linux 2.6.16.38 w/ vs2.0.3-rc1

[linux-2.6.git] / include / net / tcp.h

diff --git a/include/net/tcp.h b/include/net/tcp.h
index 7811568..77f21c6 100644 (file)
--- a/include/net/tcp.h
+++ b/include/net/tcp.h
@@ -21,13 +21,13 @@
 #define TCP_DEBUG 1
 #define FASTRETRANS_DEBUG 1
 
+#include <linux/config.h>
 #include <linux/list.h>
 #include <linux/tcp.h>
 #include <linux/slab.h>
 #include <linux/cache.h>
 #include <linux/percpu.h>
 #include <linux/skbuff.h>
-#include <linux/dmaengine.h>
 
 #include <net/inet_connection_sock.h>
 #include <net/inet_timewait_sock.h>
@@ -60,9 +60,6 @@ extern void tcp_time_wait(struct sock *sk, int state, int timeo);
 /* Minimal RCV_MSS. */
 #define TCP_MIN_RCVMSS         536U
 
-/* The least MTU to use for probing */
-#define TCP_BASE_MSS           512
-
 /* After receiving this amount of duplicate ACKs fast retransmit starts. */
 #define TCP_FASTRETRANS_THRESH 3
 
@@ -218,15 +215,10 @@ extern int sysctl_tcp_adv_win_scale;
 extern int sysctl_tcp_tw_reuse;
 extern int sysctl_tcp_frto;
 extern int sysctl_tcp_low_latency;
-extern int sysctl_tcp_dma_copybreak;
 extern int sysctl_tcp_nometrics_save;
 extern int sysctl_tcp_moderate_rcvbuf;
 extern int sysctl_tcp_tso_win_divisor;
 extern int sysctl_tcp_abc;
-extern int sysctl_tcp_mtu_probing;
-extern int sysctl_tcp_base_mss;
-extern int sysctl_tcp_workaround_signed_windows;
-extern int sysctl_tcp_slow_start_after_idle;
 
 extern atomic_t tcp_memory_allocated;
 extern atomic_t tcp_sockets_allocated;
@@ -271,8 +263,6 @@ extern void                 tcp_shutdown (struct sock *sk, int how);
 
 extern int                     tcp_v4_rcv(struct sk_buff *skb);
 
-extern struct sock *           tcp_v4_lookup_listener(u32 daddr, unsigned short hnum, int dif);
-
 extern int                     tcp_v4_remember_stamp(struct sock *sk);
 
 extern int                     tcp_v4_tw_remember_stamp(struct inet_timewait_sock *tw);
@@ -297,8 +287,6 @@ extern int                  tcp_rcv_established(struct sock *sk,
 
 extern void                    tcp_rcv_space_adjust(struct sock *sk);
 
-extern void                    tcp_cleanup_rbuf(struct sock *sk, int copied);
-
 extern int                     tcp_twsk_unique(struct sock *sk,
                                                struct sock *sktw, void *twp);
 
@@ -359,12 +347,6 @@ extern int                 tcp_getsockopt(struct sock *sk, int level,
 extern int                     tcp_setsockopt(struct sock *sk, int level, 
                                               int optname, char __user *optval, 
                                               int optlen);
-extern int                     compat_tcp_getsockopt(struct sock *sk,
-                                       int level, int optname,
-                                       char __user *optval, int __user *optlen);
-extern int                     compat_tcp_setsockopt(struct sock *sk,
-                                       int level, int optname,
-                                       char __user *optval, int optlen);
 extern void                    tcp_set_keepalive(struct sock *sk, int val);
 extern int                     tcp_recvmsg(struct kiocb *iocb, struct sock *sk,
                                            struct msghdr *msg,
@@ -411,6 +393,9 @@ extern int                  tcp_disconnect(struct sock *sk, int flags);
 
 extern void                    tcp_unhash(struct sock *sk);
 
+extern int                     tcp_v4_hash_connecting(struct sock *sk);
+
+
 /* From syncookies.c */
 extern struct sock *cookie_v4_check(struct sock *sk, struct sk_buff *skb, 
                                    struct ip_options *opt);
@@ -437,7 +422,6 @@ extern int  tcp_send_synack(struct sock *);
 extern void tcp_push_one(struct sock *, unsigned int mss_now);
 extern void tcp_send_ack(struct sock *sk);
 extern void tcp_send_delayed_ack(struct sock *sk);
-extern void tcp_cleanup_rbuf(struct sock *sk, int copied);
 
