diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/net/fou.h | 14 | ||||
| -rw-r--r-- | include/uapi/linux/if_tunnel.h | 1 |
2 files changed, 14 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 diff --git a/include/uapi/linux/if_tunnel.h b/include/uapi/linux/if_tunnel.h index 280d9e092283..bd3cc11a431f 100644 --- a/include/uapi/linux/if_tunnel.h +++ b/include/uapi/linux/if_tunnel.h @@ -69,6 +69,7 @@ enum tunnel_encap_types { #define TUNNEL_ENCAP_FLAG_CSUM (1<<0) #define TUNNEL_ENCAP_FLAG_CSUM6 (1<<1) +#define TUNNEL_ENCAP_FLAG_REMCSUM (1<<2) /* SIT-mode i_flags */ #define SIT_ISATAP 0x0001 |