Commit 67baf663 authored by Janusz Dziedzic's avatar Janusz Dziedzic Committed by Johannes Berg
Browse files

mac80211: add P2P NoA settings 



Add P2P NoA settings for STA mode.

Signed-off-by: default avatarJanusz Dziedzic <janusz.dziedzic@tieto.com>
[fix docs]
Signed-off-by: default avatarJohannes Berg <johannes.berg@intel.com>
parent 934457ee

drivers/net/wireless/iwlwifi/mvm/mac-ctxt.c

+9 −3
Original line number Diff line number Diff line
@@ -662,6 +662,7 @@ static int iwl_mvm_mac_ctxt_cmd_p2p_client(struct iwl_mvm *mvm, 
					   u32 action)

{

	struct iwl_mac_ctx_cmd cmd = {};

	struct ieee80211_p2p_noa_attr *noa = &vif->bss_conf.p2p_noa_attr;



	WARN_ON(vif->type != NL80211_IFTYPE_STATION || !vif->p2p);
@@ -671,7 +672,8 @@ static int iwl_mvm_mac_ctxt_cmd_p2p_client(struct iwl_mvm *mvm, 
	/* Fill the data specific for station mode */

	iwl_mvm_mac_ctxt_cmd_fill_sta(mvm, vif, &cmd.p2p_sta.sta);



	cmd.p2p_sta.ctwin = cpu_to_le32(vif->bss_conf.p2p_ctwindow);

	cmd.p2p_sta.ctwin = cpu_to_le32(noa->oppps_ctwindow &

					IEEE80211_P2P_OPPPS_CTWINDOW_MASK);



	return iwl_mvm_mac_ctxt_send_cmd(mvm, &cmd);

}
@@ -892,6 +894,7 @@ static int iwl_mvm_mac_ctxt_cmd_go(struct iwl_mvm *mvm, 
				   u32 action)

{

	struct iwl_mac_ctx_cmd cmd = {};

	struct ieee80211_p2p_noa_attr *noa = &vif->bss_conf.p2p_noa_attr;



	WARN_ON(vif->type != NL80211_IFTYPE_AP || !vif->p2p);
@@ -901,8 +904,11 @@ static int iwl_mvm_mac_ctxt_cmd_go(struct iwl_mvm *mvm, 
	/* Fill the data specific for GO mode */

	iwl_mvm_mac_ctxt_cmd_fill_ap(mvm, vif, &cmd.go.ap);



	cmd.go.ctwin = cpu_to_le32(vif->bss_conf.p2p_ctwindow);

	cmd.go.opp_ps_enabled = cpu_to_le32(!!vif->bss_conf.p2p_oppps);

	cmd.go.ctwin = cpu_to_le32(noa->oppps_ctwindow &

					IEEE80211_P2P_OPPPS_CTWINDOW_MASK);

	cmd.go.opp_ps_enabled =

			cpu_to_le32(!!(noa->oppps_ctwindow &

					IEEE80211_P2P_OPPPS_ENABLE_BIT));



	return iwl_mvm_mac_ctxt_send_cmd(mvm, &cmd);

}

include/net/mac80211.h

+2 −4
Original line number Diff line number Diff line
@@ -330,8 +330,7 @@ enum ieee80211_rssi_event { 
 * @ssid_len: Length of SSID given in @ssid.

 * @hidden_ssid: The SSID of the current vif is hidden. Only valid in AP-mode.

 * @txpower: TX power in dBm

 * @p2p_ctwindow: P2P CTWindow, only for P2P client interfaces

 * @p2p_oppps: P2P opportunistic PS is enabled

 * @p2p_noa_attr: P2P NoA attribute for P2P powersave

 */

struct ieee80211_bss_conf {

	const u8 *bssid;
@@ -365,8 +364,7 @@ struct ieee80211_bss_conf { 
	size_t ssid_len;

	bool hidden_ssid;

	int txpower;

	u8 p2p_ctwindow;

	bool p2p_oppps;

	struct ieee80211_p2p_noa_attr p2p_noa_attr;

};



/**

net/mac80211/cfg.c

+18 −5
Original line number Diff line number Diff line
@@ -965,8 +965,13 @@ static int ieee80211_start_ap(struct wiphy *wiphy, struct net_device *dev, 
	sdata->vif.bss_conf.hidden_ssid =

		(params->hidden_ssid != NL80211_HIDDEN_SSID_NOT_IN_USE);



	sdata->vif.bss_conf.p2p_ctwindow = params->p2p_ctwindow;

	sdata->vif.bss_conf.p2p_oppps = params->p2p_opp_ps;

	memset(&sdata->vif.bss_conf.p2p_noa_attr, 0,

	       sizeof(sdata->vif.bss_conf.p2p_noa_attr));

	sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow =

		params->p2p_ctwindow & IEEE80211_P2P_OPPPS_CTWINDOW_MASK;

	if (params->p2p_opp_ps)

		sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow |=

					IEEE80211_P2P_OPPPS_ENABLE_BIT;



	err = ieee80211_assign_beacon(sdata, &params->beacon);

	if (err < 0)
@@ -1961,12 +1966,20 @@ static int ieee80211_change_bss(struct wiphy *wiphy, 
	}



	if (params->p2p_ctwindow >= 0) {

		sdata->vif.bss_conf.p2p_ctwindow = params->p2p_ctwindow;

		sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow &=

					~IEEE80211_P2P_OPPPS_CTWINDOW_MASK;

		sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow |=

			params->p2p_ctwindow & IEEE80211_P2P_OPPPS_CTWINDOW_MASK;

		changed |= BSS_CHANGED_P2P_PS;

	}



	if (params->p2p_opp_ps >= 0) {

		sdata->vif.bss_conf.p2p_oppps = params->p2p_opp_ps;

	if (params->p2p_opp_ps > 0) {

		sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow |=

					IEEE80211_P2P_OPPPS_ENABLE_BIT;

		changed |= BSS_CHANGED_P2P_PS;

	} else if (params->p2p_opp_ps == 0) {

		sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow &=

					~IEEE80211_P2P_OPPPS_ENABLE_BIT;

		changed |= BSS_CHANGED_P2P_PS;

	}

net/mac80211/ieee80211_i.h

+1 −1
Original line number Diff line number Diff line
@@ -442,7 +442,7 @@ struct ieee80211_if_managed { 


	u8 use_4addr;



	u8 p2p_noa_index;

	s16 p2p_noa_index;



	/* Signal strength from the last Beacon frame in the current BSS. */

	int last_beacon_signal;

net/mac80211/mlme.c

+25 −20
Original line number Diff line number Diff line
@@ -1661,20 +1661,17 @@ static void ieee80211_set_associated(struct ieee80211_sub_if_data *sdata, 
		rcu_read_lock();

		ies = rcu_dereference(cbss->ies);

		if (ies) {

			struct ieee80211_p2p_noa_attr noa;

			int ret;



			ret = cfg80211_get_p2p_attr(

					ies->data, ies->len,

					IEEE80211_P2P_ATTR_ABSENCE_NOTICE,

					(u8 *) &noa, sizeof(noa));

					(u8 *) &bss_conf->p2p_noa_attr,

					sizeof(bss_conf->p2p_noa_attr));

			if (ret >= 2) {

				bss_conf->p2p_oppps = noa.oppps_ctwindow &

						IEEE80211_P2P_OPPPS_ENABLE_BIT;

				bss_conf->p2p_ctwindow = noa.oppps_ctwindow &

						IEEE80211_P2P_OPPPS_CTWINDOW_MASK;

				sdata->u.mgd.p2p_noa_index =

					bss_conf->p2p_noa_attr.index;

				bss_info_changed |= BSS_CHANGED_P2P_PS;

				sdata->u.mgd.p2p_noa_index = noa.index;

			}

		}

		rcu_read_unlock();
@@ -1799,8 +1796,9 @@ static void ieee80211_set_disassoc(struct ieee80211_sub_if_data *sdata, 
	changed |= BSS_CHANGED_ASSOC;

	sdata->vif.bss_conf.assoc = false;



	sdata->vif.bss_conf.p2p_ctwindow = 0;

	sdata->vif.bss_conf.p2p_oppps = false;

	ifmgd->p2p_noa_index = -1;

	memset(&sdata->vif.bss_conf.p2p_noa_attr, 0,

	       sizeof(sdata->vif.bss_conf.p2p_noa_attr));



	/* on the next assoc, re-program HT/VHT parameters */

	memset(&ifmgd->ht_capa, 0, sizeof(ifmgd->ht_capa));
@@ -2963,26 +2961,32 @@ ieee80211_rx_mgmt_beacon(struct ieee80211_sub_if_data *sdata, 
	}



	if (sdata->vif.p2p) {

		struct ieee80211_p2p_noa_attr noa;

		struct ieee80211_p2p_noa_attr noa = {};

		int ret;



		ret = cfg80211_get_p2p_attr(mgmt->u.beacon.variable,

					    len - baselen,

					    IEEE80211_P2P_ATTR_ABSENCE_NOTICE,

					    (u8 *) &noa, sizeof(noa));

		if (ret >= 2 && sdata->u.mgd.p2p_noa_index != noa.index) {

			bss_conf->p2p_oppps = noa.oppps_ctwindow &

						IEEE80211_P2P_OPPPS_ENABLE_BIT;

			bss_conf->p2p_ctwindow = noa.oppps_ctwindow &

						IEEE80211_P2P_OPPPS_CTWINDOW_MASK;

			changed |= BSS_CHANGED_P2P_PS;

		if (ret >= 2) {

			if (sdata->u.mgd.p2p_noa_index != noa.index) {

				/* valid noa_attr and index changed */

				sdata->u.mgd.p2p_noa_index = noa.index;

				memcpy(&bss_conf->p2p_noa_attr, &noa, sizeof(noa));

				changed |= BSS_CHANGED_P2P_PS;

				/*

				 * make sure we update all information, the CRC

				 * mechanism doesn't look at P2P attributes.

				 */

				ifmgd->beacon_crc_valid = false;

			}

		} else if (sdata->u.mgd.p2p_noa_index != -1) {

			/* noa_attr not found and we had valid noa_attr before */

			sdata->u.mgd.p2p_noa_index = -1;

			memset(&bss_conf->p2p_noa_attr, 0, sizeof(bss_conf->p2p_noa_attr));

			changed |= BSS_CHANGED_P2P_PS;

			ifmgd->beacon_crc_valid = false;

		}

	}



	if (ncrc == ifmgd->beacon_crc && ifmgd->beacon_crc_valid)
@@ -3523,6 +3527,7 @@ void ieee80211_sta_setup_sdata(struct ieee80211_sub_if_data *sdata) 
	ifmgd->powersave = sdata->wdev.ps;

	ifmgd->uapsd_queues = IEEE80211_DEFAULT_UAPSD_QUEUES;

	ifmgd->uapsd_max_sp_len = IEEE80211_DEFAULT_MAX_SP_LEN;

	ifmgd->p2p_noa_index = -1;



	mutex_init(&ifmgd->mtx);

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