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Commit 5471aed0 authored by Sritej Velaga's avatar Sritej Velaga Committed by David S. Miller
Browse files

netxen_nic: Error logging on firmware hang 



Log states of essential registers on firmware hang detection.

Signed-off-by: default avatarSritej Velaga <sritej.velaga@qlogic.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent db608c12

drivers/net/ethernet/qlogic/netxen/netxen_nic_hdr.h

+1 −0
Original line number Diff line number Diff line
@@ -969,6 +969,7 @@ enum { 
#define NX_RCODE_FATAL_ERROR		0x80000000

#define NX_FWERROR_PEGNUM(code)		((code) & 0xff)

#define NX_FWERROR_CODE(code)		((code >> 8) & 0xfffff)

#define NX_FWERROR_PEGSTAT1(code)	((code >> 8) & 0x1fffff)



#define FW_POLL_DELAY			(2 * HZ)

#define FW_FAIL_THRESH			3

drivers/net/ethernet/qlogic/netxen/netxen_nic_main.c

+19 −2
Original line number Diff line number Diff line
@@ -2596,6 +2596,7 @@ static int 
netxen_check_health(struct netxen_adapter *adapter)

{

	u32 state, heartbit;

	u32 peg_status;

	struct net_device *netdev = adapter->netdev;



	state = NXRD32(adapter, NX_CRB_DEV_STATE);
@@ -2642,8 +2643,24 @@ netxen_check_health(struct netxen_adapter *adapter) 


	clear_bit(__NX_FW_ATTACHED, &adapter->state);



	dev_info(&netdev->dev, "firmware hang detected\n");



	dev_err(&netdev->dev, "firmware hang detected\n");

	peg_status = NXRD32(adapter, NETXEN_PEG_HALT_STATUS1);

	dev_err(&adapter->pdev->dev, "Dumping hw/fw registers\n"

			"PEG_HALT_STATUS1: 0x%x, PEG_HALT_STATUS2: 0x%x,\n"

			"PEG_NET_0_PC: 0x%x, PEG_NET_1_PC: 0x%x,\n"

			"PEG_NET_2_PC: 0x%x, PEG_NET_3_PC: 0x%x,\n"

			"PEG_NET_4_PC: 0x%x\n",

			peg_status,

			NXRD32(adapter, NETXEN_PEG_HALT_STATUS2),

			NXRD32(adapter, NETXEN_CRB_PEG_NET_0 + 0x3c),

			NXRD32(adapter, NETXEN_CRB_PEG_NET_1 + 0x3c),

			NXRD32(adapter, NETXEN_CRB_PEG_NET_2 + 0x3c),

			NXRD32(adapter, NETXEN_CRB_PEG_NET_3 + 0x3c),

			NXRD32(adapter, NETXEN_CRB_PEG_NET_4 + 0x3c));

	if (NX_FWERROR_PEGSTAT1(peg_status) == 0x67)

		dev_err(&adapter->pdev->dev,

			"Firmware aborted with error code 0x00006700. "

				"Device is being reset.\n");

detach:

	if ((auto_fw_reset == AUTO_FW_RESET_ENABLED) &&

			!test_and_set_bit(__NX_RESETTING, &adapter->state))