netdev - [PATCH net-next 07/18] mlxsw: spectrum_router: Add underlay RIF ID support

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Date:   Sun, 20 Jan 2019 06:50:47 +0000
From:   Ido Schimmel <idosch@...lanox.com>
To:     "netdev@...r.kernel.org" <netdev@...r.kernel.org>
CC:     "davem@...emloft.net" <davem@...emloft.net>,
        Jiri Pirko <jiri@...lanox.com>, Nir Dotan <nird@...lanox.com>,
        mlxsw <mlxsw@...lanox.com>, Ido Schimmel <idosch@...lanox.com>
Subject: [PATCH net-next 07/18] mlxsw: spectrum_router: Add underlay RIF ID
 support

From: Nir Dotan <nird@...lanox.com>

Spectrum-2 GRE tunnels underlay should be given not only the virtual router
information for an encapsulated packet lookup, but also an underlay RIF
object which belongs to a virtual router.

Therefore add ul_rif_id field in struct mlxsw_sp_rif_ipip_lb, to be used
later in Spectrum-2 underlay RIF implementation. This field complements
ul_vr_id field, already present and defined as reserved for Spectrum-2.

Signed-off-by: Nir Dotan <nird@...lanox.com>
Reviewed-by: Petr Machata <petrm@...lanox.com>
Signed-off-by: Ido Schimmel <idosch@...lanox.com>
---
 drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c
index 1cac38365503..c9dbef5ed6e3 100644
--- a/drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c
+++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c
@@ -120,6 +120,7 @@ struct mlxsw_sp_rif_ipip_lb {
 	struct mlxsw_sp_rif common;
 	struct mlxsw_sp_rif_ipip_lb_config lb_config;
 	u16 ul_vr_id; /* Reserved for Spectrum-2. */
+	u16 ul_rif_id; /* Reserved for Spectrum. */
 };
 
 struct mlxsw_sp_rif_params_ipip_lb {
@@ -1468,14 +1469,13 @@ static int mlxsw_sp_netdevice_ipip_ol_update_mtu(struct mlxsw_sp *mlxsw_sp,
 {
 	struct mlxsw_sp_ipip_entry *ipip_entry;
 	struct mlxsw_sp_rif_ipip_lb *lb_rif;
-	struct mlxsw_sp_vr *ul_vr;
 	int err = 0;
 
 	ipip_entry = mlxsw_sp_ipip_entry_find_by_ol_dev(mlxsw_sp, ol_dev);
 	if (ipip_entry) {
 		lb_rif = ipip_entry->ol_lb;
-		ul_vr = &mlxsw_sp->router->vrs[lb_rif->ul_vr_id];
-		err = mlxsw_sp_rif_ipip_lb_op(lb_rif, ul_vr->id, 0, true);
+		err = mlxsw_sp_rif_ipip_lb_op(lb_rif, lb_rif->ul_vr_id,
+					      lb_rif->ul_rif_id, true);
 		if (err)
 			goto out;
 		lb_rif->common.mtu = ol_dev->mtu;
@@ -7442,6 +7442,7 @@ mlxsw_sp1_rif_ipip_lb_configure(struct mlxsw_sp_rif *rif)
 		goto err_loopback_op;
 
 	lb_rif->ul_vr_id = ul_vr->id;
+	lb_rif->ul_rif_id = 0;
 	++ul_vr->rif_count;
 	return 0;
 
-- 
2.20.1