Re: [PATCH v2 13/15] net: Remove obsolete vlan info

Zhi Yong Wu
2012-05-24T14:14:24Z

On Thu, May 24, 2012 at 9:33 PM, Jan Kiszka <jan.kiszka@siemens.com> wrote:
> On 2012-05-24 09:34, Zhi Yong Wu wrote:
>> On Thu, May 24, 2012 at 8:09 PM, Jan Kiszka <jan.kiszka@siemens.com> wrote:
>>> On 2012-05-23 23:42, Zhi Yong Wu wrote:
>>>> On Wed, May 23, 2012 at 11:41 PM, Jan Kiszka <jan.kiszka@siemens.com> wrote:
>>>>> On 2012-05-23 12:14, zwu.kernel@gmail.com wrote:
>>>>>> From: Zhi Yong Wu <wuzhy@linux.vnet.ibm.com>
>>>>>>
>>>>>> Signed-off-by: Zhi Yong Wu <wuzhy@linux.vnet.ibm.com>
>>>>>> ---
>>>>>>  net.c |    1 -
>>>>>>  1 files changed, 0 insertions(+), 1 deletions(-)
>>>>>>
>>>>>> diff --git a/net.c b/net.c
>>>>>> index 61dc28d..8c8e703 100644
>>>>>> --- a/net.c
>>>>>> +++ b/net.c
>>>>>> @@ -1079,7 +1079,6 @@ void do_info_network(Monitor *mon)
>>>>>>      NetClientState *nc, *peer;
>>>>>>      net_client_type type;
>>>>>>
>>>>>> -    monitor_printf(mon, "Devices not on any VLAN:\n");
>>>>>>      QTAILQ_FOREACH(nc, &net_clients, next) {
>>>>>>          peer = nc->peer;
>>>>>>          type = nc->info->type;
>>>>>
>>>>> This looks suspicious - or the patch description is improvable. This is
>>>>> really just about removing that headline? And what about the indention
>>>>> of the lines printed afterward?
>>>> As you have known, vlan concept is replaced with hub. So i think that
>>>> it is more reasonable to remove this in monitor.
>>>
>>> That is true. But the output formatting is still improvable.
>>>
>>>>>
>>>>> It also leads me to the question how hub-based networks will be
>>>>> visualized on "info network", specifically when there are multiple hubs.
>>>>> Can you provide some more complex example of an info network output?
>>>>
>>>> (qemu) info network
>>>>   virtio-net-pci.0: type=nic,model=virtio-net-pci,macaddr=52:54:00:12:34:56
>>>>    \ hub0port0: type=(null),
>>>>   virtio-net-pci.1: type=nic,model=virtio-net-pci,macaddr=52:54:00:12:34:57
>>>>    \ hub1port0: type=(null),
>>>> hub 1
>>>>     port 1 peer user.1
>>>>     port 0 peer virtio-net-pci.1
>>>> hub 0
>>>>     port 1 peer user.0
>>>>     port 0 peer virtio-net-pci.0
>>>
>>> What about a layout like this:
>>>
>>> hub.0
>>>  \ virtio-net-pci.0: ...
>>>  \ virtio-net-pci.1: ...
>>>  \ user.0: ...
>>> hub.1
>>>  \ e1000.0: ...
>>> e1000.1: ...
>>>  \ user.1: ...
>> For this output, we can't find which port peers with which emulated
>> NIC or network backend.
>
> Why? This information should be available at least in the hubs. The info
Sorry, More
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Setting it to 1 enables printing of time taken … 6:28 pm
Sarah, Alan, Aman (3)Re: USB2.0 [EHCI] Issue : EHCI interrupt
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2012 at 09:45:46AM +0530, Aman Bansal wrote: > Dear Alan and Sarah …
6:22 pm
Lin, Lin, Alan (14)[RFC v2 PATCH 2/4] block: add queue runtime pm
callbacks - On Fri, May 18, 2012 at 2:29 AM, Alan Stern
<stern@rowland.harvard.edu> wrote: [snip … 6:19 pm
Ashish, Wim (3)[PATCH] Watchdog: Fix for settimeout issue - Some
devices have a fixed minimum elapse time and a ping before this elapse
time causes error … 6:19 pm
Stanislav Kinsbursky[PATCH v2] NFSd: set nfsd_serv to NULL after
service destruction - v2: 1) Set global nfsd_serv pointer to NULL only
if no running threads left. Otherwise we will … 6:16 pm
Harsh Prateek Bora[Qemu-devel] [PATCH v2 2/3] Simpletrace v2: Add
support for multiple args, strings. - A newer tracelog format which
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6:12 pm
Harsh Prateek Bora[Qemu-devel] [PATCH v2 0/3] Simpletrace v2: Support
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at max 6 args and does not support strings. This … 6:11 pm
Pavel .. Pavel .. Paolo (12)[Qemu-devel] [PATCH] Prevent disk data
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[mailto:paolo.bonzini@gmail.com] On Behalf Of Paolo Bonzini > Il 23/05
… 9:47 pm
Tomoya, Mark (18)[PATCH v3] sound/soc/lapis: add platform driver for
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Nieścierowi., Jamal (3)tc filter u32 match - Hello, I'm in the process
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Gao, Pablo (4)[PATCH 02/17] netfilter: add namespace support for
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于 2012年05月23日 18:25, Pablo … 6:00 pm
u-boot-requestU-Boot Digest, Vol 48, Issue 33 - Send U-Boot mailing
list submissions to u-boot@lists.denx.de To subscribe or unsubscribe
via the … 6:00 pm
Gao, Pablo (4)[PATCH 15/17] netfilter: cleanup sysctl for l4proto and
l3proto - delete no useless sysctl data for l4proto and l3proto.
Acked-by: Eric W. Biederman <ebiederm … 5:56 pm
Alon, Gerd (2)[Qemu-devel] [PATCH 3/4] hmp/qxl: info spice: add qxl
info - For all devices print id, mode and guest_bug status. Known
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Alon Levy[Qemu-devel] [PATCH 4/4] qxl: stop dirty loging when not in
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Yongjie, Avi, Yongjie (5)which branch of kvm.git should I do regular
testing against? - On 05/24/2012 12:33 PM, Ren, Yongjie wrote: >> >>
On 05/24/2012 12:24 PM, Ren … 5:48 pm
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[Qemu-deve​l] [PATCH v2 13/15] net: Remove obsolete vlan info
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zwu.kernel@gmail.comFrom: Zhi Yong Wu <wuzhy@linux.vnet.ibm.com>
Signed-off-by: Zhi Yong Wu <wuzh...
11:14 PM (22 hours ago)

From: Zhi Yong Wu <wuzhy@linux.vnet.ibm.com> Signed-off-by: Zhi Yong Wu <wuzh...

Jan KiszkaThis looks suspicious - or the patch description is
improvable. This is reall...
11:41 PM (22 hours ago)

This looks suspicious - or the patch description is improvable. This is reall...

Zhi Yong WuAs you have known, vlan concept is replaced with hub. So i
think that it is m...
10:42 AM (11 hours ago)

As you have known, vlan concept is replaced with hub. So i think that it is m...

5 older messages

Jan KiszkaThat is true. But the output formatting is still improvable.
What about a lay...
8:09 PM (1 hour ago)
That is true. But the output formatting is still improvable. What about a lay...

Jan Kiszka8:09 PM (1 hour ago)
Loading...

Jan Kiszka
8:09 PM (2 hours ago)

to me, qemu-devel, pbonzini, wuzhy, linuxram, stefanha, kvm

On 2012-05-23 23:42, Zhi Yong Wu wrote:
> On Wed, May 23, 2012 at 11:41 PM, Jan Kiszka <jan.kiszka@siemens.com> wrote:
>> On 2012-05-23 12:14, zwu.kernel@gmail.com wrote:
>>> From: Zhi Yong Wu <wuzhy@linux.vnet.ibm.com>
>>>
>>> Signed-off-by: Zhi Yong Wu <wuzhy@linux.vnet.ibm.com>
>>> ---
>>> net.c | 1 -
>>> 1 files changed, 0 insertions(+), 1 deletions(-)
>>>
>>> diff --git a/net.c b/net.c
>>> index 61dc28d..8c8e703 100644
>>> --- a/net.c
>>> +++ b/net.c
>>> @@ -1079,7 +1079,6 @@ void do_info_network(Monitor *mon)
>>> NetClientState *nc, *peer;
>>> net_client_type type;
>>>
>>> - monitor_printf(mon, "Devices not on any VLAN:\n");
>>> QTAILQ_FOREACH(nc, &net_clients, next) {
>>> peer = nc->peer;
>>> type = nc->info->type;
>>
>> This looks suspicious - or the patch description is improvable. This is
>> really just about removing that headline? And what about the indention
>> of the lines printed afterward?
> As you have known, vlan concept is replaced with hub. So i think that
> it is more reasonable to remove this in monitor.

That is true. But the output formatting is still improvable.

>>
>> It also leads me to the question how hub-based networks will be
>> visualized on "info network", specifically when there are multiple hubs.
>> Can you provide some more complex example of an info network output?
>
> (qemu) info network
> virtio-net-pci.0: type=nic,model=virtio-net-pci,macaddr=52:54:00:12:34:56
> \ hub0port0: type=(null),
> virtio-net-pci.1: type=nic,model=virtio-net-pci,macaddr=52:54:00:12:34:57
> \ hub1port0: type=(null),
> hub 1
> port 1 peer user.1
> port 0 peer virtio-net-pci.1
> hub 0
> port 1 peer user.0
> port 0 peer virtio-net-pci.0

What about a layout like this:

hub.0
\ virtio-net-pci.0: ...
\ virtio-net-pci.1: ...
\ user.0: ...
hub.1
\ e1000.0: ...
e1000.1: ...
\ user.1: ...

ie. printing the hubs first, listing all the peers of their ports
underneath them. Also, things like "type=(null)" should be avoided.

