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authorAvraham Stern <avraham.stern@intel.com>2023-03-20 12:33:04 +0200
committerJohannes Berg <johannes.berg@intel.com>2023-03-22 13:16:35 +0100
commitc7eca79def44f1faf024d8442044287bef749818 (patch)
treef66e4e9c610a2a0a7bee8d865416a3b5a52410d8 /drivers/net/wireless/intel/iwlwifi/mvm/ops.c
parentwifi: iwlwifi: mvm: read synced time from firmware if supported (diff)
downloadwireguard-linux-c7eca79def44f1faf024d8442044287bef749818.tar.xz
wireguard-linux-c7eca79def44f1faf024d8442044287bef749818.zip
wifi: iwlwifi: mvm: report hardware timestamps in RX/TX status
For TM/FTM frames, report the hardware timestamps reported by the fw as part of the RX/TX status. Since the fw reports the timestamps in a dedicated notification (and not as part of the RX/TX status), hold the frame until the fw timestamps notification is received. Timestamping is enabled when a station is connected and disabled when disconnected. For AP interface, only the first station will have timestamping enabled since the fw only supports timestamping for one peer. Signed-off-by: Avraham Stern <avraham.stern@intel.com> Signed-off-by: Gregory Greenman <gregory.greenman@intel.com> Link: https://lore.kernel.org/r/20230320122330.e0392d498101.I9bf12c8ecfb3f17253a13dc48a48647ddd6e7855@changeid Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Diffstat (limited to 'drivers/net/wireless/intel/iwlwifi/mvm/ops.c')
-rw-r--r--drivers/net/wireless/intel/iwlwifi/mvm/ops.c14
1 files changed, 14 insertions, 0 deletions
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/ops.c b/drivers/net/wireless/intel/iwlwifi/mvm/ops.c
index e7def1a0f767..70926bb1df6c 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/ops.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/ops.c
@@ -29,6 +29,7 @@
#include "fw-api.h"
#include "fw/acpi.h"
#include "fw/uefi.h"
+#include "time-sync.h"
#define DRV_DESCRIPTION "The new Intel(R) wireless AGN driver for Linux"
MODULE_DESCRIPTION(DRV_DESCRIPTION);
@@ -404,6 +405,15 @@ static const struct iwl_rx_handlers iwl_mvm_rx_handlers[] = {
RX_HANDLER_GRP(SYSTEM_GROUP, RFI_DEACTIVATE_NOTIF,
iwl_rfi_deactivate_notif_handler, RX_HANDLER_ASYNC_UNLOCKED,
struct iwl_rfi_deactivate_notif),
+
+ RX_HANDLER_GRP(LEGACY_GROUP,
+ WNM_80211V_TIMING_MEASUREMENT_NOTIFICATION,
+ iwl_mvm_time_sync_msmt_event, RX_HANDLER_SYNC,
+ struct iwl_time_msmt_notify),
+ RX_HANDLER_GRP(LEGACY_GROUP,
+ WNM_80211V_TIMING_MEASUREMENT_CONFIRM_NOTIFICATION,
+ iwl_mvm_time_sync_msmt_confirm_event, RX_HANDLER_SYNC,
+ struct iwl_time_msmt_cfm_notify),
};
#undef RX_HANDLER
#undef RX_HANDLER_GRP
@@ -449,6 +459,8 @@ static const struct iwl_hcmd_names iwl_mvm_legacy_names[] = {
HCMD_NAME(SCAN_OFFLOAD_PROFILES_QUERY_CMD),
HCMD_NAME(BT_COEX_UPDATE_REDUCED_TXP),
HCMD_NAME(BT_COEX_CI),
+ HCMD_NAME(WNM_80211V_TIMING_MEASUREMENT_CONFIRM_NOTIFICATION),
+ HCMD_NAME(WNM_80211V_TIMING_MEASUREMENT_NOTIFICATION),
HCMD_NAME(PHY_CONFIGURATION_CMD),
HCMD_NAME(CALIB_RES_NOTIF_PHY_DB),
HCMD_NAME(PHY_DB_CMD),
@@ -1338,6 +1350,8 @@ iwl_op_mode_mvm_start(struct iwl_trans *trans, const struct iwl_cfg *cfg,
else
memset(&mvm->rx_stats, 0, sizeof(struct mvm_statistics_rx));
+ iwl_mvm_init_time_sync(&mvm->time_sync);
+
mvm->debugfs_dir = dbgfs_dir;
mvm->mei_registered = !iwl_mei_register(mvm, &mei_ops);