blob: 4e6e14501c2f5e654be41bbadae02ffcfc1c166f [file] [log] [blame]
/*
* Copyright (c) 2012-2014 Qualcomm Atheros, Inc.
*
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#include <linux/module.h>
#include <linux/debugfs.h>
#include <linux/seq_file.h>
#include <linux/pci.h>
#include <linux/rtnetlink.h>
#include <linux/power_supply.h>
#include "wil6210.h"
#include "wmi.h"
#include "txrx.h"
/* Nasty hack. Better have per device instances */
static u32 mem_addr;
static u32 dbg_txdesc_index;
static u32 dbg_vring_index; /* 24+ for Rx, 0..23 for Tx */
enum dbg_off_type {
doff_u32 = 0,
doff_x32 = 1,
doff_ulong = 2,
doff_io32 = 3,
};
/* offset to "wil" */
struct dbg_off {
const char *name;
umode_t mode;
ulong off;
enum dbg_off_type type;
};
static void wil_print_vring(struct seq_file *s, struct wil6210_priv *wil,
const char *name, struct vring *vring,
char _s, char _h)
{
void __iomem *x = wmi_addr(wil, vring->hwtail);
seq_printf(s, "VRING %s = {\n", name);
seq_printf(s, " pa = %pad\n", &vring->pa);
seq_printf(s, " va = 0x%p\n", vring->va);
seq_printf(s, " size = %d\n", vring->size);
seq_printf(s, " swtail = %d\n", vring->swtail);
seq_printf(s, " swhead = %d\n", vring->swhead);
seq_printf(s, " hwtail = [0x%08x] -> ", vring->hwtail);
if (x)
seq_printf(s, "0x%08x\n", ioread32(x));
else
seq_puts(s, "???\n");
if (vring->va && (vring->size < 1025)) {
uint i;
for (i = 0; i < vring->size; i++) {
volatile struct vring_tx_desc *d = &vring->va[i].tx;
if ((i % 64) == 0 && (i != 0))
seq_puts(s, "\n");
seq_printf(s, "%c", (d->dma.status & BIT(0)) ?
_s : (vring->ctx[i].skb ? _h : 'h'));
}
seq_puts(s, "\n");
}
seq_puts(s, "}\n");
}
static int wil_vring_debugfs_show(struct seq_file *s, void *data)
{
uint i;
struct wil6210_priv *wil = s->private;
wil_print_vring(s, wil, "rx", &wil->vring_rx, 'S', '_');
for (i = 0; i < ARRAY_SIZE(wil->vring_tx); i++) {
struct vring *vring = &wil->vring_tx[i];
struct vring_tx_data *txdata = &wil->vring_tx_data[i];
if (vring->va) {
int cid = wil->vring2cid_tid[i][0];
int tid = wil->vring2cid_tid[i][1];
u32 swhead = vring->swhead;
u32 swtail = vring->swtail;
int used = (vring->size + swhead - swtail)
% vring->size;
int avail = vring->size - used - 1;
char name[10];
/* performance monitoring */
cycles_t now = get_cycles();
cycles_t idle = txdata->idle * 100;
cycles_t total = now - txdata->begin;
do_div(idle, total);
txdata->begin = now;
txdata->idle = 0ULL;
snprintf(name, sizeof(name), "tx_%2d", i);
seq_printf(s, "\n%pM CID %d TID %d [%3d|%3d] idle %3d%%\n",
wil->sta[cid].addr, cid, tid, used, avail,
(int)idle);
wil_print_vring(s, wil, name, vring, '_', 'H');
}
}
return 0;
}
static int wil_vring_seq_open(struct inode *inode, struct file *file)
{
return single_open(file, wil_vring_debugfs_show, inode->i_private);
}
static const struct file_operations fops_vring = {
.open = wil_vring_seq_open,
.release = single_release,
.read = seq_read,
.llseek = seq_lseek,
};
static void wil_print_ring(struct seq_file *s, const char *prefix,
void __iomem *off)
{
struct wil6210_priv *wil = s->private;
struct wil6210_mbox_ring r;
int rsize;
uint i;
wil_memcpy_fromio_32(&r, off, sizeof(r));
wil_mbox_ring_le2cpus(&r);
/*
* we just read memory block from NIC. This memory may be
* garbage. Check validity before using it.
*/
rsize = r.size / sizeof(struct wil6210_mbox_ring_desc);
seq_printf(s, "ring %s = {\n", prefix);
seq_printf(s, " base = 0x%08x\n", r.base);
seq_printf(s, " size = 0x%04x bytes -> %d entries\n", r.size, rsize);
seq_printf(s, " tail = 0x%08x\n", r.tail);
seq_printf(s, " head = 0x%08x\n", r.head);
seq_printf(s, " entry size = %d\n", r.entry_size);
if (r.size % sizeof(struct wil6210_mbox_ring_desc)) {
seq_printf(s, " ??? size is not multiple of %zd, garbage?\n",
sizeof(struct wil6210_mbox_ring_desc));
goto out;
}
if (!wmi_addr(wil, r.base) ||
!wmi_addr(wil, r.tail) ||
!wmi_addr(wil, r.head)) {
seq_puts(s, " ??? pointers are garbage?\n");
goto out;
}
for (i = 0; i < rsize; i++) {
struct wil6210_mbox_ring_desc d;
struct wil6210_mbox_hdr hdr;
size_t delta = i * sizeof(d);
void __iomem *x = wil->csr + HOSTADDR(r.base) + delta;
wil_memcpy_fromio_32(&d, x, sizeof(d));
seq_printf(s, " [%2x] %s %s%s 0x%08x", i,
d.sync ? "F" : "E",
(r.tail - r.base == delta) ? "t" : " ",
(r.head - r.base == delta) ? "h" : " ",
le32_to_cpu(d.addr));
if (0 == wmi_read_hdr(wil, d.addr, &hdr)) {
u16 len = le16_to_cpu(hdr.len);
seq_printf(s, " -> %04x %04x %04x %02x\n",
le16_to_cpu(hdr.seq), len,
le16_to_cpu(hdr.type), hdr.flags);
if (len <= MAX_MBOXITEM_SIZE) {
int n = 0;
char printbuf[16 * 3 + 2];
unsigned char databuf[MAX_MBOXITEM_SIZE];
void __iomem *src = wmi_buffer(wil, d.addr) +
sizeof(struct wil6210_mbox_hdr);
/*
* No need to check @src for validity -
* we already validated @d.addr while
* reading header
*/
wil_memcpy_fromio_32(databuf, src, len);
while (n < len) {
int l = min(len - n, 16);
hex_dump_to_buffer(databuf + n, l,
16, 1, printbuf,
sizeof(printbuf),
false);
seq_printf(s, " : %s\n", printbuf);
n += l;
}
}
} else {
seq_puts(s, "\n");
}
}
out:
seq_puts(s, "}\n");
}
static int wil_mbox_debugfs_show(struct seq_file *s, void *data)
{
struct wil6210_priv *wil = s->private;
wil_print_ring(s, "tx", wil->csr + HOST_MBOX +
offsetof(struct wil6210_mbox_ctl, tx));
wil_print_ring(s, "rx", wil->csr + HOST_MBOX +
offsetof(struct wil6210_mbox_ctl, rx));
return 0;
}
static int wil_mbox_seq_open(struct inode *inode, struct file *file)
{
return single_open(file, wil_mbox_debugfs_show, inode->i_private);
}
static const struct file_operations fops_mbox = {
.open = wil_mbox_seq_open,
.release = single_release,
.read = seq_read,
.llseek = seq_lseek,
};
static int wil_debugfs_iomem_x32_set(void *data, u64 val)
{
iowrite32(val, (void __iomem *)data);
wmb(); /* make sure write propagated to HW */
return 0;
}
static int wil_debugfs_iomem_x32_get(void *data, u64 *val)
{
*val = ioread32((void __iomem *)data);
return 0;
}
DEFINE_SIMPLE_ATTRIBUTE(fops_iomem_x32, wil_debugfs_iomem_x32_get,
wil_debugfs_iomem_x32_set, "0x%08llx\n");
static struct dentry *wil_debugfs_create_iomem_x32(const char *name,
umode_t mode,
struct dentry *parent,
void *value)
{
return debugfs_create_file(name, mode, parent, value,
&fops_iomem_x32);
}
static int wil_debugfs_ulong_set(void *data, u64 val)
{
*(ulong *)data = val;
return 0;
}
static int wil_debugfs_ulong_get(void *data, u64 *val)
{
*val = *(ulong *)data;
return 0;
}
DEFINE_SIMPLE_ATTRIBUTE(wil_fops_ulong, wil_debugfs_ulong_get,
wil_debugfs_ulong_set, "%llu\n");
static struct dentry *wil_debugfs_create_ulong(const char *name, umode_t mode,
struct dentry *parent,
ulong *value)
{
return debugfs_create_file(name, mode, parent, value, &wil_fops_ulong);
}
/**
* wil6210_debugfs_init_offset - create set of debugfs files
* @wil - driver's context, used for printing
* @dbg - directory on the debugfs, where files will be created
* @base - base address used in address calculation
* @tbl - table with file descriptions. Should be terminated with empty element.
*
* Creates files accordingly to the @tbl.
