/* * Copyright (c) 2003 * Bill Paul . All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. All advertising materials mentioning features or use of this software * must display the following acknowledgement: * This product includes software developed by Bill Paul. * 4. Neither the name of the author nor the names of any co-contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY Bill Paul AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL Bill Paul OR THE VOICES IN HIS HEAD * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF * THE POSSIBILITY OF SUCH DAMAGE. */ #include __FBSDID("$FreeBSD$"); #include "opt_bdg.h" #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include /* for vtophys */ #include /* for vtophys */ #include #include #include #include #include #include #include #include #include #include #include #include #include #include "ndis_driver_data.h" MODULE_DEPEND(ndis, pci, 1, 1, 1); MODULE_DEPEND(ndis, ether, 1, 1, 1); MODULE_DEPEND(ndis, ndisapi, 1, 1, 1); /* * Various supported device vendors/types and their names. * These are defined in the ndis_driver_data.h file. */ static struct ndis_type ndis_devs[] = { #ifdef NDIS_DEV_TABLE NDIS_DEV_TABLE #endif { 0, 0, NULL } }; #define __stdcall __attribute__((__stdcall__)) static int ndis_probe (device_t); static int ndis_attach (device_t); static int ndis_detach (device_t); static __stdcall void ndis_txeof (ndis_handle, ndis_packet *, ndis_status); static __stdcall void ndis_rxeof (ndis_handle, ndis_packet **, uint32_t); static void ndis_intr (void *); static void ndis_tick (void *); static void ndis_start (struct ifnet *); static int ndis_ioctl (struct ifnet *, u_long, caddr_t); static void ndis_init (void *); static void ndis_stop (struct ndis_softc *); static void ndis_watchdog (struct ifnet *); static void ndis_shutdown (device_t); static int ndis_ifmedia_upd (struct ifnet *); static void ndis_ifmedia_sts (struct ifnet *, struct ifmediareq *); static void ndis_reset (struct ndis_softc *); static void ndis_setmulti (struct ndis_softc *); static void ndis_map_sclist (void *, bus_dma_segment_t *, int, bus_size_t, int); #ifdef NDIS_USEIOSPACE #define NDIS_RES SYS_RES_IOPORT #define NDIS_RID NDIS_PCI_LOIO #else #define NDIS_RES SYS_RES_MEMORY #define NDIS_RID NDIS_PCI_LOMEM #endif static device_method_t ndis_methods[] = { /* Device interface */ DEVMETHOD(device_probe, ndis_probe), DEVMETHOD(device_attach, ndis_attach), DEVMETHOD(device_detach, ndis_detach), DEVMETHOD(device_shutdown, ndis_shutdown), { 0, 0 } }; static driver_t ndis_driver = { "ndis", ndis_methods, sizeof(struct ndis_softc) }; static devclass_t ndis_devclass; DRIVER_MODULE(ndis, pci, ndis_driver, ndis_devclass, 0, 0); /* * Program the 64-bit multicast hash filter. */ static void ndis_setmulti(sc) struct ndis_softc *sc; { #ifdef notyet uint32_t ndis_filter; int len; #endif return; } static void ndis_reset(sc) struct ndis_softc *sc; { ndis_reset_nic(sc); return; } /* * Probe for an NDIS device. Check the PCI vendor and device * IDs against our list and return a device name if we find a match. */ static