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Diffstat (limited to 'net/dsa/dsa.c')
-rw-r--r--net/dsa/dsa.c224
1 files changed, 112 insertions, 112 deletions
diff --git a/net/dsa/dsa.c b/net/dsa/dsa.c
index ccbdb98109f8..ac7be864e80d 100644
--- a/net/dsa/dsa.c
+++ b/net/dsa/dsa.c
@@ -20,14 +20,14 @@
#include <net/dsa_stubs.h>
#include <net/sch_generic.h>
+#include "conduit.h"
#include "devlink.h"
#include "dsa.h"
-#include "master.h"
#include "netlink.h"
#include "port.h"
-#include "slave.h"
#include "switch.h"
#include "tag.h"
+#include "user.h"
#define DSA_MAX_NUM_OFFLOADING_BRIDGES BITS_PER_LONG
@@ -365,18 +365,18 @@ static struct dsa_port *dsa_tree_find_first_cpu(struct dsa_switch_tree *dst)
return NULL;
}
-struct net_device *dsa_tree_find_first_master(struct dsa_switch_tree *dst)
+struct net_device *dsa_tree_find_first_conduit(struct dsa_switch_tree *dst)
{
struct device_node *ethernet;
- struct net_device *master;
+ struct net_device *conduit;
struct dsa_port *cpu_dp;
cpu_dp = dsa_tree_find_first_cpu(dst);
ethernet = of_parse_phandle(cpu_dp->dn, "ethernet", 0);
- master = of_find_net_device_by_node(ethernet);
+ conduit = of_find_net_device_by_node(ethernet);
of_node_put(ethernet);
- return master;
+ return conduit;
}
/* Assign the default CPU port (the first one in the tree) to all ports of the
@@ -517,7 +517,7 @@ static int dsa_port_setup(struct dsa_port *dp)
break;
case DSA_PORT_TYPE_USER:
of_get_mac_address(dp->dn, dp->mac);
- err = dsa_slave_create(dp);
+ err = dsa_user_create(dp);
break;
}
@@ -554,9 +554,9 @@ static void dsa_port_teardown(struct dsa_port *dp)
dsa_shared_port_link_unregister_of(dp);
break;
case DSA_PORT_TYPE_USER:
- if (dp->slave) {
- dsa_slave_destroy(dp->slave);
- dp->slave = NULL;
+ if (dp->user) {
+ dsa_user_destroy(dp->user);
+ dp->user = NULL;
}
break;
}
@@ -632,9 +632,9 @@ static int dsa_switch_setup(struct dsa_switch *ds)
if (ds->setup)
return 0;
- /* Initialize ds->phys_mii_mask before registering the slave MDIO bus
+ /* Initialize ds->phys_mii_mask before registering the user MDIO bus
* driver and before ops->setup() has run, since the switch drivers and
- * the slave MDIO bus driver rely on these values for probing PHY
+ * the user MDIO bus driver rely on these values for probing PHY
* devices or not
*/
ds->phys_mii_mask |= dsa_user_ports(ds);
@@ -657,21 +657,21 @@ static int dsa_switch_setup(struct dsa_switch *ds)
if (err)
goto teardown;
- if (!ds->slave_mii_bus && ds->ops->phy_read) {
- ds->slave_mii_bus = mdiobus_alloc();
- if (!ds->slave_mii_bus) {
+ if (!ds->user_mii_bus && ds->ops->phy_read) {
+ ds->user_mii_bus = mdiobus_alloc();
+ if (!ds->user_mii_bus) {
err = -ENOMEM;
goto teardown;
}
- dsa_slave_mii_bus_init(ds);
+ dsa_user_mii_bus_init(ds);
dn = of_get_child_by_name(ds->dev->of_node, "mdio");
- err = of_mdiobus_register(ds->slave_mii_bus, dn);
+ err = of_mdiobus_register(ds->user_mii_bus, dn);
of_node_put(dn);
if (err < 0)
- goto free_slave_mii_bus;
+ goto free_user_mii_bus;
}
dsa_switch_devlink_register(ds);
@@ -679,9 +679,9 @@ static int dsa_switch_setup(struct dsa_switch *ds)
ds->setup = true;
return 0;
-free_slave_mii_bus:
- if (ds->slave_mii_bus && ds->ops->phy_read)
- mdiobus_free(ds->slave_mii_bus);
+free_user_mii_bus:
+ if (ds->user_mii_bus && ds->ops->phy_read)
+ mdiobus_free(ds->user_mii_bus);
teardown:
if (ds->ops->teardown)
ds->ops->teardown(ds);
@@ -699,10 +699,10 @@ static void dsa_switch_teardown(struct dsa_switch *ds)
