2 * Copyright (c) 2012-2014 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>
28 /* Nasty hack. Better have per device instances */
30 static u32 dbg_txdesc_index
;
31 static u32 dbg_vring_index
; /* 24+ for Rx, 0..23 for Tx */
45 enum dbg_off_type type
;
48 static void wil_print_vring(struct seq_file
*s
, struct wil6210_priv
*wil
,
49 const char *name
, struct vring
*vring
,
52 void __iomem
*x
= wmi_addr(wil
, vring
->hwtail
);
54 seq_printf(s
, "VRING %s = {\n", name
);
55 seq_printf(s
, " pa = %pad\n", &vring
->pa
);
56 seq_printf(s
, " va = 0x%p\n", vring
->va
);
57 seq_printf(s
, " size = %d\n", vring
->size
);
58 seq_printf(s
, " swtail = %d\n", vring
->swtail
);
59 seq_printf(s
, " swhead = %d\n", vring
->swhead
);
60 seq_printf(s
, " hwtail = [0x%08x] -> ", vring
->hwtail
);
62 seq_printf(s
, "0x%08x\n", ioread32(x
));
66 if (vring
->va
&& (vring
->size
< 1025)) {
69 for (i
= 0; i
< vring
->size
; i
++) {
70 volatile struct vring_tx_desc
*d
= &vring
->va
[i
].tx
;
72 if ((i
% 64) == 0 && (i
!= 0))
74 seq_printf(s
, "%c", (d
->dma
.status
& BIT(0)) ?
75 _s
: (vring
->ctx
[i
].skb
? _h
: 'h'));
82 static int wil_vring_debugfs_show(struct seq_file
*s
, void *data
)
85 struct wil6210_priv
*wil
= s
->private;
87 wil_print_vring(s
, wil
, "rx", &wil
->vring_rx
, 'S', '_');
89 for (i
= 0; i
< ARRAY_SIZE(wil
->vring_tx
); i
++) {
90 struct vring
*vring
= &wil
->vring_tx
[i
];
91 struct vring_tx_data
*txdata
= &wil
->vring_tx_data
[i
];
94 int cid
= wil
->vring2cid_tid
[i
][0];
95 int tid
= wil
->vring2cid_tid
[i
][1];
96 u32 swhead
= vring
->swhead
;
97 u32 swtail
= vring
->swtail
;
98 int used
= (vring
->size
+ swhead
- swtail
)
100 int avail
= vring
->size
- used
- 1;
102 /* performance monitoring */
103 cycles_t now
= get_cycles();
104 cycles_t idle
= txdata
->idle
* 100;
105 cycles_t total
= now
- txdata
->begin
;
111 snprintf(name
, sizeof(name
), "tx_%2d", i
);
113 seq_printf(s
, "\n%pM CID %d TID %d [%3d|%3d] idle %3d%%\n",
114 wil
->sta
[cid
].addr
, cid
, tid
, used
, avail
,
117 wil_print_vring(s
, wil
, name
, vring
, '_', 'H');
124 static int wil_vring_seq_open(struct inode
*inode
, struct file
*file
)
126 return single_open(file
, wil_vring_debugfs_show
, inode
->i_private
);
129 static const struct file_operations fops_vring
= {
130 .open
= wil_vring_seq_open
,
131 .release
= single_release
,
136 static void wil_print_ring(struct seq_file
*s
, const char *prefix
,
139 struct wil6210_priv
*wil
= s
->private;
140 struct wil6210_mbox_ring r
;
144 wil_memcpy_fromio_32(&r
, off
, sizeof(r
));
145 wil_mbox_ring_le2cpus(&r
);
147 * we just read memory block from NIC. This memory may be
148 * garbage. Check validity before using it.
