Add support to set and get the 'learning_sync [master]' attribute of a
bridgeport. A following patch adds support to synchronize the software
bridge's fdb changes to the hardware fdb of this bridgeport.
Signed-off-by: Alexandra Winter <wintera@xxxxxxxxxxxxx>
---
include/uapi/linux/if_link.h | 2 +-
net/bridge/br_netlink.c | 5 +++++
2 files changed, 6 insertions(+), 1 deletion(-)
diff --git a/include/uapi/linux/if_link.h b/include/uapi/linux/if_link.h
index cd5b382a4138..4d8e4c9b803c 100644
--- a/include/uapi/linux/if_link.h
+++ b/include/uapi/linux/if_link.h
@@ -499,7 +499,7 @@ enum {
IFLA_BRPORT_LEARNING, /* mac learning */
IFLA_BRPORT_UNICAST_FLOOD, /* flood unicast traffic */
IFLA_BRPORT_PROXYARP, /* proxy ARP */
- IFLA_BRPORT_LEARNING_SYNC, /* mac learning sync from device */
+ IFLA_BRPORT_LEARNING_SYNC, /* mac learning sync from/to device */
IFLA_BRPORT_PROXYARP_WIFI, /* proxy ARP for Wi-Fi */
IFLA_BRPORT_ROOT_ID, /* designated root */
IFLA_BRPORT_BRIDGE_ID, /* designated bridge */
diff --git a/net/bridge/br_netlink.c b/net/bridge/br_netlink.c
index e4e6e991313e..d91a5a319a4b 100644
--- a/net/bridge/br_netlink.c
+++ b/net/bridge/br_netlink.c
@@ -180,6 +180,7 @@ static inline size_t br_port_info_size(void)
+ nla_total_size(1) /* IFLA_BRPORT_MCAST_FLOOD */
+ nla_total_size(1) /* IFLA_BRPORT_BCAST_FLOOD */
+ nla_total_size(1) /* IFLA_BRPORT_PROXYARP */
+ + nla_total_size(1) /* IFLA_BRPORT_LEARNING_SYNC */
+ nla_total_size(1) /* IFLA_BRPORT_PROXYARP_WIFI */
+ nla_total_size(1) /* IFLA_BRPORT_VLAN_TUNNEL */
+ nla_total_size(1) /* IFLA_BRPORT_NEIGH_SUPPRESS */
@@ -247,6 +248,8 @@ static int br_port_fill_attrs(struct sk_buff *skb,
nla_put_u8(skb, IFLA_BRPORT_BCAST_FLOOD,
!!(p->flags & BR_BCAST_FLOOD)) ||
nla_put_u8(skb, IFLA_BRPORT_PROXYARP, !!(p->flags & BR_PROXYARP)) ||
+ nla_put_u8(skb, IFLA_BRPORT_LEARNING_SYNC,
+ !!(p->flags & BR_LEARNING_SYNC)) ||
nla_put_u8(skb, IFLA_BRPORT_PROXYARP_WIFI,
!!(p->flags & BR_PROXYARP_WIFI)) ||
nla_put(skb, IFLA_BRPORT_ROOT_ID, sizeof(struct ifla_bridge_id),
@@ -818,6 +821,7 @@ static const struct nla_policy br_port_policy[IFLA_BRPORT_MAX + 1] = {
[IFLA_BRPORT_LEARNING] = { .type = NLA_U8 },
[IFLA_BRPORT_UNICAST_FLOOD] = { .type = NLA_U8 },
[IFLA_BRPORT_PROXYARP] = { .type = NLA_U8 },
+ [IFLA_BRPORT_LEARNING_SYNC] = { .type = NLA_U8 },
[IFLA_BRPORT_PROXYARP_WIFI] = { .type = NLA_U8 },
[IFLA_BRPORT_MULTICAST_ROUTER] = { .type = NLA_U8 },
[IFLA_BRPORT_MCAST_TO_UCAST] = { .type = NLA_U8 },
@@ -889,6 +893,7 @@ static int br_setport(struct net_bridge_port *p, struct nlattr *tb[],
BR_MULTICAST_TO_UNICAST);
br_set_port_flag(p, tb, IFLA_BRPORT_BCAST_FLOOD, BR_BCAST_FLOOD);
br_set_port_flag(p, tb, IFLA_BRPORT_PROXYARP, BR_PROXYARP);
+ br_set_port_flag(p, tb, IFLA_BRPORT_LEARNING_SYNC, BR_LEARNING_SYNC);
br_set_port_flag(p, tb, IFLA_BRPORT_PROXYARP_WIFI, BR_PROXYARP_WIFI);
br_set_port_flag(p, tb, IFLA_BRPORT_VLAN_TUNNEL, BR_VLAN_TUNNEL);
br_set_port_flag(p, tb, IFLA_BRPORT_NEIGH_SUPPRESS, BR_NEIGH_SUPPRESS);
--
2.25.1
