if_ipwvar.h revision 147256 
1/*      $FreeBSD: head/sys/dev/ipw/if_ipwvar.h 147256 2005-06-10 16:49:24Z brooks $	*/
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 ipw_firmware {
31	void	*main;
32	int	main_size;
33	void	*ucode;
34	int	ucode_size;
35};
36
37#define IPW_MAX_NSEG	1
38
39struct ipw_soft_bd {
40	struct ipw_bd	*bd;
41	int		type;
42#define IPW_SBD_TYPE_NOASSOC	0
43#define IPW_SBD_TYPE_COMMAND	1
44#define IPW_SBD_TYPE_HEADER	2
45#define IPW_SBD_TYPE_DATA	3
46	void		*priv;
47};
48
49struct ipw_soft_hdr {
50	struct ipw_hdr			hdr;
51	bus_dmamap_t			map;
52	SLIST_ENTRY(ipw_soft_hdr)	next;
53};
54
55struct ipw_soft_buf {
56	struct mbuf			*m;
57	struct ieee80211_node		*ni;
58	bus_dmamap_t			map;
59	SLIST_ENTRY(ipw_soft_buf)	next;
60};
61
62struct ipw_rx_radiotap_header {
63	struct ieee80211_radiotap_header wr_ihdr;
64	uint8_t		wr_flags;
65	uint16_t	wr_chan_freq;
66	uint16_t	wr_chan_flags;
67	uint8_t		wr_antsignal;
68};
69
70#define IPW_RX_RADIOTAP_PRESENT						\
71	((1 << IEEE80211_RADIOTAP_FLAGS) |				\
72	 (1 << IEEE80211_RADIOTAP_CHANNEL) |				\
73	 (1 << IEEE80211_RADIOTAP_DB_ANTSIGNAL))
74
75struct ipw_tx_radiotap_header {
76	struct ieee80211_radiotap_header wt_ihdr;
77	uint8_t		wt_flags;
78	uint16_t	wt_chan_freq;
79	uint16_t	wt_chan_flags;
80};
81
82#define IPW_TX_RADIOTAP_PRESENT						\
83	((1 << IEEE80211_RADIOTAP_FLAGS) |				\
84	 (1 << IEEE80211_RADIOTAP_CHANNEL))
85
86struct ipw_softc {
87	struct ifnet			*sc_ifp;
88	struct ieee80211com		sc_ic;
89	int				(*sc_newstate)(struct ieee80211com *,
90					    enum ieee80211_state, int);
91	device_t			sc_dev;
92
93	struct mtx			sc_mtx;
94
95	struct ipw_firmware		fw;
96	uint32_t			flags;
97#define IPW_FLAG_FW_CACHED		(1 << 0)
98#define IPW_FLAG_FW_INITED		(1 << 1)
99#define IPW_FLAG_HAS_RADIO_SWITCH	(1 << 2)
100#define	IPW_FLAG_FW_WARNED		(1 << 3)
101
102	int				irq_rid;
103	int				mem_rid;
104	struct resource			*irq;
105	struct resource			*mem;
106	bus_space_tag_t			sc_st;
107	bus_space_handle_t		sc_sh;
108	void 				*sc_ih;
109
110	int				sc_tx_timer;
111
112	bus_dma_tag_t			tbd_dmat;
113	bus_dma_tag_t			rbd_dmat;
114	bus_dma_tag_t			status_dmat;
115	bus_dma_tag_t			cmd_dmat;
116	bus_dma_tag_t			hdr_dmat;
117	bus_dma_tag_t			txbuf_dmat;
118	bus_dma_tag_t			rxbuf_dmat;
119
120	bus_dmamap_t			tbd_map;
121	bus_dmamap_t			rbd_map;
122	bus_dmamap_t			status_map;
123	bus_dmamap_t			cmd_map;
124
125	bus_addr_t			tbd_phys;
126	bus_addr_t			rbd_phys;
127	bus_addr_t			status_phys;
128
129	struct ipw_bd			*tbd_list;
130	struct ipw_bd			*rbd_list;
131	struct ipw_status		*status_list;
132
133	struct ipw_cmd			cmd;
134	struct ipw_soft_bd		stbd_list[IPW_NTBD];
135	struct ipw_soft_buf		tx_sbuf_list[IPW_NDATA];
136	struct ipw_soft_hdr		shdr_list[IPW_NDATA];
137	struct ipw_soft_bd		srbd_list[IPW_NRBD];
138	struct ipw_soft_buf		rx_sbuf_list[IPW_NRBD];
139
140	SLIST_HEAD(, ipw_soft_hdr)	free_shdr;
141	SLIST_HEAD(, ipw_soft_buf)	free_sbuf;
142
143	uint32_t			table1_base;
144	uint32_t			table2_base;
145
146	uint32_t			txcur;
147	uint32_t			txold;
148	uint32_t			rxcur;
149	int				txfree;
150
151	int				dwelltime;
152
153	struct bpf_if			*sc_drvbpf;
154
155	union {
156		struct ipw_rx_radiotap_header th;
157		uint8_t	pad[64];
158	} sc_rxtapu;
159#define sc_rxtap	sc_rxtapu.th
160	int				sc_rxtap_len;
161
162	union {
163		struct ipw_tx_radiotap_header th;
164		uint8_t	pad[64];
165	} sc_txtapu;
166#define sc_txtap	sc_txtapu.th
167	int				sc_txtap_len;
168};
169
170#define SIOCSLOADFW	 _IOW('i', 137, struct ifreq)
171#define SIOCSKILLFW	 _IOW('i', 138, struct ifreq)
172
173#define IPW_LOCK(sc)	mtx_lock(&(sc)->sc_mtx)
174#define IPW_UNLOCK(sc)	mtx_unlock(&(sc)->sc_mtx)
175