netdev - Re: [patch net-next 00/15] introduce programable flow dissector and cls

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Message-ID: <CALx6S345t5sbst3nMfg8x9YXg6eiT31iwjmdwuLB16mwseJsHQ@mail.gmail.com>
Date:	Sat, 9 May 2015 14:29:49 -0700
From:	Tom Herbert <tom@...bertland.com>
To:	Jiri Pirko <jiri@...nulli.us>
Cc:	Linux Kernel Network Developers <netdev@...r.kernel.org>,
	"David S. Miller" <davem@...emloft.net>,
	Jamal Hadi Salim <jhs@...atatu.com>,
	Thomas Graf <tgraf@...g.ch>, jesse@...ira.com,
	Patrick McHardy <kaber@...sh.net>,
	Tom Herbert <therbert@...gle.com>,
	Eric Dumazet <edumazet@...gle.com>,
	alexander.h.duyck@...hat.com,
	Hannes Frederic Sowa <hannes@...essinduktion.org>,
	Alexei Starovoitov <ast@...mgrid.com>, daniel@...earbox.net,
	Herbert Xu <herbert@...dor.apana.org.au>,
	cwang@...pensource.com, john fastabend <john.fastabend@...il.com>
Subject: Re: [patch net-next 00/15] introduce programable flow dissector and cls_flower

On Sat, May 9, 2015 at 6:10 AM, Jiri Pirko <jiri@...nulli.us> wrote:
> Per Davem's request, I prepared this patchset which introduces programmable
> flow dissector. For current users of flow_keys, there is a wrapper
> skb_flow_dissect_flow_keys which maintains the previous behaviour.
> For purposes of cls_flower, couple of new dissection keys were introduced.
>
Jiri,

Did you see my comments on the previous version and my patchset that
includes full IPv6 addresses in flow keys and hashes over them?

Tom

> Note that this dissector can be also eventually used by openvswitch code.
>
> Also, as a next step, I plan to get rid of *skb_flow_get_ports(export)
> and *__skb_get_poff as their functionality can be now implemented by
> skb_flow_dissect as well.
>
> rfc->v1:
> - only rebase
>
> Jiri Pirko (15):
>   net: change name of flow_dissector header to match the .c file name
>   flow_dissector: remove unused function flow_get_hlen declaration
>   net: move *skb_get_poff declarations into correct header
>   flow_dissector: fix doc for __skb_get_hash and remove couple of empty
>     lines
>   net: move __skb_get_hash function declaration to flow_dissector.h
>   net: move __skb_tx_hash to skbuff.c
>   net: move netdev_pick_tx and dependencies to net/core/dev.c
>   flow_dissector: fix doc for skb_get_poff
>   flow_dissector: introduce programable flow_dissector
>   flow_dissect: use programable dissector in skb_flow_dissect and
>     friends
>   flow_dissector: add missing header includes
>   flow_dissector: introduce support for ipv6 addressses
>   flow_dissector: introduce support for Ethernet addresses
>   flow_dissector: change port array into src,dst tuple
>   tc: introduce Flower classifier
>
>  drivers/net/bonding/bond_main.c                |  20 +-
>  drivers/net/ethernet/cisco/enic/enic_clsf.c    |  29 +-
>  drivers/net/ethernet/cisco/enic/enic_ethtool.c |  10 +-
>  drivers/net/hyperv/netvsc_drv.c                |   8 +-
>  include/linux/skbuff.h                         |  11 +-
>  include/net/flow_dissector.h                   | 167 ++++++
>  include/net/flow_keys.h                        |  61 ---
>  include/net/ip.h                               |  10 +-
>  include/net/ipv6.h                             |  10 +-
>  include/uapi/linux/pkt_cls.h                   |  31 ++
>  net/core/dev.c                                 |  78 +++
>  net/core/filter.c                              |   1 +
>  net/core/flow_dissector.c                      | 380 ++++++++------
>  net/core/skbuff.c                              |  28 +
>  net/ethernet/eth.c                             |   7 +-
>  net/sched/Kconfig                              |  10 +
>  net/sched/Makefile                             |   1 +
>  net/sched/cls_flow.c                           |  22 +-
>  net/sched/cls_flower.c                         | 688 +++++++++++++++++++++++++
>  net/sched/sch_choke.c                          |   6 +-
>  20 files changed, 1283 insertions(+), 295 deletions(-)
>  create mode 100644 include/net/flow_dissector.h
>  delete mode 100644 include/net/flow_keys.h
>  create mode 100644 net/sched/cls_flower.c
>
> --
> 1.9.3
>
> --
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