388 			if (off < sbused(&so->so_snd))  in tcp_default_output()
414 			len = imin(sbavail(&so->so_snd), sendwin) - off;  in tcp_default_output()
422 			    imin(sbavail(&so->so_snd), sendwin) -  in tcp_default_output()
498 		    (off < (int) sbavail(&so->so_snd)) &&  in tcp_default_output()
568 		    tp->snd_una + sbused(&so->so_snd))) {  in tcp_default_output()
613 		    (uint32_t)len + (uint32_t)off >= sbavail(&so->so_snd) &&  in tcp_default_output()
747 	if (sbavail(&so->so_snd) && !tcp_timer_active(tp, TT_REXMT) &&  in tcp_default_output()
946 			    sbavail(&so->so_snd)) {  in tcp_default_output()
1078 		mb = sbsndptr_noadv(&so->so_snd, off, &moff);  in tcp_default_output()
1083 				sbsndptr_adv(&so->so_snd, mb, len);  in tcp_default_output()
1091 				msb = &so->so_snd;  in tcp_default_output()
1122 		if (((uint32_t)off + (uint32_t)len == sbused(&so->so_snd)) &&  in tcp_default_output()
1423 		lgb = tcp_log_event(tp, th, &so->so_rcv, &so->so_snd,  in tcp_default_output()
1572 				    ulmin(sbavail(&so->so_snd) - off, sendwin);  in tcp_default_output()
1595 		} else if (len == 0 && sbavail(&so->so_snd) &&  in tcp_default_output()
2163 	if (V_tcp_do_autosndbuf && so->so_snd.sb_flags & SB_AUTOSIZE) {  in tcp_sndbuf_autoscale()
2166 		lowat = V_tcp_sendbuf_auto_lowat ? so->so_snd.sb_lowat : 0;  in tcp_sndbuf_autoscale()
2167 		if ((tp->snd_wnd / 4 * 5) >= so->so_snd.sb_hiwat - lowat &&  in tcp_sndbuf_autoscale()
2168 		    sbused(&so->so_snd) >=  in tcp_sndbuf_autoscale()
2169 		    (so->so_snd.sb_hiwat / 8 * 7) - lowat &&  in tcp_sndbuf_autoscale()
2170 		    sbused(&so->so_snd) < V_tcp_autosndbuf_max &&  in tcp_sndbuf_autoscale()
2171 		    sendwin >= (sbused(&so->so_snd) -  in tcp_sndbuf_autoscale()
2174 			    min(so->so_snd.sb_hiwat + V_tcp_autosndbuf_inc,  in tcp_sndbuf_autoscale()
2176 				so->so_snd.sb_flags &= ~SB_AUTOSIZE;  in tcp_sndbuf_autoscale()