// SPDX-License-Identifier: BSD-3-Clause /* Copyright (C) 2022 Microchip Technology Inc. and its subsidiaries. * Microchip VCAP API kunit test suite */ #include <kunit/test.h> #include "vcap_api.h" #include "vcap_api_client.h" #include "vcap_model_kunit.h" /* First we have the test infrastructure that emulates the platform * implementation */ #define TEST_BUF_CNT 100 #define TEST_BUF_SZ 350 #define STREAMWSIZE 64 static u32 test_updateaddr[STREAMWSIZE] = {}; static int test_updateaddridx; static int test_cache_erase_count; static u32 test_init_start; static u32 test_init_count; static u32 test_hw_counter_id; static struct vcap_cache_data test_hw_cache; static struct net_device test_netdev = {}; static int test_move_addr; static int test_move_offset; static int test_move_count; /* Callback used by the VCAP API */ static enum vcap_keyfield_set test_val_keyset(struct net_device *ndev, struct vcap_admin *admin, struct vcap_rule *rule, struct vcap_keyset_list *kslist, u16 l3_proto) { int idx; if (kslist->cnt > 0) { switch (admin->vtype) { case VCAP_TYPE_IS0: for (idx = 0; idx < kslist->cnt; idx++) { if (kslist->keysets[idx] == VCAP_KFS_ETAG) return kslist->keysets[idx]; if (kslist->keysets[idx] == VCAP_KFS_PURE_5TUPLE_IP4) return kslist->keysets[idx]; if (kslist->keysets[idx] == VCAP_KFS_NORMAL_5TUPLE_IP4) return kslist->keysets[idx]; if (kslist->keysets[idx] == VCAP_KFS_NORMAL_7TUPLE) return kslist->keysets[idx]; } break; case VCAP_TYPE_IS2: for (idx = 0; idx < kslist->cnt; idx++) { if (kslist->keysets[idx] == VCAP_KFS_MAC_ETYPE) return kslist->keysets[idx]; if (kslist->keysets[idx] == VCAP_KFS_ARP) return kslist->keysets[idx]; if (kslist->keysets[idx] == VCAP_KFS_IP_7TUPLE) return kslist->keysets[idx]; } break; default: pr_info("%s:%d: no validation for VCAP %d\n", __func__, __LINE__, admin->vtype); break; } } return -EINVAL; } /* Callback used by the VCAP API */ static void test_add_def_fields(struct net_device *ndev, struct vcap_admin *admin, struct vcap_rule *rule) { if (admin->vinst == 0 || admin->vinst == 2) vcap_rule_add_key_bit(rule, VCAP_KF_LOOKUP_FIRST_IS, VCAP_BIT_1); else vcap_rule_add_key_bit(rule, VCAP_KF_LOOKUP_FIRST_IS, VCAP_BIT_0); } /* Callback used by the VCAP API */ static void test_cache_erase(struct vcap_admin *admin) { if (test_cache_erase_count) { memset(admin->cache.keystream, 0, test_cache_erase_count); memset(admin->cache.maskstream, 0, test_cache_erase_count); memset(admin->cache.actionstream, 0, test_cache_erase_count); test_cache_erase_count = 0; } } /* Callback used by the VCAP API */ static void test_cache_init(struct net_device *ndev, struct vcap_admin *admin, u32 start, u32 count) { test_init_start = start; test_init_count = count; } /* Callback used by the VCAP API */ static void test_cache_read(struct net_device *ndev, struct vcap_admin *admin, enum vcap_selection sel, u32 start, u32 count) { u32 *keystr, *mskstr, *actstr; int idx; pr_debug("%s:%d: %d %d\n", __func__, __LINE__, start, count); switch (sel) { case VCAP_SEL_ENTRY: keystr = &admin->cache.keystream[start]; mskstr = &admin->cache.maskstream[start]; for (idx = 0; idx < count; ++idx) { pr_debug("%s:%d: keydata[%02d]: 0x%08x\n", __func__, __LINE__, start + idx, keystr[idx]); } for (idx = 0; idx < count; ++idx) { /* Invert the mask before decoding starts */ mskstr[idx] = ~mskstr[idx]; pr_debug("%s:%d: mskdata[%02d]: 0x%08x\n", __func__, __LINE__, start + idx, mskstr[idx]); } break; case VCAP_SEL_ACTION: actstr = &admin->cache.actionstream[start]; for (idx = 0; idx < count; ++idx) { pr_debug("%s:%d: actdata[%02d]: 0x%08x\n", __func__, __LINE__, start + idx, actstr[idx]); } break; case VCAP_SEL_COUNTER: pr_debug("%s:%d\n", __func__, __LINE__); test_hw_counter_id = start; admin->cache.counter = test_hw_cache.counter; admin->cache.sticky = test_hw_cache.sticky; break; case VCAP_SEL_ALL: pr_debug("%s:%d\n", __func__, __LINE__); break; } } /* Callback used by the VCAP API */ static void test_cache_write(struct net_device *ndev, struct vcap_admin *admin, enum vcap_selection sel, u32 start, u32 count) { u32 *keystr, *mskstr, *actstr; int idx; switch (sel) { case VCAP_SEL_ENTRY: keystr = &admin->cache.keystream[start]; mskstr = &admin->cache.maskstream[start]; for (idx = 0; idx < count; ++idx) { pr_debug("%s:%d: keydata[%02d]: 0x%08x\n", __func__, __LINE__, start + idx, keystr[idx]); } for (idx = 0; idx < count; ++idx) { /* Invert the mask before encoding starts */ mskstr[idx] = ~mskstr[idx]; pr_debug("%s:%d: mskdata[%02d]: 0x%08x\n", __func__, __LINE__, start + idx, mskstr[idx]); } break; case VCAP_SEL_ACTION: actstr = &admin->cache.actionstream[start]; for (idx = 0; idx < count; ++idx) { pr_debug("%s:%d: actdata[%02d]: 0x%08x\n", __func__, __LINE__, start + idx, actstr[idx]); } break; case VCAP_SEL_COUNTER: pr_debug("%s:%d\n", __func__, __LINE__); test_hw_counter_id = start; test_hw_cache.counter = admin->cache.counter; test_hw_cache.sticky = admin->cache.sticky; break; case VCAP_SEL_ALL: pr_err("%s:%d: cannot write all streams at once\n", __func__, __LINE__); break; } } /* Callback used by the VCAP API */ static void test_cache_update(struct net_device *ndev, struct vcap_admin *admin, enum vcap_command cmd, enum vcap_selection sel, u32 addr) { if (test_updateaddridx < ARRAY_SIZE(test_updateaddr)) test_updateaddr[test_updateaddridx] = addr; else pr_err("%s:%d: overflow: %d\n", __func__, __LINE__, test_updateaddridx); test_updateaddridx++; } static void test_cache_move(struct net_device *ndev, struct vcap_admin *admin, u32 addr, int offset, int count) { test_move_addr = addr; test_move_offset = offset; test_move_count = count; } /* Provide port information via a callback interface */ static int vcap_test_port_info(struct net_device *ndev, struct vcap_admin *admin, struct vcap_output_print *out) { return 0; } static struct vcap_operations test_callbacks = { .validate_keyset = test_val_keyset, .add_default_fields = test_add_def_fields, .cache_erase = test_cache_erase, .cache_write = test_cache_write, .cache_read = test_cache_read, .init = test_cache_init, .update = test_cache_update, .move = test_cache_move, .port_info = vcap_test_port_info, }; static struct vcap_control test_vctrl = { .vcaps = kunit_test_vcaps, .stats = &kunit_test_vcap_stats, .ops = &test_callbacks, }; static void vcap_test_api_init(struct vcap_admin *admin) { /* Initialize the shared objects */ INIT_LIST_HEAD(&test_vctrl.list); INIT_LIST_HEAD(&admin->list); INIT_LIST_HEAD(&admin->rules); INIT_LIST_HEAD(&admin->enabled); mutex_init(&admin->lock); list_add_tail(&admin->list, &test_vctrl.list); memset(test_updateaddr, 0, sizeof(test_updateaddr)); test_updateaddridx = 0; } /* Helper function to create a rule of a specific size */ static void test_vcap_xn_rule_creator(struct kunit *test, int cid, enum vcap_user user, u16 priority, int id, int size, int expected_addr) { struct vcap_rule *rule; struct vcap_rule_internal *ri; enum vcap_keyfield_set keyset = VCAP_KFS_NO_VALUE; enum vcap_actionfield_set actionset = VCAP_AFS_NO_VALUE; int ret; /* init before testing */ memset(test_updateaddr, 0, sizeof(test_updateaddr)); test_updateaddridx = 0; test_move_addr = 0; test_move_offset = 0; test_move_count = 0; switch (size) { case 2: keyset = VCAP_KFS_ETAG; actionset = VCAP_AFS_CLASS_REDUCED; break; case 3: keyset = VCAP_KFS_PURE_5TUPLE_IP4; actionset = VCAP_AFS_CLASSIFICATION; break; case 6: keyset = VCAP_KFS_NORMAL_5TUPLE_IP4; actionset = VCAP_AFS_CLASSIFICATION; break; case 12: keyset = VCAP_KFS_NORMAL_7TUPLE; actionset = VCAP_AFS_FULL; break; default: break; } /* Check that a valid size was used */ KUNIT_ASSERT_NE(test, VCAP_KFS_NO_VALUE, keyset); /* Allocate the rule */ rule = vcap_alloc_rule(&test_vctrl, &test_netdev, cid, user, priority, id); KUNIT_EXPECT_PTR_NE(test, NULL, rule); ri = (struct vcap_rule_internal *)rule; /* Override rule keyset */ ret = vcap_set_rule_set_keyset(rule, keyset); /* Add rule actions : there must be at least one action */ ret = vcap_rule_add_action_u32(rule, VCAP_AF_ISDX_VAL, 0); /* Override rule actionset */ ret = vcap_set_rule_set_actionset(rule, actionset); ret = vcap_val_rule(rule, ETH_P_ALL); KUNIT_EXPECT_EQ(test, 0, ret); KUNIT_EXPECT_EQ(test, keyset, rule->keyset); KUNIT_EXPECT_EQ(test, actionset, rule->actionset); KUNIT_EXPECT_EQ(test, size, ri->size); /* Add rule with write callback */ ret = vcap_add_rule(rule); KUNIT_EXPECT_EQ(test, 0, ret); KUNIT_EXPECT_EQ(test, expected_addr, ri->addr); vcap_free_rule(rule); } /* Prepare testing rule deletion */ static void test_init_rule_deletion(void) { test_move_addr = 0; test_move_offset = 0; test_move_count = 0; test_init_start = 0; test_init_count = 0; } /* Define the test cases. */ static void vcap_api_set_bit_1_test(struct kunit *test) { struct vcap_stream_iter iter = { .offset = 35, .sw_width = 52, .reg_idx = 1, .reg_bitpos = 20, .tg = NULL, }; u32 stream[2] = {0}; vcap_set_bit(stream, &iter, 1); KUNIT_EXPECT_EQ(test, (u32)0x0, stream[0]); KUNIT_EXPECT_EQ(test, (u32)BIT(20), stream[1]); } static void vcap_api_set_bit_0_test(struct kunit *test) { struct vcap_stream_iter iter = { .offset = 35, .sw_width = 52, .reg_idx = 2, .reg_bitpos = 11, .tg = NULL, }; u32 stream[3] = {~0, ~0, ~0}; vcap_set_bit(stream, &iter, 0); KUNIT_EXPECT_EQ(test, (u32)~0, stream[0]); KUNIT_EXPECT_EQ(test, (u32)~0, stream[1]); KUNIT_EXPECT_EQ(test, (u32)~BIT(11), stream[2]); } static void vcap_api_iterator_init_test(struct kunit *test) { struct vcap_stream_iter iter; struct vcap_typegroup typegroups[] = { { .offset = 0, .width = 2, .value = 2, }, { .offset = 156, .width = 1, .value = 0, }, { .offset = 0, .width = 0, .value = 0, }, }; struct vcap_typegroup typegroups2[] = { { .offset = 0, .width = 3, .value = 4, }, { .offset = 49, .width = 2, .value = 0, }, { .offset = 98, .width = 2, .value = 0, }, }; vcap_iter_init(&iter, 52, typegroups, 86); KUNIT_EXPECT_EQ(test, 52, iter.sw_width); KUNIT_EXPECT_EQ(test, 86 + 2, iter.offset); KUNIT_EXPECT_EQ(test, 3, iter.reg_idx); KUNIT_EXPECT_EQ(test, 4, iter.reg_bitpos); vcap_iter_init(&iter, 49, typegroups2, 134); KUNIT_EXPECT_EQ(test, 49, iter.sw_width); KUNIT_EXPECT_EQ(test, 134 + 7, iter.offset); KUNIT_EXPECT_EQ(test, 5, iter.reg_idx); KUNIT_EXPECT_EQ(test, 11, iter.reg_bitpos); } static void vcap_api_iterator_next_test(struct kunit *test) { struct vcap_stream_iter iter; struct vcap_typegroup typegroups[] = { { .offset = 0, .width = 4, .value = 8, }, { .offset = 49, .width = 1, .value = 0, }, { .offset = 98, .width = 2, .value = 0, }, { .offset = 147, .width = 3, .value = 0, }, { .offset = 196, .width = 2, .value = 0, }, { .offset = 245, .width = 1, .value = 0, }, }; int idx; vcap_iter_init(&iter, 49, typegroups, 86); KUNIT_EXPECT_EQ(test, 49, iter.sw_width); KUNIT_EXPECT_EQ(test, 86 + 5, iter.offset); KUNIT_EXPECT_EQ(test, 3, iter.reg_idx); KUNIT_EXPECT_EQ(test, 10, iter.reg_bitpos); vcap_iter_next(&iter); KUNIT_EXPECT_EQ(test, 91 + 1, iter.offset); KUNIT_EXPECT_EQ(test, 3, iter.reg_idx); KUNIT_EXPECT_EQ(test, 11, iter.reg_bitpos); for (idx = 0; idx < 6; idx++) vcap_iter_next(&iter); KUNIT_EXPECT_EQ(test, 92 + 6 + 2, iter.offset); KUNIT_EXPECT_EQ(test, 4, iter.reg_idx); KUNIT_EXPECT_EQ(test, 2, iter.reg_bitpos); } static void vcap_api_encode_typegroups_test(struct kunit *test) { u32 stream[12] = {0}; struct vcap_typegroup typegroups[] = { { .offset = 0, .width = 4, .value = 8, }, { .offset = 49, .width = 1, .value = 1, }, { .offset = 98, .width = 2, .value = 3, }, { .offset = 147, .width = 3, .value = 5, }, { .offset = 196, .width = 2, .value = 2, }, { .offset = 245, .width = 5, .value = 27, }, { .offset = 0, .width = 0, .value = 0, }, }; vcap_encode_typegroups(stream, 49, typegroups, false); KUNIT_EXPECT_EQ(test, (u32)0x8, stream[0]); KUNIT_EXPECT_EQ(test, (u32)0x0, stream[1]); KUNIT_EXPECT_EQ(test, (u32)0x1, stream[2]); KUNIT_EXPECT_EQ(test, (u32)0x0, stream[3]); KUNIT_EXPECT_EQ(test, (u32)0x3, stream[4]); KUNIT_EXPECT_EQ(test, (u32)0x0, stream[5]); KUNIT_EXPECT_EQ(test, (u32)0x5, stream[6]); KUNIT_EXPECT_EQ(test, (u32)0x0, stream[7]); KUNIT_EXPECT_EQ(test, (u32)0x2, stream[8]); KUNIT_EXPECT_EQ(test, (u32)0x0, stream[9]); KUNIT_EXPECT_EQ(test, (u32)27, stream[10]); KUNIT_EXPECT_EQ(test, (u32)0x0, stream[11]); } static void vcap_api_encode_bit_test(struct kunit *test) { struct vcap_stream_iter iter; u32 stream[4] = {0}; struct vcap_typegroup typegroups[] = { { .offset = 0, .width = 4, .value = 8, }, { .offset = 49, .width = 1, .value = 1, }, { .offset = 98, .width = 2, .value = 3, }, { .offset = 147, .width = 3, .value = 5, }, { .offset = 196, .width = 2, .value = 2, }, { .offset = 245, .width = 1, .value = 0, }, }; vcap_iter_init(&iter, 49, typegroups, 44); KUNIT_EXPECT_EQ(test, 48, iter.offset); KUNIT_EXPECT_EQ(test, 1, iter.reg_idx); KUNIT_EXPECT_EQ(test, 16, iter.reg_bitpos); vcap_encode_bit(stream, &iter, 1); KUNIT_EXPECT_EQ(test, (u32)0x0, stream[0]); KUNIT_EXPECT_EQ(test, (u32)BIT(16), stream[1]); KUNIT_EXPECT_EQ(test, (u32)0x0, stream[2]); } static void vcap_api_encode_field_test(struct kunit *test) { struct vcap_stream_iter iter; u32 stream[16] = {0}; struct vcap_typegroup typegroups[] = { { .offset = 0, .width = 4, .value = 8, }, { .offset = 49, .width = 1, .value = 1, }, { .offset = 98, .width = 2, .value = 3, }, { .offset = 147, .width = 3, .value = 5, }, { .offset = 196, .width = 2, .value = 2, }, { .offset = 245, .width = 5, .value = 27, }, { .offset = 0, .width = 0, .value = 0, }, }; struct vcap_field rf = { .type = VCAP_FIELD_U32, .offset = 86, .width = 4, }; u8 value[] = {0x5}; vcap_iter_init(&iter, 49, typegroups, rf.offset); KUNIT_EXPECT_EQ(test, 91, iter.offset); KUNIT_EXPECT_EQ(test, 3, iter.reg_idx); KUNIT_EXPECT_EQ(test, 10, iter.reg_bitpos); vcap_encode_field(stream, &iter, rf.width, value); KUNIT_EXPECT_EQ(test, (u32)0x0, stream[0]); KUNIT_EXPECT_EQ(test, (u32)0x0, stream[1]); KUNIT_EXPECT_EQ(test, (u32)0x0, stream[2]); KUNIT_EXPECT_EQ(test, (u32)(0x5 << 10), stream[3]); KUNIT_EXPECT_EQ(test, (u32)0x0, stream[4]); vcap_encode_typegroups(stream, 49, typegroups, false); KUNIT_EXPECT_EQ(test, (u32)0x8, stream[0]); KUNIT_EXPECT_EQ(test, (u32)0x0, stream[1]); KUNIT_EXPECT_EQ(test, (u32)0x1, stream[2]); KUNIT_EXPECT_EQ(test, (u32)(0x5 << 10), stream[3]); KUNIT_EXPECT_EQ(test, (u32)0x3, stream[4]); KUNIT_EXPECT_EQ(test, (u32)0x0, stream[5]); KUNIT_EXPECT_EQ(test, (u32)0x5, stream[6]); KUNIT_EXPECT_EQ(test, (u32)0x0, stream[7]); KUNIT_EXPECT_EQ(test, (u32)0x2, stream[8]); KUNIT_EXPECT_EQ(test, (u32)0x0, stream[9]); KUNIT_EXPECT_EQ(test, (u32)27, stream[10]); KUNIT_EXPECT_EQ(test, (u32)0x0, stream[11]); } /* In this testcase the subword is smaller than a register */ static void vcap_api_encode_short_field_test(struct kunit *test) { struct vcap_stream_iter iter; int sw_width = 21; u32 stream[6] = {0}; struct vcap_typegroup tgt[] = { { .offset = 0, .width = 3, .value = 7, }, { .offset = 21, .width = 2, .value = 3, }, { .offset = 42, .width = 1, .value = 1, }, { .offset = 0, .width = 0, .value = 0, }, }; struct vcap_field rf = { .type = VCAP_FIELD_U32, .offset = 25, .width = 4, }; u8 value[] = {0x5}; vcap_iter_init(&iter, sw_width, tgt, rf.offset); KUNIT_EXPECT_EQ(test, 1, iter.regs_per_sw); KUNIT_EXPECT_EQ(test, 21, iter.sw_width); KUNIT_EXPECT_EQ(test, 25 + 3 + 2, iter.offset); KUNIT_EXPECT_EQ(test, 1, iter.reg_idx); KUNIT_EXPECT_EQ(test, 25 + 3 + 2 - sw_width, iter.reg_bitpos); vcap_encode_field(stream, &iter, rf.width, value); KUNIT_EXPECT_EQ(test, (u32)0x0, stream[0]); KUNIT_EXPECT_EQ(test, (u32)(0x5 << (25 + 3 + 2 - sw_width)), stream[1]); KUNIT_EXPECT_EQ(test, (u32)0x0, stream[2]); KUNIT_EXPECT_EQ(test, (u32)0x0, stream[3]); KUNIT_EXPECT_EQ(test, (u32)0x0, stream[4]); KUNIT_EXPECT_EQ(test, (u32)0x0, stream[5]); vcap_encode_typegroups(stream, sw_width, tgt, false); KUNIT_EXPECT_EQ(test, (u32)7, stream[0]); KUNIT_EXPECT_EQ(test, (u32)((0x5 << (25 + 3 + 2 - sw_width)) + 3), stream[1]); KUNIT_EXPECT_EQ(test, (u32)1, stream[2]); KUNIT_EXPECT_EQ(test, (u32)0, stream[3]); KUNIT_EXPECT_EQ(test, (u32)0, stream[4]); KUNIT_EXPECT_EQ(test, (u32)0, stream[5]); } static void vcap_api_encode_keyfield_test(struct kunit *test) { u32 keywords[16] = {0}; u32 maskwords[16] = {0}; struct vcap_admin admin = { .vtype = VCAP_TYPE_IS2, .cache = { .keystream = keywords, .maskstream = maskwords, .actionstream = keywords, }, }; struct vcap_rule_internal rule = { .admin = &admin, .data = { .keyset = VCAP_KFS_MAC_ETYPE, }, .vctrl = &test_vctrl, }; struct vcap_client_keyfield ckf = { .ctrl.list = {}, .ctrl.key = VCAP_KF_ISDX_CLS, .ctrl.type = VCAP_FIELD_U32, .data.u32.value = 0xeef014a1, .data.u32.mask = 0xfff, }; struct vcap_field rf = { .type = VCAP_FIELD_U32, .offset = 56, .width = 12, }; struct vcap_typegroup tgt[] = { { .offset = 0, .width = 2, .value = 2, }, { .offset = 156, .width = 1, .value = 1, }, { .offset = 0, .width = 0, .value = 0, }, }; vcap_test_api_init(&admin); vcap_encode_keyfield(&rule, &ckf, &rf, tgt); /* Key */ KUNIT_EXPECT_EQ(test, (u32)0x0, keywords[0]); KUNIT_EXPECT_EQ(test, (u32)0x0, keywords[1]); KUNIT_EXPECT_EQ(test, (u32)(0x04a1 << 6), keywords[2]); KUNIT_EXPECT_EQ(test, (u32)0x0, keywords[3]); KUNIT_EXPECT_EQ(test, (u32)0x0, keywords[4]); KUNIT_EXPECT_EQ(test, (u32)0x0, keywords[5]); KUNIT_EXPECT_EQ(test, (u32)0x0, keywords[6]); /* Mask */ KUNIT_EXPECT_EQ(test, (u32)0x0, maskwords[0]); KUNIT_EXPECT_EQ(test, (u32)0x0, maskwords[1]); KUNIT_EXPECT_EQ(test, (u32)(0x0fff << 6), maskwords[2]); KUNIT_EXPECT_EQ(test, (u32)0x0, maskwords[3]); KUNIT_EXPECT_EQ(test, (u32)0x0, maskwords[4]); KUNIT_EXPECT_EQ(test, (u32)0x0, maskwords[5]); KUNIT_EXPECT_EQ(test, (u32)0x0, maskwords[6]); } static void vcap_api_encode_max_keyfield_test(struct kunit *test) { int idx; u32 keywords[6] = {0}; u32 maskwords[6] = {0}; struct vcap_admin admin = { .vtype = VCAP_TYPE_IS2, /* IS2 sw_width = 52 bit */ .cache = { .keystream = keywords, .maskstream = maskwords, .actionstream = keywords, }, }; struct vcap_rule_internal rule = { .admin = &admin, .data = { .keyset = VCAP_KFS_IP_7TUPLE, }, .vctrl = &test_vctrl, }; struct vcap_client_keyfield ckf = { .ctrl.list = {}, .ctrl.key = VCAP_KF_L3_IP6_DIP, .ctrl.type = VCAP_FIELD_U128, .data.u128.value = { 0xa1, 0xa2, 0xa3, 0xa4, 0, 0, 0x43, 0, 0, 0, 0, 0, 0, 0, 0x78, 0x8e, }, .data.u128.mask = { 0xff, 0xff, 0xff, 0xff, 0, 0, 0xff, 0, 0, 0, 0, 0, 0, 0, 0xff, 0xff }, }; struct vcap_field rf = { .type = VCAP_FIELD_U128, .offset = 0, .width = 128, }; struct vcap_typegroup tgt[] = { { .offset = 0, .width = 2, .value = 2, }, { .offset = 156, .width = 1, .value = 1, }, { .offset = 0, .width = 0, .value = 0, }, }; u32 keyres[] = { 0x928e8a84, 0x000c0002, 0x00000010, 0x00000000, 0x0239e000, 0x00000000, }; u32 mskres[] = { 0xfffffffc, 0x000c0003, 0x0000003f, 0x00000000, 0x03fffc00, 0x00000000, }; vcap_encode_keyfield(&rule, &ckf, &rf, tgt); /* Key */ for (idx = 0; idx < ARRAY_SIZE(keyres); ++idx) KUNIT_EXPECT_EQ(test, keyres[idx], keywords[idx]); /* Mask */ for (idx = 0; idx < ARRAY_SIZE(mskres); ++idx) KUNIT_EXPECT_EQ(test, mskres[idx], maskwords[idx]); } static void vcap_api_encode_actionfield_test(struct kunit *test) { u32 actwords[16] = {0}; int sw_width = 21; struct vcap_admin admin = { .vtype = VCAP_TYPE_ES2, /* act_width = 21 */ .cache = { .actionstream = actwords, }, }; struct vcap_rule_internal rule = { .admin = &admin, .data = { .actionset = VCAP_AFS_BASE_TYPE, }, .vctrl = &test_vctrl, }; struct vcap_client_actionfield caf = { .ctrl.list = {}, .ctrl.action = VCAP_AF_POLICE_IDX, .ctrl.type = VCAP_FIELD_U32, .data.u32.value = 0x67908032, }; struct vcap_field rf = { .type = VCAP_FIELD_U32, .offset = 35, .width = 6, }; struct vcap_typegroup tgt[] = { { .offset = 0, .width = 2, .value = 2, }, { .offset = 21, .width = 1, .value = 1, }, { .offset = 42, .width = 1, .value = 0, }, { .offset = 0, .width = 0, .value = 0, }, }; vcap_encode_actionfield(&rule, &caf, &rf, tgt); /* Action */ KUNIT_EXPECT_EQ(test, (u32)0x0, actwords[0]); KUNIT_EXPECT_EQ(test, (u32)((0x32 << (35 + 2 + 1 - sw_width)) & 0x1fffff), actwords[1]); KUNIT_EXPECT_EQ(test, (u32)((0x32 >> ((2 * sw_width) - 38 - 1))), actwords[2]); KUNIT_EXPECT_EQ(test, (u32)0x0, actwords[3]); KUNIT_EXPECT_EQ(test, (u32)0x0, actwords[4]); KUNIT_EXPECT_EQ(test, (u32)0x0, actwords[5]); KUNIT_EXPECT_EQ(test, (u32)0x0, actwords[6]); } static void vcap_api_keyfield_typegroup_test(struct kunit *test) { const struct vcap_typegroup *tg; tg = vcap_keyfield_typegroup(&test_vctrl, VCAP_TYPE_IS2, VCAP_KFS_MAC_ETYPE); KUNIT_EXPECT_PTR_NE(test, NULL, tg); KUNIT_EXPECT_EQ(test, 0, tg[0].offset); KUNIT_EXPECT_EQ(test, 2, tg[0].width); KUNIT_EXPECT_EQ(test, 2, tg[0].value); KUNIT_EXPECT_EQ(test, 156, tg[1].offset); KUNIT_EXPECT_EQ(test, 1, tg[1].width); KUNIT_EXPECT_EQ(test, 0, tg[1].value); KUNIT_EXPECT_EQ(test, 0, tg[2].offset); KUNIT_EXPECT_EQ(test, 0, tg[2].width); KUNIT_EXPECT_EQ(test, 0, tg[2].value); tg = vcap_keyfield_typegroup(&test_vctrl, VCAP_TYPE_ES2, VCAP_KFS_LL_FULL); KUNIT_EXPECT_PTR_EQ(test, NULL, tg); } static void vcap_api_actionfield_typegroup_test(struct kunit *test) { const struct vcap_typegroup *tg; tg = vcap_actionfield_typegroup(&test_vctrl, VCAP_TYPE_IS0, VCAP_AFS_FULL); KUNIT_EXPECT_PTR_NE(test, NULL, tg); KUNIT_EXPECT_EQ(test, 0, tg[0].offset); KUNIT_EXPECT_EQ(test, 3, tg[0].width); KUNIT_EXPECT_EQ(test, 4, tg[0].value); KUNIT_EXPECT_EQ(test, 110, tg[1].offset); KUNIT_EXPECT_EQ(test, 2, tg[1].width); KUNIT_EXPECT_EQ(test, 0, tg[1].value); KUNIT_EXPECT_EQ(test, 220, tg[2].offset); KUNIT_EXPECT_EQ(test, 2, tg[2].width); KUNIT_EXPECT_EQ(test, 0, tg[2].value); KUNIT_EXPECT_EQ(test, 0, tg[3].offset); KUNIT_EXPECT_EQ(test, 0, tg[3].width); KUNIT_EXPECT_EQ(test, 0, tg[3].value); tg = vcap_actionfield_typegroup(&test_vctrl, VCAP_TYPE_IS2, VCAP_AFS_CLASSIFICATION); KUNIT_EXPECT_PTR_EQ(test, NULL, tg); } static void vcap_api_vcap_keyfields_test(struct kunit *test) { const struct vcap_field *ft; ft = vcap_keyfields(&test_vctrl, VCAP_TYPE_IS2, VCAP_KFS_MAC_ETYPE); KUNIT_EXPECT_PTR_NE(test, NULL, ft); /* Keyset that is not available and within the maximum keyset enum value */ ft = vcap_keyfields(&test_vctrl, VCAP_TYPE_ES2, VCAP_KFS_PURE_5TUPLE_IP4); KUNIT_EXPECT_PTR_EQ(test, NULL, ft); /* Keyset that is not available and beyond the maximum keyset enum value */ ft = vcap_keyfields(&test_vctrl, VCAP_TYPE_ES2, VCAP_KFS_LL_FULL); KUNIT_EXPECT_PTR_EQ(test, NULL, ft); } static void vcap_api_vcap_actionfields_test(struct kunit *test) { const struct vcap_field *ft; ft = vcap_actionfields(&test_vctrl, VCAP_TYPE_IS0, VCAP_AFS_FULL); KUNIT_EXPECT_PTR_NE(test, NULL, ft); ft = vcap_actionfields(&test_vctrl, VCAP_TYPE_IS2, VCAP_AFS_FULL); KUNIT_EXPECT_PTR_EQ(test, NULL, ft); ft = vcap_actionfields(&test_vctrl, VCAP_TYPE_IS2, VCAP_AFS_CLASSIFICATION); KUNIT_EXPECT_PTR_EQ(test, NULL, ft); } static void vcap_api_encode_rule_keyset_test(struct kunit *test) { u32 keywords[16] = {0}; u32 maskwords[16] = {0}; struct vcap_admin admin = { .vtype = VCAP_TYPE_IS2, .cache = { .keystream = keywords, .maskstream = maskwords, }, }; struct vcap_rule_internal rule = { .admin = &admin, .data = { .keyset = VCAP_KFS_MAC_ETYPE, }, .vctrl = &test_vctrl, }; struct vcap_client_keyfield ckf[] = { { .ctrl.key = VCAP_KF_TYPE, .ctrl.type = VCAP_FIELD_U32, .data.u32.value = 0x00, .data.u32.mask = 0x0f, }, { .ctrl.key = VCAP_KF_LOOKUP_FIRST_IS, .ctrl.type = VCAP_FIELD_BIT, .data.u1.value = 0x01, .data.u1.mask = 0x01, }, { .ctrl.key = VCAP_KF_IF_IGR_PORT_MASK_L3, .ctrl.type = VCAP_FIELD_BIT, .data.u1.value = 0x00, .data.u1.mask = 0x01, }, { .ctrl.key = VCAP_KF_IF_IGR_PORT_MASK_RNG, .ctrl.type = VCAP_FIELD_U32, .data.u32.value = 0x00, .data.u32.mask = 0x0f, }, { .ctrl.key = VCAP_KF_IF_IGR_PORT_MASK, .ctrl.type = VCAP_FIELD_U72, .data.u72.value = {0x0, 0x00, 0x00, 0x00}, .data.u72.mask = {0xfd, 0xff, 0xff, 0xff}, }, { .ctrl.key = VCAP_KF_L2_DMAC, .ctrl.type = VCAP_FIELD_U48, /* Opposite endianness */ .data.u48.value = {0x01, 0x02, 0x03, 0x04, 0x05, 0x06}, .data.u48.mask = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff}, }, { .ctrl.key = VCAP_KF_ETYPE_LEN_IS, .ctrl.type = VCAP_FIELD_BIT, .data.u1.value = 0x01, .data.u1.mask = 0x01, }, { .ctrl.key = VCAP_KF_ETYPE, .ctrl.type = VCAP_FIELD_U32, .data.u32.value = 0xaabb, .data.u32.mask = 0xffff, }, }; int idx; int ret; /* Empty entry list */ INIT_LIST_HEAD(&rule.data.keyfields); ret = vcap_encode_rule_keyset(&rule); KUNIT_EXPECT_EQ(test, -EINVAL, ret); for (idx = 0; idx < ARRAY_SIZE(ckf); idx++) list_add_tail(&ckf[idx].ctrl.list, &rule.data.keyfields); ret = vcap_encode_rule_keyset(&rule); KUNIT_EXPECT_EQ(test, 0, ret); /* The key and mask values below are from an actual Sparx5 rule config */ /* Key */ KUNIT_EXPECT_EQ(test, (u32)0x00000042, keywords[0]); KUNIT_EXPECT_EQ(test, (u32)0x00000000, keywords[1]); KUNIT_EXPECT_EQ(test, (u32)0x00000000, keywords[2]); KUNIT_EXPECT_EQ(test, (u32)0x00020100, keywords[3]); KUNIT_EXPECT_EQ(test, (u32)0x60504030, keywords[4]); KUNIT_EXPECT_EQ(test, (u32)0x00000000, keywords[5]); KUNIT_EXPECT_EQ(test, (u32)0x00000000, keywords[6]); KUNIT_EXPECT_EQ(test, (u32)0x0002aaee, keywords[7]); KUNIT_EXPECT_EQ(test, (u32)0x00000000, keywords[8]); KUNIT_EXPECT_EQ(test, (u32)0x00000000, keywords[9]); KUNIT_EXPECT_EQ(test, (u32)0x00000000, keywords[10]); KUNIT_EXPECT_EQ(test, (u32)0x00000000, keywords[11]); /* Mask: they will be inverted when applied to the register */ KUNIT_EXPECT_EQ(test, (u32)~0x00b07f80, maskwords[0]); KUNIT_EXPECT_EQ(test, (u32)~0xfff00000, maskwords[1]); KUNIT_EXPECT_EQ(test, (u32)~0xfffffffc, maskwords[2]); KUNIT_EXPECT_EQ(test, (u32)~0xfff000ff, maskwords[3]); KUNIT_EXPECT_EQ(test, (u32)~0x00000000, maskwords[4]); KUNIT_EXPECT_EQ(test, (u32)~0xfffffff0, maskwords[5]); KUNIT_EXPECT_EQ(test, (u32)~0xfffffffe, maskwords[6]); KUNIT_EXPECT_EQ(test, (u32)~0xfffc0001, maskwords[7]); KUNIT_EXPECT_EQ(test, (u32)~0xffffffff, maskwords[8]); KUNIT_EXPECT_EQ(test, (u32)~0xffffffff, maskwords[9]); KUNIT_EXPECT_EQ(test, (u32)~0xffffffff, maskwords[10]); KUNIT_EXPECT_EQ(test, (u32)~0xffffffff, maskwords[11]); } static void vcap_api_encode_rule_actionset_test(struct kunit *test) { u32 actwords[16] = {0}; struct vcap_admin admin = { .vtype = VCAP_TYPE_IS2, .cache = { .actionstream = actwords, }, }; struct vcap_rule_internal rule = { .admin = &admin, .data = { .actionset = VCAP_AFS_BASE_TYPE, }, .vctrl = &test_vctrl, }; struct vcap_client_actionfield caf[] = { { .ctrl.action = VCAP_AF_MATCH_ID, .ctrl.type = VCAP_FIELD_U32, .data.u32.value = 0x01, }, { .ctrl.action = VCAP_AF_MATCH_ID_MASK, .ctrl.type = VCAP_FIELD_U32, .data.u32.value = 0x01, }, { .ctrl.action = VCAP_AF_CNT_ID, .ctrl.type = VCAP_FIELD_U32, .data.u32.value = 0x64, }, }; int idx; int ret; /* Empty entry list */ INIT_LIST_HEAD(&rule.data.actionfields); ret = vcap_encode_rule_actionset(&rule); /* We allow rules with no actions */ KUNIT_EXPECT_EQ(test, 0, ret); for (idx = 0; idx < ARRAY_SIZE(caf); idx++) list_add_tail(&caf[idx].ctrl.list, &rule.data.actionfields); ret = vcap_encode_rule_actionset(&rule); KUNIT_EXPECT_EQ(test, 0, ret); /* The action values below are from an actual Sparx5 rule config */ KUNIT_EXPECT_EQ(test, (u32)0x00000002, actwords[0]); KUNIT_EXPECT_EQ(test, (u32)0x00000000, actwords[1]); KUNIT_EXPECT_EQ(test, (u32)0x00000000, actwords[2]); KUNIT_EXPECT_EQ(test, (u32)0x00000000, actwords[3]); KUNIT_EXPECT_EQ(test, (u32)0x00000000, actwords[4]); KUNIT_EXPECT_EQ(test, (u32)0x00100000, actwords[5]); KUNIT_EXPECT_EQ(test, (u32)0x06400010, actwords[6]); KUNIT_EXPECT_EQ(test, (u32)0x00000000, actwords[7]); KUNIT_EXPECT_EQ(test, (u32)0x00000000, actwords[8]); KUNIT_EXPECT_EQ(test, (u32)0x00000000, actwords[9]); KUNIT_EXPECT_EQ(test, (u32)0x00000000, actwords[10]); KUNIT_EXPECT_EQ(test, (u32)0x00000000, actwords[11]); } static void vcap_free_ckf(struct vcap_rule *rule) { struct vcap_client_keyfield *ckf, *next_ckf; list_for_each_entry_safe(ckf, next_ckf, &rule->keyfields, ctrl.list) { list_del(&ckf->ctrl.list); kfree(ckf); } } static void vcap_api_rule_add_keyvalue_test(struct kunit *test) { struct vcap_admin admin = { .vtype = VCAP_TYPE_IS2, }; struct vcap_rule_internal ri = { .admin = &admin, .data = { .keyset = VCAP_KFS_NO_VALUE, }, .vctrl = &test_vctrl, }; struct vcap_rule *rule = (struct vcap_rule *)&ri; struct vcap_client_keyfield *kf; int ret; struct vcap_u128_key dip = { .value = {0x17, 0x26, 0x35, 0x44, 0x63, 0x62, 0x71}, .mask = {0xf1, 0xf2, 0xf3, 0xf4, 0x4f, 0x3f, 0x2f, 0x1f}, }; int idx; INIT_LIST_HEAD(&rule->keyfields); ret = vcap_rule_add_key_bit(rule, VCAP_KF_LOOKUP_FIRST_IS, VCAP_BIT_0); KUNIT_EXPECT_EQ(test, 0, ret); ret = list_empty(&rule->keyfields); KUNIT_EXPECT_EQ(test, false, ret); kf = list_first_entry(&rule->keyfields, struct vcap_client_keyfield, ctrl.list); KUNIT_EXPECT_EQ(test, VCAP_KF_LOOKUP_FIRST_IS, kf->ctrl.key); KUNIT_EXPECT_EQ(test, VCAP_FIELD_BIT, kf->ctrl.type); KUNIT_EXPECT_EQ(test, 0x0, kf->data.u1.value); KUNIT_EXPECT_EQ(test, 0x1, kf->data.u1.mask); vcap_free_ckf(rule); INIT_LIST_HEAD(&rule->keyfields); ret = vcap_rule_add_key_bit(rule, VCAP_KF_LOOKUP_FIRST_IS, VCAP_BIT_1); KUNIT_EXPECT_EQ(test, 0, ret); ret = list_empty(&rule->keyfields); KUNIT_EXPECT_EQ(test, false, ret); kf = list_first_entry(&rule->keyfields, struct vcap_client_keyfield, ctrl.list); KUNIT_EXPECT_EQ(test, VCAP_KF_LOOKUP_FIRST_IS, kf->ctrl.key); KUNIT_EXPECT_EQ(test, VCAP_FIELD_BIT, kf->ctrl.type); KUNIT_EXPECT_EQ(test, 0x1, kf->data.u1.value); KUNIT_EXPECT_EQ(test, 0x1, kf->data.u1.mask); vcap_free_ckf(rule); INIT_LIST_HEAD(&rule->keyfields); ret = vcap_rule_add_key_bit(rule, VCAP_KF_LOOKUP_FIRST_IS, VCAP_BIT_ANY); KUNIT_EXPECT_EQ(test, 0, ret); ret = list_empty(&rule->keyfields); KUNIT_EXPECT_EQ(test, false, ret); kf = list_first_entry(&rule->keyfields, struct vcap_client_keyfield, ctrl.list); KUNIT_EXPECT_EQ(test, VCAP_KF_LOOKUP_FIRST_IS, kf->ctrl.key); KUNIT_EXPECT_EQ(test, VCAP_FIELD_BIT, kf->ctrl.type); KUNIT_EXPECT_EQ(test, 0x0, kf->data.u1.value); KUNIT_EXPECT_EQ(test, 0x0, kf->data.u1.mask); vcap_free_ckf(rule); INIT_LIST_HEAD(&rule->keyfields); ret = vcap_rule_add_key_u32(rule, VCAP_KF_TYPE, 0x98765432, 