1 // SPDX-License-Identifier: (GPL-2.0 OR MIT)
2 /* Microsemi Ocelot Switch driver
4 * This contains glue logic between the switchdev driver operations and the
5 * mscc_ocelot_switch_lib.
7 * Copyright (c) 2017, 2019 Microsemi Corporation
8 * Copyright 2020-2021 NXP Semiconductors
11 #include <linux/if_bridge.h>
12 #include <linux/of_net.h>
13 #include <linux/phy/phy.h>
14 #include <net/pkt_cls.h>
16 #include "ocelot_vcap.h"
18 #define OCELOT_MAC_QUIRKS OCELOT_QUIRK_QSGMII_PORTS_MUST_BE_UP
20 static struct ocelot *devlink_port_to_ocelot(struct devlink_port *dlp)
22 return devlink_priv(dlp->devlink);
25 static int devlink_port_to_port(struct devlink_port *dlp)
27 struct ocelot *ocelot = devlink_port_to_ocelot(dlp);
29 return dlp - ocelot->devlink_ports;
32 static int ocelot_devlink_sb_pool_get(struct devlink *dl,
33 unsigned int sb_index, u16 pool_index,
34 struct devlink_sb_pool_info *pool_info)
36 struct ocelot *ocelot = devlink_priv(dl);
38 return ocelot_sb_pool_get(ocelot, sb_index, pool_index, pool_info);
41 static int ocelot_devlink_sb_pool_set(struct devlink *dl, unsigned int sb_index,
42 u16 pool_index, u32 size,
43 enum devlink_sb_threshold_type threshold_type,
44 struct netlink_ext_ack *extack)
46 struct ocelot *ocelot = devlink_priv(dl);
48 return ocelot_sb_pool_set(ocelot, sb_index, pool_index, size,
49 threshold_type, extack);
52 static int ocelot_devlink_sb_port_pool_get(struct devlink_port *dlp,
53 unsigned int sb_index, u16 pool_index,
56 struct ocelot *ocelot = devlink_port_to_ocelot(dlp);
57 int port = devlink_port_to_port(dlp);
59 return ocelot_sb_port_pool_get(ocelot, port, sb_index, pool_index,
63 static int ocelot_devlink_sb_port_pool_set(struct devlink_port *dlp,
64 unsigned int sb_index, u16 pool_index,
66 struct netlink_ext_ack *extack)
68 struct ocelot *ocelot = devlink_port_to_ocelot(dlp);
69 int port = devlink_port_to_port(dlp);
71 return ocelot_sb_port_pool_set(ocelot, port, sb_index, pool_index,
76 ocelot_devlink_sb_tc_pool_bind_get(struct devlink_port *dlp,
77 unsigned int sb_index, u16 tc_index,
78 enum devlink_sb_pool_type pool_type,
79 u16 *p_pool_index, u32 *p_threshold)
81 struct ocelot *ocelot = devlink_port_to_ocelot(dlp);
82 int port = devlink_port_to_port(dlp);
84 return ocelot_sb_tc_pool_bind_get(ocelot, port, sb_index, tc_index,
85 pool_type, p_pool_index,
90 ocelot_devlink_sb_tc_pool_bind_set(struct devlink_port *dlp,
91 unsigned int sb_index, u16 tc_index,
92 enum devlink_sb_pool_type pool_type,
93 u16 pool_index, u32 threshold,
94 struct netlink_ext_ack *extack)
96 struct ocelot *ocelot = devlink_port_to_ocelot(dlp);
97 int port = devlink_port_to_port(dlp);
99 return ocelot_sb_tc_pool_bind_set(ocelot, port, sb_index, tc_index,
100 pool_type, pool_index, threshold,
104 static int ocelot_devlink_sb_occ_snapshot(struct devlink *dl,
105 unsigned int sb_index)
107 struct ocelot *ocelot = devlink_priv(dl);
109 return ocelot_sb_occ_snapshot(ocelot, sb_index);
112 static int ocelot_devlink_sb_occ_max_clear(struct devlink *dl,
113 unsigned int sb_index)
115 struct ocelot *ocelot = devlink_priv(dl);
117 return ocelot_sb_occ_max_clear(ocelot, sb_index);
120 static int ocelot_devlink_sb_occ_port_pool_get(struct devlink_port *dlp,
121 unsigned int sb_index,
122 u16 pool_index, u32 *p_cur,
125 struct ocelot *ocelot = devlink_port_to_ocelot(dlp);
126 int port = devlink_port_to_port(dlp);
128 return ocelot_sb_occ_port_pool_get(ocelot, port, sb_index, pool_index,
133 ocelot_devlink_sb_occ_tc_port_bind_get(struct devlink_port *dlp,
134 unsigned int sb_index, u16 tc_index,
135 enum devlink_sb_pool_type pool_type,
136 u32 *p_cur, u32 *p_max)
138 struct ocelot *ocelot = devlink_port_to_ocelot(dlp);
139 int port = devlink_port_to_port(dlp);
141 return ocelot_sb_occ_tc_port_bind_get(ocelot, port, sb_index,
146 const struct devlink_ops ocelot_devlink_ops = {
147 .sb_pool_get = ocelot_devlink_sb_pool_get,
148 .sb_pool_set = ocelot_devlink_sb_pool_set,
149 .sb_port_pool_get = ocelot_devlink_sb_port_pool_get,
150 .sb_port_pool_set = ocelot_devlink_sb_port_pool_set,
151 .sb_tc_pool_bind_get = ocelot_devlink_sb_tc_pool_bind_get,
152 .sb_tc_pool_bind_set = ocelot_devlink_sb_tc_pool_bind_set,
153 .sb_occ_snapshot = ocelot_devlink_sb_occ_snapshot,
154 .sb_occ_max_clear = ocelot_devlink_sb_occ_max_clear,
155 .sb_occ_port_pool_get = ocelot_devlink_sb_occ_port_pool_get,
156 .sb_occ_tc_port_bind_get = ocelot_devlink_sb_occ_tc_port_bind_get,
159 int ocelot_port_devlink_init(struct ocelot *ocelot, int port,
160 enum devlink_port_flavour flavour)
162 struct devlink_port *dlp = &ocelot->devlink_ports[port];
163 int id_len = sizeof(ocelot->base_mac);
164 struct devlink *dl = ocelot->devlink;
165 struct devlink_port_attrs attrs = {};
167 memset(dlp, 0, sizeof(*dlp));
168 memcpy(attrs.switch_id.id, &ocelot->base_mac, id_len);
169 attrs.switch_id.id_len = id_len;
170 attrs.phys.port_number = port;
171 attrs.flavour = flavour;
173 devlink_port_attrs_set(dlp, &attrs);
175 return devlink_port_register(dl, dlp, port);
178 void ocelot_port_devlink_teardown(struct ocelot *ocelot, int port)
180 struct devlink_port *dlp = &ocelot->devlink_ports[port];
182 devlink_port_unregister(dlp);
185 static struct devlink_port *ocelot_get_devlink_port(struct net_device *dev)
187 struct ocelot_port_private *priv = netdev_priv(dev);
188 struct ocelot *ocelot = priv->port.ocelot;
189 int port = priv->chip_port;
191 return &ocelot->devlink_ports[port];
194 int ocelot_setup_tc_cls_flower(struct ocelot_port_private *priv,
195 struct flow_cls_offload *f,
