Some device (such as virtio-net) needs the ability to destroy or re-order the
virtqueues, this patch adds a helper to do this.
Signed-off-by: Jason Wang jasowang
---
hw/virtio.c |9 +
hw/virtio.h |2 ++
2 files changed, 11 insertions(+), 0 deletions(-)
diff --git a/hw/virtio.c b
2 9367.69 406.93 9415.04 312.68 9409.29 300.9
16384 4 9391.96 405.17 9695.12 310.54 9423.76 223.47
Jason Wang (20):
net: introduce qemu_get_queue()
net: introduce qemu_get_nic()
net: intorduce qemu_del_nic()
net: introduce qemu_find_net_clients_except()
net: introduce
out of the starting/stopping of a specific vhost
thread. The vhost_net_{start|stop}() were renamed to
vhost_net_{start|stop}_one(), and a new vhost_net_{start|stop}() were introduced
to configure the guest notifiers and start/stop all vhost/vhost_net devices.
Signed-off-by: Jason Wang jasow
Add a queue_index to VirtQueue and a helper to fetch it, this could be used by
multiqueue supported device.
Signed-off-by: Jason Wang jasow...@redhat.com
---
hw/virtio.c |8
hw/virtio.h |1 +
2 files changed, 9 insertions(+), 0 deletions(-)
diff --git a/hw/virtio.c b/hw
To support multiqueue virtio-net, the first step is to separate the virtqueue
related fields from VirtIONet to a new structure VirtIONetQueue. The following
patches will add an array of VirtIONetQueue to VirtIONet based on this patch.
Signed-off-by: Jason Wang jasow...@redhat.com
---
hw/virtio
its name after
creating the first queue.
Only linux has this support since it's the only platform that supports
multiqueue tap.
Signed-off-by: Jason Wang jasow...@redhat.com
---
include/net/tap.h |1 +
net/tap-aix.c |6 ++
net/tap-bsd.c |4
net/tap-haiku.c |4
This patch add migration support for multiqueue virtio-net. Instead of bumping
the version, we conditionally send the info of multiqueue only when the device
support more than one queue to maintain the backward compatibility.
Signed-off-by: Jason Wang jasow...@redhat.com
---
hw/virtio-net.c
Disable multiqueue support for pre 1.4.
Signed-off-by: Jason Wang jasow...@redhat.com
---
hw/pc_piix.c |4
1 files changed, 4 insertions(+), 0 deletions(-)
diff --git a/hw/pc_piix.c b/hw/pc_piix.c
index 0a6923d..7bc3563 100644
--- a/hw/pc_piix.c
+++ b/hw/pc_piix.c
@@ -297,6 +297,10
This patch implements both userspace and vhost support for multiple queue
virtio-net (VIRTIO_NET_F_MQ). This is done by introducing an array of
VirtIONetQueue to VirtIONet.
Signed-off-by: Jason Wang jasow...@redhat.com
---
hw/virtio-net.c | 305
with
IFF_DETACH_QUEUE, the queue were disabled in the linux kernel. When doing this
ioctl with IFF_ATTACH_QUEUE, the queue were enabled in the linux kernel.
Signed-off-by: Jason Wang jasow...@redhat.com
---
net/tap-linux.h |4
1 files changed, 4 insertions(+), 0 deletions(-)
diff --git a/net/tap
On 01/29/2013 01:36 PM, Wanlong Gao wrote:
On 01/28/2013 12:24 PM, Jason Wang wrote:
On 01/28/2013 11:27 AM, Wanlong Gao wrote:
On 01/25/2013 06:35 PM, Jason Wang wrote:
Hello all:
This seires is an update of last version of multiqueue virtio-net support.
This series tries to brings
On 01/28/2013 11:27 AM, Wanlong Gao wrote:
On 01/25/2013 06:35 PM, Jason Wang wrote:
Hello all:
This seires is an update of last version of multiqueue virtio-net support.
This series tries to brings multiqueue support to virtio-net through a
multiqueue support tap backend and multiple vhost
286.18 9409.75 278.31
4096 4 9487.35 374.1 9556.91 288.81 9441.94 221.64
16384 1 9380.43 403.8 9379.78 399.13 9382.42 393.55
16384 2 9367.69 406.93 9415.04 312.68 9409.29 300.9
16384 4 9391.96 405.17 9695.12 310.54 9423.76 223.47
Jason Wang (20):
net: introduce qemu_get_queue()
net: introduce
To support multiqueue, the patch introduce a helper qemu_get_queue()
which is used to get the NetClientState of a device. The following patches would
refactor this helper to support multiqueue.
