[PATCH net-next v2 4/4] net: microchip: sparx5: Add VCAP filter keys KUNIT test

From: Steen Hegelund
Date: Wed Nov 23 2022 - 10:27:43 EST


This tests the filtering of keys, either dropping unsupported keys or
dropping keys specified in a list.

Signed-off-by: Steen Hegelund <steen.hegelund@xxxxxxxxxxxxx>
---
.../ethernet/microchip/vcap/vcap_api_kunit.c | 194 ++++++++++++++++++
1 file changed, 194 insertions(+)

diff --git a/drivers/net/ethernet/microchip/vcap/vcap_api_kunit.c b/drivers/net/ethernet/microchip/vcap/vcap_api_kunit.c
index 875068e484c9..76a31215ebfb 100644
--- a/drivers/net/ethernet/microchip/vcap/vcap_api_kunit.c
+++ b/drivers/net/ethernet/microchip/vcap/vcap_api_kunit.c
@@ -1954,6 +1954,198 @@ static void vcap_api_next_lookup_advanced_test(struct kunit *test)
KUNIT_EXPECT_EQ(test, true, ret);
}

+static void vcap_api_filter_unsupported_keys_test(struct kunit *test)
+{
+ struct vcap_admin admin = {
+ .vtype = VCAP_TYPE_IS2,
+ };
+ struct vcap_rule_internal ri = {
+ .admin = &admin,
+ .vctrl = &test_vctrl,
+ .data.keyset = VCAP_KFS_MAC_ETYPE,
+ };
+ enum vcap_key_field keylist[] = {
+ VCAP_KF_TYPE,
+ VCAP_KF_LOOKUP_FIRST_IS,
+ VCAP_KF_ARP_ADDR_SPACE_OK_IS, /* arp keys are not in keyset */
+ VCAP_KF_ARP_PROTO_SPACE_OK_IS,
+ VCAP_KF_ARP_LEN_OK_IS,
+ VCAP_KF_ARP_TGT_MATCH_IS,
+ VCAP_KF_ARP_SENDER_MATCH_IS,
+ VCAP_KF_ARP_OPCODE_UNKNOWN_IS,
+ VCAP_KF_ARP_OPCODE,
+ VCAP_KF_8021Q_DEI_CLS,
+ VCAP_KF_8021Q_PCP_CLS,
+ VCAP_KF_8021Q_VID_CLS,
+ VCAP_KF_L2_MC_IS,
+ VCAP_KF_L2_BC_IS,
+ };
+ enum vcap_key_field expected[] = {
+ VCAP_KF_TYPE,
+ VCAP_KF_LOOKUP_FIRST_IS,
+ VCAP_KF_8021Q_DEI_CLS,
+ VCAP_KF_8021Q_PCP_CLS,
+ VCAP_KF_8021Q_VID_CLS,
+ VCAP_KF_L2_MC_IS,
+ VCAP_KF_L2_BC_IS,
+ };
+ struct vcap_client_keyfield *ckf, *next;
+ bool ret;
+ int idx;
+
+ /* Add all keys to the rule */
+ INIT_LIST_HEAD(&ri.data.keyfields);
+ for (idx = 0; idx < ARRAY_SIZE(keylist); idx++) {
+ ckf = kzalloc(sizeof(*ckf), GFP_KERNEL);
+ if (ckf) {
+ ckf->ctrl.key = keylist[idx];
+ list_add_tail(&ckf->ctrl.list, &ri.data.keyfields);
+ }
+ }
+
+ KUNIT_EXPECT_EQ(test, 14, ARRAY_SIZE(keylist));
+
+ /* Drop unsupported keys from the rule */
+ ret = vcap_filter_rule_keys(&ri.data, NULL, 0, true);
+
+ KUNIT_EXPECT_EQ(test, 0, ret);
+
+ /* Check remaining keys in the rule */
+ idx = 0;
+ list_for_each_entry_safe(ckf, next, &ri.data.keyfields, ctrl.list) {
+ KUNIT_EXPECT_EQ(test, expected[idx], ckf->ctrl.key);
+ list_del(&ckf->ctrl.list);
+ kfree(ckf);
+ ++idx;
+ }
+ KUNIT_EXPECT_EQ(test, 7, idx);
+}
+
+static void vcap_api_filter_keylist_test(struct kunit *test)
+{
+ struct vcap_admin admin = {
+ .vtype = VCAP_TYPE_IS0,
+ };
+ struct vcap_rule_internal ri = {
+ .admin = &admin,
+ .vctrl = &test_vctrl,
+ .data.keyset = VCAP_KFS_NORMAL_7TUPLE,
+ };
+ enum vcap_key_field keylist[] = {
+ VCAP_KF_TYPE,
+ VCAP_KF_LOOKUP_FIRST_IS,
+ VCAP_KF_LOOKUP_GEN_IDX_SEL,
+ VCAP_KF_LOOKUP_GEN_IDX,
+ VCAP_KF_IF_IGR_PORT_MASK_SEL,
+ VCAP_KF_IF_IGR_PORT_MASK,
