/* $OpenBSD: if_upgt.c,v 1.35 2008/04/16 18:32:15 damien Exp $ */ /* $FreeBSD$ */ /* * Copyright (c) 2007 Marcus Glocker * * Permission to use, copy, modify, and distribute this software for any * purpose with or without fee is hereby granted, provided that the above * copyright notice and this permission notice appear in all copies. * * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ #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 "usbdevs.h" #include #include /* * Driver for the USB PrismGT devices. * * For now just USB 2.0 devices with the GW3887 chipset are supported. * The driver has been written based on the firmware version 2.13.1.0_LM87. * * TODO's: * - MONITOR mode test. * - Add HOSTAP mode. * - Add IBSS mode. * - Support the USB 1.0 devices (NET2280, ISL3880, ISL3886 chipsets). * * Parts of this driver has been influenced by reading the p54u driver * written by Jean-Baptiste Note and * Sebastien Bourdeauducq . */ SYSCTL_NODE(_hw, OID_AUTO, upgt, CTLFLAG_RD, 0, "USB PrismGT GW3887 driver parameters"); /* * NB: normally `upgt_txbuf' value can be increased to maximum 6, mininum 1. * However, we're using just 2 txbufs to protect packet losses in some cases * so the performance was sacrificed that with this value its speed is about * 2.1Mb/s. * * With setting txbuf value as 6, you can get full speed, 3.0Mb/s, of this * device but sometimes you'd meet some packet losses then retransmision. */ static int upgt_txbuf = UPGT_TX_COUNT; /* # tx buffers to allocate */ SYSCTL_INT(_hw_upgt, OID_AUTO, txbuf, CTLFLAG_RW, &upgt_txbuf, 0, "tx buffers allocated"); TUNABLE_INT("hw.upgt.txbuf", &upgt_txbuf); #ifdef UPGT_DEBUG int upgt_debug = 0; SYSCTL_INT(_hw_upgt, OID_AUTO, debug, CTLFLAG_RW, &upgt_debug, 0, "control debugging printfs"); TUNABLE_INT("hw.upgt.debug", &upgt_debug); enum { UPGT_DEBUG_XMIT = 0x00000001, /* basic xmit operation */ UPGT_DEBUG_RECV = 0x00000002, /* basic recv operation */ UPGT_DEBUG_RESET = 0x00000004, /* reset processing */ UPGT_DEBUG_INTR = 0x00000008, /* INTR */ UPGT_DEBUG_TX_PROC = 0x00000010, /* tx ISR proc */ UPGT_DEBUG_RX_PROC = 0x00000020, /* rx ISR proc */ UPGT_DEBUG_STATE = 0x00000040, /* 802.11 state transitions */ UPGT_DEBUG_STAT = 0x00000080, /* statistic */ UPGT_DEBUG_FW = 0x00000100, /* firmware */ UPGT_DEBUG_ANY = 0xffffffff }; #define DPRINTF(sc, m, fmt, ...) do { \ if (sc->sc_debug & (m)) \ printf(fmt, __VA_ARGS__); \ } while (0) #else #define DPRINTF(sc, m, fmt, ...) do { \ (void) sc; \ } while (0) #endif /* * Prototypes. */ static device_probe_t upgt_match; static device_attach_t upgt_attach; static device_detach_t upgt_detach; static int upgt_alloc_tx(struct upgt_softc *); static int upgt_alloc_rx(struct upgt_softc *); static int upgt_alloc_cmd(struct upgt_softc *); static int upgt_attach_hook(device_t); static int upgt_device_reset(struct upgt_softc *); static int upgt_bulk_xmit(struct upgt_softc *, struct upgt_data *, usbd_pipe_handle, uint32_t *, int); static int upgt_fw_verify(struct upgt_softc *); static int upgt_mem_init(struct upgt_softc *); static int upgt_fw_load(struct upgt_softc *); static int upgt_fw_copy(const uint8_t *, char *, int); static uint32_t upgt_crc32_le(const void *, size_t); static void upgt_rxeof(usbd_xfer_handle, usbd_private_handle, usbd_status); static void upgt_txeof(usbd_xfer_handle, usbd_private_handle, usbd_status); static int upgt_eeprom_read(struct upgt_softc *); static int upgt_eeprom_parse(struct upgt_softc *); static void upgt_eeprom_parse_hwrx(struct upgt_softc *, uint8_t *); static void upgt_eeprom_parse_freq3(struct upgt_softc *, uint8_t *, int); static void upgt_eeprom_parse_freq4(struct upgt_softc *, uint8_t *, int); static void upgt_eeprom_parse_freq6(struct upgt_softc *, uint8_t *, int); static uint32_t upgt_chksum_le(const uint32_t *, size_t); static void upgt_tx_done(struct upgt_softc *, uint8_t *); static void upgt_rx(struct upgt_softc *, uint8_t *, int); static void upgt_init(void *); static void upgt_init_locked(struct upgt_softc *); static int upgt_ioctl(struct ifnet *, u_long, caddr_t); static void upgt_start(struct ifnet *); static int upgt_raw_xmit(struct ieee80211_node *, struct mbuf *, const struct ieee80211_bpf_params *); static void upgt_scan_start(struct ieee80211com *); static void upgt_scan_end(struct ieee80211com *); static void upgt_set_channel(struct ieee80211com *); static struct ieee80211vap *upgt_vap_create(struct ieee80211com *, const char name[IFNAMSIZ], int unit, int opmode, int flags, const uint8_t bssid[IEEE80211_ADDR_LEN], const uint8_t mac[IEEE80211_ADDR_LEN]); static void upgt_vap_delete(struct ieee80211vap *); static void upgt_update_mcast(struct ifnet *); static uint8_t upgt_rx_rate(struct upgt_softc *, const int); static void upgt_set_multi(void *); static void upgt_stop(struct upgt_softc *, int); static void upgt_setup_rates(struct ieee80211vap *, struct ieee80211com *); static int upgt_set_macfilter(struct upgt_softc *, uint8_t); static int upgt_newstate(struct ieee80211vap *, enum ieee80211_state, int); static void upgt_task(void *); static void upgt_scantask(void *); static void upgt_set_chan(struct upgt_softc *, struct ieee80211_channel *); static void upgt_set_led(struct upgt_softc *, int); static void upgt_set_led_blink(void *); static void upgt_tx_task(void *); static int upgt_get_stats(struct upgt_softc *); static void upgt_mem_free(struct upgt_softc *, uint32_t); static uint32_t upgt_mem_alloc(struct upgt_softc *); static void upgt_free_tx(struct upgt_softc *); static void upgt_free_rx(struct upgt_softc *); static void upgt_free_cmd(struct upgt_softc *); static void upgt_watchdog(void *); static const char *upgt_fwname = "upgt-gw3887"; static const struct usb_devno upgt_devs_2[] = { /* version 2 devices */ { USB_VENDOR_ACCTON, USB_PRODUCT_ACCTON_PRISM_GT }, { USB_VENDOR_BELKIN, USB_PRODUCT_BELKIN_F5D7050 }, { USB_VENDOR_CONCEPTRONIC, USB_PRODUCT_CONCEPTRONIC_PRISM_GT }, { USB_VENDOR_DELL, USB_PRODUCT_DELL_PRISM_GT_1 }, { USB_VENDOR_DELL, USB_PRODUCT_DELL_PRISM_GT_2 }, { USB_VENDOR_FSC, USB_PRODUCT_FSC_E5400 }, { USB_VENDOR_GLOBESPAN, USB_PRODUCT_GLOBESPAN_PRISM_GT_1 }, { USB_VENDOR_GLOBESPAN, USB_PRODUCT_GLOBESPAN_PRISM_GT_2 }, { USB_VENDOR_INTERSIL, USB_PRODUCT_INTERSIL_PRISM_GT }, { USB_VENDOR_NETGEAR, USB_PRODUCT_NETGEAR_WG111V2_2 }, { USB_VENDOR_SMC, USB_PRODUCT_SMC_2862WG }, { USB_VENDOR_WISTRONNEWEB, USB_PRODUCT_WISTRONNEWEB_UR045G }, { USB_VENDOR_XYRATEX, USB_PRODUCT_XYRATEX_PRISM_GT_1 }, { USB_VENDOR_XYRATEX, USB_PRODUCT_XYRATEX_PRISM_GT_2 }, { USB_VENDOR_ZCOM, USB_PRODUCT_ZCOM_XG703A } }; static int upgt_match(device_t dev) { struct usb_attach_arg *uaa = device_get_ivars(dev); if (!uaa->iface) return UMATCH_NONE; if (usb_lookup(upgt_devs_2, uaa->vendor, uaa->product) != NULL) return (UMATCH_VENDOR_PRODUCT); return (UMATCH_NONE); } static int upgt_attach(device_t dev) { int i; struct upgt_softc *sc = device_get_softc(dev); struct usb_attach_arg *uaa = device_get_ivars(dev); usb_endpoint_descriptor_t *ed; usb_interface_descriptor_t *id; usbd_status error; sc->sc_dev = dev; sc->sc_udev = uaa->device; #ifdef UPGT_DEBUG sc->sc_debug = upgt_debug; #endif /* set configuration number */ if (usbd_set_config_no(sc->sc_udev, UPGT_CONFIG_NO, 0) != 0) { device_printf(dev, "could not set configuration no!\n"); return ENXIO; } /* get the first interface handle */ error = usbd_device2interface_handle(sc->sc_udev, UPGT_IFACE_INDEX, &sc->sc_iface); if (error != 0) { device_printf(dev, "could not get interface handle!