1f3cad261SSteen Hegelund // SPDX-License-Identifier: GPL-2.0+
2f3cad261SSteen Hegelund /* Microchip Sparx5 Switch driver
3f3cad261SSteen Hegelund *
4f3cad261SSteen Hegelund * Copyright (c) 2021 Microchip Technology Inc. and its subsidiaries.
5f3cad261SSteen Hegelund */
6f3cad261SSteen Hegelund
7f3cad261SSteen Hegelund #include "sparx5_main_regs.h"
8f3cad261SSteen Hegelund #include "sparx5_main.h"
9946e7fd5SSteen Hegelund #include "sparx5_port.h"
1065ec1bbeSDaniel Machon #include "sparx5_tc.h"
11f3cad261SSteen Hegelund
12f3cad261SSteen Hegelund /* The IFH bit position of the first VSTAX bit. This is because the
13f3cad261SSteen Hegelund * VSTAX bit positions in Data sheet is starting from zero.
14f3cad261SSteen Hegelund */
15f3cad261SSteen Hegelund #define VSTAX 73
16f3cad261SSteen Hegelund
176387f65eSJakub Kicinski #define ifh_encode_bitfield(ifh, value, pos, _width) \
186387f65eSJakub Kicinski ({ \
196387f65eSJakub Kicinski u32 width = (_width); \
206387f65eSJakub Kicinski \
216387f65eSJakub Kicinski /* Max width is 5 bytes - 40 bits. In worst case this will
226387f65eSJakub Kicinski * spread over 6 bytes - 48 bits
236387f65eSJakub Kicinski */ \
246387f65eSJakub Kicinski compiletime_assert(width <= 40, \
256387f65eSJakub Kicinski "Unsupported width, must be <= 40"); \
266387f65eSJakub Kicinski __ifh_encode_bitfield((ifh), (value), (pos), width); \
276387f65eSJakub Kicinski })
286387f65eSJakub Kicinski
__ifh_encode_bitfield(void * ifh,u64 value,u32 pos,u32 width)296387f65eSJakub Kicinski static void __ifh_encode_bitfield(void *ifh, u64 value, u32 pos, u32 width)
30f3cad261SSteen Hegelund {
31f3cad261SSteen Hegelund u8 *ifh_hdr = ifh;
32f3cad261SSteen Hegelund /* Calculate the Start IFH byte position of this IFH bit position */
33f3cad261SSteen Hegelund u32 byte = (35 - (pos / 8));
34f3cad261SSteen Hegelund /* Calculate the Start bit position in the Start IFH byte */
35f3cad261SSteen Hegelund u32 bit = (pos % 8);
36f41e57afSArnd Bergmann u64 encode = GENMASK_ULL(bit + width - 1, bit) & (value << bit);
37f3cad261SSteen Hegelund
38f3cad261SSteen Hegelund /* The b0-b7 goes into the start IFH byte */
39f3cad261SSteen Hegelund if (encode & 0xFF)
40f3cad261SSteen Hegelund ifh_hdr[byte] |= (u8)((encode & 0xFF));
41f3cad261SSteen Hegelund /* The b8-b15 goes into the next IFH byte */
42f3cad261SSteen Hegelund if (encode & 0xFF00)
43f3cad261SSteen Hegelund ifh_hdr[byte - 1] |= (u8)((encode & 0xFF00) >> 8);
44f3cad261SSteen Hegelund /* The b16-b23 goes into the next IFH byte */
45f3cad261SSteen Hegelund if (encode & 0xFF0000)
46f3cad261SSteen Hegelund ifh_hdr[byte - 2] |= (u8)((encode & 0xFF0000) >> 16);
47f3cad261SSteen Hegelund /* The b24-b31 goes into the next IFH byte */
48f3cad261SSteen Hegelund if (encode & 0xFF000000)
49f3cad261SSteen Hegelund ifh_hdr[byte - 3] |= (u8)((encode & 0xFF000000) >> 24);
50f3cad261SSteen Hegelund /* The b32-b39 goes into the next IFH byte */
51f3cad261SSteen Hegelund if (encode & 0xFF00000000)
52f3cad261SSteen Hegelund ifh_hdr[byte - 4] |= (u8)((encode & 0xFF00000000) >> 32);
