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sys/netinet/tcp_stacks/rack.c
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| Show First 20 Lines • Show All 12,485 Lines • ▼ Show 20 Lines | #endif | ||||
| } | } | ||||
| /* Make sure snd_nxt is correctly set */ | /* Make sure snd_nxt is correctly set */ | ||||
| tp->snd_nxt = tp->snd_max; | tp->snd_nxt = tp->snd_max; | ||||
| } | } | ||||
| static void | static void | ||||
| rack_set_state(struct tcpcb *tp, struct tcp_rack *rack) | rack_set_state(struct tcpcb *tp, struct tcp_rack *rack) | ||||
| { | { | ||||
| if ((rack->r_state == TCPS_CLOSED) && (tp->t_state != TCPS_CLOSED)) { | |||||
| rack->r_is_v6 = (tp->t_inpcb->inp_vflag & INP_IPV6) != 0; | |||||
| } | |||||
| switch (tp->t_state) { | switch (tp->t_state) { | ||||
| case TCPS_SYN_SENT: | case TCPS_SYN_SENT: | ||||
| rack->r_state = TCPS_SYN_SENT; | rack->r_state = TCPS_SYN_SENT; | ||||
| rack->r_substate = rack_do_syn_sent; | rack->r_substate = rack_do_syn_sent; | ||||
| break; | break; | ||||
| case TCPS_SYN_RECEIVED: | case TCPS_SYN_RECEIVED: | ||||
| rack->r_state = TCPS_SYN_RECEIVED; | rack->r_state = TCPS_SYN_RECEIVED; | ||||
| rack->r_substate = rack_do_syn_recv; | rack->r_substate = rack_do_syn_recv; | ||||
| ▲ Show 20 Lines • Show All 3,708 Lines • ▼ Show 20 Lines | if (idle > rack_min_probertt_hold) { | ||||
| rack->r_ctl.rc_time_probertt_starts = rack->r_ctl.rc_lower_rtt_us_cts; | rack->r_ctl.rc_time_probertt_starts = rack->r_ctl.rc_lower_rtt_us_cts; | ||||
| rack->r_ctl.rc_time_of_last_probertt = rack->r_ctl.rc_lower_rtt_us_cts; | rack->r_ctl.rc_time_of_last_probertt = rack->r_ctl.rc_lower_rtt_us_cts; | ||||
| } else { | } else { | ||||
| rack_exit_probertt(rack, cts); | rack_exit_probertt(rack, cts); | ||||
| } | } | ||||
| } | } | ||||
| idle = 0; | idle = 0; | ||||
| } | } | ||||
| if (rack_use_fsb && (rack->r_fsb_inited == 0)) | if (rack_use_fsb && (rack->r_fsb_inited == 0) && (rack->r_state != TCPS_CLOSED)) | ||||
| rack_init_fsb_block(tp, rack); | rack_init_fsb_block(tp, rack); | ||||
| again: | again: | ||||
| /* | /* | ||||
| * If we've recently taken a timeout, snd_max will be greater than | * If we've recently taken a timeout, snd_max will be greater than | ||||
| * snd_nxt. There may be SACK information that allows us to avoid | * snd_nxt. There may be SACK information that allows us to avoid | ||||
| * resending already delivered data. Adjust snd_nxt accordingly. | * resending already delivered data. Adjust snd_nxt accordingly. | ||||
| */ | */ | ||||
| sendalot = 0; | sendalot = 0; | ||||
| ▲ Show 20 Lines • Show All 3,797 Lines • Show Last 20 Lines | |||||