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linux/drivers/net/wireless/ath/ath6kl/debug.c

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/*
* Copyright (c) 2004-2011 Atheros Communications Inc.
* Copyright (c) 2011-2012 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 "core.h"
#include <linux/skbuff.h>
#include <linux/fs.h>
#include <linux/vmalloc.h>
#include <linux/export.h>
#include "debug.h"
#include "target.h"
struct ath6kl_fwlog_slot {
__le32 timestamp;
__le32 length;
/* max ATH6KL_FWLOG_PAYLOAD_SIZE bytes */
u8 payload[0];
};
#define ATH6KL_FWLOG_MAX_ENTRIES 20
#define ATH6KL_FWLOG_VALID_MASK 0x1ffff
void ath6kl_printk(const char *level, const char *fmt, ...)
{
struct va_format vaf;
va_list args;
va_start(args, fmt);
vaf.fmt = fmt;
vaf.va = &args;
printk("%sath6kl: %pV", level, &vaf);
va_end(args);
}
EXPORT_SYMBOL(ath6kl_printk);
void ath6kl_info(const char *fmt, ...)
{
struct va_format vaf = {
.fmt = fmt,
};
va_list args;
va_start(args, fmt);
vaf.va = &args;
ath6kl_printk(KERN_INFO, "%pV", &vaf);
trace_ath6kl_log_info(&vaf);
va_end(args);
}
EXPORT_SYMBOL(ath6kl_info);
void ath6kl_err(const char *fmt, ...)
{
struct va_format vaf = {
.fmt = fmt,
};
va_list args;
va_start(args, fmt);
vaf.va = &args;
ath6kl_printk(KERN_ERR, "%pV", &vaf);
trace_ath6kl_log_err(&vaf);
va_end(args);
}
EXPORT_SYMBOL(ath6kl_err);
void ath6kl_warn(const char *fmt, ...)
{
struct va_format vaf = {
.fmt = fmt,
};
va_list args;
va_start(args, fmt);
vaf.va = &args;
ath6kl_printk(KERN_WARNING, "%pV", &vaf);
trace_ath6kl_log_warn(&vaf);
va_end(args);
}
EXPORT_SYMBOL(ath6kl_warn);
#ifdef CONFIG_ATH6KL_DEBUG
void ath6kl_dbg(enum ATH6K_DEBUG_MASK mask, const char *fmt, ...)
{
struct va_format vaf;
va_list args;
va_start(args, fmt);
vaf.fmt = fmt;
vaf.va = &args;
if (debug_mask & mask)
ath6kl_printk(KERN_DEBUG, "%pV", &vaf);
trace_ath6kl_log_dbg(mask, &vaf);
va_end(args);
}
EXPORT_SYMBOL(ath6kl_dbg);
void ath6kl_dbg_dump(enum ATH6K_DEBUG_MASK mask,
const char *msg, const char *prefix,
const void *buf, size_t len)
{
if (debug_mask & mask) {
if (msg)
ath6kl_dbg(mask, "%s\n", msg);
print_hex_dump_bytes(prefix, DUMP_PREFIX_OFFSET, buf, len);
}
/* tracing code doesn't like null strings :/ */
trace_ath6kl_log_dbg_dump(msg ? msg : "", prefix ? prefix : "",
buf, len);
}
EXPORT_SYMBOL(ath6kl_dbg_dump);
#define REG_OUTPUT_LEN_PER_LINE 25
#define REGTYPE_STR_LEN 100
struct ath6kl_diag_reg_info {
u32 reg_start;
u32 reg_end;
const char *reg_info;
};
static const struct ath6kl_diag_reg_info diag_reg[] = {
{ 0x20000, 0x200fc, "General DMA and Rx registers" },
{ 0x28000, 0x28900, "MAC PCU register & keycache" },
{ 0x20800, 0x20a40, "QCU" },
{ 0x21000, 0x212f0, "DCU" },
{ 0x4000, 0x42e4, "RTC" },
{ 0x540000, 0x540000 + (256 * 1024), "RAM" },
{ 0x29800, 0x2B210, "Base Band" },
{ 0x1C000, 0x1C748, "Analog" },
};
void ath6kl_dump_registers(struct ath6kl_device *dev,
struct ath6kl_irq_proc_registers *irq_proc_reg,
struct ath6kl_irq_enable_reg *irq_enable_reg)
{
ath6kl_dbg(ATH6KL_DBG_IRQ, ("<------- Register Table -------->\n"));
if (irq_proc_reg != NULL) {
ath6kl_dbg(ATH6KL_DBG_IRQ,
"Host Int status: 0x%x\n",
irq_proc_reg->host_int_status);
ath6kl_dbg(ATH6KL_DBG_IRQ,
"CPU Int status: 0x%x\n",
irq_proc_reg->cpu_int_status);
ath6kl_dbg(ATH6KL_DBG_IRQ,
"Error Int status: 0x%x\n",
irq_proc_reg->error_int_status);
ath6kl_dbg(ATH6KL_DBG_IRQ,
"Counter Int status: 0x%x\n",
irq_proc_reg->counter_int_status);
ath6kl_dbg(ATH6KL_DBG_IRQ,
"Mbox Frame: 0x%x\n",
irq_proc_reg->mbox_frame);
ath6kl_dbg(ATH6KL_DBG_IRQ,
"Rx Lookahead Valid: 0x%x\n",
irq_proc_reg->rx_lkahd_valid);
ath6kl_dbg(ATH6KL_DBG_IRQ,
"Rx Lookahead 0: 0x%x\n",
irq_proc_reg->rx_lkahd[0]);
ath6kl_dbg(ATH6KL_DBG_IRQ,
"Rx Lookahead 1: 0x%x\n",
irq_proc_reg->rx_lkahd[1]);
if (dev->ar->mbox_info.gmbox_addr != 0) {
/*
* If the target supports GMBOX hardware, dump some
* additional state.
