941da6d392
in the high speed that some drivers don't call if_start callback after marking ~IFF_DRV_OACTIVE. MFC after: 3 days
2392 lines
61 KiB
C
2392 lines
61 KiB
C
/* $OpenBSD: if_upgt.c,v 1.35 2008/04/16 18:32:15 damien Exp $ */
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/* $FreeBSD$ */
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/*
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* Copyright (c) 2007 Marcus Glocker <mglocker@openbsd.org>
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*
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* Permission to use, copy, modify, and distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/kernel.h>
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#include <sys/endian.h>
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#include <sys/firmware.h>
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#include <sys/linker.h>
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#include <sys/mbuf.h>
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#include <sys/malloc.h>
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#include <sys/module.h>
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#include <sys/socket.h>
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#include <sys/sockio.h>
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#include <sys/sysctl.h>
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#include <net/if.h>
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#include <net/if_arp.h>
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#include <net/ethernet.h>
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#include <net/if_dl.h>
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#include <net/if_media.h>
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#include <net/if_types.h>
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#include <sys/bus.h>
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#include <machine/bus.h>
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#include <net80211/ieee80211_var.h>
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#include <net80211/ieee80211_phy.h>
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#include <net80211/ieee80211_radiotap.h>
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#include <net80211/ieee80211_regdomain.h>
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#include <net/bpf.h>
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#include <dev/usb/usb.h>
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#include <dev/usb/usbdi.h>
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#include "usbdevs.h"
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#include <dev/usb/wlan/if_upgtvar.h>
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/*
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* Driver for the USB PrismGT devices.
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*
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* For now just USB 2.0 devices with the GW3887 chipset are supported.
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* The driver has been written based on the firmware version 2.13.1.0_LM87.
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*
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* TODO's:
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* - MONITOR mode test.
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* - Add HOSTAP mode.
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* - Add IBSS mode.
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* - Support the USB 1.0 devices (NET2280, ISL3880, ISL3886 chipsets).
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*
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* Parts of this driver has been influenced by reading the p54u driver
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* written by Jean-Baptiste Note <jean-baptiste.note@m4x.org> and
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* Sebastien Bourdeauducq <lekernel@prism54.org>.
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*/
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SYSCTL_NODE(_hw, OID_AUTO, upgt, CTLFLAG_RD, 0,
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"USB PrismGT GW3887 driver parameters");
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#ifdef UPGT_DEBUG
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int upgt_debug = 0;
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SYSCTL_INT(_hw_upgt, OID_AUTO, debug, CTLFLAG_RW, &upgt_debug,
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0, "control debugging printfs");
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TUNABLE_INT("hw.upgt.debug", &upgt_debug);
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enum {
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UPGT_DEBUG_XMIT = 0x00000001, /* basic xmit operation */
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UPGT_DEBUG_RECV = 0x00000002, /* basic recv operation */
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UPGT_DEBUG_RESET = 0x00000004, /* reset processing */
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UPGT_DEBUG_INTR = 0x00000008, /* INTR */
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UPGT_DEBUG_TX_PROC = 0x00000010, /* tx ISR proc */
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UPGT_DEBUG_RX_PROC = 0x00000020, /* rx ISR proc */
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UPGT_DEBUG_STATE = 0x00000040, /* 802.11 state transitions */
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UPGT_DEBUG_STAT = 0x00000080, /* statistic */
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UPGT_DEBUG_FW = 0x00000100, /* firmware */
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UPGT_DEBUG_ANY = 0xffffffff
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};
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#define DPRINTF(sc, m, fmt, ...) do { \
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if (sc->sc_debug & (m)) \
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printf(fmt, __VA_ARGS__); \
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} while (0)
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#else
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#define DPRINTF(sc, m, fmt, ...) do { \
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(void) sc; \
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} while (0)
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#endif
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/*
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* Prototypes.
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*/
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static device_probe_t upgt_match;
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static device_attach_t upgt_attach;
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static device_detach_t upgt_detach;
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static int upgt_alloc_tx(struct upgt_softc *);
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static int upgt_alloc_rx(struct upgt_softc *);
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static int upgt_device_reset(struct upgt_softc *);
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static void upgt_bulk_tx(struct upgt_softc *, struct upgt_data *);
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static int upgt_fw_verify(struct upgt_softc *);
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static int upgt_mem_init(struct upgt_softc *);
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static int upgt_fw_load(struct upgt_softc *);
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static int upgt_fw_copy(const uint8_t *, char *, int);
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static uint32_t upgt_crc32_le(const void *, size_t);
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static struct mbuf *
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upgt_rxeof(struct usb_xfer *, struct upgt_data *, int *);
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static struct mbuf *
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upgt_rx(struct upgt_softc *, uint8_t *, int, int *);
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static void upgt_txeof(struct usb_xfer *, struct upgt_data *);
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static int upgt_eeprom_read(struct upgt_softc *);
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static int upgt_eeprom_parse(struct upgt_softc *);
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static void upgt_eeprom_parse_hwrx(struct upgt_softc *, uint8_t *);
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static void upgt_eeprom_parse_freq3(struct upgt_softc *, uint8_t *, int);
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static void upgt_eeprom_parse_freq4(struct upgt_softc *, uint8_t *, int);
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static void upgt_eeprom_parse_freq6(struct upgt_softc *, uint8_t *, int);
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static uint32_t upgt_chksum_le(const uint32_t *, size_t);
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static void upgt_tx_done(struct upgt_softc *, uint8_t *);
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static void upgt_init(void *);
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static void upgt_init_locked(struct upgt_softc *);
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static int upgt_ioctl(struct ifnet *, u_long, caddr_t);
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static void upgt_start(struct ifnet *);
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static int upgt_raw_xmit(struct ieee80211_node *, struct mbuf *,
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const struct ieee80211_bpf_params *);
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static void upgt_scan_start(struct ieee80211com *);
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static void upgt_scan_end(struct ieee80211com *);
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static void upgt_set_channel(struct ieee80211com *);
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static struct ieee80211vap *upgt_vap_create(struct ieee80211com *,
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const char name[IFNAMSIZ], int unit, int opmode,
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int flags, const uint8_t bssid[IEEE80211_ADDR_LEN],
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const uint8_t mac[IEEE80211_ADDR_LEN]);
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static void upgt_vap_delete(struct ieee80211vap *);
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static void upgt_update_mcast(struct ifnet *);
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static uint8_t upgt_rx_rate(struct upgt_softc *, const int);
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static void upgt_set_multi(void *);
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static void upgt_stop(struct upgt_softc *);
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static void upgt_setup_rates(struct ieee80211vap *, struct ieee80211com *);
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static int upgt_set_macfilter(struct upgt_softc *, uint8_t);
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static int upgt_newstate(struct ieee80211vap *, enum ieee80211_state, int);
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static void upgt_set_chan(struct upgt_softc *, struct ieee80211_channel *);
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static void upgt_set_led(struct upgt_softc *, int);
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static void upgt_set_led_blink(void *);
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static void upgt_get_stats(struct upgt_softc *);
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static void upgt_mem_free(struct upgt_softc *, uint32_t);
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static uint32_t upgt_mem_alloc(struct upgt_softc *);
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static void upgt_free_tx(struct upgt_softc *);
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static void upgt_free_rx(struct upgt_softc *);
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static void upgt_watchdog(void *);
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static void upgt_abort_xfers(struct upgt_softc *);
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static void upgt_abort_xfers_locked(struct upgt_softc *);
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static void upgt_sysctl_node(struct upgt_softc *);
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static struct upgt_data *
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upgt_getbuf(struct upgt_softc *);
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static struct upgt_data *
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upgt_gettxbuf(struct upgt_softc *);
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static int upgt_tx_start(struct upgt_softc *, struct mbuf *,
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struct ieee80211_node *, struct upgt_data *);
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static const char *upgt_fwname = "upgt-gw3887";
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static const struct usb_device_id upgt_devs_2[] = {
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#define UPGT_DEV(v,p) { USB_VP(USB_VENDOR_##v, USB_PRODUCT_##v##_##p) }
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/* version 2 devices */
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UPGT_DEV(ACCTON, PRISM_GT),
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UPGT_DEV(BELKIN, F5D7050),
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UPGT_DEV(CISCOLINKSYS, WUSB54AG),
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UPGT_DEV(CONCEPTRONIC, PRISM_GT),
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UPGT_DEV(DELL, PRISM_GT_1),
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UPGT_DEV(DELL, PRISM_GT_2),
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UPGT_DEV(FSC, E5400),
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UPGT_DEV(GLOBESPAN, PRISM_GT_1),
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UPGT_DEV(GLOBESPAN, PRISM_GT_2),
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UPGT_DEV(INTERSIL, PRISM_GT),
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UPGT_DEV(SMC, 2862WG),
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UPGT_DEV(WISTRONNEWEB, UR045G),
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UPGT_DEV(XYRATEX, PRISM_GT_1),
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UPGT_DEV(XYRATEX, PRISM_GT_2),
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UPGT_DEV(ZCOM, XG703A),
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UPGT_DEV(ZCOM, XM142)
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};
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static usb_callback_t upgt_bulk_rx_callback;
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static usb_callback_t upgt_bulk_tx_callback;
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static const struct usb_config upgt_config[UPGT_N_XFERS] = {
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[UPGT_BULK_TX] = {
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.type = UE_BULK,
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.endpoint = UE_ADDR_ANY,
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.direction = UE_DIR_OUT,
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.bufsize = MCLBYTES,
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.flags = {
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.ext_buffer = 1,
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.force_short_xfer = 1,
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.pipe_bof = 1
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},
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.callback = upgt_bulk_tx_callback,
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.timeout = UPGT_USB_TIMEOUT, /* ms */
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},
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[UPGT_BULK_RX] = {
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.type = UE_BULK,
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.endpoint = UE_ADDR_ANY,
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.direction = UE_DIR_IN,
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.bufsize = MCLBYTES,
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.flags = {
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.ext_buffer = 1,
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.pipe_bof = 1,
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.short_xfer_ok = 1
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},
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.callback = upgt_bulk_rx_callback,
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},
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};
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static int
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upgt_match(device_t dev)
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{
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struct usb_attach_arg *uaa = device_get_ivars(dev);
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if (uaa->usb_mode != USB_MODE_HOST)
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return (ENXIO);
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if (uaa->info.bConfigIndex != UPGT_CONFIG_INDEX)
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return (ENXIO);
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if (uaa->info.bIfaceIndex != UPGT_IFACE_INDEX)
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return (ENXIO);
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return (usbd_lookup_id_by_uaa(upgt_devs_2, sizeof(upgt_devs_2), uaa));
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}
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static int
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upgt_attach(device_t dev)
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{
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int error;
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struct ieee80211com *ic;
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struct ifnet *ifp;
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struct upgt_softc *sc = device_get_softc(dev);
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struct usb_attach_arg *uaa = device_get_ivars(dev);
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uint8_t bands, iface_index = UPGT_IFACE_INDEX;
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sc->sc_dev = dev;
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sc->sc_udev = uaa->device;
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#ifdef UPGT_DEBUG
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sc->sc_debug = upgt_debug;
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#endif
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device_set_usb_desc(dev);
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mtx_init(&sc->sc_mtx, device_get_nameunit(sc->sc_dev), MTX_NETWORK_LOCK,
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MTX_DEF);
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callout_init(&sc->sc_led_ch, 0);
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callout_init(&sc->sc_watchdog_ch, 0);
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|
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/* Allocate TX and RX xfers. */
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error = upgt_alloc_tx(sc);
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if (error)
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goto fail1;
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error = upgt_alloc_rx(sc);
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if (error)
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goto fail2;
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error = usbd_transfer_setup(uaa->device, &iface_index, sc->sc_xfer,