198 struct ocelot *ocelot = priv->port.ocelot;
199 int port = priv->chip_port;
204 switch (f->command) {
205 case FLOW_CLS_REPLACE:
206 return ocelot_cls_flower_replace(ocelot, port, f, ingress);
207 case FLOW_CLS_DESTROY:
208 return ocelot_cls_flower_destroy(ocelot, port, f, ingress);
210 return ocelot_cls_flower_stats(ocelot, port, f, ingress);
216 static int ocelot_setup_tc_cls_matchall(struct ocelot_port_private *priv,
217 struct tc_cls_matchall_offload *f,
220 struct netlink_ext_ack *extack = f->common.extack;
221 struct ocelot *ocelot = priv->port.ocelot;
222 struct ocelot_policer pol = { 0 };
223 struct flow_action_entry *action;
224 int port = priv->chip_port;
228 NL_SET_ERR_MSG_MOD(extack, "Only ingress is supported");
232 switch (f->command) {
233 case TC_CLSMATCHALL_REPLACE:
234 if (!flow_offload_has_one_action(&f->rule->action)) {
235 NL_SET_ERR_MSG_MOD(extack,
236 "Only one action is supported");
240 if (priv->tc.block_shared) {
241 NL_SET_ERR_MSG_MOD(extack,
242 "Rate limit is not supported on shared blocks");
246 action = &f->rule->action.entries[0];
248 if (action->id != FLOW_ACTION_POLICE) {
249 NL_SET_ERR_MSG_MOD(extack, "Unsupported action");
253 if (priv->tc.police_id && priv->tc.police_id != f->cookie) {
254 NL_SET_ERR_MSG_MOD(extack,
255 "Only one policer per port is supported");
259 if (action->police.rate_pkt_ps) {
260 NL_SET_ERR_MSG_MOD(extack,
261 "QoS offload not support packets per second");
265 pol.rate = (u32)div_u64(action->police.rate_bytes_ps, 1000) * 8;
266 pol.burst = action->police.burst;
268 err = ocelot_port_policer_add(ocelot, port, &pol);
270 NL_SET_ERR_MSG_MOD(extack, "Could not add policer");
274 priv->tc.police_id = f->cookie;
275 priv->tc.offload_cnt++;
277 case TC_CLSMATCHALL_DESTROY:
278 if (priv->tc.police_id != f->cookie)
281 err = ocelot_port_policer_del(ocelot, port);
283 NL_SET_ERR_MSG_MOD(extack,
284 "Could not delete policer");
287 priv->tc.police_id = 0;
288 priv->tc.offload_cnt--;
290 case TC_CLSMATCHALL_STATS:
296 static int ocelot_setup_tc_block_cb(enum tc_setup_type type,
298 void *cb_priv, bool ingress)
300 struct ocelot_port_private *priv = cb_priv;
302 if (!tc_cls_can_offload_and_chain0(priv->dev, type_data))
306 case TC_SETUP_CLSMATCHALL:
307 return ocelot_setup_tc_cls_matchall(priv, type_data, ingress);
308 case TC_SETUP_CLSFLOWER:
309 return ocelot_setup_tc_cls_flower(priv, type_data, ingress);
315 static int ocelot_setup_tc_block_cb_ig(enum tc_setup_type type,
319 return ocelot_setup_tc_block_cb(type, type_data,
323 static int ocelot_setup_tc_block_cb_eg(enum tc_setup_type type,
327 return ocelot_setup_tc_block_cb(type, type_data,
331 static LIST_HEAD(ocelot_block_cb_list);
333 static int ocelot_setup_tc_block(struct ocelot_port_private *priv,
334 struct flow_block_offload *f)
336 struct flow_block_cb *block_cb;
339 if (f->binder_type == FLOW_BLOCK_BINDER_TYPE_CLSACT_INGRESS) {
340 cb = ocelot_setup_tc_block_cb_ig;
341 priv->tc.block_shared = f->block_shared;
342 } else if (f->binder_type == FLOW_BLOCK_BINDER_TYPE_CLSACT_EGRESS) {
343 cb = ocelot_setup_tc_block_cb_eg;
348 f->driver_block_list = &ocelot_block_cb_list;
350 switch (f->command) {
351 case FLOW_BLOCK_BIND:
352 if (flow_block_cb_is_busy(cb, priv, &ocelot_block_cb_list))
355 block_cb = flow_block_cb_alloc(cb, priv, priv, NULL);
356 if (IS_ERR(block_cb))
357 return PTR_ERR(block_cb);
359 flow_block_cb_add(block_cb, f);
360 list_add_tail(&block_cb->driver_list, f->driver_block_list);
362 case FLOW_BLOCK_UNBIND:
363 block_cb = flow_block_cb_lookup(f->block, cb, priv);
367 flow_block_cb_remove(block_cb, f);
368 list_del(&block_cb->driver_list);
375 static int ocelot_setup_tc(struct net_device *dev, enum tc_setup_type type,
378 struct ocelot_port_private *priv = netdev_priv(dev);
382 return ocelot_setup_tc_block(priv, type_data);
389 static int ocelot_vlan_vid_add(struct net_device *dev, u16 vid, bool pvid,
392 struct ocelot_port_private *priv = netdev_priv(dev);
393 struct ocelot_port *ocelot_port = &priv->port;
394 struct ocelot *ocelot = ocelot_port->ocelot;
395 int port = priv->chip_port;
398 ret = ocelot_vlan_add(ocelot, port, vid, pvid, untagged);
402 /* Add the port MAC address to with the right VLAN information */
403 ocelot_mact_learn(ocelot, PGID_CPU, dev->dev_addr, vid,
409 static int ocelot_vlan_vid_del(struct net_device *dev, u16 vid)
411 struct ocelot_port_private *priv = netdev_priv(dev);
412 struct ocelot *ocelot = priv->port.ocelot;
413 int port = priv->chip_port;
416 /* 8021q removes VID 0 on module unload for all interfaces
417 * with VLAN filtering feature. We need to keep it to receive
423 ret = ocelot_vlan_del(ocelot, port, vid);
427 /* Del the port MAC address to with the right VLAN information */
428 ocelot_mact_forget(ocelot, dev->dev_addr, vid);
433 static int ocelot_port_open(struct net_device *dev)
435 struct ocelot_port_private *priv = netdev_priv(dev);
437 phylink_start(priv->phylink);
442 static int ocelot_port_stop(struct net_device *dev)
444 struct ocelot_port_private *priv = netdev_priv(dev);
446 phylink_stop(priv->phylink);
451 static netdev_tx_t ocelot_port_xmit(struct sk_buff *skb, struct net_device *dev)
453 struct ocelot_port_private *priv = netdev_priv(dev);
454 struct ocelot_port *ocelot_port = &priv->port;
455 struct ocelot *ocelot = ocelot_port->ocelot;
456 int port = priv->chip_port;
459 if (!ocelot_can_inject(ocelot, 0))
460 return NETDEV_TX_BUSY;
462 /* Check if timestamping is needed */
463 if (ocelot->ptp && (skb_shinfo(skb)->tx_flags & SKBTX_HW_TSTAMP)) {
464 struct sk_buff *clone = NULL;
