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Merge pull request #3669 from cgundogan/pr/gnrc/ipv6/remove_padding

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gnrc_ipv6.c: remove padding added by lower layers
This commit is contained in:
Martine Lenders 2015-08-20 08:35:03 +02:00
commit d438984ae5
1 changed files with 6 additions and 0 deletions
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6
sys/net/gnrc/network_layer/ipv6/gnrc_ipv6.c
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@ -656,6 +656,12 @@ static void _receive(gnrc_pktsnip_t *pkt)
/* extract header */ /* extract header */
hdr = (ipv6_hdr_t *)ipv6->data; hdr = (ipv6_hdr_t *)ipv6->data;
/* if available, remove any padding that was added by lower layers
* to fulfill their minimum size requirements (e.g. ethernet) */
if (byteorder_ntohs(hdr->len) < pkt->size) {
gnrc_pktbuf_realloc_data(pkt, byteorder_ntohs(hdr->len));
}
DEBUG("ipv6: Received (src = %s, ", DEBUG("ipv6: Received (src = %s, ",
ipv6_addr_to_str(addr_str, &(hdr->src), sizeof(addr_str))); ipv6_addr_to_str(addr_str, &(hdr->src), sizeof(addr_str)));
DEBUG("dst = %s, next header = %" PRIu8 ", length = %" PRIu16 ")\n", DEBUG("dst = %s, next header = %" PRIu8 ", length = %" PRIu16 ")\n",