diff options
Diffstat (limited to 'include/linux')
| -rw-r--r-- | include/linux/bpf.h | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/include/linux/bpf.h b/include/linux/bpf.h index 492edd2c5713..24310837bafc 100644 --- a/include/linux/bpf.h +++ b/include/linux/bpf.h @@ -160,8 +160,14 @@ enum { BPF_MAP_VALUE_OFF_MAX = 8, }; +enum bpf_kptr_type { + BPF_KPTR_UNREF, + BPF_KPTR_REF, +}; + struct bpf_map_value_off_desc { u32 offset; + enum bpf_kptr_type type; struct { struct btf *btf; u32 btf_id; @@ -418,6 +424,7 @@ enum bpf_arg_type { ARG_PTR_TO_STACK, /* pointer to stack */ ARG_PTR_TO_CONST_STR, /* pointer to a null terminated read-only string */ ARG_PTR_TO_TIMER, /* pointer to bpf_timer */ + ARG_PTR_TO_KPTR, /* pointer to referenced kptr */ __BPF_ARG_TYPE_MAX, /* Extended arg_types. */ @@ -427,6 +434,7 @@ enum bpf_arg_type { ARG_PTR_TO_SOCKET_OR_NULL = PTR_MAYBE_NULL | ARG_PTR_TO_SOCKET, ARG_PTR_TO_ALLOC_MEM_OR_NULL = PTR_MAYBE_NULL | ARG_PTR_TO_ALLOC_MEM, ARG_PTR_TO_STACK_OR_NULL = PTR_MAYBE_NULL | ARG_PTR_TO_STACK, + ARG_PTR_TO_BTF_ID_OR_NULL = PTR_MAYBE_NULL | ARG_PTR_TO_BTF_ID, /* This must be the last entry. Its purpose is to ensure the enum is * wide enough to hold the higher bits reserved for bpf_type_flag. |