mac80211: move txrate_idx into RC algorithms
[linux-2.6] / net / mac80211 / debugfs.c
1 /*
2  * mac80211 debugfs for wireless PHYs
3  *
4  * Copyright 2007       Johannes Berg <johannes@sipsolutions.net>
5  *
6  * GPLv2
7  *
8  */
9
10 #include <linux/debugfs.h>
11 #include <linux/rtnetlink.h>
12 #include "ieee80211_i.h"
13 #include "rate.h"
14 #include "debugfs.h"
15
16 int mac80211_open_file_generic(struct inode *inode, struct file *file)
17 {
18         file->private_data = inode->i_private;
19         return 0;
20 }
21
22 #define DEBUGFS_READONLY_FILE(name, buflen, fmt, value...)              \
23 static ssize_t name## _read(struct file *file, char __user *userbuf,    \
24                             size_t count, loff_t *ppos)                 \
25 {                                                                       \
26         struct ieee80211_local *local = file->private_data;             \
27         char buf[buflen];                                               \
28         int res;                                                        \
29                                                                         \
30         res = scnprintf(buf, buflen, fmt "\n", ##value);                \
31         return simple_read_from_buffer(userbuf, count, ppos, buf, res); \
32 }                                                                       \
33                                                                         \
34 static const struct file_operations name## _ops = {                     \
35         .read = name## _read,                                           \
36         .open = mac80211_open_file_generic,                             \
37 };
38
39 #define DEBUGFS_ADD(name)                                               \
40         local->debugfs.name = debugfs_create_file(#name, 0400, phyd,    \
41                                                   local, &name## _ops);
42
43 #define DEBUGFS_DEL(name)                                               \
44         debugfs_remove(local->debugfs.name);                            \
45         local->debugfs.name = NULL;
46
47
48 DEBUGFS_READONLY_FILE(frequency, 20, "%d",
49                       local->hw.conf.channel->center_freq);
50 DEBUGFS_READONLY_FILE(antenna_sel_tx, 20, "%d",
51                       local->hw.conf.antenna_sel_tx);
52 DEBUGFS_READONLY_FILE(antenna_sel_rx, 20, "%d",
53                       local->hw.conf.antenna_sel_rx);
54 DEBUGFS_READONLY_FILE(rts_threshold, 20, "%d",
55                       local->rts_threshold);
56 DEBUGFS_READONLY_FILE(fragmentation_threshold, 20, "%d",
57                       local->fragmentation_threshold);
58 DEBUGFS_READONLY_FILE(short_retry_limit, 20, "%d",
59                       local->short_retry_limit);
60 DEBUGFS_READONLY_FILE(long_retry_limit, 20, "%d",
61                       local->long_retry_limit);
62 DEBUGFS_READONLY_FILE(total_ps_buffered, 20, "%d",
63                       local->total_ps_buffered);
64 DEBUGFS_READONLY_FILE(wep_iv, 20, "%#06x",
65                       local->wep_iv & 0xffffff);
66 DEBUGFS_READONLY_FILE(rate_ctrl_alg, 100, "%s",
67                       local->rate_ctrl ? local->rate_ctrl->ops->name : "<unset>");
68
69 /* statistics stuff */
70
71 #define DEBUGFS_STATS_FILE(name, buflen, fmt, value...)                 \
72         DEBUGFS_READONLY_FILE(stats_ ##name, buflen, fmt, ##value)
73
74 static ssize_t format_devstat_counter(struct ieee80211_local *local,
75         char __user *userbuf,
76         size_t count, loff_t *ppos,
77         int (*printvalue)(struct ieee80211_low_level_stats *stats, char *buf,
78                           int buflen))
79 {
80         struct ieee80211_low_level_stats stats;
81         char buf[20];
82         int res;
83
