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ieee802154: add support for listen-before-talk in wpan_phy

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Listen-before-talk is an alternative to CSMA in uncoordinated networks
and prescribed by european regulations if one wants to have a device
with radio duty cycles above 10% (or less in some bands). Add a phy
property to enable/disable LBT in the phy, including support in the
at86rf230 driver for RF212 chips.

Signed-off-by: Phoebe Buckheister <phoebe.buckheister@itwm.fraunhofer.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Phoebe Buckheister 2014-02-17 11:34:10 +01:00 • committed by David S. Miller
parent 643e53c20a
commit 84dda3c648
7 changed files with 78 additions and 13 deletions
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3
include/net/wpan-phy.h
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@ -47,6 +47,8 @@ struct wpan_phy {
s8 transmit_power;
u8 cca_mode;
bool lbt;
struct device dev;
int idx;
@ -55,6 +57,7 @@ struct wpan_phy {
void (*del_iface)(struct wpan_phy *phy, struct net_device *dev);
int (*set_txpower)(struct wpan_phy *phy, int db);
int (*set_lbt)(struct wpan_phy *phy, bool on);
char priv[0] __attribute__((__aligned__(NETDEV_ALIGN)));
};