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Commit 74b6ba0d authored by Vivien Didelot's avatar Vivien Didelot Committed by David S. Miller
Browse files

net: dsa: mv88e6xxx: extract single FDB dump



Move out the code which dumps a single FDB to its own function.

Signed-off-by: default avatarVivien Didelot <vivien.didelot@savoirfairelinux.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 2fb5ef09
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+46 −33
Original line number Diff line number Diff line
@@ -1895,42 +1895,24 @@ static int _mv88e6xxx_atu_getnext(struct dsa_switch *ds, u16 fid,
	return 0;
}

int mv88e6xxx_port_fdb_dump(struct dsa_switch *ds, int port,
static int _mv88e6xxx_port_fdb_dump_one(struct dsa_switch *ds, u16 fid, u16 vid,
					int port,
					struct switchdev_obj_port_fdb *fdb,
					int (*cb)(struct switchdev_obj *obj))
{
	struct mv88e6xxx_priv_state *ps = ds_to_priv(ds);
	struct mv88e6xxx_vtu_stu_entry vlan = {
		.vid = GLOBAL_VTU_VID_MASK, /* all ones */
	};
	int err;

	mutex_lock(&ps->smi_mutex);

	err = _mv88e6xxx_vtu_vid_write(ds, vlan.vid);
	if (err)
		goto unlock;

	do {
	struct mv88e6xxx_atu_entry addr = {
		.mac = { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff },
	};

		err = _mv88e6xxx_vtu_getnext(ds, &vlan);
		if (err)
			goto unlock;

		if (!vlan.valid)
			break;
	int err;

	err = _mv88e6xxx_atu_mac_write(ds, addr.mac);
	if (err)
			goto unlock;
		return err;

	do {
			err = _mv88e6xxx_atu_getnext(ds, vlan.fid, &addr);
		err = _mv88e6xxx_atu_getnext(ds, fid, &addr);
		if (err)
				goto unlock;
			break;

		if (addr.state == GLOBAL_ATU_DATA_STATE_UNUSED)
			break;
@@ -1941,17 +1923,48 @@ int mv88e6xxx_port_fdb_dump(struct dsa_switch *ds, int port,
				 GLOBAL_ATU_DATA_STATE_MC_STATIC :
				 GLOBAL_ATU_DATA_STATE_UC_STATIC);

				fdb->vid = vlan.vid;
			fdb->vid = vid;
			ether_addr_copy(fdb->addr, addr.mac);
				fdb->ndm_state = is_static ? NUD_NOARP :
					NUD_REACHABLE;
			fdb->ndm_state = is_static ? NUD_NOARP : NUD_REACHABLE;

			err = cb(&fdb->obj);
			if (err)
					goto unlock;
				break;
		}
	} while (!is_broadcast_ether_addr(addr.mac));

	return err;
}

int mv88e6xxx_port_fdb_dump(struct dsa_switch *ds, int port,
			    struct switchdev_obj_port_fdb *fdb,
			    int (*cb)(struct switchdev_obj *obj))
{
	struct mv88e6xxx_priv_state *ps = ds_to_priv(ds);
	struct mv88e6xxx_vtu_stu_entry vlan = {
		.vid = GLOBAL_VTU_VID_MASK, /* all ones */
	};
	int err;

	mutex_lock(&ps->smi_mutex);

	/* Dump VLANs' Filtering Information Databases */
	err = _mv88e6xxx_vtu_vid_write(ds, vlan.vid);
	if (err)
		goto unlock;

	do {
		err = _mv88e6xxx_vtu_getnext(ds, &vlan);
		if (err)
			break;

		if (!vlan.valid)
			break;

		err = _mv88e6xxx_port_fdb_dump_one(ds, vlan.fid, vlan.vid, port,
						   fdb, cb);
		if (err)
			break;
	} while (vlan.vid < GLOBAL_VTU_VID_MASK);

unlock: