[Cake] Cake with Deep Packet Inspection

Outback Dingo outbackdingo at gmail.com
Fri Nov 11 09:56:51 EST 2016 

On Fri, Nov 11, 2016 at 10:22 PM, Noah Causin <n0manletter at gmail.com> wrote:
> What I would try is deleting your build source folder and start from
> scratch.
>
> Then edit source/package/kernel/kmod-sched-cake/Makefile
>
> change the PKG_SOURCE_VERSION to 70169dba14daa6ef7907af9c1e922ef9f797993a
>
> That's the latest stable version of cake.
>
> https://github.com/dtaht/sch_cake/commit/70169dba14daa6ef7907af9c1e922ef9f797993a
>
>

Appreciate the attempt to help, but it did this even prior to adding
cake previously when just using loading sqm
ill give it a go but i believe the issue is deeper then just cake.


>
> On 11/11/2016 9:08 AM, Outback Dingo wrote:
>>
>> On Fri, Nov 11, 2016 at 9:04 PM, Noah Causin <n0manletter at gmail.com>
>> wrote:
>>>
>>> Do you build your firmware from the git repository?
>>>
>>>
>> Yes it is built from a recent trunk, as of yesterday
>>
>>
>>> On 11/10/2016 11:28 PM, Outback Dingo wrote:
>>>>
>>>> On Fri, Nov 11, 2016 at 10:52 AM, Outback Dingo <outbackdingo at gmail.com>
>>>> wrote:
>>>>>
>>>>> On Fri, Nov 11, 2016 at 10:42 AM, Noah Causin <n0manletter at gmail.com>
>>>>> wrote:
>>>>>>
>>>>>> I took an extra router I had and bridged two ports on the router's
>>>>>> switch,
>>>>>> so they just pass traffic. (eth0.2 and eth0.3)
>>>>>>
>>>>>> Clients >-[Main Router] --[Extra Router]--[Cable-Modem]
>>>>>>
>>>>>> The extra router is passive.  It acts like it's part of the Ethernet
>>>>>> cable
>>>>>> between the main router and cable modem.  It does not interfere.
>>>>>>
>>>>>> The extra router needs these packages:
>>>>>>
>>>>>> kmod-ebtables, kmod-ebtables-ipv4, kmod-crypto-pcompress and the two
>>>>>> packages compiled from the Makefile I showed below (iptables-mod-ndpi
>>>>>> and
>>>>>> iptables-mod-ndpi)
>>>>>>
>>>>>> I edited /etc/sysctl.conf and change the last two lines to this:
>>>>>>
>>>>>> net.bridge.bridge-nf-call-ip6tables=1
>>>>>> net.bridge.bridge-nf-call-iptables=1
>>>>>>
>>>>>> This enables bridge firewalling, so the traffic between the two ports
>>>>>> can be
>>>>>> marked.
>>>>>>
>>>>>> I then added firewall rules to LuCIs custom firewall rules tab.
>>>>>>
>>>>>> Example Rules, modify classes as desired:
>>>>>>
>>>>>> iptables -t mangle -A FORWARD -m ndpi --steam -m mac ! --mac-source
>>>>>> Your
>>>>>> Main Router's Mac Address -j DSCP --set-dscp-class cs0
>>>>>> iptables -t mangle -A FORWARD -m ndpi --youtube -m mac ! --mac-source
>>>>>> Your
>>>>>> Main Router's Mac Address -j DSCP --set-dscp-class cs2
>>>>>>
>>>>>> iptables -t mangle -A FORWARD -m ndpi --netflix -m mac ! --mac-source
>>>>>> Your
>>>>>> Main Router's Mac Address -j DSCP --set-dscp-class cs3
>>>>>> iptables -t mangle -A FORWARD -m ndpi --skype -m mac ! --mac-source
>>>>>> Your
>>>>>> Main Router's Mac Address -j DSCP --set-dscp-class cs4
>>>>>>
>>>>>> Have your main router use some form of DiffServ for both upload and
>>>>>> download
>>>>>> on its WAN interface.  For upload traffic, you just need the two
>>>>>> packages
>>>>>> from the makefile to be installed on the main router and create
>>>>>> firewall
>>>>>> rules like this:
>>>>>>
>>>>>> iptables -t mangle -A FORWARD -o eth2 -m ndpi --netflix -j DSCP
>>>>>> --set-dscp-class cs3
>>>>>> iptables -t mangle -A FORWARD -o eth2 -m ndpi --skype -j DSCP
>>>>>> --set-dscp-class cs4
>>>>>>
>>>>>> If you need help building a custom firmware image, just let me know.
>>>>>>
>>>>> Ok got it, its in-line.... right now im fighting the GFW of China
>>>>> using shadowsocks and chinadns so im pretty customized already,
>>>>> i was having issues with sqm and kernel segfaults on 4.4.30 ill build