150 rsize
= r
.size
/ sizeof(struct wil6210_mbox_ring_desc
);
152 seq_printf(s
, "ring %s = {\n", prefix
);
153 seq_printf(s
, " base = 0x%08x\n", r
.base
);
154 seq_printf(s
, " size = 0x%04x bytes -> %d entries\n", r
.size
, rsize
);
155 seq_printf(s
, " tail = 0x%08x\n", r
.tail
);
156 seq_printf(s
, " head = 0x%08x\n", r
.head
);
157 seq_printf(s
, " entry size = %d\n", r
.entry_size
);
159 if (r
.size
% sizeof(struct wil6210_mbox_ring_desc
)) {
160 seq_printf(s
, " ??? size is not multiple of %zd, garbage?\n",
161 sizeof(struct wil6210_mbox_ring_desc
));
165 if (!wmi_addr(wil
, r
.base
) ||
166 !wmi_addr(wil
, r
.tail
) ||
167 !wmi_addr(wil
, r
.head
)) {
168 seq_puts(s
, " ??? pointers are garbage?\n");
172 for (i
= 0; i
< rsize
; i
++) {
173 struct wil6210_mbox_ring_desc d
;
174 struct wil6210_mbox_hdr hdr
;
175 size_t delta
= i
* sizeof(d
);
176 void __iomem
*x
= wil
->csr
+ HOSTADDR(r
.base
) + delta
;
178 wil_memcpy_fromio_32(&d
, x
, sizeof(d
));
180 seq_printf(s
, " [%2x] %s %s%s 0x%08x", i
,
182 (r
.tail
- r
.base
== delta
) ? "t" : " ",
183 (r
.head
- r
.base
== delta
) ? "h" : " ",
184 le32_to_cpu(d
.addr
));
185 if (0 == wmi_read_hdr(wil
, d
.addr
, &hdr
)) {
186 u16 len
= le16_to_cpu(hdr
.len
);
188 seq_printf(s
, " -> %04x %04x %04x %02x\n",
189 le16_to_cpu(hdr
.seq
), len
,
190 le16_to_cpu(hdr
.type
), hdr
.flags
);
191 if (len
<= MAX_MBOXITEM_SIZE
) {
193 char printbuf
[16 * 3 + 2];
194 unsigned char databuf
[MAX_MBOXITEM_SIZE
];
195 void __iomem
*src
= wmi_buffer(wil
, d
.addr
) +
196 sizeof(struct wil6210_mbox_hdr
);
198 * No need to check @src for validity -
199 * we already validated @d.addr while
202 wil_memcpy_fromio_32(databuf
, src
, len
);
204 int l
= min(len
- n
, 16);
206 hex_dump_to_buffer(databuf
+ n
, l
,
210 seq_printf(s
, " : %s\n", printbuf
);
222 static int wil_mbox_debugfs_show(struct seq_file
*s
, void *data
)
224 struct wil6210_priv
*wil
= s
->private;
226 wil_print_ring(s
, "tx", wil
->csr
+ HOST_MBOX
+
227 offsetof(struct wil6210_mbox_ctl
, tx
));
228 wil_print_ring(s
, "rx", wil
->csr
+ HOST_MBOX
+
229 offsetof(struct wil6210_mbox_ctl
, rx
));
234 static int wil_mbox_seq_open(struct inode
*inode
, struct file
*file
)
236 return single_open(file
, wil_mbox_debugfs_show
, inode
->i_private
);
239 static const struct file_operations fops_mbox
= {
240 .open
= wil_mbox_seq_open
,
241 .release
= single_release
,
246 static int wil_debugfs_iomem_x32_set(void *data
, u64 val
)
248 iowrite32(val
, (void __iomem
*)data
);
249 wmb(); /* make sure write propagated to HW */
254 static int wil_debugfs_iomem_x32_get(void *data
, u64
*val
)
256 *val
= ioread32((void __iomem
*)data
);
261 DEFINE_SIMPLE_ATTRIBUTE(fops_iomem_x32
, wil_debugfs_iomem_x32_get
,
262 wil_debugfs_iomem_x32_set
, "0x%08llx\n");
264 static struct dentry
*wil_debugfs_create_iomem_x32(const char *name
,
266 struct dentry
*parent
,
269 return debugfs_create_file(name
, mode
, parent
, value
,
273 static int wil_debugfs_ulong_set(void *data
, u64 val
)
275 *(ulong
*)data
= val
;
279 static int wil_debugfs_ulong_get(void *data
, u64
*val
)
281 *val
= *(ulong
*)data
;
285 DEFINE_SIMPLE_ATTRIBUTE(wil_fops_ulong
, wil_debugfs_ulong_get
,
286 wil_debugfs_ulong_set
, "%llu\n");
288 static struct dentry
*wil_debugfs_create_ulong(const char *name
, umode_t mode
,
289 struct dentry
*parent
,
292 return debugfs_create_file(name
, mode
, parent
, value
, &wil_fops_ulong
);
296 * wil6210_debugfs_init_offset - create set of debugfs files
297 * @wil - driver's context, used for printing
298 * @dbg - directory on the debugfs, where files will be created
299 * @base - base address used in address calculation
300 * @tbl - table with file descriptions. Should be terminated with empty element.
302 * Creates files accordingly to the @tbl.
