route: Add support to set ageing time for dynamic bridge table entries

include/netlink/route/link/bridge_info.h

@@ -13,6 +13,11 @@
 extern "C" {
 #endif
 
+extern void rtnl_link_bridge_set_ageing_time(struct rtnl_link *link,
+					     uint32_t ageing_time);
+extern int rtnl_link_bridge_get_ageing_time(struct rtnl_link *link,
+					    uint32_t *ageing_time);
+
 extern void rtnl_link_bridge_set_vlan_filtering(struct rtnl_link *link,
 						uint8_t vlan_filtering);
 extern int rtnl_link_bridge_get_vlan_filtering(struct rtnl_link *link,

lib/route/link/bridge_info.c

@@ -21,15 +21,18 @@
 #define BRIDGE_ATTR_VLAN_FILTERING (1 << 0)
 #define BRIDGE_ATTR_VLAN_PROTOCOL (1 << 1)
 #define BRIDGE_ATTR_VLAN_STATS_ENABLED (1 << 2)
+#define BRIDGE_ATTR_AGEING_TIME (1 << 3)
 
 struct bridge_info {
 	uint32_t ce_mask; /* to support attr macros */
+	uint32_t b_ageing_time;
 	uint16_t b_vlan_protocol;
 	uint8_t b_vlan_filtering;
 	uint8_t b_vlan_stats_enabled;
 };
 
 static const struct nla_policy bi_attrs_policy[IFLA_BR_MAX + 1] = {
+	[IFLA_BR_AGEING_TIME] = { .type = NLA_U32 },
 	[IFLA_BR_VLAN_FILTERING] = { .type = NLA_U8 },
 	[IFLA_BR_VLAN_PROTOCOL] = { .type = NLA_U16 },
 	[IFLA_BR_VLAN_STATS_ENABLED] = { .type = NLA_U8 },
@@ -75,6 +78,11 @@ static int bridge_info_parse(struct rtnl_link *link, struct nlattr *data,
 
 	bi = link->l_info;
 
+	if (tb[IFLA_BR_AGEING_TIME]) {
+		bi->b_ageing_time = nla_get_u32(tb[IFLA_BR_AGEING_TIME]);
+		bi->ce_mask |= BRIDGE_ATTR_AGEING_TIME;
+	}
+
 	if (tb[IFLA_BR_VLAN_FILTERING]) {
 		bi->b_vlan_filtering = nla_get_u8(tb[IFLA_BR_VLAN_FILTERING]);
 		bi->ce_mask |= BRIDGE_ATTR_VLAN_FILTERING;
@@ -104,6 +112,9 @@ static int bridge_info_put_attrs(struct nl_msg *msg, struct rtnl_link *link)
 	if (!data)
 		return -NLE_MSGSIZE;
 
+	if (bi->ce_mask & BRIDGE_ATTR_AGEING_TIME)
+		NLA_PUT_U32(msg, IFLA_BR_AGEING_TIME, bi->b_ageing_time);
+
 	if (bi->ce_mask & BRIDGE_ATTR_VLAN_FILTERING)
 		NLA_PUT_U8(msg, IFLA_BR_VLAN_FILTERING, bi->b_vlan_filtering);
 
@@ -143,6 +154,53 @@ static struct rtnl_link_info_ops bridge_info_ops = {
 		}                                                                        \
 	} while (0)
 
+/**
+ * Set ageing time for dynamic forwarding entries
+ * @arg link		Link object of type bridge
+ * @arg ageing_time	Interval to set.
+ *
+ * @return void
+ */
+void rtnl_link_bridge_set_ageing_time(struct rtnl_link *link,
+				      uint32_t ageing_time)
+{
+	struct bridge_info *bi = bridge_info(link);
+
+	IS_BRIDGE_INFO_ASSERT(link);
+
+	bi->b_ageing_time = ageing_time;
+
+	bi->ce_mask |= BRIDGE_ATTR_AGEING_TIME;
+}
+
+/**
+ * Get ageing time for dynamic forwarding entries
+ * @arg link		Link object of type bridge
+ * @arg ageing_time	Output argument.
+ *
+ * @see rtnl_link_bridge_set_ageing_time()
+ * @return Zero on success, otherwise a negative error code.
+ * @retval -NLE_NOATTR
+ * @retval -NLE_INVAL
+ */
+int rtnl_link_bridge_get_ageing_time(struct rtnl_link *link,
+				     uint32_t *ageing_time)
+{
+	struct bridge_info *bi = bridge_info(link);
+
+	IS_BRIDGE_INFO_ASSERT(link);
+
+	if (!(bi->ce_mask & BRIDGE_ATTR_AGEING_TIME))
+		return -NLE_NOATTR;
+
+	if (!ageing_time)
+		return -NLE_INVAL;
+
+	*ageing_time = bi->b_ageing_time;
+
+	return 0;
+}
+
 /**
  * Set VLAN filtering flag
  * @arg link		Link object of type bridge

libnl-route-3.sym

@@ -1314,3 +1314,9 @@ global:
 	rtnl_link_bond_set_min_links;
 	rtnl_link_can_get_device_stats;
 } libnl_3_8;
+
+libnl_3_10 {
+global:
+	rtnl_link_bridge_get_ageing_time;
+	rtnl_link_bridge_set_ageing_time;
+} libnl_3_9;