From patchwork Wed Feb 10 22:33:50 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Michael Chan X-Patchwork-Id: 581714 X-Patchwork-Delegate: davem@davemloft.net Return-Path: X-Original-To: patchwork-incoming@ozlabs.org Delivered-To: patchwork-incoming@ozlabs.org Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 5A48A1402C0 for ; Thu, 11 Feb 2016 09:34:52 +1100 (AEDT) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751638AbcBJWeg (ORCPT ); Wed, 10 Feb 2016 17:34:36 -0500 Received: from 5520-maca-inet1-outside.broadcom.com ([216.31.211.11]:45680 "EHLO mail-irv-18.broadcom.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750953AbcBJWdw (ORCPT ); Wed, 10 Feb 2016 17:33:52 -0500 Received: from mail-irva-13.broadcom.com (mail-irva-13.broadcom.com [10.11.16.103]) by mail-irv-18.broadcom.com (Postfix) with ESMTP id 52EFB8204B; Wed, 10 Feb 2016 14:33:51 -0800 (PST) Received: from localhost.broadcom.com (unknown [10.12.136.177]) by mail-irva-13.broadcom.com (Postfix) with ESMTP id ACBC740FEB; Wed, 10 Feb 2016 14:33:45 -0800 (PST) From: Michael Chan To: davem@davemloft.net Cc: netdev@vger.kernel.org Subject: [PATCH net 5/5] bnxt_en: Reduce default ring sizes. Date: Wed, 10 Feb 2016 17:33:50 -0500 Message-Id: <1455143630-30140-6-git-send-email-mchan@broadcom.com> X-Mailer: git-send-email 1.8.3.1 In-Reply-To: <1455143630-30140-1-git-send-email-mchan@broadcom.com> References: <1455143630-30140-1-git-send-email-mchan@broadcom.com> Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org The current default tx ring size of 512 causes an extra page to be allocated for the tx ring with only 1 entry in it. Reduce it to 511. The default rx ring size is also reduced to 511 to use less memory by default. Signed-off-by: Michael Chan --- drivers/net/ethernet/broadcom/bnxt/bnxt.h | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt.h b/drivers/net/ethernet/broadcom/bnxt/bnxt.h index 9b4866c..2be51b3 100644 --- a/drivers/net/ethernet/broadcom/bnxt/bnxt.h +++ b/drivers/net/ethernet/broadcom/bnxt/bnxt.h @@ -411,8 +411,8 @@ struct rx_tpa_end_cmp_ext { #define BNXT_NUM_TESTS(bp) 0 -#define BNXT_DEFAULT_RX_RING_SIZE 1023 -#define BNXT_DEFAULT_TX_RING_SIZE 512 +#define BNXT_DEFAULT_RX_RING_SIZE 511 +#define BNXT_DEFAULT_TX_RING_SIZE 511 #define MAX_TPA 64