From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 7863EC433F5 for ; Thu, 19 May 2022 18:08:03 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S243636AbiESSIC convert rfc822-to-8bit (ORCPT ); Thu, 19 May 2022 14:08:02 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:37856 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S243633AbiESSIA (ORCPT ); Thu, 19 May 2022 14:08:00 -0400 Received: from mail.holtmann.org (coyote.holtmann.net [212.227.132.17]) by lindbergh.monkeyblade.net (Postfix) with ESMTP id 94FF4B36D4 for ; Thu, 19 May 2022 11:07:53 -0700 (PDT) Received: from smtpclient.apple (p4ff9fb9d.dip0.t-ipconnect.de [79.249.251.157]) by mail.holtmann.org (Postfix) with ESMTPSA id 98B23CECFA; Thu, 19 May 2022 20:07:52 +0200 (CEST) Content-Type: text/plain; charset=us-ascii Mime-Version: 1.0 (Mac OS X Mail 16.0 \(3696.100.31\)) Subject: Re: [PATCH 1/3] Bluetooth: Add bt_status From: Marcel Holtmann In-Reply-To: <20220513234611.1360704-1-luiz.dentz@gmail.com> Date: Thu, 19 May 2022 20:07:52 +0200 Cc: linux-bluetooth@vger.kernel.org Content-Transfer-Encoding: 8BIT Message-Id: <83CE64EC-65DE-4DE9-994B-4729A35A6F64@holtmann.org> References: <20220513234611.1360704-1-luiz.dentz@gmail.com> To: Luiz Augusto von Dentz X-Mailer: Apple Mail (2.3696.100.31) Precedence: bulk List-ID: X-Mailing-List: linux-bluetooth@vger.kernel.org Hi Luiz, > This adds bt_status which can be used to convert Unix errno to > Bluetooth status. > > Signed-off-by: Luiz Augusto von Dentz > --- > 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? Regards Marcel