*/
ath6kl_dbg(ATH6KL_DBG_IRQ,
"GMBOX Host Int status 2: 0x%x\n",
irq_proc_reg->host_int_status2);
ath6kl_dbg(ATH6KL_DBG_IRQ,
"GMBOX RX Avail: 0x%x\n",
irq_proc_reg->gmbox_rx_avail);
ath6kl_dbg(ATH6KL_DBG_IRQ,
"GMBOX lookahead alias 0: 0x%x\n",
irq_proc_reg->rx_gmbox_lkahd_alias[0]);
ath6kl_dbg(ATH6KL_DBG_IRQ,
"GMBOX lookahead alias 1: 0x%x\n",
irq_proc_reg->rx_gmbox_lkahd_alias[1]);
}
}
if (irq_enable_reg != NULL) {
ath6kl_dbg(ATH6KL_DBG_IRQ,
"Int status Enable: 0x%x\n",
irq_enable_reg->int_status_en);
ath6kl_dbg(ATH6KL_DBG_IRQ, "Counter Int status Enable: 0x%x\n",
irq_enable_reg->cntr_int_status_en);
}
ath6kl_dbg(ATH6KL_DBG_IRQ, "<------------------------------->\n");
}
static void dump_cred_dist(struct htc_endpoint_credit_dist *ep_dist)
{
ath6kl_dbg(ATH6KL_DBG_CREDIT,
"--- endpoint: %d svc_id: 0x%X ---\n",
ep_dist->endpoint, ep_dist->svc_id);
ath6kl_dbg(ATH6KL_DBG_CREDIT, " dist_flags : 0x%X\n",
ep_dist->dist_flags);
ath6kl_dbg(ATH6KL_DBG_CREDIT, " cred_norm : %d\n",
ep_dist->cred_norm);
ath6kl_dbg(ATH6KL_DBG_CREDIT, " cred_min : %d\n",
ep_dist->cred_min);
ath6kl_dbg(ATH6KL_DBG_CREDIT, " credits : %d\n",
ep_dist->credits);
ath6kl_dbg(ATH6KL_DBG_CREDIT, " cred_assngd : %d\n",
ep_dist->cred_assngd);
ath6kl_dbg(ATH6KL_DBG_CREDIT, " seek_cred : %d\n",
ep_dist->seek_cred);
ath6kl_dbg(ATH6KL_DBG_CREDIT, " cred_sz : %d\n",
ep_dist->cred_sz);
ath6kl_dbg(ATH6KL_DBG_CREDIT, " cred_per_msg : %d\n",
ep_dist->cred_per_msg);
ath6kl_dbg(ATH6KL_DBG_CREDIT, " cred_to_dist : %d\n",
ep_dist->cred_to_dist);
ath6kl_dbg(ATH6KL_DBG_CREDIT, " txq_depth : %d\n",
get_queue_depth(&ep_dist->htc_ep->txq));
ath6kl_dbg(ATH6KL_DBG_CREDIT,
"----------------------------------\n");
}
/* FIXME: move to htc.c */
void dump_cred_dist_stats(struct htc_target *target)
{
struct htc_endpoint_credit_dist *ep_list;
list_for_each_entry(ep_list, &target->cred_dist_list, list)
dump_cred_dist(ep_list);
ath6kl_dbg(ATH6KL_DBG_CREDIT,
"credit distribution total %d free %d\n",
target->credit_info->total_avail_credits,
target->credit_info->cur_free_credits);
}
void ath6kl_debug_war(struct ath6kl *ar, enum ath6kl_war war)
{
switch (war) {
case ATH6KL_WAR_INVALID_RATE:
ar->debug.war_stats.invalid_rate++;
break;
}
}
static ssize_t read_file_war_stats(struct file *file, char __user *user_buf,
size_t count, loff_t *ppos)
{
struct ath6kl *ar = file->private_data;
char *buf;
unsigned int len = 0, buf_len = 1500;
ssize_t ret_cnt;
buf = kzalloc(buf_len, GFP_KERNEL);
if (!buf)
return -ENOMEM;
len += scnprintf(buf + len, buf_len - len, "\n");
len += scnprintf(buf + len, buf_len - len, "%25s\n",
"Workaround stats");
len += scnprintf(buf + len, buf_len - len, "%25s\n\n",
"=================");
len += scnprintf(buf + len, buf_len - len, "%20s %10u\n",
"Invalid rates", ar->debug.war_stats.invalid_rate);
if (WARN_ON(len > buf_len))
len = buf_len;
ret_cnt = simple_read_from_buffer(user_buf, count, ppos, buf, len);
kfree(buf);
return ret_cnt;
}
static const struct file_operations fops_war_stats = {
.read = read_file_war_stats,
.open = simple_open,
.owner = THIS_MODULE,
.llseek = default_llseek,
};
void ath6kl_debug_fwlog_event(struct ath6kl *ar, const void *buf, size_t len)
{
struct ath6kl_fwlog_slot *slot;
struct sk_buff *skb;
size_t slot_len;
if (WARN_ON(len > ATH6KL_FWLOG_PAYLOAD_SIZE))
return;
slot_len = sizeof(*slot) + ATH6KL_FWLOG_PAYLOAD_SIZE;
skb = alloc_skb(slot_len, GFP_KERNEL);
if (!skb)
return;
slot = (struct ath6kl_fwlog_slot *) skb_put(skb, slot_len);
slot->timestamp = cpu_to_le32(jiffies);
slot->length = cpu_to_le32(len);
memcpy(slot->payload, buf, len);
/* Need to pad each record to fixed length ATH6KL_FWLOG_PAYLOAD_SIZE */
memset(slot->payload + len, 0, ATH6KL_FWLOG_PAYLOAD_SIZE - len);
spin_lock(&ar->debug.fwlog_queue.lock);
__skb_queue_tail(&ar->debug.fwlog_queue, skb);
complete(&ar->debug.fwlog_completion);
/* drop oldest entries */
while (skb_queue_len(&ar->debug.fwlog_queue) >
ATH6KL_FWLOG_MAX_ENTRIES) {
skb = __skb_dequeue(&ar->debug.fwlog_queue);
kfree_skb(skb);
}
spin_unlock(&ar->debug.fwlog_queue.lock);
return;
}
static int ath6kl_fwlog_open(struct inode *inode, struct file *file)
{
struct ath6kl *ar = inode->i_private;
if (ar->debug.fwlog_open)
return -EBUSY;
ar->debug.fwlog_open = true;
file->private_data = inode->i_private;
return 0;
}
static int ath6kl_fwlog_release(struct inode *inode, struct file *file)
{
struct ath6kl *ar = inode->i_private;
ar->debug.fwlog_open = false;
return 0;
}
static ssize_t ath6kl_fwlog_read(struct file *file, char __user *user_buf,
size_t count, loff_t *ppos)
{
struct ath6kl *ar = file->private_data;
struct sk_buff *skb;
ssize_t ret_cnt;
size_t len = 0;
char *buf;
buf = vmalloc(count);
if (!buf)
return -ENOMEM;
/* read undelivered logs from firmware */
ath6kl_read_fwlogs(ar);
spin_lock(&ar->debug.fwlog_queue.lock);
while ((skb = __skb_dequeue(&ar->debug.fwlog_queue))) {
if (skb->len > count - len) {
/* not enough space, put skb back and leave */
__skb_queue_head(&ar->debug.fwlog_queue, skb);
break;
}
memcpy(buf + len, skb->data, skb->len);
len += skb->len;
kfree_skb(skb);
}
spin_unlock(&ar->debug.fwlog_queue.lock);
/* FIXME: what to do if len == 0? */
ret_cnt = simple_read_from_buffer(user_buf, count, ppos, buf, len);
vfree(buf);
return ret_cnt;
}
static const struct file_operations fops_fwlog = {
.open = ath6kl_fwlog_open,
.release = ath6kl_fwlog_release,
.read = ath6kl_fwlog_read,
.owner = THIS_MODULE,
.llseek = default_llseek,
};
static ssize_t ath6kl_fwlog_block_read(struct file *file,
char __user *user_buf,
size_t count,
loff_t *ppos)
{
struct ath6kl *ar = file->private_data;
