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1// SPDX-License-Identifier: GPL-2.0-or-later2//3// self-id-sequence-helper-test.c - An application of Kunit to test helpers of self ID sequence.4//5// Copyright (c) 2024 Takashi Sakamoto6 7#include <kunit/test.h>8 9#include "phy-packet-definitions.h"10 11static void test_self_id_sequence_enumerator_valid(struct kunit *test)12{13 static const u32 valid_sequences[] = {14 0x00000000,15 0x00000001, 0x00800000,16 0x00000001, 0x00800001, 0x00900000,17 0x00000000,18 };19 struct self_id_sequence_enumerator enumerator;20 const u32 *entry;21 unsigned int quadlet_count;22 23 enumerator.cursor = valid_sequences;24 enumerator.quadlet_count = ARRAY_SIZE(valid_sequences);25 26 entry = self_id_sequence_enumerator_next(&enumerator, &quadlet_count);27 KUNIT_EXPECT_PTR_EQ(test, entry, &valid_sequences[0]);28 KUNIT_EXPECT_EQ(test, quadlet_count, 1);29 KUNIT_EXPECT_EQ(test, enumerator.quadlet_count, 6);30 31 entry = self_id_sequence_enumerator_next(&enumerator, &quadlet_count);32 KUNIT_EXPECT_PTR_EQ(test, entry, &valid_sequences[1]);33 KUNIT_EXPECT_EQ(test, quadlet_count, 2);34 KUNIT_EXPECT_EQ(test, enumerator.quadlet_count, 4);35 36 entry = self_id_sequence_enumerator_next(&enumerator, &quadlet_count);37 KUNIT_EXPECT_PTR_EQ(test, entry, &valid_sequences[3]);38 KUNIT_EXPECT_EQ(test, quadlet_count, 3);39 KUNIT_EXPECT_EQ(test, enumerator.quadlet_count, 1);40 41 entry = self_id_sequence_enumerator_next(&enumerator, &quadlet_count);42 KUNIT_EXPECT_PTR_EQ(test, entry, &valid_sequences[6]);43 KUNIT_EXPECT_EQ(test, quadlet_count, 1);44 KUNIT_EXPECT_EQ(test, enumerator.quadlet_count, 0);45 46 entry = self_id_sequence_enumerator_next(&enumerator, &quadlet_count);47 KUNIT_EXPECT_EQ(test, PTR_ERR(entry), -ENODATA);48}49 50static void test_self_id_sequence_enumerator_invalid(struct kunit *test)51{52 static const u32 invalid_sequences[] = {53 0x00000001,54 };55 struct self_id_sequence_enumerator enumerator;56 const u32 *entry;57 unsigned int count;58 59 enumerator.cursor = invalid_sequences;60 enumerator.quadlet_count = ARRAY_SIZE(invalid_sequences);61 62 entry = self_id_sequence_enumerator_next(&enumerator, &count);63 KUNIT_EXPECT_EQ(test, PTR_ERR(entry), -EPROTO);64}65 66static void test_self_id_sequence_get_port_status(struct kunit *test)67{68 static const u32 expected[] = {69 0x000000e5,70 0x00839e79,71 0x0091e79d,72 0x00a279e4,73 };74 u32 quadlets [] = {75 0x00000001,76 0x00800001,77 0x00900001,78 0x00a00000,79 };80 enum phy_packet_self_id_port_status port_status[28];81 unsigned int port_capacity;82 unsigned int port_index;83 84 KUNIT_ASSERT_EQ(test, ARRAY_SIZE(expected), ARRAY_SIZE(quadlets));85 86 // With an extra port.87 port_capacity = self_id_sequence_get_port_capacity(ARRAY_SIZE(expected)) + 1;88 KUNIT_ASSERT_EQ(test, port_capacity, ARRAY_SIZE(port_status));89 90 for (port_index = 0; port_index < port_capacity; ++port_index) {91 port_status[port_index] =92 self_id_sequence_get_port_status(expected, ARRAY_SIZE(expected), port_index);93 self_id_sequence_set_port_status(quadlets, ARRAY_SIZE(quadlets), port_index,94 