[PATCH] ath10k: add log level configuration for fw_dbglog
SenthilKumar Jegadeesan
sjegadee at qti.qualcomm.com
Wed Jan 28 03:02:21 PST 2015
Introduce optional log level configuration for
existing debugfs fw_dbglog.
It allow users to configure desired log level
for firmware debugs.
To configure log level as WARN
echo 0xffffffff 2 > /sys/kernel/debug/ieee80211/phy0/ath10k/fw_dbglog
Loglevel Value
VERBOSE 0
INFO 1
WARN 2
ERR 3
Signed-off-by: SenthilKumar Jegadeesan <sjegadee at qti.qualcomm.com>
---
drivers/net/wireless/ath/ath10k/core.h | 1 +
drivers/net/wireless/ath/ath10k/debug.c | 30 +++++++++++++++++++++---------
drivers/net/wireless/ath/ath10k/wmi-ops.h | 7 ++++---
drivers/net/wireless/ath/ath10k/wmi-tlv.c | 4 ++--
drivers/net/wireless/ath/ath10k/wmi.c | 5 +++--
5 files changed, 31 insertions(+), 16 deletions(-)
diff --git a/drivers/net/wireless/ath/ath10k/core.h b/drivers/net/wireless/ath/ath10k/core.h
index 2d9f871..b4aecbd 100644
--- a/drivers/net/wireless/ath/ath10k/core.h
+++ b/drivers/net/wireless/ath/ath10k/core.h
@@ -345,6 +345,7 @@ struct ath10k_debug {
/* protected by conf_mutex */
u32 fw_dbglog_mask;
+ u32 fw_dbglog_level;
u32 pktlog_filter;
u32 reg_addr;
u32 nf_cal_period;
diff --git a/drivers/net/wireless/ath/ath10k/debug.c b/drivers/net/wireless/ath/ath10k/debug.c
index 42b2e49..b77c51a 100644
--- a/drivers/net/wireless/ath/ath10k/debug.c
+++ b/drivers/net/wireless/ath/ath10k/debug.c
@@ -1318,10 +1318,10 @@ static ssize_t ath10k_read_fw_dbglog(struct file *file,
{
struct ath10k *ar = file->private_data;
unsigned int len;
- char buf[32];
+ char buf[64];
- len = scnprintf(buf, sizeof(buf), "0x%08x\n",
- ar->debug.fw_dbglog_mask);
+ len = scnprintf(buf, sizeof(buf), "0x%08x %u\n",
+ ar->debug.fw_dbglog_mask, ar->debug.fw_dbglog_level);
return simple_read_from_buffer(user_buf, count, ppos, buf, len);
}
@@ -1331,19 +1331,30 @@ static ssize_t ath10k_write_fw_dbglog(struct file *file,
size_t count, loff_t *ppos)
{
struct ath10k *ar = file->private_data;
- unsigned long mask;
int ret;
+ char buf[64];
+ unsigned int log_level, mask;
- ret = kstrtoul_from_user(user_buf, count, 0, &mask);
- if (ret)
- return ret;
+ simple_write_to_buffer(buf, sizeof(buf) - 1, ppos, user_buf, count);
+
+ /* make sure that buf is null terminated */
+ buf[sizeof(buf) - 1] = 0;
+
+ ret = sscanf(buf, "%x %u", &mask, &log_level);
+
+ if (!ret)
+ return -EINVAL;
mutex_lock(&ar->conf_mutex);
ar->debug.fw_dbglog_mask = mask;
+ ar->debug.fw_dbglog_level = (ret == 1) ? ATH10K_DBGLOG_LEVEL_WARN :
+ log_level;
+
if (ar->state == ATH10K_STATE_ON) {
- ret = ath10k_wmi_dbglog_cfg(ar, ar->debug.fw_dbglog_mask);
+ ret = ath10k_wmi_dbglog_cfg(ar, ar->debug.fw_dbglog_mask,
+ ar->debug.fw_dbglog_level);
if (ret) {
ath10k_warn(ar, "dbglog cfg failed from debugfs: %d\n",
ret);
@@ -1685,7 +1696,8 @@ int ath10k_debug_start(struct ath10k *ar)
ret);
if (ar->debug.fw_dbglog_mask) {
