netdev - [PATCH net-next V2 04/11] net/mlx5e: SHAMPO: Remove redundant params

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Message-ID: <1747950086-1246773-5-git-send-email-tariqt@nvidia.com>
Date: Fri, 23 May 2025 00:41:19 +0300
From: Tariq Toukan <tariqt@...dia.com>
To: "David S. Miller" <davem@...emloft.net>, Jakub Kicinski <kuba@...nel.org>,
	Paolo Abeni <pabeni@...hat.com>, Eric Dumazet <edumazet@...gle.com>, "Andrew
 Lunn" <andrew+netdev@...n.ch>
CC: Saeed Mahameed <saeedm@...dia.com>, Leon Romanovsky <leon@...nel.org>,
	Tariq Toukan <tariqt@...dia.com>, Richard Cochran <richardcochran@...il.com>,
	Alexei Starovoitov <ast@...nel.org>, Daniel Borkmann <daniel@...earbox.net>,
	Jesper Dangaard Brouer <hawk@...nel.org>, John Fastabend
	<john.fastabend@...il.com>, <netdev@...r.kernel.org>,
	<linux-rdma@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
	<bpf@...r.kernel.org>, Moshe Shemesh <moshe@...dia.com>, Mark Bloch
	<mbloch@...dia.com>, Gal Pressman <gal@...dia.com>, Cosmin Ratiu
	<cratiu@...dia.com>, Dragos Tatulea <dtatulea@...dia.com>
Subject: [PATCH net-next V2 04/11] net/mlx5e: SHAMPO: Remove redundant params

From: Saeed Mahameed <saeedm@...dia.com>

Two SHAMPO params are static and always the same, remove them from the
global mlx5e_params struct.

Signed-off-by: Saeed Mahameed <saeedm@...dia.com>
Reviewed-by: Dragos Tatulea <dtatulea@...dia.com>
Signed-off-by: Cosmin Ratiu <cratiu@...dia.com>
Signed-off-by: Tariq Toukan <tariqt@...dia.com>
---
 drivers/net/ethernet/mellanox/mlx5/core/en.h  |  4 ---
 .../ethernet/mellanox/mlx5/core/en/params.c   | 36 ++++++++++---------
 .../net/ethernet/mellanox/mlx5/core/en_main.c |  4 ---
 3 files changed, 20 insertions(+), 24 deletions(-)

diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en.h b/drivers/net/ethernet/mellanox/mlx5/core/en.h
index 211ea429ea89..581eef34f512 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en.h
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en.h
@@ -278,10 +278,6 @@ enum packet_merge {
 struct mlx5e_packet_merge_param {
 	enum packet_merge type;
 	u32 timeout;
-	struct {
-		u8 match_criteria_type;
-		u8 alignment_granularity;
-	} shampo;
 };
 
 struct mlx5e_params {
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en/params.c b/drivers/net/ethernet/mellanox/mlx5/core/en/params.c
index 58ec5e44aa7a..fc945bce933a 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en/params.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en/params.c
@@ -901,6 +901,7 @@ int mlx5e_build_rq_param(struct mlx5_core_dev *mdev,
 {
 	void *rqc = param->rqc;
 	void *wq = MLX5_ADDR_OF(rqc, rqc, wq);
+	u32 lro_timeout;
 	int ndsegs = 1;
 	int err;
 
@@ -926,22 +927,25 @@ int mlx5e_build_rq_param(struct mlx5_core_dev *mdev,
 		MLX5_SET(wq, wq, log_wqe_stride_size,
 			 log_wqe_stride_size - MLX5_MPWQE_LOG_STRIDE_SZ_BASE);
 		MLX5_SET(wq, wq, log_wq_sz, mlx5e_mpwqe_get_log_rq_size(mdev, params, xsk));
-		if (params->packet_merge.type == MLX5E_PACKET_MERGE_SHAMPO) {
-			MLX5_SET(wq, wq, shampo_enable, true);
-			MLX5_SET(wq, wq, log_reservation_size,
-				 mlx5e_shampo_get_log_rsrv_size(mdev, params));
-			MLX5_SET(wq, wq,
-				 log_max_num_of_packets_per_reservation,
-				 mlx5e_shampo_get_log_pkt_per_rsrv(mdev, params));
-			MLX5_SET(wq, wq, log_headers_entry_size,
-				 mlx5e_shampo_get_log_hd_entry_size(mdev, params));
-			MLX5_SET(rqc, rqc, reservation_timeout,
-				 mlx5e_choose_lro_timeout(mdev, MLX5E_DEFAULT_SHAMPO_TIMEOUT));
-			MLX5_SET(rqc, rqc, shampo_match_criteria_type,
-				 params->packet_merge.shampo.match_criteria_type);
-			MLX5_SET(rqc, rqc, shampo_no_match_alignment_granularity,
-				 params->packet_merge.shampo.alignment_granularity);
-		}
+		if (params->packet_merge.type != MLX5E_PACKET_MERGE_SHAMPO)
+			break;
+
+		MLX5_SET(wq, wq, shampo_enable, true);
+		MLX5_SET(wq, wq, log_reservation_size,
+			 mlx5e_shampo_get_log_rsrv_size(mdev, params));
+		MLX5_SET(wq, wq,
+			 log_max_num_of_packets_per_reservation,
+			 mlx5e_shampo_get_log_pkt_per_rsrv(mdev, params));
+		MLX5_SET(wq, wq, log_headers_entry_size,
+			 mlx5e_shampo_get_log_hd_entry_size(mdev, params));
+		lro_timeout =
+			mlx5e_choose_lro_timeout(mdev,
+						 MLX5E_DEFAULT_SHAMPO_TIMEOUT);
+		MLX5_SET(rqc, rqc, reservation_timeout, lro_timeout);
+		MLX5_SET(rqc, rqc, shampo_match_criteria_type,
+			 MLX5_RQC_SHAMPO_MATCH_CRITERIA_TYPE_EXTENDED);
+		MLX5_SET(rqc, rqc, shampo_no_match_alignment_granularity,
+			 MLX5_RQC_SHAMPO_NO_MATCH_ALIGNMENT_GRANULARITY_STRIDE);
 		break;
 	}
 	default: /* MLX5_WQ_TYPE_CYCLIC */
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c
index 3d11c9f87171..e1e44533b744 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c
@@ -4040,10 +4040,6 @@ static int set_feature_hw_gro(struct net_device *netdev, bool enable)
 
 	if (enable) {
 		new_params.packet_merge.type = MLX5E_PACKET_MERGE_SHAMPO;
-		new_params.packet_merge.shampo.match_criteria_type =
-			MLX5_RQC_SHAMPO_MATCH_CRITERIA_TYPE_EXTENDED;
-		new_params.packet_merge.shampo.alignment_granularity =
-			MLX5_RQC_SHAMPO_NO_MATCH_ALIGNMENT_GRANULARITY_STRIDE;
 	} else if (new_params.packet_merge.type == MLX5E_PACKET_MERGE_SHAMPO) {
 		new_params.packet_merge.type = MLX5E_PACKET_MERGE_NONE;
 	} else {
-- 
2.31.1