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sys/netinet/tcp_stacks/rack.c
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| Show First 20 Lines • Show All 6,523 Lines • ▼ Show 20 Lines | KASSERT(tp->t_state != TCPS_TIME_WAIT, ("%s: TCPS_TIME_WAIT", | ||||
| memset(&log.u_bbr, 0, sizeof(log.u_bbr)); | memset(&log.u_bbr, 0, sizeof(log.u_bbr)); | ||||
| log.u_bbr.inhpts = rack->rc_inp->inp_in_hpts; | log.u_bbr.inhpts = rack->rc_inp->inp_in_hpts; | ||||
| log.u_bbr.ininput = rack->rc_inp->inp_in_input; | log.u_bbr.ininput = rack->rc_inp->inp_in_input; | ||||
| TCP_LOG_EVENT(tp, th, &so->so_rcv, &so->so_snd, TCP_LOG_IN, 0, | TCP_LOG_EVENT(tp, th, &so->so_rcv, &so->so_snd, TCP_LOG_IN, 0, | ||||
| tlen, &log, true); | tlen, &log, true); | ||||
| } | } | ||||
| /* | /* | ||||
| * If a segment with the ACK-bit set arrives in the SYN-SENT state | |||||
| * check SEQ.ACK first as described on page 66 of RFC 793, section 3.9. | |||||
| */ | |||||
| if ((tp->t_state == TCPS_SYN_SENT) && (thflags & TH_ACK) && | |||||
| (SEQ_LEQ(th->th_ack, tp->iss) || SEQ_GT(th->th_ack, tp->snd_max))) { | |||||
| rack_do_dropwithreset(m, tp, th, BANDLIM_RST_OPENPORT, tlen); | |||||
| return; | |||||
| } | |||||
| /* | |||||
| * Segment received on connection. Reset idle time and keep-alive | * Segment received on connection. Reset idle time and keep-alive | ||||
| * timer. XXX: This should be done after segment validation to | * timer. XXX: This should be done after segment validation to | ||||
| * ignore broken/spoofed segs. | * ignore broken/spoofed segs. | ||||
| */ | */ | ||||
| if (tp->t_idle_reduce && (tp->snd_max == tp->snd_una)) { | if (tp->t_idle_reduce && (tp->snd_max == tp->snd_una)) { | ||||
| #ifdef NETFLIX_CWV | #ifdef NETFLIX_CWV | ||||
| if ((tp->cwv_enabled) && | if ((tp->cwv_enabled) && | ||||
| ((tp->cwv_cwnd_valid == 0) && | ((tp->cwv_cwnd_valid == 0) && | ||||
| ▲ Show 20 Lines • Show All 2,601 Lines • Show Last 20 Lines | |||||