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authorAndrei Otcheretianski <andrei.otcheretianski@intel.com>2014-05-09 15:11:46 +0400
committerJohannes Berg <johannes.berg@intel.com>2014-05-15 17:00:42 +0400
commit9a774c78e2114c7e8605e3a168ccd552cbe3d922 (patch)
treed1ba64609c6fc1b0b7609630635ee66c601e30cc /include/uapi/linux/nl80211.h
parent387910cc79da2e529f2fb4ca9428e861b9402975 (diff)
downloadlinux-9a774c78e2114c7e8605e3a168ccd552cbe3d922.tar.xz
cfg80211: Support multiple CSA counters
Change the type of NL80211_ATTR_CSA_C_OFF_BEACON and NL80211_ATTR_CSA_C_OFF_PRESP to be NLA_BINARY which allows userspace to use beacons and probe responses with multiple CSA counters. This isn't breaking the API since userspace can continue to use nla_put_u16 for this attributes, which is equivalent to a single element u16 array. In addition advertise max number of supported CSA counters. This is needed when using CSA and eCSA IEs together. Signed-off-by: Andrei Otcheretianski <andrei.otcheretianski@intel.com> Signed-off-by: Luciano Coelho <luciano.coelho@intel.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Diffstat (limited to 'include/uapi/linux/nl80211.h')
-rw-r--r--include/uapi/linux/nl80211.h11
1 files changed, 7 insertions, 4 deletions
diff --git a/include/uapi/linux/nl80211.h b/include/uapi/linux/nl80211.h
index ec90fc9d2358..0cfa827123ff 100644
--- a/include/uapi/linux/nl80211.h
+++ b/include/uapi/linux/nl80211.h
@@ -1528,10 +1528,10 @@ enum nl80211_commands {
* operation).
* @NL80211_ATTR_CSA_IES: Nested set of attributes containing the IE information
* for the time while performing a channel switch.
- * @NL80211_ATTR_CSA_C_OFF_BEACON: Offset of the channel switch counter
- * field in the beacons tail (%NL80211_ATTR_BEACON_TAIL).
- * @NL80211_ATTR_CSA_C_OFF_PRESP: Offset of the channel switch counter
- * field in the probe response (%NL80211_ATTR_PROBE_RESP).
+ * @NL80211_ATTR_CSA_C_OFF_BEACON: An array of offsets (u16) to the channel
+ * switch counters in the beacons tail (%NL80211_ATTR_BEACON_TAIL).
+ * @NL80211_ATTR_CSA_C_OFF_PRESP: An array of offsets (u16) to the channel
+ * switch counters in the probe response (%NL80211_ATTR_PROBE_RESP).
*
* @NL80211_ATTR_RXMGMT_FLAGS: flags for nl80211_send_mgmt(), u32.
* As specified in the &enum nl80211_rxmgmt_flags.
@@ -1581,6 +1581,8 @@ enum nl80211_commands {
*
* @NL80211_ATTR_CSA_C_OFFSETS_TX: An array of csa counter offsets (u16) which
* should be updated when the frame is transmitted.
+ * @NL80211_ATTR_MAX_CSA_COUNTERS: U8 attribute used to advertise the maximum
+ * supported number of csa counters.
*
* @NL80211_ATTR_TDLS_PEER_CAPABILITY: flags for TDLS peer capabilities, u32.
* As specified in the &enum nl80211_tdls_peer_capability.
@@ -1927,6 +1929,7 @@ enum nl80211_attrs {
NL80211_ATTR_IFACE_SOCKET_OWNER,
NL80211_ATTR_CSA_C_OFFSETS_TX,
+ NL80211_ATTR_MAX_CSA_COUNTERS,
/* add attributes here, update the policy in nl80211.c */