Bluetooth: Add bt_status

This adds bt_status which can be used to convert Unix errno to
Bluetooth status.

Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>

diff --git a/include/net/bluetooth/bluetooth.h b/include/net/bluetooth/bluetooth.h
index a8b5217..686ce25 100644 (file)
--- a/include/net/bluetooth/bluetooth.h
+++ b/include/net/bluetooth/bluetooth.h
@@ -521,6 +521,7 @@ static inline struct sk_buff *bt_skb_sendmmsg(struct sock *sk,
 }
 
 int bt_to_errno(u16 code);
+__u8 bt_status(int err);
 
 void hci_sock_set_flag(struct sock *sk, int nr);
 void hci_sock_clear_flag(struct sock *sk, int nr);

diff --git a/net/bluetooth/lib.c b/net/bluetooth/lib.c
index 5326f41..469a0c9 100644 (file)
--- a/net/bluetooth/lib.c
+++ b/net/bluetooth/lib.c
@@ -135,6 +135,77 @@ int bt_to_errno(__u16 code)
 }
 EXPORT_SYMBOL(bt_to_errno);
 
+/* Unix errno to Bluetooth error codes mapping */
+__u8 bt_status(int err)
+{
+       /* Don't convert if already positive value */
+       if (err >= 0)
+               return err;
+
+       switch (err) {
+       case -EBADRQC:
+               return 0x01;
+
+       case -ENOTCONN:
+               return 0x02;
+
+       case -EIO:
+               return 0x03;
+
+       case -EHOSTDOWN:
+               return 0x04;
+
+       case -EACCES:
+               return 0x05;
+
+       case -EBADE:
+               return 0x06;
+
+       case -ENOMEM:
+               return 0x07;
+
+       case -ETIMEDOUT:
+               return 0x08;
+
+       case -EMLINK:
+               return 0x09;
+
+       case EALREADY:
+               return 0x0b;
+
+       case -EBUSY:
+               return 0x0c;
+
+       case -ECONNREFUSED:
+               return 0x0d;
+
+       case -EOPNOTSUPP:
+               return 0x11;
+
+       case -EINVAL:
+               return 0x12;
+
+       case -ECONNRESET:
+               return 0x13;
+
+       case -ECONNABORTED:
+               return 0x16;
+
+       case ELOOP:
+               return 0x17;
+
+       case -EPROTONOSUPPORT:
+               return 0x1a;
+
+       case -EPROTO:
+               return 0x19;
+
+       default:
+               return 0x1f;
+       }
+}
+EXPORT_SYMBOL(bt_status);
+
 void bt_info(const char *format, ...)
 {
        struct va_format vaf;