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[ICSK]: Introduce reqsk_queue_prune from code in tcp_synack_timer

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With this we're very close to getting all of the current TCP
refactorings in my dccp-2.6 tree merged, next changeset will export
some functions needed by the current DCCP code and then dccp-2.6.git
will be born!

Signed-off-by: Arnaldo Carvalho de Melo <acme@ghostprotocols.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Arnaldo Carvalho de Melo
2005-08-09 20:11:56 -07:00
committed by David S. Miller
parent 0a5578cf8e
commit 295f7324ff
10 changed files with 67 additions and 37 deletions
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11
net/ipv4/tcp_input.c
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@@ -3831,6 +3831,7 @@ static int tcp_rcv_synsent_state_process(struct sock *sk, struct sk_buff *skb,
tcp_parse_options(skb, &tp->rx_opt, 0);
if (th->ack) {
struct inet_connection_sock *icsk;
/* rfc793:
* "If the state is SYN-SENT then
* first check the ACK bit
@@ -3956,7 +3957,11 @@ static int tcp_rcv_synsent_state_process(struct sock *sk, struct sk_buff *skb,
sk_wake_async(sk, 0, POLL_OUT);
}
if (sk->sk_write_pending || tp->defer_accept || inet_csk(sk)->icsk_ack.pingpong) {
icsk = inet_csk(sk);
if (sk->sk_write_pending ||
icsk->icsk_accept_queue.rskq_defer_accept ||
icsk->icsk_ack.pingpong) {
/* Save one ACK. Data will be ready after
* several ticks, if write_pending is set.
*
@@ -3965,8 +3970,8 @@ static int tcp_rcv_synsent_state_process(struct sock *sk, struct sk_buff *skb,
* to stand against the temptation 8) --ANK
*/
inet_csk_schedule_ack(sk);
inet_csk(sk)->icsk_ack.lrcvtime = tcp_time_stamp;
inet_csk(sk)->icsk_ack.ato = TCP_ATO_MIN;
icsk->icsk_ack.lrcvtime = tcp_time_stamp;
icsk->icsk_ack.ato = TCP_ATO_MIN;
tcp_incr_quickack(sk);
tcp_enter_quickack_mode(sk);
inet_csk_reset_xmit_timer(sk, ICSK_TIME_DACK,