if_upgt.c revision 257176
1191983Sweongyo/* $OpenBSD: if_upgt.c,v 1.35 2008/04/16 18:32:15 damien Exp $ */ 2191983Sweongyo/* $FreeBSD: head/sys/dev/usb/wlan/if_upgt.c 257176 2013-10-26 17:58:36Z glebius $ */ 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> 34257176Sglebius#include <net/if_var.h> 35191983Sweongyo#include <net/if_arp.h> 36191983Sweongyo#include <net/ethernet.h> 37191983Sweongyo#include <net/if_dl.h> 38191983Sweongyo#include <net/if_media.h> 39191983Sweongyo#include <net/if_types.h> 40191983Sweongyo 41191983Sweongyo#include <sys/bus.h> 42191983Sweongyo#include <machine/bus.h> 43191983Sweongyo 44191983Sweongyo#include <net80211/ieee80211_var.h> 45191983Sweongyo#include <net80211/ieee80211_phy.h> 46191983Sweongyo#include <net80211/ieee80211_radiotap.h> 47191983Sweongyo#include <net80211/ieee80211_regdomain.h> 48191983Sweongyo 49191983Sweongyo#include <net/bpf.h> 50191983Sweongyo 51191983Sweongyo#include <dev/usb/usb.h> 52194677Sthompsa#include <dev/usb/usbdi.h> 53191983Sweongyo#include "usbdevs.h" 54191983Sweongyo 55191983Sweongyo#include <dev/usb/wlan/if_upgtvar.h> 56191983Sweongyo 57191983Sweongyo/* 58191983Sweongyo * Driver for the USB PrismGT devices. 59191983Sweongyo * 60191983Sweongyo * For now just USB 2.0 devices with the GW3887 chipset are supported. 61191983Sweongyo * The driver has been written based on the firmware version 2.13.1.0_LM87. 62191983Sweongyo * 63191983Sweongyo * TODO's: 64191983Sweongyo * - MONITOR mode test. 65191983Sweongyo * - Add HOSTAP mode. 66191983Sweongyo * - Add IBSS mode. 67191983Sweongyo * - Support the USB 1.0 devices (NET2280, ISL3880, ISL3886 chipsets). 68191983Sweongyo * 69191983Sweongyo * Parts of this driver has been influenced by reading the p54u driver 70191983Sweongyo * written by Jean-Baptiste Note <jean-baptiste.note@m4x.org> and 71191983Sweongyo * Sebastien Bourdeauducq <lekernel@prism54.org>. 72191983Sweongyo */ 73191983Sweongyo 74227309Sedstatic SYSCTL_NODE(_hw, OID_AUTO, upgt, CTLFLAG_RD, 0, 75191983Sweongyo "USB PrismGT GW3887 driver parameters"); 76191983Sweongyo 77191983Sweongyo#ifdef UPGT_DEBUG 78191983Sweongyoint upgt_debug = 0; 79242126ShselaskySYSCTL_INT(_hw_upgt, OID_AUTO, debug, CTLFLAG_RW | CTLFLAG_TUN, &upgt_debug, 80191983Sweongyo 0, "control debugging printfs"); 81191983SweongyoTUNABLE_INT("hw.upgt.debug", &upgt_debug); 82191983Sweongyoenum { 83191983Sweongyo UPGT_DEBUG_XMIT = 0x00000001, /* basic xmit operation */ 84191983Sweongyo UPGT_DEBUG_RECV = 0x00000002, /* basic recv operation */ 85191983Sweongyo UPGT_DEBUG_RESET = 0x00000004, /* reset processing */ 86191983Sweongyo UPGT_DEBUG_INTR = 0x00000008, /* INTR */ 87191983Sweongyo UPGT_DEBUG_TX_PROC = 0x00000010, /* tx ISR proc */ 88191983Sweongyo UPGT_DEBUG_RX_PROC = 0x00000020, /* rx ISR proc */ 89191983Sweongyo UPGT_DEBUG_STATE = 0x00000040, /* 802.11 state transitions */ 90191983Sweongyo UPGT_DEBUG_STAT = 0x00000080, /* statistic */ 91191983Sweongyo UPGT_DEBUG_FW = 0x00000100, /* firmware */ 92191983Sweongyo UPGT_DEBUG_ANY = 0xffffffff 93191983Sweongyo}; 94191983Sweongyo#define DPRINTF(sc, m, fmt, ...) do { \ 95191983Sweongyo if (sc->sc_debug & (m)) \ 96191983Sweongyo printf(fmt, __VA_ARGS__); \ 97191983Sweongyo} while (0) 98191983Sweongyo#else 99191983Sweongyo#define DPRINTF(sc, m, fmt, ...) do { \ 100191983Sweongyo (void) sc; \ 101191983Sweongyo} while (0) 102191983Sweongyo#endif 103191983Sweongyo 104191983Sweongyo/* 105191983Sweongyo * Prototypes. 106191983Sweongyo */ 107191983Sweongyostatic device_probe_t upgt_match; 108191983Sweongyostatic device_attach_t upgt_attach; 109191983Sweongyostatic device_detach_t upgt_detach; 110191983Sweongyostatic int upgt_alloc_tx(struct upgt_softc *); 111191983Sweongyostatic int upgt_alloc_rx(struct upgt_softc *); 112191983Sweongyostatic int upgt_device_reset(struct upgt_softc *); 113191983Sweongyostatic void upgt_bulk_tx(struct upgt_softc *, struct upgt_data *); 114191983Sweongyostatic int upgt_fw_verify(struct upgt_softc *); 115191983Sweongyostatic int upgt_mem_init(struct upgt_softc *); 116191983Sweongyostatic int upgt_fw_load(struct upgt_softc *); 117191983Sweongyostatic int upgt_fw_copy(const uint8_t *, char *, int); 118191983Sweongyostatic uint32_t upgt_crc32_le(const void *, size_t); 119191983Sweongyostatic struct mbuf * 120192984Sthompsa upgt_rxeof(struct usb_xfer *, struct upgt_data *, int *); 121191983Sweongyostatic struct mbuf * 122191983Sweongyo upgt_rx(struct upgt_softc *, uint8_t *, int, int *); 123192984Sthompsastatic void upgt_txeof(struct usb_xfer *, struct upgt_data *); 124191983Sweongyostatic int upgt_eeprom_read(struct upgt_softc *); 125191983Sweongyostatic int upgt_eeprom_parse(struct upgt_softc *); 126191983Sweongyostatic void upgt_eeprom_parse_hwrx(struct upgt_softc *, uint8_t *); 127191983Sweongyostatic void upgt_eeprom_parse_freq3(struct upgt_softc *, uint8_t *, int); 128191983Sweongyostatic void upgt_eeprom_parse_freq4(struct upgt_softc *, uint8_t *, int); 129191983Sweongyostatic void upgt_eeprom_parse_freq6(struct upgt_softc *, uint8_t *, int); 130191983Sweongyostatic uint32_t upgt_chksum_le(const uint32_t *, size_t); 131191983Sweongyostatic void upgt_tx_done(struct upgt_softc *, uint8_t *); 132191983Sweongyostatic void upgt_init(void *); 133191983Sweongyostatic void upgt_init_locked(struct upgt_softc *); 134191983Sweongyostatic int upgt_ioctl(struct ifnet *, u_long, caddr_t); 135191983Sweongyostatic void upgt_start(struct ifnet *); 136191983Sweongyostatic int upgt_raw_xmit(struct ieee80211_node *, struct mbuf *, 137191983Sweongyo const struct ieee80211_bpf_params *); 138191983Sweongyostatic void upgt_scan_start(struct ieee80211com *); 139191983Sweongyostatic void upgt_scan_end(struct ieee80211com *); 140191983Sweongyostatic void upgt_set_channel(struct ieee80211com *); 141191983Sweongyostatic struct ieee80211vap *upgt_vap_create(struct ieee80211com *, 142228621Sbschmidt const char [IFNAMSIZ], int, enum ieee80211_opmode, int, 143228621Sbschmidt const uint8_t [IEEE80211_ADDR_LEN], 144228621Sbschmidt const uint8_t [IEEE80211_ADDR_LEN]); 145191983Sweongyostatic void upgt_vap_delete(struct ieee80211vap *); 146191983Sweongyostatic void upgt_update_mcast(struct ifnet *); 147191983Sweongyostatic uint8_t upgt_rx_rate(struct upgt_softc *, const int); 148191983Sweongyostatic void upgt_set_multi(void *); 149191983Sweongyostatic void upgt_stop(struct upgt_softc *); 150191983Sweongyostatic void upgt_setup_rates(struct ieee80211vap *, struct ieee80211com *); 151191983Sweongyostatic int upgt_set_macfilter(struct upgt_softc *, uint8_t); 152191983Sweongyostatic int upgt_newstate(struct ieee80211vap *, enum ieee80211_state, int); 153191983Sweongyostatic void upgt_set_chan(struct upgt_softc *, struct ieee80211_channel *); 154191983Sweongyostatic void upgt_set_led(struct upgt_softc *, int); 155191983Sweongyostatic void upgt_set_led_blink(void *); 156191983Sweongyostatic void upgt_get_stats(struct upgt_softc *); 157191983Sweongyostatic void upgt_mem_free(struct upgt_softc *, uint32_t); 158191983Sweongyostatic uint32_t upgt_mem_alloc(struct upgt_softc *); 159191983Sweongyostatic void upgt_free_tx(struct upgt_softc *); 160191983Sweongyostatic void upgt_free_rx(struct upgt_softc *); 161191983Sweongyostatic void upgt_watchdog(void *); 162191983Sweongyostatic void upgt_abort_xfers(struct upgt_softc *); 163191983Sweongyostatic void upgt_abort_xfers_locked(struct upgt_softc *); 164191983Sweongyostatic void upgt_sysctl_node(struct upgt_softc *); 165191983Sweongyostatic struct upgt_data * 166191983Sweongyo upgt_getbuf(struct upgt_softc *); 167191983Sweongyostatic struct upgt_data * 168191983Sweongyo upgt_gettxbuf(struct upgt_softc *); 169191983Sweongyostatic int upgt_tx_start(struct upgt_softc *, struct mbuf *, 170191983Sweongyo struct ieee80211_node *, struct upgt_data *); 171191983Sweongyo 172191983Sweongyostatic const char *upgt_fwname = "upgt-gw3887"; 173191983Sweongyo 174223486Shselaskystatic const STRUCT_USB_HOST_ID upgt_devs[] = { 175191983Sweongyo#define UPGT_DEV(v,p) { USB_VP(USB_VENDOR_##v, USB_PRODUCT_##v##_##p) } 176191983Sweongyo /* version 2 devices */ 177191983Sweongyo UPGT_DEV(ACCTON, PRISM_GT), 178191983Sweongyo UPGT_DEV(BELKIN, F5D7050), 179191983Sweongyo UPGT_DEV(CISCOLINKSYS, WUSB54AG), 180191983Sweongyo UPGT_DEV(CONCEPTRONIC, PRISM_GT), 181191983Sweongyo UPGT_DEV(DELL, PRISM_GT_1), 182191983Sweongyo UPGT_DEV(DELL, PRISM_GT_2), 183191983Sweongyo UPGT_DEV(FSC, E5400), 184191983Sweongyo UPGT_DEV(GLOBESPAN, PRISM_GT_1), 185191983Sweongyo UPGT_DEV(GLOBESPAN, PRISM_GT_2), 186213804Shselasky UPGT_DEV(NETGEAR, WG111V2_2), 187191983Sweongyo UPGT_DEV(INTERSIL, PRISM_GT), 188191983Sweongyo UPGT_DEV(SMC, 2862WG), 189209447Sthompsa UPGT_DEV(USR, USR5422), 190191983Sweongyo UPGT_DEV(WISTRONNEWEB, UR045G), 191191983Sweongyo UPGT_DEV(XYRATEX, PRISM_GT_1), 192191983Sweongyo UPGT_DEV(XYRATEX, PRISM_GT_2), 193191983Sweongyo UPGT_DEV(ZCOM, XG703A), 194191983Sweongyo UPGT_DEV(ZCOM, XM142) 195191983Sweongyo}; 196191983Sweongyo 197193045Sthompsastatic usb_callback_t upgt_bulk_rx_callback; 198193045Sthompsastatic usb_callback_t upgt_bulk_tx_callback; 199191983Sweongyo 200192984Sthompsastatic const struct usb_config upgt_config[UPGT_N_XFERS] = { 201191983Sweongyo [UPGT_BULK_TX] = { 202191983Sweongyo .type = UE_BULK, 203191983Sweongyo .endpoint = UE_ADDR_ANY, 204191983Sweongyo .direction = UE_DIR_OUT, 205244503Shselasky .bufsize = MCLBYTES * UPGT_TX_MAXCOUNT, 206191983Sweongyo .flags = { 207191983Sweongyo .force_short_xfer = 1, 208191983Sweongyo .pipe_bof = 1 209191983Sweongyo }, 210191983Sweongyo .callback = upgt_bulk_tx_callback, 211191983Sweongyo .timeout = UPGT_USB_TIMEOUT, /* ms */ 212191983Sweongyo }, 213191983Sweongyo [UPGT_BULK_RX] = { 214191983Sweongyo .type = UE_BULK, 215191983Sweongyo .endpoint = UE_ADDR_ANY, 216191983Sweongyo .direction = UE_DIR_IN, 217244503Shselasky .bufsize = MCLBYTES * UPGT_RX_MAXCOUNT, 218191983Sweongyo .flags = { 219191983Sweongyo .pipe_bof = 1, 220191983Sweongyo .short_xfer_ok = 1 221191983Sweongyo }, 222191983Sweongyo .callback = upgt_bulk_rx_callback, 223191983Sweongyo }, 224191983Sweongyo}; 225191983Sweongyo 226191983Sweongyostatic int 227191983Sweongyoupgt_match(device_t dev) 228191983Sweongyo{ 229192984Sthompsa struct usb_attach_arg *uaa = device_get_ivars(dev); 230191983Sweongyo 231192499Sthompsa if (uaa->usb_mode != USB_MODE_HOST) 232191983Sweongyo return (ENXIO); 233191983Sweongyo if (uaa->info.bConfigIndex != UPGT_CONFIG_INDEX) 234191983Sweongyo return (ENXIO); 235191983Sweongyo if (uaa->info.bIfaceIndex != UPGT_IFACE_INDEX) 236191983Sweongyo return (ENXIO); 237191983Sweongyo 238223486Shselasky return (usbd_lookup_id_by_uaa(upgt_devs, sizeof(upgt_devs), uaa)); 239191983Sweongyo} 240191983Sweongyo 241191983Sweongyostatic int 242191983Sweongyoupgt_attach(device_t dev) 243191983Sweongyo{ 244191983Sweongyo int error; 245191983Sweongyo struct ieee80211com *ic; 246191983Sweongyo struct ifnet *ifp; 247191983Sweongyo struct upgt_softc *sc = device_get_softc(dev); 248192984Sthompsa struct usb_attach_arg *uaa = device_get_ivars(dev); 249191983Sweongyo uint8_t bands, iface_index = UPGT_IFACE_INDEX; 250191983Sweongyo 251191983Sweongyo sc->sc_dev = dev; 252191983Sweongyo sc->sc_udev = uaa->device; 253191983Sweongyo#ifdef UPGT_DEBUG 254191983Sweongyo sc->sc_debug = upgt_debug; 255191983Sweongyo#endif 256194228Sthompsa device_set_usb_desc(dev); 257191983Sweongyo 258191983Sweongyo mtx_init(&sc->sc_mtx, device_get_nameunit(sc->sc_dev), MTX_NETWORK_LOCK, 259191983Sweongyo MTX_DEF); 260191983Sweongyo callout_init(&sc->sc_led_ch, 0); 261191983Sweongyo callout_init(&sc->sc_watchdog_ch, 0); 262191983Sweongyo 263194228Sthompsa error = usbd_transfer_setup(uaa->device, &iface_index, sc->sc_xfer, 264191983Sweongyo upgt_config, UPGT_N_XFERS, sc, &sc->sc_mtx); 265191983Sweongyo if (error) { 266191983Sweongyo device_printf(dev, "could not allocate USB transfers, " 267194228Sthompsa "err=%s\n", usbd_errstr(error)); 268246565Shselasky goto fail1; 269191983Sweongyo } 270191983Sweongyo 271244503Shselasky sc->sc_rx_dma_buf = usbd_xfer_get_frame_buffer( 272244503Shselasky sc->sc_xfer[UPGT_BULK_RX], 0); 273244503Shselasky sc->sc_tx_dma_buf = usbd_xfer_get_frame_buffer( 274244503Shselasky sc->sc_xfer[UPGT_BULK_TX], 0); 275244503Shselasky 276246565Shselasky /* Setup TX and RX buffers */ 277246565Shselasky error = upgt_alloc_tx(sc); 278246565Shselasky if (error) 279246565Shselasky goto fail2; 280246565Shselasky error = upgt_alloc_rx(sc); 281246565Shselasky if (error) 282246565Shselasky goto fail3; 283246565Shselasky 284191983Sweongyo ifp = sc->sc_ifp = if_alloc(IFT_IEEE80211); 285191983Sweongyo if (ifp == NULL) { 286191983Sweongyo device_printf(dev, "can not if_alloc()\n"); 287191983Sweongyo goto fail4; 288191983Sweongyo } 289191983Sweongyo 290191983Sweongyo /* Initialize the device. */ 291191983Sweongyo error = upgt_device_reset(sc); 292191983Sweongyo if (error) 293191983Sweongyo goto