[v1] BPF packet scheduler updates part 4

[RFC mptcp-next 02/11] Squash to "mptcp: add scheduler wrappers"

Geliang Tang posted 11 patches 2 years, 6 months ago

Diff against v2 v3
Download mbox

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 <yonghong.song@linux.dev>, 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>

There is a newer version of this series

Expand all Fold all

[RFC mptcp-next 02/11] Squash to "mptcp: add scheduler wrappers"

Posted by Geliang Tang 2 years, 6 months ago

Add mptcp_get_snd_burst and mptcp_set_snd_burst.

Signed-off-by: Geliang Tang <geliang.tang@suse.com>
---
 net/mptcp/protocol.h |  2 ++
 net/mptcp/sched.c    | 32 ++++++++++++++++++++++++++++++++
 2 files changed, 34 insertions(+)

diff --git a/net/mptcp/protocol.h b/net/mptcp/protocol.h
index 4572f01b978d..8c382384090b 100644
--- a/net/mptcp/protocol.h
+++ b/net/mptcp/protocol.h
@@ -673,6 +673,8 @@ struct sock *mptcp_subflow_get_send(struct mptcp_sock *msk);
 struct sock *mptcp_subflow_get_retrans(struct mptcp_sock *msk);
 int mptcp_sched_get_send(struct mptcp_sock *msk);
 int mptcp_sched_get_retrans(struct mptcp_sock *msk);
+int mptcp_get_snd_burst(struct mptcp_sock *msk);
+int mptcp_set_snd_burst(struct mptcp_sock *msk, int burst);
 
 static inline bool __tcp_can_send(const struct sock *ssk)
 {
diff --git a/net/mptcp/sched.c b/net/mptcp/sched.c
index 5d78efc9c96c..e96f69762071 100644
--- a/net/mptcp/sched.c
+++ b/net/mptcp/sched.c
@@ -229,3 +229,35 @@ int mptcp_sched_get_retrans(struct mptcp_sock *msk)
 	msk->sched->data_init(msk, &data);
 	return msk->sched->get_subflow(msk, &data);
 }
+
+int mptcp_get_snd_burst(struct mptcp_sock *msk)
+{
+	if (!msk->sched)
+		return msk->snd_burst;
+
+	if (msk->sched->get_params) {
+		struct mptcp_sched_params params;
+
+		msk->sched->get_params(msk, &params);
+		return params.snd_burst;
+	}
+	return 0;
+}
+
+
+int mptcp_set_snd_burst(struct mptcp_sock *msk, int burst)
+{
+	if (!msk->sched) {
+		msk->snd_burst = burst;
+		return 0;
+	}
+
+	if (msk->sched->set_params) {
+		struct mptcp_sched_params params;
+
+		params.snd_burst = burst;
+		return msk->sched->set_params(msk, &params);
+	}
+	return 0;
+
+}
-- 
2.35.3