This bug was nominated against a series that is no longer supported, ie
vivid. The bug task representing the vivid nomination is being closed
as Won't Fix.
This change has been made by an automated script, maintained by the
Ubuntu Kernel Team.
** Changed in: linux (Ubuntu Vivid)
Status: Incomplete => Won't Fix
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https://bugs.launchpad.net/bugs/1477466
Title:
Low performance when using vlan over VxLan
Status in linux package in Ubuntu:
Incomplete
Status in linux source package in Vivid:
Won't Fix
Bug description:
We see a performance issue when running traffic over vlan interface
that created over VxLAN interface.
We reach 24 Gbps over the VxLan interface while we reach only 4 Gbps
over the VLAN interface. Turned out that GRO isn't supported for VLAN
over VxLAN.
The following upstream commits fix this issue.
commit 66e5133f19e901a044fa5eaeeb6ecff4545839e5
Author: Toshiaki Makita <makita.toshi...@lab.ntt.co.jp>
Date: Mon Jun 1 21:55:06 2015 +0900
vlan: Add GRO support for non hardware accelerated vlan
Currently packets with non-hardware-accelerated vlan cannot be handled
by GRO. This causes low performance for 802.1ad and stacked vlan, as their
vlan tags are currently not stripped by hardware.
This patch adds GRO support for non-hardware-accelerated vlan and
improves receive performance of them.
commit 9b174d88c257150562b0101fcc6cb6c3cb74275c
Author: Jesse Gross <je...@nicira.com>
Date: Tue Dec 30 19:10:15 2014 -0800
net: Add Transparent Ethernet Bridging GRO support.
Currently the only tunnel protocol that supports GRO with encapsulated
Ethernet is VXLAN. This pulls out the Ethernet code into a proper layer
so that it can be used by other tunnel protocols such as GRE and Geneve.
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