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bnxt_en: Abort waiting for firmware response if there is no heartbeat.

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This is especially beneficial during the NVRAM related firmware
commands that have longer timeouts.  If the BNXT_STATE_FW_FATAL_COND
flag gets set while waiting for firmware response, abort and return
error.

Signed-off-by: Pavan Chebbi <pavan.chebbi@broadcom.com>
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Pavan Chebbi 2019-11-18 03:56:43 -05:00 committed by David S. Miller
parent a2b31e27f6
commit 642aebdee4
1 changed files with 10 additions and 0 deletions
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10
drivers/net/ethernet/broadcom/bnxt/bnxt.c
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@ -4278,6 +4278,11 @@ static int bnxt_hwrm_do_send_msg(struct bnxt *bp, void *msg, u32 msg_len,
/* Wait until hwrm response cmpl interrupt is processed */
while (bp->hwrm_intr_seq_id != (u16)~seq_id &&
i++ < tmo_count) {
/* Abort the wait for completion if the FW health
* check has failed.
*/
if (test_bit(BNXT_STATE_FW_FATAL_COND, &bp->state))
return -EBUSY;
/* on first few passes, just barely sleep */
if (i < HWRM_SHORT_TIMEOUT_COUNTER)
usleep_range(HWRM_SHORT_MIN_TIMEOUT,
@ -4301,6 +4306,11 @@ static int bnxt_hwrm_do_send_msg(struct bnxt *bp, void *msg, u32 msg_len,
/* Check if response len is updated */
for (i = 0; i < tmo_count; i++) {
/* Abort the wait for completion if the FW health
* check has failed.
*/
if (test_bit(BNXT_STATE_FW_FATAL_COND, &bp->state))
return -EBUSY;
len = (le32_to_cpu(*resp_len) & HWRM_RESP_LEN_MASK) >>
HWRM_RESP_LEN_SFT;
if (len)