diff options
| author | Kui-Feng Lee <thinker.li@gmail.com> | 2024-01-19 14:50:02 -0800 |
|---|---|---|
| committer | Martin KaFai Lau <martin.lau@kernel.org> | 2024-01-23 17:12:46 -0800 |
| commit | f6be98d19985411ca1f3d53413d94d5b7f41c200 (patch) | |
| tree | 42992e3ac7a76fbb27a46dabeb2bf93ca7dc6f61 /include/linux/btf.h | |
| parent | 612d087d4ba54cef47946e22e5dabad762dd7ed5 (diff) | |
bpf, net: switch to dynamic registration
Replace the static list of struct_ops types with per-btf struct_ops_tab to
enable dynamic registration.
Both bpf_dummy_ops and bpf_tcp_ca now utilize the registration function
instead of being listed in bpf_struct_ops_types.h.
Cc: netdev@vger.kernel.org
Signed-off-by: Kui-Feng Lee <thinker.li@gmail.com>
Link: https://lore.kernel.org/r/20240119225005.668602-12-thinker.li@gmail.com
Signed-off-by: Martin KaFai Lau <martin.lau@kernel.org>
Diffstat (limited to 'include/linux/btf.h')
| -rw-r--r-- | include/linux/btf.h | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/include/linux/btf.h b/include/linux/btf.h index 932af1680bb5..1ee8977b8c95 100644 --- a/include/linux/btf.h +++ b/include/linux/btf.h @@ -497,6 +497,18 @@ static inline void *btf_id_set8_contains(const struct btf_id_set8 *set, u32 id) struct bpf_verifier_log; +#if defined(CONFIG_BPF_JIT) && defined(CONFIG_BPF_SYSCALL) +struct bpf_struct_ops; +int __register_bpf_struct_ops(struct bpf_struct_ops *st_ops); +const struct bpf_struct_ops_desc *bpf_struct_ops_find_value(struct btf *btf, u32 value_id); +const struct bpf_struct_ops_desc *bpf_struct_ops_find(struct btf *btf, u32 type_id); +#else +static inline const struct bpf_struct_ops_desc *bpf_struct_ops_find(struct btf *btf, u32 type_id) +{ + return NULL; +} +#endif + #ifdef CONFIG_BPF_SYSCALL const struct btf_type *btf_type_by_id(const struct btf *btf, u32 type_id); const char *btf_name_by_offset(const struct btf *btf, u32 offset); |