2 * Copyright (c) 2012-2015 Qualcomm Atheros, Inc.
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.
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.
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>
22 #include <linux/power_supply.h>
29 /* Nasty hack. Better have per device instances */
31 static u32 dbg_txdesc_index;
32 static u32 dbg_vring_index; /* 24+ for Rx, 0..23 for Tx */
33 u32 vring_idle_trsh = 16; /* HW fetches up to 16 descriptors at once */
47 enum dbg_off_type type;
50 static void wil_print_vring(struct seq_file *s, struct wil6210_priv *wil,
51 const char *name, struct vring *vring,
54 void __iomem *x = wmi_addr(wil, vring->hwtail);
57 seq_printf(s, "VRING %s = {\n", name);
58 seq_printf(s, " pa = %pad\n", &vring->pa);
59 seq_printf(s, " va = 0x%p\n", vring->va);
60 seq_printf(s, " size = %d\n", vring->size);
61 seq_printf(s, " swtail = %d\n", vring->swtail);
62 seq_printf(s, " swhead = %d\n", vring->swhead);
63 seq_printf(s, " hwtail = [0x%08x] -> ", vring->hwtail);
66 seq_printf(s, "0x%08x = %d\n", v, v);
71 if (vring->va && (vring->size < 1025)) {
74 for (i = 0; i < vring->size; i++) {
75 volatile struct vring_tx_desc *d = &vring->va[i].tx;
77 if ((i % 64) == 0 && (i != 0))
79 seq_printf(s, "%c", (d->dma.status & BIT(0)) ?
80 _s : (vring->ctx[i].skb ? _h : 'h'));
87 static int wil_vring_debugfs_show(struct seq_file *s, void *data)
90 struct wil6210_priv *wil = s->private;
92 wil_print_vring(s, wil, "rx", &wil->vring_rx, 'S', '_');
94 for (i = 0; i < ARRAY_SIZE(wil->vring_tx); i++) {
95 struct vring *vring = &wil->vring_tx[i];
96 struct vring_tx_data *txdata = &wil->vring_tx_data[i];
99 int cid = wil->vring2cid_tid[i][0];
100 int tid = wil->vring2cid_tid[i][1];
101 u32 swhead = vring->swhead;
102 u32 swtail = vring->swtail;
103 int used = (vring->size + swhead - swtail)
105 int avail = vring->size - used - 1;
108 /* performance monitoring */
109 cycles_t now = get_cycles();
110 uint64_t idle = txdata->idle * 100;
111 uint64_t total = now - txdata->begin;
115 snprintf(sidle, sizeof(sidle), "%3d%%",
118 snprintf(sidle, sizeof(sidle), "N/A");
123 snprintf(name, sizeof(name), "tx_%2d", i);
125 if (cid < WIL6210_MAX_CID)
127 "\n%pM CID %d TID %d 1x%s BACK([%u] %u TU A%s) [%3d|%3d] idle %s\n",
128 wil->sta[cid].addr, cid, tid,
129 txdata->dot1x_open ? "+" : "-",
132 txdata->agg_amsdu ? "+" : "-",
136 "\nBroadcast 1x%s [%3d|%3d] idle %s\n",
137 txdata->dot1x_open ? "+" : "-",
140 wil_print_vring(s, wil, name, vring, '_', 'H');
147 static int wil_vring_seq_open(struct inode *inode, struct file *file)
149 return single_open(file, wil_vring_debugfs_show, inode->i_private);
152 static const struct file_operations fops_vring = {
153 .open = wil_vring_seq_open,
154 .release = single_release,
159 static void wil_print_ring(struct seq_file *s, const char *prefix,
162 struct wil6210_priv *wil = s->private;
163 struct wil6210_mbox_ring r;
167 wil_memcpy_fromio_32(&r, off, sizeof(r));
168 wil_mbox_ring_le2cpus(&r);
170 * we just read memory block from NIC. This memory may be
171 * garbage. Check validity before using it.
173 rsize = r.size / sizeof(struct wil6210_mbox_ring_desc);
175 seq_printf(s, "ring %s = {\n", prefix);
176 seq_printf(s, " base = 0x%08x\n", r.base);
177 seq_printf(s, " size = 0x%04x bytes -> %d entries\n", r.size, rsize);
178 seq_printf(s, " tail = 0x%08x\n", r.tail);
179 seq_printf(s, " head = 0x%08x\n", r.head);
180 seq_printf(s, " entry size = %d\n", r.entry_size);
182 if (r.size % sizeof(struct wil6210_mbox_ring_desc)) {
183 seq_printf(s, " ??? size is not multiple of %zd, garbage?\n",
184 sizeof(struct wil6210_mbox_ring_desc));
188 if (!wmi_addr(wil, r.base) ||
189 !wmi_addr(wil, r.tail) ||
190 !wmi_addr(wil, r.head)) {
191 seq_puts(s, " ??? pointers are garbage?\n");
195 for (i = 0; i < rsize; i++) {
196 struct wil6210_mbox_ring_desc d;
197 struct wil6210_mbox_hdr hdr;
198 size_t delta = i * sizeof(d);
199 void __iomem *x = wil->csr + HOSTADDR(r.base) + delta;
201 wil_memcpy_fromio_32(&d, x, sizeof(d));
203 seq_printf(s, " [%2x] %s %s%s 0x%08x", i,
205 (r.tail - r.base == delta) ? "t" : " ",
206 (r.head - r.base == delta) ? "h" : " ",
207 le32_to_cpu(d.addr));
208 if (0 == wmi_read_hdr(wil, d.addr, &hdr)) {
209 u16 len = le16_to_cpu(hdr.len);
211 seq_printf(s, " -> %04x %04x %04x %02x\n",
212 le16_to_cpu(hdr.seq), len,
213 le16_to_cpu(hdr.type), hdr.flags);
214 if (len <= MAX_MBOXITEM_SIZE) {
216 char printbuf[16 * 3 + 2];
217 unsigned char databuf[MAX_MBOXITEM_SIZE];
218 void __iomem *src = wmi_buffer(wil, d.addr) +
219 sizeof(struct wil6210_mbox_hdr);
221 * No need to check @src for validity -
222 * we already validated @d.addr while
225 wil_memcpy_fromio_32(databuf, src, len);
227 int l = min(len - n, 16);
229 hex_dump_to_buffer(databuf + n, l,
233 seq_printf(s, " : %s\n", printbuf);
245 static int wil_mbox_debugfs_show(struct seq_file *s, void *data)
247 struct wil6210_priv *wil = s->private;
249 wil_print_ring(s, "tx", wil->csr + HOST_MBOX +
250 offsetof(struct wil6210_mbox_ctl, tx));
251 wil_print_ring(s, "rx", wil->csr + HOST_MBOX +
252 offsetof(struct wil6210_mbox_ctl, rx));
257 static int wil_mbox_seq_open(struct inode *inode, struct file *file)
259 return single_open(file, wil_mbox_debugfs_show, inode->i_private);
262 static const struct file_operations fops_mbox = {
263 .open = wil_mbox_seq_open,
264 .release = single_release,
269 static int wil_debugfs_iomem_x32_set(void *data, u64 val)
271 iowrite32(val, (void __iomem *)data);
272 wmb(); /* make sure write propagated to HW */
277 static int wil_debugfs_iomem_x32_get(void *data, u64 *val)
279 *val = ioread32((void __iomem *)data);
284 DEFINE_SIMPLE_ATTRIBUTE(fops_iomem_x32, wil_debugfs_iomem_x32_get,
285 wil_debugfs_iomem_x32_set, "0x%08llx\n");
287 static struct dentry *wil_debugfs_create_iomem_x32(const char *name,
289 struct dentry *parent,
292 return debugfs_create_file(name, mode, parent, value,
296 static int wil_debugfs_ulong_set(void *data, u64 val)
298 *(ulong *)data = val;
302 static int wil_debugfs_ulong_get(void *data, u64 *val)
304 *val = *(ulong *)data;
308 DEFINE_SIMPLE_ATTRIBUTE(wil_fops_ulong, wil_debugfs_ulong_get,
309 wil_debugfs_ulong_set, "%llu\n");
311 static struct dentry *wil_debugfs_create_ulong(const char *name, umode_t mode,
312 struct dentry *parent,
315 return debugfs_create_file(name, mode, parent, value, &wil_fops_ulong);
319 * wil6210_debugfs_init_offset - create set of debugfs files
320 * @wil - driver's context, used for printing
321 * @dbg - directory on the debugfs, where files will be created
322 * @base - base address used in address calculation
323 * @tbl - table with file descriptions. Should be terminated with empty element.
325 * Creates files accordingly to the @tbl.
327 static void wil6210_debugfs_init_offset(struct wil6210_priv *wil,
328 struct dentry *dbg, void *base,
329 const struct dbg_off * const tbl)
333 for (i = 0; tbl[i].name; i++) {
336 switch (tbl[i].type) {
338 f = debugfs_create_u32(tbl[i].name, tbl[i].mode, dbg,
342 f = debugfs_create_x32(tbl[i].name, tbl[i].mode, dbg,
346 f = wil_debugfs_create_ulong(tbl[i].name, tbl[i].mode,
347 dbg, base + tbl[i].off);
350 f = wil_debugfs_create_iomem_x32(tbl[i].name,
355 f = ERR_PTR(-EINVAL);
357 if (IS_ERR_OR_NULL(f))
358 wil_err(wil, "Create file \"%s\": err %ld\n",
359 tbl[i].name, PTR_ERR(f));
363 static const struct dbg_off isr_off[] = {
364 {"ICC", S_IRUGO | S_IWUSR, offsetof(struct RGF_ICR, ICC), doff_io32},
365 {"ICR", S_IRUGO | S_IWUSR, offsetof(struct RGF_ICR, ICR), doff_io32},
366 {"ICM", S_IRUGO | S_IWUSR, offsetof(struct RGF_ICR, ICM), doff_io32},
367 {"ICS", S_IWUSR, offsetof(struct RGF_ICR, ICS), doff_io32},
368 {"IMV", S_IRUGO | S_IWUSR, offsetof(struct RGF_ICR, IMV), doff_io32},
369 {"IMS", S_IWUSR, offsetof(struct RGF_ICR, IMS), doff_io32},
370 {"IMC", S_IWUSR, offsetof(struct RGF_ICR, IMC), doff_io32},
374 static int wil6210_debugfs_create_ISR(struct wil6210_priv *wil,
376 struct dentry *parent, u32 off)
378 struct dentry *d = debugfs_create_dir(name, parent);
380 if (IS_ERR_OR_NULL(d))
383 wil6210_debugfs_init_offset(wil, d, (void * __force)wil->csr + off,
