if_upgt.c revision 213804
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 213804 2010-10-13 20:56:54Z hselasky $ */ 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), 185213804Shselasky UPGT_DEV(NETGEAR, WG111V2_2), 186191983Sweongyo UPGT_DEV(INTERSIL, PRISM_GT), 187191983Sweongyo UPGT_DEV(SMC, 2862WG), 188209447Sthompsa UPGT_DEV(USR, USR5422), 189191983Sweongyo UPGT_DEV(WISTRONNEWEB, UR045G), 190191983Sweongyo UPGT_DEV(XYRATEX, PRISM_GT_1), 191191983Sweongyo UPGT_DEV(XYRATEX, PRISM_GT_2), 192191983Sweongyo UPGT_DEV(ZCOM, XG703A), 193191983Sweongyo UPGT_DEV(ZCOM, XM142) 194191983Sweongyo}; 195191983Sweongyo 196193045Sthompsastatic usb_callback_t upgt_bulk_rx_callback; 197193045Sthompsastatic usb_callback_t upgt_bulk_tx_callback; 198191983Sweongyo 199192984Sthompsastatic const struct usb_config upgt_config[UPGT_N_XFERS] = { 200191983Sweongyo [UPGT_BULK_TX] = { 201191983Sweongyo .type = UE_BULK, 202191983Sweongyo .endpoint = UE_ADDR_ANY, 203191983Sweongyo .direction = UE_DIR_OUT, 204191983Sweongyo .bufsize = MCLBYTES, 205191983Sweongyo .flags = { 206191983Sweongyo .ext_buffer = 1, 207191983Sweongyo .force_short_xfer = 1, 208191983Sweongyo .pipe_bof = 1 209191983Sweongyo }, 210191983Sweongyo .callback = upgt_bulk_tx_callback, 211191983Sweongyo .timeout = UPGT_USB_TIMEOUT, /* ms */ 212191983Sweongyo }, 213191983Sweongyo [UPGT_BULK_RX] = { 214191983Sweongyo .type = UE_BULK, 215191983Sweongyo .endpoint = UE_ADDR_ANY, 216191983Sweongyo .direction = UE_DIR_IN, 217191983Sweongyo .bufsize = MCLBYTES, 218191983Sweongyo .flags = { 219191983Sweongyo .ext_buffer = 1, 220191983Sweongyo .pipe_bof = 1, 221191983Sweongyo .short_xfer_ok = 1 222191983Sweongyo }, 223191983Sweongyo .callback = upgt_bulk_rx_callback, 224191983Sweongyo }, 225191983Sweongyo}; 226191983Sweongyo 227191983Sweongyostatic int 228191983Sweongyoupgt_match(device_t dev) 229191983Sweongyo{ 230192984Sthompsa struct usb_attach_arg *uaa = device_get_ivars(dev); 231191983Sweongyo 232192499Sthompsa if (uaa->usb_mode != USB_MODE_HOST) 233191983Sweongyo return (ENXIO); 234191983Sweongyo if (uaa->info.bConfigIndex != UPGT_CONFIG_INDEX) 235191983Sweongyo return (ENXIO); 236191983Sweongyo if (uaa->info.bIfaceIndex != UPGT_IFACE_INDEX) 237191983Sweongyo return (ENXIO); 238191983Sweongyo 239194228Sthompsa return (usbd_lookup_id_by_uaa(upgt_devs_2, sizeof(upgt_devs_2), uaa)); 240191983Sweongyo} 241191983Sweongyo 242191983Sweongyostatic int 243191983Sweongyoupgt_attach(device_t dev) 244191983Sweongyo{ 245191983Sweongyo int error; 246191983Sweongyo struct ieee80211com *ic; 247191983Sweongyo struct ifnet *ifp; 248191983Sweongyo struct upgt_softc *sc = device_get_softc(dev); 249192984Sthompsa struct usb_attach_arg *uaa = device_get_ivars(dev); 250191983Sweongyo uint8_t bands, iface_index = UPGT_IFACE_INDEX; 251191983Sweongyo 252191983Sweongyo sc->sc_dev = dev; 253191983Sweongyo sc->sc_udev = uaa->device; 254191983Sweongyo#ifdef UPGT_DEBUG 255191983Sweongyo sc->sc_debug = upgt_debug; 256191983Sweongyo#endif 257194228Sthompsa device_set_usb_desc(dev); 258191983Sweongyo 259191983Sweongyo mtx_init(&sc->sc_mtx, device_get_nameunit(sc->sc_dev), MTX_NETWORK_LOCK, 260191983Sweongyo MTX_DEF); 261191983Sweongyo callout_init(&sc->sc_led_ch, 0); 262191983Sweongyo callout_init(&sc->sc_watchdog_ch, 0); 263191983Sweongyo 264191983Sweongyo /* Allocate TX and RX xfers. */ 265191983Sweongyo error = upgt_alloc_tx(sc); 266191983Sweongyo if (error) 267191983Sweongyo goto fail1; 268191983Sweongyo error = upgt_alloc_rx(sc); 269191983Sweongyo if (error) 270191983Sweongyo goto fail2; 271191983Sweongyo 272194228Sthompsa error = usbd_transfer_setup(uaa->device, &iface_index, sc->sc_xfer, 273191983Sweongyo upgt_config, UPGT_N_XFERS, sc, &sc->sc_mtx); 274191983Sweongyo if (error) { 275191983Sweongyo device_printf(dev, "could not allocate USB transfers, " 276194228Sthompsa "err=%s\n", usbd_errstr(error)); 277191983Sweongyo goto fail3; 278191983Sweongyo } 279191983Sweongyo 280191983Sweongyo ifp = sc->sc_ifp = if_alloc(IFT_IEEE80211); 281191983Sweongyo if (ifp == NULL) { 282191983Sweongyo device_printf(dev, "can not if_alloc()\n"); 283191983Sweongyo goto fail4; 284191983Sweongyo } 285191983Sweongyo 286191983Sweongyo /* Initialize the device. */ 287191983Sweongyo error = upgt_device_reset(sc); 288191983Sweongyo if (error) 289191983Sweongyo goto fail5; 290191983Sweongyo /* Verify the firmware. */ 291191983Sweongyo error = upgt_fw_verify(sc); 292191983Sweongyo if (error) 293191983Sweongyo goto fail5; 294191983Sweongyo /* Calculate device memory space. */ 295191983Sweongyo if (sc->sc_memaddr_frame_start == 0 || sc->sc_memaddr_frame_end == 0) { 296191983Sweongyo device_printf(dev, 297199816Sthompsa "could not find memory space addresses on FW\n"); 298191983Sweongyo error = EIO; 299191983Sweongyo goto fail5; 300191983Sweongyo } 301191983Sweongyo sc->sc_memaddr_frame_end -= UPGT_MEMSIZE_RX + 1; 302191983Sweongyo sc->sc_memaddr_rx_start = sc->sc_memaddr_frame_end + 1; 303191983Sweongyo 304191983Sweongyo DPRINTF(sc, UPGT_DEBUG_FW, "memory address frame start=0x%08x\n", 305191983Sweongyo sc->sc_memaddr_frame_start); 306191983Sweongyo DPRINTF(sc, UPGT_DEBUG_FW, "memory address frame end=0x%08x\n", 307191983Sweongyo sc->sc_memaddr_frame_end); 308191983Sweongyo DPRINTF(sc, UPGT_DEBUG_FW, "memory address rx start=0x%08x\n", 309191983Sweongyo sc->sc_memaddr_rx_start); 310191983Sweongyo 311191983Sweongyo upgt_mem_init(sc); 312191983Sweongyo 313191983Sweongyo /* Load the firmware. */ 314191983Sweongyo error = upgt_fw_load(sc); 315191983Sweongyo if (error) 316191983Sweongyo goto fail5; 317191983Sweongyo 318191983Sweongyo /* Read the whole EEPROM content and parse it. */ 319191983Sweongyo error = upgt_eeprom_read(sc); 320191983Sweongyo if (error) 321191983Sweongyo goto fail5; 322191983Sweongyo error = upgt_eeprom_parse(sc); 323191983Sweongyo if (error) 324191983Sweongyo goto fail5; 325191983Sweongyo 326191983Sweongyo /* all works related with the device have done here. */ 327191983Sweongyo upgt_abort_xfers(sc); 328191983Sweongyo 329191983Sweongyo /* Setup the 802.11 device. */ 330191983Sweongyo ifp->if_softc = sc; 331191983Sweongyo if_initname(ifp, "upgt", device_get_unit(sc->sc_dev)); 332191983Sweongyo ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST; 333191983Sweongyo ifp->if_init = upgt_init; 334191983Sweongyo ifp->if_ioctl = upgt_ioctl; 335191983Sweongyo ifp->if_start = upgt_start; 336207554Ssobomax IFQ_SET_MAXLEN(&ifp->if_snd, ifqmaxlen); 337191983Sweongyo IFQ_SET_READY(&ifp->if_snd); 338191983Sweongyo 339191983Sweongyo ic = ifp->if_l2com; 340191983Sweongyo ic->ic_ifp = ifp; 341191983Sweongyo ic->ic_phytype = IEEE80211_T_OFDM; /* not only, but not used */ 342191983Sweongyo ic->ic_opmode = IEEE80211_M_STA; 343191983Sweongyo /* set device capabilities */ 344191983Sweongyo ic->ic_caps = 345191983Sweongyo IEEE80211_C_STA /* station mode */ 346191983Sweongyo | IEEE80211_C_MONITOR /* monitor mode */ 347191983Sweongyo | IEEE80211_C_SHPREAMBLE /* short preamble supported */ 348191983Sweongyo | IEEE80211_C_SHSLOT /* short slot time supported */ 349191983Sweongyo | IEEE80211_C_BGSCAN /* capable of bg scanning */ 350191983Sweongyo | IEEE80211_C_WPA /* 802.11i */ 351191983Sweongyo ; 352191983Sweongyo 353191983Sweongyo bands = 0; 354191983Sweongyo setbit(&bands, IEEE80211_MODE_11B); 355191983Sweongyo setbit(&bands, IEEE80211_MODE_11G); 356191983Sweongyo ieee80211_init_channels(ic, NULL, &bands); 357191983Sweongyo 358191983Sweongyo ieee80211_ifattach(ic, sc->sc_myaddr); 359191983Sweongyo ic->ic_raw_xmit = upgt_raw_xmit; 360191983Sweongyo ic->ic_scan_start = upgt_scan_start; 361191983Sweongyo ic->ic_scan_end = upgt_scan_end; 362191983Sweongyo ic->ic_set_channel = upgt_set_channel; 363191983Sweongyo 364191983Sweongyo ic->ic_vap_create = upgt_vap_create; 365191983Sweongyo ic->ic_vap_delete = upgt_vap_delete; 366191983Sweongyo ic->ic_update_mcast = upgt_update_mcast; 367191983Sweongyo 368192468Ssam ieee80211_radiotap_attach(ic, 369192468Ssam &sc->sc_txtap.wt_ihdr, sizeof(sc->sc_txtap), 370192468Ssam UPGT_TX_RADIOTAP_PRESENT, 371192468Ssam &sc->sc_rxtap.wr_ihdr, sizeof(sc->sc_rxtap), 372192468Ssam UPGT_RX_RADIOTAP_PRESENT); 373191983Sweongyo 374191983Sweongyo upgt_sysctl_node(sc); 375191983Sweongyo 376191983Sweongyo if (bootverbose) 377191983Sweongyo ieee80211_announce(ic); 378191983Sweongyo 379191983Sweongyo return (0); 380191983Sweongyo 381191983Sweongyofail5: if_free(ifp); 382194228Sthompsafail4: usbd_transfer_unsetup(sc->sc_xfer, UPGT_N_XFERS); 383191983Sweongyofail3: upgt_free_rx(sc); 384191983Sweongyofail2: upgt_free_tx(sc); 385191983Sweongyofail1: mtx_destroy(&sc->sc_mtx); 386191983Sweongyo 387191983Sweongyo return (error); 388191983Sweongyo} 389191983Sweongyo 390191983Sweongyostatic void 391192984Sthompsaupgt_txeof(struct usb_xfer *xfer, struct upgt_data *data) 392191983Sweongyo{ 393194677Sthompsa struct upgt_softc *sc = usbd_xfer_softc(xfer); 394191983Sweongyo struct ifnet *ifp = sc->sc_ifp; 395191983Sweongyo struct mbuf *m; 396191983Sweongyo 397191983Sweongyo UPGT_ASSERT_LOCKED(sc); 398191983Sweongyo 399191983Sweongyo /* 400191983Sweongyo * Do any tx complete callback. Note this must be done before releasing 401191983Sweongyo * the node reference. 402191983Sweongyo */ 403191983Sweongyo if (data->m) { 404191983Sweongyo m = data->m; 405191983Sweongyo if (m->m_flags & M_TXCB) { 406191983Sweongyo /* XXX status? */ 407191983Sweongyo ieee80211_process_callback(data->ni, m, 0); 408191983Sweongyo } 409191983Sweongyo m_freem(m); 410191983Sweongyo data->m = NULL; 411191983Sweongyo } 412191983Sweongyo if (data->ni) { 413191983Sweongyo ieee80211_free_node(data->ni); 414191983Sweongyo data->ni = NULL; 415191983Sweongyo } 416191983Sweongyo ifp->if_opackets++; 417191983Sweongyo} 418191983Sweongyo 419191983Sweongyostatic void 420191983Sweongyoupgt_get_stats(struct upgt_softc *sc) 421191983Sweongyo{ 422191983Sweongyo struct upgt_data *data_cmd; 423191983Sweongyo struct upgt_lmac_mem *mem; 424191983Sweongyo struct upgt_lmac_stats *stats; 425191983Sweongyo 426191983Sweongyo data_cmd = upgt_getbuf(sc); 427191983Sweongyo if (data_cmd == NULL) { 428191983Sweongyo device_printf(sc->sc_dev, "%s: out of buffer.