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/*
* Copyright (c) 2017 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.
*/
/*
* Internal API to ICN face table
*/
#ifndef _CICN_FACE_H_
#define _CICN_FACE_H_
#if !CICN_VPP_PLUGIN
#error "cicn-internal file included externally"
#endif
#include <vlibsocket/api.h>
#include "cicn_hello.h"
typedef struct cicn_face_stats_s
{
CLIB_CACHE_LINE_ALIGN_MARK (cacheline0);
uint64_t orig_interests;
uint64_t orig_datas;
uint64_t orig_naks;
uint64_t term_interests;
uint64_t term_datas;
uint64_t term_naks;
uint64_t in_interests;
uint64_t in_datas;
uint64_t in_naks;
uint64_t out_interests;
uint64_t out_datas;
uint64_t out_naks;
} cicn_face_stats_t;
/*
* Cache info about 'faces' so we can glue together the cicn
* and vpp views of the world
*/
struct cicn_face_db_entry_s
{
u32 flags;
int faceid; /* Our internal id */
int swif; /* VPP sw if index */
int swif_dev_class_index;
int swif_is_dpdk_driver;
int swif_cloning_supported;
int app_face;
struct sockaddr_in src_addr;
struct sockaddr_in dest_addr;
u8 fe_ha_name_cmn[CICN_HELLO_NAME_CMN_FLEN];
uint32_t fe_fib_nh_cnt; /* Refcount of dependent FIB entries */
cicn_hello_fcd_t fe_ha_fcd_loc;
cicn_hello_fcd_t fe_ha_fcd_nbr;
};
/* Face cache flags */
#define CICN_FACE_FLAG_ADMIN_DOWN 0x02
#define CICN_FACE_FLAG_HELLO_DOWN 0x04
#define CICN_FACE_FLAG_DELETED 0x08
#define CICN_FACE_FLAGS_DEFAULT 0x00
#define CICN_FACE_FLAGS_DOWN_HARD \
(CICN_FACE_FLAG_ADMIN_DOWN | CICN_FACE_FLAG_DELETED)
#define CICN_FACE_FLAGS_DOWN \
(CICN_FACE_FLAGS_DOWN_HARD | CICN_FACE_FLAG_HELLO_DOWN)
/*
* Cache info about 'faces' so we can glue together the cicn
* and vpp views of the world
*/
/* TODO -- use vpp pool instead? */
typedef struct cicn_face_db_s
{
int entry_count;
cicn_face_db_entry_t entries[CICN_PARAM_FACES_MAX];
} cicn_face_db_t;
extern cicn_face_db_t cicn_face_db;
/* Create face, typically while handling cli input. Returns zero
* and mails back the faceid on success.
*/
int cicn_face_add (uint32_t src_addr, uint16_t src_port,
uint32_t dest_addr, uint16_t dest_port,
int app_face, int swif, int *faceid_p,
cicn_rd_t * cicn_rd);
/* update (set or clear) supplied flags in face table entry */
void
cicn_face_flags_update (cicn_face_db_entry_t * face, int set, u32 uflags);
/* update refcount for add/delete of fib entry nh pointing to face */
int cicn_face_fib_nh_cnt_update (int faceid, int add);
/* Find a face entry by face id. Return AOK and mail back face on success */
int cicn_face_entry_find_by_id (int id, cicn_face_db_entry_t ** pface);
/* Find a face cache entry by address, from a packet e.g. */
int cicn_face_entry_find_by_addr (const struct sockaddr_in *src,
const struct sockaddr_in *dest,
cicn_face_db_entry_t ** pface);
/* Find face cache index (e.g. for distributed face statistics) */
int cicn_face_db_index (const cicn_face_db_entry_t * face);
/* Aggregate stats for one face across all cpus */
int cicn_face_stats_aggregate (const cicn_face_db_entry_t * face,
cicn_face_stats_t * face_stats);
/* CLI show output for faces. if 'faceid' >= 0, just show a single face */
int cicn_face_show (int faceid, int detail_p, int internal_p);
#endif // _CICN_FACE_H_
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