Commit cdc1d868 authored by Shai Malin's avatar Shai Malin Committed by David S. Miller
Browse files

qed: Skip DORQ attention handling during recovery 



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

Signed-off-by: default avatarAriel Elior <aelior@marvell.com>
Signed-off-by: default avatarShai Malin <smalin@marvell.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 995c3d49

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

+11 −1
Original line number Diff line number Diff line
@@ -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);