From patchwork Mon Feb 8 08:32:38 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Stefan Chulski X-Patchwork-Id: 379030 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, URIBL_BLOCKED, 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 029F0C433E9 for ; Mon, 8 Feb 2021 08:38:55 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id A7F2C64E45 for ; Mon, 8 Feb 2021 08:38:54 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230409AbhBHIhn (ORCPT ); Mon, 8 Feb 2021 03:37:43 -0500 Received: from mx0b-0016f401.pphosted.com ([67.231.156.173]:31882 "EHLO mx0b-0016f401.pphosted.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230251AbhBHIev (ORCPT ); Mon, 8 Feb 2021 03:34:51 -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 1188WC1k003077; Mon, 8 Feb 2021 00:33:58 -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=Z+f0d37uesmDP0+y3HpvCSl9s9Y4PX1qxt3JxKGneCM=; b=Fn5ZlrzdniTrszIL3h2yTT2uHwtmPOK7sWNMYWrXK6v3yYhrO36WTnX9djQvjuqLiRjX RaOeeJ5DGwnzc325tjJvW1U3DmZjuTou+Ly+3co8DEth7r4cAyVKNDYrsD0Kp6jHm/k5 vwrnYFo4//slaGdC4/NxrrQN+L86l2SU6u9gza7SRlmpFrGnoksEfCqEU7NWT5UmlY/0 SAP2hYlMBAd2XeNxYdfjwSCCaYi9uIlBkP/c6JglBC0rqvZie3NUXsDO1jPszFx8a+N5 g5VgMoWhJkoF8cVdIQrYH/gG+ErBE7f+axGffhl7/wQ6rgQo3hDZRCm5HYPS12Oiz3Uc vg== Received: from dc5-exch01.marvell.com ([199.233.59.181]) by mx0b-0016f401.pphosted.com with ESMTP id 36hugq3y8t-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-SHA384 bits=256 verify=NOT); Mon, 08 Feb 2021 00:33:58 -0800 Received: from SC-EXCH01.marvell.com (10.93.176.81) by DC5-EXCH01.marvell.com (10.69.176.38) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Mon, 8 Feb 2021 00:33:56 -0800 Received: from DC5-EXCH02.marvell.com (10.69.176.39) by SC-EXCH01.marvell.com (10.93.176.81) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Mon, 8 Feb 2021 00:33:56 -0800 Received: from maili.marvell.com (10.69.176.80) by DC5-EXCH02.marvell.com (10.69.176.39) with Microsoft SMTP Server id 15.0.1497.2 via Frontend Transport; Mon, 8 Feb 2021 00:33:56 -0800 Received: from stefan-pc.marvell.com (stefan-pc.marvell.com [10.5.25.21]) by maili.marvell.com (Postfix) with ESMTP id 40DFF3F703F; Mon, 8 Feb 2021 00:33:52 -0800 (PST) From: To: CC: , , , , , , , , , , , , , , , , Subject: [PATCH v10 net-next 06/15] net: mvpp2: increase BM pool and RXQ size Date: Mon, 8 Feb 2021 10:32:38 +0200 Message-ID: <1612773167-22490-7-git-send-email-stefanc@marvell.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1612773167-22490-1-git-send-email-stefanc@marvell.com> References: <1612773167-22490-1-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=2021-02-08_02:2021-02-08,2021-02-08 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 ce08086..e7bbf0a 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 @@ -848,8 +848,8 @@ 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