1139743Simp/*- 2123474Swpaul * Copyright (c) 2003 3123474Swpaul * Bill Paul <wpaul@windriver.com>. All rights reserved. 4123474Swpaul * 5123474Swpaul * Redistribution and use in source and binary forms, with or without 6123474Swpaul * modification, are permitted provided that the following conditions 7123474Swpaul * are met: 8123474Swpaul * 1. Redistributions of source code must retain the above copyright 9123474Swpaul * notice, this list of conditions and the following disclaimer. 10123474Swpaul * 2. Redistributions in binary form must reproduce the above copyright 11123474Swpaul * notice, this list of conditions and the following disclaimer in the 12123474Swpaul * documentation and/or other materials provided with the distribution. 13123474Swpaul * 3. All advertising materials mentioning features or use of this software 14123474Swpaul * must display the following acknowledgement: 15123474Swpaul * This product includes software developed by Bill Paul. 16123474Swpaul * 4. Neither the name of the author nor the names of any co-contributors 17123474Swpaul * may be used to endorse or promote products derived from this software 18123474Swpaul * without specific prior written permission. 19123474Swpaul * 20123474Swpaul * THIS SOFTWARE IS PROVIDED BY Bill Paul AND CONTRIBUTORS ``AS IS'' AND 21123474Swpaul * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 22123474Swpaul * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 23123474Swpaul * ARE DISCLAIMED. IN NO EVENT SHALL Bill Paul OR THE VOICES IN HIS HEAD 24123474Swpaul * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 25123474Swpaul * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 26123474Swpaul * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 27123474Swpaul * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 28123474Swpaul * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 29123474Swpaul * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF 30123474Swpaul * THE POSSIBILITY OF SUCH DAMAGE. 31123474Swpaul */ 32123474Swpaul 33123474Swpaul#include <sys/cdefs.h> 34123474Swpaul__FBSDID("$FreeBSD: stable/11/sys/compat/ndis/kern_ndis.c 319726 2017-06-08 22:12:10Z glebius $"); 35123474Swpaul 36123474Swpaul#include <sys/param.h> 37124697Swpaul#include <sys/systm.h> 38124697Swpaul#include <sys/unistd.h> 39123474Swpaul#include <sys/types.h> 40123474Swpaul#include <sys/errno.h> 41123474Swpaul#include <sys/callout.h> 42123474Swpaul#include <sys/socket.h> 43123474Swpaul#include <sys/queue.h> 44123474Swpaul#include <sys/sysctl.h> 45124697Swpaul#include <sys/proc.h> 46123474Swpaul#include <sys/malloc.h> 47123474Swpaul#include <sys/lock.h> 48123474Swpaul#include <sys/mutex.h> 49123474Swpaul#include <sys/conf.h> 50123474Swpaul 51123474Swpaul#include <sys/kernel.h> 52129970Swpaul#include <sys/module.h> 53124697Swpaul#include <sys/kthread.h> 54123474Swpaul#include <machine/bus.h> 55123474Swpaul#include <machine/resource.h> 56123474Swpaul#include <sys/bus.h> 57123474Swpaul#include <sys/rman.h> 58123474Swpaul 59123474Swpaul#include <net/if.h> 60257176Sglebius#include <net/if_var.h> 61123474Swpaul#include <net/if_arp.h> 62123474Swpaul#include <net/ethernet.h> 63123474Swpaul#include <net/if_dl.h> 64123474Swpaul#include <net/if_media.h> 65123474Swpaul 66123695Swpaul#include <net80211/ieee80211_var.h> 67123695Swpaul#include <net80211/ieee80211_ioctl.h> 68123695Swpaul 69189488Sweongyo#include <dev/usb/usb.h> 70194677Sthompsa#include <dev/usb/usbdi.h> 71186507Sweongyo 72123474Swpaul#include <compat/ndis/pe_var.h> 73145485Swpaul#include <compat/ndis/cfg_var.h> 74123474Swpaul#include <compat/ndis/resource_var.h> 75125551Swpaul#include <compat/ndis/ntoskrnl_var.h> 76123474Swpaul#include <compat/ndis/ndis_var.h> 77123474Swpaul#include <compat/ndis/hal_var.h> 78142399Swpaul#include <compat/ndis/usbd_var.h> 79123474Swpaul#include <dev/if_ndis/if_ndisvar.h> 80123474Swpaul 81123474Swpaul#define NDIS_DUMMY_PATH "\\\\some\\bogus\\path" 82273377Shselasky#define NDIS_FLAG_RDONLY 1 83123474Swpaul 84144888Swpaulstatic void ndis_status_func(ndis_handle, ndis_status, void *, uint32_t); 85144888Swpaulstatic void ndis_statusdone_func(ndis_handle); 86144888Swpaulstatic void ndis_setdone_func(ndis_handle, ndis_status); 87144888Swpaulstatic void ndis_getdone_func(ndis_handle, ndis_status); 88144888Swpaulstatic void ndis_resetdone_func(ndis_handle, ndis_status, uint8_t); 89144888Swpaulstatic void ndis_sendrsrcavail_func(ndis_handle); 90151207Swpaulstatic void ndis_intrsetup(kdpc *, device_object *, 91144174Swpaul irp *, struct ndis_softc *); 92151451Swpaulstatic void ndis_return(device_object *, void *); 93123474Swpaul 94141963Swpaulstatic image_patch_table kernndis_functbl[] = { 95144888Swpaul IMPORT_SFUNC(ndis_status_func, 4), 96144888Swpaul IMPORT_SFUNC(ndis_statusdone_func, 1), 97144888Swpaul IMPORT_SFUNC(ndis_setdone_func, 2), 98144888Swpaul IMPORT_SFUNC(ndis_getdone_func, 2), 99144888Swpaul IMPORT_SFUNC(ndis_resetdone_func, 3), 100144888Swpaul IMPORT_SFUNC(ndis_sendrsrcavail_func, 1), 101151207Swpaul IMPORT_SFUNC(ndis_intrsetup, 4), 102145895Swpaul IMPORT_SFUNC(ndis_return, 1), 103141963Swpaul 104141963Swpaul { NULL, NULL, NULL } 105141963Swpaul}; 106141963Swpaul 107151248Swpaulstatic struct nd_head ndis_devhead; 108125057Swpaul 109123474Swpaul/* 110123474Swpaul * This allows us to export our symbols to other modules. 111123474Swpaul * Note that we call ourselves 'ndisapi' to avoid a namespace 112123474Swpaul * collision with if_ndis.ko, which internally calls itself 113123474Swpaul * 'ndis.' 114151451Swpaul * 115151451Swpaul * Note: some of the subsystems depend on each other, so the 116151451Swpaul * order in which they're started is important. The order of 117151451Swpaul * importance is: 118151451Swpaul * 119151451Swpaul * HAL - spinlocks and IRQL manipulation 120151451Swpaul * ntoskrnl - DPC and workitem threads, object waiting 121151451Swpaul * windrv - driver/device registration 122151451Swpaul * 123151451Swpaul * The HAL should also be the last thing shut down, since 124151451Swpaul * the ntoskrnl subsystem will use spinlocks right up until 125151451Swpaul * the DPC and workitem threads are terminated. 