/* $OpenBSD: if_zyd.c,v 1.23 2006/07/04 15:49:19 xsa Exp $ */ /* * Copyright (c) 2006 by Florian Stoehr * * Permission to use, copy, modify, and distribute this software for any * purpose with or without fee is hereby granted, provided that the above * copyright notice and this permission notice appear in all copies. * * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ /* * ZyDAS ZD1211 USB WLAN driver */ #define ZYD_DEBUG #include #include "bpfilter.h" #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #if NBPFILTER > 0 #include #include #endif #include #include #include #include #include #ifdef INET #include #include #endif #include #include #ifdef USB_DEBUG #define ZYD_DEBUG //#define ZYD_INTRDUMP #endif #include /* Debug printf helper macros */ #ifdef ZYD_DEBUG #define DPRINTF(x) do { if (zyddebug) printf x; } while (0) #define DPRINTFN(n,x) do { if (zyddebug>(n)) printf x; } while (0) int zyddebug = 1; #else #define DPRINTF(x) #define DPRINTFN(n,x) #endif static const struct usb_devno zyd_devs[] = { { USB_VENDOR_3COM2, USB_PRODUCT_3COM2_3CRUSB10075 }, { USB_VENDOR_ABOCOM, USB_PRODUCT_ABOCOM_WL54 }, { USB_VENDOR_ASUS, USB_PRODUCT_ASUS_WL159G }, { USB_VENDOR_CYBERTAN, USB_PRODUCT_CYBERTAN_TG54USB }, { USB_VENDOR_DRAYTEK, USB_PRODUCT_DRAYTEK_VIGOR550 }, { USB_VENDOR_PLANEX2, USB_PRODUCT_PLANEX2_GWUS54GZL }, { USB_VENDOR_PLANEX3, USB_PRODUCT_PLANEX3_GWUS54MINI }, { USB_VENDOR_SAGEM, USB_PRODUCT_SAGEM_XG760A }, { USB_VENDOR_SITECOMEU, USB_PRODUCT_SITECOMEU_WL113 }, { USB_VENDOR_SWEEX, USB_PRODUCT_SWEEX_ZD1211 }, { USB_VENDOR_TEKRAM, USB_PRODUCT_TEKRAM_QUICKWLAN }, { USB_VENDOR_TEKRAM, USB_PRODUCT_TEKRAM_ZD1211 }, { USB_VENDOR_TWINMOS, USB_PRODUCT_TWINMOS_G240 }, { USB_VENDOR_UMEDIA, USB_PRODUCT_UMEDIA_TEW429UB }, { USB_VENDOR_WISTRONNEWEB, USB_PRODUCT_WISTRONNEWEB_UR055G }, { USB_VENDOR_ZYDAS, USB_PRODUCT_ZYDAS_ZD1211 }, { USB_VENDOR_ZYXEL, USB_PRODUCT_ZYXEL_ZYAIRG220 } }; USB_DECLARE_DRIVER_CLASS(zyd, DV_IFNET); uint16_t zyd_getrealaddr(struct zyd_softc *, uint32_t); usbd_status zyd_usbrequest(struct zyd_softc *, uint8_t, uint8_t, uint16_t, uint16_t, uint16_t, uint8_t *); usbd_status zyd_usbrequestzc(struct zyd_softc *, struct zyd_control *); void zyd_reset(struct zyd_softc *); usbd_status zyd_usb_bulk_read(struct zyd_softc *, void *, uint32_t, uint32_t *); usbd_status zyd_usb_bulk_write(struct zyd_softc *, void *, uint32_t); Static void zydintr(usbd_xfer_handle, usbd_private_handle, usbd_status); int zyd_usb_intr_read(struct zyd_softc *, void *, uint32_t); usbd_status zyd_usb_intr_write(struct zyd_softc *, void *, uint32_t); uint32_t zyd_addrinc(uint32_t); int zyd_read16(struct zyd_softc *, uint32_t, uint16_t *); int zyd_read32(struct zyd_softc *, uint32_t, uint32_t *); int zyd_read16_multi(struct zyd_softc *, uint32_t *, uint16_t *, uint8_t); int zyd_read32_multi(struct zyd_softc *, uint32_t *, uint32_t *, uint8_t); usbd_status zyd_write16(struct zyd_softc *, uint32_t, uint16_t); usbd_status zyd_write32(struct zyd_softc *, uint32_t, uint32_t); usbd_status zyd_write16_multi(struct zyd_softc *, uint32_t *, uint16_t *, uint8_t); usbd_status zyd_write32_multi(struct zyd_softc *, uint32_t *, uint32_t *, uint8_t); usbd_status zyd_write16_batch(struct zyd_softc *, const struct zyd_adpairs16 *, int); usbd_status zyd_write32_batch(struct zyd_softc *, const struct zyd_adpairs32 *, int); usbd_status zyd_rfwrite(struct zyd_softc *, uint32_t, uint8_t); int zyd_openpipes(struct zyd_softc *); void zyd_closepipes(struct zyd_softc *); int zyd_alloc_tx(struct zyd_softc *); void zyd_free_tx(struct zyd_softc *); int zyd_alloc_rx(struct zyd_softc *); void zyd_free_rx(struct zyd_softc *); void zyd_stateoutput(struct zyd_softc *); void zyd_txeof(usbd_xfer_handle, usbd_private_handle, usbd_status); void zyd_rxframeproc(struct zyd_rx_data *, uint8_t *, uint16_t); void zyd_rxeof(usbd_xfer_handle, usbd_private_handle, usbd_status); int zyd_uploadfirmware(struct zyd_softc *); void zyd_attachhook(void *); void zyd_lock_phy(struct zyd_softc *); void zyd_unlock_phy(struct zyd_softc *); usbd_status zyd_get_aw_pt_bi(struct zyd_softc *, struct zyd_aw_pt_bi *); usbd_status zyd_set_aw_pt_bi(struct zyd_softc *, struct zyd_aw_pt_bi *); usbd_status zyd_set_beacon_interval(struct zyd_softc *, uint32_t); const char *zyd_rf_name(uint8_t); usbd_status zyd_read_rf_pa_types(struct zyd_softc *, uint8_t *, uint8_t *); usbd_status zyd_rf_rfmd_init(struct zyd_softc *, struct zyd_rf *); usbd_status zyd_rf_rfmd_switchradio(struct zyd_softc *, uint8_t); usbd_status zyd_rf_rfmd_set_channel(struct zyd_softc *, struct zyd_rf *, uint8_t); usbd_status zyd_rf_al2230_init(struct zyd_softc *, struct zyd_rf *); usbd_status zyd_rf_al2230_switchradio(struct zyd_softc *, uint8_t); usbd_status zyd_rf_al2230_set_channel(struct zyd_softc *, struct zyd_rf *, uint8_t); usbd_status zyd_rf_init_hw(struct zyd_softc *, struct zyd_rf *, uint8_t); usbd_status zyd_hw_init(struct zyd_softc *, struct ieee80211com *); usbd_status zyd_get_e2p_mac_addr(struct zyd_softc *, struct zyd_macaddr *); usbd_status zyd_set_mac_addr(struct zyd_softc *, const struct zyd_macaddr *); usbd_status zyd_read_regdomain(struct zyd_softc *, uint8_t *); int zyd_regdomain_supported(uint8_t); int zyd_tblreader(struct zyd_softc *, uint8_t *, size_t, uint32_t, uint32_t); int zyd_readcaltables(struct zyd_softc *); int zyd_reset_channel(struct zyd_softc *); usbd_status zyd_set_encryption_type(struct zyd_softc *, uint32_t); usbd_status zyd_switch_radio(struct zyd_softc *, uint8_t); usbd_status zyd_enable_hwint(struct zyd_softc *); usbd_status zyd_disable_hwint(struct zyd_softc *); usbd_status zyd_set_basic_rates(struct zyd_softc *, int); usbd_status zyd_set_mandatory_rates(struct zyd_softc *, int); usbd_status zyd_reset_mode(struct zyd_softc *); usbd_status zyd_set_bssid(struct zyd_softc *, uint8_t *); usbd_status zyd_complete_attach(struct zyd_softc *); int zyd_media_change(struct ifnet *); int zyd_newstate(struct ieee80211com *, enum ieee80211_state, int); int zyd_initial_config(struct zyd_softc *); void zyd_update_promisc(struct zyd_softc *); uint16_t zyd_txtime(int, int, uint32_t); uint8_t zyd_plcp_signal(int); uint16_t zyd_calc_useclen(int, uint16_t, uint8_t *); void zyd_setup_tx_desc(struct zyd_softc *, struct zyd_controlsetformat *, struct mbuf *, int, int); int zyd_tx_mgt(struct zyd_softc *, struct mbuf *, struct ieee80211_node *); int zyd_tx_data(struct zyd_softc *, struct mbuf *, struct ieee80211_node *); int zyd_tx_bcn(struct zyd_softc *, struct mbuf *, struct ieee80211_node *); void zyd_set_chan(struct zyd_softc *, struct ieee80211_channel *); /* Registered @ if */ int zyd_init(struct ifnet *); /*void zyd_stop(struct ifnet *, int);*/ void zyd_start(struct ifnet *); int zyd_ioctl(struct ifnet *, u_long, caddr_t); void zyd_watchdog(struct ifnet *); void zyd_next_scan(void *); void zyd_task(void *); /* Device, regardless of RF */ static const struct zyd_adpairs16 zyd_def_cr[] = { ZYD_DEF_CR }; static const struct zyd_adpairs32 zyd_def_mac[] = { ZYD_DEF_MAC }; /* RF2959 */ static const struct zyd_adpairs16 zyd_rfmd_cr[] = { ZYD_RFMD_CR }; static const uint32_t zyd_rfmd_rf[] = { ZYD_RFMD_RF }; /* AL2230 */ static const struct zyd_adpairs16 zyd_al2230_cr[] = { ZYD_AL2230_CR }; static const uint32_t zyd_al2230_rf[] = { ZYD_AL2230_RF }; /* * Debug dump */ void bindump(uint8_t *, int); void bindump(uint8_t *ptr, int len) { int i; for (i = 0; i < len; i++) { DPRINTF(("%02x=%02x ", i, *(ptr + i))); if ((i > 0) && (!((i + 1) % 7))) DPRINTF(("\n")); } DPRINTF(("\n")); } /* * Get the real address from a range-mangled address */ uint16_t zyd_getrealaddr(struct zyd_softc *sc, uint32_t mangled_addr) { uint16_t add; uint16_t res; uint16_t blubb; add = 0; switch (ZYD_GET_RANGE(mangled_addr)) { case ZYD_RANGE_USB: break; case ZYD_RANGE_CTL: add = ZYD_CTRL_START_ADDR; break; case ZYD_RANGE_E2P: add = ZYD_E2P_START_ADDR; break; case ZYD_RANGE_FW: add = sc->firmware_base; break; } res = (add + ZYD_GET_OFFS(mangled_addr)); blubb = ZYD_GET_OFFS(mangled_addr); /* DPRINTF(("mangled = %x, add = %x, blubb = %x, result = %x\n", mangled_addr, add, blubb, res));*/ return res; } /* * USB request basic wrapper */ usbd_status zyd_usbrequest(struct zyd_softc *sc, uint8_t type, uint8_t request, uint16_t value, uint16_t index, uint16_t length, uint8_t *data) { usb_device_request_t req; usbd_xfer_handle xfer; usbd_status err; int total_len = 0, s; req.bmRequestType = type; req.bRequest = request; USETW(req.wValue, value); USETW(req.wIndex, index); USETW(req.wLength, length); #ifdef ZYD_DEBUG if (zyddebug) { DPRINTFN(20, ("%s: req=%02x val=%02x ind=%02x " "len=%02x\n", USBDEVNAME(sc->zyd_dev), request, value, index, length)); } #endif /* ZYD_DEBUG */ /* Block network interrupts */ s = splnet(); xfer = usbd_alloc_xfer(sc->zyd_udev); usbd_setup_default_xfer(xfer, sc->zyd_udev, 0, 500000, &req, data, length, USBD_SHORT_XFER_OK, 0); err = usbd_sync_transfer(xfer); usbd_get_xfer_status(xfer, NULL, NULL, &total_len, NULL); #ifdef ZYD_DEBUG if (zyddebug) { if (type & UT_READ) { DPRINTFN(20, ("%s: transfered 0x%x bytes in\n", USBDEVNAME(sc->zyd_dev), total_len)); } else { if (total_len != length) DPRINTF(("%s: wrote only %x bytes\n", USBDEVNAME(sc->zyd_dev), total_len)); } } #endif /* ZYD_DEBUG */ usbd_free_xfer(xfer); /* Allow interrupts again */ splx(s); return (err); } /* * Same, higher level */ usbd_status zyd_usbrequestzc(struct zyd_softc *sc, struct zyd_control *zc) { return zyd_usbrequest(sc, zc->type, zc->id, zc->value, zc->index, zc->length, zc->data); } /* * Issue a SET_CONFIGURATION