From: Roi Dayan <roid@nvidia.com>
Date: Sun, 1 Aug 2021 15:47:46 +0300
Subject: net/mlx5e: Avoid creating tunnel headers for local route
Patch-mainline: v5.14-rc6
Git-commit: c623c95afa56bf4bf64e4f58742dc94616ef83db
References: git-fixes
It could be local and remote are on the same machine and the route
result will be a local route which will result in creating encap id
with src/dst mac address of 0.
Fixes: a54e20b4fcae ("net/mlx5e: Add basic TC tunnel set action for SRIOV offloads")
Signed-off-by: Roi Dayan <roid@nvidia.com>
Reviewed-by: Maor Dickman <maord@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
Acked-by: Thomas Bogendoerfer <tbogendoerfer@suse.de>
---
drivers/net/ethernet/mellanox/mlx5/core/en/tc_tun.c | 5 +++++
1 file changed, 5 insertions(+)
--- a/drivers/net/ethernet/mellanox/mlx5/core/en/tc_tun.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en/tc_tun.c
@@ -97,6 +97,11 @@ static int mlx5e_route_lookup_ipv4(struc
if (ret)
return ret;
+ if (rt->rt_type != RTN_UNICAST) {
+ ip_rt_put(rt);
+ return -ENETUNREACH;
+ }
+
if (mlx5_lag_is_multipath(mdev) && rt->rt_gw_family != AF_INET) {
ip_rt_put(rt);
return -ENETUNREACH;