53f3cad261SSteen Hegelund /* The b40-b47 goes into the next IFH byte */
54f3cad261SSteen Hegelund if (encode & 0xFF0000000000)
55f3cad261SSteen Hegelund ifh_hdr[byte - 5] |= (u8)((encode & 0xFF0000000000) >> 40);
56f3cad261SSteen Hegelund }
57f3cad261SSteen Hegelund
sparx5_set_port_ifh(void * ifh_hdr,u16 portno)588f68f53aSHoratiu Vultur void sparx5_set_port_ifh(void *ifh_hdr, u16 portno)
59f3cad261SSteen Hegelund {
60f3cad261SSteen Hegelund /* VSTAX.RSV = 1. MSBit must be 1 */
61f3cad261SSteen Hegelund ifh_encode_bitfield(ifh_hdr, 1, VSTAX + 79, 1);
62f3cad261SSteen Hegelund /* VSTAX.INGR_DROP_MODE = Enable. Don't make head-of-line blocking */
63f3cad261SSteen Hegelund ifh_encode_bitfield(ifh_hdr, 1, VSTAX + 55, 1);
64f3cad261SSteen Hegelund /* MISC.CPU_MASK/DPORT = Destination port */
65f3cad261SSteen Hegelund ifh_encode_bitfield(ifh_hdr, portno, 29, 8);
66f3cad261SSteen Hegelund /* MISC.PIPELINE_PT */
67f3cad261SSteen Hegelund ifh_encode_bitfield(ifh_hdr, 16, 37, 5);
68f3cad261SSteen Hegelund /* MISC.PIPELINE_ACT */
69f3cad261SSteen Hegelund ifh_encode_bitfield(ifh_hdr, 1, 42, 3);
70f3cad261SSteen Hegelund /* FWD.SRC_PORT = CPU */
71f3cad261SSteen Hegelund ifh_encode_bitfield(ifh_hdr, SPX5_PORT_CPU, 46, 7);
72f3cad261SSteen Hegelund /* FWD.SFLOW_ID (disable SFlow sampling) */
73f3cad261SSteen Hegelund ifh_encode_bitfield(ifh_hdr, 124, 57, 7);
74f3cad261SSteen Hegelund /* FWD.UPDATE_FCS = Enable. Enforce update of FCS. */
75f3cad261SSteen Hegelund ifh_encode_bitfield(ifh_hdr, 1, 67, 1);
76f3cad261SSteen Hegelund }
77f3cad261SSteen Hegelund
sparx5_set_port_ifh_rew_op(void * ifh_hdr,u32 rew_op)7870dfe25cSHoratiu Vultur void sparx5_set_port_ifh_rew_op(void *ifh_hdr, u32 rew_op)
7970dfe25cSHoratiu Vultur {
8070dfe25cSHoratiu Vultur ifh_encode_bitfield(ifh_hdr, rew_op, VSTAX + 32, 10);
8170dfe25cSHoratiu Vultur }
8270dfe25cSHoratiu Vultur
sparx5_set_port_ifh_pdu_type(void * ifh_hdr,u32 pdu_type)8370dfe25cSHoratiu Vultur void sparx5_set_port_ifh_pdu_type(void *ifh_hdr, u32 pdu_type)
8470dfe25cSHoratiu Vultur {
8570dfe25cSHoratiu Vultur ifh_encode_bitfield(ifh_hdr, pdu_type, 191, 4);
8670dfe25cSHoratiu Vultur }
8770dfe25cSHoratiu Vultur
sparx5_set_port_ifh_pdu_w16_offset(void * ifh_hdr,u32 pdu_w16_offset)8870dfe25cSHoratiu Vultur void sparx5_set_port_ifh_pdu_w16_offset(void *ifh_hdr, u32 pdu_w16_offset)
8970dfe25cSHoratiu Vultur {
9070dfe25cSHoratiu Vultur ifh_encode_bitfield(ifh_hdr, pdu_w16_offset, 195, 6);
9170dfe25cSHoratiu Vultur }
9270dfe25cSHoratiu Vultur
sparx5_set_port_ifh_timestamp(void * ifh_hdr,u64 timestamp)9370dfe25cSHoratiu Vultur void sparx5_set_port_ifh_timestamp(void *ifh_hdr, u64 timestamp)
9470dfe25cSHoratiu Vultur {
9570dfe25cSHoratiu Vultur ifh_encode_bitfield(ifh_hdr, timestamp, 232, 40);
9670dfe25cSHoratiu Vultur }
9770dfe25cSHoratiu Vultur
sparx5_port_open(struct net_device * ndev)98f3cad261SSteen Hegelund static int sparx5_port_open(struct net_device *ndev)
99f3cad261SSteen Hegelund {
100f3cad261SSteen Hegelund struct sparx5_port *port = netdev_priv(ndev);
101f3cad261SSteen Hegelund int err = 0;
