xref: /freebsd/usr.sbin/cxgbetool/cxgbetool.c (revision 0957b409)
1 /*-
2  * Copyright (c) 2011 Chelsio Communications, Inc.
3  * All rights reserved.
4  * Written by: Navdeep Parhar <np@FreeBSD.org>
5  *
6  * Redistribution and use in source and binary forms, with or without
7  * modification, are permitted provided that the following conditions
8  * are met:
9  * 1. Redistributions of source code must retain the above copyright
10  *    notice, this list of conditions and the following disclaimer.
11  * 2. Redistributions in binary form must reproduce the above copyright
12  *    notice, this list of conditions and the following disclaimer in the
13  *    documentation and/or other materials provided with the distribution.
14  *
15  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
16  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
18  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
19  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
20  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
21  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
22  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
23  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
24  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
25  * SUCH DAMAGE.
26  */
27 
28 #include <sys/cdefs.h>
29 __FBSDID("$FreeBSD$");
30 
31 #include <sys/param.h>
32 #include <sys/ioctl.h>
33 #include <sys/mman.h>
34 #include <sys/socket.h>
35 #include <sys/stat.h>
36 
37 #include <arpa/inet.h>
38 #include <net/ethernet.h>
39 #include <net/sff8472.h>
40 #include <netinet/in.h>
41 
42 #include <ctype.h>
43 #include <err.h>
44 #include <errno.h>
45 #include <fcntl.h>
46 #include <limits.h>
47 #include <stdint.h>
48 #include <stdio.h>
49 #include <stdlib.h>
50 #include <string.h>
51 #include <unistd.h>
52 #include <pcap.h>
53 
54 #include "t4_ioctl.h"
55 #include "tcb_common.h"
56 
57 #define in_range(val, lo, hi) ( val < 0 || (val <= hi && val >= lo))
58 #define	max(x, y) ((x) > (y) ? (x) : (y))
59 
60 static const char *progname, *nexus;
61 static int chip_id;	/* 4 for T4, 5 for T5 */
62 
63 struct reg_info {
64 	const char *name;
65 	uint32_t addr;
66 	uint32_t len;
67 };
68 
69 struct mod_regs {
70 	const char *name;
71 	const struct reg_info *ri;
72 };
73 
74 struct field_desc {
75 	const char *name;     /* Field name */
76 	unsigned short start; /* Start bit position */
77 	unsigned short end;   /* End bit position */
78 	unsigned char shift;  /* # of low order bits omitted and implicitly 0 */
79 	unsigned char hex;    /* Print field in hex instead of decimal */
80 	unsigned char islog2; /* Field contains the base-2 log of the value */
81 };
82 
83 #include "reg_defs_t4.c"
84 #include "reg_defs_t5.c"
85 #include "reg_defs_t6.c"
86 #include "reg_defs_t4vf.c"
87 
88 static void
89 usage(FILE *fp)
90 {
91 	fprintf(fp, "Usage: %s <nexus> [operation]\n", progname);
92 	fprintf(fp,
93 	    "\tclearstats <port>                   clear port statistics\n"
94 	    "\tcontext <type> <id>                 show an SGE context\n"
95 	    "\tdumpstate <dump.bin>                dump chip state\n"
96 	    "\tfilter <idx> [<param> <val>] ...    set a filter\n"
97 	    "\tfilter <idx> delete|clear [prio 1]  delete a filter\n"
98 	    "\tfilter list                         list all filters\n"
99 	    "\tfilter mode [<match>] ...           get/set global filter mode\n"
100 	    "\thashfilter [<param> <val>] ...      set a hashfilter\n"
101 	    "\thashfilter <idx> delete|clear       delete a hashfilter\n"
102 	    "\thashfilter list                     list all hashfilters\n"
103 	    "\thashfilter mode                     get global hashfilter mode\n"
104 	    "\ti2c <port> <devaddr> <addr> [<len>] read from i2c device\n"
105 	    "\tloadboot <bi.bin> [pf|offset <val>] install boot image\n"
106 	    "\tloadboot clear [pf|offset <val>]    remove boot image\n"
107 	    "\tloadboot-cfg <bc.bin>               install boot config\n"
108 	    "\tloadboot-cfg clear                  remove boot config\n"
109 	    "\tloadcfg <fw-config.txt>             install configuration file\n"
110 	    "\tloadcfg clear                       remove configuration file\n"
111 	    "\tloadfw <fw-image.bin>               install firmware\n"
112 	    "\tmemdump <addr> <len>                dump a memory range\n"
113 	    "\tmodinfo <port> [raw]                optics/cable information\n"
114 	    "\tpolicy <policy.txt>                 install offload policy\n"
115 	    "\tpolicy clear                        remove offload policy\n"
116 	    "\treg <address>[=<val>]               read/write register\n"
117 	    "\treg64 <address>[=<val>]             read/write 64 bit register\n"
118 	    "\tregdump [<module>] ...              dump registers\n"
119 	    "\tsched-class params <param> <val> .. configure TX scheduler class\n"
120 	    "\tsched-queue <port> <queue> <class>  bind NIC queues to TX Scheduling class\n"
121 	    "\tstdio                               interactive mode\n"
122 	    "\ttcb <tid>                           read TCB\n"
123 	    "\ttracer <idx> tx<n>|rx<n>            set and enable a tracer\n"
124 	    "\ttracer <idx> disable|enable         disable or enable a tracer\n"
125 	    "\ttracer list                         list all tracers\n"
126 	    );
127 }
128 
129 static inline unsigned int
130 get_card_vers(unsigned int version)
131 {
132 	return (version & 0x3ff);
133 }
134 
135 static int
136 real_doit(unsigned long cmd, void *data, const char *cmdstr)
137 {
138 	static int fd = -1;
139 	int rc = 0;
140 
141 	if (fd == -1) {
142 		char buf[64];
143 
144 		snprintf(buf, sizeof(buf), "/dev/%s", nexus);
145 		if ((fd = open(buf, O_RDWR)) < 0) {
146 			warn("open(%s)", nexus);
147 			rc = errno;
148 			return (rc);
149 		}
150 	}
151 
152 	rc = ioctl(fd, cmd, data);
153 	if (rc < 0) {
154 		warn("%s", cmdstr);
155 		rc = errno;
156 	}
157 
158 	return (rc);
159 }
160 #define doit(x, y) real_doit(x, y, #x)
161 
162 static char *
163 str_to_number(const char *s, long *val, long long *vall)
164 {
165 	char *p;
166 
167 	if (vall)
168 		*vall = strtoll(s, &p, 0);
169 	else if (val)
170 		*val = strtol(s, &p, 0);
171 	else
172 		p = NULL;
173 
174 	return (p);
175 }
176 
177 static int
178 read_reg(long addr, int size, long long *val)
179 {
180 	struct t4_reg reg;
181 	int rc;
182 
183 	reg.addr = (uint32_t) addr;
184 	reg.size = (uint32_t) size;
185 	reg.val = 0;
186 
187 	rc = doit(CHELSIO_T4_GETREG, &reg);
188 
189 	*val = reg.val;
190 
191 	return (rc);
192 }
193 
194 static int
195 write_reg(long addr, int size, long long val)
196 {
197 	struct t4_reg reg;
198 
199 	reg.addr = (uint32_t) addr;
200 	reg.size = (uint32_t) size;
201 	reg.val = (uint64_t) val;
202 
203 	return doit(CHELSIO_T4_SETREG, &reg);
204 }
205 
206 static int
207 register_io(int argc, const char *argv[], int size)
208 {
209 	char *p, *v;
210 	long addr;
211 	long long val;
212 	int w = 0, rc;
213 
214 	if (argc == 1) {
215 		/* <reg> OR <reg>=<value> */
216 
217 		p = str_to_number(argv[0], &addr, NULL);
218 		if (*p) {
219 			if (*p != '=') {
220 				warnx("invalid register \"%s\"", argv[0]);
221 				return (EINVAL);
222 			}
223 
224 			w = 1;
225 			v = p + 1;
226 			p = str_to_number(v, NULL, &val);
227 
228 			if (*p) {
229 				warnx("invalid value \"%s\"", v);
230 				return (EINVAL);
231 			}
232 		}
233 
234 	} else if (argc == 2) {
235 		/* <reg> <value> */
236 
237 		w = 1;
238 
239 		p = str_to_number(argv[0], &addr, NULL);
240 		if (*p) {
241 			warnx("invalid register \"%s\"", argv[0]);
242 			return (EINVAL);
243 		}
244 
245 		p = str_to_number(argv[1], NULL, &val);
246 		if (*p) {
247 			warnx("invalid value \"%s\"", argv[1]);
248 			return (EINVAL);
249 		}
250 	} else {
251 		warnx("reg: invalid number of arguments (%d)", argc);
252 		return (EINVAL);
253 	}
254 
255 	if (w)
256 		rc = write_reg(addr, size, val);
257 	else {
258 		rc = read_reg(addr, size, &val);
259 		if (rc == 0)
260 			printf("0x%llx [%llu]\n", val, val);
261 	}
262 
263 	return (rc);
264 }
265 
266 static inline uint32_t
267 xtract(uint32_t val, int shift, int len)
268 {
269 	return (val >> shift) & ((1 << len) - 1);
270 }
271 
272 static int
273 dump_block_regs(const struct reg_info *reg_array, const uint32_t *regs)
274 {
275 	uint32_t reg_val = 0;
276 
277 	for ( ; reg_array->name; ++reg_array)
278 		if (!reg_array->len) {
279 			reg_val = regs[reg_array->addr / 4];
280 			printf("[%#7x] %-47s %#-10x %u\n", reg_array->addr,
281 			       reg_array->name, reg_val, reg_val);
282 		} else {
283 			uint32_t v = xtract(reg_val, reg_array->addr,
284 					    reg_array->len);
285 
286 			printf("    %*u:%u %-47s %#-10x %u\n",
287 			       reg_array->addr < 10 ? 3 : 2,
288 			       reg_array->addr + reg_array->len - 1,
289 			       reg_array->addr, reg_array->name, v, v);
290 		}
291 
292 	return (1);
293 }
294 
295 static int
296 dump_regs_table(int argc, const char *argv[], const uint32_t *regs,
297     const struct mod_regs *modtab, int nmodules)
298 {
299 	int i, j, match;
300 
301 	for (i = 0; i < argc; i++) {
302 		for (j = 0; j < nmodules; j++) {
303 			if (!strcmp(argv[i], modtab[j].name))
304 				break;
305 		}
306 
307 		if (j == nmodules) {
308 			warnx("invalid register block \"%s\"", argv[i]);
309 			fprintf(stderr, "\nAvailable blocks:");
310 			for ( ; nmodules; nmodules--, modtab++)
311 				fprintf(stderr, " %s", modtab->name);
312 			fprintf(stderr, "\n");
313 			return (EINVAL);
314 		}
315 	}
316 
317 	for ( ; nmodules; nmodules--, modtab++) {
318 
319 		match = argc == 0 ? 1 : 0;
320 		for (i = 0; !match && i < argc; i++) {
321 			if (!strcmp(argv[i], modtab->name))
322 				match = 1;
323 		}
324 
325 		if (match)
326 			dump_block_regs(modtab->ri, regs);
327 	}
328 
329 	return (0);
330 }
331 
332 #define T4_MODREGS(name) { #name, t4_##name##_regs }
333 static int
334 dump_regs_t4(int argc, const char *argv[], const uint32_t *regs)
335 {
336 	static struct mod_regs t4_mod[] = {
337 		T4_MODREGS(sge),
338 		{ "pci", t4_pcie_regs },
339 		T4_MODREGS(dbg),
340 		T4_MODREGS(mc),
341 		T4_MODREGS(ma),
342 		{ "edc0", t4_edc_0_regs },
343 		{ "edc1", t4_edc_1_regs },
344 		T4_MODREGS(cim),
345 		T4_MODREGS(tp),
346 		T4_MODREGS(ulp_rx),
347 		T4_MODREGS(ulp_tx),
348 		{ "pmrx", t4_pm_rx_regs },
349 		{ "pmtx", t4_pm_tx_regs },
350 		T4_MODREGS(mps),
351 		{ "cplsw", t4_cpl_switch_regs },
352 		T4_MODREGS(smb),
353 		{ "i2c", t4_i2cm_regs },
354 		T4_MODREGS(mi),
355 		T4_MODREGS(uart),
356 		T4_MODREGS(pmu),
357 		T4_MODREGS(sf),
358 		T4_MODREGS(pl),
359 		T4_MODREGS(le),
360 		T4_MODREGS(ncsi),
361 		T4_MODREGS(xgmac)
362 	};
363 
364 	return dump_regs_table(argc, argv, regs, t4_mod, nitems(t4_mod));
365 }
366 #undef T4_MODREGS
367 
368 #define T5_MODREGS(name) { #name, t5_##name##_regs }
369 static int
370 dump_regs_t5(int argc, const char *argv[], const uint32_t *regs)
371 {
372 	static struct mod_regs t5_mod[] = {
373 		T5_MODREGS(sge),
374 		{ "pci", t5_pcie_regs },
375 		T5_MODREGS(dbg),
376 		{ "mc0", t5_mc_0_regs },
377 		{ "mc1", t5_mc_1_regs },
378 		T5_MODREGS(ma),
379 		{ "edc0", t5_edc_t50_regs },
380 		{ "edc1", t5_edc_t51_regs },
381 		T5_MODREGS(cim),
382 		T5_MODREGS(tp),
383 		{ "ulprx", t5_ulp_rx_regs },
384 		{ "ulptx", t5_ulp_tx_regs },
385 		{ "pmrx", t5_pm_rx_regs },
386 		{ "pmtx", t5_pm_tx_regs },
387 		T5_MODREGS(mps),
388 		{ "cplsw", t5_cpl_switch_regs },
389 		T5_MODREGS(smb),
390 		{ "i2c", t5_i2cm_regs },
391 		T5_MODREGS(mi),
392 		T5_MODREGS(uart),
393 		T5_MODREGS(pmu),
394 		T5_MODREGS(sf),
395 		T5_MODREGS(pl),
396 		T5_MODREGS(le),
397 		T5_MODREGS(ncsi),
398 		T5_MODREGS(mac),
399 		{ "hma", t5_hma_t5_regs }
400 	};
401 
402 	return dump_regs_table(argc, argv, regs, t5_mod, nitems(t5_mod));
403 }
404 #undef T5_MODREGS
405 
406 #define T6_MODREGS(name) { #name, t6_##name##_regs }
407 static int
408 dump_regs_t6(int argc, const char *argv[], const uint32_t *regs)
409 {
410 	static struct mod_regs t6_mod[] = {
411 		T6_MODREGS(sge),
412 		{ "pci", t6_pcie_regs },
413 		T6_MODREGS(dbg),
414 		{ "mc0", t6_mc_0_regs },
415 		T6_MODREGS(ma),
416 		{ "edc0", t6_edc_t60_regs },
417 		{ "edc1", t6_edc_t61_regs },
418 		T6_MODREGS(cim),
419 		T6_MODREGS(tp),
420 		{ "ulprx", t6_ulp_rx_regs },
421 		{ "ulptx", t6_ulp_tx_regs },
422 		{ "pmrx", t6_pm_rx_regs },
423 		{ "pmtx", t6_pm_tx_regs },
424 		T6_MODREGS(mps),
425 		{ "cplsw", t6_cpl_switch_regs },
426 		T6_MODREGS(smb),
427 		{ "i2c", t6_i2cm_regs },
428 		T6_MODREGS(mi),
429 		T6_MODREGS(uart),
430 		T6_MODREGS(pmu),
431 		T6_MODREGS(sf),
432 		T6_MODREGS(pl),
433 		T6_MODREGS(le),
434 		T6_MODREGS(ncsi),
435 		T6_MODREGS(mac),
436 		{ "hma", t6_hma_t6_regs }
437 	};
438 
439 	return dump_regs_table(argc, argv, regs, t6_mod, nitems(t6_mod));
440 }
441 #undef T6_MODREGS
442 
443 static int
444 dump_regs_t4vf(int argc, const char *argv[], const uint32_t *regs)
445 {
446 	static struct mod_regs t4vf_mod[] = {
447 		{ "sge", t4vf_sge_regs },
448 		{ "mps", t4vf_mps_regs },
449 		{ "pl", t4vf_pl_regs },
450 		{ "mbdata", t4vf_mbdata_regs },
451 		{ "cim", t4vf_cim_regs },
452 	};
453 
454 	return dump_regs_table(argc, argv, regs, t4vf_mod, nitems(t4vf_mod));
455 }
456 
457 static int
458 dump_regs_t5vf(int argc, const char *argv[], const uint32_t *regs)
459 {
460 	static struct mod_regs t5vf_mod[] = {
461 		{ "sge", t5vf_sge_regs },
462 		{ "mps", t4vf_mps_regs },
463 		{ "pl", t5vf_pl_regs },
464 		{ "mbdata", t4vf_mbdata_regs },
465 		{ "cim", t4vf_cim_regs },
466 	};
467 
468 	return dump_regs_table(argc, argv, regs, t5vf_mod, nitems(t5vf_mod));
469 }
470 
471 static int
472 dump_regs_t6vf(int argc, const char *argv[], const uint32_t *regs)
473 {
474 	static struct mod_regs t6vf_mod[] = {
475 		{ "sge", t5vf_sge_regs },
476 		{ "mps", t4vf_mps_regs },
477 		{ "pl", t6vf_pl_regs },
478 		{ "mbdata", t4vf_mbdata_regs },
479 		{ "cim", t4vf_cim_regs },
480 	};
481 
482 	return dump_regs_table(argc, argv, regs, t6vf_mod, nitems(t6vf_mod));
483 }
484 
485 static int
486 dump_regs(int argc, const char *argv[])
487 {
488 	int vers, revision, rc;
489 	struct t4_regdump regs;
490 	uint32_t len;
491 
492 	len = max(T4_REGDUMP_SIZE, T5_REGDUMP_SIZE);
493 	regs.data = calloc(1, len);
494 	if (regs.data == NULL) {
495 		warnc(ENOMEM, "regdump");
496 		return (ENOMEM);
497 	}
498 
499 	regs.len = len;
500 	rc = doit(CHELSIO_T4_REGDUMP, &regs);
501 	if (rc != 0)
502 		return (rc);
503 
504 	vers = get_card_vers(regs.version);
505 	revision = (regs.version >> 10) & 0x3f;
506 
507 	if (vers == 4) {
508 		if (revision == 0x3f)
509 			rc = dump_regs_t4vf(argc, argv, regs.data);
510 		else
511 			rc = dump_regs_t4(argc, argv, regs.data);
512 	} else if (vers == 5) {
513 		if (revision == 0x3f)
514 			rc = dump_regs_t5vf(argc, argv, regs.data);
515 		else
516 			rc = dump_regs_t5(argc, argv, regs.data);
517 	} else if (vers == 6) {
518 		if (revision == 0x3f)
519 			rc = dump_regs_t6vf(argc, argv, regs.data);
520 		else
521 			rc = dump_regs_t6(argc, argv, regs.data);
522 	} else {
523 		warnx("%s (type %d, rev %d) is not a known card.",
524 		    nexus, vers, revision);
525 		return (ENOTSUP);
526 	}
527 
528 	free(regs.data);
529 	return (rc);
530 }
531 
532 static void
533 do_show_info_header(uint32_t mode)
534 {
535 	uint32_t i;
536 
537 	printf("%4s %8s", "Idx", "Hits");
538 	for (i = T4_FILTER_FCoE; i <= T4_FILTER_IP_FRAGMENT; i <<= 1) {
539 		switch (mode & i) {
540 		case T4_FILTER_FCoE:
541 			printf(" FCoE");
542 			break;
543 
544 		case T4_FILTER_PORT:
545 			printf(" Port");
546 			break;
547 
548 		case T4_FILTER_VNIC:
549 			if (mode & T4_FILTER_IC_VNIC)
550 				printf("   VFvld:PF:VF");
551 			else
552 				printf("     vld:oVLAN");
553 			break;
554 
555 		case T4_FILTER_VLAN:
556 			printf("      vld:VLAN");
557 			break;
558 
559 		case T4_FILTER_IP_TOS:
560 			printf("   TOS");
561 			break;
562 
563 		case T4_FILTER_IP_PROTO:
564 			printf("  Prot");
565 			break;
566 
567 		case T4_FILTER_ETH_TYPE:
568 			printf("   EthType");
569 			break;
570 
571 		case T4_FILTER_MAC_IDX:
572 			printf("  MACIdx");
573 			break;
574 
575 		case T4_FILTER_MPS_HIT_TYPE:
576 			printf(" MPS");
577 			break;
578 
579 		case T4_FILTER_IP_FRAGMENT:
580 			printf(" Frag");
581 			break;
582 
583 		default:
584 			/* compressed filter field not enabled */
585 			break;
586 		}
587 	}
588 	printf(" %20s %20s %9s %9s %s\n",
589 	    "DIP", "SIP", "DPORT", "SPORT", "Action");
590 }
591 
592 /*
593  * Parse an argument sub-vector as a { <parameter name> <value>[:<mask>] }
594  * ordered tuple.  If the parameter name in the argument sub-vector does not
595  * match the passed in parameter name, then a zero is returned for the
596  * function and no parsing is performed.  If there is a match, then the value
597  * and optional mask are parsed and returned in the provided return value
598  * pointers.  If no optional mask is specified, then a default mask of all 1s
599  * will be returned.
