1 // SPDX-License-Identifier: GPL-2.0-only 2 /* 3 * KUnit tests for NVM parse 4 * 5 * Copyright (C) 2025 Intel Corporation 6 */ 7 #include <kunit/static_stub.h> 8 #include <kunit/test.h> 9 #include <iwl-nvm-parse.h> 10 11 MODULE_IMPORT_NS("EXPORTED_FOR_KUNIT_TESTING"); 12 13 static const struct nvm_flag_case { 14 const char *desc; 15 u16 nvm_flags; 16 u32 reg_rule_flags; 17 u32 set_reg_rule_flags; 18 u32 clear_reg_rule_flags; 19 } nvm_flag_cases[] = { 20 { 21 .desc = "Restricting VLP client and AP access", 22 .nvm_flags = 0, 23 .set_reg_rule_flags = NL80211_RRF_NO_6GHZ_VLP_CLIENT, 24 .clear_reg_rule_flags = NL80211_RRF_ALLOW_6GHZ_VLP_AP, 25 }, 26 { 27 .desc = "Allow VLP client and AP access", 28 .nvm_flags = NVM_CHANNEL_VLP, 29 .set_reg_rule_flags = NL80211_RRF_ALLOW_6GHZ_VLP_AP, 30 .clear_reg_rule_flags = NL80211_RRF_NO_6GHZ_VLP_CLIENT, 31 }, 32 { 33 .desc = "Allow VLP client access, while restricting AP access", 34 .nvm_flags = NVM_CHANNEL_VLP | NVM_CHANNEL_VLP_AP_NOT_ALLOWED, 35 .set_reg_rule_flags = 0, 36 .clear_reg_rule_flags = NL80211_RRF_ALLOW_6GHZ_VLP_AP | 37 NL80211_RRF_NO_6GHZ_VLP_CLIENT, 38 }, 39 }; 40 41 KUNIT_ARRAY_PARAM_DESC(nvm_flag, nvm_flag_cases, desc) 42 43 static void test_nvm_flags(struct kunit *test) 44 { 45 const struct nvm_flag_case *params = test->param_value; 46 struct iwl_reg_capa reg_capa = {}; 47 u32 flags = 0; 48 49 flags = iwl_nvm_get_regdom_bw_flags(NULL, 0, params->nvm_flags, 50 reg_capa); 51 52 if ((params->set_reg_rule_flags & flags) != params->set_reg_rule_flags) 53 KUNIT_FAIL(test, "Expected set bits:0x%08x flags:0x%08x\n", 54 params->set_reg_rule_flags, flags); 55 56 if (params->clear_reg_rule_flags & flags) 57 KUNIT_FAIL(test, "Expected clear bits:0x%08x flags:0x%08x\n", 58 params->clear_reg_rule_flags, flags); 59 } 60 61 static struct kunit_case nvm_flags_test_cases[] = { 62 KUNIT_CASE_PARAM(test_nvm_flags, 63 nvm_flag_gen_params), 64 {}, 65 }; 66 67 static struct kunit_suite nvm_flags_suite = { 68 .name = "iwlwifi-nvm_flags", 69 .test_cases = nvm_flags_test_cases, 70 }; 71 72 kunit_test_suite(nvm_flags_suite); 73