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sfc: Expose TX push and TSO counters through ethtool statistics

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Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
This commit is contained in:
Ben Hutchings 2011-02-18 19:14:13 +00:00
parent 0a6f40c66b
commit 119226c563
1 changed files with 20 additions and 1 deletions
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21
drivers/net/sfc/ethtool.c
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@ -28,7 +28,8 @@ struct efx_ethtool_stat {
enum {
EFX_ETHTOOL_STAT_SOURCE_mac_stats,
EFX_ETHTOOL_STAT_SOURCE_nic,
EFX_ETHTOOL_STAT_SOURCE_channel
EFX_ETHTOOL_STAT_SOURCE_channel,
EFX_ETHTOOL_STAT_SOURCE_tx_queue
} source;
unsigned offset;
u64(*get_stat) (void *field); /* Reader function */
@ -86,6 +87,10 @@ static u64 efx_get_atomic_stat(void *field)
EFX_ETHTOOL_STAT(field, channel, n_##field, \
unsigned int, efx_get_uint_stat)
#define EFX_ETHTOOL_UINT_TXQ_STAT(field) \
EFX_ETHTOOL_STAT(tx_##field, tx_queue, field, \
unsigned int, efx_get_uint_stat)
static struct efx_ethtool_stat efx_ethtool_stats[] = {
EFX_ETHTOOL_U64_MAC_STAT(tx_bytes),
EFX_ETHTOOL_U64_MAC_STAT(tx_good_bytes),
@ -116,6 +121,10 @@ static struct efx_ethtool_stat efx_ethtool_stats[] = {
EFX_ETHTOOL_ULONG_MAC_STAT(tx_non_tcpudp),
EFX_ETHTOOL_ULONG_MAC_STAT(tx_mac_src_error),
EFX_ETHTOOL_ULONG_MAC_STAT(tx_ip_src_error),
EFX_ETHTOOL_UINT_TXQ_STAT(tso_bursts),
EFX_ETHTOOL_UINT_TXQ_STAT(tso_long_headers),
EFX_ETHTOOL_UINT_TXQ_STAT(tso_packets),
EFX_ETHTOOL_UINT_TXQ_STAT(pushes),
EFX_ETHTOOL_U64_MAC_STAT(rx_bytes),
EFX_ETHTOOL_U64_MAC_STAT(rx_good_bytes),
EFX_ETHTOOL_U64_MAC_STAT(rx_bad_bytes),
@ -470,6 +479,7 @@ static void efx_ethtool_get_stats(struct net_device *net_dev,
struct efx_mac_stats *mac_stats = &efx->mac_stats;
struct efx_ethtool_stat *stat;
struct efx_channel *channel;
struct efx_tx_queue *tx_queue;
struct rtnl_link_stats64 temp;
int i;
@ -495,6 +505,15 @@ static void efx_ethtool_get_stats(struct net_device *net_dev,
data[i] += stat->get_stat((void *)channel +
stat->offset);
break;
case EFX_ETHTOOL_STAT_SOURCE_tx_queue:
data[i] = 0;
efx_for_each_channel(channel, efx) {
efx_for_each_channel_tx_queue(tx_queue, channel)
data[i] +=
stat->get_stat((void *)tx_queue
+ stat->offset);
}
break;
}
}
}