535 lines
14 KiB
C
535 lines
14 KiB
C
|
/* SPDX-License-Identifier: GPL-2.0 */
|
||
|
|
/* Texas Instruments K3 AM65 Ethernet Switchdev Driver
|
||
|
|
*
|
||
|
|
* Copyright (C) 2020 Texas Instruments Incorporated - https://www.ti.com/
|
||
|
|
*
|
||
|
|
*/
|
||
|
|
|
||
|
|
#include <linux/etherdevice.h>
|
||
|
|
#include <linux/if_bridge.h>
|
||
|
|
#include <linux/netdevice.h>
|
||
|
|
#include <linux/workqueue.h>
|
||
|
|
#include <net/switchdev.h>
|
||
|
|
|
||
|
|
#include "am65-cpsw-nuss.h"
|
||
|
|
#include "am65-cpsw-switchdev.h"
|
||
|
|
#include "cpsw_ale.h"
|
||
|
|
|
||
|
|
struct am65_cpsw_switchdev_event_work {
|
||
|
|
struct work_struct work;
|
||
|
|
struct switchdev_notifier_fdb_info fdb_info;
|
||
|
|
struct am65_cpsw_port *port;
|
||
|
|
unsigned long event;
|
||
|
|
};
|
||
|
|
|
||
|
|
static int am65_cpsw_port_stp_state_set(struct am65_cpsw_port *port, u8 state)
|
||
|
|
{
|
||
|
|
struct am65_cpsw_common *cpsw = port->common;
|
||
|
|
u8 cpsw_state;
|
||
|
|
int ret = 0;
|
||
|
|
|
||
|
|
switch (state) {
|
||
|
|
case BR_STATE_FORWARDING:
|
||
|
|
cpsw_state = ALE_PORT_STATE_FORWARD;
|
||
|
|
break;
|
||
|
|
case BR_STATE_LEARNING:
|
||
|
|
cpsw_state = ALE_PORT_STATE_LEARN;
|
||
|
|
break;
|
||
|
|
case BR_STATE_DISABLED:
|
||
|
|
cpsw_state = ALE_PORT_STATE_DISABLE;
|
||
|
|
break;
|
||
|
|
case BR_STATE_LISTENING:
|
||
|
|
case BR_STATE_BLOCKING:
|
||
|
|
cpsw_state = ALE_PORT_STATE_BLOCK;
|
||
|
|
break;
|
||
|
|
default:
|
||
|
|
return -EOPNOTSUPP;
|
||
|
|
}
|
||
|
|
|
||
|
|
ret = cpsw_ale_control_set(cpsw->ale, port->port_id,
|
||
|
|
ALE_PORT_STATE, cpsw_state);
|
||
|
|
netdev_dbg(port->ndev, "ale state: %u\n", cpsw_state);
|
||
|
|
|
||
|
|
return ret;
|
||
|
|
}
|
||
|
|
|
||
|
|
static int am65_cpsw_port_attr_br_flags_set(struct am65_cpsw_port *port,
|
||
|
|
struct net_device *orig_dev,
|
||
|
|
struct switchdev_brport_flags flags)
|
||
|
|
{
|
||
|
|
struct am65_cpsw_common *cpsw = port->common;
|
||
|
|
|
||
|
|
if (flags.mask & BR_MCAST_FLOOD) {
|
||
|
|
bool unreg_mcast_add = false;
|
||
|
|
|
||
|
|
if (flags.val & BR_MCAST_FLOOD)
|
||
|
|
unreg_mcast_add = true;
|
||
|
|
|
||
|
|
netdev_dbg(port->ndev, "BR_MCAST_FLOOD: %d port %u\n",
|
||
|
|
unreg_mcast_add, port->port_id);
|
||
|
|
|
||
|
|
cpsw_ale_set_unreg_mcast(cpsw->ale, BIT(port->port_id),
|
||
|
|
unreg_mcast_add);
|
||
|
|
}
|
||
|
|
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
static int am65_cpsw_port_attr_br_flags_pre_set(struct net_device *netdev,
|
||
|
|
struct switchdev_brport_flags flags)
|
