1191983Sweongyo/* $OpenBSD: if_upgt.c,v 1.35 2008/04/16 18:32:15 damien Exp $ */ 2191983Sweongyo/* $FreeBSD$ */ 3191983Sweongyo 4191983Sweongyo/* 5191983Sweongyo * Copyright (c) 2007 Marcus Glocker <mglocker@openbsd.org> 6191983Sweongyo * 7191983Sweongyo * Permission to use, copy, modify, and distribute this software for any 8191983Sweongyo * purpose with or without fee is hereby granted, provided that the above 9191983Sweongyo * copyright notice and this permission notice appear in all copies. 10191983Sweongyo * 11191983Sweongyo * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 12191983Sweongyo * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 13191983Sweongyo * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 14191983Sweongyo * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 15191983Sweongyo * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 16191983Sweongyo * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 17191983Sweongyo * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 18191983Sweongyo */ 19191983Sweongyo 20191983Sweongyo#include <sys/param.h> 21191983Sweongyo#include <sys/systm.h> 22191983Sweongyo#include <sys/kernel.h> 23191983Sweongyo#include <sys/endian.h> 24191983Sweongyo#include <sys/firmware.h> 25191983Sweongyo#include <sys/linker.h> 26191983Sweongyo#include <sys/mbuf.h> 27191983Sweongyo#include <sys/malloc.h> 28191983Sweongyo#include <sys/module.h> 29191983Sweongyo#include <sys/socket.h> 30191983Sweongyo#include <sys/sockio.h> 31191983Sweongyo#include <sys/sysctl.h> 32191983Sweongyo 33191983Sweongyo#include <net/if.h> 34191983Sweongyo#include <net/if_arp.h> 35191983Sweongyo#include <net/ethernet.h> 36191983Sweongyo#include <net/if_dl.h> 37191983Sweongyo#include <net/if_media.h> 38191983Sweongyo#include <net/if_types.h> 39191983Sweongyo 40191983Sweongyo#include <sys/bus.h> 41191983Sweongyo#include <machine/bus.h> 42191983Sweongyo 43191983Sweongyo#include <net80211/ieee80211_var.h> 44191983Sweongyo#include <net80211/ieee80211_phy.h> 45191983Sweongyo#include <net80211/ieee80211_radiotap.h> 46191983Sweongyo#include <net80211/ieee80211_regdomain.h> 47191983Sweongyo 48191983Sweongyo#include <net/bpf.h> 49191983Sweongyo 50191983Sweongyo#include <dev/usb/usb.h> 51194677Sthompsa#include <dev/usb/usbdi.h> 52191983Sweongyo#include "usbdevs.h" 53191983Sweongyo 54191983Sweongyo#include <dev/usb/wlan/if_upgtvar.h> 55191983Sweongyo 56191983Sweongyo/* 57191983Sweongyo * Driver for the USB PrismGT devices. 58191983Sweongyo * 59191983Sweongyo * For now just USB 2.0 devices with the GW3887 chipset are supported. 60191983Sweongyo * The driver has been written based on the firmware version 2.13.1.0_LM87. 61191983Sweongyo * 62191983Sweongyo * TODO's: 63191983Sweongyo * - MONITOR mode test. 64191983Sweongyo * - Add HOSTAP mode. 65191983Sweongyo * - Add IBSS mode. 66191983Sweongyo * - Support the USB 1.0 devices (NET2280, ISL3880, ISL3886 chipsets). 67191983Sweongyo * 68191983Sweongyo * Parts of this driver has been influenced by reading the p54u driver 69191983Sweongyo * written by Jean-Baptiste Note <jean-baptiste.note@m4x.org> and 70191983Sweongyo * Sebastien Bourdeauducq <lekernel@prism54.org>. 71191983Sweongyo */ 72191983Sweongyo 73248085Smariusstatic SYSCTL_NODE(_hw, OID_AUTO, upgt, CTLFLAG_RD, 0, 74191983Sweongyo "USB PrismGT GW3887 driver parameters"); 75191983Sweongyo 76191983Sweongyo#ifdef UPGT_DEBUG 77191983Sweongyoint upgt_debug = 0; 78242775ShselaskySYSCTL_INT(_hw_upgt, OID_AUTO, debug, CTLFLAG_RW | CTLFLAG_TUN, &upgt_debug, 79191983Sweongyo 0, "control debugging printfs"); 80191983SweongyoTUNABLE_INT("hw.upgt.debug", &upgt_debug); 81191983Sweongyoenum { 82191983Sweongyo UPGT_DEBUG_XMIT = 0x00000001, /* basic xmit operation */ 83191983Sweongyo UPGT_DEBUG_RECV = 0x00000002, /* basic recv operation */ 84191983Sweongyo UPGT_DEBUG_RESET = 0x00000004, /* reset processing */ 85191983Sweongyo UPGT_DEBUG_INTR = 0x00000008, /* INTR */ 86191983Sweongyo UPGT_DEBUG_TX_PROC = 0x00000010, /* tx ISR proc */ 87191983Sweongyo UPGT_DEBUG_RX_PROC = 0x00000020, /* rx ISR proc */ 88191983Sweongyo UPGT_DEBUG_STATE = 0x00000040, /* 802.11 state transitions */ 89191983Sweongyo UPGT_DEBUG_STAT = 0x00000080, /* statistic */ 90191983Sweongyo UPGT_DEBUG_FW = 0x00000100, /* firmware */ 91191983Sweongyo UPGT_DEBUG_ANY = 0xffffffff 92191983Sweongyo}; 93191983Sweongyo#define DPRINTF(sc, m, fmt, ...) do { \ 94191983Sweongyo if (sc->sc_debug & (m)) \ 95191983Sweongyo printf(fmt, __VA_ARGS__); \ 96191983Sweongyo} while (0) 97191983Sweongyo#else 98191983Sweongyo#define DPRINTF(sc, m, fmt, ...) do { \ 99191983Sweongyo (void) sc; \ 100191983Sweongyo} while (0) 101191983Sweongyo#endif 102191983Sweongyo 103191983Sweongyo/* 104191983Sweongyo * Prototypes. 105191983Sweongyo */ 106191983Sweongyostatic device_probe_t upgt_match; 107191983Sweongyostatic device_attach_t upgt_attach; 108191983Sweongyostatic device_detach_t upgt_detach; 109191983Sweongyostatic int upgt_alloc_tx(struct upgt_softc *); 110191983Sweongyostatic int upgt_alloc_rx(struct upgt_softc *); 111191983Sweongyostatic int upgt_device_reset(struct upgt_softc *); 112191983Sweongyostatic void upgt_bulk_tx(struct upgt_softc *, struct upgt_data *); 113191983Sweongyostatic int upgt_fw_verify(struct upgt_softc *); 114191983Sweongyostatic int upgt_mem_init(struct upgt_softc *); 115191983Sweongyostatic int upgt_fw_load(struct upgt_softc *); 116191983Sweongyostatic int upgt_fw_copy(const uint8_t *, char *, int); 117191983Sweongyostatic uint32_t upgt_crc32_le(const void *, size_t); 118191983Sweongyostatic struct mbuf * 119192984Sthompsa upgt_rxeof(struct usb_xfer *, struct upgt_data *, int *); 120191983Sweongyostatic struct mbuf * 121191983Sweongyo upgt_rx(struct upgt_softc *, uint8_t *, int, int *); 122192984Sthompsastatic void upgt_txeof(struct usb_xfer *, struct upgt_data *); 123191983Sweongyostatic int upgt_eeprom_read(struct upgt_softc *); 124191983Sweongyostatic int upgt_eeprom_parse(struct upgt_softc *); 125191983Sweongyostatic void upgt_eeprom_parse_hwrx(struct upgt_softc *, uint8_t *); 126191983Sweongyostatic void upgt_eeprom_parse_freq3(struct upgt_softc *, uint8_t *, int); 127191983Sweongyostatic void upgt_eeprom_parse_freq4(struct upgt_softc *, uint8_t *, int); 128191983Sweongyostatic void upgt_eeprom_parse_freq6(struct upgt_softc *, uint8_t *, int); 129191983Sweongyostatic uint32_t upgt_chksum_le(const uint32_t *, size_t); 130191983Sweongyostatic void upgt_tx_done(struct upgt_softc *, uint8_t *); 131191983Sweongyostatic void upgt_init(void *); 132191983Sweongyostatic void upgt_init_locked(struct upgt_softc *); 133191983Sweongyostatic int upgt_ioctl(struct ifnet *, u_long, caddr_t); 134191983Sweongyostatic void upgt_start(struct ifnet *); 135191983Sweongyostatic int upgt_raw_xmit(struct ieee80211_node *, struct mbuf *, 136191983Sweongyo const struct ieee80211_bpf_params *); 137191983Sweongyostatic void upgt_scan_start(struct ieee80211com *); 138191983Sweongyostatic void upgt_scan_end(struct ieee80211com *); 139191983Sweongyostatic void upgt_set_channel(struct ieee80211com *); 140191983Sweongyostatic struct ieee80211vap *upgt_vap_create(struct ieee80211com *, 141234753Sdim const char [IFNAMSIZ], int, enum ieee80211_opmode, int, 142234753Sdim const uint8_t [IEEE80211_ADDR_LEN], 143234753Sdim const uint8_t [IEEE80211_ADDR_LEN]); 144191983Sweongyostatic void upgt_vap_delete(struct ieee80211vap *); 145191983Sweongyostatic void upgt_update_mcast(struct ifnet *); 146191983Sweongyostatic uint8_t upgt_rx_rate(struct upgt_softc *, const int); 147191983Sweongyostatic void upgt_set_multi(void *); 148191983Sweongyostatic void upgt_stop(struct upgt_softc *); 149191983Sweongyostatic void upgt_setup_rates(struct ieee80211vap *, struct ieee80211com *); 150191983Sweongyostatic int upgt_set_macfilter(struct upgt_softc *, uint8_t); 151191983Sweongyostatic int upgt_newstate(struct ieee80211vap *, enum ieee80211_state, int); 152191983Sweongyostatic void upgt_set_chan(struct upgt_softc *, struct ieee80211_channel *); 153191983Sweongyostatic void upgt_set_led(struct upgt_softc *, int); 154191983Sweongyostatic void upgt_set_led_blink(void *); 155191983Sweongyostatic void upgt_get_stats(struct upgt_softc *); 156191983Sweongyostatic void upgt_mem_free(struct upgt_softc *, uint32_t); 157191983Sweongyostatic uint32_t upgt_mem_alloc(struct upgt_softc *); 158191983Sweongyostatic void upgt_free_tx(struct upgt_softc *); 159191983Sweongyostatic void upgt_free_rx(struct upgt_softc *); 160191983Sweongyostatic void upgt_watchdog(void *); 161191983Sweongyostatic void upgt_abort_xfers(struct upgt_softc *); 162191983Sweongyostatic void upgt_abort_xfers_locked(struct upgt_softc *); 163191983Sweongyostatic void upgt_sysctl_node(struct upgt_softc *); 164191983Sweongyostatic struct upgt_data * 165191983Sweongyo upgt_getbuf(struct upgt_softc *); 166191983Sweongyostatic struct upgt_data * 167191983Sweongyo upgt_gettxbuf(struct upgt_softc *); 168191983Sweongyostatic int upgt_tx_start(struct upgt_softc *, struct mbuf *, 169191983Sweongyo struct ieee80211_node *, struct upgt_data *); 170191983Sweongyo 171191983Sweongyostatic const char *upgt_fwname = "upgt-gw3887"; 172191983Sweongyo 173223486Shselaskystatic const STRUCT_USB_HOST_ID upgt_devs[] = { 174191983Sweongyo#define UPGT_DEV(v,p) { USB_VP(USB_VENDOR_##v, USB_PRODUCT_##v##_##p) } 175191983Sweongyo /* version 2 devices */ 176191983Sweongyo UPGT_DEV(ACCTON, PRISM_GT), 177191983Sweongyo UPGT_DEV(BELKIN, F5D7050), 178191983Sweongyo UPGT_DEV(CISCOLINKSYS, WUSB54AG), 179191983Sweongyo UPGT_DEV(CONCEPTRONIC, PRISM_GT), 180191983Sweongyo UPGT_DEV(DELL, PRISM_GT_1), 181191983Sweongyo UPGT_DEV(DELL, PRISM_GT_2), 182191983Sweongyo UPGT_DEV(FSC, E5400), 183191983Sweongyo UPGT_DEV(GLOBESPAN, PRISM_GT_1), 184191983Sweongyo UPGT_DEV(GLOBESPAN, PRISM_GT_2), 185213804Shselasky UPGT_DEV(NETGEAR, WG111V2_2), 186191983Sweongyo UPGT_DEV(INTERSIL, PRISM_GT), 187191983Sweongyo UPGT_DEV(SMC, 2862WG), 188209447Sthompsa UPGT_DEV(USR, USR5422), 189191983Sweongyo UPGT_DEV(WISTRONNEWEB, UR045G), 190191983Sweongyo UPGT_DEV(XYRATEX, PRISM_GT_1), 191191983Sweongyo UPGT_DEV(XYRATEX, PRISM_GT_2), 192191983Sweongyo UPGT_DEV(ZCOM, XG703A), 193191983Sweongyo UPGT_DEV(ZCOM, XM142) 194191983Sweongyo}; 195191983Sweongyo 196193045Sthompsastatic usb_callback_t upgt_bulk_rx_callback; 197193045Sthompsastatic usb_callback_t upgt_bulk_tx_callback; 198191983Sweongyo 199192984Sthompsastatic const struct usb_config upgt_config[UPGT_N_XFERS] = { 200191983Sweongyo [UPGT_BULK_TX] = { 201191983Sweongyo .type = UE_BULK, 202191983Sweongyo .endpoint = UE_ADDR_ANY, 203191983Sweongyo .direction = UE_DIR_OUT, 204259454Shselasky .bufsize = MCLBYTES * UPGT_TX_MAXCOUNT, 205191983Sweongyo .flags = { 206191983Sweongyo .force_short_xfer = 1, 207191983Sweongyo .pipe_bof = 1 208191983Sweongyo }, 209191983Sweongyo .callback = upgt_bulk_tx_callback, 210191983Sweongyo .timeout = UPGT_USB_TIMEOUT, /* ms */ 211191983Sweongyo }, 212191983Sweongyo [UPGT_BULK_RX] = { 213191983Sweongyo .type = UE_BULK, 214191983Sweongyo .endpoint = UE_ADDR_ANY, 215191983Sweongyo .direction = UE_DIR_IN, 216259454Shselasky .bufsize = MCLBYTES * UPGT_RX_MAXCOUNT, 217191983Sweongyo .flags = { 218191983Sweongyo .pipe_bof = 1, 219191983Sweongyo .short_xfer_ok = 1 220191983Sweongyo }, 221191983Sweongyo .callback = upgt_bulk_rx_callback, 222191983Sweongyo }, 223191983Sweongyo}; 224191983Sweongyo 225191983Sweongyostatic int 226191983Sweongyoupgt_match(device_t dev) 227191983Sweongyo{ 228192984Sthompsa struct usb_attach_arg *uaa = device_get_ivars(dev); 229191983Sweongyo 230192499Sthompsa if (uaa->usb_mode != USB_MODE_HOST) 231191983Sweongyo return (ENXIO); 232191983Sweongyo if (uaa->info.bConfigIndex != UPGT_CONFIG_INDEX) 233191983Sweongyo return (ENXIO); 234191983Sweongyo if (uaa->info.bIfaceIndex != UPGT_IFACE_INDEX) 235191983Sweongyo return (ENXIO); 236191983Sweongyo 237223486Shselasky return (usbd_lookup_id_by_uaa(upgt_devs, sizeof(upgt_devs), uaa)); 238191983Sweongyo} 239191983Sweongyo 240191983Sweongyostatic int 241191983Sweongyoupgt_attach(device_t dev) 242191983Sweongyo{ 243191983Sweongyo int error; 244191983Sweongyo struct ieee80211com *ic; 245191983Sweongyo struct ifnet *ifp; 246191983Sweongyo struct upgt_softc *sc = device_get_softc(dev); 247192984Sthompsa struct usb_attach_arg *uaa = device_get_ivars(dev); 248191983Sweongyo uint8_t bands, iface_index = UPGT_IFACE_INDEX; 249191983Sweongyo 250191983Sweongyo sc->sc_dev = dev; 251191983Sweongyo sc->sc_udev = uaa->device; 252191983Sweongyo#ifdef UPGT_DEBUG 253191983Sweongyo sc->sc_debug = upgt_debug; 254191983Sweongyo#endif 255194228Sthompsa device_set_usb_desc(dev); 256191983Sweongyo 257191983Sweongyo mtx_init(&sc->sc_mtx, device_get_nameunit(sc->sc_dev), MTX_NETWORK_LOCK, 258191983Sweongyo MTX_DEF); 259191983Sweongyo callout_init(&sc->sc_led_ch, 0); 260191983Sweongyo callout_init(&sc->sc_watchdog_ch, 0); 261191983Sweongyo 262194228Sthompsa error = usbd_transfer_setup(uaa->device, &iface_index, sc->sc_xfer, 263191983Sweongyo upgt_config, UPGT_N_XFERS, sc, &sc->sc_mtx); 264191983Sweongyo if (error) { 