Import Mbed OS hard-float snapshot

connectivity/nanostack/sal-stack-nanostack/source/Common_Protocols/ip.h

@@ -0,0 +1,57 @@
+/*
+ * Copyright (c) 2015, 2017, Arm Limited and affiliates.
+ * 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 _COMMON_PROTOCOLS_IP_H
+#define _COMMON_PROTOCOLS_IP_H
+
+/* Traffic class octet defines */
+#define IP_TCLASS_DSCP_MASK     0xFC
+#define IP_TCLASS_DSCP_SHIFT    2
+#define IP_TCLASS_ECN_MASK      0x03
+
+/* Differentiated Services Code Points in bits 0-5 */
+#define IP_DSCP_CS0         0
+#define IP_DSCP_CS1         8
+#define IP_DSCP_AF11        10
+#define IP_DSCP_AF12        12
+#define IP_DSCP_AF13        14
+#define IP_DSCP_CS2         16
+#define IP_DSCP_AF21        18
+#define IP_DSCP_AF22        20
+#define IP_DSCP_AF23        22
+#define IP_DSCP_CS3         24
+#define IP_DSCP_AF31        26
+#define IP_DSCP_AF32        28
+#define IP_DSCP_AF33        30
+#define IP_DSCP_CS4         32
+#define IP_DSCP_AF41        34
+#define IP_DSCP_AF42        36
+#define IP_DSCP_AF43        38
+#define IP_DSCP_CS5         40
+#define IP_DSCP_VOICE_ADMIT 44
+#define IP_DSCP_EF          46
+#define IP_DSCP_CS6         48
+#define IP_DSCP_CS7         56
+
+/* Explicit Congestion Notification codepoint in bits 6+7 of traffic class */
+
+#define IP_ECN_NOT_ECT      0 // Not ECN-Capable Transport
+#define IP_ECN_ECT_1        1 // ECN-Capable Transport(1)
+#define IP_ECN_ECT_0        2 // ECN-Capable Transport(0)
+#define IP_ECN_CE           3 // Congestion Experienced
+
+#endif /* _COMMON_PROTOCOLS_IP_H */