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Diffstat (limited to 'include/net/tcp.h')
-rw-r--r--include/net/tcp.h20
1 files changed, 13 insertions, 7 deletions
diff --git a/include/net/tcp.h b/include/net/tcp.h
index 438014d57610..218235de8963 100644
--- a/include/net/tcp.h
+++ b/include/net/tcp.h
@@ -46,7 +46,7 @@
extern struct inet_hashinfo tcp_hashinfo;
-extern atomic_t tcp_orphan_count;
+extern struct percpu_counter tcp_orphan_count;
extern void tcp_time_wait(struct sock *sk, int state, int timeo);
#define MAX_TCP_HEADER (128 + MAX_HEADER)
@@ -238,7 +238,7 @@ extern int sysctl_tcp_slow_start_after_idle;
extern int sysctl_tcp_max_ssthresh;
extern atomic_t tcp_memory_allocated;
-extern atomic_t tcp_sockets_allocated;
+extern struct percpu_counter tcp_sockets_allocated;
extern int tcp_memory_pressure;
/*
@@ -472,8 +472,6 @@ extern void tcp_send_delayed_ack(struct sock *sk);
/* tcp_input.c */
extern void tcp_cwnd_application_limited(struct sock *sk);
-extern void tcp_skb_mark_lost_uncond_verify(struct tcp_sock *tp,
- struct sk_buff *skb);
/* tcp_timer.c */
extern void tcp_init_xmit_timers(struct sock *);
@@ -590,7 +588,6 @@ struct tcp_skb_cb {
#define TCPCB_EVER_RETRANS 0x80 /* Ever retransmitted frame */
#define TCPCB_RETRANS (TCPCB_SACKED_RETRANS|TCPCB_EVER_RETRANS)
- __u16 urg_ptr; /* Valid w/URG flags is set. */
__u32 ack_seq; /* Sequence number ACK'd */
};
@@ -764,8 +761,6 @@ 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.
@@ -1195,6 +1190,11 @@ static inline struct sk_buff *tcp_write_queue_next(struct sock *sk, struct sk_bu
return skb_queue_next(&sk->sk_write_queue, skb);
}
+static inline struct sk_buff *tcp_write_queue_prev(struct sock *sk, struct sk_buff *skb)
+{
+ return skb_queue_prev(&sk->sk_write_queue, skb);
+}
+
#define tcp_for_write_queue(skb, sk) \
skb_queue_walk(&(sk)->sk_write_queue, skb)
@@ -1358,6 +1358,12 @@ extern void 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);
+extern struct sk_buff **tcp_gro_receive(struct sk_buff **head,
+ struct sk_buff *skb);
+extern struct sk_buff **tcp4_gro_receive(struct sk_buff **head,
+ struct sk_buff *skb);
+extern int tcp_gro_complete(struct sk_buff *skb);
+extern int tcp4_gro_complete(struct sk_buff *skb);
#ifdef CONFIG_PROC_FS
extern int tcp4_proc_init(void);