kern_ndis.c revision 123858
1/* 2 * Copyright (c) 2003 3 * Bill Paul <wpaul@windriver.com>. All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 3. All advertising materials mentioning features or use of this software 14 * must display the following acknowledgement: 15 * This product includes software developed by Bill Paul. 16 * 4. Neither the name of the author nor the names of any co-contributors 17 * may be used to endorse or promote products derived from this software 18 * without specific prior written permission. 19 * 20 * THIS SOFTWARE IS PROVIDED BY Bill Paul AND CONTRIBUTORS ``AS IS'' AND 21 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 23 * ARE DISCLAIMED. IN NO EVENT SHALL Bill Paul OR THE VOICES IN HIS HEAD 24 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 25 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 26 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 27 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 28 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 29 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF 30 * THE POSSIBILITY OF SUCH DAMAGE. 31 */ 32 33#include <sys/cdefs.h> 34__FBSDID("$FreeBSD: head/sys/compat/ndis/kern_ndis.c 123858 2003-12-26 07:01:05Z wpaul $"); 35 36#include <sys/param.h> 37#include <sys/types.h> 38#include <sys/errno.h> 39#include <sys/callout.h> 40#include <sys/socket.h> 41#include <sys/queue.h> 42#include <sys/sysctl.h> 43#include <sys/systm.h> 44#include <sys/malloc.h> 45#include <sys/lock.h> 46#include <sys/mutex.h> 47#include <sys/conf.h> 48 49#include <sys/kernel.h> 50#include <machine/bus.h> 51#include <machine/resource.h> 52#include <sys/bus.h> 53#include <sys/rman.h> 54 55#include <net/if.h> 56#include <net/if_arp.h> 57#include <net/ethernet.h> 58#include <net/if_dl.h> 59#include <net/if_media.h> 60 61#include <net80211/ieee80211_var.h> 62#include <net80211/ieee80211_ioctl.h> 63 64#include <dev/pccard/pccardvar.h> 65#include "card_if.h" 66 67#include <compat/ndis/pe_var.h> 68#include <compat/ndis/resource_var.h> 69#include <compat/ndis/ndis_var.h> 70#include <compat/ndis/hal_var.h> 71#include <compat/ndis/ntoskrnl_var.h> 72#include <compat/ndis/cfg_var.h> 73#include <dev/if_ndis/if_ndisvar.h> 74 75#define __stdcall __attribute__((__stdcall__)) 76#define NDIS_DUMMY_PATH "\\\\some\\bogus\\path" 77 78__stdcall static void ndis_status_func(ndis_handle, ndis_status, 79 void *, uint32_t); 80__stdcall static void ndis_statusdone_func(ndis_handle); 81__stdcall static void ndis_setdone_func(ndis_handle, ndis_status); 82__stdcall static void ndis_getdone_func(ndis_handle, ndis_status); 83__stdcall static void ndis_resetdone_func(ndis_handle, ndis_status, uint8_t); 84 85/* 86 * This allows us to export our symbols to other modules. 87 * Note that we call ourselves 'ndisapi' to avoid a namespace 88 * collision with if_ndis.ko, which internally calls itself 89 * 'ndis.' 90 */ 91static int 92ndis_modevent(module_t mod, int cmd, void *arg) 93{ 94 return(0); 95} 96DEV_MODULE(ndisapi, ndis_modevent, NULL); 97MODULE_VERSION(ndisapi, 1); 98 99 100__stdcall static void 101ndis_status_func(adapter, status, sbuf, slen) 102 ndis_handle adapter; 103 ndis_status status; 104 void *sbuf; 105 uint32_t slen; 106{ 107 printf ("status: %x\n", status); 108 return; 109} 110 111__stdcall static void 112ndis_statusdone_func(adapter) 113 ndis_handle adapter; 114{ 115 printf ("status complete\n"); 116 return; 117} 118 119__stdcall static void 120ndis_setdone_func(adapter, status) 121 ndis_handle adapter; 122 ndis_status status; 123{ 124 ndis_miniport_block *block; 125 block = adapter; 126 127 block->nmb_setstat = status; 128 wakeup(&block->nmb_wkupdpctimer); 129 return; 130} 131 132__stdcall static void 133ndis_getdone_func(adapter, status) 134 ndis_handle adapter; 135 ndis_status status; 136{ 137 ndis_miniport_block *block; 138 block = adapter; 139 140 block->nmb_getstat = status; 141 wakeup(&block->nmb_wkupdpctimer); 142 return; 143} 144 145__stdcall static void 146ndis_resetdone_func(adapter, status, addressingreset) 147 ndis_handle adapter; 148 ndis_status status; 149 uint8_t addressingreset; 150{ 151 printf ("reset done...\n"); 152 return; 153} 154 155#define NDIS_AM_RID 3 156 157int 158ndis_alloc_amem(arg) 159 void *arg; 160{ 161 struct ndis_softc *sc; 162 int error, rid; 163 164 if (arg == NULL) 165 return(EINVAL); 166 167 sc = arg; 168 rid = NDIS_AM_RID; 169 sc->ndis_res_am = bus_alloc_resource(sc->ndis_dev, SYS_RES_MEMORY, 170 &rid, 0UL, ~0UL, 0x1000, RF_ACTIVE); 171 172 if (sc->ndis_res_am == NULL) { 173 printf("ndis%d: failed to allocate attribute memory\n", 174 sc->ndis_unit); 175 return(ENXIO); 176 } 177 178 error = CARD_SET_MEMORY_OFFSET(device_get_parent(sc->ndis_dev), 179 sc->ndis_dev, rid, 0, NULL); 180 181 if (error) { 182 printf("ndis%d: CARD_SET_MEMORY_OFFSET() returned 0x%x\n", 183 sc->ndis_unit, error); 184 return(error); 185 } 186 187 error = CARD_SET_RES_FLAGS(device_get_parent(sc->ndis_dev), 188 sc->ndis_dev, SYS_RES_MEMORY, rid, PCCARD_A_MEM_ATTR); 189 190 if (error) { 191 printf("ndis%d: CARD_SET_RES_FLAGS() returned 0x%x\n", 192 sc->ndis_unit, error); 193 return(error); 194 } 195 196 return(0); 197} 198 199int 200ndis_create_sysctls(arg) 201 void *arg; 202{ 203 struct ndis_softc *sc; 204 ndis_cfg *vals; 205 char buf[256]; 206 207 if (arg == NULL) 208 return(EINVAL); 209 210 sc = arg; 211 vals = sc->ndis_regvals; 212 213 TAILQ_INIT(&sc->ndis_cfglist_head); 214 215 /* Create the sysctl tree. */ 216 217 sc->ndis_tree = SYSCTL_ADD_NODE(&sc->ndis_ctx, 218 SYSCTL_STATIC_CHILDREN(_hw), OID_AUTO, 219 device_get_nameunit(sc->ndis_dev), CTLFLAG_RD, 0, 220 device_get_desc(sc->ndis_dev)); 221 222 /* Add the driver-specific registry keys. */ 223 224 vals = sc->ndis_regvals; 225 while(1) { 226 if (vals->nc_cfgkey == NULL) 227 break; 228 if (vals->nc_idx != sc->ndis_devidx) { 229 vals++; 230 continue; 231 } 232 SYSCTL_ADD_STRING(&sc->ndis_ctx, 233 SYSCTL_CHILDREN(sc->ndis_tree), 234 OID_AUTO, vals->nc_cfgkey, 235 CTLFLAG_RW, vals->nc_val, 236 sizeof(vals->nc_val), 237 vals->nc_cfgdesc); 238 vals++; 239 } 240 241 /* Now add a couple of builtin keys. */ 242 243 /* 244 * Environment can be either Windows (0) or WindowsNT (1). 245 * We qualify as the latter. 246 */ 247 ndis_add_sysctl(sc, "Environment", 248 "Windows environment", "1", CTLFLAG_RD); 249 250 /* NDIS version should be 5.1. */ 251 ndis_add_sysctl(sc, "NdisVersion", 252 "NDIS API Version", "0x00050001", CTLFLAG_RD); 253 254 /* Bus type (PCI, PCMCIA, etc...) */ 255 sprintf(buf, "%d\n", (int)sc->ndis_iftype); 256 ndis_add_sysctl(sc, "BusType", "Bus Type", buf, CTLFLAG_RD); 257 258 if (sc->ndis_res_io != NULL) { 259 sprintf(buf, "0x%lx\n", rman_get_start(sc->ndis_res_io)); 260 ndis_add_sysctl(sc, "IOBaseAddress", 261 "Base I/O Address", buf, CTLFLAG_RD); 262 } 263 264 if (sc->ndis_irq != NULL) { 265 sprintf(buf, "%lu\n", rman_get_start(sc->ndis_irq)); 266 ndis_add_sysctl(sc, "InterruptNumber", 267 "Interrupt Number", buf, CTLFLAG_RD); 268 } 269 270 return(0); 271} 272 273int 274ndis_add_sysctl(arg, key, desc, val, flag) 275 void *arg; 276 char *key; 277 char *desc; 278 char *val; 279 int flag; 280{ 281 struct ndis_softc *sc; 282 struct ndis_cfglist *cfg; 283 char descstr[256]; 284 285 sc = arg; 286 287 cfg = malloc(sizeof(struct ndis_cfglist), M_DEVBUF, M_NOWAIT|M_ZERO); 288 289 if (cfg == NULL) 290 return(ENOMEM); 291 292 cfg->ndis_cfg.nc_cfgkey = strdup(key, M_DEVBUF); 293 if (desc == NULL) { 294 snprintf(descstr, sizeof(descstr), "%s (dynamic)", key); 295 cfg->ndis_cfg.nc_cfgdesc = strdup(descstr, M_DEVBUF); 296 } else 297 cfg->ndis_cfg.nc_cfgdesc = strdup(desc, M_DEVBUF); 298 strcpy(cfg->ndis_cfg.nc_val, val); 299 300 TAILQ_INSERT_TAIL(&sc->ndis_cfglist_head, cfg, link); 301 302 SYSCTL_ADD_STRING(&sc->ndis_ctx, SYSCTL_CHILDREN(sc->ndis_tree), 303 OID_AUTO, cfg->ndis_cfg.nc_cfgkey, flag, 304 cfg->ndis_cfg.nc_val, sizeof(cfg->ndis_cfg.nc_val), 305 cfg->ndis_cfg.nc_cfgdesc); 306 307 return(0); 308} 309 310int 311ndis_flush_sysctls(arg) 312 void *arg; 313{ 314 struct ndis_softc *sc; 315 struct ndis_cfglist *cfg; 316 317 sc = arg; 318 319 while (!TAILQ_EMPTY(&sc->ndis_cfglist_head)) { 320 cfg = TAILQ_FIRST(&sc->ndis_cfglist_head); 321 TAILQ_REMOVE(&sc->ndis_cfglist_head, cfg, link); 322 free(cfg->ndis_cfg.nc_cfgkey, M_DEVBUF); 323 free(cfg->ndis_cfg.nc_cfgdesc, M_DEVBUF); 324 free(cfg, M_DEVBUF); 325 } 326 327 return(0); 328} 329 330void 331ndis_return_packet(buf, arg) 332 void *buf; /* not used */ 333 void *arg; 334{ 335 struct ndis_softc *sc; 336 ndis_handle adapter; 337 ndis_packet *p; 338 __stdcall ndis_return_handler returnfunc; 339 340 if (arg == NULL) 341 return; 342 343 p = arg; 344 345 /* Decrement refcount. */ 346 p->np_refcnt--; 347 348 /* Release packet when refcount hits zero, otherwise return. */ 349 if (p->np_refcnt) 350 return; 351 352 sc = p->np_softc; 353 returnfunc = sc->ndis_chars.nmc_return_packet_func; 354 adapter = sc->ndis_block.nmb_miniportadapterctx; 355 if (returnfunc != NULL) 356 returnfunc(adapter, p); 357 358 return; 359} 360 361void 362ndis_free_bufs(b0) 363 ndis_buffer *b0; 364{ 365 ndis_buffer *next; 366 367 if (b0 == NULL) 368 return; 369 370 while(b0 != NULL) { 371 next = b0->nb_next; 372 free (b0, M_DEVBUF); 373 b0 = next; 374 } 375 376 return; 377} 378 379void 380ndis_free_packet(p) 381 ndis_packet *p; 382{ 383 if (p == NULL) 384 return; 385 386 ndis_free_bufs(p->np_private.npp_head); 387 free(p, M_DEVBUF); 388 389 return; 390} 391 392int 393ndis_convert_res(arg) 394 void *arg; 395{ 396 struct ndis_softc *sc; 397 ndis_resource_list *rl = NULL; 398 cm_partial_resource_desc *prd = NULL; 399 ndis_miniport_block *block; 400 401 sc = arg; 402 block = &sc->ndis_block; 403 404 rl = malloc(sizeof(ndis_resource_list) + 405 (sizeof(cm_partial_resource_desc) * (sc->ndis_rescnt - 1)), 406 M_DEVBUF, M_NOWAIT|M_ZERO); 407 408 if (rl == NULL) 409 return(ENOMEM); 410 411 rl->cprl_version = 5; 412 rl->cprl_version = 1; 413 rl->cprl_count = sc->ndis_rescnt; 414 415 prd = rl->cprl_partial_descs; 416 if (sc->ndis_res_io) { 417 prd->cprd_type = CmResourceTypePort; 418 prd->u.cprd_port.cprd_start.np_quad = 419 rman_get_start(sc->ndis_res_io); 420 prd->u.cprd_port.cprd_len = 421 rman_get_size(sc->ndis_res_io); 422 prd++; 423 } 424 425 if (sc->ndis_res_mem) { 426 prd->cprd_type = CmResourceTypeMemory; 427 prd->u.cprd_mem.cprd_start.np_quad = 428 rman_get_start(sc->ndis_res_mem); 429 prd->u.cprd_mem.cprd_len = 430 rman_get_size(sc->ndis_res_mem); 431 prd++; 432 } 433 434 if (sc->ndis_irq) { 435 prd->cprd_type = CmResourceTypeInterrupt; 436 prd->u.cprd_intr.cprd_level = 437 rman_get_start(sc->ndis_irq); 438 prd->u.cprd_intr.cprd_vector = 439 rman_get_start(sc->ndis_irq); 440 prd->u.cprd_intr.cprd_affinity = 0; 441 } 442 443 block->nmb_rlist = rl; 444 445 return(0); 446} 447 448/* 449 * Map an NDIS packet to an mbuf list. When an NDIS driver receives a 450 * packet, it will hand it to us in the form of an ndis_packet, 451 * which we need to convert to an mbuf that is then handed off 452 * to the stack. Note: we configure the mbuf list so that it uses 453 * the memory regions specified by the ndis_buffer structures in 454 * the ndis_packet as external storage. In most cases, this will 455 * point to a memory region allocated by the driver (either by 456 * ndis_malloc_withtag() or ndis_alloc_sharedmem()). We expect 457 * the driver to handle free()ing this region for is, so we set up 458 * a dummy no-op free handler for it. 459 */ 460 461int 462ndis_ptom(m0, p) 463 struct mbuf **m0; 464 ndis_packet *p; 465{ 466 struct mbuf *m, *prev = NULL; 467 ndis_buffer *buf; 468 ndis_packet_private *priv; 469 uint32_t totlen = 0; 470 471 if (p == NULL || m0 == NULL) 472 return(EINVAL); 473 474 priv = &p->np_private; 475 buf = priv->npp_head; 476 p->np_refcnt = 0; 477 478 for (buf = priv->npp_head; buf != NULL; buf = buf->nb_next) { 479 if (buf == priv->npp_head) 480 MGETHDR(m, M_DONTWAIT, MT_HEADER); 481 else 482 MGET(m, M_DONTWAIT, MT_DATA); 483 if (m == NULL) { 484 m_freem(*m0); 485 *m0 = NULL; 486 return(ENOBUFS); 487 } 488 m->m_len = buf->nb_bytecount; 489 m->m_data = MDL_VA(buf); 490 MEXTADD(m, m->m_data, m->m_len, ndis_return_packet, 491 p, 0, EXT_NDIS); 492 p->np_refcnt++; 493 totlen += m->m_len; 494 if (m->m_flags & MT_HEADER) 495 *m0 = m; 496 else 497 prev->m_next = m; 498 prev = m; 499 } 500 501 (*m0)->m_pkthdr.len = totlen; 502 503 return(0); 504} 505 506/* 507 * Create an mbuf chain from an NDIS packet chain. 508 * This is used mainly when transmitting packets, where we need 509 * to turn an mbuf off an interface's send queue and transform it 510 * into an NDIS packet which will be fed into the NDIS driver's 511 * send routine. 512 * 513 * NDIS packets consist of two parts: an ndis_packet structure, 514 * which is vaguely analagous to the pkthdr portion of an mbuf, 515 * and one or more ndis_buffer structures, which define the 516 * actual memory segments in which the packet data resides. 517 * We need to allocate one ndis_buffer for each mbuf in a chain, 518 * plus one ndis_packet as the header. 