1 // SPDX-License-Identifier: (LGPL-2.1 OR BSD-2-Clause)
15 #include <linux/version.h>
26  *   Ubuntu 5.4.0-12.15-generic 5.4.8
34 	__u32 major, minor, patch;  in get_ubuntu_kernel_version()  local
45 	ret = fscanf(f, "%*s %*s %u.%u.%u\n", &major, &minor, &patch);  in get_ubuntu_kernel_version()
50 	return KERNEL_VERSION(major, minor, patch);  in get_ubuntu_kernel_version()
54  * Instead, it is provided in info.version. An example content of
57  *   utsname::release   4.19.0-22-amd64
58  *   utsname::version   #1 SMP Debian 4.19.260-1 (2022-09-29)
65 	__u32 major, minor, patch;  in get_debian_kernel_version()  local
68 	p = strstr(info->version, "Debian ");  in get_debian_kernel_version()
74 	if (sscanf(p, "Debian %u.%u.%u", &major, &minor, &patch) != 3)  in get_debian_kernel_version()
77 	return KERNEL_VERSION(major, minor, patch);  in get_debian_kernel_version()
82 	__u32 major, minor, patch, version;  in get_kernel_version()  local
86 	version = get_ubuntu_kernel_version();  in get_kernel_version()
87 	if (version != 0)  in get_kernel_version()
88 		return version;  in get_kernel_version()
93 	version = get_debian_kernel_version(&info);  in get_kernel_version()
94 	if (version != 0)  in get_kernel_version()
95 		return version;  in get_kernel_version()
97 	if (sscanf(info.release, "%u.%u.%u", &major, &minor, &patch) != 3)  in get_kernel_version()
100 	return KERNEL_VERSION(major, minor, patch);  in get_kernel_version()
143 		exp_err = -EINVAL;  in probe_prog_load()
152 		exp_err = -EINVAL;  in probe_prog_load()
159 		exp_err = -524; /* -ENOTSUPP */  in probe_prog_load()
188 		return -EOPNOTSUPP;  in probe_prog_load()
192 	err = -errno;  in probe_prog_load()
215 		return libbpf_err(-EINVAL);  in libbpf_probe_bpf_prog_type()
226 		.version = BTF_VERSION,  in libbpf__load_raw_btf()
238 		return -ENOMEM;  in libbpf__load_raw_btf()
282 	int fd = -1, btf_fd = -1, fd_inner = -1, exp_err = 0, err = 0;  in probe_map_create()
327 		/* we'll get -ENOTSUPP for invalid BTF type ID for struct_ops */  in probe_map_create()
329 		exp_err = -524; /* -ENOTSUPP */  in probe_map_create()
356 		return -EOPNOTSUPP;  in probe_map_create()
376 	err = -errno;  in probe_map_create()
397 		return libbpf_err(-EINVAL);  in libbpf_probe_bpf_map_type()
415 		return libbpf_err(-EINVAL);  in libbpf_probe_bpf_helper()
418 	 * support, so bail out with -EOPNOTSUPP error  in libbpf_probe_bpf_helper()
425 		return -EOPNOTSUPP;  in libbpf_probe_bpf_helper()