xref: /netbsd-src/sys/dev/pci/if_iwivar.h (revision b7bc642127f6e61dbaeb2e5de560d1b25d38926a)
1 /*	$NetBSD: if_iwivar.h,v 1.20 2020/03/20 13:33:23 thorpej Exp $ */
2 
3 /*-
4  * Copyright (c) 2004, 2005
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 iwi_firmware {
33 	void	*boot;
34 	int	boot_size;
35 	void	*ucode;
36 	int	ucode_size;
37 	void	*main;
38 	int	main_size;
39 };
40 
41 struct iwi_rx_radiotap_header {
42 	struct ieee80211_radiotap_header wr_ihdr;
43 	uint8_t		wr_flags;
44 	uint8_t		wr_rate;
45 	uint16_t	wr_chan_freq;
46 	uint16_t	wr_chan_flags;
47 	uint8_t		wr_antsignal;
48 	uint8_t		wr_antenna;
49 };
50 
51 #define IWI_RX_RADIOTAP_PRESENT						\
52 	((1 << IEEE80211_RADIOTAP_FLAGS) |				\
53 	 (1 << IEEE80211_RADIOTAP_RATE) |				\
54 	 (1 << IEEE80211_RADIOTAP_CHANNEL) |				\
55 	 (1 << IEEE80211_RADIOTAP_DB_ANTSIGNAL) |			\
56 	 (1 << IEEE80211_RADIOTAP_ANTENNA))
57 
58 struct iwi_tx_radiotap_header {
59 	struct ieee80211_radiotap_header wt_ihdr;
60 	uint8_t		wt_flags;
61 	uint16_t	wt_chan_freq;
62 	uint16_t	wt_chan_flags;
63 };
64 
65 #define IWI_TX_RADIOTAP_PRESENT						\
66 	((1 << IEEE80211_RADIOTAP_FLAGS) |				\
67 	 (1 << IEEE80211_RADIOTAP_CHANNEL))
68 
69 struct iwi_cmd_ring {
70 	bus_dmamap_t		desc_map;
71 	bus_dma_segment_t	desc_seg;
72 	struct iwi_cmd_desc	*desc;
73 	int			count;
74 	int			queued;
75 	int			cur;
76 	int			next;
77 };
78 
79 struct iwi_tx_data {
80 	bus_dmamap_t		map;
81 	struct mbuf		*m;
82 	struct ieee80211_node	*ni;
83 };
84 
85 struct iwi_tx_ring {
86 	bus_dmamap_t		desc_map;
87 	bus_dma_segment_t	desc_seg;
88 	bus_size_t		csr_ridx;
89 	bus_size_t		csr_widx;
90 	struct iwi_tx_desc	*desc;
91 	struct iwi_tx_data	*data;
92 	int			count;
93 	int			queued;
94 	int			cur;
95 	int			next;
96 };
97 
98 struct iwi_rx_data {
99 	bus_dmamap_t	map;
100 	struct mbuf	*m;
101 };
102 
103 struct iwi_rx_ring {
104 	struct iwi_rx_data	*data;
105 	int			count;
106 	int			cur;
107 };
108 
109 struct iwi_node {
110 	struct ieee80211_node	in_node;
111 	int			in_station;
112 #define IWI_MAX_IBSSNODE	32
113 };
114 
115 struct iwi_softc {
116 	device_t		sc_dev;
117 	struct ethercom		sc_ec;
118 	struct ieee80211com	sc_ic;
119 	int			(*sc_newstate)(struct ieee80211com *,
120 				    enum ieee80211_state, int);
121 	void			(*sc_node_free)(struct ieee80211_node *);
122 
123 	uint32_t		sc_unr;
124 
125 	struct iwi_firmware	fw;
126 	const char		*sc_fwname;
127 	char			*sc_blob;
128 	size_t			sc_blobsize;
129 
130 	uint32_t		flags;
131 #define IWI_FLAG_FW_CACHED	(1 << 0)
132 #define IWI_FLAG_FW_INITED	(1 << 1)
133 #define IWI_FLAG_SCANNING	(1 << 3)
134 
135 	bus_dma_tag_t		sc_dmat;
136 
137 	struct iwi_cmd_ring	cmdq;
138 	struct iwi_tx_ring	txq[WME_NUM_AC];
139 	struct iwi_rx_ring	rxq;
140 
141 	struct resource		*irq;
142 	struct resource		*mem;
143 	bus_space_tag_t		sc_st;
144 	bus_space_handle_t	sc_sh;
145 	void 			*sc_ih;
146 	pci_chipset_tag_t	sc_pct;
147 	pcitag_t		sc_pcitag;
148 	bus_size_t		sc_sz;
149 	void			*sc_soft_ih;
150 
151 	kmutex_t		sc_media_mtx;	/* XXX */
152 
153 	struct sysctllog	*sc_sysctllog;
154 
155 	int			antenna;
156 	int			dwelltime;
157 	int			bluetooth;
158 	int			nictype;
159 
160 	int			sc_tx_timer;
161 
162 	struct bpf_if		*sc_drvbpf;
163 
164 	union {
165 		struct iwi_rx_radiotap_header th;
166 		uint8_t	pad[64];
167 	} sc_rxtapu;
168 #define sc_rxtap	sc_rxtapu.th
169 	int			sc_rxtap_len;
170 
171 	union {
172 		struct iwi_tx_radiotap_header th;
173 		uint8_t	pad[64];
174 	} sc_txtapu;
175 #define sc_txtap	sc_txtapu.th
176 	int			sc_txtap_len;
177 };
178 
179 #define	sc_if	sc_ec.ec_if
180 
181 #define SIOCGRADIO	_IOWR('i', 139, struct ifreq)
182 #define SIOCGTABLE0	_IOWR('i', 140, struct ifreq)
183