1 /* $FreeBSD$ */ 2 3 /*- 4 * Copyright (c) 2005, 2006 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 rt2560_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_antenna; 28 uint8_t wr_antsignal; 29 }; 30 31 #define RT2560_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_ANTENNA) | \ 37 (1 << IEEE80211_RADIOTAP_DB_ANTSIGNAL)) 38 39 struct rt2560_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 uint8_t wt_antenna; 46 }; 47 48 #define RT2560_TX_RADIOTAP_PRESENT \ 49 ((1 << IEEE80211_RADIOTAP_FLAGS) | \ 50 (1 << IEEE80211_RADIOTAP_RATE) | \ 51 (1 << IEEE80211_RADIOTAP_CHANNEL) | \ 52 (1 << IEEE80211_RADIOTAP_ANTENNA)) 53 54 struct rt2560_tx_data { 55 bus_dmamap_t map; 56 struct mbuf *m; 57 struct ieee80211_node *ni; 58 uint8_t rix; 59 int8_t rssi; 60 }; 61 62 struct rt2560_tx_ring { 63 bus_dma_tag_t desc_dmat; 64 bus_dma_tag_t data_dmat; 65 bus_dmamap_t desc_map; 66 bus_addr_t physaddr; 67 struct rt2560_tx_desc *desc; 68 struct rt2560_tx_data *data; 69 int count; 70 int queued; 71 int cur; 72 int next; 73 int cur_encrypt; 74 int next_encrypt; 75 }; 76 77 struct rt2560_rx_data { 78 bus_dmamap_t map; 79 struct mbuf *m; 80 int drop; 81 }; 82 83 struct rt2560_rx_ring { 84 bus_dma_tag_t desc_dmat; 85 bus_dma_tag_t data_dmat; 86 bus_dmamap_t desc_map; 87 bus_addr_t physaddr; 88 struct rt2560_rx_desc *desc; 89 struct rt2560_rx_data *data; 90 int count; 91 int cur; 92 int next; 93 int cur_decrypt; 94 }; 95 96 struct rt2560_node { 97 struct ieee80211_node ni; 98 struct ieee80211_amrr_node amrr; 99 }; 100 #define RT2560_NODE(ni) ((struct rt2560_node *)(ni)) 101 102 struct rt2560_vap { 103 struct ieee80211vap ral_vap; 104 struct ieee80211_beacon_offsets ral_bo; 105 struct ieee80211_amrr amrr; 106 107 int (*ral_newstate)(struct ieee80211vap *, 108 enum ieee80211_state, int); 109 }; 110 #define RT2560_VAP(vap) ((struct rt2560_vap *)(vap)) 111 112 struct rt2560_softc { 113 struct ifnet *sc_ifp; 114 device_t sc_dev; 115 bus_space_tag_t sc_st; 116 bus_space_handle_t sc_sh; 117 118 struct mtx sc_mtx; 119 120 struct callout watchdog_ch; 121 122 int sc_tx_timer; 123 int sc_invalid; 124 int sc_debug; 125 126 const struct ieee80211_rate_table *sc_rates; 127 /* 128 * The same in both up to here 129 * ------------------------------------------------ 130 */ 131 uint32_t asic_rev; 132 uint32_t eeprom_rev; 133 uint8_t rf_rev; 134 uint8_t rssi_corr; 135 136 struct rt2560_tx_ring txq; 137 struct rt2560_tx_ring prioq; 138 struct rt2560_tx_ring atimq; 139 struct rt2560_tx_ring bcnq; 140 struct rt2560_rx_ring rxq; 141 142 uint32_t rf_regs[4]; 143 uint8_t txpow[14]; 144 145 struct { 146 uint8_t reg; 147 uint8_t val; 148 } bbp_prom[16]; 149 150 int led_mode; 151 int hw_radio; 152 int rx_ant; 153 int tx_ant; 154 int nb_ant; 155 156 struct rt2560_rx_radiotap_header sc_rxtap; 157 int sc_rxtap_len; 158 159 struct rt2560_tx_radiotap_header sc_txtap; 160 int sc_txtap_len; 161 #define RT2560_F_INPUT_RUNNING 0x1 162 #define RT2560_F_PRIO_OACTIVE 0x2 163 #define RT2560_F_DATA_OACTIVE 0x4 164 int sc_flags; 165 }; 166 167 int rt2560_attach(device_t, int); 168 int rt2560_detach(void *); 169 void rt2560_stop(void *); 170 void rt2560_resume(void *); 171 void rt2560_intr(void *); 172 173 #define RAL_LOCK(sc) mtx_lock(&(sc)->sc_mtx) 174 #define RAL_LOCK_ASSERT(sc) mtx_assert(&(sc)->sc_mtx, MA_OWNED) 175 #define RAL_UNLOCK(sc) mtx_unlock(&(sc)->sc_mtx) 176