*/
static void wil6210_debugfs_init_offset(struct wil6210_priv *wil,
struct dentry *dbg, void *base,
const struct dbg_off * const tbl)
{
int i;
for (i = 0; tbl[i].name; i++) {
struct dentry *f;
switch (tbl[i].type) {
case doff_u32:
f = debugfs_create_u32(tbl[i].name, tbl[i].mode, dbg,
base + tbl[i].off);
break;
case doff_x32:
f = debugfs_create_x32(tbl[i].name, tbl[i].mode, dbg,
base + tbl[i].off);
break;
case doff_ulong:
f = wil_debugfs_create_ulong(tbl[i].name, tbl[i].mode,
dbg, base + tbl[i].off);
break;
case doff_io32:
f = wil_debugfs_create_iomem_x32(tbl[i].name,
tbl[i].mode, dbg,
base + tbl[i].off);
break;
default:
f = ERR_PTR(-EINVAL);
}
if (IS_ERR_OR_NULL(f))
wil_err(wil, "Create file \"%s\": err %ld\n",
tbl[i].name, PTR_ERR(f));
}
}
static const struct dbg_off isr_off[] = {
{"ICC", S_IRUGO | S_IWUSR, offsetof(struct RGF_ICR, ICC), doff_io32},
{"ICR", S_IRUGO | S_IWUSR, offsetof(struct RGF_ICR, ICR), doff_io32},
{"ICM", S_IRUGO | S_IWUSR, offsetof(struct RGF_ICR, ICM), doff_io32},
{"ICS", S_IWUSR, offsetof(struct RGF_ICR, ICS), doff_io32},
{"IMV", S_IRUGO | S_IWUSR, offsetof(struct RGF_ICR, IMV), doff_io32},
{"IMS", S_IWUSR, offsetof(struct RGF_ICR, IMS), doff_io32},
{"IMC", S_IWUSR, offsetof(struct RGF_ICR, IMC), doff_io32},
{},
};
static int wil6210_debugfs_create_ISR(struct wil6210_priv *wil,
const char *name,
struct dentry *parent, u32 off)
{
struct dentry *d = debugfs_create_dir(name, parent);
if (IS_ERR_OR_NULL(d))
return -ENODEV;
wil6210_debugfs_init_offset(wil, d, (void * __force)wil->csr + off,
isr_off);
return 0;
}
static const struct dbg_off pseudo_isr_off[] = {
{"CAUSE", S_IRUGO, HOSTADDR(RGF_DMA_PSEUDO_CAUSE), doff_io32},
{"MASK_SW", S_IRUGO, HOSTADDR(RGF_DMA_PSEUDO_CAUSE_MASK_SW), doff_io32},
{"MASK_FW", S_IRUGO, HOSTADDR(RGF_DMA_PSEUDO_CAUSE_MASK_FW), doff_io32},
{},
};
static int wil6210_debugfs_create_pseudo_ISR(struct wil6210_priv *wil,
struct dentry *parent)
{
struct dentry *d = debugfs_create_dir("PSEUDO_ISR", parent);
if (IS_ERR_OR_NULL(d))
return -ENODEV;
wil6210_debugfs_init_offset(wil, d, (void * __force)wil->csr,
pseudo_isr_off);
return 0;
}
static const struct dbg_off itr_cnt_off[] = {
{"TRSH", S_IRUGO | S_IWUSR, HOSTADDR(RGF_DMA_ITR_CNT_TRSH), doff_io32},
{"DATA", S_IRUGO | S_IWUSR, HOSTADDR(RGF_DMA_ITR_CNT_DATA), doff_io32},
{"CTL", S_IRUGO | S_IWUSR, HOSTADDR(RGF_DMA_ITR_CNT_CRL), doff_io32},
{},
};
static int wil6210_debugfs_create_ITR_CNT(struct wil6210_priv *wil,
struct dentry *parent)
{
struct dentry *d = debugfs_create_dir("ITR_CNT", parent);
if (IS_ERR_OR_NULL(d))
return -ENODEV;
wil6210_debugfs_init_offset(wil, d, (void * __force)wil->csr,
itr_cnt_off);
return 0;
}
static int wil_memread_debugfs_show(struct seq_file *s, void *data)
{
struct wil6210_priv *wil = s->private;
void __iomem *a = wmi_buffer(wil, cpu_to_le32(mem_addr));
if (a)
seq_printf(s, "[0x%08x] = 0x%08x\n", mem_addr, ioread32(a));
else
seq_printf(s, "[0x%08x] = INVALID\n", mem_addr);
return 0;
}
static int wil_memread_seq_open(struct inode *inode, struct file *file)
{
return single_open(file, wil_memread_debugfs_show, inode->i_private);
}
static const struct file_operations fops_memread = {
.open = wil_memread_seq_open,
.release = single_release,
.read = seq_read,
.llseek = seq_lseek,
};
static ssize_t wil_read_file_ioblob(struct file *file, char __user *user_buf,
size_t count, loff_t *ppos)
{
enum { max_count = 4096 };
struct debugfs_blob_wrapper *blob = file->private_data;
loff_t pos = *ppos;
size_t available = blob->size;
void *buf;
size_t ret;
if (pos < 0)
return -EINVAL;
if (pos >= available || !count)
return 0;
if (count > available - pos)
count = available - pos;
if (count > max_count)
count = max_count;
buf = kmalloc(count, GFP_KERNEL);
if (!buf)
return -ENOMEM;
wil_memcpy_fromio_32(buf, (const volatile void __iomem *)blob->data +
pos, count);
ret = copy_to_user(user_buf, buf, count);
kfree(buf);
if (ret == count)
return -EFAULT;
count -= ret;
*ppos = pos + count;
return count;
}
static const struct file_operations fops_ioblob = {
.read = wil_read_file_ioblob,
.open = simple_open,
.llseek = default_llseek,
};
static
struct dentry *wil_debugfs_create_ioblob(const char *name,
umode_t mode,
struct dentry *parent,
struct debugfs_blob_wrapper *blob)
{
return debugfs_create_file(name, mode, parent, blob, &fops_ioblob);
}
/*---reset---*/
static ssize_t wil_write_file_reset(struct file *file, const char __user *buf,
size_t len, loff_t *ppos)
{
struct wil6210_priv *wil = file->private_data;
struct net_device *ndev = wil_to_ndev(wil);
/**
* BUG:
* this code does NOT sync device state with the rest of system
* use with care, debug only!!!
*/
rtnl_lock();
dev_close(ndev);
ndev->flags &= ~IFF_UP;
rtnl_unlock();
wil_reset(wil);
return len;
}
static const struct file_operations fops_reset = {
.write = wil_write_file_reset,
.open = simple_open,
};
/*---write channel 1..4 to rxon for it, 0 to rxoff---*/
static ssize_t wil_write_file_rxon(struct file *file, const char __user *buf,
size_t len, loff_t *ppos)
{
struct wil6210_priv *wil = file->private_data;
int rc;
long channel;
bool on;
char *kbuf = kmalloc(len + 1, GFP_KERNEL);
if (!kbuf)
return -ENOMEM;
if (copy_from_user(kbuf, buf, len)) {
kfree(kbuf);
return -EIO;
}
kbuf[len] = '\0';
rc = kstrtol(kbuf, 0, &channel);
kfree(kbuf);
if (rc)
return rc;
if ((channel < 0) || (channel > 4)) {
wil_err(wil, "Invalid channel %ld\n", channel);
return -EINVAL;
}
on = !!channel;
if (on) {
rc = wmi_set_channel(wil, (int)channel);
if (rc)
return rc;
}
rc = wmi_rxon(wil, on);
if (rc)
return rc;
return len;
}
static const struct file_operations fops_rxon = {
.write = wil_write_file_rxon,
.open = simple_open,
};
/*---tx_mgmt---*/
/* Write mgmt frame to this file to send it */
static ssize_t wil_write_file_txmgmt(struct file *file, const char __user *buf,
size_t len, loff_t *ppos)
{
struct wil6210_priv *wil = file->private_data;
struct wiphy *wiphy = wil_to_wiphy(wil);
struct wireless_dev *wdev = wil_to_wdev(wil);
struct cfg80211_mgmt_tx_params params;
int rc;
void *frame = kmalloc(len, GFP_KERNEL);
if (!frame)
return -ENOMEM;
if (copy_from_user(frame, buf, len)) {
kfree(frame);
return -EIO;
}
params.buf = frame;
params.len = len;
params.chan = wdev->preset_chandef.chan;
rc = wil_cfg80211_mgmt_tx(wiphy, wdev, &params, NULL);
kfree(frame);
wil_info(wil, "%s() -> %d\n", __func__, rc);
return len;
}
static const struct file_operations fops_txmgmt = {
.write = wil_write_file_txmgmt,
.open = simple_open,
};
/* Write WMI command (w/o mbox header) to this file to send it
* WMI starts from wil6210_mbox_hdr_wmi header
*/
static ssize_t wil_write_file_wmi(struct file *file, const char __user *buf,
size_t len, loff_t *ppos)
{
struct wil6210_priv *wil = file->private_data;
struct wil6210_mbox_hdr_wmi *wmi;
void *cmd;
int cmdlen = len - sizeof(struct wil6210_mbox_hdr_wmi);
u16 cmdid;
int rc, rc1;
if (cmdlen <= 0)
return -EINVAL;
wmi = kmalloc(len, GFP_KERNEL);
if (!wmi)
return -ENOMEM;
rc = simple_write_to_buffer(wmi, len, ppos, buf, len);
if (rc < 0) {
kfree(wmi);
return rc;
}
cmd = &wmi[1];
cmdid = le16_to_cpu(wmi->id);
rc1 = wmi_send(wil, cmdid, cmd, cmdlen);
kfree(wmi);
wil_info(wil, "%s(0x%04x[%d]) -> %d\n", __func__, cmdid, cmdlen, rc1);
return rc;
}
static const struct file_operations fops_wmi = {
.write = wil_write_file_wmi,
.open = simple_open,
};
static void wil_seq_hexdump(struct seq_file *s, void *p, int len,
const char *prefix)
{
char printbuf[16 * 3 + 2];
int i = 0;
while (i < len) {
int l = min(len - i, 16);
hex_dump_to_buffer(p + i, l, 16, 1, printbuf,
sizeof(printbuf), false);
seq_printf(s, "%s%s\n", prefix, printbuf);
i += l;
}
}
static void wil_seq_print_skb(struct seq_file *s, struct sk_buff *skb)
{
int i = 0;
int len = skb_headlen(skb);
void *p = skb->data;
int nr_frags = skb_shinfo(skb)->nr_frags;
seq_printf(s, " len = %d\n", len);
wil_seq_hexdump(s, p, len, " : ");
if (nr_frags) {
seq_printf(s, " nr_frags = %d\n", nr_frags);
for (i = 0; i < nr_frags; i++) {
const struct skb_frag_struct *frag =
&skb_shinfo(skb)->frags[i];
len = skb_frag_size(frag);
p = skb_frag_address_safe(frag);
seq_printf(s, " [%2d] : len = %d\n", i, len);
wil_seq_hexdump(s, p, len, " : ");
}
}
}
/*---------Tx/Rx descriptor------------*/
static int wil_txdesc_debugfs_show(struct seq_file *s, void *data)
{
struct wil6210_priv *wil = s->private;
struct vring *vring;
bool tx = (dbg_vring_index < WIL6210_MAX_TX_RINGS);
vring = tx ? &wil->vring_tx[dbg_vring_index] : &wil->vring_rx;
if (!vring->va) {
if (tx)
seq_printf(s, "No Tx[%2d] VRING\n", dbg_vring_index);
else
seq_puts(s, "No Rx VRING\n");
return 0;
}
if (dbg_txdesc_index < vring->size) {
/* use struct vring_tx_desc for Rx as well,
* only field used, .dma.length, is the same
*/
volatile struct vring_tx_desc *d =
&vring->va[dbg_txdesc_index].tx;
volatile u32 *u = (volatile u32 *)d;
struct sk_buff *skb = vring->ctx[dbg_txdesc_index].skb;
if (tx)
seq_printf(s, "Tx[%2d][%3d] = {\n", dbg_vring_index,
dbg_txdesc_index);
else
seq_printf(s, "Rx[%3d] = {\n", dbg_txdesc_index);
seq_printf(s, " MAC = 0x%08x 0x%08x 0x%08x 0x%08x\n",
u[0], u[1], u[2], u[3]);
seq_printf(s, " DMA = 0x%08x 0x%08x 0x%08x 0x%08x\n",
u[4], u[5], u[6], u[7]);
seq_printf(s, " SKB = 0x%p\n", skb);
if (skb) {
skb_get(skb);
wil_seq_print_skb(s, skb);
kfree_skb(skb);
}
seq_puts(s, "}\n");
} else {
if (tx)
seq_printf(s, "[%2d] TxDesc index (%d) >= size (%d)\n",
dbg_vring_index, dbg_txdesc_index,
vring->size);
else
seq_printf(s, "RxDesc index (%d) >= size (%d)\n",
dbg_txdesc_index, vring->size);
}
return 0;
}
static int wil_txdesc_seq_open(struct inode *inode, struct file *file)
{
return single_open(file, wil_txdesc_debugfs_show, inode->i_private);
}
static const struct file_operations fops_txdesc = {
.open = wil_txdesc_seq_open,
.release = single_release,
.read = seq_read,
.llseek = seq_lseek,
};
/*---------beamforming------------*/
static char *wil_bfstatus_str(u32 status)
{
switch (status) {
case 0:
return "Failed";
case 1:
return "OK";
case 2:
return "Retrying";
default:
return "??";
}
}
static bool is_all_zeros(void * const x_, size_t sz)
{
/* if reply is all-0, ignore this CID */
u32 *x = x_;
int n;
for (n = 0; n < sz / sizeof(*x); n++)
if (x[n])
return false;
return true;
}
static int wil_bf_debugfs_show(struct seq_file *s, void *data)
{
int rc;
int i;
struct wil6210_priv *wil = s->private;
struct wmi_notify_req_cmd cmd = {
.interval_usec = 0,
};
struct {
struct wil6210_mbox_hdr_wmi wmi;
struct wmi_notify_req_done_event evt;
} __packed reply;
for (i = 0; i < ARRAY_SIZE(wil->sta); i++) {
u32 status;
cmd.cid = i;
rc = wmi_call(wil, WMI_NOTIFY_REQ_CMDID, &cmd, sizeof(cmd),
WMI_NOTIFY_REQ_DONE_EVENTID, &reply,
sizeof(reply), 20);
/* if reply is all-0, ignore this CID */
if (rc || is_all_zeros(&reply.evt, sizeof(reply.evt)))
continue;
status = le32_to_cpu(reply.evt.status);
seq_printf(s, "CID %d {\n"
" TSF = 0x%016llx\n"
" TxMCS = %2d TxTpt = %4d\n"
" SQI = %4d\n"
" Status = 0x%08x %s\n"
" Sectors(rx:tx) my %2d:%2d peer %2d:%2d\n"
" Goodput(rx:tx) %4d:%4d\n"
"}\n",
i,
le64_to_cpu(reply.evt.tsf),
le16_to_cpu(reply.evt.bf_mcs),
le32_to_cpu(reply.evt.tx_tpt),
reply.evt.sqi,
status, wil_bfstatus_str(status),
le16_to_cpu(reply.evt.my_rx_sector),
le16_to_cpu(reply.evt.my_tx_sector),
le16_to_cpu(reply.evt.other_rx_sector),
le16_to_cpu(reply.evt.other_tx_sector),
le32_to_cpu(reply.evt.rx_goodput),
le32_to_cpu(reply.evt.tx_goodput));
}
return 0;
}
static int wil_bf_seq_open(struct inode *inode, struct file *file)
{
return single_open(file, wil_bf_debugfs_show, inode->i_private);
}
static const struct file_operations fops_bf = {
.open = wil_bf_seq_open,
.release = single_release,
.read = seq_read,
.llseek = seq_lseek,
};
/*---------SSID------------*/
static ssize_t wil_read_file_ssid(struct file *file, char __user *user_buf,
size_t count, loff_t *ppos)
{
struct wil6210_priv *wil = file->private_data;
struct wireless_dev *wdev = wil_to_wdev(wil);
return simple_read_from_buffer(user_buf, count, ppos,
wdev->ssid, wdev->ssid_len);
}
static ssize_t wil_write_file_ssid(struct file *file, const char __user *buf,
size_t count, loff_t *ppos)
{
struct wil6210_priv *wil = file->private_data;
struct wireless_dev *wdev = wil_to_wdev(wil);
struct net_device *ndev = wil_to_ndev(wil);
if (*ppos != 0) {
wil_err(wil, "Unable to set SSID substring from [%d]\n",
(int)*ppos);
return -EINVAL;
}
if (count > sizeof(wdev->ssid)) {
wil_err(wil, "SSID too long, len = %d\n", (int)count);
return -EINVAL;
}
if (netif_running(ndev)) {
wil_err(wil, "Unable to change SSID on running interface\n");
return -EINVAL;
}
wdev->ssid_len = count;
return simple_write_to_buffer(wdev->ssid, wdev->ssid_len, ppos,
buf, count);
}
static const struct file_operations fops_ssid = {
.read = wil_read_file_ssid,
.write = wil_write_file_ssid,
.open = simple_open,
};
/*---------temp------------*/
static void print_temp(struct seq_file *s, const char *prefix, u32 t)
{
switch (t) {
case 0:
case ~(u32)0:
seq_printf(s, "%s N/A\n", prefix);
break;
default:
seq_printf(s, "%s %d.%03d\n", prefix, t / 1000, t % 1000);
break;
}
}
static int wil_temp_debugfs_show(struct seq_file *s, void *data)
{
struct wil6210_priv *wil = s->private;
u32 t_m, t_r;
int rc = wmi_get_temperature(wil, &t_m, &t_r);
if (rc) {
seq_puts(s, "Failed\n");
return 0;
}
print_temp(s, "T_mac =", t_m);
print_temp(s, "T_radio =", t_r);
return 0;
}
static int wil_temp_seq_open(struct inode *inode, struct file *file)
{
return single_open(file, wil_temp_debugfs_show, inode->i_private);
}
static const struct file_operations fops_temp = {
.open = wil_temp_seq_open,
.release = single_release,
.read = seq_read,
.llseek = seq_lseek,
};
/*---------freq------------*/
static int wil_freq_debugfs_show(struct seq_file *s, void *data)
{
struct wil6210_priv *wil = s->private;
struct wireless_dev *wdev = wil_to_wdev(wil);
u16 freq = wdev->chandef.chan ? wdev->chandef.chan->center_freq : 0;
seq_printf(s, "Freq = %d\n", freq);
return 0;
}
static int wil_freq_seq_open(struct inode *inode, struct file *file)
{
return single_open(file, wil_freq_debugfs_show, inode->i_private);
}
static const struct file_operations fops_freq = {
.open = wil_freq_seq_open,
.release = single_release,
.read = seq_read,
.llseek = seq_lseek,
};
/*---------link------------*/
static int wil_link_debugfs_show(struct seq_file *s, void *data)
{
struct wil6210_priv *wil = s->private;
struct station_info sinfo;
int i, rc;
for (i = 0; i < ARRAY_SIZE(wil->sta); i++) {
struct wil_sta_info *p = &wil->sta[i];
char *status = "unknown";
switch (p->status) {
case wil_sta_unused:
status = "unused ";
break;
case wil_sta_conn_pending:
status = "pending ";
break;
case wil_sta_connected:
status = "connected";
break;
}
seq_printf(s, "[%d] %pM %s%s\n", i, p->addr, status,
(p->data_port_open ? " data_port_open" : ""));
if (p->status == wil_sta_connected) {
rc = wil_cid_fill_sinfo(wil, i, &sinfo);
if (rc)
return rc;
seq_printf(s, " Tx_mcs = %d\n", sinfo.txrate.mcs);
seq_printf(s, " Rx_mcs = %d\n", sinfo.rxrate.mcs);
seq_printf(s, " SQ = %d\n", sinfo.signal);
}
}
return 0;
}
static int wil_link_seq_open(struct inode *inode, struct file *file)
{
return single_open(file, wil_link_debugfs_show, inode->i_private);
}
static const struct file_operations fops_link = {
.open = wil_link_seq_open,
.release = single_release,
.read = seq_read,
.llseek = seq_lseek,
};
/*---------info------------*/
static int wil_info_debugfs_show(struct seq_file *s, void *data)
{
struct wil6210_priv *wil = s->private;
struct net_device *ndev = wil_to_ndev(wil);
int is_ac = power_supply_is_system_supplied();
int rx = atomic_xchg(&wil->isr_count_rx, 0);
int tx = atomic_xchg(&wil->isr_count_tx, 0);
static ulong rxf_old, txf_old;
ulong rxf = ndev->stats.rx_packets;
ulong txf = ndev->stats.tx_packets;
unsigned int i;
/* >0 : AC; 0 : battery; <0 : error */
seq_printf(s, "AC powered : %d\n", is_ac);
seq_printf(s, "Rx irqs:packets : %8d : %8ld\n", rx, rxf - rxf_old);
seq_printf(s, "Tx irqs:packets : %8d : %8ld\n", tx, txf - txf_old);
rxf_old = rxf;
txf_old = txf;
#define CHECK_QSTATE(x) (state & BIT(__QUEUE_STATE_ ## x)) ? \
" " __stringify(x) : ""
for (i = 0; i < ndev->num_tx_queues; i++) {
struct netdev_queue *txq = netdev_get_tx_queue(ndev, i);
unsigned long state = txq->state;
seq_printf(s, "Tx queue[%i] state : 0x%lx%s%s%s\n", i, state,
CHECK_QSTATE(DRV_XOFF),
CHECK_QSTATE(STACK_XOFF),
CHECK_QSTATE(FROZEN)
);
}
#undef CHECK_QSTATE
return 0;
}
static int wil_info_seq_open(struct inode *inode, struct file *file)
{
return single_open(file, wil_info_debugfs_show, inode->i_private);
}
static const struct file_operations fops_info = {
.open = wil_info_seq_open,
.release = single_release,
.read = seq_read,
.llseek = seq_lseek,
};
/*---------recovery------------*/
/* mode = [manual|auto]
* state = [idle|pending|running]
*/
static ssize_t wil_read_file_recovery(struct file *file, char __user *user_buf,
size_t count, loff_t *ppos)
{
struct wil6210_priv *wil = file->private_data;
char buf[80];
int n;
static const char * const sstate[] = {"idle", "pending", "running"};
n = snprintf(buf, sizeof(buf), "mode = %s\nstate = %s\n",
no_fw_recovery ? "manual" : "auto",
sstate[wil->recovery_state]);
n = min_t(int, n, sizeof(buf));
return simple_read_from_buffer(user_buf, count, ppos,
buf, n);
}
static ssize_t wil_write_file_recovery(struct file *file,
const char __user *buf_,
size_t count, loff_t *ppos)
{
struct wil6210_priv *wil = file->private_data;
static const char run_command[] = "run";
char buf[sizeof(run_command) + 1]; /* to detect "runx" */
ssize_t rc;
if (wil->recovery_state != fw_recovery_pending) {
wil_err(wil, "No recovery pending\n");
return -EINVAL;
}
if (*ppos != 0) {
wil_err(wil, "Offset [%d]\n", (int)*ppos);
return -EINVAL;
}
if (count > sizeof(buf)) {
wil_err(wil, "Input too long, len = %d\n", (int)count);
return -EINVAL;
}
rc = simple_write_to_buffer(buf, sizeof(buf) - 1, ppos, buf_, count);
if (rc < 0)
return rc;
buf[rc] = '\0';
if (0 == strcmp(buf, run_command))
wil_set_recovery_state(wil, fw_recovery_running);
else
wil_err(wil, "Bad recovery command \"%s\"\n", buf);
return rc;
}
static const struct file_operations fops_recovery = {
.read = wil_read_file_recovery,
.write = wil_write_file_recovery,
.open = simple_open,
};
/*---------Station matrix------------*/
static void wil_print_rxtid(struct seq_file *s, struct wil_tid_ampdu_rx *r)
{
int i;
u16 index = ((r->head_seq_num - r->ssn) & 0xfff) % r->buf_size;
seq_printf(s, "0x%03x [", r->head_seq_num);
for (i = 0; i < r->buf_size; i++) {
if (i == index)
seq_printf(s, "%c", r->reorder_buf[i] ? 'O' : '|');
else
seq_printf(s, "%c", r->reorder_buf[i] ? '*' : '_');
}
seq_printf(s, "] last drop 0x%03x\n", r->ssn_last_drop);
}
static int wil_sta_debugfs_show(struct seq_file *s, void *data)
{
struct wil6210_priv *wil = s->private;
int i, tid;
unsigned long flags;
for (i = 0; i < ARRAY_SIZE(wil->sta); i++) {
struct wil_sta_info *p = &wil->sta[i];
char *status = "unknown";
switch (p->status) {
case wil_sta_unused:
status = "unused ";
break;
case wil_sta_conn_pending:
status = "pending ";
break;
case wil_sta_connected:
status = "connected";
break;
}
seq_printf(s, "[%d] %pM %s%s\n", i, p->addr, status,
(p->data_port_open ? " data_port_open" : ""));
if (p->status == wil_sta_connected) {
spin_lock_irqsave(&p->tid_rx_lock, flags);
for (tid = 0; tid < WIL_STA_TID_NUM; tid++) {
struct wil_tid_ampdu_rx *r = p->tid_rx[tid];
if (r) {
seq_printf(s, "[%2d] ", tid);
wil_print_rxtid(s, r);
}
}
spin_unlock_irqrestore(&p->tid_rx_lock, flags);
}
}
return 0;
}
static int wil_sta_seq_open(struct inode *inode, struct file *file)
{
