From 7cd468a3d7dee7d6c92f69a0bb7061ae208ec727 Mon Sep 17 00:00:00 2001 From: Damjan Marion Date: Mon, 19 Dec 2016 23:05:39 +0100 Subject: Reorganize source tree to use single autotools instance Change-Id: I7b51f88292e057c6443b12224486f2d0c9f8ae23 Signed-off-by: Damjan Marion --- src/vnet/dpo/lookup_dpo.h | 108 ++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 108 insertions(+) create mode 100644 src/vnet/dpo/lookup_dpo.h (limited to 'src/vnet/dpo/lookup_dpo.h') diff --git a/src/vnet/dpo/lookup_dpo.h b/src/vnet/dpo/lookup_dpo.h new file mode 100644 index 00000000000..ff283388868 --- /dev/null +++ b/src/vnet/dpo/lookup_dpo.h @@ -0,0 +1,108 @@ +/* + * Copyright (c) 2016 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. + */ + +#ifndef __LOOKUP_DPO_H__ +#define __LOOKUP_DPO_H__ + +#include +#include +#include + +/** + * Switch to use the packet's source or destination address for lookup + */ +typedef enum lookup_input_t_ { + LOOKUP_INPUT_SRC_ADDR, + LOOKUP_INPUT_DST_ADDR, +} __attribute__ ((packed)) lookup_input_t; + +#define LOOKUP_INPUTS { \ + [LOOKUP_INPUT_SRC_ADDR] = "src-address", \ + [LOOKUP_INPUT_DST_ADDR] = "dst-address", \ +} + +/** + * Switch to use the packet's source or destination address for lookup + */ +typedef enum lookup_table_t_ { + LOOKUP_TABLE_FROM_INPUT_INTERFACE, + LOOKUP_TABLE_FROM_CONFIG, +} __attribute__ ((packed)) lookup_table_t; + +#define LOOKUP_TABLES { \ + [LOOKUP_INPUT_SRC_ADDR] = "table-input-interface", \ + [LOOKUP_INPUT_DST_ADDR] = "table-configured", \ +} + +/** + * A representation of an MPLS label for imposition in the data-path + */ +typedef struct lookup_dpo_t +{ + /** + * The FIB, or interface from which to get a FIB, in which to perform + * the next lookup; + */ + fib_node_index_t lkd_fib_index; + + /** + * The protocol of the FIB for the lookup, and hence + * the protocol of the packet + */ + dpo_proto_t lkd_proto; + + /** + * Switch to use src or dst address + */ + lookup_input_t lkd_input; + + /** + * Switch to use the table index passed, or the table of the input interface + */ + lookup_table_t lkd_table; + + /** + * Number of locks + */ + u16 lkd_locks; +} lookup_dpo_t; + +extern void lookup_dpo_add_or_lock_w_fib_index(fib_node_index_t fib_index, + dpo_proto_t proto, + lookup_input_t input, + lookup_table_t table, + dpo_id_t *dpo); +extern void lookup_dpo_add_or_lock_w_table_id(u32 table_id, + dpo_proto_t proto, + lookup_input_t input, + lookup_table_t table, + dpo_id_t *dpo); + +extern u8* format_lookup_dpo(u8 *s, va_list *args); + +/* + * Encapsulation violation for fast data-path access + */ +extern lookup_dpo_t *lookup_dpo_pool; + +static inline lookup_dpo_t * +lookup_dpo_get (index_t index) +{ + return (pool_elt_at_index(lookup_dpo_pool, index)); +} + +extern void lookup_dpo_module_init(void); + +#endif -- cgit 1.2.3-korg