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Message-ID: <20240911201757.1505453-15-saeed@kernel.org>
Date: Wed, 11 Sep 2024 13:17:56 -0700
From: Saeed Mahameed <saeed@...nel.org>
To: "David S. Miller" <davem@...emloft.net>,
Jakub Kicinski <kuba@...nel.org>,
Paolo Abeni <pabeni@...hat.com>,
Eric Dumazet <edumazet@...gle.com>
Cc: Saeed Mahameed <saeedm@...dia.com>,
netdev@...r.kernel.org,
Tariq Toukan <tariqt@...dia.com>,
Gal Pressman <gal@...dia.com>,
Leon Romanovsky <leonro@...dia.com>,
Dragos Tatulea <dtatulea@...dia.com>
Subject: [net-next 14/15] net/mlx5e: SHAMPO, Add no-split ethtool counters for header/data split
From: Dragos Tatulea <dtatulea@...dia.com>
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@...dia.com>
Signed-off-by: Tariq Toukan <tariqt@...dia.com>
Signed-off-by: Saeed Mahameed <saeedm@...dia.com>
---
.../ethernet/mellanox/mlx5/counters.rst | 16 ++++++++++++++++
drivers/net/ethernet/mellanox/mlx5/core/en_rx.c | 3 +++
.../net/ethernet/mellanox/mlx5/core/en_stats.c | 6 ++++++
.../net/ethernet/mellanox/mlx5/core/en_stats.h | 4 ++++
4 files changed, 29 insertions(+)
diff --git a/Documentation/networking/device_drivers/ethernet/mellanox/mlx5/counters.rst b/Documentation/networking/device_drivers/ethernet/mellanox/mlx5/counters.rst
index 3bd72577af9a..99d95be4d159 100644
--- a/Documentation/networking/device_drivers/ethernet/mellanox/mlx5/counters.rst
+++ b/Documentation/networking/device_drivers/ethernet/mellanox/mlx5/counters.rst
@@ -218,6 +218,22 @@ the software port.
[#accel]_.
- Informative
+ * - `rx[i]_hds_nosplit_packets`
+ - Number of packets that were not split in header/data split mode. A
+ packet will not get split when the hardware does not support its
+ protocol splitting. An example such a protocol is ICMPv4/v6. Currently
+ TCP and UDP with IPv4/IPv6 are supported for header/data split
+ [#accel]_.
+ - Informative
+
+ * - `rx[i]_hds_nosplit_bytes`
+ - Number of bytes for packets that were not split in header/data split
+ mode. A packet will not get split when the hardware does not support its
+ protocol splitting. An example such a protocol is ICMPv4/v6. Currently
+ TCP and UDP with IPv4/IPv6 are supported for header/data split
+ [#accel]_.
+ - Informative
+
* - `rx[i]_lro_packets`
- The number of LRO packets received on ring i [#accel]_.
- Acceleration
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;
--
2.46.0
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