2 * Copyright (c) 1983, 1988, 1993
3 * The Regents of the University of California. All rights reserved.
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 * 3. All advertising materials mentioning features or use of this software
14 * must display the following acknowledgement:
15 * This product includes software developed by the University of
16 * California, Berkeley and its contributors.
17 * 4. Neither the name of the University nor the names of its contributors
18 * may be used to endorse or promote products derived from this software
19 * without specific prior written permission.
21 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
36 static char sccsid[] = "@(#)ns.c 8.1 (Berkeley) 6/6/93";
38 static const char rcsid[] =
42 #include <sys/param.h>
43 #include <sys/socket.h>
44 #include <sys/socketvar.h>
46 #include <sys/protosw.h>
48 #include <net/route.h>
51 #include <netinet/tcp_fsm.h>
54 #include <netns/ns_pcb.h>
55 #include <netns/idp.h>
56 #include <netns/idp_var.h>
57 #include <netns/ns_error.h>
59 #include <netns/spidp.h>
60 #include <netns/spp_timer.h>
61 #include <netns/spp_var.h>
63 #include <netns/spp_debug.h>
75 static char *ns_prpr (struct ns_addr *);
76 static void ns_erputil (int, int);
81 * Print a summary of connections related to a Network Systems
82 * protocol. For SPP, also give state of connection.
83 * Listening processes (aflag) are suppressed unless the
84 * -a (all) flag is specified.
88 nsprotopr(u_long off, char *name, int af __unused)
91 register struct nspcb *prev, *next;
96 isspp = strcmp(name, "spp") == 0;
97 kread(off, (char *)&cb, sizeof (struct nspcb));
99 prev = (struct nspcb *)off;
100 if (nspcb.nsp_next == (struct nspcb *)off)
102 for (;nspcb.nsp_next != (struct nspcb *)off; prev = next) {
105 next = nspcb.nsp_next;
106 kread((u_long)next, (char *)&nspcb, sizeof (nspcb));
107 if (nspcb.nsp_prev != prev) {
111 if (!aflag && ns_nullhost(nspcb.nsp_faddr) ) {
114 kread((u_long)nspcb.nsp_socket,
115 (char *)&sockb, sizeof (sockb));
116 ppcb = (u_long) nspcb.nsp_pcb;
119 kread(ppcb, (char *)&sppcb, sizeof (sppcb));
124 printf("Active NS connections");
126 printf(" (including servers)");
129 printf("%-8.8s ", "PCB");
131 "%-5.5s %-6.6s %-6.6s %-18.18s %-18.18s %s\n" :
132 "%-5.5s %-6.6s %-6.6s %-22.22s %-22.22s %s\n",
133 "Proto", "Recv-Q", "Send-Q",
134 "Local Address", "Foreign Address", "(state)");
138 printf("%8x ", ppcb);
139 printf("%-5.5s %6d %6d ", name, sockb.so_rcv.sb_cc,
141 printf(" %-22.22s", ns_prpr(&nspcb.nsp_laddr));
142 printf(" %-22.22s", ns_prpr(&nspcb.nsp_faddr));
144 extern char *tcpstates[];
145 if (sppcb.s_state >= TCP_NSTATES)
146 printf(" %d", sppcb.s_state);
148 printf(" %s", tcpstates[sppcb.s_state]);
155 ((x) ? printf("\t%d %s%s%s -- %s\n",x,y,plural(x),z,"x") : 0)
158 * Dump SPP statistics structure.
161 spp_stats(u_long off, char *name, int af __unused)
163 struct spp_istat spp_istat;
164 #define sppstat spp_istat.newstats
168 kread(off, (char *)&spp_istat, sizeof (spp_istat));
169 printf("%s:\n", name);
170 ANY(spp_istat.nonucn, "connection", " dropped due to no new sockets ");
171 ANY(spp_istat.gonawy, "connection", " terminated due to our end dying");
172 ANY(spp_istat.nonucn, "connection",
173 " dropped due to inability to connect");
174 ANY(spp_istat.noconn, "connection",
175 " dropped due to inability to connect");
176 ANY(spp_istat.notme, "connection",
177 " incompleted due to mismatched id's");
178 ANY(spp_istat.wrncon, "connection", " dropped due to mismatched id's");
179 ANY(spp_istat.bdreas, "packet", " dropped out of sequence");
180 ANY(spp_istat.lstdup, "packet", " duplicating the highest packet");
181 ANY(spp_istat.notyet, "packet", " refused as exceeding allocation");
182 ANY(sppstat.spps_connattempt, "connection", " initiated");
183 ANY(sppstat.spps_accepts, "connection", " accepted");
184 ANY(sppstat.spps_connects, "connection", " established");
185 ANY(sppstat.spps_drops, "connection", " dropped");
186 ANY(sppstat.spps_conndrops, "embryonic connection", " dropped");
187 ANY(sppstat.spps_closed, "connection", " closed (includes drops)");
188 ANY(sppstat.spps_segstimed, "packet", " where we tried to get rtt");
189 ANY(sppstat.spps_rttupdated, "time", " we got rtt");
190 ANY(sppstat.spps_delack, "delayed ack", " sent");
191 ANY(sppstat.spps_timeoutdrop, "connection", " dropped in rxmt timeout");
192 ANY(sppstat.spps_rexmttimeo, "retransmit timeout", "");
193 ANY(sppstat.spps_persisttimeo, "persist timeout", "");
194 ANY(sppstat.spps_keeptimeo, "keepalive timeout", "");
195 ANY(sppstat.spps_keepprobe, "keepalive probe", " sent");
