[bpf-next,v2,1/4] selftests/bpf: Drop type from network_helper_opts

Commit Message

Geliang Tang June 12, 2024, 2:41 p.m. UTC

From: Geliang Tang <[e-mail]>

The opts.{type, noconnect, must_fail} is at least a bit non intuitive or
unnecessary. The only use case now is in test_bpf_ip_check_defrag_ok which
ends up bypassing most (or at least some) of the connect_to_fd_opts()
logic. It's much better that test should have its own connect_to_fd_opts()
instead.

This patch adds a new "type" parameter for connect_to_fd_opts(), then
opts->type can be replaced by "type" parameter in it.

In test_bpf_ip_check_defrag_ok, different types are passed to it. And the
strcut member "type" of network_helper_opts can be dropped now.

Signed-off-by: Geliang Tang <[e-mail]>
---
 tools/testing/selftests/bpf/network_helpers.c         | 11 +++++------
 tools/testing/selftests/bpf/network_helpers.h         |  4 ++--
 tools/testing/selftests/bpf/prog_tests/bpf_tcp_ca.c   |  2 +-
 tools/testing/selftests/bpf/prog_tests/cgroup_v1v2.c  |  4 ++--
 .../selftests/bpf/prog_tests/ip_check_defrag.c        |  5 ++---
 5 files changed, 12 insertions(+), 14 deletions(-)

Patch

diff --git a/tools/testing/selftests/bpf/network_helpers.c b/tools/testing/selftests/bpf/network_helpers.c
index e20caef06aae..0e52105ae563 100644
--- a/tools/testing/selftests/bpf/network_helpers.c
+++ b/tools/testing/selftests/bpf/network_helpers.c
@@ -303,21 +303,20 @@  int connect_to_addr(int type, const struct sockaddr_storage *addr, socklen_t add
 	return -1;
 }
 
-int connect_to_fd_opts(int server_fd, const struct network_helper_opts *opts)
+int connect_to_fd_opts(int server_fd, int type,
+		       const struct network_helper_opts *opts)
 {
 	struct sockaddr_storage addr;
 	struct sockaddr_in *addr_in;
 	socklen_t addrlen, optlen;
-	int fd, type, protocol;
+	int fd, protocol;
 
 	if (!opts)
 		opts = &default_opts;
 
 	optlen = sizeof(type);
 
-	if (opts->type) {
-		type = opts->type;
-	} else {
+	if (!type) {
 		if (getsockopt(server_fd, SOL_SOCKET, SO_TYPE, &type, &optlen)) {
 			log_err("getsockopt(SOL_TYPE)");
 			return -1;
@@ -370,7 +369,7 @@  int connect_to_fd(int server_fd, int timeout_ms)
 		.timeout_ms = timeout_ms,
 	};
 
-	return connect_to_fd_opts(server_fd, &opts);
+	return connect_to_fd_opts(server_fd, 0, &opts);
 }
 
 int connect_fd_to_fd(int client_fd, int server_fd, int timeout_ms)
diff --git a/tools/testing/selftests/bpf/network_helpers.h b/tools/testing/selftests/bpf/network_helpers.h
index 11eea8e2e4f1..6b7e333d266b 100644
--- a/tools/testing/selftests/bpf/network_helpers.h
+++ b/tools/testing/selftests/bpf/network_helpers.h
@@ -25,7 +25,6 @@  struct network_helper_opts {
 	int timeout_ms;
 	bool must_fail;
 	bool noconnect;
-	int type;
 	int proto;
 	int (*post_socket_cb)(int fd, void *opts);
 	void *cb_opts;
@@ -61,7 +60,8 @@  void free_fds(int *fds, unsigned int nr_close_fds);
 int connect_to_addr(int type, const struct sockaddr_storage *addr, socklen_t len,
 		    const struct network_helper_opts *opts);
 int connect_to_fd(int server_fd, int timeout_ms);
-int connect_to_fd_opts(int server_fd, const struct network_helper_opts *opts);
+int connect_to_fd_opts(int server_fd, int type,
+		       const struct network_helper_opts *opts);
 int connect_fd_to_fd(int client_fd, int server_fd, int timeout_ms);
 int fastopen_connect(int server_fd, const char *data, unsigned int data_len,
 		     int timeout_ms);
diff --git a/tools/testing/selftests/bpf/prog_tests/bpf_tcp_ca.c b/tools/testing/selftests/bpf/prog_tests/bpf_tcp_ca.c
index 67358adf5db3..175ced753a52 100644
--- a/tools/testing/selftests/bpf/prog_tests/bpf_tcp_ca.c
+++ b/tools/testing/selftests/bpf/prog_tests/bpf_tcp_ca.c
@@ -49,7 +49,7 @@  static bool start_test(char *addr_str,
 		goto err;
 
