1 /*-
2  * SPDX-License-Identifier: BSD-3-Clause
58 /*-
59 --0         1         2         3         4         5         6         7
60 --0123456789012345678901234567890123456789012345678901234567890123456789012345
63 02999999999999 connections accepted     999999999999 - data
64 03999999999999 connections established  999999999999 - data (retransmit by dupack)
65 04999999999999 connections dropped      999999999999 - data (retransmit by sack)
66 05999999999999 - in embryonic state     999999999999 - ack-only
67 06999999999999 - on retransmit timeout  999999999999 - window probes
68 07999999999999 - by keepalive           999999999999 - window updates
69 08999999999999 - from listen queue      999999999999 - urgent data only
70 09                                      999999999999 - control
71 10                                      999999999999 - resends by PMTU discovery
73 12999999999999 potential rtt updates    999999999999 - in sequence
74 13999999999999 - successful             999999999999 - completely duplicate
75 14999999999999 delayed acks sent        999999999999 - with some duplicate data
76 15999999999999 retransmit timeouts      999999999999 - out-of-order
77 16999999999999 persist timeouts         999999999999 - duplicate acks
78 17999999999999 keepalive probes         999999999999 - acks
79 18999999999999 - timeouts               999999999999 - window probes
80 19                                      999999999999 - window updates
81 20                                      999999999999 - bad checksum
82 --0123456789012345678901234567890123456789012345678901234567890123456789012345
83 --0         1         2         3         4         5         6         7
89 	return (subwin(stdscr, LINES-3-1, 0, MAINWIN_ROW, 0));  in opentcp()
106 #define L(row, str) mvwprintw(wnd, row, 13, str)  in labeltcp()  argument
107 #define R(row, str) mvwprintw(wnd, row, 51, str);  in labeltcp()  argument
110 	L(2, "connections accepted");		R(2, "- data");  in labeltcp()
111 	L(3, "connections established");	R(3, "- data (retransmit by dupack)");  in labeltcp()
112 	L(4, "connections dropped");		R(4, "- data (retransmit by sack)");  in labeltcp()
113 	L(5, "- in embryonic state");		R(5, "- ack-only");  in labeltcp()
114 	L(6, "- on retransmit timeout");	R(6, "- window probes");  in labeltcp()
115 	L(7, "- by keepalive");			R(7, "- window updates");  in labeltcp()
116 	L(8, "- exceeded progress time");	R(8, "- urgent data only");  in labeltcp()
117 	L(9, "- from listen queue");		R(9, "- control");  in labeltcp()
118 						R(10, "- resends by PMTU discovery");  in labeltcp()
120 	L(12, "potential rtt updates");		R(12, "- in sequence");  in labeltcp()
121 	L(13, "- successful");			R(13, "- completely duplicate");  in labeltcp()
122 	L(14, "delayed acks sent");		R(14, "- with some duplicate data");  in labeltcp()
123 	L(15, "retransmit timeouts");		R(15, "- out-of-order");  in labeltcp()
124 	L(16, "persist timeouts");		R(16, "- duplicate acks");  in labeltcp()
125 	L(17, "keepalive probes");		R(17, "- acks");  in labeltcp()
126 	L(18, "- timeouts");			R(18, "- window probes");  in labeltcp()
127 						R(19, "- window updates");  in labeltcp()
128 						R(20, "- bad checksum");  in labeltcp()
142 		divisor = (delay > 1000000) ? delay / 1000000 : 1;  in domode()
154 #define DO(stat) ret->stat = (curstat.stat - sub->stat) / divisor  in domode()
229 #define DO(stat, row, col) \  in showtcp()  argument
230 	mvwprintw(wnd, row, col, "%12"PRIu64, stats.stat)  in showtcp()
231 #define	L(row, stat) DO(stat, row, 0)  in showtcp()  argument
232 #define	R(row, stat) DO(stat, row, 38)  in showtcp()  argument
275 		error("tcpstat structure has grown--recompile systat!");  in inittcp()