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sfc: add statistics for ARFS

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Report the number of successful and failed insertions, and also the
 current count of filters, to aid in tuning e.g. rps_flow_cnt.

Signed-off-by: Edward Cree <ecree@solarflare.com>
Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
This commit is contained in:
Edward Cree
2019-11-22 17:57:27 +00:00
committed by Jakub Kicinski
parent 0aa6608dae
commit ca70bd423f
3 changed files with 12 additions and 0 deletions
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6
drivers/net/ethernet/sfc/ethtool.c
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@@ -56,6 +56,9 @@ static u64 efx_get_atomic_stat(void *field)
#define EFX_ETHTOOL_UINT_CHANNEL_STAT(field) \
EFX_ETHTOOL_STAT(field, channel, n_##field, \
unsigned int, efx_get_uint_stat)
#define EFX_ETHTOOL_UINT_CHANNEL_STAT_NO_N(field) \
EFX_ETHTOOL_STAT(field, channel, field, \
unsigned int, efx_get_uint_stat)
#define EFX_ETHTOOL_UINT_TXQ_STAT(field) \
EFX_ETHTOOL_STAT(tx_##field, tx_queue, field, \
@@ -87,6 +90,9 @@ static const struct efx_sw_stat_desc efx_sw_stat_desc[] = {
EFX_ETHTOOL_UINT_CHANNEL_STAT(rx_xdp_bad_drops),
EFX_ETHTOOL_UINT_CHANNEL_STAT(rx_xdp_tx),
EFX_ETHTOOL_UINT_CHANNEL_STAT(rx_xdp_redirect),
EFX_ETHTOOL_UINT_CHANNEL_STAT_NO_N(rfs_filter_count),
EFX_ETHTOOL_UINT_CHANNEL_STAT(rfs_succeeded),
EFX_ETHTOOL_UINT_CHANNEL_STAT(rfs_failed),
};
#define EFX_ETHTOOL_SW_STAT_COUNT ARRAY_SIZE(efx_sw_stat_desc)