1 | /* $FreeBSD$ */ |
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2 | |
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3 | /*- |
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4 | * Copyright (c) 2005, 2006 Damien Bergamini <damien.bergamini@free.fr> |
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5 | * Copyright (c) 2006 Niall O'Higgins <niallo@openbsd.org> |
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6 | * |
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7 | * Permission to use, copy, modify, and distribute this software for any |
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8 | * purpose with or without fee is hereby granted, provided that the above |
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9 | * copyright notice and this permission notice appear in all copies. |
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10 | * |
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11 | * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES |
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12 | * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF |
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13 | * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR |
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14 | * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES |
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15 | * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN |
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16 | * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF |
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17 | * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. |
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18 | */ |
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19 | |
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20 | #define RUM_TX_LIST_COUNT 8 |
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21 | #define RUM_TX_MINFREE 2 |
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22 | |
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23 | struct rum_rx_radiotap_header { |
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24 | struct ieee80211_radiotap_header wr_ihdr; |
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25 | uint64_t wr_tsf; |
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26 | uint8_t wr_flags; |
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27 | uint8_t wr_rate; |
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28 | uint16_t wr_chan_freq; |
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29 | uint16_t wr_chan_flags; |
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30 | int8_t wr_antsignal; |
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31 | int8_t wr_antnoise; |
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32 | uint8_t wr_antenna; |
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33 | } __packed __aligned(8); |
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34 | |
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35 | #define RT2573_RX_RADIOTAP_PRESENT \ |
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36 | ((1 << IEEE80211_RADIOTAP_TSFT) | \ |
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37 | (1 << IEEE80211_RADIOTAP_FLAGS) | \ |
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38 | (1 << IEEE80211_RADIOTAP_RATE) | \ |
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39 | (1 << IEEE80211_RADIOTAP_CHANNEL) | \ |
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40 | (1 << IEEE80211_RADIOTAP_DBM_ANTSIGNAL) | \ |
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41 | (1 << IEEE80211_RADIOTAP_DBM_ANTNOISE) | \ |
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42 | (1 << IEEE80211_RADIOTAP_ANTENNA) | \ |
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43 | 0) |
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44 | |
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45 | struct rum_tx_radiotap_header { |
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46 | struct ieee80211_radiotap_header wt_ihdr; |
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47 | uint8_t wt_flags; |
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48 | uint8_t wt_rate; |
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49 | uint16_t wt_chan_freq; |
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50 | uint16_t wt_chan_flags; |
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51 | uint8_t wt_antenna; |
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52 | } __packed __aligned(8); |
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53 | |
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54 | #define RT2573_TX_RADIOTAP_PRESENT \ |
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55 | ((1 << IEEE80211_RADIOTAP_FLAGS) | \ |
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56 | (1 << IEEE80211_RADIOTAP_RATE) | \ |
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57 | (1 << IEEE80211_RADIOTAP_CHANNEL) | \ |
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58 | (1 << IEEE80211_RADIOTAP_ANTENNA)) |
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59 | |
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60 | struct rum_softc; |
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61 | |
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62 | struct rum_tx_data { |
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63 | STAILQ_ENTRY(rum_tx_data) next; |
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64 | struct rum_softc *sc; |
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65 | struct rum_tx_desc desc; |
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66 | struct mbuf *m; |
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67 | struct ieee80211_node *ni; |
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68 | int rate; |
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69 | }; |
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70 | typedef STAILQ_HEAD(, rum_tx_data) rum_txdhead; |
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71 | |
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72 | union sec_param { |
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73 | struct ieee80211_key key; |
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74 | uint8_t macaddr[IEEE80211_ADDR_LEN]; |
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75 | struct ieee80211vap *vap; |
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76 | }; |
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77 | #define CMD_FUNC_PROTO void (*func)(struct rum_softc *, \ |
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78 | union sec_param *, uint8_t) |
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79 | |
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80 | struct rum_cmdq { |
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81 | union sec_param data; |
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82 | uint8_t rvp_id; |
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83 | |
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84 | CMD_FUNC_PROTO; |
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85 | }; |
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86 | #define RUM_CMDQ_SIZE 16 |
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87 | |
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88 | struct rum_vap { |
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89 | struct ieee80211vap vap; |
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90 | struct mbuf *bcn_mbuf; |
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91 | struct usb_callout ratectl_ch; |
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92 | struct task ratectl_task; |
