From: Yonghong Song <yhs@fb.com>
To: Weqaar Janjua <weqaar.janjua@gmail.com>, <bpf@vger.kernel.org>,
<netdev@vger.kernel.org>, <daniel@iogearbox.net>,
<ast@kernel.org>, <magnus.karlsson@gmail.com>,
<bjorn.topel@intel.com>
Cc: Weqaar Janjua <weqaar.a.janjua@intel.com>, <shuah@kernel.org>,
<skhan@linuxfoundation.org>, <linux-kselftest@vger.kernel.org>,
<anders.roxell@linaro.org>, <jonathan.lemon@gmail.com>
Subject: Re: [PATCH bpf-next v2 2/5] selftests/bpf: xsk selftests - SKB POLL, NOPOLL
Date: Fri, 20 Nov 2020 10:54:09 -0800 [thread overview]
Message-ID: <c73ca08d-4eae-c56f-f5fe-b4dd1440773b@fb.com> (raw)
In-Reply-To: <20201120130026.19029-3-weqaar.a.janjua@intel.com>
On 11/20/20 5:00 AM, Weqaar Janjua wrote:
> Adds following tests:
>
> 1. AF_XDP SKB mode
> Generic mode XDP is driver independent, used when the driver does
> not have support for XDP. Works on any netdevice using sockets and
> generic XDP path. XDP hook from netif_receive_skb().
> a. nopoll - soft-irq processing
> b. poll - using poll() syscall
>
> Signed-off-by: Weqaar Janjua <weqaar.a.janjua@intel.com>
> ---
> tools/testing/selftests/bpf/Makefile | 5 +-
> .../selftests/bpf/test_xsk_prerequisites.sh | 15 +-
> .../selftests/bpf/test_xsk_skb_nopoll.sh | 20 +
> ..._xsk_framework.sh => test_xsk_skb_poll.sh} | 12 +-
> tools/testing/selftests/bpf/xdpxceiver.c | 961 ++++++++++++++++++
> tools/testing/selftests/bpf/xdpxceiver.h | 151 +++
> tools/testing/selftests/bpf/xsk_env.sh | 17 +
> 7 files changed, 1174 insertions(+), 7 deletions(-)
> create mode 100755 tools/testing/selftests/bpf/test_xsk_skb_nopoll.sh
> rename tools/testing/selftests/bpf/{test_xsk_framework.sh => test_xsk_skb_poll.sh} (61%)
> create mode 100644 tools/testing/selftests/bpf/xdpxceiver.c
> create mode 100644 tools/testing/selftests/bpf/xdpxceiver.h
>
> diff --git a/tools/testing/selftests/bpf/Makefile b/tools/testing/selftests/bpf/Makefile
> index 51436db24f32..17af570a32d7 100644
> --- a/tools/testing/selftests/bpf/Makefile
> +++ b/tools/testing/selftests/bpf/Makefile
> @@ -73,7 +73,8 @@ TEST_PROGS := test_kmod.sh \
> test_bpftool.sh \
> test_bpftool_metadata.sh \
> test_xsk_prerequisites.sh \
> - test_xsk_framework.sh
> + test_xsk_skb_nopoll.sh \
> + test_xsk_skb_poll.sh
>
> TEST_PROGS_EXTENDED := with_addr.sh \
> with_tunnels.sh \
> @@ -84,7 +85,7 @@ TEST_PROGS_EXTENDED := with_addr.sh \
> # Compile but not part of 'make run_tests'
> TEST_GEN_PROGS_EXTENDED = test_sock_addr test_skb_cgroup_id_user \
> flow_dissector_load test_flow_dissector test_tcp_check_syncookie_user \
> - test_lirc_mode2_user xdping test_cpp runqslower bench
> + test_lirc_mode2_user xdping test_cpp runqslower bench xdpxceiver
>
> TEST_CUSTOM_PROGS = urandom_read
>
> diff --git a/tools/testing/selftests/bpf/test_xsk_prerequisites.sh b/tools/testing/selftests/bpf/test_xsk_prerequisites.sh
> index 00bfcf53127c..a9ce8887dffc 100755
> --- a/tools/testing/selftests/bpf/test_xsk_prerequisites.sh
> +++ b/tools/testing/selftests/bpf/test_xsk_prerequisites.sh
> @@ -8,8 +8,17 @@
> #
> # Topology:
> # ---------
> -# ----------- -----------
> -# | xskX | --------- | xskY |
> +# -----------
> +# _ | Process | _
> +# / ----------- \
> +# / | \
> +# / | \
> +# ----------- | -----------
> +# | Thread1 | | | Thread2 |
> +# ----------- | -----------
> +# | | |
> +# ----------- | -----------
> +# | xskX | | | xskY |
> # ----------- | -----------
> # | | |
> # ----------- | ----------
> @@ -40,6 +49,8 @@
> # conflict with any existing interface
> # * tests the veth and xsk layers of the topology
> #
> +# See the source xdpxceiver.c for information on each test
> +#
> # Kernel configuration:
> # ---------------------
> # See "config" file for recommended kernel config options.
