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 int8_t wr_antsignal; 28 int8_t wr_antnoise; 29 } __packed __aligned(8); 30 31 #define RT2661_RX_RADIOTAP_PRESENT \ 32 ((1 << IEEE80211_RADIOTAP_TSFT) | \ 33 (1 << IEEE80211_RADIOTAP_FLAGS) | \ 34 (1 << IEEE80211_RADIOTAP_RATE) | \ 35 (1 << IEEE80211_RADIOTAP_CHANNEL) | \ 36 (1 << IEEE80211_RADIOTAP_DBM_ANTSIGNAL) | \ 37 (1 << IEEE80211_RADIOTAP_DBM_ANTNOISE)) 38 39 struct rt2661_tx_radiotap_header { 40 struct ieee80211_radiotap_header wt_ihdr; 41 uint8_t wt_flags; 42 uint8_t wt_rate; 43 uint16_t wt_chan_freq; 44 uint16_t wt_chan_flags; 45 } __packed __aligned(8); 46 47 #define RT2661_TX_RADIOTAP_PRESENT \ 48 ((1 << IEEE80211_RADIOTAP_FLAGS) | \ 49 (1 << IEEE80211_RADIOTAP_RATE) | \ 50 (1 << IEEE80211_RADIOTAP_CHANNEL)) 51 52 struct rt2661_tx_data { 53 bus_dmamap_t map; 54 struct mbuf *m; 55 struct ieee80211_node *ni; 56 uint8_t rix; 57 int8_t rssi; 58 }; 59 60 struct rt2661_tx_ring { 61 bus_dma_tag_t desc_dmat; 62 bus_dma_tag_t data_dmat; 63 bus_dmamap_t desc_map; 64 bus_addr_t physaddr; 65 struct rt2661_tx_desc *desc; 66 struct rt2661_tx_data *data; 67 int count; 68 int queued; 69 int cur; 70 int next; 71 int stat; 72 }; 73 74 struct rt2661_rx_data { 75 bus_dmamap_t map; 76 struct mbuf *m; 77 }; 78 79 struct rt2661_rx_ring { 80 bus_dma_tag_t desc_dmat; 81 bus_dma_tag_t data_dmat; 82 bus_dmamap_t desc_map; 83 bus_addr_t physaddr; 84 struct rt2661_rx_desc *desc; 85 struct rt2661_rx_data *data; 86 int count; 87 int cur; 88 int next; 89 }; 90 91 struct rt2661_vap { 92 struct ieee80211vap ral_vap; 93 94 int (*ral_newstate)(struct ieee80211vap *, 95 enum ieee80211_state, int); 96 }; 97 #define RT2661_VAP(vap) ((struct rt2661_vap *)(vap)) 98 99 struct rt2661_softc { 100 struct ieee80211com sc_ic; 101 struct mtx sc_mtx; 102 struct mbufq sc_snd; 103 device_t sc_dev; 104 bus_space_tag_t sc_st; 105 bus_space_handle_t sc_sh; 106 107 struct callout watchdog_ch; 108 109 int sc_tx_timer; 110 int sc_invalid; 111 int sc_debug; 112 /* 113 * The same in both up to here 114 * ------------------------------------------------ 115 */ 116 117 int sc_flags; 118 #define RAL_FW_LOADED 0x1 119 #define RAL_INPUT_RUNNING 0x2 120 #define RAL_RUNNING 0x4 121 int sc_id; 122 struct ieee80211_channel *sc_curchan; 123 124 uint8_t rf_rev; 125 126 uint8_t rfprog; 127 uint8_t rffreq; 128 129 struct rt2661_tx_ring txq[4]; 130 struct rt2661_tx_ring mgtq; 131 struct rt2661_rx_ring rxq; 132 133 uint32_t rf_regs[4]; 134 int8_t txpow[38]; 135 136 struct { 137 uint8_t reg; 138 uint8_t val; 139 } bbp_prom[16]; 140 141 int hw_radio; 142 int rx_ant; 143 int tx_ant; 144 int nb_ant; 145 int ext_2ghz_lna; 146 int ext_5ghz_lna; 147 int rssi_2ghz_corr; 148 int rssi_5ghz_corr; 149 150 uint8_t bbp18; 151 uint8_t bbp21; 152 uint8_t bbp22; 153 uint8_t bbp16; 154 uint8_t bbp17; 155 uint8_t bbp64; 156 157 int dwelltime; 158 159 struct rt2661_rx_radiotap_header sc_rxtap; 160 struct rt2661_tx_radiotap_header sc_txtap; 161 }; 162 163 int rt2661_attach(device_t, int); 164 int rt2661_detach(void *); 165 void rt2661_shutdown(void *); 166 void rt2661_suspend(void *); 167 void rt2661_resume(void *); 168 void rt2661_intr(void *); 169 170 #define RAL_LOCK(sc) mtx_lock(&(sc)->sc_mtx) 171 #define RAL_LOCK_ASSERT(sc) mtx_assert(&(sc)->sc_mtx, MA_OWNED) 172 #define RAL_UNLOCK(sc) mtx_unlock(&(sc)->sc_mtx) 173