tg3: Don't send APE events for NCSI firmware

NCSI firmware does not accept APE events.  It relies on a "driver state"
location in shared memory to tell it what the driver's current state is.

This patch pivots the code to use the new driver state scheme.

Reviewed-by: Benjamin Li <benli@broadcom.com>
Reviewed-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: Matt Carlson <mcarlson@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/tg3.c b/drivers/net/tg3.c
index 38f1b19..fc9706c 100644
--- a/drivers/net/tg3.c
+++ b/drivers/net/tg3.c
@@ -6596,6 +6596,10 @@
 	int i;
 	u32 apedata;
 
+	/* NCSI does not support APE events */
+	if (tp->tg3_flags3 & TG3_FLG3_APE_HAS_NCSI)
+		return;
+
 	apedata = tg3_ape_read32(tp, TG3_APE_SEG_SIG);
 	if (apedata != APE_SEG_SIG_MAGIC)
 		return;
@@ -6647,6 +6651,8 @@
 			APE_HOST_DRIVER_ID_MAGIC(TG3_MAJ_NUM, TG3_MIN_NUM));
 		tg3_ape_write32(tp, TG3_APE_HOST_BEHAVIOR,
 				APE_HOST_BEHAV_NO_PHYLOCK);
+		tg3_ape_write32(tp, TG3_APE_HOST_DRVR_STATE,
+				    TG3_APE_HOST_DRVR_STATE_START);
 
 		event = APE_EVENT_STATUS_STATE_START;
 		break;
@@ -6658,6 +6664,16 @@
 		 */
 		tg3_ape_write32(tp, TG3_APE_HOST_SEG_SIG, 0x0);
 
+		if (device_may_wakeup(&tp->pdev->dev) &&
+		    (tp->tg3_flags & TG3_FLAG_WOL_ENABLE)) {
+			tg3_ape_write32(tp, TG3_APE_HOST_WOL_SPEED,
+					    TG3_APE_HOST_WOL_SPEED_AUTO);
+			apedata = TG3_APE_HOST_DRVR_STATE_WOL;
+		} else
+			apedata = TG3_APE_HOST_DRVR_STATE_UNLOAD;
+
+		tg3_ape_write32(tp, TG3_APE_HOST_DRVR_STATE, apedata);
+
 		event = APE_EVENT_STATUS_STATE_UNLOAD;
 		break;
 	case RESET_KIND_SUSPEND:
@@ -12739,10 +12755,12 @@
 
 	apedata = tg3_ape_read32(tp, TG3_APE_FW_VERSION);
 
-	if (tg3_ape_read32(tp, TG3_APE_FW_FEATURES) & TG3_APE_FW_FEATURE_NCSI)
+	if (tg3_ape_read32(tp, TG3_APE_FW_FEATURES) & TG3_APE_FW_FEATURE_NCSI) {
+		tp->tg3_flags3 |= TG3_FLG3_APE_HAS_NCSI;
 		fwtype = "NCSI";
-	else
+	} else {
 		fwtype = "DASH";
+	}
 
 	vlen = strlen(tp->fw_ver);