if_upgt.c revision 207554
1191983Sweongyo/* $OpenBSD: if_upgt.c,v 1.35 2008/04/16 18:32:15 damien Exp $ */ 2191983Sweongyo/* $FreeBSD: head/sys/dev/usb/wlan/if_upgt.c 207554 2010-05-03 07:32:50Z sobomax $ */ 3191983Sweongyo 4191983Sweongyo/* 5191983Sweongyo * Copyright (c) 2007 Marcus Glocker <mglocker@openbsd.org> 6191983Sweongyo * 7191983Sweongyo * Permission to use, copy, modify, and distribute this software for any 8191983Sweongyo * purpose with or without fee is hereby granted, provided that the above 9191983Sweongyo * copyright notice and this permission notice appear in all copies. 10191983Sweongyo * 11191983Sweongyo * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 12191983Sweongyo * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 13191983Sweongyo * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 14191983Sweongyo * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 15191983Sweongyo * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 16191983Sweongyo * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 17191983Sweongyo * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 18191983Sweongyo */ 19191983Sweongyo 20191983Sweongyo#include <sys/param.h> 21191983Sweongyo#include <sys/systm.h> 22191983Sweongyo#include <sys/kernel.h> 23191983Sweongyo#include <sys/endian.h> 24191983Sweongyo#include <sys/firmware.h> 25191983Sweongyo#include <sys/linker.h> 26191983Sweongyo#include <sys/mbuf.h> 27191983Sweongyo#include <sys/malloc.h> 28191983Sweongyo#include <sys/module.h> 29191983Sweongyo#include <sys/socket.h> 30191983Sweongyo#include <sys/sockio.h> 31191983Sweongyo#include <sys/sysctl.h> 32191983Sweongyo 33191983Sweongyo#include <net/if.h> 34191983Sweongyo#include <net/if_arp.h> 35191983Sweongyo#include <net/ethernet.h> 36191983Sweongyo#include <net/if_dl.h> 37191983Sweongyo#include <net/if_media.h> 38191983Sweongyo#include <net/if_types.h> 39191983Sweongyo 40191983Sweongyo#include <sys/bus.h> 41191983Sweongyo#include <machine/bus.h> 42191983Sweongyo 43191983Sweongyo#include <net80211/ieee80211_var.h> 44191983Sweongyo#include <net80211/ieee80211_phy.h> 45191983Sweongyo#include <net80211/ieee80211_radiotap.h> 46191983Sweongyo#include <net80211/ieee80211_regdomain.h> 47191983Sweongyo 48191983Sweongyo#include <net/bpf.h> 49191983Sweongyo 50191983Sweongyo#include <dev/usb/usb.h> 51194677Sthompsa#include <dev/usb/usbdi.h> 52191983Sweongyo#include "usbdevs.h" 53191983Sweongyo 54191983Sweongyo#include <dev/usb/wlan/if_upgtvar.h> 55191983Sweongyo 56191983Sweongyo/* 57191983Sweongyo * Driver for the USB PrismGT devices. 58191983Sweongyo * 59191983Sweongyo * For now just USB 2.0 devices with the GW3887 chipset are supported. 60191983Sweongyo * The driver has been written based on the firmware version 2.13.1.0_LM87. 61191983Sweongyo * 62191983Sweongyo * TODO's: 63191983Sweongyo * - MONITOR mode test. 64191983Sweongyo * - Add HOSTAP mode. 65191983Sweongyo * - Add IBSS mode. 66191983Sweongyo * - Support the USB 1.0 devices (NET2280, ISL3880, ISL3886 chipsets). 67191983Sweongyo * 68191983Sweongyo * Parts of this driver has been influenced by reading the p54u driver 69191983Sweongyo * written by Jean-Baptiste Note <jean-baptiste.note@m4x.org> and 70191983Sweongyo * Sebastien Bourdeauducq <lekernel@prism54.org>. 71191983Sweongyo */ 72191983Sweongyo 73191983SweongyoSYSCTL_NODE(_hw, OID_AUTO, upgt, CTLFLAG_RD, 0, 74191983Sweongyo "USB PrismGT GW3887 driver parameters"); 75191983Sweongyo 76191983Sweongyo#ifdef UPGT_DEBUG 77191983Sweongyoint upgt_debug = 0; 78191983SweongyoSYSCTL_INT(_hw_upgt, OID_AUTO, debug, CTLFLAG_RW, &upgt_debug, 79191983Sweongyo 0, "control debugging printfs"); 80191983SweongyoTUNABLE_INT("hw.upgt.debug", &upgt_debug); 81191983Sweongyoenum { 82191983Sweongyo UPGT_DEBUG_XMIT = 0x00000001, /* basic xmit operation */ 83191983Sweongyo UPGT_DEBUG_RECV = 0x00000002, /* basic recv operation */ 84191983Sweongyo UPGT_DEBUG_RESET = 0x00000004, /* reset processing */ 85191983Sweongyo UPGT_DEBUG_INTR = 0x00000008, /* INTR */ 86191983Sweongyo UPGT_DEBUG_TX_PROC = 0x00000010, /* tx ISR proc */ 87191983Sweongyo UPGT_DEBUG_RX_PROC = 0x00000020, /* rx ISR proc */ 88191983Sweongyo UPGT_DEBUG_STATE = 0x00000040, /* 802.11 state transitions */ 89191983Sweongyo UPGT_DEBUG_STAT = 0x00000080, /* statistic */ 90191983Sweongyo UPGT_DEBUG_FW = 0x00000100, /* firmware */ 91191983Sweongyo UPGT_DEBUG_ANY = 0xffffffff 92191983Sweongyo}; 93191983Sweongyo#define DPRINTF(sc, m, fmt, ...) do { \ 94191983Sweongyo if (sc->sc_debug & (m)) \ 95191983Sweongyo printf(fmt, __VA_ARGS__); \ 96191983Sweongyo} while (0) 97191983Sweongyo#else 98191983Sweongyo#define DPRINTF(sc, m, fmt, ...) do { \ 99191983Sweongyo (void) sc; \ 100191983Sweongyo} while (0) 101191983Sweongyo#endif 102191983Sweongyo 103191983Sweongyo/* 104191983Sweongyo * Prototypes. 105191983Sweongyo */ 106191983Sweongyostatic device_probe_t upgt_match; 107191983Sweongyostatic device_attach_t upgt_attach; 108191983Sweongyostatic device_detach_t upgt_detach; 109191983Sweongyostatic int upgt_alloc_tx(struct upgt_softc *); 110191983Sweongyostatic int upgt_alloc_rx(struct upgt_softc *); 111191983Sweongyostatic int upgt_device_reset(struct upgt_softc *); 112191983Sweongyostatic void upgt_bulk_tx(struct upgt_softc *, struct upgt_data *); 113191983Sweongyostatic int upgt_fw_verify(struct upgt_softc *); 114191983Sweongyostatic int upgt_mem_init(struct upgt_softc *); 115191983Sweongyostatic int upgt_fw_load(struct upgt_softc *); 116191983Sweongyostatic int upgt_fw_copy(const uint8_t *, char *, int); 117191983Sweongyostatic uint32_t upgt_crc32_le(const void *, size_t); 118191983Sweongyostatic struct mbuf * 119192984Sthompsa upgt_rxeof(struct usb_xfer *, struct upgt_data *, int *); 120191983Sweongyostatic struct mbuf * 121191983Sweongyo upgt_rx(struct upgt_softc *, uint8_t *, int, int *); 122192984Sthompsastatic void upgt_txeof(struct usb_xfer *, struct upgt_data *); 123191983Sweongyostatic int upgt_eeprom_read(struct upgt_softc *); 124191983Sweongyostatic int upgt_eeprom_parse(struct upgt_softc *); 125191983Sweongyostatic void upgt_eeprom_parse_hwrx(struct upgt_softc *, uint8_t *); 126191983Sweongyostatic void upgt_eeprom_parse_freq3(struct upgt_softc *, uint8_t *, int); 127191983Sweongyostatic void upgt_eeprom_parse_freq4(struct upgt_softc *, uint8_t *, int); 128191983Sweongyostatic void upgt_eeprom_parse_freq6(struct upgt_softc *, uint8_t *, int); 129191983Sweongyostatic uint32_t upgt_chksum_le(const uint32_t *, size_t); 130191983Sweongyostatic void upgt_tx_done(struct upgt_softc *, uint8_t *); 131191983Sweongyostatic void upgt_init(void *); 132191983Sweongyostatic void upgt_init_locked(struct upgt_softc *); 133191983Sweongyostatic int upgt_ioctl(struct ifnet *, u_long, caddr_t); 134191983Sweongyostatic void upgt_start(struct ifnet *); 135191983Sweongyostatic int upgt_raw_xmit(struct ieee80211_node *, struct mbuf *, 136191983Sweongyo const struct ieee80211_bpf_params *); 137191983Sweongyostatic void upgt_scan_start(struct ieee80211com *); 138191983Sweongyostatic void upgt_scan_end(struct ieee80211com *); 139191983Sweongyostatic void upgt_set_channel(struct ieee80211com *); 140191983Sweongyostatic struct ieee80211vap *upgt_vap_create(struct ieee80211com *, 141191983Sweongyo const char name[IFNAMSIZ], int unit, int opmode, 142191983Sweongyo int flags, const uint8_t bssid[IEEE80211_ADDR_LEN], 143191983Sweongyo const uint8_t mac[IEEE80211_ADDR_LEN]); 144191983Sweongyostatic void upgt_vap_delete(struct ieee80211vap *); 145191983Sweongyostatic void upgt_update_mcast(struct ifnet *); 146191983Sweongyostatic uint8_t upgt_rx_rate(struct upgt_softc *, const int); 147191983Sweongyostatic void upgt_set_multi(void *); 148191983Sweongyostatic void upgt_stop(struct upgt_softc *); 149191983Sweongyostatic void upgt_setup_rates(struct ieee80211vap *, struct ieee80211com *); 150191983Sweongyostatic int upgt_set_macfilter(struct upgt_softc *, uint8_t); 151191983Sweongyostatic int upgt_newstate(struct ieee80211vap *, enum ieee80211_state, int); 152191983Sweongyostatic void upgt_set_chan(struct upgt_softc *, struct ieee80211_channel *); 153191983Sweongyostatic void upgt_set_led(struct upgt_softc *, int); 154191983Sweongyostatic void upgt_set_led_blink(void *); 155191983Sweongyostatic void upgt_get_stats(struct upgt_softc *); 156191983Sweongyostatic void upgt_mem_free(struct upgt_softc *, uint32_t); 157191983Sweongyostatic uint32_t upgt_mem_alloc(struct upgt_softc *); 158191983Sweongyostatic void upgt_free_tx(struct upgt_softc *); 159191983Sweongyostatic void upgt_free_rx(struct upgt_softc *); 160191983Sweongyostatic void upgt_watchdog(void *); 161191983Sweongyostatic void upgt_abort_xfers(struct upgt_softc *); 162191983Sweongyostatic void upgt_abort_xfers_locked(struct upgt_softc *); 163191983Sweongyostatic void upgt_sysctl_node(struct upgt_softc *); 164191983Sweongyostatic struct upgt_data * 165191983Sweongyo upgt_getbuf(struct upgt_softc *); 166191983Sweongyostatic struct upgt_data * 167191983Sweongyo upgt_gettxbuf(struct upgt_softc *); 168191983Sweongyostatic int upgt_tx_start(struct upgt_softc *, struct mbuf *, 169191983Sweongyo struct ieee80211_node *, struct upgt_data *); 170191983Sweongyo 171191983Sweongyostatic const char *upgt_fwname = "upgt-gw3887"; 172191983Sweongyo 173192984Sthompsastatic const struct usb_device_id upgt_devs_2[] = { 174191983Sweongyo#define UPGT_DEV(v,p) { USB_VP(USB_VENDOR_##v, USB_PRODUCT_##v##_##p) } 175191983Sweongyo /* version 2 devices */ 176191983Sweongyo UPGT_DEV(ACCTON, PRISM_GT), 177191983Sweongyo UPGT_DEV(BELKIN, F5D7050), 178191983Sweongyo UPGT_DEV(CISCOLINKSYS, WUSB54AG), 179191983Sweongyo UPGT_DEV(CONCEPTRONIC, PRISM_GT), 180191983Sweongyo UPGT_DEV(DELL, PRISM_GT_1), 181191983Sweongyo UPGT_DEV(DELL, PRISM_GT_2), 182191983Sweongyo UPGT_DEV(FSC, E5400), 183191983Sweongyo UPGT_DEV(GLOBESPAN, PRISM_GT_1), 184191983Sweongyo UPGT_DEV(GLOBESPAN, PRISM_GT_2), 185191983Sweongyo UPGT_DEV(INTERSIL, PRISM_GT), 186191983Sweongyo UPGT_DEV(SMC, 2862WG), 187191983Sweongyo UPGT_DEV(WISTRONNEWEB, UR045G), 188191983Sweongyo UPGT_DEV(XYRATEX, PRISM_GT_1), 189191983Sweongyo UPGT_DEV(XYRATEX, PRISM_GT_2), 190191983Sweongyo UPGT_DEV(ZCOM, XG703A), 191191983Sweongyo UPGT_DEV(ZCOM, XM142) 192191983Sweongyo}; 193191983Sweongyo 194193045Sthompsastatic usb_callback_t upgt_bulk_rx_callback; 195193045Sthompsastatic usb_callback_t upgt_bulk_tx_callback; 196191983Sweongyo 197192984Sthompsastatic const struct usb_config upgt_config[UPGT_N_XFERS] = { 198191983Sweongyo [UPGT_BULK_TX] = { 199191983Sweongyo .type = UE_BULK, 200191983Sweongyo .endpoint = UE_ADDR_ANY, 201191983Sweongyo .direction = UE_DIR_OUT, 202191983Sweongyo .bufsize = MCLBYTES, 203191983Sweongyo .flags = { 204191983Sweongyo .ext_buffer = 1, 205191983Sweongyo .force_short_xfer = 1, 206191983Sweongyo .pipe_bof = 1 207191983Sweongyo }, 208191983Sweongyo .callback = upgt_bulk_tx_callback, 209191983Sweongyo .timeout = UPGT_USB_TIMEOUT, /* ms */ 210191983Sweongyo }, 211191983Sweongyo [UPGT_BULK_RX] = { 212191983Sweongyo .type = UE_BULK, 213191983Sweongyo .endpoint = UE_ADDR_ANY, 214191983Sweongyo .direction = UE_DIR_IN, 215191983Sweongyo .bufsize = MCLBYTES, 216191983Sweongyo .flags = { 217191983Sweongyo .ext_buffer = 1, 218191983Sweongyo .pipe_bof = 1, 219191983Sweongyo .short_xfer_ok = 1 220191983Sweongyo }, 221191983Sweongyo .callback = upgt_bulk_rx_callback, 222191983Sweongyo }, 223191983Sweongyo}; 224191983Sweongyo 225191983Sweongyostatic int 226191983Sweongyoupgt_match(device_t dev) 227191983Sweongyo{ 228192984Sthompsa struct usb_attach_arg *uaa = device_get_ivars(dev); 229191983Sweongyo 230192499Sthompsa if (uaa->usb_mode != USB_MODE_HOST) 231191983Sweongyo return (ENXIO); 232191983Sweongyo if (uaa->info.bConfigIndex != UPGT_CONFIG_INDEX) 233191983Sweongyo return (ENXIO); 234191983Sweongyo if (uaa->info.bIfaceIndex != UPGT_IFACE_INDEX) 235191983Sweongyo return (ENXIO); 236191983Sweongyo 237194228Sthompsa return (usbd_lookup_id_by_uaa(upgt_devs_2, sizeof(upgt_devs_2), uaa)); 238191983Sweongyo} 239191983Sweongyo 240191983Sweongyostatic int 241191983Sweongyoupgt_attach(device_t dev) 242191983Sweongyo{ 243191983Sweongyo int error; 244191983Sweongyo struct ieee80211com *ic; 245191983Sweongyo struct ifnet *ifp; 246191983Sweongyo struct upgt_softc *sc = device_get_softc(dev); 247192984Sthompsa struct usb_attach_arg *uaa = device_get_ivars(dev); 248191983Sweongyo uint8_t bands, iface_index = UPGT_IFACE_INDEX; 249191983Sweongyo 250191983Sweongyo sc->sc_dev = dev; 251191983Sweongyo sc->sc_udev = uaa->device; 252191983Sweongyo#ifdef UPGT_DEBUG 253191983Sweongyo sc->sc_debug = upgt_debug; 254191983Sweongyo#endif 255194228Sthompsa device_set_usb_desc(dev); 256191983Sweongyo 257191983Sweongyo mtx_init(&sc->sc_mtx, device_get_nameunit(sc->sc_dev), MTX_NETWORK_LOCK, 258191983Sweongyo MTX_DEF); 259191983Sweongyo callout_init(&sc->sc_led_ch, 0); 260191983Sweongyo callout_init(&sc->sc_watchdog_ch, 0); 261191983Sweongyo 262191983Sweongyo /* Allocate TX and RX xfers. */ 263191983Sweongyo error = upgt_alloc_tx(sc); 264191983Sweongyo if (error) 265191983Sweongyo goto fail1; 266191983Sweongyo error = upgt_alloc_rx(sc); 267191983Sweongyo if (error) 268191983Sweongyo goto fail2; 269191983Sweongyo 270194228Sthompsa error = usbd_transfer_setup(uaa->device, &iface_index, sc->sc_xfer, 271191983Sweongyo upgt_config, UPGT_N_XFERS, sc, &sc->sc_mtx); 272191983Sweongyo if (error) { 273191983Sweongyo device_printf(dev, "could not allocate USB transfers, " 274194228Sthompsa "err=%s\n", usbd_errstr(error)); 275191983Sweongyo goto fail3; 276191983Sweongyo } 277191983Sweongyo 278191983Sweongyo ifp = sc->sc_ifp = if_alloc(IFT_IEEE80211); 279191983Sweongyo if (ifp == NULL) { 280191983Sweongyo device_printf(dev, "can not if_alloc()\n"); 281191983Sweongyo goto fail4; 282191983Sweongyo } 283191983Sweongyo 284191983Sweongyo /* Initialize the device. */ 285191983Sweongyo error = upgt_device_reset(sc); 286191983Sweongyo if (error) 287191983Sweongyo goto fail5; 288191983Sweongyo /* Verify the firmware. */ 289191983Sweongyo error = upgt_fw_verify(sc); 290191983Sweongyo if (error) 291191983Sweongyo goto fail5; 292191983Sweongyo /* Calculate device memory space. */ 293191983Sweongyo if (sc->sc_memaddr_frame_start == 0 || sc->sc_memaddr_frame_end == 0) { 294191983Sweongyo device_printf(dev, 295199816Sthompsa "could not find memory space addresses on FW\n"); 296191983Sweongyo error = EIO; 297191983Sweongyo goto fail5; 298191983Sweongyo } 299191983Sweongyo sc->sc_memaddr_frame_end -= UPGT_MEMSIZE_RX + 1; 300191983Sweongyo sc->sc_memaddr_rx_start = sc->sc_memaddr_frame_end + 1; 301191983Sweongyo 302191983Sweongyo DPRINTF(sc, UPGT_DEBUG_FW, "memory address frame start=0x%08x\n", 303191983Sweongyo sc->sc_memaddr_frame_start); 304191983Sweongyo DPRINTF(sc, UPGT_DEBUG_FW, "memory address frame end=0x%08x\n", 305191983Sweongyo sc->sc_memaddr_frame_end); 306191983Sweongyo DPRINTF(sc, UPGT_DEBUG_FW, "memory address rx start=0x%08x\n", 307191983Sweongyo sc->sc_memaddr_rx_start); 308191983Sweongyo 309191983Sweongyo upgt_mem_init(sc); 310191983Sweongyo 311191983Sweongyo /* Load the firmware. */ 312191983Sweongyo error = upgt_fw_load(sc); 313191983Sweongyo if (error) 314191983Sweongyo goto fail5; 315191983Sweongyo 316191983Sweongyo /* Read the whole EEPROM content and parse it. */ 317191983Sweongyo error = upgt_eeprom_read(sc); 318191983Sweongyo if (error) 319191983Sweongyo goto fail5; 320191983Sweongyo error = upgt_eeprom_parse(sc); 321191983Sweongyo if (error) 322191983Sweongyo goto fail5; 323191983Sweongyo 324191983Sweongyo /* all works related with the device have done here. */ 325191983Sweongyo upgt_abort_xfers(sc); 326191983Sweongyo 327191983Sweongyo /* Setup the 802.11 device. */ 328191983Sweongyo ifp->if_softc = sc; 329191983Sweongyo if_initname(ifp, "upgt", device_get_unit(sc->sc_dev)); 330191983Sweongyo ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST; 331191983Sweongyo ifp->if_init = upgt_init; 332191983Sweongyo ifp->if_ioctl = upgt_ioctl; 333191983Sweongyo ifp->if_start = upgt_start; 334207554Ssobomax IFQ_SET_MAXLEN(&ifp->if_snd, ifqmaxlen); 335191983Sweongyo IFQ_SET_READY(&ifp->if_snd); 336191983Sweongyo 337191983Sweongyo ic = ifp->if_l2com; 338191983Sweongyo ic->ic_ifp = ifp; 339191983Sweongyo ic->ic_phytype = IEEE80211_T_OFDM; /* not only, but not used */ 340191983Sweongyo ic->ic_opmode = IEEE80211_M_STA; 341191983Sweongyo /* set device capabilities */ 342191983Sweongyo ic->ic_caps = 343191983Sweongyo IEEE80211_C_STA /* station mode */ 344191983Sweongyo | IEEE80211_C_MONITOR /* monitor mode */ 345191983Sweongyo | IEEE80211_C_SHPREAMBLE /* short preamble supported */ 346191983Sweongyo | IEEE80211_C_SHSLOT /* short slot time supported */ 347191983Sweongyo | IEEE80211_C_BGSCAN /* capable of bg scanning */ 348191983Sweongyo | IEEE80211_C_WPA /* 802.11i */ 349191983Sweongyo ; 350191983Sweongyo 351191983Sweongyo bands = 0; 352191983Sweongyo setbit(&bands, IEEE80211_MODE_11B); 353191983Sweongyo setbit(&bands, IEEE80211_MODE_11G); 354191983Sweongyo ieee80211_init_channels(ic, NULL, &bands); 355191983Sweongyo 356191983Sweongyo ieee80211_ifattach(ic, sc->sc_myaddr); 357191983Sweongyo ic->ic_raw_xmit = upgt_raw_xmit; 358191983Sweongyo ic->ic_scan_start = upgt_scan_start; 359191983Sweongyo ic->ic_scan_end = upgt_scan_end; 360191983Sweongyo ic->ic_set_channel = upgt_set_channel; 361191983Sweongyo 362191983Sweongyo ic->ic_vap_create = upgt_vap_create; 363191983Sweongyo ic->ic_vap_delete = upgt_vap_delete; 364191983Sweongyo ic->ic_update_mcast = upgt_update_mcast; 365191983Sweongyo 366192468Ssam ieee80211_radiotap_attach(ic, 367192468Ssam &sc->sc_txtap.wt_ihdr, sizeof(sc->sc_txtap), 368192468Ssam UPGT_TX_RADIOTAP_PRESENT, 369192468Ssam &sc->sc_rxtap.wr_ihdr, sizeof(sc->sc_rxtap), 370192468Ssam UPGT_RX_RADIOTAP_PRESENT); 371191983Sweongyo 372191983Sweongyo upgt_sysctl_node(sc); 373191983Sweongyo 374191983Sweongyo if (bootverbose) 375191983Sweongyo ieee80211_announce(ic); 376191983Sweongyo 377191983Sweongyo return (0); 378191983Sweongyo 379191983Sweongyofail5: if_free(ifp); 380194228Sthompsafail4: usbd_transfer_unsetup(sc->sc_xfer, UPGT_N_XFERS); 381191983Sweongyofail3: upgt_free_rx(sc); 382191983Sweongyofail2: upgt_free_tx(sc); 383191983Sweongyofail1: mtx_destroy(&sc->sc_mtx); 384191983Sweongyo 385191983Sweongyo return (error); 386191983Sweongyo} 387191983Sweongyo 388191983Sweongyostatic void 389192984Sthompsaupgt_txeof(struct usb_xfer *xfer, struct upgt_data *data) 390191983Sweongyo{ 391194677Sthompsa struct upgt_softc *sc = usbd_xfer_softc(xfer); 392191983Sweongyo struct ifnet *ifp = sc->sc_ifp; 393191983Sweongyo struct mbuf *m; 394191983Sweongyo 395191983Sweongyo UPGT_ASSERT_LOCKED(sc); 396191983Sweongyo 397191983Sweongyo /* 398191983Sweongyo * Do any tx complete callback. Note this must be done before releasing 399191983Sweongyo * the node reference. 400191983Sweongyo */ 401191983Sweongyo if (data->m) { 402191983Sweongyo m = data->m; 403191983Sweongyo if (m->m_flags & M_TXCB) { 404191983Sweongyo /* XXX status? */ 405191983Sweongyo ieee80211_process_callback(data->ni, m, 0); 406191983Sweongyo } 407191983Sweongyo m_freem(m); 408191983Sweongyo data->m = NULL; 409191983Sweongyo } 410191983Sweongyo if (data->ni) { 411191983Sweongyo ieee80211_free_node(data->ni); 412191983Sweongyo data->ni = NULL; 413191983Sweongyo } 414191983Sweongyo ifp->if_opackets++; 415191983Sweongyo} 416191983Sweongyo 417191983Sweongyostatic void 418191983Sweongyoupgt_get_stats(struct upgt_softc *sc) 419191983Sweongyo{ 420191983Sweongyo struct upgt_data *data_cmd; 421191983Sweongyo struct upgt_lmac_mem *mem; 422191983Sweongyo struct upgt_lmac_stats *stats; 423191983Sweongyo 424191983Sweongyo data_cmd = upgt_getbuf(sc); 425191983Sweongyo if (data_cmd == NULL) { 426191983Sweongyo device_printf(sc->sc_dev, "%s: out of buffer.\n", __func__); 427191983Sweongyo return; 428191983Sweongyo } 429191983Sweongyo 430191983Sweongyo /* 431191983Sweongyo * Transmit the URB containing the CMD data. 432191983Sweongyo */ 433191983Sweongyo bzero(data_cmd->buf, MCLBYTES); 434191983Sweongyo 435191983Sweongyo mem = (struct upgt_lmac_mem *)data_cmd->buf; 436191983Sweongyo mem->addr = htole32(sc->sc_memaddr_frame_start + 437191983Sweongyo UPGT_MEMSIZE_FRAME_HEAD); 438191983Sweongyo 439191983Sweongyo stats = (struct upgt_lmac_stats *)(mem + 1); 440191983Sweongyo 441191983Sweongyo stats->header1.flags = 0; 442191983Sweongyo stats->header1.type = UPGT_H1_TYPE_CTRL; 443191983Sweongyo stats->header1.len = htole16( 444191983Sweongyo sizeof(struct upgt_lmac_stats) - sizeof(struct upgt_lmac_header)); 445191983Sweongyo 446191983Sweongyo stats->header2.reqid = htole32(sc->sc_memaddr_frame_start); 447191983Sweongyo stats->header2.type = htole16(UPGT_H2_TYPE_STATS); 448191983Sweongyo stats->header2.flags = 0; 449191983Sweongyo 450191983Sweongyo data_cmd->buflen = sizeof(*mem) + sizeof(*stats); 451191983Sweongyo 452191983Sweongyo mem->chksum = upgt_chksum_le((uint32_t *)stats, 453191983Sweongyo data_cmd->buflen - sizeof(*mem)); 454191983Sweongyo 455191983Sweongyo upgt_bulk_tx(sc, data_cmd); 456191983Sweongyo} 457191983Sweongyo 458191983Sweongyostatic int 459191983Sweongyoupgt_ioctl(struct ifnet *ifp, u_long cmd, caddr_t data) 460191983Sweongyo{ 461191983Sweongyo struct upgt_softc *sc = ifp->if_softc; 462191983Sweongyo struct ieee80211com *ic = ifp->if_l2com; 463191983Sweongyo struct ifreq *ifr = (struct ifreq *) data; 464191983Sweongyo int error = 0, startall = 0; 465191983Sweongyo 466191983Sweongyo switch (cmd) { 467191983Sweongyo case SIOCSIFFLAGS: 468191983Sweongyo if (ifp->if_flags & IFF_UP) { 469191983Sweongyo if (ifp->if_drv_flags & IFF_DRV_RUNNING) { 470191983Sweongyo if ((ifp->if_flags ^ sc->sc_if_flags) & 471191983Sweongyo (IFF_ALLMULTI | IFF_PROMISC)) 472191983Sweongyo upgt_set_multi(sc); 473191983Sweongyo } else { 474191983Sweongyo upgt_init(sc); 475191983Sweongyo startall = 1; 476191983Sweongyo } 477191983Sweongyo } else { 478191983Sweongyo if (ifp->if_drv_flags & IFF_DRV_RUNNING) 479191983Sweongyo upgt_stop(sc); 480191983Sweongyo } 481191983Sweongyo sc->sc_if_flags = ifp->if_flags; 482191983Sweongyo if (startall) 483191983Sweongyo ieee80211_start_all(ic); 484191983Sweongyo break; 485191983Sweongyo case SIOCGIFMEDIA: 486191983Sweongyo error = ifmedia_ioctl(ifp, ifr, &ic->ic_media, cmd); 487191983Sweongyo break; 488191983Sweongyo case SIOCGIFADDR: 489191983Sweongyo error = ether_ioctl(ifp, cmd, data); 490191983Sweongyo break; 491191983Sweongyo default: 492191983Sweongyo error = EINVAL; 493191983Sweongyo break; 494191983Sweongyo } 495191983Sweongyo return error; 496191983Sweongyo} 497191983Sweongyo 498191983Sweongyostatic void 499191983Sweongyoupgt_stop_locked(struct upgt_softc *sc) 500191983Sweongyo{ 501191983Sweongyo struct ifnet *ifp = sc->sc_ifp; 502191983Sweongyo 503191983Sweongyo UPGT_ASSERT_LOCKED(sc); 504191983Sweongyo 505191983Sweongyo if (ifp->if_drv_flags & IFF_DRV_RUNNING) 506191983Sweongyo upgt_set_macfilter(sc, IEEE80211_S_INIT); 507191983Sweongyo upgt_abort_xfers_locked(sc); 508191983Sweongyo} 509191983Sweongyo 510191983Sweongyostatic void 511191983Sweongyoupgt_stop(struct upgt_softc *sc) 512191983Sweongyo{ 513191983Sweongyo struct ifnet *ifp = sc->sc_ifp; 514191983Sweongyo 515191983Sweongyo UPGT_LOCK(sc); 516191983Sweongyo upgt_stop_locked(sc); 517191983Sweongyo UPGT_UNLOCK(sc); 518191983Sweongyo 519191983Sweongyo /* device down */ 520191983Sweongyo sc->sc_tx_timer = 0; 521191983Sweongyo ifp->if_drv_flags &= ~(IFF_DRV_RUNNING | IFF_DRV_OACTIVE); 522191983Sweongyo sc->sc_flags &= ~UPGT_FLAG_INITDONE; 523191983Sweongyo} 524191983Sweongyo 525191983Sweongyostatic void 526191983Sweongyoupgt_set_led(struct upgt_softc *sc, int action) 527191983Sweongyo{ 528191983Sweongyo struct upgt_data *data_cmd; 529191983Sweongyo struct upgt_lmac_mem *mem; 530191983Sweongyo struct upgt_lmac_led *led; 531191983Sweongyo 532191983Sweongyo data_cmd = upgt_getbuf(sc); 533191983Sweongyo if (data_cmd == NULL) { 534191983Sweongyo device_printf(sc->sc_dev, "%s: out of buffers.