* [PATCH] wifi: nxpwifi: add debugfs file to mimic radar detection
@ 2024-10-09 6:09 David Lin
2024-10-09 6:24 ` David Lin
0 siblings, 1 reply; 2+ messages in thread
From: David Lin @ 2024-10-09 6:09 UTC (permalink / raw)
To: linux-wireless
Cc: linux-kernel, briannorris, kvalo, francesco, tsung-hsien.hsieh,
s.hauer, David Lin
Debugfs file "fake_radar_detect" is created to mimic radar
detection. Echo 1 to this file will generate radar event
to cfg80211, which can be used to test AP DFS mode without
real radar detection from firmware.
Signed-off-by: David Lin <yu-hao.lin@nxp.com>
---
.../net/wireless/marvell/mwifiex/debugfs.c | 43 +++++++++++++++++++
1 file changed, 43 insertions(+)
diff --git a/drivers/net/wireless/marvell/mwifiex/debugfs.c b/drivers/net/wireless/marvell/mwifiex/debugfs.c
index 9deaf59dcb62..cf9604661aed 100644
--- a/drivers/net/wireless/marvell/mwifiex/debugfs.c
+++ b/drivers/net/wireless/marvell/mwifiex/debugfs.c
@@ -909,6 +909,47 @@ mwifiex_reset_write(struct file *file,
return count;
}
+static ssize_t
+mwifiex_fake_radar_detect_write(struct file *file,
+ const char __user *ubuf,
+ size_t count, loff_t *ppos)
+{
+ struct mwifiex_private *priv = file->private_data;
+ struct mwifiex_adapter *adapter = priv->adapter;
+ bool result;
+ int rc;
+
+ rc = kstrtobool_from_user(ubuf, count, &result);
+ if (rc)
+ return rc;
+
+ if (!result)
+ return -EINVAL;
+
+ if (priv->wdev.links[0].cac_started) {
+ mwifiex_dbg(adapter, MSG,
+ "Generate fake radar detected during CAC\n");
+ if (mwifiex_stop_radar_detection(priv, &priv->dfs_chandef))
+ mwifiex_dbg(adapter, ERROR,
+ "Failed to stop CAC in FW\n");
+ cancel_delayed_work_sync(&priv->dfs_cac_work);
+ cfg80211_cac_event(priv->netdev, &priv->dfs_chandef,
+ NL80211_RADAR_CAC_ABORTED, GFP_KERNEL, 0);
+ cfg80211_radar_event(adapter->wiphy, &priv->dfs_chandef,
+ GFP_KERNEL);
+ } else {
+ if (priv->bss_chandef.chan->dfs_cac_ms) {
+ mwifiex_dbg(adapter, MSG,
+ "Generate fake radar detected\n");
+ cfg80211_radar_event(adapter->wiphy,
+ &priv->dfs_chandef,
+ GFP_KERNEL);
+ }
+ }
+
+ return count;
+}
+
#define MWIFIEX_DFS_ADD_FILE(name) do { \
debugfs_create_file(#name, 0644, priv->dfs_dev_dir, priv, \
&mwifiex_dfs_##name##_fops); \
@@ -945,6 +986,7 @@ MWIFIEX_DFS_FILE_OPS(histogram);
MWIFIEX_DFS_FILE_OPS(debug_mask);
MWIFIEX_DFS_FILE_OPS(timeshare_coex);
MWIFIEX_DFS_FILE_WRITE_OPS(reset);
+MWIFIEX_DFS_FILE_WRITE_OPS(fake_radar_detect);
MWIFIEX_DFS_FILE_OPS(verext);
/*
@@ -971,6 +1013,7 @@ mwifiex_dev_debugfs_init(struct mwifiex_private *priv)
MWIFIEX_DFS_ADD_FILE(debug_mask);
MWIFIEX_DFS_ADD_FILE(timeshare_coex);
MWIFIEX_DFS_ADD_FILE(reset);
+ MWIFIEX_DFS_ADD_FILE(fake_radar_detect);
MWIFIEX_DFS_ADD_FILE(verext);
}
base-commit: 5a4d42c1688c88f3be6aef46b0ea6c32694cd2b8
prerequisite-patch-id: ababe4f5cc6f52d23552f4ada6efb26655f247e3
--
2.34.1
^ permalink raw reply [flat|nested] 2+ messages in thread
* RE: [PATCH] wifi: nxpwifi: add debugfs file to mimic radar detection
2024-10-09 6:09 [PATCH] wifi: nxpwifi: add debugfs file to mimic radar detection David Lin
@ 2024-10-09 6:24 ` David Lin
0 siblings, 0 replies; 2+ messages in thread
From: David Lin @ 2024-10-09 6:24 UTC (permalink / raw)
To: linux-wireless
Cc: linux-kernel, briannorris, kvalo, francesco, Pete Hsieh, s.hauer
Sorry. It should be "wifi: mwifiex: ...". I will submit correct one later.
> From: David Lin <yu-hao.lin@nxp.com>
> Sent: Wednesday, October 9, 2024 2:10 PM
> To: linux-wireless@vger.kernel.org
> Cc: linux-kernel@vger.kernel.org; briannorris@chromium.org;
> kvalo@kernel.org; francesco@dolcini.it; Pete Hsieh
> <tsung-hsien.hsieh@nxp.com>; s.hauer@pengutronix.de; David Lin
> <yu-hao.lin@nxp.com>
> Subject: [PATCH] wifi: nxpwifi: add debugfs file to mimic radar detection
>
> Debugfs file "fake_radar_detect" is created to mimic radar detection. Echo 1
> to this file will generate radar event to cfg80211, which can be used to test AP
> DFS mode without real radar detection from firmware.
>
> Signed-off-by: David Lin <yu-hao.lin@nxp.com>
> ---
> .../net/wireless/marvell/mwifiex/debugfs.c | 43 +++++++++++++++++++
> 1 file changed, 43 insertions(+)
>
> diff --git a/drivers/net/wireless/marvell/mwifiex/debugfs.c
> b/drivers/net/wireless/marvell/mwifiex/debugfs.c
> index 9deaf59dcb62..cf9604661aed 100644
> --- a/drivers/net/wireless/marvell/mwifiex/debugfs.c
> +++ b/drivers/net/wireless/marvell/mwifiex/debugfs.c
> @@ -909,6 +909,47 @@ mwifiex_reset_write(struct file *file,
> return count;
> }
>
> +static ssize_t
> +mwifiex_fake_radar_detect_write(struct file *file,
> + const char __user *ubuf,
> + size_t count, loff_t *ppos)
> +{
> + struct mwifiex_private *priv = file->private_data;
> + struct mwifiex_adapter *adapter = priv->adapter;
> + bool result;
> + int rc;
> +
> + rc = kstrtobool_from_user(ubuf, count, &result);
> + if (rc)
> + return rc;
> +
> + if (!result)
> + return -EINVAL;
> +
> + if (priv->wdev.links[0].cac_started) {
> + mwifiex_dbg(adapter, MSG,
> + "Generate fake radar detected during CAC\n");
> + if (mwifiex_stop_radar_detection(priv, &priv->dfs_chandef))
> + mwifiex_dbg(adapter, ERROR,
> + "Failed to stop CAC in FW\n");
> + cancel_delayed_work_sync(&priv->dfs_cac_work);
> + cfg80211_cac_event(priv->netdev, &priv->dfs_chandef,
> + NL80211_RADAR_CAC_ABORTED, GFP_KERNEL, 0);
> + cfg80211_radar_event(adapter->wiphy, &priv->dfs_chandef,
> + GFP_KERNEL);
> + } else {
> + if (priv->bss_chandef.chan->dfs_cac_ms) {
> + mwifiex_dbg(adapter, MSG,
> + "Generate fake radar detected\n");
> + cfg80211_radar_event(adapter->wiphy,
> + &priv->dfs_chandef,
> + GFP_KERNEL);
> + }
> + }
> +
> + return count;
> +}
> +
> #define MWIFIEX_DFS_ADD_FILE(name) do
> { \
> debugfs_create_file(#name, 0644, priv->dfs_dev_dir, priv, \
> &mwifiex_dfs_##name##_fops); \
> @@ -945,6 +986,7 @@ MWIFIEX_DFS_FILE_OPS(histogram);
> MWIFIEX_DFS_FILE_OPS(debug_mask);
> MWIFIEX_DFS_FILE_OPS(timeshare_coex);
> MWIFIEX_DFS_FILE_WRITE_OPS(reset);
> +MWIFIEX_DFS_FILE_WRITE_OPS(fake_radar_detect);
> MWIFIEX_DFS_FILE_OPS(verext);
>
> /*
> @@ -971,6 +1013,7 @@ mwifiex_dev_debugfs_init(struct mwifiex_private
> *priv)
> MWIFIEX_DFS_ADD_FILE(debug_mask);
> MWIFIEX_DFS_ADD_FILE(timeshare_coex);
> MWIFIEX_DFS_ADD_FILE(reset);
> + MWIFIEX_DFS_ADD_FILE(fake_radar_detect);
> MWIFIEX_DFS_ADD_FILE(verext);
> }
>
>
> base-commit: 5a4d42c1688c88f3be6aef46b0ea6c32694cd2b8
> prerequisite-patch-id: ababe4f5cc6f52d23552f4ada6efb26655f247e3
> --
> 2.34.1
^ permalink raw reply [flat|nested] 2+ messages in thread
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