1191983Sweongyo/* $OpenBSD: if_upgt.c,v 1.35 2008/04/16 18:32:15 damien Exp $ */ 2191983Sweongyo/* $FreeBSD: stable/10/sys/dev/usb/wlan/if_upgt.c 343816 2019-02-06 01:42:26Z avos $ */ 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 42191983Sweongyo#include <net80211/ieee80211_var.h> 43191983Sweongyo#include <net80211/ieee80211_phy.h> 44191983Sweongyo#include <net80211/ieee80211_radiotap.h> 45191983Sweongyo#include <net80211/ieee80211_regdomain.h> 46191983Sweongyo 47191983Sweongyo#include <net/bpf.h> 48191983Sweongyo 49191983Sweongyo#include <dev/usb/usb.h> 50194677Sthompsa#include <dev/usb/usbdi.h> 51191983Sweongyo#include "usbdevs.h" 52191983Sweongyo 53191983Sweongyo#include <dev/usb/wlan/if_upgtvar.h> 54191983Sweongyo 55191983Sweongyo/* 56191983Sweongyo * Driver for the USB PrismGT devices. 57191983Sweongyo * 58191983Sweongyo * For now just USB 2.0 devices with the GW3887 chipset are supported. 59191983Sweongyo * The driver has been written based on the firmware version 2.13.1.0_LM87. 60191983Sweongyo * 61191983Sweongyo * TODO's: 62191983Sweongyo * - MONITOR mode test. 63191983Sweongyo * - Add HOSTAP mode. 64191983Sweongyo * - Add IBSS mode. 65191983Sweongyo * - Support the USB 1.0 devices (NET2280, ISL3880, ISL3886 chipsets). 66191983Sweongyo * 67191983Sweongyo * Parts of this driver has been influenced by reading the p54u driver 68191983Sweongyo * written by Jean-Baptiste Note <jean-baptiste.note@m4x.org> and 69191983Sweongyo * Sebastien Bourdeauducq <lekernel@prism54.org>. 70191983Sweongyo */ 71191983Sweongyo 72227309Sedstatic SYSCTL_NODE(_hw, OID_AUTO, upgt, CTLFLAG_RD, 0, 73191983Sweongyo "USB PrismGT GW3887 driver parameters"); 74191983Sweongyo 75191983Sweongyo#ifdef UPGT_DEBUG 76191983Sweongyoint upgt_debug = 0; 77242126ShselaskySYSCTL_INT(_hw_upgt, OID_AUTO, debug, CTLFLAG_RW | CTLFLAG_TUN, &upgt_debug, 78191983Sweongyo 0, "control debugging printfs"); 79191983SweongyoTUNABLE_INT("hw.upgt.debug", &upgt_debug); 80191983Sweongyoenum { 81191983Sweongyo UPGT_DEBUG_XMIT = 0x00000001, /* basic xmit operation */ 82191983Sweongyo UPGT_DEBUG_RECV = 0x00000002, /* basic recv operation */ 83191983Sweongyo UPGT_DEBUG_RESET = 0x00000004, /* reset processing */ 84191983Sweongyo UPGT_DEBUG_INTR = 0x00000008, /* INTR */ 85191983Sweongyo UPGT_DEBUG_TX_PROC = 0x00000010, /* tx ISR proc */ 86191983Sweongyo UPGT_DEBUG_RX_PROC = 0x00000020, /* rx ISR proc */ 87191983Sweongyo UPGT_DEBUG_STATE = 0x00000040, /* 802.11 state transitions */ 88191983Sweongyo UPGT_DEBUG_STAT = 0x00000080, /* statistic */ 89191983Sweongyo UPGT_DEBUG_FW = 0x00000100, /* firmware */ 90191983Sweongyo UPGT_DEBUG_ANY = 0xffffffff 91191983Sweongyo}; 92191983Sweongyo#define DPRINTF(sc, m, fmt, ...) do { \ 93191983Sweongyo if (sc->sc_debug & (m)) \ 94191983Sweongyo printf(fmt, __VA_ARGS__); \ 95191983Sweongyo} while (0) 96191983Sweongyo#else 97191983Sweongyo#define DPRINTF(sc, m, fmt, ...) do { \ 98191983Sweongyo (void) sc; \ 99191983Sweongyo} while (0) 100191983Sweongyo#endif 101191983Sweongyo 102191983Sweongyo/* 103191983Sweongyo * Prototypes. 104191983Sweongyo */ 105191983Sweongyostatic device_probe_t upgt_match; 106191983Sweongyostatic device_attach_t upgt_attach; 107191983Sweongyostatic device_detach_t upgt_detach; 108191983Sweongyostatic int upgt_alloc_tx(struct upgt_softc *); 109191983Sweongyostatic int upgt_alloc_rx(struct upgt_softc *); 110191983Sweongyostatic int upgt_device_reset(struct upgt_softc *); 111191983Sweongyostatic void upgt_bulk_tx(struct upgt_softc *, struct upgt_data *); 112191983Sweongyostatic int upgt_fw_verify(struct upgt_softc *); 113191983Sweongyostatic int upgt_mem_init(struct upgt_softc *); 114191983Sweongyostatic int upgt_fw_load(struct upgt_softc *); 115191983Sweongyostatic int upgt_fw_copy(const uint8_t *, char *, int); 116191983Sweongyostatic uint32_t upgt_crc32_le(const void *, size_t); 117191983Sweongyostatic struct mbuf * 118192984Sthompsa upgt_rxeof(struct usb_xfer *, struct upgt_data *, int *); 119191983Sweongyostatic struct mbuf * 120191983Sweongyo upgt_rx(struct upgt_softc *, uint8_t *, int, int *); 121192984Sthompsastatic void upgt_txeof(struct usb_xfer *, struct upgt_data *); 122191983Sweongyostatic int upgt_eeprom_read(struct upgt_softc *); 123191983Sweongyostatic int upgt_eeprom_parse(struct upgt_softc *); 124191983Sweongyostatic void upgt_eeprom_parse_hwrx(struct upgt_softc *, uint8_t *); 125191983Sweongyostatic void upgt_eeprom_parse_freq3(struct upgt_softc *, uint8_t *, int); 126191983Sweongyostatic void upgt_eeprom_parse_freq4(struct upgt_softc *, uint8_t *, int); 127191983Sweongyostatic void upgt_eeprom_parse_freq6(struct upgt_softc *, uint8_t *, int); 128191983Sweongyostatic uint32_t upgt_chksum_le(const uint32_t *, size_t); 129191983Sweongyostatic void upgt_tx_done(struct upgt_softc *, uint8_t *); 130191983Sweongyostatic void upgt_init(void *); 131191983Sweongyostatic void upgt_init_locked(struct upgt_softc *); 132191983Sweongyostatic int upgt_ioctl(struct ifnet *, u_long, caddr_t); 133191983Sweongyostatic void upgt_start(struct ifnet *); 134191983Sweongyostatic int upgt_raw_xmit(struct ieee80211_node *, struct mbuf *, 135191983Sweongyo const struct ieee80211_bpf_params *); 136191983Sweongyostatic void upgt_scan_start(struct ieee80211com *); 137191983Sweongyostatic void upgt_scan_end(struct ieee80211com *); 138191983Sweongyostatic void upgt_set_channel(struct ieee80211com *); 139191983Sweongyostatic struct ieee80211vap *upgt_vap_create(struct ieee80211com *, 140228621Sbschmidt const char [IFNAMSIZ], int, enum ieee80211_opmode, int, 141228621Sbschmidt const uint8_t [IEEE80211_ADDR_LEN], 142228621Sbschmidt const uint8_t [IEEE80211_ADDR_LEN]); 143191983Sweongyostatic void upgt_vap_delete(struct ieee80211vap *); 144191983Sweongyostatic void upgt_update_mcast(struct ifnet *); 145191983Sweongyostatic uint8_t upgt_rx_rate(struct upgt_softc *, const int); 146191983Sweongyostatic void upgt_set_multi(void *); 147191983Sweongyostatic void upgt_stop(struct upgt_softc *); 148191983Sweongyostatic void upgt_setup_rates(struct ieee80211vap *, struct ieee80211com *); 149191983Sweongyostatic int upgt_set_macfilter(struct upgt_softc *, uint8_t); 150191983Sweongyostatic int upgt_newstate(struct ieee80211vap *, enum ieee80211_state, int); 151191983Sweongyostatic void upgt_set_chan(struct upgt_softc *, struct ieee80211_channel *); 152191983Sweongyostatic void upgt_set_led(struct upgt_softc *, int); 153191983Sweongyostatic void upgt_set_led_blink(void *); 154191983Sweongyostatic void upgt_get_stats(struct upgt_softc *); 155191983Sweongyostatic void upgt_mem_free(struct upgt_softc *, uint32_t); 156191983Sweongyostatic uint32_t upgt_mem_alloc(struct upgt_softc *); 157191983Sweongyostatic void upgt_free_tx(struct upgt_softc *); 158191983Sweongyostatic void upgt_free_rx(struct upgt_softc *); 159191983Sweongyostatic void upgt_watchdog(void *); 160191983Sweongyostatic void upgt_abort_xfers(struct upgt_softc *); 161191983Sweongyostatic void upgt_abort_xfers_locked(struct upgt_softc *); 162191983Sweongyostatic void upgt_sysctl_node(struct upgt_softc *); 163191983Sweongyostatic struct upgt_data * 164191983Sweongyo upgt_getbuf(struct upgt_softc *); 165191983Sweongyostatic struct upgt_data * 166191983Sweongyo upgt_gettxbuf(struct upgt_softc *); 167191983Sweongyostatic int upgt_tx_start(struct upgt_softc *, struct mbuf *, 168191983Sweongyo struct ieee80211_node *, struct upgt_data *); 169191983Sweongyo 170191983Sweongyostatic const char *upgt_fwname = "upgt-gw3887"; 171191983Sweongyo 172223486Shselaskystatic const STRUCT_USB_HOST_ID upgt_devs[] = { 173191983Sweongyo#define UPGT_DEV(v,p) { USB_VP(USB_VENDOR_##v, USB_PRODUCT_##v##_##p) } 174191983Sweongyo /* version 2 devices */ 175191983Sweongyo UPGT_DEV(ACCTON, PRISM_GT), 176191983Sweongyo UPGT_DEV(BELKIN, F5D7050), 177191983Sweongyo UPGT_DEV(CISCOLINKSYS, WUSB54AG), 178191983Sweongyo UPGT_DEV(CONCEPTRONIC, PRISM_GT), 179191983Sweongyo UPGT_DEV(DELL, PRISM_GT_1), 180191983Sweongyo UPGT_DEV(DELL, PRISM_GT_2), 181191983Sweongyo UPGT_DEV(FSC, E5400), 182191983Sweongyo UPGT_DEV(GLOBESPAN, PRISM_GT_1), 183191983Sweongyo UPGT_DEV(GLOBESPAN, PRISM_GT_2), 184292183Shselasky UPGT_DEV(NETGEAR, WG111V1_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, 203244503Shselasky .bufsize = MCLBYTES * UPGT_TX_MAXCOUNT, 204191983Sweongyo .flags = { 205191983Sweongyo .force_short_xfer = 1, 206191983Sweongyo .pipe_bof = 1 207191983Sweongyo }, 208191983Sweongyo .callback = upgt_bulk_tx_callback, 209191983Sweongyo .timeout = UPGT_USB_TIMEOUT, /* ms */ 210191983Sweongyo }, 211191983Sweongyo [UPGT_BULK_RX] = { 212191983Sweongyo .type = UE_BULK, 213191983Sweongyo .endpoint = UE_ADDR_ANY, 214191983Sweongyo .direction = UE_DIR_IN, 215244503Shselasky .bufsize = MCLBYTES * UPGT_RX_MAXCOUNT, 216191983Sweongyo .flags = { 217191983Sweongyo .pipe_bof = 1, 218191983Sweongyo .short_xfer_ok = 1 219191983Sweongyo }, 220191983Sweongyo .callback = upgt_bulk_rx_callback, 221191983Sweongyo }, 222191983Sweongyo}; 223191983Sweongyo 224191983Sweongyostatic int 225191983Sweongyoupgt_match(device_t dev) 226191983Sweongyo{ 227192984Sthompsa struct usb_attach_arg *uaa = device_get_ivars(dev); 228191983Sweongyo 229192499Sthompsa if (uaa->usb_mode != USB_MODE_HOST) 230191983Sweongyo return (ENXIO); 231191983Sweongyo if (uaa->info.bConfigIndex != UPGT_CONFIG_INDEX) 232191983Sweongyo return (ENXIO); 233191983Sweongyo if (uaa->info.bIfaceIndex != UPGT_IFACE_INDEX) 234191983Sweongyo return (ENXIO); 235191983Sweongyo 236223486Shselasky return (usbd_lookup_id_by_uaa(upgt_devs, sizeof(upgt_devs), uaa)); 237191983Sweongyo} 238191983Sweongyo 239191983Sweongyostatic int 240191983Sweongyoupgt_attach(device_t dev) 241191983Sweongyo{ 242191983Sweongyo int error; 243191983Sweongyo struct ieee80211com *ic; 244191983Sweongyo struct ifnet *ifp; 245191983Sweongyo struct upgt_softc *sc = device_get_softc(dev); 246192984Sthompsa struct usb_attach_arg *uaa = device_get_ivars(dev); 247191983Sweongyo uint8_t bands, iface_index = UPGT_IFACE_INDEX; 248191983Sweongyo 249191983Sweongyo sc->sc_dev = dev; 250191983Sweongyo sc->sc_udev = uaa->device; 251191983Sweongyo#ifdef UPGT_DEBUG 252191983Sweongyo sc->sc_debug = upgt_debug; 253191983Sweongyo#endif 254194228Sthompsa device_set_usb_desc(dev); 255191983Sweongyo 256191983Sweongyo mtx_init(&sc->sc_mtx, device_get_nameunit(sc->sc_dev), MTX_NETWORK_LOCK, 257191983Sweongyo MTX_DEF); 258191983Sweongyo callout_init(&sc->sc_led_ch, 0); 259191983Sweongyo callout_init(&sc->sc_watchdog_ch, 0); 260191983Sweongyo 261194228Sthompsa error = usbd_transfer_setup(uaa->device, &iface_index, sc->sc_xfer, 262191983Sweongyo upgt_config, UPGT_N_XFERS, sc, &sc->sc_mtx); 263191983Sweongyo if (error) { 264191983Sweongyo device_printf(dev, "could not allocate USB transfers, " 265194228Sthompsa "err=%s\n", usbd_errstr(error)); 266246565Shselasky goto fail1; 267191983Sweongyo } 268191983Sweongyo 269244503Shselasky sc->sc_rx_dma_buf = usbd_xfer_get_frame_buffer( 270244503Shselasky sc->sc_xfer[UPGT_BULK_RX], 0); 271244503Shselasky sc->sc_tx_dma_buf = usbd_xfer_get_frame_buffer( 272244503Shselasky sc->sc_xfer[UPGT_BULK_TX], 0); 273244503Shselasky 274246565Shselasky /* Setup TX and RX buffers */ 275246565Shselasky error = upgt_alloc_tx(sc); 276246565Shselasky if (error) 277246565Shselasky goto fail2; 278246565Shselasky error = upgt_alloc_rx(sc); 279246565Shselasky if (error) 280246565Shselasky goto fail3; 281246565Shselasky 282191983Sweongyo ifp = sc->sc_ifp = if_alloc(IFT_IEEE80211); 283191983Sweongyo if (ifp == NULL) { 284191983Sweongyo device_printf(dev, "can not if_alloc()\n"); 285191983Sweongyo goto fail4; 286191983Sweongyo } 287191983Sweongyo 288191983Sweongyo /* Initialize the device. */ 289191983Sweongyo error = upgt_device_reset(sc); 290191983Sweongyo if (error) 291191983Sweongyo goto fail5; 292191983Sweongyo /* Verify the firmware. */ 293191983Sweongyo error = upgt_fw_verify(sc); 294191983Sweongyo if (error) 295191983Sweongyo goto fail5; 296191983Sweongyo /* Calculate device memory space. */ 297191983Sweongyo if (sc->sc_memaddr_frame_start == 0 || sc->sc_memaddr_frame_end == 0) { 298191983Sweongyo device_printf(dev, 299199816Sthompsa "could not find memory space addresses on FW\n"); 300191983Sweongyo error = EIO; 301191983Sweongyo goto fail5; 302191983Sweongyo } 303191983Sweongyo sc->sc_memaddr_frame_end -= UPGT_MEMSIZE_RX + 1; 304191983Sweongyo sc->sc_memaddr_rx_start = sc->sc_memaddr_frame_end + 1; 305191983Sweongyo 306191983Sweongyo DPRINTF(sc, UPGT_DEBUG_FW, "memory address frame start=0x%08x\n", 307191983Sweongyo sc->sc_memaddr_frame_start); 308191983Sweongyo DPRINTF(sc, UPGT_DEBUG_FW, "memory address frame end=0x%08x\n", 309191983Sweongyo sc->sc_memaddr_frame_end); 310191983Sweongyo DPRINTF(sc, UPGT_DEBUG_FW, "memory address rx start=0x%08x\n", 