diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/skbuff.h | 15 | ||||
| -rw-r--r-- | include/net/xfrm.h | 3 |
2 files changed, 18 insertions, 0 deletions
diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h index 5bafcfe18be6..f86f9396f727 100644 --- a/include/linux/skbuff.h +++ b/include/linux/skbuff.h @@ -2972,6 +2972,21 @@ static inline void skb_mac_header_rebuild(struct sk_buff *skb) } } +/* Move the full mac header up to current network_header. + * Leaves skb->data pointing at offset skb->mac_len into the mac_header. + * Must be provided the complete mac header length. + */ +static inline void skb_mac_header_rebuild_full(struct sk_buff *skb, u32 full_mac_len) +{ + if (skb_mac_header_was_set(skb)) { + const unsigned char *old_mac = skb_mac_header(skb); + + skb_set_mac_header(skb, -full_mac_len); + memmove(skb_mac_header(skb), old_mac, full_mac_len); + __skb_push(skb, full_mac_len - skb->mac_len); + } +} + static inline int skb_checksum_start_offset(const struct sk_buff *skb) { return skb->csum_start - skb_headroom(skb); diff --git a/include/net/xfrm.h b/include/net/xfrm.h index 1d107241b901..5d0f8f40b8d1 100644 --- a/include/net/xfrm.h +++ b/include/net/xfrm.h @@ -1047,6 +1047,9 @@ struct xfrm_offload { #define CRYPTO_INVALID_PACKET_SYNTAX 64 #define CRYPTO_INVALID_PROTOCOL 128 + /* Used to keep whole l2 header for transport mode GRO */ + __u32 orig_mac_len; + __u8 proto; __u8 inner_ipproto; }; |