NFC: Add a DEP link control netlink command

NFC-DEP (Data Exchange Protocol) is an NFC MAC layer.
This command allows to enable and disable the DEP link on to which e.g.
LLCP can run.

Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

1 files changed, 11 insertions, 0 deletions

diff --git a/include/net/nfc/nfc.h b/include/net/nfc/nfc.h
index 3a3304c094d7..bf82d292d68c 100644
--- a/include/net/nfc/nfc.h
+++ b/include/net/nfc/nfc.h
@@ -52,6 +52,9 @@ struct nfc_ops {
         int (*dev_down)(struct nfc_dev *dev);
         int (*start_poll)(struct nfc_dev *dev, u32 protocols);
         void (*stop_poll)(struct nfc_dev *dev);
+        int (*dep_link_up)(struct nfc_dev *dev, int target_idx,
+                                u8 comm_mode, u8 rf_mode);
+        int (*dep_link_down)(struct nfc_dev *dev);
         int (*activate_target)(struct nfc_dev *dev, u32 target_idx,
                                                         u32 protocol);
         void (*deactivate_target)(struct nfc_dev *dev, u32 target_idx);
@@ -60,6 +63,9 @@ struct nfc_ops {
                                                         void *cb_context);
 };
 
+#define NFC_TARGET_IDX_ANY -1
+#define NFC_MAX_GT_LEN 48
+
 struct nfc_target {
         u32 idx;
         u32 supported_protocols;
@@ -83,6 +89,8 @@ struct nfc_dev {
         bool dev_up;
         bool polling;
         bool remote_activated;
+        bool dep_link_up;
+        u32 dep_rf_mode;
         struct nfc_genl_data genl_data;
         u32 supported_protocols;
 
@@ -165,4 +173,7 @@ struct sk_buff *nfc_alloc_recv_skb(unsigned int size, gfp_t gfp);
 int nfc_targets_found(struct nfc_dev *dev, struct nfc_target *targets,
                                                         int ntargets);
 
+int nfc_dep_link_is_up(struct nfc_dev *dev, u32 target_idx,
+                       u8 comm_mode, u8 rf_mode);
+
 #endif /* __NET_NFC_H */