[v15] BPF redundant scheduler

[PATCH mptcp-next v15 07/19] Squash to "bpf: Add bpf_mptcp_sched_ops"

Geliang Tang posted 19 patches 3 years, 3 months ago

Diff against v1 v2 v3 v4 v5 v6 v7 v8 v9 v10 v11 v12 v13 v14 v16 v17 v18 v21
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Maintainers: Mat Martineau <mathew.j.martineau@linux.intel.com>, Matthieu Baerts <matthieu.baerts@tessares.net>, "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 v15 07/19] Squash to "bpf: Add bpf_mptcp_sched_ops"

Posted by Geliang Tang 3 years, 3 months ago

Use new API.

Signed-off-by: Geliang Tang <geliang.tang@suse.com>
---
 tools/testing/selftests/bpf/bpf_tcp_helpers.h | 14 ++++++++++++--
 1 file changed, 12 insertions(+), 2 deletions(-)

diff --git a/tools/testing/selftests/bpf/bpf_tcp_helpers.h b/tools/testing/selftests/bpf/bpf_tcp_helpers.h
index c7d4a9a69cfc..2a7a613f87e8 100644
--- a/tools/testing/selftests/bpf/bpf_tcp_helpers.h
+++ b/tools/testing/selftests/bpf/bpf_tcp_helpers.h
@@ -246,11 +246,18 @@ struct mptcp_sched_data {
 struct mptcp_sched_ops {
 	char name[MPTCP_SCHED_NAME_MAX];
 
+	/* burst scheduler */
+	int		snd_burst;
+	/* round-robin scheduler */
+	struct sock	*last_snd;
+
 	void (*init)(const struct mptcp_sock *msk);
 	void (*release)(const struct mptcp_sock *msk);
 
-	void (*get_subflow)(const struct mptcp_sock *msk,
-			    struct mptcp_sched_data *data);
+	void (*data_init)(const struct mptcp_sock *msk,
+			  struct mptcp_sched_data *data);
+	int (*get_subflow)(const struct mptcp_sock *msk,
+			   struct mptcp_sched_data *data);
 	void *owner;
 };
 
@@ -260,10 +267,13 @@ struct mptcp_sock {
 	struct sock	*last_snd;
 	__u32		token;
 	struct sock	*first;
+	struct mptcp_sched_ops	*sched;
 	char		ca_name[TCP_CA_NAME_MAX];
 } __attribute__((preserve_access_index));
 
 extern void mptcp_subflow_set_scheduled(struct mptcp_subflow_context *subflow,
 					bool scheduled) __ksym;
+extern void mptcp_sched_data_set_contexts(const struct mptcp_sock *msk,
+					  struct mptcp_sched_data *data) __ksym;
 
 #endif
-- 
2.35.3