NFC: nci: add nci_get_conn_info_by_id function

This functin takes as a parameter a pointer to the nci_dev
struct and the first byte from the values of the first domain
specific parameter that was used for the connection creation.

Signed-off-by: Robert Dolca <robert.dolca@intel.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>

diff --git a/include/net/nfc/nci_core.h b/include/net/nfc/nci_core.h
index 5daf004..0569cb2 100644 (file)
--- a/include/net/nfc/nci_core.h
+++ b/include/net/nfc/nci_core.h
@@ -374,6 +374,7 @@ void nci_clear_target_list(struct nci_dev *ndev);
 void nci_req_complete(struct nci_dev *ndev, int result);
 struct nci_conn_info *nci_get_conn_info_by_conn_id(struct nci_dev *ndev,
                                                   int conn_id);
+int nci_get_conn_info_by_id(struct nci_dev *ndev, u8 id);
 
 /* ----- NCI status code ----- */
 int nci_to_errno(__u8 code);

diff --git a/net/nfc/nci/core.c b/net/nfc/nci/core.c
index 9d5f7a2..75bda34 100644 (file)
--- a/net/nfc/nci/core.c
+++ b/net/nfc/nci/core.c
@@ -64,6 +64,19 @@ struct nci_conn_info *nci_get_conn_info_by_conn_id(struct nci_dev *ndev,
        return NULL;
 }
 
+int nci_get_conn_info_by_id(struct nci_dev *ndev, u8 id)
+{
+       struct nci_conn_info *conn_info;
+
+       list_for_each_entry(conn_info, &ndev->conn_info_list, list) {
+               if (conn_info->id == id)
+                       return conn_info->conn_id;
+       }
+
+       return -EINVAL;
+}
+EXPORT_SYMBOL(nci_get_conn_info_by_id);
+
 /* ---- NCI requests ---- */
 
 void nci_req_complete(struct nci_dev *ndev, int result)