Import Mbed OS hard-float snapshot

connectivity/libraries/nanostack-libservice/mbed-client-libservice/ip_fsc.h

@@ -0,0 +1,29 @@
+/*
+ * Copyright (c) 2014-2015 ARM Limited. All rights reserved.
+ * SPDX-License-Identifier: Apache-2.0
+ * Licensed under the Apache License, Version 2.0 (the License); you may
+ * not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an AS IS BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#ifndef _NS_FSC_H
+#define _NS_FSC_H
+
+#include "ns_types.h"
+
+#define NEXT_HEADER_TCP     0x06
+#define NEXT_HEADER_UDP     0x11
+#define NEXT_HEADER_ICMP6   0x3A
+
+extern uint16_t ip_fcf_v(uint_fast8_t count, const ns_iovec_t vec[static count]);
+extern uint16_t ipv6_fcf(const uint8_t src_address[static 16], const uint8_t dest_address[static 16],
+                         uint16_t data_length, const uint8_t data_ptr[static data_length],  uint8_t next_protocol);
+
+#endif