libbpf: remove deprecated low-level APIs

Drop low-level APIs as well as high-level (and very confusingly named)
BPF object loading bpf_prog_load_xattr() and bpf_prog_load_deprecated()
APIs.

Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Link: https://lore.kernel.org/r/20220627211527.2245459-3-andrii@kernel.org
Signed-off-by: Alexei Starovoitov <ast@kernel.org>

1 files changed, 0 insertions, 89 deletions

diff --git a/tools/lib/bpf/libbpf.c b/tools/lib/bpf/libbpf.c
index 335467ece75f..b11d3e689126 100644
--- a/tools/lib/bpf/libbpf.c
+++ b/tools/lib/bpf/libbpf.c
@@ -10205,95 +10205,6 @@ long libbpf_get_error(const void *ptr)
 	return -errno;
 }
 
-__attribute__((alias("bpf_prog_load_xattr2")))
-int bpf_prog_load_xattr(const struct bpf_prog_load_attr *attr,
-			struct bpf_object **pobj, int *prog_fd);
-
-static int bpf_prog_load_xattr2(const struct bpf_prog_load_attr *attr,
-				struct bpf_object **pobj, int *prog_fd)
-{
-	struct bpf_object_open_attr open_attr = {};
-	struct bpf_program *prog, *first_prog = NULL;
-	struct bpf_object *obj;
-	struct bpf_map *map;
-	int err;
-
-	if (!attr)
-		return libbpf_err(-EINVAL);
-	if (!attr->file)
-		return libbpf_err(-EINVAL);
-
-	open_attr.file = attr->file;
-	open_attr.prog_type = attr->prog_type;
-
-	obj = __bpf_object__open_xattr(&open_attr, 0);
-	err = libbpf_get_error(obj);
-	if (err)
-		return libbpf_err(-ENOENT);
-
-	bpf_object__for_each_program(prog, obj) {
-		enum bpf_attach_type attach_type = attr->expected_attach_type;
-		/*
-		 * to preserve backwards compatibility, bpf_prog_load treats
-		 * attr->prog_type, if specified, as an override to whatever
-		 * bpf_object__open guessed
-		 */
-		if (attr->prog_type != BPF_PROG_TYPE_UNSPEC) {
-			prog->type = attr->prog_type;
-			prog->expected_attach_type = attach_type;
-		}
-		if (bpf_program__type(prog) == BPF_PROG_TYPE_UNSPEC) {
-			/*
-			 * we haven't guessed from section name and user
-			 * didn't provide a fallback type, too bad...
-			 */
-			bpf_object__close(obj);
-			return libbpf_err(-EINVAL);
-		}
-
-		prog->prog_ifindex = attr->ifindex;
-		prog->log_level = attr->log_level;
-		prog->prog_flags |= attr->prog_flags;
-		if (!first_prog)
-			first_prog = prog;
-	}
-
-	bpf_object__for_each_map(map, obj) {
-		if (map->def.type != BPF_MAP_TYPE_PERF_EVENT_ARRAY)
-			map->map_ifindex = attr->ifindex;
-	}
-
-	if (!first_prog) {
-		pr_warn("object file doesn't contain bpf program\n");
-		bpf_object__close(obj);
-		return libbpf_err(-ENOENT);
-	}
-
-	err = bpf_object__load(obj);
-	if (err) {
-		bpf_object__close(obj);
-		return libbpf_err(err);
-	}
-
-	*pobj = obj;
-	*prog_fd = bpf_program__fd(first_prog);
-	return 0;
-}
-
-COMPAT_VERSION(bpf_prog_load_deprecated, bpf_prog_load, LIBBPF_0.0.1)
-int bpf_prog_load_deprecated(const char *file, enum bpf_prog_type type,
-			     struct bpf_object **pobj, int *prog_fd)
-{
-	struct bpf_prog_load_attr attr;
-
-	memset(&attr, 0, sizeof(struct bpf_prog_load_attr));
-	attr.file = file;
-	attr.prog_type = type;
-	attr.expected_attach_type = 0;
-
-	return bpf_prog_load_xattr2(&attr, pobj, prog_fd);
-}
-
 /* Replace link's underlying BPF program with the new one */
 int bpf_link__update_program(struct bpf_link *link, struct bpf_program *prog)
 {