[openib-general] [PATCH 24 of 53] ipath - count dropped VL15 packets
Bryan O'Sullivan
bos at pathscale.com
Fri May 12 16:43:09 PDT 2006
We need to count these for IB conformance.
Signed-off-by: Bryan O'Sullivan <bos at pathscale.com>
diff -r 8b882bb46a32 -r e468ad0bd83e drivers/infiniband/hw/ipath/ipath_mad.c
--- a/drivers/infiniband/hw/ipath/ipath_mad.c Fri May 12 15:55:28 2006 -0700
+++ b/drivers/infiniband/hw/ipath/ipath_mad.c Fri May 12 15:55:28 2006 -0700
@@ -646,6 +646,7 @@ struct ib_pma_portcounters {
#define IB_PMA_SEL_PORT_RCV_ERRORS __constant_htons(0x0008)
#define IB_PMA_SEL_PORT_RCV_REMPHYS_ERRORS __constant_htons(0x0010)
#define IB_PMA_SEL_PORT_XMIT_DISCARDS __constant_htons(0x0040)
+#define IB_PMA_SEL_PORT_VL15_DROPPED __constant_htons(0x0800)
#define IB_PMA_SEL_PORT_XMIT_DATA __constant_htons(0x1000)
#define IB_PMA_SEL_PORT_RCV_DATA __constant_htons(0x2000)
#define IB_PMA_SEL_PORT_XMIT_PACKETS __constant_htons(0x4000)
@@ -929,6 +930,10 @@ static int recv_pma_get_portcounters(str
else
p->port_xmit_discards =
cpu_to_be16((u16)cntrs.port_xmit_discards);
+ if (dev->n_vl15_dropped > 0xFFFFUL)
+ p->vl15_dropped = __constant_cpu_to_be16(0xFFFF);
+ else
+ p->vl15_dropped = cpu_to_be16((u16)dev->n_vl15_dropped);
if (cntrs.port_xmit_data > 0xFFFFFFFFUL)
p->port_xmit_data = __constant_cpu_to_be32(0xFFFFFFFF);
else
@@ -1022,6 +1027,9 @@ static int recv_pma_set_portcounters(str
if (p->counter_select & IB_PMA_SEL_PORT_XMIT_DISCARDS)
dev->n_port_xmit_discards = cntrs.port_xmit_discards;
+
+ if (p->counter_select & IB_PMA_SEL_PORT_VL15_DROPPED)
+ dev->n_vl15_dropped = 0;
if (p->counter_select & IB_PMA_SEL_PORT_XMIT_DATA)
dev->n_port_xmit_data = cntrs.port_xmit_data;
diff -r 8b882bb46a32 -r e468ad0bd83e drivers/infiniband/hw/ipath/ipath_ud.c
--- a/drivers/infiniband/hw/ipath/ipath_ud.c Fri May 12 15:55:28 2006 -0700
+++ b/drivers/infiniband/hw/ipath/ipath_ud.c Fri May 12 15:55:28 2006 -0700
@@ -554,7 +554,11 @@ void ipath_ud_rcv(struct ipath_ibdev *de
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 */
+ if (qp->ibqp.qp_num == 0)
+ dev->n_vl15_dropped++;
+ else
+ dev->n_pkt_drops++;
goto bail;
}
/* Silently drop packets which are too big. */
diff -r 8b882bb46a32 -r e468ad0bd83e drivers/infiniband/hw/ipath/ipath_verbs.h
--- a/drivers/infiniband/hw/ipath/ipath_verbs.h Fri May 12 15:55:28 2006 -0700
+++ b/drivers/infiniband/hw/ipath/ipath_verbs.h Fri May 12 15:55:28 2006 -0700
@@ -468,6 +468,7 @@ struct ipath_ibdev {
u32 n_other_naks;
u32 n_timeouts;
u32 n_pkt_drops;
+ u32 n_vl15_dropped;
u32 n_wqe_errs;
u32 n_rdma_dup_busy;
u32 n_piowait;
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