1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
|
// SPDX-License-Identifier: GPL-2.0-only
/*
* mac80211 glue code for mac80211 ST-Ericsson CW1200 drivers
* DebugFS code
*
* Copyright (c) 2010, ST-Ericsson
* Author: Dmitry Tarnyagin <dmitry.tarnyagin@lockless.no>
*/
#include <linux/module.h>
#include <linux/debugfs.h>
#include <linux/seq_file.h>
#include "cw1200.h"
#include "debug.h"
#include "fwio.h"
/* join_status */
static const char * const cw1200_debug_join_status[] = {
"passive",
"monitor",
"station (joining)",
"station (not authenticated yet)",
"station",
"adhoc",
"access point",
};
/* WSM_JOIN_PREAMBLE_... */
static const char * const cw1200_debug_preamble[] = {
"long",
"short",
"long on 1 and 2 Mbps",
};
static const char * const cw1200_debug_link_id[] = {
"OFF",
"REQ",
"SOFT",
"HARD",
"RESET",
"RESET_REMAP",
};
static const char *cw1200_debug_mode(int mode)
{
switch (mode) {
case NL80211_IFTYPE_UNSPECIFIED:
return "unspecified";
case NL80211_IFTYPE_MONITOR:
return "monitor";
case NL80211_IFTYPE_STATION:
return "station";
case NL80211_IFTYPE_ADHOC:
return "adhoc";
case NL80211_IFTYPE_MESH_POINT:
return "mesh point";
case NL80211_IFTYPE_AP:
return "access point";
case NL80211_IFTYPE_P2P_CLIENT:
return "p2p client";
case NL80211_IFTYPE_P2P_GO:
return "p2p go";
default:
return "unsupported";
}
}
static void cw1200_queue_status_show(struct seq_file *seq,
struct cw1200_queue *q)
{
int i;
seq_printf(seq, "Queue %d:\n", q->queue_id);
seq_printf(seq, " capacity: %zu\n", q->capacity);
seq_printf(seq, " queued: %zu\n", q->num_queued);
seq_printf(seq, " pending: %zu\n", q->num_pending);
seq_printf(seq, " sent: %zu\n", q->num_sent);
seq_printf(seq, " locked: %s\n", q->tx_locked_cnt ? "yes" : "no");
seq_printf(seq, " overfull: %s\n", q->overfull ? "yes" : "no");
seq_puts(seq, " link map: 0-> ");
for (i = 0; i < q->stats->map_capacity; ++i)
seq_printf(seq, "%.2d ", q->link_map_cache[i]);
seq_printf(seq, "<-%zu\n", q->stats->map_capacity);
}
static void cw1200_debug_print_map(struct seq_file *seq,
struct cw1200_common *priv,
const char *label,
u32 map)
{
int i;
seq_printf(seq, "%s0-> ", label);
for (i = 0; i < priv->tx_queue_stats.map_capacity; ++i)
seq_printf(seq, "%s ", (map & BIT(i)) ? "**" : "..");
seq_printf(seq, "<-%zu\n", priv->tx_queue_stats.map_capacity - 1);
}
static int cw1200_status_show(struct seq_file *seq, void *v)
{
int i;
struct list_head *item;
struct cw1200_common *priv = seq->private;
struct cw1200_debug_priv *d = priv->debug;
seq_puts(seq, "CW1200 Wireless LAN driver status\n");
seq_printf(seq, "Hardware: %d.%d\n",
priv->wsm_caps.hw_id,
priv->wsm_caps.hw_subid);
seq_printf(seq, "Firmware: %s %d.%d\n",
cw1200_fw_types[priv->wsm_caps.fw_type],
priv->wsm_caps.fw_ver,
priv->wsm_caps.fw_build);
seq_printf(seq, "FW API: %d\n",
priv->wsm_caps.fw_api);
seq_printf(seq, "FW caps: 0x%.4X\n",
priv->wsm_caps.fw_cap);
seq_printf(seq, "FW label: '%s'\n",
priv->wsm_caps.fw_label);
seq_printf(seq, "Mode: %s%s\n",
cw1200_debug_mode(priv->mode),
priv->listening ? " (listening)" : "");
seq_printf(seq, "Join state: %s\n",
cw1200_debug_join_status[priv->join_status]);
if (priv->channel)
seq_printf(seq, "Channel: %d%s\n",
priv->channel->hw_value,
priv->channel_switch_in_progress ?
" (switching)" : "");
if (priv->rx_filter.promiscuous)
seq_puts(seq, "Filter: promisc\n");
else if (priv->rx_filter.fcs)
seq_puts(seq, "Filter: fcs\n");
if (priv->rx_filter.bssid)
seq_puts(seq, "Filter: bssid\n");
if (!priv->disable_beacon_filter)
seq_puts(seq, "Filter: beacons\n");
if (priv->enable_beacon ||
priv->mode == NL80211_IFTYPE_AP ||
priv->mode == NL80211_IFTYPE_ADHOC ||
priv->mode == NL80211_IFTYPE_MESH_POINT ||
priv->mode == NL80211_IFTYPE_P2P_GO)
seq_printf(seq, "Beaconing: %s\n",
priv->enable_beacon ?
