diff options
author | Ed Warnicke <eaw@cisco.com> | 2015-12-08 15:45:58 -0700 |
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committer | Ed Warnicke <eaw@cisco.com> | 2015-12-08 15:47:27 -0700 |
commit | cb9cadad578297ffd78fa8a33670bdf1ab669e7e (patch) | |
tree | 6ac2be912482cc7849a26f0ab845561c3d7f4e26 /vnet/vnet/snap/pg.c | |
parent | fb0815d4ae4bb0fe27bd9313f34b45c8593b907e (diff) |
Initial commit of vpp code.v1.0.0
Change-Id: Ib246f1fbfce93274020ee93ce461e3d8bd8b9f17
Signed-off-by: Ed Warnicke <eaw@cisco.com>
Diffstat (limited to 'vnet/vnet/snap/pg.c')
-rw-r--r-- | vnet/vnet/snap/pg.c | 108 |
1 files changed, 108 insertions, 0 deletions
diff --git a/vnet/vnet/snap/pg.c b/vnet/vnet/snap/pg.c new file mode 100644 index 00000000000..74c363fcc69 --- /dev/null +++ b/vnet/vnet/snap/pg.c @@ -0,0 +1,108 @@ +/* + * 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. + */ +/* + * snap_pg.c: packet generator snap 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/snap/snap.h> + +typedef struct { + pg_edit_t oui; + pg_edit_t protocol; +} pg_snap_header_t; + +static inline void +pg_snap_header_init (pg_snap_header_t * e) +{ + pg_edit_init (&e->oui, snap_header_t, oui); + pg_edit_init (&e->protocol, snap_header_t, protocol); +} + +uword +unformat_pg_snap_header (unformat_input_t * input, va_list * args) +{ + pg_stream_t * s = va_arg (*args, pg_stream_t *); + pg_snap_header_t * h; + u32 group_index, error; + + h = pg_create_edit_group (s, sizeof (h[0]), sizeof (snap_header_t), + &group_index); + pg_snap_header_init (h); + + error = 1; + if (! unformat (input, "%U -> %U", + unformat_pg_edit, + unformat_snap_protocol, &h->oui, &h->protocol)) + goto done; + + { + snap_main_t * pm = &snap_main; + snap_protocol_info_t * pi = 0; + pg_node_t * pg_node = 0; + + if (h->oui.type == PG_EDIT_FIXED + && h->protocol.type == PG_EDIT_FIXED) + { + u8 * o = h->oui.values[PG_EDIT_LO]; + u8 * p = h->protocol.values[PG_EDIT_LO]; + snap_header_t h; + + h.oui[0] = o[0]; + h.oui[1] = o[1]; + h.oui[2] = o[2]; + h.protocol = *(u16 *) p; + pi = snap_get_protocol_info (pm, &h); + 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; +} + |