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From: "Bryan O'Sullivan" <bos@pathscale.com>
To: rdreier@cisco.com
Cc: openib-general@openib.org, linux-kernel@vger.kernel.org
Subject: [PATCH 24 of 53] ipath - count dropped VL15 packets
Date: Fri, 12 May 2006 16:43:09 -0700	[thread overview]
Message-ID: <e468ad0bd83e87fd2533.1147477389@eng-12.pathscale.com> (raw)
In-Reply-To: <patchbomb.1147477365@eng-12.pathscale.com>

We need to count these for IB conformance.

Signed-off-by: Bryan O'Sullivan <bos@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;

  parent reply	other threads:[~2006-05-12 23:58 UTC|newest]

Thread overview: 87+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2006-05-12 23:42 [PATCH 0 of 53] ipath driver updates for 2.6.17-rc4 Bryan O'Sullivan
2006-05-12 23:42 ` [PATCH 1 of 53] ipath - fix spinlock recursion bug Bryan O'Sullivan
2006-05-13  1:01   ` Joshua Hudson
2006-05-12 23:42 ` [PATCH 2 of 53] ipath - purge sps_lid and sps_mlid arrays, and /sys entries Bryan O'Sullivan
2006-05-12 23:42 ` [PATCH 3 of 53] ipath - report max MR and QP sizes based on table sizes Bryan O'Sullivan
2006-05-12 23:42 ` [PATCH 4 of 53] ipath - cap number of PDs that can be allocated Bryan O'Sullivan
2006-05-15 15:45   ` Roland Dreier
2006-05-15 21:06     ` Bryan O'Sullivan
2006-05-12 23:42 ` [PATCH 5 of 53] ipath - forbid creation of AHs with illegal ports Bryan O'Sullivan
2006-05-12 23:42 ` [PATCH 6 of 53] ipath - forbid creation of AH with DLID of 0 Bryan O'Sullivan
2006-05-12 23:42 ` [PATCH 7 of 53] ipath - cap maximum number of AHs Bryan O'Sullivan
2006-05-12 23:42 ` [PATCH 8 of 53] ipath - cap number of CQEs Bryan O'Sullivan
2006-05-12 23:42 ` [PATCH 9 of 53] ipath - cap number of CQs Bryan O'Sullivan
2006-05-12 23:42 ` [PATCH 10 of 53] ipath - require capabilities when creating a QP Bryan O'Sullivan
2006-05-12 23:42 ` [PATCH 11 of 53] ipath - don't modify QP if changes fail Bryan O'Sullivan
2006-05-12 23:42 ` [PATCH 12 of 53] ipath - reduce overhead of receive interrupts Bryan O'Sullivan
2006-05-12 23:42 ` [PATCH 13 of 53] ipath - limit number of SGEs and WRs per QP Bryan O'Sullivan
2006-05-12 23:42 ` [PATCH 14 of 53] ipath - forbid empty MRs Bryan O'Sullivan
2006-05-15 15:46   ` Roland Dreier
2006-05-15 21:17     ` Bryan O'Sullivan
2006-05-12 23:43 ` [PATCH 15 of 53] ipath - make some maximum values more sane Bryan O'Sullivan
2006-05-15 15:48   ` Roland Dreier
2006-05-16 22:44   ` [openib-general] " Arlin Davis
2006-05-12 23:43 ` [PATCH 16 of 53] ipath - fix reporting of driver version to userspace Bryan O'Sullivan
2006-05-12 23:43 ` [PATCH 17 of 53] ipath - fail properly if GID missing Bryan O'Sullivan
2006-05-12 23:43 ` [PATCH 18 of 53] ipath - make max mcast sizes configurable Bryan O'Sullivan
2006-05-12 23:43 ` [PATCH 19 of 53] ipath - replace uses of LIST_POISON Bryan O'Sullivan
2006-05-12 23:43 ` [PATCH 20 of 53] ipath - more sharing between RC and UC code Bryan O'Sullivan
2006-05-12 23:43 ` [PATCH 21 of 53] ipath - use phys_to_virt instead of bus_to_virt Bryan O'Sullivan
2006-05-15 15:50   ` Roland Dreier
2006-05-15 21:21     ` Bryan O'Sullivan
2006-05-15 21:28       ` Roland Dreier
2006-05-15 23:13         ` [openib-general] " Grant Grundler
2006-05-15 23:16           ` Roland Dreier
2006-05-15 23:30             ` Grant Grundler
2006-05-15 23:34               ` Roland Dreier
2006-05-16 20:05       ` Christoph Hellwig
2006-05-12 23:43 ` [PATCH 22 of 53] ipath - fix "many lost ticks" warning Bryan O'Sullivan
2006-05-12 23:43 ` [PATCH 23 of 53] ipath - [TRIVIAL] typo fixes Bryan O'Sullivan
2006-05-12 23:43 ` Bryan O'Sullivan [this message]
