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linux/linux-5.18.11/drivers/net/wireless/ath/wil6210/debugfs.c

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// SPDX-License-Identifier: ISC
/*
* Copyright (c) 2012-2017 Qualcomm Atheros, Inc.
* Copyright (c) 2018-2019, The Linux Foundation. All rights reserved.
*/
#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"
#include "pmc.h"
/* Nasty hack. Better have per device instances */
static u32 mem_addr;
static u32 dbg_txdesc_index;
static u32 dbg_ring_index; /* 24+ for Rx, 0..23 for Tx */
static u32 dbg_status_msg_index;
/* 0..wil->num_rx_status_rings-1 for Rx, wil->tx_sring_idx for Tx */
static u32 dbg_sring_index;
enum dbg_off_type {
doff_u32 = 0,
doff_x32 = 1,
doff_ulong = 2,
doff_io32 = 3,
doff_u8 = 4
};
/* offset to "wil" */
struct dbg_off {
const char *name;
umode_t mode;
ulong off;
enum dbg_off_type type;
};
static void wil_print_desc_edma(struct seq_file *s, struct wil6210_priv *wil,
struct wil_ring *ring,
char _s, char _h, int idx)
{
u8 num_of_descs;
bool has_skb = false;
if (ring->is_rx) {
struct wil_rx_enhanced_desc *rx_d =
(struct wil_rx_enhanced_desc *)
&ring->va[idx].rx.enhanced;
u16 buff_id = le16_to_cpu(rx_d->mac.buff_id);
if (wil->rx_buff_mgmt.buff_arr &&
wil_val_in_range(buff_id, 0, wil->rx_buff_mgmt.size))
has_skb = wil->rx_buff_mgmt.buff_arr[buff_id].skb;
seq_printf(s, "%c", (has_skb) ? _h : _s);
} else {
struct wil_tx_enhanced_desc *d =
(struct wil_tx_enhanced_desc *)
&ring->va[idx].tx.enhanced;
num_of_descs = (u8)d->mac.d[2];
has_skb = ring->ctx && ring->ctx[idx].skb;
if (num_of_descs >= 1)
seq_printf(s, "%c", has_skb ? _h : _s);
else
/* num_of_descs == 0, it's a frag in a list of descs */
seq_printf(s, "%c", has_skb ? 'h' : _s);
}
}
static void wil_print_ring(struct seq_file *s, struct wil6210_priv *wil,
const char *name, struct wil_ring *ring,
char _s, char _h)
{
void __iomem *x;
u32 v;
seq_printf(s, "RING %s = {\n", name);
seq_printf(s, " pa = %pad\n", &ring->pa);
seq_printf(s, " va = 0x%p\n", ring->va);
seq_printf(s, " size = %d\n", ring->size);
if (wil->use_enhanced_dma_hw && ring->is_rx)
seq_printf(s, " swtail = %u\n", *ring->edma_rx_swtail.va);
else
seq_printf(s, " swtail = %d\n", ring->swtail);
seq_printf(s, " swhead = %d\n", ring->swhead);
if (wil->use_enhanced_dma_hw) {
int ring_id = ring->is_rx ?
WIL_RX_DESC_RING_ID : ring - wil->ring_tx;
/* SUBQ_CONS is a table of 32 entries, one for each Q pair.
* lower 16bits are for even ring_id and upper 16bits are for
* odd ring_id
*/
x = wmi_addr(wil, RGF_DMA_SCM_SUBQ_CONS + 4 * (ring_id / 2));
v = readl_relaxed(x);
v = (ring_id % 2 ? (v >> 16) : (v & 0xffff));
seq_printf(s, " hwhead = %u\n", v);
}
seq_printf(s, " hwtail = [0x%08x] -> ", ring->hwtail);
x = wmi_addr(wil, ring->hwtail);
if (x) {
v = readl(x);
seq_printf(s, "0x%08x = %d\n", v, v);
} else {
seq_puts(s, "???\n");
}
if (ring->va && (ring->size <= (1 << WIL_RING_SIZE_ORDER_MAX))) {
uint i;
for (i = 0; i < ring->size; i++) {
if ((i % 128) == 0 && i != 0)
seq_puts(s, "\n");
if (wil->use_enhanced_dma_hw) {
wil_print_desc_edma(s, wil, ring, _s, _h, i);
} else {
volatile struct vring_tx_desc *d =
&ring->va[i].tx.legacy;
seq_printf(s, "%c", (d->dma.status & BIT(0)) ?
_s : (ring->ctx[i].skb ? _h : 'h'));
}
}
seq_puts(s, "\n");
}
seq_puts(s, "}\n");
}
static int ring_show(struct seq_file *s, void *data)
{
uint i;
struct wil6210_priv *wil = s->private;
wil_print_ring(s, wil, "rx", &wil->ring_rx, 'S', '_');
for (i = 0; i < ARRAY_SIZE(wil->ring_tx); i++) {
struct wil_ring *ring = &wil->ring_tx[i];
struct wil_ring_tx_data *txdata = &wil->ring_tx_data[i];
if (ring->va) {
int cid = wil->ring2cid_tid[i][0];
int tid = wil->ring2cid_tid[i][1];
u32 swhead = ring->swhead;
u32 swtail = ring->swtail;
int used = (ring->size + swhead - swtail)
% ring->size;
int avail = ring->size - used - 1;
char name[10];
char sidle[10];
/* performance monitoring */
cycles_t now = get_cycles();
uint64_t idle = txdata->idle * 100;
uint64_t total = now - txdata->begin;
if (total != 0) {
do_div(idle, total);
snprintf(sidle, sizeof(sidle), "%3d%%",
(int)idle);
} else {
snprintf(sidle, sizeof(sidle), "N/A");
}
txdata->begin = now;
txdata->idle = 0ULL;
snprintf(name, sizeof(name), "tx_%2d", i);
if (cid < wil->max_assoc_sta)
seq_printf(s,
"\n%pM CID %d TID %d 1x%s BACK([%u] %u TU A%s) [%3d|%3d] idle %s\n",
wil->sta[cid].addr, cid, tid,
txdata->dot1x_open ? "+" : "-",
txdata->agg_wsize,
txdata->agg_timeout,
txdata->agg_amsdu ? "+" : "-",
used, avail, sidle);
else
seq_printf(s,
"\nBroadcast 1x%s [%3d|%3d] idle %s\n",
txdata->dot1x_open ? "+" : "-",
used, avail, sidle);
wil_print_ring(s, wil, name, ring, '_', 'H');
}
}
return 0;
}
DEFINE_SHOW_ATTRIBUTE(ring);
static void wil_print_sring(struct seq_file *s, struct wil6210_priv *wil,
struct wil_status_ring *sring)
{
void __iomem *x;
int sring_idx = sring - wil->srings;
u32 v;
seq_printf(s, "Status Ring %s [ %d ] = {\n",
sring->is_rx ? "RX" : "TX", sring_idx);
seq_printf(s, " pa = %pad\n", &sring->pa);
seq_printf(s, " va = 0x%pK\n", sring->va);
seq_printf(s, " size = %d\n", sring->size);
seq_printf(s, " elem_size = %zu\n", sring->elem_size);
seq_printf(s, " swhead = %d\n", sring->swhead);
if (wil->use_enhanced_dma_hw) {
/* COMPQ_PROD is a table of 32 entries, one for each Q pair.
* lower 16bits are for even ring_id and upper 16bits are for
* odd ring_id
*/
x = wmi_addr(wil, RGF_DMA_SCM_COMPQ_PROD + 4 * (sring_idx / 2));
v = readl_relaxed(x);
v = (sring_idx % 2 ? (v >> 16) : (v & 0xffff));
seq_printf(s, " hwhead = %u\n", v);
}
seq_printf(s, " hwtail = [0x%08x] -> ", sring->hwtail);
x = wmi_addr(wil, sring->hwtail);
if (x) {
v = readl_relaxed(x);
seq_printf(s, "0x%08x = %d\n", v, v);
} else {
seq_puts(s, "???\n");
}
seq_printf(s, " desc_rdy_pol = %d\n", sring->desc_rdy_pol);
seq_printf(s, " invalid_buff_id_cnt = %d\n",
sring->invalid_buff_id_cnt);
if (sring->va && (sring->size <= (1 << WIL_RING_SIZE_ORDER_MAX))) {
uint i;
for (i = 0; i < sring->size; i++) {
u32 *sdword_0 =
(u32 *)(sring->va + (sring->elem_size * i));
if ((i % 128) == 0 && i != 0)
seq_puts(s, "\n");
if (i == sring->swhead)
seq_printf(s, "%c", (*sdword_0 & BIT(31)) ?
