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Commit f9bcd602 authored by Michal Kalderon's avatar Michal Kalderon Committed by David S. Miller
Browse files

qed: LL2 flush isles when connection is closed 



Driver should free all pending isles once it gets a FLUSH cqe from FW.
Part of iSCSI out of order flow.

Fixes: 1d6cff4f ("qed: Add iSCSI out of order packet handling")
Signed-off-by: default avatarAriel Elior <Ariel.Elior@cavium.com>
Signed-off-by: default avatarMichal Kalderon <Michal.Kalderon@cavium.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 5a4931ae

drivers/net/ethernet/qlogic/qed/qed_ll2.c

+26 −0
Original line number Diff line number Diff line
@@ -591,6 +591,27 @@ static void qed_ll2_rxq_flush(struct qed_hwfn *p_hwfn, u8 connection_handle) 
	}

}



static bool

qed_ll2_lb_rxq_handler_slowpath(struct qed_hwfn *p_hwfn,

				struct core_rx_slow_path_cqe *p_cqe)

{

	struct ooo_opaque *iscsi_ooo;

	u32 cid;



	if (p_cqe->ramrod_cmd_id != CORE_RAMROD_RX_QUEUE_FLUSH)

		return false;



	iscsi_ooo = (struct ooo_opaque *)&p_cqe->opaque_data;

	if (iscsi_ooo->ooo_opcode != TCP_EVENT_DELETE_ISLES)

		return false;



	/* Need to make a flush */

	cid = le32_to_cpu(iscsi_ooo->cid);

	qed_ooo_release_connection_isles(p_hwfn, p_hwfn->p_ooo_info, cid);



	return true;

}



static int qed_ll2_lb_rxq_handler(struct qed_hwfn *p_hwfn,

				  struct qed_ll2_info *p_ll2_conn)

{
@@ -617,6 +638,11 @@ static int qed_ll2_lb_rxq_handler(struct qed_hwfn *p_hwfn, 
		cq_old_idx = qed_chain_get_cons_idx(&p_rx->rcq_chain);

		cqe_type = cqe->rx_cqe_sp.type;



		if (cqe_type == CORE_RX_CQE_TYPE_SLOW_PATH)

			if (qed_ll2_lb_rxq_handler_slowpath(p_hwfn,

							    &cqe->rx_cqe_sp))

				continue;



		if (cqe_type != CORE_RX_CQE_TYPE_REGULAR) {

			DP_NOTICE(p_hwfn,

				  "Got a non-regular LB LL2 completion [type 0x%02x]\n",