1 /* $OpenBSD: if_wpivar.h,v 1.29 2020/10/11 07:05:29 mpi Exp $ */ 2 3 /*- 4 * Copyright (c) 2006-2008 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 wpi_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 uint8_t wr_antenna; 30 } __packed; 31 32 #define WPI_RX_RADIOTAP_PRESENT \ 33 ((1 << IEEE80211_RADIOTAP_TSFT) | \ 34 (1 << IEEE80211_RADIOTAP_FLAGS) | \ 35 (1 << IEEE80211_RADIOTAP_RATE) | \ 36 (1 << IEEE80211_RADIOTAP_CHANNEL) | \ 37 (1 << IEEE80211_RADIOTAP_DBM_ANTSIGNAL) | \ 38 (1 << IEEE80211_RADIOTAP_DBM_ANTNOISE) | \ 39 (1 << IEEE80211_RADIOTAP_ANTENNA)) 40 41 struct wpi_tx_radiotap_header { 42 struct ieee80211_radiotap_header wt_ihdr; 43 uint8_t wt_flags; 44 uint8_t wt_rate; 45 uint16_t wt_chan_freq; 46 uint16_t wt_chan_flags; 47 } __packed; 48 49 #define WPI_TX_RADIOTAP_PRESENT \ 50 ((1 << IEEE80211_RADIOTAP_FLAGS) | \ 51 (1 << IEEE80211_RADIOTAP_RATE) | \ 52 (1 << IEEE80211_RADIOTAP_CHANNEL)) 53 54 struct wpi_dma_info { 55 bus_dma_tag_t tag; 56 bus_dmamap_t map; 57 bus_dma_segment_t seg; 58 bus_addr_t paddr; 59 caddr_t vaddr; 60 bus_size_t size; 61 }; 62 63 struct wpi_tx_data { 64 bus_dmamap_t map; 65 bus_addr_t cmd_paddr; 66 struct mbuf *m; 67 struct ieee80211_node *ni; 68 }; 69 70 struct wpi_tx_ring { 71 struct wpi_dma_info desc_dma; 72 struct wpi_dma_info cmd_dma; 73 struct wpi_tx_desc *desc; 74 struct wpi_tx_cmd *cmd; 75 struct wpi_tx_data data[WPI_TX_RING_COUNT]; 76 int qid; 77 int queued; 78 int cur; 79 }; 80 81 struct wpi_softc; 82 83 struct wpi_rx_data { 84 struct mbuf *m; 85 bus_dmamap_t map; 86 }; 87 88 struct wpi_rx_ring { 89 struct wpi_dma_info desc_dma; 90 uint32_t *desc; 91 struct wpi_rx_data data[WPI_RX_RING_COUNT]; 92 int cur; 93 }; 94 95 struct wpi_node { 96 struct ieee80211_node ni; /* must be the first */ 97 struct ieee80211_amrr_node amn; 98 uint8_t id; 99 uint8_t ridx[IEEE80211_RATE_MAXSIZE]; 100 }; 101 102 struct wpi_power_sample { 103 uint8_t index; 104 int8_t power; 105 }; 106 107 struct wpi_power_group { 108 #define WPI_SAMPLES_COUNT 5 109 struct wpi_power_sample samples[WPI_SAMPLES_COUNT]; 110 uint8_t chan; 111 int8_t maxpwr; 112 int16_t temp; 113 }; 114 115 struct wpi_fw_part { 116 const uint8_t *text; 117 uint32_t textsz; 118 const uint8_t *data; 119 uint32_t datasz; 120 }; 121 122 struct wpi_fw_info { 123 u_char *data; 124 size_t datalen; 125 struct wpi_fw_part init; 126 struct wpi_fw_part main; 127 struct wpi_fw_part boot; 128 }; 129 130 struct wpi_softc { 131 struct device sc_dev; 132 133 struct ieee80211com sc_ic; 134 int (*sc_newstate)(struct ieee80211com *, 135 enum ieee80211_state, int); 136 137 struct ieee80211_amrr amrr; 138 uint8_t fixed_ridx; 139 140 bus_dma_tag_t sc_dmat; 141 142 struct rwlock sc_rwlock; 143 u_int sc_flags; 144 #define WPI_FLAG_HAS_5GHZ (1 << 0) 145 146 /* Shared area. */ 147 struct wpi_dma_info shared_dma; 148 struct wpi_shared *shared; 149 150 /* Firmware DMA transfer. */ 151 struct wpi_dma_info fw_dma; 152 153 /* TX/RX rings. */ 154 struct wpi_tx_ring txq[WPI_NTXQUEUES]; 155 struct wpi_rx_ring rxq; 156 157 bus_space_tag_t sc_st; 158 bus_space_handle_t sc_sh; 159 void *sc_ih; 160 pci_chipset_tag_t sc_pct; 161 pcitag_t sc_pcitag; 162 bus_size_t sc_sz; 163 int sc_cap_off; /* PCIe Capabilities. */ 164 165 struct timeout calib_to; 166 int calib_cnt; 167 168 struct task init_task; 169 170 struct wpi_fw_info fw; 171 uint32_t errptr; 172 173 struct wpi_rxon rxon; 174 int temp; 175 uint32_t qfullmsk; 176 177 uint8_t cap; 178 uint16_t rev; 179 uint8_t type; 180 struct wpi_power_group groups[WPI_POWER_GROUPS_COUNT]; 181 int8_t maxpwr[IEEE80211_CHAN_MAX]; 182 183 int sc_tx_timer; 184 185 #if NBPFILTER > 0 186 caddr_t sc_drvbpf; 187 188 union { 189 struct wpi_rx_radiotap_header th; 190 uint8_t pad[IEEE80211_RADIOTAP_HDRLEN]; 191 } sc_rxtapu; 192 #define sc_rxtap sc_rxtapu.th 193 int sc_rxtap_len; 194 195 union { 196 struct wpi_tx_radiotap_header th; 197 uint8_t pad[IEEE80211_RADIOTAP_HDRLEN]; 198 } sc_txtapu; 199 #define sc_txtap sc_txtapu.th 200 int sc_txtap_len; 201 #endif 202 }; 203