dsa_switch_devlink_unregister(ds);
- if (ds->slave_mii_bus && ds->ops->phy_read) {
- mdiobus_unregister(ds->slave_mii_bus);
- mdiobus_free(ds->slave_mii_bus);
- ds->slave_mii_bus = NULL;
+ if (ds->user_mii_bus && ds->ops->phy_read) {
+ mdiobus_unregister(ds->user_mii_bus);
+ mdiobus_free(ds->user_mii_bus);
+ ds->user_mii_bus = NULL;
}
dsa_switch_teardown_tag_protocol(ds);
@@ -793,7 +793,7 @@ static int dsa_tree_setup_switches(struct dsa_switch_tree *dst)
return err;
}
-static int dsa_tree_setup_master(struct dsa_switch_tree *dst)
+static int dsa_tree_setup_conduit(struct dsa_switch_tree *dst)
{
struct dsa_port *cpu_dp;
int err = 0;
@@ -801,18 +801,18 @@ static int dsa_tree_setup_master(struct dsa_switch_tree *dst)
rtnl_lock();
dsa_tree_for_each_cpu_port(cpu_dp, dst) {
- struct net_device *master = cpu_dp->master;
- bool admin_up = (master->flags & IFF_UP) &&
- !qdisc_tx_is_noop(master);
+ struct net_device *conduit = cpu_dp->conduit;
+ bool admin_up = (conduit->flags & IFF_UP) &&
+ !qdisc_tx_is_noop(conduit);
- err = dsa_master_setup(master, cpu_dp);
+ err = dsa_conduit_setup(conduit, cpu_dp);
if (err)
break;
- /* Replay master state event */
- dsa_tree_master_admin_state_change(dst, master, admin_up);
- dsa_tree_master_oper_state_change(dst, master,
- netif_oper_up(master));
+ /* Replay conduit state event */
+ dsa_tree_conduit_admin_state_change(dst, conduit, admin_up);
+ dsa_tree_conduit_oper_state_change(dst, conduit,
+ netif_oper_up(conduit));
}
rtnl_unlock();
@@ -820,22 +820,22 @@ static int dsa_tree_setup_master(struct dsa_switch_tree *dst)
return err;
}
-static void dsa_tree_teardown_master(struct dsa_switch_tree *dst)
+static void dsa_tree_teardown_conduit(struct dsa_switch_tree *dst)
{
struct dsa_port *cpu_dp;
rtnl_lock();
dsa_tree_for_each_cpu_port(cpu_dp, dst) {
- struct net_device *master = cpu_dp->master;
+ struct net_device *conduit = cpu_dp->conduit;
/* Synthesizing an "admin down" state is sufficient for
- * the switches to get a notification if the master is
+ * the switches to get a notification if the conduit is
* currently up and running.
*/
- dsa_tree_master_admin_state_change(dst, master, false);
+ dsa_tree_conduit_admin_state_change(dst, conduit, false);
- dsa_master_teardown(master);
+ dsa_conduit_teardown(conduit);
}
rtnl_unlock();
@@ -894,13 +894,13 @@ static int dsa_tree_setup(struct dsa_switch_tree *dst)
if (err)
goto teardown_switches;
- err = dsa_tree_setup_master(dst);
+ err = dsa_tree_setup_conduit(dst);
if (err)
goto teardown_ports;
err = dsa_tree_setup_lags(dst);
if (err)
- goto teardown_master;
+ goto teardown_conduit;
dst->setup = true;
@@ -908,8 +908,8 @@ static int dsa_tree_setup(struct dsa_switch_tree *dst)
return 0;
-teardown_master:
- dsa_tree_teardown_master(dst);
+teardown_conduit:
+ dsa_tree_teardown_conduit(dst);
teardown_ports:
dsa_tree_teardown_ports(dst);
teardown_switches:
@@ -929,7 +929,7 @@ static void dsa_tree_teardown(struct dsa_switch_tree *dst)
dsa_tree_teardown_lags(dst);
- dsa_tree_teardown_master(dst);
+ dsa_tree_teardown_conduit(dst);
dsa_tree_teardown_ports(dst);
@@ -978,7 +978,7 @@ out_disconnect:
return err;
}
-/* Since the dsa/tagging sysfs device attribute is per master, the assumption
+/* Since the dsa/tagging sysfs device attribute is per conduit, the assumption
* is that all DSA switches within a tree share the same tagger, otherwise
* they would have formed disjoint trees (different "dsa,member" values).
