diff options
Diffstat (limited to 'net/ipv6/addrconf.c')
| -rw-r--r-- | net/ipv6/addrconf.c | 22 |
1 files changed, 15 insertions, 7 deletions
diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c index deb38bf03376..9be6be3a7ff3 100644 --- a/net/ipv6/addrconf.c +++ b/net/ipv6/addrconf.c @@ -229,6 +229,12 @@ static inline int addrconf_qdisc_ok(struct net_device *dev) return (dev->qdisc != &noop_qdisc); } +/* Check if a route is valid prefix route */ +static inline int addrconf_is_prefix_route(const struct rt6_info *rt) +{ + return ((rt->rt6i_flags & (RTF_GATEWAY | RTF_DEFAULT)) == 0); +} + static void addrconf_del_timer(struct inet6_ifaddr *ifp) { if (del_timer(&ifp->timer)) @@ -775,7 +781,7 @@ static void ipv6_del_addr(struct inet6_ifaddr *ifp) ipv6_addr_prefix(&prefix, &ifp->addr, ifp->prefix_len); rt = rt6_lookup(net, &prefix, NULL, ifp->idev->dev->ifindex, 1); - if (rt && ((rt->rt6i_flags & (RTF_GATEWAY | RTF_DEFAULT)) == 0)) { + if (rt && addrconf_is_prefix_route(rt)) { if (onlink == 0) { ip6_del_rt(rt); rt = NULL; @@ -956,7 +962,8 @@ static inline int ipv6_saddr_preferred(int type) return 0; } -static int ipv6_get_saddr_eval(struct ipv6_saddr_score *score, +static int ipv6_get_saddr_eval(struct net *net, + struct ipv6_saddr_score *score, struct ipv6_saddr_dst *dst, int i) { @@ -1035,7 +1042,8 @@ static int ipv6_get_saddr_eval(struct ipv6_saddr_score *score, break; case IPV6_SADDR_RULE_LABEL: /* Rule 6: Prefer matching label */ - ret = ipv6_addr_label(&score->ifa->addr, score->addr_type, + ret = ipv6_addr_label(net, + &score->ifa->addr, score->addr_type, score->ifa->idev->dev->ifindex) == dst->label; break; #ifdef CONFIG_IPV6_PRIVACY @@ -1089,7 +1097,7 @@ int ipv6_dev_get_saddr(struct net_device *dst_dev, dst.addr = daddr; dst.ifindex = dst_dev ? dst_dev->ifindex : 0; dst.scope = __ipv6_addr_src_scope(dst_type); - dst.label = ipv6_addr_label(daddr, dst_type, dst.ifindex); + dst.label = ipv6_addr_label(net, daddr, dst_type, dst.ifindex); dst.prefs = prefs; hiscore->rule = -1; @@ -1157,8 +1165,8 @@ int ipv6_dev_get_saddr(struct net_device *dst_dev, for (i = 0; i < IPV6_SADDR_RULE_MAX; i++) { int minihiscore, miniscore; - minihiscore = ipv6_get_saddr_eval(hiscore, &dst, i); - miniscore = ipv6_get_saddr_eval(score, &dst, i); + minihiscore = ipv6_get_saddr_eval(net, hiscore, &dst, i); + miniscore = ipv6_get_saddr_eval(net, score, &dst, i); if (minihiscore > miniscore) { if (i == IPV6_SADDR_RULE_SCOPE && @@ -1786,7 +1794,7 @@ void addrconf_prefix_rcv(struct net_device *dev, u8 *opt, int len) rt = rt6_lookup(dev_net(dev), &pinfo->prefix, NULL, dev->ifindex, 1); - if (rt && ((rt->rt6i_flags & (RTF_GATEWAY | RTF_DEFAULT)) == 0)) { + if (rt && addrconf_is_prefix_route(rt)) { /* Autoconf prefix route */ if (valid_lft == 0) { ip6_del_rt(rt); |