519 */ 520 521int 522ndis_mtop(m0, p) 523 struct mbuf *m0; 524 ndis_packet **p; 525{ 526 struct mbuf *m; 527 ndis_buffer *buf = NULL, *prev = NULL; 528 ndis_packet_private *priv; 529 530 if (p == NULL || m0 == NULL) 531 return(EINVAL); 532 533 /* If caller didn't supply a packet, make one. */ 534 if (*p == NULL) { 535 *p = malloc(sizeof(ndis_packet), M_DEVBUF, M_NOWAIT|M_ZERO); 536 537 if (*p == NULL) 538 return(ENOMEM); 539 } 540 541 priv = &(*p)->np_private; 542 priv->npp_totlen = m0->m_pkthdr.len; 543 priv->npp_packetooboffset = offsetof(ndis_packet, np_oob); 544 545 for (m = m0; m != NULL; m = m->m_next) { 546 if (m->m_len == 0) 547 continue; 548 buf = malloc(sizeof(ndis_buffer), M_DEVBUF, M_NOWAIT|M_ZERO); 549 if (buf == NULL) { 550 ndis_free_packet(*p); 551 *p = NULL; 552 return(ENOMEM); 553 } 554 555 MDL_INIT(buf, m->m_data, m->m_len); 556 if (priv->npp_head == NULL) 557 priv->npp_head = buf; 558 else 559 prev->nb_next = buf; 560 prev = buf; 561 } 562 563 priv->npp_tail = buf; 564 565 return(0); 566} 567 568int 569ndis_get_supported_oids(arg, oids, oidcnt) 570 void *arg; 571 ndis_oid **oids; 572 int *oidcnt; 573{ 574 int len, rval; 575 ndis_oid *o; 576 577 if (arg == NULL || oids == NULL || oidcnt == NULL) 578 return(EINVAL); 579 len = 0; 580 ndis_get_info(arg, OID_GEN_SUPPORTED_LIST, NULL, &len); 581 582 o = malloc(len, M_DEVBUF, M_NOWAIT); 583 if (o == NULL) 584 return(ENOMEM); 585 586 rval = ndis_get_info(arg, OID_GEN_SUPPORTED_LIST, o, &len); 587 588 if (rval) { 589 free(o, M_DEVBUF); 590 return(rval); 591 } 592 593 *oids = o; 594 *oidcnt = len / 4; 595 596 return(0); 597} 598 599int 600ndis_set_info(arg, oid, buf, buflen) 601 void *arg; 602 ndis_oid oid; 603 void *buf; 604 int *buflen; 605{ 606 struct ndis_softc *sc; 607 ndis_status rval; 608 ndis_handle adapter; 609 __stdcall ndis_setinfo_handler setfunc; 610 uint32_t byteswritten = 0, bytesneeded = 0; 611 struct timeval tv; 612 int error; 613 614 sc = arg; 615 setfunc = sc->ndis_chars.nmc_setinfo_func; 616 adapter = sc->ndis_block.nmb_miniportadapterctx; 617 618 rval = setfunc(adapter, oid, buf, *buflen, 619 &byteswritten, &bytesneeded); 620 621 if (rval == NDIS_STATUS_PENDING) { 622 tv.tv_sec = 60; 623 tv.tv_usec = 0; 624 error = tsleep(&sc->ndis_block.nmb_wkupdpctimer, 625 PPAUSE|PCATCH, "ndisset", tvtohz(&tv)); 626 rval = sc->ndis_block.nmb_setstat; 627 } 628 629 if (byteswritten) 630 *buflen = byteswritten; 631 if (bytesneeded) 632 *buflen = bytesneeded; 633 634 if (rval == NDIS_STATUS_INVALID_LENGTH) 635 return(ENOSPC); 636 637 if (rval == NDIS_STATUS_INVALID_OID) 638 return(EINVAL); 639 640 if (rval == NDIS_STATUS_NOT_SUPPORTED || 641 rval == NDIS_STATUS_NOT_ACCEPTED) 642 return(ENOTSUP); 643 644 return(0); 645} 646 647int 648ndis_send_packets(arg, packets, cnt) 649 void *arg; 650 ndis_packet **packets; 651 int cnt; 652{ 653 struct ndis_softc *sc; 654 ndis_handle adapter; 655 __stdcall ndis_sendmulti_handler sendfunc; 656 int i, idx; 657 struct ifnet *ifp; 658 struct mbuf *m; 659 ndis_packet *p; 660 661 sc = arg; 662 adapter = sc->ndis_block.nmb_miniportadapterctx; 663 sendfunc = sc->ndis_chars.nmc_sendmulti_func; 664 sendfunc(adapter, packets, cnt); 665 666 for (i = 0; i < cnt; i++) { 667 p = packets[i]; 668 if (p->np_oob.npo_status == NDIS_STATUS_PENDING) 669 continue; 670 idx = p->np_txidx; 671 m = p->np_m0; 672 ifp = &sc->arpcom.ac_if; 673 if (sc->ndis_sc) 674 bus_dmamap_unload(sc->ndis_ttag, sc->ndis_tmaps[idx]); 675 sc->ndis_txarray[idx] = NULL; 676 sc->ndis_txpending++; 677 m_freem(m); 678 ndis_free_packet(p); 679 if (p->np_oob.npo_status == NDIS_STATUS_SUCCESS) 680 ifp->if_opackets++; 681 else 682 ifp->if_oerrors++; 683 ifp->if_timer = 0; 684 ifp->if_flags &= ~IFF_OACTIVE; 685 } 686 687 return(0); 688} 689 690int 691ndis_init_dma(arg) 692 void *arg; 