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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id EA9AACE79CF for ; Wed, 20 Sep 2023 12:06:11 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234561AbjITMGP (ORCPT ); Wed, 20 Sep 2023 08:06:15 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:38562 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235160AbjITMGN (ORCPT ); Wed, 20 Sep 2023 08:06:13 -0400 Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 3A590ED for ; Wed, 20 Sep 2023 05:06:06 -0700 (PDT) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 24018C433CC; Wed, 20 Sep 2023 12:06:05 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1695211566; bh=eZ62FzJig4SyPTE3y4FtgQ3g9FhAnqUKDkaUuquGI7g=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=S77dsq9uYlUKKuB410TJLZWkTWn255pqUMSV9N6Tyg2X/pALgI+VONgLvGyLXhP5y RpRIzj6MUBS8xiJXo3OzlqtgSL7Wil6RiDM1P9hPKr/mHbyhfmNuJOFa1WpXDAwt2r cUJSz6aR1TMw2LBKh1ih+dYYZXgCcPtKK41oC/R4= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Olga Zaborska , Tony Nguyen , Sasha Levin , Pucha Himasekhar Reddy Subject: [PATCH 4.14 141/186] igb: Change IGB_MIN to allow set rx/tx value between 64 and 80 Date: Wed, 20 Sep 2023 13:30:44 +0200 Message-ID: <20230920112842.081904609@linuxfoundation.org> X-Mailer: git-send-email 2.42.0 In-Reply-To: <20230920112836.799946261@linuxfoundation.org> References: <20230920112836.799946261@linuxfoundation.org> User-Agent: quilt/0.67 X-stable: review X-Patchwork-Hint: ignore MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org 4.14-stable review patch. If anyone has any objections, please let me know. ------------------ From: Olga Zaborska [ Upstream commit 6319685bdc8ad5310890add907b7c42f89302886 ] Change the minimum value of RX/TX descriptors to 64 to enable setting the rx/tx value between 64 and 80. All igb devices can use as low as 64 descriptors. This change will unify igb with other drivers. Based on commit 7b1be1987c1e ("e1000e: lower ring minimum size to 64") Fixes: 9d5c824399de ("igb: PCI-Express 82575 Gigabit Ethernet driver") Signed-off-by: Olga Zaborska Tested-by: Pucha Himasekhar Reddy (A Contingent worker at Intel) Signed-off-by: Tony Nguyen Signed-off-by: Sasha Levin --- drivers/net/ethernet/intel/igb/igb.h | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/net/ethernet/intel/igb/igb.h b/drivers/net/ethernet/intel/igb/igb.h index 1113bf322f45b..a1e924391ae5b 100644 --- a/drivers/net/ethernet/intel/igb/igb.h +++ b/drivers/net/ethernet/intel/igb/igb.h @@ -52,11 +52,11 @@ struct igb_adapter; /* TX/RX descriptor defines */ #define IGB_DEFAULT_TXD 256 #define IGB_DEFAULT_TX_WORK 128 -#define IGB_MIN_TXD 80 +#define IGB_MIN_TXD 64 #define IGB_MAX_TXD 4096 #define IGB_DEFAULT_RXD 256 -#define IGB_MIN_RXD 80 +#define IGB_MIN_RXD 64 #define IGB_MAX_RXD 4096 #define IGB_DEFAULT_ITR 3 /* dynamic */ -- 2.40.1