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_seq_hexdump(struct seq_file *s, void *p, int len,
162 seq_hex_dump(s, prefix, DUMP_PREFIX_NONE, 16, 1, p, len, false);
165 static void wil_print_ring(struct seq_file *s, const char *prefix,
168 struct wil6210_priv *wil = s->private;
169 struct wil6210_mbox_ring r;
173 wil_memcpy_fromio_32(&r, off, sizeof(r));
174 wil_mbox_ring_le2cpus(&r);
176 * we just read memory block from NIC. This memory may be
177 * garbage. Check validity before using it.
179 rsize = r.size / sizeof(struct wil6210_mbox_ring_desc);
181 seq_printf(s, "ring %s = {\n", prefix);
182 seq_printf(s, " base = 0x%08x\n", r.base);
183 seq_printf(s, " size = 0x%04x bytes -> %d entries\n", r.size, rsize);
184 seq_printf(s, " tail = 0x%08x\n", r.tail);
185 seq_printf(s, " head = 0x%08x\n", r.head);
186 seq_printf(s, " entry size = %d\n", r.entry_size);
188 if (r.size % sizeof(struct wil6210_mbox_ring_desc)) {
189 seq_printf(s, " ??? size is not multiple of %zd, garbage?\n",
190 sizeof(struct wil6210_mbox_ring_desc));
194 if (!wmi_addr(wil, r.base) ||
195 !wmi_addr(wil, r.tail) ||
196 !wmi_addr(wil, r.head)) {
197 seq_puts(s, " ??? pointers are garbage?\n");
201 for (i = 0; i < rsize; i++) {
202 struct wil6210_mbox_ring_desc d;
203 struct wil6210_mbox_hdr hdr;
204 size_t delta = i * sizeof(d);
205 void __iomem *x = wil->csr + HOSTADDR(r.base) + delta;
207 wil_memcpy_fromio_32(&d, x, sizeof(d));
209 seq_printf(s, " [%2x] %s %s%s 0x%08x", i,
211 (r.tail - r.base == delta) ? "t" : " ",
212 (r.head - r.base == delta) ? "h" : " ",
213 le32_to_cpu(d.addr));
214 if (0 == wmi_read_hdr(wil, d.addr, &hdr)) {
215 u16 len = le16_to_cpu(hdr.len);
217 seq_printf(s, " -> %04x %04x %04x %02x\n",
218 le16_to_cpu(hdr.seq), len,
219 le16_to_cpu(hdr.type), hdr.flags);
220 if (len <= MAX_MBOXITEM_SIZE) {
221 unsigned char databuf[MAX_MBOXITEM_SIZE];
222 void __iomem *src = wmi_buffer(wil, d.addr) +
223 sizeof(struct wil6210_mbox_hdr);
225 * No need to check @src for validity -
226 * we already validated @d.addr while
229 wil_memcpy_fromio_32(databuf, src, len);
230 wil_seq_hexdump(s, databuf, len, " : ");
240 static int wil_mbox_debugfs_show(struct seq_file *s, void *data)
242 struct wil6210_priv *wil = s->private;
244 wil_print_ring(s, "tx", wil->csr + HOST_MBOX +
245 offsetof(struct wil6210_mbox_ctl, tx));
246 wil_print_ring(s, "rx", wil->csr + HOST_MBOX +
247 offsetof(struct wil6210_mbox_ctl, rx));
252 static int wil_mbox_seq_open(struct inode *inode, struct file *file)
254 return single_open(file, wil_mbox_debugfs_show, inode->i_private);
257 static const struct file_operations fops_mbox = {
258 .open = wil_mbox_seq_open,
259 .release = single_release,
264 static int wil_debugfs_iomem_x32_set(void *data, u64 val)
266 writel(val, (void __iomem *)data);
267 wmb(); /* make sure write propagated to HW */
272 static int wil_debugfs_iomem_x32_get(void *data, u64 *val)
274 *val = readl((void __iomem *)data);
279 DEFINE_SIMPLE_ATTRIBUTE(fops_iomem_x32, wil_debugfs_iomem_x32_get,
280 wil_debugfs_iomem_x32_set, "0x%08llx\n");
282 static struct dentry *wil_debugfs_create_iomem_x32(const char *name,
284 struct dentry *parent,
287 return debugfs_create_file(name, mode, parent, value,
291 static int wil_debugfs_ulong_set(void *data, u64 val)
293 *(ulong *)data = val;
297 static int wil_debugfs_ulong_get(void *data, u64 *val)
299 *val = *(ulong *)data;
303 DEFINE_SIMPLE_ATTRIBUTE(wil_fops_ulong, wil_debugfs_ulong_get,
304 wil_debugfs_ulong_set, "0x%llx\n");
306 static struct dentry *wil_debugfs_create_ulong(const char *name, umode_t mode,
307 struct dentry *parent,
310 return debugfs_create_file(name, mode, parent, value, &wil_fops_ulong);
314 * wil6210_debugfs_init_offset - create set of debugfs files
315 * @wil - driver's context, used for printing
316 * @dbg - directory on the debugfs, where files will be created
317 * @base - base address used in address calculation
318 * @tbl - table with file descriptions. Should be terminated with empty element.
320 * Creates files accordingly to the @tbl.
