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Add work around for RFC3021 patch and its problem with certain IPv6 interfaces

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addresses.

It seems so far that netlink only ever returns IFA_ADDRESS for IPv6 interfaces
and never IFA_LOCAL, regardless of whether it is PtP or not. Need to investigate
precisely how IPv6 and netlink are supposed to behave wrt broadcast vs
PtP links.
This commit is contained in:
paul 2003-01-19 20:52:55 +00:00
parent 9a66800150
commit 8fdcfdecd5
1 changed files with 6 additions and 1 deletions
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7
zebra/rt_netlink.c
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@ -442,10 +442,15 @@ netlink_interface_addr (struct sockaddr_nl *snl, struct nlmsghdr *h)
peeronly = if_is_pointopoint (ifp) || peeronly = if_is_pointopoint (ifp) ||
ifa->ifa_prefixlen >= IPV4_MAX_PREFIXLEN - 1; ifa->ifa_prefixlen >= IPV4_MAX_PREFIXLEN - 1;
#ifdef HAVE_IPV6 #ifdef HAVE_IPV6
if (ifa->ifa_family == AF_INET6) if (ifa->ifa_family == AF_INET6) {
peeronly = if_is_pointopoint (ifp) || peeronly = if_is_pointopoint (ifp) ||
ifa->ifa_prefixlen >= IPV6_MAX_PREFIXLEN - 1; ifa->ifa_prefixlen >= IPV6_MAX_PREFIXLEN - 1;
}
#endif /* HAVE_IPV6*/ #endif /* HAVE_IPV6*/
if (!(tb[IFA_LOCAL] && tb[IFA_ADDRESS])) {
/* FIXME: IPv6 Appears to have only IFA_ADDRESS */
peeronly=0;
}
/* network. prefixlen applies to IFA_ADDRESS rather than IFA_LOCAL */ /* network. prefixlen applies to IFA_ADDRESS rather than IFA_LOCAL */
if (tb[IFA_ADDRESS] && !peeronly) if (tb[IFA_ADDRESS] && !peeronly)