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-rw-r--r--drivers/infiniband/hw/ipath/ipath_debug.h1
-rw-r--r--drivers/infiniband/hw/ipath/ipath_driver.c53
-rw-r--r--drivers/infiniband/hw/ipath/ipath_intr.c57
-rw-r--r--drivers/infiniband/hw/ipath/ipath_kernel.h2
-rw-r--r--drivers/infiniband/hw/ipath/ipath_registers.h9
-rw-r--r--drivers/infiniband/hw/ipath/ipath_stats.c14
6 files changed, 99 insertions, 37 deletions
diff --git a/drivers/infiniband/hw/ipath/ipath_debug.h b/drivers/infiniband/hw/ipath/ipath_debug.h
index df69f0d80b8b..42bfbdb0d3e6 100644
--- a/drivers/infiniband/hw/ipath/ipath_debug.h
+++ b/drivers/infiniband/hw/ipath/ipath_debug.h
@@ -57,6 +57,7 @@
#define __IPATH_PROCDBG 0x100
/* print mmap/nopage stuff, not using VDBG any more */
#define __IPATH_MMDBG 0x200
+#define __IPATH_ERRPKTDBG 0x400
#define __IPATH_USER_SEND 0x1000 /* use user mode send */
#define __IPATH_KERNEL_SEND 0x2000 /* use kernel mode send */
#define __IPATH_EPKTDBG 0x4000 /* print ethernet packet data */
diff --git a/drivers/infiniband/hw/ipath/ipath_driver.c b/drivers/infiniband/hw/ipath/ipath_driver.c
index 53eb4550bcd3..cf40cf2d1fbb 100644
--- a/drivers/infiniband/hw/ipath/ipath_driver.c
+++ b/drivers/infiniband/hw/ipath/ipath_driver.c
@@ -754,9 +754,42 @@ static int ipath_wait_linkstate(struct ipath_devdata *dd, u32 state,
return (dd->ipath_flags & state) ? 0 : -ETIMEDOUT;
}
-void ipath_decode_err(char *buf, size_t blen, ipath_err_t err)
+/*
+ * Decode the error status into strings, deciding whether to always
+ * print * it or not depending on "normal packet errors" vs everything
+ * else. Return 1 if "real" errors, otherwise 0 if only packet
+ * errors, so caller can decide what to print with the string.
+ */
+int ipath_decode_err(char *buf, size_t blen, ipath_err_t err)
{
+ int iserr = 1;
*buf = '\0';
+ if (err & INFINIPATH_E_PKTERRS) {
+ if (!(err & ~INFINIPATH_E_PKTERRS))
+ iserr = 0; // if only packet errors.
+ if (ipath_debug & __IPATH_ERRPKTDBG) {
+ if (err & INFINIPATH_E_REBP)
+ strlcat(buf, "EBP ", blen);
+ if (err & INFINIPATH_E_RVCRC)
+ strlcat(buf, "VCRC ", blen);
+ if (err & INFINIPATH_E_RICRC) {
+ strlcat(buf, "CRC ", blen);
+ // clear for check below, so only once
+ err &= INFINIPATH_E_RICRC;
+ }
+ if (err & INFINIPATH_E_RSHORTPKTLEN)
+ strlcat(buf, "rshortpktlen ", blen);
+ if (err & INFINIPATH_E_SDROPPEDDATAPKT)
+ strlcat(buf, "sdroppeddatapkt ", blen);
+ if (err & INFINIPATH_E_SPKTLEN)
+ strlcat(buf, "spktlen ", blen);
+ }
+ if ((err & INFINIPATH_E_RICRC) &&
+ !(err&(INFINIPATH_E_RVCRC|INFINIPATH_E_REBP)))
+ strlcat(buf, "CRC ", blen);
+ if (!iserr)
+ goto done;
+ }
if (err & INFINIPATH_E_RHDRLEN)
strlcat(buf, "rhdrlen ", blen);
if (err & INFINIPATH_E_RBADTID)
@@ -767,12 +800,12 @@ void ipath_decode_err(char *buf, size_t blen, ipath_err_t err)
strlcat(buf, "rhdr ", blen);
if (err & INFINIPATH_E_RLONGPKTLEN)
