diff options
Diffstat (limited to 'include/linux/skbuff.h')
-rw-r--r-- | include/linux/skbuff.h | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h index 094bb8902aa4..ba300a44e484 100644 --- a/include/linux/skbuff.h +++ b/include/linux/skbuff.h @@ -2150,6 +2150,8 @@ extern int skb_shift(struct sk_buff *tgt, struct sk_buff *skb, extern struct sk_buff *skb_segment(struct sk_buff *skb, u32 features); +unsigned int skb_gso_transport_seglen(const struct sk_buff *skb); + static inline void *skb_header_pointer(const struct sk_buff *skb, int offset, int len, void *buffer) { @@ -2562,5 +2564,22 @@ static inline bool skb_is_recycleable(const struct sk_buff *skb, int skb_size) return true; } + +/** + * skb_gso_network_seglen - Return length of individual segments of a gso packet + * + * @skb: GSO skb + * + * skb_gso_network_seglen is used to determine the real size of the + * individual segments, including Layer3 (IP, IPv6) and L4 headers (TCP/UDP). + * + * The MAC/L2 header is not accounted for. + */ +static inline unsigned int skb_gso_network_seglen(const struct sk_buff *skb) +{ + unsigned int hdr_len = skb_transport_header(skb) - + skb_network_header(skb); + return hdr_len + skb_gso_transport_seglen(skb); +} #endif /* __KERNEL__ */ #endif /* _LINUX_SKBUFF_H */ |