126123474Swpaul */ 127141524Swpaul 128123474Swpaulstatic int 129123474Swpaulndis_modevent(module_t mod, int cmd, void *arg) 130123474Swpaul{ 131124060Swpaul int error = 0; 132141963Swpaul image_patch_table *patch; 133124060Swpaul 134124060Swpaul switch (cmd) { 135124060Swpaul case MOD_LOAD: 136124122Swpaul /* Initialize subsystems */ 137151451Swpaul hal_libinit(); 138151451Swpaul ntoskrnl_libinit(); 139141524Swpaul windrv_libinit(); 140124122Swpaul ndis_libinit(); 141142399Swpaul usbd_libinit(); 142124122Swpaul 143141963Swpaul patch = kernndis_functbl; 144141963Swpaul while (patch->ipt_func != NULL) { 145141963Swpaul windrv_wrap((funcptr)patch->ipt_func, 146144888Swpaul (funcptr *)&patch->ipt_wrap, 147144888Swpaul patch->ipt_argcnt, patch->ipt_ftype); 148141963Swpaul patch++; 149141963Swpaul } 150141963Swpaul 151125057Swpaul TAILQ_INIT(&ndis_devhead); 152124060Swpaul break; 153124060Swpaul case MOD_SHUTDOWN: 154127311Swpaul if (TAILQ_FIRST(&ndis_devhead) == NULL) { 155125006Swpaul /* Shut down subsystems */ 156125006Swpaul ndis_libfini(); 157142399Swpaul usbd_libfini(); 158141963Swpaul windrv_libfini(); 159151451Swpaul ntoskrnl_libfini(); 160151451Swpaul hal_libfini(); 161124697Swpaul 162141963Swpaul patch = kernndis_functbl; 163141963Swpaul while (patch->ipt_func != NULL) { 164141963Swpaul windrv_unwrap(patch->ipt_wrap); 165141963Swpaul patch++; 166141963Swpaul } 167125006Swpaul } 168125006Swpaul break; 169125006Swpaul case MOD_UNLOAD: 170124122Swpaul /* Shut down subsystems */ 171124122Swpaul ndis_libfini(); 172142399Swpaul usbd_libfini(); 173141524Swpaul windrv_libfini(); 174151451Swpaul ntoskrnl_libfini(); 175151451Swpaul hal_libfini(); 176124122Swpaul 177141963Swpaul patch = kernndis_functbl; 178141963Swpaul while (patch->ipt_func != NULL) { 179141963Swpaul windrv_unwrap(patch->ipt_wrap); 180141963Swpaul patch++; 181141963Swpaul } 182141963Swpaul 183124060Swpaul break; 184124060Swpaul default: 185124060Swpaul error = EINVAL; 186124060Swpaul break; 187124060Swpaul } 188124060Swpaul 189198786Srpaulo return (error); 190123474Swpaul} 191123474SwpaulDEV_MODULE(ndisapi, ndis_modevent, NULL); 192123474SwpaulMODULE_VERSION(ndisapi, 1); 193123474Swpaul 194144888Swpaulstatic void 195124100Swpaulndis_sendrsrcavail_func(adapter) 196124100Swpaul ndis_handle adapter; 197124100Swpaul{ 198124100Swpaul} 199124100Swpaul 200144888Swpaulstatic void 201123474Swpaulndis_status_func(adapter, status, sbuf, slen) 202123474Swpaul ndis_handle adapter; 203123474Swpaul ndis_status status; 204123474Swpaul void *sbuf; 205123474Swpaul uint32_t slen; 206123474Swpaul{ 207124060Swpaul ndis_miniport_block *block; 208141524Swpaul struct ndis_softc *sc; 209141524Swpaul struct ifnet *ifp; 210141524Swpaul 211124060Swpaul block = adapter; 212141524Swpaul sc = device_get_softc(block->nmb_physdeviceobj->do_devext); 213319726Sglebius ifp = NDISUSB_GET_IFNET(sc); 214319726Sglebius if ( ifp && ifp->if_flags & IFF_DEBUG) 215198786Srpaulo device_printf(sc->ndis_dev, "status: %x\n", status); 216123474Swpaul} 217123474Swpaul 218144888Swpaulstatic void 219123474Swpaulndis_statusdone_func(adapter) 220123474Swpaul ndis_handle adapter; 221123474Swpaul{ 222124060Swpaul ndis_miniport_block *block; 223141524Swpaul struct ndis_softc *sc; 224141524Swpaul struct ifnet *ifp; 225141524Swpaul 226124060Swpaul block = adapter; 227141524Swpaul sc = device_get_softc(block->nmb_physdeviceobj->do_devext); 228319726Sglebius ifp = NDISUSB_GET_IFNET(sc); 229319726Sglebius if (ifp && ifp->if_flags & IFF_DEBUG) 230198786Srpaulo device_printf(sc->ndis_dev, "status complete\n"); 231123474Swpaul} 232123474Swpaul 233144888Swpaulstatic void 234123474Swpaulndis_setdone_func(adapter, status) 235123474Swpaul ndis_handle adapter; 236123474Swpaul ndis_status status; 237123474Swpaul{ 238123695Swpaul ndis_miniport_block *block; 239123695Swpaul block = adapter; 240123695Swpaul 241123695Swpaul block->nmb_setstat = status; 242151248Swpaul KeSetEvent(&block->nmb_setevent, IO_NO_INCREMENT, FALSE); 243123474Swpaul} 244123474Swpaul 245144888Swpaulstatic void 246123535Swpaulndis_getdone_func(adapter, status) 247123535Swpaul ndis_handle adapter; 248123535Swpaul ndis_status status; 249123535Swpaul{ 250123695Swpaul ndis_miniport_block *block; 251123695Swpaul block = adapter; 252123695Swpaul 253123695Swpaul block->nmb_getstat = status; 254151248Swpaul KeSetEvent(&block->nmb_getevent, IO_NO_INCREMENT, FALSE); 255123535Swpaul} 256123535Swpaul 257144888Swpaulstatic void 258189004Srdivackyndis_resetdone_func(ndis_handle adapter, ndis_status status, 259189004Srdivacky uint8_t addressingreset) 260123474Swpaul{ 261124060Swpaul ndis_miniport_block *block; 262141524Swpaul struct ndis_softc *sc; 263141524Swpaul struct ifnet *ifp; 264141524Swpaul 265124060Swpaul block = adapter; 266141524Swpaul sc = device_get_softc(block->nmb_physdeviceobj->do_devext); 267319726Sglebius ifp = NDISUSB_GET_IFNET(sc); 268124060Swpaul 269319726Sglebius if (ifp && ifp->if_flags & IFF_DEBUG) 270198786Srpaulo device_printf(sc->ndis_dev, "reset done...\n"); 271151248Swpaul KeSetEvent(&block->nmb_resetevent, IO_NO_INCREMENT, FALSE); 272123474Swpaul} 273123474Swpaul 274123474Swpaulint 275123474Swpaulndis_create_sysctls(arg) 276123474Swpaul void *arg; 277123474Swpaul{ 278123474Swpaul struct ndis_softc *sc; 279123474Swpaul ndis_cfg *vals; 280123474Swpaul char buf[256]; 281132973Swpaul struct sysctl_oid *oidp; 282132973Swpaul struct sysctl_ctx_entry *e; 283123474Swpaul 284123474Swpaul if (arg == NULL) 285198786Srpaulo return (EINVAL); 286123474Swpaul 287123474Swpaul sc = arg; 288319726Sglebius /* 289319726Sglebius device_printf(sc->ndis_dev, "ndis_create_sysctls() sc=%p\n", sc); 290319726Sglebius */ 291123474Swpaul vals = sc->ndis_regvals; 292123474Swpaul 293123474Swpaul TAILQ_INIT(&sc->ndis_cfglist_head); 294123474Swpaul 295123474Swpaul /* Add the driver-specific registry keys. */ 296123474Swpaul 297123474Swpaul while(1) { 298123474Swpaul if (vals->nc_cfgkey == NULL) 299123474Swpaul break; 300145895Swpaul 301123620Swpaul if (vals->nc_idx != sc->ndis_devidx) { 302123620Swpaul vals++; 303123620Swpaul continue; 304123620Swpaul } 305132973Swpaul 306132973Swpaul /* See if we already have a sysctl with this name */ 307132973Swpaul 308132973Swpaul oidp = NULL; 309132973Swpaul TAILQ_FOREACH(e, device_get_sysctl_ctx(sc->ndis_dev), link) { 310189488Sweongyo oidp = e->entry; 311168421Spjd if (strcasecmp(oidp->oid_name, vals->nc_cfgkey) == 0) 312132973Swpaul break; 313132973Swpaul oidp = NULL; 314132973Swpaul } 315132973Swpaul 316132973Swpaul if (oidp != NULL) { 317132973Swpaul vals++; 318132973Swpaul continue; 319132973Swpaul } 320132973Swpaul 321151207Swpaul ndis_add_sysctl(sc, vals->nc_cfgkey, vals->nc_cfgdesc, 322151207Swpaul vals->nc_val, CTLFLAG_RW); 323123474Swpaul vals++; 324123474Swpaul } 325123474Swpaul 326123474Swpaul /* Now add a couple of builtin keys. */ 327123474Swpaul 328123474Swpaul /* 329123474Swpaul * Environment can be either Windows (0) or WindowsNT (1). 330123474Swpaul * We qualify as the latter. 