diff options
| author | Michael Chan <mchan@broadcom.com> | 2009-12-03 10:46:32 +0100 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2009-12-03 22:18:11 +0100 |
| commit | 20175c57f23cde2049c509eb00a2f9d373478107 (patch) | |
| tree | fb70e0bd2c5d7ac0ef657cbb0cee6acf0f6f064d | |
| parent | bnx2: Protect tx timeout reset with rtnl_lock(). (diff) | |
| download | linux-20175c57f23cde2049c509eb00a2f9d373478107.tar.xz linux-20175c57f23cde2049c509eb00a2f9d373478107.zip | |
bnx2: Dump some state during tx timeout.
To help debug the problem.
Signed-off-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: Benjamin Li <benli@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
| -rw-r--r-- | drivers/net/bnx2.c | 23 | ||||
| -rw-r--r-- | drivers/net/bnx2.h | 2 |
2 files changed, 25 insertions, 0 deletions
diff --git a/drivers/net/bnx2.c b/drivers/net/bnx2.c index 03eb51f1c694..665253a3e73a 100644 --- a/drivers/net/bnx2.c +++ b/drivers/net/bnx2.c @@ -6279,10 +6279,33 @@ bnx2_reset_task(struct work_struct *work) } static void +bnx2_dump_state(struct bnx2 *bp) +{ + struct net_device *dev = bp->dev; + + printk(KERN_ERR PFX "%s DEBUG: intr_sem[%x]\n", dev->name, + atomic_read(&bp->intr_sem)); + printk(KERN_ERR PFX "%s DEBUG: EMAC_TX_STATUS[%08x] " + "RPM_MGMT_PKT_CTRL[%08x]\n", dev->name, + REG_RD(bp, BNX2_EMAC_TX_STATUS), + REG_RD(bp, BNX2_RPM_MGMT_PKT_CTRL)); + printk(KERN_ERR PFX "%s DEBUG: MCP_STATE_P0[%08x] MCP_STATE_P1[%08x]\n", + dev->name, bnx2_reg_rd_ind(bp, BNX2_MCP_STATE_P0), + bnx2_reg_rd_ind(bp, BNX2_MCP_STATE_P1)); + printk(KERN_ERR PFX "%s DEBUG: HC_STATS_INTERRUPT_STATUS[%08x]\n", + dev->name, REG_RD(bp, BNX2_HC_STATS_INTERRUPT_STATUS)); + if (bp->flags & BNX2_FLAG_USING_MSIX) + printk(KERN_ERR PFX "%s DEBUG: PBA[%08x]\n", dev->name, + REG_RD(bp, BNX2_PCI_GRC_WINDOW3_BASE)); +} + +static void bnx2_tx_timeout(struct net_device *dev) { struct bnx2 *bp = netdev_priv(dev); + bnx2_dump_state(bp); + /* This allows the netif to be shutdown gracefully before resetting */ schedule_work(&bp->reset_task); } diff --git a/drivers/net/bnx2.h b/drivers/net/bnx2.h index 4908b9f74260..939dc44d50a0 100644 --- a/drivers/net/bnx2.h +++ b/drivers/net/bnx2.h @@ -6345,6 +6345,8 @@ struct l2_fhdr { #define BNX2_MCP_ROM 0x00150000 #define BNX2_MCP_SCRATCH 0x00160000 +#define BNX2_MCP_STATE_P1 0x0016f9c8 +#define BNX2_MCP_STATE_P0 0x0016fdc8 #define BNX2_SHM_HDR_SIGNATURE BNX2_MCP_SCRATCH #define BNX2_SHM_HDR_SIGNATURE_SIG_MASK 0xffff0000 |