Reset HTT stats helps to get the aggregated HTT stats via
tracing and also we can clear the accumulated HTT stats with
this debugfs file.
Signed-off-by: Maharaja Kennadyrajan <mkenna@xxxxxxxxxxxxxx>
---
drivers/net/wireless/ath/ath10k/core.h | 1 +
drivers/net/wireless/ath/ath10k/debug.c | 43 +++++++++++++++++++++++-
drivers/net/wireless/ath/ath10k/htt.h | 3 +-
drivers/net/wireless/ath/ath10k/htt_tx.c | 5 +--
4 files changed, 48 insertions(+), 4 deletions(-)
diff --git a/drivers/net/wireless/ath/ath10k/core.h b/drivers/net/wireless/ath/ath10k/core.h
index 27ec5557de88..317a41c2a9b1 100644
--- a/drivers/net/wireless/ath/ath10k/core.h
+++ b/drivers/net/wireless/ath/ath10k/core.h
@@ -614,6 +614,7 @@ struct ath10k_debug {
bool fw_stats_done;
unsigned long htt_stats_mask;
+ unsigned long reset_htt_stats;
struct delayed_work htt_stats_dwork;
struct ath10k_dfs_stats dfs_stats;
struct ath_dfs_pool_stats dfs_pool_stats;
diff --git a/drivers/net/wireless/ath/ath10k/debug.c b/drivers/net/wireless/ath/ath10k/debug.c
index ca1af0e1623c..daf30eaa53c5 100644
--- a/drivers/net/wireless/ath/ath10k/debug.c
+++ b/drivers/net/wireless/ath/ath10k/debug.c
@@ -873,7 +873,7 @@ static int ath10k_debug_htt_stats_req(struct ath10k *ar)
cookie = get_jiffies_64();
ret = ath10k_htt_h2t_stats_req(&ar->htt, ar->debug.htt_stats_mask,
- cookie);
+ ar->debug.reset_htt_stats, cookie);
if (ret) {
ath10k_warn(ar, "failed to send htt stats request: %d\n", ret);
return ret;
@@ -2466,6 +2466,44 @@ static const struct file_operations fops_ps_state_enable = {
.llseek = default_llseek,
};
+static ssize_t ath10k_write_reset_htt_stats(struct file *file,
+ const char __user *user_buf,
+ size_t count, loff_t *ppos)
+{
+ struct ath10k *ar = file->private_data;
+ unsigned long reset;
+ int ret;
+
+ ret = kstrtoul_from_user(user_buf, count, 0, &reset);
+ if (ret)
+ return ret;
+
+ if (reset == 0 || reset > 0x1ffff)
+ return -EINVAL;
+
+ mutex_lock(&ar->conf_mutex);
+
+ ar->debug.reset_htt_stats = reset;
+
+ ret = ath10k_debug_htt_stats_req(ar);
+ if (ret)
+ goto out;
+
+ ar->debug.reset_htt_stats = 0;
+ ret = count;
+
+out:
+ mutex_unlock(&ar->conf_mutex);
+ return ret;
+}
+
+static const struct file_operations fops_reset_htt_stats = {
+ .write = ath10k_write_reset_htt_stats,
+ .owner = THIS_MODULE,
+ .open = simple_open,
+ .llseek = default_llseek,
+};
+
int ath10k_debug_create(struct ath10k *ar)
{
ar->debug.cal_data = vzalloc(ATH10K_DEBUG_CAL_DATA_LEN);
@@ -2606,6 +2644,9 @@ int ath10k_debug_register(struct ath10k *ar)
debugfs_create_file("ps_state_enable", 0600, ar->debug.debugfs_phy, ar,
&fops_ps_state_enable);
+ debugfs_create_file("reset_htt_stats", 0200, ar->debug.debugfs_phy, ar,
+ &fops_reset_htt_stats);
+
return 0;
}
diff --git a/drivers/net/wireless/ath/ath10k/htt.h b/drivers/net/wireless/ath/ath10k/htt.h
index 8ff432bb2e86..b909f2f079c7 100644
--- a/drivers/net/wireless/ath/ath10k/htt.h
+++ b/drivers/net/wireless/ath/ath10k/htt.h
@@ -2110,7 +2110,8 @@ void ath10k_htt_htc_tx_complete(struct ath10k *ar, struct sk_buff *skb);
void ath10k_htt_htc_t2h_msg_handler(struct ath10k *ar, struct sk_buff *skb);
bool ath10k_htt_t2h_msg_handler(struct ath10k *ar, struct sk_buff *skb);
int ath10k_htt_h2t_ver_req_msg(struct ath10k_htt *htt);
-int ath10k_htt_h2t_stats_req(struct ath10k_htt *htt, u32 mask, u64 cookie);
+int ath10k_htt_h2t_stats_req(struct ath10k_htt *htt, u32 mask, u32 reset_mask,
+ u64 cookie);
int ath10k_htt_h2t_aggr_cfg_msg(struct ath10k_htt *htt,
u8 max_subfrms_ampdu,
u8 max_subfrms_amsdu);
diff --git a/drivers/net/wireless/ath/ath10k/htt_tx.c b/drivers/net/wireless/ath/ath10k/htt_tx.c
index 7e5f0eba043b..524bd8b44580 100644
--- a/drivers/net/wireless/ath/ath10k/htt_tx.c
+++ b/drivers/net/wireless/ath/ath10k/htt_tx.c
@@ -580,7 +580,8 @@ int ath10k_htt_h2t_ver_req_msg(struct ath10k_htt *htt)
return 0;
}
-int ath10k_htt_h2t_stats_req(struct ath10k_htt *htt, u32 mask, u64 cookie)
+int ath10k_htt_h2t_stats_req(struct ath10k_htt *htt, u32 mask, u32 reset_mask,
+ u64 cookie)
{
struct ath10k *ar = htt->ar;
struct htt_stats_req *req;
@@ -607,7 +608,7 @@ int ath10k_htt_h2t_stats_req(struct ath10k_htt *htt, u32 mask, u64 cookie)
* about endian support
*/
memcpy(req->upload_types, &mask, 3);
- memcpy(req->reset_types, &mask, 3);
+ memcpy(req->reset_types, &reset_mask, 3);
req->stat_type = HTT_STATS_REQ_CFG_STAT_TYPE_INVALID;
req->cookie_lsb = cpu_to_le32(cookie & 0xffffffff);
req->cookie_msb = cpu_to_le32((cookie & 0xffffffff00000000ULL) >> 32);
--
2.20.1
