[IPV6] ADDRCONF: Allow address selection policy with ifindex.
This patch allows ifindex to be a key for address selection policy table.
Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c
index 733374b..e1e591b 100644
--- a/net/ipv6/addrconf.c
+++ b/net/ipv6/addrconf.c
@@ -875,7 +875,8 @@
}
/* static matching label */
-static inline int ipv6_addr_label(const struct in6_addr *addr, int type)
+static inline int ipv6_addr_label(const struct in6_addr *addr, int type,
+ int ifindex)
{
/*
* prefix (longest match) label
@@ -910,7 +911,8 @@
struct inet6_ifaddr *ifa_result = NULL;
int daddr_type = __ipv6_addr_type(daddr);
int daddr_scope = __ipv6_addr_src_scope(daddr_type);
- u32 daddr_label = ipv6_addr_label(daddr, daddr_type);
+ int daddr_ifindex = daddr_dev ? daddr_dev->ifindex : 0;
+ u32 daddr_label = ipv6_addr_label(daddr, daddr_type, daddr_ifindex);
struct net_device *dev;
memset(&hiscore, 0, sizeof(hiscore));
@@ -1084,12 +1086,14 @@
/* Rule 6: Prefer matching label */
if (hiscore.rule < 6) {
if (ipv6_addr_label(&ifa_result->addr,
- hiscore.addr_type) == daddr_label)
+ hiscore.addr_type,
+ ifa_result->idev->dev->ifindex) == daddr_label)
hiscore.attrs |= IPV6_SADDR_SCORE_LABEL;
hiscore.rule++;
}
if (ipv6_addr_label(&ifa->addr,
- score.addr_type) == daddr_label) {
+ score.addr_type,
+ ifa->idev->dev->ifindex) == daddr_label) {
score.attrs |= IPV6_SADDR_SCORE_LABEL;
if (!(hiscore.attrs & IPV6_SADDR_SCORE_LABEL)) {
score.rule = 6;