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upgt_config, UPGT_N_XFERS, sc, &sc->sc_mtx);
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if (error) {
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device_printf(dev, "could not allocate USB transfers, "
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"err=%s\n", usbd_errstr(error));
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goto fail3;
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}
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ifp = sc->sc_ifp = if_alloc(IFT_IEEE80211);
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if (ifp == NULL) {
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device_printf(dev, "can not if_alloc()\n");
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goto fail4;
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}
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/* Initialize the device. */
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error = upgt_device_reset(sc);
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if (error)
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goto fail5;
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/* Verify the firmware. */
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error = upgt_fw_verify(sc);
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if (error)
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goto fail5;
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/* Calculate device memory space. */
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if (sc->sc_memaddr_frame_start == 0 || sc->sc_memaddr_frame_end == 0) {
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device_printf(dev,
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"could not find memory space addresses on FW!\n");
|
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error = EIO;
|
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goto fail5;
|
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}
|
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sc->sc_memaddr_frame_end -= UPGT_MEMSIZE_RX + 1;
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sc->sc_memaddr_rx_start = sc->sc_memaddr_frame_end + 1;
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DPRINTF(sc, UPGT_DEBUG_FW, "memory address frame start=0x%08x\n",
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sc->sc_memaddr_frame_start);
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DPRINTF(sc, UPGT_DEBUG_FW, "memory address frame end=0x%08x\n",
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sc->sc_memaddr_frame_end);
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DPRINTF(sc, UPGT_DEBUG_FW, "memory address rx start=0x%08x\n",
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sc->sc_memaddr_rx_start);
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|
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upgt_mem_init(sc);
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|
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/* Load the firmware. */
|
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error = upgt_fw_load(sc);
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if (error)
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goto fail5;
|
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|
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/* Read the whole EEPROM content and parse it. */
|
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error = upgt_eeprom_read(sc);
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if (error)
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goto fail5;
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error = upgt_eeprom_parse(sc);
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if (error)
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goto fail5;
|
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|
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/* all works related with the device have done here. */
|
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upgt_abort_xfers(sc);
|
|
|
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/* Setup the 802.11 device. */
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ifp->if_softc = sc;
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if_initname(ifp, "upgt", device_get_unit(sc->sc_dev));
|
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ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST;
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ifp->if_init = upgt_init;
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ifp->if_ioctl = upgt_ioctl;
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ifp->if_start = upgt_start;
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IFQ_SET_MAXLEN(&ifp->if_snd, IFQ_MAXLEN);
|
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IFQ_SET_READY(&ifp->if_snd);
|
|
|
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ic = ifp->if_l2com;
|
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ic->ic_ifp = ifp;
|
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ic->ic_phytype = IEEE80211_T_OFDM; /* not only, but not used */
|
|
ic->ic_opmode = IEEE80211_M_STA;
|
|
/* set device capabilities */
|
|
ic->ic_caps =
|
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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;
|
|
|
|
ieee80211_radiotap_attach(ic,
|
|
&sc->sc_txtap.wt_ihdr, sizeof(sc->sc_txtap),
|
|
UPGT_TX_RADIOTAP_PRESENT,
|
|
&sc->sc_rxtap.wr_ihdr, sizeof(sc->sc_rxtap),
|
|
UPGT_RX_RADIOTAP_PRESENT);
|
|
|
|
upgt_sysctl_node(sc);
|
|
|
|
if (bootverbose)
|
|
ieee80211_announce(ic);
|
|
|
|
return (0);
|
|
|
|
fail5: if_free(ifp);
|
|
fail4: usbd_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 usb_xfer *xfer, struct upgt_data *data)
|
|
{
|
|
struct upgt_softc *sc = usbd_xfer_softc(xfer);
|
|
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:
|
|
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);
|
|
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);
|
|
|
|
usbd_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.
|
|
*/
|
|
ifp->if_flags |= IFF_ALLMULTI;
|
|
}
|
|
|
|
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));
|
|
|
|
chan->header2.reqid = htole32(sc->sc_memaddr_frame_start);
|
|
chan->header2.type = htole16(UPGT_H2_TYPE_CHANNEL);
|
|
chan->header2.flags = 0;
|
|
|
|
chan->unknown1 = htole16(UPGT_CHANNEL_UNKNOWN1);
|
|
chan->unknown2 = htole16(UPGT_CHANNEL_UNKNOWN2);
|
|
chan->freq6 = sc->sc_eeprom_freq6[channel];
|
|
chan->settings = sc->sc_eeprom_freq6_settings;
|
|
chan->unknown3 = UPGT_CHANNEL_UNKNOWN3;
|
|
|
|
bcopy(&sc->sc_eeprom_freq3[channel].data, chan->freq3_1,
|
|
sizeof(chan->freq3_1));
|
|
bcopy(&sc->sc_eeprom_freq4[channel], chan->freq4,
|
|
sizeof(sc->sc_eeprom_freq4[channel]));
|
|
bcopy(&sc->sc_eeprom_freq3[channel].data, chan->freq3_2,
|
|
sizeof(chan->freq3_2));
|
|
|
|
data_cmd->buflen = sizeof(*mem) + sizeof(*chan);
|
|
|
|
mem->chksum = upgt_chksum_le((uint32_t *)chan,
|
|
data_cmd->buflen - sizeof(*mem));
|
|
|
|
upgt_bulk_tx(sc, data_cmd);
|
|
}
|
|
|
|
static struct ieee80211vap *
|
|
upgt_vap_create(struct ieee80211com *ic,
|
|
const char name[IFNAMSIZ], int unit, int opmode, int flags,
|
|
const uint8_t bssid[IEEE80211_ADDR_LEN],
|
|
const uint8_t mac[IEEE80211_ADDR_LEN])
|
|
{
|
|
struct upgt_vap *uvp;
|
|
struct ieee80211vap *vap;
|
|
|
|
if (!TAILQ_EMPTY(&ic->ic_vaps)) /* only one at a time */
|
|
return NULL;
|
|
uvp = (struct upgt_vap *) malloc(sizeof(struct upgt_vap),
|
|
M_80211_VAP, M_NOWAIT | M_ZERO);
|
|
if (uvp == NULL)
|
|
return NULL;
|
|
vap = &uvp->vap;
|
|
/* enable s/w bmiss handling for sta mode */
|
|
ieee80211_vap_setup(ic, vap, name, unit, opmode,
|
|
flags | IEEE80211_CLONE_NOBEACONS, bssid, mac);
|
|
|
|
/* override state transition machine */
|
|
uvp->newstate = vap->iv_newstate;
|
|
vap->iv_newstate = upgt_newstate;
|
|
|
|
/* setup device rates */
|
|
upgt_setup_rates(vap, ic);
|
|
|
|
/* complete setup */
|
|
ieee80211_vap_attach(vap, ieee80211_media_change,
|
|
ieee80211_media_status);
|
|
ic->ic_opmode = opmode;
|
|
return vap;
|
|
}
|
|
|
|
static int
|
|
upgt_newstate(struct ieee80211vap *vap, enum ieee80211_state nstate, int arg)
|
|
{
|
|
struct upgt_vap *uvp = UPGT_VAP(vap);
|
|
struct ieee80211com *ic = vap->iv_ic;
|
|
struct upgt_softc *sc = ic->ic_ifp->if_softc;
|
|
|
|
/* do it in a process context */
|
|
sc->sc_state = nstate;
|
|
|
|
IEEE80211_UNLOCK(ic);
|
|
UPGT_LOCK(sc);
|
|
callout_stop(&sc->sc_led_ch);
|
|
callout_stop(&sc->sc_watchdog_ch);
|
|
|
|
switch (nstate) {
|
|
case IEEE80211_S_INIT:
|
|
/* do not accept any frames if the device is down */
|
|
(void)upgt_set_macfilter(sc, sc->sc_state);
|
|
upgt_set_led(sc, UPGT_LED_OFF);
|
|
break;
|
|
case IEEE80211_S_SCAN:
|
|
upgt_set_chan(sc, ic->ic_curchan);
|
|
break;
|
|
case IEEE80211_S_AUTH:
|
|
upgt_set_chan(sc, ic->ic_curchan);
|
|
break;
|
|
case IEEE80211_S_ASSOC:
|
|
break;
|
|
case IEEE80211_S_RUN:
|
|
upgt_set_macfilter(sc, sc->sc_state);
|
|
upgt_set_led(sc, UPGT_LED_ON);
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
UPGT_UNLOCK(sc);
|
|
IEEE80211_LOCK(ic);
|
|
return (uvp->newstate(vap, nstate, arg));
|
|
}
|
|
|
|
static void
|
|
upgt_vap_delete(struct ieee80211vap *vap)
|
|
{
|
|
struct upgt_vap *uvp = UPGT_VAP(vap);
|
|
|
|
ieee80211_vap_detach(vap);
|
|
free(uvp, M_80211_VAP);
|
|
}
|
|
|
|
static void
|
|
upgt_update_mcast(struct ifnet *ifp)
|
|
{
|
|
struct upgt_softc *sc = ifp->if_softc;
|
|
|
|
upgt_set_multi(sc);
|
|
}
|
|
|
|
static int
|
|
upgt_eeprom_parse(struct upgt_softc *sc)
|
|
{
|
|
struct upgt_eeprom_header *eeprom_header;
|
|
struct upgt_eeprom_option *eeprom_option;
|
|
uint16_t option_len;
|
|
uint16_t option_type;
|
|
uint16_t preamble_len;
|
|
int option_end = 0;
|
|
|
|
/* calculate eeprom options start offset */
|
|
eeprom_header = (struct upgt_eeprom_header *)sc->sc_eeprom;
|
|
preamble_len = le16toh(eeprom_header->preamble_len);
|
|
eeprom_option = (struct upgt_eeprom_option *)(sc->sc_eeprom +
|
|
(sizeof(struct upgt_eeprom_header) + preamble_len));
|
|
|
|
while (!option_end) {