331123474Swpaul */ 332123474Swpaul ndis_add_sysctl(sc, "Environment", 333273377Shselasky "Windows environment", "1", NDIS_FLAG_RDONLY); 334123474Swpaul 335123474Swpaul /* NDIS version should be 5.1. */ 336123474Swpaul ndis_add_sysctl(sc, "NdisVersion", 337273377Shselasky "NDIS API Version", "0x00050001", NDIS_FLAG_RDONLY); 338123474Swpaul 339216049Sbschmidt /* 340216049Sbschmidt * Some miniport drivers rely on the existence of the SlotNumber, 341216049Sbschmidt * NetCfgInstanceId and DriverDesc keys. 342216049Sbschmidt */ 343273377Shselasky ndis_add_sysctl(sc, "SlotNumber", "Slot Numer", "01", NDIS_FLAG_RDONLY); 344216049Sbschmidt ndis_add_sysctl(sc, "NetCfgInstanceId", "NetCfgInstanceId", 345273377Shselasky "{12345678-1234-5678-CAFE0-123456789ABC}", NDIS_FLAG_RDONLY); 346216049Sbschmidt ndis_add_sysctl(sc, "DriverDesc", "Driver Description", 347273377Shselasky "NDIS Network Adapter", NDIS_FLAG_RDONLY); 348216049Sbschmidt 349123474Swpaul /* Bus type (PCI, PCMCIA, etc...) */ 350124272Swpaul sprintf(buf, "%d", (int)sc->ndis_iftype); 351273377Shselasky ndis_add_sysctl(sc, "BusType", "Bus Type", buf, NDIS_FLAG_RDONLY); 352123474Swpaul 353123474Swpaul if (sc->ndis_res_io != NULL) { 354297000Sjhibbits sprintf(buf, "0x%jx", rman_get_start(sc->ndis_res_io)); 355123474Swpaul ndis_add_sysctl(sc, "IOBaseAddress", 356273377Shselasky "Base I/O Address", buf, NDIS_FLAG_RDONLY); 357123474Swpaul } 358123474Swpaul 359123474Swpaul if (sc->ndis_irq != NULL) { 360297000Sjhibbits sprintf(buf, "%ju", rman_get_start(sc->ndis_irq)); 361123474Swpaul ndis_add_sysctl(sc, "InterruptNumber", 362273377Shselasky "Interrupt Number", buf, NDIS_FLAG_RDONLY); 363123474Swpaul } 364123474Swpaul 365198786Srpaulo return (0); 366123474Swpaul} 367123474Swpaul 368123474Swpaulint 369273377Shselaskyndis_add_sysctl(arg, key, desc, val, flag_rdonly) 370123474Swpaul void *arg; 371123474Swpaul char *key; 372123474Swpaul char *desc; 373123474Swpaul char *val; 374273377Shselasky int flag_rdonly; 375123474Swpaul{ 376123474Swpaul struct ndis_softc *sc; 377123474Swpaul struct ndis_cfglist *cfg; 378123474Swpaul char descstr[256]; 379123474Swpaul 380123474Swpaul sc = arg; 381123474Swpaul 382123474Swpaul cfg = malloc(sizeof(struct ndis_cfglist), M_DEVBUF, M_NOWAIT|M_ZERO); 383123474Swpaul 384151207Swpaul if (cfg == NULL) { 385151207Swpaul printf("failed for %s\n", key); 386198786Srpaulo return (ENOMEM); 387151207Swpaul } 388123474Swpaul 389123474Swpaul cfg->ndis_cfg.nc_cfgkey = strdup(key, M_DEVBUF); 390123474Swpaul if (desc == NULL) { 391123474Swpaul snprintf(descstr, sizeof(descstr), "%s (dynamic)", key); 392123474Swpaul cfg->ndis_cfg.nc_cfgdesc = strdup(descstr, M_DEVBUF); 393123474Swpaul } else 394123474Swpaul cfg->ndis_cfg.nc_cfgdesc = strdup(desc, M_DEVBUF); 395123474Swpaul strcpy(cfg->ndis_cfg.nc_val, val); 396123474Swpaul 397123474Swpaul TAILQ_INSERT_TAIL(&sc->ndis_cfglist_head, cfg, link); 398123474Swpaul 399273377Shselasky if (flag_rdonly != 0) { 400273377Shselasky cfg->ndis_oid = 401273377Shselasky SYSCTL_ADD_STRING(device_get_sysctl_ctx(sc->ndis_dev), 402273377Shselasky SYSCTL_CHILDREN(device_get_sysctl_tree(sc->ndis_dev)), 403273377Shselasky OID_AUTO, cfg->ndis_cfg.nc_cfgkey, CTLFLAG_RD, 404273377Shselasky cfg->ndis_cfg.nc_val, sizeof(cfg->ndis_cfg.nc_val), 405273377Shselasky cfg->ndis_cfg.nc_cfgdesc); 406273377Shselasky } else { 407273377Shselasky cfg->ndis_oid = 408273377Shselasky SYSCTL_ADD_STRING(device_get_sysctl_ctx(sc->ndis_dev), 409273377Shselasky SYSCTL_CHILDREN(device_get_sysctl_tree(sc->ndis_dev)), 410273377Shselasky OID_AUTO, cfg->ndis_cfg.nc_cfgkey, CTLFLAG_RW, 411273377Shselasky cfg->ndis_cfg.nc_val, sizeof(cfg->ndis_cfg.nc_val), 412273377Shselasky cfg->ndis_cfg.nc_cfgdesc); 413273377Shselasky } 414198786Srpaulo return (0); 415123474Swpaul} 416123474Swpaul 417151207Swpaul/* 418151207Swpaul * Somewhere, somebody decided "hey, let's automatically create 419151207Swpaul * a sysctl tree for each device instance as it's created -- it'll 420151207Swpaul * make life so much easier!" Lies. Why must they turn the kernel 421151207Swpaul * into a house of lies? 422151207Swpaul */ 423151207Swpaul 424123474Swpaulint 425123474Swpaulndis_flush_sysctls(arg) 426123474Swpaul void *arg; 427123474Swpaul{ 428123474Swpaul struct ndis_softc *sc; 429123474Swpaul struct ndis_cfglist *cfg; 430151207Swpaul struct sysctl_ctx_list *clist; 431123474Swpaul 432123474Swpaul sc = arg; 433123474Swpaul 434151207Swpaul clist = device_get_sysctl_ctx(sc->ndis_dev); 435151207Swpaul 436123474Swpaul while (!TAILQ_EMPTY(&sc->ndis_cfglist_head)) { 437123474Swpaul cfg = TAILQ_FIRST(&sc->ndis_cfglist_head); 438123474Swpaul TAILQ_REMOVE(&sc->ndis_cfglist_head, cfg, link); 439151207Swpaul sysctl_ctx_entry_del(clist, cfg->ndis_oid); 440151207Swpaul sysctl_remove_oid(cfg->ndis_oid, 1, 0); 441123474Swpaul free(cfg->ndis_cfg.nc_cfgkey, M_DEVBUF); 442123474Swpaul free(cfg->ndis_cfg.nc_cfgdesc, M_DEVBUF); 443123474Swpaul free(cfg, M_DEVBUF); 444123474Swpaul } 445123474Swpaul 446198786Srpaulo return (0); 447123474Swpaul} 448123474Swpaul 449216242Sbschmidtvoid * 450216242Sbschmidtndis_get_routine_address(functbl, name) 451216242Sbschmidt struct image_patch_table *functbl; 452216242Sbschmidt char *name; 453216242Sbschmidt{ 454216242Sbschmidt int i; 455216242Sbschmidt 456216242Sbschmidt for (i = 0; functbl[i].ipt_name != NULL; i++) 457216242Sbschmidt if (strcmp(name, functbl[i].ipt_name) == 0) 458216242Sbschmidt return (functbl[i].ipt_wrap); 459216242Sbschmidt return (NULL); 460216242Sbschmidt} 461216242Sbschmidt 462128546Swpaulstatic void 463151451Swpaulndis_return(dobj, arg) 464151451Swpaul device_object *dobj; 465123474Swpaul void *arg; 466123474Swpaul{ 467151451Swpaul ndis_miniport_block *block; 468151451Swpaul ndis_miniport_characteristics *ch; 469144888Swpaul ndis_return_handler returnfunc; 470123474Swpaul ndis_handle adapter; 471123535Swpaul ndis_packet *p; 472128229Swpaul uint8_t irql; 473151451Swpaul list_entry *l; 474123474Swpaul 475151451Swpaul block = arg; 476151451Swpaul ch = IoGetDriverObjectExtension(dobj->do_drvobj, (void *)1); 477151451Swpaul 478128546Swpaul p = arg; 479151451Swpaul adapter = block->nmb_miniportadapterctx; 480128546Swpaul 481128546Swpaul if (adapter == NULL) 482128546Swpaul return; 483128546Swpaul 484151451Swpaul returnfunc = ch->nmc_return_packet_func; 485144174Swpaul 486151451Swpaul KeAcquireSpinLock(&block->nmb_returnlock, &irql); 487151451Swpaul while (!IsListEmpty(&block->nmb_returnlist)) { 488151451Swpaul l = RemoveHeadList((&block->nmb_returnlist)); 489151451Swpaul p = CONTAINING_RECORD(l, ndis_packet, np_list); 490151451Swpaul InitializeListHead((&p->np_list)); 491151451Swpaul KeReleaseSpinLock(&block->nmb_returnlock, irql); 492151451Swpaul MSCALL2(returnfunc, adapter, p); 493151451Swpaul KeAcquireSpinLock(&block->nmb_returnlock, &irql); 494151451Swpaul } 495151451Swpaul KeReleaseSpinLock(&block->nmb_returnlock, irql); 496128546Swpaul} 497128546Swpaul 498268529Sglebiusvoid 499254842Sandrendis_return_packet(struct mbuf *m, void *buf, void *arg) 500128546Swpaul{ 501128546Swpaul ndis_packet *p; 502151451Swpaul ndis_miniport_block *block; 503128546Swpaul 504123826Swpaul if (arg == NULL) 505268529Sglebius return; 506123474Swpaul 507123826Swpaul p = arg; 508123535Swpaul 509123535Swpaul /* Decrement refcount. */ 510123826Swpaul p->np_refcnt--; 511123535Swpaul 512123535Swpaul /* Release packet when refcount hits zero, otherwise return. */ 513123826Swpaul if (p->np_refcnt) 514268529Sglebius return; 515123536Swpaul 516151451Swpaul block = ((struct ndis_softc *)p->np_softc)->ndis_block; 517123858Swpaul 518151451Swpaul KeAcquireSpinLockAtDpcLevel(&block->nmb_returnlock); 519151451Swpaul InitializeListHead((&p->np_list)); 520151451Swpaul InsertHeadList((&block->nmb_returnlist), (&p->np_list)); 521151451Swpaul KeReleaseSpinLockFromDpcLevel(&block->nmb_returnlock); 522151451Swpaul 523151451Swpaul IoQueueWorkItem(block->nmb_returnitem, 524151451Swpaul (io_workitem_func)kernndis_functbl[7].ipt_wrap, 