+ VCAP_KF_L2_MC_IS,
+ VCAP_KF_L2_BC_IS,
+ VCAP_KF_8021Q_VLAN_TAGS,
+ VCAP_KF_8021Q_TPID0,
+ VCAP_KF_8021Q_PCP0,
+ VCAP_KF_8021Q_DEI0,
+ VCAP_KF_8021Q_VID0,
+ VCAP_KF_8021Q_TPID1,
+ VCAP_KF_8021Q_PCP1,
+ VCAP_KF_8021Q_DEI1,
+ VCAP_KF_8021Q_VID1,
+ VCAP_KF_8021Q_TPID2,
+ VCAP_KF_8021Q_PCP2,
+ VCAP_KF_8021Q_DEI2,
+ VCAP_KF_8021Q_VID2,
+ VCAP_KF_L2_DMAC,
+ VCAP_KF_L2_SMAC,
+ VCAP_KF_IP_MC_IS,
+ VCAP_KF_ETYPE_LEN_IS,
+ VCAP_KF_ETYPE,
+ VCAP_KF_IP_SNAP_IS,
+ VCAP_KF_IP4_IS,
+ VCAP_KF_L3_FRAGMENT_TYPE,
+ VCAP_KF_L3_FRAG_INVLD_L4_LEN,
+ VCAP_KF_L3_OPTIONS_IS,
+ VCAP_KF_L3_DSCP,
+ VCAP_KF_L3_IP6_DIP,
+ VCAP_KF_L3_IP6_SIP,
+ VCAP_KF_TCP_UDP_IS,
+ VCAP_KF_TCP_IS,
+ VCAP_KF_L4_SPORT,
+ VCAP_KF_L4_RNG,
+ };
+ enum vcap_key_field droplist[] = {
+ VCAP_KF_8021Q_TPID1,
+ VCAP_KF_8021Q_PCP1,
+ VCAP_KF_8021Q_DEI1,
+ VCAP_KF_8021Q_VID1,
+ VCAP_KF_8021Q_TPID2,
+ VCAP_KF_8021Q_PCP2,
+ VCAP_KF_8021Q_DEI2,
+ VCAP_KF_8021Q_VID2,
+ VCAP_KF_L3_IP6_DIP,
+ VCAP_KF_L3_IP6_SIP,
+ VCAP_KF_L4_SPORT,
+ VCAP_KF_L4_RNG,
+ };
+ enum vcap_key_field expected[] = {
+ VCAP_KF_TYPE,
+ VCAP_KF_LOOKUP_FIRST_IS,
+ VCAP_KF_LOOKUP_GEN_IDX_SEL,
+ VCAP_KF_LOOKUP_GEN_IDX,
+ VCAP_KF_IF_IGR_PORT_MASK_SEL,
+ VCAP_KF_IF_IGR_PORT_MASK,
+ VCAP_KF_L2_MC_IS,
+ VCAP_KF_L2_BC_IS,
+ VCAP_KF_8021Q_VLAN_TAGS,
+ VCAP_KF_8021Q_TPID0,
+ VCAP_KF_8021Q_PCP0,
+ VCAP_KF_8021Q_DEI0,
+ VCAP_KF_8021Q_VID0,
+ VCAP_KF_L2_DMAC,
+ VCAP_KF_L2_SMAC,
+ VCAP_KF_IP_MC_IS,
+ VCAP_KF_ETYPE_LEN_IS,
+ VCAP_KF_ETYPE,
+ VCAP_KF_IP_SNAP_IS,
+ VCAP_KF_IP4_IS,
+ VCAP_KF_L3_FRAGMENT_TYPE,
+ VCAP_KF_L3_FRAG_INVLD_L4_LEN,
+ VCAP_KF_L3_OPTIONS_IS,
+ VCAP_KF_L3_DSCP,
+ VCAP_KF_TCP_UDP_IS,
+ VCAP_KF_TCP_IS,
+ };
+ struct vcap_client_keyfield *ckf, *next;
+ bool ret;
+ int idx;
+
+ /* Add all keys to the rule */
+ INIT_LIST_HEAD(&ri.data.keyfields);
+ for (idx = 0; idx < ARRAY_SIZE(keylist); idx++) {
+ ckf = kzalloc(sizeof(*ckf), GFP_KERNEL);
+ if (ckf) {
+ ckf->ctrl.key = keylist[idx];
+ list_add_tail(&ckf->ctrl.list, &ri.data.keyfields);
+ }
+ }
+
+ KUNIT_EXPECT_EQ(test, 38, ARRAY_SIZE(keylist));
+
+ /* Drop listed keys from the rule */
+ ret = vcap_filter_rule_keys(&ri.data, droplist, ARRAY_SIZE(droplist),
+ false);
+
+ KUNIT_EXPECT_EQ(test, 0, ret);
+
+ /* Check remaining keys in the rule */
+ idx = 0;
+ list_for_each_entry_safe(ckf, next, &ri.data.keyfields, ctrl.list) {
+ KUNIT_EXPECT_EQ(test, expected[idx], ckf->ctrl.key);
+ list_del(&ckf->ctrl.list);
+ kfree(ckf);
+ ++idx;
+ }
+ KUNIT_EXPECT_EQ(test, 26, idx);
+}
+
static struct kunit_suite vcap_api_rule_remove_test_suite = {
.name = "VCAP_API_Rule_Remove_Testsuite",
.test_cases = vcap_api_rule_remove_test_cases,
@@ -1984,6 +2176,8 @@ static struct kunit_suite vcap_api_rule_counter_test_suite = {
static struct kunit_case vcap_api_support_test_cases[] = {
KUNIT_CASE(vcap_api_next_lookup_basic_test),
KUNIT_CASE(vcap_api_next_lookup_advanced_test),
+ KUNIT_CASE(vcap_api_filter_unsupported_keys_test),
+ KUNIT_CASE(vcap_api_filter_keylist_test),
{}
};

--
2.38.1