/* * 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: src/sys/dev/if_ndis/if_ndis.c,v 1.26 2004/01/12 03:49:20 wpaul Exp $"); #include "opt_bdg.h" #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #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, wlan, 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, 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 __stdcall void ndis_linksts (ndis_handle, ndis_status, void *, uint32_t); static __stdcall void ndis_linksts_done (ndis_handle); static void ndis_intr (void *); static void ndis_intrtask (void *, int); static void ndis_tick (void *); static void ndis_ticktask (void *, int); static void ndis_start (struct ifnet *); static void ndis_starttask (void *, int); static int ndis_ioctl (struct ifnet *, u_long, caddr_t); static int ndis_wi_ioctl_get (struct ifnet *, u_long, caddr_t); static int ndis_wi_ioctl_set (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 int ndis_get_assoc (struct ndis_softc *, ndis_wlan_bssid_ex *); static void ndis_getstate_80211 (struct ndis_softc *); static void ndis_setstate_80211 (struct ndis_softc *); static void ndis_media_status (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); extern struct mtx_pool *ndis_mtxpool; 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 = { #ifdef NDIS_DEVNAME NDIS_DEVNAME, #else "ndis", #endif ndis_methods, sizeof(struct ndis_softc) }; static devclass_t ndis_devclass; #ifdef NDIS_MODNAME #define NDIS_MODNAME_OVERRIDE_PCI(x) \ DRIVER_MODULE(x, pci, ndis_driver, ndis_devclass, 0, 0) #define NDIS_MODNAME_OVERRIDE_CARDBUS(x) \ DRIVER_MODULE(x, cardbus, ndis_driver, ndis_devclass, 0, 0) NDIS_MODNAME_OVERRIDE_PCI(NDIS_MODNAME); NDIS_MODNAME_OVERRIDE_CARDBUS(NDIS_MODNAME); #else DRIVER_MODULE(ndis, pci, ndis_driver, ndis_devclass, 0, 0); DRIVER_MODULE(ndis, cardbus, ndis_driver, ndis_devclass, 0, 0); #endif /* * 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) && ((pci_read_config(dev, PCIR_SUBVEND_0, 4) == t->ndis_subsys) || t->ndis_subsys == 0)) { 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 = NULL; int unit, error = 0, rid, len; void *img; struct ndis_type *t; int i, devidx = 0, defidx = 0; struct resource_list *rl; struct resource_list_entry *rle; sc = device_get_softc(dev); unit = device_get_unit(dev); sc->ndis_dev = dev; sc->ndis_mtx = mtx_pool_alloc(ndis_mtxpool); sc->ndis_intrmtx = mtx_pool_alloc(ndis_mtxpool); TASK_INIT(&sc->ndis_intrtask, 0, ndis_intrtask, sc); TASK_INIT(&sc->ndis_ticktask, 0, ndis_ticktask, sc); TASK_INIT(&sc->ndis_starttask, 0, ndis_starttask, sc); /* * Map control/status registers. */ pci_enable_busmaster(dev); rl = BUS_GET_RESOURCE_LIST(device_get_parent(dev), dev); if (rl != NULL) { SLIST_FOREACH(rle, rl, link) { switch (rle->type) { case SYS_RES_IOPORT: sc->ndis_io_rid = rle->rid; 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) { device_printf(dev, "couldn't map iospace\n"); error = ENXIO; goto fail; } break; case SYS_RES_MEMORY: if (sc->ndis_res_altmem != NULL && sc->ndis_res_mem != NULL) { device_printf(dev, "too many memory resources\n"); error = ENXIO; goto fail; } if (rle->rid == PCIR_BAR(2)) { sc->ndis_altmem_rid = rle->rid; sc->ndis_res_altmem = bus_alloc_resource(dev, SYS_RES_MEMORY, &sc->ndis_altmem_rid, 0, ~0, 1, RF_ACTIVE); if (sc->ndis_res_altmem == NULL) { device_printf(dev, "couldn't map alt " "memory\n"); error = ENXIO; goto fail; } } else { sc->ndis_mem_rid = rle->rid; 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) { device_printf(dev, "couldn't map memory\n"); error = ENXIO; goto fail; } } break; case