+++ /dev/null
-/*
- * 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.
- */
-/*
- * ethernet_pg.c: packet generator ethernet 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/ethernet/ethernet.h>
-
-typedef struct
-{
- pg_edit_t type;
- pg_edit_t src_address;
- pg_edit_t dst_address;
-} pg_ethernet_header_t;
-
-static inline void
-pg_ethernet_header_init (pg_ethernet_header_t * e)
-{
- pg_edit_init (&e->type, ethernet_header_t, type);
- pg_edit_init (&e->src_address, ethernet_header_t, src_address);
- pg_edit_init (&e->dst_address, ethernet_header_t, dst_address);
-}
-
-typedef struct
-{
- pg_edit_t type;
- pg_edit_t id;
- pg_edit_t cfi;
- pg_edit_t priority;
-} pg_ethernet_vlan_header_t;
-
-static inline void
-pg_ethernet_vlan_header_init (pg_ethernet_vlan_header_t * v, int vlan_index)
-{
- ASSERT (vlan_index < ARRAY_LEN (((ethernet_max_header_t *) 0)->vlan));
- pg_edit_init (&v->type, ethernet_max_header_t, vlan[vlan_index].type);
-
- pg_edit_init_bitfield (&v->id, ethernet_max_header_t,
- vlan[vlan_index].priority_cfi_and_id, 0, 12);
- pg_edit_init_bitfield (&v->cfi, ethernet_max_header_t,
- vlan[vlan_index].priority_cfi_and_id, 12, 1);
- pg_edit_init_bitfield (&v->priority, ethernet_max_header_t,
- vlan[vlan_index].priority_cfi_and_id, 13, 3);
-}
-
-uword
-unformat_pg_ethernet_header (unformat_input_t * input, va_list * args)
-{
- pg_stream_t *s = va_arg (*args, pg_stream_t *);
- pg_ethernet_header_t *e;
- pg_ethernet_vlan_header_t *v;
- pg_edit_t *ether_type_edit;
- u32 n_vlan, error, group_index;
-
- e = pg_create_edit_group (s, sizeof (e[0]), sizeof (ethernet_header_t),
- &group_index);
- pg_ethernet_header_init (e);
- error = 1;
-
- if (!unformat (input, "%U: %U -> %U",
- unformat_pg_edit,
- unformat_ethernet_type_net_byte_order, &e->type,
- unformat_pg_edit,
- unformat_ethernet_address, &e->src_address,
- unformat_pg_edit,
- unformat_ethernet_address, &e->dst_address))
- goto done;
-
- n_vlan = 0;
- while (unformat (input, "vlan"))
- {
- v = pg_add_edits (s, sizeof (v[0]), sizeof (ethernet_vlan_header_t),
- group_index);
- pg_ethernet_vlan_header_init (v, n_vlan);
-
- if (!unformat_user (input, unformat_pg_edit,
- unformat_pg_number, &v->id))
- goto done;
-
- if (!unformat (input, "priority %U", unformat_pg_edit,
- unformat_pg_number, &v->priority))
- pg_edit_set_fixed (&v->priority, 0);
-
- if (!unformat (input, "cfi %U", unformat_pg_edit,
- unformat_pg_number, &v->cfi))
- pg_edit_set_fixed (&v->cfi, 0);
-
- /* Too many vlans given. */
- if (n_vlan >= 2)
- goto done;
-
- n_vlan++;
- }
-
- /* Address of e may have changed due to vlan edits being added */
- e = pg_get_edit_group (s, group_index);
- v = (void *) (e + 1);
-
- /* Correct types for vlan packets. */
- ether_type_edit = &e->type;
- if (n_vlan > 0)
- {
- int i;
-
- ether_type_edit = &v[n_vlan - 1].type;
- pg_edit_copy_type_and_values (ether_type_edit, &e->type);
- pg_edit_set_fixed (&e->type, ETHERNET_TYPE_VLAN);
-
- for (i = 0; i < n_vlan - 1; i++)
- pg_edit_set_fixed (&v[i].type, ETHERNET_TYPE_VLAN);
- }
-
- {
- ethernet_main_t *em = ðernet_main;
- ethernet_type_info_t *ti = 0;
- pg_node_t *pg_node = 0;
-
- if (ether_type_edit->type == PG_EDIT_FIXED)
- {
- u16 t = *(u16 *) ether_type_edit->values[PG_EDIT_LO];
- ti = ethernet_get_type_info (em, clib_net_to_host_u16 (t));
- if (ti && ti->node_index != ~0)
- pg_node = pg_get_node (ti->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:
- */
Code Review / vpp.git / blobdiff