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Date: Wed, 27 Apr 2016 18:30:13 -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>, Jiri Pirko <jiri@...nulli.us>,
Vivien Didelot <vivien.didelot@...oirfairelinux.com>
Subject: [RFC 16/20] net: dsa: add tree-wide VLAN ops
In order to support cross-chip operations, we need to inform each switch
driver when a port operation occurs in a DSA tree.
Implement tree-wide VLAN operations.
Signed-off-by: Vivien Didelot <vivien.didelot@...oirfairelinux.com>
---
drivers/net/dsa/mv88e6xxx.c | 12 +++++++++
net/dsa/dsa_priv.h | 8 ++++++
net/dsa/slave.c | 59 ++++++--------------------------------------
net/dsa/tree.c | 60 +++++++++++++++++++++++++++++++++++++++++++++
4 files changed, 87 insertions(+), 52 deletions(-)
diff --git a/drivers/net/dsa/mv88e6xxx.c b/drivers/net/dsa/mv88e6xxx.c
index 7d29de3..8004d00 100644
--- a/drivers/net/dsa/mv88e6xxx.c
+++ b/drivers/net/dsa/mv88e6xxx.c
@@ -1378,6 +1378,9 @@ int mv88e6xxx_port_vlan_dump(struct dsa_switch *ds, struct dsa_port *dp,
u16 pvid;
int err;
+ if (dsa_port_is_external(dp, ds))
+ return -EOPNOTSUPP;
+
mutex_lock(&ps->smi_mutex);
err = _mv88e6xxx_port_pvid_get(ds, dp->port, &pvid);
@@ -1835,6 +1838,9 @@ int mv88e6xxx_port_vlan_prepare(struct dsa_switch *ds, struct dsa_port *dp,
{
int err;
+ if (dsa_port_is_external(dp, ds))
+ return -EOPNOTSUPP;
+
/* If the requested port doesn't belong to the same bridge as the VLAN
* members, do not support it (yet) and fallback to software VLAN.
*/
@@ -1874,6 +1880,9 @@ void mv88e6xxx_port_vlan_add(struct dsa_switch *ds, struct dsa_port *dp,
bool pvid = vlan->flags & BRIDGE_VLAN_INFO_PVID;
u16 vid;
+ if (dsa_port_is_external(dp, ds))
+ return;
+
mutex_lock(&ps->smi_mutex);
for (vid = vlan->vid_begin; vid <= vlan->vid_end; ++vid)
@@ -1930,6 +1939,9 @@ int mv88e6xxx_port_vlan_del(struct dsa_switch *ds, struct dsa_port *dp,
u16 pvid, vid;
int err = 0;
+ if (dsa_port_is_external(dp, ds))
+ return -EOPNOTSUPP;
+
mutex_lock(&ps->smi_mutex);
err = _mv88e6xxx_port_pvid_get(ds, dp->port, &pvid);
diff --git a/net/dsa/dsa_priv.h b/net/dsa/dsa_priv.h
index e8765c3..d743d6a 100644
--- a/net/dsa/dsa_priv.h
+++ b/net/dsa/dsa_priv.h
@@ -60,6 +60,14 @@ int dsa_tree_port_fdb_del(struct dsa_switch_tree *dst, struct dsa_port *dp,
int dsa_tree_port_fdb_dump(struct dsa_switch_tree *dst, struct dsa_port *dp,
struct switchdev_obj_port_fdb *fdb,
switchdev_obj_dump_cb_t *cb);
+int dsa_tree_port_vlan_add(struct dsa_switch_tree *dst, struct dsa_port *dp,
+ const struct switchdev_obj_port_vlan *vlan,
+ struct switchdev_trans *trans);
+int dsa_tree_port_vlan_del(struct dsa_switch_tree *dst, struct dsa_port *dp,
+ const struct switchdev_obj_port_vlan *vlan);
+int dsa_tree_port_vlan_dump(struct dsa_switch_tree *dst, struct dsa_port *dp,
+ struct switchdev_obj_port_vlan *vlan,
+ switchdev_obj_dump_cb_t *cb);
/* slave.c */
extern const struct dsa_device_ops notag_netdev_ops;
diff --git a/net/dsa/slave.c b/net/dsa/slave.c
index 90bcf8a..19469dc 100644
--- a/net/dsa/slave.c
+++ b/net/dsa/slave.c
@@ -195,50 +195,6 @@ out:
return 0;
}
-static int dsa_slave_port_vlan_add(struct net_device *dev,
- const struct switchdev_obj_port_vlan *vlan,
- struct switchdev_trans *trans)
-{
- struct dsa_slave_priv *p = netdev_priv(dev);
- struct dsa_switch *ds = p->dp->ds;
-
- if (switchdev_trans_ph_prepare(trans)) {
- if (!ds->drv->port_vlan_prepare || !ds->drv->port_vlan_add)
- return -EOPNOTSUPP;
-
- return ds->drv->port_vlan_prepare(ds, p->dp, vlan, trans);
- }
-
- ds->drv->port_vlan_add(ds, p->dp, vlan, trans);
-
- return 0;
-}
-
-static int dsa_slave_port_vlan_del(struct net_device *dev,
- const struct switchdev_obj_port_vlan *vlan)
-{
- struct dsa_slave_priv *p = netdev_priv(dev);
- struct dsa_switch *ds = p->dp->ds;
-
- if (!ds->drv->port_vlan_del)
- return -EOPNOTSUPP;
-
- return ds->drv->port_vlan_del(ds, p->dp, vlan);
-}
-
-static int dsa_slave_port_vlan_dump(struct net_device *dev,
- struct switchdev_obj_port_vlan *vlan,
- switchdev_obj_dump_cb_t *cb)
-{
- struct dsa_slave_priv *p = netdev_priv(dev);
- struct dsa_switch *ds = p->dp->ds;
-
- if (ds->drv->port_vlan_dump)
- return ds->drv->port_vlan_dump(ds, p->dp, vlan, cb);
-
- return -EOPNOTSUPP;
-}
-
static int dsa_slave_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
{
struct dsa_slave_priv *p = netdev_priv(dev);
@@ -323,9 +279,9 @@ static int dsa_slave_port_obj_add(struct net_device *dev,
SWITCHDEV_OBJ_PORT_FDB(obj), trans);
break;
case SWITCHDEV_OBJ_ID_PORT_VLAN:
- err = dsa_slave_port_vlan_add(dev,
- SWITCHDEV_OBJ_PORT_VLAN(obj),
- trans);
+ err = dsa_tree_port_vlan_add(dst, dp,
+ SWITCHDEV_OBJ_PORT_VLAN(obj),
+ trans);
break;
default:
err = -EOPNOTSUPP;
@@ -349,8 +305,8 @@ static int dsa_slave_port_obj_del(struct net_device *dev,
SWITCHDEV_OBJ_PORT_FDB(obj));
break;
case SWITCHDEV_OBJ_ID_PORT_VLAN:
- err = dsa_slave_port_vlan_del(dev,
- SWITCHDEV_OBJ_PORT_VLAN(obj));
+ err = dsa_tree_port_vlan_del(dst, dp,
+ SWITCHDEV_OBJ_PORT_VLAN(obj));
break;
default:
err = -EOPNOTSUPP;
@@ -375,9 +331,8 @@ static int dsa_slave_port_obj_dump(struct net_device *dev,
SWITCHDEV_OBJ_PORT_FDB(obj), cb);
break;
case SWITCHDEV_OBJ_ID_PORT_VLAN:
- err = dsa_slave_port_vlan_dump(dev,
- SWITCHDEV_OBJ_PORT_VLAN(obj),
- cb);
+ err = dsa_tree_port_vlan_dump(dst, dp,
+ SWITCHDEV_OBJ_PORT_VLAN(obj), cb);
break;
default:
err = -EOPNOTSUPP;
diff --git a/net/dsa/tree.c b/net/dsa/tree.c
index 8394019..0ef103e 100644
--- a/net/dsa/tree.c
+++ b/net/dsa/tree.c
@@ -125,3 +125,63 @@ int dsa_tree_port_fdb_dump(struct dsa_switch_tree *dst, struct dsa_port *dp,
return 0;
}
+
+int dsa_tree_port_vlan_add(struct dsa_switch_tree *dst, struct dsa_port *dp,
+ const struct switchdev_obj_port_vlan *vlan,
+ struct switchdev_trans *trans)
+{
+ struct dsa_switch *ds;
+ int err;
+
+ dsa_tree_for_each_switch(dst, ds) {
+ if (switchdev_trans_ph_prepare(trans)) {
+ if (!ds->drv->port_vlan_prepare ||
+ !ds->drv->port_vlan_add)
+ return -EOPNOTSUPP;
+
+ err = ds->drv->port_vlan_prepare(ds, dp, vlan, trans);
+ if (err)
+ return err;
+ } else {
+ ds->drv->port_vlan_add(ds, dp, vlan, trans);
+ }
+ }
+
+ return 0;
+}
+
+int dsa_tree_port_vlan_del(struct dsa_switch_tree *dst, struct dsa_port *dp,
+ const struct switchdev_obj_port_vlan *vlan)
+{
+ struct dsa_switch *ds;
+ int err;
+
+ dsa_tree_for_each_switch(dst, ds) {
+ if (!ds->drv->port_vlan_del)
+ return -EOPNOTSUPP;
+
+ err = ds->drv->port_vlan_del(ds, dp, vlan);
+ if (err)
+ return err;
+ }
+
+ return 0;
+}
+
+int dsa_tree_port_vlan_dump(struct dsa_switch_tree *dst, struct dsa_port *dp,
+ struct switchdev_obj_port_vlan *vlan,
+ switchdev_obj_dump_cb_t *cb)
+{
+ struct dsa_switch *ds;
+ int err;
+
+ dsa_tree_for_each_switch(dst, ds) {
+ if (ds->drv->port_vlan_dump) {
+ err = ds->drv->port_vlan_dump(ds, dp, vlan, cb);
+ if (err && err != -EOPNOTSUPP)
+ return err;
+ }
+ }
+
+ return 0;
+}
--
2.8.0
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