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| author | YOSHIFUJI Hideaki | 2008-06-28 07:17:11 +0200 |
|---|---|---|
| committer | YOSHIFUJI Hideaki | 2008-07-03 10:51:55 +0200 |
| commit | 778d80be52699596bf70e0eb0761cf5e1e46088d (patch) | |
| tree | 607d0bd6fe7c7d6f59d88b9287fc534f6693998d /net/ipv6/ip6_output.c | |
| parent | ipv6: Assume the loopback address in link-local scope. (diff) | |
| download | kernel-qcow2-linux-778d80be52699596bf70e0eb0761cf5e1e46088d.tar.gz kernel-qcow2-linux-778d80be52699596bf70e0eb0761cf5e1e46088d.tar.xz kernel-qcow2-linux-778d80be52699596bf70e0eb0761cf5e1e46088d.zip | |
ipv6: Add disable_ipv6 sysctl to disable IPv6 operaion on specific interface.
Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>
Diffstat (limited to 'net/ipv6/ip6_output.c')
| -rw-r--r-- | net/ipv6/ip6_output.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/net/ipv6/ip6_output.c b/net/ipv6/ip6_output.c index 871bdec09edb..0981c1ef3057 100644 --- a/net/ipv6/ip6_output.c +++ b/net/ipv6/ip6_output.c @@ -173,6 +173,13 @@ static inline int ip6_skb_dst_mtu(struct sk_buff *skb) int ip6_output(struct sk_buff *skb) { + struct inet6_dev *idev = ip6_dst_idev(skb->dst); + if (unlikely(idev->cnf.disable_ipv6)) { + IP6_INC_STATS(idev, IPSTATS_MIB_OUTDISCARDS); + kfree_skb(skb); + return 0; + } + if ((skb->len > ip6_skb_dst_mtu(skb) && !skb_is_gso(skb)) || dst_allfrag(skb->dst)) return ip6_fragment(skb, ip6_output2); |