From: Ilpo Järvinen Date: Thu, 22 Feb 2007 06:59:58 +0000 (-0800) Subject: [TCP] FRTO: Moved tcp_use_frto from tcp.h to tcp_input.c X-Git-Tag: v2.6.22-rc1~1128^2~445 X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=bdaae17da81db79b9aa4dfbf43305cfeef64f6a8;p=linux-2.6 [TCP] FRTO: Moved tcp_use_frto from tcp.h to tcp_input.c In addition, removed inline. Signed-off-by: Ilpo Järvinen Signed-off-by: David S. Miller --- diff --git a/include/net/tcp.h b/include/net/tcp.h index 5c472f255b..572a77bb69 100644 --- a/include/net/tcp.h +++ b/include/net/tcp.h @@ -341,6 +341,7 @@ extern struct sock * tcp_check_req(struct sock *sk,struct sk_buff *skb, extern int tcp_child_process(struct sock *parent, struct sock *child, struct sk_buff *skb); +extern int tcp_use_frto(const struct sock *sk); extern void tcp_enter_frto(struct sock *sk); extern void tcp_enter_loss(struct sock *sk, int how); extern void tcp_clear_retrans(struct tcp_sock *tp); @@ -1033,19 +1034,6 @@ static inline int tcp_paws_check(const struct tcp_options_received *rx_opt, int #define TCP_CHECK_TIMER(sk) do { } while (0) -static inline int tcp_use_frto(const struct sock *sk) -{ - const struct tcp_sock *tp = tcp_sk(sk); - - /* F-RTO must be activated in sysctl and there must be some - * unsent new data, and the advertised window should allow - * sending it. - */ - return (sysctl_tcp_frto && sk->sk_send_head && - !after(TCP_SKB_CB(sk->sk_send_head)->end_seq, - tp->snd_una + tp->snd_wnd)); -} - static inline void tcp_mib_init(void) { /* See RFC 2012 */ diff --git a/net/ipv4/tcp_input.c b/net/ipv4/tcp_input.c index c5be3d0465..fe96e176d8 100644 --- a/net/ipv4/tcp_input.c +++ b/net/ipv4/tcp_input.c @@ -1236,6 +1236,19 @@ tcp_sacktag_write_queue(struct sock *sk, struct sk_buff *ack_skb, u32 prior_snd_ return flag; } +int tcp_use_frto(const struct sock *sk) +{ + const struct tcp_sock *tp = tcp_sk(sk); + + /* F-RTO must be activated in sysctl and there must be some + * unsent new data, and the advertised window should allow + * sending it. + */ + return (sysctl_tcp_frto && sk->sk_send_head && + !after(TCP_SKB_CB(sk->sk_send_head)->end_seq, + tp->snd_una + tp->snd_wnd)); +} + /* RTO occurred, but do not yet enter loss state. Instead, transmit two new * segments to see from the next ACKs whether any data was really missing. * If the RTO was spurious, new ACKs should arrive.