diff options
Diffstat (limited to 'net/dsa/dsa.c')
| -rw-r--r-- | net/dsa/dsa.c | 105 |
1 files changed, 32 insertions, 73 deletions
diff --git a/net/dsa/dsa.c b/net/dsa/dsa.c index 03c58b0eb082..6a9d0f50fbee 100644 --- a/net/dsa/dsa.c +++ b/net/dsa/dsa.c @@ -14,6 +14,7 @@ #include <linux/platform_device.h> #include <linux/slab.h> #include <linux/module.h> +#include <linux/notifier.h> #include <linux/of.h> #include <linux/of_mdio.h> #include <linux/of_platform.h> @@ -43,6 +44,9 @@ const struct dsa_device_ops *dsa_device_ops[DSA_TAG_LAST] = { #ifdef CONFIG_NET_DSA_TAG_BRCM [DSA_TAG_PROTO_BRCM] = &brcm_netdev_ops, #endif +#ifdef CONFIG_NET_DSA_TAG_BRCM_PREPEND + [DSA_TAG_PROTO_BRCM_PREPEND] = &brcm_prepend_netdev_ops, +#endif #ifdef CONFIG_NET_DSA_TAG_DSA [DSA_TAG_PROTO_DSA] = &dsa_netdev_ops, #endif @@ -67,37 +71,6 @@ const struct dsa_device_ops *dsa_device_ops[DSA_TAG_LAST] = { [DSA_TAG_PROTO_NONE] = &none_ops, }; -int dsa_cpu_dsa_setup(struct dsa_port *port) -{ - struct device_node *port_dn = port->dn; - struct dsa_switch *ds = port->ds; - struct phy_device *phydev; - int ret, mode; - - if (of_phy_is_fixed_link(port_dn)) { - ret = of_phy_register_fixed_link(port_dn); - if (ret) { - dev_err(ds->dev, "failed to register fixed PHY\n"); - return ret; - } - phydev = of_phy_find_device(port_dn); - - mode = of_get_phy_mode(port_dn); - if (mode < 0) - mode = PHY_INTERFACE_MODE_NA; - phydev->interface = mode; - - genphy_config_init(phydev); - genphy_read_status(phydev); - if (ds->ops->adjust_link) - ds->ops->adjust_link(ds, port->index, phydev); - - put_device(&phydev->mdio.dev); - } - - return 0; -} - const struct dsa_device_ops *dsa_resolve_tag_protocol(int tag_protocol) { const struct dsa_device_ops *ops; @@ -112,42 +85,6 @@ const struct dsa_device_ops *dsa_resolve_tag_protocol(int tag_protocol) return ops; } -int dsa_cpu_port_ethtool_setup(struct dsa_port *cpu_dp) -{ - struct dsa_switch *ds = cpu_dp->ds; - struct net_device *master; - struct ethtool_ops *cpu_ops; - - master = cpu_dp->netdev; - - cpu_ops = devm_kzalloc(ds->dev, sizeof(*cpu_ops), GFP_KERNEL); - if (!cpu_ops) - return -ENOMEM; - - memcpy(&cpu_dp->ethtool_ops, master->ethtool_ops, - sizeof(struct ethtool_ops)); - cpu_dp->orig_ethtool_ops = master->ethtool_ops; - memcpy(cpu_ops, &cpu_dp->ethtool_ops, - sizeof(struct ethtool_ops)); - dsa_cpu_port_ethtool_init(cpu_ops); - master->ethtool_ops = cpu_ops; - - return 0; -} - -void dsa_cpu_port_ethtool_restore(struct dsa_port *cpu_dp) -{ - cpu_dp->netdev->ethtool_ops = cpu_dp->orig_ethtool_ops; -} - -void dsa_cpu_dsa_destroy(struct dsa_port *port) -{ - struct device_node *port_dn = port->dn; - - if (of_phy_is_fixed_link(port_dn)) - of_phy_deregister_fixed_link(port_dn); -} - static int dev_is_class(struct device *dev, void *class) { if (dev->class != NULL && !strcmp(dev->class->name, class)) @@ -188,12 +125,12 @@ EXPORT_SYMBOL_GPL(dsa_dev_to_net_device); static int dsa_switch_rcv(struct sk_buff *skb, struct net_device *dev, struct packet_type *pt, struct net_device *unused) { - struct dsa_switch_tree *dst = dev->dsa_ptr; + struct dsa_port *cpu_dp = dev->dsa_ptr; struct sk_buff *nskb = NULL; struct pcpu_sw_netstats *s; struct dsa_slave_priv *p; - if (unlikely(dst == NULL)) { + if (unlikely(!cpu_dp)) { kfree_skb(skb); return 0; } @@ -202,7 +139,7 @@ static int dsa_switch_rcv(struct sk_buff *skb, struct net_device *dev, if (!skb) return 0; - nskb = dst->rcv(skb, dev, pt); + nskb = cpu_dp->rcv(skb, dev, pt); if (!nskb) { kfree_skb(skb); return 0; @@ -228,7 +165,7 @@ static int dsa_switch_rcv(struct sk_buff *skb, struct net_device *dev, #ifdef CONFIG_PM_SLEEP static bool dsa_is_port_initialized(struct dsa_switch *ds, int p) { - return ds->enabled_port_mask & (1 << p) && ds->ports[p].netdev; + return dsa_is_user_port(ds, p) && ds->ports[p].slave; } int dsa_switch_suspend(struct dsa_switch *ds) @@ -240,7 +177,7 @@ int dsa_switch_suspend(struct dsa_switch *ds) if (!dsa_is_port_initialized(ds, i)) continue; - ret = dsa_slave_suspend(ds->ports[i].netdev); + ret = dsa_slave_suspend(ds->ports[i].slave); if (ret) return ret; } @@ -267,7 +204,7 @@ int dsa_switch_resume(struct dsa_switch *ds) if (!dsa_is_port_initialized(ds, i)) continue; - ret = dsa_slave_resume(ds->ports[i].netdev); + ret = dsa_slave_resume(ds->ports[i].slave); if (ret) return ret; } @@ -289,6 +226,28 @@ bool dsa_schedule_work(struct work_struct *work) return queue_work(dsa_owq, work); } +static ATOMIC_NOTIFIER_HEAD(dsa_notif_chain); + +int register_dsa_notifier(struct notifier_block *nb) +{ + return atomic_notifier_chain_register(&dsa_notif_chain, nb); +} +EXPORT_SYMBOL_GPL(register_dsa_notifier); + +int unregister_dsa_notifier(struct notifier_block *nb) +{ + return atomic_notifier_chain_unregister(&dsa_notif_chain, nb); +} +EXPORT_SYMBOL_GPL(unregister_dsa_notifier); + +int call_dsa_notifiers(unsigned long val, struct net_device *dev, + struct dsa_notifier_info *info) +{ + info->dev = dev; + return atomic_notifier_call_chain(&dsa_notif_chain, val, info); +} +EXPORT_SYMBOL_GPL(call_dsa_notifiers); + static int __init dsa_init_module(void) { int rc; |