From: Paul Blakey <paulb@mellanox.com>
Date: Thu, 12 Mar 2020 12:23:11 +0200
Subject: net/mlx5: E-Switch, Add support for offloading rules with no in_port
Patch-mainline: v5.7-rc1
Git-commit: 6fb0701a9cfa248f1c1e5dfde15c4d79bb1bdc69
References: jsc#SLE-15172

FTEs in global tables may match on packets from multiple in_ports.
Provide the capability to omit the in_port match condition.

Signed-off-by: Paul Blakey <paulb@mellanox.com>
Reviewed-by: Oz Shlomo <ozsh@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Acked-by: Thomas Bogendoerfer <tbogendoerfer@suse.de>
---
 drivers/net/ethernet/mellanox/mlx5/core/eswitch.h          |    1 +
 drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c |    4 +++-
 2 files changed, 4 insertions(+), 1 deletion(-)

--- a/drivers/net/ethernet/mellanox/mlx5/core/eswitch.h
+++ b/drivers/net/ethernet/mellanox/mlx5/core/eswitch.h
@@ -391,6 +391,7 @@ enum {
 enum {
 	MLX5_ESW_ATTR_FLAG_VLAN_HANDLED  = BIT(0),
 	MLX5_ESW_ATTR_FLAG_SLOW_PATH     = BIT(1),
+	MLX5_ESW_ATTR_FLAG_NO_IN_PORT    = BIT(2),
 };
 
 struct mlx5_esw_flow_attr {
--- a/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c
@@ -388,7 +388,9 @@ mlx5_eswitch_add_offloaded_rule(struct m
 							attr->prio, 0);
 		else
 			fdb = attr->fdb;
-		mlx5_eswitch_set_rule_source_port(esw, spec, attr);
+
+		if (!(attr->flags & MLX5_ESW_ATTR_FLAG_NO_IN_PORT))
+			mlx5_eswitch_set_rule_source_port(esw, spec, attr);
 	}
 	if (IS_ERR(fdb)) {
 		rule = ERR_CAST(fdb);