From mboxrd@z Thu Jan 1 00:00:00 1970 From: Andrew Boyer Subject: [PATCH 1/3] IB/rxe: Use BTH_PSN_MASK when ACKing duplicate sends Date: Thu, 22 Dec 2016 08:54:36 -0500 Message-ID: <1482414878-6892-2-git-send-email-andrew.boyer@dell.com> References: <1482414878-6892-1-git-send-email-andrew.boyer@dell.com> Return-path: In-Reply-To: <1482414878-6892-1-git-send-email-andrew.boyer-8PEkshWhKlo@public.gmane.org> Sender: linux-rdma-owner-u79uwXL29TY76Z2rM5mHXA@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 List-Id: linux-rdma@vger.kernel.org Signed-off-by: Andrew Boyer --- 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 -- 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