From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Michael Chan" Subject: [PATCH 2/5] bnx2: Dump some state during tx timeout. Date: Thu, 3 Dec 2009 11:46:32 -0800 Message-ID: <1259869595-6450-2-git-send-email-mchan@broadcom.com> References: <1259869595-6450-1-git-send-email-mchan@broadcom.com> Mime-Version: 1.0 Content-Type: text/plain Content-Transfer-Encoding: 7bit Cc: netdev@vger.kernel.org To: davem@davemloft.net Return-path: Received: from mms3.broadcom.com ([216.31.210.19]:3519 "EHLO MMS3.broadcom.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756052AbZLCTja (ORCPT ); Thu, 3 Dec 2009 14:39:30 -0500 In-Reply-To: <1259869595-6450-1-git-send-email-mchan@broadcom.com> Sender: netdev-owner@vger.kernel.org List-ID: To help debug the problem. Signed-off-by: Michael Chan Signed-off-by: Benjamin Li --- drivers/net/bnx2.c | 23 +++++++++++++++++++++++ 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 03eb51f..665253a 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 4908b9f..939dc44 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 -- 1.6.4.GIT