1907 lines
50 KiB
C
1907 lines
50 KiB
C
// SPDX-License-Identifier: (GPL-2.0 OR MIT)
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/* Microsemi Ocelot Switch driver
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*
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* This contains glue logic between the switchdev driver operations and the
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* mscc_ocelot_switch_lib.
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*
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* Copyright (c) 2017, 2019 Microsemi Corporation
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* Copyright 2020-2021 NXP
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*/
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#include <linux/dsa/ocelot.h>
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#include <linux/if_bridge.h>
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#include <linux/of_net.h>
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#include <linux/phy/phy.h>
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#include <net/pkt_cls.h>
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#include "ocelot.h"
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#include "ocelot_police.h"
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#include "ocelot_vcap.h"
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#include "ocelot_fdma.h"
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#define OCELOT_MAC_QUIRKS OCELOT_QUIRK_QSGMII_PORTS_MUST_BE_UP
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struct ocelot_dump_ctx {
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struct net_device *dev;
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struct sk_buff *skb;
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struct netlink_callback *cb;
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int idx;
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};
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static bool ocelot_netdevice_dev_check(const struct net_device *dev);
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static struct ocelot *devlink_port_to_ocelot(struct devlink_port *dlp)
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{
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return devlink_priv(dlp->devlink);
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}
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static int devlink_port_to_port(struct devlink_port *dlp)
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{
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struct ocelot *ocelot = devlink_port_to_ocelot(dlp);
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return dlp - ocelot->devlink_ports;
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}
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static int ocelot_devlink_sb_pool_get(struct devlink *dl,
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unsigned int sb_index, u16 pool_index,
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struct devlink_sb_pool_info *pool_info)
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{
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struct ocelot *ocelot = devlink_priv(dl);
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return ocelot_sb_pool_get(ocelot, sb_index, pool_index, pool_info);
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}
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static int ocelot_devlink_sb_pool_set(struct devlink *dl, unsigned int sb_index,
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u16 pool_index, u32 size,
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enum devlink_sb_threshold_type threshold_type,
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struct netlink_ext_ack *extack)
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{
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struct ocelot *ocelot = devlink_priv(dl);
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return ocelot_sb_pool_set(ocelot, sb_index, pool_index, size,
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threshold_type, extack);
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}
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static int ocelot_devlink_sb_port_pool_get(struct devlink_port *dlp,
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unsigned int sb_index, u16 pool_index,
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u32 *p_threshold)
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{
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struct ocelot *ocelot = devlink_port_to_ocelot(dlp);
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int port = devlink_port_to_port(dlp);
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return ocelot_sb_port_pool_get(ocelot, port, sb_index, pool_index,
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p_threshold);
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}
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static int ocelot_devlink_sb_port_pool_set(struct devlink_port *dlp,
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unsigned int sb_index, u16 pool_index,
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u32 threshold,
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struct netlink_ext_ack *extack)
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{
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struct ocelot *ocelot = devlink_port_to_ocelot(dlp);
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int port = devlink_port_to_port(dlp);
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return ocelot_sb_port_pool_set(ocelot, port, sb_index, pool_index,
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threshold, extack);
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}
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static int
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ocelot_devlink_sb_tc_pool_bind_get(struct devlink_port *dlp,
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unsigned int sb_index, u16 tc_index,
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enum devlink_sb_pool_type pool_type,
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u16 *p_pool_index, u32 *p_threshold)
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{
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struct ocelot *ocelot = devlink_port_to_ocelot(dlp);
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int port = devlink_port_to_port(dlp);
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return ocelot_sb_tc_pool_bind_get(ocelot, port, sb_index, tc_index,
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pool_type, p_pool_index,
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p_threshold);
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}
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static int
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ocelot_devlink_sb_tc_pool_bind_set(struct devlink_port *dlp,
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unsigned int sb_index, u16 tc_index,
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enum devlink_sb_pool_type pool_type,
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u16 pool_index, u32 threshold,
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struct netlink_ext_ack *extack)
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{
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struct ocelot *ocelot = devlink_port_to_ocelot(dlp);
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int port = devlink_port_to_port(dlp);
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return ocelot_sb_tc_pool_bind_set(ocelot, port, sb_index, tc_index,
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pool_type, pool_index, threshold,
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extack);
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}
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static int ocelot_devlink_sb_occ_snapshot(struct devlink *dl,
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unsigned int sb_index)
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{
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struct ocelot *ocelot = devlink_priv(dl);
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return ocelot_sb_occ_snapshot(ocelot, sb_index);
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}
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static int ocelot_devlink_sb_occ_max_clear(struct devlink *dl,
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unsigned int sb_index)
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{
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struct ocelot *ocelot = devlink_priv(dl);
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return ocelot_sb_occ_max_clear(ocelot, sb_index);
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}
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static int ocelot_devlink_sb_occ_port_pool_get(struct devlink_port *dlp,
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unsigned int sb_index,
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u16 pool_index, u32 *p_cur,
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u32 *p_max)
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{
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struct ocelot *ocelot = devlink_port_to_ocelot(dlp);
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int port = devlink_port_to_port(dlp);
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return ocelot_sb_occ_port_pool_get(ocelot, port, sb_index, pool_index,
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p_cur, p_max);
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}
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static int
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ocelot_devlink_sb_occ_tc_port_bind_get(struct devlink_port *dlp,
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unsigned int sb_index, u16 tc_index,
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enum devlink_sb_pool_type pool_type,
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u32 *p_cur, u32 *p_max)
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{
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struct ocelot *ocelot = devlink_port_to_ocelot(dlp);
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int port = devlink_port_to_port(dlp);
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return ocelot_sb_occ_tc_port_bind_get(ocelot, port, sb_index,
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tc_index, pool_type,
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p_cur, p_max);
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}
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const struct devlink_ops ocelot_devlink_ops = {
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.sb_pool_get = ocelot_devlink_sb_pool_get,
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.sb_pool_set = ocelot_devlink_sb_pool_set,
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.sb_port_pool_get = ocelot_devlink_sb_port_pool_get,
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.sb_port_pool_set = ocelot_devlink_sb_port_pool_set,
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.sb_tc_pool_bind_get = ocelot_devlink_sb_tc_pool_bind_get,
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.sb_tc_pool_bind_set = ocelot_devlink_sb_tc_pool_bind_set,
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.sb_occ_snapshot = ocelot_devlink_sb_occ_snapshot,
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.sb_occ_max_clear = ocelot_devlink_sb_occ_max_clear,
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.sb_occ_port_pool_get = ocelot_devlink_sb_occ_port_pool_get,
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.sb_occ_tc_port_bind_get = ocelot_devlink_sb_occ_tc_port_bind_get,
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};
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int ocelot_port_devlink_init(struct ocelot *ocelot, int port,
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enum devlink_port_flavour flavour)
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{
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struct devlink_port *dlp = &ocelot->devlink_ports[port];
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int id_len = sizeof(ocelot->base_mac);
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struct devlink *dl = ocelot->devlink;
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struct devlink_port_attrs attrs = {};
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memset(dlp, 0, sizeof(*dlp));
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memcpy(attrs.switch_id.id, &ocelot->base_mac, id_len);
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attrs.switch_id.id_len = id_len;
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attrs.phys.port_number = port;
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attrs.flavour = flavour;
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devlink_port_attrs_set(dlp, &attrs);
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return devlink_port_register(dl, dlp, port);
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}
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void ocelot_port_devlink_teardown(struct ocelot *ocelot, int port)
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{
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struct devlink_port *dlp = &ocelot->devlink_ports[port];
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devlink_port_unregister(dlp);
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}
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int ocelot_setup_tc_cls_flower(struct ocelot_port_private *priv,
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struct flow_cls_offload *f,
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bool ingress)
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{
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struct ocelot *ocelot = priv->port.ocelot;
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int port = priv->port.index;
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if (!ingress)
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return -EOPNOTSUPP;
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switch (f->command) {
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case FLOW_CLS_REPLACE:
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return ocelot_cls_flower_replace(ocelot, port, f, ingress);
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case FLOW_CLS_DESTROY:
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return ocelot_cls_flower_destroy(ocelot, port, f, ingress);
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case FLOW_CLS_STATS:
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return ocelot_cls_flower_stats(ocelot, port, f, ingress);
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default:
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return -EOPNOTSUPP;
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}
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}
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static int ocelot_setup_tc_cls_matchall_police(struct ocelot_port_private *priv,
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struct tc_cls_matchall_offload *f,
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bool ingress,
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struct netlink_ext_ack *extack)
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{
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struct flow_action_entry *action = &f->rule->action.entries[0];
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struct ocelot *ocelot = priv->port.ocelot;
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struct ocelot_policer pol = { 0 };
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int port = priv->port.index;
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int err;
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if (!ingress) {
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NL_SET_ERR_MSG_MOD(extack, "Only ingress is supported");
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return -EOPNOTSUPP;
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}
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if (priv->tc.police_id && priv->tc.police_id != f->cookie) {
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NL_SET_ERR_MSG_MOD(extack,
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"Only one policer per port is supported");
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return -EEXIST;
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}
