[Winpcap-users] Message: 5 question about the api 'PacketSendPacket'

Thu Jan 31 11:09:21 PST 2013

I’ve never tested the loopback interface, it’s possible that it doesn’t support jumbo frames. Depending on the specific 1G NIC you use, you should be able to transmit jumbo frames (probably up to ~9k on 1G)

GV

From: winpcap-users-bounces at winpcap.org [mailto:winpcap-users-bounces at winpcap.org] On Behalf Of ???
Sent: Wednesday, January 30, 2013 6:51 PM
To: winpcap-users at winpcap.org
Subject: Re: [Winpcap-users] Message: 5 question about the api 'PacketSendPacket'

Hi, GV
I try to send jumbo packet through windows xp's loopback interface.
Does it support the way I do?
If not, could I try the 1G ethernet interface and enable the jumbo capability?

Regards.

xfma

2013-01-31
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发件人： winpcap-users-request at winpcap.org<mailto:winpcap-users-request at winpcap.org>
发送时间： 2013-01-31  06:17:44
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抄送：
主题： Winpcap-users Digest, Vol 94, Issue 8
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Today's Topics:
   1. Missing pcap_start_oem()? (Rich Chomiczewski)
   2. Re: Missing pcap_start_oem()? (Gianluca Varenni)
   3. Re: Missing pcap_start_oem()? (Rich Chomiczewski)
   4. Re: Windows 8 (Gianluca Varenni)
   5. Re: question about the api  'PacketSendPacket' (Gianluca Varenni)
----------------------------------------------------------------------
Message: 1
Date: Wed, 30 Jan 2013 16:12:02 -0500
From: Rich Chomiczewski <rchomiczewski at gmail.com>
To: winpcap-users at winpcap.org
Subject: [Winpcap-users] Missing pcap_start_oem()?
Message-ID:
<CAF2XbyXkgckBKCSVUhgS9vMRH5pqB+68_6TAZSbfd5NWiNiiBw at mail.gmail.com>
Content-Type: text/plain; charset="iso-8859-1"
I'm working on upgrading from 4.0.2 to 4.1.2 and noticed that
pcap_start_oem() is no longer exported from wpcap.dll.
What was the original purpose of that API?
Why was it removed?
--
Rich
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Message: 2
Date: Wed, 30 Jan 2013 22:01:52 +0000
From: Gianluca Varenni <Gianluca.Varenni at riverbed.com<mailto:Gianluca.Varenni at riverbed.com>>
To: "winpcap-users at winpcap.org<mailto:winpcap-users at winpcap.org>" <winpcap-users at winpcap.org<mailto:winpcap-users at winpcap.org>>
Subject: Re: [Winpcap-users] Missing pcap_start_oem()?
Message-ID:
<8A9226C4990BF648BD21174A6F44BDFD73EA1E6A at 365EXCH-MBX-P3.nbttech.com<mailto:8A9226C4990BF648BD21174A6F44BDFD73EA1E6A at 365EXCH-MBX-P3.nbttech.com>>
Content-Type: text/plain; charset="us-ascii"
That API is not part of the standard WinPcap library. It was part of WinPcap Professional, which is no longer on sale.
Have a nice day
GV
From: winpcap-users-bounces at winpcap.org [mailto:winpcap-users-bounces at winpcap.org] On Behalf Of Rich Chomiczewski
Sent: Wednesday, January 30, 2013 1:12 PM
To: winpcap-users at winpcap.org
Subject: [Winpcap-users] Missing pcap_start_oem()?
I'm working on upgrading from 4.0.2 to 4.1.2 and noticed that pcap_start_oem() is no longer exported from wpcap.dll.
What was the original purpose of that API?
Why was it removed?
--
Rich
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Message: 3
Date: Wed, 30 Jan 2013 17:08:24 -0500
From: Rich Chomiczewski <rchomiczewski at gmail.com>
To: winpcap-users at winpcap.org
Subject: Re: [Winpcap-users] Missing pcap_start_oem()?
Message-ID:
<CAF2XbyVorSPRtt_iRKPCvWP3S8k1S-YZ+YNsSQ2BZWmo083vig at mail.gmail.com>
Content-Type: text/plain; charset="iso-8859-1"
What functionality have we lost with its removal?
On Wed, Jan 30, 2013 at 5:01 PM, Gianluca Varenni <
Gianluca.Varenni at riverbed.com> wrote:
>  That API is not part of the standard WinPcap library. It was part of
> WinPcap Professional, which is no longer on sale.****
>
> ** **
>
> Have a nice day****
>
> GV****
>
> ** **
>
> *From:* winpcap-users-bounces at winpcap.org<mailto:winpcap-users-bounces at winpcap.org> [mailto:
> winpcap-users-bounces at winpcap.org<mailto:winpcap-users-bounces at winpcap.org>] *On Behalf Of *Rich Chomiczewski
> *Sent:* Wednesday, January 30, 2013 1:12 PM