304 static void wil6210_debugfs_init_offset(struct wil6210_priv
*wil
,
305 struct dentry
*dbg
, void *base
,
306 const struct dbg_off
* const tbl
)
310 for (i
= 0; tbl
[i
].name
; i
++) {
311 struct dentry
*f
= NULL
;
313 switch (tbl
[i
].type
) {
315 f
= debugfs_create_u32(tbl
[i
].name
, tbl
[i
].mode
, dbg
,
319 f
= debugfs_create_x32(tbl
[i
].name
, tbl
[i
].mode
, dbg
,
323 f
= wil_debugfs_create_ulong(tbl
[i
].name
, tbl
[i
].mode
,
324 dbg
, base
+ tbl
[i
].off
);
327 f
= wil_debugfs_create_iomem_x32(tbl
[i
].name
,
332 if (IS_ERR_OR_NULL(f
))
333 wil_err(wil
, "Create file \"%s\": err %ld\n",
334 tbl
[i
].name
, PTR_ERR(f
));
338 static const struct dbg_off isr_off
[] = {
339 {"ICC", S_IRUGO
| S_IWUSR
, offsetof(struct RGF_ICR
, ICC
), doff_io32
},
340 {"ICR", S_IRUGO
| S_IWUSR
, offsetof(struct RGF_ICR
, ICR
), doff_io32
},
341 {"ICM", S_IRUGO
| S_IWUSR
, offsetof(struct RGF_ICR
, ICM
), doff_io32
},
342 {"ICS", S_IWUSR
, offsetof(struct RGF_ICR
, ICS
), doff_io32
},
343 {"IMV", S_IRUGO
| S_IWUSR
, offsetof(struct RGF_ICR
, IMV
), doff_io32
},
344 {"IMS", S_IWUSR
, offsetof(struct RGF_ICR
, IMS
), doff_io32
},
345 {"IMC", S_IWUSR
, offsetof(struct RGF_ICR
, IMC
), doff_io32
},
349 static int wil6210_debugfs_create_ISR(struct wil6210_priv
*wil
,
351 struct dentry
*parent
, u32 off
)
353 struct dentry
*d
= debugfs_create_dir(name
, parent
);
355 if (IS_ERR_OR_NULL(d
))
358 wil6210_debugfs_init_offset(wil
, d
, (void * __force
)wil
->csr
+ off
,
364 static const struct dbg_off pseudo_isr_off
[] = {
365 {"CAUSE", S_IRUGO
, HOSTADDR(RGF_DMA_PSEUDO_CAUSE
), doff_io32
},
366 {"MASK_SW", S_IRUGO
, HOSTADDR(RGF_DMA_PSEUDO_CAUSE_MASK_SW
), doff_io32
},
367 {"MASK_FW", S_IRUGO
, HOSTADDR(RGF_DMA_PSEUDO_CAUSE_MASK_FW
), doff_io32
},
371 static int wil6210_debugfs_create_pseudo_ISR(struct wil6210_priv
*wil
,
372 struct dentry
*parent
)
374 struct dentry
*d
= debugfs_create_dir("PSEUDO_ISR", parent
);
376 if (IS_ERR_OR_NULL(d
))
379 wil6210_debugfs_init_offset(wil
, d
, (void * __force
)wil
->csr
,
385 static const struct dbg_off itr_cnt_off
[] = {
386 {"TRSH", S_IRUGO
| S_IWUSR
, HOSTADDR(RGF_DMA_ITR_CNT_TRSH
), doff_io32
},
387 {"DATA", S_IRUGO
| S_IWUSR
, HOSTADDR(RGF_DMA_ITR_CNT_DATA
), doff_io32
},
388 {"CTL", S_IRUGO
| S_IWUSR
, HOSTADDR(RGF_DMA_ITR_CNT_CRL
), doff_io32
},
392 static int wil6210_debugfs_create_ITR_CNT(struct wil6210_priv
*wil
,
393 struct dentry
*parent
)
395 struct dentry
*d
= debugfs_create_dir("ITR_CNT", parent
);
397 if (IS_ERR_OR_NULL(d
))
400 wil6210_debugfs_init_offset(wil
, d
, (void * __force
)wil
->csr
,
406 static int wil_memread_debugfs_show(struct seq_file
*s
, void *data
)
408 struct wil6210_priv
*wil
= s
->private;
409 void __iomem
*a
= wmi_buffer(wil
, cpu_to_le32(mem_addr
));
412 seq_printf(s
, "[0x%08x] = 0x%08x\n", mem_addr
, ioread32(a
));
414 seq_printf(s
, "[0x%08x] = INVALID\n", mem_addr
);
419 static int wil_memread_seq_open(struct inode
*inode
, struct file
*file
)
421 return single_open(file
, wil_memread_debugfs_show
, inode
->i_private
);
424 static const struct file_operations fops_memread
= {
425 .open
= wil_memread_seq_open
,
426 .release
= single_release
,
431 static ssize_t
wil_read_file_ioblob(struct file
*file
, char __user
*user_buf
,
432 size_t count
, loff_t
*ppos
)
434 enum { max_count
= 4096 };
435 struct debugfs_blob_wrapper
*blob
= file
->private_data
;
437 size_t available
= blob
->size
;
444 if (pos
>= available
|| !count
)
447 if (count
> available
- pos
)
448 count
= available
- pos
;
449 if (count
> max_count
)
452 buf
= kmalloc(count
, GFP_KERNEL
);
456 wil_memcpy_fromio_32(buf
, (const volatile void __iomem
*)blob
->data
+
459 ret
= copy_to_user(user_buf
, buf
, count
);
470 static const struct file_operations fops_ioblob
= {
471 .read
= wil_read_file_ioblob
,
473 .llseek
= default_llseek
,
477 struct dentry
*wil_debugfs_create_ioblob(const char *name
,
479 struct dentry
*parent
,
480 struct debugfs_blob_wrapper
*blob
)
482 return debugfs_create_file(name
, mode
, parent
, blob
, &fops_ioblob
);
486 static ssize_t
wil_write_file_reset(struct file
*file
, const char __user
*buf
,
487 size_t len
, loff_t
*ppos
)
489 struct wil6210_priv
*wil
= file
->private_data
;
490 struct net_device
*ndev
= wil_to_ndev(wil
);
494 * this code does NOT sync device state with the rest of system
495 * use with care, debug only!!!
