table.h

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/*
 * Copyright (C) 2014  Martin Landsmann <Martin.Landsmann@HAW-Hamburg.de>
 *
 * This file is subject to the terms and conditions of the GNU Lesser
 * General Public License v2.1. See the file LICENSE in the top level
 * directory for more details.
 */
 
#pragma once

 
#include <stdint.h>
 
#include "sched.h"
#include "universal_address.h"
#include "mutex.h"
 
#ifdef __cplusplus
extern "C" {
#endif

#define FIB_MAX_REGISTERED_RP (5)

typedef struct {
    kernel_pid_t iface_id;
    uint64_t lifetime;
    uint32_t global_flags;
    universal_address_container_t *global;
    uint32_t next_hop_flags;
    universal_address_container_t *next_hop;
} fib_entry_t;

typedef struct fib_sr_entry {
    universal_address_container_t *address;
    struct fib_sr_entry *next;
} fib_sr_entry_t;

typedef struct {
    kernel_pid_t sr_iface_id;
    uint64_t sr_lifetime;
    uint32_t sr_flags;
    fib_sr_entry_t *sr_path;
    fib_sr_entry_t *sr_dest;
} fib_sr_t;

typedef struct {
    fib_sr_t *headers;
    fib_sr_entry_t *entry_pool;
    size_t entry_pool_size;
} fib_sr_meta_t;

#define FIB_TABLE_TYPE_SH (1)

#define FIB_TABLE_TYPE_SR (FIB_TABLE_TYPE_SH + 1)

typedef struct {
    union{
        fib_entry_t *entries;
        fib_sr_meta_t *source_routes;
    }data;
    uint8_t table_type;
    size_t size;
    mutex_t mtx_access;
    size_t notify_rp_pos;
    kernel_pid_t notify_rp[FIB_MAX_REGISTERED_RP];
    universal_address_container_t* prefix_rp[FIB_MAX_REGISTERED_RP];
} fib_table_t;
 
#ifdef __cplusplus
}
#endif