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bpf: sync with latest bpf-next tree (#5)

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sync with latest bpf-next tree.
the include/linux/filter.h is created as libbpf.c tries
to use various insn define macros.

Signed-off-by: Yonghong Song <yhs@fb.com>
This commit is contained in:
yonghong-song
2018-11-26 14:32:21 -08:00
committed by GitHub
parent 319ff2f0f6
commit 556e0a0def
11 changed files with 1173 additions and 112 deletions
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15
src/bpf.h
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@@ -27,6 +27,10 @@
#include <stdbool.h>
#include <stddef.h>
#ifdef __cplusplus
extern "C" {
#endif
#ifndef LIBBPF_API
#define LIBBPF_API __attribute__((visibility("default")))
#endif
@@ -74,6 +78,10 @@ struct bpf_load_program_attr {
const char *license;
__u32 kern_version;
__u32 prog_ifindex;
__u32 prog_btf_fd;
__u32 func_info_rec_size;
const void *func_info;
__u32 func_info_cnt;
};
/* Flags to direct loading requirements */
@@ -99,6 +107,8 @@ LIBBPF_API int bpf_map_update_elem(int fd, const void *key, const void *value,
__u64 flags);
LIBBPF_API int bpf_map_lookup_elem(int fd, const void *key, void *value);
LIBBPF_API int bpf_map_lookup_and_delete_elem(int fd, const void *key,
void *value);
LIBBPF_API int bpf_map_delete_elem(int fd, const void *key);
LIBBPF_API int bpf_map_get_next_key(int fd, const void *key, void *next_key);
LIBBPF_API int bpf_obj_pin(int fd, const char *pathname);
@@ -126,4 +136,9 @@ LIBBPF_API int bpf_load_btf(void *btf, __u32 btf_size, char *log_buf,
LIBBPF_API int bpf_task_fd_query(int pid, int fd, __u32 flags, char *buf,
__u32 *buf_len, __u32 *prog_id, __u32 *fd_type,
__u64 *probe_offset, __u64 *probe_addr);
#ifdef __cplusplus
} /* extern "C" */
#endif
#endif /* __LIBBPF_BPF_H */