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p; tcp_death_row.sysctl_tw_recycle && tcptw->tw_ts_recent_stamp &&
58. tcp_v4_tw_remember_stamp(tw))
59. inet_twsk_schedule(tw, &tcp_death_row, tw->tw_timeout,
60. TCP_TIMEWAIT_LEN);
61. else
62. inet_twsk_schedule(tw, &tcp_death_row, TCP_TIMEWAIT_LEN,
63. TCP_TIMEWAIT_LEN);
64.
65.
66. return TCP_TW_ACK;
67. }
if (tw->tw_substate == TCP_FIN_WAIT2){
/* Just repeat all the checks of tcp_rcv_state_process() */
/* Out of window, send ACK */
if (paws_reject ||
!tcp_in_window(TCP_SKB_CB(skb)->seq, TCP_SKB_CB(skb)-论文网 >end_seq,
tcptw->tw_rcv_nxt,
tcptw->tw_rcv_nxt + tcptw->tw_rcv_wnd))
return TCP_TW_ACK;
if (th->rst)
goto kill;
if (th->syn && !before(TCP_SKB_CB(skb)->seq, tcptw->tw_rcv_nxt))
goto kill_with_rst;
/* Dup ACK? */
if (!th->ack ||
!after(TCP_SKB_CB(skb)->end_seq, tcptw->tw_rcv_nxt) ||
TCP_SKB_CB(skb)->end_seq == TCP_SKB_CB(skb)->seq) {
inet_twsk_put(tw);
return TCP_TW_SUCCESS;
}
/* New data or FIN. If new data arrive after half-duplex close,
&
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