diff options
Diffstat (limited to 'drivers/infiniband/hw/ipath/ipath_ud.c')
| -rw-r--r-- | drivers/infiniband/hw/ipath/ipath_ud.c | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/drivers/infiniband/hw/ipath/ipath_ud.c b/drivers/infiniband/hw/ipath/ipath_ud.c index 3b6d00b9b8b..4b0502907f3 100644 --- a/drivers/infiniband/hw/ipath/ipath_ud.c +++ b/drivers/infiniband/hw/ipath/ipath_ud.c @@ -560,7 +560,16 @@ void ipath_ud_rcv(struct ipath_ibdev *dev, struct ipath_ib_header *hdr, spin_lock_irqsave(&rq->lock, flags); if (rq->tail == rq->head) { spin_unlock_irqrestore(&rq->lock, flags); - dev->n_pkt_drops++; + /* + * Count VL15 packets dropped due to no receive buffer. + * Otherwise, count them as buffer overruns since usually, + * the HW will be able to receive packets even if there are + * no QPs with posted receive buffers. + */ + if (qp->ibqp.qp_num == 0) + dev->n_vl15_dropped++; + else + dev->rcv_errors++; goto bail; } /* Silently drop packets which are too big. */ |