[TDLS,V2,1/5] mac80211: Enable TDLS peer buffer STA feature
diff mbox

Message ID 1505789468-25330-2-git-send-email-yintang@qti.qualcomm.com
State New
Headers show

Commit Message

yintang@qti.qualcomm.com Sept. 19, 2017, 2:51 a.m. UTC
From: Yingying Tang <yintang@qti.qualcomm.com>

Enable TDLS peer buffer STA feature.
Set extended capability bit to enable buffer STA when driver
support it.

Signed-off-by: Yingying Tang <yintang@qti.qualcomm.com>
---
 include/net/cfg80211.h |    3 +++
 net/mac80211/tdls.c    |    5 ++++-
 2 files changed, 7 insertions(+), 1 deletion(-)

Comments

James Cameron Sept. 19, 2017, 3:01 a.m. UTC | #1
On Tue, Sep 19, 2017 at 10:51:04AM +0800, yintang@qti.qualcomm.com wrote:
> From: Yingying Tang <yintang@qti.qualcomm.com>
> 
> Enable TDLS peer buffer STA feature.
> Set extended capability bit to enable buffer STA when driver
> support it.
> 
> Signed-off-by: Yingying Tang <yintang@qti.qualcomm.com>
> ---
>  include/net/cfg80211.h |    3 +++
>  net/mac80211/tdls.c    |    5 ++++-
>  2 files changed, 7 insertions(+), 1 deletion(-)
> 
> diff --git a/include/net/cfg80211.h b/include/net/cfg80211.h
> index f12fa52..edefc25 100644
> --- a/include/net/cfg80211.h
> +++ b/include/net/cfg80211.h
> @@ -3249,6 +3249,8 @@ struct cfg80211_ops {
>   *	beaconing mode (AP, IBSS, Mesh, ...).
>   * @WIPHY_FLAG_HAS_STATIC_WEP: The device supports static WEP key installation
>   *	before connection.
> + * @WIPHY_FLAG_SUPPORT_TDLS_BUFFER_ST: Device support buffer STA when TDLS is

"_ST:" should be "_STA:"

> + *	established.
>   */
>  enum wiphy_flags {
>  	/* use hole at 0 */
> @@ -3275,6 +3277,7 @@ enum wiphy_flags {
>  	WIPHY_FLAG_SUPPORTS_5_10_MHZ		= BIT(22),
>  	WIPHY_FLAG_HAS_CHANNEL_SWITCH		= BIT(23),
>  	WIPHY_FLAG_HAS_STATIC_WEP		= BIT(24),
> +	WIPHY_FLAG_SUPPORT_TDLS_BUFFER_STA      = BIT(25),
>  };
>  
>  /**
> [...]

Patch
diff mbox

diff --git a/include/net/cfg80211.h b/include/net/cfg80211.h
index f12fa52..edefc25 100644
--- a/include/net/cfg80211.h
+++ b/include/net/cfg80211.h
@@ -3249,6 +3249,8 @@  struct cfg80211_ops {
  *	beaconing mode (AP, IBSS, Mesh, ...).
  * @WIPHY_FLAG_HAS_STATIC_WEP: The device supports static WEP key installation
  *	before connection.
+ * @WIPHY_FLAG_SUPPORT_TDLS_BUFFER_ST: Device support buffer STA when TDLS is
+ *	established.
  */
 enum wiphy_flags {
 	/* use hole at 0 */
@@ -3275,6 +3277,7 @@  enum wiphy_flags {
 	WIPHY_FLAG_SUPPORTS_5_10_MHZ		= BIT(22),
 	WIPHY_FLAG_HAS_CHANNEL_SWITCH		= BIT(23),
 	WIPHY_FLAG_HAS_STATIC_WEP		= BIT(24),
+	WIPHY_FLAG_SUPPORT_TDLS_BUFFER_STA      = BIT(25),
 };
 
 /**
diff --git a/net/mac80211/tdls.c b/net/mac80211/tdls.c
index 91093d4..f99e379 100644
--- a/net/mac80211/tdls.c
+++ b/net/mac80211/tdls.c
@@ -49,6 +49,8 @@  static void ieee80211_tdls_add_ext_capab(struct ieee80211_sub_if_data *sdata,
 			  !ifmgd->tdls_wider_bw_prohibited;
 	struct ieee80211_supported_band *sband = ieee80211_get_sband(sdata);
 	bool vht = sband && sband->vht_cap.vht_supported;
+	bool buffer_sta =
+		local->hw.wiphy->flags & WIPHY_FLAG_SUPPORT_TDLS_BUFFER_STA;
 	u8 *pos = skb_put(skb, 10);
 
 	*pos++ = WLAN_EID_EXT_CAPABILITY;
@@ -56,7 +58,8 @@  static void ieee80211_tdls_add_ext_capab(struct ieee80211_sub_if_data *sdata,
 	*pos++ = 0x0;
 	*pos++ = 0x0;
 	*pos++ = 0x0;
-	*pos++ = chan_switch ? WLAN_EXT_CAPA4_TDLS_CHAN_SWITCH : 0;
+	*pos++ = (chan_switch ? WLAN_EXT_CAPA4_TDLS_CHAN_SWITCH : 0) |
+		 (buffer_sta ? WLAN_EXT_CAPA4_TDLS_BUFFER_STA : 0);
 	*pos++ = WLAN_EXT_CAPA5_TDLS_ENABLED;
 	*pos++ = 0;
 	*pos++ = 0;