\n", __func__); 535191983Sweongyo return; 536191983Sweongyo } 537191983Sweongyo 538191983Sweongyo /* 539191983Sweongyo * Transmit the URB containing the CMD data. 540191983Sweongyo */ 541191983Sweongyo bzero(data_cmd->buf, MCLBYTES); 542191983Sweongyo 543191983Sweongyo mem = (struct upgt_lmac_mem *)data_cmd->buf; 544191983Sweongyo mem->addr = htole32(sc->sc_memaddr_frame_start + 545191983Sweongyo UPGT_MEMSIZE_FRAME_HEAD); 546191983Sweongyo 547191983Sweongyo led = (struct upgt_lmac_led *)(mem + 1); 548191983Sweongyo 549191983Sweongyo led->header1.flags = UPGT_H1_FLAGS_TX_NO_CALLBACK; 550191983Sweongyo led->header1.type = UPGT_H1_TYPE_CTRL; 551191983Sweongyo led->header1.len = htole16( 552191983Sweongyo sizeof(struct upgt_lmac_led) - 553191983Sweongyo sizeof(struct upgt_lmac_header)); 554191983Sweongyo 555191983Sweongyo led->header2.reqid = htole32(sc->sc_memaddr_frame_start); 556191983Sweongyo led->header2.type = htole16(UPGT_H2_TYPE_LED); 557191983Sweongyo led->header2.flags = 0; 558191983Sweongyo 559191983Sweongyo switch (action) { 560191983Sweongyo case UPGT_LED_OFF: 561191983Sweongyo led->mode = htole16(UPGT_LED_MODE_SET); 562191983Sweongyo led->action_fix = 0; 563191983Sweongyo led->action_tmp = htole16(UPGT_LED_ACTION_OFF); 564191983Sweongyo led->action_tmp_dur = 0; 565191983Sweongyo break; 566191983Sweongyo case UPGT_LED_ON: 567191983Sweongyo led->mode = htole16(UPGT_LED_MODE_SET); 568191983Sweongyo led->action_fix = 0; 569191983Sweongyo led->action_tmp = htole16(UPGT_LED_ACTION_ON); 570191983Sweongyo led->action_tmp_dur = 0; 571191983Sweongyo break; 572191983Sweongyo case UPGT_LED_BLINK: 573191983Sweongyo if (sc->sc_state != IEEE80211_S_RUN) { 574191983Sweongyo STAILQ_INSERT_TAIL(&sc->sc_tx_inactive, data_cmd, next); 575191983Sweongyo return; 576191983Sweongyo } 577191983Sweongyo if (sc->sc_led_blink) { 578191983Sweongyo /* previous blink was not finished */ 579191983Sweongyo STAILQ_INSERT_TAIL(&sc->sc_tx_inactive, data_cmd, next); 580191983Sweongyo return; 581191983Sweongyo } 582191983Sweongyo led->mode = htole16(UPGT_LED_MODE_SET); 583191983Sweongyo led->action_fix = htole16(UPGT_LED_ACTION_OFF); 584191983Sweongyo led->action_tmp = htole16(UPGT_LED_ACTION_ON); 585191983Sweongyo led->action_tmp_dur = htole16(UPGT_LED_ACTION_TMP_DUR); 586191983Sweongyo /* lock blink */ 587191983Sweongyo sc->sc_led_blink = 1; 588191983Sweongyo callout_reset(&sc->sc_led_ch, hz, upgt_set_led_blink, sc); 589191983Sweongyo break; 590191983Sweongyo default: 591191983Sweongyo STAILQ_INSERT_TAIL(&sc->sc_tx_inactive, data_cmd, next); 592191983Sweongyo return; 593191983Sweongyo } 594191983Sweongyo 595191983Sweongyo data_cmd->buflen = sizeof(*mem) + sizeof(*led); 596191983Sweongyo 597191983Sweongyo mem->chksum = upgt_chksum_le((uint32_t *)led, 598191983Sweongyo data_cmd->buflen - sizeof(*mem)); 599191983Sweongyo 600191983Sweongyo upgt_bulk_tx(sc, data_cmd); 601191983Sweongyo} 602191983Sweongyo 603191983Sweongyostatic void 604191983Sweongyoupgt_set_led_blink(void *arg) 605191983Sweongyo{ 606191983Sweongyo struct upgt_softc *sc = arg; 607191983Sweongyo 608191983Sweongyo /* blink finished, we are ready for a next one */ 609191983Sweongyo sc->sc_led_blink = 0; 610191983Sweongyo} 611191983Sweongyo 612191983Sweongyostatic void 613191983Sweongyoupgt_init(void *priv) 614191983Sweongyo{ 615191983Sweongyo struct upgt_softc *sc = priv; 616191983Sweongyo struct ifnet *ifp = sc->sc_ifp; 617191983Sweongyo struct ieee80211com *ic = ifp->if_l2com; 618191983Sweongyo 619191983Sweongyo UPGT_LOCK(sc); 620191983Sweongyo upgt_init_locked(sc); 621191983Sweongyo UPGT_UNLOCK(sc); 622191983Sweongyo 623191983Sweongyo if (ifp->if_drv_flags & IFF_DRV_RUNNING) 624191983Sweongyo ieee80211_start_all(ic); /* start all vap's */ 625191983Sweongyo} 626191983Sweongyo 627191983Sweongyostatic void 628191983Sweongyoupgt_init_locked(struct upgt_softc *sc) 629191983Sweongyo{ 630191983Sweongyo struct ifnet *ifp = sc->sc_ifp; 631191983Sweongyo 632191983Sweongyo UPGT_ASSERT_LOCKED(sc); 633191983Sweongyo 634191983Sweongyo if (ifp->if_drv_flags & IFF_DRV_RUNNING) 635191983Sweongyo upgt_stop_locked(sc); 636191983Sweongyo 637194228Sthompsa usbd_transfer_start(sc->sc_xfer[UPGT_BULK_RX]); 638191983Sweongyo 639191983Sweongyo (void)upgt_set_macfilter(sc, IEEE80211_S_SCAN); 640191983Sweongyo 641191983Sweongyo ifp->if_drv_flags &= ~IFF_DRV_OACTIVE; 642191983Sweongyo ifp->if_drv_flags |= IFF_DRV_RUNNING; 643191983Sweongyo sc->sc_flags |= UPGT_FLAG_INITDONE; 644191983Sweongyo 645191983Sweongyo callout_reset(&sc->sc_watchdog_ch, hz, upgt_watchdog, sc); 646191983Sweongyo} 647191983Sweongyo 648191983Sweongyostatic int 649191983Sweongyoupgt_set_macfilter(struct upgt_softc *sc, uint8_t state) 650191983Sweongyo{ 651191983Sweongyo struct ifnet *ifp = sc->sc_ifp; 652191983Sweongyo struct ieee80211com *ic = ifp->if_l2com; 653191983Sweongyo struct ieee80211vap *vap = TAILQ_FIRST(&ic->ic_vaps); 654191983Sweongyo struct ieee80211_node *ni = vap->iv_bss; 655191983Sweongyo struct upgt_data *data_cmd; 656191983Sweongyo struct upgt_lmac_mem *mem; 657191983Sweongyo struct upgt_lmac_filter *filter; 658191983Sweongyo uint8_t broadcast[] = { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff }; 659191983Sweongyo 660191983Sweongyo UPGT_ASSERT_LOCKED(sc); 661191983Sweongyo 662191983Sweongyo data_cmd = upgt_getbuf(sc); 663191983Sweongyo if (data_cmd == NULL) { 664191983Sweongyo device_printf(sc->sc_dev, "out of TX buffers.\n"); 665191983Sweongyo return (ENOBUFS); 666191983Sweongyo } 667191983Sweongyo 668191983Sweongyo /* 669191983Sweongyo * Transmit the URB containing the CMD data. 670191983Sweongyo */ 671191983Sweongyo bzero(data_cmd->buf, MCLBYTES); 672191983Sweongyo 673191983Sweongyo mem = (struct upgt_lmac_mem *)data_cmd->buf; 674191983Sweongyo mem->addr = htole32(sc->sc_memaddr_frame_start + 675191983Sweongyo UPGT_MEMSIZE_FRAME_HEAD); 676191983Sweongyo 677191983Sweongyo filter = (struct upgt_lmac_filter *)(mem + 1); 678191983Sweongyo 679191983Sweongyo filter->header1.flags = UPGT_H1_FLAGS_TX_NO_CALLBACK; 680191983Sweongyo filter->header1.type = UPGT_H1_TYPE_CTRL; 681191983Sweongyo filter->header1.len = htole16( 682191983Sweongyo sizeof(struct upgt_lmac_filter) - 683191983Sweongyo sizeof(struct upgt_lmac_header)); 684191983Sweongyo 685191983Sweongyo filter->header2.reqid = htole32(sc->sc_memaddr_frame_start); 686191983Sweongyo filter->header2.type = htole16(UPGT_H2_TYPE_MACFILTER); 687191983Sweongyo filter->header2.flags = 0; 688191983Sweongyo 689191983Sweongyo switch (state) { 690191983Sweongyo case IEEE80211_S_INIT: 691191983Sweongyo DPRINTF(sc, UPGT_DEBUG_STATE, "%s: set MAC filter to INIT\n", 692191983Sweongyo __func__); 693191983Sweongyo filter->type = htole16(UPGT_FILTER_TYPE_RESET); 694191983Sweongyo break; 695191983Sweongyo case IEEE80211_S_SCAN: 696191983Sweongyo DPRINTF(sc, UPGT_DEBUG_STATE, 697191983Sweongyo "set MAC filter to SCAN (bssid %s)\n", 698191983Sweongyo ether_sprintf(broadcast)); 699191983Sweongyo filter->type = htole16(UPGT_FILTER_TYPE_NONE); 700191983Sweongyo IEEE80211_ADDR_COPY(filter->dst, sc->sc_myaddr); 701191983Sweongyo IEEE80211_ADDR_COPY(filter->src, broadcast); 702191983Sweongyo filter->unknown1 = htole16(UPGT_FILTER_UNKNOWN1); 703191983Sweongyo filter->rxaddr = htole32(sc->sc_memaddr_rx_start); 704191983Sweongyo filter->unknown2 = htole16(UPGT_FILTER_UNKNOWN2); 705191983Sweongyo filter->rxhw = htole32(sc->sc_eeprom_hwrx); 706191983Sweongyo filter->unknown3 = htole16(UPGT_FILTER_UNKNOWN3); 707191983Sweongyo break; 708191983Sweongyo case IEEE80211_S_RUN: 709191983Sweongyo /* XXX monitor mode isn't tested yet. */ 710191983Sweongyo if (vap->iv_opmode == IEEE80211_M_MONITOR) { 711191983Sweongyo filter->type = htole16(UPGT_FILTER_TYPE_MONITOR); 712191983Sweongyo IEEE80211_ADDR_COPY(filter->dst, sc->sc_myaddr); 713191983Sweongyo IEEE80211_ADDR_COPY(filter->src, ni->ni_bssid); 714191983Sweongyo filter->unknown1 = htole16(UPGT_FILTER_MONITOR_UNKNOWN1); 715191983Sweongyo filter->rxaddr = htole32(sc->sc_memaddr_rx_start); 716191983Sweongyo filter->unknown2 = htole16(UPGT_FILTER_MONITOR_UNKNOWN2); 717191983Sweongyo filter->rxhw = htole32(sc->sc_eeprom_hwrx); 718191983Sweongyo filter->unknown3 = htole16(UPGT_FILTER_MONITOR_UNKNOWN3); 719191983Sweongyo } else { 720191983Sweongyo DPRINTF(sc, UPGT_DEBUG_STATE, 721191983Sweongyo "set MAC filter to RUN (bssid %s)\n", 722191983Sweongyo ether_sprintf(ni->ni_bssid)); 723191983Sweongyo filter->type = htole16(UPGT_FILTER_TYPE_STA); 724191983Sweongyo IEEE80211_ADDR_COPY(filter->dst, sc->sc_myaddr); 725191983Sweongyo IEEE80211_ADDR_COPY(filter->src, ni->ni_bssid); 726191983Sweongyo filter->unknown1 = htole16(UPGT_FILTER_UNKNOWN1); 727191983Sweongyo filter->rxaddr = htole32(sc->sc_memaddr_rx_start); 728191983Sweongyo filter->unknown2 = htole16(UPGT_FILTER_UNKNOWN2); 729191983Sweongyo filter->rxhw = htole32(sc->sc_eeprom_hwrx); 730191983Sweongyo filter->unknown3 = htole16(UPGT_FILTER_UNKNOWN3); 731191983Sweongyo } 732191983Sweongyo break; 733191983Sweongyo default: 734191983Sweongyo device_printf(sc->sc_dev, 735199816Sthompsa "MAC filter does not know that state\n"); 736191983Sweongyo break; 737191983Sweongyo } 738191983Sweongyo 739191983Sweongyo data_cmd->buflen = sizeof(*mem) + sizeof(*filter); 740191983Sweongyo 741191983Sweongyo mem->chksum = upgt_chksum_le((uint32_t *)filter, 742191983Sweongyo data_cmd->buflen - sizeof(*mem)); 743191983Sweongyo 744191983Sweongyo upgt_bulk_tx(sc, data_cmd); 745191983Sweongyo 746191983Sweongyo return (0); 747191983Sweongyo} 748191983Sweongyo 749191983Sweongyostatic void 750191983Sweongyoupgt_setup_rates(struct ieee80211vap *vap, struct ieee80211com *ic) 751191983Sweongyo{ 752191983Sweongyo struct ifnet *ifp = ic->ic_ifp; 753191983Sweongyo struct upgt_softc *sc = ifp->if_softc; 754191983Sweongyo const struct ieee80211_txparam *tp; 755191983Sweongyo 756191983Sweongyo /* 757191983Sweongyo * 0x01 = OFMD6 0x10 = DS1 758191983Sweongyo * 0x04 = OFDM9 0x11 = DS2 759191983Sweongyo * 0x06 = OFDM12 0x12 = DS5 760191983Sweongyo * 0x07 = OFDM18 0x13 = DS11 761191983Sweongyo * 0x08 = OFDM24 762191983Sweongyo * 0x09 = OFDM36 763191983Sweongyo * 0x0a = OFDM48 764191983Sweongyo * 0x0b = OFDM54 765191983Sweongyo */ 766191983Sweongyo const uint8_t rateset_auto_11b[] = 767191983Sweongyo { 0x13, 0x13, 0x12, 0x11, 0x11, 0x10, 0x10, 0x10 }; 768191983Sweongyo const uint8_t rateset_auto_11g[] = 769191983Sweongyo { 0x0b, 0x0a, 0x09, 0x08, 0x07, 0x06, 0x04, 0x01 }; 770191983Sweongyo const uint8_t rateset_fix_11bg[] = 771191983Sweongyo { 0x10, 0x11, 0x12, 0x13, 0x01, 0x04, 0x06, 0x07, 772191983Sweongyo 0x08, 0x09, 0x0a, 0x0b }; 773191983Sweongyo 774191983Sweongyo tp = &vap->iv_txparms[ieee80211_chan2mode(ic->ic_curchan)]; 775191983Sweongyo 776191983Sweongyo /* XXX */ 777191983Sweongyo if (tp->ucastrate == IEEE80211_FIXED_RATE_NONE) { 778191983Sweongyo /* 779191983Sweongyo * Automatic rate control is done by the device. 780191983Sweongyo * We just pass the rateset from which the device 781191983Sweongyo * will pickup a rate. 782191983Sweongyo */ 783191983Sweongyo if (ic->ic_curmode == IEEE80211_MODE_11B) 784191983Sweongyo bcopy(rateset_auto_11b, sc->sc_cur_rateset, 785191983Sweongyo sizeof(sc->sc_cur_rateset)); 786191983Sweongyo if (ic->ic_curmode == IEEE80211_MODE_11G || 787191983Sweongyo ic->ic_curmode == IEEE80211_MODE_AUTO) 788191983Sweongyo bcopy(rateset_auto_11g, sc->sc_cur_rateset, 789191983Sweongyo sizeof(sc->sc_cur_rateset)); 790191983Sweongyo } else { 791191983Sweongyo /* set a fixed rate */ 792191983Sweongyo memset(sc->sc_cur_rateset, rateset_fix_11bg[tp->ucastrate], 793191983Sweongyo sizeof(sc->sc_cur_rateset)); 794191983Sweongyo } 795191983Sweongyo} 796191983Sweongyo 797191983Sweongyostatic void 798191983Sweongyoupgt_set_multi(void *arg) 799191983Sweongyo{ 800191983Sweongyo struct upgt_softc *sc = arg; 801191983Sweongyo struct ifnet *ifp = sc->sc_ifp; 802191983Sweongyo 803191983Sweongyo if (!(ifp->if_flags & IFF_UP)) 804191983Sweongyo return; 805191983Sweongyo 806191983Sweongyo /* 807191983Sweongyo * XXX don't know how to set a device. Lack of docs. Just try to set 808191983Sweongyo * IFF_ALLMULTI flag here. 809191983Sweongyo */ 810191983Sweongyo ifp->if_flags |= IFF_ALLMULTI; 811191983Sweongyo} 812191983Sweongyo 813191983Sweongyostatic void 814191983Sweongyoupgt_start(struct ifnet *ifp) 815191983Sweongyo{ 816191983Sweongyo struct upgt_softc *sc = ifp->if_softc; 817191983Sweongyo struct upgt_data *data_tx; 818191983Sweongyo struct ieee80211_node *ni; 819191983Sweongyo struct mbuf *m; 820191983Sweongyo 821191983Sweongyo if ((ifp->if_drv_flags & IFF_DRV_RUNNING) == 0) 822191983Sweongyo return; 823191983Sweongyo 824191983Sweongyo UPGT_LOCK(sc); 825191983Sweongyo for (;;) { 826191983Sweongyo IFQ_DRV_DEQUEUE(&ifp->if_snd, m); 827191983Sweongyo if (m == NULL) 828191983Sweongyo break; 829191983Sweongyo 830191983Sweongyo data_tx = upgt_gettxbuf(sc); 831191983Sweongyo if (data_tx == NULL) { 832191983Sweongyo IFQ_DRV_PREPEND(&ifp->if_snd, m); 833191983Sweongyo break; 834191983Sweongyo } 835191983Sweongyo 836191983Sweongyo ni = (struct ieee80211_node *)m->m_pkthdr.rcvif; 837191983Sweongyo m->m_pkthdr.rcvif = NULL; 838191983Sweongyo 839191983Sweongyo if (upgt_tx_start(sc, m, ni, data_tx) != 0) { 840191983Sweongyo STAILQ_INSERT_HEAD(&sc->sc_tx_inactive, data_tx, next); 841191983Sweongyo UPGT_STAT_INC(sc, st_tx_inactive); 842191983Sweongyo ieee80211_free_node(ni); 843191983Sweongyo ifp->if_oerrors++; 844191983Sweongyo continue; 845191983Sweongyo } 846191983Sweongyo sc->sc_tx_timer = 5; 847191983Sweongyo } 848191983Sweongyo UPGT_UNLOCK(sc); 849191983Sweongyo} 850191983Sweongyo 851191983Sweongyostatic int 852191983Sweongyoupgt_raw_xmit(struct ieee80211_node *ni, struct mbuf *m, 853191983Sweongyo const struct ieee80211_bpf_params *params) 854191983Sweongyo{ 855191983Sweongyo struct ieee80211com *ic = ni->ni_ic; 856191983Sweongyo struct ifnet *ifp = ic->ic_ifp; 857191983Sweongyo struct upgt_softc *sc = ifp->if_softc; 858191983Sweongyo struct upgt_data *data_tx = NULL; 859191983Sweongyo 860191983Sweongyo /* prevent management frames from being sent if we're not ready */ 861191983Sweongyo if (!