525151451Swpaul WORKQUEUE_CRITICAL, block); 526123474Swpaul} 527123474Swpaul 528123848Swpaulvoid 529123848Swpaulndis_free_bufs(b0) 530123848Swpaul ndis_buffer *b0; 531123848Swpaul{ 532123848Swpaul ndis_buffer *next; 533123848Swpaul 534123848Swpaul if (b0 == NULL) 535123848Swpaul return; 536123848Swpaul 537123848Swpaul while(b0 != NULL) { 538140751Swpaul next = b0->mdl_next; 539142530Swpaul IoFreeMdl(b0); 540123848Swpaul b0 = next; 541123848Swpaul } 542123848Swpaul} 543192692Santoine 544123848Swpaulvoid 545123848Swpaulndis_free_packet(p) 546123848Swpaul ndis_packet *p; 547123848Swpaul{ 548123848Swpaul if (p == NULL) 549123848Swpaul return; 550123848Swpaul 551123848Swpaul ndis_free_bufs(p->np_private.npp_head); 552141963Swpaul NdisFreePacket(p); 553123848Swpaul} 554123848Swpaul 555123474Swpaulint 556123474Swpaulndis_convert_res(arg) 557123474Swpaul void *arg; 558123474Swpaul{ 559123474Swpaul struct ndis_softc *sc; 560123474Swpaul ndis_resource_list *rl = NULL; 561123474Swpaul cm_partial_resource_desc *prd = NULL; 562123474Swpaul ndis_miniport_block *block; 563123976Swpaul device_t dev; 564123976Swpaul struct resource_list *brl; 565144176Swpaul struct resource_list_entry *brle; 566189488Sweongyo int error = 0; 567123474Swpaul 568123474Swpaul sc = arg; 569141524Swpaul block = sc->ndis_block; 570123976Swpaul dev = sc->ndis_dev; 571123474Swpaul 572123474Swpaul rl = malloc(sizeof(ndis_resource_list) + 573123474Swpaul (sizeof(cm_partial_resource_desc) * (sc->ndis_rescnt - 1)), 574123474Swpaul M_DEVBUF, M_NOWAIT|M_ZERO); 575123474Swpaul 576123474Swpaul if (rl == NULL) 577198786Srpaulo return (ENOMEM); 578123474Swpaul 579123474Swpaul rl->cprl_version = 5; 580247595Sdelphij rl->cprl_revision = 1; 581123474Swpaul rl->cprl_count = sc->ndis_rescnt; 582123474Swpaul prd = rl->cprl_partial_descs; 583123474Swpaul 584131953Swpaul brl = BUS_GET_RESOURCE_LIST(dev, dev); 585131953Swpaul 586123976Swpaul if (brl != NULL) { 587127411Swpaul 588144238Swpaul STAILQ_FOREACH(brle, brl, link) { 589123976Swpaul switch (brle->type) { 590123976Swpaul case SYS_RES_IOPORT: 591123976Swpaul prd->cprd_type = CmResourceTypePort; 592127552Swpaul prd->cprd_flags = CM_RESOURCE_PORT_IO; 593127552Swpaul prd->cprd_sharedisp = 594127552Swpaul CmResourceShareDeviceExclusive; 595123976Swpaul prd->u.cprd_port.cprd_start.np_quad = 596123976Swpaul brle->start; 597123976Swpaul prd->u.cprd_port.cprd_len = brle->count; 598123976Swpaul break; 599123976Swpaul case SYS_RES_MEMORY: 600123976Swpaul prd->cprd_type = CmResourceTypeMemory; 601127552Swpaul prd->cprd_flags = 602127552Swpaul CM_RESOURCE_MEMORY_READ_WRITE; 603127552Swpaul prd->cprd_sharedisp = 604127552Swpaul CmResourceShareDeviceExclusive; 605218985Sbrucec prd->u.cprd_mem.cprd_start.np_quad = 606123976Swpaul brle->start; 607218985Sbrucec prd->u.cprd_mem.cprd_len = brle->count; 608123976Swpaul break; 609123976Swpaul case SYS_RES_IRQ: 610123976Swpaul prd->cprd_type = CmResourceTypeInterrupt; 611127552Swpaul prd->cprd_flags = 0; 612151451Swpaul /* 613151451Swpaul * Always mark interrupt resources as 614151451Swpaul * shared, since in our implementation, 615151451Swpaul * they will be. 616151451Swpaul */ 617127552Swpaul prd->cprd_sharedisp = 618151451Swpaul CmResourceShareShared; 619123976Swpaul prd->u.cprd_intr.cprd_level = brle->start; 620123976Swpaul prd->u.cprd_intr.cprd_vector = brle->start; 621123976Swpaul prd->u.cprd_intr.cprd_affinity = 0; 622123976Swpaul break; 623123976Swpaul default: 624123976Swpaul break; 625123976Swpaul } 626123976Swpaul prd++; 627123976Swpaul } 628123474Swpaul } 629123474Swpaul 630123474Swpaul block->nmb_rlist = rl; 631123474Swpaul 632198786Srpaulo return (error); 633123474Swpaul} 634123474Swpaul 635123474Swpaul/* 636123474Swpaul * Map an NDIS packet to an mbuf list. When an NDIS driver receives a 637123474Swpaul * packet, it will hand it to us in the form of an ndis_packet, 638123474Swpaul * which we need to convert to an mbuf that is then handed off 639123474Swpaul * to the stack. Note: we configure the mbuf list so that it uses 640123474Swpaul * the memory regions specified by the ndis_buffer structures in 641123474Swpaul * the ndis_packet as external storage. In most cases, this will 642123474Swpaul * point to a memory region allocated by the driver (either by 643123474Swpaul * ndis_malloc_withtag() or ndis_alloc_sharedmem()). We expect 644123474Swpaul * the driver to handle free()ing this region for is, so we set up 645123474Swpaul * a dummy no-op free handler for it. 646123474Swpaul */ 647123474Swpaul 648123474Swpaulint 649123474Swpaulndis_ptom(m0, p) 650123474Swpaul struct mbuf **m0; 651123474Swpaul ndis_packet *p; 652123474Swpaul{ 653151207Swpaul struct mbuf *m = NULL, *prev = NULL; 654123474Swpaul ndis_buffer *buf; 655123474Swpaul ndis_packet_private *priv; 656123474Swpaul uint32_t totlen = 0; 657151207Swpaul struct ifnet *ifp; 658151207Swpaul struct ether_header *eh; 659151207Swpaul int diff; 660123474Swpaul 661123474Swpaul if (p == NULL || m0 == NULL) 662198786Srpaulo return (EINVAL); 663123474Swpaul 664123474Swpaul priv = &p->np_private; 665123474Swpaul buf = priv->npp_head; 666123826Swpaul p->np_refcnt = 0; 667123474Swpaul 668140751Swpaul for (buf = priv->npp_head; buf != NULL; buf = buf->mdl_next) { 669123474Swpaul if (buf == priv->npp_head) 670248324Sglebius m = m_gethdr(M_NOWAIT, MT_DATA); 671123474Swpaul else 672248324Sglebius m = m_get(M_NOWAIT, MT_DATA); 673123474Swpaul if (m == NULL) { 674123474Swpaul m_freem(*m0); 675123474Swpaul *m0 = NULL; 676198786Srpaulo return (ENOBUFS); 677123474Swpaul } 678140751Swpaul m->m_len = MmGetMdlByteCount(buf); 679140751Swpaul m->m_data = MmGetMdlVirtualAddress(buf); 680123535Swpaul MEXTADD(m, m->m_data, m->m_len, ndis_return_packet, 681175872Sphk m->m_data, p, 0, EXT_NDIS); 682123826Swpaul p->np_refcnt++; 683151207Swpaul 684123474Swpaul totlen += m->m_len; 685149632Sandre if (m->m_flags & M_PKTHDR) 686123474Swpaul *m0 = m; 687123474Swpaul else 688123474Swpaul prev->m_next = m; 689123474Swpaul prev = m; 690123474Swpaul } 691123474Swpaul 692151207Swpaul /* 693151207Swpaul * This is a hack to deal with the Marvell 8335 driver 694151207Swpaul * which, when associated with an AP in WPA-PSK mode, 695151207Swpaul * seems to overpad its frames by 8 bytes. I don't know 696151207Swpaul * that the extra 8 bytes are for, and they're not there 697151207Swpaul * in open mode, so for now clamp the frame size at 1514 698151207Swpaul * until I can figure out how to deal with this properly, 699151207Swpaul * otherwise if_ethersubr() will spank us by discarding 700151207Swpaul * the 'oversize' frames. 701151207Swpaul */ 702151207Swpaul 703151207Swpaul eh = mtod((*m0), struct ether_header *); 704319726Sglebius ifp = NDISUSB_GET_IFNET((struct ndis_softc *)p->np_softc); 705319726Sglebius if (ifp && totlen > ETHER_MAX_FRAME(ifp, eh->ether_type, FALSE)) { 706151207Swpaul diff = totlen - ETHER_MAX_FRAME(ifp, eh->ether_type, FALSE); 707151207Swpaul totlen -= diff; 708151207Swpaul m->m_len -= diff; 709151207Swpaul } 710123474Swpaul (*m0)->m_pkthdr.len = totlen; 711123474Swpaul 712198786Srpaulo return (0); 713123474Swpaul} 714123474Swpaul 715123474Swpaul/* 716144174Swpaul * Create an NDIS packet from an mbuf chain. 717123474Swpaul * This is used mainly when transmitting packets, where we need 718123474Swpaul * to turn an mbuf off an interface's send queue and transform it 719123474Swpaul * into an NDIS packet which will be fed into the NDIS driver's 720123474Swpaul * send routine. 721123474Swpaul * 722123474Swpaul * NDIS packets consist of two parts: an ndis_packet structure, 723298828Spfg * which is vaguely analogous to the pkthdr portion of an mbuf, 724123474Swpaul * and one or more ndis_buffer structures, which define the 725123474Swpaul * actual memory segments in which the packet data resides. 726123474Swpaul * We need to allocate one ndis_buffer for each mbuf in a chain, 727123474Swpaul * plus one ndis_packet as the header. 728123474Swpaul */ 729123474Swpaul 730123474Swpaulint 731123474Swpaulndis_mtop(m0, p) 732123474Swpaul struct mbuf *m0; 733123474Swpaul ndis_packet **p; 734123474Swpaul{ 735123474Swpaul struct mbuf *m; 736123474Swpaul ndis_buffer *buf = NULL, *prev = NULL; 737123474Swpaul ndis_packet_private *priv; 738123474Swpaul 739141963Swpaul if (p == NULL || *p == NULL || m0 == NULL) 740198786Srpaulo return (EINVAL); 741123474Swpaul 742123474Swpaul priv = &(*p)->np_private; 743123474Swpaul priv->npp_totlen = m0->m_pkthdr.len; 744123474Swpaul 745123474Swpaul for (m = m0; m != NULL; m = m->m_next) { 746123810Salfred if (m->m_len == 0) 747123474Swpaul continue; 748142530Swpaul buf = IoAllocateMdl(m->m_data, m->m_len, FALSE, FALSE, NULL); 749123474Swpaul if (buf == NULL) { 750123474Swpaul ndis_free_packet(*p); 751123474Swpaul *p = NULL; 752198786Srpaulo return (ENOMEM); 753123474Swpaul } 754151207Swpaul MmBuildMdlForNonPagedPool(buf); 755123474Swpaul 756123474Swpaul if (priv->npp_head == NULL) 757123474Swpaul priv->npp_head = buf; 758123474Swpaul else 759140751Swpaul prev->mdl_next = buf; 760123474Swpaul prev = buf; 761123474Swpaul } 762123474Swpaul 763123474Swpaul priv->npp_tail = buf; 764123474Swpaul 765198786Srpaulo return (0); 766123474Swpaul} 767123474Swpaul 768123474Swpaulint 769123474Swpaulndis_get_supported_oids(arg, oids, oidcnt) 770123474Swpaul void *arg; 771123474Swpaul ndis_oid **oids; 772123474Swpaul int *oidcnt; 773123474Swpaul{ 774123474Swpaul int len, rval; 775123474Swpaul ndis_oid *o; 776123474Swpaul 777123474Swpaul if (arg == NULL || oids == NULL || oidcnt == NULL) 778198786Srpaulo return (EINVAL); 779123474Swpaul len = 0; 780123474Swpaul ndis_get_info(arg, OID_GEN_SUPPORTED_LIST, NULL, &len); 781123474Swpaul 782123474Swpaul o = malloc(len, M_DEVBUF, M_NOWAIT); 783123474Swpaul if (o == NULL) 784198786Srpaulo return (ENOMEM); 785123474Swpaul 786123474Swpaul rval = ndis_get_info(arg, OID_GEN_SUPPORTED_LIST, o, &len); 787123474Swpaul 788123474Swpaul if (rval) { 789123474Swpaul free(o, M_DEVBUF); 790198786Srpaulo return (rval); 791123474Swpaul } 792123474Swpaul 793123474Swpaul *oids = o; 794123474Swpaul *oidcnt = len / 4; 795123474Swpaul 796198786Srpaulo return (0); 797123474Swpaul} 798123474Swpaul 799123474Swpaulint 800123474Swpaulndis_set_info(arg, oid, buf, buflen) 801123474Swpaul void *arg; 802123474Swpaul ndis_oid oid; 803123474Swpaul void *buf; 804123474Swpaul int *buflen; 805123474Swpaul{ 806123474Swpaul struct ndis_softc *sc; 807123474Swpaul ndis_status rval; 808123474Swpaul ndis_handle adapter; 809144888Swpaul ndis_setinfo_handler setfunc; 810123474Swpaul uint32_t byteswritten = 0, bytesneeded = 0; 811128229Swpaul uint8_t irql; 812151248Swpaul uint64_t duetime; 813123474Swpaul 814143204Swpaul /* 815143204Swpaul * According to the NDIS spec, MiniportQueryInformation() 816143204Swpaul * and MiniportSetInformation() requests are handled serially: 817143204Swpaul * once one request has been issued, we must wait for it to 818143204Swpaul * finish before allowing another request to proceed. 819143204Swpaul */ 820143204Swpaul 821123474Swpaul sc = arg; 822143204Swpaul 823180754Sweongyo KeResetEvent(&sc->ndis_block->nmb_setevent); 824180754Sweongyo 825144174Swpaul KeAcquireSpinLock(&sc->ndis_block->nmb_lock, &irql); 826144174Swpaul 827151248Swpaul if (sc->ndis_block->nmb_pendingreq != NULL) { 828151248Swpaul KeReleaseSpinLock(&sc->ndis_block->nmb_lock, irql); 829143204Swpaul panic("ndis_set_info() called while other request pending"); 830151248Swpaul } else 831143204Swpaul sc->ndis_block->nmb_pendingreq = (ndis_request *)sc; 832143204Swpaul 833141524Swpaul setfunc = sc->ndis_chars->nmc_setinfo_func; 834141524Swpaul adapter = sc->ndis_block->nmb_miniportadapterctx; 835123474Swpaul 836145898Swpaul if (adapter == NULL || setfunc == NULL || 837145898Swpaul sc->ndis_block->nmb_devicectx == NULL) { 838144317Swpaul sc->ndis_block->nmb_pendingreq = NULL; 839144174Swpaul KeReleaseSpinLock(&sc->ndis_block->nmb_lock, irql); 840198786Srpaulo return (ENXIO); 841143204Swpaul } 842125676Swpaul 843141963Swpaul rval = MSCALL6(setfunc, adapter, oid, buf, *buflen, 844123474Swpaul &byteswritten, &bytesneeded); 845123474Swpaul 846144174Swpaul sc->ndis_block->nmb_pendingreq = NULL; 847144174Swpaul 848144174Swpaul KeReleaseSpinLock(&sc->ndis_block->nmb_lock, irql); 849144174Swpaul 850123695Swpaul if (rval == NDIS_STATUS_PENDING) { 851151248Swpaul /* Wait up to 5 seconds. */ 852151248Swpaul duetime = (5 * 1000000) * -10; 853151248Swpaul KeWaitForSingleObject(&sc->ndis_block->nmb_setevent, 854151248Swpaul 0, 0, FALSE, &duetime); 855141524Swpaul rval = sc->ndis_block->nmb_setstat; 856145898Swpaul } 857123695Swpaul 858123474Swpaul if (byteswritten) 859123474Swpaul *buflen = byteswritten; 860123474Swpaul if (bytesneeded) 861123474Swpaul *buflen = bytesneeded; 862123474Swpaul 863123474Swpaul if (rval == NDIS_STATUS_INVALID_LENGTH) 864198786Srpaulo return (ENOSPC); 865123474Swpaul 866123474Swpaul if (rval == NDIS_STATUS_INVALID_OID) 867198786Srpaulo return (EINVAL); 868123474Swpaul 869123474Swpaul if (rval == NDIS_STATUS_NOT_SUPPORTED || 870123474Swpaul rval == NDIS_STATUS_NOT_ACCEPTED) 871198786Srpaulo return (ENOTSUP); 872123474Swpaul 873124809Swpaul if (rval != NDIS_STATUS_SUCCESS) 874198786Srpaulo return (ENODEV); 875124809Swpaul 876198786Srpaulo return (0); 877123474Swpaul} 878123474Swpaul 879124202Swpaultypedef void (*ndis_senddone_func)(ndis_handle, ndis_packet *, ndis_status); 880124202Swpaul 881123474Swpaulint 882123474Swpaulndis_send_packets(arg, packets, cnt) 883123474Swpaul void *arg; 884123474Swpaul ndis_packet **packets; 885123474Swpaul int cnt; 886123474Swpaul{ 887123474Swpaul struct ndis_softc *sc; 888123474Swpaul ndis_handle adapter; 889144888Swpaul ndis_sendmulti_handler sendfunc; 890144888Swpaul ndis_senddone_func senddonefunc; 891124202Swpaul int i; 892123858Swpaul ndis_packet *p; 893170487Smjacob uint8_t irql = 0; 894123474Swpaul 895123474Swpaul sc = arg; 896141524Swpaul adapter = sc->ndis_block->nmb_miniportadapterctx; 897125718Swpaul if (adapter == NULL) 898198786Srpaulo return (ENXIO); 899141524Swpaul sendfunc = sc->ndis_chars->nmc_sendmulti_func; 900141524Swpaul senddonefunc = sc->ndis_block->nmb_senddone_func; 901143204Swpaul 902144174Swpaul if (NDIS_SERIALIZED(sc->ndis_block)) 903143204Swpaul KeAcquireSpinLock(&sc->ndis_block->nmb_lock, &irql); 904144174Swpaul 905141963Swpaul MSCALL3(sendfunc, adapter, packets, cnt); 906123474Swpaul 907123858Swpaul for (i = 0; i < cnt; i++) { 908123858Swpaul p = packets[i]; 909124005Swpaul /* 910124005Swpaul * Either the driver already handed the packet to 911124005Swpaul * ndis_txeof() due to a failure, or it wants to keep 912124005Swpaul * it and release it asynchronously later. Skip to the 913124005Swpaul * next one. 914124005Swpaul */ 915124005Swpaul if (p == NULL || p->np_oob.npo_status == NDIS_STATUS_PENDING) 916123858Swpaul continue; 917141963Swpaul MSCALL3(senddonefunc, sc->ndis_block, p, p->np_oob.npo_status); 918123858Swpaul } 919123858Swpaul 920144174Swpaul if (NDIS_SERIALIZED(sc->ndis_block)) 921144174Swpaul KeReleaseSpinLock(&sc->ndis_block->nmb_lock, irql); 922144174Swpaul 923198786Srpaulo return (0); 924123474Swpaul} 925123474Swpaul 926123474Swpaulint 927125377Swpaulndis_send_packet(arg, packet) 928125377Swpaul void *arg; 929125377Swpaul ndis_packet *packet; 930125377Swpaul{ 931125377Swpaul struct ndis_softc *sc; 932125377Swpaul ndis_handle adapter; 933125377Swpaul ndis_status status; 934144888Swpaul ndis_sendsingle_handler sendfunc; 935144888Swpaul ndis_senddone_func senddonefunc; 936170487Smjacob uint8_t irql = 0; 937125377Swpaul 938125377Swpaul sc = arg; 939141524Swpaul adapter = sc->ndis_block->nmb_miniportadapterctx; 940125718Swpaul if (adapter == NULL) 941198786Srpaulo return (ENXIO); 942141524Swpaul sendfunc = sc->ndis_chars->nmc_sendsingle_func; 943141524Swpaul senddonefunc = sc->ndis_block->nmb_senddone_func; 944125377Swpaul 945144174Swpaul if (NDIS_SERIALIZED(sc->ndis_block)) 946143204Swpaul KeAcquireSpinLock(&sc->ndis_block->nmb_lock, &irql); 947141963Swpaul status = MSCALL3(sendfunc, adapter, packet, 948141963Swpaul packet->np_private.npp_flags); 949125377Swpaul 950144174Swpaul if (status == NDIS_STATUS_PENDING) { 951144174Swpaul if (NDIS_SERIALIZED(sc->ndis_block)) 952144174Swpaul KeReleaseSpinLock(&sc->ndis_block->nmb_lock, irql); 953198786Srpaulo return (0); 954144174Swpaul } 955125377Swpaul 956141963Swpaul MSCALL3(senddonefunc, sc->ndis_block, packet, status); 957125377Swpaul 958144174Swpaul if (NDIS_SERIALIZED(sc->ndis_block)) 959144174Swpaul KeReleaseSpinLock(&sc->ndis_block->nmb_lock, irql); 960144174Swpaul 961198786Srpaulo return (0); 962125377Swpaul} 963125377Swpaul 964125377Swpaulint 965123474Swpaulndis_init_dma(arg) 966123474Swpaul void *arg; 967123474Swpaul{ 968123474Swpaul struct ndis_softc *sc; 969123474Swpaul int i, error; 970123474Swpaul 971123474Swpaul sc = arg; 972123474Swpaul 973123474Swpaul sc->ndis_tmaps = malloc(sizeof(bus_dmamap_t) * sc->ndis_maxpkts, 974123474Swpaul M_DEVBUF, M_NOWAIT|M_ZERO); 975123474Swpaul 976123474Swpaul if (sc->ndis_tmaps == NULL) 977198786Srpaulo return (ENOMEM); 978123474Swpaul 979123474Swpaul for (i = 0; i < sc->ndis_maxpkts; i++) { 980123474Swpaul error = bus_dmamap_create(sc->ndis_ttag, 0, 981123474Swpaul &sc->ndis_tmaps[i]); 982123474Swpaul if (error) { 983123474Swpaul free(sc->ndis_tmaps, M_DEVBUF); 984198786Srpaulo return (ENODEV); 985123474Swpaul } 986123474Swpaul } 987123474Swpaul 988198786Srpaulo return (0); 989123474Swpaul} 990123474Swpaul 991123474Swpaulint 992123474Swpaulndis_destroy_dma(arg) 993123474Swpaul void *arg; 994123474Swpaul{ 995123474Swpaul struct ndis_softc *sc; 996123535Swpaul struct mbuf *m; 997123535Swpaul ndis_packet *p = NULL; 998123474Swpaul int i; 999123474Swpaul 1000123474Swpaul sc = arg; 1001123474Swpaul 1002123474Swpaul for (i = 0; i < sc->ndis_maxpkts; i++) { 1003123535Swpaul if (sc->ndis_txarray[i] != NULL) { 1004123535Swpaul p = sc->ndis_txarray[i]; 1005123535Swpaul m = (struct mbuf *)p->np_rsvd[1]; 1006123535Swpaul if (m != NULL) 1007123535Swpaul m_freem(m); 1008123535Swpaul ndis_free_packet(sc->ndis_txarray[i]); 1009123535Swpaul } 1010123474Swpaul bus_dmamap_destroy(sc->ndis_ttag, sc->ndis_tmaps[i]); 1011123474Swpaul } 1012123474Swpaul 1013123474Swpaul free(sc->ndis_tmaps, M_DEVBUF); 1014123474Swpaul 1015123474Swpaul bus_dma_tag_destroy(sc->ndis_ttag); 1016123474Swpaul 1017198786Srpaulo return (0); 1018123474Swpaul} 1019123474Swpaul 1020123474Swpaulint 1021123474Swpaulndis_reset_nic(arg) 1022123474Swpaul void *arg; 1023123474Swpaul{ 1024123474Swpaul struct ndis_softc *sc; 1025123474Swpaul ndis_handle adapter; 1026144888Swpaul ndis_reset_handler resetfunc; 1027123474Swpaul uint8_t addressing_reset; 1028127887Swpaul int rval; 1029170487Smjacob uint8_t irql = 0; 1030123474Swpaul 1031123474Swpaul sc = arg; 1032143204Swpaul 1033145898Swpaul NDIS_LOCK(sc); 1034141524Swpaul adapter = sc->ndis_block->nmb_miniportadapterctx; 1035141524Swpaul resetfunc = sc->ndis_chars->nmc_reset_func; 1036143204Swpaul 1037145898Swpaul if (adapter == NULL || resetfunc == NULL || 1038145898Swpaul sc->ndis_block->nmb_devicectx == NULL) { 1039145898Swpaul NDIS_UNLOCK(sc); 1040198786Srpaulo return (EIO); 1041145898Swpaul } 1042123474Swpaul 1043145898Swpaul NDIS_UNLOCK(sc); 1044145895Swpaul 1045180754Sweongyo KeResetEvent(&sc->ndis_block->nmb_resetevent); 1046180754Sweongyo 1047144174Swpaul if (NDIS_SERIALIZED(sc->ndis_block)) 1048144174Swpaul KeAcquireSpinLock(&sc->ndis_block->nmb_lock, &irql); 1049144174Swpaul 1050141963Swpaul rval = MSCALL2(resetfunc, &addressing_reset, adapter); 1051128229Swpaul 1052144174Swpaul if (NDIS_SERIALIZED(sc->ndis_block)) 1053144174Swpaul KeReleaseSpinLock(&sc->ndis_block->nmb_lock, irql); 1054144174Swpaul 1055180754Sweongyo if (rval == NDIS_STATUS_PENDING) 1056151248Swpaul KeWaitForSingleObject(&sc->ndis_block->nmb_resetevent, 1057151248Swpaul 0, 0, FALSE, NULL); 1058123474Swpaul 1059198786Srpaulo return (0); 1060123474Swpaul} 1061123474Swpaul 1062123474Swpaulint 1063123474Swpaulndis_halt_nic(arg) 1064123474Swpaul void *arg; 1065123474Swpaul{ 1066123474Swpaul struct ndis_softc *sc; 1067123474Swpaul ndis_handle adapter; 1068144888Swpaul ndis_halt_handler haltfunc; 1069151451Swpaul ndis_miniport_block *block; 1070151451Swpaul int empty = 0; 1071151451Swpaul uint8_t irql; 1072123474Swpaul 1073123474Swpaul sc = arg; 1074151451Swpaul block = sc->ndis_block; 1075125718Swpaul 1076146427Swpaul if (!cold) 1077146427Swpaul KeFlushQueuedDpcs(); 1078145895Swpaul 1079151451Swpaul /* 1080151451Swpaul * Wait for all packets to be returned. 1081151451Swpaul */ 1082151451Swpaul 1083151451Swpaul while (1) { 1084151451Swpaul KeAcquireSpinLock(&block->nmb_returnlock, &irql); 1085151451Swpaul empty = IsListEmpty(&block->nmb_returnlist); 1086151451Swpaul KeReleaseSpinLock(&block->nmb_returnlock, irql); 1087151451Swpaul if (empty) 1088151451Swpaul break; 1089151451Swpaul NdisMSleep(1000); 1090151451Swpaul } 1091151451Swpaul 1092146230Swpaul NDIS_LOCK(sc); 1093146230Swpaul adapter = sc->ndis_block->nmb_miniportadapterctx; 1094146230Swpaul if (adapter == NULL) { 1095146230Swpaul NDIS_UNLOCK(sc); 1096198786Srpaulo return (EIO); 1097146230Swpaul } 1098146230Swpaul 1099146230Swpaul sc->ndis_block->nmb_devicectx = NULL; 1100146230Swpaul 1101145895Swpaul /* 1102123474Swpaul * The adapter context is only valid after the init 1103123474Swpaul * handler has been called, and is invalid once the 1104123474Swpaul * halt handler has been called. 