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-rw-r--r--src/vnet/l2/l2_input.c21
1 files changed, 21 insertions, 0 deletions
diff --git a/src/vnet/l2/l2_input.c b/src/vnet/l2/l2_input.c
index fd6f9eb462c..7e41c886dec 100644
--- a/src/vnet/l2/l2_input.c
+++ b/src/vnet/l2/l2_input.c
@@ -539,6 +539,27 @@ l2input_set_bridge_features (u32 bd_index, u32 feat_mask, u32 feat_value)
return bd_config->feature_bitmap;
}
+void
+l2input_interface_mac_change (u32 sw_if_index,
+ const u8 * old_address, const u8 * new_address)
+{
+ /* check if the sw_if_index passed is a BVI in a BD */
+ l2_input_config_t *intf_config;
+
+ intf_config = l2input_intf_config (sw_if_index);
+
+ if (intf_config->bridge && intf_config->bvi)
+ {
+ /* delete and re-add l2fib entry for the bvi interface */
+ l2fib_del_entry (old_address, intf_config->bd_index, sw_if_index);
+ l2fib_add_entry (new_address,
+ intf_config->bd_index,
+ sw_if_index,
+ L2FIB_ENTRY_RESULT_FLAG_BVI |
+ L2FIB_ENTRY_RESULT_FLAG_STATIC);
+ }
+}
+
/**
* Set the subinterface to run in l2 or l3 mode.
* For L3 mode, just the sw_if_index is specified.