From: Hangbin Liu <liuhangbin@gmail.com>
To: netdev@vger.kernel.org
Cc: Jay Vosburgh <jv@jvosburgh.net>,
Andrew Lunn <andrew+netdev@lunn.ch>,
"David S. Miller" <davem@davemloft.net>,
Eric Dumazet <edumazet@google.com>,
Jakub Kicinski <kuba@kernel.org>, Paolo Abeni <pabeni@redhat.com>,
David Ahern <dsahern@kernel.org>,
Hangbin Liu <liuhangbin@gmail.com>
Subject: [PATCH net-next] bonding: print churn state via netlink
Date: Tue, 24 Feb 2026 02:02:14 +0000 [thread overview]
Message-ID: <20260224020215.6012-1-liuhangbin@gmail.com> (raw)
Currently, the churn state is printed only in sysfs. Add netlink support
so users could get the state via netlink.
Signed-off-by: Hangbin Liu <liuhangbin@gmail.com>
---
drivers/net/bonding/bond_netlink.c | 9 +++++++++
include/uapi/linux/if_link.h | 2 ++
2 files changed, 11 insertions(+)
diff --git a/drivers/net/bonding/bond_netlink.c b/drivers/net/bonding/bond_netlink.c
index 286f11c517f7..ea1a80e658ae 100644
--- a/drivers/net/bonding/bond_netlink.c
+++ b/drivers/net/bonding/bond_netlink.c
@@ -29,6 +29,8 @@ static size_t bond_get_slave_size(const struct net_device *bond_dev,
nla_total_size(sizeof(u16)) + /* IFLA_BOND_SLAVE_AD_PARTNER_OPER_PORT_STATE */
nla_total_size(sizeof(s32)) + /* IFLA_BOND_SLAVE_PRIO */
nla_total_size(sizeof(u16)) + /* IFLA_BOND_SLAVE_ACTOR_PORT_PRIO */
+ nla_total_size(sizeof(u8)) + /* IFLA_BOND_SLAVE_AD_CHURN_ACTOR_STATE */
+ nla_total_size(sizeof(u8)) + /* IFLA_BOND_SLAVE_AD_CHURN_PARTNER_STATE */
0;
}
@@ -77,6 +79,13 @@ static int bond_fill_slave_info(struct sk_buff *skb,
IFLA_BOND_SLAVE_AD_PARTNER_OPER_PORT_STATE,
ad_port->partner_oper.port_state))
goto nla_put_failure;
+
+ if (nla_put_u8(skb, IFLA_BOND_SLAVE_AD_CHURN_ACTOR_STATE,
+ ad_port->sm_churn_actor_state))
+ goto nla_put_failure;
+ if (nla_put_u8(skb, IFLA_BOND_SLAVE_AD_CHURN_PARTNER_STATE,
+ ad_port->sm_churn_partner_state))
+ goto nla_put_failure;
}
if (nla_put_u16(skb, IFLA_BOND_SLAVE_ACTOR_PORT_PRIO,
diff --git a/include/uapi/linux/if_link.h b/include/uapi/linux/if_link.h
index e9b5f79e1ee1..83a96c56b8ca 100644
--- a/include/uapi/linux/if_link.h
+++ b/include/uapi/linux/if_link.h
@@ -1568,6 +1568,8 @@ enum {
IFLA_BOND_SLAVE_AD_PARTNER_OPER_PORT_STATE,
IFLA_BOND_SLAVE_PRIO,
IFLA_BOND_SLAVE_ACTOR_PORT_PRIO,
+ IFLA_BOND_SLAVE_AD_CHURN_ACTOR_STATE,
+ IFLA_BOND_SLAVE_AD_CHURN_PARTNER_STATE,
__IFLA_BOND_SLAVE_MAX,
};
--
2.50.1
next reply other threads:[~2026-02-24 2:02 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-02-24 2:02 Hangbin Liu [this message]
2026-02-24 2:02 ` [PATCH iproute2-next] iplink: bond_slave: print actor and partner churn state Hangbin Liu
2026-02-25 21:22 ` Stephen Hemminger
2026-02-26 2:10 ` Hangbin Liu
2026-02-26 3:03 ` Jakub Kicinski
2026-02-26 3:35 ` Hangbin Liu
2026-02-26 11:00 ` [PATCH net-next] bonding: print churn state via netlink patchwork-bot+netdevbpf
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