if_ipwvar.h revision 166756 
1/*      $FreeBSD: head/sys/dev/ipw/if_ipwvar.h 166756 2007-02-15 17:21:31Z luigi $	*/
2
3/*-
4 * Copyright (c) 2004-2006
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#define IPW_MAX_NSEG	1
31
32struct ipw_soft_bd {
33	struct ipw_bd	*bd;
34	int		type;
35#define IPW_SBD_TYPE_NOASSOC	0
36#define IPW_SBD_TYPE_COMMAND	1
37#define IPW_SBD_TYPE_HEADER	2
38#define IPW_SBD_TYPE_DATA	3
39	void		*priv;
40};
41
42struct ipw_soft_hdr {
43	struct ipw_hdr			hdr;
44	bus_dmamap_t			map;
45	SLIST_ENTRY(ipw_soft_hdr)	next;
46};
47
48struct ipw_soft_buf {
49	struct mbuf			*m;
50	struct ieee80211_node		*ni;
51	bus_dmamap_t			map;
52	SLIST_ENTRY(ipw_soft_buf)	next;
53};
54
55struct ipw_rx_radiotap_header {
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_antsignal;
61};
62
63#define IPW_RX_RADIOTAP_PRESENT						\
64	((1 << IEEE80211_RADIOTAP_FLAGS) |				\
65	 (1 << IEEE80211_RADIOTAP_CHANNEL) |				\
66	 (1 << IEEE80211_RADIOTAP_DB_ANTSIGNAL))
67
68struct ipw_tx_radiotap_header {
69	struct ieee80211_radiotap_header wt_ihdr;
70	uint8_t		wt_flags;
71	uint16_t	wt_chan_freq;
72	uint16_t	wt_chan_flags;
73};
74
75#define IPW_TX_RADIOTAP_PRESENT						\
76	((1 << IEEE80211_RADIOTAP_FLAGS) |				\
77	 (1 << IEEE80211_RADIOTAP_CHANNEL))
78
79struct ipw_softc {
80	struct ifnet			*sc_ifp;
81	struct ieee80211com		sc_ic;
82	int				(*sc_newstate)(struct ieee80211com *,
83					    enum ieee80211_state, int);
84	device_t			sc_dev;
85
86	struct mtx			sc_mtx;
87	struct task			sc_init_task;
88
89	uint32_t			flags;
90#define IPW_FLAG_FW_INITED		(1 << 0)
91#define IPW_FLAG_INIT_LOCKED		(1 << 1)
92#define IPW_FLAG_HAS_RADIO_SWITCH	(1 << 2)
93#define	IPW_FLAG_FW_WARNED		(1 << 3)
94
95	int				irq_rid;
96	int				mem_rid;
97	struct resource			*irq;
98	struct resource			*mem;
99	bus_space_tag_t			sc_st;
100	bus_space_handle_t		sc_sh;
101	void 				*sc_ih;
102	const struct firmware		*sc_firmware;
103
104	int				sc_tx_timer;
105
106	bus_dma_tag_t			tbd_dmat;
107	bus_dma_tag_t			rbd_dmat;
108	bus_dma_tag_t			status_dmat;
109	bus_dma_tag_t			cmd_dmat;
110	bus_dma_tag_t			hdr_dmat;
111	bus_dma_tag_t			txbuf_dmat;
112	bus_dma_tag_t			rxbuf_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
119	bus_addr_t			tbd_phys;
120	bus_addr_t			rbd_phys;
121	bus_addr_t			status_phys;
122
123	struct ipw_bd			*tbd_list;
124	struct ipw_bd			*rbd_list;
125	struct ipw_status		*status_list;
126
127	struct ipw_cmd			cmd;
128	struct ipw_soft_bd		stbd_list[IPW_NTBD];
129	struct ipw_soft_buf		tx_sbuf_list[IPW_NDATA];
130	struct ipw_soft_hdr		shdr_list[IPW_NDATA];
131	struct ipw_soft_bd		srbd_list[IPW_NRBD];
132	struct ipw_soft_buf		rx_sbuf_list[IPW_NRBD];
133
134	SLIST_HEAD(, ipw_soft_hdr)	free_shdr;
135	SLIST_HEAD(, ipw_soft_buf)	free_sbuf;
136
137	uint32_t			table1_base;
138	uint32_t			table2_base;
139
140	uint32_t			txcur;
141	uint32_t			txold;
142	uint32_t			rxcur;
143	int				txfree;
144
145	int				dwelltime;
146
147	struct bpf_if			*sc_drvbpf;
148
149	union {
150		struct ipw_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 ipw_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