linux-kernel - [PATCH 4/5] staging: fsl-dpaa2/ethsw: check added_by

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Date:   Mon, 29 Jul 2019 19:11:51 +0300
From:   Ioana Ciornei <ioana.ciornei@....com>
To:     gregkh@...uxfoundation.org, linux-kernel@...r.kernel.org
Cc:     netdev@...r.kernel.org, davem@...emloft.net, andrew@...n.ch,
        f.fainelli@...il.com, jiri@...lanox.com,
        Ioana Ciornei <ioana.ciornei@....com>
Subject: [PATCH 4/5] staging: fsl-dpaa2/ethsw: check added_by_user flag

We do not want to offload FDB entries if not added by user as static
entries. Check the added_by_user flag and break if not set.

Signed-off-by: Ioana Ciornei <ioana.ciornei@....com>
---
 drivers/staging/fsl-dpaa2/ethsw/ethsw.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/drivers/staging/fsl-dpaa2/ethsw/ethsw.c b/drivers/staging/fsl-dpaa2/ethsw/ethsw.c
index e6423f1e190d..2d3179c6bad8 100644
--- a/drivers/staging/fsl-dpaa2/ethsw/ethsw.c
+++ b/drivers/staging/fsl-dpaa2/ethsw/ethsw.c
@@ -1179,6 +1179,8 @@ static void ethsw_switchdev_event_work(struct work_struct *work)
 
 	switch (switchdev_work->event) {
 	case SWITCHDEV_FDB_ADD_TO_DEVICE:
+		if (!fdb_info->added_by_user)
+			break;
 		if (is_unicast_ether_addr(fdb_info->addr))
 			err = ethsw_port_fdb_add_uc(netdev_priv(dev),
 						    fdb_info->addr);
@@ -1192,6 +1194,8 @@ static void ethsw_switchdev_event_work(struct work_struct *work)
 					 &fdb_info->info, NULL);
 		break;
 	case SWITCHDEV_FDB_DEL_TO_DEVICE:
+		if (!fdb_info->added_by_user)
+			break;
 		if (is_unicast_ether_addr(fdb_info->addr))
 			ethsw_port_fdb_del_uc(netdev_priv(dev), fdb_info->addr);
 		else
-- 
1.9.1