/* $FreeBSD$ */
/*-
* Copyright (c) 2008 Weongyo Jeong <weongyo@FreeBSD.org>
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
enum {
URTW_8187B_BULK_RX,
URTW_8187B_BULK_TX_STATUS,
URTW_8187B_BULK_TX_BE,
URTW_8187B_BULK_TX_BK,
URTW_8187B_BULK_TX_VI,
URTW_8187B_BULK_TX_VO,
URTW_8187B_BULK_TX_EP12,
URTW_8187B_N_XFERS = 7
};
enum {
URTW_8187L_BULK_RX,
URTW_8187L_BULK_TX_LOW,
URTW_8187L_BULK_TX_NORMAL,
URTW_8187L_N_XFERS = 3
};
/* XXX no definition at net80211? */
#define URTW_MAX_CHANNELS 15
struct urtw_data {
struct urtw_softc *sc;
uint8_t *buf;
uint16_t buflen;
struct mbuf *m;
struct ieee80211_node *ni; /* NB: tx only */
STAILQ_ENTRY(urtw_data) next;
};
typedef STAILQ_HEAD(, urtw_data) urtw_datahead;
/* XXX not correct.. */
#define URTW_MIN_RXBUFSZ \
(sizeof(struct ieee80211_frame_min))
#define URTW_RX_DATA_LIST_COUNT 4
#define URTW_TX_DATA_LIST_COUNT 16
#define URTW_RX_MAXSIZE 0x9c4
#define URTW_TX_MAXSIZE 0x9c4
#define URTW_TX_MAXRETRY 11
struct urtw_rx_radiotap_header {
struct ieee80211_radiotap_header wr_ihdr;
uint8_t wr_flags;
uint16_t wr_chan_freq;
uint16_t wr_chan_flags;
int8_t wr_dbm_antsignal;
} __packed __aligned(8);
#define URTW_RX_RADIOTAP_PRESENT \
((1 << IEEE80211_RADIOTAP_FLAGS) | \
(1 << IEEE80211_RADIOTAP_CHANNEL) | \
(1 << IEEE80211_RADIOTAP_DBM_ANTSIGNAL))
struct urtw_tx_radiotap_header {
struct ieee80211_radiotap_header wt_ihdr;
uint8_t wt_flags;
uint16_t wt_chan_freq;
uint16_t wt_chan_flags;
} __packed __aligned(8);
#define URTW_TX_RADIOTAP_PRESENT \
((1 << IEEE80211_RADIOTAP_FLAGS) | \
(1 << IEEE80211_RADIOTAP_CHANNEL))
struct urtw_stats {
unsigned int txrates[12];
};
struct urtw_vap {
struct ieee80211vap vap;
int (*newstate)(struct ieee80211vap *,
enum ieee80211_state, int);
};
#define URTW_VAP(vap) ((struct urtw_vap *)(vap))
struct urtw_softc {
struct ieee80211com sc_ic;
struct mbufq sc_snd;
device_t sc_dev;
struct usb_device *sc_udev;
struct mtx sc_mtx;
void *sc_tx_dma_buf;
int sc_debug;
int sc_flags;
#define URTW_INIT_ONCE (1 << 1)
#define URTW_RTL8187B (1 << 2)
#define URTW_RTL8187B_REV_B (1 << 3)
#define URTW_RTL8187B_REV_D (1 << 4)
#define URTW_RTL8187B_REV_E (1 << 5)
#define URTW_DETACHED (1 << 6)
#define URTW_RUNNING (1 << 7)
enum ieee80211_state sc_state;
int sc_epromtype;
#define URTW_EEPROM_93C46 0
#define URTW_EEPROM_93C56 1
uint8_t sc_crcmon;
struct ieee80211_channel *sc_curchan;
/* for RF */
usb_error_t (*sc_rf_init)(struct urtw_softc *);
usb_error_t (*sc_rf_set_chan)(struct urtw_softc *,
int);
usb_error_t (*sc_rf_set_sens)(struct urtw_softc *,
int);
usb_error_t (*sc_rf_stop)(struct urtw_softc *);
uint8_t sc_rfchip;
uint32_t sc_max_sens;
uint32_t sc_sens;
/* for LED */
struct usb_callout sc_led_ch;
struct task sc_led_task;
uint8_t sc_psr;
uint8_t sc_strategy;
#define URTW_LED_GPIO 1
uint8_t sc_gpio_ledon;
uint8_t sc_gpio_ledinprogress;
uint8_t sc_gpio_ledstate;
uint8_t sc_gpio_ledpin;
uint8_t sc_gpio_blinktime;
uint8_t sc_gpio_blinkstate;
/* RX/TX */
struct usb_xfer *sc_xfer[URTW_8187B_N_XFERS];
#define URTW_PRIORITY_LOW 0
#define URTW_PRIORITY_NORMAL 1
#define URTW_DATA_TIMEOUT 10000 /* 10 sec */
#define URTW_8187B_TXPIPE_BE 0x6 /* best effort */
#define URTW_8187B_TXPIPE_BK 0x7 /* background */
#define URTW_8187B_TXPIPE_VI 0x5 /* video */
#define URTW_8187B_TXPIPE_VO 0x4 /* voice */
#define URTW_8187B_TXPIPE_MAX 4
struct urtw_data sc_rx[URTW_RX_DATA_LIST_COUNT];
urtw_datahead sc_rx_active;
urtw_datahead sc_rx_inactive;
struct urtw_data sc_tx[URTW_TX_DATA_LIST_COUNT];
urtw_datahead sc_tx_active;
urtw_datahead sc_tx_inactive;
urtw_datahead sc_tx_pending;
uint8_t sc_rts_retry;
uint8_t sc_tx_retry;
uint8_t sc_preamble_mode;
#define URTW_PREAMBLE_MODE_SHORT 1
#define URTW_PREAMBLE_MODE_LONG 2
struct callout sc_watchdog_ch;
int sc_txtimer;
int sc_currate;
/* TX power */
uint8_t sc_txpwr_cck[URTW_MAX_CHANNELS];
uint8_t sc_txpwr_cck_base;
uint8_t sc_txpwr_ofdm[URTW_MAX_CHANNELS];
uint8_t sc_txpwr_ofdm_base;
uint8_t sc_acmctl;
uint64_t sc_txstatus; /* only for 8187B */
struct task sc_updateslot_task;
struct urtw_stats sc_stats;
struct urtw_rx_radiotap_header sc_rxtap;
struct urtw_tx_radiotap_header sc_txtap;
};
#define URTW_LOCK(sc) mtx_lock(&(sc)->sc_mtx)
#define URTW_UNLOCK(sc) mtx_unlock(&(sc)->sc_mtx)
#define URTW_ASSERT_LOCKED(sc) mtx_assert(&(sc)->sc_mtx, MA_OWNED)
