Re: [PATCH 1/3] Bluetooth: Add bt_status

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Hi Marcel,

On Thu, May 19, 2022 at 11:07 AM Marcel Holtmann <marcel@xxxxxxxxxxxx> wrote:
>
> Hi Luiz,
>
> > 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@xxxxxxxxx>
> > ---
> > include/net/bluetooth/bluetooth.h |  1 +
> > net/bluetooth/lib.c               | 71 +++++++++++++++++++++++++++++++
> > 2 files changed, 72 insertions(+)
> >
> > diff --git a/include/net/bluetooth/bluetooth.h b/include/net/bluetooth/bluetooth.h
> > index 6b48d9e2aab9..cfe6159f26bc 100644
> > --- 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 5326f41a58b7..469a0c95b6e8 100644
> > --- 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);
> > +
>
> why are exporting this?

Isn't it supposed to be exported since it is part of lib.c? All
functions in this file use it.

> Regards
>
> Marcel
>


-- 
Luiz Augusto von Dentz



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