netdev - [PATCH net-next v6 10/23] switchdev: add bridge port flags attr

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Message-Id: <1431193225-807-11-git-send-email-sfeldma@gmail.com>
Date:	Sat,  9 May 2015 10:40:12 -0700
From:	sfeldma@...il.com
To:	netdev@...r.kernel.org
Cc:	jiri@...nulli.us, roopa@...ulusnetworks.com, linux@...ck-us.net,
	f.fainelli@...il.com, andrew@...n.ch, simon.horman@...ronome.com,
	joe@...ches.com, sridhar.samudrala@...el.com, ronen.arad@...el.com
Subject: [PATCH net-next v6 10/23] switchdev: add bridge port flags attr

From: Scott Feldman <sfeldma@...il.com>

rocker: use switchdev get/set attr for bridge port flags

Signed-off-by: Scott Feldman <sfeldma@...il.com>
---
 drivers/net/ethernet/rocker/rocker.c |   24 ++++++++++++++++++++++++
 include/net/switchdev.h              |    2 ++
 2 files changed, 26 insertions(+)

diff --git a/drivers/net/ethernet/rocker/rocker.c b/drivers/net/ethernet/rocker/rocker.c
index 048d4b7..f9281ea 100644
--- a/drivers/net/ethernet/rocker/rocker.c
+++ b/drivers/net/ethernet/rocker/rocker.c
@@ -4346,6 +4346,9 @@ static int rocker_port_attr_get(struct net_device *dev,
 		attr->ppid.id_len = sizeof(rocker->hw.id);
 		memcpy(&attr->ppid.id, &rocker->hw.id, attr->ppid.id_len);
 		break;
+	case SWITCHDEV_ATTR_PORT_BRIDGE_FLAGS:
+		attr->brport_flags = rocker_port->brport_flags;
+		break;
 	default:
 		return -EOPNOTSUPP;
 	}
@@ -4363,6 +4366,23 @@ static void rocker_port_trans_abort(struct rocker_port *rocker_port)
 	}
 }
 
+static int rocker_port_brport_flags_set(struct rocker_port *rocker_port,
+					unsigned long brport_flags)
+{
+	unsigned long orig_flags;
+	int err = 0;
+
+	orig_flags = rocker_port->brport_flags;
+	rocker_port->brport_flags = brport_flags;
+	if ((orig_flags ^ rocker_port->brport_flags) & BR_LEARNING)
+		err = rocker_port_set_learning(rocker_port);
+
+	if (rocker_port->trans == SWITCHDEV_TRANS_PREPARE)
+		rocker_port->brport_flags = orig_flags;
+
+	return err;
+}
+
 static int rocker_port_attr_set(struct net_device *dev,
 				struct switchdev_attr *attr)
 {
@@ -4386,6 +4406,10 @@ static int rocker_port_attr_set(struct net_device *dev,
 	case SWITCHDEV_ATTR_PORT_STP_STATE:
 		err = rocker_port_stp_update(rocker_port, attr->stp_state);
 		break;
+	case SWITCHDEV_ATTR_PORT_BRIDGE_FLAGS:
+		err = rocker_port_brport_flags_set(rocker_port,
+						   attr->brport_flags);
+		break;
 	default:
 		err = -EOPNOTSUPP;
 		break;
diff --git a/include/net/switchdev.h b/include/net/switchdev.h
index e598c2d..6cf6de1 100644
--- a/include/net/switchdev.h
+++ b/include/net/switchdev.h
@@ -27,6 +27,7 @@ enum switchdev_attr_id {
 	SWITCHDEV_ATTR_UNDEFINED,
 	SWITCHDEV_ATTR_PORT_PARENT_ID,
 	SWITCHDEV_ATTR_PORT_STP_STATE,
+	SWITCHDEV_ATTR_PORT_BRIDGE_FLAGS,
 };
 
 struct switchdev_attr {
@@ -36,6 +37,7 @@ struct switchdev_attr {
 	union {
 		struct netdev_phys_item_id ppid;	/* PORT_PARENT_ID */
 		u8 stp_state;				/* PORT_STP_STATE */
+		unsigned long brport_flags;		/* PORT_BRIDGE_FLAGS */
 	};
 };
 
-- 
1.7.10.4

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