diff --git a/drivers/infiniband/sw/rxe/rxe_comp.c b/drivers/infiniband/sw/rxe/rxe_comp.c index 83311dd07019..ed96441595d8 100644 --- a/drivers/infiniband/sw/rxe/rxe_comp.c +++ b/drivers/infiniband/sw/rxe/rxe_comp.c @@ -191,6 +191,7 @@ static inline void reset_retry_counters(struct rxe_qp *qp) { qp->comp.retry_cnt = qp->attr.retry_cnt; qp->comp.rnr_retry = qp->attr.rnr_retry; + qp->comp.started_retry = 0; } static inline enum comp_state check_psn(struct rxe_qp *qp, @@ -676,6 +677,20 @@ int rxe_completer(void *arg) goto exit; } + /* if we've started a retry, don't start another + * retry sequence, unless this is a timeout. + */ + if (qp->comp.started_retry && + !qp->comp.timeout_retry) { + if (pkt) { + rxe_drop_ref(pkt->qp); + kfree_skb(skb); + skb = NULL; + } + + goto done; + } + if (qp->comp.retry_cnt > 0) { if (qp->comp.retry_cnt != 7) qp->comp.retry_cnt--; @@ -692,6 +707,7 @@ int rxe_completer(void *arg) rxe_counter_inc(rxe, RXE_CNT_COMP_RETRY); qp->req.need_retry = 1; + qp->comp.started_retry = 1; rxe_run_task(&qp->req.task, 1); } @@ -701,7 +717,7 @@ int rxe_completer(void *arg) skb = NULL; } - goto exit; + goto done; } else { rxe_counter_inc(rxe, RXE_CNT_RETRY_EXCEEDED); diff --git a/drivers/infiniband/sw/rxe/rxe_verbs.h b/drivers/infiniband/sw/rxe/rxe_verbs.h index 979e987e3c46..82e670d6eeea 100644 --- a/drivers/infiniband/sw/rxe/rxe_verbs.h +++ b/drivers/infiniband/sw/rxe/rxe_verbs.h @@ -158,6 +158,7 @@ struct rxe_comp_info { int opcode; int timeout; int timeout_retry; + int started_retry; u32 retry_cnt; u32 rnr_retry; struct rxe_task task;