>>>>> a cake and DPI image and see how that goes, maybe Ill try this
>>>>> after i deem sqm is stable with cake on this build. It a ZBT-WG3526
>>>>> router... so its ralink based
>>>>
>>>> like i stated on LEDE major issues when sqm is enabled.... even with
>>>> cake... is nobody else seeing these issues?
>>>>
>>>> [  569.020000]  1-...: (6 GPs behind) idle=236/0/0 softirq=50607/50613
>>>> fqs=1
>>>> [  569.020000]  (detected by 0, t=6002 jiffies, g=5799, c=5798, q=573)
>>>> [  569.020000] Task dump for CPU 1:
>>>> [  569.020000] swapper/1       R running      0     0      1 0x00100000
>>>> [  569.020000] Stack : 00000000 00000001 00000015 00000000 00000000
>>>> 00000001 8045a2a4 80410000
>>>> [  569.020000]    8041275c 00000001 00000001 80412540 80412724
>>>> 80410000 00000000 800132e8
>>>> [  569.020000]    1100fc03 00000001 8fc60000 8fc61ec0 80410000
>>>> 8005c870 1100fc03 00000001
>>>> [  569.020000]    00000000 80410000 8045a2a4 8005c868 80410000
>>>> 8001ade0 1100fc03 00000000
>>>> [  569.020000]    00000004 804124a0 000000a0 8001ade8 fe9ff9db
>>>> aefffbff fff77fe7 dfffffef
>>>> [  569.020000]    ...
>>>> [  569.020000] Call Trace:
>>>> [  569.020000] [<8000bba8>] __schedule+0x574/0x758
>>>> [  569.020000] [<800132e8>] r4k_wait_irqoff+0x0/0x20
>>>> [  569.020000]
>>>> [  569.020000] rcu_sched kthread starved for 6001 jiffies! g5799 c5798
>>>> f0x0 s3 ->state=0x1
>>>> [  629.130000] INFO: rcu_sched detected stalls on CPUs/tasks:
>>>> [  629.130000]  1-...: (8 GPs behind) idle=756/0/0 softirq=50607/50613
>>>> fqs=1
>>>> [  629.130000]  (detected by 0, t=6002 jiffies, g=5801, c=5800, q=653)
>>>> [  629.130000] Task dump for CPU 1:
>>>> [  629.130000] swapper/1       R running      0     0      1 0x00100000
>>>> [  629.130000] Stack : 00000000 bfd47c67 00000094 ffffffff 00000081
>>>> 00000011 8045a2a4 80410000
>>>> [  629.130000]    8041275c 00000001 00000001 80412540 80412724
>>>> 80410000 000010d9 800132e8
>>>> [  629.130000]    1100fc03 00000001 8fc60000 8fc61ec0 80410000
>>>> 8005c870 1100fc03 00000001
>>>> [  629.130000]    00000000 80410000 8045a2a4 8005c868 80410000
>>>> 8001ade0 1100fc03 00000000
>>>> [  629.130000]    00000004 804124a0 000000a0 8001ade8 fe9ff9db
>>>> aefffbff fff77fe7 dfffffef
>>>> [  629.130000]    ...
>>>> [  629.130000] Call Trace:
>>>> [  629.130000] [<8000bba8>] __schedule+0x574/0x758
>>>> [  629.130000] [<800132e8>] r4k_wait_irqoff+0x0/0x20
>>>> [  629.130000]
>>>> [  629.130000] rcu_sched kthread starved for 6001 jiffies! g5801 c5800
>>>> f0x0 s3 ->state=0x1
>>>> [  692.940000] INFO: rcu_sched detected stalls on CPUs/tasks:
>>>> [  692.940000]  1-...: (0 ticks this GP) idle=4c2/0/0
>>>> softirq=50613/50613 fqs=0
>>>> [  692.940000]  2-...: (25 GPs behind) idle=55a/0/0 softirq=28459/28460
>>>> fqs=0
>>>> [  692.940000]  3-...: (25 GPs behind) idle=5c2/0/0 softirq=30711/30982
>>>> fqs=0
>>>> [  692.940000]  (detected by 0, t=6002 jiffies, g=5824, c=5823, q=3190)
>>>> [  692.940000] Task dump for CPU 1:
>>>> [  692.940000] swapper/1       R running      0     0      1 0x00100000
>>>> [  692.940000] Stack : 00000000 3646fb94 000000af ffffffff 0000008f
>>>> d2f1a9fc 8045a2a4 80410000
>>>> [  692.940000]    8041275c 00000001 00000001 80412540 80412724
>>>> 80410000 000010d9 800132e8
>>>> [  692.940000]    00000000 00000001 8fc60000 8fc61ec0 80410000
>>>> 8005c870 1100fc03 00000001
>>>> [  692.940000]    00000000 80410000 8045a2a4 8005c868 80410000
>>>> 8001ade0 1100fc03 00000000
>>>> [  692.940000]    00000004 804124a0 000000a0 8001ade8 fe9ff9db
>>>> aefffbff fff77fe7 dfffffef
>>>> [  692.940000]    ...
>>>> [  692.940000] Call Trace:
>>>> [  692.940000] [<8000bba8>] __schedule+0x574/0x758
>>>> [  692.940000] [<800132e8>] r4k_wait_irqoff+0x0/0x20
>>>> [  692.940000]
