From 4423c18e466afdfb02a36ee8b9f901d144b3c607 Mon Sep 17 00:00:00 2001
From: Yelena Krivosheev <yelena@marvell.com>
Date: Tue, 19 Dec 2017 17:59:45 +0100
Subject: [PATCH 1/3] net: mvneta: clear interface link status on port disable

When port connect to PHY in polling mode (with poll interval 1 sec),
port and phy link status must be synchronize in order don't loss link
change event.

[gregory.clement@free-electrons.com: add fixes tag]
Cc: <stable@vger.kernel.org>
Fixes: c5aff18204da ("net: mvneta: driver for Marvell Armada 370/XP network unit")
Signed-off-by: Yelena Krivosheev <yelena@marvell.com>
Tested-by: Dmitri Epshtein <dima@marvell.com>
Signed-off-by: Gregory CLEMENT <gregory.clement@free-electrons.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/ethernet/marvell/mvneta.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/drivers/net/ethernet/marvell/mvneta.c b/drivers/net/ethernet/marvell/mvneta.c
index bc93b69cfd1e..16b2bfb2cf51 100644
--- a/drivers/net/ethernet/marvell/mvneta.c
+++ b/drivers/net/ethernet/marvell/mvneta.c
@@ -1214,6 +1214,10 @@ static void mvneta_port_disable(struct mvneta_port *pp)
 	val &= ~MVNETA_GMAC0_PORT_ENABLE;
 	mvreg_write(pp, MVNETA_GMAC_CTRL_0, val);
 
+	pp->link = 0;
+	pp->duplex = -1;
+	pp->speed = 0;
+
 	udelay(200);
 }
 

From ca5902a6547f662419689ca28b3c29a772446caa Mon Sep 17 00:00:00 2001
From: Yelena Krivosheev <yelena@marvell.com>
Date: Tue, 19 Dec 2017 17:59:46 +0100
Subject: [PATCH 2/3] net: mvneta: use proper rxq_number in loop on rx queues

When adding the RX queue association with each CPU, a typo was made in
the mvneta_cleanup_rxqs() function. This patch fixes it.

[gregory.clement@free-electrons.com: add commit log and fixes tag]
Cc: stable@vger.kernel.org
Fixes: 2dcf75e2793c ("net: mvneta: Associate RX queues with each CPU")
Signed-off-by: Yelena Krivosheev <yelena@marvell.com>
Tested-by: Dmitri Epshtein <dima@marvell.com>
Signed-off-by: Gregory CLEMENT <gregory.clement@free-electrons.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/ethernet/marvell/mvneta.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/ethernet/marvell/mvneta.c b/drivers/net/ethernet/marvell/mvneta.c
index 16b2bfb2cf51..1e0835655c93 100644
--- a/drivers/net/ethernet/marvell/mvneta.c
+++ b/drivers/net/ethernet/marvell/mvneta.c
@@ -3015,7 +3015,7 @@ static void mvneta_cleanup_rxqs(struct mvneta_port *pp)
 {
 	int queue;
 
-	for (queue = 0; queue < txq_number; queue++)
+	for (queue = 0; queue < rxq_number; queue++)
 		mvneta_rxq_deinit(pp, &pp->rxqs[queue]);
 }
 

From 2eecb2e04abb62ef8ea7b43e1a46bdb5b99d1bf8 Mon Sep 17 00:00:00 2001
From: Yelena Krivosheev <yelena@marvell.com>
Date: Tue, 19 Dec 2017 17:59:47 +0100
Subject: [PATCH 3/3] net: mvneta: eliminate wrong call to handle rx descriptor
 error

There are few reasons in mvneta_rx_swbm() function when received packet
is dropped. mvneta_rx_error() should be called only if error bit [16]
is set in rx descriptor.

[gregory.clement@free-electrons.com: add fixes tag]
Cc: stable@vger.kernel.org
Fixes: dc35a10f68d3 ("net: mvneta: bm: add support for hardware buffer management")
Signed-off-by: Yelena Krivosheev <yelena@marvell.com>
Tested-by: Dmitri Epshtein <dima@marvell.com>
Signed-off-by: Gregory CLEMENT <gregory.clement@free-electrons.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/ethernet/marvell/mvneta.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/ethernet/marvell/mvneta.c b/drivers/net/ethernet/marvell/mvneta.c
index 1e0835655c93..a539263cd79c 100644
--- a/drivers/net/ethernet/marvell/mvneta.c
+++ b/drivers/net/ethernet/marvell/mvneta.c
@@ -1962,9 +1962,9 @@ static int mvneta_rx_swbm(struct mvneta_port *pp, int rx_todo,
 
 		if (!mvneta_rxq_desc_is_first_last(rx_status) ||
 		    (rx_status & MVNETA_RXD_ERR_SUMMARY)) {
+			mvneta_rx_error(pp, rx_desc);
 err_drop_frame:
 			dev->stats.rx_errors++;
-			mvneta_rx_error(pp, rx_desc);
 			/* leave the descriptor untouched */
 			continue;
 		}