2451 lines
66 KiB
C
2451 lines
66 KiB
C
// SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0
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/* Copyright (c) 2015-2018 Mellanox Technologies. All rights reserved */
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#include <linux/kernel.h>
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#include <linux/types.h>
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#include <linux/netdevice.h>
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#include <linux/etherdevice.h>
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#include <linux/slab.h>
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#include <linux/device.h>
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#include <linux/skbuff.h>
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#include <linux/if_vlan.h>
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#include <linux/if_bridge.h>
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#include <linux/workqueue.h>
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#include <linux/jiffies.h>
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#include <linux/rtnetlink.h>
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#include <linux/netlink.h>
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#include <net/switchdev.h>
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#include "spectrum_span.h"
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#include "spectrum_router.h"
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#include "spectrum_switchdev.h"
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#include "spectrum.h"
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#include "core.h"
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#include "reg.h"
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struct mlxsw_sp_bridge_ops;
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struct mlxsw_sp_bridge {
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struct mlxsw_sp *mlxsw_sp;
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struct {
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struct delayed_work dw;
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#define MLXSW_SP_DEFAULT_LEARNING_INTERVAL 100
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unsigned int interval; /* ms */
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} fdb_notify;
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#define MLXSW_SP_MIN_AGEING_TIME 10
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#define MLXSW_SP_MAX_AGEING_TIME 1000000
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#define MLXSW_SP_DEFAULT_AGEING_TIME 300
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u32 ageing_time;
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bool vlan_enabled_exists;
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struct list_head bridges_list;
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DECLARE_BITMAP(mids_bitmap, MLXSW_SP_MID_MAX);
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const struct mlxsw_sp_bridge_ops *bridge_8021q_ops;
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const struct mlxsw_sp_bridge_ops *bridge_8021d_ops;
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};
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struct mlxsw_sp_bridge_device {
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struct net_device *dev;
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struct list_head list;
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struct list_head ports_list;
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struct list_head mids_list;
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u8 vlan_enabled:1,
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multicast_enabled:1,
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mrouter:1;
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const struct mlxsw_sp_bridge_ops *ops;
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};
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struct mlxsw_sp_bridge_port {
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struct net_device *dev;
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struct mlxsw_sp_bridge_device *bridge_device;
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struct list_head list;
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struct list_head vlans_list;
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unsigned int ref_count;
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u8 stp_state;
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unsigned long flags;
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bool mrouter;
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bool lagged;
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union {
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u16 lag_id;
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u16 system_port;
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};
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};
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struct mlxsw_sp_bridge_vlan {
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struct list_head list;
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struct list_head port_vlan_list;
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u16 vid;
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};
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struct mlxsw_sp_bridge_ops {
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int (*port_join)(struct mlxsw_sp_bridge_device *bridge_device,
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struct mlxsw_sp_bridge_port *bridge_port,
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struct mlxsw_sp_port *mlxsw_sp_port,
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struct netlink_ext_ack *extack);
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void (*port_leave)(struct mlxsw_sp_bridge_device *bridge_device,
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struct mlxsw_sp_bridge_port *bridge_port,
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struct mlxsw_sp_port *mlxsw_sp_port);
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struct mlxsw_sp_fid *
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(*fid_get)(struct mlxsw_sp_bridge_device *bridge_device,
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u16 vid);
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};
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static int
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mlxsw_sp_bridge_port_fdb_flush(struct mlxsw_sp *mlxsw_sp,
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struct mlxsw_sp_bridge_port *bridge_port,
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u16 fid_index);
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static void
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mlxsw_sp_bridge_port_mdb_flush(struct mlxsw_sp_port *mlxsw_sp_port,
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struct mlxsw_sp_bridge_port *bridge_port);
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static void
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mlxsw_sp_bridge_mdb_mc_enable_sync(struct mlxsw_sp_port *mlxsw_sp_port,
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struct mlxsw_sp_bridge_device
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*bridge_device);
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static void
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mlxsw_sp_port_mrouter_update_mdb(struct mlxsw_sp_port *mlxsw_sp_port,
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struct mlxsw_sp_bridge_port *bridge_port,
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bool add);
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static struct mlxsw_sp_bridge_device *
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mlxsw_sp_bridge_device_find(const struct mlxsw_sp_bridge *bridge,
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const struct net_device *br_dev)
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{
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struct mlxsw_sp_bridge_device *bridge_device;
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list_for_each_entry(bridge_device, &bridge->bridges_list, list)
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if (bridge_device->dev == br_dev)
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return bridge_device;
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return NULL;
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}
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bool mlxsw_sp_bridge_device_is_offloaded(const struct mlxsw_sp *mlxsw_sp,
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const struct net_device *br_dev)
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{
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return !!mlxsw_sp_bridge_device_find(mlxsw_sp->bridge, br_dev);
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}
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static int mlxsw_sp_bridge_device_upper_rif_destroy(struct net_device *dev,
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void *data)
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{
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struct mlxsw_sp *mlxsw_sp = data;
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mlxsw_sp_rif_destroy_by_dev(mlxsw_sp, dev);
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return 0;
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}
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static void mlxsw_sp_bridge_device_rifs_destroy(struct mlxsw_sp *mlxsw_sp,
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struct net_device *dev)
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{
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mlxsw_sp_rif_destroy_by_dev(mlxsw_sp, dev);
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netdev_walk_all_upper_dev_rcu(dev,
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mlxsw_sp_bridge_device_upper_rif_destroy,
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mlxsw_sp);
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}
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static struct mlxsw_sp_bridge_device *
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mlxsw_sp_bridge_device_create(struct mlxsw_sp_bridge *bridge,
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struct net_device *br_dev)
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{
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struct device *dev = bridge->mlxsw_sp->bus_info->dev;
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struct mlxsw_sp_bridge_device *bridge_device;
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bool vlan_enabled = br_vlan_enabled(br_dev);
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if (vlan_enabled && bridge->vlan_enabled_exists) {
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dev_err(dev, "Only one VLAN-aware bridge is supported\n");
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return ERR_PTR(-EINVAL);
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}
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bridge_device = kzalloc(sizeof(*bridge_device), GFP_KERNEL);
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if (!bridge_device)
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return ERR_PTR(-ENOMEM);
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bridge_device->dev = br_dev;
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bridge_device->vlan_enabled = vlan_enabled;
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bridge_device->multicast_enabled = br_multicast_enabled(br_dev);
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bridge_device->mrouter = br_multicast_router(br_dev);
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INIT_LIST_HEAD(&bridge_device->ports_list);
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if (vlan_enabled) {
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bridge->vlan_enabled_exists = true;
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bridge_device->ops = bridge->bridge_8021q_ops;
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} else {
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bridge_device->ops = bridge->bridge_8021d_ops;
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}
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INIT_LIST_HEAD(&bridge_device->mids_list);
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list_add(&bridge_device->list, &bridge->bridges_list);
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return bridge_device;
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}
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static void
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mlxsw_sp_bridge_device_destroy(struct mlxsw_sp_bridge *bridge,
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struct mlxsw_sp_bridge_device *bridge_device)
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{
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mlxsw_sp_bridge_device_rifs_destroy(bridge->mlxsw_sp,
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bridge_device->dev);
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list_del(&bridge_device->list);
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if (bridge_device->vlan_enabled)
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bridge->vlan_enabled_exists = false;
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WARN_ON(!list_empty(&bridge_device->ports_list));
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WARN_ON(!list_empty(&bridge_device->mids_list));
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kfree(bridge_device);
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}
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static struct mlxsw_sp_bridge_device *
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mlxsw_sp_bridge_device_get(struct mlxsw_sp_bridge *bridge,
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struct net_device *br_dev)
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{
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struct mlxsw_sp_bridge_device *bridge_device;
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bridge_device = mlxsw_sp_bridge_device_find(bridge, br_dev);
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if (bridge_device)
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return bridge_device;
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return mlxsw_sp_bridge_device_create(bridge, br_dev);
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}
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static void
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mlxsw_sp_bridge_device_put(struct mlxsw_sp_bridge *bridge,
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struct mlxsw_sp_bridge_device *bridge_device)
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{
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if (list_empty(&bridge_device->ports_list))
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mlxsw_sp_bridge_device_destroy(bridge, bridge_device);
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}
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static struct mlxsw_sp_bridge_port *
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__mlxsw_sp_bridge_port_find(const struct mlxsw_sp_bridge_device *bridge_device,
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const struct net_device *brport_dev)
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{
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struct mlxsw_sp_bridge_port *bridge_port;
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list_for_each_entry(bridge_port, &bridge_device->ports_list, list) {
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if (bridge_port->dev == brport_dev)
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return bridge_port;
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}
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return NULL;
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}
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struct mlxsw_sp_bridge_port *
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mlxsw_sp_bridge_port_find(struct mlxsw_sp_bridge *bridge,
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struct net_device *brport_dev)
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{
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struct net_device *br_dev = netdev_master_upper_dev_get(brport_dev);
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struct mlxsw_sp_bridge_device *bridge_device;
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if (!br_dev)
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return NULL;
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bridge_device = mlxsw_sp_bridge_device_find(bridge, br_dev);
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if (!bridge_device)
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return NULL;
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return __mlxsw_sp_bridge_port_find(bridge_device, brport_dev);
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}
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static struct mlxsw_sp_bridge_port *
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mlxsw_sp_bridge_port_create(struct mlxsw_sp_bridge_device *bridge_device,
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struct net_device *brport_dev)
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{
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struct mlxsw_sp_bridge_port *bridge_port;
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struct mlxsw_sp_port *mlxsw_sp_port;
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bridge_port = kzalloc(sizeof(*bridge_port), GFP_KERNEL);
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if (!bridge_port)
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return NULL;
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mlxsw_sp_port = mlxsw_sp_port_dev_lower_find(brport_dev);
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bridge_port->lagged = mlxsw_sp_port->lagged;
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if (bridge_port->lagged)
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bridge_port->lag_id = mlxsw_sp_port->lag_id;
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else
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bridge_port->system_port = mlxsw_sp_port->local_port;
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bridge_port->dev = brport_dev;
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bridge_port->bridge_device = bridge_device;
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bridge_port->stp_state = BR_STATE_DISABLED;
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bridge_port->flags = BR_LEARNING | BR_FLOOD | BR_LEARNING_SYNC |
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BR_MCAST_FLOOD;
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INIT_LIST_HEAD(&bridge_port->vlans_list);
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list_add(&bridge_port->list, &bridge_device->ports_list);
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bridge_port->ref_count = 1;
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return bridge_port;
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}
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static void
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mlxsw_sp_bridge_port_destroy(struct mlxsw_sp_bridge_port *bridge_port)
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{
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list_del(&bridge_port->list);
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WARN_ON(!list_empty(&bridge_port->vlans_list));
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kfree(bridge_port);
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}
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static struct mlxsw_sp_bridge_port *
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mlxsw_sp_bridge_port_get(struct mlxsw_sp_bridge *bridge,
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struct net_device *brport_dev)
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{
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struct net_device *br_dev = netdev_master_upper_dev_get(brport_dev);
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struct mlxsw_sp_bridge_device *bridge_device;
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struct mlxsw_sp_bridge_port *bridge_port;
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int err;
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bridge_port = mlxsw_sp_bridge_port_find(bridge, brport_dev);
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if (bridge_port) {
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bridge_port->ref_count++;
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return bridge_port;
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}
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bridge_device = mlxsw_sp_bridge_device_get(bridge, br_dev);
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if (IS_ERR(bridge_device))
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return ERR_CAST(bridge_device);
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bridge_port = mlxsw_sp_bridge_port_create(bridge_device, brport_dev);
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if (!bridge_port) {
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err = -ENOMEM;
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goto err_bridge_port_create;
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}
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return bridge_port;
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err_bridge_port_create:
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mlxsw_sp_bridge_device_put(bridge, bridge_device);
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return ERR_PTR(err);
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}
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static void mlxsw_sp_bridge_port_put(struct mlxsw_sp_bridge *bridge,
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struct mlxsw_sp_bridge_port *bridge_port)
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{
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struct mlxsw_sp_bridge_device *bridge_device;
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if (--bridge_port->ref_count != 0)
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return;
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bridge_device = bridge_port->bridge_device;
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mlxsw_sp_bridge_port_destroy(bridge_port);
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mlxsw_sp_bridge_device_put(bridge, bridge_device);
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}
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static struct mlxsw_sp_port_vlan *
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mlxsw_sp_port_vlan_find_by_bridge(struct mlxsw_sp_port *mlxsw_sp_port,
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const struct mlxsw_sp_bridge_device *
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bridge_device,
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u16 vid)
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{
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struct mlxsw_sp_port_vlan *mlxsw_sp_port_vlan;
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list_for_each_entry(mlxsw_sp_port_vlan, &mlxsw_sp_port->vlans_list,
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list) {
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if (!mlxsw_sp_port_vlan->bridge_port)
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continue;
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if (mlxsw_sp_port_vlan->bridge_port->bridge_device !=
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bridge_device)
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continue;
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if (bridge_device->vlan_enabled &&
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mlxsw_sp_port_vlan->vid != vid)
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continue;
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return mlxsw_sp_port_vlan;
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}
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return NULL;
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}
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static struct mlxsw_sp_port_vlan*
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mlxsw_sp_port_vlan_find_by_fid(struct mlxsw_sp_port *mlxsw_sp_port,
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u16 fid_index)
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{
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struct mlxsw_sp_port_vlan *mlxsw_sp_port_vlan;
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list_for_each_entry(mlxsw_sp_port_vlan, &mlxsw_sp_port->vlans_list,
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list) {
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struct mlxsw_sp_fid *fid = mlxsw_sp_port_vlan->fid;
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if (fid && mlxsw_sp_fid_index(fid) == fid_index)
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return mlxsw_sp_port_vlan;
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}
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return NULL;
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}
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static struct mlxsw_sp_bridge_vlan *
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mlxsw_sp_bridge_vlan_find(const struct mlxsw_sp_bridge_port *bridge_port,
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u16 vid)
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{
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struct mlxsw_sp_bridge_vlan *bridge_vlan;
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list_for_each_entry(bridge_vlan, &bridge_port->vlans_list, list) {
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if (bridge_vlan->vid == vid)
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return bridge_vlan;
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}
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return NULL;
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}
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static struct mlxsw_sp_bridge_vlan *
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mlxsw_sp_bridge_vlan_create(struct mlxsw_sp_bridge_port *bridge_port, u16 vid)
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{
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struct mlxsw_sp_bridge_vlan *bridge_vlan;
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bridge_vlan = kzalloc(sizeof(*bridge_vlan), GFP_KERNEL);
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if (!bridge_vlan)
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return NULL;
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INIT_LIST_HEAD(&bridge_vlan->port_vlan_list);
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bridge_vlan->vid = vid;
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list_add(&bridge_vlan->list, &bridge_port->vlans_list);
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return bridge_vlan;
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}
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static void
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mlxsw_sp_bridge_vlan_destroy(struct mlxsw_sp_bridge_vlan *bridge_vlan)
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{
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list_del(&bridge_vlan->list);
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WARN_ON(!list_empty(&bridge_vlan->port_vlan_list));
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kfree(bridge_vlan);
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}
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static struct mlxsw_sp_bridge_vlan *
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mlxsw_sp_bridge_vlan_get(struct mlxsw_sp_bridge_port *bridge_port, u16 vid)
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{
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struct mlxsw_sp_bridge_vlan *bridge_vlan;
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bridge_vlan = mlxsw_sp_bridge_vlan_find(bridge_port, vid);
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if (bridge_vlan)
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return bridge_vlan;
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return mlxsw_sp_bridge_vlan_create(bridge_port, vid);
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}
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static void mlxsw_sp_bridge_vlan_put(struct mlxsw_sp_bridge_vlan *bridge_vlan)
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{
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if (list_empty(&bridge_vlan->port_vlan_list))
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mlxsw_sp_bridge_vlan_destroy(bridge_vlan);
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}
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static void mlxsw_sp_port_bridge_flags_get(struct mlxsw_sp_bridge *bridge,
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struct net_device *dev,
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unsigned long *brport_flags)
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{
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struct mlxsw_sp_bridge_port *bridge_port;
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bridge_port = mlxsw_sp_bridge_port_find(bridge, dev);
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if (WARN_ON(!bridge_port))
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return;
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memcpy(brport_flags, &bridge_port->flags, sizeof(*brport_flags));
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}
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static int mlxsw_sp_port_attr_get(struct net_device *dev,
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struct switchdev_attr *attr)
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{
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struct mlxsw_sp_port *mlxsw_sp_port = netdev_priv(dev);
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struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp;
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switch (attr->id) {
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case SWITCHDEV_ATTR_ID_PORT_PARENT_ID:
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attr->u.ppid.id_len = sizeof(mlxsw_sp->base_mac);
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memcpy(&attr->u.ppid.id, &mlxsw_sp->base_mac,
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attr->u.ppid.id_len);
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break;
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case SWITCHDEV_ATTR_ID_PORT_BRIDGE_FLAGS:
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mlxsw_sp_port_bridge_flags_get(mlxsw_sp->bridge, attr->orig_dev,
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&attr->u.brport_flags);
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break;
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case SWITCHDEV_ATTR_ID_PORT_BRIDGE_FLAGS_SUPPORT:
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attr->u.brport_flags_support = BR_LEARNING | BR_FLOOD |
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BR_MCAST_FLOOD;
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break;
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default:
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return -EOPNOTSUPP;
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}
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return 0;
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}
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static int
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mlxsw_sp_port_bridge_vlan_stp_set(struct mlxsw_sp_port *mlxsw_sp_port,
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struct mlxsw_sp_bridge_vlan *bridge_vlan,
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u8 state)
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{
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struct mlxsw_sp_port_vlan *mlxsw_sp_port_vlan;
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list_for_each_entry(mlxsw_sp_port_vlan, &bridge_vlan->port_vlan_list,
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bridge_vlan_node) {
|
|
if (mlxsw_sp_port_vlan->mlxsw_sp_port != mlxsw_sp_port)
|
|
continue;
|
|
return mlxsw_sp_port_vid_stp_set(mlxsw_sp_port,
|
|
bridge_vlan->vid, state);
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int mlxsw_sp_port_attr_stp_state_set(struct mlxsw_sp_port *mlxsw_sp_port,
|
|
struct switchdev_trans *trans,
|
|
struct net_device *orig_dev,
|
|
u8 state)
|
|
{
|
|
struct mlxsw_sp_bridge_port *bridge_port;
|
|
struct mlxsw_sp_bridge_vlan *bridge_vlan;
|
|
int err;
|
|
|
|
if (switchdev_trans_ph_prepare(trans))
|
|
return 0;
|
|
|
|
/* It's possible we failed to enslave the port, yet this
|
|
* operation is executed due to it being deferred.
|
|
*/
|
|
bridge_port = mlxsw_sp_bridge_port_find(mlxsw_sp_port->mlxsw_sp->bridge,
|
|
orig_dev);
|
|
if (!bridge_port)
|
|
return 0;
|
|
|
|
list_for_each_entry(bridge_vlan, &bridge_port->vlans_list, list) {
|
|
err = mlxsw_sp_port_bridge_vlan_stp_set(mlxsw_sp_port,
|
|
bridge_vlan, state);
|
|
if (err)
|
|
goto err_port_bridge_vlan_stp_set;
|
|
}
|
|
|
|
bridge_port->stp_state = state;
|
|
|
|
return 0;
|
|
|
|
err_port_bridge_vlan_stp_set:
|
|
list_for_each_entry_continue_reverse(bridge_vlan,
|
|
&bridge_port->vlans_list, list)
|
|
mlxsw_sp_port_bridge_vlan_stp_set(mlxsw_sp_port, bridge_vlan,
|
|
bridge_port->stp_state);
|
|
return err;
|
|
}
|
|
|
|
static int
|
|
mlxsw_sp_port_bridge_vlan_flood_set(struct mlxsw_sp_port *mlxsw_sp_port,
|
|
struct mlxsw_sp_bridge_vlan *bridge_vlan,
|
|
enum mlxsw_sp_flood_type packet_type,
|
|
bool member)
|
|
{
|
|
struct mlxsw_sp_port_vlan *mlxsw_sp_port_vlan;
|
|
|
|
list_for_each_entry(mlxsw_sp_port_vlan, &bridge_vlan->port_vlan_list,
|
|
bridge_vlan_node) {
|
|
if (mlxsw_sp_port_vlan->mlxsw_sp_port != mlxsw_sp_port)
|
|
continue;
|
|
return mlxsw_sp_fid_flood_set(mlxsw_sp_port_vlan->fid,
|
|
packet_type,
|
|
mlxsw_sp_port->local_port,
|
|
member);
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int
|
|
mlxsw_sp_bridge_port_flood_table_set(struct mlxsw_sp_port *mlxsw_sp_port,
|
|
struct mlxsw_sp_bridge_port *bridge_port,
|
|
enum mlxsw_sp_flood_type packet_type,
|
|
bool member)
|
|
{
|
|
struct mlxsw_sp_bridge_vlan *bridge_vlan;
|
|
int err;
|
|
|
|
list_for_each_entry(bridge_vlan, &bridge_port->vlans_list, list) {
|
|
err = mlxsw_sp_port_bridge_vlan_flood_set(mlxsw_sp_port,
|
|
bridge_vlan,
|
|
packet_type,
|
|
member);
|
|
if (err)
|
|
goto err_port_bridge_vlan_flood_set;
|
|
}
|
|
|
|
return 0;
|
|
|
|
err_port_bridge_vlan_flood_set:
|
|
list_for_each_entry_continue_reverse(bridge_vlan,
|
|
&bridge_port->vlans_list, list)
|
|
mlxsw_sp_port_bridge_vlan_flood_set(mlxsw_sp_port, bridge_vlan,
|
|
packet_type, !member);
|
|
return err;
|
|
}
|
|
|
|
static int
|
|
mlxsw_sp_port_bridge_vlan_learning_set(struct mlxsw_sp_port *mlxsw_sp_port,
|
|
struct mlxsw_sp_bridge_vlan *bridge_vlan,
|
|
bool set)
|
|
{
|
|
struct mlxsw_sp_port_vlan *mlxsw_sp_port_vlan;
|
|
u16 vid = bridge_vlan->vid;
|
|
|
|
list_for_each_entry(mlxsw_sp_port_vlan, &bridge_vlan->port_vlan_list,
|
|
bridge_vlan_node) {
|
|
if (mlxsw_sp_port_vlan->mlxsw_sp_port != mlxsw_sp_port)
|
|
continue;
|
|
return mlxsw_sp_port_vid_learning_set(mlxsw_sp_port, vid, set);
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int
|
|
mlxsw_sp_bridge_port_learning_set(struct mlxsw_sp_port *mlxsw_sp_port,
|
|
struct mlxsw_sp_bridge_port *bridge_port,
|
|
bool set)
|
|
{
|
|
struct mlxsw_sp_bridge_vlan *bridge_vlan;
|
|
int err;
|
|
|
|
list_for_each_entry(bridge_vlan, &bridge_port->vlans_list, list) {
|
|
err = mlxsw_sp_port_bridge_vlan_learning_set(mlxsw_sp_port,
|
|
bridge_vlan, set);
|
|
if (err)
|
|
goto err_port_bridge_vlan_learning_set;
|
|
}
|
|
|
|
return 0;
|
|
|
|
err_port_bridge_vlan_learning_set:
|
|
list_for_each_entry_continue_reverse(bridge_vlan,
|
|
&bridge_port->vlans_list, list)
|
|
mlxsw_sp_port_bridge_vlan_learning_set(mlxsw_sp_port,
|
|
bridge_vlan, !set);
|
|
return err;
|
|
}
|
|
|
|
static int mlxsw_sp_port_attr_br_flags_set(struct mlxsw_sp_port *mlxsw_sp_port,
|
|
struct switchdev_trans *trans,
|
|
struct net_device *orig_dev,
|
|
unsigned long brport_flags)
|
|
{
|
|
struct mlxsw_sp_bridge_port *bridge_port;
|
|
int err;
|
|
|
|
if (switchdev_trans_ph_prepare(trans))
|
|
return 0;
|
|
|
|
bridge_port = mlxsw_sp_bridge_port_find(mlxsw_sp_port->mlxsw_sp->bridge,
|
|
orig_dev);
|
|
if (!bridge_port)
|
|
return 0;
|
|
|
|
err = mlxsw_sp_bridge_port_flood_table_set(mlxsw_sp_port, bridge_port,
|
|
MLXSW_SP_FLOOD_TYPE_UC,
|
|
brport_flags & BR_FLOOD);
|
|
if (err)
|
|
return err;
|
|
|
|
err = mlxsw_sp_bridge_port_learning_set(mlxsw_sp_port, bridge_port,
|
|
brport_flags & BR_LEARNING);
|
|
if (err)
|
|
return err;
|
|
|
|
if (bridge_port->bridge_device->multicast_enabled)
|
|
goto out;
|
|
|
|
err = mlxsw_sp_bridge_port_flood_table_set(mlxsw_sp_port, bridge_port,
|
|
MLXSW_SP_FLOOD_TYPE_MC,
|
|
brport_flags &
|
|
BR_MCAST_FLOOD);
|
|
if (err)
|
|
return err;
|
|
|
|
out:
|
|
memcpy(&bridge_port->flags, &brport_flags, sizeof(brport_flags));
|
|
return 0;
|
|
}
|
|
|
|
static int mlxsw_sp_ageing_set(struct mlxsw_sp *mlxsw_sp, u32 ageing_time)
|
|
{
|
|
char sfdat_pl[MLXSW_REG_SFDAT_LEN];
|
|
int err;
|
|
|
|
mlxsw_reg_sfdat_pack(sfdat_pl, ageing_time);
|
|
err = mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(sfdat), sfdat_pl);
|
|
if (err)
|
|
return err;
|
|
mlxsw_sp->bridge->ageing_time = ageing_time;
|
|
return 0;
|
|
}
|
|
|
|
static int mlxsw_sp_port_attr_br_ageing_set(struct mlxsw_sp_port *mlxsw_sp_port,
|
|
struct switchdev_trans *trans,
|
|
unsigned long ageing_clock_t)
|
|
{
|
|
struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp;
|
|
unsigned long ageing_jiffies = clock_t_to_jiffies(ageing_clock_t);
|
|
u32 ageing_time = jiffies_to_msecs(ageing_jiffies) / 1000;
|
|
|
|
if (switchdev_trans_ph_prepare(trans)) {
|
|
if (ageing_time < MLXSW_SP_MIN_AGEING_TIME ||
|
|
ageing_time > MLXSW_SP_MAX_AGEING_TIME)
|
|
return -ERANGE;
|
|
else
|
|
return 0;
|
|
}
|
|
|
|
return mlxsw_sp_ageing_set(mlxsw_sp, ageing_time);
|
|
}
|
|
|
|
static int mlxsw_sp_port_attr_br_vlan_set(struct mlxsw_sp_port *mlxsw_sp_port,
|
|
struct switchdev_trans *trans,
|
|
struct net_device *orig_dev,
|
|
bool vlan_enabled)
|
|
{
|
|
struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp;
|
|
struct mlxsw_sp_bridge_device *bridge_device;
|
|
|
|
if (!switchdev_trans_ph_prepare(trans))
|
|
return 0;
|
|
|
|
bridge_device = mlxsw_sp_bridge_device_find(mlxsw_sp->bridge, orig_dev);
|
|
if (WARN_ON(!bridge_device))
|
|
return -EINVAL;
|
|
|
|
if (bridge_device->vlan_enabled == vlan_enabled)
|
|
return 0;
|
|
|
|
netdev_err(bridge_device->dev, "VLAN filtering can't be changed for existing bridge\n");
|
|
return -EINVAL;
|
|
}
|
|
|
|
static int mlxsw_sp_port_attr_mrouter_set(struct mlxsw_sp_port *mlxsw_sp_port,
|
|
struct switchdev_trans *trans,
|
|
struct net_device *orig_dev,
|
|
bool is_port_mrouter)
|
|
{
|
|
struct mlxsw_sp_bridge_port *bridge_port;
|
|
int err;
|
|
|
|
if (switchdev_trans_ph_prepare(trans))
|
|
return 0;
|
|
|
|
bridge_port = mlxsw_sp_bridge_port_find(mlxsw_sp_port->mlxsw_sp->bridge,
|
|
orig_dev);
|
|
if (!bridge_port)
|
|
return 0;
|
|
|
|
if (!bridge_port->bridge_device->multicast_enabled)
|
|
goto out;
|
|
|
|
err = mlxsw_sp_bridge_port_flood_table_set(mlxsw_sp_port, bridge_port,
|
|
MLXSW_SP_FLOOD_TYPE_MC,
|
|
is_port_mrouter);
|
|
if (err)
|
|
return err;
|
|
|
|
mlxsw_sp_port_mrouter_update_mdb(mlxsw_sp_port, bridge_port,
|
|
is_port_mrouter);
|
|
out:
|
|
bridge_port->mrouter = is_port_mrouter;
|
|
return 0;
|
|
}
|
|
|
|
static bool mlxsw_sp_mc_flood(const struct mlxsw_sp_bridge_port *bridge_port)
|
|
{
|
|
const struct mlxsw_sp_bridge_device *bridge_device;
|
|
|
|
bridge_device = bridge_port->bridge_device;
|
|
return bridge_device->multicast_enabled ? bridge_port->mrouter :
|
|
bridge_port->flags & BR_MCAST_FLOOD;
|
|
}
|
|
|
|
static int mlxsw_sp_port_mc_disabled_set(struct mlxsw_sp_port *mlxsw_sp_port,
|
|
struct switchdev_trans *trans,
|
|
struct net_device *orig_dev,
|
|
bool mc_disabled)
|
|
{
|
|
struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp;
|
|
struct mlxsw_sp_bridge_device *bridge_device;
|
|
struct mlxsw_sp_bridge_port *bridge_port;
|
|
int err;
|
|
|
|
if (switchdev_trans_ph_prepare(trans))
|
|
return 0;
|
|
|
|
/* It's possible we failed to enslave the port, yet this
|
|
* operation is executed due to it being deferred.
