RE: [PATCH V6 0/6] Passthrough specific network traffic in COLO

["Zhang, Chen" <chen.zhang@intel.com>]

Hi Markus, Jason and Dave.

This series has been modified according to previous suggestions. 
Please review it again to make sure I fully understand comments.

Thanks
Chen

> -----Original Message-----
> From: Qemu-devel <qemu-devel-
> bounces+chen.zhang=intel.com@nongnu.org> On Behalf Of Zhang, Chen
> Sent: Wednesday, April 28, 2021 11:27 AM
> To: Jason Wang <jasowang@redhat.com>; qemu-dev <qemu-
> devel@nongnu.org>; Eric Blake <eblake@redhat.com>; Dr. David Alan
> Gilbert <dgilbert@redhat.com>; Markus Armbruster <armbru@redhat.com>;
> Daniel P. Berrangé <berrange@redhat.com>; Gerd Hoffmann
> <kraxel@redhat.com>; Li Zhijian <lizhijian@cn.fujitsu.com>
> Cc: Lukas Straub <lukasstraub2@web.de>; Zhang Chen
> <zhangckid@gmail.com>
> Subject: RE: [PATCH V6 0/6] Passthrough specific network traffic in COLO
> 
> Please give me for comments for this series, Ping....
> 
> Thanks
> Chen
> 
> > -----Original Message-----
> > From: Zhang, Chen <chen.zhang@intel.com>
> > Sent: Tuesday, April 20, 2021 11:16 PM
> > To: Jason Wang <jasowang@redhat.com>; qemu-dev <qemu-
> > devel@nongnu.org>; Eric Blake <eblake@redhat.com>; Dr. David Alan
> > Gilbert <dgilbert@redhat.com>; Markus Armbruster
> <armbru@redhat.com>;
> > Daniel P. Berrangé <berrange@redhat.com>; Gerd Hoffmann
> > <kraxel@redhat.com>; Li Zhijian <lizhijian@cn.fujitsu.com>
> > Cc: Zhang Chen <zhangckid@gmail.com>; Zhang, Chen
> > <chen.zhang@intel.com>; Lukas Straub <lukasstraub2@web.de>
> > Subject: [PATCH V6 0/6] Passthrough specific network traffic in COLO
> >
> > Due to some real user scenarios don't need to monitor all traffic.
> > And qemu net-filter also need function to more detailed flow control.
> > This series give user ability to passthrough kinds of COLO network stream.
> >
> > For example, windows guest user want to enable windows remote
> desktop
> > to touch guest(UDP/TCP 3389), This case use UDP and TCP mixed, and the
> > tcp part payload always different caused by real desktop display
> > data(for guest time/ mouse display....).
> >
> > Another case is some real user application will actively transmit
> > information include guest time part, primary guest send data with time
> > 10:01.000, At the same time secondary guest send data with time
> > 10:01.001, it will always trigger COLO checkpoint(live migrate) to drop guest
> performance.
> >
> >   V6:
> >     - Change QAPI IPFlowSpec protocol from enum to str.
> >     - Use getprotobyname to handle the protocols.
> >     - Optimize code in net.
> >
> >   V5:
> >     - Squash original 1-3 QAPI patches together.
> >     - Rename some data structures to avoid misunderstanding.
> >     - Reuse InetSocketAddressBase in IPFlowSpec.
> >     - Add new function in util/qemu-sockets.c to parse
> >       InetSocketAddressBase.
> >     - Update HMP command define to reuse current code.
> >     - Add more comments.
> >
> >   V4:
> >     - Fix QAPI code conflict for V6.0 merged patches.
> >     - Note this feature for V6.1.
> >
> >   V3:
> >     - Add COLO passthrough list lock.
> >     - Add usage demo and more comments.
> >
> >   V2:
> >     - Add the n-tuple support.
> >     - Add some qapi definitions.
> >     - Support multi colo-compare objects.
> >     - Support setup each rules for each objects individually.
> >     - Clean up COLO compare definition to .h file.
> >     - Rebase HMP command for stable tree.
> >     - Add redundant rules check.
> >
> >
> > Zhang Chen (6):
> >   qapi/net: Add IPFlowSpec and QMP command for COLO passthrough
> >   util/qemu-sockets.c: Add inet_parse_base to handle
> >     InetSocketAddressBase
> >   hmp-commands: Add new HMP command for COLO passthrough
> >   net/colo-compare: Move data structure and define to .h file.
> >   net/colo-compare: Add passthrough list to CompareState
> >   net/net.c: Add handler for COLO passthrough connection
> >
> >  hmp-commands.hx        |  26 +++++++
> >  include/monitor/hmp.h  |   2 +
> >  include/qemu/sockets.h |   1 +
> >  monitor/hmp-cmds.c     |  82 ++++++++++++++++++++
> >  net/colo-compare.c     | 162 +++++++++++-----------------------------
> >  net/colo-compare.h     | 118 +++++++++++++++++++++++++++++
> >  net/net.c              | 166
> +++++++++++++++++++++++++++++++++++++++++
> >  qapi/net.json          |  68 +++++++++++++++++
> >  util/qemu-sockets.c    |  14 ++++
> >  9 files changed, 519 insertions(+), 120 deletions(-)
> >
> > --
> > 2.25.1
>