ieee802154: add support for listen-before-talk in wpan_phy
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>
diff --git a/include/net/wpan-phy.h b/include/net/wpan-phy.h
index 47fc0c1..804e6c4f5 100644
--- a/include/net/wpan-phy.h
+++ b/include/net/wpan-phy.h
@@ -47,6 +47,8 @@
s8 transmit_power;
u8 cca_mode;
+ bool lbt;
+
struct device dev;
int idx;
@@ -55,6 +57,7 @@
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)));
};