> diff --git a/tools/testing/selftests/bpf/test_xsk_skb_nopoll.sh b/tools/testing/selftests/bpf/test_xsk_skb_nopoll.sh
> new file mode 100755
> index 000000000000..96600b0f5136
> --- /dev/null
> +++ b/tools/testing/selftests/bpf/test_xsk_skb_nopoll.sh
> @@ -0,0 +1,20 @@
> +#!/bin/bash
> +# SPDX-License-Identifier: GPL-2.0
> +# Copyright(c) 2020 Intel Corporation.
> +
> +# See test_xsk_prerequisites.sh for detailed information on tests
> +
> +. xsk_prereqs.sh
> +. xsk_env.sh
> +
> +TEST_NAME="SKB NOPOLL"
> +
> +vethXDPgeneric ${VETH0} ${VETH1} ${NS1}
> +
> +params=("-S")
> +execxdpxceiver params
> +
> +retval=$?
> +test_status $retval "${TEST_NAME}"
> +
> +test_exit $retval 0
> diff --git a/tools/testing/selftests/bpf/test_xsk_framework.sh b/tools/testing/selftests/bpf/test_xsk_skb_poll.sh
> similarity index 61%
> rename from tools/testing/selftests/bpf/test_xsk_framework.sh
> rename to tools/testing/selftests/bpf/test_xsk_skb_poll.sh
> index 2e3f099d001c..d152c8a24251 100755
> --- a/tools/testing/selftests/bpf/test_xsk_framework.sh
> +++ b/tools/testing/selftests/bpf/test_xsk_skb_poll.sh
> @@ -7,11 +7,17 @@
> . xsk_prereqs.sh
> . xsk_env.sh
Here both xsk_prereqs.sh and xsk_env.sh are executed.
But xsk_env.sh also calls xsk_prereqs.sh. This double
execution of xsk_prereqs.sh is required or is an
oversight?
>
> -TEST_NAME="XSK FRAMEWORK"
> +TEST_NAME="SKB POLL"
>
> -test_status $ksft_pass "${TEST_NAME}"
> +vethXDPgeneric ${VETH0} ${VETH1} ${NS1}
> +
> +params=("-S" "-p")
> +execxdpxceiver params
> +
> +retval=$?
> +test_status $retval "${TEST_NAME}"
>
> # Must be called in the last test to execute
> cleanup_exit ${VETH0} ${VETH1} ${NS1}
>
> -test_exit $ksft_pass 0
> +test_exit $retval 0
> diff --git a/tools/testing/selftests/bpf/xdpxceiver.c b/tools/testing/selftests/bpf/xdpxceiver.c
[...]
next prev parent reply other threads:[~2020-11-20 18:56 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-11-20 13:00 [PATCH bpf-next v2 0/5] selftests/bpf: xsk selftests Weqaar Janjua
2020-11-20 13:00 ` [PATCH bpf-next v2 1/5] selftests/bpf: xsk selftests framework Weqaar Janjua
2020-11-20 13:00 ` [PATCH bpf-next v2 2/5] selftests/bpf: xsk selftests - SKB POLL, NOPOLL Weqaar Janjua
2020-11-20 18:54 ` Yonghong Song [this message]
2020-11-20 19:34 ` Weqaar Janjua
2020-11-20 13:00 ` [PATCH bpf-next v2 3/5] selftests/bpf: xsk selftests - DRV " Weqaar Janjua
2020-11-20 13:00 ` [PATCH bpf-next v2 4/5] selftests/bpf: xsk selftests - Socket Teardown - SKB, DRV Weqaar Janjua
2020-11-20 13:00 ` [PATCH bpf-next v2 5/5] selftests/bpf: xsk selftests - Bi-directional Sockets " Weqaar Janjua
2020-11-20 20:45 ` Yonghong Song
2020-11-21 20:14 ` Weqaar Janjua
2020-11-24 15:11 ` Weqaar Janjua
2020-11-24 17:09 ` Yonghong Song
2020-11-24 22:28 ` Weqaar Janjua
2020-11-21 0:31 ` [PATCH bpf-next v2 0/5] selftests/bpf: xsk selftests Yonghong Song
2020-11-23 12:20 ` Björn Töpel
2020-11-23 13:15 ` Björn Töpel
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