net/mlx5: Enable setting minimum inline header mode for VFs

Implement the low-level part of the PF side in setting minimum
inline header mode for VFs.

Signed-off-by: Hadar Hen Zion <hadarh@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Signed-off-by: Leon Romanovsky <leon@kernel.org>

3 files changed, 23 insertions, 1 deletions

diff --git a/drivers/net/ethernet/mellanox/mlx5/core/vport.c b/drivers/net/ethernet/mellanox/mlx5/core/vport.c
index 3593bf78caf4..525f17af108e 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/vport.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/vport.c
@@ -125,6 +125,26 @@ void mlx5_query_nic_vport_min_inline(struct mlx5_core_dev *mdev,
 }
 EXPORT_SYMBOL_GPL(mlx5_query_nic_vport_min_inline);
 
+int mlx5_modify_nic_vport_min_inline(struct mlx5_core_dev *mdev,
+                                     u16 vport, u8 min_inline)
+{
+        u32 in[MLX5_ST_SZ_DW(modify_nic_vport_context_in)] = {0};
+        int inlen = MLX5_ST_SZ_BYTES(modify_nic_vport_context_in);
+        void *nic_vport_ctx;
+
+        MLX5_SET(modify_nic_vport_context_in, in,
+                 field_select.min_inline, 1);
+        MLX5_SET(modify_nic_vport_context_in, in, vport_number, vport);
+        MLX5_SET(modify_nic_vport_context_in, in, other_vport, 1);
+
+        nic_vport_ctx = MLX5_ADDR_OF(modify_nic_vport_context_in,
+                                     in, nic_vport_context);
+        MLX5_SET(nic_vport_context, nic_vport_ctx,
+                 min_wqe_inline_mode, min_inline);
+
+        return mlx5_modify_nic_vport_context(mdev, in, inlen);
+}
+
 int mlx5_query_nic_vport_mac_address(struct mlx5_core_dev *mdev,
                                      u16 vport, u8 *addr)
 {
diff --git a/include/linux/mlx5/mlx5_ifc.h b/include/linux/mlx5/mlx5_ifc.h
index cb94ac5b8420..7a8ef0af94e7 100644
--- a/include/linux/mlx5/mlx5_ifc.h
+++ b/include/linux/mlx5/mlx5_ifc.h
@@ -4724,7 +4724,7 @@ struct mlx5_ifc_modify_nic_vport_field_select_bits {
         u8         reserved_at_0[0x16];
         u8         node_guid[0x1];
         u8         port_guid[0x1];
-        u8         reserved_at_18[0x1];
+        u8         min_inline[0x1];
         u8         mtu[0x1];
         u8         change_event[0x1];
         u8         promisc[0x1];
diff --git a/include/linux/mlx5/vport.h b/include/linux/mlx5/vport.h
index e087b7d047ac..451b0bde9083 100644
--- a/include/linux/mlx5/vport.h
+++ b/include/linux/mlx5/vport.h
@@ -45,6 +45,8 @@ int mlx5_query_nic_vport_mac_address(struct mlx5_core_dev *mdev,
                                      u16 vport, u8 *addr);
 void mlx5_query_nic_vport_min_inline(struct mlx5_core_dev *mdev,
                                      u8 *min_inline);
+int mlx5_modify_nic_vport_min_inline(struct mlx5_core_dev *mdev,
+                                     u16 vport, u8 min_inline);
 int mlx5_modify_nic_vport_mac_address(struct mlx5_core_dev *dev,
                                       u16 vport, u8 *addr);
 int mlx5_query_nic_vport_mtu(struct mlx5_core_dev *mdev, u16 *mtu);