(ifp->if_drv_flags & IFF_DRV_RUNNING)) { 862191983Sweongyo m_freem(m); 863191983Sweongyo ieee80211_free_node(ni); 864191983Sweongyo return ENETDOWN; 865191983Sweongyo } 866191983Sweongyo 867191983Sweongyo UPGT_LOCK(sc); 868191983Sweongyo data_tx = upgt_gettxbuf(sc); 869191983Sweongyo if (data_tx == NULL) { 870191983Sweongyo ieee80211_free_node(ni); 871191983Sweongyo m_freem(m); 872191983Sweongyo UPGT_UNLOCK(sc); 873191983Sweongyo return (ENOBUFS); 874191983Sweongyo } 875191983Sweongyo 876191983Sweongyo if (upgt_tx_start(sc, m, ni, data_tx) != 0) { 877191983Sweongyo STAILQ_INSERT_HEAD(&sc->sc_tx_inactive, data_tx, next); 878191983Sweongyo UPGT_STAT_INC(sc, st_tx_inactive); 879191983Sweongyo ieee80211_free_node(ni); 880191983Sweongyo ifp->if_oerrors++; 881191983Sweongyo UPGT_UNLOCK(sc); 882191983Sweongyo return (EIO); 883191983Sweongyo } 884191983Sweongyo UPGT_UNLOCK(sc); 885191983Sweongyo 886191983Sweongyo sc->sc_tx_timer = 5; 887191983Sweongyo return (0); 888191983Sweongyo} 889191983Sweongyo 890191983Sweongyostatic void 891191983Sweongyoupgt_watchdog(void *arg) 892191983Sweongyo{ 893191983Sweongyo struct upgt_softc *sc = arg; 894191983Sweongyo struct ifnet *ifp = sc->sc_ifp; 895191983Sweongyo 896191983Sweongyo if (sc->sc_tx_timer > 0) { 897191983Sweongyo if (--sc->sc_tx_timer == 0) { 898191983Sweongyo device_printf(sc->sc_dev, "watchdog timeout\n"); 899191983Sweongyo /* upgt_init(ifp); XXX needs a process context ? */ 900191983Sweongyo ifp->if_oerrors++; 901191983Sweongyo return; 902191983Sweongyo } 903191983Sweongyo callout_reset(&sc->sc_watchdog_ch, hz, upgt_watchdog, sc); 904191983Sweongyo } 905191983Sweongyo} 906191983Sweongyo 907191983Sweongyostatic uint32_t 908191983Sweongyoupgt_mem_alloc(struct upgt_softc *sc) 909191983Sweongyo{ 910191983Sweongyo int i; 911191983Sweongyo 912191983Sweongyo for (i = 0; i < sc->sc_memory.pages; i++) { 913191983Sweongyo if (sc->sc_memory.page[i].used == 0) { 914191983Sweongyo sc->sc_memory.page[i].used = 1; 915191983Sweongyo return (sc->sc_memory.page[i].addr); 916191983Sweongyo } 917191983Sweongyo } 918191983Sweongyo 919191983Sweongyo return (0); 920191983Sweongyo} 921191983Sweongyo 922191983Sweongyostatic void 923191983Sweongyoupgt_scan_start(struct ieee80211com *ic) 924191983Sweongyo{ 925191983Sweongyo /* do nothing. */ 926191983Sweongyo} 927191983Sweongyo 928191983Sweongyostatic void 929191983Sweongyoupgt_scan_end(struct ieee80211com *ic) 930191983Sweongyo{ 931191983Sweongyo /* do nothing. */ 932191983Sweongyo} 933191983Sweongyo 934191983Sweongyostatic void 935191983Sweongyoupgt_set_channel(struct ieee80211com *ic) 936191983Sweongyo{ 937191983Sweongyo struct upgt_softc *sc = ic->ic_ifp->if_softc; 938191983Sweongyo 939191983Sweongyo UPGT_LOCK(sc); 940191983Sweongyo upgt_set_chan(sc, ic->ic_curchan); 941191983Sweongyo UPGT_UNLOCK(sc); 942191983Sweongyo} 943191983Sweongyo 944191983Sweongyostatic void 945191983Sweongyoupgt_set_chan(struct upgt_softc *sc, struct ieee80211_channel *c) 946191983Sweongyo{ 947191983Sweongyo struct ifnet *ifp = sc->sc_ifp; 948191983Sweongyo struct ieee80211com *ic = ifp->if_l2com; 949191983Sweongyo struct upgt_data *data_cmd; 950191983Sweongyo struct upgt_lmac_mem *mem; 951191983Sweongyo struct upgt_lmac_channel *chan; 952191983Sweongyo int channel; 953191983Sweongyo 954191983Sweongyo UPGT_ASSERT_LOCKED(sc); 955191983Sweongyo 956191983Sweongyo channel = ieee80211_chan2ieee(ic, c); 957191983Sweongyo if (channel == 0 || channel == IEEE80211_CHAN_ANY) { 958191983Sweongyo /* XXX should NEVER happen */ 959191983Sweongyo device_printf(sc->sc_dev, 960191983Sweongyo "%s: invalid channel %x\n", __func__, channel); 961191983Sweongyo return; 962191983Sweongyo } 963191983Sweongyo 964191983Sweongyo DPRINTF(sc, UPGT_DEBUG_STATE, "%s: channel %d\n", __func__, channel); 965191983Sweongyo 966191983Sweongyo data_cmd = upgt_getbuf(sc); 967191983Sweongyo if (data_cmd == NULL) { 968191983Sweongyo device_printf(sc->sc_dev, "%s: out of buffers.\n", __func__); 969191983Sweongyo return; 970191983Sweongyo } 971191983Sweongyo /* 972191983Sweongyo * Transmit the URB containing the CMD data. 973191983Sweongyo */ 974191983Sweongyo bzero(data_cmd->buf, MCLBYTES); 975191983Sweongyo 976191983Sweongyo mem = (struct upgt_lmac_mem *)data_cmd->buf; 977191983Sweongyo mem->addr = htole32(sc->sc_memaddr_frame_start + 978191983Sweongyo UPGT_MEMSIZE_FRAME_HEAD); 979191983Sweongyo 980191983Sweongyo chan = (struct upgt_lmac_channel *)(mem + 1); 981191983Sweongyo 982191983Sweongyo chan->header1.flags = UPGT_H1_FLAGS_TX_NO_CALLBACK; 983191983Sweongyo chan->header1.type = UPGT_H1_TYPE_CTRL; 984191983Sweongyo chan->header1.len = htole16( 985191983Sweongyo sizeof(struct upgt_lmac_channel) - sizeof(struct upgt_lmac_header)); 986191983Sweongyo 987191983Sweongyo chan->header2.reqid = htole32(sc->sc_memaddr_frame_start); 988191983Sweongyo chan->header2.type = htole16(UPGT_H2_TYPE_CHANNEL); 989191983Sweongyo chan->header2.flags = 0; 990191983Sweongyo 991191983Sweongyo chan->unknown1 = htole16(UPGT_CHANNEL_UNKNOWN1); 992191983Sweongyo chan->unknown2 = htole16(UPGT_CHANNEL_UNKNOWN2); 993191983Sweongyo chan->freq6 = sc->sc_eeprom_freq6[channel]; 994191983Sweongyo chan->settings = sc->sc_eeprom_freq6_settings; 995191983Sweongyo chan->unknown3 = UPGT_CHANNEL_UNKNOWN3; 996191983Sweongyo 997191983Sweongyo bcopy(&sc->sc_eeprom_freq3[channel].data, chan->freq3_1, 998191983Sweongyo sizeof(chan->freq3_1)); 999191983Sweongyo bcopy(&sc->sc_eeprom_freq4[channel], chan->freq4, 1000191983Sweongyo sizeof(sc->sc_eeprom_freq4[channel])); 1001191983Sweongyo bcopy(&sc->sc_eeprom_freq3[channel].data, chan->freq3_2, 1002191983Sweongyo sizeof(chan->freq3_2)); 1003191983Sweongyo 1004191983Sweongyo data_cmd->buflen = sizeof(*mem) + sizeof(*chan); 1005191983Sweongyo 1006191983Sweongyo mem->chksum = upgt_chksum_le((uint32_t *)chan, 1007191983Sweongyo data_cmd->buflen - sizeof(*mem)); 1008191983Sweongyo 1009191983Sweongyo upgt_bulk_tx(sc, data_cmd); 1010191983Sweongyo} 1011191983Sweongyo 1012191983Sweongyostatic struct ieee80211vap * 1013191983Sweongyoupgt_vap_create(struct ieee80211com *ic, 1014191983Sweongyo const char name[IFNAMSIZ], int unit, int opmode, int flags, 1015191983Sweongyo const uint8_t bssid[IEEE80211_ADDR_LEN], 1016191983Sweongyo const uint8_t mac[IEEE80211_ADDR_LEN]) 1017191983Sweongyo{ 1018191983Sweongyo struct upgt_vap *uvp; 1019191983Sweongyo struct ieee80211vap *vap; 1020191983Sweongyo 1021191983Sweongyo if (!TAILQ_EMPTY(&ic->ic_vaps)) /* only one at a time */ 1022191983Sweongyo return NULL; 1023191983Sweongyo uvp = (struct upgt_vap *) malloc(sizeof(struct upgt_vap), 1024191983Sweongyo M_80211_VAP, M_NOWAIT | M_ZERO); 1025191983Sweongyo if (uvp == NULL) 1026191983Sweongyo return NULL; 1027191983Sweongyo vap = &uvp->vap; 1028191983Sweongyo /* enable s/w bmiss handling for sta mode */ 1029191983Sweongyo ieee80211_vap_setup(ic, vap, name, unit, opmode, 1030191983Sweongyo flags | IEEE80211_CLONE_NOBEACONS, bssid, mac); 1031191983Sweongyo 1032191983Sweongyo /* override state transition machine */ 1033191983Sweongyo uvp->newstate = vap->iv_newstate; 1034191983Sweongyo vap->iv_newstate = upgt_newstate; 1035191983Sweongyo 1036191983Sweongyo /* setup device rates */ 1037191983Sweongyo upgt_setup_rates(vap, ic); 1038191983Sweongyo 1039191983Sweongyo /* complete setup */ 1040191983Sweongyo ieee80211_vap_attach(vap, ieee80211_media_change, 1041191983Sweongyo ieee80211_media_status); 1042191983Sweongyo ic->ic_opmode = opmode; 1043191983Sweongyo return vap; 1044191983Sweongyo} 1045191983Sweongyo 1046191983Sweongyostatic int 1047191983Sweongyoupgt_newstate(struct ieee80211vap *vap, enum ieee80211_state nstate, int arg) 1048191983Sweongyo{ 1049191983Sweongyo struct upgt_vap *uvp = UPGT_VAP(vap); 1050191983Sweongyo struct ieee80211com *ic = vap->iv_ic; 1051191983Sweongyo struct upgt_softc *sc = ic->ic_ifp->if_softc; 1052191983Sweongyo 1053191983Sweongyo /* do it in a process context */ 1054191983Sweongyo sc->sc_state = nstate; 1055191983Sweongyo 1056191983Sweongyo IEEE80211_UNLOCK(ic); 1057191983Sweongyo UPGT_LOCK(sc); 1058191983Sweongyo callout_stop(&sc->sc_led_ch); 1059191983Sweongyo callout_stop(&sc->sc_watchdog_ch); 1060191983Sweongyo 1061191983Sweongyo switch (nstate) { 1062191983Sweongyo case IEEE80211_S_INIT: 1063191983Sweongyo /* do not accept any frames if the device is down */ 1064191983Sweongyo (void)upgt_set_macfilter(sc, sc->sc_state); 1065191983Sweongyo upgt_set_led(sc, UPGT_LED_OFF); 1066191983Sweongyo break; 1067191983Sweongyo case IEEE80211_S_SCAN: 1068191983Sweongyo upgt_set_chan(sc, ic->ic_curchan); 1069191983Sweongyo break; 1070191983Sweongyo case IEEE80211_S_AUTH: 1071191983Sweongyo upgt_set_chan(sc, ic->ic_curchan); 1072191983Sweongyo break; 1073191983Sweongyo case IEEE80211_S_ASSOC: 1074191983Sweongyo break; 1075191983Sweongyo case IEEE80211_S_RUN: 1076191983Sweongyo upgt_set_macfilter(sc, sc->sc_state); 1077191983Sweongyo upgt_set_led(sc, UPGT_LED_ON); 1078191983Sweongyo break; 1079191983Sweongyo default: 1080191983Sweongyo break; 1081191983Sweongyo } 1082191983Sweongyo UPGT_UNLOCK(sc); 1083191983Sweongyo IEEE80211_LOCK(ic); 1084191983Sweongyo return (uvp->newstate(vap, nstate, arg)); 1085191983Sweongyo} 1086191983Sweongyo 1087191983Sweongyostatic void 1088191983Sweongyoupgt_vap_delete(struct ieee80211vap *vap) 1089191983Sweongyo{ 1090191983Sweongyo struct upgt_vap *uvp = UPGT_VAP(vap); 1091191983Sweongyo 1092191983Sweongyo ieee80211_vap_detach(vap); 1093191983Sweongyo free(uvp, M_80211_VAP); 1094191983Sweongyo} 1095191983Sweongyo 1096191983Sweongyostatic void 1097191983Sweongyoupgt_update_mcast(struct ifnet *ifp) 1098191983Sweongyo{ 1099191983Sweongyo struct upgt_softc *sc = ifp->if_softc; 1100191983Sweongyo 1101191983Sweongyo upgt_set_multi(sc); 1102191983Sweongyo} 1103191983Sweongyo 1104191983Sweongyostatic int 1105191983Sweongyoupgt_eeprom_parse(struct upgt_softc *sc) 1106191983Sweongyo{ 1107191983Sweongyo struct upgt_eeprom_header *eeprom_header; 1108191983Sweongyo struct upgt_eeprom_option *eeprom_option; 1109191983Sweongyo uint16_t option_len; 1110191983Sweongyo uint16_t option_type; 1111191983Sweongyo uint16_t preamble_len; 1112191983Sweongyo int option_end = 0; 1113191983Sweongyo 1114191983Sweongyo /* calculate eeprom options start offset */ 1115191983Sweongyo eeprom_header = (struct upgt_eeprom_header *)sc->sc_eeprom; 1116191983Sweongyo preamble_len = le16toh(eeprom_header->preamble_len); 1117191983Sweongyo eeprom_option = (struct upgt_eeprom_option *)(sc->sc_eeprom + 1118191983Sweongyo (sizeof(struct upgt_eeprom_header) + preamble_len)); 1119191983Sweongyo 1120191983Sweongyo while (!option_end) { 1121191983Sweongyo /* the eeprom option length is stored in words */ 1122191983Sweongyo option_len = 1123191983Sweongyo (le16toh(eeprom_option->len) - 1) * sizeof(uint16_t); 1124191983Sweongyo option_type = 1125191983Sweongyo le16toh(eeprom_option->type); 1126191983Sweongyo 1127191983Sweongyo switch (option_type) { 1128191983Sweongyo case UPGT_EEPROM_TYPE_NAME: 1129191983Sweongyo DPRINTF(sc, UPGT_DEBUG_FW, 1130191983Sweongyo "EEPROM name len=%d\n", option_len); 1131191983Sweongyo break; 1132191983Sweongyo case UPGT_EEPROM_TYPE_SERIAL: 1133191983Sweongyo DPRINTF(sc, UPGT_DEBUG_FW, 1134191983Sweongyo "EEPROM serial len=%d\n", option_len); 1135191983Sweongyo break; 1136191983Sweongyo case UPGT_EEPROM_TYPE_MAC: 1137191983Sweongyo DPRINTF(sc, UPGT_DEBUG_FW, 1138191983Sweongyo "EEPROM mac len=%d\n", option_len); 1139191983Sweongyo 1140191983Sweongyo IEEE80211_ADDR_COPY(sc->sc_myaddr, eeprom_option->data); 1141191983Sweongyo break; 1142191983Sweongyo case UPGT_EEPROM_TYPE_HWRX: 1143191983Sweongyo DPRINTF(sc, UPGT_DEBUG_FW, 1144191983Sweongyo "EEPROM hwrx len=%d\n", option_len); 1145191983Sweongyo 1146191983Sweongyo upgt_eeprom_parse_hwrx(sc, eeprom_option->data); 1147191983Sweongyo break; 1148191983Sweongyo case UPGT_EEPROM_TYPE_CHIP: 1149191983Sweongyo DPRINTF(sc, UPGT_DEBUG_FW, 1150191983Sweongyo "EEPROM chip len=%d\n", option_len); 1151191983Sweongyo break; 1152191983Sweongyo case UPGT_EEPROM_TYPE_FREQ3: 1153191983Sweongyo DPRINTF(sc, UPGT_DEBUG_FW, 1154191983Sweongyo "EEPROM freq3 len=%d\n", option_len); 1155191983Sweongyo 1156191983Sweongyo upgt_eeprom_parse_freq3(sc, eeprom_option->data, 1157191983Sweongyo option_len); 1158191983Sweongyo break; 1159191983Sweongyo case UPGT_EEPROM_TYPE_FREQ4: 1160191983Sweongyo DPRINTF(sc, UPGT_DEBUG_FW, 1161191983Sweongyo "EEPROM freq4 len=%d\n", option_len); 1162191983Sweongyo 1163191983Sweongyo upgt_eeprom_parse_freq4(sc, eeprom_option->data, 1164191983Sweongyo option_len); 1165191983Sweongyo break; 1166191983Sweongyo case UPGT_EEPROM_TYPE_FREQ5: 1167191983Sweongyo DPRINTF(sc, UPGT_DEBUG_FW, 1168191983Sweongyo "EEPROM freq5 len=%d\n", option_len); 1169191983Sweongyo break; 1170191983Sweongyo case UPGT_EEPROM_TYPE_FREQ6: 1171191983Sweongyo DPRINTF(sc, UPGT_DEBUG_FW, 1172191983Sweongyo "EEPROM freq6 len=%d\n", option_len); 1173191983Sweongyo 1174191983Sweongyo upgt_eeprom_parse_freq6(sc, eeprom_option->data, 