bd56e71b4b
This fixes hostap mode for at least ral(4) and run(4), because there is no sufficient call into drivers which could be used initialize the node related ratectl variables. MFC after: 3 days
2271 lines
57 KiB
C
2271 lines
57 KiB
C
/* $FreeBSD$ */
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/*-
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* Copyright (c) 2005, 2006
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* Damien Bergamini <damien.bergamini@free.fr>
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*
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* Copyright (c) 2006, 2008
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* Hans Petter Selasky <hselasky@FreeBSD.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/cdefs.h>
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__FBSDID("$FreeBSD$");
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/*-
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* Ralink Technology RT2500USB chipset driver
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* http://www.ralinktech.com/
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*/
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#include <sys/param.h>
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#include <sys/sockio.h>
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#include <sys/sysctl.h>
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#include <sys/lock.h>
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#include <sys/mutex.h>
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#include <sys/mbuf.h>
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#include <sys/kernel.h>
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#include <sys/socket.h>
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#include <sys/systm.h>
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#include <sys/malloc.h>
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#include <sys/module.h>
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#include <sys/bus.h>
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#include <sys/endian.h>
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#include <sys/kdb.h>
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#include <machine/bus.h>
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#include <machine/resource.h>
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#include <sys/rman.h>
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#include <net/bpf.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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#ifdef INET
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#include <netinet/in.h>
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#include <netinet/in_systm.h>
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#include <netinet/in_var.h>
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#include <netinet/if_ether.h>
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#include <netinet/ip.h>
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#endif
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#include <net80211/ieee80211_var.h>
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#include <net80211/ieee80211_regdomain.h>
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#include <net80211/ieee80211_radiotap.h>
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#include <net80211/ieee80211_ratectl.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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#define USB_DEBUG_VAR ural_debug
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#include <dev/usb/usb_debug.h>
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#include <dev/usb/wlan/if_uralreg.h>
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#include <dev/usb/wlan/if_uralvar.h>
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#ifdef USB_DEBUG
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static int ural_debug = 0;
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SYSCTL_NODE(_hw_usb, OID_AUTO, ural, CTLFLAG_RW, 0, "USB ural");
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SYSCTL_INT(_hw_usb_ural, OID_AUTO, debug, CTLFLAG_RW, &ural_debug, 0,
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"Debug level");
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#endif
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#define URAL_RSSI(rssi) \
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((rssi) > (RAL_NOISE_FLOOR + RAL_RSSI_CORR) ? \
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((rssi) - (RAL_NOISE_FLOOR + RAL_RSSI_CORR)) : 0)
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/* various supported device vendors/products */
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static const struct usb_device_id ural_devs[] = {
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#define URAL_DEV(v,p) { USB_VP(USB_VENDOR_##v, USB_PRODUCT_##v##_##p) }
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URAL_DEV(ASUS, WL167G),
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URAL_DEV(ASUS, RT2570),
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URAL_DEV(BELKIN, F5D7050),
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URAL_DEV(BELKIN, F5D7051),
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URAL_DEV(CISCOLINKSYS, HU200TS),
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URAL_DEV(CISCOLINKSYS, WUSB54G),
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URAL_DEV(CISCOLINKSYS, WUSB54GP),
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URAL_DEV(CONCEPTRONIC2, C54RU),
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URAL_DEV(DLINK, DWLG122),
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URAL_DEV(GIGABYTE, GN54G),
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URAL_DEV(GIGABYTE, GNWBKG),
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URAL_DEV(GUILLEMOT, HWGUSB254),
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URAL_DEV(MELCO, KG54),
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URAL_DEV(MELCO, KG54AI),
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URAL_DEV(MELCO, KG54YB),
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URAL_DEV(MELCO, NINWIFI),
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URAL_DEV(MSI, RT2570),
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URAL_DEV(MSI, RT2570_2),
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URAL_DEV(MSI, RT2570_3),
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URAL_DEV(NOVATECH, NV902),
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URAL_DEV(RALINK, RT2570),
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URAL_DEV(RALINK, RT2570_2),
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URAL_DEV(RALINK, RT2570_3),
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URAL_DEV(SIEMENS2, WL54G),
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URAL_DEV(SMC, 2862WG),
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URAL_DEV(SPHAIRON, UB801R),
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URAL_DEV(SURECOM, RT2570),
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URAL_DEV(VTECH, RT2570),
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URAL_DEV(ZINWELL, RT2570),
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#undef URAL_DEV
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};
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static usb_callback_t ural_bulk_read_callback;
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static usb_callback_t ural_bulk_write_callback;
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static usb_error_t ural_do_request(struct ural_softc *sc,
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struct usb_device_request *req, void *data);
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static struct ieee80211vap *ural_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 ural_vap_delete(struct ieee80211vap *);
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static void ural_tx_free(struct ural_tx_data *, int);
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static void ural_setup_tx_list(struct ural_softc *);
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static void ural_unsetup_tx_list(struct ural_softc *);
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static int ural_newstate(struct ieee80211vap *,
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enum ieee80211_state, int);
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static void ural_setup_tx_desc(struct ural_softc *,
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struct ural_tx_desc *, uint32_t, int, int);
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static int ural_tx_bcn(struct ural_softc *, struct mbuf *,
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struct ieee80211_node *);
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static int ural_tx_mgt(struct ural_softc *, struct mbuf *,
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struct ieee80211_node *);
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static int ural_tx_data(struct ural_softc *, struct mbuf *,
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struct ieee80211_node *);
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static void ural_start(struct ifnet *);
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static int ural_ioctl(struct ifnet *, u_long, caddr_t);
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static void ural_set_testmode(struct ural_softc *);
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static void ural_eeprom_read(struct ural_softc *, uint16_t, void *,
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int);
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static uint16_t ural_read(struct ural_softc *, uint16_t);
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static void ural_read_multi(struct ural_softc *, uint16_t, void *,
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int);
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static void ural_write(struct ural_softc *, uint16_t, uint16_t);
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static void ural_write_multi(struct ural_softc *, uint16_t, void *,
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int) __unused;
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static void ural_bbp_write(struct ural_softc *, uint8_t, uint8_t);
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static uint8_t ural_bbp_read(struct ural_softc *, uint8_t);
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static void ural_rf_write(struct ural_softc *, uint8_t, uint32_t);
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static void ural_scan_start(struct ieee80211com *);
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static void ural_scan_end(struct ieee80211com *);
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static void ural_set_channel(struct ieee80211com *);
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static void ural_set_chan(struct ural_softc *,
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struct ieee80211_channel *);
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static void ural_disable_rf_tune(struct ural_softc *);
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static void ural_enable_tsf_sync(struct ural_softc *);
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static void ural_enable_tsf(struct ural_softc *);
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static void ural_update_slot(struct ifnet *);
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static void ural_set_txpreamble(struct ural_softc *);
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static void ural_set_basicrates(struct ural_softc *,
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const struct ieee80211_channel *);
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static void ural_set_bssid(struct ural_softc *, const uint8_t *);
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static void ural_set_macaddr(struct ural_softc *, uint8_t *);
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static void ural_update_promisc(struct ifnet *);
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static void ural_setpromisc(struct ural_softc *);
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static const char *ural_get_rf(int);
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static void ural_read_eeprom(struct ural_softc *);
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static int ural_bbp_init(struct ural_softc *);
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static void ural_set_txantenna(struct ural_softc *, int);
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static void ural_set_rxantenna(struct ural_softc *, int);
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static void ural_init_locked(struct ural_softc *);
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static void ural_init(void *);
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static void ural_stop(struct ural_softc *);
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static int ural_raw_xmit(struct ieee80211_node *, struct mbuf *,
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const struct ieee80211_bpf_params *);
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static void ural_ratectl_start(struct ural_softc *,
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struct ieee80211_node *);
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static void ural_ratectl_timeout(void *);
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static void ural_ratectl_task(void *, int);
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static int ural_pause(struct ural_softc *sc, int timeout);
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/*
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* Default values for MAC registers; values taken from the reference driver.
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*/
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static const struct {
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uint16_t reg;
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uint16_t val;
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} ural_def_mac[] = {
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{ RAL_TXRX_CSR5, 0x8c8d },
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{ RAL_TXRX_CSR6, 0x8b8a },
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{ RAL_TXRX_CSR7, 0x8687 },
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{ RAL_TXRX_CSR8, 0x0085 },
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{ RAL_MAC_CSR13, 0x1111 },
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{ RAL_MAC_CSR14, 0x1e11 },
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{ RAL_TXRX_CSR21, 0xe78f },
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{ RAL_MAC_CSR9, 0xff1d },
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{ RAL_MAC_CSR11, 0x0002 },
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{ RAL_MAC_CSR22, 0x0053 },
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{ RAL_MAC_CSR15, 0x0000 },
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{ RAL_MAC_CSR8, RAL_FRAME_SIZE },
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{ RAL_TXRX_CSR19, 0x0000 },
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{ RAL_TXRX_CSR18, 0x005a },
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{ RAL_PHY_CSR2, 0x0000 },
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{ RAL_TXRX_CSR0, 0x1ec0 },
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{ RAL_PHY_CSR4, 0x000f }
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};
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/*
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* Default values for BBP registers; values taken from the reference driver.
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*/
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static const struct {
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uint8_t reg;
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uint8_t val;
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} ural_def_bbp[] = {
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{ 3, 0x02 },
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{ 4, 0x19 },
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{ 14, 0x1c },
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{ 15, 0x30 },
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{ 16, 0xac },
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{ 17, 0x48 },
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{ 18, 0x18 },
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{ 19, 0xff },
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{ 20, 0x1e },
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{ 21, 0x08 },
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{ 22, 0x08 },
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{ 23, 0x08 },
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{ 24, 0x80 },
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{ 25, 0x50 },
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{ 26, 0x08 },
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{ 27, 0x23 },
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{ 30, 0x10 },
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{ 31, 0x2b },
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{ 32, 0xb9 },
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{ 34, 0x12 },
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{ 35, 0x50 },
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{ 39, 0xc4 },
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{ 40, 0x02 },
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{ 41, 0x60 },
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{ 53, 0x10 },
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{ 54, 0x18 },
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{ 56, 0x08 },
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{ 57, 0x10 },
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{ 58, 0x08 },
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{ 61, 0x60 },
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{ 62, 0x10 },
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{ 75, 0xff }
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};
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/*
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* Default values for RF register R2 indexed by channel numbers.
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*/
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static const uint32_t ural_rf2522_r2[] = {
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0x307f6, 0x307fb, 0x30800, 0x30805, 0x3080a, 0x3080f, 0x30814,
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0x30819, 0x3081e, 0x30823, 0x30828, 0x3082d, 0x30832, 0x3083e
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};
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static const uint32_t ural_rf2523_r2[] = {
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0x00327, 0x00328, 0x00329, 0x0032a, 0x0032b, 0x0032c, 0x0032d,
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0x0032e, 0x0032f, 0x00340, 0x00341, 0x00342, 0x00343, 0x00346
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};
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static const uint32_t ural_rf2524_r2[] = {
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0x00327, 0x00328, 0x00329, 0x0032a, 0x0032b, 0x0032c, 0x0032d,
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0x0032e, 0x0032f, 0x00340, 0x00341, 0x00342, 0x00343, 0x00346
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};
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static const uint32_t ural_rf2525_r2[] = {
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0x20327, 0x20328, 0x20329, 0x2032a, 0x2032b, 0x2032c, 0x2032d,
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0x2032e, 0x2032f, 0x20340, 0x20341, 0x20342, 0x20343, 0x20346
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};
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static const uint32_t ural_rf2525_hi_r2[] = {
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0x2032f, 0x20340, 0x20341, 0x20342, 0x20343, 0x20344, 0x20345,
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0x20346, 0x20347, 0x20348, 0x20349, 0x2034a, 0x2034b, 0x2034e
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};
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static const uint32_t ural_rf2525e_r2[] = {
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0x2044d, 0x2044e, 0x2044f, 0x20460, 0x20461, 0x20462, 0x20463,
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0x20464, 0x20465, 0x20466, 0x20467, 0x20468, 0x20469, 0x2046b
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};
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static const uint32_t ural_rf2526_hi_r2[] = {
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0x0022a, 0x0022b, 0x0022b, 0x0022c, 0x0022c, 0x0022d, 0x0022d,
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0x0022e, 0x0022e, 0x0022f, 0x0022d, 0x00240, 0x00240, 0x00241
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};
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static const uint32_t ural_rf2526_r2[] = {
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0x00226, 0x00227, 0x00227, 0x00228, 0x00228, 0x00229, 0x00229,
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0x0022a, 0x0022a, 0x0022b, 0x0022b, 0x0022c, 0x0022c, 0x0022d
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};
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/*
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* For dual-band RF, RF registers R1 and R4 also depend on channel number;
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* values taken from the reference driver.