Signed-off-by: Jason Wang jasow...@redhat.com
---
hw/cadence_gem.c|9 +++--
hw/dp8393x.c
To support multiqueue, this patch introduces a helper qemu_get_nic() to get
NICState from a NetClientState. The following patches would refactor this helper
to support multiqueue.
Signed-off-by: Jason Wang jasow...@redhat.com
---
hw/cadence_gem.c|8
hw/dp8393x.c
-by: Jason Wang jasow...@redhat.com
---
hw/e1000.c |2 +-
hw/eepro100.c|2 +-
hw/ne2000.c |2 +-
hw/pcnet-pci.c |2 +-
hw/rtl8139.c |2 +-
hw/usb/dev-network.c |2 +-
hw/virtio-net.c |2 +-
hw/xen_nic.c |2
In multiqueue, all NetClientState that belongs to the same netdev or nic has the
same id. So this patches introduces an helper qemu_find_net_clients_except()
which finds all NetClientState with the same id. This will be used by multiqueue
networking.
Signed-off-by: Jason Wang jasow...@redhat.com
This patch separates the setup of NetClientState from its allocation, this will
allow allocating an arrays of NetClientState and does the initialization one by
one which is what multiqueue needs.
Signed-off-by: Jason Wang jasow...@redhat.com
---
net/net.c | 29 +++--
1
To allow allocating an array of NetClientState and free it once, this patch
introduces destructor of NetClientState. Which could do type specific free,
which could be used by multiqueue to free the array once.
Signed-off-by: Jason Wang jasow...@redhat.com
---
include/net/net.h |2 ++
net
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 jasow...@redhat.com
---
net/tap.c | 130 ++---
1 files changed, 73
with
IFF_DETACH_QUEUE, the queue were disabled in the linux kernel. When doing this
ioctl with IFF_ATTACH_QUEUE, the queue were enabled in the linux kernel.
Signed-off-by: Jason Wang jasow...@redhat.com
---
net/tap-linux.h |4
1 files changed, 4 insertions(+), 0 deletions(-)
diff --git a/net/tap
is only supported
in Linux, return error on other platforms.
Signed-off-by: Jason Wang jasow...@redhat.com
---
net/tap-aix.c | 10 ++
net/tap-bsd.c | 11 +++
net/tap-haiku.c | 11 +++
net/tap-linux.c | 52
only done when
the tap was enabled.
Signed-off-by: Jason Wang jasow...@redhat.com
---
include/net/tap.h |2 ++
net/tap-win32.c | 10 ++
net/tap.c | 43 ---
3 files changed, 52 insertions(+), 3 deletions(-)
diff --git a/include/net
its name after
creating the first queue.
Only linux has this support since it's the only platform that supports
multiqueue tap.
Signed-off-by: Jason Wang jasow...@redhat.com
---
include/net/tap.h |1 +
net/tap-aix.c |6 ++
net/tap-bsd.c |4
net/tap-haiku.c |4
out of the starting/stopping of a specific vhost
thread. The vhost_net_{start|stop}() were renamed to
vhost_net_{start|stop}_one(), and a new vhost_net_{start|stop}() were introduced
to configure the guest notifiers and start/stop all vhost/vhost_net devices.
Signed-off-by: Jason Wang jasow
Some device (such as virtio-net) needs the ability to destroy or re-order the
virtqueues, this patch adds a helper to do this.
Signed-off-by: Jason Wang jasowang
---
hw/virtio.c |9 +
hw/virtio.h |2 ++
2 files changed, 11 insertions(+), 0 deletions(-)
diff --git a/hw/virtio.c b
Add a queue_index to VirtQueue and a helper to fetch it, this could be used by
multiqueue supported device.
Signed-off-by: Jason Wang jasow...@redhat.com
---
hw/virtio.c |8
hw/virtio.h |1 +
2 files changed, 9 insertions(+), 0 deletions(-)
diff --git a/hw/virtio.c b/hw
To support multiqueue virtio-net, the first step is to separate the virtqueue
related fields from VirtIONet to a new structure VirtIONetQueue. The following
patches will add an array of VirtIONetQueue to VirtIONet based on this patch.
