wifi: iwlwifi: mvm: disallow puncturing in US/Canada

For now, this isn't allowed. The API to mac80211 isn't great
for this, but we need to change the API to move puncturing
into the chanctx/chandef, and will do it better then.

Signed-off-by: Johannes Berg <[email protected]>
Reviewed-by: Gregory Greenman <[email protected]>
Signed-off-by: Miri Korenblit <[email protected]>
Link: https://msgid.link/20231219215605.38955b68b429.I0c4ae99179b271648a747a51eb04853504c7952c@changeid
Signed-off-by: Johannes Berg <[email protected]>

Author: jmberg-intel

drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c

@@ -152,6 +152,16 @@ struct ieee80211_regdomain *iwl_mvm_get_regdomain(struct wiphy *wiphy,
 	mvm->lar_regdom_set = true;
 	mvm->mcc_src = src_id;
 
+	/* Some kind of regulatory mess means we need to currently disallow
+	 * puncturing in the US and Canada. Do that here, at least until we
+	 * figure out the new chanctx APIs for puncturing.
+	 */
+	if (resp->mcc == cpu_to_le16(IWL_MCC_US) ||
+	    resp->mcc == cpu_to_le16(IWL_MCC_CANADA))
+		ieee80211_hw_set(mvm->hw, DISALLOW_PUNCTURING);
+	else
+		__clear_bit(IEEE80211_HW_DISALLOW_PUNCTURING, mvm->hw->flags);
+
 	iwl_mei_set_country_code(__le16_to_cpu(resp->mcc));
 
 out: