[PATCH 1/2] nl80211/cfg80211: Set VHT Operating mode

[Marek Kwaczynski <marek.kwaczynski@xxxxxxxxx>]

This attribuite is needed for setting VHT operating mode in AP mode
from User Space. This functionality is required when User Space
received Assoc Reqeust contains VHT Operation Mode Notification
element.

Signed-off-by: Marek Kwaczynski <marek.kwaczynski@xxxxxxxxx>
---
 include/net/cfg80211.h       |    4 ++++
 include/uapi/linux/nl80211.h |    5 +++++
 net/wireless/nl80211.c       |    6 ++++++
 3 files changed, 15 insertions(+)

diff --git a/include/net/cfg80211.h b/include/net/cfg80211.h
index 3eae46c..da6b869 100644
--- a/include/net/cfg80211.h
+++ b/include/net/cfg80211.h
@@ -748,6 +748,8 @@ enum station_parameters_apply_mask {
  * @supported_channels_len: number of supported channels
  * @supported_oper_classes: supported oper classes in IEEE 802.11 format
  * @supported_oper_classes_len: number of supported operating classes
+ * @vht_opmode: operating mode field
+ * @vht_opmode_used: information if operating mode is used
  */
 struct station_parameters {
 	const u8 *supported_rates;
@@ -771,6 +773,8 @@ struct station_parameters {
 	u8 supported_channels_len;
 	const u8 *supported_oper_classes;
 	u8 supported_oper_classes_len;
+	u8 vht_opmode;
+	bool vht_opmode_used;
 };
 
 /**
diff --git a/include/uapi/linux/nl80211.h b/include/uapi/linux/nl80211.h
index f752e98..60174a2 100644
--- a/include/uapi/linux/nl80211.h
+++ b/include/uapi/linux/nl80211.h
@@ -1508,6 +1508,9 @@ enum nl80211_commands {
  *	to react to radar events, e.g. initiate a channel switch or leave the
  *	IBSS network.
  *
+ * @NL80211_ATTR_VHT_OPMODE: VHT Operating mode information element (from
+ *	association request when used with NL80211_CMD_NEW_STATION)
+ *
  * @NL80211_ATTR_MAX: highest attribute number currently defined
  * @__NL80211_ATTR_AFTER_LAST: internal use
  */
@@ -1824,6 +1827,8 @@ enum nl80211_attrs {
 
 	NL80211_ATTR_HANDLE_DFS,
 
+	NL80211_ATTR_VHT_OPMODE,
+
 	/* add attributes here, update the policy in nl80211.c */
 
 	__NL80211_ATTR_AFTER_LAST,
diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c
index a7f4e79..ad0606c 100644
--- a/net/wireless/nl80211.c
+++ b/net/wireless/nl80211.c
@@ -4125,6 +4125,12 @@ static int nl80211_new_station(struct sk_buff *skb, struct genl_info *info)
 		params.vht_capa =
 			nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY]);
 
+	if (info->attrs[NL80211_ATTR_VHT_OPMODE]) {
+		params.vht_opmode_used = 1;
+		params.vht_opmode =
+			nla_get_u8(info->attrs[NL80211_ATTR_VHT_OPMODE]);
+	}
+
 	if (info->attrs[NL80211_ATTR_STA_PLINK_ACTION]) {
 		params.plink_action =
 			nla_get_u8(info->attrs[NL80211_ATTR_STA_PLINK_ACTION]);
-- 
1.7.9.5

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