466 if (ocelot_port_txtstamp_request(ocelot, port, skb, &clone)) {
472 OCELOT_SKB_CB(skb)->clone = clone;
474 rew_op = ocelot_ptp_rew_op(skb);
477 ocelot_port_inject_frame(ocelot, port, 0, rew_op, skb);
484 enum ocelot_action_type {
489 struct ocelot_mact_work_ctx {
490 struct work_struct work;
491 struct ocelot *ocelot;
492 enum ocelot_action_type type;
494 /* OCELOT_MACT_LEARN */
496 unsigned char addr[ETH_ALEN];
498 enum macaccess_entry_type entry_type;
501 /* OCELOT_MACT_FORGET */
503 unsigned char addr[ETH_ALEN];
509 #define ocelot_work_to_ctx(x) \
510 container_of((x), struct ocelot_mact_work_ctx, work)
512 static void ocelot_mact_work(struct work_struct *work)
514 struct ocelot_mact_work_ctx *w = ocelot_work_to_ctx(work);
515 struct ocelot *ocelot = w->ocelot;
518 case OCELOT_MACT_LEARN:
519 ocelot_mact_learn(ocelot, w->learn.pgid, w->learn.addr,
520 w->learn.vid, w->learn.entry_type);
522 case OCELOT_MACT_FORGET:
523 ocelot_mact_forget(ocelot, w->forget.addr, w->forget.vid);
532 static int ocelot_enqueue_mact_action(struct ocelot *ocelot,
533 const struct ocelot_mact_work_ctx *ctx)
535 struct ocelot_mact_work_ctx *w = kmemdup(ctx, sizeof(*w), GFP_ATOMIC);
541 INIT_WORK(&w->work, ocelot_mact_work);
542 queue_work(ocelot->owq, &w->work);
547 static int ocelot_mc_unsync(struct net_device *dev, const unsigned char *addr)
549 struct ocelot_port_private *priv = netdev_priv(dev);
550 struct ocelot_port *ocelot_port = &priv->port;
551 struct ocelot *ocelot = ocelot_port->ocelot;
552 struct ocelot_mact_work_ctx w;
554 ether_addr_copy(w.forget.addr, addr);
555 w.forget.vid = ocelot_port->pvid_vlan.vid;
556 w.type = OCELOT_MACT_FORGET;
558 return ocelot_enqueue_mact_action(ocelot, &w);
561 static int ocelot_mc_sync(struct net_device *dev, const unsigned char *addr)
563 struct ocelot_port_private *priv = netdev_priv(dev);
564 struct ocelot_port *ocelot_port = &priv->port;
565 struct ocelot *ocelot = ocelot_port->ocelot;
566 struct ocelot_mact_work_ctx w;
568 ether_addr_copy(w.learn.addr, addr);
569 w.learn.vid = ocelot_port->pvid_vlan.vid;
570 w.learn.pgid = PGID_CPU;
571 w.learn.entry_type = ENTRYTYPE_LOCKED;
572 w.type = OCELOT_MACT_LEARN;
574 return ocelot_enqueue_mact_action(ocelot, &w);
577 static void ocelot_set_rx_mode(struct net_device *dev)
579 struct ocelot_port_private *priv = netdev_priv(dev);
580 struct ocelot *ocelot = priv->port.ocelot;
584 /* This doesn't handle promiscuous mode because the bridge core is
585 * setting IFF_PROMISC on all slave interfaces and all frames would be
586 * forwarded to the CPU port.
588 val = GENMASK(ocelot->num_phys_ports - 1, 0);
589 for_each_nonreserved_multicast_dest_pgid(ocelot, i)
590 ocelot_write_rix(ocelot, val, ANA_PGID_PGID, i);
592 __dev_mc_sync(dev, ocelot_mc_sync, ocelot_mc_unsync);
595 static int ocelot_port_set_mac_address(struct net_device *dev, void *p)
597 struct ocelot_port_private *priv = netdev_priv(dev);
598 struct ocelot_port *ocelot_port = &priv->port;
599 struct ocelot *ocelot = ocelot_port->ocelot;
600 const struct sockaddr *addr = p;
602 /* Learn the new net device MAC address in the mac table. */
603 ocelot_mact_learn(ocelot, PGID_CPU, addr->sa_data,
604 ocelot_port->pvid_vlan.vid, ENTRYTYPE_LOCKED);
605 /* Then forget the previous one. */
606 ocelot_mact_forget(ocelot, dev->dev_addr, ocelot_port->pvid_vlan.vid);
608 ether_addr_copy(dev->dev_addr, addr->sa_data);
612 static void ocelot_get_stats64(struct net_device *dev,
613 struct rtnl_link_stats64 *stats)
615 struct ocelot_port_private *priv = netdev_priv(dev);
616 struct ocelot *ocelot = priv->port.ocelot;
617 int port = priv->chip_port;
619 /* Configure the port to read the stats from */
620 ocelot_write(ocelot, SYS_STAT_CFG_STAT_VIEW(port),
624 stats->rx_bytes = ocelot_read(ocelot, SYS_COUNT_RX_OCTETS);
625 stats->rx_packets = ocelot_read(ocelot, SYS_COUNT_RX_SHORTS) +
626 ocelot_read(ocelot, SYS_COUNT_RX_FRAGMENTS) +
627 ocelot_read(ocelot, SYS_COUNT_RX_JABBERS) +
628 ocelot_read(ocelot, SYS_COUNT_RX_LONGS) +
629 ocelot_read(ocelot, SYS_COUNT_RX_64) +
630 ocelot_read(ocelot, SYS_COUNT_RX_65_127) +
631 ocelot_read(ocelot, SYS_COUNT_RX_128_255) +
632 ocelot_read(ocelot, SYS_COUNT_RX_256_1023) +
633 ocelot_read(ocelot, SYS_COUNT_RX_1024_1526) +
634 ocelot_read(ocelot, SYS_COUNT_RX_1527_MAX);
635 stats->multicast = ocelot_read(ocelot, SYS_COUNT_RX_MULTICAST);
636 stats->rx_dropped = dev->stats.rx_dropped;
639 stats->tx_bytes = ocelot_read(ocelot, SYS_COUNT_TX_OCTETS);
640 stats->tx_packets = ocelot_read(ocelot, SYS_COUNT_TX_64) +
641 ocelot_read(ocelot, SYS_COUNT_TX_65_127) +
642 ocelot_read(ocelot, SYS_COUNT_TX_128_511) +
643 ocelot_read(ocelot, SYS_COUNT_TX_512_1023) +
644 ocelot_read(ocelot, SYS_COUNT_TX_1024_1526) +
645 ocelot_read(ocelot, SYS_COUNT_TX_1527_MAX);
646 stats->tx_dropped = ocelot_read(ocelot, SYS_COUNT_TX_DROPS) +
647 ocelot_read(ocelot, SYS_COUNT_TX_AGING);
648 stats->collisions = ocelot_read(ocelot, SYS_COUNT_TX_COLLISION);
651 static int ocelot_port_fdb_add(struct ndmsg *ndm, struct nlattr *tb[],
652 struct net_device *dev,
653 const unsigned char *addr,
655 struct netlink_ext_ack *extack)
657 struct ocelot_port_private *priv = netdev_priv(dev);
658 struct ocelot *ocelot = priv->port.ocelot;
659 int port = priv->chip_port;
661 return ocelot_fdb_add(ocelot, port, addr, vid);
664 static int ocelot_port_fdb_del(struct ndmsg *ndm, struct nlattr *tb[],
665 struct net_device *dev,
666 const unsigned char *addr, u16 vid)
668 struct ocelot_port_private *priv = netdev_priv(dev);
669 struct ocelot *ocelot = priv->port.ocelot;
670 int port = priv->chip_port;
672 return ocelot_fdb_del(ocelot, port, addr, vid);
675 static int ocelot_port_fdb_dump(struct sk_buff *skb,
676 struct netlink_callback *cb,
677 struct net_device *dev,
678 struct net_device *filter_dev, int *idx)
680 struct ocelot_port_private *priv = netdev_priv(dev);
681 struct ocelot *ocelot = priv->port.ocelot;
682 struct ocelot_dump_ctx dump = {
688 int port = priv->chip_port;
691 ret = ocelot_fdb_dump(ocelot, port, ocelot_port_fdb_do_dump, &dump);
698 static int ocelot_vlan_rx_add_vid(struct net_device *dev, __be16 proto,
701 return ocelot_vlan_vid_add(dev, vid, false, false);
704 static int ocelot_vlan_rx_kill_vid(struct net_device *dev, __be16 proto,
707 return ocelot_vlan_vid_del(dev, vid);
710 static void ocelot_vlan_mode(struct ocelot *ocelot, int port,
711 netdev_features_t features)
716 val = ocelot_read(ocelot, ANA_VLANMASK);
717 if (features & NETIF_F_HW_VLAN_CTAG_FILTER)
721 ocelot_write(ocelot, val, ANA_VLANMASK);
724 static int ocelot_set_features(struct net_device *dev,
725 netdev_features_t features)
727 netdev_features_t changed = dev->features ^ features;
728 struct ocelot_port_private *priv = netdev_priv(dev);
729 struct ocelot *ocelot = priv->port.ocelot;
730 int port = priv->chip_port;
732 if ((dev->features & NETIF_F_HW_TC) > (features & NETIF_F_HW_TC) &&
733 priv->tc.offload_cnt) {
735 "Cannot disable HW TC offload while offloads active\n");
739 if (changed & NETIF_F_HW_VLAN_CTAG_FILTER)
740 ocelot_vlan_mode(ocelot, port, features);
745 static int ocelot_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
747 struct ocelot_port_private *priv = netdev_priv(dev);
748 struct ocelot *ocelot = priv->port.ocelot;
749 int port = priv->chip_port;
751 /* If the attached PHY device isn't capable of timestamping operations,
752 * use our own (when possible).
754 if (!phy_has_hwtstamp(dev->phydev) && ocelot->ptp) {
757 return ocelot_hwstamp_set(ocelot, port, ifr);
759 return ocelot_hwstamp_get(ocelot, port, ifr);
763 return phy_mii_ioctl(dev->phydev, ifr, cmd);
766 static const struct net_device_ops ocelot_port_netdev_ops = {
767 .ndo_open = ocelot_port_open,
768 .ndo_stop = ocelot_port_stop,
769 .ndo_start_xmit = ocelot_port_xmit,
770 .ndo_set_rx_mode = ocelot_set_rx_mode,
771 .ndo_set_mac_address = ocelot_port_set_mac_address,
772 .ndo_get_stats64 = ocelot_get_stats64,
773 .ndo_fdb_add = ocelot_port_fdb_add,
774 .ndo_fdb_del = ocelot_port_fdb_del,
775 .ndo_fdb_dump = ocelot_port_fdb_dump,
776 .ndo_vlan_rx_add_vid = ocelot_vlan_rx_add_vid,
777 .ndo_vlan_rx_kill_vid = ocelot_vlan_rx_kill_vid,
778 .ndo_set_features = ocelot_set_features,
779 .ndo_setup_tc = ocelot_setup_tc,
780 .ndo_eth_ioctl = ocelot_ioctl,
781 .ndo_get_devlink_port = ocelot_get_devlink_port,
784 struct net_device *ocelot_port_to_netdev(struct ocelot *ocelot, int port)
786 struct ocelot_port *ocelot_port = ocelot->ports[port];
787 struct ocelot_port_private *priv;
792 priv = container_of(ocelot_port, struct ocelot_port_private, port);
797 /* Checks if the net_device instance given to us originates from our driver */
798 static bool ocelot_netdevice_dev_check(const struct net_device *dev)
800 return dev->netdev_ops == &ocelot_port_netdev_ops;
803 int ocelot_netdev_to_port(struct net_device *dev)
805 struct ocelot_port_private *priv;
807 if (!dev || !ocelot_netdevice_dev_check(dev))
810 priv = netdev_priv(dev);
812 return priv->chip_port;
815 static void ocelot_port_get_strings(struct net_device *netdev, u32 sset,
818 struct ocelot_port_private *priv = netdev_priv(netdev);
819 struct ocelot *ocelot = priv->port.ocelot;
820 int port = priv->chip_port;
822 ocelot_get_strings(ocelot, port, sset, data);
825 static void ocelot_port_get_ethtool_stats(struct net_device *dev,
826 struct ethtool_stats *stats,
829 struct ocelot_port_private *priv = netdev_priv(dev);
830 struct ocelot *ocelot = priv->port.ocelot;
831 int port = priv->chip_port;
833 ocelot_get_ethtool_stats(ocelot, port, data);
836 static int ocelot_port_get_sset_count(struct net_device *dev, int sset)
838 struct ocelot_port_private *priv = netdev_priv(dev);
839 struct ocelot *ocelot = priv->port.ocelot;
840 int port = priv->chip_port;
842 return ocelot_get_sset_count(ocelot, port, sset);
845 static int ocelot_port_get_ts_info(struct net_device *dev,
846 struct ethtool_ts_info *info)
848 struct ocelot_port_private *priv = netdev_priv(dev);
849 struct ocelot *ocelot = priv->port.ocelot;
850 int port = priv->chip_port;
853 return ethtool_op_get_ts_info(dev, info);
855 return ocelot_get_ts_info(ocelot, port, info);
858 static const struct ethtool_ops ocelot_ethtool_ops = {
859 .get_strings = ocelot_port_get_strings,
860 .get_ethtool_stats = ocelot_port_get_ethtool_stats,
861 .get_sset_count = ocelot_port_get_sset_count,
862 .get_link_ksettings = phy_ethtool_get_link_ksettings,
863 .set_link_ksettings = phy_ethtool_set_link_ksettings,
864 .get_ts_info = ocelot_port_get_ts_info,
867 static void ocelot_port_attr_stp_state_set(struct ocelot *ocelot, int port,
870 ocelot_bridge_stp_state_set(ocelot, port, state);
873 static void ocelot_port_attr_ageing_set(struct ocelot *ocelot, int port,
874 unsigned long ageing_clock_t)
876 unsigned long ageing_jiffies = clock_t_to_jiffies(ageing_clock_t);
877 u32 ageing_time = jiffies_to_msecs(ageing_jiffies);
879 ocelot_set_ageing_time(ocelot, ageing_time);
882 static void ocelot_port_attr_mc_set(struct ocelot *ocelot, int port, bool mc)
884 u32 cpu_fwd_mcast = ANA_PORT_CPU_FWD_CFG_CPU_IGMP_REDIR_ENA |
885 ANA_PORT_CPU_FWD_CFG_CPU_MLD_REDIR_ENA |
