[PATCH 5.10 35/92] aquantia: Do not purge addresses when setting the number of rings

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From: Izabela Bakollari <ibakolla@xxxxxxxxxx>

[ Upstream commit 2a83891130512dafb321418a8e7c9c09268d8c59 ]

IPV6 addresses are purged when setting the number of rx/tx
rings using ethtool -G. The function aq_set_ringparam
calls dev_close, which removes the addresses. As a solution,
call an internal function (aq_ndev_close).

Fixes: c1af5427954b ("net: aquantia: Ethtool based ring size configuration")
Signed-off-by: Izabela Bakollari <ibakolla@xxxxxxxxxx>
Signed-off-by: David S. Miller <davem@xxxxxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
 drivers/net/ethernet/aquantia/atlantic/aq_ethtool.c | 5 +++--
 drivers/net/ethernet/aquantia/atlantic/aq_main.c    | 4 ++--
 drivers/net/ethernet/aquantia/atlantic/aq_main.h    | 2 ++
 3 files changed, 7 insertions(+), 4 deletions(-)

diff --git a/drivers/net/ethernet/aquantia/atlantic/aq_ethtool.c b/drivers/net/ethernet/aquantia/atlantic/aq_ethtool.c
index de2a9348bc3f..1d512e6a89f5 100644
--- a/drivers/net/ethernet/aquantia/atlantic/aq_ethtool.c
+++ b/drivers/net/ethernet/aquantia/atlantic/aq_ethtool.c
@@ -13,6 +13,7 @@
 #include "aq_ptp.h"
 #include "aq_filters.h"
 #include "aq_macsec.h"
+#include "aq_main.h"
 
 #include <linux/ptp_clock_kernel.h>
 
@@ -841,7 +842,7 @@ static int aq_set_ringparam(struct net_device *ndev,
 
 	if (netif_running(ndev)) {
 		ndev_running = true;
-		dev_close(ndev);
+		aq_ndev_close(ndev);
 	}
 
 	cfg->rxds = max(ring->rx_pending, hw_caps->rxds_min);
@@ -857,7 +858,7 @@ static int aq_set_ringparam(struct net_device *ndev,
 		goto err_exit;
 
 	if (ndev_running)
-		err = dev_open(ndev, NULL);
+		err = aq_ndev_open(ndev);
 
 err_exit:
 	return err;
diff --git a/drivers/net/ethernet/aquantia/atlantic/aq_main.c b/drivers/net/ethernet/aquantia/atlantic/aq_main.c
index ff245f75fa3d..1401fc4632b5 100644
--- a/drivers/net/ethernet/aquantia/atlantic/aq_main.c
+++ b/drivers/net/ethernet/aquantia/atlantic/aq_main.c
@@ -53,7 +53,7 @@ struct net_device *aq_ndev_alloc(void)
 	return ndev;
 }
 
-static int aq_ndev_open(struct net_device *ndev)
+int aq_ndev_open(struct net_device *ndev)
 {
 	struct aq_nic_s *aq_nic = netdev_priv(ndev);
 	int err = 0;
@@ -83,7 +83,7 @@ static int aq_ndev_open(struct net_device *ndev)
 	return err;
 }
 
-static int aq_ndev_close(struct net_device *ndev)
+int aq_ndev_close(struct net_device *ndev)
 {
 	struct aq_nic_s *aq_nic = netdev_priv(ndev);
 	int err = 0;
diff --git a/drivers/net/ethernet/aquantia/atlantic/aq_main.h b/drivers/net/ethernet/aquantia/atlantic/aq_main.h
index a5a624b9ce73..2a562ab7a5af 100644
--- a/drivers/net/ethernet/aquantia/atlantic/aq_main.h
+++ b/drivers/net/ethernet/aquantia/atlantic/aq_main.h
@@ -14,5 +14,7 @@
 
 void aq_ndev_schedule_work(struct work_struct *work);
 struct net_device *aq_ndev_alloc(void);
+int aq_ndev_open(struct net_device *ndev);
+int aq_ndev_close(struct net_device *ndev);
 
 #endif /* AQ_MAIN_H */
-- 
2.35.1






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