ext.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_IPV6_EXT_H
#define NET_IPV6_EXT_H
 
#include <stdint.h>
 
#include "net/ipv6/ext/frag.h"
#include "net/ipv6/ext/rh.h"
 
#ifdef __cplusplus
extern "C" {
#endif
 
#define IPV6_EXT_LEN_UNIT   (8U)    
typedef struct __attribute__((packed)) {
    uint8_t nh;     
    uint8_t len;    
} ipv6_ext_t;
 
static inline ipv6_ext_t *ipv6_ext_get_next(ipv6_ext_t *ext)
{
    return (ipv6_ext_t *)((uint8_t *)(ext) + (ext->len * IPV6_EXT_LEN_UNIT) +
                          IPV6_EXT_LEN_UNIT);
}
 
#ifdef __cplusplus
}
#endif
 
#endif /* NET_IPV6_EXT_H */