|
|
/* the eeprom option length is stored in words */
|
|
option_len =
|
|
(le16toh(eeprom_option->len) - 1) * sizeof(uint16_t);
|
|
option_type =
|
|
le16toh(eeprom_option->type);
|
|
|
|
switch (option_type) {
|
|
case UPGT_EEPROM_TYPE_NAME:
|
|
DPRINTF(sc, UPGT_DEBUG_FW,
|
|
"EEPROM name len=%d\n", option_len);
|
|
break;
|
|
case UPGT_EEPROM_TYPE_SERIAL:
|
|
DPRINTF(sc, UPGT_DEBUG_FW,
|
|
"EEPROM serial len=%d\n", option_len);
|
|
break;
|
|
case UPGT_EEPROM_TYPE_MAC:
|
|
DPRINTF(sc, UPGT_DEBUG_FW,
|
|
"EEPROM mac len=%d\n", option_len);
|
|
|
|
IEEE80211_ADDR_COPY(sc->sc_myaddr, eeprom_option->data);
|
|
break;
|
|
case UPGT_EEPROM_TYPE_HWRX:
|
|
DPRINTF(sc, UPGT_DEBUG_FW,
|
|
"EEPROM hwrx len=%d\n", option_len);
|
|
|
|
upgt_eeprom_parse_hwrx(sc, eeprom_option->data);
|
|
break;
|
|
case UPGT_EEPROM_TYPE_CHIP:
|
|
DPRINTF(sc, UPGT_DEBUG_FW,
|
|
"EEPROM chip len=%d\n", option_len);
|
|
break;
|
|
case UPGT_EEPROM_TYPE_FREQ3:
|
|
DPRINTF(sc, UPGT_DEBUG_FW,
|
|
"EEPROM freq3 len=%d\n", option_len);
|
|
|
|
upgt_eeprom_parse_freq3(sc, eeprom_option->data,
|
|
option_len);
|
|
break;
|
|
case UPGT_EEPROM_TYPE_FREQ4:
|
|
DPRINTF(sc, UPGT_DEBUG_FW,
|
|
"EEPROM freq4 len=%d\n", option_len);
|
|
|
|
upgt_eeprom_parse_freq4(sc, eeprom_option->data,
|
|
option_len);
|
|
break;
|
|
case UPGT_EEPROM_TYPE_FREQ5:
|
|
DPRINTF(sc, UPGT_DEBUG_FW,
|
|
"EEPROM freq5 len=%d\n", option_len);
|
|
break;
|
|
case UPGT_EEPROM_TYPE_FREQ6:
|
|
DPRINTF(sc, UPGT_DEBUG_FW,
|
|
"EEPROM freq6 len=%d\n", option_len);
|
|
|
|
upgt_eeprom_parse_freq6(sc, eeprom_option->data,
|
|
option_len);
|
|
break;
|
|
case UPGT_EEPROM_TYPE_END:
|
|
DPRINTF(sc, UPGT_DEBUG_FW,
|
|
"EEPROM end len=%d\n", option_len);
|
|
option_end = 1;
|
|
break;
|
|
case UPGT_EEPROM_TYPE_OFF:
|
|
DPRINTF(sc, UPGT_DEBUG_FW,
|
|
"%s: EEPROM off without end option!\n", __func__);
|
|
return (EIO);
|
|
default:
|
|
DPRINTF(sc, UPGT_DEBUG_FW,
|
|
"EEPROM unknown type 0x%04x len=%d\n",
|
|
option_type, option_len);
|
|
break;
|
|
}
|
|
|
|
/* jump to next EEPROM option */
|
|
eeprom_option = (struct upgt_eeprom_option *)
|
|
(eeprom_option->data + option_len);
|
|
}
|
|
|
|
return (0);
|
|
}
|
|
|
|
static void
|
|
upgt_eeprom_parse_freq3(struct upgt_softc *sc, uint8_t *data, int len)
|
|
{
|
|
struct upgt_eeprom_freq3_header *freq3_header;
|
|
struct upgt_lmac_freq3 *freq3;
|
|
int i, elements, flags;
|
|
unsigned channel;
|
|
|
|
freq3_header = (struct upgt_eeprom_freq3_header *)data;
|
|
freq3 = (struct upgt_lmac_freq3 *)(freq3_header + 1);
|
|
|
|
flags = freq3_header->flags;
|
|
elements = freq3_header->elements;
|
|
|
|
DPRINTF(sc, UPGT_DEBUG_FW, "flags=0x%02x elements=%d\n",
|
|
flags, elements);
|
|
|
|
for (i = 0; i < elements; i++) {
|
|
channel = ieee80211_mhz2ieee(le16toh(freq3[i].freq), 0);
|
|
if (!(channel >= 0 && channel < IEEE80211_CHAN_MAX))
|
|
continue;
|
|
|
|
sc->sc_eeprom_freq3[channel] = freq3[i];
|
|
|
|
DPRINTF(sc, UPGT_DEBUG_FW, "frequence=%d, channel=%d\n",
|
|
le16toh(sc->sc_eeprom_freq3[channel].freq), channel);
|
|
}
|
|
}
|
|
|
|
void
|
|
upgt_eeprom_parse_freq4(struct upgt_softc *sc, uint8_t *data, int len)
|
|
{
|
|
struct upgt_eeprom_freq4_header *freq4_header;
|
|
struct upgt_eeprom_freq4_1 *freq4_1;
|
|
struct upgt_eeprom_freq4_2 *freq4_2;
|
|
int i, j, elements, settings, flags;
|
|
unsigned channel;
|
|
|
|
freq4_header = (struct upgt_eeprom_freq4_header *)data;
|
|
freq4_1 = (struct upgt_eeprom_freq4_1 *)(freq4_header + 1);
|
|
flags = freq4_header->flags;
|
|
elements = freq4_header->elements;
|
|
settings = freq4_header->settings;
|
|
|
|
/* we need this value later */
|
|
sc->sc_eeprom_freq6_settings = freq4_header->settings;
|
|
|
|
DPRINTF(sc, UPGT_DEBUG_FW, "flags=0x%02x elements=%d settings=%d\n",
|
|
flags, elements, settings);
|
|
|
|
for (i = 0; i < elements; i++) {
|
|
channel = ieee80211_mhz2ieee(le16toh(freq4_1[i].freq), 0);
|
|
if (!(channel >= 0 && channel < IEEE80211_CHAN_MAX))
|
|
continue;
|
|
|
|
freq4_2 = (struct upgt_eeprom_freq4_2 *)freq4_1[i].data;
|
|
for (j = 0; j < settings; j++) {
|
|
sc->sc_eeprom_freq4[channel][j].cmd = freq4_2[j];
|
|
sc->sc_eeprom_freq4[channel][j].pad = 0;
|
|
}
|
|
|
|
DPRINTF(sc, UPGT_DEBUG_FW, "frequence=%d, channel=%d\n",
|
|
le16toh(freq4_1[i].freq), channel);
|
|
}
|
|
}
|
|
|
|
void
|
|
upgt_eeprom_parse_freq6(struct upgt_softc *sc, uint8_t *data, int len)
|
|
{
|
|
struct upgt_lmac_freq6 *freq6;
|
|
int i, elements;
|
|
unsigned channel;
|
|
|
|
freq6 = (struct upgt_lmac_freq6 *)data;
|
|
elements = len / sizeof(struct upgt_lmac_freq6);
|
|
|
|
DPRINTF(sc, UPGT_DEBUG_FW, "elements=%d\n", elements);
|
|
|
|
for (i = 0; i < elements; i++) {
|
|
channel = ieee80211_mhz2ieee(le16toh(freq6[i].freq), 0);
|
|
if (!(channel >= 0 && channel < IEEE80211_CHAN_MAX))
|
|
continue;
|
|
|
|
sc->sc_eeprom_freq6[channel] = freq6[i];
|
|
|
|
DPRINTF(sc, UPGT_DEBUG_FW, "frequence=%d, channel=%d\n",
|
|
le16toh(sc->sc_eeprom_freq6[channel].freq), channel);
|
|
}
|
|
}
|
|
|
|
static void
|
|
upgt_eeprom_parse_hwrx(struct upgt_softc *sc, uint8_t *data)
|
|
{
|
|
struct upgt_eeprom_option_hwrx *option_hwrx;
|
|
|
|
option_hwrx = (struct upgt_eeprom_option_hwrx *)data;
|
|
|
|
sc->sc_eeprom_hwrx = option_hwrx->rxfilter - UPGT_EEPROM_RX_CONST;
|
|
|
|
DPRINTF(sc, UPGT_DEBUG_FW, "hwrx option value=0x%04x\n",
|
|
sc->sc_eeprom_hwrx);
|
|
}
|
|
|
|
static int
|
|
upgt_eeprom_read(struct upgt_softc *sc)
|
|
{
|
|
struct upgt_data *data_cmd;
|
|
struct upgt_lmac_mem *mem;
|
|
struct upgt_lmac_eeprom *eeprom;
|
|
int block, error, offset;
|
|
|
|
UPGT_LOCK(sc);
|
|
usb_pause_mtx(&sc->sc_mtx, 100);
|
|
|
|
offset = 0;
|
|
block = UPGT_EEPROM_BLOCK_SIZE;
|
|
while (offset < UPGT_EEPROM_SIZE) {
|
|
DPRINTF(sc, UPGT_DEBUG_FW,
|
|
"request EEPROM block (offset=%d, len=%d)\n", offset, block);
|
|
|
|
data_cmd = upgt_getbuf(sc);
|
|
if (data_cmd == NULL) {
|
|
UPGT_UNLOCK(sc);
|
|
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);
|
|
|
|
eeprom = (struct upgt_lmac_eeprom *)(mem + 1);
|
|
eeprom->header1.flags = 0;
|
|
eeprom->header1.type = UPGT_H1_TYPE_CTRL;
|
|
eeprom->header1.len = htole16((
|
|
sizeof(struct upgt_lmac_eeprom) -
|
|
sizeof(struct upgt_lmac_header)) + block);
|
|
|
|
eeprom->header2.reqid = htole32(sc->sc_memaddr_frame_start);
|
|
eeprom->header2.type = htole16(UPGT_H2_TYPE_EEPROM);
|
|
eeprom->header2.flags = 0;
|
|
|
|
eeprom->offset = htole16(offset);
|
|
eeprom->len = htole16(block);
|
|
|
|
data_cmd->buflen = sizeof(*mem) + sizeof(*eeprom) + block;
|
|
|
|
mem->chksum = upgt_chksum_le((uint32_t *)eeprom,
|
|
data_cmd->buflen - sizeof(*mem));
|
|
upgt_bulk_tx(sc, data_cmd);
|
|
|
|
error = mtx_sleep(sc, &sc->sc_mtx, 0, "eeprom_request", hz);
|
|
if (error != 0) {
|
|
device_printf(sc->sc_dev,
|
|
"timeout while waiting for EEPROM data!\n");
|
|
UPGT_UNLOCK(sc);
|
|
return (EIO);
|
|
}
|
|
|
|
offset += block;
|
|
if (UPGT_EEPROM_SIZE - offset < block)
|
|
block = UPGT_EEPROM_SIZE - offset;
|
|
}
|
|
|
|
UPGT_UNLOCK(sc);
|
|
return (0);
|
|
}
|
|
|
|
/*
|
|
* When a rx data came in the function returns a mbuf and a rssi values.
|
|
*/
|
|
static struct mbuf *
|
|
upgt_rxeof(struct usb_xfer *xfer, struct upgt_data *data, int *rssi)
|
|
{
|
|
struct mbuf *m = NULL;
|
|
struct upgt_softc *sc = usbd_xfer_softc(xfer);
|
|
struct upgt_lmac_header *header;
|
|
struct upgt_lmac_eeprom *eeprom;
|
|
uint8_t h1_type;
|
|
uint16_t h2_type;
|
|
int actlen, sumlen;
|
|
|
|
usbd_xfer_status(xfer, &actlen, &sumlen, NULL, NULL);
|
|
|
|
UPGT_ASSERT_LOCKED(sc);
|
|
|
|
if (actlen < 1)
|
|
return (NULL);
|
|
|
|
/* Check only at the very beginning. */
|
|
if (!(sc->sc_flags & UPGT_FLAG_FWLOADED) &&
|
|
(memcmp(data->buf, "OK", 2) == 0)) {
|
|
sc->sc_flags |= UPGT_FLAG_FWLOADED;
|
|
wakeup_one(sc);
|
|
return (NULL);
|
|
}
|
|
|
|
if (actlen < UPGT_RX_MINSZ)
|
|
return (NULL);
|
|
|
|
/*
|
|
* Check what type of frame came in.
|
|
*/
|
|
header = (struct upgt_lmac_header *)(data->buf + 4);
|
|
|
|
h1_type = header->header1.type;
|
|
h2_type = le16toh(header->header2.type);
|
|
|
|
if (h1_type == UPGT_H1_TYPE_CTRL && h2_type == UPGT_H2_TYPE_EEPROM) {
|
|
eeprom = (struct upgt_lmac_eeprom *)(data->buf + 4);
|
|
uint16_t eeprom_offset = le16toh(eeprom->offset);
|
|
uint16_t eeprom_len = le16toh(eeprom->len);
|
|
|
|
DPRINTF(sc, UPGT_DEBUG_FW,
|
|
"received EEPROM block (offset=%d, len=%d)\n",
|
|
eeprom_offset, eeprom_len);
|
|
|
|
bcopy(data->buf + sizeof(struct upgt_lmac_eeprom) + 4,
|
|
sc->sc_eeprom + eeprom_offset, eeprom_len);
|
|
|
|
/* EEPROM data has arrived in time, wakeup. */
|
|
wakeup(sc);
|
|
} else if (h1_type == UPGT_H1_TYPE_CTRL &&
|
|
h2_type == UPGT_H2_TYPE_TX_DONE) {
|
|
DPRINTF(sc, UPGT_DEBUG_XMIT, "%s: received 802.11 TX done\n",
|
|
__func__);
|
|
upgt_tx_done(sc, data->buf + 4);
|
|
} else if (h1_type == UPGT_H1_TYPE_RX_DATA ||
|
|
h1_type == UPGT_H1_TYPE_RX_DATA_MGMT) {
|
|
DPRINTF(sc, UPGT_DEBUG_RECV, "%s: received 802.11 RX data\n",
|
|
__func__);
|
|
m = upgt_rx(sc, data->buf + 4, le16toh(header->header1.len),
|
|
rssi);
|
|
} else if (h1_type == UPGT_H1_TYPE_CTRL &&
|
|
h2_type == UPGT_H2_TYPE_STATS) {
|
|
DPRINTF(sc, UPGT_DEBUG_STAT, "%s: received statistic data\n",
|
|
__func__);
|
|
/* TODO: what could we do with the statistic data? */
|
|
} else {
|
|
/* ignore unknown frame types */
|
|
DPRINTF(sc, UPGT_DEBUG_INTR,
|
|
"received unknown frame type 0x%02x\n",
|
|
header->header1.type);
|
|
}
|
|
return (m);
|
|
}
|
|
|
|
/*
|
|
* The firmware awaits a checksum for each frame we send to it.
|
|
* The algorithm used therefor is uncommon but somehow similar to CRC32.
|
|
*/
|
|
static uint32_t
|
|
upgt_chksum_le(const uint32_t *buf, size_t size)
|
|
{
|
|
int i;
|
|
uint32_t crc = 0;
|
|
|
|
for (i = 0; i < size; i += sizeof(uint32_t)) {
|
|
crc = htole32(crc ^ *buf++);
|
|
crc = htole32((crc >> 5) ^ (crc << 3));
|
|
}
|
|
|
|
return (crc);
|
|
}
|
|
|
|
static struct mbuf *
|
|
upgt_rx(struct upgt_softc *sc, uint8_t *data, int pkglen, int *rssi)
|
|
{
|
|
struct ifnet *ifp = sc->sc_ifp;
|
|
struct ieee80211com *ic = ifp->if_l2com;
|
|
struct upgt_lmac_rx_desc *rxdesc;
|
|
struct mbuf *m;
|
|
|
|
/*
|
|
* don't pass packets to the ieee80211 framework if the driver isn't
|
|
* RUNNING.