||
|
|
{
|
||
|
|
if (flags.mask & ~(BR_LEARNING | BR_MCAST_FLOOD))
|
||
|
|
return -EINVAL;
|
||
|
|
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
static int am65_cpsw_port_attr_set(struct net_device *ndev, const void *ctx,
|
||
|
|
const struct switchdev_attr *attr,
|
||
|
|
struct netlink_ext_ack *extack)
|
||
|
|
{
|
||
|
|
struct am65_cpsw_port *port = am65_ndev_to_port(ndev);
|
||
|
|
int ret;
|
||
|
|
|
||
|
|
netdev_dbg(ndev, "attr: id %u port: %u\n", attr->id, port->port_id);
|
||
|
|
|
||
|
|
switch (attr->id) {
|
||
|
|
case SWITCHDEV_ATTR_ID_PORT_PRE_BRIDGE_FLAGS:
|
||
|
|
ret = am65_cpsw_port_attr_br_flags_pre_set(ndev,
|
||
|
|
attr->u.brport_flags);
|
||
|
|
break;
|
||
|
|
case SWITCHDEV_ATTR_ID_PORT_STP_STATE:
|
||
|
|
ret = am65_cpsw_port_stp_state_set(port, attr->u.stp_state);
|
||
|
|
netdev_dbg(ndev, "stp state: %u\n", attr->u.stp_state);
|
||
|
|
break;
|
||
|
|
case SWITCHDEV_ATTR_ID_PORT_BRIDGE_FLAGS:
|
||
|
|
ret = am65_cpsw_port_attr_br_flags_set(port, attr->orig_dev,
|
||
|
|
attr->u.brport_flags);
|
||
|
|
break;
|
||
|
|
default:
|
||
|
|
ret = -EOPNOTSUPP;
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
|
||
|
|
return ret;
|
||
|
|
}
|
||
|
|
|
||
|
|
static u16 am65_cpsw_get_pvid(struct am65_cpsw_port *port)
|
||
|
|
{
|
||
|
|
struct am65_cpsw_common *cpsw = port->common;
|
||
|
|
struct am65_cpsw_host *host_p = am65_common_get_host(cpsw);
|
||
|
|
u32 pvid;
|
||
|
|
|
||
|
|
if (port->port_id)
|
||
|
|
pvid = readl(port->port_base + AM65_CPSW_PORT_VLAN_REG_OFFSET);
|
||
|
|
else
|
||
|
|
pvid = readl(host_p->port_base + AM65_CPSW_PORT_VLAN_REG_OFFSET);
|
||
|
|
|
||
|
|
pvid = pvid & 0xfff;
|
||
|
|
|
||
|
|
return pvid;
|
||
|
|
}
|
||
|
|
|
||
|
|
static void am65_cpsw_set_pvid(struct am65_cpsw_port *port, u16 vid, bool cfi, u32 cos)
|
||
|
|
{
|
||
|
|
struct am65_cpsw_common *cpsw = port->common;
|
||
|
|
struct am65_cpsw_host *host_p = am65_common_get_host(cpsw);
|
||
|
|
u32 pvid;
|
||
|
|
|
||
|
|
pvid = vid;
|
||
|
|
pvid |= cfi ? BIT(12) : 0;
|
||
|
|
pvid |= (cos & 0x7) << 13;
|
||
|
|
|
||
|
|
if (port->port_id)
|
||
|
|
writel(pvid, port->port_base + AM65_CPSW_PORT_VLAN_REG_OFFSET);
|
||
|
|
else
|
||
|
|
writel(pvid, host_p->port_base + AM65_CPSW_PORT_VLAN_REG_OFFSET);
|
||
|
|
}
|
||
|
|
|
||
|
|
static int am65_cpsw_port_vlan_add(struct am65_cpsw_port *port, bool untag, bool pvid,
|
||
|
|
u16 vid, struct net_device *orig_dev)
|
||
|
|
{
|
||
|
|
bool cpu_port = netif_is_bridge_master(orig_dev);
|
||
|
|
struct am65_cpsw_common *cpsw = port->common;
|
