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[RFC,net-next,06/27] mlx5: Fail attempts to use routes with nexthop objects

Message ID 20190601033618.27702-7-dsahern@kernel.org
State RFC
Delegated to: David Miller
Headers show
Series nexthops: Final patches | expand

Commit Message

David Ahern June 1, 2019, 3:35 a.m. UTC 
From: David Ahern <dsahern@gmail.com>

Fail attempts to use nexthop objects with routes until support can be
properly added.

Signed-off-by: David Ahern <dsahern@gmail.com>
---
 drivers/net/ethernet/mellanox/mlx5/core/lag_mp.c | 4 ++++
 1 file changed, 4 insertions(+)
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Patch

diff --git a/drivers/net/ethernet/mellanox/mlx5/core/lag_mp.c b/drivers/net/ethernet/mellanox/mlx5/core/lag_mp.c
index 2cbfaa8da7fc..e69766393990 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/lag_mp.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/lag_mp.c
@@ -262,6 +262,10 @@  static int mlx5_lag_fib_event(struct notifier_block *nb,
 		fen_info = container_of(info, struct fib_entry_notifier_info,
 					info);
 		fi = fen_info->fi;
+		if (fi->nh) {
+			NL_SET_ERR_MSG_MOD(info->extack, "IPv4 route with nexthop objects is not supported");
+			return notifier_from_errno(-EINVAL);
+		}
 		fib_dev = fib_info_nh(fen_info->fi, 0)->fib_nh_dev;
 		if (fib_dev != ldev->pf[0].netdev &&
 		    fib_dev != ldev->pf[1].netdev) {