netdev - Re: [PATCH bpf-next v4 2/5] selftests/bpf: xsk selftests

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Message-ID: <760489c0-f935-437d-6213-6e8775693bbc@fb.com>
Date:   Wed, 9 Dec 2020 10:29:25 -0800
From:   Yonghong Song <yhs@...com>
To:     Weqaar Janjua <weqaar.janjua@...il.com>, <bpf@...r.kernel.org>,
        <netdev@...r.kernel.org>, <daniel@...earbox.net>, <ast@...nel.org>,
        <magnus.karlsson@...il.com>, <bjorn.topel@...el.com>
CC:     Weqaar Janjua <weqaar.a.janjua@...el.com>, <shuah@...nel.org>,
        <skhan@...uxfoundation.org>, <linux-kselftest@...r.kernel.org>,
        <anders.roxell@...aro.org>, <jonathan.lemon@...il.com>
Subject: Re: [PATCH bpf-next v4 2/5] selftests/bpf: xsk selftests - SKB POLL,
 NOPOLL



On 12/7/20 1:53 PM, 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@...el.com>
> ---
>   tools/testing/selftests/bpf/Makefile       |   3 +-
>   tools/testing/selftests/bpf/test_xsk.sh    |  39 +-
>   tools/testing/selftests/bpf/xdpxceiver.c   | 979 +++++++++++++++++++++
>   tools/testing/selftests/bpf/xdpxceiver.h   | 153 ++++
>   tools/testing/selftests/bpf/xsk_prereqs.sh |  16 +
>   5 files changed, 1187 insertions(+), 3 deletions(-)
>   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 6a1ddfe68f15..944ae17a39ed 100644
> --- a/tools/testing/selftests/bpf/Makefile
> +++ b/tools/testing/selftests/bpf/Makefile
> @@ -82,7 +82,8 @@ 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 bpf_testmod.ko
> +	test_lirc_mode2_user xdping test_cpp runqslower bench bpf_testmod.ko \
> +	xdpxceiver

Could you have a patch to put xdpxceiver in .gitignore?

I see below:
Untracked files:
   (use "git add <file>..." to include in what will be committed)
         tools/testing/selftests/bpf/xdpxceiver

>   
>   TEST_CUSTOM_PROGS = urandom_read
>