102f3cad261SSteen Hegelund
103946e7fd5SSteen Hegelund sparx5_port_enable(port, true);
104f3cad261SSteen Hegelund err = phylink_of_phy_connect(port->phylink, port->of_node, 0);
105f3cad261SSteen Hegelund if (err) {
106f3cad261SSteen Hegelund netdev_err(ndev, "Could not attach to PHY\n");
1074305fe23SLiu Jian goto err_connect;
108f3cad261SSteen Hegelund }
109f3cad261SSteen Hegelund
110f3cad261SSteen Hegelund phylink_start(port->phylink);
111f3cad261SSteen Hegelund
112f3cad261SSteen Hegelund if (!ndev->phydev) {
113f3cad261SSteen Hegelund /* power up serdes */
114f3cad261SSteen Hegelund port->conf.power_down = false;
115946e7fd5SSteen Hegelund if (port->conf.serdes_reset)
116946e7fd5SSteen Hegelund err = sparx5_serdes_set(port->sparx5, port, &port->conf);
117946e7fd5SSteen Hegelund else
118f3cad261SSteen Hegelund err = phy_power_on(port->serdes);
1194305fe23SLiu Jian if (err) {
120f3cad261SSteen Hegelund netdev_err(ndev, "%s failed\n", __func__);
1214305fe23SLiu Jian goto out_power;
122f3cad261SSteen Hegelund }
1234305fe23SLiu Jian }
1244305fe23SLiu Jian
1254305fe23SLiu Jian return 0;
1264305fe23SLiu Jian
1274305fe23SLiu Jian out_power:
1284305fe23SLiu Jian phylink_stop(port->phylink);
1294305fe23SLiu Jian phylink_disconnect_phy(port->phylink);
1304305fe23SLiu Jian err_connect:
1314305fe23SLiu Jian sparx5_port_enable(port, false);
132f3cad261SSteen Hegelund
133f3cad261SSteen Hegelund return err;
134f3cad261SSteen Hegelund }
135f3cad261SSteen Hegelund
sparx5_port_stop(struct net_device * ndev)136f3cad261SSteen Hegelund static int sparx5_port_stop(struct net_device *ndev)
137f3cad261SSteen Hegelund {
138f3cad261SSteen Hegelund struct sparx5_port *port = netdev_priv(ndev);
139f3cad261SSteen Hegelund int err = 0;
140f3cad261SSteen Hegelund
141946e7fd5SSteen Hegelund sparx5_port_enable(port, false);
142f3cad261SSteen Hegelund phylink_stop(port->phylink);
143f3cad261SSteen Hegelund phylink_disconnect_phy(port->phylink);
144f3cad261SSteen Hegelund
145f3cad261SSteen Hegelund if (!ndev->phydev) {
146946e7fd5SSteen Hegelund /* power down serdes */
147f3cad261SSteen Hegelund port->conf.power_down = true;
148946e7fd5SSteen Hegelund if (port->conf.serdes_reset)
149946e7fd5SSteen Hegelund err = sparx5_serdes_set(port->sparx5, port, &port->conf);
150946e7fd5SSteen Hegelund else
151f3cad261SSteen Hegelund err = phy_power_off(port->serdes);
152f3cad261SSteen Hegelund if (err)
153f3cad261SSteen Hegelund netdev_err(ndev, "%s failed\n", __func__);
154f3cad261SSteen Hegelund }
155f3cad261SSteen Hegelund return 0;
156f3cad261SSteen Hegelund }
157f3cad261SSteen Hegelund
sparx5_set_rx_mode(struct net_device * dev)158d6fce514SSteen Hegelund static void sparx5_set_rx_mode(struct net_device *dev)
159d6fce514SSteen Hegelund {
160d6fce514SSteen Hegelund struct sparx5_port *port = netdev_priv(dev);
161d6fce514SSteen Hegelund struct sparx5 *sparx5 = port->sparx5;
162d6fce514SSteen Hegelund
163d6fce514SSteen Hegelund if (!test_bit(port->portno, sparx5->bridge_mask))
164d6fce514SSteen Hegelund __dev_mc_sync(dev, sparx5_mc_sync, sparx5_mc_unsync);
165d6fce514SSteen Hegelund }
166d6fce514SSteen Hegelund
sparx5_port_get_phys_port_name(struct net_device * dev,char * buf,size_t len)167f3cad261SSteen Hegelund static int sparx5_port_get_phys_port_name(struct net_device *dev,
168f3cad261SSteen Hegelund char *buf, size_t len)
169f3cad261SSteen Hegelund {
170f3cad261SSteen Hegelund struct sparx5_port *port = netdev_priv(dev);
171f3cad261SSteen Hegelund int ret;
172f3cad261SSteen Hegelund
173f3cad261SSteen Hegelund ret = snprintf(buf, len, "p%d", port->portno);
174f3cad261SSteen Hegelund if (ret >= len)
175f3cad261SSteen Hegelund return -EINVAL;
176f3cad261SSteen Hegelund
177f3cad261SSteen Hegelund return 0;
178f3cad261SSteen Hegelund }
179f3cad261SSteen Hegelund
sparx5_set_mac_address(struct net_device * dev,void * p)180f3cad261SSteen Hegelund static int sparx5_set_mac_address(struct net_device *dev, void *p)
181f3cad261SSteen Hegelund {
182b37a1baeSSteen Hegelund struct sparx5_port *port = netdev_priv(dev);
183b37a1baeSSteen Hegelund struct sparx5 *sparx5 = port->sparx5;
184f3cad261SSteen Hegelund const struct sockaddr *addr = p;
185f3cad261SSteen Hegelund
186f3cad261SSteen Hegelund if (!is_valid_ether_addr(addr->sa_data))
187f3cad261SSteen Hegelund return -EADDRNOTAVAIL;
188f3cad261SSteen Hegelund
189b37a1baeSSteen Hegelund /* Remove current */
190b37a1baeSSteen Hegelund sparx5_mact_forget(sparx5, dev->dev_addr, port->pvid);
191b37a1baeSSteen Hegelund
192b37a1baeSSteen Hegelund /* Add new */
193b37a1baeSSteen Hegelund sparx5_mact_learn(sparx5, PGID_CPU, addr->sa_data, port->pvid);
194b37a1baeSSteen Hegelund
195f3cad261SSteen Hegelund /* Record the address */
196f3956ebbSJakub Kicinski eth_hw_addr_set(dev, addr->sa_data);
197f3cad261SSteen Hegelund
198f3cad261SSteen Hegelund return 0;
199f3cad261SSteen Hegelund }
200f3cad261SSteen Hegelund
sparx5_get_port_parent_id(struct net_device * dev,struct netdev_phys_item_id * ppid)201b37a1baeSSteen Hegelund static int sparx5_get_port_parent_id(struct net_device *dev,
202b37a1baeSSteen Hegelund struct netdev_phys_item_id *ppid)
203b37a1baeSSteen Hegelund {
204b37a1baeSSteen Hegelund struct sparx5_port *sparx5_port = netdev_priv(dev);
205b37a1baeSSteen Hegelund struct sparx5 *sparx5 = sparx5_port->sparx5;
206b37a1baeSSteen Hegelund
207b37a1baeSSteen Hegelund ppid->id_len = sizeof(sparx5->base_mac);
208b37a1baeSSteen Hegelund memcpy(&ppid->id, &sparx5->base_mac, ppid->id_len);
209b37a1baeSSteen Hegelund
210b37a1baeSSteen Hegelund return 0;
211b37a1baeSSteen Hegelund }
212b37a1baeSSteen Hegelund
sparx5_port_hwtstamp_get(struct net_device * dev,struct kernel_hwtstamp_config * cfg)213*7bdde444SVladimir Oltean static int sparx5_port_hwtstamp_get(struct net_device *dev,
214*7bdde444SVladimir Oltean struct kernel_hwtstamp_config *cfg)
215589a07b8SHoratiu Vultur {
216589a07b8SHoratiu Vultur struct sparx5_port *sparx5_port = netdev_priv(dev);
217589a07b8SHoratiu Vultur struct sparx5 *sparx5 = sparx5_port->sparx5;
218589a07b8SHoratiu Vultur
219*7bdde444SVladimir Oltean if (!sparx5->ptp)
220*7bdde444SVladimir Oltean return -EOPNOTSUPP;
