diff options
Diffstat (limited to 'samples/bpf/bpf_load.h')
| -rw-r--r-- | samples/bpf/bpf_load.h | 29 |
1 files changed, 27 insertions, 2 deletions
diff --git a/samples/bpf/bpf_load.h b/samples/bpf/bpf_load.h index c827827299b3..ca0563d04744 100644 --- a/samples/bpf/bpf_load.h +++ b/samples/bpf/bpf_load.h @@ -6,12 +6,36 @@ #define MAX_MAPS 32 #define MAX_PROGS 32 -extern int map_fd[MAX_MAPS]; +struct bpf_map_def { + unsigned int type; + unsigned int key_size; + unsigned int value_size; + unsigned int max_entries; + unsigned int map_flags; + unsigned int inner_map_idx; +}; + +struct bpf_map_data { + int fd; + char *name; + size_t elf_offset; + struct bpf_map_def def; +}; + +typedef void (*fixup_map_cb)(struct bpf_map_data *map, int idx); + extern int prog_fd[MAX_PROGS]; extern int event_fd[MAX_PROGS]; extern char bpf_log_buf[BPF_LOG_BUF_SIZE]; extern int prog_cnt; +/* There is a one-to-one mapping between map_fd[] and map_data[]. + * The map_data[] just contains more rich info on the given map. + */ +extern int map_fd[MAX_MAPS]; +extern struct bpf_map_data map_data[MAX_MAPS]; +extern int map_data_count; + /* parses elf file compiled by llvm .c->.o * . parses 'maps' section and creates maps via BPF syscall * . parses 'license' section and passes it to syscall @@ -25,6 +49,7 @@ extern int prog_cnt; * returns zero on success */ int load_bpf_file(char *path); +int load_bpf_file_fixup_map(const char *path, fixup_map_cb fixup_map); void read_trace_pipe(void); struct ksym { @@ -34,5 +59,5 @@ struct ksym { int load_kallsyms(void); struct ksym *ksym_search(long key); -int set_link_xdp_fd(int ifindex, int fd); +int set_link_xdp_fd(int ifindex, int fd, __u32 flags); #endif |