From: Geliang Tang <tanggeliang@kylinos.cn>

Please update the subject to

	"bpf: Export mptcp packet scheduler helpers"

Remove bpf_mptcp_subflow_ctx_by_pos from BPF kfunc set.
Merge "bpf: Export more bpf_burst related functions" into this patch.

Signed-off-by: Geliang Tang <tanggeliang@kylinos.cn>
---
 net/mptcp/bpf.c      | 11 ++++++++++-
 net/mptcp/protocol.c |  4 ++--
 net/mptcp/protocol.h |  2 ++
 3 files changed, 14 insertions(+), 3 deletions(-)

diff --git a/net/mptcp/bpf.c b/net/mptcp/bpf.c
index 627839383b29..38034d3f28f8 100644
--- a/net/mptcp/bpf.c
+++ b/net/mptcp/bpf.c
@@ -268,6 +268,11 @@ __bpf_kfunc void bpf_mptcp_sock_release(struct mptcp_sock *msk)
 	WARN_ON_ONCE(!sk || !refcount_dec_not_one(&sk->sk_refcnt));
 }
 
+__bpf_kfunc bool bpf_mptcp_subflow_queues_empty(struct sock *sk)
+{
+	return tcp_rtx_queue_empty(sk);
+}
+
 __bpf_kfunc_end_defs();
 
 BTF_KFUNCS_START(bpf_mptcp_common_kfunc_ids)
@@ -288,7 +293,11 @@ static const struct btf_kfunc_id_set bpf_mptcp_common_kfunc_set = {
 };
 
 BTF_KFUNCS_START(bpf_mptcp_sched_kfunc_ids)
-BTF_ID_FLAGS(func, bpf_mptcp_subflow_ctx_by_pos)
+BTF_ID_FLAGS(func, mptcp_set_timeout)
+BTF_ID_FLAGS(func, mptcp_wnd_end)
+BTF_ID_FLAGS(func, tcp_stream_memory_free)
+BTF_ID_FLAGS(func, bpf_mptcp_subflow_queues_empty)
+BTF_ID_FLAGS(func, mptcp_pm_subflow_chk_stale)
 BTF_KFUNCS_END(bpf_mptcp_sched_kfunc_ids)
 
 static const struct btf_kfunc_id_set bpf_mptcp_sched_kfunc_set = {
diff --git a/net/mptcp/protocol.c b/net/mptcp/protocol.c
index e978e05ec8d1..e420ce9bbfb6 100644
--- a/net/mptcp/protocol.c
+++ b/net/mptcp/protocol.c
@@ -50,7 +50,7 @@ DEFINE_PER_CPU(struct mptcp_delegated_action, mptcp_delegated_actions);
 static struct net_device mptcp_napi_dev;
 
 /* Returns end sequence number of the receiver's advertised window */
-static u64 mptcp_wnd_end(const struct mptcp_sock *msk)
+u64 mptcp_wnd_end(const struct mptcp_sock *msk)
 {
 	return READ_ONCE(msk->wnd_end);
 }
@@ -489,7 +489,7 @@ static long mptcp_timeout_from_subflow(const struct mptcp_subflow_context *subfl
 	       inet_csk(ssk)->icsk_timeout - jiffies : 0;
 }
 
-static void mptcp_set_timeout(struct sock *sk)
+void mptcp_set_timeout(struct sock *sk)
 {
 	struct mptcp_subflow_context *subflow;
 	long tout = 0;
diff --git a/net/mptcp/protocol.h b/net/mptcp/protocol.h
index a93e661ef5c4..7848a1989d17 100644
--- a/net/mptcp/protocol.h
+++ b/net/mptcp/protocol.h
@@ -720,6 +720,8 @@ void __mptcp_subflow_send_ack(struct sock *ssk);
 void mptcp_subflow_reset(struct sock *ssk);
 void mptcp_subflow_queue_clean(struct sock *sk, struct sock *ssk);
 void mptcp_sock_graft(struct sock *sk, struct socket *parent);
+u64 mptcp_wnd_end(const struct mptcp_sock *msk);
+void mptcp_set_timeout(struct sock *sk);
 struct sock *__mptcp_nmpc_sk(struct mptcp_sock *msk);
 bool __mptcp_close(struct sock *sk, long timeout);
 void mptcp_cancel_work(struct sock *sk);
-- 
2.43.0