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-rw-r--r--include/linux/bpf.h11
1 files changed, 10 insertions, 1 deletions
diff --git a/include/linux/bpf.h b/include/linux/bpf.h
index 1bcbf0a71f75..deca4e7f2845 100644
--- a/include/linux/bpf.h
+++ b/include/linux/bpf.h
@@ -149,6 +149,15 @@ enum bpf_reg_type {
struct bpf_prog;
+/* The information passed from prog-specific *_is_valid_access
+ * back to the verifier.
+ */
+struct bpf_insn_access_aux {
+ enum bpf_reg_type reg_type;
+ int ctx_field_size;
+ int converted_op_size;
+};
+
struct bpf_verifier_ops {
/* return eBPF function prototype for verification */
const struct bpf_func_proto *(*get_func_proto)(enum bpf_func_id func_id);
@@ -157,7 +166,7 @@ struct bpf_verifier_ops {
* with 'type' (read or write) is allowed
*/
bool (*is_valid_access)(int off, int size, enum bpf_access_type type,
- enum bpf_reg_type *reg_type, int *ctx_field_size);
+ struct bpf_insn_access_aux *info);
int (*gen_prologue)(struct bpf_insn *insn, bool direct_write,
const struct bpf_prog *prog);
u32 (*convert_ctx_access)(enum bpf_access_type type,