196 ANY(sppstat.spps_keepdrops, "connection", " dropped in keepalive");
197 ANY(sppstat.spps_sndtotal, "total packet", " sent");
198 ANY(sppstat.spps_sndpack, "data packet", " sent");
199 ANY(sppstat.spps_sndbyte, "data byte", " sent");
200 ANY(sppstat.spps_sndrexmitpack, "data packet", " retransmitted");
201 ANY(sppstat.spps_sndrexmitbyte, "data byte", " retransmitted");
202 ANY(sppstat.spps_sndacks, "ack-only packet", " sent");
203 ANY(sppstat.spps_sndprobe, "window probe", " sent");
204 ANY(sppstat.spps_sndurg, "packet", " sent with URG only");
205 ANY(sppstat.spps_sndwinup, "window update-only packet", " sent");
206 ANY(sppstat.spps_sndctrl, "control (SYN|FIN|RST) packet", " sent");
207 ANY(sppstat.spps_sndvoid, "request", " to send a non-existant packet");
208 ANY(sppstat.spps_rcvtotal, "total packet", " received");
209 ANY(sppstat.spps_rcvpack, "packet", " received in sequence");
210 ANY(sppstat.spps_rcvbyte, "byte", " received in sequence");
211 ANY(sppstat.spps_rcvbadsum, "packet", " received with ccksum errs");
212 ANY(sppstat.spps_rcvbadoff, "packet", " received with bad offset");
213 ANY(sppstat.spps_rcvshort, "packet", " received too short");
214 ANY(sppstat.spps_rcvduppack, "duplicate-only packet", " received");
215 ANY(sppstat.spps_rcvdupbyte, "duplicate-only byte", " received");
216 ANY(sppstat.spps_rcvpartduppack, "packet", " with some duplicate data");
217 ANY(sppstat.spps_rcvpartdupbyte, "dup. byte", " in part-dup. packet");
218 ANY(sppstat.spps_rcvoopack, "out-of-order packet", " received");
219 ANY(sppstat.spps_rcvoobyte, "out-of-order byte", " received");
220 ANY(sppstat.spps_rcvpackafterwin, "packet", " with data after window");
221 ANY(sppstat.spps_rcvbyteafterwin, "byte", " rcvd after window");
222 ANY(sppstat.spps_rcvafterclose, "packet", " rcvd after 'close'");
223 ANY(sppstat.spps_rcvwinprobe, "rcvd window probe packet", "");
224 ANY(sppstat.spps_rcvdupack, "rcvd duplicate ack", "");
225 ANY(sppstat.spps_rcvacktoomuch, "rcvd ack", " for unsent data");
226 ANY(sppstat.spps_rcvackpack, "rcvd ack packet", "");
227 ANY(sppstat.spps_rcvackbyte, "byte", " acked by rcvd acks");
228 ANY(sppstat.spps_rcvwinupd, "rcvd window update packet", "");
231 #define ANY(x,y,z) ((x) ? printf("\t%d %s%s%s\n",x,y,plural(x),z) : 0)
234 * Dump IDP statistics structure.
237 idp_stats(u_long off, char *name, int af __unused)
239 struct idpstat idpstat;
243 kread(off, (char *)&idpstat, sizeof (idpstat));
244 printf("%s:\n", name);
245 ANY(idpstat.idps_toosmall, "packet", " smaller than a header");
246 ANY(idpstat.idps_tooshort, "packet", " smaller than advertised");
247 ANY(idpstat.idps_badsum, "packet", " with bad checksums");
255 {0, "Unspecified Error", " at Destination"},
256 {1, "Bad Checksum", " at Destination"},
257 {2, "No Listener", " at Socket"},
258 {3, "Packet", " Refused due to lack of space at Destination"},
259 {01000, "Unspecified Error", " while gatewayed"},
260 {01001, "Bad Checksum", " while gatewayed"},
261 {01002, "Packet", " forwarded too many times"},
262 {01003, "Packet", " too large to be forwarded"},
267 * Dump NS Error statistics structure.
271 nserr_stats(u_long off, char *name, int af __unused)
273 struct ns_errstat ns_errstat;
275 register int histoprint = 1;
280 kread(off, (char *)&ns_errstat, sizeof (ns_errstat));
281 printf("NS error statistics:\n");
282 ANY(ns_errstat.ns_es_error, "call", " to ns_error");
283 ANY(ns_errstat.ns_es_oldshort, "error",
284 " ignored due to insufficient addressing");
285 ANY(ns_errstat.ns_es_oldns_err, "error request",
286 " in response to error packets");
287 ANY(ns_errstat.ns_es_tooshort, "error packet",
288 " received incomplete");
289 ANY(ns_errstat.ns_es_badcode, "error packet",
290 " received of unknown type");
291 for(j = 0; j < NS_ERR_MAX; j ++) {
292 z = ns_errstat.ns_es_outhist[j];
293 if (z && histoprint) {
294 printf("Output Error Histogram:\n");
297 ns_erputil(z, ns_errstat.ns_es_codes[j]);
301 for(j = 0; j < NS_ERR_MAX; j ++) {
302 z = ns_errstat.ns_es_inhist[j];
303 if (z && histoprint) {
304 printf("Input Error Histogram:\n");
307 ns_erputil(z, ns_errstat.ns_es_codes[j]);
312 ns_erputil(int z, int c)
319 if ((name = ns_errnames[j].name) == 0)
321 if (ns_errnames[j].code == c)
326 where = "in transit";
328 where = "at destination";
329 sprintf(codebuf, "Unknown XNS error code 0%o", c);
332 where = ns_errnames[j].where;
336 static struct sockaddr_ns ssns = {AF_NS};
339 char *ns_prpr(struct ns_addr *x)
341 struct sockaddr_ns *sns = &ssns;
344 return(ns_print((struct sockaddr *)sns));