1/* $NetBSD: if_iwivar.h,v 1.18 2015/09/06 06:01:00 dholland Exp $ */
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
30#include <sys/ioccom.h>
31
32struct iwi_firmware {
33 void *boot;
34 int boot_size;
35 void *ucode;
36 int ucode_size;
37 void *main;
38 int main_size;
39};
40
41struct iwi_rx_radiotap_header {
42 struct ieee80211_radiotap_header wr_ihdr;
43 uint8_t wr_flags;
44 uint8_t wr_rate;
45 uint16_t wr_chan_freq;
46 uint16_t wr_chan_flags;
47 uint8_t wr_antsignal;
48 uint8_t wr_antenna;
49};
50
51#define IWI_RX_RADIOTAP_PRESENT \
52 ((1 << IEEE80211_RADIOTAP_FLAGS) | \
53 (1 << IEEE80211_RADIOTAP_RATE) | \
54 (1 << IEEE80211_RADIOTAP_CHANNEL) | \
55 (1 << IEEE80211_RADIOTAP_DB_ANTSIGNAL) | \
56 (1 << IEEE80211_RADIOTAP_ANTENNA))
57
58struct iwi_tx_radiotap_header {
59 struct ieee80211_radiotap_header wt_ihdr;
60 uint8_t wt_flags;
61 uint16_t wt_chan_freq;
62 uint16_t wt_chan_flags;
63};
64
65#define IWI_TX_RADIOTAP_PRESENT \
66 ((1 << IEEE80211_RADIOTAP_FLAGS) | \
67 (1 << IEEE80211_RADIOTAP_CHANNEL))
68
69struct iwi_cmd_ring {
70 bus_dmamap_t desc_map;
71 bus_dma_segment_t desc_seg;
72 struct iwi_cmd_desc *desc;
73 int count;
74 int queued;
75 int cur;
76 int next;
77};
78
79struct iwi_tx_data {
80 bus_dmamap_t map;
81 struct mbuf *m;
82 struct ieee80211_node *ni;
83};
84
85struct iwi_tx_ring {
86 bus_dmamap_t desc_map;
87 bus_dma_segment_t desc_seg;
88 bus_size_t csr_ridx;
89 bus_size_t csr_widx;
90 struct iwi_tx_desc *desc;
91 struct iwi_tx_data *data;
92 int count;
93 int queued;
94 int cur;
95 int next;
96};
97
98struct iwi_rx_data {
99 bus_dmamap_t map;
100 struct mbuf *m;
101};
102
103struct iwi_rx_ring {
104 struct iwi_rx_data *data;
105 int count;
106 int cur;
107};
108
109struct iwi_node {
110 struct ieee80211_node in_node;
111 int in_station;
112#define IWI_MAX_IBSSNODE 32
113};
114
115struct iwi_softc {
116 device_t sc_dev;
117 struct ethercom sc_ec;
118 struct ieee80211com sc_ic;
119 int (*sc_newstate)(struct ieee80211com *,
120 enum ieee80211_state, int);
121 void (*sc_node_free)(struct ieee80211_node *);
122
123 uint32_t sc_unr;
124
125 struct iwi_firmware fw;
126 const char *sc_fwname;
127 char *sc_blob;
128 size_t sc_blobsize;
129
130 uint32_t flags;
131#define IWI_FLAG_FW_CACHED (1 << 0)
132#define IWI_FLAG_FW_INITED (1 << 1)
133#define IWI_FLAG_SCANNING (1 << 3)
134
135 bus_dma_tag_t sc_dmat;
136
137 struct iwi_cmd_ring cmdq;
138 struct iwi_tx_ring txq[WME_NUM_AC];
139 struct iwi_rx_ring rxq;
140
141 struct resource *irq;
142 struct resource *mem;
143 bus_space_tag_t sc_st;
144 bus_space_handle_t sc_sh;
145 void *sc_ih;
146 pci_chipset_tag_t sc_pct;
147 pcitag_t sc_pcitag;
148 bus_size_t sc_sz;
149
150 struct sysctllog *sc_sysctllog;
151
152 int antenna;
153 int dwelltime;
154 int bluetooth;
155 int nictype;
156
157 int sc_tx_timer;
158
159 struct bpf_if *sc_drvbpf;
160
161 union {
162 struct iwi_rx_radiotap_header th;
163 uint8_t pad[64];
164 } sc_rxtapu;
165#define sc_rxtap sc_rxtapu.th
166 int sc_rxtap_len;
167
168 union {
169 struct iwi_tx_radiotap_header th;
170 uint8_t pad[64];
171 } sc_txtapu;
172#define sc_txtap sc_txtapu.th
173 int sc_txtap_len;
174};
175
176#define sc_if sc_ec.ec_if
177
178#define SIOCGRADIO _IOWR('i', 139, struct ifreq)
179#define SIOCGTABLE0 _IOWR('i', 140, struct ifreq)
180