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Commit 303065a8 authored by YOSHIFUJI Hideaki's avatar YOSHIFUJI Hideaki Committed by David S. Miller
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[IPV6] ADDRCONF: Allow address selection policy with ifindex. 



This patch allows ifindex to be a key for address selection policy table.

Signed-off-by: default avatarYOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent c1ee656c

net/ipv6/addrconf.c

+8 −4
Original line number Diff line number Diff line
@@ -875,7 +875,8 @@ static inline int ipv6_saddr_preferred(int type) 
}



/* 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 @@ int ipv6_dev_get_saddr(struct net_device *daddr_dev, 
	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 @@ int ipv6_dev_get_saddr(struct net_device *daddr_dev, 
			/* 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;