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err = ocelot_policer_validate(&f->rule->action, action, extack);
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if (err)
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return err;
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pol.rate = (u32)div_u64(action->police.rate_bytes_ps, 1000) * 8;
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pol.burst = action->police.burst;
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err = ocelot_port_policer_add(ocelot, port, &pol);
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if (err) {
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NL_SET_ERR_MSG_MOD(extack, "Could not add policer");
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return err;
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}
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priv->tc.police_id = f->cookie;
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priv->tc.offload_cnt++;
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return 0;
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}
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static int ocelot_setup_tc_cls_matchall_mirred(struct ocelot_port_private *priv,
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struct tc_cls_matchall_offload *f,
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bool ingress,
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struct netlink_ext_ack *extack)
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{
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struct flow_action *action = &f->rule->action;
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struct ocelot *ocelot = priv->port.ocelot;
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struct ocelot_port_private *other_priv;
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const struct flow_action_entry *a;
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int err;
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if (f->common.protocol != htons(ETH_P_ALL))
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return -EOPNOTSUPP;
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if (!flow_action_basic_hw_stats_check(action, extack))
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return -EOPNOTSUPP;
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a = &action->entries[0];
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if (!a->dev)
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return -EINVAL;
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if (!ocelot_netdevice_dev_check(a->dev)) {
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NL_SET_ERR_MSG_MOD(extack,
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"Destination not an ocelot port");
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return -EOPNOTSUPP;
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}
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other_priv = netdev_priv(a->dev);
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err = ocelot_port_mirror_add(ocelot, priv->port.index,
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other_priv->port.index, ingress, extack);
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if (err)
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return err;
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if (ingress)
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priv->tc.ingress_mirred_id = f->cookie;
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else
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priv->tc.egress_mirred_id = f->cookie;
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priv->tc.offload_cnt++;
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return 0;
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}
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static int ocelot_del_tc_cls_matchall_police(struct ocelot_port_private *priv,
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struct netlink_ext_ack *extack)
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{
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struct ocelot *ocelot = priv->port.ocelot;
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int port = priv->port.index;
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int err;
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err = ocelot_port_policer_del(ocelot, port);
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if (err) {
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NL_SET_ERR_MSG_MOD(extack,
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"Could not delete policer");
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return err;
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}
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priv->tc.police_id = 0;
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priv->tc.offload_cnt--;
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return 0;
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}
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static int ocelot_del_tc_cls_matchall_mirred(struct ocelot_port_private *priv,
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bool ingress,
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struct netlink_ext_ack *extack)
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{
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struct ocelot *ocelot = priv->port.ocelot;
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int port = priv->port.index;
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ocelot_port_mirror_del(ocelot, port, ingress);
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if (ingress)
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priv->tc.ingress_mirred_id = 0;
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else
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priv->tc.egress_mirred_id = 0;
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priv->tc.offload_cnt--;
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return 0;
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}
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static int ocelot_setup_tc_cls_matchall(struct ocelot_port_private *priv,
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struct tc_cls_matchall_offload *f,
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bool ingress)
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{
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struct netlink_ext_ack *extack = f->common.extack;
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struct flow_action_entry *action;
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switch (f->command) {
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case TC_CLSMATCHALL_REPLACE:
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if (!flow_offload_has_one_action(&f->rule->action)) {
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NL_SET_ERR_MSG_MOD(extack,
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"Only one action is supported");
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return -EOPNOTSUPP;
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}
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if (priv->tc.block_shared) {
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NL_SET_ERR_MSG_MOD(extack,
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"Matchall offloads not supported on shared blocks");
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return -EOPNOTSUPP;
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}
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action = &f->rule->action.entries[0];
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switch (action->id) {
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case FLOW_ACTION_POLICE:
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return ocelot_setup_tc_cls_matchall_police(priv, f,
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ingress,
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extack);
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break;
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case FLOW_ACTION_MIRRED:
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return ocelot_setup_tc_cls_matchall_mirred(priv, f,
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ingress,
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extack);
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default:
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NL_SET_ERR_MSG_MOD(extack, "Unsupported action");
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return -EOPNOTSUPP;
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}
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break;
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case TC_CLSMATCHALL_DESTROY:
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action = &f->rule->action.entries[0];
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if (f->cookie == priv->tc.police_id)
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return ocelot_del_tc_cls_matchall_police(priv, extack);
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else if (f->cookie == priv->tc.ingress_mirred_id ||
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f->cookie == priv->tc.egress_mirred_id)
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return ocelot_del_tc_cls_matchall_mirred(priv, ingress,
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extack);
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else
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return -ENOENT;
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break;
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case TC_CLSMATCHALL_STATS:
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default:
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return -EOPNOTSUPP;
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}
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}
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static int ocelot_setup_tc_block_cb(enum tc_setup_type type,
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void *type_data,
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void *cb_priv, bool ingress)
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{
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struct ocelot_port_private *priv = cb_priv;
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if (!tc_cls_can_offload_and_chain0(priv->dev, type_data))
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return -EOPNOTSUPP;
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switch (type) {
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case TC_SETUP_CLSMATCHALL:
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return ocelot_setup_tc_cls_matchall(priv, type_data, ingress);
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case TC_SETUP_CLSFLOWER:
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return ocelot_setup_tc_cls_flower(priv, type_data, ingress);
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default:
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return -EOPNOTSUPP;
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}
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}
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static int ocelot_setup_tc_block_cb_ig(enum tc_setup_type type,
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void *type_data,
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void *cb_priv)
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{
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return ocelot_setup_tc_block_cb(type, type_data,
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cb_priv, true);
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}
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static int ocelot_setup_tc_block_cb_eg(enum tc_setup_type type,
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void *type_data,
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void *cb_priv)
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{
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return ocelot_setup_tc_block_cb(type, type_data,
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cb_priv, false);
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}
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static LIST_HEAD(ocelot_block_cb_list);
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static int ocelot_setup_tc_block(struct ocelot_port_private *priv,
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struct flow_block_offload *f)
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{
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struct flow_block_cb *block_cb;
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flow_setup_cb_t *cb;
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if (f->binder_type == FLOW_BLOCK_BINDER_TYPE_CLSACT_INGRESS) {
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cb = ocelot_setup_tc_block_cb_ig;
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priv->tc.block_shared = f->block_shared;
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} else if (f->binder_type == FLOW_BLOCK_BINDER_TYPE_CLSACT_EGRESS) {
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cb = ocelot_setup_tc_block_cb_eg;
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} else {
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return -EOPNOTSUPP;
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}
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f->driver_block_list = &ocelot_block_cb_list;
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switch (f->command) {
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case FLOW_BLOCK_BIND:
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if (flow_block_cb_is_busy(cb, priv, &ocelot_block_cb_list))
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return -EBUSY;
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block_cb = flow_block_cb_alloc(cb, priv, priv, NULL);
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if (IS_ERR(block_cb))
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return PTR_ERR(block_cb);
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flow_block_cb_add(block_cb, f);
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list_add_tail(&block_cb->driver_list, f->driver_block_list);
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return 0;
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case FLOW_BLOCK_UNBIND:
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block_cb = flow_block_cb_lookup(f->block, cb, priv);
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if (!block_cb)
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return -ENOENT;
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flow_block_cb_remove(block_cb, f);
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list_del(&block_cb->driver_list);
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return 0;
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default:
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return -EOPNOTSUPP;
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}
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}
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static int ocelot_setup_tc(struct net_device *dev, enum tc_setup_type type,
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void *type_data)
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{
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struct ocelot_port_private *priv = netdev_priv(dev);
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switch (type) {
|
|
case TC_SETUP_BLOCK:
|
|
return ocelot_setup_tc_block(priv, type_data);
|
|
default:
|
|
return -EOPNOTSUPP;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static int ocelot_vlan_vid_add(struct net_device *dev, u16 vid, bool pvid,
|
|
bool untagged)
|
|
{
|
|
struct ocelot_port_private *priv = netdev_priv(dev);
|
|
struct ocelot_port *ocelot_port = &priv->port;
|
|
struct ocelot *ocelot = ocelot_port->ocelot;
|
|
int port = priv->port.index;
|
|
int ret;
|
|
|
|
ret = ocelot_vlan_add(ocelot, port, vid, pvid, untagged);
|
|
if (ret)
|
|
return ret;
|
|
|
|
/* Add the port MAC address to with the right VLAN information */
|
|
ocelot_mact_learn(ocelot, PGID_CPU, dev->dev_addr, vid,
|
|
ENTRYTYPE_LOCKED);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int ocelot_vlan_vid_del(struct net_device *dev, u16 vid)
|
|
{
|
|
struct ocelot_port_private *priv = netdev_priv(dev);
|
|
struct ocelot *ocelot = priv->port.ocelot;
|
|
int port = priv->port.index;
|
|
int ret;
|
|
|
|
/* 8021q removes VID 0 on module unload for all interfaces
|
|
* with VLAN filtering feature. We need to keep it to receive
|
|
* untagged traffic.
