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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>
This commit is contained in:
Andrew Boyer 2016-12-22 08:54:36 -05:00 committed by Doug Ledford
parent 74c3875c3d
commit 37b3619394
1 changed files with 2 additions and 1 deletions
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3
drivers/infiniband/sw/rxe/rxe_resp.c
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@ -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) {