\n", __func__); 429191983Sweongyo return; 430191983Sweongyo } 431191983Sweongyo 432191983Sweongyo /* 433191983Sweongyo * Transmit the URB containing the CMD data. 434191983Sweongyo */ 435191983Sweongyo bzero(data_cmd->buf, MCLBYTES); 436191983Sweongyo 437191983Sweongyo mem = (struct upgt_lmac_mem *)data_cmd->buf; 438191983Sweongyo mem->addr = htole32(sc->sc_memaddr_frame_start + 439191983Sweongyo UPGT_MEMSIZE_FRAME_HEAD); 440191983Sweongyo 441191983Sweongyo stats = (struct upgt_lmac_stats *)(mem + 1); 442191983Sweongyo 443191983Sweongyo stats->header1.flags = 0; 444191983Sweongyo stats->header1.type = UPGT_H1_TYPE_CTRL; 445191983Sweongyo stats->header1.len = htole16( 446191983Sweongyo sizeof(struct upgt_lmac_stats) - sizeof(struct upgt_lmac_header)); 447191983Sweongyo 448191983Sweongyo stats->header2.reqid = htole32(sc->sc_memaddr_frame_start); 449191983Sweongyo stats->header2.type = htole16(UPGT_H2_TYPE_STATS); 450191983Sweongyo stats->header2.flags = 0; 451191983Sweongyo 452191983Sweongyo data_cmd->buflen = sizeof(*mem) + sizeof(*stats); 453191983Sweongyo 454191983Sweongyo mem->chksum = upgt_chksum_le((uint32_t *)stats, 455191983Sweongyo data_cmd->buflen - sizeof(*mem)); 456191983Sweongyo 457191983Sweongyo upgt_bulk_tx(sc, data_cmd); 458191983Sweongyo} 459191983Sweongyo 460191983Sweongyostatic int 461191983Sweongyoupgt_ioctl(struct ifnet *ifp, u_long cmd, caddr_t data) 462191983Sweongyo{ 463191983Sweongyo struct upgt_softc *sc = ifp->if_softc; 464191983Sweongyo struct ieee80211com *ic = ifp->if_l2com; 465191983Sweongyo struct ifreq *ifr = (struct ifreq *) data; 466191983Sweongyo int error = 0, startall = 0; 467191983Sweongyo 468191983Sweongyo switch (cmd) { 469191983Sweongyo case SIOCSIFFLAGS: 470191983Sweongyo if (ifp->if_flags & IFF_UP) { 471191983Sweongyo if (ifp->if_drv_flags & IFF_DRV_RUNNING) { 472191983Sweongyo if ((ifp->if_flags ^ sc->sc_if_flags) & 473191983Sweongyo (IFF_ALLMULTI | IFF_PROMISC)) 474191983Sweongyo upgt_set_multi(sc); 475191983Sweongyo } else { 476191983Sweongyo upgt_init(sc); 477191983Sweongyo startall = 1; 478191983Sweongyo } 479191983Sweongyo } else { 480191983Sweongyo if (ifp->if_drv_flags & IFF_DRV_RUNNING) 481191983Sweongyo upgt_stop(sc); 482191983Sweongyo } 483191983Sweongyo sc->sc_if_flags = ifp->if_flags; 484191983Sweongyo if (startall) 485191983Sweongyo ieee80211_start_all(ic); 486191983Sweongyo break; 487191983Sweongyo case SIOCGIFMEDIA: 488191983Sweongyo error = ifmedia_ioctl(ifp, ifr, &ic->ic_media, cmd); 489191983Sweongyo break; 490191983Sweongyo case SIOCGIFADDR: 491191983Sweongyo error = ether_ioctl(ifp, cmd, data); 492191983Sweongyo break; 493191983Sweongyo default: 494191983Sweongyo error = EINVAL; 495191983Sweongyo break; 496191983Sweongyo } 497191983Sweongyo return error; 498191983Sweongyo} 499191983Sweongyo 500191983Sweongyostatic void 501191983Sweongyoupgt_stop_locked(struct upgt_softc *sc) 502191983Sweongyo{ 503191983Sweongyo struct ifnet *ifp = sc->sc_ifp; 504191983Sweongyo 505191983Sweongyo UPGT_ASSERT_LOCKED(sc); 506191983Sweongyo 507191983Sweongyo if (ifp->if_drv_flags & IFF_DRV_RUNNING) 508191983Sweongyo upgt_set_macfilter(sc, IEEE80211_S_INIT); 509191983Sweongyo upgt_abort_xfers_locked(sc); 510191983Sweongyo} 511191983Sweongyo 512191983Sweongyostatic void 513191983Sweongyoupgt_stop(struct upgt_softc *sc) 514191983Sweongyo{ 515191983Sweongyo struct ifnet *ifp = sc->sc_ifp; 516191983Sweongyo 517191983Sweongyo UPGT_LOCK(sc); 518191983Sweongyo upgt_stop_locked(sc); 519191983Sweongyo UPGT_UNLOCK(sc); 520191983Sweongyo 521191983Sweongyo /* device down */ 522191983Sweongyo sc->sc_tx_timer = 0; 523191983Sweongyo ifp->if_drv_flags &= ~(IFF_DRV_RUNNING | IFF_DRV_OACTIVE); 524191983Sweongyo sc->sc_flags &= ~UPGT_FLAG_INITDONE; 525191983Sweongyo} 526191983Sweongyo 527191983Sweongyostatic void 528191983Sweongyoupgt_set_led(struct upgt_softc *sc, int action) 529191983Sweongyo{ 530191983Sweongyo struct upgt_data *data_cmd; 531191983Sweongyo struct upgt_lmac_mem *mem; 532191983Sweongyo struct upgt_lmac_led *led; 533191983Sweongyo 534191983Sweongyo data_cmd = upgt_getbuf(sc); 535191983Sweongyo if (data_cmd == NULL) { 536191983Sweongyo device_printf(sc->sc_dev, "%s: out of buffers.\n", __func__); 537191983Sweongyo return; 538191983Sweongyo } 539191983Sweongyo 540191983Sweongyo /* 541191983Sweongyo * Transmit the URB containing the CMD data. 542191983Sweongyo */ 543191983Sweongyo bzero(data_cmd->buf, MCLBYTES); 544191983Sweongyo 545191983Sweongyo mem = (struct upgt_lmac_mem *)data_cmd->buf; 546191983Sweongyo mem->addr = htole32(sc->sc_memaddr_frame_start + 547191983Sweongyo UPGT_MEMSIZE_FRAME_HEAD); 548191983Sweongyo 549191983Sweongyo led = (struct upgt_lmac_led *)(mem + 1); 550191983Sweongyo 551191983Sweongyo led->header1.flags = UPGT_H1_FLAGS_TX_NO_CALLBACK; 552191983Sweongyo led->header1.type = UPGT_H1_TYPE_CTRL; 553191983Sweongyo led->header1.len = htole16( 554191983Sweongyo sizeof(struct upgt_lmac_led) - 555191983Sweongyo sizeof(struct upgt_lmac_header)); 556191983Sweongyo 557191983Sweongyo led->header2.reqid = htole32(sc->sc_memaddr_frame_start); 558191983Sweongyo led->header2.type = htole16(UPGT_H2_TYPE_LED); 559191983Sweongyo led->header2.flags = 0; 560191983Sweongyo 561191983Sweongyo switch (action) { 562191983Sweongyo case UPGT_LED_OFF: 563191983Sweongyo led->mode = htole16(UPGT_LED_MODE_SET); 564191983Sweongyo led->action_fix = 0; 565191983Sweongyo led->action_tmp = htole16(UPGT_LED_ACTION_OFF); 566191983Sweongyo led->action_tmp_dur = 0; 567191983Sweongyo break; 568191983Sweongyo case UPGT_LED_ON: 569191983Sweongyo led->mode = htole16(UPGT_LED_MODE_SET); 570191983Sweongyo led->action_fix = 0; 571191983Sweongyo led->action_tmp = htole16(UPGT_LED_ACTION_ON); 572191983Sweongyo led->action_tmp_dur = 0; 573191983Sweongyo break; 574191983Sweongyo case UPGT_LED_BLINK: 575191983Sweongyo if (sc->sc_state != IEEE80211_S_RUN) { 576191983Sweongyo STAILQ_INSERT_TAIL(&sc->sc_tx_inactive, data_cmd, next); 577191983Sweongyo return; 578191983Sweongyo } 579191983Sweongyo if (sc->sc_led_blink) { 580191983Sweongyo /* previous blink was not finished */ 581191983Sweongyo STAILQ_INSERT_TAIL(&sc->sc_tx_inactive, data_cmd, next); 582191983Sweongyo return; 583191983Sweongyo } 584191983Sweongyo led->mode = htole16(UPGT_LED_MODE_SET); 585191983Sweongyo led->action_fix = htole16(UPGT_LED_ACTION_OFF); 586191983Sweongyo led->action_tmp = htole16(UPGT_LED_ACTION_ON); 587191983Sweongyo led->action_tmp_dur = htole16(UPGT_LED_ACTION_TMP_DUR); 588191983Sweongyo /* lock blink */ 589191983Sweongyo sc->sc_led_blink = 1; 590191983Sweongyo callout_reset(&sc->sc_led_ch, hz, upgt_set_led_blink, sc); 591191983Sweongyo break; 592191983Sweongyo default: 593191983Sweongyo STAILQ_INSERT_TAIL(&sc->sc_tx_inactive, data_cmd, next); 594191983Sweongyo return; 595191983Sweongyo } 596191983Sweongyo 597191983Sweongyo data_cmd->buflen = sizeof(*mem) + sizeof(*led); 598191983Sweongyo 599191983Sweongyo mem->chksum = upgt_chksum_le((uint32_t *)led, 600191983Sweongyo data_cmd->buflen - sizeof(*mem)); 601191983Sweongyo 602191983Sweongyo upgt_bulk_tx(sc, data_cmd); 603191983Sweongyo} 604191983Sweongyo 605191983Sweongyostatic void 606191983Sweongyoupgt_set_led_blink(void *arg) 607191983Sweongyo{ 608191983Sweongyo struct upgt_softc *sc = arg; 609191983Sweongyo 610191983Sweongyo /* blink finished, we are ready for a next one */ 611191983Sweongyo sc->sc_led_blink = 0; 612191983Sweongyo} 613191983Sweongyo 614191983Sweongyostatic void 615191983Sweongyoupgt_init(void *priv) 616191983Sweongyo{ 617191983Sweongyo struct upgt_softc *sc = priv; 618191983Sweongyo struct ifnet *ifp = sc->sc_ifp; 619191983Sweongyo struct ieee80211com *ic = ifp->if_l2com; 620191983Sweongyo 621191983Sweongyo UPGT_LOCK(sc); 622191983Sweongyo upgt_init_locked(sc); 623191983Sweongyo UPGT_UNLOCK(sc); 624191983Sweongyo 625191983Sweongyo if (ifp->if_drv_flags & IFF_DRV_RUNNING) 626191983Sweongyo ieee80211_start_all(ic); /* start all vap's */ 627191983Sweongyo} 628191983Sweongyo 629191983Sweongyostatic void 630191983Sweongyoupgt_init_locked(struct upgt_softc *sc) 631191983Sweongyo{ 632191983Sweongyo struct ifnet *ifp = sc->sc_ifp; 633191983Sweongyo 634191983Sweongyo UPGT_ASSERT_LOCKED(sc); 635191983Sweongyo 636191983Sweongyo if (ifp->if_drv_flags & IFF_DRV_RUNNING) 637191983Sweongyo upgt_stop_locked(sc); 638191983Sweongyo 639194228Sthompsa usbd_transfer_start(sc->sc_xfer[UPGT_BULK_RX]); 640191983Sweongyo 641191983Sweongyo (void)upgt_set_macfilter(sc, IEEE80211_S_SCAN); 642191983Sweongyo 643191983Sweongyo ifp->if_drv_flags &= ~IFF_DRV_OACTIVE; 644191983Sweongyo ifp->if_drv_flags |= IFF_DRV_RUNNING; 645191983Sweongyo sc->sc_flags |= UPGT_FLAG_INITDONE; 646191983Sweongyo 647191983Sweongyo callout_reset(&sc->sc_watchdog_ch, hz, upgt_watchdog, sc); 648191983Sweongyo} 649191983Sweongyo 650191983Sweongyostatic int 651191983Sweongyoupgt_set_macfilter(struct upgt_softc *sc, uint8_t state) 652191983Sweongyo{ 653191983Sweongyo struct ifnet *ifp = sc->sc_ifp; 654191983Sweongyo struct ieee80211com *ic = ifp->if_l2com; 655191983Sweongyo struct ieee80211vap *vap = TAILQ_FIRST(&ic->ic_vaps); 656212131Sthompsa struct ieee80211_node *ni; 657191983Sweongyo struct upgt_data *data_cmd; 658191983Sweongyo struct upgt_lmac_mem *mem; 659191983Sweongyo struct upgt_lmac_filter *filter; 660191983Sweongyo uint8_t broadcast[] = { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff }; 661191983Sweongyo 662191983Sweongyo UPGT_ASSERT_LOCKED(sc); 663191983Sweongyo 664191983Sweongyo data_cmd = upgt_getbuf(sc); 665191983Sweongyo if (data_cmd == NULL) { 666191983Sweongyo device_printf(sc->sc_dev, "out of TX buffers.\n"); 667191983Sweongyo return (ENOBUFS); 668191983Sweongyo } 669191983Sweongyo 670191983Sweongyo /* 671191983Sweongyo * Transmit the URB containing the CMD data. 672191983Sweongyo */ 673191983Sweongyo bzero(data_cmd->buf, MCLBYTES); 674191983Sweongyo 675191983Sweongyo mem = (struct upgt_lmac_mem *)data_cmd->buf; 676191983Sweongyo mem->addr = htole32(sc->sc_memaddr_frame_start + 677191983Sweongyo UPGT_MEMSIZE_FRAME_HEAD); 678191983Sweongyo 679191983Sweongyo filter = (struct upgt_lmac_filter *)(mem + 1); 680191983Sweongyo 681191983Sweongyo filter->header1.flags = UPGT_H1_FLAGS_TX_NO_CALLBACK; 682191983Sweongyo filter->header1.type = UPGT_H1_TYPE_CTRL; 683191983Sweongyo filter->header1.len = htole16( 684191983Sweongyo sizeof(struct upgt_lmac_filter) - 685191983Sweongyo sizeof(struct upgt_lmac_header)); 686191983Sweongyo 687191983Sweongyo filter->header2.reqid = htole32(sc->sc_memaddr_frame_start); 688191983Sweongyo filter->header2.type = htole16(UPGT_H2_TYPE_MACFILTER); 689191983Sweongyo filter->header2.flags = 0; 690191983Sweongyo 691191983Sweongyo switch (state) { 692191983Sweongyo case IEEE80211_S_INIT: 693191983Sweongyo DPRINTF(sc, UPGT_DEBUG_STATE, "%s: set MAC filter to INIT\n", 694191983Sweongyo __func__); 695191983Sweongyo filter->type = htole16(UPGT_FILTER_TYPE_RESET); 696191983Sweongyo break; 697191983Sweongyo case IEEE80211_S_SCAN: 698191983Sweongyo DPRINTF(sc, UPGT_DEBUG_STATE, 699191983Sweongyo "set MAC filter to SCAN (bssid %s)\n", 700191983Sweongyo ether_sprintf(broadcast)); 701191983Sweongyo filter->type = htole16(UPGT_FILTER_TYPE_NONE); 702191983Sweongyo IEEE80211_ADDR_COPY(filter->dst, sc->sc_myaddr); 703191983Sweongyo IEEE80211_ADDR_COPY(filter->src, broadcast); 704191983Sweongyo filter->unknown1 = htole16(UPGT_FILTER_UNKNOWN1); 705191983Sweongyo filter->rxaddr = htole32(sc->sc_memaddr_rx_start); 706191983Sweongyo filter->unknown2 = htole16(UPGT_FILTER_UNKNOWN2); 707191983Sweongyo filter->rxhw = htole32(sc->sc_eeprom_hwrx); 708191983Sweongyo filter->unknown3 = htole16(UPGT_FILTER_UNKNOWN3); 709191983Sweongyo break; 710191983Sweongyo case IEEE80211_S_RUN: 711212127Sthompsa ni = ieee80211_ref_node(vap->iv_bss); 712191983Sweongyo /* XXX monitor mode isn't tested yet. */ 713191983Sweongyo if (vap->iv_opmode == IEEE80211_M_MONITOR) { 714191983Sweongyo filter->type = htole16(UPGT_FILTER_TYPE_MONITOR); 715191983Sweongyo IEEE80211_ADDR_COPY(filter->dst, sc->sc_myaddr); 716191983Sweongyo IEEE80211_ADDR_COPY(filter->src, ni->ni_bssid); 717191983Sweongyo filter->unknown1 = htole16(UPGT_FILTER_MONITOR_UNKNOWN1); 718191983Sweongyo filter->rxaddr = htole32(sc->sc_memaddr_rx_start); 719191983Sweongyo filter->unknown2 = htole16(UPGT_FILTER_MONITOR_UNKNOWN2); 720191983Sweongyo filter->rxhw = htole32(sc->sc_eeprom_hwrx); 721191983Sweongyo filter->unknown3 = htole16(UPGT_FILTER_MONITOR_UNKNOWN3); 722191983Sweongyo } else { 723191983Sweongyo DPRINTF(sc, UPGT_DEBUG_STATE, 724191983Sweongyo "set MAC filter to RUN (bssid %s)\n", 725191983Sweongyo ether_sprintf(ni->ni_bssid)); 726191983Sweongyo filter->type = htole16(UPGT_FILTER_TYPE_STA); 727191983Sweongyo IEEE80211_ADDR_COPY(filter->dst, sc->sc_myaddr); 728191983Sweongyo IEEE80211_ADDR_COPY(filter->src, ni->ni_bssid); 729191983Sweongyo filter->unknown1 = htole16(UPGT_FILTER_UNKNOWN1); 730191983Sweongyo filter->rxaddr = htole32(sc->sc_memaddr_rx_start); 731191983Sweongyo filter->unknown2 = htole16(UPGT_FILTER_UNKNOWN2); 732191983Sweongyo filter->rxhw = htole32(sc->sc_eeprom_hwrx); 733191983Sweongyo filter->unknown3 = htole16(UPGT_FILTER_UNKNOWN3); 734191983Sweongyo } 735212127Sthompsa ieee80211_free_node(ni); 736191983Sweongyo break; 737191983Sweongyo default: 738191983Sweongyo device_printf(sc->sc_dev, 739199816Sthompsa "MAC filter does not know that state\n"); 740191983Sweongyo break; 741191983Sweongyo } 742191983Sweongyo 743191983Sweongyo data_cmd->buflen = sizeof(*mem) + sizeof(*filter); 744191983Sweongyo 745191983Sweongyo mem->chksum = upgt_chksum_le((uint32_t *)filter, 746191983Sweongyo data_cmd->buflen - sizeof(*mem)); 747191983Sweongyo 748191983Sweongyo upgt_bulk_tx(sc, data_cmd); 749191983Sweongyo 750191983Sweongyo return (0); 751191983Sweongyo} 752191983Sweongyo 753191983Sweongyostatic void 754191983Sweongyoupgt_setup_rates(struct ieee80211vap *vap, struct ieee80211com *ic) 755191983Sweongyo{ 756191983Sweongyo struct ifnet *ifp = ic->ic_ifp; 757191983Sweongyo struct upgt_softc *sc = ifp->if_softc; 758191983Sweongyo const struct ieee80211_txparam *tp; 759191983Sweongyo 760191983Sweongyo /* 761191983Sweongyo * 0x01 = OFMD6 0x10 = DS1 762191983Sweongyo * 0x04 = OFDM9 0x11 = DS2 763191983Sweongyo * 0x06 = OFDM12 0x12 = DS5 764191983Sweongyo * 0x07 = OFDM18 0x13 = DS11 765191983Sweongyo * 0x08 = OFDM24 766191983Sweongyo * 0x09 = OFDM36 767191983Sweongyo * 0x0a = OFDM48 768191983Sweongyo * 0x0b = OFDM54 769191983Sweongyo */ 770191983Sweongyo const uint8_t rateset_auto_11b[] = 771191983Sweongyo { 0x13, 0x13, 0x12, 0x11, 0x11, 0x10, 0x10, 0x10 }; 772191983Sweongyo const uint8_t rateset_auto_11g[] = 773191983Sweongyo { 0x0b, 0x0a, 0x09, 0x08, 0x07, 0x06, 0x04, 0x01 }; 774191983Sweongyo const uint8_t rateset_fix_11bg[] = 775191983Sweongyo { 0x10, 0x11, 0x12, 0x13, 0x01, 0x04, 0x06, 0x07, 776191983Sweongyo 0x08, 0x09, 0x0a, 0x0b }; 777191983Sweongyo 778191983Sweongyo tp = &vap->iv_txparms[ieee80211_chan2mode(ic->ic_curchan)]; 779191983Sweongyo 780191983Sweongyo /* XXX */ 781191983Sweongyo if (tp->ucastrate == IEEE80211_FIXED_RATE_NONE) { 782191983Sweongyo /* 783191983Sweongyo * Automatic rate control is done by the device. 784191983Sweongyo * We just pass the rateset from which the device 785191983Sweongyo * will pickup a rate. 786191983Sweongyo */ 787191983Sweongyo if (ic->ic_curmode == IEEE80211_MODE_11B) 788191983Sweongyo bcopy(rateset_auto_11b, sc->sc_cur_rateset, 789191983Sweongyo sizeof(sc->sc_cur_rateset)); 790191983Sweongyo if (ic->ic_curmode == IEEE80211_MODE_11G || 791191983Sweongyo ic->ic_curmode == IEEE80211_MODE_AUTO) 792191983Sweongyo bcopy(rateset_auto_11g, sc->sc_cur_rateset, 793191983Sweongyo sizeof(sc->sc_cur_rateset)); 794191983Sweongyo } else { 795191983Sweongyo /* set a fixed rate */ 796191983Sweongyo memset(sc->sc_cur_rateset, rateset_fix_11bg[tp->ucastrate], 797191983Sweongyo sizeof(sc->sc_cur_rateset)); 798191983Sweongyo } 799191983Sweongyo} 800191983Sweongyo 801191983Sweongyostatic void 802191983Sweongyoupgt_set_multi(void *arg) 803191983Sweongyo{ 804191983Sweongyo struct upgt_softc *sc = arg; 805191983Sweongyo struct ifnet *ifp = sc->sc_ifp; 806191983Sweongyo 807191983Sweongyo if (!(ifp->if_flags & IFF_UP)) 808191983Sweongyo return; 809191983Sweongyo 810191983Sweongyo /* 811191983Sweongyo * XXX don't know how to set a device. Lack of docs. Just try to set 812191983Sweongyo * IFF_ALLMULTI flag here. 813191983Sweongyo */ 814191983Sweongyo ifp->if_flags |= IFF_ALLMULTI; 815191983Sweongyo} 816191983Sweongyo 817191983Sweongyostatic void 818191983Sweongyoupgt_start(struct ifnet *ifp) 819191983Sweongyo{ 820191983Sweongyo struct upgt_softc *sc = ifp->if_softc; 821191983Sweongyo struct upgt_data *data_tx; 822191983Sweongyo struct ieee80211_node *ni; 823191983Sweongyo struct mbuf *m; 824191983Sweongyo 825191983Sweongyo if ((ifp->if_drv_flags & IFF_DRV_RUNNING) == 0) 826191983Sweongyo return; 827191983Sweongyo 828191983Sweongyo UPGT_LOCK(sc); 829191983Sweongyo for (;;) { 830191983Sweongyo IFQ_DRV_DEQUEUE(&ifp->if_snd, m); 831191983Sweongyo if (m == NULL) 832191983Sweongyo break; 833191983Sweongyo 834191983Sweongyo data_tx = upgt_gettxbuf(sc); 835191983Sweongyo if (data_tx == NULL) { 836191983Sweongyo IFQ_DRV_PREPEND(&ifp->if_snd, m); 837191983Sweongyo break; 838191983Sweongyo } 839191983Sweongyo 840191983Sweongyo ni = (struct ieee80211_node *)m->m_pkthdr.rcvif; 841191983Sweongyo m->m_pkthdr.rcvif = NULL; 842191983Sweongyo 843191983Sweongyo if (upgt_tx_start(sc, m, ni, data_tx) != 0) { 844191983Sweongyo STAILQ_INSERT_HEAD(&sc->sc_tx_inactive, data_tx, next); 845191983Sweongyo UPGT_STAT_INC(sc, st_tx_inactive); 846191983Sweongyo ieee80211_free_node(ni); 847191983Sweongyo ifp->if_oerrors++; 848191983Sweongyo continue; 849191983Sweongyo } 850191983Sweongyo sc->sc_tx_timer = 5; 851191983Sweongyo } 852191983Sweongyo UPGT_UNLOCK(sc); 853191983Sweongyo} 854191983Sweongyo 855191983Sweongyostatic int 856191983Sweongyoupgt_raw_xmit(struct ieee80211_node *ni, struct mbuf *m, 857191983Sweongyo const struct ieee80211_bpf_params *params) 858191983Sweongyo{ 859191983Sweongyo struct ieee80211com *ic = ni->ni_ic; 860191983Sweongyo struct ifnet *ifp = ic->ic_ifp; 861191983Sweongyo struct upgt_softc *sc = ifp->if_softc; 862191983Sweongyo struct upgt_data *data_tx = NULL; 863191983Sweongyo 864191983Sweongyo /* prevent management frames from being sent if we're not ready */ 865191983Sweongyo if (!(ifp->if_drv_flags & IFF_DRV_RUNNING)) { 866191983Sweongyo m_freem(m); 867191983Sweongyo ieee80211_free_node(ni); 868191983Sweongyo return ENETDOWN; 869191983Sweongyo } 870191983Sweongyo 871191983Sweongyo UPGT_LOCK(sc); 872191983Sweongyo data_tx = upgt_gettxbuf(sc); 873191983Sweongyo if (data_tx == NULL) { 874191983Sweongyo ieee80211_free_node(ni); 875191983Sweongyo m_freem(m); 876191983Sweongyo UPGT_UNLOCK(sc); 877191983Sweongyo return (ENOBUFS); 878191983Sweongyo } 879191983Sweongyo 880191983Sweongyo if (upgt_tx_start(sc, m, ni, data_tx) != 0) { 881191983Sweongyo STAILQ_INSERT_HEAD(&sc->sc_tx_inactive, data_tx, next); 882191983Sweongyo UPGT_STAT_INC(sc, st_tx_inactive); 883191983Sweongyo ieee80211_free_node(ni); 884191983Sweongyo ifp->if_oerrors++; 885191983Sweongyo UPGT_UNLOCK(sc); 886191983Sweongyo return (EIO); 887191983Sweongyo } 888191983Sweongyo UPGT_UNLOCK(sc); 889191983Sweongyo 890191983Sweongyo sc->sc_tx_timer = 5; 891191983Sweongyo return (0); 892191983Sweongyo} 893191983Sweongyo 894191983Sweongyostatic void 895191983Sweongyoupgt_watchdog(void *arg) 896191983Sweongyo{ 897191983Sweongyo struct upgt_softc *sc = arg; 898191983Sweongyo struct ifnet *ifp = sc->sc_ifp; 899191983Sweongyo 900191983Sweongyo if (sc->sc_tx_timer > 0) { 901191983Sweongyo if (--sc->sc_tx_timer == 0) { 902191983Sweongyo device_printf(sc->sc_dev, "watchdog timeout\n"); 903191983Sweongyo /* upgt_init(ifp); XXX needs a process context ? */ 904191983Sweongyo ifp->if_oerrors++; 905191983Sweongyo return; 906191983Sweongyo } 907191983Sweongyo callout_reset(&sc->sc_watchdog_ch, hz, upgt_watchdog, sc); 908191983Sweongyo } 909191983Sweongyo} 910191983Sweongyo 911191983Sweongyostatic uint32_t 912191983Sweongyoupgt_mem_alloc(struct upgt_softc *sc) 913191983Sweongyo{ 914191983Sweongyo int i; 915191983Sweongyo 916191983Sweongyo for (i = 0; i < sc->sc_memory.pages; i++) { 917191983Sweongyo if (sc->sc_memory.page[i].used == 0) { 918191983Sweongyo sc->sc_memory.page[i].used = 1; 919191983Sweongyo return (sc->sc_memory.page[i].addr); 920191983Sweongyo } 921191983Sweongyo } 922191983Sweongyo 923191983Sweongyo return (0); 924191983Sweongyo} 925191983Sweongyo 926191983Sweongyostatic void 927191983Sweongyoupgt_scan_start(struct ieee80211com *ic) 928191983Sweongyo{ 929191983Sweongyo /* do nothing. */ 930191983Sweongyo} 931191983Sweongyo 932191983Sweongyostatic void 933191983Sweongyoupgt_scan_end(struct ieee80211com *ic) 934191983Sweongyo{ 935191983Sweongyo /* do nothing. */ 936191983Sweongyo} 937191983Sweongyo 938191983Sweongyostatic void 939191983Sweongyoupgt_set_channel(struct ieee80211com *ic) 940191983Sweongyo{ 941191983Sweongyo struct upgt_softc *sc = ic->ic_ifp->if_softc; 942191983Sweongyo 943191983Sweongyo UPGT_LOCK(sc); 944191983Sweongyo upgt_set_chan(sc, ic->ic_curchan); 945191983Sweongyo UPGT_UNLOCK(sc); 946191983Sweongyo} 947191983Sweongyo 948191983Sweongyostatic void 949191983Sweongyoupgt_set_chan(struct upgt_softc *sc, struct ieee80211_channel *c) 950191983Sweongyo{ 951191983Sweongyo struct ifnet *ifp = sc->sc_ifp; 952191983Sweongyo struct ieee80211com *ic = ifp->if_l2com; 953191983Sweongyo struct upgt_data *data_cmd; 954191983Sweongyo struct upgt_lmac_mem *mem; 955191983Sweongyo struct upgt_lmac_channel *chan; 956191983Sweongyo int channel; 957191983Sweongyo 958191983Sweongyo UPGT_ASSERT_LOCKED(sc); 959191983Sweongyo 960191983Sweongyo channel = ieee80211_chan2ieee(ic, c); 961191983Sweongyo if (channel == 0 || channel == IEEE80211_CHAN_ANY) { 962191983Sweongyo /* XXX should NEVER happen */ 963191983Sweongyo device_printf(sc->sc_dev, 964191983Sweongyo "%s: invalid channel %x\n", __func__, channel); 965191983Sweongyo return; 966191983Sweongyo } 967191983Sweongyo 968191983Sweongyo DPRINTF(sc, UPGT_DEBUG_STATE, "%s: channel %d\n", __func__, channel); 969191983Sweongyo 970191983Sweongyo data_cmd = upgt_getbuf(sc); 971191983Sweongyo if (data_cmd == NULL) { 972191983Sweongyo device_printf(sc->sc_dev, "%s: out of buffers.\n", __func__); 973191983Sweongyo return; 974191983Sweongyo } 975191983Sweongyo /* 976191983Sweongyo * Transmit the URB containing the CMD data. 977191983Sweongyo */ 978191983Sweongyo bzero(data_cmd->buf, MCLBYTES); 979191983Sweongyo 980191983Sweongyo mem = (struct upgt_lmac_mem *)data_cmd->buf; 981191983Sweongyo mem->addr = htole32(sc->sc_memaddr_frame_start + 982191983Sweongyo UPGT_MEMSIZE_FRAME_HEAD); 983191983Sweongyo 984191983Sweongyo chan = (struct upgt_lmac_channel *)(mem + 1); 985191983Sweongyo 986191983Sweongyo chan->header1.flags = UPGT_H1_FLAGS_TX_NO_CALLBACK; 987191983Sweongyo chan->header1.type = UPGT_H1_TYPE_CTRL; 988191983Sweongyo chan->header1.len = htole16( 989191983Sweongyo sizeof(struct upgt_lmac_channel) - sizeof(struct upgt_lmac_header)); 990191983Sweongyo 991191983Sweongyo chan->header2.reqid = htole32(sc->sc_memaddr_frame_start); 992191983Sweongyo chan->header2.type = htole16(UPGT_H2_TYPE_CHANNEL); 993191983Sweongyo chan->header2.flags = 0; 994191983Sweongyo 995191983Sweongyo chan->unknown1 = htole16(UPGT_CHANNEL_UNKNOWN1); 996191983Sweongyo chan->unknown2 = htole16(UPGT_CHANNEL_UNKNOWN2); 997191983Sweongyo chan->freq6 = sc->sc_eeprom_freq6[channel]; 998191983Sweongyo chan->settings = sc->sc_eeprom_freq6_settings; 999191983Sweongyo chan->unknown3 = UPGT_CHANNEL_UNKNOWN3; 1000191983Sweongyo 1001191983Sweongyo bcopy(&sc->sc_eeprom_freq3[channel].data, chan->freq3_1, 1002191983Sweongyo sizeof(chan->freq3_1)); 1003191983Sweongyo bcopy(&sc->sc_eeprom_freq4[channel], chan->freq4, 1004191983Sweongyo sizeof(sc->sc_eeprom_freq4[channel])); 1005191983Sweongyo bcopy(&sc->sc_eeprom_freq3[channel].data, chan->freq3_2, 1006191983Sweongyo sizeof(chan->freq3_2)); 1007191983Sweongyo 1008191983Sweongyo data_cmd->buflen = sizeof(*mem) + sizeof(*chan); 1009191983Sweongyo 1010191983Sweongyo mem->chksum = upgt_chksum_le((uint32_t *)chan, 1011191983Sweongyo data_cmd->buflen - sizeof(*mem)); 1012191983Sweongyo 1013191983Sweongyo upgt_bulk_tx(sc, data_cmd); 1014191983Sweongyo} 1015191983Sweongyo 1016191983Sweongyostatic struct ieee80211vap * 1017191983Sweongyoupgt_vap_create(struct ieee80211com *ic, 1018191983Sweongyo const char name[IFNAMSIZ], int unit, int opmode, int flags, 