265191983Sweongyo device_printf(dev, "could not allocate USB transfers, " 266194228Sthompsa "err=%s\n", usbd_errstr(error)); 267259454Shselasky goto fail1; 268191983Sweongyo } 269191983Sweongyo 270259454Shselasky sc->sc_rx_dma_buf = usbd_xfer_get_frame_buffer( 271259454Shselasky sc->sc_xfer[UPGT_BULK_RX], 0); 272259454Shselasky sc->sc_tx_dma_buf = usbd_xfer_get_frame_buffer( 273259454Shselasky sc->sc_xfer[UPGT_BULK_TX], 0); 274259454Shselasky 275259454Shselasky /* Setup TX and RX buffers */ 276259454Shselasky error = upgt_alloc_tx(sc); 277259454Shselasky if (error) 278259454Shselasky goto fail2; 279259454Shselasky error = upgt_alloc_rx(sc); 280259454Shselasky if (error) 281259454Shselasky goto fail3; 282259454Shselasky 283191983Sweongyo ifp = sc->sc_ifp = if_alloc(IFT_IEEE80211); 284191983Sweongyo if (ifp == NULL) { 285191983Sweongyo device_printf(dev, "can not if_alloc()\n"); 286191983Sweongyo goto fail4; 287191983Sweongyo } 288191983Sweongyo 289191983Sweongyo /* Initialize the device. */ 290191983Sweongyo error = upgt_device_reset(sc); 291191983Sweongyo if (error) 292191983Sweongyo goto fail5; 293191983Sweongyo /* Verify the firmware. */ 294191983Sweongyo error = upgt_fw_verify(sc); 295191983Sweongyo if (error) 296191983Sweongyo goto fail5; 297191983Sweongyo /* Calculate device memory space. */ 298191983Sweongyo if (sc->sc_memaddr_frame_start == 0 || sc->sc_memaddr_frame_end == 0) { 299191983Sweongyo device_printf(dev, 300199816Sthompsa "could not find memory space addresses on FW\n"); 301191983Sweongyo error = EIO; 302191983Sweongyo goto fail5; 303191983Sweongyo } 304191983Sweongyo sc->sc_memaddr_frame_end -= UPGT_MEMSIZE_RX + 1; 305191983Sweongyo sc->sc_memaddr_rx_start = sc->sc_memaddr_frame_end + 1; 306191983Sweongyo 307191983Sweongyo DPRINTF(sc, UPGT_DEBUG_FW, "memory address frame start=0x%08x\n", 308191983Sweongyo sc->sc_memaddr_frame_start); 309191983Sweongyo DPRINTF(sc, UPGT_DEBUG_FW, "memory address frame end=0x%08x\n", 310191983Sweongyo sc->sc_memaddr_frame_end); 311191983Sweongyo DPRINTF(sc, UPGT_DEBUG_FW, "memory address rx start=0x%08x\n", 312191983Sweongyo sc->sc_memaddr_rx_start); 313191983Sweongyo 314191983Sweongyo upgt_mem_init(sc); 315191983Sweongyo 316191983Sweongyo /* Load the firmware. */ 317191983Sweongyo error = upgt_fw_load(sc); 318191983Sweongyo if (error) 319191983Sweongyo goto fail5; 320191983Sweongyo 321191983Sweongyo /* Read the whole EEPROM content and parse it. */ 322191983Sweongyo error = upgt_eeprom_read(sc); 323191983Sweongyo if (error) 324191983Sweongyo goto fail5; 325191983Sweongyo error = upgt_eeprom_parse(sc); 326191983Sweongyo if (error) 327191983Sweongyo goto fail5; 328191983Sweongyo 329191983Sweongyo /* all works related with the device have done here. */ 330191983Sweongyo upgt_abort_xfers(sc); 331191983Sweongyo 332191983Sweongyo /* Setup the 802.11 device. */ 333191983Sweongyo ifp->if_softc = sc; 334191983Sweongyo if_initname(ifp, "upgt", device_get_unit(sc->sc_dev)); 335191983Sweongyo ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST; 336191983Sweongyo ifp->if_init = upgt_init; 337191983Sweongyo ifp->if_ioctl = upgt_ioctl; 338191983Sweongyo ifp->if_start = upgt_start; 339207554Ssobomax IFQ_SET_MAXLEN(&ifp->if_snd, ifqmaxlen); 340191983Sweongyo IFQ_SET_READY(&ifp->if_snd); 341191983Sweongyo 342191983Sweongyo ic = ifp->if_l2com; 343191983Sweongyo ic->ic_ifp = ifp; 344191983Sweongyo ic->ic_phytype = IEEE80211_T_OFDM; /* not only, but not used */ 345191983Sweongyo ic->ic_opmode = IEEE80211_M_STA; 346191983Sweongyo /* set device capabilities */ 347191983Sweongyo ic->ic_caps = 348191983Sweongyo IEEE80211_C_STA /* station mode */ 349191983Sweongyo | IEEE80211_C_MONITOR /* monitor mode */ 350191983Sweongyo | IEEE80211_C_SHPREAMBLE /* short preamble supported */ 351191983Sweongyo | IEEE80211_C_SHSLOT /* short slot time supported */ 352191983Sweongyo | IEEE80211_C_BGSCAN /* capable of bg scanning */ 353191983Sweongyo | IEEE80211_C_WPA /* 802.11i */ 354191983Sweongyo ; 355191983Sweongyo 356191983Sweongyo bands = 0; 357191983Sweongyo setbit(&bands, IEEE80211_MODE_11B); 358191983Sweongyo setbit(&bands, IEEE80211_MODE_11G); 359191983Sweongyo ieee80211_init_channels(ic, NULL, &bands); 360191983Sweongyo 361191983Sweongyo ieee80211_ifattach(ic, sc->sc_myaddr); 362191983Sweongyo ic->ic_raw_xmit = upgt_raw_xmit; 363191983Sweongyo ic->ic_scan_start = upgt_scan_start; 364191983Sweongyo ic->ic_scan_end = upgt_scan_end; 365191983Sweongyo ic->ic_set_channel = upgt_set_channel; 366191983Sweongyo 367191983Sweongyo ic->ic_vap_create = upgt_vap_create; 368191983Sweongyo ic->ic_vap_delete = upgt_vap_delete; 369191983Sweongyo ic->ic_update_mcast = upgt_update_mcast; 370191983Sweongyo 371192468Ssam ieee80211_radiotap_attach(ic, 372192468Ssam &sc->sc_txtap.wt_ihdr, sizeof(sc->sc_txtap), 373192468Ssam UPGT_TX_RADIOTAP_PRESENT, 374192468Ssam &sc->sc_rxtap.wr_ihdr, sizeof(sc->sc_rxtap), 375192468Ssam UPGT_RX_RADIOTAP_PRESENT); 376191983Sweongyo 377191983Sweongyo upgt_sysctl_node(sc); 378191983Sweongyo 379191983Sweongyo if (bootverbose) 380191983Sweongyo ieee80211_announce(ic); 381191983Sweongyo 382191983Sweongyo return (0); 383191983Sweongyo 384191983Sweongyofail5: if_free(ifp); 385259454Shselaskyfail4: upgt_free_rx(sc); 386259454Shselaskyfail3: upgt_free_tx(sc); 387259454Shselaskyfail2: usbd_transfer_unsetup(sc->sc_xfer, UPGT_N_XFERS); 388191983Sweongyofail1: mtx_destroy(&sc->sc_mtx); 389191983Sweongyo 390191983Sweongyo return (error); 391191983Sweongyo} 392191983Sweongyo 393191983Sweongyostatic void 394192984Sthompsaupgt_txeof(struct usb_xfer *xfer, struct upgt_data *data) 395191983Sweongyo{ 396194677Sthompsa struct upgt_softc *sc = usbd_xfer_softc(xfer); 397191983Sweongyo struct ifnet *ifp = sc->sc_ifp; 398191983Sweongyo struct mbuf *m; 399191983Sweongyo 400191983Sweongyo UPGT_ASSERT_LOCKED(sc); 401191983Sweongyo 402191983Sweongyo /* 403191983Sweongyo * Do any tx complete callback. Note this must be done before releasing 404191983Sweongyo * the node reference. 405191983Sweongyo */ 406191983Sweongyo if (data->m) { 407191983Sweongyo m = data->m; 408191983Sweongyo if (m->m_flags & M_TXCB) { 409191983Sweongyo /* XXX status? */ 410191983Sweongyo ieee80211_process_callback(data->ni, m, 0); 411191983Sweongyo } 412191983Sweongyo m_freem(m); 413191983Sweongyo data->m = NULL; 414191983Sweongyo } 415191983Sweongyo if (data->ni) { 416191983Sweongyo ieee80211_free_node(data->ni); 417191983Sweongyo data->ni = NULL; 418191983Sweongyo } 419191983Sweongyo ifp->if_opackets++; 420191983Sweongyo} 421191983Sweongyo 422191983Sweongyostatic void 423191983Sweongyoupgt_get_stats(struct upgt_softc *sc) 424191983Sweongyo{ 425191983Sweongyo struct upgt_data *data_cmd; 426191983Sweongyo struct upgt_lmac_mem *mem; 427191983Sweongyo struct upgt_lmac_stats *stats; 428191983Sweongyo 429191983Sweongyo data_cmd = upgt_getbuf(sc); 430191983Sweongyo if (data_cmd == NULL) { 431191983Sweongyo device_printf(sc->sc_dev, "%s: out of buffer.\n", __func__); 432191983Sweongyo return; 433191983Sweongyo } 434191983Sweongyo 435191983Sweongyo /* 436191983Sweongyo * Transmit the URB containing the CMD data. 437191983Sweongyo */ 438229080Shselasky memset(data_cmd->buf, 0, MCLBYTES); 439191983Sweongyo 440191983Sweongyo mem = (struct upgt_lmac_mem *)data_cmd->buf; 441191983Sweongyo mem->addr = htole32(sc->sc_memaddr_frame_start + 442191983Sweongyo UPGT_MEMSIZE_FRAME_HEAD); 443191983Sweongyo 444191983Sweongyo stats = (struct upgt_lmac_stats *)(mem + 1); 445191983Sweongyo 446191983Sweongyo stats->header1.flags = 0; 447191983Sweongyo stats->header1.type = UPGT_H1_TYPE_CTRL; 448191983Sweongyo stats->header1.len = htole16( 449191983Sweongyo sizeof(struct upgt_lmac_stats) - sizeof(struct upgt_lmac_header)); 450191983Sweongyo 451191983Sweongyo stats->header2.reqid = htole32(sc->sc_memaddr_frame_start); 452191983Sweongyo stats->header2.type = htole16(UPGT_H2_TYPE_STATS); 453191983Sweongyo stats->header2.flags = 0; 454191983Sweongyo 455191983Sweongyo data_cmd->buflen = sizeof(*mem) + sizeof(*stats); 456191983Sweongyo 457191983Sweongyo mem->chksum = upgt_chksum_le((uint32_t *)stats, 458191983Sweongyo data_cmd->buflen - sizeof(*mem)); 459191983Sweongyo 460191983Sweongyo upgt_bulk_tx(sc, data_cmd); 461191983Sweongyo} 462191983Sweongyo 463191983Sweongyostatic int 464191983Sweongyoupgt_ioctl(struct ifnet *ifp, u_long cmd, caddr_t data) 465191983Sweongyo{ 466191983Sweongyo struct upgt_softc *sc = ifp->if_softc; 467191983Sweongyo struct ieee80211com *ic = ifp->if_l2com; 468191983Sweongyo struct ifreq *ifr = (struct ifreq *) data; 469259456Shselasky int error; 470259456Shselasky int startall = 0; 471191983Sweongyo 472259456Shselasky UPGT_LOCK(sc); 473259456Shselasky error = (sc->sc_flags & UPGT_FLAG_DETACHED) ? ENXIO : 0; 474259456Shselasky UPGT_UNLOCK(sc); 475259456Shselasky if (error) 476259456Shselasky return (error); 477259456Shselasky 478191983Sweongyo switch (cmd) { 479191983Sweongyo case SIOCSIFFLAGS: 480191983Sweongyo if (ifp->if_flags & IFF_UP) { 481191983Sweongyo if (ifp->if_drv_flags & IFF_DRV_RUNNING) { 482191983Sweongyo if ((ifp->if_flags ^ sc->sc_if_flags) & 483191983Sweongyo (IFF_ALLMULTI | IFF_PROMISC)) 484191983Sweongyo upgt_set_multi(sc); 485191983Sweongyo } else { 486191983Sweongyo upgt_init(sc); 487191983Sweongyo startall = 1; 488191983Sweongyo } 489191983Sweongyo } else { 490191983Sweongyo if (ifp->if_drv_flags & IFF_DRV_RUNNING) 491191983Sweongyo upgt_stop(sc); 492191983Sweongyo } 493191983Sweongyo sc->sc_if_flags = ifp->if_flags; 494191983Sweongyo if (startall) 495191983Sweongyo ieee80211_start_all(ic); 496191983Sweongyo break; 497191983Sweongyo case SIOCGIFMEDIA: 498191983Sweongyo error = ifmedia_ioctl(ifp, ifr, &ic->ic_media, cmd); 499191983Sweongyo break; 500191983Sweongyo case SIOCGIFADDR: 501191983Sweongyo error = ether_ioctl(ifp, cmd, data); 502191983Sweongyo break; 503191983Sweongyo default: 504191983Sweongyo error = EINVAL; 505191983Sweongyo break; 506191983Sweongyo } 507191983Sweongyo return error; 508191983Sweongyo} 509191983Sweongyo 510191983Sweongyostatic void 511191983Sweongyoupgt_stop_locked(struct upgt_softc *sc) 512191983Sweongyo{ 513191983Sweongyo struct ifnet *ifp = sc->sc_ifp; 514191983Sweongyo 515191983Sweongyo UPGT_ASSERT_LOCKED(sc); 516191983Sweongyo 517191983Sweongyo if (ifp->if_drv_flags & IFF_DRV_RUNNING) 518191983Sweongyo upgt_set_macfilter(sc, IEEE80211_S_INIT); 519191983Sweongyo upgt_abort_xfers_locked(sc); 520191983Sweongyo} 521191983Sweongyo 522191983Sweongyostatic void 523191983Sweongyoupgt_stop(struct upgt_softc *sc) 524191983Sweongyo{ 525191983Sweongyo struct ifnet *ifp = sc->sc_ifp; 526191983Sweongyo 527191983Sweongyo UPGT_LOCK(sc); 528191983Sweongyo upgt_stop_locked(sc); 529191983Sweongyo UPGT_UNLOCK(sc); 530191983Sweongyo 531191983Sweongyo /* device down */ 532191983Sweongyo sc->sc_tx_timer = 0; 533191983Sweongyo ifp->if_drv_flags &= ~(IFF_DRV_RUNNING | IFF_DRV_OACTIVE); 534191983Sweongyo sc->sc_flags &= ~UPGT_FLAG_INITDONE; 535191983Sweongyo} 536191983Sweongyo 537191983Sweongyostatic void 538191983Sweongyoupgt_set_led(struct upgt_softc *sc, int action) 539191983Sweongyo{ 540191983Sweongyo struct upgt_data *data_cmd; 541191983Sweongyo struct upgt_lmac_mem *mem; 542191983Sweongyo struct upgt_lmac_led *led; 543191983Sweongyo 544191983Sweongyo data_cmd = upgt_getbuf(sc); 545191983Sweongyo if (data_cmd == NULL) { 546191983Sweongyo device_printf(sc->sc_dev, "%s: out of buffers.