diff options
Diffstat (limited to 'net/ipv4/ipmr.c')
| -rw-r--r-- | net/ipv4/ipmr.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/net/ipv4/ipmr.c b/net/ipv4/ipmr.c index fb99002c3d4e..c71bcc42d66d 100644 --- a/net/ipv4/ipmr.c +++ b/net/ipv4/ipmr.c @@ -837,6 +837,7 @@ static void ipmr_update_thresholds(struct mr_table *mrt, struct mr_mfc *cache, static int vif_add(struct net *net, struct mr_table *mrt, struct vifctl *vifc, int mrtsock) { + const struct net_device_ops *ops; int vifi = vifc->vifc_vifi; struct switchdev_attr attr = { .id = SWITCHDEV_ATTR_ID_PORT_PARENT_ID, @@ -920,7 +921,12 @@ static int vif_add(struct net *net, struct mr_table *mrt, (VIFF_TUNNEL | VIFF_REGISTER)); attr.orig_dev = dev; - if (!switchdev_port_attr_get(dev, &attr)) { + ops = dev->netdev_ops; + if (ops->ndo_get_port_parent_id && + !dev_get_port_parent_id(dev, &attr.u.ppid, true)) { + memcpy(v->dev_parent_id.id, attr.u.ppid.id, attr.u.ppid.id_len); + v->dev_parent_id.id_len = attr.u.ppid.id_len; + } else if (!switchdev_port_attr_get(dev, &attr)) { memcpy(v->dev_parent_id.id, attr.u.ppid.id, attr.u.ppid.id_len); v->dev_parent_id.id_len = attr.u.ppid.id_len; } else { |