diff options
| author | Michal Kalderon <Michal.Kalderon@cavium.com> | 2018-05-16 14:44:38 +0300 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2018-05-16 14:52:23 -0400 |
| commit | f9bcd60274a565751abef622f9018badd01a17c8 (patch) | |
| tree | 8f27054278d6688de17212b585e05630f4236ef8 /drivers | |
| parent | 5a4931ae0193f8a4a97e8260fd0df1d705d83299 (diff) | |
| download | linux-f9bcd60274a565751abef622f9018badd01a17c8.tar.gz | |
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: 1d6cff4fca4366 ("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>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/net/ethernet/qlogic/qed/qed_ll2.c | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/drivers/net/ethernet/qlogic/qed/qed_ll2.c b/drivers/net/ethernet/qlogic/qed/qed_ll2.c index 38502815d681..b5918bdabf23 100644 --- a/drivers/net/ethernet/qlogic/qed/qed_ll2.c +++ b/drivers/net/ethernet/qlogic/qed/qed_ll2.c @@ -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", |