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wil6210: add advanced interrupt moderation
[deliverable/linux.git] / drivers / net / wireless / ath / wil6210 / debugfs.c
CommitLineData
2be7d22f 1/*
02525a79 2 * Copyright (c) 2012-2014 Qualcomm Atheros, Inc.
2be7d22f
VK		 3 *
4 * Permission to use, copy, modify, and/or distribute this software for any
5 * purpose with or without fee is hereby granted, provided that the above
6 * copyright notice and this permission notice appear in all copies.
7 *
8 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
9 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
10 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
11 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
12 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
13 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
14 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
15 */
16
17#include <linux/module.h>
18#include <linux/debugfs.h>
19#include <linux/seq_file.h>
20#include <linux/pci.h>
21#include <linux/rtnetlink.h>
84bb29b7 22#include <linux/power_supply.h>
2be7d22f
VK		 23
24#include "wil6210.h"
36345ac3 25#include "wmi.h"
2be7d22f
VK		 26#include "txrx.h"
27
28/* Nasty hack. Better have per device instances */
29static u32 mem_addr;
30static u32 dbg_txdesc_index;
af31cb5a 31static u32 dbg_vring_index; /* 24+ for Rx, 0..23 for Tx */
2be7d22f 32
b7cde470
VK		 33enum dbg_off_type {
34 doff_u32 = 0,
35 doff_x32 = 1,
36 doff_ulong = 2,
37 doff_io32 = 3,
38};
39
40/* offset to "wil" */
41struct dbg_off {
42 const char *name;
43 umode_t mode;
44 ulong off;
45 enum dbg_off_type type;
46};
47
2be7d22f 48static void wil_print_vring(struct seq_file *s, struct wil6210_priv *wil,
59f7c0a9
VK		 49 const char *name, struct vring *vring,
50 char _s, char _h)
2be7d22f
VK		 51{
52 void __iomem *x = wmi_addr(wil, vring->hwtail);
995cdd0e 53 u32 v;
2be7d22f
VK		 54
55 seq_printf(s, "VRING %s = {\n", name);
39c52ee8 56 seq_printf(s, " pa = %pad\n", &vring->pa);
2be7d22f
VK		 57 seq_printf(s, " va = 0x%p\n", vring->va);
58 seq_printf(s, " size = %d\n", vring->size);
59 seq_printf(s, " swtail = %d\n", vring->swtail);
60 seq_printf(s, " swhead = %d\n", vring->swhead);
61 seq_printf(s, " hwtail = [0x%08x] -> ", vring->hwtail);
995cdd0e
VK		 62 if (x) {
63 v = ioread32(x);
64 seq_printf(s, "0x%08x = %d\n", v, v);
65 } else {
8fe59627 66 seq_puts(s, "???\n");
995cdd0e 67 }
2be7d22f
VK		 68
69 if (vring->va && (vring->size < 1025)) {
70 uint i;
8fe59627 71
2be7d22f
VK		 72 for (i = 0; i < vring->size; i++) {
73 volatile struct vring_tx_desc *d = &vring->va[i].tx;
8fe59627 74
2be7d22f 75 if ((i % 64) == 0 && (i != 0))
8fe59627 76 seq_puts(s, "\n");
59f7c0a9
VK		 77 seq_printf(s, "%c", (d->dma.status & BIT(0)) ?
78 _s : (vring->ctx[i].skb ? _h : 'h'));
2be7d22f 79 }
8fe59627 80 seq_puts(s, "\n");
2be7d22f 81 }
8fe59627 82 seq_puts(s, "}\n");
2be7d22f
VK		 83}
84
85static int wil_vring_debugfs_show(struct seq_file *s, void *data)
86{
87 uint i;
88 struct wil6210_priv *wil = s->private;
89
59f7c0a9 90 wil_print_vring(s, wil, "rx", &wil->vring_rx, 'S', '_');
2be7d22f
VK		 91
92 for (i = 0; i < ARRAY_SIZE(wil->vring_tx); i++) {
8fe59627 93 struct vring *vring = &wil->vring_tx[i];
7c0acf86
VK		 94 struct vring_tx_data *txdata = &wil->vring_tx_data[i];
95
2be7d22f 96 if (vring->va) {
3df2cd36
VK		 97 int cid = wil->vring2cid_tid[i][0];
98 int tid = wil->vring2cid_tid[i][1];
67c3e1b4
VK		 99 u32 swhead = vring->swhead;
100 u32 swtail = vring->swtail;
101 int used = (vring->size + swhead - swtail)
102 % vring->size;
103 int avail = vring->size - used - 1;
2be7d22f 104 char name[10];
7c0acf86
VK		 105 /* performance monitoring */
106 cycles_t now = get_cycles();
c20e7789
CG		 107 uint64_t idle = txdata->idle * 100;
108 uint64_t total = now - txdata->begin;
7c0acf86 109
e48b1790 110 do_div(idle, total);
7c0acf86
VK		 111 txdata->begin = now;
112 txdata->idle = 0ULL;
113
2be7d22f 114 snprintf(name, sizeof(name), "tx_%2d", i);
3df2cd36 115
3277213f 116 seq_printf(s,
cbcf5866 117 "\n%pM CID %d TID %d BACK([%d] %d TU A%s) [%3d|%3d] idle %3d%%\n",
3277213f
VK		 118 wil->sta[cid].addr, cid, tid,
119 txdata->agg_wsize, txdata->agg_timeout,
cbcf5866 120 txdata->agg_amsdu ? "+" : "-",
3277213f 121 used, avail, (int)idle);
7c0acf86 122
59f7c0a9 123 wil_print_vring(s, wil, name, vring, '_', 'H');
2be7d22f
VK		 124 }
125 }
126
127 return 0;
128}
129
130static int wil_vring_seq_open(struct inode *inode, struct file *file)
131{
132 return single_open(file, wil_vring_debugfs_show, inode->i_private);
133}
134
135static const struct file_operations fops_vring = {
136 .open = wil_vring_seq_open,
137 .release = single_release,
138 .read = seq_read,
139 .llseek = seq_lseek,
140};
141
142static void wil_print_ring(struct seq_file *s, const char *prefix,
143 void __iomem *off)
144{
145 struct wil6210_priv *wil = s->private;
146 struct wil6210_mbox_ring r;
147 int rsize;
148 uint i;
149
150 wil_memcpy_fromio_32(&r, off, sizeof(r));
151 wil_mbox_ring_le2cpus(&r);
152 /*
153 * we just read memory block from NIC. This memory may be
154 * garbage. Check validity before using it.
