summaryrefslogtreecommitdiff
path: root/sys/dev/pci/if_ipwvar.h
blob: 22daa8a4f5744ddae4987da0b4b82addcac15cdb (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
/*	$OpenBSD: if_ipwvar.h,v 1.17 2008/07/21 04:12:21 kevlo Exp $	*/

/*-
 * Copyright (c) 2004-2006
 *      Damien Bergamini <damien.bergamini@free.fr>. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice unmodified, this list of conditions, and the following
 *    disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 */

struct ipw_firmware {
	u_char	*data;
	u_char	*main;
	size_t	main_size;
	u_char	*ucode;
	size_t	ucode_size;
};

struct ipw_soft_bd {
	struct ipw_bd	*bd;
	int		type;
#define IPW_SBD_TYPE_NOASSOC	0
#define IPW_SBD_TYPE_COMMAND	1
#define IPW_SBD_TYPE_HEADER	2
#define IPW_SBD_TYPE_DATA	3
	void		*priv;
};

struct ipw_soft_hdr {
	struct ipw_hdr			hdr;
	bus_dmamap_t			map;
	SLIST_ENTRY(ipw_soft_hdr)	next;
};

struct ipw_soft_buf {
	struct mbuf			*m;
	struct ieee80211_node		*ni;
	bus_dmamap_t			map;
	SLIST_ENTRY(ipw_soft_buf)	next;
};

struct ipw_rx_radiotap_header {
	struct ieee80211_radiotap_header wr_ihdr;
	uint8_t		wr_flags;
	uint16_t	wr_chan_freq;
	uint16_t	wr_chan_flags;
	uint8_t		wr_antsignal;
} __packed;

#define IPW_RX_RADIOTAP_PRESENT						\
	((1 << IEEE80211_RADIOTAP_FLAGS) |				\
	 (1 << IEEE80211_RADIOTAP_CHANNEL) |				\
	 (1 << IEEE80211_RADIOTAP_DB_ANTSIGNAL))

struct ipw_tx_radiotap_header {
	struct ieee80211_radiotap_header wt_ihdr;
	uint8_t		wt_flags;
	uint16_t	wt_chan_freq;
	uint16_t	wt_chan_flags;
} __packed;

#define IPW_TX_RADIOTAP_PRESENT						\
	((1 << IEEE80211_RADIOTAP_FLAGS) |				\
	 (1 << IEEE80211_RADIOTAP_CHANNEL))

#define IPW_MAX_NSEG	1

struct ipw_softc {
	struct device			sc_dev;

	struct ieee80211com		sc_ic;
	int				(*sc_newstate)(struct ieee80211com *,
					    enum ieee80211_state, int);

	uint32_t			flags;
#define IPW_FLAG_FW_INITED	(1 << 0)

	bus_space_tag_t			sc_st;
	bus_space_handle_t		sc_sh;
	void 				*sc_ih;
	pci_chipset_tag_t		sc_pct;
	pcitag_t			sc_pcitag;
	bus_size_t			sc_sz;

	int				sc_tx_timer;

	bus_dma_tag_t			sc_dmat;

	bus_dmamap_t			tbd_map;
	bus_dmamap_t			rbd_map;
	bus_dmamap_t			status_map;
	bus_dmamap_t			cmd_map;

	bus_dma_segment_t		tbd_seg;
	bus_dma_segment_t		rbd_seg;
	bus_dma_segment_t		status_seg;
	bus_dma_segment_t		cmd_seg;

	struct ipw_bd			*tbd_list;
	struct ipw_bd			*rbd_list;
	struct ipw_status		*status_list;

	struct ipw_cmd			cmd;
	struct ipw_soft_bd		stbd_list[IPW_NTBD];
	struct ipw_soft_buf		tx_sbuf_list[IPW_NDATA];
	struct ipw_soft_hdr		shdr_list[IPW_NDATA];
	struct ipw_soft_bd		srbd_list[IPW_NRBD];
	struct ipw_soft_buf		rx_sbuf_list[IPW_NRBD];

	SLIST_HEAD(, ipw_soft_hdr)	free_shdr;
	SLIST_HEAD(, ipw_soft_buf)	free_sbuf;

	uint32_t			table1_base;
	uint32_t			table2_base;

	uint32_t			txcur;
	uint32_t			txold;
	uint32_t			rxcur;
	int				txfree;

	void				*powerhook;

#if NBPFILTER > 0
	caddr_t				sc_drvbpf;

	union {
		struct ipw_rx_radiotap_header th;
		uint8_t	pad[64];
	} sc_rxtapu;
#define sc_rxtap	sc_rxtapu.th
	int				sc_rxtap_len;

	union {
		struct ipw_tx_radiotap_header th;
		uint8_t	pad[64];
	} sc_txtapu;
#define sc_txtap	sc_txtapu.th
	int				sc_txtap_len;
#endif
};