From: Yuval Mintz <Yuval.Mintz-YGCgFSpz5w/QT0dZR+AlfA@public.gmane.org> To: davem-fT/PcQaiUtIeIZ0/mPfg9Q@public.gmane.org, netdev-u79uwXL29TY76Z2rM5mHXA@public.gmane.org Cc: linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, Ram.Amrani-YGCgFSpz5w/QT0dZR+AlfA@public.gmane.org, Yuval Mintz <Yuval.Mintz-YGCgFSpz5w/QT0dZR+AlfA@public.gmane.org> Subject: [PATCH net 3/3] qed: Don't free a QP more than once Date: Tue, 24 Jan 2017 23:15:23 +0200 [thread overview] Message-ID: <1485292523-8821-4-git-send-email-Yuval.Mintz@cavium.com> (raw) In-Reply-To: <1485292523-8821-1-git-send-email-Yuval.Mintz-YGCgFSpz5w/QT0dZR+AlfA@public.gmane.org> From: Ram Amrani <Ram.Amrani-YGCgFSpz5w/QT0dZR+AlfA@public.gmane.org> If QP is in reset state then there are no resources to free so avoid freeing any. Signed-off-by: Ram Amrani <Ram.Amrani-YGCgFSpz5w/QT0dZR+AlfA@public.gmane.org> Signed-off-by: Yuval Mintz <Yuval.Mintz-YGCgFSpz5w/QT0dZR+AlfA@public.gmane.org> --- drivers/net/ethernet/qlogic/qed/qed_roce.c | 49 ++++++++++++++++-------------- 1 file changed, 27 insertions(+), 22 deletions(-) diff --git a/drivers/net/ethernet/qlogic/qed/qed_roce.c b/drivers/net/ethernet/qlogic/qed/qed_roce.c index 0846068..a074c76 100644 --- a/drivers/net/ethernet/qlogic/qed/qed_roce.c +++ b/drivers/net/ethernet/qlogic/qed/qed_roce.c @@ -1849,6 +1849,7 @@ static int qed_roce_query_qp(struct qed_hwfn *p_hwfn, static int qed_roce_destroy_qp(struct qed_hwfn *p_hwfn, struct qed_rdma_qp *qp) { + struct qed_rdma_info *p_rdma_info = p_hwfn->p_rdma_info; u32 num_invalidated_mw = 0; u32 num_bound_mw = 0; u32 start_cid; @@ -1863,35 +1864,39 @@ static int qed_roce_destroy_qp(struct qed_hwfn *p_hwfn, struct qed_rdma_qp *qp) return -EINVAL; } - rc = qed_roce_sp_destroy_qp_responder(p_hwfn, qp, &num_invalidated_mw); - if (rc) - return rc; + if (qp->cur_state != QED_ROCE_QP_STATE_RESET) { + rc = qed_roce_sp_destroy_qp_responder(p_hwfn, qp, + &num_invalidated_mw); + if (rc) + return rc; - /* Send destroy requester ramrod */ - rc = qed_roce_sp_destroy_qp_requester(p_hwfn, qp, &num_bound_mw); - if (rc) - return rc; + /* Send destroy requester ramrod */ + rc = qed_roce_sp_destroy_qp_requester(p_hwfn, qp, + &num_bound_mw); + if (rc) + return rc; - if (num_invalidated_mw != num_bound_mw) { - DP_NOTICE(p_hwfn, - "number of invalidate memory windows is different from bounded ones\n"); - return -EINVAL; - } + if (num_invalidated_mw != num_bound_mw) { + DP_NOTICE(p_hwfn, + "number of invalidate memory windows is different from bounded ones\n"); + return -EINVAL; + } - spin_lock_bh(&p_hwfn->p_rdma_info->lock); + spin_lock_bh(&p_rdma_info->lock); - start_cid = qed_cxt_get_proto_cid_start(p_hwfn, - p_hwfn->p_rdma_info->proto); + start_cid = qed_cxt_get_proto_cid_start(p_hwfn, + p_rdma_info->proto); - /* Release responder's icid */ - qed_bmap_release_id(p_hwfn, &p_hwfn->p_rdma_info->cid_map, - qp->icid - start_cid); + /* Release responder's icid */ + qed_bmap_release_id(p_hwfn, &p_rdma_info->cid_map, + qp->icid - start_cid); - /* Release requester's icid */ - qed_bmap_release_id(p_hwfn, &p_hwfn->p_rdma_info->cid_map, - qp->icid + 1 - start_cid); + /* Release requester's icid */ + qed_bmap_release_id(p_hwfn, &p_rdma_info->cid_map, + qp->icid + 1 - start_cid); - spin_unlock_bh(&p_hwfn->p_rdma_info->lock); + spin_unlock_bh(&p_rdma_info->lock); + } return 0; } -- 1.8.3.1 -- To unsubscribe from this list: send the line "unsubscribe linux-rdma" in the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org More majordomo info at http://vger.kernel.org/majordomo-info.html
WARNING: multiple messages have this Message-ID (diff)
