net/mlx5e: SHAMPO, Add no-split ethtool counters for header/data split

When SHAMPO can't identify the protocol/header of a packet, it will
yield a packet that is not split - all the packet is in the data part.
Count this value in packets and bytes.

Signed-off-by: Dragos Tatulea <dtatulea@nvidia.com>
Signed-off-by: Tariq Toukan <tariqt@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
Reviewed-by: Jacob Keller <jacob.e.keller@intel.com>
Link: https://patch.msgid.link/20240911201757.1505453-15-saeed@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>

3 files changed, 13 insertions, 0 deletions

diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_rx.c b/drivers/net/ethernet/mellanox/mlx5/core/en_rx.c
index de9d01036c28..8e24ba96c779 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_rx.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_rx.c
@@ -2346,6 +2346,9 @@ static void mlx5e_handle_rx_cqe_mpwrq_shampo(struct mlx5e_rq *rq, struct mlx5_cq
 			stats->hds_nodata_packets++;
 			stats->hds_nodata_bytes += head_size;
 		}
+	} else {
+		stats->hds_nosplit_packets++;
+		stats->hds_nosplit_bytes += data_bcnt;
 	}
 
 	mlx5e_shampo_complete_rx_cqe(rq, cqe, cqe_bcnt, *skb);
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_stats.c b/drivers/net/ethernet/mellanox/mlx5/core/en_stats.c
index e7a3290a708a..611ec4b6f370 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_stats.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_stats.c
@@ -144,6 +144,8 @@ static const struct counter_desc sw_stats_desc[] = {
 	{ MLX5E_DECLARE_STAT(struct mlx5e_sw_stats, rx_gro_large_hds) },
 	{ MLX5E_DECLARE_STAT(struct mlx5e_sw_stats, rx_hds_nodata_packets) },
 	{ MLX5E_DECLARE_STAT(struct mlx5e_sw_stats, rx_hds_nodata_bytes) },
+	{ MLX5E_DECLARE_STAT(struct mlx5e_sw_stats, rx_hds_nosplit_packets) },
+	{ MLX5E_DECLARE_STAT(struct mlx5e_sw_stats, rx_hds_nosplit_bytes) },
 	{ MLX5E_DECLARE_STAT(struct mlx5e_sw_stats, rx_ecn_mark) },
 	{ MLX5E_DECLARE_STAT(struct mlx5e_sw_stats, rx_removed_vlan_packets) },
 	{ MLX5E_DECLARE_STAT(struct mlx5e_sw_stats, rx_csum_unnecessary) },
@@ -347,6 +349,8 @@ static void mlx5e_stats_grp_sw_update_stats_rq_stats(struct mlx5e_sw_stats *s,
 	s->rx_gro_large_hds           += rq_stats->gro_large_hds;
 	s->rx_hds_nodata_packets      += rq_stats->hds_nodata_packets;
 	s->rx_hds_nodata_bytes        += rq_stats->hds_nodata_bytes;
+	s->rx_hds_nosplit_packets     += rq_stats->hds_nosplit_packets;
+	s->rx_hds_nosplit_bytes       += rq_stats->hds_nosplit_bytes;
 	s->rx_ecn_mark                += rq_stats->ecn_mark;
 	s->rx_removed_vlan_packets    += rq_stats->removed_vlan_packets;
 	s->rx_csum_none               += rq_stats->csum_none;
@@ -2062,6 +2066,8 @@ static const struct counter_desc rq_stats_desc[] = {
 	{ MLX5E_DECLARE_RX_STAT(struct mlx5e_rq_stats, gro_large_hds) },
 	{ MLX5E_DECLARE_RX_STAT(struct mlx5e_rq_stats, hds_nodata_packets) },
 	{ MLX5E_DECLARE_RX_STAT(struct mlx5e_rq_stats, hds_nodata_bytes) },
+	{ MLX5E_DECLARE_RX_STAT(struct mlx5e_rq_stats, hds_nosplit_packets) },
+	{ MLX5E_DECLARE_RX_STAT(struct mlx5e_rq_stats, hds_nosplit_bytes) },
 	{ MLX5E_DECLARE_RX_STAT(struct mlx5e_rq_stats, ecn_mark) },
 	{ MLX5E_DECLARE_RX_STAT(struct mlx5e_rq_stats, removed_vlan_packets) },
 	{ MLX5E_DECLARE_RX_STAT(struct mlx5e_rq_stats, wqe_err) },
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_stats.h b/drivers/net/ethernet/mellanox/mlx5/core/en_stats.h
index 4c5858c1dd82..5961c569cfe0 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_stats.h
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_stats.h
@@ -156,6 +156,8 @@ struct mlx5e_sw_stats {
 	u64 rx_gro_large_hds;
 	u64 rx_hds_nodata_packets;
 	u64 rx_hds_nodata_bytes;
+	u64 rx_hds_nosplit_packets;
+	u64 rx_hds_nosplit_bytes;
 	u64 rx_mcast_packets;
 	u64 rx_ecn_mark;
 	u64 rx_removed_vlan_packets;
@@ -356,6 +358,8 @@ struct mlx5e_rq_stats {
 	u64 gro_large_hds;
 	u64 hds_nodata_packets;
 	u64 hds_nodata_bytes;
+	u64 hds_nosplit_packets;
+	u64 hds_nosplit_bytes;
 	u64 mcast_packets;
 	u64 ecn_mark;
 	u64 removed_vlan_packets;