diff options
Diffstat (limited to 'sys/netinet6/in6.c')
| -rw-r--r-- | sys/netinet6/in6.c | 43 |
1 files changed, 21 insertions, 22 deletions
diff --git a/sys/netinet6/in6.c b/sys/netinet6/in6.c index 9a5a6ed..db1db84 100644 --- a/sys/netinet6/in6.c +++ b/sys/netinet6/in6.c @@ -155,29 +155,28 @@ in6_ifaddloop(struct ifaddr *ifa) ia = ifa2ia6(ifa); ifp = ifa->ifa_ifp; - if (nd6_need_cache(ifp) == 0) - return; - IF_AFDATA_LOCK(ifp); - ifa->ifa_rtrequest = nd6_rtrequest; - ln = lla_lookup(LLTABLE6(ifp), (LLE_CREATE | LLE_IFADDR | - LLE_EXCLUSIVE), (struct sockaddr *)&ia->ia_addr); - IF_AFDATA_UNLOCK(ifp); - if (ln != NULL) { - ln->la_expire = 0; /* for IPv6 this means permanent */ - ln->ln_state = ND6_LLINFO_REACHABLE; - /* - * initialize for rtmsg generation - */ - bzero(&gateway, sizeof(gateway)); - gateway.sdl_len = sizeof(gateway); - gateway.sdl_family = AF_LINK; - gateway.sdl_nlen = 0; - gateway.sdl_alen = 6; - memcpy(gateway.sdl_data, &ln->ll_addr.mac_aligned, - sizeof(ln->ll_addr)); - LLE_WUNLOCK(ln); + /* + * initialize for rtmsg generation + */ + bzero(&gateway, sizeof(gateway)); + gateway.sdl_len = sizeof(gateway); + gateway.sdl_family = AF_LINK; + if (nd6_need_cache(ifp) != 0) { + IF_AFDATA_LOCK(ifp); + ifa->ifa_rtrequest = nd6_rtrequest; + ln = lla_lookup(LLTABLE6(ifp), (LLE_CREATE | LLE_IFADDR | + LLE_EXCLUSIVE), (struct sockaddr *)&ia->ia_addr); + IF_AFDATA_UNLOCK(ifp); + if (ln != NULL) { + ln->la_expire = 0; /* for IPv6 this means permanent */ + ln->ln_state = ND6_LLINFO_REACHABLE; + + gateway.sdl_alen = 6; + memcpy(gateway.sdl_data, &ln->ll_addr.mac_aligned, + sizeof(ln->ll_addr)); + LLE_WUNLOCK(ln); + } } - bzero(&rt, sizeof(rt)); rt.rt_gateway = (struct sockaddr *)&gateway; memcpy(&mask, &ia->ia_prefixmask, sizeof(ia->ia_prefixmask)); |