fail5; 294191983Sweongyo /* Verify the firmware. */ 295191983Sweongyo error = upgt_fw_verify(sc); 296191983Sweongyo if (error) 297191983Sweongyo goto fail5; 298191983Sweongyo /* Calculate device memory space. */ 299191983Sweongyo if (sc->sc_memaddr_frame_start == 0 || sc->sc_memaddr_frame_end == 0) { 300191983Sweongyo device_printf(dev, 301199816Sthompsa "could not find memory space addresses on FW\n"); 302191983Sweongyo error = EIO; 303191983Sweongyo goto fail5; 304191983Sweongyo } 305191983Sweongyo sc->sc_memaddr_frame_end -= UPGT_MEMSIZE_RX + 1; 306191983Sweongyo sc->sc_memaddr_rx_start = sc->sc_memaddr_frame_end + 1; 307191983Sweongyo 308191983Sweongyo DPRINTF(sc, UPGT_DEBUG_FW, "memory address frame start=0x%08x\n", 309191983Sweongyo sc->sc_memaddr_frame_start); 310191983Sweongyo DPRINTF(sc, UPGT_DEBUG_FW, "memory address frame end=0x%08x\n", 311191983Sweongyo sc->sc_memaddr_frame_end); 312191983Sweongyo DPRINTF(sc, UPGT_DEBUG_FW, "memory address rx start=0x%08x\n", 313191983Sweongyo sc->sc_memaddr_rx_start); 314191983Sweongyo 315191983Sweongyo upgt_mem_init(sc); 316191983Sweongyo 317191983Sweongyo /* Load the firmware. */ 318191983Sweongyo error = upgt_fw_load(sc); 319191983Sweongyo if (error) 320191983Sweongyo goto fail5; 321191983Sweongyo 322191983Sweongyo /* Read the whole EEPROM content and parse it. */ 323191983Sweongyo error = upgt_eeprom_read(sc); 324191983Sweongyo if (error) 325191983Sweongyo goto fail5; 326191983Sweongyo error = upgt_eeprom_parse(sc); 327191983Sweongyo if (error) 328191983Sweongyo goto fail5; 329191983Sweongyo 330191983Sweongyo /* all works related with the device have done here. */ 331191983Sweongyo upgt_abort_xfers(sc); 332191983Sweongyo 333191983Sweongyo /* Setup the 802.11 device. */ 334191983Sweongyo ifp->if_softc = sc; 335191983Sweongyo if_initname(ifp, "upgt", device_get_unit(sc->sc_dev)); 336191983Sweongyo ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST; 337191983Sweongyo ifp->if_init = upgt_init; 338191983Sweongyo ifp->if_ioctl = upgt_ioctl; 339191983Sweongyo ifp->if_start = upgt_start; 340207554Ssobomax IFQ_SET_MAXLEN(&ifp->if_snd, ifqmaxlen); 341191983Sweongyo IFQ_SET_READY(&ifp->if_snd); 342191983Sweongyo 343191983Sweongyo ic = ifp->if_l2com; 344191983Sweongyo ic->ic_ifp = ifp; 345191983Sweongyo ic->ic_phytype = IEEE80211_T_OFDM; /* not only, but not used */ 346191983Sweongyo ic->ic_opmode = IEEE80211_M_STA; 347191983Sweongyo /* set device capabilities */ 348191983Sweongyo ic->ic_caps = 349191983Sweongyo IEEE80211_C_STA /* station mode */ 350191983Sweongyo | IEEE80211_C_MONITOR /* monitor mode */ 351191983Sweongyo | IEEE80211_C_SHPREAMBLE /* short preamble supported */ 352191983Sweongyo | IEEE80211_C_SHSLOT /* short slot time supported */ 353191983Sweongyo | IEEE80211_C_BGSCAN /* capable of bg scanning */ 354191983Sweongyo | IEEE80211_C_WPA /* 802.11i */ 355191983Sweongyo ; 356191983Sweongyo 357191983Sweongyo bands = 0; 358191983Sweongyo setbit(&bands, IEEE80211_MODE_11B); 359191983Sweongyo setbit(&bands, IEEE80211_MODE_11G); 360191983Sweongyo ieee80211_init_channels(ic, NULL, &bands); 361191983Sweongyo 362191983Sweongyo ieee80211_ifattach(ic, sc->sc_myaddr); 363191983Sweongyo ic->ic_raw_xmit = upgt_raw_xmit; 364191983Sweongyo ic->ic_scan_start = upgt_scan_start; 365191983Sweongyo ic->ic_scan_end = upgt_scan_end; 366191983Sweongyo ic->ic_set_channel = upgt_set_channel; 367191983Sweongyo 368191983Sweongyo ic->ic_vap_create = upgt_vap_create; 369191983Sweongyo ic->ic_vap_delete = upgt_vap_delete; 370191983Sweongyo ic->ic_update_mcast = upgt_update_mcast; 371191983Sweongyo 372192468Ssam ieee80211_radiotap_attach(ic, 373192468Ssam &sc->sc_txtap.wt_ihdr, sizeof(sc->sc_txtap), 374192468Ssam UPGT_TX_RADIOTAP_PRESENT, 375192468Ssam &sc->sc_rxtap.wr_ihdr, sizeof(sc->sc_rxtap), 376192468Ssam UPGT_RX_RADIOTAP_PRESENT); 377191983Sweongyo 378191983Sweongyo upgt_sysctl_node(sc); 379191983Sweongyo 380191983Sweongyo if (bootverbose) 381191983Sweongyo ieee80211_announce(ic); 382191983Sweongyo 383191983Sweongyo return (0); 384191983Sweongyo 385191983Sweongyofail5: if_free(ifp); 386246565Shselaskyfail4: upgt_free_rx(sc); 387246565Shselaskyfail3: upgt_free_tx(sc); 388246565Shselaskyfail2: usbd_transfer_unsetup(sc->sc_xfer, UPGT_N_XFERS); 389191983Sweongyofail1: mtx_destroy(&sc->sc_mtx); 390191983Sweongyo 391191983Sweongyo return (error); 392191983Sweongyo} 393191983Sweongyo 394191983Sweongyostatic void 395192984Sthompsaupgt_txeof(struct usb_xfer *xfer, struct upgt_data *data) 396191983Sweongyo{ 397194677Sthompsa struct upgt_softc *sc = usbd_xfer_softc(xfer); 398191983Sweongyo struct ifnet *ifp = sc->sc_ifp; 399191983Sweongyo struct mbuf *m; 400191983Sweongyo 401191983Sweongyo UPGT_ASSERT_LOCKED(sc); 402191983Sweongyo 403191983Sweongyo /* 404191983Sweongyo * Do any tx complete callback. Note this must be done before releasing 405191983Sweongyo * the node reference. 406191983Sweongyo */ 407191983Sweongyo if (data->m) { 408191983Sweongyo m = data->m; 409191983Sweongyo if (m->m_flags & M_TXCB) { 410191983Sweongyo /* XXX status? */ 411191983Sweongyo ieee80211_process_callback(data->ni, m, 0); 412191983Sweongyo } 413191983Sweongyo m_freem(m); 414191983Sweongyo data->m = NULL; 415191983Sweongyo } 416191983Sweongyo if (data->ni) { 417191983Sweongyo ieee80211_free_node(data->ni); 418191983Sweongyo data->ni = NULL; 419191983Sweongyo } 420191983Sweongyo ifp->if_opackets++; 421191983Sweongyo} 422191983Sweongyo 423191983Sweongyostatic void 424191983Sweongyoupgt_get_stats(struct upgt_softc *sc) 425191983Sweongyo{ 426191983Sweongyo struct upgt_data *data_cmd; 427191983Sweongyo struct upgt_lmac_mem *mem; 428191983Sweongyo struct upgt_lmac_stats *stats; 429191983Sweongyo 430191983Sweongyo data_cmd = upgt_getbuf(sc); 431191983Sweongyo if (data_cmd == NULL) { 432191983Sweongyo device_printf(sc->sc_dev, "%s: out of buffer.\n", __func__); 433191983Sweongyo return; 434191983Sweongyo } 435191983Sweongyo 436191983Sweongyo /* 437191983Sweongyo * Transmit the URB containing the CMD data. 438191983Sweongyo */ 439227461Shselasky memset(data_cmd->buf, 0, MCLBYTES); 440191983Sweongyo 441191983Sweongyo mem = (struct upgt_lmac_mem *)data_cmd->buf; 442191983Sweongyo mem->addr = htole32(sc->sc_memaddr_frame_start + 443191983Sweongyo UPGT_MEMSIZE_FRAME_HEAD); 444191983Sweongyo 445191983Sweongyo stats = (struct upgt_lmac_stats *)(mem + 1); 446191983Sweongyo 447191983Sweongyo stats->header1.flags = 0; 448191983Sweongyo stats->header1.type = UPGT_H1_TYPE_CTRL; 449191983Sweongyo stats->header1.len = htole16( 450191983Sweongyo sizeof(struct upgt_lmac_stats) - sizeof(struct upgt_lmac_header)); 451191983Sweongyo 452191983Sweongyo stats->header2.reqid = htole32(sc->sc_memaddr_frame_start); 453191983Sweongyo stats->header2.type = htole16(UPGT_H2_TYPE_STATS); 454191983Sweongyo stats->header2.flags = 0; 455191983Sweongyo 456191983Sweongyo data_cmd->buflen = sizeof(*mem) + sizeof(*stats); 457191983Sweongyo 458191983Sweongyo mem->chksum = upgt_chksum_le((uint32_t *)stats, 459191983Sweongyo data_cmd->buflen - sizeof(*mem)); 460191983Sweongyo 461191983Sweongyo upgt_bulk_tx(sc, data_cmd); 462191983Sweongyo} 463191983Sweongyo 464191983Sweongyostatic int 465191983Sweongyoupgt_ioctl(struct ifnet *ifp, u_long cmd, caddr_t data) 466191983Sweongyo{ 467191983Sweongyo struct upgt_softc *sc = ifp->if_softc; 468191983Sweongyo struct ieee80211com *ic = ifp->if_l2com; 469191983Sweongyo struct ifreq *ifr = (struct ifreq *) data; 470246614Shselasky int error; 471246614Shselasky int startall = 0; 472191983Sweongyo 473246614Shselasky UPGT_LOCK(sc); 474246614Shselasky error = (sc->sc_flags & UPGT_FLAG_DETACHED) ? ENXIO : 0; 475246614Shselasky UPGT_UNLOCK(sc); 476246614Shselasky if (error) 477246614Shselasky return (error); 478246614Shselasky 479191983Sweongyo switch (cmd) { 480191983Sweongyo case SIOCSIFFLAGS: 481191983Sweongyo if (ifp->if_flags & IFF_UP) { 482191983Sweongyo if (ifp->if_drv_flags & IFF_DRV_RUNNING) { 483191983Sweongyo if ((ifp->if_flags ^ sc->sc_if_flags) & 484191983Sweongyo (IFF_ALLMULTI | IFF_PROMISC)) 485191983Sweongyo upgt_set_multi(sc); 486191983Sweongyo } else { 487191983Sweongyo upgt_init(sc); 488191983Sweongyo startall = 1; 489191983Sweongyo } 490191983Sweongyo } else { 491191983Sweongyo if (ifp->if_drv_flags & IFF_DRV_RUNNING) 492191983Sweongyo upgt_stop(sc); 493191983Sweongyo } 494191983Sweongyo sc->sc_if_flags = ifp->if_flags; 495191983Sweongyo if (startall) 496191983Sweongyo ieee80211_start_all(ic); 497191983Sweongyo break; 498191983Sweongyo case SIOCGIFMEDIA: 499191983Sweongyo error = ifmedia_ioctl(ifp, ifr, &ic->ic_media, cmd); 500191983Sweongyo break; 501191983Sweongyo case SIOCGIFADDR: 502191983Sweongyo error = ether_ioctl(ifp, cmd, data); 503191983Sweongyo break; 504191983Sweongyo default: 505191983Sweongyo error = EINVAL; 506191983Sweongyo break; 507191983Sweongyo } 508191983Sweongyo return error; 509191983Sweongyo} 510191983Sweongyo 511191983Sweongyostatic void 512191983Sweongyoupgt_stop_locked(struct upgt_softc *sc) 513191983Sweongyo{ 514191983Sweongyo struct ifnet *ifp = sc->sc_ifp; 515191983Sweongyo 516191983Sweongyo UPGT_ASSERT_LOCKED(sc); 517191983Sweongyo 518191983Sweongyo if (ifp->if_drv_flags & IFF_DRV_RUNNING) 519191983Sweongyo upgt_set_macfilter(sc, IEEE80211_S_INIT); 520191983Sweongyo upgt_abort_xfers_locked(sc); 521191983Sweongyo} 522191983Sweongyo 523191983Sweongyostatic void 524191983Sweongyoupgt_stop(struct upgt_softc *sc) 525191983Sweongyo{ 526191983Sweongyo struct ifnet *ifp = sc->sc_ifp; 527191983Sweongyo 528191983Sweongyo UPGT_LOCK(sc); 529191983Sweongyo upgt_stop_locked(sc); 530191983Sweongyo UPGT_UNLOCK(sc); 531191983Sweongyo 532191983Sweongyo /* device down */ 533191983Sweongyo sc->sc_tx_timer = 0; 534191983Sweongyo ifp->if_drv_flags &= ~(IFF_DRV_RUNNING | IFF_DRV_OACTIVE); 535191983Sweongyo sc->sc_flags &= ~UPGT_FLAG_INITDONE; 536191983Sweongyo} 537191983Sweongyo 538191983Sweongyostatic void 539191983Sweongyoupgt_set_led(struct upgt_softc *sc, int action) 540191983Sweongyo{ 541191983Sweongyo struct upgt_data *data_cmd; 542191983Sweongyo struct upgt_lmac_mem *mem; 543191983Sweongyo struct upgt_lmac_led *led; 544191983Sweongyo 545191983Sweongyo data_cmd = upgt_getbuf(sc); 546191983Sweongyo if (data_cmd == NULL) { 547191983Sweongyo device_printf(sc->sc_dev, "%s: out of buffers.\n", __func__); 548191983Sweongyo return; 549191983Sweongyo } 550191983Sweongyo 551191983Sweongyo /* 552191983Sweongyo * Transmit the URB containing the CMD data. 553191983Sweongyo */ 554227461Shselasky memset(data_cmd->buf, 0, MCLBYTES); 555191983Sweongyo 556191983Sweongyo mem = (struct upgt_lmac_mem *)data_cmd->buf; 557191983Sweongyo mem->addr = htole32(sc->sc_memaddr_frame_start + 558191983Sweongyo UPGT_MEMSIZE_FRAME_HEAD); 559191983Sweongyo 560191983Sweongyo led = (struct upgt_lmac_led *)(mem + 1); 561191983Sweongyo 562191983Sweongyo led->header1.flags = UPGT_H1_FLAGS_TX_NO_CALLBACK; 563191983Sweongyo led->header1.type = UPGT_H1_TYPE_CTRL; 564191983Sweongyo led->header1.len = htole16( 565191983Sweongyo sizeof(struct upgt_lmac_led) - 566191983Sweongyo sizeof(struct upgt_lmac_header)); 567191983Sweongyo 568191983Sweongyo led->header2.reqid = htole32(sc->sc_memaddr_frame_start); 569191983Sweongyo led->header2.type = htole16(UPGT_H2_TYPE_LED); 570191983Sweongyo led->header2.flags = 0; 571191983Sweongyo 572191983Sweongyo switch (action) { 573191983Sweongyo case UPGT_LED_OFF: 574191983Sweongyo led->mode = htole16(UPGT_LED_MODE_SET); 575191983Sweongyo led->action_fix = 0; 576191983Sweongyo led->action_tmp = htole16(UPGT_LED_ACTION_OFF); 577191983Sweongyo led->action_tmp_dur = 0; 578191983Sweongyo break; 579191983Sweongyo case UPGT_LED_ON: 580191983Sweongyo led->mode = htole16(UPGT_LED_MODE_SET); 581191983Sweongyo led->action_fix = 0; 582191983Sweongyo led->action_tmp = htole16(UPGT_LED_ACTION_ON); 583191983Sweongyo led->action_tmp_dur = 0; 584191983Sweongyo break; 585191983Sweongyo case UPGT_LED_BLINK: 586191983Sweongyo if (sc->sc_state != IEEE80211_S_RUN) { 587191983Sweongyo STAILQ_INSERT_TAIL(&sc->sc_tx_inactive, data_cmd, next); 588191983Sweongyo return; 589191983Sweongyo } 590191983Sweongyo if (sc->sc_led_blink) { 591191983Sweongyo /* previous blink was not finished */ 592191983Sweongyo STAILQ_INSERT_TAIL(&sc->sc_tx_inactive, data_cmd, next); 593191983Sweongyo return; 594191983Sweongyo } 595191983Sweongyo led->mode = htole16(UPGT_LED_MODE_SET); 596191983Sweongyo led->action_fix = htole16(UPGT_LED_ACTION_OFF); 597191983Sweongyo led->action_tmp = htole16(UPGT_LED_ACTION_ON); 598191983Sweongyo led->action_tmp_dur = htole16(UPGT_LED_ACTION_TMP_DUR); 599191983Sweongyo /* lock blink */ 600191983Sweongyo sc->sc_led_blink = 1; 601191983Sweongyo callout_reset(&sc->sc_led_ch, hz, upgt_set_led_blink, sc); 602191983Sweongyo break; 603191983Sweongyo default: 604191983Sweongyo STAILQ_INSERT_TAIL(&sc->sc_tx_inactive, data_cmd, next); 605191983Sweongyo return; 606191983Sweongyo } 607191983Sweongyo 608191983Sweongyo data_cmd->buflen = sizeof(*mem) + sizeof(*led); 609191983Sweongyo 610191983Sweongyo mem->chksum = upgt_chksum_le((uint32_t *)led, 611191983Sweongyo data_cmd->buflen - sizeof(*mem)); 612191983Sweongyo 613191983Sweongyo upgt_bulk_tx(sc, data_cmd); 614191983Sweongyo} 615191983Sweongyo 616191983Sweongyostatic void 617191983Sweongyoupgt_set_led_blink(void *arg) 618191983Sweongyo{ 619191983Sweongyo struct upgt_softc *sc = arg; 620191983Sweongyo 621191983Sweongyo /* blink finished, we are ready for a next one */ 622191983Sweongyo sc->sc_led_blink = 0; 623191983Sweongyo} 624191983Sweongyo 625191983Sweongyostatic void 626191983Sweongyoupgt_init(void *priv) 627191983Sweongyo{ 628191983Sweongyo struct upgt_softc *sc = priv; 629191983Sweongyo struct ifnet *ifp = sc->sc_ifp; 630191983Sweongyo struct ieee80211com *ic = ifp->if_l2com; 631191983Sweongyo 632191983Sweongyo UPGT_LOCK(sc); 633191983Sweongyo upgt_init_locked(sc); 634191983Sweongyo UPGT_UNLOCK(sc); 635191983Sweongyo 636191983Sweongyo if (ifp->if_drv_flags & IFF_DRV_RUNNING) 637191983Sweongyo ieee80211_start_all(ic); /* start all vap's */ 638191983Sweongyo} 639191983Sweongyo 640191983Sweongyostatic void 641191983Sweongyoupgt_init_locked(struct upgt_softc *sc) 642191983Sweongyo{ 643191983Sweongyo struct ifnet *ifp = sc->sc_ifp; 644191983Sweongyo 645191983Sweongyo UPGT_ASSERT_LOCKED(sc); 646191983Sweongyo 647191983Sweongyo if (ifp->if_drv_flags & IFF_DRV_RUNNING) 648191983Sweongyo upgt_stop_locked(sc); 649191983Sweongyo 650194228Sthompsa usbd_transfer_start(sc->sc_xfer[UPGT_BULK_RX]); 651191983Sweongyo 652191983Sweongyo (void)upgt_set_macfilter(sc, IEEE80211_S_SCAN); 653191983Sweongyo 654191983Sweongyo ifp->if_drv_flags &= ~IFF_DRV_OACTIVE; 655191983Sweongyo ifp->if_drv_flags |= IFF_DRV_RUNNING; 656191983Sweongyo sc->sc_flags |= UPGT_FLAG_INITDONE; 657191983Sweongyo 658191983Sweongyo callout_reset(&sc->sc_watchdog_ch, hz, upgt_watchdog, sc); 659191983Sweongyo} 660191983Sweongyo 661191983Sweongyostatic int 662191983Sweongyoupgt_set_macfilter(struct upgt_softc *sc, uint8_t state) 663191983Sweongyo{ 664191983Sweongyo struct ifnet *ifp = sc->sc_ifp; 665191983Sweongyo struct ieee80211com *ic = ifp->if_l2com; 666191983Sweongyo struct ieee80211vap *vap = TAILQ_FIRST(&ic->ic_vaps); 667212131Sthompsa struct ieee80211_node *ni; 668191983Sweongyo struct upgt_data *data_cmd; 669191983Sweongyo struct upgt_lmac_mem *mem; 670191983Sweongyo struct upgt_lmac_filter *filter; 671191983Sweongyo uint8_t broadcast[] = { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff }; 672191983Sweongyo 673191983Sweongyo UPGT_ASSERT_LOCKED(sc); 674191983Sweongyo 675191983Sweongyo data_cmd = upgt_getbuf(sc); 676191983Sweongyo if (data_cmd == NULL) { 677191983Sweongyo device_printf(sc->sc_dev, "out of TX buffers.\n"); 678191983Sweongyo return (ENOBUFS); 679191983Sweongyo } 680191983Sweongyo 681191983Sweongyo /* 682191983Sweongyo * Transmit the URB containing the CMD data. 683191983Sweongyo */ 684227461Shselasky memset(data_cmd->buf, 0, MCLBYTES); 685191983Sweongyo 686191983Sweongyo mem = (struct upgt_lmac_mem *)data_cmd->buf; 687191983Sweongyo mem->addr = htole32(sc->sc_memaddr_frame_start + 688191983Sweongyo UPGT_MEMSIZE_FRAME_HEAD); 689191983Sweongyo 690191983Sweongyo filter = (struct upgt_lmac_filter *)(mem + 1); 691191983Sweongyo 692191983Sweongyo filter->header1.flags = UPGT_H1_FLAGS_TX_NO_CALLBACK; 693191983Sweongyo filter->header1.type = UPGT_H1_TYPE_CTRL; 694191983Sweongyo filter->header1.len = htole16( 695191983Sweongyo sizeof(struct upgt_lmac_filter) - 696191983Sweongyo sizeof(struct upgt_lmac_header)); 697191983Sweongyo 698191983Sweongyo filter->header2.reqid = htole32(sc->sc_memaddr_frame_start); 699191983Sweongyo filter->header2.type = htole16(UPGT_H2_TYPE_MACFILTER); 700191983Sweongyo filter->header2.flags = 0; 701191983Sweongyo 702191983Sweongyo switch (state) { 703191983Sweongyo case IEEE80211_S_INIT: 704191983Sweongyo DPRINTF(sc, UPGT_DEBUG_STATE, "%s: set MAC filter to INIT\n", 705191983Sweongyo __func__); 706191983Sweongyo filter->type = htole16(UPGT_FILTER_TYPE_RESET); 707191983Sweongyo break; 708191983Sweongyo case IEEE80211_S_SCAN: 709191983Sweongyo DPRINTF(sc, UPGT_DEBUG_STATE, 710191983Sweongyo "set MAC filter to SCAN (bssid %s)\n", 711191983Sweongyo ether_sprintf(broadcast)); 712191983Sweongyo filter->type = htole16(UPGT_FILTER_TYPE_NONE); 713191983Sweongyo IEEE80211_ADDR_COPY(filter->dst, sc->sc_myaddr); 714191983Sweongyo IEEE80211_ADDR_COPY(filter->src, broadcast); 715191983Sweongyo filter->unknown1 = htole16(UPGT_FILTER_UNKNOWN1); 716191983Sweongyo filter->rxaddr = htole32(sc->sc_memaddr_rx_start); 717191983Sweongyo filter->unknown2 = htole16(UPGT_FILTER_UNKNOWN2); 718191983Sweongyo filter->rxhw = htole32(sc->sc_eeprom_hwrx); 719191983Sweongyo filter->unknown3 = htole16(UPGT_FILTER_UNKNOWN3); 720191983Sweongyo break; 721191983Sweongyo case IEEE80211_S_RUN: 722212127Sthompsa ni = ieee80211_ref_node(vap->iv_bss); 723191983Sweongyo /* XXX monitor mode isn't tested yet. */ 724191983Sweongyo if (vap->iv_opmode == IEEE80211_M_MONITOR) { 725191983Sweongyo filter->type = htole16(UPGT_FILTER_TYPE_MONITOR); 726191983Sweongyo IEEE80211_ADDR_COPY(filter->dst, sc->sc_myaddr); 727191983Sweongyo IEEE80211_ADDR_COPY(filter->src, ni->ni_bssid); 728191983Sweongyo filter->unknown1 = htole16(UPGT_FILTER_MONITOR_UNKNOWN1); 729191983Sweongyo filter->rxaddr = htole32(sc->sc_memaddr_rx_start); 730191983Sweongyo filter->unknown2 = htole16(UPGT_FILTER_MONITOR_UNKNOWN2); 731191983Sweongyo filter->rxhw = htole32(sc->sc_eeprom_hwrx); 732191983Sweongyo filter->unknown3 = htole16(UPGT_FILTER_MONITOR_UNKNOWN3); 733191983Sweongyo } else { 734191983Sweongyo DPRINTF(sc, UPGT_DEBUG_STATE, 735191983Sweongyo "set MAC filter to RUN (bssid %s)\n", 736191983Sweongyo ether_sprintf(ni->ni_bssid)); 737191983Sweongyo filter->type = htole16(UPGT_FILTER_TYPE_STA); 738191983Sweongyo IEEE80211_ADDR_COPY(filter->dst, sc->sc_myaddr); 739191983Sweongyo IEEE80211_ADDR_COPY(filter->src, ni->ni_bssid); 740191983Sweongyo filter->unknown1 = htole16(UPGT_FILTER_UNKNOWN1); 741191983Sweongyo filter->rxaddr = htole32(sc->sc_memaddr_rx_start); 742191983Sweongyo filter->unknown2 = htole16(UPGT_FILTER_UNKNOWN2); 743191983Sweongyo filter->rxhw = htole32(sc->sc_eeprom_hwrx); 744191983Sweongyo filter->unknown3 = htole16(UPGT_FILTER_UNKNOWN3); 745191983Sweongyo } 746212127Sthompsa ieee80211_free_node(ni); 747191983Sweongyo break; 748191983Sweongyo default: 749191983Sweongyo device_printf(sc->sc_dev, 750199816Sthompsa "MAC filter does not know that state\n"); 751191983Sweongyo break; 752191983Sweongyo } 753191983Sweongyo 754191983Sweongyo data_cmd->buflen = sizeof(*mem) + sizeof(*filter); 755191983Sweongyo 756191983Sweongyo mem->chksum = upgt_chksum_le((uint32_t *)filter, 757191983Sweongyo data_cmd->buflen - sizeof(*mem)); 758191983Sweongyo 759191983Sweongyo upgt_bulk_tx(sc, data_cmd); 760191983Sweongyo 761191983Sweongyo return (0); 762191983Sweongyo} 763191983Sweongyo 764191983Sweongyostatic void 765191983Sweongyoupgt_setup_rates(struct ieee80211vap *vap, struct ieee80211com *ic) 766191983Sweongyo{ 767191983Sweongyo struct ifnet *ifp = ic->ic_ifp; 768191983Sweongyo struct upgt_softc *sc = ifp->if_softc; 769191983Sweongyo const struct ieee80211_txparam *tp; 770191983Sweongyo 771191983Sweongyo /* 772191983Sweongyo * 0x01 = OFMD6 0x10 = DS1 773191983Sweongyo * 0x04 = OFDM9 0x11 = DS2 774191983Sweongyo * 0x06 = OFDM12 0x12 = DS5 775191983Sweongyo * 0x07 = OFDM18 0x13 = DS11 776191983Sweongyo * 0x08 = OFDM24 777191983Sweongyo * 0x09 = OFDM36 778191983Sweongyo * 0x0a = OFDM48 779191983Sweongyo * 0x0b = OFDM54 780191983Sweongyo */ 781191983Sweongyo const uint8_t rateset_auto_11b[] = 782191983Sweongyo { 0x13, 0x13, 0x12, 0x11, 0x11, 0x10, 0x10, 0x10 }; 783191983Sweongyo const uint8_t rateset_auto_11g[] = 784191983Sweongyo { 0x0b, 0x0a, 0x09, 0x08, 0x07, 0x06, 0x04, 0x01 }; 785191983Sweongyo const uint8_t rateset_fix_11bg[] = 786191983Sweongyo { 0x10, 0x11, 0x12, 0x13, 0x01, 0x04, 0x06, 0x07, 787191983Sweongyo 0x08, 0x09, 0x0a, 0x0b }; 788191983Sweongyo 789191983Sweongyo tp = &vap->iv_txparms[ieee80211_chan2mode(ic->ic_curchan)]; 790191983Sweongyo 791191983Sweongyo /* XXX */ 792191983Sweongyo if (tp->ucastrate == IEEE80211_FIXED_RATE_NONE) { 793191983Sweongyo /* 794191983Sweongyo * Automatic rate control is done by the device. 795191983Sweongyo * We just pass the rateset from which the device 796191983Sweongyo * will pickup a rate. 797191983Sweongyo */ 798191983Sweongyo if (ic->ic_curmode == IEEE80211_MODE_11B) 799227461Shselasky memcpy(sc->sc_cur_rateset, rateset_auto_11b, 800191983Sweongyo sizeof(sc->sc_cur_rateset)); 801191983Sweongyo if (ic->ic_curmode == IEEE80211_MODE_11G || 802191983Sweongyo ic->ic_curmode == IEEE80211_MODE_AUTO) 803227461Shselasky memcpy(sc->sc_cur_rateset, rateset_auto_11g, 804191983Sweongyo sizeof(sc->sc_cur_rateset)); 805191983Sweongyo } else { 806191983Sweongyo /* set a fixed rate */ 807191983Sweongyo memset(sc->sc_cur_rateset, rateset_fix_11bg[tp->ucastrate], 808191983Sweongyo sizeof(sc->sc_cur_rateset)); 809191983Sweongyo } 810191983Sweongyo} 811191983Sweongyo 812191983Sweongyostatic void 813191983Sweongyoupgt_set_multi(void *arg) 814191983Sweongyo{ 815191983Sweongyo struct upgt_softc *sc = arg; 816191983Sweongyo struct ifnet *ifp = sc->sc_ifp; 817191983Sweongyo 818191983Sweongyo if (!(ifp->if_flags & IFF_UP)) 819191983Sweongyo return; 820191983Sweongyo 821191983Sweongyo /* 822191983Sweongyo * XXX don't know how to set a device. Lack of docs. Just try to set 823191983Sweongyo * IFF_ALLMULTI flag here. 824191983Sweongyo */ 825191983Sweongyo ifp->if_flags |= IFF_ALLMULTI; 826191983Sweongyo} 827191983Sweongyo 828191983Sweongyostatic void 829191983Sweongyoupgt_start(struct ifnet *ifp) 830191983Sweongyo{ 831191983Sweongyo struct upgt_softc *sc = ifp->if_softc; 832191983Sweongyo struct upgt_data *data_tx; 833191983Sweongyo struct ieee80211_node *ni; 834191983Sweongyo struct mbuf *m; 835191983Sweongyo 836191983Sweongyo if ((ifp->if_drv_flags & IFF_DRV_RUNNING) == 0) 837191983Sweongyo return; 838191983Sweongyo 839191983Sweongyo UPGT_LOCK(sc); 840191983Sweongyo for (;;) { 841191983Sweongyo IFQ_DRV_DEQUEUE(&ifp->if_snd, m); 842191983Sweongyo if (m == NULL) 843191983Sweongyo break; 844191983Sweongyo 845191983Sweongyo data_tx = upgt_gettxbuf(sc); 846191983Sweongyo if (data_tx == NULL) { 847191983Sweongyo IFQ_DRV_PREPEND(&ifp->if_snd, m); 848191983Sweongyo break; 849191983Sweongyo } 850191983Sweongyo 851191983Sweongyo ni = (struct ieee80211_node *)m->m_pkthdr.rcvif; 852191983Sweongyo m->m_pkthdr.rcvif = NULL; 853191983Sweongyo 854191983Sweongyo if (upgt_tx_start(sc, m, ni, data_tx) != 0) { 855191983Sweongyo STAILQ_INSERT_HEAD(&sc->sc_tx_inactive, data_tx, next); 856191983Sweongyo UPGT_STAT_INC(sc, st_tx_inactive); 857191983Sweongyo ieee80211_free_node(ni); 858191983Sweongyo ifp->if_oerrors++; 859191983Sweongyo continue; 860191983Sweongyo } 861191983Sweongyo sc->sc_tx_timer = 5; 862191983Sweongyo } 863191983Sweongyo UPGT_UNLOCK(sc); 864191983Sweongyo} 865191983Sweongyo 866191983Sweongyostatic int 867191983Sweongyoupgt_raw_xmit(struct ieee80211_node *ni, struct mbuf *m, 868191983Sweongyo const struct ieee80211_bpf_params *params) 869191983Sweongyo{ 870191983Sweongyo struct ieee80211com *ic = ni->ni_ic; 871191983Sweongyo struct ifnet *ifp = ic->ic_ifp; 872191983Sweongyo struct upgt_softc *sc = ifp->if_softc; 873191983Sweongyo struct upgt_data *data_tx = NULL; 874191983Sweongyo 875191983Sweongyo /* prevent management frames from being sent if we're not ready */ 876191983Sweongyo if (!(ifp->if_drv_flags & IFF_DRV_RUNNING)) { 877191983Sweongyo m_freem(m); 878191983Sweongyo ieee80211_free_node(ni); 879191983Sweongyo return ENETDOWN; 880191983Sweongyo } 881191983Sweongyo 882191983Sweongyo UPGT_LOCK(sc); 883191983Sweongyo data_tx = upgt_gettxbuf(sc); 884191983Sweongyo if (data_tx == NULL) { 885191983Sweongyo ieee80211_free_node(ni); 886191983Sweongyo m_freem(m); 887191983Sweongyo UPGT_UNLOCK(sc); 888191983Sweongyo return (ENOBUFS); 889191983Sweongyo } 890191983Sweongyo 891191983Sweongyo if (upgt_tx_start(sc, m, ni, data_tx) != 0) { 892191983Sweongyo STAILQ_INSERT_HEAD(&sc->sc_tx_inactive, data_tx, next); 893191983Sweongyo UPGT_STAT_INC(sc, st_tx_inactive); 894191983Sweongyo ieee80211_free_node(ni); 895191983Sweongyo ifp->if_oerrors++; 896191983Sweongyo UPGT_UNLOCK(sc); 897191983Sweongyo return (EIO); 898191983Sweongyo } 899191983Sweongyo UPGT_UNLOCK(sc); 900191983Sweongyo 901191983Sweongyo sc->sc_tx_timer = 5; 902191983Sweongyo return (0); 903191983Sweongyo} 904191983Sweongyo 905191983Sweongyostatic void 906191983Sweongyoupgt_watchdog(void *arg) 907191983Sweongyo{ 908191983Sweongyo struct upgt_softc *sc = arg; 909191983Sweongyo struct ifnet *ifp = sc->sc_ifp; 910191983Sweongyo 911191983Sweongyo if (sc->sc_tx_timer > 0) { 912191983Sweongyo if (--sc->sc_tx_timer == 0) { 913191983Sweongyo device_printf(sc->sc_dev, "watchdog timeout\n"); 914191983Sweongyo /* upgt_init(ifp); XXX needs a process context ? */ 915191983Sweongyo ifp->if_oerrors++; 916191983Sweongyo return; 917191983Sweongyo } 918191983Sweongyo callout_reset(&sc->sc_watchdog_ch, hz, upgt_watchdog, sc); 919191983Sweongyo } 920191983Sweongyo} 921191983Sweongyo 922191983Sweongyostatic uint32_t 923191983Sweongyoupgt_mem_alloc(struct upgt_softc *sc) 924191983Sweongyo{ 925191983Sweongyo int i; 926191983Sweongyo 927191983Sweongyo for (i = 0; i < sc->sc_memory.pages; i++) { 928191983Sweongyo if (sc->sc_memory.page[i].used == 0) { 929191983Sweongyo sc->sc_memory.page[i].used = 1; 930191983Sweongyo return (sc->sc_memory.page[i].addr); 931191983Sweongyo } 932191983Sweongyo } 933191983Sweongyo 934191983Sweongyo return (0); 935191983Sweongyo} 936191983Sweongyo 937191983Sweongyostatic void 938191983Sweongyoupgt_scan_start(struct ieee80211com *ic) 939191983Sweongyo{ 940191983Sweongyo /* do nothing. */ 941191983Sweongyo} 942191983Sweongyo 943191983Sweongyostatic void 944191983Sweongyoupgt_scan_end(struct ieee80211com *ic) 945191983Sweongyo{ 946191983Sweongyo /* do nothing. */ 947191983Sweongyo} 948191983Sweongyo 949191983Sweongyostatic void 950191983Sweongyoupgt_set_channel(struct ieee80211com *ic) 951191983Sweongyo{ 952191983Sweongyo struct upgt_softc *sc = ic->ic_ifp->if_softc; 953191983Sweongyo 954191983Sweongyo UPGT_LOCK(sc); 955191983Sweongyo upgt_set_chan(sc, ic->ic_curchan); 956191983Sweongyo UPGT_UNLOCK(sc); 957191983Sweongyo} 958191983Sweongyo 959191983Sweongyostatic void 960191983Sweongyoupgt_set_chan(struct upgt_softc *sc, struct ieee80211_channel *c) 961191983Sweongyo{ 962191983Sweongyo struct ifnet *ifp = sc->sc_ifp; 963191983Sweongyo struct ieee80211com *ic = ifp->if_l2com; 964191983Sweongyo struct upgt_data *data_cmd; 965191983Sweongyo struct upgt_lmac_mem *mem; 966191983Sweongyo struct upgt_lmac_channel *chan; 967191983Sweongyo int channel; 968191983Sweongyo 969191983Sweongyo UPGT_ASSERT_LOCKED(sc); 970191983Sweongyo 971191983Sweongyo channel = ieee80211_chan2ieee(ic, c); 972191983Sweongyo if (channel == 0 || channel == IEEE80211_CHAN_ANY) { 973191983Sweongyo /* XXX should NEVER happen */ 974191983Sweongyo device_printf(sc->sc_dev, 975191983Sweongyo "%s: invalid channel %x\n", __func__, channel); 976191983Sweongyo return; 977191983Sweongyo } 978191983Sweongyo 979191983Sweongyo DPRINTF(sc, UPGT_DEBUG_STATE, "%s: channel %d\n", __func__, channel); 980191983Sweongyo 981191983Sweongyo data_cmd = upgt_getbuf(sc); 982191983Sweongyo if (data_cmd == NULL) { 983191983Sweongyo device_printf(sc->sc_dev, "%s: out of buffers.\n", __func__); 984191983Sweongyo return; 985191983Sweongyo } 986191983Sweongyo /* 987191983Sweongyo * Transmit the URB containing the CMD data. 988191983Sweongyo */ 989227461Shselasky memset(data_cmd->buf, 0, MCLBYTES); 990191983Sweongyo 991191983Sweongyo mem = (struct upgt_lmac_mem *)data_cmd->buf; 992191983Sweongyo mem->addr = htole32(sc->sc_memaddr_frame_start + 993191983Sweongyo UPGT_MEMSIZE_FRAME_HEAD); 994191983Sweongyo 995191983Sweongyo chan = (struct upgt_lmac_channel *)(mem + 1); 996191983Sweongyo 997191983Sweongyo chan->header1.flags = UPGT_H1_FLAGS_TX_NO_CALLBACK; 998191983Sweongyo chan->header1.type = UPGT_H1_TYPE_CTRL; 999191983Sweongyo chan->header1.len = htole16( 1000191983Sweongyo sizeof(struct upgt_lmac_channel) - sizeof(struct upgt_lmac_header)); 1001191983Sweongyo 1002191983Sweongyo chan->header2.reqid = htole32(sc->sc_memaddr_frame_start); 1003191983Sweongyo chan->header2.type = htole16(UPGT_H2_TYPE_CHANNEL); 1004191983Sweongyo chan->header2.flags = 0; 1005191983Sweongyo 1006191983Sweongyo chan->unknown1 = htole16(UPGT_CHANNEL_UNKNOWN1); 1007191983Sweongyo chan->unknown2 = htole16(UPGT_CHANNEL_UNKNOWN2); 1008191983Sweongyo chan->freq6 = sc->sc_eeprom_freq6[channel]; 1009191983Sweongyo chan->settings = sc->sc_eeprom_freq6_settings; 1010191983Sweongyo chan->unknown3 = UPGT_CHANNEL_UNKNOWN3; 1011191983Sweongyo 1012227461Shselasky memcpy(chan->freq3_1, &sc->sc_eeprom_freq3[channel].data, 1013191983Sweongyo sizeof(chan->freq3_1)); 1014227461Shselasky memcpy(chan->freq4, &sc->sc_eeprom_freq4[channel], 1015191983Sweongyo sizeof(sc->sc_eeprom_freq4[channel])); 1016227461Shselasky memcpy(chan->freq3_2, &sc->sc_eeprom_freq3[channel].data, 1017191983Sweongyo sizeof(chan->freq3_2)); 1018191983Sweongyo 1019191983Sweongyo data_cmd->buflen = sizeof(*mem) + sizeof(*chan); 1020191983Sweongyo 1021191983Sweongyo mem->chksum = upgt_chksum_le((uint32_t *)chan, 1022191983Sweongyo data_cmd->buflen - sizeof(*mem)); 1023191983Sweongyo 1024191983Sweongyo upgt_bulk_tx(sc, data_cmd); 1025191983Sweongyo} 1026191983Sweongyo 1027191983Sweongyostatic struct ieee80211vap * 1028228621Sbschmidtupgt_vap_create(struct ieee80211com *ic, const char name[IFNAMSIZ], int unit, 1029228621Sbschmidt enum ieee80211_opmode opmode, int flags, 1030228621Sbschmidt const uint8_t bssid[IEEE80211_ADDR_LEN], 1031228621Sbschmidt const uint8_t mac[IEEE80211_ADDR_LEN]) 1032191983Sweongyo{ 1033191983Sweongyo struct upgt_vap *uvp; 1034191983Sweongyo struct ieee80211vap *vap; 1035191983Sweongyo 1036191983Sweongyo if (!TAILQ_EMPTY(&ic->ic_vaps)) /* only one at a time */ 1037191983Sweongyo return NULL; 1038191983Sweongyo uvp = (struct upgt_vap *) malloc(sizeof(struct upgt_vap), 1039191983Sweongyo M_80211_VAP, M_NOWAIT | M_ZERO); 1040191983Sweongyo if (uvp == NULL) 1041191983Sweongyo return NULL; 1042191983Sweongyo vap = &uvp->vap; 1043191983Sweongyo /* enable s/w bmiss handling for sta mode */ 1044191983Sweongyo ieee80211_vap_setup(ic, vap, name, unit, opmode, 1045191983Sweongyo flags | IEEE80211_CLONE_NOBEACONS, bssid, mac); 1046191983Sweongyo 1047191983Sweongyo /* override state transition machine */ 1048191983Sweongyo uvp->newstate = vap->iv_newstate; 1049191983Sweongyo vap->iv_newstate = upgt_newstate; 1050191983Sweongyo 1051191983Sweongyo /* setup device rates */ 1052191983Sweongyo upgt_setup_rates(vap, ic); 1053191983Sweongyo 1054191983Sweongyo /* complete setup */ 1055191983Sweongyo ieee80211_vap_attach(vap, ieee80211_media_change, 1056191983Sweongyo ieee80211_media_status); 1057191983Sweongyo ic->ic_opmode = opmode; 1058191983Sweongyo return vap; 1059191983Sweongyo} 1060191983Sweongyo 1061191983Sweongyostatic int 1062191983Sweongyoupgt_newstate(struct ieee80211vap *vap, enum ieee80211_state nstate, int arg) 1063191983Sweongyo{ 1064191983Sweongyo struct upgt_vap *uvp = UPGT_VAP(vap); 1065191983Sweongyo struct ieee80211com *ic = vap->iv_ic; 1066191983Sweongyo struct upgt_softc *sc = ic->ic_ifp->if_softc; 1067191983Sweongyo 1068191983Sweongyo /* do it in a process context */ 1069191983Sweongyo sc->sc_state = nstate; 1070191983Sweongyo 1071191983Sweongyo IEEE80211_UNLOCK(ic); 1072191983Sweongyo UPGT_LOCK(sc); 1073191983Sweongyo callout_stop(&sc->sc_led_ch); 1074191983Sweongyo callout_stop(&sc->sc_watchdog_ch); 1075191983Sweongyo 1076191983Sweongyo switch (nstate) { 1077191983Sweongyo case IEEE80211_S_INIT: 1078191983Sweongyo /* do not accept any frames if the device is down */ 1079191983Sweongyo (void)upgt_set_macfilter(sc, sc->sc_state); 1080191983Sweongyo upgt_set_led(sc, UPGT_LED_OFF); 1081191983Sweongyo break; 1082191983Sweongyo case IEEE80211_S_SCAN: 1083191983Sweongyo upgt_set_chan(sc, ic->ic_curchan); 1084191983Sweongyo break; 1085191983Sweongyo case IEEE80211_S_AUTH: 1086191983Sweongyo upgt_set_chan(sc, ic->ic_curchan); 1087191983Sweongyo break; 1088191983Sweongyo case IEEE80211_S_ASSOC: 1089191983Sweongyo break; 1090191983Sweongyo case IEEE80211_S_RUN: 1091191983Sweongyo upgt_set_macfilter(sc, sc->sc_state); 1092191983Sweongyo upgt_set_led(sc, UPGT_LED_ON); 1093191983Sweongyo break; 1094191983Sweongyo default: 1095191983Sweongyo break; 1096191983Sweongyo } 1097191983Sweongyo UPGT_UNLOCK(sc); 1098191983Sweongyo IEEE80211_LOCK(ic); 1099191983Sweongyo return (uvp->newstate(vap, nstate, arg)); 1100191983Sweongyo} 1101191983Sweongyo 1102191983Sweongyostatic void 1103191983Sweongyoupgt_vap_delete(struct ieee80211vap *vap) 1104191983Sweongyo{ 1105191983Sweongyo struct upgt_vap *uvp = UPGT_VAP(vap); 1106191983Sweongyo 1107191983Sweongyo ieee80211_vap_detach(vap); 1108191983Sweongyo free(uvp, M_80211_VAP); 1109191983Sweongyo} 1110191983Sweongyo 1111191983Sweongyostatic void 1112191983Sweongyoupgt_update_mcast(struct ifnet *ifp) 1113191983Sweongyo{ 1114191983Sweongyo struct upgt_softc *sc = ifp->if_softc; 1115191983Sweongyo 1116191983Sweongyo upgt_set_multi(sc); 1117191983Sweongyo} 1118191983Sweongyo 1119191983Sweongyostatic int 1120191983Sweongyoupgt_eeprom_parse(struct upgt_softc *sc) 1121191983Sweongyo{ 1122191983Sweongyo struct upgt_eeprom_header *eeprom_header; 1123191983Sweongyo struct upgt_eeprom_option *eeprom_option; 1124191983Sweongyo uint16_t option_len; 1125191983Sweongyo uint16_t option_type; 1126191983Sweongyo uint16_t preamble_len; 1127191983Sweongyo int option_end = 0; 1128191983Sweongyo 1129191983Sweongyo /* calculate eeprom options start offset */ 1130191983Sweongyo eeprom_header = (struct upgt_eeprom_header *)sc->sc_eeprom; 1131191983Sweongyo preamble_len = le16toh(eeprom_header->preamble_len); 1132191983Sweongyo eeprom_option = (struct upgt_eeprom_option *)(sc->sc_eeprom + 1133191983Sweongyo (sizeof(struct upgt_eeprom_header) + preamble_len)); 1134191983Sweongyo 1135191983Sweongyo while (!option_end) { 1136246944Shselasky 1137246944Shselasky /* sanity check */ 1138246944Shselasky if (eeprom_option >= (struct upgt_eeprom_option *) 1139246944Shselasky (sc->sc_eeprom + UPGT_EEPROM_SIZE)) { 1140246944Shselasky return (EINVAL); 1141246944Shselasky } 1142246944Shselasky 1143191983Sweongyo /* the eeprom option length is stored in words */ 1144191983Sweongyo option_len = 1145191983Sweongyo (le16toh(eeprom_option->len) - 1) * sizeof(uint16_t); 1146191983Sweongyo option_type = 1147191983Sweongyo le16toh(eeprom_option->type); 1148191983Sweongyo 1149246944Shselasky /* sanity check */ 1150246944Shselasky if (option_len == 0 || option_len >= UPGT_EEPROM_SIZE) 1151246944Shselasky return (EINVAL); 1152246944Shselasky 1153191983Sweongyo switch (option_type) { 1154191983Sweongyo case UPGT_EEPROM_TYPE_NAME: 1155191983Sweongyo DPRINTF(sc, UPGT_DEBUG_FW, 1156191983Sweongyo "EEPROM name len=%d\n", option_len); 1157191983Sweongyo break; 1158191983Sweongyo case UPGT_EEPROM_TYPE_SERIAL: 1159191983Sweongyo DPRINTF(sc, UPGT_DEBUG_FW, 1160191983Sweongyo "EEPROM serial len=%d\n", option_len); 1161191983Sweongyo break; 1162191983Sweongyo case UPGT_EEPROM_TYPE_MAC: 1163191983Sweongyo DPRINTF(sc, UPGT_DEBUG_FW, 1164191983Sweongyo "EEPROM mac len=%d\n", option_len); 1165191983Sweongyo 1166191983Sweongyo IEEE80211_ADDR_COPY(sc->sc_myaddr, eeprom_option->data); 1167191983Sweongyo break; 1168191983Sweongyo case UPGT_EEPROM_TYPE_HWRX: 1169191983Sweongyo DPRINTF(sc, UPGT_DEBUG_FW, 1170191983Sweongyo "EEPROM hwrx len=%d\n", option_len); 1171191983Sweongyo 1172191983Sweongyo upgt_eeprom_parse_hwrx(sc, eeprom_option->data); 1173191983Sweongyo break; 1174191983Sweongyo case UPGT_EEPROM_TYPE_CHIP: 1175191983Sweongyo DPRINTF(sc, UPGT_DEBUG_FW, 1176191983Sweongyo "EEPROM chip len=%d\n", option_len); 1177191983Sweongyo break; 1178191983Sweongyo case UPGT_EEPROM_TYPE_FREQ3: 1179191983Sweongyo DPRINTF(sc, UPGT_DEBUG_FW, 1180191983Sweongyo "EEPROM freq3 len=%d\n", option_len); 1181191983Sweongyo 1182191983Sweongyo upgt_eeprom_parse_freq3(sc, eeprom_option->data, 1183191983Sweongyo option_len); 1184191983Sweongyo break; 1185191983Sweongyo case UPGT_EEPROM_TYPE_FREQ4: 1186191983Sweongyo DPRINTF(sc, UPGT_DEBUG_FW, 1187191983Sweongyo "EEPROM freq4 len=%d\n", option_len); 1188191983Sweongyo 1189191983Sweongyo upgt_eeprom_parse_freq4(sc, eeprom_option->data, 1190191983Sweongyo option_len); 1191191983Sweongyo break; 1192191983Sweongyo case UPGT_EEPROM_TYPE_FREQ5: 1193191983Sweongyo DPRINTF(sc, UPGT_DEBUG_FW, 1194191983Sweongyo "EEPROM freq5 len=%d\n", option_len); 1195191983Sweongyo break; 1196191983Sweongyo case UPGT_EEPROM_TYPE_FREQ6: 1197191983Sweongyo DPRINTF(sc, UPGT_DEBUG_FW, 1198191983Sweongyo "EEPROM freq6 len=%d\n", option_len); 1199191983Sweongyo 1200191983Sweongyo upgt_eeprom_parse_freq6(sc, eeprom_option->data, 1201191983Sweongyo option_len); 1202191983Sweongyo break; 1203191983Sweongyo case UPGT_EEPROM_TYPE_END: 1204191983Sweongyo DPRINTF(sc, UPGT_DEBUG_FW, 1205191983Sweongyo "EEPROM end len=%d\n", option_len); 1206191983Sweongyo option_end = 1; 1207191983Sweongyo break; 1208191983Sweongyo case UPGT_EEPROM_TYPE_OFF: 1209191983Sweongyo DPRINTF(sc, UPGT_DEBUG_FW, 1210199816Sthompsa "%s: EEPROM off without end option\n", __func__); 1211191983Sweongyo return (EIO); 1212191983Sweongyo default: 1213191983Sweongyo DPRINTF(sc, UPGT_DEBUG_FW, 1214191983Sweongyo "EEPROM unknown type 0x%04x len=%d\n", 1215191983Sweongyo option_type, option_len); 1216191983Sweongyo break; 1217191983Sweongyo } 