From: Andrew Boyer <andrew.boyer-8PEkshWhKlo@public.gmane.org>
To: monis-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org,
yonatanc-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org,
linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
Cc: Andrew Boyer <andrew.boyer-8PEkshWhKlo@public.gmane.org>
Subject: [PATCH 1/3] IB/rxe: Use BTH_PSN_MASK when ACKing duplicate sends
Date: Thu, 22 Dec 2016 08:54:36 -0500 [thread overview]
Message-ID: <1482414878-6892-2-git-send-email-andrew.boyer@dell.com> (raw)
In-Reply-To: <1482414878-6892-1-git-send-email-andrew.boyer-8PEkshWhKlo@public.gmane.org>
Signed-off-by: Andrew Boyer <andrew.boyer-8PEkshWhKlo@public.gmane.org>
---
drivers/infiniband/sw/rxe/rxe_resp.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/infiniband/sw/rxe/rxe_resp.c b/drivers/infiniband/sw/rxe/rxe_resp.c
index 7a36ec9..3435eff 100644
--- a/drivers/infiniband/sw/rxe/rxe_resp.c
+++ b/drivers/infiniband/sw/rxe/rxe_resp.c
@@ -1070,12 +1070,13 @@ static enum resp_states duplicate_request(struct rxe_qp *qp,
struct rxe_pkt_info *pkt)
{
enum resp_states rc;
+ u32 prev_psn = (qp->resp.psn - 1) & BTH_PSN_MASK;
if (pkt->mask & RXE_SEND_MASK ||
pkt->mask & RXE_WRITE_MASK) {
/* SEND. Ack again and cleanup. C9-105. */
if (bth_ack(pkt))
- send_ack(qp, pkt, AETH_ACK_UNLIMITED, qp->resp.psn - 1);
+ send_ack(qp, pkt, AETH_ACK_UNLIMITED, prev_psn);
rc = RESPST_CLEANUP;
goto out;
} else if (pkt->mask & RXE_READ_MASK) {
--
1.8.3.1
--
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next prev parent reply other threads:[~2016-12-22 13:54 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-12-22 13:54 [PATCH 0/3] IB/rxe: Three small fixes Andrew Boyer
[not found] ` <1482414878-6892-1-git-send-email-andrew.boyer-8PEkshWhKlo@public.gmane.org>
2016-12-22 13:54 ` Andrew Boyer [this message]
2016-12-22 13:54 ` [PATCH 2/3] IB/rxe: Drop future atomic/read packets rather than retrying Andrew Boyer
2016-12-22 13:54 ` [PATCH 3/3] IB/rxe: Don't check for null ptr in send() Andrew Boyer
2016-12-22 16:41 ` [PATCH 0/3] IB/rxe: Three small fixes Doug Ledford
[not found] ` <9f5e0225-c53e-43e7-13b5-ae715f74b198-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2016-12-22 17:18 ` Leon Romanovsky
[not found] ` <20161222171833.GD18935-U/DQcQFIOTAAJjI8aNfphQ@public.gmane.org>
2016-12-22 18:33 ` Doug Ledford
[not found] ` <c8463d5a-f2ac-7474-93dd-42a2e263834d-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2016-12-22 19:05 ` Leon Romanovsky
[not found] ` <20161222190555.GE18935-U/DQcQFIOTAAJjI8aNfphQ@public.gmane.org>
2016-12-22 19:19 ` Doug Ledford
[not found] ` <2a4a2187-1ac8-e341-4ed9-257384ff2199-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2016-12-22 20:23 ` Leon Romanovsky
[not found] ` <20161222202316.GA14178-U/DQcQFIOTAAJjI8aNfphQ@public.gmane.org>
2016-12-22 21:39 ` Doug Ledford
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