> *To:* winpcap-users at winpcap.org<mailto:winpcap-users at winpcap.org>
> *Subject:* [Winpcap-users] Missing pcap_start_oem()?****
>
> ** **
>
> I'm working on upgrading from 4.0.2 to 4.1.2 and noticed that
> pcap_start_oem() is no longer exported from wpcap.dll.****
>
> ** **
>
> What was the original purpose of that API?****
>
> ** **
>
> Why was it removed?****
>
> ** **
>
> --
> Rich****
>
> _______________________________________________
> Winpcap-users mailing list
> Winpcap-users at winpcap.org<mailto:Winpcap-users at winpcap.org>
> https://www.winpcap.org/mailman/listinfo/winpcap-users
>
>
--
Rich
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Message: 4
Date: Wed, 30 Jan 2013 22:12:24 +0000
From: Gianluca Varenni <Gianluca.Varenni at riverbed.com>
To: "winpcap-users at winpcap.org" <winpcap-users at winpcap.org>
Subject: Re: [Winpcap-users] Windows 8
Message-ID:
<8A9226C4990BF648BD21174A6F44BDFD73EA1E97 at 365EXCH-MBX-P3.nbttech.com>
Content-Type: text/plain; charset="us-ascii"
Chris,
I've been thinking about it, but it's a major effort (read it as "rewrite a good chunk of the kernel capture driver"). WHQL certification has not that important so far (we don't certify the driver, we just sign it), we install the driver in such a way that doesn't require WHQL certification.
Regarding XP, there is still a big community using it in corporate and non-corporate environments, so dropping support for it is definitely not an option.
The advantages of migrating to NDIS6 would be
- probably better performance (but it's not guaranteed) and in general avoiding to go thru the thunking layer between NDIS5 (what we currently use) and NDIS6
- support for RT (although I'm not sure if just supporting NDIS6 would be enough)
- cleanup of the driver sources
Have a nice day
GV
-----Original Message-----
From: winpcap-users-bounces at winpcap.org [mailto:winpcap-users-bounces at winpcap.org] On Behalf Of belinea123 at gmx.de
Sent: Wednesday, January 30, 2013 1:58 AM
To: winpcap-users at winpcap.org
Subject: Re: [Winpcap-users] Windows 8
> There will be, most probably by mid/end February.
>
> GV
>
Do you have plans to make a NDIS 6 version?
According to the following link, NDIS 6 offers different possibilities for performance optimization and other features. NDIS 6 is required in order to obtain a WHQL certification.
http://www.osronline.com/showthread.cfm?link=220627
According to this link, NDIS 6 is required if you want the driver to run on Windows RT:
http://www.osronline.com/showThread.cfm?link=237365
AFAIK the NDIS 6 driver won't run on Windows XP. But Windows XP will stop receiving security updates in 2013, so the old NDIS 5 driver will not have to be maintained for a long time.
Regards
Chris Troester
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------------------------------
Message: 5
Date: Wed, 30 Jan 2013 22:15:25 +0000
From: Gianluca Varenni <Gianluca.Varenni at riverbed.com>
To: "winpcap-users at winpcap.org" <winpcap-users at winpcap.org>
Subject: Re: [Winpcap-users] question about the api
'PacketSendPacket'
Message-ID:
<8A9226C4990BF648BD21174A6F44BDFD73EA1EB7 at 365EXCH-MBX-P3.nbttech.com>
Content-Type: text/plain; charset="gb2312"
The limit comes directly from the underlying NIC driver.
Are you trying to transmit on a 1G/10G Ethernet port? Did you enable support for jumbo frames in your NIC properties?
Have a nice day
GV
From: winpcap-users-bounces at winpcap.org [mailto:winpcap-users-bounces at winpcap.org] On Behalf Of ???
Sent: Wednesday, January 30, 2013 6:52 AM
To: winpcap-users
Subject: [Winpcap-users] question about the api 'PacketSendPacket'
[cid:image001.png at 01CDFEF4.3F0CC810]
[cid:image002.png at 01CDFEF4.3F0CC810]
hi,
I used to send packet length larger than ethernet mtu 1500 with the api 'PacketSendPacket ', and return error. So I want to know how to do it sussessfully.
Thanks!!!
2013-01-30
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[cid:image003.png at 01CDFEF4.3F0CC810]<mailto:[cid:image003.png at 01CDFEF4.3F0CC810]>
[cid:image001.png at 01CDFEF4.3F0CC810]<mailto:[cid:image001.png at 01CDFEF4.3F0CC810]>
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