if_iwivar.h revision 149338 
1/*	$FreeBSD: head/sys/dev/iwi/if_iwivar.h 149338 2005-08-20 16:49:03Z damien $	*/
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
30struct iwi_firmware {
31	void	*boot;
32	int	boot_size;
33	void	*ucode;
34	int	ucode_size;
35	void	*main;
36	int	main_size;
37};
38
39struct iwi_rx_radiotap_header {
40	struct ieee80211_radiotap_header wr_ihdr;
41	uint8_t		wr_flags;
42	uint8_t		wr_rate;
43	uint16_t	wr_chan_freq;
44	uint16_t	wr_chan_flags;
45	uint8_t		wr_antsignal;
46	uint8_t		wr_antenna;
47};
48
49#define IWI_RX_RADIOTAP_PRESENT						\
50	((1 << IEEE80211_RADIOTAP_FLAGS) |				\
51	 (1 << IEEE80211_RADIOTAP_RATE) |				\
52	 (1 << IEEE80211_RADIOTAP_CHANNEL) |				\
53	 (1 << IEEE80211_RADIOTAP_DB_ANTSIGNAL) |			\
54	 (1 << IEEE80211_RADIOTAP_ANTENNA))
55
56struct iwi_tx_radiotap_header {
57	struct ieee80211_radiotap_header wt_ihdr;
58	uint8_t		wt_flags;
59	uint16_t	wt_chan_freq;
60	uint16_t	wt_chan_flags;
61};
62
63#define IWI_TX_RADIOTAP_PRESENT						\
64	((1 << IEEE80211_RADIOTAP_FLAGS) |				\
65	 (1 << IEEE80211_RADIOTAP_CHANNEL))
66
67struct iwi_cmd_ring {
68	bus_dma_tag_t		desc_dmat;
69	bus_dmamap_t		desc_map;
70	bus_addr_t		physaddr;
71	struct iwi_cmd_desc	*desc;
72	int			count;
73	int			queued;
74	int			cur;
75	int			next;
76};
77
78struct iwi_tx_data {
79	bus_dmamap_t		map;
80	struct mbuf		*m;
81	struct ieee80211_node	*ni;
82};
83
84struct iwi_tx_ring {
85	bus_dma_tag_t		desc_dmat;
86	bus_dma_tag_t		data_dmat;
87	bus_dmamap_t		desc_map;
88	bus_addr_t		physaddr;
89	bus_addr_t		csr_ridx;
90	bus_addr_t		csr_widx;
91	struct iwi_tx_desc	*desc;
92	struct iwi_tx_data	*data;
93	int			count;
94	int			queued;
95	int			cur;
96	int			next;
97};
98
99struct iwi_rx_data {
100	bus_dmamap_t	map;
101	bus_addr_t	physaddr;
102	uint32_t	reg;
103	struct mbuf	*m;
104};
105
106struct iwi_rx_ring {
107	bus_dma_tag_t		data_dmat;
108	struct iwi_rx_data	*data;
109	int			count;
110	int			cur;
111};
112
113struct iwi_softc {
114	struct ifnet		*sc_ifp;
115	struct ieee80211com	sc_ic;
116	int			(*sc_newstate)(struct ieee80211com *,
117				    enum ieee80211_state, int);
118	device_t		sc_dev;
119
120	struct mtx		sc_mtx;
121
122	struct iwi_firmware	fw;
123	uint32_t		flags;
124#define IWI_FLAG_FW_CACHED	(1 << 0)
125#define IWI_FLAG_FW_INITED	(1 << 1)
126#define IWI_FLAG_FW_WARNED	(1 << 2)
127#define IWI_FLAG_SCANNING	(1 << 3)
128
129	struct iwi_cmd_ring	cmdq;
130	struct iwi_tx_ring	txq[WME_NUM_AC];
131	struct iwi_rx_ring	rxq;
132
133	struct resource		*irq;
134	struct resource		*mem;
135	bus_space_tag_t		sc_st;
136	bus_space_handle_t	sc_sh;
137	void 			*sc_ih;
138	int			mem_rid;
139	int			irq_rid;
140
141	int			antenna;
142	int			dwelltime;
143	int			bluetooth;
144
145	int			sc_tx_timer;
146
147	struct bpf_if		*sc_drvbpf;
148
149	union {
150		struct iwi_rx_radiotap_header th;
151		uint8_t	pad[64];
152	}			sc_rxtapu;
153#define sc_rxtap	sc_rxtapu.th
154	int			sc_rxtap_len;
155
156	union {
157		struct iwi_tx_radiotap_header th;
158		uint8_t	pad[64];
159	}			sc_txtapu;
160#define sc_txtap	sc_txtapu.th
161	int			sc_txtap_len;
162};
163
164#define SIOCSLOADFW	 _IOW('i', 137, struct ifreq)
165#define SIOCSKILLFW	 _IOW('i', 138, struct ifreq)
166
167#define IWI_LOCK(sc)	mtx_lock(&(sc)->sc_mtx)
168#define IWI_UNLOCK(sc)	mtx_unlock(&(sc)->sc_mtx)
169