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Diffstat (limited to 'include/linux/tcp.h')
-rw-r--r--include/linux/tcp.h19
1 files changed, 12 insertions, 7 deletions
diff --git a/include/linux/tcp.h b/include/linux/tcp.h
index 55399ee2a57e..29f59d50dc73 100644
--- a/include/linux/tcp.h
+++ b/include/linux/tcp.h
@@ -160,6 +160,8 @@ struct tcp_request_sock {
u32 rcv_isn;
u32 snt_isn;
u32 ts_off;
+ u32 snt_tsval_first;
+ u32 snt_tsval_last;
u32 last_oow_ack_time; /* last SYNACK */
u32 rcv_nxt; /* the ack # by SYNACK. For
* FastOpen it's the seq#
@@ -200,7 +202,6 @@ struct tcp_sock {
/* TX read-mostly hotpath cache lines */
__cacheline_group_begin(tcp_sock_read_tx);
- /* timestamp of last sent data packet (for restart window) */
u32 max_window; /* Maximal window ever seen from peer */
u32 rcv_ssthresh; /* Current window clamp */
u32 reordering; /* Packet reordering metric. */
@@ -243,7 +244,11 @@ struct tcp_sock {
struct minmax rtt_min;
/* OOO segments go in this rbtree. Socket lock must be held. */
struct rb_root out_of_order_queue;
+#if defined(CONFIG_TLS_DEVICE)
+ void (*tcp_clean_acked)(struct sock *sk, u32 acked_seq);
+#endif
u32 snd_ssthresh; /* Slow start size threshold */
+ u8 recvmsg_inq : 1;/* Indicate # of bytes in queue upon recvmsg */
__cacheline_group_end(tcp_sock_read_rx);
/* TX read-write hotpath cache lines */
@@ -262,12 +267,10 @@ struct tcp_sock {
u32 chrono_stat[3]; /* Time in jiffies for chrono_stat stats */
u32 write_seq; /* Tail(+1) of data held in tcp send buffer */
u32 pushed_seq; /* Last pushed seq, required to talk to windows */
- u32 lsndtime;
+ u32 lsndtime; /* timestamp of last sent data packet (for restart window) */
u32 mdev_us; /* medium deviation */
u32 rtt_seq; /* sequence number to update rttvar */
u64 tcp_wstamp_ns; /* departure time for next sent data packet */
- u64 tcp_clock_cache; /* cache last tcp_clock_ns() (see tcp_mstamp_refresh()) */
- u64 tcp_mstamp; /* most recent packet received/sent */
struct list_head tsorted_sent_queue; /* time-sorted sent but un-SACKed skbs */
struct sk_buff *highest_sack; /* skb just after the highest
* skb with SACKed bit set
@@ -284,6 +287,8 @@ struct tcp_sock {
* 0x5?10 << 16 + snd_wnd in net byte order
*/
__be32 pred_flags;
+ u64 tcp_clock_cache; /* cache last tcp_clock_ns() (see tcp_mstamp_refresh()) */
+ u64 tcp_mstamp; /* most recent packet received/sent */
u32 rcv_nxt; /* What we want to receive next */
u32 snd_nxt; /* Next sequence we send */
u32 snd_una; /* First byte we want an ack for */
@@ -335,7 +340,7 @@ struct tcp_sock {
} rcv_rtt_est;
/* Receiver queue space */
struct {
- u32 space;
+ int space;
u32 seq;
u64 time;
} rcvq_space;
@@ -370,7 +375,6 @@ struct tcp_sock {
tlp_retrans:1, /* TLP is a retransmission */
unused:5;
u8 thin_lto : 1,/* Use linear timeouts for thin streams */
- recvmsg_inq : 1,/* Indicate # of bytes in queue upon recvmsg */
fastopen_connect:1, /* FASTOPEN_CONNECT sockopt */
fastopen_no_cookie:1, /* Allow send/recv SYN+data without a cookie */
fastopen_client_fail:2, /* reason why fastopen failed */
@@ -381,7 +385,8 @@ struct tcp_sock {
syn_fastopen:1, /* SYN includes Fast Open option */
syn_fastopen_exp:1,/* SYN includes Fast Open exp. option */
syn_fastopen_ch:1, /* Active TFO re-enabling probe */
- syn_data_acked:1;/* data in SYN is acked by SYN-ACK */
+ syn_data_acked:1,/* data in SYN is acked by SYN-ACK */
+ syn_fastopen_child:1; /* created TFO passive child socket */
u8 keepalive_probes; /* num of allowed keep alive probes */
u32 tcp_tx_delay; /* delay (in usec) added to TX packets */