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NFC: Add RAW socket type support for SOCKPROTO_RAW

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This allows for a more generic NFC sniffing by using SOCKPROTO_RAW
SOCK_RAW to read RAW NFC frames. This is for sniffing anything but LLCP
(HCI, NCI, etc...).

Signed-off-by: Hiren Tandel <hirent@marvell.com>
Signed-off-by: Rahul Tank <rahult@marvell.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
This commit is contained in:
Hiren Tandel
2014-05-05 19:43:31 +09:00
committed by Samuel Ortiz
parent c79d9f9ef8
commit 57be1f3f3e
6 changed files with 117 additions and 15 deletions
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16
include/uapi/linux/nfc.h
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@@ -273,11 +273,19 @@ struct sockaddr_nfc_llcp {
* First byte is the adapter index
* Second byte contains flags
* - 0x01 - Direction (0=RX, 1=TX)
* - 0x02-0x80 - Reserved
* - 0x02-0x04 - Payload type (000=LLCP, 001=NCI, 010=HCI, 011=Digital,
* 100=Proprietary)
* - 0x05-0x80 - Reserved
**/
#define NFC_LLCP_RAW_HEADER_SIZE 2
#define NFC_LLCP_DIRECTION_RX 0x00
#define NFC_LLCP_DIRECTION_TX 0x01
#define NFC_RAW_HEADER_SIZE 2
#define NFC_DIRECTION_RX 0x00
#define NFC_DIRECTION_TX 0x01
#define RAW_PAYLOAD_LLCP 0
#define RAW_PAYLOAD_NCI 1
#define RAW_PAYLOAD_HCI 2
#define RAW_PAYLOAD_DIGITAL 3
#define RAW_PAYLOAD_PROPRIETARY 4
/* socket option names */
#define NFC_LLCP_RW 0