1105123474Swpaul */ 1106123474Swpaul 1107141524Swpaul haltfunc = sc->ndis_chars->nmc_halt_func; 1108125718Swpaul NDIS_UNLOCK(sc); 1109125718Swpaul 1110141963Swpaul MSCALL1(haltfunc, adapter); 1111125718Swpaul 1112151207Swpaul NDIS_LOCK(sc); 1113151207Swpaul sc->ndis_block->nmb_miniportadapterctx = NULL; 1114151207Swpaul NDIS_UNLOCK(sc); 1115151207Swpaul 1116198786Srpaulo return (0); 1117123474Swpaul} 1118123474Swpaul 1119123474Swpaulint 1120123474Swpaulndis_shutdown_nic(arg) 1121123474Swpaul void *arg; 1122123474Swpaul{ 1123123474Swpaul struct ndis_softc *sc; 1124123474Swpaul ndis_handle adapter; 1125144888Swpaul ndis_shutdown_handler shutdownfunc; 1126123474Swpaul 1127123474Swpaul sc = arg; 1128125718Swpaul NDIS_LOCK(sc); 1129141524Swpaul adapter = sc->ndis_block->nmb_miniportadapterctx; 1130141524Swpaul shutdownfunc = sc->ndis_chars->nmc_shutdown_handler; 1131125718Swpaul NDIS_UNLOCK(sc); 1132125718Swpaul if (adapter == NULL || shutdownfunc == NULL) 1133198786Srpaulo return (EIO); 1134123474Swpaul 1135141524Swpaul if (sc->ndis_chars->nmc_rsvd0 == NULL) 1136141963Swpaul MSCALL1(shutdownfunc, adapter); 1137123485Swpaul else 1138141963Swpaul MSCALL1(shutdownfunc, sc->ndis_chars->nmc_rsvd0); 1139123474Swpaul 1140141524Swpaul TAILQ_REMOVE(&ndis_devhead, sc->ndis_block, link); 1141125006Swpaul 1142198786Srpaulo return (0); 1143123474Swpaul} 1144123474Swpaul 1145123474Swpaulint 1146186507Sweongyondis_pnpevent_nic(arg, type) 1147186507Sweongyo void *arg; 1148186507Sweongyo int type; 1149186507Sweongyo{ 1150186509Sweongyo device_t dev; 1151186507Sweongyo struct ndis_softc *sc; 1152186507Sweongyo ndis_handle adapter; 1153186507Sweongyo ndis_pnpevent_handler pnpeventfunc; 1154186507Sweongyo 1155186509Sweongyo dev = arg; 1156186509Sweongyo sc = device_get_softc(arg); 1157186507Sweongyo NDIS_LOCK(sc); 1158186507Sweongyo adapter = sc->ndis_block->nmb_miniportadapterctx; 1159186507Sweongyo pnpeventfunc = sc->ndis_chars->nmc_pnpevent_handler; 1160186507Sweongyo NDIS_UNLOCK(sc); 1161186507Sweongyo if (adapter == NULL || pnpeventfunc == NULL) 1162198786Srpaulo return (EIO); 1163186507Sweongyo 1164186507Sweongyo if (sc->ndis_chars->nmc_rsvd0 == NULL) 1165186507Sweongyo MSCALL4(pnpeventfunc, adapter, type, NULL, 0); 1166186507Sweongyo else 1167186507Sweongyo MSCALL4(pnpeventfunc, sc->ndis_chars->nmc_rsvd0, type, NULL, 0); 1168186507Sweongyo 1169186507Sweongyo return (0); 1170186507Sweongyo} 1171186507Sweongyo 1172186507Sweongyoint 1173123474Swpaulndis_init_nic(arg) 1174123474Swpaul void *arg; 1175123474Swpaul{ 1176123474Swpaul struct ndis_softc *sc; 1177123474Swpaul ndis_miniport_block *block; 1178189488Sweongyo ndis_init_handler initfunc; 1179123474Swpaul ndis_status status, openstatus = 0; 1180123474Swpaul ndis_medium mediumarray[NdisMediumMax]; 1181123474Swpaul uint32_t chosenmedium, i; 1182123474Swpaul 1183123474Swpaul if (arg == NULL) 1184198786Srpaulo return (EINVAL); 1185123474Swpaul 1186123474Swpaul sc = arg; 1187125718Swpaul NDIS_LOCK(sc); 1188141524Swpaul block = sc->ndis_block; 1189141524Swpaul initfunc = sc->ndis_chars->nmc_init_func; 1190125718Swpaul NDIS_UNLOCK(sc); 1191123474Swpaul 1192145895Swpaul sc->ndis_block->nmb_timerlist = NULL; 1193145895Swpaul 1194123474Swpaul for (i = 0; i < NdisMediumMax; i++) 1195123474Swpaul mediumarray[i] = i; 1196123474Swpaul 1197189488Sweongyo status = MSCALL6(initfunc, &openstatus, &chosenmedium, 1198189488Sweongyo mediumarray, NdisMediumMax, block, block); 1199123474Swpaul 1200123474Swpaul /* 1201123474Swpaul * If the init fails, blow away the other exported routines 1202123474Swpaul * we obtained from the driver so we can't call them later. 1203123474Swpaul * If the init failed, none of these will work. 1204123474Swpaul */ 1205123474Swpaul if (status != NDIS_STATUS_SUCCESS) { 1206125718Swpaul NDIS_LOCK(sc); 1207141524Swpaul sc->ndis_block->nmb_miniportadapterctx = NULL; 1208125718Swpaul NDIS_UNLOCK(sc); 1209198816Srpaulo return (ENXIO); 1210123474Swpaul } 1211123474Swpaul 1212145895Swpaul /* 1213145895Swpaul * This may look really goofy, but apparently it is possible 1214145895Swpaul * to halt a miniport too soon after it's been initialized. 1215145895Swpaul * After MiniportInitialize() finishes, pause for 1 second 1216145895Swpaul * to give the chip a chance to handle any short-lived timers 1217145895Swpaul * that were set in motion. If we call MiniportHalt() too soon, 1218145895Swpaul * some of the timers may not be cancelled, because the driver 1219145895Swpaul * expects them to fire before the halt is called. 1220145895Swpaul */ 1221145895Swpaul 1222166909Sjhb pause("ndwait", hz); 1223145895Swpaul 1224145898Swpaul NDIS_LOCK(sc); 1225145898Swpaul sc->ndis_block->nmb_devicectx = sc; 1226145898Swpaul NDIS_UNLOCK(sc); 1227145898Swpaul 1228198786Srpaulo return (0); 1229123474Swpaul} 1230123474Swpaul 1231144888Swpaulstatic void 1232151207Swpaulndis_intrsetup(dpc, dobj, ip, sc) 1233144174Swpaul kdpc *dpc; 1234144174Swpaul device_object *dobj; 1235144174Swpaul irp *ip; 1236144174Swpaul struct ndis_softc *sc; 1237123474Swpaul{ 1238151207Swpaul ndis_miniport_interrupt *intr; 1239123474Swpaul 1240151207Swpaul intr = sc->ndis_block->nmb_interrupt; 1241143204Swpaul 1242151207Swpaul /* Sanity check. */ 1243151207Swpaul 1244151207Swpaul if (intr == NULL) 1245144174Swpaul return; 1246125718Swpaul 1247151207Swpaul KeAcquireSpinLockAtDpcLevel(&intr->ni_dpccountlock); 1248151207Swpaul KeResetEvent(&intr->ni_dpcevt); 1249151207Swpaul if (KeInsertQueueDpc(&intr->ni_dpc, NULL, NULL) == TRUE) 1250151207Swpaul intr->ni_dpccnt++; 1251151207Swpaul KeReleaseSpinLockFromDpcLevel(&intr->ni_dpccountlock); 1252123474Swpaul} 1253123474Swpaul 1254123474Swpaulint 1255123474Swpaulndis_get_info(arg, oid, buf, buflen) 1256123474Swpaul void *arg; 1257123474Swpaul ndis_oid oid; 1258123474Swpaul void *buf; 1259123474Swpaul int *buflen; 1260123474Swpaul{ 1261123474Swpaul struct ndis_softc *sc; 1262123474Swpaul ndis_status rval; 1263123474Swpaul ndis_handle adapter; 1264144888Swpaul ndis_queryinfo_handler queryfunc; 1265123474Swpaul uint32_t byteswritten = 0, bytesneeded = 0; 1266128229Swpaul uint8_t irql; 1267151248Swpaul uint64_t duetime; 1268145895Swpaul 1269144174Swpaul sc = arg; 1270145898Swpaul 1271180754Sweongyo KeResetEvent(&sc->ndis_block->nmb_getevent); 1272180754Sweongyo 1273144174Swpaul KeAcquireSpinLock(&sc->ndis_block->nmb_lock, &irql); 1274123474Swpaul 1275151248Swpaul if (sc->ndis_block->nmb_pendingreq != NULL) { 1276151248Swpaul KeReleaseSpinLock(&sc->ndis_block->nmb_lock, irql); 1277143204Swpaul panic("ndis_get_info() called while other request pending"); 1278151248Swpaul } else 1279143204Swpaul sc->ndis_block->nmb_pendingreq = (ndis_request *)sc; 1280143204Swpaul 1281141524Swpaul