netdev - [net-next 15/15] net/mlx5: TC, Add support for SF tunnel offload

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Date:   Mon, 22 Aug 2022 22:55:33 -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>, Roi Dayan <roid@...dia.com>,
        Mark Bloch <mbloch@...dia.com>, Maor Dickman <maord@...dia.com>
Subject: [net-next 15/15] net/mlx5: TC, Add support for SF tunnel offload

From: Roi Dayan <roid@...dia.com>

VF tunnel flow already exists and SF tunnel is the
same flow.  Support offloading of tunneling over SF device
by allow to attach an encap route over SF and set to use
indirect flow table on SF.

Signed-off-by: Roi Dayan <roid@...dia.com>
Reviewed-by: Mark Bloch <mbloch@...dia.com>
Reviewed-by: Maor Dickman <maord@...dia.com>
Signed-off-by: Saeed Mahameed <saeedm@...dia.com>
---
 drivers/net/ethernet/mellanox/mlx5/core/en_tc.c           | 7 +++++--
 drivers/net/ethernet/mellanox/mlx5/core/esw/indir_table.c | 6 +++++-
 2 files changed, 10 insertions(+), 3 deletions(-)

diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c b/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c
index 0b98e117cc0a..0872a214d2a3 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c
@@ -1505,8 +1505,11 @@ bool mlx5e_tc_is_vf_tunnel(struct net_device *out_dev, struct net_device *route_
 	route_priv = netdev_priv(route_dev);
 	route_mdev = route_priv->mdev;
 
-	if (out_mdev->coredev_type != MLX5_COREDEV_PF ||
-	    route_mdev->coredev_type != MLX5_COREDEV_VF)
+	if (out_mdev->coredev_type != MLX5_COREDEV_PF)
+		return false;
+
+	if (route_mdev->coredev_type != MLX5_COREDEV_VF &&
+	    route_mdev->coredev_type != MLX5_COREDEV_SF)
 		return false;
 
 	return mlx5e_same_hw_devs(out_priv, route_priv);
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/esw/indir_table.c b/drivers/net/ethernet/mellanox/mlx5/core/esw/indir_table.c
index 0abef71cb839..c9a91158e99c 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/esw/indir_table.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/esw/indir_table.c
@@ -78,12 +78,16 @@ mlx5_esw_indir_table_needed(struct mlx5_eswitch *esw,
 			    struct mlx5_core_dev *dest_mdev)
 {
 	struct mlx5_esw_flow_attr *esw_attr = attr->esw_attr;
+	bool vf_sf_vport;
+
+	vf_sf_vport = mlx5_eswitch_is_vf_vport(esw, vport_num) ||
+		      mlx5_esw_is_sf_vport(esw, vport_num);
 
 	/* Use indirect table for all IP traffic from UL to VF with vport
 	 * destination when source rewrite flag is set.
 	 */
 	return esw_attr->in_rep->vport == MLX5_VPORT_UPLINK &&
-		mlx5_eswitch_is_vf_vport(esw, vport_num) &&
+		vf_sf_vport &&
 		esw->dev == dest_mdev &&
 		attr->ip_version &&
 		attr->flags & MLX5_ATTR_FLAG_SRC_REWRITE;
-- 
2.37.1