311191983Sweongyo sc->sc_memaddr_rx_start); 312191983Sweongyo 313191983Sweongyo upgt_mem_init(sc); 314191983Sweongyo 315191983Sweongyo /* Load the firmware. */ 316191983Sweongyo error = upgt_fw_load(sc); 317191983Sweongyo if (error) 318191983Sweongyo goto fail5; 319191983Sweongyo 320191983Sweongyo /* Read the whole EEPROM content and parse it. */ 321191983Sweongyo error = upgt_eeprom_read(sc); 322191983Sweongyo if (error) 323191983Sweongyo goto fail5; 324191983Sweongyo error = upgt_eeprom_parse(sc); 325191983Sweongyo if (error) 326191983Sweongyo goto fail5; 327191983Sweongyo 328191983Sweongyo /* all works related with the device have done here. */ 329191983Sweongyo upgt_abort_xfers(sc); 330191983Sweongyo 331191983Sweongyo /* Setup the 802.11 device. */ 332191983Sweongyo ifp->if_softc = sc; 333191983Sweongyo if_initname(ifp, "upgt", device_get_unit(sc->sc_dev)); 334191983Sweongyo ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST; 335191983Sweongyo ifp->if_init = upgt_init; 336191983Sweongyo ifp->if_ioctl = upgt_ioctl; 337191983Sweongyo ifp->if_start = upgt_start; 338207554Ssobomax IFQ_SET_MAXLEN(&ifp->if_snd, ifqmaxlen); 339191983Sweongyo IFQ_SET_READY(&ifp->if_snd); 340191983Sweongyo 341191983Sweongyo ic = ifp->if_l2com; 342191983Sweongyo ic->ic_ifp = ifp; 343191983Sweongyo ic->ic_phytype = IEEE80211_T_OFDM; /* not only, but not used */ 344191983Sweongyo ic->ic_opmode = IEEE80211_M_STA; 345191983Sweongyo /* set device capabilities */ 346191983Sweongyo ic->ic_caps = 347191983Sweongyo IEEE80211_C_STA /* station mode */ 348191983Sweongyo | IEEE80211_C_MONITOR /* monitor mode */ 349191983Sweongyo | IEEE80211_C_SHPREAMBLE /* short preamble supported */ 350191983Sweongyo | IEEE80211_C_SHSLOT /* short slot time supported */ 351191983Sweongyo | IEEE80211_C_BGSCAN /* capable of bg scanning */ 352191983Sweongyo | IEEE80211_C_WPA /* 802.11i */ 353191983Sweongyo ; 354191983Sweongyo 355191983Sweongyo bands = 0; 356191983Sweongyo setbit(&bands, IEEE80211_MODE_11B); 357191983Sweongyo setbit(&bands, IEEE80211_MODE_11G); 358191983Sweongyo ieee80211_init_channels(ic, NULL, &bands); 359191983Sweongyo 360191983Sweongyo ieee80211_ifattach(ic, sc->sc_myaddr); 361191983Sweongyo ic->ic_raw_xmit = upgt_raw_xmit; 362191983Sweongyo ic->ic_scan_start = upgt_scan_start; 363191983Sweongyo ic->ic_scan_end = upgt_scan_end; 364191983Sweongyo ic->ic_set_channel = upgt_set_channel; 365191983Sweongyo 366191983Sweongyo ic->ic_vap_create = upgt_vap_create; 367191983Sweongyo ic->ic_vap_delete = upgt_vap_delete; 368191983Sweongyo ic->ic_update_mcast = upgt_update_mcast; 369191983Sweongyo 370192468Ssam ieee80211_radiotap_attach(ic, 371192468Ssam &sc->sc_txtap.wt_ihdr, sizeof(sc->sc_txtap), 372192468Ssam UPGT_TX_RADIOTAP_PRESENT, 373192468Ssam &sc->sc_rxtap.wr_ihdr, sizeof(sc->sc_rxtap), 374192468Ssam UPGT_RX_RADIOTAP_PRESENT); 375191983Sweongyo 376191983Sweongyo upgt_sysctl_node(sc); 377191983Sweongyo 378191983Sweongyo if (bootverbose) 379191983Sweongyo ieee80211_announce(ic); 380191983Sweongyo 381191983Sweongyo return (0); 382191983Sweongyo 383191983Sweongyofail5: if_free(ifp); 384246565Shselaskyfail4: upgt_free_rx(sc); 385246565Shselaskyfail3: upgt_free_tx(sc); 386246565Shselaskyfail2: usbd_transfer_unsetup(sc->sc_xfer, UPGT_N_XFERS); 387191983Sweongyofail1: mtx_destroy(&sc->sc_mtx); 388191983Sweongyo 389191983Sweongyo return (error); 390191983Sweongyo} 391191983Sweongyo 392191983Sweongyostatic void 393192984Sthompsaupgt_txeof(struct usb_xfer *xfer, struct upgt_data *data) 394191983Sweongyo{ 395194677Sthompsa struct upgt_softc *sc = usbd_xfer_softc(xfer); 396191983Sweongyo struct ifnet *ifp = sc->sc_ifp; 397191983Sweongyo struct mbuf *m; 398191983Sweongyo 399191983Sweongyo UPGT_ASSERT_LOCKED(sc); 400191983Sweongyo 401191983Sweongyo /* 402191983Sweongyo * Do any tx complete callback. Note this must be done before releasing 403191983Sweongyo * the node reference. 404191983Sweongyo */ 405191983Sweongyo if (data->m) { 406191983Sweongyo m = data->m; 407191983Sweongyo if (m->m_flags & M_TXCB) { 408191983Sweongyo /* XXX status? */ 409191983Sweongyo ieee80211_process_callback(data->ni, m, 0); 410191983Sweongyo } 411191983Sweongyo m_freem(m); 412191983Sweongyo data->m = NULL; 413191983Sweongyo } 414191983Sweongyo if (data->ni) { 415191983Sweongyo ieee80211_free_node(data->ni); 416191983Sweongyo data->ni = NULL; 417191983Sweongyo } 418191983Sweongyo ifp->if_opackets++; 419191983Sweongyo} 420191983Sweongyo 421191983Sweongyostatic void 422191983Sweongyoupgt_get_stats(struct upgt_softc *sc) 423191983Sweongyo{ 424191983Sweongyo struct upgt_data *data_cmd; 425191983Sweongyo struct upgt_lmac_mem *mem; 426191983Sweongyo struct upgt_lmac_stats *stats; 427191983Sweongyo 428191983Sweongyo data_cmd = upgt_getbuf(sc); 429191983Sweongyo if (data_cmd == NULL) { 430273883Shselasky device_printf(sc->sc_dev, "%s: out of buffers.\n", __func__); 431191983Sweongyo return; 432191983Sweongyo } 433191983Sweongyo 434191983Sweongyo /* 435191983Sweongyo * Transmit the URB containing the CMD data. 436191983Sweongyo */ 437227461Shselasky memset(data_cmd->buf, 0, MCLBYTES); 438191983Sweongyo 439191983Sweongyo mem = (struct upgt_lmac_mem *)data_cmd->buf; 440191983Sweongyo mem->addr = htole32(sc->sc_memaddr_frame_start + 441191983Sweongyo UPGT_MEMSIZE_FRAME_HEAD); 442191983Sweongyo 443191983Sweongyo stats = (struct upgt_lmac_stats *)(mem + 1); 444191983Sweongyo 445191983Sweongyo stats->header1.flags = 0; 446191983Sweongyo stats->header1.type = UPGT_H1_TYPE_CTRL; 447191983Sweongyo stats->header1.len = htole16( 448191983Sweongyo sizeof(struct upgt_lmac_stats) - sizeof(struct upgt_lmac_header)); 449191983Sweongyo 450191983Sweongyo stats->header2.reqid = htole32(sc->sc_memaddr_frame_start); 451191983Sweongyo stats->header2.type = htole16(UPGT_H2_TYPE_STATS); 452191983Sweongyo stats->header2.flags = 0; 453191983Sweongyo 454191983Sweongyo data_cmd->buflen = sizeof(*mem) + sizeof(*stats); 455191983Sweongyo 456191983Sweongyo mem->chksum = upgt_chksum_le((uint32_t *)stats, 457191983Sweongyo data_cmd->buflen - sizeof(*mem)); 458191983Sweongyo 459191983Sweongyo upgt_bulk_tx(sc, data_cmd); 460191983Sweongyo} 461191983Sweongyo 462191983Sweongyostatic int 463191983Sweongyoupgt_ioctl(struct ifnet *ifp, u_long cmd, caddr_t data) 464191983Sweongyo{ 465191983Sweongyo struct upgt_softc *sc = ifp->if_softc; 466191983Sweongyo struct ieee80211com *ic = ifp->if_l2com; 467191983Sweongyo struct ifreq *ifr = (struct ifreq *) data; 468246614Shselasky int error; 469246614Shselasky int startall = 0; 470191983Sweongyo 471246614Shselasky UPGT_LOCK(sc); 472246614Shselasky error = (sc->sc_flags & UPGT_FLAG_DETACHED) ? ENXIO : 0; 473246614Shselasky UPGT_UNLOCK(sc); 474246614Shselasky if (error) 475246614Shselasky return (error); 476246614Shselasky 477191983Sweongyo switch (cmd) { 478191983Sweongyo case SIOCSIFFLAGS: 479191983Sweongyo if (ifp->if_flags & IFF_UP) { 480191983Sweongyo if (ifp->if_drv_flags & IFF_DRV_RUNNING) { 481191983Sweongyo if ((ifp->if_flags ^ sc->sc_if_flags) & 482191983Sweongyo (IFF_ALLMULTI | IFF_PROMISC)) 483191983Sweongyo upgt_set_multi(sc); 484191983Sweongyo } else { 485191983Sweongyo upgt_init(sc); 486191983Sweongyo startall = 1; 487191983Sweongyo } 488191983Sweongyo } else { 489191983Sweongyo if (ifp->if_drv_flags & IFF_DRV_RUNNING) 490191983Sweongyo upgt_stop(sc); 491191983Sweongyo } 492191983Sweongyo sc->sc_if_flags = ifp->if_flags; 493191983Sweongyo if (startall) 494191983Sweongyo ieee80211_start_all(ic); 495191983Sweongyo break; 496191983Sweongyo case SIOCGIFMEDIA: 497191983Sweongyo error = ifmedia_ioctl(ifp, ifr, &ic->ic_media, cmd); 498191983Sweongyo break; 499191983Sweongyo case SIOCGIFADDR: 500191983Sweongyo error = ether_ioctl(ifp, cmd, data); 501191983Sweongyo break; 502191983Sweongyo default: 503191983Sweongyo error = EINVAL; 504191983Sweongyo break; 505191983Sweongyo } 506191983Sweongyo return error; 507191983Sweongyo} 508191983Sweongyo 509191983Sweongyostatic void 510191983Sweongyoupgt_stop_locked(struct upgt_softc *sc) 511191983Sweongyo{ 512191983Sweongyo struct ifnet *ifp = sc->sc_ifp; 513191983Sweongyo 514191983Sweongyo UPGT_ASSERT_LOCKED(sc); 515191983Sweongyo 516191983Sweongyo if (ifp->if_drv_flags & IFF_DRV_RUNNING) 517191983Sweongyo upgt_set_macfilter(sc, IEEE80211_S_INIT); 518191983Sweongyo upgt_abort_xfers_locked(sc); 519191983Sweongyo} 520191983Sweongyo 521191983Sweongyostatic void 522191983Sweongyoupgt_stop(struct upgt_softc *sc) 523191983Sweongyo{ 524191983Sweongyo struct ifnet *ifp = sc->sc_ifp; 525191983Sweongyo 526191983Sweongyo UPGT_LOCK(sc); 527191983Sweongyo upgt_stop_locked(sc); 528191983Sweongyo UPGT_UNLOCK(sc); 529191983Sweongyo 530191983Sweongyo /* device down */ 531191983Sweongyo sc->sc_tx_timer = 0; 532191983Sweongyo ifp->if_drv_flags &= ~(IFF_DRV_RUNNING | IFF_DRV_OACTIVE); 533191983Sweongyo sc->sc_flags &= ~UPGT_FLAG_INITDONE; 534191983Sweongyo} 535191983Sweongyo 536191983Sweongyostatic void 537191983Sweongyoupgt_set_led(struct upgt_softc *sc, int action) 538191983Sweongyo{ 539191983Sweongyo struct upgt_data *data_cmd; 540191983Sweongyo struct upgt_lmac_mem *mem; 541191983Sweongyo struct upgt_lmac_led *led; 542191983Sweongyo 543191983Sweongyo data_cmd = upgt_getbuf(sc); 544191983Sweongyo if (data_cmd == NULL) { 545191983Sweongyo device_printf(sc->sc_dev, "%s: out of buffers.\n", __func__); 546191983Sweongyo return; 547191983Sweongyo } 548191983Sweongyo 549191983Sweongyo /* 550191983Sweongyo * Transmit the URB containing the CMD data. 551191983Sweongyo */ 552227461Shselasky memset(data_cmd->buf, 0, MCLBYTES); 553191983Sweongyo 554191983Sweongyo mem = (struct upgt_lmac_mem *)data_cmd->buf; 555191983Sweongyo mem->addr = htole32(sc->sc_memaddr_frame_start + 556191983Sweongyo UPGT_MEMSIZE_FRAME_HEAD); 557191983Sweongyo 558191983Sweongyo led = (struct upgt_lmac_led *)(mem + 1); 559191983Sweongyo 560191983Sweongyo led->header1.flags = UPGT_H1_FLAGS_TX_NO_CALLBACK; 561191983Sweongyo led->header1.type = UPGT_H1_TYPE_CTRL; 562191983Sweongyo led->header1.len = htole16( 563191983Sweongyo sizeof(struct upgt_lmac_led) - 564191983Sweongyo sizeof(struct upgt_lmac_header)); 565191983Sweongyo 566191983Sweongyo led->header2.reqid = htole32(sc->sc_memaddr_frame_start); 567191983Sweongyo led->header2.type = htole16(UPGT_H2_TYPE_LED); 568191983Sweongyo led->header2.flags = 0; 569191983Sweongyo 570191983Sweongyo switch (action) { 571191983Sweongyo case UPGT_LED_OFF: 572191983Sweongyo led->mode = htole16(UPGT_LED_MODE_SET); 573191983Sweongyo led->action_fix = 0; 574191983Sweongyo led->action_tmp = htole16(UPGT_LED_ACTION_OFF); 575191983Sweongyo led->action_tmp_dur = 0; 576191983Sweongyo break; 577191983Sweongyo case UPGT_LED_ON: 578191983Sweongyo led->mode = htole16(UPGT_LED_MODE_SET); 579191983Sweongyo led->action_fix = 0; 580191983Sweongyo led->action_tmp = htole16(UPGT_LED_ACTION_ON); 581191983Sweongyo led->action_tmp_dur = 0; 582191983Sweongyo break; 583191983Sweongyo case UPGT_LED_BLINK: 584191983Sweongyo if (sc->sc_state != IEEE80211_S_RUN) { 585191983Sweongyo STAILQ_INSERT_TAIL(&sc->sc_tx_inactive, data_cmd, next); 586191983Sweongyo return; 587191983Sweongyo } 588191983Sweongyo if (sc->sc_led_blink) { 589191983Sweongyo /* previous blink was not finished */ 590191983Sweongyo STAILQ_INSERT_TAIL(&sc->sc_tx_inactive, data_cmd, next); 591191983Sweongyo return; 592191983Sweongyo } 593191983Sweongyo led->mode = htole16(UPGT_LED_MODE_SET); 594191983Sweongyo led->action_fix = htole16(UPGT_LED_ACTION_OFF); 595191983Sweongyo led->action_tmp = htole16(UPGT_LED_ACTION_ON); 596191983Sweongyo led->action_tmp_dur = htole16(UPGT_LED_ACTION_TMP_DUR); 597191983Sweongyo /* lock blink */ 598191983Sweongyo sc->sc_led_blink = 1; 599191983Sweongyo callout_reset(&sc->sc_led_ch, hz, upgt_set_led_blink, sc); 600191983Sweongyo break; 601191983Sweongyo default: 602191983Sweongyo STAILQ_INSERT_TAIL(&sc->sc_tx_inactive, data_cmd, next); 603191983Sweongyo return; 604191983Sweongyo } 605191983Sweongyo 606191983Sweongyo data_cmd->buflen = sizeof(*mem) + sizeof(*led); 607191983Sweongyo 608191983Sweongyo mem->chksum = upgt_chksum_le((uint32_t *)led, 609191983Sweongyo data_cmd->buflen - sizeof(*mem)); 610191983Sweongyo 611191983Sweongyo upgt_bulk_tx(sc, data_cmd); 612191983Sweongyo} 613191983Sweongyo 614191983Sweongyostatic void 615191983Sweongyoupgt_set_led_blink(void *arg) 616191983Sweongyo{ 617191983Sweongyo struct upgt_softc *sc = arg; 618191983Sweongyo 619191983Sweongyo /* blink finished, we are ready for a next one */ 620191983Sweongyo sc->sc_led_blink = 0; 621191983Sweongyo} 622191983Sweongyo 623191983Sweongyostatic void 624191983Sweongyoupgt_init(void *priv) 625191983Sweongyo{ 626191983Sweongyo struct upgt_softc *sc = priv; 627191983Sweongyo struct ifnet *ifp = sc->sc_ifp; 628191983Sweongyo struct ieee80211com *ic = ifp->if_l2com; 629191983Sweongyo 630191983Sweongyo UPGT_LOCK(sc); 631191983Sweongyo upgt_init_locked(sc); 632191983Sweongyo UPGT_UNLOCK(sc); 633191983Sweongyo 634191983Sweongyo if (ifp->if_drv_flags & IFF_DRV_RUNNING) 635191983Sweongyo ieee80211_start_all(ic); /* start all vap's */ 636191983Sweongyo} 637191983Sweongyo 638191983Sweongyostatic void 639191983Sweongyoupgt_init_locked(struct upgt_softc *sc) 640191983Sweongyo{ 641191983Sweongyo struct ifnet *ifp = sc->sc_ifp; 642191983Sweongyo 643191983Sweongyo UPGT_ASSERT_LOCKED(sc); 644191983Sweongyo 645191983Sweongyo if (ifp->if_drv_flags & IFF_DRV_RUNNING) 646191983Sweongyo upgt_stop_locked(sc); 647191983Sweongyo 648194228Sthompsa usbd_transfer_start(sc->sc_xfer[UPGT_BULK_RX]); 649191983Sweongyo 650191983Sweongyo (void)upgt_set_macfilter(sc, IEEE80211_S_SCAN); 651191983Sweongyo 652191983Sweongyo ifp->if_drv_flags &= ~IFF_DRV_OACTIVE; 653191983Sweongyo ifp->if_drv_flags |= IFF_DRV_RUNNING; 654191983Sweongyo sc->sc_flags |= UPGT_FLAG_INITDONE; 655191983Sweongyo 656191983Sweongyo callout_reset(&sc->sc_watchdog_ch, hz, upgt_watchdog, sc); 657191983Sweongyo} 658191983Sweongyo 659191983Sweongyostatic int 660191983Sweongyoupgt_set_macfilter(struct upgt_softc *sc, uint8_t state) 661191983Sweongyo{ 662191983Sweongyo struct ifnet *ifp = sc->sc_ifp; 663191983Sweongyo struct ieee80211com *ic = ifp->if_l2com; 664191983Sweongyo struct ieee80211vap *vap = TAILQ_FIRST(&ic->ic_vaps); 665212131Sthompsa struct ieee80211_node *ni; 666191983Sweongyo struct upgt_data *data_cmd; 667191983Sweongyo struct upgt_lmac_mem *mem; 668191983Sweongyo struct upgt_lmac_filter *filter; 669191983Sweongyo uint8_t broadcast[] = { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff }; 670191983Sweongyo 671191983Sweongyo UPGT_ASSERT_LOCKED(sc); 672191983Sweongyo 673191983Sweongyo data_cmd = upgt_getbuf(sc); 674191983Sweongyo if (data_cmd == NULL) { 675191983Sweongyo device_printf(sc->sc_dev, "out of TX buffers.\n"); 676191983Sweongyo return (ENOBUFS); 677191983Sweongyo } 678191983Sweongyo 679191983Sweongyo /* 680191983Sweongyo * Transmit the URB containing the CMD data. 681191983Sweongyo */ 682227461Shselasky memset(data_cmd->buf, 0, MCLBYTES); 683191983Sweongyo 684191983Sweongyo mem = (struct upgt_lmac_mem *)data_cmd->buf; 685191983Sweongyo mem->addr = htole32(sc->sc_memaddr_frame_start + 686191983Sweongyo UPGT_MEMSIZE_FRAME_HEAD); 687191983Sweongyo 688191983Sweongyo filter = (struct upgt_lmac_filter *)(mem + 1); 689191983Sweongyo 690191983Sweongyo filter->header1.flags = UPGT_H1_FLAGS_TX_NO_CALLBACK; 691191983Sweongyo filter->header1.type = UPGT_H1_TYPE_CTRL; 692191983Sweongyo filter->header1.len = htole16( 693191983Sweongyo sizeof(struct upgt_lmac_filter) - 694191983Sweongyo sizeof(struct upgt_lmac_header)); 695191983Sweongyo 696191983Sweongyo filter->header2.reqid = htole32(sc->sc_memaddr_frame_start); 697191983Sweongyo filter->header2.type = htole16(UPGT_H2_TYPE_MACFILTER); 698191983Sweongyo filter->header2.flags = 0; 699191983Sweongyo 700191983Sweongyo switch (state) { 701191983Sweongyo case IEEE80211_S_INIT: 702191983Sweongyo DPRINTF(sc, UPGT_DEBUG_STATE, "%s: set MAC filter to INIT\n", 703191983Sweongyo __func__); 704191983Sweongyo filter->type = htole16(UPGT_FILTER_TYPE_RESET); 705191983Sweongyo break; 706191983Sweongyo case IEEE80211_S_SCAN: 707191983Sweongyo DPRINTF(sc, UPGT_DEBUG_STATE, 708191983Sweongyo "set MAC filter to SCAN (bssid %s)\n", 709191983Sweongyo ether_sprintf(broadcast)); 710191983Sweongyo filter->type = htole16(UPGT_FILTER_TYPE_NONE); 711191983Sweongyo IEEE80211_ADDR_COPY(filter->dst, sc->sc_myaddr); 712191983Sweongyo IEEE80211_ADDR_COPY(filter->src, broadcast); 713191983Sweongyo filter->unknown1 = htole16(UPGT_FILTER_UNKNOWN1); 714191983Sweongyo filter->rxaddr = htole32(sc->sc_memaddr_rx_start); 715191983Sweongyo filter->unknown2 = htole16(UPGT_FILTER_UNKNOWN2); 716191983Sweongyo filter->rxhw = htole32(sc->sc_eeprom_hwrx); 717191983Sweongyo filter->unknown3 = htole16(UPGT_FILTER_UNKNOWN3); 718191983Sweongyo break; 719191983Sweongyo case IEEE80211_S_RUN: 720212127Sthompsa ni = ieee80211_ref_node(vap->iv_bss); 721191983Sweongyo /* XXX monitor mode isn't tested yet. */ 722191983Sweongyo if (vap->iv_opmode == IEEE80211_M_MONITOR) { 723191983Sweongyo filter->type = htole16(UPGT_FILTER_TYPE_MONITOR); 724191983Sweongyo IEEE80211_ADDR_COPY(filter->dst, sc->sc_myaddr); 725191983Sweongyo IEEE80211_ADDR_COPY(filter->src, ni->ni_bssid); 726191983Sweongyo filter->unknown1 = htole16(UPGT_FILTER_MONITOR_UNKNOWN1); 727191983Sweongyo filter->rxaddr = htole32(sc->sc_memaddr_rx_start); 728191983Sweongyo filter->unknown2 = htole16(UPGT_FILTER_MONITOR_UNKNOWN2); 729191983Sweongyo filter->rxhw = htole32(sc->sc_eeprom_hwrx); 730191983Sweongyo filter->unknown3 = htole16(UPGT_FILTER_MONITOR_UNKNOWN3); 731191983Sweongyo } else { 732191983Sweongyo DPRINTF(sc, UPGT_DEBUG_STATE, 733191983Sweongyo "set MAC filter to RUN (bssid %s)\n", 734191983Sweongyo ether_sprintf(ni->ni_bssid)); 735191983Sweongyo filter->type = htole16(UPGT_FILTER_TYPE_STA); 736191983Sweongyo IEEE80211_ADDR_COPY(filter->dst, sc->sc_myaddr); 737191983Sweongyo IEEE80211_ADDR_COPY(filter->src, ni->ni_bssid); 738191983Sweongyo filter->unknown1 = htole16(UPGT_FILTER_UNKNOWN1); 739191983Sweongyo filter->rxaddr = htole32(sc->sc_memaddr_rx_start); 740191983Sweongyo filter->unknown2 = htole16(UPGT_FILTER_UNKNOWN2); 741191983Sweongyo filter->rxhw = htole32(sc->sc_eeprom_hwrx); 742191983Sweongyo filter->unknown3 = htole16(UPGT_FILTER_UNKNOWN3); 743191983Sweongyo } 744212127Sthompsa ieee80211_free_node(ni); 745191983Sweongyo break; 746191983Sweongyo default: 747191983Sweongyo device_printf(sc->sc_dev, 748199816Sthompsa "MAC filter does not know that state\n"); 749191983Sweongyo break; 750191983Sweongyo } 751191983Sweongyo 752191983Sweongyo data_cmd->buflen = sizeof(*mem) + sizeof(*filter); 753191983Sweongyo 754191983Sweongyo mem->chksum = upgt_chksum_le((uint32_t *)filter, 755191983Sweongyo data_cmd->buflen - sizeof(*mem)); 756191983Sweongyo 757191983Sweongyo upgt_bulk_tx(sc, data_cmd); 758191983Sweongyo 759191983Sweongyo return (0); 760191983Sweongyo} 761191983Sweongyo 762191983Sweongyostatic void 763191983Sweongyoupgt_setup_rates(struct ieee80211vap *vap, struct ieee80211com *ic) 764191983Sweongyo{ 765191983Sweongyo struct ifnet *ifp = ic->ic_ifp; 766191983Sweongyo struct upgt_softc *sc = ifp->if_softc; 767191983Sweongyo const struct ieee80211_txparam *tp; 768191983Sweongyo 769191983Sweongyo /* 770191983Sweongyo * 0x01 = OFMD6 0x10 = DS1 771191983Sweongyo * 0x04 = OFDM9 0x11 = DS2 772191983Sweongyo * 0x06 = OFDM12 0x12 = DS5 773191983Sweongyo * 0x07 = OFDM18 0x13 = DS11 774191983Sweongyo * 0x08 = OFDM24 775191983Sweongyo * 0x09 = OFDM36 776191983Sweongyo * 0x0a = OFDM48 777191983Sweongyo * 0x0b = OFDM54 778191983Sweongyo */ 779191983Sweongyo const uint8_t rateset_auto_11b[] = 780191983Sweongyo { 0x13, 0x13, 0x12, 0x11, 0x11, 0x10, 0x10, 0x10 }; 781191983Sweongyo const uint8_t rateset_auto_11g[] = 782191983Sweongyo { 0x0b, 0x0a, 0x09, 0x08, 0x07, 0x06, 0x04, 0x01 }; 783191983Sweongyo const uint8_t rateset_fix_11bg[] = 784191983Sweongyo { 0x10, 0x11, 0x12, 0x13, 0x01, 0x04, 0x06, 0x07, 785191983Sweongyo 0x08, 0x09, 0x0a, 0x0b }; 786191983Sweongyo 787191983Sweongyo tp = &vap->iv_txparms[ieee80211_chan2mode(ic->ic_curchan)]; 788191983Sweongyo 789191983Sweongyo /* XXX */ 790191983Sweongyo if (tp->ucastrate == IEEE80211_FIXED_RATE_NONE) { 791191983Sweongyo /* 792191983Sweongyo * Automatic rate control is done by the device. 793191983Sweongyo * We just pass the rateset from which the device 794191983Sweongyo * will pickup a rate. 795191983Sweongyo */ 796191983Sweongyo if (ic->ic_curmode == IEEE80211_MODE_11B) 797227461Shselasky memcpy(sc->sc_cur_rateset, rateset_auto_11b, 798191983Sweongyo sizeof(sc->sc_cur_rateset)); 799191983Sweongyo if (ic->ic_curmode == IEEE80211_MODE_11G || 800191983Sweongyo ic->ic_curmode == IEEE80211_MODE_AUTO) 801227461Shselasky memcpy(sc->sc_cur_rateset, rateset_auto_11g, 802191983Sweongyo sizeof(sc->sc_cur_rateset)); 803191983Sweongyo } else { 804191983Sweongyo /* set a fixed rate */ 805191983Sweongyo memset(sc->sc_cur_rateset, rateset_fix_11bg[tp->ucastrate], 806191983Sweongyo sizeof(sc->sc_cur_rateset)); 807191983Sweongyo } 808191983Sweongyo} 809191983Sweongyo 810191983Sweongyostatic void 811191983Sweongyoupgt_set_multi(void *arg) 812191983Sweongyo{ 813191983Sweongyo struct upgt_softc *sc = arg; 814191983Sweongyo struct ifnet *ifp = sc->sc_ifp; 815191983Sweongyo 816191983Sweongyo if (!(ifp->if_flags & IFF_UP)) 817191983Sweongyo return; 818191983Sweongyo 819191983Sweongyo /* 820191983Sweongyo * XXX don't know how to set a device. Lack of docs. Just try to set 821191983Sweongyo * IFF_ALLMULTI flag here. 822191983Sweongyo */ 823191983Sweongyo ifp->if_flags |= IFF_ALLMULTI; 824191983Sweongyo} 825191983Sweongyo 826191983Sweongyostatic void 827191983Sweongyoupgt_start(struct ifnet *ifp) 828191983Sweongyo{ 829191983Sweongyo struct upgt_softc *sc = ifp->if_softc; 830191983Sweongyo struct upgt_data *data_tx; 831191983Sweongyo struct ieee80211_node *ni; 832191983Sweongyo struct mbuf *m; 833191983Sweongyo 834191983Sweongyo if ((ifp->if_drv_flags & IFF_DRV_RUNNING) == 0) 835191983Sweongyo return; 836191983Sweongyo 837191983Sweongyo UPGT_LOCK(sc); 838191983Sweongyo for (;;) { 839191983Sweongyo IFQ_DRV_DEQUEUE(&ifp->if_snd, m); 840191983Sweongyo if (m == NULL) 841191983Sweongyo break; 842191983Sweongyo 843191983Sweongyo data_tx = upgt_gettxbuf(sc); 844191983Sweongyo if (data_tx == NULL) { 845191983Sweongyo IFQ_DRV_PREPEND(&ifp->if_snd, m); 846191983Sweongyo break; 847191983Sweongyo } 848191983Sweongyo 849191983Sweongyo ni = (struct ieee80211_node *)m->m_pkthdr.rcvif; 850191983Sweongyo m->m_pkthdr.rcvif = NULL; 851191983Sweongyo 852191983Sweongyo if (upgt_tx_start(sc, m, ni, data_tx) != 0) { 853191983Sweongyo STAILQ_INSERT_HEAD(&sc->sc_tx_inactive, data_tx, next); 854191983Sweongyo UPGT_STAT_INC(sc, st_tx_inactive); 855191983Sweongyo ieee80211_free_node(ni); 856191983Sweongyo ifp->if_oerrors++; 857191983Sweongyo continue; 858191983Sweongyo } 859191983Sweongyo sc->sc_tx_timer = 5; 860191983Sweongyo } 861191983Sweongyo UPGT_UNLOCK(sc); 862191983Sweongyo} 863191983Sweongyo 864191983Sweongyostatic int 865191983Sweongyoupgt_raw_xmit(struct ieee80211_node *ni, struct mbuf *m, 866191983Sweongyo const struct ieee80211_bpf_params *params) 867191983Sweongyo{ 868191983Sweongyo struct ieee80211com *ic = ni->ni_ic; 869191983Sweongyo struct ifnet *ifp = ic->ic_ifp; 870191983Sweongyo struct upgt_softc *sc = ifp->if_softc; 871191983Sweongyo struct upgt_data *data_tx = NULL; 872191983Sweongyo 873191983Sweongyo /* prevent management frames from being sent if we're not ready */ 874191983Sweongyo if (!(ifp->if_drv_flags & IFF_DRV_RUNNING)) { 875191983Sweongyo m_freem(m); 876191983Sweongyo ieee80211_free_node(ni); 877191983Sweongyo return ENETDOWN; 878191983Sweongyo } 879191983Sweongyo 880191983Sweongyo UPGT_LOCK(sc); 881191983Sweongyo data_tx = upgt_gettxbuf(sc); 882191983Sweongyo if (data_tx == NULL) { 883191983Sweongyo ieee80211_free_node(ni); 884191983Sweongyo m_freem(m); 885191983Sweongyo UPGT_UNLOCK(sc); 886191983Sweongyo return (ENOBUFS); 887191983Sweongyo } 888191983Sweongyo 889191983Sweongyo if (upgt_tx_start(sc, m, ni, data_tx) != 0) { 890191983Sweongyo STAILQ_INSERT_HEAD(&sc->sc_tx_inactive, data_tx, next); 891191983Sweongyo UPGT_STAT_INC(sc, st_tx_inactive); 892191983Sweongyo ieee80211_free_node(ni); 893191983Sweongyo ifp->if_oerrors++; 894191983Sweongyo UPGT_UNLOCK(sc); 895191983Sweongyo return (EIO); 896191983Sweongyo } 897191983Sweongyo UPGT_UNLOCK(sc); 898191983Sweongyo 899191983Sweongyo sc->sc_tx_timer = 5; 900191983Sweongyo return (0); 901191983Sweongyo} 902191983Sweongyo 903191983Sweongyostatic void 904191983Sweongyoupgt_watchdog(void *arg) 905191983Sweongyo{ 906191983Sweongyo struct upgt_softc *sc = arg; 907191983Sweongyo struct ifnet *ifp = sc->sc_ifp; 908191983Sweongyo 909191983Sweongyo if (sc->sc_tx_timer > 0) { 910191983Sweongyo if (--sc->sc_tx_timer == 0) { 911191983Sweongyo device_printf(sc->sc_dev, "watchdog timeout\n"); 912191983Sweongyo /* upgt_init(ifp); XXX needs a process context ? */ 913191983Sweongyo ifp->if_oerrors++; 914191983Sweongyo return; 915191983Sweongyo } 916191983Sweongyo callout_reset(&sc->sc_watchdog_ch, hz, upgt_watchdog, sc); 917191983Sweongyo } 918191983Sweongyo} 919191983Sweongyo 920191983Sweongyostatic uint32_t 921191983Sweongyoupgt_mem_alloc(struct upgt_softc *sc) 922191983Sweongyo{ 923191983Sweongyo int i; 924191983Sweongyo 925191983Sweongyo for (i = 0; i < sc->sc_memory.pages; i++) { 926191983Sweongyo if (sc->sc_memory.page[i].used == 0) { 927191983Sweongyo sc->sc_memory.page[i].used = 1; 928191983Sweongyo return (sc->sc_memory.page[i].addr); 