499 ndev
->flags
&= ~IFF_UP
;
506 static const struct file_operations fops_reset
= {
507 .write
= wil_write_file_reset
,
511 /*---write channel 1..4 to rxon for it, 0 to rxoff---*/
512 static ssize_t
wil_write_file_rxon(struct file
*file
, const char __user
*buf
,
513 size_t len
, loff_t
*ppos
)
515 struct wil6210_priv
*wil
= file
->private_data
;
520 char *kbuf
= kmalloc(len
+ 1, GFP_KERNEL
);
524 if (copy_from_user(kbuf
, buf
, len
)) {
530 rc
= kstrtol(kbuf
, 0, &channel
);
535 if ((channel
< 0) || (channel
> 4)) {
536 wil_err(wil
, "Invalid channel %ld\n", channel
);
542 rc
= wmi_set_channel(wil
, (int)channel
);
547 rc
= wmi_rxon(wil
, on
);
554 static const struct file_operations fops_rxon
= {
555 .write
= wil_write_file_rxon
,
560 /* Write mgmt frame to this file to send it */
561 static ssize_t
wil_write_file_txmgmt(struct file
*file
, const char __user
*buf
,
562 size_t len
, loff_t
*ppos
)
564 struct wil6210_priv
*wil
= file
->private_data
;
565 struct wiphy
*wiphy
= wil_to_wiphy(wil
);
566 struct wireless_dev
*wdev
= wil_to_wdev(wil
);
567 struct cfg80211_mgmt_tx_params params
;
569 void *frame
= kmalloc(len
, GFP_KERNEL
);
574 if (copy_from_user(frame
, buf
, len
))
579 params
.chan
= wdev
->preset_chandef
.chan
;
581 rc
= wil_cfg80211_mgmt_tx(wiphy
, wdev
, ¶ms
, NULL
);
584 wil_info(wil
, "%s() -> %d\n", __func__
, rc
);
589 static const struct file_operations fops_txmgmt
= {
590 .write
= wil_write_file_txmgmt
,
594 /* Write WMI command (w/o mbox header) to this file to send it
595 * WMI starts from wil6210_mbox_hdr_wmi header
597 static ssize_t
wil_write_file_wmi(struct file
*file
, const char __user
*buf
,
598 size_t len
, loff_t
*ppos
)
600 struct wil6210_priv
*wil
= file
->private_data
;
601 struct wil6210_mbox_hdr_wmi
*wmi
;
603 int cmdlen
= len
- sizeof(struct wil6210_mbox_hdr_wmi
);
610 wmi
= kmalloc(len
, GFP_KERNEL
);
614 rc
= simple_write_to_buffer(wmi
, len
, ppos
, buf
, len
);
619 cmdid
= le16_to_cpu(wmi
->id
);
621 rc1
= wmi_send(wil
, cmdid
, cmd
, cmdlen
);
624 wil_info(wil
, "%s(0x%04x[%d]) -> %d\n", __func__
, cmdid
, cmdlen
, rc1
);
629 static const struct file_operations fops_wmi
= {
630 .write
= wil_write_file_wmi
,
634 static void wil_seq_hexdump(struct seq_file
*s
, void *p
, int len
,
637 char printbuf
[16 * 3 + 2];
641 int l
= min(len
- i
, 16);
643 hex_dump_to_buffer(p
+ i
, l
, 16, 1, printbuf
,
644 sizeof(printbuf
), false);
645 seq_printf(s
, "%s%s\n", prefix
, printbuf
);
650 static void wil_seq_print_skb(struct seq_file
*s
, struct sk_buff
*skb
)
653 int len
= skb_headlen(skb
);
655 int nr_frags
= skb_shinfo(skb
)->nr_frags
;
657 seq_printf(s
, " len = %d\n", len
);
658 wil_seq_hexdump(s
, p
, len
, " : ");
661 seq_printf(s
, " nr_frags = %d\n", nr_frags
);
662 for (i
= 0; i
< nr_frags
; i
++) {
663 const struct skb_frag_struct
*frag
=
664 &skb_shinfo(skb
)->frags
[i
];
666 len
= skb_frag_size(frag
);
667 p
= skb_frag_address_safe(frag
);
668 seq_printf(s
, " [%2d] : len = %d\n", i
, len
);
669 wil_seq_hexdump(s
, p
, len
, " : ");
674 /*---------Tx/Rx descriptor------------*/
675 static int wil_txdesc_debugfs_show(struct seq_file
*s
, void *data
)
677 struct wil6210_priv
*wil
= s
->private;
679 bool tx
= (dbg_vring_index
< WIL6210_MAX_TX_RINGS
);
