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authorPhoebe Buckheister <phoebe.buckheister@itwm.fraunhofer.de>2014-02-17 11:34:08 +0100
committerDavid S. Miller <davem@davemloft.net>2014-02-17 16:42:38 -0500
commit9b2777d6089bcd7fb035847f907280560fe233c8 (patch)
tree868e579924e3c6cd154996acfef67fb9157e8b26 /net/ieee802154/nl_policy.c
parent5b520bbb538da7f7122b1e5dc85f2b4c592d4781 (diff)
downloadlinux-9b2777d6089bcd7fb035847f907280560fe233c8.tar.bz2
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 'net/ieee802154/nl_policy.c')
-rw-r--r--net/ieee802154/nl_policy.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/net/ieee802154/nl_policy.c b/net/ieee802154/nl_policy.c
index 6adda4d46f95..90b1d0d2c14e 100644
--- a/net/ieee802154/nl_policy.c
+++ b/net/ieee802154/nl_policy.c
@@ -52,5 +52,7 @@ const struct nla_policy ieee802154_policy[IEEE802154_ATTR_MAX + 1] = {
[IEEE802154_ATTR_DURATION] = { .type = NLA_U8, },
[IEEE802154_ATTR_ED_LIST] = { .len = 27 },
[IEEE802154_ATTR_CHANNEL_PAGE_LIST] = { .len = 32 * 4, },
+
+ [IEEE802154_ATTR_TXPOWER] = { .type = NLA_S8, },
};