76039bc84f
to this event, adding if_var.h to files that do need it. Also, include all includes that now are included due to implicit pollution via if_var.h Sponsored by: Netflix Sponsored by: Nginx, Inc.
1435 lines
34 KiB
C
1435 lines
34 KiB
C
/*-
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* Copyright (c) 2003
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* Bill Paul <wpaul@windriver.com>. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by Bill Paul.
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* 4. Neither the name of the author nor the names of any co-contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY Bill Paul AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL Bill Paul OR THE VOICES IN HIS HEAD
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
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* THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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__FBSDID("$FreeBSD$");
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/unistd.h>
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#include <sys/types.h>
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#include <sys/errno.h>
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#include <sys/callout.h>
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#include <sys/socket.h>
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#include <sys/queue.h>
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#include <sys/sysctl.h>
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#include <sys/proc.h>
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#include <sys/malloc.h>
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#include <sys/lock.h>
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#include <sys/mutex.h>
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#include <sys/conf.h>
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#include <sys/kernel.h>
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#include <sys/module.h>
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#include <sys/kthread.h>
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#include <machine/bus.h>
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#include <machine/resource.h>
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#include <sys/bus.h>
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#include <sys/rman.h>
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#include <net/if.h>
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#include <net/if_var.h>
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#include <net/if_arp.h>
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#include <net/ethernet.h>
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#include <net/if_dl.h>
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#include <net/if_media.h>
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#include <net80211/ieee80211_var.h>
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#include <net80211/ieee80211_ioctl.h>
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#include <dev/usb/usb.h>
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#include <dev/usb/usbdi.h>
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#include <compat/ndis/pe_var.h>
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#include <compat/ndis/cfg_var.h>
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#include <compat/ndis/resource_var.h>
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#include <compat/ndis/ntoskrnl_var.h>
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#include <compat/ndis/ndis_var.h>
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#include <compat/ndis/hal_var.h>
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#include <compat/ndis/usbd_var.h>
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#include <dev/if_ndis/if_ndisvar.h>
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#define NDIS_DUMMY_PATH "\\\\some\\bogus\\path"
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static void ndis_status_func(ndis_handle, ndis_status, void *, uint32_t);
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static void ndis_statusdone_func(ndis_handle);
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static void ndis_setdone_func(ndis_handle, ndis_status);
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static void ndis_getdone_func(ndis_handle, ndis_status);
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static void ndis_resetdone_func(ndis_handle, ndis_status, uint8_t);
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static void ndis_sendrsrcavail_func(ndis_handle);
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static void ndis_intrsetup(kdpc *, device_object *,
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irp *, struct ndis_softc *);
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static void ndis_return(device_object *, void *);
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static image_patch_table kernndis_functbl[] = {
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IMPORT_SFUNC(ndis_status_func, 4),
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IMPORT_SFUNC(ndis_statusdone_func, 1),
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IMPORT_SFUNC(ndis_setdone_func, 2),
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IMPORT_SFUNC(ndis_getdone_func, 2),
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IMPORT_SFUNC(ndis_resetdone_func, 3),
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IMPORT_SFUNC(ndis_sendrsrcavail_func, 1),
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IMPORT_SFUNC(ndis_intrsetup, 4),
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IMPORT_SFUNC(ndis_return, 1),
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{ NULL, NULL, NULL }
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};
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static struct nd_head ndis_devhead;
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/*
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* This allows us to export our symbols to other modules.
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* Note that we call ourselves 'ndisapi' to avoid a namespace
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* collision with if_ndis.ko, which internally calls itself
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* 'ndis.'
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*
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* Note: some of the subsystems depend on each other, so the
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* order in which they're started is important. The order of
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* importance is:
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*
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* HAL - spinlocks and IRQL manipulation
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* ntoskrnl - DPC and workitem threads, object waiting
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* windrv - driver/device registration
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*
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* The HAL should also be the last thing shut down, since
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* the ntoskrnl subsystem will use spinlocks right up until
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* the DPC and workitem threads are terminated.
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*/
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static int
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ndis_modevent(module_t mod, int cmd, void *arg)
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{
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int error = 0;
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image_patch_table *patch;
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switch (cmd) {
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case MOD_LOAD:
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/* Initialize subsystems */
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hal_libinit();
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ntoskrnl_libinit();
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windrv_libinit();
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ndis_libinit();
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usbd_libinit();
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patch = kernndis_functbl;
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while (patch->ipt_func != NULL) {
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windrv_wrap((funcptr)patch->ipt_func,
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(funcptr *)&patch->ipt_wrap,
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patch->ipt_argcnt, patch->ipt_ftype);
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patch++;
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}
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TAILQ_INIT(&ndis_devhead);
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break;
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case MOD_SHUTDOWN:
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if (TAILQ_FIRST(&ndis_devhead) == NULL) {
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/* Shut down subsystems */
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ndis_libfini();
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usbd_libfini();
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windrv_libfini();
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ntoskrnl_libfini();
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hal_libfini();
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patch = kernndis_functbl;
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while (patch->ipt_func != NULL) {
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windrv_unwrap(patch->ipt_wrap);
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patch++;
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}
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}
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break;
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case MOD_UNLOAD:
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/* Shut down subsystems */
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ndis_libfini();
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usbd_libfini();
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windrv_libfini();
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ntoskrnl_libfini();
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hal_libfini();
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patch = kernndis_functbl;
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while (patch->ipt_func != NULL) {
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windrv_unwrap(patch->ipt_wrap);
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patch++;
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}
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break;
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default:
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error = EINVAL;
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break;
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}
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return (error);
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}
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DEV_MODULE(ndisapi, ndis_modevent, NULL);
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MODULE_VERSION(ndisapi, 1);
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static void
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ndis_sendrsrcavail_func(adapter)
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ndis_handle adapter;
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{
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}
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static void
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ndis_status_func(adapter, status, sbuf, slen)
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ndis_handle adapter;
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ndis_status status;
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void *sbuf;
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uint32_t slen;
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{
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ndis_miniport_block *block;
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struct ndis_softc *sc;
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struct ifnet *ifp;
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block = adapter;
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sc = device_get_softc(block->nmb_physdeviceobj->do_devext);
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ifp = sc->ifp;
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if (ifp->if_flags & IFF_DEBUG)
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device_printf(sc->ndis_dev, "status: %x\n", status);
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}
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static void
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ndis_statusdone_func(adapter)
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ndis_handle adapter;
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{
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ndis_miniport_block *block;
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struct ndis_softc *sc;
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struct ifnet *ifp;
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block = adapter;
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sc = device_get_softc(block->nmb_physdeviceobj->do_devext);
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ifp = sc->ifp;
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if (ifp->if_flags & IFF_DEBUG)
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device_printf(sc->ndis_dev, "status complete\n");
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}
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static void
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ndis_setdone_func(adapter, status)
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ndis_handle adapter;
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ndis_status status;
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{
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ndis_miniport_block *block;
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block = adapter;
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block->nmb_setstat = status;
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KeSetEvent(&block->nmb_setevent, IO_NO_INCREMENT, FALSE);
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}
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static void
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ndis_getdone_func(adapter, status)
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ndis_handle adapter;
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ndis_status status;
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{
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ndis_miniport_block *block;
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block = adapter;
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block->nmb_getstat = status;
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KeSetEvent(&block->nmb_getevent, IO_NO_INCREMENT, FALSE);
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}
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static void
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ndis_resetdone_func(ndis_handle adapter, ndis_status status,
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uint8_t addressingreset)
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{
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ndis_miniport_block *block;
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struct ndis_softc *sc;
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struct ifnet *ifp;
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block = adapter;
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sc = device_get_softc(block->nmb_physdeviceobj->do_devext);
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ifp = sc->ifp;
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if (ifp->if_flags & IFF_DEBUG)
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device_printf(sc->ndis_dev, "reset done...\n");
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KeSetEvent(&block->nmb_resetevent, IO_NO_INCREMENT, FALSE);
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}
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int
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ndis_create_sysctls(arg)
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void *arg;
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{
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struct ndis_softc *sc;
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ndis_cfg *vals;
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char buf[256];
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struct sysctl_oid *oidp;
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struct sysctl_ctx_entry *e;
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if (arg == NULL)
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return (EINVAL);
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sc = arg;
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vals = sc->ndis_regvals;
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TAILQ_INIT(&sc->ndis_cfglist_head);
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/* Add the driver-specific registry keys. */
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while(1) {
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if (vals->nc_cfgkey == NULL)
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break;
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if (vals->nc_idx != sc->ndis_devidx) {
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vals++;
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continue;
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}
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/* See if we already have a sysctl with this name */
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oidp = NULL;
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TAILQ_FOREACH(e, device_get_sysctl_ctx(sc->ndis_dev), link) {
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oidp = e->entry;
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if (strcasecmp(oidp->oid_name, vals->nc_cfgkey) == 0)
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break;
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oidp = NULL;
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}
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if (oidp != NULL) {
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vals++;
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continue;
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}
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ndis_add_sysctl(sc, vals->nc_cfgkey, vals->nc_cfgdesc,
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vals->nc_val, CTLFLAG_RW);
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vals++;
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}
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/* Now add a couple of builtin keys. */
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/*
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* Environment can be either Windows (0) or WindowsNT (1).
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* We qualify as the latter.
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*/
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ndis_add_sysctl(sc, "Environment",
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"Windows environment", "1", CTLFLAG_RD);
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/* NDIS version should be 5.1. */
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ndis_add_sysctl(sc, "NdisVersion",
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"NDIS API Version", "0x00050001", CTLFLAG_RD);
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/*
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* Some miniport drivers rely on the existence of the SlotNumber,
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* NetCfgInstanceId and DriverDesc keys.
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*/
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ndis_add_sysctl(sc, "SlotNumber", "Slot Numer", "01", CTLFLAG_RD);
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ndis_add_sysctl(sc, "NetCfgInstanceId", "NetCfgInstanceId",
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"{12345678-1234-5678-CAFE0-123456789ABC}", CTLFLAG_RD);
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ndis_add_sysctl(sc, "DriverDesc", "Driver Description",
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"NDIS Network Adapter", CTLFLAG_RD);
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/* Bus type (PCI, PCMCIA, etc...) */
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sprintf(buf, "%d", (int)sc->ndis_iftype);
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ndis_add_sysctl(sc, "BusType", "Bus Type", buf, CTLFLAG_RD);
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if (sc->ndis_res_io != NULL) {
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sprintf(buf, "0x%lx", rman_get_start(sc->ndis_res_io));
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ndis_add_sysctl(sc, "IOBaseAddress",
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"Base I/O Address", buf, CTLFLAG_RD);
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}
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if (sc->ndis_irq != NULL) {
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sprintf(buf, "%lu", rman_get_start(sc->ndis_irq));
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ndis_add_sysctl(sc, "InterruptNumber",
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"Interrupt Number", buf, CTLFLAG_RD);
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}
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return (0);
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}
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|
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int
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ndis_add_sysctl(arg, key, desc, val, flag)
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void *arg;
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char *key;
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char *desc;
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char *val;
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int flag;
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{
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struct ndis_softc *sc;
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struct ndis_cfglist *cfg;
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char descstr[256];
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sc = arg;
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cfg = malloc(sizeof(struct ndis_cfglist), M_DEVBUF, M_NOWAIT|M_ZERO);
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if (cfg == NULL) {
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printf("failed for %s\n", key);
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return (ENOMEM);
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}
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cfg->ndis_cfg.nc_cfgkey = strdup(key, M_DEVBUF);
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if (desc == NULL) {
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snprintf(descstr, sizeof(descstr), "%s (dynamic)", key);
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cfg->ndis_cfg.nc_cfgdesc = strdup(descstr, M_DEVBUF);
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} else
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cfg->ndis_cfg.nc_cfgdesc = strdup(desc, M_DEVBUF);
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strcpy(cfg->ndis_cfg.nc_val, val);
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TAILQ_INSERT_TAIL(&sc->ndis_cfglist_head, cfg, link);
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cfg->ndis_oid =
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SYSCTL_ADD_STRING(device_get_sysctl_ctx(sc->ndis_dev),
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SYSCTL_CHILDREN(device_get_sysctl_tree(sc->ndis_dev)),
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OID_AUTO, cfg->ndis_cfg.nc_cfgkey, flag,
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cfg->ndis_cfg.nc_val, sizeof(cfg->ndis_cfg.nc_val),
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cfg->ndis_cfg.nc_cfgdesc);
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|
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return (0);
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}
|
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|
|
/*
|
|
* Somewhere, somebody decided "hey, let's automatically create
|
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* a sysctl tree for each device instance as it's created -- it'll
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* make life so much easier!" Lies. Why must they turn the kernel
|
|
* into a house of lies?
