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path: root/drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c
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Diffstat (limited to 'drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c')
-rw-r--r--drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c78
1 files changed, 51 insertions, 27 deletions
diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c
index a9ccd974c620..1904c0323d39 100644
--- a/drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c
+++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c
@@ -1406,6 +1406,55 @@ mlxsw_sp_ipip_entry_ol_up_event(struct mlxsw_sp *mlxsw_sp,
decap_fib_entry);
}
+static int
+mlxsw_sp_rif_ipip_lb_op(struct mlxsw_sp_rif_ipip_lb *lb_rif,
+ struct mlxsw_sp_vr *ul_vr, bool enable)
+{
+ struct mlxsw_sp_rif_ipip_lb_config lb_cf = lb_rif->lb_config;
+ struct mlxsw_sp_rif *rif = &lb_rif->common;
+ struct mlxsw_sp *mlxsw_sp = rif->mlxsw_sp;
+ char ritr_pl[MLXSW_REG_RITR_LEN];
+ u32 saddr4;
+
+ switch (lb_cf.ul_protocol) {
+ case MLXSW_SP_L3_PROTO_IPV4:
+ saddr4 = be32_to_cpu(lb_cf.saddr.addr4);
+ mlxsw_reg_ritr_pack(ritr_pl, enable, MLXSW_REG_RITR_LOOPBACK_IF,
+ rif->rif_index, rif->vr_id, rif->dev->mtu);
+ mlxsw_reg_ritr_loopback_ipip4_pack(ritr_pl, lb_cf.lb_ipipt,
+ MLXSW_REG_RITR_LOOPBACK_IPIP_OPTIONS_GRE_KEY_PRESET,
+ ul_vr->id, saddr4, lb_cf.okey);
+ break;
+
+ case MLXSW_SP_L3_PROTO_IPV6:
+ return -EAFNOSUPPORT;
+ }
+
+ return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(ritr), ritr_pl);
+}
+
+static int mlxsw_sp_netdevice_ipip_ol_update_mtu(struct mlxsw_sp *mlxsw_sp,
+ struct net_device *ol_dev)
+{
+ 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, true);
+ if (err)
+ goto out;
+ lb_rif->common.mtu = ol_dev->mtu;
+ }
+
+out:
+ return err;
+}
+
static void mlxsw_sp_netdevice_ipip_ol_up_event(struct mlxsw_sp *mlxsw_sp,
struct net_device *ol_dev)
{
@@ -1686,6 +1735,8 @@ int mlxsw_sp_netdevice_ipip_ol_event(struct mlxsw_sp *mlxsw_sp,
extack = info->extack;
return mlxsw_sp_netdevice_ipip_ol_change_event(mlxsw_sp,
ol_dev, extack);
+ case NETDEV_CHANGEMTU:
+ return mlxsw_sp_netdevice_ipip_ol_update_mtu(mlxsw_sp, ol_dev);
}
return 0;
}
@@ -6910,33 +6961,6 @@ mlxsw_sp_rif_ipip_lb_setup(struct mlxsw_sp_rif *rif,
}
static int
-mlxsw_sp_rif_ipip_lb_op(struct mlxsw_sp_rif_ipip_lb *lb_rif,
- struct mlxsw_sp_vr *ul_vr, bool enable)
-{
- struct mlxsw_sp_rif_ipip_lb_config lb_cf = lb_rif->lb_config;
- struct mlxsw_sp_rif *rif = &lb_rif->common;
- struct mlxsw_sp *mlxsw_sp = rif->mlxsw_sp;
- char ritr_pl[MLXSW_REG_RITR_LEN];
- u32 saddr4;
-
- switch (lb_cf.ul_protocol) {
- case MLXSW_SP_L3_PROTO_IPV4:
- saddr4 = be32_to_cpu(lb_cf.saddr.addr4);
- mlxsw_reg_ritr_pack(ritr_pl, enable, MLXSW_REG_RITR_LOOPBACK_IF,
- rif->rif_index, rif->vr_id, rif->dev->mtu);
- mlxsw_reg_ritr_loopback_ipip4_pack(ritr_pl, lb_cf.lb_ipipt,
- MLXSW_REG_RITR_LOOPBACK_IPIP_OPTIONS_GRE_KEY_PRESET,
- ul_vr->id, saddr4, lb_cf.okey);
- break;
-
- case MLXSW_SP_L3_PROTO_IPV6:
- return -EAFNOSUPPORT;
- }
-
- return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(ritr), ritr_pl);
-}
-
-static int
mlxsw_sp_rif_ipip_lb_configure(struct mlxsw_sp_rif *rif)
{
struct mlxsw_sp_rif_ipip_lb *lb_rif = mlxsw_sp_rif_ipip_lb_rif(rif);