187 lines
5.1 KiB
C
187 lines
5.1 KiB
C
/* $FreeBSD$ */
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/*-
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* Copyright (c) 2008 Weongyo Jeong <weongyo@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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enum {
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URTW_8187B_BULK_RX,
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URTW_8187B_BULK_TX_STATUS,
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URTW_8187B_BULK_TX_BE,
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URTW_8187B_BULK_TX_BK,
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URTW_8187B_BULK_TX_VI,
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URTW_8187B_BULK_TX_VO,
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URTW_8187B_BULK_TX_EP12,
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URTW_8187B_N_XFERS = 7
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};
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enum {
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URTW_8187L_BULK_RX,
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URTW_8187L_BULK_TX_LOW,
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URTW_8187L_BULK_TX_NORMAL,
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URTW_8187L_N_XFERS = 3
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};
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/* XXX no definition at net80211? */
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#define URTW_MAX_CHANNELS 15
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struct urtw_data {
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struct urtw_softc *sc;
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uint8_t *buf;
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uint16_t buflen;
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struct mbuf *m;
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struct ieee80211_node *ni; /* NB: tx only */
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STAILQ_ENTRY(urtw_data) next;
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};
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typedef STAILQ_HEAD(, urtw_data) urtw_datahead;
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/* XXX not correct.. */
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#define URTW_MIN_RXBUFSZ \
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(sizeof(struct ieee80211_frame_min))
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#define URTW_RX_DATA_LIST_COUNT 4
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#define URTW_TX_DATA_LIST_COUNT 16
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#define URTW_RX_MAXSIZE 0x9c4
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#define URTW_TX_MAXSIZE 0x9c4
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#define URTW_TX_MAXRETRY 11
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struct urtw_rx_radiotap_header {
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struct ieee80211_radiotap_header wr_ihdr;
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uint8_t wr_flags;
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uint16_t wr_chan_freq;
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uint16_t wr_chan_flags;
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int8_t wr_dbm_antsignal;
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} __packed;
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#define URTW_RX_RADIOTAP_PRESENT \
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((1 << IEEE80211_RADIOTAP_FLAGS) | \
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(1 << IEEE80211_RADIOTAP_CHANNEL) | \
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(1 << IEEE80211_RADIOTAP_DBM_ANTSIGNAL))
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struct urtw_tx_radiotap_header {
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struct ieee80211_radiotap_header wt_ihdr;
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uint8_t wt_flags;
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uint16_t wt_chan_freq;
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uint16_t wt_chan_flags;
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} __packed;
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#define URTW_TX_RADIOTAP_PRESENT \
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((1 << IEEE80211_RADIOTAP_FLAGS) | \
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(1 << IEEE80211_RADIOTAP_CHANNEL))
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struct urtw_stats {
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unsigned int txrates[12];
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};
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struct urtw_vap {
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struct ieee80211vap vap;
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int (*newstate)(struct ieee80211vap *,
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enum ieee80211_state, int);
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};
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#define URTW_VAP(vap) ((struct urtw_vap *)(vap))
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struct urtw_softc {
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struct ifnet *sc_ifp;
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device_t sc_dev;
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struct usb_device *sc_udev;
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struct mtx sc_mtx;
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int sc_debug;
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int sc_if_flags;
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int sc_flags;
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#define URTW_INIT_ONCE (1 << 1)
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#define URTW_RTL8187B (1 << 2)
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#define URTW_RTL8187B_REV_B (1 << 3)
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#define URTW_RTL8187B_REV_D (1 << 4)
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#define URTW_RTL8187B_REV_E (1 << 5)
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enum ieee80211_state sc_state;
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int sc_epromtype;
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#define URTW_EEPROM_93C46 0
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#define URTW_EEPROM_93C56 1
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uint8_t sc_crcmon;
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uint8_t sc_bssid[IEEE80211_ADDR_LEN];
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struct ieee80211_channel *sc_curchan;
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/* for RF */
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usb_error_t (*sc_rf_init)(struct urtw_softc *);
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usb_error_t (*sc_rf_set_chan)(struct urtw_softc *,
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int);
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usb_error_t (*sc_rf_set_sens)(struct urtw_softc *,
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int);
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usb_error_t (*sc_rf_stop)(struct urtw_softc *);
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uint8_t sc_rfchip;
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uint32_t sc_max_sens;
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uint32_t sc_sens;
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/* for LED */
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struct usb_callout sc_led_ch;
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struct task sc_led_task;
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uint8_t sc_psr;
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uint8_t sc_strategy;
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#define URTW_LED_GPIO 1
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uint8_t sc_gpio_ledon;
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uint8_t sc_gpio_ledinprogress;
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uint8_t sc_gpio_ledstate;
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uint8_t sc_gpio_ledpin;
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uint8_t sc_gpio_blinktime;
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uint8_t sc_gpio_blinkstate;
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/* RX/TX */
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struct usb_xfer *sc_xfer[URTW_8187B_N_XFERS];
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#define URTW_PRIORITY_LOW 0
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#define URTW_PRIORITY_NORMAL 1
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#define URTW_DATA_TIMEOUT 10000 /* 10 sec */
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#define URTW_8187B_TXPIPE_BE 0x6 /* best effort */
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#define URTW_8187B_TXPIPE_BK 0x7 /* background */
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#define URTW_8187B_TXPIPE_VI 0x5 /* video */
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#define URTW_8187B_TXPIPE_VO 0x4 /* voice */
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#define URTW_8187B_TXPIPE_MAX 4
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struct urtw_data sc_rx[URTW_RX_DATA_LIST_COUNT];
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urtw_datahead sc_rx_active;
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urtw_datahead sc_rx_inactive;
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struct urtw_data sc_tx[URTW_TX_DATA_LIST_COUNT];
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urtw_datahead sc_tx_active;
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urtw_datahead sc_tx_inactive;
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urtw_datahead sc_tx_pending;
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uint8_t sc_rts_retry;
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uint8_t sc_tx_retry;
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uint8_t sc_preamble_mode;
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#define URTW_PREAMBLE_MODE_SHORT 1
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#define URTW_PREAMBLE_MODE_LONG 2
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struct callout sc_watchdog_ch;
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int sc_txtimer;
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int sc_currate;
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/* TX power */
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uint8_t sc_txpwr_cck[URTW_MAX_CHANNELS];
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uint8_t sc_txpwr_cck_base;
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uint8_t sc_txpwr_ofdm[URTW_MAX_CHANNELS];
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uint8_t sc_txpwr_ofdm_base;
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uint8_t sc_acmctl;
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uint64_t sc_txstatus; /* only for 8187B */
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struct task sc_updateslot_task;
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struct urtw_stats sc_stats;
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struct urtw_rx_radiotap_header sc_rxtap;
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int sc_rxtap_len;
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struct urtw_tx_radiotap_header sc_txtap;
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int sc_txtap_len;
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};
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#define URTW_LOCK(sc) mtx_lock(&(sc)->sc_mtx)
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#define URTW_UNLOCK(sc) mtx_unlock(&(sc)->sc_mtx)
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#define URTW_ASSERT_LOCKED(sc) mtx_assert(&(sc)->sc_mtx, MA_OWNED)
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