diff options
| -rw-r--r-- | drivers/net/vrf.c | 2 | ||||
| -rw-r--r-- | net/ipv4/route.c | 4 | ||||
| -rw-r--r-- | net/l3mdev/l3mdev.c | 17 |
3 files changed, 19 insertions, 4 deletions
diff --git a/drivers/net/vrf.c b/drivers/net/vrf.c index 4b2461ae5d3b..c8db55aa8280 100644 --- a/drivers/net/vrf.c +++ b/drivers/net/vrf.c @@ -648,6 +648,8 @@ static int vrf_get_saddr(struct net_device *dev, struct flowi4 *fl4) fl4->flowi4_flags |= FLOWI_FLAG_SKIP_NH_OIF; fl4->flowi4_iif = LOOPBACK_IFINDEX; + /* make sure oif is set to VRF device for lookup */ + fl4->flowi4_oif = dev->ifindex; fl4->flowi4_tos = tos & IPTOS_RT_MASK; fl4->flowi4_scope = ((tos & RTO_ONLINK) ? RT_SCOPE_LINK : RT_SCOPE_UNIVERSE); diff --git a/net/ipv4/route.c b/net/ipv4/route.c index 8c8c655bb2c4..a1f2830d8110 100644 --- a/net/ipv4/route.c +++ b/net/ipv4/route.c @@ -2146,6 +2146,7 @@ struct rtable *__ip_route_output_key_hash(struct net *net, struct flowi4 *fl4, unsigned int flags = 0; struct fib_result res; struct rtable *rth; + int master_idx; int orig_oif; int err = -ENETUNREACH; @@ -2155,6 +2156,9 @@ struct rtable *__ip_route_output_key_hash(struct net *net, struct flowi4 *fl4, orig_oif = fl4->flowi4_oif; + master_idx = l3mdev_master_ifindex_by_index(net, fl4->flowi4_oif); + if (master_idx) + fl4->flowi4_oif = master_idx; fl4->flowi4_iif = LOOPBACK_IFINDEX; fl4->flowi4_tos = tos & IPTOS_RT_MASK; fl4->flowi4_scope = ((tos & RTO_ONLINK) ? diff --git a/net/l3mdev/l3mdev.c b/net/l3mdev/l3mdev.c index 898d01e0f87b..6651a78e100c 100644 --- a/net/l3mdev/l3mdev.c +++ b/net/l3mdev/l3mdev.c @@ -112,12 +112,18 @@ struct dst_entry *l3mdev_get_rt6_dst(struct net *net, struct dst_entry *dst = NULL; struct net_device *dev; - dev = dev_get_by_index(net, fl6->flowi6_oif); - if (dev) { - if (netif_is_l3_master(dev) && + if (fl6->flowi6_oif) { + rcu_read_lock(); + + dev = dev_get_by_index_rcu(net, fl6->flowi6_oif); + if (dev && netif_is_l3_slave(dev)) + dev = netdev_master_upper_dev_get_rcu(dev); + + if (dev && netif_is_l3_master(dev) && dev->l3mdev_ops->l3mdev_get_rt6_dst) dst = dev->l3mdev_ops->l3mdev_get_rt6_dst(dev, fl6); - dev_put(dev); + + rcu_read_unlock(); } return dst; @@ -141,6 +147,9 @@ int l3mdev_get_saddr(struct net *net, int ifindex, struct flowi4 *fl4) rcu_read_lock(); dev = dev_get_by_index_rcu(net, ifindex); + if (dev && netif_is_l3_slave(dev)) + dev = netdev_master_upper_dev_get_rcu(dev); + if (dev && netif_is_l3_master(dev) && dev->l3mdev_ops->l3mdev_get_saddr) rc = dev->l3mdev_ops->l3mdev_get_saddr(dev, fl4); |