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authorPhoebe Buckheister <phoebe.buckheister@itwm.fraunhofer.de>2014-02-17 11:34:12 +0100
committerDavid S. Miller <davem@davemloft.net>2014-02-17 22:42:38 +0100
commit6ca001978dce0d50ebac01a38d6287f241a520c6 (patch)
tree2ed75aadbfb16ca006a2cd94bc30ebf614783ffc /net/ieee802154/nl_policy.c
parentieee802154: add support for CCA mode in wpan phys (diff)
downloadlinux-6ca001978dce0d50ebac01a38d6287f241a520c6.tar.xz
linux-6ca001978dce0d50ebac01a38d6287f241a520c6.zip
ieee802154: add support for setting CCA energy detection levels
Since three of the four clear channel assesment modes make use of energy detection, provide an API to set the energy detection threshold. Driver support for this is available in at86rf230 for the RF212 chips. Since for these chips the minimal energy detection threshold depends on page and channel used, add a field to struct at86rf230_local that stores the minimal threshold. Actual ED thresholds are configured as offsets from this value. For RF212, setting the ED threshold will not work before a channel/page has been set due to the dependency of energy detection in the chip and the actual channel/page selected. 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.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/net/ieee802154/nl_policy.c b/net/ieee802154/nl_policy.c
index d87c2c904110..55b5616295ff 100644
--- a/net/ieee802154/nl_policy.c
+++ b/net/ieee802154/nl_policy.c
@@ -56,5 +56,6 @@ const struct nla_policy ieee802154_policy[IEEE802154_ATTR_MAX + 1] = {
[IEEE802154_ATTR_TXPOWER] = { .type = NLA_S8, },
[IEEE802154_ATTR_LBT_ENABLED] = { .type = NLA_U8, },
[IEEE802154_ATTR_CCA_MODE] = { .type = NLA_U8, },
+ [IEEE802154_ATTR_CCA_ED_LEVEL] = { .type = NLA_S32, },
};