"enabled" : "disabled");
for (i = 0; i < 4; ++i)
seq_printf(seq, "EDCA(%d): %d, %d, %d, %d, %d\n", i,
priv->edca.params[i].cwmin,
priv->edca.params[i].cwmax,
priv->edca.params[i].aifns,
priv->edca.params[i].txop_limit,
priv->edca.params[i].max_rx_lifetime);
if (priv->join_status == CW1200_JOIN_STATUS_STA) {
static const char *pm_mode = "unknown";
switch (priv->powersave_mode.mode) {
case WSM_PSM_ACTIVE:
pm_mode = "off";
break;
case WSM_PSM_PS:
pm_mode = "on";
break;
case WSM_PSM_FAST_PS:
pm_mode = "dynamic";
break;
}
seq_printf(seq, "Preamble: %s\n",
cw1200_debug_preamble[priv->association_mode.preamble]);
seq_printf(seq, "AMPDU spcn: %d\n",
priv->association_mode.mpdu_start_spacing);
seq_printf(seq, "Basic rate: 0x%.8X\n",
le32_to_cpu(priv->association_mode.basic_rate_set));
seq_printf(seq, "Bss lost: %d beacons\n",
priv->bss_params.beacon_lost_count);
seq_printf(seq, "AID: %d\n",
priv->bss_params.aid);
seq_printf(seq, "Rates: 0x%.8X\n",
priv->bss_params.operational_rate_set);
seq_printf(seq, "Powersave: %s\n", pm_mode);
}
seq_printf(seq, "HT: %s\n",
cw1200_is_ht(&priv->ht_info) ? "on" : "off");
if (cw1200_is_ht(&priv->ht_info)) {
seq_printf(seq, "Greenfield: %s\n",
cw1200_ht_greenfield(&priv->ht_info) ? "yes" : "no");
seq_printf(seq, "AMPDU dens: %d\n",
cw1200_ht_ampdu_density(&priv->ht_info));
}
seq_printf(seq, "RSSI thold: %d\n",
priv->cqm_rssi_thold);
seq_printf(seq, "RSSI hyst: %d\n",
priv->cqm_rssi_hyst);
seq_printf(seq, "Long retr: %d\n",
priv->long_frame_max_tx_count);
seq_printf(seq, "Short retr: %d\n",
priv->short_frame_max_tx_count);
spin_lock_bh(&priv->tx_policy_cache.lock);
i = 0;
list_for_each(item, &priv->tx_policy_cache.used)
++i;
spin_unlock_bh(&priv->tx_policy_cache.lock);
seq_printf(seq, "RC in use: %d\n", i);
seq_puts(seq, "\n");
for (i = 0; i < 4; ++i) {
cw1200_queue_status_show(seq, &priv->tx_queue[i]);
seq_puts(seq, "\n");
}
cw1200_debug_print_map(seq, priv, "Link map: ",
priv->link_id_map);
cw1200_debug_print_map(seq, priv, "Asleep map: ",
priv->sta_asleep_mask);
cw1200_debug_print_map(seq, priv, "PSPOLL map: ",
priv->pspoll_mask);
seq_puts(seq, "\n");
for (i = 0; i < CW1200_MAX_STA_IN_AP_MODE; ++i) {
if (priv->link_id_db[i].status) {
seq_printf(seq, "Link %d: %s, %pM\n",
i + 1,
cw1200_debug_link_id[priv->link_id_db[i].status],
priv->link_id_db[i].mac);
}
}
seq_puts(seq, "\n");
seq_printf(seq, "BH status: %s\n",
atomic_read(&priv->bh_term) ? "terminated" : "alive");
seq_printf(seq, "Pending RX: %d\n",
atomic_read(&priv->bh_rx));
seq_printf(seq, "Pending TX: %d\n",
atomic_read(&priv->bh_tx));
if (priv->bh_error)
seq_printf(seq, "BH errcode: %d\n",
priv->bh_error);
seq_printf(seq, "TX bufs: %d x %d bytes\n",
priv->wsm_caps.input_buffers,
priv->wsm_caps.input_buffer_size);
seq_printf(seq, "Used bufs: %d\n",
priv->hw_bufs_used);
seq_printf(seq, "Powermgmt: %s\n",
priv->powersave_enabled ? "on" : "off");
seq_printf(seq, "Device: %s\n",
priv->device_can_sleep ? "asleep" : "awake");
spin_lock(&priv->wsm_cmd.lock);
seq_printf(seq, "WSM status: %s\n",
priv->wsm_cmd.done ? "idle" : "active");
seq_printf(seq, "WSM cmd: 0x%.4X (%td bytes)\n",
priv->wsm_cmd.cmd, priv->wsm_cmd.len);
seq_printf(seq, "WSM retval: %d\n",
priv->wsm_cmd.ret);
