diff options
| -rw-r--r-- | net/ipv4/devinet.c | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/net/ipv4/devinet.c b/net/ipv4/devinet.c index 18d510fa7ee2..8c3df2ccba45 100644 --- a/net/ipv4/devinet.c +++ b/net/ipv4/devinet.c @@ -1217,6 +1217,23 @@ __be32 inet_select_addr(const struct net_device *dev, __be32 dst, int scope) no_in_dev: master_idx = l3mdev_master_ifindex_rcu(dev); + /* For VRFs, the VRF device takes the place of the loopback device, + * with addresses on it being preferred. Note in such cases the + * loopback device will be among the devices that fail the master_idx + * equality check in the loop below. + */ + if (master_idx && + (dev = dev_get_by_index_rcu(net, master_idx)) && + (in_dev = __in_dev_get_rcu(dev))) { + for_primary_ifa(in_dev) { + if (ifa->ifa_scope != RT_SCOPE_LINK && + ifa->ifa_scope <= scope) { + addr = ifa->ifa_local; + goto out_unlock; + } + } endfor_ifa(in_dev); + } + /* Not loopback addresses on loopback should be preferred in this case. It is important that lo is the first interface in dev_base list. |