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8#include <linux/debugfs.h>
9#include <linux/seq_file.h>
10#include <linux/crc32.h>
11
12#include "debug.h"
13#include "wfx.h"
14#include "sta.h"
15#include "main.h"
16#include "hif_tx.h"
17#include "hif_tx_mib.h"
18
19#define CREATE_TRACE_POINTS
20#include "traces.h"
21
22static const struct trace_print_flags hif_msg_print_map[] = {
23 hif_msg_list,
24};
25
26static const struct trace_print_flags hif_mib_print_map[] = {
27 hif_mib_list,
28};
29
30static const struct trace_print_flags wfx_reg_print_map[] = {
31 wfx_reg_list,
32};
33
34static const char *get_symbol(unsigned long val,
35 const struct trace_print_flags *symbol_array)
36{
37 int i;
38
39 for (i = 0; symbol_array[i].mask != -1; i++) {
40 if (val == symbol_array[i].mask)
41 return symbol_array[i].name;
42 }
43
44 return "unknown";
45}
46
47const char *get_hif_name(unsigned long id)
48{
49 return get_symbol(id, hif_msg_print_map);
50}
51
52const char *get_mib_name(unsigned long id)
53{
54 return get_symbol(id, hif_mib_print_map);
55}
56
57const char *get_reg_name(unsigned long id)
58{
59 return get_symbol(id, wfx_reg_print_map);
60}
61
62static int wfx_counters_show(struct seq_file *seq, void *v)
63{
64 int ret, i;
65 struct wfx_dev *wdev = seq->private;
66 struct hif_mib_extended_count_table counters[3];
67
68 for (i = 0; i < ARRAY_SIZE(counters); i++) {
69 ret = hif_get_counters_table(wdev, i, counters + i);
70 if (ret < 0)
71 return ret;
72 if (ret > 0)
73 return -EIO;
74 }
75
76 seq_printf(seq, "%-24s %12s %12s %12s\n",
77 "", "global", "iface 0", "iface 1");
78
79#define PUT_COUNTER(name) \
80 seq_printf(seq, "%-24s %12d %12d %12d\n", #name, \
81 le32_to_cpu(counters[2].count_##name), \
82 le32_to_cpu(counters[0].count_##name), \
83 le32_to_cpu(counters[1].count_##name))
84
85 PUT_COUNTER(tx_packets);
86 PUT_COUNTER(tx_multicast_frames);
87 PUT_COUNTER(tx_frames_success);
88 PUT_COUNTER(tx_frame_failures);
89 PUT_COUNTER(tx_frames_retried);
90 PUT_COUNTER(tx_frames_multi_retried);
91
92 PUT_COUNTER(rts_success);
93 PUT_COUNTER(rts_failures);
94 PUT_COUNTER(ack_failures);
95
96 PUT_COUNTER(rx_packets);
97 PUT_COUNTER(rx_frames_success);
98 PUT_COUNTER(rx_packet_errors);
99 PUT_COUNTER(plcp_errors);
100 PUT_COUNTER(fcs_errors);
101 PUT_COUNTER(rx_decryption_failures);
102 PUT_COUNTER(rx_mic_failures);
103 PUT_COUNTER(rx_no_key_failures);
104 PUT_COUNTER(rx_frame_duplicates);
105 PUT_COUNTER(rx_multicast_frames);
106 PUT_COUNTER(rx_cmacicv_errors);
107 PUT_COUNTER(rx_cmac_replays);
108 PUT_COUNTER(rx_mgmt_ccmp_replays);
109
110 PUT_COUNTER(rx_beacon);
111 PUT_COUNTER(miss_beacon);
112
113#undef PUT_COUNTER
114
115 for (i = 0; i < ARRAY_SIZE(counters[0].reserved); i++)
116 seq_printf(seq, "reserved[%02d]%12s %12d %12d %12d\n", i, "",
117 le32_to_cpu(counters[2].reserved[i]),
118 le32_to_cpu(counters[0].reserved[i]),
119 le32_to_cpu(counters[1].reserved[i]));
120
121 return 0;
122}
123DEFINE_SHOW_ATTRIBUTE(wfx_counters);
124
125static const char * const channel_names[] = {
126 [0] = "1M",
127 [1] = "2M",
128 [2] = "5.5M",
129 [3] = "11M",
130
131 [6] = "6M",
132 [7] = "9M",
133 [8] = "12M",
134 [9] = "18M",
135 [10] = "24M",
136 [11] = "36M",
