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staging: vt6655: vnt_rx_data add track rsr and new_rsr errors

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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@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Malcolm Priestley 2015-02-01 11:59:41 +00:00 committed by Greg Kroah-Hartman
parent d17f4c8a42
commit 6d85412726
1 changed files with 10 additions and 1 deletions
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11
drivers/staging/vt6655/dpc.c
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@ -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));