qcacmn: Add support to initiate PASN authentication request

Register OSIF callbacks with Wifi_pos module to initiate PASN
authentication request.

Call cfg80211_pasn_auth_request() to initiate PASN authentication
from wpa_supplicant for the list of secure peers.

Change-Id: I52b9518526f1b04ad520f2f19c7a4caa9b62b6b0
CRs-Fixed: 3149968

os_if/linux/wifi_pos/inc/os_if_wifi_pos.h

@@ -1,5 +1,6 @@
 /*
  * Copyright (c) 2012-2017, 2020 The Linux Foundation. All rights reserved.
+ * Copyright (c) 2022 Qualcomm Innovation Center, Inc. All rights reserved.
  *
  * Permission to use, copy, modify, and/or distribute this software for
  * any purpose with or without fee is hereby granted, provided that the
@@ -25,7 +26,8 @@
 
 #include "qdf_types.h"
 #include "qdf_status.h"
-
+#include <wlan_objmgr_cmn.h>
+#include "wifi_pos_public_struct.h"
 
 /* forward declaration */
 struct wifi_pos_ch_info;
@@ -283,4 +285,30 @@ enum cld80211_sub_attr_peer_info {
 		CLD80211_SUB_ATTR_PEER_AFTER_LAST - 1
 };
 #endif
+
+#if defined(WIFI_POS_CONVERGED) && defined(WLAN_FEATURE_RTT_11AZ_SUPPORT)
+/**
+ * os_if_wifi_pos_initiate_pasn_auth() - Initiate PASN authentication from
+ * userspace
+ * @vdev: Vdev object pointer
+ * @pasn_peer: PASN Peer list
+ * @num_pasn_peers: number of PASN peers
+ * @is_initiate_pasn: Initiate pasn or initiate flush keys
+ *
+ * Return: QDF_STATUS
+ */
+QDF_STATUS os_if_wifi_pos_initiate_pasn_auth(struct wlan_objmgr_vdev *vdev,
+					     struct wlan_pasn_request *pasn_peer,
+					     uint8_t num_pasn_peers,
+					     bool is_initiate_pasn);
+#else
+static inline
+QDF_STATUS os_if_wifi_pos_initiate_pasn_auth(struct wlan_objmgr_vdev *vdev,
+					     struct wlan_pasn_request *pasn_peer,
+					     uint8_t num_pasn_peers,
+					     bool is_initiate_pasn)
+{
+	return QDF_STATUS_E_NOSUPPORT;
+}
+#endif /* WLAN_FEATURE_RTT_11AZ_SUPPORT */
 #endif /* _OS_IF_WIFI_POS_H_ */

os_if/linux/wifi_pos/inc/os_if_wifi_pos_utils.h

@@ -0,0 +1,72 @@
+/*
+ * Copyright (c) 2022 Qualcomm Innovation Center, Inc. All rights reserved.
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+/**
+ * DOC: os_if_wifi_pos_utils.h
+ * This file provide declaration of wifi_pos's os_if APIs
+ */
+#ifndef _OS_IF_WIFI_POS_UTILS_H_
+#define _OS_IF_WIFI_POS_UTILS_H_
+
+#include "qdf_types.h"
+#include "qdf_status.h"
+#include <wlan_objmgr_cmn.h>
+
+#if defined(WIFI_POS_CONVERGED) && defined(WLAN_FEATURE_RTT_11AZ_SUPPORT)
+/**
+ * struct wifi_pos_osif_ops - Wifi POS osif callbacks
+ * @osif_initiate_pasn_cb: Callback to initiate PASN authentication
+ */
+struct wifi_pos_osif_ops {
+	QDF_STATUS (*osif_initiate_pasn_cb)(struct wlan_objmgr_vdev *vdev,
+					    struct wlan_pasn_request *pasn_peer,
+					    uint8_t num_pasn_peers,
+					    bool is_initiate_pasn);
+};
+#endif
+
+#if defined(WIFI_POS_CONVERGED) && defined(WLAN_FEATURE_RTT_11AZ_SUPPORT)
+/**
+ * osif_wifi_pos_register_ops() - Register Wifi-Pos module OS_IF callbacks
+ * @psoc: Pointer to PSOC obj
+ *
+ * Return: QDF_STATUS
+ */
+QDF_STATUS
+osif_wifi_pos_register_ops(struct wlan_objmgr_psoc *psoc);
+
+/**
+ * osif_wifi_pos_deregister_ops  - Deregister the wifi pos OS_IF callbacks
+ * @psoc: Pointer to PSOC obj
+ *
+ * Return: QDF_STATUS
+ */
+QDF_STATUS
+osif_wifi_pos_deregister_ops(struct wlan_objmgr_psoc *psoc);
+#else
+static inline QDF_STATUS
+osif_wifi_pos_register_ops(struct wlan_objmgr_psoc *psoc)
+{
+	return QDF_STATUS_SUCCESS;
+}
+
+static inline QDF_STATUS
+osif_wifi_pos_deregister_ops(struct wlan_objmgr_psoc *psoc)
+{
+	return QDF_STATUS_SUCCESS;
+}
+#endif /* WIFI_POS_CONVERGED */
+#endif /* _OS_IF_WIFI_POS_UTILS_H_ */

os_if/linux/wifi_pos/src/os_if_wifi_pos.c

@@ -1,6 +1,6 @@
 /*
  * Copyright (c) 2012-2021 The Linux Foundation. All rights reserved.
- * Copyright (c) 2021 Qualcomm Innovation Center, Inc. All rights reserved.
+ * Copyright (c) 2021-2022 Qualcomm Innovation Center, Inc. All rights reserved.
  *
  * Permission to use, copy, modify, and/or distribute this software for
  * any purpose with or without fee is hereby granted, provided that the
@@ -33,6 +33,7 @@
 #include "wifi_pos_api.h"
 #include "wlan_cfg80211.h"
 #include "wlan_objmgr_psoc_obj.h"
+#include "wlan_osif_priv.h"
 #ifdef CNSS_GENL
 #ifdef CONFIG_CNSS_OUT_OF_TREE
 #include "cnss_nl.h"
@@ -1083,3 +1084,66 @@ int os_if_wifi_pos_populate_caps(struct wlan_objmgr_psoc *psoc,
 
 	return qdf_status_to_os_return(wifi_pos_populate_caps(psoc, caps));
 }
+
+#if defined(WIFI_POS_CONVERGED) && defined(WLAN_FEATURE_RTT_11AZ_SUPPORT)
+QDF_STATUS
+os_if_wifi_pos_initiate_pasn_auth(struct wlan_objmgr_vdev *vdev,
+				  struct wlan_pasn_request *pasn_peer,
+				  uint8_t num_pasn_peers,
+				  bool is_initiate_pasn)
+{
+	struct net_device *netdev;
+	struct cfg80211_pasn_params *pasn_params;
+	struct vdev_osif_priv *osif_priv;
+	int i, ret;
+	QDF_STATUS status = QDF_STATUS_SUCCESS;
+
+	osif_priv  = wlan_vdev_get_ospriv(vdev);
+	if (!osif_priv) {
+		osif_err("OSIF priv is NULL");
+		return QDF_STATUS_E_FAILURE;
+	}
+
+	netdev = osif_priv->wdev->netdev;
+
+	pasn_params = qdf_mem_malloc(sizeof(*pasn_params) +
+				     (num_pasn_peers *
+				      sizeof(struct pasn_peer)));
+	if (!pasn_params)
+		return QDF_STATUS_E_NOMEM;
+
+	pasn_params->action = (is_initiate_pasn ?
+			NL80211_PASN_ACTION_AUTH : NL80211_PASN_ACTION_DEAUTH);
+
+	pasn_params->num_pasn_peers = num_pasn_peers;
+	for (i = 0; i < num_pasn_peers; i++) {
+		qdf_mem_copy(pasn_params->peer[i].peer_addr,
+			     pasn_peer[i].peer_mac.bytes,
+			     QDF_MAC_ADDR_SIZE);
+		qdf_mem_copy(pasn_params->peer[i].src_addr,
+			     pasn_peer[i].self_mac.bytes,
+			     QDF_MAC_ADDR_SIZE);
+		if (pasn_peer[i].force_self_mac_usage)
+			pasn_params->peer[i].flags = PASN_PEER_USE_SRC_MAC;
+
+		osif_debug("PASN peer_mac[%d]:" QDF_MAC_ADDR_FMT " src_mac:" QDF_MAC_ADDR_FMT,
+			   i,
+			   QDF_MAC_ADDR_REF(pasn_params->peer[i].peer_addr),
+			   QDF_MAC_ADDR_REF(pasn_params->peer[i].src_addr));
+	}
+
+	osif_debug("action:%d num_pasn_peers:%d", pasn_params->action,
+		   pasn_params->num_pasn_peers);
+
+	ret = cfg80211_pasn_auth_request(netdev, pasn_params,
+					 qdf_mem_malloc_flags());
+	if (ret) {
+		status = qdf_status_from_os_return(ret);
+		osif_err("PASN Auth request failed");
+	}
+
+	qdf_mem_free(pasn_params);
+
+	return status;
+}
+#endif /* WIFI_POS_CONVERGED && WLAN_FEATURE_RTT_11AZ_SUPPORT */

os_if/linux/wifi_pos/src/os_if_wifi_pos_utils.c

@@ -0,0 +1,44 @@
+/*
+ * Copyright (c) 2022 Qualcomm Innovation Center, Inc. All rights reserved.
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+/**
+ * DOC: os_if_wifi_pos_utils.c
+ * This file defines the important functions pertinent to wifi positioning
+ * component's os_if layer.
+ */
+
+#include "wlan_objmgr_psoc_obj.h"
+#include "os_if_wifi_pos_utils.h"
+#include "wifi_pos_ucfg_i.h"
+#include "os_if_wifi_pos.h"
+
+#if defined(WIFI_POS_CONVERGED) && defined(WLAN_FEATURE_RTT_11AZ_SUPPORT)
+static struct wifi_pos_osif_ops osif_ops = {
+	.osif_initiate_pasn_cb = os_if_wifi_pos_initiate_pasn_auth,
+};
+
+QDF_STATUS
+osif_wifi_pos_register_ops(struct wlan_objmgr_psoc *psoc)
+{
+	return ucfg_wifi_pos_register_osif_callbacks(psoc, &osif_ops);
+}
+
+QDF_STATUS
+osif_wifi_pos_deregister_ops(struct wlan_objmgr_psoc *psoc)
+{
+	return ucfg_wifi_pos_deregister_osif_callbacks(psoc);
+}
+#endif