1218191983Sweongyo 1219191983Sweongyo /* jump to next EEPROM option */ 1220191983Sweongyo eeprom_option = (struct upgt_eeprom_option *) 1221191983Sweongyo (eeprom_option->data + option_len); 1222191983Sweongyo } 1223191983Sweongyo return (0); 1224191983Sweongyo} 1225191983Sweongyo 1226191983Sweongyostatic void 1227191983Sweongyoupgt_eeprom_parse_freq3(struct upgt_softc *sc, uint8_t *data, int len) 1228191983Sweongyo{ 1229191983Sweongyo struct upgt_eeprom_freq3_header *freq3_header; 1230191983Sweongyo struct upgt_lmac_freq3 *freq3; 1231246944Shselasky int i; 1232246944Shselasky int elements; 1233246944Shselasky int flags; 1234191983Sweongyo unsigned channel; 1235191983Sweongyo 1236191983Sweongyo freq3_header = (struct upgt_eeprom_freq3_header *)data; 1237191983Sweongyo freq3 = (struct upgt_lmac_freq3 *)(freq3_header + 1); 1238191983Sweongyo 1239191983Sweongyo flags = freq3_header->flags; 1240191983Sweongyo elements = freq3_header->elements; 1241191983Sweongyo 1242191983Sweongyo DPRINTF(sc, UPGT_DEBUG_FW, "flags=0x%02x elements=%d\n", 1243191983Sweongyo flags, elements); 1244191983Sweongyo 1245246944Shselasky if (elements >= (int)(UPGT_EEPROM_SIZE / sizeof(freq3[0]))) 1246246944Shselasky return; 1247246944Shselasky 1248191983Sweongyo for (i = 0; i < elements; i++) { 1249191983Sweongyo channel = ieee80211_mhz2ieee(le16toh(freq3[i].freq), 0); 1250233774Shselasky if (channel >= IEEE80211_CHAN_MAX) 1251191983Sweongyo continue; 1252191983Sweongyo 1253191983Sweongyo sc->sc_eeprom_freq3[channel] = freq3[i]; 1254191983Sweongyo 1255191983Sweongyo DPRINTF(sc, UPGT_DEBUG_FW, "frequence=%d, channel=%d\n", 1256191983Sweongyo le16toh(sc->sc_eeprom_freq3[channel].freq), channel); 1257191983Sweongyo } 1258191983Sweongyo} 1259191983Sweongyo 1260191983Sweongyovoid 1261191983Sweongyoupgt_eeprom_parse_freq4(struct upgt_softc *sc, uint8_t *data, int len) 1262191983Sweongyo{ 1263191983Sweongyo struct upgt_eeprom_freq4_header *freq4_header; 1264191983Sweongyo struct upgt_eeprom_freq4_1 *freq4_1; 1265191983Sweongyo struct upgt_eeprom_freq4_2 *freq4_2; 1266246944Shselasky int i; 1267246944Shselasky int j; 1268246944Shselasky int elements; 1269246944Shselasky int settings; 1270246944Shselasky int flags; 1271191983Sweongyo unsigned channel; 1272191983Sweongyo 1273191983Sweongyo freq4_header = (struct upgt_eeprom_freq4_header *)data; 1274191983Sweongyo freq4_1 = (struct upgt_eeprom_freq4_1 *)(freq4_header + 1); 1275191983Sweongyo flags = freq4_header->flags; 1276191983Sweongyo elements = freq4_header->elements; 1277191983Sweongyo settings = freq4_header->settings; 1278191983Sweongyo 1279191983Sweongyo /* we need this value later */ 1280191983Sweongyo sc->sc_eeprom_freq6_settings = freq4_header->settings; 1281191983Sweongyo 1282191983Sweongyo DPRINTF(sc, UPGT_DEBUG_FW, "flags=0x%02x elements=%d settings=%d\n", 1283191983Sweongyo flags, elements, settings); 1284191983Sweongyo 1285246944Shselasky if (elements >= (int)(UPGT_EEPROM_SIZE / sizeof(freq4_1[0]))) 1286246944Shselasky return; 1287246944Shselasky 1288191983Sweongyo for (i = 0; i < elements; i++) { 1289191983Sweongyo channel = ieee80211_mhz2ieee(le16toh(freq4_1[i].freq), 0); 1290233774Shselasky if (channel >= IEEE80211_CHAN_MAX) 1291191983Sweongyo continue; 1292191983Sweongyo 1293191983Sweongyo freq4_2 = (struct upgt_eeprom_freq4_2 *)freq4_1[i].data; 1294191983Sweongyo for (j = 0; j < settings; j++) { 1295191983Sweongyo sc->sc_eeprom_freq4[channel][j].cmd = freq4_2[j]; 1296191983Sweongyo sc->sc_eeprom_freq4[channel][j].pad = 0; 1297191983Sweongyo } 1298191983Sweongyo 1299191983Sweongyo DPRINTF(sc, UPGT_DEBUG_FW, "frequence=%d, channel=%d\n", 1300191983Sweongyo le16toh(freq4_1[i].freq), channel); 1301191983Sweongyo } 1302191983Sweongyo} 1303191983Sweongyo 1304191983Sweongyovoid 1305191983Sweongyoupgt_eeprom_parse_freq6(struct upgt_softc *sc, uint8_t *data, int len) 1306191983Sweongyo{ 1307191983Sweongyo struct upgt_lmac_freq6 *freq6; 1308246944Shselasky int i; 1309246944Shselasky int elements; 1310191983Sweongyo unsigned channel; 1311191983Sweongyo 1312191983Sweongyo freq6 = (struct upgt_lmac_freq6 *)data; 1313191983Sweongyo elements = len / sizeof(struct upgt_lmac_freq6); 1314191983Sweongyo 1315191983Sweongyo DPRINTF(sc, UPGT_DEBUG_FW, "elements=%d\n", elements); 1316191983Sweongyo 1317246944Shselasky if (elements >= (int)(UPGT_EEPROM_SIZE / sizeof(freq6[0]))) 1318246944Shselasky return; 1319246944Shselasky 1320191983Sweongyo for (i = 0; i < elements; i++) { 1321191983Sweongyo channel = ieee80211_mhz2ieee(le16toh(freq6[i].freq), 0); 1322233774Shselasky if (channel >= IEEE80211_CHAN_MAX) 1323191983Sweongyo continue; 1324191983Sweongyo 1325191983Sweongyo sc->sc_eeprom_freq6[channel] = freq6[i]; 1326191983Sweongyo 1327191983Sweongyo DPRINTF(sc, UPGT_DEBUG_FW, "frequence=%d, channel=%d\n", 1328191983Sweongyo le16toh(sc->sc_eeprom_freq6[channel].freq), channel); 1329191983Sweongyo } 1330191983Sweongyo} 1331191983Sweongyo 1332191983Sweongyostatic void 1333191983Sweongyoupgt_eeprom_parse_hwrx(struct upgt_softc *sc, uint8_t *data) 1334191983Sweongyo{ 1335191983Sweongyo struct upgt_eeprom_option_hwrx *option_hwrx; 1336191983Sweongyo 1337191983Sweongyo option_hwrx = (struct upgt_eeprom_option_hwrx *)data; 1338191983Sweongyo 1339191983Sweongyo sc->sc_eeprom_hwrx = option_hwrx->rxfilter - UPGT_EEPROM_RX_CONST; 1340191983Sweongyo 1341191983Sweongyo DPRINTF(sc, UPGT_DEBUG_FW, "hwrx option value=0x%04x\n", 1342191983Sweongyo sc->sc_eeprom_hwrx); 1343191983Sweongyo} 1344191983Sweongyo 1345191983Sweongyostatic int 1346191983Sweongyoupgt_eeprom_read(struct upgt_softc *sc) 1347191983Sweongyo{ 1348191983Sweongyo struct upgt_data *data_cmd; 1349191983Sweongyo struct upgt_lmac_mem *mem; 1350191983Sweongyo struct upgt_lmac_eeprom *eeprom; 1351191983Sweongyo int block, error, offset; 1352191983Sweongyo 1353191983Sweongyo UPGT_LOCK(sc); 1354194228Sthompsa usb_pause_mtx(&sc->sc_mtx, 100); 1355191983Sweongyo 1356191983Sweongyo offset = 0; 1357191983Sweongyo block = UPGT_EEPROM_BLOCK_SIZE; 1358191983Sweongyo while (offset < UPGT_EEPROM_SIZE) { 1359191983Sweongyo DPRINTF(sc, UPGT_DEBUG_FW, 1360191983Sweongyo "request EEPROM block (offset=%d, len=%d)\n", offset, block); 1361191983Sweongyo 1362191983Sweongyo data_cmd = upgt_getbuf(sc); 1363191983Sweongyo if (data_cmd == NULL) { 1364191983Sweongyo UPGT_UNLOCK(sc); 1365191983Sweongyo return (ENOBUFS); 1366191983Sweongyo } 1367191983Sweongyo 1368191983Sweongyo /* 1369191983Sweongyo * Transmit the URB containing the CMD data. 1370191983Sweongyo */ 1371227461Shselasky memset(data_cmd->buf, 0, MCLBYTES); 1372191983Sweongyo 1373191983Sweongyo mem = (struct upgt_lmac_mem *)data_cmd->buf; 1374191983Sweongyo mem->addr = htole32(sc->sc_memaddr_frame_start + 1375191983Sweongyo UPGT_MEMSIZE_FRAME_HEAD); 1376191983Sweongyo 1377191983Sweongyo eeprom = (struct upgt_lmac_eeprom *)(mem + 1); 1378191983Sweongyo eeprom->header1.flags = 0; 1379191983Sweongyo eeprom->header1.type = UPGT_H1_TYPE_CTRL; 1380191983Sweongyo eeprom->header1.len = htole16(( 1381191983Sweongyo sizeof(struct upgt_lmac_eeprom) - 1382191983Sweongyo sizeof(struct upgt_lmac_header)) + block); 1383191983Sweongyo 1384191983Sweongyo eeprom->header2.reqid = htole32(sc->sc_memaddr_frame_start); 1385191983Sweongyo eeprom->header2.type = htole16(UPGT_H2_TYPE_EEPROM); 1386191983Sweongyo eeprom->header2.flags = 0; 1387191983Sweongyo 1388191983Sweongyo eeprom->offset = htole16(offset); 1389191983Sweongyo eeprom->len = htole16(block); 1390191983Sweongyo 1391191983Sweongyo data_cmd->buflen = sizeof(*mem) + sizeof(*eeprom) + block; 1392191983Sweongyo 1393191983Sweongyo mem->chksum = upgt_chksum_le((uint32_t *)eeprom, 1394191983Sweongyo data_cmd->buflen - sizeof(*mem)); 1395191983Sweongyo upgt_bulk_tx(sc, data_cmd); 1396191983Sweongyo 1397191983Sweongyo error = mtx_sleep(sc, &sc->sc_mtx, 0, "eeprom_request", hz); 1398191983Sweongyo if (error != 0) { 1399191983Sweongyo device_printf(sc->sc_dev, 1400199816Sthompsa "timeout while waiting for EEPROM data\n"); 1401191983Sweongyo UPGT_UNLOCK(sc); 1402191983Sweongyo return (EIO); 1403191983Sweongyo } 1404191983Sweongyo 1405191983Sweongyo offset += block; 1406191983Sweongyo if (UPGT_EEPROM_SIZE - offset < block) 1407191983Sweongyo block = UPGT_EEPROM_SIZE - offset; 1408191983Sweongyo } 1409191983Sweongyo 1410191983Sweongyo UPGT_UNLOCK(sc); 1411191983Sweongyo return (0); 1412191983Sweongyo} 1413191983Sweongyo 1414191983Sweongyo/* 1415191983Sweongyo * When a rx data came in the function returns a mbuf and a rssi values. 1416191983Sweongyo */ 1417191983Sweongyostatic struct mbuf * 1418192984Sthompsaupgt_rxeof(struct usb_xfer *xfer, struct upgt_data *data, int *rssi) 1419191983Sweongyo{ 1420191983Sweongyo struct mbuf *m = NULL; 1421194677Sthompsa struct upgt_softc *sc = usbd_xfer_softc(xfer); 1422191983Sweongyo struct upgt_lmac_header *header; 1423191983Sweongyo struct upgt_lmac_eeprom *eeprom; 1424191983Sweongyo uint8_t h1_type; 1425191983Sweongyo uint16_t h2_type; 1426194677Sthompsa int actlen, sumlen; 1427191983Sweongyo 1428194677Sthompsa usbd_xfer_status(xfer, &actlen, &sumlen, NULL, NULL); 1429194677Sthompsa 1430191983Sweongyo UPGT_ASSERT_LOCKED(sc); 1431191983Sweongyo 1432194677Sthompsa if (actlen < 1) 1433191983Sweongyo return (NULL); 1434191983Sweongyo 1435191983Sweongyo /* Check only at the very beginning. */ 1436191983Sweongyo if (!(sc->sc_flags & UPGT_FLAG_FWLOADED) && 1437191983Sweongyo (memcmp(data->buf, "OK", 2) == 0)) { 1438191983Sweongyo sc->sc_flags |= UPGT_FLAG_FWLOADED; 1439191983Sweongyo wakeup_one(sc); 1440191983Sweongyo return (NULL); 1441191983Sweongyo } 1442191983Sweongyo 1443233774Shselasky if (actlen < (int)UPGT_RX_MINSZ) 1444191983Sweongyo return (NULL); 1445191983Sweongyo 1446191983Sweongyo /* 1447191983Sweongyo * Check what type of frame came in. 1448191983Sweongyo */ 1449191983Sweongyo header = (struct upgt_lmac_header *)(data->buf + 4); 1450191983Sweongyo 1451191983Sweongyo h1_type = header->header1.type; 1452191983Sweongyo h2_type = le16toh(header->header2.type); 1453191983Sweongyo 1454191983Sweongyo if (h1_type == UPGT_H1_TYPE_CTRL && h2_type == UPGT_H2_TYPE_EEPROM) { 1455191983Sweongyo eeprom = (struct upgt_lmac_eeprom *)(data->buf + 4); 1456191983Sweongyo uint16_t eeprom_offset = le16toh(eeprom->offset); 1457191983Sweongyo uint16_t eeprom_len = le16toh(eeprom->len); 1458191983Sweongyo 1459191983Sweongyo DPRINTF(sc, UPGT_DEBUG_FW, 1460191983Sweongyo "received EEPROM block (offset=%d, len=%d)\n", 1461191983Sweongyo eeprom_offset, eeprom_len); 1462191983Sweongyo 1463227461Shselasky memcpy(sc->sc_eeprom + eeprom_offset, 1464227461Shselasky data->buf + sizeof(struct upgt_lmac_eeprom) + 4, 1465227461Shselasky eeprom_len); 1466191983Sweongyo 1467191983Sweongyo /* EEPROM data has arrived in time, wakeup. */ 1468191983Sweongyo wakeup(sc); 1469191983Sweongyo } else if (h1_type == UPGT_H1_TYPE_CTRL && 1470191983Sweongyo h2_type == UPGT_H2_TYPE_TX_DONE) { 1471191983Sweongyo DPRINTF(sc, UPGT_DEBUG_XMIT, "%s: received 802.11 TX done\n", 1472191983Sweongyo __func__); 1473191983Sweongyo upgt_tx_done(sc, data->buf + 4); 1474191983Sweongyo } else if (h1_type == UPGT_H1_TYPE_RX_DATA || 1475191983Sweongyo h1_type == UPGT_H1_TYPE_RX_DATA_MGMT) { 1476191983Sweongyo DPRINTF(sc, UPGT_DEBUG_RECV, "%s: received 802.11 RX data\n", 1477191983Sweongyo __func__); 1478191983Sweongyo m = upgt_rx(sc, data->buf + 4, le16toh(header->header1.len), 1479191983Sweongyo rssi); 1480191983Sweongyo } else if (h1_type == UPGT_H1_TYPE_CTRL && 1481191983Sweongyo h2_type == UPGT_H2_TYPE_STATS) { 1482191983Sweongyo DPRINTF(sc, UPGT_DEBUG_STAT, "%s: received statistic data\n", 1483191983Sweongyo __func__); 1484191983Sweongyo /* TODO: what could we do with the statistic data? */ 1485191983Sweongyo } else { 1486191983Sweongyo /* ignore unknown frame types */ 1487191983Sweongyo DPRINTF(sc, UPGT_DEBUG_INTR, 1488191983Sweongyo "received unknown frame type 0x%02x\n", 1489191983Sweongyo header->header1.type); 1490191983Sweongyo } 1491191983Sweongyo return (m); 1492191983Sweongyo} 1493191983Sweongyo 1494191983Sweongyo/* 1495191983Sweongyo * The firmware awaits a checksum for each frame we send to it. 1496191983Sweongyo * The algorithm used therefor is uncommon but somehow similar to CRC32. 1497191983Sweongyo */ 1498191983Sweongyostatic uint32_t 1499191983Sweongyoupgt_chksum_le(const uint32_t *buf, size_t size) 1500191983Sweongyo{ 1501233774Shselasky size_t i; 1502191983Sweongyo uint32_t crc = 0; 1503191983Sweongyo 1504191983Sweongyo for (i = 0; i < size; i += sizeof(uint32_t)) { 1505191983Sweongyo crc = htole32(crc ^ *buf++); 1506191983Sweongyo crc = htole32((crc >> 5) ^ (crc << 3)); 1507191983Sweongyo } 1508191983Sweongyo 1509191983Sweongyo return (crc); 1510191983Sweongyo} 1511191983Sweongyo 1512191983Sweongyostatic struct mbuf * 1513191983Sweongyoupgt_rx(struct upgt_softc *sc, uint8_t *data, int pkglen, int *rssi) 1514191983Sweongyo{ 1515191983Sweongyo struct ifnet *ifp = sc->sc_ifp; 1516191983Sweongyo struct ieee80211com *ic = ifp->if_l2com; 1517191983Sweongyo struct upgt_lmac_rx_desc *rxdesc; 1518191983Sweongyo struct mbuf *m; 1519191983Sweongyo 1520191983Sweongyo /* 1521191983Sweongyo * don't pass packets to the ieee80211 framework if the driver isn't 1522191983Sweongyo * RUNNING. 