137 [12] = "48M",
138 [13] = "54M",
139 [14] = "MCS0",
140 [15] = "MCS1",
141 [16] = "MCS2",
142 [17] = "MCS3",
143 [18] = "MCS4",
144 [19] = "MCS5",
145 [20] = "MCS6",
146 [21] = "MCS7",
147};
148
149static int wfx_rx_stats_show(struct seq_file *seq, void *v)
150{
151 struct wfx_dev *wdev = seq->private;
152 struct hif_rx_stats *st = &wdev->rx_stats;
153 int i;
154
155 mutex_lock(&wdev->rx_stats_lock);
156 seq_printf(seq, "Timestamp: %dus\n", st->date);
157 seq_printf(seq, "Low power clock: frequency %uHz, external %s\n",
158 le32_to_cpu(st->pwr_clk_freq),
159 st->is_ext_pwr_clk ? "yes" : "no");
160 seq_printf(seq,
161 "Num. of frames: %d, PER (x10e4): %d, Throughput: %dKbps/s\n",
162 st->nb_rx_frame, st->per_total, st->throughput);
163 seq_puts(seq, " Num. of PER RSSI SNR CFO\n");
164 seq_puts(seq, " frames (x10e4) (dBm) (dB) (kHz)\n");
165 for (i = 0; i < ARRAY_SIZE(channel_names); i++) {
166 if (channel_names[i])
167 seq_printf(seq, "%5s %8d %8d %8d %8d %8d\n",
168 channel_names[i],
169 le32_to_cpu(st->nb_rx_by_rate[i]),
170 le16_to_cpu(st->per[i]),
171 (s16)le16_to_cpu(st->rssi[i]) / 100,
172 (s16)le16_to_cpu(st->snr[i]) / 100,
173 (s16)le16_to_cpu(st->cfo[i]));
174 }
175 mutex_unlock(&wdev->rx_stats_lock);
176
177 return 0;
178}
179DEFINE_SHOW_ATTRIBUTE(wfx_rx_stats);
180
181static int wfx_tx_power_loop_show(struct seq_file *seq, void *v)
182{
183 struct wfx_dev *wdev = seq->private;
184 struct hif_tx_power_loop_info *st = &wdev->tx_power_loop_info;
185 int tmp;
186
187 mutex_lock(&wdev->tx_power_loop_info_lock);
188 tmp = le16_to_cpu(st->tx_gain_dig);
189 seq_printf(seq, "Tx gain digital: %d\n", tmp);
190 tmp = le16_to_cpu(st->tx_gain_pa);
191 seq_printf(seq, "Tx gain PA: %d\n", tmp);
192 tmp = (s16)le16_to_cpu(st->target_pout);
193 seq_printf(seq, "Target Pout: %d.%02d dBm\n", tmp / 4, (tmp % 4) * 25);
194 tmp = (s16)le16_to_cpu(st->p_estimation);
195 seq_printf(seq, "FEM Pout: %d.%02d dBm\n", tmp / 4, (tmp % 4) * 25);
196 tmp = le16_to_cpu(st->vpdet);
197 seq_printf(seq, "Vpdet: %d mV\n", tmp);
198 seq_printf(seq, "Measure index: %d\n", st->measurement_index);
199 mutex_unlock(&wdev->tx_power_loop_info_lock);
200
201 return 0;
202}
203DEFINE_SHOW_ATTRIBUTE(wfx_tx_power_loop);
204
205static ssize_t wfx_send_pds_write(struct file *file,
206 const char __user *user_buf,
207 size_t count, loff_t *ppos)
208{
209 struct wfx_dev *wdev = file->private_data;
210 char *buf;
211 int ret;
212
213 if (*ppos != 0) {
214 dev_dbg(wdev->dev, "PDS data must be written in one transaction");
215 return -EBUSY;
216 }
217 buf = memdup_user(user_buf, count);
218 if (IS_ERR(buf))
219 return PTR_ERR(buf);
220 *ppos = *ppos + count;
221 ret = wfx_send_pds(wdev, buf, count);
222 kfree(buf);
223 if (ret < 0)
224 return ret;
225 return count;
226}
227
228static const struct file_operations wfx_send_pds_fops = {
229 .open = simple_open,
230 .write = wfx_send_pds_write,
231};
232
233struct dbgfs_hif_msg {
234 struct wfx_dev *wdev;
235 struct completion complete;
236 u8 reply[1024];
237 int ret;
238};
239
240static ssize_t wfx_send_hif_msg_write(struct file *file,
241 const char __user *user_buf,
242 size_t count, loff_t *ppos)
243{
244 struct dbgfs_hif_msg *context = file->private_data;
