From cea94db9b496d7fe25bbd3ebd0f24afaac2069d5 Mon Sep 17 00:00:00 2001 From: Michael Chan Date: Mon, 12 Jun 2006 22:16:13 -0700 Subject: [BNX2]: Add an rx drop counter Add a counter for packets dropped by firmware. Signed-off-by: Michael Chan Signed-off-by: David S. Miller --- drivers/net/bnx2.c | 14 +++++++++++--- drivers/net/bnx2.h | 3 +++ 2 files changed, 14 insertions(+), 3 deletions(-) (limited to 'drivers/net') diff --git a/drivers/net/bnx2.c b/drivers/net/bnx2.c index 7a1fb52..7ffda64 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 b87925f6..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 -- cgit v1.1