886 ANA_PORT_CPU_FWD_CFG_CPU_IPMC_CTRL_COPY_ENA;
892 ocelot_rmw_gix(ocelot, val, cpu_fwd_mcast,
893 ANA_PORT_CPU_FWD_CFG, port);
896 static int ocelot_port_attr_set(struct net_device *dev, const void *ctx,
897 const struct switchdev_attr *attr,
898 struct netlink_ext_ack *extack)
900 struct ocelot_port_private *priv = netdev_priv(dev);
901 struct ocelot *ocelot = priv->port.ocelot;
902 int port = priv->chip_port;
905 if (ctx && ctx != priv)
909 case SWITCHDEV_ATTR_ID_PORT_STP_STATE:
910 ocelot_port_attr_stp_state_set(ocelot, port, attr->u.stp_state);
912 case SWITCHDEV_ATTR_ID_BRIDGE_AGEING_TIME:
913 ocelot_port_attr_ageing_set(ocelot, port, attr->u.ageing_time);
915 case SWITCHDEV_ATTR_ID_BRIDGE_VLAN_FILTERING:
916 ocelot_port_vlan_filtering(ocelot, port, attr->u.vlan_filtering,
919 case SWITCHDEV_ATTR_ID_BRIDGE_MC_DISABLED:
920 ocelot_port_attr_mc_set(ocelot, port, !attr->u.mc_disabled);
922 case SWITCHDEV_ATTR_ID_PORT_PRE_BRIDGE_FLAGS:
923 err = ocelot_port_pre_bridge_flags(ocelot, port,
924 attr->u.brport_flags);
926 case SWITCHDEV_ATTR_ID_PORT_BRIDGE_FLAGS:
927 ocelot_port_bridge_flags(ocelot, port, attr->u.brport_flags);
937 static int ocelot_vlan_vid_prepare(struct net_device *dev, u16 vid, bool pvid,
938 bool untagged, struct netlink_ext_ack *extack)
940 struct ocelot_port_private *priv = netdev_priv(dev);
941 struct ocelot_port *ocelot_port = &priv->port;
942 struct ocelot *ocelot = ocelot_port->ocelot;
943 int port = priv->chip_port;
945 return ocelot_vlan_prepare(ocelot, port, vid, pvid, untagged, extack);
948 static int ocelot_port_obj_add_vlan(struct net_device *dev,
949 const struct switchdev_obj_port_vlan *vlan,
950 struct netlink_ext_ack *extack)
952 bool untagged = vlan->flags & BRIDGE_VLAN_INFO_UNTAGGED;
953 bool pvid = vlan->flags & BRIDGE_VLAN_INFO_PVID;
956 ret = ocelot_vlan_vid_prepare(dev, vlan->vid, pvid, untagged, extack);
960 return ocelot_vlan_vid_add(dev, vlan->vid, pvid, untagged);
963 static int ocelot_port_obj_add_mdb(struct net_device *dev,
964 const struct switchdev_obj_port_mdb *mdb)
966 struct ocelot_port_private *priv = netdev_priv(dev);
967 struct ocelot_port *ocelot_port = &priv->port;
968 struct ocelot *ocelot = ocelot_port->ocelot;
969 int port = priv->chip_port;
971 return ocelot_port_mdb_add(ocelot, port, mdb);
974 static int ocelot_port_obj_del_mdb(struct net_device *dev,
975 const struct switchdev_obj_port_mdb *mdb)
977 struct ocelot_port_private *priv = netdev_priv(dev);
978 struct ocelot_port *ocelot_port = &priv->port;
979 struct ocelot *ocelot = ocelot_port->ocelot;
980 int port = priv->chip_port;
982 return ocelot_port_mdb_del(ocelot, port, mdb);
985 static int ocelot_port_obj_mrp_add(struct net_device *dev,
986 const struct switchdev_obj_mrp *mrp)
988 struct ocelot_port_private *priv = netdev_priv(dev);
989 struct ocelot_port *ocelot_port = &priv->port;
990 struct ocelot *ocelot = ocelot_port->ocelot;
991 int port = priv->chip_port;
993 return ocelot_mrp_add(ocelot, port, mrp);
996 static int ocelot_port_obj_mrp_del(struct net_device *dev,
997 const struct switchdev_obj_mrp *mrp)
999 struct ocelot_port_private *priv = netdev_priv(dev);
1000 struct ocelot_port *ocelot_port = &priv->port;
1001 struct ocelot *ocelot = ocelot_port->ocelot;
1002 int port = priv->chip_port;
1004 return ocelot_mrp_del(ocelot, port, mrp);
1008 ocelot_port_obj_mrp_add_ring_role(struct net_device *dev,
1009 const struct switchdev_obj_ring_role_mrp *mrp)
1011 struct ocelot_port_private *priv = netdev_priv(dev);
1012 struct ocelot_port *ocelot_port = &priv->port;
1013 struct ocelot *ocelot = ocelot_port->ocelot;
1014 int port = priv->chip_port;
1016 return ocelot_mrp_add_ring_role(ocelot, port, mrp);
1020 ocelot_port_obj_mrp_del_ring_role(struct net_device *dev,
1021 const struct switchdev_obj_ring_role_mrp *mrp)
1023 struct ocelot_port_private *priv = netdev_priv(dev);
1024 struct ocelot_port *ocelot_port = &priv->port;
1025 struct ocelot *ocelot = ocelot_port->ocelot;
1026 int port = priv->chip_port;
1028 return ocelot_mrp_del_ring_role(ocelot, port, mrp);
1031 static int ocelot_port_obj_add(struct net_device *dev, const void *ctx,
1032 const struct switchdev_obj *obj,
1033 struct netlink_ext_ack *extack)
1035 struct ocelot_port_private *priv = netdev_priv(dev);
1038 if (ctx && ctx != priv)
1042 case SWITCHDEV_OBJ_ID_PORT_VLAN:
1043 ret = ocelot_port_obj_add_vlan(dev,
1044 SWITCHDEV_OBJ_PORT_VLAN(obj),
1047 case SWITCHDEV_OBJ_ID_PORT_MDB:
1048 ret = ocelot_port_obj_add_mdb(dev, SWITCHDEV_OBJ_PORT_MDB(obj));
1050 case SWITCHDEV_OBJ_ID_MRP:
1051 ret = ocelot_port_obj_mrp_add(dev, SWITCHDEV_OBJ_MRP(obj));
1053 case SWITCHDEV_OBJ_ID_RING_ROLE_MRP:
1054 ret = ocelot_port_obj_mrp_add_ring_role(dev,
1055 SWITCHDEV_OBJ_RING_ROLE_MRP(obj));
1064 static int ocelot_port_obj_del(struct net_device *dev, const void *ctx,
1065 const struct switchdev_obj *obj)
1067 struct ocelot_port_private *priv = netdev_priv(dev);
1070 if (ctx && ctx != priv)
1074 case SWITCHDEV_OBJ_ID_PORT_VLAN:
1075 ret = ocelot_vlan_vid_del(dev,
1076 SWITCHDEV_OBJ_PORT_VLAN(obj)->vid);
1078 case SWITCHDEV_OBJ_ID_PORT_MDB:
1079 ret = ocelot_port_obj_del_mdb(dev, SWITCHDEV_OBJ_PORT_MDB(obj));
1081 case SWITCHDEV_OBJ_ID_MRP:
1082 ret = ocelot_port_obj_mrp_del(dev, SWITCHDEV_OBJ_MRP(obj));
1084 case SWITCHDEV_OBJ_ID_RING_ROLE_MRP:
1085 ret = ocelot_port_obj_mrp_del_ring_role(dev,
1086 SWITCHDEV_OBJ_RING_ROLE_MRP(obj));
1095 static void ocelot_inherit_brport_flags(struct ocelot *ocelot, int port,
1096 struct net_device *brport_dev)
