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Diffstat (limited to 'net/ipv4/tcp_input.c')
-rw-r--r--net/ipv4/tcp_input.c18
1 files changed, 8 insertions, 10 deletions
diff --git a/net/ipv4/tcp_input.c b/net/ipv4/tcp_input.c
index 04334661fa28..3c426cb318e7 100644
--- a/net/ipv4/tcp_input.c
+++ b/net/ipv4/tcp_input.c
@@ -78,10 +78,13 @@ int sysctl_tcp_window_scaling __read_mostly = 1;
78int sysctl_tcp_sack __read_mostly = 1; 78int sysctl_tcp_sack __read_mostly = 1;
79int sysctl_tcp_fack __read_mostly = 1; 79int sysctl_tcp_fack __read_mostly = 1;
80int sysctl_tcp_reordering __read_mostly = TCP_FASTRETRANS_THRESH; 80int sysctl_tcp_reordering __read_mostly = TCP_FASTRETRANS_THRESH;
81EXPORT_SYMBOL(sysctl_tcp_reordering);
81int sysctl_tcp_ecn __read_mostly = 2; 82int sysctl_tcp_ecn __read_mostly = 2;
83EXPORT_SYMBOL(sysctl_tcp_ecn);
82int sysctl_tcp_dsack __read_mostly = 1; 84int sysctl_tcp_dsack __read_mostly = 1;
83int sysctl_tcp_app_win __read_mostly = 31; 85int sysctl_tcp_app_win __read_mostly = 31;
84int sysctl_tcp_adv_win_scale __read_mostly = 2; 86int sysctl_tcp_adv_win_scale __read_mostly = 2;
87EXPORT_SYMBOL(sysctl_tcp_adv_win_scale);
85 88
86int sysctl_tcp_stdurg __read_mostly; 89int sysctl_tcp_stdurg __read_mostly;
87int sysctl_tcp_rfc1337 __read_mostly; 90int sysctl_tcp_rfc1337 __read_mostly;
@@ -419,6 +422,7 @@ void tcp_initialize_rcv_mss(struct sock *sk)
419 422
420 inet_csk(sk)->icsk_ack.rcv_mss = hint; 423 inet_csk(sk)->icsk_ack.rcv_mss = hint;
421} 424}
425EXPORT_SYMBOL(tcp_initialize_rcv_mss);
422 426
423/* Receiver "autotuning" code. 427/* Receiver "autotuning" code.
424 * 428 *
@@ -2938,6 +2942,7 @@ void tcp_simple_retransmit(struct sock *sk)
2938 } 2942 }
2939 tcp_xmit_retransmit_queue(sk); 2943 tcp_xmit_retransmit_queue(sk);
2940} 2944}
2945EXPORT_SYMBOL(tcp_simple_retransmit);
2941 2946
2942/* Process an event, which can update packets-in-flight not trivially. 2947/* Process an event, which can update packets-in-flight not trivially.
2943 * Main goal of this function is to calculate new estimate for left_out, 2948 * Main goal of this function is to calculate new estimate for left_out,
@@ -3858,6 +3863,7 @@ void tcp_parse_options(struct sk_buff *skb, struct tcp_options_received *opt_rx,
3858 } 3863 }
3859 } 3864 }
3860} 3865}
3866EXPORT_SYMBOL(tcp_parse_options);
3861 3867
3862static int tcp_parse_aligned_timestamp(struct tcp_sock *tp, struct tcphdr *th) 3868static int tcp_parse_aligned_timestamp(struct tcp_sock *tp, struct tcphdr *th)
3863{ 3869{
@@ -3931,6 +3937,7 @@ u8 *tcp_parse_md5sig_option(struct tcphdr *th)
3931 } 3937 }
3932 return NULL; 3938 return NULL;
3933} 3939}
3940EXPORT_SYMBOL(tcp_parse_md5sig_option);
3934#endif 3941#endif
3935 3942
3936static inline void tcp_store_ts_recent(struct tcp_sock *tp) 3943static inline void tcp_store_ts_recent(struct tcp_sock *tp)
@@ -5432,6 +5439,7 @@ discard:
5432 __kfree_skb(skb); 5439 __kfree_skb(skb);
5433 return 0; 5440 return 0;
5434} 5441}
5442EXPORT_SYMBOL(tcp_rcv_established);
5435 5443
5436static int tcp_rcv_synsent_state_process(struct sock *sk, struct sk_buff *skb, 5444static int tcp_rcv_synsent_state_process(struct sock *sk, struct sk_buff *skb,
5437 struct tcphdr *th, unsigned len) 5445 struct tcphdr *th, unsigned len)
@@ -5931,14 +5939,4 @@ discard:
5931 } 5939 }
5932 return 0; 5940 return 0;
5933} 5941}
5934
5935EXPORT_SYMBOL(sysctl_tcp_ecn);
5936EXPORT_SYMBOL(sysctl_tcp_reordering);
5937EXPORT_SYMBOL(sysctl_tcp_adv_win_scale);
5938EXPORT_SYMBOL(tcp_parse_options);
5939#ifdef CONFIG_TCP_MD5SIG
5940EXPORT_SYMBOL(tcp_parse_md5sig_option);
5941#endif
5942EXPORT_SYMBOL(tcp_rcv_established);
5943EXPORT_SYMBOL(tcp_rcv_state_process); 5942EXPORT_SYMBOL(tcp_rcv_state_process);
5944EXPORT_SYMBOL(tcp_initialize_rcv_mss);