From: "Michael Chan" <mchan@broadcom.com>
To: davem@davemloft.net
Cc: netdev@vger.kernel.org
Subject: [PATCH 2.6.18 1/6] bnx2: Add an rx drop counter
Date: Mon, 12 Jun 2006 17:17:03 -0700 [thread overview]
Message-ID: <1150157824.26173.6.camel@rh4> (raw)
Add a counter for packets dropped by firmware.
Signed-off-by: Michael Chan <mchan@broadcom.com>
diff --git a/drivers/net/bnx2.c b/drivers/net/bnx2.c
index 7a1fb52..1a5f7a8 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,
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_of
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_N
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_N
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 b87925f..ea1ab06 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
next reply other threads:[~2006-06-13 0:20 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-06-13 0:17 Michael Chan [this message]
2006-06-13 5:16 ` [PATCH 2.6.18 1/6] bnx2: Add an rx drop counter David Miller
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