From: Yuval Mintz <Yuval.Mintz-YGCgFSpz5w/QT0dZR+AlfA@public.gmane.org> To: <davem-fT/PcQaiUtIeIZ0/mPfg9Q@public.gmane.org>, <netdev-u79uwXL29TY76Z2rM5mHXA@public.gmane.org> Cc: <linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>, <Ram.Amrani-YGCgFSpz5w/QT0dZR+AlfA@public.gmane.org>, Yuval Mintz <Yuval.Mintz-YGCgFSpz5w/QT0dZR+AlfA@public.gmane.org> Subject: [PATCH net 3/3] qed: Don't free a QP more than once Date: Tue, 24 Jan 2017 23:15:23 +0200 [thread overview] Message-ID: <1485292523-8821-4-git-send-email-Yuval.Mintz@cavium.com> (raw) In-Reply-To: <1485292523-8821-1-git-send-email-Yuval.Mintz-YGCgFSpz5w/QT0dZR+AlfA@public.gmane.org> From: Ram Amrani <Ram.Amrani-YGCgFSpz5w/QT0dZR+AlfA@public.gmane.org> If QP is in reset state then there are no resources to free so avoid freeing any. Signed-off-by: Ram Amrani <Ram.Amrani-YGCgFSpz5w/QT0dZR+AlfA@public.gmane.org> Signed-off-by: Yuval Mintz <Yuval.Mintz-YGCgFSpz5w/QT0dZR+AlfA@public.gmane.org> --- drivers/net/ethernet/qlogic/qed/qed_roce.c | 49 ++++++++++++++++-------------- 1 file changed, 27 insertions(+), 22 deletions(-) diff --git a/drivers/net/ethernet/qlogic/qed/qed_roce.c b/drivers/net/ethernet/qlogic/qed/qed_roce.c index 0846068..a074c76 100644 --- a/drivers/net/ethernet/qlogic/qed/qed_roce.c +++ b/drivers/net/ethernet/qlogic/qed/qed_roce.c @@ -1849,6 +1849,7 @@ static int qed_roce_query_qp(struct qed_hwfn *p_hwfn, static int qed_roce_destroy_qp(struct qed_hwfn *p_hwfn, struct qed_rdma_qp *qp) { + struct qed_rdma_info *p_rdma_info = p_hwfn->p_rdma_info; u32 num_invalidated_mw = 0; u32 num_bound_mw = 0; u32 start_cid; @@ -1863,35 +1864,39 @@ static int qed_roce_destroy_qp(struct qed_hwfn *p_hwfn, struct qed_rdma_qp *qp) return -EINVAL; } - rc = qed_roce_sp_destroy_qp_responder(p_hwfn, qp, &num_invalidated_mw); - if (rc) - return rc; + if (qp->cur_state != QED_ROCE_QP_STATE_RESET) { + rc = qed_roce_sp_destroy_qp_responder(p_hwfn, qp, + &num_invalidated_mw); + if (rc) + return rc; - /* Send destroy requester ramrod */ - rc = qed_roce_sp_destroy_qp_requester(p_hwfn, qp, &num_bound_mw); - if (rc) - return rc; + /* Send destroy requester ramrod */ + rc = qed_roce_sp_destroy_qp_requester(p_hwfn, qp, + &num_bound_mw); + if (rc) + return rc; - if (num_invalidated_mw != num_bound_mw) { - DP_NOTICE(p_hwfn, - "number of invalidate memory windows is different from bounded ones\n"); - return -EINVAL; - } + if (num_invalidated_mw != num_bound_mw) { + DP_NOTICE(p_hwfn, + "number of invalidate memory windows is different from bounded ones\n"); + return -EINVAL; + } - spin_lock_bh(&p_hwfn->p_rdma_info->lock); + spin_lock_bh(&p_rdma_info->lock); - start_cid = qed_cxt_get_proto_cid_start(p_hwfn, - p_hwfn->p_rdma_info->proto); + start_cid = qed_cxt_get_proto_cid_start(p_hwfn, + p_rdma_info->proto); - /* Release responder's icid */ - qed_bmap_release_id(p_hwfn, &p_hwfn->p_rdma_info->cid_map, - qp->icid - start_cid); + /* Release responder's icid */ + qed_bmap_release_id(p_hwfn, &p_rdma_info->cid_map, + qp->icid - start_cid); - /* Release requester's icid */ - qed_bmap_release_id(p_hwfn, &p_hwfn->p_rdma_info->cid_map, - qp->icid + 1 - start_cid); + /* Release requester's icid */ + qed_bmap_release_id(p_hwfn, &p_rdma_info->cid_map, + qp->icid + 1 - start_cid); - spin_unlock_bh(&p_hwfn->p_rdma_info->lock); + spin_unlock_bh(&p_rdma_info->lock); + } return 0; } -- 1.8.3.1 -- To unsubscribe from this list: send the line "unsubscribe linux-rdma" in the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org More majordomo info at http://vger.kernel.org/majordomo-info.html
next prev parent reply other threads:[~2017-01-24 21:15 UTC|newest] Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top 2017-01-24 21:15 [PATCH net 0/3] qed: RoCE infrastrucutre fixes Yuval Mintz 2017-01-24 21:15 ` Yuval Mintz 2017-01-24 21:15 ` [PATCH net 1/3] qed: Release CQ resource under lock on failure Yuval Mintz 2017-01-24 21:15 ` Yuval Mintz [not found] ` <1485292523-8821-2-git-send-email-Yuval.Mintz-YGCgFSpz5w/QT0dZR+AlfA@public.gmane.org> 2017-01-25 7:24 ` Yuval Shaia 2017-01-26 11:43 ` Amrani, Ram 2017-02-16 9:19 ` Amrani, Ram 2017-01-24 21:15 ` [PATCH net 2/3] qed: Read queue state before releasing buffer Yuval Mintz 2017-01-24 21:15 ` Yuval Mintz [not found] ` <1485292523-8821-1-git-send-email-Yuval.Mintz-YGCgFSpz5w/QT0dZR+AlfA@public.gmane.org> 2017-01-24 21:15 ` Yuval Mintz [this message] 2017-01-24 21:15 ` [PATCH net 3/3] qed: Don't free a QP more than once Yuval Mintz
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