diff options
Diffstat (limited to 'tools/testing/selftests/bpf/testing_helpers.c')
| -rw-r--r-- | tools/testing/selftests/bpf/testing_helpers.c | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/tools/testing/selftests/bpf/testing_helpers.c b/tools/testing/selftests/bpf/testing_helpers.c index 800d503e5cb4..ef61d43adfe4 100644 --- a/tools/testing/selftests/bpf/testing_helpers.c +++ b/tools/testing/selftests/bpf/testing_helpers.c @@ -1,7 +1,11 @@ // SPDX-License-Identifier: (LGPL-2.1 OR BSD-2-Clause) +/* Copyright (C) 2019 Netronome Systems, Inc. */ /* Copyright (C) 2020 Facebook, Inc. */ #include <stdlib.h> +#include <string.h> #include <errno.h> +#include <bpf/bpf.h> +#include <bpf/libbpf.h> #include "testing_helpers.h" int parse_num_list(const char *s, bool **num_set, int *num_set_len) @@ -78,3 +82,54 @@ __u32 link_info_prog_id(const struct bpf_link *link, struct bpf_link_info *info) } return info->prog_id; } + +int extra_prog_load_log_flags = 0; + +int bpf_prog_test_load(const char *file, enum bpf_prog_type type, + struct bpf_object **pobj, int *prog_fd) +{ + struct bpf_object *obj; + struct bpf_program *prog; + int err; + + obj = bpf_object__open(file); + if (!obj) + return -errno; + + prog = bpf_object__next_program(obj, NULL); + if (!prog) { + err = -ENOENT; + goto err_out; + } + + if (type != BPF_PROG_TYPE_UNSPEC) + bpf_program__set_type(prog, type); + + err = bpf_object__load(obj); + if (err) + goto err_out; + + *pobj = obj; + *prog_fd = bpf_program__fd(prog); + + return 0; +err_out: + bpf_object__close(obj); + return err; +} + +int bpf_test_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) +{ + LIBBPF_OPTS(bpf_prog_load_opts, opts, + .kern_version = kern_version, + .prog_flags = BPF_F_TEST_RND_HI32, + .log_level = extra_prog_load_log_flags, + .log_buf = log_buf, + .log_size = log_buf_sz, + ); + + return bpf_prog_load(type, NULL, license, insns, insns_cnt, &opts); +} |