MSG_PROBE, "MAC loopback failed\n");
@@ -10346,6 +10347,74 @@ static int bnx2x_resume(struct pci_dev *pdev)
return rc;
}
+static int bnx2x_eeh_nic_unload(struct bnx2x *bp)
+{
+ int i;
+
+ bp->state = BNX2X_STATE_ERROR;
+
+ bp->rx_mode = BNX2X_RX_MODE_NONE;
+
+ bnx2x_netif_stop(bp, 0);
+
+ del_timer_sync(&bp->timer);
+ bp->stats_state = STATS_STATE_DISABLED;
+ DP(BNX2X_MSG_STATS, "stats_state - DISABLED\n");
+
+ /* Release IRQs */
+ bnx2x_free_irq(bp);
+
+ if (CHIP_IS_E1(bp)) {
+ struct mac_configuration_cmd *config =
+ bnx2x_sp(bp, mcast_config);
+
+ for (i = 0; i < config->hdr.length_6b; i++)
+ CAM_INVALIDATE(config->config_table[i]);
+ }
+
+ /* Free SKBs, SGEs, TPA pool and driver internals */
+ bnx2x_free_skbs(bp);
+ for_each_queue(bp, i)
+ bnx2x_free_rx_sge_range(bp, bp->fp + i, NUM_RX_SGE);
+ bnx2x_free_mem(bp);
+
+ bp->state = BNX2X_STATE_CLOSED;
+
+ netif_carrier_off(bp->dev);
+
+ return 0;
+}
+
+static void bnx2x_eeh_recover(struct bnx2x *bp)
+{
+ u32 val;
+
+ mutex_init(&bp->port.phy_mutex);
+
+ bp->common.shmem_base = REG_RD(bp, MISC_REG_SHARED_MEM_ADDR);
+ bp->link_params.shmem_base = bp->common.shmem_base;
+ BNX2X_DEV_INFO("shmem offset is 0x%x\n", bp->common.shmem_base);
+
+ if (!bp->common.shmem_base ||
+ (bp->common.shmem_base < 0xA0000) ||
+ (bp->common.shmem_base >= 0xC0000)) {
+ BNX2X_DEV_INFO("MCP not active\n");
+ bp->flags |= NO_MCP_FLAG;
+ return;
+ }
+
+ val = SHMEM_RD(bp, validity_map[BP_PORT(bp)]);
+ if ((val & (SHR_MEM_VALIDITY_DEV_INFO | SHR_MEM_VALIDITY_MB))
+ != (SHR_MEM_VALIDITY_DEV_INFO | SHR_MEM_VALIDITY_MB))
+ BNX2X_ERR("BAD MCP validity signature\n");
+
+ if (!BP_NOMCP(bp)) {
+ bp->fw_seq = (SHMEM_RD(bp, func_mb[BP_FUNC(bp)].drv_mb_header)
+ & DRV_MSG_SEQ_NUMBER_MASK);
+ BNX2X_DEV_INFO("fw_seq 0x%08x\n", bp->fw_seq);
+ }
+}
+
/**
* bnx2x_io_error_detected - called when PCI error is detected
* @pdev: Pointer to PCI device
@@ -10365,7 +10434,7 @@ static pci_ers_result_t bnx2x_io_error_detected(struct pci_dev *pdev,
netif_device_detach(dev);
if (netif_running(dev))
- bnx2x_nic_unload(bp, UNLOAD_CLOSE);
+ bnx2x_eeh_nic_unload(bp);
pci_disable_device(pdev);
@@ -10420,8 +10489,10 @@ static void bnx2x_io_resume(struct pci_dev *pdev)
rtnl_lock();
+ bnx2x_eeh_recover(bp);
+
if (netif_running(dev))
- bnx2x_nic_load(bp, LOAD_OPEN);
+ bnx2x_nic_load(bp, LOAD_NORMAL);
netif_device_attach(dev);