net/mlx5: Expose eswitch encap mode

Add API to get the current Eswitch encap mode.
It will be used in downstream patches to check if
flow table can be created with encap support or not.

Signed-off-by: Maor Gottlieb <maorg@mellanox.com>
Reviewed-by: Petr Vorel <pvorel@suse.cz>
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Reviewed-by: Parav Pandit <parav@mellanox.com>

diff --git a/drivers/net/ethernet/mellanox/mlx5/core/eswitch.c b/drivers/net/ethernet/mellanox/mlx5/core/eswitch.c
index a4df109fbeb72707c58abed0057272a73c71153b..12010f85fa358783cf0706a430cb8cfd1b92dbc9 100644 (file)
--- a/drivers/net/ethernet/mellanox/mlx5/core/eswitch.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/eswitch.c
@@ -2457,6 +2457,17 @@ u8 mlx5_eswitch_mode(struct mlx5_eswitch *esw)
 }
 EXPORT_SYMBOL_GPL(mlx5_eswitch_mode);
 
+enum devlink_eswitch_encap_mode
+mlx5_eswitch_get_encap_mode(const struct mlx5_core_dev *dev)
+{
+       struct mlx5_eswitch *esw;
+
+       esw = dev->priv.eswitch;
+       return ESW_ALLOWED(esw) ? esw->offloads.encap :
+               DEVLINK_ESWITCH_ENCAP_MODE_NONE;
+}
+EXPORT_SYMBOL(mlx5_eswitch_get_encap_mode);
+
 bool mlx5_esw_lag_prereq(struct mlx5_core_dev *dev0, struct mlx5_core_dev *dev1)
 {
        if ((dev0->priv.eswitch->mode == SRIOV_NONE &&

diff --git a/include/linux/mlx5/eswitch.h b/include/linux/mlx5/eswitch.h
index d81ee4df181c07b16ac54a16543859d9738aba45..174eec0871d998afc74ba8f1e215dd7a2786245d 100644 (file)
--- a/include/linux/mlx5/eswitch.h
+++ b/include/linux/mlx5/eswitch.h
@@ -7,6 +7,7 @@
 #define _MLX5_ESWITCH_
 
 #include <linux/mlx5/driver.h>
+#include <net/devlink.h>
 
 #define MLX5_ESWITCH_MANAGER(mdev) MLX5_CAP_GEN(mdev, eswitch_manager)
 
@@ -62,4 +63,15 @@ u8 mlx5_eswitch_mode(struct mlx5_eswitch *esw);
 struct mlx5_flow_handle *
 mlx5_eswitch_add_send_to_vport_rule(struct mlx5_eswitch *esw,
                                    int vport, u32 sqn);
+
+#ifdef CONFIG_MLX5_ESWITCH
+enum devlink_eswitch_encap_mode
+mlx5_eswitch_get_encap_mode(const struct mlx5_core_dev *dev);
+#else  /* CONFIG_MLX5_ESWITCH */
+static inline enum devlink_eswitch_encap_mode
+mlx5_eswitch_get_encap_mode(const struct mlx5_core_dev *dev)
+{
+       return DEVLINK_ESWITCH_ENCAP_MODE_NONE;
+}
+#endif /* CONFIG_MLX5_ESWITCH */
 #endif