681 vring
= tx
? &wil
->vring_tx
[dbg_vring_index
] : &wil
->vring_rx
;
685 seq_printf(s
, "No Tx[%2d] VRING\n", dbg_vring_index
);
687 seq_puts(s
, "No Rx VRING\n");
691 if (dbg_txdesc_index
< vring
->size
) {
692 /* use struct vring_tx_desc for Rx as well,
693 * only field used, .dma.length, is the same
695 volatile struct vring_tx_desc
*d
=
696 &vring
->va
[dbg_txdesc_index
].tx
;
697 volatile u32
*u
= (volatile u32
*)d
;
698 struct sk_buff
*skb
= vring
->ctx
[dbg_txdesc_index
].skb
;
701 seq_printf(s
, "Tx[%2d][%3d] = {\n", dbg_vring_index
,
704 seq_printf(s
, "Rx[%3d] = {\n", dbg_txdesc_index
);
705 seq_printf(s
, " MAC = 0x%08x 0x%08x 0x%08x 0x%08x\n",
706 u
[0], u
[1], u
[2], u
[3]);
707 seq_printf(s
, " DMA = 0x%08x 0x%08x 0x%08x 0x%08x\n",
708 u
[4], u
[5], u
[6], u
[7]);
709 seq_printf(s
, " SKB = 0x%p\n", skb
);
713 wil_seq_print_skb(s
, skb
);
719 seq_printf(s
, "[%2d] TxDesc index (%d) >= size (%d)\n",
720 dbg_vring_index
, dbg_txdesc_index
,
723 seq_printf(s
, "RxDesc index (%d) >= size (%d)\n",
724 dbg_txdesc_index
, vring
->size
);
730 static int wil_txdesc_seq_open(struct inode
*inode
, struct file
*file
)
732 return single_open(file
, wil_txdesc_debugfs_show
, inode
->i_private
);
735 static const struct file_operations fops_txdesc
= {
736 .open
= wil_txdesc_seq_open
,
737 .release
= single_release
,
742 /*---------beamforming------------*/
743 static char *wil_bfstatus_str(u32 status
)
757 static bool is_all_zeros(void * const x_
, size_t sz
)
759 /* if reply is all-0, ignore this CID */
763 for (n
= 0; n
< sz
/ sizeof(*x
); n
++)
770 static int wil_bf_debugfs_show(struct seq_file
*s
, void *data
)
774 struct wil6210_priv
*wil
= s
->private;
775 struct wmi_notify_req_cmd cmd
= {
779 struct wil6210_mbox_hdr_wmi wmi
;
780 struct wmi_notify_req_done_event evt
;
783 for (i
= 0; i
< ARRAY_SIZE(wil
->sta
); i
++) {
787 rc
= wmi_call(wil
, WMI_NOTIFY_REQ_CMDID
, &cmd
, sizeof(cmd
),
788 WMI_NOTIFY_REQ_DONE_EVENTID
, &reply
,
790 /* if reply is all-0, ignore this CID */
791 if (rc
|| is_all_zeros(&reply
.evt
, sizeof(reply
.evt
)))
794 status
= le32_to_cpu(reply
.evt
.status
);
795 seq_printf(s
, "CID %d {\n"
797 " TxMCS = %2d TxTpt = %4d\n"
799 " Status = 0x%08x %s\n"
800 " Sectors(rx:tx) my %2d:%2d peer %2d:%2d\n"
801 " Goodput(rx:tx) %4d:%4d\n"
804 le64_to_cpu(reply
.evt
.tsf
),
805 le16_to_cpu(reply
.evt
.bf_mcs
),
806 le32_to_cpu(reply
.evt
.tx_tpt
),
808 status
, wil_bfstatus_str(status
),
809 le16_to_cpu(reply
.evt
.my_rx_sector
),
810 le16_to_cpu(reply
.evt
.my_tx_sector
),
811 le16_to_cpu(reply
.evt
.other_rx_sector
),
812 le16_to_cpu(reply
.evt
.other_tx_sector
),
813 le32_to_cpu(reply
.evt
.rx_goodput
),
814 le32_to_cpu(reply
.evt
.tx_goodput
));
819 static int wil_bf_seq_open(struct inode
*inode
, struct file
*file
)
821 return single_open(file
, wil_bf_debugfs_show
, inode
->i_private
);
824 static const struct file_operations fops_bf
= {
825 .open
= wil_bf_seq_open
,
826 .release
= single_release
,
831 /*---------SSID------------*/
832 static ssize_t
wil_read_file_ssid(struct file
*file
, char __user
*user_buf
,
833 size_t count
, loff_t
*ppos
)
835 struct wil6210_priv
*wil
= file
->private_data
;
836 struct wireless_dev
*wdev
= wil_to_wdev(wil
);
838 return simple_read_from_buffer(user_buf
