linux-kernel - Re: [PATCH net-next v6 00/12] selftests: ncdevmem: Add ncdevmem to ksft

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Message-ID: <ZyJSpBrhz7UJ0r7c@mini-arch>
Date: Wed, 30 Oct 2024 08:37:08 -0700
From: Stanislav Fomichev <stfomichev@...il.com>
To: Mina Almasry <almasrymina@...gle.com>
Cc: Stanislav Fomichev <sdf@...ichev.me>, netdev@...r.kernel.org,
	davem@...emloft.net, edumazet@...gle.com, kuba@...nel.org,
	pabeni@...hat.com, linux-kernel@...r.kernel.org,
	linux-kselftest@...r.kernel.org, andrew+netdev@...n.ch,
	shuah@...nel.org, horms@...nel.org, willemb@...gle.com,
	petrm@...dia.com
Subject: Re: [PATCH net-next v6 00/12] selftests: ncdevmem: Add ncdevmem to
 ksft

On 10/30, Mina Almasry wrote:
> On Wed, Oct 30, 2024 at 8:13 AM Stanislav Fomichev <stfomichev@...il.com> wrote:
> >
> > On 10/30, Mina Almasry wrote:
> > > On Wed, Oct 30, 2024 at 7:27 AM Stanislav Fomichev <sdf@...ichev.me> wrote:
> > > >
> > > > The goal of the series is to simplify and make it possible to use
> > > > ncdevmem in an automated way from the ksft python wrapper.
> > > >
> > > > ncdevmem is slowly mutated into a state where it uses stdout
> > > > to print the payload and the python wrapper is added to
> > > > make sure the arrived payload matches the expected one.
> > > >
> > > > v6:
> > > > - fix compilation issue in 'Unify error handling' patch (Jakub)
> > > >
> > >
> > > Since I saw a compilation failures on a couple of iterations I
> > > cherry-picked this locally and tested compilation. I'm seeing this:
> >
> > Are you cherry picking the whole series or just this patch? It looks
> > too broken.
> >
> > > sudo CFLAGS="-static" make -C ./tools/testing/selftests/drivers/net/hw
> > > TARGETS=ncdevmem 2>&1
> > > make: Entering directory
> > > '/usr/local/google/home/almasrymina/cos-kernel/tools/testing/selftests/drivers/net/hw'
> > >   CC       ncdevmem
> > > In file included from ncdevmem.c:63:
> > > /usr/local/google/home/almasrymina/cos-kernel/tools/testing/selftests/../../../tools/net/ynl/generated/ethtool-user.h:23:43:
> > > warning: ‘enum ethtool_header_flags’ declared inside parameter list
> > > will not be visible outside of this definition or declaration
> > >    23 | const char *ethtool_header_flags_str(enum ethtool_header_flags value);
> > >       |                                           ^~~~~~~~~~~~~~~~~~~~
> > > /usr/local/google/home/almasrymina/cos-kernel/tools/testing/selftests/../../../tools/net/ynl/generated/ethtool-user.h:25:41:
> > > warning: ‘enum ethtool_module_fw_flash_status’ declared inside
> > > parameter list will not be visible outside of this definition or
> > > declaration
> > >    25 | ethtool_module_fw_flash_status_str(enum
> > > ethtool_module_fw_flash_status value);
> > >       |                                         ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
> > > /usr/local/google/home/almasrymina/cos-kernel/tools/testing/selftests/../../../tools/net/ynl/generated/ethtool-user.h:6766:45:
> > > error: field ‘status’ has incomplete type
> > >  6766 |         enum ethtool_module_fw_flash_status status;
> > >       |                                             ^~~~~~
> >
> > This has been fixed via '#include <linux/ethtool_netlink.h>'
> >
> > > ncdevmem.c: In function ‘do_server’:
> > > ncdevmem.c:517:37: error: storage size of ‘token’ isn’t known
> > >   517 |                 struct dmabuf_token token;
> >
> > And this, and the rest, don't make sense at all?
> >
> > I'll double check on my side.
> 
> Oh, whoops, I forgot to headers_install first. This works for me:
> 
> ➜  cos-kernel git:(tcpdevmem-fixes-1) ✗ sudo make headers_install &&
> sudo CFLAGS="-static" make -C ./tools/testing/selftests/drivers/net/hw
> TARGETS=ncdevmem 2>&1
>   INSTALL ./usr/include
> make: Entering directory
> '/usr/local/google/home/almasrymina/cos-kernel/tools/testing/selftests/drivers/net/hw'
> make: Nothing to be done for 'all'.
> make: Leaving directory
> '/usr/local/google/home/almasrymina/cos-kernel/tools/testing/selftests/drivers/net/hw'
> ➜  cos-kernel git:(tcpdevmem-fixes-1) ✗ find . -iname ncdevmem
> ./tools/testing/selftests/drivers/net/hw/ncdevmem
> 
> Sorry for the noise :D

Whew, thanks and no worries!