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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: 1d6cff4fca ("qed: Add iSCSI out of order packet handling")
Signed-off-by: Ariel Elior <Ariel.Elior@cavium.com>
Signed-off-by: Michal Kalderon <Michal.Kalderon@cavium.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Michal Kalderon 2018-05-16 14:44:38 +03:00 committed by David S. Miller
parent 5a4931ae01
commit f9bcd60274
1 changed files with 26 additions and 0 deletions
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26
drivers/net/ethernet/qlogic/qed/qed_ll2.c
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@ -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",