struct sk_buff *skb;
ssize_t ret_cnt;
size_t len = 0, not_copied;
char *buf;
int ret;
buf = vmalloc(count);
if (!buf)
return -ENOMEM;
spin_lock(&ar->debug.fwlog_queue.lock);
if (skb_queue_len(&ar->debug.fwlog_queue) == 0) {
/* we must init under queue lock */
init_completion(&ar->debug.fwlog_completion);
spin_unlock(&ar->debug.fwlog_queue.lock);
ret = wait_for_completion_interruptible(
&ar->debug.fwlog_completion);
if (ret == -ERESTARTSYS) {
vfree(buf);
return ret;
}
spin_lock(&ar->debug.fwlog_queue.lock);
}
while ((skb = __skb_dequeue(&ar->debug.fwlog_queue))) {
if (skb->len > count - len) {
/* not enough space, put skb back and leave */
__skb_queue_head(&ar->debug.fwlog_queue, skb);
break;
}
memcpy(buf + len, skb->data, skb->len);
len += skb->len;
kfree_skb(skb);
}
spin_unlock(&ar->debug.fwlog_queue.lock);
/* FIXME: what to do if len == 0? */
not_copied = copy_to_user(user_buf, buf, len);
if (not_copied != 0) {
ret_cnt = -EFAULT;
goto out;
}
*ppos = *ppos + len;
ret_cnt = len;
out:
vfree(buf);
return ret_cnt;
}
static const struct file_operations fops_fwlog_block = {
.open = ath6kl_fwlog_open,
.release = ath6kl_fwlog_release,
.read = ath6kl_fwlog_block_read,
.owner = THIS_MODULE,
.llseek = default_llseek,
};
static ssize_t ath6kl_fwlog_mask_read(struct file *file, char __user *user_buf,
size_t count, loff_t *ppos)
{
struct ath6kl *ar = file->private_data;
char buf[16];
int len;
len = snprintf(buf, sizeof(buf), "0x%x\n", ar->debug.fwlog_mask);
return simple_read_from_buffer(user_buf, count, ppos, buf, len);
}
static ssize_t ath6kl_fwlog_mask_write(struct file *file,
const char __user *user_buf,
size_t count, loff_t *ppos)
{
struct ath6kl *ar = file->private_data;
int ret;
ret = kstrtou32_from_user(user_buf, count, 0, &ar->debug.fwlog_mask);
if (ret)
return ret;
ret = ath6kl_wmi_config_debug_module_cmd(ar->wmi,
ATH6KL_FWLOG_VALID_MASK,
ar->debug.fwlog_mask);
if (ret)
return ret;
return count;
}
static const struct file_operations fops_fwlog_mask = {
.open = simple_open,
.read = ath6kl_fwlog_mask_read,
.write = ath6kl_fwlog_mask_write,
.owner = THIS_MODULE,
.llseek = default_llseek,
};
static ssize_t read_file_tgt_stats(struct file *file, char __user *user_buf,
size_t count, loff_t *ppos)
{
struct ath6kl *ar = file->private_data;
struct ath6kl_vif *vif;
struct target_stats *tgt_stats;
char *buf;
unsigned int len = 0, buf_len = 1500;
int i;
long left;
ssize_t ret_cnt;
vif = ath6kl_vif_first(ar);
if (!vif)
return -EIO;
tgt_stats = &vif->target_stats;
buf = kzalloc(buf_len, GFP_KERNEL);
if (!buf)
return -ENOMEM;
if (down_interruptible(&ar->sem)) {
kfree(buf);
return -EBUSY;
}
set_bit(STATS_UPDATE_PEND, &vif->flags);
if (ath6kl_wmi_get_stats_cmd(ar->wmi, 0)) {
up(&ar->sem);
kfree(buf);
return -EIO;
}
left = wait_event_interruptible_timeout(ar->event_wq,
!test_bit(STATS_UPDATE_PEND,
&vif->flags), WMI_TIMEOUT);
up(&ar->sem);
if (left <= 0) {
kfree(buf);
return -ETIMEDOUT;
}
len += scnprintf(buf + len, buf_len - len, "\n");
len += scnprintf(buf + len, buf_len - len, "%25s\n",
"Target Tx stats");
len += scnprintf(buf + len, buf_len - len, "%25s\n\n",
"=================");
len += scnprintf(buf + len, buf_len - len, "%20s %10llu\n",
"Ucast packets", tgt_stats->tx_ucast_pkt);
len += scnprintf(buf + len, buf_len - len, "%20s %10llu\n",
"Bcast packets", tgt_stats->tx_bcast_pkt);
len += scnprintf(buf + len, buf_len - len, "%20s %10llu\n",
"Ucast byte", tgt_stats->tx_ucast_byte);
len += scnprintf(buf + len, buf_len - len, "%20s %10llu\n",
"Bcast byte", tgt_stats->tx_bcast_byte);
len += scnprintf(buf + len, buf_len - len, "%20s %10llu\n",
"Rts success cnt", tgt_stats->tx_rts_success_cnt);
for (i = 0; i < 4; i++)
len += scnprintf(buf + len, buf_len - len,
"%18s %d %10llu\n", "PER on ac",
i, tgt_stats->tx_pkt_per_ac[i]);
len += scnprintf(buf + len, buf_len - len, "%20s %10llu\n",
"Error", tgt_stats->tx_err);
len += scnprintf(buf + len, buf_len - len, "%20s %10llu\n",
"Fail count", tgt_stats->tx_fail_cnt);
len += scnprintf(buf + len, buf_len - len, "%20s %10llu\n",
"Retry count", tgt_stats->tx_retry_cnt);
len += scnprintf(buf + len, buf_len - len, "%20s %10llu\n",
"Multi retry cnt", tgt_stats->tx_mult_retry_cnt);
len += scnprintf(buf + len, buf_len - len, "%20s %10llu\n",
"Rts fail cnt", tgt_stats->tx_rts_fail_cnt);
len += scnprintf(buf + len, buf_len - len, "%25s %10llu\n\n",
"TKIP counter measure used",
tgt_stats->tkip_cnter_measures_invoked);
len += scnprintf(buf + len, buf_len - len, "%25s\n",
"Target Rx stats");
len += scnprintf(buf + len, buf_len - len, "%25s\n",
"=================");
len += scnprintf(buf + len, buf_len - len, "%20s %10llu\n",
"Ucast packets", tgt_stats->rx_ucast_pkt);
len += scnprintf(buf + len, buf_len - len, "%20s %10d\n",
"Ucast Rate", tgt_stats->rx_ucast_rate);
len += scnprintf(buf + len, buf_len - len, "%20s %10llu\n",
"Bcast packets", tgt_stats->rx_bcast_pkt);
len += scnprintf(buf + len, buf_len - len, "%20s %10llu\n",
"Ucast byte", tgt_stats->rx_ucast_byte);
len += scnprintf(buf + len, buf_len - len, "%20s %10llu\n",
"Bcast byte", tgt_stats->rx_bcast_byte);
len += scnprintf(buf + len, buf_len - len, "%20s %10llu\n",
"Fragmented pkt", tgt_stats->rx_frgment_pkt);
len += scnprintf(buf + len, buf_len - len, "%20s %10llu\n",
"Error", tgt_stats->rx_err);
len += scnprintf(buf + len, buf_len - len, "%20s %10llu\n",
"CRC Err", tgt_stats->rx_crc_err);
len += scnprintf(buf + len, buf_len - len, "%20s %10llu\n",
"Key chache miss", tgt_stats->rx_key_cache_miss);
len += scnprintf(buf + len, buf_len - len, "%20s %10llu\n",
"Decrypt Err", tgt_stats->rx_decrypt_err);
