diff options
Diffstat (limited to 'sys/netinet6/nd6_rtr.c')
| -rw-r--r-- | sys/netinet6/nd6_rtr.c | 67 |
1 files changed, 37 insertions, 30 deletions
diff --git a/sys/netinet6/nd6_rtr.c b/sys/netinet6/nd6_rtr.c index c9ed36d..7b4af3c 100644 --- a/sys/netinet6/nd6_rtr.c +++ b/sys/netinet6/nd6_rtr.c @@ -58,6 +58,7 @@ __FBSDID("$FreeBSD$"); #include <net/vnet.h> #include <netinet/in.h> +#include <net/if_llatbl.h> #include <netinet6/in6_var.h> #include <netinet6/in6_ifattach.h> #include <netinet/ip6.h> @@ -471,10 +472,8 @@ defrouter_addreq(struct nd_defrouter *new) (struct sockaddr *)&gate, (struct sockaddr *)&mask, RTF_GATEWAY, &newrt); if (newrt) { - RT_LOCK(newrt); nd6_rtmsg(RTM_ADD, newrt); /* tell user process */ - RT_REMREF(newrt); - RT_UNLOCK(newrt); + RTFREE(newrt); } if (error == 0) new->installed = 1; @@ -615,8 +614,7 @@ defrouter_select(void) INIT_VNET_INET6(curvnet); int s = splnet(); struct nd_defrouter *dr, *selected_dr = NULL, *installed_dr = NULL; - struct rtentry *rt = NULL; - struct llinfo_nd6 *ln = NULL; + struct llentry *ln = NULL; /* * This function should be called only when acting as an autoconfigured @@ -648,12 +646,13 @@ defrouter_select(void) */ for (dr = TAILQ_FIRST(&V_nd_defrouter); dr; dr = TAILQ_NEXT(dr, dr_entry)) { + IF_AFDATA_LOCK(dr->ifp); if (selected_dr == NULL && - (rt = nd6_lookup(&dr->rtaddr, 0, dr->ifp)) && - (ln = (struct llinfo_nd6 *)rt->rt_llinfo) && + (ln = nd6_lookup(&dr->rtaddr, 0, dr->ifp)) && ND6_IS_LLINFO_PROBREACH(ln)) { selected_dr = dr; } + IF_AFDATA_UNLOCK(dr->ifp); if (dr->installed && installed_dr == NULL) installed_dr = dr; @@ -676,12 +675,14 @@ defrouter_select(void) selected_dr = TAILQ_FIRST(&V_nd_defrouter); else selected_dr = TAILQ_NEXT(installed_dr, dr_entry); - } else if (installed_dr && - (rt = nd6_lookup(&installed_dr->rtaddr, 0, installed_dr->ifp)) && - (ln = (struct llinfo_nd6 *)rt->rt_llinfo) && - ND6_IS_LLINFO_PROBREACH(ln) && - rtpref(selected_dr) <= rtpref(installed_dr)) { - selected_dr = installed_dr; + } else if (installed_dr) { + IF_AFDATA_LOCK(installed_dr->ifp); + if ((ln = nd6_lookup(&installed_dr->rtaddr, 0, installed_dr->ifp)) && + ND6_IS_LLINFO_PROBREACH(ln) && + rtpref(selected_dr) <= rtpref(installed_dr)) { + selected_dr = installed_dr; + } + IF_AFDATA_UNLOCK(installed_dr->ifp); } /* @@ -1323,18 +1324,19 @@ static struct nd_pfxrouter * find_pfxlist_reachable_router(struct nd_prefix *pr) { struct nd_pfxrouter *pfxrtr; - struct rtentry *rt; - struct llinfo_nd6 *ln; + struct llentry *ln; for (pfxrtr = LIST_FIRST(&pr->ndpr_advrtrs); pfxrtr; pfxrtr = LIST_NEXT(pfxrtr, pfr_entry)) { - if ((rt = nd6_lookup(&pfxrtr->router->rtaddr, 0, + IF_AFDATA_LOCK(pfxrtr->router->ifp); + if ((ln = nd6_lookup(&pfxrtr->router->rtaddr, 0, pfxrtr->router->ifp)) && - (ln = (struct llinfo_nd6 *)rt->rt_llinfo) && - ND6_IS_LLINFO_PROBREACH(ln)) + ND6_IS_LLINFO_PROBREACH(ln)) { + IF_AFDATA_UNLOCK(pfxrtr->router->ifp); break; /* found */ + } + IF_AFDATA_UNLOCK(pfxrtr->router->ifp); } - return (pfxrtr); } @@ -1541,8 +1543,10 @@ nd6_prefix_onlink(struct nd_prefix *pr) struct nd_prefix *opr; u_long rtflags; int error = 0; + struct radix_node_head *rnh; struct rtentry *rt = NULL; char ip6buf[INET6_ADDRSTRLEN]; + struct sockaddr_dl null_sdl = {sizeof(null_sdl), AF_LINK}; /* sanity check */ if ((pr->ndpr_stateflags & NDPRF_ONLINK) != 0) { @@ -1609,21 +1613,24 @@ nd6_prefix_onlink(struct nd_prefix *pr) bzero(&mask6, sizeof(mask6)); mask6.sin6_len = sizeof(mask6); mask6.sin6_addr = pr->ndpr_mask; - rtflags = ifa->ifa_flags | RTF_CLONING | RTF_UP; - if (nd6_need_cache(ifp)) { - /* explicitly set in case ifa_flags does not set the flag. */ - rtflags |= RTF_CLONING; - } else { - /* - * explicitly clear the cloning bit in case ifa_flags sets it. - */ - rtflags &= ~RTF_CLONING; - } + rtflags = ifa->ifa_flags | RTF_UP; error = rtrequest(RTM_ADD, (struct sockaddr *)&pr->ndpr_prefix, ifa->ifa_addr, (struct sockaddr *)&mask6, rtflags, &rt); if (error == 0) { - if (rt != NULL) /* this should be non NULL, though */ + if (rt != NULL) /* this should be non NULL, though */ { + rnh = V_rt_tables[rt->rt_fibnum][AF_INET6]; + RADIX_NODE_HEAD_LOCK(rnh); + RT_LOCK(rt); + if (!rt_setgate(rt, rt_key(rt), (struct sockaddr *)&null_sdl)) { + ((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; + } + RADIX_NODE_HEAD_UNLOCK(rnh); nd6_rtmsg(RTM_ADD, rt); + RT_UNLOCK(rt); + } pr->ndpr_stateflags |= NDPRF_ONLINK; } else { char ip6bufg[INET6_ADDRSTRLEN], ip6bufm[INET6_ADDRSTRLEN]; |