1019191983Sweongyo const uint8_t bssid[IEEE80211_ADDR_LEN], 1020191983Sweongyo const uint8_t mac[IEEE80211_ADDR_LEN]) 1021191983Sweongyo{ 1022191983Sweongyo struct upgt_vap *uvp; 1023191983Sweongyo struct ieee80211vap *vap; 1024191983Sweongyo 1025191983Sweongyo if (!TAILQ_EMPTY(&ic->ic_vaps)) /* only one at a time */ 1026191983Sweongyo return NULL; 1027191983Sweongyo uvp = (struct upgt_vap *) malloc(sizeof(struct upgt_vap), 1028191983Sweongyo M_80211_VAP, M_NOWAIT | M_ZERO); 1029191983Sweongyo if (uvp == NULL) 1030191983Sweongyo return NULL; 1031191983Sweongyo vap = &uvp->vap; 1032191983Sweongyo /* enable s/w bmiss handling for sta mode */ 1033191983Sweongyo ieee80211_vap_setup(ic, vap, name, unit, opmode, 1034191983Sweongyo flags | IEEE80211_CLONE_NOBEACONS, bssid, mac); 1035191983Sweongyo 1036191983Sweongyo /* override state transition machine */ 1037191983Sweongyo uvp->newstate = vap->iv_newstate; 1038191983Sweongyo vap->iv_newstate = upgt_newstate; 1039191983Sweongyo 1040191983Sweongyo /* setup device rates */ 1041191983Sweongyo upgt_setup_rates(vap, ic); 1042191983Sweongyo 1043191983Sweongyo /* complete setup */ 1044191983Sweongyo ieee80211_vap_attach(vap, ieee80211_media_change, 1045191983Sweongyo ieee80211_media_status); 1046191983Sweongyo ic->ic_opmode = opmode; 1047191983Sweongyo return vap; 1048191983Sweongyo} 1049191983Sweongyo 1050191983Sweongyostatic int 1051191983Sweongyoupgt_newstate(struct ieee80211vap *vap, enum ieee80211_state nstate, int arg) 1052191983Sweongyo{ 1053191983Sweongyo struct upgt_vap *uvp = UPGT_VAP(vap); 1054191983Sweongyo struct ieee80211com *ic = vap->iv_ic; 1055191983Sweongyo struct upgt_softc *sc = ic->ic_ifp->if_softc; 1056191983Sweongyo 1057191983Sweongyo /* do it in a process context */ 1058191983Sweongyo sc->sc_state = nstate; 1059191983Sweongyo 1060191983Sweongyo IEEE80211_UNLOCK(ic); 1061191983Sweongyo UPGT_LOCK(sc); 1062191983Sweongyo callout_stop(&sc->sc_led_ch); 1063191983Sweongyo callout_stop(&sc->sc_watchdog_ch); 1064191983Sweongyo 1065191983Sweongyo switch (nstate) { 1066191983Sweongyo case IEEE80211_S_INIT: 1067191983Sweongyo /* do not accept any frames if the device is down */ 1068191983Sweongyo (void)upgt_set_macfilter(sc, sc->sc_state); 1069191983Sweongyo upgt_set_led(sc, UPGT_LED_OFF); 1070191983Sweongyo break; 1071191983Sweongyo case IEEE80211_S_SCAN: 1072191983Sweongyo upgt_set_chan(sc, ic->ic_curchan); 1073191983Sweongyo break; 1074191983Sweongyo case IEEE80211_S_AUTH: 1075191983Sweongyo upgt_set_chan(sc, ic->ic_curchan); 1076191983Sweongyo break; 1077191983Sweongyo case IEEE80211_S_ASSOC: 1078191983Sweongyo break; 1079191983Sweongyo case IEEE80211_S_RUN: 1080191983Sweongyo upgt_set_macfilter(sc, sc->sc_state); 1081191983Sweongyo upgt_set_led(sc, UPGT_LED_ON); 1082191983Sweongyo break; 1083191983Sweongyo default: 1084191983Sweongyo break; 1085191983Sweongyo } 1086191983Sweongyo UPGT_UNLOCK(sc); 1087191983Sweongyo IEEE80211_LOCK(ic); 1088191983Sweongyo return (uvp->newstate(vap, nstate, arg)); 1089191983Sweongyo} 1090191983Sweongyo 1091191983Sweongyostatic void 1092191983Sweongyoupgt_vap_delete(struct ieee80211vap *vap) 1093191983Sweongyo{ 1094191983Sweongyo struct upgt_vap *uvp = UPGT_VAP(vap); 1095191983Sweongyo 1096191983Sweongyo ieee80211_vap_detach(vap); 1097191983Sweongyo free(uvp, M_80211_VAP); 1098191983Sweongyo} 1099191983Sweongyo 1100191983Sweongyostatic void 1101191983Sweongyoupgt_update_mcast(struct ifnet *ifp) 1102191983Sweongyo{ 1103191983Sweongyo struct upgt_softc *sc = ifp->if_softc; 1104191983Sweongyo 1105191983Sweongyo upgt_set_multi(sc); 1106191983Sweongyo} 1107191983Sweongyo 1108191983Sweongyostatic int 1109191983Sweongyoupgt_eeprom_parse(struct upgt_softc *sc) 1110191983Sweongyo{ 1111191983Sweongyo struct upgt_eeprom_header *eeprom_header; 1112191983Sweongyo struct upgt_eeprom_option *eeprom_option; 1113191983Sweongyo uint16_t option_len; 1114191983Sweongyo uint16_t option_type; 1115191983Sweongyo uint16_t preamble_len; 1116191983Sweongyo int option_end = 0; 1117191983Sweongyo 1118191983Sweongyo /* calculate eeprom options start offset */ 1119191983Sweongyo eeprom_header = (struct upgt_eeprom_header *)sc->sc_eeprom; 1120191983Sweongyo preamble_len = le16toh(eeprom_header->preamble_len); 1121191983Sweongyo eeprom_option = (struct upgt_eeprom_option *)(sc->sc_eeprom + 1122191983Sweongyo (sizeof(struct upgt_eeprom_header) + preamble_len)); 1123191983Sweongyo 1124191983Sweongyo while (!option_end) { 1125191983Sweongyo /* the eeprom option length is stored in words */ 1126191983Sweongyo option_len = 1127191983Sweongyo (le16toh(eeprom_option->len) - 1) * sizeof(uint16_t); 1128191983Sweongyo option_type = 1129191983Sweongyo le16toh(eeprom_option->type); 1130191983Sweongyo 1131191983Sweongyo switch (option_type) { 1132191983Sweongyo case UPGT_EEPROM_TYPE_NAME: 1133191983Sweongyo DPRINTF(sc, UPGT_DEBUG_FW, 1134191983Sweongyo "EEPROM name len=%d\n", option_len); 1135191983Sweongyo break; 1136191983Sweongyo case UPGT_EEPROM_TYPE_SERIAL: 1137191983Sweongyo DPRINTF(sc, UPGT_DEBUG_FW, 1138191983Sweongyo "EEPROM serial len=%d\n", option_len); 1139191983Sweongyo break; 1140191983Sweongyo case UPGT_EEPROM_TYPE_MAC: 1141191983Sweongyo DPRINTF(sc, UPGT_DEBUG_FW, 1142191983Sweongyo "EEPROM mac len=%d\n", option_len); 1143191983Sweongyo 1144191983Sweongyo IEEE80211_ADDR_COPY(sc->sc_myaddr, eeprom_option->data); 1145191983Sweongyo break; 1146191983Sweongyo case UPGT_EEPROM_TYPE_HWRX: 1147191983Sweongyo DPRINTF(sc, UPGT_DEBUG_FW, 1148191983Sweongyo "EEPROM hwrx len=%d\n", option_len); 1149191983Sweongyo 1150191983Sweongyo upgt_eeprom_parse_hwrx(sc, eeprom_option->data); 1151191983Sweongyo break; 1152191983Sweongyo case UPGT_EEPROM_TYPE_CHIP: 1153191983Sweongyo DPRINTF(sc, UPGT_DEBUG_FW, 1154191983Sweongyo "EEPROM chip len=%d\n", option_len); 1155191983Sweongyo break; 1156191983Sweongyo case UPGT_EEPROM_TYPE_FREQ3: 1157191983Sweongyo DPRINTF(sc, UPGT_DEBUG_FW, 1158191983Sweongyo "EEPROM freq3 len=%d\n", option_len); 1159191983Sweongyo 1160191983Sweongyo upgt_eeprom_parse_freq3(sc, eeprom_option->data, 1161191983Sweongyo option_len); 1162191983Sweongyo break; 1163191983Sweongyo case UPGT_EEPROM_TYPE_FREQ4: 1164191983Sweongyo DPRINTF(sc, UPGT_DEBUG_FW, 1165191983Sweongyo "EEPROM freq4 len=%d\n", option_len); 1166191983Sweongyo 1167191983Sweongyo upgt_eeprom_parse_freq4(sc, eeprom_option->data, 1168191983Sweongyo option_len); 1169191983Sweongyo break; 1170191983Sweongyo case UPGT_EEPROM_TYPE_FREQ5: 1171191983Sweongyo DPRINTF(sc, UPGT_DEBUG_FW, 1172191983Sweongyo "EEPROM freq5 len=%d\n", option_len); 1173191983Sweongyo break; 1174191983Sweongyo case UPGT_EEPROM_TYPE_FREQ6: 1175191983Sweongyo DPRINTF(sc, UPGT_DEBUG_FW, 1176191983Sweongyo "EEPROM freq6 len=%d\n", option_len); 1177191983Sweongyo 1178191983Sweongyo upgt_eeprom_parse_freq6(sc, eeprom_option->data, 1179191983Sweongyo option_len); 1180191983Sweongyo break; 1181191983Sweongyo case UPGT_EEPROM_TYPE_END: 1182191983Sweongyo DPRINTF(sc, UPGT_DEBUG_FW, 1183191983Sweongyo "EEPROM end len=%d\n", option_len); 1184191983Sweongyo option_end = 1; 1185191983Sweongyo break; 1186191983Sweongyo case UPGT_EEPROM_TYPE_OFF: 1187191983Sweongyo DPRINTF(sc, UPGT_DEBUG_FW, 1188199816Sthompsa "%s: EEPROM off without end option\n", __func__); 1189191983Sweongyo return (EIO); 1190191983Sweongyo default: 1191191983Sweongyo DPRINTF(sc, UPGT_DEBUG_FW, 1192191983Sweongyo "EEPROM unknown type 0x%04x len=%d\n", 1193191983Sweongyo option_type, option_len); 1194191983Sweongyo break; 1195191983Sweongyo } 1196191983Sweongyo 1197191983Sweongyo /* jump to next EEPROM option */ 1198191983Sweongyo eeprom_option = (struct upgt_eeprom_option *) 1199191983Sweongyo (eeprom_option->data + option_len); 1200191983Sweongyo } 1201191983Sweongyo 1202191983Sweongyo return (0); 1203191983Sweongyo} 1204191983Sweongyo 1205191983Sweongyostatic void 1206191983Sweongyoupgt_eeprom_parse_freq3(struct upgt_softc *sc, uint8_t *data, int len) 1207191983Sweongyo{ 1208191983Sweongyo struct upgt_eeprom_freq3_header *freq3_header; 1209191983Sweongyo struct upgt_lmac_freq3 *freq3; 1210191983Sweongyo int i, elements, flags; 1211191983Sweongyo unsigned channel; 1212191983Sweongyo 1213191983Sweongyo freq3_header = (struct upgt_eeprom_freq3_header *)data; 1214191983Sweongyo freq3 = (struct upgt_lmac_freq3 *)(freq3_header + 1); 1215191983Sweongyo 1216191983Sweongyo flags = freq3_header->flags; 1217191983Sweongyo elements = freq3_header->elements; 1218191983Sweongyo 1219191983Sweongyo DPRINTF(sc, UPGT_DEBUG_FW, "flags=0x%02x elements=%d\n", 1220191983Sweongyo flags, elements); 1221191983Sweongyo 1222191983Sweongyo for (i = 0; i < elements; i++) { 1223191983Sweongyo channel = ieee80211_mhz2ieee(le16toh(freq3[i].freq), 0); 1224191983Sweongyo if (!(channel >= 0 && channel < IEEE80211_CHAN_MAX)) 1225191983Sweongyo continue; 1226191983Sweongyo 1227191983Sweongyo sc->sc_eeprom_freq3[channel] = freq3[i]; 1228191983Sweongyo 1229191983Sweongyo DPRINTF(sc, UPGT_DEBUG_FW, "frequence=%d, channel=%d\n", 1230191983Sweongyo le16toh(sc->sc_eeprom_freq3[channel].freq), channel); 1231191983Sweongyo } 1232191983Sweongyo} 1233191983Sweongyo 1234191983Sweongyovoid 1235191983Sweongyoupgt_eeprom_parse_freq4(struct upgt_softc *sc, uint8_t *data, int len) 1236191983Sweongyo{ 1237191983Sweongyo struct upgt_eeprom_freq4_header *freq4_header; 1238191983Sweongyo struct upgt_eeprom_freq4_1 *freq4_1; 1239191983Sweongyo struct upgt_eeprom_freq4_2 *freq4_2; 1240191983Sweongyo int i, j, elements, settings, flags; 1241191983Sweongyo unsigned channel; 1242191983Sweongyo 1243191983Sweongyo freq4_header = (struct upgt_eeprom_freq4_header *)data; 1244191983Sweongyo freq4_1 = (struct upgt_eeprom_freq4_1 *)(freq4_header + 1); 1245191983Sweongyo flags = freq4_header->flags; 1246191983Sweongyo elements = freq4_header->elements; 1247191983Sweongyo settings = freq4_header->settings; 1248191983Sweongyo 1249191983Sweongyo /* we need this value later */ 1250191983Sweongyo sc->sc_eeprom_freq6_settings = freq4_header->settings; 1251191983Sweongyo 1252191983Sweongyo DPRINTF(sc, UPGT_DEBUG_FW, "flags=0x%02x elements=%d settings=%d\n", 1253191983Sweongyo flags, elements, settings); 1254191983Sweongyo 1255191983Sweongyo for (i = 0; i < elements; i++) { 1256191983Sweongyo channel = ieee80211_mhz2ieee(le16toh(freq4_1[i].freq), 0); 1257191983Sweongyo if (!(channel >= 0 && channel < IEEE80211_CHAN_MAX)) 1258191983Sweongyo continue; 1259191983Sweongyo 1260191983Sweongyo freq4_2 = (struct upgt_eeprom_freq4_2 *)freq4_1[i].data; 1261191983Sweongyo for (j = 0; j < settings; j++) { 1262191983Sweongyo sc->sc_eeprom_freq4[channel][j].cmd = freq4_2[j]; 1263191983Sweongyo sc->sc_eeprom_freq4[channel][j].pad = 0; 1264191983Sweongyo } 1265191983Sweongyo 1266191983Sweongyo DPRINTF(sc, UPGT_DEBUG_FW, "frequence=%d, channel=%d\n", 1267191983Sweongyo le16toh(freq4_1[i].freq), channel); 1268191983Sweongyo } 1269191983Sweongyo} 1270191983Sweongyo 1271191983Sweongyovoid 1272191983Sweongyoupgt_eeprom_parse_freq6(struct upgt_softc *sc, uint8_t *data, int len) 1273191983Sweongyo{ 1274191983Sweongyo struct upgt_lmac_freq6 *freq6; 1275191983Sweongyo int i, elements; 1276191983Sweongyo unsigned channel; 1277191983Sweongyo 1278191983Sweongyo freq6 = (struct upgt_lmac_freq6 *)data; 1279191983Sweongyo elements = len / sizeof(struct upgt_lmac_freq6); 1280191983Sweongyo 1281191983Sweongyo DPRINTF(sc, UPGT_DEBUG_FW, "elements=%d\n", elements); 1282191983Sweongyo 1283191983Sweongyo for (i = 0; i < elements; i++) { 1284191983Sweongyo channel = ieee80211_mhz2ieee(le16toh(freq6[i].freq), 0); 1285191983Sweongyo if (!