mirror of
https://github.com/Telecominfraproject/wlan-ap.git
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106 lines
3.0 KiB
Diff
106 lines
3.0 KiB
Diff
From 804e9b7fb356ead474a64f036ac227fef6ad8bbc Mon Sep 17 00:00:00 2001
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From: Pradeep Kumar Chitrapu <pradeepc@codeaurora.org>
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Date: Thu, 21 Jan 2021 11:53:43 -0800
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Subject: [PATCH] ath11k: add debugfs to disable dynamic bandwidth operation
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Bydefault dynamic bandwidth operation is enabled. Setting this debugfs
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to 1 disables it.
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Signed-off-by: Pradeep Kumar Chitrapu <pradeepc@codeaurora.org>
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---
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drivers/net/wireless/ath/ath11k/core.h | 1 +
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drivers/net/wireless/ath/ath11k/debugfs.c | 65 +++++++++++++++++++++++++
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2 files changed, 66 insertions(+)
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--- a/drivers/net/wireless/ath/ath11k/core.h
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+++ b/drivers/net/wireless/ath/ath11k/core.h
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@@ -524,6 +524,7 @@ struct ath11k_debug {
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struct completion wmi_ctrl_path_stats_rcvd;
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u32 wmi_ctrl_path_stats_tagid;
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struct ath11k_db_module_debug *module_debug[WMI_DIRECT_BUF_MAX];
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+ bool disable_dynamic_bw;
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};
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struct ath11k_per_peer_tx_stats {
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--- a/drivers/net/wireless/ath/ath11k/debugfs.c
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+++ b/drivers/net/wireless/ath/ath11k/debugfs.c
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@@ -3478,6 +3478,68 @@ static const struct file_operations fops
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.llseek = default_llseek,
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};
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+static ssize_t ath11k_write_disable_dynamic_bw(struct file *file,
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+ const char __user *ubuf,
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+ size_t count, loff_t *ppos)
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+{
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+ struct ath11k *ar = file->private_data;
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+ u32 filter;
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+ int ret;
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+
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+ if (kstrtouint_from_user(ubuf, count, 0, &filter))
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+ return -EINVAL;
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+
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+ mutex_lock(&ar->conf_mutex);
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+
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+ if (ar->state != ATH11K_STATE_ON) {
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+ ret = -ENETDOWN;
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+ goto out;
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+ }
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+
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+ if (filter == ar->debug.disable_dynamic_bw) {
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+ ret = count;
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+ goto out;
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+ }
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+
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+ ret = ath11k_wmi_pdev_set_param(ar, WMI_PDEV_PARAM_DYNAMIC_BW, !filter,
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+ ar->pdev->pdev_id);
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+ if (ret) {
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+ ath11k_err(ar->ab, "failed to %s dynamic bw: %d\n",
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+ filter ? "disable" : "enable", ret);
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+ goto out;
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+ }
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+
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+ ar->debug.disable_dynamic_bw = filter;
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+ ret = count;
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+
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+out:
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+ mutex_unlock(&ar->conf_mutex);
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+ return ret;
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+}
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+
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+static ssize_t ath11k_read_disable_dynamic_bw(struct file *file,
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+ char __user *ubuf,
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+ size_t count, loff_t *ppos)
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+
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+{
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+ char buf[32] = {0};
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+ struct ath11k *ar = file->private_data;
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+ int len = 0;
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+
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+ mutex_lock(&ar->conf_mutex);
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+ len = scnprintf(buf, sizeof(buf) - len, "%08x\n",
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+ ar->debug.disable_dynamic_bw);
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+ mutex_unlock(&ar->conf_mutex);
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+
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+ return simple_read_from_buffer(ubuf, count, ppos, buf, len);
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+}
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+
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+static const struct file_operations fops_disable_dyn_bw = {
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+ .read = ath11k_read_disable_dynamic_bw,
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+ .write = ath11k_write_disable_dynamic_bw,
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+ .open = simple_open
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+};
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+
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int ath11k_debugfs_register(struct ath11k *ar)
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{
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struct ath11k_base *ab = ar->ab;
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@@ -3527,6 +3589,9 @@ int ath11k_debugfs_register(struct ath11
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debugfs_create_file("dump_mgmt_stats", 0644,
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ar->debug.debugfs_pdev, ar,
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&fops_dump_mgmt_stats);
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+ debugfs_create_file("disable_dynamic_bw", 0644,
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+ ar->debug.debugfs_pdev, ar,
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+ &fops_disable_dyn_bw);
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debugfs_create_file("ps_state_enable", 0600, ar->debug.debugfs_pdev, ar,
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&fops_ps_state_enable);
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