Date: Mon, 11 May 2009 02:39:49 +0000 (UTC) From: Weongyo Jeong <weongyo@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r191983 - in head/sys: dev/usb/wlan modules/usb/upgt Message-ID: <200905110239.n4B2dnSX075285@svn.freebsd.org>
next in thread | raw e-mail | index | archive | help
Author: weongyo Date: Mon May 11 02:39:49 2009 New Revision: 191983 URL: http://svn.freebsd.org/changeset/base/191983 Log: ports upgt(4) driver for USB2. Added: head/sys/dev/usb/wlan/if_upgt.c (contents, props changed) head/sys/dev/usb/wlan/if_upgtvar.h (contents, props changed) head/sys/modules/usb/upgt/ head/sys/modules/usb/upgt/Makefile (contents, props changed) Added: head/sys/dev/usb/wlan/if_upgt.c ============================================================================== --- /dev/null 00:00:00 1970 (empty, because file is newly added) +++ head/sys/dev/usb/wlan/if_upgt.c Mon May 11 02:39:49 2009 (r191983) @@ -0,0 +1,2404 @@ +/* $OpenBSD: if_upgt.c,v 1.35 2008/04/16 18:32:15 damien Exp $ */ +/* $FreeBSD$ */ + +/* + * Copyright (c) 2007 Marcus Glocker <mglocker@openbsd.org> + * + * 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. + */ + +#include <sys/param.h> +#include <sys/systm.h> +#include <sys/kernel.h> +#include <sys/endian.h> +#include <sys/firmware.h> +#include <sys/linker.h> +#include <sys/mbuf.h> +#include <sys/malloc.h> +#include <sys/module.h> +#include <sys/socket.h> +#include <sys/sockio.h> +#include <sys/sysctl.h> + +#include <net/if.h> +#include <net/if_arp.h> +#include <net/ethernet.h> +#include <net/if_dl.h> +#include <net/if_media.h> +#include <net/if_types.h> + +#include <sys/bus.h> +#include <machine/bus.h> + +#include <net80211/ieee80211_var.h> +#include <net80211/ieee80211_phy.h> +#include <net80211/ieee80211_radiotap.h> +#include <net80211/ieee80211_regdomain.h> + +#include <net/bpf.h> + +#include <dev/usb/usb.h> +#include <dev/usb/usb_core.h> +#include <dev/usb/usb_busdma.h> +#include <dev/usb/usb_debug.h> +#include <dev/usb/usb_error.h> +#include <dev/usb/usb_lookup.h> +#include <dev/usb/usb_util.h> +#include "usbdevs.h" + +#include <dev/usb/wlan/if_upgtvar.h> + +/* + * Driver for the USB PrismGT devices. + * + * For now just USB 2.0 devices with the GW3887 chipset are supported. + * The driver has been written based on the firmware version 2.13.1.0_LM87. + * + * TODO's: + * - MONITOR mode test. + * - Add HOSTAP mode. + * - Add IBSS mode. + * - Support the USB 1.0 devices (NET2280, ISL3880, ISL3886 chipsets). + * + * Parts of this driver has been influenced by reading the p54u driver + * written by Jean-Baptiste Note <jean-baptiste.note@m4x.org> and + * Sebastien Bourdeauducq <lekernel@prism54.org>. + */ + +SYSCTL_NODE(_hw, OID_AUTO, upgt, CTLFLAG_RD, 0, + "USB PrismGT GW3887 driver parameters"); + +#ifdef UPGT_DEBUG +int upgt_debug = 0; +SYSCTL_INT(_hw_upgt, OID_AUTO, debug, CTLFLAG_RW, &upgt_debug, + 0, "control debugging printfs"); +TUNABLE_INT("hw.upgt.debug", &upgt_debug); +enum { + UPGT_DEBUG_XMIT = 0x00000001, /* basic xmit operation */ + UPGT_DEBUG_RECV = 0x00000002, /* basic recv operation */ + UPGT_DEBUG_RESET = 0x00000004, /* reset processing */ + UPGT_DEBUG_INTR = 0x00000008, /* INTR */ + UPGT_DEBUG_TX_PROC = 0x00000010, /* tx ISR proc */ + UPGT_DEBUG_RX_PROC = 0x00000020, /* rx ISR proc */ + UPGT_DEBUG_STATE = 0x00000040, /* 802.11 state transitions */ + UPGT_DEBUG_STAT = 0x00000080, /* statistic */ + UPGT_DEBUG_FW = 0x00000100, /* firmware */ + UPGT_DEBUG_ANY = 0xffffffff +}; +#define DPRINTF(sc, m, fmt, ...) do { \ + if (sc->sc_debug & (m)) \ + printf(fmt, __VA_ARGS__); \ +} while (0) +#else +#define DPRINTF(sc, m, fmt, ...) do { \ + (void) sc; \ +} while (0) +#endif + +/* + * Prototypes. + */ +static device_probe_t upgt_match; +static device_attach_t upgt_attach; +static device_detach_t upgt_detach; +static int upgt_alloc_tx(struct upgt_softc *); +static int upgt_alloc_rx(struct upgt_softc *); +static int upgt_device_reset(struct upgt_softc *); +static void upgt_bulk_tx(struct upgt_softc *, struct upgt_data *); +static int upgt_fw_verify(struct upgt_softc *); +static int upgt_mem_init(struct upgt_softc *); +static int upgt_fw_load(struct upgt_softc *); +static int upgt_fw_copy(const uint8_t *, char *, int); +static uint32_t upgt_crc32_le(const void *, size_t); +static struct mbuf * + upgt_rxeof(struct usb2_xfer *, struct upgt_data *, int *); +static struct mbuf * + upgt_rx(struct upgt_softc *, uint8_t *, int, int *); +static void upgt_txeof(struct usb2_xfer *, struct upgt_data *); +static int upgt_eeprom_read(struct upgt_softc *); +static int upgt_eeprom_parse(struct upgt_softc *); +static void upgt_eeprom_parse_hwrx(struct upgt_softc *, uint8_t *); +static void upgt_eeprom_parse_freq3(struct upgt_softc *, uint8_t *, int); +static void upgt_eeprom_parse_freq4(struct upgt_softc *, uint8_t *, int); +static void upgt_eeprom_parse_freq6(struct upgt_softc *, uint8_t *, int); +static uint32_t upgt_chksum_le(const uint32_t *, size_t); +static void upgt_tx_done(struct upgt_softc *, uint8_t *); +static void upgt_init(void *); +static void upgt_init_locked(struct upgt_softc *); +static int upgt_ioctl(struct ifnet *, u_long, caddr_t); +static void upgt_start(struct ifnet *); +static int upgt_raw_xmit(struct ieee80211_node *, struct mbuf *, + const struct ieee80211_bpf_params *); +static void upgt_scan_start(struct ieee80211com *); +static void upgt_scan_end(struct ieee80211com *); +static void upgt_set_channel(struct ieee80211com *); +static struct ieee80211vap *upgt_vap_create(struct ieee80211com *, + const char name[IFNAMSIZ], int unit, int opmode, + int flags, const uint8_t bssid[IEEE80211_ADDR_LEN], + const uint8_t mac[IEEE80211_ADDR_LEN]); +static void upgt_vap_delete(struct ieee80211vap *); +static void upgt_update_mcast(struct ifnet *); +static uint8_t upgt_rx_rate(struct upgt_softc *, const int); +static void upgt_set_multi(void *); +static void upgt_stop(struct upgt_softc *); +static void upgt_setup_rates(struct ieee80211vap *, struct ieee80211com *); +static int upgt_set_macfilter(struct upgt_softc *, uint8_t); +static int upgt_newstate(struct ieee80211vap *, enum ieee80211_state, int); +static void upgt_set_chan(struct upgt_softc *, struct ieee80211_channel *); +static void upgt_set_led(struct upgt_softc *, int); +static void upgt_set_led_blink(void *); +static void upgt_get_stats(struct upgt_softc *); +static void upgt_mem_free(struct upgt_softc *, uint32_t); +static uint32_t upgt_mem_alloc(struct upgt_softc *); +static void upgt_free_tx(struct upgt_softc *); +static void upgt_free_rx(struct upgt_softc *); +static void upgt_watchdog(void *); +static void upgt_abort_xfers(struct upgt_softc *); +static void upgt_abort_xfers_locked(struct upgt_softc *); +static void upgt_sysctl_node(struct upgt_softc *); +static struct upgt_data * + upgt_getbuf(struct upgt_softc *); +static struct upgt_data * + upgt_gettxbuf(struct upgt_softc *); +static int upgt_tx_start(struct upgt_softc *, struct mbuf *, + struct ieee80211_node *, struct upgt_data *); + +static const char *upgt_fwname = "upgt-gw3887"; + +static const struct usb2_device_id upgt_devs_2[] = { +#define UPGT_DEV(v,p) { USB_VP(USB_VENDOR_##v, USB_PRODUCT_##v##_##p) } + /* version 2 devices */ + UPGT_DEV(ACCTON, PRISM_GT), + UPGT_DEV(BELKIN, F5D7050), + UPGT_DEV(CISCOLINKSYS, WUSB54AG), + UPGT_DEV(CONCEPTRONIC, PRISM_GT), + UPGT_DEV(DELL, PRISM_GT_1), + UPGT_DEV(DELL, PRISM_GT_2), + UPGT_DEV(FSC, E5400), + UPGT_DEV(GLOBESPAN, PRISM_GT_1), + UPGT_DEV(GLOBESPAN, PRISM_GT_2), + UPGT_DEV(INTERSIL, PRISM_GT), + UPGT_DEV(SMC, 2862WG), + UPGT_DEV(WISTRONNEWEB, UR045G), + UPGT_DEV(XYRATEX, PRISM_GT_1), + UPGT_DEV(XYRATEX, PRISM_GT_2), + UPGT_DEV(ZCOM, XG703A), + UPGT_DEV(ZCOM, XM142) +}; + +static usb2_callback_t upgt_bulk_rx_callback; +static usb2_callback_t upgt_bulk_tx_callback; + +static const struct usb2_config upgt_config[UPGT_N_XFERS] = { + [UPGT_BULK_TX] = { + .type = UE_BULK, + .endpoint = UE_ADDR_ANY, + .direction = UE_DIR_OUT, + .bufsize = MCLBYTES, + .flags = { + .ext_buffer = 1, + .force_short_xfer = 1, + .pipe_bof = 1 + }, + .callback = upgt_bulk_tx_callback, + .timeout = UPGT_USB_TIMEOUT, /* ms */ + }, + [UPGT_BULK_RX] = { + .type = UE_BULK, + .endpoint = UE_ADDR_ANY, + .direction = UE_DIR_IN, + .bufsize = MCLBYTES, + .flags = { + .ext_buffer = 1, + .pipe_bof = 1, + .short_xfer_ok = 1 + }, + .callback = upgt_bulk_rx_callback, + }, +}; + +static int +upgt_match(device_t dev) +{ + struct usb2_attach_arg *uaa = device_get_ivars(dev); + + if (uaa->usb2_mode != USB_MODE_HOST) + return (ENXIO); + if (uaa->info.bConfigIndex != UPGT_CONFIG_INDEX) + return (ENXIO); + if (uaa->info.bIfaceIndex != UPGT_IFACE_INDEX) + return (ENXIO); + + return (usb2_lookup_id_by_uaa(upgt_devs_2, sizeof(upgt_devs_2), uaa)); +} + +static int +upgt_attach(device_t dev) +{ + int error; + struct ieee80211com *ic; + struct ifnet *ifp; + struct upgt_softc *sc = device_get_softc(dev); + struct usb2_attach_arg *uaa = device_get_ivars(dev); + uint8_t bands, iface_index = UPGT_IFACE_INDEX; + + sc->sc_dev = dev; + sc->sc_udev = uaa->device; +#ifdef UPGT_DEBUG + sc->sc_debug = upgt_debug; +#endif + + mtx_init(&sc->sc_mtx, device_get_nameunit(sc->sc_dev), MTX_NETWORK_LOCK, + MTX_DEF); + callout_init(&sc->sc_led_ch, 0); + callout_init(&sc->sc_watchdog_ch, 0); + + /* Allocate TX and RX xfers. */ + error = upgt_alloc_tx(sc); + if (error) + goto fail1; + error = upgt_alloc_rx(sc); + if (error) + goto fail2; + + error = usb2_transfer_setup(uaa->device, &iface_index, sc->sc_xfer, + upgt_config, UPGT_N_XFERS, sc, &sc->sc_mtx); + if (error) { + device_printf(dev, "could not allocate USB transfers, " + "err=%s\n", usb2_errstr(error)); + goto fail3; + } + + ifp = sc->sc_ifp = if_alloc(IFT_IEEE80211); + if (ifp == NULL) { + device_printf(dev, "can not if_alloc()\n"); + goto fail4; + } + + /* Initialize the device. */ + error = upgt_device_reset(sc); + if (error) + goto fail5; + /* Verify the firmware. */ + error = upgt_fw_verify(sc); + if (error) + goto fail5; + /* Calculate device memory space. */ + if (sc->sc_memaddr_frame_start == 0 || sc->sc_memaddr_frame_end == 0) { + device_printf(dev, + "could not find memory space addresses on FW!