From mboxrd@z Thu Jan 1 00:00:00 1970 From: Gavin Shan Subject: [PATCH RFC 6/6] net/faraday: Enable offload checksum according to device-tree Date: Mon, 9 Nov 2015 11:10:06 +1100 Message-ID: <1447027806-4744-7-git-send-email-gwshan@linux.vnet.ibm.com> References: <1447027806-4744-1-git-send-email-gwshan@linux.vnet.ibm.com> Cc: benh@kernel.crashing.org, davem@davemloft.net, sergei.shtylyov@cogentembedded.com, Gavin Shan To: netdev@vger.kernel.org Return-path: Received: from e23smtp06.au.ibm.com ([202.81.31.148]:45623 "EHLO e23smtp06.au.ibm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751417AbbKIALO (ORCPT ); Sun, 8 Nov 2015 19:11:14 -0500 Received: from /spool/local by e23smtp06.au.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted for from ; Mon, 9 Nov 2015 10:11:11 +1000 Received: from d23relay08.au.ibm.com (d23relay08.au.ibm.com [9.185.71.33]) by d23dlp03.au.ibm.com (Postfix) with ESMTP id 422673578056 for ; Mon, 9 Nov 2015 11:11:09 +1100 (EST) Received: from d23av01.au.ibm.com (d23av01.au.ibm.com [9.190.234.96]) by d23relay08.au.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id tA90AkDt33620128 for ; Mon, 9 Nov 2015 11:10:54 +1100 Received: from d23av01.au.ibm.com (localhost [127.0.0.1]) by d23av01.au.ibm.com (8.14.4/8.14.4/NCO v10.0 AVout) with ESMTP id tA90AZXh027067 for ; Mon, 9 Nov 2015 11:10:36 +1100 In-Reply-To: <1447027806-4744-1-git-send-email-gwshan@linux.vnet.ibm.com> Sender: netdev-owner@vger.kernel.org List-ID: This enables IP/UDP/TCP offload checksum according to information passed on from bootloader through device-tree. The offload doesn't working properly when the interface works in NCSI mode. Signed-off-by: Gavin Shan --- drivers/net/ethernet/faraday/ftgmac100.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/drivers/net/ethernet/faraday/ftgmac100.c b/drivers/net/ethernet/faraday/ftgmac100.c index 1b13fd4..1e2f4d2 100644 --- a/drivers/net/ethernet/faraday/ftgmac100.c +++ b/drivers/net/ethernet/faraday/ftgmac100.c @@ -1377,7 +1377,10 @@ static int ftgmac100_probe(struct platform_device *pdev) netdev->ethtool_ops = &ftgmac100_ethtool_ops; netdev->netdev_ops = &ftgmac100_netdev_ops; - netdev->features = NETIF_F_IP_CSUM | NETIF_F_GRO; + netdev->features = NETIF_F_GRO; + if (pdev->dev.of_node && + of_property_read_bool(pdev->dev.of_node, "no-hw-checksum")) + netdev->features |= NETIF_F_IP_CSUM; platform_set_drvdata(pdev, netdev); -- 2.1.0