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NFC: NCI: Send all NCI frames to raw sockets

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So that anyone listening on SOCKPROTO_RAW for raw frames will get all
NCI frames, in both directions. This actually implements userspace NFC
NCI sniffing.
It's now up to userspace to decode those frames.

Signed-off-by: Hiren Tandel <hirent@marvell.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
This commit is contained in:
Hiren Tandel 2014-05-05 19:52:27 +09:00 committed by Samuel Ortiz
parent 57be1f3f3e
commit 0515829642
1 changed files with 9 additions and 0 deletions
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9
net/nfc/nci/core.c
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@ -861,6 +861,10 @@ static int nci_send_frame(struct nci_dev *ndev, struct sk_buff *skb)
/* Get rid of skb owner, prior to sending to the driver. */
skb_orphan(skb);
/* Send copy to sniffer */
nfc_send_to_raw_sock(ndev->nfc_dev, skb,
RAW_PAYLOAD_NCI, NFC_DIRECTION_TX);
return ndev->ops->send(ndev, skb);
}
@ -935,6 +939,11 @@ static void nci_rx_work(struct work_struct *work)
struct sk_buff *skb;
while ((skb = skb_dequeue(&ndev->rx_q))) {
/* Send copy to sniffer */
nfc_send_to_raw_sock(ndev->nfc_dev, skb,
RAW_PAYLOAD_NCI, NFC_DIRECTION_RX);
/* Process frame */
switch (nci_mt(skb->data)) {
case NCI_MT_RSP_PKT: