[PATCH] Add skb_store_bytes() for BPF_PROG_TYPE_CGROUP_SKB
flat view
STALE1739d
From: Tyler Wear <hidden>
Date: 2021-12-22 02:29:03
Also in:
bpf
Subsystem:
bpf [general] (safe dynamic programs and tools), bpf [networking] (tcx & tc bpf, sock_addr), networking [general], the rest · Maintainers:
Alexei Starovoitov, Daniel Borkmann, Andrii Nakryiko, Eduard Zingerman, Kumar Kartikeya Dwivedi, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds
Need to modify the ds field to support upcoming Wifi QoS Alliance spec. Instead of adding generic function for just modifying the ds field, add skb_store_bytes for BPF_PROG_TYPE_CGROUP_SKB. This allows other fields in the network and transport header to be modified in the future. Signed-off-by: Tyler Wear <redacted> --- net/core/filter.c | 2 ++ 1 file changed, 2 insertions(+)
diff --git a/net/core/filter.c b/net/core/filter.c
index 6102f093d59a..0c25aa2212a2 100644
--- a/net/core/filter.c
+++ b/net/core/filter.c@@ -7289,6 +7289,8 @@ static const struct bpf_func_proto * cg_skb_func_proto(enum bpf_func_id func_id, const struct bpf_prog *prog) { switch (func_id) { + case BPF_FUNC_skb_store_bytes: + return &bpf_skb_store_bytes_proto; case BPF_FUNC_get_local_storage: return &bpf_get_local_storage_proto; case BPF_FUNC_sk_fullsock:
--
2.17.1