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=-6.8 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH, MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED 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 B86DFC433E0 for ; Thu, 18 Jun 2020 13:31:53 +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 852BC2083B for ; Thu, 18 Jun 2020 13:31:53 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="Axgg8SVX" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 852BC2083B 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]:43366 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1jlue0-0006Iw-M7 for qemu-devel@archiver.kernel.org; Thu, 18 Jun 2020 09:31:52 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:40700) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1jluVZ-00078l-PK for qemu-devel@nongnu.org; Thu, 18 Jun 2020 09:23:09 -0400 Received: from us-smtp-delivery-1.mimecast.com ([205.139.110.120]:31145 helo=us-smtp-1.mimecast.com) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_CBC_SHA1:256) (Exim 4.90_1) (envelope-from ) id 1jluVY-0005pl-4F for qemu-devel@nongnu.org; Thu, 18 Jun 2020 09:23:09 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1592486587; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:content-type:content-type:in-reply-to:in-reply-to: references:references; bh=knZNVpLUEPruNNfU/OWb2xi+QKiEKywtJZm5h2oG0KI=; b=Axgg8SVXDxO2vADor26lHXv5RJRwGruq0eJgevEJgnm6+HwnXlyxH4FwJTVF0A1uM2FKAx blPqQSbMZUql8dauoK069n5p+LqEao9v+oPBu70N4Op+mN+6+/NEGg7IsXFLoXsna8jofP B9WWCfAdaGRqOz0g2slXYycGMSE+KjU= 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-156-HhJx17O6MFS3RfEkPi58kg-1; Thu, 18 Jun 2020 09:23:03 -0400 X-MC-Unique: HhJx17O6MFS3RfEkPi58kg-1 Received: from smtp.corp.redhat.com (int-mx05.intmail.prod.int.phx2.redhat.com [10.5.11.15]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 289EA8BBCC7; Thu, 18 Jun 2020 13:23:01 +0000 (UTC) Received: from jason-ThinkPad-T430s.redhat.com (ovpn-12-109.pek2.redhat.com [10.72.12.109]) by smtp.corp.redhat.com (Postfix) with ESMTP id 07F6E5BAC1; Thu, 18 Jun 2020 13:22:58 +0000 (UTC) From: Jason Wang To: peter.maydell@linaro.org, qemu-devel@nongnu.org Subject: [PULL V2 21/33] net: cadence_gem: TX_LAST bit should be set by guest Date: Thu, 18 Jun 2020 21:21:36 +0800 Message-Id: <1592486508-6135-22-git-send-email-jasowang@redhat.com> In-Reply-To: <1592486508-6135-1-git-send-email-jasowang@redhat.com> References: <1592486508-6135-1-git-send-email-jasowang@redhat.com> X-Scanned-By: MIMEDefang 2.79 on 10.5.11.15 X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Type: text/plain; charset=US-ASCII Received-SPF: pass client-ip=205.139.110.120; envelope-from=jasowang@redhat.com; helo=us-smtp-1.mimecast.com X-detected-operating-system: by eggs.gnu.org: First seen = 2020/06/18 01:21:16 X-ACL-Warn: Detected OS = Linux 2.2.x-3.x [generic] [fuzzy] X-Spam_score_int: -30 X-Spam_score: -3.1 X-Spam_bar: --- X-Spam_report: (-3.1 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-1, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H4=-0.01, RCVD_IN_MSPIKE_WL=-0.01, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=_AUTOLEARN X-Spam_action: no action 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: Sai Pavan Boddu , "Edgar E. Iglesias" , Jason Wang Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" From: Sai Pavan Boddu TX_LAST bit should not be set by hardware, its set by guest to inform the last bd of the frame. Signed-off-by: Sai Pavan Boddu Signed-off-by: Edgar E. Iglesias Reviewed-by: Edgar E. Iglesias Signed-off-by: Jason Wang --- hw/net/cadence_gem.c | 6 ------ 1 file changed, 6 deletions(-) diff --git a/hw/net/cadence_gem.c b/hw/net/cadence_gem.c index df6d818..78fb9ac 100644 --- a/hw/net/cadence_gem.c +++ b/hw/net/cadence_gem.c @@ -350,11 +350,6 @@ static inline unsigned tx_desc_get_last(uint32_t *desc) return (desc[1] & DESC_1_TX_LAST) ? 1 : 0; } -static inline void tx_desc_set_last(uint32_t *desc) -{ - desc[1] |= DESC_1_TX_LAST; -} - static inline unsigned tx_desc_get_length(uint32_t *desc) { return desc[1] & DESC_1_LENGTH; @@ -1298,7 +1293,6 @@ static void gem_transmit(CadenceGEMState *s) /* read next descriptor */ if (tx_desc_get_wrap(desc)) { - tx_desc_set_last(desc); if (s->regs[GEM_DMACFG] & GEM_DMACFG_ADDR_64B) { packet_desc_addr = s->regs[GEM_TBQPH]; -- 2.5.0