netdev - [PATCH net-next 3/5] dpaa2-switch: keep track of the current learning state per port

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Message-Id: <20210330145419.381355-4-ciorneiioana@gmail.com>
Date:   Tue, 30 Mar 2021 17:54:17 +0300
From:   Ioana Ciornei <ciorneiioana@...il.com>
To:     davem@...emloft.net, kuba@...nel.org, netdev@...r.kernel.org
Cc:     olteanv@...il.com, andrew@...n.ch, f.fainelli@...il.com,
        Ioana Ciornei <ioana.ciornei@....com>
Subject: [PATCH net-next 3/5] dpaa2-switch: keep track of the current learning state per port

From: Ioana Ciornei <ioana.ciornei@....com>

Keep track of the current learning state per port so that we can
reference it in the next patches when setting up a STP state.

Signed-off-by: Ioana Ciornei <ioana.ciornei@....com>
---
 drivers/net/ethernet/freescale/dpaa2/dpaa2-switch.c | 4 ++++
 drivers/net/ethernet/freescale/dpaa2/dpaa2-switch.h | 1 +
 2 files changed, 5 insertions(+)

diff --git a/drivers/net/ethernet/freescale/dpaa2/dpaa2-switch.c b/drivers/net/ethernet/freescale/dpaa2/dpaa2-switch.c
index 0683aa34f49c..45090d003b3d 100644
--- a/drivers/net/ethernet/freescale/dpaa2/dpaa2-switch.c
+++ b/drivers/net/ethernet/freescale/dpaa2/dpaa2-switch.c
@@ -1329,6 +1329,7 @@ static int dpaa2_switch_port_bridge_flags(struct net_device *netdev,
 		err = dpaa2_switch_port_set_learning(port_priv, learn_ena);
 		if (err)
 			return err;
+		port_priv->learn_ena = learn_ena;
 	}
 
 	if (flags.mask & (BR_BCAST_FLOOD | BR_FLOOD | BR_MCAST_FLOOD)) {
@@ -1637,6 +1638,7 @@ static int dpaa2_switch_port_bridge_join(struct net_device *netdev,
 	/* Inherit the initial bridge port learning state */
 	learn_ena = br_port_flag_is_set(netdev, BR_LEARNING);
 	err = dpaa2_switch_port_set_learning(port_priv, learn_ena);
+	port_priv->learn_ena = learn_ena;
 
 	/* Setup the egress flood policy (broadcast, unknown unicast) */
 	err = dpaa2_switch_fdb_set_egress_flood(ethsw, port_priv->fdb->fdb_id);
@@ -1719,6 +1721,7 @@ static int dpaa2_switch_port_bridge_leave(struct net_device *netdev)
 	err = dpaa2_switch_port_set_learning(port_priv, false);
 	if (err)
 		return err;
+	port_priv->learn_ena = false;
 
 	/* Add the VLAN 1 as PVID when not under a bridge. We need this since
 	 * the dpaa2 switch interfaces are not capable to be VLAN unaware
@@ -2839,6 +2842,7 @@ static int dpaa2_switch_probe_port(struct ethsw_core *ethsw,
 	err = dpaa2_switch_port_set_learning(port_priv, false);
 	if (err)
 		goto err_port_probe;
+	port_priv->learn_ena = false;
 
 	return 0;
 
diff --git a/drivers/net/ethernet/freescale/dpaa2/dpaa2-switch.h b/drivers/net/ethernet/freescale/dpaa2/dpaa2-switch.h
index 655937887960..35990761ce8f 100644
--- a/drivers/net/ethernet/freescale/dpaa2/dpaa2-switch.h
+++ b/drivers/net/ethernet/freescale/dpaa2/dpaa2-switch.h
@@ -115,6 +115,7 @@ struct ethsw_port_priv {
 	struct dpaa2_switch_fdb	*fdb;
 	bool			bcast_flood;
 	bool			ucast_flood;
+	bool			learn_ena;
 
 	u16			acl_tbl;
 };
-- 
2.30.0