322 static void wil6210_debugfs_init_offset(struct wil6210_priv *wil,
323 struct dentry *dbg, void *base,
324 const struct dbg_off * const tbl)
328 for (i = 0; tbl[i].name; i++) {
331 switch (tbl[i].type) {
333 f = debugfs_create_u32(tbl[i].name, tbl[i].mode, dbg,
337 f = debugfs_create_x32(tbl[i].name, tbl[i].mode, dbg,
341 f = wil_debugfs_create_ulong(tbl[i].name, tbl[i].mode,
342 dbg, base + tbl[i].off);
345 f = wil_debugfs_create_iomem_x32(tbl[i].name,
350 f = ERR_PTR(-EINVAL);
352 if (IS_ERR_OR_NULL(f))
353 wil_err(wil, "Create file \"%s\": err %ld\n",
354 tbl[i].name, PTR_ERR(f));
358 static const struct dbg_off isr_off[] = {
359 {"ICC", S_IRUGO | S_IWUSR, offsetof(struct RGF_ICR, ICC), doff_io32},
360 {"ICR", S_IRUGO | S_IWUSR, offsetof(struct RGF_ICR, ICR), doff_io32},
361 {"ICM", S_IRUGO | S_IWUSR, offsetof(struct RGF_ICR, ICM), doff_io32},
362 {"ICS", S_IWUSR, offsetof(struct RGF_ICR, ICS), doff_io32},
363 {"IMV", S_IRUGO | S_IWUSR, offsetof(struct RGF_ICR, IMV), doff_io32},
364 {"IMS", S_IWUSR, offsetof(struct RGF_ICR, IMS), doff_io32},
365 {"IMC", S_IWUSR, offsetof(struct RGF_ICR, IMC), doff_io32},
369 static int wil6210_debugfs_create_ISR(struct wil6210_priv *wil,
371 struct dentry *parent, u32 off)
373 struct dentry *d = debugfs_create_dir(name, parent);
375 if (IS_ERR_OR_NULL(d))
378 wil6210_debugfs_init_offset(wil, d, (void * __force)wil->csr + off,
384 static const struct dbg_off pseudo_isr_off[] = {
385 {"CAUSE", S_IRUGO, HOSTADDR(RGF_DMA_PSEUDO_CAUSE), doff_io32},
386 {"MASK_SW", S_IRUGO, HOSTADDR(RGF_DMA_PSEUDO_CAUSE_MASK_SW), doff_io32},
387 {"MASK_FW", S_IRUGO, HOSTADDR(RGF_DMA_PSEUDO_CAUSE_MASK_FW), doff_io32},
391 static int wil6210_debugfs_create_pseudo_ISR(struct wil6210_priv *wil,
392 struct dentry *parent)
394 struct dentry *d = debugfs_create_dir("PSEUDO_ISR", parent);
396 if (IS_ERR_OR_NULL(d))
399 wil6210_debugfs_init_offset(wil, d, (void * __force)wil->csr,
405 static const struct dbg_off lgc_itr_cnt_off[] = {
406 {"TRSH", S_IRUGO | S_IWUSR, HOSTADDR(RGF_DMA_ITR_CNT_TRSH), doff_io32},
407 {"DATA", S_IRUGO | S_IWUSR, HOSTADDR(RGF_DMA_ITR_CNT_DATA), doff_io32},
408 {"CTL", S_IRUGO | S_IWUSR, HOSTADDR(RGF_DMA_ITR_CNT_CRL), doff_io32},
412 static const struct dbg_off tx_itr_cnt_off[] = {
413 {"TRSH", S_IRUGO | S_IWUSR, HOSTADDR(RGF_DMA_ITR_TX_CNT_TRSH),
415 {"DATA", S_IRUGO | S_IWUSR, HOSTADDR(RGF_DMA_ITR_TX_CNT_DATA),
417 {"CTL", S_IRUGO | S_IWUSR, HOSTADDR(RGF_DMA_ITR_TX_CNT_CTL),
419 {"IDL_TRSH", S_IRUGO | S_IWUSR, HOSTADDR(RGF_DMA_ITR_TX_IDL_CNT_TRSH),
421 {"IDL_DATA", S_IRUGO | S_IWUSR, HOSTADDR(RGF_DMA_ITR_TX_IDL_CNT_DATA),
423 {"IDL_CTL", S_IRUGO | S_IWUSR, HOSTADDR(RGF_DMA_ITR_TX_IDL_CNT_CTL),
428 static const struct dbg_off rx_itr_cnt_off[] = {
429 {"TRSH", S_IRUGO | S_IWUSR, HOSTADDR(RGF_DMA_ITR_RX_CNT_TRSH),
431 {"DATA", S_IRUGO | S_IWUSR, HOSTADDR(RGF_DMA_ITR_RX_CNT_DATA),
433 {"CTL", S_IRUGO | S_IWUSR, HOSTADDR(RGF_DMA_ITR_RX_CNT_CTL),
435 {"IDL_TRSH", S_IRUGO | S_IWUSR, HOSTADDR(RGF_DMA_ITR_RX_IDL_CNT_TRSH),
437 {"IDL_DATA", S_IRUGO | S_IWUSR, HOSTADDR(RGF_DMA_ITR_RX_IDL_CNT_DATA),
439 {"IDL_CTL", S_IRUGO | S_IWUSR, HOSTADDR(RGF_DMA_ITR_RX_IDL_CNT_CTL),
444 static int wil6210_debugfs_create_ITR_CNT(struct wil6210_priv *wil,
445 struct dentry *parent)
447 struct dentry *d, *dtx, *drx;
449 d = debugfs_create_dir("ITR_CNT", parent);
450 if (IS_ERR_OR_NULL(d))
453 dtx = debugfs_create_dir("TX", d);
454 drx = debugfs_create_dir("RX", d);
455 if (IS_ERR_OR_NULL(dtx) || IS_ERR_OR_NULL(drx))
458 wil6210_debugfs_init_offset(wil, d, (void * __force)wil->csr,
461 wil6210_debugfs_init_offset(wil, dtx, (void * __force)wil->csr,
464 wil6210_debugfs_init_offset(wil, drx, (void * __force)wil->csr,
469 static int wil_memread_debugfs_show(struct seq_file *s, void *data)
471 struct wil6210_priv *wil = s->private;
472 void __iomem *a = wmi_buffer(wil, cpu_to_le32(mem_addr));
