diff options
Diffstat (limited to 'include/net/fou.h')
| -rw-r--r-- | include/net/fou.h | 14 |
1 files changed, 13 insertions, 1 deletions
diff --git a/include/net/fou.h b/include/net/fou.h index cf4ce8874f92..25b26ffcf1df 100644 --- a/include/net/fou.h +++ b/include/net/fou.h @@ -20,7 +20,19 @@ static size_t fou_encap_hlen(struct ip_tunnel_encap *e) static size_t gue_encap_hlen(struct ip_tunnel_encap *e) { - return sizeof(struct udphdr) + sizeof(struct guehdr); + size_t len; + bool need_priv = false; + + len = sizeof(struct udphdr) + sizeof(struct guehdr); + + if (e->flags & TUNNEL_ENCAP_FLAG_REMCSUM) { + len += GUE_PLEN_REMCSUM; + need_priv = true; + } + + len += need_priv ? GUE_LEN_PRIV : 0; + + return len; } #endif |