[openib-general] [PATCH 36 of 53] ipath - count local link integrity errors
Bryan O'Sullivan
bos at pathscale.com
Fri May 12 16:43:21 PDT 2006
Signed-off-by: Bryan O'Sullivan <bos at pathscale.com>
diff -r e29625bd9050 -r ec1934faf5d1 drivers/infiniband/hw/ipath/ipath_driver.c
--- a/drivers/infiniband/hw/ipath/ipath_driver.c Fri May 12 15:55:28 2006 -0700
+++ b/drivers/infiniband/hw/ipath/ipath_driver.c Fri May 12 15:55:28 2006 -0700
@@ -446,6 +446,8 @@ static int __devinit ipath_init_one(stru
* by ipath_setup_htconfig.
*/
dd->ipath_flags = 0;
+ dd->ipath_lli_counter = 0;
+ dd->ipath_lli_errors = 0;
if (dd->ipath_f_bus(dd, pdev))
ipath_dev_err(dd, "Failed to setup config space; "
@@ -927,6 +929,18 @@ void ipath_kreceive(struct ipath_devdata
"tlen=%x opcode=%x egridx=%x: %s\n",
eflags, l, etype, tlen, bthbytes[0],
ips_get_index((__le32 *) rc), emsg);
+ /* Count local link integrity errors. */
+ if (eflags & (INFINIPATH_RHF_H_ICRCERR |
+ INFINIPATH_RHF_H_VCRCERR)) {
+ u8 n = (dd->ipath_ibcctrl >>
+ INFINIPATH_IBCC_PHYERRTHRESHOLD_SHIFT) &
+ INFINIPATH_IBCC_PHYERRTHRESHOLD_MASK;
+
+ if (++dd->ipath_lli_counter > n) {
+ dd->ipath_lli_counter = 0;
+ dd->ipath_lli_errors++;
+ }
+ }
} else if (etype == RCVHQ_RCV_TYPE_NON_KD) {
int ret = __ipath_verbs_rcv(dd, rc + 1,
ebuf, tlen);
@@ -934,6 +948,8 @@ void ipath_kreceive(struct ipath_devdata
ipath_cdbg(VERBOSE,
"received IB packet, "
"not SMA (QP=%x)\n", qp);
+ if (dd->ipath_lli_counter)
+ dd->ipath_lli_counter--;
} else if (etype == RCVHQ_RCV_TYPE_EAGER) {
if (qp == IPATH_KD_QP &&
bthbytes[0] == ipath_layer_rcv_opcode &&
@@ -1864,19 +1880,19 @@ static void __exit infinipath_cleanup(vo
} else
ipath_dbg("irq is 0, not doing free_irq "
"for unit %u\n", dd->ipath_unit);
+
+ /*
+ * we check for NULL here, because it's outside
+ * the kregbase check, and we need to call it
+ * after the free_irq. Thus it's possible that
+ * the function pointers were never initialized.
+ */
+ if (dd->ipath_f_cleanup)
+ /* clean up chip-specific stuff */
+ dd->ipath_f_cleanup(dd);
+
dd->pcidev = NULL;
}
-
- /*
- * we check for NULL here, because it's outside the kregbase
- * check, and we need to call it after the free_irq. Thus
- * it's possible that the function pointers were never
- * initialized.
- */
- if (dd->ipath_f_cleanup)
- /* clean up chip-specific stuff */
- dd->ipath_f_cleanup(dd);
-
spin_lock_irqsave(&ipath_devs_lock, flags);
}
diff -r e29625bd9050 -r ec1934faf5d1 drivers/infiniband/hw/ipath/ipath_intr.c
--- a/drivers/infiniband/hw/ipath/ipath_intr.c Fri May 12 15:55:28 2006 -0700
+++ b/drivers/infiniband/hw/ipath/ipath_intr.c Fri May 12 15:55:28 2006 -0700
@@ -261,6 +261,7 @@ static void handle_e_ibstatuschanged(str
| IPATH_LINKACTIVE |
IPATH_LINKARMED);
*dd->ipath_statusp &= ~IPATH_STATUS_IB_READY;
+ dd->ipath_lli_counter = 0;
if (!noprint) {
if (((dd->ipath_lastibcstat >>
INFINIPATH_IBCS_LINKSTATE_SHIFT) &
diff -r e29625bd9050 -r ec1934faf5d1 drivers/infiniband/hw/ipath/ipath_kernel.h
--- a/drivers/infiniband/hw/ipath/ipath_kernel.h Fri May 12 15:55:28 2006 -0700
+++ b/drivers/infiniband/hw/ipath/ipath_kernel.h Fri May 12 15:55:28 2006 -0700
@@ -509,6 +509,11 @@ struct ipath_devdata {
u8 ipath_pci_cacheline;
/* LID mask control */
u8 ipath_lmc;
+
+ /* local link integrity counter */
+ u32 ipath_lli_counter;
+ /* local link integrity errors */
+ u32 ipath_lli_errors;
};
diff -r e29625bd9050 -r ec1934faf5d1 drivers/infiniband/hw/ipath/ipath_layer.c
--- a/drivers/infiniband/hw/ipath/ipath_layer.c Fri May 12 15:55:28 2006 -0700
+++ b/drivers/infiniband/hw/ipath/ipath_layer.c Fri May 12 15:55:28 2006 -0700
@@ -1013,6 +1013,11 @@ int ipath_layer_get_counters(struct ipat
ipath_snap_cntr(dd, dd->ipath_cregs->cr_ibsymbolerrcnt);
cntrs->link_error_recovery_counter =
ipath_snap_cntr(dd, dd->ipath_cregs->cr_iblinkerrrecovcnt);
+ /*
+ * The link downed counter counts when the other side downs the
+ * connection. We add in the number of times we downed the link
+ * due to local link integrity errors to compensate.
+ */
cntrs->link_downed_counter =
ipath_snap_cntr(dd, dd->ipath_cregs->cr_iblinkdowncnt);
cntrs->port_rcv_errors =
@@ -1037,6 +1042,8 @@ int ipath_layer_get_counters(struct ipat
ipath_snap_cntr(dd, dd->ipath_cregs->cr_pktsendcnt);
cntrs->port_rcv_packets =
ipath_snap_cntr(dd, dd->ipath_cregs->cr_pktrcvcnt);
+ cntrs->local_link_integrity_errors = dd->ipath_lli_errors;
+ cntrs->excessive_buffer_overrun_errors = 0; /* XXX */
ret = 0;
diff -r e29625bd9050 -r ec1934faf5d1 drivers/infiniband/hw/ipath/ipath_layer.h
--- a/drivers/infiniband/hw/ipath/ipath_layer.h Fri May 12 15:55:28 2006 -0700
+++ b/drivers/infiniband/hw/ipath/ipath_layer.h Fri May 12 15:55:28 2006 -0700
@@ -54,6 +54,8 @@ struct ipath_layer_counters {
u64 port_rcv_data;
u64 port_xmit_packets;
u64 port_rcv_packets;
+ u32 local_link_integrity_errors;
+ u32 excessive_buffer_overrun_errors;
};
/*
diff -r e29625bd9050 -r ec1934faf5d1 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 +646,8 @@ 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_LOCAL_LINK_INTEGRITY_ERRORS __constant_htons(0x0200)
+#define IB_PMA_SEL_EXCESSIVE_BUFFER_OVERRUNS __constant_htons(0x0400)
#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)
@@ -893,6 +895,10 @@ static int recv_pma_get_portcounters(str
cntrs.port_rcv_data -= dev->n_port_rcv_data;
cntrs.port_xmit_packets -= dev->n_port_xmit_packets;
cntrs.port_rcv_packets -= dev->n_port_rcv_packets;
+ cntrs.local_link_integrity_errors -=
+ dev->z_local_link_integrity_errors;
+ cntrs.excessive_buffer_overrun_errors -=
+ dev->z_excessive_buffer_overrun_errors;
memset(pmp->data, 0, sizeof(pmp->data));
@@ -930,6 +936,12 @@ static int recv_pma_get_portcounters(str
else
p->port_xmit_discards =
cpu_to_be16((u16)cntrs.port_xmit_discards);
+ if (cntrs.local_link_integrity_errors > 0xFUL)
+ cntrs.local_link_integrity_errors = 0xFUL;
+ if (cntrs.excessive_buffer_overrun_errors > 0xFUL)
+ cntrs.excessive_buffer_overrun_errors = 0xFUL;
+ p->lli_ebor_errors = (cntrs.local_link_integrity_errors << 4) |
+ cntrs.excessive_buffer_overrun_errors;
if (dev->n_vl15_dropped > 0xFFFFUL)
p->vl15_dropped = __constant_cpu_to_be16(0xFFFF);
else
@@ -1028,6 +1040,14 @@ 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_LOCAL_LINK_INTEGRITY_ERRORS)
+ dev->z_local_link_integrity_errors =
+ cntrs.local_link_integrity_errors;
+
+ if (p->counter_select & IB_PMA_SEL_EXCESSIVE_BUFFER_OVERRUNS)
+ dev->z_excessive_buffer_overrun_errors =
+ cntrs.excessive_buffer_overrun_errors;
+
if (p->counter_select & IB_PMA_SEL_PORT_VL15_DROPPED)
dev->n_vl15_dropped = 0;
diff -r e29625bd9050 -r ec1934faf5d1 drivers/infiniband/hw/ipath/ipath_verbs.c
--- a/drivers/infiniband/hw/ipath/ipath_verbs.c Fri May 12 15:55:28 2006 -0700
+++ b/drivers/infiniband/hw/ipath/ipath_verbs.c Fri May 12 15:55:28 2006 -0700
@@ -1046,6 +1046,10 @@ static void *ipath_register_ib_device(in
idev->n_port_rcv_data = cntrs.port_rcv_data;
idev->n_port_xmit_packets = cntrs.port_xmit_packets;
idev->n_port_rcv_packets = cntrs.port_rcv_packets;
+ idev->z_local_link_integrity_errors =
+ cntrs.local_link_integrity_errors;
+ idev->z_excessive_buffer_overrun_errors =
+ cntrs.excessive_buffer_overrun_errors;
/*
* The system image GUID is supposed to be the same for all
diff -r e29625bd9050 -r ec1934faf5d1 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
@@ -459,6 +459,8 @@ struct ipath_ibdev {
u64 n_port_xmit_packets; /* starting count for PMA */
u64 n_port_rcv_packets; /* starting count for PMA */
u32 n_pkey_violations; /* starting count for PMA */
+ u32 z_local_link_integrity_errors; /* starting count for PMA */
+ u32 z_excessive_buffer_overrun_errors; /* starting count for PMA */
u32 n_rc_resends;
u32 n_rc_acks;
u32 n_rc_qacks;
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