1 | /* $FreeBSD$ */ |
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2 | |
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3 | /*- |
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4 | * Copyright (c) 2008 Weongyo Jeong <weongyo@FreeBSD.org> |
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5 | * |
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6 | * Permission to use, copy, modify, and distribute this software for any |
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7 | * purpose with or without fee is hereby granted, provided that the above |
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8 | * copyright notice and this permission notice appear in all copies. |
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9 | * |
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10 | * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES |
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11 | * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF |
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12 | * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR |
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13 | * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES |
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14 | * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN |
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15 | * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF |
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16 | * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. |
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17 | */ |
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18 | |
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19 | enum { |
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20 | URTW_8187B_BULK_RX, |
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21 | URTW_8187B_BULK_TX_STATUS, |
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22 | URTW_8187B_BULK_TX_BE, |
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23 | URTW_8187B_BULK_TX_BK, |
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24 | URTW_8187B_BULK_TX_VI, |
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25 | URTW_8187B_BULK_TX_VO, |
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26 | URTW_8187B_BULK_TX_EP12, |
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27 | URTW_8187B_N_XFERS = 7 |
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28 | }; |
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29 | |
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30 | enum { |
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31 | URTW_8187L_BULK_RX, |
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32 | URTW_8187L_BULK_TX_LOW, |
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33 | URTW_8187L_BULK_TX_NORMAL, |
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34 | URTW_8187L_N_XFERS = 3 |
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35 | }; |
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36 | |
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37 | /* XXX no definition at net80211? */ |
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38 | #define URTW_MAX_CHANNELS 15 |
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39 | |
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40 | struct urtw_data { |
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41 | struct urtw_softc *sc; |
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42 | uint8_t *buf; |
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43 | uint16_t buflen; |
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44 | struct mbuf *m; |
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45 | struct ieee80211_node *ni; /* NB: tx only */ |
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46 | STAILQ_ENTRY(urtw_data) next; |
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47 | }; |
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48 | typedef STAILQ_HEAD(, urtw_data) urtw_datahead; |
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49 | |
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50 | /* XXX not correct.. */ |
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51 | #define URTW_MIN_RXBUFSZ \ |
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52 | (sizeof(struct ieee80211_frame_min)) |
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53 | |
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54 | #define URTW_RX_DATA_LIST_COUNT 4 |
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55 | #define URTW_TX_DATA_LIST_COUNT 16 |
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56 | #define URTW_RX_MAXSIZE 0x9c4 |
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57 | #define URTW_TX_MAXSIZE 0x9c4 |
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58 | #define URTW_TX_MAXRETRY 11 |
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59 | |
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60 | struct urtw_rx_radiotap_header { |
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61 | struct ieee80211_radiotap_header wr_ihdr; |
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62 | uint8_t wr_flags; |
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63 | uint16_t wr_chan_freq; |
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64 | uint16_t wr_chan_flags; |
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65 | int8_t wr_dbm_antsignal; |
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66 | } __packed __aligned(8); |
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67 | |
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68 | #define URTW_RX_RADIOTAP_PRESENT \ |
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69 | ((1 << IEEE80211_RADIOTAP_FLAGS) | \ |
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70 | (1 << IEEE80211_RADIOTAP_CHANNEL) | \ |
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71 | (1 << IEEE80211_RADIOTAP_DBM_ANTSIGNAL)) |
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72 | |
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73 | struct urtw_tx_radiotap_header { |
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74 | struct ieee80211_radiotap_header wt_ihdr; |
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75 | uint8_t wt_flags; |
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76 | uint16_t wt_chan_freq; |
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77 | uint16_t wt_chan_flags; |
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78 | } __packed __aligned(8); |
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79 | |
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80 | #define URTW_TX_RADIOTAP_PRESENT \ |
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81 | ((1 << IEEE80211_RADIOTAP_FLAGS) | \ |
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82 | (1 << IEEE80211_RADIOTAP_CHANNEL)) |
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83 | |
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84 | struct urtw_stats { |
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85 | unsigned int txrates[12]; |
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86 | }; |
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87 | |
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88 | struct urtw_vap { |
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89 | struct ieee80211vap vap; |
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90 | int (*newstate)(struct ieee80211vap *, |
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91 | enum ieee80211_state, int); |
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92 | }; |
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93 | #define URTW_VAP(vap) ((struct urtw_vap *)(vap)) |
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94 | |
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95 | struct urtw_softc { |
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96 | struct ieee80211com sc_ic; |
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97 | struct mbufq sc_snd; |
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98 | device_t sc_dev; |
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99 | struct usb_device *sc_udev; |
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100 | struct mtx sc_mtx; |
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101 | void *sc_tx_dma_buf; |
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102 | |
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103 | int sc_debug; |
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104 | int sc_flags; |
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105 | #define URTW_INIT_ONCE (1 << 1) |
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106 | #define URTW_RTL8187B (1 << 2) |
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107 | #define URTW_RTL8187B_REV_B (1 << 3) |
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108 | #define URTW_RTL8187B_REV_D (1 << 4) |
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109 | #define URTW_RTL8187B_REV_E (1 << 5) |
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110 | #define URTW_DETACHED (1 << 6) |
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111 | #define URTW_RUNNING (1 << 7) |
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112 | enum ieee80211_state sc_state; |
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113 | |
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114 | int sc_epromtype; |
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115 | #define URTW_EEPROM_93C46 0 |
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116 | #define URTW_EEPROM_93C56 1 |
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117 | uint8_t sc_crcmon; |
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118 | |
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119 | struct ieee80211_channel *sc_curchan; |
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120 | |
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121 | /* for RF */ |
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122 | usb_error_t (*sc_rf_init)(struct urtw_softc *); |
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123 | usb_error_t (*sc_rf_set_chan)(struct urtw_softc *, |
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124 | int); |
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125 | usb_error_t (*sc_rf_set_sens)(struct urtw_softc *, |
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126 | int); |
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127 | usb_error_t (*sc_rf_stop)(struct urtw_softc *); |
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128 | uint8_t sc_rfchip; |
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129 | uint32_t sc_max_sens; |
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130 | uint32_t sc_sens; |
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131 | /* for LED */ |
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132 | struct usb_callout sc_led_ch; |
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133 | struct task sc_led_task; |
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134 | uint8_t sc_psr; |
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135 | uint8_t sc_strategy; |
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136 | #define URTW_LED_GPIO 1 |
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137 | uint8_t sc_gpio_ledon; |
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138 | uint8_t sc_gpio_ledinprogress; |
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139 | uint8_t sc_gpio_ledstate; |
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140 | uint8_t sc_gpio_ledpin; |
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141 | uint8_t sc_gpio_blinktime; |
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142 | uint8_t sc_gpio_blinkstate; |
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143 | /* RX/TX */ |
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144 | struct usb_xfer *sc_xfer[URTW_8187B_N_XFERS]; |
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145 | #define URTW_PRIORITY_LOW 0 |
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146 | #define URTW_PRIORITY_NORMAL 1 |
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147 | #define URTW_DATA_TIMEOUT 10000 /* 10 sec */ |
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148 | #define URTW_8187B_TXPIPE_BE 0x6 /* best effort */ |
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149 | #define URTW_8187B_TXPIPE_BK 0x7 /* background */ |
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150 | #define URTW_8187B_TXPIPE_VI 0x5 /* video */ |
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151 | #define URTW_8187B_TXPIPE_VO 0x4 /* voice */ |
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152 | #define URTW_8187B_TXPIPE_MAX 4 |
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153 | struct urtw_data sc_rx[URTW_RX_DATA_LIST_COUNT]; |
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154 | urtw_datahead sc_rx_active; |
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155 | urtw_datahead sc_rx_inactive; |
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156 | struct urtw_data sc_tx[URTW_TX_DATA_LIST_COUNT]; |
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157 | urtw_datahead sc_tx_active; |
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158 | urtw_datahead sc_tx_inactive; |
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159 | urtw_datahead sc_tx_pending; |
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160 | uint8_t sc_rts_retry; |
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161 | uint8_t sc_tx_retry; |
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162 | uint8_t sc_preamble_mode; |
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163 | #define URTW_PREAMBLE_MODE_SHORT 1 |
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164 | #define URTW_PREAMBLE_MODE_LONG 2 |
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165 | struct callout sc_watchdog_ch; |
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166 | int sc_txtimer; |
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167 | int sc_currate; |
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168 | /* TX power */ |
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169 | uint8_t sc_txpwr_cck[URTW_MAX_CHANNELS]; |
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170 | uint8_t sc_txpwr_cck_base; |
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171 | uint8_t sc_txpwr_ofdm[URTW_MAX_CHANNELS]; |
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172 | uint8_t sc_txpwr_ofdm_base; |
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173 | |
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174 | uint8_t sc_acmctl; |
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175 | uint64_t sc_txstatus; /* only for 8187B */ |
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176 | struct task sc_updateslot_task; |
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177 | |
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178 | struct urtw_stats sc_stats; |
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179 | |
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180 | struct urtw_rx_radiotap_header sc_rxtap; |
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181 | struct urtw_tx_radiotap_header sc_txtap; |
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182 | }; |
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183 | |
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184 | #define URTW_LOCK(sc) mtx_lock(&(sc)->sc_mtx) |
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185 | #define URTW_UNLOCK(sc) mtx_unlock(&(sc)->sc_mtx) |
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186 | #define URTW_ASSERT_LOCKED(sc) mtx_assert(&(sc)->sc_mtx, MA_OWNED) |
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