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Diffstat (limited to 'net/dsa/legacy.c')
-rw-r--r--net/dsa/legacy.c113
1 files changed, 55 insertions, 58 deletions
diff --git a/net/dsa/legacy.c b/net/dsa/legacy.c
index 1d7a3282f2a7..84611d7fcfa2 100644
--- a/net/dsa/legacy.c
+++ b/net/dsa/legacy.c
@@ -78,31 +78,30 @@ dsa_switch_probe(struct device *parent, struct device *host_dev, int sw_addr,
}
/* basic switch operations **************************************************/
-static int dsa_cpu_dsa_setups(struct dsa_switch *ds, struct device *dev)
+static int dsa_cpu_dsa_setups(struct dsa_switch *ds)
{
- struct dsa_port *dport;
int ret, port;
for (port = 0; port < ds->num_ports; port++) {
if (!(dsa_is_cpu_port(ds, port) || dsa_is_dsa_port(ds, port)))
continue;
- dport = &ds->ports[port];
- ret = dsa_cpu_dsa_setup(ds, dev, dport, port);
+ ret = dsa_port_fixed_link_register_of(&ds->ports[port]);
if (ret)
return ret;
}
return 0;
}
-static int dsa_switch_setup_one(struct dsa_switch *ds, struct net_device *master,
- struct device *parent)
+static int dsa_switch_setup_one(struct dsa_switch *ds,
+ struct net_device *master)
{
const struct dsa_switch_ops *ops = ds->ops;
struct dsa_switch_tree *dst = ds->dst;
struct dsa_chip_data *cd = ds->cd;
bool valid_name_found = false;
int index = ds->index;
+ struct dsa_port *dp;
int i, ret;
/*
@@ -111,9 +110,12 @@ static int dsa_switch_setup_one(struct dsa_switch *ds, struct net_device *master
for (i = 0; i < ds->num_ports; i++) {
char *name;
+ dp = &ds->ports[i];
+
name = cd->port_names[i];
if (name == NULL)
continue;
+ dp->name = name;
if (!strcmp(name, "cpu")) {
if (dst->cpu_dp) {
@@ -122,12 +124,12 @@ static int dsa_switch_setup_one(struct dsa_switch *ds, struct net_device *master
return -EINVAL;
}
dst->cpu_dp = &ds->ports[i];
- dst->cpu_dp->netdev = master;
- ds->cpu_port_mask |= 1 << i;
+ dst->cpu_dp->master = master;
+ dp->type = DSA_PORT_TYPE_CPU;
} else if (!strcmp(name, "dsa")) {
- ds->dsa_port_mask |= 1 << i;
+ dp->type = DSA_PORT_TYPE_DSA;
} else {
- ds->enabled_port_mask |= 1 << i;
+ dp->type = DSA_PORT_TYPE_USER;
}
valid_name_found = true;
}
@@ -138,7 +140,7 @@ static int dsa_switch_setup_one(struct dsa_switch *ds, struct net_device *master
/* Make the built-in MII bus mask match the number of ports,
* switch drivers can override this later
*/
- ds->phys_mii_mask = ds->enabled_port_mask;
+ ds->phys_mii_mask |= dsa_user_ports(ds);
/*
* If the CPU connects to this switch, set the switch tree
@@ -146,14 +148,19 @@ static int dsa_switch_setup_one(struct dsa_switch *ds, struct net_device *master
* switch.
*/
if (dst->cpu_dp->ds == ds) {
+ const struct dsa_device_ops *tag_ops;
enum dsa_tag_protocol tag_protocol;
- tag_protocol = ops->get_tag_protocol(ds);
- dst->tag_ops = dsa_resolve_tag_protocol(tag_protocol);
- if (IS_ERR(dst->tag_ops))
- return PTR_ERR(dst->tag_ops);
+ tag_protocol = ops->get_tag_protocol(ds, dst->cpu_dp->index);
+ tag_ops = dsa_resolve_tag_protocol(tag_protocol);
+ if (IS_ERR(tag_ops))
+ return PTR_ERR(tag_ops);
+
+ dst->cpu_dp->tag_ops = tag_ops;
- dst->rcv = dst->tag_ops->rcv;
+ /* Few copies for faster access in master receive hot path */
+ dst->cpu_dp->rcv = dst->cpu_dp->tag_ops->rcv;
+ dst->cpu_dp->dst = dst;
}
memcpy(ds->rtable, cd->rtable, sizeof(ds->rtable));
@@ -169,14 +176,8 @@ static int dsa_switch_setup_one(struct dsa_switch *ds, struct net_device *master
if (ret)
return ret;
- if (ops->set_addr) {
- ret = ops->set_addr(ds, master->dev_addr);
- if (ret < 0)
- return ret;
- }
-
if (!ds->slave_mii_bus && ops->phy_read) {
- ds->slave_mii_bus = devm_mdiobus_alloc(parent);
+ ds->slave_mii_bus = devm_mdiobus_alloc(ds->dev);
if (!ds->slave_mii_bus)
return -ENOMEM;
dsa_slave_mii_bus_init(ds);
@@ -193,25 +194,21 @@ static int dsa_switch_setup_one(struct dsa_switch *ds, struct net_device *master
