diff options
Diffstat (limited to 'kernel/bpf/test_stub.c')
| -rw-r--r-- | kernel/bpf/test_stub.c | 78 | 
1 files changed, 0 insertions, 78 deletions
diff --git a/kernel/bpf/test_stub.c b/kernel/bpf/test_stub.c deleted file mode 100644 index 0ceae1e6e8b5..000000000000 --- a/kernel/bpf/test_stub.c +++ /dev/null @@ -1,78 +0,0 @@ -/* Copyright (c) 2011-2014 PLUMgrid, http://plumgrid.com - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of version 2 of the GNU General Public - * License as published by the Free Software Foundation. - */ -#include <linux/kernel.h> -#include <linux/types.h> -#include <linux/slab.h> -#include <linux/err.h> -#include <linux/bpf.h> - -/* test stubs for BPF_MAP_TYPE_UNSPEC and for BPF_PROG_TYPE_UNSPEC - * to be used by user space verifier testsuite - */ -struct bpf_context { -	u64 arg1; -	u64 arg2; -}; - -static const struct bpf_func_proto *test_func_proto(enum bpf_func_id func_id) -{ -	switch (func_id) { -	case BPF_FUNC_map_lookup_elem: -		return &bpf_map_lookup_elem_proto; -	case BPF_FUNC_map_update_elem: -		return &bpf_map_update_elem_proto; -	case BPF_FUNC_map_delete_elem: -		return &bpf_map_delete_elem_proto; -	default: -		return NULL; -	} -} - -static const struct bpf_context_access { -	int size; -	enum bpf_access_type type; -} test_ctx_access[] = { -	[offsetof(struct bpf_context, arg1)] = { -		FIELD_SIZEOF(struct bpf_context, arg1), -		BPF_READ -	}, -	[offsetof(struct bpf_context, arg2)] = { -		FIELD_SIZEOF(struct bpf_context, arg2), -		BPF_READ -	}, -}; - -static bool test_is_valid_access(int off, int size, enum bpf_access_type type) -{ -	const struct bpf_context_access *access; - -	if (off < 0 || off >= ARRAY_SIZE(test_ctx_access)) -		return false; - -	access = &test_ctx_access[off]; -	if (access->size == size && (access->type & type)) -		return true; - -	return false; -} - -static struct bpf_verifier_ops test_ops = { -	.get_func_proto = test_func_proto, -	.is_valid_access = test_is_valid_access, -}; - -static struct bpf_prog_type_list tl_prog = { -	.ops = &test_ops, -	.type = BPF_PROG_TYPE_UNSPEC, -}; - -static int __init register_test_ops(void) -{ -	bpf_register_prog_type(&tl_prog); -	return 0; -} -late_initcall(register_test_ops);  |