command, which will reset the device. */ void zyd_reset(struct zyd_softc *sc) { if (usbd_set_config_no(sc->zyd_udev, ZYD_CONFIG_NO, 1) || usbd_device2interface_handle(sc->zyd_udev, ZYD_IFACE_IDX, &sc->zyd_iface)) printf("%s: reset failed\n", USBDEVNAME(sc->zyd_dev)); /* Wait a little while for the chip to get its brains in order. */ usbd_delay_ms(sc->zyd_udev, 100); } /* * Bulk transfer, read */ usbd_status zyd_usb_bulk_read(struct zyd_softc *sc, void *data, uint32_t size, uint32_t *readbytes) { usbd_xfer_handle xfer; usbd_status err; int timeout = 1000; xfer = usbd_alloc_xfer(sc->zyd_udev); if (xfer == NULL) return (EIO); err = usbd_bulk_transfer(xfer, sc->zyd_ep[ZYD_ENDPT_BIN], 0, timeout, data, &size, "zydrb"); usbd_free_xfer(xfer); *readbytes = size; return (err); } /* * Bulk transfer, write */ usbd_status zyd_usb_bulk_write(struct zyd_softc *sc, void *data, uint32_t size) { usbd_xfer_handle xfer; usbd_status err; int timeout = 1000; xfer = usbd_alloc_xfer(sc->zyd_udev); if (xfer == NULL) return (EIO); err = usbd_bulk_transfer(xfer, sc->zyd_ep[ZYD_ENDPT_BOUT], 0, timeout, data, &size, "zydwb"); usbd_free_xfer(xfer); return (err); } /* * Callback handler for interrupt transfer */ Static void zydintr(usbd_xfer_handle xfer, usbd_private_handle thehandle, usbd_status status) { struct zyd_softc *sc = thehandle; uint32_t count; /* char rawbuf[1024]; char tmpbuf[100]; int i;*/ DPRINTFN(2, ("zydintr: status=%d\n", status)); if (status == USBD_CANCELLED) return; if (status != USBD_NORMAL_COMPLETION) { if (status == USBD_STALLED) usbd_clear_endpoint_stall_async(sc->zyd_ep[ZYD_ENDPT_IIN]); return; } /* DPRINTF(("zydintr: getting xfer status\n"));*/ usbd_get_xfer_status(xfer, NULL, NULL, &count, NULL); /* DPRINTF(("zydintr: xfer=%p status=%d count=%d\n", xfer, status, count));*/ /* memset(rawbuf, 0, 1024); strcpy(rawbuf, "data: "); for (i = 0; i < count; ++i) { sprintf(tmpbuf, "%d:%02X ", i, *(sc->ibuf + i)); strcat(rawbuf, tmpbuf); }*/ /* DPRINTF(("zydintr: raw buffer is %s\n", rawbuf));*/ (void)b_to_q(sc->ibuf, count, &sc->q_reply); if (sc->pending) { sc->pending = 0; DPRINTFN(5, ("zydintr: waking %p\n", sc)); wakeup(sc); } /* selnotify(&sc->rsel, 0);*/ } /* * Interrupt call reply transfer, read */ int zyd_usb_intr_read(struct zyd_softc *sc, void *data, uint32_t size) { int s, error; error = 0; /* Block until we got the interrupt */ s = splusb(); while (sc->q_reply.c_cc == 0) { /* It was an interrupt, but it is not affecting us */ sc->pending = 1; DPRINTFN(5, ("zyd_usb_intr_read: sleep on %p\n", sc)); error = tsleep(sc, PZERO | PCATCH, "zydri", 0); DPRINTFN(5, ("zyd_usb_intr_read: woke, error=%d\n", error)); if (error) { sc->pending = 0; break; } } /* * Unfortunately, the ZD1211 transmits more bytes than * actually requested. Fetch everything in the queue * here. zyd_intr() uses different queues for different * types of data, "q_reply" is always the "reply-to-call" * queue, so it's safe to fetch the whole buffer here, * parallel register read request are not allowed. */ /* * The buffer contains 2 bytes header, then pairs * of 2 bytes address + 2 bytes data. Plus some * ZD1211-garbage (grrr....). */ if ((sc->q_reply.c_cc > 0) && (!error)) q_to_b(&sc->q_reply, data, size); /* Flush the queue */ ndflush(&sc->q_reply, sc->q_reply.c_cc); /* Allow all interrupts again */ splx(s); return (error); } /* * Interrupt transfer, write. * * Not always an "interrupt transfer", as if operating in * full speed mode, EP4 is bulk out, not interrupt out. */ usbd_status zyd_usb_intr_write(struct zyd_softc *sc, void *data, uint32_t size) { usbd_xfer_handle xfer; usbd_status err; int timeout = 1000; /* uint32_t size1 = size;*/ #ifdef ZYD_INTRDUMP DPRINTF(("intrwrite raw dump:\n")); bindump(data, size); #endif xfer = usbd_alloc_xfer(sc->zyd_udev); if (xfer == NULL) return (EIO); /* Only use the interrupt transfer in high speed mode */ if (sc->zyd_udev->speed == USB_SPEED_HIGH) { err = usbd_intr_transfer(xfer, sc->zyd_ep[ZYD_ENDPT_IOUT], 0, timeout, (uint8_t *)data, &size, "zydwi"); } else { err = usbd_bulk_transfer(xfer, sc->zyd_ep[ZYD_ENDPT_IOUT], 0, timeout, (uint8_t *)data, &size, "zydwi"); } /* DPRINTF(("zyd_usb_intr_write: err = %d, size = %d, size1 = %d\n", err, size, size1));*/ usbd_free_xfer(xfer); return (err); } /* * Offset correction (all ranges except CTL use word addressing) */ uint32_t zyd_addrinc(uint32_t addr) { uint32_t range = ZYD_GET_RANGE(addr); uint32_t offs = ZYD_GET_OFFS(addr); offs += (range == ZYD_RANGE_CTL) ? 2 : 1; return (range | offs); } /* * Read a single 16-bit register */ int zyd_read16(struct zyd_softc *sc, uint32_t addr, uint16_t *value) { return zyd_read16_multi(sc, &addr, value, 1); } /* * Read a single 32-bit register */ int zyd_read32(struct zyd_softc *sc, uint32_t addr, uint32_t *value) { return zyd_read32_multi(sc, &addr, value, 1); } /* * Read up to 15 16-bit registers (newer firmware versions) */ int zyd_read16_multi(struct zyd_softc *sc, uint32_t *addrs, uint16_t *data, uint8_t usecount) { struct zyd_intoutmultiread in; struct zyd_intinmultioutput op; int i, rv; int s; memset(&in, 0, sizeof(struct zyd_intoutmultiread)); memset(&op, 0, sizeof(struct zyd_intinmultioutput)); USETW(in.id, ZYD_CMD_IORDREQ); for (i = 0; i < usecount; i++) USETW(in.addr[i], zyd_getrealaddr(sc, addrs[i])); s = splnet(); zyd_usb_intr_write(sc, &in, (2 + (usecount * 2))); rv = zyd_usb_intr_read(sc, &op, (2 + (usecount * 4))); splx(s); for (i = 0; i < usecount; i++) { data[i] = UGETW(op.registers[i].data); } return rv; } /* * Read up to 7 32-bit registers (newer firmware versions) */ int zyd_read32_multi(struct zyd_softc *sc, uint32_t *addrs, uint32_t *data, uint8_t usecount) { struct zyd_intoutmultiread in; struct zyd_intinmultioutput op; int i, rv; int realcount; int s; realcount = usecount * 2; memset(&in, 0, sizeof(struct zyd_intoutmultiread)); memset(&op, 0, sizeof(struct zyd_intinmultioutput)); USETW(in.id, ZYD_CMD_IORDREQ); for (i = 0; i < usecount; i++) { /* high word is first */ USETW(in.addr[i * 2], zyd_getrealaddr(sc, zyd_addrinc(addrs[i]))); USETW(in.addr[(i * 2) + 1], zyd_getrealaddr(sc, addrs[i])); } s = splnet(); zyd_usb_intr_write(sc, &in, (2 + (realcount * 2))); rv = zyd_usb_intr_read(sc, &op, (2 + (realcount * 4))); splx(s); for (i = 0; i < usecount; i++) { data[i] = (UGETW(op.registers[i * 2].data) << 16) | UGETW(op.registers[(i * 2) + 1].data); } return rv; } /* * Write a single 16-bit register */ usbd_status zyd_write16(struct zyd_softc *sc, uint32_t addr, uint16_t value) { return zyd_write16_multi(sc, &addr, &value, 1); } /* * Write a single 32-bit register */ usbd_status zyd_write32(struct zyd_softc *sc, uint32_t addr, uint32_t value) { return zyd_write32_multi(sc, &addr, &value, 1); } /* * Write up to 15 16-bit registers (newer firmware versions) */ usbd_status zyd_write16_multi(struct zyd_softc *sc, uint32_t *addrs, uint16_t *data, uint8_t usecount) { struct zyd_intoutmultiwrite mw; int i; int s; usbd_status rw; memset(&mw, 0, sizeof(struct zyd_intoutmultiwrite)); USETW(mw.id, ZYD_CMD_IOWRREQ); for (i = 0; i < usecount; i++) { USETW(mw.registers[i].addr, zyd_getrealaddr(sc, addrs[i])); USETW(mw.registers[i].data, data[i]); } s = splnet(); rw = zyd_usb_intr_write(sc, &mw, (2 + (usecount * 4))); splx(s); return rw; } /* * Write up to 7 32-bit registers (newer firmware versions) */ usbd_status zyd_write32_multi(struct zyd_softc *sc, uint32_t *addrs, uint32_t *data, uint8_t usecount) { struct zyd_intoutmultiwrite mw; int i; int realcount; int s; usbd_status rw; realcount = usecount * 2; memset(&mw, 0, sizeof(struct zyd_intoutmultiwrite)); USETW(mw.id, ZYD_CMD_IOWRREQ); for (i = 0; i < usecount; i++) { /* high word is first */ USETW(mw.registers[i * 2].addr, zyd_getrealaddr(sc, zyd_addrinc(addrs[i]))); USETW(mw.registers[i * 2].data, (*data >> 16)); USETW(mw.registers[(i * 2) + 1].addr, zyd_getrealaddr(sc, addrs[i])); USETW(mw.registers[(i * 2) + 1].data, (*data)); } s = splnet(); rw = zyd_usb_intr_write(sc, &mw, (2 + (realcount * 4))); splx(s); return rw; } /* * Batch write 16-bit data */ usbd_status zyd_write16_batch(struct zyd_softc *sc, const struct zyd_adpairs16 *data, int count) { /* TODO: Optimize, use multi-writer */ usbd_status rv; int i; rv = 0; /* DPRINTF(("zyd_write16_batch: %d items\n", count));*/ for (i = 0; i < count; i++) { /* DPRINTF(("zyd_write16_batch: item %d: @%x -> %02x\n", i, data[i].addr, data[i].data));*/ rv = zyd_write16(sc, data[i].addr, data[i].data); if (rv) break; } return rv; } /* * Batch write 32-bit data */ usbd_status zyd_write32_batch(struct zyd_softc *sc, const struct zyd_adpairs32 *data, int count) { /* TODO: Optimize, use multi-writer */ usbd_status rv; int i; rv = 0; /* DPRINTF(("zyd_write32_batch: %d items\n", count));*/ for (i = 0; i < count; i++) { /* DPRINTF(("zyd_write32_batch: item %d: @%x -> %08x\n", i, data[i].addr, data[i].data));*/ rv = zyd_write32(sc, data[i].addr, data[i].data); if (rv) break; } return rv; } /* * Write RF registers */ usbd_status zyd_rfwrite(struct zyd_softc *sc, uint32_t value, uint8_t bits) { struct zyd_req_rfwrite *req = NULL; int len, i; uint16_t bw_template; usbd_status rv; DPRINTFN(4, ("Entering zyd_rfwrite()\n")); rv = zyd_read16(sc, ZYD_CR203, &bw_template); if (rv) goto leave; /* Clear template */ bw_template &= ~(ZYD_RF_IF_LE | ZYD_RF_CLK | ZYD_RF_DATA); len = sizeof(struct zyd_req_rfwrite) + (bits * sizeof(uWord)); req = malloc(len, M_TEMP, M_WAITOK); if (!req) return USBD_NOMEM; USETW(req->id, ZYD_CMD_RFCFGREQ); USETW(req->value, 2); USETW(req->bits, bits); for (i = 0; i < bits; i++) { uint16_t bv = bw_template; if (value & (1 << (bits - 1 - i))) bv |= ZYD_RF_DATA; USETW(req->bit_values[i], bv); } rv = zyd_usb_intr_write(sc, req, len); free(req, M_TEMP); DPRINTFN(4, ("Finished zyd_rfwrite(): rv = %d, wrote %d bits\n", rv, bits)); leave: return rv; } /* * Open bulk and interrupt pipes */ int zyd_openpipes(struct zyd_softc *sc) { usbd_status err; int isize; usb_endpoint_descriptor_t *edesc; /* Interrupt in */ edesc = usbd_interface2endpoint_descriptor(sc->zyd_iface, ZYD_ENDPT_IIN); isize = UGETW(edesc->wMaxPacketSize); if (isize == 0) /* shouldn't happen */ return (EINVAL); sc->ibuf = malloc(isize, M_USBDEV, M_WAITOK); if (clalloc(&sc->q_reply, 1024, 0) == -1) return (ENOMEM); err = usbd_open_pipe_intr(sc->zyd_iface, sc->zyd_ed[ZYD_ENDPT_IIN], USBD_SHORT_XFER_OK, &sc->zyd_ep[ZYD_ENDPT_IIN], sc, sc->ibuf, isize, zydintr, USBD_DEFAULT_INTERVAL); if (err) { printf("%s: open intr pipe failed: %s\n", USBDEVNAME(sc->zyd_dev), usbd_errstr(err)); goto fail; } /* Interrupt out (not neccessary really an interrupt pipe) */ err = usbd_open_pipe(sc->zyd_iface, sc->zyd_ed[ZYD_ENDPT_IOUT], 0, &sc->zyd_ep[ZYD_ENDPT_IOUT]); if (err) goto fail; /* Bulk in */ err = usbd_open_pipe(sc->zyd_iface, sc->zyd_ed[ZYD_ENDPT_BIN], 0, &sc->zyd_ep[ZYD_ENDPT_BIN]); if (err) { printf("%s: open rx pipe failed: %s\n", USBDEVNAME(sc->zyd_dev), usbd_errstr(err)); goto fail; } /* Bulk out */ err = usbd_open_pipe(sc->zyd_iface, sc->zyd_ed[ZYD_ENDPT_BOUT], 0, &sc->zyd_ep[ZYD_ENDPT_BOUT]); if (err) { printf("%s: open tx pipe failed: %s\n", USBDEVNAME(sc->zyd_dev), usbd_errstr(err)); goto fail; } return 0; fail: free(sc->ibuf, M_USBDEV); clfree(&sc->q_reply); return (EIO); } /* * Close bulk and interrupt pipes */ void zyd_closepipes(struct zyd_softc *sc) { int i; for (i = 0; i < ZYD_ENDPT_CNT; i++) if (sc->zyd_ep[i]) { usbd_abort_pipe(sc->zyd_ep[i]); usbd_close_pipe(sc->zyd_ep[i]); } ndflush(&sc->q_reply, sc->q_reply.c_cc); clfree(&sc->q_reply); if (sc->ibuf) { free(sc->ibuf, M_USBDEV); sc->ibuf = NULL; } } /* * Allocate TX list */ int zyd_alloc_tx(struct zyd_softc *sc) { struct zyd_tx_data *data; int i, error; sc->tx_queued = 0; for (i = 0; i < ZYD_TX_LIST_CNT; i++) { data = &sc->tx_data[i]; data->sc = sc; data->xfer = usbd_alloc_xfer(sc->zyd_udev); if (data->xfer == NULL) { printf("%s: could not allocate tx xfer\n", USBDEVNAME(sc->zyd_dev)); error = ENOMEM; goto fail; } data->buf = usbd_alloc_buffer(data->xfer, ZYD_TX_DESC_SIZE + MCLBYTES); if (data->buf == NULL) { printf("%s: could not allocate tx buffer\n", USBDEVNAME(sc->zyd_dev)); error = ENOMEM; goto fail; } } return 0; fail: zyd_free_tx(sc); return error; } void zyd_free_tx(struct zyd_softc *sc) { struct ieee80211com *ic = &sc->sc_ic; struct zyd_tx_data *data; int i; for (i = 0; i < ZYD_TX_LIST_CNT; i++) { data = &sc->tx_data[i]; if (data->xfer != NULL) { usbd_free_xfer(data->xfer); data->xfer = NULL; } if (data->ni != NULL) { ieee80211_release_node(ic, data->ni); data->ni = NULL; } } } int zyd_alloc_rx(struct zyd_softc *sc) { struct zyd_rx_data *data; int i, error; for (i = 0; i < ZYD_RX_LIST_CNT; i++) { data = &sc->rx_data[i]; data->sc = sc; data->xfer = usbd_alloc_xfer(sc->zyd_udev); if (data->xfer == NULL) { printf("%s: could not allocate rx xfer\n", USBDEVNAME(sc->zyd_dev)); error = ENOMEM; goto fail; } if (usbd_alloc_buffer(data->xfer, MCLBYTES) == NULL) { printf("%s: could not allocate rx buffer\n", USBDEVNAME(sc->zyd_dev)); error = ENOMEM; goto fail; } MGETHDR(data->m, M_DONTWAIT, MT_DATA); if (data->m == NULL) { printf("%s: could not allocate rx mbuf\n", USBDEVNAME(sc->zyd_dev)); error = ENOMEM; goto fail; } MCLGET(data->m, M_DONTWAIT); if (!(data->m->m_flags & M_EXT)) { printf("%s: could not allocate rx mbuf cluster\n", USBDEVNAME(sc->zyd_dev)); error = ENOMEM; goto fail; } data->buf = mtod(data->m, uint8_t *); } return 0; fail: zyd_free_tx(sc); return error; } void zyd_free_rx(struct zyd_softc *sc) { struct zyd_rx_data *data; int i; for (i = 0; i < ZYD_RX_LIST_CNT; i++) { data = &sc->rx_data[i]; if (data->xfer != NULL) { usbd_free_xfer(data->xfer); data->xfer = NULL; } if (data->m != NULL) { m_freem(data->m); data->m = NULL; } } } /* * Fetch and print state flags of zydas */ void zyd_stateoutput(struct zyd_softc *sc) { uint32_t debug; DPRINTF(("In zyd_stateoutput()\n")); debug = 0; zyd_read32(sc, ZYD_REG_CTL(0x6D4), &debug); DPRINTF(("DEBUG: Tx complete: %x\n", debug)); debug = 0; zyd_read32(sc, ZYD_REG_CTL(0x6F4), &debug); DPRINTF(("DEBUG: Tx total packet: %x\n", debug)); debug = 0; zyd_read32(sc, ZYD_REG_CTL(0x69C), &debug); DPRINTF(("DEBUG: Rx timeout count: %x\n", debug)); debug = 0; zyd_read32(sc, ZYD_REG_CTL(0x6A0), &debug); DPRINTF(("DEBUG: Rx total frame count: %x\n", debug)); debug = 0; zyd_read32(sc, ZYD_REG_CTL(0x6A4), &debug); DPRINTF(("DEBUG: Rx CRC32: %x\n", debug)); debug = 0; zyd_read32(sc, ZYD_REG_CTL(0x6A8), &debug); DPRINTF(("DEBUG: Rx CRC16: %x\n", debug)); debug = 0; zyd_read32(sc, ZYD_REG_CTL(0x6AC), &debug); DPRINTF(("DEBUG: Rx unicast decr error: %x\n", debug)); debug = 0; zyd_read32(sc, ZYD_REG_CTL(0x6B0), &debug); DPRINTF(("DEBUG: Rx FIFO overrun: %x\n", debug)); debug = 0; zyd_read32(sc, ZYD_REG_CTL(0x6BC), &debug); DPRINTF(("DEBUG: Rx multicast decr error: %x\n", debug)); } /* * EOF handler for TX transfer */ void zyd_txeof(usbd_xfer_handle xfer, usbd_private_handle priv, usbd_status status) { struct zyd_tx_data *data = priv; struct zyd_softc *sc = data->sc; struct ieee80211com *ic = &sc->sc_ic; struct ifnet *ifp = &ic->ic_if; int s; DPRINTF(("Entering zyd_txeof()\n")); if (status != USBD_NORMAL_COMPLETION) { if (status == USBD_NOT_STARTED || status == USBD_CANCELLED) return; printf("%s: could not transmit buffer: %s\n", USBDEVNAME(sc->zyd_dev), usbd_errstr(status)); if (status == USBD_STALLED) usbd_clear_endpoint_stall_async(sc->zyd_ep[ZYD_ENDPT_BOUT]); ifp->if_oerrors++; return; } s = splnet(); m_freem(data->m); data->m = NULL; ieee80211_release_node(ic, data->ni); data->ni = NULL; sc->tx_queued--; ifp->if_opackets++; sc->tx_timer = 0; ifp->if_flags &= ~IFF_OACTIVE; /* zyd_start(ifp);*/ splx(s); DPRINTF(("Leaving zyd_txeof()\n")); } /* * RX frame processor. * * Needed because rxeof might fetch multiple frames * inside a single USB transfer. */ void zyd_rxframeproc(struct zyd_rx_data *data, uint8_t *buf, uint16_t len) { struct zyd_softc *sc = data->sc; struct ieee80211com *ic = &sc->sc_ic; struct ifnet *ifp = &ic->ic_if; struct ieee80211_frame *wh; struct zyd_rxstatusreport *desc; struct ieee80211_node *ni; struct mbuf *m; uint8_t *useptr; int s; int optype; /* Too small for at least an RX status report? */ if (len < ZYD_RX_DESC_SIZE) { printf("%s: xfer too short %d\n", USBDEVNAME(sc->zyd_dev), len); ifp->if_ierrors++; goto skip; } /* An RX status report is appended */ desc = (struct zyd_rxstatusreport *)(buf + len - ZYD_RX_DESC_SIZE); /* * TODO: Signal strength and quality have to be calculated in * conjunction with the PLCP header! The printed values are RAW! */ /* Print RX debug info */ DPRINTFN(3, ("Rx status: signalstrength = %d, signalqualitycck = %d, " "signalqualityofdm = %d, decryptiontype = %d, " "modulationtype = %d, rxerrorreason = %d, errorindication = %d\n", desc->signalstrength, desc->signalqualitycck, desc->signalqualityofdm, desc->decryptiontype, desc->modulationtype, desc->rxerrorreason, desc->errorindication)); /* Bad frame? */ if (desc->errorindication) { DPRINTF(("RX status indicated error\n")); ifp->if_ierrors++; goto skip; } /* Setup a new mbuf for this */ MGETHDR(m, M_DONTWAIT, MT_DATA); if (m == NULL) { printf("%s: could not allocate rx mbuf\n", USBDEVNAME(sc->zyd_dev)); return; } MCLGET(m, M_DONTWAIT); if (!(m->m_flags & M_EXT)) { printf("%s: could not allocate rx mbuf cluster\n", USBDEVNAME(sc->zyd_dev)); m_freem(m); m = NULL; return; } useptr = mtod(m, uint8_t *); memcpy(useptr, buf, len); m->m_pkthdr.rcvif = ifp; m->m_pkthdr.len = m->m_len = len - ZYD_RX_DESC_SIZE; m->m_flags |= M_HASFCS; /* hardware appends FCS */ s = splnet(); #if NBPFILTER > 0 if (sc->sc_drvbpf != NULL) { struct mbuf mb; struct zyd_rx_radiotap_header *tap = &sc->sc_rxtap; tap->wr_flags = 0; tap->wr_chan_freq = htole16(ic->ic_bss->ni_chan->ic_freq); tap->wr_chan_flags = htole16(ic->ic_bss->ni_chan->ic_flags); tap->wr_rssi = desc->signalstrength; tap->wr_max_rssi = 0; /* XXX */ M_DUP_PKTHDR(&mb, m); mb.m_data = (caddr_t)tap; mb.m_len = sc->sc_rxtap_len; mb.m_next = m; mb.m_pkthdr.len += mb.m_len; bpf_mtap(sc->sc_drvbpf, &mb, BPF_DIRECTION_IN); } #endif wh = mtod(m, struct ieee80211_frame *); ni = ieee80211_find_rxnode(ic, wh); ieee80211_input(ifp, m, ni, desc->signalstrength, 0); ieee80211_release_node(ic, ni); DPRINTFN(3, ("iee80211_input() -> %d\n", optype)); splx(s); skip: ; } /* * EOF handler for RX transfer */ void zyd_rxeof(usbd_xfer_handle xfer, usbd_private_handle priv, usbd_status status) { struct zyd_rx_data *data = priv; struct zyd_softc *sc = data->sc; struct ieee80211com *ic = &sc->sc_ic; struct ifnet *ifp = &ic->ic_if; int len; struct zyd_rxleninfoapp *leninfoapp; /* int i; uint16_t tfs;*/ if (status != USBD_NORMAL_COMPLETION) { if (status == USBD_NOT_STARTED || status == USBD_CANCELLED) return; if (status == USBD_STALLED) usbd_clear_endpoint_stall(sc->zyd_ep[ZYD_ENDPT_BIN]); goto skip; } usbd_get_xfer_status(xfer, NULL, NULL, &len, NULL); #ifdef ZYD_DEBUG if (zyddebug > 10) { printf("zyd_rxeof: Len = %d, raw dump follows\n", len); bindump(data->buf, len); } #endif /* * It must be at least 4 bytes - still broken if it is * 4 bytes, but that's enough to hold the multi-frame * append header */ if (len < sizeof(struct zyd_rxleninfoapp)) { printf("%s: xfer too short %d\n", USBDEVNAME(sc->zyd_dev), len); ifp->if_ierrors++; goto skip; } /* See whether this is a multi-frame tansmission */ leninfoapp = (struct zyd_rxleninfoapp *) (data->buf + len - sizeof(struct zyd_rxleninfoapp)); if (UGETW(leninfoapp->marker) == ZYD_MULTIFRAME_MARKER) { /* Multiframe received */ DPRINTFN(3, ("Received multi-frame transmission\n")); /* TODO: Support 'em properly */ /* Append PLCP header size */ /* tfs = ZYD_PLCP_HDR_SIZE; for (i = 0; i < 3; ++i) { uint16_t tfl = UGETW(leninfoapp->len[i]); zyd_rxframeproc(data, data->buf + tfs, tfl); tfs += tfl; }*/ goto skip; } else { DPRINTFN(3, ("Received single-frame transmission\n")); zyd_rxframeproc(data, data->buf + ZYD_PLCP_HDR_SIZE, len - ZYD_PLCP_HDR_SIZE); } /* Reestablish the buf for the next round */ MGETHDR(data->m, M_DONTWAIT, MT_DATA); if (data->m == NULL) { printf("%s: could not allocate rx mbuf\n", USBDEVNAME(sc->zyd_dev)); return; } MCLGET(data->m, M_DONTWAIT); if (!