[Qemu-devel] [PATCH V4 0/2] Introduce filter-redirector

[Zhang Chen <zhangchen.fnst@cn.fujitsu.com>]

Filter-redirector is a netfilter plugin.
It gives qemu the ability to redirect net packet.
redirector can redirect filter's net packet to outdev.
and redirect indev's packet to filter.

                      filter
                        +
                        |
                        |
            redirector  |
               +--------------+
               |        |     |
               |        |     |
               |        |     |
  indev +-----------+   +---------->  outdev
               |    |         |
               |    |         |
               |    |         |
               +--------------+
                    |
                    |
                    v
                  filter


v4:
 Address Jason's comments.
 - remove redirector's incoming queue
 - just pass packet come from in_dev to filter's next
 - rework redirector_chr_read, most code is stolen from net_socket_send  
 - fix comments error
 - add some comments 

v3:
 -Address Jason's comments.

v2:
 - Address Jason's comments.
 - Add filter-traffic.h to reuse parts of the codes
 - Add unit test case

v1:
 initial patch.


Zhang Chen (2):
  net/filter-mirror: implement filter-redirector
  tests/test-filter-redirector: Add unit test for filter-redirector

 net/filter-mirror.c            | 236 +++++++++++++++++++++++++++++++++++++++++
 qemu-options.hx                |   9 ++
 tests/.gitignore               |   1 +
 tests/Makefile                 |   2 +
 tests/test-filter-redirector.c | 221 ++++++++++++++++++++++++++++++++++++++
 vl.c                           |   3 +-
 6 files changed, 471 insertions(+), 1 deletion(-)
 create mode 100644 tests/test-filter-redirector.c

-- 
1.9.1