, count
, ppos
,
839 wdev
->ssid
, wdev
->ssid_len
);
842 static ssize_t
wil_write_file_ssid(struct file
*file
, const char __user
*buf
,
843 size_t count
, loff_t
*ppos
)
845 struct wil6210_priv
*wil
= file
->private_data
;
846 struct wireless_dev
*wdev
= wil_to_wdev(wil
);
847 struct net_device
*ndev
= wil_to_ndev(wil
);
850 wil_err(wil
, "Unable to set SSID substring from [%d]\n",
855 if (count
> sizeof(wdev
->ssid
)) {
856 wil_err(wil
, "SSID too long, len = %d\n", (int)count
);
859 if (netif_running(ndev
)) {
860 wil_err(wil
, "Unable to change SSID on running interface\n");
864 wdev
->ssid_len
= count
;
865 return simple_write_to_buffer(wdev
->ssid
, wdev
->ssid_len
, ppos
,
869 static const struct file_operations fops_ssid
= {
870 .read
= wil_read_file_ssid
,
871 .write
= wil_write_file_ssid
,
875 /*---------temp------------*/
876 static void print_temp(struct seq_file
*s
, const char *prefix
, u32 t
)
881 seq_printf(s
, "%s N/A\n", prefix
);
884 seq_printf(s
, "%s %d.%03d\n", prefix
, t
/ 1000, t
% 1000);
889 static int wil_temp_debugfs_show(struct seq_file
*s
, void *data
)
891 struct wil6210_priv
*wil
= s
->private;
893 int rc
= wmi_get_temperature(wil
, &t_m
, &t_r
);
896 seq_puts(s
, "Failed\n");
900 print_temp(s
, "T_mac =", t_m
);
901 print_temp(s
, "T_radio =", t_r
);
906 static int wil_temp_seq_open(struct inode
*inode
, struct file
*file
)
908 return single_open(file
, wil_temp_debugfs_show
, inode
->i_private
);
911 static const struct file_operations fops_temp
= {
912 .open
= wil_temp_seq_open
,
913 .release
= single_release
,
918 /*---------freq------------*/
919 static int wil_freq_debugfs_show(struct seq_file
*s
, void *data
)
921 struct wil6210_priv
*wil
= s
->private;
922 struct wireless_dev
*wdev
= wil_to_wdev(wil
);
923 u16 freq
= wdev
->chandef
.chan
? wdev
->chandef
.chan
->center_freq
: 0;
925 seq_printf(s
, "Freq = %d\n", freq
);
930 static int wil_freq_seq_open(struct inode
*inode
, struct file
*file
)
932 return single_open(file
, wil_freq_debugfs_show
, inode
->i_private
);
935 static const struct file_operations fops_freq
= {
936 .open
= wil_freq_seq_open
,
937 .release
= single_release
,
942 /*---------link------------*/
943 static int wil_link_debugfs_show(struct seq_file
*s
, void *data
)
945 struct wil6210_priv
*wil
= s
->private;
946 struct station_info sinfo
;
949 for (i
= 0; i
< ARRAY_SIZE(wil
->sta
); i
++) {
950 struct wil_sta_info
*p
= &wil
->sta
[i
];
951 char *status
= "unknown";
957 case wil_sta_conn_pending
:
960 case wil_sta_connected
:
961 status
= "connected";
964 seq_printf(s
, "[%d] %pM %s%s\n", i
, p
->addr
, status
,
965 (p
->data_port_open
? " data_port_open" : ""));
967 if (p
->status
== wil_sta_connected
) {
968 rc
= wil_cid_fill_sinfo(wil
, i
, &sinfo
);
972 seq_printf(s
, " Tx_mcs = %d\n", sinfo
.txrate
.mcs
);
973 seq_printf(s
, " Rx_mcs = %d\n", sinfo
.rxrate
.mcs
);
974 seq_printf(s
, " SQ = %d\n", sinfo
.signal
);
981 static int wil_link_seq_open(struct inode
*inode
, struct file
*file
)
983 return single_open(file
, wil_link_debugfs_show
, inode
->i_private
);
986 static const struct file_operations fops_link
= {
987 .open
= wil_link_seq_open
,
988 .release
= single_release
,
993 /*---------info------------*/
994 static int wil_info_debugfs_show(struct seq_file
*s
, void *data
)
996 struct wil6210_priv
*wil
= s
->private;
997 struct net_device
*ndev
= wil_to_ndev(wil
);
998 int is_ac
= power_supply_is_system_supplied();
999 int rx
= atomic_xchg(&wil
->isr_count_rx
, 0);
1000 int tx
= atomic_xchg(&wil
->isr_count_tx
, 0);
1001 static ulong rxf_old
, txf_old
;
1002 ulong rxf
= ndev
->stats
.rx_packets
;
1003 ulong txf
= ndev
->stats
.tx_packets
;
1006 /* >0 : AC; 0 : battery; <0 : error */
1007 seq_printf(s
, "AC powered : %d\n", is_ac
);
1008 seq_printf(s
, "Rx irqs:packets : %8d : %8ld\n", rx
, rxf
- rxf_old
);
1009 seq_printf(s
, "Tx irqs:packets : %8d : %8ld\n", tx
, txf
- txf_old
);
1013 #define CHECK_QSTATE(x) (state & BIT(__QUEUE_STATE_ ## x)) ? \
1014 " " __stringify(x) : ""
1016 for (i
= 0; i
< ndev
->num_tx_queues
; i
++) {
1017 struct netdev_queue
*txq
= netdev_get_tx_queue(ndev
, i
);
1018 unsigned long state
= txq
->state
;
1020 seq_printf(s
, "Tx queue[%i] state : 0x%lx%s%s%s\n", i
, state
,
1021 CHECK_QSTATE(DRV_XOFF
),
1022 CHECK_QSTATE(STACK_XOFF
),
1023 CHECK_QSTATE(FROZEN
)
1030 static int wil_info_seq_open(struct inode
*inode
, struct file
*file
)
1032 return single_open(file
, wil_info_debugfs_show
, inode
->i_private
);
1035 static const struct file_operations fops_info
= {
1036 .open
= wil_info_seq_open
,
1037 .release
= single_release
,
1039 .llseek
= seq_lseek
,
1042 /*---------Station matrix------------*/
1043 static void wil_print_rxtid(struct seq_file
*s
, struct wil_tid_ampdu_rx
*r
)
1046 u16 index
= ((r
->head_seq_num
- r
->ssn
) & 0xfff) % r
->buf_size
;
1048 seq_printf(s
, "0x%03x [", r
->head_seq_num
);
1049 for (i
= 0; i
< r
->buf_size
; i
++) {
1051 seq_printf(s
, "%c", r
->reorder_buf
[i
] ? 'O' : '|');
1053 seq_printf(s
, "%c", r
->reorder_buf
[i
] ? '*' : '_');
1055 seq_printf(s
, "] last drop 0x%03x\n", r
->ssn_last_drop
);
1058 static int wil_sta_debugfs_show(struct seq_file
*s
, void *data
)
1060 struct wil6210_priv
*wil
= s
->private;
1063 for (i
= 0; i
< ARRAY_SIZE(wil
->sta
); i
++) {
1064 struct wil_sta_info
*p
= &wil
->sta
[i
];
1065 char *status
= "unknown";
1067 switch (p
->status
) {
1068 case wil_sta_unused
:
1071 case wil_sta_conn_pending
:
1072 status
= "pending ";
1074 case wil_sta_connected
:
1075 status
= "connected";
1078 seq_printf(s
, "[%d] %pM %s%s\n", i
, p
->addr
, status
,
1079 (p
->data_port_open
? " data_port_open" : ""));
1081 if (p
->status
== wil_sta_connected
) {
1082 for (tid
= 0; tid
< WIL_STA_TID_NUM
; tid
++) {
1083 struct wil_tid_ampdu_rx
*r
= p
->tid_rx
[tid
];
1086 seq_printf(s
, "[%2d] ", tid
);
1087 wil_print_rxtid(s
, r
);
1096 static int wil_sta_seq_open(struct inode
*inode
, struct file
*file
)
1098 return single_open(file
, wil_sta_debugfs_show
, inode
->i_private
);
1101 static const struct file_operations fops_sta
= {
1102 .open
= wil_sta_seq_open
,
1103 .release
= single_release
,
1105 .llseek
= seq_lseek
,
1108 /*----------------*/
1109 static void wil6210_debugfs_init_blobs(struct wil6210_priv
*wil
,
1115 for (i
= 0; i
< ARRAY_SIZE(fw_mapping
); i
++) {
1116 struct debugfs_blob_wrapper
*blob
= &wil
->blobs
[i
];
1117 const struct fw_map
*map
= &fw_mapping
[i
];
1122 blob
->data
= (void * __force
)wil
->csr
+ HOSTADDR(map