(channel >= 0 && channel < IEEE80211_CHAN_MAX)) 1286191983Sweongyo continue; 1287191983Sweongyo 1288191983Sweongyo sc->sc_eeprom_freq6[channel] = freq6[i]; 1289191983Sweongyo 1290191983Sweongyo DPRINTF(sc, UPGT_DEBUG_FW, "frequence=%d, channel=%d\n", 1291191983Sweongyo le16toh(sc->sc_eeprom_freq6[channel].freq), channel); 1292191983Sweongyo } 1293191983Sweongyo} 1294191983Sweongyo 1295191983Sweongyostatic void 1296191983Sweongyoupgt_eeprom_parse_hwrx(struct upgt_softc *sc, uint8_t *data) 1297191983Sweongyo{ 1298191983Sweongyo struct upgt_eeprom_option_hwrx *option_hwrx; 1299191983Sweongyo 1300191983Sweongyo option_hwrx = (struct upgt_eeprom_option_hwrx *)data; 1301191983Sweongyo 1302191983Sweongyo sc->sc_eeprom_hwrx = option_hwrx->rxfilter - UPGT_EEPROM_RX_CONST; 1303191983Sweongyo 1304191983Sweongyo DPRINTF(sc, UPGT_DEBUG_FW, "hwrx option value=0x%04x\n", 1305191983Sweongyo sc->sc_eeprom_hwrx); 1306191983Sweongyo} 1307191983Sweongyo 1308191983Sweongyostatic int 1309191983Sweongyoupgt_eeprom_read(struct upgt_softc *sc) 1310191983Sweongyo{ 1311191983Sweongyo struct upgt_data *data_cmd; 1312191983Sweongyo struct upgt_lmac_mem *mem; 1313191983Sweongyo struct upgt_lmac_eeprom *eeprom; 1314191983Sweongyo int block, error, offset; 1315191983Sweongyo 1316191983Sweongyo UPGT_LOCK(sc); 1317194228Sthompsa usb_pause_mtx(&sc->sc_mtx, 100); 1318191983Sweongyo 1319191983Sweongyo offset = 0; 1320191983Sweongyo block = UPGT_EEPROM_BLOCK_SIZE; 1321191983Sweongyo while (offset < UPGT_EEPROM_SIZE) { 1322191983Sweongyo DPRINTF(sc, UPGT_DEBUG_FW, 1323191983Sweongyo "request EEPROM block (offset=%d, len=%d)\n", offset, block); 1324191983Sweongyo 1325191983Sweongyo data_cmd = upgt_getbuf(sc); 1326191983Sweongyo if (data_cmd == NULL) { 1327191983Sweongyo UPGT_UNLOCK(sc); 1328191983Sweongyo return (ENOBUFS); 1329191983Sweongyo } 1330191983Sweongyo 1331191983Sweongyo /* 1332191983Sweongyo * Transmit the URB containing the CMD data. 1333191983Sweongyo */ 1334191983Sweongyo bzero(data_cmd->buf, MCLBYTES); 1335191983Sweongyo 1336191983Sweongyo mem = (struct upgt_lmac_mem *)data_cmd->buf; 1337191983Sweongyo mem->addr = htole32(sc->sc_memaddr_frame_start + 1338191983Sweongyo UPGT_MEMSIZE_FRAME_HEAD); 1339191983Sweongyo 1340191983Sweongyo eeprom = (struct upgt_lmac_eeprom *)(mem + 1); 1341191983Sweongyo eeprom->header1.flags = 0; 1342191983Sweongyo eeprom->header1.type = UPGT_H1_TYPE_CTRL; 1343191983Sweongyo eeprom->header1.len = htole16(( 1344191983Sweongyo sizeof(struct upgt_lmac_eeprom) - 1345191983Sweongyo sizeof(struct upgt_lmac_header)) + block); 1346191983Sweongyo 1347191983Sweongyo eeprom->header2.reqid = htole32(sc->sc_memaddr_frame_start); 1348191983Sweongyo eeprom->header2.type = htole16(UPGT_H2_TYPE_EEPROM); 1349191983Sweongyo eeprom->header2.flags = 0; 1350191983Sweongyo 1351191983Sweongyo eeprom->offset = htole16(offset); 1352191983Sweongyo eeprom->len = htole16(block); 1353191983Sweongyo 1354191983Sweongyo data_cmd->buflen = sizeof(*mem) + sizeof(*eeprom) + block; 1355191983Sweongyo 1356191983Sweongyo mem->chksum = upgt_chksum_le((uint32_t *)eeprom, 1357191983Sweongyo data_cmd->buflen - sizeof(*mem)); 1358191983Sweongyo upgt_bulk_tx(sc, data_cmd); 1359191983Sweongyo 1360191983Sweongyo error = mtx_sleep(sc, &sc->sc_mtx, 0, "eeprom_request", hz); 1361191983Sweongyo if (error != 0) { 1362191983Sweongyo device_printf(sc->sc_dev, 1363199816Sthompsa "timeout while waiting for EEPROM data\n"); 1364191983Sweongyo UPGT_UNLOCK(sc); 1365191983Sweongyo return (EIO); 1366191983Sweongyo } 1367191983Sweongyo 1368191983Sweongyo offset += block; 1369191983Sweongyo if (UPGT_EEPROM_SIZE - offset < block) 1370191983Sweongyo block = UPGT_EEPROM_SIZE - offset; 1371191983Sweongyo } 1372191983Sweongyo 1373191983Sweongyo UPGT_UNLOCK(sc); 1374191983Sweongyo return (0); 1375191983Sweongyo} 1376191983Sweongyo 1377191983Sweongyo/* 1378191983Sweongyo * When a rx data came in the function returns a mbuf and a rssi values. 1379191983Sweongyo */ 1380191983Sweongyostatic struct mbuf * 1381192984Sthompsaupgt_rxeof(struct usb_xfer *xfer, struct upgt_data *data, int *rssi) 1382191983Sweongyo{ 1383191983Sweongyo struct mbuf *m = NULL; 1384194677Sthompsa struct upgt_softc *sc = usbd_xfer_softc(xfer); 1385191983Sweongyo struct upgt_lmac_header *header; 1386191983Sweongyo struct upgt_lmac_eeprom *eeprom; 1387191983Sweongyo uint8_t h1_type; 1388191983Sweongyo uint16_t h2_type; 1389194677Sthompsa int actlen, sumlen; 1390191983Sweongyo 1391194677Sthompsa usbd_xfer_status(xfer, &actlen, &sumlen, NULL, NULL); 1392194677Sthompsa 1393191983Sweongyo UPGT_ASSERT_LOCKED(sc); 1394191983Sweongyo 1395194677Sthompsa if (actlen < 1) 1396191983Sweongyo return (NULL); 1397191983Sweongyo 1398191983Sweongyo /* Check only at the very beginning. */ 1399191983Sweongyo if (!(sc->sc_flags & UPGT_FLAG_FWLOADED) && 1400191983Sweongyo (memcmp(data->buf, "OK", 2) == 0)) { 1401191983Sweongyo sc->sc_flags |= UPGT_FLAG_FWLOADED; 1402191983Sweongyo wakeup_one(sc); 1403191983Sweongyo return (NULL); 1404191983Sweongyo } 1405191983Sweongyo 1406194677Sthompsa if (actlen < UPGT_RX_MINSZ) 1407191983Sweongyo return (NULL); 1408191983Sweongyo 1409191983Sweongyo /* 1410191983Sweongyo * Check what type of frame came in. 1411191983Sweongyo */ 1412191983Sweongyo header = (struct upgt_lmac_header *)(data->buf + 4); 1413191983Sweongyo 1414191983Sweongyo h1_type = header->header1.type; 1415191983Sweongyo h2_type = le16toh(header->header2.type); 1416191983Sweongyo 1417191983Sweongyo if (h1_type == UPGT_H1_TYPE_CTRL && h2_type == UPGT_H2_TYPE_EEPROM) { 1418191983Sweongyo eeprom = (struct upgt_lmac_eeprom *)(data->buf + 4); 1419191983Sweongyo uint16_t eeprom_offset = le16toh(eeprom->offset); 1420191983Sweongyo uint16_t eeprom_len = le16toh(eeprom->len); 1421191983Sweongyo 1422191983Sweongyo DPRINTF(sc, UPGT_DEBUG_FW, 1423191983Sweongyo "received EEPROM block (offset=%d, len=%d)\n", 1424191983Sweongyo eeprom_offset, eeprom_len); 1425191983Sweongyo 1426191983Sweongyo bcopy(data->buf + sizeof(struct upgt_lmac_eeprom) + 4, 1427191983Sweongyo sc->sc_eeprom + eeprom_offset, eeprom_len); 1428191983Sweongyo 1429191983Sweongyo /* EEPROM data has arrived in time, wakeup. */ 1430191983Sweongyo wakeup(sc); 1431191983Sweongyo } else if (h1_type == UPGT_H1_TYPE_CTRL && 1432191983Sweongyo h2_type == UPGT_H2_TYPE_TX_DONE) { 1433191983Sweongyo DPRINTF(sc, UPGT_DEBUG_XMIT, "%s: received 802.11 TX done\n", 1434191983Sweongyo __func__); 1435191983Sweongyo upgt_tx_done(sc, data->buf + 4); 1436191983Sweongyo } else if (h1_type == UPGT_H1_TYPE_RX_DATA || 1437191983Sweongyo h1_type == UPGT_H1_TYPE_RX_DATA_MGMT) { 1438191983Sweongyo DPRINTF(sc, UPGT_DEBUG_RECV, "%s: received 802.11 RX data\n", 1439191983Sweongyo __func__); 1440191983Sweongyo m = upgt_rx(sc, data->buf + 4, le16toh(header->header1.len), 1441191983Sweongyo rssi); 1442191983Sweongyo } else if (h1_type == UPGT_H1_TYPE_CTRL && 1443191983Sweongyo h2_type == UPGT_H2_TYPE_STATS) { 1444191983Sweongyo DPRINTF(sc, UPGT_DEBUG_STAT, "%s: received statistic data\n", 1445191983Sweongyo __func__); 1446191983Sweongyo /* TODO: what could we do with the statistic data? */ 1447191983Sweongyo } else { 1448191983Sweongyo /* ignore unknown frame types */ 1449191983Sweongyo DPRINTF(sc, UPGT_DEBUG_INTR, 1450191983Sweongyo "received unknown frame type 0x%02x\n", 1451191983Sweongyo header->header1.type); 1452191983Sweongyo } 1453191983Sweongyo return (m); 1454191983Sweongyo} 1455191983Sweongyo 1456191983Sweongyo/* 1457191983Sweongyo * The firmware awaits a checksum for each frame we send to it. 1458191983Sweongyo * The algorithm used therefor is uncommon but somehow similar to CRC32. 1459191983Sweongyo */ 1460191983Sweongyostatic uint32_t 1461191983Sweongyoupgt_chksum_le(const uint32_t *buf, size_t size) 1462191983Sweongyo{ 1463191983Sweongyo int i; 1464191983Sweongyo uint32_t crc = 0; 1465191983Sweongyo 1466191983Sweongyo for (i = 0; i < size; i += sizeof(uint32_t)) { 1467191983Sweongyo crc = htole32(crc ^ *buf++); 1468191983Sweongyo crc = htole32((crc >> 5) ^ (crc << 3)); 1469191983Sweongyo } 1470191983Sweongyo 1471191983Sweongyo return (crc); 1472191983Sweongyo} 1473191983Sweongyo 1474191983Sweongyostatic struct mbuf * 1475191983Sweongyoupgt_rx(struct upgt_softc *sc, uint8_t *data, int pkglen, int *rssi) 1476191983Sweongyo{ 1477191983Sweongyo struct ifnet *ifp = sc->sc_ifp; 1478191983Sweongyo struct ieee80211com *ic = ifp->if_l2com; 1479191983Sweongyo struct upgt_lmac_rx_desc *rxdesc; 1480191983Sweongyo struct mbuf *m; 1481191983Sweongyo 1482191983Sweongyo /* 1483191983Sweongyo * don't pass packets to the ieee80211 framework if the driver isn't 1484191983Sweongyo * RUNNING. 1485191983Sweongyo */ 1486191983Sweongyo if (!(ifp->if_drv_flags & IFF_DRV_RUNNING)) 1487191983Sweongyo return (NULL); 1488191983Sweongyo 1489191983Sweongyo /* access RX packet descriptor */ 1490191983Sweongyo rxdesc = (struct upgt_lmac_rx_desc *)data; 1491191983Sweongyo 1492191983Sweongyo /* create mbuf which is suitable for strict alignment archs */ 1493191983Sweongyo KASSERT((pkglen + ETHER_ALIGN) < MCLBYTES, 1494191983Sweongyo ("A current mbuf storage is small (%d)", pkglen + ETHER_ALIGN)); 1495191983Sweongyo m = m_getcl(M_DONTWAIT, MT_DATA, M_PKTHDR); 1496191983Sweongyo if (m == NULL) { 1497199816Sthompsa device_printf(sc->sc_dev, "could not create RX mbuf\n"); 1498191983Sweongyo return (NULL); 1499191983Sweongyo } 1500191983Sweongyo m_adj(m, ETHER_ALIGN); 1501191983Sweongyo bcopy(rxdesc->data, mtod(m, char *), pkglen); 1502191983Sweongyo /* trim FCS */ 1503191983Sweongyo m->m_len = m->m_pkthdr.len = pkglen - IEEE80211_CRC_LEN; 1504191983Sweongyo m->m_pkthdr.rcvif = ifp; 1505191983Sweongyo 1506192468Ssam if (ieee80211_radiotap_active(ic)) { 1507191983Sweongyo struct upgt_rx_radiotap_header *tap = &sc->sc_rxtap; 1508191983Sweongyo 1509191983Sweongyo tap->wr_flags = 0; 1510191983Sweongyo tap->wr_rate = upgt_rx_rate(sc, rxdesc->rate); 1511191983Sweongyo tap->wr_antsignal = rxdesc->rssi; 1512191983Sweongyo } 1513191983Sweongyo ifp->if_ipackets++; 1514191983Sweongyo 1515191983Sweongyo DPRINTF(sc, UPGT_DEBUG_RX_PROC, "%s: RX done\n", __func__); 1516191983Sweongyo *rssi = rxdesc->rssi; 1517191983Sweongyo return (m); 1518191983Sweongyo} 1519191983Sweongyo 1520191983Sweongyostatic uint8_t 1521191983Sweongyoupgt_rx_rate(struct upgt_softc *sc, const int rate) 1522191983Sweongyo{ 1523191983Sweongyo struct ifnet *ifp = sc->sc_ifp; 1524191983Sweongyo struct ieee80211com *ic = ifp->if_l2com; 1525191983Sweongyo static const uint8_t cck_upgt2rate[4] = { 2, 4, 11, 22 }; 1526191983Sweongyo static const uint8_t ofdm_upgt2rate[12] = 1527191983Sweongyo { 2, 4, 11, 22, 12, 18, 24, 36, 48, 72, 96, 108 }; 1528191983Sweongyo 1529191983Sweongyo if (ic->ic_curmode == IEEE80211_MODE_11B && 1530191983Sweongyo !(rate < 0 || rate > 3)) 1531191983Sweongyo return cck_upgt2rate[rate & 0xf]; 1532191983Sweongyo 1533191983Sweongyo if (ic->ic_curmode == IEEE80211_MODE_11G && 1534191983Sweongyo !