475 seq_printf(s, "[0x%08x] = 0x%08x\n", mem_addr, readl(a));
477 seq_printf(s, "[0x%08x] = INVALID\n", mem_addr);
482 static int wil_memread_seq_open(struct inode *inode, struct file *file)
484 return single_open(file, wil_memread_debugfs_show, inode->i_private);
487 static const struct file_operations fops_memread = {
488 .open = wil_memread_seq_open,
489 .release = single_release,
494 static ssize_t wil_read_file_ioblob(struct file *file, char __user *user_buf,
495 size_t count, loff_t *ppos)
497 enum { max_count = 4096 };
498 struct debugfs_blob_wrapper *blob = file->private_data;
500 size_t available = blob->size;
507 if (pos >= available || !count)
510 if (count > available - pos)
511 count = available - pos;
512 if (count > max_count)
515 buf = kmalloc(count, GFP_KERNEL);
519 wil_memcpy_fromio_32(buf, (const volatile void __iomem *)blob->data +
522 ret = copy_to_user(user_buf, buf, count);
533 static const struct file_operations fops_ioblob = {
534 .read = wil_read_file_ioblob,
536 .llseek = default_llseek,
540 struct dentry *wil_debugfs_create_ioblob(const char *name,
542 struct dentry *parent,
543 struct debugfs_blob_wrapper *blob)
545 return debugfs_create_file(name, mode, parent, blob, &fops_ioblob);
549 static ssize_t wil_write_file_reset(struct file *file, const char __user *buf,
550 size_t len, loff_t *ppos)
552 struct wil6210_priv *wil = file->private_data;
553 struct net_device *ndev = wil_to_ndev(wil);
557 * this code does NOT sync device state with the rest of system
558 * use with care, debug only!!!
562 ndev->flags &= ~IFF_UP;
564 wil_reset(wil, true);
569 static const struct file_operations fops_reset = {
570 .write = wil_write_file_reset,
574 /*---write channel 1..4 to rxon for it, 0 to rxoff---*/
575 static ssize_t wil_write_file_rxon(struct file *file, const char __user *buf,
576 size_t len, loff_t *ppos)
578 struct wil6210_priv *wil = file->private_data;
583 char *kbuf = kmalloc(len + 1, GFP_KERNEL);
587 if (copy_from_user(kbuf, buf, len)) {
593 rc = kstrtol(kbuf, 0, &channel);
598 if ((channel < 0) || (channel > 4)) {
599 wil_err(wil, "Invalid channel %ld\n", channel);
605 rc = wmi_set_channel(wil, (int)channel);
610 rc = wmi_rxon(wil, on);
617 static const struct file_operations fops_rxon = {
618 .write = wil_write_file_rxon,
622 /* block ack control, write:
623 * - "add <ringid> <agg_size> <timeout>" to trigger ADDBA
624 * - "del_tx <ringid> <reason>" to trigger DELBA for Tx side
625 * - "del_rx <CID> <TID> <reason>" to trigger DELBA for Rx side
627 static ssize_t wil_write_back(struct file *file, const char __user *buf,
628 size_t len, loff_t *ppos)
630 struct wil6210_priv *wil = file->private_data;
632 char *kbuf = kmalloc(len + 1, GFP_KERNEL);
639 rc = simple_write_to_buffer(kbuf, len, ppos, buf, len);
642 return rc >= 0 ? -EIO : rc;
646 rc = sscanf(kbuf, "%8s %d %d %d", cmd, &p1, &p2, &p3);
654 if (0 == strcmp(cmd, "add")) {
656 wil_err(wil, "BACK: add require at least 2 params\n");
661 wmi_addba(wil, p1, p2, p3);
662 } else if (0 == strcmp(cmd, "del_tx")) {
664 p2 = WLAN_REASON_QSTA_LEAVE_QBSS;
665 wmi_delba_tx(wil, p1, p2);
666 } else if (0 == strcmp(cmd, "del_rx")) {
669 "BACK: del_rx require at least 2 params\n");
673 p3 = WLAN_REASON_QSTA_LEAVE_QBSS;
674 wmi_delba_rx(wil, mk_cidxtid(p1, p2), p3);
676 wil_err(wil, "BACK: Unrecognized command \"%s\"\n", cmd);
683 static ssize_t wil_read_back(struct file *file, char __user *user_buf,
684 size_t count, loff_t *ppos)
686 static const char text[] = "block ack control, write:\n"
687 " - \"add <ringid> <agg_size> <timeout>\" to trigger ADDBA\n"
688 "If missing, <timeout> defaults to 0\n"
689 " - \"del_tx <ringid> <reason>\" to trigger DELBA for Tx side\n"
690 " - \"del_rx <CID> <TID> <reason>\" to trigger DELBA for Rx side\n"
691 "If missing, <reason> set to \"STA_LEAVING\" (36)\n";