port_status[port_index]);95 }96 97 // Self ID zero.98 KUNIT_EXPECT_EQ(test, PHY_PACKET_SELF_ID_PORT_STATUS_CHILD, port_status[0]);99 KUNIT_EXPECT_EQ(test, PHY_PACKET_SELF_ID_PORT_STATUS_PARENT, port_status[1]);100 KUNIT_EXPECT_EQ(test, PHY_PACKET_SELF_ID_PORT_STATUS_NCONN, port_status[2]);101 102 // Self ID one.103 KUNIT_EXPECT_EQ(test, PHY_PACKET_SELF_ID_PORT_STATUS_CHILD, port_status[3]);104 KUNIT_EXPECT_EQ(test, PHY_PACKET_SELF_ID_PORT_STATUS_PARENT, port_status[4]);105 KUNIT_EXPECT_EQ(test, PHY_PACKET_SELF_ID_PORT_STATUS_NCONN, port_status[5]);106 KUNIT_EXPECT_EQ(test, PHY_PACKET_SELF_ID_PORT_STATUS_CHILD, port_status[6]);107 KUNIT_EXPECT_EQ(test, PHY_PACKET_SELF_ID_PORT_STATUS_PARENT, port_status[7]);108 KUNIT_EXPECT_EQ(test, PHY_PACKET_SELF_ID_PORT_STATUS_NCONN, port_status[8]);109 KUNIT_EXPECT_EQ(test, PHY_PACKET_SELF_ID_PORT_STATUS_CHILD, port_status[9]);110 KUNIT_EXPECT_EQ(test, PHY_PACKET_SELF_ID_PORT_STATUS_PARENT, port_status[10]);111 112 // Self ID two.113 KUNIT_EXPECT_EQ(test, PHY_PACKET_SELF_ID_PORT_STATUS_NCONN, port_status[11]);114 KUNIT_EXPECT_EQ(test, PHY_PACKET_SELF_ID_PORT_STATUS_CHILD, port_status[12]);115 KUNIT_EXPECT_EQ(test, PHY_PACKET_SELF_ID_PORT_STATUS_PARENT, port_status[13]);116 KUNIT_EXPECT_EQ(test, PHY_PACKET_SELF_ID_PORT_STATUS_NCONN, port_status[14]);117 KUNIT_EXPECT_EQ(test, PHY_PACKET_SELF_ID_PORT_STATUS_CHILD, port_status[15]);118 KUNIT_EXPECT_EQ(test, PHY_PACKET_SELF_ID_PORT_STATUS_PARENT, port_status[16]);119 KUNIT_EXPECT_EQ(test, PHY_PACKET_SELF_ID_PORT_STATUS_NCONN, port_status[17]);120 KUNIT_EXPECT_EQ(test, PHY_PACKET_SELF_ID_PORT_STATUS_CHILD, port_status[18]);121 122 // Self ID three.123 KUNIT_EXPECT_EQ(test, PHY_PACKET_SELF_ID_PORT_STATUS_PARENT, port_status[19]);124 KUNIT_EXPECT_EQ(test, PHY_PACKET_SELF_ID_PORT_STATUS_NCONN, port_status[20]);125 KUNIT_EXPECT_EQ(test, PHY_PACKET_SELF_ID_PORT_STATUS_CHILD, port_status[21]);126 KUNIT_EXPECT_EQ(test, PHY_PACKET_SELF_ID_PORT_STATUS_PARENT, port_status[22]);127 KUNIT_EXPECT_EQ(test, PHY_PACKET_SELF_ID_PORT_STATUS_NCONN, port_status[23]);128 KUNIT_EXPECT_EQ(test, PHY_PACKET_SELF_ID_PORT_STATUS_CHILD, port_status[24]);129 KUNIT_EXPECT_EQ(test, PHY_PACKET_SELF_ID_PORT_STATUS_PARENT, port_status[25]);130 KUNIT_EXPECT_EQ(test, PHY_PACKET_SELF_ID_PORT_STATUS_NCONN, port_status[26]);131 132 // Our of order.133 KUNIT_EXPECT_EQ(test, PHY_PACKET_SELF_ID_PORT_STATUS_NONE, port_status[27]);134 135 KUNIT_EXPECT_MEMEQ(test, quadlets, expected, sizeof(expected));136}137 138static struct kunit_case self_id_sequence_helper_test_cases[] = {139 KUNIT_CASE(test_self_id_sequence_enumerator_valid),140 KUNIT_CASE(test_self_id_sequence_enumerator_invalid),141 KUNIT_CASE(test_self_id_sequence_get_port_status),142 {}143};144 145static struct kunit_suite self_id_sequence_helper_test_suite = {146 .name = "self-id-sequence-helper",147 .test_cases = self_id_sequence_helper_test_cases,148};149kunit_test_suite(self_id_sequence_helper_test_suite);150 151MODULE_DESCRIPTION("Unit test suite for helpers of self ID sequence");152MODULE_LICENSE("GPL");153