221*7bdde444SVladimir Oltean
222*7bdde444SVladimir Oltean sparx5_ptp_hwtstamp_get(sparx5_port, cfg);
223*7bdde444SVladimir Oltean
224*7bdde444SVladimir Oltean return 0;
225589a07b8SHoratiu Vultur }
226589a07b8SHoratiu Vultur
sparx5_port_hwtstamp_set(struct net_device * dev,struct kernel_hwtstamp_config * cfg,struct netlink_ext_ack * extack)227*7bdde444SVladimir Oltean static int sparx5_port_hwtstamp_set(struct net_device *dev,
228*7bdde444SVladimir Oltean struct kernel_hwtstamp_config *cfg,
229*7bdde444SVladimir Oltean struct netlink_ext_ack *extack)
230*7bdde444SVladimir Oltean {
231*7bdde444SVladimir Oltean struct sparx5_port *sparx5_port = netdev_priv(dev);
232*7bdde444SVladimir Oltean struct sparx5 *sparx5 = sparx5_port->sparx5;
233*7bdde444SVladimir Oltean
234*7bdde444SVladimir Oltean if (!sparx5->ptp)
235*7bdde444SVladimir Oltean return -EOPNOTSUPP;
236*7bdde444SVladimir Oltean
237*7bdde444SVladimir Oltean return sparx5_ptp_hwtstamp_set(sparx5_port, cfg, extack);
238589a07b8SHoratiu Vultur }
239589a07b8SHoratiu Vultur
240f3cad261SSteen Hegelund static const struct net_device_ops sparx5_port_netdev_ops = {
241f3cad261SSteen Hegelund .ndo_open = sparx5_port_open,
242f3cad261SSteen Hegelund .ndo_stop = sparx5_port_stop,
243f3cad261SSteen Hegelund .ndo_start_xmit = sparx5_port_xmit_impl,
244d6fce514SSteen Hegelund .ndo_set_rx_mode = sparx5_set_rx_mode,
245f3cad261SSteen Hegelund .ndo_get_phys_port_name = sparx5_port_get_phys_port_name,
246f3cad261SSteen Hegelund .ndo_set_mac_address = sparx5_set_mac_address,
247f3cad261SSteen Hegelund .ndo_validate_addr = eth_validate_addr,
248af4b1102SSteen Hegelund .ndo_get_stats64 = sparx5_get_stats64,
249b37a1baeSSteen Hegelund .ndo_get_port_parent_id = sparx5_get_port_parent_id,
250*7bdde444SVladimir Oltean .ndo_eth_ioctl = phy_do_ioctl,
25165ec1bbeSDaniel Machon .ndo_setup_tc = sparx5_port_setup_tc,
252*7bdde444SVladimir Oltean .ndo_hwtstamp_get = sparx5_port_hwtstamp_get,
253*7bdde444SVladimir Oltean .ndo_hwtstamp_set = sparx5_port_hwtstamp_set,
254f3cad261SSteen Hegelund };
255f3cad261SSteen Hegelund
sparx5_netdevice_check(const struct net_device * dev)256f3cad261SSteen Hegelund bool sparx5_netdevice_check(const struct net_device *dev)
257f3cad261SSteen Hegelund {
258f3cad261SSteen Hegelund return dev && (dev->netdev_ops == &sparx5_port_netdev_ops);
259f3cad261SSteen Hegelund }
260f3cad261SSteen Hegelund
sparx5_create_netdev(struct sparx5 * sparx5,u32 portno)261f3cad261SSteen Hegelund struct net_device *sparx5_create_netdev(struct sparx5 *sparx5, u32 portno)
262f3cad261SSteen Hegelund {
263f3cad261SSteen Hegelund struct sparx5_port *spx5_port;
264f3cad261SSteen Hegelund struct net_device *ndev;
265f3cad261SSteen Hegelund
266ab0e493eSDaniel Machon ndev = devm_alloc_etherdev_mqs(sparx5->dev, sizeof(struct sparx5_port),
267ab0e493eSDaniel Machon SPX5_PRIOS, 1);
268f3cad261SSteen Hegelund if (!ndev)
269f3cad261SSteen Hegelund return ERR_PTR(-ENOMEM);
270f3cad261SSteen Hegelund
271ab0e493eSDaniel Machon ndev->hw_features |= NETIF_F_HW_TC;
272ab0e493eSDaniel Machon ndev->features |= NETIF_F_HW_TC;