SYS_RES_IRQ: rid = rle->rid; sc->ndis_irq = bus_alloc_resource(dev, SYS_RES_IRQ, &rid, 0, ~0, 1, RF_SHAREABLE | RF_ACTIVE); if (sc->ndis_irq == NULL) { device_printf(dev, "couldn't map interrupt\n"); error = ENXIO; goto fail; } break; default: break; } sc->ndis_rescnt++; } } /* * Hook interrupt early, since calling the driver's * init routine may trigger an interrupt. */ error = bus_setup_intr(dev, sc->ndis_irq, INTR_TYPE_NET, ndis_intr, sc, &sc->ndis_intrhand); if (error) { device_printf(dev, "couldn't set up irq\n"); goto fail; } /* * 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_regvals = ndis_regvals; sc->ndis_iftype = PCIBus; /* Figure out exactly which device we matched. */ t = ndis_devs; while(t->ndis_name != NULL) { if ((pci_get_vendor(dev) == t->ndis_vid) && (pci_get_device(dev) == t->ndis_did)) { if (t->ndis_subsys == 0) defidx = devidx; else { if (t->ndis_subsys == pci_read_config(dev, PCIR_SUBVEND_0, 4)) break; } } t++; devidx++; } if (ndis_devs[devidx].ndis_name == NULL) sc->ndis_devidx = defidx; else sc->ndis_devidx = devidx; 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); /* Tell the user what version of the API the driver is using. */ device_printf(dev, "NDIS API version: %d.%d\n", sc->ndis_chars.nmc_version_major, sc->ndis_chars.nmc_version_minor); /* 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)) { device_printf (dev, "init handler failed\n"); 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); 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_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); /* * See if the OID_802_11_NETWORK_TYPES_SUPPORTED OID is * supported by this driver. If it is, then this an 802.11 * wireless driver, and we should set up media for wireless. */ for (i = 0; i < sc->ndis_oidcnt; i++) { if (sc->ndis_oids[i] == OID_802_11_NETWORK_TYPES_SUPPORTED) { sc->ndis_80211++; break; } } /* * An NDIS device was detected. Inform the world. */ device_printf(dev, "%s address: %6D\n", sc->ndis_80211 ? "802.11" : "Ethernet", eaddr, ":"); 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; /* Do media setup */ if (sc->ndis_80211) { struct ieee80211com *ic = (void *)ifp; ndis_80211_config config; ndis_80211_rates rates; struct ndis_80211_nettype_list *ntl; uint32_t arg; int r; ic->ic_phytype = IEEE80211_T_DS; ic->ic_opmode = IEEE80211_M_STA; ic->ic_caps = IEEE80211_C_IBSS; ic->ic_state = IEEE80211_S_ASSOC; ic->ic_modecaps = (1<ntl_items; i++) { switch (ntl->ntl_type[i]) { case NDIS_80211_NETTYPE_11FH: ic->ic_modecaps |= (1<ic_modecaps |= (1<ic_modecaps |= (1<ic_modecaps |= (1<ic_sup_rates[x].rs_rates[ic->ic_sup_rates[x].rs_nrates] = (y) #define INCRATE(x) \ ic->ic_sup_rates[x].rs_nrates++ ic->ic_curmode = IEEE80211_MODE_AUTO; if (ic->ic_modecaps & (1<ic_sup_rates[IEEE80211_MODE_11A].rs_nrates = 0; if (ic->ic_modecaps & (1<ic_sup_rates[IEEE80211_MODE_11B].rs_nrates = 0; if (ic->ic_modecaps & (1<ic_sup_rates[IEEE80211_MODE_11G].rs_nrates = 0; for (i = 0; i < len; i++) { switch (rates[i] & IEEE80211_RATE_VAL) { case 2: case 4: case 11: case 10: case 22: if (!