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Diffstat (limited to 'tools/testing/selftests/bpf/prog_tests/sockmap_basic.c')
-rw-r--r--tools/testing/selftests/bpf/prog_tests/sockmap_basic.c167
1 files changed, 145 insertions, 22 deletions
diff --git a/tools/testing/selftests/bpf/prog_tests/sockmap_basic.c b/tools/testing/selftests/bpf/prog_tests/sockmap_basic.c
index 1337153eb0ad7..248754296d972 100644
--- a/tools/testing/selftests/bpf/prog_tests/sockmap_basic.c
+++ b/tools/testing/selftests/bpf/prog_tests/sockmap_basic.c
@@ -108,6 +108,35 @@ out:
close(s);
}
+static void test_sockmap_vsock_delete_on_close(void)
+{
+ int err, c, p, map;
+ const int zero = 0;
+
+ err = create_pair(AF_VSOCK, SOCK_STREAM, &c, &p);
+ if (!ASSERT_OK(err, "create_pair(AF_VSOCK)"))
+ return;
+
+ map = bpf_map_create(BPF_MAP_TYPE_SOCKMAP, NULL, sizeof(int),
+ sizeof(int), 1, NULL);
+ if (!ASSERT_GE(map, 0, "bpf_map_create")) {
+ close(c);
+ goto out;
+ }
+
+ err = bpf_map_update_elem(map, &zero, &c, BPF_NOEXIST);
+ close(c);
+ if (!ASSERT_OK(err, "bpf_map_update"))
+ goto out;
+
+ err = bpf_map_update_elem(map, &zero, &p, BPF_NOEXIST);
+ ASSERT_OK(err, "after close(), bpf_map_update");
+
+out:
+ close(p);
+ close(map);
+}
+
static void test_skmsg_helpers(enum bpf_map_type map_type)
{
struct test_skmsg_load_helpers *skel;
@@ -451,11 +480,11 @@ out:
#define MAX_EVENTS 10
static void test_sockmap_skb_verdict_shutdown(void)
{
+ int n, err, map, verdict, c1 = -1, p1 = -1;
struct epoll_event ev, events[MAX_EVENTS];
- int n, err, map, verdict, s, c1 = -1, p1 = -1;
struct test_sockmap_pass_prog *skel;
- int epollfd;
int zero = 0;
+ int epollfd;
char b;
skel = test_sockmap_pass_prog__open_and_load();
@@ -469,10 +498,7 @@ static void test_sockmap_skb_verdict_shutdown(void)
if (!ASSERT_OK(err, "bpf_prog_attach"))
goto out;
- s = socket_loopback(AF_INET, SOCK_STREAM);
- if (s < 0)
- goto out;
- err = create_pair(s, AF_INET, SOCK_STREAM, &c1, &p1);
+ err = create_pair(AF_INET, SOCK_STREAM, &c1, &p1);
if (err < 0)
goto out;
@@ -504,10 +530,62 @@ out:
test_sockmap_pass_prog__destroy(skel);
}
+static void test_sockmap_stream_pass(void)
+{
+ int zero = 0, sent, recvd;
+ int verdict, parser;
+ int err, map;
+ int c = -1, p = -1;
+ struct test_sockmap_pass_prog *pass = NULL;
+ char snd[256] = "0123456789";
+ char rcv[256] = "0";
+
+ pass = test_sockmap_pass_prog__open_and_load();
+ verdict = bpf_program__fd(pass->progs.prog_skb_verdict);
+ parser = bpf_program__fd(pass->progs.prog_skb_parser);
+ map = bpf_map__fd(pass->maps.sock_map_rx);
+
+ err = bpf_prog_attach(parser, map, BPF_SK_SKB_STREAM_PARSER, 0);
+ if (!ASSERT_OK(err, "bpf_prog_attach stream parser"))
+ goto out;
+
+ err = bpf_prog_attach(verdict, map, BPF_SK_SKB_STREAM_VERDICT, 0);
