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| author | YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org> | 2006-07-11 13:05:30 -0700 |
|---|---|---|
| committer | David S. Miller <davem@sunset.davemloft.net> | 2006-07-12 13:58:53 -0700 |
| commit | 8a6ce0c083f5736e90dabe6d8ce077e7dd0fa35f (patch) | |
| tree | df9ae7e58b86277ab20b31ee3606d81b9a1e917d | |
| parent | 6150c22e2ac3f7dbe73e7ae7817785070d0cff1f (diff) | |
| download | linux-3.10-8a6ce0c083f5736e90dabe6d8ce077e7dd0fa35f.tar.gz linux-3.10-8a6ce0c083f5736e90dabe6d8ce077e7dd0fa35f.tar.bz2 linux-3.10-8a6ce0c083f5736e90dabe6d8ce077e7dd0fa35f.zip | |
[IPV6]: Use ipv6_addr_src_scope for link address sorting.
In the source address selection, the address must be sorted
from global to node-local.
But, ifp->scope is different from the scope for source address
selection.
2001::1 fe80::1 ::1
ifp->scope 0 0x02 0x01
ipv6_addr_src_scope(&ifp->addr) 0x0e 0x02 0x01
So, we need to use ipv6_addr_src_scope(&ifp->addr) for sorting.
And, for backward compatibility, addresses should be sorted from
new one to old one.
Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>
Acked-by: Brian Haley <brian.haley@hp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
| -rw-r--r-- | net/ipv6/addrconf.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c index 9d9a3c6056f..2316a4315a1 100644 --- a/net/ipv6/addrconf.c +++ b/net/ipv6/addrconf.c @@ -512,6 +512,7 @@ static void ipv6_link_dev_addr(struct inet6_dev *idev, struct inet6_ifaddr *ifp) { struct inet6_ifaddr *ifa, **ifap; + int ifp_scope = ipv6_addr_src_scope(&ifp->addr); /* * Each device address list is sorted in order of scope - @@ -519,7 +520,7 @@ ipv6_link_dev_addr(struct inet6_dev *idev, struct inet6_ifaddr *ifp) */ for (ifap = &idev->addr_list; (ifa = *ifap) != NULL; ifap = &ifa->if_next) { - if (ifp->scope > ifa->scope) + if (ifp_scope >= ipv6_addr_src_scope(&ifa->addr)) break; } |