1 // SPDX-License-Identifier: GPL-2.0-only
5 * Copyright (c) 2017-2020, Silicon Laboratories, Inc.
6 * Copyright (c) 2010, ST-Ericsson
11 #include "hif_tx_mib.h"
13 #define CREATE_TRACE_POINTS
16 static const struct trace_print_flags hif_msg_print_map[] = {
20 static const struct trace_print_flags hif_mib_print_map[] = {
24 static const struct trace_print_flags wfx_reg_print_map[] = {
28 static const char *get_symbol(unsigned long val,
29 const struct trace_print_flags *symbol_array)
33 for (i = 0; symbol_array[i].mask != -1; i++) {
34 if (val == symbol_array[i].mask)
35 return symbol_array[i].name;
41 const char *get_hif_name(unsigned long id)
43 return get_symbol(id, hif_msg_print_map);
46 const char *get_mib_name(unsigned long id)
48 return get_symbol(id, hif_mib_print_map);
51 const char *get_reg_name(unsigned long id)
53 return get_symbol(id, wfx_reg_print_map);
56 static int wfx_counters_show(struct seq_file *seq, void *v)
59 struct wfx_dev *wdev = seq->private;
60 struct hif_mib_extended_count_table counters[3];
62 for (i = 0; i < ARRAY_SIZE(counters); i++) {
63 ret = hif_get_counters_table(wdev, i, counters + i);
70 seq_printf(seq, "%-24s %12s %12s %12s\n",
71 "", "global", "iface 0", "iface 1");
73 #define PUT_COUNTER(name) \
74 seq_printf(seq, "%-24s %12d %12d %12d\n", #name, \
75 le32_to_cpu(counters[2].count_##name), \
76 le32_to_cpu(counters[0].count_##name), \
77 le32_to_cpu(counters[1].count_##name))
79 PUT_COUNTER(tx_packets);
80 PUT_COUNTER(tx_multicast_frames);
81 PUT_COUNTER(tx_frames_success);
82 PUT_COUNTER(tx_frame_failures);
83 PUT_COUNTER(tx_frames_retried);
84 PUT_COUNTER(tx_frames_multi_retried);
86 PUT_COUNTER(rts_success);
87 PUT_COUNTER(rts_failures);
88 PUT_COUNTER(ack_failures);
90 PUT_COUNTER(rx_packets);
91 PUT_COUNTER(rx_frames_success);
92 PUT_COUNTER(rx_packet_errors);
93 PUT_COUNTER(plcp_errors);
94 PUT_COUNTER(fcs_errors);
95 PUT_COUNTER(rx_decryption_failures);
96 PUT_COUNTER(rx_mic_failures);
97 PUT_COUNTER(rx_no_key_failures);
98 PUT_COUNTER(rx_frame_duplicates);
99 PUT_COUNTER(rx_multicast_frames);
100 PUT_COUNTER(rx_cmacicv_errors);
101 PUT_COUNTER(rx_cmac_replays);
102 PUT_COUNTER(rx_mgmt_ccmp_replays);
104 PUT_COUNTER(rx_beacon);
105 PUT_COUNTER(miss_beacon);
109 for (i = 0; i < ARRAY_SIZE(counters[0].reserved); i++)
110 seq_printf(seq, "reserved[%02d]%12s %12d %12d %12d\n", i, "",
111 le32_to_cpu(counters[2].reserved[i]),
112 le32_to_cpu(counters[0].reserved[i]),
113 le32_to_cpu(counters[1].reserved[i]));
117 DEFINE_SHOW_ATTRIBUTE(wfx_counters);
119 static const char * const channel_names[] = {
124 /* Entries 4 and 5 does not exist */
143 static int wfx_rx_stats_show(struct seq_file *seq, void *v)
145 struct wfx_dev *wdev = seq->private;
146 struct hif_rx_stats *st = &wdev->rx_stats;
149 mutex_lock(&wdev->rx_stats_lock);
150 seq_printf(seq, "Timestamp: %dus\n", st->date);
151 seq_printf(seq, "Low power clock: frequency %uHz, external %s\n",
152 le32_to_cpu(st->pwr_clk_freq),
153 st->is_ext_pwr_clk ? "yes" : "no");
155 "Num. of frames: %d, PER (x10e4): %d, Throughput: %dKbps/s\n",
156 st->nb_rx_frame, st->per_total, st->throughput);
157 seq_puts(seq, " Num. of PER RSSI SNR CFO\n");
158 seq_puts(seq, " frames (x10e4) (dBm) (dB) (kHz)\n");
159 for (i = 0; i < ARRAY_SIZE(channel_names); i++) {
160 if (channel_names[i])
161 seq_printf(seq, "%5s %8d %8d %8d %8d %8d\n",
163 le32_to_cpu(st->nb_rx_by_rate[i]),
164 le16_to_cpu(st->per[i]),
165 (s16)le16_to_cpu(st->rssi[i]) / 100,
166 (s16)le16_to_cpu(st->snr[i]) / 100,
167 (s16)le16_to_cpu(st->cfo[i]));
169 mutex_unlock(&wdev->rx_stats_lock);
173 DEFINE_SHOW_ATTRIBUTE(wfx_rx_stats);
175 static int wfx_tx_power_loop_show(struct seq_file *seq, void *v)
177 struct wfx_dev *wdev = seq->private;
178 struct hif_tx_power_loop_info *st = &wdev->tx_power_loop_info;
181 mutex_lock(&wdev->tx_power_loop_info_lock);
182 tmp = le16_to_cpu(st->tx_gain_dig);
183 seq_printf(seq, "Tx gain digital: %d\n", tmp);
184 tmp = le16_to_cpu(st->tx_gain_pa);
185 seq_printf(seq, "Tx gain PA: %d\n", tmp);
