2 * Copyright (c) 2015 Cisco and/or its affiliates.
3 * Licensed under the Apache License, Version 2.0 (the "License");
4 * you may not use this file except in compliance with the License.
5 * You may obtain a copy of the License at:
7 * http://www.apache.org/licenses/LICENSE-2.0
9 * Unless required by applicable law or agreed to in writing, software
10 * distributed under the License is distributed on an "AS IS" BASIS,
11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 * See the License for the specific language governing permissions and
13 * limitations under the License.
16 * srp/pg.c: packet generator srp interface
18 * Copyright (c) 2008 Eliot Dresselhaus
20 * Permission is hereby granted, free of charge, to any person obtaining
21 * a copy of this software and associated documentation files (the
22 * "Software"), to deal in the Software without restriction, including
23 * without limitation the rights to use, copy, modify, merge, publish,
24 * distribute, sublicense, and/or sell copies of the Software, and to
25 * permit persons to whom the Software is furnished to do so, subject to
26 * the following conditions:
28 * The above copyright notice and this permission notice shall be
29 * included in all copies or substantial portions of the Software.
31 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
32 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
33 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
34 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
35 * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
36 * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
37 * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
40 #include <vlib/vlib.h>
41 #include <vnet/pg/pg.h>
42 #include <vnet/srp/srp.h>
43 #include <vnet/ethernet/ethernet.h>
47 pg_edit_t is_inner_ring;
52 pg_edit_t src_address;
53 pg_edit_t dst_address;
57 pg_srp_header_init (pg_srp_header_t * e)
59 pg_edit_init (&e->ttl, srp_and_ethernet_header_t, srp.ttl);
60 pg_edit_init_bitfield (&e->is_inner_ring, srp_and_ethernet_header_t,
63 pg_edit_init_bitfield (&e->mode, srp_and_ethernet_header_t,
66 pg_edit_init_bitfield (&e->priority, srp_and_ethernet_header_t,
69 pg_edit_init_bitfield (&e->parity, srp_and_ethernet_header_t,
72 pg_edit_init (&e->type, srp_and_ethernet_header_t, ethernet.type);
73 pg_edit_init (&e->src_address, srp_and_ethernet_header_t, ethernet.src_address);
74 pg_edit_init (&e->dst_address, srp_and_ethernet_header_t, ethernet.dst_address);
78 unformat_pg_srp_header (unformat_input_t * input, va_list * args)
80 pg_stream_t * s = va_arg (*args, pg_stream_t *);
82 u32 error, group_index;
84 e = pg_create_edit_group (s, sizeof (e[0]), sizeof (srp_header_t),
86 pg_srp_header_init (e);
89 if (! unformat (input, "%U: %U -> %U",
91 unformat_ethernet_type_net_byte_order, &e->type,
93 unformat_ethernet_address, &e->src_address,
95 unformat_ethernet_address, &e->dst_address))
102 h.mode = SRP_MODE_data;
104 h.parity = count_set_bits (h.as_u16) ^ 1;
106 pg_edit_set_fixed (&e->mode, h.mode);
107 pg_edit_set_fixed (&e->ttl, h.ttl);
108 pg_edit_set_fixed (&e->is_inner_ring, h.is_inner_ring);
109 pg_edit_set_fixed (&e->priority, h.priority);
110 pg_edit_set_fixed (&e->parity, h.parity);
114 while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
116 if (unformat (input, "mode %U",
118 unformat_pg_number, &e->mode))
120 else if (unformat (input, "ttl %U",
122 unformat_pg_number, &e->ttl))
124 else if (unformat (input, "priority %U",
126 unformat_pg_number, &e->priority))
133 ethernet_main_t * em = ðernet_main;
134 ethernet_type_info_t * ti = 0;
135 pg_node_t * pg_node = 0;
137 if (e->type.type == PG_EDIT_FIXED)
139 u16 t = *(u16 *) e->type.values[PG_EDIT_LO];
140 ti = ethernet_get_type_info (em, clib_net_to_host_u16 (t));
141 if (ti && ti->node_index != ~0)
142 pg_node = pg_get_node (ti->node_index);
145 if (pg_node && pg_node->unformat_edit
146 && unformat_user (input, pg_node->unformat_edit, s))
148 else if (! unformat_user (input, unformat_pg_payload, s))
154 pg_free_edit_group (s);