1523191983Sweongyo */ 1524191983Sweongyo if (!(ifp->if_drv_flags & IFF_DRV_RUNNING)) 1525191983Sweongyo return (NULL); 1526191983Sweongyo 1527191983Sweongyo /* access RX packet descriptor */ 1528191983Sweongyo rxdesc = (struct upgt_lmac_rx_desc *)data; 1529191983Sweongyo 1530191983Sweongyo /* create mbuf which is suitable for strict alignment archs */ 1531191983Sweongyo KASSERT((pkglen + ETHER_ALIGN) < MCLBYTES, 1532191983Sweongyo ("A current mbuf storage is small (%d)", pkglen + ETHER_ALIGN)); 1533243857Sglebius m = m_getcl(M_NOWAIT, MT_DATA, M_PKTHDR); 1534191983Sweongyo if (m == NULL) { 1535199816Sthompsa device_printf(sc->sc_dev, "could not create RX mbuf\n"); 1536191983Sweongyo return (NULL); 1537191983Sweongyo } 1538191983Sweongyo m_adj(m, ETHER_ALIGN); 1539227461Shselasky memcpy(mtod(m, char *), rxdesc->data, pkglen); 1540191983Sweongyo /* trim FCS */ 1541191983Sweongyo m->m_len = m->m_pkthdr.len = pkglen - IEEE80211_CRC_LEN; 1542191983Sweongyo m->m_pkthdr.rcvif = ifp; 1543191983Sweongyo 1544192468Ssam if (ieee80211_radiotap_active(ic)) { 1545191983Sweongyo struct upgt_rx_radiotap_header *tap = &sc->sc_rxtap; 1546191983Sweongyo 1547191983Sweongyo tap->wr_flags = 0; 1548191983Sweongyo tap->wr_rate = upgt_rx_rate(sc, rxdesc->rate); 1549191983Sweongyo tap->wr_antsignal = rxdesc->rssi; 1550191983Sweongyo } 1551191983Sweongyo ifp->if_ipackets++; 1552191983Sweongyo 1553191983Sweongyo DPRINTF(sc, UPGT_DEBUG_RX_PROC, "%s: RX done\n", __func__); 1554191983Sweongyo *rssi = rxdesc->rssi; 1555191983Sweongyo return (m); 1556191983Sweongyo} 1557191983Sweongyo 1558191983Sweongyostatic uint8_t 1559191983Sweongyoupgt_rx_rate(struct upgt_softc *sc, const int rate) 1560191983Sweongyo{ 1561191983Sweongyo struct ifnet *ifp = sc->sc_ifp; 1562191983Sweongyo struct ieee80211com *ic = ifp->if_l2com; 1563191983Sweongyo static const uint8_t cck_upgt2rate[4] = { 2, 4, 11, 22 }; 1564191983Sweongyo static const uint8_t ofdm_upgt2rate[12] = 1565191983Sweongyo { 2, 4, 11, 22, 12, 18, 24, 36, 48, 72, 96, 108 }; 1566191983Sweongyo 1567191983Sweongyo if (ic->ic_curmode == IEEE80211_MODE_11B && 1568191983Sweongyo !(rate < 0 || rate > 3)) 1569191983Sweongyo return cck_upgt2rate[rate & 0xf]; 1570191983Sweongyo 1571191983Sweongyo if (ic->ic_curmode == IEEE80211_MODE_11G && 1572191983Sweongyo !(rate < 0 || rate > 11)) 1573191983Sweongyo return ofdm_upgt2rate[rate & 0xf]; 1574191983Sweongyo 1575191983Sweongyo return (0); 1576191983Sweongyo} 1577191983Sweongyo 1578191983Sweongyostatic void 1579191983Sweongyoupgt_tx_done(struct upgt_softc *sc, uint8_t *data) 1580191983Sweongyo{ 1581191983Sweongyo struct ifnet *ifp = sc->sc_ifp; 1582191983Sweongyo struct upgt_lmac_tx_done_desc *desc; 1583191983Sweongyo int i, freed = 0; 1584191983Sweongyo 1585191983Sweongyo UPGT_ASSERT_LOCKED(sc); 1586191983Sweongyo 1587191983Sweongyo desc = (struct upgt_lmac_tx_done_desc *)data; 1588191983Sweongyo 1589191983Sweongyo for (i = 0; i < UPGT_TX_MAXCOUNT; i++) { 1590191983Sweongyo struct upgt_data *data_tx = &sc->sc_tx_data[i]; 1591191983Sweongyo 1592191983Sweongyo if (data_tx->addr == le32toh(desc->header2.reqid)) { 1593191983Sweongyo upgt_mem_free(sc, data_tx->addr); 1594191983Sweongyo data_tx->ni = NULL; 1595191983Sweongyo data_tx->addr = 0; 1596191983Sweongyo data_tx->m = NULL; 1597191983Sweongyo 1598191983Sweongyo DPRINTF(sc, UPGT_DEBUG_TX_PROC, 1599191983Sweongyo "TX done: memaddr=0x%08x, status=0x%04x, rssi=%d, ", 1600191983Sweongyo le32toh(desc->header2.reqid), 1601191983Sweongyo le16toh(desc->status), le16toh(desc->rssi)); 1602191983Sweongyo DPRINTF(sc, UPGT_DEBUG_TX_PROC, "seq=%d\n", 1603191983Sweongyo le16toh(desc->seq)); 1604191983Sweongyo 1605191983Sweongyo freed++; 1606191983Sweongyo } 1607191983Sweongyo } 1608191983Sweongyo 1609191983Sweongyo if (freed != 0) { 1610191983Sweongyo sc->sc_tx_timer = 0; 1611191983Sweongyo ifp->if_drv_flags &= ~IFF_DRV_OACTIVE; 1612191983Sweongyo UPGT_UNLOCK(sc); 1613191983Sweongyo upgt_start(ifp); 1614191983Sweongyo UPGT_LOCK(sc); 1615191983Sweongyo } 1616191983Sweongyo} 1617191983Sweongyo 1618191983Sweongyostatic void 1619191983Sweongyoupgt_mem_free(struct upgt_softc *sc, uint32_t addr) 1620191983Sweongyo{ 1621191983Sweongyo int i; 1622191983Sweongyo 1623191983Sweongyo for (i = 0; i < sc->sc_memory.pages; i++) { 1624191983Sweongyo if (sc->sc_memory.page[i].addr == addr) { 1625191983Sweongyo sc->sc_memory.page[i].used = 0; 1626191983Sweongyo return; 1627191983Sweongyo } 1628191983Sweongyo } 1629191983Sweongyo 1630191983Sweongyo device_printf(sc->sc_dev, 1631199816Sthompsa "could not free memory address 0x%08x\n", addr); 1632191983Sweongyo} 1633191983Sweongyo 1634191983Sweongyostatic int 1635191983Sweongyoupgt_fw_load(struct upgt_softc *sc) 1636191983Sweongyo{ 1637191983Sweongyo const struct firmware *fw; 1638191983Sweongyo struct upgt_data *data_cmd; 1639191983Sweongyo struct upgt_fw_x2_header *x2; 1640191983Sweongyo char start_fwload_cmd[] = { 0x3c, 0x0d }; 1641233774Shselasky int error = 0; 1642233774Shselasky size_t offset; 1643233774Shselasky int bsize; 1644233774Shselasky int n; 1645191983Sweongyo uint32_t crc32; 1646191983Sweongyo 1647191983Sweongyo fw = firmware_get(upgt_fwname); 1648191983Sweongyo if (fw == NULL) { 1649199816Sthompsa device_printf(sc->sc_dev, "could not read microcode %s\n", 1650191983Sweongyo upgt_fwname); 1651191983Sweongyo return (EIO); 1652191983Sweongyo } 1653191983Sweongyo 1654191983Sweongyo UPGT_LOCK(sc); 1655191983Sweongyo 1656191983Sweongyo /* send firmware start load command */ 1657191983Sweongyo data_cmd = upgt_getbuf(sc); 1658191983Sweongyo if (data_cmd == NULL) { 1659191983Sweongyo error = ENOBUFS; 1660191983Sweongyo goto fail; 1661191983Sweongyo } 1662191983Sweongyo data_cmd->buflen = sizeof(start_fwload_cmd); 1663227461Shselasky memcpy(data_cmd->buf, start_fwload_cmd, data_cmd->buflen); 1664191983Sweongyo upgt_bulk_tx(sc, data_cmd); 1665191983Sweongyo 1666191983Sweongyo /* send X2 header */ 1667191983Sweongyo data_cmd = upgt_getbuf(sc); 1668191983Sweongyo if (data_cmd == NULL) { 1669191983Sweongyo error = ENOBUFS; 1670191983Sweongyo goto fail; 1671191983Sweongyo } 1672191983Sweongyo data_cmd->buflen = sizeof(struct upgt_fw_x2_header); 1673191983Sweongyo x2 = (struct upgt_fw_x2_header *)data_cmd->buf; 1674227461Shselasky memcpy(x2->signature, UPGT_X2_SIGNATURE, UPGT_X2_SIGNATURE_SIZE); 1675191983Sweongyo x2->startaddr = htole32(UPGT_MEMADDR_FIRMWARE_START); 1676191983Sweongyo x2->len = htole32(fw->datasize); 1677191983Sweongyo x2->crc = upgt_crc32_le((uint8_t *)data_cmd->buf + 1678191983Sweongyo UPGT_X2_SIGNATURE_SIZE, 1679191983Sweongyo sizeof(struct upgt_fw_x2_header) - UPGT_X2_SIGNATURE_SIZE - 1680191983Sweongyo sizeof(uint32_t)); 1681191983Sweongyo upgt_bulk_tx(sc, data_cmd); 1682191983Sweongyo 1683191983Sweongyo /* download firmware */ 1684191983Sweongyo for (offset = 0; offset < fw->datasize; offset += bsize) { 1685191983Sweongyo if (fw->datasize - offset > UPGT_FW_BLOCK_SIZE) 1686191983Sweongyo bsize = UPGT_FW_BLOCK_SIZE; 1687191983Sweongyo else 1688191983Sweongyo bsize = fw->datasize - offset; 1689191983Sweongyo 1690191983Sweongyo data_cmd = upgt_getbuf(sc); 1691191983Sweongyo if (data_cmd == NULL) { 1692191983Sweongyo error = ENOBUFS; 1693191983Sweongyo goto fail; 1694191983Sweongyo } 1695191983Sweongyo n = upgt_fw_copy((const uint8_t *)fw->data + offset, 1696191983Sweongyo data_cmd->buf, bsize); 1697191983Sweongyo data_cmd->buflen = bsize; 1698191983Sweongyo upgt_bulk_tx(sc, data_cmd); 1699191983Sweongyo 1700191983Sweongyo DPRINTF(sc, UPGT_DEBUG_FW, "FW offset=%d, read=%d, sent=%d\n", 1701191983Sweongyo offset, n, bsize); 1702191983Sweongyo bsize = n; 1703191983Sweongyo } 1704191983Sweongyo DPRINTF(sc, UPGT_DEBUG_FW, "%s: firmware downloaded\n", __func__); 1705191983Sweongyo 1706191983Sweongyo /* load firmware */ 1707191983Sweongyo data_cmd = upgt_getbuf(sc); 1708191983Sweongyo if (data_cmd == NULL) { 1709191983Sweongyo error = ENOBUFS; 1710191983Sweongyo goto fail; 1711191983Sweongyo } 1712191983Sweongyo crc32 = upgt_crc32_le(fw->data, fw->datasize); 1713191983Sweongyo *((uint32_t *)(data_cmd->buf) ) = crc32; 1714191983Sweongyo *((uint8_t *)(data_cmd->buf) + 4) = 'g'; 1715191983Sweongyo *((uint8_t *)(data_cmd->buf) + 5) = '\r'; 1716191983Sweongyo data_cmd->buflen = 6; 1717191983Sweongyo upgt_bulk_tx(sc, data_cmd); 1718191983Sweongyo 1719191983Sweongyo /* waiting 'OK' response. */ 1720194228Sthompsa usbd_transfer_start(sc->sc_xfer[UPGT_BULK_RX]); 1721191983Sweongyo error = mtx_sleep(sc, &sc->sc_mtx, 0, "upgtfw", 2 * hz); 1722191983Sweongyo if (error != 0) { 1723199816Sthompsa device_printf(sc->sc_dev, "firmware load failed\n"); 1724191983Sweongyo error = EIO; 1725191983Sweongyo } 1726191983Sweongyo 1727191983Sweongyo DPRINTF(sc, UPGT_DEBUG_FW, "%s: firmware loaded\n", __func__); 1728191983Sweongyofail: 1729191983Sweongyo UPGT_UNLOCK(sc); 1730191983Sweongyo firmware_put(fw, FIRMWARE_UNLOAD); 1731191983Sweongyo return (error); 1732191983Sweongyo} 1733191983Sweongyo 1734191983Sweongyostatic uint32_t 1735191983Sweongyoupgt_crc32_le(const void *buf, size_t size) 1736191983Sweongyo{ 1737191983Sweongyo uint32_t crc; 1738191983Sweongyo 1739191983Sweongyo crc = ether_crc32_le(buf, size); 1740191983Sweongyo 1741191983Sweongyo /* apply final XOR value as common for CRC-32 */ 1742191983Sweongyo crc = htole32(crc ^ 0xffffffffU); 1743191983Sweongyo 1744191983Sweongyo return (crc); 1745191983Sweongyo} 1746191983Sweongyo 1747191983Sweongyo/* 1748191983Sweongyo * While copying the version 2 firmware, we need to replace two characters: 1749191983Sweongyo * 1750191983Sweongyo * 0x7e -> 0x7d 0x5e 1751191983Sweongyo * 0x7d -> 0x7d 0x5d 1752191983Sweongyo */ 1753191983Sweongyostatic int 1754191983Sweongyoupgt_fw_copy(const uint8_t *src, char *dst, int size) 1755191983Sweongyo{ 1756191983Sweongyo int i, j; 1757191983Sweongyo 1758191983Sweongyo for (i = 0, j = 0; i < size && j < size; i++) { 1759191983Sweongyo switch (src[i]) { 1760191983Sweongyo case 0x7e: 1761191983Sweongyo dst[j] = 0x7d; 1762191983Sweongyo j++; 1763191983Sweongyo dst[j] = 0x5e; 1764191983Sweongyo j++; 1765191983Sweongyo break; 1766191983Sweongyo case 0x7d: 1767191983Sweongyo dst[j] = 0x7d; 1768191983Sweongyo j++; 1769191983Sweongyo dst[j] = 0x5d; 1770191983Sweongyo j++; 1771191983Sweongyo break; 1772191983Sweongyo default: 1773191983Sweongyo dst[j] = src[i]; 1774191983Sweongyo j++; 1775191983Sweongyo break; 1776191983Sweongyo } 1777191983Sweongyo } 1778191983Sweongyo 1779191983Sweongyo return (i); 1780191983Sweongyo} 1781191983Sweongyo 1782191983Sweongyostatic int 1783191983Sweongyoupgt_mem_init(struct upgt_softc *sc) 1784191983Sweongyo{ 1785191983Sweongyo int i; 1786191983Sweongyo 1787191983Sweongyo for (i = 0; i < UPGT_MEMORY_MAX_PAGES; i++) { 1788191983Sweongyo sc->sc_memory.page[i].used = 0; 1789191983Sweongyo 1790191983Sweongyo if (i == 0) { 1791191983Sweongyo /* 1792191983Sweongyo * The first memory page is always reserved for 1793191983Sweongyo * command data. 1794191983Sweongyo */ 1795191983Sweongyo sc->sc_memory.page[i].addr = 1796191983Sweongyo sc->sc_memaddr_frame_start + MCLBYTES; 1797191983Sweongyo } else { 1798191983Sweongyo sc->sc_memory.page[i].addr = 1799191983Sweongyo sc->sc_memory.page[i - 1].addr + MCLBYTES; 1800191983Sweongyo } 1801191983Sweongyo 1802191983Sweongyo if (sc->sc_memory.page[i].addr + MCLBYTES >= 1803191983Sweongyo sc->sc_memaddr_frame_end) 1804191983Sweongyo break; 1805191983Sweongyo 1806191983Sweongyo DPRINTF(sc, UPGT_DEBUG_FW, "memory address page %d=0x%08x\n", 1807191983Sweongyo i, sc->sc_memory.page[i].addr); 1808191983Sweongyo } 1809191983Sweongyo 1810191983Sweongyo sc->sc_memory.pages = i; 1811191983Sweongyo 1812191983Sweongyo DPRINTF(sc, UPGT_DEBUG_FW, "memory pages=%d\n", sc->sc_memory.pages); 1813191983Sweongyo return (0); 1814191983Sweongyo} 1815191983Sweongyo 1816191983Sweongyostatic int 1817191983Sweongyoupgt_fw_verify(struct upgt_softc *sc) 1818191983Sweongyo{ 1819191983Sweongyo const struct firmware *fw; 1820191983Sweongyo const struct upgt_fw_bra_option *bra_opt; 1821191983Sweongyo const struct upgt_fw_bra_descr *descr; 1822191983Sweongyo const uint8_t *p; 1823191983Sweongyo const uint32_t *uc; 1824191983Sweongyo uint32_t bra_option_type, bra_option_len; 1825233774Shselasky size_t offset; 1826233774Shselasky int bra_end = 0; 1827233774Shselasky int error = 0; 1828191983Sweongyo 1829191983Sweongyo fw = firmware_get(upgt_fwname); 1830191983Sweongyo if (fw == NULL) { 1831199816Sthompsa device_printf(sc->sc_dev, "could not read microcode %s\n", 1832191983Sweongyo upgt_fwname); 1833191983Sweongyo return EIO; 1834191983Sweongyo } 1835191983Sweongyo 1836191983Sweongyo /* 1837191983Sweongyo * Seek to beginning of Boot Record Area (BRA). 1838191983Sweongyo */ 1839191983Sweongyo for (offset = 0; offset < fw->datasize; offset += sizeof(*uc)) { 1840191983Sweongyo uc = (const uint32_t *)((const uint8_t *)fw->data + offset); 1841191983Sweongyo if (*uc == 0) 1842191983Sweongyo break; 1843191983Sweongyo } 1844191983Sweongyo for (; offset < fw->datasize; offset += sizeof(*uc)) { 1845191983Sweongyo uc = (const uint32_t *)((const uint8_t *)fw->data + offset); 1846191983Sweongyo if (*uc != 0) 1847191983Sweongyo break; 1848191983Sweongyo } 1849191983Sweongyo if (offset == fw->datasize) { 1850191983Sweongyo device_printf(sc->sc_dev, 1851199816Sthompsa "firmware Boot Record Area not found\n"); 1852191983Sweongyo error = EIO; 1853191983Sweongyo goto fail; 1854191983Sweongyo } 1855191983Sweongyo 1856191983Sweongyo DPRINTF(sc, UPGT_DEBUG_FW, 1857191983Sweongyo "firmware Boot Record Area found at offset %d\n", offset); 1858191983Sweongyo 1859191983Sweongyo /* 1860191983Sweongyo * Parse Boot Record Area (BRA) options. 1861191983Sweongyo */ 1862191983Sweongyo while (offset < fw->datasize && bra_end == 0) { 1863191983Sweongyo /* get current BRA option */ 1864191983Sweongyo p = (const uint8_t *)fw->data + offset; 1865191983Sweongyo bra_opt = (const struct upgt_fw_bra_option *)p; 1866191983Sweongyo bra_option_type = le32toh(bra_opt->type); 1867191983Sweongyo bra_option_len = le32toh(bra_opt->len) * sizeof(*uc); 1868191983Sweongyo 1869191983Sweongyo switch (bra_option_type) { 1870191983Sweongyo case UPGT_BRA_TYPE_FW: 1871191983Sweongyo DPRINTF(sc, UPGT_DEBUG_FW, "UPGT_BRA_TYPE_FW len=%d\n", 1872191983Sweongyo bra_option_len); 1873191983Sweongyo 1874191983Sweongyo if (bra_option_len != UPGT_BRA_FWTYPE_SIZE) { 1875191983Sweongyo device_printf(sc->sc_dev, 1876199816Sthompsa "wrong UPGT_BRA_TYPE_FW len\n"); 1877191983Sweongyo error = EIO; 1878191983Sweongyo goto fail; 1879191983Sweongyo } 1880191983Sweongyo if (memcmp(UPGT_BRA_FWTYPE_LM86, bra_opt->data, 1881191983Sweongyo bra_option_len) == 0) { 1882191983Sweongyo sc->sc_fw_type = UPGT_FWTYPE_LM86; 1883191983Sweongyo break; 1884191983Sweongyo } 1885191983Sweongyo if (memcmp(UPGT_BRA_FWTYPE_LM87, bra_opt->data, 1886191983Sweongyo bra_option_len) == 0) { 1887191983Sweongyo sc->sc_fw_type = UPGT_FWTYPE_LM87; 1888191983Sweongyo break; 1889191983Sweongyo } 1890191983Sweongyo device_printf(sc->sc_dev, 1891199816Sthompsa "unsupported firmware type\n"); 1892191983Sweongyo error = EIO; 1893191983Sweongyo goto fail; 1894191983Sweongyo case UPGT_BRA_TYPE_VERSION: 1895191983Sweongyo DPRINTF(sc, UPGT_DEBUG_FW, 1896191983Sweongyo "UPGT_BRA_TYPE_VERSION len=%d\n", bra_option_len); 1897191983Sweongyo break; 1898191983Sweongyo case UPGT_BRA_TYPE_DEPIF: 1899191983Sweongyo DPRINTF(sc, UPGT_DEBUG_FW, 1900191983Sweongyo "UPGT_BRA_TYPE_DEPIF len=%d\n", bra_option_len); 1901191983Sweongyo break; 1902191983Sweongyo case UPGT_BRA_TYPE_EXPIF: 1903191983Sweongyo DPRINTF(sc, UPGT_DEBUG_FW, 1904191983Sweongyo "UPGT_BRA_TYPE_EXPIF len=%d\n", bra_option_len); 1905191983Sweongyo break; 1906191983Sweongyo case UPGT_BRA_TYPE_DESCR: 1907191983Sweongyo DPRINTF(sc, UPGT_DEBUG_FW, 1908191983Sweongyo "UPGT_BRA_TYPE_DESCR len=%d\n", bra_option_len); 1909191983Sweongyo 1910191983Sweongyo descr = (const struct upgt_fw_bra_descr *)bra_opt->data; 1911191983Sweongyo 1912191983Sweongyo sc->sc_memaddr_frame_start = 1913191983Sweongyo le32toh(descr->memaddr_space_start); 1914191983Sweongyo sc->sc_memaddr_frame_end = 1915191983Sweongyo le32toh(descr->memaddr_space_end); 1916191983Sweongyo 1917191983Sweongyo DPRINTF(sc, UPGT_DEBUG_FW, 1918191983Sweongyo "memory address space start=0x%08x\n", 1919191983Sweongyo sc->sc_memaddr_frame_start); 1920191983Sweongyo DPRINTF(sc, UPGT_DEBUG_FW, 1921191983Sweongyo "memory address space end=0x%08x\n", 1922191983Sweongyo sc->sc_memaddr_frame_end); 1923191983Sweongyo break; 1924191983Sweongyo case UPGT_BRA_TYPE_END: 1925191983Sweongyo DPRINTF(sc, UPGT_DEBUG_FW, "UPGT_BRA_TYPE_END len=%d\n", 1926191983Sweongyo bra_option_len); 1927191983Sweongyo bra_end = 1; 1928191983Sweongyo break; 1929191983Sweongyo default: 1930191983Sweongyo DPRINTF(sc, UPGT_DEBUG_FW, "unknown BRA option len=%d\n", 1931191983Sweongyo bra_option_len); 1932191983Sweongyo error = EIO; 1933191983Sweongyo goto fail; 1934191983Sweongyo } 1935191983Sweongyo 1936191983Sweongyo /* jump to next BRA option */ 1937191983Sweongyo offset += sizeof(struct upgt_fw_bra_option) + bra_option_len; 1938191983Sweongyo } 1939191983Sweongyo 1940191983Sweongyo DPRINTF(sc, UPGT_DEBUG_FW, "%s: firmware verified", __func__); 1941191983Sweongyofail: 1942191983Sweongyo firmware_put(fw, FIRMWARE_UNLOAD); 1943191983Sweongyo return (error); 1944191983Sweongyo} 1945191983Sweongyo 1946191983Sweongyostatic void 1947191983Sweongyoupgt_bulk_tx(struct upgt_softc *sc, struct upgt_data *data) 1948191983Sweongyo{ 1949191983Sweongyo 1950191983Sweongyo UPGT_ASSERT_LOCKED(sc); 1951191983Sweongyo 1952191983Sweongyo STAILQ_INSERT_TAIL(&sc->sc_tx_pending, data, next); 1953191983Sweongyo UPGT_STAT_INC(sc, st_tx_pending); 1954194228Sthompsa usbd_transfer_start(sc->sc_xfer[UPGT_BULK_TX]); 1955191983Sweongyo} 1956191983Sweongyo 1957191983Sweongyostatic int 1958191983Sweongyoupgt_device_reset(struct upgt_softc *sc) 1959191983Sweongyo{ 1960191983Sweongyo struct upgt_data *data; 1961191983Sweongyo char init_cmd[] = { 0x7e, 0x7e, 0x7e, 0x7e }; 1962191983Sweongyo 1963191983Sweongyo UPGT_LOCK(sc); 1964191983Sweongyo 1965191983Sweongyo data = upgt_getbuf(sc); 1966191983Sweongyo if (data == NULL) { 1967191983Sweongyo UPGT_UNLOCK(sc); 1968191983Sweongyo return (ENOBUFS); 1969191983Sweongyo } 1970227461Shselasky memcpy(data->buf, init_cmd, sizeof(init_cmd)); 1971191983Sweongyo data->buflen = sizeof(init_cmd); 1972191983Sweongyo upgt_bulk_tx(sc, data); 1973194228Sthompsa usb_pause_mtx(&sc->sc_mtx, 100); 1974191983Sweongyo 1975191983Sweongyo UPGT_UNLOCK(sc); 1976191983Sweongyo DPRINTF(sc, UPGT_DEBUG_FW, "%s: device initialized\n", __func__); 1977191983Sweongyo return (0); 1978191983Sweongyo} 1979191983Sweongyo 1980191983Sweongyostatic int 1981191983Sweongyoupgt_alloc_tx(struct upgt_softc *sc) 1982191983Sweongyo{ 1983191983Sweongyo int i; 1984191983Sweongyo 1985191983Sweongyo STAILQ_INIT(&sc->sc_tx_active); 1986191983Sweongyo STAILQ_INIT(&sc->sc_tx_inactive); 1987191983Sweongyo STAILQ_INIT(&sc->sc_tx_pending); 1988191983Sweongyo 1989191983Sweongyo for (i = 0; i < UPGT_TX_MAXCOUNT; i++) { 1990191983Sweongyo struct upgt_data *data = &sc->sc_tx_data[i]; 1991244503Shselasky data->buf = ((uint8_t *)sc->sc_tx_dma_buf) + (i * MCLBYTES); 1992191983Sweongyo STAILQ_INSERT_TAIL(&sc->sc_tx_inactive, data, next); 1993191983Sweongyo UPGT_STAT_INC(sc, st_tx_inactive); 1994191983Sweongyo } 1995191983Sweongyo 1996191983Sweongyo return (0); 1997191983Sweongyo} 1998191983Sweongyo 1999191983Sweongyostatic int 2000191983Sweongyoupgt_alloc_rx(struct upgt_softc *sc) 2001191983Sweongyo{ 2002191983Sweongyo int i; 2003191983Sweongyo 2004191983Sweongyo STAILQ_INIT(&sc->sc_rx_active); 2005191983Sweongyo STAILQ_INIT(&sc->sc_rx_inactive); 2006191983Sweongyo 2007191983Sweongyo for (i = 0; i < UPGT_RX_MAXCOUNT; i++) { 2008191983Sweongyo struct upgt_data *data = &sc->sc_rx_data[i]; 2009244503Shselasky data->buf = ((uint8_t *)sc->sc_rx_dma_buf) + (i * MCLBYTES); 2010191983Sweongyo STAILQ_INSERT_TAIL(&sc->sc_rx_inactive, data, next); 2011191983Sweongyo } 2012191983Sweongyo return (0); 2013191983Sweongyo} 2014191983Sweongyo 2015191983Sweongyostatic int 2016191983Sweongyoupgt_detach(device_t dev) 2017191983Sweongyo{ 2018191983Sweongyo struct upgt_softc *sc = device_get_softc(dev); 2019191983Sweongyo struct ifnet *ifp = sc->sc_ifp; 2020191983Sweongyo struct ieee80211com *ic = ifp->if_l2com; 2021246614Shselasky unsigned int x; 2022191983Sweongyo 2023246614Shselasky /* 2024246614Shselasky * Prevent further allocations from RX/TX/CMD 2025246614Shselasky * data lists and ioctls 2026246614Shselasky */ 2027246614Shselasky UPGT_LOCK(sc); 2028246614Shselasky sc->sc_flags |= UPGT_FLAG_DETACHED; 2029191983Sweongyo 2030246614Shselasky STAILQ_INIT(&sc->sc_tx_active); 2031246614Shselasky STAILQ_INIT(&sc->sc_tx_inactive); 2032246614Shselasky STAILQ_INIT(&sc->sc_tx_pending); 2033246614Shselasky 2034246614Shselasky STAILQ_INIT(&sc->sc_rx_active); 2035246614Shselasky STAILQ_INIT(&sc->sc_rx_inactive); 2036246614Shselasky UPGT_UNLOCK(sc); 2037246614Shselasky 2038191983Sweongyo upgt_stop(sc); 2039191983Sweongyo 2040191983Sweongyo callout_drain(&sc->sc_led_ch); 2041191983Sweongyo callout_drain(&sc->sc_watchdog_ch); 2042191983Sweongyo 2043246614Shselasky /* drain USB transfers */ 2044246614Shselasky for (x = 0; x != UPGT_N_XFERS; x++) 2045246614Shselasky usbd_transfer_drain(sc->sc_xfer[x]); 2046244503Shselasky 2047246614Shselasky /* free data buffers */ 2048246614Shselasky UPGT_LOCK(sc); 2049191983Sweongyo upgt_free_rx(sc); 2050191983Sweongyo upgt_free_tx(sc); 2051246614Shselasky UPGT_UNLOCK(sc); 2052191983Sweongyo 2053246614Shselasky /* free USB transfers and some data buffers */ 2054246614Shselasky usbd_transfer_unsetup(sc->sc_xfer, UPGT_N_XFERS); 2055246614Shselasky 2056246614Shselasky ieee80211_ifdetach(ic); 2057191983Sweongyo if_free(ifp); 2058191983Sweongyo mtx_destroy(&sc->sc_mtx); 2059191983Sweongyo 2060191983Sweongyo return (0); 2061191983Sweongyo} 2062191983Sweongyo 2063191983Sweongyostatic void 2064191983Sweongyoupgt_free_rx(struct upgt_softc *sc) 2065191983Sweongyo{ 2066191983Sweongyo int i; 2067191983Sweongyo 2068191983Sweongyo for (i = 0; i < UPGT_RX_MAXCOUNT; i++) { 2069191983Sweongyo struct upgt_data *data = &sc->sc_rx_data[i]; 2070191983Sweongyo 2071244503Shselasky data->buf = NULL; 2072191983Sweongyo data->ni = NULL; 2073191983Sweongyo } 2074191983Sweongyo} 2075191983Sweongyo 2076191983Sweongyostatic void 2077191983Sweongyoupgt_free_tx(struct upgt_softc *sc) 2078191983Sweongyo{ 2079191983Sweongyo int i; 2080191983Sweongyo 2081191983Sweongyo for (i = 0; i < UPGT_TX_MAXCOUNT; i++) { 2082191983Sweongyo struct upgt_data *data = &sc->sc_tx_data[i]; 2083191983Sweongyo 2084246614Shselasky if (data->ni != NULL) 2085246614Shselasky ieee80211_free_node(data->ni); 2086246614Shselasky 2087244503Shselasky data->buf = NULL; 2088191983Sweongyo data->ni = NULL; 2089191983Sweongyo } 2090191983Sweongyo} 2091191983Sweongyo 2092191983Sweongyostatic void 2093191983Sweongyoupgt_abort_xfers_locked(struct upgt_softc *sc) 2094191983Sweongyo{ 2095191983Sweongyo int i; 2096191983Sweongyo 2097191983Sweongyo UPGT_ASSERT_LOCKED(sc); 2098191983Sweongyo /* abort any pending transfers */ 2099191983Sweongyo for (i = 0; i < UPGT_N_XFERS; i++) 2100194228Sthompsa usbd_transfer_stop(sc->sc_xfer[i]); 2101191983Sweongyo} 2102191983Sweongyo 2103191983Sweongyostatic void 2104191983Sweongyoupgt_abort_xfers(struct upgt_softc *sc) 2105191983Sweongyo{ 2106191983Sweongyo 2107191983Sweongyo UPGT_LOCK(sc); 2108191983Sweongyo upgt_abort_xfers_locked(sc); 2109191983Sweongyo UPGT_UNLOCK(sc); 2110191983Sweongyo} 2111191983Sweongyo 2112191983Sweongyo#define UPGT_SYSCTL_STAT_ADD32(c, h, n, p, d) \ 2113191983Sweongyo SYSCTL_ADD_UINT(c, h, OID_AUTO, n, CTLFLAG_RD, p, 0, d) 2114191983Sweongyo 2115191983Sweongyostatic void 2116191983Sweongyoupgt_sysctl_node(struct upgt_softc *sc) 2117191983Sweongyo{ 2118191983Sweongyo struct sysctl_ctx_list *ctx; 2119191983Sweongyo struct sysctl_oid_list *child; 2120191983Sweongyo struct sysctl_oid *tree; 2121191983Sweongyo struct upgt_stat *stats; 2122191983Sweongyo 2123191983Sweongyo stats = &sc->sc_stat; 2124191983Sweongyo ctx = device_get_sysctl_ctx(sc->sc_dev); 2125191983Sweongyo child = SYSCTL_CHILDREN(device_get_sysctl_tree(sc->sc_dev)); 2126191983Sweongyo 2127191983Sweongyo tree = SYSCTL_ADD_NODE(ctx, child, OID_AUTO, "stats", CTLFLAG_RD, 2128191983Sweongyo NULL, "UPGT statistics"); 2129191983Sweongyo child = SYSCTL_CHILDREN(tree); 2130191983Sweongyo UPGT_SYSCTL_STAT_ADD32(ctx, child, "tx_active", 2131191983Sweongyo &stats->st_tx_active, "Active numbers in TX queue"); 2132191983Sweongyo UPGT_SYSCTL_STAT_ADD32(ctx, child, "tx_inactive", 2133191983Sweongyo &stats->st_tx_inactive, "Inactive numbers in TX queue"); 2134191983Sweongyo UPGT_SYSCTL_STAT_ADD32(ctx, child, "tx_pending", 2135191983Sweongyo &stats->st_tx_pending, "Pending numbers in TX queue"); 2136191983Sweongyo} 2137191983Sweongyo 2138191983Sweongyo#undef UPGT_SYSCTL_STAT_ADD32 2139191983Sweongyo 2140191983Sweongyostatic struct upgt_data * 2141191983Sweongyo_upgt_getbuf(struct upgt_softc *sc) 2142191983Sweongyo{ 2143191983Sweongyo struct upgt_data *bf; 2144191983Sweongyo 2145191983Sweongyo bf = STAILQ_FIRST(&sc->sc_tx_inactive); 2146191983Sweongyo if (bf != NULL) { 2147191983Sweongyo STAILQ_REMOVE_HEAD(&sc->sc_tx_inactive, next); 2148191983Sweongyo UPGT_STAT_DEC(sc, st_tx_inactive); 2149191983Sweongyo } else 2150191983Sweongyo bf = NULL; 2151191983Sweongyo if (bf == NULL) 2152191983Sweongyo DPRINTF(sc, UPGT_DEBUG_XMIT, "%s: %s\n", __func__, 2153191983Sweongyo "out of xmit buffers"); 2154191983Sweongyo return (bf); 2155191983Sweongyo} 2156191983Sweongyo 2157191983Sweongyostatic struct upgt_data * 2158191983Sweongyoupgt_getbuf(struct upgt_softc *sc) 2159191983Sweongyo{ 2160191983Sweongyo struct upgt_data *bf; 2161191983Sweongyo 2162191983Sweongyo UPGT_ASSERT_LOCKED(sc); 2163191983Sweongyo 2164191983Sweongyo bf = _upgt_getbuf(sc); 2165191983Sweongyo if (bf == NULL) { 2166191983Sweongyo struct ifnet *ifp = sc->sc_ifp; 2167191983Sweongyo 2168191983Sweongyo DPRINTF(sc, UPGT_DEBUG_XMIT, "%s: stop queue\n", __func__); 2169191983Sweongyo ifp->if_drv_flags |= IFF_DRV_OACTIVE; 2170191983Sweongyo } 2171191983Sweongyo 2172191983Sweongyo return (bf); 2173191983Sweongyo} 2174191983Sweongyo 2175191983Sweongyostatic struct upgt_data * 2176191983Sweongyoupgt_gettxbuf(struct upgt_softc *sc) 2177191983Sweongyo{ 2178191983Sweongyo struct upgt_data *bf; 2179191983Sweongyo 2180191983Sweongyo UPGT_ASSERT_LOCKED(sc); 2181191983Sweongyo 2182191983Sweongyo bf = upgt_getbuf(sc); 2183191983Sweongyo if (bf == NULL) 2184191983Sweongyo return (NULL); 2185191983Sweongyo 2186191983Sweongyo bf->addr = upgt_mem_alloc(sc); 2187191983Sweongyo if (bf->addr == 0) { 2188191983Sweongyo struct ifnet *ifp = sc->sc_ifp; 2189191983Sweongyo 2190191983Sweongyo DPRINTF(sc, UPGT_DEBUG_XMIT, "%s: no free prism memory!