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# Date Author Comment
8917c3bd 02/22/2013 12:17 am Stefan Hajnoczi

slirp: switch to GPollFD

Slirp uses rfds/wfds/xfds more extensively than other QEMU components.

The rarely-used out-of-band TCP data feature is used. That means we
need the full table of select(2) to g_poll(3) events:

rfds -> G_IO_IN | G_IO_HUP | G_IO_ERR...
cb9c377f 12/19/2012 09:31 am Paolo Bonzini

janitor: add guards to headers

Signed-off-by: Paolo Bonzini <>
0b8db8fe 08/07/2012 03:31 am Anthony Liguori

slirp: fix build on mingw32

in_addr_t isn't available on mingw32. Just use an unsigned long instead. I
considered typedef'ing in_addr_t on mingw32 but this would potentially be
brittle if mingw32 did introduce the type.

Cc: Jan Kiszka <>...
648cd33e 08/04/2012 12:31 am Anders Waldenborg

slirp: Handle whole 127.0.0.0/8 network as local addresses.

Changes so translation of remote address to the host's ip address in
the virtual network happens for all addresses in the 127.0.0.0/8
network, not just 127.0.0.1.

This fixes so that hostfwd bound to addresses such as 127.0.0.2 works....
1ab74cea 08/03/2011 01:57 pm Fabien Chouteau

Delayed IP packets

In the current implementation, if Slirp tries to send an IP packet to a client
with an unknown hardware address, the packet is simply dropped and an ARP
request is sent (if_encap in slirp/slirp.c).

With this patch, Slirp will send the ARP request, re-queue the packet and try...
b6dce92e 07/25/2010 05:59 pm Stefan Weil

slirp: Replace u_int8_t, u_int16_t, u_int32_t, u_int64_t by standard int types

There is no need to have a second set of integral types.
Replace them by the standard types from stdint.h.

Signed-off-by: Stefan Weil <>
Signed-off-by: Aurelien Jarno <>
ce0bd027 08/28/2009 04:46 am Ed Swierk

slirp: Remove our_addr code

Three problems with our_addr:

- It's determined only once when qemu starts, but the address can change
(just like the DNS configuration can).

- It's supposed to be the IP address of a host network interface, but
there's no guarantee that gethostbyname(gethostname()) actually does...
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...
8ec7f4ed 06/29/2009 04:52 pm Jan Kiszka

slirp: Clean up updtime

Drop redundant typecasts in both variants and remove the pointless
round-up in the UNIX version.

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...
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....
a13a4126 06/29/2009 04:52 pm Jan Kiszka

slirp: Rework internal configuration

The user mode IP stack is currently only minimally configurable /wrt to
its virtual IP addresses. This is unfortunate if some guest has a fixed
idea of which IP addresses to use.

Therefore this patch prepares the stack for fully configurable IP...
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....
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/...
0580ac91 01/12/2009 07:51 pm blueswir1

Fix some SLIRP warnings

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@6272 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
9634d903 10/26/2007 10:01 pm blueswir1

Use const and static as needed, disable unused code

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@3452 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
8dbca8dd 05/03/2006 10:58 pm bellard

separate alias_addr (10.0.2.2) from our_addr (Ed Swierk)

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@1895 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