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>
24 pg_edit_t flags_and_version;
29 pg_gre_header_init (pg_gre_header_t *e)
31 pg_edit_init (&e->flags_and_version, gre_header_t, flags_and_version);
32 pg_edit_init (&e->protocol, gre_header_t, protocol);
36 unformat_pg_gre_header (unformat_input_t *input, va_list *args)
38 pg_stream_t *s = va_arg (*args, pg_stream_t *);
40 u32 group_index, error;
42 h = pg_create_edit_group (s, sizeof (h[0]), sizeof (gre_header_t),
44 pg_gre_header_init (h);
46 pg_edit_set_fixed (&h->flags_and_version, 0);
49 if (!unformat (input, "%U", unformat_pg_edit,
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);
79 * fd.io coding-style-patch-verification: ON
82 * eval: (c-set-style "gnu")