> -----Original Message-----
> From: Alexander Duyck [mailto:alexander.h.du...@intel.com]
> Sent: Thursday, May 26, 2011 9:19 PM
> To: Jon Zhou
> Cc: e1000-devel@lists.sourceforge.net
> Subject: Re: [E1000-devel] packet can't be routed to correct rxqueue by
> flow director filter
> 
> On 05/25/2011 10:57 PM, Jon Zhou wrote:
> > I set flow director filter like below:
> >
> > #!/bin/sh
> > ./ethtool -K eth5 ntuple off
> > ./ethtool -K eth5 ntuple on
> > ./ethtool -U eth5 flow-type tcp4 vlan 0 vlan-mask 0xF000 action 0
> > ./ethtool -U eth5 flow-type udp4 vlan 0 vlan-mask 0xF000 action 0
> > ./ethtool -U eth5 flow-type tcp4 vlan 1 vlan-mask 0xF000 action 1
> > ./ethtool -U eth5 flow-type udp4 vlan 1 vlan-mask 0xF000 action 1
> > ./ethtool -U eth5 flow-type tcp4 vlan 2 vlan-mask 0xF000 action 2
> > ./ethtool -U eth5 flow-type udp4 vlan 2 vlan-mask 0xF000 action 2
> > ./ethtool -U eth5 flow-type tcp4 vlan 3 vlan-mask 0xF000 action 3
> > ./ethtool -U eth5 flow-type udp4 vlan 3 vlan-mask 0xF000 action 3
> > ./ethtool -U eth5 flow-type tcp4 vlan 4 vlan-mask 0xF000 action 4
> > ./ethtool -U eth5 flow-type udp4 vlan 4 vlan-mask 0xF000 action 4
> > ./ethtool -U eth5 flow-type tcp4 vlan 5 vlan-mask 0xF000 action 5
> > ./ethtool -U eth5 flow-type udp4 vlan 5 vlan-mask 0xF000 action 5
> > ./ethtool -U eth5 flow-type tcp4 vlan 6 vlan-mask 0xF000 action 6
> > ./ethtool -U eth5 flow-type udp4 vlan 6 vlan-mask 0xF000 action 6
> > ./ethtool -U eth5 flow-type tcp4 vlan 7 vlan-mask 0xF000 action 7
> > ./ethtool -U eth5 flow-type udp4 vlan 7 vlan-mask 0xF000 action 7
> >
> > ./ethtool -U eth5 flow-type tcp4 vlan 16 vlan-mask 0xF000 action 8
> > ./ethtool -U eth5 flow-type udp4 vlan 16 vlan-mask 0xF000 action 8
> > ./ethtool -U eth5 flow-type tcp4 vlan 17 vlan-mask 0xF000 action 9
> > ./ethtool -U eth5 flow-type udp4 vlan 17 vlan-mask 0xF000 action 9
> > ./ethtool -U eth5 flow-type tcp4 vlan 18 vlan-mask 0xF000 action 10
> > ./ethtool -U eth5 flow-type udp4 vlan 18 vlan-mask 0xF000 action 10
> > ./ethtool -U eth5 flow-type tcp4 vlan 19 vlan-mask 0xF000 action 11
> > ./ethtool -U eth5 flow-type udp4 vlan 19 vlan-mask 0xF000 action 11
> > ./ethtool -U eth5 flow-type tcp4 vlan 20 vlan-mask 0xF000 action 2
> > ./ethtool -U eth5 flow-type udp4 vlan 20 vlan-mask 0xF000 action 2
> > ./ethtool -U eth5 flow-type tcp4 vlan 21 vlan-mask 0xF000 action 0
> > ./ethtool -U eth5 flow-type udp4 vlan 21 vlan-mask 0xF000 action 0
> > ./ethtool -U eth5 flow-type tcp4 vlan 22 vlan-mask 0xF000 action 1
> > ./ethtool -U eth5 flow-type udp4 vlan 22 vlan-mask 0xF000 action 1
> > ./ethtool -U eth5 flow-type tcp4 vlan 23 vlan-mask 0xF000 action 3
> > ./ethtool -U eth5 flow-type udp4 vlan 23 vlan-mask 0xF000 action 3
> >
> > Most packets were processed correctly except the attachment, which
> vlan_id =4, routed to queue 0 always.
> >
> > ethtool -i eth5
> > driver: ixgbe
> > version: 3.3.9-NAPI
> > firmware-version: 0.9-3
> > bus-info: 0000:08:00.1
> The packet you included was IP fragmented.  This is a limitation of
> Flow
> Director.  It cannot match fragmented packets as there is no guarantee
> that fields such at UDP/TCP port numbers will be present.
> 
> Thanks,
> 
> Alex

Any workaround to avoid this? Since I don't care about the UDP/TCP port, just 
assign packet according to its VLAN ID.


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