1/* $NetBSD: if_otusvar.h,v 1.8 2016/04/23 10:15:31 skrll Exp $ */
2/* $OpenBSD: if_otusreg.h,v 1.6 2009/04/06 18:17:01 damien Exp $ */
3
4/*-
5 * Copyright (c) 2009 Damien Bergamini <damien.bergamini@free.fr>
6 * Copyright (c) 2007-2008 Atheros Communications, Inc.
7 *
8 * Permission to use, copy, modify, and distribute this software for any
9 * purpose with or without fee is hereby granted, provided that the above
10 * copyright notice and this permission notice appear in all copies.
11 *
12 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
13 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
14 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
15 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
16 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
17 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
18 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
19 */
20#ifndef _IF_OTUSVAR_H_
21#define _IF_OTUSVAR_H_
22
23#ifndef HAVE_EDCA
24/************************************************************
25 * XXX: This block belongs in sys/net80211/ieee80211_var.h.
26 */
27/*
28 * EDCA AC parameters.
29 */
30struct ieee80211_edca_ac_params {
31 uint8_t ac_ecwmin; /* CWmin = 2^ECWmin - 1 */
32 uint8_t ac_ecwmax; /* CWmax = 2^ECWmax - 1 */
33 uint8_t ac_aifsn;
34 uint16_t ac_txoplimit; /* 32TU */
35 uint8_t ac_acm;
36};
37/************************************************************/
38#endif /* ! HAVE_EDCA */
39
40/* Default EDCA parameters for when QoS is disabled. */
41static const struct ieee80211_edca_ac_params otus_edca_def[] = {
42 { 4, 10, 3, 0, 0 },
43 { 4, 10, 7, 0, 0 },
44 { 3, 4, 2, 94, 0 },
45 { 2, 3, 2, 47, 0 }
46};
47
48#define OTUS_TX_DATA_LIST_COUNT 8
49#define OTUS_RX_DATA_LIST_COUNT 1
50
51#define OTUS_CMD_TIMEOUT 1000
52#define OTUS_TX_TIMEOUT 1000
53
54#define OTUS_UID(aid) (IEEE80211_AID(aid) + 4)
55
56#define OTUS_MAX_TXCMDSZ 64
57#define OTUS_RXBUFSZ (8 * 1024)
58#define OTUS_TXBUFSZ (4 * 1024)
59
60#define OTUS_RIDX_CCK1 0
61#define OTUS_RIDX_OFDM6 4
62#define OTUS_RIDX_OFDM24 8
63#define OTUS_RIDX_MAX 11
64static const struct otus_rate {
65 uint8_t rate;
66 uint8_t mcs;
67} otus_rates[] = {
68 { 2, 0x0 },
69 { 4, 0x1 },
70 { 11, 0x2 },
71 { 22, 0x3 },
72 { 12, 0xb },
73 { 18, 0xf },
74 { 24, 0xa },
75 { 36, 0xe },
76 { 48, 0x9 },
77 { 72, 0xd },
78 { 96, 0x8 },
79 { 108, 0xc }
80};
81
82struct otus_rx_radiotap_header {
83 struct ieee80211_radiotap_header wr_ihdr;
84 uint8_t wr_flags;
85 uint8_t wr_rate;
86 uint16_t wr_chan_freq;
87 uint16_t wr_chan_flags;
88 uint8_t wr_antsignal;
89} __packed;
90
91#define OTUS_RX_RADIOTAP_PRESENT \
92 (1 << IEEE80211_RADIOTAP_FLAGS | \
93 1 << IEEE80211_RADIOTAP_RATE | \
94 1 << IEEE80211_RADIOTAP_CHANNEL | \
95 1 << IEEE80211_RADIOTAP_DB_ANTSIGNAL)
96
97struct otus_tx_radiotap_header {
98 struct ieee80211_radiotap_header wt_ihdr;
99 uint8_t wt_flags;
100 uint8_t wt_rate;
101 uint16_t wt_chan_freq;
102 uint16_t wt_chan_flags;
103} __packed;
104
105#define OTUS_TX_RADIOTAP_PRESENT \