\n", __func__); 547191983Sweongyo return; 548191983Sweongyo } 549191983Sweongyo 550191983Sweongyo /* 551191983Sweongyo * Transmit the URB containing the CMD data. 552191983Sweongyo */ 553229080Shselasky memset(data_cmd->buf, 0, MCLBYTES); 554191983Sweongyo 555191983Sweongyo mem = (struct upgt_lmac_mem *)data_cmd->buf; 556191983Sweongyo mem->addr = htole32(sc->sc_memaddr_frame_start + 557191983Sweongyo UPGT_MEMSIZE_FRAME_HEAD); 558191983Sweongyo 559191983Sweongyo led = (struct upgt_lmac_led *)(mem + 1); 560191983Sweongyo 561191983Sweongyo led->header1.flags = UPGT_H1_FLAGS_TX_NO_CALLBACK; 562191983Sweongyo led->header1.type = UPGT_H1_TYPE_CTRL; 563191983Sweongyo led->header1.len = htole16( 564191983Sweongyo sizeof(struct upgt_lmac_led) - 565191983Sweongyo sizeof(struct upgt_lmac_header)); 566191983Sweongyo 567191983Sweongyo led->header2.reqid = htole32(sc->sc_memaddr_frame_start); 568191983Sweongyo led->header2.type = htole16(UPGT_H2_TYPE_LED); 569191983Sweongyo led->header2.flags = 0; 570191983Sweongyo 571191983Sweongyo switch (action) { 572191983Sweongyo case UPGT_LED_OFF: 573191983Sweongyo led->mode = htole16(UPGT_LED_MODE_SET); 574191983Sweongyo led->action_fix = 0; 575191983Sweongyo led->action_tmp = htole16(UPGT_LED_ACTION_OFF); 576191983Sweongyo led->action_tmp_dur = 0; 577191983Sweongyo break; 578191983Sweongyo case UPGT_LED_ON: 579191983Sweongyo led->mode = htole16(UPGT_LED_MODE_SET); 580191983Sweongyo led->action_fix = 0; 581191983Sweongyo led->action_tmp = htole16(UPGT_LED_ACTION_ON); 582191983Sweongyo led->action_tmp_dur = 0; 583191983Sweongyo break; 584191983Sweongyo case UPGT_LED_BLINK: 585191983Sweongyo if (sc->sc_state != IEEE80211_S_RUN) { 586191983Sweongyo STAILQ_INSERT_TAIL(&sc->sc_tx_inactive, data_cmd, next); 587191983Sweongyo return; 588191983Sweongyo } 589191983Sweongyo if (sc->sc_led_blink) { 590191983Sweongyo /* previous blink was not finished */ 591191983Sweongyo STAILQ_INSERT_TAIL(&sc->sc_tx_inactive, data_cmd, next); 592191983Sweongyo return; 593191983Sweongyo } 594191983Sweongyo led->mode = htole16(UPGT_LED_MODE_SET); 595191983Sweongyo led->action_fix = htole16(UPGT_LED_ACTION_OFF); 596191983Sweongyo led->action_tmp = htole16(UPGT_LED_ACTION_ON); 597191983Sweongyo led->action_tmp_dur = htole16(UPGT_LED_ACTION_TMP_DUR); 598191983Sweongyo /* lock blink */ 599191983Sweongyo sc->sc_led_blink = 1; 600191983Sweongyo callout_reset(&sc->sc_led_ch, hz, upgt_set_led_blink, sc); 601191983Sweongyo break; 602191983Sweongyo default: 603191983Sweongyo STAILQ_INSERT_TAIL(&sc->sc_tx_inactive, data_cmd, next); 604191983Sweongyo return; 605191983Sweongyo } 606191983Sweongyo 607191983Sweongyo data_cmd->buflen = sizeof(*mem) + sizeof(*led); 608191983Sweongyo 609191983Sweongyo mem->chksum = upgt_chksum_le((uint32_t *)led, 610191983Sweongyo data_cmd->buflen - sizeof(*mem)); 611191983Sweongyo 612191983Sweongyo upgt_bulk_tx(sc, data_cmd); 613191983Sweongyo} 614191983Sweongyo 615191983Sweongyostatic void 616191983Sweongyoupgt_set_led_blink(void *arg) 617191983Sweongyo{ 618191983Sweongyo struct upgt_softc *sc = arg; 619191983Sweongyo 620191983Sweongyo /* blink finished, we are ready for a next one */ 621191983Sweongyo sc->sc_led_blink = 0; 622191983Sweongyo} 623191983Sweongyo 624191983Sweongyostatic void 625191983Sweongyoupgt_init(void *priv) 626191983Sweongyo{ 627191983Sweongyo struct upgt_softc *sc = priv; 628191983Sweongyo struct ifnet *ifp = sc->sc_ifp; 629191983Sweongyo struct ieee80211com *ic = ifp->if_l2com; 630191983Sweongyo 631191983Sweongyo UPGT_LOCK(sc); 632191983Sweongyo upgt_init_locked(sc); 633191983Sweongyo UPGT_UNLOCK(sc); 634191983Sweongyo 635191983Sweongyo if (ifp->if_drv_flags & IFF_DRV_RUNNING) 636191983Sweongyo ieee80211_start_all(ic); /* start all vap's */ 637191983Sweongyo} 638191983Sweongyo 639191983Sweongyostatic void 640191983Sweongyoupgt_init_locked(struct upgt_softc *sc) 641191983Sweongyo{ 642191983Sweongyo struct ifnet *ifp = sc->sc_ifp; 643191983Sweongyo 644191983Sweongyo UPGT_ASSERT_LOCKED(sc); 645191983Sweongyo 646191983Sweongyo if (ifp->if_drv_flags & IFF_DRV_RUNNING) 647191983Sweongyo upgt_stop_locked(sc); 648191983Sweongyo 649194228Sthompsa usbd_transfer_start(sc->sc_xfer[UPGT_BULK_RX]); 650191983Sweongyo 651191983Sweongyo (void)upgt_set_macfilter(sc, IEEE80211_S_SCAN); 652191983Sweongyo 653191983Sweongyo ifp->if_drv_flags &= ~IFF_DRV_OACTIVE; 654191983Sweongyo ifp->if_drv_flags |= IFF_DRV_RUNNING; 655191983Sweongyo sc->sc_flags |= UPGT_FLAG_INITDONE; 656191983Sweongyo 657191983Sweongyo callout_reset(&sc->sc_watchdog_ch, hz, upgt_watchdog, sc); 658191983Sweongyo} 659191983Sweongyo 660191983Sweongyostatic int 661191983Sweongyoupgt_set_macfilter(struct upgt_softc *sc, uint8_t state) 662191983Sweongyo{ 663191983Sweongyo struct ifnet *ifp = sc->sc_ifp; 664191983Sweongyo struct ieee80211com *ic = ifp->if_l2com; 665191983Sweongyo struct ieee80211vap *vap = TAILQ_FIRST(&ic->ic_vaps); 666212131Sthompsa struct ieee80211_node *ni; 667191983Sweongyo struct upgt_data *data_cmd; 668191983Sweongyo struct upgt_lmac_mem *mem; 669191983Sweongyo struct upgt_lmac_filter *filter; 670191983Sweongyo uint8_t broadcast[] = { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff }; 671191983Sweongyo 672191983Sweongyo UPGT_ASSERT_LOCKED(sc); 673191983Sweongyo 674191983Sweongyo data_cmd = upgt_getbuf(sc); 675191983Sweongyo if (data_cmd == NULL) { 676191983Sweongyo device_printf(sc->sc_dev, "out of TX buffers.\n"); 677191983Sweongyo return (ENOBUFS); 678191983Sweongyo } 679191983Sweongyo 680191983Sweongyo /* 681191983Sweongyo * Transmit the URB containing the CMD data. 682191983Sweongyo */ 683229080Shselasky memset(data_cmd->buf, 0, MCLBYTES); 684191983Sweongyo 685191983Sweongyo mem = (struct upgt_lmac_mem *)data_cmd->buf; 686191983Sweongyo mem->addr = htole32(sc->sc_memaddr_frame_start + 687191983Sweongyo UPGT_MEMSIZE_FRAME_HEAD); 688191983Sweongyo 689191983Sweongyo filter = (struct upgt_lmac_filter *)(mem + 1); 690191983Sweongyo 691191983Sweongyo filter->header1.flags = UPGT_H1_FLAGS_TX_NO_CALLBACK; 692191983Sweongyo filter->header1.type = UPGT_H1_TYPE_CTRL; 693191983Sweongyo filter->header1.len = htole16( 694191983Sweongyo sizeof(struct upgt_lmac_filter) - 695191983Sweongyo sizeof(struct upgt_lmac_header)); 696191983Sweongyo 697191983Sweongyo filter->header2.reqid = htole32(sc->sc_memaddr_frame_start); 698191983Sweongyo filter->header2.type = htole16(UPGT_H2_TYPE_MACFILTER); 699191983Sweongyo filter->header2.flags = 0; 700191983Sweongyo 701191983Sweongyo switch (state) { 702191983Sweongyo case IEEE80211_S_INIT: 703191983Sweongyo DPRINTF(sc, UPGT_DEBUG_STATE, "%s: set MAC filter to INIT\n", 704191983Sweongyo __func__); 705191983Sweongyo filter->type = htole16(UPGT_FILTER_TYPE_RESET); 706191983Sweongyo break; 707191983Sweongyo case IEEE80211_S_SCAN: 708191983Sweongyo DPRINTF(sc, UPGT_DEBUG_STATE, 709191983Sweongyo "set MAC filter to SCAN (bssid %s)\n", 710191983Sweongyo ether_sprintf(broadcast)); 711191983Sweongyo filter->type = htole16(UPGT_FILTER_TYPE_NONE); 712191983Sweongyo IEEE80211_ADDR_COPY(filter->dst, sc->sc_myaddr); 713191983Sweongyo IEEE80211_ADDR_COPY(filter->src, broadcast); 714191983Sweongyo filter->unknown1 = htole16(UPGT_FILTER_UNKNOWN1); 715191983Sweongyo filter->rxaddr = htole32(sc->sc_memaddr_rx_start); 716191983Sweongyo filter->unknown2 = htole16(UPGT_FILTER_UNKNOWN2); 717191983Sweongyo filter->rxhw = htole32(sc->sc_eeprom_hwrx); 718191983Sweongyo filter->unknown3 = htole16(UPGT_FILTER_UNKNOWN3); 719191983Sweongyo break; 720191983Sweongyo case IEEE80211_S_RUN: 721212127Sthompsa ni = ieee80211_ref_node(vap->iv_bss); 722191983Sweongyo /* XXX monitor mode isn't tested yet. */ 723191983Sweongyo if (vap->iv_opmode == IEEE80211_M_MONITOR) { 724191983Sweongyo filter->type = htole16(UPGT_FILTER_TYPE_MONITOR); 725191983Sweongyo IEEE80211_ADDR_COPY(filter->dst, sc->sc_myaddr); 726191983Sweongyo IEEE80211_ADDR_COPY(filter->src, ni->ni_bssid); 727191983Sweongyo filter->unknown1 = htole16(UPGT_FILTER_MONITOR_UNKNOWN1); 728191983Sweongyo filter->rxaddr = htole32(sc->sc_memaddr_rx_start); 729191983Sweongyo filter->unknown2 = htole16(UPGT_FILTER_MONITOR_UNKNOWN2); 730191983Sweongyo filter->rxhw = htole32(sc->sc_eeprom_hwrx); 731191983Sweongyo filter->unknown3 = htole16(UPGT_FILTER_MONITOR_UNKNOWN3); 732191983Sweongyo } else { 733191983Sweongyo DPRINTF(sc, UPGT_DEBUG_STATE, 734191983Sweongyo "set MAC filter to RUN (bssid %s)\n", 735191983Sweongyo ether_sprintf(ni->ni_bssid)); 736191983Sweongyo filter->type = htole16(UPGT_FILTER_TYPE_STA); 737191983Sweongyo IEEE80211_ADDR_COPY(filter->dst, sc->sc_myaddr); 738191983Sweongyo IEEE80211_ADDR_COPY(filter->src, ni->ni_bssid); 739191983Sweongyo filter->unknown1 = htole16(UPGT_FILTER_UNKNOWN1); 740191983Sweongyo filter->rxaddr = htole32(sc->sc_memaddr_rx_start); 741191983Sweongyo filter->unknown2 = htole16(UPGT_FILTER_UNKNOWN2); 742191983Sweongyo filter->rxhw = htole32(sc->sc_eeprom_hwrx); 743191983Sweongyo filter->unknown3 = htole16(UPGT_FILTER_UNKNOWN3); 744191983Sweongyo } 745212127Sthompsa ieee80211_free_node(ni); 746191983Sweongyo break; 747191983Sweongyo default: 748191983Sweongyo device_printf(sc->sc_dev, 749199816Sthompsa "MAC filter does not know that state\n"); 750191983Sweongyo break; 751191983Sweongyo } 752191983Sweongyo 753191983Sweongyo data_cmd->buflen = sizeof(*mem) + sizeof(*filter); 754191983Sweongyo 755191983Sweongyo mem->chksum = upgt_chksum_le((uint32_t *)filter, 756191983Sweongyo data_cmd->buflen - sizeof(*mem)); 757191983Sweongyo 758191983Sweongyo upgt_bulk_tx(sc, data_cmd); 759191983Sweongyo 760191983Sweongyo return (0); 761191983Sweongyo} 762191983Sweongyo 763191983Sweongyostatic void 764191983Sweongyoupgt_setup_rates(struct ieee80211vap *vap, struct ieee80211com *ic) 765191983Sweongyo{ 766191983Sweongyo struct ifnet *ifp = ic->ic_ifp; 767191983Sweongyo struct upgt_softc *sc = ifp->if_softc; 768191983Sweongyo const struct ieee80211_txparam *tp; 769191983Sweongyo 770191983Sweongyo /* 771191983Sweongyo * 0x01 = OFMD6 0x10 = DS1 772191983Sweongyo * 0x04 = OFDM9 0x11 = DS2 773191983Sweongyo * 0x06 = OFDM12 0x12 = DS5 774191983Sweongyo * 0x07 = OFDM18 0x13 = DS11 775191983Sweongyo * 0x08 = OFDM24 776191983Sweongyo * 0x09 = OFDM36 777191983Sweongyo * 0x0a = OFDM48 778191983Sweongyo * 0x0b = OFDM54 779191983Sweongyo */ 780191983Sweongyo const uint8_t rateset_auto_11b[] = 781191983Sweongyo { 0x13, 0x13, 0x12, 0x11, 0x11, 0x10, 0x10, 0x10 }; 782191983Sweongyo const uint8_t rateset_auto_11g[] = 783191983Sweongyo { 0x0b, 0x0a, 0x09, 0x08, 0x07, 0x06, 0x04, 0x01 }; 784191983Sweongyo const uint8_t rateset_fix_11bg[] = 785191983Sweongyo { 0x10, 0x11, 0x12, 0x13, 0x01, 0x04, 0x06, 0x07, 786191983Sweongyo 0x08, 0x09, 0x0a, 0x0b }; 787191983Sweongyo 788191983Sweongyo tp = &vap->iv_txparms[ieee80211_chan2mode(ic->ic_curchan)]; 789191983Sweongyo 790191983Sweongyo /* XXX */ 791191983Sweongyo if (tp->ucastrate == IEEE80211_FIXED_RATE_NONE) { 792191983Sweongyo /* 793191983Sweongyo * Automatic rate control is done by the device. 794191983Sweongyo * We just pass the rateset from which the device 795191983Sweongyo * will pickup a rate. 796191983Sweongyo */ 797191983Sweongyo if (ic->ic_curmode == IEEE80211_MODE_11B) 798229080Shselasky memcpy(sc->sc_cur_rateset, rateset_auto_11b, 799191983Sweongyo sizeof(sc->sc_cur_rateset)); 800191983Sweongyo if (ic->ic_curmode == IEEE80211_MODE_11G || 801191983Sweongyo ic->ic_curmode == IEEE80211_MODE_AUTO) 802229080Shselasky memcpy(sc->sc_cur_rateset, rateset_auto_11g, 803191983Sweongyo sizeof(sc->sc_cur_rateset)); 804191983Sweongyo } else { 805191983Sweongyo /* set a fixed rate */ 806191983Sweongyo memset(sc->sc_cur_rateset, rateset_fix_11bg[tp->ucastrate], 807191983Sweongyo sizeof(sc->sc_cur_rateset)); 808191983Sweongyo } 809191983Sweongyo} 810191983Sweongyo 811191983Sweongyostatic void 812191983Sweongyoupgt_set_multi(void *arg) 813191983Sweongyo{ 814191983Sweongyo struct upgt_softc *sc = arg; 815191983Sweongyo struct ifnet *ifp = sc->sc_ifp; 816191983Sweongyo 817191983Sweongyo if (!(ifp->if_flags & IFF_UP)) 818191983Sweongyo return; 819191983Sweongyo 820191983Sweongyo /* 821191983Sweongyo * XXX don't know how to set a device. Lack of docs. Just try to set 822191983Sweongyo * IFF_ALLMULTI flag here. 823191983Sweongyo */ 824191983Sweongyo ifp->if_flags |= IFF_ALLMULTI; 825191983Sweongyo} 826191983Sweongyo 827191983Sweongyostatic void 828191983Sweongyoupgt_start(struct ifnet *ifp) 829191983Sweongyo{ 830191983Sweongyo struct upgt_softc *sc = ifp->if_softc; 831191983Sweongyo struct upgt_data *data_tx; 832191983Sweongyo struct ieee80211_node *ni; 833191983Sweongyo struct mbuf *m; 834191983Sweongyo 835191983Sweongyo if ((ifp->if_drv_flags & IFF_DRV_RUNNING) == 0) 836191983Sweongyo return; 837191983Sweongyo 838191983Sweongyo UPGT_LOCK(sc); 839191983Sweongyo for (;;) { 840191983Sweongyo IFQ_DRV_DEQUEUE(&ifp->if_snd, m); 841191983Sweongyo if (m == NULL) 842191983Sweongyo break; 843191983Sweongyo 844191983Sweongyo data_tx = upgt_gettxbuf(sc); 845191983Sweongyo if (data_tx == NULL) { 846191983Sweongyo IFQ_DRV_PREPEND(&ifp->if_snd, m); 847191983Sweongyo break; 848191983Sweongyo } 849191983Sweongyo 850191983Sweongyo ni = (struct ieee80211_node *)m->m_pkthdr.rcvif; 851191983Sweongyo m->m_pkthdr.rcvif = NULL; 852191983Sweongyo 853191983Sweongyo if (upgt_tx_start(sc, m, ni, data_tx) != 0) { 854191983Sweongyo STAILQ_INSERT_HEAD(&sc->sc_tx_inactive, data_tx, next); 855191983Sweongyo UPGT_STAT_INC(sc, st_tx_inactive); 856191983Sweongyo ieee80211_free_node(ni); 857191983Sweongyo ifp->if_oerrors++; 858191983Sweongyo continue; 859191983Sweongyo } 860191983Sweongyo sc->sc_tx_timer = 5; 861191983Sweongyo } 862191983Sweongyo UPGT_UNLOCK(sc); 863191983Sweongyo} 864191983Sweongyo 865191983Sweongyostatic int 866191983Sweongyoupgt_raw_xmit(struct ieee80211_node *ni, struct mbuf *m, 867191983Sweongyo const struct ieee80211_bpf_params *params) 868191983Sweongyo{ 869191983Sweongyo struct ieee80211com *ic = ni->ni_ic; 870191983Sweongyo struct ifnet *ifp = ic->ic_ifp; 871191983Sweongyo struct upgt_softc *sc = ifp->if_softc; 872191983Sweongyo struct upgt_data *data_tx = NULL; 873191983Sweongyo 874191983Sweongyo /* prevent management frames from being sent if we're not ready */ 875191983Sweongyo if (!