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authorAndrew Boyer <andrew.boyer@dell.com>2016-12-22 16:54:36 +0300
committerDoug Ledford <dledford@redhat.com>2016-12-22 19:36:12 +0300
commit37b36193946e4fe7af2c3965e394eb311ab6601d (patch)
treed5f2f498c9f8dcb9d5981e8f8affa5def19490b4 /drivers/infiniband
parent74c3875c3d9aad356ae27fc4f4176d4dc89c457b (diff)
downloadlinux-37b36193946e4fe7af2c3965e394eb311ab6601d.tar.xz
IB/rxe: Use BTH_PSN_MASK when ACKing duplicate sends
Signed-off-by: Andrew Boyer <andrew.boyer@dell.com> Signed-off-by: Doug Ledford <dledford@redhat.com>
Diffstat (limited to 'drivers/infiniband')
-rw-r--r--drivers/infiniband/sw/rxe/rxe_resp.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/infiniband/sw/rxe/rxe_resp.c b/drivers/infiniband/sw/rxe/rxe_resp.c
index 7a36ec9dbc0c..3435efff8799 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) {