155 */
156 rsize = r.size / sizeof(struct wil6210_mbox_ring_desc);
157
158 seq_printf(s, "ring %s = {\n", prefix);
159 seq_printf(s, " base = 0x%08x\n", r.base);
160 seq_printf(s, " size = 0x%04x bytes -> %d entries\n", r.size, rsize);
161 seq_printf(s, " tail = 0x%08x\n", r.tail);
162 seq_printf(s, " head = 0x%08x\n", r.head);
163 seq_printf(s, " entry size = %d\n", r.entry_size);
164
165 if (r.size % sizeof(struct wil6210_mbox_ring_desc)) {
166 seq_printf(s, " ??? size is not multiple of %zd, garbage?\n",
167 sizeof(struct wil6210_mbox_ring_desc));
168 goto out;
169 }
170
171 if (!wmi_addr(wil, r.base) ||
172 !wmi_addr(wil, r.tail) ||
173 !wmi_addr(wil, r.head)) {
8fe59627 174 seq_puts(s, " ??? pointers are garbage?\n");
2be7d22f
VK		 175 goto out;
176 }
177
178 for (i = 0; i < rsize; i++) {
179 struct wil6210_mbox_ring_desc d;
180 struct wil6210_mbox_hdr hdr;
181 size_t delta = i * sizeof(d);
182 void __iomem *x = wil->csr + HOSTADDR(r.base) + delta;
183
184 wil_memcpy_fromio_32(&d, x, sizeof(d));
185
186 seq_printf(s, " [%2x] %s %s%s 0x%08x", i,
187 d.sync ? "F" : "E",
188 (r.tail - r.base == delta) ? "t" : " ",
189 (r.head - r.base == delta) ? "h" : " ",
190 le32_to_cpu(d.addr));
191 if (0 == wmi_read_hdr(wil, d.addr, &hdr)) {
192 u16 len = le16_to_cpu(hdr.len);
8fe59627 193
2be7d22f
VK		 194 seq_printf(s, " -> %04x %04x %04x %02x\n",
195 le16_to_cpu(hdr.seq), len,
196 le16_to_cpu(hdr.type), hdr.flags);
197 if (len <= MAX_MBOXITEM_SIZE) {
198 int n = 0;
5d21608a 199 char printbuf[16 * 3 + 2];
2be7d22f
VK		 200 unsigned char databuf[MAX_MBOXITEM_SIZE];
201 void __iomem *src = wmi_buffer(wil, d.addr) +
202 sizeof(struct wil6210_mbox_hdr);
203 /*
204 * No need to check @src for validity -
205 * we already validated @d.addr while
206 * reading header
207 */
208 wil_memcpy_fromio_32(databuf, src, len);
209 while (n < len) {
210 int l = min(len - n, 16);
8fe59627 211
2be7d22f
VK		 212 hex_dump_to_buffer(databuf + n, l,
213 16, 1, printbuf,
214 sizeof(printbuf),
215 false);
216 seq_printf(s, " : %s\n", printbuf);
217 n += l;
218 }
219 }
220 } else {
8fe59627 221 seq_puts(s, "\n");
2be7d22f
VK		 222 }
223 }
224 out:
8fe59627 225 seq_puts(s, "}\n");
2be7d22f
VK		 226}
227
228static int wil_mbox_debugfs_show(struct seq_file *s, void *data)
229{
230 struct wil6210_priv *wil = s->private;
231
232 wil_print_ring(s, "tx", wil->csr + HOST_MBOX +
233 offsetof(struct wil6210_mbox_ctl, tx));
234 wil_print_ring(s, "rx", wil->csr + HOST_MBOX +
235 offsetof(struct wil6210_mbox_ctl, rx));
236
237 return 0;
238}
239
240static int wil_mbox_seq_open(struct inode *inode, struct file *file)
241{
242 return single_open(file, wil_mbox_debugfs_show, inode->i_private);
243}
244
245static const struct file_operations fops_mbox = {
246 .open = wil_mbox_seq_open,
247 .release = single_release,
248 .read = seq_read,
249 .llseek = seq_lseek,
250};
251
252static int wil_debugfs_iomem_x32_set(void *data, u64 val)
253{
254 iowrite32(val, (void __iomem *)data);
255 wmb(); /* make sure write propagated to HW */
256
257 return 0;
258}
259
260static int wil_debugfs_iomem_x32_get(void *data, u64 *val)
261{
262 *val = ioread32((void __iomem *)data);
263
264 return 0;
265}
266
267DEFINE_SIMPLE_ATTRIBUTE(fops_iomem_x32, wil_debugfs_iomem_x32_get,
268 wil_debugfs_iomem_x32_set, "0x%08llx\n");
269
270static struct dentry *wil_debugfs_create_iomem_x32(const char *name,
0ecc833b 271 umode_t mode,
2be7d22f 272 struct dentry *parent,
b7cde470 273 void *value)
2be7d22f 274{
b7cde470 275 return debugfs_create_file(name, mode, parent, value,
2be7d22f
VK		 276 &fops_iomem_x32);
277}
278
3de6cf20
VK		 279static int wil_debugfs_ulong_set(void *data, u64 val)
280{
281 *(ulong *)data = val;
282 return 0;
283}
8fe59627 284
3de6cf20
VK		 285static int wil_debugfs_ulong_get(void *data, u64 *val)
286{
287 *val = *(ulong *)data;
288 return 0;
289}
8fe59627 290
3de6cf20
VK		 291DEFINE_SIMPLE_ATTRIBUTE(wil_fops_ulong, wil_debugfs_ulong_get,
292 wil_debugfs_ulong_set, "%llu\n");
293
294static struct dentry *wil_debugfs_create_ulong(const char *name, umode_t mode,
295 struct dentry *parent,
296 ulong *value)
297{
298 return debugfs_create_file(name, mode, parent, value, &wil_fops_ulong);
299}
300
b7cde470
VK		 301/**
302 * wil6210_debugfs_init_offset - create set of debugfs files
303 * @wil - driver's context, used for printing
304 * @dbg - directory on the debugfs, where files will be created
305 * @base - base address used in address calculation
306 * @tbl - table with file descriptions. Should be terminated with empty element.
307 *
308 * Creates files accordingly to the @tbl.
309 */
310static void wil6210_debugfs_init_offset(struct wil6210_priv *wil,
311 struct dentry *dbg, void *base,
312 const struct dbg_off * const tbl)
313{
314 int i;
315
316 for (i = 0; tbl[i].name; i++) {
867fa0d4 317 struct dentry *f;
b7cde470
VK		 318
319 switch (tbl[i].type) {
320 case doff_u32:
321 f = debugfs_create_u32(tbl[i].name, tbl[i].mode, dbg,
322 base + tbl[i].off);
323 break;
324 case doff_x32:
325 f = debugfs_create_x32(tbl[i].name, tbl[i].mode, dbg,
326 base + tbl[i].off);
327 break;
328 case doff_ulong:
329 f = wil_debugfs_create_ulong(tbl[i].name, tbl[i].mode,
330 dbg, base + tbl[i].off);
331 break;
332 case doff_io32:
333 f = wil_debugfs_create_iomem_x32(tbl[i].name,
334 tbl[i].mode, dbg,
335 base + tbl[i].off);
336 break;
867fa0d4
VK		 337 default:
338 f = ERR_PTR(-EINVAL);
b7cde470
VK		 339 }
340 if (IS_ERR_OR_NULL(f))
341 wil_err(wil, "Create file \"%s\": err %ld\n",
342 tbl[i].name, PTR_ERR(f));
343 }
344}
345
346static const struct dbg_off isr_off[] = {
347 {"ICC", S_IRUGO | S_IWUSR, offsetof(struct RGF_ICR, ICC), doff_io32},
348 {"ICR", S_IRUGO | S_IWUSR, offsetof(struct RGF_ICR, ICR), doff_io32},
349 {"ICM", S_IRUGO | S_IWUSR, offsetof(struct RGF_ICR, ICM), doff_io32},
350 {"ICS", S_IWUSR, offsetof(struct RGF_ICR, ICS), doff_io32},
351 {"IMV", S_IRUGO | S_IWUSR, offsetof(struct RGF_ICR, IMV), doff_io32},
