diff options
| -rw-r--r-- | net/ipv6/addrconf.c | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c index a2d6f6c242af..b1169d511ab4 100644 --- a/net/ipv6/addrconf.c +++ b/net/ipv6/addrconf.c @@ -3170,9 +3170,35 @@ static void addrconf_gre_config(struct net_device *dev) } #endif +#if IS_ENABLED(CONFIG_NET_L3_MASTER_DEV) +/* If the host route is cached on the addr struct make sure it is associated + * with the proper table. e.g., enslavement can change and if so the cached + * host route needs to move to the new table. + */ +static void l3mdev_check_host_rt(struct inet6_dev *idev, + struct inet6_ifaddr *ifp) +{ + if (ifp->rt) { + u32 tb_id = l3mdev_fib_table(idev->dev) ? : RT6_TABLE_LOCAL; + + if (tb_id != ifp->rt->rt6i_table->tb6_id) { + ip6_del_rt(ifp->rt); + ifp->rt = NULL; + } + } +} +#else +static void l3mdev_check_host_rt(struct inet6_dev *idev, + struct inet6_ifaddr *ifp) +{ +} +#endif + static int fixup_permanent_addr(struct inet6_dev *idev, struct inet6_ifaddr *ifp) { + l3mdev_check_host_rt(idev, ifp); + if (!ifp->rt) { struct rt6_info *rt; |