netdev - [PATCH net-next 8/8] net: microchip: sparx5: Add KUNIT tests for enabling/disabling chains

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Date:   Fri, 27 Jan 2023 14:08:30 +0100
From:   Steen Hegelund <steen.hegelund@...rochip.com>
To:     "David S . Miller" <davem@...emloft.net>,
        Eric Dumazet <edumazet@...gle.com>,
        Jakub Kicinski <kuba@...nel.org>,
        Paolo Abeni <pabeni@...hat.com>
CC:     Steen Hegelund <steen.hegelund@...rochip.com>,
        <UNGLinuxDriver@...rochip.com>,
        Randy Dunlap <rdunlap@...radead.org>,
        "Casper Andersson" <casper.casan@...il.com>,
        Russell King <rmk+kernel@...linux.org.uk>,
        Wan Jiabing <wanjiabing@...o.com>,
        "Nathan Huckleberry" <nhuck@...gle.com>,
        <linux-kernel@...r.kernel.org>, <netdev@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        "Steen Hegelund" <Steen.Hegelund@...rochip.com>,
        Daniel Machon <daniel.machon@...rochip.com>,
        Horatiu Vultur <horatiu.vultur@...rochip.com>,
        Lars Povlsen <lars.povlsen@...rochip.com>,
        Dan Carpenter <error27@...il.com>,
        Michael Walle <michael@...le.cc>
Subject: [PATCH net-next 8/8] net: microchip: sparx5: Add  KUNIT tests for enabling/disabling chains

This enhances the KUNIT test of the VCAP API with tests of the chaining
functionality.

Signed-off-by: Steen Hegelund <steen.hegelund@...rochip.com>
---
 .../ethernet/microchip/vcap/vcap_api_kunit.c  | 66 +++++++++++++++++++
 1 file changed, 66 insertions(+)

diff --git a/drivers/net/ethernet/microchip/vcap/vcap_api_kunit.c b/drivers/net/ethernet/microchip/vcap/vcap_api_kunit.c
index a31cd08e3752..b2753aac8ad2 100644
--- a/drivers/net/ethernet/microchip/vcap/vcap_api_kunit.c
+++ b/drivers/net/ethernet/microchip/vcap/vcap_api_kunit.c
@@ -2145,6 +2145,71 @@ static void vcap_api_filter_keylist_test(struct kunit *test)
 	KUNIT_EXPECT_EQ(test, 26, idx);
 }
 
+static void vcap_api_rule_chain_path_test(struct kunit *test)
+{
+	struct vcap_admin admin1 = {
+		.vtype = VCAP_TYPE_IS0,
+		.vinst = 0,
+		.first_cid = 1000000,
+		.last_cid =  1199999,
+		.lookups = 6,
+		.lookups_per_instance = 2,
+	};
+	struct vcap_enabled_port eport3 = {
+		.ndev = &test_netdev,
+		.cookie = 0x100,
+		.src_cid = 0,
+		.dst_cid = 1000000,
+	};
+	struct vcap_enabled_port eport2 = {
+		.ndev = &test_netdev,
+		.cookie = 0x200,
+		.src_cid = 1000000,
+		.dst_cid = 1100000,
+	};
+	struct vcap_enabled_port eport1 = {
+		.ndev = &test_netdev,
+		.cookie = 0x300,
+		.src_cid = 1100000,
+		.dst_cid = 8000000,
+	};
+	bool ret;
+	int chain;
+
+	vcap_test_api_init(&admin1);
+	list_add_tail(&eport1.list, &admin1.enabled);
+	list_add_tail(&eport2.list, &admin1.enabled);
+	list_add_tail(&eport3.list, &admin1.enabled);
+
+	ret = vcap_path_exist(&test_vctrl, &test_netdev, 1000000);
+	KUNIT_EXPECT_EQ(test, true, ret);
+
+	ret = vcap_path_exist(&test_vctrl, &test_netdev, 1100000);
+	KUNIT_EXPECT_EQ(test, true, ret);
+
+	ret = vcap_path_exist(&test_vctrl, &test_netdev, 1200000);
+	KUNIT_EXPECT_EQ(test, false, ret);
+
+	chain = vcap_get_next_chain(&test_vctrl, &test_netdev, 0);
+	KUNIT_EXPECT_EQ(test, 1000000, chain);
+
+	chain = vcap_get_next_chain(&test_vctrl, &test_netdev, 1000000);
+	KUNIT_EXPECT_EQ(test, 1100000, chain);
+
+	chain = vcap_get_next_chain(&test_vctrl, &test_netdev, 1100000);
+	KUNIT_EXPECT_EQ(test, 8000000, chain);
+}
+
+static struct kunit_case vcap_api_rule_enable_test_cases[] = {
+	KUNIT_CASE(vcap_api_rule_chain_path_test),
+	{}
+};
+
+static struct kunit_suite vcap_api_rule_enable_test_suite = {
+	.name = "VCAP_API_Rule_Enable_Testsuite",
+	.test_cases = vcap_api_rule_enable_test_cases,
+};
+
 static struct kunit_suite vcap_api_rule_remove_test_suite = {
 	.name = "VCAP_API_Rule_Remove_Testsuite",
 	.test_cases = vcap_api_rule_remove_test_cases,
@@ -2235,6 +2300,7 @@ static struct kunit_suite vcap_api_encoding_test_suite = {
 	.test_cases = vcap_api_encoding_test_cases,
 };
 
+kunit_test_suite(vcap_api_rule_enable_test_suite);
 kunit_test_suite(vcap_api_rule_remove_test_suite);
 kunit_test_suite(vcap_api_rule_insert_test_suite);
 kunit_test_suite(vcap_api_rule_counter_test_suite);
-- 
2.39.1