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Message-ID: <ZW2NCm/pIthdpNgF@gauss3.secunet.de>
Date: Mon, 4 Dec 2023 09:25:46 +0100
From: Steffen Klassert <steffen.klassert@...unet.com>
To: Daniel Xu <dxu@...uu.xyz>
CC: Alexei Starovoitov <alexei.starovoitov@...il.com>, Network Development
	<netdev@...r.kernel.org>, LKML <linux-kernel@...r.kernel.org>, bpf
	<bpf@...r.kernel.org>, clang-built-linux <llvm@...ts.linux.dev>, "open
 list:KERNEL SELFTEST FRAMEWORK" <linux-kselftest@...r.kernel.org>,
	<antony.antony@...unet.com>, Yonghong Song <yonghong.song@...ux.dev>, Eddy Z
	<eddyz87@...il.com>, <devel@...ux-ipsec.org>, Eyal Birger
	<eyal.birger@...il.com>
Subject: Re: [PATCH ipsec-next v3 0/9] Add bpf_xdp_get_xfrm_state() kfunc

On Fri, Dec 01, 2023 at 05:16:04PM -0700, Daniel Xu wrote:
> On Fri, Dec 01, 2023 at 04:10:18PM -0800, Alexei Starovoitov wrote:
> > On Fri, Dec 1, 2023 at 12:23 PM Daniel Xu <dxu@...uu.xyz> wrote:
> > >
> > >  include/net/xfrm.h                            |   9 +
> > >  net/xfrm/Makefile                             |   1 +
> > >  net/xfrm/xfrm_policy.c                        |   2 +
> > >  net/xfrm/xfrm_state_bpf.c                     | 128 ++++++++++++++
> > >  tools/lib/bpf/bpf_core_read.h                 |  34 ++++
> > >  .../selftests/bpf/prog_tests/test_tunnel.c    | 162 +++++++++++++++++-
> > >  .../selftests/bpf/prog_tests/verifier.c       |   2 +
> > >  tools/testing/selftests/bpf/progs/bpf_misc.h  |   1 +
> > >  .../selftests/bpf/progs/bpf_tracing_net.h     |   1 +
> > >  .../selftests/bpf/progs/test_tunnel_kern.c    | 138 ++++++++-------
> > >  .../bpf/progs/verifier_bitfield_write.c       | 100 +++++++++++
> > >  tools/testing/selftests/bpf/test_loader.c     |   7 +
> > >  tools/testing/selftests/bpf/test_tunnel.sh    |  92 ----------
> > >  13 files changed, 522 insertions(+), 155 deletions(-)
> > 
> > I really think this should go via bpf-next tree.
> > The bpf changes are much bigger than ipsec.
> 
> Ack. Ended up picking up a lot of stuff along the way.

I'm fine with merging this via the bpf-next tree.

Please consider to merge the bpf hepler functions
to one file. We have already xfrm_interface_bpf.c
and now you introduce xfrm_state_bpf.c.

Try to merge this into a single xfrm_bpf.c file.

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