389 static const struct dbg_off pseudo_isr_off[] = {
390 {"CAUSE", S_IRUGO, HOSTADDR(RGF_DMA_PSEUDO_CAUSE), doff_io32},
391 {"MASK_SW", S_IRUGO, HOSTADDR(RGF_DMA_PSEUDO_CAUSE_MASK_SW), doff_io32},
392 {"MASK_FW", S_IRUGO, HOSTADDR(RGF_DMA_PSEUDO_CAUSE_MASK_FW), doff_io32},
396 static int wil6210_debugfs_create_pseudo_ISR(struct wil6210_priv *wil,
397 struct dentry *parent)
399 struct dentry *d = debugfs_create_dir("PSEUDO_ISR", parent);
401 if (IS_ERR_OR_NULL(d))
404 wil6210_debugfs_init_offset(wil, d, (void * __force)wil->csr,
410 static const struct dbg_off lgc_itr_cnt_off[] = {
411 {"TRSH", S_IRUGO | S_IWUSR, HOSTADDR(RGF_DMA_ITR_CNT_TRSH), doff_io32},
412 {"DATA", S_IRUGO | S_IWUSR, HOSTADDR(RGF_DMA_ITR_CNT_DATA), doff_io32},
413 {"CTL", S_IRUGO | S_IWUSR, HOSTADDR(RGF_DMA_ITR_CNT_CRL), doff_io32},
417 static const struct dbg_off tx_itr_cnt_off[] = {
418 {"TRSH", S_IRUGO | S_IWUSR, HOSTADDR(RGF_DMA_ITR_TX_CNT_TRSH),
420 {"DATA", S_IRUGO | S_IWUSR, HOSTADDR(RGF_DMA_ITR_TX_CNT_DATA),
422 {"CTL", S_IRUGO | S_IWUSR, HOSTADDR(RGF_DMA_ITR_TX_CNT_CTL),
424 {"IDL_TRSH", S_IRUGO | S_IWUSR, HOSTADDR(RGF_DMA_ITR_TX_IDL_CNT_TRSH),
426 {"IDL_DATA", S_IRUGO | S_IWUSR, HOSTADDR(RGF_DMA_ITR_TX_IDL_CNT_DATA),
428 {"IDL_CTL", S_IRUGO | S_IWUSR, HOSTADDR(RGF_DMA_ITR_TX_IDL_CNT_CTL),
433 static const struct dbg_off rx_itr_cnt_off[] = {
434 {"TRSH", S_IRUGO | S_IWUSR, HOSTADDR(RGF_DMA_ITR_RX_CNT_TRSH),
436 {"DATA", S_IRUGO | S_IWUSR, HOSTADDR(RGF_DMA_ITR_RX_CNT_DATA),
438 {"CTL", S_IRUGO | S_IWUSR, HOSTADDR(RGF_DMA_ITR_RX_CNT_CTL),
440 {"IDL_TRSH", S_IRUGO | S_IWUSR, HOSTADDR(RGF_DMA_ITR_RX_IDL_CNT_TRSH),
442 {"IDL_DATA", S_IRUGO | S_IWUSR, HOSTADDR(RGF_DMA_ITR_RX_IDL_CNT_DATA),
444 {"IDL_CTL", S_IRUGO | S_IWUSR, HOSTADDR(RGF_DMA_ITR_RX_IDL_CNT_CTL),
449 static int wil6210_debugfs_create_ITR_CNT(struct wil6210_priv *wil,
450 struct dentry *parent)
452 struct dentry *d, *dtx, *drx;
454 d = debugfs_create_dir("ITR_CNT", parent);
455 if (IS_ERR_OR_NULL(d))
458 dtx = debugfs_create_dir("TX", d);
459 drx = debugfs_create_dir("RX", d);
460 if (IS_ERR_OR_NULL(dtx) || IS_ERR_OR_NULL(drx))
463 wil6210_debugfs_init_offset(wil, d, (void * __force)wil->csr,
466 wil6210_debugfs_init_offset(wil, dtx, (void * __force)wil->csr,
469 wil6210_debugfs_init_offset(wil, drx, (void * __force)wil->csr,
474 static int wil_memread_debugfs_show(struct seq_file *s, void *data)
476 struct wil6210_priv *wil = s->private;
477 void __iomem *a = wmi_buffer(wil, cpu_to_le32(mem_addr));
480 seq_printf(s, "[0x%08x] = 0x%08x\n", mem_addr, ioread32(a));
482 seq_printf(s, "[0x%08x] = INVALID\n", mem_addr);
487 static int wil_memread_seq_open(struct inode *inode, struct file *file)
489 return single_open(file, wil_memread_debugfs_show, inode->i_private);
492 static const struct file_operations fops_memread = {
493 .open = wil_memread_seq_open,
494 .release = single_release,
499 static ssize_t wil_read_file_ioblob(struct file *file, char __user *user_buf,
500 size_t count, loff_t *ppos)
502 enum { max_count = 4096 };
503 struct debugfs_blob_wrapper *blob = file->private_data;
505 size_t available = blob->size;
512 if (pos >= available || !count)
515 if (count > available - pos)
516 count = available - pos;
517 if (count > max_count)
520 buf = kmalloc(count, GFP_KERNEL);
524 wil_memcpy_fromio_32(buf, (const volatile void __iomem *)blob->data +
527 ret = copy_to_user(user_buf, buf, count);
538 static const struct file_operations fops_ioblob = {
539 .read = wil_read_file_ioblob,
541 .llseek = default_llseek,
545 struct dentry *wil_debugfs_create_ioblob(const char *name,
547 struct dentry *parent,
548 struct debugfs_blob_wrapper *blob)
550 return debugfs_create_file(name, mode, parent, blob, &fops_ioblob);
554 static ssize_t wil_write_file_reset(struct file *file, const char __user *buf,
555 size_t len, loff_t *ppos)
557 struct wil6210_priv *wil = file->private_data;
558 struct net_device *ndev = wil_to_ndev(wil);
562 * this code does NOT sync device state with the rest of system
563 * use with care, debug only!!!
567 ndev->flags &= ~IFF_UP;
569 wil_reset(wil, true);
574 static const struct file_operations fops_reset = {
575 .write = wil_write_file_reset,
579 /*---write channel 1..4 to rxon for it, 0 to rxoff---*/
580 static ssize_t wil_write_file_rxon(struct file *file, const char __user *buf,
581 size_t len, loff_t *ppos)
583 struct wil6210_priv *wil = file->private_data;
588 char *kbuf = kmalloc(len + 1, GFP_KERNEL);
592 if (copy_from_user(kbuf, buf, len)) {
598 rc = kstrtol(kbuf, 0, &channel);
603 if ((channel < 0) || (channel > 4)) {
604 wil_err(wil, "Invalid channel %ld\n", channel);
610 rc = wmi_set_channel(wil, (int)channel);
615 rc = wmi_rxon(wil, on);
622 static const struct file_operations fops_rxon = {
623 .write = wil_write_file_rxon,
627 /* block ack control, write:
628 * - "add <ringid> <agg_size> <timeout>" to trigger ADDBA
629 * - "del_tx <ringid> <reason>" to trigger DELBA for Tx side
630 * - "del_rx <CID> <TID> <reason>" to trigger DELBA for Rx side
632 static ssize_t wil_write_back(struct file *file, const char __user *buf,
633 size_t len, loff_t *ppos)
635 struct wil6210_priv *wil = file->private_data;
637 char *kbuf = kmalloc(len + 1, GFP_KERNEL);
644 rc = simple_write_to_buffer(kbuf, len, ppos, buf, len);
647 return rc >= 0 ? -EIO : rc;
651 rc = sscanf(kbuf, "%8s %d %d %d", cmd, &p1, &p2, &p3);
659 if (0 == strcmp(cmd, "add")) {
661 wil_err(wil, "BACK: add require at least 2 params\n");
666 wmi_addba(wil, p1, p2, p3);
667 } else if (0 == strcmp(cmd, "del_tx")) {
669 p2 = WLAN_REASON_QSTA_LEAVE_QBSS;
670 wmi_delba_tx(wil, p1, p2);
671 } else if (0 == strcmp(cmd, "del_rx")) {
674 "BACK: del_rx require at least 2 params\n");
678 p3 = WLAN_REASON_QSTA_LEAVE_QBSS;
679 wmi_delba_rx(wil, mk_cidxtid(p1, p2), p3);
681 wil_err(wil, "BACK: Unrecognized command \"%s\"\n", cmd);
688 static ssize_t wil_read_back(struct file *file, char __user *user_buf,
689 size_t count, loff_t *ppos)
691 static const char text[] = "block ack control, write:\n"
692 " - \"add <ringid> <agg_size> <timeout>\" to trigger ADDBA\n"
693 "If missing, <timeout> defaults to 0\n"
694 " - \"del_tx <ringid> <reason>\" to trigger DELBA for Tx side\n"
695 " - \"del_rx <CID> <TID> <reason>\" to trigger DELBA for Rx side\n"
696 "If missing, <reason> set to \"STA_LEAVING\" (36)\n";
698 return simple_read_from_buffer(user_buf, count, ppos, text,
702 static const struct file_operations fops_back = {
703 .read = wil_read_back,
704 .write = wil_write_back,
708 /* pmc control, write:
709 * - "alloc <num descriptors> <descriptor_size>" to allocate PMC
710 * - "free" to release memory allocated for PMC
712 static ssize_t wil_write_pmccfg(struct file *file, const char __user *buf,
713 size_t len, loff_t *ppos)
715 struct wil6210_priv *wil = file->private_data;
717 char *kbuf = kmalloc(len + 1, GFP_KERNEL);
719 int num_descs, desc_size;
724 rc = simple_write_to_buffer(kbuf, len, ppos, buf, len);
727 return rc >= 0 ? -EIO : rc;
731 rc = sscanf(kbuf, "%8s %d %d", cmd, &num_descs, &desc_size);
738 wil_err(wil, "pmccfg: no params given\n");
742 if (0 == strcmp(cmd, "alloc")) {
744 wil_err(wil, "pmccfg: alloc requires 2 params\n");
747 wil_pmc_alloc(wil, num_descs, desc_size);
748 } else if (0 == strcmp(cmd, "free")) {
750 wil_err(wil, "pmccfg: free does not have any params\n");
753 wil_pmc_free(wil, true);
755 wil_err(wil, "pmccfg: Unrecognized command \"%s\"\n", cmd);
762 static ssize_t wil_read_pmccfg(struct file *file, char __user *user_buf,
763 size_t count, loff_t *ppos)
765 struct wil6210_priv *wil = file->private_data;
767 char help[] = "pmc control, write:\n"
768 " - \"alloc <num descriptors> <descriptor_size>\" to allocate pmc\n"
769 " - \"free\" to free memory allocated for pmc\n";
771 sprintf(text, "Last command status: %d\n\n%s",
772 wil_pmc_last_cmd_status(wil),
775 return simple_read_from_buffer(user_buf, count, ppos, text,
779 static const struct file_operations fops_pmccfg = {
780 .read = wil_read_pmccfg,
781 .write = wil_write_pmccfg,
785 static const struct file_operations fops_pmcdata = {
787 .read = wil_pmc_read,
788 .llseek = wil_pmc_llseek,
792 /* Write mgmt frame to this file to send it */
793 static ssize_t wil_write_file_txmgmt(struct file *file, const char __user *buf,
794 size_t len, loff_t *ppos)
796 struct wil6210_priv *wil = file->private_data;