1098 struct switchdev_brport_flags flags = {0};
1101 flags.mask = BR_LEARNING | BR_FLOOD | BR_MCAST_FLOOD | BR_BCAST_FLOOD;
1103 for_each_set_bit(flag, &flags.mask, 32)
1104 if (br_port_flag_is_set(brport_dev, BIT(flag)))
1105 flags.val |= BIT(flag);
1107 ocelot_port_bridge_flags(ocelot, port, flags);
1110 static void ocelot_clear_brport_flags(struct ocelot *ocelot, int port)
1112 struct switchdev_brport_flags flags;
1114 flags.mask = BR_LEARNING | BR_FLOOD | BR_MCAST_FLOOD | BR_BCAST_FLOOD;
1115 flags.val = flags.mask & ~BR_LEARNING;
1117 ocelot_port_bridge_flags(ocelot, port, flags);
1120 static int ocelot_switchdev_sync(struct ocelot *ocelot, int port,
1121 struct net_device *brport_dev,
1122 struct net_device *bridge_dev,
1123 struct netlink_ext_ack *extack)
1125 clock_t ageing_time;
1128 ocelot_inherit_brport_flags(ocelot, port, brport_dev);
1130 stp_state = br_port_get_stp_state(brport_dev);
1131 ocelot_bridge_stp_state_set(ocelot, port, stp_state);
1133 ageing_time = br_get_ageing_time(bridge_dev);
1134 ocelot_port_attr_ageing_set(ocelot, port, ageing_time);
1136 return ocelot_port_vlan_filtering(ocelot, port,
1137 br_vlan_enabled(bridge_dev),
1141 static int ocelot_switchdev_unsync(struct ocelot *ocelot, int port)
1145 err = ocelot_port_vlan_filtering(ocelot, port, false, NULL);
1149 ocelot_clear_brport_flags(ocelot, port);
1151 ocelot_bridge_stp_state_set(ocelot, port, BR_STATE_FORWARDING);
1156 static int ocelot_netdevice_bridge_join(struct net_device *dev,
1157 struct net_device *brport_dev,
1158 struct net_device *bridge,
1159 struct netlink_ext_ack *extack)
1161 struct ocelot_port_private *priv = netdev_priv(dev);
1162 struct ocelot_port *ocelot_port = &priv->port;
1163 struct ocelot *ocelot = ocelot_port->ocelot;
1164 int port = priv->chip_port;
1167 ocelot_port_bridge_join(ocelot, port, bridge);
1169 err = switchdev_bridge_port_offload(brport_dev, dev, priv,
1170 &ocelot_netdevice_nb,
1171 &ocelot_switchdev_blocking_nb,
1174 goto err_switchdev_offload;
1176 err = ocelot_switchdev_sync(ocelot, port, brport_dev, bridge, extack);
1178 goto err_switchdev_sync;
1183 switchdev_bridge_port_unoffload(brport_dev, priv,
1184 &ocelot_netdevice_nb,
1185 &ocelot_switchdev_blocking_nb);
1186 err_switchdev_offload:
1187 ocelot_port_bridge_leave(ocelot, port, bridge);
1191 static void ocelot_netdevice_pre_bridge_leave(struct net_device *dev,
1192 struct net_device *brport_dev)
1194 struct ocelot_port_private *priv = netdev_priv(dev);
1196 switchdev_bridge_port_unoffload(brport_dev, priv,
1197 &ocelot_netdevice_nb,
1198 &ocelot_switchdev_blocking_nb);
1201 static int ocelot_netdevice_bridge_leave(struct net_device *dev,
1202 struct net_device *brport_dev,
1203 struct net_device *bridge)
1205 struct ocelot_port_private *priv = netdev_priv(dev);
1206 struct ocelot_port *ocelot_port = &priv->port;
1207 struct ocelot *ocelot = ocelot_port->ocelot;
1208 int port = priv->chip_port;
1211 err = ocelot_switchdev_unsync(ocelot, port);
1215 ocelot_port_bridge_leave(ocelot, port, bridge);
1220 static int ocelot_netdevice_lag_join(struct net_device *dev,
1221 struct net_device *bond,
1222 struct netdev_lag_upper_info *info,
1223 struct netlink_ext_ack *extack)
1225 struct ocelot_port_private *priv = netdev_priv(dev);
1226 struct ocelot_port *ocelot_port = &priv->port;
1227 struct ocelot *ocelot = ocelot_port->ocelot;
1228 struct net_device *bridge_dev;
1229 int port = priv->chip_port;
1232 err = ocelot_port_lag_join(ocelot, port, bond, info);
1233 if (err == -EOPNOTSUPP) {
1234 NL_SET_ERR_MSG_MOD(extack, "Offloading not supported");
1238 bridge_dev = netdev_master_upper_dev_get(bond);
1239 if (!bridge_dev || !netif_is_bridge_master(bridge_dev))
1242 err = ocelot_netdevice_bridge_join(dev, bond, bridge_dev, extack);
1244 goto err_bridge_join;
1249 ocelot_port_lag_leave(ocelot, port, bond);
1253 static void ocelot_netdevice_pre_lag_leave(struct net_device *dev,
1254 struct net_device *bond)
1256 struct net_device *bridge_dev;
1258 bridge_dev = netdev_master_upper_dev_get(bond);
1259 if (!bridge_dev || !netif_is_bridge_master(bridge_dev))
1262 ocelot_netdevice_pre_bridge_leave(dev, bond);
1265 static int ocelot_netdevice_lag_leave(struct net_device *dev,
1266 struct net_device *bond)
1268 struct ocelot_port_private *priv = netdev_priv(dev);
1269 struct ocelot_port *ocelot_port = &priv->port;
1270 struct ocelot *ocelot = ocelot_port->ocelot;
1271 struct net_device *bridge_dev;
1272 int port = priv->chip_port;
1274 ocelot_port_lag_leave(ocelot, port, bond);
1276 bridge_dev = netdev_master_upper_dev_get(bond);
1277 if (!bridge_dev || !netif_is_bridge_master(bridge_dev))
1280 return ocelot_netdevice_bridge_leave(dev, bond, bridge_dev);
1283 static int ocelot_netdevice_changeupper(struct net_device *dev,
1284 struct net_device *brport_dev,
1285 struct netdev_notifier_changeupper_info *info)
1287 struct netlink_ext_ack *extack;
1290 extack = netdev_notifier_info_to_extack(&info->info);
1292 if (netif_is_bridge_master(info->upper_dev)) {
1294 err = ocelot_netdevice_bridge_join(dev, brport_dev,
1298 err = ocelot_netdevice_bridge_leave(dev, brport_dev,
1301 if (netif_is_lag_master(info->upper_dev)) {
1303 err = ocelot_netdevice_lag_join(dev, info->upper_dev,
1304 info->upper_info, extack);
1306 ocelot_netdevice_lag_leave(dev, info->upper_dev);
1309 return notifier_from_errno(err);
1312 /* Treat CHANGEUPPER events on an offloaded LAG as individual CHANGEUPPER
1313 * events for the lower physical ports of the LAG.
1314 * If the LAG upper isn't offloaded, ignore its CHANGEUPPER events.