1175191983Sweongyo option_len); 1176191983Sweongyo break; 1177191983Sweongyo case UPGT_EEPROM_TYPE_END: 1178191983Sweongyo DPRINTF(sc, UPGT_DEBUG_FW, 1179191983Sweongyo "EEPROM end len=%d\n", option_len); 1180191983Sweongyo option_end = 1; 1181191983Sweongyo break; 1182191983Sweongyo case UPGT_EEPROM_TYPE_OFF: 1183191983Sweongyo DPRINTF(sc, UPGT_DEBUG_FW, 1184199816Sthompsa "%s: EEPROM off without end option\n", __func__); 1185191983Sweongyo return (EIO); 1186191983Sweongyo default: 1187191983Sweongyo DPRINTF(sc, UPGT_DEBUG_FW, 1188191983Sweongyo "EEPROM unknown type 0x%04x len=%d\n", 1189191983Sweongyo option_type, option_len); 1190191983Sweongyo break; 1191191983Sweongyo } 1192191983Sweongyo 1193191983Sweongyo /* jump to next EEPROM option */ 1194191983Sweongyo eeprom_option = (struct upgt_eeprom_option *) 1195191983Sweongyo (eeprom_option->data + option_len); 1196191983Sweongyo } 1197191983Sweongyo 1198191983Sweongyo return (0); 1199191983Sweongyo} 1200191983Sweongyo 1201191983Sweongyostatic void 1202191983Sweongyoupgt_eeprom_parse_freq3(struct upgt_softc *sc, uint8_t *data, int len) 1203191983Sweongyo{ 1204191983Sweongyo struct upgt_eeprom_freq3_header *freq3_header; 1205191983Sweongyo struct upgt_lmac_freq3 *freq3; 1206191983Sweongyo int i, elements, flags; 1207191983Sweongyo unsigned channel; 1208191983Sweongyo 1209191983Sweongyo freq3_header = (struct upgt_eeprom_freq3_header *)data; 1210191983Sweongyo freq3 = (struct upgt_lmac_freq3 *)(freq3_header + 1); 1211191983Sweongyo 1212191983Sweongyo flags = freq3_header->flags; 1213191983Sweongyo elements = freq3_header->elements; 1214191983Sweongyo 1215191983Sweongyo DPRINTF(sc, UPGT_DEBUG_FW, "flags=0x%02x elements=%d\n", 1216191983Sweongyo flags, elements); 1217191983Sweongyo 1218191983Sweongyo for (i = 0; i < elements; i++) { 1219191983Sweongyo channel = ieee80211_mhz2ieee(le16toh(freq3[i].freq), 0); 1220191983Sweongyo if (!(channel >= 0 && channel < IEEE80211_CHAN_MAX)) 1221191983Sweongyo continue; 1222191983Sweongyo 1223191983Sweongyo sc->sc_eeprom_freq3[channel] = freq3[i]; 1224191983Sweongyo 1225191983Sweongyo DPRINTF(sc, UPGT_DEBUG_FW, "frequence=%d, channel=%d\n", 1226191983Sweongyo le16toh(sc->sc_eeprom_freq3[channel].freq), channel); 1227191983Sweongyo } 1228191983Sweongyo} 1229191983Sweongyo 1230191983Sweongyovoid 1231191983Sweongyoupgt_eeprom_parse_freq4(struct upgt_softc *sc, uint8_t *data, int len) 1232191983Sweongyo{ 1233191983Sweongyo struct upgt_eeprom_freq4_header *freq4_header; 1234191983Sweongyo struct upgt_eeprom_freq4_1 *freq4_1; 1235191983Sweongyo struct upgt_eeprom_freq4_2 *freq4_2; 1236191983Sweongyo int i, j, elements, settings, flags; 1237191983Sweongyo unsigned channel; 1238191983Sweongyo 1239191983Sweongyo freq4_header = (struct upgt_eeprom_freq4_header *)data; 1240191983Sweongyo freq4_1 = (struct upgt_eeprom_freq4_1 *)(freq4_header + 1); 1241191983Sweongyo flags = freq4_header->flags; 1242191983Sweongyo elements = freq4_header->elements; 1243191983Sweongyo settings = freq4_header->settings; 1244191983Sweongyo 1245191983Sweongyo /* we need this value later */ 1246191983Sweongyo sc->sc_eeprom_freq6_settings = freq4_header->settings; 1247191983Sweongyo 1248191983Sweongyo DPRINTF(sc, UPGT_DEBUG_FW, "flags=0x%02x elements=%d settings=%d\n", 1249191983Sweongyo flags, elements, settings); 1250191983Sweongyo 1251191983Sweongyo for (i = 0; i < elements; i++) { 1252191983Sweongyo channel = ieee80211_mhz2ieee(le16toh(freq4_1[i].freq), 0); 1253191983Sweongyo if (!(channel >= 0 && channel < IEEE80211_CHAN_MAX)) 1254191983Sweongyo continue; 1255191983Sweongyo 1256191983Sweongyo freq4_2 = (struct upgt_eeprom_freq4_2 *)freq4_1[i].data; 1257191983Sweongyo for (j = 0; j < settings; j++) { 1258191983Sweongyo sc->sc_eeprom_freq4[channel][j].cmd = freq4_2[j]; 1259191983Sweongyo sc->sc_eeprom_freq4[channel][j].pad = 0; 1260191983Sweongyo } 1261191983Sweongyo 1262191983Sweongyo DPRINTF(sc, UPGT_DEBUG_FW, "frequence=%d, channel=%d\n", 1263191983Sweongyo le16toh(freq4_1[i].freq), channel); 1264191983Sweongyo } 1265191983Sweongyo} 1266191983Sweongyo 1267191983Sweongyovoid 1268191983Sweongyoupgt_eeprom_parse_freq6(struct upgt_softc *sc, uint8_t *data, int len) 1269191983Sweongyo{ 1270191983Sweongyo struct upgt_lmac_freq6 *freq6; 1271191983Sweongyo int i, elements; 1272191983Sweongyo unsigned channel; 1273191983Sweongyo 1274191983Sweongyo freq6 = (struct upgt_lmac_freq6 *)data; 1275191983Sweongyo elements = len / sizeof(struct upgt_lmac_freq6); 1276191983Sweongyo 1277191983Sweongyo DPRINTF(sc, UPGT_DEBUG_FW, "elements=%d\n", elements); 1278191983Sweongyo 1279191983Sweongyo for (i = 0; i < elements; i++) { 1280191983Sweongyo channel = ieee80211_mhz2ieee(le16toh(freq6[i].freq), 0); 1281191983Sweongyo if (!(channel >= 0 && channel < IEEE80211_CHAN_MAX)) 1282191983Sweongyo continue; 1283191983Sweongyo 1284191983Sweongyo sc->sc_eeprom_freq6[channel] = freq6[i]; 1285191983Sweongyo 1286191983Sweongyo DPRINTF(sc, UPGT_DEBUG_FW, "frequence=%d, channel=%d\n", 1287191983Sweongyo le16toh(sc->sc_eeprom_freq6[channel].freq), channel); 1288191983Sweongyo } 1289191983Sweongyo} 1290191983Sweongyo 1291191983Sweongyostatic void 1292191983Sweongyoupgt_eeprom_parse_hwrx(struct upgt_softc *sc, uint8_t *data) 1293191983Sweongyo{ 1294191983Sweongyo struct upgt_eeprom_option_hwrx *option_hwrx; 1295191983Sweongyo 1296191983Sweongyo option_hwrx = (struct upgt_eeprom_option_hwrx *)data; 1297191983Sweongyo 1298191983Sweongyo sc->sc_eeprom_hwrx = option_hwrx->rxfilter - UPGT_EEPROM_RX_CONST; 1299191983Sweongyo 1300191983Sweongyo DPRINTF(sc, UPGT_DEBUG_FW, "hwrx option value=0x%04x\n", 1301191983Sweongyo sc->sc_eeprom_hwrx); 1302191983Sweongyo} 1303191983Sweongyo 1304191983Sweongyostatic int 1305191983Sweongyoupgt_eeprom_read(struct upgt_softc *sc) 1306191983Sweongyo{ 1307191983Sweongyo struct upgt_data *data_cmd; 1308191983Sweongyo struct upgt_lmac_mem *mem; 1309191983Sweongyo struct upgt_lmac_eeprom *eeprom; 1310191983Sweongyo int block, error, offset; 1311191983Sweongyo 1312191983Sweongyo UPGT_LOCK(sc); 1313194228Sthompsa usb_pause_mtx(&sc->sc_mtx, 100); 1314191983Sweongyo 1315191983Sweongyo offset = 0; 1316191983Sweongyo block = UPGT_EEPROM_BLOCK_SIZE; 1317191983Sweongyo while (offset < UPGT_EEPROM_SIZE) { 1318191983Sweongyo DPRINTF(sc, UPGT_DEBUG_FW, 1319191983Sweongyo "request EEPROM block (offset=%d, len=%d)\n", offset, block); 1320191983Sweongyo 1321191983Sweongyo data_cmd = upgt_getbuf(sc); 1322191983Sweongyo if (data_cmd == NULL) { 1323191983Sweongyo UPGT_UNLOCK(sc); 1324191983Sweongyo return (ENOBUFS); 1325191983Sweongyo } 1326191983Sweongyo 1327191983Sweongyo /* 1328191983Sweongyo * Transmit the URB containing the CMD data. 1329191983Sweongyo */ 1330191983Sweongyo bzero(data_cmd->buf, MCLBYTES); 1331191983Sweongyo 1332191983Sweongyo mem = (struct upgt_lmac_mem *)data_cmd->buf; 1333191983Sweongyo mem->addr = htole32(sc->sc_memaddr_frame_start + 1334191983Sweongyo UPGT_MEMSIZE_FRAME_HEAD); 1335191983Sweongyo 1336191983Sweongyo eeprom = (struct upgt_lmac_eeprom *)(mem + 1); 1337191983Sweongyo eeprom->header1.flags = 0; 1338191983Sweongyo eeprom->header1.type = UPGT_H1_TYPE_CTRL; 1339191983Sweongyo eeprom->header1.len = htole16(( 1340191983Sweongyo sizeof(struct upgt_lmac_eeprom) - 1341191983Sweongyo sizeof(struct upgt_lmac_header)) + block); 1342191983Sweongyo 1343191983Sweongyo eeprom->header2.reqid = htole32(sc->sc_memaddr_frame_start); 1344191983Sweongyo eeprom->header2.type = htole16(UPGT_H2_TYPE_EEPROM); 1345191983Sweongyo eeprom->header2.flags = 0; 1346191983Sweongyo 1347191983Sweongyo eeprom->offset = htole16(offset); 1348191983Sweongyo eeprom->len = htole16(block); 1349191983Sweongyo 1350191983Sweongyo data_cmd->buflen = sizeof(*mem) + sizeof(*eeprom) + block; 1351191983Sweongyo 1352191983Sweongyo mem->chksum = upgt_chksum_le((uint32_t *)eeprom, 1353191983Sweongyo data_cmd->buflen - sizeof(*mem)); 1354191983Sweongyo upgt_bulk_tx(sc, data_cmd); 1355191983Sweongyo 1356191983Sweongyo error = mtx_sleep(sc, &sc->sc_mtx, 0, "eeprom_request", hz); 1357191983Sweongyo if (error != 0) { 1358191983Sweongyo device_printf(sc->sc_dev, 1359199816Sthompsa "timeout while waiting for EEPROM data\n"); 1360191983Sweongyo UPGT_UNLOCK(sc); 1361191983Sweongyo return (EIO); 1362191983Sweongyo } 1363191983Sweongyo 1364191983Sweongyo offset += block; 1365191983Sweongyo if (UPGT_EEPROM_SIZE - offset < block) 1366191983Sweongyo block = UPGT_EEPROM_SIZE - offset; 1367191983Sweongyo } 1368191983Sweongyo 1369191983Sweongyo UPGT_UNLOCK(sc); 1370191983Sweongyo return (0); 1371191983Sweongyo} 1372191983Sweongyo 1373191983Sweongyo/* 1374191983Sweongyo * When a rx data came in the function returns a mbuf and a rssi values. 1375191983Sweongyo */ 1376191983Sweongyostatic struct mbuf * 1377192984Sthompsaupgt_rxeof(struct usb_xfer *xfer, struct upgt_data *data, int *rssi) 1378191983Sweongyo{ 1379191983Sweongyo struct mbuf *m = NULL; 1380194677Sthompsa struct upgt_softc *sc = usbd_xfer_softc(xfer); 1381191983Sweongyo struct upgt_lmac_header *header; 1382191983Sweongyo struct upgt_lmac_eeprom *eeprom; 1383191983Sweongyo uint8_t h1_type; 1384191983Sweongyo uint16_t h2_type; 1385194677Sthompsa int actlen, sumlen; 1386191983Sweongyo 1387194677Sthompsa usbd_xfer_status(xfer, &actlen, &sumlen, NULL, NULL); 1388194677Sthompsa 1389191983Sweongyo UPGT_ASSERT_LOCKED(sc); 1390191983Sweongyo 1391194677Sthompsa if (actlen < 1) 1392191983Sweongyo return (NULL); 1393191983Sweongyo 1394191983Sweongyo /* Check only at the very beginning. */ 1395191983Sweongyo if (!(sc->sc_flags & UPGT_FLAG_FWLOADED) && 1396191983Sweongyo (memcmp(data->buf, "OK", 2) == 0)) { 1397191983Sweongyo sc->sc_flags |= UPGT_FLAG_FWLOADED; 1398191983Sweongyo wakeup_one(sc); 1399191983Sweongyo return (NULL); 1400191983Sweongyo } 1401191983Sweongyo 1402194677Sthompsa if (actlen < UPGT_RX_MINSZ) 1403191983Sweongyo return (NULL); 1404191983Sweongyo 1405191983Sweongyo /* 1406191983Sweongyo * Check what type of frame came in. 1407191983Sweongyo */ 1408191983Sweongyo header = (struct upgt_lmac_header *)(data->buf + 4); 1409191983Sweongyo 1410191983Sweongyo h1_type = header->header1.type; 1411191983Sweongyo h2_type = le16toh(header->header2.type); 1412191983Sweongyo 1413191983Sweongyo if (h1_type == UPGT_H1_TYPE_CTRL && h2_type == UPGT_H2_TYPE_EEPROM) { 1414191983Sweongyo eeprom = (struct upgt_lmac_eeprom *)(data->buf + 4); 1415191983Sweongyo uint16_t eeprom_offset = le16toh(eeprom->offset); 1416191983Sweongyo uint16_t eeprom_len = le16toh(eeprom->len); 1417191983Sweongyo 1418191983Sweongyo DPRINTF(sc, UPGT_DEBUG_FW, 1419191983Sweongyo "received EEPROM block (offset=%d, len=%d)\n", 1420191983Sweongyo eeprom_offset, eeprom_len); 1421191983Sweongyo 1422191983Sweongyo bcopy(data->buf + sizeof(struct upgt_lmac_eeprom) + 4, 1423191983Sweongyo sc->sc_eeprom + eeprom_offset, eeprom_len); 1424191983Sweongyo 1425191983Sweongyo /* EEPROM data has arrived in time, wakeup. */ 1426191983Sweongyo wakeup(sc); 1427191983Sweongyo } else if (h1_type == UPGT_H1_TYPE_CTRL && 1428191983Sweongyo h2_type == UPGT_H2_TYPE_TX_DONE) { 1429191983Sweongyo DPRINTF(sc, UPGT_DEBUG_XMIT, "%s: received 802.11 TX done\n", 1430191983Sweongyo __func__); 1431191983Sweongyo upgt_tx_done(sc, data->buf + 4); 1432191983Sweongyo } else if (h1_type == UPGT_H1_TYPE_RX_DATA || 1433191983Sweongyo h1_type == UPGT_H1_TYPE_RX_DATA_MGMT) { 1434191983Sweongyo DPRINTF(sc, UPGT_DEBUG_RECV, "%s: received 802.11 RX data\n", 1435191983Sweongyo __func__); 1436191983Sweongyo m = upgt_rx(sc, data->buf + 4, le16toh(header->header1.len), 1437191983Sweongyo rssi); 1438191983Sweongyo } else if (h1_type == UPGT_H1_TYPE_CTRL && 1439191983Sweongyo h2_type == UPGT_H2_TYPE_STATS) { 1440191983Sweongyo DPRINTF(sc, UPGT_DEBUG_STAT, "%s: received statistic data\n", 1441191983Sweongyo __func__); 1442191983Sweongyo /* TODO: what could we do with the statistic data? */ 1443191983Sweongyo } else { 1444191983Sweongyo /* ignore unknown frame types */ 1445191983Sweongyo DPRINTF(sc, UPGT_DEBUG_INTR, 1446191983Sweongyo "received unknown frame type 0x%02x\n", 1447191983Sweongyo header->header1.type); 1448191983Sweongyo } 1449191983Sweongyo return (m); 1450191983Sweongyo} 1451191983Sweongyo 1452191983Sweongyo/* 1453191983Sweongyo * The firmware awaits a checksum for each frame we send to it. 1454191983Sweongyo * The algorithm used therefor is uncommon but somehow similar to CRC32. 