queryfunc = sc->ndis_chars->nmc_queryinfo_func; 1282141524Swpaul adapter = sc->ndis_block->nmb_miniportadapterctx; 1283123474Swpaul 1284145898Swpaul if (adapter == NULL || queryfunc == NULL || 1285145898Swpaul sc->ndis_block->nmb_devicectx == NULL) { 1286144317Swpaul sc->ndis_block->nmb_pendingreq = NULL; 1287144174Swpaul KeReleaseSpinLock(&sc->ndis_block->nmb_lock, irql); 1288198786Srpaulo return (ENXIO); 1289143204Swpaul } 1290125676Swpaul 1291141963Swpaul rval = MSCALL6(queryfunc, adapter, oid, buf, *buflen, 1292123474Swpaul &byteswritten, &bytesneeded); 1293123474Swpaul 1294144174Swpaul sc->ndis_block->nmb_pendingreq = NULL; 1295144174Swpaul 1296144174Swpaul KeReleaseSpinLock(&sc->ndis_block->nmb_lock, irql); 1297144174Swpaul 1298123695Swpaul /* Wait for requests that block. */ 1299123695Swpaul 1300123695Swpaul if (rval == NDIS_STATUS_PENDING) { 1301151248Swpaul /* Wait up to 5 seconds. */ 1302151248Swpaul duetime = (5 * 1000000) * -10; 1303151248Swpaul KeWaitForSingleObject(&sc->ndis_block->nmb_getevent, 1304151248Swpaul 0, 0, FALSE, &duetime); 1305141524Swpaul rval = sc->ndis_block->nmb_getstat; 1306145898Swpaul } 1307123695Swpaul 1308123474Swpaul if (byteswritten) 1309123474Swpaul *buflen = byteswritten; 1310123474Swpaul if (bytesneeded) 1311123474Swpaul *buflen = bytesneeded; 1312123474Swpaul 1313123474Swpaul if (rval == NDIS_STATUS_INVALID_LENGTH || 1314123474Swpaul rval == NDIS_STATUS_BUFFER_TOO_SHORT) 1315198786Srpaulo return (ENOSPC); 1316123474Swpaul 1317123474Swpaul if (rval == NDIS_STATUS_INVALID_OID) 1318198786Srpaulo return (EINVAL); 1319123474Swpaul 1320123474Swpaul if (rval == NDIS_STATUS_NOT_SUPPORTED || 1321123474Swpaul rval == NDIS_STATUS_NOT_ACCEPTED) 1322198786Srpaulo return (ENOTSUP); 1323123474Swpaul 1324124809Swpaul if (rval != NDIS_STATUS_SUCCESS) 1325198786Srpaulo return (ENODEV); 1326124809Swpaul 1327198786Srpaulo return (0); 1328123474Swpaul} 1329123474Swpaul 1330144888Swpauluint32_t 1331141524SwpaulNdisAddDevice(drv, pdo) 1332141524Swpaul driver_object *drv; 1333141524Swpaul device_object *pdo; 1334123474Swpaul{ 1335141524Swpaul device_object *fdo; 1336141524Swpaul ndis_miniport_block *block; 1337123474Swpaul struct ndis_softc *sc; 1338141524Swpaul uint32_t status; 1339151451Swpaul int error; 1340123474Swpaul 1341151451Swpaul sc = device_get_softc(pdo->do_devext); 1342151451Swpaul 1343189488Sweongyo if (sc->ndis_iftype == PCMCIABus || sc->ndis_iftype == PCIBus) { 1344151451Swpaul error = bus_setup_intr(sc->ndis_dev, sc->ndis_irq, 1345151451Swpaul INTR_TYPE_NET | INTR_MPSAFE, 1346166901Spiso NULL, ntoskrnl_intr, NULL, &sc->ndis_intrhand); 1347151451Swpaul if (error) 1348198786Srpaulo return (NDIS_STATUS_FAILURE); 1349151451Swpaul } 1350151451Swpaul 1351141524Swpaul status = IoCreateDevice(drv, sizeof(ndis_miniport_block), NULL, 1352141524Swpaul FILE_DEVICE_UNKNOWN, 0, FALSE, &fdo); 1353123474Swpaul 1354141524Swpaul if (status != STATUS_SUCCESS) 1355198786Srpaulo return (status); 1356123474Swpaul 1357141524Swpaul block = fdo->do_devext; 1358146230Swpaul 1359146230Swpaul block->nmb_filterdbs.nf_ethdb = block; 1360141524Swpaul block->nmb_deviceobj = fdo; 1361141524Swpaul block->nmb_physdeviceobj = pdo; 1362141524Swpaul block->nmb_nextdeviceobj = IoAttachDeviceToDeviceStack(fdo, pdo); 1363141524Swpaul KeInitializeSpinLock(&block->nmb_lock); 1364151451Swpaul KeInitializeSpinLock(&block->nmb_returnlock); 1365151248Swpaul KeInitializeEvent(&block->nmb_getevent, EVENT_TYPE_NOTIFY, TRUE); 1366151248Swpaul KeInitializeEvent(&block->nmb_setevent, EVENT_TYPE_NOTIFY, TRUE); 1367151248Swpaul KeInitializeEvent(&block->nmb_resetevent, EVENT_TYPE_NOTIFY, TRUE); 1368151451Swpaul InitializeListHead(&block->nmb_parmlist); 1369151451Swpaul InitializeListHead(&block->nmb_returnlist); 1370151451Swpaul block->nmb_returnitem = IoAllocateWorkItem(fdo); 1371123474Swpaul 1372124446Swpaul /* 1373141524Swpaul * Stash pointers to the miniport block and miniport 1374141524Swpaul * characteristics info in the if_ndis softc so the 1375141524Swpaul * UNIX wrapper driver can get to them later. 1376189488Sweongyo */ 1377141524Swpaul sc->ndis_block = block; 1378141524Swpaul sc->ndis_chars = IoGetDriverObjectExtension(drv, (void *)1); 1379141963Swpaul 1380146230Swpaul /* 1381146230Swpaul * If the driver has a MiniportTransferData() function, 1382146230Swpaul * we should allocate a private RX packet pool. 1383146230Swpaul */ 1384146230Swpaul 1385146230Swpaul if (sc->ndis_chars->nmc_transferdata_func != NULL) { 1386146230Swpaul NdisAllocatePacketPool(&status, &block->nmb_rxpool, 1387146230Swpaul 32, PROTOCOL_RESERVED_SIZE_IN_PACKET); 1388146230Swpaul if (status != NDIS_STATUS_SUCCESS) { 1389146230Swpaul IoDetachDevice(block->nmb_nextdeviceobj); 1390146230Swpaul IoDeleteDevice(fdo); 1391198786Srpaulo return (status); 1392146230Swpaul } 1393151207Swpaul InitializeListHead((&block->nmb_packetlist)); 1394146230Swpaul } 1395146230Swpaul 1396145895Swpaul /* Give interrupt handling priority over timers. */ 1397144495Swpaul IoInitializeDpcRequest(fdo, kernndis_functbl[6].ipt_wrap); 1398145895Swpaul KeSetImportanceDpc(&fdo->do_dpc, KDPC_IMPORTANCE_HIGH); 1399144174Swpaul 1400141524Swpaul /* Finish up BSD-specific setup. */ 1401123474Swpaul 1402123474Swpaul block->nmb_signature = (void *)0xcafebabe; 1403141963Swpaul block->nmb_status_func = kernndis_functbl[0].ipt_wrap; 1404141963Swpaul block->nmb_statusdone_func = kernndis_functbl[1].ipt_wrap; 1405141963Swpaul block->nmb_setdone_func = kernndis_functbl[2].ipt_wrap; 1406141963Swpaul block->nmb_querydone_func = kernndis_functbl[3].ipt_wrap; 1407141963Swpaul block->nmb_resetdone_func = kernndis_functbl[4].ipt_wrap; 1408141963Swpaul block->nmb_sendrsrc_func = kernndis_functbl[5].ipt_wrap; 1409143204Swpaul block->nmb_pendingreq = NULL; 1410123474Swpaul 1411141524Swpaul TAILQ_INSERT_TAIL(&ndis_devhead, block, link); 1412125551Swpaul 1413141524Swpaul return (STATUS_SUCCESS); 1414141524Swpaul} 1415125551Swpaul 1416141524Swpaulint 1417141524Swpaulndis_unload_driver(arg) 1418141524Swpaul void *arg; 1419141524Swpaul{ 1420141524Swpaul struct ndis_softc *sc; 1421141524Swpaul device_object *fdo; 1422125551Swpaul 1423141524Swpaul sc = arg; 1424124697Swpaul 1425151451Swpaul if (sc->ndis_intrhand) 1426151451Swpaul bus_teardown_intr(sc->ndis_dev, 1427151451Swpaul sc->ndis_irq, sc->ndis_intrhand); 1428151451Swpaul 1429142387Swpaul if (sc->ndis_block->nmb_rlist != NULL) 1430142387Swpaul free(sc->ndis_block->nmb_rlist, M_DEVBUF); 1431125006Swpaul 1432141524Swpaul ndis_flush_sysctls(sc); 1433141524Swpaul 1434141524Swpaul TAILQ_REMOVE(&ndis_devhead, sc->ndis_block, link); 1435141524Swpaul 1436146230Swpaul if (sc->ndis_chars->nmc_transferdata_func != NULL) 1437146230Swpaul NdisFreePacketPool(sc->ndis_block->nmb_rxpool); 1438141524Swpaul fdo = sc->ndis_block->nmb_deviceobj; 1439151451Swpaul IoFreeWorkItem(sc->ndis_block->nmb_returnitem); 1440141524Swpaul IoDetachDevice(sc->ndis_block->nmb_nextdeviceobj); 1441141524Swpaul IoDeleteDevice(fdo); 1442141524Swpaul 1443198786Srpaulo return (0); 1444123474Swpaul} 1445