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Estimated fragments should take into account 802.15.4 header size

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This commit is contained in:
Laurent Deru 2015-06-12 16:02:50 +02:00
parent 0a648df3c3
commit c5b563f8e1
1 changed files with 1 additions and 1 deletions
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core/net/ipv6/sicslowpan.c
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@ -1455,7 +1455,7 @@ output(const uip_lladdr_t *localdest)
* IPv6/HC1/HC06/HC_UDP dispatchs/headers. * IPv6/HC1/HC06/HC_UDP dispatchs/headers.
* The following fragments contain only the fragn dispatch. * The following fragments contain only the fragn dispatch.
*/ */
int estimated_fragments = ((int)uip_len) / ((int)MAC_MAX_PAYLOAD - SICSLOWPAN_FRAGN_HDR_LEN) + 1; int estimated_fragments = ((int)uip_len) / (max_payload - SICSLOWPAN_FRAGN_HDR_LEN) + 1;
int freebuf = queuebuf_numfree() - 1; int freebuf = queuebuf_numfree() - 1;
PRINTFO("uip_len: %d, fragments: %d, free bufs: %d\n", uip_len, estimated_fragments, freebuf); PRINTFO("uip_len: %d, fragments: %d, free bufs: %d\n", uip_len, estimated_fragments, freebuf);
if(freebuf < estimated_fragments) { if(freebuf < estimated_fragments) {