273ab0e493eSDaniel Machon
274f3cad261SSteen Hegelund SET_NETDEV_DEV(ndev, sparx5->dev);
275f3cad261SSteen Hegelund spx5_port = netdev_priv(ndev);
276f3cad261SSteen Hegelund spx5_port->ndev = ndev;
277f3cad261SSteen Hegelund spx5_port->sparx5 = sparx5;
278f3cad261SSteen Hegelund spx5_port->portno = portno;
279f3cad261SSteen Hegelund
280f3cad261SSteen Hegelund ndev->netdev_ops = &sparx5_port_netdev_ops;
281af4b1102SSteen Hegelund ndev->ethtool_ops = &sparx5_ethtool_ops;
282f3cad261SSteen Hegelund
28307a7ec9bSJakub Kicinski eth_hw_addr_gen(ndev, sparx5->base_mac, portno + 1);
284f3cad261SSteen Hegelund
285f3cad261SSteen Hegelund return ndev;
286f3cad261SSteen Hegelund }
287f3cad261SSteen Hegelund
sparx5_register_netdevs(struct sparx5 * sparx5)288f3cad261SSteen Hegelund int sparx5_register_netdevs(struct sparx5 *sparx5)
289f3cad261SSteen Hegelund {
290f3cad261SSteen Hegelund int portno;
291f3cad261SSteen Hegelund int err;
292f3cad261SSteen Hegelund
293f3cad261SSteen Hegelund for (portno = 0; portno < SPX5_PORTS; portno++)
294f3cad261SSteen Hegelund if (sparx5->ports[portno]) {
295f3cad261SSteen Hegelund err = register_netdev(sparx5->ports[portno]->ndev);
296f3cad261SSteen Hegelund if (err) {
297f3cad261SSteen Hegelund dev_err(sparx5->dev,
298f3cad261SSteen Hegelund "port: %02u: netdev registration failed\n",
299f3cad261SSteen Hegelund portno);
300f3cad261SSteen Hegelund return err;
301f3cad261SSteen Hegelund }
302f3cad261SSteen Hegelund sparx5_port_inj_timer_setup(sparx5->ports[portno]);
303f3cad261SSteen Hegelund }
304f3cad261SSteen Hegelund return 0;
305f3cad261SSteen Hegelund }
306f3cad261SSteen Hegelund
sparx5_destroy_netdevs(struct sparx5 * sparx5)307f3cad261SSteen Hegelund void sparx5_destroy_netdevs(struct sparx5 *sparx5)
308f3cad261SSteen Hegelund {
309f3cad261SSteen Hegelund struct sparx5_port *port;
310f3cad261SSteen Hegelund int portno;
311f3cad261SSteen Hegelund
312f3cad261SSteen Hegelund for (portno = 0; portno < SPX5_PORTS; portno++) {
313f3cad261SSteen Hegelund port = sparx5->ports[portno];
314f3cad261SSteen Hegelund if (port && port->phylink) {
315f3cad261SSteen Hegelund /* Disconnect the phy */
316f3cad261SSteen Hegelund rtnl_lock();
317f3cad261SSteen Hegelund sparx5_port_stop(port->ndev);
318f3cad261SSteen Hegelund phylink_disconnect_phy(port->phylink);
319f3cad261SSteen Hegelund rtnl_unlock();
320f3cad261SSteen Hegelund phylink_destroy(port->phylink);
321f3cad261SSteen Hegelund port->phylink = NULL;
322f3cad261SSteen Hegelund }
323f3cad261SSteen Hegelund }
324f3cad261SSteen Hegelund }
325f3cad261SSteen Hegelund
sparx5_unregister_netdevs(struct sparx5 * sparx5)326f3cad261SSteen Hegelund void sparx5_unregister_netdevs(struct sparx5 *sparx5)
327f3cad261SSteen Hegelund {
328f3cad261SSteen Hegelund int portno;
329f3cad261SSteen Hegelund
330f3cad261SSteen Hegelund for (portno = 0; portno < SPX5_PORTS; portno++)
331f3cad261SSteen Hegelund if (sparx5->ports[portno])
332f3cad261SSteen Hegelund unregister_netdev(sparx5->ports[portno]->ndev);
333f3cad261SSteen Hegelund }
334f3cad261SSteen Hegelund
335