*
* Relax Will Robinson.
*/
- new_win = cur_win;
+ new_win = ALIGN(cur_win, 1 << tp->rx_opt.rcv_wscale);
}
tp->rcv_wnd = new_win;
tp->rcv_wup = tp->rcv_nxt;
xmit_size_goal = mss_now;
if (doing_tso) {
- xmit_size_goal = (65535 -
+ xmit_size_goal = ((sk->sk_gso_max_size - 1) -
inet_csk(sk)->icsk_af_ops->net_header_len -
inet_csk(sk)->icsk_ext_hdr_len -
tp->tcp_header_len);
needed = min(skb->len, window);
- if (skb == tcp_write_queue_tail(sk) && cwnd_len <= needed)
+ if (cwnd_len <= needed)
return cwnd_len;
return needed - needed % mss_now;
limit = min(send_win, cong_win);
/* If a full-sized TSO skb can be sent, do it. */
- if (limit >= 65536)
+ if (limit >= sk->sk_gso_max_size)
goto send_now;
if (sysctl_tcp_tso_win_divisor) {
if (!lost)
return;
+ if (tcp_is_reno(tp))
+ tcp_limit_reno_sacked(tp);
+
tcp_verify_left_out(tp);
/* Don't muck with the congestion window here.
/* RFC1323: The window in SYN & SYN/ACK segments is never scaled. */
th->window = htons(min(req->rcv_wnd, 65535U));
-
+#ifdef CONFIG_SYN_COOKIES
+ if (unlikely(req->cookie_ts))
+ TCP_SKB_CB(skb)->when = cookie_init_timestamp(req);
+ else
+#endif
TCP_SKB_CB(skb)->when = tcp_time_stamp;
tcp_syn_build_options((__be32 *)(th + 1), dst_metric(dst, RTAX_ADVMSS), ireq->tstamp_ok,
ireq->sack_ok, ireq->wscale_ok, ireq->rcv_wscale,
}
}
+EXPORT_SYMBOL(tcp_select_initial_window);
EXPORT_SYMBOL(tcp_connect);
EXPORT_SYMBOL(tcp_make_synack);
EXPORT_SYMBOL(tcp_simple_retransmit);