1315 * In case the LAG joined a bridge, notify that we are offloading it and can do
1316 * forwarding in hardware towards it.
1319 ocelot_netdevice_lag_changeupper(struct net_device *dev,
1320 struct netdev_notifier_changeupper_info *info)
1322 struct net_device *lower;
1323 struct list_head *iter;
1324 int err = NOTIFY_DONE;
1326 netdev_for_each_lower_dev(dev, lower, iter) {
1327 struct ocelot_port_private *priv = netdev_priv(lower);
1328 struct ocelot_port *ocelot_port = &priv->port;
1330 if (ocelot_port->bond != dev)
1333 err = ocelot_netdevice_changeupper(lower, dev, info);
1335 return notifier_from_errno(err);
1342 ocelot_netdevice_prechangeupper(struct net_device *dev,
1343 struct net_device *brport_dev,
1344 struct netdev_notifier_changeupper_info *info)
1346 if (netif_is_bridge_master(info->upper_dev) && !info->linking)
1347 ocelot_netdevice_pre_bridge_leave(dev, brport_dev);
1349 if (netif_is_lag_master(info->upper_dev) && !info->linking)
1350 ocelot_netdevice_pre_lag_leave(dev, info->upper_dev);
1356 ocelot_netdevice_lag_prechangeupper(struct net_device *dev,
1357 struct netdev_notifier_changeupper_info *info)
1359 struct net_device *lower;
1360 struct list_head *iter;
1361 int err = NOTIFY_DONE;
1363 netdev_for_each_lower_dev(dev, lower, iter) {
1364 struct ocelot_port_private *priv = netdev_priv(lower);
1365 struct ocelot_port *ocelot_port = &priv->port;
1367 if (ocelot_port->bond != dev)
1370 err = ocelot_netdevice_prechangeupper(dev, lower, info);
1379 ocelot_netdevice_changelowerstate(struct net_device *dev,
1380 struct netdev_lag_lower_state_info *info)
1382 struct ocelot_port_private *priv = netdev_priv(dev);
1383 bool is_active = info->link_up && info->tx_enabled;
1384 struct ocelot_port *ocelot_port = &priv->port;
1385 struct ocelot *ocelot = ocelot_port->ocelot;
1386 int port = priv->chip_port;
1388 if (!ocelot_port->bond)
1391 if (ocelot_port->lag_tx_active == is_active)
1394 ocelot_port_lag_change(ocelot, port, is_active);
1399 static int ocelot_netdevice_event(struct notifier_block *unused,
1400 unsigned long event, void *ptr)
1402 struct net_device *dev = netdev_notifier_info_to_dev(ptr);
1405 case NETDEV_PRECHANGEUPPER: {
1406 struct netdev_notifier_changeupper_info *info = ptr;
1408 if (ocelot_netdevice_dev_check(dev))
1409 return ocelot_netdevice_prechangeupper(dev, dev, info);
1411 if (netif_is_lag_master(dev))
1412 return ocelot_netdevice_lag_prechangeupper(dev, info);
1416 case NETDEV_CHANGEUPPER: {
1417 struct netdev_notifier_changeupper_info *info = ptr;
1419 if (ocelot_netdevice_dev_check(dev))
1420 return ocelot_netdevice_changeupper(dev, dev, info);
1422 if (netif_is_lag_master(dev))
1423 return ocelot_netdevice_lag_changeupper(dev, info);
1427 case NETDEV_CHANGELOWERSTATE: {
1428 struct netdev_notifier_changelowerstate_info *info = ptr;
1430 if (!ocelot_netdevice_dev_check(dev))
1433 return ocelot_netdevice_changelowerstate(dev,
1434 info->lower_state_info);
1443 struct notifier_block ocelot_netdevice_nb __read_mostly = {
1444 .notifier_call = ocelot_netdevice_event,
1447 static int ocelot_switchdev_event(struct notifier_block *unused,
1448 unsigned long event, void *ptr)
1450 struct net_device *dev = switchdev_notifier_info_to_dev(ptr);
1454 case SWITCHDEV_PORT_ATTR_SET:
1455 err = switchdev_handle_port_attr_set(dev, ptr,
1456 ocelot_netdevice_dev_check,
1457 ocelot_port_attr_set);
1458 return notifier_from_errno(err);
1464 struct notifier_block ocelot_switchdev_nb __read_mostly = {
1465 .notifier_call = ocelot_switchdev_event,
1468 static int ocelot_switchdev_blocking_event(struct notifier_block *unused,
1469 unsigned long event, void *ptr)
1471 struct net_device *dev = switchdev_notifier_info_to_dev(ptr);
1475 /* Blocking events. */
1476 case SWITCHDEV_PORT_OBJ_ADD:
1477 err = switchdev_handle_port_obj_add(dev, ptr,
1478 ocelot_netdevice_dev_check,
1479 ocelot_port_obj_add);
1480 return notifier_from_errno(err);
1481 case SWITCHDEV_PORT_OBJ_DEL:
1482 err = switchdev_handle_port_obj_del(dev, ptr,
1483 ocelot_netdevice_dev_check,
1484 ocelot_port_obj_del);
1485 return notifier_from_errno(err);
1486 case SWITCHDEV_PORT_ATTR_SET:
1487 err = switchdev_handle_port_attr_set(dev, ptr,
1488 ocelot_netdevice_dev_check,
1489 ocelot_port_attr_set);
1490 return notifier_from_errno(err);
1496 struct notifier_block ocelot_switchdev_blocking_nb __read_mostly = {
1497 .notifier_call = ocelot_switchdev_blocking_event,
1500 static void vsc7514_phylink_validate(struct phylink_config *config,
1501 unsigned long *supported,
1502 struct phylink_link_state *state)
1504 struct net_device *ndev = to_net_dev(config->dev);
1505 struct ocelot_port_private *priv = netdev_priv(ndev);
1506 struct ocelot_port *ocelot_port = &priv->port;
1507 __ETHTOOL_DECLARE_LINK_MODE_MASK(mask) = {};
1509 if (state->interface != PHY_INTERFACE_MODE_NA &&
1510 state->interface != ocelot_port->phy_mode) {
1511 bitmap_zero(supported, __ETHTOOL_LINK_MODE_MASK_NBITS);
1515 phylink_set_port_modes(mask);
1517 phylink_set(mask, Pause);
1518 phylink_set(mask, Autoneg);
1519 phylink_set(mask, Asym_Pause);
1520 phylink_set(mask, 10baseT_Half);
1521 phylink_set(mask, 10baseT_Full);
1522 phylink_set(mask, 100baseT_Half);
1523 phylink_set(mask, 100baseT_Full);
1524 phylink_set(mask, 1000baseT_Half);
1525 phylink_set(mask, 1000baseT_Full);
1526 phylink_set(mask, 1000baseX_Full);
1527 phylink_set(mask, 2500baseT_Full);
1528 phylink_set(mask, 2500baseX_Full);
1530 bitmap_and(supported, supported, mask, __ETHTOOL_LINK_MODE_MASK_NBITS);
1531 bitmap_and(state->advertising, state->advertising, mask,
1532 __ETHTOOL_LINK_MODE_MASK_NBITS);
