Thread (35 messages) 35 messages, 4 authors, 2017-07-12

[PATCH net-next RFC 09/12] net: dsa: Remove redundant MDB dump support

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STALE3385d SUPERSEDED

From: Arkadi Sharshevsky <hidden>
Date: 2017-07-05 15:33:32
Subsystem: marvell 88e6xxx ethernet switch fabric driver, microchip ksz series ethernet switch driver, networking drivers, networking [dsa], networking [general], the rest · Maintainers: Andrew Lunn, Woojung Huh, Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Vladimir Oltean, Linus Torvalds

Revision rfc of 3 in this series.

Revisions (3)
  1. rfc current
  2. v1 [diff vs current]
  3. v2 [diff vs current]
Currently the MDB HW database is synced with the bridge's one, thus,
There is no need to support special dump functionality.

Signed-off-by: Arkadi Sharshevsky <redacted>
---
 drivers/net/dsa/microchip/ksz_common.c |  9 ---------
 drivers/net/dsa/mv88e6xxx/chip.c       | 24 ------------------------
 include/net/dsa.h                      |  4 ----
 net/dsa/dsa_priv.h                     |  2 --
 net/dsa/port.c                         | 11 -----------
 net/dsa/slave.c                        |  3 ---
 6 files changed, 53 deletions(-)
diff --git a/drivers/net/dsa/microchip/ksz_common.c b/drivers/net/dsa/microchip/ksz_common.c
index a53ce59..4de9d90 100644
--- a/drivers/net/dsa/microchip/ksz_common.c
+++ b/drivers/net/dsa/microchip/ksz_common.c
@@ -1020,14 +1020,6 @@ static int ksz_port_mdb_del(struct dsa_switch *ds, int port,
 	return ret;
 }
 
-static int ksz_port_mdb_dump(struct dsa_switch *ds, int port,
-			     struct switchdev_obj_port_mdb *mdb,
-			     switchdev_obj_dump_cb_t *cb)
-{
-	/* this is not called by switch layer */
-	return 0;
-}
-
 static int ksz_port_mirror_add(struct dsa_switch *ds, int port,
 			       struct dsa_mall_mirror_tc_entry *mirror,
 			       bool ingress)
@@ -1090,7 +1082,6 @@ static const struct dsa_switch_ops ksz_switch_ops = {
 	.port_mdb_prepare       = ksz_port_mdb_prepare,
 	.port_mdb_add           = ksz_port_mdb_add,
 	.port_mdb_del           = ksz_port_mdb_del,
-	.port_mdb_dump          = ksz_port_mdb_dump,
 	.port_mirror_add	= ksz_port_mirror_add,
 	.port_mirror_del	= ksz_port_mirror_del,
 };
diff --git a/drivers/net/dsa/mv88e6xxx/chip.c b/drivers/net/dsa/mv88e6xxx/chip.c
index 9cc6269..97b77b9 100644
--- a/drivers/net/dsa/mv88e6xxx/chip.c
+++ b/drivers/net/dsa/mv88e6xxx/chip.c
@@ -1443,15 +1443,6 @@ static int mv88e6xxx_port_db_dump_fid(struct mv88e6xxx_chip *chip,
 				fdb->ndm_state = NUD_NOARP;
 			else
 				fdb->ndm_state = NUD_REACHABLE;
-		} else if (obj->id == SWITCHDEV_OBJ_ID_PORT_MDB) {
-			struct switchdev_obj_port_mdb *mdb;
-
-			if (!is_multicast_ether_addr(addr.mac))
-				continue;
-
-			mdb = SWITCHDEV_OBJ_PORT_MDB(obj);
-			mdb->vid = vid;
-			ether_addr_copy(mdb->addr, addr.mac);
 		} else {
 			return -EOPNOTSUPP;
 		}
@@ -3762,20 +3753,6 @@ static int mv88e6xxx_port_mdb_del(struct dsa_switch *ds, int port,
 	return err;
 }
 
