if_upgt.c revision 212131
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 212131 2010-09-02 03:50:11Z thompsa $ */ 3191983Sweongyo 4191983Sweongyo/* 5191983Sweongyo * Copyright (c) 2007 Marcus Glocker <mglocker@openbsd.org> 6191983Sweongyo * 7191983Sweongyo * Permission to use, copy, modify, and distribute this software for any 8191983Sweongyo * purpose with or without fee is hereby granted, provided that the above 9191983Sweongyo * copyright notice and this permission notice appear in all copies. 10191983Sweongyo * 11191983Sweongyo * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 12191983Sweongyo * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 13191983Sweongyo * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 14191983Sweongyo * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 15191983Sweongyo * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 16191983Sweongyo * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 17191983Sweongyo * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 18191983Sweongyo */ 19191983Sweongyo 20191983Sweongyo#include <sys/param.h> 21191983Sweongyo#include <sys/systm.h> 22191983Sweongyo#include <sys/kernel.h> 23191983Sweongyo#include <sys/endian.h> 24191983Sweongyo#include <sys/firmware.h> 25191983Sweongyo#include <sys/linker.h> 26191983Sweongyo#include <sys/mbuf.h> 27191983Sweongyo#include <sys/malloc.h> 28191983Sweongyo#include <sys/module.h> 29191983Sweongyo#include <sys/socket.h> 30191983Sweongyo#include <sys/sockio.h> 31191983Sweongyo#include <sys/sysctl.h> 32191983Sweongyo 33191983Sweongyo#include <net/if.h> 34191983Sweongyo#include <net/if_arp.h> 35191983Sweongyo#include <net/ethernet.h> 36191983Sweongyo#include <net/if_dl.h> 37191983Sweongyo#include <net/if_media.h> 38191983Sweongyo#include <net/if_types.h> 39191983Sweongyo 40191983Sweongyo#include <sys/bus.h> 41191983Sweongyo#include <machine/bus.h> 42191983Sweongyo 43191983Sweongyo#include <net80211/ieee80211_var.h> 44191983Sweongyo#include <net80211/ieee80211_phy.h> 45191983Sweongyo#include <net80211/ieee80211_radiotap.h> 46191983Sweongyo#include <net80211/ieee80211_regdomain.h> 47191983Sweongyo 48191983Sweongyo#include <net/bpf.h> 49191983Sweongyo 50191983Sweongyo#include <dev/usb/usb.h> 51194677Sthompsa#include <dev/usb/usbdi.h> 52191983Sweongyo#include "usbdevs.h" 53191983Sweongyo 54191983Sweongyo#include <dev/usb/wlan/if_upgtvar.h> 55191983Sweongyo 56191983Sweongyo/* 57191983Sweongyo * Driver for the USB PrismGT devices. 58191983Sweongyo * 59191983Sweongyo * For now just USB 2.0 devices with the GW3887 chipset are supported. 60191983Sweongyo * The driver has been written based on the firmware version 2.13.1.0_LM87. 61191983Sweongyo * 62191983Sweongyo * TODO's: 63191983Sweongyo * - MONITOR mode test. 64191983Sweongyo * - Add HOSTAP mode. 65191983Sweongyo * - Add IBSS mode. 66191983Sweongyo * - Support the USB 1.0 devices (NET2280, ISL3880, ISL3886 chipsets). 67191983Sweongyo * 68191983Sweongyo * Parts of this driver has been influenced by reading the p54u driver 69191983Sweongyo * written by Jean-Baptiste Note <jean-baptiste.note@m4x.org> and 70191983Sweongyo * Sebastien Bourdeauducq <lekernel@prism54.org>. 71191983Sweongyo */ 72191983Sweongyo 73191983SweongyoSYSCTL_NODE(_hw, OID_AUTO, upgt, CTLFLAG_RD, 0, 74191983Sweongyo "USB PrismGT GW3887 driver parameters"); 75191983Sweongyo 76191983Sweongyo#ifdef UPGT_DEBUG 77191983Sweongyoint upgt_debug = 0; 78191983SweongyoSYSCTL_INT(_hw_upgt, OID_AUTO, debug, CTLFLAG_RW, &upgt_debug, 79191983Sweongyo 0, "control debugging printfs"); 80191983SweongyoTUNABLE_INT("hw.upgt.debug", &upgt_debug); 81191983Sweongyoenum { 82191983Sweongyo UPGT_DEBUG_XMIT = 0x00000001, /* basic xmit operation */ 83191983Sweongyo UPGT_DEBUG_RECV = 0x00000002, /* basic recv operation */ 84191983Sweongyo UPGT_DEBUG_RESET = 0x00000004, /* reset processing */ 85191983Sweongyo UPGT_DEBUG_INTR = 0x00000008, /* INTR */ 86191983Sweongyo UPGT_DEBUG_TX_PROC = 0x00000010, /* tx ISR proc */ 87191983Sweongyo UPGT_DEBUG_RX_PROC = 0x00000020, /* rx ISR proc */ 88191983Sweongyo UPGT_DEBUG_STATE = 0x00000040, /* 802.11 state transitions */ 89191983Sweongyo UPGT_DEBUG_STAT = 0x00000080, /* statistic */ 90191983Sweongyo UPGT_DEBUG_FW = 0x00000100, /* firmware */ 91191983Sweongyo UPGT_DEBUG_ANY = 0xffffffff 92191983Sweongyo}; 93191983Sweongyo#define DPRINTF(sc, m, fmt, ...) do { \ 94191983Sweongyo if (sc->sc_debug & (m)) \ 95191983Sweongyo printf(fmt, __VA_ARGS__); \ 96191983Sweongyo} while (0) 97191983Sweongyo#else 98191983Sweongyo#define DPRINTF(sc, m, fmt, ...) do { \ 99191983Sweongyo (void) sc; \ 100191983Sweongyo} while (0) 101191983Sweongyo#endif 102191983Sweongyo 103191983Sweongyo/* 104191983Sweongyo * Prototypes. 105191983Sweongyo */ 106191983Sweongyostatic device_probe_t upgt_match; 107191983Sweongyostatic device_attach_t upgt_attach; 108191983Sweongyostatic device_detach_t upgt_detach; 109191983Sweongyostatic int upgt_alloc_tx(struct upgt_softc *); 110191983Sweongyostatic int upgt_alloc_rx(struct upgt_softc *); 111191983Sweongyostatic int upgt_device_reset(struct upgt_softc *); 112191983Sweongyostatic void upgt_bulk_tx(struct upgt_softc *, struct upgt_data *); 113191983Sweongyostatic int upgt_fw_verify(struct upgt_softc *); 114191983Sweongyostatic int upgt_mem_init(struct upgt_softc *); 115191983Sweongyostatic int upgt_fw_load(struct upgt_softc *); 116191983Sweongyostatic int upgt_fw_copy(const uint8_t *, char *, int); 117191983Sweongyostatic uint32_t upgt_crc32_le(const void *, size_t); 118191983Sweongyostatic struct mbuf * 119192984Sthompsa upgt_rxeof(struct usb_xfer *, struct upgt_data *, int *); 120191983Sweongyostatic struct mbuf * 121191983Sweongyo upgt_rx(struct upgt_softc *, uint8_t *, int, int *); 122192984Sthompsastatic void upgt_txeof(struct usb_xfer *, struct upgt_data *); 123191983Sweongyostatic int upgt_eeprom_read(struct upgt_softc *); 124191983Sweongyostatic int upgt_eeprom_parse(struct upgt_softc *); 125191983Sweongyostatic void upgt_eeprom_parse_hwrx(struct upgt_softc *, uint8_t *); 126191983Sweongyostatic void upgt_eeprom_parse_freq3(struct upgt_softc *, uint8_t *, int); 127191983Sweongyostatic void upgt_eeprom_parse_freq4(struct upgt_softc *, uint8_t *, int); 128191983Sweongyostatic void upgt_eeprom_parse_freq6(struct upgt_softc *, uint8_t *, int); 129191983Sweongyostatic uint32_t upgt_chksum_le(const uint32_t *, size_t); 130191983Sweongyostatic void upgt_tx_done(struct upgt_softc *, uint8_t *); 131191983Sweongyostatic void upgt_init(void *); 132191983Sweongyostatic void upgt_init_locked(struct upgt_softc *); 133191983Sweongyostatic int upgt_ioctl(struct ifnet *, u_long, caddr_t); 134191983Sweongyostatic void upgt_start(struct ifnet *); 135191983Sweongyostatic int upgt_raw_xmit(struct ieee80211_node *, struct mbuf *, 136191983Sweongyo const struct ieee80211_bpf_params *); 137191983Sweongyostatic void upgt_scan_start(struct ieee80211com *); 138191983Sweongyostatic void upgt_scan_end(struct ieee80211com *); 139191983Sweongyostatic void upgt_set_channel(struct ieee80211com *); 140191983Sweongyostatic struct ieee80211vap *upgt_vap_create(struct ieee80211com *, 141191983Sweongyo const char name[IFNAMSIZ], int unit, int opmode, 142191983Sweongyo int flags, const uint8_t bssid[IEEE80211_ADDR_LEN], 143191983Sweongyo const uint8_t mac[IEEE80211_ADDR_LEN]); 144191983Sweongyostatic void upgt_vap_delete(struct ieee80211vap *); 145191983Sweongyostatic void upgt_update_mcast(struct ifnet *); 146191983Sweongyostatic uint8_t upgt_rx_rate(struct upgt_softc *, const int); 147191983Sweongyostatic void upgt_set_multi(void *); 148191983Sweongyostatic void upgt_stop(struct upgt_softc *); 149191983Sweongyostatic void upgt_setup_rates(struct ieee80211vap *, struct ieee80211com *); 150191983Sweongyostatic int upgt_set_macfilter(struct upgt_softc *, uint8_t); 151191983Sweongyostatic int upgt_newstate(struct ieee80211vap *, enum ieee80211_state, int); 152191983Sweongyostatic void upgt_set_chan(struct upgt_softc *, struct ieee80211_channel *); 153191983Sweongyostatic void upgt_set_led(struct upgt_softc *, int); 154191983Sweongyostatic void upgt_set_led_blink(void *); 155191983Sweongyostatic void upgt_get_stats(struct upgt_softc *); 156191983Sweongyostatic void upgt_mem_free(struct upgt_softc *, uint32_t); 157191983Sweongyostatic uint32_t upgt_mem_alloc(struct upgt_softc *); 158191983Sweongyostatic void upgt_free_tx(struct upgt_softc *); 159191983Sweongyostatic void upgt_free_rx(struct upgt_softc *); 160191983Sweongyostatic void upgt_watchdog(void *); 161191983Sweongyostatic void upgt_abort_xfers(struct upgt_softc *); 162191983Sweongyostatic void upgt_abort_xfers_locked(struct upgt_softc *); 163191983Sweongyostatic void upgt_sysctl_node(struct upgt_softc *); 164191983Sweongyostatic struct upgt_data * 165191983Sweongyo upgt_getbuf(struct upgt_softc *); 166191983Sweongyostatic struct upgt_data * 167191983Sweongyo upgt_gettxbuf(struct upgt_softc *); 168191983Sweongyostatic int upgt_tx_start(struct upgt_softc *, struct mbuf *, 169191983Sweongyo struct ieee80211_node *, struct upgt_data *); 170191983Sweongyo 171191983Sweongyostatic const char *upgt_fwname = "upgt-gw3887"; 172191983Sweongyo 173192984Sthompsastatic const struct usb_device_id upgt_devs_2[] = { 174191983Sweongyo#define UPGT_DEV(v,p) { USB_VP(USB_VENDOR_##v, USB_PRODUCT_##v##_##p) } 175191983Sweongyo /* version 2 devices */ 176191983Sweongyo UPGT_DEV(ACCTON, PRISM_GT), 177191983Sweongyo UPGT_DEV(BELKIN, F5D7050), 178191983Sweongyo UPGT_DEV(CISCOLINKSYS, WUSB54AG), 179191983Sweongyo UPGT_DEV(CONCEPTRONIC, PRISM_GT), 180191983Sweongyo UPGT_DEV(DELL, PRISM_GT_1), 181191983Sweongyo UPGT_DEV(DELL, PRISM_GT_2), 182191983Sweongyo UPGT_DEV(FSC, E5400), 183191983Sweongyo UPGT_DEV(GLOBESPAN, PRISM_GT_1), 184191983Sweongyo UPGT_DEV(GLOBESPAN, PRISM_GT_2), 185191983Sweongyo UPGT_DEV(INTERSIL, PRISM_GT), 186191983Sweongyo UPGT_DEV(SMC, 2862WG), 187209447Sthompsa UPGT_DEV(USR, USR5422), 188191983Sweongyo UPGT_DEV(WISTRONNEWEB, UR045G), 189191983Sweongyo UPGT_DEV(XYRATEX, PRISM_GT_1), 190191983Sweongyo UPGT_DEV(XYRATEX, PRISM_GT_2), 191191983Sweongyo UPGT_DEV(ZCOM, XG703A), 192191983Sweongyo UPGT_DEV(ZCOM, XM142) 193191983Sweongyo}; 194191983Sweongyo 195193045Sthompsastatic usb_callback_t upgt_bulk_rx_callback; 196193045Sthompsastatic usb_callback_t upgt_bulk_tx_callback; 197191983Sweongyo 198192984Sthompsastatic const struct usb_config upgt_config[UPGT_N_XFERS] = { 199191983Sweongyo [UPGT_BULK_TX] = { 200191983Sweongyo .type = UE_BULK, 201191983Sweongyo .endpoint = UE_ADDR_ANY, 202191983Sweongyo .direction = UE_DIR_OUT, 203191983Sweongyo .bufsize = MCLBYTES, 204191983Sweongyo .flags = { 205191983Sweongyo .ext_buffer = 1, 206191983Sweongyo .force_short_xfer = 1, 207191983Sweongyo .pipe_bof = 1 208191983Sweongyo }, 209191983Sweongyo .callback = upgt_bulk_tx_callback, 210191983Sweongyo .timeout = UPGT_USB_TIMEOUT, /* ms */ 211191983Sweongyo }, 212191983Sweongyo [UPGT_BULK_RX] = { 213191983Sweongyo .type = UE_BULK, 214191983Sweongyo .endpoint = UE_ADDR_ANY, 215191983Sweongyo .direction = UE_DIR_IN, 216191983Sweongyo .bufsize = MCLBYTES, 217191983Sweongyo .flags = { 218191983Sweongyo .ext_buffer = 1, 219191983Sweongyo .pipe_bof = 1, 220191983Sweongyo .short_xfer_ok = 1 221191983Sweongyo }, 222191983Sweongyo .callback = upgt_bulk_rx_callback, 223191983Sweongyo }, 224191983Sweongyo}; 225191983Sweongyo 226191983Sweongyostatic int 227191983Sweongyoupgt_match(device_t dev) 228191983Sweongyo{ 229192984Sthompsa struct usb_attach_arg *uaa = device_get_ivars(dev); 230191983Sweongyo 231192499Sthompsa if (uaa->usb_mode != USB_MODE_HOST) 232191983Sweongyo return (ENXIO); 233191983Sweongyo if (uaa->info.bConfigIndex != UPGT_CONFIG_INDEX) 234191983Sweongyo return (ENXIO); 235191983Sweongyo if (uaa->info.bIfaceIndex != UPGT_IFACE_INDEX) 236191983Sweongyo return (ENXIO); 237191983Sweongyo 238194228Sthompsa return (usbd_lookup_id_by_uaa(upgt_devs_2, sizeof(upgt_devs_2), uaa)); 239191983Sweongyo} 240191983Sweongyo 241191983Sweongyostatic int 242191983Sweongyoupgt_attach(device_t dev) 243191983Sweongyo{ 244191983Sweongyo int error; 245191983Sweongyo struct ieee80211com *ic; 246191983Sweongyo struct ifnet *ifp; 247191983Sweongyo struct upgt_softc *sc = device_get_softc(dev); 248192984Sthompsa struct usb_attach_arg *uaa = device_get_ivars(dev); 249191983Sweongyo uint8_t bands, iface_index = UPGT_IFACE_INDEX; 250191983Sweongyo 251191983Sweongyo sc->sc_dev = dev; 252191983Sweongyo sc->sc_udev = uaa->device; 253191983Sweongyo#ifdef UPGT_DEBUG 254191983Sweongyo sc->sc_debug = upgt_debug; 255191983Sweongyo#endif 256194228Sthompsa device_set_usb_desc(dev); 257191983Sweongyo 258191983Sweongyo mtx_init(&sc->sc_mtx, device_get_nameunit(sc->sc_dev), MTX_NETWORK_LOCK, 259191983Sweongyo MTX_DEF); 260191983Sweongyo