Commit 8e33f046 authored by Krishnanand Prabhu's avatar Krishnanand Prabhu Committed by Johannes Berg
Browse files

wifi: iwlwifi: mvm: add support for timing measurement 



Add support for timing measurement in extended capabilities, used for
time synchronization.

Signed-off-by: default avatarKrishnanand Prabhu <krishnanand.prabhu@intel.com>
Signed-off-by: default avatarGregory Greenman <gregory.greenman@intel.com>
Link: https://lore.kernel.org/r/20230320122330.001d2b459ece.I15ab8fc214edc35f1f362006a9e1a22b89e7ed8e@changeid


Signed-off-by: default avatarJohannes Berg <johannes.berg@intel.com>
parent c7eca79d

drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c

+41 −3
Original line number Diff line number Diff line
@@ -222,19 +222,39 @@ int iwl_mvm_init_fw_regd(struct iwl_mvm *mvm) 
	return ret;

}



/* Each capability added here should also be add to tm_if_types_ext_capa_sta */

static const u8 he_if_types_ext_capa_sta[] = {

	 [0] = WLAN_EXT_CAPA1_EXT_CHANNEL_SWITCHING,

	 [2] = WLAN_EXT_CAPA3_MULTI_BSSID_SUPPORT,

	 [7] = WLAN_EXT_CAPA8_OPMODE_NOTIF,

};



static const struct wiphy_iftype_ext_capab he_iftypes_ext_capa[] = {

static const u8 tm_if_types_ext_capa_sta[] = {

	 [0] = WLAN_EXT_CAPA1_EXT_CHANNEL_SWITCHING,

	 [2] = WLAN_EXT_CAPA3_MULTI_BSSID_SUPPORT |

	       WLAN_EXT_CAPA3_TIMING_MEASUREMENT_SUPPORT,

	 [7] = WLAN_EXT_CAPA8_OPMODE_NOTIF,

	 [9] = WLAN_EXT_CAPA10_TWT_REQUESTER_SUPPORT,

};



/* Additional interface types for which extended capabilities are

 * specified separately

 */

static const struct wiphy_iftype_ext_capab add_iftypes_ext_capa[] = {

	{

		.iftype = NL80211_IFTYPE_STATION,

		.extended_capabilities = he_if_types_ext_capa_sta,

		.extended_capabilities_mask = he_if_types_ext_capa_sta,

		.extended_capabilities_len = sizeof(he_if_types_ext_capa_sta),

	},

	{

		.iftype = NL80211_IFTYPE_STATION,

		.extended_capabilities = tm_if_types_ext_capa_sta,

		.extended_capabilities_mask = tm_if_types_ext_capa_sta,

		.extended_capabilities_len = sizeof(tm_if_types_ext_capa_sta),

		/* relevant only if EHT is supported */

		.eml_capabilities = IEEE80211_EML_CAP_EMLSR_SUPP,

	},

};



static int
@@ -562,16 +582,34 @@ int iwl_mvm_mac_setup_register(struct iwl_mvm *mvm) 
					      NL80211_EXT_FEATURE_OCE_PROBE_REQ_DEFERRAL_SUPPRESSION);

	}



	hw->wiphy->iftype_ext_capab = NULL;

	hw->wiphy->num_iftype_ext_capab = 0;



	if (mvm->nvm_data->sku_cap_11ax_enable &&

	    !iwlwifi_mod_params.disable_11ax) {

		hw->wiphy->iftype_ext_capab = he_iftypes_ext_capa;

		hw->wiphy->iftype_ext_capab = add_iftypes_ext_capa;

		hw->wiphy->num_iftype_ext_capab =

			ARRAY_SIZE(he_iftypes_ext_capa);

			ARRAY_SIZE(add_iftypes_ext_capa) - 1;



		ieee80211_hw_set(hw, SUPPORTS_MULTI_BSSID);

		ieee80211_hw_set(hw, SUPPORTS_ONLY_HE_MULTI_BSSID);

	}



	if (iwl_fw_lookup_cmd_ver(mvm->fw,

				  WIDE_ID(DATA_PATH_GROUP,

					  WNM_80211V_TIMING_MEASUREMENT_CONFIG_CMD),

				  IWL_FW_CMD_VER_UNKNOWN) >= 1) {

		IWL_DEBUG_INFO(mvm->trans, "Timing measurement supported\n");



		if (!hw->wiphy->iftype_ext_capab) {

			hw->wiphy->num_iftype_ext_capab = 1;

			hw->wiphy->iftype_ext_capab = add_iftypes_ext_capa +

				ARRAY_SIZE(add_iftypes_ext_capa) - 1;

		} else {

			hw->wiphy->iftype_ext_capab = add_iftypes_ext_capa + 1;

		}

	}



	mvm->rts_threshold = IEEE80211_MAX_RTS_THRESHOLD;



#ifdef CONFIG_PM_SLEEP