|
|
*/
|
|
bridge_device = mlxsw_sp_bridge_device_find(mlxsw_sp->bridge, orig_dev);
|
|
if (!bridge_device)
|
|
return 0;
|
|
|
|
if (bridge_device->multicast_enabled != !mc_disabled) {
|
|
bridge_device->multicast_enabled = !mc_disabled;
|
|
mlxsw_sp_bridge_mdb_mc_enable_sync(mlxsw_sp_port,
|
|
bridge_device);
|
|
}
|
|
|
|
list_for_each_entry(bridge_port, &bridge_device->ports_list, list) {
|
|
enum mlxsw_sp_flood_type packet_type = MLXSW_SP_FLOOD_TYPE_MC;
|
|
bool member = mlxsw_sp_mc_flood(bridge_port);
|
|
|
|
err = mlxsw_sp_bridge_port_flood_table_set(mlxsw_sp_port,
|
|
bridge_port,
|
|
packet_type, member);
|
|
if (err)
|
|
return err;
|
|
}
|
|
|
|
bridge_device->multicast_enabled = !mc_disabled;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int mlxsw_sp_smid_router_port_set(struct mlxsw_sp *mlxsw_sp,
|
|
u16 mid_idx, bool add)
|
|
{
|
|
char *smid_pl;
|
|
int err;
|
|
|
|
smid_pl = kmalloc(MLXSW_REG_SMID_LEN, GFP_KERNEL);
|
|
if (!smid_pl)
|
|
return -ENOMEM;
|
|
|
|
mlxsw_reg_smid_pack(smid_pl, mid_idx,
|
|
mlxsw_sp_router_port(mlxsw_sp), add);
|
|
err = mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(smid), smid_pl);
|
|
kfree(smid_pl);
|
|
return err;
|
|
}
|
|
|
|
static void
|
|
mlxsw_sp_bridge_mrouter_update_mdb(struct mlxsw_sp *mlxsw_sp,
|
|
struct mlxsw_sp_bridge_device *bridge_device,
|
|
bool add)
|
|
{
|
|
struct mlxsw_sp_mid *mid;
|
|
|
|
list_for_each_entry(mid, &bridge_device->mids_list, list)
|
|
mlxsw_sp_smid_router_port_set(mlxsw_sp, mid->mid, add);
|
|
}
|
|
|
|
static int
|
|
mlxsw_sp_port_attr_br_mrouter_set(struct mlxsw_sp_port *mlxsw_sp_port,
|
|
struct switchdev_trans *trans,
|
|
struct net_device *orig_dev,
|
|
bool is_mrouter)
|
|
{
|
|
struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp;
|
|
struct mlxsw_sp_bridge_device *bridge_device;
|
|
|
|
if (switchdev_trans_ph_prepare(trans))
|
|
return 0;
|
|
|
|
/* It's possible we failed to enslave the port, yet this
|
|
* operation is executed due to it being deferred.
|
|
*/
|
|
bridge_device = mlxsw_sp_bridge_device_find(mlxsw_sp->bridge, orig_dev);
|
|
if (!bridge_device)
|
|
return 0;
|
|
|
|
if (bridge_device->mrouter != is_mrouter)
|
|
mlxsw_sp_bridge_mrouter_update_mdb(mlxsw_sp, bridge_device,
|
|
is_mrouter);
|
|
bridge_device->mrouter = is_mrouter;
|
|
return 0;
|
|
}
|
|
|
|
static int mlxsw_sp_port_attr_set(struct net_device *dev,
|
|
const struct switchdev_attr *attr,
|
|
struct switchdev_trans *trans)
|
|
{
|
|
struct mlxsw_sp_port *mlxsw_sp_port = netdev_priv(dev);
|
|
int err;
|
|
|
|
switch (attr->id) {
|
|
case SWITCHDEV_ATTR_ID_PORT_STP_STATE:
|
|
err = mlxsw_sp_port_attr_stp_state_set(mlxsw_sp_port, trans,
|
|
attr->orig_dev,
|
|
attr->u.stp_state);
|
|
break;
|
|
case SWITCHDEV_ATTR_ID_PORT_BRIDGE_FLAGS:
|
|
err = mlxsw_sp_port_attr_br_flags_set(mlxsw_sp_port, trans,
|
|
attr->orig_dev,
|
|
attr->u.brport_flags);
|
|
break;
|
|
case SWITCHDEV_ATTR_ID_BRIDGE_AGEING_TIME:
|
|
err = mlxsw_sp_port_attr_br_ageing_set(mlxsw_sp_port, trans,
|
|
attr->u.ageing_time);
|
|
break;
|
|
case SWITCHDEV_ATTR_ID_BRIDGE_VLAN_FILTERING:
|
|
err = mlxsw_sp_port_attr_br_vlan_set(mlxsw_sp_port, trans,
|
|
attr->orig_dev,
|
|
attr->u.vlan_filtering);
|
|
break;
|
|
case SWITCHDEV_ATTR_ID_PORT_MROUTER:
|
|
err = mlxsw_sp_port_attr_mrouter_set(mlxsw_sp_port, trans,
|
|
attr->orig_dev,
|
|
attr->u.mrouter);
|
|
break;
|
|
case SWITCHDEV_ATTR_ID_BRIDGE_MC_DISABLED:
|
|
err = mlxsw_sp_port_mc_disabled_set(mlxsw_sp_port, trans,
|
|
attr->orig_dev,
|
|
attr->u.mc_disabled);
|
|
break;
|
|
case SWITCHDEV_ATTR_ID_BRIDGE_MROUTER:
|
|
err = mlxsw_sp_port_attr_br_mrouter_set(mlxsw_sp_port, trans,
|
|
attr->orig_dev,
|
|
attr->u.mrouter);
|
|
break;
|
|
default:
|
|
err = -EOPNOTSUPP;
|
|
break;
|
|
}
|
|
|
|
if (switchdev_trans_ph_commit(trans))
|
|
mlxsw_sp_span_respin(mlxsw_sp_port->mlxsw_sp);
|
|
|
|
return err;
|
|
}
|
|
|
|
static int
|
|
mlxsw_sp_port_vlan_fid_join(struct mlxsw_sp_port_vlan *mlxsw_sp_port_vlan,
|
|
struct mlxsw_sp_bridge_port *bridge_port)
|
|
{
|
|
struct mlxsw_sp_port *mlxsw_sp_port = mlxsw_sp_port_vlan->mlxsw_sp_port;
|
|
struct mlxsw_sp_bridge_device *bridge_device;
|
|
u8 local_port = mlxsw_sp_port->local_port;
|
|
u16 vid = mlxsw_sp_port_vlan->vid;
|
|
struct mlxsw_sp_fid *fid;
|
|
int err;
|
|
|
|
bridge_device = bridge_port->bridge_device;
|
|
fid = bridge_device->ops->fid_get(bridge_device, vid);
|
|
if (IS_ERR(fid))
|
|
return PTR_ERR(fid);
|
|
|
|
err = mlxsw_sp_fid_flood_set(fid, MLXSW_SP_FLOOD_TYPE_UC, local_port,
|
|
bridge_port->flags & BR_FLOOD);
|
|
if (err)
|
|
goto err_fid_uc_flood_set;
|
|
|
|
err = mlxsw_sp_fid_flood_set(fid, MLXSW_SP_FLOOD_TYPE_MC, local_port,
|
|
mlxsw_sp_mc_flood(bridge_port));
|
|
if (err)
|
|
goto err_fid_mc_flood_set;
|
|
|
|
err = mlxsw_sp_fid_flood_set(fid, MLXSW_SP_FLOOD_TYPE_BC, local_port,
|
|
true);
|
|
if (err)
|
|
goto err_fid_bc_flood_set;
|
|
|
|
err = mlxsw_sp_fid_port_vid_map(fid, mlxsw_sp_port, vid);
|
|
if (err)
|
|
goto err_fid_port_vid_map;
|
|
|
|
mlxsw_sp_port_vlan->fid = fid;
|
|
|
|
return 0;
|
|
|
|
err_fid_port_vid_map:
|
|
mlxsw_sp_fid_flood_set(fid, MLXSW_SP_FLOOD_TYPE_BC, local_port, false);
|
|
err_fid_bc_flood_set:
|
|
mlxsw_sp_fid_flood_set(fid, MLXSW_SP_FLOOD_TYPE_MC, local_port, false);
|
|
err_fid_mc_flood_set:
|
|
mlxsw_sp_fid_flood_set(fid, MLXSW_SP_FLOOD_TYPE_UC, local_port, false);
|
|
err_fid_uc_flood_set:
|
|
mlxsw_sp_fid_put(fid);
|
|
return err;
|
|
}
|
|
|
|
static void
|
|
mlxsw_sp_port_vlan_fid_leave(struct mlxsw_sp_port_vlan *mlxsw_sp_port_vlan)
|
|
{
|
|
struct mlxsw_sp_port *mlxsw_sp_port = mlxsw_sp_port_vlan->mlxsw_sp_port;
|
|
struct mlxsw_sp_fid *fid = mlxsw_sp_port_vlan->fid;
|
|
u8 local_port = mlxsw_sp_port->local_port;
|
|
u16 vid = mlxsw_sp_port_vlan->vid;
|
|
|
|
mlxsw_sp_port_vlan->fid = NULL;
|
|
mlxsw_sp_fid_port_vid_unmap(fid, mlxsw_sp_port, vid);
|
|
mlxsw_sp_fid_flood_set(fid, MLXSW_SP_FLOOD_TYPE_BC, local_port, false);
|
|
mlxsw_sp_fid_flood_set(fid, MLXSW_SP_FLOOD_TYPE_MC, local_port, false);
|
|
mlxsw_sp_fid_flood_set(fid, MLXSW_SP_FLOOD_TYPE_UC, local_port, false);
|
|
mlxsw_sp_fid_put(fid);
|
|
}
|
|
|
|
static u16
|
|
mlxsw_sp_port_pvid_determine(const struct mlxsw_sp_port *mlxsw_sp_port,
|
|
u16 vid, bool is_pvid)
|
|
{
|
|
if (is_pvid)
|
|
return vid;
|
|
else if (mlxsw_sp_port->pvid == vid)
|
|
return 0; /* Dis-allow untagged packets */
|
|
else
|
|
return mlxsw_sp_port->pvid;
|
|
}
|
|
|
|
static int
|
|
mlxsw_sp_port_vlan_bridge_join(struct mlxsw_sp_port_vlan *mlxsw_sp_port_vlan,
|
|
struct mlxsw_sp_bridge_port *bridge_port)
|
|
{
|
|
struct mlxsw_sp_port *mlxsw_sp_port = mlxsw_sp_port_vlan->mlxsw_sp_port;
|
|
struct mlxsw_sp_bridge_vlan *bridge_vlan;
|
|
u16 vid = mlxsw_sp_port_vlan->vid;
|
|
int err;
|
|
|
|
/* No need to continue if only VLAN flags were changed */
|
|
if (mlxsw_sp_port_vlan->bridge_port) {
|
|
mlxsw_sp_port_vlan_put(mlxsw_sp_port_vlan);
|
|
return 0;
|
|
}
|
|
|
|
err = mlxsw_sp_port_vlan_fid_join(mlxsw_sp_port_vlan, bridge_port);
|
|
if (err)
|
|
return err;
|
|
|
|
err = mlxsw_sp_port_vid_learning_set(mlxsw_sp_port, vid,
|
|
bridge_port->flags & BR_LEARNING);
|
|
if (err)
|
|
goto err_port_vid_learning_set;
|
|
|
|
err = mlxsw_sp_port_vid_stp_set(mlxsw_sp_port, vid,
|
|
bridge_port->stp_state);
|
|
if (err)
|
|
goto err_port_vid_stp_set;
|
|
|
|
bridge_vlan = mlxsw_sp_bridge_vlan_get(bridge_port, vid);
|
|
if (!bridge_vlan) {
|
|
err = -ENOMEM;
|
|
goto err_bridge_vlan_get;
|
|
}
|
|
|
|
list_add(&mlxsw_sp_port_vlan->bridge_vlan_node,
|
|
&bridge_vlan->port_vlan_list);
|
|
|
|
mlxsw_sp_bridge_port_get(mlxsw_sp_port->mlxsw_sp->bridge,
|
|
bridge_port->dev);
|
|
mlxsw_sp_port_vlan->bridge_port = bridge_port;
|
|
|
|
return 0;
|
|
|
|
err_bridge_vlan_get:
|
|
mlxsw_sp_port_vid_stp_set(mlxsw_sp_port, vid, BR_STATE_DISABLED);
|
|
err_port_vid_stp_set:
|
|
mlxsw_sp_port_vid_learning_set(mlxsw_sp_port, vid, false);
|
|
err_port_vid_learning_set:
|
|
mlxsw_sp_port_vlan_fid_leave(mlxsw_sp_port_vlan);
|
|
return err;
|
|
}
|
|
|
|
void
|
|
mlxsw_sp_port_vlan_bridge_leave(struct mlxsw_sp_port_vlan *mlxsw_sp_port_vlan)
|
|
{
|
|
struct mlxsw_sp_port *mlxsw_sp_port = mlxsw_sp_port_vlan->mlxsw_sp_port;
|
|
struct mlxsw_sp_fid *fid = mlxsw_sp_port_vlan->fid;
|
|
struct mlxsw_sp_bridge_vlan *bridge_vlan;
|
|
struct mlxsw_sp_bridge_port *bridge_port;
|
|
u16 vid = mlxsw_sp_port_vlan->vid;
|
|
bool last_port, last_vlan;
|
|
|
|
if (WARN_ON(mlxsw_sp_fid_type(fid) != MLXSW_SP_FID_TYPE_8021Q &&
|
|
mlxsw_sp_fid_type(fid) != MLXSW_SP_FID_TYPE_8021D))
|
|
return;
|
|
|
|
bridge_port = mlxsw_sp_port_vlan->bridge_port;
|
|
last_vlan = list_is_singular(&bridge_port->vlans_list);
|
|
bridge_vlan = mlxsw_sp_bridge_vlan_find(bridge_port, vid);
|
|
last_port = list_is_singular(&bridge_vlan->port_vlan_list);
|
|
|
|
list_del(&mlxsw_sp_port_vlan->bridge_vlan_node);
|
|
mlxsw_sp_bridge_vlan_put(bridge_vlan);
|
|
mlxsw_sp_port_vid_stp_set(mlxsw_sp_port, vid, BR_STATE_DISABLED);
|
|
mlxsw_sp_port_vid_learning_set(mlxsw_sp_port, vid, false);
|
|
if (last_port)
|
|
mlxsw_sp_bridge_port_fdb_flush(mlxsw_sp_port->mlxsw_sp,
|
|
bridge_port,
|
|
mlxsw_sp_fid_index(fid));
|
|
if (last_vlan)
|
|
mlxsw_sp_bridge_port_mdb_flush(mlxsw_sp_port, bridge_port);
|
|
|
|
mlxsw_sp_port_vlan_fid_leave(mlxsw_sp_port_vlan);
|
|
|
|
mlxsw_sp_bridge_port_put(mlxsw_sp_port->mlxsw_sp->bridge, bridge_port);
|
|
mlxsw_sp_port_vlan->bridge_port = NULL;
|
|
}
|
|
|
|
static int
|
|
mlxsw_sp_bridge_port_vlan_add(struct mlxsw_sp_port *mlxsw_sp_port,
|
|
struct mlxsw_sp_bridge_port *bridge_port,
|
|
u16 vid, bool is_untagged, bool is_pvid)
|
|
{
|
|
u16 pvid = mlxsw_sp_port_pvid_determine(mlxsw_sp_port, vid, is_pvid);
|
|
struct mlxsw_sp_port_vlan *mlxsw_sp_port_vlan;
|
|
u16 old_pvid = mlxsw_sp_port->pvid;
|
|
int err;
|
|
|
|
mlxsw_sp_port_vlan = mlxsw_sp_port_vlan_get(mlxsw_sp_port, vid);
|
|
if (IS_ERR(mlxsw_sp_port_vlan))
|
|
return PTR_ERR(mlxsw_sp_port_vlan);
|
|
|
|
err = mlxsw_sp_port_vlan_set(mlxsw_sp_port, vid, vid, true,
|
|
is_untagged);
|
|
if (err)
|
|
goto err_port_vlan_set;
|
|
|
|
err = mlxsw_sp_port_pvid_set(mlxsw_sp_port, pvid);
|
|
if (err)
|
|
goto err_port_pvid_set;
|
|
|
|
err = mlxsw_sp_port_vlan_bridge_join(mlxsw_sp_port_vlan, bridge_port);
|
|
if (err)
|
|
goto err_port_vlan_bridge_join;
|
|
|
|
return 0;
|
|
|
|
err_port_vlan_bridge_join:
|
|
mlxsw_sp_port_pvid_set(mlxsw_sp_port, old_pvid);
|
|
err_port_pvid_set:
|
|
mlxsw_sp_port_vlan_set(mlxsw_sp_port, vid, vid, false, false);
|
|
err_port_vlan_set:
|
|
mlxsw_sp_port_vlan_put(mlxsw_sp_port_vlan);
|
|
return err;
|
|
}
|
|
|
|
static int
|
|
mlxsw_sp_br_ban_rif_pvid_change(struct mlxsw_sp *mlxsw_sp,
|
|
const struct net_device *br_dev,
|
|
const struct switchdev_obj_port_vlan *vlan)
|
|
{
|
|
struct mlxsw_sp_rif *rif;
|
|
struct mlxsw_sp_fid *fid;
|
|
u16 pvid;
|
|
u16 vid;
|
|
|
|
rif = mlxsw_sp_rif_find_by_dev(mlxsw_sp, br_dev);
|
|
if (!rif)
|
|
return 0;
|
|
fid = mlxsw_sp_rif_fid(rif);
|
|
pvid = mlxsw_sp_fid_8021q_vid(fid);
|
|
|
|
for (vid = vlan->vid_begin; vid <= vlan->vid_end; ++vid) {
|
|
if (vlan->flags & BRIDGE_VLAN_INFO_PVID) {
|
|
if (vid != pvid) {
|
|
netdev_err(br_dev, "Can't change PVID, it's used by router interface\n");
|
|
return -EBUSY;
|
|
}
|
|
} else {
|
|
if (vid == pvid) {
|
|
netdev_err(br_dev, "Can't remove PVID, it's used by router interface\n");
|
|
return -EBUSY;
|
|
}
|
|
}
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int mlxsw_sp_port_vlans_add(struct mlxsw_sp_port *mlxsw_sp_port,
|
|
const struct switchdev_obj_port_vlan *vlan,
|
|
struct switchdev_trans *trans)
|
|
{
|
|
bool flag_untagged = vlan->flags & BRIDGE_VLAN_INFO_UNTAGGED;
|
|
bool flag_pvid = vlan->flags & BRIDGE_VLAN_INFO_PVID;
|
|
struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp;
|
|
struct net_device *orig_dev = vlan->obj.orig_dev;
|
|
struct mlxsw_sp_bridge_port *bridge_port;
|
|
u16 vid;
|
|
|
|
if (netif_is_bridge_master(orig_dev)) {
|
|
int err = 0;
|
|
|
|
if ((vlan->flags & BRIDGE_VLAN_INFO_BRENTRY) &&
|
|
br_vlan_enabled(orig_dev) &&
|
|
switchdev_trans_ph_prepare(trans))
|
|
err = mlxsw_sp_br_ban_rif_pvid_change(mlxsw_sp,
|
|
orig_dev, vlan);
|
|
if (!err)
|
|
err = -EOPNOTSUPP;
|
|
return err;
|
|
}
|
|
|
|
if (switchdev_trans_ph_prepare(trans))
|
|
return 0;
|
|
|
|
bridge_port = mlxsw_sp_bridge_port_find(mlxsw_sp->bridge, orig_dev);
|
|
if (WARN_ON(!bridge_port))
|
|
return -EINVAL;
|
|
|
|
if (!bridge_port->bridge_device->vlan_enabled)
|
|
return 0;
|
|
|
|
for (vid = vlan->vid_begin; vid <= vlan->vid_end; vid++) {
|
|
int err;
|
|
|
|
err = mlxsw_sp_bridge_port_vlan_add(mlxsw_sp_port, bridge_port,
|
|
vid, flag_untagged,
|
|
flag_pvid);
|
|
if (err)
|
|
return err;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static enum mlxsw_reg_sfdf_flush_type mlxsw_sp_fdb_flush_type(bool lagged)
|
|
{
|
|
return lagged ? MLXSW_REG_SFDF_FLUSH_PER_LAG_AND_FID :
|
|
MLXSW_REG_SFDF_FLUSH_PER_PORT_AND_FID;
|
|
}
|
|
|
|
static int
|
|
mlxsw_sp_bridge_port_fdb_flush(struct mlxsw_sp *mlxsw_sp,
|
|
struct mlxsw_sp_bridge_port *bridge_port,
|
|
u16 fid_index)
|
|
{
|
|
bool lagged = bridge_port->lagged;
|
|
char sfdf_pl[MLXSW_REG_SFDF_LEN];
|
|
u16 system_port;
|
|
|
|
system_port = lagged ? bridge_port->lag_id : bridge_port->system_port;
|
|
mlxsw_reg_sfdf_pack(sfdf_pl, mlxsw_sp_fdb_flush_type(lagged));
|
|
mlxsw_reg_sfdf_fid_set(sfdf_pl, fid_index);
|
|
mlxsw_reg_sfdf_port_fid_system_port_set(sfdf_pl, system_port);
|
|
|
|
return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(sfdf), sfdf_pl);
|
|
}
|
|
|
|
static enum mlxsw_reg_sfd_rec_policy mlxsw_sp_sfd_rec_policy(bool dynamic)
|
|
{
|
|
return dynamic ? MLXSW_REG_SFD_REC_POLICY_DYNAMIC_ENTRY_INGRESS :
|
|
MLXSW_REG_SFD_REC_POLICY_DYNAMIC_ENTRY_MLAG;
|
|
}
|
|
|
|
static enum mlxsw_reg_sfd_op mlxsw_sp_sfd_op(bool adding)
|
|
{
|
|
return adding ? MLXSW_REG_SFD_OP_WRITE_EDIT :
|
|
MLXSW_REG_SFD_OP_WRITE_REMOVE;
|
|
}
|
|
|
|
static int __mlxsw_sp_port_fdb_uc_op(struct mlxsw_sp *mlxsw_sp, u8 local_port,
|
|
const char *mac, u16 fid, bool adding,
|
|
enum mlxsw_reg_sfd_rec_action action,
|
|
enum mlxsw_reg_sfd_rec_policy policy)
|
|
{
|
|
char *sfd_pl;
|
|
u8 num_rec;
|
|
int err;
|
|
|
|
sfd_pl = kmalloc(MLXSW_REG_SFD_LEN, GFP_KERNEL);
|
|
if (!sfd_pl)
|
|
return -ENOMEM;
|
|
|
|
mlxsw_reg_sfd_pack(sfd_pl, mlxsw_sp_sfd_op(adding), 0);
|
|
mlxsw_reg_sfd_uc_pack(sfd_pl, 0, policy, mac, fid, action, local_port);
|
|
num_rec = mlxsw_reg_sfd_num_rec_get(sfd_pl);
|
|
err = mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(sfd), sfd_pl);
|
|
if (err)
|
|
goto out;
|
|
|
|
if (num_rec != mlxsw_reg_sfd_num_rec_get(sfd_pl))
|
|
err = -EBUSY;
|
|
|
|
out:
|
|
kfree(sfd_pl);
|
|
return err;
|
|
}
|
|
|
|
static int mlxsw_sp_port_fdb_uc_op(struct mlxsw_sp *mlxsw_sp, u8 local_port,
|
|
const char *mac, u16 fid, bool adding,
|
|
bool dynamic)
|
|
{
|
|
return __mlxsw_sp_port_fdb_uc_op(mlxsw_sp, local_port, mac, fid, adding,
|
|
MLXSW_REG_SFD_REC_ACTION_NOP,
|
|
mlxsw_sp_sfd_rec_policy(dynamic));
|
|
}
|
|
|
|
int mlxsw_sp_rif_fdb_op(struct mlxsw_sp *mlxsw_sp, const char *mac, u16 fid,
|
|
bool adding)
|
|
{
|
|
return __mlxsw_sp_port_fdb_uc_op(mlxsw_sp, 0, mac, fid, adding,
|
|
MLXSW_REG_SFD_REC_ACTION_FORWARD_IP_ROUTER,
|
|
MLXSW_REG_SFD_REC_POLICY_STATIC_ENTRY);
|
|
}
|
|
|
|
static int mlxsw_sp_port_fdb_uc_lag_op(struct mlxsw_sp *mlxsw_sp, u16 lag_id,
|
|
const char *mac, u16 fid, u16 lag_vid,
|
|
bool adding, bool dynamic)
|
|
{
|
|
char *sfd_pl;
|
|
u8 num_rec;
|
|
int err;
|
|
|
|
sfd_pl = kmalloc(MLXSW_REG_SFD_LEN, GFP_KERNEL);
|
|
if (!sfd_pl)
|
|
return -ENOMEM;
|
|
|
|
mlxsw_reg_sfd_pack(sfd_pl, mlxsw_sp_sfd_op(adding), 0);
|
|
mlxsw_reg_sfd_uc_lag_pack(sfd_pl, 0, mlxsw_sp_sfd_rec_policy(dynamic),
|
|
mac, fid, MLXSW_REG_SFD_REC_ACTION_NOP,
|
|
lag_vid, lag_id);
|
|
num_rec = mlxsw_reg_sfd_num_rec_get(sfd_pl);
|
|
err = mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(sfd), sfd_pl);
|
|
if (err)
|
|
goto out;
|
|
|
|
if (num_rec != mlxsw_reg_sfd_num_rec_get(sfd_pl))
|
|
err = -EBUSY;
|
|
|
|
out:
|
|
kfree(sfd_pl);
|
|
return err;
|
|
}
|
|
|
|
static int
|
|
mlxsw_sp_port_fdb_set(struct mlxsw_sp_port *mlxsw_sp_port,
|
|
struct switchdev_notifier_fdb_info *fdb_info, bool adding)
|
|
{
|
|
struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp;
|
|
struct net_device *orig_dev = fdb_info->info.dev;
|
|
struct mlxsw_sp_port_vlan *mlxsw_sp_port_vlan;
|
|
struct mlxsw_sp_bridge_device *bridge_device;
|
|
struct mlxsw_sp_bridge_port *bridge_port;
|
|
u16 fid_index, vid;
|
|
|
|
bridge_port = mlxsw_sp_bridge_port_find(mlxsw_sp->bridge, orig_dev);
|
|
if (!bridge_port)
|
|
return -EINVAL;
|
|
|
|
bridge_device = bridge_port->bridge_device;
|
|
mlxsw_sp_port_vlan = mlxsw_sp_port_vlan_find_by_bridge(mlxsw_sp_port,
|
|
bridge_device,
|
|
fdb_info->vid);
|
|
if (!mlxsw_sp_port_vlan)
|
|
return 0;
|
|
|
|
fid_index = mlxsw_sp_fid_index(mlxsw_sp_port_vlan->fid);
|
|
vid = mlxsw_sp_port_vlan->vid;
|
|
|
|
if (!bridge_port->lagged)
|
|
return mlxsw_sp_port_fdb_uc_op(mlxsw_sp,
|
|
bridge_port->system_port,
|
|
fdb_info->addr, fid_index,
|
|
adding, false);
|
|
else
|
|
return mlxsw_sp_port_fdb_uc_lag_op(mlxsw_sp,
|
|
bridge_port->lag_id,
|
|
fdb_info->addr, fid_index,
|
|
vid, adding, false);
|
|
}
|
|
|
|
static int mlxsw_sp_port_mdb_op(struct mlxsw_sp *mlxsw_sp, const char *addr,
|
|
u16 fid, u16 mid_idx, bool adding)
|
|
{
|
|
char *sfd_pl;
|
|
u8 num_rec;
|
|
int err;
|
|
|
|
sfd_pl = kmalloc(MLXSW_REG_SFD_LEN, GFP_KERNEL);
|
|
if (!sfd_pl)
|
|
return -ENOMEM;
|
|
|
|
mlxsw_reg_sfd_pack(sfd_pl, mlxsw_sp_sfd_op(adding), 0);
|
|
mlxsw_reg_sfd_mc_pack(sfd_pl, 0, addr, fid,
|
|
MLXSW_REG_SFD_REC_ACTION_NOP, mid_idx);
|
|
num_rec = mlxsw_reg_sfd_num_rec_get(sfd_pl);
|
|
err = mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(sfd), sfd_pl);
|
|
if (err)
|
|
goto out;
|
|
|
|
if (num_rec != mlxsw_reg_sfd_num_rec_get(sfd_pl))
|
|
err = -EBUSY;
|
|
|
|
out:
|
|
kfree(sfd_pl);
|
|
return err;
|
|
}
|
|
|
|
static int mlxsw_sp_port_smid_full_entry(struct mlxsw_sp *mlxsw_sp, u16 mid_idx,
|
|
long *ports_bitmap,
|
|
bool set_router_port)
|
|
{
|
|
char *smid_pl;
|
|
int err, i;
|
|
|
|
smid_pl = kmalloc(MLXSW_REG_SMID_LEN, GFP_KERNEL);
|
|
if (!smid_pl)
|
|
return -ENOMEM;
|
|
|
|
mlxsw_reg_smid_pack(smid_pl, mid_idx, 0, false);
|
|
for (i = 1; i < mlxsw_core_max_ports(mlxsw_sp->core); i++) {
|
|
if (mlxsw_sp->ports[i])
|
|
mlxsw_reg_smid_port_mask_set(smid_pl, i, 1);
|
|
}
|
|
|
|
mlxsw_reg_smid_port_mask_set(smid_pl,
|
|
mlxsw_sp_router_port(mlxsw_sp), 1);
|
|
|
|
for_each_set_bit(i, ports_bitmap, mlxsw_core_max_ports(mlxsw_sp->core))
|
|
mlxsw_reg_smid_port_set(smid_pl, i, 1);
|
|
|
|
mlxsw_reg_smid_port_set(smid_pl, mlxsw_sp_router_port(mlxsw_sp),
|
|
set_router_port);
|
|
|
|
err = mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(smid), smid_pl);
|
|
kfree(smid_pl);
|
|
return err;
|
|
}
|
|
|
|
static int mlxsw_sp_port_smid_set(struct mlxsw_sp_port *mlxsw_sp_port,
|
|
u16 mid_idx, bool add)
|
|
{
|
|
struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp;
|
|
char *smid_pl;
|
|
int err;
|
|
|
|
smid_pl = kmalloc(MLXSW_REG_SMID_LEN, GFP_KERNEL);
|
|
if (!smid_pl)
|
|
return -ENOMEM;
|
|
|
|
mlxsw_reg_smid_pack(smid_pl, mid_idx, mlxsw_sp_port->local_port, add);
|
|
err = mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(smid), smid_pl);
|
|
kfree(smid_pl);
|
|
return err;
|
|
}
|
|
|
|
static struct
|
|
mlxsw_sp_mid *__mlxsw_sp_mc_get(struct mlxsw_sp_bridge_device *bridge_device,
|
|
const unsigned char *addr,
|
|
u16 fid)
|
|
{
|
|
struct mlxsw_sp_mid *mid;
|
|
|
|
list_for_each_entry(mid, &bridge_device->mids_list, list) {
|
|
if (ether_addr_equal(mid->addr, addr) && mid->fid == fid)
|
|
return mid;
|
|
}
|
|
return NULL;
|
|
}
|
|
|
|
static void
|
|
mlxsw_sp_bridge_port_get_ports_bitmap(struct mlxsw_sp *mlxsw_sp,
|
|
struct mlxsw_sp_bridge_port *bridge_port,
|
|
unsigned long *ports_bitmap)
|
|
{
|
|
struct mlxsw_sp_port *mlxsw_sp_port;
|
|
u64 max_lag_members, i;
|
|
int lag_id;
|
|
|
|
if (!bridge_port->lagged) {
|
|
set_bit(bridge_port->system_port, ports_bitmap);
|
|
} else {
|
|
max_lag_members = MLXSW_CORE_RES_GET(mlxsw_sp->core,
|
|
MAX_LAG_MEMBERS);
|
|
lag_id = bridge_port->lag_id;
|
|
for (i = 0; i < max_lag_members; i++) {
|
|
mlxsw_sp_port = mlxsw_sp_port_lagged_get(mlxsw_sp,
|
|
lag_id, i);
|
|
if (mlxsw_sp_port)
|
|
set_bit(mlxsw_sp_port->local_port,
|
|
ports_bitmap);
|
|
}
|
|
}
|
|
}
|
|
|
|
static void
|
|
mlxsw_sp_mc_get_mrouters_bitmap(unsigned long *flood_bitmap,
|
|
struct mlxsw_sp_bridge_device *bridge_device,
|
|
struct mlxsw_sp *mlxsw_sp)
|
|
{
|
|
struct mlxsw_sp_bridge_port *bridge_port;
|
|
|
|
list_for_each_entry(bridge_port, &bridge_device->ports_list, list) {
|
|
if (bridge_port->mrouter) {
|
|
mlxsw_sp_bridge_port_get_ports_bitmap(mlxsw_sp,
|
|
bridge_port,
|
|
flood_bitmap);
|
|
}
|
|
}
|
|
}
|
|
|
|
static bool
|
|
mlxsw_sp_mc_write_mdb_entry(struct mlxsw_sp *mlxsw_sp,
|
|
struct mlxsw_sp_mid *mid,
|
|
struct mlxsw_sp_bridge_device *bridge_device)
|
|
{
|
|
long *flood_bitmap;
|
|
int num_of_ports;
|
|
int alloc_size;
|
|
u16 mid_idx;
|
|
int err;
|
|
|
|
mid_idx = find_first_zero_bit(mlxsw_sp->bridge->mids_bitmap,
|
|
MLXSW_SP_MID_MAX);
|
|
if (mid_idx == MLXSW_SP_MID_MAX)
|
|
return false;
|
|
|
|
num_of_ports = mlxsw_core_max_ports(mlxsw_sp->core);
|
|
alloc_size = sizeof(long) * BITS_TO_LONGS(num_of_ports);
|
|
flood_bitmap = kzalloc(alloc_size, GFP_KERNEL);
|
|
if (!flood_bitmap)
|
|
return false;
|
|
|
|
bitmap_copy(flood_bitmap, mid->ports_in_mid, num_of_ports);
|
|
mlxsw_sp_mc_get_mrouters_bitmap(flood_bitmap, bridge_device, mlxsw_sp);
|
|
|
|
mid->mid = mid_idx;
|
|
err = mlxsw_sp_port_smid_full_entry(mlxsw_sp, mid_idx, flood_bitmap,
|
|
bridge_device->mrouter);
|
|
kfree(flood_bitmap);
|
|
if (err)
|
|
return false;
|
|
|
|
err = mlxsw_sp_port_mdb_op(mlxsw_sp, mid->addr, mid->fid, mid_idx,
|
|
true);
|
|
if (err)
|
|
return false;
|
|
|
|
set_bit(mid_idx, mlxsw_sp->bridge->mids_bitmap);
|
|
mid->in_hw = true;
|
|
return true;
|
|
}
|
|
|
|
static int mlxsw_sp_mc_remove_mdb_entry(struct mlxsw_sp *mlxsw_sp,
|
|
struct mlxsw_sp_mid *mid)
|
|
{
|
|
if (!mid->in_hw)
|
|
return 0;
|
|
|
|
clear_bit(mid->mid, mlxsw_sp->bridge->mids_bitmap);
|
|
mid->in_hw = false;
|
|
return mlxsw_sp_port_mdb_op(mlxsw_sp, mid->addr, mid->fid, mid->mid,
|
|
false);
|
|
}
|
|
|
|
static struct
|
|
mlxsw_sp_mid *__mlxsw_sp_mc_alloc(struct mlxsw_sp *mlxsw_sp,
|
|
struct mlxsw_sp_bridge_device *bridge_device,
|
|
const unsigned char *addr,
|
|
u16 fid)
|
|
{
|
|
struct mlxsw_sp_mid *mid;
|
|
size_t alloc_size;
|
|
|
|
mid = kzalloc(sizeof(*mid), GFP_KERNEL);
|
|
if (!mid)
|
|
return NULL;
|
|
|
|
alloc_size = sizeof(unsigned long) *
|
|
BITS_TO_LONGS(mlxsw_core_max_ports(mlxsw_sp->core));
|
|
|
|
mid->ports_in_mid = kzalloc(alloc_size, GFP_KERNEL);
|
|
if (!mid->ports_in_mid)
|
|
goto err_ports_in_mid_alloc;
|
|
|
|
ether_addr_copy(mid->addr, addr);
|
|
mid->fid = fid;
|
|
mid->in_hw = false;
|
|
|
|
if (!bridge_device->multicast_enabled)
|
|
goto out;
|
|
|
|
if (!mlxsw_sp_mc_write_mdb_entry(mlxsw_sp, mid, bridge_device))
|
|
goto err_write_mdb_entry;
|
|
|
|
out:
|
|
list_add_tail(&mid->list, &bridge_device->mids_list);
|
|
return mid;
|
|
|
|
err_write_mdb_entry:
|
|
kfree(mid->ports_in_mid);
|
|
err_ports_in_mid_alloc:
|
|
kfree(mid);
|
|
return NULL;
|
|
}
|
|
|
|
static int mlxsw_sp_port_remove_from_mid(struct mlxsw_sp_port *mlxsw_sp_port,
|
|
struct mlxsw_sp_mid *mid)
|
|
{
|
|
struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp;
|
|
int err = 0;
|
|
|
|
clear_bit(mlxsw_sp_port->local_port, mid->ports_in_mid);
|
|
if (bitmap_empty(mid->ports_in_mid,
|
|
mlxsw_core_max_ports(mlxsw_sp->core))) {
|
|
err = mlxsw_sp_mc_remove_mdb_entry(mlxsw_sp, mid);
|
|
list_del(&mid->list);
|
|
kfree(mid->ports_in_mid);
|
|
kfree(mid);
|
|
}
|
|
return err;
|
|
}
|
|
|
|
static int mlxsw_sp_port_mdb_add(struct mlxsw_sp_port *mlxsw_sp_port,
|
|
const struct switchdev_obj_port_mdb *mdb,
|
|
struct switchdev_trans *trans)
|
|
{
|
|
struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp;
|
|
struct net_device *orig_dev = mdb->obj.orig_dev;
|
|
struct mlxsw_sp_port_vlan *mlxsw_sp_port_vlan;
|
|
struct net_device *dev = mlxsw_sp_port->dev;
|
|
struct mlxsw_sp_bridge_device *bridge_device;
|
|
struct mlxsw_sp_bridge_port *bridge_port;
|
|
struct mlxsw_sp_mid *mid;
|
|
u16 fid_index;
|
|
int err = 0;
|
|
|
|
if (switchdev_trans_ph_commit(trans))
|
|
return 0;
|
|
|
|
bridge_port = mlxsw_sp_bridge_port_find(mlxsw_sp->bridge, orig_dev);
|
|
if (!bridge_port)
|
|
return 0;
|
|
|
|
bridge_device = bridge_port->bridge_device;
|
|
mlxsw_sp_port_vlan = mlxsw_sp_port_vlan_find_by_bridge(mlxsw_sp_port,
|
|
bridge_device,
|
|
mdb->vid);
|
|
if (!mlxsw_sp_port_vlan)
|
|
return 0;
|
|
|
|
fid_index = mlxsw_sp_fid_index(mlxsw_sp_port_vlan->fid);
|
|
|
|
mid = __mlxsw_sp_mc_get(bridge_device, mdb->addr, fid_index);
|
|
if (!mid) {
|
|
mid = __mlxsw_sp_mc_alloc(mlxsw_sp, bridge_device, mdb->addr,
|
|
fid_index);
|
|
if (!mid) {
|
|
netdev_err(dev, "Unable to allocate MC group\n");
|
|
return -ENOMEM;
|
|
}
|
|
}
|
|
set_bit(mlxsw_sp_port->local_port, mid->ports_in_mid);
|
|
|
|
if (!bridge_device->multicast_enabled)
|
|
return 0;
|
|
|
|
if (bridge_port->mrouter)
|
|
return 0;
|
|
|
|
err = mlxsw_sp_port_smid_set(mlxsw_sp_port, mid->mid, true);
|
|
if (err) {
|
|
netdev_err(dev, "Unable to set SMID\n");
|
|
goto err_out;
|
|
}
|
|
|
|
return 0;
|
|
|
|
err_out:
|
|
mlxsw_sp_port_remove_from_mid(mlxsw_sp_port, mid);
|
|
return err;
|
|
}
|
|
|
|
static void
|
|
mlxsw_sp_bridge_mdb_mc_enable_sync(struct mlxsw_sp_port *mlxsw_sp_port,
|
|
struct mlxsw_sp_bridge_device
|
|
*bridge_device)
|
|
{
|
|
struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp;
|
|
struct mlxsw_sp_mid *mid;
|
|
bool mc_enabled;
|
|
|
|
mc_enabled = bridge_device->multicast_enabled;
|
|
|
|
list_for_each_entry(mid, &bridge_device->mids_list, list) {
|
|
if (mc_enabled)
|
|
mlxsw_sp_mc_write_mdb_entry(mlxsw_sp, mid,
|
|
bridge_device);
|
|
else
|
|
mlxsw_sp_mc_remove_mdb_entry(mlxsw_sp, mid);
|
|
}
|
|
}
|
|
|
|
static void
|
|
mlxsw_sp_port_mrouter_update_mdb(struct mlxsw_sp_port *mlxsw_sp_port,
|
|
struct mlxsw_sp_bridge_port *bridge_port,
|
|
bool add)
|
|
{
|
|
struct mlxsw_sp_bridge_device *bridge_device;
|
|
struct mlxsw_sp_mid *mid;
|
|
|
|
bridge_device = bridge_port->bridge_device;
|
|
|
|
list_for_each_entry(mid, &bridge_device->mids_list, list) {
|
|
if (!test_bit(mlxsw_sp_port->local_port, mid->ports_in_mid))
|
|
mlxsw_sp_port_smid_set(mlxsw_sp_port, mid->mid, add);
|
|
}
|
|
}
|
|
|
|
struct mlxsw_sp_span_respin_work {
|
|
struct work_struct work;
|
|
struct mlxsw_sp *mlxsw_sp;
|
|
};
|
|
|
|
static void mlxsw_sp_span_respin_work(struct work_struct *work)
|
|
{
|
|
struct mlxsw_sp_span_respin_work *respin_work =
|
|
container_of(work, struct mlxsw_sp_span_respin_work, work);
|
|
|
|
rtnl_lock();
|
|
mlxsw_sp_span_respin(respin_work->mlxsw_sp);
|
|
rtnl_unlock();
|
|
kfree(respin_work);
|
|
}
|
|
|
|
static void mlxsw_sp_span_respin_schedule(struct mlxsw_sp *mlxsw_sp)
|
|
{
|
|
struct mlxsw_sp_span_respin_work *respin_work;
|
|
|
|
respin_work = kzalloc(sizeof(*respin_work), GFP_ATOMIC);
|
|
if (!respin_work)
|
|
return;
|
|
|
|
INIT_WORK(&respin_work->work, mlxsw_sp_span_respin_work);
|
|
respin_work->mlxsw_sp = mlxsw_sp;
|
|
|
|
mlxsw_core_schedule_work(&respin_work->work);
|
|
}
|
|
|
|
static int mlxsw_sp_port_obj_add(struct net_device *dev,
|
|
const struct switchdev_obj *obj,
|
|
struct switchdev_trans *trans)
|
|
{
|
|
struct mlxsw_sp_port *mlxsw_sp_port = netdev_priv(dev);
|
|
const struct switchdev_obj_port_vlan *vlan;
|
|
int err = 0;
|
|
|
|
switch (obj->id) {
|
|
case SWITCHDEV_OBJ_ID_PORT_VLAN:
|
|
vlan = SWITCHDEV_OBJ_PORT_VLAN(obj);
|
|
err = mlxsw_sp_port_vlans_add(mlxsw_sp_port, vlan, trans);
|
|
|
|
if (switchdev_trans_ph_prepare(trans)) {
|
|
/* The event is emitted before the changes are actually
|
|
* applied to the bridge. Therefore schedule the respin
|
|
* call for later, so that the respin logic sees the
|
|
* updated bridge state.
|
|
*/
|
|
mlxsw_sp_span_respin_schedule(mlxsw_sp_port->mlxsw_sp);
|
|
}
|
|
break;
|
|
case SWITCHDEV_OBJ_ID_PORT_MDB:
|
|
err = mlxsw_sp_port_mdb_add(mlxsw_sp_port,
|
|
SWITCHDEV_OBJ_PORT_MDB(obj),
|
|
trans);
|
|
break;
|
|
default:
|
|
err = -EOPNOTSUPP;
|
|
break;
|
|
}
|
|
|
|
return err;
|
|
}
|
|
|
|
static void
|
|
mlxsw_sp_bridge_port_vlan_del(struct mlxsw_sp_port *mlxsw_sp_port,
|
|
struct mlxsw_sp_bridge_port *bridge_port, u16 vid)
|
|
{
|
|
u16 pvid = mlxsw_sp_port->pvid == vid ? 0 : mlxsw_sp_port->pvid;
|
|
struct mlxsw_sp_port_vlan *mlxsw_sp_port_vlan;
|
|
|
|
mlxsw_sp_port_vlan = mlxsw_sp_port_vlan_find_by_vid(mlxsw_sp_port, vid);
|
|
if (WARN_ON(!mlxsw_sp_port_vlan))
|
|
return;
|
|
|
|
mlxsw_sp_port_vlan_bridge_leave(mlxsw_sp_port_vlan);
|
|
mlxsw_sp_port_pvid_set(mlxsw_sp_port, pvid);
|
|
mlxsw_sp_port_vlan_set(mlxsw_sp_port, vid, vid, false, false);
|
|
mlxsw_sp_port_vlan_put(mlxsw_sp_port_vlan);
|
|
}
|
|
|
|
static int mlxsw_sp_port_vlans_del(struct mlxsw_sp_port *mlxsw_sp_port,
|
|
const struct switchdev_obj_port_vlan *vlan)
|
|
{
|
|
struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp;
|
|
struct net_device *orig_dev = vlan->obj.orig_dev;
|
|
struct mlxsw_sp_bridge_port *bridge_port;
|
|
u16 vid;
|
|
|
|
if (netif_is_bridge_master(orig_dev))
|
|
return -EOPNOTSUPP;
|
|
|
|
bridge_port = mlxsw_sp_bridge_port_find(mlxsw_sp->bridge, orig_dev);
|
|
if (WARN_ON(!bridge_port))
|
|
return -EINVAL;
|
|
|
|
if (!bridge_port->bridge_device->vlan_enabled)
|
|
return 0;
|
|
|
|
for (vid = vlan->vid_begin; vid <= vlan->vid_end; vid++)
|
|
mlxsw_sp_bridge_port_vlan_del(mlxsw_sp_port, bridge_port, vid);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int
|
|
__mlxsw_sp_port_mdb_del(struct mlxsw_sp_port *mlxsw_sp_port,
|
|
struct mlxsw_sp_bridge_port *bridge_port,
|
|
struct mlxsw_sp_mid *mid)
|
|
{
|
|
struct net_device *dev = mlxsw_sp_port->dev;
|
|
int err;
|
|
|
|
if (bridge_port->bridge_device->multicast_enabled &&
|
|
!bridge_port->mrouter) {
|
|
err = mlxsw_sp_port_smid_set(mlxsw_sp_port, mid->mid, false);
|
|
if (err)
|
|
netdev_err(dev, "Unable to remove port from SMID\n");
|
|
}
|
|
|
|
err = mlxsw_sp_port_remove_from_mid(mlxsw_sp_port, mid);
|
|
if (err)
|
|
netdev_err(dev, "Unable to remove MC SFD\n");
|
|
|
|
return err;
|
|
}
|
|
|
|
static int mlxsw_sp_port_mdb_del(struct mlxsw_sp_port *mlxsw_sp_port,
|
|
const struct switchdev_obj_port_mdb *mdb)
|
|
{
|
|
struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp;
|
|
struct net_device *orig_dev = mdb->obj.orig_dev;
|
|
struct mlxsw_sp_port_vlan *mlxsw_sp_port_vlan;
|
|
struct mlxsw_sp_bridge_device *bridge_device;
|
|
struct net_device *dev = mlxsw_sp_port->dev;
|
|
struct mlxsw_sp_bridge_port *bridge_port;
|
|
struct mlxsw_sp_mid *mid;
|
|
u16 fid_index;
|
|
|
|
bridge_port = mlxsw_sp_bridge_port_find(mlxsw_sp->bridge, orig_dev);
|
|
if (!bridge_port)
|
|
return 0;
|
|
|
|
bridge_device = bridge_port->bridge_device;
|
|
mlxsw_sp_port_vlan = mlxsw_sp_port_vlan_find_by_bridge(mlxsw_sp_port,
|
|
bridge_device,
|
|
mdb->vid);
|
|
if (!mlxsw_sp_port_vlan)
|
|
return 0;
|
|
|
|
fid_index = mlxsw_sp_fid_index(mlxsw_sp_port_vlan->fid);
|
|
|
|
mid = __mlxsw_sp_mc_get(bridge_device, mdb->addr, fid_index);
|
|
if (!mid) {
|
|
netdev_err(dev, "Unable to remove port from MC DB\n");
|
|
return -EINVAL;
|
|
}
|
|
|
|
return __mlxsw_sp_port_mdb_del(mlxsw_sp_port, bridge_port, mid);
|
|
}
|
|
|
|
static void
|
|
mlxsw_sp_bridge_port_mdb_flush(struct mlxsw_sp_port *mlxsw_sp_port,
|
|
struct mlxsw_sp_bridge_port *bridge_port)
|
|
{
|
|
struct mlxsw_sp_bridge_device *bridge_device;
|
|
struct mlxsw_sp_mid *mid, *tmp;
|
|
|
|
bridge_device = bridge_port->bridge_device;
|
|
|
|
list_for_each_entry_safe(mid, tmp, &bridge_device->mids_list, list) {
|
|
if (test_bit(mlxsw_sp_port->local_port, mid->ports_in_mid)) {
|
|
__mlxsw_sp_port_mdb_del(mlxsw_sp_port, bridge_port,
|
|
mid);
|
|
} else if (bridge_device->multicast_enabled &&
|
|
bridge_port->mrouter) {
|
|
mlxsw_sp_port_smid_set(mlxsw_sp_port, mid->mid, false);
|
|
}
|
|
}
|
|
}
|
|
|
|
static int mlxsw_sp_port_obj_del(struct net_device *dev,
|
|
const struct switchdev_obj *obj)
|
|
{
|
|
struct mlxsw_sp_port *mlxsw_sp_port = netdev_priv(dev);
|
|
int err = 0;
|
|
|
|
switch (obj->id) {
|
|
case SWITCHDEV_OBJ_ID_PORT_VLAN:
|
|
err = mlxsw_sp_port_vlans_del(mlxsw_sp_port,
|
|
SWITCHDEV_OBJ_PORT_VLAN(obj));
|
|
break;
|
|
case SWITCHDEV_OBJ_ID_PORT_MDB:
|
|
err = mlxsw_sp_port_mdb_del(mlxsw_sp_port,
|
|
SWITCHDEV_OBJ_PORT_MDB(obj));
|
|
break;
|
|
default:
|
|
err = -EOPNOTSUPP;
|
|
break;
|
|
}
|
|
|
|
mlxsw_sp_span_respin_schedule(mlxsw_sp_port->mlxsw_sp);
|
|
|
|
return err;
|
|
}
|
|
|
|
static struct mlxsw_sp_port *mlxsw_sp_lag_rep_port(struct mlxsw_sp *mlxsw_sp,
|
|
u16 lag_id)
|
|
{
|
|
struct mlxsw_sp_port *mlxsw_sp_port;
|
|
u64 max_lag_members;
|
|
int i;
|
|
|
|
max_lag_members = MLXSW_CORE_RES_GET(mlxsw_sp->core,
|
|
MAX_LAG_MEMBERS);
|
|
for (i = 0; i < max_lag_members; i++) {
|
|
mlxsw_sp_port = mlxsw_sp_port_lagged_get(mlxsw_sp, lag_id, i);
|
|
if (mlxsw_sp_port)
|
|
return mlxsw_sp_port;
|
|
}
|
|
return NULL;
|
|
}
|
|
|
|
static const struct switchdev_ops mlxsw_sp_port_switchdev_ops = {
|
|
.switchdev_port_attr_get = mlxsw_sp_port_attr_get,
|
|
.switchdev_port_attr_set = mlxsw_sp_port_attr_set,
|
|
.switchdev_port_obj_add = mlxsw_sp_port_obj_add,
|
|
.switchdev_port_obj_del = mlxsw_sp_port_obj_del,
|
|
};
|
|
|
|
static int
|
|
mlxsw_sp_bridge_8021q_port_join(struct mlxsw_sp_bridge_device *bridge_device,
|
|
struct mlxsw_sp_bridge_port *bridge_port,
|
|
struct mlxsw_sp_port *mlxsw_sp_port,
|
|
struct netlink_ext_ack *extack)
|
|
{
|
|
struct mlxsw_sp_port_vlan *mlxsw_sp_port_vlan;
|
|
|
|
if (is_vlan_dev(bridge_port->dev)) {
|
|
NL_SET_ERR_MSG_MOD(extack, "Can not enslave a VLAN device to a VLAN-aware bridge");
|
|
return -EINVAL;
|
|
}
|
|
|
|
mlxsw_sp_port_vlan = mlxsw_sp_port_vlan_find_by_vid(mlxsw_sp_port, 1);
|
|
if (WARN_ON(!mlxsw_sp_port_vlan))
|
|
return -EINVAL;
|
|
|
|
/* Let VLAN-aware bridge take care of its own VLANs */
|
|
mlxsw_sp_port_vlan_put(mlxsw_sp_port_vlan);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static void
|
|
mlxsw_sp_bridge_8021q_port_leave(struct mlxsw_sp_bridge_device *bridge_device,
|
|
struct mlxsw_sp_bridge_port *bridge_port,
|
|
struct mlxsw_sp_port *mlxsw_sp_port)
|
|
{
|
|
mlxsw_sp_port_vlan_get(mlxsw_sp_port, 1);
|
|
/* Make sure untagged frames are allowed to ingress */
|
|
mlxsw_sp_port_pvid_set(mlxsw_sp_port, 1);
|
|
}
|
|
|
|
static struct mlxsw_sp_fid *
|
|
mlxsw_sp_bridge_8021q_fid_get(struct mlxsw_sp_bridge_device *bridge_device,
|
|
u16 vid)
|
|
{
|
|
struct mlxsw_sp *mlxsw_sp = mlxsw_sp_lower_get(bridge_device->dev);
|
|
|
|
return mlxsw_sp_fid_8021q_get(mlxsw_sp, vid);
|
|
}
|
|
|
|
static const struct mlxsw_sp_bridge_ops mlxsw_sp_bridge_8021q_ops = {
|
|
.port_join = mlxsw_sp_bridge_8021q_port_join,
|
|
.port_leave = mlxsw_sp_bridge_8021q_port_leave,
|
|
.fid_get = mlxsw_sp_bridge_8021q_fid_get,
|
|
};
|
|
|
|
static bool
|
|
mlxsw_sp_port_is_br_member(const struct mlxsw_sp_port *mlxsw_sp_port,
|
|
const struct net_device *br_dev)
|
|
{
|
|
struct mlxsw_sp_port_vlan *mlxsw_sp_port_vlan;
|
|
|
|
list_for_each_entry(mlxsw_sp_port_vlan, &mlxsw_sp_port->vlans_list,
|
|
list) {
|
|
if (mlxsw_sp_port_vlan->bridge_port &&
|
|
mlxsw_sp_port_vlan->bridge_port->bridge_device->dev ==
|
|
br_dev)
|
|
return true;
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
static int
|
|
mlxsw_sp_bridge_8021d_port_join(struct mlxsw_sp_bridge_device *bridge_device,
|
|
struct mlxsw_sp_bridge_port *bridge_port,
|
|
struct mlxsw_sp_port *mlxsw_sp_port,
|
|
struct netlink_ext_ack *extack)
|
|
{
|
|
struct mlxsw_sp_port_vlan *mlxsw_sp_port_vlan;
|
|
struct net_device *dev = bridge_port->dev;
|
|
u16 vid;
|
|
|
|
vid = is_vlan_dev(dev) ? vlan_dev_vlan_id(dev) : 1;
|
|
mlxsw_sp_port_vlan = mlxsw_sp_port_vlan_find_by_vid(mlxsw_sp_port, vid);
|
|
if (WARN_ON(!mlxsw_sp_port_vlan))
|
|
return -EINVAL;
|
|
|
|
if (mlxsw_sp_port_is_br_member(mlxsw_sp_port, bridge_device->dev)) {
|
|
NL_SET_ERR_MSG_MOD(extack, "Can not bridge VLAN uppers of the same port");
|
|
return -EINVAL;
|
|
}
|
|
|
|
/* Port is no longer usable as a router interface */
|
|
if (mlxsw_sp_port_vlan->fid)
|
|
mlxsw_sp_port_vlan_router_leave(mlxsw_sp_port_vlan);
|
|
|
|
return mlxsw_sp_port_vlan_bridge_join(mlxsw_sp_port_vlan, bridge_port);
|
|
}
|
|
|
|
static void
|
|
mlxsw_sp_bridge_8021d_port_leave(struct mlxsw_sp_bridge_device *bridge_device,
|
|
struct mlxsw_sp_bridge_port *bridge_port,
|
|
struct mlxsw_sp_port *mlxsw_sp_port)
|
|
{
|
|
struct mlxsw_sp_port_vlan *mlxsw_sp_port_vlan;
|
|
struct net_device *dev = bridge_port->dev;
|
|
u16 vid;
|
|
|
|
vid = is_vlan_dev(dev) ? vlan_dev_vlan_id(dev) : 1;
|
|
mlxsw_sp_port_vlan = mlxsw_sp_port_vlan_find_by_vid(mlxsw_sp_port, vid);
|
|
if (!mlxsw_sp_port_vlan)
|
|
return;
|
|
|
|
mlxsw_sp_port_vlan_bridge_leave(mlxsw_sp_port_vlan);
|
|
}
|
|
|
|
static struct mlxsw_sp_fid *
|
|
mlxsw_sp_bridge_8021d_fid_get(struct mlxsw_sp_bridge_device *bridge_device,
|
|
u16 vid)
|
|
{
|
|
struct mlxsw_sp *mlxsw_sp = mlxsw_sp_lower_get(bridge_device->dev);
|
|
|
|
return mlxsw_sp_fid_8021d_get(mlxsw_sp, bridge_device->dev->ifindex);
|
|
}
|
|
|
|
static const struct mlxsw_sp_bridge_ops mlxsw_sp_bridge_8021d_ops = {
|
|
.port_join = mlxsw_sp_bridge_8021d_port_join,
|
|
.port_leave = mlxsw_sp_bridge_8021d_port_leave,
|
|
.fid_get = mlxsw_sp_bridge_8021d_fid_get,
|
|
};
|
|
|
|
int mlxsw_sp_port_bridge_join(struct mlxsw_sp_port *mlxsw_sp_port,
|
|
struct net_device *brport_dev,
|
|
struct net_device *br_dev,
|
|
struct netlink_ext_ack *extack)
|
|
{
|
|
struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp;
|
|
struct mlxsw_sp_bridge_device *bridge_device;
|
|
struct mlxsw_sp_bridge_port *bridge_port;
|
|
int err;
|
|
|
|
bridge_port = mlxsw_sp_bridge_port_get(mlxsw_sp->bridge, brport_dev);
|
|
if (IS_ERR(bridge_port))
|
|
return PTR_ERR(bridge_port);
|
|
bridge_device = bridge_port->bridge_device;
|
|
|
|
err = bridge_device->ops->port_join(bridge_device, bridge_port,
|
|
mlxsw_sp_port, extack);
|
|
if (err)
|
|
goto err_port_join;
|
|
|
|
return 0;
|
|
|
|
err_port_join:
|
|
mlxsw_sp_bridge_port_put(mlxsw_sp->bridge, bridge_port);
|
|
return err;
|
|
}
|
|
|
|
void mlxsw_sp_port_bridge_leave(struct mlxsw_sp_port *mlxsw_sp_port,
|
|
struct net_device *brport_dev,
|
|
struct net_device *br_dev)
|
|
{
|
|
struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp;
|
|
struct mlxsw_sp_bridge_device *bridge_device;
|
|
struct mlxsw_sp_bridge_port *bridge_port;
|
|
|
|
bridge_device = mlxsw_sp_bridge_device_find(mlxsw_sp->bridge, br_dev);
|
|
if (!bridge_device)
|
|
return;
|
|
bridge_port = __mlxsw_sp_bridge_port_find(bridge_device, brport_dev);
|
|
if (!bridge_port)
|
|
return;
|
|
|
|
bridge_device->ops->port_leave(bridge_device, bridge_port,
|
|
mlxsw_sp_port);
|
|
mlxsw_sp_bridge_port_put(mlxsw_sp->bridge, bridge_port);
|
|
}
|
|
|
|
static void
|
|
mlxsw_sp_fdb_call_notifiers(enum switchdev_notifier_type type,
|
|
const char *mac, u16 vid,
|
|
struct net_device *dev)
|
|
{
|
|
struct switchdev_notifier_fdb_info info;
|
|
|
|
info.addr = mac;
|
|
info.vid = vid;
|
|
call_switchdev_notifiers(type, dev, &info.info);
|
|
}
|
|
|
|
static void mlxsw_sp_fdb_notify_mac_process(struct mlxsw_sp *mlxsw_sp,
|
|
char *sfn_pl, int rec_index,
|
|
bool adding)
|
|
{
|
|
struct mlxsw_sp_port_vlan *mlxsw_sp_port_vlan;
|
|
struct mlxsw_sp_bridge_device *bridge_device;
|
|
struct mlxsw_sp_bridge_port *bridge_port;
|
|
struct mlxsw_sp_port *mlxsw_sp_port;
|
|
enum switchdev_notifier_type type;
|
|
char mac[ETH_ALEN];
|
|
u8 local_port;
|
|
u16 vid, fid;
|
|
bool do_notification = true;
|
|
int err;
|
|
|
|
mlxsw_reg_sfn_mac_unpack(sfn_pl, rec_index, mac, &fid, &local_port);
|
|
mlxsw_sp_port = mlxsw_sp->ports[local_port];
|
|
if (!mlxsw_sp_port) {
|
|
dev_err_ratelimited(mlxsw_sp->bus_info->dev, "Incorrect local port in FDB notification\n");
|
|
goto just_remove;
|
|
}
|
|
|
|
mlxsw_sp_port_vlan = mlxsw_sp_port_vlan_find_by_fid(mlxsw_sp_port, fid);
|
|
if (!mlxsw_sp_port_vlan) {
|
|
netdev_err(mlxsw_sp_port->dev, "Failed to find a matching {Port, VID} following FDB notification\n");
|
|
goto just_remove;
|
|
}
|
|
|
|
bridge_port = mlxsw_sp_port_vlan->bridge_port;
|
|
if (!bridge_port) {
|
|
netdev_err(mlxsw_sp_port->dev, "{Port, VID} not associated with a bridge\n");
|
|
goto just_remove;
|
|
}
|
|
|
|
bridge_device = bridge_port->bridge_device;
|
|
vid = bridge_device->vlan_enabled ? mlxsw_sp_port_vlan->vid : 0;
|
|
|
|
do_fdb_op:
|
|
err = mlxsw_sp_port_fdb_uc_op(mlxsw_sp, local_port, mac, fid,
|
|
adding, true);
|
|
if (err) {
|
|
dev_err_ratelimited(mlxsw_sp->bus_info->dev, "Failed to set FDB entry\n");
|
|
return;
|
|
}
|
|
|
|
if (!do_notification)
|
|
return;
|
|
type = adding ? SWITCHDEV_FDB_ADD_TO_BRIDGE : SWITCHDEV_FDB_DEL_TO_BRIDGE;
|
|
mlxsw_sp_fdb_call_notifiers(type, mac, vid, bridge_port->dev);
|
|
|
|
return;
|
|
|
|
just_remove:
|
|
adding = false;
|
|
do_notification = false;
|
|
goto do_fdb_op;
|
|
}
|
|
|
|
static void mlxsw_sp_fdb_notify_mac_lag_process(struct mlxsw_sp *mlxsw_sp,
|
|
char *sfn_pl, int rec_index,
|
|
bool adding)
|
|
{
|
|
struct mlxsw_sp_port_vlan *mlxsw_sp_port_vlan;
|
|
struct mlxsw_sp_bridge_device *bridge_device;
|
|
struct mlxsw_sp_bridge_port *bridge_port;
|
|
struct mlxsw_sp_port *mlxsw_sp_port;
|
|
enum switchdev_notifier_type type;
|
|
char mac[ETH_ALEN];
|
|
u16 lag_vid = 0;
|
|
u16 lag_id;
|
|
u16 vid, fid;
|
|
bool do_notification = true;
|
|
int err;
|
|
|
|
mlxsw_reg_sfn_mac_lag_unpack(sfn_pl, rec_index, mac, &fid, &lag_id);
|
|
mlxsw_sp_port = mlxsw_sp_lag_rep_port(mlxsw_sp, lag_id);
|
|
if (!mlxsw_sp_port) {
|
|
dev_err_ratelimited(mlxsw_sp->bus_info->dev, "Cannot find port representor for LAG\n");
|
|
goto just_remove;
|
|
}
|
|
|
|
mlxsw_sp_port_vlan = mlxsw_sp_port_vlan_find_by_fid(mlxsw_sp_port, fid);
|
|
if (!mlxsw_sp_port_vlan) {
|
|
netdev_err(mlxsw_sp_port->dev, "Failed to find a matching {Port, VID} following FDB notification\n");
|
|
goto just_remove;
|
|
}
|
|
|
|
bridge_port = mlxsw_sp_port_vlan->bridge_port;
|
|
if (!bridge_port) {
|
|
netdev_err(mlxsw_sp_port->dev, "{Port, VID} not associated with a bridge\n");
|
|
goto just_remove;
|
|
}
|
|
|
|
bridge_device = bridge_port->bridge_device;
|
|
vid = bridge_device->vlan_enabled ? mlxsw_sp_port_vlan->vid : 0;
|
|
lag_vid = mlxsw_sp_port_vlan->vid;
|
|
|
|
do_fdb_op:
|
|
err = mlxsw_sp_port_fdb_uc_lag_op(mlxsw_sp, lag_id, mac, fid, lag_vid,
|
|
adding, true);
|
|
if (err) {
|
|
dev_err_ratelimited(mlxsw_sp->bus_info->dev, "Failed to set FDB entry\n");
|
|
return;
|
|
}
|
|
|
|
if (!do_notification)
|
|
return;
|
|
type = adding ? SWITCHDEV_FDB_ADD_TO_BRIDGE : SWITCHDEV_FDB_DEL_TO_BRIDGE;
|
|
mlxsw_sp_fdb_call_notifiers(type, mac, vid, bridge_port->dev);
|
|
|
|
return;
|
|
|
|
just_remove:
|
|
adding = false;
|
|
do_notification = false;
|
|
goto do_fdb_op;
|
|
}
|
|
|
|
static void mlxsw_sp_fdb_notify_rec_process(struct mlxsw_sp *mlxsw_sp,
|
|
char *sfn_pl, int rec_index)
|
|
{
|
|
switch (mlxsw_reg_sfn_rec_type_get(sfn_pl, rec_index)) {
|
|
case MLXSW_REG_SFN_REC_TYPE_LEARNED_MAC:
|
|
mlxsw_sp_fdb_notify_mac_process(mlxsw_sp, sfn_pl,
|
|
rec_index, true);
|
|
break;
|
|
case MLXSW_REG_SFN_REC_TYPE_AGED_OUT_MAC:
|
|
mlxsw_sp_fdb_notify_mac_process(mlxsw_sp, sfn_pl,
|
|
rec_index, false);
|
|
break;
|
|
case MLXSW_REG_SFN_REC_TYPE_LEARNED_MAC_LAG:
|
|
mlxsw_sp_fdb_notify_mac_lag_process(mlxsw_sp, sfn_pl,
|
|
rec_index, true);
|
|
break;
|
|
case MLXSW_REG_SFN_REC_TYPE_AGED_OUT_MAC_LAG:
|
|
mlxsw_sp_fdb_notify_mac_lag_process(mlxsw_sp, sfn_pl,
|
|
rec_index, false);
|
|
break;
|
|
}
|
|
}
|
|
|
|
static void mlxsw_sp_fdb_notify_work_schedule(struct mlxsw_sp *mlxsw_sp)
|
|
{
|
|
struct mlxsw_sp_bridge *bridge = mlxsw_sp->bridge;
|
|
|
|
mlxsw_core_schedule_dw(&bridge->fdb_notify.dw,
|
|
msecs_to_jiffies(bridge->fdb_notify.interval));
|
|
}
|
|
|
|
static void mlxsw_sp_fdb_notify_work(struct work_struct *work)
|
|
{
|
|
struct mlxsw_sp_bridge *bridge;
|
|
struct mlxsw_sp *mlxsw_sp;
|
|
char *sfn_pl;
|
|
u8 num_rec;
|
|
int i;
|
|
int err;
|
|
|
|
sfn_pl = kmalloc(MLXSW_REG_SFN_LEN, GFP_KERNEL);
|
|
if (!sfn_pl)
|
|
return;
|
|
|
|
bridge = container_of(work, struct mlxsw_sp_bridge, fdb_notify.dw.work);
|
|
mlxsw_sp = bridge->mlxsw_sp;
|
|
|
|
rtnl_lock();
|
|
mlxsw_reg_sfn_pack(sfn_pl);
|
|
err = mlxsw_reg_query(mlxsw_sp->core, MLXSW_REG(sfn), sfn_pl);
|
|
if (err) {
|
|
dev_err_ratelimited(mlxsw_sp->bus_info->dev, "Failed to get FDB notifications\n");
|
|
goto out;
|
|
}
|
|
num_rec = mlxsw_reg_sfn_num_rec_get(sfn_pl);
|
|
for (i = 0; i < num_rec; i++)
|
|
mlxsw_sp_fdb_notify_rec_process(mlxsw_sp, sfn_pl, i);
|
|
|
|
out:
|
|
rtnl_unlock();
|
|
kfree(sfn_pl);
|
|
mlxsw_sp_fdb_notify_work_schedule(mlxsw_sp);
|
|
}
|
|
|
|
struct mlxsw_sp_switchdev_event_work {
|
|
struct work_struct work;
|
|
struct switchdev_notifier_fdb_info fdb_info;
|
|
struct net_device *dev;
|
|
unsigned long event;
|
|
};
|
|
|
|
static void mlxsw_sp_switchdev_event_work(struct work_struct *work)
|
|
{
|
|
struct mlxsw_sp_switchdev_event_work *switchdev_work =
|
|
container_of(work, struct mlxsw_sp_switchdev_event_work, work);
|
|
struct net_device *dev = switchdev_work->dev;
|
|
struct switchdev_notifier_fdb_info *fdb_info;
|
|
struct mlxsw_sp_port *mlxsw_sp_port;
|
|
int err;
|
|
|
|
rtnl_lock();
|
|
mlxsw_sp_port = mlxsw_sp_port_dev_lower_find(dev);
|
|
if (!mlxsw_sp_port)
|
|
goto out;
|
|
|
|
switch (switchdev_work->event) {
|
|
case SWITCHDEV_FDB_ADD_TO_DEVICE:
|
|
fdb_info = &switchdev_work->fdb_info;
|
|
if (!fdb_info->added_by_user)
|
|
break;
|
|
err = mlxsw_sp_port_fdb_set(mlxsw_sp_port, fdb_info, true);
|
|
if (err)
|
|
break;
|
|
mlxsw_sp_fdb_call_notifiers(SWITCHDEV_FDB_OFFLOADED,
|
|
fdb_info->addr,
|
|
fdb_info->vid, dev);
|
|
break;
|
|
case SWITCHDEV_FDB_DEL_TO_DEVICE:
|
|
fdb_info = &switchdev_work->fdb_info;
|
|
mlxsw_sp_port_fdb_set(mlxsw_sp_port, fdb_info, false);
|
|
break;
|
|
case SWITCHDEV_FDB_ADD_TO_BRIDGE: /* fall through */
|
|
case SWITCHDEV_FDB_DEL_TO_BRIDGE:
|
|
/* These events are only used to potentially update an existing
|
|
* SPAN mirror.
|
|
*/
|
|
break;
|
|
}
|
|
|
|
mlxsw_sp_span_respin(mlxsw_sp_port->mlxsw_sp);
|
|
|
|
out:
|
|
rtnl_unlock();
|
|
kfree(switchdev_work->fdb_info.addr);
|
|
kfree(switchdev_work);
|
|
dev_put(dev);
|
|
}
|
|
|
|
/* Called under rcu_read_lock() */
|
|
static int mlxsw_sp_switchdev_event(struct notifier_block *unused,
|
|
unsigned long event, void *ptr)
|
|
{
|
|
struct net_device *dev = switchdev_notifier_info_to_dev(ptr);
|
|
struct mlxsw_sp_switchdev_event_work *switchdev_work;
|
|
struct switchdev_notifier_fdb_info *fdb_info = ptr;
|
|
struct net_device *br_dev;
|
|
|
|
/* Tunnel devices are not our uppers, so check their master instead */
|
|
br_dev = netdev_master_upper_dev_get_rcu(dev);
|
|
if (!br_dev)
|
|
return NOTIFY_DONE;
|
|
if (!netif_is_bridge_master(br_dev))
|
|
return NOTIFY_DONE;
|
|
if (!mlxsw_sp_port_dev_lower_find_rcu(br_dev))
|
|
return NOTIFY_DONE;
|
|
|
|
switchdev_work = kzalloc(sizeof(*switchdev_work), GFP_ATOMIC);
|
|
if (!switchdev_work)
|
|
return NOTIFY_BAD;
|
|
|
|
INIT_WORK(&switchdev_work->work, mlxsw_sp_switchdev_event_work);
|
|
switchdev_work->dev = dev;
|
|
switchdev_work->event = event;
|
|
|
|
switch (event) {
|
|
case SWITCHDEV_FDB_ADD_TO_DEVICE: /* fall through */
|
|
case SWITCHDEV_FDB_DEL_TO_DEVICE: /* fall through */
|
|
case SWITCHDEV_FDB_ADD_TO_BRIDGE: /* fall through */
|
|
case SWITCHDEV_FDB_DEL_TO_BRIDGE:
|
|
memcpy(&switchdev_work->fdb_info, ptr,
|
|
sizeof(switchdev_work->fdb_info));
|
|
switchdev_work->fdb_info.addr = kzalloc(ETH_ALEN, GFP_ATOMIC);
|
|
if (!switchdev_work->fdb_info.addr)
|
|
goto err_addr_alloc;
|
|
ether_addr_copy((u8 *)switchdev_work->fdb_info.addr,
|
|
fdb_info->addr);
|
|
/* Take a reference on the device. This can be either
|
|
* upper device containig mlxsw_sp_port or just a
|
|
* mlxsw_sp_port
|
|
*/
|
|
dev_hold(dev);
|
|
break;
|
|
default:
|
|
kfree(switchdev_work);
|
|
return NOTIFY_DONE;
|
|
}
|
|
|
|
mlxsw_core_schedule_work(&switchdev_work->work);
|
|
|
|
return NOTIFY_DONE;
|
|
|
|
err_addr_alloc:
|
|
kfree(switchdev_work);
|
|
return NOTIFY_BAD;
|
|
}
|
|
|
|
static struct notifier_block mlxsw_sp_switchdev_notifier = {
|
|
.notifier_call = mlxsw_sp_switchdev_event,
|
|
};
|
|
|
|
u8
|
|
mlxsw_sp_bridge_port_stp_state(struct mlxsw_sp_bridge_port *bridge_port)
|
|
{
|
|
return bridge_port->stp_state;
|
|
}
|
|
|
|
static int mlxsw_sp_fdb_init(struct mlxsw_sp *mlxsw_sp)
|
|
{
|
|
struct mlxsw_sp_bridge *bridge = mlxsw_sp->bridge;
|
|
int err;
|
|
|
|
err = mlxsw_sp_ageing_set(mlxsw_sp, MLXSW_SP_DEFAULT_AGEING_TIME);
|
|
if (err) {
|
|
dev_err(mlxsw_sp->bus_info->dev, "Failed to set default ageing time\n");
|
|
return err;
|
|
}
|
|
|
|
err = register_switchdev_notifier(&mlxsw_sp_switchdev_notifier);
|
|
if (err) {
|
|
dev_err(mlxsw_sp->bus_info->dev, "Failed to register switchdev notifier\n");
|
|
return err;
|
|
}
|
|
|
|
INIT_DELAYED_WORK(&bridge->fdb_notify.dw, mlxsw_sp_fdb_notify_work);
|
|
bridge->fdb_notify.interval = MLXSW_SP_DEFAULT_LEARNING_INTERVAL;
|
|
mlxsw_sp_fdb_notify_work_schedule(mlxsw_sp);
|
|
return 0;
|
|
}
|
|
|
|
static void mlxsw_sp_fdb_fini(struct mlxsw_sp *mlxsw_sp)
|
|
{
|
|
cancel_delayed_work_sync(&mlxsw_sp->bridge->fdb_notify.dw);
|
|
unregister_switchdev_notifier(&mlxsw_sp_switchdev_notifier);
|
|
|
|
}
|
|
|
|
int mlxsw_sp_switchdev_init(struct mlxsw_sp *mlxsw_sp)
|
|
{
|
|
struct mlxsw_sp_bridge *bridge;
|
|
|
|
bridge = kzalloc(sizeof(*mlxsw_sp->bridge), GFP_KERNEL);
|
|
if (!bridge)
|
|
return -ENOMEM;
|
|
mlxsw_sp->bridge = bridge;
|
|
bridge->mlxsw_sp = mlxsw_sp;
|
|
|
|
INIT_LIST_HEAD(&mlxsw_sp->bridge->bridges_list);
|
|
|
|
bridge->bridge_8021q_ops = &mlxsw_sp_bridge_8021q_ops;
|
|
bridge->bridge_8021d_ops = &mlxsw_sp_bridge_8021d_ops;
|
|
|
|
return mlxsw_sp_fdb_init(mlxsw_sp);
|
|
}
|
|
|
|
void mlxsw_sp_switchdev_fini(struct mlxsw_sp *mlxsw_sp)
|
|
{
|
|
mlxsw_sp_fdb_fini(mlxsw_sp);
|
|
WARN_ON(!list_empty(&mlxsw_sp->bridge->bridges_list));
|
|
kfree(mlxsw_sp->bridge);
|
|
}
|
|
|
|
void mlxsw_sp_port_switchdev_init(struct mlxsw_sp_port *mlxsw_sp_port)
|
|
{
|
|
mlxsw_sp_port->dev->switchdev_ops = &mlxsw_sp_port_switchdev_ops;
|
|
}
|
|
|
|
void mlxsw_sp_port_switchdev_fini(struct mlxsw_sp_port *mlxsw_sp_port)
|
|
{
|
|
}
|