strlcat(buf, "rlongpktlen ", blen);
- if (err & INFINIPATH_E_RSHORTPKTLEN)
- strlcat(buf, "rshortpktlen ", blen);
if (err & INFINIPATH_E_RMAXPKTLEN)
strlcat(buf, "rmaxpktlen ", blen);
if (err & INFINIPATH_E_RMINPKTLEN)
strlcat(buf, "rminpktlen ", blen);
+ if (err & INFINIPATH_E_SMINPKTLEN)
+ strlcat(buf, "sminpktlen ", blen);
if (err & INFINIPATH_E_RFORMATERR)
strlcat(buf, "rformaterr ", blen);
if (err & INFINIPATH_E_RUNSUPVL)
@@ -781,32 +814,20 @@ void ipath_decode_err(char *buf, size_t blen, ipath_err_t err)
strlcat(buf, "runexpchar ", blen);
if (err & INFINIPATH_E_RIBFLOW)
strlcat(buf, "ribflow ", blen);
- if (err & INFINIPATH_E_REBP)
- strlcat(buf, "EBP ", blen);
if (err & INFINIPATH_E_SUNDERRUN)
strlcat(buf, "sunderrun ", blen);
if (err & INFINIPATH_E_SPIOARMLAUNCH)
strlcat(buf, "spioarmlaunch ", blen);
if (err & INFINIPATH_E_SUNEXPERRPKTNUM)
strlcat(buf, "sunexperrpktnum ", blen);
- if (err & INFINIPATH_E_SDROPPEDDATAPKT)
- strlcat(buf, "sdroppeddatapkt ", blen);
if (err & INFINIPATH_E_SDROPPEDSMPPKT)
strlcat(buf, "sdroppedsmppkt ", blen);
if (err & INFINIPATH_E_SMAXPKTLEN)
strlcat(buf, "smaxpktlen ", blen);
- if (err & INFINIPATH_E_SMINPKTLEN)
- strlcat(buf, "sminpktlen ", blen);
if (err & INFINIPATH_E_SUNSUPVL)
strlcat(buf, "sunsupVL ", blen);
- if (err & INFINIPATH_E_SPKTLEN)
- strlcat(buf, "spktlen ", blen);
if (err & INFINIPATH_E_INVALIDADDR)
strlcat(buf, "invalidaddr ", blen);
- if (err & INFINIPATH_E_RICRC)
- strlcat(buf, "CRC ", blen);
- if (err & INFINIPATH_E_RVCRC)
- strlcat(buf, "VCRC ", blen);
if (err & INFINIPATH_E_RRCVEGRFULL)
strlcat(buf, "rcvegrfull ", blen);
if (err & INFINIPATH_E_RRCVHDRFULL)
@@ -819,6 +840,8 @@ void ipath_decode_err(char *buf, size_t blen, ipath_err_t err)
strlcat(buf, "hardware ", blen);
if (err & INFINIPATH_E_RESET)
strlcat(buf, "reset ", blen);
+done:
+ return iserr;
}
/**
diff --git a/drivers/infiniband/hw/ipath/ipath_intr.c b/drivers/infiniband/hw/ipath/ipath_intr.c
index 72b9e279d19d..037b8e276429 100644
--- a/drivers/infiniband/hw/ipath/ipath_intr.c
+++ b/drivers/infiniband/hw/ipath/ipath_intr.c
@@ -403,10 +403,13 @@ static void handle_supp_msgs(struct ipath_devdata *dd,
* happens so often we never want to count it.
*/
if (dd->ipath_lasterror & ~INFINIPATH_E_IBSTATUSCHANGED) {
- ipath_decode_err(msg, sizeof msg, dd->ipath_lasterror &
- ~INFINIPATH_E_IBSTATUSCHANGED);
+ int iserr;
+ iserr = ipath_decode_err(msg, sizeof msg,
+ dd->ipath_lasterror &
+ ~INFINIPATH_E_IBSTATUSCHANGED);
if (dd->ipath_lasterror &
- ~(INFINIPATH_E_RRCVEGRFULL | INFINIPATH_E_RRCVHDRFULL))
+ ~(INFINIPATH_E_RRCVEGRFULL |
+ INFINIPATH_E_RRCVHDRFULL | INFINIPATH_E_PKTERRS))
ipath_dev_err(dd, "Suppressed %u messages for "
"fast-repeating errors (%s) (%llx)\n",
supp_msgs, msg,
@@ -420,8 +423,13 @@ static void handle_supp_msgs(struct ipath_devdata *dd,
* them. So only complain about these at debug
* level.
*/
- ipath_dbg("Suppressed %u messages for %s\n",
- supp_msgs, msg);
+ if (iserr)
+ ipath_dbg("Suppressed %u messages for %s\n",
+ supp_msgs, msg);
+ else
+ ipath_cdbg(ERRPKT,
+ "Suppressed %u messages for %s\n",
+ supp_msgs, msg);
}
}
}
@@ -462,7 +470,7 @@ static int handle_errors(struct ipath_devdata *dd, ipath_err_t errs)
{
char msg[512];
u64 ignore_this_time = 0;
- int i;
+ int i, iserr = 0;
int chkerrpkts = 0, noprint = 0;
unsigned supp_msgs;
@@ -502,6 +510,7 @@ static int handle_errors(struct ipath_devdata *dd, ipath_err_t errs)
}
if (supp_msgs == 250000) {
+ int s_iserr;
/*
* It's not entirely reasonable assuming that the errors set
* in the last clear period are all responsible for the
@@ -511,17 +520,17 @@ static int handle_errors(struct ipath_devdata *dd, ipath_err_t errs)
dd->ipath_maskederrs |= dd->ipath_lasterror | errs;
ipath_write_kreg(dd, dd->ipath_kregs->kr_errormask,
~dd->ipath_maskederrs);
- ipath_decode_err(msg, sizeof msg,
+ s_iserr = ipath_decode_err(msg, sizeof msg,
(dd->ipath_maskederrs & ~dd->
ipath_ignorederrs));
if ((dd->ipath_maskederrs & ~dd->ipath_ignorederrs) &
- ~(INFINIPATH_E_RRCVEGRFULL | INFINIPATH_E_RRCVHDRFULL))
- ipath_dev_err(dd, "Disabling error(s) %llx because "
- "occurring too frequently (%s)\n",
- (unsigned long long)
- (dd->ipath_maskederrs &
- ~dd->ipath_ignorederrs), msg);
+ ~(INFINIPATH_E_RRCVEGRFULL |
+ INFINIPATH_E_RRCVHDRFULL | INFINIPATH_E_PKTERRS))
+ ipath_dev_err(dd, "Temporarily disabling "
+ "error(s) %llx reporting; too frequent (%s)\n",
+ (unsigned long long) (dd->ipath_maskederrs &
+ ~dd->ipath_ignorederrs), msg);
else {
/*
* rcvegrfull and rcvhdrqfull are "normal",
@@ -530,8 +539,15 @@ static int handle_errors(struct ipath_devdata *dd, ipath_err_t errs)
* processing them. So only complain about
* these at debug level.
*/
- ipath_dbg("Disabling frequent queue full errors "
- "(%s)\n", msg);
+ if (s_iserr)
+ ipath_dbg("Temporarily disabling reporting "
+ "too frequent queue full errors (%s)\n",
+ msg);
+ else
+ ipath_cdbg(ERRPKT,
+ "Temporarily disabling reporting too"
+ " frequent packet errors (%s)\n",
+ msg);
}
/*
@@ -589,6 +605,8 @@ static int handle_errors(struct ipath_devdata *dd, ipath_err_t errs)
ipath_stats.sps_crcerrs++;
chkerrpkts = 1;
}
+ iserr = errs & ~(E_SUM_PKTERRS | INFINIPATH_E_PKTERRS);
+
/*
* We don't want to print these two as they happen, or we can make
@@ -677,8 +695,13 @@ static int handle_errors(struct ipath_devdata *dd, ipath_err_t errs)
*dd->ipath_statusp &= ~IPATH_STATUS_IB_CONF;
}
- if (!noprint && *msg)
- ipath_dev_err(dd, "%s error\n", msg);
+ if (!noprint && *msg) {
+ if (iserr)
+ ipath_dev_err(dd, "%s error\n", msg);
+ else
+ dev_info(&dd->pcidev->dev, "%s packet problems\n",
+ msg);
+ }
if (dd->ipath_state_wanted & dd->ipath_flags) {
ipath_cdbg(VERBOSE, "driver wanted state %x, iflags now %x, "
