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Date: Fri, 19 May 2017 17:00:45 -0400
From: Vivien Didelot <vivien.didelot@...oirfairelinux.com>
To: netdev@...r.kernel.org
Cc: linux-kernel@...r.kernel.org, kernel@...oirfairelinux.com,
"David S. Miller" <davem@...emloft.net>,
Florian Fainelli <f.fainelli@...il.com>,
Andrew Lunn <andrew@...n.ch>,
Vivien Didelot <vivien.didelot@...oirfairelinux.com>
Subject: [PATCH net-next 10/20] net: dsa: move bridging routines
Move the DSA port code which bridges a port in port.c, where it belongs.
Signed-off-by: Vivien Didelot <vivien.didelot@...oirfairelinux.com>
---
net/dsa/dsa_priv.h | 2 ++
net/dsa/port.c | 58 ++++++++++++++++++++++++++++++++++++++++++++++++++++++
net/dsa/slave.c | 57 -----------------------------------------------------
3 files changed, 60 insertions(+), 57 deletions(-)
diff --git a/net/dsa/dsa_priv.h b/net/dsa/dsa_priv.h
index cda218cd9b05..f0b6cd3c8a65 100644
--- a/net/dsa/dsa_priv.h
+++ b/net/dsa/dsa_priv.h
@@ -64,6 +64,8 @@ void dsa_legacy_unregister(void);
int dsa_port_set_state(struct dsa_port *dp, u8 state,
struct switchdev_trans *trans);
void dsa_port_set_state_now(struct dsa_port *dp, u8 state);
+int dsa_port_bridge_join(struct dsa_port *dp, struct net_device *br);
+void dsa_port_bridge_leave(struct dsa_port *dp, struct net_device *br);
/* slave.c */
extern const struct dsa_device_ops notag_netdev_ops;
diff --git a/net/dsa/port.c b/net/dsa/port.c
index 6cc4704190fd..da8577fb3d07 100644
--- a/net/dsa/port.c
+++ b/net/dsa/port.c
@@ -11,9 +11,20 @@
*/
#include <linux/if_bridge.h>
+#include <linux/notifier.h>
#include "dsa_priv.h"
+static int dsa_port_notify(struct dsa_port *dp, unsigned long e, void *v)
+{
+ struct raw_notifier_head *nh = &dp->ds->dst->nh;
+ int err;
+
+ err = raw_notifier_call_chain(nh, e, v);
+
+ return notifier_to_errno(err);
+}
+
int dsa_port_set_state(struct dsa_port *dp, u8 state,
struct switchdev_trans *trans)
{
@@ -53,3 +64,50 @@ void dsa_port_set_state_now(struct dsa_port *dp, u8 state)
if (err)
pr_err("DSA: failed to set STP state %u (%d)\n", state, err);
}
+
+int dsa_port_bridge_join(struct dsa_port *dp, struct net_device *br)
+{
+ struct dsa_notifier_bridge_info info = {
+ .sw_index = dp->ds->index,
+ .port = dp->index,
+ .br = br,
+ };
+ int err;
+
+ /* Here the port is already bridged. Reflect the current configuration
+ * so that drivers can program their chips accordingly.
+ */
+ dp->bridge_dev = br;
+
+ err = dsa_port_notify(dp, DSA_NOTIFIER_BRIDGE_JOIN, &info);
+
+ /* The bridging is rolled back on error */
+ if (err)
+ dp->bridge_dev = NULL;
+
+ return err;
+}
+
+void dsa_port_bridge_leave(struct dsa_port *dp, struct net_device *br)
+{
+ struct dsa_notifier_bridge_info info = {
+ .sw_index = dp->ds->index,
+ .port = dp->index,
+ .br = br,
+ };
+ int err;
+
+ /* Here the port is already unbridged. Reflect the current configuration
+ * so that drivers can program their chips accordingly.
+ */
+ dp->bridge_dev = NULL;
+
+ err = dsa_port_notify(dp, DSA_NOTIFIER_BRIDGE_LEAVE, &info);
+ if (err)
+ pr_err("DSA: failed to notify DSA_NOTIFIER_BRIDGE_LEAVE\n");
+
+ /* Port left the bridge, put in BR_STATE_DISABLED by the bridge layer,
+ * so allow it to be in BR_STATE_FORWARDING to be kept functional
+ */
+ dsa_port_set_state_now(dp, BR_STATE_FORWARDING);
+}
diff --git a/net/dsa/slave.c b/net/dsa/slave.c
index 2c57c7205aa3..ab298c41b8e7 100644
--- a/net/dsa/slave.c
+++ b/net/dsa/slave.c
@@ -27,16 +27,6 @@
static bool dsa_slave_dev_check(struct net_device *dev);
-static int dsa_port_notify(struct dsa_port *dp, unsigned long e, void *v)
-{
- struct raw_notifier_head *nh = &dp->ds->dst->nh;
- int err;
-
- err = raw_notifier_call_chain(nh, e, v);
-
- return notifier_to_errno(err);
-}
-
/* slave mii_bus handling ***************************************************/
static int dsa_slave_phy_read(struct mii_bus *bus, int addr, int reg)
{
@@ -514,53 +504,6 @@ static int dsa_slave_port_obj_dump(struct net_device *dev,
return err;
}
-static int dsa_port_bridge_join(struct dsa_port *dp, struct net_device *br)
-{
- struct dsa_notifier_bridge_info info = {
- .sw_index = dp->ds->index,
- .port = dp->index,
- .br = br,
- };
- int err;
-
- /* Here the port is already bridged. Reflect the current configuration
- * so that drivers can program their chips accordingly.
- */
- dp->bridge_dev = br;
-
- err = dsa_port_notify(dp, DSA_NOTIFIER_BRIDGE_JOIN, &info);
-
- /* The bridging is rolled back on error */
- if (err)
- dp->bridge_dev = NULL;
-
- return err;
-}
-
-static void dsa_port_bridge_leave(struct dsa_port *dp, struct net_device *br)
-{
- struct dsa_notifier_bridge_info info = {
- .sw_index = dp->ds->index,
- .port = dp->index,
- .br = br,
- };
- int err;
-
- /* Here the port is already unbridged. Reflect the current configuration
- * so that drivers can program their chips accordingly.
- */
- dp->bridge_dev = NULL;
-
- err = dsa_port_notify(dp, DSA_NOTIFIER_BRIDGE_LEAVE, &info);
- if (err)
- pr_err("DSA: failed to notify DSA_NOTIFIER_BRIDGE_LEAVE\n");
-
- /* Port left the bridge, put in BR_STATE_DISABLED by the bridge layer,
- * so allow it to be in BR_STATE_FORWARDING to be kept functional
- */
- dsa_port_set_state_now(dp, BR_STATE_FORWARDING);
-}
-
static int dsa_slave_port_attr_get(struct net_device *dev,
struct switchdev_attr *attr)
{
--
2.13.0
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