callout_init(&sc->sc_led_ch, 0); 261191983Sweongyo callout_init(&sc->sc_watchdog_ch, 0); 262191983Sweongyo 263191983Sweongyo /* Allocate TX and RX xfers. */ 264191983Sweongyo error = upgt_alloc_tx(sc); 265191983Sweongyo if (error) 266191983Sweongyo goto fail1; 267191983Sweongyo error = upgt_alloc_rx(sc); 268191983Sweongyo if (error) 269191983Sweongyo goto fail2; 270191983Sweongyo 271194228Sthompsa error = usbd_transfer_setup(uaa->device, &iface_index, sc->sc_xfer, 272191983Sweongyo upgt_config, UPGT_N_XFERS, sc, &sc->sc_mtx); 273191983Sweongyo if (error) { 274191983Sweongyo device_printf(dev, "could not allocate USB transfers, " 275194228Sthompsa "err=%s\n", usbd_errstr(error)); 276191983Sweongyo goto fail3; 277191983Sweongyo } 278191983Sweongyo 279191983Sweongyo ifp = sc->sc_ifp = if_alloc(IFT_IEEE80211); 280191983Sweongyo if (ifp == NULL) { 281191983Sweongyo device_printf(dev, "can not if_alloc()\n"); 282191983Sweongyo goto fail4; 283191983Sweongyo } 284191983Sweongyo 285191983Sweongyo /* Initialize the device. */ 286191983Sweongyo error = upgt_device_reset(sc); 287191983Sweongyo if (error) 288191983Sweongyo goto fail5; 289191983Sweongyo /* Verify the firmware. */ 290191983Sweongyo error = upgt_fw_verify(sc); 291191983Sweongyo if (error) 292191983Sweongyo goto fail5; 293191983Sweongyo /* Calculate device memory space. */ 294191983Sweongyo if (sc->sc_memaddr_frame_start == 0 || sc->sc_memaddr_frame_end == 0) { 295191983Sweongyo device_printf(dev, 296199816Sthompsa "could not find memory space addresses on FW\n"); 297191983Sweongyo error = EIO; 298191983Sweongyo goto fail5; 299191983Sweongyo } 300191983Sweongyo sc->sc_memaddr_frame_end -= UPGT_MEMSIZE_RX + 1; 301191983Sweongyo sc->sc_memaddr_rx_start = sc->sc_memaddr_frame_end + 1; 302191983Sweongyo 303191983Sweongyo DPRINTF(sc, UPGT_DEBUG_FW, "memory address frame start=0x%08x\n", 304191983Sweongyo sc->sc_memaddr_frame_start); 305191983Sweongyo DPRINTF(sc, UPGT_DEBUG_FW, "memory address frame end=0x%08x\n", 306191983Sweongyo sc->sc_memaddr_frame_end); 307191983Sweongyo DPRINTF(sc, UPGT_DEBUG_FW, "memory address rx start=0x%08x\n", 308191983Sweongyo sc->sc_memaddr_rx_start); 309191983Sweongyo 310191983Sweongyo upgt_mem_init(sc); 311191983Sweongyo 312191983Sweongyo /* Load the firmware. */ 313191983Sweongyo error = upgt_fw_load(sc); 314191983Sweongyo if (error) 315191983Sweongyo goto fail5; 316191983Sweongyo 317191983Sweongyo /* Read the whole EEPROM content and parse it. */ 318191983Sweongyo error = upgt_eeprom_read(sc); 319191983Sweongyo if (error) 320191983Sweongyo goto fail5; 321191983Sweongyo error = upgt_eeprom_parse(sc); 322191983Sweongyo if (error) 323191983Sweongyo goto fail5; 324191983Sweongyo 325191983Sweongyo /* all works related with the device have done here. */ 326191983Sweongyo upgt_abort_xfers(sc); 327191983Sweongyo 328191983Sweongyo /* Setup the 802.11 device. */ 329191983Sweongyo ifp->if_softc = sc; 330191983Sweongyo if_initname(ifp, "upgt", device_get_unit(sc->sc_dev)); 331191983Sweongyo ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST; 332191983Sweongyo ifp->if_init = upgt_init; 333191983Sweongyo ifp->if_ioctl = upgt_ioctl; 334191983Sweongyo ifp->if_start = upgt_start; 335207554Ssobomax IFQ_SET_MAXLEN(&ifp->if_snd, ifqmaxlen); 336191983Sweongyo IFQ_SET_READY(&ifp->if_snd); 337191983Sweongyo 338191983Sweongyo ic = ifp->if_l2com; 339191983Sweongyo ic->ic_ifp = ifp; 340191983Sweongyo ic->ic_phytype = IEEE80211_T_OFDM; /* not only, but not used */ 341191983Sweongyo ic->ic_opmode = IEEE80211_M_STA; 342191983Sweongyo /* set device capabilities */ 343191983Sweongyo ic->ic_caps = 344191983Sweongyo IEEE80211_C_STA /* station mode */ 345191983Sweongyo | IEEE80211_C_MONITOR /* monitor mode */ 346191983Sweongyo | IEEE80211_C_SHPREAMBLE /* short preamble supported */ 347191983Sweongyo | IEEE80211_C_SHSLOT /* short slot time supported */ 348191983Sweongyo | IEEE80211_C_BGSCAN /* capable of bg scanning */ 349191983Sweongyo | IEEE80211_C_WPA /* 802.11i */ 350191983Sweongyo ; 351191983Sweongyo 352191983Sweongyo bands = 0; 353191983Sweongyo setbit(&bands, IEEE80211_MODE_11B); 354191983Sweongyo setbit(&bands, IEEE80211_MODE_11G); 355191983Sweongyo ieee80211_init_channels(ic, NULL, &bands); 356191983Sweongyo 357191983Sweongyo ieee80211_ifattach(ic, sc->sc_myaddr); 358191983Sweongyo ic->ic_raw_xmit = upgt_raw_xmit; 359191983Sweongyo ic->ic_scan_start = upgt_scan_start; 360191983Sweongyo ic->ic_scan_end = upgt_scan_end; 361191983Sweongyo ic->ic_set_channel = upgt_set_channel; 362191983Sweongyo 363191983Sweongyo ic->ic_vap_create = upgt_vap_create; 364191983Sweongyo ic->ic_vap_delete = upgt_vap_delete; 365191983Sweongyo ic->ic_update_mcast = upgt_update_mcast; 366191983Sweongyo 367192468Ssam ieee80211_radiotap_attach(ic, 368192468Ssam &sc->sc_txtap.wt_ihdr, sizeof(sc->sc_txtap), 369192468Ssam UPGT_TX_RADIOTAP_PRESENT, 370192468Ssam &sc->sc_rxtap.wr_ihdr, sizeof(sc->sc_rxtap), 371192468Ssam UPGT_RX_RADIOTAP_PRESENT); 372191983Sweongyo 373191983Sweongyo upgt_sysctl_node(sc); 374191983Sweongyo 375191983Sweongyo if (bootverbose) 376191983Sweongyo ieee80211_announce(ic); 377191983Sweongyo 378191983Sweongyo return (0); 379191983Sweongyo 380191983Sweongyofail5: if_free(ifp); 381194228Sthompsafail4: usbd_transfer_unsetup(sc->sc_xfer, UPGT_N_XFERS); 382191983Sweongyofail3: upgt_free_rx(sc); 383191983Sweongyofail2: upgt_free_tx(sc); 384191983Sweongyofail1: mtx_destroy(&sc->sc_mtx); 385191983Sweongyo 386191983Sweongyo return (error); 387191983Sweongyo} 388191983Sweongyo 389191983Sweongyostatic void 390192984Sthompsaupgt_txeof(struct usb_xfer *xfer, struct upgt_data *data) 391191983Sweongyo{ 392194677Sthompsa struct upgt_softc *sc = usbd_xfer_softc(xfer); 393191983Sweongyo struct ifnet *ifp = sc->sc_ifp; 394191983Sweongyo struct mbuf *m; 395191983Sweongyo 396191983Sweongyo UPGT_ASSERT_LOCKED(sc); 397191983Sweongyo 398191983Sweongyo /* 399191983Sweongyo * Do any tx complete callback. Note this must be done before releasing 400191983Sweongyo * the node reference. 401191983Sweongyo */ 402191983Sweongyo if (data->m) { 403191983Sweongyo m = data->m; 404191983Sweongyo if (m->m_flags & M_TXCB) { 405191983Sweongyo /* XXX status? */ 406191983Sweongyo ieee80211_process_callback(data->ni, m, 0); 407191983Sweongyo } 408191983Sweongyo m_freem(m); 409191983Sweongyo data->m = NULL; 410191983Sweongyo } 411191983Sweongyo if (data->ni) { 412191983Sweongyo ieee80211_free_node(data->ni); 413191983Sweongyo data->ni = NULL; 414191983Sweongyo } 415191983Sweongyo ifp->if_opackets++; 416191983Sweongyo} 417191983Sweongyo 418191983Sweongyostatic void 419191983Sweongyoupgt_get_stats(struct upgt_softc *sc) 420191983Sweongyo{ 421191983Sweongyo struct upgt_data *data_cmd; 422191983Sweongyo struct upgt_lmac_mem *mem; 423191983Sweongyo struct upgt_lmac_stats *stats; 424191983Sweongyo 425191983Sweongyo data_cmd = upgt_getbuf(sc); 426191983Sweongyo if (data_cmd == NULL) { 427191983Sweongyo device_printf(sc->sc_dev, "%s: out of buffer.\n", __func__); 428191983Sweongyo return; 429191983Sweongyo } 430191983Sweongyo 431191983Sweongyo /* 432191983Sweongyo * Transmit the URB containing the CMD data. 433191983Sweongyo */ 434191983Sweongyo bzero(data_cmd->buf, MCLBYTES); 435191983Sweongyo 436191983Sweongyo mem = (struct upgt_lmac_mem *)data_cmd->buf; 437191983Sweongyo mem->addr = htole32(sc->sc_memaddr_frame_start + 438191983Sweongyo UPGT_MEMSIZE_FRAME_HEAD); 439191983Sweongyo 440191983Sweongyo stats = (struct upgt_lmac_stats *)(mem + 1); 441191983Sweongyo 442191983Sweongyo stats->header1.flags = 0; 443191983Sweongyo stats->header1.type = UPGT_H1_TYPE_CTRL; 444191983Sweongyo stats->header1.len = htole16( 445191983Sweongyo sizeof(struct upgt_lmac_stats) - sizeof(struct upgt_lmac_header)); 446191983Sweongyo 447191983Sweongyo stats->header2.reqid = htole32(sc->sc_memaddr_frame_start); 448191983Sweongyo stats->header2.type = htole16(UPGT_H2_TYPE_STATS); 449191983Sweongyo stats->header2.flags = 0; 450191983Sweongyo 451191983Sweongyo data_cmd->buflen = sizeof(*mem) + sizeof(*stats); 452191983Sweongyo 453191983Sweongyo mem->chksum = upgt_chksum_le((uint32_t *)stats, 454191983Sweongyo data_cmd->buflen - sizeof(*mem)); 455191983Sweongyo 456191983Sweongyo upgt_bulk_tx(sc, data_cmd); 457191983Sweongyo} 458191983Sweongyo 459191983Sweongyostatic int 460191983Sweongyoupgt_ioctl(struct ifnet *ifp, u_long cmd, caddr_t data) 461191983Sweongyo{ 462191983Sweongyo struct upgt_softc *sc = ifp->if_softc; 463191983Sweongyo struct ieee80211com *ic = ifp->if_l2com; 464191983Sweongyo struct ifreq *ifr = (struct ifreq *) data; 465191983Sweongyo int error = 0, startall = 0; 466191983Sweongyo 467191983Sweongyo switch (cmd) { 468191983Sweongyo case SIOCSIFFLAGS: 469191983Sweongyo if (ifp->if_flags & IFF_UP) { 470191983Sweongyo if (ifp->if_drv_flags & IFF_DRV_RUNNING) { 471191983Sweongyo if ((ifp->if_flags ^ sc->sc_if_flags) & 472191983Sweongyo (IFF_ALLMULTI | IFF_PROMISC)) 473191983Sweongyo upgt_set_multi(sc); 474191983Sweongyo } else { 475191983Sweongyo upgt_init(sc); 476191983Sweongyo startall = 1; 477191983Sweongyo } 478191983Sweongyo } else { 479191983Sweongyo if (ifp->if_drv_flags & IFF_DRV_RUNNING) 480191983Sweongyo upgt_stop(sc); 481191983Sweongyo } 482191983Sweongyo sc->sc_if_flags = ifp->if_flags; 483191983Sweongyo if (startall) 484191983Sweongyo ieee80211_start_all(ic); 485191983Sweongyo break; 486191983Sweongyo case SIOCGIFMEDIA: 487191983Sweongyo error = ifmedia_ioctl(ifp, ifr, &ic->ic_media, cmd); 488191983Sweongyo break; 489191983Sweongyo case SIOCGIFADDR: 490191983Sweongyo error = ether_ioctl(ifp, cmd, data); 491191983Sweongyo break; 492191983Sweongyo default: 493191983Sweongyo error = EINVAL; 494191983Sweongyo break; 495191983Sweongyo } 496191983Sweongyo return error; 497191983Sweongyo} 498191983Sweongyo 499191983Sweongyostatic void 500191983Sweongyoupgt_stop_locked(struct upgt_softc *sc) 501191983Sweongyo{ 502191983Sweongyo struct ifnet *ifp = sc->sc_ifp; 503191983Sweongyo 504191983Sweongyo UPGT_ASSERT_LOCKED(sc); 505191983Sweongyo 506191983Sweongyo if (ifp->if_drv_flags & IFF_DRV_RUNNING) 507191983Sweongyo upgt_set_macfilter(sc, IEEE80211_S_INIT); 508191983Sweongyo upgt_abort_xfers_locked(sc); 509191983Sweongyo} 510191983Sweongyo 511191983Sweongyostatic void 512191983Sweongyoupgt_stop(struct upgt_softc *sc) 513191983Sweongyo{ 514191983Sweongyo struct ifnet *ifp = sc->sc_ifp; 515191983Sweongyo 516191983Sweongyo UPGT_LOCK(sc); 517191983Sweongyo upgt_stop_locked(sc); 518191983Sweongyo UPGT_UNLOCK(sc); 519191983Sweongyo 520191983Sweongyo /* device down */ 521191983Sweongyo sc->sc_tx_timer = 0; 522191983Sweongyo ifp->if_drv_flags &= ~(IFF_DRV_RUNNING | IFF_DRV_OACTIVE); 523191983Sweongyo sc->sc_flags &= ~UPGT_FLAG_INITDONE; 524191983Sweongyo} 525191983Sweongyo 526191983Sweongyostatic void 527191983Sweongyoupgt_set_led(struct upgt_softc *sc, int action) 528191983Sweongyo{ 529191983Sweongyo struct upgt_data *data_cmd; 530191983Sweongyo struct upgt_lmac_mem *mem; 531191983Sweongyo struct upgt_lmac_led *led; 532191983Sweongyo 533191983Sweongyo data_cmd = upgt_getbuf(sc); 534191983Sweongyo if (data_cmd == NULL) { 535191983Sweongyo device_printf(sc->sc_dev, "%s: out of buffers.