1 files changed, 3 insertions, 18 deletions

diff --git a/include/linux/tcp.h b/include/linux/tcp.h
index f28408c07dc2..5adbc33d1ab3 100644
--- a/include/linux/tcp.h
+++ b/include/linux/tcp.h
@@ -90,9 +90,6 @@ struct tcp_options_received {
                 sack_ok : 4,    /* SACK seen on SYN packet              */
                 snd_wscale : 4, /* Window scaling received from sender  */
                 rcv_wscale : 4; /* Window scaling to send to receiver   */
-        u8      cookie_plus:6,  /* bytes in authenticator/cookie option */
-                cookie_out_never:1,
-                cookie_in_always:1;
         u8      num_sacks;      /* Number of SACK blocks                */
         u16     user_mss;       /* mss requested by user in ioctl       */
         u16     mss_clamp;      /* Maximal mss, negotiated at connection setup */
@@ -102,7 +99,6 @@ static inline void tcp_clear_options(struct tcp_options_received *rx_opt)
 {
         rx_opt->tstamp_ok = rx_opt->sack_ok = 0;
         rx_opt->wscale_ok = rx_opt->snd_wscale = 0;
-        rx_opt->cookie_plus = 0;
 }
 
 /* This is the max number of SACKS that we'll generate and process. It's safe
@@ -191,20 +187,19 @@ struct tcp_sock {
         u32     window_clamp;   /* Maximal window to advertise          */
         u32     rcv_ssthresh;   /* Current window clamp                 */
 
-        u32     frto_highmark;  /* snd_nxt when RTO occurred */
         u16     advmss;         /* Advertised MSS                       */
-        u8      frto_counter;   /* Number of new acks after RTO */
+        u8      unused;
         u8      nonagle     : 4,/* Disable Nagle algorithm?             */
                 thin_lto    : 1,/* Use linear timeouts for thin streams */
                 thin_dupack : 1,/* Fast retransmit on first dupack      */
                 repair      : 1,
-                unused      : 1;
+                frto        : 1;/* F-RTO (RFC5682) activated in CA_Loss */
         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        */
@@ -320,12 +315,6 @@ struct tcp_sock {
         struct tcp_md5sig_info  __rcu *md5sig_info;
 #endif
 
-        /* When the cookie options are generated and exchanged, then this
-         * object holds a reference to them (cookie_values->kref).  Also
-         * contains related tcp_cookie_transactions fields.
-         */
-        struct tcp_cookie_values  *cookie_values;
-
 /* TCP fastopen related information */
         struct tcp_fastopen_request *fastopen_req;
         /* fastopen_rsk points to request_sock that resulted in this big
@@ -361,10 +350,6 @@ struct tcp_timewait_sock {
 #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)