len += scnprintf(buf + len, buf_len - len, "%20s %10llu\n",
"Duplicate frame", tgt_stats->rx_dupl_frame);
len += scnprintf(buf + len, buf_len - len, "%20s %10llu\n",
"Tkip Mic failure", tgt_stats->tkip_local_mic_fail);
len += scnprintf(buf + len, buf_len - len, "%20s %10llu\n",
"TKIP format err", tgt_stats->tkip_fmt_err);
len += scnprintf(buf + len, buf_len - len, "%20s %10llu\n",
"CCMP format Err", tgt_stats->ccmp_fmt_err);
len += scnprintf(buf + len, buf_len - len, "%20s %10llu\n\n",
"CCMP Replay Err", tgt_stats->ccmp_replays);
len += scnprintf(buf + len, buf_len - len, "%25s\n",
"Misc Target stats");
len += scnprintf(buf + len, buf_len - len, "%25s\n",
"=================");
len += scnprintf(buf + len, buf_len - len, "%20s %10llu\n",
"Beacon Miss count", tgt_stats->cs_bmiss_cnt);
len += scnprintf(buf + len, buf_len - len, "%20s %10llu\n",
"Num Connects", tgt_stats->cs_connect_cnt);
len += scnprintf(buf + len, buf_len - len, "%20s %10llu\n",
"Num disconnects", tgt_stats->cs_discon_cnt);
len += scnprintf(buf + len, buf_len - len, "%20s %10d\n",
"Beacon avg rssi", tgt_stats->cs_ave_beacon_rssi);
len += scnprintf(buf + len, buf_len - len, "%20s %10d\n",
"ARP pkt received", tgt_stats->arp_received);
len += scnprintf(buf + len, buf_len - len, "%20s %10d\n",
"ARP pkt matched", tgt_stats->arp_matched);
len += scnprintf(buf + len, buf_len - len, "%20s %10d\n",
"ARP pkt replied", tgt_stats->arp_replied);
if (len > buf_len)
len = buf_len;
ret_cnt = simple_read_from_buffer(user_buf, count, ppos, buf, len);
kfree(buf);
return ret_cnt;
}
static const struct file_operations fops_tgt_stats = {
.read = read_file_tgt_stats,
.open = simple_open,
.owner = THIS_MODULE,
.llseek = default_llseek,
};
#define print_credit_info(fmt_str, ep_list_field) \
(len += scnprintf(buf + len, buf_len - len, fmt_str, \
ep_list->ep_list_field))
#define CREDIT_INFO_DISPLAY_STRING_LEN 200
#define CREDIT_INFO_LEN 128
static ssize_t read_file_credit_dist_stats(struct file *file,
char __user *user_buf,
size_t count, loff_t *ppos)
{
struct ath6kl *ar = file->private_data;
struct htc_target *target = ar->htc_target;
struct htc_endpoint_credit_dist *ep_list;
char *buf;
unsigned int buf_len, len = 0;
ssize_t ret_cnt;
buf_len = CREDIT_INFO_DISPLAY_STRING_LEN +
get_queue_depth(&target->cred_dist_list) * CREDIT_INFO_LEN;
buf = kzalloc(buf_len, GFP_KERNEL);
if (!buf)
return -ENOMEM;
len += scnprintf(buf + len, buf_len - len, "%25s%5d\n",
"Total Avail Credits: ",
target->credit_info->total_avail_credits);
len += scnprintf(buf + len, buf_len - len, "%25s%5d\n",
"Free credits :",
target->credit_info->cur_free_credits);
len += scnprintf(buf + len, buf_len - len,
" Epid Flags Cred_norm Cred_min Credits Cred_assngd"
" Seek_cred Cred_sz Cred_per_msg Cred_to_dist"
" qdepth\n");
list_for_each_entry(ep_list, &target->cred_dist_list, list) {
print_credit_info(" %2d", endpoint);
print_credit_info("%10x", dist_flags);
print_credit_info("%8d", cred_norm);
print_credit_info("%9d", cred_min);
print_credit_info("%9d", credits);
print_credit_info("%10d", cred_assngd);
print_credit_info("%13d", seek_cred);
print_credit_info("%12d", cred_sz);
print_credit_info("%9d", cred_per_msg);
print_credit_info("%14d", cred_to_dist);
len += scnprintf(buf + len, buf_len - len, "%12d\n",
get_queue_depth(&ep_list->htc_ep->txq));
}
if (len > buf_len)
len = buf_len;
ret_cnt = simple_read_from_buffer(user_buf, count, ppos, buf, len);
kfree(buf);
return ret_cnt;
}
static const struct file_operations fops_credit_dist_stats = {
.read = read_file_credit_dist_stats,
.open = simple_open,
.owner = THIS_MODULE,
.llseek = default_llseek,
};
static unsigned int print_endpoint_stat(struct htc_target *target, char *buf,
unsigned int buf_len, unsigned int len,
int offset, const char *name)
{
int i;
struct htc_endpoint_stats *ep_st;
u32 *counter;
len += scnprintf(buf + len, buf_len - len, "%s:", name);
for (i = 0; i < ENDPOINT_MAX; i++) {
ep_st = &target->endpoint[i].ep_st;
counter = ((u32 *) ep_st) + (offset / 4);
len += scnprintf(buf + len, buf_len - len, " %u", *counter);
}
len += scnprintf(buf + len, buf_len - len, "\n");
return len;
}
static ssize_t ath6kl_endpoint_stats_read(struct file *file,
char __user *user_buf,
size_t count, loff_t *ppos)
{
struct ath6kl *ar = file->private_data;
struct htc_target *target = ar->htc_target;
char *buf;
unsigned int buf_len, len = 0;
ssize_t ret_cnt;
buf_len = sizeof(struct htc_endpoint_stats) / sizeof(u32) *
(25 + ENDPOINT_MAX * 11);
buf = kmalloc(buf_len, GFP_KERNEL);
if (!buf)
return -ENOMEM;
#define EPSTAT(name) \
do { \
len = print_endpoint_stat(target, buf, buf_len, len, \
offsetof(struct htc_endpoint_stats, \
name), \
#name); \
} while (0)
EPSTAT(cred_low_indicate);
EPSTAT(tx_issued);
EPSTAT(tx_pkt_bundled);
EPSTAT(tx_bundles);
EPSTAT(tx_dropped);
EPSTAT(tx_cred_rpt);
EPSTAT(cred_rpt_from_rx);
EPSTAT(cred_rpt_from_other);
EPSTAT(cred_rpt_ep0);
EPSTAT(cred_from_rx);
EPSTAT(cred_from_other);
EPSTAT(cred_from_ep0);
EPSTAT(cred_cosumd);
EPSTAT(cred_retnd);
EPSTAT(rx_pkts);
EPSTAT(rx_lkahds);
EPSTAT(rx_bundl);
EPSTAT(rx_bundle_lkahd);
EPSTAT(rx_bundle_from_hdr);
EPSTAT(rx_alloc_thresh_hit);
EPSTAT(rxalloc_thresh_byte);
#undef EPSTAT
if (len > buf_len)
len = buf_len;
ret_cnt = simple_read_from_buffer(user_buf, count, ppos, buf, len);
kfree(buf);
return ret_cnt;
}
static ssize_t ath6kl_endpoint_stats_write(struct file *file,
const char __user *user_buf,
size_t count, loff_t *ppos)
{
struct ath6kl *ar = file->private_data;
struct htc_target *target = ar->htc_target;
int ret, i;
u32 val;