+ if (!ASSERT_OK(err, "bpf_prog_attach stream verdict"))
+ goto out;
+
+ err = create_pair(AF_INET, SOCK_STREAM, &c, &p);
+ if (err)
+ goto out;
+
+ /* sk_data_ready of 'p' will be replaced by strparser handler */
+ err = bpf_map_update_elem(map, &zero, &p, BPF_NOEXIST);
+ if (!ASSERT_OK(err, "bpf_map_update_elem(p)"))
+ goto out_close;
+
+ /*
+ * as 'prog_skb_parser' return the original skb len and
+ * 'prog_skb_verdict' return SK_PASS, the kernel will just
+ * pass it through to original socket 'p'
+ */
+ sent = xsend(c, snd, sizeof(snd), 0);
+ ASSERT_EQ(sent, sizeof(snd), "xsend(c)");
+
+ recvd = recv_timeout(p, rcv, sizeof(rcv), SOCK_NONBLOCK,
+ IO_TIMEOUT_SEC);
+ ASSERT_EQ(recvd, sizeof(rcv), "recv_timeout(p)");
+
+out_close:
+ close(c);
+ close(p);
+
+out:
+ test_sockmap_pass_prog__destroy(pass);
+}
+
static void test_sockmap_skb_verdict_fionread(bool pass_prog)
{
+ int err, map, verdict, c0 = -1, c1 = -1, p0 = -1, p1 = -1;
int expected, zero = 0, sent, recvd, avail;
- int err, map, verdict, s, c0 = -1, c1 = -1, p0 = -1, p1 = -1;
struct test_sockmap_pass_prog *pass = NULL;
struct test_sockmap_drop_prog *drop = NULL;
char buf[256] = "0123456789";
@@ -534,11 +612,8 @@ static void test_sockmap_skb_verdict_fionread(bool pass_prog)
if (!ASSERT_OK(err, "bpf_prog_attach"))
goto out;
- s = socket_loopback(AF_INET, SOCK_STREAM);
- if (!ASSERT_GT(s, -1, "socket_loopback(s)"))
- goto out;
- err = create_socket_pairs(s, AF_INET, SOCK_STREAM, &c0, &c1, &p0, &p1);
- if (!ASSERT_OK(err, "create_socket_pairs(s)"))
+ err = create_socket_pairs(AF_INET, SOCK_STREAM, &c0, &c1, &p0, &p1);
+ if (!ASSERT_OK(err, "create_socket_pairs()"))
goto out;
err = bpf_map_update_elem(map, &zero, &c1, BPF_NOEXIST);
@@ -570,16 +645,12 @@ out:
static void test_sockmap_skb_verdict_peek_helper(int map)
{
- int err, s, c1, p1, zero = 0, sent, recvd, avail;
+ int err, c1, p1, zero = 0, sent, recvd, avail;
char snd[256] = "0123456789";
char rcv[256] = "0";
- s = socket_loopback(AF_INET, SOCK_STREAM);
- if (!ASSERT_GT(s, -1, "socket_loopback(s)"))
- return;
-
- err = create_pair(s, AF_INET, SOCK_STREAM, &c1, &p1);
- if (!ASSERT_OK(err, "create_pairs(s)"))
+ err = create_pair(AF_INET, SOCK_STREAM, &c1, &p1);
+ if (!ASSERT_OK(err, "create_pair()"))
return;
err = bpf_map_update_elem(map, &zero, &c1, BPF_NOEXIST);
@@ -863,8 +934,10 @@ static void test_sockmap_same_sock(void)
err = socketpair(AF_UNIX, SOCK_STREAM, 0, stream);
ASSERT_OK(err, "socketpair(af_unix, sock_stream)");
- if (err)
+ if (err) {
+ close(tcp);
goto out;
+ }
for (i = 0; i < 2; i++) {
err = bpf_map_update_elem(map, &zero, &stream[0], BPF_ANY);
@@ -883,24 +956,70 @@ static void test_sockmap_same_sock(void)