Signed-off-by: Jason Wang jasow...@redhat.com
---
hw/virtio
This patch implements both userspace and vhost support for multiple queue
virtio-net (VIRTIO_NET_F_MQ). This is done by introducing an array of
VirtIONetQueue to VirtIONet.
Signed-off-by: Jason Wang jasow...@redhat.com
---
hw/virtio-net.c | 317
This patch add migration support for multiqueue virtio-net. Instead of bumping
the version, we conditionally send the info of multiqueue only when the device
support more than one queue to maintain the backward compatibility.
Signed-off-by: Jason Wang jasow...@redhat.com
---
hw/virtio-net.c
Disable multiqueue support for pre 1.4.
Signed-off-by: Jason Wang jasow...@redhat.com
---
hw/pc_piix.c |4
1 files changed, 4 insertions(+), 0 deletions(-)
diff --git a/hw/pc_piix.c b/hw/pc_piix.c
index 0a6923d..7bc3563 100644
--- a/hw/pc_piix.c
+++ b/hw/pc_piix.c
@@ -297,6 +297,10
is not allowed.
Signed-off-by: Jason Wang jasow...@redhat.com
---
hw/dp8393x.c|2 +-
hw/mcf_fec.c|2 +-
hw/qdev-properties-system.c | 46 +++---
hw/qdev-properties.h|6 +-
include/net/net.h | 18 +--
net/net.c
On Friday, January 25, 2013 03:03:13 AM Cong Wang wrote:
[Followup-To: header set to gmane.linux.network.]
On Wed, 23 Jan 2013 at 20:46 GMT, Romain Francoise rom...@orebokech.com
wrote:
Creating a vhost-net device allocates an object large enough (34320 bytes
on x86-64) to trigger an
On 01/15/2013 03:44 AM, Anthony Liguori wrote:
Jason Wang jasow...@redhat.com writes:
Hello all:
This seires is an update of last version of multiqueue virtio-net support.
Recently, linux tap gets multiqueue support. This series implements basic
support for multiqueue tap, nic and vhost
On Wednesday, January 16, 2013 01:57:01 PM ak...@redhat.com wrote:
From: Amos Kong ak...@redhat.com
Currently we write MAC address to pci config space byte by byte,
this means that we have an intermediate step where mac is wrong.
This patch introduced a new control command to set MAC address
On Wednesday, January 16, 2013 02:16:47 PM ak...@redhat.com wrote:
From: Amos Kong ak...@redhat.com
In virtio-net guest driver, currently we write MAC address to
pci config space byte by byte, this means that we have an
intermediate step where mac is wrong. This patch introduced
a new
On 01/13/2013 07:10 PM, Michael S. Tsirkin wrote:
On Mon, Jan 07, 2013 at 11:04:32PM +0800, Jason Wang wrote:
On 01/07/2013 10:55 PM, Michael S. Tsirkin wrote:
On Mon, Jan 07, 2013 at 12:38:17PM +0800, Jason Wang wrote:
On 01/06/2013 09:22 PM, Michael S. Tsirkin wrote:
On Sun, Jan 06, 2013
On 01/14/2013 02:57 PM, Michael S. Tsirkin wrote:
On Mon, Jan 14, 2013 at 10:59:02AM +0800, Jason Wang wrote:
On 01/13/2013 07:10 PM, Michael S. Tsirkin wrote:
On Mon, Jan 07, 2013 at 11:04:32PM +0800, Jason Wang wrote:
On 01/07/2013 10:55 PM, Michael S. Tsirkin wrote:
On Mon, Jan 07, 2013
On 01/10/2013 04:44 PM, Stefan Hajnoczi wrote:
On Wed, Jan 09, 2013 at 11:33:25PM +0800, Jason Wang wrote:
On 01/09/2013 11:32 PM, Michael S. Tsirkin wrote:
On Wed, Jan 09, 2013 at 03:29:24PM +0100, Stefan Hajnoczi wrote:
On Fri, Dec 28, 2012 at 06:31:52PM +0800, Jason Wang wrote:
Perf
On 01/10/2013 05:06 PM, Wanlong Gao wrote:
On 01/10/2013 03:16 PM, Jason Wang wrote:
On Thursday, January 10, 2013 02:49:14 PM Wanlong Gao wrote:
On 01/10/2013 02:43 PM, Jason Wang wrote:
On Wednesday, January 09, 2013 11:26:33 PM Jason Wang wrote:
On 01/09/2013 06:01 PM, Wanlong Gao wrote
On 01/10/2013 06:28 PM, Stefan Hajnoczi wrote:
On Fri, Dec 28, 2012 at 06:31:53PM +0800, Jason Wang wrote:
Mainly suggestions to make the code easier to understand, but see the
comment about the 1:1 queue/NetClientState model for a general issue
with this approach.
Ok, thanks
On 01/10/2013 07:49 PM, Stefan Hajnoczi wrote:
On Thu, Jan 10, 2013 at 05:34:14PM +0800, Jason Wang wrote:
On 01/10/2013 04:44 PM, Stefan Hajnoczi wrote:
On Wed, Jan 09, 2013 at 11:33:25PM +0800, Jason Wang wrote:
On 01/09/2013 11:32 PM, Michael S. Tsirkin wrote:
On Wed, Jan 09, 2013 at 03:29
On 01/10/2013 10:45 PM, ak...@redhat.com wrote:
From: Amos Kong ak...@redhat.com
We will send vq command to set mac address in virtnet_set_mac_address()
a little fix of coding style
Maybe what you need is just a forward declaration.
Signed-off-by: Amos Kong ak...@redhat.com
---
On 01/10/2013 10:45 PM, ak...@redhat.com wrote:
From: Amos Kong ak...@redhat.com
Currently we write MAC address to pci config space byte by byte,
this means that we have an intermediate step where mac is wrong.
This patch introduced a new control command to set MAC address
in one time.
On 01/09/2013 04:23 PM, Wanlong Gao wrote:
On 01/08/2013 06:14 PM, Jason Wang wrote:
On 01/08/2013 06:00 PM, Wanlong Gao wrote:
On 01/08/2013 05:51 PM, Jason Wang wrote:
On 01/08/2013 05:49 PM, Wanlong Gao wrote:
On 01/08/2013 05:29 PM, Jason Wang wrote:
On 01/08/2013 05:07 PM, Wanlong Gao
On 01/09/2013 05:56 PM, Stefan Hajnoczi wrote:
On Fri, Dec 28, 2012 at 06:31:53PM +0800, Jason Wang wrote:
diff --git a/qapi-schema.json b/qapi-schema.json
index 5dfa052..583eb7c 100644
--- a/qapi-schema.json
+++ b/qapi-schema.json
@@ -2465,7 +2465,7 @@
{ 'type': 'NetdevTapOptions
On 01/09/2013 06:01 PM, Wanlong Gao wrote:
On 01/09/2013 05:30 PM, Jason Wang wrote:
On 01/09/2013 04:23 PM, Wanlong Gao wrote:
On 01/08/2013 06:14 PM, Jason Wang wrote:
On 01/08/2013 06:00 PM, Wanlong Gao wrote:
On 01/08/2013 05:51 PM, Jason Wang wrote:
On 01/08/2013 05:49 PM, Wanlong Gao
On 01/09/2013 11:32 PM, Michael S. Tsirkin wrote:
On Wed, Jan 09, 2013 at 03:29:24PM +0100, Stefan Hajnoczi wrote:
On Fri, Dec 28, 2012 at 06:31:52PM +0800, Jason Wang wrote:
Perf Numbers:
Two Intel Xeon 5620 with direct connected intel 82599EB
Host/Guest kernel: David net tree
vhost
On 01/10/2013 04:25 AM, Chegu Vinod wrote:
Hello,
'am running into an issue with the latest bits. [ Pl. see below. The
vhost thread seems to be getting
stuck while trying to memcopy...perhaps a bad address?. ] Wondering
if this is a known issue or
some recent regression ?
