linux-kernel - [PATCH bpf-next v5 3/5] bpf: selftests: Support not connecting client socket

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Message-ID: <aaab1f2500976d0dd672628a94879ed33d08bcea.1689884827.git.dxu@dxuuu.xyz>
Date:   Thu, 20 Jul 2023 14:57:37 -0600
From:   Daniel Xu <dxu@...uu.xyz>
To:     ast@...nel.org, andrii@...nel.org, shuah@...nel.org,
        daniel@...earbox.net, alexei.starovoitov@...il.com, fw@...len.de
Cc:     martin.lau@...ux.dev, song@...nel.org, yhs@...com,
        john.fastabend@...il.com, kpsingh@...nel.org, sdf@...gle.com,
        haoluo@...gle.com, jolsa@...nel.org, mykolal@...com,
        bpf@...r.kernel.org, linux-kselftest@...r.kernel.org,
        linux-kernel@...r.kernel.org, netfilter-devel@...r.kernel.org,
        dsahern@...nel.org
Subject: [PATCH bpf-next v5 3/5] bpf: selftests: Support not connecting client socket

For connectionless protocols or raw sockets we do not want to actually
connect() to the server.

Signed-off-by: Daniel Xu <dxu@...uu.xyz>
---
 tools/testing/selftests/bpf/network_helpers.c | 5 +++--
 tools/testing/selftests/bpf/network_helpers.h | 1 +
 2 files changed, 4 insertions(+), 2 deletions(-)

diff --git a/tools/testing/selftests/bpf/network_helpers.c b/tools/testing/selftests/bpf/network_helpers.c
index a105c0cd008a..d5c78c08903b 100644
--- a/tools/testing/selftests/bpf/network_helpers.c
+++ b/tools/testing/selftests/bpf/network_helpers.c
@@ -301,8 +301,9 @@ int connect_to_fd_opts(int server_fd, const struct network_helper_opts *opts)
 		       strlen(opts->cc) + 1))
 		goto error_close;
 
-	if (connect_fd_to_addr(fd, &addr, addrlen, opts->must_fail))
-		goto error_close;
+	if (!opts->noconnect)
+		if (connect_fd_to_addr(fd, &addr, addrlen, opts->must_fail))
+			goto error_close;
 
 	return fd;
 
diff --git a/tools/testing/selftests/bpf/network_helpers.h b/tools/testing/selftests/bpf/network_helpers.h
index 694185644da6..87894dc984dd 100644
--- a/tools/testing/selftests/bpf/network_helpers.h
+++ b/tools/testing/selftests/bpf/network_helpers.h
@@ -21,6 +21,7 @@ struct network_helper_opts {
 	const char *cc;
 	int timeout_ms;
 	bool must_fail;
+	bool noconnect;
 };
 
 /* ipv4 test vector */
-- 
2.41.0