693 return simple_read_from_buffer(user_buf, count, ppos, text,
697 static const struct file_operations fops_back = {
698 .read = wil_read_back,
699 .write = wil_write_back,
703 /* pmc control, write:
704 * - "alloc <num descriptors> <descriptor_size>" to allocate PMC
705 * - "free" to release memory allocated for PMC
707 static ssize_t wil_write_pmccfg(struct file *file, const char __user *buf,
708 size_t len, loff_t *ppos)
710 struct wil6210_priv *wil = file->private_data;
712 char *kbuf = kmalloc(len + 1, GFP_KERNEL);
714 int num_descs, desc_size;
719 rc = simple_write_to_buffer(kbuf, len, ppos, buf, len);
722 return rc >= 0 ? -EIO : rc;
726 rc = sscanf(kbuf, "%8s %d %d", cmd, &num_descs, &desc_size);
733 wil_err(wil, "pmccfg: no params given\n");
737 if (0 == strcmp(cmd, "alloc")) {
739 wil_err(wil, "pmccfg: alloc requires 2 params\n");
742 wil_pmc_alloc(wil, num_descs, desc_size);
743 } else if (0 == strcmp(cmd, "free")) {
745 wil_err(wil, "pmccfg: free does not have any params\n");
748 wil_pmc_free(wil, true);
750 wil_err(wil, "pmccfg: Unrecognized command \"%s\"\n", cmd);
757 static ssize_t wil_read_pmccfg(struct file *file, char __user *user_buf,
758 size_t count, loff_t *ppos)
760 struct wil6210_priv *wil = file->private_data;
762 char help[] = "pmc control, write:\n"
763 " - \"alloc <num descriptors> <descriptor_size>\" to allocate pmc\n"
764 " - \"free\" to free memory allocated for pmc\n";
766 sprintf(text, "Last command status: %d\n\n%s",
767 wil_pmc_last_cmd_status(wil),
770 return simple_read_from_buffer(user_buf, count, ppos, text,
774 static const struct file_operations fops_pmccfg = {
775 .read = wil_read_pmccfg,
776 .write = wil_write_pmccfg,
780 static const struct file_operations fops_pmcdata = {
782 .read = wil_pmc_read,
783 .llseek = wil_pmc_llseek,
787 /* Write mgmt frame to this file to send it */
788 static ssize_t wil_write_file_txmgmt(struct file *file, const char __user *buf,
789 size_t len, loff_t *ppos)
791 struct wil6210_priv *wil = file->private_data;
792 struct wiphy *wiphy = wil_to_wiphy(wil);
793 struct wireless_dev *wdev = wil_to_wdev(wil);
794 struct cfg80211_mgmt_tx_params params;
796 void *frame = kmalloc(len, GFP_KERNEL);
801 if (copy_from_user(frame, buf, len)) {
808 params.chan = wdev->preset_chandef.chan;
810 rc = wil_cfg80211_mgmt_tx(wiphy, wdev, ¶ms, NULL);
813 wil_info(wil, "%s() -> %d\n", __func__, rc);
818 static const struct file_operations fops_txmgmt = {
819 .write = wil_write_file_txmgmt,
823 /* Write WMI command (w/o mbox header) to this file to send it
824 * WMI starts from wil6210_mbox_hdr_wmi header
826 static ssize_t wil_write_file_wmi(struct file *file, const char __user *buf,
827 size_t len, loff_t *ppos)
829 struct wil6210_priv *wil = file->private_data;
830 struct wil6210_mbox_hdr_wmi *wmi;
832 int cmdlen = len - sizeof(struct wil6210_mbox_hdr_wmi);
839 wmi = kmalloc(len, GFP_KERNEL);
843 rc = simple_write_to_buffer(wmi, len, ppos, buf, len);
850 cmdid = le16_to_cpu(wmi->id);
852 rc1 = wmi_send(wil, cmdid, cmd, cmdlen);
855 wil_info(wil, "%s(0x%04x[%d]) -> %d\n", __func__, cmdid, cmdlen, rc1);
860 static const struct file_operations fops_wmi = {
861 .write = wil_write_file_wmi,
865 static void wil_seq_print_skb(struct seq_file *s, struct sk_buff *skb)
868 int len = skb_headlen(skb);
870 int nr_frags = skb_shinfo(skb)->nr_frags;
872 seq_printf(s, " len = %d\n", len);
873 wil_seq_hexdump(s, p, len, " : ");
876 seq_printf(s, " nr_frags = %d\n", nr_frags);
877 for (i = 0; i < nr_frags; i++) {
878 const struct skb_frag_struct *frag =
879 &skb_shinfo(skb)->frags[i];
881 len = skb_frag_size(frag);
882 p = skb_frag_address_safe(frag);
883 seq_printf(s, " [%2d] : len = %d\n", i, len);
884 wil_seq_hexdump(s, p, len, " : ");
889 /*---------Tx/Rx descriptor------------*/
890 static int wil_txdesc_debugfs_show(struct seq_file *s, void *data)
