diff options
| author | Avraham Stern <avraham.stern@intel.com> | 2025-05-05 21:56:44 +0300 |
|---|---|---|
| committer | Miri Korenblit <miriam.rachel.korenblit@intel.com> | 2025-05-07 06:08:01 +0300 |
| commit | f1699ad5857ddbf5e6fa979708998e4f07fcdd55 (patch) | |
| tree | 6a1ddb7c7179666d74f01277b0995d5d6ac4c346 | |
| parent | c9d81578958134bb5ecd050474aff776279ba414 (diff) | |
wifi: iwlwifi: mld: add debugfs for using ptp clock time for monitor interface
Add a debugfs option to use the ptp clock time for Rx device
timestamps on a monitor interface. This can be useful for e.g.
synchronizing multiple NICs or reporting the timestamp in the
system clock instead of the GP2.
Signed-off-by: Avraham Stern <avraham.stern@intel.com>
Link: https://patch.msgid.link/20250505215513.fffe6718fbca.I75f034005851a2d0c8ba5b015b9fdcad8a7c550d@changeid
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
| -rw-r--r-- | drivers/net/wireless/intel/iwlwifi/mld/debugfs.c | 3 | ||||
| -rw-r--r-- | drivers/net/wireless/intel/iwlwifi/mld/mld.h | 2 | ||||
| -rw-r--r-- | drivers/net/wireless/intel/iwlwifi/mld/rx.c | 14 |
3 files changed, 18 insertions, 1 deletions
diff --git a/drivers/net/wireless/intel/iwlwifi/mld/debugfs.c b/drivers/net/wireless/intel/iwlwifi/mld/debugfs.c index 89d95e9b4f30..0c896b4dba65 100644 --- a/drivers/net/wireless/intel/iwlwifi/mld/debugfs.c +++ b/drivers/net/wireless/intel/iwlwifi/mld/debugfs.c @@ -546,6 +546,9 @@ iwl_mld_add_debugfs_files(struct iwl_mld *mld, struct dentry *debugfs_dir) #endif MLD_DEBUGFS_ADD_FILE(inject_packet, debugfs_dir, 0200); + debugfs_create_bool("rx_ts_ptp", 0600, debugfs_dir, + &mld->monitor.ptp_time); + /* Create a symlink with mac80211. It will be removed when mac80211 * exits (before the opmode exits which removes the target.) */ diff --git a/drivers/net/wireless/intel/iwlwifi/mld/mld.h b/drivers/net/wireless/intel/iwlwifi/mld/mld.h index 0e4cc90fb6fc..cdbfe77e73f9 100644 --- a/drivers/net/wireless/intel/iwlwifi/mld/mld.h +++ b/drivers/net/wireless/intel/iwlwifi/mld/mld.h @@ -116,6 +116,7 @@ * @monitor.ampdu_toggle: the state of the previous packet to track A-MPDU * @monitor.cur_aid: current association id tracked by the sniffer * @monitor.cur_bssid: current bssid tracked by the sniffer + * @monitor.ptp_time: set the Rx mactime using the device's PTP clock time * @monitor.p80: primary channel position relative to he whole bandwidth, in * steps of 80 MHz * @fw_id_to_link_sta: maps a fw id of a sta to the corresponding @@ -201,6 +202,7 @@ struct iwl_mld { #ifdef CONFIG_IWLWIFI_DEBUGFS __le16 cur_aid; u8 cur_bssid[ETH_ALEN]; + bool ptp_time; #endif } monitor; #ifdef CONFIG_PM_SLEEP diff --git a/drivers/net/wireless/intel/iwlwifi/mld/rx.c b/drivers/net/wireless/intel/iwlwifi/mld/rx.c index d95603e6ac78..a27cdb77e446 100644 --- a/drivers/net/wireless/intel/iwlwifi/mld/rx.c +++ b/drivers/net/wireless/intel/iwlwifi/mld/rx.c @@ -1213,8 +1213,20 @@ static void iwl_mld_rx_fill_status(struct iwl_mld *mld, struct sk_buff *skb, iwl_mld_rx_eht(mld, skb, phy_data, queue); #ifdef CONFIG_IWLWIFI_DEBUGFS - if (unlikely(mld->monitor.on)) + if (unlikely(mld->monitor.on)) { iwl_mld_add_rtap_sniffer_config(mld, skb); + + if (mld->monitor.ptp_time) { + u64 adj_time = + iwl_mld_ptp_get_adj_time(mld, + phy_data->gp2_on_air_rise * + NSEC_PER_USEC); + + rx_status->mactime = div64_u64(adj_time, NSEC_PER_USEC); + rx_status->flag |= RX_FLAG_MACTIME_IS_RTAP_TS64; + rx_status->flag &= ~RX_FLAG_MACTIME; + } + } #endif if (format != RATE_MCS_MOD_TYPE_CCK && is_sgi) |