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 X-Spam-Level: X-Spam-Status: No, score=-6.6 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 505BFC2BB1D for ; Tue, 17 Mar 2020 09:52:04 +0000 (UTC) Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 1E33A20663 for ; Tue, 17 Mar 2020 09:52:04 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="BilLykQ6" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 1E33A20663 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=redhat.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Received: from localhost ([::1]:55242 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1jE8tH-0007Rd-7X for qemu-devel@archiver.kernel.org; Tue, 17 Mar 2020 05:52:03 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:56909) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1jE8sI-0005oA-C4 for qemu-devel@nongnu.org; Tue, 17 Mar 2020 05:51:03 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1jE8sD-0004k0-KR for qemu-devel@nongnu.org; Tue, 17 Mar 2020 05:51:02 -0400 Received: from us-smtp-delivery-74.mimecast.com ([63.128.21.74]:32755) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1jE8sD-0004iy-GT for qemu-devel@nongnu.org; Tue, 17 Mar 2020 05:50:57 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1584438657; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=Ps2X/VA5xqFwtlTlvRKCA4P0jgcwtIx4fu8RvAmrg3w=; b=BilLykQ6c8QrS2t1Mh343Nny6WHr10uLiR8ZjFA3+/Z3UZ/yUOaPJHgSDFmupZBoDUv0f/ cE+INfzUv9SImlEBXIaR+KOvEjJEVOvnGBylnoZfAaI4W/Uiz4U7hQZzb+4XFMBL3/NTqo g7ZiospQWhH0m89grh85rL+QQ1q0EVk= Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-364-AiylvWGePB6b6gnxXAo0Ow-1; Tue, 17 Mar 2020 05:50:54 -0400 X-MC-Unique: AiylvWGePB6b6gnxXAo0Ow-1 Received: from smtp.corp.redhat.com (int-mx02.intmail.prod.int.phx2.redhat.com [10.5.11.12]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id CCF20800D5A; Tue, 17 Mar 2020 09:50:53 +0000 (UTC) Received: from sirius.home.kraxel.org (ovpn-112-49.ams2.redhat.com [10.36.112.49]) by smtp.corp.redhat.com (Postfix) with ESMTP id 0D35160BE0; Tue, 17 Mar 2020 09:50:50 +0000 (UTC) Received: by sirius.home.kraxel.org (Postfix, from userid 1000) id 123A72049D; Tue, 17 Mar 2020 10:50:50 +0100 (CET) From: Gerd Hoffmann To: qemu-devel@nongnu.org Subject: [PULL 3/4] usb-serial: Increase receive buffer to 496 Date: Tue, 17 Mar 2020 10:50:48 +0100 Message-Id: <20200317095049.28486-4-kraxel@redhat.com> In-Reply-To: <20200317095049.28486-1-kraxel@redhat.com> References: <20200317095049.28486-1-kraxel@redhat.com> X-Scanned-By: MIMEDefang 2.79 on 10.5.11.12 X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: quoted-printable X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 63.128.21.74 X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Samuel Thibault , Gerd Hoffmann , Jason Andryuk Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" From: Jason Andryuk A FTDI USB adapter on an xHCI controller can send 512 byte USB packets. These are 8 * ( 2 bytes header + 62 bytes data). A 384 byte receive buffer is insufficient to fill a 512 byte packet, so bump the receive size to 496 ( 512 - 2 * 8 ). Signed-off-by: Jason Andryuk Reviewed-by: Samuel Thibault Message-id: 20200316174610.115820-4-jandryuk@gmail.com Signed-off-by: Gerd Hoffmann --- hw/usb/dev-serial.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/hw/usb/dev-serial.c b/hw/usb/dev-serial.c index ec091b6a366c..77b964588b5f 100644 --- a/hw/usb/dev-serial.c +++ b/hw/usb/dev-serial.c @@ -29,7 +29,7 @@ do { printf("usb-serial: " fmt , ## __VA_ARGS__); } while= (0) #define DPRINTF(fmt, ...) do {} while(0) #endif =20 -#define RECV_BUF 384 +#define RECV_BUF (512 - (2 * 8)) =20 /* Commands */ #define FTDI_RESET=09=090 --=20 2.18.2