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Diffstat (limited to 'tools/lib/bpf/libbpf_errno.c')
-rw-r--r--tools/lib/bpf/libbpf_errno.c75
1 files changed, 0 insertions, 75 deletions
diff --git a/tools/lib/bpf/libbpf_errno.c b/tools/lib/bpf/libbpf_errno.c
deleted file mode 100644
index 6b180172ec6b..000000000000
--- a/tools/lib/bpf/libbpf_errno.c
+++ /dev/null
@@ -1,75 +0,0 @@
-// SPDX-License-Identifier: (LGPL-2.1 OR BSD-2-Clause)
-
-/*
- * Copyright (C) 2013-2015 Alexei Starovoitov <ast@kernel.org>
- * Copyright (C) 2015 Wang Nan <wangnan0@huawei.com>
- * Copyright (C) 2015 Huawei Inc.
- * Copyright (C) 2017 Nicira, Inc.
- */
-
-#undef _GNU_SOURCE
-#include <stdio.h>
-#include <string.h>
-
-#include "libbpf.h"
-#include "libbpf_internal.h"
-
-/* make sure libbpf doesn't use kernel-only integer typedefs */
-#pragma GCC poison u8 u16 u32 u64 s8 s16 s32 s64
-
-#define ERRNO_OFFSET(e) ((e) - __LIBBPF_ERRNO__START)
-#define ERRCODE_OFFSET(c) ERRNO_OFFSET(LIBBPF_ERRNO__##c)
-#define NR_ERRNO (__LIBBPF_ERRNO__END - __LIBBPF_ERRNO__START)
-
-static const char *libbpf_strerror_table[NR_ERRNO] = {
- [ERRCODE_OFFSET(LIBELF)] = "Something wrong in libelf",
- [ERRCODE_OFFSET(FORMAT)] = "BPF object format invalid",
- [ERRCODE_OFFSET(KVERSION)] = "'version' section incorrect or lost",
- [ERRCODE_OFFSET(ENDIAN)] = "Endian mismatch",
- [ERRCODE_OFFSET(INTERNAL)] = "Internal error in libbpf",
- [ERRCODE_OFFSET(RELOC)] = "Relocation failed",
- [ERRCODE_OFFSET(VERIFY)] = "Kernel verifier blocks program loading",
- [ERRCODE_OFFSET(PROG2BIG)] = "Program too big",
- [ERRCODE_OFFSET(KVER)] = "Incorrect kernel version",
- [ERRCODE_OFFSET(PROGTYPE)] = "Kernel doesn't support this program type",
- [ERRCODE_OFFSET(WRNGPID)] = "Wrong pid in netlink message",
- [ERRCODE_OFFSET(INVSEQ)] = "Invalid netlink sequence",
- [ERRCODE_OFFSET(NLPARSE)] = "Incorrect netlink message parsing",
-};
-
-int libbpf_strerror(int err, char *buf, size_t size)
-{
- int ret;
-
- if (!buf || !size)
- return libbpf_err(-EINVAL);
-
- err = err > 0 ? err : -err;
-
- if (err < __LIBBPF_ERRNO__START) {
- ret = strerror_r(err, buf, size);
- buf[size - 1] = '\0';
- return libbpf_err_errno(ret);
- }
-
- if (err < __LIBBPF_ERRNO__END) {
- const char *msg;
-
- msg = libbpf_strerror_table[ERRNO_OFFSET(err)];
- ret = snprintf(buf, size, "%s", msg);
- buf[size - 1] = '\0';
- /* The length of the buf and msg is positive.
- * A negative number may be returned only when the
- * size exceeds INT_MAX. Not likely to appear.
- */
- if (ret >= size)
- return libbpf_err(-ERANGE);
- return 0;
- }
-
- ret = snprintf(buf, size, "Unknown libbpf error %d", err);
- buf[size - 1] = '\0';
- if (ret >= size)
- return libbpf_err(-ERANGE);
- return libbpf_err(-ENOENT);
-}