\n"); return ENXIO; } /* find endpoints */ id = usbd_get_interface_descriptor(sc->sc_iface); sc->sc_rx_no = sc->sc_tx_no = -1; for (i = 0; i < id->bNumEndpoints; i++) { ed = usbd_interface2endpoint_descriptor(sc->sc_iface, i); if (ed == NULL) { device_printf(dev, "no endpoint descriptor for iface %d!\n", i); return ENXIO; } if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_OUT && UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) sc->sc_tx_no = ed->bEndpointAddress; if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN && UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) sc->sc_rx_no = ed->bEndpointAddress; /* * 0x01 TX pipe * 0x81 RX pipe * * Deprecated scheme (not used with fw version >2.5.6.x): * 0x02 TX MGMT pipe * 0x82 TX MGMT pipe */ if (sc->sc_tx_no != -1 && sc->sc_rx_no != -1) break; } if (sc->sc_rx_no == -1 || sc->sc_tx_no == -1) { device_printf(dev, "missing endpoint!\n"); return ENXIO; } /* * Open TX and RX USB bulk pipes. */ error = usbd_open_pipe(sc->sc_iface, sc->sc_tx_no, USBD_EXCLUSIVE_USE, &sc->sc_tx_pipeh); if (error != 0) { device_printf(dev, "could not open TX pipe: %s!\n", usbd_errstr(error)); goto fail; } error = usbd_open_pipe(sc->sc_iface, sc->sc_rx_no, USBD_EXCLUSIVE_USE, &sc->sc_rx_pipeh); if (error != 0) { device_printf(dev, "could not open RX pipe: %s!\n", usbd_errstr(error)); goto fail; } /* Allocate TX, RX, and CMD xfers. */ if (upgt_alloc_tx(sc) != 0) goto fail; if (upgt_alloc_rx(sc) != 0) goto fail; if (upgt_alloc_cmd(sc) != 0) goto fail; /* We need the firmware loaded to complete the attach. */ return upgt_attach_hook(dev); fail: device_printf(dev, "%s failed!\n", __func__); return ENXIO; } static int upgt_attach_hook(device_t dev) { struct ieee80211com *ic; struct ifnet *ifp; struct upgt_softc *sc = device_get_softc(dev); struct upgt_data *data_rx = &sc->rx_data; uint8_t bands; usbd_status error; ifp = sc->sc_ifp = if_alloc(IFT_IEEE80211); if (ifp == NULL) { device_printf(dev, "can not if_alloc()\n"); return ENXIO; } mtx_init(&sc->sc_mtx, device_get_nameunit(dev), MTX_NETWORK_LOCK, MTX_DEF | MTX_RECURSE); usb_init_task(&sc->sc_mcasttask, upgt_set_multi, sc); usb_init_task(&sc->sc_scantask, upgt_scantask, sc); usb_init_task(&sc->sc_task, upgt_task, sc); usb_init_task(&sc->sc_task_tx, upgt_tx_task, sc); callout_init(&sc->sc_led_ch, 0); callout_init(&sc->sc_watchdog_ch, 0); /* Initialize the device. */ if (upgt_device_reset(sc) != 0) goto fail; /* Verify the firmware. */ if (upgt_fw_verify(sc) != 0) goto fail; /* Calculate device memory space. */ if (sc->sc_memaddr_frame_start == 0 || sc->sc_memaddr_frame_end == 0) { device_printf(dev, "could not find memory space addresses on FW!\n"); goto fail; } sc->sc_memaddr_frame_end -= UPGT_MEMSIZE_RX + 1; sc->sc_memaddr_rx_start = sc->sc_memaddr_frame_end + 1; DPRINTF(sc, UPGT_DEBUG_FW, "memory address frame start=0x%08x\n", sc->sc_memaddr_frame_start); DPRINTF(sc, UPGT_DEBUG_FW, "memory address frame end=0x%08x\n", sc->sc_memaddr_frame_end); DPRINTF(sc, UPGT_DEBUG_FW, "memory address rx start=0x%08x\n", sc->sc_memaddr_rx_start); upgt_mem_init(sc); /* Load the firmware. */ if (upgt_fw_load(sc) != 0) goto fail; /* Startup the RX pipe. */ usbd_setup_xfer(data_rx->xfer, sc->sc_rx_pipeh, data_rx, data_rx->buf, MCLBYTES, USBD_SHORT_XFER_OK, USBD_NO_TIMEOUT, upgt_rxeof); error = usbd_transfer(data_rx->xfer); if (error != 0 && error != USBD_IN_PROGRESS) { device_printf(dev, "could not queue RX transfer!\n"); goto fail; } usbd_delay_ms(sc->sc_udev, 100); /* Read the whole EEPROM content and parse it. */ if (upgt_eeprom_read(sc) != 0) goto fail; if (upgt_eeprom_parse(sc) != 0) goto fail; /* Setup the 802.11 device. */ ifp->if_softc = sc; if_initname(ifp, "upgt", device_get_unit(sc->sc_dev)); ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST | IFF_NEEDSGIANT; /* USB stack is still under Giant lock */ ifp->if_init = upgt_init; ifp->if_ioctl = upgt_ioctl; ifp->if_start = upgt_start; IFQ_SET_MAXLEN(&ifp->if_snd, IFQ_MAXLEN); IFQ_SET_READY(&ifp->if_snd); ic = ifp->if_l2com; ic->ic_ifp = ifp; ic->ic_phytype = IEEE80211_T_OFDM; /* not only, but not used */ ic->ic_opmode = IEEE80211_M_STA; /* set device capabilities */ ic->ic_caps = IEEE80211_C_STA /* station mode */ | IEEE80211_C_MONITOR /* monitor mode */ | IEEE80211_C_SHPREAMBLE /* short preamble supported */ | IEEE80211_C_SHSLOT /* short slot time supported */ | IEEE80211_C_BGSCAN /* capable of bg scanning */ | IEEE80211_C_WPA /* 802.11i */ ; bands = 0; setbit(&bands, IEEE80211_MODE_11B); setbit(&bands, IEEE80211_MODE_11G); ieee80211_init_channels(ic, NULL, &bands); ieee80211_ifattach(ic); ic->ic_raw_xmit = upgt_raw_xmit; ic->ic_scan_start = upgt_scan_start; ic->ic_scan_end = upgt_scan_end; ic->ic_set_channel = upgt_set_channel; ic->ic_vap_create = upgt_vap_create; ic->ic_vap_delete = upgt_vap_delete; ic->ic_update_mcast = upgt_update_mcast; bpfattach(ifp, DLT_IEEE802_11_RADIO, sizeof(struct ieee80211_frame) + sizeof(sc->sc_txtap)); sc->sc_rxtap_len = sizeof(sc->sc_rxtap); sc->sc_rxtap.wr_ihdr.it_len = htole16(sc->sc_rxtap_len); sc->sc_rxtap.wr_ihdr.it_present = htole32(UPGT_RX_RADIOTAP_PRESENT); sc->sc_txtap_len = sizeof(sc->sc_txtap); sc->sc_txtap.wt_ihdr.it_len = htole16(sc->sc_txtap_len); sc->sc_txtap.wt_ihdr.it_present = htole32(UPGT_TX_RADIOTAP_PRESENT); if (bootverbose) ieee80211_announce(ic); usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, sc->sc_udev, sc->sc_dev); return 0; fail: device_printf(dev, "%s failed!\n", __func__); mtx_destroy(&sc->sc_mtx); if_free(ifp); return ENXIO; } static void upgt_tx_task(void *arg) { struct upgt_softc *sc = arg; struct ifnet *ifp = sc->sc_ifp; struct ieee80211com *ic = ifp->if_l2com; struct ieee80211_frame *wh; struct ieee80211_key *k; struct upgt_data *data_tx; struct upgt_lmac_mem *mem; struct upgt_lmac_tx_desc *txdesc; struct mbuf *m; uint32_t addr; int len, i; usbd_status error; upgt_set_led(sc, UPGT_LED_BLINK); UPGT_LOCK(sc); for (i = 0; i < upgt_txbuf; i++) { data_tx = &sc->tx_data[i]; if (data_tx->m == NULL) continue; m = data_tx->m; addr = data_tx->addr + UPGT_MEMSIZE_FRAME_HEAD; /* * Software crypto. */ wh = mtod(m, struct ieee80211_frame *); if (wh->i_fc[1] & IEEE80211_FC1_WEP) { k = ieee80211_crypto_encap(data_tx->ni, m); if (k == NULL) { device_printf(sc->sc_dev, "ieee80211_crypto_encap returns NULL.\n"); goto done; } /* in case packet header moved, reset pointer */ wh = mtod(m, struct ieee80211_frame *); } /* * Transmit the URB containing the TX data. */ bzero(data_tx->buf, MCLBYTES); mem = (struct upgt_lmac_mem *)data_tx->buf; mem->addr = htole32(addr); txdesc = (struct upgt_lmac_tx_desc *)(mem + 1); if ((wh->i_fc[0] & IEEE80211_FC0_TYPE_MASK) == IEEE80211_FC0_TYPE_MGT) { /* mgmt frames */ txdesc->header1.flags = UPGT_H1_FLAGS_TX_MGMT; /* always send mgmt frames at lowest rate (DS1) */ memset(txdesc->rates, 0x10, sizeof(txdesc->rates)); } else { /* data frames */ txdesc->header1.flags = UPGT_H1_FLAGS_TX_DATA; bcopy(sc->sc_cur_rateset, txdesc->rates, sizeof(txdesc->rates)); } txdesc->header1.type = UPGT_H1_TYPE_TX_DATA; txdesc->header1.len = htole16(m->m_pkthdr.len); txdesc->header2.reqid = htole32(data_tx->addr); txdesc->header2.type = htole16(UPGT_H2_TYPE_TX_ACK_YES); txdesc->header2.flags = htole16(UPGT_H2_FLAGS_TX_ACK_YES); txdesc->type = htole32(UPGT_TX_DESC_TYPE_DATA); txdesc->pad3[0] = UPGT_TX_DESC_PAD3_SIZE; if (bpf_peers_present(ifp->if_bpf)) { struct upgt_tx_radiotap_header *tap = &sc->sc_txtap; tap->wt_flags = 0; tap->wt_rate = 0; /* XXX where to get from? */ tap->wt_chan_freq = htole16(ic->ic_curchan->ic_freq); tap->wt_chan_flags = htole16(ic->ic_curchan->ic_flags); bpf_mtap2(ifp->if_bpf, tap, sc->sc_txtap_len, m); } /* copy frame below our TX descriptor header */ m_copydata(m, 0, m->m_pkthdr.len, data_tx->buf + (sizeof(*mem) + sizeof(*txdesc))); /* calculate frame size */ len = sizeof(*mem) + sizeof(*txdesc) + m->m_pkthdr.len; /* we need to align the frame to a 4 byte boundary */ len = (len + 3) & ~3; /* calculate frame checksum */ mem->chksum = upgt_chksum_le((uint32_t *)txdesc, len - sizeof(*mem)); /* we do not need the mbuf anymore */ m_freem(m); data_tx->m = NULL; DPRINTF(sc, UPGT_DEBUG_XMIT, "%s: TX start data sending\n", __func__); KASSERT(len <= MCLBYTES, ("mbuf is small for saving data")); usbd_setup_xfer(data_tx->xfer, sc->sc_tx_pipeh, data_tx, data_tx->buf, len, USBD_FORCE_SHORT_XFER | USBD_NO_COPY, UPGT_USB_TIMEOUT, upgt_txeof); UPGT_UNLOCK(sc); mtx_lock(&Giant); error = usbd_transfer(data_tx->xfer); mtx_unlock(&Giant); UPGT_LOCK(sc); if (error != 0 && error != USBD_IN_PROGRESS) { device_printf(sc->sc_dev, "could not transmit TX data URB!\n"); goto done; } DPRINTF(sc, UPGT_DEBUG_XMIT, "TX sent (%d bytes)\n", len); } done: UPGT_UNLOCK(sc); /* * If we don't regulary read the device statistics, the RX queue * will stall. It's strange, but it works, so we keep reading * the statistics here. *shrug* */ (void)upgt_get_stats(sc); } static void upgt_txeof(usbd_xfer_handle xfer, usbd_private_handle priv, usbd_status status) { struct upgt_data *data_tx = priv; struct upgt_softc *sc = data_tx->sc; if (status != USBD_NORMAL_COMPLETION) { if (status == USBD_NOT_STARTED || status == USBD_CANCELLED) return; if (status == USBD_STALLED) { usbd_clear_endpoint_stall_async(sc->sc_rx_pipeh); return; } device_printf(sc->sc_dev, "TX warning(%s)\n", usbd_errstr(status)); } } static int upgt_get_stats(struct upgt_softc *sc) { struct upgt_data *data_cmd = &sc->cmd_data; struct upgt_lmac_mem *mem; struct upgt_lmac_stats *stats; int len; /* * Transmit the URB containing the CMD data. */ bzero(data_cmd->buf, MCLBYTES); mem = (struct upgt_lmac_mem *)data_cmd->buf; mem->addr = htole32(sc->sc_memaddr_frame_start + UPGT_MEMSIZE_FRAME_HEAD); stats = (struct upgt_lmac_stats *)(mem + 1); stats->header1.flags = 0; stats->header1.type = UPGT_H1_TYPE_CTRL; stats->header1.len = htole16( sizeof(struct upgt_lmac_stats) - sizeof(struct upgt_lmac_header)); stats->header2.reqid = htole32(sc->sc_memaddr_frame_start); stats->header2.type = htole16(UPGT_H2_TYPE_STATS); stats->header2.flags = 0; len = sizeof(*mem) + sizeof(*stats); mem->chksum = upgt_chksum_le((uint32_t *)stats, len - sizeof(*mem)); if (upgt_bulk_xmit(sc, data_cmd, sc->sc_tx_pipeh, &len, 0) != 0) { device_printf(sc->sc_dev, "could not transmit statistics CMD data URB!\n"); return (EIO); } return (0); } static int upgt_ioctl(struct ifnet *ifp, u_long cmd, caddr_t data) { struct upgt_softc *sc = ifp->if_softc; struct ieee80211com *ic = ifp->if_l2com; struct ifreq *ifr = (struct ifreq *) data; int error = 0, startall = 0; switch (cmd) { case SIOCSIFFLAGS: mtx_lock(&Giant); if (ifp->if_flags & IFF_UP) { if (ifp->if_drv_flags & IFF_DRV_RUNNING) { if ((ifp->if_flags ^ sc->sc_if_flags) & (IFF_ALLMULTI | IFF_PROMISC)) upgt_set_multi(sc); } else { upgt_init(sc); startall = 1; } } else { if (ifp->if_drv_flags & IFF_DRV_RUNNING) upgt_stop(sc, 1); } sc->sc_if_flags = ifp->if_flags; if (startall) ieee80211_start_all(ic); mtx_unlock(&Giant); break; case SIOCGIFMEDIA: error = ifmedia_ioctl(ifp, ifr, &ic->ic_media, cmd); break; case SIOCGIFADDR: error = ether_ioctl(ifp, cmd, data); break; default: error = EINVAL; break; } return error; } static void upgt_stop(struct upgt_softc *sc, int disable) { struct ifnet *ifp = sc->sc_ifp; /* abort and close TX / RX pipes */ if (sc->sc_tx_pipeh != NULL) usbd_abort_pipe(sc->sc_tx_pipeh); if (sc->sc_rx_pipeh != NULL) usbd_abort_pipe(sc->sc_rx_pipeh); /* device down */ sc->sc_tx_timer = 0; ifp->if_drv_flags &= ~(IFF_DRV_RUNNING | IFF_DRV_OACTIVE); } static void upgt_task(void *arg) { struct upgt_softc *sc = arg; struct ifnet *ifp = sc->sc_ifp; struct ieee80211com *ic = ifp->if_l2com; struct ieee80211vap *vap = TAILQ_FIRST(&ic->ic_vaps); struct upgt_vap *uvp = UPGT_VAP(vap); DPRINTF(sc, UPGT_DEBUG_STATE, "%s: %s -> %s\n", __func__, ieee80211_state_name[vap->iv_state], ieee80211_state_name[sc->sc_state]); switch (sc->sc_state) { case IEEE80211_S_INIT: /* do not accept any frames if the device is down */ UPGT_LOCK(sc); upgt_set_macfilter(sc, sc->sc_state); UPGT_UNLOCK(sc); upgt_set_led(sc, UPGT_LED_OFF); break; case IEEE80211_S_SCAN: upgt_set_chan(sc, ic->ic_curchan); break; case IEEE80211_S_AUTH: upgt_set_chan(sc, ic->ic_curchan); break; case IEEE80211_S_ASSOC: break; case IEEE80211_S_RUN: UPGT_LOCK(sc); upgt_set_macfilter(sc, sc->sc_state); UPGT_UNLOCK(sc); upgt_set_led(sc, UPGT_LED_ON); break; default: break; } IEEE80211_LOCK(ic); uvp->newstate(vap, sc->sc_state, sc->sc_arg); if (vap->iv_newstate_cb != NULL) vap->iv_newstate_cb(vap, sc->sc_state, sc->sc_arg); IEEE80211_UNLOCK(ic); } static void upgt_set_led(struct upgt_softc *sc, int action) { struct upgt_data *data_cmd = &sc->cmd_data; struct upgt_lmac_mem *mem; struct upgt_lmac_led *led; int len; /* * Transmit the URB containing the CMD data. */ bzero(data_cmd->buf, MCLBYTES); mem = (struct upgt_lmac_mem *)data_cmd->buf; mem->addr = htole32(sc->sc_memaddr_frame_start + UPGT_MEMSIZE_FRAME_HEAD); led = (struct upgt_lmac_led *)(mem + 1); led->header1.flags = UPGT_H1_FLAGS_TX_NO_CALLBACK; led->header1.type = UPGT_H1_TYPE_CTRL; led->header1.len = htole16( sizeof(struct upgt_lmac_led) - sizeof(struct upgt_lmac_header)); led->header2.reqid = htole32(sc->sc_memaddr_frame_start); led->header2.type = htole16(UPGT_H2_TYPE_LED); led->header2.flags = 0; switch (action) { case UPGT_LED_OFF: led->mode = htole16(UPGT_LED_MODE_SET); led->action_fix = 0; led->action_tmp = htole16(UPGT_LED_ACTION_OFF); led->action_tmp_dur = 0; break; case UPGT_LED_ON: led->mode = htole16(UPGT_LED_MODE_SET); led->action_fix = 0; led->action_tmp = htole16(UPGT_LED_ACTION_ON); led->action_tmp_dur = 0; break; case UPGT_LED_BLINK: if (sc->sc_state != IEEE80211_S_RUN) return; if (sc->sc_led_blink) /* previous blink was not finished */ return; led->mode = htole16(UPGT_LED_MODE_SET); led->action_fix = htole16(UPGT_LED_ACTION_OFF); led->action_tmp = htole16(UPGT_LED_ACTION_ON); led->action_tmp_dur = htole16(UPGT_LED_ACTION_TMP_DUR); /* lock blink */ sc->sc_led_blink = 1; callout_reset(&sc->sc_led_ch, hz, upgt_set_led_blink, sc); break; default: return; } len = sizeof(*mem) + sizeof(*led); mem->chksum = upgt_chksum_le((uint32_t *)led, len - sizeof(*mem)); if (upgt_bulk_xmit(sc, data_cmd, sc->sc_tx_pipeh, &len, 0) != 0) device_printf(sc->sc_dev, "could not transmit led CMD URB!