projects / mirror_iproute2.git / blame
| Commit | Line | Data |
|---|---|---|
| 6054c1eb | 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
| 6256f8c9 DB |
2 | #ifndef __BPF_ELF__ |
| 3 | #define __BPF_ELF__ | |
| 4 | ||
| 5 | #include <asm/types.h> | |
| 6 | ||
| 7 | /* Note: | |
| 8 | * | |
| 9 | * Below ELF section names and bpf_elf_map structure definition | |
| 10 | * are not (!) kernel ABI. It's rather a "contract" between the | |
| 11 | * application and the BPF loader in tc. For compatibility, the | |
| 12 | * section names should stay as-is. Introduction of aliases, if | |
| 13 | * needed, are a possibility, though. | |
| 14 | */ | |
| 15 | ||
| 16 | /* ELF section names, etc */ | |
| 17 | #define ELF_SECTION_LICENSE "license" | |
| 18 | #define ELF_SECTION_MAPS "maps" | |
| c7272ca7 | 19 | #define ELF_SECTION_PROG "prog" |
| 6256f8c9 DB |
20 | #define ELF_SECTION_CLASSIFIER "classifier" |
| 21 | #define ELF_SECTION_ACTION "action" | |
| 22 | ||
| 23 | #define ELF_MAX_MAPS 64 | |
| 24 | #define ELF_MAX_LICENSE_LEN 128 | |
| 25 | ||
| 32e93fb7 DB |
26 | /* Object pinning settings */ |
| 27 | #define PIN_NONE 0 | |
| 28 | #define PIN_OBJECT_NS 1 | |
| 29 | #define PIN_GLOBAL_NS 2 | |
| 30 | ||
| 6256f8c9 DB |
31 | /* ELF map definition */ |
| 32 | struct bpf_elf_map { | |
| 33 | __u32 type; | |
| 34 | __u32 size_key; | |
| 35 | __u32 size_value; | |
| 36 | __u32 max_elem; | |
| 4dd3f50a | 37 | __u32 flags; |
| 6256f8c9 | 38 | __u32 id; |
| f6793eec | 39 | __u32 pinning; |
| 612ff099 DB |
40 | __u32 inner_id; |
| 41 | __u32 inner_idx; | |
| 6256f8c9 DB |
42 | }; |
| 43 | ||
| f823f360 DB |
44 | #define BPF_ANNOTATE_KV_PAIR(name, type_key, type_val) \ |
| 45 | struct ____btf_map_##name { \ | |
| 46 | type_key key; \ | |
| 47 | type_val value; \ | |
| 48 | }; \ | |
| 49 | struct ____btf_map_##name \ | |
| 50 | __attribute__ ((section(".maps." #name), used)) \ | |
| 51 | ____btf_map_##name = { } | |
| 52 | ||
| 6256f8c9 | 53 | #endif /* __BPF_ELF__ */ |