|
|
*/
|
|
if (vid == OCELOT_STANDALONE_PVID)
|
|
return 0;
|
|
|
|
ret = ocelot_vlan_del(ocelot, port, vid);
|
|
if (ret)
|
|
return ret;
|
|
|
|
/* Del the port MAC address to with the right VLAN information */
|
|
ocelot_mact_forget(ocelot, dev->dev_addr, vid);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int ocelot_port_open(struct net_device *dev)
|
|
{
|
|
struct ocelot_port_private *priv = netdev_priv(dev);
|
|
|
|
phylink_start(priv->phylink);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int ocelot_port_stop(struct net_device *dev)
|
|
{
|
|
struct ocelot_port_private *priv = netdev_priv(dev);
|
|
|
|
phylink_stop(priv->phylink);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static netdev_tx_t ocelot_port_xmit(struct sk_buff *skb, struct net_device *dev)
|
|
{
|
|
struct ocelot_port_private *priv = netdev_priv(dev);
|
|
struct ocelot_port *ocelot_port = &priv->port;
|
|
struct ocelot *ocelot = ocelot_port->ocelot;
|
|
int port = priv->port.index;
|
|
u32 rew_op = 0;
|
|
|
|
if (!static_branch_unlikely(&ocelot_fdma_enabled) &&
|
|
!ocelot_can_inject(ocelot, 0))
|
|
return NETDEV_TX_BUSY;
|
|
|
|
/* Check if timestamping is needed */
|
|
if (ocelot->ptp && (skb_shinfo(skb)->tx_flags & SKBTX_HW_TSTAMP)) {
|
|
struct sk_buff *clone = NULL;
|
|
|
|
if (ocelot_port_txtstamp_request(ocelot, port, skb, &clone)) {
|
|
kfree_skb(skb);
|
|
return NETDEV_TX_OK;
|
|
}
|
|
|
|
if (clone)
|
|
OCELOT_SKB_CB(skb)->clone = clone;
|
|
|
|
rew_op = ocelot_ptp_rew_op(skb);
|
|
}
|
|
|
|
if (static_branch_unlikely(&ocelot_fdma_enabled)) {
|
|
ocelot_fdma_inject_frame(ocelot, port, rew_op, skb, dev);
|
|
} else {
|
|
ocelot_port_inject_frame(ocelot, port, 0, rew_op, skb);
|
|
|
|
consume_skb(skb);
|
|
}
|
|
|
|
return NETDEV_TX_OK;
|
|
}
|
|
|
|
enum ocelot_action_type {
|
|
OCELOT_MACT_LEARN,
|
|
OCELOT_MACT_FORGET,
|
|
};
|
|
|
|
struct ocelot_mact_work_ctx {
|
|
struct work_struct work;
|
|
struct ocelot *ocelot;
|
|
enum ocelot_action_type type;
|
|
union {
|
|
/* OCELOT_MACT_LEARN */
|
|
struct {
|
|
unsigned char addr[ETH_ALEN];
|
|
u16 vid;
|
|
enum macaccess_entry_type entry_type;
|
|
int pgid;
|
|
} learn;
|
|
/* OCELOT_MACT_FORGET */
|
|
struct {
|
|
unsigned char addr[ETH_ALEN];
|
|
u16 vid;
|
|
} forget;
|
|
};
|
|
};
|
|
|
|
#define ocelot_work_to_ctx(x) \
|
|
container_of((x), struct ocelot_mact_work_ctx, work)
|
|
|
|
static void ocelot_mact_work(struct work_struct *work)
|
|
{
|
|
struct ocelot_mact_work_ctx *w = ocelot_work_to_ctx(work);
|
|
struct ocelot *ocelot = w->ocelot;
|
|
|
|
switch (w->type) {
|
|
case OCELOT_MACT_LEARN:
|
|
ocelot_mact_learn(ocelot, w->learn.pgid, w->learn.addr,
|
|
w->learn.vid, w->learn.entry_type);
|
|
break;
|
|
case OCELOT_MACT_FORGET:
|
|
ocelot_mact_forget(ocelot, w->forget.addr, w->forget.vid);
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
|
|
kfree(w);
|
|
}
|
|
|
|
static int ocelot_enqueue_mact_action(struct ocelot *ocelot,
|
|
const struct ocelot_mact_work_ctx *ctx)
|
|
{
|
|
struct ocelot_mact_work_ctx *w = kmemdup(ctx, sizeof(*w), GFP_ATOMIC);
|
|
|
|
if (!w)
|
|
return -ENOMEM;
|
|
|
|
w->ocelot = ocelot;
|
|
INIT_WORK(&w->work, ocelot_mact_work);
|
|
queue_work(ocelot->owq, &w->work);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int ocelot_mc_unsync(struct net_device *dev, const unsigned char *addr)
|
|
{
|
|
struct ocelot_port_private *priv = netdev_priv(dev);
|
|
struct ocelot_port *ocelot_port = &priv->port;
|
|
struct ocelot *ocelot = ocelot_port->ocelot;
|
|
struct ocelot_mact_work_ctx w;
|
|
|
|
ether_addr_copy(w.forget.addr, addr);
|
|
w.forget.vid = OCELOT_STANDALONE_PVID;
|
|
w.type = OCELOT_MACT_FORGET;
|
|
|
|
return ocelot_enqueue_mact_action(ocelot, &w);
|
|
}
|
|
|
|
static int ocelot_mc_sync(struct net_device *dev, const unsigned char *addr)
|
|
{
|
|
struct ocelot_port_private *priv = netdev_priv(dev);
|
|
struct ocelot_port *ocelot_port = &priv->port;
|
|
struct ocelot *ocelot = ocelot_port->ocelot;
|
|
struct ocelot_mact_work_ctx w;
|
|
|
|
ether_addr_copy(w.learn.addr, addr);
|
|
w.learn.vid = OCELOT_STANDALONE_PVID;
|
|
w.learn.pgid = PGID_CPU;
|
|
w.learn.entry_type = ENTRYTYPE_LOCKED;
|
|
w.type = OCELOT_MACT_LEARN;
|
|
|
|
return ocelot_enqueue_mact_action(ocelot, &w);
|
|
}
|
|
|
|
static void ocelot_set_rx_mode(struct net_device *dev)
|
|
{
|
|
struct ocelot_port_private *priv = netdev_priv(dev);
|
|
struct ocelot *ocelot = priv->port.ocelot;
|
|
u32 val;
|
|
int i;
|
|
|
|
/* This doesn't handle promiscuous mode because the bridge core is
|
|
* setting IFF_PROMISC on all slave interfaces and all frames would be
|
|
* forwarded to the CPU port.
|
|
*/
|
|
val = GENMASK(ocelot->num_phys_ports - 1, 0);
|
|
for_each_nonreserved_multicast_dest_pgid(ocelot, i)
|
|
ocelot_write_rix(ocelot, val, ANA_PGID_PGID, i);
|
|
|
|
__dev_mc_sync(dev, ocelot_mc_sync, ocelot_mc_unsync);
|
|
}
|
|
|
|
static int ocelot_port_set_mac_address(struct net_device *dev, void *p)
|
|
{
|
|
struct ocelot_port_private *priv = netdev_priv(dev);
|
|
struct ocelot_port *ocelot_port = &priv->port;
|
|
struct ocelot *ocelot = ocelot_port->ocelot;
|
|
const struct sockaddr *addr = p;
|
|
|
|
/* Learn the new net device MAC address in the mac table. */
|
|
ocelot_mact_learn(ocelot, PGID_CPU, addr->sa_data,
|
|
OCELOT_STANDALONE_PVID, ENTRYTYPE_LOCKED);
|
|
/* Then forget the previous one. */
|
|
ocelot_mact_forget(ocelot, dev->dev_addr, OCELOT_STANDALONE_PVID);
|
|
|
|
eth_hw_addr_set(dev, addr->sa_data);
|
|
return 0;
|
|
}
|
|
|
|
static void ocelot_get_stats64(struct net_device *dev,
|
|
struct rtnl_link_stats64 *stats)
|
|
{
|
|
struct ocelot_port_private *priv = netdev_priv(dev);
|
|
struct ocelot *ocelot = priv->port.ocelot;
|
|
int port = priv->port.index;
|
|
|
|
return ocelot_port_get_stats64(ocelot, port, stats);
|
|
}
|
|
|
|
static int ocelot_port_fdb_add(struct ndmsg *ndm, struct nlattr *tb[],
|
|
struct net_device *dev,
|
|
const unsigned char *addr,
|
|
u16 vid, u16 flags,
|
|
struct netlink_ext_ack *extack)
|
|
{
|
|
struct ocelot_port_private *priv = netdev_priv(dev);
|
|
struct ocelot_port *ocelot_port = &priv->port;
|
|
struct ocelot *ocelot = ocelot_port->ocelot;
|
|
int port = priv->port.index;
|
|
|
|
return ocelot_fdb_add(ocelot, port, addr, vid, ocelot_port->bridge);
|
|
}
|
|
|
|
static int ocelot_port_fdb_del(struct ndmsg *ndm, struct nlattr *tb[],
|
|
struct net_device *dev,
|
|
const unsigned char *addr, u16 vid,
|
|
struct netlink_ext_ack *extack)
|
|
{
|
|
struct ocelot_port_private *priv = netdev_priv(dev);
|
|
struct ocelot_port *ocelot_port = &priv->port;
|
|
struct ocelot *ocelot = ocelot_port->ocelot;
|
|
int port = priv->port.index;
|
|
|
|
return ocelot_fdb_del(ocelot, port, addr, vid, ocelot_port->bridge);
|
|
}
|
|
|
|
static int ocelot_port_fdb_do_dump(const unsigned char *addr, u16 vid,
|
|
bool is_static, void *data)
|
|
{
|
|
struct ocelot_dump_ctx *dump = data;
|
|
u32 portid = NETLINK_CB(dump->cb->skb).portid;
|
|
u32 seq = dump->cb->nlh->nlmsg_seq;
|
|
struct nlmsghdr *nlh;
|
|
struct ndmsg *ndm;
|
|
|
|
if (dump->idx < dump->cb->args[2])
|
|
goto skip;
|
|
