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authorSomashekhar(Som) <somashekhar.puttagangaiah@intel.com>2024-07-29 20:20:17 +0300
committerJohannes Berg <johannes.berg@intel.com>2024-08-27 10:15:15 +0200
commitb312e357207c53270bd9b99e0bfd5dd9bf183078 (patch)
tree663b4e010ae4a6830aa1ede3d1e2b1c89b6e9c2f /drivers/net/wireless/intel/iwlwifi/fw/regulatory.c
parentdb9979d5aae8496233a8551320a69a2f9b1b0ac3 (diff)
wifi: iwlwifi: Enable channel puncturing for US/CAN from bios
Add support for enabling channel puncturing for US/CAN based on BIOS configuration through UEFI Signed-off-by: Somashekhar(Som) <somashekhar.puttagangaiah@intel.com> Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com> Link: https://patch.msgid.link/20240729201718.828f3ecf5118.I5561ab8c7cd48ad4e5d6daf21b037bf88c619a4a@changeid Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Diffstat (limited to 'drivers/net/wireless/intel/iwlwifi/fw/regulatory.c')
-rw-r--r--drivers/net/wireless/intel/iwlwifi/fw/regulatory.c16
1 files changed, 16 insertions, 0 deletions
diff --git a/drivers/net/wireless/intel/iwlwifi/fw/regulatory.c b/drivers/net/wireless/intel/iwlwifi/fw/regulatory.c
index 560a91998cc4..4d9a1f83ef8c 100644
--- a/drivers/net/wireless/intel/iwlwifi/fw/regulatory.c
+++ b/drivers/net/wireless/intel/iwlwifi/fw/regulatory.c
@@ -634,3 +634,19 @@ int iwl_bios_get_dsm(struct iwl_fw_runtime *fwrt, enum iwl_dsm_funcs func,
GET_BIOS_TABLE(dsm, fwrt, func, value);
}
IWL_EXPORT_SYMBOL(iwl_bios_get_dsm);
+
+bool iwl_puncturing_is_allowed_in_bios(u32 puncturing, u16 mcc)
+{
+ /* Some kind of regulatory mess means we need to currently disallow
+ * puncturing in the US and Canada unless enabled in BIOS.
+ */
+ switch (mcc) {
+ case IWL_MCC_US:
+ return puncturing & IWL_UEFI_CNV_PUNCTURING_USA_EN_MSK;
+ case IWL_MCC_CANADA:
+ return puncturing & IWL_UEFI_CNV_PUNCTURING_CANADA_EN_MSK;
+ default:
+ return true;
+ }
+}
+IWL_EXPORT_SYMBOL(iwl_puncturing_is_allowed_in_bios);