net: dsa: Remove support for vlan dump from DSA's drivers

This is done as a preparation before removing support for vlan dump from
DSA core. The vlans are synced with the bridge and thus there is no
need for special dump operation support.

Signed-off-by: Arkadi Sharshevsky <[email protected]>
Reviewed-by: Florian Fainelli <[email protected]>
Signed-off-by: David S. Miller <[email protected]>

Author: Arkadi Sharshevsky

drivers/net/dsa/b53/b53_common.c

@@ -1053,49 +1053,6 @@ int b53_vlan_del(struct dsa_switch *ds, int port,
 }
 EXPORT_SYMBOL(b53_vlan_del);
 
-int b53_vlan_dump(struct dsa_switch *ds, int port,
-		  struct switchdev_obj_port_vlan *vlan,
-		  switchdev_obj_dump_cb_t *cb)
-{
-	struct b53_device *dev = ds->priv;
-	u16 vid, vid_start = 0, pvid;
-	struct b53_vlan *vl;
-	int err = 0;
-
-	if (is5325(dev) || is5365(dev))
-		vid_start = 1;
-
-	b53_read16(dev, B53_VLAN_PAGE, B53_VLAN_PORT_DEF_TAG(port), &pvid);
-
-	/* Use our software cache for dumps, since we do not have any HW
-	 * operation returning only the used/valid VLANs
-	 */
-	for (vid = vid_start; vid < dev->num_vlans; vid++) {
-		vl = &dev->vlans[vid];
-
-		if (!vl->valid)
-			continue;
-
-		if (!(vl->members & BIT(port)))
-			continue;
-
-		vlan->vid_begin = vlan->vid_end = vid;
-		vlan->flags = 0;
-
-		if (vl->untag & BIT(port))
-			vlan->flags |= BRIDGE_VLAN_INFO_UNTAGGED;
-		if (pvid == vid)
-			vlan->flags |= BRIDGE_VLAN_INFO_PVID;
-
-		err = cb(&vlan->obj);
-		if (err)
-			break;
-	}
-
-	return err;
-}
-EXPORT_SYMBOL(b53_vlan_dump);
-
 /* Address Resolution Logic routines */
 static int b53_arl_op_wait(struct b53_device *dev)
 {
@@ -1552,7 +1509,6 @@ static const struct dsa_switch_ops b53_switch_ops = {
 	.port_vlan_prepare	= b53_vlan_prepare,
 	.port_vlan_add		= b53_vlan_add,
 	.port_vlan_del		= b53_vlan_del,
-	.port_vlan_dump		= b53_vlan_dump,
 	.port_fdb_dump		= b53_fdb_dump,
 	.port_fdb_add		= b53_fdb_add,
 	.port_fdb_del		= b53_fdb_del,

drivers/net/dsa/b53/b53_priv.h

@@ -393,9 +393,6 @@ void b53_vlan_add(struct dsa_switch *ds, int port,
 		  struct switchdev_trans *trans);
 int b53_vlan_del(struct dsa_switch *ds, int port,
 		 const struct switchdev_obj_port_vlan *vlan);
-int b53_vlan_dump(struct dsa_switch *ds, int port,
-		  struct switchdev_obj_port_vlan *vlan,
-		  switchdev_obj_dump_cb_t *cb);
 int b53_fdb_add(struct dsa_switch *ds, int port,
 		const unsigned char *addr, u16 vid);
 int b53_fdb_del(struct dsa_switch *ds, int port,

drivers/net/dsa/bcm_sf2.c

@@ -1021,7 +1021,6 @@ static const struct dsa_switch_ops bcm_sf2_ops = {
 	.port_vlan_prepare	= b53_vlan_prepare,
 	.port_vlan_add		= b53_vlan_add,
 	.port_vlan_del		= b53_vlan_del,
-	.port_vlan_dump		= b53_vlan_dump,
 	.port_fdb_dump		= b53_fdb_dump,
 	.port_fdb_add		= b53_fdb_add,
 	.port_fdb_del		= b53_fdb_del,

drivers/net/dsa/dsa_loop.c

@@ -257,43 +257,6 @@ static int dsa_loop_port_vlan_del(struct dsa_switch *ds, int port,
 	return 0;
 }
 
-static int dsa_loop_port_vlan_dump(struct dsa_switch *ds, int port,
-				   struct switchdev_obj_port_vlan *vlan,
-				   switchdev_obj_dump_cb_t *cb)
-{
-	struct dsa_loop_priv *ps = ds->priv;
-	struct mii_bus *bus = ps->bus;
-	struct dsa_loop_vlan *vl;
-	u16 vid, vid_start = 0;
-	int err = 0;
-
-	dev_dbg(ds->dev, "%s\n", __func__);
-
-	/* Just do a sleeping operation to make lockdep checks effective */
-	mdiobus_read(bus, ps->port_base + port, MII_BMSR);
-
-	for (vid = vid_start; vid < DSA_LOOP_VLANS; vid++) {
-		vl = &ps->vlans[vid];
-
-		if (!(vl->members & BIT(port)))
-			continue;
-
-		vlan->vid_begin = vlan->vid_end = vid;
-		vlan->flags = 0;
-
-		if (vl->untagged & BIT(port))
-			vlan->flags |= BRIDGE_VLAN_INFO_UNTAGGED;
-		if (ps->pvid == vid)
-			vlan->flags |= BRIDGE_VLAN_INFO_PVID;
-
-		err = cb(&vlan->obj);
-		if (err)
-			break;
-	}
-
-	return err;
-}
-
 static struct dsa_switch_ops dsa_loop_driver = {
 	.get_tag_protocol	= dsa_loop_get_protocol,
 	.setup			= dsa_loop_setup,
@@ -310,7 +273,6 @@ static struct dsa_switch_ops dsa_loop_driver = {
 	.port_vlan_prepare	= dsa_loop_port_vlan_prepare,
 	.port_vlan_add		= dsa_loop_port_vlan_add,
 	.port_vlan_del		= dsa_loop_port_vlan_del,
-	.port_vlan_dump		= dsa_loop_port_vlan_dump,
 };
 
 static int dsa_loop_drv_probe(struct mdio_device *mdiodev)

drivers/net/dsa/microchip/ksz_common.c

@@ -638,46 +638,6 @@ static int ksz_port_vlan_del(struct dsa_switch *ds, int port,
 	return 0;
 }
 