int ndis_probe(dev) device_t dev; { struct ndis_type *t; t = ndis_devs; while(t->ndis_name != NULL) { if ((pci_get_vendor(dev) == t->ndis_vid) && (pci_get_device(dev) == t->ndis_did)) { device_set_desc(dev, t->ndis_name); return(0); } t++; } return(ENXIO); } /* * Attach the interface. Allocate softc structures, do ifmedia * setup and ethernet/BPF attach. */ static int ndis_attach(dev) device_t dev; { u_char eaddr[ETHER_ADDR_LEN]; struct ndis_softc *sc; struct ifnet *ifp; int unit, error = 0, rid, len; void *img; sc = device_get_softc(dev); unit = device_get_unit(dev); mtx_init(&sc->ndis_mtx, device_get_nameunit(dev), MTX_NETWORK_LOCK, MTX_DEF | MTX_RECURSE); /* * Map control/status registers. */ pci_enable_busmaster(dev); /* Try to map iospace */ sc->ndis_io_rid = NDIS_PCI_LOIO; sc->ndis_res_io = bus_alloc_resource(dev, SYS_RES_IOPORT, &sc->ndis_io_rid, 0, ~0, 1, RF_ACTIVE); /* * Sometimes the iospace and memspace BARs are swapped. * Make one more try to map I/O space using a different * RID. */ if (sc->ndis_res_io == NULL) { sc->ndis_io_rid = NDIS_PCI_LOMEM; sc->ndis_res_io = bus_alloc_resource(dev, SYS_RES_IOPORT, &sc->ndis_io_rid, 0, ~0, 1, RF_ACTIVE); } if (sc->ndis_res_io != NULL) sc->ndis_rescnt++; /* Now try to mem memory space */ sc->ndis_mem_rid = NDIS_PCI_LOMEM; sc->ndis_res_mem = bus_alloc_resource(dev, SYS_RES_MEMORY, &sc->ndis_mem_rid, 0, ~0, 1, RF_ACTIVE); /* * If the first attempt fails, try again with another * BAR. */ if (sc->ndis_res_mem == NULL) { sc->ndis_mem_rid = NDIS_PCI_LOIO; sc->ndis_res_mem = bus_alloc_resource(dev, SYS_RES_MEMORY, &sc->ndis_mem_rid, 0, ~0, 1, RF_ACTIVE); } if (sc->ndis_res_mem != NULL) sc->ndis_rescnt++; if (!sc->ndis_rescnt) { printf("ndis%d: couldn't map ports/memory\n", unit); error = ENXIO; goto fail; } #ifdef notdef sc->ndis_btag = rman_get_bustag(sc->ndis_res); sc->ndis_bhandle = rman_get_bushandle(sc->ndis_res); #endif /* Allocate interrupt */ rid = 0; sc->ndis_irq = bus_alloc_resource(dev, SYS_RES_IRQ, &rid, 0, ~0, 1, RF_SHAREABLE | RF_ACTIVE); if (sc->ndis_irq == NULL) { printf("ndis%d: couldn't map interrupt\n", unit); error = ENXIO; goto fail; } sc->ndis_rescnt++; /* * Allocate the parent bus DMA tag appropriate for PCI. */ #define NDIS_NSEG_NEW 32 error = bus_dma_tag_create(NULL, /* parent */ 1, 0, /* alignment, boundary */ BUS_SPACE_MAXADDR_32BIT,/* lowaddr */ BUS_SPACE_MAXADDR, /* highaddr */ NULL, NULL, /* filter, filterarg */ MAXBSIZE, NDIS_NSEG_NEW,/* maxsize, nsegments */ BUS_SPACE_MAXSIZE_32BIT,/* maxsegsize */ BUS_DMA_ALLOCNOW, /* flags */ NULL, NULL, /* lockfunc, lockarg */ &sc->ndis_parent_tag); if (error) goto fail; img = drv_data; sc->ndis_dev = dev; sc->ndis_regvals = ndis_regvals; sc->ndis_iftype = PCIBus; sysctl_ctx_init(&sc->ndis_ctx); /* Create sysctl registry nodes */ ndis_create_sysctls(sc); /* Set up driver image in memory. */ ndis_load_driver((vm_offset_t)img, sc); /* Do resource conversion. */ ndis_convert_res(sc); /* Install our RX and TX interrupt handlers. */ sc->ndis_block.nmb_senddone_func = ndis_txeof; sc->ndis_block.nmb_pktind_func = ndis_rxeof; /* Call