struct htc_endpoint_stats *ep_st;
ret = kstrtou32_from_user(user_buf, count, 0, &val);
if (ret)
return ret;
if (val == 0) {
for (i = 0; i < ENDPOINT_MAX; i++) {
ep_st = &target->endpoint[i].ep_st;
memset(ep_st, 0, sizeof(*ep_st));
}
}
return count;
}
static const struct file_operations fops_endpoint_stats = {
.open = simple_open,
.read = ath6kl_endpoint_stats_read,
.write = ath6kl_endpoint_stats_write,
.owner = THIS_MODULE,
.llseek = default_llseek,
};
static unsigned long ath6kl_get_num_reg(void)
{
int i;
unsigned long n_reg = 0;
for (i = 0; i < ARRAY_SIZE(diag_reg); i++)
n_reg = n_reg +
(diag_reg[i].reg_end - diag_reg[i].reg_start) / 4 + 1;
return n_reg;
}
static bool ath6kl_dbg_is_diag_reg_valid(u32 reg_addr)
{
int i;
for (i = 0; i < ARRAY_SIZE(diag_reg); i++) {
if (reg_addr >= diag_reg[i].reg_start &&
reg_addr <= diag_reg[i].reg_end)
return true;
}
return false;
}
static ssize_t ath6kl_regread_read(struct file *file, char __user *user_buf,
size_t count, loff_t *ppos)
{
struct ath6kl *ar = file->private_data;
u8 buf[50];
unsigned int len = 0;
if (ar->debug.dbgfs_diag_reg)
len += scnprintf(buf + len, sizeof(buf) - len, "0x%x\n",
ar->debug.dbgfs_diag_reg);
else
len += scnprintf(buf + len, sizeof(buf) - len,
"All diag registers\n");
return simple_read_from_buffer(user_buf, count, ppos, buf, len);
}
static ssize_t ath6kl_regread_write(struct file *file,
const char __user *user_buf,
size_t count, loff_t *ppos)
{
struct ath6kl *ar = file->private_data;
unsigned long reg_addr;
if (kstrtoul_from_user(user_buf, count, 0, &reg_addr))
return -EINVAL;
if ((reg_addr % 4) != 0)
return -EINVAL;
if (reg_addr && !ath6kl_dbg_is_diag_reg_valid(reg_addr))
return -EINVAL;
ar->debug.dbgfs_diag_reg = reg_addr;
return count;
}
static const struct file_operations fops_diag_reg_read = {
.read = ath6kl_regread_read,
.write = ath6kl_regread_write,
.open = simple_open,
.owner = THIS_MODULE,
.llseek = default_llseek,
};
static int ath6kl_regdump_open(struct inode *inode, struct file *file)
{
struct ath6kl *ar = inode->i_private;
u8 *buf;
unsigned long int reg_len;
unsigned int len = 0, n_reg;
u32 addr;
__le32 reg_val;
int i, status;
/* Dump all the registers if no register is specified */
if (!ar->debug.dbgfs_diag_reg)
n_reg = ath6kl_get_num_reg();
else
n_reg = 1;
reg_len = n_reg * REG_OUTPUT_LEN_PER_LINE;
if (n_reg > 1)
reg_len += REGTYPE_STR_LEN;
buf = vmalloc(reg_len);
if (!buf)
return -ENOMEM;
if (n_reg == 1) {
addr = ar->debug.dbgfs_diag_reg;
status = ath6kl_diag_read32(ar,
TARG_VTOP(ar->target_type, addr),
(u32 *)&reg_val);
if (status)
goto fail_reg_read;
len += scnprintf(buf + len, reg_len - len,
"0x%06x 0x%08x\n", addr, le32_to_cpu(reg_val));
goto done;
}
for (i = 0; i < ARRAY_SIZE(diag_reg); i++) {
len += scnprintf(buf + len, reg_len - len,
"%s\n", diag_reg[i].reg_info);
for (addr = diag_reg[i].reg_start;
addr <= diag_reg[i].reg_end; addr += 4) {
status = ath6kl_diag_read32(ar,
TARG_VTOP(ar->target_type, addr),
(u32 *)&reg_val);
if (status)
goto fail_reg_read;
len += scnprintf(buf + len, reg_len - len,
"0x%06x 0x%08x\n",
addr, le32_to_cpu(reg_val));
}
}
done:
file->private_data = buf;
return 0;
fail_reg_read:
ath6kl_warn("Unable to read memory:%u\n", addr);
vfree(buf);
return -EIO;
}
static ssize_t ath6kl_regdump_read(struct file *file, char __user *user_buf,
size_t count, loff_t *ppos)
{
u8 *buf = file->private_data;
return simple_read_from_buffer(user_buf, count, ppos, buf, strlen(buf));
}
static int ath6kl_regdump_release(struct inode *inode, struct file *file)
{
vfree(file->private_data);
return 0;
}
static const struct file_operations fops_reg_dump = {
.open = ath6kl_regdump_open,
.read = ath6kl_regdump_read,
.release = ath6kl_regdump_release,
.owner = THIS_MODULE,
.llseek = default_llseek,
};
static ssize_t ath6kl_lrssi_roam_write(struct file *file,
const char __user *user_buf,
size_t count, loff_t *ppos)
{
struct ath6kl *ar = file->private_data;
unsigned long lrssi_roam_threshold;
if (kstrtoul_from_user(user_buf, count, 0, &lrssi_roam_threshold))
return -EINVAL;
ar->lrssi_roam_threshold = lrssi_roam_threshold;
ath6kl_wmi_set_roam_lrssi_cmd(ar->wmi, ar->lrssi_roam_threshold);
return count;
}
static ssize_t ath6kl_lrssi_roam_read(struct file *file,
char __user *user_buf,
size_t count, loff_t *ppos)
{
struct ath6kl *ar = file->private_data;
char buf[32];
unsigned int len;
len = snprintf(buf, sizeof(buf), "%u\n", ar->lrssi_roam_threshold);
return simple_read_from_buffer(user_buf, count, ppos, buf, len);
}
static const struct file_operations fops_lrssi_roam_threshold = {
.read = ath6kl_lrssi_roam_read,
.write = ath6kl_lrssi_roam_write,
.open = simple_open,
.owner = THIS_MODULE,
.llseek = default_llseek,
};
static ssize_t ath6kl_regwrite_read(struct file *file,
char __user *user_buf,
size_t count, loff_t *ppos)
{
struct ath6kl *ar = file->private_data;
u8 buf[32];
unsigned int len = 0;
len = scnprintf(buf, sizeof(buf), "Addr: 0x%x Val: 0x%x\n",
ar->debug.diag_reg_addr_wr, ar->debug.diag_reg_val_wr);
return simple_read_from_buffer(user_buf, count, ppos, buf, len);
}
static ssize_t ath6kl_regwrite_write(struct file *file,
const char __user *user_buf,
size_t count, loff_t *ppos)
{
struct ath6kl *ar = file->private_data;
char buf[32];
char *sptr, *token;
unsigned int len = 0;
u32 reg_addr, reg_val;
len = min(count, sizeof(buf) - 1);
if (copy_from_user(buf, user_buf, len))
return -EFAULT;
buf[len] = '\0';
sptr = buf;
token = strsep(&sptr, "=");
if (!token)
return -EINVAL;
if (kstrtou32(token, 0, &reg_addr))
return -EINVAL;
if (!ath6kl_dbg_is_diag_reg_valid(reg_addr))
return -EINVAL;