1455191983Sweongyo */ 1456191983Sweongyostatic uint32_t 1457191983Sweongyoupgt_chksum_le(const uint32_t *buf, size_t size) 1458191983Sweongyo{ 1459191983Sweongyo int i; 1460191983Sweongyo uint32_t crc = 0; 1461191983Sweongyo 1462191983Sweongyo for (i = 0; i < size; i += sizeof(uint32_t)) { 1463191983Sweongyo crc = htole32(crc ^ *buf++); 1464191983Sweongyo crc = htole32((crc >> 5) ^ (crc << 3)); 1465191983Sweongyo } 1466191983Sweongyo 1467191983Sweongyo return (crc); 1468191983Sweongyo} 1469191983Sweongyo 1470191983Sweongyostatic struct mbuf * 1471191983Sweongyoupgt_rx(struct upgt_softc *sc, uint8_t *data, int pkglen, int *rssi) 1472191983Sweongyo{ 1473191983Sweongyo struct ifnet *ifp = sc->sc_ifp; 1474191983Sweongyo struct ieee80211com *ic = ifp->if_l2com; 1475191983Sweongyo struct upgt_lmac_rx_desc *rxdesc; 1476191983Sweongyo struct mbuf *m; 1477191983Sweongyo 1478191983Sweongyo /* 1479191983Sweongyo * don't pass packets to the ieee80211 framework if the driver isn't 1480191983Sweongyo * RUNNING. 1481191983Sweongyo */ 1482191983Sweongyo if (!(ifp->if_drv_flags & IFF_DRV_RUNNING)) 1483191983Sweongyo return (NULL); 1484191983Sweongyo 1485191983Sweongyo /* access RX packet descriptor */ 1486191983Sweongyo rxdesc = (struct upgt_lmac_rx_desc *)data; 1487191983Sweongyo 1488191983Sweongyo /* create mbuf which is suitable for strict alignment archs */ 1489191983Sweongyo KASSERT((pkglen + ETHER_ALIGN) < MCLBYTES, 1490191983Sweongyo ("A current mbuf storage is small (%d)", pkglen + ETHER_ALIGN)); 1491191983Sweongyo m = m_getcl(M_DONTWAIT, MT_DATA, M_PKTHDR); 1492191983Sweongyo if (m == NULL) { 1493199816Sthompsa device_printf(sc->sc_dev, "could not create RX mbuf\n"); 1494191983Sweongyo return (NULL); 1495191983Sweongyo } 1496191983Sweongyo m_adj(m, ETHER_ALIGN); 1497191983Sweongyo bcopy(rxdesc->data, mtod(m, char *), pkglen); 1498191983Sweongyo /* trim FCS */ 1499191983Sweongyo m->m_len = m->m_pkthdr.len = pkglen - IEEE80211_CRC_LEN; 1500191983Sweongyo m->m_pkthdr.rcvif = ifp; 1501191983Sweongyo 1502192468Ssam if (ieee80211_radiotap_active(ic)) { 1503191983Sweongyo struct upgt_rx_radiotap_header *tap = &sc->sc_rxtap; 1504191983Sweongyo 1505191983Sweongyo tap->wr_flags = 0; 1506191983Sweongyo tap->wr_rate = upgt_rx_rate(sc, rxdesc->rate); 1507191983Sweongyo tap->wr_antsignal = rxdesc->rssi; 1508191983Sweongyo } 1509191983Sweongyo ifp->if_ipackets++; 1510191983Sweongyo 1511191983Sweongyo DPRINTF(sc, UPGT_DEBUG_RX_PROC, "%s: RX done\n", __func__); 1512191983Sweongyo *rssi = rxdesc->rssi; 1513191983Sweongyo return (m); 1514191983Sweongyo} 1515191983Sweongyo 1516191983Sweongyostatic uint8_t 1517191983Sweongyoupgt_rx_rate(struct upgt_softc *sc, const int rate) 1518191983Sweongyo{ 1519191983Sweongyo struct ifnet *ifp = sc->sc_ifp; 1520191983Sweongyo struct ieee80211com *ic = ifp->if_l2com; 1521191983Sweongyo static const uint8_t cck_upgt2rate[4] = { 2, 4, 11, 22 }; 1522191983Sweongyo static const uint8_t ofdm_upgt2rate[12] = 1523191983Sweongyo { 2, 4, 11, 22, 12, 18, 24, 36, 48, 72, 96, 108 }; 1524191983Sweongyo 1525191983Sweongyo if (ic->ic_curmode == IEEE80211_MODE_11B && 1526191983Sweongyo !(rate < 0 || rate > 3)) 1527191983Sweongyo return cck_upgt2rate[rate & 0xf]; 1528191983Sweongyo 1529191983Sweongyo if (ic->ic_curmode == IEEE80211_MODE_11G && 1530191983Sweongyo !(rate < 0 || rate > 11)) 1531191983Sweongyo return ofdm_upgt2rate[rate & 0xf]; 1532191983Sweongyo 1533191983Sweongyo return (0); 1534191983Sweongyo} 1535191983Sweongyo 1536191983Sweongyostatic void 1537191983Sweongyoupgt_tx_done(struct upgt_softc *sc, uint8_t *data) 1538191983Sweongyo{ 1539191983Sweongyo struct ifnet *ifp = sc->sc_ifp; 1540191983Sweongyo struct upgt_lmac_tx_done_desc *desc; 1541191983Sweongyo int i, freed = 0; 1542191983Sweongyo 1543191983Sweongyo UPGT_ASSERT_LOCKED(sc); 1544191983Sweongyo 1545191983Sweongyo desc = (struct upgt_lmac_tx_done_desc *)data; 1546191983Sweongyo 1547191983Sweongyo for (i = 0; i < UPGT_TX_MAXCOUNT; i++) { 1548191983Sweongyo struct upgt_data *data_tx = &sc->sc_tx_data[i]; 1549191983Sweongyo 1550191983Sweongyo if (data_tx->addr == le32toh(desc->header2.reqid)) { 1551191983Sweongyo upgt_mem_free(sc, data_tx->addr); 1552191983Sweongyo data_tx->ni = NULL; 1553191983Sweongyo data_tx->addr = 0; 1554191983Sweongyo data_tx->m = NULL; 1555191983Sweongyo data_tx->use = 0; 1556191983Sweongyo 1557191983Sweongyo DPRINTF(sc, UPGT_DEBUG_TX_PROC, 1558191983Sweongyo "TX done: memaddr=0x%08x, status=0x%04x, rssi=%d, ", 1559191983Sweongyo le32toh(desc->header2.reqid), 1560191983Sweongyo le16toh(desc->status), le16toh(desc->rssi)); 1561191983Sweongyo DPRINTF(sc, UPGT_DEBUG_TX_PROC, "seq=%d\n", 1562191983Sweongyo le16toh(desc->seq)); 1563191983Sweongyo 1564191983Sweongyo freed++; 1565191983Sweongyo } 1566191983Sweongyo } 1567191983Sweongyo 1568191983Sweongyo if (freed != 0) { 1569191983Sweongyo sc->sc_tx_timer = 0; 1570191983Sweongyo ifp->if_drv_flags &= ~IFF_DRV_OACTIVE; 1571191983Sweongyo UPGT_UNLOCK(sc); 1572191983Sweongyo upgt_start(ifp); 1573191983Sweongyo UPGT_LOCK(sc); 1574191983Sweongyo } 1575191983Sweongyo} 1576191983Sweongyo 1577191983Sweongyostatic void 1578191983Sweongyoupgt_mem_free(struct upgt_softc *sc, uint32_t addr) 1579191983Sweongyo{ 1580191983Sweongyo int i; 1581191983Sweongyo 1582191983Sweongyo for (i = 0; i < sc->sc_memory.pages; i++) { 1583191983Sweongyo if (sc->sc_memory.page[i].addr == addr) { 1584191983Sweongyo sc->sc_memory.page[i].used = 0; 1585191983Sweongyo return; 1586191983Sweongyo } 1587191983Sweongyo } 1588191983Sweongyo 1589191983Sweongyo device_printf(sc->sc_dev, 1590199816Sthompsa "could not free memory address 0x%08x\n", addr); 1591191983Sweongyo} 1592191983Sweongyo 1593191983Sweongyostatic int 1594191983Sweongyoupgt_fw_load(struct upgt_softc *sc) 1595191983Sweongyo{ 1596191983Sweongyo const struct firmware *fw; 1597191983Sweongyo struct upgt_data *data_cmd; 1598191983Sweongyo struct upgt_fw_x2_header *x2; 1599191983Sweongyo char start_fwload_cmd[] = { 0x3c, 0x0d }; 1600191983Sweongyo int error = 0, offset, bsize, n; 1601191983Sweongyo uint32_t crc32; 1602191983Sweongyo 1603191983Sweongyo fw = firmware_get(upgt_fwname); 1604191983Sweongyo if (fw == NULL) { 1605199816Sthompsa device_printf(sc->sc_dev, "could not read microcode %s\n", 1606191983Sweongyo upgt_fwname); 1607191983Sweongyo return (EIO); 1608191983Sweongyo } 1609191983Sweongyo 1610191983Sweongyo UPGT_LOCK(sc); 1611191983Sweongyo 1612191983Sweongyo /* send firmware start load command */ 1613191983Sweongyo data_cmd = upgt_getbuf(sc); 1614191983Sweongyo if (data_cmd == NULL) { 1615191983Sweongyo error = ENOBUFS; 1616191983Sweongyo goto fail; 1617191983Sweongyo } 1618191983Sweongyo data_cmd->buflen = sizeof(start_fwload_cmd); 1619191983Sweongyo bcopy(start_fwload_cmd, data_cmd->buf, data_cmd->buflen); 1620191983Sweongyo upgt_bulk_tx(sc, data_cmd); 1621191983Sweongyo 1622191983Sweongyo /* send X2 header */ 1623191983Sweongyo data_cmd = upgt_getbuf(sc); 1624191983Sweongyo if (data_cmd == NULL) { 1625191983Sweongyo error = ENOBUFS; 1626191983Sweongyo goto fail; 1627191983Sweongyo } 1628191983Sweongyo data_cmd->buflen = sizeof(struct upgt_fw_x2_header); 1629191983Sweongyo x2 = (struct upgt_fw_x2_header *)data_cmd->buf; 1630191983Sweongyo bcopy(UPGT_X2_SIGNATURE, x2->signature, UPGT_X2_SIGNATURE_SIZE); 1631191983Sweongyo x2->startaddr = htole32(UPGT_MEMADDR_FIRMWARE_START); 1632191983Sweongyo x2->len = htole32(fw->datasize); 1633191983Sweongyo x2->crc = upgt_crc32_le((uint8_t *)data_cmd->buf + 1634191983Sweongyo UPGT_X2_SIGNATURE_SIZE, 1635191983Sweongyo sizeof(struct upgt_fw_x2_header) - UPGT_X2_SIGNATURE_SIZE - 1636191983Sweongyo sizeof(uint32_t)); 1637191983Sweongyo upgt_bulk_tx(sc, data_cmd); 1638191983Sweongyo 1639191983Sweongyo /* download firmware */ 1640191983Sweongyo for (offset = 0; offset < fw->datasize; offset += bsize) { 1641191983Sweongyo if (fw->datasize - offset > UPGT_FW_BLOCK_SIZE) 1642191983Sweongyo bsize = UPGT_FW_BLOCK_SIZE; 1643191983Sweongyo else 1644191983Sweongyo bsize = fw->datasize - offset; 1645191983Sweongyo 1646191983Sweongyo data_cmd = upgt_getbuf(sc); 1647191983Sweongyo if (data_cmd == NULL) { 1648191983Sweongyo error = ENOBUFS; 1649191983Sweongyo goto fail; 1650191983Sweongyo } 1651191983Sweongyo n = upgt_fw_copy((const uint8_t *)fw->data + offset, 1652191983Sweongyo data_cmd->buf, bsize); 1653191983Sweongyo data_cmd->buflen = bsize; 1654191983Sweongyo upgt_bulk_tx(sc, data_cmd); 1655191983Sweongyo 1656191983Sweongyo DPRINTF(sc, UPGT_DEBUG_FW, "FW offset=%d, read=%d, sent=%d\n", 1657191983Sweongyo offset, n, bsize); 1658191983Sweongyo bsize = n; 1659191983Sweongyo } 1660191983Sweongyo DPRINTF(sc, UPGT_DEBUG_FW, "%s: firmware downloaded\n", __func__); 1661191983Sweongyo 1662191983Sweongyo /* load firmware */ 1663191983Sweongyo data_cmd = upgt_getbuf(sc); 1664191983Sweongyo if (data_cmd == NULL) { 1665191983Sweongyo error = ENOBUFS; 1666191983Sweongyo goto fail; 1667191983Sweongyo } 1668191983Sweongyo crc32 = upgt_crc32_le(fw->data, fw->datasize); 1669191983Sweongyo *((uint32_t *)(data_cmd->buf) ) = crc32; 1670191983Sweongyo *((uint8_t *)(data_cmd->buf) + 4) = 'g'; 1671191983Sweongyo *((uint8_t *)(data_cmd->buf) + 5) = '\r'; 1672191983Sweongyo data_cmd->buflen = 6; 1673191983Sweongyo upgt_bulk_tx(sc, data_cmd); 1674191983Sweongyo 1675191983Sweongyo /* waiting 'OK' response. */ 1676194228Sthompsa usbd_transfer_start(sc->sc_xfer[UPGT_BULK_RX]); 1677191983Sweongyo error = mtx_sleep(sc, &sc->sc_mtx, 0, "upgtfw", 2 * hz); 1678191983Sweongyo if (error != 0) { 1679199816Sthompsa device_printf(sc->sc_dev, "firmware load failed\n"); 1680191983Sweongyo error = EIO; 1681191983Sweongyo } 1682191983Sweongyo 1683191983Sweongyo DPRINTF(sc, UPGT_DEBUG_FW, "%s: firmware loaded\n", __func__); 1684191983Sweongyofail: 1685191983Sweongyo UPGT_UNLOCK(sc); 1686191983Sweongyo firmware_put(fw, FIRMWARE_UNLOAD); 1687191983Sweongyo return (error); 1688191983Sweongyo} 1689191983Sweongyo 1690191983Sweongyostatic uint32_t 1691191983Sweongyoupgt_crc32_le(const void *buf, size_t size) 1692191983Sweongyo{ 1693191983Sweongyo uint32_t crc; 1694191983Sweongyo 1695191983Sweongyo crc = ether_crc32_le(buf, size); 1696191983Sweongyo 1697191983Sweongyo /* apply final XOR value as common for CRC-32 */ 1698191983Sweongyo crc = htole32(crc ^ 0xffffffffU); 1699191983Sweongyo 1700191983Sweongyo return (crc); 1701191983Sweongyo} 1702191983Sweongyo 1703191983Sweongyo/* 1704191983Sweongyo * While copying the version 2 firmware, we need to replace two characters: 1705191983Sweongyo * 1706191983Sweongyo * 0x7e -> 0x7d 0x5e 1707191983Sweongyo * 0x7d -> 0x7d 0x5d 1708191983Sweongyo */ 1709191983Sweongyostatic int 1710191983Sweongyoupgt_fw_copy(const uint8_t *src, char *dst, int size) 1711191983Sweongyo{ 1712191983Sweongyo int i, j; 1713191983Sweongyo 1714191983Sweongyo for (i = 0, j = 0; i < size && j < size; i++) { 1715191983Sweongyo switch (src[i]) { 1716191983Sweongyo case 0x7e: 1717191983Sweongyo dst[j] = 0x7d; 1718191983Sweongyo j++; 1719191983Sweongyo dst[j] = 0x5e; 1720191983Sweongyo j++; 1721191983Sweongyo break; 1722191983Sweongyo case 0x7d: 1723191983Sweongyo dst[j] = 0x7d; 1724191983Sweongyo j++; 1725191983Sweongyo dst[j] = 0x5d; 1726191983Sweongyo j++; 1727191983Sweongyo break; 1728191983Sweongyo default: 1729191983Sweongyo dst[j] = src[i]; 1730191983Sweongyo j++; 1731191983Sweongyo break; 1732191983Sweongyo } 1733191983Sweongyo } 1734191983Sweongyo 1735191983Sweongyo return (i); 1736191983Sweongyo} 1737191983Sweongyo 1738191983Sweongyostatic int 1739191983Sweongyoupgt_mem_init(struct upgt_softc *sc) 1740191983Sweongyo{ 1741191983Sweongyo int i; 1742191983Sweongyo 1743191983Sweongyo for (i = 0; i < UPGT_MEMORY_MAX_PAGES; i++) { 1744191983Sweongyo sc->sc_memory.page[i].used = 0; 1745191983Sweongyo 1746191983Sweongyo if (i == 0) { 1747191983Sweongyo /* 1748191983Sweongyo * The first memory page is always reserved for 1749191983Sweongyo * command data. 1750191983Sweongyo */ 1751191983Sweongyo sc->sc_memory.page[i].addr = 1752191983Sweongyo sc->sc_memaddr_frame_start + MCLBYTES; 1753191983Sweongyo } else { 1754191983Sweongyo sc->sc_memory.page[i].addr = 1755191983Sweongyo sc->sc_memory.page[i - 1].addr + MCLBYTES; 1756191983Sweongyo } 1757191983Sweongyo 1758191983Sweongyo if (sc->sc_memory.page[i].addr + MCLBYTES >= 1759191983Sweongyo sc->sc_memaddr_frame_end) 1760191983Sweongyo break; 1761191983Sweongyo 1762191983Sweongyo DPRINTF(sc, UPGT_DEBUG_FW, "memory address page %d=0x%08x\n", 1763191983Sweongyo i, sc->sc_memory.page[i].addr); 1764191983Sweongyo } 1765191983Sweongyo 1766191983Sweongyo sc->sc_memory.pages = i; 1767191983Sweongyo 1768191983Sweongyo DPRINTF(sc, UPGT_DEBUG_FW, "memory pages=%d\n", sc->sc_memory.pages); 1769191983Sweongyo return (0); 1770191983Sweongyo} 1771191983Sweongyo 1772191983Sweongyostatic int 1773191983Sweongyoupgt_fw_verify(struct upgt_softc *sc) 1774191983Sweongyo{ 1775191983Sweongyo const struct firmware *fw; 1776191983Sweongyo const struct upgt_fw_bra_option *bra_opt; 1777191983Sweongyo const struct upgt_fw_bra_descr *descr; 1778191983Sweongyo const uint8_t *p; 1779191983Sweongyo const uint32_t *uc; 1780191983Sweongyo uint32_t bra_option_type, bra_option_len; 1781191983Sweongyo int offset, bra_end = 0, error = 0; 1782191983Sweongyo 1783191983Sweongyo fw = firmware_get(upgt_fwname); 1784191983Sweongyo if (fw == NULL) { 1785199816Sthompsa device_printf(sc->sc_dev, "could not read microcode %s\n", 1786191983Sweongyo upgt_fwname); 1787191983Sweongyo return EIO; 1788191983Sweongyo } 1789191983Sweongyo 1790191983Sweongyo /* 1791191983Sweongyo * Seek to beginning of Boot Record Area (BRA). 