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sicslowpan: Fixed too aggresive fragmentation

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This commit is contained in:
kkrentz 2014-02-09 06:02:55 -08:00
parent 2cf7d98cad
commit 677c078302
5 changed files with 35 additions and 13 deletions
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11
core/contiki-default-conf.h
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@ -220,13 +220,12 @@
#define SICSLOWPAN_CONF_FRAG 1
#endif /* SICSLOWPAN_CONF_FRAG */
/* SICSLOWPAN_CONF_MAC_MAX_PAYLOAD specifies the maximum size of
packets before they get fragmented. The default is 127 bytes (the
maximum size of a 802.15.4 frame) - 25 bytes (for the 802.15.4 MAC
layer header). This can be increased for systems with larger packet
sizes. */
/* SICSLOWPAN_CONF_MAC_MAX_PAYLOAD is the maximum available size for
frame headers, link layer security-related overhead, as well as
6LoWPAN payload. By default, SICSLOWPAN_CONF_MAC_MAX_PAYLOAD is
127 bytes (MTU of 802.15.4) - 2 bytes (Footer of 802.15.4). */
#ifndef SICSLOWPAN_CONF_MAC_MAX_PAYLOAD
#define SICSLOWPAN_CONF_MAC_MAX_PAYLOAD (127 - 25)
#define SICSLOWPAN_CONF_MAC_MAX_PAYLOAD (127 - 2)
#endif /* SICSLOWPAN_CONF_MAC_MAX_PAYLOAD */
/* SICSLOWPAN_CONF_COMPRESSION_THRESHOLD sets a lower threshold for