1 /* $OpenBSD: malo.h,v 1.9 2006/11/24 20:45:33 mglocker 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 struct malo_rx_desc;
21 struct malo_rx_data;
22
23 struct malo_rx_ring {
24 bus_dmamap_t map;
25 bus_dma_segment_t seg;
26 bus_addr_t physaddr;
27 struct malo_rx_desc *desc;
28 struct malo_rx_data *data;
29 int count;
30 int cur;
31 int next;
32 };
33
34 struct malo_tx_desc;
35 struct malo_tx_data;
36
37 struct malo_tx_ring {
38 bus_dmamap_t map;
39 bus_dma_segment_t seg;
40 bus_addr_t physaddr;
41 struct malo_tx_desc *desc;
42 struct malo_tx_data *data;
43 int count;
44 int queued;
45 int cur;
46 int next;
47 int stat;
48 };
49
50 #define MALO_RX_RADIOTAP_PRESENT \
51 ((1 << IEEE80211_RADIOTAP_FLAGS) | \
52 (1 << IEEE80211_RADIOTAP_CHANNEL) | \
53 (1 << IEEE80211_RADIOTAP_RSSI))
54
55 struct malo_rx_radiotap_hdr {
56 struct ieee80211_radiotap_header wr_ihdr;
57 uint8_t wr_flags;
58 uint16_t wr_chan_freq;
59 uint16_t wr_chan_flags;
60 uint8_t wr_rssi;
61 uint8_t wr_max_rssi;
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 struct device sc_dev;
79 struct ieee80211com sc_ic;
80 struct malo_rx_ring sc_rxring;
81 struct malo_tx_ring sc_txring;
82
83 bus_dma_tag_t sc_dmat;
84 bus_space_tag_t sc_mem1_bt;
85 bus_space_tag_t sc_mem2_bt;
86 bus_space_handle_t sc_mem1_bh;
87 bus_space_handle_t sc_mem2_bh;
88
89 bus_dmamap_t sc_cmd_dmam;
90 bus_dma_segment_t sc_cmd_dmas;
91 void *sc_cmd_mem;
92 bus_addr_t sc_cmd_dmaaddr;
93 uint32_t *sc_cookie;
94 bus_addr_t sc_cookie_dmaaddr;
95
96 uint32_t sc_RxPdWrPtr;
97 uint32_t sc_RxPdRdPtr;
98
99 int (*sc_newstate)
100 (struct ieee80211com *,
101 enum ieee80211_state, int);
102
103 int (*sc_enable)(struct malo_softc *);
104 void (*sc_disable)(struct malo_softc *);
105
106 struct timeout sc_scan_to;
107 int sc_tx_timer;
108 int sc_last_txrate;
109
110 #if NBPFILTER > 0
111 caddr_t sc_drvbpf;
112
113 union {
114 struct malo_rx_radiotap_hdr th;
115 uint8_t pad[64];
116 } sc_rxtapu;
117 #define sc_rxtap sc_rxtapu.th
118 int sc_rxtap_len;
119
120 union {
121 struct malo_tx_radiotap_hdr th;
122 uint8_t pad[64];
123 } sc_txtapu;
124 #define sc_txtap sc_txtapu.th
125 int sc_txtap_len;
126 #endif
127 };
128
129 int malo_intr(void *arg);
130 int malo_attach(struct malo_softc *sc);
131 int malo_detach(void *arg);