-static int ksz_port_vlan_dump(struct dsa_switch *ds, int port,
-			      struct switchdev_obj_port_vlan *vlan,
-			      switchdev_obj_dump_cb_t *cb)
-{
-	struct ksz_device *dev = ds->priv;
-	u16 vid;
-	u16 data;
-	struct vlan_table *vlan_cache;
-	int err = 0;
-
-	mutex_lock(&dev->vlan_mutex);
-
-	/* use dev->vlan_cache due to lack of searching valid vlan entry */
-	for (vid = vlan->vid_begin; vid < dev->num_vlans; vid++) {
-		vlan_cache = &dev->vlan_cache[vid];
-
-		if (!(vlan_cache->table[0] & VLAN_VALID))
-			continue;
-
-		vlan->vid_begin = vid;
-		vlan->vid_end = vid;
-		vlan->flags = 0;
-		if (vlan_cache->table[2] & BIT(port)) {
-			if (vlan_cache->table[1] & BIT(port))
-				vlan->flags |= BRIDGE_VLAN_INFO_UNTAGGED;
-			ksz_pread16(dev, port, REG_PORT_DEFAULT_VID, &data);
-			if (vid == (data & 0xFFFFF))
-				vlan->flags |= BRIDGE_VLAN_INFO_PVID;
-
-			err = cb(&vlan->obj);
-			if (err)
-				break;
-		}
-	}
-
-	mutex_unlock(&dev->vlan_mutex);
-
-	return err;
-}
-
 struct alu_struct {
 	/* entry 1 */
 	u8	is_static:1;
@@ -1124,7 +1084,6 @@ static const struct dsa_switch_ops ksz_switch_ops = {
 	.port_vlan_prepare	= ksz_port_vlan_prepare,
 	.port_vlan_add		= ksz_port_vlan_add,
 	.port_vlan_del		= ksz_port_vlan_del,
-	.port_vlan_dump		= ksz_port_vlan_dump,
 	.port_fdb_dump		= ksz_port_fdb_dump,
 	.port_fdb_add		= ksz_port_fdb_add,
 	.port_fdb_del		= ksz_port_fdb_del,

drivers/net/dsa/mv88e6xxx/chip.c

@@ -1011,61 +1011,6 @@ static int mv88e6xxx_vtu_loadpurge(struct mv88e6xxx_chip *chip,
 	return chip->info->ops->vtu_loadpurge(chip, entry);
 }
 
-static int mv88e6xxx_port_vlan_dump(struct dsa_switch *ds, int port,
-				    struct switchdev_obj_port_vlan *vlan,
-				    switchdev_obj_dump_cb_t *cb)
-{
-	struct mv88e6xxx_chip *chip = ds->priv;
-	struct mv88e6xxx_vtu_entry next = {
-		.vid = chip->info->max_vid,
-	};
-	u16 pvid;
-	int err;
-
-	if (!chip->info->max_vid)
-		return -EOPNOTSUPP;
-
-	mutex_lock(&chip->reg_lock);
-
-	err = mv88e6xxx_port_get_pvid(chip, port, &pvid);
-	if (err)
-		goto unlock;
-
-	do {
-		err = mv88e6xxx_vtu_getnext(chip, &next);
-		if (err)
-			break;
-
-		if (!next.valid)
-			break;
-
-		if (next.member[port] ==
-		    MV88E6XXX_G1_VTU_DATA_MEMBER_TAG_NON_MEMBER)
-			continue;
-
-		/* reinit and dump this VLAN obj */
-		vlan->vid_begin = next.vid;
-		vlan->vid_end = next.vid;
-		vlan->flags = 0;
-
-		if (next.member[port] ==
-		    MV88E6XXX_G1_VTU_DATA_MEMBER_TAG_UNTAGGED)
-			vlan->flags |= BRIDGE_VLAN_INFO_UNTAGGED;
-
-		if (next.vid == pvid)
-			vlan->flags |= BRIDGE_VLAN_INFO_PVID;
-
-		err = cb(&vlan->obj);
-		if (err)
-			break;
-	} while (next.vid < chip->info->max_vid);
-
-unlock:
-	mutex_unlock(&chip->reg_lock);
-
-	return err;
-}
-
 static int mv88e6xxx_atu_new(struct mv88e6xxx_chip *chip, u16 *fid)
 {
 	DECLARE_BITMAP(fid_bitmap, MV88E6XXX_N_FID);
@@ -3896,7 +3841,6 @@ static const struct dsa_switch_ops mv88e6xxx_switch_ops = {
 	.port_vlan_prepare	= mv88e6xxx_port_vlan_prepare,
 	.port_vlan_add		= mv88e6xxx_port_vlan_add,
 	.port_vlan_del		= mv88e6xxx_port_vlan_del,
-	.port_vlan_dump		= mv88e6xxx_port_vlan_dump,
 	.port_fdb_add           = mv88e6xxx_port_fdb_add,
 	.port_fdb_del           = mv88e6xxx_port_fdb_del,
 	.port_fdb_dump          = mv88e6xxx_port_fdb_dump,