929191983Sweongyo } 930191983Sweongyo } 931191983Sweongyo 932191983Sweongyo return (0); 933191983Sweongyo} 934191983Sweongyo 935191983Sweongyostatic void 936191983Sweongyoupgt_scan_start(struct ieee80211com *ic) 937191983Sweongyo{ 938191983Sweongyo /* do nothing. */ 939191983Sweongyo} 940191983Sweongyo 941191983Sweongyostatic void 942191983Sweongyoupgt_scan_end(struct ieee80211com *ic) 943191983Sweongyo{ 944191983Sweongyo /* do nothing. */ 945191983Sweongyo} 946191983Sweongyo 947191983Sweongyostatic void 948191983Sweongyoupgt_set_channel(struct ieee80211com *ic) 949191983Sweongyo{ 950191983Sweongyo struct upgt_softc *sc = ic->ic_ifp->if_softc; 951191983Sweongyo 952191983Sweongyo UPGT_LOCK(sc); 953191983Sweongyo upgt_set_chan(sc, ic->ic_curchan); 954191983Sweongyo UPGT_UNLOCK(sc); 955191983Sweongyo} 956191983Sweongyo 957191983Sweongyostatic void 958191983Sweongyoupgt_set_chan(struct upgt_softc *sc, struct ieee80211_channel *c) 959191983Sweongyo{ 960191983Sweongyo struct ifnet *ifp = sc->sc_ifp; 961191983Sweongyo struct ieee80211com *ic = ifp->if_l2com; 962191983Sweongyo struct upgt_data *data_cmd; 963191983Sweongyo struct upgt_lmac_mem *mem; 964191983Sweongyo struct upgt_lmac_channel *chan; 965191983Sweongyo int channel; 966191983Sweongyo 967191983Sweongyo UPGT_ASSERT_LOCKED(sc); 968191983Sweongyo 969191983Sweongyo channel = ieee80211_chan2ieee(ic, c); 970191983Sweongyo if (channel == 0 || channel == IEEE80211_CHAN_ANY) { 971191983Sweongyo /* XXX should NEVER happen */ 972191983Sweongyo device_printf(sc->sc_dev, 973191983Sweongyo "%s: invalid channel %x\n", __func__, channel); 974191983Sweongyo return; 975191983Sweongyo } 976191983Sweongyo 977191983Sweongyo DPRINTF(sc, UPGT_DEBUG_STATE, "%s: channel %d\n", __func__, channel); 978191983Sweongyo 979191983Sweongyo data_cmd = upgt_getbuf(sc); 980191983Sweongyo if (data_cmd == NULL) { 981191983Sweongyo device_printf(sc->sc_dev, "%s: out of buffers.\n", __func__); 982191983Sweongyo return; 983191983Sweongyo } 984191983Sweongyo /* 985191983Sweongyo * Transmit the URB containing the CMD data. 986191983Sweongyo */ 987227461Shselasky memset(data_cmd->buf, 0, MCLBYTES); 988191983Sweongyo 989191983Sweongyo mem = (struct upgt_lmac_mem *)data_cmd->buf; 990191983Sweongyo mem->addr = htole32(sc->sc_memaddr_frame_start + 991191983Sweongyo UPGT_MEMSIZE_FRAME_HEAD); 992191983Sweongyo 993191983Sweongyo chan = (struct upgt_lmac_channel *)(mem + 1); 994191983Sweongyo 995191983Sweongyo chan->header1.flags = UPGT_H1_FLAGS_TX_NO_CALLBACK; 996191983Sweongyo chan->header1.type = UPGT_H1_TYPE_CTRL; 997191983Sweongyo chan->header1.len = htole16( 998191983Sweongyo sizeof(struct upgt_lmac_channel) - sizeof(struct upgt_lmac_header)); 999191983Sweongyo 1000191983Sweongyo chan->header2.reqid = htole32(sc->sc_memaddr_frame_start); 1001191983Sweongyo chan->header2.type = htole16(UPGT_H2_TYPE_CHANNEL); 1002191983Sweongyo chan->header2.flags = 0; 1003191983Sweongyo 1004191983Sweongyo chan->unknown1 = htole16(UPGT_CHANNEL_UNKNOWN1); 1005191983Sweongyo chan->unknown2 = htole16(UPGT_CHANNEL_UNKNOWN2); 1006191983Sweongyo chan->freq6 = sc->sc_eeprom_freq6[channel]; 1007191983Sweongyo chan->settings = sc->sc_eeprom_freq6_settings; 1008191983Sweongyo chan->unknown3 = UPGT_CHANNEL_UNKNOWN3; 1009191983Sweongyo 1010227461Shselasky memcpy(chan->freq3_1, &sc->sc_eeprom_freq3[channel].data, 1011191983Sweongyo sizeof(chan->freq3_1)); 1012227461Shselasky memcpy(chan->freq4, &sc->sc_eeprom_freq4[channel], 1013191983Sweongyo sizeof(sc->sc_eeprom_freq4[channel])); 1014227461Shselasky memcpy(chan->freq3_2, &sc->sc_eeprom_freq3[channel].data, 1015191983Sweongyo sizeof(chan->freq3_2)); 1016191983Sweongyo 1017191983Sweongyo data_cmd->buflen = sizeof(*mem) + sizeof(*chan); 1018191983Sweongyo 1019191983Sweongyo mem->chksum = upgt_chksum_le((uint32_t *)chan, 1020191983Sweongyo data_cmd->buflen - sizeof(*mem)); 1021191983Sweongyo 1022191983Sweongyo upgt_bulk_tx(sc, data_cmd); 1023191983Sweongyo} 1024191983Sweongyo 1025191983Sweongyostatic struct ieee80211vap * 1026228621Sbschmidtupgt_vap_create(struct ieee80211com *ic, const char name[IFNAMSIZ], int unit, 1027228621Sbschmidt enum ieee80211_opmode opmode, int flags, 1028228621Sbschmidt const uint8_t bssid[IEEE80211_ADDR_LEN], 1029228621Sbschmidt const uint8_t mac[IEEE80211_ADDR_LEN]) 1030191983Sweongyo{ 1031191983Sweongyo struct upgt_vap *uvp; 1032191983Sweongyo struct ieee80211vap *vap; 1033191983Sweongyo 1034191983Sweongyo if (!TAILQ_EMPTY(&ic->ic_vaps)) /* only one at a time */ 1035191983Sweongyo return NULL; 1036191983Sweongyo uvp = (struct upgt_vap *) malloc(sizeof(struct upgt_vap), 1037191983Sweongyo M_80211_VAP, M_NOWAIT | M_ZERO); 1038191983Sweongyo if (uvp == NULL) 1039191983Sweongyo return NULL; 1040191983Sweongyo vap = &uvp->vap; 1041191983Sweongyo /* enable s/w bmiss handling for sta mode */ 1042191983Sweongyo 1043259453Shselasky if (ieee80211_vap_setup(ic, vap, name, unit, opmode, 1044259453Shselasky flags | IEEE80211_CLONE_NOBEACONS, bssid, mac) != 0) { 1045259453Shselasky /* out of memory */ 1046259453Shselasky free(uvp, M_80211_VAP); 1047259453Shselasky return (NULL); 1048259453Shselasky } 1049259453Shselasky 1050191983Sweongyo /* override state transition machine */ 1051191983Sweongyo uvp->newstate = vap->iv_newstate; 1052191983Sweongyo vap->iv_newstate = upgt_newstate; 1053191983Sweongyo 1054191983Sweongyo /* setup device rates */ 1055191983Sweongyo upgt_setup_rates(vap, ic); 1056191983Sweongyo 1057191983Sweongyo /* complete setup */ 1058191983Sweongyo ieee80211_vap_attach(vap, ieee80211_media_change, 1059191983Sweongyo ieee80211_media_status); 1060191983Sweongyo ic->ic_opmode = opmode; 1061191983Sweongyo return vap; 1062191983Sweongyo} 1063191983Sweongyo 1064191983Sweongyostatic int 1065191983Sweongyoupgt_newstate(struct ieee80211vap *vap, enum ieee80211_state nstate, int arg) 1066191983Sweongyo{ 1067191983Sweongyo struct upgt_vap *uvp = UPGT_VAP(vap); 1068191983Sweongyo struct ieee80211com *ic = vap->iv_ic; 1069191983Sweongyo struct upgt_softc *sc = ic->ic_ifp->if_softc; 1070191983Sweongyo 1071191983Sweongyo /* do it in a process context */ 1072191983Sweongyo sc->sc_state = nstate; 1073191983Sweongyo 1074191983Sweongyo IEEE80211_UNLOCK(ic); 1075191983Sweongyo UPGT_LOCK(sc); 1076191983Sweongyo callout_stop(&sc->sc_led_ch); 1077191983Sweongyo callout_stop(&sc->sc_watchdog_ch); 1078191983Sweongyo 1079191983Sweongyo switch (nstate) { 1080191983Sweongyo case IEEE80211_S_INIT: 1081191983Sweongyo /* do not accept any frames if the device is down */ 1082191983Sweongyo (void)upgt_set_macfilter(sc, sc->sc_state); 1083191983Sweongyo upgt_set_led(sc, UPGT_LED_OFF); 1084191983Sweongyo break; 1085191983Sweongyo case IEEE80211_S_SCAN: 1086191983Sweongyo upgt_set_chan(sc, ic->ic_curchan); 1087191983Sweongyo break; 1088191983Sweongyo case IEEE80211_S_AUTH: 1089191983Sweongyo upgt_set_chan(sc, ic->ic_curchan); 1090191983Sweongyo break; 1091191983Sweongyo case IEEE80211_S_ASSOC: 1092191983Sweongyo break; 1093191983Sweongyo case IEEE80211_S_RUN: 1094191983Sweongyo upgt_set_macfilter(sc, sc->sc_state); 1095191983Sweongyo upgt_set_led(sc, UPGT_LED_ON); 1096191983Sweongyo break; 1097191983Sweongyo default: 1098191983Sweongyo break; 1099191983Sweongyo } 1100191983Sweongyo UPGT_UNLOCK(sc); 1101191983Sweongyo IEEE80211_LOCK(ic); 1102191983Sweongyo return (uvp->newstate(vap, nstate, arg)); 1103191983Sweongyo} 1104191983Sweongyo 1105191983Sweongyostatic void 1106191983Sweongyoupgt_vap_delete(struct ieee80211vap *vap) 1107191983Sweongyo{ 1108191983Sweongyo struct upgt_vap *uvp = UPGT_VAP(vap); 1109191983Sweongyo 1110191983Sweongyo ieee80211_vap_detach(vap); 1111191983Sweongyo free(uvp, M_80211_VAP); 1112191983Sweongyo} 1113191983Sweongyo 1114191983Sweongyostatic void 1115191983Sweongyoupgt_update_mcast(struct ifnet *ifp) 1116191983Sweongyo{ 1117191983Sweongyo struct upgt_softc *sc = ifp->if_softc; 1118191983Sweongyo 1119191983Sweongyo upgt_set_multi(sc); 1120191983Sweongyo} 1121191983Sweongyo 1122191983Sweongyostatic int 1123191983Sweongyoupgt_eeprom_parse(struct upgt_softc *sc) 1124191983Sweongyo{ 1125191983Sweongyo struct upgt_eeprom_header *eeprom_header; 1126191983Sweongyo struct upgt_eeprom_option *eeprom_option; 1127191983Sweongyo uint16_t option_len; 1128191983Sweongyo uint16_t option_type; 1129191983Sweongyo uint16_t preamble_len; 1130191983Sweongyo int option_end = 0; 1131191983Sweongyo 1132191983Sweongyo /* calculate eeprom options start offset */ 1133191983Sweongyo eeprom_header = (struct upgt_eeprom_header *)sc->sc_eeprom; 1134191983Sweongyo preamble_len = le16toh(eeprom_header->preamble_len); 1135191983Sweongyo eeprom_option = (struct upgt_eeprom_option *)(sc->sc_eeprom + 1136191983Sweongyo (sizeof(struct upgt_eeprom_header) + preamble_len)); 1137191983Sweongyo 1138191983Sweongyo while (!option_end) { 1139246944Shselasky 1140246944Shselasky /* sanity check */ 1141246944Shselasky if (eeprom_option >= (struct upgt_eeprom_option *) 1142246944Shselasky (sc->sc_eeprom + UPGT_EEPROM_SIZE)) { 1143246944Shselasky return (EINVAL); 1144246944Shselasky } 1145246944Shselasky 1146191983Sweongyo /* the eeprom option length is stored in words */ 1147191983Sweongyo option_len = 1148191983Sweongyo (le16toh(eeprom_option->len) - 1) * sizeof(uint16_t); 1149191983Sweongyo option_type = 1150191983Sweongyo le16toh(eeprom_option->type); 1151191983Sweongyo 1152246944Shselasky /* sanity check */ 1153246944Shselasky if (option_len == 0 || option_len >= UPGT_EEPROM_SIZE) 1154246944Shselasky return (EINVAL); 1155246944Shselasky 1156191983Sweongyo switch (option_type) { 1157191983Sweongyo case UPGT_EEPROM_TYPE_NAME: 1158191983Sweongyo DPRINTF(sc, UPGT_DEBUG_FW, 1159191983Sweongyo "EEPROM name len=%d\n", option_len); 1160191983Sweongyo break; 1161191983Sweongyo case UPGT_EEPROM_TYPE_SERIAL: 1162191983Sweongyo DPRINTF(sc, UPGT_DEBUG_FW, 1163191983Sweongyo "EEPROM serial len=%d\n", option_len); 1164191983Sweongyo break; 1165191983Sweongyo case UPGT_EEPROM_TYPE_MAC: 1166191983Sweongyo DPRINTF(sc, UPGT_DEBUG_FW, 1167191983Sweongyo "EEPROM mac len=%d\n", option_len); 1168191983Sweongyo 1169191983Sweongyo IEEE80211_ADDR_COPY(sc->sc_myaddr, eeprom_option->data); 1170191983Sweongyo break; 1171191983Sweongyo case UPGT_EEPROM_TYPE_HWRX: 1172191983Sweongyo DPRINTF(sc, UPGT_DEBUG_FW, 1173191983Sweongyo "EEPROM hwrx len=%d\n", option_len); 1174191983Sweongyo 1175191983Sweongyo upgt_eeprom_parse_hwrx(sc, eeprom_option->data); 1176191983Sweongyo break; 1177191983Sweongyo case UPGT_EEPROM_TYPE_CHIP: 1178191983Sweongyo DPRINTF(sc, UPGT_DEBUG_FW, 1179191983Sweongyo "EEPROM chip len=%d\n", option_len); 1180191983Sweongyo break; 1181191983Sweongyo case UPGT_EEPROM_TYPE_FREQ3: 1182191983Sweongyo DPRINTF(sc, UPGT_DEBUG_FW, 1183191983Sweongyo "EEPROM freq3 len=%d\n", option_len); 1184191983Sweongyo 1185191983Sweongyo upgt_eeprom_parse_freq3(sc, eeprom_option->data, 1186191983Sweongyo option_len); 1187191983Sweongyo break; 1188191983Sweongyo case UPGT_EEPROM_TYPE_FREQ4: 1189191983Sweongyo DPRINTF(sc, UPGT_DEBUG_FW, 1190191983Sweongyo "EEPROM freq4 len=%d\n", option_len); 1191191983Sweongyo 1192191983Sweongyo upgt_eeprom_parse_freq4(sc, eeprom_option->data, 1193191983Sweongyo option_len); 1194191983Sweongyo break; 1195191983Sweongyo case UPGT_EEPROM_TYPE_FREQ5: 1196191983Sweongyo DPRINTF(sc, UPGT_DEBUG_FW, 1197191983Sweongyo "EEPROM freq5 len=%d\n", option_len); 1198191983Sweongyo break; 1199191983Sweongyo case UPGT_EEPROM_TYPE_FREQ6: 1200191983Sweongyo DPRINTF(sc, UPGT_DEBUG_FW, 1201191983Sweongyo "EEPROM freq6 len=%d\n", option_len); 1202191983Sweongyo 1203191983Sweongyo upgt_eeprom_parse_freq6(sc, eeprom_option->data, 1204191983Sweongyo option_len); 1205191983Sweongyo break; 1206191983Sweongyo case UPGT_EEPROM_TYPE_END: 1207191983Sweongyo DPRINTF(sc, UPGT_DEBUG_FW, 1208191983Sweongyo "EEPROM end len=%d\n", option_len); 1209191983Sweongyo option_end = 1; 1210191983Sweongyo break; 1211191983Sweongyo case UPGT_EEPROM_TYPE_OFF: 1212191983Sweongyo DPRINTF(sc, UPGT_DEBUG_FW, 1213199816Sthompsa "%s: EEPROM off without end option\n", __func__); 1214191983Sweongyo return (EIO); 1215191983Sweongyo default: 1216191983Sweongyo DPRINTF(sc, UPGT_DEBUG_FW, 1217191983Sweongyo "EEPROM unknown type 0x%04x len=%d\n", 1218191983Sweongyo option_type, option_len); 1219191983Sweongyo break; 1220191983Sweongyo } 1221191983Sweongyo 1222191983Sweongyo /* jump to next EEPROM option */ 1223191983Sweongyo eeprom_option = (struct upgt_eeprom_option *) 1224191983Sweongyo (eeprom_option->data + option_len); 1225191983Sweongyo } 1226191983Sweongyo return (0); 1227191983Sweongyo} 1228191983Sweongyo 1229191983Sweongyostatic void 1230191983Sweongyoupgt_eeprom_parse_freq3(struct upgt_softc *sc, uint8_t *data, int len) 1231191983Sweongyo{ 1232191983Sweongyo struct upgt_eeprom_freq3_header *freq3_header; 1233191983Sweongyo struct upgt_lmac_freq3 *freq3; 1234246944Shselasky int i; 1235246944Shselasky int elements; 1236246944Shselasky int flags; 1237191983Sweongyo unsigned channel; 1238191983Sweongyo 1239191983Sweongyo freq3_header = (struct upgt_eeprom_freq3_header *)data; 1240191983Sweongyo freq3 = (struct upgt_lmac_freq3 *)(freq3_header + 1); 1241191983Sweongyo 1242191983Sweongyo flags = freq3_header->flags; 1243191983Sweongyo elements = freq3_header->elements; 1244191983Sweongyo 1245191983Sweongyo DPRINTF(sc, UPGT_DEBUG_FW, "flags=0x%02x elements=%d\n", 1246191983Sweongyo flags, elements); 1247191983Sweongyo 1248246944Shselasky if (elements >= (int)(UPGT_EEPROM_SIZE / sizeof(freq3[0]))) 1249246944Shselasky return; 1250246944Shselasky 1251191983Sweongyo for (i = 0; i < elements; i++) { 1252191983Sweongyo channel = ieee80211_mhz2ieee(le16toh(freq3[i].freq), 0); 1253233774Shselasky if (channel >= IEEE80211_CHAN_MAX) 1254191983Sweongyo continue; 1255191983Sweongyo 1256191983Sweongyo sc->sc_eeprom_freq3[channel] = freq3[i]; 1257191983Sweongyo 1258191983Sweongyo DPRINTF(sc, UPGT_DEBUG_FW, "frequence=%d, channel=%d\n", 1259191983Sweongyo le16toh(sc->sc_eeprom_freq3[channel].freq), channel); 1260191983Sweongyo } 1261191983Sweongyo} 1262191983Sweongyo 1263191983Sweongyovoid 1264191983Sweongyoupgt_eeprom_parse_freq4(struct upgt_softc *sc, uint8_t *data, int len) 1265191983Sweongyo{ 1266191983Sweongyo struct upgt_eeprom_freq4_header *freq4_header; 1267191983Sweongyo struct upgt_eeprom_freq4_1 *freq4_1; 1268191983Sweongyo struct upgt_eeprom_freq4_2 *freq4_2; 1269246944Shselasky int i; 1270246944Shselasky int j; 1271246944Shselasky int elements; 1272246944Shselasky int settings; 1273246944Shselasky int flags; 1274191983Sweongyo unsigned channel; 1275191983Sweongyo 1276191983Sweongyo freq4_header = (struct upgt_eeprom_freq4_header *)data; 1277191983Sweongyo freq4_1 = (struct upgt_eeprom_freq4_1 *)(freq4_header + 1); 1278191983Sweongyo flags = freq4_header->flags; 1279191983Sweongyo elements = freq4_header->elements; 1280191983Sweongyo settings = freq4_header->settings; 1281191983Sweongyo 1282191983Sweongyo /* we need this value later */ 1283191983Sweongyo sc->sc_eeprom_freq6_settings = freq4_header->settings; 1284191983Sweongyo 1285191983Sweongyo DPRINTF(sc, UPGT_DEBUG_FW, "flags=0x%02x elements=%d settings=%d\n", 1286191983Sweongyo flags, elements, settings); 1287191983Sweongyo 1288246944Shselasky if (elements >= (int)(UPGT_EEPROM_SIZE / sizeof(freq4_1[0]))) 1289246944Shselasky return; 1290246944Shselasky 1291191983Sweongyo for (i = 0; i < elements; i++) { 1292191983Sweongyo channel = ieee80211_mhz2ieee(le16toh(freq4_1[i].freq), 0); 1293233774Shselasky if (channel >= IEEE80211_CHAN_MAX) 1294191983Sweongyo continue; 1295191983Sweongyo 1296191983Sweongyo freq4_2 = (struct upgt_eeprom_freq4_2 *)freq4_1[i].data; 1297191983Sweongyo for (j = 0; j < settings; j++) { 1298191983Sweongyo sc->sc_eeprom_freq4[channel][j].cmd = freq4_2[j]; 1299191983Sweongyo sc->sc_eeprom_freq4[channel][j].pad = 0; 1300191983Sweongyo } 1301191983Sweongyo 1302191983Sweongyo DPRINTF(sc, UPGT_DEBUG_FW, "frequence=%d, channel=%d\n", 1303191983Sweongyo le16toh(freq4_1[i].freq), channel); 1304191983Sweongyo } 1305191983Sweongyo} 1306191983Sweongyo 1307191983Sweongyovoid 1308191983Sweongyoupgt_eeprom_parse_freq6(struct upgt_softc *sc, uint8_t *data, int len) 1309191983Sweongyo{ 1310191983Sweongyo struct upgt_lmac_freq6 *freq6; 1311246944Shselasky int i; 1312246944Shselasky int elements; 1313191983Sweongyo unsigned channel; 1314191983Sweongyo 1315191983Sweongyo freq6 = (struct upgt_lmac_freq6 *)data; 1316191983Sweongyo elements = len / sizeof(struct upgt_lmac_freq6); 1317191983Sweongyo 1318191983Sweongyo DPRINTF(sc, UPGT_DEBUG_FW, "elements=%d\n", elements); 1319191983Sweongyo 1320246944Shselasky if (elements >= (int)(UPGT_EEPROM_SIZE / sizeof(freq6[0]))) 1321246944Shselasky return; 1322246944Shselasky 1323191983Sweongyo for (i = 0; i < elements; i++) { 1324191983Sweongyo channel = ieee80211_mhz2ieee(le16toh(freq6[i].freq), 0); 1325233774Shselasky if (channel >= IEEE80211_CHAN_MAX) 1326191983Sweongyo continue; 1327191983Sweongyo 1328191983Sweongyo sc->sc_eeprom_freq6[channel] = freq6[i]; 1329191983Sweongyo 1330191983Sweongyo DPRINTF(sc, UPGT_DEBUG_FW, "frequence=%d, channel=%d\n", 1331191983Sweongyo le16toh(sc->sc_eeprom_freq6[channel].freq), channel); 1332191983Sweongyo } 1333191983Sweongyo} 1334191983Sweongyo 1335191983Sweongyostatic void 1336191983Sweongyoupgt_eeprom_parse_hwrx(struct upgt_softc *sc, uint8_t *data) 1337191983Sweongyo{ 1338191983Sweongyo struct upgt_eeprom_option_hwrx *option_hwrx; 1339191983Sweongyo 1340191983Sweongyo option_hwrx = (struct upgt_eeprom_option_hwrx *)data; 1341191983Sweongyo 1342191983Sweongyo sc->sc_eeprom_hwrx = option_hwrx->rxfilter - UPGT_EEPROM_RX_CONST; 1343191983Sweongyo 1344191983Sweongyo DPRINTF(sc, UPGT_DEBUG_FW, "hwrx option value=0x%04x\n", 1345191983Sweongyo sc->sc_eeprom_hwrx); 1346191983Sweongyo} 1347191983Sweongyo 1348191983Sweongyostatic int 1349191983Sweongyoupgt_eeprom_read(struct upgt_softc *sc) 1350191983Sweongyo{ 1351191983Sweongyo struct upgt_data *data_cmd; 1352191983Sweongyo struct upgt_lmac_mem *mem; 1353191983Sweongyo struct upgt_lmac_eeprom *eeprom; 1354191983Sweongyo int block, error, offset; 1355191983Sweongyo 1356191983Sweongyo UPGT_LOCK(sc); 1357194228Sthompsa usb_pause_mtx(&sc->sc_mtx, 100); 1358191983Sweongyo 1359191983Sweongyo offset = 0; 1360191983Sweongyo block = UPGT_EEPROM_BLOCK_SIZE; 1361191983Sweongyo while (offset < UPGT_EEPROM_SIZE) { 1362191983Sweongyo DPRINTF(sc, UPGT_DEBUG_FW, 1363191983Sweongyo "request EEPROM block (offset=%d, len=%d)\n", offset, block); 1364191983Sweongyo 1365191983Sweongyo data_cmd = upgt_getbuf(sc); 1366191983Sweongyo if (data_cmd == NULL) { 1367191983Sweongyo UPGT_UNLOCK(sc); 1368191983Sweongyo return (ENOBUFS); 1369191983Sweongyo } 1370191983Sweongyo 1371191983Sweongyo /* 1372191983Sweongyo * Transmit the URB containing the CMD data. 1373191983Sweongyo */ 1374227461Shselasky memset(data_cmd->buf, 0, MCLBYTES); 1375191983Sweongyo 1376191983Sweongyo mem = (struct upgt_lmac_mem *)data_cmd->buf; 1377191983Sweongyo mem->addr = htole32(sc->sc_memaddr_frame_start + 1378191983Sweongyo UPGT_MEMSIZE_FRAME_HEAD); 1379191983Sweongyo 1380191983Sweongyo eeprom = (struct upgt_lmac_eeprom *)(mem + 1); 1381191983Sweongyo eeprom->header1.flags = 0; 1382191983Sweongyo eeprom->header1.type = UPGT_H1_TYPE_CTRL; 1383191983Sweongyo eeprom->header1.len = htole16(( 1384191983Sweongyo sizeof(struct upgt_lmac_eeprom) - 1385191983Sweongyo sizeof(struct upgt_lmac_header)) + block); 1386191983Sweongyo 1387191983Sweongyo eeprom->header2.reqid = htole32(sc->sc_memaddr_frame_start); 1388191983Sweongyo eeprom->header2.type = htole16(UPGT_H2_TYPE_EEPROM); 1389191983Sweongyo eeprom->header2.flags = 0; 1390191983Sweongyo 1391191983Sweongyo eeprom->offset = htole16(offset); 1392191983Sweongyo eeprom->len = htole16(block); 1393191983Sweongyo 1394191983Sweongyo data_cmd->buflen = sizeof(*mem) + sizeof(*eeprom) + block; 1395191983Sweongyo 1396191983Sweongyo mem->chksum = upgt_chksum_le((uint32_t *)eeprom, 1397191983Sweongyo data_cmd->buflen - sizeof(*mem)); 1398191983Sweongyo upgt_bulk_tx(sc, data_cmd); 1399191983Sweongyo 1400191983Sweongyo error = mtx_sleep(sc, &sc->sc_mtx, 0, "eeprom_request", hz); 1401191983Sweongyo if (error != 0) { 1402191983Sweongyo device_printf(sc->sc_dev, 1403199816Sthompsa "timeout while waiting for EEPROM data\n"); 1404191983Sweongyo UPGT_UNLOCK(sc); 1405191983Sweongyo return (EIO); 1406191983Sweongyo } 1407191983Sweongyo 1408191983Sweongyo offset += block; 1409191983Sweongyo if (UPGT_EEPROM_SIZE - offset < block) 1410191983Sweongyo block = UPGT_EEPROM_SIZE - offset; 1411191983Sweongyo } 1412191983Sweongyo 1413191983Sweongyo UPGT_UNLOCK(sc); 1414191983Sweongyo return (0); 1415191983Sweongyo} 1416191983Sweongyo 1417191983Sweongyo/* 1418191983Sweongyo * When a rx data came in the function returns a mbuf and a rssi values. 1419191983Sweongyo */ 1420191983Sweongyostatic struct mbuf * 1421192984Sthompsaupgt_rxeof(struct usb_xfer *xfer, struct upgt_data *data, int *rssi) 1422191983Sweongyo{ 1423191983Sweongyo struct mbuf *m = NULL; 1424194677Sthompsa struct upgt_softc *sc = usbd_xfer_softc(xfer); 1425191983Sweongyo struct upgt_lmac_header *header; 1426191983Sweongyo struct upgt_lmac_eeprom *eeprom; 1427191983Sweongyo uint8_t h1_type; 1428191983Sweongyo uint16_t h2_type; 1429194677Sthompsa int actlen, sumlen; 1430191983Sweongyo 1431194677Sthompsa usbd_xfer_status(xfer, &actlen, &sumlen, NULL, NULL); 1432194677Sthompsa 1433191983Sweongyo UPGT_ASSERT_LOCKED(sc); 1434191983Sweongyo 1435194677Sthompsa if (actlen < 1) 1436191983Sweongyo return (NULL); 1437191983Sweongyo 1438191983Sweongyo /* Check only at the very beginning. */ 1439191983Sweongyo if (!(sc->sc_flags & UPGT_FLAG_FWLOADED) && 1440191983Sweongyo (memcmp(data->buf, "OK", 2) == 0)) { 1441191983Sweongyo sc->sc_flags |= UPGT_FLAG_FWLOADED; 1442191983Sweongyo wakeup_one(sc); 1443191983Sweongyo return (NULL); 1444191983Sweongyo } 1445191983Sweongyo 1446233774Shselasky if (actlen < (int)UPGT_RX_MINSZ) 1447191983Sweongyo return (NULL); 1448191983Sweongyo 1449191983Sweongyo /* 1450191983Sweongyo * Check what type of frame came in. 1451191983Sweongyo */ 1452191983Sweongyo header = (struct upgt_lmac_header *)(data->buf + 4); 1453191983Sweongyo 1454191983Sweongyo h1_type = header->header1.type; 1455191983Sweongyo h2_type = le16toh(header->header2.type); 1456191983Sweongyo 1457191983Sweongyo if (h1_type == UPGT_H1_TYPE_CTRL && h2_type == UPGT_H2_TYPE_EEPROM) { 1458191983Sweongyo eeprom = (struct upgt_lmac_eeprom *)(data->buf + 4); 1459191983Sweongyo uint16_t eeprom_offset = le16toh(eeprom->offset); 1460191983Sweongyo uint16_t eeprom_len = le16toh(eeprom->len); 1461191983Sweongyo 1462191983Sweongyo DPRINTF(sc, UPGT_DEBUG_FW, 1463191983Sweongyo "received EEPROM block (offset=%d, len=%d)\n", 1464191983Sweongyo eeprom_offset, eeprom_len); 1465191983Sweongyo 1466227461Shselasky memcpy(sc->sc_eeprom + eeprom_offset, 1467227461Shselasky data->buf + sizeof(struct upgt_lmac_eeprom) + 4, 1468227461Shselasky eeprom_len); 1469191983Sweongyo 1470191983Sweongyo /* EEPROM data has arrived in time, wakeup. */ 1471191983Sweongyo wakeup(sc); 1472191983Sweongyo } else if (h1_type == UPGT_H1_TYPE_CTRL && 1473191983Sweongyo h2_type == UPGT_H2_TYPE_TX_DONE) { 1474191983Sweongyo DPRINTF(sc, UPGT_DEBUG_XMIT, "%s: received 802.11 TX done\n", 1475191983Sweongyo __func__); 1476191983Sweongyo upgt_tx_done(sc, data->buf + 4); 1477191983Sweongyo } else if (h1_type == UPGT_H1_TYPE_RX_DATA || 1478191983Sweongyo h1_type == UPGT_H1_TYPE_RX_DATA_MGMT) { 1479191983Sweongyo DPRINTF(sc, UPGT_DEBUG_RECV, "%s: received 802.11 RX data\n", 1480191983Sweongyo __func__); 1481191983Sweongyo m = upgt_rx(sc, data->buf + 4, le16toh(header->header1.len), 1482191983Sweongyo rssi); 1483191983Sweongyo } else if (h1_type == UPGT_H1_TYPE_CTRL && 1484191983Sweongyo h2_type == UPGT_H2_TYPE_STATS) { 1485191983Sweongyo DPRINTF(sc, UPGT_DEBUG_STAT, "%s: received statistic data\n", 1486191983Sweongyo __func__); 1487191983Sweongyo /* TODO: what could we do with the statistic data? */ 1488191983Sweongyo } else { 1489191983Sweongyo /* ignore unknown frame types */ 1490191983Sweongyo DPRINTF(sc, UPGT_DEBUG_INTR, 1491191983Sweongyo "received unknown frame type 0x%02x\n", 1492191983Sweongyo header->header1.type); 1493191983Sweongyo } 1494191983Sweongyo return (m); 1495191983Sweongyo} 1496191983Sweongyo 1497191983Sweongyo/* 1498191983Sweongyo * The firmware awaits a checksum for each frame we send to it. 1499191983Sweongyo * The algorithm used therefor is uncommon but somehow similar to CRC32. 1500191983Sweongyo */ 1501191983Sweongyostatic uint32_t 1502191983Sweongyoupgt_chksum_le(const uint32_t *buf, size_t size) 1503191983Sweongyo{ 1504233774Shselasky size_t i; 1505191983Sweongyo uint32_t crc = 0; 1506191983Sweongyo 1507191983Sweongyo for (i = 0; i < size; i += sizeof(uint32_t)) { 1508191983Sweongyo crc = htole32(crc ^ *buf++); 1509191983Sweongyo crc = htole32((crc >> 5) ^ (crc << 3)); 1510191983Sweongyo } 1511191983Sweongyo 1512191983Sweongyo return (crc); 1513191983Sweongyo} 1514191983Sweongyo 1515191983Sweongyostatic struct mbuf * 1516191983Sweongyoupgt_rx(struct upgt_softc *sc, uint8_t *data, int pkglen, int *rssi) 1517191983Sweongyo{ 1518191983Sweongyo struct ifnet *ifp = sc->sc_ifp; 1519191983Sweongyo struct ieee80211com *ic = ifp->if_l2com; 1520191983Sweongyo struct upgt_lmac_rx_desc *rxdesc; 1521191983Sweongyo struct mbuf *m; 1522191983Sweongyo 1523191983Sweongyo /* 1524191983Sweongyo * don't pass packets to the ieee80211 framework if the driver isn't 1525191983Sweongyo * RUNNING. 1526191983Sweongyo */ 1527191983Sweongyo if (!(ifp->if_drv_flags & IFF_DRV_RUNNING)) 1528191983Sweongyo return (NULL); 1529191983Sweongyo 1530191983Sweongyo /* access RX packet descriptor */ 1531191983Sweongyo rxdesc = (struct upgt_lmac_rx_desc *)data; 1532191983Sweongyo 1533191983Sweongyo /* create mbuf which is suitable for strict alignment archs */ 1534191983Sweongyo KASSERT((pkglen + ETHER_ALIGN) < MCLBYTES, 1535191983Sweongyo ("A current mbuf storage is small (%d)", pkglen + ETHER_ALIGN)); 1536243857Sglebius m = m_getcl(M_NOWAIT, MT_DATA, M_PKTHDR); 1537191983Sweongyo if (m == NULL) { 1538199816Sthompsa device_printf(sc->sc_dev, "could not create RX mbuf\n"); 1539191983Sweongyo return (NULL); 1540191983Sweongyo } 1541191983Sweongyo m_adj(m, ETHER_ALIGN); 1542227461Shselasky memcpy(mtod(m, char *), rxdesc->data, pkglen); 1543191983Sweongyo /* trim FCS */ 1544191983Sweongyo m->m_len = m->m_pkthdr.len = pkglen - IEEE80211_CRC_LEN; 1545191983Sweongyo m->m_pkthdr.rcvif = ifp; 1546191983Sweongyo 1547192468Ssam if (ieee80211_radiotap_active(ic)) { 1548191983Sweongyo struct upgt_rx_radiotap_header *tap = &sc->sc_rxtap; 1549191983Sweongyo 1550191983Sweongyo tap->wr_flags = 0; 1551191983Sweongyo tap->wr_rate = upgt_rx_rate(sc, rxdesc->rate); 1552191983Sweongyo tap->wr_antsignal = rxdesc->rssi; 1553191983Sweongyo } 1554191983Sweongyo ifp->if_ipackets++; 1555191983Sweongyo 1556191983Sweongyo DPRINTF(sc, UPGT_DEBUG_RX_PROC, "%s: RX done\n", __func__); 1557191983Sweongyo *rssi = rxdesc->rssi; 1558191983Sweongyo return (m); 1559191983Sweongyo} 1560191983Sweongyo 1561191983Sweongyostatic uint8_t 1562191983Sweongyoupgt_rx_rate(struct upgt_softc *sc, const int rate) 1563191983Sweongyo{ 1564191983Sweongyo struct ifnet *ifp = sc->sc_ifp; 1565191983Sweongyo struct ieee80211com *ic = ifp->if_l2com; 1566191983Sweongyo static const uint8_t cck_upgt2rate[4] = { 2, 4, 11, 22 }; 1567191983Sweongyo static const uint8_t ofdm_upgt2rate[12] = 1568191983Sweongyo { 2, 4, 11, 22, 12, 18, 24, 36, 48, 72, 96, 108 }; 1569191983Sweongyo 1570191983Sweongyo if (ic->ic_curmode == IEEE80211_MODE_11B && 1571191983Sweongyo !(rate < 0 || rate > 3)) 1572191983Sweongyo return cck_upgt2rate[rate & 0xf]; 1573191983Sweongyo 1574191983Sweongyo if (ic->ic_curmode == IEEE80211_MODE_11G && 1575191983Sweongyo !(rate < 0 || rate > 11)) 1576191983Sweongyo return ofdm_upgt2rate[rate & 0xf]; 1577191983Sweongyo 1578191983Sweongyo return (0); 1579191983Sweongyo} 1580191983Sweongyo 1581191983Sweongyostatic void 1582191983Sweongyoupgt_tx_done(struct upgt_softc *sc, uint8_t *data) 1583191983Sweongyo{ 1584191983Sweongyo struct ifnet *ifp = sc->sc_ifp; 1585191983Sweongyo struct upgt_lmac_tx_done_desc *desc; 1586191983Sweongyo int i, freed = 0; 1587191983Sweongyo 1588191983Sweongyo UPGT_ASSERT_LOCKED(sc); 1589191983Sweongyo 1590191983Sweongyo desc = (struct upgt_lmac_tx_done_desc *)data; 1591191983Sweongyo 1592191983Sweongyo for (i = 0; i < UPGT_TX_MAXCOUNT; i++) { 1593191983Sweongyo struct upgt_data *data_tx = &sc->sc_tx_data[i]; 1594191983Sweongyo 1595191983Sweongyo if (data_tx->addr == le32toh(desc->header2.reqid)) { 1596191983Sweongyo upgt_mem_free(sc, data_tx->addr); 1597191983Sweongyo data_tx->ni = NULL; 1598191983Sweongyo data_tx->addr = 0; 1599191983Sweongyo data_tx->m = NULL; 1600191983Sweongyo 1601191983Sweongyo DPRINTF(sc, UPGT_DEBUG_TX_PROC, 1602191983Sweongyo "TX done: memaddr=0x%08x, status=0x%04x, rssi=%d, ", 1603191983Sweongyo le32toh(desc->header2.reqid), 1604191983Sweongyo le16toh(desc->status), le16toh(desc->rssi)); 1605191983Sweongyo DPRINTF(sc, UPGT_DEBUG_TX_PROC, "seq=%d\n", 1606191983Sweongyo le16toh(desc->seq)); 1607191983Sweongyo 1608191983Sweongyo freed++; 1609191983Sweongyo } 1610191983Sweongyo } 1611191983Sweongyo 1612191983Sweongyo if (freed != 0) { 1613191983Sweongyo sc->sc_tx_timer = 0; 1614191983Sweongyo ifp->if_drv_flags &= ~IFF_DRV_OACTIVE; 1615191983Sweongyo UPGT_UNLOCK(sc); 1616191983Sweongyo upgt_start(ifp); 1617191983Sweongyo UPGT_LOCK(sc); 1618191983Sweongyo } 1619191983Sweongyo} 1620191983Sweongyo 1621191983Sweongyostatic void 1622191983Sweongyoupgt_mem_free(struct upgt_softc *sc, uint32_t addr) 1623191983Sweongyo{ 1624191983Sweongyo int i; 1625191983Sweongyo 1626191983Sweongyo for (i = 0; i < sc->sc_memory.pages; i++) { 1627191983Sweongyo if (sc->sc_memory.page[i].addr == addr) { 1628191983Sweongyo sc->sc_memory.page[i].used = 0; 1629191983Sweongyo return; 1630191983Sweongyo } 1631191983Sweongyo } 1632191983Sweongyo 1633191983Sweongyo device_printf(sc->sc_dev, 1634199816Sthompsa "could not free memory address 0x%08x\n", addr); 1635191983Sweongyo} 1636191983Sweongyo 1637191983Sweongyostatic int 1638191983Sweongyoupgt_fw_load(struct upgt_softc *sc) 1639191983Sweongyo{ 1640191983Sweongyo const struct firmware *fw; 1641191983Sweongyo struct upgt_data *data_cmd; 1642191983Sweongyo struct upgt_fw_x2_header *x2; 1643191983Sweongyo char start_fwload_cmd[] = { 0x3c, 0x0d }; 1644233774Shselasky int error = 0; 1645233774Shselasky size_t offset; 1646233774Shselasky int bsize; 1647233774Shselasky int n; 1648191983Sweongyo uint32_t crc32; 1649191983Sweongyo 1650191983Sweongyo fw = firmware_get(upgt_fwname); 1651191983Sweongyo if (fw == NULL) { 1652199816Sthompsa device_printf(sc->sc_dev, "could not read microcode %s\n", 1653191983Sweongyo upgt_fwname); 1654191983Sweongyo return (EIO); 1655191983Sweongyo } 1656191983Sweongyo 1657191983Sweongyo UPGT_LOCK(sc); 1658191983Sweongyo 1659191983Sweongyo /* send firmware start load command */ 1660191983Sweongyo data_cmd = upgt_getbuf(sc); 1661191983Sweongyo if (data_cmd == NULL) { 1662191983Sweongyo error = ENOBUFS; 1663191983Sweongyo goto fail; 1664191983Sweongyo } 1665191983Sweongyo data_cmd->buflen = sizeof(start_fwload_cmd); 1666227461Shselasky memcpy(data_cmd->buf, start_fwload_cmd, data_cmd->buflen); 1667191983Sweongyo upgt_bulk_tx(sc, data_cmd); 1668191983Sweongyo 1669191983Sweongyo /* send X2 header */ 1670191983Sweongyo data_cmd = upgt_getbuf(sc); 1671191983Sweongyo if (data_cmd == NULL) { 1672191983Sweongyo error = ENOBUFS; 1673191983Sweongyo goto fail; 1674191983Sweongyo } 1675191983Sweongyo data_cmd->buflen = sizeof(struct upgt_fw_x2_header); 1676191983Sweongyo x2 = (struct upgt_fw_x2_header *)data_cmd->buf; 1677227461Shselasky memcpy(x2->signature, UPGT_X2_SIGNATURE, UPGT_X2_SIGNATURE_SIZE); 1678191983Sweongyo x2->startaddr = htole32(UPGT_MEMADDR_FIRMWARE_START); 1679191983Sweongyo x2->len = htole32(fw->datasize); 1680191983Sweongyo x2->crc = upgt_crc32_le((uint8_t *)data_cmd->buf + 1681191983Sweongyo UPGT_X2_SIGNATURE_SIZE, 1682191983Sweongyo sizeof(struct upgt_fw_x2_header) - UPGT_X2_SIGNATURE_SIZE - 1683191983Sweongyo sizeof(uint32_t)); 1684191983Sweongyo upgt_bulk_tx(sc, data_cmd); 1685191983Sweongyo 1686191983Sweongyo /* download firmware */ 1687191983Sweongyo for (offset = 0; offset < fw->datasize; offset += bsize) { 1688191983Sweongyo if (fw->datasize - offset > UPGT_FW_BLOCK_SIZE) 1689191983Sweongyo bsize = UPGT_FW_BLOCK_SIZE; 1690191983Sweongyo else 1691191983Sweongyo bsize = fw->datasize - offset; 1692191983Sweongyo 1693191983Sweongyo data_cmd = upgt_getbuf(sc); 1694191983Sweongyo if (data_cmd == NULL) { 1695191983Sweongyo error = ENOBUFS; 1696191983Sweongyo goto fail; 1697191983Sweongyo } 1698191983Sweongyo n = upgt_fw_copy((const uint8_t *)fw->data + offset, 1699191983Sweongyo data_cmd->buf, bsize); 1700191983Sweongyo data_cmd->buflen = bsize; 1701191983Sweongyo upgt_bulk_tx(sc, data_cmd); 1702191983Sweongyo 1703343816Savos DPRINTF(sc, UPGT_DEBUG_FW, "FW offset=%zu, read=%d, sent=%d\n", 1704191983Sweongyo offset, n, bsize); 1705191983Sweongyo bsize = n; 1706191983Sweongyo } 1707191983Sweongyo DPRINTF(sc, UPGT_DEBUG_FW, "%s: firmware downloaded\n", __func__); 1708191983Sweongyo 1709191983Sweongyo /* load firmware */ 1710191983Sweongyo data_cmd = upgt_getbuf(sc); 1711191983Sweongyo if (data_cmd == NULL) { 1712191983Sweongyo error = ENOBUFS; 1713191983Sweongyo goto fail; 1714191983Sweongyo } 1715191983Sweongyo crc32 = upgt_crc32_le(fw->data, fw->datasize); 1716191983Sweongyo *((uint32_t *)(data_cmd->buf) ) = crc32; 1717191983Sweongyo *((uint8_t *)(data_cmd->buf) + 4) = 'g'; 1718191983Sweongyo *((uint8_t *)(data_cmd->buf) + 5) = '\r'; 1719191983Sweongyo data_cmd->buflen = 6; 1720191983Sweongyo upgt_bulk_tx(sc, data_cmd); 1721191983Sweongyo 1722191983Sweongyo /* waiting 'OK' response. */ 1723194228Sthompsa usbd_transfer_start(sc->sc_xfer[UPGT_BULK_RX]); 1724191983Sweongyo error = mtx_sleep(sc, &sc->sc_mtx, 0, "upgtfw", 2 * hz); 1725191983Sweongyo if (error != 0) { 1726199816Sthompsa device_printf(sc->sc_dev, "firmware load failed\n"); 1727191983Sweongyo error = EIO; 1728191983Sweongyo } 1729191983Sweongyo 1730191983Sweongyo DPRINTF(sc, UPGT_DEBUG_FW, "%s: firmware loaded\n", __func__); 1731191983Sweongyofail: 1732191983Sweongyo UPGT_UNLOCK(sc); 1733191983Sweongyo firmware_put(fw, FIRMWARE_UNLOAD); 1734191983Sweongyo return (error); 1735191983Sweongyo} 1736191983Sweongyo 1737191983Sweongyostatic uint32_t 1738191983Sweongyoupgt_crc32_le(const void *buf, size_t size) 1739191983Sweongyo{ 1740191983Sweongyo uint32_t crc; 1741191983Sweongyo 1742191983Sweongyo crc = ether_crc32_le(buf, size); 1743191983Sweongyo 1744191983Sweongyo /* apply final XOR value as common for CRC-32 */ 1745191983Sweongyo crc = htole32(crc ^ 0xffffffffU); 1746191983Sweongyo 1747191983Sweongyo return (crc); 1748191983Sweongyo} 1749191983Sweongyo 1750191983Sweongyo/* 1751191983Sweongyo * While copying the version 2 firmware, we need to replace two characters: 1752191983Sweongyo * 1753191983Sweongyo * 0x7e -> 0x7d 0x5e 1754191983Sweongyo * 0x7d -> 0x7d 0x5d 1755191983Sweongyo */ 1756191983Sweongyostatic int 1757191983Sweongyoupgt_fw_copy(const uint8_t *src, char *dst, int size) 1758191983Sweongyo{ 1759191983Sweongyo int i, j; 1760191983Sweongyo 1761191983Sweongyo for (i = 0, j = 0; i < size && j < size; i++) { 1762191983Sweongyo switch (src[i]) { 1763191983Sweongyo case 0x7e: 1764191983Sweongyo dst[j] = 0x7d; 1765191983Sweongyo j++; 1766191983Sweongyo dst[j] = 0x5e; 1767191983Sweongyo j++; 1768191983Sweongyo break; 1769191983Sweongyo case 0x7d: 1770191983Sweongyo dst[j] = 0x7d; 1771191983Sweongyo j++; 1772191983Sweongyo dst[j] = 0x5d; 1773191983Sweongyo j++; 1774191983Sweongyo break; 1775191983Sweongyo default: 1776191983Sweongyo dst[j] = src[i]; 1777191983Sweongyo j++; 1778191983Sweongyo break; 1779191983Sweongyo } 1780191983Sweongyo } 1781191983Sweongyo 1782191983Sweongyo return (i); 1783191983Sweongyo} 1784191983Sweongyo 1785191983Sweongyostatic int 1786191983Sweongyoupgt_mem_init(struct upgt_softc *sc) 1787191983Sweongyo{ 1788191983Sweongyo int i; 1789191983Sweongyo 1790191983Sweongyo for (i = 0; i < UPGT_MEMORY_MAX_PAGES; i++) { 1791191983Sweongyo sc->sc_memory.page[i].used = 0; 1792191983Sweongyo 1793191983Sweongyo if (i == 0) { 1794191983Sweongyo /* 1795191983Sweongyo * The first memory page is always reserved for 1796191983Sweongyo * command data. 1797191983Sweongyo */ 1798191983Sweongyo sc->sc_memory.page[i].addr = 1799191983Sweongyo sc->sc_memaddr_frame_start + MCLBYTES; 1800191983Sweongyo } else { 1801191983Sweongyo sc->sc_memory.page[i].addr = 1802191983Sweongyo sc->sc_memory.page[i - 1].addr + MCLBYTES; 1803191983Sweongyo } 1804191983Sweongyo 1805191983Sweongyo if (sc->sc_memory.page[i].addr + MCLBYTES >= 1806191983Sweongyo sc->sc_memaddr_frame_end) 1807191983Sweongyo break; 1808191983Sweongyo 1809191983Sweongyo DPRINTF(sc, UPGT_DEBUG_FW, "memory address page %d=0x%08x\n", 1810191983Sweongyo i, sc->sc_memory.page[i].addr); 1811191983Sweongyo } 1812191983Sweongyo 1813191983Sweongyo sc->sc_memory.pages = i; 1814191983Sweongyo 1815191983Sweongyo DPRINTF(sc, UPGT_DEBUG_FW, "memory pages=%d\n", sc->sc_memory.pages); 1816191983Sweongyo return (0); 1817191983Sweongyo} 1818191983Sweongyo 1819191983Sweongyostatic int 1820191983Sweongyoupgt_fw_verify(struct upgt_softc *sc) 1821191983Sweongyo{ 1822191983Sweongyo const struct firmware *fw; 1823191983Sweongyo const struct upgt_fw_bra_option *bra_opt; 1824191983Sweongyo const struct upgt_fw_bra_descr *descr; 1825191983Sweongyo const uint8_t *p; 1826191983Sweongyo const uint32_t *uc; 1827191983Sweongyo uint32_t bra_option_type, bra_option_len; 1828233774Shselasky size_t offset; 1829233774Shselasky int bra_end = 0; 1830233774Shselasky int error = 0; 1831191983Sweongyo 1832191983Sweongyo fw = firmware_get(upgt_fwname); 1833191983Sweongyo if (fw == NULL) { 1834199816Sthompsa device_printf(sc->sc_dev, "could not read microcode %s\n", 1835191983Sweongyo upgt_fwname); 1836191983Sweongyo return EIO; 1837191983Sweongyo } 1838191983Sweongyo 1839191983Sweongyo /* 1840191983Sweongyo * Seek to beginning of Boot Record Area (BRA). 