\n"); } static void upgt_set_led_blink(void *arg) { struct upgt_softc *sc = arg; /* blink finished, we are ready for a next one */ sc->sc_led_blink = 0; } static void upgt_init(void *priv) { struct upgt_softc *sc = priv; struct ifnet *ifp = sc->sc_ifp; struct ieee80211com *ic = ifp->if_l2com; UPGT_LOCK(sc); upgt_init_locked(sc); UPGT_UNLOCK(sc); if (ifp->if_drv_flags & IFF_DRV_RUNNING) ieee80211_start_all(ic); /* start all vap's */ } static void upgt_init_locked(struct upgt_softc *sc) { struct ifnet *ifp = sc->sc_ifp; struct ieee80211com *ic = ifp->if_l2com; IEEE80211_ADDR_COPY(ic->ic_myaddr, IF_LLADDR(ifp)); DPRINTF(sc, UPGT_DEBUG_RESET, "setting MAC address to %s\n", ether_sprintf(ic->ic_myaddr)); upgt_set_macfilter(sc, IEEE80211_S_SCAN); ifp->if_drv_flags &= ~IFF_DRV_OACTIVE; ifp->if_drv_flags |= IFF_DRV_RUNNING; } static int upgt_set_macfilter(struct upgt_softc *sc, uint8_t state) { struct ifnet *ifp = sc->sc_ifp; struct ieee80211com *ic = ifp->if_l2com; struct ieee80211vap *vap = TAILQ_FIRST(&ic->ic_vaps); struct ieee80211_node *ni = vap->iv_bss; struct upgt_data *data_cmd = &sc->cmd_data; struct upgt_lmac_mem *mem; struct upgt_lmac_filter *filter; int len; uint8_t broadcast[] = { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff }; /* * Transmit the URB containing the CMD data. */ bzero(data_cmd->buf, MCLBYTES); mem = (struct upgt_lmac_mem *)data_cmd->buf; mem->addr = htole32(sc->sc_memaddr_frame_start + UPGT_MEMSIZE_FRAME_HEAD); filter = (struct upgt_lmac_filter *)(mem + 1); filter->header1.flags = UPGT_H1_FLAGS_TX_NO_CALLBACK; filter->header1.type = UPGT_H1_TYPE_CTRL; filter->header1.len = htole16( sizeof(struct upgt_lmac_filter) - sizeof(struct upgt_lmac_header)); filter->header2.reqid = htole32(sc->sc_memaddr_frame_start); filter->header2.type = htole16(UPGT_H2_TYPE_MACFILTER); filter->header2.flags = 0; switch (state) { case IEEE80211_S_INIT: DPRINTF(sc, UPGT_DEBUG_STATE, "%s: set MAC filter to INIT\n", __func__); filter->type = htole16(UPGT_FILTER_TYPE_RESET); break; case IEEE80211_S_SCAN: DPRINTF(sc, UPGT_DEBUG_STATE, "set MAC filter to SCAN (bssid %s)\n", ether_sprintf(broadcast)); filter->type = htole16(UPGT_FILTER_TYPE_NONE); IEEE80211_ADDR_COPY(filter->dst, ic->ic_myaddr); IEEE80211_ADDR_COPY(filter->src, broadcast); filter->unknown1 = htole16(UPGT_FILTER_UNKNOWN1); filter->rxaddr = htole32(sc->sc_memaddr_rx_start); filter->unknown2 = htole16(UPGT_FILTER_UNKNOWN2); filter->rxhw = htole32(sc->sc_eeprom_hwrx); filter->unknown3 = htole16(UPGT_FILTER_UNKNOWN3); break; case IEEE80211_S_RUN: /* XXX monitor mode isn't tested yet. */ if (vap->iv_opmode == IEEE80211_M_MONITOR) { filter->type = htole16(UPGT_FILTER_TYPE_MONITOR); IEEE80211_ADDR_COPY(filter->dst, ic->ic_myaddr); IEEE80211_ADDR_COPY(filter->src, ni->ni_bssid); filter->unknown1 = htole16(UPGT_FILTER_MONITOR_UNKNOWN1); filter->rxaddr = htole32(sc->sc_memaddr_rx_start); filter->unknown2 = htole16(UPGT_FILTER_MONITOR_UNKNOWN2); filter->rxhw = htole32(sc->sc_eeprom_hwrx); filter->unknown3 = htole16(UPGT_FILTER_MONITOR_UNKNOWN3); } else { DPRINTF(sc, UPGT_DEBUG_STATE, "set MAC filter to RUN (bssid %s)\n", ether_sprintf(ni->ni_bssid)); filter->type = htole16(UPGT_FILTER_TYPE_STA); IEEE80211_ADDR_COPY(filter->dst, ic->ic_myaddr); IEEE80211_ADDR_COPY(filter->src, ni->ni_bssid); filter->unknown1 = htole16(UPGT_FILTER_UNKNOWN1); filter->rxaddr = htole32(sc->sc_memaddr_rx_start); filter->unknown2 = htole16(UPGT_FILTER_UNKNOWN2); filter->rxhw = htole32(sc->sc_eeprom_hwrx); filter->unknown3 = htole16(UPGT_FILTER_UNKNOWN3); } break; default: device_printf(sc->sc_dev, "MAC filter does not know that state!\n"); break; } len = sizeof(*mem) + sizeof(*filter); mem->chksum = upgt_chksum_le((uint32_t *)filter, len - sizeof(*mem)); UPGT_UNLOCK(sc); if (upgt_bulk_xmit(sc, data_cmd, sc->sc_tx_pipeh, &len, 0) != 0) { device_printf(sc->sc_dev, "could not transmit macfilter CMD data URB!\n"); UPGT_LOCK(sc); return (EIO); } UPGT_LOCK(sc); return (0); } static void upgt_setup_rates(struct ieee80211vap *vap, struct ieee80211com *ic) { struct ifnet *ifp = ic->ic_ifp; struct upgt_softc *sc = ifp->if_softc; const struct ieee80211_txparam *tp; /* * 0x01 = OFMD6 0x10 = DS1 * 0x04 = OFDM9 0x11 = DS2 * 0x06 = OFDM12 0x12 = DS5 * 0x07 = OFDM18 0x13 = DS11 * 0x08 = OFDM24 * 0x09 = OFDM36 * 0x0a = OFDM48 * 0x0b = OFDM54 */ const uint8_t rateset_auto_11b[] = { 0x13, 0x13, 0x12, 0x11, 0x11, 0x10, 0x10, 0x10 }; const uint8_t rateset_auto_11g[] = { 0x0b, 0x0a, 0x09, 0x08, 0x07, 0x06, 0x04, 0x01 }; const uint8_t rateset_fix_11bg[] = { 0x10, 0x11, 0x12, 0x13, 0x01, 0x04, 0x06, 0x07, 0x08, 0x09, 0x0a, 0x0b }; tp = &vap->iv_txparms[ieee80211_chan2mode(ic->ic_curchan)]; /* XXX */ if (tp->ucastrate == IEEE80211_FIXED_RATE_NONE) { /* * Automatic rate control is done by the device. * We just pass the rateset from which the device * will pickup a rate. */ if (ic->ic_curmode == IEEE80211_MODE_11B) bcopy(rateset_auto_11b, sc->sc_cur_rateset, sizeof(sc->sc_cur_rateset)); if (ic->ic_curmode == IEEE80211_MODE_11G || ic->ic_curmode == IEEE80211_MODE_AUTO) bcopy(rateset_auto_11g, sc->sc_cur_rateset, sizeof(sc->sc_cur_rateset)); } else { /* set a fixed rate */ memset(sc->sc_cur_rateset, rateset_fix_11bg[tp->ucastrate], sizeof(sc->sc_cur_rateset)); } } static void upgt_set_multi(void *arg) { struct upgt_softc *sc = arg; struct ifnet *ifp = sc->sc_ifp; if (!(ifp->if_flags & IFF_UP)) return; /* * XXX don't know how to set a device. Lack of docs. Just try to set * IFF_ALLMULTI flag here. */ IF_ADDR_LOCK(ifp); ifp->if_flags |= IFF_ALLMULTI; IF_ADDR_UNLOCK(ifp); } static void upgt_start(struct ifnet *ifp) { struct upgt_softc *sc = ifp->if_softc; struct upgt_data *data_tx; struct ieee80211_node *ni; struct mbuf *m; int i; UPGT_LOCK(sc); for (i = 0; i < upgt_txbuf; i++) { data_tx = &sc->tx_data[i]; if (data_tx->use == 1) continue; IFQ_DRV_DEQUEUE(&ifp->if_snd, m); if (m == NULL) break; ni = (struct ieee80211_node *)m->m_pkthdr.rcvif; m = ieee80211_encap(ni, m); if (m == NULL) { ieee80211_free_node(ni); ifp->if_oerrors++; continue; } if ((data_tx->addr = upgt_mem_alloc(sc)) == 0) { device_printf(sc->sc_dev, "no free prism memory!\n"); UPGT_UNLOCK(sc); return; } data_tx->ni = ni; data_tx->m = m; data_tx->use = 1; sc->tx_queued++; } if (sc->tx_queued > 0) { DPRINTF(sc, UPGT_DEBUG_XMIT, "tx_queued=%d\n", sc->tx_queued); ifp->if_drv_flags |= IFF_DRV_OACTIVE; sc->sc_tx_timer = 5; callout_reset(&sc->sc_watchdog_ch, hz, upgt_watchdog, sc); /* process the TX queue in process context */ usb_rem_task(sc->sc_udev, &sc->sc_task_tx); usb_add_task(sc->sc_udev, &sc->sc_task_tx, USB_TASKQ_DRIVER); } UPGT_UNLOCK(sc); } static int upgt_raw_xmit(struct ieee80211_node *ni, struct mbuf *m, const struct ieee80211_bpf_params *params) { struct ieee80211com *ic = ni->ni_ic; struct ifnet *ifp = ic->ic_ifp; struct upgt_softc *sc = ifp->if_softc; struct upgt_data *data_tx = NULL; int i; /* prevent management frames from being sent if we're not ready */ if (!(ifp->if_drv_flags & IFF_DRV_RUNNING)) { m_freem(m); ieee80211_free_node(ni); return ENETDOWN; } UPGT_LOCK(sc); if (sc->tx_queued >= upgt_txbuf) { ifp->if_drv_flags |= IFF_DRV_OACTIVE; m_freem(m); ieee80211_free_node(ni); UPGT_UNLOCK(sc); return ENOBUFS; /* XXX */ } ifp->if_opackets++; /* choose a unused buffer. */ for (i = 0; i < upgt_txbuf; i++) { data_tx = &sc->tx_data[i]; if (data_tx->use == 0) break; } KASSERT(data_tx != NULL, ("data_tx is NULL")); KASSERT(data_tx->use == 0, ("no empty TX queue")); if ((data_tx->addr = upgt_mem_alloc(sc)) == 0) { device_printf(sc->sc_dev, "no free prism memory!\n"); UPGT_UNLOCK(sc); return ENOBUFS; } if (bpf_peers_present(ifp->if_bpf)) { struct upgt_tx_radiotap_header *tap = &sc->sc_txtap; tap->wt_flags = 0; tap->wt_rate = 0; /* TODO: where to get from? */ tap->wt_chan_freq = htole16(ic->ic_curchan->ic_freq); tap->wt_chan_flags = htole16(ic->ic_curchan->ic_flags); bpf_mtap2(ifp->if_bpf, tap, sc->sc_txtap_len, m); } data_tx->ni = ni; data_tx->m = m; data_tx->use = 1; sc->tx_queued++; ifp->if_drv_flags |= IFF_DRV_OACTIVE; UPGT_UNLOCK(sc); sc->sc_tx_timer = 5; callout_reset(&sc->sc_watchdog_ch, hz, upgt_watchdog, sc); usb_rem_task(sc->sc_udev, &sc->sc_task_tx); usb_add_task(sc->sc_udev, &sc->sc_task_tx, USB_TASKQ_DRIVER); return 0; } static void upgt_watchdog(void *arg) { struct upgt_softc *sc = arg; struct ifnet *ifp = sc->sc_ifp; if (sc->sc_tx_timer > 0) { if (--sc->sc_tx_timer == 0) { device_printf(sc->sc_dev, "watchdog timeout\n"); /* upgt_init(ifp); XXX needs a process context ? */ ifp->if_oerrors++; return; } callout_reset(&sc->sc_watchdog_ch, hz, upgt_watchdog, sc); } } static uint32_t upgt_mem_alloc(struct upgt_softc *sc) { int i; for (i = 0; i < sc->sc_memory.pages; i++) { if (sc->sc_memory.page[i].used == 0) { sc->sc_memory.page[i].used = 1; return (sc->sc_memory.page[i].addr); } } return (0); } static void upgt_scantask(void *arg) { struct upgt_softc *sc = arg; struct ifnet *ifp = sc->sc_ifp; struct ieee80211com *ic = ifp->if_l2com; switch (sc->sc_scan_action) { case UPGT_SET_CHANNEL: upgt_set_chan(sc, ic->ic_curchan); break; default: device_printf(sc->sc_dev, "unknown scan action %d\n", sc->sc_scan_action); break; } } static void upgt_scan_start(struct ieee80211com *ic) { /* do nothing. */ } static void upgt_scan_end(struct ieee80211com *ic) { /* do nothing. */ } static void upgt_set_channel(struct ieee80211com *ic) { struct upgt_softc *sc = ic->ic_ifp->if_softc; usb_rem_task(sc->sc_udev, &sc->sc_scantask); /* do it in a process context */ sc->sc_scan_action = UPGT_SET_CHANNEL; usb_add_task(sc->sc_udev, &sc->sc_scantask, USB_TASKQ_DRIVER); } static void upgt_set_chan(struct upgt_softc *sc, struct ieee80211_channel *c) { struct ifnet *ifp = sc->sc_ifp; struct ieee80211com *ic = ifp->if_l2com; struct upgt_data *data_cmd = &sc->cmd_data; struct upgt_lmac_mem *mem; struct upgt_lmac_channel *chan; int len, channel; channel = ieee80211_chan2ieee(ic, c); if (channel == 0 || channel == IEEE80211_CHAN_ANY) { /* XXX should NEVER happen */ device_printf(sc->sc_dev, "%s: invalid channel %x\n", __func__, channel); return; } DPRINTF(sc, UPGT_DEBUG_STATE, "%s: channel %d\n", __func__, channel); /* * Transmit the URB containing the CMD data. */ bzero(data_cmd->buf, MCLBYTES); mem = (struct upgt_lmac_mem *)data_cmd->buf; mem->addr = htole32(sc->sc_memaddr_frame_start + UPGT_MEMSIZE_FRAME_HEAD); chan = (struct upgt_lmac_channel *)(mem + 1); chan->header1.flags = UPGT_H1_FLAGS_TX_NO_CALLBACK; chan->header1.type = UPGT_H1_TYPE_CTRL; chan->header1.len = htole16( sizeof(struct upgt_lmac_channel) - sizeof(struct upgt_lmac_header)); chan->header2.reqid = htole32(sc->sc_memaddr_frame_start); chan->header2.type = htole16(UPGT_H2_TYPE_CHANNEL); chan->header2.flags = 0; chan->unknown1 = htole16(UPGT_CHANNEL_UNKNOWN1); chan->unknown2 = htole16(UPGT_CHANNEL_UNKNOWN2); chan->freq6 = sc->sc_eeprom_freq6[channel]; chan->settings = sc->sc_eeprom_freq6_settings; chan->unknown3 = UPGT_CHANNEL_UNKNOWN3; bcopy(&sc->sc_eeprom_freq3[channel].data, chan->freq3_1, sizeof(chan->freq3_1)); bcopy(&sc->sc_eeprom_freq4[channel], chan->freq4, sizeof(sc->sc_eeprom_freq4[channel])); bcopy(&sc->sc_eeprom_freq3[channel].data, chan->freq3_2, sizeof(chan->freq3_2)); len = sizeof(*mem) + sizeof(*chan); mem->chksum = upgt_chksum_le((uint32_t *)chan, len - sizeof(*mem)); if (upgt_bulk_xmit(sc, data_cmd, sc->sc_tx_pipeh, &len, 0) != 0) device_printf(sc->sc_dev, "could not transmit channel CMD data URB!\n"); } static struct ieee80211vap * upgt_vap_create(struct ieee80211com *ic, const char name[IFNAMSIZ], int unit, int opmode, int flags, const uint8_t bssid[IEEE80211_ADDR_LEN], const uint8_t mac[IEEE80211_ADDR_LEN]) { struct upgt_vap *uvp; struct ieee80211vap *vap; if (!TAILQ_EMPTY(&ic->ic_vaps)) /* only one at a time */ return NULL; uvp = (struct upgt_vap *) malloc(sizeof(struct upgt_vap), M_80211_VAP, M_NOWAIT | M_ZERO); if (uvp == NULL) return NULL; vap = &uvp->vap; /* enable s/w bmiss handling for sta mode */ ieee80211_vap_setup(ic, vap, name, unit, opmode, flags | IEEE80211_CLONE_NOBEACONS, bssid, mac); /* override state transition machine */ uvp->newstate = vap->iv_newstate; vap->iv_newstate = upgt_newstate; /* setup device rates */ upgt_setup_rates(vap, ic); /* complete setup */ ieee80211_vap_attach(vap, ieee80211_media_change, ieee80211_media_status); ic->ic_opmode = opmode; return vap; } static int upgt_newstate(struct ieee80211vap *vap, enum ieee80211_state nstate, int arg) { struct upgt_vap *uvp = UPGT_VAP(vap); struct ieee80211com *ic = vap->iv_ic; struct upgt_softc *sc = ic->ic_ifp->if_softc; usb_rem_task(sc->sc_udev, &sc->sc_task); /* do it in a process context */ sc->sc_state = nstate; sc->sc_arg = arg; if (nstate == IEEE80211_S_INIT) { uvp->newstate(vap, nstate, arg); return 0; } else { usb_add_task(sc->sc_udev, &sc->sc_task, USB_TASKQ_DRIVER); return EINPROGRESS; } } static void upgt_vap_delete(struct ieee80211vap *vap) { struct upgt_vap *uvp = UPGT_VAP(vap); ieee80211_vap_detach(vap); free(uvp, M_80211_VAP); } static void upgt_update_mcast(struct ifnet *ifp) { struct upgt_softc *sc = ifp->if_softc; usb_add_task(sc->sc_udev, &sc->sc_mcasttask, USB_TASKQ_DRIVER); } static int upgt_eeprom_parse(struct upgt_softc *sc) { struct ifnet *ifp = sc->sc_ifp; struct ieee80211com *ic = ifp->if_l2com; struct upgt_eeprom_header *eeprom_header; struct upgt_eeprom_option *eeprom_option; uint16_t option_len; uint16_t option_type; uint16_t preamble_len; int option_end = 0; /* calculate eeprom options start offset */ eeprom_header = (struct upgt_eeprom_header *)sc->sc_eeprom; preamble_len = le16toh(eeprom_header->preamble_len); eeprom_option = (struct upgt_eeprom_option *)(sc->sc_eeprom + (sizeof(struct upgt_eeprom_header) + preamble_len)); while (!option_end) { /* the eeprom option length is stored in words */ option_len = (le16toh(eeprom_option->len) - 1) * sizeof(uint16_t); option_type = le16toh(eeprom_option->type); switch (option_type) { case UPGT_EEPROM_TYPE_NAME: DPRINTF(sc, UPGT_DEBUG_FW, "EEPROM name len=%d\n", option_len); break; case UPGT_EEPROM_TYPE_SERIAL: DPRINTF(sc, UPGT_DEBUG_FW, "EEPROM serial len=%d\n", option_len); break; case UPGT_EEPROM_TYPE_MAC: DPRINTF(sc, UPGT_DEBUG_FW, "EEPROM mac len=%d\n", option_len); IEEE80211_ADDR_COPY(ic->ic_myaddr, eeprom_option->data); break; case UPGT_EEPROM_TYPE_HWRX: DPRINTF(sc, UPGT_DEBUG_FW, "EEPROM hwrx len=%d\n", option_len); upgt_eeprom_parse_hwrx(sc, eeprom_option->data); break; case UPGT_EEPROM_TYPE_CHIP: DPRINTF(sc, UPGT_DEBUG_FW, "EEPROM chip len=%d\n", option_len); break; case UPGT_EEPROM_TYPE_FREQ3: DPRINTF(sc, UPGT_DEBUG_FW, "EEPROM freq3 len=%d\n", option_len); upgt_eeprom_parse_freq3(sc, eeprom_option->data, option_len); break; case UPGT_EEPROM_TYPE_FREQ4: DPRINTF(sc, UPGT_DEBUG_FW, "EEPROM freq4 len=%d\n", option_len); upgt_eeprom_parse_freq4(sc, eeprom_option->data, option_len); break; case UPGT_EEPROM_TYPE_FREQ5: DPRINTF(sc, UPGT_DEBUG_FW, "EEPROM freq5 len=%d\n", option_len); break; case UPGT_EEPROM_TYPE_FREQ6: DPRINTF(sc, UPGT_DEBUG_FW, "EEPROM freq6 len=%d\n", option_len); upgt_eeprom_parse_freq6(sc, eeprom_option->data, option_len); break; case UPGT_EEPROM_TYPE_END: DPRINTF(sc, UPGT_DEBUG_FW, "EEPROM end len=%d\n", option_len); option_end = 1; break; case UPGT_EEPROM_TYPE_OFF: DPRINTF(sc, UPGT_DEBUG_FW, "%s: EEPROM off without end option!