1 /* 2 * Copyright (C) 2015 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 #ifndef _CONNMARK_FLAGS_H 18 #define _CONNMARK_FLAGS_H 19 20 /* 21 * iptables CONNMARK flag values used by various controllers. These values 22 * need to be stored in one place to avoid clashes. 23 * 24 * Note: the last 20 bits of the connmark are reserved for storing the partial fwmark. 25 */ 26 enum class ConnmarkFlags : unsigned { 27 STRICT_RESOLVED_ACCEPT = 0x01000000, 28 STRICT_RESOLVED_REJECT = 0x02000000, 29 }; 30 31 /* 32 * Mask to mask out the parts of the fwmark that get stored inside the connmark. 33 */ 34 constexpr unsigned CONNMARK_FWMARK_MASK = 0x000FFFFF; 35 36 #endif 37