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sys/netinet/tcp_output.c
| Show First 20 Lines • Show All 690 Lines • ▼ Show 20 Lines | if (recwin > 0 && !(tp->t_flags & TF_NEEDSYN) && | ||||
| if (oldwin >> tp->rcv_scale >= (adv + oldwin) >> tp->rcv_scale) | if (oldwin >> tp->rcv_scale >= (adv + oldwin) >> tp->rcv_scale) | ||||
| goto dontupdate; | goto dontupdate; | ||||
| if (adv >= (int32_t)(2 * tp->t_maxseg) && | if (adv >= (int32_t)(2 * tp->t_maxseg) && | ||||
| (adv >= (int32_t)(so->so_rcv.sb_hiwat / 4) || | (adv >= (int32_t)(so->so_rcv.sb_hiwat / 4) || | ||||
| recwin <= (so->so_rcv.sb_hiwat / 8) || | recwin <= (so->so_rcv.sb_hiwat / 8) || | ||||
| so->so_rcv.sb_hiwat <= 8 * tp->t_maxseg)) | so->so_rcv.sb_hiwat <= 8 * tp->t_maxseg)) | ||||
| goto send; | goto send; | ||||
| if (2 * adv >= (int32_t)so->so_rcv.sb_hiwat) | |||||
| goto send; | |||||
| } | } | ||||
| dontupdate: | dontupdate: | ||||
| /* | /* | ||||
| * Send if we owe the peer an ACK, RST, SYN, or urgent data. ACKNOW | * Send if we owe the peer an ACK, RST, SYN, or urgent data. ACKNOW | ||||
| * is also a catch-all for the retransmit timer timeout case. | * is also a catch-all for the retransmit timer timeout case. | ||||
| */ | */ | ||||
| if (tp->t_flags & TF_ACKNOW) | if (tp->t_flags & TF_ACKNOW) | ||||
| ▲ Show 20 Lines • Show All 1,145 Lines • Show Last 20 Lines | |||||