if_wpivar.h revision 1.1 
1/*  $NetBSD: if_wpivar.h,v 1.1 2006/08/13 02:21:45 simonb Exp $    */
2
3/*-
4 * Copyright (c) 2006
5 *	Damien Bergamini <damien.bergamini@free.fr>
6 *
7 * Permission to use, copy, modify, and distribute this software for any
8 * purpose with or without fee is hereby granted, provided that the above
9 * copyright notice and this permission notice appear in all copies.
10 *
11 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
12 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
13 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
14 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
15 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
16 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
17 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
18 */
19
20struct wpi_rx_radiotap_header {
21	struct ieee80211_radiotap_header wr_ihdr;
22	uint64_t	wr_tsft;
23	uint8_t		wr_flags;
24	uint8_t		wr_rate;
25	uint16_t	wr_chan_freq;
26	uint16_t	wr_chan_flags;
27	int8_t		wr_dbm_antsignal;
28	int8_t		wr_dbm_antnoise;
29	uint8_t		wr_antenna;
30};
31
32#define WPI_RX_RADIOTAP_PRESENT						\
33	((1 << IEEE80211_RADIOTAP_TSFT) |				\
34	 (1 << IEEE80211_RADIOTAP_FLAGS) |				\
35	 (1 << IEEE80211_RADIOTAP_RATE) |				\
36	 (1 << IEEE80211_RADIOTAP_CHANNEL) |				\
37	 (1 << IEEE80211_RADIOTAP_DBM_ANTSIGNAL) |			\
38	 (1 << IEEE80211_RADIOTAP_DBM_ANTNOISE) |			\
39	 (1 << IEEE80211_RADIOTAP_ANTENNA))
40
41struct wpi_tx_radiotap_header {
42	struct ieee80211_radiotap_header wt_ihdr;
43	uint8_t		wt_flags;
44	uint8_t		wt_rate;
45	uint16_t	wt_chan_freq;
46	uint16_t	wt_chan_flags;
47	uint8_t		wt_hwqueue;
48};
49
50#define WPI_TX_RADIOTAP_PRESENT						\
51	((1 << IEEE80211_RADIOTAP_FLAGS) |				\
52	 (1 << IEEE80211_RADIOTAP_RATE) |				\
53	 (1 << IEEE80211_RADIOTAP_CHANNEL))
54
55struct wpi_dma_info {
56	bus_dmamap_t		map;
57	bus_dma_segment_t	seg;
58	bus_addr_t		paddr;
59	caddr_t			vaddr;
60	bus_size_t		size;
61};
62
63struct wpi_tx_data {
64	bus_dmamap_t		map;
65	struct mbuf		*m;
66	struct ieee80211_node	*ni;
67};
68
69struct wpi_tx_ring {
70	struct wpi_dma_info	desc_dma;
71	struct wpi_dma_info	cmd_dma;
72	struct wpi_tx_desc	*desc;
73	struct wpi_tx_cmd	*cmd;
74	struct wpi_tx_data	*data;
75	int			qid;
76	int			count;
77	int			queued;
78	int			cur;
79};
80
81struct wpi_rx_data {
82	bus_dmamap_t	map;
83	struct mbuf	*m;
84};
85
86struct wpi_rx_ring {
87	struct wpi_dma_info	desc_dma;
88	uint32_t		*desc;
89	struct wpi_rx_data	data[WPI_RX_RING_COUNT];
90	int			cur;
91};
92
93struct wpi_amrr {
94	struct	ieee80211_node ni;	/* must be the first */
95	int	txcnt;
96	int	retrycnt;
97	int	success;
98	int	success_threshold;
99	int	recovery;
100};
101
102struct wpi_softc {
103	struct device		sc_dev;
104	struct ethercom	 sc_ec;
105	struct ieee80211com	sc_ic;
106	int			(*sc_newstate)(struct ieee80211com *,
107					enum ieee80211_state, int);
108
109	uint32_t		flags;
110#define WPI_FLAG_FW_INITED	(1 << 0)
111
112	bus_dma_tag_t		sc_dmat;
113
114	/* shared area */
115	struct wpi_dma_info	shared_dma;
116	struct wpi_shared	*shared;
117
118	struct wpi_tx_ring	txq[4];
119	struct wpi_tx_ring	cmdq;
120	struct wpi_tx_ring	svcq;
121	struct wpi_rx_ring	rxq;
122
123	bus_space_tag_t		sc_st;
124	bus_space_handle_t	sc_sh;
125	void 			*sc_ih;
126	pci_chipset_tag_t	sc_pct;
127	pcitag_t		sc_pcitag;
128	bus_size_t		sc_sz;
129
130	struct callout	amrr_ch;
131
132	struct wpi_config	config;
133	uint16_t		pwr1[14];
134	uint16_t		pwr2[14];
135
136	int			sc_tx_timer;
137	void			*powerhook;
138
139#if NBPFILTER > 0
140	caddr_t			sc_drvbpf;
141
142	union {
143		struct wpi_rx_radiotap_header th;
144		uint8_t pad[IEEE80211_RADIOTAP_HDRLEN];
145	} sc_rxtapu;
146#define sc_rxtap	sc_rxtapu.th
147	int			sc_rxtap_len;
148
149	union {
150		struct wpi_tx_radiotap_header th;
151		uint8_t	pad[IEEE80211_RADIOTAP_HDRLEN];
152	} sc_txtapu;
153#define sc_txtap	sc_txtapu.th
154	int			sc_txtap_len;
155#endif
156};
157