diff options
| -rw-r--r-- | include/net/tcp.h | 1 | ||||
| -rw-r--r-- | net/ipv4/tcp_input.c | 17 | ||||
| -rw-r--r-- | net/ipv4/tcp_output.c | 15 |
3 files changed, 8 insertions, 25 deletions
diff --git a/include/net/tcp.h b/include/net/tcp.h index 9416236..b192380 100644 --- a/include/net/tcp.h +++ b/include/net/tcp.h @@ -848,7 +848,6 @@ extern __u32 cookie_v4_init_sequence(struct sock *sk, struct sk_buff *skb, /* tcp_output.c */ -extern void __tcp_data_snd_check(struct sock *sk, struct sk_buff *skb); extern void __tcp_push_pending_frames(struct sock *sk, struct tcp_sock *tp, unsigned int cur_mss, int nonagle); extern int tcp_may_send_now(struct sock *sk, struct tcp_sock *tp); diff --git a/net/ipv4/tcp_input.c b/net/ipv4/tcp_input.c index 5774243..b27be2f 100644 --- a/net/ipv4/tcp_input.c +++ b/net/ipv4/tcp_input.c @@ -3346,12 +3346,9 @@ static inline void tcp_check_space(struct sock *sk) } } -static __inline__ void tcp_data_snd_check(struct sock *sk) +static __inline__ void tcp_data_snd_check(struct sock *sk, struct tcp_sock *tp) { - struct sk_buff *skb = sk->sk_send_head; - - if (skb != NULL) - __tcp_data_snd_check(sk, skb); + tcp_push_pending_frames(sk, tp); tcp_check_space(sk); } @@ -3645,7 +3642,7 @@ int tcp_rcv_established(struct sock *sk, struct sk_buff *skb, */ tcp_ack(sk, skb, 0); __kfree_skb(skb); - tcp_data_snd_check(sk); + tcp_data_snd_check(sk, tp); return 0; } else { /* Header too small */ TCP_INC_STATS_BH(TCP_MIB_INERRS); @@ -3711,7 +3708,7 @@ int tcp_rcv_established(struct sock *sk, struct sk_buff *skb, if (TCP_SKB_CB(skb)->ack_seq != tp->snd_una) { /* Well, only one small jumplet in fast path... */ tcp_ack(sk, skb, FLAG_DATA); - tcp_data_snd_check(sk); + tcp_data_snd_check(sk, tp); if (!tcp_ack_scheduled(tp)) goto no_ack; } @@ -3789,7 +3786,7 @@ step5: /* step 7: process the segment text */ tcp_data_queue(sk, skb); - tcp_data_snd_check(sk); + tcp_data_snd_check(sk, tp); tcp_ack_snd_check(sk); return 0; @@ -4099,7 +4096,7 @@ int tcp_rcv_state_process(struct sock *sk, struct sk_buff *skb, /* Do step6 onward by hand. */ tcp_urg(sk, skb, th); __kfree_skb(skb); - tcp_data_snd_check(sk); + tcp_data_snd_check(sk, tp); return 0; } @@ -4290,7 +4287,7 @@ int tcp_rcv_state_process(struct sock *sk, struct sk_buff *skb, /* tcp_data could move socket to TIME-WAIT */ if (sk->sk_state != TCP_CLOSE) { - tcp_data_snd_check(sk); + tcp_data_snd_check(sk, tp); tcp_ack_snd_check(sk); } diff --git a/net/ipv4/tcp_output.c b/net/ipv4/tcp_output.c index e292e11..ce1d7cf 100644 --- a/net/ipv4/tcp_output.c +++ b/net/ipv4/tcp_output.c @@ -894,24 +894,11 @@ void __tcp_push_pending_frames(struct sock *sk, struct tcp_sock *tp, struct sk_buff *skb = sk->sk_send_head; if (skb) { - if (!tcp_skb_is_last(sk, skb)) - nonagle = TCP_NAGLE_PUSH; - if (!tcp_snd_test(sk, skb, cur_mss, nonagle) || - tcp_write_xmit(sk, cur_mss, nonagle)) + if (tcp_write_xmit(sk, cur_mss, nonagle)) tcp_check_probe_timer(sk, tp); } } -void __tcp_data_snd_check(struct sock *sk, struct sk_buff *skb) -{ - struct tcp_sock *tp = tcp_sk(sk); - - if (after(TCP_SKB_CB(skb)->end_seq, tp->snd_una + tp->snd_wnd) || - tcp_packets_in_flight(tp) >= tp->snd_cwnd || - tcp_write_xmit(sk, tcp_current_mss(sk, 1), tp->nonagle)) - tcp_check_probe_timer(sk, tp); -} - /* This function returns the amount that we can raise the * usable window based on the following constraints * |
