diff options
| author |   Roberto Sassu <roberto.sassu@huawei.com> | 2022-09-20 09:59:43 +0200 |
|---|---|---|
| committer |   Alexei Starovoitov <ast@kernel.org> | 2022-09-21 17:32:48 -0700 |
| commit | 51df4865718540f51bb5d3e552c50dc88e1333d6 (patch) | |
| tree | 9a5ecd3ae2c7afae7fd817661bb022a180c6153f /include/linux | |
| parent | btf: Allow dynamic pointer parameters in kfuncs (diff) | |
| download | linux-dev-51df4865718540f51bb5d3e552c50dc88e1333d6.tar.xz linux-dev-51df4865718540f51bb5d3e552c50dc88e1333d6.zip | |
bpf: Export bpf_dynptr_get_size()
Export bpf_dynptr_get_size(), so that kernel code dealing with eBPF dynamic
pointers can obtain the real size of data carried by this data structure.
Signed-off-by: Roberto Sassu <roberto.sassu@huawei.com>
Reviewed-by: Joanne Koong <joannelkoong@gmail.com>
Acked-by: KP Singh <kpsingh@kernel.org>
Acked-by: Kumar Kartikeya Dwivedi <memxor@gmail.com>
Link: https://lore.kernel.org/r/20220920075951.929132-6-roberto.sassu@huaweicloud.com
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Diffstat (limited to 'include/linux')
| -rw-r--r-- | include/linux/bpf.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/include/linux/bpf.h b/include/linux/bpf.h index 33e543b86e1a..6535fb1e21b9 100644 --- a/include/linux/bpf.h +++ b/include/linux/bpf.h @@ -2654,6 +2654,7 @@ void bpf_dynptr_init(struct bpf_dynptr_kern *ptr, void *data, enum bpf_dynptr_type type, u32 offset, u32 size); void bpf_dynptr_set_null(struct bpf_dynptr_kern *ptr); int bpf_dynptr_check_size(u32 size); +u32 bpf_dynptr_get_size(struct bpf_dynptr_kern *ptr); #ifdef CONFIG_BPF_LSM void bpf_cgroup_atype_get(u32 attach_btf_id, int cgroup_atype); |