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1.1 nbrk 1: /* $OpenBSD: if_iwivar.h,v 1.18 2006/08/19 12:03:05 damien Exp $ */
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: struct iwi_rx_radiotap_header {
31: struct ieee80211_radiotap_header wr_ihdr;
32: uint8_t wr_flags;
33: uint8_t wr_rate;
34: uint16_t wr_chan_freq;
35: uint16_t wr_chan_flags;
36: uint8_t wr_antsignal;
37: uint8_t wr_antenna;
38: } __packed;
39:
40: #define IWI_RX_RADIOTAP_PRESENT \
41: ((1 << IEEE80211_RADIOTAP_FLAGS) | \
42: (1 << IEEE80211_RADIOTAP_RATE) | \
43: (1 << IEEE80211_RADIOTAP_CHANNEL) | \
44: (1 << IEEE80211_RADIOTAP_DB_ANTSIGNAL) | \
45: (1 << IEEE80211_RADIOTAP_ANTENNA))
46:
47: struct iwi_tx_radiotap_header {
48: struct ieee80211_radiotap_header wt_ihdr;
49: uint8_t wt_flags;
50: uint16_t wt_chan_freq;
51: uint16_t wt_chan_flags;
52: } __packed;
53:
54: #define IWI_TX_RADIOTAP_PRESENT \
55: ((1 << IEEE80211_RADIOTAP_FLAGS) | \
56: (1 << IEEE80211_RADIOTAP_CHANNEL))
57:
58:
59: struct iwi_cmd_ring {
60: bus_dmamap_t map;
61: bus_dma_segment_t seg;
62: struct iwi_cmd_desc desc[IWI_CMD_RING_COUNT];
63: int queued;
64: int cur;
65: int next;
66: };
67:
68: struct iwi_tx_data {
69: bus_dmamap_t map;
70: struct mbuf *m;
71: struct ieee80211_node *ni;
72: };
73:
74: struct iwi_tx_ring {
75: bus_dmamap_t map;
76: bus_dma_segment_t seg;
77: bus_size_t csr_ridx;
78: bus_size_t csr_widx;
79: struct iwi_tx_desc *desc;
80: struct iwi_tx_data data[IWI_TX_RING_COUNT];
81: int queued;
82: int cur;
83: int next;
84: };
85:
86: struct iwi_rx_data {
87: bus_dmamap_t map;
88: struct mbuf *m;
89: uint32_t reg;
90: };
91:
92: struct iwi_rx_ring {
93: struct iwi_rx_data data[IWI_RX_RING_COUNT];
94: int cur;
95: };
96:
97: struct iwi_softc {
98: struct device sc_dev;
99:
100: struct ieee80211com sc_ic;
101: int (*sc_newstate)(struct ieee80211com *,
102: enum ieee80211_state, int);
103:
104: uint32_t flags;
105: #define IWI_FLAG_FW_INITED (1 << 0)
106:
107: bus_dma_tag_t sc_dmat;
108:
109: struct iwi_cmd_ring cmdq;
110: struct iwi_tx_ring txq[4];
111: struct iwi_rx_ring rxq;
112:
113: #define IWI_MAX_NODE 32
114: uint8_t sta[IWI_MAX_NODE][IEEE80211_ADDR_LEN];
115: uint8_t nsta;
116:
117: bus_space_tag_t sc_st;
118: bus_space_handle_t sc_sh;
119: void *sc_ih;
120: pci_chipset_tag_t sc_pct;
121: pcitag_t sc_pcitag;
122: bus_size_t sc_sz;
123:
124: int sc_tx_timer;
125:
126: void *powerhook;
127:
128: #if NBPFILTER > 0
129: caddr_t sc_drvbpf;
130:
131: union {
132: struct iwi_rx_radiotap_header th;
133: uint8_t pad[64];
134: } sc_rxtapu;
135: #define sc_rxtap sc_rxtapu.th
136: int sc_rxtap_len;
137:
138: union {
139: struct iwi_tx_radiotap_header th;
140: uint8_t pad[64];
141: } sc_txtapu;
142: #define sc_txtap sc_txtapu.th
143: int sc_txtap_len;
144: #endif
145: };