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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: Or Har-Toov <ohartoov@nvidia.com>
Reviewed-by: Avihai Horon <avihaih@nvidia.com>
Reviewed-by: Leon Romanovsky <leonro@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
This commit is contained in:
Or Har-Toov 2023-03-23 18:11:50 +02:00 committed by Saeed Mahameed
parent 0bd2e6fc78
commit c8013a1f71
2 changed files with 32 additions and 1 deletions
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10
Documentation/networking/device_drivers/ethernet/mellanox/mlx5/counters.rst
View File

@ -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.

23
drivers/net/ethernet/mellanox/mlx5/core/en_stats.c
View File

@ -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;
}