1 2/*- 3 * Copyright (c) 2008 Weongyo Jeong <weongyo@FreeBSD.org> 4 * 5 * Permission to use, copy, modify, and distribute this software for any 6 * purpose with or without fee is hereby granted, provided that the above 7 * copyright notice and this permission notice appear in all copies. 8 * 9 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 10 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 11 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 12 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 13 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 14 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 15 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 16 */ 17 18enum { 19 URTW_8187B_BULK_RX, 20 URTW_8187B_BULK_TX_STATUS, 21 URTW_8187B_BULK_TX_BE, 22 URTW_8187B_BULK_TX_BK, 23 URTW_8187B_BULK_TX_VI, 24 URTW_8187B_BULK_TX_VO, 25 URTW_8187B_BULK_TX_EP12, 26 URTW_8187B_N_XFERS = 7 27}; 28 29enum { 30 URTW_8187L_BULK_RX, 31 URTW_8187L_BULK_TX_LOW, 32 URTW_8187L_BULK_TX_NORMAL, 33 URTW_8187L_N_XFERS = 3 34}; 35 36/* XXX no definition at net80211? */ 37#define URTW_MAX_CHANNELS 15 38 39struct urtw_data { 40 struct urtw_softc *sc; 41 uint8_t *buf; 42 uint16_t buflen; 43 struct mbuf *m; 44 struct ieee80211_node *ni; /* NB: tx only */ 45 STAILQ_ENTRY(urtw_data) next; 46}; 47typedef STAILQ_HEAD(, urtw_data) urtw_datahead; 48 49#define URTW_RX_DATA_LIST_COUNT 4 50#define URTW_TX_DATA_LIST_COUNT 16 51#define URTW_RX_MAXSIZE 0x9c4 52#define URTW_TX_MAXSIZE 0x9c4 53#define URTW_TX_MAXRETRY 11 54 55struct urtw_rx_radiotap_header { 56 struct ieee80211_radiotap_header wr_ihdr; 57 uint64_t wr_tsf; 58 uint8_t wr_flags; 59 uint8_t wr_pad; 60 uint16_t wr_chan_freq; 61 uint16_t wr_chan_flags; 62 int8_t wr_dbm_antsignal; 63} __packed __aligned(8); 64 65#define URTW_RX_RADIOTAP_PRESENT \ 66 ((1 << IEEE80211_RADIOTAP_TSFT) | \ 67 (1 << IEEE80211_RADIOTAP_FLAGS) | \ 68 (1 << IEEE80211_RADIOTAP_CHANNEL) | \ 69 (1 << IEEE80211_RADIOTAP_DBM_ANTSIGNAL)) 70 71struct urtw_tx_radiotap_header { 72 struct ieee80211_radiotap_header wt_ihdr; 73 uint8_t wt_flags; 74 uint8_t wt_pad; 75 uint16_t wt_chan_freq; 76 uint16_t wt_chan_flags; 77} __packed; 78 79#define URTW_TX_RADIOTAP_PRESENT \ 80 ((1 << IEEE80211_RADIOTAP_FLAGS) | \ 81 (1 << IEEE80211_RADIOTAP_CHANNEL)) 82 83struct urtw_stats { 84 unsigned txrates[12]; 85}; 86 87struct urtw_vap { 88 struct ieee80211vap vap; 89 int (*newstate)(struct ieee80211vap *, 90 enum ieee80211_state, int); 91}; 92#define URTW_VAP(vap) ((struct urtw_vap *)(vap)) 93 94struct urtw_softc { 95 struct ieee80211com sc_ic; 96 struct mbufq sc_snd; 97 device_t sc_dev; 98 struct usb_device *sc_udev; 99 struct mtx sc_mtx; 100 