-static int mv88e6xxx_port_mdb_dump(struct dsa_switch *ds, int port,
-				   struct switchdev_obj_port_mdb *mdb,
-				   switchdev_obj_dump_cb_t *cb)
-{
-	struct mv88e6xxx_chip *chip = ds->priv;
-	int err;
-
-	mutex_lock(&chip->reg_lock);
-	err = mv88e6xxx_port_db_dump(chip, port, &mdb->obj, cb);
-	mutex_unlock(&chip->reg_lock);
-
-	return err;
-}
-
 static const struct dsa_switch_ops mv88e6xxx_switch_ops = {
 	.probe			= mv88e6xxx_drv_probe,
 	.get_tag_protocol	= mv88e6xxx_get_tag_protocol,
@@ -3809,7 +3786,6 @@ static const struct dsa_switch_ops mv88e6xxx_switch_ops = {
 	.port_mdb_prepare       = mv88e6xxx_port_mdb_prepare,
 	.port_mdb_add           = mv88e6xxx_port_mdb_add,
 	.port_mdb_del           = mv88e6xxx_port_mdb_del,
-	.port_mdb_dump          = mv88e6xxx_port_mdb_dump,
 	.crosschip_bridge_join	= mv88e6xxx_crosschip_bridge_join,
 	.crosschip_bridge_leave	= mv88e6xxx_crosschip_bridge_leave,
 };
diff --git a/include/net/dsa.h b/include/net/dsa.h
index 9171b11..2d85ad2 100644
--- a/include/net/dsa.h
+++ b/include/net/dsa.h
@@ -406,10 +406,6 @@ struct dsa_switch_ops {
 				struct switchdev_trans *trans);
 	int	(*port_mdb_del)(struct dsa_switch *ds, int port,
 				const struct switchdev_obj_port_mdb *mdb);
-	int	(*port_mdb_dump)(struct dsa_switch *ds, int port,
-				 struct switchdev_obj_port_mdb *mdb,
-				  switchdev_obj_dump_cb_t *cb);
-
 	/*
 	 * RXNFC
 	 */
diff --git a/net/dsa/dsa_priv.h b/net/dsa/dsa_priv.h
index 421df4f..85f53a0 100644
--- a/net/dsa/dsa_priv.h
+++ b/net/dsa/dsa_priv.h
@@ -131,8 +131,6 @@ int dsa_port_mdb_add(struct dsa_port *dp,
 		     struct switchdev_trans *trans);
 int dsa_port_mdb_del(struct dsa_port *dp,
 		     const struct switchdev_obj_port_mdb *mdb);
-int dsa_port_mdb_dump(struct dsa_port *dp, struct switchdev_obj_port_mdb *mdb,
-		      switchdev_obj_dump_cb_t *cb);
 int dsa_port_vlan_add(struct dsa_port *dp,
 		      const struct switchdev_obj_port_vlan *vlan,
 		      struct switchdev_trans *trans);
diff --git a/net/dsa/port.c b/net/dsa/port.c
index ce19216..7378782 100644
--- a/net/dsa/port.c
+++ b/net/dsa/port.c
@@ -210,17 +210,6 @@ int dsa_port_mdb_del(struct dsa_port *dp,
 	return dsa_port_notify(dp, DSA_NOTIFIER_MDB_DEL, &info);
 }
 
-int dsa_port_mdb_dump(struct dsa_port *dp, struct switchdev_obj_port_mdb *mdb,
-		      switchdev_obj_dump_cb_t *cb)
-{
-	struct dsa_switch *ds = dp->ds;
-
-	if (ds->ops->port_mdb_dump)
-		return ds->ops->port_mdb_dump(ds, dp->index, mdb, cb);
-
-	return -EOPNOTSUPP;
-}
-
 int dsa_port_vlan_add(struct dsa_port *dp,
 		      const struct switchdev_obj_port_vlan *vlan,
 		      struct switchdev_trans *trans)
diff --git a/net/dsa/slave.c b/net/dsa/slave.c
index 7393b36..acbc0f2 100644
--- a/net/dsa/slave.c
+++ b/net/dsa/slave.c
@@ -299,9 +299,6 @@ static int dsa_slave_port_obj_dump(struct net_device *dev,
 	case SWITCHDEV_OBJ_ID_PORT_FDB:
 		err = dsa_port_fdb_dump(dp, SWITCHDEV_OBJ_PORT_FDB(obj), cb);
 		break;
-	case SWITCHDEV_OBJ_ID_PORT_MDB:
-		err = dsa_port_mdb_dump(dp, SWITCHDEV_OBJ_PORT_MDB(obj), cb);
-		break;
 	default:
 		err = -EOPNOTSUPP;
 		break;
-- 
2.4.11
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