(rate < 0 || rate > 11)) 1535191983Sweongyo return ofdm_upgt2rate[rate & 0xf]; 1536191983Sweongyo 1537191983Sweongyo return (0); 1538191983Sweongyo} 1539191983Sweongyo 1540191983Sweongyostatic void 1541191983Sweongyoupgt_tx_done(struct upgt_softc *sc, uint8_t *data) 1542191983Sweongyo{ 1543191983Sweongyo struct ifnet *ifp = sc->sc_ifp; 1544191983Sweongyo struct upgt_lmac_tx_done_desc *desc; 1545191983Sweongyo int i, freed = 0; 1546191983Sweongyo 1547191983Sweongyo UPGT_ASSERT_LOCKED(sc); 1548191983Sweongyo 1549191983Sweongyo desc = (struct upgt_lmac_tx_done_desc *)data; 1550191983Sweongyo 1551191983Sweongyo for (i = 0; i < UPGT_TX_MAXCOUNT; i++) { 1552191983Sweongyo struct upgt_data *data_tx = &sc->sc_tx_data[i]; 1553191983Sweongyo 1554191983Sweongyo if (data_tx->addr == le32toh(desc->header2.reqid)) { 1555191983Sweongyo upgt_mem_free(sc, data_tx->addr); 1556191983Sweongyo data_tx->ni = NULL; 1557191983Sweongyo data_tx->addr = 0; 1558191983Sweongyo data_tx->m = NULL; 1559191983Sweongyo data_tx->use = 0; 1560191983Sweongyo 1561191983Sweongyo DPRINTF(sc, UPGT_DEBUG_TX_PROC, 1562191983Sweongyo "TX done: memaddr=0x%08x, status=0x%04x, rssi=%d, ", 1563191983Sweongyo le32toh(desc->header2.reqid), 1564191983Sweongyo le16toh(desc->status), le16toh(desc->rssi)); 1565191983Sweongyo DPRINTF(sc, UPGT_DEBUG_TX_PROC, "seq=%d\n", 1566191983Sweongyo le16toh(desc->seq)); 1567191983Sweongyo 1568191983Sweongyo freed++; 1569191983Sweongyo } 1570191983Sweongyo } 1571191983Sweongyo 1572191983Sweongyo if (freed != 0) { 1573191983Sweongyo sc->sc_tx_timer = 0; 1574191983Sweongyo ifp->if_drv_flags &= ~IFF_DRV_OACTIVE; 1575191983Sweongyo UPGT_UNLOCK(sc); 1576191983Sweongyo upgt_start(ifp); 1577191983Sweongyo UPGT_LOCK(sc); 1578191983Sweongyo } 1579191983Sweongyo} 1580191983Sweongyo 1581191983Sweongyostatic void 1582191983Sweongyoupgt_mem_free(struct upgt_softc *sc, uint32_t addr) 1583191983Sweongyo{ 1584191983Sweongyo int i; 1585191983Sweongyo 1586191983Sweongyo for (i = 0; i < sc->sc_memory.pages; i++) { 1587191983Sweongyo if (sc->sc_memory.page[i].addr == addr) { 1588191983Sweongyo sc->sc_memory.page[i].used = 0; 1589191983Sweongyo return; 1590191983Sweongyo } 1591191983Sweongyo } 1592191983Sweongyo 1593191983Sweongyo device_printf(sc->sc_dev, 1594199816Sthompsa "could not free memory address 0x%08x\n", addr); 1595191983Sweongyo} 1596191983Sweongyo 1597191983Sweongyostatic int 1598191983Sweongyoupgt_fw_load(struct upgt_softc *sc) 1599191983Sweongyo{ 1600191983Sweongyo const struct firmware *fw; 1601191983Sweongyo struct upgt_data *data_cmd; 1602191983Sweongyo struct upgt_fw_x2_header *x2; 1603191983Sweongyo char start_fwload_cmd[] = { 0x3c, 0x0d }; 1604191983Sweongyo int error = 0, offset, bsize, n; 1605191983Sweongyo uint32_t crc32; 1606191983Sweongyo 1607191983Sweongyo fw = firmware_get(upgt_fwname); 1608191983Sweongyo if (fw == NULL) { 1609199816Sthompsa device_printf(sc->sc_dev, "could not read microcode %s\n", 1610191983Sweongyo upgt_fwname); 1611191983Sweongyo return (EIO); 1612191983Sweongyo } 1613191983Sweongyo 1614191983Sweongyo UPGT_LOCK(sc); 1615191983Sweongyo 1616191983Sweongyo /* send firmware start load command */ 1617191983Sweongyo data_cmd = upgt_getbuf(sc); 1618191983Sweongyo if (data_cmd == NULL) { 1619191983Sweongyo error = ENOBUFS; 1620191983Sweongyo goto fail; 1621191983Sweongyo } 1622191983Sweongyo data_cmd->buflen = sizeof(start_fwload_cmd); 1623191983Sweongyo bcopy(start_fwload_cmd, data_cmd->buf, data_cmd->buflen); 1624191983Sweongyo upgt_bulk_tx(sc, data_cmd); 1625191983Sweongyo 1626191983Sweongyo /* send X2 header */ 1627191983Sweongyo data_cmd = upgt_getbuf(sc); 1628191983Sweongyo if (data_cmd == NULL) { 1629191983Sweongyo error = ENOBUFS; 1630191983Sweongyo goto fail; 1631191983Sweongyo } 1632191983Sweongyo data_cmd->buflen = sizeof(struct upgt_fw_x2_header); 1633191983Sweongyo x2 = (struct upgt_fw_x2_header *)data_cmd->buf; 1634191983Sweongyo bcopy(UPGT_X2_SIGNATURE, x2->signature, UPGT_X2_SIGNATURE_SIZE); 1635191983Sweongyo x2->startaddr = htole32(UPGT_MEMADDR_FIRMWARE_START); 1636191983Sweongyo x2->len = htole32(fw->datasize); 1637191983Sweongyo x2->crc = upgt_crc32_le((uint8_t *)data_cmd->buf + 1638191983Sweongyo UPGT_X2_SIGNATURE_SIZE, 1639191983Sweongyo sizeof(struct upgt_fw_x2_header) - UPGT_X2_SIGNATURE_SIZE - 1640191983Sweongyo sizeof(uint32_t)); 1641191983Sweongyo upgt_bulk_tx(sc, data_cmd); 1642191983Sweongyo 1643191983Sweongyo /* download firmware */ 1644191983Sweongyo for (offset = 0; offset < fw->datasize; offset += bsize) { 1645191983Sweongyo if (fw->datasize - offset > UPGT_FW_BLOCK_SIZE) 1646191983Sweongyo bsize = UPGT_FW_BLOCK_SIZE; 1647191983Sweongyo else 1648191983Sweongyo bsize = fw->datasize - offset; 1649191983Sweongyo 1650191983Sweongyo data_cmd = upgt_getbuf(sc); 1651191983Sweongyo if (data_cmd == NULL) { 1652191983Sweongyo error = ENOBUFS; 1653191983Sweongyo goto fail; 1654191983Sweongyo } 1655191983Sweongyo n = upgt_fw_copy((const uint8_t *)fw->data + offset, 1656191983Sweongyo data_cmd->buf, bsize); 1657191983Sweongyo data_cmd->buflen = bsize; 1658191983Sweongyo upgt_bulk_tx(sc, data_cmd); 1659191983Sweongyo 1660191983Sweongyo DPRINTF(sc, UPGT_DEBUG_FW, "FW offset=%d, read=%d, sent=%d\n", 1661191983Sweongyo offset, n, bsize); 1662191983Sweongyo bsize = n; 1663191983Sweongyo } 1664191983Sweongyo DPRINTF(sc, UPGT_DEBUG_FW, "%s: firmware downloaded\n", __func__); 1665191983Sweongyo 1666191983Sweongyo /* load firmware */ 1667191983Sweongyo data_cmd = upgt_getbuf(sc); 1668191983Sweongyo if (data_cmd == NULL) { 1669191983Sweongyo error = ENOBUFS; 1670191983Sweongyo goto fail; 1671191983Sweongyo } 1672191983Sweongyo crc32 = upgt_crc32_le(fw->data, fw->datasize); 1673191983Sweongyo *((uint32_t *)(data_cmd->buf) ) = crc32; 1674191983Sweongyo *((uint8_t *)(data_cmd->buf) + 4) = 'g'; 1675191983Sweongyo *((uint8_t *)(data_cmd->buf) + 5) = '\r'; 1676191983Sweongyo data_cmd->buflen = 6; 1677191983Sweongyo upgt_bulk_tx(sc, data_cmd); 1678191983Sweongyo 1679191983Sweongyo /* waiting 'OK' response. */ 1680194228Sthompsa usbd_transfer_start(sc->sc_xfer[UPGT_BULK_RX]); 1681191983Sweongyo error = mtx_sleep(sc, &sc->sc_mtx, 0, "upgtfw", 2 * hz); 1682191983Sweongyo if (error != 0) { 1683199816Sthompsa device_printf(sc->sc_dev, "firmware load failed\n"); 1684191983Sweongyo error = EIO; 1685191983Sweongyo } 1686191983Sweongyo 1687191983Sweongyo DPRINTF(sc, UPGT_DEBUG_FW, "%s: firmware loaded\n", __func__); 1688191983Sweongyofail: 1689191983Sweongyo UPGT_UNLOCK(sc); 1690191983Sweongyo firmware_put(fw, FIRMWARE_UNLOAD); 1691191983Sweongyo return (error); 1692191983Sweongyo} 1693191983Sweongyo 1694191983Sweongyostatic uint32_t 1695191983Sweongyoupgt_crc32_le(const void *buf, size_t size) 1696191983Sweongyo{ 1697191983Sweongyo uint32_t crc; 1698191983Sweongyo 1699191983Sweongyo crc = ether_crc32_le(buf, size); 1700191983Sweongyo 1701191983Sweongyo /* apply final XOR value as common for CRC-32 */ 1702191983Sweongyo crc = htole32(crc ^ 0xffffffffU); 1703191983Sweongyo 1704191983Sweongyo return (crc); 1705191983Sweongyo} 1706191983Sweongyo 1707191983Sweongyo/* 1708191983Sweongyo * While copying the version 2 firmware, we need to replace two characters: 1709191983Sweongyo * 1710191983Sweongyo * 0x7e -> 0x7d 0x5e 1711191983Sweongyo * 0x7d -> 0x7d 0x5d 1712191983Sweongyo */ 1713191983Sweongyostatic int 1714191983Sweongyoupgt_fw_copy(const uint8_t *src, char *dst, int size) 1715191983Sweongyo{ 1716191983Sweongyo int i, j; 1717191983Sweongyo 1718191983Sweongyo for (i = 0, j = 0; i < size && j < size; i++) { 1719191983Sweongyo switch (src[i]) { 1720191983Sweongyo case 0x7e: 1721191983Sweongyo dst[j] = 0x7d; 1722191983Sweongyo j++; 1723191983Sweongyo dst[j] = 0x5e; 1724191983Sweongyo j++; 1725191983Sweongyo break; 1726191983Sweongyo case 0x7d: 1727191983Sweongyo dst[j] = 0x7d; 1728191983Sweongyo j++; 1729191983Sweongyo dst[j] = 0x5d; 1730191983Sweongyo j++; 1731191983Sweongyo break; 1732191983Sweongyo default: 1733191983Sweongyo dst[j] = src[i]; 1734191983Sweongyo j++; 1735191983Sweongyo break; 1736191983Sweongyo } 1737191983Sweongyo } 1738191983Sweongyo 1739191983Sweongyo return (i); 1740191983Sweongyo} 1741191983Sweongyo 1742191983Sweongyostatic int 1743191983Sweongyoupgt_mem_init(struct upgt_softc *sc) 1744191983Sweongyo{ 1745191983Sweongyo int i; 1746191983Sweongyo 1747191983Sweongyo for (i = 0; i < UPGT_MEMORY_MAX_PAGES; i++) { 1748191983Sweongyo sc->sc_memory.page[i].used = 0; 1749191983Sweongyo 1750191983Sweongyo if (i == 0) { 1751191983Sweongyo /* 1752191983Sweongyo * The first memory page is always reserved for 1753191983Sweongyo * command data. 1754191983Sweongyo */ 1755191983Sweongyo sc->sc_memory.page[i].addr = 1756191983Sweongyo sc->sc_memaddr_frame_start + MCLBYTES; 1757191983Sweongyo } else { 1758191983Sweongyo sc->sc_memory.page[i].addr = 1759191983Sweongyo sc->sc_memory.page[i - 1].addr + MCLBYTES; 1760191983Sweongyo } 1761191983Sweongyo 1762191983Sweongyo if (sc->sc_memory.page[i].addr + MCLBYTES >= 1763191983Sweongyo sc->sc_memaddr_frame_end) 1764191983Sweongyo break; 1765191983Sweongyo 1766191983Sweongyo DPRINTF(sc, UPGT_DEBUG_FW, "memory address page %d=0x%08x\n", 1767191983Sweongyo i, sc->sc_memory.page[i].addr); 1768191983Sweongyo } 1769191983Sweongyo 1770191983Sweongyo sc->sc_memory.pages = i; 1771191983Sweongyo 1772191983Sweongyo DPRINTF(sc, UPGT_DEBUG_FW, "memory pages=%d\n", sc->sc_memory.pages); 1773191983Sweongyo return (0); 1774191983Sweongyo} 1775191983Sweongyo 1776191983Sweongyostatic int 1777191983Sweongyoupgt_fw_verify(struct upgt_softc *sc) 1778191983Sweongyo{ 1779191983Sweongyo const struct firmware *fw; 1780191983Sweongyo const struct upgt_fw_bra_option *bra_opt; 1781191983Sweongyo const struct upgt_fw_bra_descr *descr; 1782191983Sweongyo const uint8_t *p; 1783191983Sweongyo const uint32_t *uc; 1784191983Sweongyo uint32_t bra_option_type, bra_option_len; 1785191983Sweongyo int offset, bra_end = 0, error = 0; 1786191983Sweongyo 1787191983Sweongyo fw = firmware_get(upgt_fwname); 1788191983Sweongyo if (fw == NULL) { 1789199816Sthompsa device_printf(sc->sc_dev, "could not read microcode %s\n", 1790191983Sweongyo upgt_fwname); 1791191983Sweongyo return EIO; 1792191983Sweongyo } 1793191983Sweongyo 1794191983Sweongyo /* 1795191983Sweongyo * Seek to beginning of Boot Record Area (BRA). 1796191983Sweongyo */ 1797191983Sweongyo for (offset = 0; offset < fw->datasize; offset += sizeof(*uc)) { 1798191983Sweongyo uc = (const uint32_t *)((const uint8_t *)fw->data + offset); 1799191983Sweongyo if (*uc == 0) 1800191983Sweongyo break; 1801191983Sweongyo } 1802191983Sweongyo for (; offset < fw->datasize; offset += sizeof(*uc)) { 1803191983Sweongyo uc = (const uint32_t *)((const uint8_t *)fw->data + offset); 1804191983Sweongyo if (*uc != 0) 1805191983Sweongyo break; 1806191983Sweongyo } 1807191983Sweongyo if (offset == fw->datasize) { 1808191983Sweongyo device_printf(sc->sc_dev, 1809199816Sthompsa "firmware Boot Record Area not found\n"); 1810191983Sweongyo error = EIO; 1811191983Sweongyo goto fail; 1812191983Sweongyo } 1813191983Sweongyo 1814191983Sweongyo DPRINTF(sc, UPGT_DEBUG_FW, 1815191983Sweongyo "firmware Boot Record Area found at offset %d\n", offset); 1816191983Sweongyo 1817191983Sweongyo /* 1818191983Sweongyo * Parse Boot Record Area (BRA) options. 