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*/
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static const struct {
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uint8_t chan;
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uint32_t r1;
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uint32_t r2;
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uint32_t r4;
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} ural_rf5222[] = {
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{ 1, 0x08808, 0x0044d, 0x00282 },
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{ 2, 0x08808, 0x0044e, 0x00282 },
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{ 3, 0x08808, 0x0044f, 0x00282 },
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{ 4, 0x08808, 0x00460, 0x00282 },
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{ 5, 0x08808, 0x00461, 0x00282 },
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{ 6, 0x08808, 0x00462, 0x00282 },
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{ 7, 0x08808, 0x00463, 0x00282 },
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{ 8, 0x08808, 0x00464, 0x00282 },
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{ 9, 0x08808, 0x00465, 0x00282 },
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{ 10, 0x08808, 0x00466, 0x00282 },
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{ 11, 0x08808, 0x00467, 0x00282 },
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{ 12, 0x08808, 0x00468, 0x00282 },
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{ 13, 0x08808, 0x00469, 0x00282 },
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{ 14, 0x08808, 0x0046b, 0x00286 },
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{ 36, 0x08804, 0x06225, 0x00287 },
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{ 40, 0x08804, 0x06226, 0x00287 },
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{ 44, 0x08804, 0x06227, 0x00287 },
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{ 48, 0x08804, 0x06228, 0x00287 },
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{ 52, 0x08804, 0x06229, 0x00287 },
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{ 56, 0x08804, 0x0622a, 0x00287 },
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{ 60, 0x08804, 0x0622b, 0x00287 },
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{ 64, 0x08804, 0x0622c, 0x00287 },
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{ 100, 0x08804, 0x02200, 0x00283 },
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{ 104, 0x08804, 0x02201, 0x00283 },
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{ 108, 0x08804, 0x02202, 0x00283 },
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{ 112, 0x08804, 0x02203, 0x00283 },
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{ 116, 0x08804, 0x02204, 0x00283 },
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{ 120, 0x08804, 0x02205, 0x00283 },
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{ 124, 0x08804, 0x02206, 0x00283 },
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{ 128, 0x08804, 0x02207, 0x00283 },
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{ 132, 0x08804, 0x02208, 0x00283 },
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{ 136, 0x08804, 0x02209, 0x00283 },
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{ 140, 0x08804, 0x0220a, 0x00283 },
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{ 149, 0x08808, 0x02429, 0x00281 },
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{ 153, 0x08808, 0x0242b, 0x00281 },
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{ 157, 0x08808, 0x0242d, 0x00281 },
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{ 161, 0x08808, 0x0242f, 0x00281 }
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};
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static const struct usb_config ural_config[URAL_N_TRANSFER] = {
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[URAL_BULK_WR] = {
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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 = (RAL_FRAME_SIZE + RAL_TX_DESC_SIZE + 4),
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.flags = {.pipe_bof = 1,.force_short_xfer = 1,},
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.callback = ural_bulk_write_callback,
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.timeout = 5000, /* ms */
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},
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[URAL_BULK_RD] = {
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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 = (RAL_FRAME_SIZE + RAL_RX_DESC_SIZE),
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.flags = {.pipe_bof = 1,.short_xfer_ok = 1,},
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.callback = ural_bulk_read_callback,
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},
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};
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static device_probe_t ural_match;
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static device_attach_t ural_attach;
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static device_detach_t ural_detach;
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static device_method_t ural_methods[] = {
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/* Device interface */
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DEVMETHOD(device_probe, ural_match),
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DEVMETHOD(device_attach, ural_attach),
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DEVMETHOD(device_detach, ural_detach),
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{ 0, 0 }
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};
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static driver_t ural_driver = {
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.name = "ural",
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.methods = ural_methods,
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.size = sizeof(struct ural_softc),
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};
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static devclass_t ural_devclass;
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DRIVER_MODULE(ural, uhub, ural_driver, ural_devclass, NULL, 0);
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MODULE_DEPEND(ural, usb, 1, 1, 1);
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MODULE_DEPEND(ural, wlan, 1, 1, 1);
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MODULE_VERSION(ural, 1);
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static int
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ural_match(device_t self)
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{
|
|
struct usb_attach_arg *uaa = device_get_ivars(self);
|
|
|
|
if (uaa->usb_mode != USB_MODE_HOST)
|
|
return (ENXIO);
|
|
if (uaa->info.bConfigIndex != 0)
|
|
return (ENXIO);
|
|
if (uaa->info.bIfaceIndex != RAL_IFACE_INDEX)
|
|
return (ENXIO);
|
|
|
|
return (usbd_lookup_id_by_uaa(ural_devs, sizeof(ural_devs), uaa));
|
|
}
|
|
|
|
static int
|
|
ural_attach(device_t self)
|
|
{
|
|
struct usb_attach_arg *uaa = device_get_ivars(self);
|
|
struct ural_softc *sc = device_get_softc(self);
|
|
struct ifnet *ifp;
|
|
struct ieee80211com *ic;
|
|
uint8_t iface_index, bands;
|
|
int error;
|
|
|
|
device_set_usb_desc(self);
|
|
sc->sc_udev = uaa->device;
|
|
sc->sc_dev = self;
|
|
|
|
mtx_init(&sc->sc_mtx, device_get_nameunit(self),
|
|
MTX_NETWORK_LOCK, MTX_DEF);
|
|
|
|
iface_index = RAL_IFACE_INDEX;
|
|
error = usbd_transfer_setup(uaa->device,
|
|
&iface_index, sc->sc_xfer, ural_config,
|
|
URAL_N_TRANSFER, sc, &sc->sc_mtx);
|
|
if (error) {
|
|
device_printf(self, "could not allocate USB transfers, "
|
|
"err=%s\n", usbd_errstr(error));
|
|
goto detach;
|
|
}
|
|
|
|
RAL_LOCK(sc);
|
|
/* retrieve RT2570 rev. no */
|
|
sc->asic_rev = ural_read(sc, RAL_MAC_CSR0);
|
|
|
|
/* retrieve MAC address and various other things from EEPROM */
|
|
ural_read_eeprom(sc);
|
|
RAL_UNLOCK(sc);
|
|
|
|
device_printf(self, "MAC/BBP RT2570 (rev 0x%02x), RF %s\n",
|
|
sc->asic_rev, ural_get_rf(sc->rf_rev));
|
|
|
|
ifp = sc->sc_ifp = if_alloc(IFT_IEEE80211);
|
|
if (ifp == NULL) {
|
|
device_printf(sc->sc_dev, "can not if_alloc()\n");
|
|
goto detach;
|
|
}
|
|
ic = ifp->if_l2com;
|
|
|
|
ifp->if_softc = sc;
|
|
if_initname(ifp, "ural", device_get_unit(sc->sc_dev));
|
|
ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST;
|
|
ifp->if_init = ural_init;
|
|
ifp->if_ioctl = ural_ioctl;
|
|
ifp->if_start = ural_start;
|
|
IFQ_SET_MAXLEN(&ifp->if_snd, ifqmaxlen);
|
|
ifp->if_snd.ifq_drv_maxlen = ifqmaxlen;
|
|
IFQ_SET_READY(&ifp->if_snd);
|
|
|
|
ic->ic_ifp = ifp;
|
|
ic->ic_phytype = IEEE80211_T_OFDM; /* not only, but not used */
|
|
|
|
/* set device capabilities */
|
|
ic->ic_caps =
|
|
IEEE80211_C_STA /* station mode supported */
|
|
| IEEE80211_C_IBSS /* IBSS mode supported */
|
|
| IEEE80211_C_MONITOR /* monitor mode supported */
|
|
| IEEE80211_C_HOSTAP /* HostAp mode supported */
|
|
| IEEE80211_C_TXPMGT /* tx power management */
|
|
| IEEE80211_C_SHPREAMBLE /* short preamble supported */
|
|
| IEEE80211_C_SHSLOT /* short slot time supported */
|
|
| IEEE80211_C_BGSCAN /* bg scanning supported */
|
|
| IEEE80211_C_WPA /* 802.11i */
|
|
;
|
|
|
|
bands = 0;
|
|
setbit(&bands, IEEE80211_MODE_11B);
|
|
setbit(&bands, IEEE80211_MODE_11G);
|
|
if (sc->rf_rev == RAL_RF_5222)
|
|
setbit(&bands, IEEE80211_MODE_11A);
|
|
ieee80211_init_channels(ic, NULL, &bands);
|
|
|
|
ieee80211_ifattach(ic, sc->sc_bssid);
|
|
ic->ic_update_promisc = ural_update_promisc;
|
|
ic->ic_raw_xmit = ural_raw_xmit;
|
|
ic->ic_scan_start = ural_scan_start;
|
|
ic->ic_scan_end = ural_scan_end;
|
|
ic->ic_set_channel = ural_set_channel;
|
|
|
|
ic->ic_vap_create = ural_vap_create;
|
|
ic->ic_vap_delete = ural_vap_delete;
|
|
|
|
ieee80211_radiotap_attach(ic,
|
|
&sc->sc_txtap.wt_ihdr, sizeof(sc->sc_txtap),
|
|
RAL_TX_RADIOTAP_PRESENT,
|
|
&sc->sc_rxtap.wr_ihdr, sizeof(sc->sc_rxtap),
|
|
RAL_RX_RADIOTAP_PRESENT);
|
|
|
|
if (bootverbose)
|
|
ieee80211_announce(ic);
|
|
|
|
return (0);
|
|
|
|
detach:
|
|
ural_detach(self);
|
|
return (ENXIO); /* failure */
|
|
}
|
|
|
|
static int
|
|
ural_detach(device_t self)
|
|
{
|
|
struct ural_softc *sc = device_get_softc(self);
|
|
struct ifnet *ifp = sc->sc_ifp;
|
|
struct ieee80211com *ic;
|
|
|
|
/* stop all USB transfers */
|
|
usbd_transfer_unsetup(sc->sc_xfer, URAL_N_TRANSFER);
|
|
|
|
/* free TX list, if any */
|
|
RAL_LOCK(sc);
|
|
ural_unsetup_tx_list(sc);
|
|
RAL_UNLOCK(sc);
|
|
|
|
if (ifp) {
|
|
ic = ifp->if_l2com;
|
|
ieee80211_ifdetach(ic);
|
|
if_free(ifp);
|
|
}
|
|
mtx_destroy(&sc->sc_mtx);
|
|
|
|
return (0);
|
|
}
|
|
|
|
static usb_error_t
|
|
ural_do_request(struct ural_softc *sc,
|
|
struct usb_device_request *req, void *data)
|
|
{
|
|
usb_error_t err;
|
|
int ntries = 10;
|
|
|
|
while (ntries--) {
|
|
err = usbd_do_request_flags(sc->sc_udev, &sc->sc_mtx,
|
|
req, data, 0, NULL, 250 /* ms */);
|
|
if (err == 0)
|
|
break;
|
|
|
|
DPRINTFN(1, "Control request failed, %s (retrying)\n",
|
|
usbd_errstr(err));
|
|
if (ural_pause(sc, hz / 100))
|
|
break;
|
|
}
|
|
return (err);
|
|
}
|
|
|
|
static struct ieee80211vap *
|
|
ural_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 ural_softc *sc = ic->ic_ifp->if_softc;
|
|
struct ural_vap *uvp;
|
|
struct ieee80211vap *vap;
|
|
|
|
if (!TAILQ_EMPTY(&ic->ic_vaps)) /* only one at a time */
|
|
return NULL;
|
|
uvp = (struct ural_vap *) malloc(sizeof(struct ural_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 = ural_newstate;
|
|
|
|
usb_callout_init_mtx(&uvp->ratectl_ch, &sc->sc_mtx, 0);
|
|
TASK_INIT(&uvp->ratectl_task, 0, ural_ratectl_task, uvp);
|
|
ieee80211_ratectl_init(vap);
|
|
ieee80211_ratectl_setinterval(vap, 1000 /* 1 sec */);
|
|
|
|
/* complete setup */
|
|
ieee80211_vap_attach(vap, ieee80211_media_change, ieee80211_media_status);
|
|
ic->ic_opmode = opmode;
|
|
return vap;
|
|
}
|
|
|
|
static void
|
|
ural_vap_delete(struct ieee80211vap *vap)
|
|
{
|
|
struct ural_vap *uvp = URAL_VAP(vap);
|
|
struct ieee80211com *ic = vap->iv_ic;
|
|
|
|
usb_callout_drain(&uvp->ratectl_ch);
|
|
ieee80211_draintask(ic, &uvp->ratectl_task);
|
|
ieee80211_ratectl_deinit(vap);
|
|
ieee80211_vap_detach(vap);
|
|
free(uvp, M_80211_VAP);
|
|
}
|
|
|
|
static void
|
|
ural_tx_free(struct ural_tx_data *data, int txerr)
|
|
{
|
|
struct ural_softc *sc = data->sc;
|
|
|
|
if (data->m != NULL) {
|
|
if (data->m->m_flags & M_TXCB)
|
|
ieee80211_process_callback(data->ni, data->m,
|
|
txerr ? ETIMEDOUT : 0);
|
|
m_freem(data->m);
|
|
data->m = NULL;
|
|
|
|
ieee80211_free_node(data->ni);
|
|
data->ni = NULL;
|
|
}
|
|
STAILQ_INSERT_TAIL(&sc->tx_free, data, next);
|
|
sc->tx_nfree++;
|
|
}
|
|
|
|
static void
|
|
ural_setup_tx_list(struct ural_softc *sc)
|
|
{
|
|
struct ural_tx_data *data;
|
|
int i;
|
|
|
|
sc->tx_nfree = 0;
|
|
STAILQ_INIT(&sc->tx_q);
|
|
STAILQ_INIT(&sc->tx_free);
|
|
|
|
for (i = 0; i < RAL_TX_LIST_COUNT; i++) {
|
|
data = &sc->tx_data[i];
|
|
|
|
data->sc = sc;
|
|
STAILQ_INSERT_TAIL(&sc->tx_free, data, next);
|
|
sc->tx_nfree++;
|
|
}
|
|
}
|
|
|
|
static void
|
|
ural_unsetup_tx_list(struct ural_softc *sc)
|
|
{
|
|
struct ural_tx_data *data;
|
|
int i;
|
|
|
|
/* make sure any subsequent use of the queues will fail */
|
|
sc->tx_nfree = 0;
|
|
STAILQ_INIT(&sc->tx_q);
|
|
STAILQ_INIT(&sc->tx_free);
|
|
|
|
/* free up all node references and mbufs */
|
|
for (i = 0; i < RAL_TX_LIST_COUNT; i++) {
|
|
data = &sc->tx_data[i];
|
|
|
|
if (data->m != NULL) {
|
|
m_freem(data->m);
|
|
data->m = NULL;
|
|
}
|
|
if (data->ni != NULL) {
|
|
ieee80211_free_node(data->ni);
|
|
data->ni = NULL;
|
|
}
|
|
}
|
|
}
|
|
|
|
static int
|
|
ural_newstate(struct ieee80211vap *vap, enum ieee80211_state nstate, int arg)
|
|
{
|
|
struct ural_vap *uvp = URAL_VAP(vap);
|
|
struct ieee80211com *ic = vap->iv_ic;
|
|
struct ural_softc *sc = ic->ic_ifp->if_softc;
|
|
const struct ieee80211_txparam *tp;
|
|
struct ieee80211_node *ni;
|
|
struct mbuf *m;
|
|
|
|
DPRINTF("%s -> %s\n",
|
|
ieee80211_state_name[vap->iv_state],
|
|
ieee80211_state_name[nstate]);
|
|
|
|
IEEE80211_UNLOCK(ic);
|
|
RAL_LOCK(sc);
|
|
usb_callout_stop(&uvp->ratectl_ch);
|
|
|
|
switch (nstate) {
|
|
case IEEE80211_S_INIT:
|
|
if (vap->iv_state == IEEE80211_S_RUN) {
|
|
/* abort TSF synchronization */
|
|
ural_write(sc, RAL_TXRX_CSR19, 0);
|
|
|
|
/* force tx led to stop blinking */
|
|
ural_write(sc, RAL_MAC_CSR20, 0);
|
|
}
|
|
break;
|
|
|
|
case IEEE80211_S_RUN:
|
|
ni = ieee80211_ref_node(vap->iv_bss);
|
|
|
|
if (vap->iv_opmode != IEEE80211_M_MONITOR) {
|
|
ural_update_slot(ic->ic_ifp);
|
|
ural_set_txpreamble(sc);
|
|
ural_set_basicrates(sc, ic->ic_bsschan);
|
|
IEEE80211_ADDR_COPY(sc->sc_bssid, ni->ni_bssid);
|
|
ural_set_bssid(sc, sc->sc_bssid);
|
|
}
|
|
|
|
if (vap->iv_opmode == IEEE80211_M_HOSTAP ||
|
|
vap->iv_opmode == IEEE80211_M_IBSS) {
|
|
m = ieee80211_beacon_alloc(ni, &uvp->bo);
|
|
if (m == NULL) {
|
|
device_printf(sc->sc_dev,
|
|
"could not allocate beacon\n");
|
|
RAL_UNLOCK(sc);
|
|
IEEE80211_LOCK(ic);
|
|
ieee80211_free_node(ni);
|
|
return (-1);
|
|
}
|
|
ieee80211_ref_node(ni);
|
|
if (ural_tx_bcn(sc, m, ni) != 0) {
|
|
device_printf(sc->sc_dev,
|
|
"could not send beacon\n");
|
|
RAL_UNLOCK(sc);
|
|
IEEE80211_LOCK(ic);
|
|
ieee80211_free_node(ni);
|
|
return (-1);
|
|
}
|
|
}
|
|
|
|
/* make tx led blink on tx (controlled by ASIC) */
|
|
ural_write(sc, RAL_MAC_CSR20, 1);
|
|
|
|
if (vap->iv_opmode != IEEE80211_M_MONITOR)
|
|
ural_enable_tsf_sync(sc);
|
|
else
|
|
ural_enable_tsf(sc);
|
|
|
|
/* enable automatic rate adaptation */
|
|
/* XXX should use ic_bsschan but not valid until after newstate call below */
|
|
tp = &vap->iv_txparms[ieee80211_chan2mode(ic->ic_curchan)];
|
|
if (tp->ucastrate == IEEE80211_FIXED_RATE_NONE)
|
|
ural_ratectl_start(sc, ni);
|
|
ieee80211_free_node(ni);
|
|
break;
|
|
|
|
default:
|
|
break;
|
|
}
|
|
RAL_UNLOCK(sc);
|
|
IEEE80211_LOCK(ic);
|
|
return (uvp->newstate(vap, nstate, arg));
|
|
}
|
|
|
|
|
|
static void
|
|
ural_bulk_write_callback(struct usb_xfer *xfer, usb_error_t error)
|
|
{
|
|
struct ural_softc *sc = usbd_xfer_softc(xfer);
|
|
struct ifnet *ifp = sc->sc_ifp;
|
|
struct ieee80211vap *vap;
|
|
struct ural_tx_data *data;
|
|
struct mbuf *m;
|
|
struct usb_page_cache *pc;
|
|
int len;
|
|
|
|
usbd_xfer_status(xfer, &len, NULL, NULL, NULL);
|
|
|
|
switch (USB_GET_STATE(xfer)) {
|
|
case USB_ST_TRANSFERRED:
|
|
DPRINTFN(11, "transfer complete, %d bytes\n", len);
|
|
|
|
/* free resources */
|
|
data = usbd_xfer_get_priv(xfer);
|
|
ural_tx_free(data, 0);
|
|
usbd_xfer_set_priv(xfer, NULL);
|
|
|
|
ifp->if_opackets++;
|
|
ifp->if_drv_flags &= ~IFF_DRV_OACTIVE;
|
|
|
|
/* FALLTHROUGH */
|
|
case USB_ST_SETUP:
|
|
tr_setup:
|
|
data = STAILQ_FIRST(&sc->tx_q);
|
|
if (data) {
|
|
STAILQ_REMOVE_HEAD(&sc->tx_q, next);
|
|
m = data->m;
|
|
|
|
if (m->m_pkthdr.len > (RAL_FRAME_SIZE + RAL_TX_DESC_SIZE)) {
|
|
DPRINTFN(0, "data overflow, %u bytes\n",
|
|
m->m_pkthdr.len);
|
|
m->m_pkthdr.len = (RAL_FRAME_SIZE + RAL_TX_DESC_SIZE);
|
|
}
|
|
pc = usbd_xfer_get_frame(xfer, 0);
|
|
usbd_copy_in(pc, 0, &data->desc, RAL_TX_DESC_SIZE);
|
|
usbd_m_copy_in(pc, RAL_TX_DESC_SIZE, m, 0,
|
|
m->m_pkthdr.len);
|
|
|
|
vap = data->ni->ni_vap;
|
|
if (ieee80211_radiotap_active_vap(vap)) {
|
|
struct ural_tx_radiotap_header *tap = &sc->sc_txtap;
|
|
|
|
tap->wt_flags = 0;
|
|
tap->wt_rate = data->rate;
|
|
tap->wt_antenna = sc->tx_ant;
|
|
|
|
ieee80211_radiotap_tx(vap, m);
|
|
}
|
|
|
|
/* xfer length needs to be a multiple of two! */
|
|
len = (RAL_TX_DESC_SIZE + m->m_pkthdr.len + 1) & ~1;
|
|
if ((len % 64) == 0)
|
|
len += 2;
|
|
|
|
DPRINTFN(11, "sending frame len=%u xferlen=%u\n",
|
|
m->m_pkthdr.len, len);
|
|
|
|
usbd_xfer_set_frame_len(xfer, 0, len);
|
|
usbd_xfer_set_priv(xfer, data);
|
|
|
|
usbd_transfer_submit(xfer);
|
|
}
|
|
RAL_UNLOCK(sc);
|
|
ural_start(ifp);
|
|
RAL_LOCK(sc);
|
|
break;
|
|
|
|
default: /* Error */
|
|
DPRINTFN(11, "transfer error, %s\n",
|
|
usbd_errstr(error));
|
|
|
|
ifp->if_oerrors++;
|
|
data = usbd_xfer_get_priv(xfer);
|
|
if (data != NULL) {
|
|
ural_tx_free(data, error);
|
|
usbd_xfer_set_priv(xfer, NULL);
|
|
}
|
|
|
|
if (error == USB_ERR_STALLED) {
|
|
/* try to clear stall first */
|
|
usbd_xfer_set_stall(xfer);
|
|
goto tr_setup;
|
|
}
|
|
if (error == USB_ERR_TIMEOUT)
|
|
device_printf(sc->sc_dev, "device timeout\n");
|
|
break;
|
|
}
|
|
}
|
|
|
|
static void
|
|
ural_bulk_read_callback(struct usb_xfer *xfer, usb_error_t error)
|
|
{
|
|
struct ural_softc *sc = usbd_xfer_softc(xfer);
|
|
struct ifnet *ifp = sc->sc_ifp;
|
|
struct ieee80211com *ic = ifp->if_l2com;
|
|
struct ieee80211_node *ni;
|
|
struct mbuf *m = NULL;
|
|
struct usb_page_cache *pc;
|
|
uint32_t flags;
|
|
int8_t rssi = 0, nf = 0;
|
|
int len;
|
|
|
|
usbd_xfer_status(xfer, &len, NULL, NULL, NULL);
|
|
|
|
switch (USB_GET_STATE(xfer)) {
|
|
case USB_ST_TRANSFERRED:
|
|
|
|
DPRINTFN(15, "rx done, actlen=%d\n", len);
|
|
|
|
if (len < RAL_RX_DESC_SIZE + IEEE80211_MIN_LEN) {
|
|
DPRINTF("%s: xfer too short %d\n",
|
|
device_get_nameunit(sc->sc_dev), len);
|
|
ifp->if_ierrors++;
|
|
goto tr_setup;
|
|
}
|
|
|
|
len -= RAL_RX_DESC_SIZE;
|
|
/* rx descriptor is located at the end */
|
|
pc = usbd_xfer_get_frame(xfer, 0);
|
|
usbd_copy_out(pc, len, &sc->sc_rx_desc, RAL_RX_DESC_SIZE);
|
|
|
|
rssi = URAL_RSSI(sc->sc_rx_desc.rssi);
|
|
nf = RAL_NOISE_FLOOR;
|
|
flags = le32toh(sc->sc_rx_desc.flags);
|
|
if (flags & (RAL_RX_PHY_ERROR | RAL_RX_CRC_ERROR)) {
|
|
/*
|
|
* This should not happen since we did not
|
|
* request to receive those frames when we
|
|
* filled RAL_TXRX_CSR2:
|
|
*/
|
|
DPRINTFN(5, "PHY or CRC error\n");
|
|
ifp->if_ierrors++;
|
|
goto tr_setup;
|
|
}
|
|
|
|
m = m_getcl(M_DONTWAIT, MT_DATA, M_PKTHDR);
|
|
if (m == NULL) {
|
|
DPRINTF("could not allocate mbuf\n");
|
|
ifp->if_ierrors++;
|
|
goto tr_setup;
|
|
}
|
|
usbd_copy_out(pc, 0, mtod(m, uint8_t *), len);
|
|
|
|
/* finalize mbuf */
|
|
m->m_pkthdr.rcvif = ifp;
|
|
m->m_pkthdr.len = m->m_len = (flags >> 16) & 0xfff;
|
|
|
|
if (ieee80211_radiotap_active(ic)) {
|
|
struct ural_rx_radiotap_header *tap = &sc->sc_rxtap;
|
|
|
|
/* XXX set once */
|
|
tap->wr_flags = 0;
|
|
tap->wr_rate = ieee80211_plcp2rate(sc->sc_rx_desc.rate,
|
|
(flags & RAL_RX_OFDM) ?
