1 /* $FreeBSD$ */ 2 3 /*- 4 * Copyright (c) 2005 5 * Damien Bergamini <damien.bergamini@free.fr> 6 * 7 * Permission to use, copy, modify, and distribute this software for any 8 * purpose with or without fee is hereby granted, provided that the above 9 * copyright notice and this permission notice appear in all copies. 10 * 11 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 12 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 13 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 14 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 15 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 16 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 17 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 18 */ 19 20 struct rt2661_rx_radiotap_header { 21 struct ieee80211_radiotap_header wr_ihdr; 22 uint64_t wr_tsf; 23 uint8_t wr_flags; 24 uint8_t wr_rate; 25 uint16_t wr_chan_freq; 26 uint16_t wr_chan_flags; 27 uint8_t wr_antsignal; 28 } __packed; 29 30 #define RT2661_RX_RADIOTAP_PRESENT \ 31 ((1 << IEEE80211_RADIOTAP_TSFT) | \ 32 (1 << IEEE80211_RADIOTAP_FLAGS) | \ 33 (1 << IEEE80211_RADIOTAP_RATE) | \ 34 (1 << IEEE80211_RADIOTAP_CHANNEL) | \ 35 (1 << IEEE80211_RADIOTAP_DB_ANTSIGNAL)) 36 37 struct rt2661_tx_radiotap_header { 38 struct ieee80211_radiotap_header wt_ihdr; 39 uint8_t wt_flags; 40 uint8_t wt_rate; 41 uint16_t wt_chan_freq; 42 uint16_t wt_chan_flags; 43 } __packed; 44 45 #define RT2661_TX_RADIOTAP_PRESENT \ 46 ((1 << IEEE80211_RADIOTAP_FLAGS) | \ 47 (1 << IEEE80211_RADIOTAP_RATE) | \ 48 (1 << IEEE80211_RADIOTAP_CHANNEL)) 49 50 struct rt2661_tx_data { 51 bus_dmamap_t map; 52 struct mbuf *m; 53 struct ieee80211_node *ni; 54 uint8_t rix; 55 int8_t rssi; 56 }; 57 58 struct rt2661_tx_ring { 59 bus_dma_tag_t desc_dmat; 60 bus_dma_tag_t data_dmat; 61 bus_dmamap_t desc_map; 62 bus_addr_t physaddr; 63 struct rt2661_tx_desc *desc; 64 struct rt2661_tx_data *data; 65 int count; 66 int queued; 67 int cur; 68 int next; 69 int stat; 70 }; 71 72 struct rt2661_rx_data { 73 bus_dmamap_t map; 74 struct mbuf *m; 75 }; 76 77 struct rt2661_rx_ring { 78 bus_dma_tag_t desc_dmat; 79 bus_dma_tag_t data_dmat; 80 bus_dmamap_t desc_map; 81 bus_addr_t physaddr; 82 struct rt2661_rx_desc *desc; 83 struct rt2661_rx_data *data; 84 int count; 85 int cur; 86 int next; 87 }; 88 89 struct rt2661_node { 90 struct ieee80211_node ni; 91 struct ieee80211_amrr_node amrr; 92 }; 93 #define RT2661_NODE(ni) ((struct rt2661_node *)(ni)) 94 95 struct rt2661_vap { 96 struct ieee80211vap ral_vap; 97 struct ieee80211_amrr amrr; 98 99 int (*ral_newstate)(struct ieee80211vap *, 100 enum ieee80211_state, int); 101 }; 102 #define RT2661_VAP(vap) ((struct rt2661_vap *)(vap)) 103 104 struct rt2661_softc { 105 struct ifnet *sc_ifp; 106 device_t sc_dev; 107 bus_space_tag_t sc_st; 108 bus_space_handle_t sc_sh; 109 110 struct mtx sc_mtx; 111 112 struct callout watchdog_ch; 113 114 int sc_tx_timer; 115 int sc_invalid; 116 int sc_debug; 117 118 const struct ieee80211_rate_table *sc_rates; 119 /* 120 * The same in both up to here 121 * ------------------------------------------------ 122 */ 123 124 int sc_flags; 125 #define RAL_FW_LOADED 0x1 126 #define RAL_INPUT_RUNNING 0x2 127 int sc_id; 128 struct ieee80211_channel *sc_curchan; 129 130 uint8_t rf_rev; 131 132 uint8_t rfprog; 133 uint8_t rffreq; 134 135 struct rt2661_tx_ring txq[4]; 136 struct rt2661_tx_ring mgtq; 137 struct rt2661_rx_ring rxq; 138 139 uint32_t rf_regs[4]; 140 int8_t txpow[38]; 141 142 struct { 143 uint8_t reg; 144 uint8_t val; 145 } bbp_prom[16]; 146 147 int hw_radio; 148 int rx_ant; 149 int tx_ant; 150 int nb_ant; 151 int ext_2ghz_lna; 152 int ext_5ghz_lna; 153 int rssi_2ghz_corr; 154 int rssi_5ghz_corr; 155 156 uint8_t bbp18; 157 uint8_t bbp21; 158 uint8_t bbp22; 159 uint8_t bbp16; 160 uint8_t bbp17; 161 uint8_t bbp64; 162 163 int dwelltime; 164 165 struct rt2661_rx_radiotap_header sc_rxtap; 166 int sc_rxtap_len; 167 struct rt2661_tx_radiotap_header sc_txtap; 168 int sc_txtap_len; 169 }; 170 171 int rt2661_attach(device_t, int); 172 int rt2661_detach(void *); 173 void rt2661_shutdown(void *); 174 void rt2661_suspend(void *); 175 void rt2661_resume(void *); 176 void rt2661_intr(void *); 177 178 #define RAL_LOCK(sc) mtx_lock(&(sc)->sc_mtx) 179 #define RAL_LOCK_ASSERT(sc) mtx_assert(&(sc)->sc_mtx, MA_OWNED) 180 #define RAL_UNLOCK(sc) mtx_unlock(&(sc)->sc_mtx) 181