'X' : 'x');
else
seq_printf(s, "%c", (*sdword_0 & BIT(31)) ?
'1' : '0');
}
seq_puts(s, "\n");
}
seq_puts(s, "}\n");
}
static int srings_show(struct seq_file *s, void *data)
{
struct wil6210_priv *wil = s->private;
int i = 0;
for (i = 0; i < WIL6210_MAX_STATUS_RINGS; i++)
if (wil->srings[i].va)
wil_print_sring(s, wil, &wil->srings[i]);
return 0;
}
DEFINE_SHOW_ATTRIBUTE(srings);
static void wil_seq_hexdump(struct seq_file *s, void *p, int len,
const char *prefix)
{
seq_hex_dump(s, prefix, DUMP_PREFIX_NONE, 16, 1, p, len, false);
}
static void wil_print_mbox_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_halp_vote(wil);
if (wil_mem_access_lock(wil)) {
wil_halp_unvote(wil);
return;
}
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) {
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);
wil_seq_hexdump(s, databuf, len, " : ");
}
} else {
seq_puts(s, "\n");
}
}
out:
seq_puts(s, "}\n");
wil_mem_access_unlock(wil);
wil_halp_unvote(wil);
}
static int mbox_show(struct seq_file *s, void *data)
{
struct wil6210_priv *wil = s->private;
int ret;
ret = wil_pm_runtime_get(wil);
if (ret < 0)
return ret;
wil_print_mbox_ring(s, "tx", wil->csr + HOST_MBOX +
offsetof(struct wil6210_mbox_ctl, tx));
wil_print_mbox_ring(s, "rx", wil->csr + HOST_MBOX +
offsetof(struct wil6210_mbox_ctl, rx));
wil_pm_runtime_put(wil);
return 0;
}
DEFINE_SHOW_ATTRIBUTE(mbox);
static int wil_debugfs_iomem_x32_set(void *data, u64 val)
{
struct wil_debugfs_iomem_data *d = (struct
wil_debugfs_iomem_data *)data;
struct wil6210_priv *wil = d->wil;
int ret;
ret = wil_pm_runtime_get(wil);
if (ret < 0)
return ret;
writel_relaxed(val, (void __iomem *)d->offset);
wmb(); /* make sure write propagated to HW */
wil_pm_runtime_put(wil);
return 0;
}
static int wil_debugfs_iomem_x32_get(void *data, u64 *val)
{
struct wil_debugfs_iomem_data *d = (struct
wil_debugfs_iomem_data *)data;
struct wil6210_priv *wil = d->wil;
int ret;
ret = wil_pm_runtime_get(wil);
if (ret < 0)
return ret;
*val = readl((void __iomem *)d->offset);
wil_pm_runtime_put(wil);
return 0;
}
DEFINE_DEBUGFS_ATTRIBUTE(fops_iomem_x32, wil_debugfs_iomem_x32_get,
wil_debugfs_iomem_x32_set, "0x%08llx\n");
static void wil_debugfs_create_iomem_x32(const char *name, umode_t mode,
struct dentry *parent, void *value,
struct wil6210_priv *wil)
{
struct wil_debugfs_iomem_data *data = &wil->dbg_data.data_arr[
wil->dbg_data.iomem_data_count];
data->wil = wil;
data->offset = value;
debugfs_create_file_unsafe(name, mode, parent, data, &fops_iomem_x32);
wil->dbg_data.iomem_data_count++;
}
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_DEBUGFS_ATTRIBUTE(wil_fops_ulong, wil_debugfs_ulong_get,
wil_debugfs_ulong_set, "0x%llx\n");
/**
* 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++) {
switch (tbl[i].type) {
case doff_u32:
debugfs_create_u32(tbl[i].name, tbl[i].mode, dbg,
base + tbl[i].off);
break;
case doff_x32:
debugfs_create_x32(tbl[i].name, tbl[i].mode, dbg,
base + tbl[i].off);
break;
case doff_ulong:
debugfs_create_file_unsafe(tbl[i].name, tbl[i].mode,
dbg, base + tbl[i].off,
&wil_fops_ulong);
break;
case doff_io32:
wil_debugfs_create_iomem_x32(tbl[i].name, tbl[i].mode,
dbg, base + tbl[i].off,
wil);
break;
case doff_u8:
debugfs_create_u8(tbl[i].name, tbl[i].mode, dbg,
base + tbl[i].off);
break;
}
}
}
static const struct dbg_off isr_off[] = {
{"ICC", 0644, offsetof(struct RGF_ICR, ICC), doff_io32},
{"ICR", 0644, offsetof(struct RGF_ICR, ICR), doff_io32},
{"ICM", 0644, offsetof(struct RGF_ICR, ICM), doff_io32},
{"ICS", 0244, offsetof(struct RGF_ICR, ICS), doff_io32},
{"IMV", 0644, offsetof(struct RGF_ICR, IMV), doff_io32},
{"IMS", 0244, offsetof(struct RGF_ICR, IMS), doff_io32},
{"IMC", 0244, offsetof(struct RGF_ICR, IMC), doff_io32},
{},
};
static void wil6210_debugfs_create_ISR(struct wil6210_priv *wil,
const char *name, struct dentry *parent,
u32 off)
{
struct dentry *d = debugfs_create_dir(name, parent);
wil6210_debugfs_init_offset(wil, d, (void * __force)wil->csr + off,
isr_off);
}
static const struct dbg_off pseudo_isr_off[] = {
{"CAUSE", 0444, HOSTADDR(RGF_DMA_PSEUDO_CAUSE), doff_io32},
{"MASK_SW", 0444, HOSTADDR(RGF_DMA_PSEUDO_CAUSE_MASK_SW), doff_io32},
{"MASK_FW", 0444, HOSTADDR(RGF_DMA_PSEUDO_CAUSE_MASK_FW), doff_io32},
{},
};
static void wil6210_debugfs_create_pseudo_ISR(struct wil6210_priv *wil,
struct dentry *parent)
{
struct dentry *d = debugfs_create_dir("PSEUDO_ISR", parent);
wil6210_debugfs_init_offset(wil, d, (void * __force)wil->csr,
pseudo_isr_off);
}
static const struct dbg_off lgc_itr_cnt_off[] = {
{"TRSH", 0644, HOSTADDR(RGF_DMA_ITR_CNT_TRSH), doff_io32},
{"DATA", 0644, HOSTADDR(RGF_DMA_ITR_CNT_DATA), doff_io32},
{"CTL", 0644, HOSTADDR(RGF_DMA_ITR_CNT_CRL), doff_io32},
{},
};
static const struct dbg_off tx_itr_cnt_off[] = {
{"TRSH", 0644, HOSTADDR(RGF_DMA_ITR_TX_CNT_TRSH),
doff_io32},
{"DATA", 0644, HOSTADDR(RGF_DMA_ITR_TX_CNT_DATA),
doff_io32},
{"CTL", 0644, HOSTADDR(RGF_DMA_ITR_TX_CNT_CTL),
doff_io32},
{"IDL_TRSH", 0644, HOSTADDR(RGF_DMA_ITR_TX_IDL_CNT_TRSH),
doff_io32},
{"IDL_DATA", 0644, HOSTADDR(RGF_DMA_ITR_TX_IDL_CNT_DATA),
doff_io32},
{"IDL_CTL", 0644, HOSTADDR(RGF_DMA_ITR_TX_IDL_CNT_CTL),
doff_io32},
{},
};
static const struct dbg_off rx_itr_cnt_off[] = {
{"TRSH", 0644, HOSTADDR(RGF_DMA_ITR_RX_CNT_TRSH),
doff_io32},
{"DATA", 0644, HOSTADDR(RGF_DMA_ITR_RX_CNT_DATA),
doff_io32},
{"CTL", 0644, HOSTADDR(RGF_DMA_ITR_RX_CNT_CTL),
doff_io32},
{"IDL_TRSH", 0644, HOSTADDR(RGF_DMA_ITR_RX_IDL_CNT_TRSH),
doff_io32},
{"IDL_DATA", 0644, HOSTADDR(RGF_DMA_ITR_RX_IDL_CNT_DATA),
doff_io32},
{"IDL_CTL", 0644, HOSTADDR(RGF_DMA_ITR_RX_IDL_CNT_CTL),
doff_io32},
{},
};
static int wil6210_debugfs_create_ITR_CNT(struct wil6210_priv *wil,
struct dentry *parent)
{
struct dentry *d, *dtx, *drx;
d = debugfs_create_dir("ITR_CNT", parent);
dtx = debugfs_create_dir("TX", d);
drx = debugfs_create_dir("RX", d);
wil6210_debugfs_init_offset(wil, d, (void * __force)wil->csr,
lgc_itr_cnt_off);
wil6210_debugfs_init_offset(wil, dtx, (void * __force)wil->csr,
tx_itr_cnt_off);
wil6210_debugfs_init_offset(wil, drx, (void * __force)wil->csr,
rx_itr_cnt_off);
return 0;
}
static int memread_show(struct seq_file *s, void *data)
{
struct wil6210_priv *wil = s->private;
void __iomem *a;
int ret;
ret = wil_pm_runtime_get(wil);
if (ret < 0)
return ret;
ret = wil_mem_access_lock(wil);
if (ret) {
wil_pm_runtime_put(wil);
return ret;
}
a = wmi_buffer(wil, cpu_to_le32(mem_addr));
if (a)
seq_printf(s, "[0x%08x] = 0x%08x\n", mem_addr, readl(a));
else
seq_printf(s, "[0x%08x] = INVALID\n", mem_addr);
wil_mem_access_unlock(wil);
wil_pm_runtime_put(wil);
return 0;
}
DEFINE_SHOW_ATTRIBUTE(memread);
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 wil_blob_wrapper *wil_blob = file->private_data;
struct wil6210_priv *wil = wil_blob->wil;
loff_t aligned_pos, pos = *ppos;
size_t available = wil_blob->blob.size;
void *buf;
size_t unaligned_bytes, aligned_count, ret;
int rc;
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;
/* set pos to 4 bytes aligned */
unaligned_bytes = pos % 4;
aligned_pos = pos - unaligned_bytes;
aligned_count = count + unaligned_bytes;
buf = kmalloc(aligned_count, GFP_KERNEL);
if (!buf)
return -ENOMEM;
rc = wil_pm_runtime_get(wil);
if (rc < 0) {
kfree(buf);
return rc;
}
rc = wil_mem_access_lock(wil);
if (rc) {
kfree(buf);
wil_pm_runtime_put(wil);
return rc;
}
wil_memcpy_fromio_32(buf, (const void __iomem *)
wil_blob->blob.data + aligned_pos, aligned_count);
ret = copy_to_user(user_buf, buf + unaligned_bytes, count);
wil_mem_access_unlock(wil);
wil_pm_runtime_put(wil);
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 wil_blob_wrapper *wil_blob)
{
return debugfs_create_file(name, mode, parent, wil_blob, &fops_ioblob);
}
/*---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 = memdup_user_nul(buf, len);
if (IS_ERR(kbuf))
return PTR_ERR(kbuf);
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,
};
static ssize_t wil_write_file_rbufcap(struct file *file,
const char __user *buf,
size_t count, loff_t *ppos)
{
struct wil6210_priv *wil = file->private_data;
int val;
int rc;
rc = kstrtoint_from_user(buf, count, 0, &val);
if (rc) {
wil_err(wil, "Invalid argument\n");
return rc;
}
/* input value: negative to disable, 0 to use system default,
* 1..ring size to set descriptor threshold
*/
wil_info(wil, "%s RBUFCAP, descriptors threshold - %d\n",
val < 0 ? "Disabling" : "Enabling", val);
if (!wil->ring_rx.va || val > wil->ring_rx.size) {
wil_err(wil, "Invalid descriptors threshold, %d\n", val);
return -EINVAL;
}
rc = wmi_rbufcap_cfg(wil, val < 0 ? 0 : 1, val < 0 ? 0 : val);
if (rc) {
wil_err(wil, "RBUFCAP config failed: %d\n", rc);
return rc;
}
return count;
}
static const struct file_operations fops_rbufcap = {
.write = wil_write_file_rbufcap,
.open = simple_open,
};
/* block ack control, write:
* - "add <ringid> <agg_size> <timeout>" to trigger ADDBA
* - "del_tx <ringid> <reason>" to trigger DELBA for Tx side
* - "del_rx <CID> <TID> <reason>" to trigger DELBA for Rx side
*/
static ssize_t wil_write_back(struct file *file, const char __user *buf,
size_t len, loff_t *ppos)
{
struct wil6210_priv *wil = file->private_data;
int rc;
char *kbuf = kmalloc(len + 1, GFP_KERNEL);
char cmd[9];
int p1, p2, p3;
if (!kbuf)
return -ENOMEM;
rc = simple_write_to_buffer(kbuf, len, ppos, buf, len);
if (rc != len) {
kfree(kbuf);
return rc >= 0 ? -EIO : rc;
}
kbuf[len] = '\0';
rc = sscanf(kbuf, "%8s %d %d %d", cmd, &p1, &p2, &p3);
kfree(kbuf);
if (rc < 0)
return rc;
if (rc < 2)
return -EINVAL;
if ((strcmp(cmd, "add") == 0) ||
(strcmp(cmd, "del_tx") == 0)) {
struct wil_ring_tx_data *txdata;
if (p1 < 0 || p1 >= WIL6210_MAX_TX_RINGS) {
wil_err(wil, "BACK: invalid ring id %d\n", p1);
return -EINVAL;
}
txdata = &wil->ring_tx_data[p1];
if (strcmp(cmd, "add") == 0) {
if (rc < 3) {
wil_err(wil, "BACK: add require at least 2 params\n");
return -EINVAL;
}
if (rc < 4)
p3 = 0;
wmi_addba(wil, txdata->mid, p1, p2, p3);
} else {
if (rc < 3)
p2 = WLAN_REASON_QSTA_LEAVE_QBSS;
wmi_delba_tx(wil, txdata->mid, p1, p2);
}
} else if (strcmp(cmd, "del_rx") == 0) {
struct wil_sta_info *sta;
if (rc < 3) {
wil_err(wil,
"BACK: del_rx require at least 2 params\n");
return -EINVAL;
}
if (p1 < 0 || p1 >= wil->max_assoc_sta) {
wil_err(wil, "BACK: invalid CID %d\n", p1);
return -EINVAL;
}
if (rc < 4)
p3 = WLAN_REASON_QSTA_LEAVE_QBSS;
sta = &wil->sta[p1];
wmi_delba_rx(wil, sta->mid, p1, p2, p3);
} else {
wil_err(wil, "BACK: Unrecognized command \"%s\"\n", cmd);
return -EINVAL;
}
return len;
}
static ssize_t wil_read_back(struct file *file, char __user *user_buf,
size_t count, loff_t *ppos)
{
static const char text[] = "block ack control, write:\n"
" - \"add <ringid> <agg_size> <timeout>\" to trigger ADDBA\n"
"If missing, <timeout> defaults to 0\n"
" - \"del_tx <ringid> <reason>\" to trigger DELBA for Tx side\n"
" - \"del_rx <CID> <TID> <reason>\" to trigger DELBA for Rx side\n"
"If missing, <reason> set to \"STA_LEAVING\" (36)\n";
return simple_read_from_buffer(user_buf, count, ppos, text,
sizeof(text));
}
static const struct file_operations fops_back = {
.read = wil_read_back,
.write = wil_write_back,
.open = simple_open,
};
/* pmc control, write:
* - "alloc <num descriptors> <descriptor_size>" to allocate PMC
* - "free" to release memory allocated for PMC
*/
static ssize_t wil_write_pmccfg(struct file *file, const char __user *buf,
size_t len, loff_t *ppos)
{
struct wil6210_priv *wil = file->private_data;
int rc;
char *kbuf = kmalloc(len + 1, GFP_KERNEL);
char cmd[9];
int num_descs, desc_size;
if (!kbuf)
return -ENOMEM;
rc = simple_write_to_buffer(kbuf, len, ppos, buf, len);
if (rc != len) {
kfree(kbuf);
return rc >= 0 ? -EIO : rc;
}
kbuf[len] = '\0';
rc = sscanf(kbuf, "%8s %d %d", cmd, &num_descs, &desc_size);
kfree(kbuf);
if (rc < 0)
return rc;
if (rc < 1) {
wil_err(wil, "pmccfg: no params given\n");
return -EINVAL;
}
if (0 == strcmp(cmd, "alloc")) {
if (rc != 3) {
wil_err(wil, "pmccfg: alloc requires 2 params\n");
return -EINVAL;
}
wil_pmc_alloc(wil, num_descs, desc_size);
} else if (0 == strcmp(cmd, "free")) {
if (rc != 1) {
wil_err(wil, "pmccfg: free does not have any params\n");
return -EINVAL;
}
wil_pmc_free(wil, true);
} else {
wil_err(wil, "pmccfg: Unrecognized command \"%s\"\n", cmd);
return -EINVAL;
}
return len;
}
static ssize_t wil_read_pmccfg(struct file *file, char __user *user_buf,
size_t count, loff_t *ppos)
{
struct wil6210_priv *wil = file->private_data;
char text[256];
char help[] = "pmc control, write:\n"
" - \"alloc <num descriptors> <descriptor_size>\" to allocate pmc\n"
