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>
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20175c57f2
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@ -6278,11 +6278,34 @@ bnx2_reset_task(struct work_struct *work)
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rtnl_unlock();
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}
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static void
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bnx2_dump_state(struct bnx2 *bp)
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{
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struct net_device *dev = bp->dev;
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printk(KERN_ERR PFX "%s DEBUG: intr_sem[%x]\n", dev->name,
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atomic_read(&bp->intr_sem));
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printk(KERN_ERR PFX "%s DEBUG: EMAC_TX_STATUS[%08x] "
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"RPM_MGMT_PKT_CTRL[%08x]\n", dev->name,
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REG_RD(bp, BNX2_EMAC_TX_STATUS),
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REG_RD(bp, BNX2_RPM_MGMT_PKT_CTRL));
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printk(KERN_ERR PFX "%s DEBUG: MCP_STATE_P0[%08x] MCP_STATE_P1[%08x]\n",
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dev->name, bnx2_reg_rd_ind(bp, BNX2_MCP_STATE_P0),
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bnx2_reg_rd_ind(bp, BNX2_MCP_STATE_P1));
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printk(KERN_ERR PFX "%s DEBUG: HC_STATS_INTERRUPT_STATUS[%08x]\n",
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dev->name, REG_RD(bp, BNX2_HC_STATS_INTERRUPT_STATUS));
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if (bp->flags & BNX2_FLAG_USING_MSIX)
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printk(KERN_ERR PFX "%s DEBUG: PBA[%08x]\n", dev->name,
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REG_RD(bp, BNX2_PCI_GRC_WINDOW3_BASE));
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}
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static void
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bnx2_tx_timeout(struct net_device *dev)
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{
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struct bnx2 *bp = netdev_priv(dev);
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bnx2_dump_state(bp);
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/* This allows the netif to be shutdown gracefully before resetting */
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schedule_work(&bp->reset_task);
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}
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@ -6345,6 +6345,8 @@ struct l2_fhdr {
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#define BNX2_MCP_ROM 0x00150000
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#define BNX2_MCP_SCRATCH 0x00160000
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#define BNX2_MCP_STATE_P1 0x0016f9c8
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#define BNX2_MCP_STATE_P0 0x0016fdc8
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#define BNX2_SHM_HDR_SIGNATURE BNX2_MCP_SCRATCH
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#define BNX2_SHM_HDR_SIGNATURE_SIG_MASK 0xffff0000
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