diff options
| author | Shrikrishna Khare <skhare@vmware.com> | 2016-04-20 18:12:29 -0700 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2016-04-21 15:28:05 -0400 |
| commit | f0d437809d23999cb25207cfbe80c61e5703fdc1 (patch) | |
| tree | d5d38c2856fcce49019f45d1f9412011f66d0a65 /drivers/net/vmxnet3/vmxnet3_drv.c | |
| parent | f43bfaeddc79effbf3d0fcb53ca477cca66f3db8 (diff) | |
| download | linux-stable-f0d437809d23999cb25207cfbe80c61e5703fdc1.tar.gz linux-stable-f0d437809d23999cb25207cfbe80c61e5703fdc1.tar.bz2 linux-stable-f0d437809d23999cb25207cfbe80c61e5703fdc1.zip | |
Driver: Vmxnet3: set CHECKSUM_UNNECESSARY for IPv6 packets
For IPv6, if the device indicates that the checksum is correct, set
CHECKSUM_UNNECESSARY.
Reported-by: Subbarao Narahari <snarahari@vmware.com>
Signed-off-by: Shrikrishna Khare <skhare@vmware.com>
Signed-off-by: Jin Heo <heoj@vmware.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/vmxnet3/vmxnet3_drv.c')
| -rw-r--r-- | drivers/net/vmxnet3/vmxnet3_drv.c | 12 |
1 files changed, 8 insertions, 4 deletions
diff --git a/drivers/net/vmxnet3/vmxnet3_drv.c b/drivers/net/vmxnet3/vmxnet3_drv.c index b2348f67b00a..db8022ae415b 100644 --- a/drivers/net/vmxnet3/vmxnet3_drv.c +++ b/drivers/net/vmxnet3/vmxnet3_drv.c @@ -1152,12 +1152,16 @@ vmxnet3_rx_csum(struct vmxnet3_adapter *adapter, union Vmxnet3_GenericDesc *gdesc) { if (!gdesc->rcd.cnc && adapter->netdev->features & NETIF_F_RXCSUM) { - /* typical case: TCP/UDP over IP and both csums are correct */ - if ((le32_to_cpu(gdesc->dword[3]) & VMXNET3_RCD_CSUM_OK) == - VMXNET3_RCD_CSUM_OK) { + if (gdesc->rcd.v4 && + (le32_to_cpu(gdesc->dword[3]) & + VMXNET3_RCD_CSUM_OK) == VMXNET3_RCD_CSUM_OK) { + skb->ip_summed = CHECKSUM_UNNECESSARY; + BUG_ON(!(gdesc->rcd.tcp || gdesc->rcd.udp)); + BUG_ON(gdesc->rcd.frg); + } else if (gdesc->rcd.v6 && (le32_to_cpu(gdesc->dword[3]) & + (1 << VMXNET3_RCD_TUC_SHIFT))) { skb->ip_summed = CHECKSUM_UNNECESSARY; BUG_ON(!(gdesc->rcd.tcp || gdesc->rcd.udp)); - BUG_ON(!(gdesc->rcd.v4 || gdesc->rcd.v6)); BUG_ON(gdesc->rcd.frg); } else { if (gdesc->rcd.csum) { |