|
|
nlh = nlmsg_put(dump->skb, portid, seq, RTM_NEWNEIGH,
|
|
sizeof(*ndm), NLM_F_MULTI);
|
|
if (!nlh)
|
|
return -EMSGSIZE;
|
|
|
|
ndm = nlmsg_data(nlh);
|
|
ndm->ndm_family = AF_BRIDGE;
|
|
ndm->ndm_pad1 = 0;
|
|
ndm->ndm_pad2 = 0;
|
|
ndm->ndm_flags = NTF_SELF;
|
|
ndm->ndm_type = 0;
|
|
ndm->ndm_ifindex = dump->dev->ifindex;
|
|
ndm->ndm_state = is_static ? NUD_NOARP : NUD_REACHABLE;
|
|
|
|
if (nla_put(dump->skb, NDA_LLADDR, ETH_ALEN, addr))
|
|
goto nla_put_failure;
|
|
|
|
if (vid && nla_put_u16(dump->skb, NDA_VLAN, vid))
|
|
goto nla_put_failure;
|
|
|
|
nlmsg_end(dump->skb, nlh);
|
|
|
|
skip:
|
|
dump->idx++;
|
|
return 0;
|
|
|
|
nla_put_failure:
|
|
nlmsg_cancel(dump->skb, nlh);
|
|
return -EMSGSIZE;
|
|
}
|
|
|
|
static int ocelot_port_fdb_dump(struct sk_buff *skb,
|
|
struct netlink_callback *cb,
|
|
struct net_device *dev,
|
|
struct net_device *filter_dev, int *idx)
|
|
{
|
|
struct ocelot_port_private *priv = netdev_priv(dev);
|
|
struct ocelot *ocelot = priv->port.ocelot;
|
|
struct ocelot_dump_ctx dump = {
|
|
.dev = dev,
|
|
.skb = skb,
|
|
.cb = cb,
|
|
.idx = *idx,
|
|
};
|
|
int port = priv->port.index;
|
|
int ret;
|
|
|
|
ret = ocelot_fdb_dump(ocelot, port, ocelot_port_fdb_do_dump, &dump);
|
|
|
|
*idx = dump.idx;
|
|
|
|
return ret;
|
|
}
|
|
|
|
static int ocelot_vlan_rx_add_vid(struct net_device *dev, __be16 proto,
|
|
u16 vid)
|
|
{
|
|
return ocelot_vlan_vid_add(dev, vid, false, false);
|
|
}
|
|
|
|
static int ocelot_vlan_rx_kill_vid(struct net_device *dev, __be16 proto,
|
|
u16 vid)
|
|
{
|
|
return ocelot_vlan_vid_del(dev, vid);
|
|
}
|
|
|
|
static void ocelot_vlan_mode(struct ocelot *ocelot, int port,
|
|
netdev_features_t features)
|
|
{
|
|
u32 val;
|
|
|
|
/* Filtering */
|
|
val = ocelot_read(ocelot, ANA_VLANMASK);
|
|
if (features & NETIF_F_HW_VLAN_CTAG_FILTER)
|
|
val |= BIT(port);
|
|
else
|
|
val &= ~BIT(port);
|
|
ocelot_write(ocelot, val, ANA_VLANMASK);
|
|
}
|
|
|
|
static int ocelot_set_features(struct net_device *dev,
|
|
netdev_features_t features)
|
|
{
|
|
netdev_features_t changed = dev->features ^ features;
|
|
struct ocelot_port_private *priv = netdev_priv(dev);
|
|
struct ocelot *ocelot = priv->port.ocelot;
|
|
int port = priv->port.index;
|
|
|
|
if ((dev->features & NETIF_F_HW_TC) > (features & NETIF_F_HW_TC) &&
|
|
priv->tc.offload_cnt) {
|
|
netdev_err(dev,
|
|
"Cannot disable HW TC offload while offloads active\n");
|
|
return -EBUSY;
|
|
}
|
|
|
|
if (changed & NETIF_F_HW_VLAN_CTAG_FILTER)
|
|
ocelot_vlan_mode(ocelot, port, features);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int ocelot_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
|
|
{
|
|
struct ocelot_port_private *priv = netdev_priv(dev);
|
|
struct ocelot *ocelot = priv->port.ocelot;
|
|
int port = priv->port.index;
|
|
|
|
/* If the attached PHY device isn't capable of timestamping operations,
|
|
* use our own (when possible).
|
|
*/
|
|
if (!phy_has_hwtstamp(dev->phydev) && ocelot->ptp) {
|
|
switch (cmd) {
|
|
case SIOCSHWTSTAMP:
|
|
return ocelot_hwstamp_set(ocelot, port, ifr);
|
|
case SIOCGHWTSTAMP:
|
|
return ocelot_hwstamp_get(ocelot, port, ifr);
|
|
}
|
|
}
|
|
|
|
return phy_mii_ioctl(dev->phydev, ifr, cmd);
|
|
}
|
|
|
|
static int ocelot_change_mtu(struct net_device *dev, int new_mtu)
|
|
{
|
|
struct ocelot_port_private *priv = netdev_priv(dev);
|
|
struct ocelot_port *ocelot_port = &priv->port;
|
|
struct ocelot *ocelot = ocelot_port->ocelot;
|
|
|
|
ocelot_port_set_maxlen(ocelot, priv->port.index, new_mtu);
|
|
WRITE_ONCE(dev->mtu, new_mtu);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static const struct net_device_ops ocelot_port_netdev_ops = {
|
|
.ndo_open = ocelot_port_open,
|
|
.ndo_stop = ocelot_port_stop,
|
|
.ndo_start_xmit = ocelot_port_xmit,
|
|
.ndo_change_mtu = ocelot_change_mtu,
|
|
.ndo_set_rx_mode = ocelot_set_rx_mode,
|
|
.ndo_set_mac_address = ocelot_port_set_mac_address,
|
|
.ndo_get_stats64 = ocelot_get_stats64,
|
|
.ndo_fdb_add = ocelot_port_fdb_add,
|
|
.ndo_fdb_del = ocelot_port_fdb_del,
|
|
.ndo_fdb_dump = ocelot_port_fdb_dump,
|
|
.ndo_vlan_rx_add_vid = ocelot_vlan_rx_add_vid,
|
|
.ndo_vlan_rx_kill_vid = ocelot_vlan_rx_kill_vid,
|
|
.ndo_set_features = ocelot_set_features,
|
|
.ndo_setup_tc = ocelot_setup_tc,
|
|
.ndo_eth_ioctl = ocelot_ioctl,
|
|
};
|
|
|
|
struct net_device *ocelot_port_to_netdev(struct ocelot *ocelot, int port)
|
|
{
|
|
struct ocelot_port *ocelot_port = ocelot->ports[port];
|
|
struct ocelot_port_private *priv;
|
|
|
|
if (!ocelot_port)
|
|
return NULL;
|
|
|
|
priv = container_of(ocelot_port, struct ocelot_port_private, port);
|
|
|
|
return priv->dev;
|
|
}
|
|
|
|
/* Checks if the net_device instance given to us originates from our driver */
|
|
static bool ocelot_netdevice_dev_check(const struct net_device *dev)
|
|
{
|
|
return dev->netdev_ops == &ocelot_port_netdev_ops;
|
|
}
|
|
|
|
int ocelot_netdev_to_port(struct net_device *dev)
|
|
{
|
|
struct ocelot_port_private *priv;
|
|
|
|
if (!dev || !ocelot_netdevice_dev_check(dev))
|
|
return -EINVAL;
|
|
|
|
priv = netdev_priv(dev);
|
|
|
|
return priv->port.index;
|
|
}
|
|
|
|
static void ocelot_port_get_strings(struct net_device *netdev, u32 sset,
|
|
u8 *data)
|
|
{
|
|
struct ocelot_port_private *priv = netdev_priv(netdev);
|
|
struct ocelot *ocelot = priv->port.ocelot;
|
|
int port = priv->port.index;
|
|
|
|
ocelot_get_strings(ocelot, port, sset, data);
|
|
}
|
|
|
|
static void ocelot_port_get_ethtool_stats(struct net_device *dev,
|
|
struct ethtool_stats *stats,
|
|
u64 *data)
|
|
{
|
|
struct ocelot_port_private *priv = netdev_priv(dev);
|
|
struct ocelot *ocelot = priv->port.ocelot;
|
|
int port = priv->port.index;
|
|
|
|
ocelot_get_ethtool_stats(ocelot, port, data);
|
|
}
|
|
|
|
static int ocelot_port_get_sset_count(struct net_device *dev, int sset)
|
|
{
|
|
struct ocelot_port_private *priv = netdev_priv(dev);
|
|
struct ocelot *ocelot = priv->port.ocelot;
|
|
int port = priv->port.index;
|
|
|
|
return ocelot_get_sset_count(ocelot, port, sset);
|
|
}
|
|
|
|
static int ocelot_port_get_ts_info(struct net_device *dev,
|
|
struct ethtool_ts_info *info)
|
|
{
|
|
struct ocelot_port_private *priv = netdev_priv(dev);
|
|
struct ocelot *ocelot = priv->port.ocelot;
|
|
int port = priv->port.index;
|
|
|
|
if (!ocelot->ptp)
|
|
return ethtool_op_get_ts_info(dev, info);
|
|
|
|
return ocelot_get_ts_info(ocelot, port, info);
|
|
}
|
|
|
|
static const struct ethtool_ops ocelot_ethtool_ops = {
|
|
.get_strings = ocelot_port_get_strings,
|
|
.get_ethtool_stats = ocelot_port_get_ethtool_stats,
|
|
.get_sset_count = ocelot_port_get_sset_count,
|
|
.get_link_ksettings = phy_ethtool_get_link_ksettings,
|
|
.set_link_ksettings = phy_ethtool_set_link_ksettings,
|
|
.get_ts_info = ocelot_port_get_ts_info,
|
|
};
|
|
|
|
static void ocelot_port_attr_stp_state_set(struct ocelot *ocelot, int port,
|
|
u8 state)
|
|
{
|
|
ocelot_bridge_stp_state_set(ocelot, port, state);
|
|
}
|
|
|
|
static void ocelot_port_attr_ageing_set(struct ocelot *ocelot, int port,
|
|
unsigned long ageing_clock_t)
|
|
{
|
|
