1 /*	$NetBSD: if_ipwvar.h,v 1.17 2015/09/06 06:01:00 dholland Exp $	*/
2 
3 /*-
4  * Copyright (c) 2004
5  *      Damien Bergamini <damien.bergamini@free.fr>. All rights reserved.
6  *
7  * Redistribution and use in source and binary forms, with or without
8  * modification, are permitted provided that the following conditions
9  * are met:
10  * 1. Redistributions of source code must retain the above copyright
11  *    notice unmodified, this list of conditions, and the following
12  *    disclaimer.
13  * 2. Redistributions in binary form must reproduce the above copyright
14  *    notice, this list of conditions and the following disclaimer in the
15  *    documentation and/or other materials provided with the distribution.
16  *
17  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
18  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
21  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27  * SUCH DAMAGE.
28  */
29 
30 #include <sys/ioccom.h>
31 
32 struct ipw_firmware {
33 	void	*main;
34 	int	main_size;
35 	void	*ucode;
36 	int	ucode_size;
37 };
38 
39 #define IPW_MAX_NSEG	1
40 
41 struct ipw_soft_bd {
42 	struct ipw_bd	*bd;
43 	int		type;
44 #define IPW_SBD_TYPE_NOASSOC	0
45 #define IPW_SBD_TYPE_COMMAND	1
46 #define IPW_SBD_TYPE_HEADER	2
47 #define IPW_SBD_TYPE_DATA	3
48 	void		*priv;
49 };
50 
51 struct ipw_soft_hdr {
52 	struct ipw_hdr			*hdr;
53 	bus_addr_t			addr;
54 	bus_addr_t			offset;
55 	TAILQ_ENTRY(ipw_soft_hdr)	next;
56 };
57 
58 struct ipw_soft_buf {
59 	struct mbuf			*m;
60 	struct ieee80211_node		*ni;
61 	bus_dmamap_t			map;
62 	TAILQ_ENTRY(ipw_soft_buf)	next;
63 };
64 
65 struct ipw_rx_radiotap_header {
66 	struct ieee80211_radiotap_header wr_ihdr;
67 	uint16_t	wr_chan_freq;
68 	uint16_t	wr_chan_flags;
69 	uint8_t		wr_antsignal;
70 } __packed;
71 
72 #define IPW_RX_RADIOTAP_PRESENT						\
73 	((1 << IEEE80211_RADIOTAP_CHANNEL) |				\
74 	 (1 << IEEE80211_RADIOTAP_DB_ANTSIGNAL))
75 
76 struct ipw_tx_radiotap_header {
77 	struct ieee80211_radiotap_header wt_ihdr;
78 	uint16_t	wt_chan_freq;
79 	uint16_t	wt_chan_flags;
80 } __packed;
81 
82 #define IPW_TX_RADIOTAP_PRESENT						\
83 	((1 << IEEE80211_RADIOTAP_CHANNEL))
84 
85 struct ipw_softc {
86 	device_t			sc_dev;
87 
88 	struct ethercom			sc_ec;
89 	struct ieee80211com		sc_ic;
90 	int				(*sc_newstate)(struct ieee80211com *,
91 					    enum ieee80211_state, int);
92 
93 	struct ipw_firmware		fw;
94 	const char			*sc_fwname;
95 	uint32_t			flags;
96 #define IPW_FLAG_FW_CACHED		(1 << 0)
97 #define IPW_FLAG_FW_INITED		(1 << 1)
98 #define IPW_FLAG_HAS_RADIO_SWITCH	(1 << 2)
99 #define	IPW_FLAG_FW_WARNED		(1 << 3)
100 
101 	struct resource			*irq;
102 	struct resource			*mem;
103 	bus_space_tag_t			sc_st;
104 	bus_space_handle_t		sc_sh;
105 	void				*sc_ih;
106 	pci_chipset_tag_t		sc_pct;
107 	pcitag_t			sc_pcitag;
108 	bus_size_t			sc_sz;
109 
110 	int				sc_tx_timer;
111 
112 	bus_dma_tag_t			sc_dmat;
113 
114 	bus_dmamap_t			tbd_map;
115 	bus_dmamap_t			rbd_map;
116 	bus_dmamap_t			status_map;
117 	bus_dmamap_t			cmd_map;
118 	bus_dmamap_t			hdr_map;
119 
120 	bus_dma_segment_t		tbd_seg;
121 	bus_dma_segment_t		rbd_seg;
122 	bus_dma_segment_t		status_seg;
123 	bus_dma_segment_t		cmd_seg;
124 	bus_dma_segment_t		hdr_seg;
125 
126 	struct ipw_bd			*tbd_list;
127 	struct ipw_bd			*rbd_list;
128 	struct ipw_status		*status_list;
129 	struct ipw_hdr			*hdr_list;
130 
131 	struct ipw_cmd			cmd;
132 	struct ipw_soft_bd		stbd_list[IPW_NTBD];
133 	struct ipw_soft_buf		tx_sbuf_list[IPW_NDATA];
134 	struct ipw_soft_bd		srbd_list[IPW_NRBD];
135 	struct ipw_soft_buf		rx_sbuf_list[IPW_NRBD];
136 	struct ipw_soft_hdr		shdr_list[IPW_NDATA];
137 
138 	TAILQ_HEAD(, ipw_soft_hdr)	sc_free_shdr;
139 	TAILQ_HEAD(, ipw_soft_buf)	sc_free_sbuf;
140 
141 	uint32_t			table1_base;
142 	uint32_t			table2_base;
143 
144 	uint32_t			txcur;
145 	uint32_t			txold;
146 	uint32_t			rxcur;
147 	int				txfree;
148 
149 	int				dwelltime;
150 
151 	struct bpf_if			*sc_drvbpf;
152 
153 	union {
154 		struct ipw_rx_radiotap_header th;
155 		uint8_t	pad[64];
156 	} sc_rxtapu;
157 #define sc_rxtap	sc_rxtapu.th
158 	int				sc_rxtap_len;
159 
160 	union {
161 		struct ipw_tx_radiotap_header th;
162 		uint8_t	pad[64];
163 	} sc_txtapu;
164 #define sc_txtap	sc_txtapu.th
165 	int				sc_txtap_len;
166 };
167 
168 #define	sc_if	sc_ec.ec_if
169 
170 #define SIOCGRADIO	_IOWR('i', 139, struct ifreq)
171 #define SIOCGTABLE1	_IOWR('i', 140, struct ifreq)
172