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93 | uint8_t maxretry; |
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94 | |
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95 | int (*newstate)(struct ieee80211vap *, |
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96 | enum ieee80211_state, int); |
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97 | void (*bmiss)(struct ieee80211vap *); |
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98 | void (*recv_mgmt)(struct ieee80211_node *, |
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99 | struct mbuf *, int, |
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100 | const struct ieee80211_rx_stats *, |
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101 | int, int); |
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102 | }; |
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103 | #define RUM_VAP(vap) ((struct rum_vap *)(vap)) |
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104 | |
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105 | enum { |
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106 | RUM_BULK_WR, |
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107 | RUM_BULK_RD, |
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108 | RUM_N_TRANSFER = 2, |
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109 | }; |
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110 | |
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111 | struct rum_softc { |
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112 | struct ieee80211com sc_ic; |
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113 | struct ieee80211_ratectl_tx_stats sc_txs; |
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114 | struct mbufq sc_snd; |
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115 | device_t sc_dev; |
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116 | struct usb_device *sc_udev; |
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117 | |
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118 | struct usb_xfer *sc_xfer[RUM_N_TRANSFER]; |
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119 | |
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120 | uint8_t rf_rev; |
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121 | uint8_t rffreq; |
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122 | |
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123 | struct rum_tx_data tx_data[RUM_TX_LIST_COUNT]; |
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124 | rum_txdhead tx_q; |
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125 | rum_txdhead tx_free; |
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126 | int tx_nfree; |
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127 | struct rum_rx_desc sc_rx_desc; |
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128 | |
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129 | struct mtx sc_mtx; |
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130 | |
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131 | int sc_sleep_end; |
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132 | int sc_sleep_time; |
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133 | uint8_t last_rx_flags; |
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134 | |
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135 | struct rum_cmdq cmdq[RUM_CMDQ_SIZE]; |
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136 | struct mtx cmdq_mtx; |
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137 | struct task cmdq_task; |
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138 | uint8_t cmdq_first; |
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139 | uint8_t cmdq_last; |
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140 | |
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141 | uint32_t sta[6]; |
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142 | uint32_t rf_regs[4]; |
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143 | uint8_t txpow[44]; |
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144 | u_int sc_detached:1, |
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145 | sc_running:1, |
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146 | sc_sleeping:1, |
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147 | sc_clr_shkeys:1; |
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148 | |
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149 | uint8_t sc_bssid[IEEE80211_ADDR_LEN]; |
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150 | struct wmeParams wme_params[WME_NUM_AC]; |
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151 | |
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152 | uint8_t vap_key_count[1]; |
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153 | uint64_t keys_bmap; |
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154 | |
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155 | struct { |
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156 | uint8_t val; |
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157 | uint8_t reg; |
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158 | } __packed bbp_prom[16]; |
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159 | |
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160 | int hw_radio; |
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161 | int rx_ant; |
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162 | int tx_ant; |
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163 | int nb_ant; |
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164 | int ext_2ghz_lna; |
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165 | int ext_5ghz_lna; |
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166 | int rssi_2ghz_corr; |
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167 | int rssi_5ghz_corr; |
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168 | uint8_t bbp17; |
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169 | |
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170 | struct rum_rx_radiotap_header sc_rxtap; |
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171 | struct rum_tx_radiotap_header sc_txtap; |
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172 | }; |
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173 | |
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174 | #define RUM_LOCK_INIT(sc) \ |
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175 | mtx_init(&(sc)->sc_mtx, device_get_nameunit((sc)->sc_dev), \ |
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176 | MTX_NETWORK_LOCK, MTX_DEF); |
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177 | #define RUM_LOCK(sc) mtx_lock(&(sc)->sc_mtx) |
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178 | #define RUM_UNLOCK(sc) mtx_unlock(&(sc)->sc_mtx) |
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179 | #define RUM_LOCK_ASSERT(sc) mtx_assert(&(sc)->sc_mtx, MA_OWNED) |
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180 | #define RUM_LOCK_DESTROY(sc) mtx_destroy(&(sc)->sc_mtx) |
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181 | |
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182 | #define RUM_CMDQ_LOCK_INIT(sc) \ |
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183 | mtx_init(&(sc)->cmdq_mtx, "cmdq lock", NULL, MTX_DEF) |
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184 | #define RUM_CMDQ_LOCK(sc) mtx_lock(&(sc)->cmdq_mtx) |
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185 | #define RUM_CMDQ_UNLOCK(sc) mtx_unlock(&(sc)->cmdq_mtx) |
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186 | #define RUM_CMDQ_LOCK_DESTROY(sc) mtx_destroy(&(sc)->cmdq_mtx) |
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