\n", __func__); 536191983Sweongyo return; 537191983Sweongyo } 538191983Sweongyo 539191983Sweongyo /* 540191983Sweongyo * Transmit the URB containing the CMD data. 541191983Sweongyo */ 542191983Sweongyo bzero(data_cmd->buf, MCLBYTES); 543191983Sweongyo 544191983Sweongyo mem = (struct upgt_lmac_mem *)data_cmd->buf; 545191983Sweongyo mem->addr = htole32(sc->sc_memaddr_frame_start + 546191983Sweongyo UPGT_MEMSIZE_FRAME_HEAD); 547191983Sweongyo 548191983Sweongyo led = (struct upgt_lmac_led *)(mem + 1); 549191983Sweongyo 550191983Sweongyo led->header1.flags = UPGT_H1_FLAGS_TX_NO_CALLBACK; 551191983Sweongyo led->header1.type = UPGT_H1_TYPE_CTRL; 552191983Sweongyo led->header1.len = htole16( 553191983Sweongyo sizeof(struct upgt_lmac_led) - 554191983Sweongyo sizeof(struct upgt_lmac_header)); 555191983Sweongyo 556191983Sweongyo led->header2.reqid = htole32(sc->sc_memaddr_frame_start); 557191983Sweongyo led->header2.type = htole16(UPGT_H2_TYPE_LED); 558191983Sweongyo led->header2.flags = 0; 559191983Sweongyo 560191983Sweongyo switch (action) { 561191983Sweongyo case UPGT_LED_OFF: 562191983Sweongyo led->mode = htole16(UPGT_LED_MODE_SET); 563191983Sweongyo led->action_fix = 0; 564191983Sweongyo led->action_tmp = htole16(UPGT_LED_ACTION_OFF); 565191983Sweongyo led->action_tmp_dur = 0; 566191983Sweongyo break; 567191983Sweongyo case UPGT_LED_ON: 568191983Sweongyo led->mode = htole16(UPGT_LED_MODE_SET); 569191983Sweongyo led->action_fix = 0; 570191983Sweongyo led->action_tmp = htole16(UPGT_LED_ACTION_ON); 571191983Sweongyo led->action_tmp_dur = 0; 572191983Sweongyo break; 573191983Sweongyo case UPGT_LED_BLINK: 574191983Sweongyo if (sc->sc_state != IEEE80211_S_RUN) { 575191983Sweongyo STAILQ_INSERT_TAIL(&sc->sc_tx_inactive, data_cmd, next); 576191983Sweongyo return; 577191983Sweongyo } 578191983Sweongyo if (sc->sc_led_blink) { 579191983Sweongyo /* previous blink was not finished */ 580191983Sweongyo STAILQ_INSERT_TAIL(&sc->sc_tx_inactive, data_cmd, next); 581191983Sweongyo return; 582191983Sweongyo } 583191983Sweongyo led->mode = htole16(UPGT_LED_MODE_SET); 584191983Sweongyo led->action_fix = htole16(UPGT_LED_ACTION_OFF); 585191983Sweongyo led->action_tmp = htole16(UPGT_LED_ACTION_ON); 586191983Sweongyo led->action_tmp_dur = htole16(UPGT_LED_ACTION_TMP_DUR); 587191983Sweongyo /* lock blink */ 588191983Sweongyo sc->sc_led_blink = 1; 589191983Sweongyo callout_reset(&sc->sc_led_ch, hz, upgt_set_led_blink, sc); 590191983Sweongyo break; 591191983Sweongyo default: 592191983Sweongyo STAILQ_INSERT_TAIL(&sc->sc_tx_inactive, data_cmd, next); 593191983Sweongyo return; 594191983Sweongyo } 595191983Sweongyo 596191983Sweongyo data_cmd->buflen = sizeof(*mem) + sizeof(*led); 597191983Sweongyo 598191983Sweongyo mem->chksum = upgt_chksum_le((uint32_t *)led, 599191983Sweongyo data_cmd->buflen - sizeof(*mem)); 600191983Sweongyo 601191983Sweongyo upgt_bulk_tx(sc, data_cmd); 602191983Sweongyo} 603191983Sweongyo 604191983Sweongyostatic void 605191983Sweongyoupgt_set_led_blink(void *arg) 606191983Sweongyo{ 607191983Sweongyo struct upgt_softc *sc = arg; 608191983Sweongyo 609191983Sweongyo /* blink finished, we are ready for a next one */ 610191983Sweongyo sc->sc_led_blink = 0; 611191983Sweongyo} 612191983Sweongyo 613191983Sweongyostatic void 614191983Sweongyoupgt_init(void *priv) 615191983Sweongyo{ 616191983Sweongyo struct upgt_softc *sc = priv; 617191983Sweongyo struct ifnet *ifp = sc->sc_ifp; 618191983Sweongyo struct ieee80211com *ic = ifp->if_l2com; 619191983Sweongyo 620191983Sweongyo UPGT_LOCK(sc); 621191983Sweongyo upgt_init_locked(sc); 622191983Sweongyo UPGT_UNLOCK(sc); 623191983Sweongyo 624191983Sweongyo if (ifp->if_drv_flags & IFF_DRV_RUNNING) 625191983Sweongyo ieee80211_start_all(ic); /* start all vap's */ 626191983Sweongyo} 627191983Sweongyo 628191983Sweongyostatic void 629191983Sweongyoupgt_init_locked(struct upgt_softc *sc) 630191983Sweongyo{ 631191983Sweongyo struct ifnet *ifp = sc->sc_ifp; 632191983Sweongyo 633191983Sweongyo UPGT_ASSERT_LOCKED(sc); 634191983Sweongyo 635191983Sweongyo if (ifp->if_drv_flags & IFF_DRV_RUNNING) 636191983Sweongyo upgt_stop_locked(sc); 637191983Sweongyo 638194228Sthompsa usbd_transfer_start(sc->sc_xfer[UPGT_BULK_RX]); 639191983Sweongyo 640191983Sweongyo (void)upgt_set_macfilter(sc, IEEE80211_S_SCAN); 641191983Sweongyo 642191983Sweongyo ifp->if_drv_flags &= ~IFF_DRV_OACTIVE; 643191983Sweongyo ifp->if_drv_flags |= IFF_DRV_RUNNING; 644191983Sweongyo sc->sc_flags |= UPGT_FLAG_INITDONE; 645191983Sweongyo 646191983Sweongyo callout_reset(&sc->sc_watchdog_ch, hz, upgt_watchdog, sc); 647191983Sweongyo} 648191983Sweongyo 649191983Sweongyostatic int 650191983Sweongyoupgt_set_macfilter(struct upgt_softc *sc, uint8_t state) 651191983Sweongyo{ 652191983Sweongyo struct ifnet *ifp = sc->sc_ifp; 653191983Sweongyo struct ieee80211com *ic = ifp->if_l2com; 654191983Sweongyo struct ieee80211vap *vap = TAILQ_FIRST(&ic->ic_vaps); 655212131Sthompsa struct ieee80211_node *ni; 656191983Sweongyo struct upgt_data *data_cmd; 657191983Sweongyo struct upgt_lmac_mem *mem; 658191983Sweongyo struct upgt_lmac_filter *filter; 659191983Sweongyo uint8_t broadcast[] = { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff }; 660191983Sweongyo 661191983Sweongyo UPGT_ASSERT_LOCKED(sc); 662191983Sweongyo 663191983Sweongyo data_cmd = upgt_getbuf(sc); 664191983Sweongyo if (data_cmd == NULL) { 665191983Sweongyo device_printf(sc->sc_dev, "out of TX buffers.\n"); 666191983Sweongyo return (ENOBUFS); 667191983Sweongyo } 668191983Sweongyo 669191983Sweongyo /* 670191983Sweongyo * Transmit the URB containing the CMD data. 671191983Sweongyo */ 672191983Sweongyo bzero(data_cmd->buf, MCLBYTES); 673191983Sweongyo 674191983Sweongyo mem = (struct upgt_lmac_mem *)data_cmd->buf; 675191983Sweongyo mem->addr = htole32(sc->sc_memaddr_frame_start + 676191983Sweongyo UPGT_MEMSIZE_FRAME_HEAD); 677191983Sweongyo 678191983Sweongyo filter = (struct upgt_lmac_filter *)(mem + 1); 679191983Sweongyo 680191983Sweongyo filter->header1.flags = UPGT_H1_FLAGS_TX_NO_CALLBACK; 681191983Sweongyo filter->header1.type = UPGT_H1_TYPE_CTRL; 682191983Sweongyo filter->header1.len = htole16( 683191983Sweongyo sizeof(struct upgt_lmac_filter) - 684191983Sweongyo sizeof(struct upgt_lmac_header)); 685191983Sweongyo 686191983Sweongyo filter->header2.reqid = htole32(sc->sc_memaddr_frame_start); 687191983Sweongyo filter->header2.type = htole16(UPGT_H2_TYPE_MACFILTER); 688191983Sweongyo filter->header2.flags = 0; 689191983Sweongyo 690191983Sweongyo switch (state) { 691191983Sweongyo case IEEE80211_S_INIT: 692191983Sweongyo DPRINTF(sc, UPGT_DEBUG_STATE, "%s: set MAC filter to INIT\n", 693191983Sweongyo __func__); 694191983Sweongyo filter->type = htole16(UPGT_FILTER_TYPE_RESET); 695191983Sweongyo break; 696191983Sweongyo case IEEE80211_S_SCAN: 697191983Sweongyo DPRINTF(sc, UPGT_DEBUG_STATE, 698191983Sweongyo "set MAC filter to SCAN (bssid %s)\n", 699191983Sweongyo ether_sprintf(broadcast)); 700191983Sweongyo filter->type = htole16(UPGT_FILTER_TYPE_NONE); 701191983Sweongyo IEEE80211_ADDR_COPY(filter->dst, sc->sc_myaddr); 702191983Sweongyo IEEE80211_ADDR_COPY(filter->src, broadcast); 703191983Sweongyo filter->unknown1 = htole16(UPGT_FILTER_UNKNOWN1); 704191983Sweongyo filter->rxaddr = htole32(sc->sc_memaddr_rx_start); 705191983Sweongyo filter->unknown2 = htole16(UPGT_FILTER_UNKNOWN2); 706191983Sweongyo filter->rxhw = htole32(sc->sc_eeprom_hwrx); 707191983Sweongyo filter->unknown3 = htole16(UPGT_FILTER_UNKNOWN3); 708191983Sweongyo break; 709191983Sweongyo case IEEE80211_S_RUN: 710212127Sthompsa ni = ieee80211_ref_node(vap->iv_bss); 711191983Sweongyo /* XXX monitor mode isn't tested yet. */ 712191983Sweongyo if (vap->iv_opmode == IEEE80211_M_MONITOR) { 713191983Sweongyo filter->type = htole16(UPGT_FILTER_TYPE_MONITOR); 714191983Sweongyo IEEE80211_ADDR_COPY(filter->dst, sc->sc_myaddr); 715191983Sweongyo IEEE80211_ADDR_COPY(filter->src, ni->ni_bssid); 716191983Sweongyo filter->unknown1 = htole16(UPGT_FILTER_MONITOR_UNKNOWN1); 717191983Sweongyo filter->rxaddr = htole32(sc->sc_memaddr_rx_start); 718191983Sweongyo filter->unknown2 = htole16(UPGT_FILTER_MONITOR_UNKNOWN2); 719191983Sweongyo filter->rxhw = htole32(sc->sc_eeprom_hwrx); 720191983Sweongyo filter->unknown3 = htole16(UPGT_FILTER_MONITOR_UNKNOWN3); 721191983Sweongyo } else { 722191983Sweongyo DPRINTF(sc, UPGT_DEBUG_STATE, 723191983Sweongyo "set MAC filter to RUN (bssid %s)\n", 724191983Sweongyo ether_sprintf(ni->ni_bssid)); 725191983Sweongyo filter->type = htole16(UPGT_FILTER_TYPE_STA); 726191983Sweongyo IEEE80211_ADDR_COPY(filter->dst, sc->sc_myaddr); 727191983Sweongyo IEEE80211_ADDR_COPY(filter->src, ni->ni_bssid); 728191983Sweongyo filter->unknown1 = htole16(UPGT_FILTER_UNKNOWN1); 729191983Sweongyo filter->rxaddr = htole32(sc->sc_memaddr_rx_start); 730191983Sweongyo filter->unknown2 = htole16(UPGT_FILTER_UNKNOWN2); 731191983Sweongyo filter->rxhw = htole32(sc->sc_eeprom_hwrx); 732191983Sweongyo filter->unknown3 = htole16(UPGT_FILTER_UNKNOWN3); 733191983Sweongyo } 734212127Sthompsa ieee80211_free_node(ni); 735191983Sweongyo break; 736191983Sweongyo default: 737191983Sweongyo device_printf(sc->sc_dev, 738199816Sthompsa "MAC filter does not know that state\n"); 739191983Sweongyo break; 740191983Sweongyo } 741191983Sweongyo 742191983Sweongyo data_cmd->buflen = sizeof(*mem) + sizeof(*filter); 743191983Sweongyo 744191983Sweongyo mem->chksum = upgt_chksum_le((uint32_t *)filter, 745191983Sweongyo data_cmd->buflen - sizeof(*mem)); 746191983Sweongyo 747191983Sweongyo upgt_bulk_tx(sc, data_cmd); 748191983Sweongyo 749191983Sweongyo return (0); 750191983Sweongyo} 751191983Sweongyo 752191983Sweongyostatic void 753191983Sweongyoupgt_setup_rates(struct ieee80211vap *vap, struct ieee80211com *ic) 754191983Sweongyo{ 755191983Sweongyo struct ifnet *ifp = ic->ic_ifp; 756191983Sweongyo struct upgt_softc *sc = ifp->if_softc; 757191983Sweongyo const struct ieee80211_txparam *tp; 758191983Sweongyo 759191983Sweongyo /* 760191983Sweongyo * 0x01 = OFMD6 0x10 = DS1 761191983Sweongyo * 0x04 = OFDM9 0x11 = DS2 762191983Sweongyo * 0x06 = OFDM12 0x12 = DS5 763191983Sweongyo * 0x07 = OFDM18 0x13 = DS11 764191983Sweongyo * 0x08 = OFDM24 765191983Sweongyo * 0x09 = OFDM36 766191983Sweongyo * 0x0a = OFDM48 767191983Sweongyo * 0x0b = OFDM54 768191983Sweongyo */ 769191983Sweongyo const uint8_t rateset_auto_11b[] = 770191983Sweongyo { 0x13, 0x13, 0x12, 0x11, 0x11, 0x10, 0x10, 0x10 }; 771191983Sweongyo const uint8_t rateset_auto_11g[] = 772191983Sweongyo { 0x0b, 0x0a, 0x09, 0x08, 0x07, 0x06, 0x04, 0x01 }; 773191983Sweongyo const uint8_t rateset_fix_11bg[] = 774191983Sweongyo { 0x10, 0x11, 0x12, 0x13, 0x01, 0x04, 0x06, 0x07, 775191983Sweongyo 0x08, 0x09, 0x0a, 0x0b }; 776191983Sweongyo 777191983Sweongyo tp = &vap->iv_txparms[ieee80211_chan2mode(ic->ic_curchan)]; 778191983Sweongyo 779191983Sweongyo /* XXX */ 780191983Sweongyo if (tp->ucastrate == IEEE80211_FIXED_RATE_NONE) { 781191983Sweongyo /* 782191983Sweongyo * Automatic rate control is done by the device. 783191983Sweongyo * We just pass the rateset from which the device 784191983Sweongyo * will pickup a rate. 785191983Sweongyo */ 786191983Sweongyo if (ic->ic_curmode == IEEE80211_MODE_11B) 787191983Sweongyo bcopy(rateset_auto_11b, sc->sc_cur_rateset, 788191983Sweongyo sizeof(sc->sc_cur_rateset)); 789191983Sweongyo if (ic->ic_curmode == IEEE80211_MODE_11G || 790191983Sweongyo ic->ic_curmode == IEEE80211_MODE_AUTO) 791191983Sweongyo bcopy(rateset_auto_11g, sc->sc_cur_rateset, 792191983Sweongyo sizeof(sc->sc_cur_rateset)); 793191983Sweongyo } else { 794191983Sweongyo /* set a fixed rate */ 795191983Sweongyo memset(sc->sc_cur_rateset, rateset_fix_11bg[tp->ucastrate], 796191983Sweongyo sizeof(sc->sc_cur_rateset)); 797191983Sweongyo } 798191983Sweongyo} 799191983Sweongyo 800191983Sweongyostatic void 801191983Sweongyoupgt_set_multi(void *arg) 802191983Sweongyo{ 803191983Sweongyo struct upgt_softc *sc = arg; 804191983Sweongyo struct ifnet *ifp = sc->sc_ifp; 805191983Sweongyo 806191983Sweongyo if (!(ifp->if_flags & IFF_UP)) 807191983Sweongyo return; 808191983Sweongyo 809191983Sweongyo /* 810191983Sweongyo * XXX don't know how to set a device. Lack of docs. Just try to set 811191983Sweongyo * IFF_ALLMULTI flag here. 812191983Sweongyo */ 813191983Sweongyo ifp->if_flags |= IFF_ALLMULTI; 814191983Sweongyo} 815191983Sweongyo 816191983Sweongyostatic void 817191983Sweongyoupgt_start(struct ifnet *ifp) 818191983Sweongyo{ 819191983Sweongyo struct upgt_softc *sc = ifp->if_softc; 820191983Sweongyo struct upgt_data *data_tx; 821191983Sweongyo struct ieee80211_node *ni; 822191983Sweongyo struct mbuf *m; 823191983Sweongyo 824191983Sweongyo if ((ifp->if_drv_flags & IFF_DRV_RUNNING) == 0) 825191983Sweongyo return; 826191983Sweongyo 827191983Sweongyo UPGT_LOCK(sc); 828191983Sweongyo for (;;) { 829191983Sweongyo IFQ_DRV_DEQUEUE(&ifp->if_snd, m); 830191983Sweongyo if (m == NULL) 831191983Sweongyo break; 832191983Sweongyo 833191983Sweongyo data_tx = upgt_gettxbuf(sc); 834191983Sweongyo if (data_tx == NULL) { 835191983Sweongyo IFQ_DRV_PREPEND(&ifp->if_snd, m); 836191983Sweongyo break; 837191983Sweongyo } 838191983Sweongyo 839191983Sweongyo ni = (struct ieee80211_node *)m->m_pkthdr.rcvif; 840191983Sweongyo m->m_pkthdr.rcvif = NULL; 841191983Sweongyo 842191983Sweongyo if (upgt_tx_start(sc, m, ni, data_tx) != 0) { 843191983Sweongyo STAILQ_INSERT_HEAD(&sc->sc_tx_inactive, data_tx, next); 844191983Sweongyo UPGT_STAT_INC(sc, st_tx_inactive); 845191983Sweongyo ieee80211_free_node(ni); 846191983Sweongyo ifp->if_oerrors++; 847191983Sweongyo continue; 848191983Sweongyo } 849191983Sweongyo sc->sc_tx_timer = 5; 850191983Sweongyo } 851191983Sweongyo UPGT_UNLOCK(sc); 852191983Sweongyo} 853191983Sweongyo 854191983Sweongyostatic int 855191983Sweongyoupgt_raw_xmit(struct ieee80211_node *ni, struct mbuf *m, 856191983Sweongyo const struct ieee80211_bpf_params *params) 857191983Sweongyo{ 858191983Sweongyo struct ieee80211com *ic = ni->ni_ic; 859191983Sweongyo struct ifnet *ifp = ic->ic_ifp; 860191983Sweongyo struct upgt_softc *sc = ifp->if_softc; 861191983Sweongyo struct upgt_data *data_tx = NULL; 862191983Sweongyo 863191983Sweongyo /* prevent management frames from being sent if we're not ready */ 864191983Sweongyo if (!