NFC: NCI: Send all NCI frames to raw sockets (05158296) · Commits · 戴 / test

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>

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:

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