From mboxrd@z Thu Jan 1 00:00:00 1970 From: greearb@candelatech.com Subject: [PATCH v3 16/16] r8169: Support RX-FCS flag. Date: Fri, 10 Feb 2012 17:04:34 -0800 Message-ID: <1328922274-23993-17-git-send-email-greearb@candelatech.com> References: <1328922274-23993-1-git-send-email-greearb@candelatech.com> Cc: Ben Greear To: netdev@vger.kernel.org Return-path: Received: from mail.candelatech.com ([208.74.158.172]:55824 "EHLO ns3.lanforge.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755210Ab2BKBEt (ORCPT ); Fri, 10 Feb 2012 20:04:49 -0500 In-Reply-To: <1328922274-23993-1-git-send-email-greearb@candelatech.com> Sender: netdev-owner@vger.kernel.org List-ID: From: Ben Greear This allows the NIC to receive the Ethernet FCS and pass it up the stack, allowing sniffers and other interested programs to inspect the FCS. Signed-off-by: Ben Greear --- :100644 100644 0517a6a... fbd855b... M drivers/net/ethernet/realtek/r8169.c drivers/net/ethernet/realtek/r8169.c | 6 +++++- 1 files changed, 5 insertions(+), 1 deletions(-) diff --git a/drivers/net/ethernet/realtek/r8169.c b/drivers/net/ethernet/realtek/r8169.c index 0517a6a..fbd855b 100644 --- a/drivers/net/ethernet/realtek/r8169.c +++ b/drivers/net/ethernet/realtek/r8169.c @@ -4186,6 +4186,7 @@ rtl8169_init_one(struct pci_dev *pdev, const struct pci_device_id *ent) dev->hw_features &= ~NETIF_F_HW_VLAN_RX; dev->hw_features |= NETIF_F_RXALL; + dev->hw_features |= NETIF_F_RXFCS; tp->hw_start = cfg->hw_start; tp->event_slow = cfg->event_slow; @@ -5773,7 +5774,10 @@ static int rtl_rx(struct net_device *dev, struct rtl8169_private *tp, u32 budget process_pkt: addr = le64_to_cpu(desc->addr); - pkt_size = (status & 0x00003fff) - 4; + if (likely(!(dev->features & NETIF_F_RXFCS))) + pkt_size = (status & 0x00003fff) - 4; + else + pkt_size = status & 0x00003fff; /* * The driver does not support incoming fragmented -- 1.7.3.4