(data->m->m_flags & M_EXT)) { printf("%s: could not allocate rx mbuf cluster\n", USBDEVNAME(sc->zyd_dev)); m_freem(data->m); data->m = NULL; return; } data->buf = mtod(data->m, uint8_t *); skip: /* setup a new transfer */ usbd_setup_xfer(xfer, sc->zyd_ep[ZYD_ENDPT_BIN], data, data->buf, MCLBYTES, USBD_SHORT_XFER_OK, USBD_NO_TIMEOUT, zyd_rxeof); usbd_transfer(xfer); } void zyd_attachhook(void *xsc) { struct zyd_softc *sc = xsc; if (zyd_uploadfirmware(sc)) USB_ATTACH_ERROR_RETURN; /* Perform a device reset */ zyd_reset(sc); /* Complete the attach process (hardware init) */ if (zyd_complete_attach(sc) != 0) USB_ATTACH_ERROR_RETURN; sc->zyd_attached = 1; } /* * Upload firmware to device. * * Returns nozero on error. * * The whole upload procedure was implemented accordingly to * what ZyDAS' Linux driver does. It does however *NOT* match * what their documentation says (argh...)! */ int zyd_uploadfirmware(struct zyd_softc *sc) { /* ZD1211 uses a proprietary "setup" command to upload the fw */ struct zyd_control zc; uint8_t stsresult; int result; size_t imgsize; u_char *imgptr, *imgptr0; memset(&zc, 0, sizeof(struct zyd_control)); zc.type = ZYD_FIRMDOWN_REQ; zc.id = ZYD_FIRMDOWN_ID; zc.value = ZYD_FIRMWARE_START_ADDR; /* TODO: Different on old ones! */ result = loadfirmware("zd1211", &imgptr0, &imgsize); if (result) { printf("%s: failed loadfirmware of file %s: errno %d\n", USBDEVNAME(sc->zyd_dev), "zd1211", result); return -1; } imgptr = imgptr0; DPRINTF(("Firmware upload: imgsize=%d\n", imgsize)); /* Issue upload command(s) */ while (imgsize > 0) { /* Transfer 4KB max */ int tlen = (imgsize > 4096) ? 4096 : imgsize; DPRINTF(("Firmware upload: tlen=%d, value=%x\n", tlen, zc.value)); zc.length = tlen; zc.data = imgptr; if (zyd_usbrequestzc(sc, &zc) != USBD_NORMAL_COMPLETION) { printf("%s: Error: Cannot upload firmware to device\n", USBDEVNAME(sc->zyd_dev)); result = -1; goto cleanup; }; imgsize -= tlen; imgptr += tlen; zc.value += (uint16_t)(tlen / 2); /* Requires word */ }; /* See whether the upload succeeded */ memset(&zc, 0, sizeof(struct zyd_control)); zc.type = ZYD_FIRMSTAT_REQ; zc.id = ZYD_FIRMSTAT_ID; zc.value = 0; zc.length = 1; zc.data = &stsresult; if (zyd_usbrequestzc(sc, &zc) != USBD_NORMAL_COMPLETION) { printf("%s: Error: Cannot check for proper firmware upload\n", USBDEVNAME(sc->zyd_dev)); result = -1; goto cleanup; }; /* Firmware successfully uploaded? */ if (stsresult == ZYD_FIRMWAREUP_FAILURE) { printf("%s: Error: Firmware upload failed: 0x%X\n", USBDEVNAME(sc->zyd_dev), stsresult); result = -1; goto cleanup; } else { DPRINTF(("%s: Firmware successfully uploaded\n", USBDEVNAME(sc->zyd_dev))); } result = 0; cleanup: free(imgptr0, M_DEVBUF); return result; } /* * Driver OS interface */ /* * Probe for a ZD1211-containing product */ USB_MATCH(zyd) { USB_MATCH_START(zyd, uaa); if (!uaa->iface) return (UMATCH_NONE); return (usb_lookup(zyd_devs, uaa->vendor, uaa->product) != NULL) ? UMATCH_VENDOR_PRODUCT : UMATCH_NONE; } /* * Attach the interface. Allocate softc structures, do * setup and ethernet/BPF attach. */ USB_ATTACH(zyd) { USB_ATTACH_START(zyd, sc, uaa); char *devinfop; usbd_status err; usbd_device_handle dev = uaa->device; usb_device_descriptor_t* ddesc; devinfop = usbd_devinfo_alloc(dev, 0); USB_ATTACH_SETUP; printf("%s: %s\n", USBDEVNAME(sc->zyd_dev), devinfop); usbd_devinfo_free(devinfop); ddesc = usbd_get_device_descriptor(dev); if (UGETW(ddesc->bcdDevice) < ZYD_ALLOWED_DEV_VERSION) { printf("%s: device version mismatch: 0x%X " "(only >= 43.30 supported)\n", USBDEVNAME(sc->zyd_dev), UGETW(ddesc->bcdDevice)); USB_ATTACH_ERROR_RETURN; } err = usbd_set_config_no(dev, ZYD_CONFIG_NO, 1); if (err) { printf("%s: setting config no failed\n", USBDEVNAME(sc->zyd_dev)); USB_ATTACH_ERROR_RETURN; } err = usbd_device2interface_handle(dev, ZYD_IFACE_IDX, &sc->zyd_iface); if (err) { printf("%s: getting interface handle failed\n", USBDEVNAME(sc->zyd_dev)); USB_ATTACH_ERROR_RETURN; } sc->zyd_unit = self->dv_unit; sc->zyd_udev = dev; /* Now upload the firmware */ if (rootvp == NULL) mountroothook_establish(zyd_attachhook, sc); else zyd_attachhook(sc); USB_ATTACH_SUCCESS_RETURN; } /* * Lock PHY registers */ void zyd_lock_phy(struct zyd_softc *sc) { uint32_t temp; zyd_read32(sc, ZYD_MAC_MISC, &temp); temp &= ~ZYD_UNLOCK_PHY_REGS; zyd_write32(sc, ZYD_MAC_MISC, temp); } /* * Unlock PHY registers */ void zyd_unlock_phy(struct zyd_softc *sc) { uint32_t temp; zyd_read32(sc, ZYD_MAC_MISC, &temp); temp |= ZYD_UNLOCK_PHY_REGS; zyd_write32(sc, ZYD_MAC_MISC, temp); } /* * Helper beacon (get) */ usbd_status zyd_get_aw_pt_bi(struct zyd_softc *sc, struct zyd_aw_pt_bi *s) { static uint32_t addrs[] = { ZYD_CR_ATIM_WND_PERIOD, ZYD_CR_PRE_TBTT, ZYD_CR_BCN_INTERVAL }; uint32_t values[3]; usbd_status rv; rv = zyd_read32_multi(sc, addrs, values, 3); if (rv) { memset(s, 0, sizeof(*s)); } else { s->atim_wnd_period = values[0]; s->pre_tbtt = values[1]; s->beacon_interval = values[2]; DPRINTF(("aw %u pt %u bi %u\n", s->atim_wnd_period, s->pre_tbtt, s->beacon_interval)); } return rv; } /* * Helper beacon (set) */ usbd_status zyd_set_aw_pt_bi(struct zyd_softc *sc, struct zyd_aw_pt_bi *s) { static uint32_t addrs[] = { ZYD_CR_ATIM_WND_PERIOD, ZYD_CR_PRE_TBTT, ZYD_CR_BCN_INTERVAL }; uint32_t data[3]; if (s->beacon_interval <= 5) s->beacon_interval = 5; if (s->pre_tbtt < 4 || s->pre_tbtt >= s->beacon_interval) s->pre_tbtt = s->beacon_interval - 1; if (s->atim_wnd_period >= s->pre_tbtt) s->atim_wnd_period = s->pre_tbtt - 1; data[0] = s->atim_wnd_period; data[1] = s->pre_tbtt; data[2] = s->beacon_interval; return zyd_write32_multi(sc, addrs, data, 3); } /* * Set beacon interval */ usbd_status zyd_set_beacon_interval(struct zyd_softc *sc, uint32_t interval) { struct zyd_aw_pt_bi s; usbd_status rv; rv = zyd_get_aw_pt_bi(sc, &s); if (rv) goto out; s.beacon_interval = interval; rv = zyd_set_aw_pt_bi(sc, &s); out: return rv; } /* * Get RF name */ const char * zyd_rf_name(uint8_t type) { if (type & 0xf0) type = 0; return zyd_rfs[type]; } /* * Read RF PA types */ usbd_status zyd_read_rf_pa_types(struct zyd_softc *sc, uint8_t *rf_type, uint8_t *pa_type) { uint32_t value; uint8_t rf, pa; usbd_status rv; rf = pa = 0; rv = zyd_read32(sc, ZYD_E2P_POD, &value); if (!rv) { rf = value & 0x0f; pa = (value >> 16) & 0x0f; } *rf_type = rf; *pa_type = pa; return rv; } /* * RF driver: Init for RFMD chip */ usbd_status zyd_rf_rfmd_init(struct zyd_softc *sc, struct zyd_rf *rf) { int i; usbd_status rv; DPRINTF(("rf_init(): ir1 = %d, ir2 = %d\n", (sizeof(zyd_rfmd_cr) / sizeof(struct zyd_adpairs16)), (sizeof(zyd_rfmd_rf) / sizeof(uint32_t)))); rv = zyd_write16_batch(sc, zyd_rfmd_cr, (sizeof(zyd_rfmd_cr) / sizeof(struct zyd_adpairs16))); if (rv) return rv; for (i = 0; i < (sizeof(zyd_rfmd_rf) / sizeof(uint32_t)); i++) { rv = zyd_rfwrite(sc, zyd_rfmd_rf[i], ZYD_RF_RV_BITS); if (rv) break; } DPRINTF(("rf_init(). rv = %d\n", rv)); return rv; } /* * RF driver: Switch radio on/off for RFMD chip */ usbd_status zyd_rf_rfmd_switchradio(struct zyd_softc *sc, uint8_t onoff) { static const struct zyd_adpairs16 ir_on[] = { ZYD_RFMD_RADIO_ON }; static const struct zyd_adpairs16 ir_off[] = { ZYD_RFMD_RADIO_OFF }; if (onoff) return zyd_write16_batch(sc, ir_on, (sizeof(ir_on) / sizeof(struct zyd_adpairs16))); return zyd_write16_batch(sc, ir_off, (sizeof(ir_off) / sizeof(struct zyd_adpairs16))); } /* * RF driver: Channel setting for RFMD chip */ usbd_status zyd_rf_rfmd_set_channel(struct zyd_softc *sc, struct zyd_rf *rf, uint8_t channel) { static const uint32_t rfmd_table[][2] = { ZYD_RFMD_CHANTABLE }; const uint32_t *dp; int i; usbd_status rv; dp = rfmd_table[channel - 1]; for (i = 0; i < 2; i++) { rv = zyd_rfwrite(sc, dp[i], ZYD_RF_RV_BITS); if (rv) break; } return rv; } /* * RF driver: Switch radio on/off for AL2230 chip */ usbd_status zyd_rf_al2230_switchradio(struct zyd_softc *sc, uint8_t onoff) { static const struct zyd_adpairs16 ir_on[] = { ZYD_AL2230_RADIO_ON }; static const struct zyd_adpairs16 ir_off[] = { ZYD_AL2230_RADIO_OFF }; if (onoff) return zyd_write16_batch(sc, ir_on, (sizeof(ir_on) / sizeof(struct zyd_adpairs16))); return zyd_write16_batch(sc, ir_off, (sizeof(ir_off) / sizeof(struct zyd_adpairs16))); } /* * RF driver: Init for AL2230 chip */ usbd_status zyd_rf_al2230_init(struct zyd_softc *sc, struct zyd_rf *rf) { int i; usbd_status rv; rv = zyd_write16_batch(sc, zyd_al2230_cr, (sizeof(zyd_al2230_cr) / sizeof(struct zyd_adpairs16))); if (rv) return rv; for (i = 0; i < (sizeof(zyd_al2230_rf) / sizeof(uint32_t)); i++) { rv = zyd_rfwrite(sc, zyd_al2230_rf[i], ZYD_RF_RV_BITS); if (rv) break; } return rv; } /* * RF driver: Channel setting for AL2230 chip */ usbd_status zyd_rf_al2230_set_channel(struct zyd_softc *sc, struct zyd_rf *rf, uint8_t channel) { static const struct zyd_adpairs16 sc_cmd[] = { ZYD_AL2230_SETCHANNEL }; static const uint32_t al2230_table[][3] = { ZYD_AL2230_CHANTABLE }; usbd_status rv; int i; const uint32_t *ptr = al2230_table[channel - 1]; for (i = 0; i < 3; i++) { rv = zyd_rfwrite(sc, *ptr, ZYD_RF_RV_BITS); ptr++; if (rv) return rv; } return zyd_write16_batch(sc, sc_cmd, (sizeof(sc_cmd) / sizeof(struct zyd_adpairs16))); } /* * Assign drivers and init the RF */ usbd_status zyd_rf_init_hw(struct zyd_softc *sc, struct zyd_rf *rf, uint8_t type) { int rv; switch (type) { case ZYD_RF_RFMD: rf->init_hw = zyd_rf_rfmd_init; rf->switch_radio = zyd_rf_rfmd_switchradio; rf->set_channel = zyd_rf_rfmd_set_channel; break; case ZYD_RF_AL2230: rf->init_hw = zyd_rf_al2230_init; rf->switch_radio = zyd_rf_al2230_switchradio; rf->set_channel = zyd_rf_al2230_set_channel; break; default: printf("%s: Sorry, radio %s is not supported yet\n", USBDEVNAME(sc->zyd_dev), zyd_rf_name(type)); rf->type = 0; rv = USBD_INVAL; goto leave; } rf->flags = 0; rf->type = type; zyd_lock_phy(sc); rv = rf->init_hw(sc, rf); zyd_unlock_phy(sc); leave: return rv; } /* * Init the hardware */ usbd_status zyd_hw_init(struct zyd_softc *sc, struct ieee80211com *ic) { usbd_status rv; int stage = 0; uint8_t rf; rv = zyd_write32(sc, ZYD_MAC_AFTER_PNP, 1); if (rv) goto leave; stage++; rv = zyd_read16(sc, ZYD_REG_USB(ZYD_FIRMWARE_BASE_ADDR), &sc->firmware_base); DPRINTF(("zyd_hw_init: firmware_base = 0x%04X\n", sc->firmware_base)); /* Print the firmware version */ rv = zyd_read16(sc, ZYD_FW_FIRMWARE_VER, &sc->fw_ver); if (rv) goto leave; stage++; rv = zyd_write32(sc, ZYD_CR_GPI_EN, 0); if (rv) goto leave; stage++; rv = zyd_write32(sc, ZYD_MAC_CONT_WIN_LIMIT, 0x007f043f); if (rv) goto leave; stage++; zyd_set_mandatory_rates(sc, ic->ic_curmode); zyd_disable_hwint(sc); /* PHY init ("reset") */ zyd_lock_phy(sc); rv = zyd_write16_batch(sc, zyd_def_cr, (sizeof(zyd_def_cr) / sizeof(struct zyd_adpairs16))); zyd_unlock_phy(sc); if (rv) goto leave; stage++; /* HMAC init */ rv = zyd_write32_batch(sc, zyd_def_mac, (sizeof(zyd_def_mac) / sizeof(struct zyd_adpairs32))); if (rv) goto leave; stage++; /* RF/PA types */ rv = zyd_read_rf_pa_types(sc, &rf, &sc->pa_ver); if (rv) goto leave; stage++; /* Now init the RF chip */ rv = zyd_rf_init_hw(sc, &sc->rf, rf); if (rv) goto leave; stage++; /* Init beacon to 100 * 1024 µs */ rv = zyd_set_beacon_interval(sc, 100); if (rv) goto leave; stage++; leave: DPRINTF(("zyd_hw_init: rv = %d, stage = %d\n", rv, stage)); return rv; } /* * Get MAC address from EEPROM */ usbd_status zyd_get_e2p_mac_addr(struct zyd_softc *sc, struct zyd_macaddr *mac_addr) { uint32_t mac[2]; usbd_status rv; rv = zyd_read32(sc, ZYD_E2P_MAC_ADDR_P1, &mac[0]); if (rv) goto leave; rv = zyd_read32(sc, ZYD_E2P_MAC_ADDR_P2, &mac[1]); if (rv) goto leave; mac_addr->addr[0] = mac[0]; mac_addr->addr[1] = mac[0] >> 8; mac_addr->addr[2] = mac[0] >> 16; mac_addr->addr[3] = mac[0] >> 24; mac_addr->addr[4] = mac[1]; mac_addr->addr[5] = mac[1] >> 8; leave: return rv; } /* * Set MAC address (will accept ANY address) */ usbd_status zyd_set_mac_addr(struct zyd_softc *sc, const struct zyd_macaddr *mac_addr) { uint32_t addrs[2]; uint32_t trans[2]; addrs[0] = ZYD_MAC_MACADDRL; addrs[1] = ZYD_MAC_MACADDRH; trans[0] = ( (mac_addr->addr[3] << 24) | (mac_addr->addr[2] << 16) | (mac_addr->addr[1] << 8) | (mac_addr->addr[0])); trans[1] = ( (mac_addr->addr[5] << 8) | (mac_addr->addr[4])); return zyd_write32_multi(sc, addrs, trans, 2); } /* * Read regdomain */ usbd_status zyd_read_regdomain(struct zyd_softc *sc, uint8_t *regdomain) { uint32_t value; usbd_status rv; rv = zyd_read32(sc, ZYD_E2P_SUBID, &value); if (!rv) *regdomain = value >> 16; return rv; } /* * Check whether a particular regdomain is supported */ int zyd_regdomain_supported(uint8_t regdomain) { const struct zyd_channel_range *range; range = &zyd_channel_ranges[0]; for ( ; ; ) { if (range->regdomain == regdomain) return (range->start != 0); else if (range->regdomain == -1) break; /* end of list */ range++; } return 0; } /* * Helper used by all table readers */ int zyd_tblreader(struct zyd_softc *sc, uint8_t *values, size_t count, uint32_t e2p_addr, uint32_t guard) { int r; int i; uint32_t v; for (i = 0;;) { r = zyd_read32(sc, (e2p_addr + (i / 2)), &v); if (r) return r; v -= guard; if (i+4 < count) { values[i++] = v; values[i++] = v >> 8; values[i++] = v >> 16; values[i++] = v >> 24; continue; } for (;i < count; i++) values[i] = v >> (8*(i%3)); return 0; } return 0; } /* * Read calibration tables */ int zyd_readcaltables(struct zyd_softc *sc) { int rv; int i; static const uint32_t addresses[] = { ZYD_E2P_36M_CAL_VALUE1, ZYD_E2P_48M_CAL_VALUE1, ZYD_E2P_54M_CAL_VALUE1, }; rv = zyd_tblreader(sc, sc->pwr_cal_values, ZYD_E2P_CHANNEL_COUNT, ZYD_E2P_PWR_CAL_VALUE1, 0); if (rv) goto leave; rv = zyd_tblreader(sc, sc->pwr_int_values, ZYD_E2P_CHANNEL_COUNT, ZYD_E2P_PWR_INT_VALUE1, ZYD_E2P_PWR_INT_GUARD); if (rv) goto leave; for (i = 0; i < 3; i++) { rv = zyd_tblreader(sc, sc->ofdm_cal_values[i], ZYD_E2P_CHANNEL_COUNT, addresses[i], 0); if (rv) goto leave; } leave: return rv; } /* * Reset channel */ int zyd_reset_channel(struct zyd_softc *sc) { const struct zyd_channel_range *range; range = &zyd_channel_ranges[0]; for ( ; ; ) { if (range->regdomain == sc->regdomain) if (range->start == 0) return 1; else { sc->channel = range->start; sc->mac_flags &= ~ZMF_FIXED_CHANNEL; } else if (range->regdomain == -1) return 1; /* end of list */ range++; } return 0; } /* * Set encryption type */ usbd_status zyd_set_encryption_type(struct zyd_softc *sc, uint32_t type) { return zyd_write32(sc, ZYD_MAC_ENCRYPTION_TYPE, type); } /* * Switch radio on/off */ usbd_status zyd_switch_radio(struct zyd_softc *sc, uint8_t onoff) { usbd_status rv; zyd_lock_phy(sc); rv = sc->rf.switch_radio(sc, onoff); zyd_unlock_phy(sc); if (!rv) sc->zyd_radio_on = onoff; return rv; } /* * Enable hardware interrupt */ usbd_status zyd_enable_hwint(struct zyd_softc *sc) { return zyd_write32(sc, ZYD_CR_INTERRUPT, ZYD_HWINT_ENABLED); } /* * Disable hardware interrupt */ usbd_status zyd_disable_hwint(struct zyd_softc *sc) { return zyd_write32(sc, ZYD_CR_INTERRUPT, ZYD_HWINT_DISABLED); } /* * Set basic rates */ usbd_status zyd_set_basic_rates(struct zyd_softc *sc, int mode) { /* Do not request high rates for the basic set */ uint32_t outf = 0; switch (mode) { case IEEE80211_MODE_11B: /* 11B: 1, 2 MBPS */ outf = 3; break; case IEEE80211_MODE_11G: /* 11G: 6, 12, 24 MBPS */ outf = (21 << 8); break; default: return -1; } return zyd_write32(sc, ZYD_MAC_BASICRATE, outf); } /* * Set mandatory rates. This is the full spectrum of a certain mode. */ usbd_status zyd_set_mandatory_rates(struct zyd_softc *sc, int mode) { uint32_t outf = 0; switch (mode) { case IEEE80211_MODE_11B: /* 11B: 1, 2, 5.5, 11 */ outf = CSF_RT_CCK_1 | CSF_RT_CCK_2 | CSF_RT_CCK_5_5 | CSF_RT_CCK_11; break; case IEEE80211_MODE_11G: /* 11G: 6, 9, 12, 18, 24, 36, 48, 54 */ outf = CSF_RT_OFDM_6 | CSF_RT_OFDM_9 | CSF_RT_OFDM_12 | CSF_RT_OFDM_18 | CSF_RT_OFDM_24 | CSF_RT_OFDM_36 | CSF_RT_OFDM_48 | CSF_RT_OFDM_54; break; default: return -1; } return zyd_write32(sc, ZYD_MAC_MANDATORYRATE, outf); } /* * Reset mode */ usbd_status zyd_reset_mode(struct zyd_softc *sc) { struct zyd_adpairs32 io[3] = { { ZYD_MAC_STOHOSTSETTING, STH_BCN | STH_PRB_RSP | STH_AUTH | STH_ASS_RSP }, { ZYD_MAC_SNIFFER, 0U }, { ZYD_MAC_ENCRYPTION_TYPE, 0U } }; /* if (ieee->iw_mode == IW_MODE_MONITOR) { ioreqs[0].value = 0xffffffff; ioreqs[1].value = 0x1; ioreqs[2].value = ENC_SNIFFER; }*/ DPRINTF(("In zyd_reset_mode()\n")); return zyd_write32_batch(sc, io, 3); } /* * Set BSSID */ usbd_status zyd_set_bssid(struct zyd_softc *sc, uint8_t *addr) { uint32_t addrh; uint32_t addrl; usbd_status rv; addrh = (*((uint32_t *)addr) >> 16); addrl = *((uint32_t *)(addr + 2)); DPRINTF(("Setting BSSID\n")); DPRINTF(("addrh = %x, addrl = %x\n", addrh, addrl)); rv = zyd_write32(sc, ZYD_MAC_BSSADRL, addrl); if (!rv) rv = zyd_write32(sc, ZYD_MAC_BSSADRH, addrh); return rv; } /* * Complete the attach process */ usbd_status zyd_complete_attach(struct zyd_softc *sc) { struct ieee80211com *ic = &sc->sc_ic; struct ifnet *ifp = &ic->ic_if; struct zyd_macaddr mac; usb_interface_descriptor_t *id; usb_endpoint_descriptor_t *ed; usbd_status rv; int i; id = usbd_get_interface_descriptor(sc->zyd_iface); /* * Endpoint 1 = Bulk out (512b @ high speed / 64b @ full speed) * Endpoint 2 = Bulk in (512b @ high speed / 64b @ full speed) * Endpoint 3 = Intr in (64b) * Endpoint 4 = Intr out @ high speed / bulk out @ full speed (64b) */ DPRINTF(("A total of %d endpoints available\n", id->bNumEndpoints)); for (i = 0; i < id->bNumEndpoints; i++) { ed = usbd_interface2endpoint_descriptor(sc->zyd_iface, i); if (ed == NULL) { printf("%s: no endpoint descriptor for iface %d\n", USBDEVNAME(sc->zyd_dev), i); return -1; } DPRINTF(("Endpoint %d: ", i)); if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN) { DPRINTF(("in ")); if (UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) DPRINTF(("bulk\n")); else DPRINTF(("int\n")); } else { DPRINTF(("out ")); if (UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) DPRINTF(("bulk\n")); else DPRINTF(("int\n")); } /* if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN && UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) sc->zyd_ep[ZYD_ENDPT_BIN] = ed->bEndpointAddress; else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_OUT && UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) sc->sc_tx_no = ed->bEndpointAddress;*/ } ed = usbd_interface2endpoint_descriptor(sc->zyd_iface, 0); sc->zyd_ed[ZYD_ENDPT_BOUT] = ed->bEndpointAddress; ed = usbd_interface2endpoint_descriptor(sc->zyd_iface, 1); sc->zyd_ed[ZYD_ENDPT_BIN] = ed->bEndpointAddress; ed = usbd_interface2endpoint_descriptor(sc->zyd_iface, 2); sc->zyd_ed[ZYD_ENDPT_IIN] = ed->bEndpointAddress; ed = usbd_interface2endpoint_descriptor(sc->zyd_iface, 3); sc->zyd_ed[ZYD_ENDPT_IOUT] = ed->bEndpointAddress; /* Open the pipes */ zyd_openpipes(sc); /* Init hardware */ rv = zyd_hw_init(sc, ic); if (rv) goto leave; /* Read MAC from EEPROM and copy to interface */ rv = zyd_get_e2p_mac_addr(sc, &mac); memcpy(&sc->sc_ic.ic_myaddr, &mac, IEEE80211_ADDR_LEN); printf("%s: Firmware 0x%04X, Radio %s, PA %#01x, address %s\n", USBDEVNAME(sc->zyd_dev), sc->fw_ver, zyd_rf_name(sc->rf.type), sc->pa_ver, ether_sprintf(ic->ic_myaddr)); if (rv) goto leave; /* Read calibration tables from EEPROM */ rv = zyd_readcaltables(sc); if (rv) goto leave; DPRINTF(("Loading regdomain\n")); /* Load the regdomain and see whether it is supported */ rv = zyd_read_regdomain(sc, &sc->default_regdomain); if (rv) goto leave; DPRINTF(("Regdomain supported?