Re: intel checksum offload

2011-09-19 Thread Hooman Fazaeli
It is interesting that how a thread goes off topic! Anyway, I will appreciate if folks, especially Jack, provide a firm comment on the original question: Does intel chips (specifically 82576) support IP TX checksum offload? If so, why the driver does not support it? On 9/19/2011 8:59 AM, Jack

Re: Fwd: my git development snapshot(s)

2011-09-19 Thread Andriy Gapon
on 19/09/2011 01:25 Gleb Kurtsou said the following: Let me share my experience as well. My repo: https://github.com/glk/freebsd-head/ I used rebase to keep local branches as well, but no longer do so. Such setup worked for me at least for two years, I had local changes and worked on a

Re: Fwd: my git development snapshot(s)

2011-09-19 Thread Andriy Gapon
on 19/09/2011 10:41 Andriy Gapon said the following: on 19/09/2011 01:25 Gleb Kurtsou said the following: Let me share my experience as well. My repo: https://github.com/glk/freebsd-head/ I used rebase to keep local branches as well, but no longer do so. Such setup worked for me at least

Re: intel checksum offload

2011-09-19 Thread Adrian Chadd
Arnaud (and others), Liaising with vendors is not an easy task. The reason why Intel (and other vendors) don't supply detailed history and reasoning for their development efforts is that their engineers are likely tasked with making it work versus writing lots of stuff down for public release. In

Re: intel checksum offload

2011-09-19 Thread Jack Vogel
On Sun, Sep 18, 2011 at 7:48 PM, Arnaud Lacombe lacom...@gmail.com wrote: Hi, On Sun, Sep 18, 2011 at 10:01 PM, Luigi Rizzo ri...@iet.unipi.it wrote: On Sun, Sep 18, 2011 at 06:05:33PM -0400, Arnaud Lacombe wrote: Hi, On Sun, Sep 18, 2011 at 5:06 PM, Luigi Rizzo ri...@iet.unipi.it

Re: intel checksum offload

2011-09-19 Thread John Baldwin
On Sunday, September 18, 2011 10:48:32 pm Arnaud Lacombe wrote: As the PCI spec is not public, I've not been able to find out from the few public datasheet how the PCI MSI-X capability field is first programmed. I'd assume that the BIOS is using the data in the NVM to program it at power up.

Re: Mixing Asynchronous Network I/O and POSIX Threads

2011-09-19 Thread John Baldwin
On Sunday, September 18, 2011 5:45:26 pm Richard Yao wrote: Dear Jilles, I am using sigwaitinfo() with all interrupts masked to avoid the possibility of race conditions in signal handlers, but I have not used any realtime signals. Linux 2.6.35 found a way to invoke the SIGIO handler despite

Re: buf_ring(9) API precisions

2011-09-19 Thread K. Macy
If the value lags next by one then it is ours. This rule applies to all callers so the rule holds consistently. On Mon, Sep 19, 2011 at 5:53 AM, Arnaud Lacombe lacom...@gmail.com wrote: Hi, On Fri, Sep 16, 2011 at 10:41 AM, K. Macy km...@freebsd.org wrote: On Fri, Sep 16, 2011 at 3:02 AM,

RE: TIME_WAIT Assassination in FreeBSD???

2011-09-19 Thread Jarrod Lee Petz
Hi Daniel, Thank you for the information. I agree with your comment below. But if you're simply running the ftp client on an otherwise idle host, and two subsequent bind() calls get assigned the same 'random' port, I'd say the port randomization is not working properly :) Does anyone have any

Re: intel checksum offload

2011-09-19 Thread Arnaud Lacombe
Hi, On Mon, Sep 19, 2011 at 5:28 AM, Adrian Chadd adr...@freebsd.org wrote: Arnaud (and others), Liaising with vendors is not an easy task. The reason why Intel (and other vendors) don't supply detailed history and reasoning for their development efforts is that their engineers are likely

Re: dtrace in FreeBSD 7.2

2011-09-19 Thread Charlie Martin
Thanks On 2011-09-16 23:14, Julian Elischer wrote: On 9/16/11 1:30 PM, Charlie Martin wrote: I need to add some custom static dtrace probes in 7.2 apps; the online documentation refers only to 9 however. Can someone tell me how to replace what's done in bsd.dtrace.mk for 7.2? I' am not

Re: dtrace in FreeBSD 7.2

2011-09-19 Thread Charlie Martin
Dude, you say that like it was an option. On 2011-09-16 18:46, Matthias Andree wrote: Am Freitag, den 16.09.2011, 14:30 -0600 schrieb Charlie Martin: I need to add some custom static dtrace probes in 7.2 apps; the online documentation refers only to 9 however. Can someone tell me how to

Re: checksum offload

2011-09-19 Thread Dieter BSD
The data sheet for intel 82576 advertises IP TX/RX checksum offload but the driver does not set CSUM_IP in ifp-if_hwassist. Does this mean that driver (and chip) do not support IP TX checksum offload or the support for TX is not yet included in the driver? The first question is is checksum

Re: dtrace in FreeBSD 7.2

2011-09-19 Thread Julian Elischer
On 9/19/11 9:17 AM, Charlie Martin wrote: Dude, you say that like it was an option. It's understood about the realities of commercial decisions, however, if you really want to trace APPS that means user space dtrace and 7.2 just doesn't have the hooks to do non-kernel dtrace. As a side

Re: dtrace in FreeBSD 7.2

2011-09-19 Thread Charlie Martin
On 2011-09-19 10:38, Julian Elischer wrote: On 9/19/11 9:17 AM, Charlie Martin wrote: Dude, you say that like it was an option. It's understood about the realities of commercial decisions, however, if you really want to trace APPS that means user space dtrace and 7.2 just doesn't have the

Re: intel checksum offload

2011-09-19 Thread YongHyeon PYUN
On Mon, Sep 19, 2011 at 10:17:22AM -0400, Arnaud Lacombe wrote: Hi, On Mon, Sep 19, 2011 at 5:28 AM, Adrian Chadd adr...@freebsd.org wrote: Arnaud (and others), Liaising with vendors is not an easy task. The reason why Intel (and other vendors) don't supply detailed history and

Re: intel checksum offload

2011-09-19 Thread Arnaud Lacombe
Hi, On Mon, Sep 19, 2011 at 12:59 PM, YongHyeon PYUN pyu...@gmail.com wrote: On Mon, Sep 19, 2011 at 10:17:22AM -0400, Arnaud Lacombe wrote: Hi, On Mon, Sep 19, 2011 at 5:28 AM, Adrian Chadd adr...@freebsd.org wrote: Arnaud (and others), Liaising with vendors is not an easy task. The

Re: my git development snapshot(s)

2011-09-19 Thread Arnaud Lacombe
Hi, [adding Fabien Thomas to the CC: list] On Sun, Sep 18, 2011 at 5:14 AM, Andriy Gapon a...@freebsd.org wrote: Just decided to follow the global trends and trying to throw all of my local/private changes at you in hope that the crowd-sourcing magic might somehow happen :-)  This seems