*/
@@ -999,10 +999,10 @@ int dsa_tree_change_tag_proto(struct dsa_switch_tree *dst,
* restriction, there needs to be another mutex which serializes this.
*/
dsa_tree_for_each_user_port(dp, dst) {
- if (dsa_port_to_master(dp)->flags & IFF_UP)
+ if (dsa_port_to_conduit(dp)->flags & IFF_UP)
goto out_unlock;
- if (dp->slave->flags & IFF_UP)
+ if (dp->user->flags & IFF_UP)
goto out_unlock;
}
@@ -1028,62 +1028,62 @@ out_unlock:
return err;
}
-static void dsa_tree_master_state_change(struct dsa_switch_tree *dst,
- struct net_device *master)
+static void dsa_tree_conduit_state_change(struct dsa_switch_tree *dst,
+ struct net_device *conduit)
{
- struct dsa_notifier_master_state_info info;
- struct dsa_port *cpu_dp = master->dsa_ptr;
+ struct dsa_notifier_conduit_state_info info;
+ struct dsa_port *cpu_dp = conduit->dsa_ptr;
- info.master = master;
- info.operational = dsa_port_master_is_operational(cpu_dp);
+ info.conduit = conduit;
+ info.operational = dsa_port_conduit_is_operational(cpu_dp);
- dsa_tree_notify(dst, DSA_NOTIFIER_MASTER_STATE_CHANGE, &info);
+ dsa_tree_notify(dst, DSA_NOTIFIER_CONDUIT_STATE_CHANGE, &info);
}
-void dsa_tree_master_admin_state_change(struct dsa_switch_tree *dst,
- struct net_device *master,
- bool up)
+void dsa_tree_conduit_admin_state_change(struct dsa_switch_tree *dst,
+ struct net_device *conduit,
+ bool up)
{
- struct dsa_port *cpu_dp = master->dsa_ptr;
+ struct dsa_port *cpu_dp = conduit->dsa_ptr;
bool notify = false;
- /* Don't keep track of admin state on LAG DSA masters,
- * but rather just of physical DSA masters
+ /* Don't keep track of admin state on LAG DSA conduits,
+ * but rather just of physical DSA conduits
*/
- if (netif_is_lag_master(master))
+ if (netif_is_lag_master(conduit))
return;
- if ((dsa_port_master_is_operational(cpu_dp)) !=
- (up && cpu_dp->master_oper_up))
+ if ((dsa_port_conduit_is_operational(cpu_dp)) !=
+ (up && cpu_dp->conduit_oper_up))
notify = true;
- cpu_dp->master_admin_up = up;
+ cpu_dp->conduit_admin_up = up;
if (notify)
- dsa_tree_master_state_change(dst, master);
+ dsa_tree_conduit_state_change(dst, conduit);
}
-void dsa_tree_master_oper_state_change(struct dsa_switch_tree *dst,
- struct net_device *master,
- bool up)
+void dsa_tree_conduit_oper_state_change(struct dsa_switch_tree *dst,
+ struct net_device *conduit,
+ bool up)
{
- struct dsa_port *cpu_dp = master->dsa_ptr;
+ struct dsa_port *cpu_dp = conduit->dsa_ptr;
bool notify = false;
- /* Don't keep track of oper state on LAG DSA masters,
- * but rather just of physical DSA masters
+ /* Don't keep track of oper state on LAG DSA conduits,
+ * but rather just of physical DSA conduits
*/
- if (netif_is_lag_master(master))
+ if (netif_is_lag_master(conduit))
return;
- if ((dsa_port_master_is_operational(cpu_dp)) !=
- (cpu_dp->master_admin_up && up))
+ if ((dsa_port_conduit_is_operational(cpu_dp)) !=
+ (cpu_dp->conduit_admin_up && up))
notify = true;
- cpu_dp->master_oper_up = up;
+ cpu_dp->conduit_oper_up = up;
if (notify)
- dsa_tree_master_state_change(dst, master);
+ dsa_tree_conduit_state_change(dst, conduit);
}
static struct dsa_port *dsa_port_touch(struct dsa_switch *ds, int index)
@@ -1129,7 +1129,7 @@ static int dsa_port_parse_dsa(struct dsa_port *dp)
}
static enum dsa_tag_protocol dsa_get_tag_protocol(struct dsa_port *dp,
- struct net_device *master)
+ struct net_device *conduit)
{
enum dsa_tag_protocol tag_protocol = DSA_TAG_PROTO_NONE;
struct dsa_switch *mds, *ds = dp->ds;
@@ -1140,21 +1140,21 @@ static enum dsa_tag_protocol dsa_get_tag_protocol(struct dsa_port *dp,
* happens the switch driver may want to know if its tagging protocol
* is going to work in such a configuration.
*/
- if (dsa_slave_dev_check(master)) {
- mdp = dsa_slave_to_port(master);
+ if (dsa_user_dev_check(conduit)) {
+ mdp = dsa_user_to_port(conduit);
mds = mdp->ds;
mdp_upstream = dsa_upstream_port(mds, mdp->index);
tag_protocol = mds->ops->get_tag_protocol(mds, mdp_upstream,
DSA_TAG_PROTO_NONE);
}
- /* If the master device is not itself a DSA slave in a disjoint DSA
+ /* If the conduit device is not itself a DSA user in a disjoint DSA
* tree, then return immediately.
*/
return ds->ops->get_tag_protocol(ds, dp->index, tag_protocol);
}
-static int dsa_port_parse_cpu(struct dsa_port *dp, struct net_device *master,
+static int dsa_port_parse_cpu(struct dsa_port *dp, struct net_device *conduit,
const char *user_protocol)
{
const struct dsa_device_ops *tag_ops = NULL;
@@ -1163,7 +1163,7 @@ static int dsa_port_parse_cpu(struct dsa_port *dp, struct net_device *master,
enum dsa_tag_protocol default_proto;
/* Find out which protocol the switch would prefer. */
- default_proto = dsa_get_tag_protocol(dp, master);
+ default_proto = dsa_get_tag_protocol(dp, conduit);
if (dst->default_proto) {
if (dst->default_proto != default_proto) {
dev_err(ds->dev,
@@ -1218,7 +1218,7 @@ static int dsa_port_parse_cpu(struct dsa_port *dp, struct net_device *master,
dst->tag_ops = tag_ops;
}
- dp->master = master;
+ dp->conduit = conduit;
dp->type = DSA_PORT_TYPE_CPU;
dsa_port_set_tag_protocol(dp, dst->tag_ops);
dp->dst = dst;
@@ -1248,16 +1248,16 @@ static int dsa_port_parse_of(struct dsa_port *dp, struct device_node *dn)
dp->dn = dn;
if (ethernet) {
- struct net_device *master;
+ struct net_device *conduit;
const char *user_protocol;
- master = of_find_net_device_by_node(ethernet);
+ conduit = of_find_net_device_by_node(ethernet);
of_node_put(ethernet);
- if (!master)
+ if (!conduit)
return -EPROBE_DEFER;
user_protocol = of_get_property(dn, "dsa-tag-protocol", NULL);
- return dsa_port_parse_cpu(dp, master, user_protocol);
+ return dsa_port_parse_cpu(dp, conduit, user_protocol);
}
if (link)
@@ -1412,15 +1412,15 @@ static int dsa_port_parse(struct dsa_port *dp, const char *name,
struct device *dev)
{
if (!strcmp(name, "cpu")) {
- struct net_device *master;
+ struct net_device *conduit;
- master = dsa_dev_to_net_device(dev);
- if (!master)
+ conduit = dsa_dev_to_net_device(dev);
+ if (!conduit)
return -EPROBE_DEFER;
- dev_put(master);
+ dev_put(conduit);
- return dsa_port_parse_cpu(dp, master, NULL);
+ return dsa_port_parse_cpu(dp, conduit, NULL);
}
if (!strcmp(name, "dsa"))
@@ -1566,14 +1566,14 @@ void dsa_unregister_switch(struct dsa_switch *ds)
}
EXPORT_SYMBOL_GPL(dsa_unregister_switch);
-/* If the DSA master chooses to unregister its net_device on .shutdown, DSA is
+/* If the DSA conduit chooses to unregister its net_device on .shutdown, DSA is
* blocking that operation from completion, due to the dev_hold taken inside
- * netdev_upper_dev_link. Unlink the DSA slave interfaces from being uppers of
- * the DSA master, so that the system can reboot successfully.
+ * netdev_upper_dev_link. Unlink the DSA user interfaces from being uppers of
+ * the DSA conduit, so that the system can reboot successfully.
*/
void dsa_switch_shutdown(struct dsa_switch *ds)
{
- struct net_device *master, *slave_dev;
+ struct net_device *conduit, *user_dev;
struct dsa_port *dp;
mutex_lock(&dsa2_mutex);
@@ -1584,17 +1584,17 @@ void dsa_switch_shutdown(struct dsa_switch *ds)
rtnl_lock();
dsa_switch_for_each_user_port(dp, ds) {
- master = dsa_port_to_master(dp);
- slave_dev = dp->slave;
+ conduit = dsa_port_to_conduit(dp);
+ user_dev = dp->user;
- netdev_upper_dev_unlink(master, slave_dev);
+ netdev_upper_dev_unlink(conduit, user_dev);
}
- /* Disconnect from further netdevice notifiers on the master,
+ /* Disconnect from further netdevice notifiers on the conduit,
* since netdev_uses_dsa() will now return false.
*/
dsa_switch_for_each_cpu_port(dp, ds)
- dp->master->dsa_ptr = NULL;
+ dp->conduit->dsa_ptr = NULL;
rtnl_unlock();
out:
@@ -1605,7 +1605,7 @@ EXPORT_SYMBOL_GPL(dsa_switch_shutdown);
#ifdef CONFIG_PM_SLEEP
static bool dsa_port_is_initialized(const struct dsa_port *dp)
{
- return dp->type == DSA_PORT_TYPE_USER && dp->slave;
+ return dp->type == DSA_PORT_TYPE_USER && dp->user;
}
int dsa_switch_suspend(struct dsa_switch *ds)
@@ -1613,12 +1613,12 @@ int dsa_switch_suspend(struct dsa_switch *ds)
struct dsa_port *dp;
int ret = 0;
- /* Suspend slave network devices */
+ /* Suspend user network devices */
dsa_switch_for_each_port(dp, ds) {
if (!dsa_port_is_initialized(dp))
continue;
- ret = dsa_slave_suspend(dp->slave);
+ ret = dsa_user_suspend(dp->user);
if (ret)
return ret;
}
@@ -1641,12 +1641,12 @@ int dsa_switch_resume(struct dsa_switch *ds)
if (ret)
return ret;
- /* Resume slave network devices */
+ /* Resume user network devices */
dsa_switch_for_each_port(dp, ds) {
if (!dsa_port_is_initialized(dp))
continue;
- ret = dsa_slave_resume(dp->slave);
+ ret = dsa_user_resume(dp->user);
if (ret)
return ret;
}
@@ -1658,10 +1658,10 @@ EXPORT_SYMBOL_GPL(dsa_switch_resume);
struct dsa_port *dsa_port_from_netdev(struct net_device *netdev)
{
- if (!netdev || !dsa_slave_dev_check(netdev))
+ if (!netdev || !dsa_user_dev_check(netdev))
return ERR_PTR(-ENODEV);
- return dsa_slave_to_port(netdev);
+ return dsa_user_to_port(netdev);
}
EXPORT_SYMBOL_GPL(dsa_port_from_netdev);
@@ -1726,7 +1726,7 @@ bool dsa_mdb_present_in_other_db(struct dsa_switch *ds, int port,
EXPORT_SYMBOL_GPL(dsa_mdb_present_in_other_db);
static const struct dsa_stubs __dsa_stubs = {
- .master_hwtstamp_validate = __dsa_master_hwtstamp_validate,
+ .conduit_hwtstamp_validate = __dsa_conduit_hwtstamp_validate,
};
static void dsa_register_stubs(void)
@@ -1748,7 +1748,7 @@ static int __init dsa_init_module(void)
if (!dsa_owq)
return -ENOMEM;
- rc = dsa_slave_register_notifier();
+ rc = dsa_user_register_notifier();
if (rc)
goto register_notifier_fail;
@@ -1763,7 +1763,7 @@ static int __init dsa_init_module(void)
return 0;
netlink_register_fail:
- dsa_slave_unregister_notifier();
+ dsa_user_unregister_notifier();
dev_remove_pack(&dsa_pack_type);
register_notifier_fail:
destroy_workqueue(dsa_owq);
@@ -1778,7 +1778,7 @@ static void __exit dsa_cleanup_module(void)
rtnl_link_unregister(&dsa_link_ops);
- dsa_slave_unregister_notifier();
+ dsa_user_unregister_notifier();
dev_remove_pack(&dsa_pack_type);
destroy_workqueue(dsa_owq);
}