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-rw-r--r--include/linux/tcp.h7
1 files changed, 6 insertions, 1 deletions
diff --git a/include/linux/tcp.h b/include/linux/tcp.h
index 7fee8a4df931..a778ee024590 100644
--- a/include/linux/tcp.h
+++ b/include/linux/tcp.h
@@ -103,6 +103,8 @@ enum {
#define TCP_CONGESTION 13 /* Congestion control algorithm */
#define TCP_MD5SIG 14 /* TCP MD5 Signature (RFC2385) */
#define TCP_COOKIE_TRANSACTIONS 15 /* TCP Cookie Transactions */
+#define TCP_THIN_LINEAR_TIMEOUTS 16 /* Use linear timeouts for thin streams*/
+#define TCP_THIN_DUPACK 17 /* Fast retrans. after 1 dupack */
/* for TCP_INFO socket option */
#define TCPI_OPT_TIMESTAMPS 1
@@ -340,7 +342,10 @@ struct tcp_sock {
u32 frto_highmark; /* snd_nxt when RTO occurred */
u16 advmss; /* Advertised MSS */
u8 frto_counter; /* Number of new acks after RTO */
- u8 nonagle; /* Disable Nagle algorithm? */
+ u8 nonagle : 4,/* Disable Nagle algorithm? */
+ thin_lto : 1,/* Use linear timeouts for thin streams */
+ thin_dupack : 1,/* Fast retransmit on first dupack */
+ unused : 2;
/* RTT measurement */
u32 srtt; /* smoothed round trip time << 3 */