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
22struct malo_rx_desc;
23struct malo_rx_data;
24
25struct 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
36struct malo_tx_desc;
37struct malo_tx_data;
38
39struct 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
57struct 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
69struct 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
77struct 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
129int malo_intr(void *arg);
130int malo_attach(struct malo_softc *sc);
131int malo_detach(void *arg);
132int malo_init(struct ifnet *);
133void malo_stop(struct ifnet *, int disable);
134