mesh: Add Mesh Private Beacon server

This initial server supports only the Mesh Private Beacon and returns
"Not Suppoerted" for Get/Set of Private GATT Proxy and Private Node
Identity beacons.

2 files changed, 159 insertions, 0 deletions

diff --git a/mesh/prv-beacon.h b/mesh/prv-beacon.h
new file mode 100644
index 000000000..1e69e7fda
--- /dev/null
+++ b/mesh/prv-beacon.h
@@ -0,0 +1,36 @@
+/*
+ *
+ *  BlueZ - Bluetooth protocol stack for Linux
+ *
+ *  Copyright (C) 2023  Intel Corporation. All rights reserved.
+ *
+ *
+ *  This library is free software; you can redistribute it and/or
+ *  modify it under the terms of the GNU Lesser General Public
+ *  License as published by the Free Software Foundation; either
+ *  version 2.1 of the License, or (at your option) any later version.
+ *
+ *  This library is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ *  Lesser General Public License for more details.
+ *
+ */
+
+struct mesh_node;
+
+#define PRV_BEACON_SRV_MODEL	SET_ID(SIG_VENDOR, 0x0008)
+#define PRV_BEACON_CLI_MODEL	SET_ID(SIG_VENDOR, 0x0009)
+
+/* Private Beacon opcodes */
+#define OP_PRIVATE_BEACON_GET			0x8060
+#define OP_PRIVATE_BEACON_SET			0x8061
+#define OP_PRIVATE_BEACON_STATUS		0x8062
+#define OP_PRIVATE_GATT_PROXY_GET		0x8063
+#define OP_PRIVATE_GATT_PROXY_SET		0x8064
+#define OP_PRIVATE_GATT_PROXY_STATUS		0x8065
+#define OP_PRIVATE_NODE_ID_GET			0x8066
+#define OP_PRIVATE_NODE_ID_SET			0x8067
+#define OP_PRIVATE_NODE_ID_STATUS		0x8068
+
+void prv_beacon_server_init(struct mesh_node *node, uint8_t ele_idx);
diff --git a/mesh/prvbeac-server.c b/mesh/prvbeac-server.c
new file mode 100644
index 000000000..e712778f8
--- /dev/null
+++ b/mesh/prvbeac-server.c
@@ -0,0 +1,123 @@
+/*
+ *
+ *  BlueZ - Bluetooth protocol stack for Linux
+ *
+ *  Copyright (C) 2023  Intel Corporation. All rights reserved.
+ *
+ *
+ *  This library is free software; you can redistribute it and/or
+ *  modify it under the terms of the GNU Lesser General Public
+ *  License as published by the Free Software Foundation; either
+ *  version 2.1 of the License, or (at your option) any later version.
+ *
+ *  This library is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ *  Lesser General Public License for more details.
+ *
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include <sys/time.h>
+#include <ell/ell.h>
+
+#include "mesh/mesh-defs.h"
+#include "mesh/node.h"
+#include "mesh/net.h"
+#include "mesh/appkey.h"
+#include "mesh/model.h"
+#include "mesh/mesh-config.h"
+#include "mesh/prv-beacon.h"
+
+#define NOT_SUPPORTED 0x02
+
+static bool prvbec_srv_pkt(uint16_t src, uint16_t dst, uint16_t app_idx,
+				uint16_t net_idx, const uint8_t *data,
+				uint16_t size, const void *user_data)
+{
+	struct mesh_node *node = (struct mesh_node *) user_data;
+	const uint8_t *pkt = data;
+	uint32_t opcode;
+	uint8_t msg[5];
+	uint16_t n;
+	uint8_t period = 0;
+
+	if (app_idx != APP_IDX_DEV_LOCAL)
+		return false;
+
+	if (mesh_model_opcode_get(pkt, size, &opcode, &n)) {
+		size -= n;
+		pkt += n;
+	} else
+		return false;
+
+	l_debug("PRV-BEAC-SRV-opcode 0x%x size %u idx %3.3x", opcode, size,
+								net_idx);
+
+	n = 0;
+
+	switch (opcode) {
+	default:
+		return false;
+
+	case OP_PRIVATE_BEACON_SET:
+		if (size == 1)
+			period = 0xff;
+		else if (size == 2)
+			period = pkt[1];
+		else
+			return true;
+
+		/* fall through */
+
+	case OP_PRIVATE_BEACON_GET:
+		n = mesh_model_opcode_set(OP_PRIVATE_BEACON_STATUS, msg);
+
+		msg[n++] = NOT_SUPPORTED;
+		msg[n++] = period;
+
+		l_debug("Get/Set Private Beacon (%d)", msg[n-2]);
+		break;
+
+	case OP_PRIVATE_GATT_PROXY_SET:
+		/* fall through */
+	case OP_PRIVATE_GATT_PROXY_GET:
+		n = mesh_model_opcode_set(OP_PRIVATE_GATT_PROXY_STATUS, msg);
+		msg[n++] = NOT_SUPPORTED;
+		break;
+
+	case OP_PRIVATE_NODE_ID_SET:
+		/* fall through */
+	case OP_PRIVATE_NODE_ID_GET:
+		n = mesh_model_opcode_set(OP_PRIVATE_NODE_ID_STATUS, msg);
+		msg[n++] = NOT_SUPPORTED;
+		break;
+	}
+
+	if (n)
+		mesh_model_send(node, dst, src, APP_IDX_DEV_LOCAL, net_idx,
+						DEFAULT_TTL, false, n, msg);
+
+	return true;
+}
+
+static void prvbec_srv_unregister(void *user_data)
+{
+}
+
+static const struct mesh_model_ops ops = {
+	.unregister = prvbec_srv_unregister,
+	.recv = prvbec_srv_pkt,
+	.bind = NULL,
+	.sub = NULL,
+	.pub = NULL
+};
+
+void prv_beacon_server_init(struct mesh_node *node, uint8_t ele_idx)
+{
+	l_debug("%2.2x", ele_idx);
+	mesh_model_register(node, ele_idx, PRV_BEACON_SRV_MODEL, &ops, node);
+}