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authorHiren Tandel <hirent@marvell.com>2014-05-05 19:52:27 +0900
committerSamuel Ortiz <sameo@linux.intel.com>2014-05-20 00:23:59 +0200
commit0515829642c65a4e3c6f44a2209bb426828d26d9 (patch)
tree7b313e253aa910401221e1bdb6859df074955d97 /net/nfc
parent57be1f3f3ec1ccab6432615ca161c4c9ece2a2aa (diff)
downloadlinux-0515829642c65a4e3c6f44a2209bb426828d26d9.tar.bz2
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>
Diffstat (limited to 'net/nfc')
-rw-r--r--net/nfc/nci/core.c9
1 files changed, 9 insertions, 0 deletions
diff --git a/net/nfc/nci/core.c b/net/nfc/nci/core.c
index 6c34ac978501..2b400e1a8695 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: