loopback routes pinned by commit r326012 for FreeBSD 10 cannot be deleted

[Eugene Grosbein]

24.02.2018 3:12, Andreas Longwitz wrote:

> Also the loopback route can not be deleted manually:
> 
> route delete 10.0.0.100 -->
> route: writing to routing socket: Address already in use
> delete host 10.0.0.100 fib 0: gateway uses the same route

Please test the follwoind patch for the kernel:

--- sys/net/if.c.orig	2018-02-24 08:00:34.578670000 +0700
+++ sys/net/if.c	2018-02-24 11:07:57.014318000 +0700
@@ -1699,7 +1699,7 @@ ifa_del_loopback_route(struct ifaddr *if
 	null_sdl.sdl_type = ifa->ifa_ifp->if_type;
 	null_sdl.sdl_index = ifa->ifa_ifp->if_index;
 	bzero(&info, sizeof(info));
-	info.rti_flags = ifa->ifa_flags | RTF_HOST | RTF_STATIC;
+	info.rti_flags = ifa->ifa_flags | RTF_HOST | RTF_STATIC | RTF_PINNED;
 	info.rti_info[RTAX_DST] = ia;
 	info.rti_info[RTAX_GATEWAY] = (struct sockaddr *)&null_sdl;
 	error = rtrequest1_fib(RTM_DELETE, &info, NULL, ifa->ifa_ifp->if_fib);