From mboxrd@z Thu Jan 1 00:00:00 1970 From: Cong Wang Subject: [PATCH net] qlge: remove NETIF_F_TSO6 flag Date: Fri, 11 Jan 2013 16:52:54 +0800 Message-ID: <1357894374-10767-1-git-send-email-amwang@redhat.com> Cc: Jitendra Kalsaria , Ron Mercer , linux-driver@qlogic.com, "David S. Miller" , Cong Wang To: netdev@vger.kernel.org Return-path: Received: from mx1.redhat.com ([209.132.183.28]:56174 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753212Ab3AKIxP (ORCPT ); Fri, 11 Jan 2013 03:53:15 -0500 Sender: netdev-owner@vger.kernel.org List-ID: It is werid that qlge driver supports NETIF_F_TSO6 but not NETIF_F_IPV6_CSUM. This also causes some kernel warning [1] when VLAN device setups on a qlge interface. I think the qlge hardware doesn't support NETIF_F_IPV6_CSUM, so we have to just remove the NETIF_F_TSO6 flag. After this patch, the TCP/IPv6 traffic becomes normal again, no kernel warnings any more. NOTE: I only tested it on 2.6.32 kernel, even if the upstream kernel could fix this automatically (it is hard to track NETIF* flags), removing it is also safe. 1. https://bugzilla.redhat.com/show_bug.cgi?id=891839 Cc: Jitendra Kalsaria Cc: Ron Mercer Cc: linux-driver@qlogic.com Cc: David S. Miller Signed-off-by: Cong Wang --- diff --git a/drivers/net/ethernet/qlogic/qlge/qlge_main.c b/drivers/net/ethernet/qlogic/qlge/qlge_main.c index f80cd97..3e73742 100644 --- a/drivers/net/ethernet/qlogic/qlge/qlge_main.c +++ b/drivers/net/ethernet/qlogic/qlge/qlge_main.c @@ -4678,7 +4678,7 @@ static int qlge_probe(struct pci_dev *pdev, qdev = netdev_priv(ndev); SET_NETDEV_DEV(ndev, &pdev->dev); ndev->hw_features = NETIF_F_SG | NETIF_F_IP_CSUM | - NETIF_F_TSO | NETIF_F_TSO6 | NETIF_F_TSO_ECN | + NETIF_F_TSO | NETIF_F_TSO_ECN | NETIF_F_HW_VLAN_TX | NETIF_F_RXCSUM; ndev->features = ndev->hw_features | NETIF_F_HW_VLAN_RX | NETIF_F_HW_VLAN_FILTER;