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Commit cea94db9 authored by Michael Chan's avatar Michael Chan Committed by David S. Miller
Browse files

[BNX2]: Add an rx drop counter 



Add a counter for packets dropped by firmware.

Signed-off-by: default avatarMichael Chan <mchan@broadcom.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent bc726a71

drivers/net/bnx2.c

+11 −3
Original line number Diff line number Diff line
@@ -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

drivers/net/bnx2.h

+3 −0
Original line number Diff line number Diff line
@@ -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