0xff00ffab); KUNIT_EXPECT_EQ(test, 0, ret); ret = list_empty(&rule->keyfields); KUNIT_EXPECT_EQ(test, false, ret); kf = list_first_entry(&rule->keyfields, struct vcap_client_keyfield, ctrl.list); KUNIT_EXPECT_EQ(test, VCAP_KF_TYPE, kf->ctrl.key); KUNIT_EXPECT_EQ(test, VCAP_FIELD_U32, kf->ctrl.type); KUNIT_EXPECT_EQ(test, 0x98765432, kf->data.u32.value); KUNIT_EXPECT_EQ(test, 0xff00ffab, kf->data.u32.mask); vcap_free_ckf(rule); INIT_LIST_HEAD(&rule->keyfields); ret = vcap_rule_add_key_u128(rule, VCAP_KF_L3_IP6_SIP, &dip); KUNIT_EXPECT_EQ(test, 0, ret); ret = list_empty(&rule->keyfields); KUNIT_EXPECT_EQ(test, false, ret); kf = list_first_entry(&rule->keyfields, struct vcap_client_keyfield, ctrl.list); KUNIT_EXPECT_EQ(test, VCAP_KF_L3_IP6_SIP, kf->ctrl.key); KUNIT_EXPECT_EQ(test, VCAP_FIELD_U128, kf->ctrl.type); for (idx = 0; idx < ARRAY_SIZE(dip.value); ++idx) KUNIT_EXPECT_EQ(test, dip.value[idx], kf->data.u128.value[idx]); for (idx = 0; idx < ARRAY_SIZE(dip.mask); ++idx) KUNIT_EXPECT_EQ(test, dip.mask[idx], kf->data.u128.mask[idx]); vcap_free_ckf(rule); } static void vcap_free_caf(struct vcap_rule *rule) { struct vcap_client_actionfield *caf, *next_caf; list_for_each_entry_safe(caf, next_caf, &rule->actionfields, ctrl.list) { list_del(&caf->ctrl.list); kfree(caf); } } static void vcap_api_rule_add_actionvalue_test(struct kunit *test) { struct vcap_admin admin = { .vtype = VCAP_TYPE_IS2, }; struct vcap_rule_internal ri = { .admin = &admin, .data = { .actionset = VCAP_AFS_NO_VALUE, }, }; struct vcap_rule *rule = (struct vcap_rule *)&ri; struct vcap_client_actionfield *af; int ret; INIT_LIST_HEAD(&rule->actionfields); ret = vcap_rule_add_action_bit(rule, VCAP_AF_POLICE_ENA, VCAP_BIT_0); KUNIT_EXPECT_EQ(test, 0, ret); ret = list_empty(&rule->actionfields); KUNIT_EXPECT_EQ(test, false, ret); af = list_first_entry(&rule->actionfields, struct vcap_client_actionfield, ctrl.list); KUNIT_EXPECT_EQ(test, VCAP_AF_POLICE_ENA, af->ctrl.action); KUNIT_EXPECT_EQ(test, VCAP_FIELD_BIT, af->ctrl.type); KUNIT_EXPECT_EQ(test, 0x0, af->data.u1.value); vcap_free_caf(rule); INIT_LIST_HEAD(&rule->actionfields); ret = vcap_rule_add_action_bit(rule, VCAP_AF_POLICE_ENA, VCAP_BIT_1); KUNIT_EXPECT_EQ(test, 0, ret); ret = list_empty(&rule->actionfields); KUNIT_EXPECT_EQ(test, false, ret); af = list_first_entry(&rule->actionfields, struct vcap_client_actionfield, ctrl.list); KUNIT_EXPECT_EQ(test, VCAP_AF_POLICE_ENA, af->ctrl.action); KUNIT_EXPECT_EQ(test, VCAP_FIELD_BIT, af->ctrl.type); KUNIT_EXPECT_EQ(test, 0x1, af->data.u1.value); vcap_free_caf(rule); INIT_LIST_HEAD(&rule->actionfields); ret = vcap_rule_add_action_bit(rule, VCAP_AF_POLICE_ENA, VCAP_BIT_ANY); KUNIT_EXPECT_EQ(test, 0, ret); ret = list_empty(&rule->actionfields); KUNIT_EXPECT_EQ(test, false, ret); af = list_first_entry(&rule->actionfields, struct vcap_client_actionfield, ctrl.list); KUNIT_EXPECT_EQ(test, VCAP_AF_POLICE_ENA, af->ctrl.action); KUNIT_EXPECT_EQ(test, VCAP_FIELD_BIT, af->ctrl.type); KUNIT_EXPECT_EQ(test, 0x0, af->data.u1.value); vcap_free_caf(rule); INIT_LIST_HEAD(&rule->actionfields); ret = vcap_rule_add_action_u32(rule, VCAP_AF_TYPE, 0x98765432); KUNIT_EXPECT_EQ(test, 0, ret); ret = list_empty(&rule->actionfields); KUNIT_EXPECT_EQ(test, false, ret); af = list_first_entry(&rule->actionfields, struct vcap_client_actionfield, ctrl.list); KUNIT_EXPECT_EQ(test, VCAP_AF_TYPE, af->ctrl.action); KUNIT_EXPECT_EQ(test, VCAP_FIELD_U32, af->ctrl.type); KUNIT_EXPECT_EQ(test, 0x98765432, af->data.u32.value); vcap_free_caf(rule); INIT_LIST_HEAD(&rule->actionfields); ret = vcap_rule_add_action_u32(rule, VCAP_AF_MASK_MODE, 0xaabbccdd); KUNIT_EXPECT_EQ(test, 0, ret); ret = list_empty(&rule->actionfields); KUNIT_EXPECT_EQ(test, false, ret); af = list_first_entry(&rule->actionfields, struct vcap_client_actionfield, ctrl.list); KUNIT_EXPECT_EQ(test, VCAP_AF_MASK_MODE, af->ctrl.action); KUNIT_EXPECT_EQ(test, VCAP_FIELD_U32, af->ctrl.type); KUNIT_EXPECT_EQ(test, 0xaabbccdd, af->data.u32.value); vcap_free_caf(rule); } static void vcap_api_rule_find_keyset_basic_test(struct kunit *test) { struct vcap_keyset_list matches = {}; struct vcap_admin admin = { .vtype = VCAP_TYPE_IS2, }; struct vcap_rule_internal ri = { .admin = &admin, .vctrl = &test_vctrl, }; struct vcap_client_keyfield ckf[] = { { .ctrl.key = VCAP_KF_TYPE, }, { .ctrl.key = VCAP_KF_LOOKUP_FIRST_IS, }, { .ctrl.key = VCAP_KF_IF_IGR_PORT_MASK_L3, }, { .ctrl.key = VCAP_KF_IF_IGR_PORT_MASK_RNG, }, { .ctrl.key = VCAP_KF_IF_IGR_PORT_MASK, }, { .ctrl.key = VCAP_KF_L2_DMAC, }, { .ctrl.key = VCAP_KF_ETYPE_LEN_IS, }, { .ctrl.key = VCAP_KF_ETYPE, }, }; int idx; bool ret; enum vcap_keyfield_set keysets[10] = {}; matches.keysets = keysets; matches.max = ARRAY_SIZE(keysets); INIT_LIST_HEAD(&ri.data.keyfields); for (idx = 0; idx < ARRAY_SIZE(ckf); idx++) list_add_tail(&ckf[idx].ctrl.list, &ri.data.keyfields); ret = vcap_rule_find_keysets(&ri.data, &matches); KUNIT_EXPECT_EQ(test, true, ret); KUNIT_EXPECT_EQ(test, 1, matches.cnt); KUNIT_EXPECT_EQ(test, VCAP_KFS_MAC_ETYPE, matches.keysets[0]); } static void vcap_api_rule_find_keyset_failed_test(struct kunit *test) { struct vcap_keyset_list matches = {}; struct vcap_admin admin = { .vtype = VCAP_TYPE_IS2, }; struct vcap_rule_internal ri = { .admin = &admin, .vctrl = &test_vctrl, }; struct vcap_client_keyfield ckf[] = { { .ctrl.key = VCAP_KF_TYPE, }, { .ctrl.key = VCAP_KF_LOOKUP_FIRST_IS, }, { .ctrl.key = VCAP_KF_ARP_OPCODE, }, { .ctrl.key = VCAP_KF_L3_IP4_SIP, }, { .ctrl.key = VCAP_KF_L3_IP4_DIP, }, { .ctrl.key = VCAP_KF_8021Q_PCP_CLS, }, { .ctrl.key = VCAP_KF_ETYPE_LEN_IS, /* Not with ARP */ }, { .ctrl.key = VCAP_KF_ETYPE, /* Not with ARP */ }, }; int idx; bool ret; enum vcap_keyfield_set keysets[10] = {}; matches.keysets = keysets; matches.max = ARRAY_SIZE(keysets); INIT_LIST_HEAD(&ri.data.keyfields); for (idx = 0; idx < ARRAY_SIZE(ckf); idx++) list_add_tail(&ckf[idx].ctrl.list, &ri.data.keyfields); ret = vcap_rule_find_keysets(&ri.data, &matches); KUNIT_EXPECT_EQ(test, false, ret); KUNIT_EXPECT_EQ(test, 0, matches.cnt); KUNIT_EXPECT_EQ(test, VCAP_KFS_NO_VALUE, matches.keysets[0]); } static void vcap_api_rule_find_keyset_many_test(struct kunit *test) { struct vcap_keyset_list matches = {}; struct vcap_admin admin = { .vtype = VCAP_TYPE_IS2, }; struct vcap_rule_internal ri = { .admin = &admin, .vctrl = &test_vctrl, }; struct vcap_client_keyfield ckf[] = { { .ctrl.key = VCAP_KF_TYPE, }, { .ctrl.key = VCAP_KF_LOOKUP_FIRST_IS, }, { .ctrl.key = VCAP_KF_8021Q_DEI_CLS, }, { .ctrl.key = VCAP_KF_8021Q_PCP_CLS, }, { .ctrl.key = VCAP_KF_8021Q_VID_CLS, }, { .ctrl.key = VCAP_KF_ISDX_CLS, }, { .ctrl.key = VCAP_KF_L2_MC_IS, }, { .ctrl.key = VCAP_KF_L2_BC_IS, }, }; int idx; bool ret; enum vcap_keyfield_set keysets[10] = {}; matches.keysets = keysets; matches.max = ARRAY_SIZE(keysets); INIT_LIST_HEAD(&ri.data.keyfields); for (idx = 0; idx < ARRAY_SIZE(ckf); idx++) list_add_tail(&ckf[idx].ctrl.list, &ri.data.keyfields); ret = vcap_rule_find_keysets(&ri.data, &matches); KUNIT_EXPECT_EQ(test, true, ret); KUNIT_EXPECT_EQ(test, 6, matches.cnt); KUNIT_EXPECT_EQ(test, VCAP_KFS_ARP, matches.keysets[0]); KUNIT_EXPECT_EQ(test, VCAP_KFS_IP4_OTHER, matches.keysets[1]); KUNIT_EXPECT_EQ(test, VCAP_KFS_IP4_TCP_UDP, matches.keysets[2]); KUNIT_EXPECT_EQ(test, VCAP_KFS_IP6_STD, matches.keysets[3]); KUNIT_EXPECT_EQ(test, VCAP_KFS_IP_7TUPLE, matches.keysets[4]); KUNIT_EXPECT_EQ(test, VCAP_KFS_MAC_ETYPE, matches.keysets[5]); } static void vcap_api_encode_rule_test(struct kunit *test) { /* Data used by VCAP Library callback */ static u32 keydata[32] = {}; static u32 mskdata[32] = {}; static u32 actdata[32] = {}; struct vcap_admin is2_admin = { .vtype = VCAP_TYPE_IS2, .first_cid = 8000000, .last_cid = 8099999, .lookups = 4, .last_valid_addr = 3071, .first_valid_addr = 0, .last_used_addr = 800, .cache = { .keystream = keydata, .maskstream = mskdata, .actionstream = actdata, }, }; struct vcap_rule *rule; struct vcap_rule_internal *ri; int vcap_chain_id = 8000000; enum vcap_user user = VCAP_USER_VCAP_UTIL; u16 priority = 10; int id = 100; int ret; struct vcap_u48_key smac = { .value = { 0x88, 0x75, 0x32, 0x34, 0x9e, 0xb1 }, .mask = { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff } }; struct vcap_u48_key dmac = { .value = { 0x06, 0x05, 0x04, 0x03, 0x02, 0x01 }, .mask = { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff } }; u32 port_mask_rng_value = 0x05; u32 port_mask_rng_mask = 0x0f; u32 igr_port_mask_value = 0xffabcd01; u32 igr_port_mask_mask = ~0; /* counter is written as the first operation */ u32 expwriteaddr[] = {792, 792, 793, 794, 795, 796, 797}; int idx; vcap_test_api_init(&is2_admin); /* Allocate the rule */ rule = vcap_alloc_rule(&test_vctrl, &test_netdev, vcap_chain_id, user, priority, id); KUNIT_EXPECT_PTR_NE(test, NULL, rule); ri = (struct vcap_rule_internal *)rule; /* Add rule keys */ ret = vcap_rule_add_key_u48(rule, VCAP_KF_L2_DMAC, &dmac); KUNIT_EXPECT_EQ(test, 0, ret); ret = vcap_rule_add_key_u48(rule, VCAP_KF_L2_SMAC, &smac); KUNIT_EXPECT_EQ(test, 0, ret); ret = vcap_rule_add_key_bit(rule, VCAP_KF_ETYPE_LEN_IS, VCAP_BIT_1); KUNIT_EXPECT_EQ(test, 0, ret); /* Cannot add the same field twice */ ret = vcap_rule_add_key_bit(rule, VCAP_KF_ETYPE_LEN_IS, VCAP_BIT_1); KUNIT_EXPECT_EQ(test, -EINVAL, ret); ret = vcap_rule_add_key_bit(rule, VCAP_KF_IF_IGR_PORT_MASK_L3, VCAP_BIT_ANY); KUNIT_EXPECT_EQ(test, 0, ret); ret = vcap_rule_add_key_u32(rule, VCAP_KF_IF_IGR_PORT_MASK_RNG, port_mask_rng_value, port_mask_rng_mask); KUNIT_EXPECT_EQ(test, 0, ret); ret = vcap_rule_add_key_u32(rule, VCAP_KF_IF_IGR_PORT_MASK, igr_port_mask_value, igr_port_mask_mask); KUNIT_EXPECT_EQ(test, 0, ret); /* Add rule actions */ ret = vcap_rule_add_action_bit(rule, VCAP_AF_POLICE_ENA, VCAP_BIT_1); KUNIT_EXPECT_EQ(test, 0, ret); ret = vcap_rule_add_action_u32(rule, VCAP_AF_CNT_ID, id); KUNIT_EXPECT_EQ(test, 0, ret); ret = vcap_rule_add_action_u32(rule, VCAP_AF_MATCH_ID, 1); KUNIT_EXPECT_EQ(test, 0, ret); ret = vcap_rule_add_action_u32(rule, VCAP_AF_MATCH_ID_MASK, 1); KUNIT_EXPECT_EQ(test, 0, ret); /* For now the actionset is hardcoded */ ret = vcap_set_rule_set_actionset(rule, VCAP_AFS_BASE_TYPE); KUNIT_EXPECT_EQ(test, 0, ret); /* Validation with validate keyset callback */ ret = vcap_val_rule(rule, ETH_P_ALL); KUNIT_EXPECT_EQ(test, 0, ret); KUNIT_EXPECT_EQ(test, VCAP_KFS_MAC_ETYPE, rule->keyset); KUNIT_EXPECT_EQ(test, VCAP_AFS_BASE_TYPE, rule->actionset); KUNIT_EXPECT_EQ(test, 6, ri->size); KUNIT_EXPECT_EQ(test, 2, ri->keyset_sw_regs); KUNIT_EXPECT_EQ(test, 4, ri->actionset_sw_regs); /* Enable lookup, so the rule will be written */ ret = vcap_enable_lookups(&test_vctrl, &test_netdev, 0, rule->vcap_chain_id, rule->cookie, true); KUNIT_EXPECT_EQ(test, 0, ret); /* Add rule with write callback */ ret = vcap_add_rule(rule); KUNIT_EXPECT_EQ(test, 0, ret); KUNIT_EXPECT_EQ(test, 792, is2_admin.last_used_addr); for (idx = 0; idx < ARRAY_SIZE(expwriteaddr); ++idx) KUNIT_EXPECT_EQ(test, expwriteaddr[idx], test_updateaddr[idx]); /* Check that the rule has been added */ ret = list_empty(&is2_admin.rules); KUNIT_EXPECT_EQ(test, false, ret); KUNIT_EXPECT_EQ(test, 0, ret); vcap_enable_lookups(&test_vctrl, &test_netdev, 0, 0, rule->cookie, false); vcap_free_rule(rule); /* Check that the rule has been freed: tricky to access since this * memory should not be accessible anymore */ KUNIT_EXPECT_PTR_NE(test, NULL, rule); ret = list_empty(&rule->keyfields); KUNIT_EXPECT_EQ(test, true, ret); ret = list_empty(&rule->actionfields); KUNIT_EXPECT_EQ(test, true, ret); vcap_del_rule(&test_vctrl, &test_netdev, id); } static void vcap_api_set_rule_counter_test(struct kunit *test) { struct vcap_admin is2_admin = { .cache = { .counter = 100, .sticky = true, }, }; struct vcap_rule_internal ri = { .data = { .id = 1001, }, .addr = 600, .admin = &is2_admin, .counter_id = 1002, .vctrl = &test_vctrl, }; struct vcap_rule_internal ri2 = { .data = { .id = 2001, }, .addr = 700, .admin = &is2_admin, .counter_id = 2002, .vctrl = &test_vctrl, }; struct vcap_counter ctr = { .value = 0, .sticky = false}; struct vcap_counter ctr2 = { .value = 101, .sticky = true}; int ret; vcap_test_api_init(&is2_admin); list_add_tail(&ri.list, &is2_admin.rules); list_add_tail(&ri2.list, &is2_admin.rules); pr_info("%s:%d\n", __func__, __LINE__); ret = vcap_rule_set_counter(&ri.data, &ctr); pr_info("%s:%d\n", __func__, __LINE__); KUNIT_EXPECT_EQ(test, 0, ret); KUNIT_EXPECT_EQ(test, 1002, test_hw_counter_id); KUNIT_EXPECT_EQ(test, 0, test_hw_cache.counter); KUNIT_EXPECT_EQ(test, false, test_hw_cache.sticky); KUNIT_EXPECT_EQ(test, 600, test_updateaddr[0]); ret = vcap_rule_set_counter(&ri2.data, &ctr2); KUNIT_EXPECT_EQ(test, 0, ret); KUNIT_EXPECT_EQ(test, 2002, test_hw_counter_id); KUNIT_EXPECT_EQ(test, 101, test_hw_cache.counter); KUNIT_EXPECT_EQ(test, true, test_hw_cache.sticky); KUNIT_EXPECT_EQ(test, 700, test_updateaddr[1]); } static void vcap_api_get_rule_counter_test(struct kunit *test) { struct vcap_admin is2_admin = { .cache = { .counter = 100, .sticky = true, }, }; struct vcap_rule_internal ri = { .data = { .id = 1010, }, .addr = 400, .admin = &is2_admin, .counter_id = 1011, .vctrl = &test_vctrl, }; struct vcap_rule_internal ri2 = { .data = { .id = 2011, }, .addr = 300, .admin = &is2_admin, .counter_id = 2012, .vctrl = &test_vctrl, }; struct vcap_counter ctr = {}; struct vcap_counter ctr2 = {}; int ret; vcap_test_api_init(&is2_admin); test_hw_cache.counter = 55; test_hw_cache.sticky = true; list_add_tail(&ri.list, &is2_admin.rules); list_add_tail(&ri2.list, &is2_admin.rules); ret = vcap_rule_get_counter(&ri.data, &ctr); KUNIT_EXPECT_EQ(test, 0, ret); KUNIT_EXPECT_EQ(test, 1011, test_hw_counter_id); KUNIT_EXPECT_EQ(test, 55, ctr.value); KUNIT_EXPECT_EQ(test, true, ctr.sticky); KUNIT_EXPECT_EQ(test, 400, test_updateaddr[0]); test_hw_cache.counter = 22; test_hw_cache.sticky = false; ret = vcap_rule_get_counter(&ri2.data, &ctr2); KUNIT_EXPECT_EQ(test, 0, ret); KUNIT_EXPECT_EQ(test, 2012, test_hw_counter_id); KUNIT_EXPECT_EQ(test, 22, ctr2.value); KUNIT_EXPECT_EQ(test, false, ctr2.sticky); KUNIT_EXPECT_EQ(test, 300, test_updateaddr[1]); } static void vcap_api_rule_insert_in_order_test(struct kunit *test) { /* Data used by VCAP Library callback */ static u32 keydata[32] = {}; static u32 mskdata[32] = {}; static u32 actdata[32] = {}; struct vcap_admin admin = { .vtype = VCAP_TYPE_IS0, .first_cid = 10000, .last_cid = 19999, .lookups = 4, .last_valid_addr = 3071, .first_valid_addr = 0, .last_used_addr = 800, .cache = { .keystream = keydata, .maskstream = mskdata, .actionstream = actdata, }, }; vcap_test_api_init(&admin); /* Create rules with different sizes and check that they are placed * at the correct address in the VCAP according to size */ test_vcap_xn_rule_creator(test, 10000, VCAP_USER_QOS, 10, 500, 12, 780); test_vcap_xn_rule_creator(test, 10000, VCAP_USER_QOS, 20, 400, 6, 774); test_vcap_xn_rule_creator(test, 10000, VCAP_USER_QOS, 30, 300, 3, 771); test_vcap_xn_rule_creator(test, 10000, VCAP_USER_QOS, 40, 200, 2, 768); vcap_del_rule(&test_vctrl, &test_netdev, 200); vcap_del_rule(&test_vctrl, &test_netdev, 300); vcap_del_rule(&test_vctrl, &test_netdev, 400); vcap_del_rule(&test_vctrl, &test_netdev, 500); } static void vcap_api_rule_insert_reverse_order_test(struct kunit *test) { /* Data used by VCAP Library callback */ static u32 keydata[32] = {}; static u32 mskdata[32] = {}; static u32 actdata[32] = {}; struct vcap_admin admin = { .vtype = VCAP_TYPE_IS0, .first_cid = 10000, .last_cid = 19999, .lookups = 4, .last_valid_addr = 3071, .first_valid_addr = 0, .last_used_addr = 800, .cache = { .keystream = keydata, .maskstream = mskdata, .actionstream = actdata, }, }; struct vcap_rule_internal *elem; u32 exp_addr[] = {780, 774, 771, 768, 767}; int idx; vcap_test_api_init(&admin); /* Create rules with different sizes and check that they are placed * at the correct address in the VCAP according to size */ test_vcap_xn_rule_creator(test, 10000, VCAP_USER_QOS, 20, 200, 2, 798); KUNIT_EXPECT_EQ(test, 0, test_move_offset); KUNIT_EXPECT_EQ(test, 0, test_move_count); KUNIT_EXPECT_EQ(test, 0, test_move_addr); test_vcap_xn_rule_creator(test, 10000, VCAP_USER_QOS, 30, 300, 3, 795); KUNIT_EXPECT_EQ(test, 6, test_move_offset); KUNIT_EXPECT_EQ(test, 3, test_move_count); KUNIT_EXPECT_EQ(test, 798, test_move_addr); test_vcap_xn_rule_creator(test, 10000, VCAP_USER_QOS, 40, 400, 6, 792); KUNIT_EXPECT_EQ(test, 6, test_move_offset); KUNIT_EXPECT_EQ(test, 6, test_move_count); KUNIT_EXPECT_EQ(test, 792, test_move_addr); test_vcap_xn_rule_creator(test, 10000, VCAP_USER_QOS, 50, 500, 12, 780); KUNIT_EXPECT_EQ(test, 18, test_move_offset); KUNIT_EXPECT_EQ(test, 12, test_move_count); KUNIT_EXPECT_EQ(test, 786, test_move_addr); idx = 0; list_for_each_entry(elem, &admin.rules, list) { KUNIT_EXPECT_EQ(test, exp_addr[idx], elem->addr); ++idx; } KUNIT_EXPECT_EQ(test, 768, admin.last_used_addr); vcap_del_rule(&test_vctrl, &test_netdev, 500); vcap_del_rule(&test_vctrl, &test_netdev, 400); vcap_del_rule(&test_vctrl, &test_netdev, 300); vcap_del_rule(&test_vctrl, &test_netdev, 200); } static void vcap_api_rule_remove_at_end_test(struct kunit *test) { /* Data used by VCAP Library callback */ static u32 keydata[32] = {}; static u32 mskdata[32] = {}; static u32 actdata[32] = {}; struct vcap_admin admin = { .vtype = VCAP_TYPE_IS0, .first_cid = 10000, .last_cid = 19999, .lookups = 4, .last_valid_addr = 3071, .first_valid_addr = 0, .last_used_addr = 800, .cache = { .keystream = keydata, .maskstream = mskdata, .actionstream = actdata, }, }; int ret; vcap_test_api_init(&admin); test_init_rule_deletion(); /* Create rules with different sizes and check that they are placed * at the correct address in the VCAP according to size */ test_vcap_xn_rule_creator(test, 10000, VCAP_USER_QOS, 10, 500, 12, 780); test_vcap_xn_rule_creator(test, 10000, VCAP_USER_QOS, 20, 400, 6, 774); test_vcap_xn_rule_creator(test, 10000, VCAP_USER_QOS, 30, 300, 3, 771); test_vcap_xn_rule_creator(test, 10000, VCAP_USER_QOS, 40, 200, 2, 768); /* Remove rules again from the end */ ret = vcap_del_rule(&test_vctrl, &test_netdev, 200); KUNIT_EXPECT_EQ(test, 0, ret); KUNIT_EXPECT_EQ(test, 0, test_move_addr); KUNIT_EXPECT_EQ(test, 0, test_move_offset); KUNIT_EXPECT_EQ(test, 0, test_move_count); KUNIT_EXPECT_EQ(test, 768, test_init_start); KUNIT_EXPECT_EQ(test, 2, test_init_count); KUNIT_EXPECT_EQ(test, 771, admin.last_used_addr); ret = vcap_del_rule(&test_vctrl, &test_netdev, 300); KUNIT_EXPECT_EQ(test, ret, 0); KUNIT_EXPECT_EQ(test, 0, test_move_addr); KUNIT_EXPECT_EQ(test, 0, test_move_offset); KUNIT_EXPECT_EQ(test, 0, test_move_count); KUNIT_EXPECT_EQ(test, 771, test_init_start); KUNIT_EXPECT_EQ(test, 3, test_init_count); KUNIT_EXPECT_EQ(test, 774, admin.last_used_addr); ret = vcap_del_rule(&test_vctrl, &test_netdev, 400); KUNIT_EXPECT_EQ(test, ret, 0); KUNIT_EXPECT_EQ(test, 0, test_move_addr); KUNIT_EXPECT_EQ(test, 0, test_move_offset); KUNIT_EXPECT_EQ(test, 0, test_move_count); KUNIT_EXPECT_EQ(test, 774, test_init_start); KUNIT_EXPECT_EQ(test, 6, test_init_count); KUNIT_EXPECT_EQ(test, 780, admin.last_used_addr); ret = vcap_del_rule(&test_vctrl, &test_netdev, 500); KUNIT_EXPECT_EQ(test, ret, 0); KUNIT_EXPECT_EQ(test, 0, test_move_addr); KUNIT_EXPECT_EQ(test, 0, test_move_offset); KUNIT_EXPECT_EQ(test, 0, test_move_count); KUNIT_EXPECT_EQ(test, 780, test_init_start); KUNIT_EXPECT_EQ(test, 12, test_init_count); KUNIT_EXPECT_EQ(test, 3072, admin.last_used_addr); } static void vcap_api_rule_remove_in_middle_test(struct kunit *test) { /* Data used by VCAP Library callback */ static u32 keydata[32] = {}; static u32 mskdata[32] = {}; static u32 actdata[32] = {}; struct vcap_admin admin = { .vtype = VCAP_TYPE_IS0, .first_cid = 10000, .last_cid = 19999, .lookups = 4, .first_valid_addr = 0, .last_used_addr = 800, .last_valid_addr = 800 - 1, .cache = { .keystream = keydata, .maskstream = mskdata, .actionstream = actdata, }, }; int ret; vcap_test_api_init(&admin); /* Create rules with different sizes and check that they are placed * at the correct address in the VCAP according to size */ test_vcap_xn_rule_creator(test, 10000, VCAP_USER_QOS, 10, 500, 12, 780); test_vcap_xn_rule_creator(test, 10000, VCAP_USER_QOS, 20, 400, 6, 774); test_vcap_xn_rule_creator(test, 10000, VCAP_USER_QOS, 30, 300, 3, 771); test_vcap_xn_rule_creator(test, 10000, VCAP_USER_QOS, 40, 200, 2, 768); /* Remove rules in the middle */ test_init_rule_deletion(); ret = vcap_del_rule(&test_vctrl, &test_netdev, 400); KUNIT_EXPECT_EQ(test, 0, ret); KUNIT_EXPECT_EQ(test, 768, test_move_addr); KUNIT_EXPECT_EQ(test, -6, test_move_offset); KUNIT_EXPECT_EQ(test, 6, test_move_count); KUNIT_EXPECT_EQ(test, 768, test_init_start); KUNIT_EXPECT_EQ(test, 6, test_init_count); KUNIT_EXPECT_EQ(test, 774, admin.last_used_addr); test_init_rule_deletion(); ret = vcap_del_rule(&test_vctrl, &test_netdev, 300); KUNIT_EXPECT_EQ(test, 0, ret); KUNIT_EXPECT_EQ(test, 774, test_move_addr); KUNIT_EXPECT_EQ(test, -4, test_move_offset); KUNIT_EXPECT_EQ(test, 2, test_move_count); KUNIT_EXPECT_EQ(test, 774, test_init_start); KUNIT_EXPECT_EQ(test, 4, test_init_count); KUNIT_EXPECT_EQ(test, 778, admin.last_used_addr); test_init_rule_deletion(); ret = vcap_del_rule(&test_vctrl, &test_netdev, 500); KUNIT_EXPECT_EQ(test, 0, ret); KUNIT_EXPECT_EQ(test, 778, test_move_addr); KUNIT_EXPECT_EQ(test, -20, test_move_offset); KUNIT_EXPECT_EQ(test, 2, test_move_count); KUNIT_EXPECT_EQ(test, 778, test_init_start); KUNIT_EXPECT_EQ(test, 20, test_init_count); KUNIT_EXPECT_EQ(test, 798, admin.last_used_addr); test_init_rule_deletion(); ret = vcap_del_rule(&test_vctrl, &test_netdev, 200); KUNIT_EXPECT_EQ(test, 0, ret); KUNIT_EXPECT_EQ(test, 0, test_move_addr); KUNIT_EXPECT_EQ(test, 0, test_move_offset); KUNIT_EXPECT_EQ(test, 0, test_move_count); KUNIT_EXPECT_EQ(test, 798, test_init_start); KUNIT_EXPECT_EQ(test, 2, test_init_count); KUNIT_EXPECT_EQ(test, 800, admin.last_used_addr); } static void vcap_api_rule_remove_in_front_test(struct kunit *test) { /* Data used by VCAP Library callback */ static u32 keydata[32] = {}; static u32 mskdata[32] = {}; static u32 actdata[32] = {}; struct vcap_admin admin = { .vtype = VCAP_TYPE_IS0, .first_cid = 10000, .last_cid = 19999, .lookups = 4, .first_valid_addr = 0, .last_used_addr = 800, .last_valid_addr = 800 - 1, .cache = { .keystream = keydata, .maskstream = mskdata, .actionstream = actdata, }, }; int ret; vcap_test_api_init(&admin); test_vcap_xn_rule_creator(test, 10000, VCAP_USER_QOS, 10, 500, 12, 780); KUNIT_EXPECT_EQ(test, 