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-rw-r--r--tools/testing/selftests/bpf/network_helpers.c32
-rw-r--r--tools/testing/selftests/bpf/network_helpers.h8
-rw-r--r--tools/testing/selftests/bpf/prog_tests/bpf_tcp_ca.c92
-rw-r--r--tools/testing/selftests/bpf/prog_tests/sockopt_inherit.c2
-rw-r--r--tools/testing/selftests/bpf/test_tcp_check_syncookie_user.c4
5 files changed, 105 insertions, 33 deletions
diff --git a/tools/testing/selftests/bpf/network_helpers.c b/tools/testing/selftests/bpf/network_helpers.c
index 35250e6cde7f..e20caef06aae 100644
--- a/tools/testing/selftests/bpf/network_helpers.c
+++ b/tools/testing/selftests/bpf/network_helpers.c
@@ -94,7 +94,8 @@ static int __start_server(int type, const struct sockaddr *addr, socklen_t addrl
if (settimeo(fd, opts->timeout_ms))
goto error_close;
- if (opts->post_socket_cb && opts->post_socket_cb(fd, NULL)) {
+ if (opts->post_socket_cb &&
+ opts->post_socket_cb(fd, opts->cb_opts)) {
log_err("Failed to call post_socket_cb");
goto error_close;
}
@@ -118,22 +119,32 @@ error_close:
return -1;
}
-int start_server(int family, int type, const char *addr_str, __u16 port,
- int timeout_ms)
+int start_server_str(int family, int type, const char *addr_str, __u16 port,
+ const struct network_helper_opts *opts)
{
- struct network_helper_opts opts = {
- .timeout_ms = timeout_ms,
- };
struct sockaddr_storage addr;
socklen_t addrlen;
+ if (!opts)
+ opts = &default_opts;
+
if (make_sockaddr(family, addr_str, port, &addr, &addrlen))
return -1;
- return __start_server(type, (struct sockaddr *)&addr, addrlen, &opts);
+ return __start_server(type, (struct sockaddr *)&addr, addrlen, opts);
+}
+
+int start_server(int family, int type, const char *addr_str, __u16 port,
+ int timeout_ms)
+{
+ struct network_helper_opts opts = {
+ .timeout_ms = timeout_ms,
+ };
+
+ return start_server_str(family, type, addr_str, port, &opts);
}
-static int reuseport_cb(int fd, const struct post_socket_opts *opts)
+static int reuseport_cb(int fd, void *opts)
{
int on = 1;
@@ -338,9 +349,8 @@ int connect_to_fd_opts(int server_fd, const struct network_helper_opts *opts)
if (settimeo(fd, opts->timeout_ms))
goto error_close;
- if (opts->cc && opts->cc[0] &&
- setsockopt(fd, SOL_TCP, TCP_CONGESTION, opts->cc,
- strlen(opts->cc) + 1))
+ if (opts->post_socket_cb &&
+ opts->post_socket_cb(fd, opts->cb_opts))
goto error_close;
if (!opts->noconnect)
diff --git a/tools/testing/selftests/bpf/network_helpers.h b/tools/testing/selftests/bpf/network_helpers.h
index 883c7ea9d8d5..11eea8e2e4f1 100644
--- a/tools/testing/selftests/bpf/network_helpers.h
+++ b/tools/testing/selftests/bpf/network_helpers.h
@@ -21,16 +21,14 @@ typedef __u16 __sum16;
#define VIP_NUM 5
#define MAGIC_BYTES 123
-struct post_socket_opts {};
-
struct network_helper_opts {
- const char *cc;
int timeout_ms;
bool must_fail;
bool noconnect;
int type;
int proto;
- int (*post_socket_cb)(int fd, const struct post_socket_opts *opts);
+ int (*post_socket_cb)(int fd, void *opts);
+ void *cb_opts;
};
/* ipv4 test vector */
@@ -50,6 +48,8 @@ struct ipv6_packet {
extern struct ipv6_packet pkt_v6;
int settimeo(int fd, int timeout_ms);
+int start_server_str(int family, int type, const char *addr_str, __u16 port,
+ const struct network_helper_opts *opts);
int start_server(int family, int type, const char *addr, __u16 port,
int timeout_ms);
int *start_reuseport_server(int family, int type, const char *addr_str,
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 0aca02532794..ebc7d4616880 100644
