qtnfmac: pass DFS region to firmware on region update

Pass DFS region as requested by regulatory core directly to firmware
so it can initialize radar detection block accordingly.
Signed-off-by: Igor Mitsyanko <igor.mitsyanko.os@quantenna.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>

drivers/net/wireless/quantenna/qtnfmac/commands.c

@@ -2376,6 +2376,21 @@ int qtnf_cmd_reg_notify(struct qtnf_wmac *mac, struct regulatory_request *req)
 		break;
 	}
 
+	switch (req->dfs_region) {
+	case NL80211_DFS_FCC:
+		cmd->dfs_region = QLINK_DFS_FCC;
+		break;
+	case NL80211_DFS_ETSI:
+		cmd->dfs_region = QLINK_DFS_ETSI;
+		break;
+	case NL80211_DFS_JP:
+		cmd->dfs_region = QLINK_DFS_JP;
+		break;
+	default:
+		cmd->dfs_region = QLINK_DFS_UNSET;
+		break;
+	}
+
 	cmd->num_channels = 0;
 
 	for (band = 0; band < NUM_NL80211_BANDS; band++) {

drivers/net/wireless/quantenna/qtnfmac/qlink.h

@@ -582,6 +582,7 @@ enum qlink_user_reg_hint_type {
  *	of &enum qlink_user_reg_hint_type.
  * @num_channels: number of &struct qlink_tlv_channel in a variable portion of a
  *	payload.
+ * @dfs_region: one of &enum qlink_dfs_regions.
  * @info: variable portion of regulatory notifier callback.
  */
 struct qlink_cmd_reg_notify {
@@ -590,7 +591,8 @@ struct qlink_cmd_reg_notify {
 	u8 initiator;
 	u8 user_reg_hint_type;
 	u8 num_channels;
-	u8 rsvd[3];
+	u8 dfs_region;
+	u8 rsvd[2];
 	u8 info[0];
 } __packed;
 
@@ -800,7 +802,7 @@ enum qlink_dfs_regions {
  * @alpha2: country code ID firmware is configured to.
  * @n_reg_rules: number of regulatory rules TLVs in variable portion of the
  *	message.
- * @dfs_region: regulatory DFS region, one of @enum qlink_dfs_region.
+ * @dfs_region: regulatory DFS region, one of &enum qlink_dfs_regions.
  * @var_info: variable-length WMAC info data.
  */
 struct qlink_resp_get_mac_info {