->host
);
1123 blob
->size
= map
->to
- map
->from
;
1124 snprintf(name
, sizeof(name
), "blob_%s", map
->name
);
1125 wil_debugfs_create_ioblob(name
, S_IRUGO
, dbg
, blob
);
1130 static const struct {
1133 const struct file_operations
*fops
;
1135 {"mbox", S_IRUGO
, &fops_mbox
},
1136 {"vrings", S_IRUGO
, &fops_vring
},
1137 {"stations", S_IRUGO
, &fops_sta
},
1138 {"desc", S_IRUGO
, &fops_txdesc
},
1139 {"bf", S_IRUGO
, &fops_bf
},
1140 {"ssid", S_IRUGO
| S_IWUSR
, &fops_ssid
},
1141 {"mem_val", S_IRUGO
, &fops_memread
},
1142 {"reset", S_IWUSR
, &fops_reset
},
1143 {"rxon", S_IWUSR
, &fops_rxon
},
1144 {"tx_mgmt", S_IWUSR
, &fops_txmgmt
},
1145 {"wmi_send", S_IWUSR
, &fops_wmi
},
1146 {"temp", S_IRUGO
, &fops_temp
},
1147 {"freq", S_IRUGO
, &fops_freq
},
1148 {"link", S_IRUGO
, &fops_link
},
1149 {"info", S_IRUGO
, &fops_info
},
1152 static void wil6210_debugfs_init_files(struct wil6210_priv
*wil
,
1157 for (i
= 0; i
< ARRAY_SIZE(dbg_files
); i
++)
1158 debugfs_create_file(dbg_files
[i
].name
, dbg_files
[i
].mode
, dbg
,
1159 wil
, dbg_files
[i
].fops
);
1162 /* interrupt control blocks */
1163 static const struct {
1167 {"USER_ICR", HOSTADDR(RGF_USER_USER_ICR
)},
1168 {"DMA_EP_TX_ICR", HOSTADDR(RGF_DMA_EP_TX_ICR
)},
1169 {"DMA_EP_RX_ICR", HOSTADDR(RGF_DMA_EP_RX_ICR
)},
1170 {"DMA_EP_MISC_ICR", HOSTADDR(RGF_DMA_EP_MISC_ICR
)},
1173 static void wil6210_debugfs_init_isr(struct wil6210_priv
*wil
,
1178 for (i
= 0; i
< ARRAY_SIZE(dbg_icr
); i
++)
1179 wil6210_debugfs_create_ISR(wil
, dbg_icr
[i
].name
, dbg
,
1180 dbg_icr
[i
].icr_off
);
1183 #define WIL_FIELD(name, mode, type) { __stringify(name), mode, \
1184 offsetof(struct wil6210_priv, name), type}
1186 /* fields in struct wil6210_priv */
1187 static const struct dbg_off dbg_wil_off
[] = {
1188 WIL_FIELD(secure_pcp
, S_IRUGO
| S_IWUSR
, doff_u32
),
1189 WIL_FIELD(status
, S_IRUGO
| S_IWUSR
, doff_ulong
),
1190 WIL_FIELD(fw_version
, S_IRUGO
, doff_u32
),
1191 WIL_FIELD(hw_version
, S_IRUGO
, doff_x32
),
1195 static const struct dbg_off dbg_wil_regs
[] = {
1196 {"RGF_MAC_MTRL_COUNTER_0", S_IRUGO
, HOSTADDR(RGF_MAC_MTRL_COUNTER_0
),
1198 {"RGF_USER_USAGE_1", S_IRUGO
, HOSTADDR(RGF_USER_USAGE_1
), doff_io32
},
1202 /* static parameters */
1203 static const struct dbg_off dbg_statics
[] = {
1204 {"desc_index", S_IRUGO
| S_IWUSR
, (ulong
)&dbg_txdesc_index
, doff_u32
},
1205 {"vring_index", S_IRUGO
| S_IWUSR
, (ulong
)&dbg_vring_index
, doff_u32
},
1206 {"mem_addr", S_IRUGO
| S_IWUSR
, (ulong
)&mem_addr
, doff_u32
},
1210 int wil6210_debugfs_init(struct wil6210_priv
*wil
)
1212 struct dentry
*dbg
= wil
->debug
= debugfs_create_dir(WIL_NAME
,
1213 wil_to_wiphy(wil
)->debugfsdir
);
1215 if (IS_ERR_OR_NULL(dbg
))
1218 wil6210_debugfs_init_files(wil
, dbg
);
1219 wil6210_debugfs_init_isr(wil
, dbg
);
1220 wil6210_debugfs_init_blobs(wil
, dbg
);
1221 wil6210_debugfs_init_offset(wil
, dbg
, wil
, dbg_wil_off
);
1222 wil6210_debugfs_init_offset(wil
, dbg
, (void * __force
)wil
->csr
,
1224 wil6210_debugfs_init_offset(wil
, dbg
, NULL
, dbg_statics
);
1226 wil6210_debugfs_create_pseudo_ISR(wil
, dbg
);
1228 wil6210_debugfs_create_ITR_CNT(wil
, dbg
);
1233 void wil6210_debugfs_remove(struct wil6210_priv
*wil
)
1235 debugfs_remove_recursive(wil
->debug
);