ipsec: fix CLI for create ipsec itf

This commit adds missing support in CLI for creating ipsec itf
in p2mp mode.

Type: fix
Signed-off-by: Gabriel Oginski <gabrielx.oginski@intel.com>
Change-Id: I1bd1cc6667625b8e527af8d25bd8e723751dbc41
diff --git a/src/vnet/ipsec/ipsec_itf.c b/src/vnet/ipsec/ipsec_itf.c
index 6e66d10..b86bf6a 100644
--- a/src/vnet/ipsec/ipsec_itf.c
+++ b/src/vnet/ipsec/ipsec_itf.c
@@ -381,6 +381,7 @@
 		      unformat_input_t * input, vlib_cli_command_t * cmd)
 {
   unformat_input_t _line_input, *line_input = &_line_input;
+  tunnel_mode_t mode = TUNNEL_MODE_P2P;
   u32 instance, sw_if_index;
   clib_error_t *error;
   mac_address_t mac;
@@ -396,6 +397,8 @@
 	{
 	  if (unformat (line_input, "instance %d", &instance))
 	    ;
+	  else if (unformat (line_input, "p2mp"))
+	    mode = TUNNEL_MODE_MP;
 	  else
 	    {
 	      error = clib_error_return (0, "unknown input: %U",
@@ -410,7 +413,7 @@
 	return error;
     }
 
-  rv = ipsec_itf_create (instance, TUNNEL_MODE_P2P, &sw_if_index);
+  rv = ipsec_itf_create (instance, mode, &sw_if_index);
 
   if (rv)
     return clib_error_return (0, "iPSec interface create failed");
@@ -425,13 +428,13 @@
  *
  * @cliexpar
  * The following two command syntaxes are equivalent:
- * @cliexcmd{ipsec itf create [instance <instance>]}
+ * @cliexcmd{ipsec itf create [instance <instance>] [p2mp]}
  * Example of how to create a ipsec interface:
  * @cliexcmd{ipsec itf create}
 ?*/
 VLIB_CLI_COMMAND (ipsec_itf_create_command, static) = {
   .path = "ipsec itf create",
-  .short_help = "ipsec itf create [instance <instance>]",
+  .short_help = "ipsec itf create [instance <instance>] [p2mp]",
   .function = ipsec_itf_create_cli,
 };