Commit d8b26154 authored by Shaul Triebitz's avatar Shaul Triebitz Committed by Johannes Berg
Browse files

mac80211: add to bss_conf if broadcast TWT is supported 



Add to struct ieee80211_bss_conf a twt_broadcast field.
Set it to true if both STA and AP support broadcast TWT.

Signed-off-by: default avatarShaul Triebitz <shaul.triebitz@intel.com>
Signed-off-by: default avatarLuca Coelho <luciano.coelho@intel.com>
Link: https://lore.kernel.org/r/iwlwifi.20210618133832.f7c105237541.I50b302044e2b35e5ed4d3fb8bc7bd3d8bb89b1e1@changeid


Signed-off-by: default avatarJohannes Berg <johannes.berg@intel.com>
parent 7da70d6c

include/net/mac80211.h

+3 −1
Original line number Diff line number Diff line
@@ -7,7 +7,7 @@ 
 * Copyright 2007-2010	Johannes Berg <johannes@sipsolutions.net>

 * Copyright 2013-2014  Intel Mobile Communications GmbH

 * Copyright (C) 2015 - 2017 Intel Deutschland GmbH

 * Copyright (C) 2018 - 2020 Intel Corporation

 * Copyright (C) 2018 - 2021 Intel Corporation

 */



#ifndef MAC80211_H
@@ -526,6 +526,7 @@ struct ieee80211_fils_discovery { 
 * @twt_responder: does this BSS support TWT requester (relevant for managed

 *	mode only, set if the AP advertises TWT responder role)

 * @twt_protected: does this BSS support protected TWT frames

 * @twt_broadcast: does this BSS support broadcast TWT

 * @assoc: association status

 * @ibss_joined: indicates whether this station is part of an IBSS

 *	or not
@@ -642,6 +643,7 @@ struct ieee80211_bss_conf { 
	bool twt_requester;

	bool twt_responder;

	bool twt_protected;

	bool twt_broadcast;

	/* association related data */

	bool assoc, ibss_joined;

	bool ibss_creator;

net/mac80211/mlme.c

+18 −0
Original line number Diff line number Diff line
@@ -3218,6 +3218,21 @@ static int ieee80211_recalc_twt_req(struct ieee80211_sub_if_data *sdata, 
	return 0;

}



static bool ieee80211_twt_bcast_support(struct ieee80211_bss_conf *bss_conf,

					struct ieee80211_supported_band *sband,

					struct sta_info *sta)

{

	const struct ieee80211_sta_he_cap *own_he_cap =

		ieee80211_get_he_sta_cap(sband);



	return bss_conf->he_support &&

		(sta->sta.he_cap.he_cap_elem.mac_cap_info[2] &

			IEEE80211_HE_MAC_CAP2_BCAST_TWT) &&

		own_he_cap &&

		(own_he_cap->he_cap_elem.mac_cap_info[2] &

			IEEE80211_HE_MAC_CAP2_BCAST_TWT);

}



static bool ieee80211_assoc_success(struct ieee80211_sub_if_data *sdata,

				    struct cfg80211_bss *cbss,

				    struct ieee80211_mgmt *mgmt, size_t len,
@@ -3433,6 +3448,9 @@ static bool ieee80211_assoc_success(struct ieee80211_sub_if_data *sdata, 
		bss_conf->twt_protected = false;

	}



	bss_conf->twt_broadcast =

		ieee80211_twt_bcast_support(bss_conf, sband, sta);



	if (bss_conf->he_support) {

		bss_conf->he_bss_color.color =

			le32_get_bits(elems->he_operation->he_oper_params,