|
|
*/
|
|
if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
|
|
return (NULL);
|
|
|
|
/* access RX packet descriptor */
|
|
rxdesc = (struct upgt_lmac_rx_desc *)data;
|
|
|
|
/* create mbuf which is suitable for strict alignment archs */
|
|
KASSERT((pkglen + ETHER_ALIGN) < MCLBYTES,
|
|
("A current mbuf storage is small (%d)", pkglen + ETHER_ALIGN));
|
|
m = m_getcl(M_DONTWAIT, MT_DATA, M_PKTHDR);
|
|
if (m == NULL) {
|
|
device_printf(sc->sc_dev, "could not create RX mbuf!\n");
|
|
return (NULL);
|
|
}
|
|
m_adj(m, ETHER_ALIGN);
|
|
bcopy(rxdesc->data, mtod(m, char *), pkglen);
|
|
/* trim FCS */
|
|
m->m_len = m->m_pkthdr.len = pkglen - IEEE80211_CRC_LEN;
|
|
m->m_pkthdr.rcvif = ifp;
|
|
|
|
if (ieee80211_radiotap_active(ic)) {
|
|
struct upgt_rx_radiotap_header *tap = &sc->sc_rxtap;
|
|
|
|
tap->wr_flags = 0;
|
|
tap->wr_rate = upgt_rx_rate(sc, rxdesc->rate);
|
|
tap->wr_antsignal = rxdesc->rssi;
|
|
}
|
|
ifp->if_ipackets++;
|
|
|
|
DPRINTF(sc, UPGT_DEBUG_RX_PROC, "%s: RX done\n", __func__);
|
|
*rssi = rxdesc->rssi;
|
|
return (m);
|
|
}
|
|
|
|
static uint8_t
|
|
upgt_rx_rate(struct upgt_softc *sc, const int rate)
|
|
{
|
|
struct ifnet *ifp = sc->sc_ifp;
|
|
struct ieee80211com *ic = ifp->if_l2com;
|
|
static const uint8_t cck_upgt2rate[4] = { 2, 4, 11, 22 };
|
|
static const uint8_t ofdm_upgt2rate[12] =
|
|
{ 2, 4, 11, 22, 12, 18, 24, 36, 48, 72, 96, 108 };
|
|
|
|
if (ic->ic_curmode == IEEE80211_MODE_11B &&
|
|
!(rate < 0 || rate > 3))
|
|
return cck_upgt2rate[rate & 0xf];
|
|
|
|
if (ic->ic_curmode == IEEE80211_MODE_11G &&
|
|
!(rate < 0 || rate > 11))
|
|
return ofdm_upgt2rate[rate & 0xf];
|
|
|
|
return (0);
|
|
}
|
|
|
|
static void
|
|
upgt_tx_done(struct upgt_softc *sc, uint8_t *data)
|
|
{
|
|
struct ifnet *ifp = sc->sc_ifp;
|
|
struct upgt_lmac_tx_done_desc *desc;
|
|
int i, freed = 0;
|
|
|
|
UPGT_ASSERT_LOCKED(sc);
|
|
|
|
desc = (struct upgt_lmac_tx_done_desc *)data;
|
|
|
|
for (i = 0; i < UPGT_TX_MAXCOUNT; i++) {
|
|
struct upgt_data *data_tx = &sc->sc_tx_data[i];
|
|
|
|
if (data_tx->addr == le32toh(desc->header2.reqid)) {
|
|
upgt_mem_free(sc, data_tx->addr);
|
|
data_tx->ni = NULL;
|
|
data_tx->addr = 0;
|
|
data_tx->m = NULL;
|
|
data_tx->use = 0;
|
|
|
|
DPRINTF(sc, UPGT_DEBUG_TX_PROC,
|
|
"TX done: memaddr=0x%08x, status=0x%04x, rssi=%d, ",
|
|
le32toh(desc->header2.reqid),
|
|
le16toh(desc->status), le16toh(desc->rssi));
|
|
DPRINTF(sc, UPGT_DEBUG_TX_PROC, "seq=%d\n",
|
|
le16toh(desc->seq));
|
|
|
|
freed++;
|
|
}
|
|
}
|
|
|
|
if (freed != 0) {
|
|
sc->sc_tx_timer = 0;
|
|
ifp->if_drv_flags &= ~IFF_DRV_OACTIVE;
|
|
UPGT_UNLOCK(sc);
|
|
upgt_start(ifp);
|
|
UPGT_LOCK(sc);
|
|
}
|
|
}
|
|
|
|
static void
|
|
upgt_mem_free(struct upgt_softc *sc, uint32_t addr)
|
|
{
|
|
int i;
|
|
|
|
for (i = 0; i < sc->sc_memory.pages; i++) {
|
|
if (sc->sc_memory.page[i].addr == addr) {
|
|
sc->sc_memory.page[i].used = 0;
|
|
return;
|
|
}
|
|
}
|
|
|
|
device_printf(sc->sc_dev,
|
|
"could not free memory address 0x%08x!\n", addr);
|
|
}
|
|
|
|
static int
|
|
upgt_fw_load(struct upgt_softc *sc)
|
|
{
|
|
const struct firmware *fw;
|
|
struct upgt_data *data_cmd;
|
|
struct upgt_fw_x2_header *x2;
|
|
char start_fwload_cmd[] = { 0x3c, 0x0d };
|
|
int error = 0, offset, bsize, n;
|
|
uint32_t crc32;
|
|
|
|
fw = firmware_get(upgt_fwname);
|
|
if (fw == NULL) {
|
|
device_printf(sc->sc_dev, "could not read microcode %s!\n",
|
|
upgt_fwname);
|
|
return (EIO);
|
|
}
|
|
|
|
UPGT_LOCK(sc);
|
|
|
|
/* send firmware start load command */
|
|
data_cmd = upgt_getbuf(sc);
|
|
if (data_cmd == NULL) {
|
|
error = ENOBUFS;
|
|
goto fail;
|
|
}
|
|
data_cmd->buflen = sizeof(start_fwload_cmd);
|
|
bcopy(start_fwload_cmd, data_cmd->buf, data_cmd->buflen);
|
|
upgt_bulk_tx(sc, data_cmd);
|
|
|
|
/* send X2 header */
|
|
data_cmd = upgt_getbuf(sc);
|
|
if (data_cmd == NULL) {
|
|
error = ENOBUFS;
|
|
goto fail;
|
|
}
|
|
data_cmd->buflen = sizeof(struct upgt_fw_x2_header);
|
|
x2 = (struct upgt_fw_x2_header *)data_cmd->buf;
|
|
bcopy(UPGT_X2_SIGNATURE, x2->signature, UPGT_X2_SIGNATURE_SIZE);
|
|
x2->startaddr = htole32(UPGT_MEMADDR_FIRMWARE_START);
|
|
x2->len = htole32(fw->datasize);
|
|
x2->crc = upgt_crc32_le((uint8_t *)data_cmd->buf +
|
|
UPGT_X2_SIGNATURE_SIZE,
|
|
sizeof(struct upgt_fw_x2_header) - UPGT_X2_SIGNATURE_SIZE -
|
|
sizeof(uint32_t));
|
|
upgt_bulk_tx(sc, data_cmd);
|
|
|
|
/* download firmware */
|
|
for (offset = 0; offset < fw->datasize; offset += bsize) {
|
|
if (fw->datasize - offset > UPGT_FW_BLOCK_SIZE)
|
|
bsize = UPGT_FW_BLOCK_SIZE;
|
|
else
|
|
bsize = fw->datasize - offset;
|
|
|
|
data_cmd = upgt_getbuf(sc);
|
|
if (data_cmd == NULL) {
|
|
error = ENOBUFS;
|
|
goto fail;
|
|
}
|
|
n = upgt_fw_copy((const uint8_t *)fw->data + offset,
|
|
data_cmd->buf, bsize);
|
|
data_cmd->buflen = bsize;
|
|
upgt_bulk_tx(sc, data_cmd);
|
|
|
|
DPRINTF(sc, UPGT_DEBUG_FW, "FW offset=%d, read=%d, sent=%d\n",
|
|
offset, n, bsize);
|
|
bsize = n;
|
|
}
|
|
DPRINTF(sc, UPGT_DEBUG_FW, "%s: firmware downloaded\n", __func__);
|
|
|
|
/* load firmware */
|
|
data_cmd = upgt_getbuf(sc);
|
|
if (data_cmd == NULL) {
|
|
error = ENOBUFS;
|
|
goto fail;
|
|
}
|
|
crc32 = upgt_crc32_le(fw->data, fw->datasize);
|
|
*((uint32_t *)(data_cmd->buf) ) = crc32;
|
|
*((uint8_t *)(data_cmd->buf) + 4) = 'g';
|
|
*((uint8_t *)(data_cmd->buf) + 5) = '\r';
|
|
data_cmd->buflen = 6;
|
|
upgt_bulk_tx(sc, data_cmd);
|
|
|
|
/* waiting 'OK' response. */
|
|
usbd_transfer_start(sc->sc_xfer[UPGT_BULK_RX]);
|
|
error = mtx_sleep(sc, &sc->sc_mtx, 0, "upgtfw", 2 * hz);
|
|
if (error != 0) {
|
|
device_printf(sc->sc_dev, "firmware load failed!\n");
|
|
error = EIO;
|
|
}
|
|
|
|
DPRINTF(sc, UPGT_DEBUG_FW, "%s: firmware loaded\n", __func__);
|
|
fail:
|
|
UPGT_UNLOCK(sc);
|
|
firmware_put(fw, FIRMWARE_UNLOAD);
|
|
return (error);
|
|
}
|
|
|
|
static uint32_t
|
|
upgt_crc32_le(const void *buf, size_t size)
|
|
{
|
|
uint32_t crc;
|
|
|
|
crc = ether_crc32_le(buf, size);
|
|
|
|
/* apply final XOR value as common for CRC-32 */
|
|
crc = htole32(crc ^ 0xffffffffU);
|
|
|
|
return (crc);
|
|
}
|
|
|
|
/*
|
|
* While copying the version 2 firmware, we need to replace two characters:
|
|
*
|
|
* 0x7e -> 0x7d 0x5e
|
|
* 0x7d -> 0x7d 0x5d
|
|
*/
|
|
static int
|
|
upgt_fw_copy(const uint8_t *src, char *dst, int size)
|
|
{
|
|
int i, j;
|
|
|
|
for (i = 0, j = 0; i < size && j < size; i++) {
|
|
switch (src[i]) {
|
|
case 0x7e:
|
|
dst[j] = 0x7d;
|
|
j++;
|
|
dst[j] = 0x5e;
|
|
j++;
|
|
break;
|
|
case 0x7d:
|
|
dst[j] = 0x7d;
|
|
j++;
|
|
dst[j] = 0x5d;
|
|
j++;
|
|
break;
|
|
default:
|
|
dst[j] = src[i];
|
|
j++;
|
|
break;
|
|
}
|
|
}
|
|
|
|
return (i);
|
|
}
|
|
|
|
static int
|
|
upgt_mem_init(struct upgt_softc *sc)
|
|
{
|
|
int i;
|
|
|
|
for (i = 0; i < UPGT_MEMORY_MAX_PAGES; i++) {
|
|
sc->sc_memory.page[i].used = 0;
|
|
|
|
if (i == 0) {
|
|
/*
|
|
* The first memory page is always reserved for
|
|
* command data.
