if_ndis_usb.c revision 330897
1/*- 2 * SPDX-License-Identifier: BSD-4-Clause 3 * 4 * Copyright (c) 2005 5 * Bill Paul <wpaul@windriver.com>. All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 3. All advertising materials mentioning features or use of this software 16 * must display the following acknowledgement: 17 * This product includes software developed by Bill Paul. 18 * 4. Neither the name of the author nor the names of any co-contributors 19 * may be used to endorse or promote products derived from this software 20 * without specific prior written permission. 21 * 22 * THIS SOFTWARE IS PROVIDED BY Bill Paul AND CONTRIBUTORS ``AS IS'' AND 23 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 24 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 25 * ARE DISCLAIMED. IN NO EVENT SHALL Bill Paul OR THE VOICES IN HIS HEAD 26 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 27 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 28 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 29 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 30 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 31 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF 32 * THE POSSIBILITY OF SUCH DAMAGE. 33 */ 34 35#include <sys/cdefs.h> 36__FBSDID("$FreeBSD: stable/11/sys/dev/if_ndis/if_ndis_usb.c 330897 2018-03-14 03:19:51Z eadler $"); 37 38#include <sys/param.h> 39#include <sys/systm.h> 40#include <sys/sockio.h> 41#include <sys/module.h> 42#include <sys/malloc.h> 43#include <sys/kernel.h> 44#include <sys/socket.h> 45#include <sys/sysctl.h> 46 47#include <net/if.h> 48#include <net/if_var.h> 49#include <net/if_arp.h> 50#include <net/ethernet.h> 51#include <net/if_dl.h> 52#include <net/if_media.h> 53 54#include <net/bpf.h> 55 56#include <sys/bus.h> 57#include <machine/bus.h> 58#include <dev/usb/usb.h> 59#include <dev/usb/usbdi.h> 60 61#include <net80211/ieee80211_var.h> 62 63#include <compat/ndis/pe_var.h> 64#include <compat/ndis/cfg_var.h> 65#include <compat/ndis/resource_var.h> 66#include <compat/ndis/ntoskrnl_var.h> 67#include <compat/ndis/ndis_var.h> 68#include <compat/ndis/usbd_var.h> 69#include <dev/if_ndis/if_ndisvar.h> 70 71SYSCTL_NODE(_hw, OID_AUTO, ndisusb, CTLFLAG_RD, 0, "NDIS USB driver parameters"); 72 73MODULE_DEPEND(ndis, usb, 1, 1, 1); 74 75static device_probe_t ndisusb_match; 76static device_attach_t ndisusb_attach; 77static device_detach_t ndisusb_detach; 78static bus_get_resource_list_t ndis_get_resource_list; 79 80extern int ndisdrv_modevent (module_t, int, void *); 81extern int ndis_attach (device_t); 82extern int ndis_shutdown (device_t); 83extern int ndis_detach (device_t); 84extern int ndis_suspend (device_t); 85extern int ndis_resume (device_t); 86 87extern unsigned char drv_data[]; 88 89static device_method_t ndis_methods[] = { 90 /* Device interface */ 91 DEVMETHOD(device_probe, ndisusb_match), 92 DEVMETHOD(device_attach, ndisusb_attach), 93 DEVMETHOD(device_detach, ndisusb_detach), 94 DEVMETHOD(device_shutdown, ndis_shutdown), 95 96 /* bus interface */ 97 DEVMETHOD(bus_get_resource_list, ndis_get_resource_list), 98 99 DEVMETHOD_END 100}; 101 102static driver_t ndis_driver = { 103 "ndis", 104 ndis_methods, 105 sizeof(struct ndis_softc) 106}; 107 108static devclass_t ndis_devclass; 109 110DRIVER_MODULE(ndis, uhub, ndis_driver, ndis_devclass, ndisdrv_modevent, 0); 111 112static int 113ndisusb_devcompare(interface_type bustype, struct ndis_usb_type *t, device_t dev) 114{ 115 struct usb_attach_arg *uaa; 116 117 if (bustype != PNPBus) 118 return (FALSE); 119 120 uaa = device_get_ivars(dev); 121 122 while (t->ndis_name != NULL) { 123 if ((uaa->info.idVendor == t->ndis_vid) && 124 (uaa->info.idProduct == t->ndis_did)) { 125 device_set_desc(dev, t->ndis_name); 126 return (TRUE); 127 } 128 t++; 129 } 130 131 return (FALSE); 132} 133 134static int 135ndisusb_match(device_t self) 136{ 137 struct drvdb_ent *db; 138 struct usb_attach_arg *uaa = device_get_ivars(self); 139 140 if (uaa->usb_mode != USB_MODE_HOST) 141 return (ENXIO); 142 if (uaa->info.bConfigIndex != NDISUSB_CONFIG_NO) 143 return (ENXIO); 144 if (uaa->info.bIfaceIndex != NDISUSB_IFACE_INDEX) 145 return (ENXIO); 146 147 if (windrv_lookup(0, "USB Bus") == NULL) 148 return (ENXIO); 149 150 db = windrv_match((matchfuncptr)ndisusb_devcompare, self); 151 if (db == NULL) 152 return (ENXIO); 153 uaa->driver_ivar = db; 154 155 return (0); 156} 157 158static int 159ndisusb_attach(device_t self) 160{ 161 const struct drvdb_ent *db; 162 struct ndisusb_softc *dummy = device_get_softc(self); 163 struct usb_attach_arg *uaa = device_get_ivars(self); 164 struct ndis_softc *sc; 165 struct ndis_usb_type *t; 166 driver_object *drv; 167 int devidx = 0; 168 169 device_set_usb_desc(self); 170 db = uaa->driver_ivar; 171 sc = (struct ndis_softc *)dummy; 172 sc->ndis_dev = self; 173 mtx_init(&sc->ndisusb_mtx, "NDIS USB", MTX_NETWORK_LOCK, MTX_DEF); 174 sc->ndis_dobj = db->windrv_object; 175 sc->ndis_regvals = db->windrv_regvals; 176 sc->ndis_iftype = PNPBus; 177 sc->ndisusb_dev = uaa->device; 178 179 /* Create PDO for this device instance */ 180 181 drv = windrv_lookup(0, "USB Bus"); 182 windrv_create_pdo(drv, self); 183 184 /* Figure out exactly which device we matched. */ 185 186 t = db->windrv_devlist; 187 188 while (t->ndis_name != NULL) { 189 if ((uaa->info.idVendor == t->ndis_vid) && 190 (uaa->info.idProduct == t->ndis_did)) { 191 sc->ndis_devidx = devidx; 192 break; 193 } 194 t++; 195 devidx++; 196 } 197 198 if (ndis_attach(self) != 0) 199 return (ENXIO); 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