\n")); if (!zyd_regdomain_supported(sc->default_regdomain)) { printf("%s: Error: Regulatory Domain %#04x is not supported.", USBDEVNAME(sc->zyd_dev), sc->default_regdomain); rv = USBD_INVAL; goto leave; } sc->regdomain = sc->default_regdomain; sc->zyd_encrypt = ENC_NOWEP; sc->zyd_wepkeylen = 0; sc->zyd_wepkey = 0; bzero(sc->zyd_bssid, ETHER_ADDR_LEN); sc->zyd_ssidlen = strlen(ZYD_DEFAULT_SSID); memcpy(sc->zyd_ssid, ZYD_DEFAULT_SSID, sc->zyd_ssidlen); /* TODO: Is this an allowed channel in the domain? */ sc->channel = ZYD_DEFAULT_CHANNEL; sc->zyd_desired_channel = IEEE80211_CHAN_ANY; sc->zyd_operation = OM_INFRASTRUCTURE; /* Network interface setup */ ic->ic_softc = sc; ic->ic_phytype = IEEE80211_T_OFDM; ic->ic_opmode = IEEE80211_M_STA; ic->ic_state = IEEE80211_S_INIT; /* Set device capabilities */ ic->ic_caps = IEEE80211_C_MONITOR | IEEE80211_C_IBSS | IEEE80211_C_HOSTAP | IEEE80211_C_SHPREAMBLE | IEEE80211_C_PMGT | IEEE80211_C_TXPMGT | IEEE80211_C_WEP; /* Rates are in 0,5 MBps units */ ic->ic_sup_rates[IEEE80211_MODE_11B] = zyd_rateset_11b; ic->ic_sup_rates[IEEE80211_MODE_11G] = zyd_rateset_11g; /* set supported .11b and .11g channels (1 through 14) */ for (i = 1; i <= 14; i++) { ic->ic_channels[i].ic_freq = ieee80211_ieee2mhz(i, IEEE80211_CHAN_2GHZ); ic->ic_channels[i].ic_flags = IEEE80211_CHAN_CCK | IEEE80211_CHAN_OFDM | IEEE80211_CHAN_DYN | IEEE80211_CHAN_2GHZ; } ifp->if_softc = sc; memcpy(ifp->if_xname, USBDEVNAME(sc->zyd_dev), IFNAMSIZ); ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST; ifp->if_init = zyd_init; ifp->if_start = zyd_start; ifp->if_ioctl = zyd_ioctl; ifp->if_watchdog = zyd_watchdog; ifp->if_mtu = ZYD_DEFAULT_MTU; IFQ_SET_READY(&ifp->if_snd); /* Call MI attach routine. */ if_attach(ifp); ieee80211_ifattach(ifp); sc->sc_newstate = ic->ic_newstate; ic->ic_newstate = zyd_newstate; /* setup ifmedia interface */ ieee80211_media_init(ifp, zyd_media_change, ieee80211_media_status); #if NBPFILTER > 0 bpfattach(&sc->sc_drvbpf, ifp, DLT_IEEE802_11_RADIO, sizeof (struct ieee80211_frame) + 64); sc->sc_rxtap_len = sizeof sc->sc_rxtapu; sc->sc_rxtap.wr_ihdr.it_len = htole16(sc->sc_rxtap_len); sc->sc_rxtap.wr_ihdr.it_present = htole32(ZYD_RX_RADIOTAP_PRESENT); sc->sc_txtap_len = sizeof sc->sc_txtapu; sc->sc_txtap.wt_ihdr.it_len = htole16(sc->sc_txtap_len); sc->sc_txtap.wt_ihdr.it_present = htole32(ZYD_TX_RADIOTAP_PRESENT); #endif usb_init_task(&sc->sc_task, zyd_task, sc); /* ieee80211_announce(ic);*/ timeout_set(&sc->scan_ch, zyd_next_scan, sc); timeout_add(&sc->scan_ch, hz); usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, sc->zyd_udev, USBDEV(sc->zyd_dev)); leave: DPRINTF(("EXITING complete_attach(): Status = %d\n", rv)); return rv; } /* * Detach device */ USB_DETACH(zyd) { USB_DETACH_START(zyd, sc); struct ifnet *ifp = &sc->sc_ic.ic_if; int s; s = splusb(); /* zyd_stop(ifp, 1);*/ usb_rem_task(sc->zyd_udev, &sc->sc_task); timeout_del(&sc->scan_ch); zyd_closepipes(sc); zyd_free_rx(sc); zyd_free_tx(sc); if (sc->zyd_attached) { ieee80211_ifdetach(ifp); if_detach(ifp); } sc->zyd_attached = 0; splx(s); return 0; } int zyd_media_change(struct ifnet *ifp) { int error; error = ieee80211_media_change(ifp); if (error != ENETRESET) return error; if ((ifp->if_flags & (IFF_UP | IFF_RUNNING)) == (IFF_UP | IFF_RUNNING)) zyd_init(ifp); return 0; } int zyd_newstate(struct ieee80211com *ic, enum ieee80211_state nstate, int arg) { struct zyd_softc *sc = ic->ic_if.if_softc; DPRINTF(("zyd_newstate(): %d\n", nstate)); usb_rem_task(sc->zyd_udev, &sc->sc_task); timeout_del(&sc->scan_ch); /* do it in a process context */ sc->sc_state = nstate; usb_add_task(sc->zyd_udev, &sc->sc_task); return 0; } /* * Initial configuration * * - Copy MAC address * - Init channel (to first in allowed range) * - Set encryption type */ int zyd_initial_config(struct zyd_softc *sc) { /* struct ieee80211com *ic = &sc->sc_ic;*/ /* uint32_t i;*/ usbd_status rv; DPRINTF(("Setting mac-addr\n")); rv = zyd_set_mac_addr(sc, (const struct zyd_macaddr *)&sc->sc_ic.ic_myaddr); if (rv) return rv; /* DPRINTF(("Reset channel\n")); if (zyd_reset_channel(sc) != 0) { return USBD_INVAL; }*/ DPRINTF(("Setting encryption type\n")); rv = zyd_set_encryption_type(sc, sc->zyd_encrypt); if (rv) return rv; /* TODO: Check what we've already initialized in the hw_init section */ DPRINTFN(10, ("%s: completed initial config\n", USBDEVNAME(sc->zyd_dev))); return 0; } void zyd_update_promisc(struct zyd_softc *sc) { } /* * Compute the duration (in us) needed to transmit `len' bytes at rate `rate'. * The function automatically determines the operating mode depending on the * given rate. `flags' indicates whether short preamble is in use or not. */ uint16_t zyd_txtime(int len, int rate, uint32_t flags) { uint16_t txtime; int ceil, dbps; if (ZYD_RATE_IS_OFDM(rate)) { /* * OFDM TXTIME calculation. * From IEEE Std 802.11a-1999, pp. 37. */ dbps = rate * 2; /* data bits per OFDM symbol */ ceil = (16 + 8 * len + 6) / dbps; if ((16 + 8 * len + 6) % dbps != 0) ceil++; txtime = 16 + 4 + 4 * ceil + 6; } else { /* * High Rate TXTIME calculation. * From IEEE Std 802.11b-1999, pp. 28. */ ceil = (8 * len * 2) / rate; if ((8 * len * 2) % rate != 0) ceil++; if (rate != 2 && (flags & IEEE80211_F_SHPREAMBLE)) txtime = 72 + 24 + ceil; else txtime = 144 + 48 + ceil; } return txtime; } /* * Rate-to-bit-converter (Field "rate" in zyd_controlsetformat) */ uint8_t zyd_plcp_signal(int rate) { switch (rate) { /* CCK rates */ case 2: return 0x0; case 4: return 0x1; case 11: return 0x2; case 22: return 0x3; /* OFDM rates (cf IEEE Std 802.11a-1999, pp. 14 Table 80) */ case 12: return 0xb; case 18: return 0xf; case 24: return 0xa; case 36: return 0xe; case 48: return 0x9; case 72: return 0xd; case 96: return 0x8; case 108: return 0xc; /* unsupported rates (should not get there) */ default: return 0xff; } } /* int zyd_calc_useclen2(uint8_t *service, uint8_t cs_rate, uint16_t tx_length) { static const uint8_t rate_divisor[] = { [ZD_CS_CCK_RATE_1M] = 1, [ZD_CS_CCK_RATE_2M] = 2, [ZD_CS_CCK_RATE_5_5M] = 11, // bits must be doubled [ZD_CS_CCK_RATE_11M] = 11, [ZD_OFDM_RATE_6M] = 6, [ZD_OFDM_RATE_9M] = 9, [ZD_OFDM_RATE_12M] = 12, [ZD_OFDM_RATE_18M] = 18, [ZD_OFDM_RATE_24M] = 24, [ZD_OFDM_RATE_36M] = 36, [ZD_OFDM_RATE_48M] = 48, [ZD_OFDM_RATE_54M] = 54, }; uint32_t bits = (uint32_t)tx_length * 8; uint32_t divisor; divisor = rate_divisor[cs_rate]; if (divisor == 0) return -EINVAL; switch (cs_rate) { case ZD_CS_CCK_RATE_5_5M: bits = (2*bits) + 10; // round up to the next integer break; case ZD_CS_CCK_RATE_11M: if (service) { uint32_t t = bits % 11; *service &= ~ZD_PLCP_SERVICE_LENGTH_EXTENSION; if (0 < t && t <= 3) { *service |= ZD_PLCP_SERVICE_LENGTH_EXTENSION; } } bits += 10; // round up to the next integer break; } return bits/divisor; } enum { R2M_SHORT_PREAMBLE = 0x01, R2M_11A = 0x02, }; */ /* * Calculate frame transmit length in microseconds */ uint16_t zyd_calc_useclen(int rate, uint16_t len, uint8_t *service) { uint32_t remainder; uint32_t delta; uint16_t leninus; leninus = 0; *(service) = 0; switch (rate) { case 2: /* 1M bps */ leninus = len << 3; break; case 4: /* 2M bps */ leninus = len << 2; break; case 11: /* 5.5M bps */ leninus = (uint16_t)(((uint32_t)len << 4) / 11); remainder = (((uint32_t)len << 4) % 11); if (remainder) leninus += 1; break; case 22: /* 11M bps */ leninus = (uint16_t)(((uint32_t)len << 3) / 11); remainder = (((uint32_t)len << 3) % 11); delta = 11 - remainder; if (remainder) { leninus += 1; if (delta >= 8) *(service) |= 0x80; /* Bit 7 */ } break; case 12:/* 6M */ leninus = (uint16_t)(((uint32_t)len << 3) / 6); break; case 18:/* 9M */ leninus = (uint16_t)(((uint32_t)len << 3) / 9); break; case 24:/* 12M */ leninus = (uint16_t)(((uint32_t)len << 3) / 12); break; case 36:/* 18M */ leninus = (uint16_t)(((uint32_t)len << 3) / 18); break; case 48:/* 24M */ leninus = (uint16_t)(((uint32_t)len << 3) / 24); break; case 72:/* 36M */ leninus = (uint16_t)(((uint32_t)len << 3) / 36); break; case 96:/* 48M */ leninus = (uint16_t)(((uint32_t)len << 3) / 48); break; case 108: /* 54M */ leninus = (uint16_t)(((uint32_t)len << 3) / 54); break; } return leninus; } /* * Setup