IB/rxe: Add port protocol stats

[karo-tx-linux.git] / drivers / infiniband / sw / rxe / rxe_comp.c

diff --git a/drivers/infiniband/sw/rxe/rxe_comp.c b/drivers/infiniband/sw/rxe/rxe_comp.c
index 4cd55d5617f7399d1820ec334b2ea66db538ae27..9eb12c2e3c74cf69499124e21fcb1b4a8be4a40f 100644 (file)
--- a/drivers/infiniband/sw/rxe/rxe_comp.c
+++ b/drivers/infiniband/sw/rxe/rxe_comp.c
@@ -154,6 +154,8 @@ void rxe_comp_queue_pkt(struct rxe_dev *rxe, struct rxe_qp *qp,
        skb_queue_tail(&qp->resp_pkts, skb);
 
        must_sched = skb_queue_len(&qp->resp_pkts) > 1;
+       if (must_sched != 0)
+               rxe_counter_inc(rxe, RXE_CNT_COMPLETER_SCHED);
        rxe_run_task(&qp->comp.task, must_sched);
 }
 
@@ -236,6 +238,7 @@ static inline enum comp_state check_ack(struct rxe_qp *qp,
 {
        unsigned int mask = pkt->mask;
        u8 syn;
+       struct rxe_dev *rxe = to_rdev(qp->ibqp.device);
 
        /* Check the sequence only */
        switch (qp->comp.opcode) {
@@ -298,6 +301,7 @@ static inline enum comp_state check_ack(struct rxe_qp *qp,
                        return COMPST_WRITE_SEND;
 
                case AETH_RNR_NAK:
+                       rxe_counter_inc(rxe, RXE_CNT_RCV_RNR);
                        return COMPST_RNR_RETRY;
 
                case AETH_NAK:
@@ -307,6 +311,8 @@ static inline enum comp_state check_ack(struct rxe_qp *qp,
                                 * before
                                 */
                                if (psn_compare(pkt->psn, qp->comp.psn) > 0) {
+                                       rxe_counter_inc(rxe,
+                                                       RXE_CNT_RCV_SEQ_ERR);
                                        qp->comp.psn = pkt->psn;
                                        if (qp->req.wait_psn) {
                                                qp->req.wait_psn = 0;
@@ -534,6 +540,7 @@ static void rxe_drain_resp_pkts(struct rxe_qp *qp, bool notify)
 int rxe_completer(void *arg)
 {
        struct rxe_qp *qp = (struct rxe_qp *)arg;
+       struct rxe_dev *rxe = to_rdev(qp->ibqp.device);
        struct rxe_send_wqe *wqe = wqe;
        struct sk_buff *skb = NULL;
        struct rxe_pkt_info *pkt = NULL;
@@ -683,8 +690,10 @@ int rxe_completer(void *arg)
                                if (psn_compare(qp->req.psn,
                                                qp->comp.psn) > 0) {
                                        /* tell the requester to retry the
-                                        * send send queue next time around
+                                        * send queue next time around
                                         */
+                                       rxe_counter_inc(rxe,
+                                                       RXE_CNT_COMP_RETRY);
                                        qp->req.need_retry = 1;
                                        rxe_run_task(&qp->req.task, 1);
                                }
@@ -699,6 +708,7 @@ int rxe_completer(void *arg)
                                goto exit;
 
                        } else {
+                               rxe_counter_inc(rxe, RXE_CNT_RETRY_EXCEEDED);
                                wqe->status = IB_WC_RETRY_EXC_ERR;
                                state = COMPST_ERROR;
                        }
@@ -720,6 +730,8 @@ int rxe_completer(void *arg)
                                skb = NULL;
                                goto exit;
                        } else {
+                               rxe_counter_inc(rxe,
+                                               RXE_CNT_RNR_RETRY_EXCEEDED);
                                wqe->status = IB_WC_RNR_RETRY_EXC_ERR;
                                state = COMPST_ERROR;
                        }