From: Yuval Mintz <Yuval.Mintz@qlogic.com>
Date: Sun, 19 Jun 2016 12:18:13 +0000 (+0300)
Subject: qed*: Don't reset statistics on inner reload
X-Git-Tag: v4.1.12-92~115^2~4
X-Git-Url: https://www.infradead.org/git/?a=commitdiff_plain;h=fa803720f7366ef5051ea55935fecaf5c94f871c;p=users%2Fjedix%2Flinux-maple.git

qed*: Don't reset statistics on inner reload

Several user APIs can cause driver to perform an inner-reload.
Currently, doing this would cause the HW/FW statistics of the
adapter to reset, which isn't the expected behavior [statistics
should only reset on explicit unloads].

Signed-off-by: Yuval Mintz <Yuval.Mintz@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

Orabug: 23732603
Signed-off-by: Manjunath Govindashetty <manjunath.govindashetty@oracle.com>
---

diff --git a/drivers/net/ethernet/qlogic/qed/qed_l2.c b/drivers/net/ethernet/qlogic/qed/qed_l2.c
index 7e7ae83453d5e..aada4c7e095f2 100644
--- a/drivers/net/ethernet/qlogic/qed/qed_l2.c
+++ b/drivers/net/ethernet/qlogic/qed/qed_l2.c
@@ -1745,7 +1745,8 @@ static int qed_start_vport(struct qed_dev *cdev,
 			   start.vport_id, start.mtu);
 	}
 
-	qed_reset_vport_stats(cdev);
+	if (params->clear_stats)
+		qed_reset_vport_stats(cdev);
 
 	return 0;
 }
diff --git a/drivers/net/ethernet/qlogic/qede/qede_main.c b/drivers/net/ethernet/qlogic/qede/qede_main.c
index 661ec2468daa0..42762745554e6 100644
--- a/drivers/net/ethernet/qlogic/qede/qede_main.c
+++ b/drivers/net/ethernet/qlogic/qede/qede_main.c
@@ -3181,7 +3181,7 @@ static int qede_stop_queues(struct qede_dev *edev)
 	return rc;
 }
 
-static int qede_start_queues(struct qede_dev *edev)
+static int qede_start_queues(struct qede_dev *edev, bool clear_stats)
 {
 	int rc, tc, i;
 	int vlan_removal_en = 1;
@@ -3412,6 +3412,7 @@ out:
 
 enum qede_load_mode {
 	QEDE_LOAD_NORMAL,
+	QEDE_LOAD_RELOAD,
 };
 
 static int qede_load(struct qede_dev *edev, enum qede_load_mode mode)
@@ -3450,7 +3451,7 @@ static int qede_load(struct qede_dev *edev, enum qede_load_mode mode)
 		goto err3;
 	DP_INFO(edev, "Setup IRQs succeeded\n");
 
-	rc = qede_start_queues(edev);
+	rc = qede_start_queues(edev, mode != QEDE_LOAD_RELOAD);
 	if (rc)
 		goto err4;
 	DP_INFO(edev, "Start VPORT, RXQ and TXQ succeeded\n");
@@ -3505,7 +3506,7 @@ void qede_reload(struct qede_dev *edev,
 	if (func)
 		func(edev, args);
 
-	qede_load(edev, QEDE_LOAD_NORMAL);
+	qede_load(edev, QEDE_LOAD_RELOAD);
 
 	mutex_lock(&edev->qede_lock);
 	qede_config_rx_mode(edev->ndev);
diff --git a/include/linux/qed/qed_eth_if.h b/include/linux/qed/qed_eth_if.h
index 6ae8cb4a61d39..6c876a63558d7 100644
--- a/include/linux/qed/qed_eth_if.h
+++ b/include/linux/qed/qed_eth_if.h
@@ -49,6 +49,7 @@ struct qed_start_vport_params {
 	bool drop_ttl0;
 	u8 vport_id;
 	u16 mtu;
+	bool clear_stats;
 };
 
 struct qed_stop_rxq_params {