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
|
/*
* Copyright (c) 2012 Broadcom Corporation
* Copyright (c) 2012 Canonical Ltd.
*
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
* SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
* OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
* CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#include <linux/debugfs.h>
#include <linux/if_ether.h>
#include <linux/if.h>
#include <linux/net.h>
#include <linux/netdevice.h>
#include <linux/ieee80211.h>
#include <linux/module.h>
#include <net/mac80211.h>
#include <defs.h>
#include <brcmu_wifi.h>
#include <brcmu_utils.h>
#include "types.h"
#include "main.h"
#include "debug.h"
#include "brcms_trace_events.h"
#include "phy/phy_int.h"
static struct dentry *root_folder;
void brcms_debugfs_init(void)
{
root_folder = debugfs_create_dir(KBUILD_MODNAME, NULL);
if (IS_ERR(root_folder))
root_folder = NULL;
}
void brcms_debugfs_exit(void)
{
if (!root_folder)
return;
debugfs_remove_recursive(root_folder);
root_folder = NULL;
}
int brcms_debugfs_attach(struct brcms_pub *drvr)
{
if (!root_folder)
return -ENODEV;
drvr->dbgfs_dir = debugfs_create_dir(
dev_name(&drvr->wlc->hw->d11core->dev), root_folder);
return PTR_ERR_OR_ZERO(drvr->dbgfs_dir);
}
void brcms_debugfs_detach(struct brcms_pub *drvr)
{
if (!IS_ERR_OR_NULL(drvr->dbgfs_dir))
debugfs_remove_recursive(drvr->dbgfs_dir);
}
struct dentry *brcms_debugfs_get_devdir(struct brcms_pub *drvr)
{
return drvr->dbgfs_dir;
}
static
int brcms_debugfs_hardware_read(struct seq_file *s, void *data)
{
struct brcms_pub *drvr = s->private;
struct brcms_hardware *hw = drvr->wlc->hw;
struct bcma_device *core = hw->d11core;
struct bcma_bus *bus = core->bus;
char boardrev[BRCMU_BOARDREV_LEN];
seq_printf(s, "chipnum 0x%x\n"
"chiprev 0x%x\n"
"chippackage 0x%x\n"
"corerev 0x%x\n"
"boardid 0x%x\n"
"boardvendor 0x%x\n"
"boardrev %s\n"
"boardflags 0x%x\n"
"boardflags2 0x%x\n"
"ucoderev 0x%x\n"
"radiorev 0x%x\n"
"phytype 0x%x\n"
"phyrev 0x%x\n"
"anarev 0x%x\n"
"nvramrev %d\n",
bus->chipinfo.id, bus->chipinfo.rev, bus->chipinfo.pkg,
core->id.rev, bus->boardinfo.type, bus->boardinfo.vendor,
brcmu_boardrev_str(hw->boardrev, boardrev),
drvr->wlc->hw->boardflags, drvr->wlc->hw->boardflags2,
drvr->wlc->ucode_rev, hw->band->radiorev,
hw->band->phytype, hw->band->phyrev, hw->band->pi->ana_rev,
hw->sromrev);
return 0;
}
static int brcms_debugfs_macstat_read(struct seq_file *s, void *data)
{
struct brcms_pub *drvr = s->private;
struct brcms_info *wl = drvr->ieee_hw->priv;
struct macstat stats;
int i;
spin_lock_bh(&wl->lock);
stats = *(drvr->wlc->core->macstat_snapshot);
spin_unlock_bh(&wl->lock);
seq_printf(s, "txallfrm: %d\n", stats.txallfrm);
seq_printf(s, "txrtsfrm: %d\n", stats.txrtsfrm);
seq_printf(s, "txctsfrm: %d\n", stats.txctsfrm);
seq_printf(s, "txackfrm: %d\n", stats.txackfrm);
seq_printf(s, "txdnlfrm: %d\n", stats.txdnlfrm);
seq_printf(s, "txbcnfrm: %d\n", stats.txbcnfrm);
seq_printf(s, "txfunfl[8]:");
for (i = 0; i < ARRAY_SIZE(stats.txfunfl); i++)
seq_printf(s, " %d", stats.txfunfl[i]);
seq_printf(s, "\ntxtplunfl: %d\n", stats.txtplunfl);
seq_printf(s, "txphyerr: %d\n", stats.txphyerr);
seq_printf(s, "pktengrxducast: %d\n", stats.pktengrxducast);
seq_printf(s, "pktengrxdmcast: %d\n", stats.pktengrxdmcast);
seq_printf(s, "rxfrmtoolong: %d\n", stats.rxfrmtoolong);
seq_printf(s, "rxfrmtooshrt: %d\n", stats.rxfrmtooshrt);
seq_printf(s, "rxinvmachdr: %d\n", stats.rxinvmachdr);
seq_printf(s, "rxbadfcs: %d\n", stats.rxbadfcs);
seq_printf(s, "rxbadplcp: %d\n", stats.rxbadplcp);
seq_printf(s, "rxcrsglitch: %d\n", stats.rxcrsglitch);
seq_printf(s, "rxstrt: %d\n", stats.rxstrt);
seq_printf(s, "rxdfrmucastmbss: %d\n", stats.rxdfrmucastmbss);
seq_printf(s, "rxmfrmucastmbss: %d\n", stats.rxmfrmucastmbss);
seq_printf(s, "rxcfrmucast: %d\n", stats.rxcfrmucast);