|
|
IEEE80211_T_OFDM : IEEE80211_T_CCK);
|
|
tap->wr_antenna = sc->rx_ant;
|
|
tap->wr_antsignal = nf + rssi;
|
|
tap->wr_antnoise = nf;
|
|
}
|
|
/* Strip trailing 802.11 MAC FCS. */
|
|
m_adj(m, -IEEE80211_CRC_LEN);
|
|
|
|
/* FALLTHROUGH */
|
|
case USB_ST_SETUP:
|
|
tr_setup:
|
|
usbd_xfer_set_frame_len(xfer, 0, usbd_xfer_max_len(xfer));
|
|
usbd_transfer_submit(xfer);
|
|
|
|
/*
|
|
* At the end of a USB callback it is always safe to unlock
|
|
* the private mutex of a device! That is why we do the
|
|
* "ieee80211_input" here, and not some lines up!
|
|
*/
|
|
RAL_UNLOCK(sc);
|
|
if (m) {
|
|
ni = ieee80211_find_rxnode(ic,
|
|
mtod(m, struct ieee80211_frame_min *));
|
|
if (ni != NULL) {
|
|
(void) ieee80211_input(ni, m, rssi, nf);
|
|
ieee80211_free_node(ni);
|
|
} else
|
|
(void) ieee80211_input_all(ic, m, rssi, nf);
|
|
}
|
|
if ((ifp->if_drv_flags & IFF_DRV_OACTIVE) == 0 &&
|
|
!IFQ_IS_EMPTY(&ifp->if_snd))
|
|
ural_start(ifp);
|
|
RAL_LOCK(sc);
|
|
return;
|
|
|
|
default: /* Error */
|
|
if (error != USB_ERR_CANCELLED) {
|
|
/* try to clear stall first */
|
|
usbd_xfer_set_stall(xfer);
|
|
goto tr_setup;
|
|
}
|
|
return;
|
|
}
|
|
}
|
|
|
|
static uint8_t
|
|
ural_plcp_signal(int rate)
|
|
{
|
|
switch (rate) {
|
|
/* OFDM rates (cf IEEE Std 802.11a-1999, pp. 14 Table 80) */
|
|
case 12: return 0xb;
|
|
case 18: return 0xf;
|
|
case 24: return 0xa;
|
|
case 36: return 0xe;
|
|
case 48: return 0x9;
|
|
case 72: return 0xd;
|
|
case 96: return 0x8;
|
|
case 108: return 0xc;
|
|
|
|
/* CCK rates (NB: not IEEE std, device-specific) */
|
|
case 2: return 0x0;
|
|
case 4: return 0x1;
|
|
case 11: return 0x2;
|
|
case 22: return 0x3;
|
|
}
|
|
return 0xff; /* XXX unsupported/unknown rate */
|
|
}
|
|
|
|
static void
|
|
ural_setup_tx_desc(struct ural_softc *sc, struct ural_tx_desc *desc,
|
|
uint32_t flags, int len, int rate)
|
|
{
|
|
struct ifnet *ifp = sc->sc_ifp;
|
|
struct ieee80211com *ic = ifp->if_l2com;
|
|
uint16_t plcp_length;
|
|
int remainder;
|
|
|
|
desc->flags = htole32(flags);
|
|
desc->flags |= htole32(RAL_TX_NEWSEQ);
|
|
desc->flags |= htole32(len << 16);
|
|
|
|
desc->wme = htole16(RAL_AIFSN(2) | RAL_LOGCWMIN(3) | RAL_LOGCWMAX(5));
|
|
desc->wme |= htole16(RAL_IVOFFSET(sizeof (struct ieee80211_frame)));
|
|
|
|
/* setup PLCP fields */
|
|
desc->plcp_signal = ural_plcp_signal(rate);
|
|
desc->plcp_service = 4;
|
|
|
|
len += IEEE80211_CRC_LEN;
|
|
if (ieee80211_rate2phytype(ic->ic_rt, rate) == IEEE80211_T_OFDM) {
|
|
desc->flags |= htole32(RAL_TX_OFDM);
|
|
|
|
plcp_length = len & 0xfff;
|
|
desc->plcp_length_hi = plcp_length >> 6;
|
|
desc->plcp_length_lo = plcp_length & 0x3f;
|
|
} else {
|
|
plcp_length = (16 * len + rate - 1) / rate;
|
|
if (rate == 22) {
|
|
remainder = (16 * len) % 22;
|
|
if (remainder != 0 && remainder < 7)
|
|
desc->plcp_service |= RAL_PLCP_LENGEXT;
|
|
}
|
|
desc->plcp_length_hi = plcp_length >> 8;
|
|
desc->plcp_length_lo = plcp_length & 0xff;
|
|
|
|
if (rate != 2 && (ic->ic_flags & IEEE80211_F_SHPREAMBLE))
|
|
desc->plcp_signal |= 0x08;
|
|
}
|
|
|
|
desc->iv = 0;
|
|
desc->eiv = 0;
|
|
}
|
|
|
|
#define RAL_TX_TIMEOUT 5000
|
|
|
|
static int
|
|
ural_tx_bcn(struct ural_softc *sc, struct mbuf *m0, struct ieee80211_node *ni)
|
|
{
|
|
struct ieee80211vap *vap = ni->ni_vap;
|
|
struct ieee80211com *ic = ni->ni_ic;
|
|
struct ifnet *ifp = sc->sc_ifp;
|
|
const struct ieee80211_txparam *tp;
|
|
struct ural_tx_data *data;
|
|
|
|
if (sc->tx_nfree == 0) {
|
|
ifp->if_drv_flags |= IFF_DRV_OACTIVE;
|
|
m_freem(m0);
|
|
ieee80211_free_node(ni);
|
|
return EIO;
|
|
}
|
|
data = STAILQ_FIRST(&sc->tx_free);
|
|
STAILQ_REMOVE_HEAD(&sc->tx_free, next);
|
|
sc->tx_nfree--;
|
|
tp = &vap->iv_txparms[ieee80211_chan2mode(ic->ic_bsschan)];
|
|
|
|
data->m = m0;
|
|
data->ni = ni;
|
|
data->rate = tp->mgmtrate;
|
|
|
|
ural_setup_tx_desc(sc, &data->desc,
|
|
RAL_TX_IFS_NEWBACKOFF | RAL_TX_TIMESTAMP, m0->m_pkthdr.len,
|
|
tp->mgmtrate);
|
|
|
|
DPRINTFN(10, "sending beacon frame len=%u rate=%u\n",
|
|
m0->m_pkthdr.len, tp->mgmtrate);
|
|
|
|
STAILQ_INSERT_TAIL(&sc->tx_q, data, next);
|
|
usbd_transfer_start(sc->sc_xfer[URAL_BULK_WR]);
|
|
|
|
return (0);
|
|
}
|
|
|
|
static int
|
|
ural_tx_mgt(struct ural_softc *sc, struct mbuf *m0, struct ieee80211_node *ni)
|
|
{
|
|
struct ieee80211vap *vap = ni->ni_vap;
|
|
struct ieee80211com *ic = ni->ni_ic;
|
|
const struct ieee80211_txparam *tp;
|
|
struct ural_tx_data *data;
|
|
struct ieee80211_frame *wh;
|
|
struct ieee80211_key *k;
|
|
uint32_t flags;
|
|
uint16_t dur;
|
|
|
|
RAL_LOCK_ASSERT(sc, MA_OWNED);
|
|
|
|
data = STAILQ_FIRST(&sc->tx_free);
|
|
STAILQ_REMOVE_HEAD(&sc->tx_free, next);
|
|
sc->tx_nfree--;
|
|
|
|
tp = &vap->iv_txparms[ieee80211_chan2mode(ic->ic_curchan)];
|
|
|
|
wh = mtod(m0, struct ieee80211_frame *);
|
|
if (wh->i_fc[1] & IEEE80211_FC1_WEP) {
|
|
k = ieee80211_crypto_encap(ni, m0);
|
|
if (k == NULL) {
|
|
m_freem(m0);
|
|
return ENOBUFS;
|
|
}
|
|
wh = mtod(m0, struct ieee80211_frame *);
|
|
}
|
|
|
|
data->m = m0;
|
|
data->ni = ni;
|
|
data->rate = tp->mgmtrate;
|
|
|
|
flags = 0;
|
|
if (!IEEE80211_IS_MULTICAST(wh->i_addr1)) {
|
|
flags |= RAL_TX_ACK;
|
|
|
|
dur = ieee80211_ack_duration(ic->ic_rt, tp->mgmtrate,
|
|
ic->ic_flags & IEEE80211_F_SHPREAMBLE);
|
|
*(uint16_t *)wh->i_dur = htole16(dur);
|
|
|
|
/* tell hardware to add timestamp for probe responses */
|
|
if ((wh->i_fc[0] & IEEE80211_FC0_TYPE_MASK) ==
|
|
IEEE80211_FC0_TYPE_MGT &&
|
|
(wh->i_fc[0] & IEEE80211_FC0_SUBTYPE_MASK) ==
|
|
IEEE80211_FC0_SUBTYPE_PROBE_RESP)
|
|
flags |= RAL_TX_TIMESTAMP;
|
|
}
|
|
|
|
ural_setup_tx_desc(sc, &data->desc, flags, m0->m_pkthdr.len, tp->mgmtrate);
|
|
|
|
DPRINTFN(10, "sending mgt frame len=%u rate=%u\n",
|
|
m0->m_pkthdr.len, tp->mgmtrate);
|
|
|
|
STAILQ_INSERT_TAIL(&sc->tx_q, data, next);
|
|
usbd_transfer_start(sc->sc_xfer[URAL_BULK_WR]);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int
|
|
ural_sendprot(struct ural_softc *sc,
|
|
const struct mbuf *m, struct ieee80211_node *ni, int prot, int rate)
|
|
{
|
|
struct ieee80211com *ic = ni->ni_ic;
|
|
const struct ieee80211_frame *wh;
|
|
struct ural_tx_data *data;
|
|
struct mbuf *mprot;
|
|
int protrate, ackrate, pktlen, flags, isshort;
|
|
uint16_t dur;
|
|
|
|
KASSERT(prot == IEEE80211_PROT_RTSCTS || prot == IEEE80211_PROT_CTSONLY,
|
|
("protection %d", prot));
|
|
|
|
wh = mtod(m, const struct ieee80211_frame *);
|
|
pktlen = m->m_pkthdr.len + IEEE80211_CRC_LEN;
|
|
|
|
protrate = ieee80211_ctl_rate(ic->ic_rt, rate);
|
|
ackrate = ieee80211_ack_rate(ic->ic_rt, rate);
|
|
|
|
isshort = (ic->ic_flags & IEEE80211_F_SHPREAMBLE) != 0;
|
|
dur = ieee80211_compute_duration(ic->ic_rt, pktlen, rate, isshort)
|
|
+ ieee80211_ack_duration(ic->ic_rt, rate, isshort);
|
|
flags = RAL_TX_RETRY(7);
|
|
if (prot == IEEE80211_PROT_RTSCTS) {
|
|
/* NB: CTS is the same size as an ACK */
|
|
dur += ieee80211_ack_duration(ic->ic_rt, rate, isshort);
|
|
flags |= RAL_TX_ACK;
|
|
mprot = ieee80211_alloc_rts(ic, wh->i_addr1, wh->i_addr2, dur);
|
|
} else {
|
|
mprot = ieee80211_alloc_cts(ic, ni->ni_vap->iv_myaddr, dur);
|
|
}
|
|
if (mprot == NULL) {
|
|
/* XXX stat + msg */
|
|
return ENOBUFS;
|
|
}
|
|
data = STAILQ_FIRST(&sc->tx_free);
|
|
STAILQ_REMOVE_HEAD(&sc->tx_free, next);
|
|
sc->tx_nfree--;
|
|
|
|
data->m = mprot;
|
|
data->ni = ieee80211_ref_node(ni);
|
|
data->rate = protrate;
|
|
ural_setup_tx_desc(sc, &data->desc, flags, mprot->m_pkthdr.len, protrate);
|
|
|
|
STAILQ_INSERT_TAIL(&sc->tx_q, data, next);
|
|
usbd_transfer_start(sc->sc_xfer[URAL_BULK_WR]);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int
|
|
ural_tx_raw(struct ural_softc *sc, struct mbuf *m0, struct ieee80211_node *ni,
|
|
const struct ieee80211_bpf_params *params)
|
|
{
|
|
struct ieee80211com *ic = ni->ni_ic;
|
|
struct ural_tx_data *data;
|
|
uint32_t flags;
|
|
int error;
|
|
int rate;
|
|
|
|
RAL_LOCK_ASSERT(sc, MA_OWNED);
|
|
KASSERT(params != NULL, ("no raw xmit params"));
|
|
|
|
rate = params->ibp_rate0;
|
|
if (!ieee80211_isratevalid(ic->ic_rt, rate)) {
|
|
m_freem(m0);
|
|
return EINVAL;
|
|
}
|
|
flags = 0;
|
|
if ((params->ibp_flags & IEEE80211_BPF_NOACK) == 0)
|
|
flags |= RAL_TX_ACK;
|
|
if (params->ibp_flags & (IEEE80211_BPF_RTS|IEEE80211_BPF_CTS)) {
|
|
error = ural_sendprot(sc, m0, ni,
|
|
params->ibp_flags & IEEE80211_BPF_RTS ?
