2 * hdlc_pg.c: packet generator gre interface
4 * Copyright (c) 2012 Cisco and/or its affiliates.
5 * Licensed under the Apache License, Version 2.0 (the "License");
6 * you may not use this file except in compliance with the License.
7 * You may obtain a copy of the License at:
9 * http://www.apache.org/licenses/LICENSE-2.0
11 * Unless required by applicable law or agreed to in writing, software
12 * distributed under the License is distributed on an "AS IS" BASIS,
13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 * See the License for the specific language governing permissions and
15 * limitations under the License.
18 #include <vlib/vlib.h>
19 #include <vnet/pg/pg.h>
20 #include <vnet/gre/gre.h>
23 pg_edit_t flags_and_version;
28 pg_gre_header_init (pg_gre_header_t * e)
30 pg_edit_init (&e->flags_and_version, gre_header_t, flags_and_version);
31 pg_edit_init (&e->protocol, gre_header_t, protocol);
35 unformat_pg_gre_header (unformat_input_t * input, va_list * args)
37 pg_stream_t * s = va_arg (*args, pg_stream_t *);
39 u32 group_index, error;
41 h = pg_create_edit_group (s, sizeof (h[0]), sizeof (gre_header_t),
43 pg_gre_header_init (h);
45 pg_edit_set_fixed (&h->flags_and_version, 0);
48 if (! unformat (input, "%U",
50 unformat_gre_protocol_net_byte_order, &h->protocol))
54 gre_main_t * pm = &gre_main;
55 gre_protocol_info_t * pi = 0;
56 pg_node_t * pg_node = 0;
58 if (h->protocol.type == PG_EDIT_FIXED)
60 u16 t = *(u16 *) h->protocol.values[PG_EDIT_LO];
61 pi = gre_get_protocol_info (pm, clib_net_to_host_u16 (t));
62 if (pi && pi->node_index != ~0)
63 pg_node = pg_get_node (pi->node_index);
66 if (pg_node && pg_node->unformat_edit
67 && unformat_user (input, pg_node->unformat_edit, s))
74 pg_free_edit_group (s);