If application posts a 0 length packet, post send routine is skipping to increment the psn number. This will cause PSN number to go out of sync and eventually connection would terminate due to sequence error. post_send routine must increment the psn number by 1 even for zero length packets. Signed-off-by: Devesh Sharma <devesh.sharma@xxxxxxxxxxxx> --- providers/bnxt_re/verbs.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/providers/bnxt_re/verbs.c b/providers/bnxt_re/verbs.c index 4d9b044..9d4e02b 100644 --- a/providers/bnxt_re/verbs.c +++ b/providers/bnxt_re/verbs.c @@ -1048,6 +1048,8 @@ static void bnxt_re_fill_psns(struct bnxt_re_qp *qp, struct bnxt_re_psns *psns, pkt_cnt = (len / qp->mtu); if (len % qp->mtu) pkt_cnt++; + if (len == 0) + pkt_cnt = 1; nxt_psn = ((qp->sq_psn + pkt_cnt) & BNXT_RE_PSNS_NPSN_MASK); psns->flg_npsn = htole32(nxt_psn); qp->sq_psn = nxt_psn; -- 1.8.3.1 -- To unsubscribe from this list: send the line "unsubscribe linux-rdma" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