--- a/tools/testing/selftests/bpf/prog_tests/bpf_tcp_ca.c
+++ b/tools/testing/selftests/bpf/prog_tests/bpf_tcp_ca.c
@@ -23,6 +23,10 @@
static const unsigned int total_bytes = 10 * 1024 * 1024;
static int expected_stg = 0xeB9F;
+struct cb_opts {
+ const char *cc;
+};
+
static int settcpca(int fd, const char *tcp_ca)
{
int err;
@@ -34,12 +38,14 @@ static int settcpca(int fd, const char *tcp_ca)
return 0;
}
-static void do_test(const char *tcp_ca, const struct bpf_map *sk_stg_map)
+static void do_test(const struct network_helper_opts *opts,
+ const struct bpf_map *sk_stg_map)
{
+ struct cb_opts *cb_opts = (struct cb_opts *)opts->cb_opts;
int lfd = -1, fd = -1;
int err;
- lfd = start_server(AF_INET6, SOCK_STREAM, NULL, 0, 0);
+ lfd = start_server_str(AF_INET6, SOCK_STREAM, NULL, 0, opts);
if (!ASSERT_NEQ(lfd, -1, "socket"))
return;
@@ -49,7 +55,7 @@ static void do_test(const char *tcp_ca, const struct bpf_map *sk_stg_map)
return;
}
- if (settcpca(lfd, tcp_ca) || settcpca(fd, tcp_ca))
+ if (settcpca(fd, cb_opts->cc))
goto done;
if (sk_stg_map) {
@@ -81,8 +87,22 @@ done:
close(fd);
}
+static int cc_cb(int fd, void *opts)
+{
+ struct cb_opts *cb_opts = (struct cb_opts *)opts;
+
+ return settcpca(fd, cb_opts->cc);
+}
+
static void test_cubic(void)
{
+ struct cb_opts cb_opts = {
+ .cc = "bpf_cubic",
+ };
+ struct network_helper_opts opts = {
+ .post_socket_cb = cc_cb,
+ .cb_opts = &cb_opts,
+ };
struct bpf_cubic *cubic_skel;
struct bpf_link *link;
@@ -96,7 +116,7 @@ static void test_cubic(void)
return;
}
- do_test("bpf_cubic", NULL);
+ do_test(&opts, NULL);
ASSERT_EQ(cubic_skel->bss->bpf_cubic_acked_called, 1, "pkts_acked called");
@@ -106,6 +126,13 @@ static void test_cubic(void)
static void test_dctcp(void)
{
+ struct cb_opts cb_opts = {
+ .cc = "bpf_dctcp",
+ };
+ struct network_helper_opts opts = {
+ .post_socket_cb = cc_cb,
+ .cb_opts = &cb_opts,
+ };
struct bpf_dctcp *dctcp_skel;
struct bpf_link *link;
@@ -119,7 +146,7 @@ static void test_dctcp(void)
return;
}
- do_test("bpf_dctcp", dctcp_skel->maps.sk_stg_map);
+ do_test(&opts, dctcp_skel->maps.sk_stg_map);
ASSERT_EQ(dctcp_skel->bss->stg_result, expected_stg, "stg_result");
bpf_link__destroy(link);
@@ -172,10 +199,16 @@ static void test_dctcp_fallback(void)
{
int err, lfd = -1, cli_fd = -1, srv_fd = -1;
struct network_helper_opts opts = {
- .cc = "cubic",
+ .post_socket_cb = cc_cb,
};
struct bpf_dctcp *dctcp_skel;
struct bpf_link *link = NULL;
+ struct cb_opts dctcp = {
+ .cc = "bpf_dctcp",
+ };
+ struct cb_opts cubic = {
+ .cc = "cubic",
+ };
char srv_cc[16];
socklen_t cc_len = sizeof(srv_cc);
@@ -190,11 +223,12 @@ static void test_dctcp_fallback(void)
if (!ASSERT_OK_PTR(link, "dctcp link"))
goto done;
- lfd = start_server(AF_INET6, SOCK_STREAM, "::1", 0, 0);
- if (!ASSERT_GE(lfd, 0, "lfd") ||
- !ASSERT_OK(settcpca(lfd, "bpf_dctcp"), "lfd=>bpf_dctcp"))
+ opts.cb_opts = &dctcp;
+ lfd = start_server_str(AF_INET6, SOCK_STREAM, "::1", 0, &opts);
+ if (!ASSERT_GE(lfd, 0, "lfd"))
goto done;
+ opts.cb_opts = &cubic;
cli_fd = connect_to_fd_opts(lfd, &opts);
if (!ASSERT_GE(cli_fd, 0, "cli_fd"))
goto done;
@@ -297,6 +331,13 @@ static void test_unsupp_cong_op(void)
static void test_update_ca(void)
{
+ struct cb_opts cb_opts = {
+ .cc = "tcp_ca_update",
+ };
+ struct network_helper_opts opts = {
+ .post_socket_cb = cc_cb,
+ .cb_opts = &cb_opts,
+ };
struct tcp_ca_update *skel;
struct bpf_link *link;
int saved_ca1_cnt;
@@ -309,14 +350,14 @@ static void test_update_ca(void)
link = bpf_map__attach_struct_ops(skel->maps.ca_update_1);
