| Daniel Borkmann | 6256f8c | 2015-04-01 17:57:44 +0200 | [diff] [blame] | 1 | #ifndef __BPF_ELF__ |
| 2 | #define __BPF_ELF__ |
| 3 | |
| 4 | #include <asm/types.h> |
| 5 | |
| 6 | /* Note: |
| 7 | * |
| 8 | * Below ELF section names and bpf_elf_map structure definition |
| 9 | * are not (!) kernel ABI. It's rather a "contract" between the |
| 10 | * application and the BPF loader in tc. For compatibility, the |
| 11 | * section names should stay as-is. Introduction of aliases, if |
| 12 | * needed, are a possibility, though. |
| 13 | */ |
| 14 | |
| 15 | /* ELF section names, etc */ |
| 16 | #define ELF_SECTION_LICENSE "license" |
| 17 | #define ELF_SECTION_MAPS "maps" |
| 18 | #define ELF_SECTION_CLASSIFIER "classifier" |
| 19 | #define ELF_SECTION_ACTION "action" |
| 20 | |
| 21 | #define ELF_MAX_MAPS 64 |
| 22 | #define ELF_MAX_LICENSE_LEN 128 |
| 23 | |
| 24 | /* ELF map definition */ |
| 25 | struct bpf_elf_map { |
| 26 | __u32 type; |
| 27 | __u32 size_key; |
| 28 | __u32 size_value; |
| 29 | __u32 max_elem; |
| 30 | __u32 id; |
| 31 | }; |
| 32 | |
| 33 | #endif /* __BPF_ELF__ */ |