Revert BPF token-related functionality

This patch includes the following revert (one  conflicting BPF FS
patch and three token patch sets, represented by merge commits):
  - revert 0f5d5454c723 "Merge branch 'bpf-fs-mount-options-parsing-follow-ups'";
  - revert 750e785796bb "bpf: Support uid and gid when mounting bpffs";
  - revert 733763285acf "Merge branch 'bpf-token-support-in-libbpf-s-bpf-object'";
  - revert c35919dcce28 "Merge branch 'bpf-token-and-bpf-fs-based-delegation'".

Link: https://lore.kernel.org/bpf/CAHk-=wg7JuFYwGy=GOMbRCtOL+jwSQsdUaBsRWkDVYbxipbM5A@mail.gmail.com
Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
This commit is contained in:
Andrii Nakryiko
2023-12-19 07:37:35 -08:00
committed by Andrii Nakryiko
parent 43e7309228
commit c65b319c04
12 changed files with 477 additions and 782 deletions

View File

@@ -51,11 +51,8 @@ struct bpf_map_create_opts {
__u32 numa_node;
__u32 map_ifindex;
__u32 token_fd;
size_t :0;
};
#define bpf_map_create_opts__last_field token_fd
#define bpf_map_create_opts__last_field map_ifindex
LIBBPF_API int bpf_map_create(enum bpf_map_type map_type,
const char *map_name,
@@ -105,10 +102,9 @@ struct bpf_prog_load_opts {
* If kernel doesn't support this feature, log_size is left unchanged.
*/
__u32 log_true_size;
__u32 token_fd;
size_t :0;
};
#define bpf_prog_load_opts__last_field token_fd
#define bpf_prog_load_opts__last_field log_true_size
LIBBPF_API int bpf_prog_load(enum bpf_prog_type prog_type,
const char *prog_name, const char *license,
@@ -134,10 +130,9 @@ struct bpf_btf_load_opts {
* If kernel doesn't support this feature, log_size is left unchanged.
*/
__u32 log_true_size;
__u32 token_fd;
size_t :0;
};
#define bpf_btf_load_opts__last_field token_fd
#define bpf_btf_load_opts__last_field log_true_size
LIBBPF_API int bpf_btf_load(const void *btf_data, size_t btf_size,
struct bpf_btf_load_opts *opts);
@@ -645,30 +640,6 @@ struct bpf_test_run_opts {
LIBBPF_API int bpf_prog_test_run_opts(int prog_fd,
struct bpf_test_run_opts *opts);
struct bpf_token_create_opts {
size_t sz; /* size of this struct for forward/backward compatibility */
__u32 flags;
size_t :0;
};
#define bpf_token_create_opts__last_field flags
/**
* @brief **bpf_token_create()** creates a new instance of BPF token derived
* from specified BPF FS mount point.
*
* BPF token created with this API can be passed to bpf() syscall for
* commands like BPF_PROG_LOAD, BPF_MAP_CREATE, etc.
*
* @param bpffs_fd FD for BPF FS instance from which to derive a BPF token
* instance.
* @param opts optional BPF token creation options, can be NULL
*
* @return BPF token FD > 0, on success; negative error code, otherwise (errno
* is also set to the error code)
*/
LIBBPF_API int bpf_token_create(int bpffs_fd,
struct bpf_token_create_opts *opts);
#ifdef __cplusplus
} /* extern "C" */
#endif