diff options
| -rw-r--r-- | vnet/vnet/interface.c | 37 | ||||
| -rw-r--r-- | vnet/vnet/interface_funcs.h | 4 |
2 files changed, 41 insertions, 0 deletions
diff --git a/vnet/vnet/interface.c b/vnet/vnet/interface.c index 9189a4185d8..d36f7811d90 100644 --- a/vnet/vnet/interface.c +++ b/vnet/vnet/interface.c @@ -1078,3 +1078,40 @@ int vnet_interface_add_del_feature(vnet_main_t * vnm, return 0; } +clib_error_t * +vnet_rename_interface (vnet_main_t * vnm, + u32 hw_if_index, + char * new_name) +{ + vnet_interface_main_t * im = &vnm->interface_main; + vlib_main_t * vm = vnm->vlib_main; + vnet_hw_interface_t* hw; + u8* old_name; + clib_error_t * error = 0; + + hw = vnet_get_hw_interface(vnm, hw_if_index); + if (!hw) + { + return clib_error_return (0, + "unable to find hw interface for index %u", + hw_if_index); + } + + old_name = hw->name; + + // set new hw->name + hw->name = format (0, "%s", new_name); + + // remove the old name to hw_if_index mapping and install the new one + hash_unset_mem (im->hw_interface_by_name, old_name); + hash_set_mem (im->hw_interface_by_name, hw->name, hw_if_index); + + // rename tx/output nodes + vlib_node_rename (vm, hw->tx_node_index, "%v-tx", hw->name); + vlib_node_rename (vm, hw->output_node_index, "%v-output", hw->name); + + // free the old name vector + vec_free (old_name); + + return error; +} diff --git a/vnet/vnet/interface_funcs.h b/vnet/vnet/interface_funcs.h index 7761bf76d53..ab89b94efe2 100644 --- a/vnet/vnet/interface_funcs.h +++ b/vnet/vnet/interface_funcs.h @@ -150,6 +150,10 @@ int vnet_hw_interface_rx_redirect_to_node (vnet_main_t * vnm, u32 hw_if_index, void vnet_hw_interface_init_for_class (vnet_main_t * vnm, u32 hw_if_index, u32 hw_class_index, u32 hw_instance); +/* Rename interface */ +clib_error_t * +vnet_rename_interface (vnet_main_t * vnm, u32 hw_if_index, char * new_name); + /* Formats sw/hw interface. */ format_function_t format_vnet_hw_interface; format_function_t format_vnet_sw_interface; |