diff options
Diffstat (limited to 'sys/net/if.c')
| -rw-r--r-- | sys/net/if.c | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/sys/net/if.c b/sys/net/if.c index 36c0d03..c0ff443 100644 --- a/sys/net/if.c +++ b/sys/net/if.c @@ -1414,6 +1414,59 @@ ifa_free(struct ifaddr *ifa) } } +int +ifa_add_loopback_route(struct ifaddr *ifa, struct sockaddr *ia) +{ + int error = 0; + struct rtentry *rt = NULL; + struct rt_addrinfo info; + static struct sockaddr_dl null_sdl = {sizeof(null_sdl), AF_LINK}; + + bzero(&info, sizeof(info)); + info.rti_ifp = V_loif; + info.rti_flags = ifa->ifa_flags | RTF_HOST | RTF_STATIC; + info.rti_info[RTAX_DST] = ia; + info.rti_info[RTAX_GATEWAY] = (struct sockaddr *)&null_sdl; + error = rtrequest1_fib(RTM_ADD, &info, &rt, 0); + + if (error == 0 && rt != NULL) { + RT_LOCK(rt); + ((struct sockaddr_dl *)rt->rt_gateway)->sdl_type = + rt->rt_ifp->if_type; + ((struct sockaddr_dl *)rt->rt_gateway)->sdl_index = + rt->rt_ifp->if_index; + RT_REMREF(rt); + RT_UNLOCK(rt); + } else if (error != 0) + log(LOG_INFO, "ifa_add_loopback_route: insertion failed\n"); + + return (error); +} + +int +ifa_del_loopback_route(struct ifaddr *ifa, struct sockaddr *ia) +{ + int error = 0; + struct rt_addrinfo info; + struct sockaddr_dl null_sdl; + + bzero(&null_sdl, sizeof(null_sdl)); + null_sdl.sdl_len = sizeof(null_sdl); + null_sdl.sdl_family = AF_LINK; + 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_info[RTAX_DST] = ia; + info.rti_info[RTAX_GATEWAY] = (struct sockaddr *)&null_sdl; + error = rtrequest1_fib(RTM_DELETE, &info, NULL, 0); + + if (error != 0) + log(LOG_INFO, "ifa_del_loopback_route: deletion failed\n"); + + return (error); +} + /* * XXX: Because sockaddr_dl has deeper structure than the sockaddr * structs used to represent other address families, it is necessary |
