wifi: iwlwifi: mvm: add an option to use ptp clock for rx timestamp
Add a debugfs option to use the ptp clock time for rx device
timestamps. This can be useful to e.g. synchronize multiple NICs or
reporting the timestamp in the system clock instead of gp2.
Signed-off-by: Avraham Stern <avraham.stern@intel.com>
Reviewed-by: Gregory Greenman <gregory.greenman@intel.com>
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://msgid.link/20240527190228.b197b4f3f9ed.I578ee916d5f517a2e3a89e890a8ea24065946427@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/debugfs.c b/drivers/net/wireless/intel/iwlwifi/mvm/debugfs.c
index 96c9382..879640a 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/debugfs.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/debugfs.c
@@ -2441,6 +2441,9 @@ void iwl_mvm_dbgfs_register(struct iwl_mvm *mvm)
debugfs_create_file("mem", 0600, mvm->debugfs_dir, mvm,
&iwl_dbgfs_mem_ops);
+ debugfs_create_bool("rx_ts_ptp", 0600, mvm->debugfs_dir,
+ &mvm->rx_ts_ptp);
+
/*
* Create a symlink with mac80211. It will be removed when mac80211
* exists (before the opmode exists which removes the target.)
