+/** \brief Entry for learned or aged MAC in L2 MAC Events
+ @param sw_if_index - sw_if_index in the domain
+ @param mac_addr - mac_address
+ @is_del - 0 => newly learned MAC, 1 => aged out MAC
+*/
+typeonly define mac_entry
+{
+ u32 sw_if_index;
+ u8 mac_addr[6];
+ u8 is_del;
+ u8 spare;
+};
+
+/** \brief L2 MAC event for a list of learned or aged MACs
+ @param client_index - opaque cookie to identify the sender
+ @param pid - client pid registered to receive notification
+ @param n_macs - number of learned/aged MAC enntries
+ @param mac - array of learned/aged MAC entries
+*/
+define l2_macs_event
+{
+ u32 client_index;
+ u32 pid;
+ u32 n_macs;
+ vl_api_mac_entry_t mac[n_macs];
+};
+
+/** \brief Set interface L2 flags (such as L2_LEARN, L2_FWD,
+ L2_FLOOD, L2_UU_FLOOD, or L2_ARP_TERM bits). This can be used
+ to disable one or more of the features represented by the
+ flag bits on an interface to override what is set as default
+ for all interfaces in the bridge domain