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bonding: print churn state via netlink

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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>
Link: https://patch.msgid.link/20260224020215.6012-1-liuhangbin@gmail.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
This commit is contained in:
Hangbin Liu 2026-02-24 02:02:14 +00:00 committed by Paolo Abeni
parent 15c9ed1d82
commit 4916f2e2f3
2 changed files with 11 additions and 0 deletions
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9
drivers/net/bonding/bond_netlink.c
View File

@ -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,

2
include/uapi/linux/if_link.h
View File

@ -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,
};