693{ 694 struct ndis_softc *sc; 695 int i, error; 696 697 sc = arg; 698 699 sc->ndis_tmaps = malloc(sizeof(bus_dmamap_t) * sc->ndis_maxpkts, 700 M_DEVBUF, M_NOWAIT|M_ZERO); 701 702 if (sc->ndis_tmaps == NULL) 703 return(ENOMEM); 704 705 for (i = 0; i < sc->ndis_maxpkts; i++) { 706 error = bus_dmamap_create(sc->ndis_ttag, 0, 707 &sc->ndis_tmaps[i]); 708 if (error) { 709 free(sc->ndis_tmaps, M_DEVBUF); 710 return(ENODEV); 711 } 712 } 713 714 return(0); 715} 716 717int 718ndis_destroy_dma(arg) 719 void *arg; 720{ 721 struct ndis_softc *sc; 722 struct mbuf *m; 723 ndis_packet *p = NULL; 724 int i; 725 726 sc = arg; 727 728 for (i = 0; i < sc->ndis_maxpkts; i++) { 729 if (sc->ndis_txarray[i] != NULL) { 730 p = sc->ndis_txarray[i]; 731 m = (struct mbuf *)p->np_rsvd[1]; 732 if (m != NULL) 733 m_freem(m); 734 ndis_free_packet(sc->ndis_txarray[i]); 735 } 736 bus_dmamap_destroy(sc->ndis_ttag, sc->ndis_tmaps[i]); 737 } 738 739 free(sc->ndis_tmaps, M_DEVBUF); 740 741 bus_dma_tag_destroy(sc->ndis_ttag); 742 743 return(0); 744} 745 746int 747ndis_reset_nic(arg) 748 void *arg; 749{ 750 struct ndis_softc *sc; 751 ndis_handle adapter; 752 __stdcall ndis_reset_handler resetfunc; 753 uint8_t addressing_reset; 754 struct ifnet *ifp; 755 756 sc = arg; 757 ifp = &sc->arpcom.ac_if; 758 adapter = sc->ndis_block.nmb_miniportadapterctx; 759 if (adapter == NULL) 760 return(EIO); 761 resetfunc = sc->ndis_chars.nmc_reset_func; 762 763 if (resetfunc == NULL) 764 return(EINVAL); 765 766 resetfunc(&addressing_reset, adapter); 767 768 return(0); 769} 770 771int 772ndis_halt_nic(arg) 773 void *arg; 774{ 775 struct ndis_softc *sc; 776 ndis_handle adapter; 777 __stdcall ndis_halt_handler haltfunc; 778 struct ifnet *ifp; 779 struct ndis_timer_entry *ne; 780 781 sc = arg; 782 ifp = &sc->arpcom.ac_if; 783 adapter = sc->ndis_block.nmb_miniportadapterctx; 784 if (adapter == NULL) 785 return(EIO); 786 787 haltfunc = sc->ndis_chars.nmc_halt_func; 788 789 if (haltfunc == NULL) 790 return(EINVAL); 791 792 haltfunc(adapter); 793 794 /* 795 * The adapter context is only valid after the init 796 * handler has been called, and is invalid once the 797 * halt handler has been called. 798 */ 799 800 sc->ndis_block.nmb_miniportadapterctx = NULL; 801 802 /* Clobber all the timers in case the driver left one running. */ 803 804 while (!TAILQ_EMPTY(&sc->ndis_block.nmb_timerlist)) { 805 ne = TAILQ_FIRST(&sc->ndis_block.nmb_timerlist); 806 TAILQ_REMOVE(&sc->ndis_block.nmb_timerlist, ne, link); 807 callout_stop(&ne->nte_ch); 808 free(ne, M_DEVBUF); 809 } 810 811 return(0); 812} 813 814int 815ndis_shutdown_nic(arg) 816 void *arg; 817{ 818 struct ndis_softc *sc; 819 ndis_handle adapter; 820 __stdcall ndis_shutdown_handler shutdownfunc; 821 822 823 sc = arg; 824 adapter = sc->ndis_block.nmb_miniportadapterctx; 825 if (adapter == NULL) 826 return(EIO); 827 shutdownfunc = sc->ndis_chars.nmc_shutdown_handler; 828 829 if (shutdownfunc == NULL) 830 return(EINVAL); 831 832 if (sc->ndis_chars.nmc_rsvd0 == NULL) 833 shutdownfunc(adapter); 834 else 835 shutdownfunc(sc->ndis_chars.nmc_rsvd0); 836 837 return(0); 838} 839 840int 841ndis_init_nic(arg) 842 void *arg; 843{ 844 struct ndis_softc *sc; 845 ndis_miniport_block *block; 846 __stdcall ndis_init_handler initfunc; 847 ndis_status status, openstatus = 0; 848 ndis_medium mediumarray[NdisMediumMax]; 849 uint32_t chosenmedium, i; 850 851 if (arg == NULL) 852 return(EINVAL); 853 854 sc = arg; 855 block = &sc->ndis_block; 856 initfunc = sc->ndis_chars.nmc_init_func; 857 858 TAILQ_INIT(&block->nmb_timerlist); 859 860 for (i = 0; i < NdisMediumMax; i++) 861 mediumarray[i] = i; 862 863 status = initfunc(&openstatus, &chosenmedium, 864 mediumarray, NdisMediumMax, block, block); 865 866 /* 867 * If the init fails, blow away the other exported routines 868 * we obtained from the driver so we can't call them later. 