[PATCH net-next 09/15] 6lowpan: add a new parameter in sysfs to turn on/off ACK request at MAC layer
DORMANTno replies
From: Tony Cheneau <hidden>
Date: 2012-10-23 04:09:51
Subsystem:
ieee 802.15.4 subsystem, networking [general], the rest · Maintainers:
Alexander Aring, Stefan Schmidt, Miquel Raynal, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds
Signed-off-by: Tony Cheneau <redacted> --- net/ieee802154/6lowpan.c | 9 ++++++++- 1 files changed, 8 insertions(+), 1 deletions(-)
diff --git a/net/ieee802154/6lowpan.c b/net/ieee802154/6lowpan.c
index 24b83fa..f8fcdae 100644
--- a/net/ieee802154/6lowpan.c
+++ b/net/ieee802154/6lowpan.c@@ -62,6 +62,8 @@ #include "6lowpan.h" +static bool req_802154_ack; + /* TTL uncompression values */ static const u8 lowpan_ttl_values[] = {0, 1, 64, 255};
@@ -596,7 +598,8 @@ static int lowpan_header_create(struct sk_buff *skb, memcpy(&(da.hwaddr), daddr, 8); /* request acknowledgment */ - mac_cb(skb)->flags |= MAC_CB_FLAG_ACKREQ; + if (req_802154_ack) + mac_cb(skb)->flags |= MAC_CB_FLAG_ACKREQ; } return dev_hard_header(skb, lowpan_dev_info(dev)->real_dev,
@@ -1366,6 +1369,10 @@ static void __exit lowpan_cleanup_module(void) } module_init(lowpan_init_module); + +module_param(req_802154_ack, bool, 0644); +MODULE_PARM_DESC(req_802154_ack, "request link-layer (i.e. IEEE 802.15.4) acknowledgments"); + module_exit(lowpan_cleanup_module); MODULE_LICENSE("GPL"); MODULE_ALIAS_RTNL_LINK("lowpan");
--
1.7.8.6
------------------------------------------------------------------------------
Everyone hates slow websites. So do we.
Make your web apps faster with AppDynamics
Download AppDynamics Lite for free today:
http://p.sf.net/sfu/appdyn_sfd2d_oct