etherswitchcfg.c revision 235289 
1/*-
2 * Copyright (c) 2011-2012 Stefan Bethke.
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
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 *
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24 * SUCH DAMAGE.
25 *
26 * $FreeBSD: head/sbin/etherswitchcfg/etherswitchcfg.c 235289 2012-05-11 20:56:04Z adrian $
27 */
28
29#include <sys/cdefs.h>
30__FBSDID("$FreeBSD: head/sbin/etherswitchcfg/etherswitchcfg.c 235289 2012-05-11 20:56:04Z adrian $");
31
32#include <ctype.h>
33#include <err.h>
34#include <errno.h>
35#include <fcntl.h>
36#include <stdio.h>
37#include <stdlib.h>
38#include <string.h>
39#include <sysexits.h>
40#include <unistd.h>
41#include <sys/types.h>
42#include <sys/ioctl.h>
43#include <net/if.h>
44#include <net/if_media.h>
45#include <dev/etherswitch/etherswitch.h>
46
47int	get_media_subtype(int, const char *);
48int	get_media_mode(int, const char *);
49int	get_media_options(int, const char *);
50int	lookup_media_word(struct ifmedia_description *, const char *);
51void    print_media_word(int, int);
52void    print_media_word_ifconfig(int);
53
54/* some constants */
55#define IEEE802DOT1Q_VID_MAX	4094
56#define IFMEDIAREQ_NULISTENTRIES	256
57
58enum cmdmode {
59	MODE_NONE = 0,
60	MODE_PORT,
61	MODE_VLANGROUP,
62	MODE_REGISTER,
63	MODE_PHYREG
64};
65
66struct cfg {
67	int					fd;
68	int					verbose;
69	int					mediatypes;
70	const char			*controlfile;
71	etherswitch_info_t	info;
72	enum cmdmode		mode;
73	int					unit;
74};
75
76struct cmds {
77	enum cmdmode	mode;
78	const char		*name;
79	int				args;
80	void 			(*f)(struct cfg *, char *argv[]);
81};
82struct cmds cmds[];
83
84
85static void usage(void);
86
87static int
88read_register(struct cfg *cfg, int r)
89{
90	struct etherswitch_reg er;
91
92	er.reg = r;
93	if (ioctl(cfg->fd, IOETHERSWITCHGETREG, &er) != 0)
94		err(EX_OSERR, "ioctl(IOETHERSWITCHGETREG)");
95	return (er.val);
96}
97
98static void
99write_register(struct cfg *cfg, int r, int v)
100{
101	struct etherswitch_reg er;
102
103	er.reg = r;
104	er.val = v;
105	if (ioctl(cfg->fd, IOETHERSWITCHSETREG, &er) != 0)
106		err(EX_OSERR, "ioctl(IOETHERSWITCHSETREG)");
107}
108
109static int
110read_phyregister(struct cfg *cfg, int phy, int reg)
111{
112	struct etherswitch_phyreg er;
113
114	er.phy = phy;
115	er.reg = reg;
116	if (ioctl(cfg->fd, IOETHERSWITCHGETPHYREG, &er) != 0)
117		err(EX_OSERR, "ioctl(IOETHERSWITCHGETPHYREG)");
118	return (er.val);
119}
120
121static void
122write_phyregister(struct cfg *cfg, int phy, int reg, int val)
123{
124	struct etherswitch_phyreg er;
125
126	er.phy = phy;
127	er.reg = reg;
128	er.val = val;
129	if (ioctl(cfg->fd, IOETHERSWITCHSETPHYREG, &er) != 0)
130		err(EX_OSERR, "ioctl(IOETHERSWITCHSETPHYREG)");
131}
132
133static void
134set_port_vlangroup(struct cfg *cfg, char *argv[])
135{
136	int v;
137	etherswitch_port_t p;
138
139	v = strtol(argv[1], NULL, 0);
140	if (v < 0 || v >= cfg->info.es_nvlangroups)
141		errx(EX_USAGE, "vlangroup must be between 0 and %d", cfg->info.es_nvlangroups-1);
142	p.es_port = cfg->unit;
143	if (ioctl(cfg->fd, IOETHERSWITCHGETPORT, &p) != 0)
144		err(EX_OSERR, "ioctl(IOETHERSWITCHGETPORT)");
145	p.es_vlangroup = v;
146	if (ioctl(cfg->fd, IOETHERSWITCHSETPORT, &p) != 0)
147		err(EX_OSERR, "ioctl(IOETHERSWITCHSETPORT)");
148}
149
150static void
151set_port_media(struct cfg *cfg, char *argv[])
152{
153	etherswitch_port_t p;
154	int ifm_ulist[IFMEDIAREQ_NULISTENTRIES];
155	int subtype;
156
157	bzero(&p, sizeof(p));
158	p.es_port = cfg->unit;
159	p.es_ifmr.ifm_ulist = ifm_ulist;
160	p.es_ifmr.ifm_count = IFMEDIAREQ_NULISTENTRIES;
161	if (ioctl(cfg->fd, IOETHERSWITCHGETPORT, &p) != 0)
162		err(EX_OSERR, "ioctl(IOETHERSWITCHGETPORT)");
163	subtype = get_media_subtype(IFM_TYPE(ifm_ulist[0]), argv[1]);
164	p.es_ifr.ifr_media = (p.es_ifmr.ifm_current & IFM_IMASK) |
165	        IFM_TYPE(ifm_ulist[0]) | subtype;
166	if (ioctl(cfg->fd, IOETHERSWITCHSETPORT, &p) != 0)
167		err(EX_OSERR, "ioctl(IOETHERSWITCHSETPORT)");
168}
169
170static void
171set_port_mediaopt(struct cfg *cfg, char *argv[])
172{
173	etherswitch_port_t p;
174	int ifm_ulist[IFMEDIAREQ_NULISTENTRIES];
175	int options;
176
177	bzero(&p, sizeof(p));
178	p.es_port = cfg->unit;
179	p.es_ifmr.ifm_ulist = ifm_ulist;
180	p.es_ifmr.ifm_count = IFMEDIAREQ_NULISTENTRIES;
181	if (ioctl(cfg->fd, IOETHERSWITCHGETPORT, &p) != 0)
182		err(EX_OSERR, "ioctl(IOETHERSWITCHGETPORT)");
183	options = get_media_options(IFM_TYPE(ifm_ulist[0]), argv[1]);
184	if (options == -1)
185		errx(EX_USAGE, "invalid media options \"%s\"", argv[1]);
186	if (options & IFM_HDX) {
187		p.es_ifr.ifr_media &= ~IFM_FDX;
188		options &= ~IFM_HDX;
189	}
190	p.es_ifr.ifr_media |= options;
191	if (ioctl(cfg->fd, IOETHERSWITCHSETPORT, &p) != 0)
192		err(EX_OSERR, "ioctl(IOETHERSWITCHSETPORT)");
193}
194
195static void
196set_vlangroup_vid(struct cfg *cfg, char *argv[])
197{
198	int v;
199	etherswitch_vlangroup_t vg;
200
201	v = strtol(argv[1], NULL, 0);
202	if (v < 0 || v >= IEEE802DOT1Q_VID_MAX)
203		errx(EX_USAGE, "vlan must be between 0 and %d", IEEE802DOT1Q_VID_MAX);
204	vg.es_vlangroup = cfg->unit;
205	if (ioctl(cfg->fd, IOETHERSWITCHGETVLANGROUP, &vg) != 0)
206		err(EX_OSERR, "ioctl(IOETHERSWITCHGETVLANGROUP)");
207	vg.es_vid = v;
208	if (ioctl(cfg->fd, IOETHERSWITCHSETVLANGROUP, &vg) != 0)
209		err(EX_OSERR, "ioctl(IOETHERSWITCHSETVLANGROUP)");
210}
211
212static void
213set_vlangroup_members(struct cfg *cfg, char *argv[])
214{
215	etherswitch_vlangroup_t vg;
216	int member, untagged;
217	char *c, *d;
218	int v;
219
220	member = untagged = 0;
221	if (strcmp(argv[1], "none") != 0) {
222		for (c=argv[1]; *c; c=d) {
223			v = strtol(c, &d, 0);
224			if (d == c)
225				break;
226			if (v < 0 || v >= cfg->info.es_nports)
227				errx(EX_USAGE, "Member port must be between 0 and %d", cfg->info.es_nports-1);
228			if (d[0] == ',' || d[0] == '\0' ||
229				((d[0] == 't' || d[0] == 'T') && (d[1] == ',' || d[1] == '\0'))) {
230				if (d[0] == 't' || d[0] == 'T') {
231					untagged &= ~ETHERSWITCH_PORTMASK(v);
232					d++;
233				} else
234					untagged |= ETHERSWITCH_PORTMASK(v);
235				member |= ETHERSWITCH_PORTMASK(v);
236				d++;
237			} else
238				errx(EX_USAGE, "Invalid members specification \"%s\"", d);
239		}
240	}
241	vg.es_vlangroup = cfg->unit;
242	if (ioctl(cfg->fd, IOETHERSWITCHGETVLANGROUP, &vg) != 0)
243		err(EX_OSERR, "ioctl(IOETHERSWITCHGETVLANGROUP)");
244	vg.es_member_ports = member;
245	vg.es_untagged_ports = untagged;
246	if (ioctl(cfg->fd, IOETHERSWITCHSETVLANGROUP, &vg) != 0)
247		err(EX_OSERR, "ioctl(IOETHERSWITCHSETVLANGROUP)");
248}
249
250static int
251set_register(struct cfg *cfg, char *arg)
252{
253	int a, v;
254	char *c;
255
256	a = strtol(arg, &c, 0);
257	if (c==arg)
258		return (1);
259	if (*c == '=') {
260		v = strtol(c+1, NULL, 0);
261		write_register(cfg, a, v);
262	}
263	printf("\treg 0x%04x=0x%04x\n", a, read_register(cfg, a));
264	return (0);
265}
266
267static int
268set_phyregister(struct cfg *cfg, char *arg)
269{
270	int phy, reg, val;
271	char *c, *d;
272
273	phy = strtol(arg, &c, 0);
274	if (c==arg)
275		return (1);
276	if (*c != '.')
277		return (1);
278	d = c+1;
279	reg = strtol(d, &c, 0);
280	if (d == c)
281		return (1);
282	if (*c == '=') {
283		val = strtol(c+1, NULL, 0);
284		write_phyregister(cfg, phy, reg, val);
285	}
286	printf("\treg %d.0x%02x=0x%04x\n", phy, reg, read_phyregister(cfg, phy, reg));
287	return (0);
288}
289
290static void
291print_port(struct cfg *cfg, int port)
292{
293	etherswitch_port_t p;
294	int ifm_ulist[IFMEDIAREQ_NULISTENTRIES];
295	int i;
296
297	bzero(&p, sizeof(p));
298	p.es_port = port;
299	p.es_ifmr.ifm_ulist = ifm_ulist;
300	p.es_ifmr.ifm_count = IFMEDIAREQ_NULISTENTRIES;
301	if (ioctl(cfg->fd, IOETHERSWITCHGETPORT, &p) != 0)
302		err(EX_OSERR, "ioctl(IOETHERSWITCHGETPORT)");
303	printf("port%d:\n", port);
304	printf("\tvlangroup: %d\n", p.es_vlangroup);
305	printf("\tmedia: ");
306	print_media_word(p.es_ifmr.ifm_current, 1);
307	if (p.es_ifmr.ifm_active != p.es_ifmr.ifm_current) {
308		putchar(' ');
309		putchar('(');
310		print_media_word(p.es_ifmr.ifm_active, 0);
311		putchar(')');
312	}
313	putchar('\n');
314	printf("\tstatus: %s\n", (p.es_ifmr.ifm_status & IFM_ACTIVE) != 0 ? "active" : "no carrier");
315	if (cfg->mediatypes) {
316		printf("\tsupported media:\n");
317		if (p.es_ifmr.ifm_count > IFMEDIAREQ_NULISTENTRIES)
318			p.es_ifmr.ifm_count = IFMEDIAREQ_NULISTENTRIES;
319		for (i=0; i<p.es_ifmr.ifm_count; i++) {
320			printf("\t\tmedia ");
321			print_media_word(ifm_ulist[i], 0);
322			putchar('\n');
323		}
324	}
325}
326
327static void
328print_vlangroup(struct cfg *cfg, int vlangroup)
329{
330	etherswitch_vlangroup_t vg;
331	int i, comma;
332
333	vg.es_vlangroup = vlangroup;
334	if (ioctl(cfg->fd, IOETHERSWITCHGETVLANGROUP, &vg) != 0)
335		err(EX_OSERR, "ioctl(IOETHERSWITCHGETVLANGROUP)");
336	if (cfg->verbose == 0 && vg.es_member_ports == 0)
337		return;
338	printf("vlangroup%d:\n", vlangroup);
339	printf("\tvlan: %d\n", vg.es_vid);
340	printf("\tmembers ");
341	comma = 0;
342	if (vg.es_member_ports != 0)
343		for (i=0; i<cfg->info.es_nports; i++) {
344			if ((vg.es_member_ports & ETHERSWITCH_PORTMASK(i)) != 0) {
345				if (comma)
346					printf(",");
347				printf("%d", i);
348				if ((vg.es_untagged_ports & ETHERSWITCH_PORTMASK(i)) == 0)
349					printf("t");
350				comma = 1;
351			}
352		}
353	else
354		printf("none");
355	printf("\n");
356}
357
358static void
359print_info(struct cfg *cfg)
360{
361	const char *c;
362	int i;
363
364	c = strrchr(cfg->controlfile, '/');
365	if (c != NULL)
366		c = c + 1;
367	else
368		c = cfg->controlfile;
369	if (cfg->verbose)
370		printf("%s: %s with %d ports and %d VLAN groups\n",
371			c, cfg->info.es_name, cfg->info.es_nports, cfg->info.es_nvlangroups);
372	for (i=0; i<cfg->info.es_nports; i++) {
373		print_port(cfg, i);
374	}
375	for (i=0; i<cfg->info.es_nvlangroups; i++) {
376		print_vlangroup(cfg, i);
377	}
378}
379
380static void
381usage(void)
382{
383	fprintf(stderr, "usage: etherswitchctl\n");
384	exit(EX_USAGE);
385}
386
387static void
388newmode(struct cfg *cfg, enum cmdmode mode)
389{
390	if (mode == cfg->mode)
391		return;
392	switch (cfg->mode) {
393	case MODE_NONE:
394		break;
395	case MODE_PORT:
396		print_port(cfg, cfg->unit);
397		break;
398	case MODE_VLANGROUP:
399		print_vlangroup(cfg, cfg->unit);
400		break;
401	case MODE_REGISTER:
402	case MODE_PHYREG:
403		break;
404	}
405	cfg->mode = mode;
406}
407
408int
409main(int argc, char *argv[])
410{
411	int ch;
412	struct cfg cfg;
413	int i;
414
415	bzero(&cfg, sizeof(cfg));
416	cfg.controlfile = "/dev/etherswitch0";
417	while ((ch = getopt(argc, argv, "f:mv?")) != -1)
418		switch(ch) {
419		case 'f':
420			cfg.controlfile = optarg;
421			break;
422		case 'm':
423			cfg.mediatypes++;
424			break;
425		case 'v':
426			cfg.verbose++;
427			break;
428		case '?':
429			/* FALLTHROUGH */
430		default:
431			usage();
432		}
433	argc -= optind;
434	argv += optind;
435	cfg.fd = open(cfg.controlfile, O_RDONLY);
436	if (cfg.fd < 0)
437		err(EX_UNAVAILABLE, "Can't open control file: %s", cfg.controlfile);
438	if (ioctl(cfg.fd, IOETHERSWITCHGETINFO, &cfg.info) != 0)
439		err(EX_OSERR, "ioctl(IOETHERSWITCHGETINFO)");
440	if (argc == 0) {
441		print_info(&cfg);
442		return (0);
443	}
444	cfg.mode = MODE_NONE;
445	while (argc > 0) {
446		switch(cfg.mode) {
447		case MODE_NONE:
448			if (strcmp(argv[0], "info") == 0) {
449				print_info(&cfg);
450			} else if (sscanf(argv[0], "port%d", &cfg.unit) == 1) {
451				if (cfg.unit < 0 || cfg.unit >= cfg.info.es_nports)
452					errx(EX_USAGE, "port unit must be between 0 and %d", cfg.info.es_nports);
453				newmode(&cfg, MODE_PORT);
454			} else if (sscanf(argv[0], "vlangroup%d", &cfg.unit) == 1) {
455				if (cfg.unit < 0 || cfg.unit >= cfg.info.es_nvlangroups)
456					errx(EX_USAGE, "port unit must be between 0 and %d", cfg.info.es_nvlangroups);
457				newmode(&cfg, MODE_VLANGROUP);
458			} else if (strcmp(argv[0], "phy") == 0) {
459				newmode(&cfg, MODE_PHYREG);
460			} else if (strcmp(argv[0], "reg") == 0) {
461				newmode(&cfg, MODE_REGISTER);
462			} else {
463				errx(EX_USAGE, "Unknown command \"%s\"", argv[0]);
464			}
465			break;
466		case MODE_PORT:
467		case MODE_VLANGROUP:
468			for(i=0; cmds[i].name != NULL; i++) {
469				if (cfg.mode == cmds[i].mode && strcmp(argv[0], cmds[i].name) == 0
470					&& argc >= cmds[i].args) {
471					(cmds[i].f)(&cfg, argv);
472					argc -= cmds[i].args;
473					argv += cmds[i].args;
474					break;
475				}
476			}
477			if (cmds[i].name == NULL) {
478				newmode(&cfg, MODE_NONE);
479				continue;
480			}
481			break;
482		case MODE_REGISTER:
483			if (set_register(&cfg, argv[0]) != 0) {
484				newmode(&cfg, MODE_NONE);
485				continue;
486			}
487			break;
488		case MODE_PHYREG:
489			if (set_phyregister(&cfg, argv[0]) != 0) {
490				newmode(&cfg, MODE_NONE);
491				continue;
492			}
493			break;
494		}
495		argc--;
496		argv++;
497	}
498	/* switch back to command mode to print configuration for last command */
499	newmode(&cfg, MODE_NONE);
500	close(cfg.fd);
501	return (0);
502}
503
504struct cmds cmds[] = {
505	{ MODE_PORT, "vlangroup", 1, set_port_vlangroup },
506	{ MODE_PORT, "media", 1, set_port_media },
507	{ MODE_PORT, "mediaopt", 1, set_port_mediaopt },
508	{ MODE_VLANGROUP, "vlan", 1, set_vlangroup_vid },
509	{ MODE_VLANGROUP, "members", 1, set_vlangroup_members },
510	{ 0, NULL, 0, NULL }
511};
512