|
|
IEEE80211_PROT_RTSCTS : IEEE80211_PROT_CTSONLY,
|
|
rate);
|
|
if (error || sc->tx_nfree == 0) {
|
|
m_freem(m0);
|
|
return ENOBUFS;
|
|
}
|
|
flags |= RAL_TX_IFS_SIFS;
|
|
}
|
|
|
|
data = STAILQ_FIRST(&sc->tx_free);
|
|
STAILQ_REMOVE_HEAD(&sc->tx_free, next);
|
|
sc->tx_nfree--;
|
|
|
|
data->m = m0;
|
|
data->ni = ni;
|
|
data->rate = rate;
|
|
|
|
/* XXX need to setup descriptor ourself */
|
|
ural_setup_tx_desc(sc, &data->desc, flags, m0->m_pkthdr.len, rate);
|
|
|
|
DPRINTFN(10, "sending raw frame len=%u rate=%u\n",
|
|
m0->m_pkthdr.len, rate);
|
|
|
|
STAILQ_INSERT_TAIL(&sc->tx_q, data, next);
|
|
usbd_transfer_start(sc->sc_xfer[URAL_BULK_WR]);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int
|
|
ural_tx_data(struct ural_softc *sc, struct mbuf *m0, struct ieee80211_node *ni)
|
|
{
|
|
struct ieee80211vap *vap = ni->ni_vap;
|
|
struct ieee80211com *ic = ni->ni_ic;
|
|
struct ural_tx_data *data;
|
|
struct ieee80211_frame *wh;
|
|
const struct ieee80211_txparam *tp;
|
|
struct ieee80211_key *k;
|
|
uint32_t flags = 0;
|
|
uint16_t dur;
|
|
int error, rate;
|
|
|
|
RAL_LOCK_ASSERT(sc, MA_OWNED);
|
|
|
|
wh = mtod(m0, struct ieee80211_frame *);
|
|
|
|
tp = &vap->iv_txparms[ieee80211_chan2mode(ni->ni_chan)];
|
|
if (IEEE80211_IS_MULTICAST(wh->i_addr1))
|
|
rate = tp->mcastrate;
|
|
else if (tp->ucastrate != IEEE80211_FIXED_RATE_NONE)
|
|
rate = tp->ucastrate;
|
|
else
|
|
rate = ni->ni_txrate;
|
|
|
|
if (wh->i_fc[1] & IEEE80211_FC1_WEP) {
|
|
k = ieee80211_crypto_encap(ni, m0);
|
|
if (k == NULL) {
|
|
m_freem(m0);
|
|
return ENOBUFS;
|
|
}
|
|
/* packet header may have moved, reset our local pointer */
|
|
wh = mtod(m0, struct ieee80211_frame *);
|
|
}
|
|
|
|
if (!IEEE80211_IS_MULTICAST(wh->i_addr1)) {
|
|
int prot = IEEE80211_PROT_NONE;
|
|
if (m0->m_pkthdr.len + IEEE80211_CRC_LEN > vap->iv_rtsthreshold)
|
|
prot = IEEE80211_PROT_RTSCTS;
|
|
else if ((ic->ic_flags & IEEE80211_F_USEPROT) &&
|
|
ieee80211_rate2phytype(ic->ic_rt, rate) == IEEE80211_T_OFDM)
|
|
prot = ic->ic_protmode;
|
|
if (prot != IEEE80211_PROT_NONE) {
|
|
error = ural_sendprot(sc, m0, ni, prot, rate);
|
|
if (error || sc->tx_nfree == 0) {
|
|
m_freem(m0);
|
|
return ENOBUFS;
|
|
}
|
|
flags |= RAL_TX_IFS_SIFS;
|
|
}
|
|
}
|
|
|
|
data = STAILQ_FIRST(&sc->tx_free);
|
|
STAILQ_REMOVE_HEAD(&sc->tx_free, next);
|
|
sc->tx_nfree--;
|
|
|
|
data->m = m0;
|
|
data->ni = ni;
|
|
data->rate = rate;
|
|
|
|
if (!IEEE80211_IS_MULTICAST(wh->i_addr1)) {
|
|
flags |= RAL_TX_ACK;
|
|
flags |= RAL_TX_RETRY(7);
|
|
|
|
dur = ieee80211_ack_duration(ic->ic_rt, rate,
|
|
ic->ic_flags & IEEE80211_F_SHPREAMBLE);
|
|
*(uint16_t *)wh->i_dur = htole16(dur);
|
|
}
|
|
|
|
ural_setup_tx_desc(sc, &data->desc, flags, m0->m_pkthdr.len, rate);
|
|
|
|
DPRINTFN(10, "sending data frame len=%u rate=%u\n",
|
|
m0->m_pkthdr.len, rate);
|
|
|
|
STAILQ_INSERT_TAIL(&sc->tx_q, data, next);
|
|
usbd_transfer_start(sc->sc_xfer[URAL_BULK_WR]);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static void
|
|
ural_start(struct ifnet *ifp)
|
|
{
|
|
struct ural_softc *sc = ifp->if_softc;
|
|
struct ieee80211_node *ni;
|
|
struct mbuf *m;
|
|
|
|
RAL_LOCK(sc);
|
|
if ((ifp->if_drv_flags & IFF_DRV_RUNNING) == 0) {
|
|
RAL_UNLOCK(sc);
|
|
return;
|
|
}
|
|
for (;;) {
|
|
IFQ_DRV_DEQUEUE(&ifp->if_snd, m);
|
|
if (m == NULL)
|
|
break;
|
|
if (sc->tx_nfree < RAL_TX_MINFREE) {
|
|
IFQ_DRV_PREPEND(&ifp->if_snd, m);
|
|
ifp->if_drv_flags |= IFF_DRV_OACTIVE;
|
|
break;
|
|
}
|
|
ni = (struct ieee80211_node *) m->m_pkthdr.rcvif;
|
|
if (ural_tx_data(sc, m, ni) != 0) {
|
|
ieee80211_free_node(ni);
|
|
ifp->if_oerrors++;
|
|
break;
|
|
}
|
|
}
|
|
RAL_UNLOCK(sc);
|
|
}
|
|
|
|
static int
|
|
ural_ioctl(struct ifnet *ifp, u_long cmd, caddr_t data)
|
|
{
|
|
struct ural_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:
|
|
RAL_LOCK(sc);
|
|
if (ifp->if_flags & IFF_UP) {
|
|
if ((ifp->if_drv_flags & IFF_DRV_RUNNING) == 0) {
|
|
ural_init_locked(sc);
|
|
startall = 1;
|
|
} else
|
|
ural_setpromisc(sc);
|
|
} else {
|
|
if (ifp->if_drv_flags & IFF_DRV_RUNNING)
|
|
ural_stop(sc);
|
|
}
|
|
RAL_UNLOCK(sc);
|
|
if (startall)
|
|
ieee80211_start_all(ic);
|
|
break;
|
|
case SIOCGIFMEDIA:
|
|
case SIOCSIFMEDIA:
|
|
error = ifmedia_ioctl(ifp, ifr, &ic->ic_media, cmd);
|
|
break;
|
|
default:
|
|
error = ether_ioctl(ifp, cmd, data);
|
|
break;
|
|
}
|
|
return error;
|
|
}
|
|
|
|
static void
|
|
ural_set_testmode(struct ural_softc *sc)
|
|
{
|
|
struct usb_device_request req;
|
|
usb_error_t error;
|
|
|
|
req.bmRequestType = UT_WRITE_VENDOR_DEVICE;
|
|
req.bRequest = RAL_VENDOR_REQUEST;
|
|
USETW(req.wValue, 4);
|
|
USETW(req.wIndex, 1);
|
|
USETW(req.wLength, 0);
|
|
|
|
error = ural_do_request(sc, &req, NULL);
|
|
if (error != 0) {
|
|
device_printf(sc->sc_dev, "could not set test mode: %s\n",
|
|
usbd_errstr(error));
|
|
}
|
|
}
|
|
|
|
static void
|
|
ural_eeprom_read(struct ural_softc *sc, uint16_t addr, void *buf, int len)
|
|
{
|
|
struct usb_device_request req;
|
|
usb_error_t error;
|
|
|
|
req.bmRequestType = UT_READ_VENDOR_DEVICE;
|
|
req.bRequest = RAL_READ_EEPROM;
|
|
USETW(req.wValue, 0);
|
|
USETW(req.wIndex, addr);
|
|
USETW(req.wLength, len);
|
|
|
|
error = ural_do_request(sc, &req, buf);
|
|
if (error != 0) {
|
|
device_printf(sc->sc_dev, "could not read EEPROM: %s\n",
|
|
usbd_errstr(error));
|
|
}
|
|
}
|
|
|
|
static uint16_t
|
|
ural_read(struct ural_softc *sc, uint16_t reg)
|
|
{
|
|
struct usb_device_request req;
|
|
usb_error_t error;
|
|
uint16_t val;
|
|
|
|
req.bmRequestType = UT_READ_VENDOR_DEVICE;
|
|
req.bRequest = RAL_READ_MAC;
|
|
USETW(req.wValue, 0);
|
|
USETW(req.wIndex, reg);
|
|
USETW(req.wLength, sizeof (uint16_t));
|
|
|
|
error = ural_do_request(sc, &req, &val);
|
|
if (error != 0) {
|
|
device_printf(sc->sc_dev, "could not read MAC register: %s\n",
|
|
usbd_errstr(error));
|
|
return 0;
|
|
}
|
|
|
|
return le16toh(val);
|
|
}
|
|
|
|
static void
|
|
ural_read_multi(struct ural_softc *sc, uint16_t reg, void *buf, int len)
|
|
{
|
|
struct usb_device_request req;
|
|
usb_error_t error;
|
|
|
|
req.bmRequestType = UT_READ_VENDOR_DEVICE;
|
|
req.bRequest = RAL_READ_MULTI_MAC;
|
|
USETW(req.wValue, 0);
|
|
USETW(req.wIndex, reg);
|
|
USETW(req.wLength, len);
|
|
|
|
error = ural_do_request(sc, &req, buf);
|
|
if (error != 0) {
|
|
device_printf(sc->sc_dev, "could not read MAC register: %s\n",
|
|
usbd_errstr(error));
|
|
}
|
|
}
|
|
|
|
static void
|
|
ural_write(struct ural_softc *sc, uint16_t reg, uint16_t val)
|
|
{
|
|
struct usb_device_request req;
|
|
usb_error_t error;
|
|
|
|
req.bmRequestType = UT_WRITE_VENDOR_DEVICE;
|
|
req.bRequest = RAL_WRITE_MAC;
|
|
