NFC: add the NFC socket raw protocol

This socket protocol is used to perform data exchange with NFC
targets.

Signed-off-by: Lauro Ramos Venancio <lauro.venancio@openbossa.org>
Signed-off-by: Aloisio Almeida Jr <aloisio.almeida@openbossa.org>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

1 files changed, 12 insertions, 1 deletions

diff --git a/include/linux/nfc.h b/include/linux/nfc.h
index 15f8cb3edcc6..330a4c5db588 100644
--- a/include/linux/nfc.h
+++ b/include/linux/nfc.h
@@ -24,6 +24,9 @@
 #ifndef __LINUX_NFC_H
 #define __LINUX_NFC_H
 
+#include <linux/types.h>
+#include <linux/socket.h>
+
 #define NFC_GENL_NAME "nfc"
 #define NFC_GENL_VERSION 1
 
@@ -109,7 +112,15 @@ enum nfc_attrs {
 #define NFC_PROTO_ISO14443_MASK (1 << NFC_PROTO_ISO14443)
 #define NFC_PROTO_NFC_DEP_MASK  (1 << NFC_PROTO_NFC_DEP)
 
+struct sockaddr_nfc {
+        sa_family_t sa_family;
+        __u32 dev_idx;
+        __u32 target_idx;
+        __u32 nfc_protocol;
+};
+
 /* NFC socket protocols */
-#define NFC_SOCKPROTO_MAX       0
+#define NFC_SOCKPROTO_RAW       0
+#define NFC_SOCKPROTO_MAX       1
 
 #endif /*__LINUX_NFC_H */