diff options
Diffstat (limited to 'include/net/tcp.h')
| -rw-r--r-- | include/net/tcp.h | 23 |
1 files changed, 21 insertions, 2 deletions
diff --git a/include/net/tcp.h b/include/net/tcp.h index 4dc6641..02a9a2c 100644 --- a/include/net/tcp.h +++ b/include/net/tcp.h @@ -698,7 +698,16 @@ static inline u32 tcp_skb_timestamp(const struct sk_buff *skb) struct tcp_skb_cb { __u32 seq; /* Starting sequence number */ __u32 end_seq; /* SEQ + FIN + SYN + datalen */ - __u32 tcp_tw_isn; /* isn chosen by tcp_timewait_state_process() */ + union { + /* Note : tcp_tw_isn is used in input path only + * (isn chosen by tcp_timewait_state_process()) + * + * tcp_gso_segs is used in write queue only, + * cf tcp_skb_pcount() + */ + __u32 tcp_tw_isn; + __u32 tcp_gso_segs; + }; __u8 tcp_flags; /* TCP header flags. (tcp[13]) */ __u8 sacked; /* State flags for SACK/FACK. */ @@ -746,7 +755,17 @@ TCP_ECN_create_request(struct request_sock *req, const struct sk_buff *skb, */ static inline int tcp_skb_pcount(const struct sk_buff *skb) { - return skb_shinfo(skb)->gso_segs; + return TCP_SKB_CB(skb)->tcp_gso_segs; +} + +static inline void tcp_skb_pcount_set(struct sk_buff *skb, int segs) +{ + TCP_SKB_CB(skb)->tcp_gso_segs = segs; +} + +static inline void tcp_skb_pcount_add(struct sk_buff *skb, int segs) +{ + TCP_SKB_CB(skb)->tcp_gso_segs += segs; } /* This is valid iff tcp_skb_pcount() > 1. */ |
