netdev - [patch net-next v2 5/9] mlxsw: spectrum_router: Associate RIFs with correct VR

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Date:   Wed, 15 Mar 2017 12:05:08 +0100
From:   Jiri Pirko <jiri@...nulli.us>
To:     netdev@...r.kernel.org
Cc:     davem@...emloft.net, idosch@...lanox.com, mlxsw@...lanox.com,
        dsa@...ulusnetworks.com, shm@...ulusnetworks.com,
        kuznet@....inr.ac.ru, jmorris@...ei.org, yoshfuji@...ux-ipv6.org,
        kaber@...sh.net, lorenzo@...gle.com, mateusz.bajorski@...ia.com
Subject: [patch net-next v2 5/9] mlxsw: spectrum_router: Associate RIFs with correct VR

From: Ido Schimmel <idosch@...lanox.com>

When a router interface (RIF) is created due to a netdev being enslaved
to a VRF master, then it should be associated with the appropriate
virtual router (VR) and not the default one.

If netdev is a VRF slave, lookup the VR based on the VRF's table ID.
Otherwise default to the MAIN table.

Signed-off-by: Ido Schimmel <idosch@...lanox.com>
Signed-off-by: Jiri Pirko <jiri@...lanox.com>
---
 drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c
index 7a714d4..c29713a 100644
--- a/drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c
+++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c
@@ -46,6 +46,7 @@
 #include <net/arp.h>
 #include <net/ip_fib.h>
 #include <net/fib_rules.h>
+#include <net/l3mdev.h>
 
 #include "spectrum.h"
 #include "core.h"
@@ -2771,6 +2772,7 @@ mlxsw_sp_vport_rif_sp_create(struct mlxsw_sp_port *mlxsw_sp_vport,
 			     struct net_device *l3_dev)
 {
 	struct mlxsw_sp *mlxsw_sp = mlxsw_sp_vport->mlxsw_sp;
+	u32 tb_id = l3mdev_fib_table(l3_dev);
 	struct mlxsw_sp_vr *vr;
 	struct mlxsw_sp_fid *f;
 	struct mlxsw_sp_rif *r;
@@ -2781,7 +2783,7 @@ mlxsw_sp_vport_rif_sp_create(struct mlxsw_sp_port *mlxsw_sp_vport,
 	if (rif == MLXSW_SP_INVALID_RIF)
 		return ERR_PTR(-ERANGE);
 
-	vr = mlxsw_sp_vr_get(mlxsw_sp, RT_TABLE_MAIN);
+	vr = mlxsw_sp_vr_get(mlxsw_sp, tb_id ? : RT_TABLE_MAIN);
 	if (IS_ERR(vr))
 		return ERR_CAST(vr);
 
@@ -3019,6 +3021,7 @@ static int mlxsw_sp_rif_bridge_create(struct mlxsw_sp *mlxsw_sp,
 				      struct net_device *l3_dev,
 				      struct mlxsw_sp_fid *f)
 {
+	u32 tb_id = l3mdev_fib_table(l3_dev);
 	struct mlxsw_sp_vr *vr;
 	struct mlxsw_sp_rif *r;
 	u16 rif;
@@ -3028,7 +3031,7 @@ static int mlxsw_sp_rif_bridge_create(struct mlxsw_sp *mlxsw_sp,
 	if (rif == MLXSW_SP_INVALID_RIF)
 		return -ERANGE;
 
-	vr = mlxsw_sp_vr_get(mlxsw_sp, RT_TABLE_MAIN);
+	vr = mlxsw_sp_vr_get(mlxsw_sp, tb_id ? : RT_TABLE_MAIN);
 	if (IS_ERR(vr))
 		return PTR_ERR(vr);
 
-- 
2.7.4