1792191983Sweongyo */ 1793191983Sweongyo for (offset = 0; offset < fw->datasize; offset += sizeof(*uc)) { 1794191983Sweongyo uc = (const uint32_t *)((const uint8_t *)fw->data + offset); 1795191983Sweongyo if (*uc == 0) 1796191983Sweongyo break; 1797191983Sweongyo } 1798191983Sweongyo for (; offset < fw->datasize; offset += sizeof(*uc)) { 1799191983Sweongyo uc = (const uint32_t *)((const uint8_t *)fw->data + offset); 1800191983Sweongyo if (*uc != 0) 1801191983Sweongyo break; 1802191983Sweongyo } 1803191983Sweongyo if (offset == fw->datasize) { 1804191983Sweongyo device_printf(sc->sc_dev, 1805199816Sthompsa "firmware Boot Record Area not found\n"); 1806191983Sweongyo error = EIO; 1807191983Sweongyo goto fail; 1808191983Sweongyo } 1809191983Sweongyo 1810191983Sweongyo DPRINTF(sc, UPGT_DEBUG_FW, 1811191983Sweongyo "firmware Boot Record Area found at offset %d\n", offset); 1812191983Sweongyo 1813191983Sweongyo /* 1814191983Sweongyo * Parse Boot Record Area (BRA) options. 1815191983Sweongyo */ 1816191983Sweongyo while (offset < fw->datasize && bra_end == 0) { 1817191983Sweongyo /* get current BRA option */ 1818191983Sweongyo p = (const uint8_t *)fw->data + offset; 1819191983Sweongyo bra_opt = (const struct upgt_fw_bra_option *)p; 1820191983Sweongyo bra_option_type = le32toh(bra_opt->type); 1821191983Sweongyo bra_option_len = le32toh(bra_opt->len) * sizeof(*uc); 1822191983Sweongyo 1823191983Sweongyo switch (bra_option_type) { 1824191983Sweongyo case UPGT_BRA_TYPE_FW: 1825191983Sweongyo DPRINTF(sc, UPGT_DEBUG_FW, "UPGT_BRA_TYPE_FW len=%d\n", 1826191983Sweongyo bra_option_len); 1827191983Sweongyo 1828191983Sweongyo if (bra_option_len != UPGT_BRA_FWTYPE_SIZE) { 1829191983Sweongyo device_printf(sc->sc_dev, 1830199816Sthompsa "wrong UPGT_BRA_TYPE_FW len\n"); 1831191983Sweongyo error = EIO; 1832191983Sweongyo goto fail; 1833191983Sweongyo } 1834191983Sweongyo if (memcmp(UPGT_BRA_FWTYPE_LM86, bra_opt->data, 1835191983Sweongyo bra_option_len) == 0) { 1836191983Sweongyo sc->sc_fw_type = UPGT_FWTYPE_LM86; 1837191983Sweongyo break; 1838191983Sweongyo } 1839191983Sweongyo if (memcmp(UPGT_BRA_FWTYPE_LM87, bra_opt->data, 1840191983Sweongyo bra_option_len) == 0) { 1841191983Sweongyo sc->sc_fw_type = UPGT_FWTYPE_LM87; 1842191983Sweongyo break; 1843191983Sweongyo } 1844191983Sweongyo device_printf(sc->sc_dev, 1845199816Sthompsa "unsupported firmware type\n"); 1846191983Sweongyo error = EIO; 1847191983Sweongyo goto fail; 1848191983Sweongyo case UPGT_BRA_TYPE_VERSION: 1849191983Sweongyo DPRINTF(sc, UPGT_DEBUG_FW, 1850191983Sweongyo "UPGT_BRA_TYPE_VERSION len=%d\n", bra_option_len); 1851191983Sweongyo break; 1852191983Sweongyo case UPGT_BRA_TYPE_DEPIF: 1853191983Sweongyo DPRINTF(sc, UPGT_DEBUG_FW, 1854191983Sweongyo "UPGT_BRA_TYPE_DEPIF len=%d\n", bra_option_len); 1855191983Sweongyo break; 1856191983Sweongyo case UPGT_BRA_TYPE_EXPIF: 1857191983Sweongyo DPRINTF(sc, UPGT_DEBUG_FW, 1858191983Sweongyo "UPGT_BRA_TYPE_EXPIF len=%d\n", bra_option_len); 1859191983Sweongyo break; 1860191983Sweongyo case UPGT_BRA_TYPE_DESCR: 1861191983Sweongyo DPRINTF(sc, UPGT_DEBUG_FW, 1862191983Sweongyo "UPGT_BRA_TYPE_DESCR len=%d\n", bra_option_len); 1863191983Sweongyo 1864191983Sweongyo descr = (const struct upgt_fw_bra_descr *)bra_opt->data; 1865191983Sweongyo 1866191983Sweongyo sc->sc_memaddr_frame_start = 1867191983Sweongyo le32toh(descr->memaddr_space_start); 1868191983Sweongyo sc->sc_memaddr_frame_end = 1869191983Sweongyo le32toh(descr->memaddr_space_end); 1870191983Sweongyo 1871191983Sweongyo DPRINTF(sc, UPGT_DEBUG_FW, 1872191983Sweongyo "memory address space start=0x%08x\n", 1873191983Sweongyo sc->sc_memaddr_frame_start); 1874191983Sweongyo DPRINTF(sc, UPGT_DEBUG_FW, 1875191983Sweongyo "memory address space end=0x%08x\n", 1876191983Sweongyo sc->sc_memaddr_frame_end); 1877191983Sweongyo break; 1878191983Sweongyo case UPGT_BRA_TYPE_END: 1879191983Sweongyo DPRINTF(sc, UPGT_DEBUG_FW, "UPGT_BRA_TYPE_END len=%d\n", 1880191983Sweongyo bra_option_len); 1881191983Sweongyo bra_end = 1; 1882191983Sweongyo break; 1883191983Sweongyo default: 1884191983Sweongyo DPRINTF(sc, UPGT_DEBUG_FW, "unknown BRA option len=%d\n", 1885191983Sweongyo bra_option_len); 1886191983Sweongyo error = EIO; 1887191983Sweongyo goto fail; 1888191983Sweongyo } 1889191983Sweongyo 1890191983Sweongyo /* jump to next BRA option */ 1891191983Sweongyo offset += sizeof(struct upgt_fw_bra_option) + bra_option_len; 1892191983Sweongyo } 1893191983Sweongyo 1894191983Sweongyo DPRINTF(sc, UPGT_DEBUG_FW, "%s: firmware verified", __func__); 1895191983Sweongyofail: 1896191983Sweongyo firmware_put(fw, FIRMWARE_UNLOAD); 1897191983Sweongyo return (error); 1898191983Sweongyo} 1899191983Sweongyo 1900191983Sweongyostatic void 1901191983Sweongyoupgt_bulk_tx(struct upgt_softc *sc, struct upgt_data *data) 1902191983Sweongyo{ 1903191983Sweongyo 1904191983Sweongyo UPGT_ASSERT_LOCKED(sc); 1905191983Sweongyo 1906191983Sweongyo STAILQ_INSERT_TAIL(&sc->sc_tx_pending, data, next); 1907191983Sweongyo UPGT_STAT_INC(sc, st_tx_pending); 1908194228Sthompsa usbd_transfer_start(sc->sc_xfer[UPGT_BULK_TX]); 1909191983Sweongyo} 1910191983Sweongyo 1911191983Sweongyostatic int 1912191983Sweongyoupgt_device_reset(struct upgt_softc *sc) 1913191983Sweongyo{ 1914191983Sweongyo struct upgt_data *data; 1915191983Sweongyo char init_cmd[] = { 0x7e, 0x7e, 0x7e, 0x7e }; 1916191983Sweongyo 1917191983Sweongyo UPGT_LOCK(sc); 1918191983Sweongyo 1919191983Sweongyo data = upgt_getbuf(sc); 1920191983Sweongyo if (data == NULL) { 1921191983Sweongyo UPGT_UNLOCK(sc); 1922191983Sweongyo return (ENOBUFS); 1923191983Sweongyo } 1924191983Sweongyo bcopy(init_cmd, data->buf, sizeof(init_cmd)); 1925191983Sweongyo data->buflen = sizeof(init_cmd); 1926191983Sweongyo upgt_bulk_tx(sc, data); 1927194228Sthompsa usb_pause_mtx(&sc->sc_mtx, 100); 1928191983Sweongyo 1929191983Sweongyo UPGT_UNLOCK(sc); 1930191983Sweongyo DPRINTF(sc, UPGT_DEBUG_FW, "%s: device initialized\n", __func__); 1931191983Sweongyo return (0); 1932191983Sweongyo} 1933191983Sweongyo 1934191983Sweongyostatic int 1935191983Sweongyoupgt_alloc_tx(struct upgt_softc *sc) 1936191983Sweongyo{ 1937191983Sweongyo int i; 1938191983Sweongyo 1939191983Sweongyo STAILQ_INIT(&sc->sc_tx_active); 1940191983Sweongyo STAILQ_INIT(&sc->sc_tx_inactive); 1941191983Sweongyo STAILQ_INIT(&sc->sc_tx_pending); 1942191983Sweongyo 1943191983Sweongyo for (i = 0; i < UPGT_TX_MAXCOUNT; i++) { 1944191983Sweongyo struct upgt_data *data = &sc->sc_tx_data[i]; 1945191983Sweongyo 1946191983Sweongyo data->buf = malloc(MCLBYTES, M_USBDEV, M_NOWAIT | M_ZERO); 1947191983Sweongyo if (data->buf == NULL) { 1948191983Sweongyo device_printf(sc->sc_dev, 1949199816Sthompsa "could not allocate TX buffer\n"); 1950191983Sweongyo return (ENOMEM); 1951191983Sweongyo } 1952191983Sweongyo STAILQ_INSERT_TAIL(&sc->sc_tx_inactive, data, next); 1953191983Sweongyo UPGT_STAT_INC(sc, st_tx_inactive); 1954191983Sweongyo } 1955191983Sweongyo 1956191983Sweongyo return (0); 1957191983Sweongyo} 1958191983Sweongyo 1959191983Sweongyostatic int 1960191983Sweongyoupgt_alloc_rx(struct upgt_softc *sc) 1961191983Sweongyo{ 1962191983Sweongyo int i; 1963191983Sweongyo 1964191983Sweongyo STAILQ_INIT(&sc->sc_rx_active); 1965191983Sweongyo STAILQ_INIT(&sc->sc_rx_inactive); 1966191983Sweongyo 1967191983Sweongyo for (i = 0; i < UPGT_RX_MAXCOUNT; i++) { 1968191983Sweongyo struct upgt_data *data = &sc->sc_rx_data[i]; 1969191983Sweongyo 1970191983Sweongyo data->buf = malloc(MCLBYTES, M_USBDEV, M_NOWAIT | M_ZERO); 1971191983Sweongyo if (data->buf == NULL) { 1972191983Sweongyo device_printf(sc->sc_dev, 1973199816Sthompsa "could not allocate RX buffer\n"); 1974191983Sweongyo return (ENOMEM); 1975191983Sweongyo } 1976191983Sweongyo STAILQ_INSERT_TAIL(&sc->sc_rx_inactive, data, next); 1977191983Sweongyo } 1978191983Sweongyo 1979191983Sweongyo return (0); 1980191983Sweongyo} 1981191983Sweongyo 1982191983Sweongyostatic int 1983191983Sweongyoupgt_detach(device_t dev) 1984191983Sweongyo{ 1985191983Sweongyo struct upgt_softc *sc = device_get_softc(dev); 1986191983Sweongyo struct ifnet *ifp = sc->sc_ifp; 1987191983Sweongyo struct ieee80211com *ic = ifp->if_l2com; 1988191983Sweongyo 1989191983Sweongyo if (!device_is_attached(dev)) 1990191983Sweongyo return 0; 1991191983Sweongyo 1992191983Sweongyo upgt_stop(sc); 1993191983Sweongyo 1994191983Sweongyo callout_drain(&sc->sc_led_ch); 1995191983Sweongyo callout_drain(&sc->sc_watchdog_ch); 1996191983Sweongyo 1997194228Sthompsa usbd_transfer_unsetup(sc->sc_xfer, UPGT_N_XFERS); 1998192419Sweongyo ieee80211_ifdetach(ic); 1999191983Sweongyo upgt_free_rx(sc); 2000191983Sweongyo upgt_free_tx(sc); 2001191983Sweongyo 2002191983Sweongyo if_free(ifp); 2003191983Sweongyo mtx_destroy(&sc->sc_mtx); 2004191983Sweongyo 2005191983Sweongyo return (0); 2006191983Sweongyo} 2007191983Sweongyo 2008191983Sweongyostatic void 2009191983Sweongyoupgt_free_rx(struct upgt_softc *sc) 2010191983Sweongyo{ 2011191983Sweongyo int i; 2012191983Sweongyo 2013191983Sweongyo for (i = 0; i < UPGT_RX_MAXCOUNT; i++) { 2014191983Sweongyo struct upgt_data *data = &sc->sc_rx_data[i]; 2015191983Sweongyo 2016191983Sweongyo free(data->buf, M_USBDEV); 2017191983Sweongyo data->ni = NULL; 2018191983Sweongyo } 2019191983Sweongyo} 2020191983Sweongyo 2021191983Sweongyostatic void 2022191983Sweongyoupgt_free_tx(struct upgt_softc *sc) 2023191983Sweongyo{ 2024191983Sweongyo int i; 2025191983Sweongyo 2026191983Sweongyo for (i = 0; i < UPGT_TX_MAXCOUNT; i++) { 2027191983Sweongyo struct upgt_data *data = &sc->sc_tx_data[i]; 2028191983Sweongyo 2029191983Sweongyo free(data->buf, M_USBDEV); 2030191983Sweongyo data->ni = NULL; 2031191983Sweongyo } 2032191983Sweongyo} 2033191983Sweongyo 2034191983Sweongyostatic void 2035191983Sweongyoupgt_abort_xfers_locked(struct upgt_softc *sc) 2036191983Sweongyo{ 2037191983Sweongyo int i; 2038191983Sweongyo 2039191983Sweongyo UPGT_ASSERT_LOCKED(sc); 2040191983Sweongyo /* abort any pending transfers */ 2041191983Sweongyo for (i = 0; i < UPGT_N_XFERS; i++) 2042194228Sthompsa usbd_transfer_stop(sc->sc_xfer[i]); 2043191983Sweongyo} 2044191983Sweongyo 2045191983Sweongyostatic void 2046191983Sweongyoupgt_abort_xfers(struct upgt_softc *sc) 2047191983Sweongyo{ 2048191983Sweongyo 2049191983Sweongyo UPGT_LOCK(sc); 2050191983Sweongyo upgt_abort_xfers_locked(sc); 2051191983Sweongyo UPGT_UNLOCK(sc); 2052191983Sweongyo} 2053191983Sweongyo 2054191983Sweongyo#define UPGT_SYSCTL_STAT_ADD32(c, h, n, p, d) \ 2055191983Sweongyo SYSCTL_ADD_UINT(c, h, OID_AUTO, n, CTLFLAG_RD, p, 0, d) 2056191983Sweongyo 2057191983Sweongyostatic void 2058191983Sweongyoupgt_sysctl_node(struct upgt_softc *sc) 2059191983Sweongyo{ 2060191983Sweongyo struct sysctl_ctx_list *ctx; 2061191983Sweongyo struct sysctl_oid_list *child; 2062191983Sweongyo struct sysctl_oid *tree; 2063191983Sweongyo struct upgt_stat *stats; 2064191983Sweongyo 2065191983Sweongyo stats = &sc->sc_stat; 2066191983Sweongyo ctx = device_get_sysctl_ctx(sc->sc_dev); 2067191983Sweongyo child = SYSCTL_CHILDREN(device_get_sysctl_tree(sc->sc_dev)); 2068191983Sweongyo 2069191983Sweongyo tree = SYSCTL_ADD_NODE(ctx, child, OID_AUTO, "stats", CTLFLAG_RD, 2070191983Sweongyo NULL, "UPGT statistics"); 2071191983Sweongyo child = SYSCTL_CHILDREN(tree); 2072191983Sweongyo UPGT_SYSCTL_STAT_ADD32(ctx, child, "tx_active", 2073191983Sweongyo &stats->st_tx_active, "Active numbers in TX queue"); 2074191983Sweongyo UPGT_SYSCTL_STAT_ADD32(ctx, child, "tx_inactive", 2075191983Sweongyo &stats->st_tx_inactive, "Inactive numbers in TX queue"); 2076191983Sweongyo UPGT_SYSCTL_STAT_ADD32(ctx, child, "tx_pending", 2077191983Sweongyo &stats->st_tx_pending, "Pending numbers in TX queue"); 2078191983Sweongyo} 2079191983Sweongyo 2080191983Sweongyo#undef UPGT_SYSCTL_STAT_ADD32 2081191983Sweongyo 2082191983Sweongyostatic struct upgt_data * 2083191983Sweongyo_upgt_getbuf(struct upgt_softc *sc) 2084191983Sweongyo{ 2085191983Sweongyo struct upgt_data *bf; 2086191983Sweongyo 2087191983Sweongyo bf = STAILQ_FIRST(&sc->sc_tx_inactive); 2088191983Sweongyo if (bf != NULL) { 2089191983Sweongyo STAILQ_REMOVE_HEAD(&sc->sc_tx_inactive, next); 2090191983Sweongyo UPGT_STAT_DEC(sc, st_tx_inactive); 2091191983Sweongyo } else 2092191983Sweongyo bf = NULL; 2093191983Sweongyo if (bf == NULL) 2094191983Sweongyo DPRINTF(sc, UPGT_DEBUG_XMIT, "%s: %s\n", __func__, 2095191983Sweongyo "out of xmit buffers"); 2096191983Sweongyo return (bf); 2097191983Sweongyo} 2098191983Sweongyo 2099191983Sweongyostatic struct upgt_data * 2100191983Sweongyoupgt_getbuf(struct upgt_softc *sc) 2101191983Sweongyo{ 2102191983Sweongyo struct upgt_data *bf; 2103191983Sweongyo 2104191983Sweongyo UPGT_ASSERT_LOCKED(sc); 2105191983Sweongyo 2106191983Sweongyo bf = _upgt_getbuf(sc); 2107191983Sweongyo if (bf == NULL) { 2108191983Sweongyo struct ifnet *ifp = sc->sc_ifp; 2109191983Sweongyo 2110191983Sweongyo DPRINTF(sc, UPGT_DEBUG_XMIT, "%s: stop queue\n", __func__); 2111191983Sweongyo ifp->if_drv_flags |= IFF_DRV_OACTIVE; 2112191983Sweongyo } 2113191983Sweongyo 2114191983Sweongyo return (bf); 2115191983Sweongyo} 2116191983Sweongyo 2117191983Sweongyostatic struct upgt_data * 2118191983Sweongyoupgt_gettxbuf(struct upgt_softc *sc) 2119191983Sweongyo{ 2120191983Sweongyo struct upgt_data *bf; 2121191983Sweongyo 2122191983Sweongyo UPGT_ASSERT_LOCKED(sc); 2123191983Sweongyo 2124191983Sweongyo bf = upgt_getbuf(sc); 2125191983Sweongyo if (bf == NULL) 2126191983Sweongyo return (NULL); 2127191983Sweongyo 2128191983Sweongyo bf->addr = upgt_mem_alloc(sc); 2129191983Sweongyo if (bf->addr == 0) { 2130191983Sweongyo struct ifnet *ifp = sc->sc_ifp; 2131191983Sweongyo 2132191983Sweongyo DPRINTF(sc, UPGT_DEBUG_XMIT, "%s: no free prism memory!