[v5] save sched_data at mptcp_sock

[PATCH mptcp-next v5 16/18] bpf: Add subflow flags write access

Geliang Tang posted 18 patches 2 years, 8 months ago

Diff against v1 v2 v3 v3 v4
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Maintainers: Matthieu Baerts <matthieu.baerts@tessares.net>, Mat Martineau <martineau@kernel.org>, "David S. Miller" <davem@davemloft.net>, Eric Dumazet <edumazet@google.com>, Jakub Kicinski <kuba@kernel.org>, Paolo Abeni <pabeni@redhat.com>, Andrii Nakryiko <andrii@kernel.org>, Mykola Lysenko <mykolal@fb.com>, Alexei Starovoitov <ast@kernel.org>, Daniel Borkmann <daniel@iogearbox.net>, Martin KaFai Lau <martin.lau@linux.dev>, Song Liu <song@kernel.org>, Yonghong Song <yhs@fb.com>, John Fastabend <john.fastabend@gmail.com>, KP Singh <kpsingh@kernel.org>, Stanislav Fomichev <sdf@google.com>, Hao Luo <haoluo@google.com>, Jiri Olsa <jolsa@kernel.org>, Shuah Khan <shuah@kernel.org>

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[PATCH mptcp-next v5 16/18] bpf: Add subflow flags write access

Posted by Geliang Tang 2 years, 8 months ago

Add write accesses for all flags of struct mptcp_subflow_context between
map_csum_len and data_avail in .btf_struct_access. The stale flag will
be used in the bpf_stale selftests.

Signed-off-by: Geliang Tang <geliang.tang@suse.com>
---
 net/mptcp/bpf.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/net/mptcp/bpf.c b/net/mptcp/bpf.c
index ddcd803227d0..19872e587a53 100644
--- a/net/mptcp/bpf.c
+++ b/net/mptcp/bpf.c
@@ -51,6 +51,9 @@ static int bpf_mptcp_sched_btf_struct_access(struct bpf_verifier_log *log,
 	case offsetof(struct mptcp_subflow_context, scheduled):
 		end = offsetofend(struct mptcp_subflow_context, scheduled);
 		break;
+	case offsetofend(struct mptcp_subflow_context, map_csum_len):
+		end = offsetof(struct mptcp_subflow_context, data_avail);
+		break;
 	case offsetof(struct mptcp_subflow_context, avg_pacing_rate):
 		end = offsetofend(struct mptcp_subflow_context, avg_pacing_rate);
 		break;
-- 
2.35.3