84         if (!local->ops->get_stats)
85                 return -EOPNOTSUPP;
86
87         rtnl_lock();
88         res = local->ops->get_stats(local_to_hw(local), &stats);
89         rtnl_unlock();
90         if (!res)
91                 res = printvalue(&stats, buf, sizeof(buf));
92         return simple_read_from_buffer(userbuf, count, ppos, buf, res);
93 }
94
95 #define DEBUGFS_DEVSTATS_FILE(name)                                     \
96 static int print_devstats_##name(struct ieee80211_low_level_stats *stats,\
97                                  char *buf, int buflen)                 \
98 {                                                                       \
99         return scnprintf(buf, buflen, "%u\n", stats->name);             \
100 }                                                                       \
101 static ssize_t stats_ ##name## _read(struct file *file,                 \
102                                      char __user *userbuf,              \
103                                      size_t count, loff_t *ppos)        \
104 {                                                                       \
105         return format_devstat_counter(file->private_data,               \
106                                       userbuf,                          \
107                                       count,                            \
108                                       ppos,                             \
109                                       print_devstats_##name);           \
110 }                                                                       \
111                                                                         \
112 static const struct file_operations stats_ ##name## _ops = {            \
113         .read = stats_ ##name## _read,                                  \
114         .open = mac80211_open_file_generic,                             \
115 };
116
117 #define DEBUGFS_STATS_ADD(name)                                         \
118         local->debugfs.stats.name = debugfs_create_file(#name, 0400, statsd,\
119                 local, &stats_ ##name## _ops);
120
121 #define DEBUGFS_STATS_DEL(name)                                         \
122         debugfs_remove(local->debugfs.stats.name);                      \
123         local->debugfs.stats.name = NULL;
124
125 DEBUGFS_STATS_FILE(transmitted_fragment_count, 20, "%u",
126                    local->dot11TransmittedFragmentCount);
127 DEBUGFS_STATS_FILE(multicast_transmitted_frame_count, 20, "%u",
128                    local->dot11MulticastTransmittedFrameCount);
129 DEBUGFS_STATS_FILE(failed_count, 20, "%u",
130                    local->dot11FailedCount);
131 DEBUGFS_STATS_FILE(retry_count, 20, "%u",
132                    local->dot11RetryCount);
133 DEBUGFS_STATS_FILE(multiple_retry_count, 20, "%u",
134                    local->dot11MultipleRetryCount);
135 DEBUGFS_STATS_FILE(frame_duplicate_count, 20, "%u",
136                    local->dot11FrameDuplicateCount);
137 DEBUGFS_STATS_FILE(received_fragment_count, 20, "%u",
138                    local->dot11ReceivedFragmentCount);
139 DEBUGFS_STATS_FILE(multicast_received_frame_count, 20, "%u",
140                    local->dot11MulticastReceivedFrameCount);
141 DEBUGFS_STATS_FILE(transmitted_frame_count, 20, "%u",
142                    local->dot11TransmittedFrameCount);
143 DEBUGFS_STATS_FILE(wep_undecryptable_count, 20, "%u",
144                    local->dot11WEPUndecryptableCount);
145 #ifdef CONFIG_MAC80211_DEBUG_COUNTERS
146 DEBUGFS_STATS_FILE(tx_handlers_drop, 20, "%u",
147                    local->tx_handlers_drop);
148 DEBUGFS_STATS_FILE(tx_handlers_queued, 20, "%u",
149                    local->tx_handlers_queued);
150 DEBUGFS_STATS_FILE(tx_handlers_drop_unencrypted, 20, "%u",
151                    local->tx_handlers_drop_unencrypted);
152 DEBUGFS_STATS_FILE(tx_handlers_drop_fragment, 20, "%u",
153                    local->tx_handlers_drop_fragment);
154 DEBUGFS_STATS_FILE(tx_handlers_drop_wep, 20, "%u",
155                    local->tx_handlers_drop_wep);
156 DEBUGFS_STATS_FILE(tx_handlers_drop_not_assoc, 20, "%u",
157                    local->tx_handlers_drop_not_assoc);
158 DEBUGFS_STATS_FILE(tx_handlers_drop_unauth_port, 20, "%u",
159                    local->tx_handlers_drop_unauth_port);
160 DEBUGFS_STATS_FILE(rx_handlers_drop, 20, "%u",
161                    local->rx_handlers_drop);
162 DEBUGFS_STATS_FILE(rx_handlers_queued, 20, "%u",
163                    local->rx_handlers_queued);
164 DEBUGFS_STATS_FILE(rx_handlers_drop_nullfunc, 20, "%u",
165                    local->rx_handlers_drop_nullfunc);
166 DEBUGFS_STATS_FILE(rx_handlers_drop_defrag, 20, "%u",
167                    local->rx_handlers_drop_defrag);
168 DEBUGFS_STATS_FILE(rx_handlers_drop_short, 20, "%u",
169                    local->rx_handlers_drop_short);
170 DEBUGFS_STATS_FILE(rx_handlers_drop_passive_scan, 20, "%u",
171                    local->rx_handlers_drop_passive_scan);
172 DEBUGFS_STATS_FILE(tx_expand_skb_head, 20, "%u",
173                    local->tx_expand_skb_head);
174 DEBUGFS_STATS_FILE(tx_expand_skb_head_cloned, 20, "%u",
175                    local->tx_expand_skb_head_cloned);
176 DEBUGFS_STATS_FILE(rx_expand_skb_head, 20, "%u",
177                    local->rx_expand_skb_head);
178 DEBUGFS_STATS_FILE(rx_expand_skb_head2, 20, "%u",
179                    local->rx_expand_skb_head2);
180 DEBUGFS_STATS_FILE(rx_handlers_fragments, 20, "%u",
181                    local->rx_handlers_fragments);
182 DEBUGFS_STATS_FILE(tx_status_drop, 20, "%u",
183                    local->tx_status_drop);
184
185 #endif
186
187 DEBUGFS_DEVSTATS_FILE(dot11ACKFailureCount);
188 DEBUGFS_DEVSTATS_FILE(dot11RTSFailureCount);
189 DEBUGFS_DEVSTATS_FILE(dot11FCSErrorCount);
190 DEBUGFS_DEVSTATS_FILE(dot11RTSSuccessCount);
191
192
193 void debugfs_hw_add(struct ieee80211_local *local)
194 {
195         struct dentry *phyd = local->hw.wiphy->debugfsdir;
196         struct dentry *statsd;
197
198         if (!phyd)
199                 return;
200
201         local->debugfs.stations = debugfs_create_dir("stations", phyd);
202         local->debugfs.keys = debugfs_create_dir("keys", phyd);
203
204         DEBUGFS_ADD(frequency);
205         DEBUGFS_ADD(antenna_sel_tx);
206         DEBUGFS_ADD(antenna_sel_rx);
207         DEBUGFS_ADD(rts_threshold);
208         DEBUGFS_ADD(fragmentation_threshold);
209         DEBUGFS_ADD(short_retry_limit);
210         DEBUGFS_ADD(long_retry_limit);
211         DEBUGFS_ADD(total_ps_buffered);
212         DEBUGFS_ADD(wep_iv);
213
214         statsd = debugfs_create_dir("statistics", phyd);
215         local->debugfs.statistics = statsd;
216
217         /* if the dir failed, don't put all the other things into the root! */
218         if (!statsd)
219                 return;
220
221         DEBUGFS_STATS_ADD(transmitted_fragment_count);
222         DEBUGFS_STATS_ADD(multicast_transmitted_frame_count);
223         DEBUGFS_STATS_ADD(failed_count);
224         DEBUGFS_STATS_ADD(retry_count);
225         DEBUGFS_STATS_ADD(multiple_retry_count);
226         DEBUGFS_STATS_ADD(frame_duplicate_count);
227         DEBUGFS_STATS_ADD(received_fragment_count);
228         DEBUGFS_STATS_ADD(multicast_received_frame_count);
229         DEBUGFS_STATS_ADD(transmitted_frame_count);
230         DEBUGFS_STATS_ADD(wep_undecryptable_count);
231 #ifdef CONFIG_MAC80211_DEBUG_COUNTERS
232         DEBUGFS_STATS_ADD(tx_handlers_drop);
233         DEBUGFS_STATS_ADD(tx_handlers_queued);
