diff mbox series

[mptcp-next,v2,03/10] mptcp: pm: add established() interface

Message ID da3e6282c7d6f6f3b60b89123f533e863000eb06.1741919893.git.tanggeliang@kylinos.cn (mailing list archive)
State Superseded, archived
Headers show
Series BPF path manager, part 6 | expand

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matttbe/shellcheck success MPTCP selftests files have not been modified
matttbe/build success Build and static analysis OK

Commit Message

Geliang Tang March 14, 2025, 2:45 a.m. UTC 
From: Geliang Tang <tanggeliang@kylinos.cn>

This patch adds a .established interface for struct mptcp_pm_ops, and
calls pm->ops->established in from mptcp_pm_worker(). Then get rid of
the corresponding code from __mptcp_pm_kernel_worker().

Signed-off-by: Geliang Tang <tanggeliang@kylinos.cn>
---
 include/net/mptcp.h   | 3 +++
 net/mptcp/pm.c        | 7 ++++++-
 net/mptcp/pm_kernel.c | 7 ++-----
 3 files changed, 11 insertions(+), 6 deletions(-)
diff mbox series

Patch

diff --git a/include/net/mptcp.h b/include/net/mptcp.h
index 9f28ef550e10..d7410f08399e 100644
--- a/include/net/mptcp.h
+++ b/include/net/mptcp.h
@@ -124,6 +124,9 @@  struct mptcp_pm_ops {
 	bool (*get_priority)(struct mptcp_sock *msk,
 			     struct mptcp_addr_info *skc);
 
+	/* optional */
+	void (*established)(struct mptcp_sock *msk);
+
 	char			name[MPTCP_PM_NAME_MAX];
 	struct module		*owner;
 	struct list_head	list;
diff --git a/net/mptcp/pm.c b/net/mptcp/pm.c
index 4895318b94cc..3dcece1c6fef 100644
--- a/net/mptcp/pm.c
+++ b/net/mptcp/pm.c
@@ -516,7 +516,8 @@  void mptcp_pm_fully_established(struct mptcp_sock *msk, const struct sock *ssk)
 	 * be sure to serve this event only once.
 	 */
 	if (READ_ONCE(pm->work_pending) &&
-	    !(pm->status & BIT(MPTCP_PM_ALREADY_ESTABLISHED)))
+	    !(pm->status & BIT(MPTCP_PM_ALREADY_ESTABLISHED)) &&
+	    pm->ops->established)
 		mptcp_pm_schedule_work(msk, MPTCP_PM_ESTABLISHED);
 
 	if ((pm->status & BIT(MPTCP_PM_ALREADY_ESTABLISHED)) == 0)
@@ -964,6 +965,10 @@  void mptcp_pm_worker(struct mptcp_sock *msk)
 		pm->status &= ~BIT(MPTCP_PM_RM_ADDR_RECEIVED);
 		mptcp_pm_rm_addr_recv(msk);
 	}
+	if (pm->status & BIT(MPTCP_PM_ESTABLISHED)) {
+		pm->status &= ~BIT(MPTCP_PM_ESTABLISHED);
+		pm->ops->established(msk);
+	}
 	__mptcp_pm_kernel_worker(msk);
 
 	spin_unlock_bh(&msk->pm.lock);
diff --git a/net/mptcp/pm_kernel.c b/net/mptcp/pm_kernel.c
index 7ec81d5195d4..1234066b5bcc 100644
--- a/net/mptcp/pm_kernel.c
+++ b/net/mptcp/pm_kernel.c
@@ -367,7 +367,7 @@  static void mptcp_pm_create_subflow_or_signal_addr(struct mptcp_sock *msk)
 	mptcp_pm_nl_check_work_pending(msk);
 }
 
-static void mptcp_pm_nl_fully_established(struct mptcp_sock *msk)
+static void mptcp_pm_kernel_established(struct mptcp_sock *msk)
 {
 	mptcp_pm_create_subflow_or_signal_addr(msk);
 }
@@ -1348,10 +1348,6 @@  void __mptcp_pm_kernel_worker(struct mptcp_sock *msk)
 		pm->status &= ~BIT(MPTCP_PM_ADD_ADDR_RECEIVED);
 		mptcp_pm_nl_add_addr_received(msk);
 	}
-	if (pm->status & BIT(MPTCP_PM_ESTABLISHED)) {
-		pm->status &= ~BIT(MPTCP_PM_ESTABLISHED);
-		mptcp_pm_nl_fully_established(msk);
-	}
 	if (pm->status & BIT(MPTCP_PM_SUBFLOW_ESTABLISHED)) {
 		pm->status &= ~BIT(MPTCP_PM_SUBFLOW_ESTABLISHED);
 		mptcp_pm_nl_subflow_established(msk);
@@ -1422,6 +1418,7 @@  static void mptcp_pm_kernel_init(struct mptcp_sock *msk)
 struct mptcp_pm_ops mptcp_pm_kernel = {
 	.get_local_id		= mptcp_pm_kernel_get_local_id,
 	.get_priority		= mptcp_pm_kernel_get_priority,
+	.established		= mptcp_pm_kernel_established,
 	.init			= mptcp_pm_kernel_init,
 	.name			= "kernel",
 	.owner			= THIS_MODULE,