Hi:
Looks like
On Wednesday, January 09, 2013 11:26:33 PM Jason Wang wrote:
On 01/09/2013 06:01 PM, Wanlong Gao wrote:
On 01/09/2013 05:30 PM, Jason Wang wrote:
On 01/09/2013 04:23 PM, Wanlong Gao wrote:
On 01/08/2013 06:14 PM, Jason Wang wrote:
On 01/08/2013 06:00 PM, Wanlong Gao wrote:
On 01/08/2013
On Thursday, January 10, 2013 02:49:14 PM Wanlong Gao wrote:
On 01/10/2013 02:43 PM, Jason Wang wrote:
On Wednesday, January 09, 2013 11:26:33 PM Jason Wang wrote:
On 01/09/2013 06:01 PM, Wanlong Gao wrote:
On 01/09/2013 05:30 PM, Jason Wang wrote:
On 01/09/2013 04:23 PM, Wanlong Gao
On 01/08/2013 03:10 PM, Michael S. Tsirkin wrote:
On Fri, Dec 28, 2012 at 06:32:03PM +0800, Jason Wang wrote:
This patch add migration support for multiqueue virtio-net. The version were
bumped to 12.
Signed-off-by: Jason Wang jasow...@redhat.com
---
hw/virtio-net.c | 45
On 01/08/2013 03:14 PM, Michael S. Tsirkin wrote:
On Fri, Dec 28, 2012 at 06:31:59PM +0800, Jason Wang wrote:
Some device (such as virtio-net) needs the ability to destroy or re-order the
virtqueues, this patch adds a helper to do this.
Signed-off-by: Jason Wang jasowang
Actually del_queue
On 01/08/2013 05:07 PM, Wanlong Gao wrote:
On 12/28/2012 06:32 PM, Jason Wang wrote:
+} else if (nc-peer-info-type != NET_CLIENT_OPTIONS_KIND_TAP) {
+ret = -1;
+} else {
+ret = tap_detach(nc-peer);
+}
+
+return ret;
+}
+
+static void
On 01/08/2013 05:49 PM, Wanlong Gao wrote:
On 01/08/2013 05:29 PM, Jason Wang wrote:
On 01/08/2013 05:07 PM, Wanlong Gao wrote:
On 12/28/2012 06:32 PM, Jason Wang wrote:
+} else if (nc-peer-info-type != NET_CLIENT_OPTIONS_KIND_TAP) {
+ret = -1;
+} else {
+ret
On 01/08/2013 06:00 PM, Wanlong Gao wrote:
On 01/08/2013 05:51 PM, Jason Wang wrote:
On 01/08/2013 05:49 PM, Wanlong Gao wrote:
On 01/08/2013 05:29 PM, Jason Wang wrote:
On 01/08/2013 05:07 PM, Wanlong Gao wrote:
On 12/28/2012 06:32 PM, Jason Wang wrote:
+} else if (nc-peer-info-type
On 01/08/2013 07:24 PM, Wanlong Gao wrote:
On 01/08/2013 06:14 PM, Jason Wang wrote:
On 01/08/2013 06:00 PM, Wanlong Gao wrote:
On 01/08/2013 05:51 PM, Jason Wang wrote:
On 01/08/2013 05:49 PM, Wanlong Gao wrote:
On 01/08/2013 05:29 PM, Jason Wang wrote:
On 01/08/2013 05:07 PM, Wanlong Gao
On 01/07/2013 10:55 PM, Michael S. Tsirkin wrote:
On Mon, Jan 07, 2013 at 12:38:17PM +0800, Jason Wang wrote:
On 01/06/2013 09:22 PM, Michael S. Tsirkin wrote:
On Sun, Jan 06, 2013 at 03:18:38PM +0800, Jason Wang wrote:
Polling errors were ignored by vhost/vhost_net, this may lead to crash
On 01/06/2013 09:22 PM, Michael S. Tsirkin wrote:
On Sun, Jan 06, 2013 at 03:18:38PM +0800, Jason Wang wrote:
Polling errors were ignored by vhost/vhost_net, this may lead to crash when
trying to remove vhost from waitqueue when after the polling is failed. Solve
this problem by:
- checking
in vhost_net since
it was replaced by the checking of poll-wqh.
Signed-off-by: Jason Wang jasow...@redhat.com
---
drivers/vhost/net.c | 74
drivers/vhost/vhost.c | 31 +++-
drivers/vhost/vhost.h |2 +-
3 files changed, 49
the state before the ioctl when vhost_init_used() fails
- log the error when meet polling errors in the data path
- don't put into waitqueue when tun_chr_poll() return POLLERR
Jason Wang (2):
vhost_net: correct error handling in vhost_net_set_backend()
vhost: handle polling errors
drivers/vhost
Currently, when vhost_init_used() fails the sock refcnt and ubufs were
leaked. Correct this by calling vhost_init_used() before assign ubufs and
restore the oldsock when it fails.
Signed-off-by: Jason Wang jasow...@redhat.com
---
drivers/vhost/net.c | 16 +++-
1 files changed, 11
On 12/29/2012 01:52 AM, Blue Swirl wrote:
On Fri, Dec 28, 2012 at 10:32 AM, Jason Wang jasow...@redhat.com wrote:
This patch implements both userspace and vhost support for multiple queue
virtio-net (VIRTIO_NET_F_MQ). This is done by introducing an array of
VirtIONetQueue to VirtIONet
405.17 9695.12 310.54 9423.76 223.47
Jason Wang (12):
tap: multiqueue support
net: introduce qemu_get_queue()
net: introduce qemu_get_nic()
net: intorduce qemu_del_nic()
net: multiqueue support
vhost: multiqueue support
virtio: introduce virtio_queue_del()
virtio: add a queue_index
) to qemu.
Each TAPState were still associated to a tap fd, which mean multiple TAPStates
were created when user needs multiqueue taps.
Only linux part were implemented now, since it's the only OS that support
multiqueue tap.
Signed-off-by: Jason Wang jasow...@redhat.com
---
net/tap-aix.c
To support multiqueue, the patch introduce a helper qemu_get_queue()
which is used to get the NetClientState of a device. The following patches would
refactor this helper to support multiqueue.
Signed-off-by: Jason Wang jasow...@redhat.com
---
hw/cadence_gem.c|8 +++---
hw/dp8393x.c
To support multiqueue nic, this patch separate the nic destructor from
qemu_del_net_client() to a new helper qemu_del_nic(). The following patches
would refactor this function to support multiqueue nic.
Signed-off-by: Jason Wang jasow...@redhat.com
---
hw/e1000.c |2 +-
hw/eepro100
To support multiqueue , the patch introduce a helper qemu_get_nic() to get the
NICState from a NetClientState. The following patches would refactor this helper
to support multiqueue.
Signed-off-by: Jason Wang jasow...@redhat.com
---
hw/cadence_gem.c|8
hw/dp8393x.c
-by: Jason Wang jasow...@redhat.com
---
hw/dp8393x.c |2 +-
hw/mcf_fec.c |2 +-
hw/qdev-properties.c | 46 +++--
hw/qdev-properties.h |6 +-
net.c| 172 +-
net.h| 27 +++-
6
virtqueue which this vhost thread serves.
Signed-off-by: Jason Wang jasow...@redhat.com
---
hw/vhost.c | 52 +---
hw/vhost.h |2 ++
hw/vhost_net.c |7 +--
hw/vhost_net.h |2 +-
hw/virtio-net.c |3 ++-
5 files changed
Add a queue_index to VirtQueue and a helper to fetch it, this could be used by
multiqueue supported device.
Signed-off-by: Jason Wang jasow...@redhat.com
---
hw/virtio.c |8
hw/virtio.h |1 +
2 files changed, 9 insertions(+), 0 deletions(-)
diff --git a/hw/virtio.c b/hw
To support multiqueue virtio-net, the first step is to separate the virtqueue
related fields from VirtIONet to a new structure VirtIONetQueue. The following
patches will add an array of VirtIONetQueue to VirtIONet based on this patch.
Signed-off-by: Jason Wang jasow...@redhat.com
---
hw/virtio
This patch implements both userspace and vhost support for multiple queue
virtio-net (VIRTIO_NET_F_MQ). This is done by introducing an array of
VirtIONetQueue to VirtIONet.
Signed-off-by: Jason Wang jasow...@redhat.com
---
hw/virtio-net.c | 318
This patch add migration support for multiqueue virtio-net. The version were
bumped to 12.
Signed-off-by: Jason Wang jasow...@redhat.com
---
hw/virtio-net.c | 45 +++--
1 files changed, 35 insertions(+), 10 deletions(-)
diff --git a/hw/virtio-net.c b/hw
Disable multiqueue support for pre 1.4.
Signed-off-by: Jason Wang jasow...@redhat.com
---
hw/pc_piix.c |4
1 files changed, 4 insertions(+), 0 deletions(-)
diff --git a/hw/pc_piix.c b/hw/pc_piix.c
index 19e342a..0145370 100644
--- a/hw/pc_piix.c
+++ b/hw/pc_piix.c
@@ -295,6 +295,10
Some device (such as virtio-net) needs the ability to destroy or re-order the
virtqueues, this patch adds a helper to do this.
Signed-off-by: Jason Wang jasowang
---
hw/virtio.c |9 +
hw/virtio.h |2 ++
2 files changed, 11 insertions(+), 0 deletions(-)
diff --git a/hw/virtio.c b
On 12/27/2012 06:01 PM, Wanlong Gao wrote:
On 12/27/2012 02:39 PM, Jason Wang wrote:
Currently, polling error were ignored in vhost. This may lead some issues
(e.g
kenrel crash when passing a tap fd to vhost before calling TUNSETIFF). Fix
this
by:
Can this kernel crash be reproduced
On 12/27/2012 09:03 PM, Michael S. Tsirkin wrote:
On Thu, Dec 27, 2012 at 02:39:20PM +0800, Jason Wang wrote:
Currently, polling error were ignored in vhost. This may lead some issues
(e.g
kenrel crash when passing a tap fd to vhost before calling TUNSETIFF). Fix
this
by:
- extend
On 12/27/2012 09:14 PM, Michael S. Tsirkin wrote:
On Thu, Dec 27, 2012 at 02:39:19PM +0800, Jason Wang wrote:
Fix the leaking of oldubufs and fd refcnt when fail to initialized used ring.
Signed-off-by: Jason Wang jasow...@redhat.com
---
drivers/vhost/net.c | 14 +++---
1 files
() report errors to the caller, which could be used
caller or userspace.
Signed-off-by: Jason Wang jasow...@redhat.com
---
drivers/vhost/net.c | 75 +
drivers/vhost/vhost.c | 16 +-
drivers/vhost/vhost.h | 11 ++-
3 files changed
Fix the leaking of oldubufs and fd refcnt when fail to initialized used ring.
Signed-off-by: Jason Wang jasow...@redhat.com
---
drivers/vhost/net.c | 14 +++---
1 files changed, 11 insertions(+), 3 deletions(-)
diff --git a/drivers/vhost/net.c b/drivers/vhost/net.c
index ebd08b2
On Friday, December 07, 2012 04:18:56 PM Michael S. Tsirkin wrote:
Add multiqueue support to virtio network device.
Add a new feature flag VIRTIO_NET_F_MQ for this feature, a new
configuration field max_virtqueue_pairs to detect supported number of
virtqueues as well as a new command
This patch implements the ethtool_{set|get}_channels method of virtio-net to
allow user to change the number of queues when the device is running on demand.
Signed-off-by: Jason Wang jasow...@redhat.com
---
drivers/net/virtio_net.c | 43 +++
1 files
.
- smp affinity hint to the cpu that owns the queue pairs.
This could be used with the flow steering support of the device to guarantee the
packets of a single flow is handled by the same cpu.
Signed-off-by: Krishna Kumar krkum...@in.ibm.com
Signed-off-by: Jason Wang jasow...@redhat.com
...@in.ibm.com
Signed-off-by: Jason Wang jasow...@redhat.com
---
drivers/net/virtio_net.c | 282 ++
1 files changed, 158 insertions(+), 124 deletions(-)
diff --git a/drivers/net/virtio_net.c b/drivers/net/virtio_net.c
index 90ac97d..02a7102 100644
This patch implements the ethtool_{set|get}_channels method of virtio-net to
allow user to change the number of queues when the device is running on demand.
Signed-off-by: Jason Wang jasow...@redhat.com
---
drivers/net/virtio_net.c | 43 +++
1 files
.
- smp affinity hint to the cpu that owns the queue pairs.
This could be used with the flow steering support of the device to guarantee the
packets of a single flow is handled by the same cpu.