>>>> [  692.940000] Task dump for CPU 2:
>>>> [  692.940000] swapper/2       R running      0     0      1 0x00100000
>>>> [  692.940000] Stack : 00000000 00000001 00000010 00000000 00000000
>>>> 00010001 8045a2a4 80410000
>>>> [  692.940000]    8041275c 00000001 00000000 804125e0 80412724
>>>> 80410000 00000000 800132e8
>>>> [  692.940000]    1100fc03 00000002 8fc62000 8fc63ec0 80410000
>>>> 8005c870 1100fc03 00000002
>>>> [  692.940000]    00000000 80410000 8045a2a4 8005c868 80410000
>>>> 8001ade0 1100fc03 00000000
>>>> [  692.940000]    00000004 804124a0 000000a0 8001ade8 fbffbfdf
>>>> 7fff7b3b 7ffaeff8 67fbffff
>>>> [  692.940000]    ...
>>>> [  692.940000] Call Trace:
>>>> [  692.940000] [<8000bba8>] __schedule+0x574/0x758
>>>> [  692.940000] [<800132e8>] r4k_wait_irqoff+0x0/0x20
>>>> [  692.940000]
>>>> [  692.940000] Task dump for CPU 3:
>>>> [  692.940000] swapper/3       R running      0     0      1 0x00100000
>>>> [  692.940000] Stack : 00000000 a69c5765 000000a3 ffffffff 0000008f
>>>> 00000020 8045a2a4 80410000
>>>> [  692.940000]    8041275c 00000001 00000001 80412680 80412724
>>>> 80410000 000010d9 800132e8
>>>> [  692.940000]    1100fc03 00000003 8fc64000 8fc65ec0 80410000
>>>> 8005c870 1100fc03 00000003
>>>> [  692.940000]    00000000 80410000 8045a2a4 8005c868 80410000
>>>> 8001ade0 1100fc03 00000000
>>>> [  692.940000]    00000004 804124a0 000000a0 8001ade8 fefffbdb
>>>> aefffbfb fff77fe7 dfffffef
>>>> [  692.940000]    ...
>>>> [  692.940000] Call Trace:
>>>> [  692.940000] [<8000bba8>] __schedule+0x574/0x758
>>>> [  692.940000] [<800132e8>] r4k_wait_irqoff+0x0/0x20
>>>> [  692.940000]
>>>> [  692.940000] rcu_sched kthread starved for 6002 jiffies! g5824 c5823
>>>> f0x0 s3 ->state=0x1
>>>> root at lede:~# packet_write_wait: Connection to 192.168.20.1 port 22:
>>>> Broken
>>>> pipe
>>>>
>>>>
>>>>>> On 11/10/2016 9:06 PM, Outback Dingo wrote:
>>>>>>
>>>>>> On Fri, Nov 11, 2016 at 9:55 AM, Noah Causin <n0manletter at gmail.com>
>>>>>> wrote:
>>>>>>
>>>>>> I finally got my project working.
>>>>>>
>>>>>> I integrated the NDPI Deep Packet Inspection engine into my LEDE
>>>>>> build,
>>>>>> so I
>>>>>> could prioritize applications using Cake.
>>>>>>
>>>>>> http://www.ntop.org/products/deep-packet-inspection/ndpi/
>>>>>>
>>>>>> NDPI integrates into IPTables, which allows me to DSCP mark packets.
>>>>>> Cake
>>>>>> reads the DiffServ markings and puts the traffic into appropriate
>>>>>> classes.
>>>>>>
>>>>>> I found a Makefile which successfully compiles:
>>>>>>
>>>>>>
>>>>>> https://github.com/981213/lede_src/blob/0d344bc2958838dcbc547a8f0a3d8842e6f6d2f8/package/my_package/ndpi-netfilter/Makefile
>>>>>>
>>>>>> The system works very well.  Steam traffic is deprioritized to allow
>>>>>> applications like YouTube, Netflix, and Skype to receive higher
>>>>>> amounts
>>>>>> of
>>>>>> the available bandwidth.
>>>>>>
>>>>>> What I do for ingress is bridge two ports on an extra router, enable
>>>>>> bridge
>>>>>> firewalling, and create IPTables rules to mark downstream packets.
>>>>>> The
>>>>>> router I use is a D-Link DGL-5500, which is comparable to an Archer
>>>>>> C7.
>>>>>>
>>>>>> IPv6 support is not available in this netfilter module, but the IPv4
>>>>>> support
>>>>>> is great.
>>>>>>
>>>>>> Noah Causin
>>>>>>
>>>>>> very nice.... however, can you describe a bit better how you
>>>>>> configured for ingress ? a second router?  configuration file ? your
>>>>>> high level description seems a bit confusing to me
>>>>>>
>>>>>>
>>>>>> _______________________________________________
>>>>>> Cake mailing list
>>>>>> Cake at lists.bufferbloat.net
>>>>>> https://lists.bufferbloat.net/listinfo/cake
>>>>>>
>>>>>>
>

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