(ifp->if_drv_flags & IFF_DRV_RUNNING)) { 865191983Sweongyo m_freem(m); 866191983Sweongyo ieee80211_free_node(ni); 867191983Sweongyo return ENETDOWN; 868191983Sweongyo } 869191983Sweongyo 870191983Sweongyo UPGT_LOCK(sc); 871191983Sweongyo data_tx = upgt_gettxbuf(sc); 872191983Sweongyo if (data_tx == NULL) { 873191983Sweongyo ieee80211_free_node(ni); 874191983Sweongyo m_freem(m); 875191983Sweongyo UPGT_UNLOCK(sc); 876191983Sweongyo return (ENOBUFS); 877191983Sweongyo } 878191983Sweongyo 879191983Sweongyo if (upgt_tx_start(sc, m, ni, data_tx) != 0) { 880191983Sweongyo STAILQ_INSERT_HEAD(&sc->sc_tx_inactive, data_tx, next); 881191983Sweongyo UPGT_STAT_INC(sc, st_tx_inactive); 882191983Sweongyo ieee80211_free_node(ni); 883191983Sweongyo ifp->if_oerrors++; 884191983Sweongyo UPGT_UNLOCK(sc); 885191983Sweongyo return (EIO); 886191983Sweongyo } 887191983Sweongyo UPGT_UNLOCK(sc); 888191983Sweongyo 889191983Sweongyo sc->sc_tx_timer = 5; 890191983Sweongyo return (0); 891191983Sweongyo} 892191983Sweongyo 893191983Sweongyostatic void 894191983Sweongyoupgt_watchdog(void *arg) 895191983Sweongyo{ 896191983Sweongyo struct upgt_softc *sc = arg; 897191983Sweongyo struct ifnet *ifp = sc->sc_ifp; 898191983Sweongyo 899191983Sweongyo if (sc->sc_tx_timer > 0) { 900191983Sweongyo if (--sc->sc_tx_timer == 0) { 901191983Sweongyo device_printf(sc->sc_dev, "watchdog timeout\n"); 902191983Sweongyo /* upgt_init(ifp); XXX needs a process context ? */ 903191983Sweongyo ifp->if_oerrors++; 904191983Sweongyo return; 905191983Sweongyo } 906191983Sweongyo callout_reset(&sc->sc_watchdog_ch, hz, upgt_watchdog, sc); 907191983Sweongyo } 908191983Sweongyo} 909191983Sweongyo 910191983Sweongyostatic uint32_t 911191983Sweongyoupgt_mem_alloc(struct upgt_softc *sc) 912191983Sweongyo{ 913191983Sweongyo int i; 914191983Sweongyo 915191983Sweongyo for (i = 0; i < sc->sc_memory.pages; i++) { 916191983Sweongyo if (sc->sc_memory.page[i].used == 0) { 917191983Sweongyo sc->sc_memory.page[i].used = 1; 918191983Sweongyo return (sc->sc_memory.page[i].addr); 919191983Sweongyo } 920191983Sweongyo } 921191983Sweongyo 922191983Sweongyo return (0); 923191983Sweongyo} 924191983Sweongyo 925191983Sweongyostatic void 926191983Sweongyoupgt_scan_start(struct ieee80211com *ic) 927191983Sweongyo{ 928191983Sweongyo /* do nothing. */ 929191983Sweongyo} 930191983Sweongyo 931191983Sweongyostatic void 932191983Sweongyoupgt_scan_end(struct ieee80211com *ic) 933191983Sweongyo{ 934191983Sweongyo /* do nothing. */ 935191983Sweongyo} 936191983Sweongyo 937191983Sweongyostatic void 938191983Sweongyoupgt_set_channel(struct ieee80211com *ic) 939191983Sweongyo{ 940191983Sweongyo struct upgt_softc *sc = ic->ic_ifp->if_softc; 941191983Sweongyo 942191983Sweongyo UPGT_LOCK(sc); 943191983Sweongyo upgt_set_chan(sc, ic->ic_curchan); 944191983Sweongyo UPGT_UNLOCK(sc); 945191983Sweongyo} 946191983Sweongyo 947191983Sweongyostatic void 948191983Sweongyoupgt_set_chan(struct upgt_softc *sc, struct ieee80211_channel *c) 949191983Sweongyo{ 950191983Sweongyo struct ifnet *ifp = sc->sc_ifp; 951191983Sweongyo struct ieee80211com *ic = ifp->if_l2com; 952191983Sweongyo struct upgt_data *data_cmd; 953191983Sweongyo struct upgt_lmac_mem *mem; 954191983Sweongyo struct upgt_lmac_channel *chan; 955191983Sweongyo int channel; 956191983Sweongyo 957191983Sweongyo UPGT_ASSERT_LOCKED(sc); 958191983Sweongyo 959191983Sweongyo channel = ieee80211_chan2ieee(ic, c); 960191983Sweongyo if (channel == 0 || channel == IEEE80211_CHAN_ANY) { 961191983Sweongyo /* XXX should NEVER happen */ 962191983Sweongyo device_printf(sc->sc_dev, 963191983Sweongyo "%s: invalid channel %x\n", __func__, channel); 964191983Sweongyo return; 965191983Sweongyo } 966191983Sweongyo 967191983Sweongyo DPRINTF(sc, UPGT_DEBUG_STATE, "%s: channel %d\n", __func__, channel); 968191983Sweongyo 969191983Sweongyo data_cmd = upgt_getbuf(sc); 970191983Sweongyo if (data_cmd == NULL) { 971191983Sweongyo device_printf(sc->sc_dev, "%s: out of buffers.\n", __func__); 972191983Sweongyo return; 973191983Sweongyo } 974191983Sweongyo /* 975191983Sweongyo * Transmit the URB containing the CMD data. 976191983Sweongyo */ 977191983Sweongyo bzero(data_cmd->buf, MCLBYTES); 978191983Sweongyo 979191983Sweongyo mem = (struct upgt_lmac_mem *)data_cmd->buf; 980191983Sweongyo mem->addr = htole32(sc->sc_memaddr_frame_start + 981191983Sweongyo UPGT_MEMSIZE_FRAME_HEAD); 982191983Sweongyo 983191983Sweongyo chan = (struct upgt_lmac_channel *)(mem + 1); 984191983Sweongyo 985191983Sweongyo chan->header1.flags = UPGT_H1_FLAGS_TX_NO_CALLBACK; 986191983Sweongyo chan->header1.type = UPGT_H1_TYPE_CTRL; 987191983Sweongyo chan->header1.len = htole16( 988191983Sweongyo sizeof(struct upgt_lmac_channel) - sizeof(struct upgt_lmac_header)); 989191983Sweongyo 990191983Sweongyo chan->header2.reqid = htole32(sc->sc_memaddr_frame_start); 991191983Sweongyo chan->header2.type = htole16(UPGT_H2_TYPE_CHANNEL); 992191983Sweongyo chan->header2.flags = 0; 993191983Sweongyo 994191983Sweongyo chan->unknown1 = htole16(UPGT_CHANNEL_UNKNOWN1); 995191983Sweongyo chan->unknown2 = htole16(UPGT_CHANNEL_UNKNOWN2); 996191983Sweongyo chan->freq6 = sc->sc_eeprom_freq6[channel]; 997191983Sweongyo chan->settings = sc->sc_eeprom_freq6_settings; 998191983Sweongyo chan->unknown3 = UPGT_CHANNEL_UNKNOWN3; 999191983Sweongyo 1000191983Sweongyo bcopy(&sc->sc_eeprom_freq3[channel].data, chan->freq3_1, 1001191983Sweongyo sizeof(chan->freq3_1)); 1002191983Sweongyo bcopy(&sc->sc_eeprom_freq4[channel], chan->freq4, 1003191983Sweongyo sizeof(sc->sc_eeprom_freq4[channel])); 1004191983Sweongyo bcopy(&sc->sc_eeprom_freq3[channel].data, chan->freq3_2, 1005191983Sweongyo sizeof(chan->freq3_2)); 1006191983Sweongyo 1007191983Sweongyo data_cmd->buflen = sizeof(*mem) + sizeof(*chan); 1008191983Sweongyo 1009191983Sweongyo mem->chksum = upgt_chksum_le((uint32_t *)chan, 1010191983Sweongyo data_cmd->buflen - sizeof(*mem)); 1011191983Sweongyo 1012191983Sweongyo upgt_bulk_tx(sc, data_cmd); 1013191983Sweongyo} 1014191983Sweongyo 1015191983Sweongyostatic struct ieee80211vap * 1016191983Sweongyoupgt_vap_create(struct ieee80211com *ic, 1017191983Sweongyo const char name[IFNAMSIZ], int unit, int opmode, int flags, 1018191983Sweongyo const uint8_t bssid[IEEE80211_ADDR_LEN], 1019191983Sweongyo const uint8_t mac[IEEE80211_ADDR_LEN]) 1020191983Sweongyo{ 1021191983Sweongyo struct upgt_vap *uvp; 1022191983Sweongyo struct ieee80211vap *vap; 1023191983Sweongyo 1024191983Sweongyo if (!TAILQ_EMPTY(&ic->ic_vaps)) /* only one at a time */ 1025191983Sweongyo return NULL; 1026191983Sweongyo uvp = (struct upgt_vap *) malloc(sizeof(struct upgt_vap), 1027191983Sweongyo M_80211_VAP, M_NOWAIT | M_ZERO); 1028191983Sweongyo if (uvp == NULL) 1029191983Sweongyo return NULL; 1030191983Sweongyo vap = &uvp->vap; 1031191983Sweongyo /* enable s/w bmiss handling for sta mode */ 1032191983Sweongyo ieee80211_vap_setup(ic, vap, name, unit, opmode, 1033191983Sweongyo flags | IEEE80211_CLONE_NOBEACONS, bssid, mac); 1034191983Sweongyo 1035191983Sweongyo /* override state transition machine */ 1036191983Sweongyo uvp->newstate = vap->iv_newstate; 1037191983Sweongyo vap->iv_newstate = upgt_newstate; 1038191983Sweongyo 1039191983Sweongyo /* setup device rates */ 1040191983Sweongyo upgt_setup_rates(vap, ic); 1041191983Sweongyo 1042191983Sweongyo /* complete setup */ 1043191983Sweongyo ieee80211_vap_attach(vap, ieee80211_media_change, 1044191983Sweongyo ieee80211_media_status); 1045191983Sweongyo ic->ic_opmode = opmode; 1046191983Sweongyo return vap; 1047191983Sweongyo} 1048191983Sweongyo 1049191983Sweongyostatic int 1050191983Sweongyoupgt_newstate(struct ieee80211vap *vap, enum ieee80211_state nstate, int arg) 1051191983Sweongyo{ 1052191983Sweongyo struct upgt_vap *uvp = UPGT_VAP(vap); 1053191983Sweongyo struct ieee80211com *ic = vap->iv_ic; 1054191983Sweongyo struct upgt_softc *sc = ic->ic_ifp->if_softc; 1055191983Sweongyo 1056191983Sweongyo /* do it in a process context */ 1057191983Sweongyo sc->sc_state = nstate; 1058191983Sweongyo 1059191983Sweongyo IEEE80211_UNLOCK(ic); 1060191983Sweongyo UPGT_LOCK(sc); 1061191983Sweongyo callout_stop(&sc->sc_led_ch); 1062191983Sweongyo callout_stop(&sc->sc_watchdog_ch); 1063191983Sweongyo 1064191983Sweongyo switch (nstate) { 1065191983Sweongyo case IEEE80211_S_INIT: 1066191983Sweongyo /* do not accept any frames if the device is down */ 1067191983Sweongyo (void)upgt_set_macfilter(sc, sc->sc_state); 1068191983Sweongyo upgt_set_led(sc, UPGT_LED_OFF); 1069191983Sweongyo break; 1070191983Sweongyo case IEEE80211_S_SCAN: 1071191983Sweongyo upgt_set_chan(sc, ic->ic_curchan); 1072191983Sweongyo break; 1073191983Sweongyo case IEEE80211_S_AUTH: 1074191983Sweongyo upgt_set_chan(sc, ic->ic_curchan); 1075191983Sweongyo break; 1076191983Sweongyo case IEEE80211_S_ASSOC: 1077191983Sweongyo break; 1078191983Sweongyo case IEEE80211_S_RUN: 1079191983Sweongyo upgt_set_macfilter(sc, sc->sc_state); 1080191983Sweongyo upgt_set_led(sc, UPGT_LED_ON); 1081191983Sweongyo break; 1082191983Sweongyo default: 1083191983Sweongyo break; 1084191983Sweongyo } 1085191983Sweongyo UPGT_UNLOCK(sc); 1086191983Sweongyo IEEE80211_LOCK(ic); 1087191983Sweongyo return (uvp->newstate(vap, nstate, arg)); 1088191983Sweongyo} 1089191983Sweongyo 1090191983Sweongyostatic void 1091191983Sweongyoupgt_vap_delete(struct ieee80211vap *vap) 1092191983Sweongyo{ 1093191983Sweongyo struct upgt_vap *uvp = UPGT_VAP(vap); 1094191983Sweongyo 1095191983Sweongyo ieee80211_vap_detach(vap); 1096191983Sweongyo free(uvp, M_80211_VAP); 1097191983Sweongyo} 1098191983Sweongyo 1099191983Sweongyostatic void 1100191983Sweongyoupgt_update_mcast(struct ifnet *ifp) 1101191983Sweongyo{ 1102191983Sweongyo struct upgt_softc *sc = ifp->if_softc; 1103191983Sweongyo 1104191983Sweongyo upgt_set_multi(sc); 1105191983Sweongyo} 1106191983Sweongyo 1107191983Sweongyostatic int 1108191983Sweongyoupgt_eeprom_parse(struct upgt_softc *sc) 1109191983Sweongyo{ 1110191983Sweongyo struct upgt_eeprom_header *eeprom_header; 1111191983Sweongyo struct upgt_eeprom_option *eeprom_option; 1112191983Sweongyo uint16_t option_len; 1113191983Sweongyo uint16_t option_type; 1114191983Sweongyo uint16_t preamble_len; 1115191983Sweongyo int option_end = 0; 1116191983Sweongyo 1117191983Sweongyo /* calculate eeprom options start offset */ 1118191983Sweongyo eeprom_header = (struct upgt_eeprom_header *)sc->sc_eeprom; 1119191983Sweongyo preamble_len = le16toh(eeprom_header->preamble_len); 1120191983Sweongyo eeprom_option = (struct upgt_eeprom_option *)(sc->sc_eeprom + 1121191983Sweongyo (sizeof(struct upgt_eeprom_header) + preamble_len)); 1122191983Sweongyo 1123191983Sweongyo while (!option_end) { 1124191983Sweongyo /* the eeprom option length is stored in words */ 1125191983Sweongyo option_len = 1126191983Sweongyo (le16toh(eeprom_option->len) - 1) * sizeof(uint16_t); 1127191983Sweongyo option_type = 1128191983Sweongyo le16toh(eeprom_option->type); 1129191983Sweongyo 1130191983Sweongyo switch (option_type) { 1131191983Sweongyo case UPGT_EEPROM_TYPE_NAME: 1132191983Sweongyo DPRINTF(sc, UPGT_DEBUG_FW, 1133191983Sweongyo "EEPROM name len=%d\n", option_len); 1134191983Sweongyo break; 1135191983Sweongyo case UPGT_EEPROM_TYPE_SERIAL: 1136191983Sweongyo DPRINTF(sc, UPGT_DEBUG_FW, 1137191983Sweongyo "EEPROM serial len=%d\n", option_len); 1138191983Sweongyo break; 1139191983Sweongyo case UPGT_EEPROM_TYPE_MAC: 1140191983Sweongyo DPRINTF(sc, UPGT_DEBUG_FW, 1141191983Sweongyo "EEPROM mac len=%d\n", option_len); 1142191983Sweongyo 1143191983Sweongyo IEEE80211_ADDR_COPY(sc->sc_myaddr, eeprom_option->data); 1144191983Sweongyo break; 1145191983Sweongyo case UPGT_EEPROM_TYPE_HWRX: 1146191983Sweongyo DPRINTF(sc, UPGT_DEBUG_FW, 1147191983Sweongyo "EEPROM hwrx len=%d\n", option_len); 1148191983Sweongyo 1149191983Sweongyo upgt_eeprom_parse_hwrx(sc, eeprom_option->data); 1150191983Sweongyo break; 1151191983Sweongyo case UPGT_EEPROM_TYPE_CHIP: 1152191983Sweongyo DPRINTF(sc, UPGT_DEBUG_FW, 1153191983Sweongyo "EEPROM chip len=%d\n", option_len); 1154191983Sweongyo break; 1155191983Sweongyo case UPGT_EEPROM_TYPE_FREQ3: 1156191983Sweongyo DPRINTF(sc, UPGT_DEBUG_FW, 1157191983Sweongyo "EEPROM freq3 len=%d\n", option_len); 1158191983Sweongyo 1159191983Sweongyo upgt_eeprom_parse_freq3(sc, eeprom_option->data, 1160191983Sweongyo option_len); 1161191983Sweongyo break; 1162191983Sweongyo case UPGT_EEPROM_TYPE_FREQ4: 1163191983Sweongyo DPRINTF(sc, UPGT_DEBUG_FW, 1164191983Sweongyo "EEPROM freq4 len=%d\n", option_len); 1165191983Sweongyo 1166191983Sweongyo upgt_eeprom_parse_freq4(sc, eeprom_option->data, 1167191983Sweongyo option_len); 1168191983Sweongyo break; 1169191983Sweongyo case UPGT_EEPROM_TYPE_FREQ5: 1170191983Sweongyo DPRINTF(sc, UPGT_DEBUG_FW, 1171191983Sweongyo "EEPROM freq5 len=%d\n", option_len); 1172191983Sweongyo break; 1173191983Sweongyo case UPGT_EEPROM_TYPE_FREQ6: 1174191983Sweongyo DPRINTF(sc, UPGT_DEBUG_FW, 1175191983Sweongyo "EEPROM freq6 len=%d\n", option_len); 1176191983Sweongyo 1177191983Sweongyo