1535 static void vsc7514_phylink_mac_config(struct phylink_config *config,
1536 unsigned int link_an_mode,
1537 const struct phylink_link_state *state)
1539 struct net_device *ndev = to_net_dev(config->dev);
1540 struct ocelot_port_private *priv = netdev_priv(ndev);
1541 struct ocelot_port *ocelot_port = &priv->port;
1543 /* Disable HDX fast control */
1544 ocelot_port_writel(ocelot_port, DEV_PORT_MISC_HDX_FAST_DIS,
1547 /* SGMII only for now */
1548 ocelot_port_writel(ocelot_port, PCS1G_MODE_CFG_SGMII_MODE_ENA,
1550 ocelot_port_writel(ocelot_port, PCS1G_SD_CFG_SD_SEL, PCS1G_SD_CFG);
1553 ocelot_port_writel(ocelot_port, PCS1G_CFG_PCS_ENA, PCS1G_CFG);
1555 /* No aneg on SGMII */
1556 ocelot_port_writel(ocelot_port, 0, PCS1G_ANEG_CFG);
1559 ocelot_port_writel(ocelot_port, 0, PCS1G_LB_CFG);
1562 static void vsc7514_phylink_mac_link_down(struct phylink_config *config,
1563 unsigned int link_an_mode,
1564 phy_interface_t interface)
1566 struct net_device *ndev = to_net_dev(config->dev);
1567 struct ocelot_port_private *priv = netdev_priv(ndev);
1568 struct ocelot *ocelot = priv->port.ocelot;
1569 int port = priv->chip_port;
1571 ocelot_phylink_mac_link_down(ocelot, port, link_an_mode, interface,
1575 static void vsc7514_phylink_mac_link_up(struct phylink_config *config,
1576 struct phy_device *phydev,
1577 unsigned int link_an_mode,
1578 phy_interface_t interface,
1579 int speed, int duplex,
1580 bool tx_pause, bool rx_pause)
1582 struct net_device *ndev = to_net_dev(config->dev);
1583 struct ocelot_port_private *priv = netdev_priv(ndev);
1584 struct ocelot *ocelot = priv->port.ocelot;
1585 int port = priv->chip_port;
1587 ocelot_phylink_mac_link_up(ocelot, port, phydev, link_an_mode,
1588 interface, speed, duplex,
1589 tx_pause, rx_pause, OCELOT_MAC_QUIRKS);
1592 static const struct phylink_mac_ops ocelot_phylink_ops = {
1593 .validate = vsc7514_phylink_validate,
1594 .mac_config = vsc7514_phylink_mac_config,
1595 .mac_link_down = vsc7514_phylink_mac_link_down,
1596 .mac_link_up = vsc7514_phylink_mac_link_up,
1599 static int ocelot_port_phylink_create(struct ocelot *ocelot, int port,
1600 struct device_node *portnp)
1602 struct ocelot_port *ocelot_port = ocelot->ports[port];
1603 struct ocelot_port_private *priv;
1604 struct device *dev = ocelot->dev;
1605 phy_interface_t phy_mode;
1606 struct phylink *phylink;
1609 of_get_phy_mode(portnp, &phy_mode);
1610 /* DT bindings of internal PHY ports are broken and don't
1611 * specify a phy-mode
1613 if (phy_mode == PHY_INTERFACE_MODE_NA)
1614 phy_mode = PHY_INTERFACE_MODE_INTERNAL;
1616 if (phy_mode != PHY_INTERFACE_MODE_SGMII &&
1617 phy_mode != PHY_INTERFACE_MODE_QSGMII &&
1618 phy_mode != PHY_INTERFACE_MODE_INTERNAL) {
1619 dev_err(dev, "unsupported phy mode %s for port %d\n",
1620 phy_modes(phy_mode), port);
1624 /* Ensure clock signals and speed are set on all QSGMII links */
1625 if (phy_mode == PHY_INTERFACE_MODE_QSGMII)
1626 ocelot_port_rmwl(ocelot_port, 0,
1627 DEV_CLOCK_CFG_MAC_TX_RST |
1628 DEV_CLOCK_CFG_MAC_TX_RST,
1631 ocelot_port->phy_mode = phy_mode;
1633 if (phy_mode != PHY_INTERFACE_MODE_INTERNAL) {
1634 struct phy *serdes = of_phy_get(portnp, NULL);
1636 if (IS_ERR(serdes)) {
1637 err = PTR_ERR(serdes);
1638 dev_err_probe(dev, err,
1639 "missing SerDes phys for port %d\n",
1644 err = phy_set_mode_ext(serdes, PHY_MODE_ETHERNET, phy_mode);
1647 dev_err(dev, "Could not SerDes mode on port %d: %pe\n",
1648 port, ERR_PTR(err));
1653 priv = container_of(ocelot_port, struct ocelot_port_private, port);
1655 priv->phylink_config.dev = &priv->dev->dev;
1656 priv->phylink_config.type = PHYLINK_NETDEV;
1658 phylink = phylink_create(&priv->phylink_config,
1659 of_fwnode_handle(portnp),
1660 phy_mode, &ocelot_phylink_ops);
1661 if (IS_ERR(phylink)) {
1662 err = PTR_ERR(phylink);
1663 dev_err(dev, "Could not create phylink (%pe)\n", phylink);
1667 priv->phylink = phylink;
1669 err = phylink_of_phy_connect(phylink, portnp, 0);
1671 dev_err(dev, "Could not connect to PHY: %pe\n", ERR_PTR(err));
1672 phylink_destroy(phylink);
1673 priv->phylink = NULL;
1680 int ocelot_probe_port(struct ocelot *ocelot, int port, struct regmap *target,
1681 struct device_node *portnp)
1683 struct ocelot_port_private *priv;
1684 struct ocelot_port *ocelot_port;
1685 struct net_device *dev;
1688 dev = alloc_etherdev(sizeof(struct ocelot_port_private));
1691 SET_NETDEV_DEV(dev, ocelot->dev);
1692 priv = netdev_priv(dev);
1694 priv->chip_port = port;
1695 ocelot_port = &priv->port;
1696 ocelot_port->ocelot = ocelot;
1697 ocelot_port->target = target;
1698 ocelot->ports[port] = ocelot_port;
1700 dev->netdev_ops = &ocelot_port_netdev_ops;
1701 dev->ethtool_ops = &ocelot_ethtool_ops;
1703 dev->hw_features |= NETIF_F_HW_VLAN_CTAG_FILTER | NETIF_F_RXFCS |
1705 dev->features |= NETIF_F_HW_VLAN_CTAG_FILTER | NETIF_F_HW_TC;
1707 memcpy(dev->dev_addr, ocelot->base_mac, ETH_ALEN);
1708 dev->dev_addr[ETH_ALEN - 1] += port;
1709 ocelot_mact_learn(ocelot, PGID_CPU, dev->dev_addr,
1710 ocelot_port->pvid_vlan.vid, ENTRYTYPE_LOCKED);
1712 ocelot_init_port(ocelot, port);
1714 err = ocelot_port_phylink_create(ocelot, port, portnp);
1718 err = register_netdev(dev);
1720 dev_err(ocelot->dev, "register_netdev failed\n");
1727 ocelot->ports[port] = NULL;
1733 void ocelot_release_port(struct ocelot_port *ocelot_port)
1735 struct ocelot_port_private *priv = container_of(ocelot_port,
1736 struct ocelot_port_private,
1739 unregister_netdev(priv->dev);
1741 if (priv->phylink) {
1743 phylink_disconnect_phy(priv->phylink);
1746 phylink_destroy(priv->phylink);
1749 free_netdev(priv->dev);