1 /* $OpenBSD: if_wpivar.h,v 1.12 2007/06/16 14:15:37 damien Exp $ */ 2 3 /*- 4 * Copyright (c) 2006, 2007 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 uint8_t wt_hwqueue; 48 } __packed; 49 50 #define WPI_TX_RADIOTAP_PRESENT \ 51 ((1 << IEEE80211_RADIOTAP_FLAGS) | \ 52 (1 << IEEE80211_RADIOTAP_RATE) | \ 53 (1 << IEEE80211_RADIOTAP_CHANNEL) | \ 54 (1 << IEEE80211_RADIOTAP_HWQUEUE)) 55 56 struct wpi_dma_info { 57 bus_dma_tag_t tag; 58 bus_dmamap_t map; 59 bus_dma_segment_t seg; 60 bus_addr_t paddr; 61 caddr_t vaddr; 62 bus_size_t size; 63 }; 64 65 struct wpi_tx_data { 66 bus_dmamap_t map; 67 struct mbuf *m; 68 struct ieee80211_node *ni; 69 }; 70 71 struct wpi_tx_ring { 72 struct wpi_dma_info desc_dma; 73 struct wpi_dma_info cmd_dma; 74 struct wpi_tx_desc *desc; 75 struct wpi_tx_cmd *cmd; 76 struct wpi_tx_data *data; 77 int qid; 78 int count; 79 int queued; 80 int cur; 81 }; 82 83 #define WPI_RBUF_COUNT (WPI_RX_RING_COUNT + 16) 84 85 struct wpi_softc; 86 87 struct wpi_rbuf { 88 struct wpi_softc *sc; 89 caddr_t vaddr; 90 bus_addr_t paddr; 91 SLIST_ENTRY(wpi_rbuf) next; 92 }; 93 94 struct wpi_rx_data { 95 struct mbuf *m; 96 }; 97 98 struct wpi_rx_ring { 99 struct wpi_dma_info desc_dma; 100 struct wpi_dma_info buf_dma; 101 uint32_t *desc; 102 struct wpi_rx_data data[WPI_RX_RING_COUNT]; 103 struct wpi_rbuf rbuf[WPI_RBUF_COUNT]; 104 SLIST_HEAD(, wpi_rbuf) freelist; 105 int cur; 106 }; 107 108 struct wpi_node { 109 struct ieee80211_node ni; /* must be the first */ 110 struct ieee80211_amrr_node amn; 111 }; 112 113 struct wpi_power_sample { 114 uint8_t index; 115 int8_t power; 116 }; 117 118 struct wpi_power_group { 119 #define WPI_SAMPLES_COUNT 5 120 struct wpi_power_sample samples[WPI_SAMPLES_COUNT]; 121 uint8_t chan; 122 int8_t maxpwr; 123 int16_t temp; 124 }; 125 126 struct wpi_softc { 127 struct device sc_dev; 128 129 struct ieee80211com sc_ic; 130 int (*sc_newstate)(struct ieee80211com *, 131 enum ieee80211_state, int); 132 struct ieee80211_amrr amrr; 133 134 bus_dma_tag_t sc_dmat; 135 136 /* shared area */ 137 struct wpi_dma_info shared_dma; 138 struct wpi_shared *shared; 139 140 /* firmware DMA transfer */ 141 struct wpi_dma_info fw_dma; 142 143 /* rings */ 144 struct wpi_tx_ring txq[4]; 145 struct wpi_tx_ring cmdq; 146 struct wpi_rx_ring rxq; 147 148 bus_space_tag_t sc_st; 149 bus_space_handle_t sc_sh; 150 void *sc_ih; 151 pci_chipset_tag_t sc_pct; 152 pcitag_t sc_pcitag; 153 bus_size_t sc_sz; 154 155 struct ksensordev sensordev; 156 struct ksensor sensor; 157 struct timeout calib_to; 158 int calib_cnt; 159 160 struct wpi_config config; 161 int temp; 162 163 uint8_t cap; 164 uint16_t rev; 165 uint8_t type; 166 struct wpi_power_group groups[WPI_POWER_GROUPS_COUNT]; 167 int8_t maxpwr[IEEE80211_CHAN_MAX]; 168 169 int sc_tx_timer; 170 void *powerhook; 171 172 #if NBPFILTER > 0 173 caddr_t sc_drvbpf; 174 175 union { 176 struct wpi_rx_radiotap_header th; 177 uint8_t pad[IEEE80211_RADIOTAP_HDRLEN]; 178 } sc_rxtapu; 179 #define sc_rxtap sc_rxtapu.th 180 int sc_rxtap_len; 181 182 union { 183 struct wpi_tx_radiotap_header th; 184 uint8_t pad[IEEE80211_RADIOTAP_HDRLEN]; 185 } sc_txtapu; 186 #define sc_txtap sc_txtapu.th 187 int sc_txtap_len; 188 #endif 189 }; 190