(ifp->if_drv_flags & IFF_DRV_RUNNING)) { 876191983Sweongyo m_freem(m); 877191983Sweongyo ieee80211_free_node(ni); 878191983Sweongyo return ENETDOWN; 879191983Sweongyo } 880191983Sweongyo 881191983Sweongyo UPGT_LOCK(sc); 882191983Sweongyo data_tx = upgt_gettxbuf(sc); 883191983Sweongyo if (data_tx == NULL) { 884191983Sweongyo ieee80211_free_node(ni); 885191983Sweongyo m_freem(m); 886191983Sweongyo UPGT_UNLOCK(sc); 887191983Sweongyo return (ENOBUFS); 888191983Sweongyo } 889191983Sweongyo 890191983Sweongyo if (upgt_tx_start(sc, m, ni, data_tx) != 0) { 891191983Sweongyo STAILQ_INSERT_HEAD(&sc->sc_tx_inactive, data_tx, next); 892191983Sweongyo UPGT_STAT_INC(sc, st_tx_inactive); 893191983Sweongyo ieee80211_free_node(ni); 894191983Sweongyo ifp->if_oerrors++; 895191983Sweongyo UPGT_UNLOCK(sc); 896191983Sweongyo return (EIO); 897191983Sweongyo } 898191983Sweongyo UPGT_UNLOCK(sc); 899191983Sweongyo 900191983Sweongyo sc->sc_tx_timer = 5; 901191983Sweongyo return (0); 902191983Sweongyo} 903191983Sweongyo 904191983Sweongyostatic void 905191983Sweongyoupgt_watchdog(void *arg) 906191983Sweongyo{ 907191983Sweongyo struct upgt_softc *sc = arg; 908191983Sweongyo struct ifnet *ifp = sc->sc_ifp; 909191983Sweongyo 910191983Sweongyo if (sc->sc_tx_timer > 0) { 911191983Sweongyo if (--sc->sc_tx_timer == 0) { 912191983Sweongyo device_printf(sc->sc_dev, "watchdog timeout\n"); 913191983Sweongyo /* upgt_init(ifp); XXX needs a process context ? */ 914191983Sweongyo ifp->if_oerrors++; 915191983Sweongyo return; 916191983Sweongyo } 917191983Sweongyo callout_reset(&sc->sc_watchdog_ch, hz, upgt_watchdog, sc); 918191983Sweongyo } 919191983Sweongyo} 920191983Sweongyo 921191983Sweongyostatic uint32_t 922191983Sweongyoupgt_mem_alloc(struct upgt_softc *sc) 923191983Sweongyo{ 924191983Sweongyo int i; 925191983Sweongyo 926191983Sweongyo for (i = 0; i < sc->sc_memory.pages; i++) { 927191983Sweongyo if (sc->sc_memory.page[i].used == 0) { 928191983Sweongyo sc->sc_memory.page[i].used = 1; 929191983Sweongyo return (sc->sc_memory.page[i].addr); 930191983Sweongyo } 931191983Sweongyo } 932191983Sweongyo 933191983Sweongyo return (0); 934191983Sweongyo} 935191983Sweongyo 936191983Sweongyostatic void 937191983Sweongyoupgt_scan_start(struct ieee80211com *ic) 938191983Sweongyo{ 939191983Sweongyo /* do nothing. */ 940191983Sweongyo} 941191983Sweongyo 942191983Sweongyostatic void 943191983Sweongyoupgt_scan_end(struct ieee80211com *ic) 944191983Sweongyo{ 945191983Sweongyo /* do nothing. */ 946191983Sweongyo} 947191983Sweongyo 948191983Sweongyostatic void 949191983Sweongyoupgt_set_channel(struct ieee80211com *ic) 950191983Sweongyo{ 951191983Sweongyo struct upgt_softc *sc = ic->ic_ifp->if_softc; 952191983Sweongyo 953191983Sweongyo UPGT_LOCK(sc); 954191983Sweongyo upgt_set_chan(sc, ic->ic_curchan); 955191983Sweongyo UPGT_UNLOCK(sc); 956191983Sweongyo} 957191983Sweongyo 958191983Sweongyostatic void 959191983Sweongyoupgt_set_chan(struct upgt_softc *sc, struct ieee80211_channel *c) 960191983Sweongyo{ 961191983Sweongyo struct ifnet *ifp = sc->sc_ifp; 962191983Sweongyo struct ieee80211com *ic = ifp->if_l2com; 963191983Sweongyo struct upgt_data *data_cmd; 964191983Sweongyo struct upgt_lmac_mem *mem; 965191983Sweongyo struct upgt_lmac_channel *chan; 966191983Sweongyo int channel; 967191983Sweongyo 968191983Sweongyo UPGT_ASSERT_LOCKED(sc); 969191983Sweongyo 970191983Sweongyo channel = ieee80211_chan2ieee(ic, c); 971191983Sweongyo if (channel == 0 || channel == IEEE80211_CHAN_ANY) { 972191983Sweongyo /* XXX should NEVER happen */ 973191983Sweongyo device_printf(sc->sc_dev, 974191983Sweongyo "%s: invalid channel %x\n", __func__, channel); 975191983Sweongyo return; 976191983Sweongyo } 977191983Sweongyo 978191983Sweongyo DPRINTF(sc, UPGT_DEBUG_STATE, "%s: channel %d\n", __func__, channel); 979191983Sweongyo 980191983Sweongyo data_cmd = upgt_getbuf(sc); 981191983Sweongyo if (data_cmd == NULL) { 982191983Sweongyo device_printf(sc->sc_dev, "%s: out of buffers.\n", __func__); 983191983Sweongyo return; 984191983Sweongyo } 985191983Sweongyo /* 986191983Sweongyo * Transmit the URB containing the CMD data. 987191983Sweongyo */ 988229080Shselasky memset(data_cmd->buf, 0, MCLBYTES); 989191983Sweongyo 990191983Sweongyo mem = (struct upgt_lmac_mem *)data_cmd->buf; 991191983Sweongyo mem->addr = htole32(sc->sc_memaddr_frame_start + 992191983Sweongyo UPGT_MEMSIZE_FRAME_HEAD); 993191983Sweongyo 994191983Sweongyo chan = (struct upgt_lmac_channel *)(mem + 1); 995191983Sweongyo 996191983Sweongyo chan->header1.flags = UPGT_H1_FLAGS_TX_NO_CALLBACK; 997191983Sweongyo chan->header1.type = UPGT_H1_TYPE_CTRL; 998191983Sweongyo chan->header1.len = htole16( 999191983Sweongyo sizeof(struct upgt_lmac_channel) - sizeof(struct upgt_lmac_header)); 1000191983Sweongyo 1001191983Sweongyo chan->header2.reqid = htole32(sc->sc_memaddr_frame_start); 1002191983Sweongyo chan->header2.type = htole16(UPGT_H2_TYPE_CHANNEL); 1003191983Sweongyo chan->header2.flags = 0; 1004191983Sweongyo 1005191983Sweongyo chan->unknown1 = htole16(UPGT_CHANNEL_UNKNOWN1); 1006191983Sweongyo chan->unknown2 = htole16(UPGT_CHANNEL_UNKNOWN2); 1007191983Sweongyo chan->freq6 = sc->sc_eeprom_freq6[channel]; 1008191983Sweongyo chan->settings = sc->sc_eeprom_freq6_settings; 1009191983Sweongyo chan->unknown3 = UPGT_CHANNEL_UNKNOWN3; 1010191983Sweongyo 1011229080Shselasky memcpy(chan->freq3_1, &sc->sc_eeprom_freq3[channel].data, 1012191983Sweongyo sizeof(chan->freq3_1)); 1013229080Shselasky memcpy(chan->freq4, &sc->sc_eeprom_freq4[channel], 1014191983Sweongyo sizeof(sc->sc_eeprom_freq4[channel])); 1015229080Shselasky memcpy(chan->freq3_2, &sc->sc_eeprom_freq3[channel].data, 1016191983Sweongyo sizeof(chan->freq3_2)); 1017191983Sweongyo 1018191983Sweongyo data_cmd->buflen = sizeof(*mem) + sizeof(*chan); 1019191983Sweongyo 1020191983Sweongyo mem->chksum = upgt_chksum_le((uint32_t *)chan, 1021191983Sweongyo data_cmd->buflen - sizeof(*mem)); 1022191983Sweongyo 1023191983Sweongyo upgt_bulk_tx(sc, data_cmd); 1024191983Sweongyo} 1025191983Sweongyo 1026191983Sweongyostatic struct ieee80211vap * 1027234753Sdimupgt_vap_create(struct ieee80211com *ic, const char name[IFNAMSIZ], int unit, 1028234753Sdim enum ieee80211_opmode opmode, int flags, 1029234753Sdim const uint8_t bssid[IEEE80211_ADDR_LEN], 1030234753Sdim const uint8_t mac[IEEE80211_ADDR_LEN]) 1031191983Sweongyo{ 1032191983Sweongyo struct upgt_vap *uvp; 1033191983Sweongyo struct ieee80211vap *vap; 1034191983Sweongyo 1035191983Sweongyo if (!TAILQ_EMPTY(&ic->ic_vaps)) /* only one at a time */ 1036191983Sweongyo return NULL; 1037191983Sweongyo uvp = (struct upgt_vap *) malloc(sizeof(struct upgt_vap), 1038191983Sweongyo M_80211_VAP, M_NOWAIT | M_ZERO); 1039191983Sweongyo if (uvp == NULL) 1040191983Sweongyo return NULL; 1041191983Sweongyo vap = &uvp->vap; 1042191983Sweongyo /* enable s/w bmiss handling for sta mode */ 1043191983Sweongyo 1044259457Shselasky if (ieee80211_vap_setup(ic, vap, name, unit, opmode, 1045259457Shselasky flags | IEEE80211_CLONE_NOBEACONS, bssid, mac) != 0) { 1046259457Shselasky /* out of memory */ 1047259457Shselasky free(uvp, M_80211_VAP); 1048259457Shselasky return (NULL); 1049259457Shselasky } 1050259457Shselasky 1051191983Sweongyo /* override state transition machine */ 1052191983Sweongyo uvp->newstate = vap->iv_newstate; 1053191983Sweongyo vap->iv_newstate = upgt_newstate; 1054191983Sweongyo 1055191983Sweongyo /* setup device rates */ 1056191983Sweongyo upgt_setup_rates(vap, ic); 1057191983Sweongyo 1058191983Sweongyo /* complete setup */ 1059191983Sweongyo ieee80211_vap_attach(vap, ieee80211_media_change, 1060191983Sweongyo ieee80211_media_status); 1061191983Sweongyo ic->ic_opmode = opmode; 1062191983Sweongyo return vap; 1063191983Sweongyo} 1064191983Sweongyo 1065191983Sweongyostatic int 1066191983Sweongyoupgt_newstate(struct ieee80211vap *vap, enum ieee80211_state nstate, int arg) 1067191983Sweongyo{ 1068191983Sweongyo struct upgt_vap *uvp = UPGT_VAP(vap); 1069191983Sweongyo struct ieee80211com *ic = vap->iv_ic; 1070191983Sweongyo struct upgt_softc *sc = ic->ic_ifp->if_softc; 1071191983Sweongyo 1072191983Sweongyo /* do it in a process context */ 1073191983Sweongyo sc->sc_state = nstate; 1074191983Sweongyo 1075191983Sweongyo IEEE80211_UNLOCK(ic); 1076191983Sweongyo UPGT_LOCK(sc); 1077191983Sweongyo callout_stop(&sc->sc_led_ch); 1078191983Sweongyo callout_stop(&sc->sc_watchdog_ch); 1079191983Sweongyo 1080191983Sweongyo switch (nstate) { 1081191983Sweongyo case IEEE80211_S_INIT: 1082191983Sweongyo /* do not accept any frames if the device is down */ 1083191983Sweongyo (void)upgt_set_macfilter(sc, sc->sc_state); 1084191983Sweongyo upgt_set_led(sc, UPGT_LED_OFF); 1085191983Sweongyo break; 1086191983Sweongyo case IEEE80211_S_SCAN: 1087191983Sweongyo upgt_set_chan(sc, ic->ic_curchan); 1088191983Sweongyo break; 1089191983Sweongyo case IEEE80211_S_AUTH: 1090191983Sweongyo upgt_set_chan(sc, ic->ic_curchan); 1091191983Sweongyo break; 1092191983Sweongyo case IEEE80211_S_ASSOC: 1093191983Sweongyo break; 1094191983Sweongyo case IEEE80211_S_RUN: 1095191983Sweongyo upgt_set_macfilter(sc, sc->sc_state); 1096191983Sweongyo upgt_set_led(sc, UPGT_LED_ON); 1097191983Sweongyo break; 1098191983Sweongyo default: 1099191983Sweongyo break; 1100191983Sweongyo } 1101191983Sweongyo UPGT_UNLOCK(sc); 1102191983Sweongyo IEEE80211_LOCK(ic); 1103191983Sweongyo return (uvp->newstate(vap, nstate, arg)); 1104191983Sweongyo} 1105191983Sweongyo 1106191983Sweongyostatic void 1107191983Sweongyoupgt_vap_delete(struct ieee80211vap *vap) 1108191983Sweongyo{ 1109191983Sweongyo struct upgt_vap *uvp = UPGT_VAP(vap); 1110191983Sweongyo 1111191983Sweongyo ieee80211_vap_detach(vap); 1112191983Sweongyo free(uvp, M_80211_VAP); 1113191983Sweongyo} 1114191983Sweongyo 1115191983Sweongyostatic void 1116191983Sweongyoupgt_update_mcast(struct ifnet *ifp) 1117191983Sweongyo{ 1118191983Sweongyo struct upgt_softc *sc = ifp->if_softc; 1119191983Sweongyo 1120191983Sweongyo upgt_set_multi(sc); 1121191983Sweongyo} 1122191983Sweongyo 1123191983Sweongyostatic int 1124191983Sweongyoupgt_eeprom_parse(struct upgt_softc *sc) 1125191983Sweongyo{ 1126191983Sweongyo struct upgt_eeprom_header *eeprom_header; 1127191983Sweongyo struct upgt_eeprom_option *eeprom_option; 1128191983Sweongyo uint16_t option_len; 1129191983Sweongyo uint16_t option_type; 1130191983Sweongyo uint16_t preamble_len; 1131191983Sweongyo int option_end = 0; 1132191983Sweongyo 1133191983Sweongyo /* calculate eeprom options start offset */ 1134191983Sweongyo eeprom_header = (struct upgt_eeprom_header *)sc->sc_eeprom; 1135191983Sweongyo preamble_len = le16toh(eeprom_header->preamble_len); 1136191983Sweongyo eeprom_option = (struct upgt_eeprom_option *)(sc->sc_eeprom + 1137191983Sweongyo (sizeof(struct upgt_eeprom_header) + preamble_len)); 1138191983Sweongyo 1139191983Sweongyo while (!option_end) { 1140247473Shselasky 1141247473Shselasky /* sanity check */ 1142247473Shselasky if (eeprom_option >= (struct upgt_eeprom_option *) 1143247473Shselasky (sc->sc_eeprom + UPGT_EEPROM_SIZE)) { 1144247473Shselasky return (EINVAL); 1145247473Shselasky } 1146247473Shselasky 1147191983Sweongyo /* the eeprom option length is stored in words */ 1148191983Sweongyo option_len = 1149191983Sweongyo (le16toh(eeprom_option->len) - 1) * sizeof(uint16_t); 1150191983Sweongyo option_type = 1151191983Sweongyo le16toh(eeprom_option->type); 1152191983Sweongyo 1153247473Shselasky /* sanity check */ 1154247473Shselasky if (option_len == 0 || option_len >= UPGT_EEPROM_SIZE) 1155247473Shselasky return (EINVAL); 1156247473Shselasky 1157191983Sweongyo switch (option_type) { 1158191983Sweongyo case UPGT_EEPROM_TYPE_NAME: 1159191983Sweongyo DPRINTF(sc, UPGT_DEBUG_FW, 1160191983Sweongyo "EEPROM name len=%d\n", option_len); 1161191983Sweongyo break; 1162191983Sweongyo case UPGT_EEPROM_TYPE_SERIAL: 1163191983Sweongyo DPRINTF(sc, UPGT_DEBUG_FW, 1164191983Sweongyo "EEPROM serial len=%d\n", option_len); 1165191983Sweongyo break; 1166191983Sweongyo case UPGT_EEPROM_TYPE_MAC: 1167191983Sweongyo DPRINTF(sc, UPGT_DEBUG_FW, 1168191983Sweongyo "EEPROM mac len=%d\n", option_len); 1169191983Sweongyo 1170191983Sweongyo IEEE80211_ADDR_COPY(sc->sc_myaddr, eeprom_option->data); 1171191983Sweongyo break; 1172191983Sweongyo case UPGT_EEPROM_TYPE_HWRX: 1173191983Sweongyo DPRINTF(sc, UPGT_DEBUG_FW, 1174191983Sweongyo "EEPROM hwrx len=%d\n", option_len); 1175191983Sweongyo 1176191983Sweongyo upgt_eeprom_parse_hwrx(sc, eeprom_option->data); 1177191983Sweongyo break; 1178191983Sweongyo case UPGT_EEPROM_TYPE_CHIP: 1179191983Sweongyo DPRINTF(sc, UPGT_DEBUG_FW, 1180191983Sweongyo "EEPROM chip len=%d\n", option_len); 1181191983Sweongyo break; 1182191983Sweongyo case UPGT_EEPROM_TYPE_FREQ3: 1183191983Sweongyo DPRINTF(sc, UPGT_DEBUG_FW, 1184191983Sweongyo "EEPROM freq3 len=%d\n", option_len); 1185191983Sweongyo 1186191983Sweongyo upgt_eeprom_parse_freq3(sc, eeprom_option->data, 1187191983Sweongyo option_len); 1188191983Sweongyo break; 1189191983Sweongyo case UPGT_EEPROM_TYPE_FREQ4: 1190191983Sweongyo DPRINTF(sc, UPGT_DEBUG_FW, 1191191983Sweongyo "EEPROM freq4 len=%d\n", option_len); 1192191983Sweongyo 1193191983Sweongyo upgt_eeprom_parse_freq4(sc, eeprom_option->data, 1194191983Sweongyo option_len); 1195191983Sweongyo break; 1196191983Sweongyo case UPGT_EEPROM_TYPE_FREQ5: 1197191983Sweongyo DPRINTF(sc, UPGT_DEBUG_FW, 1198191983Sweongyo "EEPROM freq5 len=%d\n", option_len); 1199191983Sweongyo break; 1200191983Sweongyo case UPGT_EEPROM_TYPE_FREQ6: 1201191983Sweongyo DPRINTF(sc, UPGT_DEBUG_FW, 1202191983Sweongyo "EEPROM freq6 len=%d\n", option_len); 1203191983Sweongyo 1204191983Sweongyo