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be2net: add new counters to display via ethtool stats
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New counters:
	> jabber frame stats
	> red drop stats

Signed-off-by: Ajit Khaparde <ajit.khaparde@emulex.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Ajit Khaparde authored and David S. Miller committed Feb 22, 2011
1 parent 2a3bcfd commit f6c4bf3
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Showing 2 changed files with 21 additions and 4 deletions.
12 changes: 10 additions & 2 deletions drivers/net/benet/be_cmds.h
Original file line number Diff line number Diff line change
Expand Up @@ -619,7 +619,10 @@ struct be_rxf_stats {
u32 rx_drops_invalid_ring; /* dword 145*/
u32 forwarded_packets; /* dword 146*/
u32 rx_drops_mtu; /* dword 147*/
u32 rsvd0[15];
u32 rsvd0[7];
u32 port0_jabber_events;
u32 port1_jabber_events;
u32 rsvd1[6];
};

struct be_erx_stats {
Expand All @@ -630,11 +633,16 @@ struct be_erx_stats {
u32 debug_pmem_pbuf_dealloc; /* dword 47*/
};

struct be_pmem_stats {
u32 eth_red_drops;
u32 rsvd[4];
};

struct be_hw_stats {
struct be_rxf_stats rxf;
u32 rsvd[48];
struct be_erx_stats erx;
u32 rsvd1[6];
struct be_pmem_stats pmem;
};

struct be_cmd_req_get_stats {
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13 changes: 11 additions & 2 deletions drivers/net/benet/be_ethtool.c
Original file line number Diff line number Diff line change
Expand Up @@ -26,7 +26,8 @@ struct be_ethtool_stat {
int offset;
};

enum {NETSTAT, PORTSTAT, MISCSTAT, DRVSTAT_TX, DRVSTAT_RX, ERXSTAT};
enum {NETSTAT, PORTSTAT, MISCSTAT, DRVSTAT_TX, DRVSTAT_RX, ERXSTAT,
PMEMSTAT};
#define FIELDINFO(_struct, field) FIELD_SIZEOF(_struct, field), \
offsetof(_struct, field)
#define NETSTAT_INFO(field) #field, NETSTAT,\
Expand All @@ -43,6 +44,8 @@ enum {NETSTAT, PORTSTAT, MISCSTAT, DRVSTAT_TX, DRVSTAT_RX, ERXSTAT};
field)
#define ERXSTAT_INFO(field) #field, ERXSTAT,\
FIELDINFO(struct be_erx_stats, field)
#define PMEMSTAT_INFO(field) #field, PMEMSTAT,\
FIELDINFO(struct be_pmem_stats, field)

static const struct be_ethtool_stat et_stats[] = {
{NETSTAT_INFO(rx_packets)},
Expand Down Expand Up @@ -99,7 +102,10 @@ static const struct be_ethtool_stat et_stats[] = {
{MISCSTAT_INFO(rx_drops_too_many_frags)},
{MISCSTAT_INFO(rx_drops_invalid_ring)},
{MISCSTAT_INFO(forwarded_packets)},
{MISCSTAT_INFO(rx_drops_mtu)}
{MISCSTAT_INFO(rx_drops_mtu)},
{MISCSTAT_INFO(port0_jabber_events)},
{MISCSTAT_INFO(port1_jabber_events)},
{PMEMSTAT_INFO(eth_red_drops)}
};
#define ETHTOOL_STATS_NUM ARRAY_SIZE(et_stats)

Expand Down Expand Up @@ -276,6 +282,9 @@ be_get_ethtool_stats(struct net_device *netdev,
case MISCSTAT:
p = &hw_stats->rxf;
break;
case PMEMSTAT:
p = &hw_stats->pmem;
break;
}

p = (u8 *)p + et_stats[i].offset;
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