[PATCH net-next v12 09/10] selftest: tap: Add tests for virtio-net ioctls

[Akihiko Odaki <akihiko.odaki@daynix.com>]

They only test the ioctls are wired up to the implementation common with
tun as it is already tested for tun.

Signed-off-by: Akihiko Odaki <akihiko.odaki@daynix.com>
---
 tools/testing/selftests/net/config |   1 +
 tools/testing/selftests/net/tap.c  | 131 ++++++++++++++++++++++++++++++++++++-
 2 files changed, 129 insertions(+), 3 deletions(-)

diff --git a/tools/testing/selftests/net/config b/tools/testing/selftests/net/config
index 61e5116987f3..00cb1e65b392 100644
--- a/tools/testing/selftests/net/config
+++ b/tools/testing/selftests/net/config
@@ -99,6 +99,7 @@ CONFIG_IPV6_IOAM6_LWTUNNEL=y
 CONFIG_CRYPTO_SM4_GENERIC=y
 CONFIG_AMT=m
 CONFIG_TUN=y
+CONFIG_TUN_VNET_CROSS_LE=y
 CONFIG_VXLAN=m
 CONFIG_IP_SCTP=m
 CONFIG_NETFILTER_XT_MATCH_POLICY=m
diff --git a/tools/testing/selftests/net/tap.c b/tools/testing/selftests/net/tap.c
index 247c3b3ac1c9..0decbc338965 100644
--- a/tools/testing/selftests/net/tap.c
+++ b/tools/testing/selftests/net/tap.c
@@ -387,9 +387,6 @@ FIXTURE_TEARDOWN(tap)
 	if (self->fd != -1)
 		close(self->fd);
 
-	ret = dev_delete(param_dev_tap_name);
-	EXPECT_EQ(ret, 0);
-
 	ret = dev_delete(param_dev_dummy_name);
 	EXPECT_EQ(ret, 0);
 }
@@ -431,4 +428,132 @@ TEST_F(tap, test_packet_crash_tap_invalid_eth_proto)
 	ASSERT_EQ(errno, EINVAL);
 }
 
+TEST_F(tap, test_vnethdrsz)
+{
+	int sz = sizeof(struct virtio_net_hdr_v1_hash);
+
+	ASSERT_FALSE(dev_delete(param_dev_tap_name));
+
+	ASSERT_FALSE(ioctl(self->fd, TUNSETVNETHDRSZ, &sz));
+	sz = 0;
+	ASSERT_FALSE(ioctl(self->fd, TUNGETVNETHDRSZ, &sz));
+	EXPECT_EQ(sizeof(struct virtio_net_hdr_v1_hash), sz);
+}
+
+TEST_F(tap, test_vnetle)
+{
+	int le = 1;
+
+	ASSERT_FALSE(dev_delete(param_dev_tap_name));
+
+	ASSERT_FALSE(ioctl(self->fd, TUNSETVNETLE, &le));
+	le = 0;
+	ASSERT_FALSE(ioctl(self->fd, TUNGETVNETLE, &le));
+	EXPECT_EQ(1, le);
+}
+
+TEST_F(tap, test_vnetbe)
+{
+	int be = 1;
+	int ret;
+
+	ASSERT_FALSE(dev_delete(param_dev_tap_name));
+
+	ret = ioctl(self->fd, TUNSETVNETBE, &be);
+	if (ret == -1 && errno == EINVAL)
+		SKIP(return, "TUNSETVNETBE not supported");
+
+	ASSERT_FALSE(ret);
+	be = 0;
+	ASSERT_FALSE(ioctl(self->fd, TUNGETVNETBE, &be));
+	EXPECT_EQ(1, be);
+}
+
+TEST_F(tap, test_getvnethashtypes)
+{
+	uint32_t hash_types;
+	int ret;
+
+	ASSERT_FALSE(dev_delete(param_dev_tap_name));
+
+	ret = ioctl(self->fd, TUNGETVNETHASHTYPES, &hash_types);
+	if (ret == -1 && errno == EINVAL)
+		SKIP(return, "TUNGETVNETHASHTYPES not supported");
+
+	EXPECT_FALSE(ret);
+}
+
+FIXTURE(tap_setvnethash)
+{
+	int fd;
+};
+
+FIXTURE_VARIANT(tap_setvnethash)
+{
+	unsigned int cmd;
+};
+
+FIXTURE_VARIANT_ADD(tap_setvnethash, reportingautomq)
+{
+	.cmd = TUNSETVNETREPORTINGAUTOMQ
+};
+
+FIXTURE_VARIANT_ADD(tap_setvnethash, reportingrss)
+{
+	.cmd = TUNSETVNETREPORTINGRSS
+};
+
+FIXTURE_VARIANT_ADD(tap_setvnethash, rss)
+{
+	.cmd = TUNSETVNETRSS
+};
+
+FIXTURE_SETUP(tap_setvnethash)
+{
+	int ret;
+
+	ret = dev_create(param_dev_dummy_name, "dummy", NULL, NULL);
+	ASSERT_FALSE(ret);
+
+	ret = dev_create(param_dev_tap_name, "macvtap", macvtap_fill_rtattr,
+			 NULL);
+	ASSERT_FALSE(ret)
+		EXPECT_FALSE(dev_delete(param_dev_dummy_name));
+
+	self->fd = opentap(param_dev_tap_name);
+	ASSERT_LT(0, self->fd)
+		EXPECT_FALSE(dev_delete(param_dev_dummy_name));
+}
+
+FIXTURE_TEARDOWN(tap_setvnethash)
+{
+	EXPECT_FALSE(close(self->fd));
+	EXPECT_FALSE(dev_delete(param_dev_dummy_name));
+}
+
+TEST_F(tap_setvnethash, test_alive)
+{
+	struct tun_vnet_rss rss = { .hash_types = 0 };
+	int ret;
+
+	ret = ioctl(self->fd, variant->cmd, &rss);
+
+	if (ret == -1 && errno == EINVAL)
+		SKIP(return, "not supported");
+
+	EXPECT_FALSE(ret);
+}
+
+TEST_F(tap_setvnethash, test_deleted)
+{
+	ASSERT_FALSE(dev_delete(param_dev_tap_name));
+
+	ASSERT_EQ(-1, ioctl(self->fd, variant->cmd));
+
+	if (errno == EINVAL)
+		SKIP(return, "not supported");
+
+	EXPECT_EQ(EBADFD, errno);
+}
+
 TEST_HARNESS_MAIN

-- 
2.49.0