upgt_eeprom_parse_freq6(sc, eeprom_option->data, 1178191983Sweongyo option_len); 1179191983Sweongyo break; 1180191983Sweongyo case UPGT_EEPROM_TYPE_END: 1181191983Sweongyo DPRINTF(sc, UPGT_DEBUG_FW, 1182191983Sweongyo "EEPROM end len=%d\n", option_len); 1183191983Sweongyo option_end = 1; 1184191983Sweongyo break; 1185191983Sweongyo case UPGT_EEPROM_TYPE_OFF: 1186191983Sweongyo DPRINTF(sc, UPGT_DEBUG_FW, 1187199816Sthompsa "%s: EEPROM off without end option\n", __func__); 1188191983Sweongyo return (EIO); 1189191983Sweongyo default: 1190191983Sweongyo DPRINTF(sc, UPGT_DEBUG_FW, 1191191983Sweongyo "EEPROM unknown type 0x%04x len=%d\n", 1192191983Sweongyo option_type, option_len); 1193191983Sweongyo break; 1194191983Sweongyo } 1195191983Sweongyo 1196191983Sweongyo /* jump to next EEPROM option */ 1197191983Sweongyo eeprom_option = (struct upgt_eeprom_option *) 1198191983Sweongyo (eeprom_option->data + option_len); 1199191983Sweongyo } 1200191983Sweongyo 1201191983Sweongyo return (0); 1202191983Sweongyo} 1203191983Sweongyo 1204191983Sweongyostatic void 1205191983Sweongyoupgt_eeprom_parse_freq3(struct upgt_softc *sc, uint8_t *data, int len) 1206191983Sweongyo{ 1207191983Sweongyo struct upgt_eeprom_freq3_header *freq3_header; 1208191983Sweongyo struct upgt_lmac_freq3 *freq3; 1209191983Sweongyo int i, elements, flags; 1210191983Sweongyo unsigned channel; 1211191983Sweongyo 1212191983Sweongyo freq3_header = (struct upgt_eeprom_freq3_header *)data; 1213191983Sweongyo freq3 = (struct upgt_lmac_freq3 *)(freq3_header + 1); 1214191983Sweongyo 1215191983Sweongyo flags = freq3_header->flags; 1216191983Sweongyo elements = freq3_header->elements; 1217191983Sweongyo 1218191983Sweongyo DPRINTF(sc, UPGT_DEBUG_FW, "flags=0x%02x elements=%d\n", 1219191983Sweongyo flags, elements); 1220191983Sweongyo 1221191983Sweongyo for (i = 0; i < elements; i++) { 1222191983Sweongyo channel = ieee80211_mhz2ieee(le16toh(freq3[i].freq), 0); 1223191983Sweongyo if (!(channel >= 0 && channel < IEEE80211_CHAN_MAX)) 1224191983Sweongyo continue; 1225191983Sweongyo 1226191983Sweongyo sc->sc_eeprom_freq3[channel] = freq3[i]; 1227191983Sweongyo 1228191983Sweongyo DPRINTF(sc, UPGT_DEBUG_FW, "frequence=%d, channel=%d\n", 1229191983Sweongyo le16toh(sc->sc_eeprom_freq3[channel].freq), channel); 1230191983Sweongyo } 1231191983Sweongyo} 1232191983Sweongyo 1233191983Sweongyovoid 1234191983Sweongyoupgt_eeprom_parse_freq4(struct upgt_softc *sc, uint8_t *data, int len) 1235191983Sweongyo{ 1236191983Sweongyo struct upgt_eeprom_freq4_header *freq4_header; 1237191983Sweongyo struct upgt_eeprom_freq4_1 *freq4_1; 1238191983Sweongyo struct upgt_eeprom_freq4_2 *freq4_2; 1239191983Sweongyo int i, j, elements, settings, flags; 1240191983Sweongyo unsigned channel; 1241191983Sweongyo 1242191983Sweongyo freq4_header = (struct upgt_eeprom_freq4_header *)data; 1243191983Sweongyo freq4_1 = (struct upgt_eeprom_freq4_1 *)(freq4_header + 1); 1244191983Sweongyo flags = freq4_header->flags; 1245191983Sweongyo elements = freq4_header->elements; 1246191983Sweongyo settings = freq4_header->settings; 1247191983Sweongyo 1248191983Sweongyo /* we need this value later */ 1249191983Sweongyo sc->sc_eeprom_freq6_settings = freq4_header->settings; 1250191983Sweongyo 1251191983Sweongyo DPRINTF(sc, UPGT_DEBUG_FW, "flags=0x%02x elements=%d settings=%d\n", 1252191983Sweongyo flags, elements, settings); 1253191983Sweongyo 1254191983Sweongyo for (i = 0; i < elements; i++) { 1255191983Sweongyo channel = ieee80211_mhz2ieee(le16toh(freq4_1[i].freq), 0); 1256191983Sweongyo if (!(channel >= 0 && channel < IEEE80211_CHAN_MAX)) 1257191983Sweongyo continue; 1258191983Sweongyo 1259191983Sweongyo freq4_2 = (struct upgt_eeprom_freq4_2 *)freq4_1[i].data; 1260191983Sweongyo for (j = 0; j < settings; j++) { 1261191983Sweongyo sc->sc_eeprom_freq4[channel][j].cmd = freq4_2[j]; 1262191983Sweongyo sc->sc_eeprom_freq4[channel][j].pad = 0; 1263191983Sweongyo } 1264191983Sweongyo 1265191983Sweongyo DPRINTF(sc, UPGT_DEBUG_FW, "frequence=%d, channel=%d\n", 1266191983Sweongyo le16toh(freq4_1[i].freq), channel); 1267191983Sweongyo } 1268191983Sweongyo} 1269191983Sweongyo 1270191983Sweongyovoid 1271191983Sweongyoupgt_eeprom_parse_freq6(struct upgt_softc *sc, uint8_t *data, int len) 1272191983Sweongyo{ 1273191983Sweongyo struct upgt_lmac_freq6 *freq6; 1274191983Sweongyo int i, elements; 1275191983Sweongyo unsigned channel; 1276191983Sweongyo 1277191983Sweongyo freq6 = (struct upgt_lmac_freq6 *)data; 1278191983Sweongyo elements = len / sizeof(struct upgt_lmac_freq6); 1279191983Sweongyo 1280191983Sweongyo DPRINTF(sc, UPGT_DEBUG_FW, "elements=%d\n", elements); 1281191983Sweongyo 1282191983Sweongyo for (i = 0; i < elements; i++) { 1283191983Sweongyo channel = ieee80211_mhz2ieee(le16toh(freq6[i].freq), 0); 1284191983Sweongyo if (!(channel >= 0 && channel < IEEE80211_CHAN_MAX)) 1285191983Sweongyo continue; 1286191983Sweongyo 1287191983Sweongyo sc->sc_eeprom_freq6[channel] = freq6[i]; 1288191983Sweongyo 1289191983Sweongyo DPRINTF(sc, UPGT_DEBUG_FW, "frequence=%d, channel=%d\n", 1290191983Sweongyo le16toh(sc->sc_eeprom_freq6[channel].freq), channel); 1291191983Sweongyo } 1292191983Sweongyo} 1293191983Sweongyo 1294191983Sweongyostatic void 1295191983Sweongyoupgt_eeprom_parse_hwrx(struct upgt_softc *sc, uint8_t *data) 1296191983Sweongyo{ 1297191983Sweongyo struct upgt_eeprom_option_hwrx *option_hwrx; 1298191983Sweongyo 1299191983Sweongyo option_hwrx = (struct upgt_eeprom_option_hwrx *)data; 1300191983Sweongyo 1301191983Sweongyo sc->sc_eeprom_hwrx = option_hwrx->rxfilter - UPGT_EEPROM_RX_CONST; 1302191983Sweongyo 1303191983Sweongyo DPRINTF(sc, UPGT_DEBUG_FW, "hwrx option value=0x%04x\n", 1304191983Sweongyo sc->sc_eeprom_hwrx); 1305191983Sweongyo} 1306191983Sweongyo 1307191983Sweongyostatic int 1308191983Sweongyoupgt_eeprom_read(struct upgt_softc *sc) 1309191983Sweongyo{ 1310191983Sweongyo struct upgt_data *data_cmd; 1311191983Sweongyo struct upgt_lmac_mem *mem; 1312191983Sweongyo struct upgt_lmac_eeprom *eeprom; 1313191983Sweongyo int block, error, offset; 1314191983Sweongyo 1315191983Sweongyo UPGT_LOCK(sc); 1316194228Sthompsa usb_pause_mtx(&sc->sc_mtx, 100); 1317191983Sweongyo 1318191983Sweongyo offset = 0; 1319191983Sweongyo block = UPGT_EEPROM_BLOCK_SIZE; 1320191983Sweongyo while (offset < UPGT_EEPROM_SIZE) { 1321191983Sweongyo DPRINTF(sc, UPGT_DEBUG_FW, 1322191983Sweongyo "request EEPROM block (offset=%d, len=%d)\n", offset, block); 1323191983Sweongyo 1324191983Sweongyo data_cmd = upgt_getbuf(sc); 1325191983Sweongyo if (data_cmd == NULL) { 1326191983Sweongyo UPGT_UNLOCK(sc); 1327191983Sweongyo return (ENOBUFS); 1328191983Sweongyo } 1329191983Sweongyo 1330191983Sweongyo /* 1331191983Sweongyo * Transmit the URB containing the CMD data. 1332191983Sweongyo */ 1333191983Sweongyo bzero(data_cmd->buf, MCLBYTES); 1334191983Sweongyo 1335191983Sweongyo mem = (struct upgt_lmac_mem *)data_cmd->buf; 1336191983Sweongyo mem->addr = htole32(sc->sc_memaddr_frame_start + 1337191983Sweongyo UPGT_MEMSIZE_FRAME_HEAD); 1338191983Sweongyo 1339191983Sweongyo eeprom = (struct upgt_lmac_eeprom *)(mem + 1); 1340191983Sweongyo eeprom->header1.flags = 0; 1341191983Sweongyo eeprom->header1.type = UPGT_H1_TYPE_CTRL; 1342191983Sweongyo eeprom->header1.len = htole16(( 1343191983Sweongyo sizeof(struct upgt_lmac_eeprom) - 1344191983Sweongyo sizeof(struct upgt_lmac_header)) + block); 1345191983Sweongyo 1346191983Sweongyo eeprom->header2.reqid = htole32(sc->sc_memaddr_frame_start); 1347191983Sweongyo eeprom->header2.type = htole16(UPGT_H2_TYPE_EEPROM); 1348191983Sweongyo eeprom->header2.flags = 0; 1349191983Sweongyo 1350191983Sweongyo eeprom->offset = htole16(offset); 1351191983Sweongyo eeprom->len = htole16(block); 1352191983Sweongyo 1353191983Sweongyo data_cmd->buflen = sizeof(*mem) + sizeof(*eeprom) + block; 1354191983Sweongyo 1355191983Sweongyo mem->chksum = upgt_chksum_le((uint32_t *)eeprom, 1356191983Sweongyo data_cmd->buflen - sizeof(*mem)); 1357191983Sweongyo upgt_bulk_tx(sc, data_cmd); 1358191983Sweongyo 1359191983Sweongyo error = mtx_sleep(sc, &sc->sc_mtx, 0, "eeprom_request", hz); 1360191983Sweongyo if (error != 0) { 1361191983Sweongyo device_printf(sc->sc_dev, 1362199816Sthompsa "timeout while waiting for EEPROM data\n"); 1363191983Sweongyo UPGT_UNLOCK(sc); 1364191983Sweongyo return (EIO); 1365191983Sweongyo } 1366191983Sweongyo 1367191983Sweongyo offset += block; 1368191983Sweongyo if (UPGT_EEPROM_SIZE - offset < block) 1369191983Sweongyo block = UPGT_EEPROM_SIZE - offset; 1370191983Sweongyo } 1371191983Sweongyo 1372191983Sweongyo UPGT_UNLOCK(sc); 1373191983Sweongyo return (0); 1374191983Sweongyo} 1375191983Sweongyo 1376191983Sweongyo/* 1377191983Sweongyo * When a rx data came in the function returns a mbuf and a rssi values. 1378191983Sweongyo */ 1379191983Sweongyostatic struct mbuf * 1380192984Sthompsaupgt_rxeof(struct usb_xfer *xfer, struct upgt_data *data, int *rssi) 1381191983Sweongyo{ 1382191983Sweongyo struct mbuf *m = NULL; 1383194677Sthompsa struct upgt_softc *sc = usbd_xfer_softc(xfer); 1384191983Sweongyo struct upgt_lmac_header *header; 1385191983Sweongyo struct upgt_lmac_eeprom *eeprom; 1386191983Sweongyo uint8_t h1_type; 1387191983Sweongyo uint16_t h2_type; 1388194677Sthompsa int actlen, sumlen; 1389191983Sweongyo 1390194677Sthompsa usbd_xfer_status(xfer, &actlen, &sumlen, NULL, NULL); 1391194677Sthompsa 1392191983Sweongyo UPGT_ASSERT_LOCKED(sc); 1393191983Sweongyo 1394194677Sthompsa if (actlen < 1) 1395191983Sweongyo return (NULL); 1396191983Sweongyo 1397191983Sweongyo /* Check only at the very beginning. */ 1398191983Sweongyo if (!(sc->sc_flags & UPGT_FLAG_FWLOADED) && 1399191983Sweongyo (memcmp(data->buf, "OK", 2) == 0)) { 1400191983Sweongyo sc->sc_flags |= UPGT_FLAG_FWLOADED; 1401191983Sweongyo wakeup_one(sc); 1402191983Sweongyo return (NULL); 1403191983Sweongyo } 1404191983Sweongyo 1405194677Sthompsa if (actlen < UPGT_RX_MINSZ) 1406191983Sweongyo return (NULL); 1407191983Sweongyo 1408191983Sweongyo /* 1409191983Sweongyo * Check what type of frame came in. 1410191983Sweongyo */ 1411191983Sweongyo header = (struct upgt_lmac_header *)(data->buf + 4); 1412191983Sweongyo 1413191983Sweongyo h1_type = header->header1.type; 1414191983Sweongyo h2_type = le16toh(header->header2.type); 1415191983Sweongyo 1416191983Sweongyo if (h1_type == UPGT_H1_TYPE_CTRL && h2_type == UPGT_H2_TYPE_EEPROM) { 1417191983Sweongyo eeprom = (struct upgt_lmac_eeprom *)(data->buf + 4); 1418191983Sweongyo uint16_t eeprom_offset = le16toh(eeprom->offset); 1419191983Sweongyo uint16_t eeprom_len = le16toh(eeprom->len); 1420191983Sweongyo 1421191983Sweongyo DPRINTF(sc, UPGT_DEBUG_FW, 1422191983Sweongyo "received EEPROM block (offset=%d, len=%d)\n", 1423191983Sweongyo eeprom_offset, eeprom_len); 1424191983Sweongyo 1425191983Sweongyo bcopy(data->buf + sizeof(struct upgt_lmac_eeprom) + 4, 1426191983Sweongyo sc->sc_eeprom + eeprom_offset, eeprom_len); 1427191983Sweongyo 1428191983Sweongyo /* EEPROM data has arrived in time, wakeup. */ 1429191983Sweongyo wakeup(sc); 1430191983Sweongyo } else if (h1_type == UPGT_H1_TYPE_CTRL && 1431191983Sweongyo h2_type == UPGT_H2_TYPE_TX_DONE) { 1432191983Sweongyo DPRINTF(sc, UPGT_DEBUG_XMIT, "%s: received 802.11 TX done\n", 1433191983Sweongyo __func__); 1434191983Sweongyo upgt_tx_done(sc, data->buf + 4); 1435191983Sweongyo } else if (h1_type == UPGT_H1_TYPE_RX_DATA || 1436191983Sweongyo h1_type == UPGT_H1_TYPE_RX_DATA_MGMT) { 1437191983Sweongyo DPRINTF(sc, UPGT_DEBUG_RECV, "%s: received 802.11 RX data\n", 1438191983Sweongyo __func__); 1439191983Sweongyo m = upgt_rx(sc, data->buf + 4, le16toh(header->header1.len), 1440191983Sweongyo rssi); 1441191983Sweongyo } else if (h1_type == UPGT_H1_TYPE_CTRL && 1442191983Sweongyo h2_type == UPGT_H2_TYPE_STATS) { 1443191983Sweongyo DPRINTF(sc, UPGT_DEBUG_STAT, "%s: received statistic data\n", 1444191983Sweongyo __func__); 1445191983Sweongyo /* TODO: what could we do with the statistic data? */ 1446191983Sweongyo } else { 1447191983Sweongyo /* ignore unknown frame types */ 1448191983Sweongyo DPRINTF(sc, UPGT_DEBUG_INTR, 1449191983Sweongyo "received unknown frame type 0x%02x\n", 1450191983Sweongyo header->header1.type); 1451191983Sweongyo } 1452191983Sweongyo return (m); 1453191983Sweongyo} 1454191983Sweongyo 1455191983Sweongyo/* 1456191983Sweongyo * The firmware awaits a checksum for each frame we send to it. 1457191983Sweongyo * The algorithm used therefor is uncommon but somehow similar to CRC32. 