diff options
| -rw-r--r-- | tools/lib/bpf/bpf.c | 22 | ||||
| -rw-r--r-- | tools/lib/bpf/bpf.h | 4 |
2 files changed, 26 insertions, 0 deletions
diff --git a/tools/lib/bpf/bpf.c b/tools/lib/bpf/bpf.c index 4fe444b80..6e17898 100644 --- a/tools/lib/bpf/bpf.c +++ b/tools/lib/bpf/bpf.c @@ -117,6 +117,28 @@ int bpf_load_program(enum bpf_prog_type type, const struct bpf_insn *insns, return sys_bpf(BPF_PROG_LOAD, &attr, sizeof(attr)); } +int bpf_verify_program(enum bpf_prog_type type, const struct bpf_insn *insns, + size_t insns_cnt, int strict_alignment, + const char *license, __u32 kern_version, + char *log_buf, size_t log_buf_sz) +{ + union bpf_attr attr; + + bzero(&attr, sizeof(attr)); + attr.prog_type = type; + attr.insn_cnt = (__u32)insns_cnt; + attr.insns = ptr_to_u64(insns); + attr.license = ptr_to_u64(license); + attr.log_buf = ptr_to_u64(log_buf); + attr.log_size = log_buf_sz; + attr.log_level = 2; + log_buf[0] = 0; + attr.kern_version = kern_version; + attr.prog_flags = strict_alignment ? BPF_F_STRICT_ALIGNMENT : 0; + + return sys_bpf(BPF_PROG_LOAD, &attr, sizeof(attr)); +} + int bpf_map_update_elem(int fd, const void *key, const void *value, __u64 flags) { diff --git a/tools/lib/bpf/bpf.h b/tools/lib/bpf/bpf.h index edb4dae..972bd83 100644 --- a/tools/lib/bpf/bpf.h +++ b/tools/lib/bpf/bpf.h @@ -35,6 +35,10 @@ int bpf_load_program(enum bpf_prog_type type, const struct bpf_insn *insns, size_t insns_cnt, const char *license, __u32 kern_version, char *log_buf, size_t log_buf_sz); +int bpf_verify_program(enum bpf_prog_type type, const struct bpf_insn *insns, + size_t insns_cnt, int strict_alignment, + const char *license, __u32 kern_version, + char *log_buf, size_t log_buf_sz); int bpf_map_update_elem(int fd, const void *key, const void *value, __u64 flags); |
