if_iwnvar.h revision 1.1
1 /* $OpenBSD: if_iwnvar.h,v 1.2 2007/11/19 19:34:25 damien Exp $ */ 2 3 /*- 4 * Copyright (c) 2007 5 * Damien Bergamini <damien.bergamini (at) 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 iwn_rx_radiotap_header { 21 struct ieee80211_radiotap_header wr_ihdr; 22 uint64_t wr_tsft; 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_dbm_antsignal; 28 int8_t wr_dbm_antnoise; 29 } __packed; 30 31 #define IWN_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 iwn_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_hwqueue; 46 } __packed; 47 48 #define IWN_TX_RADIOTAP_PRESENT \ 49 ((1 << IEEE80211_RADIOTAP_FLAGS) | \ 50 (1 << IEEE80211_RADIOTAP_RATE) | \ 51 (1 << IEEE80211_RADIOTAP_CHANNEL)) 52 53 struct iwn_dma_info { 54 bus_dma_tag_t tag; 55 bus_dmamap_t map; 56 bus_dma_segment_t seg; 57 bus_addr_t paddr; 58 void * vaddr; 59 bus_size_t size; 60 }; 61 62 struct iwn_tx_data { 63 bus_dmamap_t map; 64 struct mbuf *m; 65 struct ieee80211_node *ni; 66 }; 67 68 struct iwn_tx_ring { 69 struct iwn_dma_info desc_dma; 70 struct iwn_dma_info cmd_dma; 71 struct iwn_tx_desc *desc; 72 struct iwn_tx_cmd *cmd; 73 struct iwn_tx_data *data; 74 int qid; 75 int queued; 76 int count; 77 int cur; 78 }; 79 80 #define IWN_RBUF_COUNT (IWN_RX_RING_COUNT + 32) 81 82 struct iwn_softc; 83 84 struct iwn_rbuf { 85 struct iwn_softc *sc; 86 void * vaddr; 87 bus_addr_t paddr; 88 SLIST_ENTRY(iwn_rbuf) next; 89 }; 90 91 struct iwn_rx_data { 92 struct mbuf *m; 93 }; 94 95 struct iwn_rx_ring { 96 struct iwn_dma_info desc_dma; 97 struct iwn_dma_info buf_dma; 98 uint32_t *desc; 99 struct iwn_rx_data data[IWN_RX_RING_COUNT]; 100 struct iwn_rbuf rbuf[IWN_RBUF_COUNT]; 101 SLIST_HEAD(, iwn_rbuf) freelist; 102 int nb_free_entries; 103 int cur; 104 }; 105 106 struct iwn_node { 107 struct ieee80211_node ni; /* must be the first */ 108 struct ieee80211_amrr_node amn; 109 }; 110 111 struct iwn_calib_state { 112 uint8_t state; 113 #define IWN_CALIB_STATE_INIT 0 114 #define IWN_CALIB_STATE_ASSOC 1 115 #define IWN_CALIB_STATE_RUN 2 116 117 u_int nbeacons; 118 uint32_t noise[3]; 119 uint32_t rssi[3]; 120 uint32_t corr_ofdm_x1; 121 uint32_t corr_ofdm_mrc_x1; 122 uint32_t corr_ofdm_x4; 123 uint32_t corr_ofdm_mrc_x4; 124 uint32_t corr_cck_x4; 125 uint32_t corr_cck_mrc_x4; 126 uint32_t bad_plcp_ofdm; 127 uint32_t fa_ofdm; 128 uint32_t bad_plcp_cck; 129 uint32_t fa_cck; 130 uint32_t low_fa; 131 uint8_t cck_state; 132 #define IWN_CCK_STATE_INIT 0 133 #define IWN_CCK_STATE_LOFA 1 134 #define IWN_CCK_STATE_HIFA 2 135 136 uint8_t noise_samples[20]; 137 u_int cur_noise_sample; 138 uint8_t noise_ref; 139 uint32_t energy_samples[10]; 140 u_int cur_energy_sample; 141 uint32_t energy_cck; 142 }; 143 144 struct iwn_softc { 145 device_t sc_dev; 146 struct ethercom sc_ec; 147 struct ieee80211com sc_ic; 148 int (*sc_newstate)(struct ieee80211com *, 149 enum ieee80211_state, int); 150 151 struct ieee80211_amrr amrr; 152 153 bus_dma_tag_t sc_dmat; 154 155 /* shared area */ 156 struct iwn_dma_info shared_dma; 157 struct iwn_shared *shared; 158 159 /* "keep warm" page */ 160 struct iwn_dma_info kw_dma; 161 162 /* firmware DMA transfer */ 163 struct iwn_dma_info fw_dma; 164 165 /* rings */ 166 struct iwn_tx_ring txq[IWN_NTXQUEUES]; 167 struct iwn_rx_ring rxq; 168 169 bus_space_tag_t sc_st; 170 bus_space_handle_t sc_sh; 171 void *sc_ih; 172 pci_chipset_tag_t sc_pct; 173 pcitag_t sc_pcitag; 174 bus_size_t sc_sz; 175 176 struct callout calib_to; 177 int calib_cnt; 178 struct iwn_calib_state calib; 179 180 struct iwn_rx_stat last_rx_stat; 181 int last_rx_valid; 182 struct iwn_ucode_info ucode_info; 183 struct iwn_config config; 184 uint32_t rawtemp; 185 int temp; 186 int noise; 187 uint8_t antmsk; 188 189 struct iwn_eeprom_band bands[IWN_NBANDS]; 190 int16_t eeprom_voltage; 191 int8_t maxpwr2GHz; 192 int8_t maxpwr5GHz; 193 int8_t maxpwr[IEEE80211_CHAN_MAX]; 194 195 int sc_tx_timer; 196 197 #if NBPFILTER > 0 198 void * sc_drvbpf; 199 200 union { 201 struct iwn_rx_radiotap_header th; 202 uint8_t pad[IEEE80211_RADIOTAP_HDRLEN]; 203 } sc_rxtapu; 204 #define sc_rxtap sc_rxtapu.th 205 int sc_rxtap_len; 206 207 union { 208 struct iwn_tx_radiotap_header th; 209 uint8_t pad[IEEE80211_RADIOTAP_HDRLEN]; 210 } sc_txtapu; 211 #define sc_txtap sc_txtapu.th 212 int sc_txtap_len; 213 #endif 214 215 bool is_scanning; 216 }; 217
Indexes created Tue Sep 23 07:09:52 GMT 2025