" - \"free\" to free memory allocated for pmc\n";
snprintf(text, sizeof(text), "Last command status: %d\n\n%s",
wil_pmc_last_cmd_status(wil), help);
return simple_read_from_buffer(user_buf, count, ppos, text,
strlen(text) + 1);
}
static const struct file_operations fops_pmccfg = {
.read = wil_read_pmccfg,
.write = wil_write_pmccfg,
.open = simple_open,
};
static const struct file_operations fops_pmcdata = {
.open = simple_open,
.read = wil_pmc_read,
.llseek = wil_pmc_llseek,
};
static int wil_pmcring_seq_open(struct inode *inode, struct file *file)
{
return single_open(file, wil_pmcring_read, inode->i_private);
}
static const struct file_operations fops_pmcring = {
.open = wil_pmcring_seq_open,
.release = single_release,
.read = seq_read,
.llseek = seq_lseek,
};
/*---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->main_ndev->ieee80211_ptr;
struct cfg80211_mgmt_tx_params params;
int rc;
void *frame;
memset(&params, 0, sizeof(params));
if (!len)
return -EINVAL;
frame = memdup_user(buf, len);
if (IS_ERR(frame))
return PTR_ERR(frame);
params.buf = frame;
params.len = len;
rc = wil_cfg80211_mgmt_tx(wiphy, wdev, &params, NULL);
kfree(frame);
wil_info(wil, "-> %d\n", 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_vif *vif = ndev_to_vif(wil->main_ndev);
struct wmi_cmd_hdr *wmi;
void *cmd;
int cmdlen = len - sizeof(struct wmi_cmd_hdr);
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 = (cmdlen > 0) ? &wmi[1] : NULL;
cmdid = le16_to_cpu(wmi->command_id);
rc1 = wmi_send(wil, cmdid, vif->mid, cmd, cmdlen);
kfree(wmi);
wil_info(wil, "0x%04x[%d] -> %d\n", cmdid, cmdlen, rc1);
return rc;
}
static const struct file_operations fops_wmi = {
.write = wil_write_file_wmi,
.open = simple_open,
};
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 skb_frag_t *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 txdesc_show(struct seq_file *s, void *data)
{
struct wil6210_priv *wil = s->private;
struct wil_ring *ring;
bool tx;
int ring_idx = dbg_ring_index;
int txdesc_idx = dbg_txdesc_index;
volatile struct vring_tx_desc *d;
volatile u32 *u;
struct sk_buff *skb;
if (wil->use_enhanced_dma_hw) {
/* RX ring index == 0 */
if (ring_idx >= WIL6210_MAX_TX_RINGS) {
seq_printf(s, "invalid ring index %d\n", ring_idx);
return 0;
}
tx = ring_idx > 0; /* desc ring 0 is reserved for RX */
} else {
/* RX ring index == WIL6210_MAX_TX_RINGS */
if (ring_idx > WIL6210_MAX_TX_RINGS) {
seq_printf(s, "invalid ring index %d\n", ring_idx);
return 0;
}
tx = (ring_idx < WIL6210_MAX_TX_RINGS);
}
ring = tx ? &wil->ring_tx[ring_idx] : &wil->ring_rx;
if (!ring->va) {
if (tx)
seq_printf(s, "No Tx[%2d] RING\n", ring_idx);
else
seq_puts(s, "No Rx RING\n");
return 0;
}
if (txdesc_idx >= ring->size) {
if (tx)
seq_printf(s, "[%2d] TxDesc index (%d) >= size (%d)\n",
ring_idx, txdesc_idx, ring->size);
else
seq_printf(s, "RxDesc index (%d) >= size (%d)\n",
txdesc_idx, ring->size);
return 0;
}
/* use struct vring_tx_desc for Rx as well,
* only field used, .dma.length, is the same
*/
d = &ring->va[txdesc_idx].tx.legacy;
u = (volatile u32 *)d;
skb = NULL;
if (wil->use_enhanced_dma_hw) {
if (tx) {
skb = ring->ctx ? ring->ctx[txdesc_idx].skb : NULL;
} else if (wil->rx_buff_mgmt.buff_arr) {
struct wil_rx_enhanced_desc *rx_d =
(struct wil_rx_enhanced_desc *)
&ring->va[txdesc_idx].rx.enhanced;
u16 buff_id = le16_to_cpu(rx_d->mac.buff_id);
if (!wil_val_in_range(buff_id, 0,
wil->rx_buff_mgmt.size))
seq_printf(s, "invalid buff_id %d\n", buff_id);
else
skb = wil->rx_buff_mgmt.buff_arr[buff_id].skb;
}
} else {
skb = ring->ctx[txdesc_idx].skb;
}
if (tx)
seq_printf(s, "Tx[%2d][%3d] = {\n", ring_idx,
txdesc_idx);
else
seq_printf(s, "Rx[%3d] = {\n", txdesc_idx);
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");
return 0;
}
DEFINE_SHOW_ATTRIBUTE(txdesc);
/*---------Tx/Rx status message------------*/
static int status_msg_show(struct seq_file *s, void *data)
{
struct wil6210_priv *wil = s->private;
int sring_idx = dbg_sring_index;
struct wil_status_ring *sring;
bool tx;
u32 status_msg_idx = dbg_status_msg_index;
u32 *u;
if (sring_idx >= WIL6210_MAX_STATUS_RINGS) {
seq_printf(s, "invalid status ring index %d\n", sring_idx);
return 0;
}
sring = &wil->srings[sring_idx];
tx = !sring->is_rx;
if (!sring->va) {
seq_printf(s, "No %cX status ring\n", tx ? 'T' : 'R');
return 0;
}
if (status_msg_idx >= sring->size) {
seq_printf(s, "%cxDesc index (%d) >= size (%d)\n",
tx ? 'T' : 'R', status_msg_idx, sring->size);
return 0;
}
u = sring->va + (sring->elem_size * status_msg_idx);
seq_printf(s, "%cx[%d][%3d] = {\n",
tx ? 'T' : 'R', sring_idx, status_msg_idx);
seq_printf(s, " 0x%08x 0x%08x 0x%08x 0x%08x\n",
u[0], u[1], u[2], u[3]);
if (!tx && !wil->use_compressed_rx_status)
seq_printf(s, " 0x%08x 0x%08x 0x%08x 0x%08x\n",
u[4], u[5], u[6], u[7]);
seq_puts(s, "}\n");
return 0;
}
DEFINE_SHOW_ATTRIBUTE(status_msg);
static int wil_print_rx_buff(struct seq_file *s, struct list_head *lh)
{
struct wil_rx_buff *it;
int i = 0;
list_for_each_entry(it, lh, list) {
if ((i % 16) == 0 && i != 0)
seq_puts(s, "\n ");
seq_printf(s, "[%4d] ", it->id);
i++;
}
seq_printf(s, "\nNumber of buffers: %u\n", i);
return i;
}
static int rx_buff_mgmt_show(struct seq_file *s, void *data)
{
struct wil6210_priv *wil = s->private;
struct wil_rx_buff_mgmt *rbm = &wil->rx_buff_mgmt;
int num_active;
int num_free;
if (!rbm->buff_arr)
return -EINVAL;
seq_printf(s, " size = %zu\n", rbm->size);
seq_printf(s, " free_list_empty_cnt = %lu\n",
rbm->free_list_empty_cnt);
/* Print active list */
seq_puts(s, " Active list:\n");
num_active = wil_print_rx_buff(s, &rbm->active);
seq_puts(s, "\n Free list:\n");
num_free = wil_print_rx_buff(s, &rbm->free);
seq_printf(s, " Total number of buffers: %u\n",
num_active + num_free);
return 0;
}
DEFINE_SHOW_ATTRIBUTE(rx_buff_mgmt);
/*---------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 bf_show(struct seq_file *s, void *data)
{
int rc;
int i;
struct wil6210_priv *wil = s->private;
struct wil6210_vif *vif = ndev_to_vif(wil->main_ndev);
struct wmi_notify_req_cmd cmd = {
.interval_usec = 0,
};
struct {
struct wmi_cmd_hdr wmi;
struct wmi_notify_req_done_event evt;
} __packed reply;
memset(&reply, 0, sizeof(reply));
for (i = 0; i < wil->max_assoc_sta; i++) {
u32 status;
u8 bf_mcs;
cmd.cid = i;