||
|
|
int unreg_mcast_mask = 0;
|
||
|
|
int reg_mcast_mask = 0;
|
||
|
|
int untag_mask = 0;
|
||
|
|
int port_mask;
|
||
|
|
int ret = 0;
|
||
|
|
u32 flags;
|
||
|
|
|
||
|
|
if (cpu_port) {
|
||
|
|
port_mask = BIT(HOST_PORT_NUM);
|
||
|
|
flags = orig_dev->flags;
|
||
|
|
unreg_mcast_mask = port_mask;
|
||
|
|
} else {
|
||
|
|
port_mask = BIT(port->port_id);
|
||
|
|
flags = port->ndev->flags;
|
||
|
|
}
|
||
|
|
|
||
|
|
if (flags & IFF_MULTICAST)
|
||
|
|
reg_mcast_mask = port_mask;
|
||
|
|
|
||
|
|
if (untag)
|
||
|
|
untag_mask = port_mask;
|
||
|
|
|
||
|
|
ret = cpsw_ale_vlan_add_modify(cpsw->ale, vid, port_mask, untag_mask,
|
||
|
|
reg_mcast_mask, unreg_mcast_mask);
|
||
|
|
if (ret) {
|
||
|
|
netdev_err(port->ndev, "Unable to add vlan\n");
|
||
|
|
return ret;
|
||
|
|
}
|
||
|
|
|
||
|
|
if (cpu_port)
|
||
|
|
cpsw_ale_add_ucast(cpsw->ale, port->slave.mac_addr,
|
||
|
|
HOST_PORT_NUM, ALE_VLAN | ALE_SECURE, vid);
|
||
|
|
if (!pvid)
|
||
|
|
return ret;
|
||
|
|
|
||
|
|
am65_cpsw_set_pvid(port, vid, 0, 0);
|
||
|
|
|
||
|
|
netdev_dbg(port->ndev, "VID add: %s: vid:%u ports:%X\n",
|
||
|
|
port->ndev->name, vid, port_mask);
|
||
|
|
|
||
|
|
return ret;
|
||
|
|
}
|
||
|
|
|
||
|
|
static int am65_cpsw_port_vlan_del(struct am65_cpsw_port *port, u16 vid,
|
||
|
|
struct net_device *orig_dev)
|
||
|
|
{
|
||
|
|
bool cpu_port = netif_is_bridge_master(orig_dev);
|
||
|
|
struct am65_cpsw_common *cpsw = port->common;
|
||
|
|
int port_mask;
|
||
|
|
int ret = 0;
|
||
|
|
|
||
|
|
if (cpu_port)
|
||
|
|
port_mask = BIT(HOST_PORT_NUM);
|
||
|
|
else
|
||
|
|
port_mask = BIT(port->port_id);
|
||
|
|
|
||
|
|
ret = cpsw_ale_del_vlan(cpsw->ale, vid, port_mask);
|
||
|
|
if (ret != 0)
|
||
|
|
return ret;
|
||
|
|
|
||
|
|
/* We don't care for the return value here, error is returned only if
|
||
|
|
* the unicast entry is not present
|
||
|
|
*/
|
||
|
|
if (cpu_port)
|
||
|
|
cpsw_ale_del_ucast(cpsw->ale, port->slave.mac_addr,
|
||
|
|
HOST_PORT_NUM, ALE_VLAN, vid);
|
||
|
|
|
||
|
|
if (vid == am65_cpsw_get_pvid(port))
|
||
|
|
am65_cpsw_set_pvid(port, 0, 0, 0);
|
||
|
|
|
||
|
|
/* We don't care for the return value here, error is returned only if
|
||
|
|
* the multicast entry is not present
|
||
|
|
*/
|
||
|
|
cpsw_ale_del_mcast(cpsw->ale, port->ndev->broadcast, port_mask,
|
||
|
|
ALE_VLAN, vid);
|
||
|
|
netdev_dbg(port->ndev, "VID del: %s: vid:%u ports:%X\n",
|
||
|
|
port->ndev->name, vid, port_mask);
|
||
|
|
|
||
|
|
return ret;
|
||
|
|
}
|
||
|
|
|
||
|
|
static int am65_cpsw_port_vlans_add(struct am65_cpsw_port *port,
