From: Yingying Tang <yint...@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 <yint...@qti.qualcomm.com>
---
include/net/mac80211.h | 4 ++++
net/mac80211/debugfs.c | 1 +
net/mac80211/tdls.c | 5 ++++-
3 files changed, 9 insertions(+), 1 deletion(-)
diff --git a/include/net/mac80211.h b/include/net/mac80211.h
index f8149ca..5928123 100644
--- a/include/net/mac80211.h
+++ b/include/net/mac80211.h
@@ -2067,6 +2067,9 @@ struct ieee80211_txq {
* The stack will not do fragmentation.
* The callback for @set_frag_threshold should be set as well.
*
+ * @IEEE80211_HW_SUPPORTS_TDLS_BUFFER_STA: Hardware support buffer STA when
+ * TDLS is established.
+ *
* @NUM_IEEE80211_HW_FLAGS: number of hardware flags, used for sizing arrays
*/
enum ieee80211_hw_flags {
@@ -2109,6 +2112,7 @@ enum ieee80211_hw_flags {
IEEE80211_HW_TX_FRAG_LIST,
IEEE80211_HW_REPORTS_LOW_ACK,
IEEE80211_HW_SUPPORTS_TX_FRAG,
+ IEEE80211_HW_SUPPORTS_TDLS_BUFFER_STA,
/* keep last, obviously */
NUM_IEEE80211_HW_FLAGS
diff --git a/net/mac80211/debugfs.c b/net/mac80211/debugfs.c
index 5fae001..1f466d1 100644
--- a/net/mac80211/debugfs.c
+++ b/net/mac80211/debugfs.c
@@ -211,6 +211,7 @@ static ssize_t reset_write(struct file *file, const char
__user *user_buf,
FLAG(TX_FRAG_LIST),
FLAG(REPORTS_LOW_ACK),
FLAG(SUPPORTS_TX_FRAG),
+ FLAG(SUPPORTS_TDLS_BUFFER_STA),
#undef FLAG
};
diff --git a/net/mac80211/tdls.c b/net/mac80211/tdls.c
index 91093d4..8231466 100644
--- a/net/mac80211/tdls.c
+++ b/net/mac80211/tdls.c
@@ -47,6 +47,8 @@ static void ieee80211_tdls_add_ext_capab(struct
ieee80211_sub_if_data *sdata,
NL80211_FEATURE_TDLS_CHANNEL_SWITCH;
bool wider_band = ieee80211_hw_check(&local->hw, TDLS_WIDER_BW) &&
!ifmgd->tdls_wider_bw_prohibited;
+ bool buffer_sta = ieee80211_hw_check(&local->hw,
+ SUPPORTS_TDLS_BUFFER_STA);
struct ieee80211_supported_band *sband = ieee80211_get_sband(sdata);
bool vht = sband && sband->vht_cap.vht_supported;
u8 *pos = skb_put(skb, 10);
@@ -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;
--
1.7.9.5
