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Commit 05158296 authored by Hiren Tandel's avatar Hiren Tandel Committed by Samuel Ortiz
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NFC: NCI: Send all NCI frames to raw sockets 



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: default avatarHiren Tandel <hirent@marvell.com>
Signed-off-by: default avatarSamuel Ortiz <sameo@linux.intel.com>
parent 57be1f3f

net/nfc/nci/core.c

+9 −0
Original line number Diff line number Diff line
@@ -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: