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-rw-r--r--drivers/net/wireless/mac80211_hwsim.c47
1 files changed, 47 insertions, 0 deletions
diff --git a/drivers/net/wireless/mac80211_hwsim.c b/drivers/net/wireless/mac80211_hwsim.c
index 58c357eaf21..fc4ec48eda1 100644
--- a/drivers/net/wireless/mac80211_hwsim.c
+++ b/drivers/net/wireless/mac80211_hwsim.c
@@ -365,6 +365,49 @@ static void mac80211_hwsim_monitor_rx(struct ieee80211_hw *hw,
}
+static void mac80211_hwsim_monitor_ack(struct ieee80211_hw *hw, const u8 *addr)
+{
+ struct mac80211_hwsim_data *data = hw->priv;
+ struct sk_buff *skb;
+ struct hwsim_radiotap_hdr *hdr;
+ u16 flags;
+ struct ieee80211_hdr *hdr11;
+
+ if (!netif_running(hwsim_mon))
+ return;
+
+ skb = dev_alloc_skb(100);
+ if (skb == NULL)
+ return;
+
+ hdr = (struct hwsim_radiotap_hdr *) skb_put(skb, sizeof(*hdr));
+ hdr->hdr.it_version = PKTHDR_RADIOTAP_VERSION;
+ hdr->hdr.it_pad = 0;
+ hdr->hdr.it_len = cpu_to_le16(sizeof(*hdr));
+ hdr->hdr.it_present = cpu_to_le32((1 << IEEE80211_RADIOTAP_FLAGS) |
+ (1 << IEEE80211_RADIOTAP_CHANNEL));
+ hdr->rt_flags = 0;
+ hdr->rt_rate = 0;
+ hdr->rt_channel = cpu_to_le16(data->channel->center_freq);
+ flags = IEEE80211_CHAN_2GHZ;
+ hdr->rt_chbitmask = cpu_to_le16(flags);
+
+ hdr11 = (struct ieee80211_hdr *) skb_put(skb, 10);
+ hdr11->frame_control = cpu_to_le16(IEEE80211_FTYPE_CTL |
+ IEEE80211_STYPE_ACK);
+ hdr11->duration_id = cpu_to_le16(0);
+ memcpy(hdr11->addr1, addr, ETH_ALEN);
+
+ skb->dev = hwsim_mon;
+ skb_set_mac_header(skb, 0);
+ skb->ip_summed = CHECKSUM_UNNECESSARY;
+ skb->pkt_type = PACKET_OTHERHOST;
+ skb->protocol = htons(ETH_P_802_2);
+ memset(skb->cb, 0, sizeof(skb->cb));
+ netif_rx(skb);
+}
+
+
static bool hwsim_ps_rx_ok(struct mac80211_hwsim_data *data,
struct sk_buff *skb)
{
@@ -471,6 +514,10 @@ static int mac80211_hwsim_tx(struct ieee80211_hw *hw, struct sk_buff *skb)
}
ack = mac80211_hwsim_tx_frame(hw, skb);
+ if (ack && skb->len >= 16) {
+ struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data;
+ mac80211_hwsim_monitor_ack(hw, hdr->addr2);
+ }
txi = IEEE80211_SKB_CB(skb);