600  *
601  * An error in parsing the value[:mask] will result in an error message and
602  * program termination.
603  */
604 static int
605 parse_val_mask(const char *param, const char *args[], uint32_t *val,
606     uint32_t *mask, int hashfilter)
607 {
608 	long l;
609 	char *p;
610 
611 	if (strcmp(param, args[0]) != 0)
612 		return (EINVAL);
613 
614 	p = str_to_number(args[1], &l, NULL);
615 	if (l >= 0 && l <= UINT32_MAX) {
616 		*val = (uint32_t)l;
617 		if (p > args[1]) {
618 			if (p[0] == 0) {
619 				*mask = ~0;
620 				return (0);
621 			}
622 
623 			if (p[0] == ':' && p[1] != 0) {
624 				if (hashfilter) {
625 					warnx("param %s: mask not allowed for "
626 					    "hashfilter or nat params", param);
627 					return (EINVAL);
628 				}
629 				p = str_to_number(p + 1, &l, NULL);
630 				if (l >= 0 && l <= UINT32_MAX && p[0] == 0) {
631 					*mask = (uint32_t)l;
632 					return (0);
633 				}
634 			}
635 		}
636 	}
637 
638 	warnx("parameter \"%s\" has bad \"value[:mask]\" %s",
639 	    args[0], args[1]);
640 
641 	return (EINVAL);
642 }
643 
644 /*
645  * Parse an argument sub-vector as a { <parameter name> <addr>[/<mask>] }
646  * ordered tuple.  If the parameter name in the argument sub-vector does not
647  * match the passed in parameter name, then a zero is returned for the
648  * function and no parsing is performed.  If there is a match, then the value
649  * and optional mask are parsed and returned in the provided return value
650  * pointers.  If no optional mask is specified, then a default mask of all 1s
651  * will be returned.
652  *
653  * The value return parameter "afp" is used to specify the expected address
654  * family -- IPv4 or IPv6 -- of the address[/mask] and return its actual
655  * format.  A passed in value of AF_UNSPEC indicates that either IPv4 or IPv6
656  * is acceptable; AF_INET means that only IPv4 addresses are acceptable; and
657  * AF_INET6 means that only IPv6 are acceptable.  AF_INET is returned for IPv4
658  * and AF_INET6 for IPv6 addresses, respectively.  IPv4 address/mask pairs are
659  * returned in the first four bytes of the address and mask return values with
660  * the address A.B.C.D returned with { A, B, C, D } returned in addresses { 0,
661  * 1, 2, 3}, respectively.
662  *
663  * An error in parsing the value[:mask] will result in an error message and
664  * program termination.
665  */
666 static int
667 parse_ipaddr(const char *param, const char *args[], int *afp, uint8_t addr[],
668     uint8_t mask[], int maskless)
669 {
670 	const char *colon, *afn;
671 	char *slash;
672 	uint8_t *m;
673 	int af, ret;
674 	unsigned int masksize;
675 
676 	/*
677 	 * Is this our parameter?
678 	 */
679 	if (strcmp(param, args[0]) != 0)
680 		return (EINVAL);
681 
682 	/*
683 	 * Fundamental IPv4 versus IPv6 selection.
684 	 */
685 	colon = strchr(args[1], ':');
686 	if (!colon) {
687 		afn = "IPv4";
688 		af = AF_INET;
689 		masksize = 32;
690 	} else {
691 		afn = "IPv6";
692 		af = AF_INET6;
693 		masksize = 128;
694 	}
695 	if (*afp == AF_UNSPEC)
696 		*afp = af;
697 	else if (*afp != af) {
698 		warnx("address %s is not of expected family %s",
699 		    args[1], *afp == AF_INET ? "IP" : "IPv6");
700 		return (EINVAL);
701 	}
702 
703 	/*
704 	 * Parse address (temporarily stripping off any "/mask"
705 	 * specification).
706 	 */
707 	slash = strchr(args[1], '/');
708 	if (slash)
709 		*slash = 0;
710 	ret = inet_pton(af, args[1], addr);
711 	if (slash)
712 		*slash = '/';
713 	if (ret <= 0) {
714 		warnx("Cannot parse %s %s address %s", param, afn, args[1]);
715 		return (EINVAL);
716 	}
717 
718 	/*
719 	 * Parse optional mask specification.
720 	 */
721 	if (slash) {
722 		char *p;
723 		unsigned int prefix = strtoul(slash + 1, &p, 10);
724 
725 		if (maskless) {
726 			warnx("mask cannot be provided for maskless specification");
727 			return (EINVAL);
728 		}
729 
730 		if (p == slash + 1) {
731 			warnx("missing address prefix for %s", param);
732 			return (EINVAL);
733 		}
734 		if (*p) {
735 			warnx("%s is not a valid address prefix", slash + 1);
736 			return (EINVAL);
737 		}
738 		if (prefix > masksize) {
739 			warnx("prefix %u is too long for an %s address",
740 			     prefix, afn);
741 			return (EINVAL);
742 		}
743 		memset(mask, 0, masksize / 8);
744 		masksize = prefix;
745 	}
746 
747 	if (mask != NULL) {
748 		/*
749 		 * Fill in mask.
750 		 */
751 		for (m = mask; masksize >= 8; m++, masksize -= 8)
752 			*m = ~0;
753 		if (masksize)
754 			*m = ~0 << (8 - masksize);
755 	}
756 
757 	return (0);
758 }
759 
760 /*
761  * Parse an argument sub-vector as a { <parameter name> <value> } ordered
762  * tuple.  If the parameter name in the argument sub-vector does not match the
763  * passed in parameter name, then a zero is returned for the function and no
764  * parsing is performed.  If there is a match, then the value is parsed and
765  * returned in the provided return value pointer.
766  */
767 static int
768 parse_val(const char *param, const char *args[], uint32_t *val)
769 {
770 	char *p;
771 	long l;
772 
773 	if (strcmp(param, args[0]) != 0)
774 		return (EINVAL);
775 
776 	p = str_to_number(args[1], &l, NULL);
777 	if (*p || l < 0 || l > UINT32_MAX) {
778 		warnx("parameter \"%s\" has bad \"value\" %s", args[0], args[1]);
779 		return (EINVAL);
780 	}
781 
782 	*val = (uint32_t)l;
783 	return (0);
784 }
785 
786 static void
787 filters_show_ipaddr(int type, uint8_t *addr, uint8_t *addrm)
788 {
789 	int noctets, octet;
790 
791 	printf(" ");
792 	if (type == 0) {
793 		noctets = 4;
794 		printf("%3s", " ");
795 	} else
796 	noctets = 16;
797 
798 	for (octet = 0; octet < noctets; octet++)
799 		printf("%02x", addr[octet]);
800 	printf("/");
801 	for (octet = 0; octet < noctets; octet++)
802 		printf("%02x", addrm[octet]);
803 }
804 
805 static void
806 do_show_one_filter_info(struct t4_filter *t, uint32_t mode)
807 {
808 	uint32_t i;
809 
810 	printf("%4d", t->idx);
811 	if (t->hits == UINT64_MAX)
812 		printf(" %8s", "-");
813 	else
814 		printf(" %8ju", t->hits);
815 
816 	/*
817 	 * Compressed header portion of filter.
818 	 */
819 	for (i = T4_FILTER_FCoE; i <= T4_FILTER_IP_FRAGMENT; i <<= 1) {
820 		switch (mode & i) {
821 		case T4_FILTER_FCoE:
822 			printf("  %1d/%1d", t->fs.val.fcoe, t->fs.mask.fcoe);
823 			break;
824 
825 		case T4_FILTER_PORT:
826 			printf("  %1d/%1d", t->fs.val.iport, t->fs.mask.iport);
827 			break;
828 
829 		case T4_FILTER_VNIC:
830 			if (mode & T4_FILTER_IC_VNIC) {
831 				printf(" %1d:%1x:%02x/%1d:%1x:%02x",
832 				    t->fs.val.pfvf_vld,
833 				    (t->fs.val.vnic >> 13) & 0x7,
834 				    t->fs.val.vnic & 0x1fff,
835 				    t->fs.mask.pfvf_vld,
836 				    (t->fs.mask.vnic >> 13) & 0x7,
837 				    t->fs.mask.vnic & 0x1fff);
838 			} else {
839 				printf(" %1d:%04x/%1d:%04x",
840 				    t->fs.val.ovlan_vld, t->fs.val.vnic,
841 				    t->fs.mask.ovlan_vld, t->fs.mask.vnic);
842 			}
843 			break;
844 
845 		case T4_FILTER_VLAN:
846 			printf(" %1d:%04x/%1d:%04x",
847 			    t->fs.val.vlan_vld, t->fs.val.vlan,
848 			    t->fs.mask.vlan_vld, t->fs.mask.vlan);
849 			break;
850 
851 		case T4_FILTER_IP_TOS:
852 			printf(" %02x/%02x", t->fs.val.tos, t->fs.mask.tos);
853 			break;
854 
855 		case T4_FILTER_IP_PROTO:
856 			printf(" %02x/%02x", t->fs.val.proto, t->fs.mask.proto);
857 			break;
858 
859 		case T4_FILTER_ETH_TYPE:
860 			printf(" %04x/%04x", t->fs.val.ethtype,
861 			    t->fs.mask.ethtype);
862 			break;
863 
864 		case T4_FILTER_MAC_IDX:
865 			printf(" %03x/%03x", t->fs.val.macidx,
866 			    t->fs.mask.macidx);
867 			break;
868 
869 		case T4_FILTER_MPS_HIT_TYPE:
870 			printf(" %1x/%1x", t->fs.val.matchtype,
871 			    t->fs.mask.matchtype);
872 			break;
873 
874 		case T4_FILTER_IP_FRAGMENT:
875 			printf("  %1d/%1d", t->fs.val.frag, t->fs.mask.frag);
876 			break;
877 
878 		default:
879 			/* compressed filter field not enabled */
880 			break;
881 		}
882 	}
883 
884 	/*
885 	 * Fixed portion of filter.
886 	 */
887 	filters_show_ipaddr(t->fs.type, t->fs.val.dip, t->fs.mask.dip);
888 	filters_show_ipaddr(t->fs.type, t->fs.val.sip, t->fs.mask.sip);
889 	printf(" %04x/%04x %04x/%04x",
890 		 t->fs.val.dport, t->fs.mask.dport,
891 		 t->fs.val.sport, t->fs.mask.sport);
892 
893 	/*
894 	 * Variable length filter action.
895 	 */
896 	if (t->fs.action == FILTER_DROP)
897 		printf(" Drop");
898 	else if (t->fs.action == FILTER_SWITCH) {
899 		printf(" Switch: port=%d", t->fs.eport);
900 	if (t->fs.newdmac)
901 		printf(
902 			", dmac=%02x:%02x:%02x:%02x:%02x:%02x "
903 			", l2tidx=%d",
904 			t->fs.dmac[0], t->fs.dmac[1],
905 			t->fs.dmac[2], t->fs.dmac[3],
906 			t->fs.dmac[4], t->fs.dmac[5],
907 			t->l2tidx);
908 	if (t->fs.newsmac)
909 		printf(
910 			", smac=%02x:%02x:%02x:%02x:%02x:%02x "
911 			", smtidx=%d",
912 			t->fs.smac[0], t->fs.smac[1],
913 			t->fs.smac[2], t->fs.smac[3],
914 			t->fs.smac[4], t->fs.smac[5],
915 			t->smtidx);
916 	if (t->fs.newvlan == VLAN_REMOVE)
917 		printf(", vlan=none");
918 	else if (t->fs.newvlan == VLAN_INSERT)
919 		printf(", vlan=insert(%x)", t->fs.vlan);
920 	else if (t->fs.newvlan == VLAN_REWRITE)
921 		printf(", vlan=rewrite(%x)", t->fs.vlan);
922 	} else {
923 		printf(" Pass: Q=");
924 		if (t->fs.dirsteer == 0) {
925 			printf("RSS");
926 			if (t->fs.maskhash)
927 				printf("(region %d)", t->fs.iq << 1);
928 		} else {
929 			printf("%d", t->fs.iq);
930 			if (t->fs.dirsteerhash == 0)
931 				printf("(QID)");
932 			else
933 				printf("(hash)");
934 		}
935 	}
936 	if (chip_id <= 5 && t->fs.prio)
937 		printf(" Prio");
938 	if (t->fs.rpttid)
939 		printf(" RptTID");
940 	printf("\n");
941 }
942 
943 static int
944 show_filters(int hash)
945 {
946 	uint32_t mode = 0, header, hpfilter = 0;
947 	struct t4_filter t;
948 	int rc;
949 
950 	/* Get the global filter mode first */
951 	rc = doit(CHELSIO_T4_GET_FILTER_MODE, &mode);
952 	if (rc != 0)
953 		return (rc);
954 
955 	if (!hash && chip_id >= 6) {
956 		header = 0;
957 		bzero(&t, sizeof (t));
958 		t.idx = 0;
959 		t.fs.hash = 0;
960 		t.fs.prio = 1;
961 		for (t.idx = 0; ; t.idx++) {
962 			rc = doit(CHELSIO_T4_GET_FILTER, &t);
963 			if (rc != 0 || t.idx == 0xffffffff)
964 				break;
965 
966 			if (!header) {
967 				printf("High Priority TCAM Region:\n");
968 				do_show_info_header(mode);
969 				header = 1;
970 				hpfilter = 1;
971 			}
972 			do_show_one_filter_info(&t, mode);
973 		}
974 	}
975 
976 	header = 0;
977 	bzero(&t, sizeof (t));
978 	t.idx = 0;
979 	t.fs.hash = hash;
980 	for (t.idx = 0; ; t.idx++) {
981 		rc = doit(CHELSIO_T4_GET_FILTER, &t);
982 		if (rc != 0 || t.idx == 0xffffffff)
983 			break;
984 
985 		if (!header) {
986 			if (hpfilter)
987 				printf("\nNormal Priority TCAM Region:\n");
988 			do_show_info_header(mode);
989 			header = 1;
990 		}
991 		do_show_one_filter_info(&t, mode);
992 	}
993 
994 	return (rc);
995 }
996 
997 static int
998 get_filter_mode(int hashfilter)
999 {
1000 	uint32_t mode = hashfilter;
1001 	int rc;
1002 
1003 	rc = doit(CHELSIO_T4_GET_FILTER_MODE, &mode);
1004 	if (rc != 0)
1005 		return (rc);
1006 
1007 	if (mode & T4_FILTER_IPv4)
1008 		printf("ipv4 ");
1009 
1010 	if (mode & T4_FILTER_IPv6)
1011 		printf("ipv6 ");
1012 
1013 	if (mode & T4_FILTER_IP_SADDR)
1014 		printf("sip ");
1015 
1016 	if (mode & T4_FILTER_IP_DADDR)
1017 		printf("dip ");
1018 
1019 	if (mode & T4_FILTER_IP_SPORT)
1020 		printf("sport ");
1021 
1022 	if (mode & T4_FILTER_IP_DPORT)
1023 		printf("dport ");
1024 
1025 	if (mode & T4_FILTER_IP_FRAGMENT)
1026 		printf("frag ");
1027 
1028 	if (mode & T4_FILTER_MPS_HIT_TYPE)
1029 		printf("matchtype ");
1030 
1031 	if (mode & T4_FILTER_MAC_IDX)
1032 		printf("macidx ");
1033 
1034 	if (mode & T4_FILTER_ETH_TYPE)
1035 		printf("ethtype ");
1036 
1037 	if (mode & T4_FILTER_IP_PROTO)
1038 		printf("proto ");
1039 
1040 	if (mode & T4_FILTER_IP_TOS)
1041 		printf("tos ");
1042 
1043 	if (mode & T4_FILTER_VLAN)
1044 		printf("vlan ");
1045 
1046 	if (mode & T4_FILTER_VNIC) {
1047 		if (mode & T4_FILTER_IC_VNIC)
1048 			printf("vnic_id ");
1049 		else
1050 			printf("ovlan ");
1051 	}
1052 
1053 	if (mode & T4_FILTER_PORT)
1054 		printf("iport ");
1055 
1056 	if (mode & T4_FILTER_FCoE)
1057 		printf("fcoe ");
1058 
1059 	printf("\n");
1060 
1061 	return (0);
1062 }
1063 
1064 static int
1065 set_filter_mode(int argc, const char *argv[])
1066 {
1067 	uint32_t mode = 0;
1068 	int vnic = 0, ovlan = 0;
1069 
1070 	for (; argc; argc--, argv++) {
1071 		if (!strcmp(argv[0], "frag"))
1072 			mode |= T4_FILTER_IP_FRAGMENT;
1073 
1074 		if (!strcmp(argv[0], "matchtype"))
1075 			mode |= T4_FILTER_MPS_HIT_TYPE;
1076 
1077 		if (!strcmp(argv[0], "macidx"))
1078 			mode |= T4_FILTER_MAC_IDX;
1079 
1080 		if (!strcmp(argv[0], "ethtype"))
1081 			mode |= T4_FILTER_ETH_TYPE;
1082 
1083 		if (!strcmp(argv[0], "proto"))
1084 			mode |= T4_FILTER_IP_PROTO;
1085 
1086 		if (!strcmp(argv[0], "tos"))
1087 			mode |= T4_FILTER_IP_TOS;
1088 
1089 		if (!strcmp(argv[0], "vlan"))
1090 			mode |= T4_FILTER_VLAN;
1091 
1092 		if (!strcmp(argv[0], "ovlan")) {
1093 			mode |= T4_FILTER_VNIC;
1094 			ovlan++;
1095 		}
1096 
1097 		if (!strcmp(argv[0], "vnic_id")) {
1098 			mode |= T4_FILTER_VNIC;
1099 			mode |= T4_FILTER_IC_VNIC;
1100 			vnic++;
1101 		}
1102 
1103 		if (!strcmp(argv[0], "iport"))
1104 			mode |= T4_FILTER_PORT;
1105 
1106 		if (!strcmp(argv[0], "fcoe"))
1107 			mode |= T4_FILTER_FCoE;
1108 	}
1109 
1110 	if (vnic > 0 && ovlan > 0) {
1111 		warnx("\"vnic_id\" and \"ovlan\" are mutually exclusive.");
1112 		return (EINVAL);
1113 	}
1114 
1115 	return doit(CHELSIO_T4_SET_FILTER_MODE, &mode);
1116 }
1117 
1118 static int
1119 del_filter(uint32_t idx, int prio, int hashfilter)
1120 {
1121 	struct t4_filter t;
1122 
1123 	t.fs.prio = prio;
1124 	t.fs.hash = hashfilter;
1125 	t.idx = idx;
1126 
1127 	return doit(CHELSIO_T4_DEL_FILTER, &t);
1128 }
1129 
1130 #define MAX_VLANID (4095)
1131 
1132 static int
1133 set_filter(uint32_t idx, int argc, const char *argv[], int hash)
1134 {
1135 	int rc, af = AF_UNSPEC, start_arg = 0;
1136 	struct t4_filter t;
1137 
1138 	if (argc < 2) {
1139 		warnc(EINVAL, "%s", __func__);
1140 		return (EINVAL);
1141 	};
1142 	bzero(&t, sizeof (t));
1143 	t.idx = idx;
1144 	t.fs.hitcnts = 1;
1145 	t.fs.hash = hash;
1146 
1147 	for (start_arg = 0; start_arg + 2 <= argc; start_arg += 2) {
1148 		const char **args = &argv[start_arg];
1149 		uint32_t val, mask;
1150 
1151 		if (!strcmp(argv[start_arg], "type")) {
1152 			int newaf;
1153 			if (!strcasecmp(argv[start_arg + 1], "ipv4"))
1154 				newaf = AF_INET;
1155 			else if (!strcasecmp(argv[start_arg + 1], "ipv6"))
1156 				newaf = AF_INET6;
1157 			else {
1158 				warnx("invalid type \"%s\"; "
1159 				    "must be one of \"ipv4\" or \"ipv6\"",
1160 				    argv[start_arg + 1]);
1161 				return (EINVAL);
1162 			}
1163 
1164 			if (af != AF_UNSPEC && af != newaf) {
1165 				warnx("conflicting IPv4/IPv6 specifications.");
1166 				return (EINVAL);
1167 			}
1168 			af = newaf;
1169 		} else if (!parse_val_mask("fcoe", args, &val, &mask, hash)) {
1170 			t.fs.val.fcoe = val;
1171 			t.fs.mask.fcoe = mask;
1172 		} else if (!parse_val_mask("iport", args, &val, &mask, hash)) {
1173 			t.fs.val.iport = val;
1174 			t.fs.mask.iport = mask;
1175 		} else if (!parse_val_mask("ovlan", args, &val, &mask, hash)) {
1176 			t.fs.val.vnic = val;
1177 			t.fs.mask.vnic = mask;
1178 			t.fs.val.ovlan_vld = 1;
1179 			t.fs.mask.ovlan_vld = 1;
1180 		} else if (!parse_val_mask("ivlan", args, &val, &mask, hash)) {
1181 			t.fs.val.vlan = val;
1182 			t.fs.mask.vlan = mask;
1183 			t.fs.val.vlan_vld = 1;
1184 			t.fs.mask.vlan_vld = 1;
1185 		} else if (!parse_val_mask("pf", args, &val, &mask, hash)) {
1186 			t.fs.val.vnic &= 0x1fff;
1187 			t.fs.val.vnic |= (val & 0x7) << 13;
1188 			t.fs.mask.vnic &= 0x1fff;
1189 			t.fs.mask.vnic |= (mask & 0x7) << 13;
1190 			t.fs.val.pfvf_vld = 1;
1191 			t.fs.mask.pfvf_vld = 1;
1192 		} else if (!parse_val_mask("vf", args, &val, &mask, hash)) {
1193 			t.fs.val.vnic &= 0xe000;
1194 			t.fs.val.vnic |= val & 0x1fff;
1195 			t.fs.mask.vnic &= 0xe000;
1196 			t.fs.mask.vnic |= mask & 0x1fff;
1197 			t.fs.val.pfvf_vld = 1;
1198 			t.fs.mask.pfvf_vld = 1;
1199 		} else if (!parse_val_mask("tos", args, &val, &mask, hash)) {
1200 			t.fs.val.tos = val;
1201 			t.fs.mask.tos = mask;
1202 		} else if (!parse_val_mask("proto", args, &val, &mask, hash)) {
1203 			t.fs.val.proto = val;
1204 			t.fs.mask.proto = mask;
1205 		} else if (!parse_val_mask("ethtype", args, &val, &mask, hash)) {
1206 			t.fs.val.ethtype = val;
1207 			t.fs.mask.ethtype = mask;
1208 		} else if (!parse_val_mask("macidx", args, &val, &mask, hash)) {
1209 			t.fs.val.macidx = val;
1210 			t.fs.mask.macidx = mask;
1211 		} else if (!parse_val_mask("matchtype", args, &val, &mask, hash)) {
1212 			t.fs.val.matchtype = val;
1213 			t.fs.mask.matchtype = mask;
1214 		} else if (!parse_val_mask("frag", args, &val, &mask, hash)) {
1215 			t.fs.val.frag = val;
1216 			t.fs.mask.frag = mask;
1217 		} else if (!parse_val_mask("dport", args, &val, &mask, hash)) {
1218 			t.fs.val.dport = val;
1219 			t.fs.mask.dport = mask;
1220 		} else if (!parse_val_mask("sport", args, &val, &mask, hash)) {
1221 			t.fs.val.sport = val;
1222 			t.fs.mask.sport = mask;
1223 		} else if (!parse_ipaddr("dip", args, &af, t.fs.val.dip,
1224 		    t.fs.mask.dip, hash)) {
1225 			/* nada */;
1226 		} else if (!parse_ipaddr("sip", args, &af, t.fs.val.sip,
1227 		    t.fs.mask.sip, hash)) {
1228 			/* nada */;
1229 		} else if (!parse_ipaddr("nat_dip", args, &af, t.fs.nat_dip, NULL, 1)) {
1230 			/*nada*/;
1231 		} else if (!parse_ipaddr("nat_sip", args, &af, t.fs.nat_sip, NULL, 1)) {
1232 			/*nada*/
1233 		} else if (!parse_val_mask("nat_dport", args, &val, &mask, 1)) {
1234 			t.fs.nat_dport = val;
1235 		} else if (!parse_val_mask("nat_sport", args, &val, &mask, 1)) {
1236 			t.fs.nat_sport = val;
1237 		} else if (!strcmp(argv[start_arg], "action")) {
1238 			if (!strcmp(argv[start_arg + 1], "pass"))
1239 				t.fs.action = FILTER_PASS;
1240 			else if (!strcmp(argv[start_arg + 1], "drop"))
1241 				t.fs.action = FILTER_DROP;
1242 			else if (!strcmp(argv[start_arg + 1], "switch"))
1243 				t.fs.action = FILTER_SWITCH;
1244 			else {
1245 				warnx("invalid action \"%s\"; must be one of"
1246 				     " \"pass\", \"drop\" or \"switch\"",
1247 				     argv[start_arg + 1]);
1248 				return (EINVAL);
1249 			}
1250 		} else if (!parse_val("hitcnts", args, &val)) {
1251 			t.fs.hitcnts = val;
1252 		} else if (!parse_val("prio", args, &val)) {
1253 			if (hash) {
1254 				warnx("Hashfilters doesn't support \"prio\"\n");
1255 				return (EINVAL);
1256 			}
1257 			if (val != 0 && val != 1) {
1258 				warnx("invalid priority \"%s\"; must be"
1259 				     " \"0\" or \"1\"", argv[start_arg + 1]);
1260 				return (EINVAL);
1261 			}
1262 			t.fs.prio = val;
1263 		} else if (!parse_val("rpttid", args, &val)) {
1264 			t.fs.rpttid = 1;
1265 		} else if (!parse_val("queue", args, &val)) {
1266 			t.fs.dirsteer = 1;	/* direct steer */
1267 			t.fs.iq = val;		/* to the iq with this cntxt_id */
1268 		} else if (!parse_val("tcbhash", args, &val)) {
1269 			t.fs.dirsteerhash = 1;	/* direct steer */
1270 			/* XXX: use (val << 1) as the rss_hash? */
1271 			t.fs.iq = val;
1272 		} else if (!parse_val("tcbrss", args, &val)) {
1273 			t.fs.maskhash = 1;	/* steer to RSS region */
1274 			/*
1275 			 * val = start idx of the region but the internal TCB
1276 			 * field is 10b only and is left shifted by 1 before use.
1277 			 */
1278 			t.fs.iq = val >> 1;
1279 		} else if (!parse_val("eport", args, &val)) {
1280 			t.fs.eport = val;
1281 		} else if (!parse_val("swapmac", args, &val)) {
1282 			t.fs.swapmac = 1;
1283 		} else if (!strcmp(argv[start_arg], "nat")) {
1284 			if (!strcmp(argv[start_arg + 1], "dip"))
1285 				t.fs.nat_mode = NAT_MODE_DIP;
1286 			else if (!strcmp(argv[start_arg + 1], "dip-dp"))
1287 				t.fs.nat_mode = NAT_MODE_DIP_DP;
1288 			else if (!strcmp(argv[start_arg + 1], "dip-dp-sip"))
1289 				t.fs.nat_mode = NAT_MODE_DIP_DP_SIP;
1290 			else if (!strcmp(argv[start_arg + 1], "dip-dp-sp"))
1291 				t.fs.nat_mode = NAT_MODE_DIP_DP_SP;
1292 			else if (!strcmp(argv[start_arg + 1], "sip-sp"))
1293 				t.fs.nat_mode = NAT_MODE_SIP_SP;
1294 			else if (!strcmp(argv[start_arg + 1], "dip-sip-sp"))
1295 				t.fs.nat_mode = NAT_MODE_DIP_SIP_SP;
1296 			else if (!strcmp(argv[start_arg + 1], "all"))
1297 				t.fs.nat_mode = NAT_MODE_ALL;
1298 			else {
1299 				warnx("unknown nat type \"%s\"; known types are dip, "
1300 				      "dip-dp, dip-dp-sip, dip-dp-sp, sip-sp, "
1301 				      "dip-sip-sp, and all", argv[start_arg + 1]);
1302 				return (EINVAL);
1303 			}
1304 		} else if (!parse_val("natseq", args, &val)) {
1305 			t.fs.nat_seq_chk = val;
1306 		} else if (!parse_val("natflag", args, &val)) {
1307 			t.fs.nat_flag_chk = 1;
1308 		} else if (!strcmp(argv[start_arg], "dmac")) {
1309 			struct ether_addr *daddr;
1310 
1311 			daddr = ether_aton(argv[start_arg + 1]);
1312 			if (daddr == NULL) {
1313 				warnx("invalid dmac address \"%s\"",
1314 				    argv[start_arg + 1]);
1315 				return (EINVAL);
1316 			}
1317 			memcpy(t.fs.dmac, daddr, ETHER_ADDR_LEN);
1318 			t.fs.newdmac = 1;
1319 		} else if (!strcmp(argv[start_arg], "smac")) {
1320 			struct ether_addr *saddr;
1321 
1322 			saddr = ether_aton(argv[start_arg + 1]);
1323 			if (saddr == NULL) {
1324 				warnx("invalid smac address \"%s\"",
1325 				    argv[start_arg + 1]);
1326 				return (EINVAL);
1327 			}
1328 			memcpy(t.fs.smac, saddr, ETHER_ADDR_LEN);
1329 			t.fs.newsmac = 1;
1330 		} else if (!strcmp(argv[start_arg], "vlan")) {
1331 			char *p;
1332 			if (!strcmp(argv[start_arg + 1], "none")) {
1333 				t.fs.newvlan = VLAN_REMOVE;
1334 			} else if (argv[start_arg + 1][0] == '=') {
1335 				t.fs.newvlan = VLAN_REWRITE;
1336 			} else if (argv[start_arg + 1][0] == '+') {
1337 				t.fs.newvlan = VLAN_INSERT;
1338 			} else {
1339 				warnx("unknown vlan parameter \"%s\"; must"
1340 				     " be one of \"none\", \"=<vlan>\", "
1341 				     " \"+<vlan>\"", argv[start_arg + 1]);
1342 				return (EINVAL);
1343 			}
1344 			if (t.fs.newvlan == VLAN_REWRITE ||
1345 			    t.fs.newvlan == VLAN_INSERT) {
1346 				t.fs.vlan = strtoul(argv[start_arg + 1] + 1,
1347 				    &p, 0);
1348 				if (p == argv[start_arg + 1] + 1 || p[0] != 0 ||
1349 				    t.fs.vlan > MAX_VLANID) {
1350 					warnx("invalid vlan \"%s\"",
1351 					     argv[start_arg + 1]);
1352 					return (EINVAL);
1353 				}
1354 			}
1355 		} else {
1356 			warnx("invalid parameter \"%s\"", argv[start_arg]);
1357 			return (EINVAL);
1358 		}
1359 	}
1360 	if (start_arg != argc) {
1361 		warnx("no value for \"%s\"", argv[start_arg]);
1362 		return (EINVAL);
1363 	}
1364 
1365 	/*
1366 	 * Check basic sanity of option combinations.
1367 	 */
1368 	if (t.fs.action != FILTER_SWITCH &&
1369 	    (t.fs.eport || t.fs.newdmac || t.fs.newsmac || t.fs.newvlan ||
1370 	    t.fs.swapmac || t.fs.nat_mode)) {
1371 		warnx("port, dmac, smac, vlan, and nat only make sense with"
1372 		     " \"action switch\"");
1373 		return (EINVAL);
1374 	}
1375 	if (!t.fs.nat_mode && (t.fs.nat_seq_chk || t.fs.nat_flag_chk ||
1376 	    *t.fs.nat_dip || *t.fs.nat_sip || t.fs.nat_dport || t.fs.nat_sport)) {
1377 		warnx("nat params only make sense with valid nat mode");
1378 		return (EINVAL);
1379 	}
1380 	if (t.fs.action != FILTER_PASS &&
1381 	    (t.fs.rpttid || t.fs.dirsteer || t.fs.maskhash)) {
1382 		warnx("rpttid, queue and tcbhash don't make sense with"
1383 		     " action \"drop\" or \"switch\"");
1384 		return (EINVAL);
1385 	}
1386 	if (t.fs.val.ovlan_vld && t.fs.val.pfvf_vld) {
1387 		warnx("ovlan and vnic_id (pf/vf) are mutually exclusive");
1388 		return (EINVAL);
1389 	}
1390 
1391 	t.fs.type = (af == AF_INET6 ? 1 : 0); /* default IPv4 */
1392 	rc = doit(CHELSIO_T4_SET_FILTER, &t);
1393 	if (hash && rc == 0)
1394 		printf("%d\n", t.idx);
1395 	return (rc);
1396 }
1397 
1398 static int
1399 filter_cmd(int argc, const char *argv[], int hashfilter)
1400 {
1401 	long long val;
1402 	uint32_t idx;
1403 	char *s;
1404 
1405 	if (argc == 0) {
1406 		warnx("%sfilter: no arguments.", hashfilter ? "hash" : "");
1407 		return (EINVAL);
1408 	};
1409 
1410 	/* list */
1411 	if (strcmp(argv[0], "list") == 0) {
1412 		if (argc != 1)
1413 			warnx("trailing arguments after \"list\" ignored.");
1414 
1415 		return show_filters(hashfilter);
1416 	}
1417 
1418 	/* mode */
1419 	if (argc == 1 && strcmp(argv[0], "mode") == 0)
1420 		return get_filter_mode(hashfilter);
1421 
1422 	/* mode <mode> */
1423 	if (!hashfilter && strcmp(argv[0], "mode") == 0)
1424 		return set_filter_mode(argc - 1, argv + 1);
1425 
1426 	/* <idx> ... */
1427 	s = str_to_number(argv[0], NULL, &val);
1428 	if (*s || val < 0 || val > 0xffffffffU) {
1429 		if (hashfilter) {
1430 			/*
1431 			 * No numeric index means this must be a request to
1432 			 * create a new hashfilter and we are already at the
1433 			 * paramter/value list.
1434 			 */
1435 			idx = (uint32_t) -1;
1436 			goto setf;
1437 		}
1438 		warnx("\"%s\" is neither an index nor a filter subcommand.",
1439 		    argv[0]);
1440 		return (EINVAL);
1441 	}
1442 	idx = (uint32_t) val;
1443 
1444 	/* <idx> delete|clear [prio 0|1] */
1445 	if ((argc == 2 || argc == 4) &&
1446 	    (strcmp(argv[1], "delete") == 0 || strcmp(argv[1], "clear") == 0)) {
1447 		int prio = 0;
1448 
1449 		if (argc == 4) {
1450 			if (hashfilter) {
1451 				warnx("stray arguments after \"%s\".", argv[1]);
1452 				return (EINVAL);
1453 			}
1454 
1455 			if (strcmp(argv[2], "prio") != 0) {
1456 				warnx("\"prio\" is the only valid keyword "
1457 				    "after \"%s\", found \"%s\" instead.",
1458 				    argv[1], argv[2]);
1459 				return (EINVAL);
1460 			}
1461 
1462 			s = str_to_number(argv[3], NULL, &val);
1463 			if (*s || val < 0 || val > 1) {
1464 				warnx("%s \"%s\"; must be \"0\" or \"1\".",
1465 				    argv[2], argv[3]);
1466 				return (EINVAL);
1467 			}
1468 			prio = (int)val;
1469 		}
1470 		return del_filter(idx, prio, hashfilter);
1471 	}
1472 
1473 	/* skip <idx> */
1474 	argc--;
1475 	argv++;
1476 
1477 setf:
1478 	/* [<param> <val>] ... */
1479 	return set_filter(idx, argc, argv, hashfilter);
1480 }
1481 
1482 /*
1483  * Shows the fields of a multi-word structure.  The structure is considered to
1484  * consist of @nwords 32-bit words (i.e, it's an (@nwords * 32)-bit structure)
1485  * whose fields are described by @fd.  The 32-bit words are given in @words
1486  * starting with the least significant 32-bit word.
1487  */
1488 static void
1489 show_struct(const uint32_t *words, int nwords, const struct field_desc *fd)
1490 {
1491 	unsigned int w = 0;
1492 	const struct field_desc *p;
1493 
1494 	for (p = fd; p->name; p++)
1495 		w = max(w, strlen(p->name));
1496 
1497 	while (fd->name) {
1498 		unsigned long long data;
1499 		int first_word = fd->start / 32;
1500 		int shift = fd->start % 32;
1501 		int width = fd->end - fd->start + 1;
1502 		unsigned long long mask = (1ULL << width) - 1;
1503 
1504 		data = (words[first_word] >> shift) |
1505 		       ((uint64_t)words[first_word + 1] << (32 - shift));
1506 		if (shift)
1507 		       data |= ((uint64_t)words[first_word + 2] << (64 - shift));
1508 		data &= mask;
1509 		if (fd->islog2)
1510 			data = 1 << data;
1511 		printf("%-*s ", w, fd->name);
1512 		printf(fd->hex ? "%#llx\n" : "%llu\n", data << fd->shift);
1513 		fd++;
1514 	}
1515 }
1516 
1517 #define FIELD(name, start, end) { name, start, end, 0, 0, 0 }
1518 #define FIELD1(name, start) FIELD(name, start, start)
1519 
1520 static void
1521 show_t5t6_ctxt(const struct t4_sge_context *p, int vers)
1522 {
1523 	static struct field_desc egress_t5[] = {
1524 		FIELD("DCA_ST:", 181, 191),
1525 		FIELD1("StatusPgNS:", 180),
1526 		FIELD1("StatusPgRO:", 179),
1527 		FIELD1("FetchNS:", 178),
1528 		FIELD1("FetchRO:", 177),
1529 		FIELD1("Valid:", 176),
1530 		FIELD("PCIeDataChannel:", 174, 175),
1531 		FIELD1("StatusPgTPHintEn:", 173),
1532 		FIELD("StatusPgTPHint:", 171, 172),
1533 		FIELD1("FetchTPHintEn:", 170),
1534 		FIELD("FetchTPHint:", 168, 169),
1535 		FIELD1("FCThreshOverride:", 167),
1536 		{ "WRLength:", 162, 166, 9, 0, 1 },
1537 		FIELD1("WRLengthKnown:", 161),
1538 		FIELD1("ReschedulePending:", 160),
1539 		FIELD1("OnChipQueue:", 159),
1540 		FIELD1("FetchSizeMode:", 158),
1541 		{ "FetchBurstMin:", 156, 157, 4, 0, 1 },
1542 		FIELD1("FLMPacking:", 155),
1543 		FIELD("FetchBurstMax:", 153, 154),
1544 		FIELD("uPToken:", 133, 152),
1545 		FIELD1("uPTokenEn:", 132),
1546 		FIELD1("UserModeIO:", 131),
1547 		FIELD("uPFLCredits:", 123, 130),
1548 		FIELD1("uPFLCreditEn:", 122),
1549 		FIELD("FID:", 111, 121),
1550 		FIELD("HostFCMode:", 109, 110),
1551 		FIELD1("HostFCOwner:", 108),
1552 		{ "CIDXFlushThresh:", 105, 107, 0, 0, 1 },
1553 		FIELD("CIDX:", 89, 104),
1554 		FIELD("PIDX:", 73, 88),
1555 		{ "BaseAddress:", 18, 72, 9, 1 },
1556 		FIELD("QueueSize:", 2, 17),
1557 		FIELD1("QueueType:", 1),
1558 		FIELD1("CachePriority:", 0),
1559 		{ NULL }
1560 	};
1561 	static struct field_desc egress_t6[] = {
1562 		FIELD("DCA_ST:", 181, 191),
1563 		FIELD1("StatusPgNS:", 180),
1564 		FIELD1("StatusPgRO:", 179),
1565 		FIELD1("FetchNS:", 178),
1566 		FIELD1("FetchRO:", 177),
1567 		FIELD1("Valid:", 176),
1568 		FIELD1("ReschedulePending_1:", 175),
1569 		FIELD1("PCIeDataChannel:", 174),
1570 		FIELD1("StatusPgTPHintEn:", 173),
1571 		FIELD("StatusPgTPHint:", 171, 172),
1572 		FIELD1("FetchTPHintEn:", 170),
1573 		FIELD("FetchTPHint:", 168, 169),
1574 		FIELD1("FCThreshOverride:", 167),
1575 		{ "WRLength:", 162, 166, 9, 0, 1 },
1576 		FIELD1("WRLengthKnown:", 161),
1577 		FIELD1("ReschedulePending:", 160),
1578 		FIELD("TimerIx:", 157, 159),
1579 		FIELD1("FetchBurstMin:", 156),
1580 		FIELD1("FLMPacking:", 155),
1581 		FIELD("FetchBurstMax:", 153, 154),
1582 		FIELD("uPToken:", 133, 152),
1583 		FIELD1("uPTokenEn:", 132),
1584 		FIELD1("UserModeIO:", 131),
1585 		FIELD("uPFLCredits:", 123, 130),
1586 		FIELD1("uPFLCreditEn:", 122),
1587 		FIELD("FID:", 111, 121),
1588 		FIELD("HostFCMode:", 109, 110),
1589 		FIELD1("HostFCOwner:", 108),
1590 		{ "CIDXFlushThresh:", 105, 107, 0, 0, 1 },
1591 		FIELD("CIDX:", 89, 104),
1592 		FIELD("PIDX:", 73, 88),
1593 		{ "BaseAddress:", 18, 72, 9, 1 },
1594 		FIELD("QueueSize:", 2, 17),
1595 		FIELD1("QueueType:", 1),
1596 		FIELD1("FetchSizeMode:", 0),
1597 		{ NULL }
1598 	};
1599 	static struct field_desc fl_t5[] = {
1600 		FIELD("DCA_ST:", 181, 191),
1601 		FIELD1("StatusPgNS:", 180),
1602 		FIELD1("StatusPgRO:", 179),
1603 		FIELD1("FetchNS:", 178),
1604 		FIELD1("FetchRO:", 177),
1605 		FIELD1("Valid:", 176),
1606 		FIELD("PCIeDataChannel:", 174, 175),
1607 		FIELD1("StatusPgTPHintEn:", 173),
1608 		FIELD("StatusPgTPHint:", 171, 172),
1609 		FIELD1("FetchTPHintEn:", 170),
1610 		FIELD("FetchTPHint:", 168, 169),
1611 		FIELD1("FCThreshOverride:", 167),
1612 		FIELD1("ReschedulePending:", 160),
1613 		FIELD1("OnChipQueue:", 159),
1614 		FIELD1("FetchSizeMode:", 158),
1615 		{ "FetchBurstMin:", 156, 157, 4, 0, 1 },
1616 		FIELD1("FLMPacking:", 155),
1617 		FIELD("FetchBurstMax:", 153, 154),
1618 		FIELD1("FLMcongMode:", 152),
1619 		FIELD("MaxuPFLCredits:", 144, 151),
1620 		FIELD("FLMcontextID:", 133, 143),
1621 		FIELD1("uPTokenEn:", 132),
1622 		FIELD1("UserModeIO:", 131),
1623 		FIELD("uPFLCredits:", 123, 130),
1624 		FIELD1("uPFLCreditEn:", 122),
1625 		FIELD("FID:", 111, 121),
1626 		FIELD("HostFCMode:", 109, 110),
1627 		FIELD1("HostFCOwner:", 108),
1628 		{ "CIDXFlushThresh:", 105, 107, 0, 0, 1 },
1629 		FIELD("CIDX:", 89, 104),
1630 		FIELD("PIDX:", 73, 88),
1631 		{ "BaseAddress:", 18, 72, 9, 1 },
1632 		FIELD("QueueSize:", 2, 17),
1633 		FIELD1("QueueType:", 1),
1634 		FIELD1("CachePriority:", 0),
1635 		{ NULL }
1636 	};
1637 	static struct field_desc ingress_t5[] = {
1638 		FIELD("DCA_ST:", 143, 153),
1639 		FIELD1("ISCSICoalescing:", 142),
1640 		FIELD1("Queue_Valid:", 141),
1641 		FIELD1("TimerPending:", 140),
1642 		FIELD1("DropRSS:", 139),
1643 		FIELD("PCIeChannel:", 137, 138),
1644 		FIELD1("SEInterruptArmed:", 136),
1645 		FIELD1("CongestionMgtEnable:", 135),
1646 		FIELD1("NoSnoop:", 134),
1647 		FIELD1("RelaxedOrdering:", 133),
1648 		FIELD1("GTSmode:", 132),
1649 		FIELD1("TPHintEn:", 131),
1650 		FIELD("TPHint:", 129, 130),
1651 		FIELD1("UpdateScheduling:", 128),
1652 		FIELD("UpdateDelivery:", 126, 127),
1653 		FIELD1("InterruptSent:", 125),
1654 		FIELD("InterruptIDX:", 114, 124),
1655 		FIELD1("InterruptDestination:", 113),
1656 		FIELD1("InterruptArmed:", 112),
1657 		FIELD("RxIntCounter:", 106, 111),
1658 		FIELD("RxIntCounterThreshold:", 104, 105),
1659 		FIELD1("Generation:", 103),
1660 		{ "BaseAddress:", 48, 102, 9, 1 },
1661 		FIELD("PIDX:", 32, 47),
1662 		FIELD("CIDX:", 16, 31),
1663 		{ "QueueSize:", 4, 15, 4, 0 },
1664 		{ "QueueEntrySize:", 2, 3, 4, 0, 1 },
1665 		FIELD1("QueueEntryOverride:", 1),
1666 		FIELD1("CachePriority:", 0),
1667 		{ NULL }
1668 	};
1669 	static struct field_desc ingress_t6[] = {
1670 		FIELD1("SP_NS:", 158),
1671 		FIELD1("SP_RO:", 157),
1672 		FIELD1("SP_TPHintEn:", 156),
1673 		FIELD("SP_TPHint:", 154, 155),
1674 		FIELD("DCA_ST:", 143, 153),
1675 		FIELD1("ISCSICoalescing:", 142),
1676 		FIELD1("Queue_Valid:", 141),
1677 		FIELD1("TimerPending:", 140),
1678 		FIELD1("DropRSS:", 139),
1679 		FIELD("PCIeChannel:", 137, 138),
1680 		FIELD1("SEInterruptArmed:", 136),
1681 		FIELD1("CongestionMgtEnable:", 135),
1682 		FIELD1("NoSnoop:", 134),
1683 		FIELD1("RelaxedOrdering:", 133),
1684 		FIELD1("GTSmode:", 132),
1685 		FIELD1("TPHintEn:", 131),
1686 		FIELD("TPHint:", 129, 130),
1687 		FIELD1("UpdateScheduling:", 128),
1688 		FIELD("UpdateDelivery:", 126, 127),
1689 		FIELD1("InterruptSent:", 125),
1690 		FIELD("InterruptIDX:", 114, 124),
1691 		FIELD1("InterruptDestination:", 113),
1692 		FIELD1("InterruptArmed:", 112),
1693 		FIELD("RxIntCounter:", 106, 111),
1694 		FIELD("RxIntCounterThreshold:", 104, 105),
1695 		FIELD1("Generation:", 103),
1696 		{ "BaseAddress:", 48, 102, 9, 1 },
1697 		FIELD("PIDX:", 32, 47),
1698 		FIELD("CIDX:", 16, 31),
1699 		{ "QueueSize:", 4, 15, 4, 0 },
1700 		{ "QueueEntrySize:", 2, 3, 4, 0, 1 },
1701 		FIELD1("QueueEntryOverride:", 1),
1702 		FIELD1("CachePriority:", 0),
1703 		{ NULL }
1704 	};
1705 	static struct field_desc flm_t5[] = {
1706 		FIELD1("Valid:", 89),
1707 		FIELD("SplitLenMode:", 87, 88),
1708 		FIELD1("TPHintEn:", 86),
1709 		FIELD("TPHint:", 84, 85),
1710 		FIELD1("NoSnoop:", 83),
1711 		FIELD1("RelaxedOrdering:", 82),
1712 		FIELD("DCA_ST:", 71, 81),
1713 		FIELD("EQid:", 54, 70),
1714 		FIELD("SplitEn:", 52, 53),
1715 		FIELD1("PadEn:", 51),
1716 		FIELD1("PackEn:", 50),
1717 		FIELD1("Cache_Lock :", 49),
1718 		FIELD1("CongDrop:", 48),
1719 		FIELD("PackOffset:", 16, 47),
1720 		FIELD("CIDX:", 8, 15),
1721 		FIELD("PIDX:", 0, 7),
1722 		{ NULL }
1723 	};
1724 	static struct field_desc flm_t6[] = {
1725 		FIELD1("Valid:", 89),
1726 		FIELD("SplitLenMode:", 87, 88),
1727 		FIELD1("TPHintEn:", 86),
1728 		FIELD("TPHint:", 84, 85),
1729 		FIELD1("NoSnoop:", 83),
1730 		FIELD1("RelaxedOrdering:", 82),
1731 		FIELD("DCA_ST:", 71, 81),
1732 		FIELD("EQid:", 54, 70),
1733 		FIELD("SplitEn:", 52, 53),
1734 		FIELD1("PadEn:", 51),
1735 		FIELD1("PackEn:", 50),
1736 		FIELD1("Cache_Lock :", 49),
1737 		FIELD1("CongDrop:", 48),
1738 		FIELD1("Inflight:", 47),
1739 		FIELD1("CongEn:", 46),
1740 		FIELD1("CongMode:", 45),
1741 		FIELD("PackOffset:", 20, 39),
1742 		FIELD("CIDX:", 8, 15),
1743 		FIELD("PIDX:", 0, 7),
1744 		{ NULL }
1745 	};
1746 	static struct field_desc conm_t5[] = {
1747 		FIELD1("CngMPSEnable:", 21),
1748 		FIELD("CngTPMode:", 19, 20),
1749 		FIELD1("CngDBPHdr:", 18),
1750 		FIELD1("CngDBPData:", 17),
1751 		FIELD1("CngIMSG:", 16),
1752 		{ "CngChMap:", 0, 15, 0, 1, 0 },
1753 		{ NULL }
1754 	};
1755 
1756 	if (p->mem_id == SGE_CONTEXT_EGRESS) {
1757 		if (p->data[0] & 2)
1758 			show_struct(p->data, 6, fl_t5);
1759 		else if (vers == 5)
1760 			show_struct(p->data, 6, egress_t5);
1761 		else
1762 			show_struct(p->data, 6, egress_t6);
1763 	} else if (p->mem_id == SGE_CONTEXT_FLM)
1764 		show_struct(p->data, 3, vers == 5 ? flm_t5 : flm_t6);
1765 	else if (p->mem_id == SGE_CONTEXT_INGRESS)
1766 		show_struct(p->data, 5, vers == 5 ? ingress_t5 : ingress_t6);
1767 	else if (p->mem_id == SGE_CONTEXT_CNM)
1768 		show_struct(p->data, 1, conm_t5);
1769 }
1770 
1771 static void
1772 show_t4_ctxt(const struct t4_sge_context *p)
1773 {
1774 	static struct field_desc egress_t4[] = {
1775 		FIELD1("StatusPgNS:", 180),
1776 		FIELD1("StatusPgRO:", 179),
1777 		FIELD1("FetchNS:", 178),
1778 		FIELD1("FetchRO:", 177),
1779 		FIELD1("Valid:", 176),
1780 		FIELD("PCIeDataChannel:", 174, 175),
1781 		FIELD1("DCAEgrQEn:", 173),
1782 		FIELD("DCACPUID:", 168, 172),
1783 		FIELD1("FCThreshOverride:", 167),
1784 		FIELD("WRLength:", 162, 166),
1785 		FIELD1("WRLengthKnown:", 161),
1786 		FIELD1("ReschedulePending:", 160),
1787 		FIELD1("OnChipQueue:", 159),
1788 		FIELD1("FetchSizeMode", 158),
1789 		{ "FetchBurstMin:", 156, 157, 4, 0, 1 },
1790 		{ "FetchBurstMax:", 153, 154, 6, 0, 1 },
1791 		FIELD("uPToken:", 133, 152),
1792 		FIELD1("uPTokenEn:", 132),
1793 		FIELD1("UserModeIO:", 131),
1794 		FIELD("uPFLCredits:", 123, 130),
1795 		FIELD1("uPFLCreditEn:", 122),
1796 		FIELD("FID:", 111, 121),
1797 		FIELD("HostFCMode:", 109, 110),
1798 		FIELD1("HostFCOwner:", 108),
1799 		{ "CIDXFlushThresh:", 105, 107, 0, 0, 1 },
1800 		FIELD("CIDX:", 89, 104),
1801 		FIELD("PIDX:", 73, 88),
1802 		{ "BaseAddress:", 18, 72, 9, 1 },
1803 		FIELD("QueueSize:", 2, 17),
1804 		FIELD1("QueueType:", 1),
1805 		FIELD1("CachePriority:", 0),
1806 		{ NULL }
1807 	};
1808 	static struct field_desc fl_t4[] = {
1809 		FIELD1("StatusPgNS:", 180),
1810 		FIELD1("StatusPgRO:", 179),
1811 		FIELD1("FetchNS:", 178),
1812 		FIELD1("FetchRO:", 177),
1813 		FIELD1("Valid:", 176),
1814 		FIELD("PCIeDataChannel:", 174, 175),
1815 		FIELD1("DCAEgrQEn:", 173),
1816 		FIELD("DCACPUID:", 168, 172),
1817 		FIELD1("FCThreshOverride:", 167),
1818 		FIELD1("ReschedulePending:", 160),
1819 		FIELD1("OnChipQueue:", 159),
1820 		FIELD1("FetchSizeMode", 158),
1821 		{ "FetchBurstMin:", 156, 157, 4, 0, 1 },
1822 		{ "FetchBurstMax:", 153, 154, 6, 0, 1 },
1823 		FIELD1("FLMcongMode:", 152),
1824 		FIELD("MaxuPFLCredits:", 144, 151),
1825 		FIELD("FLMcontextID:", 133, 143),
1826 		FIELD1("uPTokenEn:", 132),
1827 		FIELD1("UserModeIO:", 131),
1828 		FIELD("uPFLCredits:", 123, 130),
1829 		FIELD1("uPFLCreditEn:", 122),
1830 		FIELD("FID:", 111, 121),
1831 		FIELD("HostFCMode:", 109, 110),
1832 		FIELD1("HostFCOwner:", 108),
1833 		{ "CIDXFlushThresh:", 105, 107, 0, 0, 1 },
1834 		FIELD("CIDX:", 89, 104),
1835 		FIELD("PIDX:", 73, 88),
1836 		{ "BaseAddress:", 18, 72, 9, 1 },
1837 		FIELD("QueueSize:", 2, 17),
1838 		FIELD1("QueueType:", 1),
1839 		FIELD1("CachePriority:", 0),
1840 		{ NULL }
1841 	};
1842 	static struct field_desc ingress_t4[] = {
1843 		FIELD1("NoSnoop:", 145),
1844 		FIELD1("RelaxedOrdering:", 144),
1845 		FIELD1("GTSmode:", 143),
1846 		FIELD1("ISCSICoalescing:", 142),
1847 		FIELD1("Valid:", 141),
1848 		FIELD1("TimerPending:", 140),
1849 		FIELD1("DropRSS:", 139),
1850 		FIELD("PCIeChannel:", 137, 138),
1851 		FIELD1("SEInterruptArmed:", 136),
1852 		FIELD1("CongestionMgtEnable:", 135),
1853 		FIELD1("DCAIngQEnable:", 134),
1854 		FIELD("DCACPUID:", 129, 133),
1855 		FIELD1("UpdateScheduling:", 128),
1856 		FIELD("UpdateDelivery:", 126, 127),
1857 		FIELD1("InterruptSent:", 125),
1858 		FIELD("InterruptIDX:", 114, 124),
1859 		FIELD1("InterruptDestination:", 113),
1860 		FIELD1("InterruptArmed:", 112),
1861 		FIELD("RxIntCounter:", 106, 111),
1862 		FIELD("RxIntCounterThreshold:", 104, 105),
1863 		FIELD1("Generation:", 103),
1864 		{ "BaseAddress:", 48, 102, 9, 1 },
1865 		FIELD("PIDX:", 32, 47),
1866 		FIELD("CIDX:", 16, 31),
1867 		{ "QueueSize:", 4, 15, 4, 0 },
1868 		{ "QueueEntrySize:", 2, 3, 4, 0, 1 },
1869 		FIELD1("QueueEntryOverride:", 1),
1870 		FIELD1("CachePriority:", 0),
1871 		{ NULL }
1872 	};
1873 	static struct field_desc flm_t4[] = {
1874 		FIELD1("NoSnoop:", 79),
1875 		FIELD1("RelaxedOrdering:", 78),
1876 		FIELD1("Valid:", 77),
1877 		FIELD("DCACPUID:", 72, 76),
1878 		FIELD1("DCAFLEn:", 71),
1879 		FIELD("EQid:", 54, 70),
1880 		FIELD("SplitEn:", 52, 53),
1881 		FIELD1("PadEn:", 51),
1882 		FIELD1("PackEn:", 50),
1883 		FIELD1("DBpriority:", 48),
1884 		FIELD("PackOffset:", 16, 47),
1885 		FIELD("CIDX:", 8, 15),
1886 		FIELD("PIDX:", 0, 7),
1887 		{ NULL }
1888 	};
1889 	static struct field_desc conm_t4[] = {
1890 		FIELD1("CngDBPHdr:", 6),
1891 		FIELD1("CngDBPData:", 5),
1892 		FIELD1("CngIMSG:", 4),
1893 		{ "CngChMap:", 0, 3, 0, 1, 0},
1894 		{ NULL }
1895 	};
1896 
1897 	if (p->mem_id == SGE_CONTEXT_EGRESS)
1898 		show_struct(p->data, 6, (p->data[0] & 2) ? fl_t4 : egress_t4);
1899 	else if (p->mem_id == SGE_CONTEXT_FLM)
1900 		show_struct(p->data, 3, flm_t4);
1901 	else if (p->mem_id == SGE_CONTEXT_INGRESS)
1902 		show_struct(p->data, 5, ingress_t4);
1903 	else if (p->mem_id == SGE_CONTEXT_CNM)
1904 		show_struct(p->data, 1, conm_t4);
1905 }
1906 
1907 #undef FIELD
1908 #undef FIELD1
1909 
1910 static int
1911 get_sge_context(int argc, const char *argv[])
1912 {
1913 	int rc;
1914 	char *p;
1915 	long cid;
1916 	struct t4_sge_context cntxt = {0};
1917 
1918 	if (argc != 2) {
1919 		warnx("sge_context: incorrect number of arguments.");
1920 		return (EINVAL);
1921 	}
1922 
1923 	if (!strcmp(argv[0], "egress"))
1924 		cntxt.mem_id = SGE_CONTEXT_EGRESS;
1925 	else if (!strcmp(argv[0], "ingress"))
1926 		cntxt.mem_id = SGE_CONTEXT_INGRESS;
1927 	else if (!strcmp(argv[0], "fl"))
1928 		cntxt.mem_id = SGE_CONTEXT_FLM;
1929 	else if (!strcmp(argv[0], "cong"))
1930 		cntxt.mem_id = SGE_CONTEXT_CNM;
1931 	else {
1932 		warnx("unknown context type \"%s\"; known types are egress, "
1933 		    "ingress, fl, and cong.", argv[0]);
1934 		return (EINVAL);
1935 	}
1936 
1937 	p = str_to_number(argv[1], &cid, NULL);
1938 	if (*p) {
1939 		warnx("invalid context id \"%s\"", argv[1]);
1940 		return (EINVAL);
1941 	}
1942 	cntxt.cid = cid;
1943 
1944 	rc = doit(CHELSIO_T4_GET_SGE_CONTEXT, &cntxt);
1945 	if (rc != 0)
1946 		return (rc);
1947 
1948 	if (chip_id == 4)
1949 		show_t4_ctxt(&cntxt);
1950 	else
1951 		show_t5t6_ctxt(&cntxt, chip_id);
1952 
1953 	return (0);
1954 }
1955 
1956 static int
1957 loadfw(int argc, const char *argv[])
1958 {
1959 	int rc, fd;
1960 	struct t4_data data = {0};
1961 	const char *fname = argv[0];
1962 	struct stat st = {0};
1963 
1964 	if (argc != 1) {
1965 		warnx("loadfw: incorrect number of arguments.");
1966 		return (EINVAL);
1967 	}
1968 
1969 	fd = open(fname, O_RDONLY);
1970 	if (fd < 0) {
1971 		warn("open(%s)", fname);
1972 		return (errno);
1973 	}
1974 
1975 	if (fstat(fd, &st) < 0) {
1976 		warn("fstat");
1977 		close(fd);
1978 		return (errno);
1979 	}
1980 
1981 	data.len = st.st_size;
1982 	data.data = mmap(0, data.len, PROT_READ, MAP_PRIVATE, fd, 0);
1983 	if (data.data == MAP_FAILED) {
1984 		warn("mmap");
1985 		close(fd);
1986 		return (errno);
1987 	}
1988 
1989 	rc = doit(CHELSIO_T4_LOAD_FW, &data);
1990 	munmap(data.data, data.len);
1991 	close(fd);
1992 	return (rc);
1993 }
1994 
1995 static int
1996 loadcfg(int argc, const char *argv[])
1997 {
1998 	int rc, fd;
1999 	struct t4_data data = {0};
2000 	const char *fname = argv[0];
2001 	struct stat st = {0};
2002 
2003 	if (argc != 1) {
2004 		warnx("loadcfg: incorrect number of arguments.");
2005 		return (EINVAL);
2006 	}
2007 
2008 	if (strcmp(fname, "clear") == 0)
2009 		return (doit(CHELSIO_T4_LOAD_CFG, &data));
2010 
2011 	fd = open(fname, O_RDONLY);
2012 	if (fd < 0) {
2013 		warn("open(%s)", fname);
2014 		return (errno);
2015 	}
2016 
2017 	if (fstat(fd, &st) < 0) {
2018 		warn("fstat");
2019 		close(fd);
2020 		return (errno);
2021 	}
2022 
2023 	data.len = st.st_size;
2024 	data.len &= ~3;		/* Clip off to make it a multiple of 4 */
2025 	data.data = mmap(0, data.len, PROT_READ, MAP_PRIVATE, fd, 0);
2026 	if (data.data == MAP_FAILED) {
2027 		warn("mmap");
2028 		close(fd);
2029 		return (errno);
2030 	}
2031 
2032 	rc = doit(CHELSIO_T4_LOAD_CFG, &data);
2033 	munmap(data.data, data.len);
2034 	close(fd);
2035 	return (rc);
2036 }
2037 
2038 static int
2039 dumpstate(int argc, const char *argv[])
2040 {
2041 	int rc, fd;
2042 	struct t4_cudbg_dump dump = {0};
2043 	const char *fname = argv[0];
2044 
2045 	if (argc != 1) {
2046 		warnx("dumpstate: incorrect number of arguments.");
2047 		return (EINVAL);
2048 	}
2049 
2050 	dump.wr_flash = 0;
2051 	memset(&dump.bitmap, 0xff, sizeof(dump.bitmap));
2052 	dump.len = 8 * 1024 * 1024;
2053 	dump.data = malloc(dump.len);
2054 	if (dump.data == NULL) {
2055 		return (ENOMEM);
2056 	}
2057 
2058 	rc = doit(CHELSIO_T4_CUDBG_DUMP, &dump);
2059 	if (rc != 0)
2060 		goto done;
2061 
2062 	fd = open(fname, O_CREAT | O_TRUNC | O_EXCL | O_WRONLY,
2063 	    S_IRUSR | S_IRGRP | S_IROTH);
2064 	if (fd < 0) {
2065 		warn("open(%s)", fname);
2066 		rc = errno;
2067 		goto done;
2068 	}
2069 	write(fd, dump.data, dump.len);
2070 	close(fd);
2071 done:
2072 	free(dump.data);
2073 	return (rc);
2074 }
2075 
2076 static int
2077 read_mem(uint32_t addr, uint32_t len, void (*output)(uint32_t *, uint32_t))
2078 {
2079 	int rc;
2080 	struct t4_mem_range mr;
2081 
2082 	mr.addr = addr;
2083 	mr.len = len;
2084 	mr.data = malloc(mr.len);
2085 
2086 	if (mr.data == 0) {
2087 		warn("read_mem: malloc");
2088 		return (errno);
2089 	}
2090 
2091 	rc = doit(CHELSIO_T4_GET_MEM, &mr);
2092 	if (rc != 0)
2093 		goto done;
2094 
2095 	if (output)
2096 		(*output)(mr.data, mr.len);
2097 done:
2098 	free(mr.data);
2099 	return (rc);
2100 }
2101 
2102 static int
2103 loadboot(int argc, const char *argv[])
2104 {
2105 	int rc, fd;
2106 	long l;
2107 	char *p;
2108 	struct t4_bootrom br = {0};
2109 	const char *fname = argv[0];
2110 	struct stat st = {0};
2111 
2112 	if (argc == 1) {
2113 		br.pf_offset = 0;
2114 		br.pfidx_addr = 0;
2115 	} else if (argc == 3) {
2116 		if (!strcmp(argv[1], "pf"))
2117 			br.pf_offset = 0;
2118 		else if (!strcmp(argv[1], "offset"))
2119 			br.pf_offset = 1;
2120 		else
2121 			return (EINVAL);
2122 
2123 		p = str_to_number(argv[2], &l, NULL);
2124 		if (*p)
2125 			return (EINVAL);
2126 		br.pfidx_addr = l;
2127 	} else {
2128 		warnx("loadboot: incorrect number of arguments.");
2129 		return (EINVAL);
2130 	}
2131 
2132 	if (strcmp(fname, "clear") == 0)
2133 		return (doit(CHELSIO_T4_LOAD_BOOT, &br));
2134 
2135 	fd = open(fname, O_RDONLY);
2136 	if (fd < 0) {
2137 		warn("open(%s)", fname);
2138 		return (errno);
2139 	}
2140 
2141 	if (fstat(fd, &st) < 0) {
2142 		warn("fstat");
2143 		close(fd);
2144 		return (errno);
2145 	}
2146 
2147 	br.len = st.st_size;
2148 	br.data = mmap(0, br.len, PROT_READ, MAP_PRIVATE, fd, 0);
2149 	if (br.data == MAP_FAILED) {
2150 		warn("mmap");
2151 		close(fd);
2152 		return (errno);
2153 	}
2154 
2155 	rc = doit(CHELSIO_T4_LOAD_BOOT, &br);
2156 	munmap(br.data, br.len);
2157 	close(fd);
2158 	return (rc);
2159 }
2160 
2161 static int
2162 loadbootcfg(int argc, const char *argv[])
2163 {
2164 	int rc, fd;
2165 	struct t4_data bc = {0};
2166 	const char *fname = argv[0];
2167 	struct stat st = {0};
2168 
2169 	if (argc != 1) {
2170 		warnx("loadbootcfg: incorrect number of arguments.");
2171 		return (EINVAL);
2172 	}
2173 
2174 	if (strcmp(fname, "clear") == 0)
2175 		return (doit(CHELSIO_T4_LOAD_BOOTCFG, &bc));
2176 
2177 	fd = open(fname, O_RDONLY);
2178 	if (fd < 0) {
2179 		warn("open(%s)", fname);
2180 		return (errno);
2181 	}
2182 
2183 	if (fstat(fd, &st) < 0) {
2184 		warn("fstat");
2185 		close(fd);
2186 		return (errno);
2187 	}
2188 
2189 	bc.len = st.st_size;
2190 	bc.data = mmap(0, bc.len, PROT_READ, MAP_PRIVATE, fd, 0);
2191 	if (bc.data == MAP_FAILED) {
2192 		warn("mmap");
2193 		close(fd);
2194 		return (errno);
2195 	}
2196 
2197 	rc = doit(CHELSIO_T4_LOAD_BOOTCFG, &bc);
2198 	munmap(bc.data, bc.len);
2199 	close(fd);
2200 	return (rc);
2201 }
2202 
2203 /*
2204  * Display memory as list of 'n' 4-byte values per line.
