mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
synced 2024-11-24 11:50:52 +07:00
b259c2ffd9
Use bpf_set_link_xdp_fd instead of set_link_xdp_fd to remove some code duplication and benefit of netlink ext ack errors message. Signed-off-by: Eric Leblond <eric@regit.org> Signed-off-by: Alexei Starovoitov <ast@kernel.org>
66 lines
1.6 KiB
C
66 lines
1.6 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
|
|
#ifndef __BPF_LOAD_H
|
|
#define __BPF_LOAD_H
|
|
|
|
#include "libbpf.h"
|
|
|
|
#define MAX_MAPS 32
|
|
#define MAX_PROGS 32
|
|
|
|
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;
|
|
unsigned int numa_node;
|
|
};
|
|
|
|
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
|
|
* . parses elf relocations for BPF maps and adjusts BPF_LD_IMM64 insns by
|
|
* storing map_fd into insn->imm and marking such insns as BPF_PSEUDO_MAP_FD
|
|
* . loads eBPF programs via BPF syscall
|
|
*
|
|
* One ELF file can contain multiple BPF programs which will be loaded
|
|
* and their FDs stored stored in prog_fd array
|
|
*
|
|
* 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 {
|
|
long addr;
|
|
char *name;
|
|
};
|
|
|
|
int load_kallsyms(void);
|
|
struct ksym *ksym_search(long key);
|
|
int bpf_set_link_xdp_fd(int ifindex, int fd, __u32 flags);
|
|
#endif
|