rc = wmi_call(wil, WMI_NOTIFY_REQ_CMDID, vif->mid,
&cmd, sizeof(cmd),
WMI_NOTIFY_REQ_DONE_EVENTID, &reply,
sizeof(reply), WIL_WMI_CALL_GENERAL_TO_MS);
/* 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);
bf_mcs = le16_to_cpu(reply.evt.bf_mcs);
seq_printf(s, "CID %d {\n"
" TSF = 0x%016llx\n"
" TxMCS = %s TxTpt = %4d\n"
" SQI = %4d\n"
" RSSI = %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),
WIL_EXTENDED_MCS_CHECK(bf_mcs),
le32_to_cpu(reply.evt.tx_tpt),
reply.evt.sqi,
reply.evt.rssi,
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;
}
DEFINE_SHOW_ATTRIBUTE(bf);
/*---------temp------------*/
static void print_temp(struct seq_file *s, const char *prefix, s32 t)
{
switch (t) {
case 0:
case WMI_INVALID_TEMPERATURE:
seq_printf(s, "%s N/A\n", prefix);
break;
default:
seq_printf(s, "%s %s%d.%03d\n", prefix, (t < 0 ? "-" : ""),
abs(t / 1000), abs(t % 1000));
break;
}
}
static int temp_show(struct seq_file *s, void *data)
{
struct wil6210_priv *wil = s->private;
int rc, i;
if (test_bit(WMI_FW_CAPABILITY_TEMPERATURE_ALL_RF,
wil->fw_capabilities)) {
struct wmi_temp_sense_all_done_event sense_all_evt;
wil_dbg_misc(wil,
"WMI_FW_CAPABILITY_TEMPERATURE_ALL_RF is supported");
rc = wmi_get_all_temperatures(wil, &sense_all_evt);
if (rc) {
seq_puts(s, "Failed\n");
return 0;
}
print_temp(s, "T_mac =",
le32_to_cpu(sense_all_evt.baseband_t1000));
seq_printf(s, "Connected RFs [0x%08x]\n",
sense_all_evt.rf_bitmap);
for (i = 0; i < WMI_MAX_XIF_PORTS_NUM; i++) {
seq_printf(s, "RF[%d] = ", i);
print_temp(s, "",
le32_to_cpu(sense_all_evt.rf_t1000[i]));
}
} else {
s32 t_m, t_r;
wil_dbg_misc(wil,
"WMI_FW_CAPABILITY_TEMPERATURE_ALL_RF is not supported");
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;
}
DEFINE_SHOW_ATTRIBUTE(temp);
/*---------freq------------*/
static int freq_show(struct seq_file *s, void *data)
{
struct wil6210_priv *wil = s->private;
struct wireless_dev *wdev = wil->main_ndev->ieee80211_ptr;
u32 freq = wdev->chandef.chan ? wdev->chandef.chan->center_freq : 0;
seq_printf(s, "Freq = %d\n", freq);
return 0;
}
DEFINE_SHOW_ATTRIBUTE(freq);
/*---------link------------*/
static int link_show(struct seq_file *s, void *data)
{
struct wil6210_priv *wil = s->private;
struct station_info *sinfo;
int i, rc = 0;
sinfo = kzalloc(sizeof(*sinfo), GFP_KERNEL);
if (!sinfo)
return -ENOMEM;
for (i = 0; i < wil->max_assoc_sta; i++) {
struct wil_sta_info *p = &wil->sta[i];
char *status = "unknown";
struct wil6210_vif *vif;
u8 mid;
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;
}
mid = (p->status != wil_sta_unused) ? p->mid : U8_MAX;
seq_printf(s, "[%d][MID %d] %pM %s\n",
i, mid, p->addr, status);
if (p->status != wil_sta_connected)
continue;
vif = (mid < GET_MAX_VIFS(wil)) ? wil->vifs[mid] : NULL;
if (vif) {
rc = wil_cid_fill_sinfo(vif, i, sinfo);
if (rc)
goto out;
seq_printf(s, " Tx_mcs = %s\n",
WIL_EXTENDED_MCS_CHECK(sinfo->txrate.mcs));
seq_printf(s, " Rx_mcs = %s\n",
WIL_EXTENDED_MCS_CHECK(sinfo->rxrate.mcs));
seq_printf(s, " SQ = %d\n", sinfo->signal);
} else {
seq_puts(s, " INVALID MID\n");
}
}
out:
kfree(sinfo);
return rc;
}
DEFINE_SHOW_ATTRIBUTE(link);
/*---------info------------*/
static int info_show(struct seq_file *s, void *data)
{
struct wil6210_priv *wil = s->private;
struct net_device *ndev = wil->main_ndev;
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;
}
DEFINE_SHOW_ATTRIBUTE(info);
/*---------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;
unsigned long long drop_dup = r->drop_dup, drop_old = r->drop_old;
unsigned long long drop_dup_mcast = r->drop_dup_mcast;
seq_printf(s, "([%2d]) 0x%03x [", r->buf_size, 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,
"] total %llu drop %llu (dup %llu + old %llu + dup mcast %llu) last 0x%03x\n",
r->total, drop_dup + drop_old + drop_dup_mcast, drop_dup,
drop_old, drop_dup_mcast, r->ssn_last_drop);
}
static void wil_print_rxtid_crypto(struct seq_file *s, int tid,
struct wil_tid_crypto_rx *c)
{
int i;
for (i = 0; i < 4; i++) {
struct wil_tid_crypto_rx_single *cc = &c->key_id[i];
if (cc->key_set)
goto has_keys;
}
return;
has_keys:
if (tid < WIL_STA_TID_NUM)
seq_printf(s, " [%2d] PN", tid);
else
seq_puts(s, " [GR] PN");
for (i = 0; i < 4; i++) {
struct wil_tid_crypto_rx_single *cc = &c->key_id[i];
seq_printf(s, " [%i%s]%6phN", i, cc->key_set ? "+" : "-",
cc->pn);
}
seq_puts(s, "\n");
}
static int sta_show(struct seq_file *s, void *data)
__acquires(&p->tid_rx_lock) __releases(&p->tid_rx_lock)
{
struct wil6210_priv *wil = s->private;
int i, tid, mcs;
for (i = 0; i < wil->max_assoc_sta; i++) {
struct wil_sta_info *p = &wil->sta[i];
char *status = "unknown";
u8 aid = 0;
u8 mid;
bool sta_connected = false;
switch (p->status) {
case wil_sta_unused:
status = "unused ";
break;
case wil_sta_conn_pending:
status = "pending ";
break;
case wil_sta_connected:
status = "connected";
aid = p->aid;
break;
}
mid = (p->status != wil_sta_unused) ? p->mid : U8_MAX;
if (mid < GET_MAX_VIFS(wil)) {
struct wil6210_vif *vif = wil->vifs[mid];
if (vif->wdev.iftype == NL80211_IFTYPE_STATION &&
p->status == wil_sta_connected)
sta_connected = true;
}
/* print roam counter only for connected stations */
if (sta_connected)
seq_printf(s, "[%d] %pM connected (roam counter %d) MID %d AID %d\n",
i, p->addr, p->stats.ft_roams, mid, aid);
else
seq_printf(s, "[%d] %pM %s MID %d AID %d\n", i,
p->addr, status, mid, aid);
if (p->status == wil_sta_connected) {
spin_lock_bh(&p->tid_rx_lock);
for (tid = 0; tid < WIL_STA_TID_NUM; tid++) {
struct wil_tid_ampdu_rx *r = p->tid_rx[tid];
struct wil_tid_crypto_rx *c =
&p->tid_crypto_rx[tid];
if (r) {
seq_printf(s, " [%2d] ", tid);
wil_print_rxtid(s, r);
}
wil_print_rxtid_crypto(s, tid, c);
}
wil_print_rxtid_crypto(s, WIL_STA_TID_NUM,
&p->group_crypto_rx);
spin_unlock_bh(&p->tid_rx_lock);
seq_printf(s,
"Rx invalid frame: non-data %lu, short %lu, large %lu, replay %lu\n",
p->stats.rx_non_data_frame,
p->stats.rx_short_frame,
p->stats.rx_large_frame,
p->stats.rx_replay);
seq_printf(s,
"mic error %lu, key error %lu, amsdu error %lu, csum error %lu\n",
p->stats.rx_mic_error,
p->stats.rx_key_error,
p->stats.rx_amsdu_error,
p->stats.rx_csum_err);
seq_puts(s, "Rx/MCS:");
for (mcs = 0; mcs < ARRAY_SIZE(p->stats.rx_per_mcs);
mcs++)
seq_printf(s, " %lld",
p->stats.rx_per_mcs[mcs]);
