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RIOT/sys/include/net/gnrc/netif/6lo.h

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/*
* Copyright (C) 2017 Freie Universität Berlin
*
* 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.
*/
/**
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* @ingroup net_gnrc_netif
* @{
*
* @file
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* @brief 6LoWPAN definitions for @ref net_gnrc_netif
*
* @author Martine Lenders <m.lenders@fu-berlin.de>
*/
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#ifndef NET_GNRC_NETIF_6LO_H
#define NET_GNRC_NETIF_6LO_H
#include <stdint.h>
#ifdef __cplusplus
extern "C" {
#endif
/**
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* @brief 6Lo component of @ref gnrc_netif_t
*/
typedef struct {
/**
* @brief Maximum fragment size for 6Lo fragmentation.
*
* @note Only available with module
* @ref net_gnrc_sixlowpan_frag "gnrc_sixlowpan_frag".
*/
gnrc/netif: 6lo: use 16 bit for max_frag_size Using 8 bit for `max_frag_size` limits that value to 255. 802.15.4g specifies a PDU of 2047 bytes which exceeds that limit. Using a 16 bit value here allows to use the full L2 PDU. Before: 12:02:16,300 # ping6 fe80::2068:3123:59f5:d238%8 -s 400 12:02:16,302 # sending 244 bytes 12:02:16,387 # sending 218 bytes 12:02:16,624 # 408 bytes from fe80::2068:3123:59f5:d238%8: icmp_seq=0 ttl=64 rssi=-49 dBm time=316.307 ms 12:02:17,302 # sending 244 bytes 12:02:17,387 # sending 218 bytes 12:02:17,624 # 408 bytes from fe80::2068:3123:59f5:d238%8: icmp_seq=1 ttl=64 rssi=-49 dBm time=316.307 ms 12:02:18,302 # sending 244 bytes 12:02:18,387 # sending 218 bytes 12:02:18,624 # 408 bytes from fe80::2068:3123:59f5:d238%8: icmp_seq=2 ttl=64 rssi=-50 dBm time=316.306 ms 12:02:18,625 # 12:02:18,629 # --- fe80::2068:3123:59f5:d238 PING statistics --- With this patch: 12:09:44,276 # ping6 fe80::2068:3123:59f5:d238%8 -s 400 12:09:44,278 # sending 432 bytes 12:09:44,574 # 408 bytes from fe80::2068:3123:59f5:d238%8: icmp_seq=0 ttl=64 rssi=-52 dBm time=289.888 ms 12:09:45,279 # sending 432 bytes 12:09:45,574 # 408 bytes from fe80::2068:3123:59f5:d238%8: icmp_seq=1 ttl=64 rssi=-52 dBm time=289.885 ms 12:09:46,069 # sending 43 bytes 12:09:46,279 # sending 432 bytes 12:09:46,499 # sending 43 bytes 12:09:46,574 # 408 bytes from fe80::2068:3123:59f5:d238%8: icmp_seq=2 ttl=64 rssi=-47 dBm time=289.886 ms 12:09:46,574 # 12:09:46,578 # --- fe80::2068:3123:59f5:d238 PING statistics ---
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uint16_t max_frag_size;
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} gnrc_netif_6lo_t;
#ifdef __cplusplus
}
#endif
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#endif /* NET_GNRC_NETIF_6LO_H */
/** @} */