| 259 | #endif |
| 260 | |
| 261 | struct nd_ifinfo * |
| 262 | nd6_ifattach(struct ifnet *ifp) |
| 263 | { |
| 264 | struct nd_ifinfo *nd; |
| 265 | |
| 266 | nd = malloc(sizeof(*nd), M_IP6NDP, M_WAITOK | M_ZERO); |
| 267 | nd->initialized = 1; |
| 268 | |
| 269 | nd->chlim = IPV6_DEFHLIM; |
| 270 | nd->basereachable = REACHABLE_TIME; |
| 271 | nd->reachable = ND_COMPUTE_RTIME(nd->basereachable); |
| 272 | nd->retrans = RETRANS_TIMER; |
| 273 | |
| 274 | nd->flags = ND6_IFF_PERFORMNUD; |
| 275 | |
| 276 | /* Set IPv6 disabled on all interfaces but loopback by default. */ |
| 277 | if ((ifp->if_flags & IFF_LOOPBACK) == 0) |
| 278 | nd->flags |= ND6_IFF_IFDISABLED; |
| 279 | |
| 280 | /* A loopback interface always has ND6_IFF_AUTO_LINKLOCAL. |
| 281 | * XXXHRS: Clear ND6_IFF_AUTO_LINKLOCAL on an IFT_BRIDGE interface by |
| 282 | * default regardless of the V_ip6_auto_linklocal configuration to |
| 283 | * give a reasonable default behavior. |
| 284 | */ |
| 285 | if ((V_ip6_auto_linklocal && ifp->if_type != IFT_BRIDGE) || |
| 286 | (ifp->if_flags & IFF_LOOPBACK)) |
| 287 | nd->flags |= ND6_IFF_AUTO_LINKLOCAL; |
| 288 | /* |
| 289 | * A loopback interface does not need to accept RTADV. |
| 290 | * XXXHRS: Clear ND6_IFF_ACCEPT_RTADV on an IFT_BRIDGE interface by |
| 291 | * default regardless of the V_ip6_accept_rtadv configuration to |
| 292 | * prevent the interface from accepting RA messages arrived |
| 293 | * on one of the member interfaces with ND6_IFF_ACCEPT_RTADV. |
| 294 | */ |
| 295 | if (V_ip6_accept_rtadv && |
| 296 | !(ifp->if_flags & IFF_LOOPBACK) && |
| 297 | (ifp->if_type != IFT_BRIDGE)) { |
| 298 | nd->flags |= ND6_IFF_ACCEPT_RTADV; |
| 299 | /* If we globally accept rtadv, assume IPv6 on. */ |
| 300 | nd->flags &= ~ND6_IFF_IFDISABLED; |
| 301 | } |
| 302 | if (V_ip6_no_radr && !(ifp->if_flags & IFF_LOOPBACK)) |
| 303 | nd->flags |= ND6_IFF_NO_RADR; |
| 304 | |
| 305 | /* XXX: we cannot call nd6_setmtu since ifp is not fully initialized */ |
| 306 | nd6_setmtu0(ifp, nd); |
| 307 | |
| 308 | return nd; |
| 309 | } |
| 310 | |
| 311 | void |
| 312 | nd6_ifdetach(struct ifnet *ifp, struct nd_ifinfo *nd) |
no test coverage detected