seq_puts(s, "\n");
}
}
return 0;
}
DEFINE_SHOW_ATTRIBUTE(sta);
static int mids_show(struct seq_file *s, void *data)
{
struct wil6210_priv *wil = s->private;
struct wil6210_vif *vif;
struct net_device *ndev;
int i;
mutex_lock(&wil->vif_mutex);
for (i = 0; i < GET_MAX_VIFS(wil); i++) {
vif = wil->vifs[i];
if (vif) {
ndev = vif_to_ndev(vif);
seq_printf(s, "[%d] %pM %s\n", i, ndev->dev_addr,
ndev->name);
} else {
seq_printf(s, "[%d] unused\n", i);
}
}
mutex_unlock(&wil->vif_mutex);
return 0;
}
DEFINE_SHOW_ATTRIBUTE(mids);
static int wil_tx_latency_debugfs_show(struct seq_file *s, void *data)
__acquires(&p->tid_rx_lock) __releases(&p->tid_rx_lock)
{
struct wil6210_priv *wil = s->private;
int i, bin;
for (i = 0; i < wil->max_assoc_sta; i++) {
struct wil_sta_info *p = &wil->sta[i];
char *status = "unknown";
u8 aid = 0;
u8 mid;
if (!p->tx_latency_bins)
continue;
switch (p->status) {
case wil_sta_unused:
status = "unused ";
break;
case wil_sta_conn_pending:
status = "pending ";
break;
case wil_sta_connected:
status = "connected";
aid = p->aid;
break;
}
mid = (p->status != wil_sta_unused) ? p->mid : U8_MAX;
seq_printf(s, "[%d] %pM %s MID %d AID %d\n", i, p->addr, status,
mid, aid);
if (p->status == wil_sta_connected) {
u64 num_packets = 0;
u64 tx_latency_avg = p->stats.tx_latency_total_us;
seq_puts(s, "Tx/Latency bin:");
for (bin = 0; bin < WIL_NUM_LATENCY_BINS; bin++) {
seq_printf(s, " %lld",
p->tx_latency_bins[bin]);
num_packets += p->tx_latency_bins[bin];
}
seq_puts(s, "\n");
if (!num_packets)
continue;
do_div(tx_latency_avg, num_packets);
seq_printf(s, "Tx/Latency min/avg/max (us): %d/%lld/%d",
p->stats.tx_latency_min_us,
tx_latency_avg,
p->stats.tx_latency_max_us);
seq_puts(s, "\n");
}
}
return 0;
}
static int wil_tx_latency_seq_open(struct inode *inode, struct file *file)
{
return single_open(file, wil_tx_latency_debugfs_show,
inode->i_private);
}
static ssize_t wil_tx_latency_write(struct file *file, const char __user *buf,
size_t len, loff_t *ppos)
{
struct seq_file *s = file->private_data;
struct wil6210_priv *wil = s->private;
int val, rc, i;
bool enable;
rc = kstrtoint_from_user(buf, len, 0, &val);
if (rc) {
wil_err(wil, "Invalid argument\n");
return rc;
}
if (val == 1)
/* default resolution */
val = 500;
if (val && (val < 50 || val > 1000)) {
wil_err(wil, "Invalid resolution %d\n", val);
return -EINVAL;
}
enable = !!val;
if (wil->tx_latency == enable)
return len;
wil_info(wil, "%s TX latency measurements (resolution %dusec)\n",
enable ? "Enabling" : "Disabling", val);
if (enable) {
size_t sz = sizeof(u64) * WIL_NUM_LATENCY_BINS;
wil->tx_latency_res = val;
for (i = 0; i < wil->max_assoc_sta; i++) {
struct wil_sta_info *sta = &wil->sta[i];
kfree(sta->tx_latency_bins);
sta->tx_latency_bins = kzalloc(sz, GFP_KERNEL);
if (!sta->tx_latency_bins)
return -ENOMEM;
sta->stats.tx_latency_min_us = U32_MAX;
sta->stats.tx_latency_max_us = 0;
sta->stats.tx_latency_total_us = 0;
}
}
wil->tx_latency = enable;
return len;
}
static const struct file_operations fops_tx_latency = {
.open = wil_tx_latency_seq_open,
.release = single_release,
.read = seq_read,
.write = wil_tx_latency_write,
.llseek = seq_lseek,
};
static void wil_link_stats_print_basic(struct wil6210_vif *vif,
struct seq_file *s,
struct wmi_link_stats_basic *basic)
{
char per[5] = "?";
if (basic->per_average != 0xff)
snprintf(per, sizeof(per), "%d%%", basic->per_average);
seq_printf(s, "CID %d {\n"
"\tTxMCS %s TxTpt %d\n"
"\tGoodput(rx:tx) %d:%d\n"
"\tRxBcastFrames %d\n"
"\tRSSI %d SQI %d SNR %d PER %s\n"
"\tRx RFC %d Ant num %d\n"
"\tSectors(rx:tx) my %d:%d peer %d:%d\n"
"}\n",
basic->cid,
WIL_EXTENDED_MCS_CHECK(basic->bf_mcs),
le32_to_cpu(basic->tx_tpt),
le32_to_cpu(basic->rx_goodput),
le32_to_cpu(basic->tx_goodput),
le32_to_cpu(basic->rx_bcast_frames),
basic->rssi, basic->sqi, basic->snr, per,
basic->selected_rfc, basic->rx_effective_ant_num,
basic->my_rx_sector, basic->my_tx_sector,
basic->other_rx_sector, basic->other_tx_sector);
}
static void wil_link_stats_print_global(struct wil6210_priv *wil,
struct seq_file *s,
struct wmi_link_stats_global *global)
{
seq_printf(s, "Frames(rx:tx) %d:%d\n"
"BA Frames(rx:tx) %d:%d\n"
"Beacons %d\n"
"Rx Errors (MIC:CRC) %d:%d\n"
"Tx Errors (no ack) %d\n",
le32_to_cpu(global->rx_frames),
le32_to_cpu(global->tx_frames),
le32_to_cpu(global->rx_ba_frames),
le32_to_cpu(global->tx_ba_frames),
le32_to_cpu(global->tx_beacons),
le32_to_cpu(global->rx_mic_errors),
le32_to_cpu(global->rx_crc_errors),
le32_to_cpu(global->tx_fail_no_ack));
}
static void wil_link_stats_debugfs_show_vif(struct wil6210_vif *vif,
struct seq_file *s)
{
struct wil6210_priv *wil = vif_to_wil(vif);
struct wmi_link_stats_basic *stats;
int i;
if (!vif->fw_stats_ready) {
seq_puts(s, "no statistics\n");
return;
}
seq_printf(s, "TSF %lld\n", vif->fw_stats_tsf);
for (i = 0; i < wil->max_assoc_sta; i++) {
if (wil->sta[i].status == wil_sta_unused)
continue;
if (wil->sta[i].mid != vif->mid)
continue;
stats = &wil->sta[i].fw_stats_basic;
wil_link_stats_print_basic(vif, s, stats);
}
}
static int wil_link_stats_debugfs_show(struct seq_file *s, void *data)
{
struct wil6210_priv *wil = s->private;
struct wil6210_vif *vif;
int i, rc;
rc = mutex_lock_interruptible(&wil->vif_mutex);
if (rc)
return rc;
/* iterate over all MIDs and show per-cid statistics. Then show the
* global statistics
*/
for (i = 0; i < GET_MAX_VIFS(wil); i++) {
vif = wil->vifs[i];
seq_printf(s, "MID %d ", i);
if (!vif) {
seq_puts(s, "unused\n");
continue;
}
wil_link_stats_debugfs_show_vif(vif, s);
}
mutex_unlock(&wil->vif_mutex);
return 0;
}
static int wil_link_stats_seq_open(struct inode *inode, struct file *file)
{
return single_open(file, wil_link_stats_debugfs_show, inode->i_private);
}
static ssize_t wil_link_stats_write(struct file *file, const char __user *buf,
size_t len, loff_t *ppos)
{
struct seq_file *s = file->private_data;
struct wil6210_priv *wil = s->private;
int cid, interval, rc, i;
struct wil6210_vif *vif;
char *kbuf = kmalloc(len + 1, GFP_KERNEL);
if (!kbuf)
return -ENOMEM;
rc = simple_write_to_buffer(kbuf, len, ppos, buf, len);
if (rc != len) {
kfree(kbuf);
return rc >= 0 ? -EIO : rc;
}
kbuf[len] = '\0';
/* specify cid (use -1 for all cids) and snapshot interval in ms */
rc = sscanf(kbuf, "%d %d", &cid, &interval);
kfree(kbuf);
if (rc < 0)
return rc;
if (rc < 2 || interval < 0)
return -EINVAL;
wil_info(wil, "request link statistics, cid %d interval %d\n",
cid, interval);
rc = mutex_lock_interruptible(&wil->vif_mutex);
if (rc)
return rc;
for (i = 0; i < GET_MAX_VIFS(wil); i++) {
vif = wil->vifs[i];
if (!vif)
continue;
rc = wmi_link_stats_cfg(vif, WMI_LINK_STATS_TYPE_BASIC,
(cid == -1 ? 0xff : cid), interval);
if (rc)
wil_err(wil, "link statistics failed for mid %d\n", i);
}
mutex_unlock(&wil->vif_mutex);
return len;
}
static const struct file_operations fops_link_stats = {
.open = wil_link_stats_seq_open,
.release = single_release,
.read = seq_read,
.write = wil_link_stats_write,
.llseek = seq_lseek,
};
static int
wil_link_stats_global_debugfs_show(struct seq_file *s, void *data)
{
struct wil6210_priv *wil = s->private;
if (!wil->fw_stats_global.ready)
return 0;
seq_printf(s, "TSF %lld\n", wil->fw_stats_global.tsf);
wil_link_stats_print_global(wil, s, &wil->fw_stats_global.stats);
return 0;
}
static int
wil_link_stats_global_seq_open(struct inode *inode, struct file *file)
{
return single_open(file, wil_link_stats_global_debugfs_show,
inode->i_private);
}
static ssize_t
wil_link_stats_global_write(struct file *file, const char __user *buf,
size_t len, loff_t *ppos)
{
struct seq_file *s = file->private_data;
struct wil6210_priv *wil = s->private;
int interval, rc;
struct wil6210_vif *vif = ndev_to_vif(wil->main_ndev);
/* specify snapshot interval in ms */
rc = kstrtoint_from_user(buf, len, 0, &interval);
if (rc || interval < 0) {
wil_err(wil, "Invalid argument\n");
return -EINVAL;
}
wil_info(wil, "request global link stats, interval %d\n", interval);
rc = wmi_link_stats_cfg(vif, WMI_LINK_STATS_TYPE_GLOBAL, 0, interval);
if (rc)
wil_err(wil, "global link stats failed %d\n", rc);
return rc ? rc : len;
}
static const struct file_operations fops_link_stats_global = {
.open = wil_link_stats_global_seq_open,
.release = single_release,
.read = seq_read,
.write = wil_link_stats_global_write,
.llseek = seq_lseek,
};
static ssize_t wil_read_file_led_cfg(struct file *file, char __user *user_buf,
size_t count, loff_t *ppos)
{
char buf[80];
int n;
n = snprintf(buf, sizeof(buf),
"led_id is set to %d, echo 1 to enable, 0 to disable\n",
led_id);
n = min_t(int, n, sizeof(buf));
return simple_read_from_buffer(user_buf, count, ppos,
buf, n);
}
static ssize_t wil_write_file_led_cfg(struct file *file,
const char __user *buf_,
size_t count, loff_t *ppos)
{
struct wil6210_priv *wil = file->private_data;
int val;
int rc;
rc = kstrtoint_from_user(buf_, count, 0, &val);
if (rc) {
wil_err(wil, "Invalid argument\n");
return rc;
}
wil_info(wil, "%s led %d\n", val ? "Enabling" : "Disabling", led_id);
rc = wmi_led_cfg(wil, val);
if (rc) {
wil_info(wil, "%s led %d failed\n",
val ? "Enabling" : "Disabling", led_id);
return rc;
}
return count;
}
static const struct file_operations fops_led_cfg = {
.read = wil_read_file_led_cfg,
.write = wil_write_file_led_cfg,
.open = simple_open,
};
/* led_blink_time, write:
* "<blink_on_slow> <blink_off_slow> <blink_on_med> <blink_off_med> <blink_on_fast> <blink_off_fast>
*/
static ssize_t wil_write_led_blink_time(struct file *file,
const char __user *buf,
size_t len, loff_t *ppos)
{
int rc;
char *kbuf = kmalloc(len + 1, GFP_KERNEL);
if (!kbuf)
return -ENOMEM;
rc = simple_write_to_buffer(kbuf, len, ppos, buf, len);
if (rc != len) {
kfree(kbuf);
return rc >= 0 ? -EIO : rc;
}
kbuf[len] = '\0';
rc = sscanf(kbuf, "%d %d %d %d %d %d",
&led_blink_time[WIL_LED_TIME_SLOW].on_ms,
&led_blink_time[WIL_LED_TIME_SLOW].off_ms,
&led_blink_time[WIL_LED_TIME_MED].on_ms,
&led_blink_time[WIL_LED_TIME_MED].off_ms,
&led_blink_time[WIL_LED_TIME_FAST].on_ms,
&led_blink_time[WIL_LED_TIME_FAST].off_ms);
kfree(kbuf);
if (rc < 0)
return rc;
if (rc < 6)
return -EINVAL;
return len;
}
static ssize_t wil_read_led_blink_time(struct file *file, char __user *user_buf,
size_t count, loff_t *ppos)
{
static char text[400];
snprintf(text, sizeof(text),
"To set led blink on/off time variables write:\n"
"<blink_on_slow> <blink_off_slow> <blink_on_med> "
"<blink_off_med> <blink_on_fast> <blink_off_fast>\n"
"The current values are:\n"
"%d %d %d %d %d %d\n",
led_blink_time[WIL_LED_TIME_SLOW].on_ms,
led_blink_time[WIL_LED_TIME_SLOW].off_ms,
led_blink_time[WIL_LED_TIME_MED].on_ms,
led_blink_time[WIL_LED_TIME_MED].off_ms,
led_blink_time[WIL_LED_TIME_FAST].on_ms,
led_blink_time[WIL_LED_TIME_FAST].off_ms);
return simple_read_from_buffer(user_buf, count, ppos, text,
sizeof(text));
}
static const struct file_operations fops_led_blink_time = {
.read = wil_read_led_blink_time,
.write = wil_write_led_blink_time,
.open = simple_open,
};
/*---------FW capabilities------------*/
static int wil_fw_capabilities_debugfs_show(struct seq_file *s, void *data)
{
struct wil6210_priv *wil = s->private;
seq_printf(s, "fw_capabilities : %*pb\n", WMI_FW_CAPABILITY_MAX,
wil->fw_capabilities);
return 0;
}
static int wil_fw_capabilities_seq_open(struct inode *inode, struct file *file)
{
return single_open(file, wil_fw_capabilities_debugfs_show,
inode->i_private);
}
static const struct file_operations fops_fw_capabilities = {
.open = wil_fw_capabilities_seq_open,
.release = single_release,
.read = seq_read,
.llseek = seq_lseek,
};
/*---------FW version------------*/
static int wil_fw_version_debugfs_show(struct seq_file *s, void *data)
{
struct wil6210_priv *wil = s->private;
if (wil->fw_version[0])
seq_printf(s, "%s\n", wil->fw_version);
else
seq_puts(s, "N/A\n");
return 0;
}
static int wil_fw_version_seq_open(struct inode *inode, struct file *file)
{
return single_open(file, wil_fw_version_debugfs_show,
inode->i_private);
}
static const struct file_operations fops_fw_version = {
.open = wil_fw_version_seq_open,
.release = single_release,
.read = seq_read,
.llseek = seq_lseek,
};
/*---------suspend_stats---------*/
static ssize_t wil_write_suspend_stats(struct file *file,
const char __user *buf,
size_t len, loff_t *ppos)
{
struct wil6210_priv *wil = file->private_data;
memset(&wil->suspend_stats, 0, sizeof(wil->suspend_stats));
return len;
}
static ssize_t wil_read_suspend_stats(struct file *file,
char __user *user_buf,
size_t count, loff_t *ppos)
{
struct wil6210_priv *wil = file->private_data;
char *text;
int n, ret, text_size = 500;
text = kmalloc(text_size, GFP_KERNEL);
if (!text)
return -ENOMEM;
n = snprintf(text, text_size,
"Radio on suspend statistics:\n"
"successful suspends:%ld failed suspends:%ld\n"
"successful resumes:%ld failed resumes:%ld\n"
"rejected by device:%ld\n"
"Radio off suspend statistics:\n"
"successful suspends:%ld failed suspends:%ld\n"
"successful resumes:%ld failed resumes:%ld\n"
"General statistics:\n"
"rejected by host:%ld\n",
wil->suspend_stats.r_on.successful_suspends,
wil->suspend_stats.r_on.failed_suspends,
wil->suspend_stats.r_on.successful_resumes,
wil->suspend_stats.r_on.failed_resumes,
wil->suspend_stats.rejected_by_device,
wil->suspend_stats.r_off.successful_suspends,
wil->suspend_stats.r_off.failed_suspends,
wil->suspend_stats.r_off.successful_resumes,
wil->suspend_stats.r_off.failed_resumes,
wil->suspend_stats.rejected_by_host);
n = min_t(int, n, text_size);
ret = simple_read_from_buffer(user_buf, count, ppos, text, n);
kfree(text);
return ret;
}
static const struct file_operations fops_suspend_stats = {
.read = wil_read_suspend_stats,
.write = wil_write_suspend_stats,
.open = simple_open,
};
/*---------compressed_rx_status---------*/
static ssize_t wil_compressed_rx_status_write(struct file *file,
const char __user *buf,
size_t len, loff_t *ppos)
{
struct seq_file *s = file->private_data;
struct wil6210_priv *wil = s->private;
int compressed_rx_status;
int rc;
rc = kstrtoint_from_user(buf, len, 0, &compressed_rx_status);
if (rc) {
wil_err(wil, "Invalid argument\n");
return rc;
}
if (wil_has_active_ifaces(wil, true, false)) {
wil_err(wil, "cannot change edma config after iface is up\n");
return -EPERM;
}
wil_info(wil, "%sable compressed_rx_status\n",
compressed_rx_status ? "En" : "Dis");
wil->use_compressed_rx_status = compressed_rx_status;
return len;
}
static int
wil_compressed_rx_status_show(struct seq_file *s, void *data)
{
struct wil6210_priv *wil = s->private;
seq_printf(s, "%d\n", wil->use_compressed_rx_status);
return 0;
}
static int
wil_compressed_rx_status_seq_open(struct inode *inode, struct file *file)
{
return single_open(file, wil_compressed_rx_status_show,
inode->i_private);
}
static const struct file_operations fops_compressed_rx_status = {
.open = wil_compressed_rx_status_seq_open,
.release = single_release,
.read = seq_read,
.write = wil_compressed_rx_status_write,
.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 wil_blob_wrapper *wil_blob = &wil->blobs[i];
struct debugfs_blob_wrapper *blob = &wil_blob->blob;
const struct fw_map *map = &fw_mapping[i];
if (!map->name)
continue;
wil_blob->wil = wil;
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, 0444, dbg, wil_blob);
}
}
/* misc files */
static const struct {
const char *name;
umode_t mode;
const struct file_operations *fops;
} dbg_files[] = {
{"mbox", 0444, &mbox_fops},
{"rings", 0444, &ring_fops},
{"stations", 0444, &sta_fops},
{"mids", 0444, &mids_fops},
{"desc", 0444, &txdesc_fops},
{"bf", 0444, &bf_fops},
{"mem_val", 0644, &memread_fops},
{"rxon", 0244, &fops_rxon},
{"tx_mgmt", 0244, &fops_txmgmt},
{"wmi_send", 0244, &fops_wmi},
{"back", 0644, &fops_back},
{"pmccfg", 0644, &fops_pmccfg},
{"pmcdata", 0444, &fops_pmcdata},
{"pmcring", 0444, &fops_pmcring},
{"temp", 0444, &temp_fops},
{"freq", 0444, &freq_fops},
{"link", 0444, &link_fops},
{"info", 0444, &info_fops},
{"recovery", 0644, &fops_recovery},
{"led_cfg", 0644, &fops_led_cfg},
{"led_blink_time", 0644, &fops_led_blink_time},
{"fw_capabilities", 0444, &fops_fw_capabilities},
{"fw_version", 0444, &fops_fw_version},
{"suspend_stats", 0644, &fops_suspend_stats},
{"compressed_rx_status", 0644, &fops_compressed_rx_status},
{"srings", 0444, &srings_fops},
{"status_msg", 0444, &status_msg_fops},
{"rx_buff_mgmt", 0444, &rx_buff_mgmt_fops},
{"tx_latency", 0644, &fops_tx_latency},
{"link_stats", 0644, &fops_link_stats},
{"link_stats_global", 0644, &fops_link_stats_global},
{"rbufcap", 0244, &fops_rbufcap},
};
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(status[0], 0644, doff_ulong),
WIL_FIELD(hw_version, 0444, doff_x32),
WIL_FIELD(recovery_count, 0444, doff_u32),
WIL_FIELD(discovery_mode, 0644, doff_u8),
WIL_FIELD(chip_revision, 0444, doff_u8),
WIL_FIELD(abft_len, 0644, doff_u8),
WIL_FIELD(wakeup_trigger, 0644, doff_u8),
WIL_FIELD(ring_idle_trsh, 0644, doff_u32),
WIL_FIELD(num_rx_status_rings, 0644, doff_u8),
WIL_FIELD(rx_status_ring_order, 0644, doff_u32),
WIL_FIELD(tx_status_ring_order, 0644, doff_u32),
WIL_FIELD(rx_buff_id_count, 0644, doff_u32),
WIL_FIELD(amsdu_en, 0644, doff_u8),
{},
};
static const struct dbg_off dbg_wil_regs[] = {
{"RGF_MAC_MTRL_COUNTER_0", 0444, HOSTADDR(RGF_MAC_MTRL_COUNTER_0),
doff_io32},
{"RGF_USER_USAGE_1", 0444, HOSTADDR(RGF_USER_USAGE_1), doff_io32},
{"RGF_USER_USAGE_2", 0444, HOSTADDR(RGF_USER_USAGE_2), doff_io32},
{},
};
/* static parameters */
static const struct dbg_off dbg_statics[] = {
{"desc_index", 0644, (ulong)&dbg_txdesc_index, doff_u32},
{"ring_index", 0644, (ulong)&dbg_ring_index, doff_u32},
{"mem_addr", 0644, (ulong)&mem_addr, doff_u32},
{"led_polarity", 0644, (ulong)&led_polarity, doff_u8},
{"status_index", 0644, (ulong)&dbg_status_msg_index, doff_u32},
{"sring_index", 0644, (ulong)&dbg_sring_index, doff_u32},
{"drop_if_ring_full", 0644, (ulong)&drop_if_ring_full, doff_u8},
{},
};
static const int dbg_off_count = 4 * (ARRAY_SIZE(isr_off) - 1) +
ARRAY_SIZE(dbg_wil_regs) - 1 +
ARRAY_SIZE(pseudo_isr_off) - 1 +
ARRAY_SIZE(lgc_itr_cnt_off) - 1 +
ARRAY_SIZE(tx_itr_cnt_off) - 1 +
ARRAY_SIZE(rx_itr_cnt_off) - 1;
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;
wil->dbg_data.data_arr = kcalloc(dbg_off_count,
sizeof(struct wil_debugfs_iomem_data),
GFP_KERNEL);
if (!wil->dbg_data.data_arr) {
debugfs_remove_recursive(dbg);
wil->debug = NULL;
return -ENOMEM;
}
wil->dbg_data.iomem_data_count = 0;
wil_pmc_init(wil);
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)
{
int i;
debugfs_remove_recursive(wil->debug);
wil->debug = NULL;
kfree(wil->dbg_data.data_arr);
for (i = 0; i < wil->max_assoc_sta; i++)
kfree(wil->sta[i].tx_latency_bins);
/* free pmc memory without sending command to fw, as it will
* be reset on the way down anyway
*/
wil_pmc_free(wil, false);
}
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