> I would like to convert our in-house tool into a high performance traffic
> generator and it is written in Python.
> Is it possible to use any of the user space TCP stack by compiling into
> shared libraries and access it via Python using ctypes?
> Could you please let me know any viable solution
> From: Matan Azrad
>> From: Benoît Ganne
>> mlx5 PMD refuses to update link state if link speed is defined but
>> status is down or if link speed is undefined but status is up,
>> even if the ioctl() succeeded.
>> This prevents application to detect link up/down event, especially
>> when the lin
Hi Matan,
mlx5 PMD refuses to update link state if link speed is defined but
status is down or if link speed is undefined but status is up, even
if the ioctl() succeeded.
This prevents application to detect link up/down event, especially
when the link speed is not correctl
> Why link speed is undefined?
> Old kernel?
> Kernel mlx5 driver issue?
> Do you know?
Seems to be a bug in kernel mlx5 driver:
http://mails.dpdk.org/archives/users/2020-March/004758.html
I still think this test is too strict, and from what I can see mlx4 PMD do not
implement it (even if it use
Hi all,
>> Alternatively, we could expand the meaning of ETH_SPEED_NUM_NONE:
>> -#define ETH_SPEED_NUM_NONE 0 /**< Not defined */
>> +#define ETH_SPEED_NUM_NONE 0 /**< Not defined or unknown
>> (virtual device) */
> Yes I agree with extending the comment for NONE.
>> The special va
Hi Matan,
>> Seems to be a bug in kernel mlx5 driver:
> 1. To check with our driver team what is the issue to report a VF link
Note that even with the kernel patch, there still seem to be a valid case where
it can return SPEED_UNKNOWN.
If this is true, then I don't think we can rely on valid lin
>> 2. To change documentation of ethdev API to say that only link status
>> is mandatory report. (all others "nice to have" or "best effort"):
>> This is for you - I suggest to send prior patch to ethdev
>> for this and let the community to decide.
> Matan, Benoit, I guess nobody tried to
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