1 /* 2 * Copyright (C) 2017 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 #pragma once 17 18 #include "common/vsoc/shm/base.h" 19 #include "common/vsoc/shm/circqueue.h" 20 #include "common/vsoc/shm/lock.h" 21 22 // Memory layout for wifi packet exchange region. 23 namespace vsoc { 24 namespace layout { 25 namespace wifi { 26 27 struct WifiExchangeLayout : public RegionLayout { 28 static constexpr size_t layout_size = 2 * CircularPacketQueue<16, 8192>::layout_size + 12; 29 30 // Traffic originating from host that proceeds towards guest. 31 CircularPacketQueue<16, 8192> guest_ingress; 32 // Traffic originating from guest that proceeds towards host. 33 CircularPacketQueue<16, 8192> guest_egress; 34 35 // Desired MAC address for guest device. 36 uint8_t guest_mac_address[6]; 37 // MAC address of host device. 38 uint8_t host_mac_address[6]; 39 40 static const char* region_name; 41 }; 42 43 ASSERT_SHM_COMPATIBLE(WifiExchangeLayout); 44 45 } // namespace wifi 46 } // namespace layout 47 } // namespace vsoc 48
