if_wpivar.h revision 1.3
1/* $NetBSD: if_wpivar.h,v 1.3 2007/01/13 09:39:06 degroote Exp $ */ 2 3/*- 4 * Copyright (c) 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 20struct 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}; 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 41struct 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}; 49 50#define WPI_TX_RADIOTAP_PRESENT \ 51 ((1 << IEEE80211_RADIOTAP_FLAGS) | \ 52 (1 << IEEE80211_RADIOTAP_RATE) | \ 53 (1 << IEEE80211_RADIOTAP_CHANNEL)) 54 55struct wpi_dma_info { 56 bus_dma_tag_t tag; 57 bus_dmamap_t map; 58 bus_dma_segment_t seg; 59 bus_addr_t paddr; 60 caddr_t vaddr; 61 bus_size_t size; 62}; 63 64struct wpi_tx_data { 65 bus_dmamap_t map; 66 struct mbuf *m; 67 struct ieee80211_node *ni; 68}; 69 70struct 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; 76 int qid; 77 int count; 78 int queued; 79 int cur; 80}; 81 82#define WPI_RBUF_COUNT (WPI_RX_RING_COUNT + 16) 83 84struct wpi_softc; 85 86struct wpi_rbuf { 87 struct wpi_softc *sc; 88 caddr_t vaddr; 89 bus_addr_t paddr; 90 SLIST_ENTRY(wpi_rbuf) next; 91}; 92 93struct wpi_rx_data { 94 struct mbuf *m; 95}; 96 97struct wpi_rx_ring { 98 struct wpi_dma_info desc_dma; 99 struct wpi_dma_info buf_dma; 100 uint32_t *desc; 101 struct wpi_rx_data data[WPI_RX_RING_COUNT]; 102 struct wpi_rbuf rbuf[WPI_RBUF_COUNT]; 103 SLIST_HEAD(, wpi_rbuf) freelist; 104 int cur; 105}; 106 107struct wpi_node { 108 struct ieee80211_node ni; /* must be the first */ 109 struct ieee80211_amrr_node amn; 110}; 111 112struct wpi_softc { 113 struct device sc_dev; 114 struct ethercom sc_ec; 115 struct ieee80211com sc_ic; 116 int (*sc_newstate)(struct ieee80211com *, 117 enum ieee80211_state, int); 118 119 struct ieee80211_amrr amrr; 120 121 uint32_t flags; 122#define WPI_FLAG_FW_INITED (1 << 0) 123 124 bus_dma_tag_t sc_dmat; 125 126 /* shared area */ 127 struct wpi_dma_info shared_dma; 128 struct wpi_shared *shared; 129 130 struct wpi_tx_ring txq[4]; 131 struct wpi_tx_ring cmdq; 132 struct wpi_tx_ring svcq; 133 struct wpi_rx_ring rxq; 134 135 bus_space_tag_t sc_st; 136 bus_space_handle_t sc_sh; 137 void *sc_ih; 138 pci_chipset_tag_t sc_pct; 139 pcitag_t sc_pcitag; 140 bus_size_t sc_sz; 141 142 struct callout amrr_ch; 143 144 struct wpi_config config; 145 uint16_t pwr1[14]; 146 uint16_t pwr2[14]; 147 148 int sc_tx_timer; 149 void *powerhook; 150 151#if NBPFILTER > 0 152 caddr_t sc_drvbpf; 153 154 union { 155 struct wpi_rx_radiotap_header th; 156 uint8_t pad[IEEE80211_RADIOTAP_HDRLEN]; 157 } sc_rxtapu; 158#define sc_rxtap sc_rxtapu.th 159 int sc_rxtap_len; 160 161 union { 162 struct wpi_tx_radiotap_header th; 163 uint8_t pad[IEEE80211_RADIOTAP_HDRLEN]; 164 } sc_txtapu; 165#define sc_txtap sc_txtapu.th 166 int sc_txtap_len; 167#endif 168}; 169