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net: mscc: ocelot: transmit the "native VLAN" error via extack 

We need to reject some more configurations in future patches, convert
the existing one to netlink extack.

Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Vladimir Oltean 2021-08-19 20:40:06 +03:00 committed by David S. Miller
parent f2aea90d0b
commit 01af940e9b
4 changed files with 25 additions and 22 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

8
drivers/net/dsa/ocelot/felix.c
View File

@ -742,7 +742,8 @@ static int felix_lag_change(struct dsa_switch *ds, int port)
}
static int felix_vlan_prepare(struct dsa_switch *ds, int port,
const struct switchdev_obj_port_vlan *vlan)
const struct switchdev_obj_port_vlan *vlan,
struct netlink_ext_ack *extack)
{
struct ocelot *ocelot = ds->priv;
u16 flags = vlan->flags;
@ -760,7 +761,8 @@ static int felix_vlan_prepare(struct dsa_switch *ds, int port,
return ocelot_vlan_prepare(ocelot, port, vlan->vid,
flags & BRIDGE_VLAN_INFO_PVID,
flags & BRIDGE_VLAN_INFO_UNTAGGED);
flags & BRIDGE_VLAN_INFO_UNTAGGED,
extack);
}
static int felix_vlan_filtering(struct dsa_switch *ds, int port, bool enabled,
@ -779,7 +781,7 @@ static int felix_vlan_add(struct dsa_switch *ds, int port,
u16 flags = vlan->flags;
int err;
err = felix_vlan_prepare(ds, port, vlan);
err = felix_vlan_prepare(ds, port, vlan, extack);
if (err)
return err;

7
drivers/net/ethernet/mscc/ocelot.c
View File

@ -259,16 +259,15 @@ int ocelot_port_vlan_filtering(struct ocelot *ocelot, int port,
EXPORT_SYMBOL(ocelot_port_vlan_filtering);
int ocelot_vlan_prepare(struct ocelot *ocelot, int port, u16 vid, bool pvid,
bool untagged)
bool untagged, struct netlink_ext_ack *extack)
{
struct ocelot_port *ocelot_port = ocelot->ports[port];
/* Deny changing the native VLAN, but always permit deleting it */
if (untagged && ocelot_port->native_vlan.vid != vid &&
ocelot_port->native_vlan.valid) {
dev_err(ocelot->dev,
"Port already has a native VLAN: %d\n",
ocelot_port->native_vlan.vid);
NL_SET_ERR_MSG_MOD(extack,
"Port already has a native VLAN");
return -EBUSY;
}

30
drivers/net/ethernet/mscc/ocelot_net.c
View File

@ -386,17 +386,6 @@ static int ocelot_setup_tc(struct net_device *dev, enum tc_setup_type type,
return 0;
}
static int ocelot_vlan_vid_prepare(struct net_device *dev, u16 vid, bool pvid,
bool untagged)
{
struct ocelot_port_private *priv = netdev_priv(dev);
struct ocelot_port *ocelot_port = &priv->port;
struct ocelot *ocelot = ocelot_port->ocelot;
int port = priv->chip_port;
return ocelot_vlan_prepare(ocelot, port, vid, pvid, untagged);
}
static int ocelot_vlan_vid_add(struct net_device *dev, u16 vid, bool pvid,
bool untagged)
{
@ -944,14 +933,26 @@ static int ocelot_port_attr_set(struct net_device *dev, const void *ctx,
return err;
}
static int ocelot_vlan_vid_prepare(struct net_device *dev, u16 vid, bool pvid,
bool untagged, struct netlink_ext_ack *extack)
{
struct ocelot_port_private *priv = netdev_priv(dev);
struct ocelot_port *ocelot_port = &priv->port;
struct ocelot *ocelot = ocelot_port->ocelot;
int port = priv->chip_port;
return ocelot_vlan_prepare(ocelot, port, vid, pvid, untagged, extack);
}
static int ocelot_port_obj_add_vlan(struct net_device *dev,
const struct switchdev_obj_port_vlan *vlan)
const struct switchdev_obj_port_vlan *vlan,
struct netlink_ext_ack *extack)
{
bool untagged = vlan->flags & BRIDGE_VLAN_INFO_UNTAGGED;
bool pvid = vlan->flags & BRIDGE_VLAN_INFO_PVID;
int ret;
ret = ocelot_vlan_vid_prepare(dev, vlan->vid, pvid, untagged);
ret = ocelot_vlan_vid_prepare(dev, vlan->vid, pvid, untagged, extack);
if (ret)
return ret;
@ -1039,7 +1040,8 @@ static int ocelot_port_obj_add(struct net_device *dev, const void *ctx,
switch (obj->id) {
case SWITCHDEV_OBJ_ID_PORT_VLAN:
ret = ocelot_port_obj_add_vlan(dev,
SWITCHDEV_OBJ_PORT_VLAN(obj));
SWITCHDEV_OBJ_PORT_VLAN(obj),
extack);
break;
case SWITCHDEV_OBJ_ID_PORT_MDB:
ret = ocelot_port_obj_add_mdb(dev, SWITCHDEV_OBJ_PORT_MDB(obj));

2
include/soc/mscc/ocelot.h
View File

@ -825,7 +825,7 @@ int ocelot_fdb_add(struct ocelot *ocelot, int port,
int ocelot_fdb_del(struct ocelot *ocelot, int port,
const unsigned char *addr, u16 vid);
int ocelot_vlan_prepare(struct ocelot *ocelot, int port, u16 vid, bool pvid,
bool untagged);
bool untagged, struct netlink_ext_ack *extack);
int ocelot_vlan_add(struct ocelot *ocelot, int port, u16 vid, bool pvid,
bool untagged);
int ocelot_vlan_del(struct ocelot *ocelot, int port, u16 vid);