1458191983Sweongyo */ 1459191983Sweongyostatic uint32_t 1460191983Sweongyoupgt_chksum_le(const uint32_t *buf, size_t size) 1461191983Sweongyo{ 1462191983Sweongyo int i; 1463191983Sweongyo uint32_t crc = 0; 1464191983Sweongyo 1465191983Sweongyo for (i = 0; i < size; i += sizeof(uint32_t)) { 1466191983Sweongyo crc = htole32(crc ^ *buf++); 1467191983Sweongyo crc = htole32((crc >> 5) ^ (crc << 3)); 1468191983Sweongyo } 1469191983Sweongyo 1470191983Sweongyo return (crc); 1471191983Sweongyo} 1472191983Sweongyo 1473191983Sweongyostatic struct mbuf * 1474191983Sweongyoupgt_rx(struct upgt_softc *sc, uint8_t *data, int pkglen, int *rssi) 1475191983Sweongyo{ 1476191983Sweongyo struct ifnet *ifp = sc->sc_ifp; 1477191983Sweongyo struct ieee80211com *ic = ifp->if_l2com; 1478191983Sweongyo struct upgt_lmac_rx_desc *rxdesc; 1479191983Sweongyo struct mbuf *m; 1480191983Sweongyo 1481191983Sweongyo /* 1482191983Sweongyo * don't pass packets to the ieee80211 framework if the driver isn't 1483191983Sweongyo * RUNNING. 1484191983Sweongyo */ 1485191983Sweongyo if (!(ifp->if_drv_flags & IFF_DRV_RUNNING)) 1486191983Sweongyo return (NULL); 1487191983Sweongyo 1488191983Sweongyo /* access RX packet descriptor */ 1489191983Sweongyo rxdesc = (struct upgt_lmac_rx_desc *)data; 1490191983Sweongyo 1491191983Sweongyo /* create mbuf which is suitable for strict alignment archs */ 1492191983Sweongyo KASSERT((pkglen + ETHER_ALIGN) < MCLBYTES, 1493191983Sweongyo ("A current mbuf storage is small (%d)", pkglen + ETHER_ALIGN)); 1494191983Sweongyo m = m_getcl(M_DONTWAIT, MT_DATA, M_PKTHDR); 1495191983Sweongyo if (m == NULL) { 1496199816Sthompsa device_printf(sc->sc_dev, "could not create RX mbuf\n"); 1497191983Sweongyo return (NULL); 1498191983Sweongyo } 1499191983Sweongyo m_adj(m, ETHER_ALIGN); 1500191983Sweongyo bcopy(rxdesc->data, mtod(m, char *), pkglen); 1501191983Sweongyo /* trim FCS */ 1502191983Sweongyo m->m_len = m->m_pkthdr.len = pkglen - IEEE80211_CRC_LEN; 1503191983Sweongyo m->m_pkthdr.rcvif = ifp; 1504191983Sweongyo 1505192468Ssam if (ieee80211_radiotap_active(ic)) { 1506191983Sweongyo struct upgt_rx_radiotap_header *tap = &sc->sc_rxtap; 1507191983Sweongyo 1508191983Sweongyo tap->wr_flags = 0; 1509191983Sweongyo tap->wr_rate = upgt_rx_rate(sc, rxdesc->rate); 1510191983Sweongyo tap->wr_antsignal = rxdesc->rssi; 1511191983Sweongyo } 1512191983Sweongyo ifp->if_ipackets++; 1513191983Sweongyo 1514191983Sweongyo DPRINTF(sc, UPGT_DEBUG_RX_PROC, "%s: RX done\n", __func__); 1515191983Sweongyo *rssi = rxdesc->rssi; 1516191983Sweongyo return (m); 1517191983Sweongyo} 1518191983Sweongyo 1519191983Sweongyostatic uint8_t 1520191983Sweongyoupgt_rx_rate(struct upgt_softc *sc, const int rate) 1521191983Sweongyo{ 1522191983Sweongyo struct ifnet *ifp = sc->sc_ifp; 1523191983Sweongyo struct ieee80211com *ic = ifp->if_l2com; 1524191983Sweongyo static const uint8_t cck_upgt2rate[4] = { 2, 4, 11, 22 }; 1525191983Sweongyo static const uint8_t ofdm_upgt2rate[12] = 1526191983Sweongyo { 2, 4, 11, 22, 12, 18, 24, 36, 48, 72, 96, 108 }; 1527191983Sweongyo 1528191983Sweongyo if (ic->ic_curmode == IEEE80211_MODE_11B && 1529191983Sweongyo !(rate < 0 || rate > 3)) 1530191983Sweongyo return cck_upgt2rate[rate & 0xf]; 1531191983Sweongyo 1532191983Sweongyo if (ic->ic_curmode == IEEE80211_MODE_11G && 1533191983Sweongyo !(rate < 0 || rate > 11)) 1534191983Sweongyo return ofdm_upgt2rate[rate & 0xf]; 1535191983Sweongyo 1536191983Sweongyo return (0); 1537191983Sweongyo} 1538191983Sweongyo 1539191983Sweongyostatic void 1540191983Sweongyoupgt_tx_done(struct upgt_softc *sc, uint8_t *data) 1541191983Sweongyo{ 1542191983Sweongyo struct ifnet *ifp = sc->sc_ifp; 1543191983Sweongyo struct upgt_lmac_tx_done_desc *desc; 1544191983Sweongyo int i, freed = 0; 1545191983Sweongyo 1546191983Sweongyo UPGT_ASSERT_LOCKED(sc); 1547191983Sweongyo 1548191983Sweongyo desc = (struct upgt_lmac_tx_done_desc *)data; 1549191983Sweongyo 1550191983Sweongyo for (i = 0; i < UPGT_TX_MAXCOUNT; i++) { 1551191983Sweongyo struct upgt_data *data_tx = &sc->sc_tx_data[i]; 1552191983Sweongyo 1553191983Sweongyo if (data_tx->addr == le32toh(desc->header2.reqid)) { 1554191983Sweongyo upgt_mem_free(sc, data_tx->addr); 1555191983Sweongyo data_tx->ni = NULL; 1556191983Sweongyo data_tx->addr = 0; 1557191983Sweongyo data_tx->m = NULL; 1558191983Sweongyo data_tx->use = 0; 1559191983Sweongyo 1560191983Sweongyo DPRINTF(sc, UPGT_DEBUG_TX_PROC, 1561191983Sweongyo "TX done: memaddr=0x%08x, status=0x%04x, rssi=%d, ", 1562191983Sweongyo le32toh(desc->header2.reqid), 1563191983Sweongyo le16toh(desc->status), le16toh(desc->rssi)); 1564191983Sweongyo DPRINTF(sc, UPGT_DEBUG_TX_PROC, "seq=%d\n", 1565191983Sweongyo le16toh(desc->seq)); 1566191983Sweongyo 1567191983Sweongyo freed++; 1568191983Sweongyo } 1569191983Sweongyo } 1570191983Sweongyo 1571191983Sweongyo if (freed != 0) { 1572191983Sweongyo sc->sc_tx_timer = 0; 1573191983Sweongyo ifp->if_drv_flags &= ~IFF_DRV_OACTIVE; 1574191983Sweongyo UPGT_UNLOCK(sc); 1575191983Sweongyo upgt_start(ifp); 1576191983Sweongyo UPGT_LOCK(sc); 1577191983Sweongyo } 1578191983Sweongyo} 1579191983Sweongyo 1580191983Sweongyostatic void 1581191983Sweongyoupgt_mem_free(struct upgt_softc *sc, uint32_t addr) 1582191983Sweongyo{ 1583191983Sweongyo int i; 1584191983Sweongyo 1585191983Sweongyo for (i = 0; i < sc->sc_memory.pages; i++) { 1586191983Sweongyo if (sc->sc_memory.page[i].addr == addr) { 1587191983Sweongyo sc->sc_memory.page[i].used = 0; 1588191983Sweongyo return; 1589191983Sweongyo } 1590191983Sweongyo } 1591191983Sweongyo 1592191983Sweongyo device_printf(sc->sc_dev, 1593199816Sthompsa "could not free memory address 0x%08x\n", addr); 1594191983Sweongyo} 1595191983Sweongyo 1596191983Sweongyostatic int 1597191983Sweongyoupgt_fw_load(struct upgt_softc *sc) 1598191983Sweongyo{ 1599191983Sweongyo const struct firmware *fw; 1600191983Sweongyo struct upgt_data *data_cmd; 1601191983Sweongyo struct upgt_fw_x2_header *x2; 1602191983Sweongyo char start_fwload_cmd[] = { 0x3c, 0x0d }; 1603191983Sweongyo int error = 0, offset, bsize, n; 1604191983Sweongyo uint32_t crc32; 1605191983Sweongyo 1606191983Sweongyo fw = firmware_get(upgt_fwname); 1607191983Sweongyo if (fw == NULL) { 1608199816Sthompsa device_printf(sc->sc_dev, "could not read microcode %s\n", 1609191983Sweongyo upgt_fwname); 1610191983Sweongyo return (EIO); 1611191983Sweongyo } 1612191983Sweongyo 1613191983Sweongyo UPGT_LOCK(sc); 1614191983Sweongyo 1615191983Sweongyo /* send firmware start load command */ 1616191983Sweongyo data_cmd = upgt_getbuf(sc); 1617191983Sweongyo if (data_cmd == NULL) { 1618191983Sweongyo error = ENOBUFS; 1619191983Sweongyo goto fail; 1620191983Sweongyo } 1621191983Sweongyo data_cmd->buflen = sizeof(start_fwload_cmd); 1622191983Sweongyo bcopy(start_fwload_cmd, data_cmd->buf, data_cmd->buflen); 1623191983Sweongyo upgt_bulk_tx(sc, data_cmd); 1624191983Sweongyo 1625191983Sweongyo /* send X2 header */ 1626191983Sweongyo data_cmd = upgt_getbuf(sc); 1627191983Sweongyo if (data_cmd == NULL) { 1628191983Sweongyo error = ENOBUFS; 1629191983Sweongyo goto fail; 1630191983Sweongyo } 1631191983Sweongyo data_cmd->buflen = sizeof(struct upgt_fw_x2_header); 1632191983Sweongyo x2 = (struct upgt_fw_x2_header *)data_cmd->buf; 1633191983Sweongyo bcopy(UPGT_X2_SIGNATURE, x2->signature, UPGT_X2_SIGNATURE_SIZE); 1634191983Sweongyo x2->startaddr = htole32(UPGT_MEMADDR_FIRMWARE_START); 1635191983Sweongyo x2->len = htole32(fw->datasize); 1636191983Sweongyo x2->crc = upgt_crc32_le((uint8_t *)data_cmd->buf + 1637191983Sweongyo UPGT_X2_SIGNATURE_SIZE, 1638191983Sweongyo sizeof(struct upgt_fw_x2_header) - UPGT_X2_SIGNATURE_SIZE - 1639191983Sweongyo sizeof(uint32_t)); 1640191983Sweongyo upgt_bulk_tx(sc, data_cmd); 1641191983Sweongyo 1642191983Sweongyo /* download firmware */ 1643191983Sweongyo for (offset = 0; offset < fw->datasize; offset += bsize) { 1644191983Sweongyo if (fw->datasize - offset > UPGT_FW_BLOCK_SIZE) 1645191983Sweongyo bsize = UPGT_FW_BLOCK_SIZE; 1646191983Sweongyo else 1647191983Sweongyo bsize = fw->datasize - offset; 1648191983Sweongyo 1649191983Sweongyo data_cmd = upgt_getbuf(sc); 1650191983Sweongyo if (data_cmd == NULL) { 1651191983Sweongyo error = ENOBUFS; 1652191983Sweongyo goto fail; 1653191983Sweongyo } 1654191983Sweongyo n = upgt_fw_copy((const uint8_t *)fw->data + offset, 1655191983Sweongyo data_cmd->buf, bsize); 1656191983Sweongyo data_cmd->buflen = bsize; 1657191983Sweongyo upgt_bulk_tx(sc, data_cmd); 1658191983Sweongyo 1659191983Sweongyo DPRINTF(sc, UPGT_DEBUG_FW, "FW offset=%d, read=%d, sent=%d\n", 1660191983Sweongyo offset, n, bsize); 1661191983Sweongyo bsize = n; 1662191983Sweongyo } 1663191983Sweongyo DPRINTF(sc, UPGT_DEBUG_FW, "%s: firmware downloaded\n", __func__); 1664191983Sweongyo 1665191983Sweongyo /* load firmware */ 1666191983Sweongyo data_cmd = upgt_getbuf(sc); 1667191983Sweongyo if (data_cmd == NULL) { 1668191983Sweongyo error = ENOBUFS; 1669191983Sweongyo goto fail; 1670191983Sweongyo } 1671191983Sweongyo crc32 = upgt_crc32_le(fw->data, fw->datasize); 1672191983Sweongyo *((uint32_t *)(data_cmd->buf) ) = crc32; 1673191983Sweongyo *((uint8_t *)(data_cmd->buf) + 4) = 'g'; 1674191983Sweongyo *((uint8_t *)(data_cmd->buf) + 5) = '\r'; 1675191983Sweongyo data_cmd->buflen = 6; 1676191983Sweongyo upgt_bulk_tx(sc, data_cmd); 1677191983Sweongyo 1678191983Sweongyo /* waiting 'OK' response. */ 1679194228Sthompsa usbd_transfer_start(sc->sc_xfer[UPGT_BULK_RX]); 1680191983Sweongyo error = mtx_sleep(sc, &sc->sc_mtx, 0, "upgtfw", 2 * hz); 1681191983Sweongyo if (error != 0) { 1682199816Sthompsa device_printf(sc->sc_dev, "firmware load failed\n"); 1683191983Sweongyo error = EIO; 1684191983Sweongyo } 1685191983Sweongyo 1686191983Sweongyo DPRINTF(sc, UPGT_DEBUG_FW, "%s: firmware loaded\n", __func__); 1687191983Sweongyofail: 1688191983Sweongyo UPGT_UNLOCK(sc); 1689191983Sweongyo firmware_put(fw, FIRMWARE_UNLOAD); 1690191983Sweongyo return (error); 1691191983Sweongyo} 1692191983Sweongyo 1693191983Sweongyostatic uint32_t 1694191983Sweongyoupgt_crc32_le(const void *buf, size_t size) 1695191983Sweongyo{ 1696191983Sweongyo uint32_t crc; 1697191983Sweongyo 1698191983Sweongyo crc = ether_crc32_le(buf, size); 1699191983Sweongyo 1700191983Sweongyo /* apply final XOR value as common for CRC-32 */ 1701191983Sweongyo crc = htole32(crc ^ 0xffffffffU); 1702191983Sweongyo 1703191983Sweongyo return (crc); 1704191983Sweongyo} 1705191983Sweongyo 1706191983Sweongyo/* 1707191983Sweongyo * While copying the version 2 firmware, we need to replace two characters: 1708191983Sweongyo * 1709191983Sweongyo * 0x7e -> 0x7d 0x5e 1710191983Sweongyo * 0x7d -> 0x7d 0x5d 1711191983Sweongyo */ 1712191983Sweongyostatic int 1713191983Sweongyoupgt_fw_copy(const uint8_t *src, char *dst, int size) 1714191983Sweongyo{ 1715191983Sweongyo int i, j; 1716191983Sweongyo 1717191983Sweongyo for (i = 0, j = 0; i < size && j < size; i++) { 1718191983Sweongyo switch (src[i]) { 1719191983Sweongyo case 0x7e: 1720191983Sweongyo dst[j] = 0x7d; 1721191983Sweongyo j++; 1722191983Sweongyo dst[j] = 0x5e; 1723191983Sweongyo j++; 1724191983Sweongyo break; 1725191983Sweongyo case 0x7d: 1726191983Sweongyo dst[j] = 0x7d; 1727191983Sweongyo j++; 1728191983Sweongyo dst[j] = 0x5d; 1729191983Sweongyo j++; 1730191983Sweongyo break; 1731191983Sweongyo default: 1732191983Sweongyo dst[j] = src[i]; 1733191983Sweongyo j++; 1734191983Sweongyo break; 1735191983Sweongyo } 1736191983Sweongyo } 1737191983Sweongyo 1738191983Sweongyo return (i); 1739191983Sweongyo} 1740191983Sweongyo 1741191983Sweongyostatic int 1742191983Sweongyoupgt_mem_init(struct upgt_softc *sc) 1743191983Sweongyo{ 1744191983Sweongyo int i; 1745191983Sweongyo 1746191983Sweongyo for (i = 0; i < UPGT_MEMORY_MAX_PAGES; i++) { 1747191983Sweongyo sc->sc_memory.page[i].used = 0; 1748191983Sweongyo 1749191983Sweongyo if (i == 0) { 1750191983Sweongyo /* 1751191983Sweongyo * The first memory page is always reserved for 1752191983Sweongyo * command data. 1753191983Sweongyo */ 1754191983Sweongyo sc->sc_memory.page[i].addr = 1755191983Sweongyo sc->sc_memaddr_frame_start + MCLBYTES; 1756191983Sweongyo } else { 1757191983Sweongyo sc->sc_memory.page[i].addr = 1758191983Sweongyo sc->sc_memory.page[i - 1].addr + MCLBYTES; 1759191983Sweongyo } 1760191983Sweongyo 1761191983Sweongyo if (sc->sc_memory.page[i].addr + MCLBYTES >= 1762191983Sweongyo sc->sc_memaddr_frame_end) 1763191983Sweongyo break; 1764191983Sweongyo 1765191983Sweongyo DPRINTF(sc, UPGT_DEBUG_FW, "memory address page %d=0x%08x\n", 1766191983Sweongyo i, sc->sc_memory.page[i].addr); 1767191983Sweongyo } 1768191983Sweongyo 1769191983Sweongyo sc->sc_memory.pages = i; 1770191983Sweongyo 1771191983Sweongyo DPRINTF(sc, UPGT_DEBUG_FW, "memory pages=%d\n", sc->sc_memory.pages); 1772191983Sweongyo return (0); 1773191983Sweongyo} 1774191983Sweongyo 1775191983Sweongyostatic int 1776191983Sweongyoupgt_fw_verify(struct upgt_softc *sc) 1777191983Sweongyo{ 1778191983Sweongyo const struct firmware *fw; 1779191983Sweongyo const struct upgt_fw_bra_option *bra_opt; 1780191983Sweongyo const struct upgt_fw_bra_descr *descr; 1781191983Sweongyo const uint8_t *p; 1782191983Sweongyo const uint32_t *uc; 1783191983Sweongyo uint32_t bra_option_type, bra_option_len; 1784191983Sweongyo int offset, bra_end = 0, error = 0; 1785191983Sweongyo 1786191983Sweongyo fw = firmware_get(upgt_fwname); 1787191983Sweongyo if (fw == NULL) { 1788199816Sthompsa device_printf(sc->sc_dev, "could not read microcode %s\n", 1789191983Sweongyo upgt_fwname); 1790191983Sweongyo return EIO; 1791191983Sweongyo } 1792191983Sweongyo 1793191983Sweongyo /* 1794191983Sweongyo * Seek to beginning of Boot Record Area (BRA). 