aba0fe494d
Change-Id: I637f1860fedb208d7242dc2798b3d55abac891a3 Signed-off-by: Calvin <calvin.ference@gmail.com>
115 lines
3.4 KiB
C
115 lines
3.4 KiB
C
/*
|
|
* Copyright (c) 2015 Cisco and/or its affiliates.
|
|
* Licensed under the Apache License, Version 2.0 (the "License");
|
|
* you may not use this file except in compliance with the License.
|
|
* You may obtain a copy of the License at:
|
|
*
|
|
* http://www.apache.org/licenses/LICENSE-2.0
|
|
*
|
|
* Unless required by applicable law or agreed to in writing, software
|
|
* distributed under the License is distributed on an "AS IS" BASIS,
|
|
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
* See the License for the specific language governing permissions and
|
|
* limitations under the License.
|
|
*/
|
|
/*
|
|
* ppp_pg.c: packet generator ppp interface
|
|
*
|
|
* Copyright (c) 2008 Eliot Dresselhaus
|
|
*
|
|
* Permission is hereby granted, free of charge, to any person obtaining
|
|
* a copy of this software and associated documentation files (the
|
|
* "Software"), to deal in the Software without restriction, including
|
|
* without limitation the rights to use, copy, modify, merge, publish,
|
|
* distribute, sublicense, and/or sell copies of the Software, and to
|
|
* permit persons to whom the Software is furnished to do so, subject to
|
|
* the following conditions:
|
|
*
|
|
* The above copyright notice and this permission notice shall be
|
|
* included in all copies or substantial portions of the Software.
|
|
*
|
|
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
|
|
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
|
|
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
|
|
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
|
|
* LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
|
|
* OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
|
|
* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
|
|
*/
|
|
|
|
#include <vlib/vlib.h>
|
|
#include <vnet/pg/pg.h>
|
|
#include <vnet/ppp/ppp.h>
|
|
|
|
typedef struct
|
|
{
|
|
pg_edit_t address;
|
|
pg_edit_t control;
|
|
pg_edit_t protocol;
|
|
} pg_ppp_header_t;
|
|
|
|
static inline void
|
|
pg_ppp_header_init (pg_ppp_header_t * e)
|
|
{
|
|
pg_edit_init (&e->address, ppp_header_t, address);
|
|
pg_edit_init (&e->control, ppp_header_t, control);
|
|
pg_edit_init (&e->protocol, ppp_header_t, protocol);
|
|
}
|
|
|
|
uword
|
|
unformat_pg_ppp_header (unformat_input_t * input, va_list * args)
|
|
{
|
|
pg_stream_t *s = va_arg (*args, pg_stream_t *);
|
|
pg_ppp_header_t *h;
|
|
u32 group_index, error;
|
|
|
|
h = pg_create_edit_group (s, sizeof (h[0]), sizeof (ppp_header_t),
|
|
&group_index);
|
|
pg_ppp_header_init (h);
|
|
|
|
pg_edit_set_fixed (&h->address, 0xff);
|
|
pg_edit_set_fixed (&h->control, 0x03);
|
|
|
|
error = 1;
|
|
if (!unformat (input, "%U",
|
|
unformat_pg_edit,
|
|
unformat_ppp_protocol_net_byte_order, &h->protocol))
|
|
goto done;
|
|
|
|
{
|
|
ppp_main_t *pm = &ppp_main;
|
|
ppp_protocol_info_t *pi = 0;
|
|
pg_node_t *pg_node = 0;
|
|
|
|
if (h->protocol.type == PG_EDIT_FIXED)
|
|
{
|
|
u16 t = *(u16 *) h->protocol.values[PG_EDIT_LO];
|
|
pi = ppp_get_protocol_info (pm, clib_net_to_host_u16 (t));
|
|
if (pi && pi->node_index != ~0)
|
|
pg_node = pg_get_node (pi->node_index);
|
|
}
|
|
|
|
if (pg_node && pg_node->unformat_edit
|
|
&& unformat_user (input, pg_node->unformat_edit, s))
|
|
;
|
|
|
|
else if (!unformat_user (input, unformat_pg_payload, s))
|
|
goto done;
|
|
}
|
|
|
|
error = 0;
|
|
done:
|
|
if (error)
|
|
pg_free_edit_group (s);
|
|
return error == 0;
|
|
}
|
|
|
|
|
|
/*
|
|
* fd.io coding-style-patch-verification: ON
|
|
*
|
|
* Local Variables:
|
|
* eval: (c-set-style "gnu")
|
|
* End:
|
|
*/
|