From patchwork Sun Feb 7 08:19:15 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Stefan Chulski X-Patchwork-Id: 378350 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=-18.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER, INCLUDES_PATCH, MAILING_LIST_MULTI, SPF_HELO_NONE, SPF_PASS, USER_AGENT_GIT autolearn=unavailable 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 3DB3AC433E0 for ; Sun, 7 Feb 2021 08:24:21 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id E8D3C64E8F for ; Sun, 7 Feb 2021 08:24:20 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229991AbhBGIXz (ORCPT ); Sun, 7 Feb 2021 03:23:55 -0500 Received: from mx0b-0016f401.pphosted.com ([67.231.156.173]:40614 "EHLO mx0b-0016f401.pphosted.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229756AbhBGIVm (ORCPT ); Sun, 7 Feb 2021 03:21:42 -0500 Received: from pps.filterd (m0045851.ppops.net [127.0.0.1]) by mx0b-0016f401.pphosted.com (8.16.0.43/8.16.0.43) with SMTP id 1178BHBR011723; Sun, 7 Feb 2021 00:20:52 -0800 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=marvell.com; h=from : to : cc : subject : date : message-id : in-reply-to : references : mime-version : content-type; s=pfpt0220; bh=89cYthI6p8YgZOgHST1mybkKYWQ6iaqPy4nSaOo2Y+Y=; b=Eudw+zc5KSC9BCSYn/c5CmFlCiGMusIUVfMmdWxPAZ+D7/IafiqYZH/k8usMpddQHd4w 2+HHEZCNXeLgoR1aMH4xUVSm2YGA7o1vBeD4sSwNWY/ZTzcG9gQm/4VU6aOCCDeG4qP3 KV1okEsWm7NlOdz5mGEMhy+uFSP4xSYhfFmq0fX0CPn5xqKdAF/CDCMQ80+MEFCKJCkk 9QJm5vcQy/QwOE/8Fp6/EPghg+5+/Vl9MPwi0N/PjY1z3KXau+f4bfaNnefAYEiRuA7w btFLBfRjK0EPwfft0SCjcexqBcFASRI7N0ZZ11TITy4mJ08lO7a6TrQTQ7PyGWzEWmSl Dw== Received: from dc5-exch01.marvell.com ([199.233.59.181]) by mx0b-0016f401.pphosted.com with ESMTP id 36hugq1m0y-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-SHA384 bits=256 verify=NOT); Sun, 07 Feb 2021 00:20:52 -0800 Received: from SC-EXCH04.marvell.com (10.93.176.84) by DC5-EXCH01.marvell.com (10.69.176.38) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Sun, 7 Feb 2021 00:20:50 -0800 Received: from DC5-EXCH01.marvell.com (10.69.176.38) by SC-EXCH04.marvell.com (10.93.176.84) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Sun, 7 Feb 2021 00:20:49 -0800 Received: from maili.marvell.com (10.69.176.80) by DC5-EXCH01.marvell.com (10.69.176.38) with Microsoft SMTP Server id 15.0.1497.2 via Frontend Transport; Sun, 7 Feb 2021 00:20:49 -0800 Received: from stefan-pc.marvell.com (stefan-pc.marvell.com [10.5.25.21]) by maili.marvell.com (Postfix) with ESMTP id CCD1C3F7045; Sun, 7 Feb 2021 00:20:45 -0800 (PST) From: To: CC: , , , , , , , , , , , , , , , , Subject: [RESEND PATCH v8 net-next 06/15] net: mvpp2: increase BM pool and RXQ size Date: Sun, 7 Feb 2021 10:19:15 +0200 Message-ID: <1612685964-21890-7-git-send-email-stefanc@marvell.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1612685964-21890-1-git-send-email-stefanc@marvell.com> References: <1612685964-21890-1-git-send-email-stefanc@marvell.com> MIME-Version: 1.0 X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.369, 18.0.737 definitions=2021-02-07_03:2021-02-05,2021-02-07 signatures=0 Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org From: Stefan Chulski BM pool and RXQ size increased to support Firmware Flow Control. Minimum depletion thresholds to support FC are 1024 buffers. BM pool size increased to 2048 to have some 1024 buffers space between depletion thresholds and BM pool size. Jumbo frames require a 9888B buffer, so memory requirements for data buffers increased from 7MB to 24MB. Signed-off-by: Stefan Chulski --- drivers/net/ethernet/marvell/mvpp2/mvpp2.h | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/drivers/net/ethernet/marvell/mvpp2/mvpp2.h b/drivers/net/ethernet/marvell/mvpp2/mvpp2.h index 89b3ede..cac9885 100644 --- a/drivers/net/ethernet/marvell/mvpp2/mvpp2.h +++ b/drivers/net/ethernet/marvell/mvpp2/mvpp2.h @@ -715,8 +715,8 @@ #define MVPP2_PORT_MAX_RXQ 32 /* Max number of Rx descriptors */ -#define MVPP2_MAX_RXD_MAX 1024 -#define MVPP2_MAX_RXD_DFLT 128 +#define MVPP2_MAX_RXD_MAX 2048 +#define MVPP2_MAX_RXD_DFLT 1024 /* Max number of Tx descriptors */ #define MVPP2_MAX_TXD_MAX 2048 @@ -851,8 +851,8 @@ enum mvpp22_ptp_packet_format { #define MVPP22_PTP_TIMESTAMPQUEUESELECT BIT(18) /* BM constants */ -#define MVPP2_BM_JUMBO_BUF_NUM 512 -#define MVPP2_BM_LONG_BUF_NUM 1024 +#define MVPP2_BM_JUMBO_BUF_NUM 2048 +#define MVPP2_BM_LONG_BUF_NUM 2048 #define MVPP2_BM_SHORT_BUF_NUM 2048 #define MVPP2_BM_POOL_SIZE_MAX (16*1024 - MVPP2_BM_POOL_PTR_ALIGN/4) #define MVPP2_BM_POOL_PTR_ALIGN 128