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, 14 insertions, 0 deletions

diff --git a/net/nfc/nfc.h b/net/nfc/nfc.h
index 8335f4de8f4..aaf9832298f 100644
--- a/net/nfc/nfc.h
+++ b/net/nfc/nfc.h
@@ -42,6 +42,20 @@ struct nfc_protocol {
                         const struct nfc_protocol *nfc_proto);
 };
 
+struct nfc_rawsock {
+        struct sock sk;
+        struct nfc_dev *dev;
+        u32 target_idx;
+        struct work_struct tx_work;
+        bool tx_work_scheduled;
+};
+#define nfc_rawsock(sk) ((struct nfc_rawsock *) sk)
+#define to_rawsock_sk(_tx_work) \
+        ((struct sock *) container_of(_tx_work, struct nfc_rawsock, tx_work))
+
+int __init rawsock_init(void);
+void rawsock_exit(void);
+
 int __init af_nfc_init(void);
 void af_nfc_exit(void);
 int nfc_proto_register(const struct nfc_protocol *nfc_proto);