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authorMichael Chan <mchan@broadcom.com>2006-06-12 22:16:13 -0700
committerDavid S. Miller <davem@sunset.davemloft.net>2006-06-17 21:30:40 -0700
commitcea94db9b496d7fe25bbd3ebd0f24afaac2069d5 (patch)
treee425453a1f5fcc28c4db9c750f825161a58d03ac /drivers
parentbc726a71d2799f0f8b68a17f49d86aa030f64abc (diff)
downloadblackbird-op-linux-cea94db9b496d7fe25bbd3ebd0f24afaac2069d5.tar.gz
blackbird-op-linux-cea94db9b496d7fe25bbd3ebd0f24afaac2069d5.zip
[BNX2]: Add an rx drop counter
Add a counter for packets dropped by firmware. Signed-off-by: Michael Chan <mchan@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/net/bnx2.c14
-rw-r--r--drivers/net/bnx2.h3
2 files changed, 14 insertions, 3 deletions
diff --git a/drivers/net/bnx2.c b/drivers/net/bnx2.c
index 7a1fb52d5cba..7ffda643c802 100644
--- a/drivers/net/bnx2.c
+++ b/drivers/net/bnx2.c
@@ -4034,6 +4034,8 @@ bnx2_timer(unsigned long data)
msg = (u32) ++bp->fw_drv_pulse_wr_seq;
REG_WR_IND(bp, bp->shmem_base + BNX2_DRV_PULSE_MB, msg);
+ bp->stats_blk->stat_FwRxDrop = REG_RD_IND(bp, BNX2_FW_RX_DROP_COUNT);
+
if ((bp->phy_flags & PHY_SERDES_FLAG) &&
(CHIP_NUM(bp) == CHIP_NUM_5706)) {
@@ -4504,6 +4506,10 @@ bnx2_get_stats(struct net_device *dev)
net_stats->tx_aborted_errors +
net_stats->tx_carrier_errors;
+ net_stats->rx_missed_errors =
+ (unsigned long) (stats_blk->stat_IfInMBUFDiscards +
+ stats_blk->stat_FwRxDrop);
+
return net_stats;
}
@@ -4986,7 +4992,7 @@ bnx2_set_rx_csum(struct net_device *dev, u32 data)
return 0;
}
-#define BNX2_NUM_STATS 45
+#define BNX2_NUM_STATS 46
static struct {
char string[ETH_GSTRING_LEN];
@@ -5036,6 +5042,7 @@ static struct {
{ "rx_mac_ctrl_frames" },
{ "rx_filtered_packets" },
{ "rx_discards" },
+ { "rx_fw_discards" },
};
#define STATS_OFFSET32(offset_name) (offsetof(struct statistics_block, offset_name) / 4)
@@ -5086,6 +5093,7 @@ static const unsigned long bnx2_stats_offset_arr[BNX2_NUM_STATS] = {
STATS_OFFSET32(stat_MacControlFramesReceived),
STATS_OFFSET32(stat_IfInFramesL2FilterDiscards),
STATS_OFFSET32(stat_IfInMBUFDiscards),
+ STATS_OFFSET32(stat_FwRxDrop),
};
/* stat_IfHCInBadOctets and stat_Dot3StatsCarrierSenseErrors are
@@ -5096,7 +5104,7 @@ static u8 bnx2_5706_stats_len_arr[BNX2_NUM_STATS] = {
4,0,4,4,4,4,4,4,4,4,
4,4,4,4,4,4,4,4,4,4,
4,4,4,4,4,4,4,4,4,4,
- 4,4,4,4,4,
+ 4,4,4,4,4,4,
};
static u8 bnx2_5708_stats_len_arr[BNX2_NUM_STATS] = {
@@ -5104,7 +5112,7 @@ static u8 bnx2_5708_stats_len_arr[BNX2_NUM_STATS] = {
4,4,4,4,4,4,4,4,4,4,
4,4,4,4,4,4,4,4,4,4,
4,4,4,4,4,4,4,4,4,4,
- 4,4,4,4,4,
+ 4,4,4,4,4,4,
};
#define BNX2_NUM_TESTS 6
diff --git a/drivers/net/bnx2.h b/drivers/net/bnx2.h
index b87925f6a228..ea1ab06046d7 100644
--- a/drivers/net/bnx2.h
+++ b/drivers/net/bnx2.h
@@ -231,6 +231,7 @@ struct statistics_block {
u32 stat_GenStat13;
u32 stat_GenStat14;
u32 stat_GenStat15;
+ u32 stat_FwRxDrop;
};
@@ -3481,6 +3482,8 @@ struct l2_fhdr {
#define BNX2_COM_SCRATCH 0x00120000
+#define BNX2_FW_RX_DROP_COUNT 0x00120084
+
/*
* cp_reg definition
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