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# Date Author Comment
df7a86ed 08/28/2009 04:46 am Ed Swierk

slirp: Read host DNS config on demand

Currently the qemu user-mode networking stack reads the host DNS
configuration (/etc/resolv.conf or the Windows equivalent) only once
when qemu starts. This causes name lookups in the guest to fail if the
host is moved to a different network from which the original DNS servers...
bb53fc53 07/27/2009 10:08 pm Jan Kiszka

slirp: Fix guestfwd for incoming data

Unless a virtual server address was explicitly defined (which is
impossible with the legacy net channel format), guestfwd did not
properly forwarded host>guest packets. This patch fixes it.

Signed-off-by: Jan Kiszka <>...
d918f23e 06/29/2009 04:52 pm Jan Kiszka

slirp: Kill slirp_is_inited

Avoid the need for slirp_is_inited by refactoring the protected
slirp_select_* functions. This also avoids the clearing of all fd sets
on select errors.

Signed-off-by: Jan Kiszka <>
Signed-off-by: Anthony Liguori <>
460fec67 06/29/2009 04:52 pm Jan Kiszka

slirp: Factor out internal state structure

The essence of this patch is to stuff (almost) all global variables of
the slirp stack into the structure Slirp. In this step, we still keep
the structure as global variable, directly accessible by the whole
stack. Changes to the external interface of slirp will be applied in...
9f8bd042 06/29/2009 04:52 pm Jan Kiszka

slirp: Use internal state in interface

This now also exports the internal state to the slirp users in qemu,
returning it from slirp_init and expecting it along with service
invocations. Additionally provide an opaque value interface for the
callbacks from slirp into the qemu core....
ad0d8c4c 06/29/2009 04:52 pm Jan Kiszka

slirp: Allocate/free stack instance dynamically

Allocate the internal slirp state dynamically and provide and call
slirp_cleanup to properly release it after use. This patch finally
unbreaks slirp release and re-instantiation via host_net_* monitor
commands....
6dbe553f 06/29/2009 04:52 pm Jan Kiszka

slirp: Add info usernet for dumping connection states

Break out sockstats from the slirp statistics and present them under the
new info category "usernet". This patch also improves the current output
/wrt proper reporting connection source and destination....
0d62c4cf 06/29/2009 04:52 pm Jan Kiszka

slirp: Drop dead code

After all its years inside the qemu tree, there is no point in keeping
the dead code paths of slirp. This patch is a first round of removing
usually commented out code parts. More cleanups need to follow (and
maybe finally a proper reindention)....
0fe6a7f2 06/29/2009 04:52 pm Jan Kiszka

slirp: Drop statistic code

As agreed on the mailing list, there is no interest in keeping the
usually disabled slirp statistics in the tree. So this patch removes
them.

Signed-off-by: Jan Kiszka <>
Signed-off-by: Anthony Liguori <>
c92ef6a2 06/29/2009 04:52 pm Jan Kiszka

slirp: Rework external configuration interface

With the internal IP configuration made more flexible, we can now
enhance the user interface. This patch adds a number of new options to
"-net user": net (address and mask), host, dhcpstart, dns and smbserver....
3c6a0580 06/29/2009 04:52 pm Jan Kiszka

slirp: Bind support for host forwarding rules

Extend the hostfwd rule format so that the user can specify on which
host interface qemu should listen for incoming connections. If omitted,
binding will takes place against all interfaces.

Signed-off-by: Jan Kiszka <>...
e15f4a99 06/29/2009 04:52 pm Jan Kiszka

Revert "User networking: Show active connections"

This reverts commit 1c6ed9f3379faac83da0ed3e95cbd49003ac0dd1.

It's redundant to slirp statistics, which are going to be split up /
reworked later on.

Conflicts:

monitor.c
    net.c

Signed-off-by: Jan Kiszka <>...
ad196a9d 06/29/2009 04:52 pm Jan Kiszka

slirp: Move smb, redir, tftp and bootp parameters and -net channel

So far a couple of slirp-related parameters were expressed via
stand-alone command line options. This it inconsistent and unintuitive.
Moreover, it prevents both dynamically reconfigured (host_net_add/...
b8e8af38 06/09/2009 01:38 pm Jan Kiszka

slirp: Reorder initialization

This patch reorders the initialization of slirp itself as well as its
associated features smb and redirection. So far the first reference to
slirp triggered the initialization, independent of the actual -net user
option which may carry additional parameters. Now we save any request to...
1c6ed9f3 05/28/2009 10:14 am Alexander Graf

User networking: Show active connections

In case you're wondering what connections exactly you have open
or maybe redir'ed in the past, you can't really find out from qemu
right now.

This patch enables you to see all current connections the host
only networking holds open, so you can kill them using the previous...
c1261d8d 05/27/2009 05:46 pm Alexander Graf

User Networking: Enable removal of redirections

Using the new host_net_redir command you can easily create redirections
on the fly while your VM is running.

While that's great, it's missing the removal of redirections, in case you
want to have a port closed again at a later point in time....
aa806132 04/18/2009 10:29 am blueswir1

Move bootp_filename to avoid a sparse warning

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@7174 c046a42c-6fe2-441c-8c8c-71466251a162
511d2b14 03/07/2009 05:32 pm blueswir1

Sparse fixes: NULL use, header order, ANSI prototypes, static

Fix Sparse warnings: * use NULL instead of plain 0 * rearrange header include order to avoid redefining types accidentally * ANSIfy SLIRP * avoid "restrict" keyword * add static

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@6736 c046a42c-6fe2-441c-8c8c-71466251a162
a9ba3a85 01/08/2009 09:24 pm aliguori

Add slirp_restrict option (Gleb Natapov)

Add "slirp firewall" to permit connection only to vmchannel addresses.

Signed-off-by: Gleb Natapov <>
Signed-off-by: Anthony Liguori <>

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@6241 c046a42c-6fe2-441c-8c8c-71466251a162
e1c5a2b3 01/08/2009 09:18 pm aliguori

Redirect slirp traffic to/from qemu character device (Gleb Natapov)

Signed-off-by: Gleb Natapov <>
Signed-off-by: Anthony Liguori <>

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@6240 c046a42c-6fe2-441c-8c8c-71466251a162
31a60e22 10/26/2007 09:42 pm blueswir1

Make Slirp statistics gathering and output conditional to LOG_ENABLED
Add 'info slirp' command to monitor to display statistics
Disable Slirp debugging code by default

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@3451 c046a42c-6fe2-441c-8c8c-71466251a162
5fafdf24 09/17/2007 12:08 am ths

find -type f | xargs sed -i 's/[\t ]$//g' # on most files

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@3173 c046a42c-6fe2-441c-8c8c-71466251a162
cb4b976b 09/13/2007 03:39 pm ths

Move network related includes to vl.c to help SLIRP-less builds.

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@3167 c046a42c-6fe2-441c-8c8c-71466251a162
3f423c9c 05/01/2006 12:34 am bellard

removed warnings

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@1871 c046a42c-6fe2-441c-8c8c-71466251a162
115defd1 04/16/2006 02:06 pm pbrook

Set slirp client hostname.

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@1813 c046a42c-6fe2-441c-8c8c-71466251a162
101c5935 06/05/2005 08:11 pm bellard

64 bit fixes (initial patch by Gwenole Beauchesne)

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@1458 c046a42c-6fe2-441c-8c8c-71466251a162
a3d4af03 09/06/2004 02:10 am bellard

allow inetd like program exec

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@1060 c046a42c-6fe2-441c-8c8c-71466251a162
9bf05444 08/26/2004 01:12 am bellard

port redirection support

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@1054 c046a42c-6fe2-441c-8c8c-71466251a162
379ff53d 07/13/2004 01:33 am bellard

win32 compile

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@1016 c046a42c-6fe2-441c-8c8c-71466251a162
f0cbd3ec 04/22/2004 03:10 am bellard

initial user mode network support

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@733 c046a42c-6fe2-441c-8c8c-71466251a162