|
|
*/
|
|
sc->sc_memory.page[i].addr =
|
|
sc->sc_memaddr_frame_start + MCLBYTES;
|
|
} else {
|
|
sc->sc_memory.page[i].addr =
|
|
sc->sc_memory.page[i - 1].addr + MCLBYTES;
|
|
}
|
|
|
|
if (sc->sc_memory.page[i].addr + MCLBYTES >=
|
|
sc->sc_memaddr_frame_end)
|
|
break;
|
|
|
|
DPRINTF(sc, UPGT_DEBUG_FW, "memory address page %d=0x%08x\n",
|
|
i, sc->sc_memory.page[i].addr);
|
|
}
|
|
|
|
sc->sc_memory.pages = i;
|
|
|
|
DPRINTF(sc, UPGT_DEBUG_FW, "memory pages=%d\n", sc->sc_memory.pages);
|
|
return (0);
|
|
}
|
|
|
|
static int
|
|
upgt_fw_verify(struct upgt_softc *sc)
|
|
{
|
|
const struct firmware *fw;
|
|
const struct upgt_fw_bra_option *bra_opt;
|
|
const struct upgt_fw_bra_descr *descr;
|
|
const uint8_t *p;
|
|
const uint32_t *uc;
|
|
uint32_t bra_option_type, bra_option_len;
|
|
int offset, bra_end = 0, error = 0;
|
|
|
|
fw = firmware_get(upgt_fwname);
|
|
if (fw == NULL) {
|
|
device_printf(sc->sc_dev, "could not read microcode %s!\n",
|
|
upgt_fwname);
|
|
return EIO;
|
|
}
|
|
|
|
/*
|
|
* Seek to beginning of Boot Record Area (BRA).
|
|
*/
|
|
for (offset = 0; offset < fw->datasize; offset += sizeof(*uc)) {
|
|
uc = (const uint32_t *)((const uint8_t *)fw->data + offset);
|
|
if (*uc == 0)
|
|
break;
|
|
}
|
|
for (; offset < fw->datasize; offset += sizeof(*uc)) {
|
|
uc = (const uint32_t *)((const uint8_t *)fw->data + offset);
|
|
if (*uc != 0)
|
|
break;
|
|
}
|
|
if (offset == fw->datasize) {
|
|
device_printf(sc->sc_dev,
|
|
"firmware Boot Record Area not found!\n");
|
|
error = EIO;
|
|
goto fail;
|
|
}
|
|
|
|
DPRINTF(sc, UPGT_DEBUG_FW,
|
|
"firmware Boot Record Area found at offset %d\n", offset);
|
|
|
|
/*
|
|
* Parse Boot Record Area (BRA) options.
|
|
*/
|
|
while (offset < fw->datasize && bra_end == 0) {
|
|
/* get current BRA option */
|
|
p = (const uint8_t *)fw->data + offset;
|
|
bra_opt = (const struct upgt_fw_bra_option *)p;
|
|
bra_option_type = le32toh(bra_opt->type);
|
|
bra_option_len = le32toh(bra_opt->len) * sizeof(*uc);
|
|
|
|
switch (bra_option_type) {
|
|
case UPGT_BRA_TYPE_FW:
|
|
DPRINTF(sc, UPGT_DEBUG_FW, "UPGT_BRA_TYPE_FW len=%d\n",
|
|
bra_option_len);
|
|
|
|
if (bra_option_len != UPGT_BRA_FWTYPE_SIZE) {
|
|
device_printf(sc->sc_dev,
|
|
"wrong UPGT_BRA_TYPE_FW len!\n");
|
|
error = EIO;
|
|
goto fail;
|
|
}
|
|
if (memcmp(UPGT_BRA_FWTYPE_LM86, bra_opt->data,
|
|
bra_option_len) == 0) {
|
|
sc->sc_fw_type = UPGT_FWTYPE_LM86;
|
|
break;
|
|
}
|
|
if (memcmp(UPGT_BRA_FWTYPE_LM87, bra_opt->data,
|
|
bra_option_len) == 0) {
|
|
sc->sc_fw_type = UPGT_FWTYPE_LM87;
|
|
break;
|
|
}
|
|
device_printf(sc->sc_dev,
|
|
"unsupported firmware type!\n");
|
|
error = EIO;
|
|
goto fail;
|
|
case UPGT_BRA_TYPE_VERSION:
|
|
DPRINTF(sc, UPGT_DEBUG_FW,
|
|
"UPGT_BRA_TYPE_VERSION len=%d\n", bra_option_len);
|
|
break;
|
|
case UPGT_BRA_TYPE_DEPIF:
|
|
DPRINTF(sc, UPGT_DEBUG_FW,
|
|
"UPGT_BRA_TYPE_DEPIF len=%d\n", bra_option_len);
|
|
break;
|
|
case UPGT_BRA_TYPE_EXPIF:
|
|
DPRINTF(sc, UPGT_DEBUG_FW,
|
|
"UPGT_BRA_TYPE_EXPIF len=%d\n", bra_option_len);
|
|
break;
|
|
case UPGT_BRA_TYPE_DESCR:
|
|
DPRINTF(sc, UPGT_DEBUG_FW,
|
|
"UPGT_BRA_TYPE_DESCR len=%d\n", bra_option_len);
|
|
|
|
descr = (const struct upgt_fw_bra_descr *)bra_opt->data;
|
|
|
|
sc->sc_memaddr_frame_start =
|
|
le32toh(descr->memaddr_space_start);
|
|
sc->sc_memaddr_frame_end =
|
|
le32toh(descr->memaddr_space_end);
|
|
|
|
DPRINTF(sc, UPGT_DEBUG_FW,
|
|
"memory address space start=0x%08x\n",
|
|
sc->sc_memaddr_frame_start);
|
|
DPRINTF(sc, UPGT_DEBUG_FW,
|
|
"memory address space end=0x%08x\n",
|
|
sc->sc_memaddr_frame_end);
|
|
break;
|
|
case UPGT_BRA_TYPE_END:
|
|
DPRINTF(sc, UPGT_DEBUG_FW, "UPGT_BRA_TYPE_END len=%d\n",
|
|
bra_option_len);
|
|
bra_end = 1;
|
|
break;
|
|
default:
|
|
DPRINTF(sc, UPGT_DEBUG_FW, "unknown BRA option len=%d\n",
|
|
bra_option_len);
|
|
error = EIO;
|
|
goto fail;
|
|
}
|
|
|
|
/* jump to next BRA option */
|
|
offset += sizeof(struct upgt_fw_bra_option) + bra_option_len;
|
|
}
|
|
|
|
DPRINTF(sc, UPGT_DEBUG_FW, "%s: firmware verified", __func__);
|
|
fail:
|
|
firmware_put(fw, FIRMWARE_UNLOAD);
|
|
return (error);
|
|
}
|
|
|
|
static void
|
|
upgt_bulk_tx(struct upgt_softc *sc, struct upgt_data *data)
|
|
{
|
|
|
|
UPGT_ASSERT_LOCKED(sc);
|
|
|
|
STAILQ_INSERT_TAIL(&sc->sc_tx_pending, data, next);
|
|
UPGT_STAT_INC(sc, st_tx_pending);
|
|
usbd_transfer_start(sc->sc_xfer[UPGT_BULK_TX]);
|
|
}
|
|
|
|
static int
|
|
upgt_device_reset(struct upgt_softc *sc)
|
|
{
|
|
struct upgt_data *data;
|
|
char init_cmd[] = { 0x7e, 0x7e, 0x7e, 0x7e };
|
|
|
|
UPGT_LOCK(sc);
|
|
|
|
data = upgt_getbuf(sc);
|
|
if (data == NULL) {
|
|
UPGT_UNLOCK(sc);
|
|
return (ENOBUFS);
|
|
}
|
|
bcopy(init_cmd, data->buf, sizeof(init_cmd));
|
|
data->buflen = sizeof(init_cmd);
|
|
upgt_bulk_tx(sc, data);
|
|
usb_pause_mtx(&sc->sc_mtx, 100);
|
|
|
|
UPGT_UNLOCK(sc);
|
|
DPRINTF(sc, UPGT_DEBUG_FW, "%s: device initialized\n", __func__);
|
|
return (0);
|
|
}
|
|
|
|
static int
|
|
upgt_alloc_tx(struct upgt_softc *sc)
|
|
{
|
|
int i;
|
|
|
|
STAILQ_INIT(&sc->sc_tx_active);
|
|
STAILQ_INIT(&sc->sc_tx_inactive);
|
|
STAILQ_INIT(&sc->sc_tx_pending);
|
|
|
|
for (i = 0; i < UPGT_TX_MAXCOUNT; i++) {