892 struct wil6210_priv *wil = s->private;
894 bool tx = (dbg_vring_index < WIL6210_MAX_TX_RINGS);
896 vring = tx ? &wil->vring_tx[dbg_vring_index] : &wil->vring_rx;
900 seq_printf(s, "No Tx[%2d] VRING\n", dbg_vring_index);
902 seq_puts(s, "No Rx VRING\n");
906 if (dbg_txdesc_index < vring->size) {
907 /* use struct vring_tx_desc for Rx as well,
908 * only field used, .dma.length, is the same
910 volatile struct vring_tx_desc *d =
911 &vring->va[dbg_txdesc_index].tx;
912 volatile u32 *u = (volatile u32 *)d;
913 struct sk_buff *skb = vring->ctx[dbg_txdesc_index].skb;
916 seq_printf(s, "Tx[%2d][%3d] = {\n", dbg_vring_index,
919 seq_printf(s, "Rx[%3d] = {\n", dbg_txdesc_index);
920 seq_printf(s, " MAC = 0x%08x 0x%08x 0x%08x 0x%08x\n",
921 u[0], u[1], u[2], u[3]);
922 seq_printf(s, " DMA = 0x%08x 0x%08x 0x%08x 0x%08x\n",
923 u[4], u[5], u[6], u[7]);
924 seq_printf(s, " SKB = 0x%p\n", skb);
928 wil_seq_print_skb(s, skb);
934 seq_printf(s, "[%2d] TxDesc index (%d) >= size (%d)\n",
935 dbg_vring_index, dbg_txdesc_index,
938 seq_printf(s, "RxDesc index (%d) >= size (%d)\n",
939 dbg_txdesc_index, vring->size);
945 static int wil_txdesc_seq_open(struct inode *inode, struct file *file)
947 return single_open(file, wil_txdesc_debugfs_show, inode->i_private);
950 static const struct file_operations fops_txdesc = {
951 .open = wil_txdesc_seq_open,
952 .release = single_release,
957 /*---------beamforming------------*/
958 static char *wil_bfstatus_str(u32 status)
972 static bool is_all_zeros(void * const x_, size_t sz)
974 /* if reply is all-0, ignore this CID */
978 for (n = 0; n < sz / sizeof(*x); n++)
985 static int wil_bf_debugfs_show(struct seq_file *s, void *data)
989 struct wil6210_priv *wil = s->private;
990 struct wmi_notify_req_cmd cmd = {
994 struct wil6210_mbox_hdr_wmi wmi;
995 struct wmi_notify_req_done_event evt;
998 for (i = 0; i < ARRAY_SIZE(wil->sta); i++) {
1002 rc = wmi_call(wil, WMI_NOTIFY_REQ_CMDID, &cmd, sizeof(cmd),
1003 WMI_NOTIFY_REQ_DONE_EVENTID, &reply,
1005 /* if reply is all-0, ignore this CID */
1006 if (rc || is_all_zeros(&reply.evt, sizeof(reply.evt)))
1009 status = le32_to_cpu(reply.evt.status);
1010 seq_printf(s, "CID %d {\n"
1011 " TSF = 0x%016llx\n"
1012 " TxMCS = %2d TxTpt = %4d\n"
1014 " Status = 0x%08x %s\n"
1015 " Sectors(rx:tx) my %2d:%2d peer %2d:%2d\n"
1016 " Goodput(rx:tx) %4d:%4d\n"
1019 le64_to_cpu(reply.evt.tsf),
1020 le16_to_cpu(reply.evt.bf_mcs),
1021 le32_to_cpu(reply.evt.tx_tpt),
1023 status, wil_bfstatus_str(status),
1024 le16_to_cpu(reply.evt.my_rx_sector),
1025 le16_to_cpu(reply.evt.my_tx_sector),
1026 le16_to_cpu(reply.evt.other_rx_sector),
1027 le16_to_cpu(reply.evt.other_tx_sector),
1028 le32_to_cpu(reply.evt.rx_goodput),
1029 le32_to_cpu(reply.evt.tx_goodput));
1034 static int wil_bf_seq_open(struct inode *inode, struct file *file)
1036 return single_open(file, wil_bf_debugfs_show, inode->i_private);
1039 static const struct file_operations fops_bf = {
1040 .open = wil_bf_seq_open,
1041 .release = single_release,
1043 .llseek = seq_lseek,
1046 /*---------SSID------------*/
1047 static ssize_t wil_read_file_ssid(struct file *file, char __user *user_buf,
1048 size_t count, loff_t *ppos)
1050 struct wil6210_priv *wil = file->private_data;
1051 struct wireless_dev *wdev = wil_to_wdev(wil);
1053 return simple_read_from_buffer(user_buf, count, ppos,
1054 wdev->ssid, wdev->ssid_len);
1057 static ssize_t wil_write_file_ssid(struct file *file, const char __user *buf,
1058 size_t count, loff_t *ppos)
1060 struct wil6210_priv *wil = file->private_data;
1061 struct wireless_dev *wdev = wil_to_wdev(wil);
1062 struct net_device *ndev = wil_to_ndev(wil);
1065 wil_err(wil, "Unable to set SSID substring from [%d]\n",
1070 if (count > sizeof(wdev->ssid)) {
1071 wil_err(wil, "SSID too long, len = %d\n", (int)count);
1074 if (netif_running(ndev)) {