2205  */
2206 static void
2207 show_mem(uint32_t *buf, uint32_t len)
2208 {
2209 	const char *s;
2210 	int i, n = 8;
2211 
2212 	while (len) {
2213 		for (i = 0; len && i < n; i++, buf++, len -= 4) {
2214 			s = i ? " " : "";
2215 			printf("%s%08x", s, htonl(*buf));
2216 		}
2217 		printf("\n");
2218 	}
2219 }
2220 
2221 static int
2222 memdump(int argc, const char *argv[])
2223 {
2224 	char *p;
2225 	long l;
2226 	uint32_t addr, len;
2227 
2228 	if (argc != 2) {
2229 		warnx("incorrect number of arguments.");
2230 		return (EINVAL);
2231 	}
2232 
2233 	p = str_to_number(argv[0], &l, NULL);
2234 	if (*p) {
2235 		warnx("invalid address \"%s\"", argv[0]);
2236 		return (EINVAL);
2237 	}
2238 	addr = l;
2239 
2240 	p = str_to_number(argv[1], &l, NULL);
2241 	if (*p) {
2242 		warnx("memdump: invalid length \"%s\"", argv[1]);
2243 		return (EINVAL);
2244 	}
2245 	len = l;
2246 
2247 	return (read_mem(addr, len, show_mem));
2248 }
2249 
2250 /*
2251  * Display TCB as list of 'n' 4-byte values per line.
2252  */
2253 static void
2254 show_tcb(uint32_t *buf, uint32_t len)
2255 {
2256 	unsigned char *tcb = (unsigned char *)buf;
2257 	const char *s;
2258 	int i, n = 8;
2259 
2260 	while (len) {
2261 		for (i = 0; len && i < n; i++, buf++, len -= 4) {
2262 			s = i ? " " : "";
2263 			printf("%s%08x", s, htonl(*buf));
2264 		}
2265 		printf("\n");
2266 	}
2267 	set_tcb_info(TIDTYPE_TCB, chip_id);
2268 	set_print_style(PRNTSTYL_COMP);
2269 	swizzle_tcb(tcb);
2270 	parse_n_display_xcb(tcb);
2271 }
2272 
2273 #define A_TP_CMM_TCB_BASE 0x7d10
2274 #define TCB_SIZE 128
2275 static int
2276 read_tcb(int argc, const char *argv[])
2277 {
2278 	char *p;
2279 	long l;
2280 	long long val;
2281 	unsigned int tid;
2282 	uint32_t addr;
2283 	int rc;
2284 
2285 	if (argc != 1) {
2286 		warnx("incorrect number of arguments.");
2287 		return (EINVAL);
2288 	}
2289 
2290 	p = str_to_number(argv[0], &l, NULL);
2291 	if (*p) {
2292 		warnx("invalid tid \"%s\"", argv[0]);
2293 		return (EINVAL);
2294 	}
2295 	tid = l;
2296 
2297 	rc = read_reg(A_TP_CMM_TCB_BASE, 4, &val);
2298 	if (rc != 0)
2299 		return (rc);
2300 
2301 	addr = val + tid * TCB_SIZE;
2302 
2303 	return (read_mem(addr, TCB_SIZE, show_tcb));
2304 }
2305 
2306 static int
2307 read_i2c(int argc, const char *argv[])
2308 {
2309 	char *p;
2310 	long l;
2311 	struct t4_i2c_data i2cd;
2312 	int rc, i;
2313 
2314 	if (argc < 3 || argc > 4) {
2315 		warnx("incorrect number of arguments.");
2316 		return (EINVAL);
2317 	}
2318 
2319 	p = str_to_number(argv[0], &l, NULL);
2320 	if (*p || l > UCHAR_MAX) {
2321 		warnx("invalid port id \"%s\"", argv[0]);
2322 		return (EINVAL);
2323 	}
2324 	i2cd.port_id = l;
2325 
2326 	p = str_to_number(argv[1], &l, NULL);
2327 	if (*p || l > UCHAR_MAX) {
2328 		warnx("invalid i2c device address \"%s\"", argv[1]);
2329 		return (EINVAL);
2330 	}
2331 	i2cd.dev_addr = l;
2332 
2333 	p = str_to_number(argv[2], &l, NULL);
2334 	if (*p || l > UCHAR_MAX) {
2335 		warnx("invalid byte offset \"%s\"", argv[2]);
2336 		return (EINVAL);
2337 	}
2338 	i2cd.offset = l;
2339 
2340 	if (argc == 4) {
2341 		p = str_to_number(argv[3], &l, NULL);
2342 		if (*p || l > sizeof(i2cd.data)) {
2343 			warnx("invalid number of bytes \"%s\"", argv[3]);
2344 			return (EINVAL);
2345 		}
2346 		i2cd.len = l;
2347 	} else
2348 		i2cd.len = 1;
2349 
2350 	rc = doit(CHELSIO_T4_GET_I2C, &i2cd);
2351 	if (rc != 0)
2352 		return (rc);
2353 
2354 	for (i = 0; i < i2cd.len; i++)
2355 		printf("0x%x [%u]\n", i2cd.data[i], i2cd.data[i]);
2356 
2357 	return (0);
2358 }
2359 
2360 static int
2361 clearstats(int argc, const char *argv[])
2362 {
2363 	char *p;
2364 	long l;
2365 	uint32_t port;
2366 
2367 	if (argc != 1) {
2368 		warnx("incorrect number of arguments.");
2369 		return (EINVAL);
2370 	}
2371 
2372 	p = str_to_number(argv[0], &l, NULL);
2373 	if (*p) {
2374 		warnx("invalid port id \"%s\"", argv[0]);
2375 		return (EINVAL);
2376 	}
2377 	port = l;
2378 
2379 	return doit(CHELSIO_T4_CLEAR_STATS, &port);
2380 }
2381 
2382 static int
2383 show_tracers(void)
2384 {
2385 	struct t4_tracer t;
2386 	char *s;
2387 	int rc, port_idx, i;
2388 	long long val;
2389 
2390 	/* Magic values: MPS_TRC_CFG = 0x9800. MPS_TRC_CFG[1:1] = TrcEn */
2391 	rc = read_reg(0x9800, 4, &val);
2392 	if (rc != 0)
2393 		return (rc);
2394 	printf("tracing is %s\n", val & 2 ? "ENABLED" : "DISABLED");
2395 
2396 	t.idx = 0;
2397 	for (t.idx = 0; ; t.idx++) {
2398 		rc = doit(CHELSIO_T4_GET_TRACER, &t);
2399 		if (rc != 0 || t.idx == 0xff)
2400 			break;
2401 
2402 		if (t.tp.port < 4) {
2403 			s = "Rx";
2404 			port_idx = t.tp.port;
2405 		} else if (t.tp.port < 8) {
2406 			s = "Tx";
2407 			port_idx = t.tp.port - 4;
2408 		} else if (t.tp.port < 12) {
2409 			s = "loopback";
2410 			port_idx = t.tp.port - 8;
2411 		} else if (t.tp.port < 16) {
2412 			s = "MPS Rx";
2413 			port_idx = t.tp.port - 12;
2414 		} else if (t.tp.port < 20) {
2415 			s = "MPS Tx";
2416 			port_idx = t.tp.port - 16;
2417 		} else {
2418 			s = "unknown";
2419 			port_idx = t.tp.port;
2420 		}
2421 
2422 		printf("\ntracer %u (currently %s) captures ", t.idx,
2423 		    t.enabled ? "ENABLED" : "DISABLED");
2424 		if (t.tp.port < 8)
2425 			printf("port %u %s, ", port_idx, s);
2426 		else
2427 			printf("%s %u, ", s, port_idx);
2428 		printf("snap length: %u, min length: %u\n", t.tp.snap_len,
2429 		    t.tp.min_len);
2430 		printf("packets captured %smatch filter\n",
2431 		    t.tp.invert ? "do not " : "");
2432 		if (t.tp.skip_ofst) {
2433 			printf("filter pattern: ");
2434 			for (i = 0; i < t.tp.skip_ofst * 2; i += 2)
2435 				printf("%08x%08x", t.tp.data[i],
2436 				    t.tp.data[i + 1]);
2437 			printf("/");
2438 			for (i = 0; i < t.tp.skip_ofst * 2; i += 2)
2439 				printf("%08x%08x", t.tp.mask[i],
2440 				    t.tp.mask[i + 1]);
2441 			printf("@0\n");
2442 		}
2443 		printf("filter pattern: ");
2444 		for (i = t.tp.skip_ofst * 2; i < T4_TRACE_LEN / 4; i += 2)
2445 			printf("%08x%08x", t.tp.data[i], t.tp.data[i + 1]);
2446 		printf("/");
2447 		for (i = t.tp.skip_ofst * 2; i < T4_TRACE_LEN / 4; i += 2)
2448 			printf("%08x%08x", t.tp.mask[i], t.tp.mask[i + 1]);
2449 		printf("@%u\n", (t.tp.skip_ofst + t.tp.skip_len) * 8);
2450 	}
2451 
2452 	return (rc);
2453 }
2454 
2455 static int
2456 tracer_onoff(uint8_t idx, int enabled)
2457 {
2458 	struct t4_tracer t;
2459 
2460 	t.idx = idx;
2461 	t.enabled = enabled;
2462 	t.valid = 0;
2463 
2464 	return doit(CHELSIO_T4_SET_TRACER, &t);
2465 }
2466 
2467 static void
2468 create_tracing_ifnet()
2469 {
2470 	char *cmd[] = {
2471 		"/sbin/ifconfig", __DECONST(char *, nexus), "create", NULL
2472 	};
2473 	char *env[] = {NULL};
2474 
2475 	if (vfork() == 0) {
2476 		close(STDERR_FILENO);
2477 		execve(cmd[0], cmd, env);
2478 		_exit(0);
2479 	}
2480 }
2481 
2482 /*
2483  * XXX: Allow user to specify snaplen, minlen, and pattern (including inverted
2484  * matching).  Right now this is a quick-n-dirty implementation that traces the
2485  * first 128B of all tx or rx on a port
2486  */
2487 static int
2488 set_tracer(uint8_t idx, int argc, const char *argv[])
2489 {
2490 	struct t4_tracer t;
2491 	int len, port;
2492 
2493 	bzero(&t, sizeof (t));
2494 	t.idx = idx;
2495 	t.enabled = 1;
2496 	t.valid = 1;
2497 
2498 	if (argc != 1) {
2499 		warnx("must specify tx<n> or rx<n>.");
2500 		return (EINVAL);
2501 	}
2502 
2503 	len = strlen(argv[0]);
2504 	if (len != 3) {
2505 		warnx("argument must be 3 characters (tx<n> or rx<n>)");
2506 		return (EINVAL);
2507 	}
2508 
2509 	if (strncmp(argv[0], "tx", 2) == 0) {
2510 		port = argv[0][2] - '0';
2511 		if (port < 0 || port > 3) {
2512 			warnx("'%c' in %s is invalid", argv[0][2], argv[0]);
2513 			return (EINVAL);
2514 		}
2515 		port += 4;
2516 	} else if (strncmp(argv[0], "rx", 2) == 0) {
2517 		port = argv[0][2] - '0';
2518 		if (port < 0 || port > 3) {
2519 			warnx("'%c' in %s is invalid", argv[0][2], argv[0]);
2520 			return (EINVAL);
2521 		}
2522 	} else {
2523 		warnx("argument '%s' isn't tx<n> or rx<n>", argv[0]);
2524 		return (EINVAL);
2525 	}
2526 
2527 	t.tp.snap_len = 128;
2528 	t.tp.min_len = 0;
2529 	t.tp.skip_ofst = 0;
2530 	t.tp.skip_len = 0;
2531 	t.tp.invert = 0;
2532 	t.tp.port = port;
2533 
2534 	create_tracing_ifnet();
2535 	return doit(CHELSIO_T4_SET_TRACER, &t);
2536 }
2537 
2538 static int
2539 tracer_cmd(int argc, const char *argv[])
2540 {
2541 	long long val;
2542 	uint8_t idx;
2543 	char *s;
2544 
2545 	if (argc == 0) {
2546 		warnx("tracer: no arguments.");
2547 		return (EINVAL);
2548 	};
2549 
2550 	/* list */
2551 	if (strcmp(argv[0], "list") == 0) {
2552 		if (argc != 1)
2553 			warnx("trailing arguments after \"list\" ignored.");
2554 
2555 		return show_tracers();
2556 	}
2557 
2558 	/* <idx> ... */
2559 	s = str_to_number(argv[0], NULL, &val);
2560 	if (*s || val > 0xff) {
2561 		warnx("\"%s\" is neither an index nor a tracer subcommand.",
2562 		    argv[0]);
2563 		return (EINVAL);
2564 	}
2565 	idx = (int8_t)val;
2566 
2567 	/* <idx> disable */
2568 	if (argc == 2 && strcmp(argv[1], "disable") == 0)
2569 		return tracer_onoff(idx, 0);
2570 
2571 	/* <idx> enable */
2572 	if (argc == 2 && strcmp(argv[1], "enable") == 0)
2573 		return tracer_onoff(idx, 1);
2574 
2575 	/* <idx> ... */
2576 	return set_tracer(idx, argc - 1, argv + 1);
2577 }
2578 
2579 static int
2580 modinfo_raw(int port_id)
2581 {
2582 	uint8_t offset;
2583 	struct t4_i2c_data i2cd;
2584 	int rc;
2585 
2586 	for (offset = 0; offset < 96; offset += sizeof(i2cd.data)) {
2587 		bzero(&i2cd, sizeof(i2cd));
2588 		i2cd.port_id = port_id;
2589 		i2cd.dev_addr = 0xa0;
2590 		i2cd.offset = offset;
2591 		i2cd.len = sizeof(i2cd.data);
2592 		rc = doit(CHELSIO_T4_GET_I2C, &i2cd);
2593 		if (rc != 0)
2594 			return (rc);
2595 		printf("%02x:  %02x %02x %02x %02x  %02x %02x %02x %02x",
2596 		    offset, i2cd.data[0], i2cd.data[1], i2cd.data[2],
2597 		    i2cd.data[3], i2cd.data[4], i2cd.data[5], i2cd.data[6],
2598 		    i2cd.data[7]);
2599 
2600 		printf("  %c%c%c%c %c%c%c%c\n",
2601 		    isprint(i2cd.data[0]) ? i2cd.data[0] : '.',
2602 		    isprint(i2cd.data[1]) ? i2cd.data[1] : '.',
2603 		    isprint(i2cd.data[2]) ? i2cd.data[2] : '.',
2604 		    isprint(i2cd.data[3]) ? i2cd.data[3] : '.',
2605 		    isprint(i2cd.data[4]) ? i2cd.data[4] : '.',
2606 		    isprint(i2cd.data[5]) ? i2cd.data[5] : '.',
2607 		    isprint(i2cd.data[6]) ? i2cd.data[6] : '.',
2608 		    isprint(i2cd.data[7]) ? i2cd.data[7] : '.');
2609 	}
2610 
2611 	return (0);
2612 }
2613 
2614 static int
2615 modinfo(int argc, const char *argv[])
2616 {
2617 	long port;
2618 	char string[16], *p;
2619 	struct t4_i2c_data i2cd;
2620 	int rc, i;
2621 	uint16_t temp, vcc, tx_bias, tx_power, rx_power;
2622 
2623 	if (argc < 1) {
2624 		warnx("must supply a port");
2625 		return (EINVAL);
2626 	}
2627 
2628 	if (argc > 2) {
2629 		warnx("too many arguments");
2630 		return (EINVAL);
2631 	}
2632 
2633 	p = str_to_number(argv[0], &port, NULL);
2634 	if (*p || port > UCHAR_MAX) {
2635 		warnx("invalid port id \"%s\"", argv[0]);
2636 		return (EINVAL);
2637 	}
2638 
2639 	if (argc == 2) {
2640 		if (!strcmp(argv[1], "raw"))
2641 			return (modinfo_raw(port));
2642 		else {
2643 			warnx("second argument can only be \"raw\"");
2644 			return (EINVAL);
2645 		}
2646 	}
2647 
2648 	bzero(&i2cd, sizeof(i2cd));
2649 	i2cd.len = 1;
2650 	i2cd.port_id = port;
2651 	i2cd.dev_addr = SFF_8472_BASE;
2652 
2653 	i2cd.offset = SFF_8472_ID;
2654 	if ((rc = doit(CHELSIO_T4_GET_I2C, &i2cd)) != 0)
2655 		goto fail;
2656 
2657 	if (i2cd.data[0] > SFF_8472_ID_LAST)
2658 		printf("Unknown ID\n");
2659 	else
2660 		printf("ID: %s\n", sff_8472_id[i2cd.data[0]]);
2661 
2662 	bzero(&string, sizeof(string));
2663 	for (i = SFF_8472_VENDOR_START; i < SFF_8472_VENDOR_END; i++) {
2664 		i2cd.offset = i;
2665 		if ((rc = doit(CHELSIO_T4_GET_I2C, &i2cd)) != 0)
2666 			goto fail;
2667 		string[i - SFF_8472_VENDOR_START] = i2cd.data[0];
2668 	}
2669 	printf("Vendor %s\n", string);
2670 
2671 	bzero(&string, sizeof(string));
2672 	for (i = SFF_8472_SN_START; i < SFF_8472_SN_END; i++) {
2673 		i2cd.offset = i;
2674 		if ((rc = doit(CHELSIO_T4_GET_I2C, &i2cd)) != 0)
2675 			goto fail;
2676 		string[i - SFF_8472_SN_START] = i2cd.data[0];
2677 	}
2678 	printf("SN %s\n", string);
2679 
2680 	bzero(&string, sizeof(string));
2681 	for (i = SFF_8472_PN_START; i < SFF_8472_PN_END; i++) {
2682 		i2cd.offset = i;
2683 		if ((rc = doit(CHELSIO_T4_GET_I2C, &i2cd)) != 0)
2684 			goto fail;
2685 		string[i - SFF_8472_PN_START] = i2cd.data[0];
2686 	}
2687 	printf("PN %s\n", string);
2688 
2689 	bzero(&string, sizeof(string));
2690 	for (i = SFF_8472_REV_START; i < SFF_8472_REV_END; i++) {
2691 		i2cd.offset = i;
2692 		if ((rc = doit(CHELSIO_T4_GET_I2C, &i2cd)) != 0)
2693 			goto fail;
2694 		string[i - SFF_8472_REV_START] = i2cd.data[0];
2695 	}
2696 	printf("Rev %s\n", string);
2697 
2698 	i2cd.offset = SFF_8472_DIAG_TYPE;
2699 	if ((rc = doit(CHELSIO_T4_GET_I2C, &i2cd)) != 0)
2700 		goto fail;
2701 
2702 	if ((char )i2cd.data[0] & (SFF_8472_DIAG_IMPL |