ds->ports[i].dn = cd->port_dn[i];
ds->ports[i].cpu_dp = dst->cpu_dp;
- if (!(ds->enabled_port_mask & (1 << i)))
+ if (dsa_is_user_port(ds, i))
continue;
- ret = dsa_slave_create(ds, parent, i, cd->port_names[i]);
+ ret = dsa_slave_create(&ds->ports[i]);
if (ret < 0)
netdev_err(master, "[%d]: can't create dsa slave device for port %d(%s): %d\n",
index, i, cd->port_names[i], ret);
}
/* Perform configuration of the CPU and DSA ports */
- ret = dsa_cpu_dsa_setups(ds, parent);
+ ret = dsa_cpu_dsa_setups(ds);
if (ret < 0)
netdev_err(master, "[%d] : can't configure CPU and DSA ports\n",
index);
- ret = dsa_cpu_port_ethtool_setup(ds->dst->cpu_dp);
- if (ret)
- return ret;
-
return 0;
}
@@ -252,7 +249,7 @@ dsa_switch_setup(struct dsa_switch_tree *dst, struct net_device *master,
ds->ops = ops;
ds->priv = priv;
- ret = dsa_switch_setup_one(ds, master, parent);
+ ret = dsa_switch_setup_one(ds, master);
if (ret)
return ERR_PTR(ret);
@@ -265,24 +262,20 @@ static void dsa_switch_destroy(struct dsa_switch *ds)
/* Destroy network devices for physical switch ports. */
for (port = 0; port < ds->num_ports; port++) {
- if (!(ds->enabled_port_mask & (1 << port)))
+ if (!dsa_is_user_port(ds, port))
continue;
- if (!ds->ports[port].netdev)
+ if (!ds->ports[port].slave)
continue;
- dsa_slave_destroy(ds->ports[port].netdev);
+ dsa_slave_destroy(ds->ports[port].slave);
}
/* Disable configuration of the CPU and DSA ports */
for (port = 0; port < ds->num_ports; port++) {
if (!(dsa_is_cpu_port(ds, port) || dsa_is_dsa_port(ds, port)))
continue;
- dsa_cpu_dsa_destroy(&ds->ports[port]);
-
- /* Clearing a bit which is not set does no harm */
- ds->cpu_port_mask |= ~(1 << port);
- ds->dsa_port_mask |= ~(1 << port);
+ dsa_port_fixed_link_unregister_of(&ds->ports[port]);
}
if (ds->slave_mii_bus && ds->ops->phy_read)
@@ -600,15 +593,7 @@ static int dsa_setup_dst(struct dsa_switch_tree *dst, struct net_device *dev,
if (!configured)
return -EPROBE_DEFER;
- /*
- * If we use a tagging format that doesn't have an ethertype
- * field, make sure that all packets from this point on get
- * sent to the tag format's receive function.
- */
- wmb();
- dev->dsa_ptr = dst;
-
- return 0;
+ return dsa_master_setup(dst->cpu_dp->master, dst->cpu_dp);
}
static int dsa_probe(struct platform_device *pdev)
@@ -673,13 +658,7 @@ static void dsa_remove_dst(struct dsa_switch_tree *dst)
{
int i;
- dst->cpu_dp->netdev->dsa_ptr = NULL;
-
- /* If we used a tagging format that doesn't have an ethertype
- * field, make sure that all packets from this point get sent
- * without the tag and go through the regular receive path.
- */
- wmb();
+ dsa_master_teardown(dst->cpu_dp->master);
for (i = 0; i < dst->pd->nr_chips; i++) {
struct dsa_switch *ds = dst->ds[i];
@@ -688,9 +667,7 @@ static void dsa_remove_dst(struct dsa_switch_tree *dst)
dsa_switch_destroy(ds);
}
- dsa_cpu_port_ethtool_restore(dst->cpu_dp);
-
- dev_put(dst->cpu_dp->netdev);
+ dev_put(dst->cpu_dp->master);
}
static int dsa_remove(struct platform_device *pdev)
@@ -741,6 +718,26 @@ static int dsa_resume(struct device *d)
}
#endif
+/* legacy way, bypassing the bridge *****************************************/
+int dsa_legacy_fdb_add(struct ndmsg *ndm, struct nlattr *tb[],
+ struct net_device *dev,
+ const unsigned char *addr, u16 vid,
+ u16 flags)
+{
+ struct dsa_port *dp = dsa_slave_to_port(dev);
+
+ return dsa_port_fdb_add(dp, addr, vid);
+}
+
+int dsa_legacy_fdb_del(struct ndmsg *ndm, struct nlattr *tb[],
+ struct net_device *dev,
+ const unsigned char *addr, u16 vid)
+{
+ struct dsa_port *dp = dsa_slave_to_port(dev);
+
+ return dsa_port_fdb_del(dp, addr, vid);
+}
+
static SIMPLE_DEV_PM_OPS(dsa_pm_ops, dsa_suspend, dsa_resume);
static const struct of_device_id dsa_of_match_table[] = {
generated by cgit v1.2.3 (git 2.46.0) at 2025-09-07 23:36:21 +0000