186 tmp = (s16)le16_to_cpu(st->target_pout);
187 seq_printf(seq, "Target Pout: %d.%02d dBm\n", tmp / 4, (tmp % 4) * 25);
188 tmp = (s16)le16_to_cpu(st->p_estimation);
189 seq_printf(seq, "FEM Pout: %d.%02d dBm\n", tmp / 4, (tmp % 4) * 25);
190 tmp = le16_to_cpu(st->vpdet);
191 seq_printf(seq, "Vpdet: %d mV\n", tmp);
192 seq_printf(seq, "Measure index: %d\n", st->measurement_index);
193 mutex_unlock(&wdev->tx_power_loop_info_lock);
197 DEFINE_SHOW_ATTRIBUTE(wfx_tx_power_loop);
199 static ssize_t wfx_send_pds_write(struct file *file,
200 const char __user *user_buf,
201 size_t count, loff_t *ppos)
203 struct wfx_dev *wdev = file->private_data;
208 dev_dbg(wdev->dev, "PDS data must be written in one transaction");
211 buf = memdup_user(user_buf, count);
214 *ppos = *ppos + count;
215 ret = wfx_send_pds(wdev, buf, count);
222 static const struct file_operations wfx_send_pds_fops = {
224 .write = wfx_send_pds_write,
227 struct dbgfs_hif_msg {
228 struct wfx_dev *wdev;
229 struct completion complete;
234 static ssize_t wfx_send_hif_msg_write(struct file *file,
235 const char __user *user_buf,
236 size_t count, loff_t *ppos)
238 struct dbgfs_hif_msg *context = file->private_data;
239 struct wfx_dev *wdev = context->wdev;
240 struct hif_msg *request;
242 if (completion_done(&context->complete)) {
243 dev_dbg(wdev->dev, "read previous result before start a new one\n");
246 if (count < sizeof(struct hif_msg))
249 // wfx_cmd_send() checks that reply buffer is wide enough, but does not
250 // return precise length read. User have to know how many bytes should
251 // be read. Filling reply buffer with a memory pattern may help user.
252 memset(context->reply, 0xFF, sizeof(context->reply));
253 request = memdup_user(user_buf, count);
255 return PTR_ERR(request);
256 if (le16_to_cpu(request->len) != count) {
260 context->ret = wfx_cmd_send(wdev, request, context->reply,
261 sizeof(context->reply), false);
264 complete(&context->complete);
268 static ssize_t wfx_send_hif_msg_read(struct file *file, char __user *user_buf,
269 size_t count, loff_t *ppos)
271 struct dbgfs_hif_msg *context = file->private_data;
274 if (count > sizeof(context->reply))
276 ret = wait_for_completion_interruptible(&context->complete);
279 if (context->ret < 0)
281 // Be careful, write() is waiting for a full message while read()
282 // only returns a payload
283 if (copy_to_user(user_buf, context->reply, count))
289 static int wfx_send_hif_msg_open(struct inode *inode, struct file *file)
291 struct dbgfs_hif_msg *context = kzalloc(sizeof(*context), GFP_KERNEL);
295 context->wdev = inode->i_private;
296 init_completion(&context->complete);
297 file->private_data = context;
301 static int wfx_send_hif_msg_release(struct inode *inode, struct file *file)
303 struct dbgfs_hif_msg *context = file->private_data;
309 static const struct file_operations wfx_send_hif_msg_fops = {
310 .open = wfx_send_hif_msg_open,
311 .release = wfx_send_hif_msg_release,
312 .write = wfx_send_hif_msg_write,
313 .read = wfx_send_hif_msg_read,
316 static int wfx_ps_timeout_set(void *data, u64 val)
318 struct wfx_dev *wdev = (struct wfx_dev *)data;
319 struct wfx_vif *wvif;
321 wdev->force_ps_timeout = val;
323 while ((wvif = wvif_iterate(wdev, wvif)) != NULL)
328 static int wfx_ps_timeout_get(void *data, u64 *val)
330 struct wfx_dev *wdev = (struct wfx_dev *)data;
332 *val = wdev->force_ps_timeout;
336 DEFINE_DEBUGFS_ATTRIBUTE(wfx_ps_timeout_fops, wfx_ps_timeout_get, wfx_ps_timeout_set, "%lld\n");
338 int wfx_debug_init(struct wfx_dev *wdev)
342 d = debugfs_create_dir("wfx", wdev->hw->wiphy->debugfsdir);
343 debugfs_create_file("counters", 0444, d, wdev, &wfx_counters_fops);
344 debugfs_create_file("rx_stats", 0444, d, wdev, &wfx_rx_stats_fops);
345 debugfs_create_file("tx_power_loop", 0444, d, wdev,
346 &wfx_tx_power_loop_fops);
347 debugfs_create_file("send_pds", 0200, d, wdev, &wfx_send_pds_fops);
348 debugfs_create_file("send_hif_msg", 0600, d, wdev,
349 &wfx_send_hif_msg_fops);
350 debugfs_create_file("ps_timeout", 0600, d, wdev, &wfx_ps_timeout_fops);