return single_open(file, wil_sta_debugfs_show, inode->i_private);
}
static const struct file_operations fops_sta = {
.open = wil_sta_seq_open,
.release = single_release,
.read = seq_read,
.llseek = seq_lseek,
};
/*----------------*/
static void wil6210_debugfs_init_blobs(struct wil6210_priv *wil,
struct dentry *dbg)
{
int i;
char name[32];
for (i = 0; i < ARRAY_SIZE(fw_mapping); i++) {
struct debugfs_blob_wrapper *blob = &wil->blobs[i];
const struct fw_map *map = &fw_mapping[i];
if (!map->name)
continue;
blob->data = (void * __force)wil->csr + HOSTADDR(map->host);
blob->size = map->to - map->from;
snprintf(name, sizeof(name), "blob_%s", map->name);
wil_debugfs_create_ioblob(name, S_IRUGO, dbg, blob);
}
}
/* misc files */
static const struct {
const char *name;
umode_t mode;
const struct file_operations *fops;
} dbg_files[] = {
{"mbox", S_IRUGO, &fops_mbox},
{"vrings", S_IRUGO, &fops_vring},
{"stations", S_IRUGO, &fops_sta},
{"desc", S_IRUGO, &fops_txdesc},
{"bf", S_IRUGO, &fops_bf},
{"ssid", S_IRUGO | S_IWUSR, &fops_ssid},
{"mem_val", S_IRUGO, &fops_memread},
{"reset", S_IWUSR, &fops_reset},
{"rxon", S_IWUSR, &fops_rxon},
{"tx_mgmt", S_IWUSR, &fops_txmgmt},
{"wmi_send", S_IWUSR, &fops_wmi},
{"temp", S_IRUGO, &fops_temp},
{"freq", S_IRUGO, &fops_freq},
{"link", S_IRUGO, &fops_link},
{"info", S_IRUGO, &fops_info},
{"recovery", S_IRUGO | S_IWUSR, &fops_recovery},
};
static void wil6210_debugfs_init_files(struct wil6210_priv *wil,
struct dentry *dbg)
{
int i;
for (i = 0; i < ARRAY_SIZE(dbg_files); i++)
debugfs_create_file(dbg_files[i].name, dbg_files[i].mode, dbg,
wil, dbg_files[i].fops);
}
/* interrupt control blocks */
static const struct {
const char *name;
u32 icr_off;
} dbg_icr[] = {
{"USER_ICR", HOSTADDR(RGF_USER_USER_ICR)},
{"DMA_EP_TX_ICR", HOSTADDR(RGF_DMA_EP_TX_ICR)},
{"DMA_EP_RX_ICR", HOSTADDR(RGF_DMA_EP_RX_ICR)},
{"DMA_EP_MISC_ICR", HOSTADDR(RGF_DMA_EP_MISC_ICR)},
};
static void wil6210_debugfs_init_isr(struct wil6210_priv *wil,
struct dentry *dbg)
{
int i;
for (i = 0; i < ARRAY_SIZE(dbg_icr); i++)
wil6210_debugfs_create_ISR(wil, dbg_icr[i].name, dbg,
dbg_icr[i].icr_off);
}
#define WIL_FIELD(name, mode, type) { __stringify(name), mode, \
offsetof(struct wil6210_priv, name), type}
/* fields in struct wil6210_priv */
static const struct dbg_off dbg_wil_off[] = {
WIL_FIELD(secure_pcp, S_IRUGO | S_IWUSR, doff_u32),
WIL_FIELD(status, S_IRUGO | S_IWUSR, doff_ulong),
WIL_FIELD(fw_version, S_IRUGO, doff_u32),
WIL_FIELD(hw_version, S_IRUGO, doff_x32),
WIL_FIELD(recovery_count, S_IRUGO, doff_u32),
{},
};
static const struct dbg_off dbg_wil_regs[] = {
{"RGF_MAC_MTRL_COUNTER_0", S_IRUGO, HOSTADDR(RGF_MAC_MTRL_COUNTER_0),
doff_io32},
{"RGF_USER_USAGE_1", S_IRUGO, HOSTADDR(RGF_USER_USAGE_1), doff_io32},
{},
};
/* static parameters */
static const struct dbg_off dbg_statics[] = {
{"desc_index", S_IRUGO | S_IWUSR, (ulong)&dbg_txdesc_index, doff_u32},
{"vring_index", S_IRUGO | S_IWUSR, (ulong)&dbg_vring_index, doff_u32},
{"mem_addr", S_IRUGO | S_IWUSR, (ulong)&mem_addr, doff_u32},
{},
};
int wil6210_debugfs_init(struct wil6210_priv *wil)
{
struct dentry *dbg = wil->debug = debugfs_create_dir(WIL_NAME,
wil_to_wiphy(wil)->debugfsdir);
if (IS_ERR_OR_NULL(dbg))
return -ENODEV;
wil6210_debugfs_init_files(wil, dbg);
wil6210_debugfs_init_isr(wil, dbg);
wil6210_debugfs_init_blobs(wil, dbg);
wil6210_debugfs_init_offset(wil, dbg, wil, dbg_wil_off);
wil6210_debugfs_init_offset(wil, dbg, (void * __force)wil->csr,
dbg_wil_regs);
wil6210_debugfs_init_offset(wil, dbg, NULL, dbg_statics);
wil6210_debugfs_create_pseudo_ISR(wil, dbg);
wil6210_debugfs_create_ITR_CNT(wil, dbg);
return 0;
}
void wil6210_debugfs_remove(struct wil6210_priv *wil)
{
debugfs_remove_recursive(wil->debug);
wil->debug = NULL;
}