"waking\n", dd->ipath_state_wanted,
diff --git a/drivers/infiniband/hw/ipath/ipath_kernel.h b/drivers/infiniband/hw/ipath/ipath_kernel.h
index c8df65a4d19d..a2162853f5be 100644
--- a/drivers/infiniband/hw/ipath/ipath_kernel.h
+++ b/drivers/infiniband/hw/ipath/ipath_kernel.h
@@ -611,7 +611,7 @@ struct sk_buff *ipath_alloc_skb(struct ipath_devdata *dd, gfp_t);
extern int ipath_diag_inuse;
irqreturn_t ipath_intr(int irq, void *devid);
-void ipath_decode_err(char *buf, size_t blen, ipath_err_t err);
+int ipath_decode_err(char *buf, size_t blen, ipath_err_t err);
#if __IPATH_INFO || __IPATH_DBG
extern const char *ipath_ibcstatus_str[];
#endif
diff --git a/drivers/infiniband/hw/ipath/ipath_registers.h b/drivers/infiniband/hw/ipath/ipath_registers.h
index e0b20529da8b..6e99eafdfd73 100644
--- a/drivers/infiniband/hw/ipath/ipath_registers.h
+++ b/drivers/infiniband/hw/ipath/ipath_registers.h
@@ -126,6 +126,15 @@
#define INFINIPATH_E_RESET 0x0004000000000000ULL
#define INFINIPATH_E_HARDWARE 0x0008000000000000ULL
+/*
+ * this is used to print "common" packet errors only when the
+ * __IPATH_ERRPKTDBG bit is set in ipath_debug.
+ */
+#define INFINIPATH_E_PKTERRS ( INFINIPATH_E_SPKTLEN \
+ | INFINIPATH_E_SDROPPEDDATAPKT | INFINIPATH_E_RVCRC \
+ | INFINIPATH_E_RICRC | INFINIPATH_E_RSHORTPKTLEN \
+ | INFINIPATH_E_REBP )
+
/* kr_hwerrclear, kr_hwerrmask, kr_hwerrstatus, bits */
/* TXEMEMPARITYERR bit 0: PIObuf, 1: PIOpbc, 2: launchfifo
* RXEMEMPARITYERR bit 0: rcvbuf, 1: lookupq, 2: expTID, 3: eagerTID
diff --git a/drivers/infiniband/hw/ipath/ipath_stats.c b/drivers/infiniband/hw/ipath/ipath_stats.c
index 30a825928fcf..a627342a969c 100644
--- a/drivers/infiniband/hw/ipath/ipath_stats.c
+++ b/drivers/infiniband/hw/ipath/ipath_stats.c
@@ -237,11 +237,13 @@ void ipath_get_faststats(unsigned long opaque)
if ((dd->ipath_maskederrs & ~dd->ipath_ignorederrs)
&& time_after(jiffies, dd->ipath_unmasktime)) {
char ebuf[256];
- ipath_decode_err(ebuf, sizeof ebuf,
+ int iserr;
+ iserr = ipath_decode_err(ebuf, sizeof ebuf,
(dd->ipath_maskederrs & ~dd->
ipath_ignorederrs));
if ((dd->ipath_maskederrs & ~dd->ipath_ignorederrs) &
- ~(INFINIPATH_E_RRCVEGRFULL | INFINIPATH_E_RRCVHDRFULL))
+ ~(INFINIPATH_E_RRCVEGRFULL | INFINIPATH_E_RRCVHDRFULL |
+ INFINIPATH_E_PKTERRS ))
ipath_dev_err(dd, "Re-enabling masked errors "
"(%s)\n", ebuf);
else {
@@ -252,8 +254,12 @@ void ipath_get_faststats(unsigned long opaque)
* them. So only complain about these at debug
* level.
*/
- ipath_dbg("Disabling frequent queue full errors "
- "(%s)\n", ebuf);
+ if (iserr)
+ ipath_dbg("Re-enabling queue full errors (%s)\n",
+ ebuf);
+ else
+ ipath_cdbg(ERRPKT, "Re-enabling packet"
+ " problem interrupt (%s)\n", ebuf);
}
dd->ipath_maskederrs = dd->ipath_ignorederrs;
ipath_write_kreg(dd, dd->ipath_kregs->kr_errormask,
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