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| author |   Kui-Feng Lee <thinker.li@gmail.com> | 2024-02-08 18:37:47 -0800 |
|---|---|---|
| committer |   Martin KaFai Lau <martin.lau@kernel.org> | 2024-02-13 15:16:44 -0800 |
| commit | 77c0208e199ccb0986fb3612f2409c8cdcb036ad (patch) | |
| tree | f8b3520a1efab15f6e766f7f559887c2964606f5 | |
| parent | bpf, docs: Update ISA document title (diff) | |
| download | wireguard-linux-77c0208e199ccb0986fb3612f2409c8cdcb036ad.tar.xz wireguard-linux-77c0208e199ccb0986fb3612f2409c8cdcb036ad.zip | |
bpf: add btf pointer to struct bpf_ctx_arg_aux.
Enable the providers to use types defined in a module instead of in the
kernel (btf_vmlinux).
Signed-off-by: Kui-Feng Lee <thinker.li@gmail.com>
Link: https://lore.kernel.org/r/20240209023750.1153905-2-thinker.li@gmail.com
Signed-off-by: Martin KaFai Lau <martin.lau@kernel.org>
| -rw-r--r-- | include/linux/bpf.h | 1 | ||||
| -rw-r--r-- | kernel/bpf/btf.c | 2 |
2 files changed, 2 insertions, 1 deletions
diff --git a/include/linux/bpf.h b/include/linux/bpf.h index 1ebbee1d648e..3b7836f0a83e 100644 --- a/include/linux/bpf.h +++ b/include/linux/bpf.h @@ -1415,6 +1415,7 @@ struct bpf_jit_poke_descriptor { struct bpf_ctx_arg_aux { u32 offset; enum bpf_reg_type reg_type; + struct btf *btf; u32 btf_id; }; diff --git a/kernel/bpf/btf.c b/kernel/bpf/btf.c index 8e06d29961f1..cf100b5573ca 100644 --- a/kernel/bpf/btf.c +++ b/kernel/bpf/btf.c @@ -6266,7 +6266,7 @@ bool btf_ctx_access(int off, int size, enum bpf_access_type type, } info->reg_type = ctx_arg_info->reg_type; - info->btf = btf_vmlinux; + info->btf = ctx_arg_info->btf ? : btf_vmlinux; info->btf_id = ctx_arg_info->btf_id; return true; } |