780, admin.last_used_addr); test_init_rule_deletion(); ret = vcap_del_rule(&test_vctrl, &test_netdev, 500); KUNIT_EXPECT_EQ(test, 0, ret); KUNIT_EXPECT_EQ(test, 0, test_move_addr); KUNIT_EXPECT_EQ(test, 0, test_move_offset); KUNIT_EXPECT_EQ(test, 0, test_move_count); KUNIT_EXPECT_EQ(test, 780, test_init_start); KUNIT_EXPECT_EQ(test, 12, test_init_count); KUNIT_EXPECT_EQ(test, 800, admin.last_used_addr); test_vcap_xn_rule_creator(test, 10000, VCAP_USER_QOS, 20, 400, 6, 792); test_vcap_xn_rule_creator(test, 10000, VCAP_USER_QOS, 30, 300, 3, 789); test_vcap_xn_rule_creator(test, 10000, VCAP_USER_QOS, 40, 200, 2, 786); test_init_rule_deletion(); ret = vcap_del_rule(&test_vctrl, &test_netdev, 400); KUNIT_EXPECT_EQ(test, 0, ret); KUNIT_EXPECT_EQ(test, 786, test_move_addr); KUNIT_EXPECT_EQ(test, -8, test_move_offset); KUNIT_EXPECT_EQ(test, 6, test_move_count); KUNIT_EXPECT_EQ(test, 786, test_init_start); KUNIT_EXPECT_EQ(test, 8, test_init_count); KUNIT_EXPECT_EQ(test, 794, admin.last_used_addr); vcap_del_rule(&test_vctrl, &test_netdev, 200); vcap_del_rule(&test_vctrl, &test_netdev, 300); } static struct kunit_case vcap_api_rule_remove_test_cases[] = { KUNIT_CASE(vcap_api_rule_remove_at_end_test), KUNIT_CASE(vcap_api_rule_remove_in_middle_test), KUNIT_CASE(vcap_api_rule_remove_in_front_test), {} }; static void vcap_api_next_lookup_basic_test(struct kunit *test) { struct vcap_admin admin1 = { .vtype = VCAP_TYPE_IS2, .vinst = 0, .first_cid = 8000000, .last_cid = 8199999, .lookups = 4, .lookups_per_instance = 2, }; struct vcap_admin admin2 = { .vtype = VCAP_TYPE_IS2, .vinst = 1, .first_cid = 8200000, .last_cid = 8399999, .lookups = 4, .lookups_per_instance = 2, }; bool ret; vcap_test_api_init(&admin1); list_add_tail(&admin2.list, &test_vctrl.list); ret = vcap_is_next_lookup(&test_vctrl, 8000000, 1001000); KUNIT_EXPECT_EQ(test, false, ret); ret = vcap_is_next_lookup(&test_vctrl, 8000000, 8001000); KUNIT_EXPECT_EQ(test, false, ret); ret = vcap_is_next_lookup(&test_vctrl, 8000000, 8101000); KUNIT_EXPECT_EQ(test, true, ret); ret = vcap_is_next_lookup(&test_vctrl, 8100000, 8101000); KUNIT_EXPECT_EQ(test, false, ret); ret = vcap_is_next_lookup(&test_vctrl, 8100000, 8201000); KUNIT_EXPECT_EQ(test, true, ret); ret = vcap_is_next_lookup(&test_vctrl, 8200000, 8201000); KUNIT_EXPECT_EQ(test, false, ret); ret = vcap_is_next_lookup(&test_vctrl, 8200000, 8301000); KUNIT_EXPECT_EQ(test, true, ret); ret = vcap_is_next_lookup(&test_vctrl, 8300000, 8301000); KUNIT_EXPECT_EQ(test, false, ret); ret = vcap_is_next_lookup(&test_vctrl, 8300000, 8401000); KUNIT_EXPECT_EQ(test, false, ret); } static void vcap_api_next_lookup_advanced_test(struct kunit *test) { struct vcap_admin admin[] = { { .vtype = VCAP_TYPE_IS0, .vinst = 0, .first_cid = 1000000, .last_cid = 1199999, .lookups = 6, .lookups_per_instance = 2, }, { .vtype = VCAP_TYPE_IS0, .vinst = 1, .first_cid = 1200000, .last_cid = 1399999, .lookups = 6, .lookups_per_instance = 2, }, { .vtype = VCAP_TYPE_IS0, .vinst = 2, .first_cid = 1400000, .last_cid = 1599999, .lookups = 6, .lookups_per_instance = 2, }, { .vtype = VCAP_TYPE_IS2, .vinst = 0, .first_cid = 8000000, .last_cid = 8199999, .lookups = 4, .lookups_per_instance = 2, }, { .vtype = VCAP_TYPE_IS2, .vinst = 1, .first_cid = 8200000, .last_cid = 8399999, .lookups = 4, .lookups_per_instance = 2, } }; bool ret; vcap_test_api_init(&admin[0]); list_add_tail(&admin[1].list, &test_vctrl.list); list_add_tail(&admin[2].list, &test_vctrl.list); list_add_tail(&admin[3].list, &test_vctrl.list); list_add_tail(&admin[4].list, &test_vctrl.list); ret = vcap_is_next_lookup(&test_vctrl, 1000000, 1001000); KUNIT_EXPECT_EQ(test, false, ret); ret = vcap_is_next_lookup(&test_vctrl, 1000000, 1101000); KUNIT_EXPECT_EQ(test, true, ret); ret = vcap_is_next_lookup(&test_vctrl, 1100000, 1201000); KUNIT_EXPECT_EQ(test, true, ret); ret = vcap_is_next_lookup(&test_vctrl, 1100000, 1301000); KUNIT_EXPECT_EQ(test, true, ret); ret = vcap_is_next_lookup(&test_vctrl, 1100000, 8101000); KUNIT_EXPECT_EQ(test, true, ret); ret = vcap_is_next_lookup(&test_vctrl, 1300000, 1401000); KUNIT_EXPECT_EQ(test, true, ret); ret = vcap_is_next_lookup(&test_vctrl, 1400000, 1501000); KUNIT_EXPECT_EQ(test, true, ret); ret = vcap_is_next_lookup(&test_vctrl, 1500000, 8001000); KUNIT_EXPECT_EQ(test, true, ret); ret = vcap_is_next_lookup(&test_vctrl, 8000000, 8001000); KUNIT_EXPECT_EQ(test, false, ret); ret = vcap_is_next_lookup(&test_vctrl, 8000000, 8101000); KUNIT_EXPECT_EQ(test, true, ret); ret = vcap_is_next_lookup(&test_vctrl, 8300000, 8301000); KUNIT_EXPECT_EQ(test, false, ret); ret = vcap_is_next_lookup(&test_vctrl, 8300000, 8401000); KUNIT_EXPECT_EQ(test, false, 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 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, }; static struct kunit_case vcap_api_rule_insert_test_cases[] = { KUNIT_CASE(vcap_api_rule_insert_in_order_test), KUNIT_CASE(vcap_api_rule_insert_reverse_order_test), {} }; static struct kunit_suite vcap_api_rule_insert_test_suite = { .name = "VCAP_API_Rule_Insert_Testsuite", .test_cases = vcap_api_rule_insert_test_cases, }; static struct kunit_case vcap_api_rule_counter_test_cases[] = { KUNIT_CASE(vcap_api_set_rule_counter_test), KUNIT_CASE(vcap_api_get_rule_counter_test), {} }; static struct kunit_suite vcap_api_rule_counter_test_suite = { .name = "VCAP_API_Rule_Counter_Testsuite", .test_cases = vcap_api_rule_counter_test_cases, }; 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), {} }; static struct kunit_suite vcap_api_support_test_suite = { .name = "VCAP_API_Support_Testsuite", .test_cases = vcap_api_support_test_cases, }; static struct kunit_case vcap_api_full_rule_test_cases[] = { KUNIT_CASE(vcap_api_rule_find_keyset_basic_test), KUNIT_CASE(vcap_api_rule_find_keyset_failed_test), KUNIT_CASE(vcap_api_rule_find_keyset_many_test), KUNIT_CASE(vcap_api_encode_rule_test), {} }; static struct kunit_suite vcap_api_full_rule_test_suite = { .name = "VCAP_API_Full_Rule_Testsuite", .test_cases = vcap_api_full_rule_test_cases, }; static struct kunit_case vcap_api_rule_value_test_cases[] = { KUNIT_CASE(vcap_api_rule_add_keyvalue_test), KUNIT_CASE(vcap_api_rule_add_actionvalue_test), {} }; static struct kunit_suite vcap_api_rule_value_test_suite = { .name = "VCAP_API_Rule_Value_Testsuite", .test_cases = vcap_api_rule_value_test_cases, }; static struct kunit_case vcap_api_encoding_test_cases[] = { KUNIT_CASE(vcap_api_set_bit_1_test), KUNIT_CASE(vcap_api_set_bit_0_test), KUNIT_CASE(vcap_api_iterator_init_test), KUNIT_CASE(vcap_api_iterator_next_test), KUNIT_CASE(vcap_api_encode_typegroups_test), KUNIT_CASE(vcap_api_encode_bit_test), KUNIT_CASE(vcap_api_encode_field_test), KUNIT_CASE(vcap_api_encode_short_field_test), KUNIT_CASE(vcap_api_encode_keyfield_test), KUNIT_CASE(vcap_api_encode_max_keyfield_test), KUNIT_CASE(vcap_api_encode_actionfield_test), KUNIT_CASE(vcap_api_keyfield_typegroup_test), KUNIT_CASE(vcap_api_actionfield_typegroup_test), KUNIT_CASE(vcap_api_vcap_keyfields_test), KUNIT_CASE(vcap_api_vcap_actionfields_test), KUNIT_CASE(vcap_api_encode_rule_keyset_test), KUNIT_CASE(vcap_api_encode_rule_actionset_test), {} }; static struct kunit_suite vcap_api_encoding_test_suite = { .name = "VCAP_API_Encoding_Testsuite", .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); kunit_test_suite(vcap_api_support_test_suite); kunit_test_suite(vcap_api_full_rule_test_suite); kunit_test_suite(vcap_api_rule_value_test_suite); kunit_test_suite(vcap_api_encoding_test_suite);