the controlsetformat structure */ void zyd_setup_tx_desc(struct zyd_softc *sc, struct zyd_controlsetformat *desc, struct mbuf *m, int len, int rate) { struct ieee80211com *ic = &sc->sc_ic; struct ieee80211_frame *wh = mtod(m, struct ieee80211_frame *); u_int8_t more_frag = wh->i_fc[1] & IEEE80211_FC1_MORE_FRAG; uint8_t type = wh->i_fc[0] & IEEE80211_FC0_TYPE_MASK; uint8_t subtype = wh->i_fc[0] & IEEE80211_FC0_SUBTYPE_MASK; uint16_t txlen; DPRINTF(("Entering zyd_setup_tx_desc()\n")); DPRINTF(("sizeof (zyd_controlsetformat) = %d\n", sizeof(struct zyd_controlsetformat))); memset(desc, 0, ZYD_TX_DESC_SIZE); /* Rate (CCK and OFDM) */ desc->rate = zyd_plcp_signal(rate); /* Modulation type (CCK/OFDM) */ if (ZYD_RATE_IS_OFDM(rate)) desc->modulationtype = CSF_MT_OFDM; else desc->modulationtype = CSF_MT_CCK; /* Preamble/a/g (depending on modtype) */ if (desc->modulationtype == CSF_MT_CCK) { if (ic->ic_flags & IEEE80211_F_SHPREAMBLE) desc->preamble = CSF_PM_CCK_SHORT; } // DEBUG! desc->preamble = 0; /* * Transmit frame length in bytes: * 802.11 MAC header length + raw data length * + ICV/(MIC) length + FCS length. */ txlen = len; /* + 4;*/ desc->txlen = htole16(txlen); /* * If no more fragments, enable backoff protection, * 80211-1999 p. 77 */ if (!more_frag) desc->needbackoff = CSF_BO_RAND; /* Multicast */ if (IEEE80211_IS_MULTICAST(wh->i_addr1)) desc->multicast = CSF_MC_MULTICAST; /* Frame type */ switch (type) { case IEEE80211_FC0_TYPE_DATA: desc->frametype = CSF_FT_DATAFRAME; break; case IEEE80211_FC0_TYPE_MGT: desc->frametype = CSF_FT_MGMTFRAME; break; case IEEE80211_FC0_TYPE_CTL: /* Only subtype PS_POLL has seq control */ if (subtype == IEEE80211_FC0_SUBTYPE_PS_POLL) desc->frametype = CSF_FT_POLLFRAME; else desc->frametype = CSF_FT_NOSEQCONTROL; break; /* All other don't have a sequence control field */ default: desc->frametype = CSF_FT_NOSEQCONTROL; } /* Wake dst. ignored */ /* * RTS/CTS * If the frame is non-multicast, non-mgt, set "RTS" if * fragment size > RTS threshold in CCK mode. In OFDM, set * self cts instead. */ if (!IEEE80211_IS_MULTICAST(wh->i_addr1) && (type != IEEE80211_FC0_TYPE_MGT) && (txlen > ic->ic_rtsthreshold)) { if (ZYD_RATE_IS_OFDM(rate)) desc->selfcts = CSF_SC_SCFRAME; else desc->rts = CSF_RTS_NEEDRTSFRAME; } /* Encryption */ /* * TODO: Hmm ... only set this if hardware performs * encryption. Does it??? */ /* Self cts */ /* if (ic->ic_protmode == IEEE80211_PROT_CTSONLY) desc->selfcts = CSF_SC_SCFRAME;*/ /* Packet length */ /* DEBUG: appendet 25... */ desc->packetlength = htole16(len + 25); /* desc->packetlength = (ZYD_TX_DESC_SIZE + len + 1) & ~1; */ /* Service (PLCP) */ desc->service = 0; /* Current length (usec) */ desc->currentlength = htole16( zyd_calc_useclen(rate, txlen, &desc->service)); /* Next frame length (usec) */ if (more_frag) desc->nextframelen = desc->currentlength; // DEBUG! DPRINTF(("desc: rate=%d, modulationtype=%d, preamble=%d, " "txlen=%d, needbackoff=%d, multicast=%d, frametype=%d, " "wakedst=%d, rts=%d, encryption=%d, selfcts=%d, " "packetlength=%d, currentlength=%d, service=%d, nextframelen=%d\n", desc->rate, desc->modulationtype, desc->preamble, desc->txlen, desc->needbackoff, desc->multicast, desc->frametype, desc->wakedst, desc->rts, desc->encryption, desc->selfcts, desc->packetlength, desc->currentlength, desc->service, desc->nextframelen)); } void dump_fw_registers(struct zyd_softc *); void dump_fw_registers(struct zyd_softc *sc) { static const uint32_t addr[4] = { ZYD_FW_FIRMWARE_VER, ZYD_FW_USB_SPEED, ZYD_FW_FIX_TX_RATE, ZYD_FW_LINK_STATUS }; /* int rv, i;*/ int i; uint16_t values[4]; for (i = 0; i < 4; ++i) zyd_read16(sc, addr[i], &values[i]); DPRINTF(("FW_FIRMWARE_VER %#06hx\n", values[0])); DPRINTF(("FW_USB_SPEED %#06hx\n", values[1])); DPRINTF(("FW_FIX_TX_RATE %#06hx\n", values[2])); DPRINTF(("FW_LINK_STATUS %#06hx\n", values[3])); } int zyd_tx_mgt(struct zyd_softc *sc, struct mbuf *m0, struct ieee80211_node *ni) { struct ieee80211com *ic = &sc->sc_ic; struct zyd_controlsetformat *desc; struct zyd_tx_data *data; struct ieee80211_frame *wh; uint16_t dur; usbd_status error; int xferlen, rate; DPRINTF(("Entering zyd_tx_mgt()\n")); /* dump_fw_registers(sc);*/ data = &sc->tx_data[0]; desc = (struct zyd_controlsetformat *)data->buf; rate = IEEE80211_IS_CHAN_5GHZ(ic->ic_bss->ni_chan) ? 12 : 2; data->m = m0; data->ni = ni; wh = mtod(m0, struct ieee80211_frame *); if (!IEEE80211_IS_MULTICAST(wh->i_addr1)) { dur = zyd_txtime(ZYD_ACK_SIZE, rate, ic->ic_flags) + ZYD_SIFS; *(uint16_t *)wh->i_dur = htole16(dur); /* // tell hardware to add timestamp for probe responses if ((wh->i_fc[0] & (IEEE80211_FC0_TYPE_MASK | IEEE80211_FC0_SUBTYPE_MASK)) == (IEEE80211_FC0_TYPE_MGT | IEEE80211_FC0_SUBTYPE_PROBE_RESP)) flags |= RAL_TX_TIMESTAMP;*/ } #if NBPFILTER > 0 if (sc->sc_drvbpf != NULL) { struct mbuf mb; struct zyd_tx_radiotap_header *tap = &sc->sc_txtap; tap->wt_flags = 0; tap->wt_rate = rate; tap->wt_chan_freq = htole16(ic->ic_bss->ni_chan->ic_freq); tap->wt_chan_flags = htole16(ic->ic_bss->ni_chan->ic_flags); M_DUP_PKTHDR(&mb, m0); mb.m_data = (caddr_t)tap; mb.m_len = sc->sc_txtap_len; mb.m_next = m0; mb.m_pkthdr.len += mb.m_len; bpf_mtap(sc->sc_drvbpf, &mb, BPF_DIRECTION_OUT); } #endif m_copydata(m0, 0, m0->m_pkthdr.len, data->buf + ZYD_TX_DESC_SIZE); #ifdef ZYD_DEBUG if (zyddebug >= 3) { printf("%s: Raw dump before desc setup:\n", USBDEVNAME(sc->zyd_dev)); bindump(data->buf, xferlen); } #endif zyd_setup_tx_desc(sc, desc, m0, m0->m_pkthdr.len, rate); /* xfer length needs to be a multiple of two! */ xferlen = (ZYD_TX_DESC_SIZE + m0->m_pkthdr.len + 1) & ~1; /* Make sure padding is 0x00 */ if (xferlen != (ZYD_TX_DESC_SIZE + m0->m_pkthdr.len)) *(data->buf + xferlen - 1) = 0x00; DPRINTF(("sending mgt frame len=%u rate=%u xfer len=%u\n", m0->m_pkthdr.len, rate, xferlen)); #ifdef ZYD_DEBUG if (zyddebug >= 3) { printf("%s: Raw send data output:\n", USBDEVNAME(sc->zyd_dev)); bindump(data->buf, xferlen); } #endif usbd_setup_xfer(data->xfer, sc->zyd_ep[ZYD_ENDPT_BOUT], data, data->buf, xferlen, USBD_FORCE_SHORT_XFER | USBD_NO_COPY, ZYD_TX_TIMEOUT, zyd_txeof); error = usbd_transfer(data->xfer); if (error != USBD_NORMAL_COMPLETION && error != USBD_IN_PROGRESS) { DPRINTF(("zyd_tx_mgt(): Error %d\n", error)); m_freem(m0); return error; } sc->tx_queued++; /* zyd_stateoutput(sc);*/ DPRINTF(("Leaving zyd_tx_mgt()\n")); return 0; } int zyd_tx_data(struct zyd_softc *sc, struct mbuf *m0, struct ieee80211_node *ni) { struct ieee80211com *ic = &sc->sc_ic; /* struct ifnet *ifp = &ic->ic_if;*/ struct ieee80211_rateset *rs; struct zyd_controlsetformat *desc; struct zyd_tx_data *data; struct ieee80211_frame *wh; /* uint16_t dur;*/ usbd_status error; int xferlen, rate; DPRINTF(("Entering zyd_tx_data()\n")); /* XXX this should be reworked! */ if (ic->ic_fixed_rate != -1) { if (ic->ic_curmode != IEEE80211_MODE_AUTO) rs = &ic->ic_sup_rates[ic->ic_curmode]; else rs = &ic->ic_sup_rates[IEEE80211_MODE_11G]; rate = rs->rs_rates[ic->ic_fixed_rate]; } else { rs = &ni->ni_rates; rate = rs->rs_rates[ni->ni_txrate]; } rate &= IEEE80211_RATE_VAL; /* if (ic->ic_flags & IEEE80211_F_WEPON) { m0 = ieee80211_wep_crypt(ifp, m0, 1); if (m0 == NULL) return ENOBUFS; }*/ data = &sc->tx_data[0]; desc = (struct zyd_controlsetformat *)data->buf; data->m = m0; data->ni = ni; wh = mtod(m0, struct ieee80211_frame *); /* if (!IEEE80211_IS_MULTICAST(wh->i_addr1)) { dur = zyd_txtime(ZYD_ACK_SIZE, zyd_ack_rate(ic, rate), ic->ic_flags) + ZYD_SIFS; *(uint16_t *)wh->i_dur = htole16(dur); }*/ #if NBPFILTER > 0 if (sc->sc_drvbpf != NULL) { struct mbuf mb; struct zyd_tx_radiotap_header *tap = &sc->sc_txtap; tap->wt_flags = 0; tap->wt_rate = rate; tap->wt_chan_freq = htole16(ic->ic_bss->ni_chan->ic_freq); tap->wt_chan_flags = htole16(ic->ic_bss->ni_chan->ic_flags); M_DUP_PKTHDR(&mb, m0); mb.m_data = (caddr_t)tap; mb.m_len = sc->sc_txtap_len; mb.m_next = m0; mb.m_pkthdr.len += mb.m_len; bpf_mtap(sc->sc_drvbpf, &mb, BPF_DIRECTION_OUT); } #endif m_copydata(m0, 0, m0->m_pkthdr.len, data->buf + ZYD_TX_DESC_SIZE); zyd_setup_tx_desc(sc, desc, m0, m0->m_pkthdr.len, rate); // xfer length needs to be a multiple of two! xferlen = (ZYD_TX_DESC_SIZE + m0->m_pkthdr.len + 1) & ~1; DPRINTF(("sending data frame len=%u rate=%u xfer len=%u\n", m0->m_pkthdr.len, rate, xferlen)); usbd_setup_xfer(data->xfer, sc->zyd_ep[ZYD_ENDPT_BOUT], data, data->buf, xferlen, USBD_FORCE_SHORT_XFER | USBD_NO_COPY, ZYD_TX_TIMEOUT, zyd_txeof); error = usbd_transfer(data->xfer); if (error != USBD_NORMAL_COMPLETION && error != USBD_IN_PROGRESS) { m_freem(m0); return error; } sc->tx_queued++; DPRINTF(("Leaving zyd_tx_data()\n")); return 0; } /* * Transmit beacon frame */ int zyd_tx_bcn(struct zyd_softc *sc, struct mbuf *m0, struct ieee80211_node *ni) { struct ieee80211com *ic = &sc->sc_ic; struct zyd_controlsetformat *desc; usbd_xfer_handle xfer; usbd_status error; uint8_t cmd = 0; uint8_t *buf; int xferlen, rate; DPRINTF(("Entering zyd_tx_bcn()\n")); rate = IEEE80211_IS_CHAN_5GHZ(ic->ic_bss->ni_chan) ? 