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r8152: fix the sw rx checksum is unavailable

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Fix the hw rx checksum is always enabled, and the user couldn't switch
it to sw rx checksum.

Note that the RTL_VER_01 only support sw rx checksum only. Besides,
the hw rx checksum for RTL_VER_02 is disabled after
commit b9a321b48a ("r8152: Fix broken RX checksums."). Re-enable it.

Signed-off-by: Hayes Wang <hayeswang@realtek.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
hayeswang 2017-01-11 16:25:34 +08:00 committed by David S. Miller
parent ba836a6f5a
commit 19c0f40d4f
1 changed files with 6 additions and 1 deletions
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7
drivers/net/usb/r8152.c
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@ -1730,7 +1730,7 @@ static u8 r8152_rx_csum(struct r8152 *tp, struct rx_desc *rx_desc)
u8 checksum = CHECKSUM_NONE;
u32 opts2, opts3;
if (tp->version == RTL_VER_01 || tp->version == RTL_VER_02)
if (!(tp->netdev->features & NETIF_F_RXCSUM))
goto return_result;
opts2 = le32_to_cpu(rx_desc->opts2);
@ -4356,6 +4356,11 @@ static int rtl8152_probe(struct usb_interface *intf,
NETIF_F_HIGHDMA | NETIF_F_FRAGLIST |
NETIF_F_IPV6_CSUM | NETIF_F_TSO6;
if (tp->version == RTL_VER_01) {
netdev->features &= ~NETIF_F_RXCSUM;
netdev->hw_features &= ~NETIF_F_RXCSUM;
}
netdev->ethtool_ops = &ops;
netif_set_gso_max_size(netdev, RTL_LIMITED_TSO_SIZE);