\n"); + error = EIO; + goto fail5; + } + sc->sc_memaddr_frame_end -= UPGT_MEMSIZE_RX + 1; + sc->sc_memaddr_rx_start = sc->sc_memaddr_frame_end + 1; + + DPRINTF(sc, UPGT_DEBUG_FW, "memory address frame start=0x%08x\n", + sc->sc_memaddr_frame_start); + DPRINTF(sc, UPGT_DEBUG_FW, "memory address frame end=0x%08x\n", + sc->sc_memaddr_frame_end); + DPRINTF(sc, UPGT_DEBUG_FW, "memory address rx start=0x%08x\n", + sc->sc_memaddr_rx_start); + + upgt_mem_init(sc); + + /* Load the firmware. */ + error = upgt_fw_load(sc); + if (error) + goto fail5; + + /* Read the whole EEPROM content and parse it. */ + error = upgt_eeprom_read(sc); + if (error) + goto fail5; + error = upgt_eeprom_parse(sc); + if (error) + goto fail5; + + /* all works related with the device have done here. */ + upgt_abort_xfers(sc); + + /* Setup the 802.11 device. */ + ifp->if_softc = sc; + if_initname(ifp, "upgt", device_get_unit(sc->sc_dev)); + ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST; + ifp->if_init = upgt_init; + ifp->if_ioctl = upgt_ioctl; + ifp->if_start = upgt_start; + IFQ_SET_MAXLEN(&ifp->if_snd, IFQ_MAXLEN); + IFQ_SET_READY(&ifp->if_snd); + + ic = ifp->if_l2com; + ic->ic_ifp = ifp; + ic->ic_phytype = IEEE80211_T_OFDM; /* not only, but not used */ + ic->ic_opmode = IEEE80211_M_STA; + /* set device capabilities */ + ic->ic_caps = + IEEE80211_C_STA /* station mode */ + | IEEE80211_C_MONITOR /* monitor mode */ + | IEEE80211_C_SHPREAMBLE /* short preamble supported */ + | IEEE80211_C_SHSLOT /* short slot time supported */ + | IEEE80211_C_BGSCAN /* capable of bg scanning */ + | IEEE80211_C_WPA /* 802.11i */ + ; + + bands = 0; + setbit(&bands, IEEE80211_MODE_11B); + setbit(&bands, IEEE80211_MODE_11G); + ieee80211_init_channels(ic, NULL, &bands); + + ieee80211_ifattach(ic, sc->sc_myaddr); + ic->ic_raw_xmit = upgt_raw_xmit; + ic->ic_scan_start = upgt_scan_start; + ic->ic_scan_end = upgt_scan_end; + ic->ic_set_channel = upgt_set_channel; + + ic->ic_vap_create = upgt_vap_create; + ic->ic_vap_delete = upgt_vap_delete; + ic->ic_update_mcast = upgt_update_mcast; + + bpfattach(ifp, DLT_IEEE802_11_RADIO, + sizeof(struct ieee80211_frame) + sizeof(sc->sc_txtap)); + sc->sc_rxtap_len = sizeof(sc->sc_rxtap); + sc->sc_rxtap.wr_ihdr.it_len = htole16(sc->sc_rxtap_len); + sc->sc_rxtap.wr_ihdr.it_present = htole32(UPGT_RX_RADIOTAP_PRESENT); + sc->sc_txtap_len = sizeof(sc->sc_txtap); + sc->sc_txtap.wt_ihdr.it_len = htole16(sc->sc_txtap_len); + sc->sc_txtap.wt_ihdr.it_present = htole32(UPGT_TX_RADIOTAP_PRESENT); + + upgt_sysctl_node(sc); + + if (bootverbose) + ieee80211_announce(ic); + + return (0); + +fail5: if_free(ifp); +fail4: usb2_transfer_unsetup(sc->sc_xfer, UPGT_N_XFERS); +fail3: upgt_free_rx(sc); +fail2: upgt_free_tx(sc); +fail1: mtx_destroy(&sc->sc_mtx); + + return (error); +} + +static void +upgt_txeof(struct usb2_xfer *xfer, struct upgt_data *data) +{ + struct upgt_softc *sc = xfer->priv_sc; + struct ifnet *ifp = sc->sc_ifp; + struct mbuf *m; + + UPGT_ASSERT_LOCKED(sc); + + /* + * Do any tx complete callback. Note this must be done before releasing + * the node reference. + */ + if (data->m) { + m = data->m; + if (m->m_flags & M_TXCB) { + /* XXX status? */ + ieee80211_process_callback(data->ni, m, 0); + } + m_freem(m); + data->m = NULL; + } + if (data->ni) { + ieee80211_free_node(data->ni); + data->ni = NULL; + } + ifp->if_opackets++; +} + +static void +upgt_get_stats(struct upgt_softc *sc) +{ + struct upgt_data *data_cmd; + struct upgt_lmac_mem *mem; + struct upgt_lmac_stats *stats; + + data_cmd = upgt_getbuf(sc); + if (data_cmd == NULL) { + device_printf(sc->sc_dev, "%s: out of buffer.