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authorPablo Neira Ayuso <pablo@netfilter.org>2018-01-07 01:04:19 +0100
committerPablo Neira Ayuso <pablo@netfilter.org>2018-01-08 18:11:08 +0100
commit0995210753a26c4fa1a3d8c63cc230e22a8537cd (patch)
treed7b20d92f36c2a2d1663cc0e009a2ffd3c71791c /net/ipv6/ip6_output.c
parentnetfilter: flow table support for IPv4 (diff)
downloadlinux-0995210753a26c4fa1a3d8c63cc230e22a8537cd.tar.xz
linux-0995210753a26c4fa1a3d8c63cc230e22a8537cd.zip
netfilter: flow table support for IPv6
This patch adds the IPv6 flow table type, that implements the datapath flow table to forward IPv6 traffic. This patch exports ip6_dst_mtu_forward() that is required to check for mtu to pass up packets that need PMTUD handling to the classic forwarding path. Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Diffstat (limited to 'net/ipv6/ip6_output.c')
-rw-r--r--net/ipv6/ip6_output.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/net/ipv6/ip6_output.c b/net/ipv6/ip6_output.c
index bcdb615aed6e..19adad6d90bc 100644
--- a/net/ipv6/ip6_output.c
+++ b/net/ipv6/ip6_output.c
@@ -378,7 +378,7 @@ static inline int ip6_forward_finish(struct net *net, struct sock *sk,
return dst_output(net, sk, skb);
}
-static unsigned int ip6_dst_mtu_forward(const struct dst_entry *dst)
+unsigned int ip6_dst_mtu_forward(const struct dst_entry *dst)
{
unsigned int mtu;
struct inet6_dev *idev;
@@ -398,6 +398,7 @@ static unsigned int ip6_dst_mtu_forward(const struct dst_entry *dst)
return mtu;
}
+EXPORT_SYMBOL_GPL(ip6_dst_mtu_forward);
static bool ip6_pkt_too_big(const struct sk_buff *skb, unsigned int mtu)
{