diff options
Diffstat (limited to 'net/mac80211/rx.c')
| -rw-r--r-- | net/mac80211/rx.c | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/net/mac80211/rx.c b/net/mac80211/rx.c index 708c3b1e49a1..6a265aa73a46 100644 --- a/net/mac80211/rx.c +++ b/net/mac80211/rx.c @@ -485,6 +485,9 @@ 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; @@ -585,6 +588,23 @@ 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); |