|
|
struct upgt_data *data = &sc->sc_tx_data[i];
|
|
|
|
data->buf = malloc(MCLBYTES, M_USBDEV, M_NOWAIT | M_ZERO);
|
|
if (data->buf == NULL) {
|
|
device_printf(sc->sc_dev,
|
|
"could not allocate TX buffer!\n");
|
|
return (ENOMEM);
|
|
}
|
|
STAILQ_INSERT_TAIL(&sc->sc_tx_inactive, data, next);
|
|
UPGT_STAT_INC(sc, st_tx_inactive);
|
|
}
|
|
|
|
return (0);
|
|
}
|
|
|
|
static int
|
|
upgt_alloc_rx(struct upgt_softc *sc)
|
|
{
|
|
int i;
|
|
|
|
STAILQ_INIT(&sc->sc_rx_active);
|
|
STAILQ_INIT(&sc->sc_rx_inactive);
|
|
|
|
for (i = 0; i < UPGT_RX_MAXCOUNT; i++) {
|
|
struct upgt_data *data = &sc->sc_rx_data[i];
|
|
|
|
data->buf = malloc(MCLBYTES, M_USBDEV, M_NOWAIT | M_ZERO);
|
|
if (data->buf == NULL) {
|
|
device_printf(sc->sc_dev,
|
|
"could not allocate RX buffer!\n");
|
|
return (ENOMEM);
|
|
}
|
|
STAILQ_INSERT_TAIL(&sc->sc_rx_inactive, data, next);
|
|
}
|
|
|
|
return (0);
|
|
}
|
|
|
|
static int
|
|
upgt_detach(device_t dev)
|
|
{
|
|
struct upgt_softc *sc = device_get_softc(dev);
|
|
struct ifnet *ifp = sc->sc_ifp;
|
|
struct ieee80211com *ic = ifp->if_l2com;
|
|
|
|
if (!device_is_attached(dev))
|
|
return 0;
|
|
|
|
upgt_stop(sc);
|
|
|
|
callout_drain(&sc->sc_led_ch);
|
|
callout_drain(&sc->sc_watchdog_ch);
|
|
|
|
usbd_transfer_unsetup(sc->sc_xfer, UPGT_N_XFERS);
|
|
ieee80211_ifdetach(ic);
|
|
upgt_free_rx(sc);
|
|
upgt_free_tx(sc);
|
|
|
|
if_free(ifp);
|
|
mtx_destroy(&sc->sc_mtx);
|
|
|
|
return (0);
|
|
}
|
|
|
|
static void
|
|
upgt_free_rx(struct upgt_softc *sc)
|
|
{
|
|
int i;
|
|
|
|
for (i = 0; i < UPGT_RX_MAXCOUNT; i++) {
|
|
struct upgt_data *data = &sc->sc_rx_data[i];
|
|
|
|
free(data->buf, M_USBDEV);
|
|
data->ni = NULL;
|
|
}
|
|
}
|
|
|
|
static void
|
|
upgt_free_tx(struct upgt_softc *sc)
|
|
{
|
|
int i;
|
|
|
|
for (i = 0; i < UPGT_TX_MAXCOUNT; i++) {
|
|
struct upgt_data *data = &sc->sc_tx_data[i];
|
|
|
|
free(data->buf, M_USBDEV);
|
|
data->ni = NULL;
|
|
}
|
|
}
|
|
|
|
static void
|
|
upgt_abort_xfers_locked(struct upgt_softc *sc)
|
|
{
|
|
int i;
|
|
|
|
UPGT_ASSERT_LOCKED(sc);
|
|
/* abort any pending transfers */
|
|
for (i = 0; i < UPGT_N_XFERS; i++)
|
|
usbd_transfer_stop(sc->sc_xfer[i]);
|
|
}
|
|
|
|
static void
|
|
upgt_abort_xfers(struct upgt_softc *sc)
|
|
{
|
|
|
|
UPGT_LOCK(sc);
|
|
upgt_abort_xfers_locked(sc);
|
|
UPGT_UNLOCK(sc);
|
|
}
|
|
|
|
#define UPGT_SYSCTL_STAT_ADD32(c, h, n, p, d) \
|
|
SYSCTL_ADD_UINT(c, h, OID_AUTO, n, CTLFLAG_RD, p, 0, d)
|
|
|
|
static void
|
|
upgt_sysctl_node(struct upgt_softc *sc)
|
|
{
|
|
struct sysctl_ctx_list *ctx;
|
|
struct sysctl_oid_list *child;
|
|
struct sysctl_oid *tree;
|
|
struct upgt_stat *stats;
|
|
|
|
stats = &sc->sc_stat;
|
|
ctx = device_get_sysctl_ctx(sc->sc_dev);
|
|
child = SYSCTL_CHILDREN(device_get_sysctl_tree(sc->sc_dev));
|
|
|
|
tree = SYSCTL_ADD_NODE(ctx, child, OID_AUTO, "stats", CTLFLAG_RD,
|
|
NULL, "UPGT statistics");
|
|
child = SYSCTL_CHILDREN(tree);
|
|
UPGT_SYSCTL_STAT_ADD32(ctx, child, "tx_active",
|
|
&stats->st_tx_active, "Active numbers in TX queue");
|
|
UPGT_SYSCTL_STAT_ADD32(ctx, child, "tx_inactive",
|
|
&stats->st_tx_inactive, "Inactive numbers in TX queue");
|
|
UPGT_SYSCTL_STAT_ADD32(ctx, child, "tx_pending",
|
|
&stats->st_tx_pending, "Pending numbers in TX queue");
|
|
}
|
|
|
|
#undef UPGT_SYSCTL_STAT_ADD32
|
|
|
|
static struct upgt_data *
|
|
_upgt_getbuf(struct upgt_softc *sc)
|
|
{
|
|
struct upgt_data *bf;
|
|
|
|
bf = STAILQ_FIRST(&sc->sc_tx_inactive);
|
|
if (bf != NULL) {
|
|
STAILQ_REMOVE_HEAD(&sc->sc_tx_inactive, next);
|
|
UPGT_STAT_DEC(sc, st_tx_inactive);
|
|
} else
|
|
bf = NULL;
|
|
if (bf == NULL)
|
|
DPRINTF(sc, UPGT_DEBUG_XMIT, "%s: %s\n", __func__,
|
|
"out of xmit buffers");
|
|
return (bf);
|
|
}
|
|
|
|
static struct upgt_data *
|
|
upgt_getbuf(struct upgt_softc *sc)
|
|
{
|
|
struct upgt_data *bf;
|
|
|
|
UPGT_ASSERT_LOCKED(sc);
|
|
|
|
bf = _upgt_getbuf(sc);
|
|
if (bf == NULL) {
|
|
struct ifnet *ifp = sc->sc_ifp;
|
|
|
|
DPRINTF(sc, UPGT_DEBUG_XMIT, "%s: stop queue\n", __func__);
|
|
ifp->if_drv_flags |= IFF_DRV_OACTIVE;
|
|
}
|
|
|
|
return (bf);
|
|
}
|
|
|
|
static struct upgt_data *
|
|
upgt_gettxbuf(struct upgt_softc *sc)
|
|
{
|
|
struct upgt_data *bf;
|
|
|
|
UPGT_ASSERT_LOCKED(sc);
|
|
|
|
bf = upgt_getbuf(sc);
|
|
if (bf == NULL)
|
|
return (NULL);
|
|
|
|
bf->addr = upgt_mem_alloc(sc);
|
|
if (bf->addr == 0) {
|
|
struct ifnet *ifp = sc->sc_ifp;
|
|
|
|
DPRINTF(sc, UPGT_DEBUG_XMIT, "%s: no free prism memory!\n",
|
|
__func__);
|
|
STAILQ_INSERT_HEAD(&sc->sc_tx_inactive, bf, next);
|
|
UPGT_STAT_INC(sc, st_tx_inactive);
|
|
if (!(ifp->if_drv_flags & IFF_DRV_OACTIVE))
|
|
ifp->if_drv_flags |= IFF_DRV_OACTIVE;
|
|
return (NULL);
|
|
}
|
|
return (bf);
|
|
}
|
|
|
|
static int
|
|
upgt_tx_start(struct upgt_softc *sc, struct mbuf *m, struct ieee80211_node *ni,
|
|
struct upgt_data *data)
|
|
{
|
|
struct ieee80211vap *vap = ni->ni_vap;
|
|
int error = 0, len;
|
|
struct ieee80211_frame *wh;
|
|
struct ieee80211_key *k;
|
|
struct ifnet *ifp = sc->sc_ifp;
|
|
struct upgt_lmac_mem *mem;
|
|
struct upgt_lmac_tx_desc *txdesc;
|
|
|
|
UPGT_ASSERT_LOCKED(sc);
|
|
|
|
upgt_set_led(sc, UPGT_LED_BLINK);
|
|
|
|
/*
|
|
* Software crypto.
