Linux RDMA and InfiniBand development
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From: Xiao Yang <yangx.jy@fujitsu.com>
To: <linux-rdma@vger.kernel.org>
Cc: <leon@kernel.org>, <jgg@ziepe.ca>, <rpearsonhpe@gmail.com>,
	<zyjzyj2000@gmail.com>, Xiao Yang <yangx.jy@fujitsu.com>
Subject: [PATCH] RDMA/rxe: Use correct ATOMIC Acknowledge opcode in BTH
Date: Tue, 5 Jul 2022 23:57:05 +0800	[thread overview]
Message-ID: <20220705155705.21094-1-yangx.jy@fujitsu.com> (raw)

When responder processed an Atomic requeset and got a NAK,
the opcode field in BTH should be ATOMIC Acknowledge instead
of Acknowledge.

Signed-off-by: Xiao Yang <yangx.jy@fujitsu.com>
---
 drivers/infiniband/sw/rxe/rxe_resp.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/infiniband/sw/rxe/rxe_resp.c b/drivers/infiniband/sw/rxe/rxe_resp.c
index 265e46fe050f..592d73c37d48 100644
--- a/drivers/infiniband/sw/rxe/rxe_resp.c
+++ b/drivers/infiniband/sw/rxe/rxe_resp.c
@@ -1080,10 +1080,10 @@ static enum resp_states acknowledge(struct rxe_qp *qp,
 	if (qp_type(qp) != IB_QPT_RC)
 		return RESPST_CLEANUP;
 
-	if (qp->resp.aeth_syndrome != AETH_ACK_UNLIMITED)
+	if (pkt->mask & RXE_ATOMIC_MASK)
+		send_atomic_ack(qp, qp->resp.aeth_syndrome, pkt->psn);
+	else if (qp->resp.aeth_syndrome != AETH_ACK_UNLIMITED)
 		send_ack(qp, qp->resp.aeth_syndrome, pkt->psn);
-	else if (pkt->mask & RXE_ATOMIC_MASK)
-		send_atomic_ack(qp, AETH_ACK_UNLIMITED, pkt->psn);
 	else if (bth_ack(pkt))
 		send_ack(qp, AETH_ACK_UNLIMITED, pkt->psn);
 
-- 
2.34.1




             reply	other threads:[~2022-07-05 15:57 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-07-05 15:57 Xiao Yang [this message]
2022-07-06 11:48 ` [PATCH] RDMA/rxe: Use correct ATOMIC Acknowledge opcode in BTH yangx.jy
2022-07-14 15:55 ` Bob Pearson

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