2.6.23-stable review patch. If anyone has any objections, please let us know. ------------------ From: Divy Le Ray patch e0348b9ae5374f9a24424ae680bcd80724415f60 in mainline. Fix MAC stats accounting. Fix get_stats. Signed-off-by: Divy Le Ray Signed-off-by: Jeff Garzik Signed-off-by: Greg Kroah-Hartman --- drivers/net/chelsio/cxgb2.c | 67 +++++++++++++++++++------ drivers/net/chelsio/pm3393.c | 112 +++++++++++++++++-------------------------- drivers/net/chelsio/sge.c | 4 - drivers/net/chelsio/sge.h | 2 4 files changed, 96 insertions(+), 89 deletions(-) --- a/drivers/net/chelsio/cxgb2.c +++ b/drivers/net/chelsio/cxgb2.c @@ -370,7 +370,9 @@ static char stats_strings[][ETH_GSTRING_ "TxInternalMACXmitError", "TxFramesWithExcessiveDeferral", "TxFCSErrors", - + "TxJumboFramesOk", + "TxJumboOctetsOk", + "RxOctetsOK", "RxOctetsBad", "RxUnicastFramesOK", @@ -388,11 +390,11 @@ static char stats_strings[][ETH_GSTRING_ "RxInRangeLengthErrors", "RxOutOfRangeLengthField", "RxFrameTooLongErrors", + "RxJumboFramesOk", + "RxJumboOctetsOk", /* Port stats */ - "RxPackets", "RxCsumGood", - "TxPackets", "TxCsumOffload", "TxTso", "RxVlan", @@ -455,23 +457,56 @@ static void get_stats(struct net_device const struct cmac_statistics *s; const struct sge_intr_counts *t; struct sge_port_stats ss; - unsigned int len; s = mac->ops->statistics_update(mac, MAC_STATS_UPDATE_FULL); - - len = sizeof(u64)*(&s->TxFCSErrors + 1 - &s->TxOctetsOK); - memcpy(data, &s->TxOctetsOK, len); - data += len; - - len = sizeof(u64)*(&s->RxFrameTooLongErrors + 1 - &s->RxOctetsOK); - memcpy(data, &s->RxOctetsOK, len); - data += len; - + t = t1_sge_get_intr_counts(adapter->sge); t1_sge_get_port_stats(adapter->sge, dev->if_port, &ss); - memcpy(data, &ss, sizeof(ss)); - data += sizeof(ss); - t = t1_sge_get_intr_counts(adapter->sge); + *data++ = s->TxOctetsOK; + *data++ = s->TxOctetsBad; + *data++ = s->TxUnicastFramesOK; + *data++ = s->TxMulticastFramesOK; + *data++ = s->TxBroadcastFramesOK; + *data++ = s->TxPauseFrames; + *data++ = s->TxFramesWithDeferredXmissions; + *data++ = s->TxLateCollisions; + *data++ = s->TxTotalCollisions; + *data++ = s->TxFramesAbortedDueToXSCollisions; + *data++ = s->TxUnderrun; + *data++ = s->TxLengthErrors; + *data++ = s->TxInternalMACXmitError; + *data++ = s->TxFramesWithExcessiveDeferral; + *data++ = s->TxFCSErrors; + *data++ = s->TxJumboFramesOK; + *data++ = s->TxJumboOctetsOK; + + *data++ = s->RxOctetsOK; + *data++ = s->RxOctetsBad; + *data++ = s->RxUnicastFramesOK; + *data++ = s->RxMulticastFramesOK; + *data++ = s->RxBroadcastFramesOK; + *data++ = s->RxPauseFrames; + *data++ = s->RxFCSErrors; + *data++ = s->RxAlignErrors; + *data++ = s->RxSymbolErrors; + *data++ = s->RxDataErrors; + *data++ = s->RxSequenceErrors; + *data++ = s->RxRuntErrors; + *data++ = s->RxJabberErrors; + *data++ = s->RxInternalMACRcvError; + *data++ = s->RxInRangeLengthErrors; + *data++ = s->RxOutOfRangeLengthField; + *data++ = s->RxFrameTooLongErrors; + *data++ = s->RxJumboFramesOK; + *data++ = s->RxJumboOctetsOK; + + *data++ = ss.rx_cso_good; + *data++ = ss.tx_cso; + *data++ = ss.tx_tso; + *data++ = ss.vlan_xtract; + *data++ = ss.vlan_insert; + *data++ = ss.tx_need_hdrroom; + *data++ = t->rx_drops; *data++ = t->pure_rsps; *data++ = t->unhandled_irqs; --- a/drivers/net/chelsio/pm3393.c +++ b/drivers/net/chelsio/pm3393.c @@ -45,7 +45,7 @@ #include -#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(st 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 *pm3 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; } --- a/drivers/net/chelsio/sge.c +++ b/drivers/net/chelsio/sge.c @@ -986,9 +986,7 @@ void t1_sge_get_port_stats(const struct for_each_possible_cpu(cpu) { struct sge_port_stats *st = per_cpu_ptr(sge->port_stats[port], cpu); - ss->rx_packets += st->rx_packets; ss->rx_cso_good += st->rx_cso_good; - ss->tx_packets += st->tx_packets; ss->tx_cso += st->tx_cso; ss->tx_tso += st->tx_tso; ss->tx_need_hdrroom += st->tx_need_hdrroom; @@ -1381,7 +1379,6 @@ static void sge_rx(struct sge *sge, stru __skb_pull(skb, sizeof(*p)); st = per_cpu_ptr(sge->port_stats[p->iff], smp_processor_id()); - st->rx_packets++; skb->protocol = eth_type_trans(skb, adapter->port[p->iff].dev); skb->dev->last_rx = jiffies; @@ -1951,7 +1948,6 @@ int t1_start_xmit(struct sk_buff *skb, s cpl->vlan_valid = 0; send: - st->tx_packets++; dev->trans_start = jiffies; ret = t1_sge_tx(skb, adapter, 0, dev); --- a/drivers/net/chelsio/sge.h +++ b/drivers/net/chelsio/sge.h @@ -57,9 +57,7 @@ struct sge_intr_counts { }; struct sge_port_stats { - u64 rx_packets; /* # of Ethernet packets received */ u64 rx_cso_good; /* # of successful RX csum offloads */ - u64 tx_packets; /* # of TX packets */ u64 tx_cso; /* # of TX checksum offloads */ u64 tx_tso; /* # of TSO requests */ u64 vlan_xtract; /* # of VLAN tag extractions */ -- -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/