|
|
*/
|
|
wh = mtod(m, struct ieee80211_frame *);
|
|
if (wh->i_fc[1] & IEEE80211_FC1_WEP) {
|
|
k = ieee80211_crypto_encap(ni, m);
|
|
if (k == NULL) {
|
|
device_printf(sc->sc_dev,
|
|
"ieee80211_crypto_encap returns NULL.\n");
|
|
error = EIO;
|
|
goto done;
|
|
}
|
|
|
|
/* in case packet header moved, reset pointer */
|
|
wh = mtod(m, struct ieee80211_frame *);
|
|
}
|
|
|
|
/* Transmit the URB containing the TX data. */
|
|
bzero(data->buf, MCLBYTES);
|
|
mem = (struct upgt_lmac_mem *)data->buf;
|
|
mem->addr = htole32(data->addr);
|
|
txdesc = (struct upgt_lmac_tx_desc *)(mem + 1);
|
|
|
|
if ((wh->i_fc[0] & IEEE80211_FC0_TYPE_MASK) ==
|
|
IEEE80211_FC0_TYPE_MGT) {
|
|
/* mgmt frames */
|
|
txdesc->header1.flags = UPGT_H1_FLAGS_TX_MGMT;
|
|
/* always send mgmt frames at lowest rate (DS1) */
|
|
memset(txdesc->rates, 0x10, sizeof(txdesc->rates));
|
|
} else {
|
|
/* data frames */
|
|
txdesc->header1.flags = UPGT_H1_FLAGS_TX_DATA;
|
|
bcopy(sc->sc_cur_rateset, txdesc->rates, sizeof(txdesc->rates));
|
|
}
|
|
txdesc->header1.type = UPGT_H1_TYPE_TX_DATA;
|
|
txdesc->header1.len = htole16(m->m_pkthdr.len);
|
|
txdesc->header2.reqid = htole32(data->addr);
|
|
txdesc->header2.type = htole16(UPGT_H2_TYPE_TX_ACK_YES);
|
|
txdesc->header2.flags = htole16(UPGT_H2_FLAGS_TX_ACK_YES);
|
|
txdesc->type = htole32(UPGT_TX_DESC_TYPE_DATA);
|
|
txdesc->pad3[0] = UPGT_TX_DESC_PAD3_SIZE;
|
|
|
|
if (ieee80211_radiotap_active_vap(vap)) {
|
|
struct upgt_tx_radiotap_header *tap = &sc->sc_txtap;
|
|
|
|
tap->wt_flags = 0;
|
|
tap->wt_rate = 0; /* XXX where to get from? */
|
|
|
|
ieee80211_radiotap_tx(vap, m);
|
|
}
|
|
|
|
/* copy frame below our TX descriptor header */
|
|
m_copydata(m, 0, m->m_pkthdr.len,
|
|
data->buf + (sizeof(*mem) + sizeof(*txdesc)));
|
|
/* calculate frame size */
|
|
len = sizeof(*mem) + sizeof(*txdesc) + m->m_pkthdr.len;
|
|
/* we need to align the frame to a 4 byte boundary */
|
|
len = (len + 3) & ~3;
|
|
/* calculate frame checksum */
|
|
mem->chksum = upgt_chksum_le((uint32_t *)txdesc, len - sizeof(*mem));
|
|
data->ni = ni;
|
|
data->m = m;
|
|
data->buflen = len;
|
|
|
|
DPRINTF(sc, UPGT_DEBUG_XMIT, "%s: TX start data sending (%d bytes)\n",
|
|
__func__, len);
|
|
KASSERT(len <= MCLBYTES, ("mbuf is small for saving data"));
|
|
|
|
upgt_bulk_tx(sc, data);
|
|
done:
|
|
/*
|
|
* If we don't regulary read the device statistics, the RX queue
|
|
* will stall. It's strange, but it works, so we keep reading
|
|
* the statistics here. *shrug*
|
|
*/
|
|
if (!(ifp->if_opackets % UPGT_TX_STAT_INTERVAL))
|
|
upgt_get_stats(sc);
|
|
|
|
return (error);
|
|
}
|
|
|
|
static void
|
|
upgt_bulk_rx_callback(struct usb_xfer *xfer, usb_error_t error)
|
|
{
|
|
struct upgt_softc *sc = usbd_xfer_softc(xfer);
|
|
struct ifnet *ifp = sc->sc_ifp;
|
|
struct ieee80211com *ic = ifp->if_l2com;
|
|
struct ieee80211_frame *wh;
|
|
struct ieee80211_node *ni;
|
|
struct mbuf *m = NULL;
|
|
struct upgt_data *data;
|
|
int8_t nf;
|
|
int rssi = -1;
|
|
|
|
UPGT_ASSERT_LOCKED(sc);
|
|
|
|
switch (USB_GET_STATE(xfer)) {
|
|
case USB_ST_TRANSFERRED:
|
|
data = STAILQ_FIRST(&sc->sc_rx_active);
|
|
if (data == NULL)
|
|
goto setup;
|
|
STAILQ_REMOVE_HEAD(&sc->sc_rx_active, next);
|
|
m = upgt_rxeof(xfer, data, &rssi);
|
|
STAILQ_INSERT_TAIL(&sc->sc_rx_inactive, data, next);
|
|
/* FALLTHROUGH */
|
|
case USB_ST_SETUP:
|
|
setup:
|
|
data = STAILQ_FIRST(&sc->sc_rx_inactive);
|
|
if (data == NULL)
|
|
return;
|
|
STAILQ_REMOVE_HEAD(&sc->sc_rx_inactive, next);
|
|
STAILQ_INSERT_TAIL(&sc->sc_rx_active, data, next);
|
|
usbd_xfer_set_frame_data(xfer, 0, data->buf,
|
|
usbd_xfer_max_len(xfer));
|
|
usbd_transfer_submit(xfer);
|
|
|
|
/*
|
|
* To avoid LOR we should unlock our private mutex here to call
|
|
* ieee80211_input() because here is at the end of a USB
|
|
* callback and safe to unlock.
|
|
*/
|
|
UPGT_UNLOCK(sc);
|
|
if (m != NULL) {
|
|
wh = mtod(m, struct ieee80211_frame *);
|
|
ni = ieee80211_find_rxnode(ic,
|
|
(struct ieee80211_frame_min *)wh);
|
|
nf = -95; /* XXX */
|
|
if (ni != NULL) {
|
|
(void) ieee80211_input(ni, m, rssi, nf);
|
|
/* node is no longer needed */
|
|
ieee80211_free_node(ni);
|
|
} else
|
|
(void) ieee80211_input_all(ic, m, rssi, nf);
|
|
m = NULL;
|
|
}
|
|
if ((ifp->if_drv_flags & IFF_DRV_OACTIVE) == 0 &&
|
|
!IFQ_IS_EMPTY(&ifp->if_snd))
|
|
upgt_start(ifp);
|
|
UPGT_LOCK(sc);
|
|
break;
|
|
default:
|
|
/* needs it to the inactive queue due to a error. */
|
|
data = STAILQ_FIRST(&sc->sc_rx_active);
|
|
if (data != NULL) {
|
|
STAILQ_REMOVE_HEAD(&sc->sc_rx_active, next);
|
|
STAILQ_INSERT_TAIL(&sc->sc_rx_inactive, data, next);
|
|
}
|
|
if (error != USB_ERR_CANCELLED) {
|
|
usbd_xfer_set_stall(xfer);
|
|
ifp->if_ierrors++;
|
|
goto setup;
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
|
|
static void
|
|
upgt_bulk_tx_callback(struct usb_xfer *xfer, usb_error_t error)
|
|
{
|
|
struct upgt_softc *sc = usbd_xfer_softc(xfer);
|
|
struct ifnet *ifp = sc->sc_ifp;
|
|
struct upgt_data *data;
|
|
|
|
UPGT_ASSERT_LOCKED(sc);
|
|
switch (USB_GET_STATE(xfer)) {
|
|
case USB_ST_TRANSFERRED:
|
|
data = STAILQ_FIRST(&sc->sc_tx_active);
|
|
if (data == NULL)
|
|
goto setup;
|
|
STAILQ_REMOVE_HEAD(&sc->sc_tx_active, next);
|
|
UPGT_STAT_DEC(sc, st_tx_active);
|
|
upgt_txeof(xfer, data);
|
|
STAILQ_INSERT_TAIL(&sc->sc_tx_inactive, data, next);
|
|
UPGT_STAT_INC(sc, st_tx_inactive);
|
|
/* FALLTHROUGH */
|
|
case USB_ST_SETUP:
|
|
setup:
|
|
data = STAILQ_FIRST(&sc->sc_tx_pending);
|
|
if (data == NULL) {
|
|
DPRINTF(sc, UPGT_DEBUG_XMIT, "%s: empty pending queue\n",
|
|
__func__);
|
|
return;
|
|
}
|
|
STAILQ_REMOVE_HEAD(&sc->sc_tx_pending, next);
|
|
UPGT_STAT_DEC(sc, st_tx_pending);
|
|
STAILQ_INSERT_TAIL(&sc->sc_tx_active, data, next);
|
|
UPGT_STAT_INC(sc, st_tx_active);
|
|
|
|
usbd_xfer_set_frame_data(xfer, 0, data->buf, data->buflen);
|
|
usbd_transfer_submit(xfer);
|
|
UPGT_UNLOCK(sc);
|
|
upgt_start(ifp);
|
|
UPGT_LOCK(sc);
|
|
break;
|
|
default:
|
|
data = STAILQ_FIRST(&sc->sc_tx_active);
|
|
if (data == NULL)
|
|
goto setup;
|
|
if (data->ni != NULL) {
|
|
ieee80211_free_node(data->ni);
|
|
data->ni = NULL;
|
|
ifp->if_oerrors++;
|
|
}
|
|
if (error != USB_ERR_CANCELLED) {
|
|
usbd_xfer_set_stall(xfer);
|
|
goto setup;
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
|
|
static device_method_t upgt_methods[] = {
|
|
/* Device interface */
|
|
DEVMETHOD(device_probe, upgt_match),
|
|
DEVMETHOD(device_attach, upgt_attach),
|
|
DEVMETHOD(device_detach, upgt_detach),
|
|
|
|
{ 0, 0 }
|
|
};
|
|
|
|
static driver_t upgt_driver = {
|
|
"upgt",
|
|
upgt_methods,
|
|
sizeof(struct upgt_softc)
|
|
};
|
|
|
|
static devclass_t upgt_devclass;
|
|
|
|
DRIVER_MODULE(if_upgt, uhub, upgt_driver, upgt_devclass, NULL, 0);
|
|
MODULE_VERSION(if_upgt, 1);
|
|
MODULE_DEPEND(if_upgt, usb, 1, 1, 1);
|
|
MODULE_DEPEND(if_upgt, wlan, 1, 1, 1);
|
|
MODULE_DEPEND(if_upgt, upgtfw_fw, 1, 1, 1);
|