\n", __func__); return (EIO); default: DPRINTF(sc, UPGT_DEBUG_FW, "EEPROM unknown type 0x%04x len=%d\n", option_type, option_len); break; } /* jump to next EEPROM option */ eeprom_option = (struct upgt_eeprom_option *) (eeprom_option->data + option_len); } return (0); } static void upgt_eeprom_parse_freq3(struct upgt_softc *sc, uint8_t *data, int len) { struct upgt_eeprom_freq3_header *freq3_header; struct upgt_lmac_freq3 *freq3; int i, elements, flags; unsigned channel; freq3_header = (struct upgt_eeprom_freq3_header *)data; freq3 = (struct upgt_lmac_freq3 *)(freq3_header + 1); flags = freq3_header->flags; elements = freq3_header->elements; DPRINTF(sc, UPGT_DEBUG_FW, "flags=0x%02x elements=%d\n", flags, elements); for (i = 0; i < elements; i++) { channel = ieee80211_mhz2ieee(le16toh(freq3[i].freq), 0); if (!(channel >= 0 && channel < IEEE80211_CHAN_MAX)) continue; sc->sc_eeprom_freq3[channel] = freq3[i]; DPRINTF(sc, UPGT_DEBUG_FW, "frequence=%d, channel=%d\n", le16toh(sc->sc_eeprom_freq3[channel].freq), channel); } } void upgt_eeprom_parse_freq4(struct upgt_softc *sc, uint8_t *data, int len) { struct upgt_eeprom_freq4_header *freq4_header; struct upgt_eeprom_freq4_1 *freq4_1; struct upgt_eeprom_freq4_2 *freq4_2; int i, j, elements, settings, flags; unsigned channel; freq4_header = (struct upgt_eeprom_freq4_header *)data; freq4_1 = (struct upgt_eeprom_freq4_1 *)(freq4_header + 1); flags = freq4_header->flags; elements = freq4_header->elements; settings = freq4_header->settings; /* we need this value later */ sc->sc_eeprom_freq6_settings = freq4_header->settings; DPRINTF(sc, UPGT_DEBUG_FW, "flags=0x%02x elements=%d settings=%d\n", flags, elements, settings); for (i = 0; i < elements; i++) { channel = ieee80211_mhz2ieee(le16toh(freq4_1[i].freq), 0); if (!(channel >= 0 && channel < IEEE80211_CHAN_MAX)) continue; freq4_2 = (struct upgt_eeprom_freq4_2 *)freq4_1[i].data; for (j = 0; j < settings; j++) { sc->sc_eeprom_freq4[channel][j].cmd = freq4_2[j]; sc->sc_eeprom_freq4[channel][j].pad = 0; } DPRINTF(sc, UPGT_DEBUG_FW, "frequence=%d, channel=%d\n", le16toh(freq4_1[i].freq), channel); } } void upgt_eeprom_parse_freq6(struct upgt_softc *sc, uint8_t *data, int len) { struct upgt_lmac_freq6 *freq6; int i, elements; unsigned channel; freq6 = (struct upgt_lmac_freq6 *)data; elements = len / sizeof(struct upgt_lmac_freq6); DPRINTF(sc, UPGT_DEBUG_FW, "elements=%d\n", elements); for (i = 0; i < elements; i++) { channel = ieee80211_mhz2ieee(le16toh(freq6[i].freq), 0); if (!(channel >= 0 && channel < IEEE80211_CHAN_MAX)) continue; sc->sc_eeprom_freq6[channel] = freq6[i]; DPRINTF(sc, UPGT_DEBUG_FW, "frequence=%d, channel=%d\n", le16toh(sc->sc_eeprom_freq6[channel].freq), channel); } } static void upgt_eeprom_parse_hwrx(struct upgt_softc *sc, uint8_t *data) { struct upgt_eeprom_option_hwrx *option_hwrx; option_hwrx = (struct upgt_eeprom_option_hwrx *)data; sc->sc_eeprom_hwrx = option_hwrx->rxfilter - UPGT_EEPROM_RX_CONST; DPRINTF(sc, UPGT_DEBUG_FW, "hwrx option value=0x%04x\n", sc->sc_eeprom_hwrx); } static int upgt_eeprom_read(struct upgt_softc *sc) { struct upgt_data *data_cmd = &sc->cmd_data; struct upgt_lmac_mem *mem; struct upgt_lmac_eeprom *eeprom; int offset, block, len; offset = 0; block = UPGT_EEPROM_BLOCK_SIZE; while (offset < UPGT_EEPROM_SIZE) { DPRINTF(sc, UPGT_DEBUG_FW, "request EEPROM block (offset=%d, len=%d)\n", offset, block); /* * Transmit the URB containing the CMD data. */ bzero(data_cmd->buf, MCLBYTES); mem = (struct upgt_lmac_mem *)data_cmd->buf; mem->addr = htole32(sc->sc_memaddr_frame_start + UPGT_MEMSIZE_FRAME_HEAD); eeprom = (struct upgt_lmac_eeprom *)(mem + 1); eeprom->header1.flags = 0; eeprom->header1.type = UPGT_H1_TYPE_CTRL; eeprom->header1.len = htole16(( sizeof(struct upgt_lmac_eeprom) - sizeof(struct upgt_lmac_header)) + block); eeprom->header2.reqid = htole32(sc->sc_memaddr_frame_start); eeprom->header2.type = htole16(UPGT_H2_TYPE_EEPROM); eeprom->header2.flags = 0; eeprom->offset = htole16(offset); eeprom->len = htole16(block); len = sizeof(*mem) + sizeof(*eeprom) + block; mem->chksum = upgt_chksum_le((uint32_t *)eeprom, len - sizeof(*mem)); if (upgt_bulk_xmit(sc, data_cmd, sc->sc_tx_pipeh, &len, USBD_FORCE_SHORT_XFER) != 0) { device_printf(sc->sc_dev, "could not transmit EEPROM data URB!\n"); return (EIO); } if (tsleep(sc, 0, "eeprom_request", UPGT_USB_TIMEOUT)) { device_printf(sc->sc_dev, "timeout while waiting for EEPROM data!\n"); return (EIO); } offset += block; if (UPGT_EEPROM_SIZE - offset < block) block = UPGT_EEPROM_SIZE - offset; } return (0); } /* * The firmware awaits a checksum for each frame we send to it. * The algorithm used therefor is uncommon but somehow similar to CRC32. */ static uint32_t upgt_chksum_le(const uint32_t *buf, size_t size) { int i; uint32_t crc = 0; for (i = 0; i < size; i += sizeof(uint32_t)) { crc = htole32(crc ^ *buf++); crc = htole32((crc >> 5) ^ (crc << 3)); } return (crc); } static void upgt_rxeof(usbd_xfer_handle xfer, usbd_private_handle priv, usbd_status status) { struct upgt_data *data_rx = priv; struct upgt_softc *sc = data_rx->sc; int len; struct upgt_lmac_header *header; struct upgt_lmac_eeprom *eeprom; uint8_t h1_type; uint16_t h2_type; if (status != USBD_NORMAL_COMPLETION) { if (status == USBD_NOT_STARTED || status == USBD_CANCELLED) return; if (status == USBD_STALLED) usbd_clear_endpoint_stall_async(sc->sc_rx_pipeh); goto skip; } usbd_get_xfer_status(xfer, NULL, NULL, &len, NULL); /* * Check what type of frame came in. */ header = (struct upgt_lmac_header *)(data_rx->buf + 4); h1_type = header->header1.type; h2_type = le16toh(header->header2.type); if (h1_type == UPGT_H1_TYPE_CTRL && h2_type == UPGT_H2_TYPE_EEPROM) { eeprom = (struct upgt_lmac_eeprom *)(data_rx->buf + 4); uint16_t eeprom_offset = le16toh(eeprom->offset); uint16_t eeprom_len = le16toh(eeprom->len); DPRINTF(sc, UPGT_DEBUG_FW, "received EEPROM block (offset=%d, len=%d)\n", eeprom_offset, eeprom_len); bcopy(data_rx->buf + sizeof(struct upgt_lmac_eeprom) + 4, sc->sc_eeprom + eeprom_offset, eeprom_len); /* EEPROM data has arrived in time, wakeup tsleep() */ wakeup(sc); } else if (h1_type == UPGT_H1_TYPE_CTRL && h2_type == UPGT_H2_TYPE_TX_DONE) { DPRINTF(sc, UPGT_DEBUG_XMIT, "%s: received 802.11 TX done\n", __func__); upgt_tx_done(sc, data_rx->buf + 4); } else if (h1_type == UPGT_H1_TYPE_RX_DATA || h1_type == UPGT_H1_TYPE_RX_DATA_MGMT) { DPRINTF(sc, UPGT_DEBUG_RECV, "%s: received 802.11 RX data\n", __func__); upgt_rx(sc, data_rx->buf + 4, le16toh(header->header1.len)); } else if (h1_type == UPGT_H1_TYPE_CTRL && h2_type == UPGT_H2_TYPE_STATS) { DPRINTF(sc, UPGT_DEBUG_STAT, "%s: received statistic data\n", __func__); /* TODO: what could we do with the statistic data? */ } else { /* ignore unknown frame types */ DPRINTF(sc, UPGT_DEBUG_INTR, "received unknown frame type 0x%02x\n", header->header1.type); } skip: /* setup new transfer */ usbd_setup_xfer(xfer, sc->sc_rx_pipeh, data_rx, data_rx->buf, MCLBYTES, USBD_SHORT_XFER_OK, USBD_NO_TIMEOUT, upgt_rxeof); (void)usbd_transfer(xfer); } static void upgt_rx(struct upgt_softc *sc, uint8_t *data, int pkglen) { struct ifnet *ifp = sc->sc_ifp; struct ieee80211com *ic = ifp->if_l2com; struct upgt_lmac_rx_desc *rxdesc; struct ieee80211_node *ni; struct mbuf *m; int nf; /* * don't pass packets to the ieee80211 framework if the driver isn't * RUNNING. */ if (!