VPP-81: Print interface name after creating an interface with CLI

When the CLI is used to create an interface, and whend the operation
succeeds, the newly created interface name is printed-out.

The patch includes the following interfaces types:
- AF_PACKET
- Vhost User
- Netmap
- GRE
- L2TP
- MPLS-GRE
- Loopback

Change-Id: Id518c139ec63a261eae81d2ed95c4cd1f10b5157
Signed-off-by: Pierre Pfister <ppfister@cisco.com>

1 files changed, 3 insertions, 1 deletions

diff --git a/vnet/vnet/devices/netmap/cli.c b/vnet/vnet/devices/netmap/cli.c
index 584d68002d3..5bf80e7f7c3 100644
--- a/vnet/vnet/devices/netmap/cli.c
+++ b/vnet/vnet/devices/netmap/cli.c
@@ -36,6 +36,7 @@ netmap_create_command_fn (vlib_main_t * vm, unformat_input_t * input,
   int r;
   u8 is_pipe = 0;
   u8 is_master = 0;
+  u32 sw_if_index = ~0;
 
   /* Get a line of input. */
   if (! unformat_user (input, unformat_line_input, line_input))
@@ -61,7 +62,7 @@ netmap_create_command_fn (vlib_main_t * vm, unformat_input_t * input,
   if (host_if_name == NULL)
       return clib_error_return (0, "missing host interface name");
 
-  r = netmap_create_if(vm, host_if_name, hw_addr_ptr, is_pipe, is_master);
+  r = netmap_create_if(vm, host_if_name, hw_addr_ptr, is_pipe, is_master, &sw_if_index);
 
   if (r == VNET_API_ERROR_SYSCALL_ERROR_1)
     return clib_error_return(0, "%s (errno %d)", strerror (errno), errno);
@@ -72,6 +73,7 @@ netmap_create_command_fn (vlib_main_t * vm, unformat_input_t * input,
   if (r == VNET_API_ERROR_SUBIF_ALREADY_EXISTS)
     return clib_error_return(0, "Interface already exists");
 
+  vlib_cli_output(vm, "%U\n", format_vnet_sw_if_index_name, vnet_get_main(), sw_if_index);
   return 0;
 }