1075 wil_err(wil, "Unable to change SSID on running interface\n");
1079 wdev->ssid_len = count;
1080 return simple_write_to_buffer(wdev->ssid, wdev->ssid_len, ppos,
1084 static const struct file_operations fops_ssid = {
1085 .read = wil_read_file_ssid,
1086 .write = wil_write_file_ssid,
1087 .open = simple_open,
1090 /*---------temp------------*/
1091 static void print_temp(struct seq_file *s, const char *prefix, u32 t)
1096 seq_printf(s, "%s N/A\n", prefix);
1099 seq_printf(s, "%s %d.%03d\n", prefix, t / 1000, t % 1000);
1104 static int wil_temp_debugfs_show(struct seq_file *s, void *data)
1106 struct wil6210_priv *wil = s->private;
1108 int rc = wmi_get_temperature(wil, &t_m, &t_r);
1111 seq_puts(s, "Failed\n");
1115 print_temp(s, "T_mac =", t_m);
1116 print_temp(s, "T_radio =", t_r);
1121 static int wil_temp_seq_open(struct inode *inode, struct file *file)
1123 return single_open(file, wil_temp_debugfs_show, inode->i_private);
1126 static const struct file_operations fops_temp = {
1127 .open = wil_temp_seq_open,
1128 .release = single_release,
1130 .llseek = seq_lseek,
1133 /*---------freq------------*/
1134 static int wil_freq_debugfs_show(struct seq_file *s, void *data)
1136 struct wil6210_priv *wil = s->private;
1137 struct wireless_dev *wdev = wil_to_wdev(wil);
1138 u16 freq = wdev->chandef.chan ? wdev->chandef.chan->center_freq : 0;
1140 seq_printf(s, "Freq = %d\n", freq);
1145 static int wil_freq_seq_open(struct inode *inode, struct file *file)
1147 return single_open(file, wil_freq_debugfs_show, inode->i_private);
1150 static const struct file_operations fops_freq = {
1151 .open = wil_freq_seq_open,
1152 .release = single_release,
1154 .llseek = seq_lseek,
1157 /*---------link------------*/
1158 static int wil_link_debugfs_show(struct seq_file *s, void *data)
1160 struct wil6210_priv *wil = s->private;
1161 struct station_info sinfo;
1164 for (i = 0; i < ARRAY_SIZE(wil->sta); i++) {
1165 struct wil_sta_info *p = &wil->sta[i];
1166 char *status = "unknown";
1168 switch (p->status) {
1169 case wil_sta_unused:
1172 case wil_sta_conn_pending:
1173 status = "pending ";
1175 case wil_sta_connected:
1176 status = "connected";
1179 seq_printf(s, "[%d] %pM %s\n", i, p->addr, status);
1181 if (p->status == wil_sta_connected) {
1182 rc = wil_cid_fill_sinfo(wil, i, &sinfo);
1186 seq_printf(s, " Tx_mcs = %d\n", sinfo.txrate.mcs);
1187 seq_printf(s, " Rx_mcs = %d\n", sinfo.rxrate.mcs);
1188 seq_printf(s, " SQ = %d\n", sinfo.signal);
1195 static int wil_link_seq_open(struct inode *inode, struct file *file)
1197 return single_open(file, wil_link_debugfs_show, inode->i_private);
1200 static const struct file_operations fops_link = {
1201 .open = wil_link_seq_open,
1202 .release = single_release,
1204 .llseek = seq_lseek,
1207 /*---------info------------*/
1208 static int wil_info_debugfs_show(struct seq_file *s, void *data)
1210 struct wil6210_priv *wil = s->private;
1211 struct net_device *ndev = wil_to_ndev(wil);
1212 int is_ac = power_supply_is_system_supplied();
1213 int rx = atomic_xchg(&wil->isr_count_rx, 0);
1214 int tx = atomic_xchg(&wil->isr_count_tx, 0);
1215 static ulong rxf_old, txf_old;
1216 ulong rxf = ndev->stats.rx_packets;
1217 ulong txf = ndev->stats.tx_packets;
1220 /* >0 : AC; 0 : battery; <0 : error */
1221 seq_printf(s, "AC powered : %d\n", is_ac);
1222 seq_printf(s, "Rx irqs:packets : %8d : %8ld\n", rx, rxf - rxf_old);
1223 seq_printf(s, "Tx irqs:packets : %8d : %8ld\n", tx, txf - txf_old);
1227 #define CHECK_QSTATE(x) (state & BIT(__QUEUE_STATE_ ## x)) ? \
1228 " " __stringify(x) : ""
1230 for (i = 0; i < ndev->num_tx_queues; i++) {
1231 struct netdev_queue *txq = netdev_get_tx_queue(ndev, i);
1232 unsigned long state = txq->state;
1234 seq_printf(s, "Tx queue[%i] state : 0x%lx%s%s%s\n", i, state,
1235 CHECK_QSTATE(DRV_XOFF),
1236 CHECK_QSTATE(STACK_XOFF),
1237 CHECK_QSTATE(FROZEN)
1244 static int wil_info_seq_open(struct inode *inode, struct file *file)
1246 return single_open(file, wil_info_debugfs_show, inode->i_private);
1249 static const struct file_operations fops_info = {
1250 .open = wil_info_seq_open,
1251 .release = single_release,
1253 .llseek = seq_lseek,
1256 /*---------recovery------------*/
1257 /* mode = [manual|auto]
1258 * state = [idle|pending|running]
1260 static ssize_t wil_read_file_recovery(struct file *file, char __user *user_buf,
1261 size_t count, loff_t *ppos)
1263 struct wil6210_priv *wil = file->private_data;
1266 static const char * const sstate[] = {"idle", "pending", "running"};
1268 n = snprintf(buf, sizeof(buf), "mode = %s\nstate = %s\n",
1269 no_fw_recovery ? "manual" : "auto",
1270 sstate[wil->recovery_state]);
1272 n = min_t(int, n, sizeof(buf));
1274 return simple_read_from_buffer(user_buf, count, ppos,
1278 static ssize_t wil_write_file_recovery(struct file *file,
1279 const char __user *buf_,
1280 size_t count, loff_t *ppos)
1282 struct wil6210_priv *wil = file->private_data;
1283 static const char run_command[] = "run";
1284 char buf[sizeof(run_command) + 1]; /* to detect "runx" */
1287 if (wil->recovery_state != fw_recovery_pending) {
1288 wil_err(wil, "No recovery pending\n");
1293 wil_err(wil, "Offset [%d]\n", (int)*ppos);
1297 if (count > sizeof(buf)) {
1298 wil_err(wil, "Input too long, len = %d\n", (int)count);
1302 rc = simple_write_to_buffer(buf, sizeof(buf) - 1, ppos, buf_, count);
1307 if (0 == strcmp(buf, run_command))
1308 wil_set_recovery_state(wil, fw_recovery_running);
1310 wil_err(wil, "Bad recovery command \"%s\"\n", buf);
1315 static const struct file_operations fops_recovery = {
1316 .read = wil_read_file_recovery,
1317 .write = wil_write_file_recovery,
1318 .open = simple_open,
1321 /*---------Station matrix------------*/
1322 static void wil_print_rxtid(struct seq_file *s, struct wil_tid_ampdu_rx *r)
1325 u16 index = ((r->head_seq_num - r->ssn) & 0xfff) % r->buf_size;
1326 unsigned long long drop_dup = r->drop_dup, drop_old = r->drop_old;
1328 seq_printf(s, "([%2d] %3d TU) 0x%03x [", r->buf_size, r->timeout,
1330 for (i = 0; i < r->buf_size; i++) {
1332 seq_printf(s, "%c", r->reorder_buf[i] ? 'O' : '|');
1334 seq_printf(s, "%c", r->reorder_buf[i] ? '*' : '_');
1337 "] total %llu drop %llu (dup %llu + old %llu) last 0x%03x\n",
1338 r->total, drop_dup + drop_old, drop_dup, drop_old,
1342 static int wil_sta_debugfs_show(struct seq_file *s, void *data)
1343 __acquires(&p->tid_rx_lock) __releases(&p->tid_rx_lock)
1345 struct wil6210_priv *wil = s->private;
1348 for (i = 0; i < ARRAY_SIZE(wil->sta); i++) {
1349 struct wil_sta_info *p = &wil->sta[i];
1350 char *status = "unknown";
1352 switch (p->status) {
1353 case wil_sta_unused:
1356 case wil_sta_conn_pending:
1357 status = "pending ";
1359 case wil_sta_connected:
1360 status = "connected";
1363 seq_printf(s, "[%d] %pM %s\n", i, p->addr, status);
1365 if (p->status == wil_sta_connected) {
1366 spin_lock_bh(&p->tid_rx_lock);
1367 for (tid = 0; tid < WIL_STA_TID_NUM; tid++) {
1368 struct wil_tid_ampdu_rx *r = p->tid_rx[tid];
1371 seq_printf(s, "[%2d] ", tid);
1372 wil_print_rxtid(s, r);
1375 spin_unlock_bh(&p->tid_rx_lock);
1377 "Rx invalid frame: non-data %lu, short %lu, large %lu\n",
1378 p->stats.rx_non_data_frame,
1379 p->stats.rx_short_frame,
1380 p->stats.rx_large_frame);
1382 seq_puts(s, "Rx/MCS:");
1383 for (mcs = 0; mcs < ARRAY_SIZE(p->stats.rx_per_mcs);
1385 seq_printf(s, " %lld",
1386 p->stats.rx_per_mcs[mcs]);
1394 static int wil_sta_seq_open(struct inode *inode, struct file *file)
1396 return single_open(file, wil_sta_debugfs_show, inode->i_private);
1399 static const struct file_operations fops_sta = {
1400 .open = wil_sta_seq_open,
1401 .release = single_release,
1403 .llseek = seq_lseek,
1406 /*----------------*/
