[PATCH 2/4] ath10k: add debugfs entry to enable extended tx stats

[Anilkumar Kolli]

This patch adds debugfs entry to enable/disable extended
tx statistics. Extended tx statistics are from peer stats
feature.

Signed-off-by: Anilkumar Kolli <ako...@codeaurora.org>
---
 drivers/net/wireless/ath/ath10k/core.h  |    1 +
 drivers/net/wireless/ath/ath10k/debug.c |   62 ++++++++++++++++++++++++++++++-
 2 files changed, 62 insertions(+), 1 deletion(-)

diff --git a/drivers/net/wireless/ath/ath10k/core.h 
b/drivers/net/wireless/ath/ath10k/core.h
index 9feea02e7d37..b5f6940bb102 100644
--- a/drivers/net/wireless/ath/ath10k/core.h
+++ b/drivers/net/wireless/ath/ath10k/core.h
@@ -607,6 +607,7 @@ struct ath10k_debug {
        u32 reg_addr;
        u32 nf_cal_period;
        void *cal_data;
+       u32 enable_extd_tx_stats;
 };
 
 enum ath10k_state {
diff --git a/drivers/net/wireless/ath/ath10k/debug.c 
b/drivers/net/wireless/ath/ath10k/debug.c
index 0baaad90b8d1..ada29a4cc9c8 100644
--- a/drivers/net/wireless/ath/ath10k/debug.c
+++ b/drivers/net/wireless/ath/ath10k/debug.c
@@ -2042,6 +2042,61 @@ static ssize_t ath10k_read_btcoex(struct file *file, 
char __user *ubuf,
        .open = simple_open
 };
 
+static ssize_t ath10k_write_enable_extd_tx_stats(struct file *file,
+                                                const char __user *ubuf,
+                                                size_t count, loff_t *ppos)
+{
+       struct ath10k *ar = file->private_data;
+       u32 filter;
+       int ret;
+
+       if (kstrtouint_from_user(ubuf, count, 0, &filter))
+               return -EINVAL;
+
+       mutex_lock(&ar->conf_mutex);
+
+       if (ar->state != ATH10K_STATE_ON) {
+               ar->debug.enable_extd_tx_stats = filter;
+               ret = count;
+               goto out;
+       }
+
+       if (filter == ar->debug.enable_extd_tx_stats) {
+               ret = count;
+               goto out;
+       }
+
+       ar->debug.enable_extd_tx_stats = filter;
+       ret = count;
+
+out:
+       mutex_unlock(&ar->conf_mutex);
+       return ret;
+}
+
+static ssize_t ath10k_read_enable_extd_tx_stats(struct file *file,
+                                               char __user *ubuf,
+                                               size_t count, loff_t *ppos)
+
+{
+       char buf[32];
+       struct ath10k *ar = file->private_data;
+       int len = 0;
+
+       mutex_lock(&ar->conf_mutex);
+       len = scnprintf(buf, sizeof(buf) - len, "%08x\n",
+                       ar->debug.enable_extd_tx_stats);
+       mutex_unlock(&ar->conf_mutex);
+
+       return simple_read_from_buffer(ubuf, count, ppos, buf, len);
+}
+
+static const struct file_operations fops_enable_extd_tx_stats = {
+       .read = ath10k_read_enable_extd_tx_stats,
+       .write = ath10k_write_enable_extd_tx_stats,
+       .open = simple_open
+};
+
 static ssize_t ath10k_write_peer_stats(struct file *file,
                                       const char __user *ubuf,
                                       size_t count, loff_t *ppos)
@@ -2454,10 +2509,15 @@ int ath10k_debug_register(struct ath10k *ar)
                debugfs_create_file("btcoex", 0644, ar->debug.debugfs_phy, ar,
                                    &fops_btcoex);
 
-       if (test_bit(WMI_SERVICE_PEER_STATS, ar->wmi.svc_map))
+       if (test_bit(WMI_SERVICE_PEER_STATS, ar->wmi.svc_map)) {
                debugfs_create_file("peer_stats", 0644, ar->debug.debugfs_phy, 
ar,
                                    &fops_peer_stats);
 
+               debugfs_create_file("enable_extd_tx_stats", 0644,
+                                   ar->debug.debugfs_phy, ar,
+                                   &fops_enable_extd_tx_stats);
+       }
+
        debugfs_create_file("fw_checksums", 0400, ar->debug.debugfs_phy, ar,
                            &fops_fw_checksums);
 
-- 
1.7.9.5


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