diff options
| author | Vadim Fedorenko <vfedorenko@novek.ru> | 2021-07-20 23:06:27 +0300 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2021-07-21 08:22:02 -0700 |
| commit | 427faee167bce4ccb0b22f6815a9ac509e31d4c3 (patch) | |
| tree | 04bfc7c88412af0198c935884257cd57601a52af /include/net/ip6_route.h | |
| parent | 7c804e91df523a37c29e183ea2b10ac73c3a4f3d (diff) | |
net: ipv6: introduce ip6_dst_mtu_maybe_forward
Replace ip6_dst_mtu_forward with ip6_dst_mtu_maybe_forward and
reuse this code in ip6_mtu. Actually these two functions were
almost duplicates, this change will simplify the maintaince of
mtu calculation code.
Signed-off-by: Vadim Fedorenko <vfedorenko@novek.ru>
Reviewed-by: David Ahern <dsahern@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include/net/ip6_route.h')
| -rw-r--r-- | include/net/ip6_route.h | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/include/net/ip6_route.h b/include/net/ip6_route.h index 625a38ccb5d9..820eae3ea95f 100644 --- a/include/net/ip6_route.h +++ b/include/net/ip6_route.h @@ -316,12 +316,13 @@ static inline bool rt6_duplicate_nexthop(struct fib6_info *a, struct fib6_info * !lwtunnel_cmp_encap(nha->fib_nh_lws, nhb->fib_nh_lws); } -static inline unsigned int ip6_dst_mtu_forward(const struct dst_entry *dst) +static inline unsigned int ip6_dst_mtu_maybe_forward(const struct dst_entry *dst, + bool forwarding) { struct inet6_dev *idev; unsigned int mtu; - if (dst_metric_locked(dst, RTAX_MTU)) { + if (!forwarding || dst_metric_locked(dst, RTAX_MTU)) { mtu = dst_metric_raw(dst, RTAX_MTU); if (mtu) goto out; |