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|
*/
|
|
|
|
int
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ndis_flush_sysctls(arg)
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|
void *arg;
|
|
{
|
|
struct ndis_softc *sc;
|
|
struct ndis_cfglist *cfg;
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|
struct sysctl_ctx_list *clist;
|
|
|
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sc = arg;
|
|
|
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clist = device_get_sysctl_ctx(sc->ndis_dev);
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|
|
|
while (!TAILQ_EMPTY(&sc->ndis_cfglist_head)) {
|
|
cfg = TAILQ_FIRST(&sc->ndis_cfglist_head);
|
|
TAILQ_REMOVE(&sc->ndis_cfglist_head, cfg, link);
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sysctl_ctx_entry_del(clist, cfg->ndis_oid);
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sysctl_remove_oid(cfg->ndis_oid, 1, 0);
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free(cfg->ndis_cfg.nc_cfgkey, M_DEVBUF);
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free(cfg->ndis_cfg.nc_cfgdesc, M_DEVBUF);
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free(cfg, M_DEVBUF);
|
|
}
|
|
|
|
return (0);
|
|
}
|
|
|
|
void *
|
|
ndis_get_routine_address(functbl, name)
|
|
struct image_patch_table *functbl;
|
|
char *name;
|
|
{
|
|
int i;
|
|
|
|
for (i = 0; functbl[i].ipt_name != NULL; i++)
|
|
if (strcmp(name, functbl[i].ipt_name) == 0)
|
|
return (functbl[i].ipt_wrap);
|
|
return (NULL);
|
|
}
|
|
|
|
static void
|
|
ndis_return(dobj, arg)
|
|
device_object *dobj;
|
|
void *arg;
|
|
{
|
|
ndis_miniport_block *block;
|
|
ndis_miniport_characteristics *ch;
|
|
ndis_return_handler returnfunc;
|
|
ndis_handle adapter;
|
|
ndis_packet *p;
|
|
uint8_t irql;
|
|
list_entry *l;
|
|
|
|
block = arg;
|
|
ch = IoGetDriverObjectExtension(dobj->do_drvobj, (void *)1);
|
|
|
|
p = arg;
|
|
adapter = block->nmb_miniportadapterctx;
|
|
|
|
if (adapter == NULL)
|
|
return;
|
|
|
|
returnfunc = ch->nmc_return_packet_func;
|
|
|
|
KeAcquireSpinLock(&block->nmb_returnlock, &irql);
|
|
while (!IsListEmpty(&block->nmb_returnlist)) {
|
|
l = RemoveHeadList((&block->nmb_returnlist));
|
|
p = CONTAINING_RECORD(l, ndis_packet, np_list);
|
|
InitializeListHead((&p->np_list));
|
|
KeReleaseSpinLock(&block->nmb_returnlock, irql);
|
|
MSCALL2(returnfunc, adapter, p);
|
|
KeAcquireSpinLock(&block->nmb_returnlock, &irql);
|
|
}
|
|
KeReleaseSpinLock(&block->nmb_returnlock, irql);
|
|
}
|
|
|
|
int
|
|
ndis_return_packet(struct mbuf *m, void *buf, void *arg)
|
|
{
|
|
ndis_packet *p;
|
|
ndis_miniport_block *block;
|
|
|
|
if (arg == NULL)
|
|
return (EXT_FREE_OK);
|
|
|
|
p = arg;
|
|
|
|
/* Decrement refcount. */
|
|
p->np_refcnt--;
|
|
|
|
/* Release packet when refcount hits zero, otherwise return. */
|
|
if (p->np_refcnt)
|
|
return (EXT_FREE_OK);
|
|
|
|
block = ((struct ndis_softc *)p->np_softc)->ndis_block;
|
|
|
|
KeAcquireSpinLockAtDpcLevel(&block->nmb_returnlock);
|
|
InitializeListHead((&p->np_list));
|
|
InsertHeadList((&block->nmb_returnlist), (&p->np_list));
|
|
KeReleaseSpinLockFromDpcLevel(&block->nmb_returnlock);
|
|
|
|
IoQueueWorkItem(block->nmb_returnitem,
|
|
(io_workitem_func)kernndis_functbl[7].ipt_wrap,
|
|
WORKQUEUE_CRITICAL, block);
|
|
|
|
return (EXT_FREE_OK);
|
|
}
|
|
|
|
void
|
|
ndis_free_bufs(b0)
|
|
ndis_buffer *b0;
|
|
{
|
|
ndis_buffer *next;
|
|
|
|
if (b0 == NULL)
|
|
return;
|
|
|
|
while(b0 != NULL) {
|
|
next = b0->mdl_next;
|
|
IoFreeMdl(b0);
|
|
b0 = next;
|
|
}
|
|
}
|
|
|
|
void
|
|
ndis_free_packet(p)
|
|
ndis_packet *p;
|
|
{
|
|
if (p == NULL)
|
|
return;
|
|
|
|
ndis_free_bufs(p->np_private.npp_head);
|
|
NdisFreePacket(p);
|
|
}
|
|
|
|
int
|
|
ndis_convert_res(arg)
|
|
void *arg;
|
|
{
|
|
struct ndis_softc *sc;
|
|
ndis_resource_list *rl = NULL;
|
|
cm_partial_resource_desc *prd = NULL;
|
|
ndis_miniport_block *block;
|
|
device_t dev;
|
|
struct resource_list *brl;
|
|
struct resource_list_entry *brle;
|
|
int error = 0;
|
|
|
|
sc = arg;
|
|
block = sc->ndis_block;
|
|
dev = sc->ndis_dev;
|
|
|
|
rl = malloc(sizeof(ndis_resource_list) +
|
|
(sizeof(cm_partial_resource_desc) * (sc->ndis_rescnt - 1)),
|
|
M_DEVBUF, M_NOWAIT|M_ZERO);
|
|
|
|
if (rl == NULL)
|
|
return (ENOMEM);
|
|
|
|
rl->cprl_version = 5;
|
|
rl->cprl_revision = 1;
|
|
rl->cprl_count = sc->ndis_rescnt;
|
|
prd = rl->cprl_partial_descs;
|
|
|
|
brl = BUS_GET_RESOURCE_LIST(dev, dev);
|
|
|
|
if (brl != NULL) {
|
|
|
|
STAILQ_FOREACH(brle, brl, link) {
|
|
switch (brle->type) {
|
|
case SYS_RES_IOPORT:
|
|
prd->cprd_type = CmResourceTypePort;
|
|
prd->cprd_flags = CM_RESOURCE_PORT_IO;
|
|
prd->cprd_sharedisp =
|
|
CmResourceShareDeviceExclusive;
|
|
prd->u.cprd_port.cprd_start.np_quad =
|
|
brle->start;
|
|
prd->u.cprd_port.cprd_len = brle->count;
|
|
break;
|
|
case SYS_RES_MEMORY:
|
|
prd->cprd_type = CmResourceTypeMemory;
|
|
prd->cprd_flags =
|
|
CM_RESOURCE_MEMORY_READ_WRITE;
|
|
prd->cprd_sharedisp =
|
|
CmResourceShareDeviceExclusive;
|
|
prd->u.cprd_mem.cprd_start.np_quad =
|
|
brle->start;
|
|
prd->u.cprd_mem.cprd_len = brle->count;
|
|
break;
|
|
case SYS_RES_IRQ:
|
|
prd->cprd_type = CmResourceTypeInterrupt;
|
|
prd->cprd_flags = 0;
|
|
/*
|
|
* Always mark interrupt resources as
|
|
* shared, since in our implementation,
|
|
* they will be.