upgt_eeprom_parse_freq6(sc, eeprom_option->data, 1205191983Sweongyo option_len); 1206191983Sweongyo break; 1207191983Sweongyo case UPGT_EEPROM_TYPE_END: 1208191983Sweongyo DPRINTF(sc, UPGT_DEBUG_FW, 1209191983Sweongyo "EEPROM end len=%d\n", option_len); 1210191983Sweongyo option_end = 1; 1211191983Sweongyo break; 1212191983Sweongyo case UPGT_EEPROM_TYPE_OFF: 1213191983Sweongyo DPRINTF(sc, UPGT_DEBUG_FW, 1214199816Sthompsa "%s: EEPROM off without end option\n", __func__); 1215191983Sweongyo return (EIO); 1216191983Sweongyo default: 1217191983Sweongyo DPRINTF(sc, UPGT_DEBUG_FW, 1218191983Sweongyo "EEPROM unknown type 0x%04x len=%d\n", 1219191983Sweongyo option_type, option_len); 1220191983Sweongyo break; 1221191983Sweongyo } 1222191983Sweongyo 1223191983Sweongyo /* jump to next EEPROM option */ 1224191983Sweongyo eeprom_option = (struct upgt_eeprom_option *) 1225191983Sweongyo (eeprom_option->data + option_len); 1226191983Sweongyo } 1227191983Sweongyo return (0); 1228191983Sweongyo} 1229191983Sweongyo 1230191983Sweongyostatic void 1231191983Sweongyoupgt_eeprom_parse_freq3(struct upgt_softc *sc, uint8_t *data, int len) 1232191983Sweongyo{ 1233191983Sweongyo struct upgt_eeprom_freq3_header *freq3_header; 1234191983Sweongyo struct upgt_lmac_freq3 *freq3; 1235247473Shselasky int i; 1236247473Shselasky int elements; 1237247473Shselasky int flags; 1238191983Sweongyo unsigned channel; 1239191983Sweongyo 1240191983Sweongyo freq3_header = (struct upgt_eeprom_freq3_header *)data; 1241191983Sweongyo freq3 = (struct upgt_lmac_freq3 *)(freq3_header + 1); 1242191983Sweongyo 1243191983Sweongyo flags = freq3_header->flags; 1244191983Sweongyo elements = freq3_header->elements; 1245191983Sweongyo 1246191983Sweongyo DPRINTF(sc, UPGT_DEBUG_FW, "flags=0x%02x elements=%d\n", 1247191983Sweongyo flags, elements); 1248191983Sweongyo 1249247473Shselasky if (elements >= (int)(UPGT_EEPROM_SIZE / sizeof(freq3[0]))) 1250247473Shselasky return; 1251247473Shselasky 1252191983Sweongyo for (i = 0; i < elements; i++) { 1253191983Sweongyo channel = ieee80211_mhz2ieee(le16toh(freq3[i].freq), 0); 1254235000Shselasky if (channel >= IEEE80211_CHAN_MAX) 1255191983Sweongyo continue; 1256191983Sweongyo 1257191983Sweongyo sc->sc_eeprom_freq3[channel] = freq3[i]; 1258191983Sweongyo 1259191983Sweongyo DPRINTF(sc, UPGT_DEBUG_FW, "frequence=%d, channel=%d\n", 1260191983Sweongyo le16toh(sc->sc_eeprom_freq3[channel].freq), channel); 1261191983Sweongyo } 1262191983Sweongyo} 1263191983Sweongyo 1264191983Sweongyovoid 1265191983Sweongyoupgt_eeprom_parse_freq4(struct upgt_softc *sc, uint8_t *data, int len) 1266191983Sweongyo{ 1267191983Sweongyo struct upgt_eeprom_freq4_header *freq4_header; 1268191983Sweongyo struct upgt_eeprom_freq4_1 *freq4_1; 1269191983Sweongyo struct upgt_eeprom_freq4_2 *freq4_2; 1270247473Shselasky int i; 1271247473Shselasky int j; 1272247473Shselasky int elements; 1273247473Shselasky int settings; 1274247473Shselasky int flags; 1275191983Sweongyo unsigned channel; 1276191983Sweongyo 1277191983Sweongyo freq4_header = (struct upgt_eeprom_freq4_header *)data; 1278191983Sweongyo freq4_1 = (struct upgt_eeprom_freq4_1 *)(freq4_header + 1); 1279191983Sweongyo flags = freq4_header->flags; 1280191983Sweongyo elements = freq4_header->elements; 1281191983Sweongyo settings = freq4_header->settings; 1282191983Sweongyo 1283191983Sweongyo /* we need this value later */ 1284191983Sweongyo sc->sc_eeprom_freq6_settings = freq4_header->settings; 1285191983Sweongyo 1286191983Sweongyo DPRINTF(sc, UPGT_DEBUG_FW, "flags=0x%02x elements=%d settings=%d\n", 1287191983Sweongyo flags, elements, settings); 1288191983Sweongyo 1289247473Shselasky if (elements >= (int)(UPGT_EEPROM_SIZE / sizeof(freq4_1[0]))) 1290247473Shselasky return; 1291247473Shselasky 1292191983Sweongyo for (i = 0; i < elements; i++) { 1293191983Sweongyo channel = ieee80211_mhz2ieee(le16toh(freq4_1[i].freq), 0); 1294235000Shselasky if (channel >= IEEE80211_CHAN_MAX) 1295191983Sweongyo continue; 1296191983Sweongyo 1297191983Sweongyo freq4_2 = (struct upgt_eeprom_freq4_2 *)freq4_1[i].data; 1298191983Sweongyo for (j = 0; j < settings; j++) { 1299191983Sweongyo sc->sc_eeprom_freq4[channel][j].cmd = freq4_2[j]; 1300191983Sweongyo sc->sc_eeprom_freq4[channel][j].pad = 0; 1301191983Sweongyo } 1302191983Sweongyo 1303191983Sweongyo DPRINTF(sc, UPGT_DEBUG_FW, "frequence=%d, channel=%d\n", 1304191983Sweongyo le16toh(freq4_1[i].freq), channel); 1305191983Sweongyo } 1306191983Sweongyo} 1307191983Sweongyo 1308191983Sweongyovoid 1309191983Sweongyoupgt_eeprom_parse_freq6(struct upgt_softc *sc, uint8_t *data, int len) 1310191983Sweongyo{ 1311191983Sweongyo struct upgt_lmac_freq6 *freq6; 1312247473Shselasky int i; 1313247473Shselasky int elements; 1314191983Sweongyo unsigned channel; 1315191983Sweongyo 1316191983Sweongyo freq6 = (struct upgt_lmac_freq6 *)data; 1317191983Sweongyo elements = len / sizeof(struct upgt_lmac_freq6); 1318191983Sweongyo 1319191983Sweongyo DPRINTF(sc, UPGT_DEBUG_FW, "elements=%d\n", elements); 1320191983Sweongyo 1321247473Shselasky if (elements >= (int)(UPGT_EEPROM_SIZE / sizeof(freq6[0]))) 1322247473Shselasky return; 1323247473Shselasky 1324191983Sweongyo for (i = 0; i < elements; i++) { 1325191983Sweongyo channel = ieee80211_mhz2ieee(le16toh(freq6[i].freq), 0); 1326235000Shselasky if (channel >= IEEE80211_CHAN_MAX) 1327191983Sweongyo continue; 1328191983Sweongyo 1329191983Sweongyo sc->sc_eeprom_freq6[channel] = freq6[i]; 1330191983Sweongyo 1331191983Sweongyo DPRINTF(sc, UPGT_DEBUG_FW, "frequence=%d, channel=%d\n", 1332191983Sweongyo le16toh(sc->sc_eeprom_freq6[channel].freq), channel); 1333191983Sweongyo } 1334191983Sweongyo} 1335191983Sweongyo 1336191983Sweongyostatic void 1337191983Sweongyoupgt_eeprom_parse_hwrx(struct upgt_softc *sc, uint8_t *data) 1338191983Sweongyo{ 1339191983Sweongyo struct upgt_eeprom_option_hwrx *option_hwrx; 1340191983Sweongyo 1341191983Sweongyo option_hwrx = (struct upgt_eeprom_option_hwrx *)data; 1342191983Sweongyo 1343191983Sweongyo sc->sc_eeprom_hwrx = option_hwrx->rxfilter - UPGT_EEPROM_RX_CONST; 1344191983Sweongyo 1345191983Sweongyo DPRINTF(sc, UPGT_DEBUG_FW, "hwrx option value=0x%04x\n", 1346191983Sweongyo sc->sc_eeprom_hwrx); 1347191983Sweongyo} 1348191983Sweongyo 1349191983Sweongyostatic int 1350191983Sweongyoupgt_eeprom_read(struct upgt_softc *sc) 1351191983Sweongyo{ 1352191983Sweongyo struct upgt_data *data_cmd; 1353191983Sweongyo struct upgt_lmac_mem *mem; 1354191983Sweongyo struct upgt_lmac_eeprom *eeprom; 1355191983Sweongyo int block, error, offset; 1356191983Sweongyo 1357191983Sweongyo UPGT_LOCK(sc); 1358194228Sthompsa usb_pause_mtx(&sc->sc_mtx, 100); 1359191983Sweongyo 1360191983Sweongyo offset = 0; 1361191983Sweongyo block = UPGT_EEPROM_BLOCK_SIZE; 1362191983Sweongyo while (offset < UPGT_EEPROM_SIZE) { 1363191983Sweongyo DPRINTF(sc, UPGT_DEBUG_FW, 1364191983Sweongyo "request EEPROM block (offset=%d, len=%d)\n", offset, block); 1365191983Sweongyo 1366191983Sweongyo data_cmd = upgt_getbuf(sc); 1367191983Sweongyo if (data_cmd == NULL) { 1368191983Sweongyo UPGT_UNLOCK(sc); 1369191983Sweongyo return (ENOBUFS); 1370191983Sweongyo } 1371191983Sweongyo 1372191983Sweongyo /* 1373191983Sweongyo * Transmit the URB containing the CMD data. 1374191983Sweongyo */ 1375229080Shselasky memset(data_cmd->buf, 0, MCLBYTES); 1376191983Sweongyo 1377191983Sweongyo mem = (struct upgt_lmac_mem *)data_cmd->buf; 1378191983Sweongyo mem->addr = htole32(sc->sc_memaddr_frame_start + 1379191983Sweongyo UPGT_MEMSIZE_FRAME_HEAD); 1380191983Sweongyo 1381191983Sweongyo eeprom = (struct upgt_lmac_eeprom *)(mem + 1); 1382191983Sweongyo eeprom->header1.flags = 0; 1383191983Sweongyo eeprom->header1.type = UPGT_H1_TYPE_CTRL; 1384191983Sweongyo eeprom->header1.len = htole16(( 1385191983Sweongyo sizeof(struct upgt_lmac_eeprom) - 1386191983Sweongyo sizeof(struct upgt_lmac_header)) + block); 1387191983Sweongyo 1388191983Sweongyo eeprom->header2.reqid = htole32(sc->sc_memaddr_frame_start); 1389191983Sweongyo eeprom->header2.type = htole16(UPGT_H2_TYPE_EEPROM); 1390191983Sweongyo eeprom->header2.flags = 0; 1391191983Sweongyo 1392191983Sweongyo eeprom->offset = htole16(offset); 1393191983Sweongyo eeprom->len = htole16(block); 1394191983Sweongyo 1395191983Sweongyo data_cmd->buflen = sizeof(*mem) + sizeof(*eeprom) + block; 1396191983Sweongyo 1397191983Sweongyo mem->chksum = upgt_chksum_le((uint32_t *)eeprom, 1398191983Sweongyo data_cmd->buflen - sizeof(*mem)); 1399191983Sweongyo upgt_bulk_tx(sc, data_cmd); 1400191983Sweongyo 1401191983Sweongyo error = mtx_sleep(sc, &sc->sc_mtx, 0, "eeprom_request", hz); 1402191983Sweongyo if (error != 0) { 1403191983Sweongyo device_printf(sc->sc_dev, 1404199816Sthompsa "timeout while waiting for EEPROM data\n"); 1405191983Sweongyo UPGT_UNLOCK(sc); 1406191983Sweongyo return (EIO); 1407191983Sweongyo } 1408191983Sweongyo 1409191983Sweongyo offset += block; 1410191983Sweongyo if (UPGT_EEPROM_SIZE - offset < block) 1411191983Sweongyo block = UPGT_EEPROM_SIZE - offset; 1412191983Sweongyo } 1413191983Sweongyo 1414191983Sweongyo UPGT_UNLOCK(sc); 1415191983Sweongyo return (0); 1416191983Sweongyo} 1417191983Sweongyo 1418191983Sweongyo/* 1419191983Sweongyo * When a rx data came in the function returns a mbuf and a rssi values. 1420191983Sweongyo */ 1421191983Sweongyostatic struct mbuf * 1422192984Sthompsaupgt_rxeof(struct usb_xfer *xfer, struct upgt_data *data, int *rssi) 1423191983Sweongyo{ 1424191983Sweongyo struct mbuf *m = NULL; 1425194677Sthompsa struct upgt_softc *sc = usbd_xfer_softc(xfer); 1426191983Sweongyo struct upgt_lmac_header *header; 1427191983Sweongyo struct upgt_lmac_eeprom *eeprom; 1428191983Sweongyo uint8_t h1_type; 1429191983Sweongyo uint16_t h2_type; 1430194677Sthompsa int actlen, sumlen; 1431191983Sweongyo 1432194677Sthompsa usbd_xfer_status(xfer, &actlen, &sumlen, NULL, NULL); 1433194677Sthompsa 1434191983Sweongyo UPGT_ASSERT_LOCKED(sc); 1435191983Sweongyo 1436194677Sthompsa if (actlen < 1) 1437191983Sweongyo return (NULL); 1438191983Sweongyo 1439191983Sweongyo /* Check only at the very beginning. */ 1440191983Sweongyo if (!(sc->sc_flags & UPGT_FLAG_FWLOADED) && 1441191983Sweongyo (memcmp(data->buf, "OK", 2) == 0)) { 1442191983Sweongyo sc->sc_flags |= UPGT_FLAG_FWLOADED; 1443191983Sweongyo wakeup_one(sc); 1444191983Sweongyo return (NULL); 1445191983Sweongyo } 1446191983Sweongyo 1447235000Shselasky if (actlen < (int)UPGT_RX_MINSZ) 1448191983Sweongyo return (NULL); 1449191983Sweongyo 1450191983Sweongyo /* 1451191983Sweongyo * Check what type of frame came in. 1452191983Sweongyo */ 1453191983Sweongyo header = (struct upgt_lmac_header *)(data->buf + 4); 1454191983Sweongyo 1455191983Sweongyo h1_type = header->header1.type; 1456191983Sweongyo h2_type = le16toh(header->header2.type); 1457191983Sweongyo 1458191983Sweongyo if (h1_type == UPGT_H1_TYPE_CTRL && h2_type == UPGT_H2_TYPE_EEPROM) { 1459191983Sweongyo eeprom = (struct upgt_lmac_eeprom *)(data->buf + 4); 1460191983Sweongyo uint16_t eeprom_offset = le16toh(eeprom->offset); 1461191983Sweongyo uint16_t eeprom_len = le16toh(eeprom->len); 1462191983Sweongyo 1463191983Sweongyo DPRINTF(sc, UPGT_DEBUG_FW, 1464191983Sweongyo "received EEPROM block (offset=%d, len=%d)\n", 1465191983Sweongyo eeprom_offset, eeprom_len); 1466191983Sweongyo 1467229080Shselasky memcpy(sc->sc_eeprom + eeprom_offset, 1468229080Shselasky data->buf + sizeof(struct upgt_lmac_eeprom) + 4, 1469229080Shselasky eeprom_len); 1470191983Sweongyo 1471191983Sweongyo /* EEPROM data has arrived in time, wakeup. */ 1472191983Sweongyo wakeup(sc); 1473191983Sweongyo } else if (h1_type == UPGT_H1_TYPE_CTRL && 1474191983Sweongyo h2_type == UPGT_H2_TYPE_TX_DONE) { 1475191983Sweongyo DPRINTF(sc, UPGT_DEBUG_XMIT, "%s: received 802.11 TX done\n", 1476191983Sweongyo __func__); 1477191983Sweongyo upgt_tx_done(sc, data->buf + 4); 1478191983Sweongyo } else if (h1_type == UPGT_H1_TYPE_RX_DATA || 1479191983Sweongyo h1_type == UPGT_H1_TYPE_RX_DATA_MGMT) { 1480191983Sweongyo DPRINTF(sc, UPGT_DEBUG_RECV, "%s: received 802.11 RX data\n", 1481191983Sweongyo __func__); 1482191983Sweongyo m = upgt_rx(sc, data->buf + 4, le16toh(header->header1.len), 1483191983Sweongyo rssi); 1484191983Sweongyo } else if (h1_type == UPGT_H1_TYPE_CTRL && 1485191983Sweongyo h2_type == UPGT_H2_TYPE_STATS) { 1486191983Sweongyo DPRINTF(sc, UPGT_DEBUG_STAT, "%s: received statistic data\n", 1487191983Sweongyo __func__); 1488191983Sweongyo /* TODO: what could we do with the statistic data? */ 1489191983Sweongyo } else { 1490191983Sweongyo /* ignore unknown frame types */ 1491191983Sweongyo DPRINTF(sc, UPGT_DEBUG_INTR, 1492191983Sweongyo "received unknown frame type 0x%02x\n", 1493191983Sweongyo header->header1.type); 1494191983Sweongyo } 1495191983Sweongyo return (m); 1496191983Sweongyo} 1497191983Sweongyo 1498191983Sweongyo/* 1499191983Sweongyo * The firmware awaits a checksum for each frame we send to it. 1500191983Sweongyo * The algorithm used therefor is uncommon but somehow similar to CRC32. 