unsigned long ageing_jiffies = clock_t_to_jiffies(ageing_clock_t);
|
|
u32 ageing_time = jiffies_to_msecs(ageing_jiffies);
|
|
|
|
ocelot_set_ageing_time(ocelot, ageing_time);
|
|
}
|
|
|
|
static void ocelot_port_attr_mc_set(struct ocelot *ocelot, int port, bool mc)
|
|
{
|
|
u32 cpu_fwd_mcast = ANA_PORT_CPU_FWD_CFG_CPU_IGMP_REDIR_ENA |
|
|
ANA_PORT_CPU_FWD_CFG_CPU_MLD_REDIR_ENA |
|
|
ANA_PORT_CPU_FWD_CFG_CPU_IPMC_CTRL_COPY_ENA;
|
|
u32 val = 0;
|
|
|
|
if (mc)
|
|
val = cpu_fwd_mcast;
|
|
|
|
ocelot_rmw_gix(ocelot, val, cpu_fwd_mcast,
|
|
ANA_PORT_CPU_FWD_CFG, port);
|
|
}
|
|
|
|
static int ocelot_port_attr_set(struct net_device *dev, const void *ctx,
|
|
const struct switchdev_attr *attr,
|
|
struct netlink_ext_ack *extack)
|
|
{
|
|
struct ocelot_port_private *priv = netdev_priv(dev);
|
|
struct ocelot *ocelot = priv->port.ocelot;
|
|
int port = priv->port.index;
|
|
int err = 0;
|
|
|
|
if (ctx && ctx != priv)
|
|
return 0;
|
|
|
|
switch (attr->id) {
|
|
case SWITCHDEV_ATTR_ID_PORT_STP_STATE:
|
|
ocelot_port_attr_stp_state_set(ocelot, port, attr->u.stp_state);
|
|
break;
|
|
case SWITCHDEV_ATTR_ID_BRIDGE_AGEING_TIME:
|
|
ocelot_port_attr_ageing_set(ocelot, port, attr->u.ageing_time);
|
|
break;
|
|
case SWITCHDEV_ATTR_ID_BRIDGE_VLAN_FILTERING:
|
|
ocelot_port_vlan_filtering(ocelot, port, attr->u.vlan_filtering,
|
|
extack);
|
|
break;
|
|
case SWITCHDEV_ATTR_ID_BRIDGE_MC_DISABLED:
|
|
ocelot_port_attr_mc_set(ocelot, port, !attr->u.mc_disabled);
|
|
break;
|
|
case SWITCHDEV_ATTR_ID_PORT_PRE_BRIDGE_FLAGS:
|
|
err = ocelot_port_pre_bridge_flags(ocelot, port,
|
|
attr->u.brport_flags);
|
|
break;
|
|
case SWITCHDEV_ATTR_ID_PORT_BRIDGE_FLAGS:
|
|
ocelot_port_bridge_flags(ocelot, port, attr->u.brport_flags);
|
|
break;
|
|
default:
|
|
err = -EOPNOTSUPP;
|
|
break;
|
|
}
|
|
|
|
return err;
|
|
}
|
|
|
|
static int ocelot_vlan_vid_prepare(struct net_device *dev, u16 vid, bool pvid,
|
|
bool untagged, struct netlink_ext_ack *extack)
|
|
{
|
|
struct ocelot_port_private *priv = netdev_priv(dev);
|
|
struct ocelot_port *ocelot_port = &priv->port;
|
|
struct ocelot *ocelot = ocelot_port->ocelot;
|
|
int port = priv->port.index;
|
|
|
|
return ocelot_vlan_prepare(ocelot, port, vid, pvid, untagged, extack);
|
|
}
|
|
|
|
static int ocelot_port_obj_add_vlan(struct net_device *dev,
|
|
const struct switchdev_obj_port_vlan *vlan,
|
|
struct netlink_ext_ack *extack)
|
|
{
|
|
bool untagged = vlan->flags & BRIDGE_VLAN_INFO_UNTAGGED;
|
|
bool pvid = vlan->flags & BRIDGE_VLAN_INFO_PVID;
|
|
int ret;
|
|
|
|
ret = ocelot_vlan_vid_prepare(dev, vlan->vid, pvid, untagged, extack);
|
|
if (ret)
|
|
return ret;
|
|
|
|
return ocelot_vlan_vid_add(dev, vlan->vid, pvid, untagged);
|
|
}
|
|
|
|
static int ocelot_port_obj_add_mdb(struct net_device *dev,
|
|
const struct switchdev_obj_port_mdb *mdb)
|
|
{
|
|
struct ocelot_port_private *priv = netdev_priv(dev);
|
|
struct ocelot_port *ocelot_port = &priv->port;
|
|
struct ocelot *ocelot = ocelot_port->ocelot;
|
|
int port = priv->port.index;
|
|
|
|
return ocelot_port_mdb_add(ocelot, port, mdb, ocelot_port->bridge);
|
|
}
|
|
|
|
static int ocelot_port_obj_del_mdb(struct net_device *dev,
|
|
const struct switchdev_obj_port_mdb *mdb)
|
|
{
|
|
struct ocelot_port_private *priv = netdev_priv(dev);
|
|
struct ocelot_port *ocelot_port = &priv->port;
|
|
struct ocelot *ocelot = ocelot_port->ocelot;
|
|
int port = priv->port.index;
|
|
|
|
return ocelot_port_mdb_del(ocelot, port, mdb, ocelot_port->bridge);
|
|
}
|
|
|
|
static int ocelot_port_obj_mrp_add(struct net_device *dev,
|
|
const struct switchdev_obj_mrp *mrp)
|
|
{
|
|
struct ocelot_port_private *priv = netdev_priv(dev);
|
|
struct ocelot_port *ocelot_port = &priv->port;
|
|
struct ocelot *ocelot = ocelot_port->ocelot;
|
|
int port = priv->port.index;
|
|
|
|
return ocelot_mrp_add(ocelot, port, mrp);
|
|
}
|
|
|
|
static int ocelot_port_obj_mrp_del(struct net_device *dev,
|
|
const struct switchdev_obj_mrp *mrp)
|
|
{
|
|
struct ocelot_port_private *priv = netdev_priv(dev);
|
|
struct ocelot_port *ocelot_port = &priv->port;
|
|
struct ocelot *ocelot = ocelot_port->ocelot;
|
|
int port = priv->port.index;
|
|
|
|
return ocelot_mrp_del(ocelot, port, mrp);
|
|
}
|
|
|
|
static int
|
|
ocelot_port_obj_mrp_add_ring_role(struct net_device *dev,
|
|
const struct switchdev_obj_ring_role_mrp *mrp)
|
|
{
|
|
struct ocelot_port_private *priv = netdev_priv(dev);
|
|
struct ocelot_port *ocelot_port = &priv->port;
|
|
struct ocelot *ocelot = ocelot_port->ocelot;
|
|
int port = priv->port.index;
|
|
|
|
return ocelot_mrp_add_ring_role(ocelot, port, mrp);
|
|
}
|
|
|
|
static int
|
|
ocelot_port_obj_mrp_del_ring_role(struct net_device *dev,
|
|
const struct switchdev_obj_ring_role_mrp *mrp)
|
|
{
|
|
struct ocelot_port_private *priv = netdev_priv(dev);
|
|
struct ocelot_port *ocelot_port = &priv->port;
|
|
struct ocelot *ocelot = ocelot_port->ocelot;
|
|
int port = priv->port.index;
|
|
|
|
return ocelot_mrp_del_ring_role(ocelot, port, mrp);
|
|
}
|
|
|
|
static int ocelot_port_obj_add(struct net_device *dev, const void *ctx,
|
|
const struct switchdev_obj *obj,
|
|
struct netlink_ext_ack *extack)
|
|
{
|
|
struct ocelot_port_private *priv = netdev_priv(dev);
|
|
int ret = 0;
|
|
|
|
if (ctx && ctx != priv)
|
|
return 0;
|
|
|
|
switch (obj->id) {
|
|
case SWITCHDEV_OBJ_ID_PORT_VLAN:
|
|
ret = ocelot_port_obj_add_vlan(dev,
|
|
SWITCHDEV_OBJ_PORT_VLAN(obj),
|
|
extack);
|
|
break;
|
|
case SWITCHDEV_OBJ_ID_PORT_MDB:
|
|
ret = ocelot_port_obj_add_mdb(dev, SWITCHDEV_OBJ_PORT_MDB(obj));
|
|
break;
|
|
case SWITCHDEV_OBJ_ID_MRP:
|
|
ret = ocelot_port_obj_mrp_add(dev, SWITCHDEV_OBJ_MRP(obj));
|
|
break;
|
|
case SWITCHDEV_OBJ_ID_RING_ROLE_MRP:
|
|
ret = ocelot_port_obj_mrp_add_ring_role(dev,
|
|
SWITCHDEV_OBJ_RING_ROLE_MRP(obj));
|
|
break;
|
|
default:
|
|
return -EOPNOTSUPP;
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
|
|
static int ocelot_port_obj_del(struct net_device *dev, const void *ctx,
|
|
const struct switchdev_obj *obj)
|
|
{
|
|
struct ocelot_port_private *priv = netdev_priv(dev);
|
|
int ret = 0;
|
|
|
|
if (ctx && ctx != priv)
|
|
return 0;
|
|
|
|
switch (obj->id) {
|
|
case SWITCHDEV_OBJ_ID_PORT_VLAN:
|
|
ret = ocelot_vlan_vid_del(dev,
|
|
SWITCHDEV_OBJ_PORT_VLAN(obj)->vid);
|
|
break;
|
|
case SWITCHDEV_OBJ_ID_PORT_MDB:
|
|
ret = ocelot_port_obj_del_mdb(dev, SWITCHDEV_OBJ_PORT_MDB(obj));
|
|
break;
|
|
case SWITCHDEV_OBJ_ID_MRP:
|
|
ret = ocelot_port_obj_mrp_del(dev, SWITCHDEV_OBJ_MRP(obj));
|
|
break;
|
|
case SWITCHDEV_OBJ_ID_RING_ROLE_MRP:
|
|
ret = ocelot_port_obj_mrp_del_ring_role(dev,
|
|
SWITCHDEV_OBJ_RING_ROLE_MRP(obj));
|
|
break;
|
|
default:
|
|
return -EOPNOTSUPP;
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
|
|
static void ocelot_inherit_brport_flags(struct ocelot *ocelot, int port,
|
|
struct net_device *brport_dev)
|
|
{
|
|
struct switchdev_brport_flags flags = {0};
|
|
int flag;
|
|
|
|
flags.mask = BR_LEARNING | BR_FLOOD | BR_MCAST_FLOOD | BR_BCAST_FLOOD;
|
|
|
|
for_each_set_bit(flag, &flags.mask, 32)
|
|
if (br_port_flag_is_set(brport_dev, BIT(flag)))
|
|
flags.val |= BIT(flag);