Jan

--
Siemens AG, Corporate Technology, CT T DE IT 1
Corporate Competence Center Embedded Linux

Reply Reply to all Forward

Zhi Yong WuPlease see below. It is completely wrong. In one hub, one
NIC emulated driver...
8:27 PM (1 hour ago)

Please see below. It is completely wrong. In one hub, one NIC emulated driver...

Zhi Yong WuFor this output, we can't find which port peers with which
emulated NIC or ne...
8:34 PM (1 hour ago)

For this output, we can't find which port peers with which emulated NIC or ne...

Zhi Yong WuLet it look like as below, do you think of it? \ hub0port0:
type=hubport, \ h...
8:54 PM (1 hour ago)
Let it look like as below, do you think of it? \ hub0port0: type=hubport, \ h...

Zhi Yong Wu8:54 PM (1 hour ago)
Loading...

Zhi Yong Wu
8:54 PM (1 hour ago)

to Jan, qemu-devel, pbonzini, wuzhy, linuxram, stefanha, kvm

On Thu, May 24, 2012 at 8:09 PM, Jan Kiszka <jan.kiszka@siemens.com> wrote:
> On 2012-05-23 23:42, Zhi Yong Wu wrote:
>> On Wed, May 23, 2012 at 11:41 PM, Jan Kiszka <jan.kiszka@siemens.com> wrote:
>>> On 2012-05-23 12:14, zwu.kernel@gmail.com wrote:
>>>> From: Zhi Yong Wu <wuzhy@linux.vnet.ibm.com>
>>>>
>>>> Signed-off-by: Zhi Yong Wu <wuzhy@linux.vnet.ibm.com>
>>>> ---
>>>> net.c | 1 -
>>>> 1 files changed, 0 insertions(+), 1 deletions(-)
>>>>
>>>> diff --git a/net.c b/net.c
>>>> index 61dc28d..8c8e703 100644
>>>> --- a/net.c
>>>> +++ b/net.c
>>>> @@ -1079,7 +1079,6 @@ void do_info_network(Monitor *mon)
>>>> NetClientState *nc, *peer;
>>>> net_client_type type;
>>>>
>>>> - monitor_printf(mon, "Devices not on any VLAN:\n");
>>>> QTAILQ_FOREACH(nc, &net_clients, next) {
>>>> peer = nc->peer;
>>>> type = nc->info->type;
>>>
>>> This looks suspicious - or the patch description is improvable. This is
>>> really just about removing that headline? And what about the indention
>>> of the lines printed afterward?
>> As you have known, vlan concept is replaced with hub. So i think that
>> it is more reasonable to remove this in monitor.
>
> That is true. But the output formatting is still improvable.
>
>>>
>>> It also leads me to the question how hub-based networks will be
>>> visualized on "info network", specifically when there are multiple hubs.
>>> Can you provide some more complex example of an info network output?
>>
>> (qemu) info network
>> virtio-net-pci.0: type=nic,model=virtio-net-pci,macaddr=52:54:00:12:34:56
>> \ hub0port0: type=(null),
>> virtio-net-pci.1: type=nic,model=virtio-net-pci,macaddr=52:54:00:12:34:57
>> \ hub1port0: type=(null),
>> hub 1
>> port 1 peer user.1
>> port 0 peer virtio-net-pci.1
>> hub 0
>> port 1 peer user.0
>> port 0 peer virtio-net-pci.0
>
> What about a layout like this:
>
> hub.0
> \ virtio-net-pci.0: ...
> \ virtio-net-pci.1: ...
> \ user.0: ...
> hub.1
> \ e1000.0: ...
> e1000.1: ...
> \ user.1: ...
>
> ie. printing the hubs first, listing all the peers of their ports
> underneath them. Also, things like "type=(null)" should be avoided.

Let it look like as below, do you think of it? type=hubport

virtio-net-pci.0: type=nic,model=virtio-net-pci,macaddr=52:54:00:12:34:56
\ hub0port0: type=hubport,

virtio-net-pci.1: type=nic,model=virtio-net-pci,macaddr=52:54:00:12:34:57
\ hub1port0: type=hubport,
virtio-net-pci.2: type=nic,model=virtio-net-pci,macaddr=52:54:00:12:34:58
\ u: type=user,net=10.0.2.0,restrict=off
hub 1
port 1 peer user.1
port 0 peer virtio-net-pci.1
hub 0
port 1 peer user.0
port 0 peer virtio-net-pci.0
> network routine could call into a dumping helper of the hub to make it
> available for visualization. It is surely not impossible, just not as
> straightforward as it was so far.
>
> Jan
>
> --
> Siemens AG, Corporate Technology, CT T DE IT 1
> Corporate Competence Center Embedded Linux

--
Regards,

Zhi Yong Wu