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Diffstat (limited to 'include/linux/tcp.h')
-rw-r--r--include/linux/tcp.h20
1 files changed, 14 insertions, 6 deletions
diff --git a/include/linux/tcp.h b/include/linux/tcp.h
index 60b7aac15e0..763c108ee03 100644
--- a/include/linux/tcp.h
+++ b/include/linux/tcp.h
@@ -35,6 +35,16 @@ static inline unsigned int tcp_hdrlen(const struct sk_buff *skb)
return tcp_hdr(skb)->doff * 4;
}
+static inline struct tcphdr *inner_tcp_hdr(const struct sk_buff *skb)
+{
+ return (struct tcphdr *)skb_inner_transport_header(skb);
+}
+
+static inline unsigned int inner_tcp_hdrlen(const struct sk_buff *skb)
+{
+ return inner_tcp_hdr(skb)->doff * 4;
+}
+
static inline unsigned int tcp_optlen(const struct sk_buff *skb)
{
return (tcp_hdr(skb)->doff - 5) * 4;
@@ -152,6 +162,8 @@ struct tcp_sock {
u32 rcv_tstamp; /* timestamp of last received ACK (for keepalives) */
u32 lsndtime; /* timestamp of last sent data packet (for restart window) */
+ u32 tsoffset; /* timestamp offset */
+
struct list_head tsq_node; /* anchor in tsq_tasklet.head list */
unsigned long tsq_flags;
@@ -189,10 +201,10 @@ struct tcp_sock {
unused : 1;
u8 repair_queue;
u8 do_early_retrans:1,/* Enable RFC5827 early-retransmit */
- early_retrans_delayed:1, /* Delayed ER timer installed */
syn_data:1, /* SYN includes data */
syn_fastopen:1, /* SYN includes Fast Open option */
syn_data_acked:1;/* data in SYN is acked by SYN-ACK */
+ u32 tlp_high_seq; /* snd_nxt at the time of TLP retransmit. */
/* RTT measurement */
u32 srtt; /* smoothed round trip time << 3 */
@@ -236,7 +248,6 @@ struct tcp_sock {
u32 sacked_out; /* SACK'd packets */
u32 fackets_out; /* FACK'd packets */
u32 tso_deferred;
- u32 bytes_acked; /* Appropriate Byte Counting - RFC3465 */
/* from STCP, retrans queue hinting */
struct sk_buff* lost_skb_hint;
@@ -344,15 +355,12 @@ struct tcp_timewait_sock {
u32 tw_rcv_nxt;
u32 tw_snd_nxt;
u32 tw_rcv_wnd;
+ u32 tw_ts_offset;
u32 tw_ts_recent;
long tw_ts_recent_stamp;
#ifdef CONFIG_TCP_MD5SIG
struct tcp_md5sig_key *tw_md5_key;
#endif
- /* Few sockets in timewait have cookies; in that case, then this
- * object holds a reference to them (tw_cookie_values->kref).
- */
- struct tcp_cookie_values *tw_cookie_values;
};
static inline struct tcp_timewait_sock *tcp_twsk(const struct sock *sk)