869 * If the init failed, none of these will work. 870 */ 871 if (status != NDIS_STATUS_SUCCESS) { 872 bzero((char *)&sc->ndis_chars, 873 sizeof(ndis_miniport_characteristics)); 874 return(ENXIO); 875 } 876 877 return(0); 878} 879 880void 881ndis_enable_intr(arg) 882 void *arg; 883{ 884 struct ndis_softc *sc; 885 ndis_handle adapter; 886 __stdcall ndis_enable_interrupts_handler intrenbfunc; 887 888 sc = arg; 889 adapter = sc->ndis_block.nmb_miniportadapterctx; 890 if (adapter == NULL) 891 return; 892 intrenbfunc = sc->ndis_chars.nmc_enable_interrupts_func; 893 if (intrenbfunc == NULL) 894 return; 895 intrenbfunc(adapter); 896 897 return; 898} 899 900void 901ndis_disable_intr(arg) 902 void *arg; 903{ 904 struct ndis_softc *sc; 905 ndis_handle adapter; 906 __stdcall ndis_disable_interrupts_handler intrdisfunc; 907 908 sc = arg; 909 adapter = sc->ndis_block.nmb_miniportadapterctx; 910 if (adapter == NULL) 911 return; 912 intrdisfunc = sc->ndis_chars.nmc_disable_interrupts_func; 913 if (intrdisfunc == NULL) 914 return; 915 intrdisfunc(adapter); 916 917 return; 918} 919 920int 921ndis_isr(arg, ourintr, callhandler) 922 void *arg; 923 int *ourintr; 924 int *callhandler; 925{ 926 struct ndis_softc *sc; 927 ndis_handle adapter; 928 __stdcall ndis_isr_handler isrfunc; 929 uint8_t accepted, queue; 930 931 if (arg == NULL || ourintr == NULL || callhandler == NULL) 932 return(EINVAL); 933 934 sc = arg; 935 adapter = sc->ndis_block.nmb_miniportadapterctx; 936 isrfunc = sc->ndis_chars.nmc_isr_func; 937 isrfunc(&accepted, &queue, adapter); 938 *ourintr = accepted; 939 *callhandler = queue; 940 941 return(0); 942} 943 944int 945ndis_intrhand(arg) 946 void *arg; 947{ 948 struct ndis_softc *sc; 949 ndis_handle adapter; 950 __stdcall ndis_interrupt_handler intrfunc; 951 952 if (arg == NULL) 953 return(EINVAL); 954 955 sc = arg; 956 adapter = sc->ndis_block.nmb_miniportadapterctx; 957 intrfunc = sc->ndis_chars.nmc_interrupt_func; 958 intrfunc(adapter); 959 960 return(0); 961} 962 963int 964ndis_get_info(arg, oid, buf, buflen) 965 void *arg; 966 ndis_oid oid; 967 void *buf; 968 int *buflen; 969{ 970 struct ndis_softc *sc; 971 ndis_status rval; 972 ndis_handle adapter; 973 __stdcall ndis_queryinfo_handler queryfunc; 974 uint32_t byteswritten = 0, bytesneeded = 0; 975 struct timeval tv; 976 int error; 977 978 sc = arg; 979 queryfunc = sc->ndis_chars.nmc_queryinfo_func; 980 adapter = sc->ndis_block.nmb_miniportadapterctx; 981 982 rval = queryfunc(adapter, oid, buf, *buflen, 983 &byteswritten, &bytesneeded); 984 985 /* Wait for requests that block. */ 986 987 if (rval == NDIS_STATUS_PENDING) { 988 tv.tv_sec = 60; 989 tv.tv_usec = 0; 990 error = tsleep(&sc->ndis_block.nmb_wkupdpctimer, 991 PPAUSE|PCATCH, "ndisget", tvtohz(&tv)); 992 rval = sc->ndis_block.nmb_getstat; 993 } 994 995 if (byteswritten) 996 *buflen = byteswritten; 997 if (bytesneeded) 998 *buflen = bytesneeded; 