|
||
|
|
const struct switchdev_obj_port_vlan *vlan)
|
||
|
|
{
|
||
|
|
bool untag = vlan->flags & BRIDGE_VLAN_INFO_UNTAGGED;
|
||
|
|
struct net_device *orig_dev = vlan->obj.orig_dev;
|
||
|
|
bool pvid = vlan->flags & BRIDGE_VLAN_INFO_PVID;
|
||
|
|
|
||
|
|
netdev_dbg(port->ndev, "VID add: %s: vid:%u flags:%X\n",
|
||
|
|
port->ndev->name, vlan->vid, vlan->flags);
|
||
|
|
|
||
|
|
return am65_cpsw_port_vlan_add(port, untag, pvid, vlan->vid, orig_dev);
|
||
|
|
}
|
||
|
|
|
||
|
|
static int am65_cpsw_port_vlans_del(struct am65_cpsw_port *port,
|
||
|
|
const struct switchdev_obj_port_vlan *vlan)
|
||
|
|
|
||
|
|
{
|
||
|
|
return am65_cpsw_port_vlan_del(port, vlan->vid, vlan->obj.orig_dev);
|
||
|
|
}
|
||
|
|
|
||
|
|
static int am65_cpsw_port_mdb_add(struct am65_cpsw_port *port,
|
||
|
|
struct switchdev_obj_port_mdb *mdb)
|
||
|
|
|
||
|
|
{
|
||
|
|
struct net_device *orig_dev = mdb->obj.orig_dev;
|
||
|
|
bool cpu_port = netif_is_bridge_master(orig_dev);
|
||
|
|
struct am65_cpsw_common *cpsw = port->common;
|
||
|
|
int port_mask;
|
||
|
|
int err;
|
||
|
|
|
||
|
|
if (cpu_port)
|
||
|
|
port_mask = BIT(HOST_PORT_NUM);
|
||
|
|
else
|
||
|
|
port_mask = BIT(port->port_id);
|
||
|
|
|
||
|
|
err = cpsw_ale_add_mcast(cpsw->ale, mdb->addr, port_mask,
|
||
|
|
ALE_VLAN, mdb->vid, 0);
|
||
|
|
netdev_dbg(port->ndev, "MDB add: %s: vid %u:%pM ports: %X\n",
|
||
|
|
port->ndev->name, mdb->vid, mdb->addr, port_mask);
|
||
|
|
|
||
|
|
return err;
|
||
|
|
}
|
||
|
|
|
||
|
|
static int am65_cpsw_port_mdb_del(struct am65_cpsw_port *port,
|
||
|
|
struct switchdev_obj_port_mdb *mdb)
|
||
|
|
|
||
|
|
{
|
||
|
|
struct net_device *orig_dev = mdb->obj.orig_dev;
|
||
|
|
bool cpu_port = netif_is_bridge_master(orig_dev);
|
||
|
|
struct am65_cpsw_common *cpsw = port->common;
|
||
|
|
int del_mask;
|
||
|
|
|
||
|
|
if (cpu_port)
|
||
|
|
del_mask = BIT(HOST_PORT_NUM);
|
||
|
|
else
|
||
|
|
del_mask = BIT(port->port_id);
|
||
|
|
|
||
|
|
/* Ignore error as error code is returned only when entry is already removed */
|
||
|
|
cpsw_ale_del_mcast(cpsw->ale, mdb->addr, del_mask,
|
||
|
|
ALE_VLAN, mdb->vid);
|
||
|
|
netdev_dbg(port->ndev, "MDB del: %s: vid %u:%pM ports: %X\n",
|
||
|
|
port->ndev->name, mdb->vid, mdb->addr, del_mask);
|
||
|
|
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
static int am65_cpsw_port_obj_add(struct net_device *ndev, const void *ctx,
|
||
|
|
const struct switchdev_obj *obj,
|
||
|
|
struct netlink_ext_ack *extack)
|
||
|
|
{
|
||
|
|
struct switchdev_obj_port_vlan *vlan = SWITCHDEV_OBJ_PORT_VLAN(obj);
|
||
|
|
struct switchdev_obj_port_mdb *mdb = SWITCHDEV_OBJ_PORT_MDB(obj);
|
||
|
|
struct am65_cpsw_port *port = am65_ndev_to_port(ndev);
|
||
|
|
int err = 0;
|
||
|
|
|
||
|
|
netdev_dbg(ndev, "obj_add: id %u port: %u\n", obj->id, port->port_id);
|
||
|
|
|
||
|
|
switch (obj->id) {
|
||
|
|
case SWITCHDEV_OBJ_ID_PORT_VLAN:
|
||
|
|
err = am65_cpsw_port_vlans_add(port, vlan);
|
||
|
|
break;
|
||
|
|
case SWITCHDEV_OBJ_ID_PORT_MDB:
|
||
|
|
case SWITCHDEV_OBJ_ID_HOST_MDB:
|
||
|
|
err = am65_cpsw_port_mdb_add(port, mdb);
|
||
|
|
break;
|
||
|
|
default:
|
||
|
|
err = -EOPNOTSUPP;
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
|
||
|
|
return err;
|
||
|
|
}
|
||
|
|
|
||
|
|
static int am65_cpsw_port_obj_del(struct net_device *ndev, const void *ctx,
|
||
|
|
const struct switchdev_obj *obj)
|
||
|
|
{
|
||
|
|
struct switchdev_obj_port_vlan *vlan = SWITCHDEV_OBJ_PORT_VLAN(obj);
|
||
|
|
struct switchdev_obj_port_mdb *mdb = SWITCHDEV_OBJ_PORT_MDB(obj);
|
||
|
|
struct am65_cpsw_port *port = am65_ndev_to_port(ndev);
|
||
|
|
int err = 0;
|
||
|
|
|
||
|
|
netdev_dbg(ndev, "obj_del: id %u port: %u\n", obj->id, port->port_id);
|
||
|
|
|
||
|
|
switch (obj->id) {
|
||
|
|
case SWITCHDEV_OBJ_ID_PORT_VLAN:
|
||
|
|
err = am65_cpsw_port_vlans_del(port, vlan);
|
||
|
|
break;
|
||
|
|
case SWITCHDEV_OBJ_ID_PORT_MDB:
|
||
|
|
case SWITCHDEV_OBJ_ID_HOST_MDB:
|
||
|
|
err = am65_cpsw_port_mdb_del(port, mdb);
|
||
|
|
break;
|
||
|
|
default:
|
||
|
|
err = -EOPNOTSUPP;
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
|
||
|
|
return err;
|
||
|
|
}
|
||
|
|
|
||
|
|
static void am65_cpsw_fdb_offload_notify(struct net_device *ndev,
|
||
|
|
struct switchdev_notifier_fdb_info *rcv)
|
||
|
|
{
|
||
|
|
struct switchdev_notifier_fdb_info info = {};
|
||
|
|
|
||
|
|
info.addr = rcv->addr;
|
||
|
|
info.vid = rcv->vid;
|
||
|
|
info.offloaded = true;
|
||
|
|
call_switchdev_notifiers(SWITCHDEV_FDB_OFFLOADED,
|
||
|
|
ndev, &info.info, NULL);
|
||
|
|
}
|
||
|
|
|
||
|
|
static void am65_cpsw_switchdev_event_work(struct work_struct *work)
|
||
|
|
{
|
||
|
|
struct am65_cpsw_switchdev_event_work *switchdev_work =
|
||
|
|
container_of(work, struct am65_cpsw_switchdev_event_work, work);
|
||
|
|
struct am65_cpsw_port *port = switchdev_work->port;
|
||
|
|
struct switchdev_notifier_fdb_info *fdb;
|
||
|
|
struct am65_cpsw_common *cpsw = port->common;
|
||
|
|
int port_id = port->port_id;
|
||
|
|
|
||
|
|
rtnl_lock();
|
||
|
|
switch (switchdev_work->event) {
|
||
|
|
case SWITCHDEV_FDB_ADD_TO_DEVICE:
|
||
|
|
fdb = &switchdev_work->fdb_info;
|
||
|
|
|
||
|
|
netdev_dbg(port->ndev, "cpsw_fdb_add: MACID = %pM vid = %u flags = %u %u -- port %d\n",
|
||
|
|
fdb->addr, fdb->vid, fdb->added_by_user,
|
||
|
|
fdb->offloaded, port_id);
|
||
|
|
|
||
|
|
if (!fdb->added_by_user || fdb->is_local)
|
||
|
|
break;
|
||
|
|
if (memcmp(port->slave.mac_addr, (u8 *)fdb->addr, ETH_ALEN) == 0)
|
||
|
|
port_id = HOST_PORT_NUM;
|
||
|
|
|
||
|
|
cpsw_ale_add_ucast(cpsw->ale, (u8 *)fdb->addr, port_id,
|
||
|
|
fdb->vid ? ALE_VLAN : 0, fdb->vid);
|
||
|
|
am65_cpsw_fdb_offload_notify(port->ndev, fdb);
|
||
|
|
break;
|
||
|
|
case SWITCHDEV_FDB_DEL_TO_DEVICE:
|
||
|
|
fdb = &switchdev_work->fdb_info;
|
||
|
|
|
||
|
|
netdev_dbg(port->ndev, "cpsw_fdb_del: MACID = %pM vid = %u flags = %u %u -- port %d\n",
|
||
|
|
fdb->addr, fdb->vid, fdb->added_by_user,
|
||
|
|
fdb->offloaded, port_id);
|
||
|
|
|
||
|
|
if (!fdb->added_by_user || fdb->is_local)
|
||
|
|
break;
|
||
|
|
if (memcmp(port->slave.mac_addr, (u8 *)fdb->addr, ETH_ALEN) == 0)
|
||
|
|
port_id = HOST_PORT_NUM;
|
||
|
|
|
||
|
|
cpsw_ale_del_ucast(cpsw->ale, (u8 *)fdb->addr, port_id,
|
||
|
|
fdb->vid ? ALE_VLAN : 0, fdb->vid);
|
||
|
|
break;
|
||
|
|
default:
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
rtnl_unlock();
|
||
|
|
|
||
|
|
kfree(switchdev_work->fdb_info.addr);
|
||
|
|
kfree(switchdev_work);
|
||
|
|
dev_put(port->ndev);
|
||
|
|
}
|
||
|
|
|
||
|
|
/* called under rcu_read_lock() */
|
||
|
|
static int am65_cpsw_switchdev_event(struct notifier_block *unused,
|
||
|
|
unsigned long event, void *ptr)
|
||
|
|
{
|
||
|
|
struct net_device *ndev = switchdev_notifier_info_to_dev(ptr);
|
||
|
|
struct am65_cpsw_switchdev_event_work *switchdev_work;
|
||
|
|
struct am65_cpsw_port *port = am65_ndev_to_port(ndev);
|
||
|
|
struct switchdev_notifier_fdb_info *fdb_info = ptr;
|
||
|
|
int err;
|
||
|
|
|
||
|
|
if (event == SWITCHDEV_PORT_ATTR_SET) {
|
||
|
|
err = switchdev_handle_port_attr_set(ndev, ptr,
|
||
|
|
am65_cpsw_port_dev_check,
|
||
|
|
am65_cpsw_port_attr_set);
|
||
|
|
return notifier_from_errno(err);
|
||
|
|
}
|
||
|
|
|
||
|
|
if (!am65_cpsw_port_dev_check(ndev))
|
||
|
|
return NOTIFY_DONE;
|
||
|
|
|
||
|
|
switchdev_work = kzalloc(sizeof(*switchdev_work), GFP_ATOMIC);
|
||
|
|
if (WARN_ON(!switchdev_work))
|
||
|
|
return NOTIFY_BAD;
|
||
|
|
|
||
|
|
INIT_WORK(&switchdev_work->work, am65_cpsw_switchdev_event_work);
|
||
|
|
switchdev_work->port = port;
|
||
|
|
switchdev_work->event = event;
|
||
|
|
|
||
|
|
switch (event) {
|
||
|
|
case SWITCHDEV_FDB_ADD_TO_DEVICE:
|
||
|
|
case SWITCHDEV_FDB_DEL_TO_DEVICE:
|
||
|
|
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);
|
||
|
|
dev_hold(ndev);
|
||
|
|
break;
|
||
|
|
default:
|
||
|
|
kfree(switchdev_work);
|
||
|
|
return NOTIFY_DONE;
|
||
|
|
}
|
||
|
|
|
||
|
|
queue_work(system_long_wq, &switchdev_work->work);
|
||
|
|
|
||
|
|
return NOTIFY_DONE;
|
||
|
|
|
||
|
|
err_addr_alloc:
|
||
|
|
kfree(switchdev_work);
|
||
|
|
return NOTIFY_BAD;
|
||
|
|
}
|
||
|
|
|
||
|
|
static struct notifier_block cpsw_switchdev_notifier = {
|
||
|
|
.notifier_call = am65_cpsw_switchdev_event,
|
||
|
|
};
|
||
|
|
|
||
|
|
static int am65_cpsw_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) {
|
||
|
|
case SWITCHDEV_PORT_OBJ_ADD:
|
||
|
|
err = switchdev_handle_port_obj_add(dev, ptr,
|
||
|
|
am65_cpsw_port_dev_check,
|
||
|
|
am65_cpsw_port_obj_add);
|
||
|
|
return notifier_from_errno(err);
|
||
|
|
case SWITCHDEV_PORT_OBJ_DEL:
|
||
|
|
err = switchdev_handle_port_obj_del(dev, ptr,
|
||
|
|
am65_cpsw_port_dev_check,
|
||
|
|
am65_cpsw_port_obj_del);
|
||
|
|
return notifier_from_errno(err);
|
||
|
|
case SWITCHDEV_PORT_ATTR_SET:
|
||
|
|
err = switchdev_handle_port_attr_set(dev, ptr,
|
||
|
|
am65_cpsw_port_dev_check,
|
||
|
|
am65_cpsw_port_attr_set);
|
||
|
|
return notifier_from_errno(err);
|
||
|
|
default:
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
|
||
|
|
return NOTIFY_DONE;
|
||
|
|
}
|
||
|
|
|
||
|
|
static struct notifier_block cpsw_switchdev_bl_notifier = {
|
||
|
|
.notifier_call = am65_cpsw_switchdev_blocking_event,
|
||
|
|
};
|
||
|
|
|
||
|
|
int am65_cpsw_switchdev_register_notifiers(struct am65_cpsw_common *cpsw)
|
||
|
|
{
|
||
|
|
int ret = 0;
|
||
|
|
|
||
|
|
ret = register_switchdev_notifier(&cpsw_switchdev_notifier);
|
||
|
|
if (ret) {
|
||
|
|
dev_err(cpsw->dev, "register switchdev notifier fail ret:%d\n",
|
||
|
|
ret);
|
||
|
|
return ret;
|
||
|
|
}
|
||
|
|
|
||
|
|
ret = register_switchdev_blocking_notifier(&cpsw_switchdev_bl_notifier);
|
||
|
|
if (ret) {
|
||
|
|
dev_err(cpsw->dev, "register switchdev blocking notifier ret:%d\n",
|
||
|
|
ret);
|
||
|
|
unregister_switchdev_notifier(&cpsw_switchdev_notifier);
|
||
|
|
}
|
||
|
|
|
||
|
|
return ret;
|
||
|
|
}
|
||
|
|
|
||
|
|
void am65_cpsw_switchdev_unregister_notifiers(struct am65_cpsw_common *cpsw)
|
||
|
|
{
|
||
|
|
unregister_switchdev_blocking_notifier(&cpsw_switchdev_bl_notifier);
|
||
|
|
unregister_switchdev_notifier(&cpsw_switchdev_notifier);
|
||
|
|
}
|