iptables branch, iptables-next, updated. v1.4.8-12-g9d1b111

[Patrick McHardy]

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- Log -----------------------------------------------------------------
commit 9d1b11102b53103c00b7fddf4658a4d2bdee1338
Author: Michael S. Tsirkin <mst at redhat.com>
Date:   Thu Jul 15 17:23:24 2010 +0200

    extensions: libxt_CHECKSUM extension
    
    This adds a `CHECKSUM' target, which can be used in the iptables mangle
    table.
    
    You can use this target to compute and fill in the checksum in
    a packet that lacks a checksum.  This is particularly useful,
    if you need to work around old applications such as dhcp clients,
    that do not work well with checksum offloads, but don't want to disable
    checksum offload in your device.
    
    The problem happens in the field with virtualized applications.
    For reference, see Red Hat bz 605555, as well as
    http://www.spinics.net/lists/kvm/msg37660.html
    
    Typical expected use (helps old dhclient binary running in a VM):
    iptables -A POSTROUTING -t mangle -p udp --dport bootpc \
    -j CHECKSUM --checksum-fill
    
    Includes fixes by Jan Engelhardt <jengelh at medozas.de>
    Signed-off-by: Michael S. Tsirkin <mst at redhat.com>
    Signed-off-by: Patrick McHardy <kaber at trash.net>

-----------------------------------------------------------------------

Summary of changes:
 extensions/libxt_CHECKSUM.c   |   96 +++++++++++++++++++++++++++++++++++++++++
 extensions/libxt_CHECKSUM.man |    8 +++
 2 files changed, 104 insertions(+), 0 deletions(-)
 create mode 100644 extensions/libxt_CHECKSUM.c
 create mode 100644 extensions/libxt_CHECKSUM.man


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