1819191983Sweongyo */ 1820191983Sweongyo while (offset < fw->datasize && bra_end == 0) { 1821191983Sweongyo /* get current BRA option */ 1822191983Sweongyo p = (const uint8_t *)fw->data + offset; 1823191983Sweongyo bra_opt = (const struct upgt_fw_bra_option *)p; 1824191983Sweongyo bra_option_type = le32toh(bra_opt->type); 1825191983Sweongyo bra_option_len = le32toh(bra_opt->len) * sizeof(*uc); 1826191983Sweongyo 1827191983Sweongyo switch (bra_option_type) { 1828191983Sweongyo case UPGT_BRA_TYPE_FW: 1829191983Sweongyo DPRINTF(sc, UPGT_DEBUG_FW, "UPGT_BRA_TYPE_FW len=%d\n", 1830191983Sweongyo bra_option_len); 1831191983Sweongyo 1832191983Sweongyo if (bra_option_len != UPGT_BRA_FWTYPE_SIZE) { 1833191983Sweongyo device_printf(sc->sc_dev, 1834199816Sthompsa "wrong UPGT_BRA_TYPE_FW len\n"); 1835191983Sweongyo error = EIO; 1836191983Sweongyo goto fail; 1837191983Sweongyo } 1838191983Sweongyo if (memcmp(UPGT_BRA_FWTYPE_LM86, bra_opt->data, 1839191983Sweongyo bra_option_len) == 0) { 1840191983Sweongyo sc->sc_fw_type = UPGT_FWTYPE_LM86; 1841191983Sweongyo break; 1842191983Sweongyo } 1843191983Sweongyo if (memcmp(UPGT_BRA_FWTYPE_LM87, bra_opt->data, 1844191983Sweongyo bra_option_len) == 0) { 1845191983Sweongyo sc->sc_fw_type = UPGT_FWTYPE_LM87; 1846191983Sweongyo break; 1847191983Sweongyo } 1848191983Sweongyo device_printf(sc->sc_dev, 1849199816Sthompsa "unsupported firmware type\n"); 1850191983Sweongyo error = EIO; 1851191983Sweongyo goto fail; 1852191983Sweongyo case UPGT_BRA_TYPE_VERSION: 1853191983Sweongyo DPRINTF(sc, UPGT_DEBUG_FW, 1854191983Sweongyo "UPGT_BRA_TYPE_VERSION len=%d\n", bra_option_len); 1855191983Sweongyo break; 1856191983Sweongyo case UPGT_BRA_TYPE_DEPIF: 1857191983Sweongyo DPRINTF(sc, UPGT_DEBUG_FW, 1858191983Sweongyo "UPGT_BRA_TYPE_DEPIF len=%d\n", bra_option_len); 1859191983Sweongyo break; 1860191983Sweongyo case UPGT_BRA_TYPE_EXPIF: 1861191983Sweongyo DPRINTF(sc, UPGT_DEBUG_FW, 1862191983Sweongyo "UPGT_BRA_TYPE_EXPIF len=%d\n", bra_option_len); 1863191983Sweongyo break; 1864191983Sweongyo case UPGT_BRA_TYPE_DESCR: 1865191983Sweongyo DPRINTF(sc, UPGT_DEBUG_FW, 1866191983Sweongyo "UPGT_BRA_TYPE_DESCR len=%d\n", bra_option_len); 1867191983Sweongyo 1868191983Sweongyo descr = (const struct upgt_fw_bra_descr *)bra_opt->data; 1869191983Sweongyo 1870191983Sweongyo sc->sc_memaddr_frame_start = 1871191983Sweongyo le32toh(descr->memaddr_space_start); 1872191983Sweongyo sc->sc_memaddr_frame_end = 1873191983Sweongyo le32toh(descr->memaddr_space_end); 1874191983Sweongyo 1875191983Sweongyo DPRINTF(sc, UPGT_DEBUG_FW, 1876191983Sweongyo "memory address space start=0x%08x\n", 1877191983Sweongyo sc->sc_memaddr_frame_start); 1878191983Sweongyo DPRINTF(sc, UPGT_DEBUG_FW, 1879191983Sweongyo "memory address space end=0x%08x\n", 1880191983Sweongyo sc->sc_memaddr_frame_end); 1881191983Sweongyo break; 1882191983Sweongyo case UPGT_BRA_TYPE_END: 1883191983Sweongyo DPRINTF(sc, UPGT_DEBUG_FW, "UPGT_BRA_TYPE_END len=%d\n", 1884191983Sweongyo bra_option_len); 1885191983Sweongyo bra_end = 1; 1886191983Sweongyo break; 1887191983Sweongyo default: 1888191983Sweongyo DPRINTF(sc, UPGT_DEBUG_FW, "unknown BRA option len=%d\n", 1889191983Sweongyo bra_option_len); 1890191983Sweongyo error = EIO; 1891191983Sweongyo goto fail; 1892191983Sweongyo } 1893191983Sweongyo 1894191983Sweongyo /* jump to next BRA option */ 1895191983Sweongyo offset += sizeof(struct upgt_fw_bra_option) + bra_option_len; 1896191983Sweongyo } 1897191983Sweongyo 1898191983Sweongyo DPRINTF(sc, UPGT_DEBUG_FW, "%s: firmware verified", __func__); 1899191983Sweongyofail: 1900191983Sweongyo firmware_put(fw, FIRMWARE_UNLOAD); 1901191983Sweongyo return (error); 1902191983Sweongyo} 1903191983Sweongyo 1904191983Sweongyostatic void 1905191983Sweongyoupgt_bulk_tx(struct upgt_softc *sc, struct upgt_data *data) 1906191983Sweongyo{ 1907191983Sweongyo 1908191983Sweongyo UPGT_ASSERT_LOCKED(sc); 1909191983Sweongyo 1910191983Sweongyo STAILQ_INSERT_TAIL(&sc->sc_tx_pending, data, next); 1911191983Sweongyo UPGT_STAT_INC(sc, st_tx_pending); 1912194228Sthompsa usbd_transfer_start(sc->sc_xfer[UPGT_BULK_TX]); 1913191983Sweongyo} 1914191983Sweongyo 1915191983Sweongyostatic int 1916191983Sweongyoupgt_device_reset(struct upgt_softc *sc) 1917191983Sweongyo{ 1918191983Sweongyo struct upgt_data *data; 1919191983Sweongyo char init_cmd[] = { 0x7e, 0x7e, 0x7e, 0x7e }; 1920191983Sweongyo 1921191983Sweongyo UPGT_LOCK(sc); 1922191983Sweongyo 1923191983Sweongyo data = upgt_getbuf(sc); 1924191983Sweongyo if (data == NULL) { 1925191983Sweongyo UPGT_UNLOCK(sc); 1926191983Sweongyo return (ENOBUFS); 1927191983Sweongyo } 1928191983Sweongyo bcopy(init_cmd, data->buf, sizeof(init_cmd)); 1929191983Sweongyo data->buflen = sizeof(init_cmd); 1930191983Sweongyo upgt_bulk_tx(sc, data); 1931194228Sthompsa usb_pause_mtx(&sc->sc_mtx, 100); 1932191983Sweongyo 1933191983Sweongyo UPGT_UNLOCK(sc); 1934191983Sweongyo DPRINTF(sc, UPGT_DEBUG_FW, "%s: device initialized\n", __func__); 1935191983Sweongyo return (0); 1936191983Sweongyo} 1937191983Sweongyo 1938191983Sweongyostatic int 1939191983Sweongyoupgt_alloc_tx(struct upgt_softc *sc) 1940191983Sweongyo{ 1941191983Sweongyo int i; 1942191983Sweongyo 1943191983Sweongyo STAILQ_INIT(&sc->sc_tx_active); 1944191983Sweongyo STAILQ_INIT(&sc->sc_tx_inactive); 1945191983Sweongyo STAILQ_INIT(&sc->sc_tx_pending); 1946191983Sweongyo 1947191983Sweongyo for (i = 0; i < UPGT_TX_MAXCOUNT; i++) { 1948191983Sweongyo struct upgt_data *data = &sc->sc_tx_data[i]; 1949191983Sweongyo 1950191983Sweongyo data->buf = malloc(MCLBYTES, M_USBDEV, M_NOWAIT | M_ZERO); 1951191983Sweongyo if (data->buf == NULL) { 1952191983Sweongyo device_printf(sc->sc_dev, 1953199816Sthompsa "could not allocate TX buffer\n"); 1954191983Sweongyo return (ENOMEM); 1955191983Sweongyo } 1956191983Sweongyo STAILQ_INSERT_TAIL(&sc->sc_tx_inactive, data, next); 1957191983Sweongyo UPGT_STAT_INC(sc, st_tx_inactive); 1958191983Sweongyo } 1959191983Sweongyo 1960191983Sweongyo return (0); 1961191983Sweongyo} 1962191983Sweongyo 1963191983Sweongyostatic int 1964191983Sweongyoupgt_alloc_rx(struct upgt_softc *sc) 1965191983Sweongyo{ 1966191983Sweongyo int i; 1967191983Sweongyo 1968191983Sweongyo STAILQ_INIT(&sc->sc_rx_active); 1969191983Sweongyo STAILQ_INIT(&sc->sc_rx_inactive); 1970191983Sweongyo 1971191983Sweongyo for (i = 0; i < UPGT_RX_MAXCOUNT; i++) { 1972191983Sweongyo struct upgt_data *data = &sc->sc_rx_data[i]; 1973191983Sweongyo 1974191983Sweongyo data->buf = malloc(MCLBYTES, M_USBDEV, M_NOWAIT | M_ZERO); 1975191983Sweongyo if (data->buf == NULL) { 1976191983Sweongyo device_printf(sc->sc_dev, 1977199816Sthompsa "could not allocate RX buffer\n"); 1978191983Sweongyo return (ENOMEM); 1979191983Sweongyo } 1980191983Sweongyo STAILQ_INSERT_TAIL(&sc->sc_rx_inactive, data, next); 1981191983Sweongyo } 1982191983Sweongyo 1983191983Sweongyo return (0); 1984191983Sweongyo} 1985191983Sweongyo 1986191983Sweongyostatic int 1987191983Sweongyoupgt_detach(device_t dev) 1988191983Sweongyo{ 1989191983Sweongyo struct upgt_softc *sc = device_get_softc(dev); 1990191983Sweongyo struct ifnet *ifp = sc->sc_ifp; 1991191983Sweongyo struct ieee80211com *ic = ifp->if_l2com; 1992191983Sweongyo 1993191983Sweongyo if (!device_is_attached(dev)) 1994191983Sweongyo return 0; 1995191983Sweongyo 1996191983Sweongyo upgt_stop(sc); 1997191983Sweongyo 1998191983Sweongyo callout_drain(&sc->sc_led_ch); 1999191983Sweongyo callout_drain(&sc->sc_watchdog_ch); 2000191983Sweongyo 2001194228Sthompsa usbd_transfer_unsetup(sc->sc_xfer, UPGT_N_XFERS); 2002192419Sweongyo ieee80211_ifdetach(ic); 2003191983Sweongyo upgt_free_rx(sc); 2004191983Sweongyo upgt_free_tx(sc); 2005191983Sweongyo 2006191983Sweongyo if_free(ifp); 2007191983Sweongyo mtx_destroy(&sc->sc_mtx); 2008191983Sweongyo 2009191983Sweongyo return (0); 2010191983Sweongyo} 2011191983Sweongyo 2012191983Sweongyostatic void 2013191983Sweongyoupgt_free_rx(struct upgt_softc *sc) 2014191983Sweongyo{ 2015191983Sweongyo int i; 2016191983Sweongyo 2017191983Sweongyo for (i = 0; i < UPGT_RX_MAXCOUNT; i++) { 2018191983Sweongyo struct upgt_data *data = &sc->sc_rx_data[i]; 2019191983Sweongyo 2020191983Sweongyo free(data->buf, M_USBDEV); 2021191983Sweongyo data->ni = NULL; 2022191983Sweongyo } 2023191983Sweongyo} 2024191983Sweongyo 2025191983Sweongyostatic void 2026191983Sweongyoupgt_free_tx(struct upgt_softc *sc) 2027191983Sweongyo{ 2028191983Sweongyo int i; 2029191983Sweongyo 2030191983Sweongyo for (i = 0; i < UPGT_TX_MAXCOUNT; i++) { 2031191983Sweongyo struct upgt_data *data = &sc->sc_tx_data[i]; 2032191983Sweongyo 2033191983Sweongyo free(data->buf, M_USBDEV); 2034191983Sweongyo data->ni = NULL; 2035191983Sweongyo } 2036191983Sweongyo} 2037191983Sweongyo 2038191983Sweongyostatic void 2039191983Sweongyoupgt_abort_xfers_locked(struct upgt_softc *sc) 2040191983Sweongyo{ 2041191983Sweongyo int i; 2042191983Sweongyo 2043191983Sweongyo UPGT_ASSERT_LOCKED(sc); 2044191983Sweongyo /* abort any pending transfers */ 2045191983Sweongyo for (i = 0; i < UPGT_N_XFERS; i++) 2046194228Sthompsa usbd_transfer_stop(sc->sc_xfer[i]); 2047191983Sweongyo} 2048191983Sweongyo 2049191983Sweongyostatic void 2050191983Sweongyoupgt_abort_xfers(struct upgt_softc *sc) 2051191983Sweongyo{ 2052191983Sweongyo 2053191983Sweongyo UPGT_LOCK(sc); 2054191983Sweongyo upgt_abort_xfers_locked(sc); 2055191983Sweongyo UPGT_UNLOCK(sc); 2056191983Sweongyo} 2057191983Sweongyo 2058191983Sweongyo#define UPGT_SYSCTL_STAT_ADD32(c, h, n, p, d) \ 2059191983Sweongyo SYSCTL_ADD_UINT(c, h, OID_AUTO, n, CTLFLAG_RD, p, 0, d) 2060191983Sweongyo 2061191983Sweongyostatic void 2062191983Sweongyoupgt_sysctl_node(struct upgt_softc *sc) 2063191983Sweongyo{ 2064191983Sweongyo struct sysctl_ctx_list *ctx; 2065191983Sweongyo struct sysctl_oid_list *child; 2066191983Sweongyo struct sysctl_oid *tree; 2067191983Sweongyo struct upgt_stat *stats; 2068191983Sweongyo 2069191983Sweongyo stats = &sc->sc_stat; 2070191983Sweongyo ctx = device_get_sysctl_ctx(sc->sc_dev); 2071191983Sweongyo child = SYSCTL_CHILDREN(device_get_sysctl_tree(sc->sc_dev)); 2072191983Sweongyo 2073191983Sweongyo tree = SYSCTL_ADD_NODE(ctx, child, OID_AUTO, "stats", CTLFLAG_RD, 2074191983Sweongyo NULL, "UPGT statistics"); 2075191983Sweongyo child = SYSCTL_CHILDREN(tree); 2076191983Sweongyo UPGT_SYSCTL_STAT_ADD32(ctx, child, "tx_active", 2077191983Sweongyo &stats->st_tx_active, "Active numbers in TX queue"); 2078191983Sweongyo UPGT_SYSCTL_STAT_ADD32(ctx, child, "tx_inactive", 2079191983Sweongyo &stats->st_tx_inactive, "Inactive numbers in TX queue"); 2080191983Sweongyo UPGT_SYSCTL_STAT_ADD32(ctx, child, "tx_pending", 2081191983Sweongyo &stats->st_tx_pending, "Pending numbers in TX queue"); 2082191983Sweongyo} 2083191983Sweongyo 2084191983Sweongyo#undef UPGT_SYSCTL_STAT_ADD32 2085191983Sweongyo 2086191983Sweongyostatic struct upgt_data * 2087191983Sweongyo_upgt_getbuf(struct upgt_softc *sc) 2088191983Sweongyo{ 2089191983Sweongyo struct upgt_data *bf; 2090191983Sweongyo 2091191983Sweongyo bf = STAILQ_FIRST(&sc->sc_tx_inactive); 2092191983Sweongyo if (bf != NULL) { 2093191983Sweongyo STAILQ_REMOVE_HEAD(&sc->sc_tx_inactive, next); 2094191983Sweongyo UPGT_STAT_DEC(sc, st_tx_inactive); 2095191983Sweongyo } else 2096191983Sweongyo bf = NULL; 2097191983Sweongyo if (bf == NULL) 2098191983Sweongyo DPRINTF(sc, UPGT_DEBUG_XMIT, "%s: %s\n", __func__, 2099191983Sweongyo "out of xmit buffers"); 2100191983Sweongyo return (bf); 2101191983Sweongyo} 2102191983Sweongyo 2103191983Sweongyostatic struct upgt_data * 2104191983Sweongyoupgt_getbuf(struct upgt_softc *sc) 2105191983Sweongyo{ 2106191983Sweongyo struct upgt_data *bf; 2107191983Sweongyo 2108191983Sweongyo UPGT_ASSERT_LOCKED(sc); 2109191983Sweongyo 2110191983Sweongyo bf = _upgt_getbuf(sc); 2111191983Sweongyo if (bf == NULL) { 2112191983Sweongyo struct ifnet *ifp = sc->sc_ifp; 2113191983Sweongyo 2114191983Sweongyo DPRINTF(sc, UPGT_DEBUG_XMIT, "%s: stop queue\n", __func__); 2115191983Sweongyo ifp->if_drv_flags |= IFF_DRV_OACTIVE; 2116191983Sweongyo } 2117191983Sweongyo 2118191983Sweongyo return (bf); 2119191983Sweongyo} 2120191983Sweongyo 2121191983Sweongyostatic struct upgt_data * 2122191983Sweongyoupgt_gettxbuf(struct upgt_softc *sc) 2123191983Sweongyo{ 2124191983Sweongyo struct upgt_data *bf; 2125191983Sweongyo 2126191983Sweongyo UPGT_ASSERT_LOCKED(sc); 2127191983Sweongyo 2128191983Sweongyo bf = upgt_getbuf(sc); 2129191983Sweongyo if (bf == NULL) 2130191983Sweongyo return (NULL); 2131191983Sweongyo 2132191983Sweongyo bf->addr = upgt_mem_alloc(sc); 2133191983Sweongyo if (bf->addr == 0) { 2134191983Sweongyo struct ifnet *ifp = sc->sc_ifp; 2135191983Sweongyo 2136191983Sweongyo DPRINTF(sc, UPGT_DEBUG_XMIT, "%s: no free prism memory!