if (kstrtou32(sptr, 0, &reg_val))
return -EINVAL;
ar->debug.diag_reg_addr_wr = reg_addr;
ar->debug.diag_reg_val_wr = reg_val;
if (ath6kl_diag_write32(ar, ar->debug.diag_reg_addr_wr,
cpu_to_le32(ar->debug.diag_reg_val_wr)))
return -EIO;
return count;
}
static const struct file_operations fops_diag_reg_write = {
.read = ath6kl_regwrite_read,
.write = ath6kl_regwrite_write,
.open = simple_open,
.owner = THIS_MODULE,
.llseek = default_llseek,
};
int ath6kl_debug_roam_tbl_event(struct ath6kl *ar, const void *buf,
size_t len)
{
const struct wmi_target_roam_tbl *tbl;
u16 num_entries;
if (len < sizeof(*tbl))
return -EINVAL;
tbl = (const struct wmi_target_roam_tbl *) buf;
num_entries = le16_to_cpu(tbl->num_entries);
if (sizeof(*tbl) + num_entries * sizeof(struct wmi_bss_roam_info) >
len)
return -EINVAL;
if (ar->debug.roam_tbl == NULL ||
ar->debug.roam_tbl_len < (unsigned int) len) {
kfree(ar->debug.roam_tbl);
ar->debug.roam_tbl = kmalloc(len, GFP_ATOMIC);
if (ar->debug.roam_tbl == NULL)
return -ENOMEM;
}
memcpy(ar->debug.roam_tbl, buf, len);
ar->debug.roam_tbl_len = len;
if (test_bit(ROAM_TBL_PEND, &ar->flag)) {
clear_bit(ROAM_TBL_PEND, &ar->flag);
wake_up(&ar->event_wq);
}
return 0;
}
static ssize_t ath6kl_roam_table_read(struct file *file, char __user *user_buf,
size_t count, loff_t *ppos)
{
struct ath6kl *ar = file->private_data;
int ret;
long left;
struct wmi_target_roam_tbl *tbl;
u16 num_entries, i;
char *buf;
unsigned int len, buf_len;
ssize_t ret_cnt;
if (down_interruptible(&ar->sem))
return -EBUSY;
set_bit(ROAM_TBL_PEND, &ar->flag);
ret = ath6kl_wmi_get_roam_tbl_cmd(ar->wmi);
if (ret) {
up(&ar->sem);
return ret;
}
left = wait_event_interruptible_timeout(
ar->event_wq, !test_bit(ROAM_TBL_PEND, &ar->flag), WMI_TIMEOUT);
up(&ar->sem);
if (left <= 0)
return -ETIMEDOUT;
if (ar->debug.roam_tbl == NULL)
return -ENOMEM;
tbl = (struct wmi_target_roam_tbl *) ar->debug.roam_tbl;
num_entries = le16_to_cpu(tbl->num_entries);
buf_len = 100 + num_entries * 100;
buf = kzalloc(buf_len, GFP_KERNEL);
if (buf == NULL)
return -ENOMEM;
len = 0;
len += scnprintf(buf + len, buf_len - len,
"roam_mode=%u\n\n"
"# roam_util bssid rssi rssidt last_rssi util bias\n",
le16_to_cpu(tbl->roam_mode));
for (i = 0; i < num_entries; i++) {
struct wmi_bss_roam_info *info = &tbl->info[i];
len += scnprintf(buf + len, buf_len - len,
"%d %pM %d %d %d %d %d\n",
a_sle32_to_cpu(info->roam_util), info->bssid,
info->rssi, info->rssidt, info->last_rssi,
info->util, info->bias);
}
if (len > buf_len)
len = buf_len;
ret_cnt = simple_read_from_buffer(user_buf, count, ppos, buf, len);
kfree(buf);
return ret_cnt;
}
static const struct file_operations fops_roam_table = {
.read = ath6kl_roam_table_read,
.open = simple_open,
.owner = THIS_MODULE,
.llseek = default_llseek,
};
static ssize_t ath6kl_force_roam_write(struct file *file,
const char __user *user_buf,
size_t count, loff_t *ppos)
{
struct ath6kl *ar = file->private_data;
int ret;
char buf[20];
size_t len;
u8 bssid[ETH_ALEN];
len = min(count, sizeof(buf) - 1);
if (copy_from_user(buf, user_buf, len))
return -EFAULT;
buf[len] = '\0';
if (!mac_pton(buf, bssid))
return -EINVAL;
ret = ath6kl_wmi_force_roam_cmd(ar->wmi, bssid);
if (ret)
return ret;
return count;
}
static const struct file_operations fops_force_roam = {
.write = ath6kl_force_roam_write,
.open = simple_open,
.owner = THIS_MODULE,
.llseek = default_llseek,
};
static ssize_t ath6kl_roam_mode_write(struct file *file,
const char __user *user_buf,
size_t count, loff_t *ppos)
{
struct ath6kl *ar = file->private_data;
int ret;
char buf[20];
size_t len;
enum wmi_roam_mode mode;
len = min(count, sizeof(buf) - 1);
if (copy_from_user(buf, user_buf, len))
return -EFAULT;
buf[len] = '\0';
if (len > 0 && buf[len - 1] == '\n')
buf[len - 1] = '\0';
if (strcasecmp(buf, "default") == 0)
mode = WMI_DEFAULT_ROAM_MODE;
else if (strcasecmp(buf, "bssbias") == 0)
mode = WMI_HOST_BIAS_ROAM_MODE;
else if (strcasecmp(buf, "lock") == 0)
mode = WMI_LOCK_BSS_MODE;
else
return -EINVAL;
ret = ath6kl_wmi_set_roam_mode_cmd(ar->wmi, mode);
if (ret)
return ret;
return count;
}
static const struct file_operations fops_roam_mode = {
.write = ath6kl_roam_mode_write,
.open = simple_open,
.owner = THIS_MODULE,
.llseek = default_llseek,
};
void ath6kl_debug_set_keepalive(struct ath6kl *ar, u8 keepalive)
{
ar->debug.keepalive = keepalive;
}
static ssize_t ath6kl_keepalive_read(struct file *file, char __user *user_buf,
size_t count, loff_t *ppos)
{
struct ath6kl *ar = file->private_data;
char buf[16];
int len;
len = snprintf(buf, sizeof(buf), "%u\n", ar->debug.keepalive);
return simple_read_from_buffer(user_buf, count, ppos, buf, len);
}
static ssize_t ath6kl_keepalive_write(struct file *file,
const char __user *user_buf,
size_t count, loff_t *ppos)
{
struct ath6kl *ar = file->private_data;
int ret;
u8 val;
ret = kstrtou8_from_user(user_buf, count, 0, &val);
if (ret)
return ret;
ret = ath6kl_wmi_set_keepalive_cmd(ar->wmi, 0, val);
if (ret)
return ret;
return count;
}
static const struct file_operations fops_keepalive = {
.open = simple_open,
.read = ath6kl_keepalive_read,
.write = ath6kl_keepalive_write,
.owner = THIS_MODULE,
.llseek = default_llseek,
};
void ath6kl_debug_set_disconnect_timeout(struct ath6kl *ar, u8 timeout)
{
ar->debug.disc_timeout = timeout;
}
static ssize_t ath6kl_disconnect_timeout_read(struct file *file,
char __user *user_buf,
size_t count, loff_t *ppos)
{
struct ath6kl *ar = file->private_data;
char buf[16];
int len;
len = snprintf(buf, sizeof(buf), "%u\n", ar->debug.disc_timeout);
return simple_read_from_buffer(user_buf, count, ppos, buf, len);
}
static ssize_t ath6kl_disconnect_timeout_write(struct file *file,
const char __user *user_buf,
size_t count, loff_t *ppos)
{
struct ath6kl *ar = file->private_data;
int ret;
u8 val;
ret = kstrtou8_from_user(user_buf, count, 0, &val);
if (ret)
return ret;
ret = ath6kl_wmi_disctimeout_cmd(ar->wmi, 0, val);
if (ret)
return ret;
return count;
}
static const struct file_operations fops_disconnect_timeout = {
.open = simple_open,
.read = ath6kl_disconnect_timeout_read,
.write = ath6kl_disconnect_timeout_write,
.owner = THIS_MODULE,
.llseek = default_llseek,
};
static ssize_t ath6kl_create_qos_write(struct file *file,
const char __user *user_buf,
size_t count, loff_t *ppos)
{
struct ath6kl *ar = file->private_data;
struct ath6kl_vif *vif;
char buf[200];
ssize_t len;
char *sptr, *token;
struct wmi_create_pstream_cmd pstream;
u32 val32;
u16 val16;
vif = ath6kl_vif_first(ar);
if (!vif)
return -EIO;
len = min(count, sizeof(buf) - 1);
if (copy_from_user(buf, user_buf, len))
return -EFAULT;
buf[len] = '\0';
sptr = buf;
token = strsep(&sptr, " ");
if (!token)
return -EINVAL;
if (kstrtou8(token, 0, &pstream.user_pri))
return -EINVAL;
token = strsep(&sptr, " ");
if (!token)
return -EINVAL;
if (kstrtou8(token, 0, &pstream.traffic_direc))
return -EINVAL;
token = strsep(&sptr, " ");
if (!token)
return -EINVAL;
if (kstrtou8(token, 0, &pstream.traffic_class))
return -EINVAL;
token = strsep(&sptr, " ");
if (!token)
return -EINVAL;
if (kstrtou8(token, 0, &pstream.traffic_type))
return -EINVAL;
token = strsep(&sptr, " ");
if (!token)
return -EINVAL;
if (kstrtou8(token, 0, &pstream.voice_psc_cap))
return -EINVAL;
token = strsep(&sptr, " ");
if (!token)
return -EINVAL;
if (kstrtou32(token, 0, &val32))
return -EINVAL;
pstream.min_service_int = cpu_to_le32(val32);
token = strsep(&sptr, " ");
if (!token)
return -EINVAL;
if (kstrtou32(token, 0, &val32))
return -EINVAL;
pstream.max_service_int = cpu_to_le32(val32);
token = strsep(&sptr, " ");
if (!token)
return -EINVAL;
if (kstrtou32(token, 0, &val32))
return -EINVAL;
pstream.inactivity_int = cpu_to_le32(val32);
token = strsep(&sptr, " ");
if (!token)
return -EINVAL;
if (kstrtou32(token, 0, &val32))
return -EINVAL;
pstream.suspension_int = cpu_to_le32(val32);
token = strsep(&sptr, " ");
if (!token)
return -EINVAL;
if (kstrtou32(token, 0, &val32))
return -EINVAL;
pstream.service_start_time = cpu_to_le32(val32);
token = strsep(&sptr, " ");
if (!token)
return -EINVAL;
if (kstrtou8(token, 0, &pstream.tsid))
return -EINVAL;
token = strsep(&sptr, " ");
if (!token)
return -EINVAL;
if (kstrtou16(token, 0, &val16))
return -EINVAL;
pstream.nominal_msdu = cpu_to_le16(val16);
token = strsep(&sptr, " ");
if (!token)
return -EINVAL;
if (kstrtou16(token, 0, &val16))
return -EINVAL;
pstream.max_msdu = cpu_to_le16(val16);
token = strsep(&sptr, " ");
if (!token)
return -EINVAL;
if (kstrtou32(token, 0, &val32))
return -EINVAL;
pstream.min_data_rate = cpu_to_le32(val32);
token = strsep(&sptr, " ");
if (!token)
return -EINVAL;
if (kstrtou32(token, 0, &val32))
return -EINVAL;
pstream.mean_data_rate = cpu_to_le32(val32);
token = strsep(&sptr, " ");
if (!token)
return -EINVAL;
if (kstrtou32(token, 0, &val32))
return -EINVAL;
pstream.peak_data_rate = cpu_to_le32(val32);
token = strsep(&sptr, " ");
if (!token)
return -EINVAL;
if (kstrtou32(token, 0, &val32))
return -EINVAL;
pstream.max_burst_size = cpu_to_le32(val32);
token = strsep(&sptr, " ");
if (!token)
return -EINVAL;
if (kstrtou32(token, 0, &val32))
return -EINVAL;
pstream.delay_bound = cpu_to_le32(val32);
token = strsep(&sptr, " ");
if (!token)
return -EINVAL;
if (kstrtou32(token, 0, &val32))
return -EINVAL;
pstream.min_phy_rate = cpu_to_le32(val32);
token = strsep(&sptr, " ");
if (!token)
return -EINVAL;
if (kstrtou32(token, 0, &val32))
return -EINVAL;
pstream.sba = cpu_to_le32(val32);
token = strsep(&sptr, " ");
if (!token)
return -EINVAL;
if (kstrtou32(token, 0, &val32))
return -EINVAL;
pstream.medium_time = cpu_to_le32(val32);
pstream.nominal_phy = le32_to_cpu(pstream.min_phy_rate) / 1000000;
ath6kl_wmi_create_pstream_cmd(ar->wmi, vif->fw_vif_idx, &pstream);
return count;
}
static const struct file_operations fops_create_qos = {
.write = ath6kl_create_qos_write,
.open = simple_open,
.owner = THIS_MODULE,
.llseek = default_llseek,
};
static ssize_t ath6kl_delete_qos_write(struct file *file,
const char __user *user_buf,
size_t count, loff_t *ppos)
{
struct ath6kl *ar = file->private_data;
struct ath6kl_vif *vif;
char buf[100];
ssize_t len;
char *sptr, *token;
u8 traffic_class;
u8 tsid;
vif = ath6kl_vif_first(ar);
if (!vif)
return -EIO;
len = min(count, sizeof(buf) - 1);
if (copy_from_user(buf, user_buf, len))
return -EFAULT;
buf[len] = '\0';
sptr = buf;
token = strsep(&sptr, " ");
if (!token)
return -EINVAL;
if (kstrtou8(token, 0, &traffic_class))
return -EINVAL;
token = strsep(&sptr, " ");
if (!token)
return -EINVAL;
if (kstrtou8(token, 0, &tsid))
return -EINVAL;
ath6kl_wmi_delete_pstream_cmd(ar->wmi, vif->fw_vif_idx,
traffic_class, tsid);
return count;
}
static const struct file_operations fops_delete_qos = {
.write = ath6kl_delete_qos_write,
.open = simple_open,
.owner = THIS_MODULE,
.llseek = default_llseek,
};
static ssize_t ath6kl_bgscan_int_write(struct file *file,
const char __user *user_buf,
size_t count, loff_t *ppos)
{
struct ath6kl *ar = file->private_data;
struct ath6kl_vif *vif;
u16 bgscan_int;
char buf[32];
ssize_t len;
vif = ath6kl_vif_first(ar);
if (!vif)
return -EIO;
len = min(count, sizeof(buf) - 1);
if (copy_from_user(buf, user_buf, len))
return -EFAULT;
buf[len] = '\0';
if (kstrtou16(buf, 0, &bgscan_int))
return -EINVAL;
if (bgscan_int == 0)
bgscan_int = 0xffff;
vif->bg_scan_period = bgscan_int;
ath6kl_wmi_scanparams_cmd(ar->wmi, 0, 0, 0, bgscan_int, 0, 0, 0, 3,
0, 0, 0);
return count;
}
static const struct file_operations fops_bgscan_int = {
.write = ath6kl_bgscan_int_write,
.open = simple_open,
.owner = THIS_MODULE,
.llseek = default_llseek,
};
static ssize_t ath6kl_listen_int_write(struct file *file,
const char __user *user_buf,
size_t count, loff_t *ppos)
{
struct ath6kl *ar = file->private_data;
struct ath6kl_vif *vif;
u16 listen_interval;
char buf[32];
ssize_t len;
vif = ath6kl_vif_first(ar);
if (!vif)
return -EIO;
len = min(count, sizeof(buf) - 1);
if (copy_from_user(buf, user_buf, len))
return -EFAULT;
buf[len] = '\0';
if (kstrtou16(buf, 0, &listen_interval))
return -EINVAL;
if ((listen_interval < 15) || (listen_interval > 3000))
return -EINVAL;
vif->listen_intvl_t = listen_interval;
ath6kl_wmi_listeninterval_cmd(ar->wmi, vif->fw_vif_idx,
vif->listen_intvl_t, 0);
return count;
}
static ssize_t ath6kl_listen_int_read(struct file *file,
char __user *user_buf,
size_t count, loff_t *ppos)
{
struct ath6kl *ar = file->private_data;
struct ath6kl_vif *vif;
char buf[32];
int len;
vif = ath6kl_vif_first(ar);
if (!vif)
return -EIO;
len = scnprintf(buf, sizeof(buf), "%u\n", vif->listen_intvl_t);
return simple_read_from_buffer(user_buf, count, ppos, buf, len);
}
static const struct file_operations fops_listen_int = {
.read = ath6kl_listen_int_read,
.write = ath6kl_listen_int_write,
.open = simple_open,
.owner = THIS_MODULE,
.llseek = default_llseek,
};
static ssize_t ath6kl_power_params_write(struct file *file,
const char __user *user_buf,
size_t count, loff_t *ppos)
{
struct ath6kl *ar = file->private_data;
u8 buf[100];
unsigned int len = 0;
char *sptr, *token;
u16 idle_period, ps_poll_num, dtim,
tx_wakeup, num_tx;
len = min(count, sizeof(buf) - 1);
if (copy_from_user(buf, user_buf, len))
return -EFAULT;
buf[len] = '\0';
sptr = buf;
token = strsep(&sptr, " ");
if (!token)
return -EINVAL;
if (kstrtou16(token, 0, &idle_period))
return -EINVAL;
token = strsep(&sptr, " ");
if (!token)
return -EINVAL;
if (kstrtou16(token, 0, &ps_poll_num))
return -EINVAL;
token = strsep(&sptr, " ");
if (!token)
return -EINVAL;
if (kstrtou16(token, 0, &dtim))
return -EINVAL;
token = strsep(&sptr, " ");
if (!token)
return -EINVAL;
if (kstrtou16(token, 0, &tx_wakeup))
return -EINVAL;
token = strsep(&sptr, " ");
if (!token)
return -EINVAL;
if (kstrtou16(token, 0, &num_tx))
return -EINVAL;
ath6kl_wmi_pmparams_cmd(ar->wmi, 0, idle_period, ps_poll_num,
dtim, tx_wakeup, num_tx, 0);
return count;
}
static const struct file_operations fops_power_params = {
.write = ath6kl_power_params_write,
.open = simple_open,
.owner = THIS_MODULE,
.llseek = default_llseek,
};
void ath6kl_debug_init(struct ath6kl *ar)
{
skb_queue_head_init(&ar->debug.fwlog_queue);
init_completion(&ar->debug.fwlog_completion);
/*
* Actually we are lying here but don't know how to read the mask
* value from the firmware.
*/
ar->debug.fwlog_mask = 0;
}
/*
* Initialisation needs to happen in two stages as fwlog events can come
* before cfg80211 is initialised, and debugfs depends on cfg80211
* initialisation.
*/
int ath6kl_debug_init_fs(struct ath6kl *ar)
{
ar->debugfs_phy = debugfs_create_dir("ath6kl",
ar->wiphy->debugfsdir);
if (!ar->debugfs_phy)
return -ENOMEM;
debugfs_create_file("tgt_stats", S_IRUSR, ar->debugfs_phy, ar,
&fops_tgt_stats);
if (ar->hif_type == ATH6KL_HIF_TYPE_SDIO)
debugfs_create_file("credit_dist_stats", S_IRUSR,
ar->debugfs_phy, ar,
&fops_credit_dist_stats);
debugfs_create_file("endpoint_stats", S_IRUSR | S_IWUSR,
ar->debugfs_phy, ar, &fops_endpoint_stats);
debugfs_create_file("fwlog", S_IRUSR, ar->debugfs_phy, ar,
&fops_fwlog);
debugfs_create_file("fwlog_block", S_IRUSR, ar->debugfs_phy, ar,
&fops_fwlog_block);
debugfs_create_file("fwlog_mask", S_IRUSR | S_IWUSR, ar->debugfs_phy,
ar, &fops_fwlog_mask);
debugfs_create_file("reg_addr", S_IRUSR | S_IWUSR, ar->debugfs_phy, ar,
&fops_diag_reg_read);
debugfs_create_file("reg_dump", S_IRUSR, ar->debugfs_phy, ar,
&fops_reg_dump);
debugfs_create_file("lrssi_roam_threshold", S_IRUSR | S_IWUSR,
ar->debugfs_phy, ar, &fops_lrssi_roam_threshold);
debugfs_create_file("reg_write", S_IRUSR | S_IWUSR,
ar->debugfs_phy, ar, &fops_diag_reg_write);
debugfs_create_file("war_stats", S_IRUSR, ar->debugfs_phy, ar,
&fops_war_stats);
debugfs_create_file("roam_table", S_IRUSR, ar->debugfs_phy, ar,
&fops_roam_table);
debugfs_create_file("force_roam", S_IWUSR, ar->debugfs_phy, ar,
&fops_force_roam);
debugfs_create_file("roam_mode", S_IWUSR, ar->debugfs_phy, ar,
&fops_roam_mode);
debugfs_create_file("keepalive", S_IRUSR | S_IWUSR, ar->debugfs_phy, ar,
&fops_keepalive);
debugfs_create_file("disconnect_timeout", S_IRUSR | S_IWUSR,
ar->debugfs_phy, ar, &fops_disconnect_timeout);
debugfs_create_file("create_qos", S_IWUSR, ar->debugfs_phy, ar,
&fops_create_qos);
debugfs_create_file("delete_qos", S_IWUSR, ar->debugfs_phy, ar,
&fops_delete_qos);
debugfs_create_file("bgscan_interval", S_IWUSR,
ar->debugfs_phy, ar, &fops_bgscan_int);
debugfs_create_file("listen_interval", S_IRUSR | S_IWUSR,
ar->debugfs_phy, ar, &fops_listen_int);
debugfs_create_file("power_params", S_IWUSR, ar->debugfs_phy, ar,
&fops_power_params);
return 0;
}
void ath6kl_debug_cleanup(struct ath6kl *ar)
{
skb_queue_purge(&ar->debug.fwlog_queue);
complete(&ar->debug.fwlog_completion);
kfree(ar->debug.roam_tbl);
}
#endif
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