|
|
*/
|
|
prd->cprd_sharedisp =
|
|
CmResourceShareShared;
|
|
prd->u.cprd_intr.cprd_level = brle->start;
|
|
prd->u.cprd_intr.cprd_vector = brle->start;
|
|
prd->u.cprd_intr.cprd_affinity = 0;
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
prd++;
|
|
}
|
|
}
|
|
|
|
block->nmb_rlist = rl;
|
|
|
|
return (error);
|
|
}
|
|
|
|
/*
|
|
* Map an NDIS packet to an mbuf list. When an NDIS driver receives a
|
|
* packet, it will hand it to us in the form of an ndis_packet,
|
|
* which we need to convert to an mbuf that is then handed off
|
|
* to the stack. Note: we configure the mbuf list so that it uses
|
|
* the memory regions specified by the ndis_buffer structures in
|
|
* the ndis_packet as external storage. In most cases, this will
|
|
* point to a memory region allocated by the driver (either by
|
|
* ndis_malloc_withtag() or ndis_alloc_sharedmem()). We expect
|
|
* the driver to handle free()ing this region for is, so we set up
|
|
* a dummy no-op free handler for it.
|
|
*/
|
|
|
|
int
|
|
ndis_ptom(m0, p)
|
|
struct mbuf **m0;
|
|
ndis_packet *p;
|
|
{
|
|
struct mbuf *m = NULL, *prev = NULL;
|
|
ndis_buffer *buf;
|
|
ndis_packet_private *priv;
|
|
uint32_t totlen = 0;
|
|
struct ifnet *ifp;
|
|
struct ether_header *eh;
|
|
int diff;
|
|
|
|
if (p == NULL || m0 == NULL)
|
|
return (EINVAL);
|
|
|
|
priv = &p->np_private;
|
|
buf = priv->npp_head;
|
|
p->np_refcnt = 0;
|
|
|
|
for (buf = priv->npp_head; buf != NULL; buf = buf->mdl_next) {
|
|
if (buf == priv->npp_head)
|
|
m = m_gethdr(M_NOWAIT, MT_DATA);
|
|
else
|
|
m = m_get(M_NOWAIT, MT_DATA);
|
|
if (m == NULL) {
|
|
m_freem(*m0);
|
|
*m0 = NULL;
|
|
return (ENOBUFS);
|
|
}
|
|
m->m_len = MmGetMdlByteCount(buf);
|
|
m->m_data = MmGetMdlVirtualAddress(buf);
|
|
MEXTADD(m, m->m_data, m->m_len, ndis_return_packet,
|
|
m->m_data, p, 0, EXT_NDIS);
|
|
p->np_refcnt++;
|
|
|
|
totlen += m->m_len;
|
|
if (m->m_flags & M_PKTHDR)
|
|
*m0 = m;
|
|
else
|
|
prev->m_next = m;
|
|
prev = m;
|
|
}
|
|
|
|
/*
|
|
* This is a hack to deal with the Marvell 8335 driver
|
|
* which, when associated with an AP in WPA-PSK mode,
|
|
* seems to overpad its frames by 8 bytes. I don't know
|
|
* that the extra 8 bytes are for, and they're not there
|
|
* in open mode, so for now clamp the frame size at 1514
|
|
* until I can figure out how to deal with this properly,
|
|
* otherwise if_ethersubr() will spank us by discarding
|
|
* the 'oversize' frames.
|
|
*/
|
|
|
|
eh = mtod((*m0), struct ether_header *);
|
|
ifp = ((struct ndis_softc *)p->np_softc)->ifp;
|
|
if (totlen > ETHER_MAX_FRAME(ifp, eh->ether_type, FALSE)) {
|
|
diff = totlen - ETHER_MAX_FRAME(ifp, eh->ether_type, FALSE);
|
|
totlen -= diff;
|
|
m->m_len -= diff;
|
|
}
|
|
(*m0)->m_pkthdr.len = totlen;
|
|
|
|
return (0);
|
|
}
|
|
|
|
/*
|
|
* Create an NDIS packet from an mbuf chain.
|
|
* This is used mainly when transmitting packets, where we need
|
|
* to turn an mbuf off an interface's send queue and transform it
|
|
* into an NDIS packet which will be fed into the NDIS driver's
|
|
* send routine.
|
|
*
|
|
* NDIS packets consist of two parts: an ndis_packet structure,
|
|
* which is vaguely analagous to the pkthdr portion of an mbuf,
|
|
* and one or more ndis_buffer structures, which define the
|
|
* actual memory segments in which the packet data resides.
|
|
* We need to allocate one ndis_buffer for each mbuf in a chain,
|
|
* plus one ndis_packet as the header.
|
|
*/
|
|
|
|
int
|
|
ndis_mtop(m0, p)
|
|
struct mbuf *m0;
|
|
ndis_packet **p;
|
|
{
|
|
struct mbuf *m;
|
|
ndis_buffer *buf = NULL, *prev = NULL;
|
|
ndis_packet_private *priv;
|
|
|
|
if (p == NULL || *p == NULL || m0 == NULL)
|
|
return (EINVAL);
|
|
|
|
priv = &(*p)->np_private;
|
|
priv->npp_totlen = m0->m_pkthdr.len;
|
|
|
|
for (m = m0; m != NULL; m = m->m_next) {
|
|
if (m->m_len == 0)
|
|
continue;
|
|
buf = IoAllocateMdl(m->m_data, m->m_len, FALSE, FALSE, NULL);
|
|
if (buf == NULL) {
|
|
ndis_free_packet(*p);
|
|
*p = NULL;
|
|
return (ENOMEM);
|
|
}
|
|
MmBuildMdlForNonPagedPool(buf);
|
|
|
|
if (priv->npp_head == NULL)
|
|
priv->npp_head = buf;
|
|
else
|
|
prev->mdl_next = buf;
|
|
prev = buf;
|
|
}
|
|
|
|
priv->npp_tail = buf;
|
|
|
|
return (0);
|
|
}
|
|
|
|
int
|
|
ndis_get_supported_oids(arg, oids, oidcnt)
|
|
void *arg;
|
|
ndis_oid **oids;
|
|
int *oidcnt;
|
|
{
|
|
int len, rval;
|
|
ndis_oid *o;
|
|
|
|
if (arg == NULL || oids == NULL || oidcnt == NULL)
|
|
return (EINVAL);
|
|
len = 0;
|
|
ndis_get_info(arg, OID_GEN_SUPPORTED_LIST, NULL, &len);
|
|
|
|
o = malloc(len, M_DEVBUF, M_NOWAIT);
|
|
if (o == NULL)
|
|
return (ENOMEM);
|
|
|
|
rval = ndis_get_info(arg, OID_GEN_SUPPORTED_LIST, o, &len);
|
|
|
|
if (rval) {
|
|
free(o, M_DEVBUF);
|
|
return (rval);
|
|
}
|
|
|
|
*oids = o;
|
|
*oidcnt = len / 4;
|
|
|
|
return (0);
|
|
}
|
|
|
|
int
|
|
ndis_set_info(arg, oid, buf, buflen)
|
|
void *arg;
|
|
ndis_oid oid;
|
|
void *buf;
|
|
int *buflen;
|
|
{
|
|
struct ndis_softc *sc;
|
|
ndis_status rval;
|
|
ndis_handle adapter;
|
|
ndis_setinfo_handler setfunc;
|
|
uint32_t byteswritten = 0, bytesneeded = 0;
|
|
uint8_t irql;
|
|
uint64_t duetime;
|
|
|
|
/*
|
|
* According to the NDIS spec, MiniportQueryInformation()
|
|
* and MiniportSetInformation() requests are handled serially:
|
|
* once one request has been issued, we must wait for it to
|
|
* finish before allowing another request to proceed.
|
|
*/
|
|
|
|
sc = arg;
|
|
|
|
KeResetEvent(&sc->ndis_block->nmb_setevent);
|
|
|
|
KeAcquireSpinLock(&sc->ndis_block->nmb_lock, &irql);
|
|
|
|
if (sc->ndis_block->nmb_pendingreq != NULL) {
|
|
KeReleaseSpinLock(&sc->ndis_block->nmb_lock, irql);
|
|
panic("ndis_set_info() called while other request pending");
|
|
} else
|
|
sc->ndis_block->nmb_pendingreq = (ndis_request *)sc;
|
|
|
|
setfunc = sc->ndis_chars->nmc_setinfo_func;
|
|
adapter = sc->ndis_block->nmb_miniportadapterctx;
|
|
|
|
if (adapter == NULL || setfunc == NULL ||
|
|
sc->ndis_block->nmb_devicectx == NULL) {
|
|
sc->ndis_block->nmb_pendingreq = NULL;
|
|
KeReleaseSpinLock(&sc->ndis_block->nmb_lock, irql);
|
|
return (ENXIO);
|
|
}
|
|
|
|
rval = MSCALL6(setfunc, adapter, oid, buf, *buflen,
|
|
&byteswritten, &bytesneeded);
|
|
|
|
sc->ndis_block->nmb_pendingreq = NULL;
|
|
|
|
KeReleaseSpinLock(&sc->ndis_block->nmb_lock, irql);
|
|
|
|
if (rval == NDIS_STATUS_PENDING) {
|
|
/* Wait up to 5 seconds. */
|
|
duetime = (5 * 1000000) * -10;
|
|
KeWaitForSingleObject(&sc->ndis_block->nmb_setevent,
|
|
0, 0, FALSE, &duetime);
|
|
rval = sc->ndis_block->nmb_setstat;
|
|
}
|
|
|
|
if (byteswritten)
|
|
*buflen = byteswritten;
|
|
if (bytesneeded)
|
|
*buflen = bytesneeded;
|
|
|
|
if (rval == NDIS_STATUS_INVALID_LENGTH)
|
|
return (ENOSPC);
|
|
|
|
if (rval == NDIS_STATUS_INVALID_OID)
|
|
return (EINVAL);
|
|
|
|
if (rval == NDIS_STATUS_NOT_SUPPORTED ||
|
|
rval == NDIS_STATUS_NOT_ACCEPTED)
|
|
return (ENOTSUP);
|
|
|
|
if (rval != NDIS_STATUS_SUCCESS)
|
|
return (ENODEV);
|
|
|
|
return (0);
|
|
}
|
|
|
|
typedef void (*ndis_senddone_func)(ndis_handle, ndis_packet *, ndis_status);
|
|
|
|
int
|
|
ndis_send_packets(arg, packets, cnt)
|
|
void *arg;
|
|
ndis_packet **packets;
|
|
int cnt;
|
|
{
|
|
struct ndis_softc *sc;
|
|
ndis_handle adapter;
|
|
ndis_sendmulti_handler sendfunc;
|
|
ndis_senddone_func senddonefunc;
|
|
int i;
|
|
ndis_packet *p;
|
|
uint8_t irql = 0;
|
|
|
|
sc = arg;
|
|
adapter = sc->ndis_block->nmb_miniportadapterctx;
|
|
if (adapter == NULL)
|
|
return (ENXIO);
|
|
sendfunc = sc->ndis_chars->nmc_sendmulti_func;
|
|
senddonefunc = sc->ndis_block->nmb_senddone_func;
|
|
|
|
if (NDIS_SERIALIZED(sc->ndis_block))
|
|
KeAcquireSpinLock(&sc->ndis_block->nmb_lock, &irql);
|
|
|
|
MSCALL3(sendfunc, adapter, packets, cnt);
|
|
|
|
for (i = 0; i < cnt; i++) {
|
|
p = packets[i];
|
|
/*
|
|
* Either the driver already handed the packet to
|
|
* ndis_txeof() due to a failure, or it wants to keep
|
|
* it and release it asynchronously later. Skip to the
|
|
* next one.