352 {"IMS", S_IWUSR, offsetof(struct RGF_ICR, IMS), doff_io32},
353 {"IMC", S_IWUSR, offsetof(struct RGF_ICR, IMC), doff_io32},
354 {},
355};
8fe59627 356
2be7d22f
VK		 357static int wil6210_debugfs_create_ISR(struct wil6210_priv *wil,
358 const char *name,
359 struct dentry *parent, u32 off)
360{
361 struct dentry *d = debugfs_create_dir(name, parent);
362
363 if (IS_ERR_OR_NULL(d))
364 return -ENODEV;
365
b7cde470
VK		 366 wil6210_debugfs_init_offset(wil, d, (void * __force)wil->csr + off,
367 isr_off);
2be7d22f
VK		 368
369 return 0;
370}
371
b7cde470
VK		 372static const struct dbg_off pseudo_isr_off[] = {
373 {"CAUSE", S_IRUGO, HOSTADDR(RGF_DMA_PSEUDO_CAUSE), doff_io32},
374 {"MASK_SW", S_IRUGO, HOSTADDR(RGF_DMA_PSEUDO_CAUSE_MASK_SW), doff_io32},
375 {"MASK_FW", S_IRUGO, HOSTADDR(RGF_DMA_PSEUDO_CAUSE_MASK_FW), doff_io32},
376 {},
377};
378
2be7d22f
VK		 379static int wil6210_debugfs_create_pseudo_ISR(struct wil6210_priv *wil,
380 struct dentry *parent)
381{
382 struct dentry *d = debugfs_create_dir("PSEUDO_ISR", parent);
383
384 if (IS_ERR_OR_NULL(d))
385 return -ENODEV;
386
b7cde470
VK		 387 wil6210_debugfs_init_offset(wil, d, (void * __force)wil->csr,
388 pseudo_isr_off);
2be7d22f
VK		 389
390 return 0;
391}
392
78366f69 393static const struct dbg_off lgc_itr_cnt_off[] = {
b7cde470
VK		 394 {"TRSH", S_IRUGO | S_IWUSR, HOSTADDR(RGF_DMA_ITR_CNT_TRSH), doff_io32},
395 {"DATA", S_IRUGO | S_IWUSR, HOSTADDR(RGF_DMA_ITR_CNT_DATA), doff_io32},
396 {"CTL", S_IRUGO | S_IWUSR, HOSTADDR(RGF_DMA_ITR_CNT_CRL), doff_io32},
397 {},
398};
399
78366f69
VK		 400static const struct dbg_off tx_itr_cnt_off[] = {
401 {"TRSH", S_IRUGO | S_IWUSR, HOSTADDR(RGF_DMA_ITR_TX_CNT_TRSH),
402 doff_io32},
403 {"DATA", S_IRUGO | S_IWUSR, HOSTADDR(RGF_DMA_ITR_TX_CNT_DATA),
404 doff_io32},
405 {"CTL", S_IRUGO | S_IWUSR, HOSTADDR(RGF_DMA_ITR_TX_CNT_CTL),
406 doff_io32},
407 {"IDL_TRSH", S_IRUGO | S_IWUSR, HOSTADDR(RGF_DMA_ITR_TX_IDL_CNT_TRSH),
408 doff_io32},
409 {"IDL_DATA", S_IRUGO | S_IWUSR, HOSTADDR(RGF_DMA_ITR_TX_IDL_CNT_DATA),
410 doff_io32},
411 {"IDL_CTL", S_IRUGO | S_IWUSR, HOSTADDR(RGF_DMA_ITR_TX_IDL_CNT_CTL),
412 doff_io32},
413 {},
414};
415
416static const struct dbg_off rx_itr_cnt_off[] = {
417 {"TRSH", S_IRUGO | S_IWUSR, HOSTADDR(RGF_DMA_ITR_RX_CNT_TRSH),
418 doff_io32},
419 {"DATA", S_IRUGO | S_IWUSR, HOSTADDR(RGF_DMA_ITR_RX_CNT_DATA),
420 doff_io32},
421 {"CTL", S_IRUGO | S_IWUSR, HOSTADDR(RGF_DMA_ITR_RX_CNT_CTL),
422 doff_io32},
423 {"IDL_TRSH", S_IRUGO | S_IWUSR, HOSTADDR(RGF_DMA_ITR_RX_IDL_CNT_TRSH),
424 doff_io32},
425 {"IDL_DATA", S_IRUGO | S_IWUSR, HOSTADDR(RGF_DMA_ITR_RX_IDL_CNT_DATA),
426 doff_io32},
427 {"IDL_CTL", S_IRUGO | S_IWUSR, HOSTADDR(RGF_DMA_ITR_RX_IDL_CNT_CTL),
428 doff_io32},
429 {},
430};
431
2be7d22f
VK		 432static int wil6210_debugfs_create_ITR_CNT(struct wil6210_priv *wil,
433 struct dentry *parent)
434{
78366f69 435 struct dentry *d, *dtx, *drx;
2be7d22f 436
78366f69 437 d = debugfs_create_dir("ITR_CNT", parent);
2be7d22f
VK		 438 if (IS_ERR_OR_NULL(d))
439 return -ENODEV;
440
78366f69
VK		 441 dtx = debugfs_create_dir("TX", d);
442 drx = debugfs_create_dir("RX", d);
443 if (IS_ERR_OR_NULL(dtx) || IS_ERR_OR_NULL(drx))
444 return -ENODEV;
445
b7cde470 446 wil6210_debugfs_init_offset(wil, d, (void * __force)wil->csr,
78366f69
VK		 447 lgc_itr_cnt_off);
448
449 wil6210_debugfs_init_offset(wil, dtx, (void * __force)wil->csr,
450 tx_itr_cnt_off);
2be7d22f 451
78366f69
VK		 452 wil6210_debugfs_init_offset(wil, drx, (void * __force)wil->csr,
453 rx_itr_cnt_off);
2be7d22f
VK		 454 return 0;
455}
456
457static int wil_memread_debugfs_show(struct seq_file *s, void *data)
458{
459 struct wil6210_priv *wil = s->private;
460 void __iomem *a = wmi_buffer(wil, cpu_to_le32(mem_addr));
461
462 if (a)
463 seq_printf(s, "[0x%08x] = 0x%08x\n", mem_addr, ioread32(a));
464 else
465 seq_printf(s, "[0x%08x] = INVALID\n", mem_addr);
466
467 return 0;
468}
469
470static int wil_memread_seq_open(struct inode *inode, struct file *file)
471{
472 return single_open(file, wil_memread_debugfs_show, inode->i_private);
473}
474
475static const struct file_operations fops_memread = {
476 .open = wil_memread_seq_open,
477 .release = single_release,
478 .read = seq_read,
479 .llseek = seq_lseek,
480};
481
2be7d22f 482static ssize_t wil_read_file_ioblob(struct file *file, char __user *user_buf,
8fe59627 483 size_t count, loff_t *ppos)
2be7d22f
VK		 484{
485 enum { max_count = 4096 };
486 struct debugfs_blob_wrapper *blob = file->private_data;
487 loff_t pos = *ppos;
488 size_t available = blob->size;
489 void *buf;
490 size_t ret;
491
492 if (pos < 0)
493 return -EINVAL;
494
495 if (pos >= available || !count)
496 return 0;
497
498 if (count > available - pos)
499 count = available - pos;
500 if (count > max_count)
501 count = max_count;
502
503 buf = kmalloc(count, GFP_KERNEL);
504 if (!buf)
505 return -ENOMEM;
506
507 wil_memcpy_fromio_32(buf, (const volatile void __iomem *)blob->data +
508 pos, count);
509
510 ret = copy_to_user(user_buf, buf, count);
511 kfree(buf);
512 if (ret == count)
513 return -EFAULT;
514
515 count -= ret;
516 *ppos = pos + count;
517
518 return count;
519}
520
521static const struct file_operations fops_ioblob = {
522 .read = wil_read_file_ioblob,
93ecbd64 523 .open = simple_open,
2be7d22f
VK		 524 .llseek = default_llseek,
525};
526
527static
528struct dentry *wil_debugfs_create_ioblob(const char *name,
0ecc833b 529 umode_t mode,
2be7d22f
VK		 530 struct dentry *parent,
531 struct debugfs_blob_wrapper *blob)
532{
533 return debugfs_create_file(name, mode, parent, blob, &fops_ioblob);
534}
8fe59627 535
2be7d22f
VK		 536/*---reset---*/
537static ssize_t wil_write_file_reset(struct file *file, const char __user *buf,
538 size_t len, loff_t *ppos)
539{
540 struct wil6210_priv *wil = file->private_data;
541 struct net_device *ndev = wil_to_ndev(wil);
542
543 /**
544 * BUG:
545 * this code does NOT sync device state with the rest of system
546 * use with care, debug only!!!
