From patchwork Wed Sep 9 09:42:02 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Joseph Hwang X-Patchwork-Id: 11765177 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id A79E3746 for ; Wed, 9 Sep 2020 09:43:15 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 82A6521D7B for ; Wed, 9 Sep 2020 09:43:15 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=chromium.org header.i=@chromium.org header.b="lRr0iV7j" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730174AbgIIJnC (ORCPT ); Wed, 9 Sep 2020 05:43:02 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:50020 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1730022AbgIIJml (ORCPT ); Wed, 9 Sep 2020 05:42:41 -0400 Received: from mail-pf1-x444.google.com (mail-pf1-x444.google.com [IPv6:2607:f8b0:4864:20::444]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 322CDC061795 for ; Wed, 9 Sep 2020 02:42:40 -0700 (PDT) Received: by mail-pf1-x444.google.com with SMTP id l126so1676804pfd.5 for ; Wed, 09 Sep 2020 02:42:40 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=chromium.org; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=cJ2b5yC6U6sZBSPpf2NMndA3c8MuYwyg/EbWONDGDEQ=; b=lRr0iV7jW0zq00Y+PI9+C7cOPYDyM1oIQtYgXGw2Jok5nCprEdhOZiwh5Vp+h7I5bK sDVm/tVXX/1Feq/Yn7thUALZCMh8wcsS13njzNpVOyy+NKgPOQxkgpwOHjheAOj5H8PN jPS12IkBQ5rM8aOk+DU5/JDyzG2RLZTleokG0= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=cJ2b5yC6U6sZBSPpf2NMndA3c8MuYwyg/EbWONDGDEQ=; b=O8W/dnhycoOGBFZx3n/a7insUjUPIGTPapkacNEvuX3tQtAkkZ/npa6hh1s1rC1uyC yfpWpm+lsdere/S4fcweb5y8zi0qt5TdpO5kIOXCqM10fFeI9swvSc59W/8UPSdAAJbk xqDMtmf76nxb53Tk3SmoeHYJdPlLK3sY7XfK/uFom6oT5KSvzV1nhXnYrwCpgXQboeyX 86wLKk2/Icisf5SozlWwTjxjfDNOBEXStSkbjoRWOgRmO6yyIThNV5CZJVRtvzcWxouv yapMKdkPsQkdFkdmCzaudE6qh6paf0Y8Yqv5LX6B721HBKqzoZG9lJ/jc/WSqN6Rtdcg mm3w== X-Gm-Message-State: AOAM530RzVmDg2kXZ5/1sOOr0bdDxrbd/wzkvUfblojU4JA4umEm3QBj 5btwsNv7Fiks6TsT/Ec5YgH3lgZ781mgh2bN X-Google-Smtp-Source: ABdhPJy0kQhiImzPyvMTXIoe3S5XBcVzI1ubsHTbbUHt8tNPKWinvH0asFzNdG96HgDS858kUtEN9w== X-Received: by 2002:a17:902:9349:b029:d0:cb2d:f26c with SMTP id g9-20020a1709029349b02900d0cb2df26cmr156960plp.5.1599644559530; Wed, 09 Sep 2020 02:42:39 -0700 (PDT) Received: from josephsih-z840.tpe.corp.google.com ([2401:fa00:1:10:de4a:3eff:fe7d:ff5f]) by smtp.gmail.com with ESMTPSA id a23sm1692275pgv.86.2020.09.09.02.42.37 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 09 Sep 2020 02:42:39 -0700 (PDT) From: Joseph Hwang To: linux-bluetooth@vger.kernel.org, marcel@holtmann.org, luiz.dentz@gmail.com Cc: chromeos-bluetooth-upstreaming@chromium.org, josephsih@google.com, Joseph Hwang , Alain Michaud , Abhishek Pandit-Subedi , "David S. Miller" , Jakub Kicinski , Johan Hedberg , linux-kernel@vger.kernel.org, netdev@vger.kernel.org Subject: [PATCH v2 2/2] Bluetooth: sco: expose WBS packet length in socket option Date: Wed, 9 Sep 2020 17:42:02 +0800 Message-Id: <20200909174129.v2.2.I03247d3813c6dcbcdbeab26d068f9fd765edb1f5@changeid> X-Mailer: git-send-email 2.28.0.526.ge36021eeef-goog In-Reply-To: <20200909094202.3863687-1-josephsih@chromium.org> References: <20200909094202.3863687-1-josephsih@chromium.org> MIME-Version: 1.0 Sender: linux-bluetooth-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-bluetooth@vger.kernel.org It is desirable to expose the wideband speech packet length via a socket option to the user space so that the user space can set the value correctly in configuring the sco connection. Reviewed-by: Alain Michaud Reviewed-by: Abhishek Pandit-Subedi Signed-off-by: Joseph Hwang --- (no changes since v1) net/bluetooth/sco.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/net/bluetooth/sco.c b/net/bluetooth/sco.c index dcf7f96ff417e6..79ffcdef0b7ad5 100644 --- a/net/bluetooth/sco.c +++ b/net/bluetooth/sco.c @@ -1001,6 +1001,12 @@ static int sco_sock_getsockopt(struct socket *sock, int level, int optname, err = -EFAULT; break; + case BT_SNDMTU: + case BT_RCVMTU: + if (put_user(sco_pi(sk)->conn->mtu, (u32 __user *)optval)) + err = -EFAULT; + break; + default: err = -ENOPROTOOPT; break;