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authorEmmanuel Grumbach <emmanuel.grumbach@intel.com>2023-12-07 05:50:10 +0300
committerJohannes Berg <johannes.berg@intel.com>2023-12-12 12:36:59 +0300
commit268712dc3b344f3a835211e5846e6ebfd7a13cbd (patch)
tree0cd6df54aa6778092e4c69ba90297feb962025d5 /drivers/net/wireless/intel/iwlwifi/mvm/debugfs.c
parent1261fefa647fc1a57621b0f12cef9c08e819a5dc (diff)
downloadlinux-268712dc3b344f3a835211e5846e6ebfd7a13cbd.tar.xz
wifi: iwlwifi: mvm: add a debugfs hook to clear the monitor data
This can be used by the user space when it wants to clear the data we collected so far for privacy reasons. Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com> Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com> Link: https://msgid.link/20231207044813.d5e97d5ec0d9.I7a5e836e6109e1fce7e6301dba8d1f28e60a5440@changeid Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Diffstat (limited to 'drivers/net/wireless/intel/iwlwifi/mvm/debugfs.c')
-rw-r--r--drivers/net/wireless/intel/iwlwifi/mvm/debugfs.c16
1 files changed, 16 insertions, 0 deletions
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/debugfs.c b/drivers/net/wireless/intel/iwlwifi/mvm/debugfs.c
index 329c545f65fd..e016fce7ab24 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/debugfs.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/debugfs.c
@@ -1714,6 +1714,20 @@ static ssize_t iwl_dbgfs_fw_dbg_collect_write(struct iwl_mvm *mvm,
return count;
}
+static ssize_t iwl_dbgfs_fw_dbg_clear_write(struct iwl_mvm *mvm,
+ char *buf, size_t count,
+ loff_t *ppos)
+{
+ if (mvm->trans->trans_cfg->device_family < IWL_DEVICE_FAMILY_9000)
+ return -EOPNOTSUPP;
+
+ mutex_lock(&mvm->mutex);
+ iwl_fw_dbg_clear_monitor_buf(&mvm->fwrt);
+ mutex_unlock(&mvm->mutex);
+
+ return count;
+}
+
static ssize_t iwl_dbgfs_dbg_time_point_write(struct iwl_mvm *mvm,
char *buf, size_t count,
loff_t *ppos)
@@ -2166,6 +2180,7 @@ MVM_DEBUGFS_WRITE_FILE_OPS(bt_force_ant, 10);
MVM_DEBUGFS_READ_WRITE_FILE_OPS(scan_ant_rxchain, 8);
MVM_DEBUGFS_READ_WRITE_FILE_OPS(fw_dbg_conf, 8);
MVM_DEBUGFS_WRITE_FILE_OPS(fw_dbg_collect, 64);
+MVM_DEBUGFS_WRITE_FILE_OPS(fw_dbg_clear, 64);
MVM_DEBUGFS_WRITE_FILE_OPS(dbg_time_point, 64);
MVM_DEBUGFS_WRITE_FILE_OPS(indirection_tbl,
(IWL_RSS_INDIRECTION_TABLE_SIZE * 2));
@@ -2372,6 +2387,7 @@ void iwl_mvm_dbgfs_register(struct iwl_mvm *mvm)
MVM_DEBUGFS_ADD_FILE(prph_reg, mvm->debugfs_dir, 0600);
MVM_DEBUGFS_ADD_FILE(fw_dbg_conf, mvm->debugfs_dir, 0600);
MVM_DEBUGFS_ADD_FILE(fw_dbg_collect, mvm->debugfs_dir, 0200);
+ MVM_DEBUGFS_ADD_FILE(fw_dbg_clear, mvm->debugfs_dir, 0200);
MVM_DEBUGFS_ADD_FILE(dbg_time_point, mvm->debugfs_dir, 0200);
MVM_DEBUGFS_ADD_FILE(send_echo_cmd, mvm->debugfs_dir, 0200);
MVM_DEBUGFS_ADD_FILE(indirection_tbl, mvm->debugfs_dir, 0200);