 	/* connect to server */
-	*cli_fd = connect_to_fd_opts(*srv_fd, cli_opts);
+	*cli_fd = connect_to_fd_opts(*srv_fd, 0, cli_opts);
 	if (!ASSERT_NEQ(*cli_fd, -1, "connect_to_fd_opts"))
 		goto err;
 
diff --git a/tools/testing/selftests/bpf/prog_tests/cgroup_v1v2.c b/tools/testing/selftests/bpf/prog_tests/cgroup_v1v2.c
index addf720428f7..1292ced67616 100644
--- a/tools/testing/selftests/bpf/prog_tests/cgroup_v1v2.c
+++ b/tools/testing/selftests/bpf/prog_tests/cgroup_v1v2.c
@@ -32,7 +32,7 @@  static int run_test(int cgroup_fd, int server_fd, bool classid)
 		goto out;
 	}
 
-	fd = connect_to_fd_opts(server_fd, &opts);
+	fd = connect_to_fd_opts(server_fd, 0, &opts);
 	if (fd < 0)
 		err = -1;
 	else
@@ -52,7 +52,7 @@  void test_cgroup_v1v2(void)
 	server_fd = start_server(AF_INET, SOCK_STREAM, NULL, port, 0);
 	if (!ASSERT_GE(server_fd, 0, "server_fd"))
 		return;
-	client_fd = connect_to_fd_opts(server_fd, &opts);
+	client_fd = connect_to_fd_opts(server_fd, 0, &opts);
 	if (!ASSERT_GE(client_fd, 0, "client_fd")) {
 		close(server_fd);
 		return;
diff --git a/tools/testing/selftests/bpf/prog_tests/ip_check_defrag.c b/tools/testing/selftests/bpf/prog_tests/ip_check_defrag.c
index 284764e7179f..e46fc3ec0a40 100644
--- a/tools/testing/selftests/bpf/prog_tests/ip_check_defrag.c
+++ b/tools/testing/selftests/bpf/prog_tests/ip_check_defrag.c
@@ -164,7 +164,6 @@  void test_bpf_ip_check_defrag_ok(bool ipv6)
 	};
 	struct network_helper_opts tx_ops = {
 		.timeout_ms = 1000,
-		.type = SOCK_RAW,
 		.proto = IPPROTO_RAW,
 		.noconnect = true,
 	};
@@ -201,7 +200,7 @@  void test_bpf_ip_check_defrag_ok(bool ipv6)
 	nstoken = open_netns(NS0);
 	if (!ASSERT_OK_PTR(nstoken, "setns ns0"))
 		goto out;
-	client_tx_fd = connect_to_fd_opts(srv_fd, &tx_ops);
+	client_tx_fd = connect_to_fd_opts(srv_fd, SOCK_RAW, &tx_ops);
 	close_netns(nstoken);
 	if (!ASSERT_GE(client_tx_fd, 0, "connect_to_fd_opts"))
 		goto out;
@@ -210,7 +209,7 @@  void test_bpf_ip_check_defrag_ok(bool ipv6)
 	nstoken = open_netns(NS0);
 	if (!ASSERT_OK_PTR(nstoken, "setns ns0"))
 		goto out;
-	client_rx_fd = connect_to_fd_opts(srv_fd, &rx_opts);
+	client_rx_fd = connect_to_fd_opts(srv_fd, 0, &rx_opts);
 	close_netns(nstoken);
 	if (!ASSERT_GE(client_rx_fd, 0, "connect_to_fd_opts"))
 		goto out;