245 struct wfx_dev *wdev = context->wdev;
246 struct hif_msg *request;
247
248 if (completion_done(&context->complete)) {
249 dev_dbg(wdev->dev, "read previous result before start a new one\n");
250 return -EBUSY;
251 }
252 if (count < sizeof(struct hif_msg))
253 return -EINVAL;
254
255
256
257
258 memset(context->reply, 0xFF, sizeof(context->reply));
259 request = memdup_user(user_buf, count);
260 if (IS_ERR(request))
261 return PTR_ERR(request);
262 if (le16_to_cpu(request->len) != count) {
263 kfree(request);
264 return -EINVAL;
265 }
266 context->ret = wfx_cmd_send(wdev, request, context->reply,
267 sizeof(context->reply), false);
268
269 kfree(request);
270 complete(&context->complete);
271 return count;
272}
273
274static ssize_t wfx_send_hif_msg_read(struct file *file, char __user *user_buf,
275 size_t count, loff_t *ppos)
276{
277 struct dbgfs_hif_msg *context = file->private_data;
278 int ret;
279
280 if (count > sizeof(context->reply))
281 return -EINVAL;
282 ret = wait_for_completion_interruptible(&context->complete);
283 if (ret)
284 return ret;
285 if (context->ret < 0)
286 return context->ret;
287
288
289 if (copy_to_user(user_buf, context->reply, count))
290 return -EFAULT;
291
292 return count;
293}
294
295static int wfx_send_hif_msg_open(struct inode *inode, struct file *file)
296{
297 struct dbgfs_hif_msg *context = kzalloc(sizeof(*context), GFP_KERNEL);
298
299 if (!context)
300 return -ENOMEM;
301 context->wdev = inode->i_private;
302 init_completion(&context->complete);
303 file->private_data = context;
304 return 0;
305}
306
307static int wfx_send_hif_msg_release(struct inode *inode, struct file *file)
308{
309 struct dbgfs_hif_msg *context = file->private_data;
310
311 kfree(context);
312 return 0;
313}
314
315static const struct file_operations wfx_send_hif_msg_fops = {
316 .open = wfx_send_hif_msg_open,
317 .release = wfx_send_hif_msg_release,
318 .write = wfx_send_hif_msg_write,
319 .read = wfx_send_hif_msg_read,
320};
321
322static int wfx_ps_timeout_set(void *data, u64 val)
323{
324 struct wfx_dev *wdev = (struct wfx_dev *)data;
325 struct wfx_vif *wvif;
326
327 wdev->force_ps_timeout = val;
328 wvif = NULL;
329 while ((wvif = wvif_iterate(wdev, wvif)) != NULL)
330 wfx_update_pm(wvif);
331 return 0;
332}
333
334static int wfx_ps_timeout_get(void *data, u64 *val)
335{
336 struct wfx_dev *wdev = (struct wfx_dev *)data;
337
338 *val = wdev->force_ps_timeout;
339 return 0;
340}
341
342DEFINE_DEBUGFS_ATTRIBUTE(wfx_ps_timeout_fops, wfx_ps_timeout_get, wfx_ps_timeout_set, "%lld\n");
343
344int wfx_debug_init(struct wfx_dev *wdev)
345{
346 struct dentry *d;
347
348 d = debugfs_create_dir("wfx", wdev->hw->wiphy->debugfsdir);
349 debugfs_create_file("counters", 0444, d, wdev, &wfx_counters_fops);
350 debugfs_create_file("rx_stats", 0444, d, wdev, &wfx_rx_stats_fops);
351 debugfs_create_file("tx_power_loop", 0444, d, wdev,
352 &wfx_tx_power_loop_fops);
353 debugfs_create_file("send_pds", 0200, d, wdev, &wfx_send_pds_fops);
354 debugfs_create_file("send_hif_msg", 0600, d, wdev,
355 &wfx_send_hif_msg_fops);
356 debugfs_create_file("ps_timeout", 0600, d, wdev, &wfx_ps_timeout_fops);
357
358 return 0;
359}
360
