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Message-Id: <20230821-upstream-net-next-20230818-v1-6-0c860fb256a8@kernel.org> Date: Mon, 21 Aug 2023 15:25:17 -0700 From: Mat Martineau <martineau@...nel.org> To: Matthieu Baerts <matthieu.baerts@...sares.net>, "David S. Miller" <davem@...emloft.net>, Eric Dumazet <edumazet@...gle.com>, Jakub Kicinski <kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com> Cc: netdev@...r.kernel.org, mptcp@...ts.linux.dev, Geliang Tang <geliang.tang@...e.com>, Mat Martineau <martineau@...nel.org> Subject: [PATCH net-next 06/10] mptcp: add scheduled in mptcp_subflow_context From: Geliang Tang <geliang.tang@...e.com> This patch adds a new member scheduled in struct mptcp_subflow_context, which will be set in the MPTCP scheduler context when the scheduler picks this subflow to send data. Add a new helper mptcp_subflow_set_scheduled() to set this flag using WRITE_ONCE(). Reviewed-by: Mat Martineau <martineau@...nel.org> Signed-off-by: Geliang Tang <geliang.tang@...e.com> Signed-off-by: Mat Martineau <martineau@...nel.org> --- net/mptcp/protocol.h | 3 +++ net/mptcp/sched.c | 6 ++++++ 2 files changed, 9 insertions(+) diff --git a/net/mptcp/protocol.h b/net/mptcp/protocol.h index 548c302a757e..e7523a40132f 100644 --- a/net/mptcp/protocol.h +++ b/net/mptcp/protocol.h @@ -491,6 +491,7 @@ struct mptcp_subflow_context { is_mptfo : 1, /* subflow is doing TFO */ __unused : 9; enum mptcp_data_avail data_avail; + bool scheduled; u32 remote_nonce; u64 thmac; u32 local_nonce; @@ -663,6 +664,8 @@ void mptcp_unregister_scheduler(struct mptcp_sched_ops *sched); int mptcp_init_sched(struct mptcp_sock *msk, struct mptcp_sched_ops *sched); void mptcp_release_sched(struct mptcp_sock *msk); +void mptcp_subflow_set_scheduled(struct mptcp_subflow_context *subflow, + bool scheduled); static inline bool __tcp_can_send(const struct sock *ssk) { diff --git a/net/mptcp/sched.c b/net/mptcp/sched.c index 53773668b5ee..d295b92a5789 100644 --- a/net/mptcp/sched.c +++ b/net/mptcp/sched.c @@ -87,3 +87,9 @@ void mptcp_release_sched(struct mptcp_sock *msk) bpf_module_put(sched, sched->owner); } + +void mptcp_subflow_set_scheduled(struct mptcp_subflow_context *subflow, + bool scheduled) +{ + WRITE_ONCE(subflow->scheduled, scheduled); +} -- 2.41.0
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