(ic->ic_modecaps & (1<ic_modecaps |= (1<ic_sup_rates[IEEE80211_MODE_11B]. rs_nrates = 0; } SETRATE(IEEE80211_MODE_11B, rates[i]); INCRATE(IEEE80211_MODE_11B); break; default: if (ic->ic_modecaps & (1<ic_modecaps & (1<ic_modecaps & (1<ic_modecaps & (1<ic_sup_rates[IEEE80211_MODE_11G].rs_nrates) chanflag |= IEEE80211_CHAN_G; if (i <= 14) chanflag |= IEEE80211_CHAN_B; if (chanflag == 0) break; ic->ic_channels[i].ic_freq = ieee80211_ieee2mhz(i, chanflag); ic->ic_channels[i].ic_flags = chanflag; } i = sizeof(arg); r = ndis_get_info(sc, OID_802_11_WEP_STATUS, &arg, &i); if (arg != NDIS_80211_WEPSTAT_NOTSUPPORTED) ic->ic_caps |= IEEE80211_C_WEP; i = sizeof(arg); r = ndis_get_info(sc, OID_802_11_POWER_MODE, &arg, &i); if (r == 0) ic->ic_caps |= IEEE80211_C_PMGT; i = sizeof(config); r = ndis_get_info(sc, OID_802_11_CONFIGURATION, &config, &i); if (r == 0) { int chan; chan = ieee80211_mhz2ieee(config.nc_dsconfig / 1000, 0); if (chan < 0 || chan >= IEEE80211_CHAN_MAX) { ic->ic_ibss_chan = &ic->ic_channels[1]; } else ic->ic_ibss_chan = &ic->ic_channels[chan]; } else { device_printf(sc->ndis_dev, "couldn't retrieve " "channel info: %d\n", r); ic->ic_ibss_chan = &ic->ic_channels[1]; } bcopy(eaddr, &ic->ic_myaddr, sizeof(eaddr)); ieee80211_ifattach(ifp); ieee80211_media_init(ifp, ieee80211_media_change, ndis_media_status); ic->ic_bss->ni_chan = ic->ic_ibss_chan; } else { 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); ether_ifattach(ifp, eaddr); } /* Override the status handler so we can detect link changes. */ sc->ndis_block.nmb_status_func = ndis_linksts; sc->ndis_block.nmb_statusdone_func = ndis_linksts_done; fail: if (error) ndis_detach(dev); else { /* We're done talking to the NIC for now; halt it. */ ifp->if_flags |= IFF_UP; ndis_halt_nic(sc); ifp->if_flags &= ~IFF_UP; } 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; ifp->if_flags &= ~IFF_UP; if (device_is_attached(dev)) { NDIS_UNLOCK(sc); ndis_stop(sc); if (sc->ndis_80211) ieee80211_ifdetach(ifp); else ether_ifdetach(ifp); } else NDIS_UNLOCK(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_res_altmem) bus_release_resource(dev, SYS_RES_MEMORY, sc->ndis_altmem_rid, sc->ndis_res_altmem); 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); return(0); } /* * A frame has been uploaded: pass the resulting mbuf chain up to * the higher level protocols. * * When handling received NDIS packets, the 'status' field in the * out-of-band portion of the ndis_packet has special meaning. In the * most common case, the underlying NDIS driver will set this field * to NDIS_STATUS_SUCCESS, which indicates that it's ok for us to * take posession of it. We then change the status field to * NDIS_STATUS_PENDING to tell the driver that we now own the packet, * and that we will return it at some point in the future via the * return packet handler. * * If the driver hands us a packet with a status of NDIS_STATUS_RESOURCES, * this means the driver is running out of packet/buffer resources and * wants to maintain ownership of the packet. In this case, we have to * copy the packet data into local storage and let the driver keep the * packet. */ __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, *m; 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]; /* Stash the softc here so ptom can use it. */ p->np_softc = sc; if (ndis_ptom(&m0, p)) { device_printf (sc->ndis_dev, "ptom failed\n"); if (p->np_oob.npo_status == NDIS_STATUS_SUCCESS) ndis_return_packet(sc, p); } else { if (p->np_oob.npo_status == NDIS_STATUS_RESOURCES) { m = m_dup(m0, M_DONTWAIT); m_freem(m0); if (m == NULL) ifp->if_ierrors++; else m0 = m; } else p->np_oob.npo_status = NDIS_STATUS_PENDING; 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; struct mbuf *m; block = (ndis_miniport_block *)adapter; sc = (struct ndis_softc *)block->nmb_ifp; ifp = block->nmb_ifp; m = packet->np_m0; idx = packet->np_txidx; ifp->if_opackets++; if (sc->ndis_sc) bus_dmamap_unload(sc->ndis_ttag, sc->ndis_tmaps[idx]); ndis_free_packet(packet); sc->ndis_txarray[idx] = NULL; sc->ndis_txpending++; ifp->if_timer = 0; ifp->if_flags &= ~IFF_OACTIVE; m_freem(m); taskqueue_enqueue(taskqueue_swi, &sc->ndis_starttask); return; } __stdcall static void ndis_linksts(adapter, status, sbuf, slen) ndis_handle adapter; ndis_status status; void *sbuf; uint32_t slen; { ndis_miniport_block *block; block = adapter; block->nmb_getstat = status; return; } __stdcall static void ndis_linksts_done(adapter) ndis_handle adapter; { ndis_miniport_block *block; struct ndis_softc *sc; struct ifnet *ifp; block = adapter; ifp = block->nmb_ifp; sc = ifp->if_softc; if (!(ifp->if_flags & IFF_UP)) return; switch (block->nmb_getstat) { case NDIS_STATUS_MEDIA_CONNECT: taskqueue_enqueue(taskqueue_swi, &sc->ndis_ticktask); taskqueue_enqueue(taskqueue_swi, &sc->ndis_starttask); break; case NDIS_STATUS_MEDIA_DISCONNECT: if (sc->ndis_80211) ndis_getstate_80211(sc); taskqueue_enqueue(taskqueue_swi, &sc->ndis_ticktask); break; default: break; } return; } static void ndis_intrtask(arg, pending) void *arg; int pending; { struct ndis_softc *sc; struct ifnet *ifp; sc = arg; ifp = &sc->arpcom.ac_if; NDIS_LOCK(sc); ndis_intrhand(sc); NDIS_UNLOCK(sc); mtx_lock(sc->ndis_intrmtx); ndis_enable_intr(sc); mtx_unlock(sc->ndis_intrmtx); 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; ifp = &sc->arpcom.ac_if; if (!(ifp->if_flags & IFF_UP) && sc->ndis_block.nmb_miniportadapterctx == NULL) return; mtx_lock(sc->ndis_intrmtx); if (sc->ndis_block.nmb_interrupt->ni_isrreq == TRUE) ndis_isr(sc, &is_our_intr, &call_isr); else { ndis_disable_intr(sc); call_isr = 1; } mtx_unlock(sc->ndis_intrmtx); if ((is_our_intr || call_isr) && (ifp->if_flags & IFF_UP)) taskqueue_enqueue(taskqueue_swi, &sc->ndis_intrtask); return; } static void ndis_tick(xsc) void *xsc; { struct ndis_softc *sc; sc = xsc; taskqueue_enqueue(taskqueue_swi, &sc->ndis_ticktask); sc->ndis_stat_ch = timeout(ndis_tick, sc, hz * sc->ndis_block.nmb_checkforhangsecs); } static void ndis_ticktask(xsc, pending) void *xsc; int pending; { struct ndis_softc *sc; __stdcall ndis_checkforhang_handler hangfunc; uint8_t rval; ndis_media_state linkstate; int error, len; sc = xsc; len = sizeof(linkstate); error = ndis_get_info(sc, OID_GEN_MEDIA_CONNECT_STATUS, (void *)&linkstate, &len); NDIS_LOCK(sc); if (sc->ndis_link == 0 && linkstate == nmc_connected) { device_printf(sc->ndis_dev, "link up\n"); sc->ndis_link = 1; if (sc->ndis_80211) ndis_getstate_80211(sc); } if (sc->ndis_link == 1 && linkstate == nmc_disconnected) { device_printf(sc->ndis_dev, "link down\n"); sc->ndis_link = 0; } NDIS_UNLOCK(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); } 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; } static void ndis_starttask(arg, pending) void *arg; int pending; { struct ifnet *ifp; ifp = arg; if (ifp->if_snd.ifq_head != NULL) ndis_start(ifp); 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; NDIS_LOCK(sc); if (!sc->ndis_link || ifp->if_flags & IFF_OACTIVE) { NDIS_UNLOCK(sc); return; } p0 = &sc->ndis_txarray[sc->ndis_txidx]; while(sc->ndis_txpending) { IF_DEQUEUE(&ifp->if_snd, m); if (m == NULL) break; 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. */ p = sc->ndis_txarray[sc->ndis_txidx]; p->np_txidx = sc->ndis_txidx; p->np_m0 = m; p->np_oob.npo_status = NDIS_STATUS_PENDING; /* * Do scatter/gather processing, if driver requested it. */ if (sc->ndis_sc) { 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--; 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; /* * Set a timeout in case the chip goes out to lunch. */ ifp->if_timer = 5; NDIS_UNLOCK(sc); ndis_send_packets(sc, p0, pcnt); 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); sc->ndis_filter = ndis_filter; if (error) device_printf (sc->ndis_dev, "set filter failed: %d\n", error); sc->ndis_txidx = 0; sc->ndis_txpending = sc->ndis_maxpkts; sc->ndis_link = 0; ndis_enable_intr(sc); if (sc->ndis_80211) ndis_setstate_80211(sc); ifp->if_flags |= IFF_RUNNING; ifp->if_flags &= ~IFF_OACTIVE; /* * Some drivers don't set this value. The NDIS spec says * the default checkforhang timeout is approximately 2 * seconds. */ if (sc->ndis_block.nmb_checkforhangsecs == 0) sc->ndis_block.nmb_checkforhangsecs = 2; 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; ifmr->ifm_status = IFM_AVALID; ifmr->ifm_active = IFM_ETHER; if (!(ifp->if_flags & IFF_UP)) return; 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); 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: device_printf(sc->ndis_dev, "unknown speed: %d\n", media_info); break; } return; } static void ndis_setstate_80211(sc) struct ndis_softc *sc; { struct ieee80211com *ic; ndis_80211_ssid ssid; ndis_80211_config config; ndis_80211_wep wep; int i, rval = 0, len; uint32_t arg; struct ifnet *ifp; ic = &sc->ic; ifp = &sc->ic.ic_ac.ac_if; if (!(ifp->if_flags & IFF_UP)) return; arg = NDIS_80211_AUTHMODE_AUTO; len = sizeof(arg); rval = ndis_set_info(sc, OID_802_11_AUTHENTICATION_MODE, &arg, &len); if (rval) device_printf (sc->ndis_dev, "set auth failed: %d\n", rval); /* Set network infrastructure mode. */ len = sizeof(arg); if (ic->ic_opmode == IEEE80211_M_IBSS) arg = NDIS_80211_NET_INFRA_IBSS; else arg = NDIS_80211_NET_INFRA_BSS; rval = ndis_set_info(sc, OID_802_11_INFRASTRUCTURE_MODE, &arg, &len); if (rval) device_printf (sc->ndis_dev, "set infra failed: %d\n", rval); /* Set WEP */ #ifdef IEEE80211_F_WEPON if (ic->ic_flags & IEEE80211_F_WEPON) { #else if (ic->ic_wep_mode >= IEEE80211_WEP_ON) { #endif for (i = 0; i < IEEE80211_WEP_NKID; i++) { if (ic->ic_nw_keys[i].wk_len) { bzero((char *)&wep, sizeof(wep)); wep.nw_keylen = ic->ic_nw_keys[i].wk_len; #ifdef notdef /* 5 and 13 are the only valid key lengths */ if (ic->ic_nw_keys[i].wk_len < 5) wep.nw_keylen = 5; else if (ic->ic_nw_keys[i].wk_len > 5 && ic->ic_nw_keys[i].wk_len < 13) wep.nw_keylen = 13; #endif wep.nw_keyidx = i; wep.nw_length = (sizeof(uint32_t) * 3) + wep.nw_keylen; if (i == ic->ic_wep_txkey) wep.nw_keyidx |= NDIS_80211_WEPKEY_TX; bcopy(ic->ic_nw_keys[i].wk_key, wep.nw_keydata, wep.nw_length); len = sizeof(wep); rval = ndis_set_info(sc, OID_802_11_ADD_WEP, &wep, &len); if (rval) device_printf(sc->ndis_dev, "set wepkey failed: %d\n", rval); } } arg = NDIS_80211_WEPSTAT_ENABLED; len = sizeof(arg); rval = ndis_set_info(sc, OID_802_11_WEP_STATUS, &arg, &len); if (rval) device_printf(sc->ndis_dev, "enable WEP failed: %d\n", rval); #ifndef IEEE80211_F_WEPON if (ic->ic_wep_mode != IEEE80211_WEP_8021X && ic->ic_wep_mode != IEEE80211_WEP_ON) arg = NDIS_80211_PRIVFILT_ACCEPTALL; else #endif arg = NDIS_80211_PRIVFILT_8021XWEP; len = sizeof(arg); rval = ndis_set_info(sc, OID_802_11_PRIVACY_FILTER, &arg, &len); #ifdef IEEE80211_WEP_8021X /*IEEE80211_F_WEPON*/ /* Accept that we only have "shared" and 802.1x modes. */ if (rval == 0) { if (arg == NDIS_80211_PRIVFILT_ACCEPTALL) ic->ic_wep_mode = IEEE80211_WEP_MIXED; else ic->ic_wep_mode = IEEE80211_WEP_8021X; } #endif } else { arg = NDIS_80211_WEPSTAT_DISABLED; len = sizeof(arg); ndis_set_info(sc, OID_802_11_WEP_STATUS, &arg, &len); } /* Set SSID. */ len = sizeof(ssid); bzero((char *)&ssid, len); ssid.ns_ssidlen = ic->ic_des_esslen; if (ssid.ns_ssidlen == 0) { ssid.ns_ssidlen = 1; } else bcopy(ic->ic_des_essid, ssid.ns_ssid, ssid.ns_ssidlen); rval = ndis_set_info(sc, OID_802_11_SSID, &ssid, &len); if (rval) device_printf (sc->ndis_dev, "set ssid failed: %d\n", rval); len = sizeof(config); rval = ndis_get_info(sc, OID_802_11_CONFIGURATION, &config, &len); if (rval == 0) { int chan; chan = ieee80211_chan2ieee(ic, ic->ic_bss->ni_chan); if (chan != ieee80211_mhz2ieee(config.nc_dsconfig / 1000, 0)) { config.nc_dsconfig = ic->ic_bss->ni_chan->ic_freq * 1000; rval = ndis_set_info(sc, OID_802_11_CONFIGURATION, &config, &len); if (rval) device_printf(sc->ndis_dev, "couldn't change " "DS config to %ukHz: %d\n", config.nc_dsconfig, rval); } } else device_printf(sc->ndis_dev, "couldn't retrieve " "channel info: %d\n", rval); return; } static void ndis_media_status(struct ifnet *ifp, struct ifmediareq *imr) { struct ieee80211com *ic = (void *)ifp; struct ieee80211_node *ni = NULL; imr->ifm_status = IFM_AVALID; imr->ifm_active = IFM_IEEE80211; if (ic->ic_state == IEEE80211_S_RUN) imr->ifm_status |= IFM_ACTIVE; imr->ifm_active |= IFM_AUTO; switch (ic->ic_opmode) { case IEEE80211_M_STA: ni = ic->ic_bss; /* calculate rate subtype */ imr->ifm_active |= ieee80211_rate2media(ic, ni->ni_rates.rs_rates[ni->ni_txrate], ic->ic_curmode); break; case IEEE80211_M_IBSS: ni = ic->ic_bss; /* calculate rate subtype */ imr->ifm_active |= ieee80211_rate2media(ic, ni->ni_rates.rs_rates[ni->ni_txrate], ic->ic_curmode); imr->ifm_active |= IFM_IEEE80211_ADHOC; break; case IEEE80211_M_AHDEMO: /* should not come here */ break; case IEEE80211_M_HOSTAP: imr->ifm_active |= IFM_IEEE80211_HOSTAP; break; case IEEE80211_M_MONITOR: imr->ifm_active |= IFM_IEEE80211_MONITOR; break; } switch (ic->ic_curmode) { case IEEE80211_MODE_11A: imr->ifm_active |= IFM_MAKEMODE(IFM_IEEE80211_11A); break; case IEEE80211_MODE_11B: imr->ifm_active |= IFM_MAKEMODE(IFM_IEEE80211_11B); break; case IEEE80211_MODE_11G: imr->ifm_active |= IFM_MAKEMODE(IFM_IEEE80211_11G); break; case IEEE80211_MODE_TURBO: imr->ifm_active |= IFM_MAKEMODE(IFM_IEEE80211_11A) | IFM_IEEE80211_TURBO; break; } } static int ndis_get_assoc(sc, assoc) struct ndis_softc *sc; ndis_wlan_bssid_ex *assoc; { ndis_80211_bssid_list_ex *bl; ndis_wlan_bssid_ex *bs; ndis_80211_macaddr bssid; int i, len, error; len = sizeof(bssid); error = ndis_get_info(sc, OID_802_11_BSSID, &bssid, &len); if (error) { device_printf(sc->ndis_dev, "failed to get bssid"); return(ENOENT); } len = 0; error = ndis_get_info(sc, OID_802_11_BSSID_LIST, NULL, &len); if (error != ENOSPC) { device_printf(sc->ndis_dev, "bssid_list failed"); return (error); } bl = malloc(len, M_TEMP, M_NOWAIT); error = ndis_get_info(sc, OID_802_11_BSSID_LIST, bl, &len); if (error) { free(bl, M_TEMP); device_printf(sc->ndis_dev, "bssid_list failed"); return (error); } bs = (ndis_wlan_bssid_ex *)&bl->nblx_bssid[0]; for (i = 0; i < bl->nblx_items; i++) { if (bcmp(bs->nwbx_macaddr, bssid, sizeof(bssid)) == 0) { bcopy((char *)bs, (char *)assoc, bs->nwbx_len); free(bl, M_TEMP); return(0); } bs = (ndis_wlan_bssid_ex *)((char *)bs + bs->nwbx_len); } free(bl, M_TEMP); return(ENOENT); } static void ndis_getstate_80211(sc) struct ndis_softc *sc; { struct ieee80211com *ic; ndis_80211_ssid ssid; ndis_80211_config config; ndis_wlan_bssid_ex bs; int rval, len, i = 0; uint32_t arg; struct ifnet *ifp; ic = &sc->ic; ifp = &sc->ic.ic_ac.ac_if; if (!