11 unsigned int key_size;
12 unsigned int value_size;
13 unsigned int max_entries;
14 unsigned int map_flags;
15 unsigned int inner_map_idx;
16 unsigned int numa_node;
23 struct bpf_map_def def;
26 typedef void (*fixup_map_cb)(struct bpf_map_data *map, int idx);
28 extern int prog_fd[MAX_PROGS];
29 extern int event_fd[MAX_PROGS];
30 extern char bpf_log_buf[BPF_LOG_BUF_SIZE];
33 /* There is a one-to-one mapping between map_fd[] and map_data[].
34 * The map_data[] just contains more rich info on the given map.
36 extern int map_fd[MAX_MAPS];
37 extern struct bpf_map_data map_data[MAX_MAPS];
38 extern int map_data_count;
40 /* parses elf file compiled by llvm .c->.o
41 * . parses 'maps' section and creates maps via BPF syscall
42 * . parses 'license' section and passes it to syscall
43 * . parses elf relocations for BPF maps and adjusts BPF_LD_IMM64 insns by
44 * storing map_fd into insn->imm and marking such insns as BPF_PSEUDO_MAP_FD
45 * . loads eBPF programs via BPF syscall
47 * One ELF file can contain multiple BPF programs which will be loaded
48 * and their FDs stored stored in prog_fd array
50 * returns zero on success
52 int load_bpf_file(char *path);
53 int load_bpf_file_fixup_map(const char *path, fixup_map_cb fixup_map);
55 void read_trace_pipe(void);
61 int load_kallsyms(void);
62 struct ksym *ksym_search(long key);
63 int set_link_xdp_fd(int ifindex, int fd, __u32 flags);