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Merge pull request #3149 from haukepetersen/fix_at86_ackreq

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drivers/ng_at86rf: disable ack req on bcast/mcast
This commit is contained in:
Martine Lenders 2015-06-03 00:37:56 +02:00
commit 574d0d02bc
1 changed files with 3 additions and 1 deletions
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4
drivers/ng_at86rf2xx/ng_at86rf2xx_netdev.c
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@ -40,7 +40,9 @@ static size_t _make_data_frame_hdr(ng_at86rf2xx_t *dev, uint8_t *buf,
buf[1] = 0x88; /* use short src and dst addresses as starting point */
/* if AUTOACK is enabled, then we also expect ACKs for this packet */
if (dev->options & NG_AT86RF2XX_OPT_AUTOACK) {
if (!(hdr->flags & NG_NETIF_HDR_FLAGS_BROADCAST) &&
!(hdr->flags & NG_NETIF_HDR_FLAGS_MULTICAST) &&
(dev->options & NG_AT86RF2XX_OPT_AUTOACK)) {
buf[0] |= NG_IEEE802154_FCF_ACK_REQ;
}