547 */
548 rtnl_lock();
549 dev_close(ndev);
550 ndev->flags &= ~IFF_UP;
551 rtnl_unlock();
552 wil_reset(wil);
553
554 return len;
555}
556
557static const struct file_operations fops_reset = {
558 .write = wil_write_file_reset,
93ecbd64 559 .open = simple_open,
2be7d22f 560};
8fe59627 561
0b39aaf2
VK		 562/*---write channel 1..4 to rxon for it, 0 to rxoff---*/
563static ssize_t wil_write_file_rxon(struct file *file, const char __user *buf,
564 size_t len, loff_t *ppos)
565{
566 struct wil6210_priv *wil = file->private_data;
567 int rc;
568 long channel;
569 bool on;
570
571 char *kbuf = kmalloc(len + 1, GFP_KERNEL);
8fe59627 572
0b39aaf2
VK		 573 if (!kbuf)
574 return -ENOMEM;
359ee627
VK		 575 if (copy_from_user(kbuf, buf, len)) {
576 kfree(kbuf);
0b39aaf2 577 return -EIO;
359ee627 578 }
0b39aaf2
VK		 579
580 kbuf[len] = '\0';
581 rc = kstrtol(kbuf, 0, &channel);
582 kfree(kbuf);
583 if (rc)
584 return rc;
585
586 if ((channel < 0) || (channel > 4)) {
587 wil_err(wil, "Invalid channel %ld\n", channel);
588 return -EINVAL;
589 }
590 on = !!channel;
591
592 if (on) {
593 rc = wmi_set_channel(wil, (int)channel);
594 if (rc)
595 return rc;
596 }
597
598 rc = wmi_rxon(wil, on);
599 if (rc)
600 return rc;
601
602 return len;
603}
604
605static const struct file_operations fops_rxon = {
606 .write = wil_write_file_rxon,
607 .open = simple_open,
608};
8fe59627 609
49cb5dfb
VK		 610/* block ack control, write:
611 * - "add <ringid> <agg_size> <timeout>" to trigger ADDBA
612 * - "del_tx <ringid> <reason>" to trigger DELBA for Tx side
613 * - "del_rx <CID> <TID> <reason>" to trigger DELBA for Rx side
3277213f 614 */
49cb5dfb
VK		 615static ssize_t wil_write_back(struct file *file, const char __user *buf,
616 size_t len, loff_t *ppos)
3277213f
VK		 617{
618 struct wil6210_priv *wil = file->private_data;
619 int rc;
3277213f 620 char *kbuf = kmalloc(len + 1, GFP_KERNEL);
49cb5dfb
VK		 621 char cmd[8];
622 int p1, p2, p3;
3277213f
VK		 623
624 if (!kbuf)
625 return -ENOMEM;
626
627 rc = simple_write_to_buffer(kbuf, len, ppos, buf, len);
628 if (rc != len) {
629 kfree(kbuf);
630 return rc >= 0 ? -EIO : rc;
631 }
632
633 kbuf[len] = '\0';
49cb5dfb 634 rc = sscanf(kbuf, "%8s %d %d %d", cmd, &p1, &p2, &p3);
3277213f
VK		 635 kfree(kbuf);
636
49cb5dfb 637 if (rc < 0)
3277213f 638 return rc;
49cb5dfb 639 if (rc < 2)
3277213f
VK		 640 return -EINVAL;
641
49cb5dfb
VK		 642 if (0 == strcmp(cmd, "add")) {
643 if (rc < 3) {
644 wil_err(wil, "BACK: add require at least 2 params\n");
645 return -EINVAL;
646 }
647 if (rc < 4)
648 p3 = 0;
649 wmi_addba(wil, p1, p2, p3);
650 } else if (0 == strcmp(cmd, "del_tx")) {
651 if (rc < 3)
652 p2 = WLAN_REASON_QSTA_LEAVE_QBSS;
653 wmi_delba_tx(wil, p1, p2);
654 } else if (0 == strcmp(cmd, "del_rx")) {
655 if (rc < 3) {
656 wil_err(wil,
657 "BACK: del_rx require at least 2 params\n");
658 return -EINVAL;
659 }
660 if (rc < 4)
661 p3 = WLAN_REASON_QSTA_LEAVE_QBSS;
662 wmi_delba_rx(wil, mk_cidxtid(p1, p2), p3);
663 } else {
664 wil_err(wil, "BACK: Unrecognized command \"%s\"\n", cmd);
665 return -EINVAL;
666 }
3277213f
VK		 667
668 return len;
669}
670
49cb5dfb
VK		 671static ssize_t wil_read_back(struct file *file, char __user *user_buf,
672 size_t count, loff_t *ppos)
673{
674 static const char text[] = "block ack control, write:\n"
675 " - \"add <ringid> <agg_size> <timeout>\" to trigger ADDBA\n"
676 "If missing, <timeout> defaults to 0\n"
677 " - \"del_tx <ringid> <reason>\" to trigger DELBA for Tx side\n"
678 " - \"del_rx <CID> <TID> <reason>\" to trigger DELBA for Rx side\n"
679 "If missing, <reason> set to \"STA_LEAVING\" (36)\n";
680
681 return simple_read_from_buffer(user_buf, count, ppos, text,
682 sizeof(text));
683}
684
685static const struct file_operations fops_back = {
686 .read = wil_read_back,
687 .write = wil_write_back,
3277213f
VK		 688 .open = simple_open,
689};
690
0b39aaf2
VK		 691/*---tx_mgmt---*/
692/* Write mgmt frame to this file to send it */
693static ssize_t wil_write_file_txmgmt(struct file *file, const char __user *buf,
694 size_t len, loff_t *ppos)
695{
696 struct wil6210_priv *wil = file->private_data;
697 struct wiphy *wiphy = wil_to_wiphy(wil);
698 struct wireless_dev *wdev = wil_to_wdev(wil);
699 struct cfg80211_mgmt_tx_params params;
700 int rc;
0b39aaf2 701 void *frame = kmalloc(len, GFP_KERNEL);
8fe59627 702
0b39aaf2
VK		 703 if (!frame)
704 return -ENOMEM;
705
8e09b7d2
LS		 706 if (copy_from_user(frame, buf, len)) {
707 kfree(frame);
0b39aaf2 708 return -EIO;
8e09b7d2 709 }
0b39aaf2
VK		 710
711 params.buf = frame;
712 params.len = len;
713 params.chan = wdev->preset_chandef.chan;
714
715 rc = wil_cfg80211_mgmt_tx(wiphy, wdev, &params, NULL);
716
717 kfree(frame);
718 wil_info(wil, "%s() -> %d\n", __func__, rc);
719
720 return len;
721}
722
723static const struct file_operations fops_txmgmt = {
724 .write = wil_write_file_txmgmt,
725 .open = simple_open,
726};
2be7d22f 727
ff974e40
VK		 728/* Write WMI command (w/o mbox header) to this file to send it
729 * WMI starts from wil6210_mbox_hdr_wmi header
730 */
731static ssize_t wil_write_file_wmi(struct file *file, const char __user *buf,
732 size_t len, loff_t *ppos)
733{
734 struct wil6210_priv *wil = file->private_data;
735 struct wil6210_mbox_hdr_wmi *wmi;
736 void *cmd;
737 int cmdlen = len - sizeof(struct wil6210_mbox_hdr_wmi);
738 u16 cmdid;
739 int rc, rc1;
740
741 if (cmdlen <= 0)
742 return -EINVAL;
743
744 wmi = kmalloc(len, GFP_KERNEL);
745 if (!wmi)
746 return -ENOMEM;
747
748 rc = simple_write_to_buffer(wmi, len, ppos, buf, len);
8e09b7d2
LS		 749 if (rc < 0) {
750 kfree(wmi);
ff974e40 751 return rc;
8e09b7d2 752 }
ff974e40
VK		 753
754 cmd = &wmi[1];
755 cmdid = le16_to_cpu(wmi->id);
756
757 rc1 = wmi_send(wil, cmdid, cmd, cmdlen);
758 kfree(wmi);
759
760 wil_info(wil, "%s(0x%04x[%d]) -> %d\n", __func__, cmdid, cmdlen, rc1);
761
762 return rc;
763}
764
765static const struct file_operations fops_wmi = {
766 .write = wil_write_file_wmi,
767 .open = simple_open,
768};
769
c236658f
VK		 770static void wil_seq_hexdump(struct seq_file *s, void *p, int len,
771 const char *prefix)
772{
773 char printbuf[16 * 3 + 2];
774 int i = 0;
8fe59627 775
c236658f
VK		 776 while (i < len) {
777 int l = min(len - i, 16);
8fe59627 778
c236658f
VK		 779 hex_dump_to_buffer(p + i, l, 16, 1, printbuf,
780 sizeof(printbuf), false);
781 seq_printf(s, "%s%s\n", prefix, printbuf);
782 i += l;
783 }
784}
785
786static void wil_seq_print_skb(struct seq_file *s, struct sk_buff *skb)
787{
788 int i = 0;
789 int len = skb_headlen(skb);
790 void *p = skb->data;
791 int nr_frags = skb_shinfo(skb)->nr_frags;
792
793 seq_printf(s, " len = %d\n", len);
794 wil_seq_hexdump(s, p, len, " : ");
795
796 if (nr_frags) {
797 seq_printf(s, " nr_frags = %d\n", nr_frags);
798 for (i = 0; i < nr_frags; i++) {
799 const struct skb_frag_struct *frag =
800 &skb_shinfo(skb)->frags[i];
801
802 len = skb_frag_size(frag);
803 p = skb_frag_address_safe(frag);
804 seq_printf(s, " [%2d] : len = %d\n", i, len);
805 wil_seq_hexdump(s, p, len, " : ");
806 }
807 }
808}
809
3a85543e 810/*---------Tx/Rx descriptor------------*/
2be7d22f
VK		 811static int wil_txdesc_debugfs_show(struct seq_file *s, void *data)
812{
813 struct wil6210_priv *wil = s->private;
3a85543e 814 struct vring *vring;
af31cb5a 815 bool tx = (dbg_vring_index < WIL6210_MAX_TX_RINGS);
8fe59627
VK		 816
817 vring = tx ? &wil->vring_tx[dbg_vring_index] : &wil->vring_rx;
2be7d22f
VK		 818
819 if (!vring->va) {
af31cb5a 820 if (tx)
3a85543e
VK		 821 seq_printf(s, "No Tx[%2d] VRING\n", dbg_vring_index);
822 else
823 seq_puts(s, "No Rx VRING\n");
2be7d22f
VK		 824 return 0;
825 }
826
827 if (dbg_txdesc_index < vring->size) {
3a85543e
VK		 828 /* use struct vring_tx_desc for Rx as well,
829 * only field used, .dma.length, is the same
830 */
2be7d22f 831 volatile struct vring_tx_desc *d =
8fe59627 832 &vring->va[dbg_txdesc_index].tx;
2be7d22f 833 volatile u32 *u = (volatile u32 *)d;
f88f113a 834 struct sk_buff *skb = vring->ctx[dbg_txdesc_index].skb;
2be7d22f 835
af31cb5a 836 if (tx)
3a85543e
VK		 837 seq_printf(s, "Tx[%2d][%3d] = {\n", dbg_vring_index,
838 dbg_txdesc_index);
839 else
840 seq_printf(s, "Rx[%3d] = {\n", dbg_txdesc_index);
2be7d22f
VK		 841 seq_printf(s, " MAC = 0x%08x 0x%08x 0x%08x 0x%08x\n",
842 u[0], u[1], u[2], u[3]);
843 seq_printf(s, " DMA = 0x%08x 0x%08x 0x%08x 0x%08x\n",
844 u[4], u[5], u[6], u[7]);
39c52ee8 845 seq_printf(s, " SKB = 0x%p\n", skb);
2be7d22f
VK		 846
847 if (skb) {
c236658f
VK		 848 skb_get(skb);
849 wil_seq_print_skb(s, skb);
850 kfree_skb(skb);
2be7d22f 851 }
8fe59627 852 seq_puts(s, "}\n");
2be7d22f 853 } else {
af31cb5a 854 if (tx)
3a85543e
VK		 855 seq_printf(s, "[%2d] TxDesc index (%d) >= size (%d)\n",
856 dbg_vring_index, dbg_txdesc_index,
857 vring->size);
858 else
859 seq_printf(s, "RxDesc index (%d) >= size (%d)\n",
860 dbg_txdesc_index, vring->size);
2be7d22f
VK		 861 }
862
863 return 0;
864}
865
866static int wil_txdesc_seq_open(struct inode *inode, struct file *file)
867{
868 return single_open(file, wil_txdesc_debugfs_show, inode->i_private);
869}
870
871static const struct file_operations fops_txdesc = {
872 .open = wil_txdesc_seq_open,
873 .release = single_release,
874 .read = seq_read,
875 .llseek = seq_lseek,
876};
877
878/*---------beamforming------------*/
36345ac3
VK		 879static char *wil_bfstatus_str(u32 status)
880{
881 switch (status) {
882 case 0:
883 return "Failed";
884 case 1:
885 return "OK";
886 case 2:
887 return "Retrying";
888 default:
889 return "??";
890 }
891}
892
893static bool is_all_zeros(void * const x_, size_t sz)
894{
895 /* if reply is all-0, ignore this CID */
896 u32 *x = x_;
897 int n;
898
899 for (n = 0; n < sz / sizeof(*x); n++)
900 if (x[n])
901 return false;
902
903 return true;
904}
905
2be7d22f
VK		 906static int wil_bf_debugfs_show(struct seq_file *s, void *data)
907{
36345ac3
VK		 908 int rc;
909 int i;
2be7d22f 910 struct wil6210_priv *wil = s->private;
36345ac3
VK		 911 struct wmi_notify_req_cmd cmd = {
912 .interval_usec = 0,
913 };
914 struct {
915 struct wil6210_mbox_hdr_wmi wmi;
916 struct wmi_notify_req_done_event evt;
917 } __packed reply;
918
919 for (i = 0; i < ARRAY_SIZE(wil->sta); i++) {
920 u32 status;
921
922 cmd.cid = i;
923 rc = wmi_call(wil, WMI_NOTIFY_REQ_CMDID, &cmd, sizeof(cmd),
924 WMI_NOTIFY_REQ_DONE_EVENTID, &reply,
925 sizeof(reply), 20);
926 /* if reply is all-0, ignore this CID */
927 if (rc || is_all_zeros(&reply.evt, sizeof(reply.evt)))
928 continue;
929
930 status = le32_to_cpu(reply.evt.status);