seq_printf(s, "rxrtsucast: %d\n", stats.rxrtsucast);
seq_printf(s, "rxctsucast: %d\n", stats.rxctsucast);
seq_printf(s, "rxackucast: %d\n", stats.rxackucast);
seq_printf(s, "rxdfrmocast: %d\n", stats.rxdfrmocast);
seq_printf(s, "rxmfrmocast: %d\n", stats.rxmfrmocast);
seq_printf(s, "rxcfrmocast: %d\n", stats.rxcfrmocast);
seq_printf(s, "rxrtsocast: %d\n", stats.rxrtsocast);
seq_printf(s, "rxctsocast: %d\n", stats.rxctsocast);
seq_printf(s, "rxdfrmmcast: %d\n", stats.rxdfrmmcast);
seq_printf(s, "rxmfrmmcast: %d\n", stats.rxmfrmmcast);
seq_printf(s, "rxcfrmmcast: %d\n", stats.rxcfrmmcast);
seq_printf(s, "rxbeaconmbss: %d\n", stats.rxbeaconmbss);
seq_printf(s, "rxdfrmucastobss: %d\n", stats.rxdfrmucastobss);
seq_printf(s, "rxbeaconobss: %d\n", stats.rxbeaconobss);
seq_printf(s, "rxrsptmout: %d\n", stats.rxrsptmout);
seq_printf(s, "bcntxcancl: %d\n", stats.bcntxcancl);
seq_printf(s, "rxf0ovfl: %d\n", stats.rxf0ovfl);
seq_printf(s, "rxf1ovfl: %d\n", stats.rxf1ovfl);
seq_printf(s, "rxf2ovfl: %d\n", stats.rxf2ovfl);
seq_printf(s, "txsfovfl: %d\n", stats.txsfovfl);
seq_printf(s, "pmqovfl: %d\n", stats.pmqovfl);
seq_printf(s, "rxcgprqfrm: %d\n", stats.rxcgprqfrm);
seq_printf(s, "rxcgprsqovfl: %d\n", stats.rxcgprsqovfl);
seq_printf(s, "txcgprsfail: %d\n", stats.txcgprsfail);
seq_printf(s, "txcgprssuc: %d\n", stats.txcgprssuc);
seq_printf(s, "prs_timeout: %d\n", stats.prs_timeout);
seq_printf(s, "rxnack: %d\n", stats.rxnack);
seq_printf(s, "frmscons: %d\n", stats.frmscons);
seq_printf(s, "txnack: %d\n", stats.txnack);
seq_printf(s, "txglitch_nack: %d\n", stats.txglitch_nack);
seq_printf(s, "txburst: %d\n", stats.txburst);
seq_printf(s, "bphy_rxcrsglitch: %d\n", stats.bphy_rxcrsglitch);
seq_printf(s, "phywatchdog: %d\n", stats.phywatchdog);
seq_printf(s, "bphy_badplcp: %d\n", stats.bphy_badplcp);
return 0;
}
struct brcms_debugfs_entry {
int (*read)(struct seq_file *seq, void *data);
struct brcms_pub *drvr;
};
static int brcms_debugfs_entry_open(struct inode *inode, struct file *f)
{
struct brcms_debugfs_entry *entry = inode->i_private;
return single_open(f, entry->read, entry->drvr);
}
static const struct file_operations brcms_debugfs_def_ops = {
.owner = THIS_MODULE,
.open = brcms_debugfs_entry_open,
.release = single_release,
.read = seq_read,
.llseek = seq_lseek
};
static int
brcms_debugfs_add_entry(struct brcms_pub *drvr, const char *fn,
int (*read_fn)(struct seq_file *seq, void *data))
{
struct device *dev = &drvr->wlc->hw->d11core->dev;
struct dentry *dentry = drvr->dbgfs_dir;
struct brcms_debugfs_entry *entry;
if (IS_ERR_OR_NULL(dentry))
return -ENOENT;
entry = devm_kzalloc(dev, sizeof(*entry), GFP_KERNEL);
if (!entry)
return -ENOMEM;
entry->read = read_fn;
entry->drvr = drvr;
dentry = debugfs_create_file(fn, S_IRUGO, dentry, entry,
&brcms_debugfs_def_ops);
return PTR_ERR_OR_ZERO(dentry);
}
void brcms_debugfs_create_files(struct brcms_pub *drvr)
{
if (IS_ERR_OR_NULL(drvr->dbgfs_dir))
return;
brcms_debugfs_add_entry(drvr, "hardware", brcms_debugfs_hardware_read);
brcms_debugfs_add_entry(drvr, "macstat", brcms_debugfs_macstat_read);
}
#define __brcms_fn(fn) \
void __brcms_ ##fn(struct device *dev, const char *fmt, ...) \
{ \
struct va_format vaf = { \
.fmt = fmt, \
}; \
va_list args; \
\
va_start(args, fmt); \
vaf.va = &args; \
dev_ ##fn(dev, "%pV", &vaf); \
trace_brcms_ ##fn(&vaf); \
va_end(args); \
}
__brcms_fn(info)
__brcms_fn(warn)
__brcms_fn(err)
__brcms_fn(crit)
#if defined(CONFIG_BRCMDBG) || defined(CONFIG_BRCM_TRACING)
void __brcms_dbg(struct device *dev, u32 level, const char *func,
const char *fmt, ...)
{
struct va_format vaf = {
.fmt = fmt,
};
va_list args;
va_start(args, fmt);
vaf.va = &args;
#ifdef CONFIG_BRCMDBG
if ((brcm_msg_level & level) && net_ratelimit())
dev_err(dev, "%s %pV", func, &vaf);
#endif
trace_brcms_dbg(level, func, &vaf);
va_end(args);
}
#endif
|