If not rsr & RSR_CRCOK report RX_FLAG_FAILED_FCS_CRC
If not rsr & (RSR_IVLDTYP | RSR_IVLDLEN) drop packet
If not NEWRSR_DECRYPTOK on new_rsr drop packet.
Signed-off-by: Malcolm Priestley <tvboxspy@xxxxxxxxx>
---
drivers/staging/vt6655/dpc.c | 11 ++++++++++-
1 file changed, 10 insertions(+), 1 deletion(-)
diff --git a/drivers/staging/vt6655/dpc.c b/drivers/staging/vt6655/dpc.c
index 11cc090..3c5b87f 100644
--- a/drivers/staging/vt6655/dpc.c
+++ b/drivers/staging/vt6655/dpc.c
@@ -91,6 +91,8 @@ static bool vnt_rx_data(struct vnt_private *priv, struct sk_buff *skb,
new_rsr = skb_data + bytes_received - 3;
rssi = skb_data + bytes_received - 2;
rsr = skb_data + bytes_received - 1;
+ if (*rsr & (RSR_IVLDTYP | RSR_IVLDLEN))
+ return false;
RFvRSSITodBm(priv, *rssi, &rx_dbm);
@@ -106,6 +108,9 @@ static bool vnt_rx_data(struct vnt_private *priv, struct sk_buff *skb,
rx_status.flag = 0;
rx_status.freq = hw->conf.chandef.chan->center_freq;
+ if (!(*rsr & RSR_CRCOK))
+ rx_status.flag |= RX_FLAG_FAILED_FCS_CRC;
+
hdr = (struct ieee80211_hdr *)(skb->data);
fc = hdr->frame_control;
@@ -113,7 +118,11 @@ static bool vnt_rx_data(struct vnt_private *priv, struct sk_buff *skb,
if (ieee80211_has_protected(fc)) {
if (priv->byLocalID > REV_ID_VT3253_A1)
- rx_status.flag = RX_FLAG_DECRYPTED;
+ rx_status.flag |= RX_FLAG_DECRYPTED;
+
+ /* Drop packet */
+ if (!(*new_rsr & NEWRSR_DECRYPTOK))
+ return false;
}
memcpy(IEEE80211_SKB_RXCB(skb), &rx_status, sizeof(rx_status));
--
2.1.0
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