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[RFC,v2,5/9] RDMA/rxe: Set BTH's SE to zero for FLUSH packet

Message ID 20220125085041.49175-6-lizhijian@cn.fujitsu.com (mailing list archive)
State RFC
Headers show
Series RDMA/rxe: Add RDMA FLUSH operation | expand

Commit Message

Li Zhijian Jan. 25, 2022, 8:50 a.m. UTC
The SPEC says:
oA19-6: FLUSH BTH header field solicited event (SE) indication shall be
set to zero.

Signed-off-by: Li Zhijian <lizhijian@cn.fujitsu.com>
---
V2: said -> says
---
 drivers/infiniband/sw/rxe/rxe_req.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)
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Patch

diff --git a/drivers/infiniband/sw/rxe/rxe_req.c b/drivers/infiniband/sw/rxe/rxe_req.c
index 708138117136..363a33b905bf 100644
--- a/drivers/infiniband/sw/rxe/rxe_req.c
+++ b/drivers/infiniband/sw/rxe/rxe_req.c
@@ -401,7 +401,9 @@  static struct sk_buff *init_req_packet(struct rxe_qp *qp,
 			(pkt->mask & RXE_END_MASK) &&
 			((pkt->mask & (RXE_SEND_MASK)) ||
 			(pkt->mask & (RXE_WRITE_MASK | RXE_IMMDT_MASK)) ==
-			(RXE_WRITE_MASK | RXE_IMMDT_MASK));
+			(RXE_WRITE_MASK | RXE_IMMDT_MASK)) &&
+			/* oA19-6: always set SE to zero */
+			!(pkt->mask & RXE_FETH_MASK);
 
 	qp_num = (pkt->mask & RXE_DETH_MASK) ? ibwr->wr.ud.remote_qpn :
 					 qp->attr.dest_qp_num;