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From: "Björn Töpel" <bjorn.topel@gmail.com>
To: Andrii Nakryiko <andrii.nakryiko@gmail.com>
Cc: "Alexei Starovoitov" <ast@kernel.org>,
	"Daniel Borkmann" <daniel@iogearbox.net>,
	Networking <netdev@vger.kernel.org>, bpf <bpf@vger.kernel.org>,
	"Björn Töpel" <bjorn.topel@intel.com>,
	"Magnus Karlsson" <magnus.karlsson@intel.com>,
	"Maciej Fijalkowski" <maciej.fijalkowski@intel.com>,
	"Jakub Kicinski" <kuba@kernel.org>,
	"Jonathan Lemon" <jonathan.lemon@gmail.com>,
	maximmi@nvidia.com, "David S. Miller" <davem@davemloft.net>,
	"Jesper Dangaard Brouer" <hawk@kernel.org>,
	"john fastabend" <john.fastabend@gmail.com>,
	"Ciara Loftus" <ciara.loftus@intel.com>,
	"Weqaar Janjua" <weqaar.a.janjua@intel.com>
Subject: Re: [PATCH bpf-next v2 7/8] selftest/bpf: add XDP socket tests for bpf_redirect_{xsk, map}()
Date: Thu, 21 Jan 2021 13:31:19 +0100	[thread overview]
Message-ID: <CAJ+HfNh0VY2=t80g4HmgWqwZ4Fe09+aD1Vk=p11LJeyayxQxTA@mail.gmail.com> (raw)
In-Reply-To: <CAEf4BzYaV+zA8tEX2xVyA7EeDw1_aQMUQHq8_RHNe=ZfnQWTQw@mail.gmail.com>

On Thu, 21 Jan 2021 at 08:39, Andrii Nakryiko <andrii.nakryiko@gmail.com> wrote:
>
> On Tue, Jan 19, 2021 at 7:55 AM Björn Töpel <bjorn.topel@gmail.com> wrote:
> >
> > From: Björn Töpel <bjorn.topel@intel.com>
> >
> > Add support for externally loaded XDP programs to
> > xdpxceiver/test_xsk.sh, so that bpf_redirect_xsk() and
> > bpf_redirect_map() can be exercised.
> >
> > Signed-off-by: Björn Töpel <bjorn.topel@intel.com>
> > ---
> >  .../selftests/bpf/progs/xdpxceiver_ext1.c     | 15 ++++
> >  .../selftests/bpf/progs/xdpxceiver_ext2.c     |  9 +++
> >  tools/testing/selftests/bpf/test_xsk.sh       | 48 ++++++++++++
> >  tools/testing/selftests/bpf/xdpxceiver.c      | 77 ++++++++++++++++++-
> >  tools/testing/selftests/bpf/xdpxceiver.h      |  2 +
> >  5 files changed, 147 insertions(+), 4 deletions(-)
> >  create mode 100644 tools/testing/selftests/bpf/progs/xdpxceiver_ext1.c
> >  create mode 100644 tools/testing/selftests/bpf/progs/xdpxceiver_ext2.c
> >
> > diff --git a/tools/testing/selftests/bpf/progs/xdpxceiver_ext1.c b/tools/testing/selftests/bpf/progs/xdpxceiver_ext1.c
> > new file mode 100644
> > index 000000000000..18894040cca6
> > --- /dev/null
> > +++ b/tools/testing/selftests/bpf/progs/xdpxceiver_ext1.c
> > @@ -0,0 +1,15 @@
> > +// SPDX-License-Identifier: GPL-2.0
> > +#include <linux/bpf.h>
> > +#include <bpf/bpf_helpers.h>
> > +
> > +struct {
> > +       __uint(type, BPF_MAP_TYPE_XSKMAP);
> > +       __uint(max_entries, 32);
> > +       __uint(key_size, sizeof(int));
> > +       __uint(value_size, sizeof(int));
> > +} xsks_map SEC(".maps");
> > +
> > +SEC("xdp_sock") int xdp_sock_prog(struct xdp_md *ctx)
>
> hmm.. that's unconventional... please keep SEC() on separate line
>
> > +{
> > +       return bpf_redirect_map(&xsks_map, ctx->rx_queue_index, XDP_DROP);
> > +}
> > diff --git a/tools/testing/selftests/bpf/progs/xdpxceiver_ext2.c b/tools/testing/selftests/bpf/progs/xdpxceiver_ext2.c
> > new file mode 100644
> > index 000000000000..bd239b958c01
> > --- /dev/null
> > +++ b/tools/testing/selftests/bpf/progs/xdpxceiver_ext2.c
> > @@ -0,0 +1,9 @@
> > +// SPDX-License-Identifier: GPL-2.0
> > +#include <linux/bpf.h>
> > +#include <bpf/bpf_helpers.h>
> > +
> > +SEC("xdp_sock") int xdp_sock_prog(struct xdp_md *ctx)
>
> same here
>

Thanks Andrii! I'll make sure to have the SECs on separate lines going forward!