1501191983Sweongyo */ 1502191983Sweongyostatic uint32_t 1503191983Sweongyoupgt_chksum_le(const uint32_t *buf, size_t size) 1504191983Sweongyo{ 1505235000Shselasky size_t i; 1506191983Sweongyo uint32_t crc = 0; 1507191983Sweongyo 1508191983Sweongyo for (i = 0; i < size; i += sizeof(uint32_t)) { 1509191983Sweongyo crc = htole32(crc ^ *buf++); 1510191983Sweongyo crc = htole32((crc >> 5) ^ (crc << 3)); 1511191983Sweongyo } 1512191983Sweongyo 1513191983Sweongyo return (crc); 1514191983Sweongyo} 1515191983Sweongyo 1516191983Sweongyostatic struct mbuf * 1517191983Sweongyoupgt_rx(struct upgt_softc *sc, uint8_t *data, int pkglen, int *rssi) 1518191983Sweongyo{ 1519191983Sweongyo struct ifnet *ifp = sc->sc_ifp; 1520191983Sweongyo struct ieee80211com *ic = ifp->if_l2com; 1521191983Sweongyo struct upgt_lmac_rx_desc *rxdesc; 1522191983Sweongyo struct mbuf *m; 1523191983Sweongyo 1524191983Sweongyo /* 1525191983Sweongyo * don't pass packets to the ieee80211 framework if the driver isn't 1526191983Sweongyo * RUNNING. 1527191983Sweongyo */ 1528191983Sweongyo if (!(ifp->if_drv_flags & IFF_DRV_RUNNING)) 1529191983Sweongyo return (NULL); 1530191983Sweongyo 1531191983Sweongyo /* access RX packet descriptor */ 1532191983Sweongyo rxdesc = (struct upgt_lmac_rx_desc *)data; 1533191983Sweongyo 1534191983Sweongyo /* create mbuf which is suitable for strict alignment archs */ 1535191983Sweongyo KASSERT((pkglen + ETHER_ALIGN) < MCLBYTES, 1536191983Sweongyo ("A current mbuf storage is small (%d)", pkglen + ETHER_ALIGN)); 1537248078Smarius m = m_getcl(M_NOWAIT, MT_DATA, M_PKTHDR); 1538191983Sweongyo if (m == NULL) { 1539199816Sthompsa device_printf(sc->sc_dev, "could not create RX mbuf\n"); 1540191983Sweongyo return (NULL); 1541191983Sweongyo } 1542191983Sweongyo m_adj(m, ETHER_ALIGN); 1543229080Shselasky memcpy(mtod(m, char *), rxdesc->data, pkglen); 1544191983Sweongyo /* trim FCS */ 1545191983Sweongyo m->m_len = m->m_pkthdr.len = pkglen - IEEE80211_CRC_LEN; 1546191983Sweongyo m->m_pkthdr.rcvif = ifp; 1547191983Sweongyo 1548192468Ssam if (ieee80211_radiotap_active(ic)) { 1549191983Sweongyo struct upgt_rx_radiotap_header *tap = &sc->sc_rxtap; 1550191983Sweongyo 1551191983Sweongyo tap->wr_flags = 0; 1552191983Sweongyo tap->wr_rate = upgt_rx_rate(sc, rxdesc->rate); 1553191983Sweongyo tap->wr_antsignal = rxdesc->rssi; 1554191983Sweongyo } 1555191983Sweongyo ifp->if_ipackets++; 1556191983Sweongyo 1557191983Sweongyo DPRINTF(sc, UPGT_DEBUG_RX_PROC, "%s: RX done\n", __func__); 1558191983Sweongyo *rssi = rxdesc->rssi; 1559191983Sweongyo return (m); 1560191983Sweongyo} 1561191983Sweongyo 1562191983Sweongyostatic uint8_t 1563191983Sweongyoupgt_rx_rate(struct upgt_softc *sc, const int rate) 1564191983Sweongyo{ 1565191983Sweongyo struct ifnet *ifp = sc->sc_ifp; 1566191983Sweongyo struct ieee80211com *ic = ifp->if_l2com; 1567191983Sweongyo static const uint8_t cck_upgt2rate[4] = { 2, 4, 11, 22 }; 1568191983Sweongyo static const uint8_t ofdm_upgt2rate[12] = 1569191983Sweongyo { 2, 4, 11, 22, 12, 18, 24, 36, 48, 72, 96, 108 }; 1570191983Sweongyo 1571191983Sweongyo if (ic->ic_curmode == IEEE80211_MODE_11B && 1572191983Sweongyo !(rate < 0 || rate > 3)) 1573191983Sweongyo return cck_upgt2rate[rate & 0xf]; 1574191983Sweongyo 1575191983Sweongyo if (ic->ic_curmode == IEEE80211_MODE_11G && 1576191983Sweongyo !(rate < 0 || rate > 11)) 1577191983Sweongyo return ofdm_upgt2rate[rate & 0xf]; 1578191983Sweongyo 1579191983Sweongyo return (0); 1580191983Sweongyo} 1581191983Sweongyo 1582191983Sweongyostatic void 1583191983Sweongyoupgt_tx_done(struct upgt_softc *sc, uint8_t *data) 1584191983Sweongyo{ 1585191983Sweongyo struct ifnet *ifp = sc->sc_ifp; 1586191983Sweongyo struct upgt_lmac_tx_done_desc *desc; 1587191983Sweongyo int i, freed = 0; 1588191983Sweongyo 1589191983Sweongyo UPGT_ASSERT_LOCKED(sc); 1590191983Sweongyo 1591191983Sweongyo desc = (struct upgt_lmac_tx_done_desc *)data; 1592191983Sweongyo 1593191983Sweongyo for (i = 0; i < UPGT_TX_MAXCOUNT; i++) { 1594191983Sweongyo struct upgt_data *data_tx = &sc->sc_tx_data[i]; 1595191983Sweongyo 1596191983Sweongyo if (data_tx->addr == le32toh(desc->header2.reqid)) { 1597191983Sweongyo upgt_mem_free(sc, data_tx->addr); 1598191983Sweongyo data_tx->ni = NULL; 1599191983Sweongyo data_tx->addr = 0; 1600191983Sweongyo data_tx->m = NULL; 1601191983Sweongyo 1602191983Sweongyo DPRINTF(sc, UPGT_DEBUG_TX_PROC, 1603191983Sweongyo "TX done: memaddr=0x%08x, status=0x%04x, rssi=%d, ", 1604191983Sweongyo le32toh(desc->header2.reqid), 1605191983Sweongyo le16toh(desc->status), le16toh(desc->rssi)); 1606191983Sweongyo DPRINTF(sc, UPGT_DEBUG_TX_PROC, "seq=%d\n", 1607191983Sweongyo le16toh(desc->seq)); 1608191983Sweongyo 1609191983Sweongyo freed++; 1610191983Sweongyo } 1611191983Sweongyo } 1612191983Sweongyo 1613191983Sweongyo if (freed != 0) { 1614191983Sweongyo sc->sc_tx_timer = 0; 1615191983Sweongyo ifp->if_drv_flags &= ~IFF_DRV_OACTIVE; 1616191983Sweongyo UPGT_UNLOCK(sc); 1617191983Sweongyo upgt_start(ifp); 1618191983Sweongyo UPGT_LOCK(sc); 1619191983Sweongyo } 1620191983Sweongyo} 1621191983Sweongyo 1622191983Sweongyostatic void 1623191983Sweongyoupgt_mem_free(struct upgt_softc *sc, uint32_t addr) 1624191983Sweongyo{ 1625191983Sweongyo int i; 1626191983Sweongyo 1627191983Sweongyo for (i = 0; i < sc->sc_memory.pages; i++) { 1628191983Sweongyo if (sc->sc_memory.page[i].addr == addr) { 1629191983Sweongyo sc->sc_memory.page[i].used = 0; 1630191983Sweongyo return; 1631191983Sweongyo } 1632191983Sweongyo } 1633191983Sweongyo 1634191983Sweongyo device_printf(sc->sc_dev, 1635199816Sthompsa "could not free memory address 0x%08x\n", addr); 1636191983Sweongyo} 1637191983Sweongyo 1638191983Sweongyostatic int 1639191983Sweongyoupgt_fw_load(struct upgt_softc *sc) 1640191983Sweongyo{ 1641191983Sweongyo const struct firmware *fw; 1642191983Sweongyo struct upgt_data *data_cmd; 1643191983Sweongyo struct upgt_fw_x2_header *x2; 1644191983Sweongyo char start_fwload_cmd[] = { 0x3c, 0x0d }; 1645235000Shselasky int error = 0; 1646235000Shselasky size_t offset; 1647235000Shselasky int bsize; 1648235000Shselasky int n; 1649191983Sweongyo uint32_t crc32; 1650191983Sweongyo 1651191983Sweongyo fw = firmware_get(upgt_fwname); 1652191983Sweongyo if (fw == NULL) { 1653199816Sthompsa device_printf(sc->sc_dev, "could not read microcode %s\n", 1654191983Sweongyo upgt_fwname); 1655191983Sweongyo return (EIO); 1656191983Sweongyo } 1657191983Sweongyo 1658191983Sweongyo UPGT_LOCK(sc); 1659191983Sweongyo 1660191983Sweongyo /* send firmware start load command */ 1661191983Sweongyo data_cmd = upgt_getbuf(sc); 1662191983Sweongyo if (data_cmd == NULL) { 1663191983Sweongyo error = ENOBUFS; 1664191983Sweongyo goto fail; 1665191983Sweongyo } 1666191983Sweongyo data_cmd->buflen = sizeof(start_fwload_cmd); 1667229080Shselasky memcpy(data_cmd->buf, start_fwload_cmd, data_cmd->buflen); 1668191983Sweongyo upgt_bulk_tx(sc, data_cmd); 1669191983Sweongyo 1670191983Sweongyo /* send X2 header */ 1671191983Sweongyo data_cmd = upgt_getbuf(sc); 1672191983Sweongyo if (data_cmd == NULL) { 1673191983Sweongyo error = ENOBUFS; 1674191983Sweongyo goto fail; 1675191983Sweongyo } 1676191983Sweongyo data_cmd->buflen = sizeof(struct upgt_fw_x2_header); 1677191983Sweongyo x2 = (struct upgt_fw_x2_header *)data_cmd->buf; 1678229080Shselasky memcpy(x2->signature, UPGT_X2_SIGNATURE, UPGT_X2_SIGNATURE_SIZE); 1679191983Sweongyo x2->startaddr = htole32(UPGT_MEMADDR_FIRMWARE_START); 1680191983Sweongyo x2->len = htole32(fw->datasize); 1681191983Sweongyo x2->crc = upgt_crc32_le((uint8_t *)data_cmd->buf + 1682191983Sweongyo UPGT_X2_SIGNATURE_SIZE, 1683191983Sweongyo sizeof(struct upgt_fw_x2_header) - UPGT_X2_SIGNATURE_SIZE - 1684191983Sweongyo sizeof(uint32_t)); 1685191983Sweongyo upgt_bulk_tx(sc, data_cmd); 1686191983Sweongyo 1687191983Sweongyo /* download firmware */ 1688191983Sweongyo for (offset = 0; offset < fw->datasize; offset += bsize) { 1689191983Sweongyo if (fw->datasize - offset > UPGT_FW_BLOCK_SIZE) 1690191983Sweongyo bsize = UPGT_FW_BLOCK_SIZE; 1691191983Sweongyo else 1692191983Sweongyo bsize = fw->datasize - offset; 1693191983Sweongyo 1694191983Sweongyo data_cmd = upgt_getbuf(sc); 1695191983Sweongyo if (data_cmd == NULL) { 1696191983Sweongyo error = ENOBUFS; 1697191983Sweongyo goto fail; 1698191983Sweongyo } 1699191983Sweongyo n = upgt_fw_copy((const uint8_t *)fw->data + offset, 1700191983Sweongyo data_cmd->buf, bsize); 1701191983Sweongyo data_cmd->buflen = bsize; 1702191983Sweongyo upgt_bulk_tx(sc, data_cmd); 1703191983Sweongyo 1704191983Sweongyo DPRINTF(sc, UPGT_DEBUG_FW, "FW offset=%d, read=%d, sent=%d\n", 1705191983Sweongyo offset, n, bsize); 1706191983Sweongyo bsize = n; 1707191983Sweongyo } 1708191983Sweongyo DPRINTF(sc, UPGT_DEBUG_FW, "%s: firmware downloaded\n", __func__); 1709191983Sweongyo 1710191983Sweongyo /* load firmware */ 1711191983Sweongyo data_cmd = upgt_getbuf(sc); 1712191983Sweongyo if (data_cmd == NULL) { 1713191983Sweongyo error = ENOBUFS; 1714191983Sweongyo goto fail; 1715191983Sweongyo } 1716191983Sweongyo crc32 = upgt_crc32_le(fw->data, fw->datasize); 1717191983Sweongyo *((uint32_t *)(data_cmd->buf) ) = crc32; 1718191983Sweongyo *((uint8_t *)(data_cmd->buf) + 4) = 'g'; 1719191983Sweongyo *((uint8_t *)(data_cmd->buf) + 5) = '\r'; 1720191983Sweongyo data_cmd->buflen = 6; 1721191983Sweongyo upgt_bulk_tx(sc, data_cmd); 1722191983Sweongyo 1723191983Sweongyo /* waiting 'OK' response. */ 1724194228Sthompsa usbd_transfer_start(sc->sc_xfer[UPGT_BULK_RX]); 1725191983Sweongyo error = mtx_sleep(sc, &sc->sc_mtx, 0, "upgtfw", 2 * hz); 1726191983Sweongyo if (error != 0) { 1727199816Sthompsa device_printf(sc->sc_dev, "firmware load failed\n"); 1728191983Sweongyo error = EIO; 1729191983Sweongyo } 1730191983Sweongyo 1731191983Sweongyo DPRINTF(sc, UPGT_DEBUG_FW, "%s: firmware loaded\n", __func__); 1732191983Sweongyofail: 1733191983Sweongyo UPGT_UNLOCK(sc); 1734191983Sweongyo firmware_put(fw, FIRMWARE_UNLOAD); 1735191983Sweongyo return (error); 1736191983Sweongyo} 1737191983Sweongyo 1738191983Sweongyostatic uint32_t 1739191983Sweongyoupgt_crc32_le(const void *buf, size_t size) 1740191983Sweongyo{ 1741191983Sweongyo uint32_t crc; 1742191983Sweongyo 1743191983Sweongyo crc = ether_crc32_le(buf, size); 1744191983Sweongyo 1745191983Sweongyo /* apply final XOR value as common for CRC-32 */ 1746191983Sweongyo crc = htole32(crc ^ 0xffffffffU); 1747191983Sweongyo 1748191983Sweongyo return (crc); 1749191983Sweongyo} 1750191983Sweongyo 1751191983Sweongyo/* 1752191983Sweongyo * While copying the version 2 firmware, we need to replace two characters: 1753191983Sweongyo * 1754191983Sweongyo * 0x7e -> 0x7d 0x5e 1755191983Sweongyo * 0x7d -> 0x7d 0x5d 1756191983Sweongyo */ 1757191983Sweongyostatic int 1758191983Sweongyoupgt_fw_copy(const uint8_t *src, char *dst, int size) 1759191983Sweongyo{ 1760191983Sweongyo int i, j; 1761191983Sweongyo 1762191983Sweongyo for (i = 0, j = 0; i < size && j < size; i++) { 1763191983Sweongyo switch (src[i]) { 1764191983Sweongyo case 0x7e: 1765191983Sweongyo dst[j] = 0x7d; 1766191983Sweongyo j++; 1767191983Sweongyo dst[j] = 0x5e; 1768191983Sweongyo j++; 1769191983Sweongyo break; 1770191983Sweongyo case 0x7d: 1771191983Sweongyo dst[j] = 0x7d; 1772191983Sweongyo j++; 1773191983Sweongyo dst[j] = 0x5d; 1774191983Sweongyo j++; 1775191983Sweongyo break; 1776191983Sweongyo default: 1777191983Sweongyo dst[j] = src[i]; 1778191983Sweongyo j++; 1779191983Sweongyo break; 1780191983Sweongyo } 1781191983Sweongyo } 1782191983Sweongyo 1783191983Sweongyo return (i); 1784191983Sweongyo} 1785191983Sweongyo 1786191983Sweongyostatic int 1787191983Sweongyoupgt_mem_init(struct upgt_softc *sc) 1788191983Sweongyo{ 1789191983Sweongyo int i; 1790191983Sweongyo 1791191983Sweongyo for (i = 0; i < UPGT_MEMORY_MAX_PAGES; i++) { 1792191983Sweongyo sc->sc_memory.page[i].used = 0; 1793191983Sweongyo 1794191983Sweongyo if (i == 0) { 1795191983Sweongyo /* 1796191983Sweongyo * The first memory page is always reserved for 1797191983Sweongyo * command data. 1798191983Sweongyo */ 1799191983Sweongyo sc->sc_memory.page[i].addr = 1800191983Sweongyo sc->sc_memaddr_frame_start + MCLBYTES; 1801191983Sweongyo } else { 1802191983Sweongyo sc->sc_memory.page[i].addr = 1803191983Sweongyo sc->sc_memory.page[i - 1].addr + MCLBYTES; 1804191983Sweongyo } 1805191983Sweongyo 1806191983Sweongyo if (sc->sc_memory.page[i].addr + MCLBYTES >= 1807191983Sweongyo sc->sc_memaddr_frame_end) 1808191983Sweongyo break; 1809191983Sweongyo 1810191983Sweongyo DPRINTF(sc, UPGT_DEBUG_FW, "memory address page %d=0x%08x\n", 1811191983Sweongyo i, sc->sc_memory.page[i].addr); 1812191983Sweongyo } 1813191983Sweongyo 1814191983Sweongyo sc->sc_memory.pages = i; 1815191983Sweongyo 1816191983Sweongyo DPRINTF(sc, UPGT_DEBUG_FW, "memory pages=%d\n", sc->sc_memory.pages); 1817191983Sweongyo return (0); 1818191983Sweongyo} 1819191983Sweongyo 1820191983Sweongyostatic int 1821191983Sweongyoupgt_fw_verify(struct upgt_softc *sc) 1822191983Sweongyo{ 1823191983Sweongyo const struct firmware *fw; 1824191983Sweongyo const struct upgt_fw_bra_option *bra_opt; 1825191983Sweongyo const struct upgt_fw_bra_descr *descr; 1826191983Sweongyo const uint8_t *p; 1827191983Sweongyo const uint32_t *uc; 1828191983Sweongyo uint32_t bra_option_type, bra_option_len; 1829235000Shselasky size_t offset; 1830235000Shselasky int bra_end = 0; 1831235000Shselasky int error = 0; 1832191983Sweongyo 1833191983Sweongyo fw = firmware_get(upgt_fwname); 1834191983Sweongyo if (fw == NULL) { 1835199816Sthompsa device_printf(sc->sc_dev, "could not read microcode %s\n", 1836191983Sweongyo upgt_fwname); 1837191983Sweongyo return EIO; 1838191983Sweongyo } 1839191983Sweongyo 1840191983Sweongyo /* 1841191983Sweongyo * Seek to beginning of Boot Record Area (BRA). 