\n", 2133191983Sweongyo __func__); 2134191983Sweongyo STAILQ_INSERT_HEAD(&sc->sc_tx_inactive, bf, next); 2135191983Sweongyo UPGT_STAT_INC(sc, st_tx_inactive); 2136191983Sweongyo if (!(ifp->if_drv_flags & IFF_DRV_OACTIVE)) 2137191983Sweongyo ifp->if_drv_flags |= IFF_DRV_OACTIVE; 2138191983Sweongyo return (NULL); 2139191983Sweongyo } 2140191983Sweongyo return (bf); 2141191983Sweongyo} 2142191983Sweongyo 2143191983Sweongyostatic int 2144191983Sweongyoupgt_tx_start(struct upgt_softc *sc, struct mbuf *m, struct ieee80211_node *ni, 2145191983Sweongyo struct upgt_data *data) 2146191983Sweongyo{ 2147192468Ssam struct ieee80211vap *vap = ni->ni_vap; 2148191983Sweongyo int error = 0, len; 2149191983Sweongyo struct ieee80211_frame *wh; 2150191983Sweongyo struct ieee80211_key *k; 2151191983Sweongyo struct ifnet *ifp = sc->sc_ifp; 2152191983Sweongyo struct upgt_lmac_mem *mem; 2153191983Sweongyo struct upgt_lmac_tx_desc *txdesc; 2154191983Sweongyo 2155191983Sweongyo UPGT_ASSERT_LOCKED(sc); 2156191983Sweongyo 2157191983Sweongyo upgt_set_led(sc, UPGT_LED_BLINK); 2158191983Sweongyo 2159191983Sweongyo /* 2160191983Sweongyo * Software crypto. 2161191983Sweongyo */ 2162191983Sweongyo wh = mtod(m, struct ieee80211_frame *); 2163191983Sweongyo if (wh->i_fc[1] & IEEE80211_FC1_WEP) { 2164191983Sweongyo k = ieee80211_crypto_encap(ni, m); 2165191983Sweongyo if (k == NULL) { 2166191983Sweongyo device_printf(sc->sc_dev, 2167191983Sweongyo "ieee80211_crypto_encap returns NULL.\n"); 2168191983Sweongyo error = EIO; 2169191983Sweongyo goto done; 2170191983Sweongyo } 2171191983Sweongyo 2172191983Sweongyo /* in case packet header moved, reset pointer */ 2173191983Sweongyo wh = mtod(m, struct ieee80211_frame *); 2174191983Sweongyo } 2175191983Sweongyo 2176191983Sweongyo /* Transmit the URB containing the TX data. */ 2177191983Sweongyo bzero(data->buf, MCLBYTES); 2178191983Sweongyo mem = (struct upgt_lmac_mem *)data->buf; 2179191983Sweongyo mem->addr = htole32(data->addr); 2180191983Sweongyo txdesc = (struct upgt_lmac_tx_desc *)(mem + 1); 2181191983Sweongyo 2182191983Sweongyo if ((wh->i_fc[0] & IEEE80211_FC0_TYPE_MASK) == 2183191983Sweongyo IEEE80211_FC0_TYPE_MGT) { 2184191983Sweongyo /* mgmt frames */ 2185191983Sweongyo txdesc->header1.flags = UPGT_H1_FLAGS_TX_MGMT; 2186191983Sweongyo /* always send mgmt frames at lowest rate (DS1) */ 2187191983Sweongyo memset(txdesc->rates, 0x10, sizeof(txdesc->rates)); 2188191983Sweongyo } else { 2189191983Sweongyo /* data frames */ 2190191983Sweongyo txdesc->header1.flags = UPGT_H1_FLAGS_TX_DATA; 2191191983Sweongyo bcopy(sc->sc_cur_rateset, txdesc->rates, sizeof(txdesc->rates)); 2192191983Sweongyo } 2193191983Sweongyo txdesc->header1.type = UPGT_H1_TYPE_TX_DATA; 2194191983Sweongyo txdesc->header1.len = htole16(m->m_pkthdr.len); 2195191983Sweongyo txdesc->header2.reqid = htole32(data->addr); 2196191983Sweongyo txdesc->header2.type = htole16(UPGT_H2_TYPE_TX_ACK_YES); 2197191983Sweongyo txdesc->header2.flags = htole16(UPGT_H2_FLAGS_TX_ACK_YES); 2198191983Sweongyo txdesc->type = htole32(UPGT_TX_DESC_TYPE_DATA); 2199191983Sweongyo txdesc->pad3[0] = UPGT_TX_DESC_PAD3_SIZE; 2200191983Sweongyo 2201192468Ssam if (ieee80211_radiotap_active_vap(vap)) { 2202191983Sweongyo struct upgt_tx_radiotap_header *tap = &sc->sc_txtap; 2203191983Sweongyo 2204191983Sweongyo tap->wt_flags = 0; 2205191983Sweongyo tap->wt_rate = 0; /* XXX where to get from? */ 2206191983Sweongyo 2207192468Ssam ieee80211_radiotap_tx(vap, m); 2208191983Sweongyo } 2209191983Sweongyo 2210191983Sweongyo /* copy frame below our TX descriptor header */ 2211191983Sweongyo m_copydata(m, 0, m->m_pkthdr.len, 2212191983Sweongyo data->buf + (sizeof(*mem) + sizeof(*txdesc))); 2213191983Sweongyo /* calculate frame size */ 2214191983Sweongyo len = sizeof(*mem) + sizeof(*txdesc) + m->m_pkthdr.len; 2215191983Sweongyo /* we need to align the frame to a 4 byte boundary */ 2216191983Sweongyo len = (len + 3) & ~3; 2217191983Sweongyo /* calculate frame checksum */ 2218191983Sweongyo mem->chksum = upgt_chksum_le((uint32_t *)txdesc, len - sizeof(*mem)); 2219191983Sweongyo data->ni = ni; 2220191983Sweongyo data->m = m; 2221191983Sweongyo data->buflen = len; 2222191983Sweongyo 2223191983Sweongyo DPRINTF(sc, UPGT_DEBUG_XMIT, "%s: TX start data sending (%d bytes)\n", 2224191983Sweongyo __func__, len); 2225191983Sweongyo KASSERT(len <= MCLBYTES, ("mbuf is small for saving data")); 2226191983Sweongyo 2227191983Sweongyo upgt_bulk_tx(sc, data); 2228191983Sweongyodone: 2229191983Sweongyo /* 2230191983Sweongyo * If we don't regulary read the device statistics, the RX queue 2231191983Sweongyo * will stall. It's strange, but it works, so we keep reading 2232191983Sweongyo * the statistics here. *shrug* 2233191983Sweongyo */ 2234191983Sweongyo if (!(ifp->if_opackets % UPGT_TX_STAT_INTERVAL)) 2235191983Sweongyo upgt_get_stats(sc); 2236191983Sweongyo 2237191983Sweongyo return (error); 2238191983Sweongyo} 2239191983Sweongyo 2240191983Sweongyostatic void 2241194677Sthompsaupgt_bulk_rx_callback(struct usb_xfer *xfer, usb_error_t error) 2242191983Sweongyo{ 2243194677Sthompsa struct upgt_softc *sc = usbd_xfer_softc(xfer); 2244191983Sweongyo struct ifnet *ifp = sc->sc_ifp; 2245191983Sweongyo struct ieee80211com *ic = ifp->if_l2com; 2246191983Sweongyo struct ieee80211_frame *wh; 2247191983Sweongyo struct ieee80211_node *ni; 2248191983Sweongyo struct mbuf *m = NULL; 2249191983Sweongyo struct upgt_data *data; 2250191983Sweongyo int8_t nf; 2251191983Sweongyo int rssi = -1; 2252191983Sweongyo 2253191983Sweongyo UPGT_ASSERT_LOCKED(sc); 2254191983Sweongyo 2255191983Sweongyo switch (USB_GET_STATE(xfer)) { 2256191983Sweongyo case USB_ST_TRANSFERRED: 2257191983Sweongyo data = STAILQ_FIRST(&sc->sc_rx_active); 2258191983Sweongyo if (data == NULL) 2259191983Sweongyo goto setup; 2260191983Sweongyo STAILQ_REMOVE_HEAD(&sc->sc_rx_active, next); 2261191983Sweongyo m = upgt_rxeof(xfer, data, &rssi); 2262191983Sweongyo STAILQ_INSERT_TAIL(&sc->sc_rx_inactive, data, next); 2263191983Sweongyo /* FALLTHROUGH */ 2264191983Sweongyo case USB_ST_SETUP: 2265191983Sweongyosetup: 2266191983Sweongyo data = STAILQ_FIRST(&sc->sc_rx_inactive); 2267191983Sweongyo if (data == NULL) 2268191983Sweongyo return; 2269191983Sweongyo STAILQ_REMOVE_HEAD(&sc->sc_rx_inactive, next); 2270191983Sweongyo STAILQ_INSERT_TAIL(&sc->sc_rx_active, data, next); 2271194677Sthompsa usbd_xfer_set_frame_data(xfer, 0, data->buf, 2272194677Sthompsa usbd_xfer_max_len(xfer)); 2273194228Sthompsa usbd_transfer_submit(xfer); 2274191983Sweongyo 2275191983Sweongyo /* 2276191983Sweongyo * To avoid LOR we should unlock our private mutex here to call 2277191983Sweongyo * ieee80211_input() because here is at the end of a USB 2278191983Sweongyo * callback and safe to unlock. 2279191983Sweongyo */ 2280191983Sweongyo UPGT_UNLOCK(sc); 2281191983Sweongyo if (m != NULL) { 2282191983Sweongyo wh = mtod(m, struct ieee80211_frame *); 2283191983Sweongyo ni = ieee80211_find_rxnode(ic, 2284191983Sweongyo (struct ieee80211_frame_min *)wh); 2285191983Sweongyo nf = -95; /* XXX */ 2286191983Sweongyo if (ni != NULL) { 2287192468Ssam (void) ieee80211_input(ni, m, rssi, nf); 2288191983Sweongyo /* node is no longer needed */ 2289191983Sweongyo ieee80211_free_node(ni); 2290191983Sweongyo } else 2291192468Ssam (void) ieee80211_input_all(ic, m, rssi, nf); 2292191983Sweongyo m = NULL; 2293191983Sweongyo } 2294198099Sweongyo if ((ifp->if_drv_flags & IFF_DRV_OACTIVE) == 0 && 2295198099Sweongyo !IFQ_IS_EMPTY(&ifp->if_snd)) 2296198099Sweongyo upgt_start(ifp); 2297191983Sweongyo UPGT_LOCK(sc); 2298191983Sweongyo break; 2299191983Sweongyo default: 2300191983Sweongyo /* needs it to the inactive queue due to a error. */ 2301191983Sweongyo data = STAILQ_FIRST(&sc->sc_rx_active); 2302191983Sweongyo if (data != NULL) { 2303191983Sweongyo STAILQ_REMOVE_HEAD(&sc->sc_rx_active, next); 2304191983Sweongyo STAILQ_INSERT_TAIL(&sc->sc_rx_inactive, data, next); 2305191983Sweongyo } 2306194677Sthompsa if (error != USB_ERR_CANCELLED) { 2307194677Sthompsa usbd_xfer_set_stall(xfer); 2308191983Sweongyo ifp->if_ierrors++; 2309191983Sweongyo goto setup; 2310191983Sweongyo } 2311191983Sweongyo break; 2312191983Sweongyo } 2313191983Sweongyo} 2314191983Sweongyo 2315191983Sweongyostatic void 2316194677Sthompsaupgt_bulk_tx_callback(struct usb_xfer *xfer, usb_error_t error) 2317191983Sweongyo{ 2318194677Sthompsa struct upgt_softc *sc = usbd_xfer_softc(xfer); 2319191983Sweongyo struct ifnet *ifp = sc->sc_ifp; 2320191983Sweongyo struct upgt_data *data; 2321191983Sweongyo 2322191983Sweongyo UPGT_ASSERT_LOCKED(sc); 2323191983Sweongyo switch (USB_GET_STATE(xfer)) { 2324191983Sweongyo case USB_ST_TRANSFERRED: 2325191983Sweongyo data = STAILQ_FIRST(&sc->sc_tx_active); 2326191983Sweongyo if (data == NULL) 2327191983Sweongyo goto setup; 2328191983Sweongyo STAILQ_REMOVE_HEAD(&sc->sc_tx_active, next); 2329191983Sweongyo UPGT_STAT_DEC(sc, st_tx_active); 2330191983Sweongyo upgt_txeof(xfer, data); 2331191983Sweongyo STAILQ_INSERT_TAIL(&sc->sc_tx_inactive, data, next); 2332191983Sweongyo UPGT_STAT_INC(sc, st_tx_inactive); 2333191983Sweongyo /* FALLTHROUGH */ 2334191983Sweongyo case USB_ST_SETUP: 2335191983Sweongyosetup: 2336191983Sweongyo data = STAILQ_FIRST(&sc->sc_tx_pending); 2337191983Sweongyo if (data == NULL) { 2338191983Sweongyo DPRINTF(sc, UPGT_DEBUG_XMIT, "%s: empty pending queue\n", 2339191983Sweongyo __func__); 2340191983Sweongyo return; 2341191983Sweongyo } 2342191983Sweongyo STAILQ_REMOVE_HEAD(&sc->sc_tx_pending, next); 2343191983Sweongyo UPGT_STAT_DEC(sc, st_tx_pending); 2344191983Sweongyo STAILQ_INSERT_TAIL(&sc->sc_tx_active, data, next); 2345191983Sweongyo UPGT_STAT_INC(sc, st_tx_active); 2346191983Sweongyo 2347194677Sthompsa usbd_xfer_set_frame_data(xfer, 0, data->buf, data->buflen); 2348194228Sthompsa usbd_transfer_submit(xfer); 2349191983Sweongyo UPGT_UNLOCK(sc); 2350191983Sweongyo upgt_start(ifp); 2351191983Sweongyo UPGT_LOCK(sc); 2352191983Sweongyo break; 2353191983Sweongyo default: 2354191983Sweongyo data = STAILQ_FIRST(&sc->sc_tx_active); 2355191983Sweongyo if (data == NULL) 2356191983Sweongyo goto setup; 2357191983Sweongyo if (data->ni != NULL) { 2358191983Sweongyo ieee80211_free_node(data->ni); 2359191983Sweongyo data->ni = NULL; 2360191983Sweongyo ifp->if_oerrors++; 2361191983Sweongyo } 2362194677Sthompsa if (error != USB_ERR_CANCELLED) { 2363194677Sthompsa usbd_xfer_set_stall(xfer); 2364191983Sweongyo goto setup; 2365191983Sweongyo } 2366191983Sweongyo break; 2367191983Sweongyo } 2368191983Sweongyo} 2369191983Sweongyo 2370191983Sweongyostatic device_method_t upgt_methods[] = { 2371191983Sweongyo /* Device interface */ 2372191983Sweongyo DEVMETHOD(device_probe, upgt_match), 2373191983Sweongyo DEVMETHOD(device_attach, upgt_attach), 2374191983Sweongyo DEVMETHOD(device_detach, upgt_detach), 2375191983Sweongyo 2376191983Sweongyo { 0, 0 } 2377191983Sweongyo}; 2378191983Sweongyo 2379191983Sweongyostatic driver_t upgt_driver = { 2380191983Sweongyo "upgt", 2381191983Sweongyo upgt_methods, 2382191983Sweongyo sizeof(struct upgt_softc) 2383191983Sweongyo}; 2384191983Sweongyo 2385191983Sweongyostatic devclass_t upgt_devclass; 2386191983Sweongyo 2387191983SweongyoDRIVER_MODULE(if_upgt, uhub, upgt_driver, upgt_devclass, NULL, 0); 2388191983SweongyoMODULE_VERSION(if_upgt, 1); 2389191983SweongyoMODULE_DEPEND(if_upgt, usb, 1, 1, 1); 2390191983SweongyoMODULE_DEPEND(if_upgt, wlan, 1, 1, 1); 2391191983SweongyoMODULE_DEPEND(if_upgt, upgtfw_fw, 1, 1, 1); 2392