diff mbox series

[net-next,04/11] net/mlx5e: SHAMPO: Improve hw gro capability checking

Message ID 20250116215530.158886-5-saeed@kernel.org (mailing list archive)
State Deferred
Delegated to: Netdev Maintainers
Headers show
Series [net-next,01/11] net: Kconfig NET_DEVMEM selects GENERIC_ALLOCATOR | expand

Checks

Context Check Description
netdev/series_format success Pull request is its own cover letter
netdev/tree_selection success Clearly marked for net-next
netdev/ynl success Generated files up to date; no warnings/errors; no diff in generated;
netdev/fixes_present success Fixes tag not required for -next series
netdev/header_inline success No static functions without inline keyword in header files
netdev/build_32bit success Errors and warnings before: 0 this patch: 0
netdev/build_tools success No tools touched, skip
netdev/cc_maintainers warning 1 maintainers not CCed: andrew+netdev@lunn.ch
netdev/build_clang success Errors and warnings before: 1 this patch: 1
netdev/verify_signedoff success Signed-off-by tag matches author and committer
netdev/deprecated_api success None detected
netdev/check_selftest success No net selftest shell script
netdev/verify_fixes success No Fixes tag
netdev/build_allmodconfig_warn success Errors and warnings before: 0 this patch: 0
netdev/checkpatch warning WARNING: line length of 81 exceeds 80 columns
netdev/build_clang_rust success No Rust files in patch. Skipping build
netdev/kdoc success Errors and warnings before: 0 this patch: 0
netdev/source_inline success Was 0 now: 0

Commit Message

Saeed Mahameed Jan. 16, 2025, 9:55 p.m. UTC 
From: Saeed Mahameed <saeedm@nvidia.com>

Add missing HW capabilities, declare the feature in
netdev->vlan_features, similar to other features in mlx5e_build_nic_netdev.
No functional change here as all by default disabled features are
explicitly disabled at the bottom of the function.

Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
Reviewed-by: Dragos Tatulea <dtatulea@nvidia.com>
Reviewed-by: Tariq Toukan <tariqt@nvidia.com>
---
 drivers/net/ethernet/mellanox/mlx5/core/en_main.c | 13 +++++++------
 1 file changed, 7 insertions(+), 6 deletions(-)
diff mbox series

Patch

diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c
index 73947df91a33..66d1b3fe3134 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c
@@ -77,7 +77,8 @@ 
 
 static bool mlx5e_hw_gro_supported(struct mlx5_core_dev *mdev)
 {
-	if (!MLX5_CAP_GEN(mdev, shampo))
+	if (!MLX5_CAP_GEN(mdev, shampo) ||
+	    !MLX5_CAP_SHAMPO(mdev, shampo_header_split_data_merge))
 		return false;
 
 	/* Our HW-GRO implementation relies on "KSM Mkey" for
@@ -5508,17 +5509,17 @@  static void mlx5e_build_nic_netdev(struct net_device *netdev)
 						   MLX5E_MPWRQ_UMR_MODE_ALIGNED))
 		netdev->vlan_features    |= NETIF_F_LRO;
 
+	if (mlx5e_hw_gro_supported(mdev) &&
+	    mlx5e_check_fragmented_striding_rq_cap(mdev, PAGE_SHIFT,
+						   MLX5E_MPWRQ_UMR_MODE_ALIGNED))
+		netdev->vlan_features |= NETIF_F_GRO_HW;
+
 	netdev->hw_features       = netdev->vlan_features;
 	netdev->hw_features      |= NETIF_F_HW_VLAN_CTAG_TX;
 	netdev->hw_features      |= NETIF_F_HW_VLAN_CTAG_RX;
 	netdev->hw_features      |= NETIF_F_HW_VLAN_CTAG_FILTER;
 	netdev->hw_features      |= NETIF_F_HW_VLAN_STAG_TX;
 
-	if (mlx5e_hw_gro_supported(mdev) &&
-	    mlx5e_check_fragmented_striding_rq_cap(mdev, PAGE_SHIFT,
-						   MLX5E_MPWRQ_UMR_MODE_ALIGNED))
-		netdev->hw_features    |= NETIF_F_GRO_HW;
-
 	if (mlx5e_tunnel_any_tx_proto_supported(mdev)) {
 		netdev->hw_enc_features |= NETIF_F_HW_CSUM;
 		netdev->hw_enc_features |= NETIF_F_TSO;