[LEDE-DEV] Cake SQM killing my DIR-860L - was: [17.01] Kernel: bump to 4.4.51

[Sebastian Moeller]

> On Mar 1, 2017, at 10:59, Sebastian Moeller <moeller0 at gmx.de> wrote:
> 
> Hi Stijn,
> 
> 
>> On Mar 1, 2017, at 10:46, Stijn Segers <francesco.borromini at inventati.org> wrote:
>> 
>> Hi Baptiste,
>> 
>> Thanks for your input. I found this thread [1] however which suggests offloading capabilities:
>> 
>> "The GSW is found in all of the 1000mbit SoCs. it has 5 external ports,
>> 1-2 cpu ports and 1 further port that the internal HW offloading engine
>> connects to. The switch core used is a MT7530, which also exists as a
>> standalone chip. [...]"
>> 
>> Johh, is there a way to disable offloading on MT7530?
> 
> If you run “ethtool -k $IFACE” ethtool should show you which offloads the device supports and which can be toggled. Here is an example from a wndr3700v2 (eth1 being the dedicated WAN interface not connected to a switch)
> 
> root at router:~# ethtool -k eth1
> Features for eth1:
> rx-checksumming: off [fixed]
> tx-checksumming: off
> 	tx-checksum-ipv4: off [fixed]
> 	tx-checksum-ip-generic: off [fixed]
> 	tx-checksum-ipv6: off [fixed]
> 	tx-checksum-fcoe-crc: off [fixed]
> 	tx-checksum-sctp: off [fixed]
> scatter-gather: off
> 	tx-scatter-gather: off [fixed]
> 	tx-scatter-gather-fraglist: off [fixed]
> tcp-segmentation-offload: off
> 	tx-tcp-segmentation: off [fixed]
> 	tx-tcp-ecn-segmentation: off [fixed]
> 	tx-tcp6-segmentation: off [fixed]
> udp-fragmentation-offload: off [fixed]
> generic-segmentation-offload: off [requested on]
> generic-receive-offload: on
> large-receive-offload: off [fixed]
> rx-vlan-offload: off [fixed]
> tx-vlan-offload: off [fixed]
> ntuple-filters: off [fixed]
> receive-hashing: off [fixed]
> highdma: off [fixed]
> rx-vlan-filter: off [fixed]
> vlan-challenged: off [fixed]
> tx-lockless: off [fixed]
> netns-local: off [fixed]
> tx-gso-robust: off [fixed]
> tx-fcoe-segmentation: off [fixed]
> tx-gre-segmentation: off [fixed]
> tx-ipip-segmentation: off [fixed]
> tx-sit-segmentation: off [fixed]
> tx-udp_tnl-segmentation: off [fixed]
> fcoe-mtu: off [fixed]
> tx-nocache-copy: off
> loopback: off [fixed]
> rx-fcs: off [fixed]
> rx-all: off [fixed]
> tx-vlan-stag-hw-insert: off [fixed]
> rx-vlan-stag-hw-parse: off [fixed]
> rx-vlan-stag-filter: off [fixed]
> l2-fwd-offload: off [fixed]
> busy-poll: off [fixed]
> 


What I forgot to mention, if ethtool -k does not show anything ethtool -K should also fail...

> Best Regards
> 	Sebastian
> 
> 
>> 
>> Thanks!
>> 
>> Stijn
>> 
>> [1] https://lkml.org/lkml/2016/2/26/527
>> 
>> _______________________________________________
>> Lede-dev mailing list
>> Lede-dev at lists.infradead.org
>> http://lists.infradead.org/mailman/listinfo/lede-dev
>