Björn

  reply	other threads:[~2021-01-21 12:35 UTC|newest]

Thread overview: 45+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-01-19 15:50 [PATCH bpf-next v2 0/8] Introduce bpf_redirect_xsk() helper Björn Töpel
2021-01-19 15:50 ` [PATCH bpf-next v2 1/8] xdp: restructure redirect actions Björn Töpel
2021-01-20 12:44   ` Toke Høiland-Jørgensen
2021-01-20 13:40     ` Björn Töpel
2021-01-20 14:52       ` Toke Høiland-Jørgensen
2021-01-20 15:49         ` Björn Töpel
2021-01-20 16:30           ` Toke Høiland-Jørgensen
2021-01-20 17:26             ` Björn Töpel
2021-01-19 15:50 ` [PATCH bpf-next v2 2/8] xsk: remove explicit_free parameter from __xsk_rcv() Björn Töpel
2021-01-19 15:50 ` [PATCH bpf-next v2 3/8] xsk: fold xp_assign_dev and __xp_assign_dev Björn Töpel
2021-01-19 15:50 ` [PATCH bpf-next v2 4/8] xsk: register XDP sockets at bind(), and add new AF_XDP BPF helper Björn Töpel
2021-01-20  8:25   ` kernel test robot
2021-01-20  8:41     ` Björn Töpel
2021-01-20  8:50   ` kernel test robot
2021-01-20 12:50   ` Toke Høiland-Jørgensen
2021-01-20 13:25     ` Björn Töpel
2021-01-20 14:54       ` Toke Høiland-Jørgensen
2021-01-20 15:18         ` Björn Töpel
2021-01-20 17:29           ` Toke Høiland-Jørgensen
2021-01-20 18:22             ` Björn Töpel
2021-01-20 20:26               ` Toke Høiland-Jørgensen
2021-01-20 21:15                 ` Alexei Starovoitov
2021-01-21  8:18                   ` Björn Töpel
2021-01-19 15:50 ` [PATCH bpf-next v2 5/8] libbpf, xsk: select AF_XDP BPF program based on kernel version Björn Töpel
2021-01-20 12:52   ` Toke Høiland-Jørgensen
2021-01-20 13:25     ` Björn Töpel
2021-01-20 14:49       ` Björn Töpel
2021-01-20 15:11         ` Toke Høiland-Jørgensen
2021-01-20 15:27           ` Björn Töpel
2021-01-20 17:30             ` Toke Høiland-Jørgensen
2021-01-20 18:25             ` Alexei Starovoitov
2021-01-20 18:30               ` Björn Töpel
2021-01-20 14:56       ` Toke Høiland-Jørgensen
2021-01-19 15:50 ` [PATCH bpf-next v2 6/8] libbpf, xsk: select bpf_redirect_xsk(), if supported Björn Töpel
2021-01-19 15:50 ` [PATCH bpf-next v2 7/8] selftest/bpf: add XDP socket tests for bpf_redirect_{xsk, map}() Björn Töpel
2021-01-21  7:39   ` Andrii Nakryiko
2021-01-21 12:31     ` Björn Töpel [this message]
2021-01-19 15:50 ` [PATCH bpf-next v2 8/8] selftest/bpf: remove a lot of ifobject casting in xdpxceiver Björn Töpel
2021-01-20 13:15 ` [PATCH bpf-next v2 0/8] Introduce bpf_redirect_xsk() helper Maxim Mikityanskiy
2021-01-20 13:27   ` Björn Töpel
2021-01-20 15:57   ` Jesper Dangaard Brouer
2021-01-20 16:19     ` Maciej Fijalkowski
2021-01-21 17:01       ` Jesper Dangaard Brouer
2021-01-22  8:59         ` Magnus Karlsson
2021-01-22  9:45           ` Maciej Fijalkowski

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