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| author | David Ahern <dsahern@gmail.com> | 2018-05-21 09:08:14 -0700 |
|---|---|---|
| committer | Daniel Borkmann <daniel@iogearbox.net> | 2018-05-22 10:51:09 +0200 |
| commit | 901731b882d77dc53897aec45015ced42d56fe4c (patch) | |
| tree | 07c27d09002feed8c9429759dc8a1bd844c09e27 /include/net/addrconf.h | |
| parent | 50d889b1789458d1f7d7f40ff4f628b670047773 (diff) | |
| download | lwn-901731b882d77dc53897aec45015ced42d56fe4c.tar.gz lwn-901731b882d77dc53897aec45015ced42d56fe4c.zip | |
net/ipv6: Add helper to return path MTU based on fib result
Determine path MTU from a FIB lookup result. Logic is based on
ip6_dst_mtu_forward plus lookup of nexthop exception.
Add ip6_dst_mtu_forward to ipv6_stubs to handle access by core
bpf code.
Signed-off-by: David Ahern <dsahern@gmail.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Diffstat (limited to 'include/net/addrconf.h')
| -rw-r--r-- | include/net/addrconf.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/include/net/addrconf.h b/include/net/addrconf.h index ff766ab207e0..c07d4dd09361 100644 --- a/include/net/addrconf.h +++ b/include/net/addrconf.h @@ -236,6 +236,8 @@ struct ipv6_stub { struct flowi6 *fl6, int oif, const struct sk_buff *skb, int strict); + u32 (*ip6_mtu_from_fib6)(struct fib6_info *f6i, struct in6_addr *daddr, + struct in6_addr *saddr); void (*udpv6_encap_enable)(void); void (*ndisc_send_na)(struct net_device *dev, const struct in6_addr *daddr, |