|
|
|
|
ocelot_port_bridge_flags(ocelot, port, flags);
|
|
}
|
|
|
|
static void ocelot_clear_brport_flags(struct ocelot *ocelot, int port)
|
|
{
|
|
struct switchdev_brport_flags flags;
|
|
|
|
flags.mask = BR_LEARNING | BR_FLOOD | BR_MCAST_FLOOD | BR_BCAST_FLOOD;
|
|
flags.val = flags.mask & ~BR_LEARNING;
|
|
|
|
ocelot_port_bridge_flags(ocelot, port, flags);
|
|
}
|
|
|
|
static int ocelot_switchdev_sync(struct ocelot *ocelot, int port,
|
|
struct net_device *brport_dev,
|
|
struct net_device *bridge_dev,
|
|
struct netlink_ext_ack *extack)
|
|
{
|
|
clock_t ageing_time;
|
|
u8 stp_state;
|
|
|
|
ocelot_inherit_brport_flags(ocelot, port, brport_dev);
|
|
|
|
stp_state = br_port_get_stp_state(brport_dev);
|
|
ocelot_bridge_stp_state_set(ocelot, port, stp_state);
|
|
|
|
ageing_time = br_get_ageing_time(bridge_dev);
|
|
ocelot_port_attr_ageing_set(ocelot, port, ageing_time);
|
|
|
|
return ocelot_port_vlan_filtering(ocelot, port,
|
|
br_vlan_enabled(bridge_dev),
|
|
extack);
|
|
}
|
|
|
|
static int ocelot_switchdev_unsync(struct ocelot *ocelot, int port)
|
|
{
|
|
int err;
|
|
|
|
err = ocelot_port_vlan_filtering(ocelot, port, false, NULL);
|
|
if (err)
|
|
return err;
|
|
|
|
ocelot_clear_brport_flags(ocelot, port);
|
|
|
|
ocelot_bridge_stp_state_set(ocelot, port, BR_STATE_FORWARDING);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int ocelot_bridge_num_get(struct ocelot *ocelot,
|
|
const struct net_device *bridge_dev)
|
|
{
|
|
int bridge_num = ocelot_bridge_num_find(ocelot, bridge_dev);
|
|
|
|
if (bridge_num < 0) {
|
|
/* First port that offloads this bridge */
|
|
bridge_num = find_first_zero_bit(&ocelot->bridges,
|
|
ocelot->num_phys_ports);
|
|
|
|
set_bit(bridge_num, &ocelot->bridges);
|
|
}
|
|
|
|
return bridge_num;
|
|
}
|
|
|
|
static void ocelot_bridge_num_put(struct ocelot *ocelot,
|
|
const struct net_device *bridge_dev,
|
|
int bridge_num)
|
|
{
|
|
/* Check if the bridge is still in use, otherwise it is time
|
|
* to clean it up so we can reuse this bridge_num later.
|
|
*/
|
|
if (!ocelot_bridge_num_find(ocelot, bridge_dev))
|
|
clear_bit(bridge_num, &ocelot->bridges);
|
|
}
|
|
|
|
static int ocelot_netdevice_bridge_join(struct net_device *dev,
|
|
struct net_device *brport_dev,
|
|
struct net_device *bridge,
|
|
struct netlink_ext_ack *extack)
|
|
{
|
|
struct ocelot_port_private *priv = netdev_priv(dev);
|
|
struct ocelot_port *ocelot_port = &priv->port;
|
|
struct ocelot *ocelot = ocelot_port->ocelot;
|
|
int port = priv->port.index;
|
|
int bridge_num, err;
|
|
|
|
bridge_num = ocelot_bridge_num_get(ocelot, bridge);
|
|
|
|
err = ocelot_port_bridge_join(ocelot, port, bridge, bridge_num,
|
|
extack);
|
|
if (err)
|
|
goto err_join;
|
|
|
|
err = switchdev_bridge_port_offload(brport_dev, dev, priv,
|
|
&ocelot_switchdev_nb,
|
|
&ocelot_switchdev_blocking_nb,
|
|
false, extack);
|
|
if (err)
|
|
goto err_switchdev_offload;
|
|
|
|
err = ocelot_switchdev_sync(ocelot, port, brport_dev, bridge, extack);
|
|
if (err)
|
|
goto err_switchdev_sync;
|
|
|
|
return 0;
|
|
|
|
err_switchdev_sync:
|
|
switchdev_bridge_port_unoffload(brport_dev, priv,
|
|
&ocelot_switchdev_nb,
|
|
&ocelot_switchdev_blocking_nb);
|
|
err_switchdev_offload:
|
|
ocelot_port_bridge_leave(ocelot, port, bridge);
|
|
err_join:
|
|
ocelot_bridge_num_put(ocelot, bridge, bridge_num);
|
|
return err;
|
|
}
|
|
|
|
static void ocelot_netdevice_pre_bridge_leave(struct net_device *dev,
|
|
struct net_device *brport_dev)
|
|
{
|
|
struct ocelot_port_private *priv = netdev_priv(dev);
|
|
|
|
switchdev_bridge_port_unoffload(brport_dev, priv,
|
|
&ocelot_switchdev_nb,
|
|
&ocelot_switchdev_blocking_nb);
|
|
}
|
|
|
|
static int ocelot_netdevice_bridge_leave(struct net_device *dev,
|
|
struct net_device *brport_dev,
|
|
struct net_device *bridge)
|
|
{
|
|
struct ocelot_port_private *priv = netdev_priv(dev);
|
|
struct ocelot_port *ocelot_port = &priv->port;
|
|
struct ocelot *ocelot = ocelot_port->ocelot;
|
|
int bridge_num = ocelot_port->bridge_num;
|
|
int port = priv->port.index;
|
|
int err;
|
|
|
|
err = ocelot_switchdev_unsync(ocelot, port);
|
|
if (err)
|
|
return err;
|
|
|
|
ocelot_port_bridge_leave(ocelot, port, bridge);
|
|
ocelot_bridge_num_put(ocelot, bridge, bridge_num);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int ocelot_netdevice_lag_join(struct net_device *dev,
|
|
struct net_device *bond,
|
|
struct netdev_lag_upper_info *info,
|
|
struct netlink_ext_ack *extack)
|
|
{
|
|
struct ocelot_port_private *priv = netdev_priv(dev);
|
|
struct ocelot_port *ocelot_port = &priv->port;
|
|
struct ocelot *ocelot = ocelot_port->ocelot;
|
|
struct net_device *bridge_dev;
|
|
int port = priv->port.index;
|
|
int err;
|
|
|
|
err = ocelot_port_lag_join(ocelot, port, bond, info, extack);
|
|
if (err == -EOPNOTSUPP)
|
|
/* Offloading not supported, fall back to software LAG */
|
|
return 0;
|
|
|
|
bridge_dev = netdev_master_upper_dev_get(bond);
|
|
if (!bridge_dev || !netif_is_bridge_master(bridge_dev))
|
|
return 0;
|
|
|
|
err = ocelot_netdevice_bridge_join(dev, bond, bridge_dev, extack);
|
|
if (err)
|
|
goto err_bridge_join;
|
|
|
|
return 0;
|
|
|
|
err_bridge_join:
|
|
ocelot_port_lag_leave(ocelot, port, bond);
|
|
return err;
|
|
}
|
|
|
|
static void ocelot_netdevice_pre_lag_leave(struct net_device *dev,
|
|
struct net_device *bond)
|
|
{
|
|
struct net_device *bridge_dev;
|
|
|
|
bridge_dev = netdev_master_upper_dev_get(bond);
|
|
if (!bridge_dev || !netif_is_bridge_master(bridge_dev))
|
|
return;
|
|
|
|
ocelot_netdevice_pre_bridge_leave(dev, bond);
|
|
}
|
|
|
|
static int ocelot_netdevice_lag_leave(struct net_device *dev,
|
|
struct net_device *bond)
|
|
{
|
|
struct ocelot_port_private *priv = netdev_priv(dev);
|
|
struct ocelot_port *ocelot_port = &priv->port;
|
|
struct ocelot *ocelot = ocelot_port->ocelot;
|
|
struct net_device *bridge_dev;
|
|
int port = priv->port.index;
|
|
|
|
ocelot_port_lag_leave(ocelot, port, bond);
|
|
|
|
bridge_dev = netdev_master_upper_dev_get(bond);
|
|
if (!bridge_dev || !netif_is_bridge_master(bridge_dev))
|
|
return 0;
|
|
|
|
return ocelot_netdevice_bridge_leave(dev, bond, bridge_dev);
|
|
}
|
|
|
|
static int ocelot_netdevice_changeupper(struct net_device *dev,
|
|
struct net_device *brport_dev,
|
|
struct netdev_notifier_changeupper_info *info)
|
|
{
|
|
struct netlink_ext_ack *extack;
|
|
int err = 0;
|
|
|
|
extack = netdev_notifier_info_to_extack(&info->info);
|
|
|
|
if (netif_is_bridge_master(info->upper_dev)) {
|
|
if (info->linking)
|
|
err = ocelot_netdevice_bridge_join(dev, brport_dev,
|
|
info->upper_dev,
|
|
extack);
|
|
else
|
|
err = ocelot_netdevice_bridge_leave(dev, brport_dev,
|
|
info->upper_dev);
|
|
}
|
|
if (netif_is_lag_master(info->upper_dev)) {
|
|
if (info->linking)
|
|
err = ocelot_netdevice_lag_join(dev, info->upper_dev,
|
|
info->upper_info, extack);
|
|
else
|
|
ocelot_netdevice_lag_leave(dev, info->upper_dev);
|
|
}
|
|
|
|
return notifier_from_errno(err);
|
|
}
|
|
|
|
/* Treat CHANGEUPPER events on an offloaded LAG as individual CHANGEUPPER
|
|
* events for the lower physical ports of the LAG.
