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Commit f33475bd authored by Vivien Didelot's avatar Vivien Didelot Committed by David S. Miller
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net: dsa: mv88e6xxx: implement port_fdb_dump



Implement the port_fdb_dump DSA operation.

Signed-off-by: default avatarVivien Didelot <vivien.didelot@savoirfairelinux.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent b0e1a692
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+1 −0
Original line number Diff line number Diff line
@@ -123,6 +123,7 @@ struct dsa_switch_driver mv88e6171_switch_driver = {
	.port_fdb_add		= mv88e6xxx_port_fdb_add,
	.port_fdb_del		= mv88e6xxx_port_fdb_del,
	.port_fdb_getnext	= mv88e6xxx_port_fdb_getnext,
	.port_fdb_dump		= mv88e6xxx_port_fdb_dump,
};

MODULE_ALIAS("platform:mv88e6171");
+1 −0
Original line number Diff line number Diff line
@@ -350,6 +350,7 @@ struct dsa_switch_driver mv88e6352_switch_driver = {
	.port_fdb_add		= mv88e6xxx_port_fdb_add,
	.port_fdb_del		= mv88e6xxx_port_fdb_del,
	.port_fdb_getnext	= mv88e6xxx_port_fdb_getnext,
	.port_fdb_dump		= mv88e6xxx_port_fdb_dump,
};

MODULE_ALIAS("platform:mv88e6172");
+65 −0
Original line number Diff line number Diff line
@@ -1799,6 +1799,71 @@ static int _mv88e6xxx_atu_getnext(struct dsa_switch *ds, u16 fid,
	return 0;
}

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);

	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;

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

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

			if (addr.state == GLOBAL_ATU_DATA_STATE_UNUSED)
				break;

			if (!addr.trunk && addr.portv_trunkid & BIT(port)) {
				bool is_static = addr.state ==
					(is_multicast_ether_addr(addr.mac) ?
					 GLOBAL_ATU_DATA_STATE_MC_STATIC :
					 GLOBAL_ATU_DATA_STATE_UC_STATIC);

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

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

	} while (vlan.vid < GLOBAL_VTU_VID_MASK);

unlock:
	mutex_unlock(&ps->smi_mutex);

	return err;
}

/* get next entry for port */
int mv88e6xxx_port_fdb_getnext(struct dsa_switch *ds, int port,
			       unsigned char *addr, u16 *vid, bool *is_static)
+3 −0
Original line number Diff line number Diff line
@@ -476,6 +476,9 @@ int mv88e6xxx_port_fdb_del(struct dsa_switch *ds, int port,
			   const struct switchdev_obj_port_fdb *fdb);
int mv88e6xxx_port_fdb_getnext(struct dsa_switch *ds, int port,
			       unsigned char *addr, u16 *vid, bool *is_static);
int mv88e6xxx_port_fdb_dump(struct dsa_switch *ds, int port,
			    struct switchdev_obj_port_fdb *fdb,
			    int (*cb)(struct switchdev_obj *obj));
int mv88e6xxx_phy_page_read(struct dsa_switch *ds, int port, int page, int reg);
int mv88e6xxx_phy_page_write(struct dsa_switch *ds, int port, int page,
			     int reg, int val);