1 /* 2 * Copyright (C) 2021 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 #ifdef MAINLINE 18 // BTF is incompatible with bpfloaders < v0.10, hence for S (v0.2) we must 19 // ship a different file than for later versions, but we need bpfloader v0.25+ 20 // for [email protected] support 21 #define BPFLOADER_MIN_VER BPFLOADER_MAINLINE_T_VERSION 22 #else /* MAINLINE */ 23 // The resulting .o needs to load on the Android S bpfloader 24 #define BPFLOADER_MIN_VER BPFLOADER_S_VERSION 25 #define BPFLOADER_MAX_VER BPFLOADER_T_VERSION 26 #endif /* MAINLINE */ 27 28 // This is non production code, only used for testing 29 // Needed because the bitmap array definition is non-kosher for pre-T OS devices. 30 #define THIS_BPF_PROGRAM_IS_FOR_TEST_PURPOSES_ONLY 31 32 #include "bpf_net_helpers.h" 33 #include "offload.h" 34 35 // Used only by TetheringPrivilegedTests, not by production code. 36 DEFINE_BPF_MAP_GRW(tether_downstream6_map, HASH, TetherDownstream6Key, Tether6Value, 16, 37 AID_NETWORK_STACK) 38 DEFINE_BPF_MAP_GRW(tether2_downstream6_map, HASH, TetherDownstream6Key, Tether6Value, 16, 39 AID_NETWORK_STACK) 40 DEFINE_BPF_MAP_GRW(tether3_downstream6_map, HASH, TetherDownstream6Key, Tether6Value, 16, 41 AID_NETWORK_STACK) 42 // Used only by BpfBitmapTest, not by production code. 43 DEFINE_BPF_MAP_GRW(bitmap, ARRAY, int, uint64_t, 2, AID_NETWORK_STACK) 44 45 // we need at least 1 bpf program in the final .o for Android S bpfloader compatibility 46 // this program is trivial, and has a 'infinite' minimum kernel version number, 47 // so will always be skipped 48 DEFINE_BPF_PROG_KVER("skfilter/match", AID_ROOT, AID_ROOT, match, KVER_INF) 49 (__unused struct __sk_buff* skb) { 50 return XTBPF_MATCH; 51 } 52 53 LICENSE("Apache 2.0"); 54 CRITICAL("Networking xTS tests"); 55