1795191983Sweongyo */ 1796191983Sweongyo for (offset = 0; offset < fw->datasize; offset += sizeof(*uc)) { 1797191983Sweongyo uc = (const uint32_t *)((const uint8_t *)fw->data + offset); 1798191983Sweongyo if (*uc == 0) 1799191983Sweongyo break; 1800191983Sweongyo } 1801191983Sweongyo for (; offset < fw->datasize; offset += sizeof(*uc)) { 1802191983Sweongyo uc = (const uint32_t *)((const uint8_t *)fw->data + offset); 1803191983Sweongyo if (*uc != 0) 1804191983Sweongyo break; 1805191983Sweongyo } 1806191983Sweongyo if (offset == fw->datasize) { 1807191983Sweongyo device_printf(sc->sc_dev, 1808199816Sthompsa "firmware Boot Record Area not found\n"); 1809191983Sweongyo error = EIO; 1810191983Sweongyo goto fail; 1811191983Sweongyo } 1812191983Sweongyo 1813191983Sweongyo DPRINTF(sc, UPGT_DEBUG_FW, 1814191983Sweongyo "firmware Boot Record Area found at offset %d\n", offset); 1815191983Sweongyo 1816191983Sweongyo /* 1817191983Sweongyo * Parse Boot Record Area (BRA) options. 1818191983Sweongyo */ 1819191983Sweongyo while (offset < fw->datasize && bra_end == 0) { 1820191983Sweongyo /* get current BRA option */ 1821191983Sweongyo p = (const uint8_t *)fw->data + offset; 1822191983Sweongyo bra_opt = (const struct upgt_fw_bra_option *)p; 1823191983Sweongyo bra_option_type = le32toh(bra_opt->type); 1824191983Sweongyo bra_option_len = le32toh(bra_opt->len) * sizeof(*uc); 1825191983Sweongyo 1826191983Sweongyo switch (bra_option_type) { 1827191983Sweongyo case UPGT_BRA_TYPE_FW: 1828191983Sweongyo DPRINTF(sc, UPGT_DEBUG_FW, "UPGT_BRA_TYPE_FW len=%d\n", 1829191983Sweongyo bra_option_len); 1830191983Sweongyo 1831191983Sweongyo if (bra_option_len != UPGT_BRA_FWTYPE_SIZE) { 1832191983Sweongyo device_printf(sc->sc_dev, 1833199816Sthompsa "wrong UPGT_BRA_TYPE_FW len\n"); 1834191983Sweongyo error = EIO; 1835191983Sweongyo goto fail; 1836191983Sweongyo } 1837191983Sweongyo if (memcmp(UPGT_BRA_FWTYPE_LM86, bra_opt->data, 1838191983Sweongyo bra_option_len) == 0) { 1839191983Sweongyo sc->sc_fw_type = UPGT_FWTYPE_LM86; 1840191983Sweongyo break; 1841191983Sweongyo } 1842191983Sweongyo if (memcmp(UPGT_BRA_FWTYPE_LM87, bra_opt->data, 1843191983Sweongyo bra_option_len) == 0) { 1844191983Sweongyo sc->sc_fw_type = UPGT_FWTYPE_LM87; 1845191983Sweongyo break; 1846191983Sweongyo } 1847191983Sweongyo device_printf(sc->sc_dev, 1848199816Sthompsa "unsupported firmware type\n"); 1849191983Sweongyo error = EIO; 1850191983Sweongyo goto fail; 1851191983Sweongyo case UPGT_BRA_TYPE_VERSION: 1852191983Sweongyo DPRINTF(sc, UPGT_DEBUG_FW, 1853191983Sweongyo "UPGT_BRA_TYPE_VERSION len=%d\n", bra_option_len); 1854191983Sweongyo break; 1855191983Sweongyo case UPGT_BRA_TYPE_DEPIF: 1856191983Sweongyo DPRINTF(sc, UPGT_DEBUG_FW, 1857191983Sweongyo "UPGT_BRA_TYPE_DEPIF len=%d\n", bra_option_len); 1858191983Sweongyo break; 1859191983Sweongyo case UPGT_BRA_TYPE_EXPIF: 1860191983Sweongyo DPRINTF(sc, UPGT_DEBUG_FW, 1861191983Sweongyo "UPGT_BRA_TYPE_EXPIF len=%d\n", bra_option_len); 1862191983Sweongyo break; 1863191983Sweongyo case UPGT_BRA_TYPE_DESCR: 1864191983Sweongyo DPRINTF(sc, UPGT_DEBUG_FW, 1865191983Sweongyo "UPGT_BRA_TYPE_DESCR len=%d\n", bra_option_len); 1866191983Sweongyo 1867191983Sweongyo descr = (const struct upgt_fw_bra_descr *)bra_opt->data; 1868191983Sweongyo 1869191983Sweongyo sc->sc_memaddr_frame_start = 1870191983Sweongyo le32toh(descr->memaddr_space_start); 1871191983Sweongyo sc->sc_memaddr_frame_end = 1872191983Sweongyo le32toh(descr->memaddr_space_end); 1873191983Sweongyo 1874191983Sweongyo DPRINTF(sc, UPGT_DEBUG_FW, 1875191983Sweongyo "memory address space start=0x%08x\n", 1876191983Sweongyo sc->sc_memaddr_frame_start); 1877191983Sweongyo DPRINTF(sc, UPGT_DEBUG_FW, 1878191983Sweongyo "memory address space end=0x%08x\n", 1879191983Sweongyo sc->sc_memaddr_frame_end); 1880191983Sweongyo break; 1881191983Sweongyo case UPGT_BRA_TYPE_END: 1882191983Sweongyo DPRINTF(sc, UPGT_DEBUG_FW, "UPGT_BRA_TYPE_END len=%d\n", 1883191983Sweongyo bra_option_len); 1884191983Sweongyo bra_end = 1; 1885191983Sweongyo break; 1886191983Sweongyo default: 1887191983Sweongyo DPRINTF(sc, UPGT_DEBUG_FW, "unknown BRA option len=%d\n", 1888191983Sweongyo bra_option_len); 1889191983Sweongyo error = EIO; 1890191983Sweongyo goto fail; 1891191983Sweongyo } 1892191983Sweongyo 1893191983Sweongyo /* jump to next BRA option */ 1894191983Sweongyo offset += sizeof(struct upgt_fw_bra_option) + bra_option_len; 1895191983Sweongyo } 1896191983Sweongyo 1897191983Sweongyo DPRINTF(sc, UPGT_DEBUG_FW, "%s: firmware verified", __func__); 1898191983Sweongyofail: 1899191983Sweongyo firmware_put(fw, FIRMWARE_UNLOAD); 1900191983Sweongyo return (error); 1901191983Sweongyo} 1902191983Sweongyo 1903191983Sweongyostatic void 1904191983Sweongyoupgt_bulk_tx(struct upgt_softc *sc, struct upgt_data *data) 1905191983Sweongyo{ 1906191983Sweongyo 1907191983Sweongyo UPGT_ASSERT_LOCKED(sc); 1908191983Sweongyo 1909191983Sweongyo STAILQ_INSERT_TAIL(&sc->sc_tx_pending, data, next); 1910191983Sweongyo UPGT_STAT_INC(sc, st_tx_pending); 1911194228Sthompsa usbd_transfer_start(sc->sc_xfer[UPGT_BULK_TX]); 1912191983Sweongyo} 1913191983Sweongyo 1914191983Sweongyostatic int 1915191983Sweongyoupgt_device_reset(struct upgt_softc *sc) 1916191983Sweongyo{ 1917191983Sweongyo struct upgt_data *data; 1918191983Sweongyo char init_cmd[] = { 0x7e, 0x7e, 0x7e, 0x7e }; 1919191983Sweongyo 1920191983Sweongyo UPGT_LOCK(sc); 1921191983Sweongyo 1922191983Sweongyo data = upgt_getbuf(sc); 1923191983Sweongyo if (data == NULL) { 1924191983Sweongyo UPGT_UNLOCK(sc); 1925191983Sweongyo return (ENOBUFS); 1926191983Sweongyo } 1927191983Sweongyo bcopy(init_cmd, data->buf, sizeof(init_cmd)); 1928191983Sweongyo data->buflen = sizeof(init_cmd); 1929191983Sweongyo upgt_bulk_tx(sc, data); 1930194228Sthompsa usb_pause_mtx(&sc->sc_mtx, 100); 1931191983Sweongyo 1932191983Sweongyo UPGT_UNLOCK(sc); 1933191983Sweongyo DPRINTF(sc, UPGT_DEBUG_FW, "%s: device initialized\n", __func__); 1934191983Sweongyo return (0); 1935191983Sweongyo} 1936191983Sweongyo 1937191983Sweongyostatic int 1938191983Sweongyoupgt_alloc_tx(struct upgt_softc *sc) 1939191983Sweongyo{ 1940191983Sweongyo int i; 1941191983Sweongyo 1942191983Sweongyo STAILQ_INIT(&sc->sc_tx_active); 1943191983Sweongyo STAILQ_INIT(&sc->sc_tx_inactive); 1944191983Sweongyo STAILQ_INIT(&sc->sc_tx_pending); 1945191983Sweongyo 1946191983Sweongyo for (i = 0; i < UPGT_TX_MAXCOUNT; i++) { 1947191983Sweongyo struct upgt_data *data = &sc->sc_tx_data[i]; 1948191983Sweongyo 1949191983Sweongyo data->buf = malloc(MCLBYTES, M_USBDEV, M_NOWAIT | M_ZERO); 1950191983Sweongyo if (data->buf == NULL) { 1951191983Sweongyo device_printf(sc->sc_dev, 1952199816Sthompsa "could not allocate TX buffer\n"); 1953191983Sweongyo return (ENOMEM); 1954191983Sweongyo } 1955191983Sweongyo STAILQ_INSERT_TAIL(&sc->sc_tx_inactive, data, next); 1956191983Sweongyo UPGT_STAT_INC(sc, st_tx_inactive); 1957191983Sweongyo } 1958191983Sweongyo 1959191983Sweongyo return (0); 1960191983Sweongyo} 1961191983Sweongyo 1962191983Sweongyostatic int 1963191983Sweongyoupgt_alloc_rx(struct upgt_softc *sc) 1964191983Sweongyo{ 1965191983Sweongyo int i; 1966191983Sweongyo 1967191983Sweongyo STAILQ_INIT(&sc->sc_rx_active); 1968191983Sweongyo STAILQ_INIT(&sc->sc_rx_inactive); 1969191983Sweongyo 1970191983Sweongyo for (i = 0; i < UPGT_RX_MAXCOUNT; i++) { 1971191983Sweongyo struct upgt_data *data = &sc->sc_rx_data[i]; 1972191983Sweongyo 1973191983Sweongyo data->buf = malloc(MCLBYTES, M_USBDEV, M_NOWAIT | M_ZERO); 1974191983Sweongyo if (data->buf == NULL) { 1975191983Sweongyo device_printf(sc->sc_dev, 1976199816Sthompsa "could not allocate RX buffer\n"); 1977191983Sweongyo return (ENOMEM); 1978191983Sweongyo } 1979191983Sweongyo STAILQ_INSERT_TAIL(&sc->sc_rx_inactive, data, next); 1980191983Sweongyo } 1981191983Sweongyo 1982191983Sweongyo return (0); 1983191983Sweongyo} 1984191983Sweongyo 1985191983Sweongyostatic int 1986191983Sweongyoupgt_detach(device_t dev) 1987191983Sweongyo{ 1988191983Sweongyo struct upgt_softc *sc = device_get_softc(dev); 1989191983Sweongyo struct ifnet *ifp = sc->sc_ifp; 1990191983Sweongyo struct ieee80211com *ic = ifp->if_l2com; 1991191983Sweongyo 1992191983Sweongyo if (!device_is_attached(dev)) 1993191983Sweongyo return 0; 1994191983Sweongyo 1995191983Sweongyo upgt_stop(sc); 1996191983Sweongyo 1997191983Sweongyo callout_drain(&sc->sc_led_ch); 1998191983Sweongyo callout_drain(&sc->sc_watchdog_ch); 1999191983Sweongyo 2000194228Sthompsa usbd_transfer_unsetup(sc->sc_xfer, UPGT_N_XFERS); 2001192419Sweongyo ieee80211_ifdetach(ic); 2002191983Sweongyo upgt_free_rx(sc); 2003191983Sweongyo upgt_free_tx(sc); 2004191983Sweongyo 2005191983Sweongyo if_free(ifp); 2006191983Sweongyo mtx_destroy(&sc->sc_mtx); 2007191983Sweongyo 2008191983Sweongyo return (0); 2009191983Sweongyo} 2010191983Sweongyo 2011191983Sweongyostatic void 2012191983Sweongyoupgt_free_rx(struct upgt_softc *sc) 2013191983Sweongyo{ 2014191983Sweongyo int i; 2015191983Sweongyo 2016191983Sweongyo for (i = 0; i < UPGT_RX_MAXCOUNT; i++) { 2017191983Sweongyo struct upgt_data *data = &sc->sc_rx_data[i]; 2018191983Sweongyo 2019191983Sweongyo free(data->buf, M_USBDEV); 2020191983Sweongyo data->ni = NULL; 2021191983Sweongyo } 2022191983Sweongyo} 2023191983Sweongyo 2024191983Sweongyostatic void 2025191983Sweongyoupgt_free_tx(struct upgt_softc *sc) 2026191983Sweongyo{ 2027191983Sweongyo int i; 2028191983Sweongyo 2029191983Sweongyo for (i = 0; i < UPGT_TX_MAXCOUNT; i++) { 2030191983Sweongyo struct upgt_data *data = &sc->sc_tx_data[i]; 2031191983Sweongyo 2032191983Sweongyo free(data->buf, M_USBDEV); 2033191983Sweongyo data->ni = NULL; 2034191983Sweongyo } 2035191983Sweongyo} 2036191983Sweongyo 2037191983Sweongyostatic void 2038191983Sweongyoupgt_abort_xfers_locked(struct upgt_softc *sc) 2039191983Sweongyo{ 2040191983Sweongyo int i; 2041191983Sweongyo 2042191983Sweongyo UPGT_ASSERT_LOCKED(sc); 2043191983Sweongyo /* abort any pending transfers */ 2044191983Sweongyo for (i = 0; i < UPGT_N_XFERS; i++) 2045194228Sthompsa usbd_transfer_stop(sc->sc_xfer[i]); 2046191983Sweongyo} 2047191983Sweongyo 2048191983Sweongyostatic void 2049191983Sweongyoupgt_abort_xfers(struct upgt_softc *sc) 2050191983Sweongyo{ 2051191983Sweongyo 2052191983Sweongyo UPGT_LOCK(sc); 2053191983Sweongyo upgt_abort_xfers_locked(sc); 2054191983Sweongyo UPGT_UNLOCK(sc); 2055191983Sweongyo} 2056191983Sweongyo 2057191983Sweongyo#define UPGT_SYSCTL_STAT_ADD32(c, h, n, p, d) \ 2058191983Sweongyo SYSCTL_ADD_UINT(c, h, OID_AUTO, n, CTLFLAG_RD, p, 0, d) 2059191983Sweongyo 2060191983Sweongyostatic void 2061191983Sweongyoupgt_sysctl_node(struct upgt_softc *sc) 2062191983Sweongyo{ 2063191983Sweongyo struct sysctl_ctx_list *ctx; 2064191983Sweongyo struct sysctl_oid_list *child; 2065191983Sweongyo struct sysctl_oid *tree; 2066191983Sweongyo struct upgt_stat *stats; 2067191983Sweongyo 2068191983Sweongyo stats = &sc->sc_stat; 2069191983Sweongyo ctx = device_get_sysctl_ctx(sc->sc_dev); 2070191983Sweongyo child = SYSCTL_CHILDREN(device_get_sysctl_tree(sc->sc_dev)); 2071191983Sweongyo 2072191983Sweongyo tree = SYSCTL_ADD_NODE(ctx, child, OID_AUTO, "stats", CTLFLAG_RD, 2073191983Sweongyo NULL, "UPGT statistics"); 2074191983Sweongyo child = SYSCTL_CHILDREN(tree); 2075191983Sweongyo UPGT_SYSCTL_STAT_ADD32(ctx, child, "tx_active", 2076191983Sweongyo &stats->st_tx_active, "Active numbers in TX queue"); 2077191983Sweongyo UPGT_SYSCTL_STAT_ADD32(ctx, child, "tx_inactive", 2078191983Sweongyo &stats->st_tx_inactive, "Inactive numbers in TX queue"); 2079191983Sweongyo UPGT_SYSCTL_STAT_ADD32(ctx, child, "tx_pending", 2080191983Sweongyo &stats->st_tx_pending, "Pending numbers in TX queue"); 2081191983Sweongyo} 2082191983Sweongyo 2083191983Sweongyo#undef UPGT_SYSCTL_STAT_ADD32 2084191983Sweongyo 2085191983Sweongyostatic struct upgt_data * 2086191983Sweongyo_upgt_getbuf(struct upgt_softc *sc) 2087191983Sweongyo{ 2088191983Sweongyo struct upgt_data *bf; 2089191983Sweongyo 2090191983Sweongyo bf = STAILQ_FIRST(&sc->sc_tx_inactive); 2091191983Sweongyo if (bf != NULL) { 2092191983Sweongyo STAILQ_REMOVE_HEAD(&sc->sc_tx_inactive, next); 2093191983Sweongyo UPGT_STAT_DEC(sc, st_tx_inactive); 2094191983Sweongyo } else 2095191983Sweongyo bf = NULL; 2096191983Sweongyo if (bf == NULL) 2097191983Sweongyo DPRINTF(sc, UPGT_DEBUG_XMIT, "%s: %s\n", __func__, 2098191983Sweongyo "out of xmit buffers"); 2099191983Sweongyo return (bf); 2100191983Sweongyo} 2101191983Sweongyo 2102191983Sweongyostatic struct upgt_data * 2103191983Sweongyoupgt_getbuf(struct upgt_softc *sc) 2104191983Sweongyo{ 2105191983Sweongyo struct upgt_data *bf; 2106191983Sweongyo 2107191983Sweongyo UPGT_ASSERT_LOCKED(sc); 2108191983Sweongyo 2109191983Sweongyo bf = _upgt_getbuf(sc); 2110191983Sweongyo if (bf == NULL) { 2111191983Sweongyo struct ifnet *ifp = sc->sc_ifp; 2112191983Sweongyo 2113191983Sweongyo DPRINTF(sc, UPGT_DEBUG_XMIT, "%s: stop queue\n", __func__); 2114191983Sweongyo ifp->if_drv_flags |= IFF_DRV_OACTIVE; 2115191983Sweongyo } 2116191983Sweongyo 2117191983Sweongyo return (bf); 2118191983Sweongyo} 2119191983Sweongyo 2120191983Sweongyostatic struct upgt_data * 2121191983Sweongyoupgt_gettxbuf(struct upgt_softc *sc) 2122191983Sweongyo{ 2123191983Sweongyo struct upgt_data *bf; 2124191983Sweongyo 2125191983Sweongyo UPGT_ASSERT_LOCKED(sc); 2126191983Sweongyo 2127191983Sweongyo bf = upgt_getbuf(sc); 2128191983Sweongyo if (bf == NULL) 2129191983Sweongyo return (NULL); 2130191983Sweongyo 2131191983Sweongyo bf->addr = upgt_mem_alloc(sc); 2132191983Sweongyo if (bf->addr == 0) { 2133191983Sweongyo struct ifnet *ifp = sc->sc_ifp; 2134191983Sweongyo 2135191983Sweongyo DPRINTF(sc, UPGT_DEBUG_XMIT, "%s: no free prism memory!