Thread (131 messages) 131 messages, 7 authors, 2010-01-21

Re: [PATCH] af_packet: Don't use skb after dev_queue_xmit()

From: Michael Breuer <hidden>
Date: 2010-01-18 22:26:40
Also in: lkml

On 1/18/2010 5:08 PM, Jarek Poplawski wrote:
On Mon, Jan 18, 2010 at 04:39:24PM -0500, Michael Breuer wrote:
   
quoted
Some output from tc -s qdisc:
     
...
   
quoted
After the conclusion of the test:
qdisc pfifo_fast 0: dev eth0 root refcnt 2 bands 3 priomap  1 2 2 2
1 2 0 0 1 1 1 1 1 1 1 1
  Sent 244900497 bytes 3416350 pkt (dropped 0, overlimits 0 requeues 0)
  rate 0bit 0pps backlog 0b 0p requeues 0
qdisc pfifo_fast 0: dev eth1 root refcnt 2 bands 3 priomap  1 2 2 2
1 2 0 0 1 1 1 1 1 1 1 1
  Sent 564380 bytes 4708 pkt (dropped 0, overlimits 0 requeues 0)
  rate 0bit 0pps backlog 0b 0p requeues 0
     
Great!

   
quoted
During the test, 8.9GB received; 232.9MB sent).

I also connected a second device through the wifi router. I was able
to ping that device w/o loss while DHCP packets were being dropped
to the other connected device.
     
Could you remind us if the problem is always with this first device?
Btw, I wonder if you could test it skipping the (HP?) switch?

Jarek P.
   
No - can be any device connected via the wifi router - wired or wireless.
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