|
|
*/
|
|
if (p == NULL || p->np_oob.npo_status == NDIS_STATUS_PENDING)
|
|
continue;
|
|
MSCALL3(senddonefunc, sc->ndis_block, p, p->np_oob.npo_status);
|
|
}
|
|
|
|
if (NDIS_SERIALIZED(sc->ndis_block))
|
|
KeReleaseSpinLock(&sc->ndis_block->nmb_lock, irql);
|
|
|
|
return (0);
|
|
}
|
|
|
|
int
|
|
ndis_send_packet(arg, packet)
|
|
void *arg;
|
|
ndis_packet *packet;
|
|
{
|
|
struct ndis_softc *sc;
|
|
ndis_handle adapter;
|
|
ndis_status status;
|
|
ndis_sendsingle_handler sendfunc;
|
|
ndis_senddone_func senddonefunc;
|
|
uint8_t irql = 0;
|
|
|
|
sc = arg;
|
|
adapter = sc->ndis_block->nmb_miniportadapterctx;
|
|
if (adapter == NULL)
|
|
return (ENXIO);
|
|
sendfunc = sc->ndis_chars->nmc_sendsingle_func;
|
|
senddonefunc = sc->ndis_block->nmb_senddone_func;
|
|
|
|
if (NDIS_SERIALIZED(sc->ndis_block))
|
|
KeAcquireSpinLock(&sc->ndis_block->nmb_lock, &irql);
|
|
status = MSCALL3(sendfunc, adapter, packet,
|
|
packet->np_private.npp_flags);
|
|
|
|
if (status == NDIS_STATUS_PENDING) {
|
|
if (NDIS_SERIALIZED(sc->ndis_block))
|
|
KeReleaseSpinLock(&sc->ndis_block->nmb_lock, irql);
|
|
return (0);
|
|
}
|
|
|
|
MSCALL3(senddonefunc, sc->ndis_block, packet, status);
|
|
|
|
if (NDIS_SERIALIZED(sc->ndis_block))
|
|
KeReleaseSpinLock(&sc->ndis_block->nmb_lock, irql);
|
|
|
|
return (0);
|
|
}
|
|
|
|
int
|
|
ndis_init_dma(arg)
|
|
void *arg;
|
|
{
|
|
struct ndis_softc *sc;
|
|
int i, error;
|
|
|
|
sc = arg;
|
|
|
|
sc->ndis_tmaps = malloc(sizeof(bus_dmamap_t) * sc->ndis_maxpkts,
|
|
M_DEVBUF, M_NOWAIT|M_ZERO);
|
|
|
|
if (sc->ndis_tmaps == NULL)
|
|
return (ENOMEM);
|
|
|
|
for (i = 0; i < sc->ndis_maxpkts; i++) {
|
|
error = bus_dmamap_create(sc->ndis_ttag, 0,
|
|
&sc->ndis_tmaps[i]);
|
|
if (error) {
|
|
free(sc->ndis_tmaps, M_DEVBUF);
|
|
return (ENODEV);
|
|
}
|
|
}
|
|
|
|
return (0);
|
|
}
|
|
|
|
int
|
|
ndis_destroy_dma(arg)
|
|
void *arg;
|
|
{
|
|
struct ndis_softc *sc;
|
|
struct mbuf *m;
|
|
ndis_packet *p = NULL;
|
|
int i;
|
|
|
|
sc = arg;
|
|
|
|
for (i = 0; i < sc->ndis_maxpkts; i++) {
|
|
if (sc->ndis_txarray[i] != NULL) {
|
|
p = sc->ndis_txarray[i];
|
|
m = (struct mbuf *)p->np_rsvd[1];
|
|
if (m != NULL)
|
|
m_freem(m);
|
|
ndis_free_packet(sc->ndis_txarray[i]);
|
|
}
|
|
bus_dmamap_destroy(sc->ndis_ttag, sc->ndis_tmaps[i]);
|
|
}
|
|
|
|
free(sc->ndis_tmaps, M_DEVBUF);
|
|
|
|
bus_dma_tag_destroy(sc->ndis_ttag);
|
|
|
|
return (0);
|
|
}
|
|
|
|
int
|
|
ndis_reset_nic(arg)
|
|
void *arg;
|
|
{
|
|
struct ndis_softc *sc;
|
|
ndis_handle adapter;
|
|
ndis_reset_handler resetfunc;
|
|
uint8_t addressing_reset;
|
|
int rval;
|
|
uint8_t irql = 0;
|
|
|
|
sc = arg;
|
|
|
|
NDIS_LOCK(sc);
|
|
adapter = sc->ndis_block->nmb_miniportadapterctx;
|
|
resetfunc = sc->ndis_chars->nmc_reset_func;
|
|
|
|
if (adapter == NULL || resetfunc == NULL ||
|
|
sc->ndis_block->nmb_devicectx == NULL) {
|
|
NDIS_UNLOCK(sc);
|
|
return (EIO);
|
|
}
|
|
|
|
NDIS_UNLOCK(sc);
|
|
|
|
KeResetEvent(&sc->ndis_block->nmb_resetevent);
|
|
|
|
if (NDIS_SERIALIZED(sc->ndis_block))
|
|
KeAcquireSpinLock(&sc->ndis_block->nmb_lock, &irql);
|
|
|
|
rval = MSCALL2(resetfunc, &addressing_reset, adapter);
|
|
|
|
if (NDIS_SERIALIZED(sc->ndis_block))
|
|
KeReleaseSpinLock(&sc->ndis_block->nmb_lock, irql);
|
|
|
|
if (rval == NDIS_STATUS_PENDING)
|
|
KeWaitForSingleObject(&sc->ndis_block->nmb_resetevent,
|
|
0, 0, FALSE, NULL);
|
|
|
|
return (0);
|
|
}
|
|
|
|
int
|
|
ndis_halt_nic(arg)
|
|
void *arg;
|
|
{
|
|
struct ndis_softc *sc;
|
|
ndis_handle adapter;
|
|
ndis_halt_handler haltfunc;
|
|
ndis_miniport_block *block;
|
|
int empty = 0;
|
|
uint8_t irql;
|
|
|
|
sc = arg;
|
|
block = sc->ndis_block;
|
|
|
|
if (!cold)
|
|
KeFlushQueuedDpcs();
|
|
|
|
/*
|
|
* Wait for all packets to be returned.
|
|
*/
|
|
|
|
while (1) {
|
|
KeAcquireSpinLock(&block->nmb_returnlock, &irql);
|
|
empty = IsListEmpty(&block->nmb_returnlist);
|
|
KeReleaseSpinLock(&block->nmb_returnlock, irql);
|
|
if (empty)
|
|
break;
|
|
NdisMSleep(1000);
|
|
}
|
|
|
|
NDIS_LOCK(sc);
|
|
adapter = sc->ndis_block->nmb_miniportadapterctx;
|
|
if (adapter == NULL) {
|
|
NDIS_UNLOCK(sc);
|
|
return (EIO);
|
|
}
|
|
|
|
sc->ndis_block->nmb_devicectx = NULL;
|
|
|
|
/*
|
|
* The adapter context is only valid after the init
|
|
* handler has been called, and is invalid once the
|
|
* halt handler has been called.