234         DEBUGFS_STATS_ADD(tx_handlers_drop_unencrypted);
235         DEBUGFS_STATS_ADD(tx_handlers_drop_fragment);
236         DEBUGFS_STATS_ADD(tx_handlers_drop_wep);
237         DEBUGFS_STATS_ADD(tx_handlers_drop_not_assoc);
238         DEBUGFS_STATS_ADD(tx_handlers_drop_unauth_port);
239         DEBUGFS_STATS_ADD(rx_handlers_drop);
240         DEBUGFS_STATS_ADD(rx_handlers_queued);
241         DEBUGFS_STATS_ADD(rx_handlers_drop_nullfunc);
242         DEBUGFS_STATS_ADD(rx_handlers_drop_defrag);
243         DEBUGFS_STATS_ADD(rx_handlers_drop_short);
244         DEBUGFS_STATS_ADD(rx_handlers_drop_passive_scan);
245         DEBUGFS_STATS_ADD(tx_expand_skb_head);
246         DEBUGFS_STATS_ADD(tx_expand_skb_head_cloned);
247         DEBUGFS_STATS_ADD(rx_expand_skb_head);
248         DEBUGFS_STATS_ADD(rx_expand_skb_head2);
249         DEBUGFS_STATS_ADD(rx_handlers_fragments);
250         DEBUGFS_STATS_ADD(tx_status_drop);
251 #endif
252         DEBUGFS_STATS_ADD(dot11ACKFailureCount);
253         DEBUGFS_STATS_ADD(dot11RTSFailureCount);
254         DEBUGFS_STATS_ADD(dot11FCSErrorCount);
255         DEBUGFS_STATS_ADD(dot11RTSSuccessCount);
256 }
257
258 void debugfs_hw_del(struct ieee80211_local *local)
259 {
260         DEBUGFS_DEL(frequency);
261         DEBUGFS_DEL(antenna_sel_tx);
262         DEBUGFS_DEL(antenna_sel_rx);
263         DEBUGFS_DEL(rts_threshold);
264         DEBUGFS_DEL(fragmentation_threshold);
265         DEBUGFS_DEL(short_retry_limit);
266         DEBUGFS_DEL(long_retry_limit);
267         DEBUGFS_DEL(total_ps_buffered);
268         DEBUGFS_DEL(wep_iv);
269
270         DEBUGFS_STATS_DEL(transmitted_fragment_count);
271         DEBUGFS_STATS_DEL(multicast_transmitted_frame_count);
272         DEBUGFS_STATS_DEL(failed_count);
273         DEBUGFS_STATS_DEL(retry_count);
274         DEBUGFS_STATS_DEL(multiple_retry_count);
275         DEBUGFS_STATS_DEL(frame_duplicate_count);
276         DEBUGFS_STATS_DEL(received_fragment_count);
277         DEBUGFS_STATS_DEL(multicast_received_frame_count);
278         DEBUGFS_STATS_DEL(transmitted_frame_count);
279         DEBUGFS_STATS_DEL(wep_undecryptable_count);
280         DEBUGFS_STATS_DEL(num_scans);
281 #ifdef CONFIG_MAC80211_DEBUG_COUNTERS
282         DEBUGFS_STATS_DEL(tx_handlers_drop);
283         DEBUGFS_STATS_DEL(tx_handlers_queued);
284         DEBUGFS_STATS_DEL(tx_handlers_drop_unencrypted);
285         DEBUGFS_STATS_DEL(tx_handlers_drop_fragment);
286         DEBUGFS_STATS_DEL(tx_handlers_drop_wep);
287         DEBUGFS_STATS_DEL(tx_handlers_drop_not_assoc);
288         DEBUGFS_STATS_DEL(tx_handlers_drop_unauth_port);
289         DEBUGFS_STATS_DEL(rx_handlers_drop);
290         DEBUGFS_STATS_DEL(rx_handlers_queued);
291         DEBUGFS_STATS_DEL(rx_handlers_drop_nullfunc);
292         DEBUGFS_STATS_DEL(rx_handlers_drop_defrag);
293         DEBUGFS_STATS_DEL(rx_handlers_drop_short);
294         DEBUGFS_STATS_DEL(rx_handlers_drop_passive_scan);
295         DEBUGFS_STATS_DEL(tx_expand_skb_head);
296         DEBUGFS_STATS_DEL(tx_expand_skb_head_cloned);
297         DEBUGFS_STATS_DEL(rx_expand_skb_head);
298         DEBUGFS_STATS_DEL(rx_expand_skb_head2);
299         DEBUGFS_STATS_DEL(rx_handlers_fragments);
300         DEBUGFS_STATS_DEL(tx_status_drop);
301 #endif
302         DEBUGFS_STATS_DEL(dot11ACKFailureCount);
303         DEBUGFS_STATS_DEL(dot11RTSFailureCount);
304         DEBUGFS_STATS_DEL(dot11FCSErrorCount);
305         DEBUGFS_STATS_DEL(dot11RTSSuccessCount);
306
307         debugfs_remove(local->debugfs.statistics);
308         local->debugfs.statistics = NULL;
309         debugfs_remove(local->debugfs.stations);
310         local->debugfs.stations = NULL;
311         debugfs_remove(local->debugfs.keys);
312         local->debugfs.keys = NULL;
313 }