diff options
| author | Hangbin Liu <liuhangbin@gmail.com> | 2019-12-22 03:51:12 +0100 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2019-12-25 07:28:54 +0100 |
| commit | 07dc35c6e3cc3c001915d05f5bf21f80a39a0970 (patch) | |
| tree | 4703785eafb7448842274ffdf3cdd86d7b01a3ab /include | |
| parent | gtp: do not confirm neighbor when do pmtu update (diff) | |
| download | linux-07dc35c6e3cc3c001915d05f5bf21f80a39a0970.tar.xz linux-07dc35c6e3cc3c001915d05f5bf21f80a39a0970.zip | |
net/dst: add new function skb_dst_update_pmtu_no_confirm
Add a new function skb_dst_update_pmtu_no_confirm() for callers who need
update pmtu but should not do neighbor confirm.
v5: No change.
v4: No change.
v3: Do not remove dst_confirm_neigh, but add a new bool parameter in
dst_ops.update_pmtu to control whether we should do neighbor confirm.
Also split the big patch to small ones for each area.
v2: Remove dst_confirm_neigh in __ip6_rt_update_pmtu.
Reviewed-by: Guillaume Nault <gnault@redhat.com>
Acked-by: David Ahern <dsahern@gmail.com>
Signed-off-by: Hangbin Liu <liuhangbin@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include')
| -rw-r--r-- | include/net/dst.h | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/include/net/dst.h b/include/net/dst.h index 593630e0e076..dc7cc1f1051c 100644 --- a/include/net/dst.h +++ b/include/net/dst.h @@ -519,6 +519,15 @@ static inline void skb_dst_update_pmtu(struct sk_buff *skb, u32 mtu) dst->ops->update_pmtu(dst, NULL, skb, mtu, true); } +/* update dst pmtu but not do neighbor confirm */ +static inline void skb_dst_update_pmtu_no_confirm(struct sk_buff *skb, u32 mtu) +{ + struct dst_entry *dst = skb_dst(skb); + + if (dst && dst->ops->update_pmtu) + dst->ops->update_pmtu(dst, NULL, skb, mtu, false); +} + static inline void skb_tunnel_check_pmtu(struct sk_buff *skb, struct dst_entry *encap_dst, int headroom) |