\n", __func__); + return; + } + + /* + * Transmit the URB containing the CMD data. + */ + bzero(data_cmd->buf, MCLBYTES); + + mem = (struct upgt_lmac_mem *)data_cmd->buf; + mem->addr = htole32(sc->sc_memaddr_frame_start + + UPGT_MEMSIZE_FRAME_HEAD); + + stats = (struct upgt_lmac_stats *)(mem + 1); + + stats->header1.flags = 0; + stats->header1.type = UPGT_H1_TYPE_CTRL; + stats->header1.len = htole16( + sizeof(struct upgt_lmac_stats) - sizeof(struct upgt_lmac_header)); + + stats->header2.reqid = htole32(sc->sc_memaddr_frame_start); + stats->header2.type = htole16(UPGT_H2_TYPE_STATS); + stats->header2.flags = 0; + + data_cmd->buflen = sizeof(*mem) + sizeof(*stats); + + mem->chksum = upgt_chksum_le((uint32_t *)stats, + data_cmd->buflen - sizeof(*mem)); + + upgt_bulk_tx(sc, data_cmd); +} + +static int +upgt_ioctl(struct ifnet *ifp, u_long cmd, caddr_t data) +{ + struct upgt_softc *sc = ifp->if_softc; + struct ieee80211com *ic = ifp->if_l2com; + struct ifreq *ifr = (struct ifreq *) data; + int error = 0, startall = 0; + + switch (cmd) { + case SIOCSIFFLAGS: + mtx_lock(&Giant); + if (ifp->if_flags & IFF_UP) { + if (ifp->if_drv_flags & IFF_DRV_RUNNING) { + if ((ifp->if_flags ^ sc->sc_if_flags) & + (IFF_ALLMULTI | IFF_PROMISC)) + upgt_set_multi(sc); + } else { + upgt_init(sc); + startall = 1; + } + } else { + if (ifp->if_drv_flags & IFF_DRV_RUNNING) + upgt_stop(sc); + } + sc->sc_if_flags = ifp->if_flags; + if (startall) + ieee80211_start_all(ic); + mtx_unlock(&Giant); + break; + case SIOCGIFMEDIA: + error = ifmedia_ioctl(ifp, ifr, &ic->ic_media, cmd); + break; + case SIOCGIFADDR: + error = ether_ioctl(ifp, cmd, data); + break; + default: + error = EINVAL; + break; + } + return error; +} + +static void +upgt_stop_locked(struct upgt_softc *sc) +{ + struct ifnet *ifp = sc->sc_ifp; + + UPGT_ASSERT_LOCKED(sc); + + if (ifp->if_drv_flags & IFF_DRV_RUNNING) + upgt_set_macfilter(sc, IEEE80211_S_INIT); + upgt_abort_xfers_locked(sc); +} + +static void +upgt_stop(struct upgt_softc *sc) +{ + struct ifnet *ifp = sc->sc_ifp; + + UPGT_LOCK(sc); + upgt_stop_locked(sc); + UPGT_UNLOCK(sc); + + /* device down */ + sc->sc_tx_timer = 0; + ifp->if_drv_flags &= ~(IFF_DRV_RUNNING | IFF_DRV_OACTIVE); + sc->sc_flags &= ~UPGT_FLAG_INITDONE; +} + +static void +upgt_set_led(struct upgt_softc *sc, int action) +{ + struct upgt_data *data_cmd; + struct upgt_lmac_mem *mem; + struct upgt_lmac_led *led; + + data_cmd = upgt_getbuf(sc); + if (data_cmd == NULL) { + device_printf(sc->sc_dev, "%s: out of buffers.\n", __func__); + return; + } + + /* + * Transmit the URB containing the CMD data. + */ + bzero(data_cmd->buf, MCLBYTES); + + mem = (struct upgt_lmac_mem *)data_cmd->buf; + mem->addr = htole32(sc->sc_memaddr_frame_start + + UPGT_MEMSIZE_FRAME_HEAD); + + led = (struct upgt_lmac_led *)(mem + 1); + + led->header1.flags = UPGT_H1_FLAGS_TX_NO_CALLBACK; + led->header1.type = UPGT_H1_TYPE_CTRL; + led->header1.len = htole16( + sizeof(struct upgt_lmac_led) - + sizeof(struct upgt_lmac_header)); + + led->header2.reqid = htole32(sc->sc_memaddr_frame_start); + led->header2.type = htole16(UPGT_H2_TYPE_LED); + led->header2.flags = 0; + + switch (action) { + case UPGT_LED_OFF: + led->mode = htole16(UPGT_LED_MODE_SET); + led->action_fix = 0; + led->action_tmp = htole16(UPGT_LED_ACTION_OFF); + led->action_tmp_dur = 0; + break; + case UPGT_LED_ON: + led->mode = htole16(UPGT_LED_MODE_SET); + led->action_fix = 0; + led->action_tmp = htole16(UPGT_LED_ACTION_ON); + led->action_tmp_dur = 0; + break; + case UPGT_LED_BLINK: + if (sc->sc_state != IEEE80211_S_RUN) { + STAILQ_INSERT_TAIL(&sc->sc_tx_inactive, data_cmd, next); + return; + } + if (sc->sc_led_blink) { + /* previous blink was not finished */ + STAILQ_INSERT_TAIL(&sc->sc_tx_inactive, data_cmd, next); + return; + } + led->mode = htole16(UPGT_LED_MODE_SET); + led->action_fix = htole16(UPGT_LED_ACTION_OFF); + led->action_tmp = htole16(UPGT_LED_ACTION_ON); + led->action_tmp_dur = htole16(UPGT_LED_ACTION_TMP_DUR); + /* lock blink */ + sc->sc_led_blink = 1; + callout_reset(&sc->sc_led_ch, hz, upgt_set_led_blink, sc); + break; + default: + STAILQ_INSERT_TAIL(&sc->sc_tx_inactive, data_cmd, next); + return; + } + + data_cmd->buflen = sizeof(*mem) + sizeof(*led); + + mem->chksum = upgt_chksum_le((uint32_t *)led, + data_cmd->buflen - sizeof(*mem)); + + upgt_bulk_tx(sc, data_cmd); +} + +static void +upgt_set_led_blink(void *arg) +{ + struct upgt_softc *sc = arg; + + /* blink finished, we are ready for a next one */ + sc->sc_led_blink = 0; +} + +static void +upgt_init(void *priv) +{ + struct upgt_softc *sc = priv; + struct ifnet *ifp = sc->sc_ifp; + struct ieee80211com *ic = ifp->if_l2com; + + UPGT_LOCK(sc); + upgt_init_locked(sc); + UPGT_UNLOCK(sc); + + if (ifp->if_drv_flags & IFF_DRV_RUNNING) + ieee80211_start_all(ic); /* start all vap's */ +} + +static void +upgt_init_locked(struct upgt_softc *sc) +{ + struct ifnet *ifp = sc->sc_ifp; + + UPGT_ASSERT_LOCKED(sc); + + if (ifp->if_drv_flags & IFF_DRV_RUNNING) + upgt_stop_locked(sc); + + usb2_transfer_start(sc->sc_xfer[UPGT_BULK_RX]); + + (void)upgt_set_macfilter(sc, IEEE80211_S_SCAN); + + ifp->if_drv_flags &= ~IFF_DRV_OACTIVE; + ifp->if_drv_flags |= IFF_DRV_RUNNING; + sc->sc_flags |= UPGT_FLAG_INITDONE; + + callout_reset(&sc->sc_watchdog_ch, hz, upgt_watchdog, sc); +} + +static int +upgt_set_macfilter(struct upgt_softc *sc, uint8_t state) +{ + struct ifnet *ifp = sc->sc_ifp; + struct ieee80211com *ic = ifp->if_l2com; + struct ieee80211vap *vap = TAILQ_FIRST(&ic->ic_vaps); + struct ieee80211_node *ni = vap->iv_bss; + struct upgt_data *data_cmd; + struct upgt_lmac_mem *mem; + struct upgt_lmac_filter *filter; + uint8_t broadcast[] = { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff }; + + UPGT_ASSERT_LOCKED(sc); + + data_cmd = upgt_getbuf(sc); + if (data_cmd == NULL) { + device_printf(sc->sc_dev, "out of TX buffers.\n"); + return (ENOBUFS); + } + + /* + * Transmit the URB containing the CMD data. + */ + bzero(data_cmd->buf, MCLBYTES); + + mem = (struct upgt_lmac_mem *)data_cmd->buf; + mem->addr = htole32(sc->sc_memaddr_frame_start + + UPGT_MEMSIZE_FRAME_HEAD); + + filter = (struct upgt_lmac_filter *)(mem + 1); + + filter->header1.flags = UPGT_H1_FLAGS_TX_NO_CALLBACK; + filter->header1.type = UPGT_H1_TYPE_CTRL; + filter->header1.len = htole16( + sizeof(struct upgt_lmac_filter) - + sizeof(struct upgt_lmac_header)); + + filter->header2.reqid = htole32(sc->sc_memaddr_frame_start); + filter->header2.type = htole16(UPGT_H2_TYPE_MACFILTER); + filter->header2.flags = 0; + + switch (state) { + case IEEE80211_S_INIT: + DPRINTF(sc, UPGT_DEBUG_STATE, "%s: set MAC filter to INIT\n", + __func__); + filter->type = htole16(UPGT_FILTER_TYPE_RESET); + break; + case IEEE80211_S_SCAN: + DPRINTF(sc, UPGT_DEBUG_STATE, + "set MAC filter to SCAN (bssid %s)\n", + ether_sprintf(broadcast)); + filter->type = htole16(UPGT_FILTER_TYPE_NONE); + IEEE80211_ADDR_COPY(filter->dst, sc->sc_myaddr); + IEEE80211_ADDR_COPY(filter->src, broadcast); + filter->unknown1 = htole16(UPGT_FILTER_UNKNOWN1); + filter->rxaddr = htole32(sc->sc_memaddr_rx_start); + filter->unknown2 = htole16(UPGT_FILTER_UNKNOWN2); + filter->rxhw = htole32(sc->sc_eeprom_hwrx); + filter->unknown3 = htole16(UPGT_FILTER_UNKNOWN3); + break; + case IEEE80211_S_RUN: + /* XXX monitor mode isn't tested