 /* tcp_input.c */
 extern void tcp_cwnd_application_limited(struct sock *sk);
@@ -463,10 +447,6 @@ extern int tcp_read_sock(struct sock *sk, read_descriptor_t *desc,
 
 extern void tcp_initialize_rcv_mss(struct sock *sk);
 
-extern int tcp_mtu_to_mss(struct sock *sk, int pmtu);
-extern int tcp_mss_to_mtu(struct sock *sk, int mss);
-extern void tcp_mtup_init(struct sock *sk);
-
 static inline void __tcp_fast_path_on(struct tcp_sock *tp, u32 snd_wnd)
 {
        tp->pred_flags = htonl((tp->tcp_header_len << 26) |
@@ -572,13 +552,13 @@ struct tcp_skb_cb {
  */
 static inline int tcp_skb_pcount(const struct sk_buff *skb)
 {
-       return skb_shinfo(skb)->gso_segs;
+       return skb_shinfo(skb)->tso_segs;
 }
 
 /* This is valid iff tcp_skb_pcount() > 1. */
 static inline int tcp_skb_mss(const struct sk_buff *skb)
 {
-       return skb_shinfo(skb)->gso_size;
+       return skb_shinfo(skb)->tso_size;
 }
 
 static inline void tcp_dec_pcount_approx(__u32 *count,
@@ -635,7 +615,7 @@ struct tcp_congestion_ops {
        /* return slow start threshold (required) */
        u32 (*ssthresh)(struct sock *sk);
        /* lower bound for congestion window (optional) */
-       u32 (*min_cwnd)(const struct sock *sk);
+       u32 (*min_cwnd)(struct sock *sk);
        /* do new cwnd calculation (required) */
        void (*cong_avoid)(struct sock *sk, u32 ack,
                           u32 rtt, u32 in_flight, int good_ack);
@@ -670,7 +650,7 @@ extern struct tcp_congestion_ops tcp_init_congestion_ops;
 extern u32 tcp_reno_ssthresh(struct sock *sk);
 extern void tcp_reno_cong_avoid(struct sock *sk, u32 ack,
                                u32 rtt, u32 in_flight, int flag);
-extern u32 tcp_reno_min_cwnd(const struct sock *sk);
+extern u32 tcp_reno_min_cwnd(struct sock *sk);
 extern struct tcp_congestion_ops tcp_reno;
 
 static inline void tcp_set_ca_state(struct sock *sk, const u8 ca_state)
@@ -754,7 +734,7 @@ static inline int tcp_is_cwnd_limited(const struct sock *sk, u32 in_flight)
        if (in_flight >= tp->snd_cwnd)
                return 1;
 
-       if (!sk_can_gso(sk))
+       if (!(sk->sk_route_caps & NETIF_F_TSO))
                return 0;
 
        left = tp->snd_cwnd - in_flight;
@@ -824,12 +804,6 @@ static inline void tcp_prequeue_init(struct tcp_sock *tp)
        tp->ucopy.len = 0;
        tp->ucopy.memory = 0;
        skb_queue_head_init(&tp->ucopy.prequeue);
-#ifdef CONFIG_NET_DMA
-       tp->ucopy.dma_chan = NULL;
-       tp->ucopy.wakeup = 0;
-       tp->ucopy.pinned_list = NULL;
-       tp->ucopy.dma_cookie = 0;
-#endif
 }
 
 /* Packet is added to VJ-style prequeue for processing in process
@@ -917,9 +891,6 @@ static inline void tcp_set_state(struct sock *sk, int state)
 
 static inline void tcp_done(struct sock *sk)
 {
-       if(sk->sk_state == TCP_SYN_SENT || sk->sk_state == TCP_SYN_RECV)
-               TCP_INC_STATS_BH(TCP_MIB_ATTEMPTFAILS);
-
        tcp_set_state(sk, TCP_CLOSE);
        tcp_clear_xmit_timers(sk);
 
@@ -1092,9 +1063,6 @@ extern struct request_sock_ops tcp_request_sock_ops;
 
 extern int tcp_v4_destroy_sock(struct sock *sk);
 
-extern int tcp_v4_gso_send_check(struct sk_buff *skb);
-extern struct sk_buff *tcp_tso_segment(struct sk_buff *skb, int features);
-
 #ifdef CONFIG_PROC_FS
 extern int  tcp4_proc_init(void);
 extern void tcp4_proc_exit(void);