void *sc_tx_dma_buf; 101 102 int sc_debug; 103 int sc_flags; 104#define URTW_INIT_ONCE (1 << 1) 105#define URTW_RTL8187B (1 << 2) 106#define URTW_RTL8187B_REV_B (1 << 3) 107#define URTW_RTL8187B_REV_D (1 << 4) 108#define URTW_RTL8187B_REV_E (1 << 5) 109#define URTW_DETACHED (1 << 6) 110#define URTW_RUNNING (1 << 7) 111 enum ieee80211_state sc_state; 112 113 int sc_epromtype; 114#define URTW_EEPROM_93C46 0 115#define URTW_EEPROM_93C56 1 116 uint8_t sc_crcmon; 117 118 struct ieee80211_channel *sc_curchan; 119 120 /* for RF */ 121 usb_error_t (*sc_rf_init)(struct urtw_softc *); 122 usb_error_t (*sc_rf_set_chan)(struct urtw_softc *, 123 int); 124 usb_error_t (*sc_rf_set_sens)(struct urtw_softc *, 125 int); 126 usb_error_t (*sc_rf_stop)(struct urtw_softc *); 127 uint8_t sc_rfchip; 128 uint32_t sc_max_sens; 129 uint32_t sc_sens; 130 /* for LED */ 131 struct usb_callout sc_led_ch; 132 struct task sc_led_task; 133 uint8_t sc_psr; 134 uint8_t sc_strategy; 135#define URTW_LED_GPIO 1 136 uint8_t sc_gpio_ledon; 137 uint8_t sc_gpio_ledinprogress; 138 uint8_t sc_gpio_ledstate; 139 uint8_t sc_gpio_ledpin; 140 uint8_t sc_gpio_blinktime; 141 uint8_t sc_gpio_blinkstate; 142 /* RX/TX */ 143 struct usb_xfer *sc_xfer[URTW_8187B_N_XFERS]; 144#define URTW_PRIORITY_LOW 0 145#define URTW_PRIORITY_NORMAL 1 146#define URTW_DATA_TIMEOUT 10000 /* 10 sec */ 147#define URTW_8187B_TXPIPE_BE 0x6 /* best effort */ 148#define URTW_8187B_TXPIPE_BK 0x7 /* background */ 149#define URTW_8187B_TXPIPE_VI 0x5 /* video */ 150#define URTW_8187B_TXPIPE_VO 0x4 /* voice */ 151#define URTW_8187B_TXPIPE_MAX 4 152 struct urtw_data sc_rx[URTW_RX_DATA_LIST_COUNT]; 153 urtw_datahead sc_rx_active; 154 urtw_datahead sc_rx_inactive; 155 struct urtw_data sc_tx[URTW_TX_DATA_LIST_COUNT]; 156 urtw_datahead sc_tx_active; 157 urtw_datahead sc_tx_inactive; 158 urtw_datahead sc_tx_pending; 159 uint8_t sc_rts_retry; 160 uint8_t sc_tx_retry; 161 uint8_t sc_preamble_mode; 162#define URTW_PREAMBLE_MODE_SHORT 1 163#define URTW_PREAMBLE_MODE_LONG 2 164 struct callout sc_watchdog_ch; 165 int sc_txtimer; 166 int sc_currate; 167 /* TX power */ 168 uint8_t sc_txpwr_cck[URTW_MAX_CHANNELS]; 169 uint8_t sc_txpwr_cck_base; 170 uint8_t sc_txpwr_ofdm[URTW_MAX_CHANNELS]; 171 uint8_t sc_txpwr_ofdm_base; 172 173 uint8_t sc_acmctl; 174 uint64_t sc_txstatus; /* only for 8187B */ 175 struct task sc_updateslot_task; 176 177 struct urtw_stats sc_stats; 178 179 struct urtw_rx_radiotap_header sc_rxtap; 180 struct urtw_tx_radiotap_header sc_txtap; 181}; 182 183#define URTW_LOCK(sc) mtx_lock(&(sc)->sc_mtx) 184#define URTW_UNLOCK(sc) mtx_unlock(&(sc)->sc_mtx) 185#define URTW_ASSERT_LOCKED(sc) mtx_assert(&(sc)->sc_mtx, MA_OWNED) 186