yet. */ + if (vap->iv_opmode == IEEE80211_M_MONITOR) { + filter->type = htole16(UPGT_FILTER_TYPE_MONITOR); + IEEE80211_ADDR_COPY(filter->dst, sc->sc_myaddr); + IEEE80211_ADDR_COPY(filter->src, ni->ni_bssid); + filter->unknown1 = htole16(UPGT_FILTER_MONITOR_UNKNOWN1); + filter->rxaddr = htole32(sc->sc_memaddr_rx_start); + filter->unknown2 = htole16(UPGT_FILTER_MONITOR_UNKNOWN2); + filter->rxhw = htole32(sc->sc_eeprom_hwrx); + filter->unknown3 = htole16(UPGT_FILTER_MONITOR_UNKNOWN3); + } else { + DPRINTF(sc, UPGT_DEBUG_STATE, + "set MAC filter to RUN (bssid %s)\n", + ether_sprintf(ni->ni_bssid)); + filter->type = htole16(UPGT_FILTER_TYPE_STA); + IEEE80211_ADDR_COPY(filter->dst, sc->sc_myaddr); + IEEE80211_ADDR_COPY(filter->src, ni->ni_bssid); + filter->unknown1 = htole16(UPGT_FILTER_UNKNOWN1); + filter->rxaddr = htole32(sc->sc_memaddr_rx_start); + filter->unknown2 = htole16(UPGT_FILTER_UNKNOWN2); + filter->rxhw = htole32(sc->sc_eeprom_hwrx); + filter->unknown3 = htole16(UPGT_FILTER_UNKNOWN3); + } + break; + default: + device_printf(sc->sc_dev, + "MAC filter does not know that state!\n"); + break; + } + + data_cmd->buflen = sizeof(*mem) + sizeof(*filter); + + mem->chksum = upgt_chksum_le((uint32_t *)filter, + data_cmd->buflen - sizeof(*mem)); + + upgt_bulk_tx(sc, data_cmd); + + return (0); +} + +static void +upgt_setup_rates(struct ieee80211vap *vap, struct ieee80211com *ic) +{ + struct ifnet *ifp = ic->ic_ifp; + struct upgt_softc *sc = ifp->if_softc; + const struct ieee80211_txparam *tp; + + /* + * 0x01 = OFMD6 0x10 = DS1 + * 0x04 = OFDM9 0x11 = DS2 + * 0x06 = OFDM12 0x12 = DS5 + * 0x07 = OFDM18 0x13 = DS11 + * 0x08 = OFDM24 + * 0x09 = OFDM36 + * 0x0a = OFDM48 + * 0x0b = OFDM54 + */ + const uint8_t rateset_auto_11b[] = + { 0x13, 0x13, 0x12, 0x11, 0x11, 0x10, 0x10, 0x10 }; + const uint8_t rateset_auto_11g[] = + { 0x0b, 0x0a, 0x09, 0x08, 0x07, 0x06, 0x04, 0x01 }; + const uint8_t rateset_fix_11bg[] = + { 0x10, 0x11, 0x12, 0x13, 0x01, 0x04, 0x06, 0x07, + 0x08, 0x09, 0x0a, 0x0b }; + + tp = &vap->iv_txparms[ieee80211_chan2mode(ic->ic_curchan)]; + + /* XXX */ + if (tp->ucastrate == IEEE80211_FIXED_RATE_NONE) { + /* + * Automatic rate control is done by the device. + * We just pass the rateset from which the device + * will pickup a rate. + */ + if (ic->ic_curmode == IEEE80211_MODE_11B) + bcopy(rateset_auto_11b, sc->sc_cur_rateset, + sizeof(sc->sc_cur_rateset)); + if (ic->ic_curmode == IEEE80211_MODE_11G || + ic->ic_curmode == IEEE80211_MODE_AUTO) + bcopy(rateset_auto_11g, sc->sc_cur_rateset, + sizeof(sc->sc_cur_rateset)); + } else { + /* set a fixed rate */ + memset(sc->sc_cur_rateset, rateset_fix_11bg[tp->ucastrate], + sizeof(sc->sc_cur_rateset)); + } +} + +static void +upgt_set_multi(void *arg) +{ + struct upgt_softc *sc = arg; + struct ifnet *ifp = sc->sc_ifp; + + if (!(ifp->if_flags & IFF_UP)) + return; + + /* + * XXX don't know how to set a device. Lack of docs. Just try to set + * IFF_ALLMULTI flag here. + */ + IF_ADDR_LOCK(ifp); + ifp->if_flags |= IFF_ALLMULTI; + IF_ADDR_UNLOCK(ifp); +} + +static void +upgt_start(struct ifnet *ifp) +{ + struct upgt_softc *sc = ifp->if_softc; + struct upgt_data *data_tx; + struct ieee80211_node *ni; + struct mbuf *m; + + if ((ifp->if_drv_flags & IFF_DRV_RUNNING) == 0) + return; + + UPGT_LOCK(sc); + for (;;) { + IFQ_DRV_DEQUEUE(&ifp->if_snd, m); + if (m == NULL) + break; + + data_tx = upgt_gettxbuf(sc); + if (data_tx == NULL) { + IFQ_DRV_PREPEND(&ifp->if_snd, m); + break; + } + + ni = (struct ieee80211_node *)m->m_pkthdr.rcvif; + m->m_pkthdr.rcvif = NULL; + + if (upgt_tx_start(sc, m, ni, data_tx) != 0) { + STAILQ_INSERT_HEAD(&sc->sc_tx_inactive, data_tx, next); + UPGT_STAT_INC(sc, st_tx_inactive); + ieee80211_free_node(ni); + ifp->if_oerrors++; + continue; + } + sc->sc_tx_timer = 5; + } + UPGT_UNLOCK(sc); +} + +static int +upgt_raw_xmit(struct ieee80211_node *ni, struct mbuf *m, + const struct ieee80211_bpf_params *params) +{ + struct ieee80211com *ic = ni->ni_ic; + struct ifnet *ifp = ic->ic_ifp; + struct upgt_softc *sc = ifp->if_softc; + struct upgt_data *data_tx = NULL; + + /* prevent management frames from being sent if we're not ready */ + if (!(ifp->if_drv_flags & IFF_DRV_RUNNING)) { + m_freem(m); + ieee80211_free_node(ni); + return ENETDOWN; + } + + UPGT_LOCK(sc); + data_tx = upgt_gettxbuf(sc); + if (data_tx == NULL) { + ieee80211_free_node(ni); + m_freem(m); + UPGT_UNLOCK(sc); + return (ENOBUFS); + } + + if (upgt_tx_start(sc, m, ni, data_tx) != 0) { + STAILQ_INSERT_HEAD(&sc->sc_tx_inactive, data_tx, next); + UPGT_STAT_INC(sc, st_tx_inactive); + ieee80211_free_node(ni); + ifp->if_oerrors++; + UPGT_UNLOCK(sc); + return (EIO); + } + UPGT_UNLOCK(sc); + + sc->sc_tx_timer = 5; + return (0); +} + +static void +upgt_watchdog(void *arg) +{ + struct upgt_softc *sc = arg; + struct ifnet *ifp = sc->sc_ifp; + + if (sc->sc_tx_timer > 0) { + if (--sc->sc_tx_timer == 0) { + device_printf(sc->sc_dev, "watchdog timeout\n"); + /* upgt_init(ifp); XXX needs a process context ? */ + ifp->if_oerrors++; + return; + } + callout_reset(&sc->sc_watchdog_ch, hz, upgt_watchdog, sc); + } +} + +static uint32_t +upgt_mem_alloc(struct upgt_softc *sc) +{ + int i; + + for (i = 0; i < sc->sc_memory.pages; i++) { + if (sc->sc_memory.page[i].used == 0) { + sc->sc_memory.page[i].used = 1; + return (sc->sc_memory.page[i].addr); + } + } + + return (0); +} + +static void +upgt_scan_start(struct ieee80211com *ic) +{ + /* do nothing. */ +} + +static void +upgt_scan_end(struct ieee80211com *ic) +{ + /* do nothing. */ +} + +static void +upgt_set_channel(struct ieee80211com *ic) +{ + struct upgt_softc *sc = ic->ic_ifp->if_softc; + + UPGT_LOCK(sc); + upgt_set_chan(sc, ic->ic_curchan); + UPGT_UNLOCK(sc); +} + +static void +upgt_set_chan(struct upgt_softc *sc, struct ieee80211_channel *c) +{ + struct ifnet *ifp = sc->sc_ifp; + struct ieee80211com *ic = ifp->if_l2com; + struct upgt_data *data_cmd; + struct upgt_lmac_mem *mem; + struct upgt_lmac_channel *chan; + int channel; + + UPGT_ASSERT_LOCKED(sc); + + channel = ieee80211_chan2ieee(ic, c); + if (channel == 0 || channel == IEEE80211_CHAN_ANY) { + /* XXX should NEVER happen */ + device_printf(sc->sc_dev, + "%s: invalid channel %x\n", __func__, channel); + return; + } + + DPRINTF(sc, UPGT_DEBUG_STATE, "%s: channel %d\n", __func__, channel); + + data_cmd = upgt_getbuf(sc); + if (data_cmd == NULL) { + device_printf(sc->sc_dev, "%s: out of buffers.\n", __func__); + return; + } + /* + * Transmit the URB containing the CMD data. + */ + bzero(data_cmd->buf, MCLBYTES); + + mem = (struct upgt_lmac_mem *)data_cmd->buf; + mem->addr = htole32(sc->sc_memaddr_frame_start + + UPGT_MEMSIZE_FRAME_HEAD); + + chan = (struct upgt_lmac_channel *)(mem + 1); + + chan->header1.flags = UPGT_H1_FLAGS_TX_NO_CALLBACK; + chan->header1.type = UPGT_H1_TYPE_CTRL; + chan->header1.len = htole16( + sizeof(struct upgt_lmac_channel) - sizeof(struct upgt_lmac_header)); + *** DIFF OUTPUT TRUNCATED AT 1000 LINES ***
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?200905110239.n4B2dnSX075285>