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ixgbevf: fix VF untagging when 802.1 prio is set
We have had an issue when using ixgbe+ixgbevf and 802.1 VLAN tagging. When attaching a VLAN to a VF, frames with a 802.1q priority appeared untagged on the VF hence not reaching the VLAN, where frames with priority 0 where tagged as expected and seen by the VLAN device. This seems due to the way ixgbevf is looking up the full tag (prio+cfi+vlan) against the adapter active_vlans, as a condition to mark the skb tagged. Signed-off-by: Pascal Bouchareine <pascal@gandi.net> Tested-by: Sibai Li <sibai.li@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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@ -279,7 +279,7 @@ static void ixgbevf_receive_skb(struct ixgbevf_q_vector *q_vector,
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bool is_vlan = (status & IXGBE_RXD_STAT_VP);
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u16 tag = le16_to_cpu(rx_desc->wb.upper.vlan);
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if (is_vlan && test_bit(tag, adapter->active_vlans))
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if (is_vlan && test_bit(tag & VLAN_VID_MASK, adapter->active_vlans))
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__vlan_hwaccel_put_tag(skb, tag);
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napi_gro_receive(&q_vector->napi, skb);
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