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wifi: iwlwifi: mld: disallow puncturing in US/CA for WH

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FM continues to follow the BIOS/MCC policy, while WH sets
DISALLOW_PUNCTURING for US/CA and clears it for other MCC values.
Update the MCC handling accordingly.

Signed-off-by: Pagadala Yesu Anjaneyulu <pagadala.yesu.anjaneyulu@intel.com>
Reviewed-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Link: https://patch.msgid.link/20260515150751.df1f1fdd141f.I900c9e2e3dd722619db12ba10d0879a56a2a55f2@changeid
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
This commit is contained in:
Pagadala Yesu Anjaneyulu 2026-05-15 15:09:48 +03:00 committed by Miri Korenblit
parent 5864b87863
commit ce2edf7c39
1 changed files with 11 additions and 2 deletions
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13
drivers/net/wireless/intel/iwlwifi/mld/mcc.c
View File

@ -1,6 +1,6 @@
// SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause
/*
* Copyright (C) 2024-2025 Intel Corporation
* Copyright (C) 2024-2026 Intel Corporation
*/
#include <net/cfg80211.h>
@ -129,7 +129,7 @@ iwl_mld_get_regdomain(struct iwl_mld *mld,
mld->mcc_src = resp->source_id;
/* FM is the earliest supported and later always do puncturing */
/* FM follows BIOS/MCC policy, WH disallows puncturing only in US/CA. */
if (CSR_HW_RFID_TYPE(mld->trans->info.hw_rf_id) == IWL_CFG_RF_TYPE_FM) {
if (!iwl_puncturing_is_allowed_in_bios(mld->bios_enable_puncturing,
le16_to_cpu(resp->mcc)))
@ -137,6 +137,15 @@ iwl_mld_get_regdomain(struct iwl_mld *mld,
else
__clear_bit(IEEE80211_HW_DISALLOW_PUNCTURING,
mld->hw->flags);
} else if (CSR_HW_RFID_TYPE(mld->trans->info.hw_rf_id) ==
IWL_CFG_RF_TYPE_WH) {
u16 mcc = le16_to_cpu(resp->mcc);
if (mcc == IWL_MCC_US || mcc == IWL_MCC_CANADA)
ieee80211_hw_set(mld->hw, DISALLOW_PUNCTURING);
else
__clear_bit(IEEE80211_HW_DISALLOW_PUNCTURING,
mld->hw->flags);
}
out: