X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=include%2Fnet%2Ftcp.h;h=633147cb6bbc8967bc5ab04bdd6dd251a9dde90d;hb=4934ed888e6fe78d9d339471fb870819da911e8b;hp=723b36851dde5deb165ecfca75aab580f8b8a0a6;hpb=2051f11fb86b0056fec440fe7e9fa8370d60a5c6;p=linux-2.6

diff --git a/include/net/tcp.h b/include/net/tcp.h
index 723b36851d..633147cb6b 100644
--- a/include/net/tcp.h
+++ b/include/net/tcp.h
@@ -442,6 +442,9 @@ extern struct sock *cookie_v4_check(struct sock *sk, struct sk_buff *skb,
 extern __u32 cookie_v4_init_sequence(struct sock *sk, struct sk_buff *skb, 
 				     __u16 *mss);
 
+extern __u32 cookie_init_timestamp(struct request_sock *req);
+extern void cookie_check_timestamp(struct tcp_options_received *tcp_opt);
+
 /* From net/ipv6/syncookies.c */
 extern struct sock *cookie_v6_check(struct sock *sk, struct sk_buff *skb);
 extern __u32 cookie_v6_init_sequence(struct sock *sk, struct sk_buff *skb,
@@ -760,6 +763,8 @@ static inline unsigned int tcp_packets_in_flight(const struct tcp_sock *tp)
 	return tp->packets_out - tcp_left_out(tp) + tp->retrans_out;
 }
 
+extern int tcp_limit_reno_sacked(struct tcp_sock *tp);
+
 /* If cwnd > ssthresh, we may raise ssthresh to be half-way to cwnd.
  * The exception is rate halving phase, when cwnd is decreasing towards
  * ssthresh.
@@ -782,11 +787,14 @@ extern void tcp_enter_cwr(struct sock *sk, const int set_ssthresh);
 extern __u32 tcp_init_cwnd(struct tcp_sock *tp, struct dst_entry *dst);
 
 /* Slow start with delack produces 3 packets of burst, so that
- * it is safe "de facto".
+ * it is safe "de facto".  This will be the default - same as
+ * the default reordering threshold - but if reordering increases,
+ * we must be able to allow cwnd to burst at least this much in order
+ * to not pull it back when holes are filled.
  */
 static __inline__ __u32 tcp_max_burst(const struct tcp_sock *tp)
 {
-	return 3;
+	return tp->reordering;
 }
 
 /* Returns end sequence number of the receiver's advertised window */
@@ -956,6 +964,7 @@ static inline void tcp_openreq_init(struct request_sock *req,
 	struct inet_request_sock *ireq = inet_rsk(req);
 
 	req->rcv_wnd = 0;		/* So that tcp_send_synack() knows! */
+	req->cookie_ts = 0;
 	tcp_rsk(req)->rcv_isn = TCP_SKB_CB(skb)->seq;
 	req->mss = rx_opt->mss_clamp;
 	req->ts_recent = rx_opt->saw_tstamp ? rx_opt->rcv_tsval : 0;
@@ -1243,7 +1252,7 @@ static inline void tcp_insert_write_queue_after(struct sk_buff *skb,
 						struct sk_buff *buff,
 						struct sock *sk)
 {
-	__skb_append(skb, buff, &sk->sk_write_queue);
+	__skb_queue_after(&sk->sk_write_queue, skb, buff);
 }
 
 /* Insert skb between prev and next on the write queue of sk.  */
@@ -1321,20 +1330,18 @@ enum tcp_seq_states {
 };
 
 struct tcp_seq_afinfo {
-	struct module		*owner;
 	char			*name;
 	sa_family_t		family;
-	int			(*seq_show) (struct seq_file *m, void *v);
-	struct file_operations	*seq_fops;
+	struct file_operations	seq_fops;
+	struct seq_operations	seq_ops;
 };
 
 struct tcp_iter_state {
-	struct net              *net;
+	struct seq_net_private	p;
 	sa_family_t		family;
 	enum tcp_seq_states	state;
 	struct sock		*syn_wait_sk;
 	int			bucket, sbucket, num, uid;
-	struct seq_operations	seq_ops;
 };
 
 extern int tcp_proc_register(struct net *net, struct tcp_seq_afinfo *afinfo);