This feature is especially important when using fragmentation, because
the reassembly mechanism cannot recover from the loss of a fragment.
Note that some hardware ignore this flag and not will not transmit
acknowledgments even if this is set.
Signed-off-by: Tony Cheneau <tony.chen...@amnesiak.org>
---
net/ieee802154/6lowpan.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/net/ieee802154/6lowpan.c b/net/ieee802154/6lowpan.c
index 9f53904..e7f61de 100644
--- a/net/ieee802154/6lowpan.c
+++ b/net/ieee802154/6lowpan.c
@@ -584,6 +584,10 @@ static int lowpan_header_create(struct sk_buff *skb,
mac_cb(skb)->flags = IEEE802154_FC_TYPE_DATA;
+ /* request acknowledgment when possible */
+ if (!lowpan_is_addr_broadcast(daddr))
+ mac_cb(skb)->flags |= MAC_CB_FLAG_ACKREQ;
+
return dev_hard_header(skb, lowpan_dev_info(dev)->real_dev,
type, (void *)&da, (void *)&sa, skb->len);
}
--
1.7.12.4
------------------------------------------------------------------------------
Own the Future-Intel® Level Up Game Demo Contest 2013
Rise to greatness in Intel's independent game demo contest.
Compete for recognition, cash, and the chance to get your game
on Steam. $5K grand prize plus 10 genre and skill prizes.
Submit your demo by 6/6/13. http://p.sf.net/sfu/intel_levelupd2d
_______________________________________________
Linux-zigbee-devel mailing list
Linux-zigbee-devel@lists.sourceforge.net
https://lists.sourceforge.net/lists/listinfo/linux-zigbee-devel