(ifp->if_drv_flags & IFF_DRV_RUNNING)) return; /* access RX packet descriptor */ rxdesc = (struct upgt_lmac_rx_desc *)data; /* create mbuf which is suitable for strict alignment archs */ KASSERT((pkglen + ETHER_ALIGN) < MCLBYTES, ("A current mbuf storage is small (%d)", pkglen + ETHER_ALIGN)); m = m_getcl(M_DONTWAIT, MT_DATA, M_PKTHDR); if (m == NULL) { device_printf(sc->sc_dev, "could not create RX mbuf!\n"); return; } m_adj(m, ETHER_ALIGN); bcopy(rxdesc->data, mtod(m, char *), pkglen); /* trim FCS */ m->m_len = m->m_pkthdr.len = pkglen - IEEE80211_CRC_LEN; m->m_pkthdr.rcvif = ifp; if (bpf_peers_present(ifp->if_bpf)) { struct upgt_rx_radiotap_header *tap = &sc->sc_rxtap; tap->wr_flags = 0; tap->wr_rate = upgt_rx_rate(sc, rxdesc->rate); tap->wr_chan_freq = htole16(ic->ic_curchan->ic_freq); tap->wr_chan_flags = htole16(ic->ic_curchan->ic_flags); tap->wr_antsignal = rxdesc->rssi; bpf_mtap2(ifp->if_bpf, tap, sc->sc_rxtap_len, m); } ifp->if_ipackets++; nf = -95; /* XXX */ ni = ieee80211_find_rxnode(ic, mtod(m, struct ieee80211_frame_min *)); if (ni != NULL) { (void)ieee80211_input(ni, m, rxdesc->rssi, nf, 0); ieee80211_free_node(ni); } else (void)ieee80211_input_all(ic, m, rxdesc->rssi, nf, 0); DPRINTF(sc, UPGT_DEBUG_RX_PROC, "%s: RX done\n", __func__); } static uint8_t upgt_rx_rate(struct upgt_softc *sc, const int rate) { struct ifnet *ifp = sc->sc_ifp; struct ieee80211com *ic = ifp->if_l2com; static const uint8_t cck_upgt2rate[4] = { 2, 4, 11, 22 }; static const uint8_t ofdm_upgt2rate[12] = { 2, 4, 11, 22, 12, 18, 24, 36, 48, 72, 96, 108 }; if (ic->ic_curmode == IEEE80211_MODE_11B && !(rate < 0 || rate > 3)) return cck_upgt2rate[rate & 0xf]; if (ic->ic_curmode == IEEE80211_MODE_11G && !(rate < 0 || rate > 11)) return ofdm_upgt2rate[rate & 0xf]; return (0); } static void upgt_tx_done(struct upgt_softc *sc, uint8_t *data) { struct ifnet *ifp = sc->sc_ifp; struct upgt_lmac_tx_done_desc *desc; int i; desc = (struct upgt_lmac_tx_done_desc *)data; UPGT_LOCK(sc); for (i = 0; i < upgt_txbuf; i++) { struct upgt_data *data_tx = &sc->tx_data[i]; if (data_tx->addr == le32toh(desc->header2.reqid)) { upgt_mem_free(sc, data_tx->addr); ieee80211_free_node(data_tx->ni); data_tx->ni = NULL; data_tx->addr = 0; data_tx->m = NULL; data_tx->use = 0; sc->tx_queued--; ifp->if_opackets++; DPRINTF(sc, UPGT_DEBUG_TX_PROC, "TX done: memaddr=0x%08x, status=0x%04x, rssi=%d, ", le32toh(desc->header2.reqid), le16toh(desc->status), le16toh(desc->rssi)); DPRINTF(sc, UPGT_DEBUG_TX_PROC, "seq=%d\n", le16toh(desc->seq)); break; } } if (sc->tx_queued == 0) { /* TX queued was processed, continue */ sc->sc_tx_timer = 0; ifp->if_drv_flags &= ~IFF_DRV_OACTIVE; UPGT_UNLOCK(sc); upgt_start(ifp); return; } UPGT_UNLOCK(sc); } static void upgt_mem_free(struct upgt_softc *sc, uint32_t addr) { int i; for (i = 0; i < sc->sc_memory.pages; i++) { if (sc->sc_memory.page[i].addr == addr) { sc->sc_memory.page[i].used = 0; return; } } device_printf(sc->sc_dev, "could not free memory address 0x%08x!\n", addr); } static int upgt_fw_load(struct upgt_softc *sc) { const struct firmware *fw; struct upgt_data *data_cmd = &sc->cmd_data; struct upgt_data *data_rx = &sc->rx_data; struct upgt_fw_x2_header *x2; char start_fwload_cmd[] = { 0x3c, 0x0d }; int error = 0, offset, bsize, n, i, len; uint32_t crc32; fw = firmware_get(upgt_fwname); if (fw == NULL) { device_printf(sc->sc_dev, "could not read microcode %s!\n", upgt_fwname); return EIO; } /* send firmware start load command */ len = sizeof(start_fwload_cmd); bcopy(start_fwload_cmd, data_cmd->buf, len); if (upgt_bulk_xmit(sc, data_cmd, sc->sc_tx_pipeh, &len, 0) != 0) { device_printf(sc->sc_dev, "could not send start_firmware_load command!\n"); error = EIO; goto fail; } /* send X2 header */ len = sizeof(struct upgt_fw_x2_header); x2 = (struct upgt_fw_x2_header *)data_cmd->buf; bcopy(UPGT_X2_SIGNATURE, x2->signature, UPGT_X2_SIGNATURE_SIZE); x2->startaddr = htole32(UPGT_MEMADDR_FIRMWARE_START); x2->len = htole32(fw->datasize); x2->crc = upgt_crc32_le((uint8_t *)data_cmd->buf + UPGT_X2_SIGNATURE_SIZE, sizeof(struct upgt_fw_x2_header) - UPGT_X2_SIGNATURE_SIZE - sizeof(uint32_t)); if (upgt_bulk_xmit(sc, data_cmd, sc->sc_tx_pipeh, &len, 0) != 0) { device_printf(sc->sc_dev, "could not send firmware X2 header!\n"); error = EIO; goto fail; } /* download firmware */ for (offset = 0; offset < fw->datasize; offset += bsize) { if (fw->datasize - offset > UPGT_FW_BLOCK_SIZE) bsize = UPGT_FW_BLOCK_SIZE; else bsize = fw->datasize - offset; n = upgt_fw_copy((const uint8_t *)fw->data + offset, data_cmd->buf, bsize); DPRINTF(sc, UPGT_DEBUG_FW, "FW offset=%d, read=%d, sent=%d\n", offset, n, bsize); if (upgt_bulk_xmit(sc, data_cmd, sc->sc_tx_pipeh, &bsize, 0) != 0) { device_printf(sc->sc_dev, "error while downloading firmware block!\n"); error = EIO; goto fail; } bsize = n; } DPRINTF(sc, UPGT_DEBUG_FW, "%s: firmware downloaded\n", __func__); /* load firmware */ crc32 = upgt_crc32_le(fw->data, fw->datasize); *((uint32_t *)(data_cmd->buf) ) = crc32; *((uint8_t *)(data_cmd->buf) + 4) = 'g'; *((uint8_t *)(data_cmd->buf) + 5) = '\r'; len = 6; if (upgt_bulk_xmit(sc, data_cmd, sc->sc_tx_pipeh, &len, 0) != 0) { device_printf(sc->sc_dev, "could not send load_firmware command!\n"); error = EIO; goto fail; } for (i = 0; i < UPGT_FIRMWARE_TIMEOUT; i++) { len = UPGT_FW_BLOCK_SIZE; bzero(data_rx->buf, MCLBYTES); if (upgt_bulk_xmit(sc, data_rx, sc->sc_rx_pipeh, &len, USBD_SHORT_XFER_OK) != 0) { device_printf(sc->sc_dev, "could not read firmware response!\n"); error = EIO; goto fail; } if (memcmp(data_rx->buf, "OK", 2) == 0) break; /* firmware load was successful */ } if (i == UPGT_FIRMWARE_TIMEOUT) { device_printf(sc->sc_dev, "firmware load failed!\n"); error = EIO; } DPRINTF(sc, UPGT_DEBUG_FW, "%s: firmware loaded\n", __func__); fail: firmware_put(fw, FIRMWARE_UNLOAD); return (error); } static uint32_t upgt_crc32_le(const void *buf, size_t size) { uint32_t crc; crc = ether_crc32_le(buf, size); /* apply final XOR value as common for CRC-32 */ crc = htole32(crc ^ 0xffffffffU); return (crc); } /* * While copying the version 2 firmware, we need to replace two characters: * * 0x7e -> 0x7d 0x5e * 0x7d -> 0x7d 0x5d */ static int upgt_fw_copy(const uint8_t *src, char *dst, int size) { int i, j; for (i = 0, j = 0; i < size && j < size; i++) { switch (src[i]) { case 0x7e: dst[j] = 0x7d; j++; dst[j] = 0x5e; j++; break; case 0x7d: dst[j] = 0x7d; j++; dst[j] = 0x5d; j++; break; default: dst[j] = src[i]; j++; break; } } return (i); } static int upgt_mem_init(struct upgt_softc *sc) { int i; for (i = 0; i < UPGT_MEMORY_MAX_PAGES; i++) { sc->sc_memory.page[i].used = 0; if (i == 0) { /* * The first memory page is always reserved for * command data. */ sc->sc_memory.page[i].addr = sc->sc_memaddr_frame_start + MCLBYTES; } else { sc->sc_memory.page[i].addr = sc->sc_memory.page[i - 1].addr + MCLBYTES; } if (sc->sc_memory.page[i].addr + MCLBYTES >= sc->sc_memaddr_frame_end) break; DPRINTF(sc, UPGT_DEBUG_FW, "memory address page %d=0x%08x\n", i, sc->sc_memory.page[i].addr); } sc->sc_memory.pages = i; if (upgt_txbuf > sc->sc_memory.pages) DPRINTF(sc, UPGT_DEBUG_FW, "memory pages=%d\n", sc->sc_memory.pages); return (0); } static int upgt_fw_verify(struct upgt_softc *sc) { const struct firmware *fw; const struct upgt_fw_bra_option *bra_opt; const struct upgt_fw_bra_descr *descr; const uint8_t *p; const uint32_t *uc; uint32_t bra_option_type, bra_option_len; int offset, bra_end = 0, error = 0; fw = firmware_get(upgt_fwname); if (fw == NULL) { device_printf(sc->sc_dev, "could not read microcode %s!