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4065da8838
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 ---
46 lines
904 B
C
46 lines
904 B
C
/*
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* Copyright (C) 2017 Freie Universität Berlin
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*
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* This file is subject to the terms and conditions of the GNU Lesser
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* General Public License v2.1. See the file LICENSE in the top level
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* directory for more details.
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*/
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/**
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* @ingroup net_gnrc_netif
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* @{
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*
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* @file
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* @brief 6LoWPAN definitions for @ref net_gnrc_netif
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*
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* @author Martine Lenders <m.lenders@fu-berlin.de>
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*/
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#ifndef NET_GNRC_NETIF_6LO_H
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#define NET_GNRC_NETIF_6LO_H
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#include <stdint.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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/**
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* @brief 6Lo component of @ref gnrc_netif_t
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*/
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typedef struct {
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/**
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* @brief Maximum fragment size for 6Lo fragmentation.
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*
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* @note Only available with module
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* @ref net_gnrc_sixlowpan_frag "gnrc_sixlowpan_frag".
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*/
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uint16_t max_frag_size;
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} gnrc_netif_6lo_t;
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#ifdef __cplusplus
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}
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#endif
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#endif /* NET_GNRC_NETIF_6LO_H */
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/** @} */
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