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 struct ral_rssdesc id; 55 }; 56 57 struct rt2661_tx_ring { 58 bus_dma_tag_t desc_dmat; 59 bus_dma_tag_t data_dmat; 60 bus_dmamap_t desc_map; 61 bus_addr_t physaddr; 62 struct rt2661_tx_desc *desc; 63 struct rt2661_tx_data *data; 64 int count; 65 int queued; 66 int cur; 67 int next; 68 int stat; 69 }; 70 71 struct rt2661_rx_data { 72 bus_dmamap_t map; 73 struct mbuf *m; 74 }; 75 76 struct rt2661_rx_ring { 77 bus_dma_tag_t desc_dmat; 78 bus_dma_tag_t data_dmat; 79 bus_dmamap_t desc_map; 80 bus_addr_t physaddr; 81 struct rt2661_rx_desc *desc; 82 struct rt2661_rx_data *data; 83 int count; 84 int cur; 85 int next; 86 }; 87 88 struct rt2661_node { 89 struct ieee80211_node ni; 90 struct ral_rssadapt rssadapt; 91 }; 92 93 struct rt2661_softc { 94 struct ifnet *sc_ifp; 95 struct ieee80211com sc_ic; 96 int (*sc_newstate)(struct ieee80211com *, 97 enum ieee80211_state, int); 98 device_t sc_dev; 99 bus_space_tag_t sc_st; 100 bus_space_handle_t sc_sh; 101 102 struct mtx sc_mtx; 103 104 struct callout watchdog_ch; 105 struct callout scan_ch; 106 struct callout rssadapt_ch; 107 108 int sc_tx_timer; 109 110 struct ieee80211_channel *sc_curchan; 111 112 uint8_t rf_rev; 113 114 uint8_t rfprog; 115 uint8_t rffreq; 116 117 struct rt2661_tx_ring txq[4]; 118 struct rt2661_tx_ring mgtq; 119 struct rt2661_rx_ring rxq; 120 121 uint32_t rf_regs[4]; 122 int8_t txpow[38]; 123 124 struct { 125 uint8_t reg; 126 uint8_t val; 127 } bbp_prom[16]; 128 129 int hw_radio; 130 int rx_ant; 131 int tx_ant; 132 int nb_ant; 133 int ext_2ghz_lna; 134 int ext_5ghz_lna; 135 int rssi_2ghz_corr; 136 int rssi_5ghz_corr; 137 138 uint8_t bbp18; 139 uint8_t bbp21; 140 uint8_t bbp22; 141 uint8_t bbp16; 142 uint8_t bbp17; 143 uint8_t bbp64; 144 145 int dwelltime; 146 147 struct bpf_if *sc_drvbpf; 148 149 union { 150 struct rt2661_rx_radiotap_header th; 151 uint8_t pad[64]; 152 } sc_rxtapu; 153 #define sc_rxtap sc_rxtapu.th 154 int sc_rxtap_len; 155 156 union { 157 struct rt2661_tx_radiotap_header th; 158 uint8_t pad[64]; 159 } sc_txtapu; 160 #define sc_txtap sc_txtapu.th 161 int sc_txtap_len; 162 }; 163 164 int rt2661_attach(device_t, int); 165 int rt2661_detach(void *); 166 void rt2661_shutdown(void *); 167 void rt2661_suspend(void *); 168 void rt2661_resume(void *); 169 void rt2661_intr(void *); 170 171 #define RAL_LOCK(sc) mtx_lock(&(sc)->sc_mtx) 172 #define RAL_UNLOCK(sc) mtx_unlock(&(sc)->sc_mtx) 173