2703 				   SFF_8472_DIAG_INTERNAL)) {
2704 
2705 		/* Switch to reading from the Diagnostic address. */
2706 		i2cd.dev_addr = SFF_8472_DIAG;
2707 		i2cd.len = 1;
2708 
2709 		i2cd.offset = SFF_8472_TEMP;
2710 		if ((rc = doit(CHELSIO_T4_GET_I2C, &i2cd)) != 0)
2711 			goto fail;
2712 		temp = i2cd.data[0] << 8;
2713 		printf("Temp: ");
2714 		if ((temp & SFF_8472_TEMP_SIGN) == SFF_8472_TEMP_SIGN)
2715 			printf("-");
2716 		else
2717 			printf("+");
2718 		printf("%dC\n", (temp & SFF_8472_TEMP_MSK) >>
2719 		    SFF_8472_TEMP_SHIFT);
2720 
2721 		i2cd.offset = SFF_8472_VCC;
2722 		if ((rc = doit(CHELSIO_T4_GET_I2C, &i2cd)) != 0)
2723 			goto fail;
2724 		vcc = i2cd.data[0] << 8;
2725 		printf("Vcc %fV\n", vcc / SFF_8472_VCC_FACTOR);
2726 
2727 		i2cd.offset = SFF_8472_TX_BIAS;
2728 		if ((rc = doit(CHELSIO_T4_GET_I2C, &i2cd)) != 0)
2729 			goto fail;
2730 		tx_bias = i2cd.data[0] << 8;
2731 		printf("TX Bias %fuA\n", tx_bias / SFF_8472_BIAS_FACTOR);
2732 
2733 		i2cd.offset = SFF_8472_TX_POWER;
2734 		if ((rc = doit(CHELSIO_T4_GET_I2C, &i2cd)) != 0)
2735 			goto fail;
2736 		tx_power = i2cd.data[0] << 8;
2737 		printf("TX Power %fmW\n", tx_power / SFF_8472_POWER_FACTOR);
2738 
2739 		i2cd.offset = SFF_8472_RX_POWER;
2740 		if ((rc = doit(CHELSIO_T4_GET_I2C, &i2cd)) != 0)
2741 			goto fail;
2742 		rx_power = i2cd.data[0] << 8;
2743 		printf("RX Power %fmW\n", rx_power / SFF_8472_POWER_FACTOR);
2744 
2745 	} else
2746 		printf("Diagnostics not supported.\n");
2747 
2748 	return(0);
2749 
2750 fail:
2751 	if (rc == EPERM)
2752 		warnx("No module/cable in port %ld", port);
2753 	return (rc);
2754 
2755 }
2756 
2757 /* XXX: pass in a low/high and do range checks as well */
2758 static int
2759 get_sched_param(const char *param, const char *args[], long *val)
2760 {
2761 	char *p;
2762 
2763 	if (strcmp(param, args[0]) != 0)
2764 		return (EINVAL);
2765 
2766 	p = str_to_number(args[1], val, NULL);
2767 	if (*p) {
2768 		warnx("parameter \"%s\" has bad value \"%s\"", args[0],
2769 		    args[1]);
2770 		return (EINVAL);
2771 	}
2772 
2773 	return (0);
2774 }
2775 
2776 static int
2777 sched_class(int argc, const char *argv[])
2778 {
2779 	struct t4_sched_params op;
2780 	int errs, i;
2781 
2782 	memset(&op, 0xff, sizeof(op));
2783 	op.subcmd = -1;
2784 	op.type = -1;
2785 	if (argc == 0) {
2786 		warnx("missing scheduling sub-command");
2787 		return (EINVAL);
2788 	}
2789 	if (!strcmp(argv[0], "config")) {
2790 		op.subcmd = SCHED_CLASS_SUBCMD_CONFIG;
2791 		op.u.config.minmax = -1;
2792 	} else if (!strcmp(argv[0], "params")) {
2793 		op.subcmd = SCHED_CLASS_SUBCMD_PARAMS;
2794 		op.u.params.level = op.u.params.mode = op.u.params.rateunit =
2795 		    op.u.params.ratemode = op.u.params.channel =
2796 		    op.u.params.cl = op.u.params.minrate = op.u.params.maxrate =
2797 		    op.u.params.weight = op.u.params.pktsize = -1;
2798 	} else {
2799 		warnx("invalid scheduling sub-command \"%s\"", argv[0]);
2800 		return (EINVAL);
2801 	}
2802 
2803 	/* Decode remaining arguments ... */
2804 	errs = 0;
2805 	for (i = 1; i < argc; i += 2) {
2806 		const char **args = &argv[i];
2807 		long l;
2808 
2809 		if (i + 1 == argc) {
2810 			warnx("missing argument for \"%s\"", args[0]);
2811 			errs++;
2812 			break;
2813 		}
2814 
2815 		if (!strcmp(args[0], "type")) {
2816 			if (!strcmp(args[1], "packet"))
2817 				op.type = SCHED_CLASS_TYPE_PACKET;
2818 			else {
2819 				warnx("invalid type parameter \"%s\"", args[1]);
2820 				errs++;
2821 			}
2822 
2823 			continue;
2824 		}
2825 
2826 		if (op.subcmd == SCHED_CLASS_SUBCMD_CONFIG) {
2827 			if(!get_sched_param("minmax", args, &l))
2828 				op.u.config.minmax = (int8_t)l;
2829 			else {
2830 				warnx("unknown scheduler config parameter "
2831 				    "\"%s\"", args[0]);
2832 				errs++;
2833 			}
2834 
2835 			continue;
2836 		}
2837 
2838 		/* Rest applies only to SUBCMD_PARAMS */
2839 		if (op.subcmd != SCHED_CLASS_SUBCMD_PARAMS)
2840 			continue;
2841 
2842 		if (!strcmp(args[0], "level")) {
2843 			if (!strcmp(args[1], "cl-rl"))
2844 				op.u.params.level = SCHED_CLASS_LEVEL_CL_RL;
2845 			else if (!strcmp(args[1], "cl-wrr"))
2846 				op.u.params.level = SCHED_CLASS_LEVEL_CL_WRR;
2847 			else if (!strcmp(args[1], "ch-rl"))
2848 				op.u.params.level = SCHED_CLASS_LEVEL_CH_RL;
2849 			else {
2850 				warnx("invalid level parameter \"%s\"",
2851 				    args[1]);
2852 				errs++;
2853 			}
2854 		} else if (!strcmp(args[0], "mode")) {
2855 			if (!strcmp(args[1], "class"))
2856 				op.u.params.mode = SCHED_CLASS_MODE_CLASS;
2857 			else if (!strcmp(args[1], "flow"))
2858 				op.u.params.mode = SCHED_CLASS_MODE_FLOW;
2859 			else {
2860 				warnx("invalid mode parameter \"%s\"", args[1]);
2861 				errs++;
2862 			}
2863 		} else if (!strcmp(args[0], "rate-unit")) {
2864 			if (!strcmp(args[1], "bits"))
2865 				op.u.params.rateunit = SCHED_CLASS_RATEUNIT_BITS;
2866 			else if (!strcmp(args[1], "pkts"))
2867 				op.u.params.rateunit = SCHED_CLASS_RATEUNIT_PKTS;
2868 			else {
2869 				warnx("invalid rate-unit parameter \"%s\"",
2870 				    args[1]);
2871 				errs++;
2872 			}
2873 		} else if (!strcmp(args[0], "rate-mode")) {
2874 			if (!strcmp(args[1], "relative"))
2875 				op.u.params.ratemode = SCHED_CLASS_RATEMODE_REL;
2876 			else if (!strcmp(args[1], "absolute"))
2877 				op.u.params.ratemode = SCHED_CLASS_RATEMODE_ABS;
2878 			else {
2879 				warnx("invalid rate-mode parameter \"%s\"",
2880 				    args[1]);
2881 				errs++;
2882 			}
2883 		} else if (!get_sched_param("channel", args, &l))
2884 			op.u.params.channel = (int8_t)l;
2885 		else if (!get_sched_param("class", args, &l))
2886 			op.u.params.cl = (int8_t)l;
2887 		else if (!get_sched_param("min-rate", args, &l))
2888 			op.u.params.minrate = (int32_t)l;
2889 		else if (!get_sched_param("max-rate", args, &l))
2890 			op.u.params.maxrate = (int32_t)l;
2891 		else if (!get_sched_param("weight", args, &l))
2892 			op.u.params.weight = (int16_t)l;
2893 		else if (!get_sched_param("pkt-size", args, &l))
2894 			op.u.params.pktsize = (int16_t)l;
2895 		else {
2896 			warnx("unknown scheduler parameter \"%s\"", args[0]);
2897 			errs++;
2898 		}
2899 	}
2900 
2901 	/*
2902 	 * Catch some logical fallacies in terms of argument combinations here
2903 	 * so we can offer more than just the EINVAL return from the driver.
2904 	 * The driver will be able to catch a lot more issues since it knows
2905 	 * the specifics of the device hardware capabilities like how many
2906 	 * channels, classes, etc. the device supports.
2907 	 */
2908 	if (op.type < 0) {
2909 		warnx("sched \"type\" parameter missing");
2910 		errs++;
2911 	}
2912 	if (op.subcmd == SCHED_CLASS_SUBCMD_CONFIG) {
2913 		if (op.u.config.minmax < 0) {
2914 			warnx("sched config \"minmax\" parameter missing");
2915 			errs++;
2916 		}
2917 	}
2918 	if (op.subcmd == SCHED_CLASS_SUBCMD_PARAMS) {
2919 		if (op.u.params.level < 0) {
2920 			warnx("sched params \"level\" parameter missing");
2921 			errs++;
2922 		}
2923 		if (op.u.params.mode < 0 &&
2924 		    op.u.params.level == SCHED_CLASS_LEVEL_CL_RL) {
2925 			warnx("sched params \"mode\" parameter missing");
2926 			errs++;
2927 		}
2928 		if (op.u.params.rateunit < 0 &&
2929 		    (op.u.params.level == SCHED_CLASS_LEVEL_CL_RL ||
2930 		    op.u.params.level == SCHED_CLASS_LEVEL_CH_RL)) {
2931 			warnx("sched params \"rate-unit\" parameter missing");
2932 			errs++;
2933 		}
2934 		if (op.u.params.ratemode < 0 &&
2935 		    (op.u.params.level == SCHED_CLASS_LEVEL_CL_RL ||
2936 		    op.u.params.level == SCHED_CLASS_LEVEL_CH_RL)) {
2937 			warnx("sched params \"rate-mode\" parameter missing");
2938 			errs++;
2939 		}
2940 		if (op.u.params.channel < 0) {
2941 			warnx("sched params \"channel\" missing");
2942 			errs++;
2943 		}
2944 		if (op.u.params.cl < 0 &&
2945 		    (op.u.params.level == SCHED_CLASS_LEVEL_CL_RL ||
2946 		    op.u.params.level == SCHED_CLASS_LEVEL_CL_WRR)) {
2947 			warnx("sched params \"class\" missing");
2948 			errs++;
2949 		}
2950 		if (op.u.params.maxrate < 0 &&
2951 		    (op.u.params.level == SCHED_CLASS_LEVEL_CL_RL ||
2952 		    op.u.params.level == SCHED_CLASS_LEVEL_CH_RL)) {
2953 			warnx("sched params \"max-rate\" missing for "
2954 			    "rate-limit level");
2955 			errs++;
2956 		}
2957 		if (op.u.params.level == SCHED_CLASS_LEVEL_CL_WRR &&
2958 		    (op.u.params.weight < 1 || op.u.params.weight > 99)) {
2959 			warnx("sched params \"weight\" missing or invalid "
2960 			    "(not 1-99) for weighted-round-robin level");
2961 			errs++;
2962 		}
2963 		if (op.u.params.pktsize < 0 &&
2964 		    op.u.params.level == SCHED_CLASS_LEVEL_CL_RL) {
2965 			warnx("sched params \"pkt-size\" missing for "
2966 			    "rate-limit level");
2967 			errs++;
2968 		}
2969 		if (op.u.params.mode == SCHED_CLASS_MODE_FLOW &&
2970 		    op.u.params.ratemode != SCHED_CLASS_RATEMODE_ABS) {
2971 			warnx("sched params mode flow needs rate-mode absolute");
2972 			errs++;
2973 		}
2974 		if (op.u.params.ratemode == SCHED_CLASS_RATEMODE_REL &&
2975 		    !in_range(op.u.params.maxrate, 1, 100)) {
2976                         warnx("sched params \"max-rate\" takes "
2977 			    "percentage value(1-100) for rate-mode relative");
2978                         errs++;
2979                 }
2980                 if (op.u.params.ratemode == SCHED_CLASS_RATEMODE_ABS &&
2981 		    !in_range(op.u.params.maxrate, 1, 100000000)) {
2982                         warnx("sched params \"max-rate\" takes "
2983 			    "value(1-100000000) for rate-mode absolute");
2984                         errs++;
2985                 }
2986                 if (op.u.params.maxrate > 0 &&
2987 		    op.u.params.maxrate < op.u.params.minrate) {
2988                         warnx("sched params \"max-rate\" is less than "
2989 			    "\"min-rate\"");
2990                         errs++;
2991                 }
2992 	}
2993 
2994 	if (errs > 0) {
2995 		warnx("%d error%s in sched-class command", errs,
2996 		    errs == 1 ? "" : "s");
2997 		return (EINVAL);
2998 	}
2999 
3000 	return doit(CHELSIO_T4_SCHED_CLASS, &op);
3001 }
3002 
3003 static int
3004 sched_queue(int argc, const char *argv[])
3005 {
3006 	struct t4_sched_queue op = {0};
3007 	char *p;
3008 	long val;
3009 
3010 	if (argc != 3) {
3011 		/* need "<port> <queue> <class> */
3012 		warnx("incorrect number of arguments.");
3013 		return (EINVAL);
3014 	}
3015 
3016 	p = str_to_number(argv[0], &val, NULL);
3017 	if (*p || val > UCHAR_MAX) {
3018 		warnx("invalid port id \"%s\"", argv[0]);
3019 		return (EINVAL);
3020 	}
3021 	op.port = (uint8_t)val;
3022 
3023 	if (!strcmp(argv[1], "all") || !strcmp(argv[1], "*"))
3024 		op.queue = -1;
3025 	else {
3026 		p = str_to_number(argv[1], &val, NULL);
3027 		if (*p || val < -1) {
3028 			warnx("invalid queue \"%s\"", argv[1]);
3029 			return (EINVAL);
3030 		}
3031 		op.queue = (int8_t)val;
3032 	}
3033 
3034 	if (!strcmp(argv[2], "unbind") || !strcmp(argv[2], "clear"))
3035 		op.cl = -1;
3036 	else {
3037 		p = str_to_number(argv[2], &val, NULL);
3038 		if (*p || val < -1) {
3039 			warnx("invalid class \"%s\"", argv[2]);
3040 			return (EINVAL);
3041 		}
3042 		op.cl = (int8_t)val;
3043 	}
3044 
3045 	return doit(CHELSIO_T4_SCHED_QUEUE, &op);
3046 }
3047 
3048 static int
3049 parse_offload_settings_word(const char *s, char **pnext, const char *ws,
3050     int *pneg, struct offload_settings *os)
3051 {
3052 
3053 	while (*s == '!') {
3054 		(*pneg)++;
3055 		s++;
3056 	}
3057 
3058 	if (!strcmp(s, "not")) {
3059 		(*pneg)++;
3060 		return (0);
3061 	}
3062 
3063 	if (!strcmp(s, "offload")) {
3064 		os->offload = (*pneg + 1) & 1;
3065 		*pneg = 0;
3066 	} else if (!strcmp(s , "coalesce")) {
3067 		os->rx_coalesce = (*pneg + 1) & 1;
3068 		*pneg = 0;
3069 	} else if (!strcmp(s, "timestamp") || !strcmp(s, "tstamp")) {
3070 		os->tstamp = (*pneg + 1) & 1;
3071 		*pneg = 0;
3072 	} else if (!strcmp(s, "sack")) {
3073 		os->sack = (*pneg + 1) & 1;
3074 		*pneg = 0;
3075 	} else if (!strcmp(s, "nagle")) {
3076 		os->nagle = (*pneg + 1) & 1;
3077 		*pneg = 0;
3078 	} else if (!strcmp(s, "ecn")) {
3079 		os->ecn = (*pneg + 1) & 1;
3080 		*pneg = 0;
3081 	} else if (!strcmp(s, "ddp")) {
3082 		os->ddp = (*pneg + 1) & 1;
3083 		*pneg = 0;
3084 	} else if (!strcmp(s, "tls")) {
3085 		os->tls = (*pneg + 1) & 1;
3086 		*pneg = 0;
3087 	} else {
3088 		char *param, *p;
3089 		long val;
3090 
3091 		/* Settings with additional parameter handled here. */
3092 
3093 		if (*pneg) {
3094 			warnx("\"%s\" is not a valid keyword, or it does not "
3095 			    "support negation.", s);
3096 			return (EINVAL);
3097 		}
3098 
3099 		while ((param = strsep(pnext, ws)) != NULL) {
3100 			if (*param != '\0')
3101 				break;
3102 		}
3103 		if (param == NULL) {
3104 			warnx("\"%s\" is not a valid keyword, or it requires a "
3105 			    "parameter that has not been provided.", s);
3106 			return (EINVAL);
3107 		}
3108 
3109 		if (!strcmp(s, "cong")) {
3110 			if (!strcmp(param, "reno"))
3111 				os->cong_algo = 0;
3112 			else if (!strcmp(param, "tahoe"))
3113 				os->cong_algo = 1;
3114 			else if (!strcmp(param, "newreno"))
