diff options
| author |   Matan Barak <matanb@mellanox.com> | 2015-03-30 17:45:25 +0300 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2015-03-31 16:36:51 -0400 |
| commit | 0b131561a7d639abb0a194d2d8fae839ce3b99e9 (patch) | |
| tree | 88b2bbfd63a14c35d47c9eb2cf57748d8fe173a3 /drivers/net/ethernet/mellanox/mlx4/mlx4_stats.h | |
| parent | net/mlx4_en: Protect access to the statistics bitmap (diff) | |
| download | wireguard-linux-0b131561a7d639abb0a194d2d8fae839ce3b99e9.tar.xz wireguard-linux-0b131561a7d639abb0a194d2d8fae839ce3b99e9.zip | |
net/mlx4_en: Add Flow control statistics display via ethtool
Flow control per priority and Global pause counters are now visible via
ethtool. The counters shows statistics regarding pauses in the device.
Signed-off-by: Matan Barak <matanb@mellanox.com>
Signed-off-by: Shani Michaeli <shanim@mellanox.com>
Signed-off-by: Eran Ben Elisha <eranbe@mellanox.com>
Signed-off-by: Hadar Hen Zion <hadarh@mellanox.com>
Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/mellanox/mlx4/mlx4_stats.h')
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlx4/mlx4_stats.h | 52 |
1 files changed, 51 insertions, 1 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx4/mlx4_stats.h b/drivers/net/ethernet/mellanox/mlx4/mlx4_stats.h index d7183e30b40b..e193680fb527 100644 --- a/drivers/net/ethernet/mellanox/mlx4/mlx4_stats.h +++ b/drivers/net/ethernet/mellanox/mlx4/mlx4_stats.h @@ -42,8 +42,58 @@ struct mlx4_en_perf_stats { }; #define NUM_MAIN_STATS 21 + +#define MLX4_NUM_PRIORITIES 8 + +struct mlx4_en_flow_stats_rx { + u64 rx_pause; + u64 rx_pause_duration; + u64 rx_pause_transition; +#define NUM_FLOW_STATS_RX 3 +#define NUM_FLOW_PRIORITY_STATS_RX (NUM_FLOW_STATS_RX * \ + MLX4_NUM_PRIORITIES) +}; + +struct mlx4_en_flow_stats_tx { + u64 tx_pause; + u64 tx_pause_duration; + u64 tx_pause_transition; +#define NUM_FLOW_STATS_TX 3 +#define NUM_FLOW_PRIORITY_STATS_TX (NUM_FLOW_STATS_TX * \ + MLX4_NUM_PRIORITIES) +}; + +#define NUM_FLOW_STATS (NUM_FLOW_STATS_RX + NUM_FLOW_STATS_TX + \ + NUM_FLOW_PRIORITY_STATS_TX + \ + NUM_FLOW_PRIORITY_STATS_RX) + +struct mlx4_en_stat_out_flow_control_mbox { + /* Total number of PAUSE frames received from the far-end port */ + __be64 rx_pause; + /* Total number of microseconds that far-end port requested to pause + * transmission of packets + */ + __be64 rx_pause_duration; + /* Number of received transmission from XOFF state to XON state */ + __be64 rx_pause_transition; + /* Total number of PAUSE frames sent from the far-end port */ + __be64 tx_pause; + /* Total time in microseconds that transmission of packets has been + * paused + */ + __be64 tx_pause_duration; + /* Number of transmitter transitions from XOFF state to XON state */ + __be64 tx_pause_transition; + /* Reserverd */ + __be64 reserved[2]; +}; + +enum { + MLX4_DUMP_ETH_STATS_FLOW_CONTROL = 1 << 12 +}; + #define NUM_ALL_STATS (NUM_MAIN_STATS + NUM_PORT_STATS + NUM_PKT_STATS + \ - NUM_PERF_STATS) + NUM_FLOW_STATS + NUM_PERF_STATS) #define MLX4_FIND_NETDEV_STAT(n) (offsetof(struct net_device_stats, n) / \ sizeof(((struct net_device_stats *)0)->n)) |