USETW(req.wValue, val);
|
|
USETW(req.wIndex, reg);
|
|
USETW(req.wLength, 0);
|
|
|
|
error = ural_do_request(sc, &req, NULL);
|
|
if (error != 0) {
|
|
device_printf(sc->sc_dev, "could not write MAC register: %s\n",
|
|
usbd_errstr(error));
|
|
}
|
|
}
|
|
|
|
static void
|
|
ural_write_multi(struct ural_softc *sc, uint16_t reg, void *buf, int len)
|
|
{
|
|
struct usb_device_request req;
|
|
usb_error_t error;
|
|
|
|
req.bmRequestType = UT_WRITE_VENDOR_DEVICE;
|
|
req.bRequest = RAL_WRITE_MULTI_MAC;
|
|
USETW(req.wValue, 0);
|
|
USETW(req.wIndex, reg);
|
|
USETW(req.wLength, len);
|
|
|
|
error = ural_do_request(sc, &req, buf);
|
|
if (error != 0) {
|
|
device_printf(sc->sc_dev, "could not write MAC register: %s\n",
|
|
usbd_errstr(error));
|
|
}
|
|
}
|
|
|
|
static void
|
|
ural_bbp_write(struct ural_softc *sc, uint8_t reg, uint8_t val)
|
|
{
|
|
uint16_t tmp;
|
|
int ntries;
|
|
|
|
for (ntries = 0; ntries < 100; ntries++) {
|
|
if (!(ural_read(sc, RAL_PHY_CSR8) & RAL_BBP_BUSY))
|
|
break;
|
|
if (ural_pause(sc, hz / 100))
|
|
break;
|
|
}
|
|
if (ntries == 100) {
|
|
device_printf(sc->sc_dev, "could not write to BBP\n");
|
|
return;
|
|
}
|
|
|
|
tmp = reg << 8 | val;
|
|
ural_write(sc, RAL_PHY_CSR7, tmp);
|
|
}
|
|
|
|
static uint8_t
|
|
ural_bbp_read(struct ural_softc *sc, uint8_t reg)
|
|
{
|
|
uint16_t val;
|
|
int ntries;
|
|
|
|
val = RAL_BBP_WRITE | reg << 8;
|
|
ural_write(sc, RAL_PHY_CSR7, val);
|
|
|
|
for (ntries = 0; ntries < 100; ntries++) {
|
|
if (!(ural_read(sc, RAL_PHY_CSR8) & RAL_BBP_BUSY))
|
|
break;
|
|
if (ural_pause(sc, hz / 100))
|
|
break;
|
|
}
|
|
if (ntries == 100) {
|
|
device_printf(sc->sc_dev, "could not read BBP\n");
|
|
return 0;
|
|
}
|
|
|
|
return ural_read(sc, RAL_PHY_CSR7) & 0xff;
|
|
}
|
|
|
|
static void
|
|
ural_rf_write(struct ural_softc *sc, uint8_t reg, uint32_t val)
|
|
{
|
|
uint32_t tmp;
|
|
int ntries;
|
|
|
|
for (ntries = 0; ntries < 100; ntries++) {
|
|
if (!(ural_read(sc, RAL_PHY_CSR10) & RAL_RF_LOBUSY))
|
|
break;
|
|
if (ural_pause(sc, hz / 100))
|
|
break;
|
|
}
|
|
if (ntries == 100) {
|
|
device_printf(sc->sc_dev, "could not write to RF\n");
|
|
return;
|
|
}
|
|
|
|
tmp = RAL_RF_BUSY | RAL_RF_20BIT | (val & 0xfffff) << 2 | (reg & 0x3);
|
|
ural_write(sc, RAL_PHY_CSR9, tmp & 0xffff);
|
|
ural_write(sc, RAL_PHY_CSR10, tmp >> 16);
|
|
|
|
/* remember last written value in sc */
|
|
sc->rf_regs[reg] = val;
|
|
|
|
DPRINTFN(15, "RF R[%u] <- 0x%05x\n", reg & 0x3, val & 0xfffff);
|
|
}
|
|
|
|
static void
|
|
ural_scan_start(struct ieee80211com *ic)
|
|
{
|
|
struct ifnet *ifp = ic->ic_ifp;
|
|
struct ural_softc *sc = ifp->if_softc;
|
|
|
|
RAL_LOCK(sc);
|
|
ural_write(sc, RAL_TXRX_CSR19, 0);
|
|
ural_set_bssid(sc, ifp->if_broadcastaddr);
|
|
RAL_UNLOCK(sc);
|
|
}
|
|
|
|
static void
|
|
ural_scan_end(struct ieee80211com *ic)
|
|
{
|
|
struct ural_softc *sc = ic->ic_ifp->if_softc;
|
|
|
|
RAL_LOCK(sc);
|
|
ural_enable_tsf_sync(sc);
|
|
ural_set_bssid(sc, sc->sc_bssid);
|
|
RAL_UNLOCK(sc);
|
|
|
|
}
|
|
|
|
static void
|
|
ural_set_channel(struct ieee80211com *ic)
|
|
{
|
|
struct ural_softc *sc = ic->ic_ifp->if_softc;
|
|
|
|
RAL_LOCK(sc);
|
|
ural_set_chan(sc, ic->ic_curchan);
|
|
RAL_UNLOCK(sc);
|
|
}
|
|
|
|
static void
|
|
ural_set_chan(struct ural_softc *sc, struct ieee80211_channel *c)
|
|
{
|
|
struct ifnet *ifp = sc->sc_ifp;
|
|
struct ieee80211com *ic = ifp->if_l2com;
|
|
uint8_t power, tmp;
|
|
int i, chan;
|
|
|
|
chan = ieee80211_chan2ieee(ic, c);
|
|
if (chan == 0 || chan == IEEE80211_CHAN_ANY)
|
|
return;
|
|
|
|
if (IEEE80211_IS_CHAN_2GHZ(c))
|
|
power = min(sc->txpow[chan - 1], 31);
|
|
else
|
|
power = 31;
|
|
|
|
/* adjust txpower using ifconfig settings */
|
|
power -= (100 - ic->ic_txpowlimit) / 8;
|
|
|
|
DPRINTFN(2, "setting channel to %u, txpower to %u\n", chan, power);
|
|
|
|
switch (sc->rf_rev) {
|
|
case RAL_RF_2522:
|
|
ural_rf_write(sc, RAL_RF1, 0x00814);
|
|
ural_rf_write(sc, RAL_RF2, ural_rf2522_r2[chan - 1]);
|
|
ural_rf_write(sc, RAL_RF3, power << 7 | 0x00040);
|
|
break;
|
|
|
|
case RAL_RF_2523:
|
|
ural_rf_write(sc, RAL_RF1, 0x08804);
|
|
ural_rf_write(sc, RAL_RF2, ural_rf2523_r2[chan - 1]);
|
|
ural_rf_write(sc, RAL_RF3, power << 7 | 0x38044);
|
|
ural_rf_write(sc, RAL_RF4, (chan == 14) ? 0x00280 : 0x00286);
|
|
break;
|
|
|
|
case RAL_RF_2524:
|
|
ural_rf_write(sc, RAL_RF1, 0x0c808);
|
|
ural_rf_write(sc, RAL_RF2, ural_rf2524_r2[chan - 1]);
|
|
ural_rf_write(sc, RAL_RF3, power << 7 | 0x00040);
|
|
ural_rf_write(sc, RAL_RF4, (chan == 14) ? 0x00280 : 0x00286);
|
|
break;
|
|
|
|
case RAL_RF_2525:
|
|
ural_rf_write(sc, RAL_RF1, 0x08808);
|
|
ural_rf_write(sc, RAL_RF2, ural_rf2525_hi_r2[chan - 1]);
|
|
ural_rf_write(sc, RAL_RF3, power << 7 | 0x18044);
|
|
ural_rf_write(sc, RAL_RF4, (chan == 14) ? 0x00280 : 0x00286);
|
|
|
|
ural_rf_write(sc, RAL_RF1, 0x08808);
|
|
ural_rf_write(sc, RAL_RF2, ural_rf2525_r2[chan - 1]);
|
|
ural_rf_write(sc, RAL_RF3, power << 7 | 0x18044);
|
|
ural_rf_write(sc, RAL_RF4, (chan == 14) ? 0x00280 : 0x00286);
|
|
break;
|
|
|
|
case RAL_RF_2525E:
|
|
ural_rf_write(sc, RAL_RF1, 0x08808);
|
|
ural_rf_write(sc, RAL_RF2, ural_rf2525e_r2[chan - 1]);
|
|
ural_rf_write(sc, RAL_RF3, power << 7 | 0x18044);
|
|
ural_rf_write(sc, RAL_RF4, (chan == 14) ? 0x00286 : 0x00282);
|
|
break;
|
|
|
|
case RAL_RF_2526:
|
|
ural_rf_write(sc, RAL_RF2, ural_rf2526_hi_r2[chan - 1]);
|
|
ural_rf_write(sc, RAL_RF4, (chan & 1) ? 0x00386 : 0x00381);
|
|
ural_rf_write(sc, RAL_RF1, 0x08804);
|
|
|
|
ural_rf_write(sc, RAL_RF2, ural_rf2526_r2[chan - 1]);
|
|
ural_rf_write(sc, RAL_RF3, power << 7 | 0x18044);
|
|
ural_rf_write(sc, RAL_RF4, (chan & 1) ? 0x00386 : 0x00381);
|
|
break;
|
|
|
|
/* dual-band RF */
|
|
case RAL_RF_5222:
|
|
for (i = 0; ural_rf5222[i].chan != chan; i++);
|
|
|
|
ural_rf_write(sc, RAL_RF1, ural_rf5222[i].r1);
|
|
ural_rf_write(sc, RAL_RF2, ural_rf5222[i].r2);
|
|
ural_rf_write(sc, RAL_RF3, power << 7 | 0x00040);
|
|
ural_rf_write(sc, RAL_RF4, ural_rf5222[i].r4);
|
|
break;
|
|
}
|
|
|
|
if (ic->ic_opmode != IEEE80211_M_MONITOR &&
|
|
(ic->ic_flags & IEEE80211_F_SCAN) == 0) {
|
|
/* set Japan filter bit for channel 14 */
|
|
tmp = ural_bbp_read(sc, 70);
|
|
|
|
tmp &= ~RAL_JAPAN_FILTER;
|
|
if (chan == 14)
|
|
tmp |= RAL_JAPAN_FILTER;
|
|
|
|
ural_bbp_write(sc, 70, tmp);
|
|
|
|
/* clear CRC errors */
|
|
ural_read(sc, RAL_STA_CSR0);
|
|
|
|
ural_pause(sc, hz / 100);
|
|
ural_disable_rf_tune(sc);
|
|
}
|
|
|
|
/* XXX doesn't belong here */
|
|
/* update basic rate set */
|
|
ural_set_basicrates(sc, c);
|
|
|
|
/* give the hardware some time to do the switchover */
|
|
ural_pause(sc, hz / 100);
|
|
}
|
|
|
|
/*
|
|
* Disable RF auto-tuning.
