diff mbox series

[bpf-next,v3,2/8] selftests/bpf: Drop type parameter of start_server_addr

Message ID 65dd42dd91d678740e9c05e32852f5e01ba2b7bc.1716369375.git.tanggeliang@kylinos.cn (mailing list archive)
State Superseded
Delegated to: BPF
Headers show
Series use network helpers, part 5 | expand

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netdev/tree_selection success Clearly marked for bpf-next
netdev/apply fail Patch does not apply to bpf-next-0

Commit Message

Geliang Tang May 22, 2024, 9:23 a.m. UTC 
From: Geliang Tang <tanggeliang@kylinos.cn>

Since "type" is a struct member of network_helper_opts, it makes sense
to drop the "type" parameter of start_server_addr() and __start_server()
helpers, using opts->type instead in the helpers.

If no network_helper_opts is set, use SOCK_STREAM as default socket type.

Signed-off-by: Geliang Tang <tanggeliang@kylinos.cn>
---
 tools/testing/selftests/bpf/network_helpers.c     | 15 +++++++++------
 tools/testing/selftests/bpf/network_helpers.h     |  2 +-
 .../selftests/bpf/prog_tests/cls_redirect.c       |  5 ++++-
 tools/testing/selftests/bpf/prog_tests/mptcp.c    |  2 +-
 .../testing/selftests/bpf/prog_tests/sk_assign.c  |  8 +++++---
 .../selftests/bpf/prog_tests/sockopt_inherit.c    |  2 +-
 .../selftests/bpf/test_tcp_check_syncookie_user.c |  6 +++---
 7 files changed, 24 insertions(+), 16 deletions(-)

Comments

Martin KaFai Lau May 23, 2024, 7:06 p.m. UTC | #1 
On 5/22/24 2:23 AM, Geliang Tang wrote:
> diff --git a/tools/testing/selftests/bpf/prog_tests/sk_assign.c b/tools/testing/selftests/bpf/prog_tests/sk_assign.c
> index 0b9bd1d6f7cc..517d1186e386 100644
> --- a/tools/testing/selftests/bpf/prog_tests/sk_assign.c
> +++ b/tools/testing/selftests/bpf/prog_tests/sk_assign.c
> @@ -255,6 +255,9 @@ void test_sk_assign(void)
>   
>   	for (i = 0; i < ARRAY_SIZE(tests) && !READ_ONCE(stop); i++) {
>   		struct test_sk_cfg *test = &tests[i];
> +		struct network_helper_opts opts = {
> +			.type = test->type,

I think dropping the type arg from the start_server_addr (and other existing 
helpers) is wrong.

"type" is the common case that tests usually want to specify here (at least 
between SOCK_STREAM and SOCK_DGRAM). It becomes optional (opts) now and have a 
more complicated way to pass it to the the start_server_addr, connect_to_addr...etc.

imo, the opts.{type, proto, noconnect} 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. May be 
that test should have its own connect_to_fd_opts() instead. However, lets leave 
this potential cleanup out for later and not complicate this set further.

Please keep type as the individual arg to the helper functions.

pw-bot: cr

> +		};
>   		const struct sockaddr *addr;
>   		const int zero = 0;
>   		int err;
> @@ -263,9 +266,8 @@ void test_sk_assign(void)
>   			continue;
>   		prepare_addr(test->addr, test->family, BIND_PORT, false);
>   		addr = (const struct sockaddr *)test->addr;
> -		server = start_server_addr(test->type,
> -					   (const struct sockaddr_storage *)addr,
> -					   test->len, NULL);
> +		server = start_server_addr((const struct sockaddr_storage *)addr,
> +					   test->len, &opts);
diff mbox series

Patch

diff --git a/tools/testing/selftests/bpf/network_helpers.c b/tools/testing/selftests/bpf/network_helpers.c
index 4d776b78929c..129ac90e4528 100644
--- a/tools/testing/selftests/bpf/network_helpers.c
+++ b/tools/testing/selftests/bpf/network_helpers.c
@@ -80,9 +80,10 @@  int settimeo(int fd, int timeout_ms)
 
 #define save_errno_close(fd) ({ int __save = errno; close(fd); errno = __save; })
 
-static int __start_server(int type, const struct sockaddr *addr, socklen_t addrlen,
+static int __start_server(const struct sockaddr *addr, socklen_t addrlen,
 			  const struct network_helper_opts *opts)
 {
+	int type = opts->type ? : SOCK_STREAM;
 	int fd;
 
 	fd = socket(addr->sa_family, type, opts->proto);
@@ -122,6 +123,7 @@  int start_server(int family, int type, const char *addr_str, __u16 port,
 		 int timeout_ms)
 {
 	struct network_helper_opts opts = {
+		.type		= type,
 		.timeout_ms	= timeout_ms,
 	};
 	struct sockaddr_storage addr;
@@ -130,7 +132,7 @@  int start_server(int family, int type, const char *addr_str, __u16 port,
 	if (make_sockaddr(family, addr_str, port, &addr, &addrlen))
 		return -1;
 
-	return __start_server(type, (struct sockaddr *)&addr, addrlen, &opts);
+	return __start_server((struct sockaddr *)&addr, addrlen, &opts);
 }
 
 static int reuseport_cb(int fd, void *opts)
@@ -144,6 +146,7 @@  int *start_reuseport_server(int family, int type, const char *addr_str,
 			    __u16 port, int timeout_ms, unsigned int nr_listens)
 {
 	struct network_helper_opts opts = {
+		.type = type,
 		.timeout_ms = timeout_ms,
 		.post_socket_cb = reuseport_cb,
 	};
@@ -162,7 +165,7 @@  int *start_reuseport_server(int family, int type, const char *addr_str,
 	if (!fds)
 		return NULL;
 
-	fds[0] = __start_server(type, (struct sockaddr *)&addr, addrlen, &opts);
+	fds[0] = __start_server((struct sockaddr *)&addr, addrlen, &opts);
 	if (fds[0] == -1)
 		goto close_fds;
 	nr_fds = 1;
@@ -171,7 +174,7 @@  int *start_reuseport_server(int family, int type, const char *addr_str,
 		goto close_fds;
 
 	for (; nr_fds < nr_listens; nr_fds++) {
-		fds[nr_fds] = __start_server(type, (struct sockaddr *)&addr, addrlen, &opts);
+		fds[nr_fds] = __start_server((struct sockaddr *)&addr, addrlen, &opts);
 		if (fds[nr_fds] == -1)
 			goto close_fds;
 	}
@@ -183,13 +186,13 @@  int *start_reuseport_server(int family, int type, const char *addr_str,
 	return NULL;
 }
 
-int start_server_addr(int type, const struct sockaddr_storage *addr, socklen_t len,
+int start_server_addr(const struct sockaddr_storage *addr, socklen_t len,
 		      const struct network_helper_opts *opts)
 {
 	if (!opts)
 		opts = &default_opts;
 
-	return __start_server(type, (struct sockaddr *)addr, len, opts);
+	return __start_server((struct sockaddr *)addr, len, opts);
 }
 
 void free_fds(int *fds, unsigned int nr_close_fds)
diff --git a/tools/testing/selftests/bpf/network_helpers.h b/tools/testing/selftests/bpf/network_helpers.h
index 40011e0f584b..9de84a8d00fd 100644
--- a/tools/testing/selftests/bpf/network_helpers.h
+++ b/tools/testing/selftests/bpf/network_helpers.h
@@ -53,7 +53,7 @@  int start_server(int family, int type, const char *addr, __u16 port,
 int *start_reuseport_server(int family, int type, const char *addr_str,
 			    __u16 port, int timeout_ms,
 			    unsigned int nr_listens);
-int start_server_addr(int type, const struct sockaddr_storage *addr, socklen_t len,
+int start_server_addr(const struct sockaddr_storage *addr, socklen_t len,
 		      const struct network_helper_opts *opts);
 void free_fds(int *fds, unsigned int nr_close_fds);
 int connect_to_addr(int type, const struct sockaddr_storage *addr, socklen_t len,
diff --git a/tools/testing/selftests/bpf/prog_tests/cls_redirect.c b/tools/testing/selftests/bpf/prog_tests/cls_redirect.c
index 34b59f6baca1..53b81651a6fa 100644
--- a/tools/testing/selftests/bpf/prog_tests/cls_redirect.c
+++ b/tools/testing/selftests/bpf/prog_tests/cls_redirect.c
@@ -62,11 +62,14 @@  static bool fill_addr_port(const struct sockaddr *sa, struct addr_port *ap)
 static bool set_up_conn(const struct sockaddr *addr, socklen_t len, int type,
 			int *server, int *conn, struct tuple *tuple)
 {
+	struct network_helper_opts opts = {
+		.type = type,
+	};
 	struct sockaddr_storage ss;
 	socklen_t slen = sizeof(ss);
 	struct sockaddr *sa = (struct sockaddr *)&ss;
 
-	*server = start_server_addr(type, (struct sockaddr_storage *)addr, len, NULL);
+	*server = start_server_addr((struct sockaddr_storage *)addr, len, &opts);
 	if (*server < 0)
 		return false;
 
diff --git a/tools/testing/selftests/bpf/prog_tests/mptcp.c b/tools/testing/selftests/bpf/prog_tests/mptcp.c
index 4472aa404da0..eff1adf8cbc9 100644
--- a/tools/testing/selftests/bpf/prog_tests/mptcp.c
+++ b/tools/testing/selftests/bpf/prog_tests/mptcp.c
@@ -110,7 +110,7 @@  static int start_mptcp_server(int family, const char *addr_str, __u16 port,
 	if (make_sockaddr(family, addr_str, port, &addr, &addrlen))
 		return -1;
 
-	return start_server_addr(SOCK_STREAM, &addr, addrlen, &opts);
+	return start_server_addr(&addr, addrlen, &opts);
 }
 
 static int verify_tsk(int map_fd, int client_fd)
diff --git a/tools/testing/selftests/bpf/prog_tests/sk_assign.c b/tools/testing/selftests/bpf/prog_tests/sk_assign.c
index 0b9bd1d6f7cc..517d1186e386 100644
--- a/tools/testing/selftests/bpf/prog_tests/sk_assign.c
+++ b/tools/testing/selftests/bpf/prog_tests/sk_assign.c
@@ -255,6 +255,9 @@  void test_sk_assign(void)
 
 	for (i = 0; i < ARRAY_SIZE(tests) && !READ_ONCE(stop); i++) {
 		struct test_sk_cfg *test = &tests[i];
+		struct network_helper_opts opts = {
+			.type = test->type,
+		};
 		const struct sockaddr *addr;
 		const int zero = 0;
 		int err;
@@ -263,9 +266,8 @@  void test_sk_assign(void)
 			continue;
 		prepare_addr(test->addr, test->family, BIND_PORT, false);
 		addr = (const struct sockaddr *)test->addr;
-		server = start_server_addr(test->type,
-					   (const struct sockaddr_storage *)addr,
-					   test->len, NULL);
+		server = start_server_addr((const struct sockaddr_storage *)addr,
+					   test->len, &opts);
 		if (server == -1)
 			goto close;
 
diff --git a/tools/testing/selftests/bpf/prog_tests/sockopt_inherit.c b/tools/testing/selftests/bpf/prog_tests/sockopt_inherit.c
index 7cd8be2780ca..d2b2e0924bc4 100644
--- a/tools/testing/selftests/bpf/prog_tests/sockopt_inherit.c
+++ b/tools/testing/selftests/bpf/prog_tests/sockopt_inherit.c
@@ -121,7 +121,7 @@  static void run_test(int cgroup_fd)
 	if (!ASSERT_OK_PTR(link_setsockopt, "cg-attach-setsockopt"))
 		goto close_bpf_object;
 
-	server_fd = start_server_addr(SOCK_STREAM, (struct sockaddr_storage *)&addr,
+	server_fd = start_server_addr((struct sockaddr_storage *)&addr,
 				      sizeof(addr), &opts);
 	if (!ASSERT_GE(server_fd, 0, "start_server"))
 		goto close_bpf_object;
diff --git a/tools/testing/selftests/bpf/test_tcp_check_syncookie_user.c b/tools/testing/selftests/bpf/test_tcp_check_syncookie_user.c
index aebc58c24dc5..6265f44ae3a4 100644
--- a/tools/testing/selftests/bpf/test_tcp_check_syncookie_user.c
+++ b/tools/testing/selftests/bpf/test_tcp_check_syncookie_user.c
@@ -197,19 +197,19 @@  int main(int argc, char **argv)
 	addr6dual.sin6_addr = in6addr_any;
 	addr6dual.sin6_port = 0;
 
-	server = start_server_addr(SOCK_STREAM, (struct sockaddr_storage *)&addr4,
+	server = start_server_addr((struct sockaddr_storage *)&addr4,
 				   sizeof(addr4), NULL);
 	if (server == -1)
 		goto err;
 
 	opts.post_socket_cb = v6only_true;
-	server_v6 = start_server_addr(SOCK_STREAM, (struct sockaddr_storage *)&addr6,
+	server_v6 = start_server_addr((struct sockaddr_storage *)&addr6,
 				      sizeof(addr6), &opts);
 	if (server_v6 == -1)
 		goto err;
 
 	opts.post_socket_cb = v6only_false;
-	server_dual = start_server_addr(SOCK_STREAM, (struct sockaddr_storage *)&addr6dual,
+	server_dual = start_server_addr((struct sockaddr_storage *)&addr6dual,
 					sizeof(addr6dual), &opts);
 	if (server_dual == -1)
 		goto err;