Thank you much Neale.
Your inputs really helped.
On Tue, May 25, 2021, 23:57 Neale Ranns wrote:
>
>
> Hi Vijay,
>
>
>
> It is called from ipX-midchain.
>
>
>
> /neale
>
>
>
> *From: *Vijay Kumar
> *Date: *Tuesday, 25 May 2021 at 17:08
> *To: *Neale Ranns
> *Cc: *vpp-dev
> *Subject: *Re:
Hi Vijay,
It is called from ipX-midchain.
/neale
From: Vijay Kumar
Date: Tuesday, 25 May 2021 at 17:08
To: Neale Ranns
Cc: vpp-dev
Subject: Re: [vpp-dev] Regarding vnet/gre
Hi Neale,
Thanks for the useful input. I will implement a new fixup function similar to
the one mentioned.
I believe
Hello Ole,
I implemented the solution you suggested (i.e chaining the buffers) and it
seems to work correctly now so thank you !
However, I had another issue : when some TCP or UDP packets arrive in VPP, the
latter seems to set their checksum to zero and it also sets the "offload" flag
of th
Hi Sastry,
So the source address should be configurable, but for if the app requires a
certain vrf, you should consider the option of using session layer namespaces.
See for instance test/test_vcl.py and how we configure those. Note however that
will restrict the app to use only one vrf.
Reg
Hi Sastry,
Inline.
> On May 25, 2021, at 7:44 AM, Sastry Sista wrote:
>
> Hi Florin,
> Thank you.
>
> Let me be very specific and focused topic:
>
> I have just single worker but having multiple TCP sessions. So, I will poll
> on vppcom_mq_epoll_fd() for all notifications. S
Hi Neale,
Thanks for the useful input. I will implement a new fixup function similar
to the one mentioned.
I believe the gre44_fixup function callback is registered via
*adj_nbr_midchain_update_rewrite()*
I saw the code of *adj-midchain-tx* graph node but could not find the fixup
function being c
Hi Andrew,
Thanks for your reply. I would modify the configuration as per your suggestions.
Thanks,
Mahamuda
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Hi Florin,
Thank you.
Let me be very specific and focused topic:
I have just single worker but having multiple TCP sessions. So, I will poll on
vppcom_mq_epoll_fd() for all notifications. So, notifications are for me to do
data read/write also? If there is a data on shm for any session, we will
HI Ben,
We have linked our shared library that has the main function with VPP's
.so. The main function does few things and falls to the VPP's main function
loop.
After changing the compiler t*o gcc-8 I dont get the unresolved symbol
error*.
However, i get the f*ollowing ASAN error:*
==7111==*ASa
> I have used the latest master which includes the patch.
Ok thanks. To confirm this is an issue with the zero-copy mode, can you try to
create the af_xdp interface in copy mode by adding the 'no-zero-copy' keyword
in the create command, eg.
~# vppctl create int af_xdp host-if no-zero-copy
If
Hi, Ben
I have used the latest master which includes the patch.
commit 1a06e53341224bb08cff2fb6d218415c50f947d3
Author: Benoît Ganne
Date: Wed May 19 16:41:03 2021 +0200
af_xdp: use desc offset on rx
Instead of pre-programming the data offset on rx, use offset passed in
the desc
Hi Xuekun,
Can you try with the latest master which now contains
https://gerrit.fd.io/r/c/vpp/+/32384 if you did not already tried it?
I suspect that could be an offset issue and this change should be more robust
for those.
Best
ben
> -Original Message-
> From: Hu, Xuekun
> Sent: mard
Hi Vijay,
I’d advise you to create a new fixup function (c.f. gre44_fixup) that deals
with the extra headers you want.
/neale
From: vpp-dev@lists.fd.io on behalf of Vijay Kumar via
lists.fd.io
Date: Tuesday, 25 May 2021 at 14:07
To: vpp-dev
Subject: [vpp-dev] Regarding vnet/gre
Hi,
I hav
Hi all,
Just a kind reminder that the stable/2106 branch pull will happen in about 23
hours from now.
--a // your friendly 21.06 release manager
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Mut
to be precise: “memory { main-heap-size 16G }” or something along these lines
is what might be useful for your config.
--a
> On 25 May 2021, at 14:40, Andrew 👽 Yourtchenko wrote:
>
> There is no way to gracefully fail an insertion into a bihash - it either
> succeeds or you get a crash.
>
>
There is no way to gracefully fail an insertion into a bihash - it either
succeeds or you get a crash.
The max session limit attempts to guard against that, by failing the addition
using the heuristic number. You dialed this number up to 20 mil, so no more
safe guard - which is what you observe
Hi, Ben.
I figured out the problem in my setup that on the ixgbe driver.
1. ixgbe 5.1.0 (which don't have XDP enabled yet) + VPP master (that have your
below patch) : work
2. ixgbe 5.8.1 (which have XDP enabled) + VPP master : doesn't work
Strange. Have any ideas?
Thanks.
Thx, Xuekun
-
Hi,
I have a requirement to add extension fields (like QFI, RQI) into the GRE
packet header leaving the VPP.
Upon analyzing the packet trace, I found that gre4_input graph node is
called whenever GRE packets enter VPP but for outgoing packets, the GRE
header is added by the tunnel's mid-chain adj
How are you starting VPP? If this is through 'make test' then chances are the
culprit is the interaction of asan, clang and python [1].
The easy way to fix is to rebuild with gcc instead of clang, eg.
~# make rebuild VPP_EXTRA_CMAKE_ARGS=-DVPP_ENABLE_SANITIZE_ADDR=ON CC=gcc-9
Best
ben
[1]
https
If your backtrace is to be trusted, your stack is corrupted:
> #0 0x73bce8c9 in clib_memcpy_fast (dst=0x1881349000d2f00,
> src=0x13010b390b3b0b, n=4182438362655424791)
Pointers and size look definitely wrong here.
If the crash always happen at the same place, I'd recommend to break right
Hi All,
I am not able to run VPP with ASAN. Though we have been using VPP for
sometime this is the first time we enabled ASAN in the build.
I have followed the steps as mentioned in the sanitizer doc, can someone
please let me know what is missed here.
*Run Time Error(Missing symbol):*
/usr/loca
Hello Everyone,
We have back-merged ASAN related changes to vpp_1908 . We are using
devtool-set-9 for our compilation of SANITIZER build. Application is
getting abort in
File : src/vpp/api/api_format.c
Function : void vat_api_hookup (vat_main_t * vam)
Code :
22191 /* API messages we can send */
22 matches
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