1 /* $OpenBSD: malo.h,v 1.10 2010/08/08 16:36:33 deraadt Exp $ */ 2 3 /* 4 * Copyright (c) 2006 Claudio Jeker <claudio@openbsd.org> 5 * Copyright (c) 2006 Marcus Glocker <mglocker@openbsd.org> 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 //#define MALO_DEBUG 21 22 struct malo_rx_desc; 23 struct malo_rx_data; 24 25 struct malo_rx_ring { 26 bus_dmamap_t map; 27 bus_dma_segment_t seg; 28 bus_addr_t physaddr; 29 struct malo_rx_desc *desc; 30 struct malo_rx_data *data; 31 int count; 32 int cur; 33 int next; 34 }; 35 36 struct malo_tx_desc; 37 struct malo_tx_data; 38 39 struct malo_tx_ring { 40 bus_dmamap_t map; 41 bus_dma_segment_t seg; 42 bus_addr_t physaddr; 43 struct malo_tx_desc *desc; 44 struct malo_tx_data *data; 45 int count; 46 int queued; 47 int cur; 48 int next; 49 int stat; 50 }; 51 52 // XXX Support for RSSI ? 53 #define MALO_RX_RADIOTAP_PRESENT \ 54 ((1 << IEEE80211_RADIOTAP_FLAGS) | \ 55 (1 << IEEE80211_RADIOTAP_CHANNEL)) 56 57 struct malo_rx_radiotap_hdr { 58 struct ieee80211_radiotap_header wr_ihdr; 59 uint8_t wr_flags; 60 uint16_t wr_chan_freq; 61 uint16_t wr_chan_flags; 62 } __packed; 63 64 #define MALO_TX_RADIOTAP_PRESENT \ 65 ((1 << IEEE80211_RADIOTAP_FLAGS) | \ 66 (1 << IEEE80211_RADIOTAP_RATE) | \ 67 (1 << IEEE80211_RADIOTAP_CHANNEL)) 68 69 struct malo_tx_radiotap_hdr { 70 struct ieee80211_radiotap_header wt_ihdr; 71 uint8_t wt_flags; 72 uint8_t wt_rate; 73 uint16_t wt_chan_freq; 74 uint16_t wt_chan_flags; 75 } __packed; 76 77 struct malo_softc { 78 device_t sc_dev; 79 struct ethercom sc_ec; 80 struct ieee80211com sc_ic; 81 #define sc_if sc_ec.ec_if 82 struct malo_rx_ring sc_rxring; 83 struct malo_tx_ring sc_txring; 84 85 bus_dma_tag_t sc_dmat; 86 bus_space_tag_t sc_mem1_bt; 87 bus_space_tag_t sc_mem2_bt; 88 bus_space_handle_t sc_mem1_bh; 89 bus_space_handle_t sc_mem2_bh; 90 91 bus_dmamap_t sc_cmd_dmam; 92 bus_dma_segment_t sc_cmd_dmas; 93 void *sc_cmd_mem; 94 bus_addr_t sc_cmd_dmaaddr; 95 uint32_t *sc_cookie; 96 bus_addr_t sc_cookie_dmaaddr; 97 98 uint32_t sc_RxPdWrPtr; 99 uint32_t sc_RxPdRdPtr; 100 101 int (*sc_newstate) 102 (struct ieee80211com *, 103 enum ieee80211_state, int); 104 105 int (*sc_enable)(struct malo_softc *); 106 void (*sc_disable)(struct malo_softc *); 107 108 struct callout sc_scan_to; 109 int sc_tx_timer; 110 int sc_last_txrate; 111 112 struct bpf_if * sc_drvbpf; 113 114 union { 115 struct malo_rx_radiotap_hdr th; 116 uint8_t pad[IEEE80211_RADIOTAP_HDRLEN]; 117 } sc_rxtapu; 118 #define sc_rxtap sc_rxtapu.th 119 int sc_rxtap_len; 120 121 union { 122 struct malo_tx_radiotap_hdr th; 123 uint8_t pad[IEEE80211_RADIOTAP_HDRLEN]; 124 } sc_txtapu; 125 #define sc_txtap sc_txtapu.th 126 int sc_txtap_len; 127 }; 128 129 int malo_intr(void *arg); 130 int malo_attach(struct malo_softc *sc); 131 int malo_detach(void *arg); 132 int malo_init(struct ifnet *); 133 void malo_stop(struct ifnet *, int disable); 134