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staging: vt6656: vnt_rx_data add track rsr and new_rsr errors

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Add rsr and new_rsr error packet error drop.

if NEWRSR_DECRYPTOK fails drop packet altogether.

Signed-off-by: Malcolm Priestley <tvboxspy@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Malcolm Priestley
2014-07-05 19:24:24 +01:00
committed by Greg Kroah-Hartman
parent 5091d963b8
commit 47b41d9f44
1 changed files with 15 additions and 2 deletions
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17
drivers/staging/vt6656/dpc.c
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@@ -143,7 +143,10 @@ int vnt_rx_data(struct vnt_private *priv, struct vnt_rcb *ptr_rcb,
new_rsr = skb_data + 8 + pay_load_with_padding + 9;
rssi = skb_data + 8 + pay_load_with_padding + 10;
rsr = skb_data + 8 + pay_load_with_padding + 11;
if (*rsr & (RSR_IVLDTYP | RSR_IVLDLEN))
return false;
frame_size = *pay_load_len;
@@ -163,14 +166,24 @@ int vnt_rx_data(struct vnt_private *priv, struct vnt_rcb *ptr_rcb,
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;
rx_status.rate_idx = rate_idx;
if (ieee80211_has_protected(fc)) {
if (priv->byLocalID > REV_ID_VT3253_A1)
rx_status.flag = RX_FLAG_DECRYPTED;
if (priv->byLocalID > REV_ID_VT3253_A1) {
rx_status.flag |= RX_FLAG_DECRYPTED;
/* Drop packet */
if (!(*new_rsr & NEWRSR_DECRYPTOK)) {
dev_kfree_skb(skb);
return true;
}
}
}
memcpy(IEEE80211_SKB_RXCB(skb), &rx_status, sizeof(rx_status));