NFC: Set and get DEP general bytes

Without an API for setting and getting the local and remote general bytes,
drivers won't be able to properly establish a DEP link.
This API also allows them to propagate the remote general bytes they get
from the DEP link establishment up to the LLCP layer.

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

1 files changed, 18 insertions, 0 deletions

diff --git a/net/nfc/core.c b/net/nfc/core.c
index 785f1f20c7ba..3a45f21b3b97 100644
--- a/net/nfc/core.c
+++ b/net/nfc/core.c
@@ -352,6 +352,24 @@ error:
         return rc;
 }
 
+int nfc_set_remote_general_bytes(struct nfc_dev *dev, u8 *gb, u8 gb_len)
+{
+        pr_debug("dev_name=%s gb_len=%d\n",
+                        dev_name(&dev->dev), gb_len);
+
+        if (gb_len > NFC_MAX_GT_LEN)
+                return -EINVAL;
+
+        return 0;
+}
+EXPORT_SYMBOL(nfc_set_remote_general_bytes);
+
+u8 *nfc_get_local_general_bytes(struct nfc_dev *dev, u8 *gt_len)
+{
+        return NULL;
+}
+EXPORT_SYMBOL(nfc_get_local_general_bytes);
+
 /**
  * nfc_alloc_send_skb - allocate a skb for data exchange responses
  *