From 86b5c400a0fe2567e40119c31657076b87cd5f18 Mon Sep 17 00:00:00 2001
From: Lior David <qca_liord@qca.qualcomm.com>
Date: Mon, 8 Feb 2016 12:16:45 +0200
Subject: [PATCH] nl80211: Basic support for PBSS/PCP

PBSS (Personal Basic Service Set) is a new BSS type for DMG
networks. It is similar to infrastructure BSS, having an AP-like
entity called PCP (PBSS Control Point), but it has few differences.
PBSS support is mandatory for IEEE 802.11ad devices.

Add a pbss flag to the relevant structures to support starting a PCP and
connecting to a PCP. Implement support in the nl80211 driver by using
the new PBSS flag attribute.

Signed-off-by: Lior David <qca_liord@qca.qualcomm.com>
---
 src/drivers/driver.h         | 12 ++++++++++++
 src/drivers/driver_nl80211.c | 12 ++++++++++++
 2 files changed, 24 insertions(+)

diff --git a/src/drivers/driver.h b/src/drivers/driver.h
index aad0e0418..a4f670406 100644
--- a/src/drivers/driver.h
+++ b/src/drivers/driver.h
@@ -860,6 +860,12 @@ struct wpa_driver_associate_params {
 	 * RRM (Radio Resource Measurements)
 	 */
 	int rrm_used;
+
+	/**
+	 * pbss - If set, connect to a PCP in a PBSS. Otherwise, connect to an
+	 * AP as usual. Valid for DMG network only.
+	 */
+	int pbss;
 };
 
 enum hide_ssid {
@@ -1087,6 +1093,12 @@ struct wpa_driver_ap_params {
 	 * reenable - Whether this is to re-enable beaconing
 	 */
 	int reenable;
+
+	/**
+	 * pbss - Whether to start a PCP (in PBSS) instead of an AP in
+	 * infrastructure BSS. Valid only for DMG network.
+	 */
+	int pbss;
 };
 
 struct wpa_driver_mesh_bss_params {
diff --git a/src/drivers/driver_nl80211.c b/src/drivers/driver_nl80211.c
index 4cb92d0a4..0f312a0ac 100644
--- a/src/drivers/driver_nl80211.c
+++ b/src/drivers/driver_nl80211.c
@@ -3584,6 +3584,12 @@ static int wpa_driver_nl80211_set_ap(void *priv,
 	}
 #endif /* CONFIG_P2P */
 
+	if (params->pbss) {
+		wpa_printf(MSG_DEBUG, "nl80211: PBSS");
+		if (nla_put_flag(msg, NL80211_ATTR_PBSS))
+			goto fail;
+	}
+
 	ret = send_and_recv_msgs(drv, msg, NULL, NULL);
 	if (ret) {
 		wpa_printf(MSG_DEBUG, "nl80211: Beacon set failed: %d (%s)",
@@ -4744,6 +4750,12 @@ static int nl80211_connect_common(struct wpa_driver_nl80211_data *drv,
 	if (params->p2p)
 		wpa_printf(MSG_DEBUG, "  * P2P group");
 
+	if (params->pbss) {
+		wpa_printf(MSG_DEBUG, "  * PBSS");
+		if (nla_put_flag(msg, NL80211_ATTR_PBSS))
+			return -1;
+	}
+
 	return 0;
 }