Commit c8013a1f authored by Or Har-Toov's avatar Or Har-Toov Committed by Saeed Mahameed
Browse files

net/mlx5e: Add local loopback counter to vport stats 



Add counter for number of unicast, multicast and broadcast packets/
octets that were loopback.

Signed-off-by: default avatarOr Har-Toov <ohartoov@nvidia.com>
Reviewed-by: default avatarAvihai Horon <avihaih@nvidia.com>
Reviewed-by: default avatarLeon Romanovsky <leonro@nvidia.com>
Signed-off-by: default avatarSaeed Mahameed <saeedm@nvidia.com>
parent 0bd2e6fc

Documentation/networking/device_drivers/ethernet/mellanox/mlx5/counters.rst

+10 −0
Original line number Diff line number Diff line
@@ -797,6 +797,16 @@ Counters on the NIC port that is connected to a eSwitch. 
       RoCE/UD/RC traffic) [#accel]_.

     - Acceleration



   * - `vport_loopback_packets`

     - Unicast, multicast and broadcast packets that were loop-back (received

       and transmitted), IB/Eth  [#accel]_.

     - Acceleration



   * - `vport_loopback_bytes`

     - Unicast, multicast and broadcast bytes that were loop-back (received

       and transmitted), IB/Eth  [#accel]_.

     - Acceleration



   * - `rx_steer_missed_packets`

     - Number of packets that was received by the NIC, however was discarded

       because it did not match any flow in the NIC flow table.

drivers/net/ethernet/mellanox/mlx5/core/en_stats.c

+22 −1
Original line number Diff line number Diff line
@@ -748,11 +748,22 @@ static const struct counter_desc vport_stats_desc[] = { 
		VPORT_COUNTER_OFF(transmitted_ib_multicast.octets) },

};



static const struct counter_desc vport_loopback_stats_desc[] = {

	{ "vport_loopback_packets",

		VPORT_COUNTER_OFF(local_loopback.packets) },

	{ "vport_loopback_bytes",

		VPORT_COUNTER_OFF(local_loopback.octets) },

};



#define NUM_VPORT_COUNTERS		ARRAY_SIZE(vport_stats_desc)

#define NUM_VPORT_LOOPBACK_COUNTERS(dev) \

	(MLX5_CAP_GEN(dev, vport_counter_local_loopback) ? \

	 ARRAY_SIZE(vport_loopback_stats_desc) : 0)



static MLX5E_DECLARE_STATS_GRP_OP_NUM_STATS(vport)

{

	return NUM_VPORT_COUNTERS;

	return NUM_VPORT_COUNTERS +

		NUM_VPORT_LOOPBACK_COUNTERS(priv->mdev);

}



static MLX5E_DECLARE_STATS_GRP_OP_FILL_STRS(vport)
@@ -761,6 +772,11 @@ static MLX5E_DECLARE_STATS_GRP_OP_FILL_STRS(vport) 


	for (i = 0; i < NUM_VPORT_COUNTERS; i++)

		strcpy(data + (idx++) * ETH_GSTRING_LEN, vport_stats_desc[i].format);



	for (i = 0; i < NUM_VPORT_LOOPBACK_COUNTERS(priv->mdev); i++)

		strcpy(data + (idx++) * ETH_GSTRING_LEN,

		       vport_loopback_stats_desc[i].format);



	return idx;

}
@@ -771,6 +787,11 @@ static MLX5E_DECLARE_STATS_GRP_OP_FILL_STATS(vport) 
	for (i = 0; i < NUM_VPORT_COUNTERS; i++)

		data[idx++] = MLX5E_READ_CTR64_BE(priv->stats.vport.query_vport_out,

						  vport_stats_desc, i);



	for (i = 0; i < NUM_VPORT_LOOPBACK_COUNTERS(priv->mdev); i++)

		data[idx++] = MLX5E_READ_CTR64_BE(priv->stats.vport.query_vport_out,

						  vport_loopback_stats_desc, i);



	return idx;

}