12 : 4; xfer = usbd_alloc_xfer(sc->zyd_udev); if (xfer == NULL) return ENOMEM; /* xfer length needs to be a multiple of two! */ xferlen = (ZYD_TX_DESC_SIZE + m0->m_pkthdr.len + 1) & ~1; buf = usbd_alloc_buffer(xfer, xferlen); if (buf == NULL) { usbd_free_xfer(xfer); return ENOMEM; } usbd_setup_xfer(xfer, sc->zyd_ep[ZYD_ENDPT_BOUT], NULL, &cmd, sizeof cmd, USBD_FORCE_SHORT_XFER, ZYD_TX_TIMEOUT, NULL); error = usbd_sync_transfer(xfer); if (error != 0) { usbd_free_xfer(xfer); return error; } desc = (struct zyd_controlsetformat *)buf; m_copydata(m0, 0, m0->m_pkthdr.len, buf + ZYD_TX_DESC_SIZE); zyd_setup_tx_desc(sc, desc, m0, m0->m_pkthdr.len, rate); DPRINTF(("sending beacon frame len=%u rate=%u xfer len=%u\n", m0->m_pkthdr.len, rate, xferlen)); usbd_setup_xfer(xfer, sc->zyd_ep[ZYD_ENDPT_BOUT], NULL, buf, xferlen, USBD_FORCE_SHORT_XFER | USBD_NO_COPY, ZYD_TX_TIMEOUT, NULL); error = usbd_sync_transfer(xfer); usbd_free_xfer(xfer); DPRINTF(("Leaving zyd_tx_bcn()\n")); return error; } void zyd_set_chan(struct zyd_softc *sc, struct ieee80211_channel *c) { struct ieee80211com *ic = &sc->sc_ic; /* uint8_t power, tmp; u_int i, chan;*/ unsigned int chan; chan = ieee80211_chan2ieee(ic, c); DPRINTF(("zyd_set_chan: Will try %d\n", chan)); if (chan == 0 || chan == IEEE80211_CHAN_ANY) { DPRINTF(("zyd_set_chan(): 0 or ANY, exiting\n")); return; } zyd_lock_phy(sc); sc->rf.set_channel(sc, &sc->rf, chan); /* Power integration */ zyd_write32(sc, ZYD_CR31, sc->pwr_int_values[chan - 1]); /* Power calibration */ zyd_write32(sc, ZYD_CR68, sc->pwr_cal_values[chan - 1]); zyd_unlock_phy(sc); } /* * Interface: init */ int zyd_init(struct ifnet *ifp) { struct zyd_softc *sc = ifp->if_softc; struct ieee80211com *ic = &sc->sc_ic; struct zyd_rx_data *data; usbd_status err; uint32_t statedata; int i, s; DPRINTF(("Entering zyd_init()\n")); s = splnet(); /* zyd_stop(ifp, 0);*/ /* Do initial setup */ err = zyd_initial_config(sc); if (err) { DPRINTF(("%s: initial config failed!\n", USBDEVNAME(sc->zyd_dev))); splx(s); return(EIO); } /* Additional init */ zyd_reset_mode(sc); zyd_switch_radio(sc, 1); /* Set basic rates */ zyd_set_basic_rates(sc, ic->ic_curmode); /* Set mandatory rates */ /* zyd_set_mandatory_rates(sc, ic->ic_curmode); */ DPRINTF(("@1: zyd_init()\n")); /* set default BSS channel */ ic->ic_bss->ni_chan = ic->ic_ibss_chan; DPRINTF(("Setting channel from if_init()\n")); zyd_set_chan(sc, ic->ic_bss->ni_chan); zyd_enable_hwint(sc); DPRINTF(("@2: zyd_init()\n")); IEEE80211_ADDR_COPY(ic->ic_myaddr, LLADDR(ifp->if_sadl)); DPRINTFN(10, ("%s: zyd_init\n", USBDEVNAME(sc->zyd_dev))); if (ifp->if_flags & IFF_RUNNING) { splx(s); return(0); } /* * Allocate Tx and Rx xfer queues. */ DPRINTF(("@3: zyd_init()\n")); err = zyd_alloc_tx(sc); if (err != 0) { printf("%s: could not allocate Tx list\n", USBDEVNAME(sc->zyd_dev)); goto fail; } DPRINTF(("@4: zyd_init()\n")); err = zyd_alloc_rx(sc); if (err != 0) { printf("%s: could not allocate Rx list\n", USBDEVNAME(sc->zyd_dev)); goto fail; } /* * Start up the receive pipe. */ DPRINTF(("@5: zyd_init()\n")); for (i = 0; i < ZYD_RX_LIST_CNT; i++) { data = &sc->rx_data[i]; usbd_setup_xfer(data->xfer, sc->zyd_ep[ZYD_ENDPT_BIN], data, data->buf, MCLBYTES, USBD_SHORT_XFER_OK, USBD_NO_TIMEOUT, zyd_rxeof); usbd_transfer(data->xfer); } /* Load the multicast filter. */ /*zyd_setmulti(sc); */ DPRINTF(("@6: zyd_init()\n")); DPRINTFN(10, ("%s: starting up using MAC=%s\n", USBDEVNAME(sc->zyd_dev), ether_sprintf(ic->ic_myaddr))); DPRINTFN(10, ("%s: initialised transceiver\n", USBDEVNAME(sc->zyd_dev))); ifp->if_flags &= ~IFF_OACTIVE; ifp->if_flags |= IFF_RUNNING; if (ic->ic_opmode == IEEE80211_M_MONITOR) ieee80211_new_state(ic, IEEE80211_S_RUN, -1); else ieee80211_new_state(ic, IEEE80211_S_SCAN, -1); DPRINTF(("@7: zyd_init()\n")); zyd_read32(sc, ZYD_REG_CTL(0x684), &statedata); DPRINTF(("State machine: %x\n", statedata)); return 0; fail: /* zyd_stop(ifp, 1);*/ splx(s); return err; } /* void zyd_stop(struct ifnet *ifp, int disable) { struct zyd_softc *sc = ifp->if_softc; struct ieee80211com *ic = &sc->sc_ic; DPRINTF(("Entering zyd_stop()\n")); ieee80211_new_state(ic, IEEE80211_S_INIT, -1); sc->tx_timer = 0; ifp->if_timer = 0; ifp->if_flags &= ~(IFF_RUNNING | IFF_OACTIVE); zyd_free_rx(sc); zyd_free_tx(sc); DPRINTF(("Leaving zyd_stop()\n")); }*/ void zyd_start(struct ifnet *ifp) { struct zyd_softc *sc = ifp->if_softc; struct ieee80211com *ic = &sc->sc_ic; struct ether_header *eh; struct ieee80211_node *ni; struct mbuf *m0; /* * net80211 may still try to send management frames even if the * IFF_RUNNING flag is not set... */ if ((ifp->if_flags & (IFF_RUNNING | IFF_OACTIVE)) != IFF_RUNNING) return; DPRINTF(("Entering zyd_start()\n")); for (;;) { IF_POLL(&ic->ic_mgtq, m0); if (m0 != NULL) { DPRINTF(("zyd_start: m0 != NULL, tx_queued = %d\n", sc->tx_queued)); if (sc->tx_queued >= ZYD_TX_LIST_CNT) { ifp->if_flags |= IFF_OACTIVE; break; } IF_DEQUEUE(&ic->ic_mgtq, m0); ni = (struct ieee80211_node *)m0->m_pkthdr.rcvif; m0->m_pkthdr.rcvif = NULL; #if NBPFILTER > 0 if (ic->ic_rawbpf != NULL) bpf_mtap(ic->ic_rawbpf, m0, BPF_DIRECTION_OUT); #endif DPRINTF(("if_state: @1\n")); if (zyd_tx_mgt(sc, m0, ni) != 0) break; } else { DPRINTF(("if_state: @2\n")); if (ic->ic_state != IEEE80211_S_RUN) break; IFQ_DEQUEUE(&ifp->if_snd, m0); DPRINTF(("if_state: @3\n")); if (m0 == NULL) break; DPRINTF(("if_state: @4\n")); if (sc->tx_queued >= ZYD_TX_LIST_CNT) { IF_PREPEND(&ifp->if_snd, m0); ifp->if_flags |= IFF_OACTIVE; break; } DPRINTF(("if_state: @5\n")); if (m0->m_len < sizeof (struct ether_header) && !(m0 = m_pullup(m0, sizeof (struct ether_header)))) continue; DPRINTF(("if_state: @6\n")); eh = mtod(m0, struct ether_header *); ni = ieee80211_find_txnode(ic, eh->ether_dhost); if (ni == NULL) { m_freem(m0); continue; } DPRINTF(("if_state: @7\n")); #if NBPFILTER > 0 if (ifp->if_bpf != NULL) bpf_mtap(ifp->if_bpf, m0, BPF_DIRECTION_OUT); #endif if ((m0 = ieee80211_encap(ifp, m0, &ni)) == NULL) { ifp->if_oerrors++; continue; } #if NBPFILTER > 0 if (ic->ic_rawbpf != NULL) bpf_mtap(ic->ic_rawbpf, m0, BPF_DIRECTION_OUT); #endif DPRINTF(("if_state: @8\n")); if (zyd_tx_data(sc, m0, ni) != 0) { ieee80211_release_node(ic, ni); ifp->if_oerrors++; break; } } sc->tx_timer = 5; ifp->if_timer = 1; } DPRINTF(("Finished zyd_start()\n")); } int zyd_ioctl(struct ifnet *ifp, u_long command, caddr_t data) { struct zyd_softc *sc = ifp->if_softc; struct ieee80211com *ic = &sc->sc_ic; struct ifaddr *ifa; struct ifreq *ifr; int err = 0, s; s = splnet(); switch (command) { case SIOCSIFADDR: ifa = (struct ifaddr *)data; ifp->if_flags |= IFF_UP; #ifdef INET if (ifa->ifa_addr->sa_family == AF_INET) arp_ifinit(&ic->ic_ac, ifa); #endif /* FALLTHROUGH */ case SIOCSIFFLAGS: if (ifp->if_flags & IFF_UP) { if (ifp->if_flags & IFF_RUNNING) zyd_update_promisc(sc); else zyd_init(ifp); } else { /* if (ifp->if_flags & IFF_RUNNING) zyd_stop(ifp, 1);*/ } break; case SIOCADDMULTI: case SIOCDELMULTI: ifr = (struct ifreq *)data; err = (command == SIOCADDMULTI) ? ether_addmulti(ifr, &ic->ic_ac) : ether_delmulti(ifr, &ic->ic_ac); if (err == ENETRESET) err = 0; break; case SIOCS80211CHANNEL: /* * This allows for fast channel switching in monitor mode * (used by kismet). In IBSS mode, we must explicitly reset * the interface to generate a new beacon frame. */ DPRINTF(("IOCTL: SIOCS80211CHANNEL (Setting channel from ioctl\n")); err = ieee80211_ioctl(ifp, command, data); if (err == ENETRESET && ic->ic_opmode == IEEE80211_M_MONITOR) { zyd_set_chan(sc, ic->ic_ibss_chan); err = 0; } break; default: DPRINTFN(15, ("%s: ieee80211_ioctl (%lu)\n", USBDEVNAME(sc->zyd_dev), command)); err = ieee80211_ioctl(ifp, command, data); break; } if (err == ENETRESET) { if ((ifp->if_flags & (IFF_RUNNING | IFF_UP)) == (IFF_RUNNING | IFF_UP)) { DPRINTF(("%s: zyd_ioctl(): netreset\n", USBDEVNAME(sc->zyd_dev))); zyd_init(ifp); } err = 0; } splx(s); return (err); } void zyd_watchdog(struct ifnet *ifp) { struct zyd_softc *sc = ifp->if_softc; DPRINTF(("zyd_watchdog()\n")); ifp->if_timer = 0; if (sc->tx_timer > 0) { if (--sc->tx_timer == 0) { printf("%s: device timeout\n", USBDEVNAME(sc->zyd_dev)); /*zyd_init(ifp); XXX needs a process context ? */ ifp->if_oerrors++; return; } ifp->if_timer = 1; } ieee80211_watchdog(ifp); } /* * This function is called periodically (every 200ms) during scanning to * switch from one channel to another. */ void zyd_next_scan(void *arg) { struct zyd_softc *sc = arg; struct ieee80211com *ic = &sc->sc_ic; DPRINTF(("Executing next_scan\n")); if (ic->ic_state == IEEE80211_S_SCAN) ieee80211_next_scan(&ic->ic_if); } /* * USB task callback */ void zyd_task(void *arg) { struct zyd_softc *sc = arg; struct ieee80211com *ic = &sc->sc_ic; enum ieee80211_state ostate; struct mbuf *m; ostate = ic->ic_state; switch (sc->sc_state) { case IEEE80211_S_INIT: if (ostate == IEEE80211_S_RUN) { } break; case IEEE80211_S_SCAN: DPRINTF(("Setting channel from task (SCAN)\n")); zyd_set_chan(sc, ic->ic_bss->ni_chan); timeout_add(&sc->scan_ch, hz / 5); break; case IEEE80211_S_AUTH: DPRINTF(("Setting channel from task (AUTH)\n")); zyd_set_chan(sc, ic->ic_bss->ni_chan); break; case IEEE80211_S_ASSOC: DPRINTF(("Setting channel from task (ASSOC)\n")); zyd_set_chan(sc, ic->ic_bss->ni_chan); break; case IEEE80211_S_RUN: DPRINTF(("Setting channel from task (RUN)\n")); zyd_set_chan(sc, ic->ic_bss->ni_chan); if (ic->ic_opmode != IEEE80211_M_MONITOR) zyd_set_bssid(sc, ic->ic_bss->ni_bssid); if (ic->ic_opmode == IEEE80211_M_HOSTAP || ic->ic_opmode == IEEE80211_M_IBSS) { m = ieee80211_beacon_alloc(ic, ic->ic_bss); if (m == NULL) { printf("%s: could not allocate beacon\n", USBDEVNAME(sc->zyd_dev)); return; } if (zyd_tx_bcn(sc, m, ic->ic_bss) != 0) { m_freem(m); printf("%s: could not transmit beacon\n", USBDEVNAME(sc->zyd_dev)); return; } /* beacon is no longer needed */ m_freem(m); } break; } sc->sc_newstate(ic, sc->sc_state, -1); } int zyd_activate(device_ptr_t self, enum devact act) { DPRINTF(("Entering zyd_activate()\n")); switch (act) { case DVACT_ACTIVATE: break; case DVACT_DEACTIVATE: if_deactivate(&sc->sc_if); break; } return 0; }