(ifp->if_flags & IFF_UP)) return; if (sc->ndis_link) ic->ic_state = IEEE80211_S_RUN; else ic->ic_state = IEEE80211_S_ASSOC; /* * If we're associated, retrieve info on the current bssid. */ if (ndis_get_assoc(sc, &bs) == 0) { switch(bs.nwbx_nettype) { case NDIS_80211_NETTYPE_11FH: case NDIS_80211_NETTYPE_11DS: ic->ic_curmode = IEEE80211_MODE_11B; break; case NDIS_80211_NETTYPE_11OFDM5: ic->ic_curmode = IEEE80211_MODE_11A; break; case NDIS_80211_NETTYPE_11OFDM24: ic->ic_curmode = IEEE80211_MODE_11G; break; default: device_printf(sc->ndis_dev, "unknown nettype %d\n", arg); break; } } len = sizeof(ssid); bzero((char *)&ssid, len); rval = ndis_get_info(sc, OID_802_11_SSID, &ssid, &len); if (rval) device_printf (sc->ndis_dev, "get ssid failed: %d\n", rval); bcopy(ssid.ns_ssid, ic->ic_bss->ni_essid, ssid.ns_ssidlen); ic->ic_bss->ni_esslen = ssid.ns_ssidlen; len = sizeof(arg); rval = ndis_get_info(sc, OID_GEN_LINK_SPEED, &arg, &len); if (ic->ic_modecaps & (1<ic_bss->ni_rates = ic->ic_sup_rates[IEEE80211_MODE_11B]; for (i = 0; i < ic->ic_bss->ni_rates.rs_nrates; i++) { if ((ic->ic_bss->ni_rates.rs_rates[i] & IEEE80211_RATE_VAL) == arg / 5000) break; } } if (i == ic->ic_bss->ni_rates.rs_nrates && ic->ic_modecaps & (1<ic_bss->ni_rates = ic->ic_sup_rates[IEEE80211_MODE_11G]; for (i = 0; i < ic->ic_bss->ni_rates.rs_nrates; i++) { if ((ic->ic_bss->ni_rates.rs_rates[i] & IEEE80211_RATE_VAL) == arg / 5000) break; } } if (i == ic->ic_bss->ni_rates.rs_nrates) device_printf(sc->ndis_dev, "no matching rate for: %d\n", arg / 5000); else ic->ic_bss->ni_txrate = i; if (ic->ic_caps & IEEE80211_C_PMGT) { len = sizeof(arg); rval = ndis_get_info(sc, OID_802_11_POWER_MODE, &arg, &len); if (rval) device_printf(sc->ndis_dev, "get power mode failed: %d\n", rval); if (arg == NDIS_80211_POWERMODE_CAM) ic->ic_flags &= ~IEEE80211_F_PMGTON; else ic->ic_flags |= IEEE80211_F_PMGTON; } len = sizeof(config); rval = ndis_get_info(sc, OID_802_11_CONFIGURATION, &config, &len); if (rval == 0) { int chan; chan = ieee80211_mhz2ieee(config.nc_dsconfig / 1000, 0); if (chan < 0 || chan >= IEEE80211_CHAN_MAX) { if (ifp->if_flags & IFF_DEBUG) device_printf(sc->ndis_dev, "current channel " "(%uMHz) out of bounds\n", config.nc_dsconfig / 1000); ic->ic_bss->ni_chan = &ic->ic_channels[1]; } else ic->ic_bss->ni_chan = &ic->ic_channels[chan]; } else device_printf(sc->ndis_dev, "couldn't retrieve " "channel info: %d\n", rval); /* len = sizeof(arg); rval = ndis_get_info(sc, OID_802_11_WEP_STATUS, &arg, &len); if (rval) device_printf (sc->ndis_dev, "get wep status failed: %d\n", rval); if (arg == NDIS_80211_WEPSTAT_ENABLED) ic->ic_flags |= IEEE80211_F_WEPON; else ic->ic_flags &= ~IEEE80211_F_WEPON; */ 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 i, error = 0; /*NDIS_LOCK(sc);*/ switch(command) { case SIOCSIFFLAGS: if (ifp->if_flags & IFF_UP) { if (ifp->if_flags & IFF_RUNNING && ifp->if_flags & IFF_PROMISC && !(sc->ndis_if_flags & IFF_PROMISC)) { sc->ndis_filter |= NDIS_PACKET_TYPE_PROMISCUOUS; ndis_set_info(sc, OID_GEN_CURRENT_PACKET_FILTER, &sc->ndis_filter, &i); } else if (ifp->if_flags & IFF_RUNNING && !(ifp->if_flags & IFF_PROMISC) && sc->ndis_if_flags & IFF_PROMISC) { sc->ndis_filter &= ~NDIS_PACKET_TYPE_PROMISCUOUS; ndis_set_info(sc, OID_GEN_CURRENT_PACKET_FILTER, &sc->ndis_filter, &i); } else ndis_init(sc); } else { if (ifp->if_flags & IFF_RUNNING) ndis_stop(sc); } sc->ndis_if_flags = ifp->if_flags; error = 0; break; case SIOCADDMULTI: case SIOCDELMULTI: ndis_setmulti(sc); error = 0; break; case SIOCGIFMEDIA: case SIOCSIFMEDIA: if (sc->ndis_80211) { error = ieee80211_ioctl(ifp, command, data); if (error == ENETRESET) { /*ndis_setstate_80211(sc);*/ ndis_init(sc); error = 0; } } else error = ifmedia_ioctl(ifp, ifr, &sc->ifmedia, command); break; case SIOCGIFGENERIC: case SIOCSIFGENERIC: if (sc->ndis_80211 && ifp->if_flags & IFF_UP) { if (command == SIOCGIFGENERIC) error = ndis_wi_ioctl_get(ifp, command, data); else error = ndis_wi_ioctl_set(ifp, command, data); } else error = ENOTTY; if (error != ENOTTY) break; default: if (sc->ndis_80211) { error = ieee80211_ioctl(ifp, command, data); if (error == ENETRESET) { ndis_setstate_80211(sc); error = 0; } } else error = ether_ioctl(ifp, command, data); break; } /*NDIS_UNLOCK(sc);*/ return(error); } static int ndis_wi_ioctl_get(ifp, command, data) struct ifnet *ifp; u_long command; caddr_t data; { struct wi_req wreq; struct ifreq *ifr; struct ndis_softc *sc; ndis_80211_bssid_list_ex *bl; ndis_wlan_bssid_ex *wb; struct wi_apinfo *api; int error, i, j, len, maxaps; sc = ifp->if_softc; ifr = (struct ifreq *)data; error = copyin(ifr->ifr_data, &wreq, sizeof(wreq)); if (error) return (error); switch (wreq.wi_type) { case WI_RID_READ_APS: len = 0; error = ndis_set_info(sc, OID_802_11_BSSID_LIST_SCAN, NULL, &len); if (error == 0) tsleep(&error, PPAUSE|PCATCH, "ssidscan", hz * 2); len = 0; error = ndis_get_info(sc, OID_802_11_BSSID_LIST, NULL, &len); if (error != ENOSPC) break; bl = malloc(len, M_DEVBUF, M_WAITOK); error = ndis_get_info(sc, OID_802_11_BSSID_LIST, bl, &len); if (error) { free(bl, M_DEVBUF); break; } maxaps = (2 * wreq.wi_len - sizeof(int)) / sizeof(*api); maxaps = MIN(maxaps, bl->nblx_items); wreq.wi_len = (maxaps * sizeof(*api) + sizeof(int)) / 2; *(int *)&wreq.wi_val = maxaps; api = (struct wi_apinfo *)&((int *)&wreq.wi_val)[1]; wb = bl->nblx_bssid; while (maxaps--) { bzero(api, sizeof(*api)); bcopy(&wb->nwbx_macaddr, &api->bssid, sizeof(api->bssid)); api->namelen = wb->nwbx_ssid.ns_ssidlen; bcopy(&wb->nwbx_ssid.ns_ssid, &api->name, api->namelen); if (wb->nwbx_privacy) api->capinfo |= IEEE80211_CAPINFO_PRIVACY; /* XXX Where can we get noise information? */ api->signal = wb->nwbx_rssi + 149; /* XXX */ api->quality = api->signal; api->channel = ieee80211_mhz2ieee(wb->nwbx_config.nc_dsconfig / 1000, 0); /* In "auto" infrastructure mode, this is useless. */ if (wb->nwbx_netinfra == NDIS_80211_NET_INFRA_IBSS) api->capinfo |= IEEE80211_CAPINFO_IBSS; if (wb->nwbx_len > sizeof(ndis_wlan_bssid)) { j = sizeof(ndis_80211_rates_ex); /* handle other extended things */ } else j = sizeof(ndis_80211_rates); for (i = api->rate = 0; i < j; i++) api->rate = MAX(api->rate, 5 * (wb->nwbx_supportedrates[i] & 0x7f)); api++; wb = (ndis_wlan_bssid_ex *)((char *)wb + wb->nwbx_len); } free(bl, M_DEVBUF); error = copyout(&wreq, ifr->ifr_data, sizeof(wreq)); break; default: error = ENOTTY; break; } return (error); } static int ndis_wi_ioctl_set(ifp, command, data) struct ifnet *ifp; u_long command; caddr_t data; { struct wi_req wreq; struct ifreq *ifr; struct ndis_softc *sc; uint32_t foo; int error, len; error = suser(curthread); if (error) return (error); sc = ifp->if_softc; ifr = (struct ifreq *)data; error = copyin(ifr->ifr_data, &wreq, sizeof(wreq)); if (error) return (error); switch (wreq.wi_type) { case WI_RID_SCAN_APS: case WI_RID_SCAN_REQ: /* arguments ignored */ len = sizeof(foo); foo = 0; error = ndis_set_info(sc, OID_802_11_BSSID_LIST_SCAN, &foo, &len); break; default: error = ENOTTY; break; } return (error); } static void ndis_watchdog(ifp) struct ifnet *ifp; { struct ndis_softc *sc; sc = ifp->if_softc; NDIS_LOCK(sc); ifp->if_oerrors++; device_printf(sc->ndis_dev, "watchdog timeout\n"); ndis_reset(sc); taskqueue_enqueue(taskqueue_swi, &sc->ndis_starttask); 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; sc->ndis_link = 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; }