1/* $NetBSD: if_wpivar.h,v 1.19 2015/01/06 15:39:54 bouyer 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_dma_tag_t tag;
57 bus_dmamap_t map;
58 bus_dma_segment_t seg;
59 bus_addr_t paddr;
60 void * vaddr;
61 bus_size_t size;
62};
63
64struct wpi_tx_data {
65 bus_dmamap_t map;
66 struct mbuf *m;
67 struct ieee80211_node *ni;
68};
69
70struct wpi_tx_ring {
71 struct wpi_dma_info desc_dma;
72 struct wpi_dma_info cmd_dma;
73 struct wpi_tx_desc *desc;
74 struct wpi_tx_cmd *cmd;
75 struct wpi_tx_data *data;
76 int qid;
77 int count;
78 int queued;
79 int cur;
80};
81
82#define WPI_RBUF_COUNT (WPI_RX_RING_COUNT * 2)
83
84struct wpi_softc;
85
86struct wpi_rbuf {
87 struct wpi_softc *sc;
88 void * vaddr;
89 bus_addr_t paddr;
90 SLIST_ENTRY(wpi_rbuf) next;
91};
92
93struct wpi_rx_data {
94 bus_dmamap_t map;
95 struct mbuf *m;
96};
97
98struct wpi_rx_ring {
99 struct wpi_dma_info desc_dma;
100 struct wpi_dma_info buf_dma;
101 uint32_t *desc;
102 struct wpi_rx_data data[WPI_RX_RING_COUNT];
103 struct wpi_rbuf rbuf[WPI_RBUF_COUNT];
104 SLIST_HEAD(, wpi_rbuf) freelist;
105 kmutex_t freelist_mtx;
106 int cur;
107};
108
109struct wpi_node {
110 struct ieee80211_node ni; /* must be the first */
111 struct ieee80211_amrr_node amn;
112};
113
114struct wpi_power_sample {
115 uint8_t index;
116 int8_t power;
117};
118
119struct wpi_power_group {
120#define WPI_SAMPLES_COUNT 5
121 struct wpi_power_sample samples[WPI_SAMPLES_COUNT];
122 uint8_t chan;
123 int8_t maxpwr;
124 int16_t temp;
125};
126
127struct wpi_softc {
128 device_t sc_dev;
129 struct ethercom sc_ec;
130 struct ieee80211com sc_ic;
131 int (*sc_newstate)(struct ieee80211com *,
132 enum ieee80211_state, int);
133
134 struct ieee80211_amrr amrr;
135
136 bus_dma_tag_t sc_dmat;
137
138 /* shared area */
139 struct wpi_dma_info shared_dma;
140 struct wpi_shared *shared;
141
142 /* firmware DMA transfer */
143 struct wpi_dma_info fw_dma;
144 bool fw_used;
145
146 struct wpi_tx_ring txq[4];
147 struct wpi_tx_ring cmdq;
148 struct wpi_rx_ring rxq;
149
150 bus_space_tag_t sc_st;
151 bus_space_handle_t sc_sh;
152 void *sc_ih;
153 pci_chipset_tag_t sc_pct;
154 pcitag_t sc_pcitag;
155 bus_size_t sc_sz;
156
157 struct callout calib_to;
158 int calib_cnt;
159
160 struct wpi_config config;
161 int temp;
162
163 uint8_t cap;
164 uint16_t rev;
165 uint8_t type;
166 struct wpi_power_group groups[WPI_POWER_GROUPS_COUNT];
167 int8_t maxpwr[IEEE80211_CHAN_MAX];
168
169 int sc_tx_timer;
170
171 struct bpf_if * sc_drvbpf;
172
173 union {
174 struct wpi_rx_radiotap_header th;
175 uint8_t pad[IEEE80211_RADIOTAP_HDRLEN];
176 } sc_rxtapu;
177#define sc_rxtap sc_rxtapu.th
178 int sc_rxtap_len;
179
180 union {
181 struct wpi_tx_radiotap_header th;
182 uint8_t pad[IEEE80211_RADIOTAP_HDRLEN];
183 } sc_txtapu;
184#define sc_txtap sc_txtapu.th
185 int sc_txtap_len;
186
187 bool is_scanning;
188
189 struct sysctllog *sc_sysctllog;
190 struct sysmon_pswitch sc_rsw; /* for radio switch events */
191 int sc_rsw_status;
192#define WPI_RSW_UNKNOWN 0
193#define WPI_RSW_OFF 1
194#define WPI_RSW_ON 2
195 struct lwp *sc_rsw_lwp;
196 struct kmutex sc_rsw_mtx;
197 struct kcondvar sc_rsw_cv;
198 int sc_dying;
199};
200