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We'll have devices that are EHT capable but don't support 320 MHz and those devices look like the 320 MHz capable devices, but have distinct subsystem ID. We already had the same type of differentiation for HE devices that support 160 MHz or not. Enhance that mechanism and now the _IWL_DEV_INFO macro gets an indication whether the bandwidth should be limited for that specific device. The subsystem ID gives a binary answer about the bandwidth limitation and iwl_pci_find_dev_info() compares this to the list of _IWL_DEV_INFO entries. Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com> Reviewed-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com> Link: https://patch.msgid.link/20250205145347.1ba406c538a5.I6e24123f60a764aedfeaaac8768c26e136c320cf@changeid Signed-off-by: Johannes Berg <johannes.berg@intel.com>
84 lines
2.3 KiB
C
84 lines
2.3 KiB
C
// SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause
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/*
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* KUnit tests for the iwlwifi device info table
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*
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* Copyright (C) 2023-2025 Intel Corporation
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*/
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#include <kunit/test.h>
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#include <linux/pci.h>
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#include "iwl-drv.h"
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#include "iwl-config.h"
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MODULE_IMPORT_NS("EXPORTED_FOR_KUNIT_TESTING");
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static void iwl_pci_print_dev_info(const char *pfx, const struct iwl_dev_info *di)
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{
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printk(KERN_DEBUG "%sdev=%.4x,subdev=%.4x,mac_type=%.4x,mac_step=%.4x,rf_type=%.4x,cdb=%d,jacket=%d,rf_id=%.2x,bw_limit=%d,cores=%.2x\n",
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pfx, di->device, di->subdevice, di->mac_type, di->mac_step,
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di->rf_type, di->cdb, di->jacket, di->rf_id, di->bw_limit,
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di->cores);
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}
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static void devinfo_table_order(struct kunit *test)
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{
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int idx;
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for (idx = 0; idx < iwl_dev_info_table_size; idx++) {
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const struct iwl_dev_info *di = &iwl_dev_info_table[idx];
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const struct iwl_dev_info *ret;
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ret = iwl_pci_find_dev_info(di->device, di->subdevice,
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di->mac_type, di->mac_step,
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di->rf_type, di->cdb,
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di->jacket, di->rf_id,
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di->bw_limit != IWL_CFG_BW_NO_LIM,
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di->cores, di->rf_step);
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if (!ret) {
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iwl_pci_print_dev_info("No entry found for: ", di);
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KUNIT_FAIL(test,
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"No entry found for entry at index %d\n", idx);
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} else if (ret != di) {
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iwl_pci_print_dev_info("searched: ", di);
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iwl_pci_print_dev_info("found: ", ret);
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KUNIT_FAIL(test,
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"unusable entry at index %d (found index %d instead)\n",
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idx, (int)(ret - iwl_dev_info_table));
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}
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}
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}
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static void devinfo_pci_ids(struct kunit *test)
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{
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struct pci_dev *dev;
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dev = kunit_kmalloc(test, sizeof(*dev), GFP_KERNEL);
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KUNIT_ASSERT_NOT_NULL(test, dev);
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for (int i = 0; iwl_hw_card_ids[i].vendor; i++) {
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const struct pci_device_id *s, *t;
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s = &iwl_hw_card_ids[i];
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dev->vendor = s->vendor;
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dev->device = s->device;
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dev->subsystem_vendor = s->subvendor;
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dev->subsystem_device = s->subdevice;
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dev->class = s->class;
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t = pci_match_id(iwl_hw_card_ids, dev);
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KUNIT_EXPECT_PTR_EQ(test, t, s);
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}
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}
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static struct kunit_case devinfo_test_cases[] = {
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KUNIT_CASE(devinfo_table_order),
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KUNIT_CASE(devinfo_pci_ids),
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{}
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};
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static struct kunit_suite iwlwifi_devinfo = {
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.name = "iwlwifi-devinfo",
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.test_cases = devinfo_test_cases,
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};
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kunit_test_suite(iwlwifi_devinfo);
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