diff options
Diffstat (limited to 'include/net/dsa.h')
| -rw-r--r-- | include/net/dsa.h | 98 |
1 files changed, 68 insertions, 30 deletions
diff --git a/include/net/dsa.h b/include/net/dsa.h index 6463bb2863ac..2217a3f817f8 100644 --- a/include/net/dsa.h +++ b/include/net/dsa.h @@ -16,7 +16,6 @@ #include <linux/timer.h> #include <linux/workqueue.h> #include <linux/of.h> -#include <linux/of_gpio.h> #include <linux/phy.h> #include <linux/phy_fixed.h> #include <linux/ethtool.h> @@ -27,11 +26,14 @@ enum dsa_tag_protocol { DSA_TAG_PROTO_TRAILER, DSA_TAG_PROTO_EDSA, DSA_TAG_PROTO_BRCM, + DSA_TAG_LAST, /* MUST BE LAST */ }; #define DSA_MAX_SWITCHES 4 #define DSA_MAX_PORTS 12 +#define DSA_RTABLE_NONE -1 + struct dsa_chip_data { /* * How to access the switch configuration registers. @@ -59,19 +61,11 @@ struct dsa_chip_data { struct device_node *port_dn[DSA_MAX_PORTS]; /* - * An array (with nr_chips elements) of which element [a] - * indicates which port on this switch should be used to - * send packets to that are destined for switch a. Can be - * NULL if there is only one switch chip. - */ - s8 *rtable; - - /* - * A switch may have a GPIO line tied to its reset pin. Parse - * this from the device tree, and use it before performing - * switch soft reset. + * An array of which element [a] indicates which port on this + * switch should be used to send packets to that are destined + * for switch a. Can be NULL if there is only one switch chip. */ - struct gpio_desc *reset; + s8 rtable[DSA_MAX_SWITCHES]; }; struct dsa_platform_data { @@ -93,6 +87,17 @@ struct dsa_platform_data { struct packet_type; struct dsa_switch_tree { + struct list_head list; + + /* Tree identifier */ + u32 tree; + + /* Number of switches attached to this tree */ + struct kref refcount; + + /* Has this tree been applied to the hardware? */ + bool applied; + /* * Configuration data for the platform device that owns * this dsa switch tree instance. @@ -108,7 +113,12 @@ struct dsa_switch_tree { struct net_device *dev, struct packet_type *pt, struct net_device *orig_dev); - enum dsa_tag_protocol tag_protocol; + + /* + * Original copy of the master netdev ethtool_ops + */ + struct ethtool_ops master_ethtool_ops; + const struct ethtool_ops *master_orig_ethtool_ops; /* * The switch and port to which the CPU is attached. @@ -120,9 +130,23 @@ struct dsa_switch_tree { * Data for the individual switch chips. */ struct dsa_switch *ds[DSA_MAX_SWITCHES]; + + /* + * Tagging protocol operations for adding and removing an + * encapsulation tag. + */ + const struct dsa_device_ops *tag_ops; +}; + +struct dsa_port { + struct net_device *netdev; + struct device_node *dn; + unsigned int ageing_time; }; struct dsa_switch { + struct device *dev; + /* * Parent switch tree, and switch index. */ @@ -130,14 +154,15 @@ struct dsa_switch { int index; /* - * Tagging protocol understood by this switch + * Give the switch driver somewhere to hang its private data + * structure. */ - enum dsa_tag_protocol tag_protocol; + void *priv; /* * Configuration data for this switch. */ - struct dsa_chip_data *pd; + struct dsa_chip_data *cd; /* * The used switch driver. @@ -145,9 +170,11 @@ struct dsa_switch { struct dsa_switch_driver *drv; /* - * Reference to host device to use. + * An array of which element [a] indicates which port on this + * switch should be used to send packets to that are destined + * for switch a. Can be NULL if there is only one switch chip. */ - struct device *master_dev; + s8 rtable[DSA_MAX_SWITCHES]; #ifdef CONFIG_NET_DSA_HWMON /* @@ -158,13 +185,19 @@ struct dsa_switch { #endif /* + * The lower device this switch uses to talk to the host + */ + struct net_device *master_netdev; + + /* * Slave mii_bus and devices for the individual ports. */ u32 dsa_port_mask; - u32 phys_port_mask; + u32 cpu_port_mask; + u32 enabled_port_mask; u32 phys_mii_mask; + struct dsa_port ports[DSA_MAX_PORTS]; struct mii_bus *slave_mii_bus; - struct net_device *ports[DSA_MAX_PORTS]; }; static inline bool dsa_is_cpu_port(struct dsa_switch *ds, int p) @@ -179,7 +212,7 @@ static inline bool dsa_is_dsa_port(struct dsa_switch *ds, int p) static inline bool dsa_is_port_initialized(struct dsa_switch *ds, int p) { - return ds->phys_port_mask & (1 << p) && ds->ports[p]; + return ds->enabled_port_mask & (1 << p) && ds->ports[p].netdev; } static inline u8 dsa_upstream_port(struct dsa_switch *ds) @@ -195,7 +228,7 @@ static inline u8 dsa_upstream_port(struct dsa_switch *ds) if (dst->cpu_switch == ds->index) return dst->cpu_port; else - return ds->pd->rtable[dst->cpu_switch]; + return ds->rtable[dst->cpu_switch]; } struct switchdev_trans; @@ -207,12 +240,13 @@ struct dsa_switch_driver { struct list_head list; enum dsa_tag_protocol tag_protocol; - int priv_size; /* * Probing and setup. */ - char *(*probe)(struct device *host_dev, int sw_addr); + const char *(*probe)(struct device *dsa_dev, + struct device *host_dev, int sw_addr, + void **priv); int (*setup)(struct dsa_switch *ds); int (*set_addr)(struct dsa_switch *ds, u8 *addr); u32 (*get_phy_flags)(struct dsa_switch *ds, int port); @@ -296,11 +330,12 @@ struct dsa_switch_driver { /* * Bridge integration */ + int (*set_ageing_time)(struct dsa_switch *ds, unsigned int msecs); int (*port_bridge_join)(struct dsa_switch *ds, int port, struct net_device *bridge); void (*port_bridge_leave)(struct dsa_switch *ds, int port); - int (*port_stp_update)(struct dsa_switch *ds, int port, - u8 state); + void (*port_stp_state_set)(struct dsa_switch *ds, int port, + u8 state); /* * VLAN support @@ -310,7 +345,7 @@ struct dsa_switch_driver { int (*port_vlan_prepare)(struct dsa_switch *ds, int port, const struct switchdev_obj_port_vlan *vlan, struct switchdev_trans *trans); - int (*port_vlan_add)(struct dsa_switch *ds, int port, + void (*port_vlan_add)(struct dsa_switch *ds, int port, const struct switchdev_obj_port_vlan *vlan, struct switchdev_trans *trans); int (*port_vlan_del)(struct dsa_switch *ds, int port, @@ -325,7 +360,7 @@ struct dsa_switch_driver { int (*port_fdb_prepare)(struct dsa_switch *ds, int port, const struct switchdev_obj_port_fdb *fdb, struct switchdev_trans *trans); - int (*port_fdb_add)(struct dsa_switch *ds, int port, + void (*port_fdb_add)(struct dsa_switch *ds, int port, const struct switchdev_obj_port_fdb *fdb, struct switchdev_trans *trans); int (*port_fdb_del)(struct dsa_switch *ds, int port, @@ -341,11 +376,14 @@ struct mii_bus *dsa_host_dev_to_mii_bus(struct device *dev); static inline void *ds_to_priv(struct dsa_switch *ds) { - return (void *)(ds + 1); + return ds->priv; } static inline bool dsa_uses_tagged_protocol(struct dsa_switch_tree *dst) { return dst->rcv != NULL; } + +void dsa_unregister_switch(struct dsa_switch *ds); +int dsa_register_switch(struct dsa_switch *ds, struct device_node *np); #endif |