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-rw-r--r--include/uapi/linux/bpf.h26
1 files changed, 26 insertions, 0 deletions
diff --git a/include/uapi/linux/bpf.h b/include/uapi/linux/bpf.h
index 395cabd2ca0a..424f442016e7 100644
--- a/include/uapi/linux/bpf.h
+++ b/include/uapi/linux/bpf.h
@@ -99,12 +99,23 @@ enum bpf_cmd {
* returns zero and stores next key or negative error
*/
BPF_MAP_GET_NEXT_KEY,
+
+ /* verify and load eBPF program
+ * prog_fd = bpf(BPF_PROG_LOAD, union bpf_attr *attr, u32 size)
+ * Using attr->prog_type, attr->insns, attr->license
+ * returns fd or negative error
+ */
+ BPF_PROG_LOAD,
};
enum bpf_map_type {
BPF_MAP_TYPE_UNSPEC,
};
+enum bpf_prog_type {
+ BPF_PROG_TYPE_UNSPEC,
+};
+
union bpf_attr {
struct { /* anonymous struct used by BPF_MAP_CREATE command */
__u32 map_type; /* one of enum bpf_map_type */
@@ -121,6 +132,21 @@ union bpf_attr {
__aligned_u64 next_key;
};
};
+
+ struct { /* anonymous struct used by BPF_PROG_LOAD command */
+ __u32 prog_type; /* one of enum bpf_prog_type */
+ __u32 insn_cnt;
+ __aligned_u64 insns;
+ __aligned_u64 license;
+ };
} __attribute__((aligned(8)));
+/* integer value in 'imm' field of BPF_CALL instruction selects which helper
+ * function eBPF program intends to call
+ */
+enum bpf_func_id {
+ BPF_FUNC_unspec,
+ __BPF_FUNC_MAX_ID,
+};
+
#endif /* _UAPI__LINUX_BPF_H__ */