1842191983Sweongyo */ 1843191983Sweongyo for (offset = 0; offset < fw->datasize; offset += sizeof(*uc)) { 1844191983Sweongyo uc = (const uint32_t *)((const uint8_t *)fw->data + offset); 1845191983Sweongyo if (*uc == 0) 1846191983Sweongyo break; 1847191983Sweongyo } 1848191983Sweongyo for (; offset < fw->datasize; offset += sizeof(*uc)) { 1849191983Sweongyo uc = (const uint32_t *)((const uint8_t *)fw->data + offset); 1850191983Sweongyo if (*uc != 0) 1851191983Sweongyo break; 1852191983Sweongyo } 1853191983Sweongyo if (offset == fw->datasize) { 1854191983Sweongyo device_printf(sc->sc_dev, 1855199816Sthompsa "firmware Boot Record Area not found\n"); 1856191983Sweongyo error = EIO; 1857191983Sweongyo goto fail; 1858191983Sweongyo } 1859191983Sweongyo 1860191983Sweongyo DPRINTF(sc, UPGT_DEBUG_FW, 1861191983Sweongyo "firmware Boot Record Area found at offset %d\n", offset); 1862191983Sweongyo 1863191983Sweongyo /* 1864191983Sweongyo * Parse Boot Record Area (BRA) options. 1865191983Sweongyo */ 1866191983Sweongyo while (offset < fw->datasize && bra_end == 0) { 1867191983Sweongyo /* get current BRA option */ 1868191983Sweongyo p = (const uint8_t *)fw->data + offset; 1869191983Sweongyo bra_opt = (const struct upgt_fw_bra_option *)p; 1870191983Sweongyo bra_option_type = le32toh(bra_opt->type); 1871191983Sweongyo bra_option_len = le32toh(bra_opt->len) * sizeof(*uc); 1872191983Sweongyo 1873191983Sweongyo switch (bra_option_type) { 1874191983Sweongyo case UPGT_BRA_TYPE_FW: 1875191983Sweongyo DPRINTF(sc, UPGT_DEBUG_FW, "UPGT_BRA_TYPE_FW len=%d\n", 1876191983Sweongyo bra_option_len); 1877191983Sweongyo 1878191983Sweongyo if (bra_option_len != UPGT_BRA_FWTYPE_SIZE) { 1879191983Sweongyo device_printf(sc->sc_dev, 1880199816Sthompsa "wrong UPGT_BRA_TYPE_FW len\n"); 1881191983Sweongyo error = EIO; 1882191983Sweongyo goto fail; 1883191983Sweongyo } 1884191983Sweongyo if (memcmp(UPGT_BRA_FWTYPE_LM86, bra_opt->data, 1885191983Sweongyo bra_option_len) == 0) { 1886191983Sweongyo sc->sc_fw_type = UPGT_FWTYPE_LM86; 1887191983Sweongyo break; 1888191983Sweongyo } 1889191983Sweongyo if (memcmp(UPGT_BRA_FWTYPE_LM87, bra_opt->data, 1890191983Sweongyo bra_option_len) == 0) { 1891191983Sweongyo sc->sc_fw_type = UPGT_FWTYPE_LM87; 1892191983Sweongyo break; 1893191983Sweongyo } 1894191983Sweongyo device_printf(sc->sc_dev, 1895199816Sthompsa "unsupported firmware type\n"); 1896191983Sweongyo error = EIO; 1897191983Sweongyo goto fail; 1898191983Sweongyo case UPGT_BRA_TYPE_VERSION: 1899191983Sweongyo DPRINTF(sc, UPGT_DEBUG_FW, 1900191983Sweongyo "UPGT_BRA_TYPE_VERSION len=%d\n", bra_option_len); 1901191983Sweongyo break; 1902191983Sweongyo case UPGT_BRA_TYPE_DEPIF: 1903191983Sweongyo DPRINTF(sc, UPGT_DEBUG_FW, 1904191983Sweongyo "UPGT_BRA_TYPE_DEPIF len=%d\n", bra_option_len); 1905191983Sweongyo break; 1906191983Sweongyo case UPGT_BRA_TYPE_EXPIF: 1907191983Sweongyo DPRINTF(sc, UPGT_DEBUG_FW, 1908191983Sweongyo "UPGT_BRA_TYPE_EXPIF len=%d\n", bra_option_len); 1909191983Sweongyo break; 1910191983Sweongyo case UPGT_BRA_TYPE_DESCR: 1911191983Sweongyo DPRINTF(sc, UPGT_DEBUG_FW, 1912191983Sweongyo "UPGT_BRA_TYPE_DESCR len=%d\n", bra_option_len); 1913191983Sweongyo 1914191983Sweongyo descr = (const struct upgt_fw_bra_descr *)bra_opt->data; 1915191983Sweongyo 1916191983Sweongyo sc->sc_memaddr_frame_start = 1917191983Sweongyo le32toh(descr->memaddr_space_start); 1918191983Sweongyo sc->sc_memaddr_frame_end = 1919191983Sweongyo le32toh(descr->memaddr_space_end); 1920191983Sweongyo 1921191983Sweongyo DPRINTF(sc, UPGT_DEBUG_FW, 1922191983Sweongyo "memory address space start=0x%08x\n", 1923191983Sweongyo sc->sc_memaddr_frame_start); 1924191983Sweongyo DPRINTF(sc, UPGT_DEBUG_FW, 1925191983Sweongyo "memory address space end=0x%08x\n", 1926191983Sweongyo sc->sc_memaddr_frame_end); 1927191983Sweongyo break; 1928191983Sweongyo case UPGT_BRA_TYPE_END: 1929191983Sweongyo DPRINTF(sc, UPGT_DEBUG_FW, "UPGT_BRA_TYPE_END len=%d\n", 1930191983Sweongyo bra_option_len); 1931191983Sweongyo bra_end = 1; 1932191983Sweongyo break; 1933191983Sweongyo default: 1934191983Sweongyo DPRINTF(sc, UPGT_DEBUG_FW, "unknown BRA option len=%d\n", 1935191983Sweongyo bra_option_len); 1936191983Sweongyo error = EIO; 1937191983Sweongyo goto fail; 1938191983Sweongyo } 1939191983Sweongyo 1940191983Sweongyo /* jump to next BRA option */ 1941191983Sweongyo offset += sizeof(struct upgt_fw_bra_option) + bra_option_len; 1942191983Sweongyo } 1943191983Sweongyo 1944191983Sweongyo DPRINTF(sc, UPGT_DEBUG_FW, "%s: firmware verified", __func__); 1945191983Sweongyofail: 1946191983Sweongyo firmware_put(fw, FIRMWARE_UNLOAD); 1947191983Sweongyo return (error); 1948191983Sweongyo} 1949191983Sweongyo 1950191983Sweongyostatic void 1951191983Sweongyoupgt_bulk_tx(struct upgt_softc *sc, struct upgt_data *data) 1952191983Sweongyo{ 1953191983Sweongyo 1954191983Sweongyo UPGT_ASSERT_LOCKED(sc); 1955191983Sweongyo 1956191983Sweongyo STAILQ_INSERT_TAIL(&sc->sc_tx_pending, data, next); 1957191983Sweongyo UPGT_STAT_INC(sc, st_tx_pending); 1958194228Sthompsa usbd_transfer_start(sc->sc_xfer[UPGT_BULK_TX]); 1959191983Sweongyo} 1960191983Sweongyo 1961191983Sweongyostatic int 1962191983Sweongyoupgt_device_reset(struct upgt_softc *sc) 1963191983Sweongyo{ 1964191983Sweongyo struct upgt_data *data; 1965191983Sweongyo char init_cmd[] = { 0x7e, 0x7e, 0x7e, 0x7e }; 1966191983Sweongyo 1967191983Sweongyo UPGT_LOCK(sc); 1968191983Sweongyo 1969191983Sweongyo data = upgt_getbuf(sc); 1970191983Sweongyo if (data == NULL) { 1971191983Sweongyo UPGT_UNLOCK(sc); 1972191983Sweongyo return (ENOBUFS); 1973191983Sweongyo } 1974229080Shselasky memcpy(data->buf, init_cmd, sizeof(init_cmd)); 1975191983Sweongyo data->buflen = sizeof(init_cmd); 1976191983Sweongyo upgt_bulk_tx(sc, data); 1977194228Sthompsa usb_pause_mtx(&sc->sc_mtx, 100); 1978191983Sweongyo 1979191983Sweongyo UPGT_UNLOCK(sc); 1980191983Sweongyo DPRINTF(sc, UPGT_DEBUG_FW, "%s: device initialized\n", __func__); 1981191983Sweongyo return (0); 1982191983Sweongyo} 1983191983Sweongyo 1984191983Sweongyostatic int 1985191983Sweongyoupgt_alloc_tx(struct upgt_softc *sc) 1986191983Sweongyo{ 1987191983Sweongyo int i; 1988191983Sweongyo 1989191983Sweongyo STAILQ_INIT(&sc->sc_tx_active); 1990191983Sweongyo STAILQ_INIT(&sc->sc_tx_inactive); 1991191983Sweongyo STAILQ_INIT(&sc->sc_tx_pending); 1992191983Sweongyo 1993191983Sweongyo for (i = 0; i < UPGT_TX_MAXCOUNT; i++) { 1994191983Sweongyo struct upgt_data *data = &sc->sc_tx_data[i]; 1995259454Shselasky data->buf = ((uint8_t *)sc->sc_tx_dma_buf) + (i * MCLBYTES); 1996191983Sweongyo STAILQ_INSERT_TAIL(&sc->sc_tx_inactive, data, next); 1997191983Sweongyo UPGT_STAT_INC(sc, st_tx_inactive); 1998191983Sweongyo } 1999191983Sweongyo 2000191983Sweongyo return (0); 2001191983Sweongyo} 2002191983Sweongyo 2003191983Sweongyostatic int 2004191983Sweongyoupgt_alloc_rx(struct upgt_softc *sc) 2005191983Sweongyo{ 2006191983Sweongyo int i; 2007191983Sweongyo 2008191983Sweongyo STAILQ_INIT(&sc->sc_rx_active); 2009191983Sweongyo STAILQ_INIT(&sc->sc_rx_inactive); 2010191983Sweongyo 2011191983Sweongyo for (i = 0; i < UPGT_RX_MAXCOUNT; i++) { 2012191983Sweongyo struct upgt_data *data = &sc->sc_rx_data[i]; 2013259454Shselasky data->buf = ((uint8_t *)sc->sc_rx_dma_buf) + (i * MCLBYTES); 2014191983Sweongyo STAILQ_INSERT_TAIL(&sc->sc_rx_inactive, data, next); 2015191983Sweongyo } 2016191983Sweongyo return (0); 2017191983Sweongyo} 2018191983Sweongyo 2019191983Sweongyostatic int 2020191983Sweongyoupgt_detach(device_t dev) 2021191983Sweongyo{ 2022191983Sweongyo struct upgt_softc *sc = device_get_softc(dev); 2023191983Sweongyo struct ifnet *ifp = sc->sc_ifp; 2024191983Sweongyo struct ieee80211com *ic = ifp->if_l2com; 2025259456Shselasky unsigned int x; 2026191983Sweongyo 2027259456Shselasky /* 2028259456Shselasky * Prevent further allocations from RX/TX/CMD 2029259456Shselasky * data lists and ioctls 2030259456Shselasky */ 2031259456Shselasky UPGT_LOCK(sc); 2032259456Shselasky sc->sc_flags |= UPGT_FLAG_DETACHED; 2033191983Sweongyo 2034259456Shselasky STAILQ_INIT(&sc->sc_tx_active); 2035259456Shselasky STAILQ_INIT(&sc->sc_tx_inactive); 2036259456Shselasky STAILQ_INIT(&sc->sc_tx_pending); 2037259456Shselasky 2038259456Shselasky STAILQ_INIT(&sc->sc_rx_active); 2039259456Shselasky STAILQ_INIT(&sc->sc_rx_inactive); 2040259456Shselasky UPGT_UNLOCK(sc); 2041259456Shselasky 2042191983Sweongyo upgt_stop(sc); 2043191983Sweongyo 2044191983Sweongyo callout_drain(&sc->sc_led_ch); 2045191983Sweongyo callout_drain(&sc->sc_watchdog_ch); 2046191983Sweongyo 2047259456Shselasky /* drain USB transfers */ 2048259456Shselasky for (x = 0; x != UPGT_N_XFERS; x++) 2049259456Shselasky usbd_transfer_drain(sc->sc_xfer[x]); 2050259454Shselasky 2051259456Shselasky /* free data buffers */ 2052259456Shselasky UPGT_LOCK(sc); 2053191983Sweongyo upgt_free_rx(sc); 2054191983Sweongyo upgt_free_tx(sc); 2055259456Shselasky UPGT_UNLOCK(sc); 2056191983Sweongyo 2057259456Shselasky /* free USB transfers and some data buffers */ 2058259456Shselasky usbd_transfer_unsetup(sc->sc_xfer, UPGT_N_XFERS); 2059259456Shselasky 2060259456Shselasky ieee80211_ifdetach(ic); 2061191983Sweongyo if_free(ifp); 2062191983Sweongyo mtx_destroy(&sc->sc_mtx); 2063191983Sweongyo 2064191983Sweongyo return (0); 2065191983Sweongyo} 2066191983Sweongyo 2067191983Sweongyostatic void 2068191983Sweongyoupgt_free_rx(struct upgt_softc *sc) 2069191983Sweongyo{ 2070191983Sweongyo int i; 2071191983Sweongyo 2072191983Sweongyo for (i = 0; i < UPGT_RX_MAXCOUNT; i++) { 2073191983Sweongyo struct upgt_data *data = &sc->sc_rx_data[i]; 2074191983Sweongyo 2075259454Shselasky data->buf = NULL; 2076191983Sweongyo data->ni = NULL; 2077191983Sweongyo } 2078191983Sweongyo} 2079191983Sweongyo 2080191983Sweongyostatic void 2081191983Sweongyoupgt_free_tx(struct upgt_softc *sc) 2082191983Sweongyo{ 2083191983Sweongyo int i; 2084191983Sweongyo 2085191983Sweongyo for (i = 0; i < UPGT_TX_MAXCOUNT; i++) { 2086191983Sweongyo struct upgt_data *data = &sc->sc_tx_data[i]; 2087191983Sweongyo 2088259456Shselasky if (data->ni != NULL) 2089259456Shselasky ieee80211_free_node(data->ni); 2090259456Shselasky 2091259454Shselasky data->buf = NULL; 2092191983Sweongyo data->ni = NULL; 2093191983Sweongyo } 2094191983Sweongyo} 2095191983Sweongyo 2096191983Sweongyostatic void 2097191983Sweongyoupgt_abort_xfers_locked(struct upgt_softc *sc) 2098191983Sweongyo{ 2099191983Sweongyo int i; 2100191983Sweongyo 2101191983Sweongyo UPGT_ASSERT_LOCKED(sc); 2102191983Sweongyo /* abort any pending transfers */ 2103191983Sweongyo for (i = 0; i < UPGT_N_XFERS; i++) 2104194228Sthompsa usbd_transfer_stop(sc->sc_xfer[i]); 2105191983Sweongyo} 2106191983Sweongyo 2107191983Sweongyostatic void 2108191983Sweongyoupgt_abort_xfers(struct upgt_softc *sc) 2109191983Sweongyo{ 2110191983Sweongyo 2111191983Sweongyo UPGT_LOCK(sc); 2112191983Sweongyo upgt_abort_xfers_locked(sc); 2113191983Sweongyo UPGT_UNLOCK(sc); 2114191983Sweongyo} 2115191983Sweongyo 2116191983Sweongyo#define UPGT_SYSCTL_STAT_ADD32(c, h, n, p, d) \ 2117191983Sweongyo SYSCTL_ADD_UINT(c, h, OID_AUTO, n, CTLFLAG_RD, p, 0, d) 2118191983Sweongyo 2119191983Sweongyostatic void 2120191983Sweongyoupgt_sysctl_node(struct upgt_softc *sc) 2121191983Sweongyo{ 2122191983Sweongyo struct sysctl_ctx_list *ctx; 2123191983Sweongyo struct sysctl_oid_list *child; 2124191983Sweongyo struct sysctl_oid *tree; 2125191983Sweongyo struct upgt_stat *stats; 2126191983Sweongyo 2127191983Sweongyo stats = &sc->sc_stat; 2128191983Sweongyo ctx = device_get_sysctl_ctx(sc->sc_dev); 2129191983Sweongyo child = SYSCTL_CHILDREN(device_get_sysctl_tree(sc->sc_dev)); 2130191983Sweongyo 2131191983Sweongyo tree = SYSCTL_ADD_NODE(ctx, child, OID_AUTO, "stats", CTLFLAG_RD, 2132191983Sweongyo NULL, "UPGT statistics"); 2133191983Sweongyo child = SYSCTL_CHILDREN(tree); 2134191983Sweongyo UPGT_SYSCTL_STAT_ADD32(ctx, child, "tx_active", 2135191983Sweongyo &stats->st_tx_active, "Active numbers in TX queue"); 2136191983Sweongyo UPGT_SYSCTL_STAT_ADD32(ctx, child, "tx_inactive", 2137191983Sweongyo &stats->st_tx_inactive, "Inactive numbers in TX queue"); 2138191983Sweongyo UPGT_SYSCTL_STAT_ADD32(ctx, child, "tx_pending", 2139191983Sweongyo &stats->st_tx_pending, "Pending numbers in TX queue"); 2140191983Sweongyo} 2141191983Sweongyo 2142191983Sweongyo#undef UPGT_SYSCTL_STAT_ADD32 2143191983Sweongyo 2144191983Sweongyostatic struct upgt_data * 2145191983Sweongyo_upgt_getbuf(struct upgt_softc *sc) 2146191983Sweongyo{ 2147191983Sweongyo struct upgt_data *bf; 2148191983Sweongyo 2149191983Sweongyo bf = STAILQ_FIRST(&sc->sc_tx_inactive); 2150191983Sweongyo if (bf != NULL) { 2151191983Sweongyo STAILQ_REMOVE_HEAD(&sc->sc_tx_inactive, next); 2152191983Sweongyo UPGT_STAT_DEC(sc, st_tx_inactive); 2153191983Sweongyo } else 2154191983Sweongyo bf = NULL; 2155191983Sweongyo if (bf == NULL) 2156191983Sweongyo DPRINTF(sc, UPGT_DEBUG_XMIT, "%s: %s\n", __func__, 2157191983Sweongyo "out of xmit buffers"); 2158191983Sweongyo return (bf); 2159191983Sweongyo} 2160191983Sweongyo 2161191983Sweongyostatic struct upgt_data * 2162191983Sweongyoupgt_getbuf(struct upgt_softc *sc) 2163191983Sweongyo{ 2164191983Sweongyo struct upgt_data *bf; 2165191983Sweongyo 2166191983Sweongyo UPGT_ASSERT_LOCKED(sc); 2167191983Sweongyo 2168191983Sweongyo bf = _upgt_getbuf(sc); 2169191983Sweongyo if (bf == NULL) { 2170191983Sweongyo struct ifnet *ifp = sc->sc_ifp; 2171191983Sweongyo 2172191983Sweongyo DPRINTF(sc, UPGT_DEBUG_XMIT, "%s: stop queue\n", __func__); 2173191983Sweongyo ifp->if_drv_flags |= IFF_DRV_OACTIVE; 2174191983Sweongyo } 2175191983Sweongyo 2176191983Sweongyo return (bf); 2177191983Sweongyo} 2178191983Sweongyo 2179191983Sweongyostatic struct upgt_data * 2180191983Sweongyoupgt_gettxbuf(struct upgt_softc *sc) 2181191983Sweongyo{ 2182191983Sweongyo struct upgt_data *bf; 2183191983Sweongyo 2184191983Sweongyo UPGT_ASSERT_LOCKED(sc); 2185191983Sweongyo 2186191983Sweongyo bf = upgt_getbuf(sc); 2187191983Sweongyo if (bf == NULL) 2188191983Sweongyo return (NULL); 2189191983Sweongyo 2190191983Sweongyo bf->addr = upgt_mem_alloc(sc); 2191191983Sweongyo if (bf->addr == 0) { 2192191983Sweongyo struct ifnet *ifp = sc->sc_ifp; 2193191983Sweongyo 2194191983Sweongyo DPRINTF(sc, UPGT_DEBUG_XMIT, "%s: no free prism memory!