ASSERT_OK_PTR(link, "attach_struct_ops");
- do_test("tcp_ca_update", NULL);
+ do_test(&opts, NULL);
saved_ca1_cnt = skel->bss->ca1_cnt;
ASSERT_GT(saved_ca1_cnt, 0, "ca1_ca1_cnt");
err = bpf_link__update_map(link, skel->maps.ca_update_2);
ASSERT_OK(err, "update_map");
- do_test("tcp_ca_update", NULL);
+ do_test(&opts, NULL);
ASSERT_EQ(skel->bss->ca1_cnt, saved_ca1_cnt, "ca2_ca1_cnt");
ASSERT_GT(skel->bss->ca2_cnt, 0, "ca2_ca2_cnt");
@@ -326,6 +367,13 @@ static void test_update_ca(void)
static void test_update_wrong(void)
{
+ struct cb_opts cb_opts = {
+ .cc = "tcp_ca_update",
+ };
+ struct network_helper_opts opts = {
+ .post_socket_cb = cc_cb,
+ .cb_opts = &cb_opts,
+ };
struct tcp_ca_update *skel;
struct bpf_link *link;
int saved_ca1_cnt;
@@ -338,14 +386,14 @@ static void test_update_wrong(void)
link = bpf_map__attach_struct_ops(skel->maps.ca_update_1);
ASSERT_OK_PTR(link, "attach_struct_ops");
- do_test("tcp_ca_update", NULL);
+ do_test(&opts, NULL);
saved_ca1_cnt = skel->bss->ca1_cnt;
ASSERT_GT(saved_ca1_cnt, 0, "ca1_ca1_cnt");
err = bpf_link__update_map(link, skel->maps.ca_wrong);
ASSERT_ERR(err, "update_map");
- do_test("tcp_ca_update", NULL);
+ do_test(&opts, NULL);
ASSERT_GT(skel->bss->ca1_cnt, saved_ca1_cnt, "ca2_ca1_cnt");
bpf_link__destroy(link);
@@ -354,6 +402,13 @@ static void test_update_wrong(void)
static void test_mixed_links(void)
{
+ struct cb_opts cb_opts = {
+ .cc = "tcp_ca_update",
+ };
+ struct network_helper_opts opts = {
+ .post_socket_cb = cc_cb,
+ .cb_opts = &cb_opts,
+ };
struct tcp_ca_update *skel;
struct bpf_link *link, *link_nl;
int err;
@@ -368,7 +423,7 @@ static void test_mixed_links(void)
link = bpf_map__attach_struct_ops(skel->maps.ca_update_1);
ASSERT_OK_PTR(link, "attach_struct_ops");
- do_test("tcp_ca_update", NULL);
+ do_test(&opts, NULL);
ASSERT_GT(skel->bss->ca1_cnt, 0, "ca1_ca1_cnt");
err = bpf_link__update_map(link, skel->maps.ca_no_link);
@@ -455,6 +510,13 @@ static void test_tcp_ca_kfunc(void)
static void test_cc_cubic(void)
{
+ struct cb_opts cb_opts = {
+ .cc = "bpf_cc_cubic",
+ };
+ struct network_helper_opts opts = {
+ .post_socket_cb = cc_cb,
+ .cb_opts = &cb_opts,
+ };
struct bpf_cc_cubic *cc_cubic_skel;
struct bpf_link *link;
@@ -468,7 +530,7 @@ static void test_cc_cubic(void)
return;
}
- do_test("bpf_cc_cubic", NULL);
+ do_test(&opts, NULL);
bpf_link__destroy(link);
bpf_cc_cubic__destroy(cc_cubic_skel);
diff --git a/tools/testing/selftests/bpf/prog_tests/sockopt_inherit.c b/tools/testing/selftests/bpf/prog_tests/sockopt_inherit.c
index 1d3a20f01b60..7cd8be2780ca 100644
--- a/tools/testing/selftests/bpf/prog_tests/sockopt_inherit.c
+++ b/tools/testing/selftests/bpf/prog_tests/sockopt_inherit.c
@@ -70,7 +70,7 @@ static void *server_thread(void *arg)
return (void *)(long)err;
}
-static int custom_cb(int fd, const struct post_socket_opts *opts)
+static int custom_cb(int fd, void *opts)
{
char buf;
int err;
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 7b5fc98838cd..aebc58c24dc5 100644
--- a/tools/testing/selftests/bpf/test_tcp_check_syncookie_user.c
+++ b/tools/testing/selftests/bpf/test_tcp_check_syncookie_user.c
@@ -139,14 +139,14 @@ out:
return ret;
}
-static int v6only_true(int fd, const struct post_socket_opts *opts)
+static int v6only_true(int fd, void *opts)
{
int mode = true;
return setsockopt(fd, IPPROTO_IPV6, IPV6_V6ONLY, &mode, sizeof(mode));
}
-static int v6only_false(int fd, const struct post_socket_opts *opts)
+static int v6only_false(int fd, void *opts)
{
int mode = false;