spin_unlock(&priv->wsm_cmd.lock);
seq_printf(seq, "Datapath: %s\n",
atomic_read(&priv->tx_lock) ? "locked" : "unlocked");
if (atomic_read(&priv->tx_lock))
seq_printf(seq, "TXlock cnt: %d\n",
atomic_read(&priv->tx_lock));
seq_printf(seq, "TXed: %d\n",
d->tx);
seq_printf(seq, "AGG TXed: %d\n",
d->tx_agg);
seq_printf(seq, "MULTI TXed: %d (%d)\n",
d->tx_multi, d->tx_multi_frames);
seq_printf(seq, "RXed: %d\n",
d->rx);
seq_printf(seq, "AGG RXed: %d\n",
d->rx_agg);
seq_printf(seq, "TX miss: %d\n",
d->tx_cache_miss);
seq_printf(seq, "TX align: %d\n",
d->tx_align);
seq_printf(seq, "TX burst: %d\n",
d->tx_burst);
seq_printf(seq, "TX TTL: %d\n",
d->tx_ttl);
seq_printf(seq, "Scan: %s\n",
atomic_read(&priv->scan.in_progress) ? "active" : "idle");
return 0;
}
DEFINE_SHOW_ATTRIBUTE(cw1200_status);
static int cw1200_counters_show(struct seq_file *seq, void *v)
{
int ret;
struct cw1200_common *priv = seq->private;
struct wsm_mib_counters_table counters;
ret = wsm_get_counters_table(priv, &counters);
if (ret)
return ret;
#define PUT_COUNTER(tab, name) \
seq_printf(seq, "%s:" tab "%d\n", #name, \
__le32_to_cpu(counters.name))
PUT_COUNTER("\t\t", plcp_errors);
PUT_COUNTER("\t\t", fcs_errors);
PUT_COUNTER("\t\t", tx_packets);
PUT_COUNTER("\t\t", rx_packets);
PUT_COUNTER("\t\t", rx_packet_errors);
PUT_COUNTER("\t", rx_decryption_failures);
PUT_COUNTER("\t\t", rx_mic_failures);
PUT_COUNTER("\t", rx_no_key_failures);
PUT_COUNTER("\t", tx_multicast_frames);
PUT_COUNTER("\t", tx_frames_success);
PUT_COUNTER("\t", tx_frame_failures);
PUT_COUNTER("\t", tx_frames_retried);
PUT_COUNTER("\t", tx_frames_multi_retried);
PUT_COUNTER("\t", rx_frame_duplicates);
PUT_COUNTER("\t\t", rts_success);
PUT_COUNTER("\t\t", rts_failures);
PUT_COUNTER("\t\t", ack_failures);
PUT_COUNTER("\t", rx_multicast_frames);
PUT_COUNTER("\t", rx_frames_success);
PUT_COUNTER("\t", rx_cmac_icv_errors);
PUT_COUNTER("\t\t", rx_cmac_replays);
PUT_COUNTER("\t", rx_mgmt_ccmp_replays);
#undef PUT_COUNTER
return 0;
}
DEFINE_SHOW_ATTRIBUTE(cw1200_counters);
static ssize_t cw1200_wsm_dumps(struct file *file,
const char __user *user_buf, size_t count, loff_t *ppos)
{
struct cw1200_common *priv = file->private_data;
char buf[1];
if (!count)
return -EINVAL;
if (copy_from_user(buf, user_buf, 1))
return -EFAULT;
if (buf[0] == '1')
priv->wsm_enable_wsm_dumps = 1;
else
priv->wsm_enable_wsm_dumps = 0;
return count;
}
static const struct file_operations fops_wsm_dumps = {
.open = simple_open,
.write = cw1200_wsm_dumps,
.llseek = default_llseek,
};
int cw1200_debug_init(struct cw1200_common *priv)
{
int ret = -ENOMEM;
struct cw1200_debug_priv *d = kzalloc(sizeof(struct cw1200_debug_priv),
GFP_KERNEL);
priv->debug = d;
if (!d)
return ret;
d->debugfs_phy = debugfs_create_dir("cw1200",
priv->hw->wiphy->debugfsdir);
debugfs_create_file("status", 0400, d->debugfs_phy, priv,
&cw1200_status_fops);
debugfs_create_file("counters", 0400, d->debugfs_phy, priv,
&cw1200_counters_fops);
debugfs_create_file("wsm_dumps", 0200, d->debugfs_phy, priv,
&fops_wsm_dumps);
return 0;
}
void cw1200_debug_release(struct cw1200_common *priv)
{
struct cw1200_debug_priv *d = priv->debug;
if (d) {
debugfs_remove_recursive(d->debugfs_phy);
priv->debug = NULL;
kfree(d);
}
}
|
