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r8169: Support RX-FCS flag. 

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 <greearb@candelatech.com>
hifive-unleashed-5.1
Ben Greear 2012-02-10 15:04:34 +00:00 committed by Jeff Kirsher
parent 6bbe021d40
commit 79d0c1d26e
1 changed files with 5 additions and 1 deletions
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6
drivers/net/ethernet/realtek/r8169.c
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@ -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