999 1000 if (rval == NDIS_STATUS_INVALID_LENGTH || 1001 rval == NDIS_STATUS_BUFFER_TOO_SHORT) 1002 return(ENOSPC); 1003 1004 if (rval == NDIS_STATUS_INVALID_OID) 1005 return(EINVAL); 1006 1007 if (rval == NDIS_STATUS_NOT_SUPPORTED || 1008 rval == NDIS_STATUS_NOT_ACCEPTED) 1009 return(ENOTSUP); 1010 1011 return(0); 1012} 1013 1014int 1015ndis_unload_driver(arg) 1016 void *arg; 1017{ 1018 struct ndis_softc *sc; 1019 1020 sc = arg; 1021 1022 free(sc->ndis_block.nmb_rlist, M_DEVBUF); 1023 1024 ndis_flush_sysctls(sc); 1025 ndis_libfini(); 1026 ntoskrnl_libfini(); 1027 1028 return(0); 1029} 1030 1031int 1032ndis_load_driver(img, arg) 1033 vm_offset_t img; 1034 void *arg; 1035{ 1036 __stdcall driver_entry entry; 1037 image_optional_header opt_hdr; 1038 image_import_descriptor imp_desc; 1039 ndis_unicode_string dummystr; 1040 ndis_driver_object drv; 1041 ndis_miniport_block *block; 1042 ndis_status status; 1043 int idx; 1044 uint32_t *ptr; 1045 struct ndis_softc *sc; 1046 1047 sc = arg; 1048 1049 /* Perform text relocation */ 1050 if (pe_relocate(img)) 1051 return(ENOEXEC); 1052 1053 /* Dynamically link the NDIS.SYS routines -- required. */ 1054 if (pe_patch_imports(img, "NDIS", ndis_functbl)) 1055 return(ENOEXEC); 1056 1057 /* Dynamically link the HAL.dll routines -- also required. */ 1058 if (pe_patch_imports(img, "HAL", hal_functbl)) 1059 return(ENOEXEC); 1060 1061 /* Dynamically link ntoskrnl.exe -- optional. */ 1062 if (pe_get_import_descriptor(img, &imp_desc, "ntoskrnl") == 0) { 1063 if (pe_patch_imports(img, "ntoskrnl", ntoskrnl_functbl)) 1064 return(ENOEXEC); 1065 } 1066 1067 /* Initialize subsystems */ 1068 ndis_libinit(); 1069 ntoskrnl_libinit(); 1070 1071 /* Locate the driver entry point */ 1072 pe_get_optional_header(img, &opt_hdr); 1073 entry = (driver_entry)pe_translate_addr(img, opt_hdr.ioh_entryaddr); 1074 1075 /* 1076 * Now call the DriverEntry() routine. This will cause 1077 * a callout to the NdisInitializeWrapper() and 1078 * NdisMRegisterMiniport() routines. 1079 */ 1080 dummystr.nus_len = strlen(NDIS_DUMMY_PATH); 1081 dummystr.nus_maxlen = strlen(NDIS_DUMMY_PATH); 1082 dummystr.nus_buf = NULL; 1083 ndis_ascii_to_unicode(NDIS_DUMMY_PATH, &dummystr.nus_buf); 1084 drv.ndo_ifname = "ndis0"; 1085 1086 status = entry(&drv, &dummystr); 1087 1088 free (dummystr.nus_buf, M_DEVBUF); 1089 1090 if (status != NDIS_STATUS_SUCCESS) 1091 return(ENODEV); 1092 1093 /* 1094 * Now that we have the miniport driver characteristics, 1095 * create an NDIS block and call the init handler. 1096 * This will cause the driver to try to probe for 1097 * a device. 1098 */ 1099 1100 block = &sc->ndis_block; 1101 bcopy((char *)&drv.ndo_chars, (char *)&sc->ndis_chars, 1102 sizeof(ndis_miniport_characteristics)); 1103 1104 /*block->nmb_signature = 0xcafebabe;*/ 1105 1106 ptr = (uint32_t *)block; 1107 for (idx = 0; idx < sizeof(ndis_miniport_block) / 4; idx++) { 1108 *ptr = idx | 0xdead0000; 1109 ptr++; 1110 } 1111 1112 block->nmb_signature = (void *)0xcafebabe; 1113 block->nmb_setdone_func = ndis_setdone_func; 1114 block->nmb_querydone_func = ndis_getdone_func; 1115 block->nmb_status_func = ndis_status_func; 1116 block->nmb_statusdone_func = ndis_statusdone_func; 1117 block->nmb_resetdone_func = ndis_resetdone_func; 1118 1119 block->nmb_ifp = &sc->arpcom.ac_if; 1120 block->nmb_dev = sc->ndis_dev; 1121 1122 return(0); 1123} 1124