From: Geliang Tang <[email protected]>

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 <[email protected]>
---
 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(-)

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;
-- 
2.43.0


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