ASSERT_OK(err, "bpf_map_update_elem(tcp)");
}
+ close(tcp);
err = bpf_map_delete_elem(map, &zero);
- ASSERT_OK(err, "bpf_map_delete_elem(entry)");
+ ASSERT_ERR(err, "bpf_map_delete_elem(entry)");
close(stream[0]);
close(stream[1]);
out:
close(dgram);
- close(tcp);
close(udp);
test_sockmap_pass_prog__destroy(skel);
}
+static void test_sockmap_skb_verdict_vsock_poll(void)
+{
+ struct test_sockmap_pass_prog *skel;
+ int err, map, conn, peer;
+ struct bpf_program *prog;
+ struct bpf_link *link;
+ char buf = 'x';
+ int zero = 0;
+
+ skel = test_sockmap_pass_prog__open_and_load();
+ if (!ASSERT_OK_PTR(skel, "open_and_load"))
+ return;
+
+ if (create_pair(AF_VSOCK, SOCK_STREAM, &conn, &peer))
+ goto destroy;
+
+ prog = skel->progs.prog_skb_verdict;
+ map = bpf_map__fd(skel->maps.sock_map_rx);
+ link = bpf_program__attach_sockmap(prog, map);
+ if (!ASSERT_OK_PTR(link, "bpf_program__attach_sockmap"))
+ goto close;
+
+ err = bpf_map_update_elem(map, &zero, &conn, BPF_ANY);
+ if (!ASSERT_OK(err, "bpf_map_update_elem"))
+ goto detach;
+
+ if (xsend(peer, &buf, 1, 0) != 1)
+ goto detach;
+
+ err = poll_read(conn, IO_TIMEOUT_SEC);
+ if (!ASSERT_OK(err, "poll"))
+ goto detach;
+
+ if (xrecv_nonblock(conn, &buf, 1, 0) != 1)
+ FAIL("xrecv_nonblock");
+detach:
+ bpf_link__detach(link);
+close:
+ xclose(conn);
+ xclose(peer);
+destroy:
+ test_sockmap_pass_prog__destroy(skel);
+}
+
void test_sockmap_basic(void)
{
if (test__start_subtest("sockmap create_update_free"))
test_sockmap_create_update_free(BPF_MAP_TYPE_SOCKMAP);
if (test__start_subtest("sockhash create_update_free"))
test_sockmap_create_update_free(BPF_MAP_TYPE_SOCKHASH);
+ if (test__start_subtest("sockmap vsock delete on close"))
+ test_sockmap_vsock_delete_on_close();
if (test__start_subtest("sockmap sk_msg load helpers"))
test_skmsg_helpers(BPF_MAP_TYPE_SOCKMAP);
if (test__start_subtest("sockhash sk_msg load helpers"))
@@ -933,6 +1052,8 @@ void test_sockmap_basic(void)
test_sockmap_progs_query(BPF_SK_SKB_VERDICT);
if (test__start_subtest("sockmap skb_verdict shutdown"))
test_sockmap_skb_verdict_shutdown();
+ if (test__start_subtest("sockmap stream parser and verdict pass"))
+ test_sockmap_stream_pass();
if (test__start_subtest("sockmap skb_verdict fionread"))
test_sockmap_skb_verdict_fionread(true);
if (test__start_subtest("sockmap skb_verdict fionread on drop"))
@@ -953,4 +1074,6 @@ void test_sockmap_basic(void)
test_skmsg_helpers_with_link(BPF_MAP_TYPE_SOCKMAP);
if (test__start_subtest("sockhash sk_msg attach sockhash helpers with link"))
test_skmsg_helpers_with_link(BPF_MAP_TYPE_SOCKHASH);
+ if (test__start_subtest("sockmap skb_verdict vsock poll"))
+ test_sockmap_skb_verdict_vsock_poll();
}
generated by cgit v1.2.3 (git 2.39.1) at 2025-07-26 05:28:56 +0000