\n", 2136191983Sweongyo __func__); 2137191983Sweongyo STAILQ_INSERT_HEAD(&sc->sc_tx_inactive, bf, next); 2138191983Sweongyo UPGT_STAT_INC(sc, st_tx_inactive); 2139191983Sweongyo if (!(ifp->if_drv_flags & IFF_DRV_OACTIVE)) 2140191983Sweongyo ifp->if_drv_flags |= IFF_DRV_OACTIVE; 2141191983Sweongyo return (NULL); 2142191983Sweongyo } 2143191983Sweongyo return (bf); 2144191983Sweongyo} 2145191983Sweongyo 2146191983Sweongyostatic int 2147191983Sweongyoupgt_tx_start(struct upgt_softc *sc, struct mbuf *m, struct ieee80211_node *ni, 2148191983Sweongyo struct upgt_data *data) 2149191983Sweongyo{ 2150192468Ssam struct ieee80211vap *vap = ni->ni_vap; 2151191983Sweongyo int error = 0, len; 2152191983Sweongyo struct ieee80211_frame *wh; 2153191983Sweongyo struct ieee80211_key *k; 2154191983Sweongyo struct ifnet *ifp = sc->sc_ifp; 2155191983Sweongyo struct upgt_lmac_mem *mem; 2156191983Sweongyo struct upgt_lmac_tx_desc *txdesc; 2157191983Sweongyo 2158191983Sweongyo UPGT_ASSERT_LOCKED(sc); 2159191983Sweongyo 2160191983Sweongyo upgt_set_led(sc, UPGT_LED_BLINK); 2161191983Sweongyo 2162191983Sweongyo /* 2163191983Sweongyo * Software crypto. 2164191983Sweongyo */ 2165191983Sweongyo wh = mtod(m, struct ieee80211_frame *); 2166191983Sweongyo if (wh->i_fc[1] & IEEE80211_FC1_WEP) { 2167191983Sweongyo k = ieee80211_crypto_encap(ni, m); 2168191983Sweongyo if (k == NULL) { 2169191983Sweongyo device_printf(sc->sc_dev, 2170191983Sweongyo "ieee80211_crypto_encap returns NULL.\n"); 2171191983Sweongyo error = EIO; 2172191983Sweongyo goto done; 2173191983Sweongyo } 2174191983Sweongyo 2175191983Sweongyo /* in case packet header moved, reset pointer */ 2176191983Sweongyo wh = mtod(m, struct ieee80211_frame *); 2177191983Sweongyo } 2178191983Sweongyo 2179191983Sweongyo /* Transmit the URB containing the TX data. */ 2180191983Sweongyo bzero(data->buf, MCLBYTES); 2181191983Sweongyo mem = (struct upgt_lmac_mem *)data->buf; 2182191983Sweongyo mem->addr = htole32(data->addr); 2183191983Sweongyo txdesc = (struct upgt_lmac_tx_desc *)(mem + 1); 2184191983Sweongyo 2185191983Sweongyo if ((wh->i_fc[0] & IEEE80211_FC0_TYPE_MASK) == 2186191983Sweongyo IEEE80211_FC0_TYPE_MGT) { 2187191983Sweongyo /* mgmt frames */ 2188191983Sweongyo txdesc->header1.flags = UPGT_H1_FLAGS_TX_MGMT; 2189191983Sweongyo /* always send mgmt frames at lowest rate (DS1) */ 2190191983Sweongyo memset(txdesc->rates, 0x10, sizeof(txdesc->rates)); 2191191983Sweongyo } else { 2192191983Sweongyo /* data frames */ 2193191983Sweongyo txdesc->header1.flags = UPGT_H1_FLAGS_TX_DATA; 2194191983Sweongyo bcopy(sc->sc_cur_rateset, txdesc->rates, sizeof(txdesc->rates)); 2195191983Sweongyo } 2196191983Sweongyo txdesc->header1.type = UPGT_H1_TYPE_TX_DATA; 2197191983Sweongyo txdesc->header1.len = htole16(m->m_pkthdr.len); 2198191983Sweongyo txdesc->header2.reqid = htole32(data->addr); 2199191983Sweongyo txdesc->header2.type = htole16(UPGT_H2_TYPE_TX_ACK_YES); 2200191983Sweongyo txdesc->header2.flags = htole16(UPGT_H2_FLAGS_TX_ACK_YES); 2201191983Sweongyo txdesc->type = htole32(UPGT_TX_DESC_TYPE_DATA); 2202191983Sweongyo txdesc->pad3[0] = UPGT_TX_DESC_PAD3_SIZE; 2203191983Sweongyo 2204192468Ssam if (ieee80211_radiotap_active_vap(vap)) { 2205191983Sweongyo struct upgt_tx_radiotap_header *tap = &sc->sc_txtap; 2206191983Sweongyo 2207191983Sweongyo tap->wt_flags = 0; 2208191983Sweongyo tap->wt_rate = 0; /* XXX where to get from? */ 2209191983Sweongyo 2210192468Ssam ieee80211_radiotap_tx(vap, m); 2211191983Sweongyo } 2212191983Sweongyo 2213191983Sweongyo /* copy frame below our TX descriptor header */ 2214191983Sweongyo m_copydata(m, 0, m->m_pkthdr.len, 2215191983Sweongyo data->buf + (sizeof(*mem) + sizeof(*txdesc))); 2216191983Sweongyo /* calculate frame size */ 2217191983Sweongyo len = sizeof(*mem) + sizeof(*txdesc) + m->m_pkthdr.len; 2218191983Sweongyo /* we need to align the frame to a 4 byte boundary */ 2219191983Sweongyo len = (len + 3) & ~3; 2220191983Sweongyo /* calculate frame checksum */ 2221191983Sweongyo mem->chksum = upgt_chksum_le((uint32_t *)txdesc, len - sizeof(*mem)); 2222191983Sweongyo data->ni = ni; 2223191983Sweongyo data->m = m; 2224191983Sweongyo data->buflen = len; 2225191983Sweongyo 2226191983Sweongyo DPRINTF(sc, UPGT_DEBUG_XMIT, "%s: TX start data sending (%d bytes)\n", 2227191983Sweongyo __func__, len); 2228191983Sweongyo KASSERT(len <= MCLBYTES, ("mbuf is small for saving data")); 2229191983Sweongyo 2230191983Sweongyo upgt_bulk_tx(sc, data); 2231191983Sweongyodone: 2232191983Sweongyo /* 2233191983Sweongyo * If we don't regulary read the device statistics, the RX queue 2234191983Sweongyo * will stall. It's strange, but it works, so we keep reading 2235191983Sweongyo * the statistics here. *shrug* 2236191983Sweongyo */ 2237191983Sweongyo if (!(ifp->if_opackets % UPGT_TX_STAT_INTERVAL)) 2238191983Sweongyo upgt_get_stats(sc); 2239191983Sweongyo 2240191983Sweongyo return (error); 2241191983Sweongyo} 2242191983Sweongyo 2243191983Sweongyostatic void 2244194677Sthompsaupgt_bulk_rx_callback(struct usb_xfer *xfer, usb_error_t error) 2245191983Sweongyo{ 2246194677Sthompsa struct upgt_softc *sc = usbd_xfer_softc(xfer); 2247191983Sweongyo struct ifnet *ifp = sc->sc_ifp; 2248191983Sweongyo struct ieee80211com *ic = ifp->if_l2com; 2249191983Sweongyo struct ieee80211_frame *wh; 2250191983Sweongyo struct ieee80211_node *ni; 2251191983Sweongyo struct mbuf *m = NULL; 2252191983Sweongyo struct upgt_data *data; 2253191983Sweongyo int8_t nf; 2254191983Sweongyo int rssi = -1; 2255191983Sweongyo 2256191983Sweongyo UPGT_ASSERT_LOCKED(sc); 2257191983Sweongyo 2258191983Sweongyo switch (USB_GET_STATE(xfer)) { 2259191983Sweongyo case USB_ST_TRANSFERRED: 2260191983Sweongyo data = STAILQ_FIRST(&sc->sc_rx_active); 2261191983Sweongyo if (data == NULL) 2262191983Sweongyo goto setup; 2263191983Sweongyo STAILQ_REMOVE_HEAD(&sc->sc_rx_active, next); 2264191983Sweongyo m = upgt_rxeof(xfer, data, &rssi); 2265191983Sweongyo STAILQ_INSERT_TAIL(&sc->sc_rx_inactive, data, next); 2266191983Sweongyo /* FALLTHROUGH */ 2267191983Sweongyo case USB_ST_SETUP: 2268191983Sweongyosetup: 2269191983Sweongyo data = STAILQ_FIRST(&sc->sc_rx_inactive); 2270191983Sweongyo if (data == NULL) 2271191983Sweongyo return; 2272191983Sweongyo STAILQ_REMOVE_HEAD(&sc->sc_rx_inactive, next); 2273191983Sweongyo STAILQ_INSERT_TAIL(&sc->sc_rx_active, data, next); 2274194677Sthompsa usbd_xfer_set_frame_data(xfer, 0, data->buf, 2275194677Sthompsa usbd_xfer_max_len(xfer)); 2276194228Sthompsa usbd_transfer_submit(xfer); 2277191983Sweongyo 2278191983Sweongyo /* 2279191983Sweongyo * To avoid LOR we should unlock our private mutex here to call 2280191983Sweongyo * ieee80211_input() because here is at the end of a USB 2281191983Sweongyo * callback and safe to unlock. 2282191983Sweongyo */ 2283191983Sweongyo UPGT_UNLOCK(sc); 2284191983Sweongyo if (m != NULL) { 2285191983Sweongyo wh = mtod(m, struct ieee80211_frame *); 2286191983Sweongyo ni = ieee80211_find_rxnode(ic, 2287191983Sweongyo (struct ieee80211_frame_min *)wh); 2288191983Sweongyo nf = -95; /* XXX */ 2289191983Sweongyo if (ni != NULL) { 2290192468Ssam (void) ieee80211_input(ni, m, rssi, nf); 2291191983Sweongyo /* node is no longer needed */ 2292191983Sweongyo ieee80211_free_node(ni); 2293191983Sweongyo } else 2294192468Ssam (void) ieee80211_input_all(ic, m, rssi, nf); 2295191983Sweongyo m = NULL; 2296191983Sweongyo } 2297198099Sweongyo if ((ifp->if_drv_flags & IFF_DRV_OACTIVE) == 0 && 2298198099Sweongyo !IFQ_IS_EMPTY(&ifp->if_snd)) 2299198099Sweongyo upgt_start(ifp); 2300191983Sweongyo UPGT_LOCK(sc); 2301191983Sweongyo break; 2302191983Sweongyo default: 2303191983Sweongyo /* needs it to the inactive queue due to a error. */ 2304191983Sweongyo data = STAILQ_FIRST(&sc->sc_rx_active); 2305191983Sweongyo if (data != NULL) { 2306191983Sweongyo STAILQ_REMOVE_HEAD(&sc->sc_rx_active, next); 2307191983Sweongyo STAILQ_INSERT_TAIL(&sc->sc_rx_inactive, data, next); 2308191983Sweongyo } 2309194677Sthompsa if (error != USB_ERR_CANCELLED) { 2310194677Sthompsa usbd_xfer_set_stall(xfer); 2311191983Sweongyo ifp->if_ierrors++; 2312191983Sweongyo goto setup; 2313191983Sweongyo } 2314191983Sweongyo break; 2315191983Sweongyo } 2316191983Sweongyo} 2317191983Sweongyo 2318191983Sweongyostatic void 2319194677Sthompsaupgt_bulk_tx_callback(struct usb_xfer *xfer, usb_error_t error) 2320191983Sweongyo{ 2321194677Sthompsa struct upgt_softc *sc = usbd_xfer_softc(xfer); 2322191983Sweongyo struct ifnet *ifp = sc->sc_ifp; 2323191983Sweongyo struct upgt_data *data; 2324191983Sweongyo 2325191983Sweongyo UPGT_ASSERT_LOCKED(sc); 2326191983Sweongyo switch (USB_GET_STATE(xfer)) { 2327191983Sweongyo case USB_ST_TRANSFERRED: 2328191983Sweongyo data = STAILQ_FIRST(&sc->sc_tx_active); 2329191983Sweongyo if (data == NULL) 2330191983Sweongyo goto setup; 2331191983Sweongyo STAILQ_REMOVE_HEAD(&sc->sc_tx_active, next); 2332191983Sweongyo UPGT_STAT_DEC(sc, st_tx_active); 2333191983Sweongyo upgt_txeof(xfer, data); 2334191983Sweongyo STAILQ_INSERT_TAIL(&sc->sc_tx_inactive, data, next); 2335191983Sweongyo UPGT_STAT_INC(sc, st_tx_inactive); 2336191983Sweongyo /* FALLTHROUGH */ 2337191983Sweongyo case USB_ST_SETUP: 2338191983Sweongyosetup: 2339191983Sweongyo data = STAILQ_FIRST(&sc->sc_tx_pending); 2340191983Sweongyo if (data == NULL) { 2341191983Sweongyo DPRINTF(sc, UPGT_DEBUG_XMIT, "%s: empty pending queue\n", 2342191983Sweongyo __func__); 2343191983Sweongyo return; 2344191983Sweongyo } 2345191983Sweongyo STAILQ_REMOVE_HEAD(&sc->sc_tx_pending, next); 2346191983Sweongyo UPGT_STAT_DEC(sc, st_tx_pending); 2347191983Sweongyo STAILQ_INSERT_TAIL(&sc->sc_tx_active, data, next); 2348191983Sweongyo UPGT_STAT_INC(sc, st_tx_active); 2349191983Sweongyo 2350194677Sthompsa usbd_xfer_set_frame_data(xfer, 0, data->buf, data->buflen); 2351194228Sthompsa usbd_transfer_submit(xfer); 2352191983Sweongyo UPGT_UNLOCK(sc); 2353191983Sweongyo upgt_start(ifp); 2354191983Sweongyo UPGT_LOCK(sc); 2355191983Sweongyo break; 2356191983Sweongyo default: 2357191983Sweongyo data = STAILQ_FIRST(&sc->sc_tx_active); 2358191983Sweongyo if (data == NULL) 2359191983Sweongyo goto setup; 2360191983Sweongyo if (data->ni != NULL) { 2361191983Sweongyo ieee80211_free_node(data->ni); 2362191983Sweongyo data->ni = NULL; 2363191983Sweongyo ifp->if_oerrors++; 2364191983Sweongyo } 2365194677Sthompsa if (error != USB_ERR_CANCELLED) { 2366194677Sthompsa usbd_xfer_set_stall(xfer); 2367191983Sweongyo goto setup; 2368191983Sweongyo } 2369191983Sweongyo break; 2370191983Sweongyo } 2371191983Sweongyo} 2372191983Sweongyo 2373191983Sweongyostatic device_method_t upgt_methods[] = { 2374191983Sweongyo /* Device interface */ 2375191983Sweongyo DEVMETHOD(device_probe, upgt_match), 2376191983Sweongyo DEVMETHOD(device_attach, upgt_attach), 2377191983Sweongyo DEVMETHOD(device_detach, upgt_detach), 2378191983Sweongyo 2379191983Sweongyo { 0, 0 } 2380191983Sweongyo}; 2381191983Sweongyo 2382191983Sweongyostatic driver_t upgt_driver = { 2383191983Sweongyo "upgt", 2384191983Sweongyo upgt_methods, 2385191983Sweongyo sizeof(struct upgt_softc) 2386191983Sweongyo}; 2387191983Sweongyo 2388191983Sweongyostatic devclass_t upgt_devclass; 2389191983Sweongyo 2390191983SweongyoDRIVER_MODULE(if_upgt, uhub, upgt_driver, upgt_devclass, NULL, 0); 2391191983SweongyoMODULE_VERSION(if_upgt, 1); 2392191983SweongyoMODULE_DEPEND(if_upgt, usb, 1, 1, 1); 2393191983SweongyoMODULE_DEPEND(if_upgt, wlan, 1, 1, 1); 2394191983SweongyoMODULE_DEPEND(if_upgt, upgtfw_fw, 1, 1, 1); 2395