|
|
*/
|
|
|
|
haltfunc = sc->ndis_chars->nmc_halt_func;
|
|
NDIS_UNLOCK(sc);
|
|
|
|
MSCALL1(haltfunc, adapter);
|
|
|
|
NDIS_LOCK(sc);
|
|
sc->ndis_block->nmb_miniportadapterctx = NULL;
|
|
NDIS_UNLOCK(sc);
|
|
|
|
return (0);
|
|
}
|
|
|
|
int
|
|
ndis_shutdown_nic(arg)
|
|
void *arg;
|
|
{
|
|
struct ndis_softc *sc;
|
|
ndis_handle adapter;
|
|
ndis_shutdown_handler shutdownfunc;
|
|
|
|
sc = arg;
|
|
NDIS_LOCK(sc);
|
|
adapter = sc->ndis_block->nmb_miniportadapterctx;
|
|
shutdownfunc = sc->ndis_chars->nmc_shutdown_handler;
|
|
NDIS_UNLOCK(sc);
|
|
if (adapter == NULL || shutdownfunc == NULL)
|
|
return (EIO);
|
|
|
|
if (sc->ndis_chars->nmc_rsvd0 == NULL)
|
|
MSCALL1(shutdownfunc, adapter);
|
|
else
|
|
MSCALL1(shutdownfunc, sc->ndis_chars->nmc_rsvd0);
|
|
|
|
TAILQ_REMOVE(&ndis_devhead, sc->ndis_block, link);
|
|
|
|
return (0);
|
|
}
|
|
|
|
int
|
|
ndis_pnpevent_nic(arg, type)
|
|
void *arg;
|
|
int type;
|
|
{
|
|
device_t dev;
|
|
struct ndis_softc *sc;
|
|
ndis_handle adapter;
|
|
ndis_pnpevent_handler pnpeventfunc;
|
|
|
|
dev = arg;
|
|
sc = device_get_softc(arg);
|
|
NDIS_LOCK(sc);
|
|
adapter = sc->ndis_block->nmb_miniportadapterctx;
|
|
pnpeventfunc = sc->ndis_chars->nmc_pnpevent_handler;
|
|
NDIS_UNLOCK(sc);
|
|
if (adapter == NULL || pnpeventfunc == NULL)
|
|
return (EIO);
|
|
|
|
if (sc->ndis_chars->nmc_rsvd0 == NULL)
|
|
MSCALL4(pnpeventfunc, adapter, type, NULL, 0);
|
|
else
|
|
MSCALL4(pnpeventfunc, sc->ndis_chars->nmc_rsvd0, type, NULL, 0);
|
|
|
|
return (0);
|
|
}
|
|
|
|
int
|
|
ndis_init_nic(arg)
|
|
void *arg;
|
|
{
|
|
struct ndis_softc *sc;
|
|
ndis_miniport_block *block;
|
|
ndis_init_handler initfunc;
|
|
ndis_status status, openstatus = 0;
|
|
ndis_medium mediumarray[NdisMediumMax];
|
|
uint32_t chosenmedium, i;
|
|
|
|
if (arg == NULL)
|
|
return (EINVAL);
|
|
|
|
sc = arg;
|
|
NDIS_LOCK(sc);
|
|
block = sc->ndis_block;
|
|
initfunc = sc->ndis_chars->nmc_init_func;
|
|
NDIS_UNLOCK(sc);
|
|
|
|
sc->ndis_block->nmb_timerlist = NULL;
|
|
|
|
for (i = 0; i < NdisMediumMax; i++)
|
|
mediumarray[i] = i;
|
|
|
|
status = MSCALL6(initfunc, &openstatus, &chosenmedium,
|
|
mediumarray, NdisMediumMax, block, block);
|
|
|
|
/*
|
|
* If the init fails, blow away the other exported routines
|
|
* we obtained from the driver so we can't call them later.
|
|
* If the init failed, none of these will work.
|
|
*/
|
|
if (status != NDIS_STATUS_SUCCESS) {
|
|
NDIS_LOCK(sc);
|
|
sc->ndis_block->nmb_miniportadapterctx = NULL;
|
|
NDIS_UNLOCK(sc);
|
|
return (ENXIO);
|
|
}
|
|
|
|
/*
|
|
* This may look really goofy, but apparently it is possible
|
|
* to halt a miniport too soon after it's been initialized.
|
|
* After MiniportInitialize() finishes, pause for 1 second
|
|
* to give the chip a chance to handle any short-lived timers
|
|
* that were set in motion. If we call MiniportHalt() too soon,
|
|
* some of the timers may not be cancelled, because the driver
|
|
* expects them to fire before the halt is called.
|
|
*/
|
|
|
|
pause("ndwait", hz);
|
|
|
|
NDIS_LOCK(sc);
|
|
sc->ndis_block->nmb_devicectx = sc;
|
|
NDIS_UNLOCK(sc);
|
|
|
|
return (0);
|
|
}
|
|
|
|
static void
|
|
ndis_intrsetup(dpc, dobj, ip, sc)
|
|
kdpc *dpc;
|
|
device_object *dobj;
|
|
irp *ip;
|
|
struct ndis_softc *sc;
|
|
{
|
|
ndis_miniport_interrupt *intr;
|
|
|
|
intr = sc->ndis_block->nmb_interrupt;
|
|
|
|
/* Sanity check. */
|
|
|
|
if (intr == NULL)
|
|
return;
|
|
|
|
KeAcquireSpinLockAtDpcLevel(&intr->ni_dpccountlock);
|
|
KeResetEvent(&intr->ni_dpcevt);
|
|
if (KeInsertQueueDpc(&intr->ni_dpc, NULL, NULL) == TRUE)
|
|
intr->ni_dpccnt++;
|
|
KeReleaseSpinLockFromDpcLevel(&intr->ni_dpccountlock);
|
|
}
|
|
|
|
int
|
|
ndis_get_info(arg, oid, buf, buflen)
|
|
void *arg;
|
|
ndis_oid oid;
|
|
void *buf;
|
|
int *buflen;
|
|
{
|
|
struct ndis_softc *sc;
|
|
ndis_status rval;
|
|
ndis_handle adapter;
|
|
ndis_queryinfo_handler queryfunc;
|
|
uint32_t byteswritten = 0, bytesneeded = 0;
|
|
uint8_t irql;
|
|
uint64_t duetime;
|
|
|
|
sc = arg;
|
|
|
|
KeResetEvent(&sc->ndis_block->nmb_getevent);
|
|
|
|
KeAcquireSpinLock(&sc->ndis_block->nmb_lock, &irql);
|
|
|
|
if (sc->ndis_block->nmb_pendingreq != NULL) {
|
|
KeReleaseSpinLock(&sc->ndis_block->nmb_lock, irql);
|
|
panic("ndis_get_info() called while other request pending");
|
|
} else
|
|
sc->ndis_block->nmb_pendingreq = (ndis_request *)sc;
|
|
|
|
queryfunc = sc->ndis_chars->nmc_queryinfo_func;
|
|
adapter = sc->ndis_block->nmb_miniportadapterctx;
|
|
|
|
if (adapter == NULL || queryfunc == NULL ||
|
|
sc->ndis_block->nmb_devicectx == NULL) {
|
|
sc->ndis_block->nmb_pendingreq = NULL;
|
|
KeReleaseSpinLock(&sc->ndis_block->nmb_lock, irql);
