NFC: add nfc generic netlink interface

The NFC generic netlink interface exports the NFC control operations
to the user space.

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>
Reviewed-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

1 files changed, 21 insertions, 0 deletions

diff --git a/include/net/nfc.h b/include/net/nfc.h
index c57b579c8301..cc0130312f70 100644
--- a/include/net/nfc.h
+++ b/include/net/nfc.h
@@ -58,10 +58,28 @@ struct nfc_ops {
                                                         void *cb_context);
 };
 
+struct nfc_target {
+        u32 idx;
+        u32 supported_protocols;
+        u16 sens_res;
+        u8 sel_res;
+};
+
+struct nfc_genl_data {
+        u32 poll_req_pid;
+        struct mutex genl_data_mutex;
+};
+
 struct nfc_dev {
         unsigned idx;
+        unsigned target_idx;
+        struct nfc_target *targets;
+        int n_targets;
+        int targets_generation;
+        spinlock_t targets_lock;
         struct device dev;
         bool polling;
+        struct nfc_genl_data genl_data;
         u32 supported_protocols;
 
         struct nfc_ops *ops;
@@ -132,4 +150,7 @@ static inline const char *nfc_device_name(struct nfc_dev *dev)
 
 struct sk_buff *nfc_alloc_skb(unsigned int size, gfp_t gfp);
 
+int nfc_targets_found(struct nfc_dev *dev, struct nfc_target *targets,
+                                                        int ntargets);
+
 #endif /* __NET_NFC_H */