From patchwork Mon Sep 26 06:33:50 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Nelson Chang X-Patchwork-Id: 9350165 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 4891C6077B for ; Mon, 26 Sep 2016 06:34:27 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 3659628988 for ; Mon, 26 Sep 2016 06:34:27 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 2B2F928B6C; Mon, 26 Sep 2016 06:34:27 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-4.2 required=2.0 tests=BAYES_00, RCVD_IN_DNSWL_MED, UNPARSEABLE_RELAY autolearn=ham version=3.3.1 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.9]) (using TLSv1.2 with cipher AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id DD03628988 for ; Mon, 26 Sep 2016 06:34:25 +0000 (UTC) Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.85_2 #1 (Red Hat Linux)) id 1boPUe-0001IJ-BM; Mon, 26 Sep 2016 06:34:24 +0000 Received: from [210.61.82.183] (helo=mailgw01.mediatek.com) by bombadil.infradead.org with esmtp (Exim 4.85_2 #1 (Red Hat Linux)) id 1boPUZ-0000lR-Rd for linux-mediatek@lists.infradead.org; Mon, 26 Sep 2016 06:34:21 +0000 Received: from mtkhts09.mediatek.inc [(172.21.101.70)] by mailgw01.mediatek.com (envelope-from ) (mhqrelay.mediatek.com ESMTP with TLS) with ESMTP id 863994381; Mon, 26 Sep 2016 14:33:56 +0800 Received: from mtkslt203.mediatek.inc (10.21.15.19) by mtkhts09.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 14.3.266.1; Mon, 26 Sep 2016 14:32:00 +0800 From: Nelson Chang To: , Subject: [PATCH net-next 2/2] net: ethernet: mediatek: bug fix to disable HW LRO Date: Mon, 26 Sep 2016 14:33:50 +0800 Message-ID: <1474871630-4134-3-git-send-email-nelson.chang@mediatek.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1474871630-4134-1-git-send-email-nelson.chang@mediatek.com> References: <1474871630-4134-1-git-send-email-nelson.chang@mediatek.com> MIME-Version: 1.0 X-MTK: N X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20160925_233420_107224_6341D144 X-CRM114-Status: UNSURE ( 8.47 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-mediatek@lists.infradead.org X-Mailman-Version: 2.1.20 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: netdev@vger.kernel.org, nbd@openwrt.org, linux-mediatek@lists.infradead.org, nelsonch.tw@gmail.com, Nelson Chang Sender: "Linux-mediatek" Errors-To: linux-mediatek-bounces+patchwork-linux-mediatek=patchwork.kernel.org@lists.infradead.org X-Virus-Scanned: ClamAV using ClamSMTP (1) Modify the register settings for LRO relinquishments (2) Jump out from the waiting loop while LRO relinquishments are done Signed-off-by: Nelson Chang --- drivers/net/ethernet/mediatek/mtk_eth_soc.c | 1 + drivers/net/ethernet/mediatek/mtk_eth_soc.h | 4 ++-- 2 files changed, 3 insertions(+), 2 deletions(-) diff --git a/drivers/net/ethernet/mediatek/mtk_eth_soc.c b/drivers/net/ethernet/mediatek/mtk_eth_soc.c index 62de68d..ddf20a0 100644 --- a/drivers/net/ethernet/mediatek/mtk_eth_soc.c +++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.c @@ -1374,6 +1374,7 @@ static void mtk_hwlro_rx_uninit(struct mtk_eth *eth) msleep(20); continue; } + break; } /* invalidate lro rings */ diff --git a/drivers/net/ethernet/mediatek/mtk_eth_soc.h b/drivers/net/ethernet/mediatek/mtk_eth_soc.h index 7e194f7..3003195 100644 --- a/drivers/net/ethernet/mediatek/mtk_eth_soc.h +++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.h @@ -102,8 +102,8 @@ #define MTK_LRO_EN BIT(0) #define MTK_L3_CKS_UPD_EN BIT(7) #define MTK_LRO_ALT_PKT_CNT_MODE BIT(21) -#define MTK_LRO_RING_RELINQUISH_REQ (0x3 << 26) -#define MTK_LRO_RING_RELINQUISH_DONE (0x3 << 29) +#define MTK_LRO_RING_RELINQUISH_REQ (0x7 << 26) +#define MTK_LRO_RING_RELINQUISH_DONE (0x7 << 29) #define MTK_PDMA_LRO_CTRL_DW1 0x984 #define MTK_PDMA_LRO_CTRL_DW2 0x988