931 seq_printf(s, "CID %d {\n"
932 " TSF = 0x%016llx\n"
933 " TxMCS = %2d TxTpt = %4d\n"
934 " SQI = %4d\n"
935 " Status = 0x%08x %s\n"
936 " Sectors(rx:tx) my %2d:%2d peer %2d:%2d\n"
937 " Goodput(rx:tx) %4d:%4d\n"
938 "}\n",
939 i,
940 le64_to_cpu(reply.evt.tsf),
941 le16_to_cpu(reply.evt.bf_mcs),
942 le32_to_cpu(reply.evt.tx_tpt),
943 reply.evt.sqi,
944 status, wil_bfstatus_str(status),
945 le16_to_cpu(reply.evt.my_rx_sector),
946 le16_to_cpu(reply.evt.my_tx_sector),
947 le16_to_cpu(reply.evt.other_rx_sector),
948 le16_to_cpu(reply.evt.other_tx_sector),
949 le32_to_cpu(reply.evt.rx_goodput),
950 le32_to_cpu(reply.evt.tx_goodput));
951 }
2be7d22f
VK		 952 return 0;
953}
954
955static int wil_bf_seq_open(struct inode *inode, struct file *file)
956{
957 return single_open(file, wil_bf_debugfs_show, inode->i_private);
958}
959
960static const struct file_operations fops_bf = {
961 .open = wil_bf_seq_open,
962 .release = single_release,
963 .read = seq_read,
964 .llseek = seq_lseek,
965};
8fe59627 966
2be7d22f
VK		 967/*---------SSID------------*/
968static ssize_t wil_read_file_ssid(struct file *file, char __user *user_buf,
969 size_t count, loff_t *ppos)
970{
971 struct wil6210_priv *wil = file->private_data;
972 struct wireless_dev *wdev = wil_to_wdev(wil);
973
974 return simple_read_from_buffer(user_buf, count, ppos,
975 wdev->ssid, wdev->ssid_len);
976}
977
978static ssize_t wil_write_file_ssid(struct file *file, const char __user *buf,
979 size_t count, loff_t *ppos)
980{
981 struct wil6210_priv *wil = file->private_data;
982 struct wireless_dev *wdev = wil_to_wdev(wil);
983 struct net_device *ndev = wil_to_ndev(wil);
984
985 if (*ppos != 0) {
986 wil_err(wil, "Unable to set SSID substring from [%d]\n",
987 (int)*ppos);
988 return -EINVAL;
989 }
990
991 if (count > sizeof(wdev->ssid)) {
992 wil_err(wil, "SSID too long, len = %d\n", (int)count);
993 return -EINVAL;
994 }
995 if (netif_running(ndev)) {
996 wil_err(wil, "Unable to change SSID on running interface\n");
997 return -EINVAL;
998 }
999
1000 wdev->ssid_len = count;
1001 return simple_write_to_buffer(wdev->ssid, wdev->ssid_len, ppos,
1002 buf, count);
1003}
1004
1005static const struct file_operations fops_ssid = {
1006 .read = wil_read_file_ssid,
1007 .write = wil_write_file_ssid,
93ecbd64 1008 .open = simple_open,
2be7d22f
VK		 1009};
1010
1a2780e0
VK		 1011/*---------temp------------*/
1012static void print_temp(struct seq_file *s, const char *prefix, u32 t)
1013{
1014 switch (t) {
1015 case 0:
1016 case ~(u32)0:
1017 seq_printf(s, "%s N/A\n", prefix);
1018 break;
1019 default:
1020 seq_printf(s, "%s %d.%03d\n", prefix, t / 1000, t % 1000);
1021 break;
1022 }
1023}
1024
1025static int wil_temp_debugfs_show(struct seq_file *s, void *data)
1026{
1027 struct wil6210_priv *wil = s->private;
1028 u32 t_m, t_r;
1a2780e0 1029 int rc = wmi_get_temperature(wil, &t_m, &t_r);
8fe59627 1030
1a2780e0 1031 if (rc) {
8fe59627 1032 seq_puts(s, "Failed\n");
1a2780e0
VK		 1033 return 0;
1034 }
1035
d45cff9f
VK		 1036 print_temp(s, "T_mac =", t_m);
1037 print_temp(s, "T_radio =", t_r);
1a2780e0
VK		 1038
1039 return 0;
1040}
1041
1042static int wil_temp_seq_open(struct inode *inode, struct file *file)
1043{
1044 return single_open(file, wil_temp_debugfs_show, inode->i_private);
1045}
1046
1047static const struct file_operations fops_temp = {
1048 .open = wil_temp_seq_open,
1049 .release = single_release,
1050 .read = seq_read,
1051 .llseek = seq_lseek,
1052};
1053
9eb82d43
VK		 1054/*---------freq------------*/
1055static int wil_freq_debugfs_show(struct seq_file *s, void *data)
1056{
1057 struct wil6210_priv *wil = s->private;
1058 struct wireless_dev *wdev = wil_to_wdev(wil);
1059 u16 freq = wdev->chandef.chan ? wdev->chandef.chan->center_freq : 0;
1060
1061 seq_printf(s, "Freq = %d\n", freq);
1062
1063 return 0;
1064}
1065
1066static int wil_freq_seq_open(struct inode *inode, struct file *file)
1067{
1068 return single_open(file, wil_freq_debugfs_show, inode->i_private);
1069}
1070
1071static const struct file_operations fops_freq = {
1072 .open = wil_freq_seq_open,
1073 .release = single_release,
1074 .read = seq_read,
1075 .llseek = seq_lseek,
1076};
1077
1078/*---------link------------*/
1079static int wil_link_debugfs_show(struct seq_file *s, void *data)
1080{
1081 struct wil6210_priv *wil = s->private;
1082 struct station_info sinfo;
1083 int i, rc;
1084
1085 for (i = 0; i < ARRAY_SIZE(wil->sta); i++) {
1086 struct wil_sta_info *p = &wil->sta[i];
1087 char *status = "unknown";
8fe59627 1088
9eb82d43
VK		 1089 switch (p->status) {
1090 case wil_sta_unused:
1091 status = "unused ";
1092 break;
1093 case wil_sta_conn_pending:
1094 status = "pending ";
1095 break;
1096 case wil_sta_connected:
1097 status = "connected";
1098 break;
1099 }
1100 seq_printf(s, "[%d] %pM %s%s\n", i, p->addr, status,
1101 (p->data_port_open ? " data_port_open" : ""));
1102
1103 if (p->status == wil_sta_connected) {
1104 rc = wil_cid_fill_sinfo(wil, i, &sinfo);
1105 if (rc)
1106 return rc;
1107
1108 seq_printf(s, " Tx_mcs = %d\n", sinfo.txrate.mcs);
1109 seq_printf(s, " Rx_mcs = %d\n", sinfo.rxrate.mcs);
1110 seq_printf(s, " SQ = %d\n", sinfo.signal);
1111 }
1112 }
1113
1114 return 0;
1115}
1116
1117static int wil_link_seq_open(struct inode *inode, struct file *file)
1118{
1119 return single_open(file, wil_link_debugfs_show, inode->i_private);
1120}
1121
1122static const struct file_operations fops_link = {
1123 .open = wil_link_seq_open,
1124 .release = single_release,
1125 .read = seq_read,
1126 .llseek = seq_lseek,
1127};
1128
84bb29b7
VK		 1129/*---------info------------*/
1130static int wil_info_debugfs_show(struct seq_file *s, void *data)
1131{
be299858
VK		 1132 struct wil6210_priv *wil = s->private;
1133 struct net_device *ndev = wil_to_ndev(wil);
84bb29b7 1134 int is_ac = power_supply_is_system_supplied();
be299858
VK		 1135 int rx = atomic_xchg(&wil->isr_count_rx, 0);
1136 int tx = atomic_xchg(&wil->isr_count_tx, 0);
1137 static ulong rxf_old, txf_old;
1138 ulong rxf = ndev->stats.rx_packets;
1139 ulong txf = ndev->stats.tx_packets;
55f8f680 1140 unsigned int i;
84bb29b7
VK		 1141
1142 /* >0 : AC; 0 : battery; <0 : error */
1143 seq_printf(s, "AC powered : %d\n", is_ac);
be299858
VK		 1144 seq_printf(s, "Rx irqs:packets : %8d : %8ld\n", rx, rxf - rxf_old);
1145 seq_printf(s, "Tx irqs:packets : %8d : %8ld\n", tx, txf - txf_old);
1146 rxf_old = rxf;
1147 txf_old = txf;
84bb29b7 1148
55f8f680
VK		 1149#define CHECK_QSTATE(x) (state & BIT(__QUEUE_STATE_ ## x)) ? \
1150 " " __stringify(x) : ""
1151
1152 for (i = 0; i < ndev->num_tx_queues; i++) {
1153 struct netdev_queue *txq = netdev_get_tx_queue(ndev, i);
1154 unsigned long state = txq->state;
1155
1156 seq_printf(s, "Tx queue[%i] state : 0x%lx%s%s%s\n", i, state,
1157 CHECK_QSTATE(DRV_XOFF),
1158 CHECK_QSTATE(STACK_XOFF),
1159 CHECK_QSTATE(FROZEN)
1160 );
1161 }
1162#undef CHECK_QSTATE
84bb29b7
VK		 1163 return 0;
1164}
1165
1166static int wil_info_seq_open(struct inode *inode, struct file *file)
1167{
1168 return single_open(file, wil_info_debugfs_show, inode->i_private);
1169}
1170
1171static const struct file_operations fops_info = {
1172 .open = wil_info_seq_open,
1173 .release = single_release,
1174 .read = seq_read,
1175 .llseek = seq_lseek,
1176};
1177
c33407a8
VK		 1178/*---------recovery------------*/
1179/* mode = [manual|auto]
1180 * state = [idle|pending|running]
1181 */
1182static ssize_t wil_read_file_recovery(struct file *file, char __user *user_buf,
1183 size_t count, loff_t *ppos)
1184{
1185 struct wil6210_priv *wil = file->private_data;
1186 char buf[80];
1187 int n;
1188 static const char * const sstate[] = {"idle", "pending", "running"};
1189
1190 n = snprintf(buf, sizeof(buf), "mode = %s\nstate = %s\n",
1191 no_fw_recovery ? "manual" : "auto",
1192 sstate[wil->recovery_state]);
1193
1194 n = min_t(int, n, sizeof(buf));
1195
1196 return simple_read_from_buffer(user_buf, count, ppos,
1197 buf, n);
1198}
1199
1200static ssize_t wil_write_file_recovery(struct file *file,
1201 const char __user *buf_,
1202 size_t count, loff_t *ppos)
1203{
1204 struct wil6210_priv *wil = file->private_data;
1205 static const char run_command[] = "run";
1206 char buf[sizeof(run_command) + 1]; /* to detect "runx" */
1207 ssize_t rc;
1208
1209 if (wil->recovery_state != fw_recovery_pending) {
1210 wil_err(wil, "No recovery pending\n");
1211 return -EINVAL;
1212 }
1213
1214 if (*ppos != 0) {
1215 wil_err(wil, "Offset [%d]\n", (int)*ppos);
1216 return -EINVAL;
1217 }
1218
1219 if (count > sizeof(buf)) {
1220 wil_err(wil, "Input too long, len = %d\n", (int)count);
1221 return -EINVAL;
1222 }
1223
1224 rc = simple_write_to_buffer(buf, sizeof(buf) - 1, ppos, buf_, count);
1225 if (rc < 0)
1226 return rc;
1227
1228 buf[rc] = '\0';
1229 if (0 == strcmp(buf, run_command))
1230 wil_set_recovery_state(wil, fw_recovery_running);
1231 else
1232 wil_err(wil, "Bad recovery command \"%s\"\n", buf);
1233
1234 return rc;
1235}
1236
1237static const struct file_operations fops_recovery = {
1238 .read = wil_read_file_recovery,
1239 .write = wil_write_file_recovery,
1240 .open = simple_open,
1241};
1242
3df2cd36 1243/*---------Station matrix------------*/
b4490f42
VK		 1244static void wil_print_rxtid(struct seq_file *s, struct wil_tid_ampdu_rx *r)
1245{
1246 int i;
1247 u16 index = ((r->head_seq_num - r->ssn) & 0xfff) % r->buf_size;
8fe59627 1248
56637e7b
VK		 1249 seq_printf(s, "([%2d] %3d TU) 0x%03x [", r->buf_size, r->timeout,
1250 r->head_seq_num);
b4490f42
VK		 1251 for (i = 0; i < r->buf_size; i++) {
1252 if (i == index)
1253 seq_printf(s, "%c", r->reorder_buf[i] ? 'O' : '|');
1254 else
1255 seq_printf(s, "%c", r->reorder_buf[i] ? '*' : '_');
1256 }
d5b1c32f 1257 seq_printf(s, "] last drop 0x%03x\n", r->ssn_last_drop);
b4490f42 1258}
3df2cd36
VK		 1259
1260static int wil_sta_debugfs_show(struct seq_file *s, void *data)
1261{
1262 struct wil6210_priv *wil = s->private;
b4490f42 1263 int i, tid;
ec81b5ad 1264 unsigned long flags;
3df2cd36
VK		 1265
1266 for (i = 0; i < ARRAY_SIZE(wil->sta); i++) {
1267 struct wil_sta_info *p = &wil->sta[i];
1268 char *status = "unknown";
8fe59627 1269
3df2cd36
VK		 1270 switch (p->status) {
1271 case wil_sta_unused:
1272 status = "unused ";
1273 break;
1274 case wil_sta_conn_pending:
1275 status = "pending ";
1276 break;
1277 case wil_sta_connected:
1278 status = "connected";
1279 break;
1280 }
e58c9f70
VK		 1281 seq_printf(s, "[%d] %pM %s%s\n", i, p->addr, status,
1282 (p->data_port_open ? " data_port_open" : ""));
b4490f42
VK		 1283