797 struct wiphy *wiphy = wil_to_wiphy(wil);
798 struct wireless_dev *wdev = wil_to_wdev(wil);
799 struct cfg80211_mgmt_tx_params params;
801 void *frame = kmalloc(len, GFP_KERNEL);
806 if (copy_from_user(frame, buf, len)) {
813 params.chan = wdev->preset_chandef.chan;
815 rc = wil_cfg80211_mgmt_tx(wiphy, wdev, ¶ms, NULL);
818 wil_info(wil, "%s() -> %d\n", __func__, rc);
823 static const struct file_operations fops_txmgmt = {
824 .write = wil_write_file_txmgmt,
828 /* Write WMI command (w/o mbox header) to this file to send it
829 * WMI starts from wil6210_mbox_hdr_wmi header
831 static ssize_t wil_write_file_wmi(struct file *file, const char __user *buf,
832 size_t len, loff_t *ppos)
834 struct wil6210_priv *wil = file->private_data;
835 struct wil6210_mbox_hdr_wmi *wmi;
837 int cmdlen = len - sizeof(struct wil6210_mbox_hdr_wmi);
844 wmi = kmalloc(len, GFP_KERNEL);
848 rc = simple_write_to_buffer(wmi, len, ppos, buf, len);
855 cmdid = le16_to_cpu(wmi->id);
857 rc1 = wmi_send(wil, cmdid, cmd, cmdlen);
860 wil_info(wil, "%s(0x%04x[%d]) -> %d\n", __func__, cmdid, cmdlen, rc1);
865 static const struct file_operations fops_wmi = {
866 .write = wil_write_file_wmi,
870 static void wil_seq_hexdump(struct seq_file *s, void *p, int len,
873 char printbuf[16 * 3 + 2];
877 int l = min(len - i, 16);
879 hex_dump_to_buffer(p + i, l, 16, 1, printbuf,
880 sizeof(printbuf), false);
881 seq_printf(s, "%s%s\n", prefix, printbuf);
886 static void wil_seq_print_skb(struct seq_file *s, struct sk_buff *skb)
889 int len = skb_headlen(skb);
891 int nr_frags = skb_shinfo(skb)->nr_frags;
893 seq_printf(s, " len = %d\n", len);
894 wil_seq_hexdump(s, p, len, " : ");
897 seq_printf(s, " nr_frags = %d\n", nr_frags);
898 for (i = 0; i < nr_frags; i++) {
899 const struct skb_frag_struct *frag =
900 &skb_shinfo(skb)->frags[i];
902 len = skb_frag_size(frag);
903 p = skb_frag_address_safe(frag);
904 seq_printf(s, " [%2d] : len = %d\n", i, len);
905 wil_seq_hexdump(s, p, len, " : ");
910 /*---------Tx/Rx descriptor------------*/
911 static int wil_txdesc_debugfs_show(struct seq_file *s, void *data)
913 struct wil6210_priv *wil = s->private;
915 bool tx = (dbg_vring_index < WIL6210_MAX_TX_RINGS);
917 vring = tx ? &wil->vring_tx[dbg_vring_index] : &wil->vring_rx;
921 seq_printf(s, "No Tx[%2d] VRING\n", dbg_vring_index);
923 seq_puts(s, "No Rx VRING\n");
927 if (dbg_txdesc_index < vring->size) {
928 /* use struct vring_tx_desc for Rx as well,
929 * only field used, .dma.length, is the same
931 volatile struct vring_tx_desc *d =
932 &vring->va[dbg_txdesc_index].tx;
933 volatile u32 *u = (volatile u32 *)d;
934 struct sk_buff *skb = vring->ctx[dbg_txdesc_index].skb;
937 seq_printf(s, "Tx[%2d][%3d] = {\n", dbg_vring_index,
940 seq_printf(s, "Rx[%3d] = {\n", dbg_txdesc_index);
941 seq_printf(s, " MAC = 0x%08x 0x%08x 0x%08x 0x%08x\n",
942 u[0], u[1], u[2], u[3]);
943 seq_printf(s, " DMA = 0x%08x 0x%08x 0x%08x 0x%08x\n",
944 u[4], u[5], u[6], u[7]);
945 seq_printf(s, " SKB = 0x%p\n", skb);
949 wil_seq_print_skb(s, skb);
955 seq_printf(s, "[%2d] TxDesc index (%d) >= size (%d)\n",
956 dbg_vring_index, dbg_txdesc_index,
959 seq_printf(s, "RxDesc index (%d) >= size (%d)\n",
960 dbg_txdesc_index, vring->size);
966 static int wil_txdesc_seq_open(struct inode *inode, struct file *file)
968 return single_open(file, wil_txdesc_debugfs_show, inode->i_private);
971 static const struct file_operations fops_txdesc = {
972 .open = wil_txdesc_seq_open,
973 .release = single_release,
978 /*---------beamforming------------*/
979 static char *wil_bfstatus_str(u32 status)
993 static bool is_all_zeros(void * const x_, size_t sz)
995 /* if reply is all-0, ignore this CID */
999 for (n = 0; n < sz / sizeof(*x); n++)
1006 static int wil_bf_debugfs_show(struct seq_file *s, void *data)
1010 struct wil6210_priv *wil = s->private;
1011 struct wmi_notify_req_cmd cmd = {
1015 struct wil6210_mbox_hdr_wmi wmi;
1016 struct wmi_notify_req_done_event evt;
1019 for (i = 0; i < ARRAY_SIZE(wil->sta); i++) {
1023 rc = wmi_call(wil, WMI_NOTIFY_REQ_CMDID, &cmd, sizeof(cmd),
1024 WMI_NOTIFY_REQ_DONE_EVENTID, &reply,
1026 /* if reply is all-0, ignore this CID */
1027 if (rc || is_all_zeros(&reply.evt, sizeof(reply.evt)))
1030 status = le32_to_cpu(reply.evt.status);
1031 seq_printf(s, "CID %d {\n"
1032 " TSF = 0x%016llx\n"
1033 " TxMCS = %2d TxTpt = %4d\n"
1035 " Status = 0x%08x %s\n"
1036 " Sectors(rx:tx) my %2d:%2d peer %2d:%2d\n"
1037 " Goodput(rx:tx) %4d:%4d\n"
1040 le64_to_cpu(reply.evt.tsf),
1041 le16_to_cpu(reply.evt.bf_mcs),
1042 le32_to_cpu(reply.evt.tx_tpt),
1044 status, wil_bfstatus_str(status),
1045 le16_to_cpu(reply.evt.my_rx_sector),
1046 le16_to_cpu(reply.evt.my_tx_sector),
1047 le16_to_cpu(reply.evt.other_rx_sector),
1048 le16_to_cpu(reply.evt.other_tx_sector),
1049 le32_to_cpu(reply.evt.rx_goodput),
1050 le32_to_cpu(reply.evt.tx_goodput));
1055 static int wil_bf_seq_open(struct inode *inode, struct file *file)
1057 return single_open(file, wil_bf_debugfs_show, inode->i_private);
1060 static const struct file_operations fops_bf = {
1061 .open = wil_bf_seq_open,
1062 .release = single_release,
1064 .llseek = seq_lseek,
1067 /*---------SSID------------*/
1068 static ssize_t wil_read_file_ssid(struct file *file, char __user *user_buf,
1069 size_t count, loff_t *ppos)
1071 struct wil6210_priv *wil = file->private_data;
1072 struct wireless_dev *wdev = wil_to_wdev(wil);
1074 return simple_read_from_buffer(user_buf, count, ppos,
1075 wdev->ssid, wdev->ssid_len);
1078 static ssize_t wil_write_file_ssid(struct file *file, const char __user *buf,
1079 size_t count, loff_t *ppos)
1081 struct wil6210_priv *wil = file->private_data;
1082 struct wireless_dev *wdev = wil_to_wdev(wil);
1083 struct net_device *ndev = wil_to_ndev(wil);
1086 wil_err(wil, "Unable to set SSID substring from [%d]\n",
1091 if (count > sizeof(wdev->ssid)) {
1092 wil_err(wil, "SSID too long, len = %d\n", (int)count);
1095 if (netif_running(ndev)) {
1096 wil_err(wil, "Unable to change SSID on running interface\n");
1100 wdev->ssid_len = count;
1101 return simple_write_to_buffer(wdev->ssid, wdev->ssid_len, ppos,
1105 static const struct file_operations fops_ssid = {
1106 .read = wil_read_file_ssid,
1107 .write = wil_write_file_ssid,
1108 .open = simple_open,
1111 /*---------temp------------*/
1112 static void print_temp(struct seq_file *s, const char *prefix, u32 t)
1117 seq_printf(s, "%s N/A\n", prefix);
1120 seq_printf(s, "%s %d.%03d\n", prefix, t / 1000, t % 1000);
1125 static int wil_temp_debugfs_show(struct seq_file *s, void *data)
1127 struct wil6210_priv *wil = s->private;
1129 int rc = wmi_get_temperature(wil, &t_m, &t_r);
1132 seq_puts(s, "Failed\n");
1136 print_temp(s, "T_mac =", t_m);
1137 print_temp(s, "T_radio =", t_r);
1142 static int wil_temp_seq_open(struct inode *inode, struct file *file)
1144 return single_open(file, wil_temp_debugfs_show, inode->i_private);
1147 static const struct file_operations fops_temp = {
1148 .open = wil_temp_seq_open,
1149 .release = single_release,
1151 .llseek = seq_lseek,
1154 /*---------freq------------*/
1155 static int wil_freq_debugfs_show(struct seq_file *s, void *data)
1157 struct wil6210_priv *wil = s->private;
1158 struct wireless_dev *wdev = wil_to_wdev(wil);
1159 u16 freq = wdev->chandef.chan ? wdev->chandef.chan->center_freq : 0;
1161 seq_printf(s, "Freq = %d\n", freq);
1166 static int wil_freq_seq_open(struct inode *inode, struct file *file)
1168 return single_open(file, wil_freq_debugfs_show, inode->i_private);
1171 static const struct file_operations fops_freq = {
1172 .open = wil_freq_seq_open,
1173 .release = single_release,
1175 .llseek = seq_lseek,
1178 /*---------link------------*/
1179 static int wil_link_debugfs_show(struct seq_file *s, void *data)
1181 struct wil6210_priv *wil = s->private;
1182 struct station_info sinfo;
1185 for (i = 0; i < ARRAY_SIZE(wil->sta); i++) {
1186 struct wil_sta_info *p = &wil->sta[i];
1187 char *status = "unknown";
1189 switch (p->status) {
1190 case wil_sta_unused:
1193 case wil_sta_conn_pending:
1194 status = "pending ";
1196 case wil_sta_connected:
1197 status = "connected";
1200 seq_printf(s, "[%d] %pM %s\n", i, p->addr, status);
1202 if (p->status == wil_sta_connected) {
1203 rc = wil_cid_fill_sinfo(wil, i, &sinfo);
1207 seq_printf(s, " Tx_mcs = %d\n", sinfo.txrate.mcs);
1208 seq_printf(s, " Rx_mcs = %d\n", sinfo.rxrate.mcs);
1209 seq_printf(s, " SQ = %d\n", sinfo.signal);
1216 static int wil_link_seq_open(struct inode *inode, struct file *file)
1218 return single_open(file, wil_link_debugfs_show, inode->i_private);
1221 static const struct file_operations fops_link = {
