| 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 | |