driver's init routine. */ if (ndis_init_nic(sc)) { printf ("ndis%d: init handler failed\n", sc->ndis_unit); error = ENXIO; goto fail; } /* Reset the adapter. */ ndis_reset(sc); /* * Get station address from the driver. */ len = sizeof(eaddr); ndis_get_info(sc, OID_802_3_CURRENT_ADDRESS, &eaddr, &len); /* * An NDIS device was detected. Inform the world. */ printf("ndis%d: Ethernet address: %6D\n", unit, eaddr, ":"); sc->ndis_unit = unit; bcopy(eaddr, (char *)&sc->arpcom.ac_enaddr, ETHER_ADDR_LEN); /* * Figure out of we're allowed to use multipacket sends * with this driver, and if so, how many. */ if (sc->ndis_chars.nmc_sendsingle_func) sc->ndis_maxpkts = 1; else { len = sizeof(sc->ndis_maxpkts); ndis_get_info(sc, OID_GEN_MAXIMUM_SEND_PACKETS, &sc->ndis_maxpkts, &len); sc->ndis_txarray = malloc(sizeof(ndis_packet *) * sc->ndis_maxpkts, M_DEVBUF, M_NOWAIT); bzero((char *)sc->ndis_txarray, sizeof(ndis_packet *) * sc->ndis_maxpkts); } sc->ndis_txpending = sc->ndis_maxpkts; sc->ndis_mbufs = malloc(sizeof(struct mbuf) * sc->ndis_maxpkts, M_DEVBUF, M_NOWAIT); if (sc->ndis_mbufs == NULL) goto fail; sc->ndis_oidcnt = 0; /* Get supported oid list. */ ndis_get_supported_oids(sc, &sc->ndis_oids, &sc->ndis_oidcnt); /* If the NDIS module requested scatter/gather, init maps. */ if (sc->ndis_sc) ndis_init_dma(sc); ifmedia_init(&sc->ifmedia, IFM_IMASK, ndis_ifmedia_upd, ndis_ifmedia_sts); ifmedia_add(&sc->ifmedia, IFM_ETHER|IFM_10_T, 0, NULL); ifmedia_add(&sc->ifmedia, IFM_ETHER|IFM_10_T|IFM_FDX, 0, NULL); ifmedia_add(&sc->ifmedia, IFM_ETHER|IFM_100_TX, 0, NULL); ifmedia_add(&sc->ifmedia, IFM_ETHER|IFM_100_TX|IFM_FDX, 0, NULL); ifmedia_add(&sc->ifmedia, IFM_ETHER|IFM_AUTO, 0, NULL); ifmedia_set(&sc->ifmedia, IFM_ETHER|IFM_AUTO); ifp = &sc->arpcom.ac_if; ifp->if_softc = sc; if_initname(ifp, device_get_name(dev), device_get_unit(dev)); ifp->if_mtu = ETHERMTU; ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST; ifp->if_ioctl = ndis_ioctl; ifp->if_output = ether_output; ifp->if_start = ndis_start; ifp->if_watchdog = ndis_watchdog; ifp->if_init = ndis_init; ifp->if_baudrate = 10000000; ifp->if_snd.ifq_maxlen = 50; /* * Call MI attach routine. */ ether_ifattach(ifp, eaddr); /* Hook interrupt last to avoid having to lock softc */ error = bus_setup_intr(dev, sc->ndis_irq, INTR_TYPE_NET, ndis_intr, sc, &sc->ndis_intrhand); if (error) { printf("ndis%d: couldn't set up irq\n", unit); ether_ifdetach(ifp); goto fail; } fail: if (error) ndis_detach(dev); return(error); } /* * Shutdown hardware and free up resources. This can be called any * time after the mutex has been initialized. It is called in both * the error case in attach and the normal detach case so it needs * to be careful about only freeing resources that have actually been * allocated. */ static int ndis_detach(dev) device_t dev; { struct ndis_softc *sc; struct ifnet *ifp; sc = device_get_softc(dev); KASSERT(mtx_initialized(&sc->ndis_mtx), ("ndis mutex not initialized")); NDIS_LOCK(sc); ifp = &sc->arpcom.ac_if; if (device_is_attached(dev)) { NDIS_UNLOCK(sc); ndis_stop(sc); ether_ifdetach(ifp); NDIS_LOCK(sc); } bus_generic_detach(dev); if (sc->ndis_intrhand) bus_teardown_intr(dev, sc->ndis_irq, sc->ndis_intrhand); if (sc->ndis_irq) bus_release_resource(dev, SYS_RES_IRQ, 0, sc->ndis_irq); if (sc->ndis_res_io) bus_release_resource(dev, SYS_RES_IOPORT, sc->ndis_io_rid, sc->ndis_res_io); if (sc->ndis_res_mem) bus_release_resource(dev, SYS_RES_MEMORY, sc->ndis_mem_rid, sc->ndis_res_mem); if (sc->ndis_sc) ndis_destroy_dma(sc); ndis_unload_driver((void *)ifp); bus_dma_tag_destroy(sc->ndis_parent_tag); sysctl_ctx_free(&sc->ndis_ctx); NDIS_UNLOCK(sc); mtx_destroy(&sc->ndis_mtx); return(0); } /* * A frame has been uploaded: pass the resulting mbuf chain up to * the higher level protocols. */ __stdcall static void ndis_rxeof(adapter, packets, pktcnt) ndis_handle adapter; ndis_packet **packets; uint32_t pktcnt; { struct ndis_softc *sc; ndis_miniport_block *block; ndis_packet *p; struct ifnet *ifp; struct mbuf *m0; int i; block = (ndis_miniport_block *)adapter; sc = (struct ndis_softc *)(block->nmb_ifp); ifp = block->nmb_ifp; for (i = 0; i < pktcnt; i++) { p = packets[i]; if (ndis_ptom(&m0, p)) { printf ("ndis%d: ptom failed\n", sc->ndis_unit); ndis_return_packet(sc, p); } else { MEXTADD(m0, m0->m_data, m0->m_pkthdr.len, ndis_return_packet, sc, 0, EXT_NET_DRV); m0->m_ext.ext_buf = (void *)p; /* XXX */ m0->m_pkthdr.rcvif = ifp; ifp->if_ipackets++; (*ifp->if_input)(ifp, m0); } } return; } /* * A frame was downloaded to the chip. It's safe for us to clean up * the list buffers. */ __stdcall static void ndis_txeof(adapter, packet, status) ndis_handle adapter; ndis_packet *packet; ndis_status status; { struct ndis_softc *sc; ndis_miniport_block *block; struct ifnet *ifp; int idx; block = (ndis_miniport_block *)adapter; sc = (struct ndis_softc *)block->nmb_ifp; ifp = block->nmb_ifp; if (packet->np_rsvd[1] != NULL) { idx = (int)packet->np_rsvd[1]; ifp->if_opackets++; if (sc->ndis_mbufs[idx] != NULL) { m_freem(sc->ndis_mbufs[idx]); sc->ndis_mbufs[idx] = NULL; } if (sc->ndis_sc) bus_dmamap_unload(sc->ndis_ttag, sc->ndis_tmaps[idx]); } ndis_free_packet(packet); sc->ndis_txpending++; ifp->if_timer = 0; ifp->if_flags &= ~IFF_OACTIVE; if (ifp->if_snd.ifq_head != NULL) ndis_start(ifp); return; } static void ndis_intr(arg) void *arg; { struct ndis_softc *sc; struct ifnet *ifp; int is_our_intr = 0; int call_isr = 0; sc = arg; /*NDIS_LOCK(sc);*/ ifp = &sc->arpcom.ac_if; /* if (!(ifp->if_flags & IFF_UP)) { NDIS_UNLOCK(sc); return; } */ ndis_isr(sc, &is_our_intr, &call_isr); if (is_our_intr || call_isr) ndis_intrhand(sc); if (ifp->if_snd.ifq_head != NULL) ndis_start(ifp); /*NDIS_UNLOCK(sc);*/ return; } static void ndis_tick(xsc) void *xsc; { struct ndis_softc *sc; __stdcall ndis_checkforhang_handler hangfunc; uint8_t rval; sc = xsc; NDIS_LOCK(sc); hangfunc = sc->ndis_chars.nmc_checkhang_func; if (hangfunc != NULL) { rval = hangfunc(sc->ndis_block.nmb_miniportadapterctx); if (rval == TRUE) ndis_reset_nic(sc); } sc->ndis_stat_ch = timeout(ndis_tick, sc, hz * sc->ndis_block.nmb_checkforhangsecs); NDIS_UNLOCK(sc); return; } static void ndis_map_sclist(arg, segs, nseg, mapsize, error) void *arg; bus_dma_segment_t *segs; int nseg; bus_size_t mapsize; int error; { struct ndis_sc_list *sclist; int i; if (error || arg == NULL) return; sclist = arg; sclist->nsl_frags = nseg; for (i = 0; i < nseg; i++) { sclist->nsl_elements[i].nse_addr.np_quad = segs[i].ds_addr; sclist->nsl_elements[i].nse_len = segs[i].ds_len; } return; } /* * Main transmit routine. To make NDIS drivers happy, we need to * transform mbuf chains into NDIS packets and feed them to the * send packet routines. Most drivers allow you to send several * packets at once (up to the maxpkts limit). Unfortunately, rather * that accepting them in the form of a linked list, they expect * a contiguous array of pointers to packets. * * For those drivers which use the NDIS scatter/gather DMA mechanism, * we need to perform busdma work here. Those that use map registers * will do the mapping themselves on a buffer by buffer basis. */ static void ndis_start(ifp) struct ifnet *ifp; { struct ndis_softc *sc; struct mbuf *m = NULL; ndis_packet **p0 = NULL, *p = NULL; int pcnt = 0; sc = ifp->if_softc; p0 = &sc->ndis_txarray[sc->ndis_txidx]; while(sc->ndis_txpending) { IF_DEQUEUE(&ifp->if_snd, m); if (m == NULL) break; NDIS_LOCK(sc); sc->ndis_txarray[sc->ndis_txidx] = NULL; if (ndis_mtop(m, &sc->ndis_txarray[sc->ndis_txidx])) { NDIS_UNLOCK(sc); IF_PREPEND(&ifp->if_snd, m); return; } /* * Save pointer to original mbuf * so we can free it later. */ sc->ndis_mbufs[sc->ndis_txidx] = m; (sc->ndis_txarray[sc->ndis_txidx])->np_rsvd[1] = (uint32_t *)sc->ndis_txidx; /* * Do scatter/gather processing, if driver requested it. */ if (sc->ndis_sc) { p = sc->ndis_txarray[sc->ndis_txidx]; bus_dmamap_load_mbuf(sc->ndis_ttag, sc->ndis_tmaps[sc->ndis_txidx], m, ndis_map_sclist, &p->np_sclist, BUS_DMA_NOWAIT); bus_dmamap_sync(sc->ndis_ttag, sc->ndis_tmaps[sc->ndis_txidx], BUS_DMASYNC_PREREAD); p->np_ext.npe_info[ndis_sclist_info] = &p->np_sclist; } NDIS_INC(sc); sc->ndis_txpending--; NDIS_UNLOCK(sc); pcnt++; /* * If there's a BPF listener, bounce a copy of this frame * to him. */ BPF_MTAP(ifp, m); /* * The array that p0 points to must appear contiguous, * so we must not wrap past the end of sc->ndis_txarray[]. * If it looks like we're about to wrap, break out here * so the this batch of packets can be transmitted, then * wait for txeof to ask us to send the rest. */ if (sc->ndis_txidx == 0) break; } if (sc->ndis_txpending == 0) ifp->if_flags |= IFF_OACTIVE; ndis_send_packets(sc, p0, pcnt); /* * Set a timeout in case the chip goes out to lunch. */ ifp->if_timer = 5; return; } static void ndis_init(xsc) void *xsc; { struct ndis_softc *sc = xsc; struct ifnet *ifp = &sc->arpcom.ac_if; int i, error; uint32_t ndis_filter = 0; /*NDIS_LOCK(sc);*/ /* * Cancel pending I/O and free all RX/TX buffers. */ ndis_reset(sc); ndis_stop(sc); ndis_init_nic(sc); /* Init our MAC address */ #ifdef notdef /* * Program the multicast filter, if necessary. */ ndis_setmulti(sc); #endif /* Program the packet filter */ ndis_filter = NDIS_PACKET_TYPE_DIRECTED; if (ifp->if_flags & IFF_BROADCAST) ndis_filter |= NDIS_PACKET_TYPE_BROADCAST; if (ifp->if_flags & IFF_PROMISC) ndis_filter |= NDIS_PACKET_TYPE_PROMISCUOUS; if (ifp->if_flags & IFF_MULTICAST) ndis_filter |= NDIS_PACKET_TYPE_MULTICAST; i = sizeof(ndis_filter); error = ndis_set_info(sc, OID_GEN_CURRENT_PACKET_FILTER, &ndis_filter, &i); if (error) printf ("set filter failed: %d\n", error); ifp->if_flags |= IFF_RUNNING; ifp->if_flags &= ~IFF_OACTIVE; if (sc->ndis_chars.nmc_checkhang_func != NULL) sc->ndis_stat_ch = timeout(ndis_tick, sc, hz * sc->ndis_block.nmb_checkforhangsecs); /*NDIS_UNLOCK(sc);*/ return; } /* * Set media options. */ static int ndis_ifmedia_upd(ifp) struct ifnet *ifp; { struct ndis_softc *sc; sc = ifp->if_softc; if (ifp->if_flags & IFF_UP) ndis_init(sc); return(0); } /* * Report current media status. */ static void ndis_ifmedia_sts(ifp, ifmr) struct ifnet *ifp; struct ifmediareq *ifmr; { struct ndis_softc *sc; uint32_t media_info; ndis_media_state linkstate; int error, len; sc = ifp->if_softc; len = sizeof(linkstate); error = ndis_get_info(sc, OID_GEN_MEDIA_CONNECT_STATUS, (void *)&linkstate, &len); len = sizeof(media_info); error = ndis_get_info(sc, OID_GEN_LINK_SPEED, (void *)&media_info, &len); ifmr->ifm_status = IFM_AVALID; ifmr->ifm_active = IFM_ETHER; if (linkstate == nmc_connected) ifmr->ifm_status |= IFM_ACTIVE; switch(media_info) { case 100000: ifmr->ifm_active |= IFM_10_T; break; case 1000000: ifmr->ifm_active |= IFM_100_TX; break; case 10000000: ifmr->ifm_active |= IFM_1000_T; break; default: printf("ndis%d: unknown speed: %d\n", sc->ndis_unit, media_info); break; } return; } static int ndis_ioctl(ifp, command, data) struct ifnet *ifp; u_long command; caddr_t data; { struct ndis_softc *sc = ifp->if_softc; struct ifreq *ifr = (struct ifreq *) data; int error = 0; /*NDIS_LOCK(sc);*/ switch(command) { case SIOCSIFFLAGS: if (ifp->if_flags & IFF_UP) { ndis_init(sc); } else { if (ifp->if_flags & IFF_RUNNING) ndis_stop(sc); } error = 0; break; case SIOCADDMULTI: case SIOCDELMULTI: ndis_setmulti(sc); error = 0; break; case SIOCGIFMEDIA: case SIOCSIFMEDIA: error = ifmedia_ioctl(ifp, ifr, &sc->ifmedia, command); break; default: error = ether_ioctl(ifp, command, data); break; } /*NDIS_UNLOCK(sc);*/ return(error); } static void ndis_watchdog(ifp) struct ifnet *ifp; { struct ndis_softc *sc; sc = ifp->if_softc; NDIS_LOCK(sc); ifp->if_oerrors++; printf("ndis%d: watchdog timeout\n", sc->ndis_unit); ndis_reset(sc); if (ifp->if_snd.ifq_head != NULL) ndis_start(ifp); NDIS_UNLOCK(sc); return; } /* * Stop the adapter and free any mbufs allocated to the * RX and TX lists. */ static void ndis_stop(sc) struct ndis_softc *sc; { struct ifnet *ifp; /* NDIS_LOCK(sc);*/ ifp = &sc->arpcom.ac_if; ifp->if_timer = 0; untimeout(ndis_tick, sc, sc->ndis_stat_ch); ndis_halt_nic(sc); ifp->if_flags &= ~(IFF_RUNNING | IFF_OACTIVE); /*NDIS_UNLOCK(sc);*/ return; } /* * Stop all chip I/O so that the kernel's probe routines don't * get confused by errant DMAs when rebooting. */ static void ndis_shutdown(dev) device_t dev; { struct ndis_softc *sc; sc = device_get_softc(dev); /* ndis_shutdown_nic(sc); */ return; }