ctx.h

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/*
 * Copyright (C) 2015 Martine Lenders <mlenders@inf.fu-berlin.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.
 */
 
#ifndef NET_GNRC_SIXLOWPAN_CTX_H
#define NET_GNRC_SIXLOWPAN_CTX_H
 
#include <inttypes.h>
#include <stdbool.h>
 
#include "net/ipv6/addr.h"
 
#ifdef __cplusplus
extern "C" {
#endif
 
#define GNRC_SIXLOWPAN_CTX_SIZE (16)    
#define GNRC_SIXLOWPAN_CTX_FLAGS_CID_MASK   (0x0f)  
#define GNRC_SIXLOWPAN_CTX_FLAGS_COMP       (0x10)  
typedef struct {
    ipv6_addr_t prefix;     
    uint8_t prefix_len;     
    uint8_t flags_id;
    uint16_t ltime;
} gnrc_sixlowpan_ctx_t;
 
gnrc_sixlowpan_ctx_t *gnrc_sixlowpan_ctx_lookup_addr(const ipv6_addr_t *addr);
 
gnrc_sixlowpan_ctx_t *gnrc_sixlowpan_ctx_lookup_id(uint8_t id);
 
gnrc_sixlowpan_ctx_t *gnrc_sixlowpan_ctx_update(uint8_t id, const ipv6_addr_t *prefix,
                                                uint8_t prefix_len, uint16_t ltime,
                                                bool comp);
 
#ifdef MODULE_GNRC_SIXLOWPAN_CTX
 
static inline void gnrc_sixlowpan_ctx_remove(uint8_t id)
{
    gnrc_sixlowpan_ctx_lookup_id(id)->prefix_len = 0;
}
#endif
 
#ifdef TEST_SUITES
 
void gnrc_sixlowpan_ctx_reset(void);
#endif
 
#ifdef __cplusplus
}
#endif
 
#endif /* NET_GNRC_SIXLOWPAN_CTX_H */