cfg80211: Add API to update CSA counters in mgmt frames

Add NL80211_ATTR_CSA_C_OFFSETS_TX which holds an array
of offsets to the CSA counters which should be updated
when sending a management frames with NL80211_CMD_FRAME.

This API should be used by the drivers that wish to keep the
CSA counter updated in probe responses, but do not implement
probe response offloading and so, do not use
ieee80211_proberesp_get function.

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>

1 files changed, 8 insertions, 0 deletions

diff --git a/include/uapi/linux/nl80211.h b/include/uapi/linux/nl80211.h
index b65095a85dee..ec90fc9d2358 100644
--- a/include/uapi/linux/nl80211.h
+++ b/include/uapi/linux/nl80211.h
@@ -503,6 +503,9 @@
  *      TX status event pertaining to the TX request.
  *      %NL80211_ATTR_TX_NO_CCK_RATE is used to decide whether to send the
  *      management frames at CCK rate or not in 2GHz band.
+ *      %NL80211_ATTR_CSA_C_OFFSETS_TX is an array of offsets to CSA
+ *      counters which will be updated to the current value. This attribute
+ *      is used during CSA period.
  * @NL80211_CMD_FRAME_WAIT_CANCEL: When an off-channel TX was requested, this
  *      command may be used with the corresponding cookie to cancel the wait
  *      time if it is known that it is no longer necessary.
@@ -1576,6 +1579,9 @@ enum nl80211_commands {
  *      advertise values that cannot always be met. In such cases, an attempt
  *      to add a new station entry with @NL80211_CMD_NEW_STATION may fail.
  *
+ * @NL80211_ATTR_CSA_C_OFFSETS_TX: An array of csa counter offsets (u16) which
+ *      should be updated when the frame is transmitted.
+ *
  * @NL80211_ATTR_TDLS_PEER_CAPABILITY: flags for TDLS peer capabilities, u32.
  *      As specified in the &enum nl80211_tdls_peer_capability.
  *
@@ -1920,6 +1926,8 @@ enum nl80211_attrs {
 
         NL80211_ATTR_IFACE_SOCKET_OWNER,
 
+        NL80211_ATTR_CSA_C_OFFSETS_TX,
+
         /* add attributes here, update the policy in nl80211.c */
 
         __NL80211_ATTR_AFTER_LAST,