diff options
| author | Hiren Tandel <hirent@marvell.com> | 2014-05-05 19:52:27 +0900 |
|---|---|---|
| committer | Samuel Ortiz <sameo@linux.intel.com> | 2014-05-20 00:23:59 +0200 |
| commit | 0515829642c65a4e3c6f44a2209bb426828d26d9 (patch) | |
| tree | 7b313e253aa910401221e1bdb6859df074955d97 | |
| parent | 57be1f3f3ec1ccab6432615ca161c4c9ece2a2aa (diff) | |
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: Hiren Tandel <hirent@marvell.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
| -rw-r--r-- | net/nfc/nci/core.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/net/nfc/nci/core.c b/net/nfc/nci/core.c index 6c34ac97850..2b400e1a869 100644 --- a/net/nfc/nci/core.c +++ b/net/nfc/nci/core.c @@ -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: |