Statistics
| Branch: | Revision:

root / net @ 834574ea

Name Size
Makefile.objs 457 Bytes
checksum.c 2.2 kB
clients.h 2.1 kB
dump.c 4.7 kB
hub.c 7.8 kB
hub.h 607 Bytes
net.c 29.9 kB
queue.c 7.3 kB
slirp.c 21.9 kB
socket.c 21 kB
tap-aix.c 1.9 kB
tap-bsd.c 4 kB
tap-haiku.c 1.9 kB
tap-linux.c 7.4 kB
tap-linux.h 1.7 kB
tap-solaris.c 6.4 kB
tap-win32.c 21.5 kB
tap.c 22.7 kB
tap_int.h 1.9 kB
util.c 1.9 kB
util.h 1.3 kB
vde.c 3.5 kB

Latest revisions

# Date Author Comment
cc2a9043 02/13/2013 07:57 pm Andreas Färber

net: Avoid NULL function pointer dereference on cleanup

The pSeries machine and some other devices don't supply a cleanup
callback. Revert part of 1ceef9f27359cbe92ef124bf74de6f792e71f6fb that
started calling it unconditionally.

Cc: Jason Wang <>...
b8904921 02/07/2013 09:13 pm Michael Roth

net: fix infinite loop on exit

1ceef9f27359cbe92ef124bf74de6f792e71f6fb added handling for cleaning
up multiple queues in qemu_del_nic() for cases where multiqueue is in
use. To determine the number of queues it looks at nic->conf->queues,
then iterates through all the queues to cleanup the associated...
02cd8090 02/02/2013 02:05 am Anthony Liguori

tap: unbreak -netdev tap,fd=X

The multiqueue patch series broke -netdev tap,fd=X which manifests
as libvirt not being able to start a guest. This was because it
passed NULL for the netdev name which results in an anonymous netdev
device regardless of what the user specified....
16dbaf90 02/01/2013 07:03 pm Jason Wang

tap: support enabling or disabling a queue

This patch introduce a new bit - enabled in TAPState which tracks whether a
specific queue/fd is enabled. The tap/fd is enabled during initialization and
could be enabled/disabled by tap_enalbe() and tap_disable() which calls platform...
e5dc0b40 02/01/2013 07:03 pm Jason Wang

tap: introduce a helper to get the name of an interface

This patch introduces a helper tap_get_ifname() to get the device name of tap
device. This is needed when ifname is unspecified in the command line and qemu
were asked to create tap device by itself. In this situation, the name were...
264986e2 02/01/2013 07:03 pm Jason Wang

tap: multiqueue support

Recently, linux support multiqueue tap which could let userspace call TUNSETIFF
for a signle device many times to create multiple file descriptors as
independent queues. User could also enable/disabe a specific queue through
TUNSETQUEUE....
1ceef9f2 02/01/2013 07:03 pm Jason Wang

net: multiqueue support

This patch adds basic multiqueue support for qemu. The idea is simple, an array
of NetClientStates were introduced in NICState, parse_netdev() were extended to
find and match all NetClientStates belongs to the backend and place their...
4e4f9ae7 02/01/2013 07:03 pm Jason Wang

tap: import linux multiqueue constants

Import multiqueue constants from if_tun.h from 3.8-rc3. A new ifr flag
IFF_MULTI_QUEUE were introduced to create a multiqueue backend by calling
TUNSETIFF with the this flag and with the same interface name many times....
5193e5fb 02/01/2013 07:03 pm Jason Wang

tap: factor out common tap initialization

This patch factors out the common initialization of tap into a new helper
net_init_tap_one(). This will be used by multiqueue tap patches.

Signed-off-by: Jason Wang <>
Signed-off-by: Anthony Liguori <>
94fdc6d0 02/01/2013 07:03 pm Jason Wang

tap: add Linux multiqueue support

This patch add basic multiqueue support for Linux. When multiqueue is needed, we
will first check whether kernel support multiqueue tap before creating more
queues. Two new functions tap_fd_enable() and tap_fd_disable() were introduced...

View revisions

Also available in: Atom