70 	dev_dbg(ds->dev, "%s: port: %d\n", __func__, port);  in dsa_loop_get_protocol()
77 	struct dsa_loop_priv *ps = ds->priv;  in dsa_loop_setup()  local
80 	for (i = 0; i < ds->num_ports; i++)  in dsa_loop_setup()
81 		memcpy(ps->ports[i].mib, dsa_loop_mibs,  in dsa_loop_setup()
84 	dev_dbg(ds->dev, "%s\n", __func__);  in dsa_loop_setup()
100 	struct dsa_loop_priv *ps = ds->priv;  in dsa_loop_get_strings()  local
108 		       ps->ports[port].mib[i].name, ETH_GSTRING_LEN);  in dsa_loop_get_strings()
114 	struct dsa_loop_priv *ps = ds->priv;  in dsa_loop_get_ethtool_stats()  local
118 		data[i] = ps->ports[port].mib[i].val;  in dsa_loop_get_ethtool_stats()
123 	struct dsa_loop_priv *ps = ds->priv;  in dsa_loop_phy_read()  local
124 	struct mii_bus *bus = ps->bus;  in dsa_loop_phy_read()
127 	ret = mdiobus_read_nested(bus, ps->port_base + port, regnum);  in dsa_loop_phy_read()
129 		ps->ports[port].mib[DSA_LOOP_PHY_READ_ERR].val++;  in dsa_loop_phy_read()
131 		ps->ports[port].mib[DSA_LOOP_PHY_READ_OK].val++;  in dsa_loop_phy_read()
139 	struct dsa_loop_priv *ps = ds->priv;  in dsa_loop_phy_write()  local
140 	struct mii_bus *bus = ps->bus;  in dsa_loop_phy_write()
143 	ret = mdiobus_write_nested(bus, ps->port_base + port, regnum, value);  in dsa_loop_phy_write()
145 		ps->ports[port].mib[DSA_LOOP_PHY_WRITE_ERR].val++;  in dsa_loop_phy_write()
147 		ps->ports[port].mib[DSA_LOOP_PHY_WRITE_OK].val++;  in dsa_loop_phy_write()
155 	dev_dbg(ds->dev, "%s: port: %d, bridge: %s\n",  in dsa_loop_port_bridge_join()
156 		__func__, port, bridge->name);  in dsa_loop_port_bridge_join()
164 	dev_dbg(ds->dev, "%s: port: %d, bridge: %s\n",  in dsa_loop_port_bridge_leave()
165 		__func__, port, bridge->name);  in dsa_loop_port_bridge_leave()
171 	dev_dbg(ds->dev, "%s: port: %d, state: %d\n",  in dsa_loop_port_stp_state_set()
178 	dev_dbg(ds->dev, "%s: port: %d, vlan_filtering: %d\n",  in dsa_loop_port_vlan_filtering()
188 	struct dsa_loop_priv *ps = ds->priv;  in dsa_loop_port_vlan_prepare()  local
189 	struct mii_bus *bus = ps->bus;  in dsa_loop_port_vlan_prepare()
191 	dev_dbg(ds->dev, "%s: port: %d, vlan: %d-%d",  in dsa_loop_port_vlan_prepare()
192 		__func__, port, vlan->vid_begin, vlan->vid_end);  in dsa_loop_port_vlan_prepare()
195 	mdiobus_read(bus, ps->port_base + port, MII_BMSR);  in dsa_loop_port_vlan_prepare()
197 	if (vlan->vid_end > DSA_LOOP_VLANS)  in dsa_loop_port_vlan_prepare()
198 		return -ERANGE;  in dsa_loop_port_vlan_prepare()
206 	bool untagged = vlan->flags & BRIDGE_VLAN_INFO_UNTAGGED;  in dsa_loop_port_vlan_add()
207 	bool pvid = vlan->flags & BRIDGE_VLAN_INFO_PVID;  in dsa_loop_port_vlan_add()
208 	struct dsa_loop_priv *ps = ds->priv;  in dsa_loop_port_vlan_add()  local
209 	struct mii_bus *bus = ps->bus;  in dsa_loop_port_vlan_add()
214 	mdiobus_read(bus, ps->port_base + port, MII_BMSR);  in dsa_loop_port_vlan_add()
216 	for (vid = vlan->vid_begin; vid <= vlan->vid_end; ++vid) {  in dsa_loop_port_vlan_add()
217 		vl = &ps->vlans[vid];  in dsa_loop_port_vlan_add()
219 		vl->members |= BIT(port);  in dsa_loop_port_vlan_add()
221 			vl->untagged |= BIT(port);  in dsa_loop_port_vlan_add()
223 			vl->untagged &= ~BIT(port);  in dsa_loop_port_vlan_add()
225 		dev_dbg(ds->dev, "%s: port: %d vlan: %d, %stagged, pvid: %d\n",  in dsa_loop_port_vlan_add()
230 		ps->pvid = vid;  in dsa_loop_port_vlan_add()
236 	bool untagged = vlan->flags & BRIDGE_VLAN_INFO_UNTAGGED;  in dsa_loop_port_vlan_del()
237 	struct dsa_loop_priv *ps = ds->priv;  in dsa_loop_port_vlan_del()  local
238 	struct mii_bus *bus = ps->bus;  in dsa_loop_port_vlan_del()
240 	u16 vid, pvid = ps->pvid;  in dsa_loop_port_vlan_del()
243 	mdiobus_read(bus, ps->port_base + port, MII_BMSR);  in dsa_loop_port_vlan_del()
245 	for (vid = vlan->vid_begin; vid <= vlan->vid_end; ++vid) {  in dsa_loop_port_vlan_del()
246 		vl = &ps->vlans[vid];  in dsa_loop_port_vlan_del()
248 		vl->members &= ~BIT(port);  in dsa_loop_port_vlan_del()
250 			vl->untagged &= ~BIT(port);  in dsa_loop_port_vlan_del()
255 		dev_dbg(ds->dev, "%s: port: %d vlan: %d, %stagged, pvid: %d\n",  in dsa_loop_port_vlan_del()
258 	ps->pvid = pvid;  in dsa_loop_port_vlan_del()
283 	struct dsa_loop_pdata *pdata = mdiodev->dev.platform_data;  in dsa_loop_drv_probe()
284 	struct dsa_loop_priv *ps;  in dsa_loop_drv_probe()  local
288 		return -ENODEV;  in dsa_loop_drv_probe()
290 	dev_info(&mdiodev->dev, "%s: 0x%0x\n",  in dsa_loop_drv_probe()
291 		 pdata->name, pdata->enabled_ports);  in dsa_loop_drv_probe()
293 	ds = dsa_switch_alloc(&mdiodev->dev, DSA_MAX_PORTS);  in dsa_loop_drv_probe()
295 		return -ENOMEM;  in dsa_loop_drv_probe()
297 	ps = devm_kzalloc(&mdiodev->dev, sizeof(*ps), GFP_KERNEL);  in dsa_loop_drv_probe()
298 	if (!ps)  in dsa_loop_drv_probe()
299 		return -ENOMEM;  in dsa_loop_drv_probe()
301 	ps->netdev = dev_get_by_name(&init_net, pdata->netdev);  in dsa_loop_drv_probe()
302 	if (!ps->netdev)  in dsa_loop_drv_probe()
303 		return -EPROBE_DEFER;  in dsa_loop_drv_probe()
305 	pdata->cd.netdev[DSA_LOOP_CPU_PORT] = &ps->netdev->dev;  in dsa_loop_drv_probe()
307 	ds->dev = &mdiodev->dev;  in dsa_loop_drv_probe()
308 	ds->ops = &dsa_loop_driver;  in dsa_loop_drv_probe()
309 	ds->priv = ps;  in dsa_loop_drv_probe()
310 	ps->bus = mdiodev->bus;  in dsa_loop_drv_probe()
312 	dev_set_drvdata(&mdiodev->dev, ds);  in dsa_loop_drv_probe()
319 	struct dsa_switch *ds = dev_get_drvdata(&mdiodev->dev);  in dsa_loop_drv_remove()
320 	struct dsa_loop_priv *ps = ds->priv;  in dsa_loop_drv_remove()  local
323 	dev_put(ps->netdev);  in dsa_loop_drv_remove()
328 		.name	= "dsa-loop",
334 #define NUM_FIXED_PHYS	(DSA_LOOP_NUM_PORTS - 2)
340 		.speed = SPEED_100,  in dsa_loop_init()
346 		phydevs[i] = fixed_phy_register(PHY_POLL, &status, -1, NULL);  in dsa_loop_init()