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wifi: iwlwifi: mask reserved bits in chan_state_active_bitmap

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Mask the reserved bits as firmware will assert if reserved bits are set.

Fixes: ef7ddf4e2f ("wifi: iwlwifi: Add support for LARI_CONFIG_CHANGE_CMD v12")
Signed-off-by: Pagadala Yesu Anjaneyulu <pagadala.yesu.anjaneyulu@intel.com>
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://patch.msgid.link/20250709065608.7a72c70bdc9d.Ic9be0a3fc3aabde0c4b88568f3bb7b76e375f8d4@changeid
This commit is contained in:
Pagadala Yesu Anjaneyulu 2025-07-09 06:56:39 +03:00 • committed by Miri Korenblit
parent e5d110fec0
commit 5fde0fcbd7
3 changed files with 7 additions and 3 deletions
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5
drivers/net/wireless/intel/iwlwifi/fw/api/nvm-reg.h
View file

@ -1,6 +1,6 @@
/* SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause */
/*
* Copyright (C) 2012-2014, 2018-2024 Intel Corporation
* Copyright (C) 2012-2014, 2018-2025 Intel Corporation
* Copyright (C) 2013-2015 Intel Mobile Communications GmbH
* Copyright (C) 2016-2017 Intel Deutschland GmbH
*/
@ -754,7 +754,7 @@ struct iwl_lari_config_change_cmd_v10 {
* according to the BIOS definitions.
* For LARI cmd version 11 - bits 0:4 are supported.
* For LARI cmd version 12 - bits 0:6 are supported and bits 7:31 are
* reserved. No need to mask out the reserved bits.
* reserved.
* @force_disable_channels_bitmap: Bitmap of disabled bands/channels.
* Each bit represents a set of channels in a specific band that should be
* disabled
@ -787,6 +787,7 @@ struct iwl_lari_config_change_cmd {
/* Activate UNII-1 (5.2GHz) for World Wide */
#define ACTIVATE_5G2_IN_WW_MASK BIT(4)
#define CHAN_STATE_ACTIVE_BITMAP_CMD_V11 0x1F
#define CHAN_STATE_ACTIVE_BITMAP_CMD_V12 0x7F
/**
* struct iwl_pnvm_init_complete_ntfy - PNVM initialization complete

1
drivers/net/wireless/intel/iwlwifi/fw/regulatory.c
View file

@ -614,6 +614,7 @@ int iwl_fill_lari_config(struct iwl_fw_runtime *fwrt,
ret = iwl_bios_get_dsm(fwrt, DSM_FUNC_ACTIVATE_CHANNEL, &value);
if (!ret) {
value &= CHAN_STATE_ACTIVE_BITMAP_CMD_V12;
if (cmd_ver < 8)
value &= ~ACTIVATE_5G2_IN_WW_MASK;

4
drivers/net/wireless/intel/iwlwifi/mld/regulatory.c
View file

@ -251,8 +251,10 @@ void iwl_mld_configure_lari(struct iwl_mld *mld)
cpu_to_le32(value &= DSM_UNII4_ALLOW_BITMAP);
ret = iwl_bios_get_dsm(fwrt, DSM_FUNC_ACTIVATE_CHANNEL, &value);
if (!ret)
if (!ret) {
value &= CHAN_STATE_ACTIVE_BITMAP_CMD_V12;
cmd.chan_state_active_bitmap = cpu_to_le32(value);
}
ret = iwl_bios_get_dsm(fwrt, DSM_FUNC_ENABLE_6E, &value);
if (!ret)