Signed-off-by: Krishna Kumar krkum...@in.ibm.com
Signed-off-by: Jason Wang jasow...@redhat.com
...@in.ibm.com
Signed-off-by: Jason Wang jasow...@redhat.com
---
drivers/net/virtio_net.c | 282 ++
1 files changed, 158 insertions(+), 124 deletions(-)
diff --git a/drivers/net/virtio_net.c b/drivers/net/virtio_net.c
index 8262232..0dcaee7 100644
basic test and post as a reply to this mail.
Jason Wang (3):
virtio-net: separate fields of sending/receiving queue from
virtnet_info
virtio_net: multiqueue support
virtio-net: support changing the number of queue pairs through
ethtool
drivers/net/virtio_net.c| 726
On Monday, December 03, 2012 01:18:48 PM Michael S. Tsirkin wrote:
On Mon, Dec 03, 2012 at 01:15:01PM +0800, Jason Wang wrote:
+
+ /* Work struct for refilling if we run low on memory. */
+ struct delayed_work refill;
I can't really see the justificaiton for a refill
On Tuesday, December 04, 2012 02:13:11 PM Rusty Russell wrote:
Jason Wang jasow...@redhat.com writes:
On Monday, December 03, 2012 12:25:42 PM Rusty Russell wrote:
+
+/* Work struct for refilling if we run low on memory. */
+struct delayed_work refill;
I can't
On Monday, December 03, 2012 01:11:18 PM Michael S. Tsirkin wrote:
On Mon, Dec 03, 2012 at 06:01:58PM +0800, Jason Wang wrote:
On 12/03/2012 05:47 PM, Michael S. Tsirkin wrote:
On Mon, Dec 03, 2012 at 02:05:27PM +0800, Jason Wang wrote:
On Monday, December 03, 2012 12:34:08 PM Rusty
On Tuesday, December 04, 2012 09:35:03 AM Michael S. Tsirkin wrote:
On Mon, Dec 03, 2012 at 06:30:49PM +0800, Jason Wang wrote:
On 12/03/2012 06:14 PM, Michael S. Tsirkin wrote:
On Tue, Nov 27, 2012 at 06:15:59PM +0800, Jason Wang wrote:
- if (!try_fill_recv(vi-rq, GFP_KERNEL
://lwn.net/Articles/467283/
Perf Numbers:
Will do some basic test and post as a reply to this mail.
Jason Wang (3):
virtio-net: separate fields of sending/receiving queue from
virtnet_info
virtio_net: multiqueue support
virtio-net: change the number of queues through ethtool
drivers
This patch implement the ethtool_{set|get}_channels method of ethool to allow
user to change the number of queues dymaically when the device is running. This
would let the user to configure it on demand.
Signed-off-by: Jason Wang jasow...@redhat.com
---
drivers/net/virtio_net.c | 44
...@in.ibm.com
Signed-off-by: Jason Wang jasow...@redhat.com
---
drivers/net/virtio_net.c | 271 +-
1 files changed, 149 insertions(+), 122 deletions(-)
diff --git a/drivers/net/virtio_net.c b/drivers/net/virtio_net.c
index 8262232..266f712 100644
processor id.
- smp affinity hint were set to the vcpu that owns the queue pairs.
Signed-off-by: Krishna Kumar krkum...@in.ibm.com
Signed-off-by: Jason Wang jasow...@redhat.com
---
drivers/net/virtio_net.c| 472 ++-
include/uapi/linux/virtio_net.h
On Tuesday, December 04, 2012 03:24:22 PM Michael S. Tsirkin wrote:
I found some bugs, see below.
Also some style nitpicking, this is not mandatory to address.
Thanks for the reviewing.
On Tue, Dec 04, 2012 at 07:07:57PM +0800, Jason Wang wrote:
This addes multiqueue support to virtio_net
On Tuesday, December 04, 2012 03:49:59 PM Michael S. Tsirkin wrote:
On Tue, Dec 04, 2012 at 07:07:58PM +0800, Jason Wang wrote:
This patch implement the ethtool_{set|get}_channels method of ethool to
allow user to change the number of queues dymaically when the device is
running. This would
On 12/04/2012 11:11 PM, Michael S. Tsirkin wrote:
On Tue, Dec 04, 2012 at 10:45:33PM +0800, Jason Wang wrote:
On Tuesday, December 04, 2012 03:24:22 PM Michael S. Tsirkin wrote:
I found some bugs, see below.
Also some style nitpicking, this is not mandatory to address.
Thanks
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