\n", 2191191983Sweongyo __func__); 2192191983Sweongyo STAILQ_INSERT_HEAD(&sc->sc_tx_inactive, bf, next); 2193191983Sweongyo UPGT_STAT_INC(sc, st_tx_inactive); 2194191983Sweongyo if (!(ifp->if_drv_flags & IFF_DRV_OACTIVE)) 2195191983Sweongyo ifp->if_drv_flags |= IFF_DRV_OACTIVE; 2196191983Sweongyo return (NULL); 2197191983Sweongyo } 2198191983Sweongyo return (bf); 2199191983Sweongyo} 2200191983Sweongyo 2201191983Sweongyostatic int 2202191983Sweongyoupgt_tx_start(struct upgt_softc *sc, struct mbuf *m, struct ieee80211_node *ni, 2203191983Sweongyo struct upgt_data *data) 2204191983Sweongyo{ 2205192468Ssam struct ieee80211vap *vap = ni->ni_vap; 2206191983Sweongyo int error = 0, len; 2207191983Sweongyo struct ieee80211_frame *wh; 2208191983Sweongyo struct ieee80211_key *k; 2209191983Sweongyo struct ifnet *ifp = sc->sc_ifp; 2210191983Sweongyo struct upgt_lmac_mem *mem; 2211191983Sweongyo struct upgt_lmac_tx_desc *txdesc; 2212191983Sweongyo 2213191983Sweongyo UPGT_ASSERT_LOCKED(sc); 2214191983Sweongyo 2215191983Sweongyo upgt_set_led(sc, UPGT_LED_BLINK); 2216191983Sweongyo 2217191983Sweongyo /* 2218191983Sweongyo * Software crypto. 2219191983Sweongyo */ 2220191983Sweongyo wh = mtod(m, struct ieee80211_frame *); 2221191983Sweongyo if (wh->i_fc[1] & IEEE80211_FC1_WEP) { 2222191983Sweongyo k = ieee80211_crypto_encap(ni, m); 2223191983Sweongyo if (k == NULL) { 2224191983Sweongyo device_printf(sc->sc_dev, 2225191983Sweongyo "ieee80211_crypto_encap returns NULL.\n"); 2226191983Sweongyo error = EIO; 2227191983Sweongyo goto done; 2228191983Sweongyo } 2229191983Sweongyo 2230191983Sweongyo /* in case packet header moved, reset pointer */ 2231191983Sweongyo wh = mtod(m, struct ieee80211_frame *); 2232191983Sweongyo } 2233191983Sweongyo 2234191983Sweongyo /* Transmit the URB containing the TX data. */ 2235227461Shselasky memset(data->buf, 0, MCLBYTES); 2236191983Sweongyo mem = (struct upgt_lmac_mem *)data->buf; 2237191983Sweongyo mem->addr = htole32(data->addr); 2238191983Sweongyo txdesc = (struct upgt_lmac_tx_desc *)(mem + 1); 2239191983Sweongyo 2240191983Sweongyo if ((wh->i_fc[0] & IEEE80211_FC0_TYPE_MASK) == 2241191983Sweongyo IEEE80211_FC0_TYPE_MGT) { 2242191983Sweongyo /* mgmt frames */ 2243191983Sweongyo txdesc->header1.flags = UPGT_H1_FLAGS_TX_MGMT; 2244191983Sweongyo /* always send mgmt frames at lowest rate (DS1) */ 2245191983Sweongyo memset(txdesc->rates, 0x10, sizeof(txdesc->rates)); 2246191983Sweongyo } else { 2247191983Sweongyo /* data frames */ 2248191983Sweongyo txdesc->header1.flags = UPGT_H1_FLAGS_TX_DATA; 2249227461Shselasky memcpy(txdesc->rates, sc->sc_cur_rateset, sizeof(txdesc->rates)); 2250191983Sweongyo } 2251191983Sweongyo txdesc->header1.type = UPGT_H1_TYPE_TX_DATA; 2252191983Sweongyo txdesc->header1.len = htole16(m->m_pkthdr.len); 2253191983Sweongyo txdesc->header2.reqid = htole32(data->addr); 2254191983Sweongyo txdesc->header2.type = htole16(UPGT_H2_TYPE_TX_ACK_YES); 2255191983Sweongyo txdesc->header2.flags = htole16(UPGT_H2_FLAGS_TX_ACK_YES); 2256191983Sweongyo txdesc->type = htole32(UPGT_TX_DESC_TYPE_DATA); 2257191983Sweongyo txdesc->pad3[0] = UPGT_TX_DESC_PAD3_SIZE; 2258191983Sweongyo 2259192468Ssam if (ieee80211_radiotap_active_vap(vap)) { 2260191983Sweongyo struct upgt_tx_radiotap_header *tap = &sc->sc_txtap; 2261191983Sweongyo 2262191983Sweongyo tap->wt_flags = 0; 2263191983Sweongyo tap->wt_rate = 0; /* XXX where to get from? */ 2264191983Sweongyo 2265192468Ssam ieee80211_radiotap_tx(vap, m); 2266191983Sweongyo } 2267191983Sweongyo 2268191983Sweongyo /* copy frame below our TX descriptor header */ 2269191983Sweongyo m_copydata(m, 0, m->m_pkthdr.len, 2270191983Sweongyo data->buf + (sizeof(*mem) + sizeof(*txdesc))); 2271191983Sweongyo /* calculate frame size */ 2272191983Sweongyo len = sizeof(*mem) + sizeof(*txdesc) + m->m_pkthdr.len; 2273191983Sweongyo /* we need to align the frame to a 4 byte boundary */ 2274191983Sweongyo len = (len + 3) & ~3; 2275191983Sweongyo /* calculate frame checksum */ 2276191983Sweongyo mem->chksum = upgt_chksum_le((uint32_t *)txdesc, len - sizeof(*mem)); 2277191983Sweongyo data->ni = ni; 2278191983Sweongyo data->m = m; 2279191983Sweongyo data->buflen = len; 2280191983Sweongyo 2281191983Sweongyo DPRINTF(sc, UPGT_DEBUG_XMIT, "%s: TX start data sending (%d bytes)\n", 2282191983Sweongyo __func__, len); 2283191983Sweongyo KASSERT(len <= MCLBYTES, ("mbuf is small for saving data")); 2284191983Sweongyo 2285191983Sweongyo upgt_bulk_tx(sc, data); 2286191983Sweongyodone: 2287191983Sweongyo /* 2288191983Sweongyo * If we don't regulary read the device statistics, the RX queue 2289191983Sweongyo * will stall. It's strange, but it works, so we keep reading 2290191983Sweongyo * the statistics here. *shrug* 2291191983Sweongyo */ 2292191983Sweongyo if (!(ifp->if_opackets % UPGT_TX_STAT_INTERVAL)) 2293191983Sweongyo upgt_get_stats(sc); 2294191983Sweongyo 2295191983Sweongyo return (error); 2296191983Sweongyo} 2297191983Sweongyo 2298191983Sweongyostatic void 2299194677Sthompsaupgt_bulk_rx_callback(struct usb_xfer *xfer, usb_error_t error) 2300191983Sweongyo{ 2301194677Sthompsa struct upgt_softc *sc = usbd_xfer_softc(xfer); 2302191983Sweongyo struct ifnet *ifp = sc->sc_ifp; 2303191983Sweongyo struct ieee80211com *ic = ifp->if_l2com; 2304191983Sweongyo struct ieee80211_frame *wh; 2305191983Sweongyo struct ieee80211_node *ni; 2306191983Sweongyo struct mbuf *m = NULL; 2307191983Sweongyo struct upgt_data *data; 2308191983Sweongyo int8_t nf; 2309191983Sweongyo int rssi = -1; 2310191983Sweongyo 2311191983Sweongyo UPGT_ASSERT_LOCKED(sc); 2312191983Sweongyo 2313191983Sweongyo switch (USB_GET_STATE(xfer)) { 2314191983Sweongyo case USB_ST_TRANSFERRED: 2315191983Sweongyo data = STAILQ_FIRST(&sc->sc_rx_active); 2316191983Sweongyo if (data == NULL) 2317191983Sweongyo goto setup; 2318191983Sweongyo STAILQ_REMOVE_HEAD(&sc->sc_rx_active, next); 2319191983Sweongyo m = upgt_rxeof(xfer, data, &rssi); 2320191983Sweongyo STAILQ_INSERT_TAIL(&sc->sc_rx_inactive, data, next); 2321191983Sweongyo /* FALLTHROUGH */ 2322191983Sweongyo case USB_ST_SETUP: 2323191983Sweongyosetup: 2324191983Sweongyo data = STAILQ_FIRST(&sc->sc_rx_inactive); 2325191983Sweongyo if (data == NULL) 2326191983Sweongyo return; 2327191983Sweongyo STAILQ_REMOVE_HEAD(&sc->sc_rx_inactive, next); 2328191983Sweongyo STAILQ_INSERT_TAIL(&sc->sc_rx_active, data, next); 2329244503Shselasky usbd_xfer_set_frame_data(xfer, 0, data->buf, MCLBYTES); 2330194228Sthompsa usbd_transfer_submit(xfer); 2331191983Sweongyo 2332191983Sweongyo /* 2333191983Sweongyo * To avoid LOR we should unlock our private mutex here to call 2334191983Sweongyo * ieee80211_input() because here is at the end of a USB 2335191983Sweongyo * callback and safe to unlock. 2336191983Sweongyo */ 2337191983Sweongyo UPGT_UNLOCK(sc); 2338191983Sweongyo if (m != NULL) { 2339191983Sweongyo wh = mtod(m, struct ieee80211_frame *); 2340191983Sweongyo ni = ieee80211_find_rxnode(ic, 2341191983Sweongyo (struct ieee80211_frame_min *)wh); 2342191983Sweongyo nf = -95; /* XXX */ 2343191983Sweongyo if (ni != NULL) { 2344192468Ssam (void) ieee80211_input(ni, m, rssi, nf); 2345191983Sweongyo /* node is no longer needed */ 2346191983Sweongyo ieee80211_free_node(ni); 2347191983Sweongyo } else 2348192468Ssam (void) ieee80211_input_all(ic, m, rssi, nf); 2349191983Sweongyo m = NULL; 2350191983Sweongyo } 2351198099Sweongyo if ((ifp->if_drv_flags & IFF_DRV_OACTIVE) == 0 && 2352198099Sweongyo !IFQ_IS_EMPTY(&ifp->if_snd)) 2353198099Sweongyo upgt_start(ifp); 2354191983Sweongyo UPGT_LOCK(sc); 2355191983Sweongyo break; 2356191983Sweongyo default: 2357191983Sweongyo /* needs it to the inactive queue due to a error. */ 2358191983Sweongyo data = STAILQ_FIRST(&sc->sc_rx_active); 2359191983Sweongyo if (data != NULL) { 2360191983Sweongyo STAILQ_REMOVE_HEAD(&sc->sc_rx_active, next); 2361191983Sweongyo STAILQ_INSERT_TAIL(&sc->sc_rx_inactive, data, next); 2362191983Sweongyo } 2363194677Sthompsa if (error != USB_ERR_CANCELLED) { 2364194677Sthompsa usbd_xfer_set_stall(xfer); 2365191983Sweongyo ifp->if_ierrors++; 2366191983Sweongyo goto setup; 2367191983Sweongyo } 2368191983Sweongyo break; 2369191983Sweongyo } 2370191983Sweongyo} 2371191983Sweongyo 2372191983Sweongyostatic void 2373194677Sthompsaupgt_bulk_tx_callback(struct usb_xfer *xfer, usb_error_t error) 2374191983Sweongyo{ 2375194677Sthompsa struct upgt_softc *sc = usbd_xfer_softc(xfer); 2376191983Sweongyo struct ifnet *ifp = sc->sc_ifp; 2377191983Sweongyo struct upgt_data *data; 2378191983Sweongyo 2379191983Sweongyo UPGT_ASSERT_LOCKED(sc); 2380191983Sweongyo switch (USB_GET_STATE(xfer)) { 2381191983Sweongyo case USB_ST_TRANSFERRED: 2382191983Sweongyo data = STAILQ_FIRST(&sc->sc_tx_active); 2383191983Sweongyo if (data == NULL) 2384191983Sweongyo goto setup; 2385191983Sweongyo STAILQ_REMOVE_HEAD(&sc->sc_tx_active, next); 2386191983Sweongyo UPGT_STAT_DEC(sc, st_tx_active); 2387191983Sweongyo upgt_txeof(xfer, data); 2388191983Sweongyo STAILQ_INSERT_TAIL(&sc->sc_tx_inactive, data, next); 2389191983Sweongyo UPGT_STAT_INC(sc, st_tx_inactive); 2390191983Sweongyo /* FALLTHROUGH */ 2391191983Sweongyo case USB_ST_SETUP: 2392191983Sweongyosetup: 2393191983Sweongyo data = STAILQ_FIRST(&sc->sc_tx_pending); 2394191983Sweongyo if (data == NULL) { 2395191983Sweongyo DPRINTF(sc, UPGT_DEBUG_XMIT, "%s: empty pending queue\n", 2396191983Sweongyo __func__); 2397191983Sweongyo return; 2398191983Sweongyo } 2399191983Sweongyo STAILQ_REMOVE_HEAD(&sc->sc_tx_pending, next); 2400191983Sweongyo UPGT_STAT_DEC(sc, st_tx_pending); 2401191983Sweongyo STAILQ_INSERT_TAIL(&sc->sc_tx_active, data, next); 2402191983Sweongyo UPGT_STAT_INC(sc, st_tx_active); 2403191983Sweongyo 2404194677Sthompsa usbd_xfer_set_frame_data(xfer, 0, data->buf, data->buflen); 2405194228Sthompsa usbd_transfer_submit(xfer); 2406191983Sweongyo UPGT_UNLOCK(sc); 2407191983Sweongyo upgt_start(ifp); 2408191983Sweongyo UPGT_LOCK(sc); 2409191983Sweongyo break; 2410191983Sweongyo default: 2411191983Sweongyo data = STAILQ_FIRST(&sc->sc_tx_active); 2412191983Sweongyo if (data == NULL) 2413191983Sweongyo goto setup; 2414191983Sweongyo if (data->ni != NULL) { 2415191983Sweongyo ieee80211_free_node(data->ni); 2416191983Sweongyo data->ni = NULL; 2417191983Sweongyo ifp->if_oerrors++; 2418191983Sweongyo } 2419194677Sthompsa if (error != USB_ERR_CANCELLED) { 2420194677Sthompsa usbd_xfer_set_stall(xfer); 2421191983Sweongyo goto setup; 2422191983Sweongyo } 2423191983Sweongyo break; 2424191983Sweongyo } 2425191983Sweongyo} 2426191983Sweongyo 2427191983Sweongyostatic device_method_t upgt_methods[] = { 2428191983Sweongyo /* Device interface */ 2429191983Sweongyo DEVMETHOD(device_probe, upgt_match), 2430191983Sweongyo DEVMETHOD(device_attach, upgt_attach), 2431191983Sweongyo DEVMETHOD(device_detach, upgt_detach), 2432244503Shselasky DEVMETHOD_END 2433191983Sweongyo}; 2434191983Sweongyo 2435191983Sweongyostatic driver_t upgt_driver = { 2436233774Shselasky .name = "upgt", 2437233774Shselasky .methods = upgt_methods, 2438233774Shselasky .size = sizeof(struct upgt_softc) 2439191983Sweongyo}; 2440191983Sweongyo 2441191983Sweongyostatic devclass_t upgt_devclass; 2442191983Sweongyo 2443191983SweongyoDRIVER_MODULE(if_upgt, uhub, upgt_driver, upgt_devclass, NULL, 0); 2444191983SweongyoMODULE_VERSION(if_upgt, 1); 2445191983SweongyoMODULE_DEPEND(if_upgt, usb, 1, 1, 1); 2446191983SweongyoMODULE_DEPEND(if_upgt, wlan, 1, 1, 1); 2447191983SweongyoMODULE_DEPEND(if_upgt, upgtfw_fw, 1, 1, 1); 2448