linux-kernel - Re: [PATCH net-next v5 00/15] net: macsec: initial support for hardware offloading

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Date:   Sat, 11 Jan 2020 15:10:30 -0800 (PST)
From:   David Miller <davem@...emloft.net>
To:     antoine.tenart@...tlin.com
Cc:     sd@...asysnail.net, andrew@...n.ch, f.fainelli@...il.com,
        hkallweit1@...il.com, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org, thomas.petazzoni@...tlin.com,
        alexandre.belloni@...tlin.com, allan.nielsen@...rochip.com,
        camelia.groza@....com, Simon.Edelhaus@...antia.com,
        Igor.Russkikh@...antia.com, jakub.kicinski@...ronome.com
Subject: Re: [PATCH net-next v5 00/15] net: macsec: initial support for
 hardware offloading

From: David Miller <davem@...emloft.net>
Date: Sat, 11 Jan 2020 15:08:07 -0800 (PST)

> From: Antoine Tenart <antoine.tenart@...tlin.com>
> Date: Fri, 10 Jan 2020 17:19:55 +0100
> 
>> td;dr: When applying this series, do not apply patches 12 to 14.
>> 
>> This series intends to add support for offloading MACsec transformations
>> to hardware enabled devices. The series adds the necessary
>> infrastructure for offloading MACsec configurations to hardware drivers,
>> in patches 1 to 6; then introduces MACsec offloading support in the
>> Microsemi MSCC PHY driver, in patches 7 to 11.
>> 
>> The remaining 4 patches, 12 to 14, are *not* part of the series but
>> provide the mandatory changes needed to support offloading MACsec
>> operations to a MAC driver. Those patches are provided for anyone
>> willing to add support for offloading MACsec operations to a MAC, and
>> should be part of the first series adding a MAC as a MACsec offloading
>> provider.
> 
> You say four 4 patches, but 12 to 14 is 3.  I think you meant 12 to 15
> because 15 depends upon stuff added in 12 :-)
> 
> I applied everything except patch #7, which had the unnecessary phy
> exports, and also elided 12 to 15.

Actually I had to revert.

You are including net/macsec.h from a UAPI header, and that does not
work once userlance tries to use things.  And this even makes the
kernel build fail:

[davem@...alhost net-next]$ make -s -j14
In file included from <command-line>:32:
./usr/include/linux/if_macsec.h:17:10: fatal error: net/macsec.h: No such file or directory
 #include <net/macsec.h>
          ^~~~~~~~~~~~~~
compilation terminated.
make[2]: *** [usr/include/Makefile:104: usr/include/linux/if_macsec.hdrtest] Error 1
make[2]: *** Waiting for unfinished jobs....
make[1]: *** [scripts/Makefile.build:503: usr/include] Error 2
make: *** [Makefile:1693: usr] Error 2

Please fix this and respin.  And honestly just leave 12-15 out of the v6
submission, thanks.