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Date: Sun, 17 Jan 2010 09:30:43 -0800
From: "Michael Chan" <mchan@...adcom.com>
To: davem@...emloft.net
cc: leitao@...ux.vnet.ibm.com, netdev@...r.kernel.org,
"Michael Chan" <mchan@...adcom.com>
Subject: [PATCH net-next 1/2] bnx2: Refine statistics code.
Refine the statistics macros by passing in just the name of the
counter field. This makes it a lot easier and cleaner to add
counters saved before the last reset in the next patch.
Signed-off-by: Michael Chan <mchan@...adcom.com>
---
drivers/net/bnx2.c | 62 ++++++++++++++++++++++++++-------------------------
1 files changed, 32 insertions(+), 30 deletions(-)
diff --git a/drivers/net/bnx2.c b/drivers/net/bnx2.c
index b1c20e5..47fb508 100644
--- a/drivers/net/bnx2.c
+++ b/drivers/net/bnx2.c
@@ -6542,92 +6542,94 @@ bnx2_close(struct net_device *dev)
return 0;
}
-#define GET_NET_STATS64(ctr) \
+#define GET_64BIT_NET_STATS64(ctr) \
(unsigned long) ((unsigned long) (ctr##_hi) << 32) + \
(unsigned long) (ctr##_lo)
-#define GET_NET_STATS32(ctr) \
+#define GET_64BIT_NET_STATS32(ctr) \
(ctr##_lo)
#if (BITS_PER_LONG == 64)
-#define GET_NET_STATS GET_NET_STATS64
+#define GET_64BIT_NET_STATS(ctr) \
+ GET_64BIT_NET_STATS64(bp->stats_blk->ctr)
#else
-#define GET_NET_STATS GET_NET_STATS32
+#define GET_64BIT_NET_STATS(ctr) \
+ GET_64BIT_NET_STATS32(bp->stats_blk->ctr)
#endif
+#define GET_32BIT_NET_STATS(ctr) \
+ (unsigned long) (bp->stats_blk->ctr)
+
static struct net_device_stats *
bnx2_get_stats(struct net_device *dev)
{
struct bnx2 *bp = netdev_priv(dev);
- struct statistics_block *stats_blk = bp->stats_blk;
struct net_device_stats *net_stats = &dev->stats;
if (bp->stats_blk == NULL) {
return net_stats;
}
net_stats->rx_packets =
- GET_NET_STATS(stats_blk->stat_IfHCInUcastPkts) +
- GET_NET_STATS(stats_blk->stat_IfHCInMulticastPkts) +
- GET_NET_STATS(stats_blk->stat_IfHCInBroadcastPkts);
+ GET_64BIT_NET_STATS(stat_IfHCInUcastPkts) +
+ GET_64BIT_NET_STATS(stat_IfHCInMulticastPkts) +
+ GET_64BIT_NET_STATS(stat_IfHCInBroadcastPkts);
net_stats->tx_packets =
- GET_NET_STATS(stats_blk->stat_IfHCOutUcastPkts) +
- GET_NET_STATS(stats_blk->stat_IfHCOutMulticastPkts) +
- GET_NET_STATS(stats_blk->stat_IfHCOutBroadcastPkts);
+ GET_64BIT_NET_STATS(stat_IfHCOutUcastPkts) +
+ GET_64BIT_NET_STATS(stat_IfHCOutMulticastPkts) +
+ GET_64BIT_NET_STATS(stat_IfHCOutBroadcastPkts);
net_stats->rx_bytes =
- GET_NET_STATS(stats_blk->stat_IfHCInOctets);
+ GET_64BIT_NET_STATS(stat_IfHCInOctets);
net_stats->tx_bytes =
- GET_NET_STATS(stats_blk->stat_IfHCOutOctets);
+ GET_64BIT_NET_STATS(stat_IfHCOutOctets);
net_stats->multicast =
- GET_NET_STATS(stats_blk->stat_IfHCOutMulticastPkts);
+ GET_64BIT_NET_STATS(stat_IfHCOutMulticastPkts);
net_stats->collisions =
- (unsigned long) stats_blk->stat_EtherStatsCollisions;
+ GET_32BIT_NET_STATS(stat_EtherStatsCollisions);
net_stats->rx_length_errors =
- (unsigned long) (stats_blk->stat_EtherStatsUndersizePkts +
- stats_blk->stat_EtherStatsOverrsizePkts);
+ GET_32BIT_NET_STATS(stat_EtherStatsUndersizePkts) +
+ GET_32BIT_NET_STATS(stat_EtherStatsOverrsizePkts);
net_stats->rx_over_errors =
- (unsigned long) (stats_blk->stat_IfInFTQDiscards +
- stats_blk->stat_IfInMBUFDiscards);
+ GET_32BIT_NET_STATS(stat_IfInFTQDiscards) +
+ GET_32BIT_NET_STATS(stat_IfInMBUFDiscards);
net_stats->rx_frame_errors =
- (unsigned long) stats_blk->stat_Dot3StatsAlignmentErrors;
+ GET_32BIT_NET_STATS(stat_Dot3StatsAlignmentErrors);
net_stats->rx_crc_errors =
- (unsigned long) stats_blk->stat_Dot3StatsFCSErrors;
+ GET_32BIT_NET_STATS(stat_Dot3StatsFCSErrors);
net_stats->rx_errors = net_stats->rx_length_errors +
net_stats->rx_over_errors + net_stats->rx_frame_errors +
net_stats->rx_crc_errors;
net_stats->tx_aborted_errors =
- (unsigned long) (stats_blk->stat_Dot3StatsExcessiveCollisions +
- stats_blk->stat_Dot3StatsLateCollisions);
+ GET_32BIT_NET_STATS(stat_Dot3StatsExcessiveCollisions) +
+ GET_32BIT_NET_STATS(stat_Dot3StatsLateCollisions);
if ((CHIP_NUM(bp) == CHIP_NUM_5706) ||
(CHIP_ID(bp) == CHIP_ID_5708_A0))
net_stats->tx_carrier_errors = 0;
else {
net_stats->tx_carrier_errors =
- (unsigned long)
- stats_blk->stat_Dot3StatsCarrierSenseErrors;
+ GET_32BIT_NET_STATS(stat_Dot3StatsCarrierSenseErrors);
}
net_stats->tx_errors =
- (unsigned long)
- stats_blk->stat_emac_tx_stat_dot3statsinternalmactransmiterrors
- +
+ GET_32BIT_NET_STATS(stat_emac_tx_stat_dot3statsinternalmactransmiterrors) +
net_stats->tx_aborted_errors +
net_stats->tx_carrier_errors;
net_stats->rx_missed_errors =
- (unsigned long) (stats_blk->stat_IfInFTQDiscards +
- stats_blk->stat_IfInMBUFDiscards + stats_blk->stat_FwRxDrop);
+ GET_32BIT_NET_STATS(stat_IfInFTQDiscards) +
+ GET_32BIT_NET_STATS(stat_IfInMBUFDiscards) +
+ GET_32BIT_NET_STATS(stat_FwRxDrop);
return net_stats;
}
--
1.6.4.GIT
--
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