|
|
*/
|
|
static void
|
|
ural_disable_rf_tune(struct ural_softc *sc)
|
|
{
|
|
uint32_t tmp;
|
|
|
|
if (sc->rf_rev != RAL_RF_2523) {
|
|
tmp = sc->rf_regs[RAL_RF1] & ~RAL_RF1_AUTOTUNE;
|
|
ural_rf_write(sc, RAL_RF1, tmp);
|
|
}
|
|
|
|
tmp = sc->rf_regs[RAL_RF3] & ~RAL_RF3_AUTOTUNE;
|
|
ural_rf_write(sc, RAL_RF3, tmp);
|
|
|
|
DPRINTFN(2, "disabling RF autotune\n");
|
|
}
|
|
|
|
/*
|
|
* Refer to IEEE Std 802.11-1999 pp. 123 for more information on TSF
|
|
* synchronization.
|
|
*/
|
|
static void
|
|
ural_enable_tsf_sync(struct ural_softc *sc)
|
|
{
|
|
struct ifnet *ifp = sc->sc_ifp;
|
|
struct ieee80211com *ic = ifp->if_l2com;
|
|
struct ieee80211vap *vap = TAILQ_FIRST(&ic->ic_vaps);
|
|
uint16_t logcwmin, preload, tmp;
|
|
|
|
/* first, disable TSF synchronization */
|
|
ural_write(sc, RAL_TXRX_CSR19, 0);
|
|
|
|
tmp = (16 * vap->iv_bss->ni_intval) << 4;
|
|
ural_write(sc, RAL_TXRX_CSR18, tmp);
|
|
|
|
logcwmin = (ic->ic_opmode == IEEE80211_M_IBSS) ? 2 : 0;
|
|
preload = (ic->ic_opmode == IEEE80211_M_IBSS) ? 320 : 6;
|
|
tmp = logcwmin << 12 | preload;
|
|
ural_write(sc, RAL_TXRX_CSR20, tmp);
|
|
|
|
/* finally, enable TSF synchronization */
|
|
tmp = RAL_ENABLE_TSF | RAL_ENABLE_TBCN;
|
|
if (ic->ic_opmode == IEEE80211_M_STA)
|
|
tmp |= RAL_ENABLE_TSF_SYNC(1);
|
|
else
|
|
tmp |= RAL_ENABLE_TSF_SYNC(2) | RAL_ENABLE_BEACON_GENERATOR;
|
|
ural_write(sc, RAL_TXRX_CSR19, tmp);
|
|
|
|
DPRINTF("enabling TSF synchronization\n");
|
|
}
|
|
|
|
static void
|
|
ural_enable_tsf(struct ural_softc *sc)
|
|
{
|
|
/* first, disable TSF synchronization */
|
|
ural_write(sc, RAL_TXRX_CSR19, 0);
|
|
ural_write(sc, RAL_TXRX_CSR19, RAL_ENABLE_TSF | RAL_ENABLE_TSF_SYNC(2));
|
|
}
|
|
|
|
#define RAL_RXTX_TURNAROUND 5 /* us */
|
|
static void
|
|
ural_update_slot(struct ifnet *ifp)
|
|
{
|
|
struct ural_softc *sc = ifp->if_softc;
|
|
struct ieee80211com *ic = ifp->if_l2com;
|
|
uint16_t slottime, sifs, eifs;
|
|
|
|
slottime = (ic->ic_flags & IEEE80211_F_SHSLOT) ? 9 : 20;
|
|
|
|
/*
|
|
* These settings may sound a bit inconsistent but this is what the
|
|
* reference driver does.
|
|
*/
|
|
if (ic->ic_curmode == IEEE80211_MODE_11B) {
|
|
sifs = 16 - RAL_RXTX_TURNAROUND;
|
|
eifs = 364;
|
|
} else {
|
|
sifs = 10 - RAL_RXTX_TURNAROUND;
|
|
eifs = 64;
|
|
}
|
|
|
|
ural_write(sc, RAL_MAC_CSR10, slottime);
|
|
ural_write(sc, RAL_MAC_CSR11, sifs);
|
|
ural_write(sc, RAL_MAC_CSR12, eifs);
|
|
}
|
|
|
|
static void
|
|
ural_set_txpreamble(struct ural_softc *sc)
|
|
{
|
|
struct ifnet *ifp = sc->sc_ifp;
|
|
struct ieee80211com *ic = ifp->if_l2com;
|
|
uint16_t tmp;
|
|
|
|
tmp = ural_read(sc, RAL_TXRX_CSR10);
|
|
|
|
tmp &= ~RAL_SHORT_PREAMBLE;
|
|
if (ic->ic_flags & IEEE80211_F_SHPREAMBLE)
|
|
tmp |= RAL_SHORT_PREAMBLE;
|
|
|
|
ural_write(sc, RAL_TXRX_CSR10, tmp);
|
|
}
|
|
|
|
static void
|
|
ural_set_basicrates(struct ural_softc *sc, const struct ieee80211_channel *c)
|
|
{
|
|
/* XXX wrong, take from rate set */
|
|
/* update basic rate set */
|
|
if (IEEE80211_IS_CHAN_5GHZ(c)) {
|
|
/* 11a basic rates: 6, 12, 24Mbps */
|
|
ural_write(sc, RAL_TXRX_CSR11, 0x150);
|
|
} else if (IEEE80211_IS_CHAN_ANYG(c)) {
|
|
/* 11g basic rates: 1, 2, 5.5, 11, 6, 12, 24Mbps */
|
|
ural_write(sc, RAL_TXRX_CSR11, 0x15f);
|
|
} else {
|
|
/* 11b basic rates: 1, 2Mbps */
|
|
ural_write(sc, RAL_TXRX_CSR11, 0x3);
|
|
}
|
|
}
|
|
|
|
static void
|
|
ural_set_bssid(struct ural_softc *sc, const uint8_t *bssid)
|
|
{
|
|
uint16_t tmp;
|
|
|
|
tmp = bssid[0] | bssid[1] << 8;
|
|
ural_write(sc, RAL_MAC_CSR5, tmp);
|
|
|
|
tmp = bssid[2] | bssid[3] << 8;
|
|
ural_write(sc, RAL_MAC_CSR6, tmp);
|
|
|
|
tmp = bssid[4] | bssid[5] << 8;
|
|
ural_write(sc, RAL_MAC_CSR7, tmp);
|
|
|
|
DPRINTF("setting BSSID to %6D\n", bssid, ":");
|
|
}
|
|
|
|
static void
|
|
ural_set_macaddr(struct ural_softc *sc, uint8_t *addr)
|
|
{
|
|
uint16_t tmp;
|
|
|
|
tmp = addr[0] | addr[1] << 8;
|
|
ural_write(sc, RAL_MAC_CSR2, tmp);
|
|
|
|
tmp = addr[2] | addr[3] << 8;
|
|
ural_write(sc, RAL_MAC_CSR3, tmp);
|
|
|
|
tmp = addr[4] | addr[5] << 8;
|
|
ural_write(sc, RAL_MAC_CSR4, tmp);
|
|
|
|
DPRINTF("setting MAC address to %6D\n", addr, ":");
|
|
}
|
|
|
|
static void
|
|
ural_setpromisc(struct ural_softc *sc)
|
|
{
|
|
struct ifnet *ifp = sc->sc_ifp;
|
|
uint32_t tmp;
|
|
|
|
tmp = ural_read(sc, RAL_TXRX_CSR2);
|
|
|
|
tmp &= ~RAL_DROP_NOT_TO_ME;
|
|
if (!(ifp->if_flags & IFF_PROMISC))
|
|
tmp |= RAL_DROP_NOT_TO_ME;
|
|
|
|
ural_write(sc, RAL_TXRX_CSR2, tmp);
|
|
|
|
DPRINTF("%s promiscuous mode\n", (ifp->if_flags & IFF_PROMISC) ?
|
|
"entering" : "leaving");
|
|
}
|
|
|
|
static void
|
|
ural_update_promisc(struct ifnet *ifp)
|
|
{
|
|
struct ural_softc *sc = ifp->if_softc;
|
|
|
|
if ((ifp->if_drv_flags & IFF_DRV_RUNNING) == 0)
|
|
return;
|
|
|
|
RAL_LOCK(sc);
|
|
ural_setpromisc(sc);
|
|
RAL_UNLOCK(sc);
|
|
}
|
|
|
|
static const char *
|
|
ural_get_rf(int rev)
|
|
{
|
|
switch (rev) {
|
|
case RAL_RF_2522: return "RT2522";
|
|
case RAL_RF_2523: return "RT2523";
|
|
case RAL_RF_2524: return "RT2524";
|
|
case RAL_RF_2525: return "RT2525";
|
|
case RAL_RF_2525E: return "RT2525e";
|
|
case RAL_RF_2526: return "RT2526";
|
|
case RAL_RF_5222: return "RT5222";
|
|
default: return "unknown";
|
|
}
|
|
}
|
|
|
|
static void
|
|
ural_read_eeprom(struct ural_softc *sc)
|
|
{
|
|
uint16_t val;
|
|
|
|
ural_eeprom_read(sc, RAL_EEPROM_CONFIG0, &val, 2);
|
|
val = le16toh(val);
|
|
sc->rf_rev = (val >> 11) & 0x7;
|
|
sc->hw_radio = (val >> 10) & 0x1;
|
|
sc->led_mode = (val >> 6) & 0x7;
|
|
sc->rx_ant = (val >> 4) & 0x3;
|
|
sc->tx_ant = (val >> 2) & 0x3;
|
|
sc->nb_ant = val & 0x3;
|
|
|
|
/* read MAC address */
|
|
ural_eeprom_read(sc, RAL_EEPROM_ADDRESS, sc->sc_bssid, 6);
|
|
|
|
/* read default values for BBP registers */
|
|
ural_eeprom_read(sc, RAL_EEPROM_BBP_BASE, sc->bbp_prom, 2 * 16);
|
|
|
|
/* read Tx power for all b/g channels */
|
|
ural_eeprom_read(sc, RAL_EEPROM_TXPOWER, sc->txpow, 14);
|
|
}
|
|
|
|
static int
|
|
ural_bbp_init(struct ural_softc *sc)
|
|
{
|
|
#define N(a) (sizeof (a) / sizeof ((a)[0]))
|
|
int i, ntries;
|
|
|
|
/* wait for BBP to be ready */
|
|
for (ntries = 0; ntries < 100; ntries++) {
|
|
if (ural_bbp_read(sc, RAL_BBP_VERSION) != 0)
|
|
break;
|
|
if (ural_pause(sc, hz / 100))
|
|
break;
|
|
}
|
|
if (ntries == 100) {
|
|
device_printf(sc->sc_dev, "timeout waiting for BBP\n");
|
|
return EIO;
|
|
}
|
|
|
|
/* initialize BBP registers to default values */
|
|
for (i = 0; i < N(ural_def_bbp); i++)
|
|
ural_bbp_write(sc, ural_def_bbp[i].reg, ural_def_bbp[i].val);
|
|
|
|
#if 0
|
|
/* initialize BBP registers to values stored in EEPROM */
|
|
for (i = 0; i < 16; i++) {
|
|
if (sc->bbp_prom[i].reg == 0xff)
|
|
continue;
|
|
ural_bbp_write(sc, sc->bbp_prom[i].reg, sc->bbp_prom[i].val);
|
|
}
|
|
#endif
|
|
|
|
return 0;
|
|
#undef N
|
|
}
|
|
|
|
static void
|
|
ural_set_txantenna(struct ural_softc *sc, int antenna)
|
|
{
|
|
uint16_t tmp;
|
|
uint8_t tx;
|
|
|
|
tx = ural_bbp_read(sc, RAL_BBP_TX) & ~RAL_BBP_ANTMASK;
|
|
if (antenna == 1)
|
|
tx |= RAL_BBP_ANTA;
|
|
else if (antenna == 2)
|
|
tx |= RAL_BBP_ANTB;
|
|
else
|
|
tx |= RAL_BBP_DIVERSITY;
|
|
|
|
