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authorBen Hutchings <bhutchings@solarflare.com>2011-02-18 19:14:13 +0000
committerBen Hutchings <bhutchings@solarflare.com>2011-02-28 23:57:24 +0000
commit119226c563be011c6396c6a2d268d1ca7e467bd3 (patch)
tree6c96d4691d354cea92e435915293a56e1f9bcb8b
parent0a6f40c66ba388e6349a11bea146955716c4d492 (diff)
sfc: Expose TX push and TSO counters through ethtool statistics
Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
-rw-r--r--drivers/net/sfc/ethtool.c21
1 files changed, 20 insertions, 1 deletions
diff --git a/drivers/net/sfc/ethtool.c b/drivers/net/sfc/ethtool.c
index 52fa661aede9..158d5b5630b6 100644
--- a/drivers/net/sfc/ethtool.c
+++ b/drivers/net/sfc/ethtool.c
@@ -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;
}
}
}