1841191983Sweongyo */ 1842191983Sweongyo for (offset = 0; offset < fw->datasize; offset += sizeof(*uc)) { 1843191983Sweongyo uc = (const uint32_t *)((const uint8_t *)fw->data + offset); 1844191983Sweongyo if (*uc == 0) 1845191983Sweongyo break; 1846191983Sweongyo } 1847191983Sweongyo for (; offset < fw->datasize; offset += sizeof(*uc)) { 1848191983Sweongyo uc = (const uint32_t *)((const uint8_t *)fw->data + offset); 1849191983Sweongyo if (*uc != 0) 1850191983Sweongyo break; 1851191983Sweongyo } 1852191983Sweongyo if (offset == fw->datasize) { 1853191983Sweongyo device_printf(sc->sc_dev, 1854199816Sthompsa "firmware Boot Record Area not found\n"); 1855191983Sweongyo error = EIO; 1856191983Sweongyo goto fail; 1857191983Sweongyo } 1858191983Sweongyo 1859191983Sweongyo DPRINTF(sc, UPGT_DEBUG_FW, 1860343816Savos "firmware Boot Record Area found at offset %zu\n", offset); 1861191983Sweongyo 1862191983Sweongyo /* 1863191983Sweongyo * Parse Boot Record Area (BRA) options. 1864191983Sweongyo */ 1865191983Sweongyo while (offset < fw->datasize && bra_end == 0) { 1866191983Sweongyo /* get current BRA option */ 1867191983Sweongyo p = (const uint8_t *)fw->data + offset; 1868191983Sweongyo bra_opt = (const struct upgt_fw_bra_option *)p; 1869191983Sweongyo bra_option_type = le32toh(bra_opt->type); 1870191983Sweongyo bra_option_len = le32toh(bra_opt->len) * sizeof(*uc); 1871191983Sweongyo 1872191983Sweongyo switch (bra_option_type) { 1873191983Sweongyo case UPGT_BRA_TYPE_FW: 1874191983Sweongyo DPRINTF(sc, UPGT_DEBUG_FW, "UPGT_BRA_TYPE_FW len=%d\n", 1875191983Sweongyo bra_option_len); 1876191983Sweongyo 1877191983Sweongyo if (bra_option_len != UPGT_BRA_FWTYPE_SIZE) { 1878191983Sweongyo device_printf(sc->sc_dev, 1879199816Sthompsa "wrong UPGT_BRA_TYPE_FW len\n"); 1880191983Sweongyo error = EIO; 1881191983Sweongyo goto fail; 1882191983Sweongyo } 1883191983Sweongyo if (memcmp(UPGT_BRA_FWTYPE_LM86, bra_opt->data, 1884191983Sweongyo bra_option_len) == 0) { 1885191983Sweongyo sc->sc_fw_type = UPGT_FWTYPE_LM86; 1886191983Sweongyo break; 1887191983Sweongyo } 1888191983Sweongyo if (memcmp(UPGT_BRA_FWTYPE_LM87, bra_opt->data, 1889191983Sweongyo bra_option_len) == 0) { 1890191983Sweongyo sc->sc_fw_type = UPGT_FWTYPE_LM87; 1891191983Sweongyo break; 1892191983Sweongyo } 1893191983Sweongyo device_printf(sc->sc_dev, 1894199816Sthompsa "unsupported firmware type\n"); 1895191983Sweongyo error = EIO; 1896191983Sweongyo goto fail; 1897191983Sweongyo case UPGT_BRA_TYPE_VERSION: 1898191983Sweongyo DPRINTF(sc, UPGT_DEBUG_FW, 1899191983Sweongyo "UPGT_BRA_TYPE_VERSION len=%d\n", bra_option_len); 1900191983Sweongyo break; 1901191983Sweongyo case UPGT_BRA_TYPE_DEPIF: 1902191983Sweongyo DPRINTF(sc, UPGT_DEBUG_FW, 1903191983Sweongyo "UPGT_BRA_TYPE_DEPIF len=%d\n", bra_option_len); 1904191983Sweongyo break; 1905191983Sweongyo case UPGT_BRA_TYPE_EXPIF: 1906191983Sweongyo DPRINTF(sc, UPGT_DEBUG_FW, 1907191983Sweongyo "UPGT_BRA_TYPE_EXPIF len=%d\n", bra_option_len); 1908191983Sweongyo break; 1909191983Sweongyo case UPGT_BRA_TYPE_DESCR: 1910191983Sweongyo DPRINTF(sc, UPGT_DEBUG_FW, 1911191983Sweongyo "UPGT_BRA_TYPE_DESCR len=%d\n", bra_option_len); 1912191983Sweongyo 1913191983Sweongyo descr = (const struct upgt_fw_bra_descr *)bra_opt->data; 1914191983Sweongyo 1915191983Sweongyo sc->sc_memaddr_frame_start = 1916191983Sweongyo le32toh(descr->memaddr_space_start); 1917191983Sweongyo sc->sc_memaddr_frame_end = 1918191983Sweongyo le32toh(descr->memaddr_space_end); 1919191983Sweongyo 1920191983Sweongyo DPRINTF(sc, UPGT_DEBUG_FW, 1921191983Sweongyo "memory address space start=0x%08x\n", 1922191983Sweongyo sc->sc_memaddr_frame_start); 1923191983Sweongyo DPRINTF(sc, UPGT_DEBUG_FW, 1924191983Sweongyo "memory address space end=0x%08x\n", 1925191983Sweongyo sc->sc_memaddr_frame_end); 1926191983Sweongyo break; 1927191983Sweongyo case UPGT_BRA_TYPE_END: 1928191983Sweongyo DPRINTF(sc, UPGT_DEBUG_FW, "UPGT_BRA_TYPE_END len=%d\n", 1929191983Sweongyo bra_option_len); 1930191983Sweongyo bra_end = 1; 1931191983Sweongyo break; 1932191983Sweongyo default: 1933191983Sweongyo DPRINTF(sc, UPGT_DEBUG_FW, "unknown BRA option len=%d\n", 1934191983Sweongyo bra_option_len); 1935191983Sweongyo error = EIO; 1936191983Sweongyo goto fail; 1937191983Sweongyo } 1938191983Sweongyo 1939191983Sweongyo /* jump to next BRA option */ 1940191983Sweongyo offset += sizeof(struct upgt_fw_bra_option) + bra_option_len; 1941191983Sweongyo } 1942191983Sweongyo 1943191983Sweongyo DPRINTF(sc, UPGT_DEBUG_FW, "%s: firmware verified", __func__); 1944191983Sweongyofail: 1945191983Sweongyo firmware_put(fw, FIRMWARE_UNLOAD); 1946191983Sweongyo return (error); 1947191983Sweongyo} 1948191983Sweongyo 1949191983Sweongyostatic void 1950191983Sweongyoupgt_bulk_tx(struct upgt_softc *sc, struct upgt_data *data) 1951191983Sweongyo{ 1952191983Sweongyo 1953191983Sweongyo UPGT_ASSERT_LOCKED(sc); 1954191983Sweongyo 1955191983Sweongyo STAILQ_INSERT_TAIL(&sc->sc_tx_pending, data, next); 1956191983Sweongyo UPGT_STAT_INC(sc, st_tx_pending); 1957194228Sthompsa usbd_transfer_start(sc->sc_xfer[UPGT_BULK_TX]); 1958191983Sweongyo} 1959191983Sweongyo 1960191983Sweongyostatic int 1961191983Sweongyoupgt_device_reset(struct upgt_softc *sc) 1962191983Sweongyo{ 1963191983Sweongyo struct upgt_data *data; 1964191983Sweongyo char init_cmd[] = { 0x7e, 0x7e, 0x7e, 0x7e }; 1965191983Sweongyo 1966191983Sweongyo UPGT_LOCK(sc); 1967191983Sweongyo 1968191983Sweongyo data = upgt_getbuf(sc); 1969191983Sweongyo if (data == NULL) { 1970191983Sweongyo UPGT_UNLOCK(sc); 1971191983Sweongyo return (ENOBUFS); 1972191983Sweongyo } 1973227461Shselasky memcpy(data->buf, init_cmd, sizeof(init_cmd)); 1974191983Sweongyo data->buflen = sizeof(init_cmd); 1975191983Sweongyo upgt_bulk_tx(sc, data); 1976194228Sthompsa usb_pause_mtx(&sc->sc_mtx, 100); 1977191983Sweongyo 1978191983Sweongyo UPGT_UNLOCK(sc); 1979191983Sweongyo DPRINTF(sc, UPGT_DEBUG_FW, "%s: device initialized\n", __func__); 1980191983Sweongyo return (0); 1981191983Sweongyo} 1982191983Sweongyo 1983191983Sweongyostatic int 1984191983Sweongyoupgt_alloc_tx(struct upgt_softc *sc) 1985191983Sweongyo{ 1986191983Sweongyo int i; 1987191983Sweongyo 1988191983Sweongyo STAILQ_INIT(&sc->sc_tx_active); 1989191983Sweongyo STAILQ_INIT(&sc->sc_tx_inactive); 1990191983Sweongyo STAILQ_INIT(&sc->sc_tx_pending); 1991191983Sweongyo 1992191983Sweongyo for (i = 0; i < UPGT_TX_MAXCOUNT; i++) { 1993191983Sweongyo struct upgt_data *data = &sc->sc_tx_data[i]; 1994244503Shselasky data->buf = ((uint8_t *)sc->sc_tx_dma_buf) + (i * MCLBYTES); 1995191983Sweongyo STAILQ_INSERT_TAIL(&sc->sc_tx_inactive, data, next); 1996191983Sweongyo UPGT_STAT_INC(sc, st_tx_inactive); 1997191983Sweongyo } 1998191983Sweongyo 1999191983Sweongyo return (0); 2000191983Sweongyo} 2001191983Sweongyo 2002191983Sweongyostatic int 2003191983Sweongyoupgt_alloc_rx(struct upgt_softc *sc) 2004191983Sweongyo{ 2005191983Sweongyo int i; 2006191983Sweongyo 2007191983Sweongyo STAILQ_INIT(&sc->sc_rx_active); 2008191983Sweongyo STAILQ_INIT(&sc->sc_rx_inactive); 2009191983Sweongyo 2010191983Sweongyo for (i = 0; i < UPGT_RX_MAXCOUNT; i++) { 2011191983Sweongyo struct upgt_data *data = &sc->sc_rx_data[i]; 2012244503Shselasky data->buf = ((uint8_t *)sc->sc_rx_dma_buf) + (i * MCLBYTES); 2013191983Sweongyo STAILQ_INSERT_TAIL(&sc->sc_rx_inactive, data, next); 2014191983Sweongyo } 2015191983Sweongyo return (0); 2016191983Sweongyo} 2017191983Sweongyo 2018191983Sweongyostatic int 2019191983Sweongyoupgt_detach(device_t dev) 2020191983Sweongyo{ 2021191983Sweongyo struct upgt_softc *sc = device_get_softc(dev); 2022191983Sweongyo struct ifnet *ifp = sc->sc_ifp; 2023191983Sweongyo struct ieee80211com *ic = ifp->if_l2com; 2024246614Shselasky unsigned int x; 2025191983Sweongyo 2026246614Shselasky /* 2027246614Shselasky * Prevent further allocations from RX/TX/CMD 2028246614Shselasky * data lists and ioctls 2029246614Shselasky */ 2030246614Shselasky UPGT_LOCK(sc); 2031246614Shselasky sc->sc_flags |= UPGT_FLAG_DETACHED; 2032191983Sweongyo 2033246614Shselasky STAILQ_INIT(&sc->sc_tx_active); 2034246614Shselasky STAILQ_INIT(&sc->sc_tx_inactive); 2035246614Shselasky STAILQ_INIT(&sc->sc_tx_pending); 2036246614Shselasky 2037246614Shselasky STAILQ_INIT(&sc->sc_rx_active); 2038246614Shselasky STAILQ_INIT(&sc->sc_rx_inactive); 2039246614Shselasky UPGT_UNLOCK(sc); 2040246614Shselasky 2041191983Sweongyo upgt_stop(sc); 2042191983Sweongyo 2043191983Sweongyo callout_drain(&sc->sc_led_ch); 2044191983Sweongyo callout_drain(&sc->sc_watchdog_ch); 2045191983Sweongyo 2046246614Shselasky /* drain USB transfers */ 2047246614Shselasky for (x = 0; x != UPGT_N_XFERS; x++) 2048246614Shselasky usbd_transfer_drain(sc->sc_xfer[x]); 2049244503Shselasky 2050246614Shselasky /* free data buffers */ 2051246614Shselasky UPGT_LOCK(sc); 2052191983Sweongyo upgt_free_rx(sc); 2053191983Sweongyo upgt_free_tx(sc); 2054246614Shselasky UPGT_UNLOCK(sc); 2055191983Sweongyo 2056246614Shselasky /* free USB transfers and some data buffers */ 2057246614Shselasky usbd_transfer_unsetup(sc->sc_xfer, UPGT_N_XFERS); 2058246614Shselasky 2059246614Shselasky ieee80211_ifdetach(ic); 2060191983Sweongyo if_free(ifp); 2061191983Sweongyo mtx_destroy(&sc->sc_mtx); 2062191983Sweongyo 2063191983Sweongyo return (0); 2064191983Sweongyo} 2065191983Sweongyo 2066191983Sweongyostatic void 2067191983Sweongyoupgt_free_rx(struct upgt_softc *sc) 2068191983Sweongyo{ 2069191983Sweongyo int i; 2070191983Sweongyo 2071191983Sweongyo for (i = 0; i < UPGT_RX_MAXCOUNT; i++) { 2072191983Sweongyo struct upgt_data *data = &sc->sc_rx_data[i]; 2073191983Sweongyo 2074244503Shselasky data->buf = NULL; 2075191983Sweongyo data->ni = NULL; 2076191983Sweongyo } 2077191983Sweongyo} 2078191983Sweongyo 2079191983Sweongyostatic void 2080191983Sweongyoupgt_free_tx(struct upgt_softc *sc) 2081191983Sweongyo{ 2082191983Sweongyo int i; 2083191983Sweongyo 2084191983Sweongyo for (i = 0; i < UPGT_TX_MAXCOUNT; i++) { 2085191983Sweongyo struct upgt_data *data = &sc->sc_tx_data[i]; 2086191983Sweongyo 2087246614Shselasky if (data->ni != NULL) 2088246614Shselasky ieee80211_free_node(data->ni); 2089246614Shselasky 2090244503Shselasky data->buf = NULL; 2091191983Sweongyo data->ni = NULL; 2092191983Sweongyo } 2093191983Sweongyo} 2094191983Sweongyo 2095191983Sweongyostatic void 2096191983Sweongyoupgt_abort_xfers_locked(struct upgt_softc *sc) 2097191983Sweongyo{ 2098191983Sweongyo int i; 2099191983Sweongyo 2100191983Sweongyo UPGT_ASSERT_LOCKED(sc); 2101191983Sweongyo /* abort any pending transfers */ 2102191983Sweongyo for (i = 0; i < UPGT_N_XFERS; i++) 2103194228Sthompsa usbd_transfer_stop(sc->sc_xfer[i]); 2104191983Sweongyo} 2105191983Sweongyo 2106191983Sweongyostatic void 2107191983Sweongyoupgt_abort_xfers(struct upgt_softc *sc) 2108191983Sweongyo{ 2109191983Sweongyo 2110191983Sweongyo UPGT_LOCK(sc); 2111191983Sweongyo upgt_abort_xfers_locked(sc); 2112191983Sweongyo UPGT_UNLOCK(sc); 2113191983Sweongyo} 2114191983Sweongyo 2115191983Sweongyo#define UPGT_SYSCTL_STAT_ADD32(c, h, n, p, d) \ 2116191983Sweongyo SYSCTL_ADD_UINT(c, h, OID_AUTO, n, CTLFLAG_RD, p, 0, d) 2117191983Sweongyo 2118191983Sweongyostatic void 2119191983Sweongyoupgt_sysctl_node(struct upgt_softc *sc) 2120191983Sweongyo{ 2121191983Sweongyo struct sysctl_ctx_list *ctx; 2122191983Sweongyo struct sysctl_oid_list *child; 2123191983Sweongyo struct sysctl_oid *tree; 2124191983Sweongyo struct upgt_stat *stats; 2125191983Sweongyo 2126191983Sweongyo stats = &sc->sc_stat; 2127191983Sweongyo ctx = device_get_sysctl_ctx(sc->sc_dev); 2128191983Sweongyo child = SYSCTL_CHILDREN(device_get_sysctl_tree(sc->sc_dev)); 2129191983Sweongyo 2130191983Sweongyo tree = SYSCTL_ADD_NODE(ctx, child, OID_AUTO, "stats", CTLFLAG_RD, 2131191983Sweongyo NULL, "UPGT statistics"); 2132191983Sweongyo child = SYSCTL_CHILDREN(tree); 2133191983Sweongyo UPGT_SYSCTL_STAT_ADD32(ctx, child, "tx_active", 2134191983Sweongyo &stats->st_tx_active, "Active numbers in TX queue"); 2135191983Sweongyo UPGT_SYSCTL_STAT_ADD32(ctx, child, "tx_inactive", 2136191983Sweongyo &stats->st_tx_inactive, "Inactive numbers in TX queue"); 2137191983Sweongyo UPGT_SYSCTL_STAT_ADD32(ctx, child, "tx_pending", 2138191983Sweongyo &stats->st_tx_pending, "Pending numbers in TX queue"); 2139191983Sweongyo} 2140191983Sweongyo 2141191983Sweongyo#undef UPGT_SYSCTL_STAT_ADD32 2142191983Sweongyo 2143191983Sweongyostatic struct upgt_data * 2144191983Sweongyo_upgt_getbuf(struct upgt_softc *sc) 2145191983Sweongyo{ 2146191983Sweongyo struct upgt_data *bf; 2147191983Sweongyo 2148191983Sweongyo bf = STAILQ_FIRST(&sc->sc_tx_inactive); 2149191983Sweongyo if (bf != NULL) { 2150191983Sweongyo STAILQ_REMOVE_HEAD(&sc->sc_tx_inactive, next); 2151191983Sweongyo UPGT_STAT_DEC(sc, st_tx_inactive); 2152191983Sweongyo } else 2153191983Sweongyo bf = NULL; 2154191983Sweongyo if (bf == NULL) 2155191983Sweongyo DPRINTF(sc, UPGT_DEBUG_XMIT, "%s: %s\n", __func__, 2156191983Sweongyo "out of xmit buffers"); 2157191983Sweongyo return (bf); 2158191983Sweongyo} 2159191983Sweongyo 2160191983Sweongyostatic struct upgt_data * 2161191983Sweongyoupgt_getbuf(struct upgt_softc *sc) 2162191983Sweongyo{ 2163191983Sweongyo struct upgt_data *bf; 2164191983Sweongyo 2165191983Sweongyo UPGT_ASSERT_LOCKED(sc); 2166191983Sweongyo 2167191983Sweongyo bf = _upgt_getbuf(sc); 2168191983Sweongyo if (bf == NULL) { 2169191983Sweongyo struct ifnet *ifp = sc->sc_ifp; 2170191983Sweongyo 2171191983Sweongyo DPRINTF(sc, UPGT_DEBUG_XMIT, "%s: stop queue\n", __func__); 2172191983Sweongyo ifp->if_drv_flags |= IFF_DRV_OACTIVE; 2173191983Sweongyo } 2174191983Sweongyo 2175191983Sweongyo return (bf); 2176191983Sweongyo} 2177191983Sweongyo 2178191983Sweongyostatic struct upgt_data * 2179191983Sweongyoupgt_gettxbuf(struct upgt_softc *sc) 2180191983Sweongyo{ 2181191983Sweongyo struct upgt_data *bf; 2182191983Sweongyo 2183191983Sweongyo UPGT_ASSERT_LOCKED(sc); 2184191983Sweongyo 2185191983Sweongyo bf = upgt_getbuf(sc); 2186191983Sweongyo if (bf == NULL) 2187191983Sweongyo return (NULL); 2188191983Sweongyo 2189191983Sweongyo bf->addr = upgt_mem_alloc(sc); 2190191983Sweongyo if (bf->addr == 0) { 2191191983Sweongyo struct ifnet *ifp = sc->sc_ifp; 2192191983Sweongyo 2193191983Sweongyo DPRINTF(sc, UPGT_DEBUG_XMIT, "%s: no free prism memory!\n", 2194191983Sweongyo __func__); 2195191983Sweongyo STAILQ_INSERT_HEAD(&sc->sc_tx_inactive, bf, next); 2196191983Sweongyo UPGT_STAT_INC(sc, st_tx_inactive); 2197191983Sweongyo if (!(ifp->if_drv_flags & IFF_DRV_OACTIVE)) 2198191983Sweongyo ifp->if_drv_flags |= IFF_DRV_OACTIVE; 2199191983Sweongyo return (NULL); 2200191983Sweongyo } 2201191983Sweongyo return (bf); 2202191983Sweongyo} 2203191983Sweongyo 2204191983Sweongyostatic int 2205191983Sweongyoupgt_tx_start(struct upgt_softc *sc, struct mbuf *m, struct ieee80211_node *ni, 2206191983Sweongyo struct upgt_data *data) 2207191983Sweongyo{ 2208192468Ssam struct ieee80211vap *vap = ni->ni_vap; 2209191983Sweongyo int error = 0, len; 2210191983Sweongyo struct ieee80211_frame *wh; 2211191983Sweongyo struct ieee80211_key *k; 2212191983Sweongyo struct ifnet *ifp = sc->sc_ifp; 2213191983Sweongyo struct upgt_lmac_mem *mem; 2214191983Sweongyo struct upgt_lmac_tx_desc *txdesc; 2215191983Sweongyo 2216191983Sweongyo UPGT_ASSERT_LOCKED(sc); 2217191983Sweongyo 2218191983Sweongyo upgt_set_led(sc, UPGT_LED_BLINK); 2219191983Sweongyo 2220191983Sweongyo /* 2221191983Sweongyo * Software crypto. 2222191983Sweongyo */ 2223191983Sweongyo wh = mtod(m, struct ieee80211_frame *); 2224262007Skevlo if (wh->i_fc[1] & IEEE80211_FC1_PROTECTED) { 2225191983Sweongyo k = ieee80211_crypto_encap(ni, m); 2226191983Sweongyo if (k == NULL) { 2227191983Sweongyo device_printf(sc->sc_dev, 2228191983Sweongyo "ieee80211_crypto_encap returns NULL.\n"); 2229191983Sweongyo error = EIO; 2230191983Sweongyo goto done; 2231191983Sweongyo } 2232191983Sweongyo 2233191983Sweongyo /* in case packet header moved, reset pointer */ 2234191983Sweongyo wh = mtod(m, struct ieee80211_frame *); 2235191983Sweongyo } 2236191983Sweongyo 2237191983Sweongyo /* Transmit the URB containing the TX data. */ 2238227461Shselasky memset(data->buf, 0, MCLBYTES); 2239191983Sweongyo mem = (struct upgt_lmac_mem *)data->buf; 2240191983Sweongyo mem->addr = htole32(data->addr); 2241191983Sweongyo txdesc = (struct upgt_lmac_tx_desc *)(mem + 1); 2242191983Sweongyo 2243191983Sweongyo if ((wh->i_fc[0] & IEEE80211_FC0_TYPE_MASK) == 2244191983Sweongyo IEEE80211_FC0_TYPE_MGT) { 2245191983Sweongyo /* mgmt frames */ 2246191983Sweongyo txdesc->header1.flags = UPGT_H1_FLAGS_TX_MGMT; 2247191983Sweongyo /* always send mgmt frames at lowest rate (DS1) */ 2248191983Sweongyo memset(txdesc->rates, 0x10, sizeof(txdesc->rates)); 2249191983Sweongyo } else { 2250191983Sweongyo /* data frames */ 2251191983Sweongyo txdesc->header1.flags = UPGT_H1_FLAGS_TX_DATA; 2252227461Shselasky memcpy(txdesc->rates, sc->sc_cur_rateset, sizeof(txdesc->rates)); 2253191983Sweongyo } 2254191983Sweongyo txdesc->header1.type = UPGT_H1_TYPE_TX_DATA; 2255191983Sweongyo txdesc->header1.len = htole16(m->m_pkthdr.len); 2256191983Sweongyo txdesc->header2.reqid = htole32(data->addr); 2257191983Sweongyo txdesc->header2.type = htole16(UPGT_H2_TYPE_TX_ACK_YES); 2258191983Sweongyo txdesc->header2.flags = htole16(UPGT_H2_FLAGS_TX_ACK_YES); 2259191983Sweongyo txdesc->type = htole32(UPGT_TX_DESC_TYPE_DATA); 2260191983Sweongyo txdesc->pad3[0] = UPGT_TX_DESC_PAD3_SIZE; 2261191983Sweongyo 2262192468Ssam if (ieee80211_radiotap_active_vap(vap)) { 2263191983Sweongyo struct upgt_tx_radiotap_header *tap = &sc->sc_txtap; 2264191983Sweongyo 2265191983Sweongyo tap->wt_flags = 0; 2266191983Sweongyo tap->wt_rate = 0; /* XXX where to get from? */ 2267191983Sweongyo 2268192468Ssam ieee80211_radiotap_tx(vap, m); 2269191983Sweongyo } 2270191983Sweongyo 2271191983Sweongyo /* copy frame below our TX descriptor header */ 2272191983Sweongyo m_copydata(m, 0, m->m_pkthdr.len, 2273191983Sweongyo data->buf + (sizeof(*mem) + sizeof(*txdesc))); 2274191983Sweongyo /* calculate frame size */ 2275191983Sweongyo len = sizeof(*mem) + sizeof(*txdesc) + m->m_pkthdr.len; 2276191983Sweongyo /* we need to align the frame to a 4 byte boundary */ 2277191983Sweongyo len = (len + 3) & ~3; 2278191983Sweongyo /* calculate frame checksum */ 2279191983Sweongyo mem->chksum = upgt_chksum_le((uint32_t *)txdesc, len - sizeof(*mem)); 2280191983Sweongyo data->ni = ni; 2281191983Sweongyo data->m = m; 2282191983Sweongyo data->buflen = len; 2283191983Sweongyo 2284191983Sweongyo DPRINTF(sc, UPGT_DEBUG_XMIT, "%s: TX start data sending (%d bytes)\n", 2285191983Sweongyo __func__, len); 2286191983Sweongyo KASSERT(len <= MCLBYTES, ("mbuf is small for saving data")); 2287191983Sweongyo 2288191983Sweongyo upgt_bulk_tx(sc, data); 2289191983Sweongyodone: 2290191983Sweongyo /* 2291191983Sweongyo * If we don't regulary read the device statistics, the RX queue 2292191983Sweongyo * will stall. It's strange, but it works, so we keep reading 2293191983Sweongyo * the statistics here. *shrug* 2294191983Sweongyo */ 2295191983Sweongyo if (!(ifp->if_opackets % UPGT_TX_STAT_INTERVAL)) 2296191983Sweongyo upgt_get_stats(sc); 2297191983Sweongyo 2298191983Sweongyo return (error); 2299191983Sweongyo} 2300191983Sweongyo 2301191983Sweongyostatic void 2302194677Sthompsaupgt_bulk_rx_callback(struct usb_xfer *xfer, usb_error_t error) 2303191983Sweongyo{ 2304194677Sthompsa struct upgt_softc *sc = usbd_xfer_softc(xfer); 2305191983Sweongyo struct ifnet *ifp = sc->sc_ifp; 2306191983Sweongyo struct ieee80211com *ic = ifp->if_l2com; 2307191983Sweongyo struct ieee80211_frame *wh; 2308191983Sweongyo struct ieee80211_node *ni; 2309191983Sweongyo struct mbuf *m = NULL; 2310191983Sweongyo struct upgt_data *data; 2311191983Sweongyo int8_t nf; 2312191983Sweongyo int rssi = -1; 2313191983Sweongyo 2314191983Sweongyo UPGT_ASSERT_LOCKED(sc); 2315191983Sweongyo 2316191983Sweongyo switch (USB_GET_STATE(xfer)) { 2317191983Sweongyo case USB_ST_TRANSFERRED: 2318191983Sweongyo data = STAILQ_FIRST(&sc->sc_rx_active); 2319191983Sweongyo if (data == NULL) 2320191983Sweongyo goto setup; 2321191983Sweongyo STAILQ_REMOVE_HEAD(&sc->sc_rx_active, next); 2322191983Sweongyo m = upgt_rxeof(xfer, data, &rssi); 2323191983Sweongyo STAILQ_INSERT_TAIL(&sc->sc_rx_inactive, data, next); 2324191983Sweongyo /* FALLTHROUGH */ 2325191983Sweongyo case USB_ST_SETUP: 2326191983Sweongyosetup: 2327191983Sweongyo data = STAILQ_FIRST(&sc->sc_rx_inactive); 2328191983Sweongyo if (data == NULL) 2329191983Sweongyo return; 2330191983Sweongyo STAILQ_REMOVE_HEAD(&sc->sc_rx_inactive, next); 2331191983Sweongyo STAILQ_INSERT_TAIL(&sc->sc_rx_active, data, next); 2332244503Shselasky usbd_xfer_set_frame_data(xfer, 0, data->buf, MCLBYTES); 2333194228Sthompsa usbd_transfer_submit(xfer); 2334191983Sweongyo 2335191983Sweongyo /* 2336191983Sweongyo * To avoid LOR we should unlock our private mutex here to call 2337191983Sweongyo * ieee80211_input() because here is at the end of a USB 2338191983Sweongyo * callback and safe to unlock. 2339191983Sweongyo */ 2340191983Sweongyo UPGT_UNLOCK(sc); 2341191983Sweongyo if (m != NULL) { 2342191983Sweongyo wh = mtod(m, struct ieee80211_frame *); 2343191983Sweongyo ni = ieee80211_find_rxnode(ic, 2344191983Sweongyo (struct ieee80211_frame_min *)wh); 2345191983Sweongyo nf = -95; /* XXX */ 2346191983Sweongyo if (ni != NULL) { 2347192468Ssam (void) ieee80211_input(ni, m, rssi, nf); 2348191983Sweongyo /* node is no longer needed */ 2349191983Sweongyo ieee80211_free_node(ni); 2350191983Sweongyo } else 2351192468Ssam (void) ieee80211_input_all(ic, m, rssi, nf); 2352191983Sweongyo m = NULL; 2353191983Sweongyo } 2354198099Sweongyo if ((ifp->if_drv_flags & IFF_DRV_OACTIVE) == 0 && 2355198099Sweongyo !IFQ_IS_EMPTY(&ifp->if_snd)) 2356198099Sweongyo upgt_start(ifp); 2357191983Sweongyo UPGT_LOCK(sc); 2358191983Sweongyo break; 2359191983Sweongyo default: 2360191983Sweongyo /* needs it to the inactive queue due to a error. */ 2361191983Sweongyo data = STAILQ_FIRST(&sc->sc_rx_active); 2362191983Sweongyo if (data != NULL) { 2363191983Sweongyo STAILQ_REMOVE_HEAD(&sc->sc_rx_active, next); 2364191983Sweongyo STAILQ_INSERT_TAIL(&sc->sc_rx_inactive, data, next); 2365191983Sweongyo } 2366194677Sthompsa if (error != USB_ERR_CANCELLED) { 2367194677Sthompsa usbd_xfer_set_stall(xfer); 2368191983Sweongyo ifp->if_ierrors++; 2369191983Sweongyo goto setup; 2370191983Sweongyo } 2371191983Sweongyo break; 2372191983Sweongyo } 2373191983Sweongyo} 2374191983Sweongyo 2375191983Sweongyostatic void 2376194677Sthompsaupgt_bulk_tx_callback(struct usb_xfer *xfer, usb_error_t error) 2377191983Sweongyo{ 2378194677Sthompsa struct upgt_softc *sc = usbd_xfer_softc(xfer); 2379191983Sweongyo struct ifnet *ifp = sc->sc_ifp; 2380191983Sweongyo struct upgt_data *data; 2381191983Sweongyo 2382191983Sweongyo UPGT_ASSERT_LOCKED(sc); 2383191983Sweongyo switch (USB_GET_STATE(xfer)) { 2384191983Sweongyo case USB_ST_TRANSFERRED: 2385191983Sweongyo data = STAILQ_FIRST(&sc->sc_tx_active); 2386191983Sweongyo if (data == NULL) 2387191983Sweongyo goto setup; 2388191983Sweongyo STAILQ_REMOVE_HEAD(&sc->sc_tx_active, next); 2389191983Sweongyo UPGT_STAT_DEC(sc, st_tx_active); 2390191983Sweongyo upgt_txeof(xfer, data); 2391191983Sweongyo STAILQ_INSERT_TAIL(&sc->sc_tx_inactive, data, next); 2392191983Sweongyo UPGT_STAT_INC(sc, st_tx_inactive); 2393191983Sweongyo /* FALLTHROUGH */ 2394191983Sweongyo case USB_ST_SETUP: 2395191983Sweongyosetup: 2396191983Sweongyo data = STAILQ_FIRST(&sc->sc_tx_pending); 2397191983Sweongyo if (data == NULL) { 2398191983Sweongyo DPRINTF(sc, UPGT_DEBUG_XMIT, "%s: empty pending queue\n", 2399191983Sweongyo __func__); 2400191983Sweongyo return; 2401191983Sweongyo } 2402191983Sweongyo STAILQ_REMOVE_HEAD(&sc->sc_tx_pending, next); 2403191983Sweongyo UPGT_STAT_DEC(sc, st_tx_pending); 2404191983Sweongyo STAILQ_INSERT_TAIL(&sc->sc_tx_active, data, next); 2405191983Sweongyo UPGT_STAT_INC(sc, st_tx_active); 2406191983Sweongyo 2407194677Sthompsa usbd_xfer_set_frame_data(xfer, 0, data->buf, data->buflen); 2408194228Sthompsa usbd_transfer_submit(xfer); 2409191983Sweongyo UPGT_UNLOCK(sc); 2410191983Sweongyo upgt_start(ifp); 2411191983Sweongyo UPGT_LOCK(sc); 2412191983Sweongyo break; 2413191983Sweongyo default: 2414191983Sweongyo data = STAILQ_FIRST(&sc->sc_tx_active); 2415191983Sweongyo if (data == NULL) 2416191983Sweongyo goto setup; 2417191983Sweongyo if (data->ni != NULL) { 2418191983Sweongyo ieee80211_free_node(data->ni); 2419191983Sweongyo data->ni = NULL; 2420191983Sweongyo ifp->if_oerrors++; 2421191983Sweongyo } 2422194677Sthompsa if (error != USB_ERR_CANCELLED) { 2423194677Sthompsa usbd_xfer_set_stall(xfer); 2424191983Sweongyo goto setup; 2425191983Sweongyo } 2426191983Sweongyo break; 2427191983Sweongyo } 2428191983Sweongyo} 2429191983Sweongyo 2430191983Sweongyostatic device_method_t upgt_methods[] = { 2431191983Sweongyo /* Device interface */ 2432191983Sweongyo DEVMETHOD(device_probe, upgt_match), 2433191983Sweongyo DEVMETHOD(device_attach, upgt_attach), 2434191983Sweongyo DEVMETHOD(device_detach, upgt_detach), 2435244503Shselasky DEVMETHOD_END 2436191983Sweongyo}; 2437191983Sweongyo 2438191983Sweongyostatic driver_t upgt_driver = { 2439233774Shselasky .name = "upgt", 2440233774Shselasky .methods = upgt_methods, 2441233774Shselasky .size = sizeof(struct upgt_softc) 2442191983Sweongyo}; 2443191983Sweongyo 2444191983Sweongyostatic devclass_t upgt_devclass; 2445191983Sweongyo 2446191983SweongyoDRIVER_MODULE(if_upgt, uhub, upgt_driver, upgt_devclass, NULL, 0); 2447191983SweongyoMODULE_VERSION(if_upgt, 1); 2448191983SweongyoMODULE_DEPEND(if_upgt, usb, 1, 1, 1); 2449191983SweongyoMODULE_DEPEND(if_upgt, wlan, 1, 1, 1); 2450191983SweongyoMODULE_DEPEND(if_upgt, upgtfw_fw, 1, 1, 1); 2451