|
|
* If the LAG upper isn't offloaded, ignore its CHANGEUPPER events.
|
|
* In case the LAG joined a bridge, notify that we are offloading it and can do
|
|
* forwarding in hardware towards it.
|
|
*/
|
|
static int
|
|
ocelot_netdevice_lag_changeupper(struct net_device *dev,
|
|
struct netdev_notifier_changeupper_info *info)
|
|
{
|
|
struct net_device *lower;
|
|
struct list_head *iter;
|
|
int err = NOTIFY_DONE;
|
|
|
|
netdev_for_each_lower_dev(dev, lower, iter) {
|
|
struct ocelot_port_private *priv = netdev_priv(lower);
|
|
struct ocelot_port *ocelot_port = &priv->port;
|
|
|
|
if (ocelot_port->bond != dev)
|
|
return NOTIFY_OK;
|
|
|
|
err = ocelot_netdevice_changeupper(lower, dev, info);
|
|
if (err)
|
|
return notifier_from_errno(err);
|
|
}
|
|
|
|
return NOTIFY_DONE;
|
|
}
|
|
|
|
static int
|
|
ocelot_netdevice_prechangeupper(struct net_device *dev,
|
|
struct net_device *brport_dev,
|
|
struct netdev_notifier_changeupper_info *info)
|
|
{
|
|
if (netif_is_bridge_master(info->upper_dev) && !info->linking)
|
|
ocelot_netdevice_pre_bridge_leave(dev, brport_dev);
|
|
|
|
if (netif_is_lag_master(info->upper_dev) && !info->linking)
|
|
ocelot_netdevice_pre_lag_leave(dev, info->upper_dev);
|
|
|
|
return NOTIFY_DONE;
|
|
}
|
|
|
|
static int
|
|
ocelot_netdevice_lag_prechangeupper(struct net_device *dev,
|
|
struct netdev_notifier_changeupper_info *info)
|
|
{
|
|
struct net_device *lower;
|
|
struct list_head *iter;
|
|
int err = NOTIFY_DONE;
|
|
|
|
netdev_for_each_lower_dev(dev, lower, iter) {
|
|
struct ocelot_port_private *priv = netdev_priv(lower);
|
|
struct ocelot_port *ocelot_port = &priv->port;
|
|
|
|
if (ocelot_port->bond != dev)
|
|
return NOTIFY_OK;
|
|
|
|
err = ocelot_netdevice_prechangeupper(dev, lower, info);
|
|
if (err)
|
|
return err;
|
|
}
|
|
|
|
return NOTIFY_DONE;
|
|
}
|
|
|
|
static int
|
|
ocelot_netdevice_changelowerstate(struct net_device *dev,
|
|
struct netdev_lag_lower_state_info *info)
|
|
{
|
|
struct ocelot_port_private *priv = netdev_priv(dev);
|
|
bool is_active = info->link_up && info->tx_enabled;
|
|
struct ocelot_port *ocelot_port = &priv->port;
|
|
struct ocelot *ocelot = ocelot_port->ocelot;
|
|
int port = priv->port.index;
|
|
|
|
if (!ocelot_port->bond)
|
|
return NOTIFY_DONE;
|
|
|
|
if (ocelot_port->lag_tx_active == is_active)
|
|
return NOTIFY_DONE;
|
|
|
|
ocelot_port_lag_change(ocelot, port, is_active);
|
|
|
|
return NOTIFY_OK;
|
|
}
|
|
|
|
static int ocelot_netdevice_event(struct notifier_block *unused,
|
|
unsigned long event, void *ptr)
|
|
{
|
|
struct net_device *dev = netdev_notifier_info_to_dev(ptr);
|
|
|
|
switch (event) {
|
|
case NETDEV_PRECHANGEUPPER: {
|
|
struct netdev_notifier_changeupper_info *info = ptr;
|
|
|
|
if (ocelot_netdevice_dev_check(dev))
|
|
return ocelot_netdevice_prechangeupper(dev, dev, info);
|
|
|
|
if (netif_is_lag_master(dev))
|
|
return ocelot_netdevice_lag_prechangeupper(dev, info);
|
|
|
|
break;
|
|
}
|
|
case NETDEV_CHANGEUPPER: {
|
|
struct netdev_notifier_changeupper_info *info = ptr;
|
|
|
|
if (ocelot_netdevice_dev_check(dev))
|
|
return ocelot_netdevice_changeupper(dev, dev, info);
|
|
|
|
if (netif_is_lag_master(dev))
|
|
return ocelot_netdevice_lag_changeupper(dev, info);
|
|
|
|
break;
|
|
}
|
|
case NETDEV_CHANGELOWERSTATE: {
|
|
struct netdev_notifier_changelowerstate_info *info = ptr;
|
|
|
|
if (!ocelot_netdevice_dev_check(dev))
|
|
break;
|
|
|
|
return ocelot_netdevice_changelowerstate(dev,
|
|
info->lower_state_info);
|
|
}
|
|
default:
|
|
break;
|
|
}
|
|
|
|
return NOTIFY_DONE;
|
|
}
|
|
|
|
struct notifier_block ocelot_netdevice_nb __read_mostly = {
|
|
.notifier_call = ocelot_netdevice_event,
|
|
};
|
|
|
|
static int ocelot_switchdev_event(struct notifier_block *unused,
|
|
unsigned long event, void *ptr)
|
|
{
|
|
struct net_device *dev = switchdev_notifier_info_to_dev(ptr);
|
|
int err;
|
|
|
|
switch (event) {
|
|
case SWITCHDEV_PORT_ATTR_SET:
|
|
err = switchdev_handle_port_attr_set(dev, ptr,
|
|
ocelot_netdevice_dev_check,
|
|
ocelot_port_attr_set);
|
|
return notifier_from_errno(err);
|
|
}
|
|
|
|
return NOTIFY_DONE;
|
|
}
|
|
|
|
struct notifier_block ocelot_switchdev_nb __read_mostly = {
|
|
.notifier_call = ocelot_switchdev_event,
|
|
};
|
|
|
|
static int ocelot_switchdev_blocking_event(struct notifier_block *unused,
|
|
unsigned long event, void *ptr)
|
|
{
|
|
struct net_device *dev = switchdev_notifier_info_to_dev(ptr);
|
|
int err;
|
|
|
|
switch (event) {
|
|
/* Blocking events. */
|
|
case SWITCHDEV_PORT_OBJ_ADD:
|
|
err = switchdev_handle_port_obj_add(dev, ptr,
|
|
ocelot_netdevice_dev_check,
|
|
ocelot_port_obj_add);
|
|
return notifier_from_errno(err);
|
|
case SWITCHDEV_PORT_OBJ_DEL:
|
|
err = switchdev_handle_port_obj_del(dev, ptr,
|
|
ocelot_netdevice_dev_check,
|
|
ocelot_port_obj_del);
|
|
return notifier_from_errno(err);
|
|
case SWITCHDEV_PORT_ATTR_SET:
|
|
err = switchdev_handle_port_attr_set(dev, ptr,
|
|
ocelot_netdevice_dev_check,
|
|
ocelot_port_attr_set);
|
|
return notifier_from_errno(err);
|
|
}
|
|
|
|
return NOTIFY_DONE;
|
|
}
|
|
|
|
struct notifier_block ocelot_switchdev_blocking_nb __read_mostly = {
|
|
.notifier_call = ocelot_switchdev_blocking_event,
|
|
};
|
|
|
|
static void vsc7514_phylink_mac_config(struct phylink_config *config,
|
|
unsigned int link_an_mode,
|
|
const struct phylink_link_state *state)
|
|
{
|
|
struct net_device *ndev = to_net_dev(config->dev);
|
|
struct ocelot_port_private *priv = netdev_priv(ndev);
|
|
struct ocelot_port *ocelot_port = &priv->port;
|
|
|
|
/* Disable HDX fast control */
|
|
ocelot_port_writel(ocelot_port, DEV_PORT_MISC_HDX_FAST_DIS,
|
|
DEV_PORT_MISC);
|
|
|
|
/* SGMII only for now */
|
|
ocelot_port_writel(ocelot_port, PCS1G_MODE_CFG_SGMII_MODE_ENA,
|
|
PCS1G_MODE_CFG);
|
|
ocelot_port_writel(ocelot_port, PCS1G_SD_CFG_SD_SEL, PCS1G_SD_CFG);
|
|
|
|
/* Enable PCS */
|
|
ocelot_port_writel(ocelot_port, PCS1G_CFG_PCS_ENA, PCS1G_CFG);
|
|
|
|
/* No aneg on SGMII */
|
|
ocelot_port_writel(ocelot_port, 0, PCS1G_ANEG_CFG);
|
|
|
|
/* No loopback */
|
|