1407 static void wil6210_debugfs_init_blobs(struct wil6210_priv *wil,
1413 for (i = 0; i < ARRAY_SIZE(fw_mapping); i++) {
1414 struct debugfs_blob_wrapper *blob = &wil->blobs[i];
1415 const struct fw_map *map = &fw_mapping[i];
1420 blob->data = (void * __force)wil->csr + HOSTADDR(map->host);
1421 blob->size = map->to - map->from;
1422 snprintf(name, sizeof(name), "blob_%s", map->name);
1423 wil_debugfs_create_ioblob(name, S_IRUGO, dbg, blob);
1428 static const struct {
1431 const struct file_operations *fops;
1433 {"mbox", S_IRUGO, &fops_mbox},
1434 {"vrings", S_IRUGO, &fops_vring},
1435 {"stations", S_IRUGO, &fops_sta},
1436 {"desc", S_IRUGO, &fops_txdesc},
1437 {"bf", S_IRUGO, &fops_bf},
1438 {"ssid", S_IRUGO | S_IWUSR, &fops_ssid},
1439 {"mem_val", S_IRUGO, &fops_memread},
1440 {"reset", S_IWUSR, &fops_reset},
1441 {"rxon", S_IWUSR, &fops_rxon},
1442 {"tx_mgmt", S_IWUSR, &fops_txmgmt},
1443 {"wmi_send", S_IWUSR, &fops_wmi},
1444 {"back", S_IRUGO | S_IWUSR, &fops_back},
1445 {"pmccfg", S_IRUGO | S_IWUSR, &fops_pmccfg},
1446 {"pmcdata", S_IRUGO, &fops_pmcdata},
1447 {"temp", S_IRUGO, &fops_temp},
1448 {"freq", S_IRUGO, &fops_freq},
1449 {"link", S_IRUGO, &fops_link},
1450 {"info", S_IRUGO, &fops_info},
1451 {"recovery", S_IRUGO | S_IWUSR, &fops_recovery},
1454 static void wil6210_debugfs_init_files(struct wil6210_priv *wil,
1459 for (i = 0; i < ARRAY_SIZE(dbg_files); i++)
1460 debugfs_create_file(dbg_files[i].name, dbg_files[i].mode, dbg,
1461 wil, dbg_files[i].fops);
1464 /* interrupt control blocks */
1465 static const struct {
1469 {"USER_ICR", HOSTADDR(RGF_USER_USER_ICR)},
1470 {"DMA_EP_TX_ICR", HOSTADDR(RGF_DMA_EP_TX_ICR)},
1471 {"DMA_EP_RX_ICR", HOSTADDR(RGF_DMA_EP_RX_ICR)},
1472 {"DMA_EP_MISC_ICR", HOSTADDR(RGF_DMA_EP_MISC_ICR)},
1475 static void wil6210_debugfs_init_isr(struct wil6210_priv *wil,
1480 for (i = 0; i < ARRAY_SIZE(dbg_icr); i++)
1481 wil6210_debugfs_create_ISR(wil, dbg_icr[i].name, dbg,
1482 dbg_icr[i].icr_off);
1485 #define WIL_FIELD(name, mode, type) { __stringify(name), mode, \
1486 offsetof(struct wil6210_priv, name), type}
1488 /* fields in struct wil6210_priv */
1489 static const struct dbg_off dbg_wil_off[] = {
1490 WIL_FIELD(privacy, S_IRUGO, doff_u32),
1491 WIL_FIELD(status[0], S_IRUGO | S_IWUSR, doff_ulong),
1492 WIL_FIELD(fw_version, S_IRUGO, doff_u32),
1493 WIL_FIELD(hw_version, S_IRUGO, doff_x32),
1494 WIL_FIELD(recovery_count, S_IRUGO, doff_u32),
1495 WIL_FIELD(ap_isolate, S_IRUGO, doff_u32),
1499 static const struct dbg_off dbg_wil_regs[] = {
1500 {"RGF_MAC_MTRL_COUNTER_0", S_IRUGO, HOSTADDR(RGF_MAC_MTRL_COUNTER_0),
1502 {"RGF_USER_USAGE_1", S_IRUGO, HOSTADDR(RGF_USER_USAGE_1), doff_io32},
1506 /* static parameters */
1507 static const struct dbg_off dbg_statics[] = {
1508 {"desc_index", S_IRUGO | S_IWUSR, (ulong)&dbg_txdesc_index, doff_u32},
1509 {"vring_index", S_IRUGO | S_IWUSR, (ulong)&dbg_vring_index, doff_u32},
1510 {"mem_addr", S_IRUGO | S_IWUSR, (ulong)&mem_addr, doff_u32},
1511 {"vring_idle_trsh", S_IRUGO | S_IWUSR, (ulong)&vring_idle_trsh,
1516 int wil6210_debugfs_init(struct wil6210_priv *wil)
1518 struct dentry *dbg = wil->debug = debugfs_create_dir(WIL_NAME,
1519 wil_to_wiphy(wil)->debugfsdir);
1521 if (IS_ERR_OR_NULL(dbg))
1526 wil6210_debugfs_init_files(wil, dbg);
1527 wil6210_debugfs_init_isr(wil, dbg);
1528 wil6210_debugfs_init_blobs(wil, dbg);
1529 wil6210_debugfs_init_offset(wil, dbg, wil, dbg_wil_off);
1530 wil6210_debugfs_init_offset(wil, dbg, (void * __force)wil->csr,
1532 wil6210_debugfs_init_offset(wil, dbg, NULL, dbg_statics);
1534 wil6210_debugfs_create_pseudo_ISR(wil, dbg);
1536 wil6210_debugfs_create_ITR_CNT(wil, dbg);
1541 void wil6210_debugfs_remove(struct wil6210_priv *wil)
1543 debugfs_remove_recursive(wil->debug);
1546 /* free pmc memory without sending command to fw, as it will
1547 * be reset on the way down anyway
1549 wil_pmc_free(wil, false);