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authorPhoebe Buckheister <phoebe.buckheister@itwm.fraunhofer.de>2014-02-17 14:34:08 +0400
committerDavid S. Miller <davem@davemloft.net>2014-02-18 01:42:38 +0400
commit9b2777d6089bcd7fb035847f907280560fe233c8 (patch)
tree868e579924e3c6cd154996acfef67fb9157e8b26 /include/net/wpan-phy.h
parent5b520bbb538da7f7122b1e5dc85f2b4c592d4781 (diff)
downloadlinux-9b2777d6089bcd7fb035847f907280560fe233c8.tar.xz
ieee802154: add TX power control to wpan_phy
Replace the current u8 transmit_power in wpan_phy with s8 transmit_power. The u8 field contained the actual tx power and a tolerance field, which no physical radio every used. Adjust sysfs entries to keep compatibility with userspace, give tolerances of +-1dB statically there. This patch only adds support for this in the at86rf230 driver and the RF212 chip. Configuration calculation for RF212 is also somewhat basic, but does the job - the RF212 datasheet gives a large table with suggested values for combinations of TX power and page/channel, if this does not work well, we might have to copy the whole table. Signed-off-by: Phoebe Buckheister <phoebe.buckheister@itwm.fraunhofer.de> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include/net/wpan-phy.h')
-rw-r--r--include/net/wpan-phy.h6
1 files changed, 4 insertions, 2 deletions
diff --git a/include/net/wpan-phy.h b/include/net/wpan-phy.h
index b52bda8d13b1..47fc0c1bc3c7 100644
--- a/include/net/wpan-phy.h
+++ b/include/net/wpan-phy.h
@@ -37,14 +37,14 @@ struct wpan_phy {
struct mutex pib_lock;
/*
- * This is a PIB according to 802.15.4-2006.
+ * This is a PIB according to 802.15.4-2011.
* We do not provide timing-related variables, as they
* aren't used outside of driver
*/
u8 current_channel;
u8 current_page;
u32 channels_supported[32];
- u8 transmit_power;
+ s8 transmit_power;
u8 cca_mode;
struct device dev;
@@ -54,6 +54,8 @@ struct wpan_phy {
const char *name, int type);
void (*del_iface)(struct wpan_phy *phy, struct net_device *dev);
+ int (*set_txpower)(struct wpan_phy *phy, int db);
+
char priv[0] __attribute__((__aligned__(NETDEV_ALIGN)));
};