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qed: Skip DORQ attention handling during recovery

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The device recovery flow will reset the entire HW device, in that case
the DORQ HW block attention is redundant.

Signed-off-by: Ariel Elior <aelior@marvell.com>
Signed-off-by: Shai Malin <smalin@marvell.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Shai Malin 2021-08-01 13:26:38 +03:00 committed by David S. Miller
parent 995c3d49bd
commit cdc1d86866
1 changed files with 11 additions and 1 deletions

12
drivers/net/ethernet/qlogic/qed/qed_int.c

@ -464,12 +464,19 @@ static int qed_dorq_attn_int_sts(struct qed_hwfn *p_hwfn)
u32 int_sts, first_drop_reason, details, address, all_drops_reason;
struct qed_ptt *p_ptt = p_hwfn->p_dpc_ptt;
int_sts = qed_rd(p_hwfn, p_ptt, DORQ_REG_INT_STS);
if (int_sts == 0xdeadbeaf) {
DP_NOTICE(p_hwfn->cdev,
"DORQ is being reset, skipping int_sts handler\n");
return 0;
}
/* int_sts may be zero since all PFs were interrupted for doorbell
* overflow but another one already handled it. Can abort here. If
* This PF also requires overflow recovery we will be interrupted again.
* The masked almost full indication may also be set. Ignoring.
*/
int_sts = qed_rd(p_hwfn, p_ptt, DORQ_REG_INT_STS);
if (!(int_sts & ~DORQ_REG_INT_STS_DORQ_FIFO_AFULL))
return 0;
@ -528,6 +535,9 @@ static int qed_dorq_attn_int_sts(struct qed_hwfn *p_hwfn)
static int qed_dorq_attn_cb(struct qed_hwfn *p_hwfn)
{
if (p_hwfn->cdev->recov_in_prog)
return 0;
p_hwfn->db_recovery_info.dorq_attn = true;
qed_dorq_attn_overflow(p_hwfn);