\n", upgt_fwname); return EIO; } /* * Seek to beginning of Boot Record Area (BRA). */ for (offset = 0; offset < fw->datasize; offset += sizeof(*uc)) { uc = (const uint32_t *)((const uint8_t *)fw->data + offset); if (*uc == 0) break; } for (; offset < fw->datasize; offset += sizeof(*uc)) { uc = (const uint32_t *)((const uint8_t *)fw->data + offset); if (*uc != 0) break; } if (offset == fw->datasize) { device_printf(sc->sc_dev, "firmware Boot Record Area not found!\n"); error = EIO; goto fail; } DPRINTF(sc, UPGT_DEBUG_FW, "firmware Boot Record Area found at offset %d\n", offset); /* * Parse Boot Record Area (BRA) options. */ while (offset < fw->datasize && bra_end == 0) { /* get current BRA option */ p = (const uint8_t *)fw->data + offset; bra_opt = (const struct upgt_fw_bra_option *)p; bra_option_type = le32toh(bra_opt->type); bra_option_len = le32toh(bra_opt->len) * sizeof(*uc); switch (bra_option_type) { case UPGT_BRA_TYPE_FW: DPRINTF(sc, UPGT_DEBUG_FW, "UPGT_BRA_TYPE_FW len=%d\n", bra_option_len); if (bra_option_len != UPGT_BRA_FWTYPE_SIZE) { device_printf(sc->sc_dev, "wrong UPGT_BRA_TYPE_FW len!\n"); error = EIO; goto fail; } if (memcmp(UPGT_BRA_FWTYPE_LM86, bra_opt->data, bra_option_len) == 0) { sc->sc_fw_type = UPGT_FWTYPE_LM86; break; } if (memcmp(UPGT_BRA_FWTYPE_LM87, bra_opt->data, bra_option_len) == 0) { sc->sc_fw_type = UPGT_FWTYPE_LM87; break; } device_printf(sc->sc_dev, "unsupported firmware type!\n"); error = EIO; goto fail; case UPGT_BRA_TYPE_VERSION: DPRINTF(sc, UPGT_DEBUG_FW, "UPGT_BRA_TYPE_VERSION len=%d\n", bra_option_len); break; case UPGT_BRA_TYPE_DEPIF: DPRINTF(sc, UPGT_DEBUG_FW, "UPGT_BRA_TYPE_DEPIF len=%d\n", bra_option_len); break; case UPGT_BRA_TYPE_EXPIF: DPRINTF(sc, UPGT_DEBUG_FW, "UPGT_BRA_TYPE_EXPIF len=%d\n", bra_option_len); break; case UPGT_BRA_TYPE_DESCR: DPRINTF(sc, UPGT_DEBUG_FW, "UPGT_BRA_TYPE_DESCR len=%d\n", bra_option_len); descr = (const struct upgt_fw_bra_descr *)bra_opt->data; sc->sc_memaddr_frame_start = le32toh(descr->memaddr_space_start); sc->sc_memaddr_frame_end = le32toh(descr->memaddr_space_end); DPRINTF(sc, UPGT_DEBUG_FW, "memory address space start=0x%08x\n", sc->sc_memaddr_frame_start); DPRINTF(sc, UPGT_DEBUG_FW, "memory address space end=0x%08x\n", sc->sc_memaddr_frame_end); break; case UPGT_BRA_TYPE_END: DPRINTF(sc, UPGT_DEBUG_FW, "UPGT_BRA_TYPE_END len=%d\n", bra_option_len); bra_end = 1; break; default: DPRINTF(sc, UPGT_DEBUG_FW, "unknown BRA option len=%d\n", bra_option_len); error = EIO; goto fail; } /* jump to next BRA option */ offset += sizeof(struct upgt_fw_bra_option) + bra_option_len; } DPRINTF(sc, UPGT_DEBUG_FW, "%s: firmware verified", __func__); fail: firmware_put(fw, FIRMWARE_UNLOAD); return (error); } static int upgt_bulk_xmit(struct upgt_softc *sc, struct upgt_data *data, usbd_pipe_handle pipeh, uint32_t *size, int flags) { usbd_status status; mtx_lock(&Giant); status = usbd_bulk_transfer(data->xfer, pipeh, USBD_NO_COPY | flags, UPGT_USB_TIMEOUT, data->buf, size, "upgt_bulk_xmit"); if (status != USBD_NORMAL_COMPLETION) { device_printf(sc->sc_dev, "%s: error %s!\n", __func__, usbd_errstr(status)); mtx_unlock(&Giant); return (EIO); } mtx_unlock(&Giant); return (0); } static int upgt_device_reset(struct upgt_softc *sc) { struct upgt_data *data_cmd = &sc->cmd_data; char init_cmd[] = { 0x7e, 0x7e, 0x7e, 0x7e }; int len; len = sizeof(init_cmd); bcopy(init_cmd, data_cmd->buf, len); if (upgt_bulk_xmit(sc, data_cmd, sc->sc_tx_pipeh, &len, 0) != 0) { device_printf(sc->sc_dev, "could not send device init string!\n"); return (EIO); } usbd_delay_ms(sc->sc_udev, 100); DPRINTF(sc, UPGT_DEBUG_FW, "%s: device initialized\n", __func__); return (0); } static int upgt_alloc_tx(struct upgt_softc *sc) { int i; sc->tx_queued = 0; for (i = 0; i < upgt_txbuf; i++) { struct upgt_data *data_tx = &sc->tx_data[i]; data_tx->sc = sc; data_tx->xfer = usbd_alloc_xfer(sc->sc_udev); if (data_tx->xfer == NULL) { device_printf(sc->sc_dev, "could not allocate TX xfer!\n"); return (ENOMEM); } data_tx->buf = usbd_alloc_buffer(data_tx->xfer, MCLBYTES); if (data_tx->buf == NULL) { device_printf(sc->sc_dev, "could not allocate TX buffer!\n"); return (ENOMEM); } bzero(data_tx->buf, MCLBYTES); } return (0); } static int upgt_alloc_rx(struct upgt_softc *sc) { struct upgt_data *data_rx = &sc->rx_data; data_rx->sc = sc; data_rx->xfer = usbd_alloc_xfer(sc->sc_udev); if (data_rx->xfer == NULL) { device_printf(sc->sc_dev, "could not allocate RX xfer!\n"); return (ENOMEM); } data_rx->buf = usbd_alloc_buffer(data_rx->xfer, MCLBYTES); if (data_rx->buf == NULL) { device_printf(sc->sc_dev, "could not allocate RX buffer!\n"); return (ENOMEM); } bzero(data_rx->buf, MCLBYTES); return (0); } static int upgt_alloc_cmd(struct upgt_softc *sc) { struct upgt_data *data_cmd = &sc->cmd_data; data_cmd->sc = sc; data_cmd->xfer = usbd_alloc_xfer(sc->sc_udev); if (data_cmd->xfer == NULL) { device_printf(sc->sc_dev, "could not allocate RX xfer!\n"); return (ENOMEM); } data_cmd->buf = usbd_alloc_buffer(data_cmd->xfer, MCLBYTES); if (data_cmd->buf == NULL) { device_printf(sc->sc_dev, "could not allocate RX buffer!\n"); return (ENOMEM); } bzero(data_cmd->buf, MCLBYTES); return (0); } static int upgt_detach(device_t dev) { struct upgt_softc *sc = device_get_softc(dev); struct ifnet *ifp = sc->sc_ifp; struct ieee80211com *ic = ifp->if_l2com; if (!device_is_attached(dev)) return 0; upgt_stop(sc, 1); /* abort and close TX / RX pipes */ if (sc->sc_tx_pipeh != NULL) usbd_close_pipe(sc->sc_tx_pipeh); if (sc->sc_rx_pipeh != NULL) usbd_close_pipe(sc->sc_rx_pipeh); mtx_destroy(&sc->sc_mtx); usb_rem_task(sc->sc_udev, &sc->sc_mcasttask); usb_rem_task(sc->sc_udev, &sc->sc_scantask); usb_rem_task(sc->sc_udev, &sc->sc_task); usb_rem_task(sc->sc_udev, &sc->sc_task_tx); callout_stop(&sc->sc_led_ch); callout_stop(&sc->sc_watchdog_ch); /* free xfers */ upgt_free_tx(sc); upgt_free_rx(sc); upgt_free_cmd(sc); bpfdetach(ifp); ieee80211_ifdetach(ic); if_free(ifp); usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->sc_udev, sc->sc_dev); return 0; } static void upgt_free_rx(struct upgt_softc *sc) { struct upgt_data *data_rx = &sc->rx_data; if (data_rx->xfer != NULL) { usbd_free_xfer(data_rx->xfer); data_rx->xfer = NULL; } data_rx->ni = NULL; } static void upgt_free_tx(struct upgt_softc *sc) { int i; for (i = 0; i < upgt_txbuf; i++) { struct upgt_data *data_tx = &sc->tx_data[i]; if (data_tx->xfer != NULL) { usbd_free_xfer(data_tx->xfer); data_tx->xfer = NULL; } data_tx->ni = NULL; } } static void upgt_free_cmd(struct upgt_softc *sc) { struct upgt_data *data_cmd = &sc->cmd_data; if (data_cmd->xfer != NULL) { usbd_free_xfer(data_cmd->xfer); data_cmd->xfer = NULL; } } static device_method_t upgt_methods[] = { /* Device interface */ DEVMETHOD(device_probe, upgt_match), DEVMETHOD(device_attach, upgt_attach), DEVMETHOD(device_detach, upgt_detach), { 0, 0 } }; static driver_t upgt_driver = { "upgt", upgt_methods, sizeof(struct upgt_softc) }; static devclass_t upgt_devclass; DRIVER_MODULE(if_upgt, uhub, upgt_driver, upgt_devclass, usbd_driver_load, 0); MODULE_VERSION(if_upgt, 1); MODULE_DEPEND(if_upgt, usb, 1, 1, 1); MODULE_DEPEND(if_upgt, wlan, 1, 1, 1); MODULE_DEPEND(if_upgt, upgtfw_fw, 1, 1, 1);