iwlwifi: mvm: support v2 of mfuart load notification

Add to the v1 of the mfuart loading notification, the size
of the mfuart image, and write it to dmesg once the notification
is received.
Signed-off-by: Golan Ben-Ami <golan.ben.ami@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>

drivers/net/wireless/intel/iwlwifi/mvm/fw-api.h

@@ -1256,13 +1256,16 @@ struct iwl_missed_beacons_notif {
  * @external_ver: external image version
  * @status: MFUART loading status
  * @duration: MFUART loading time
+ * @image_size: MFUART image size in bytes
 */
 struct iwl_mfuart_load_notif {
 	__le32 installed_ver;
 	__le32 external_ver;
 	__le32 status;
 	__le32 duration;
-} __packed; /*MFU_LOADER_NTFY_API_S_VER_1*/
+	/* image size valid only in v2 of the command */
+	__le32 image_size;
+} __packed; /*MFU_LOADER_NTFY_API_S_VER_2*/
 
 /**
  * struct iwl_set_calib_default_cmd - set default value for calibration.

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

@@ -1407,10 +1407,19 @@ void iwl_mvm_rx_mfuart_notif(struct iwl_mvm *mvm,
 	struct iwl_rx_packet *pkt = rxb_addr(rxb);
 	struct iwl_mfuart_load_notif *mfuart_notif = (void *)pkt->data;
 
-	IWL_DEBUG_INFO(mvm,
-		       "MFUART: installed ver: 0x%08x, external ver: 0x%08x, status: 0x%08x, duration: 0x%08x\n",
-		       le32_to_cpu(mfuart_notif->installed_ver),
-		       le32_to_cpu(mfuart_notif->external_ver),
-		       le32_to_cpu(mfuart_notif->status),
-		       le32_to_cpu(mfuart_notif->duration));
+	if (iwl_rx_packet_payload_len(pkt) == sizeof(*mfuart_notif))
+		IWL_DEBUG_INFO(mvm,
+			       "MFUART: installed ver: 0x%08x, external ver: 0x%08x, status: 0x%08x, duration: 0x%08x, image size: 0x%08x\n",
+			       le32_to_cpu(mfuart_notif->installed_ver),
+			       le32_to_cpu(mfuart_notif->external_ver),
+			       le32_to_cpu(mfuart_notif->status),
+			       le32_to_cpu(mfuart_notif->duration),
+			       le32_to_cpu(mfuart_notif->image_size));
+	else
+		IWL_DEBUG_INFO(mvm,
+			       "MFUART: installed ver: 0x%08x, external ver: 0x%08x, status: 0x%08x, duration: 0x%08x\n",
+			       le32_to_cpu(mfuart_notif->installed_ver),
+			       le32_to_cpu(mfuart_notif->external_ver),
+			       le32_to_cpu(mfuart_notif->status),
+			       le32_to_cpu(mfuart_notif->duration));
 }