1222 .open = wil_link_seq_open,
1223 .release = single_release,
1225 .llseek = seq_lseek,
1228 /*---------info------------*/
1229 static int wil_info_debugfs_show(struct seq_file *s, void *data)
1231 struct wil6210_priv *wil = s->private;
1232 struct net_device *ndev = wil_to_ndev(wil);
1233 int is_ac = power_supply_is_system_supplied();
1234 int rx = atomic_xchg(&wil->isr_count_rx, 0);
1235 int tx = atomic_xchg(&wil->isr_count_tx, 0);
1236 static ulong rxf_old, txf_old;
1237 ulong rxf = ndev->stats.rx_packets;
1238 ulong txf = ndev->stats.tx_packets;
1241 /* >0 : AC; 0 : battery; <0 : error */
1242 seq_printf(s, "AC powered : %d\n", is_ac);
1243 seq_printf(s, "Rx irqs:packets : %8d : %8ld\n", rx, rxf - rxf_old);
1244 seq_printf(s, "Tx irqs:packets : %8d : %8ld\n", tx, txf - txf_old);
1248 #define CHECK_QSTATE(x) (state & BIT(__QUEUE_STATE_ ## x)) ? \
1249 " " __stringify(x) : ""
1251 for (i = 0; i < ndev->num_tx_queues; i++) {
1252 struct netdev_queue *txq = netdev_get_tx_queue(ndev, i);
1253 unsigned long state = txq->state;
1255 seq_printf(s, "Tx queue[%i] state : 0x%lx%s%s%s\n", i, state,
1256 CHECK_QSTATE(DRV_XOFF),
1257 CHECK_QSTATE(STACK_XOFF),
1258 CHECK_QSTATE(FROZEN)
1265 static int wil_info_seq_open(struct inode *inode, struct file *file)
1267 return single_open(file, wil_info_debugfs_show, inode->i_private);
1270 static const struct file_operations fops_info = {
1271 .open = wil_info_seq_open,
1272 .release = single_release,
1274 .llseek = seq_lseek,
1277 /*---------recovery------------*/
1278 /* mode = [manual|auto]
1279 * state = [idle|pending|running]
1281 static ssize_t wil_read_file_recovery(struct file *file, char __user *user_buf,
1282 size_t count, loff_t *ppos)
1284 struct wil6210_priv *wil = file->private_data;
1287 static const char * const sstate[] = {"idle", "pending", "running"};
1289 n = snprintf(buf, sizeof(buf), "mode = %s\nstate = %s\n",
1290 no_fw_recovery ? "manual" : "auto",
1291 sstate[wil->recovery_state]);
1293 n = min_t(int, n, sizeof(buf));
1295 return simple_read_from_buffer(user_buf, count, ppos,
1299 static ssize_t wil_write_file_recovery(struct file *file,
1300 const char __user *buf_,
1301 size_t count, loff_t *ppos)
1303 struct wil6210_priv *wil = file->private_data;
1304 static const char run_command[] = "run";
1305 char buf[sizeof(run_command) + 1]; /* to detect "runx" */
1308 if (wil->recovery_state != fw_recovery_pending) {
1309 wil_err(wil, "No recovery pending\n");
1314 wil_err(wil, "Offset [%d]\n", (int)*ppos);
1318 if (count > sizeof(buf)) {
1319 wil_err(wil, "Input too long, len = %d\n", (int)count);
1323 rc = simple_write_to_buffer(buf, sizeof(buf) - 1, ppos, buf_, count);
1328 if (0 == strcmp(buf, run_command))
1329 wil_set_recovery_state(wil, fw_recovery_running);
1331 wil_err(wil, "Bad recovery command \"%s\"\n", buf);
1336 static const struct file_operations fops_recovery = {
1337 .read = wil_read_file_recovery,
1338 .write = wil_write_file_recovery,
1339 .open = simple_open,
1342 /*---------Station matrix------------*/
1343 static void wil_print_rxtid(struct seq_file *s, struct wil_tid_ampdu_rx *r)
1346 u16 index = ((r->head_seq_num - r->ssn) & 0xfff) % r->buf_size;
1348 seq_printf(s, "([%2d] %3d TU) 0x%03x [", r->buf_size, r->timeout,
1350 for (i = 0; i < r->buf_size; i++) {
1352 seq_printf(s, "%c", r->reorder_buf[i] ? 'O' : '|');
1354 seq_printf(s, "%c", r->reorder_buf[i] ? '*' : '_');
1356 seq_printf(s, "] last drop 0x%03x\n", r->ssn_last_drop);
1359 static int wil_sta_debugfs_show(struct seq_file *s, void *data)
1360 __acquires(&p->tid_rx_lock) __releases(&p->tid_rx_lock)
1362 struct wil6210_priv *wil = s->private;
1365 for (i = 0; i < ARRAY_SIZE(wil->sta); i++) {
1366 struct wil_sta_info *p = &wil->sta[i];
1367 char *status = "unknown";
1369 switch (p->status) {
1370 case wil_sta_unused:
1373 case wil_sta_conn_pending:
1374 status = "pending ";
1376 case wil_sta_connected:
1377 status = "connected";
1380 seq_printf(s, "[%d] %pM %s\n", i, p->addr, status);
1382 if (p->status == wil_sta_connected) {
1383 spin_lock_bh(&p->tid_rx_lock);
1384 for (tid = 0; tid < WIL_STA_TID_NUM; tid++) {
1385 struct wil_tid_ampdu_rx *r = p->tid_rx[tid];
1388 seq_printf(s, "[%2d] ", tid);
1389 wil_print_rxtid(s, r);
1392 spin_unlock_bh(&p->tid_rx_lock);
1393 seq_puts(s, "Rx/MCS:");
