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[69.172.146.21]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-1fd6f469df5sm65724685ad.254.2024.07.22.22.55.59 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 22 Jul 2024 22:55:59 -0700 (PDT) From: Tony Ambardar <tony.ambardar@gmail.com> To: bpf@vger.kernel.org Cc: Tony Ambardar <tony.ambardar@gmail.com>, linux-kselftest@vger.kernel.org, Daniel Borkmann <daniel@iogearbox.net>, Andrii Nakryiko <andrii@kernel.org>, Martin KaFai Lau <martin.lau@linux.dev>, Eduard Zingerman <eddyz87@gmail.com>, Song Liu <song@kernel.org>, Yonghong Song <yonghong.song@linux.dev>, John Fastabend <john.fastabend@gmail.com>, KP Singh <kpsingh@kernel.org>, Stanislav Fomichev <sdf@fomichev.me>, Hao Luo <haoluo@google.com>, Jiri Olsa <jolsa@kernel.org>, Mykola Lysenko <mykolal@fb.com>, Shuah Khan <shuah@kernel.org>, Yucong Sun <sunyucong@gmail.com>, Eric Dumazet <edumazet@google.com>, Kuniyuki Iwashima <kuniyu@amazon.co.jp>, Jakub Sitnicki <jakub@cloudflare.com>, Dave Marchevsky <davemarchevsky@fb.com>, David Vernet <void@manifault.com>, Carlos Neira <cneirabustos@gmail.com>, Joanne Koong <joannelkoong@gmail.com>, Petar Penkov <ppenkov@google.com>, Willem de Bruijn <willemb@google.com>, Yan Zhai <yan@cloudflare.com>, Vadim Fedorenko <vadim.fedorenko@linux.dev>, YiFei Zhu <zhuyifei@google.com> Subject: [PATCH bpf-next v1 14/19] selftests/bpf: Fix compiling tcp_rtt.c with musl-libc Date: Mon, 22 Jul 2024 22:54:41 -0700 Message-Id: <f2329767b15df206f08a5776d35a47c37da855ae.1721713597.git.tony.ambardar@gmail.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <cover.1721713597.git.tony.ambardar@gmail.com> References: <cover.1721713597.git.tony.ambardar@gmail.com> Precedence: bulk X-Mailing-List: linux-kselftest@vger.kernel.org List-Id: <linux-kselftest.vger.kernel.org> List-Subscribe: <mailto:linux-kselftest+subscribe@vger.kernel.org> List-Unsubscribe: <mailto:linux-kselftest+unsubscribe@vger.kernel.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit |
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selftests/bpf: Improve libc portability / musl support (part 1)
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diff --git a/tools/testing/selftests/bpf/prog_tests/tcp_rtt.c b/tools/testing/selftests/bpf/prog_tests/tcp_rtt.c index f2b99d95d916..c38784c1c066 100644 --- a/tools/testing/selftests/bpf/prog_tests/tcp_rtt.c +++ b/tools/testing/selftests/bpf/prog_tests/tcp_rtt.c @@ -1,4 +1,5 @@ // SPDX-License-Identifier: GPL-2.0 +#define _GNU_SOURCE #include <test_progs.h> #include "cgroup_helpers.h" #include "network_helpers.h"
The GNU version of 'struct tcp_info' in 'netinet/tcp.h' is not exposed by musl headers unless _GNU_SOURCE is defined. Add this definition to fix errors seen compiling for mips64el/musl-libc: tcp_rtt.c: In function 'wait_for_ack': tcp_rtt.c:24:25: error: storage size of 'info' isn't known 24 | struct tcp_info info; | ^~~~ tcp_rtt.c:24:25: error: unused variable 'info' [-Werror=unused-variable] cc1: all warnings being treated as errors Fixes: 1f4f80fed217 ("selftests/bpf: test_progs: convert test_tcp_rtt") Signed-off-by: Tony Ambardar <tony.ambardar@gmail.com> --- tools/testing/selftests/bpf/prog_tests/tcp_rtt.c | 1 + 1 file changed, 1 insertion(+)