X-Git-Url: http://git.cascardo.eti.br/?a=blobdiff_plain;f=net%2Fmac80211%2Frx.c;h=ad636c930f8438e3763b81c025aba47f73548244;hb=bfe40fa395ddc41e45310a4426574703a05e1177;hp=9dce3b157908b3d229fb293a8f5acbce9057ea63;hpb=fd1ae514528bfa7136640301523f646f396134e2;p=cascardo%2Flinux.git

diff --git a/net/mac80211/rx.c b/net/mac80211/rx.c
index 9dce3b157908..ad636c930f84 100644
--- a/net/mac80211/rx.c
+++ b/net/mac80211/rx.c
@@ -180,6 +180,11 @@ ieee80211_rx_radiotap_hdrlen(struct ieee80211_local *local,
 		len += 12;
 	}
 
+	if (local->hw.radiotap_timestamp.units_pos >= 0) {
+		len = ALIGN(len, 8);
+		len += 12;
+	}
+
 	if (status->chains) {
 		/* antenna and antenna signal fields */
 		len += 2 * hweight8(status->chains);
@@ -447,6 +452,31 @@ ieee80211_add_rx_radiotap_header(struct ieee80211_local *local,
 		pos += 2;
 	}
 
+	if (local->hw.radiotap_timestamp.units_pos >= 0) {
+		u16 accuracy = 0;
+		u8 flags = IEEE80211_RADIOTAP_TIMESTAMP_FLAG_32BIT;
+
+		rthdr->it_present |=
+			cpu_to_le32(1 << IEEE80211_RADIOTAP_TIMESTAMP);
+
+		/* ensure 8 byte alignment */
+		while ((pos - (u8 *)rthdr) & 7)
+			pos++;
+
+		put_unaligned_le64(status->device_timestamp, pos);
+		pos += sizeof(u64);
+
+		if (local->hw.radiotap_timestamp.accuracy >= 0) {
+			accuracy = local->hw.radiotap_timestamp.accuracy;
+			flags |= IEEE80211_RADIOTAP_TIMESTAMP_FLAG_ACCURACY;
+		}
+		put_unaligned_le16(accuracy, pos);
+		pos += sizeof(u16);
+
+		*pos++ = local->hw.radiotap_timestamp.units_pos;
+		*pos++ = flags;
+	}
+
 	for_each_set_bit(chain, &chains, IEEE80211_MAX_CHAINS) {
 		*pos++ = status->chain_signal[chain];
 		*pos++ = chain;
@@ -485,6 +515,9 @@ ieee80211_rx_monitor(struct ieee80211_local *local, struct sk_buff *origskb,
 	struct net_device *prev_dev = NULL;
 	int present_fcs_len = 0;
 	unsigned int rtap_vendor_space = 0;
+	struct ieee80211_mgmt *mgmt;
+	struct ieee80211_sub_if_data *monitor_sdata =
+		rcu_dereference(local->monitor_sdata);
 
 	if (unlikely(status->flag & RX_FLAG_RADIOTAP_VENDOR_DATA)) {
 		struct ieee80211_vendor_radiotap *rtap = (void *)origskb->data;
@@ -567,7 +600,7 @@ ieee80211_rx_monitor(struct ieee80211_local *local, struct sk_buff *origskb,
 		if (sdata->vif.type != NL80211_IFTYPE_MONITOR)
 			continue;
 
-		if (sdata->u.mntr_flags & MONITOR_FLAG_COOK_FRAMES)
+		if (sdata->u.mntr.flags & MONITOR_FLAG_COOK_FRAMES)
 			continue;
 
 		if (!ieee80211_sdata_running(sdata))
@@ -585,6 +618,23 @@ ieee80211_rx_monitor(struct ieee80211_local *local, struct sk_buff *origskb,
 		ieee80211_rx_stats(sdata->dev, skb->len);
 	}
 
+	mgmt = (void *)skb->data;
+	if (monitor_sdata &&
+	    skb->len >= IEEE80211_MIN_ACTION_SIZE + 1 + VHT_MUMIMO_GROUPS_DATA_LEN &&
+	    ieee80211_is_action(mgmt->frame_control) &&
+	    mgmt->u.action.category == WLAN_CATEGORY_VHT &&
+	    mgmt->u.action.u.vht_group_notif.action_code == WLAN_VHT_ACTION_GROUPID_MGMT &&
+	    is_valid_ether_addr(monitor_sdata->u.mntr.mu_follow_addr) &&
+	    ether_addr_equal(mgmt->da, monitor_sdata->u.mntr.mu_follow_addr)) {
+		struct sk_buff *mu_skb = skb_copy(skb, GFP_ATOMIC);
+
+		if (mu_skb) {
+			mu_skb->pkt_type = IEEE80211_SDATA_QUEUE_TYPE_FRAME;
+			skb_queue_tail(&monitor_sdata->skb_queue, mu_skb);
+			ieee80211_queue_work(&local->hw, &monitor_sdata->work);
+		}
+	}
+
 	if (prev_dev) {
 		skb->dev = prev_dev;
 		netif_receive_skb(skb);
@@ -1072,8 +1122,15 @@ static void ieee80211_rx_reorder_ampdu(struct ieee80211_rx_data *rx,
 	tid = *ieee80211_get_qos_ctl(hdr) & IEEE80211_QOS_CTL_TID_MASK;
 
 	tid_agg_rx = rcu_dereference(sta->ampdu_mlme.tid_rx[tid]);
-	if (!tid_agg_rx)
+	if (!tid_agg_rx) {
+		if (ack_policy == IEEE80211_QOS_CTL_ACK_POLICY_BLOCKACK &&
+		    !test_bit(tid, rx->sta->ampdu_mlme.agg_session_valid) &&
+		    !test_and_set_bit(tid, rx->sta->ampdu_mlme.unexpected_agg))
+			ieee80211_send_delba(rx->sdata, rx->sta->sta.addr, tid,
+					     WLAN_BACK_RECIPIENT,
+					     WLAN_REASON_QSTA_REQUIRE_SETUP);
 		goto dont_reorder;
+	}
 
 	/* qos null data frames are excluded */
 	if (unlikely(hdr->frame_control & cpu_to_le16(IEEE80211_STYPE_NULLFUNC)))
@@ -3147,7 +3204,7 @@ static void ieee80211_rx_cooked_monitor(struct ieee80211_rx_data *rx,
 			continue;
 
 		if (sdata->vif.type != NL80211_IFTYPE_MONITOR ||
-		    !(sdata->u.mntr_flags & MONITOR_FLAG_COOK_FRAMES))
+		    !(sdata->u.mntr.flags & MONITOR_FLAG_COOK_FRAMES))
 			continue;
 
 		if (prev_dev) {