Re: traffic distribution not happening on 40G ethernet card.

[Eliezer Croitoru <eliezer@ngtech.co.il>]

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Hey,

Did you found any direction about the issue?

Eliezer

On 05/05/2014 12:39 PM, Varun Sharma wrote:
> Hi,
> 
> I am using nfqnl_test.c code available on netfilter org. I have 
> generated two binaries (queue0 and queue1) using that nfqnl_test.c 
> sample code. These binaries are working as per expected behaviour
> in case of 10G Ethernet but with 40G Ethernet only one queue is
> receiving network traffic.
> 
> I am not able to understand why only one queue is receiving
> network traffic in case of 40G Ethernet whereas same network
> traffic is being distributed in both the queues with 10G Ethernet.
> 
> Machine configuration for 40G Ethernet:-
> 
> kernel -: 2.6.32-431.el6.x86_64
> 
> libmnl-1.0.3-4.el6.x86_64
> 
> libnfnetlink-1.0.1-1.el6.x86_64
> 
> libnetfilter_queue-1.0.2-1.el6.x86_64
> 
> Command used for iptables:-
> 
> iptables -A INPUT –i eth4 -j NFQUEUE --queue-balance 0:1
> 
> 
> Output:-
> 
> [varun@exp2 ~]$ ./queue0
> 
> opening library handle
> 
> unbinding existing nf_queue handler for AF_INET (if any)
> 
> binding nfnetlink_queue as nf_queue handler for AF_INET
> 
> binding this socket to queue '0'
> 
> setting copy_packet mode
> 
> pkt received
> 
> queue0 hw_protocol=0x0800 hook=1 id=0
> hw_src_addr=fc:4d:d4:d3:7f:73 indev=2 payload_len=40
> 
> entering callback
> 
> pkt received
> 
> queue0 hw_protocol=0x0800 hook=1 id=1
> hw_src_addr=fc:4d:d4:d3:7f:73 indev=2 payload_len=40
> 
> entering callback
> 
> pkt received
> 
> queue0 hw_protocol=0x0800 hook=1 id=2
> hw_src_addr=fc:4d:d4:d3:7f:73 indev=2 payload_len=40
> 
> entering callback
> 
> pkt received
> 
> queue0 hw_protocol=0x0800 hook=1 id=3
> hw_src_addr=fc:4d:d4:f1:e1:5f indev=2 payload_len=78
> 
> entering callback
> 
> 
> 
> [varun@exp2 ~]$ ./queue1
> 
> opening library handle
> 
> unbinding existing nf_queue handler for AF_INET (if any)
> 
> binding nfnetlink_queue as nf_queue handler for AF_INET
> 
> binding this socket to queue '1'
> 
> setting copy_packet mode
> 
> 
> 
> 
> Please let me know if more information is required.
> 
> Regards Varun -- To unsubscribe from this list: send the line
> "unsubscribe netfilter" in the body of a message to
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> 

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