Hi Amir
I am able to receive all the packets also with RSS=6,6,6,6 with the pcap you
provided and pfcount_multichannel -r
Alfredo
On 02 Jul 2015, at 18:08, Amir Kaduri akadur...@gmail.com wrote:
Hi Alfredo,
I would like to add that I repeated the test with RSS=8,8,8,8,8,8,8,8 like
you, and now it works.
I guess that If you'll do it like with (with RSS 6) you'll notice the problem
as well.
Thanks,
Amir
On Thu, Jul 2, 2015 at 6:06 PM, Amir Kaduri akadur...@gmail.com
mailto:akadur...@gmail.com wrote:
Hi Alfredo,
Per your suggestion, I've downloaded today the latest (dev) pf_ring code,
compiled and repeated the test.
Unfortunately, the problem repeats itself: without -r the
pfcount_multichannel receives the packets, while with -r, it doesn't.
Any thoughts will be much appreciated.
Thanks,
Amir
On Wed, Jul 1, 2015 at 7:22 AM, Amir Kaduri akadur...@gmail.com
mailto:akadur...@gmail.com wrote:
Thank you Alfredo for your response. Soon I'll test again with latest code.
Amir
On Tue, Jun 30, 2015 at 7:54 PM, Alfredo Cardigliano cardigli...@ntop.org
mailto:cardigli...@ntop.org wrote:
Hi Amir
sorry I didn’t have the testbed for testing this before,
I ran some test with your traffic and your configuration (actually I used 8
RSS queues) and I am able to receive all traffic with pfcount_multichannel
-r. Please try with latest code.
Best Regards
Alfredo
On 02 Jun 2015, at 08:25, Amir Kaduri akadur...@gmail.com
mailto:akadur...@gmail.com wrote:
Hi Alfredo,
Any chance that you'll take a look at this issue? At least give an
indication whether its a real problem or not?
Thanks,
Amir
On Wed, May 27, 2015 at 4:59 PM, Amir Kaduri akadur...@gmail.com
mailto:akadur...@gmail.com wrote:
I'll appreciate validating that the following is a real problem that I've
found:
Problem description:
When I use the tester “pfcount_multichannel” with the –r argument (i.e.
enable rss rehash), the application doesn’t receive the packets of some
sessions.
When I remove the “-r” argument from the command line, all packets received
as expected.
Additional information:
1. 1. I’m using pf_ring dev downloaded from github on 13/05/2015.
2. 2. The command-line I’m using is: pfcount_multichannel -i eth3 –r
3. 3. A sample pcap file of a single session, that I don’t receive its
packets, can be found in the following link:
https://drive.google.com/open?id=0B10Ms5GOXgCxbnJSUHNrUXhLazAauthuser=0
https://drive.google.com/open?id=0B10Ms5GOXgCxbnJSUHNrUXhLazAauthuser=0
4. 4. Machine has 24 cores.
5. 5. Eth3, the receiving interface, is configured to use 6 cores.
6. 6. Machine details:
Linux 2.6.32-504.8.1.el6.x86_64 #1 SMP Wed Jan 28 21:11:36 UTC 2015 x86_64
x86_64 x86_64 GNU/Linux
7. 7. Interface details:
eth3 Ethernet controller [0200]: Intel Corporation 82599EB 10-Gigabit
SFI/SFP+ Network Connection [8086:10fb] (rev 01)
Subsystem: Intel Corporation Ethernet Server Adapter X520-2 [8086:000c]
MAC: 2, PHY: 12, SFP+: 6, PBA No: FF-0FF
8. 8. The ixgbe.ko has been loaded with RSS=6,6,6,6,6,6,6
9. 9. cat /proc/net/pf_ring/info
PF_RING Version : 6.1.0 ()
Total rings : 6
Standard (non DNA/ZC) Options
Ring slots : 4096
Slot version : 16
Capture TX : Yes [RX+TX]
IP Defragment: No
Socket Mode : Standard
Total plugins: 0
Cluster Fragment Queue : 0
Cluster Fragment Discard : 0
Additional remarks:
1. 1. In function pfring_hash_pkt(..) in file pfring_utils.c, the fact
that tunnel.tunneled_ip_src.v6.s6_addr32[0] is missing, looks like a bug.
2. 2. By reviewing the code, it looks that the functions
hash_pkt_header(..) + hash_pkt(..) in file pf_ring.c, and function
pfring_hash_pkt(..) in file pfring_utils.c, can somehow be unified.
Regards,
Amir
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