1/*- 2 * Copyright (c) 2005 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: stable/11/sys/dev/if_ndis/if_ndis_usb.c 368650 2020-12-14 22:53:19Z brooks $"); 35 36#include <sys/param.h> 37#include <sys/systm.h> 38#include <sys/sockio.h> 39#include <sys/module.h> 40#include <sys/malloc.h> 41#include <sys/kernel.h> 42#include <sys/socket.h> 43#include <sys/sysctl.h> 44 45#include <net/if.h> 46#include <net/if_var.h> 47#include <net/if_arp.h> 48#include <net/ethernet.h> 49#include <net/if_dl.h> 50#include <net/if_media.h> 51 52#include <net/bpf.h> 53 54#include <sys/bus.h> 55#include <machine/bus.h> 56#include <dev/usb/usb.h> 57#include <dev/usb/usbdi.h> 58 59#include <net80211/ieee80211_var.h> 60 61#include <compat/ndis/pe_var.h> 62#include <compat/ndis/cfg_var.h> 63#include <compat/ndis/resource_var.h> 64#include <compat/ndis/ntoskrnl_var.h> 65#include <compat/ndis/ndis_var.h> 66#include <compat/ndis/usbd_var.h> 67#include <dev/if_ndis/if_ndisvar.h> 68 69SYSCTL_NODE(_hw, OID_AUTO, ndisusb, CTLFLAG_RD, 0, "NDIS USB driver parameters"); 70 71MODULE_DEPEND(ndis, usb, 1, 1, 1); 72 73static device_probe_t ndisusb_match; 74static device_attach_t ndisusb_attach; 75static device_detach_t ndisusb_detach; 76static bus_get_resource_list_t ndis_get_resource_list; 77 78extern int ndisdrv_modevent (module_t, int, void *); 79extern int ndis_attach (device_t); 80extern int ndis_shutdown (device_t); 81extern int ndis_detach (device_t); 82extern int ndis_suspend (device_t); 83extern int ndis_resume (device_t); 84 85extern unsigned char drv_data[]; 86 87static device_method_t ndis_methods[] = { 88 /* Device interface */ 89 DEVMETHOD(device_probe, ndisusb_match), 90 DEVMETHOD(device_attach, ndisusb_attach), 91 DEVMETHOD(device_detach, ndisusb_detach), 92 DEVMETHOD(device_shutdown, ndis_shutdown), 93 94 /* bus interface */ 95 DEVMETHOD(bus_get_resource_list, ndis_get_resource_list), 96 97 DEVMETHOD_END 98}; 99 100static driver_t ndis_driver = { 101 "ndis", 102 ndis_methods, 103 sizeof(struct ndis_softc) 104}; 105 106static devclass_t ndis_devclass; 107 108DRIVER_MODULE(ndis, uhub, ndis_driver, ndis_devclass, ndisdrv_modevent, 0); 109 110static int 111ndisusb_devcompare(interface_type bustype, struct ndis_usb_type *t, device_t dev) 112{ 113 struct usb_attach_arg *uaa; 114 115 if (bustype != PNPBus) 116 return (FALSE); 117 118 uaa = device_get_ivars(dev); 119 120 while (t->ndis_name != NULL) { 121 if ((uaa->info.idVendor == t->ndis_vid) && 122 (uaa->info.idProduct == t->ndis_did)) { 123 device_set_desc(dev, t->ndis_name); 124 return (TRUE); 125 } 126 t++; 127 } 128 129 return (FALSE); 130} 131 132static int 133ndisusb_match(device_t self) 134{ 135 struct drvdb_ent *db; 136 struct usb_attach_arg *uaa = device_get_ivars(self); 137 138 if (uaa->usb_mode != USB_MODE_HOST) 139 return (ENXIO); 140 if (uaa->info.bConfigIndex != NDISUSB_CONFIG_NO) 141 return (ENXIO); 142 if (uaa->info.bIfaceIndex != NDISUSB_IFACE_INDEX) 143 return (ENXIO); 144 145 if (windrv_lookup(0, "USB Bus") == NULL) 146 return (ENXIO); 147 148 db = windrv_match((matchfuncptr)ndisusb_devcompare, self); 149 if (db == NULL) 150 return (ENXIO); 151 uaa->driver_ivar = db; 152 153 return (0); 154} 155 156static int 157ndisusb_attach(device_t self) 158{ 159 const struct drvdb_ent *db; 160 struct ndisusb_softc *dummy = device_get_softc(self); 161 struct usb_attach_arg *uaa = device_get_ivars(self); 162 struct ndis_softc *sc; 163 struct ndis_usb_type *t; 164 driver_object *drv; 165 int devidx = 0; 166 167 device_set_usb_desc(self); 168 db = uaa->driver_ivar; 169 sc = (struct ndis_softc *)dummy; 170 sc->ndis_dev = self; 171 mtx_init(&sc->ndisusb_mtx, "NDIS USB", MTX_NETWORK_LOCK, MTX_DEF); 172 sc->ndis_dobj = db->windrv_object; 173 sc->ndis_regvals = db->windrv_regvals; 174 sc->ndis_iftype = PNPBus; 175 sc->ndisusb_dev = uaa->device; 176 177 /* Create PDO for this device instance */ 178 179 drv = windrv_lookup(0, "USB Bus"); 180 windrv_create_pdo(drv, self); 181 182 /* Figure out exactly which device we matched. */ 183 184 t = db->windrv_devlist; 185 186 while (t->ndis_name != NULL) { 187 if ((uaa->info.idVendor == t->ndis_vid) && 188 (uaa->info.idProduct == t->ndis_did)) { 189 sc->ndis_devidx = devidx; 190 break; 191 } 192 t++; 193 devidx++; 194 } 195 196 if (ndis_attach(self) != 0) 197 return (ENXIO); 198 199 gone_in_dev(self, 13, "ndis removed"); 200 201 return (0); 202} 203 204static int 205ndisusb_detach(device_t self) 206{ 207 int i; 208 struct ndis_softc *sc = device_get_softc(self); 209 struct ndisusb_ep *ne; 210 211 sc->ndisusb_status |= NDISUSB_STATUS_DETACH; 212 213 ndis_pnpevent_nic(self, NDIS_PNP_EVENT_SURPRISE_REMOVED); 214 215 if (sc->ndisusb_status & NDISUSB_STATUS_SETUP_EP) { 216 usbd_transfer_unsetup(sc->ndisusb_dread_ep.ne_xfer, 1); 217 usbd_transfer_unsetup(sc->ndisusb_dwrite_ep.ne_xfer, 1); 218 } 219 for (i = 0; i < NDISUSB_ENDPT_MAX; i++) { 220 ne = &sc->ndisusb_ep[i]; 221 usbd_transfer_unsetup(ne->ne_xfer, 1); 222 } 223 224 (void)ndis_detach(self); 225 226 mtx_destroy(&sc->ndisusb_mtx); 227 return (0); 228} 229 230static struct resource_list * 231ndis_get_resource_list(device_t dev, device_t child) 232{ 233 struct ndis_softc *sc; 234 235 sc = device_get_softc(dev); 236 return (BUS_GET_RESOURCE_LIST(device_get_parent(sc->ndis_dev), dev)); 237} 238