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Re: [Qemu-devel] [PATCH v11 00/12] Add a netfilter object and netbuffer
From: |
Jason Wang |
Subject: |
Re: [Qemu-devel] [PATCH v11 00/12] Add a netfilter object and netbuffer filter |
Date: |
Thu, 24 Sep 2015 12:22:53 +0800 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:38.0) Gecko/20100101 Thunderbird/38.2.0 |
On 09/16/2015 08:15 PM, Yang Hongyang wrote:
> This patch add an netfilter abstract object, captures all network packets
> on associated netdev. Also implement a concrete filter buffer based on
> this abstract object. the "buffer" netfilter could be used by VM FT solutions
> like MicroCheckpointing, to buffer/release packets. Or to simulate
> packet delay.
>
> You can also get the series from:
> https://github.com/macrosheep/qemu/tree/netfilter-v11
>
> Usage:
> -netdev tap,id=bn0
> -device e1000,netdev=bn0
> -object filter-buffer,id=f0,netdev=bn0,chain=in,interval=1000
>
> dynamically add/remove netfilters:
> object_add filter-buffer,id=f0,netdev=bn0,chain=in,interval=1000
> object_del f0
>
> NOTE:
> interval's scale is microsecond.
> chain is optional, and is one of in|out|all, default is "all".
> "in" means this filter will receive packets sent to the @netdev
> "out" means this filter will receive packets sent from the @netdev
> "all" means this filter will receive packets both sent to/from
> the @netdev
>
> v11:
> - address Jason&Daniel's comments
> - add multiqueue support, the last 2 patches
> - rebased to the latest master
>
> v10:
> - Reimplemented using QOM (suggested by stefan)
> - Do not export NetQueue internals (suggested by stefan)
> - see individual patch for detail
>
> v9:
> - squash command description and help to patch 1&3
> - qapi changes according to Markus&Eric's comments
> - see individual patch for detail
>
> v8:
> - some minor fixes according to Thomas's comments
> - rebased to the latest master branch
>
> v7:
> - print filter info when execute 'info network'
> - addressed Jason's comments
>
> v6:
> - add multiqueue support, please see individual patch for detail
>
> v5:
> - add a sent_cb param to filter receive_iov api
> - squash the 4th patch into patch 3
> - remove dummy sent_cb (buffer filter)
> - addressed Jason's other comments, see individual patches for detail
>
> v4:
> - get rid of struct Filter
> - squash the 4th patch into patch 2
> - fix qemu_netfilter_pass_to_next_iov
> - get rid of bh (buffer filter)
> - release the packet to next filter instead of to receiver (buffer filter)
>
> v3:
> - add an api to pass the packet to next filter
> - remove netfilters when delete netdev
> - add qtest testcases for netfilter
> - addressed comments from Jason
>
> v2:
> - add a chain option to netfilter object
> - move the hook place earlier, before net_queue_send
> - drop the unused api in buffer filter
> - squash buffer filter patches into one
> - remove receive() api from netfilter, only receive_iov() is enough
> - addressed comments from Jason&Thomas
>
> v1:
> initial patch.
>
> Yang Hongyang (12):
> qmp: delete qemu opts when delete an object
> init/cleanup of netfilter object
> netfilter: hook packets before net queue send
> net: merge qemu_deliver_packet and qemu_deliver_packet_iov
> net/queue: introduce NetQueueDeliverFunc
> netfilter: add an API to pass the packet to next filter
> netfilter: print filter info associate with the netdev
> net/queue: export qemu_net_queue_append_iov
> netfilter: add a netbuffer filter
> tests: add test cases for netfilter object
> netfilter/multiqueue: introduce netfilter name
> netfilter: add multiqueue support
>
> include/net/filter.h | 76 ++++++++++++
> include/net/net.h | 6 +-
> include/net/queue.h | 20 +++-
> include/qemu/typedefs.h | 1 +
> net/Makefile.objs | 2 +
> net/filter-buffer.c | 170 +++++++++++++++++++++++++++
> net/filter.c | 306
> ++++++++++++++++++++++++++++++++++++++++++++++++
> net/net.c | 108 +++++++++++++----
> net/queue.c | 24 ++--
> qapi-schema.json | 18 +++
> qemu-options.hx | 18 +++
> qmp.c | 4 +
> tests/.gitignore | 1 +
> tests/Makefile | 2 +
> tests/test-netfilter.c | 200 +++++++++++++++++++++++++++++++
> vl.c | 18 ++-
> 16 files changed, 927 insertions(+), 47 deletions(-)
> create mode 100644 include/net/filter.h
> create mode 100644 net/filter-buffer.c
> create mode 100644 net/filter.c
> create mode 100644 tests/test-netfilter.c
>
Apply patch 1 to patch 10 (with tweak on patch 4 for single iov).
https://github.com/jasowang/qemu/commits/net
Thanks a lot.
- Re: [Qemu-devel] [PATCH v11 12/12] netfilter: add multiqueue support, (continued)
- Re: [Qemu-devel] [PATCH v11 12/12] netfilter: add multiqueue support, Jason Wang, 2015/09/22
- Re: [Qemu-devel] [PATCH v11 12/12] netfilter: add multiqueue support, Yang Hongyang, 2015/09/22
- Re: [Qemu-devel] [PATCH v11 12/12] netfilter: add multiqueue support, Jason Wang, 2015/09/22
- Re: [Qemu-devel] [PATCH v11 12/12] netfilter: add multiqueue support, Yang Hongyang, 2015/09/22
- Re: [Qemu-devel] [PATCH v11 12/12] netfilter: add multiqueue support, Jason Wang, 2015/09/22
- Re: [Qemu-devel] [PATCH v11 12/12] netfilter: add multiqueue support, Yang Hongyang, 2015/09/22
[Qemu-devel] [PATCH v11 09/12] netfilter: add a netbuffer filter, Yang Hongyang, 2015/09/16
[Qemu-devel] [PATCH v11 11/12] netfilter/multiqueue: introduce netfilter name, Yang Hongyang, 2015/09/16
Re: [Qemu-devel] [PATCH v11 00/12] Add a netfilter object and netbuffer filter, Jason Wang, 2015/09/22
Re: [Qemu-devel] [PATCH v11 00/12] Add a netfilter object and netbuffer filter,
Jason Wang <=