ocelot_port_writel(ocelot_port, 0, PCS1G_LB_CFG);
|
|
}
|
|
|
|
static void vsc7514_phylink_mac_link_down(struct phylink_config *config,
|
|
unsigned int link_an_mode,
|
|
phy_interface_t interface)
|
|
{
|
|
struct net_device *ndev = to_net_dev(config->dev);
|
|
struct ocelot_port_private *priv = netdev_priv(ndev);
|
|
struct ocelot *ocelot = priv->port.ocelot;
|
|
int port = priv->port.index;
|
|
|
|
ocelot_phylink_mac_link_down(ocelot, port, link_an_mode, interface,
|
|
OCELOT_MAC_QUIRKS);
|
|
}
|
|
|
|
static void vsc7514_phylink_mac_link_up(struct phylink_config *config,
|
|
struct phy_device *phydev,
|
|
unsigned int link_an_mode,
|
|
phy_interface_t interface,
|
|
int speed, int duplex,
|
|
bool tx_pause, bool rx_pause)
|
|
{
|
|
struct net_device *ndev = to_net_dev(config->dev);
|
|
struct ocelot_port_private *priv = netdev_priv(ndev);
|
|
struct ocelot *ocelot = priv->port.ocelot;
|
|
int port = priv->port.index;
|
|
|
|
ocelot_phylink_mac_link_up(ocelot, port, phydev, link_an_mode,
|
|
interface, speed, duplex,
|
|
tx_pause, rx_pause, OCELOT_MAC_QUIRKS);
|
|
}
|
|
|
|
static const struct phylink_mac_ops ocelot_phylink_ops = {
|
|
.mac_config = vsc7514_phylink_mac_config,
|
|
.mac_link_down = vsc7514_phylink_mac_link_down,
|
|
.mac_link_up = vsc7514_phylink_mac_link_up,
|
|
};
|
|
|
|
static int ocelot_port_phylink_create(struct ocelot *ocelot, int port,
|
|
struct device_node *portnp)
|
|
{
|
|
struct ocelot_port *ocelot_port = ocelot->ports[port];
|
|
struct ocelot_port_private *priv;
|
|
struct device *dev = ocelot->dev;
|
|
phy_interface_t phy_mode;
|
|
struct phylink *phylink;
|
|
int err;
|
|
|
|
of_get_phy_mode(portnp, &phy_mode);
|
|
/* DT bindings of internal PHY ports are broken and don't
|
|
* specify a phy-mode
|
|
*/
|
|
if (phy_mode == PHY_INTERFACE_MODE_NA)
|
|
phy_mode = PHY_INTERFACE_MODE_INTERNAL;
|
|
|
|
if (phy_mode != PHY_INTERFACE_MODE_SGMII &&
|
|
phy_mode != PHY_INTERFACE_MODE_QSGMII &&
|
|
phy_mode != PHY_INTERFACE_MODE_INTERNAL) {
|
|
dev_err(dev, "unsupported phy mode %s for port %d\n",
|
|
phy_modes(phy_mode), port);
|
|
return -EINVAL;
|
|
}
|
|
|
|
/* Ensure clock signals and speed are set on all QSGMII links */
|
|
if (phy_mode == PHY_INTERFACE_MODE_QSGMII)
|
|
ocelot_port_rmwl(ocelot_port, 0,
|
|
DEV_CLOCK_CFG_MAC_TX_RST |
|
|
DEV_CLOCK_CFG_MAC_RX_RST,
|
|
DEV_CLOCK_CFG);
|
|
|
|
ocelot_port->phy_mode = phy_mode;
|
|
|
|
if (phy_mode != PHY_INTERFACE_MODE_INTERNAL) {
|
|
struct phy *serdes = of_phy_get(portnp, NULL);
|
|
|
|
if (IS_ERR(serdes)) {
|
|
err = PTR_ERR(serdes);
|
|
dev_err_probe(dev, err,
|
|
"missing SerDes phys for port %d\n",
|
|
port);
|
|
return err;
|
|
}
|
|
|
|
err = phy_set_mode_ext(serdes, PHY_MODE_ETHERNET, phy_mode);
|
|
of_phy_put(serdes);
|
|
if (err) {
|
|
dev_err(dev, "Could not SerDes mode on port %d: %pe\n",
|
|
port, ERR_PTR(err));
|
|
return err;
|
|
}
|
|
}
|
|
|
|
priv = container_of(ocelot_port, struct ocelot_port_private, port);
|
|
|
|
priv->phylink_config.dev = &priv->dev->dev;
|
|
priv->phylink_config.type = PHYLINK_NETDEV;
|
|
priv->phylink_config.mac_capabilities = MAC_ASYM_PAUSE | MAC_SYM_PAUSE |
|
|
MAC_10 | MAC_100 | MAC_1000FD | MAC_2500FD;
|
|
|
|
__set_bit(ocelot_port->phy_mode,
|
|
priv->phylink_config.supported_interfaces);
|
|
|
|
phylink = phylink_create(&priv->phylink_config,
|
|
of_fwnode_handle(portnp),
|
|
phy_mode, &ocelot_phylink_ops);
|
|
if (IS_ERR(phylink)) {
|
|
err = PTR_ERR(phylink);
|
|
dev_err(dev, "Could not create phylink (%pe)\n", phylink);
|
|
return err;
|
|
}
|
|
|
|
priv->phylink = phylink;
|
|
|
|
err = phylink_of_phy_connect(phylink, portnp, 0);
|
|
if (err) {
|
|
dev_err(dev, "Could not connect to PHY: %pe\n", ERR_PTR(err));
|
|
phylink_destroy(phylink);
|
|
priv->phylink = NULL;
|
|
return err;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
int ocelot_probe_port(struct ocelot *ocelot, int port, struct regmap *target,
|
|
struct device_node *portnp)
|
|
{
|
|
struct ocelot_port_private *priv;
|
|
struct ocelot_port *ocelot_port;
|
|
struct net_device *dev;
|
|
int err;
|
|
|
|
dev = alloc_etherdev(sizeof(struct ocelot_port_private));
|
|
if (!dev)
|
|
return -ENOMEM;
|
|
SET_NETDEV_DEV(dev, ocelot->dev);
|
|
priv = netdev_priv(dev);
|
|
priv->dev = dev;
|
|
ocelot_port = &priv->port;
|
|
ocelot_port->ocelot = ocelot;
|
|
ocelot_port->index = port;
|
|
ocelot_port->target = target;
|
|
ocelot->ports[port] = ocelot_port;
|
|
|
|
dev->netdev_ops = &ocelot_port_netdev_ops;
|
|
dev->ethtool_ops = &ocelot_ethtool_ops;
|
|
dev->max_mtu = OCELOT_JUMBO_MTU;
|
|
|
|
dev->hw_features |= NETIF_F_HW_VLAN_CTAG_FILTER | NETIF_F_RXFCS |
|
|
NETIF_F_HW_TC;
|
|
dev->features |= NETIF_F_HW_VLAN_CTAG_FILTER | NETIF_F_HW_TC;
|
|
|
|
err = of_get_ethdev_address(portnp, dev);
|
|
if (err)
|
|
eth_hw_addr_gen(dev, ocelot->base_mac, port);
|
|
|
|
ocelot_mact_learn(ocelot, PGID_CPU, dev->dev_addr,
|
|
OCELOT_STANDALONE_PVID, ENTRYTYPE_LOCKED);
|
|
|
|
ocelot_init_port(ocelot, port);
|
|
|
|
err = ocelot_port_phylink_create(ocelot, port, portnp);
|
|
if (err)
|
|
goto out;
|
|
|
|
if (ocelot->fdma)
|
|
ocelot_fdma_netdev_init(ocelot, dev);
|
|
|
|
SET_NETDEV_DEVLINK_PORT(dev, &ocelot->devlink_ports[port]);
|
|
err = register_netdev(dev);
|
|
if (err) {
|
|
dev_err(ocelot->dev, "register_netdev failed\n");
|
|
goto out_fdma_deinit;
|
|
}
|
|
|
|
return 0;
|
|
|
|
out_fdma_deinit:
|
|
if (ocelot->fdma)
|
|
ocelot_fdma_netdev_deinit(ocelot, dev);
|
|
out:
|
|
ocelot->ports[port] = NULL;
|
|
free_netdev(dev);
|
|
|
|
return err;
|
|
}
|
|
|
|
void ocelot_release_port(struct ocelot_port *ocelot_port)
|
|
{
|
|
struct ocelot_port_private *priv = container_of(ocelot_port,
|
|
struct ocelot_port_private,
|
|
port);
|
|
struct ocelot *ocelot = ocelot_port->ocelot;
|
|
struct ocelot_fdma *fdma = ocelot->fdma;
|
|
|
|
unregister_netdev(priv->dev);
|
|
|
|
if (fdma)
|
|
ocelot_fdma_netdev_deinit(ocelot, priv->dev);
|
|
|
|
if (priv->phylink) {
|
|
rtnl_lock();
|
|
phylink_disconnect_phy(priv->phylink);
|
|
rtnl_unlock();
|
|
|
|
phylink_destroy(priv->phylink);
|
|
}
|
|
|
|
free_netdev(priv->dev);
|
|
}
|