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cxgb - fix stats

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Fix MAC stats accounting.
Fix get_stats.

Signed-off-by: Divy Le Ray <divy@chelsio.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
This commit is contained in:
Divy Le Ray
2007-11-27 13:30:20 -08:00
committed by Jeff Garzik
parent 445cf803ca
commit e0348b9ae5
4 changed files with 96 additions and 89 deletions
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110
drivers/net/chelsio/pm3393.c Normal file → Executable file
View File

@@ -45,7 +45,7 @@
#include <linux/crc32.h>
#define OFFSET(REG_ADDR) (REG_ADDR << 2)
#define OFFSET(REG_ADDR) ((REG_ADDR) << 2)
/* Max frame size PM3393 can handle. Includes Ethernet header and CRC. */
#define MAX_FRAME_SIZE 9600
@@ -428,69 +428,26 @@ static int pm3393_set_speed_duplex_fc(struct cmac *cmac, int speed, int duplex,
return 0;
}
static void pm3393_rmon_update(struct adapter *adapter, u32 offs, u64 *val,
int over)
{
u32 val0, val1, val2;
t1_tpi_read(adapter, offs, &val0);
t1_tpi_read(adapter, offs + 4, &val1);
t1_tpi_read(adapter, offs + 8, &val2);
*val &= ~0ull << 40;
*val |= val0 & 0xffff;
*val |= (val1 & 0xffff) << 16;
*val |= (u64)(val2 & 0xff) << 32;
if (over)
*val += 1ull << 40;
#define RMON_UPDATE(mac, name, stat_name) \
{ \
t1_tpi_read((mac)->adapter, OFFSET(name), &val0); \
t1_tpi_read((mac)->adapter, OFFSET((name)+1), &val1); \
t1_tpi_read((mac)->adapter, OFFSET((name)+2), &val2); \
(mac)->stats.stat_name = (u64)(val0 & 0xffff) | \
((u64)(val1 & 0xffff) << 16) | \
((u64)(val2 & 0xff) << 32) | \
((mac)->stats.stat_name & \
0xffffff0000000000ULL); \
if (ro & \
(1ULL << ((name - SUNI1x10GEXP_REG_MSTAT_COUNTER_0_LOW) >> 2))) \
(mac)->stats.stat_name += 1ULL << 40; \
}
static const struct cmac_statistics *pm3393_update_statistics(struct cmac *mac,
int flag)
{
static struct {
unsigned int reg;
unsigned int offset;
} hw_stats [] = {
#define HW_STAT(name, stat_name) \
{ name, (&((struct cmac_statistics *)NULL)->stat_name) - (u64 *)NULL }
/* Rx stats */
HW_STAT(RxOctetsReceivedOK, RxOctetsOK),
HW_STAT(RxUnicastFramesReceivedOK, RxUnicastFramesOK),
HW_STAT(RxMulticastFramesReceivedOK, RxMulticastFramesOK),
HW_STAT(RxBroadcastFramesReceivedOK, RxBroadcastFramesOK),
HW_STAT(RxPAUSEMACCtrlFramesReceived, RxPauseFrames),
HW_STAT(RxFrameCheckSequenceErrors, RxFCSErrors),
HW_STAT(RxFramesLostDueToInternalMACErrors,
RxInternalMACRcvError),
HW_STAT(RxSymbolErrors, RxSymbolErrors),
HW_STAT(RxInRangeLengthErrors, RxInRangeLengthErrors),
HW_STAT(RxFramesTooLongErrors , RxFrameTooLongErrors),
HW_STAT(RxJabbers, RxJabberErrors),
HW_STAT(RxFragments, RxRuntErrors),
HW_STAT(RxUndersizedFrames, RxRuntErrors),
HW_STAT(RxJumboFramesReceivedOK, RxJumboFramesOK),
