[PATCH net-next V3 3/5] net/mlx5e: Report RX HW-GRO netdev stats

Tariq Toukan
2026-05-04T18:38:22Z

Report RX hardware GRO statistics via the netdev queue stats API by
mapping the existing gro_packets, gro_bytes and gro_skbs counters to the
hw_gro_wire_packets, hw_gro_wire_bytes and hw_gro_packets fields.

Signed-off-by: Gal Pressman <gal@nvidia.com>
Signed-off-by: Tariq Toukan <tariqt@nvidia.com>
---
drivers/net/ethernet/mellanox/mlx5/core/en_main.c | 14 ++++++++++++++
1 file changed, 14 insertions(+)

diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c
index f3a936d5a62d..a8b55af21ec0 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c
@@ -5500,6 +5500,11 @@ static void mlx5e_get_queue_stats_rx(struct net_device *dev, int i,
stats->bytes = rq_stats->bytes + xskrq_stats->bytes;
stats->alloc_fail = rq_stats->buff_alloc_err +
xskrq_stats->buff_alloc_err;
+
+ stats->hw_gro_packets = rq_stats->gro_skbs + xskrq_stats->gro_skbs;
+ stats->hw_gro_wire_packets =
+ rq_stats->gro_packets + xskrq_stats->gro_packets;
+ stats->hw_gro_wire_bytes = rq_stats->gro_bytes + xskrq_stats->gro_bytes;
}

static void mlx5e_get_queue_stats_tx(struct net_device *dev, int i,
@@ -5536,6 +5541,9 @@ static void mlx5e_get_base_stats(struct net_device *dev,
rx->packets = 0;
rx->bytes = 0;
rx->alloc_fail = 0;
+ rx->hw_gro_packets = 0;
+ rx->hw_gro_wire_packets = 0;
+ rx->hw_gro_wire_bytes = 0;

for (i = priv->channels.params.num_channels; i < priv->stats_nch; i++) {
struct netdev_queue_stats_rx rx_i = {0};
@@ -5545,6 +5553,9 @@ static void mlx5e_get_base_stats(struct net_device *dev,
rx->packets += rx_i.packets;
rx->bytes += rx_i.bytes;
rx->alloc_fail += rx_i.alloc_fail;
+ rx->hw_gro_packets += rx_i.hw_gro_packets;
+ rx->hw_gro_wire_packets += rx_i.hw_gro_wire_packets;
+ rx->hw_gro_wire_bytes += rx_i.hw_gro_wire_bytes;
}

/* always report PTP RX stats from base as there is no
@@ -5556,6 +5567,9 @@ static void mlx5e_get_base_stats(struct net_device *dev,

rx->packets += rq_stats->packets;
rx->bytes += rq_stats->bytes;
+ rx->hw_gro_packets += rq_stats->gro_skbs;
+ rx->hw_gro_wire_packets += rq_stats->gro_packets;
+ rx->hw_gro_wire_bytes += rq_stats->gro_bytes;
}
}

--
2.44.0