\n", 2195191983Sweongyo __func__); 2196191983Sweongyo STAILQ_INSERT_HEAD(&sc->sc_tx_inactive, bf, next); 2197191983Sweongyo UPGT_STAT_INC(sc, st_tx_inactive); 2198191983Sweongyo if (!(ifp->if_drv_flags & IFF_DRV_OACTIVE)) 2199191983Sweongyo ifp->if_drv_flags |= IFF_DRV_OACTIVE; 2200191983Sweongyo return (NULL); 2201191983Sweongyo } 2202191983Sweongyo return (bf); 2203191983Sweongyo} 2204191983Sweongyo 2205191983Sweongyostatic int 2206191983Sweongyoupgt_tx_start(struct upgt_softc *sc, struct mbuf *m, struct ieee80211_node *ni, 2207191983Sweongyo struct upgt_data *data) 2208191983Sweongyo{ 2209192468Ssam struct ieee80211vap *vap = ni->ni_vap; 2210191983Sweongyo int error = 0, len; 2211191983Sweongyo struct ieee80211_frame *wh; 2212191983Sweongyo struct ieee80211_key *k; 2213191983Sweongyo struct ifnet *ifp = sc->sc_ifp; 2214191983Sweongyo struct upgt_lmac_mem *mem; 2215191983Sweongyo struct upgt_lmac_tx_desc *txdesc; 2216191983Sweongyo 2217191983Sweongyo UPGT_ASSERT_LOCKED(sc); 2218191983Sweongyo 2219191983Sweongyo upgt_set_led(sc, UPGT_LED_BLINK); 2220191983Sweongyo 2221191983Sweongyo /* 2222191983Sweongyo * Software crypto. 2223191983Sweongyo */ 2224191983Sweongyo wh = mtod(m, struct ieee80211_frame *); 2225191983Sweongyo if (wh->i_fc[1] & IEEE80211_FC1_WEP) { 2226191983Sweongyo k = ieee80211_crypto_encap(ni, m); 2227191983Sweongyo if (k == NULL) { 2228191983Sweongyo device_printf(sc->sc_dev, 2229191983Sweongyo "ieee80211_crypto_encap returns NULL.\n"); 2230191983Sweongyo error = EIO; 2231191983Sweongyo goto done; 2232191983Sweongyo } 2233191983Sweongyo 2234191983Sweongyo /* in case packet header moved, reset pointer */ 2235191983Sweongyo wh = mtod(m, struct ieee80211_frame *); 2236191983Sweongyo } 2237191983Sweongyo 2238191983Sweongyo /* Transmit the URB containing the TX data. */ 2239229080Shselasky memset(data->buf, 0, MCLBYTES); 2240191983Sweongyo mem = (struct upgt_lmac_mem *)data->buf; 2241191983Sweongyo mem->addr = htole32(data->addr); 2242191983Sweongyo txdesc = (struct upgt_lmac_tx_desc *)(mem + 1); 2243191983Sweongyo 2244191983Sweongyo if ((wh->i_fc[0] & IEEE80211_FC0_TYPE_MASK) == 2245191983Sweongyo IEEE80211_FC0_TYPE_MGT) { 2246191983Sweongyo /* mgmt frames */ 2247191983Sweongyo txdesc->header1.flags = UPGT_H1_FLAGS_TX_MGMT; 2248191983Sweongyo /* always send mgmt frames at lowest rate (DS1) */ 2249191983Sweongyo memset(txdesc->rates, 0x10, sizeof(txdesc->rates)); 2250191983Sweongyo } else { 2251191983Sweongyo /* data frames */ 2252191983Sweongyo txdesc->header1.flags = UPGT_H1_FLAGS_TX_DATA; 2253229080Shselasky memcpy(txdesc->rates, sc->sc_cur_rateset, sizeof(txdesc->rates)); 2254191983Sweongyo } 2255191983Sweongyo txdesc->header1.type = UPGT_H1_TYPE_TX_DATA; 2256191983Sweongyo txdesc->header1.len = htole16(m->m_pkthdr.len); 2257191983Sweongyo txdesc->header2.reqid = htole32(data->addr); 2258191983Sweongyo txdesc->header2.type = htole16(UPGT_H2_TYPE_TX_ACK_YES); 2259191983Sweongyo txdesc->header2.flags = htole16(UPGT_H2_FLAGS_TX_ACK_YES); 2260191983Sweongyo txdesc->type = htole32(UPGT_TX_DESC_TYPE_DATA); 2261191983Sweongyo txdesc->pad3[0] = UPGT_TX_DESC_PAD3_SIZE; 2262191983Sweongyo 2263192468Ssam if (ieee80211_radiotap_active_vap(vap)) { 2264191983Sweongyo struct upgt_tx_radiotap_header *tap = &sc->sc_txtap; 2265191983Sweongyo 2266191983Sweongyo tap->wt_flags = 0; 2267191983Sweongyo tap->wt_rate = 0; /* XXX where to get from? */ 2268191983Sweongyo 2269192468Ssam ieee80211_radiotap_tx(vap, m); 2270191983Sweongyo } 2271191983Sweongyo 2272191983Sweongyo /* copy frame below our TX descriptor header */ 2273191983Sweongyo m_copydata(m, 0, m->m_pkthdr.len, 2274191983Sweongyo data->buf + (sizeof(*mem) + sizeof(*txdesc))); 2275191983Sweongyo /* calculate frame size */ 2276191983Sweongyo len = sizeof(*mem) + sizeof(*txdesc) + m->m_pkthdr.len; 2277191983Sweongyo /* we need to align the frame to a 4 byte boundary */ 2278191983Sweongyo len = (len + 3) & ~3; 2279191983Sweongyo /* calculate frame checksum */ 2280191983Sweongyo mem->chksum = upgt_chksum_le((uint32_t *)txdesc, len - sizeof(*mem)); 2281191983Sweongyo data->ni = ni; 2282191983Sweongyo data->m = m; 2283191983Sweongyo data->buflen = len; 2284191983Sweongyo 2285191983Sweongyo DPRINTF(sc, UPGT_DEBUG_XMIT, "%s: TX start data sending (%d bytes)\n", 2286191983Sweongyo __func__, len); 2287191983Sweongyo KASSERT(len <= MCLBYTES, ("mbuf is small for saving data")); 2288191983Sweongyo 2289191983Sweongyo upgt_bulk_tx(sc, data); 2290191983Sweongyodone: 2291191983Sweongyo /* 2292191983Sweongyo * If we don't regulary read the device statistics, the RX queue 2293191983Sweongyo * will stall. It's strange, but it works, so we keep reading 2294191983Sweongyo * the statistics here. *shrug* 2295191983Sweongyo */ 2296191983Sweongyo if (!(ifp->if_opackets % UPGT_TX_STAT_INTERVAL)) 2297191983Sweongyo upgt_get_stats(sc); 2298191983Sweongyo 2299191983Sweongyo return (error); 2300191983Sweongyo} 2301191983Sweongyo 2302191983Sweongyostatic void 2303194677Sthompsaupgt_bulk_rx_callback(struct usb_xfer *xfer, usb_error_t error) 2304191983Sweongyo{ 2305194677Sthompsa struct upgt_softc *sc = usbd_xfer_softc(xfer); 2306191983Sweongyo struct ifnet *ifp = sc->sc_ifp; 2307191983Sweongyo struct ieee80211com *ic = ifp->if_l2com; 2308191983Sweongyo struct ieee80211_frame *wh; 2309191983Sweongyo struct ieee80211_node *ni; 2310191983Sweongyo struct mbuf *m = NULL; 2311191983Sweongyo struct upgt_data *data; 2312191983Sweongyo int8_t nf; 2313191983Sweongyo int rssi = -1; 2314191983Sweongyo 2315191983Sweongyo UPGT_ASSERT_LOCKED(sc); 2316191983Sweongyo 2317191983Sweongyo switch (USB_GET_STATE(xfer)) { 2318191983Sweongyo case USB_ST_TRANSFERRED: 2319191983Sweongyo data = STAILQ_FIRST(&sc->sc_rx_active); 2320191983Sweongyo if (data == NULL) 2321191983Sweongyo goto setup; 2322191983Sweongyo STAILQ_REMOVE_HEAD(&sc->sc_rx_active, next); 2323191983Sweongyo m = upgt_rxeof(xfer, data, &rssi); 2324191983Sweongyo STAILQ_INSERT_TAIL(&sc->sc_rx_inactive, data, next); 2325191983Sweongyo /* FALLTHROUGH */ 2326191983Sweongyo case USB_ST_SETUP: 2327191983Sweongyosetup: 2328191983Sweongyo data = STAILQ_FIRST(&sc->sc_rx_inactive); 2329191983Sweongyo if (data == NULL) 2330191983Sweongyo return; 2331191983Sweongyo STAILQ_REMOVE_HEAD(&sc->sc_rx_inactive, next); 2332191983Sweongyo STAILQ_INSERT_TAIL(&sc->sc_rx_active, data, next); 2333259454Shselasky usbd_xfer_set_frame_data(xfer, 0, data->buf, MCLBYTES); 2334194228Sthompsa usbd_transfer_submit(xfer); 2335191983Sweongyo 2336191983Sweongyo /* 2337191983Sweongyo * To avoid LOR we should unlock our private mutex here to call 2338191983Sweongyo * ieee80211_input() because here is at the end of a USB 2339191983Sweongyo * callback and safe to unlock. 2340191983Sweongyo */ 2341191983Sweongyo UPGT_UNLOCK(sc); 2342191983Sweongyo if (m != NULL) { 2343191983Sweongyo wh = mtod(m, struct ieee80211_frame *); 2344191983Sweongyo ni = ieee80211_find_rxnode(ic, 2345191983Sweongyo (struct ieee80211_frame_min *)wh); 2346191983Sweongyo nf = -95; /* XXX */ 2347191983Sweongyo if (ni != NULL) { 2348192468Ssam (void) ieee80211_input(ni, m, rssi, nf); 2349191983Sweongyo /* node is no longer needed */ 2350191983Sweongyo ieee80211_free_node(ni); 2351191983Sweongyo } else 2352192468Ssam (void) ieee80211_input_all(ic, m, rssi, nf); 2353191983Sweongyo m = NULL; 2354191983Sweongyo } 2355198099Sweongyo if ((ifp->if_drv_flags & IFF_DRV_OACTIVE) == 0 && 2356198099Sweongyo !IFQ_IS_EMPTY(&ifp->if_snd)) 2357198099Sweongyo upgt_start(ifp); 2358191983Sweongyo UPGT_LOCK(sc); 2359191983Sweongyo break; 2360191983Sweongyo default: 2361191983Sweongyo /* needs it to the inactive queue due to a error. */ 2362191983Sweongyo data = STAILQ_FIRST(&sc->sc_rx_active); 2363191983Sweongyo if (data != NULL) { 2364191983Sweongyo STAILQ_REMOVE_HEAD(&sc->sc_rx_active, next); 2365191983Sweongyo STAILQ_INSERT_TAIL(&sc->sc_rx_inactive, data, next); 2366191983Sweongyo } 2367194677Sthompsa if (error != USB_ERR_CANCELLED) { 2368194677Sthompsa usbd_xfer_set_stall(xfer); 2369191983Sweongyo ifp->if_ierrors++; 2370191983Sweongyo goto setup; 2371191983Sweongyo } 2372191983Sweongyo break; 2373191983Sweongyo } 2374191983Sweongyo} 2375191983Sweongyo 2376191983Sweongyostatic void 2377194677Sthompsaupgt_bulk_tx_callback(struct usb_xfer *xfer, usb_error_t error) 2378191983Sweongyo{ 2379194677Sthompsa struct upgt_softc *sc = usbd_xfer_softc(xfer); 2380191983Sweongyo struct ifnet *ifp = sc->sc_ifp; 2381191983Sweongyo struct upgt_data *data; 2382191983Sweongyo 2383191983Sweongyo UPGT_ASSERT_LOCKED(sc); 2384191983Sweongyo switch (USB_GET_STATE(xfer)) { 2385191983Sweongyo case USB_ST_TRANSFERRED: 2386191983Sweongyo data = STAILQ_FIRST(&sc->sc_tx_active); 2387191983Sweongyo if (data == NULL) 2388191983Sweongyo goto setup; 2389191983Sweongyo STAILQ_REMOVE_HEAD(&sc->sc_tx_active, next); 2390191983Sweongyo UPGT_STAT_DEC(sc, st_tx_active); 2391191983Sweongyo upgt_txeof(xfer, data); 2392191983Sweongyo STAILQ_INSERT_TAIL(&sc->sc_tx_inactive, data, next); 2393191983Sweongyo UPGT_STAT_INC(sc, st_tx_inactive); 2394191983Sweongyo /* FALLTHROUGH */ 2395191983Sweongyo case USB_ST_SETUP: 2396191983Sweongyosetup: 2397191983Sweongyo data = STAILQ_FIRST(&sc->sc_tx_pending); 2398191983Sweongyo if (data == NULL) { 2399191983Sweongyo DPRINTF(sc, UPGT_DEBUG_XMIT, "%s: empty pending queue\n", 2400191983Sweongyo __func__); 2401191983Sweongyo return; 2402191983Sweongyo } 2403191983Sweongyo STAILQ_REMOVE_HEAD(&sc->sc_tx_pending, next); 2404191983Sweongyo UPGT_STAT_DEC(sc, st_tx_pending); 2405191983Sweongyo STAILQ_INSERT_TAIL(&sc->sc_tx_active, data, next); 2406191983Sweongyo UPGT_STAT_INC(sc, st_tx_active); 2407191983Sweongyo 2408194677Sthompsa usbd_xfer_set_frame_data(xfer, 0, data->buf, data->buflen); 2409194228Sthompsa usbd_transfer_submit(xfer); 2410191983Sweongyo UPGT_UNLOCK(sc); 2411191983Sweongyo upgt_start(ifp); 2412191983Sweongyo UPGT_LOCK(sc); 2413191983Sweongyo break; 2414191983Sweongyo default: 2415191983Sweongyo data = STAILQ_FIRST(&sc->sc_tx_active); 2416191983Sweongyo if (data == NULL) 2417191983Sweongyo goto setup; 2418191983Sweongyo if (data->ni != NULL) { 2419191983Sweongyo ieee80211_free_node(data->ni); 2420191983Sweongyo data->ni = NULL; 2421191983Sweongyo ifp->if_oerrors++; 2422191983Sweongyo } 2423194677Sthompsa if (error != USB_ERR_CANCELLED) { 2424194677Sthompsa usbd_xfer_set_stall(xfer); 2425191983Sweongyo goto setup; 2426191983Sweongyo } 2427191983Sweongyo break; 2428191983Sweongyo } 2429191983Sweongyo} 2430191983Sweongyo 2431191983Sweongyostatic device_method_t upgt_methods[] = { 2432191983Sweongyo /* Device interface */ 2433191983Sweongyo DEVMETHOD(device_probe, upgt_match), 2434191983Sweongyo DEVMETHOD(device_attach, upgt_attach), 2435191983Sweongyo DEVMETHOD(device_detach, upgt_detach), 2436259454Shselasky DEVMETHOD_END 2437191983Sweongyo}; 2438191983Sweongyo 2439191983Sweongyostatic driver_t upgt_driver = { 2440235000Shselasky .name = "upgt", 2441235000Shselasky .methods = upgt_methods, 2442235000Shselasky .size = sizeof(struct upgt_softc) 2443191983Sweongyo}; 2444191983Sweongyo 2445191983Sweongyostatic devclass_t upgt_devclass; 2446191983Sweongyo 2447191983SweongyoDRIVER_MODULE(if_upgt, uhub, upgt_driver, upgt_devclass, NULL, 0); 2448191983SweongyoMODULE_VERSION(if_upgt, 1); 2449191983SweongyoMODULE_DEPEND(if_upgt, usb, 1, 1, 1); 2450191983SweongyoMODULE_DEPEND(if_upgt, wlan, 1, 1, 1); 2451191983SweongyoMODULE_DEPEND(if_upgt, upgtfw_fw, 1, 1, 1); 2452