HW_STAT(RxJumboOctetsReceivedOK, RxJumboOctetsOK),
/* Tx stats */
HW_STAT(TxOctetsTransmittedOK, TxOctetsOK),
HW_STAT(TxFramesLostDueToInternalMACTransmissionError,
TxInternalMACXmitError),
HW_STAT(TxTransmitSystemError, TxFCSErrors),
HW_STAT(TxUnicastFramesTransmittedOK, TxUnicastFramesOK),
HW_STAT(TxMulticastFramesTransmittedOK, TxMulticastFramesOK),
HW_STAT(TxBroadcastFramesTransmittedOK, TxBroadcastFramesOK),
HW_STAT(TxPAUSEMACCtrlFramesTransmitted, TxPauseFrames),
HW_STAT(TxJumboFramesReceivedOK, TxJumboFramesOK),
HW_STAT(TxJumboOctetsReceivedOK, TxJumboOctetsOK)
}, *p = hw_stats;
u64 ro;
u32 val0, val1, val2, val3;
u64 *stats = (u64 *) &mac->stats;
unsigned int i;
u64 ro;
u32 val0, val1, val2, val3;
/* Snap the counters */
pmwrite(mac, SUNI1x10GEXP_REG_MSTAT_CONTROL,
@@ -504,14 +461,35 @@ static const struct cmac_statistics *pm3393_update_statistics(struct cmac *mac,
ro = ((u64)val0 & 0xffff) | (((u64)val1 & 0xffff) << 16) |
(((u64)val2 & 0xffff) << 32) | (((u64)val3 & 0xffff) << 48);
for (i = 0; i < ARRAY_SIZE(hw_stats); i++) {
unsigned reg = p->reg - SUNI1x10GEXP_REG_MSTAT_COUNTER_0_LOW;
pm3393_rmon_update((mac)->adapter, OFFSET(p->reg),
stats + p->offset, ro & (reg >> 2));
}
/* Rx stats */
RMON_UPDATE(mac, RxOctetsReceivedOK, RxOctetsOK);
RMON_UPDATE(mac, RxUnicastFramesReceivedOK, RxUnicastFramesOK);
RMON_UPDATE(mac, RxMulticastFramesReceivedOK, RxMulticastFramesOK);
RMON_UPDATE(mac, RxBroadcastFramesReceivedOK, RxBroadcastFramesOK);
RMON_UPDATE(mac, RxPAUSEMACCtrlFramesReceived, RxPauseFrames);
RMON_UPDATE(mac, RxFrameCheckSequenceErrors, RxFCSErrors);
RMON_UPDATE(mac, RxFramesLostDueToInternalMACErrors,
RxInternalMACRcvError);
RMON_UPDATE(mac, RxSymbolErrors, RxSymbolErrors);
RMON_UPDATE(mac, RxInRangeLengthErrors, RxInRangeLengthErrors);
RMON_UPDATE(mac, RxFramesTooLongErrors , RxFrameTooLongErrors);
RMON_UPDATE(mac, RxJabbers, RxJabberErrors);
RMON_UPDATE(mac, RxFragments, RxRuntErrors);
RMON_UPDATE(mac, RxUndersizedFrames, RxRuntErrors);
RMON_UPDATE(mac, RxJumboFramesReceivedOK, RxJumboFramesOK);
RMON_UPDATE(mac, RxJumboOctetsReceivedOK, RxJumboOctetsOK);
/* Tx stats */
RMON_UPDATE(mac, TxOctetsTransmittedOK, TxOctetsOK);
RMON_UPDATE(mac, TxFramesLostDueToInternalMACTransmissionError,
TxInternalMACXmitError);
RMON_UPDATE(mac, TxTransmitSystemError, TxFCSErrors);
RMON_UPDATE(mac, TxUnicastFramesTransmittedOK, TxUnicastFramesOK);
RMON_UPDATE(mac, TxMulticastFramesTransmittedOK, TxMulticastFramesOK);
RMON_UPDATE(mac, TxBroadcastFramesTransmittedOK, TxBroadcastFramesOK);
RMON_UPDATE(mac, TxPAUSEMACCtrlFramesTransmitted, TxPauseFrames);
RMON_UPDATE(mac, TxJumboFramesReceivedOK, TxJumboFramesOK);
RMON_UPDATE(mac, TxJumboOctetsReceivedOK, TxJumboOctetsOK);
return &mac->stats;
}