1284 if (p->status == wil_sta_connected) {
ec81b5ad 1285 spin_lock_irqsave(&p->tid_rx_lock, flags);
b4490f42
VK		 1286 for (tid = 0; tid < WIL_STA_TID_NUM; tid++) {
1287 struct wil_tid_ampdu_rx *r = p->tid_rx[tid];
8fe59627 1288
b4490f42
VK		 1289 if (r) {
1290 seq_printf(s, "[%2d] ", tid);
1291 wil_print_rxtid(s, r);
1292 }
1293 }
ec81b5ad 1294 spin_unlock_irqrestore(&p->tid_rx_lock, flags);
b4490f42 1295 }
3df2cd36
VK		 1296 }
1297
1298 return 0;
1299}
1300
1301static int wil_sta_seq_open(struct inode *inode, struct file *file)
1302{
1303 return single_open(file, wil_sta_debugfs_show, inode->i_private);
1304}
1305
1306static const struct file_operations fops_sta = {
1307 .open = wil_sta_seq_open,
1308 .release = single_release,
1309 .read = seq_read,
1310 .llseek = seq_lseek,
1311};
1312
2be7d22f 1313/*----------------*/
b541d0a0
VK		 1314static void wil6210_debugfs_init_blobs(struct wil6210_priv *wil,
1315 struct dentry *dbg)
1316{
1317 int i;
1318 char name[32];
1319
1320 for (i = 0; i < ARRAY_SIZE(fw_mapping); i++) {
1321 struct debugfs_blob_wrapper *blob = &wil->blobs[i];
1322 const struct fw_map *map = &fw_mapping[i];
1323
1324 if (!map->name)
1325 continue;
1326
1327 blob->data = (void * __force)wil->csr + HOSTADDR(map->host);
1328 blob->size = map->to - map->from;
1329 snprintf(name, sizeof(name), "blob_%s", map->name);
1330 wil_debugfs_create_ioblob(name, S_IRUGO, dbg, blob);
1331 }
1332}
1333
b7cde470
VK		 1334/* misc files */
1335static const struct {
1336 const char *name;
1337 umode_t mode;
1338 const struct file_operations *fops;
1339} dbg_files[] = {
1340 {"mbox", S_IRUGO, &fops_mbox},
1341 {"vrings", S_IRUGO, &fops_vring},
1342 {"stations", S_IRUGO, &fops_sta},
1343 {"desc", S_IRUGO, &fops_txdesc},
1344 {"bf", S_IRUGO, &fops_bf},
1345 {"ssid", S_IRUGO | S_IWUSR, &fops_ssid},
1346 {"mem_val", S_IRUGO, &fops_memread},
1347 {"reset", S_IWUSR, &fops_reset},
1348 {"rxon", S_IWUSR, &fops_rxon},
1349 {"tx_mgmt", S_IWUSR, &fops_txmgmt},
1350 {"wmi_send", S_IWUSR, &fops_wmi},
49cb5dfb 1351 {"back", S_IRUGO | S_IWUSR, &fops_back},
b7cde470
VK		 1352 {"temp", S_IRUGO, &fops_temp},
1353 {"freq", S_IRUGO, &fops_freq},
1354 {"link", S_IRUGO, &fops_link},
1355 {"info", S_IRUGO, &fops_info},
c33407a8 1356 {"recovery", S_IRUGO | S_IWUSR, &fops_recovery},
b7cde470
VK		 1357};
1358
1359static void wil6210_debugfs_init_files(struct wil6210_priv *wil,
1360 struct dentry *dbg)
1361{
1362 int i;
1363
1364 for (i = 0; i < ARRAY_SIZE(dbg_files); i++)
1365 debugfs_create_file(dbg_files[i].name, dbg_files[i].mode, dbg,
1366 wil, dbg_files[i].fops);
1367}
1368
1369/* interrupt control blocks */
1370static const struct {
1371 const char *name;
1372 u32 icr_off;
1373} dbg_icr[] = {
1374 {"USER_ICR", HOSTADDR(RGF_USER_USER_ICR)},
1375 {"DMA_EP_TX_ICR", HOSTADDR(RGF_DMA_EP_TX_ICR)},
1376 {"DMA_EP_RX_ICR", HOSTADDR(RGF_DMA_EP_RX_ICR)},
1377 {"DMA_EP_MISC_ICR", HOSTADDR(RGF_DMA_EP_MISC_ICR)},
1378};
1379
1380static void wil6210_debugfs_init_isr(struct wil6210_priv *wil,
1381 struct dentry *dbg)
1382{
1383 int i;
1384
1385 for (i = 0; i < ARRAY_SIZE(dbg_icr); i++)
1386 wil6210_debugfs_create_ISR(wil, dbg_icr[i].name, dbg,
1387 dbg_icr[i].icr_off);
1388}
1389
1390#define WIL_FIELD(name, mode, type) { __stringify(name), mode, \
1391 offsetof(struct wil6210_priv, name), type}
1392
1393/* fields in struct wil6210_priv */
1394static const struct dbg_off dbg_wil_off[] = {
1395 WIL_FIELD(secure_pcp, S_IRUGO | S_IWUSR, doff_u32),
9419b6a2 1396 WIL_FIELD(status[0], S_IRUGO | S_IWUSR, doff_ulong),
b7cde470
VK		 1397 WIL_FIELD(fw_version, S_IRUGO, doff_u32),
1398 WIL_FIELD(hw_version, S_IRUGO, doff_x32),
c33407a8 1399 WIL_FIELD(recovery_count, S_IRUGO, doff_u32),
b7cde470
VK		 1400 {},
1401};
1402
1403static const struct dbg_off dbg_wil_regs[] = {
1404 {"RGF_MAC_MTRL_COUNTER_0", S_IRUGO, HOSTADDR(RGF_MAC_MTRL_COUNTER_0),
1405 doff_io32},
1406 {"RGF_USER_USAGE_1", S_IRUGO, HOSTADDR(RGF_USER_USAGE_1), doff_io32},
1407 {},
1408};
1409
1410/* static parameters */
1411static const struct dbg_off dbg_statics[] = {
1412 {"desc_index", S_IRUGO | S_IWUSR, (ulong)&dbg_txdesc_index, doff_u32},
1413 {"vring_index", S_IRUGO | S_IWUSR, (ulong)&dbg_vring_index, doff_u32},
1414 {"mem_addr", S_IRUGO | S_IWUSR, (ulong)&mem_addr, doff_u32},
1415 {},
1416};
1417
2be7d22f
VK		 1418int wil6210_debugfs_init(struct wil6210_priv *wil)
1419{
1420 struct dentry *dbg = wil->debug = debugfs_create_dir(WIL_NAME,
1421 wil_to_wiphy(wil)->debugfsdir);
1422
1423 if (IS_ERR_OR_NULL(dbg))
1424 return -ENODEV;
1425
b7cde470
VK		 1426 wil6210_debugfs_init_files(wil, dbg);
1427 wil6210_debugfs_init_isr(wil, dbg);
1428 wil6210_debugfs_init_blobs(wil, dbg);
1429 wil6210_debugfs_init_offset(wil, dbg, wil, dbg_wil_off);
1430 wil6210_debugfs_init_offset(wil, dbg, (void * __force)wil->csr,
1431 dbg_wil_regs);
1432 wil6210_debugfs_init_offset(wil, dbg, NULL, dbg_statics);
1433
2be7d22f 1434 wil6210_debugfs_create_pseudo_ISR(wil, dbg);
2be7d22f 1435
b7cde470 1436 wil6210_debugfs_create_ITR_CNT(wil, dbg);
2be7d22f
VK		 1437
1438 return 0;
1439}
1440
1441void wil6210_debugfs_remove(struct wil6210_priv *wil)
1442{
1443 debugfs_remove_recursive(wil->debug);
1444 wil->debug = NULL;
1445}
Linux kernel - Deliverables
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