netdev - Re: [PATCH bpf-next v2 2/2] selftests: bpf: validate CHECKSUM

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Date: Fri, 24 May 2024 18:18:11 +0200
From: Daniel Borkmann <daniel@...earbox.net>
To: Vadim Fedorenko <vadfed@...a.com>,
 Vadim Fedorenko <vadim.fedorenko@...ux.dev>,
 Martin KaFai Lau <martin.lau@...ux.dev>, Andrii Nakryiko
 <andrii@...nel.org>, Alexei Starovoitov <ast@...nel.org>,
 Mykola Lysenko <mykolal@...com>, Jakub Kicinski <kuba@...nel.org>
Cc: bpf@...r.kernel.org, netdev@...r.kernel.org
Subject: Re: [PATCH bpf-next v2 2/2] selftests: bpf: validate
 CHECKSUM_COMPLETE option

On 5/24/24 1:06 PM, Vadim Fedorenko wrote:
> Adjust skb program test to run with checksum validation.
> 
> Signed-off-by: Vadim Fedorenko <vadfed@...a.com>

BPF CI complains :

   [...]
   /tmp/work/bpf/bpf/tools/testing/selftests/bpf/prog_tests/test_skb_pkt_end.c:14:12: error: call to undeclared function 'BIT'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
      14 |                 .flags = BPF_F_TEST_SKB_CHECKSUM_COMPLETE,
         |                          ^
   /tmp/work/bpf/bpf/tools/include/uapi/linux/bpf.h:1429:42: note: expanded from macro 'BPF_F_TEST_SKB_CHECKSUM_COMPLETE'
    1429 | #define BPF_F_TEST_SKB_CHECKSUM_COMPLETE        BIT(2)
         |                                                 ^
   1 error generated.
   make: *** [Makefile:654: /tmp/work/bpf/bpf/tools/testing/selftests/bpf/test_skb_pkt_end.test.o] Error 1
   make: *** Waiting for unfinished jobs....
   make: Leaving directory '/tmp/work/bpf/bpf/tools/testing/selftests/bpf'
   Error: Process completed with exit code 2.