106 (1 << IEEE80211_RADIOTAP_FLAGS | \
107 1 << IEEE80211_RADIOTAP_RATE | \
108 1 << IEEE80211_RADIOTAP_CHANNEL)
109
110
111struct otus_softc;
112
113struct otus_tx_cmd {
114 struct usbd_xfer *xfer;
115 uint8_t *buf;
116 void *odata;
117 uint16_t token;
118 uint8_t done;
119};
120
121struct otus_rx_data {
122 struct otus_softc *sc;
123 struct usbd_xfer *xfer;
124 uint8_t *buf;
125};
126
127struct otus_tx_data {
128 struct otus_softc *sc;
129 struct usbd_xfer *xfer;
130 uint8_t *buf;
131 TAILQ_ENTRY(otus_tx_data) next;
132};
133
134struct otus_host_cmd {
135 void (*cb)(struct otus_softc *, void *);
136 uint8_t data[256];
137};
138
139#define OTUS_HOST_CMD_RING_COUNT 32
140struct otus_host_cmd_ring {
141 struct otus_host_cmd cmd[OTUS_HOST_CMD_RING_COUNT];
142 int cur;
143 int next;
144 int queued;
145};
146
147struct otus_node {
148 struct ieee80211_node ni; /* must be first */
149 struct ieee80211_amrr_node amn;
150 uint8_t ridx[IEEE80211_RATE_MAXSIZE];
151};
152
153struct otus_cmd_newstate {
154 enum ieee80211_state state;
155 int arg;
156};
157
158struct otus_cmd_key {
159 struct ieee80211_key key;
160 uint16_t associd;
161};
162
163struct otus_softc {
164 device_t sc_dev;
165 struct ieee80211com sc_ic;
166 struct ethercom sc_ec;
167#define sc_if sc_ec.ec_if
168 int (*sc_newstate)(struct ieee80211com *,
169 enum ieee80211_state, int);
170 void (*sc_led_newstate)(struct otus_softc *);
171
172 struct usbd_device * sc_udev;
173 struct usbd_interface * sc_iface;
174
175 struct ar5416eeprom sc_eeprom;
176 uint8_t sc_capflags;
177 uint8_t sc_rxmask;
178 uint8_t sc_txmask;
179
180 struct usbd_pipe * sc_data_tx_pipe;
181 struct usbd_pipe * sc_data_rx_pipe;
182 struct usbd_pipe * sc_cmd_tx_pipe;
183 struct usbd_pipe * sc_cmd_rx_pipe;
184 uint8_t *sc_ibuf;
185 size_t sc_ibuf_size;
186
187 int sc_if_flags;
188 int sc_tx_timer;
189 int sc_fixed_ridx;
190 int sc_bb_reset;
191
192 struct ieee80211_channel *sc_curchan;
193
194 struct usb_task sc_task;
195 callout_t sc_scan_to;
196 callout_t sc_calib_to;
197 struct ieee80211_amrr sc_amrr;
198
199 unsigned int sc_write_idx;
200 uint32_t sc_led_state;
201
202 kmutex_t sc_cmd_mtx;
203 kmutex_t sc_task_mtx;
204 kmutex_t sc_write_mtx;
205 kmutex_t sc_tx_mtx;
206
207 const uint32_t *sc_phy_vals;
208
209 struct {
210 uint32_t reg;
211 uint32_t val;
212 } __packed sc_write_buf[AR_FW_MAX_WRITES];
213
214 struct otus_host_cmd_ring sc_cmdq;
215 struct otus_tx_cmd sc_tx_cmd;
216 struct otus_tx_data sc_tx_data[OTUS_TX_DATA_LIST_COUNT];
217 TAILQ_HEAD(, otus_tx_data) sc_tx_free_list;
218 struct otus_rx_data sc_rx_data[OTUS_RX_DATA_LIST_COUNT];
219
220 struct bpf_if * sc_drvbpf;
221 union {
222 struct otus_rx_radiotap_header th;
223 uint8_t pad[64];
224 } sc_rxtapu;
225#define sc_rxtap sc_rxtapu.th
226 int sc_rxtap_len;
227 union {
228 struct otus_tx_radiotap_header th;
229 uint8_t pad[64];
230 } sc_txtapu;
231#define sc_txtap sc_txtapu.th
232 int sc_txtap_len;
233
234 uint8_t sc_rx_error_msk;
235 int sc_dying;
236};
237
238#endif /* _IF_OTUSVAR_H_ */
239