- ret = ath10k_wmi_dbglog_cfg(ar, ar->debug.fw_dbglog_mask);
+ ret = ath10k_wmi_dbglog_cfg(ar, ar->debug.fw_dbglog_mask,
+ ATH10K_DBGLOG_LEVEL_WARN);
if (ret)
/* not serious */
ath10k_warn(ar, "failed to enable dbglog during start: %d",
diff --git a/drivers/net/wireless/ath/ath10k/wmi-ops.h b/drivers/net/wireless/ath/ath10k/wmi-ops.h
index 80bd28a..4517993 100644
--- a/drivers/net/wireless/ath/ath10k/wmi-ops.h
+++ b/drivers/net/wireless/ath/ath10k/wmi-ops.h
@@ -111,7 +111,8 @@ struct wmi_ops {
enum wmi_force_fw_hang_type type,
u32 delay_ms);
struct sk_buff *(*gen_mgmt_tx)(struct ath10k *ar, struct sk_buff *skb);
- struct sk_buff *(*gen_dbglog_cfg)(struct ath10k *ar, u32 module_enable);
+ struct sk_buff *(*gen_dbglog_cfg)(struct ath10k *ar, u32 module_enable,
+ u32 log_level);
struct sk_buff *(*gen_pktlog_enable)(struct ath10k *ar, u32 filter);
struct sk_buff *(*gen_pktlog_disable)(struct ath10k *ar);
struct sk_buff *(*gen_pdev_set_quiet_mode)(struct ath10k *ar,
@@ -821,14 +822,14 @@ ath10k_wmi_force_fw_hang(struct ath10k *ar,
}
static inline int
-ath10k_wmi_dbglog_cfg(struct ath10k *ar, u32 module_enable)
+ath10k_wmi_dbglog_cfg(struct ath10k *ar, u32 module_enable, u32 log_level)
{
struct sk_buff *skb;
if (!ar->wmi.ops->gen_dbglog_cfg)
return -EOPNOTSUPP;
- skb = ar->wmi.ops->gen_dbglog_cfg(ar, module_enable);
+ skb = ar->wmi.ops->gen_dbglog_cfg(ar, module_enable, log_level);
if (IS_ERR(skb))
return PTR_ERR(skb);
diff --git a/drivers/net/wireless/ath/ath10k/wmi-tlv.c b/drivers/net/wireless/ath/ath10k/wmi-tlv.c
index d3cf91dc..d3d5aea 100644
--- a/drivers/net/wireless/ath/ath10k/wmi-tlv.c
+++ b/drivers/net/wireless/ath/ath10k/wmi-tlv.c
@@ -2044,8 +2044,8 @@ ath10k_wmi_tlv_op_gen_force_fw_hang(struct ath10k *ar,
}
static struct sk_buff *
-ath10k_wmi_tlv_op_gen_dbglog_cfg(struct ath10k *ar, u32 module_enable)
-{
+ath10k_wmi_tlv_op_gen_dbglog_cfg(struct ath10k *ar, u32 module_enable,
+ u32 log_level) {
struct wmi_tlv_dbglog_cmd *cmd;
struct wmi_tlv *tlv;
struct sk_buff *skb;
diff --git a/drivers/net/wireless/ath/ath10k/wmi.c b/drivers/net/wireless/ath/ath10k/wmi.c
index d340361..2fa68ad 100644
--- a/drivers/net/wireless/ath/ath10k/wmi.c
+++ b/drivers/net/wireless/ath/ath10k/wmi.c
@@ -4960,7 +4960,8 @@ ath10k_wmi_op_gen_force_fw_hang(struct ath10k *ar,
}
static struct sk_buff *
-ath10k_wmi_op_gen_dbglog_cfg(struct ath10k *ar, u32 module_enable)
+ath10k_wmi_op_gen_dbglog_cfg(struct ath10k *ar, u32 module_enable,
+ u32 log_level)
{
struct wmi_dbglog_cfg_cmd *cmd;
struct sk_buff *skb;
@@ -4973,7 +4974,7 @@ ath10k_wmi_op_gen_dbglog_cfg(struct ath10k *ar, u32 module_enable)
cmd = (struct wmi_dbglog_cfg_cmd *)skb->data;
if (module_enable) {
- cfg = SM(ATH10K_DBGLOG_LEVEL_VERBOSE,
+ cfg = SM(log_level,
ATH10K_DBGLOG_CFG_LOG_LVL);
} else {
/* set back defaults, all modules with WARN level */
--
1.9.1
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