diff options
| author |   YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org> | 2008-03-15 22:54:23 -0400 |
|---|---|---|
| committer | YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org> | 2008-04-03 10:06:00 +0900 |
| commit | 52eeeb8481d705e61e2e9aae974e7799a93783e9 (patch) | |
| tree | 6ced371b81334f07926e7bdc190fc2efa396659f /net/ipv6/sit.c | |
| parent | [IPV6] NDISC: Ignore route information with /0 prefix from interior router. (diff) | |
| download | linux-dev-52eeeb8481d705e61e2e9aae974e7799a93783e9.tar.xz linux-dev-52eeeb8481d705e61e2e9aae974e7799a93783e9.zip | |
[IPV6]: Unify ip6_onlink() and ipip6_onlink().
Both are identical, let's create ipv6_chk_prefix() and use it
in both places.
Diffstat (limited to 'net/ipv6/sit.c')
| -rw-r--r-- | net/ipv6/sit.c | 27 |
1 files changed, 1 insertions, 26 deletions
diff --git a/net/ipv6/sit.c b/net/ipv6/sit.c index 08a483a8de50..cc16fe07bbff 100644 --- a/net/ipv6/sit.c +++ b/net/ipv6/sit.c @@ -344,31 +344,6 @@ out: return 0; } -/* copied directly from anycast.c */ -static int -ipip6_onlink(struct in6_addr *addr, struct net_device *dev) -{ - struct inet6_dev *idev; - struct inet6_ifaddr *ifa; - int onlink; - - onlink = 0; - rcu_read_lock(); - idev = __in6_dev_get(dev); - if (idev) { - read_lock_bh(&idev->lock); - for (ifa=idev->addr_list; ifa; ifa=ifa->if_next) { - onlink = ipv6_prefix_equal(addr, &ifa->addr, - ifa->prefix_len); - if (onlink) - break; - } - read_unlock_bh(&idev->lock); - } - rcu_read_unlock(); - return onlink; -} - static int isatap_chksrc(struct sk_buff *skb, struct iphdr *iph, struct ip_tunnel *t) { @@ -386,7 +361,7 @@ isatap_chksrc(struct sk_buff *skb, struct iphdr *iph, struct ip_tunnel *t) struct in6_addr *addr6 = &ipv6_hdr(skb)->saddr; if (ipv6_addr_is_isatap(addr6) && (addr6->s6_addr32[3] == iph->saddr) && - ipip6_onlink(addr6, t->dev)) + ipv6_chk_prefix(addr6, t->dev)) skb->ndisc_nodetype = NDISC_NODETYPE_HOST; else ok = 0; |