/* need to force I/Q flip for RF 2525e, 2526 and 5222 */
|
|
if (sc->rf_rev == RAL_RF_2525E || sc->rf_rev == RAL_RF_2526 ||
|
|
sc->rf_rev == RAL_RF_5222)
|
|
tx |= RAL_BBP_FLIPIQ;
|
|
|
|
ural_bbp_write(sc, RAL_BBP_TX, tx);
|
|
|
|
/* update values in PHY_CSR5 and PHY_CSR6 */
|
|
tmp = ural_read(sc, RAL_PHY_CSR5) & ~0x7;
|
|
ural_write(sc, RAL_PHY_CSR5, tmp | (tx & 0x7));
|
|
|
|
tmp = ural_read(sc, RAL_PHY_CSR6) & ~0x7;
|
|
ural_write(sc, RAL_PHY_CSR6, tmp | (tx & 0x7));
|
|
}
|
|
|
|
static void
|
|
ural_set_rxantenna(struct ural_softc *sc, int antenna)
|
|
{
|
|
uint8_t rx;
|
|
|
|
rx = ural_bbp_read(sc, RAL_BBP_RX) & ~RAL_BBP_ANTMASK;
|
|
if (antenna == 1)
|
|
rx |= RAL_BBP_ANTA;
|
|
else if (antenna == 2)
|
|
rx |= RAL_BBP_ANTB;
|
|
else
|
|
rx |= RAL_BBP_DIVERSITY;
|
|
|
|
/* need to force no I/Q flip for RF 2525e and 2526 */
|
|
if (sc->rf_rev == RAL_RF_2525E || sc->rf_rev == RAL_RF_2526)
|
|
rx &= ~RAL_BBP_FLIPIQ;
|
|
|
|
ural_bbp_write(sc, RAL_BBP_RX, rx);
|
|
}
|
|
|
|
static void
|
|
ural_init_locked(struct ural_softc *sc)
|
|
{
|
|
#define N(a) (sizeof (a) / sizeof ((a)[0]))
|
|
struct ifnet *ifp = sc->sc_ifp;
|
|
struct ieee80211com *ic = ifp->if_l2com;
|
|
uint16_t tmp;
|
|
int i, ntries;
|
|
|
|
RAL_LOCK_ASSERT(sc, MA_OWNED);
|
|
|
|
ural_set_testmode(sc);
|
|
ural_write(sc, 0x308, 0x00f0); /* XXX magic */
|
|
|
|
ural_stop(sc);
|
|
|
|
/* initialize MAC registers to default values */
|
|
for (i = 0; i < N(ural_def_mac); i++)
|
|
ural_write(sc, ural_def_mac[i].reg, ural_def_mac[i].val);
|
|
|
|
/* wait for BBP and RF to wake up (this can take a long time!) */
|
|
for (ntries = 0; ntries < 100; ntries++) {
|
|
tmp = ural_read(sc, RAL_MAC_CSR17);
|
|
if ((tmp & (RAL_BBP_AWAKE | RAL_RF_AWAKE)) ==
|
|
(RAL_BBP_AWAKE | RAL_RF_AWAKE))
|
|
break;
|
|
if (ural_pause(sc, hz / 100))
|
|
break;
|
|
}
|
|
if (ntries == 100) {
|
|
device_printf(sc->sc_dev,
|
|
"timeout waiting for BBP/RF to wakeup\n");
|
|
goto fail;
|
|
}
|
|
|
|
/* we're ready! */
|
|
ural_write(sc, RAL_MAC_CSR1, RAL_HOST_READY);
|
|
|
|
/* set basic rate set (will be updated later) */
|
|
ural_write(sc, RAL_TXRX_CSR11, 0x15f);
|
|
|
|
if (ural_bbp_init(sc) != 0)
|
|
goto fail;
|
|
|
|
ural_set_chan(sc, ic->ic_curchan);
|
|
|
|
/* clear statistic registers (STA_CSR0 to STA_CSR10) */
|
|
ural_read_multi(sc, RAL_STA_CSR0, sc->sta, sizeof sc->sta);
|
|
|
|
ural_set_txantenna(sc, sc->tx_ant);
|
|
ural_set_rxantenna(sc, sc->rx_ant);
|
|
|
|
ural_set_macaddr(sc, IF_LLADDR(ifp));
|
|
|
|
/*
|
|
* Allocate Tx and Rx xfer queues.
|
|
*/
|
|
ural_setup_tx_list(sc);
|
|
|
|
/* kick Rx */
|
|
tmp = RAL_DROP_PHY | RAL_DROP_CRC;
|
|
if (ic->ic_opmode != IEEE80211_M_MONITOR) {
|
|
tmp |= RAL_DROP_CTL | RAL_DROP_BAD_VERSION;
|
|
if (ic->ic_opmode != IEEE80211_M_HOSTAP)
|
|
tmp |= RAL_DROP_TODS;
|
|
if (!(ifp->if_flags & IFF_PROMISC))
|
|
tmp |= RAL_DROP_NOT_TO_ME;
|
|
}
|
|
ural_write(sc, RAL_TXRX_CSR2, tmp);
|
|
|
|
ifp->if_drv_flags &= ~IFF_DRV_OACTIVE;
|
|
ifp->if_drv_flags |= IFF_DRV_RUNNING;
|
|
usbd_xfer_set_stall(sc->sc_xfer[URAL_BULK_WR]);
|
|
usbd_transfer_start(sc->sc_xfer[URAL_BULK_RD]);
|
|
return;
|
|
|
|
fail: ural_stop(sc);
|
|
#undef N
|
|
}
|
|
|
|
static void
|
|
ural_init(void *priv)
|
|
{
|
|
struct ural_softc *sc = priv;
|
|
struct ifnet *ifp = sc->sc_ifp;
|
|
struct ieee80211com *ic = ifp->if_l2com;
|
|
|
|
RAL_LOCK(sc);
|
|
ural_init_locked(sc);
|
|
RAL_UNLOCK(sc);
|
|
|
|
if (ifp->if_drv_flags & IFF_DRV_RUNNING)
|
|
ieee80211_start_all(ic); /* start all vap's */
|
|
}
|
|
|
|
static void
|
|
ural_stop(struct ural_softc *sc)
|
|
{
|
|
struct ifnet *ifp = sc->sc_ifp;
|
|
|
|
RAL_LOCK_ASSERT(sc, MA_OWNED);
|
|
|
|
ifp->if_drv_flags &= ~(IFF_DRV_RUNNING | IFF_DRV_OACTIVE);
|
|
|
|
/*
|
|
* Drain all the transfers, if not already drained:
|
|
*/
|
|
RAL_UNLOCK(sc);
|
|
usbd_transfer_drain(sc->sc_xfer[URAL_BULK_WR]);
|
|
usbd_transfer_drain(sc->sc_xfer[URAL_BULK_RD]);
|
|
RAL_LOCK(sc);
|
|
|
|
ural_unsetup_tx_list(sc);
|
|
|
|
/* disable Rx */
|
|
ural_write(sc, RAL_TXRX_CSR2, RAL_DISABLE_RX);
|
|
/* reset ASIC and BBP (but won't reset MAC registers!) */
|
|
ural_write(sc, RAL_MAC_CSR1, RAL_RESET_ASIC | RAL_RESET_BBP);
|
|
/* wait a little */
|
|
ural_pause(sc, hz / 10);
|
|
ural_write(sc, RAL_MAC_CSR1, 0);
|
|
/* wait a little */
|
|
ural_pause(sc, hz / 10);
|
|
}
|
|
|
|
static int
|
|
ural_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 ural_softc *sc = ifp->if_softc;
|
|
|
|
RAL_LOCK(sc);
|
|
/* prevent management frames from being sent if we're not ready */
|
|
if (!(ifp->if_drv_flags & IFF_DRV_RUNNING)) {
|
|
RAL_UNLOCK(sc);
|
|
m_freem(m);
|
|
ieee80211_free_node(ni);
|
|
return ENETDOWN;
|
|
}
|
|
if (sc->tx_nfree < RAL_TX_MINFREE) {
|
|
ifp->if_drv_flags |= IFF_DRV_OACTIVE;
|
|
RAL_UNLOCK(sc);
|
|
m_freem(m);
|
|
ieee80211_free_node(ni);
|
|
return EIO;
|
|
}
|
|
|
|
ifp->if_opackets++;
|
|
|
|
if (params == NULL) {
|
|
/*
|
|
* Legacy path; interpret frame contents to decide
|
|
* precisely how to send the frame.
|
|
*/
|
|
if (ural_tx_mgt(sc, m, ni) != 0)
|
|
goto bad;
|
|
} else {
|
|
/*
|
|
* Caller supplied explicit parameters to use in
|
|
* sending the frame.
|
|
*/
|
|
if (ural_tx_raw(sc, m, ni, params) != 0)
|
|
goto bad;
|
|
}
|
|
RAL_UNLOCK(sc);
|
|
return 0;
|
|
bad:
|
|
ifp->if_oerrors++;
|
|
RAL_UNLOCK(sc);
|
|
ieee80211_free_node(ni);
|
|
return EIO; /* XXX */
|
|
}
|
|
|
|
static void
|
|
ural_ratectl_start(struct ural_softc *sc, struct ieee80211_node *ni)
|
|
{
|
|
struct ieee80211vap *vap = ni->ni_vap;
|
|
struct ural_vap *uvp = URAL_VAP(vap);
|
|
|
|
/* clear statistic registers (STA_CSR0 to STA_CSR10) */
|
|
ural_read_multi(sc, RAL_STA_CSR0, sc->sta, sizeof sc->sta);
|
|
|
|
usb_callout_reset(&uvp->ratectl_ch, hz, ural_ratectl_timeout, uvp);
|
|
}
|
|
|
|
static void
|
|
ural_ratectl_timeout(void *arg)
|
|
{
|
|
struct ural_vap *uvp = arg;
|
|
struct ieee80211vap *vap = &uvp->vap;
|
|
struct ieee80211com *ic = vap->iv_ic;
|
|
|
|
ieee80211_runtask(ic, &uvp->ratectl_task);
|
|
}
|
|
|
|
static void
|
|
ural_ratectl_task(void *arg, int pending)
|
|
{
|
|
struct ural_vap *uvp = arg;
|
|
struct ieee80211vap *vap = &uvp->vap;
|
|
struct ieee80211com *ic = vap->iv_ic;
|
|
struct ifnet *ifp = ic->ic_ifp;
|
|
struct ural_softc *sc = ifp->if_softc;
|
|
struct ieee80211_node *ni;
|
|
int ok, fail;
|
|
int sum, retrycnt;
|
|
|
|
ni = ieee80211_ref_node(vap->iv_bss);
|
|
RAL_LOCK(sc);
|
|
/* read and clear statistic registers (STA_CSR0 to STA_CSR10) */
|
|
ural_read_multi(sc, RAL_STA_CSR0, sc->sta, sizeof(sc->sta));
|
|
|
|
ok = sc->sta[7] + /* TX ok w/o retry */
|
|
sc->sta[8]; /* TX ok w/ retry */
|
|
fail = sc->sta[9]; /* TX retry-fail count */
|
|
sum = ok+fail;
|
|
retrycnt = sc->sta[8] + fail;
|
|
|
|
ieee80211_ratectl_tx_update(vap, ni, &sum, &ok, &retrycnt);
|
|
(void) ieee80211_ratectl_rate(ni, NULL, 0);
|
|
|
|
ifp->if_oerrors += fail; /* count TX retry-fail as Tx errors */
|
|
|
|
usb_callout_reset(&uvp->ratectl_ch, hz, ural_ratectl_timeout, uvp);
|
|
RAL_UNLOCK(sc);
|
|
ieee80211_free_node(ni);
|
|
}
|
|
|
|
static int
|
|
ural_pause(struct ural_softc *sc, int timeout)
|
|
{
|
|
|
|
usb_pause_mtx(&sc->sc_mtx, timeout);
|
|
return (0);
|
|
}
|