review of an update to "struct export_args"

[Rick Macklem]

Hi,

I have put a patch up on phabricator
https://reviews.freebsd.org/D25088

I have listed kib@ and freqlabs@ as reviewers, but if anyone else
wishes to review it, be my guest.

It updates "struct export_args" to make the ex_flags field 64bits and
the mapped user (is called ex_anon in the current structure) is no longer
limited to 16 additional groups.

rick
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Re: r360902 breaks VLAN interface on if_em (82579LM)

[Lev Serebryakov]

Hello Ian,

Thursday, May 28, 2020, 2:45:48 AM, you wrote:

> I noticed that my VLAN interfaces stopped working after a recent build. 
> tcpdump showed traffic leaving leaving and entering the interface but no 
> host on the network actually received any packets from this host.  A 
> binary search led me to r360902 and indeed the following change fixed 
> the issue for me:
 Problem is, this change will return terrible situation when adding new VLAN
will flap connection status.

 It all worked before iflib: hardware VLAN filtering worked, and
adding/removing new VLAN didn't cause link to flap.

 Now, with iflib, looks like we can not have all good things at once :(

-- 
Best regards,
 Levmailto:l...@freebsd.org
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