1394 for (mcs = 0; mcs < ARRAY_SIZE(p->stats.rx_per_mcs);
1396 seq_printf(s, " %lld",
1397 p->stats.rx_per_mcs[mcs]);
1405 static int wil_sta_seq_open(struct inode *inode, struct file *file)
1407 return single_open(file, wil_sta_debugfs_show, inode->i_private);
1410 static const struct file_operations fops_sta = {
1411 .open = wil_sta_seq_open,
1412 .release = single_release,
1414 .llseek = seq_lseek,
1417 /*----------------*/
1418 static void wil6210_debugfs_init_blobs(struct wil6210_priv *wil,
1424 for (i = 0; i < ARRAY_SIZE(fw_mapping); i++) {
1425 struct debugfs_blob_wrapper *blob = &wil->blobs[i];
1426 const struct fw_map *map = &fw_mapping[i];
1431 blob->data = (void * __force)wil->csr + HOSTADDR(map->host);
1432 blob->size = map->to - map->from;
1433 snprintf(name, sizeof(name), "blob_%s", map->name);
1434 wil_debugfs_create_ioblob(name, S_IRUGO, dbg, blob);
1439 static const struct {
1442 const struct file_operations *fops;
1444 {"mbox", S_IRUGO, &fops_mbox},
1445 {"vrings", S_IRUGO, &fops_vring},
1446 {"stations", S_IRUGO, &fops_sta},
1447 {"desc", S_IRUGO, &fops_txdesc},
1448 {"bf", S_IRUGO, &fops_bf},
1449 {"ssid", S_IRUGO | S_IWUSR, &fops_ssid},
1450 {"mem_val", S_IRUGO, &fops_memread},
1451 {"reset", S_IWUSR, &fops_reset},
1452 {"rxon", S_IWUSR, &fops_rxon},
1453 {"tx_mgmt", S_IWUSR, &fops_txmgmt},
1454 {"wmi_send", S_IWUSR, &fops_wmi},
1455 {"back", S_IRUGO | S_IWUSR, &fops_back},
1456 {"pmccfg", S_IRUGO | S_IWUSR, &fops_pmccfg},
1457 {"pmcdata", S_IRUGO, &fops_pmcdata},
1458 {"temp", S_IRUGO, &fops_temp},
1459 {"freq", S_IRUGO, &fops_freq},
1460 {"link", S_IRUGO, &fops_link},
1461 {"info", S_IRUGO, &fops_info},
1462 {"recovery", S_IRUGO | S_IWUSR, &fops_recovery},
1465 static void wil6210_debugfs_init_files(struct wil6210_priv *wil,
1470 for (i = 0; i < ARRAY_SIZE(dbg_files); i++)
1471 debugfs_create_file(dbg_files[i].name, dbg_files[i].mode, dbg,
1472 wil, dbg_files[i].fops);
1475 /* interrupt control blocks */
1476 static const struct {
1480 {"USER_ICR", HOSTADDR(RGF_USER_USER_ICR)},
1481 {"DMA_EP_TX_ICR", HOSTADDR(RGF_DMA_EP_TX_ICR)},
1482 {"DMA_EP_RX_ICR", HOSTADDR(RGF_DMA_EP_RX_ICR)},
1483 {"DMA_EP_MISC_ICR", HOSTADDR(RGF_DMA_EP_MISC_ICR)},
1486 static void wil6210_debugfs_init_isr(struct wil6210_priv *wil,
1491 for (i = 0; i < ARRAY_SIZE(dbg_icr); i++)
1492 wil6210_debugfs_create_ISR(wil, dbg_icr[i].name, dbg,
1493 dbg_icr[i].icr_off);
1496 #define WIL_FIELD(name, mode, type) { __stringify(name), mode, \
1497 offsetof(struct wil6210_priv, name), type}
1499 /* fields in struct wil6210_priv */
1500 static const struct dbg_off dbg_wil_off[] = {
1501 WIL_FIELD(privacy, S_IRUGO, doff_u32),
1502 WIL_FIELD(status[0], S_IRUGO | S_IWUSR, doff_ulong),
1503 WIL_FIELD(fw_version, S_IRUGO, doff_u32),
1504 WIL_FIELD(hw_version, S_IRUGO, doff_x32),
1505 WIL_FIELD(recovery_count, S_IRUGO, doff_u32),
1506 WIL_FIELD(ap_isolate, S_IRUGO, doff_u32),
1510 static const struct dbg_off dbg_wil_regs[] = {
1511 {"RGF_MAC_MTRL_COUNTER_0", S_IRUGO, HOSTADDR(RGF_MAC_MTRL_COUNTER_0),
1513 {"RGF_USER_USAGE_1", S_IRUGO, HOSTADDR(RGF_USER_USAGE_1), doff_io32},
1517 /* static parameters */
1518 static const struct dbg_off dbg_statics[] = {
1519 {"desc_index", S_IRUGO | S_IWUSR, (ulong)&dbg_txdesc_index, doff_u32},
1520 {"vring_index", S_IRUGO | S_IWUSR, (ulong)&dbg_vring_index, doff_u32},
1521 {"mem_addr", S_IRUGO | S_IWUSR, (ulong)&mem_addr, doff_u32},
1522 {"vring_idle_trsh", S_IRUGO | S_IWUSR, (ulong)&vring_idle_trsh,
1527 int wil6210_debugfs_init(struct wil6210_priv *wil)
1529 struct dentry *dbg = wil->debug = debugfs_create_dir(WIL_NAME,
1530 wil_to_wiphy(wil)->debugfsdir);
1532 if (IS_ERR_OR_NULL(dbg))
1537 wil6210_debugfs_init_files(wil, dbg);
1538 wil6210_debugfs_init_isr(wil, dbg);
1539 wil6210_debugfs_init_blobs(wil, dbg);
1540 wil6210_debugfs_init_offset(wil, dbg, wil, dbg_wil_off);
1541 wil6210_debugfs_init_offset(wil, dbg, (void * __force)wil->csr,
1543 wil6210_debugfs_init_offset(wil, dbg, NULL, dbg_statics);
1545 wil6210_debugfs_create_pseudo_ISR(wil, dbg);
1547 wil6210_debugfs_create_ITR_CNT(wil, dbg);
1552 void wil6210_debugfs_remove(struct wil6210_priv *wil)
1554 debugfs_remove_recursive(wil->debug);
1557 /* free pmc memory without sending command to fw, as it will
1558 * be reset on the way down anyway
1560 wil_pmc_free(wil, false);