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net: bonding: add broadcast_neighbor netlink option

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User can config or display the bonding broadcast_neighbor option via
iproute2/netlink.

Cc: Jay Vosburgh <jv@jvosburgh.net>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: Eric Dumazet <edumazet@google.com>
Cc: Jakub Kicinski <kuba@kernel.org>
Cc: Paolo Abeni <pabeni@redhat.com>
Cc: Simon Horman <horms@kernel.org>
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: Andrew Lunn <andrew+netdev@lunn.ch>
Cc: Steven Rostedt <rostedt@goodmis.org>
Cc: Masami Hiramatsu <mhiramat@kernel.org>
Cc: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Cc: Nikolay Aleksandrov <razor@blackwall.org>
Signed-off-by: Tonghao Zhang <tonghao@bamaicloud.com>
Signed-off-by: Zengbing Tu <tuzengbing@didiglobal.com>
Reviewed-by: Nikolay Aleksandrov <razor@blackwall.org>
Link: https://patch.msgid.link/76b90700ba5b98027dfb51a2f3c5cfea0440a21b.1751031306.git.tonghao@bamaicloud.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
This commit is contained in:
Tonghao Zhang
2025-06-27 21:49:29 +08:00
committed by Paolo Abeni
parent ce7a381697
commit 3d98ee5265
2 changed files with 17 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

16
drivers/net/bonding/bond_netlink.c
View File

@@ -124,6 +124,7 @@ static const struct nla_policy bond_policy[IFLA_BOND_MAX + 1] = {
[IFLA_BOND_MISSED_MAX] = { .type = NLA_U8 },
[IFLA_BOND_NS_IP6_TARGET] = { .type = NLA_NESTED },
[IFLA_BOND_COUPLED_CONTROL] = { .type = NLA_U8 },
[IFLA_BOND_BROADCAST_NEIGH] = { .type = NLA_U8 },
};
static const struct nla_policy bond_slave_policy[IFLA_BOND_SLAVE_MAX + 1] = {
@@ -561,6 +562,16 @@ static int bond_changelink(struct net_device *bond_dev, struct nlattr *tb[],
return err;
}
if (data[IFLA_BOND_BROADCAST_NEIGH]) {
int broadcast_neigh = nla_get_u8(data[IFLA_BOND_BROADCAST_NEIGH]);
bond_opt_initval(&newval, broadcast_neigh);
err = __bond_opt_set(bond, BOND_OPT_BROADCAST_NEIGH, &newval,
data[IFLA_BOND_BROADCAST_NEIGH], extack);
if (err)
return err;
}
return 0;
}
@@ -630,6 +641,7 @@ static size_t bond_get_size(const struct net_device *bond_dev)
nla_total_size(sizeof(struct nlattr)) +
nla_total_size(sizeof(struct in6_addr)) * BOND_MAX_NS_TARGETS +
nla_total_size(sizeof(u8)) + /* IFLA_BOND_COUPLED_CONTROL */
nla_total_size(sizeof(u8)) + /* IFLA_BOND_BROADCAST_NEIGH */
0;
}
@@ -793,6 +805,10 @@ static int bond_fill_info(struct sk_buff *skb,
bond->params.coupled_control))
goto nla_put_failure;
if (nla_put_u8(skb, IFLA_BOND_BROADCAST_NEIGH,
bond->params.broadcast_neighbor))
goto nla_put_failure;
if (BOND_MODE(bond) == BOND_MODE_8023AD) {
struct ad_info info;

1
include/uapi/linux/if_link.h
View File

@@ -1535,6 +1535,7 @@ enum {
IFLA_BOND_MISSED_MAX,
IFLA_BOND_NS_IP6_TARGET,
IFLA_BOND_COUPLED_CONTROL,
IFLA_BOND_BROADCAST_NEIGH,
__IFLA_BOND_MAX,
};