|
|
return (ENXIO);
|
|
}
|
|
|
|
rval = MSCALL6(queryfunc, adapter, oid, buf, *buflen,
|
|
&byteswritten, &bytesneeded);
|
|
|
|
sc->ndis_block->nmb_pendingreq = NULL;
|
|
|
|
KeReleaseSpinLock(&sc->ndis_block->nmb_lock, irql);
|
|
|
|
/* Wait for requests that block. */
|
|
|
|
if (rval == NDIS_STATUS_PENDING) {
|
|
/* Wait up to 5 seconds. */
|
|
duetime = (5 * 1000000) * -10;
|
|
KeWaitForSingleObject(&sc->ndis_block->nmb_getevent,
|
|
0, 0, FALSE, &duetime);
|
|
rval = sc->ndis_block->nmb_getstat;
|
|
}
|
|
|
|
if (byteswritten)
|
|
*buflen = byteswritten;
|
|
if (bytesneeded)
|
|
*buflen = bytesneeded;
|
|
|
|
if (rval == NDIS_STATUS_INVALID_LENGTH ||
|
|
rval == NDIS_STATUS_BUFFER_TOO_SHORT)
|
|
return (ENOSPC);
|
|
|
|
if (rval == NDIS_STATUS_INVALID_OID)
|
|
return (EINVAL);
|
|
|
|
if (rval == NDIS_STATUS_NOT_SUPPORTED ||
|
|
rval == NDIS_STATUS_NOT_ACCEPTED)
|
|
return (ENOTSUP);
|
|
|
|
if (rval != NDIS_STATUS_SUCCESS)
|
|
return (ENODEV);
|
|
|
|
return (0);
|
|
}
|
|
|
|
uint32_t
|
|
NdisAddDevice(drv, pdo)
|
|
driver_object *drv;
|
|
device_object *pdo;
|
|
{
|
|
device_object *fdo;
|
|
ndis_miniport_block *block;
|
|
struct ndis_softc *sc;
|
|
uint32_t status;
|
|
int error;
|
|
|
|
sc = device_get_softc(pdo->do_devext);
|
|
|
|
if (sc->ndis_iftype == PCMCIABus || sc->ndis_iftype == PCIBus) {
|
|
error = bus_setup_intr(sc->ndis_dev, sc->ndis_irq,
|
|
INTR_TYPE_NET | INTR_MPSAFE,
|
|
NULL, ntoskrnl_intr, NULL, &sc->ndis_intrhand);
|
|
if (error)
|
|
return (NDIS_STATUS_FAILURE);
|
|
}
|
|
|
|
status = IoCreateDevice(drv, sizeof(ndis_miniport_block), NULL,
|
|
FILE_DEVICE_UNKNOWN, 0, FALSE, &fdo);
|
|
|
|
if (status != STATUS_SUCCESS)
|
|
return (status);
|
|
|
|
block = fdo->do_devext;
|
|
|
|
block->nmb_filterdbs.nf_ethdb = block;
|
|
block->nmb_deviceobj = fdo;
|
|
block->nmb_physdeviceobj = pdo;
|
|
block->nmb_nextdeviceobj = IoAttachDeviceToDeviceStack(fdo, pdo);
|
|
KeInitializeSpinLock(&block->nmb_lock);
|
|
KeInitializeSpinLock(&block->nmb_returnlock);
|
|
KeInitializeEvent(&block->nmb_getevent, EVENT_TYPE_NOTIFY, TRUE);
|
|
KeInitializeEvent(&block->nmb_setevent, EVENT_TYPE_NOTIFY, TRUE);
|
|
KeInitializeEvent(&block->nmb_resetevent, EVENT_TYPE_NOTIFY, TRUE);
|
|
InitializeListHead(&block->nmb_parmlist);
|
|
InitializeListHead(&block->nmb_returnlist);
|
|
block->nmb_returnitem = IoAllocateWorkItem(fdo);
|
|
|
|
/*
|
|
* Stash pointers to the miniport block and miniport
|
|
* characteristics info in the if_ndis softc so the
|
|
* UNIX wrapper driver can get to them later.
|
|
*/
|
|
sc->ndis_block = block;
|
|
sc->ndis_chars = IoGetDriverObjectExtension(drv, (void *)1);
|
|
|
|
/*
|
|
* If the driver has a MiniportTransferData() function,
|
|
* we should allocate a private RX packet pool.
|
|
*/
|
|
|
|
if (sc->ndis_chars->nmc_transferdata_func != NULL) {
|
|
NdisAllocatePacketPool(&status, &block->nmb_rxpool,
|
|
32, PROTOCOL_RESERVED_SIZE_IN_PACKET);
|
|
if (status != NDIS_STATUS_SUCCESS) {
|
|
IoDetachDevice(block->nmb_nextdeviceobj);
|
|
IoDeleteDevice(fdo);
|
|
return (status);
|
|
}
|
|
InitializeListHead((&block->nmb_packetlist));
|
|
}
|
|
|
|
/* Give interrupt handling priority over timers. */
|
|
IoInitializeDpcRequest(fdo, kernndis_functbl[6].ipt_wrap);
|
|
KeSetImportanceDpc(&fdo->do_dpc, KDPC_IMPORTANCE_HIGH);
|
|
|
|
/* Finish up BSD-specific setup. */
|
|
|
|
block->nmb_signature = (void *)0xcafebabe;
|
|
block->nmb_status_func = kernndis_functbl[0].ipt_wrap;
|
|
block->nmb_statusdone_func = kernndis_functbl[1].ipt_wrap;
|
|
block->nmb_setdone_func = kernndis_functbl[2].ipt_wrap;
|
|
block->nmb_querydone_func = kernndis_functbl[3].ipt_wrap;
|
|
block->nmb_resetdone_func = kernndis_functbl[4].ipt_wrap;
|
|
block->nmb_sendrsrc_func = kernndis_functbl[5].ipt_wrap;
|
|
block->nmb_pendingreq = NULL;
|
|
|
|
TAILQ_INSERT_TAIL(&ndis_devhead, block, link);
|
|
|
|
return (STATUS_SUCCESS);
|
|
}
|
|
|
|
int
|
|
ndis_unload_driver(arg)
|
|
void *arg;
|
|
{
|
|
struct ndis_softc *sc;
|
|
device_object *fdo;
|
|
|
|
sc = arg;
|
|
|
|
if (sc->ndis_intrhand)
|
|
bus_teardown_intr(sc->ndis_dev,
|
|
sc->ndis_irq, sc->ndis_intrhand);
|
|
|
|
if (sc->ndis_block->nmb_rlist != NULL)
|
|
free(sc->ndis_block->nmb_rlist, M_DEVBUF);
|
|
|
|
ndis_flush_sysctls(sc);
|
|
|
|
TAILQ_REMOVE(&ndis_devhead, sc->ndis_block, link);
|
|
|
|
if (sc->ndis_chars->nmc_transferdata_func != NULL)
|
|
NdisFreePacketPool(sc->ndis_block->nmb_rxpool);
|
|
fdo = sc->ndis_block->nmb_deviceobj;
|
|
IoFreeWorkItem(sc->ndis_block->nmb_returnitem);
|
|
IoDetachDevice(sc->ndis_block->nmb_nextdeviceobj);
|
|
IoDeleteDevice(fdo);
|
|
|
|
return (0);
|
|
}
|