qcacld-3.0: add vendor command support for CoAP

Add support for CoAP(Constrained Application Protocol) realted
vendor command QCA_NL80211_VENDOR_SUBCMD_COAP_OFFLOAD.

Change-Id: I830379ca0dda765add5e1ddd949fd3e51dcb80e6
CRs-Fixed: 3254544

core/hdd/src/wlan_hdd_cfg80211.c

@@ -191,6 +191,7 @@
 #include "os_if_dp.h"
 #include "os_if_dp_lro.h"
 #include "wlan_mlo_mgr_sta.h"
+#include "wlan_hdd_coap.h"
 
 #define g_mode_rates_size (12)
 #define a_mode_rates_size (8)
@@ -17980,6 +17981,7 @@ const struct wiphy_vendor_command hdd_wiphy_vendor_commands[] = {
 		.doit = wlan_hdd_cfg80211_get_radio_combination_matrix,
 		vendor_command_policy(VENDOR_CMD_RAW_DATA, 0)
 	},
+	FEATURE_COAP_OFFLOAD_COMMANDS
 };
 
 struct hdd_context *hdd_cfg80211_wiphy_alloc(void)

core/hdd/src/wlan_hdd_coap.c

@@ -0,0 +1,83 @@
+/*
+ * 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: wlan_hdd_coap.c
+ *
+ * The implementation of CoAP offload configuration
+ *
+ */
+
+#include "wlan_hdd_main.h"
+#include "wlan_hdd_coap.h"
+#include "osif_sync.h"
+#include "wlan_hdd_object_manager.h"
+#include "wlan_cfg80211_coap.h"
+
+/**
+ * __wlan_hdd_cfg80211_coap_offload() - configure CoAP offloading
+ * @wiphy: pointer to wireless wiphy structure.
+ * @wdev: pointer to wireless_dev structure.
+ * @data: pointer to netlink TLV buffer
+ * @data_len: the length of @data in bytes
+ *
+ * Return: An error code or 0 on success.
+ */
+static int
+__wlan_hdd_cfg80211_coap_offload(struct wiphy *wiphy,
+				 struct wireless_dev *wdev,
+				 const void *data, int data_len)
+{
+	struct hdd_adapter *adapter = WLAN_HDD_GET_PRIV_PTR(wdev->netdev);
+	struct hdd_context *hdd_ctx = wiphy_priv(wiphy);
+	int errno;
+	struct wlan_objmgr_vdev *vdev;
+
+	hdd_enter_dev(wdev->netdev);
+
+	if (QDF_GLOBAL_FTM_MODE == hdd_get_conparam()) {
+		hdd_err("Command not allowed in FTM mode");
+		return -EPERM;
+	}
+
+	errno = wlan_hdd_validate_context(hdd_ctx);
+	if (errno != 0)
+		return errno;
+
+	vdev = hdd_objmgr_get_vdev_by_user(adapter, WLAN_COAP_ID);
+	if (!vdev)
+		return -EINVAL;
+
+	errno = wlan_cfg80211_coap_offload(wiphy, vdev, data, data_len);
+	hdd_objmgr_put_vdev_by_user(vdev, WLAN_COAP_ID);
+	return errno;
+}
+
+int wlan_hdd_cfg80211_coap_offload(struct wiphy *wiphy,
+				   struct wireless_dev *wdev,
+				   const void *data, int data_len)
+{
+	int errno;
+	struct osif_vdev_sync *vdev_sync;
+
+	errno = osif_vdev_sync_op_start(wdev->netdev, &vdev_sync);
+	if (errno)
+		return errno;
+
+	errno = __wlan_hdd_cfg80211_coap_offload(wiphy, wdev, data, data_len);
+	osif_vdev_sync_op_stop(vdev_sync);
+	return errno;
+}

core/hdd/src/wlan_hdd_coap.h

@@ -0,0 +1,60 @@
+/*
+ * 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: wlan_hdd_coap.h
+ *
+ * Add Vendor subcommand QCA_NL80211_VENDOR_SUBCMD_COAP_OFFLOAD
+ */
+
+#ifndef __WLAN_HDD_COAP_H
+#define __WLAN_HDD_COAP_H
+
+#ifdef WLAN_FEATURE_COAP
+#include <net/cfg80211.h>
+
+/**
+ * wlan_hdd_cfg80211_coap_offload() - configure CoAP offloading
+ * @wiphy: pointer to wireless wiphy structure.
+ * @wdev: pointer to wireless_dev structure.
+ * @data: pointer to netlink TLV buffer
+ * @data_len: the length of @data in bytes
+ *
+ * Return: An error code or 0 on success.
+ */
+int wlan_hdd_cfg80211_coap_offload(struct wiphy *wiphy,
+				   struct wireless_dev *wdev,
+				   const void *data, int data_len);
+
+extern const struct nla_policy
+	coap_offload_policy[QCA_WLAN_VENDOR_ATTR_COAP_OFFLOAD_MAX + 1];
+
+#define FEATURE_COAP_OFFLOAD_COMMANDS					\
+{									\
+	.info.vendor_id = QCA_NL80211_VENDOR_ID,			\
+	.info.subcmd = QCA_NL80211_VENDOR_SUBCMD_COAP_OFFLOAD,		\
+	.flags = WIPHY_VENDOR_CMD_NEED_WDEV |				\
+		WIPHY_VENDOR_CMD_NEED_NETDEV |				\
+		WIPHY_VENDOR_CMD_NEED_RUNNING,				\
+	.doit = wlan_hdd_cfg80211_coap_offload,				\
+	vendor_command_policy(coap_offload_policy,			\
+			      QCA_WLAN_VENDOR_ATTR_COAP_OFFLOAD_MAX)	\
+},
+#else /* WLAN_FEATURE_COAP */
+#define FEATURE_COAP_OFFLOAD_COMMANDS
+#endif /* WLAN_FEATURE_COAP */
+
+#endif /* __WLAN_HDD_COAP_H */