3115 				os->cong_algo = 2;
3116 			else if (!strcmp(param, "highspeed"))
3117 				os->cong_algo = 3;
3118 			else {
3119 				warnx("unknown congestion algorithm \"%s\".", s);
3120 				return (EINVAL);
3121 			}
3122 		} else if (!strcmp(s, "class")) {
3123 			val = -1;
3124 			p = str_to_number(param, &val, NULL);
3125 			/* (nsched_cls - 1) is spelled 15 here. */
3126 			if (*p || val < 0 || val > 15) {
3127 				warnx("invalid scheduling class \"%s\".  "
3128 				    "\"class\" needs an integer value where "
3129 				    "0 <= value <= 15", param);
3130 				return (EINVAL);
3131 			}
3132 			os->sched_class = val;
3133 		} else if (!strcmp(s, "bind") || !strcmp(s, "txq") ||
3134 		    !strcmp(s, "rxq")) {
3135 			val = -1;
3136 			if (strcmp(param, "random")) {
3137 				p = str_to_number(param, &val, NULL);
3138 				if (*p || val < 0 || val > 0xffff) {
3139 					warnx("invalid queue specification "
3140 					    "\"%s\".  \"%s\" needs an integer"
3141 					    " value, or \"random\".",
3142 					    param, s);
3143 					return (EINVAL);
3144 				}
3145 			}
3146 			if (!strcmp(s, "bind")) {
3147 				os->txq = val;
3148 				os->rxq = val;
3149 			} else if (!strcmp(s, "txq")) {
3150 				os->txq = val;
3151 			} else if (!strcmp(s, "rxq")) {
3152 				os->rxq = val;
3153 			} else {
3154 				return (EDOOFUS);
3155 			}
3156 		} else if (!strcmp(s, "mss")) {
3157 			val = -1;
3158 			p = str_to_number(param, &val, NULL);
3159 			if (*p || val <= 0) {
3160 				warnx("invalid MSS specification \"%s\".  "
3161 				    "\"mss\" needs a positive integer value",
3162 				    param);
3163 				return (EINVAL);
3164 			}
3165 			os->mss = val;
3166 		} else  {
3167 			warnx("unknown settings keyword: \"%s\"", s);
3168 			return (EINVAL);
3169 		}
3170 	}
3171 
3172 	return (0);
3173 }
3174 
3175 static int
3176 parse_offload_settings(const char *settings_ro, struct offload_settings *os)
3177 {
3178 	const char *ws = " \f\n\r\v\t";
3179 	char *settings, *s, *next;
3180 	int rc, nsettings, neg;
3181 	static const struct offload_settings default_settings = {
3182 		.offload = 0,	/* No settings imply !offload */
3183 		.rx_coalesce = -1,
3184 		.cong_algo = -1,
3185 		.sched_class = -1,
3186 		.tstamp = -1,
3187 		.sack = -1,
3188 		.nagle = -1,
3189 		.ecn = -1,
3190 		.ddp = -1,
3191 		.tls = -1,
3192 		.txq = -1,
3193 		.rxq = -1,
3194 		.mss = -1,
3195 	};
3196 
3197 	*os = default_settings;
3198 
3199 	next = settings = strdup(settings_ro);
3200 	if (settings == NULL) {
3201 		warn (NULL);
3202 		return (errno);
3203 	}
3204 
3205 	nsettings = 0;
3206 	rc = 0;
3207 	neg = 0;
3208 	while ((s = strsep(&next, ws)) != NULL) {
3209 		if (*s == '\0')
3210 			continue;
3211 		nsettings++;
3212 		rc = parse_offload_settings_word(s, &next, ws, &neg, os);
3213 		if (rc != 0)
3214 			goto done;
3215 	}
3216 	if (nsettings == 0) {
3217 		warnx("no settings provided");
3218 		rc = EINVAL;
3219 		goto done;
3220 	}
3221 	if (neg > 0) {
3222 		warnx("%d stray negation(s) at end of offload settings", neg);
3223 		rc = EINVAL;
3224 		goto done;
3225 	}
3226 done:
3227 	free(settings);
3228 	return (rc);
3229 }
3230 
3231 static int
3232 isempty_line(char *line, size_t llen)
3233 {
3234 
3235 	/* skip leading whitespace */
3236 	while (isspace(*line)) {
3237 		line++;
3238 		llen--;
3239 	}
3240 	if (llen == 0 || *line == '#' || *line == '\n')
3241 		return (1);
3242 
3243 	return (0);
3244 }
3245 
3246 static int
3247 special_offload_rule(char *str)
3248 {
3249 
3250 	/* skip leading whitespaces */
3251 	while (isspace(*str))
3252 		str++;
3253 
3254 	/* check for special strings: "-", "all", "any" */
3255 	if (*str == '-') {
3256 		str++;
3257 	} else if (!strncmp(str, "all", 3) || !strncmp(str, "any", 3)) {
3258 		str += 3;
3259 	} else {
3260 		return (0);
3261 	}
3262 
3263 	/* skip trailing whitespaces */
3264 	while (isspace(*str))
3265 		str++;
3266 
3267 	return (*str == '\0');
3268 }
3269 
3270 /*
3271  * A rule has 3 parts: an open-type, a match expression, and offload settings.
3272  *
3273  * [<open-type>] <expr> => <settings>
3274  */
3275 static int
3276 parse_offload_policy_line(size_t lno, char *line, size_t llen, pcap_t *pd,
3277     struct offload_rule *r)
3278 {
3279 	char *expr, *settings, *s;
3280 
3281 	bzero(r, sizeof(*r));
3282 
3283 	/* Skip leading whitespace. */
3284 	while (isspace(*line))
3285 		line++;
3286 	/* Trim trailing whitespace */
3287 	s = &line[llen - 1];
3288 	while (isspace(*s)) {
3289 		*s-- = '\0';
3290 		llen--;
3291 	}
3292 
3293 	/*
3294 	 * First part of the rule: '[X]' where X = A/D/L/P
3295 	 */
3296 	if (*line++ != '[') {
3297 		warnx("missing \"[\" on line %zd", lno);
3298 		return (EINVAL);
3299 	}
3300 	switch (*line) {
3301 	case 'A':
3302 	case 'D':
3303 	case 'L':
3304 	case 'P':
3305 		r->open_type = *line;
3306 		break;
3307 	default:
3308 		warnx("invalid socket-type \"%c\" on line %zd.", *line, lno);
3309 		return (EINVAL);
3310 	}
3311 	line++;
3312 	if (*line++ != ']') {
3313 		warnx("missing \"]\" after \"[%c\" on line %zd",
3314 		    r->open_type, lno);
3315 		return (EINVAL);
3316 	}
3317 
3318 	/* Skip whitespace. */
3319 	while (isspace(*line))
3320 		line++;
3321 
3322 	/*
3323 	 * Rest of the rule: <expr> => <settings>
3324 	 */
3325 	expr = line;
3326 	s = strstr(line, "=>");
3327 	if (s == NULL)
3328 		return (EINVAL);
3329 	settings = s + 2;
3330 	while (isspace(*settings))
3331 		settings++;
3332 	*s = '\0';
3333 
3334 	/*
3335 	 * <expr> is either a special name (all, any) or a pcap-filter(7).
3336 	 * In case of a special name the bpf_prog stays all-zero.
3337 	 */
3338 	if (!special_offload_rule(expr)) {
3339 		if (pcap_compile(pd, &r->bpf_prog, expr, 1,
3340 		    PCAP_NETMASK_UNKNOWN) < 0) {
3341 			warnx("failed to compile \"%s\" on line %zd: %s", expr,
3342 			    lno, pcap_geterr(pd));
3343 			return (EINVAL);
3344 		}
3345 	}
3346 
3347 	/* settings to apply on a match. */
3348 	if (parse_offload_settings(settings, &r->settings) != 0) {
3349 		warnx("failed to parse offload settings \"%s\" on line %zd",
3350 		    settings, lno);
3351 		pcap_freecode(&r->bpf_prog);
3352 		return (EINVAL);
3353 	}
3354 
3355 	return (0);
3356 
3357 }
3358 
3359 /*
3360  * Note that op itself is not dynamically allocated.
3361  */
3362 static void
3363 free_offload_policy(struct t4_offload_policy *op)
3364 {
3365 	int i;
3366 
3367 	for (i = 0; i < op->nrules; i++) {
3368 		/*
3369 		 * pcap_freecode can cope with empty bpf_prog, which is the case
3370 		 * for an rule that matches on 'any/all/-'.
3371 		 */
3372 		pcap_freecode(&op->rule[i].bpf_prog);
3373 	}
3374 	free(op->rule);
3375 	op->nrules = 0;
3376 	op->rule = NULL;
3377 }
3378 
3379 #define REALLOC_STRIDE 32
3380 
3381 /*
3382  * Fills up op->nrules and op->rule.
3383  */
3384 static int
3385 parse_offload_policy(const char *fname, struct t4_offload_policy *op)
3386 {
3387 	FILE *fp;
3388 	char *line;
3389 	int lno, maxrules, rc;
3390 	size_t lcap, llen;
3391 	struct offload_rule *r;
3392 	pcap_t *pd;
3393 
3394 	fp = fopen(fname, "r");
3395 	if (fp == NULL) {
3396 		warn("Unable to open file \"%s\"", fname);
3397 		return (errno);
3398 	}
3399 	pd = pcap_open_dead(DLT_EN10MB, 128);
3400 	if (pd == NULL) {
3401 		warnx("Failed to open pcap device");
3402 		fclose(fp);
3403 		return (EIO);
3404 	}
3405 
3406 	rc = 0;
3407 	lno = 0;
3408 	lcap = 0;
3409 	maxrules = 0;
3410 	op->nrules = 0;
3411 	op->rule = NULL;
3412 	line = NULL;
3413 
3414 	while ((llen = getline(&line, &lcap, fp)) != -1) {
3415 		lno++;
3416 
3417 		/* Skip empty lines. */
3418 		if (isempty_line(line, llen))
3419 			continue;
3420 
3421 		if (op->nrules == maxrules) {
3422 			maxrules += REALLOC_STRIDE;
3423 			r = realloc(op->rule,
3424 			    maxrules * sizeof(struct offload_rule));
3425 			if (r == NULL) {
3426 				warnx("failed to allocate memory for %d rules",
3427 				    maxrules);
3428 				rc = ENOMEM;
3429 				goto done;
3430 			}
3431 			op->rule = r;
3432 		}
3433 
3434 		r = &op->rule[op->nrules];
3435 		rc = parse_offload_policy_line(lno, line, llen, pd, r);
3436 		if (rc != 0) {
3437 			warnx("Error parsing line %d of \"%s\"", lno, fname);
3438 			goto done;
3439 		}
3440 
3441 		op->nrules++;
3442 	}
3443 	free(line);
3444 
3445 	if (!feof(fp)) {
3446 		warn("Error while reading from file \"%s\" at line %d",
3447 		    fname, lno);
3448 		rc = errno;
3449 		goto done;
3450 	}
3451 
3452 	if (op->nrules == 0) {
3453 		warnx("No valid rules found in \"%s\"", fname);
3454 		rc = EINVAL;
3455 	}
3456 done:
3457 	pcap_close(pd);
3458 	fclose(fp);
3459 	if (rc != 0) {
3460 		free_offload_policy(op);
3461 	}
3462 
3463 	return (rc);
3464 }
3465 
3466 static int
3467 load_offload_policy(int argc, const char *argv[])
3468 {
3469 	int rc = 0;
3470 	const char *fname = argv[0];
3471 	struct t4_offload_policy op = {0};
3472 
3473 	if (argc != 1) {
3474 		warnx("incorrect number of arguments.");
3475 		return (EINVAL);
3476 	}
3477 
3478 	if (!strcmp(fname, "clear") || !strcmp(fname, "none")) {
3479 		/* op.nrules is 0 and that means clear policy */
3480 		return (doit(CHELSIO_T4_SET_OFLD_POLICY, &op));
3481 	}
3482 
3483 	rc = parse_offload_policy(fname, &op);
3484 	if (rc != 0) {
3485 		/* Error message displayed already */
3486 		return (EINVAL);
3487 	}
3488 
3489 	rc = doit(CHELSIO_T4_SET_OFLD_POLICY, &op);
3490 	free_offload_policy(&op);
3491 
3492 	return (rc);
3493 }
3494 
3495 static int
3496 run_cmd(int argc, const char *argv[])
3497 {
3498 	int rc = -1;
3499 	const char *cmd = argv[0];
3500 
3501 	/* command */
3502 	argc--;
3503 	argv++;
3504 
3505 	if (!strcmp(cmd, "reg") || !strcmp(cmd, "reg32"))
3506 		rc = register_io(argc, argv, 4);
3507 	else if (!strcmp(cmd, "reg64"))
3508 		rc = register_io(argc, argv, 8);
3509 	else if (!strcmp(cmd, "regdump"))
3510 		rc = dump_regs(argc, argv);
3511 	else if (!strcmp(cmd, "filter"))
3512 		rc = filter_cmd(argc, argv, 0);
3513 	else if (!strcmp(cmd, "context"))
3514 		rc = get_sge_context(argc, argv);
3515 	else if (!strcmp(cmd, "loadfw"))
3516 		rc = loadfw(argc, argv);
3517 	else if (!strcmp(cmd, "memdump"))
3518 		rc = memdump(argc, argv);
3519 	else if (!strcmp(cmd, "tcb"))
3520 		rc = read_tcb(argc, argv);
3521 	else if (!strcmp(cmd, "i2c"))
3522 		rc = read_i2c(argc, argv);
3523 	else if (!strcmp(cmd, "clearstats"))
3524 		rc = clearstats(argc, argv);
3525 	else if (!strcmp(cmd, "tracer"))
3526 		rc = tracer_cmd(argc, argv);
3527 	else if (!strcmp(cmd, "modinfo"))
3528 		rc = modinfo(argc, argv);
3529 	else if (!strcmp(cmd, "sched-class"))
3530 		rc = sched_class(argc, argv);
3531 	else if (!strcmp(cmd, "sched-queue"))
3532 		rc = sched_queue(argc, argv);
3533 	else if (!strcmp(cmd, "loadcfg"))
3534 		rc = loadcfg(argc, argv);
3535 	else if (!strcmp(cmd, "loadboot"))
3536 		rc = loadboot(argc, argv);
3537 	else if (!strcmp(cmd, "loadboot-cfg"))
3538 		rc = loadbootcfg(argc, argv);
3539 	else if (!strcmp(cmd, "dumpstate"))
3540 		rc = dumpstate(argc, argv);
3541 	else if (!strcmp(cmd, "policy"))
3542 		rc = load_offload_policy(argc, argv);
3543 	else if (!strcmp(cmd, "hashfilter"))
3544 		rc = filter_cmd(argc, argv, 1);
3545 	else {
3546 		rc = EINVAL;
3547 		warnx("invalid command \"%s\"", cmd);
3548 	}
3549 
3550 	return (rc);
3551 }
3552 
3553 #define MAX_ARGS 15
3554 static int
3555 run_cmd_loop(void)
3556 {
3557 	int i, rc = 0;
3558 	char buffer[128], *buf;
3559 	const char *args[MAX_ARGS + 1];
3560 
3561 	/*
3562 	 * Simple loop: displays a "> " prompt and processes any input as a
3563 	 * cxgbetool command.  You're supposed to enter only the part after
3564 	 * "cxgbetool t4nexX".  Use "quit" or "exit" to exit.
3565 	 */
3566 	for (;;) {
3567 		fprintf(stdout, "> ");
3568 		fflush(stdout);
3569 		buf = fgets(buffer, sizeof(buffer), stdin);
3570 		if (buf == NULL) {
3571 			if (ferror(stdin)) {
3572 				warn("stdin error");
3573 				rc = errno;	/* errno from fgets */
3574 			}
3575 			break;
3576 		}
3577 
3578 		i = 0;
3579 		while ((args[i] = strsep(&buf, " \t\n")) != NULL) {
3580 			if (args[i][0] != 0 && ++i == MAX_ARGS)
3581 				break;
3582 		}
3583 		args[i] = 0;
3584 
3585 		if (i == 0)
3586 			continue;	/* skip empty line */
3587 
3588 		if (!strcmp(args[0], "quit") || !strcmp(args[0], "exit"))
3589 			break;
3590 
3591 		rc = run_cmd(i, args);
3592 	}
3593 
3594 	/* rc normally comes from the last command (not including quit/exit) */
3595 	return (rc);
3596 }
3597 
3598 int
3599 main(int argc, const char *argv[])
3600 {
3601 	int rc = -1;
3602 
3603 	progname = argv[0];
3604 
3605 	if (argc == 2) {
3606 		if (!strcmp(argv[1], "-h") || !strcmp(argv[1], "--help")) {
3607 			usage(stdout);
3608 			exit(0);
3609 		}
3610 	}
3611 
3612 	if (argc < 3) {
3613 		usage(stderr);
3614 		exit(EINVAL);
3615 	}
3616 
3617 	nexus = argv[1];
3618 	chip_id = nexus[1] - '0';
3619 
3620 	/* progname and nexus */
3621 	argc -= 2;
3622 	argv += 2;
3623 
3624 	if (argc == 1 && !strcmp(argv[0], "stdio"))
3625 		rc = run_cmd_loop();
3626 	else
3627 		rc = run_cmd(argc, argv);
3628 
3629 	return (rc);
3630 }
3631