diff options
Diffstat (limited to 'freebsd/sys/netinet/in.c')
| -rw-r--r-- | freebsd/sys/netinet/in.c | 28 |
1 files changed, 19 insertions, 9 deletions
diff --git a/freebsd/sys/netinet/in.c b/freebsd/sys/netinet/in.c index bc7323e3..653580c7 100644 --- a/freebsd/sys/netinet/in.c +++ b/freebsd/sys/netinet/in.c @@ -970,7 +970,7 @@ in_addprefix(struct in_ifaddr *target, int flags) { struct in_ifaddr *ia; struct in_addr prefix, mask, p, m; - int error, fibnum; + int error; if ((flags & RTF_HOST) != 0) { prefix = target->ia_dstaddr.sin_addr; @@ -981,9 +981,8 @@ in_addprefix(struct in_ifaddr *target, int flags) prefix.s_addr &= mask.s_addr; } - fibnum = rt_add_addr_allfibs ? RT_ALL_FIBS : target->ia_ifp->if_fib; - IN_IFADDR_RLOCK(); + /* Look for an existing address with the same prefix, mask, and fib */ TAILQ_FOREACH(ia, &V_in_ifaddrhead, ia_link) { if (rtinitflags(ia)) { p = ia->ia_dstaddr.sin_addr; @@ -999,6 +998,8 @@ in_addprefix(struct in_ifaddr *target, int flags) mask.s_addr != m.s_addr) continue; } + if (target->ia_ifp->if_fib != ia->ia_ifp->if_fib) + continue; /* * If we got a matching prefix route inserted by other @@ -1019,6 +1020,10 @@ in_addprefix(struct in_ifaddr *target, int flags) IN_IFADDR_RUNLOCK(); return (EEXIST); } else { + int fibnum; + + fibnum = rt_add_addr_allfibs ? RT_ALL_FIBS : + target->ia_ifp->if_fib; rt_addrmsg(RTM_ADD, &target->ia_ifa, fibnum); IN_IFADDR_RUNLOCK(); return (0); @@ -1048,11 +1053,9 @@ in_scrubprefix(struct in_ifaddr *target, u_int flags) { struct in_ifaddr *ia; struct in_addr prefix, mask, p; - int error = 0, fibnum; + int error = 0; struct sockaddr_in prefix0, mask0; - fibnum = rt_add_addr_allfibs ? RT_ALL_FIBS : target->ia_ifp->if_fib; - /* * Remove the loopback route to the interface address. * The "useloopback" setting is not consulted because if the @@ -1068,10 +1071,12 @@ in_scrubprefix(struct in_ifaddr *target, u_int flags) (target->ia_flags & IFA_RTSELF)) { struct route ia_ro; int freeit = 0; + int fibnum; bzero(&ia_ro, sizeof(ia_ro)); *((struct sockaddr_in *)(&ia_ro.ro_dst)) = target->ia_addr; - rtalloc_ign_fib(&ia_ro, 0, 0); + fibnum = target->ia_ifp->if_fib; + rtalloc_ign_fib(&ia_ro, 0, fibnum); if ((ia_ro.ro_rt != NULL) && (ia_ro.ro_rt->rt_ifp != NULL) && (ia_ro.ro_rt->rt_ifp == V_loif)) { RT_LOCK(ia_ro.ro_rt); @@ -1104,6 +1109,10 @@ in_scrubprefix(struct in_ifaddr *target, u_int flags) } if ((target->ia_flags & IFA_ROUTE) == 0) { + int fibnum; + + fibnum = rt_add_addr_allfibs ? RT_ALL_FIBS : + target->ia_ifp->if_fib; rt_addrmsg(RTM_DELETE, &target->ia_ifa, fibnum); return (0); } @@ -1368,8 +1377,9 @@ in_lltable_rtcheck(struct ifnet *ifp, u_int flags, const struct sockaddr *l3addr KASSERT(l3addr->sa_family == AF_INET, ("sin_family %d", l3addr->sa_family)); - /* XXX rtalloc1 should take a const param */ - rt = rtalloc1(__DECONST(struct sockaddr *, l3addr), 0, 0); + /* XXX rtalloc1_fib should take a const param */ + rt = rtalloc1_fib(__DECONST(struct sockaddr *, l3addr), 0, 0, + ifp->if_fib); if (rt == NULL) return (EINVAL); |