\n", 2137191983Sweongyo __func__); 2138191983Sweongyo STAILQ_INSERT_HEAD(&sc->sc_tx_inactive, bf, next); 2139191983Sweongyo UPGT_STAT_INC(sc, st_tx_inactive); 2140191983Sweongyo if (!(ifp->if_drv_flags & IFF_DRV_OACTIVE)) 2141191983Sweongyo ifp->if_drv_flags |= IFF_DRV_OACTIVE; 2142191983Sweongyo return (NULL); 2143191983Sweongyo } 2144191983Sweongyo return (bf); 2145191983Sweongyo} 2146191983Sweongyo 2147191983Sweongyostatic int 2148191983Sweongyoupgt_tx_start(struct upgt_softc *sc, struct mbuf *m, struct ieee80211_node *ni, 2149191983Sweongyo struct upgt_data *data) 2150191983Sweongyo{ 2151192468Ssam struct ieee80211vap *vap = ni->ni_vap; 2152191983Sweongyo int error = 0, len; 2153191983Sweongyo struct ieee80211_frame *wh; 2154191983Sweongyo struct ieee80211_key *k; 2155191983Sweongyo struct ifnet *ifp = sc->sc_ifp; 2156191983Sweongyo struct upgt_lmac_mem *mem; 2157191983Sweongyo struct upgt_lmac_tx_desc *txdesc; 2158191983Sweongyo 2159191983Sweongyo UPGT_ASSERT_LOCKED(sc); 2160191983Sweongyo 2161191983Sweongyo upgt_set_led(sc, UPGT_LED_BLINK); 2162191983Sweongyo 2163191983Sweongyo /* 2164191983Sweongyo * Software crypto. 2165191983Sweongyo */ 2166191983Sweongyo wh = mtod(m, struct ieee80211_frame *); 2167191983Sweongyo if (wh->i_fc[1] & IEEE80211_FC1_WEP) { 2168191983Sweongyo k = ieee80211_crypto_encap(ni, m); 2169191983Sweongyo if (k == NULL) { 2170191983Sweongyo device_printf(sc->sc_dev, 2171191983Sweongyo "ieee80211_crypto_encap returns NULL.\n"); 2172191983Sweongyo error = EIO; 2173191983Sweongyo goto done; 2174191983Sweongyo } 2175191983Sweongyo 2176191983Sweongyo /* in case packet header moved, reset pointer */ 2177191983Sweongyo wh = mtod(m, struct ieee80211_frame *); 2178191983Sweongyo } 2179191983Sweongyo 2180191983Sweongyo /* Transmit the URB containing the TX data. */ 2181191983Sweongyo bzero(data->buf, MCLBYTES); 2182191983Sweongyo mem = (struct upgt_lmac_mem *)data->buf; 2183191983Sweongyo mem->addr = htole32(data->addr); 2184191983Sweongyo txdesc = (struct upgt_lmac_tx_desc *)(mem + 1); 2185191983Sweongyo 2186191983Sweongyo if ((wh->i_fc[0] & IEEE80211_FC0_TYPE_MASK) == 2187191983Sweongyo IEEE80211_FC0_TYPE_MGT) { 2188191983Sweongyo /* mgmt frames */ 2189191983Sweongyo txdesc->header1.flags = UPGT_H1_FLAGS_TX_MGMT; 2190191983Sweongyo /* always send mgmt frames at lowest rate (DS1) */ 2191191983Sweongyo memset(txdesc->rates, 0x10, sizeof(txdesc->rates)); 2192191983Sweongyo } else { 2193191983Sweongyo /* data frames */ 2194191983Sweongyo txdesc->header1.flags = UPGT_H1_FLAGS_TX_DATA; 2195191983Sweongyo bcopy(sc->sc_cur_rateset, txdesc->rates, sizeof(txdesc->rates)); 2196191983Sweongyo } 2197191983Sweongyo txdesc->header1.type = UPGT_H1_TYPE_TX_DATA; 2198191983Sweongyo txdesc->header1.len = htole16(m->m_pkthdr.len); 2199191983Sweongyo txdesc->header2.reqid = htole32(data->addr); 2200191983Sweongyo txdesc->header2.type = htole16(UPGT_H2_TYPE_TX_ACK_YES); 2201191983Sweongyo txdesc->header2.flags = htole16(UPGT_H2_FLAGS_TX_ACK_YES); 2202191983Sweongyo txdesc->type = htole32(UPGT_TX_DESC_TYPE_DATA); 2203191983Sweongyo txdesc->pad3[0] = UPGT_TX_DESC_PAD3_SIZE; 2204191983Sweongyo 2205192468Ssam if (ieee80211_radiotap_active_vap(vap)) { 2206191983Sweongyo struct upgt_tx_radiotap_header *tap = &sc->sc_txtap; 2207191983Sweongyo 2208191983Sweongyo tap->wt_flags = 0; 2209191983Sweongyo tap->wt_rate = 0; /* XXX where to get from? */ 2210191983Sweongyo 2211192468Ssam ieee80211_radiotap_tx(vap, m); 2212191983Sweongyo } 2213191983Sweongyo 2214191983Sweongyo /* copy frame below our TX descriptor header */ 2215191983Sweongyo m_copydata(m, 0, m->m_pkthdr.len, 2216191983Sweongyo data->buf + (sizeof(*mem) + sizeof(*txdesc))); 2217191983Sweongyo /* calculate frame size */ 2218191983Sweongyo len = sizeof(*mem) + sizeof(*txdesc) + m->m_pkthdr.len; 2219191983Sweongyo /* we need to align the frame to a 4 byte boundary */ 2220191983Sweongyo len = (len + 3) & ~3; 2221191983Sweongyo /* calculate frame checksum */ 2222191983Sweongyo mem->chksum = upgt_chksum_le((uint32_t *)txdesc, len - sizeof(*mem)); 2223191983Sweongyo data->ni = ni; 2224191983Sweongyo data->m = m; 2225191983Sweongyo data->buflen = len; 2226191983Sweongyo 2227191983Sweongyo DPRINTF(sc, UPGT_DEBUG_XMIT, "%s: TX start data sending (%d bytes)\n", 2228191983Sweongyo __func__, len); 2229191983Sweongyo KASSERT(len <= MCLBYTES, ("mbuf is small for saving data")); 2230191983Sweongyo 2231191983Sweongyo upgt_bulk_tx(sc, data); 2232191983Sweongyodone: 2233191983Sweongyo /* 2234191983Sweongyo * If we don't regulary read the device statistics, the RX queue 2235191983Sweongyo * will stall. It's strange, but it works, so we keep reading 2236191983Sweongyo * the statistics here. *shrug* 2237191983Sweongyo */ 2238191983Sweongyo if (!(ifp->if_opackets % UPGT_TX_STAT_INTERVAL)) 2239191983Sweongyo upgt_get_stats(sc); 2240191983Sweongyo 2241191983Sweongyo return (error); 2242191983Sweongyo} 2243191983Sweongyo 2244191983Sweongyostatic void 2245194677Sthompsaupgt_bulk_rx_callback(struct usb_xfer *xfer, usb_error_t error) 2246191983Sweongyo{ 2247194677Sthompsa struct upgt_softc *sc = usbd_xfer_softc(xfer); 2248191983Sweongyo struct ifnet *ifp = sc->sc_ifp; 2249191983Sweongyo struct ieee80211com *ic = ifp->if_l2com; 2250191983Sweongyo struct ieee80211_frame *wh; 2251191983Sweongyo struct ieee80211_node *ni; 2252191983Sweongyo struct mbuf *m = NULL; 2253191983Sweongyo struct upgt_data *data; 2254191983Sweongyo int8_t nf; 2255191983Sweongyo int rssi = -1; 2256191983Sweongyo 2257191983Sweongyo UPGT_ASSERT_LOCKED(sc); 2258191983Sweongyo 2259191983Sweongyo switch (USB_GET_STATE(xfer)) { 2260191983Sweongyo case USB_ST_TRANSFERRED: 2261191983Sweongyo data = STAILQ_FIRST(&sc->sc_rx_active); 2262191983Sweongyo if (data == NULL) 2263191983Sweongyo goto setup; 2264191983Sweongyo STAILQ_REMOVE_HEAD(&sc->sc_rx_active, next); 2265191983Sweongyo m = upgt_rxeof(xfer, data, &rssi); 2266191983Sweongyo STAILQ_INSERT_TAIL(&sc->sc_rx_inactive, data, next); 2267191983Sweongyo /* FALLTHROUGH */ 2268191983Sweongyo case USB_ST_SETUP: 2269191983Sweongyosetup: 2270191983Sweongyo data = STAILQ_FIRST(&sc->sc_rx_inactive); 2271191983Sweongyo if (data == NULL) 2272191983Sweongyo return; 2273191983Sweongyo STAILQ_REMOVE_HEAD(&sc->sc_rx_inactive, next); 2274191983Sweongyo STAILQ_INSERT_TAIL(&sc->sc_rx_active, data, next); 2275194677Sthompsa usbd_xfer_set_frame_data(xfer, 0, data->buf, 2276194677Sthompsa usbd_xfer_max_len(xfer)); 2277194228Sthompsa usbd_transfer_submit(xfer); 2278191983Sweongyo 2279191983Sweongyo /* 2280191983Sweongyo * To avoid LOR we should unlock our private mutex here to call 2281191983Sweongyo * ieee80211_input() because here is at the end of a USB 2282191983Sweongyo * callback and safe to unlock. 2283191983Sweongyo */ 2284191983Sweongyo UPGT_UNLOCK(sc); 2285191983Sweongyo if (m != NULL) { 2286191983Sweongyo wh = mtod(m, struct ieee80211_frame *); 2287191983Sweongyo ni = ieee80211_find_rxnode(ic, 2288191983Sweongyo (struct ieee80211_frame_min *)wh); 2289191983Sweongyo nf = -95; /* XXX */ 2290191983Sweongyo if (ni != NULL) { 2291192468Ssam (void) ieee80211_input(ni, m, rssi, nf); 2292191983Sweongyo /* node is no longer needed */ 2293191983Sweongyo ieee80211_free_node(ni); 2294191983Sweongyo } else 2295192468Ssam (void) ieee80211_input_all(ic, m, rssi, nf); 2296191983Sweongyo m = NULL; 2297191983Sweongyo } 2298198099Sweongyo if ((ifp->if_drv_flags & IFF_DRV_OACTIVE) == 0 && 2299198099Sweongyo !IFQ_IS_EMPTY(&ifp->if_snd)) 2300198099Sweongyo upgt_start(ifp); 2301191983Sweongyo UPGT_LOCK(sc); 2302191983Sweongyo break; 2303191983Sweongyo default: 2304191983Sweongyo /* needs it to the inactive queue due to a error. */ 2305191983Sweongyo data = STAILQ_FIRST(&sc->sc_rx_active); 2306191983Sweongyo if (data != NULL) { 2307191983Sweongyo STAILQ_REMOVE_HEAD(&sc->sc_rx_active, next); 2308191983Sweongyo STAILQ_INSERT_TAIL(&sc->sc_rx_inactive, data, next); 2309191983Sweongyo } 2310194677Sthompsa if (error != USB_ERR_CANCELLED) { 2311194677Sthompsa usbd_xfer_set_stall(xfer); 2312191983Sweongyo ifp->if_ierrors++; 2313191983Sweongyo goto setup; 2314191983Sweongyo } 2315191983Sweongyo break; 2316191983Sweongyo } 2317191983Sweongyo} 2318191983Sweongyo 2319191983Sweongyostatic void 2320194677Sthompsaupgt_bulk_tx_callback(struct usb_xfer *xfer, usb_error_t error) 2321191983Sweongyo{ 2322194677Sthompsa struct upgt_softc *sc = usbd_xfer_softc(xfer); 2323191983Sweongyo struct ifnet *ifp = sc->sc_ifp; 2324191983Sweongyo struct upgt_data *data; 2325191983Sweongyo 2326191983Sweongyo UPGT_ASSERT_LOCKED(sc); 2327191983Sweongyo switch (USB_GET_STATE(xfer)) { 2328191983Sweongyo case USB_ST_TRANSFERRED: 2329191983Sweongyo data = STAILQ_FIRST(&sc->sc_tx_active); 2330191983Sweongyo if (data == NULL) 2331191983Sweongyo goto setup; 2332191983Sweongyo STAILQ_REMOVE_HEAD(&sc->sc_tx_active, next); 2333191983Sweongyo UPGT_STAT_DEC(sc, st_tx_active); 2334191983Sweongyo upgt_txeof(xfer, data); 2335191983Sweongyo STAILQ_INSERT_TAIL(&sc->sc_tx_inactive, data, next); 2336191983Sweongyo UPGT_STAT_INC(sc, st_tx_inactive); 2337191983Sweongyo /* FALLTHROUGH */ 2338191983Sweongyo case USB_ST_SETUP: 2339191983Sweongyosetup: 2340191983Sweongyo data = STAILQ_FIRST(&sc->sc_tx_pending); 2341191983Sweongyo if (data == NULL) { 2342191983Sweongyo DPRINTF(sc, UPGT_DEBUG_XMIT, "%s: empty pending queue\n", 2343191983Sweongyo __func__); 2344191983Sweongyo return; 2345191983Sweongyo } 2346191983Sweongyo STAILQ_REMOVE_HEAD(&sc->sc_tx_pending, next); 2347191983Sweongyo UPGT_STAT_DEC(sc, st_tx_pending); 2348191983Sweongyo STAILQ_INSERT_TAIL(&sc->sc_tx_active, data, next); 2349191983Sweongyo UPGT_STAT_INC(sc, st_tx_active); 2350191983Sweongyo 2351194677Sthompsa usbd_xfer_set_frame_data(xfer, 0, data->buf, data->buflen); 2352194228Sthompsa usbd_transfer_submit(xfer); 2353191983Sweongyo UPGT_UNLOCK(sc); 2354191983Sweongyo upgt_start(ifp); 2355191983Sweongyo UPGT_LOCK(sc); 2356191983Sweongyo break; 2357191983Sweongyo default: 2358191983Sweongyo data = STAILQ_FIRST(&sc->sc_tx_active); 2359191983Sweongyo if (data == NULL) 2360191983Sweongyo goto setup; 2361191983Sweongyo if (data->ni != NULL) { 2362191983Sweongyo ieee80211_free_node(data->ni); 2363191983Sweongyo data->ni = NULL; 2364191983Sweongyo ifp->if_oerrors++; 2365191983Sweongyo } 2366194677Sthompsa if (error != USB_ERR_CANCELLED) { 2367194677Sthompsa usbd_xfer_set_stall(xfer); 2368191983Sweongyo goto setup; 2369191983Sweongyo } 2370191983Sweongyo break; 2371191983Sweongyo } 2372191983Sweongyo} 2373191983Sweongyo 2374191983Sweongyostatic device_method_t upgt_methods[] = { 2375191983Sweongyo /* Device interface */ 2376191983Sweongyo DEVMETHOD(device_probe, upgt_match), 2377191983Sweongyo DEVMETHOD(device_attach, upgt_attach), 2378191983Sweongyo DEVMETHOD(device_detach, upgt_detach), 2379191983Sweongyo 2380191983Sweongyo { 0, 0 } 2381191983Sweongyo}; 2382191983Sweongyo 2383191983Sweongyostatic driver_t upgt_driver = { 2384191983Sweongyo "upgt", 2385191983Sweongyo upgt_methods, 2386191983Sweongyo sizeof(struct upgt_softc) 2387191983Sweongyo}; 2388191983Sweongyo 2389191983Sweongyostatic devclass_t upgt_devclass; 2390191983Sweongyo 2391191983SweongyoDRIVER_MODULE(if_upgt, uhub, upgt_driver, upgt_devclass, NULL, 0); 2392191983SweongyoMODULE_VERSION(if_upgt, 1); 2393191983SweongyoMODULE_DEPEND(if_upgt, usb, 1, 1, 1); 2394191983SweongyoMODULE_DEPEND(if_upgt, wlan, 1, 1, 1); 2395191983SweongyoMODULE_DEPEND(if_upgt, upgtfw_fw, 1, 1, 1); 2396