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-rw-r--r--include/net/mac80211.h5
-rw-r--r--net/mac80211/agg-tx.c3
-rw-r--r--net/mac80211/debugfs.c2
-rw-r--r--net/mac80211/tx.c3
4 files changed, 11 insertions, 2 deletions
diff --git a/include/net/mac80211.h b/include/net/mac80211.h
index 2e752df57510..5e5029b22ac7 100644
--- a/include/net/mac80211.h
+++ b/include/net/mac80211.h
@@ -1096,6 +1096,10 @@ enum sta_notify_cmd {
* stations based on the PM bit of incoming frames.
* Use ieee80211_start_ps()/ieee8021_end_ps() to manually configure
* the PS mode of connected stations.
+ *
+ * @IEEE80211_HW_TX_AMPDU_SETUP_IN_HW: The device handles TX A-MPDU session
+ * setup strictly in HW. mac80211 should not attempt to do this in
+ * software.
*/
enum ieee80211_hw_flags {
IEEE80211_HW_HAS_RATE_CONTROL = 1<<0,
@@ -1121,6 +1125,7 @@ enum ieee80211_hw_flags {
IEEE80211_HW_SUPPORTS_CQM_RSSI = 1<<20,
IEEE80211_HW_SUPPORTS_PER_STA_GTK = 1<<21,
IEEE80211_HW_AP_LINK_PS = 1<<22,
+ IEEE80211_HW_TX_AMPDU_SETUP_IN_HW = 1<<23,
};
/**
diff --git a/net/mac80211/agg-tx.c b/net/mac80211/agg-tx.c
index f10e1096c332..250b9a53f6d9 100644
--- a/net/mac80211/agg-tx.c
+++ b/net/mac80211/agg-tx.c
@@ -360,7 +360,8 @@ int ieee80211_start_tx_ba_session(struct ieee80211_sta *pubsta, u16 tid,
return -EINVAL;
if ((tid >= STA_TID_NUM) ||
- !(local->hw.flags & IEEE80211_HW_AMPDU_AGGREGATION))
+ !(local->hw.flags & IEEE80211_HW_AMPDU_AGGREGATION) ||
+ (local->hw.flags & IEEE80211_HW_TX_AMPDU_SETUP_IN_HW))
return -EINVAL;
#ifdef CONFIG_MAC80211_HT_DEBUG
diff --git a/net/mac80211/debugfs.c b/net/mac80211/debugfs.c
index 569609b94c8c..c9141168fd43 100644
--- a/net/mac80211/debugfs.c
+++ b/net/mac80211/debugfs.c
@@ -350,6 +350,8 @@ static ssize_t hwflags_read(struct file *file, char __user *user_buf,
sf += snprintf(buf + sf, mxln - sf, "SUPPORTS_PER_STA_GTK\n");
if (local->hw.flags & IEEE80211_HW_AP_LINK_PS)
sf += snprintf(buf + sf, mxln - sf, "AP_LINK_PS\n");
+ if (local->hw.flags & IEEE80211_HW_TX_AMPDU_SETUP_IN_HW)
+ sf += snprintf(buf + sf, mxln - sf, "TX_AMPDU_SETUP_IN_HW\n");
rv = simple_read_from_buffer(user_buf, count, ppos, buf, strlen(buf));
kfree(buf);
diff --git a/net/mac80211/tx.c b/net/mac80211/tx.c
index c9766ccb51a4..2521716aa97b 100644
--- a/net/mac80211/tx.c
+++ b/net/mac80211/tx.c
@@ -1232,7 +1232,8 @@ ieee80211_tx_prepare(struct ieee80211_sub_if_data *sdata,
tx->sta = sta_info_get(sdata, hdr->addr1);
if (tx->sta && ieee80211_is_data_qos(hdr->frame_control) &&
- (local->hw.flags & IEEE80211_HW_AMPDU_AGGREGATION)) {
+ (local->hw.flags & IEEE80211_HW_AMPDU_AGGREGATION) &&
+ !(local->hw.flags & IEEE80211_HW_TX_AMPDU_SETUP_IN_HW)) {
struct tid_ampdu_tx *tid_tx;
qc = ieee80211_get_qos_ctl(hdr);