2006-05-12 23:43 ` [PATCH 25 of 53] ipath - remove some duplicated lines of code Bryan O'Sullivan
2006-05-12 23:43 ` [PATCH 26 of 53] ipath - treat PE800 rev1 and rev2 as similar Bryan O'Sullivan
2006-05-12 23:43 ` [PATCH 27 of 53] ipath - fix accounting of data packets with bad VLs Bryan O'Sullivan
2006-05-12 23:43 ` [PATCH 28 of 53] ipath - forbid setting of invalid MLID Bryan O'Sullivan
2006-05-12 23:43 ` [PATCH 29 of 53] ipath - remove redundant register read Bryan O'Sullivan
2006-05-12 23:43 ` [PATCH 30 of 53] ipath - count VL15 packet drops due to bad VL or lack of buffers Bryan O'Sullivan
2006-05-12 23:43 ` [PATCH 31 of 53] ipath - forbid sending of bad packet sizes Bryan O'Sullivan
2006-05-12 23:43 ` [PATCH 32 of 53] ipath - fix NULL dereference during cleanup Bryan O'Sullivan
2006-05-12 23:43 ` [PATCH 33 of 53] ipath - clean up some comments Bryan O'Sullivan
2006-05-12 23:43 ` [PATCH 34 of 53] ipath - fix occasional hangs in SDP Bryan O'Sullivan
2006-05-12 23:43 ` [PATCH 35 of 53] ipath - some interrelated stability and cleanliness fixes Bryan O'Sullivan
2006-05-15 15:53   ` Roland Dreier
2006-05-12 23:43 ` [PATCH 36 of 53] ipath - count local link integrity errors Bryan O'Sullivan
2006-05-12 23:43 ` [PATCH 37 of 53] ipath - name zero counter offsets consistently Bryan O'Sullivan
2006-05-12 23:43 ` [PATCH 38 of 53] ipath - SRQ compliance checks Bryan O'Sullivan
2006-05-12 23:43 ` [PATCH 39 of 53] ipath - count PE800 receive interrupts on user ports Bryan O'Sullivan
2006-05-12 23:43 ` [PATCH 40 of 53] ipath - remember to drop spinlock Bryan O'Sullivan
2006-05-12 23:43 ` [PATCH 41 of 53] ipath - disable interrupts while holding spinlock in RWQE get Bryan O'Sullivan
2006-05-15 15:55   ` Roland Dreier
2006-05-12 23:43 ` [PATCH 42 of 53] ipath - increment pointer properly when doing a diag read Bryan O'Sullivan
2006-05-12 23:43 ` [PATCH 43 of 53] ipath - fix memory leak when creating a QP fails Bryan O'Sullivan
2006-05-12 23:43 ` [PATCH 44 of 53] ipath - allow diags on any unit Bryan O'Sullivan
2006-05-12 23:43 ` [PATCH 45 of 53] ipath - fix memory leak when create of QP fails Bryan O'Sullivan
2006-05-12 23:43 ` [PATCH 46 of 53] ipath - enable GPIO interrupt on HT-460 Bryan O'Sullivan
2006-05-12 23:43 ` [PATCH 47 of 53] ipath - fix problem with lost interrupts on HT-400 Bryan O'Sullivan
2006-05-12 23:43 ` [PATCH 48 of 53] ipath - QP should ignore receive queue size if SRQ specified Bryan O'Sullivan
2006-05-12 23:43 ` [PATCH 49 of 53] ipath - NULL-terminate pci_device_id table Bryan O'Sullivan
2006-05-12 23:43 ` [PATCH 50 of 53] ipath - reduce maximum table sizes Bryan O'Sullivan
2006-05-15 16:00   ` Roland Dreier
2006-05-12 23:43 ` [PATCH 51 of 53] ipath - fix reporting of vendor ID and a few other trivial bits Bryan O'Sullivan
2006-05-12 23:43 ` [PATCH 52 of 53] ipath - register as IB device owner Bryan O'Sullivan
2006-05-12 23:43 ` [PATCH 53 of 53] ipath - add memory barrier when waiting for writes Bryan O'Sullivan
2006-05-15 15:57   ` Roland Dreier
2006-05-15 21:10     ` Bryan O'Sullivan
2006-05-15 23:01       ` ralphc
2006-05-15 23:08         ` Roland Dreier
2006-05-15 23:25           ` ralphc
2006-05-15 23:28             ` [openib-general] " Roland Dreier
2006-05-15 23:38               ` ralphc
2006-05-15 23:47                 ` Roland Dreier
2006-05-15 15:02 ` [openib-general] [PATCH 0 of 53] ipath driver updates for 2.6.17-rc4 Roger Heflin
2006-05-15 15:44 ` Roland Dreier
2006-05-15 16:00   ` [openib-general] " Roger Heflin
2006-05-15 16:04     ` Roland Dreier
2006-05-15 20:11       ` Roger Heflin
2006-05-15 21:09         ` Bryan O'Sullivan
2006-05-15 21:07   ` Bryan O'Sullivan

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