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-rw-r--r--include/linux/tcp.h24
1 files changed, 22 insertions, 2 deletions
diff --git a/include/linux/tcp.h b/include/linux/tcp.h
index b6c62d294380..4c5b63283377 100644
--- a/include/linux/tcp.h
+++ b/include/linux/tcp.h
@@ -106,6 +106,22 @@ enum {
106#define TCP_THIN_LINEAR_TIMEOUTS 16 /* Use linear timeouts for thin streams*/ 106#define TCP_THIN_LINEAR_TIMEOUTS 16 /* Use linear timeouts for thin streams*/
107#define TCP_THIN_DUPACK 17 /* Fast retrans. after 1 dupack */ 107#define TCP_THIN_DUPACK 17 /* Fast retrans. after 1 dupack */
108#define TCP_USER_TIMEOUT 18 /* How long for loss retry before timeout */ 108#define TCP_USER_TIMEOUT 18 /* How long for loss retry before timeout */
109#define TCP_REPAIR 19 /* TCP sock is under repair right now */
110#define TCP_REPAIR_QUEUE 20
111#define TCP_QUEUE_SEQ 21
112#define TCP_REPAIR_OPTIONS 22
113
114struct tcp_repair_opt {
115 __u32 opt_code;
116 __u32 opt_val;
117};
118
119enum {
120 TCP_NO_QUEUE,
121 TCP_RECV_QUEUE,
122 TCP_SEND_QUEUE,
123 TCP_QUEUES_NR,
124};
109 125
110/* for TCP_INFO socket option */ 126/* for TCP_INFO socket option */
111#define TCPI_OPT_TIMESTAMPS 1 127#define TCPI_OPT_TIMESTAMPS 1
@@ -353,7 +369,11 @@ struct tcp_sock {
353 u8 nonagle : 4,/* Disable Nagle algorithm? */ 369 u8 nonagle : 4,/* Disable Nagle algorithm? */
354 thin_lto : 1,/* Use linear timeouts for thin streams */ 370 thin_lto : 1,/* Use linear timeouts for thin streams */
355 thin_dupack : 1,/* Fast retransmit on first dupack */ 371 thin_dupack : 1,/* Fast retransmit on first dupack */
356 unused : 2; 372 repair : 1,
373 unused : 1;
374 u8 repair_queue;
375 u8 do_early_retrans:1,/* Enable RFC5827 early-retransmit */
376 early_retrans_delayed:1; /* Delayed ER timer installed */
357 377
358/* RTT measurement */ 378/* RTT measurement */
359 u32 srtt; /* smoothed round trip time << 3 */ 379 u32 srtt; /* smoothed round trip time << 3 */
@@ -406,7 +426,7 @@ struct tcp_sock {
406 426
407 struct sk_buff_head out_of_order_queue; /* Out of order segments go here */ 427 struct sk_buff_head out_of_order_queue; /* Out of order segments go here */
408 428
409 /* SACKs data, these 2 need to be together (see tcp_build_and_update_options) */ 429 /* SACKs data, these 2 need to be together (see tcp_options_write) */
410 struct tcp_sack_block duplicate_sack[1]; /* D-SACK block */ 430 struct tcp_sack_block duplicate_sack[1]; /* D-SACK block */
411 struct tcp_sack_block selective_acks[4]; /* The SACKS themselves*/ 431 struct tcp_sack_block selective_acks[4]; /* The SACKS themselves*/
412 432