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-rw-r--r--tools/lib/bpf/bpf.c22
1 files changed, 22 insertions, 0 deletions
diff --git a/tools/lib/bpf/bpf.c b/tools/lib/bpf/bpf.c
index 4fe444b8092e..6e178987af8e 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,
117 return sys_bpf(BPF_PROG_LOAD, &attr, sizeof(attr)); 117 return sys_bpf(BPF_PROG_LOAD, &attr, sizeof(attr));
118} 118}
119 119
120int bpf_verify_program(enum bpf_prog_type type, const struct bpf_insn *insns,
121 size_t insns_cnt, int strict_alignment,
122 const char *license, __u32 kern_version,
123 char *log_buf, size_t log_buf_sz)
124{
125 union bpf_attr attr;
126
127 bzero(&attr, sizeof(attr));
128 attr.prog_type = type;
129 attr.insn_cnt = (__u32)insns_cnt;
130 attr.insns = ptr_to_u64(insns);
131 attr.license = ptr_to_u64(license);
132 attr.log_buf = ptr_to_u64(log_buf);
133 attr.log_size = log_buf_sz;
134 attr.log_level = 2;
135 log_buf[0] = 0;
136 attr.kern_version = kern_version;
137 attr.prog_flags = strict_alignment ? BPF_F_STRICT_ALIGNMENT : 0;
138
139 return sys_bpf(BPF_PROG_LOAD, &attr, sizeof(attr));
140}
141
120int bpf_map_update_elem(int fd, const void *key, const void *value, 142int bpf_map_update_elem(int fd, const void *key, const void *value,
121 __u64 flags) 143 __u64 flags)
122{ 144{