struct tcp_sock *tp = tcp_sk(sk);
int orphans = atomic_read(&tcp_orphan_count);
- /* If peer does not open window for long time, or did not transmit
+ /* If peer does not open window for long time, or did not transmit
* anything for long time, penalize it. */
if ((s32)(tcp_time_stamp - tp->lsndtime) > 2*TCP_RTO_MAX || !do_reset)
orphans <<= 1;
tcp_sync_mss(sk, icsk->icsk_pmtu_cookie);
} else {
mss = min(sysctl_tcp_base_mss,
- tcp_mtu_to_mss(sk, icsk->icsk_mtup.search_low)/2);
+ tcp_mtu_to_mss(sk, icsk->icsk_mtup.search_low)/2);
mss = max(mss, 68 - tp->tcp_header_len);
icsk->icsk_mtup.search_low = tcp_mss_to_mtu(sk, mss);
tcp_sync_mss(sk, icsk->icsk_pmtu_cookie);
retry_until = sysctl_tcp_retries2;
if (sock_flag(sk, SOCK_DEAD)) {
const int alive = (icsk->icsk_rto < TCP_RTO_MAX);
-
+
retry_until = tcp_orphan_retries(sk, alive);
if (tcp_out_of_resources(sk, alive || icsk->icsk_retransmits < retry_until))
struct tcp_sock *tp = tcp_sk(sk);
int max_probes;
- if (tp->packets_out || !sk->sk_send_head) {
+ if (tp->packets_out || !tcp_send_head(sk)) {
icsk->icsk_probes_out = 0;
return;
}
if (sock_flag(sk, SOCK_DEAD)) {
const int alive = ((icsk->icsk_rto << icsk->icsk_backoff) < TCP_RTO_MAX);
-
+
max_probes = tcp_orphan_retries(sk, alive);
if (tcp_out_of_resources(sk, alive || icsk->icsk_probes_out <= max_probes))
if (!tp->packets_out)
goto out;
- BUG_TRAP(!skb_queue_empty(&sk->sk_write_queue));
+ BUG_TRAP(!tcp_write_queue_empty(sk));
if (!tp->snd_wnd && !sock_flag(sk, SOCK_DEAD) &&
!((1 << sk->sk_state) & (TCPF_SYN_SENT | TCPF_SYN_RECV))) {
if (net_ratelimit()) {
struct inet_sock *inet = inet_sk(sk);
printk(KERN_DEBUG "TCP: Treason uncloaked! Peer %u.%u.%u.%u:%u/%u shrinks window %u:%u. Repaired.\n",
- NIPQUAD(inet->daddr), htons(inet->dport),
+ NIPQUAD(inet->daddr), ntohs(inet->dport),
inet->num, tp->snd_una, tp->snd_nxt);
}
#endif
goto out;
}
tcp_enter_loss(sk, 0);
- tcp_retransmit_skb(sk, skb_peek(&sk->sk_write_queue));
+ tcp_retransmit_skb(sk, tcp_write_queue_head(sk));
__sk_dst_reset(sk);
goto out_reset_timer;
}
tcp_enter_loss(sk, 0);
}
- if (tcp_retransmit_skb(sk, skb_peek(&sk->sk_write_queue)) > 0) {
+ if (tcp_retransmit_skb(sk, tcp_write_queue_head(sk)) > 0) {
/* Retransmission failed because of local congestion,
* do not backoff.
*/
/* Only process if socket is not in use. */
bh_lock_sock(sk);
if (sock_owned_by_user(sk)) {
- /* Try again later. */
+ /* Try again later. */
inet_csk_reset_keepalive_timer (sk, HZ/20);
goto out;
}
elapsed = keepalive_time_when(tp);
/* It is alive without keepalive 8) */
- if (tp->packets_out || sk->sk_send_head)
+ if (tp->packets_out || tcp_send_head(sk))
goto resched;
elapsed = tcp_time_stamp - tp->rcv_tstamp;
inet_csk_reset_keepalive_timer (sk, elapsed);
goto out;
-death:
+death:
tcp_done(sk);
out: