diff options
Diffstat (limited to 'include/net/dsa.h')
-rw-r--r-- | include/net/dsa.h | 121 |
1 files changed, 91 insertions, 30 deletions
diff --git a/include/net/dsa.h b/include/net/dsa.h index b122196d5a1f..4e13e695f025 100644 --- a/include/net/dsa.h +++ b/include/net/dsa.h @@ -11,15 +11,19 @@ #ifndef __LINUX_NET_DSA_H #define __LINUX_NET_DSA_H +#include <linux/if.h> #include <linux/if_ether.h> #include <linux/list.h> +#include <linux/notifier.h> #include <linux/timer.h> #include <linux/workqueue.h> #include <linux/of.h> -#include <linux/phy.h> -#include <linux/phy_fixed.h> #include <linux/ethtool.h> +struct tc_action; +struct phy_device; +struct fixed_phy_status; + enum dsa_tag_protocol { DSA_TAG_PROTO_NONE = 0, DSA_TAG_PROTO_DSA, @@ -42,6 +46,11 @@ struct dsa_chip_data { struct device *host_dev; int sw_addr; + /* + * Reference to network devices + */ + struct device *netdev[DSA_MAX_PORTS]; + /* set to size of eeprom if supported by the switch */ int eeprom_len; @@ -90,6 +99,9 @@ struct packet_type; struct dsa_switch_tree { struct list_head list; + /* Notifier chain for switch-wide events */ + struct raw_notifier_head nh; + /* Tree identifier */ u32 tree; @@ -124,7 +136,7 @@ struct dsa_switch_tree { /* * The switch and port to which the CPU is attached. */ - s8 cpu_switch; + struct dsa_switch *cpu_switch; s8 cpu_port; /* @@ -139,11 +151,37 @@ struct dsa_switch_tree { const struct dsa_device_ops *tag_ops; }; +/* TC matchall action types, only mirroring for now */ +enum dsa_port_mall_action_type { + DSA_PORT_MALL_MIRROR, +}; + +/* TC mirroring entry */ +struct dsa_mall_mirror_tc_entry { + u8 to_local_port; + bool ingress; +}; + +/* TC matchall entry */ +struct dsa_mall_tc_entry { + struct list_head list; + unsigned long cookie; + enum dsa_port_mall_action_type type; + union { + struct dsa_mall_mirror_tc_entry mirror; + }; +}; + + struct dsa_port { + struct dsa_switch *ds; + unsigned int index; + const char *name; struct net_device *netdev; struct device_node *dn; unsigned int ageing_time; u8 stp_state; + struct net_device *bridge_dev; }; struct dsa_switch { @@ -155,6 +193,9 @@ struct dsa_switch { struct dsa_switch_tree *dst; int index; + /* Listener for switch fabric events */ + struct notifier_block nb; + /* * Give the switch driver somewhere to hang its private data * structure. @@ -169,7 +210,7 @@ struct dsa_switch { /* * The switch operations. */ - struct dsa_switch_ops *ops; + const struct dsa_switch_ops *ops; /* * An array of which element [a] indicates which port on this @@ -178,14 +219,6 @@ struct dsa_switch { */ s8 rtable[DSA_MAX_SWITCHES]; -#ifdef CONFIG_NET_DSA_HWMON - /* - * Hardware monitoring information - */ - char hwmon_name[IFNAMSIZ + 8]; - struct device *hwmon_dev; -#endif - /* * The lower device this switch uses to talk to the host */ @@ -198,13 +231,16 @@ struct dsa_switch { 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; + + /* Dynamically allocated ports, keep last */ + size_t num_ports; + struct dsa_port ports[]; }; static inline bool dsa_is_cpu_port(struct dsa_switch *ds, int p) { - return !!(ds->index == ds->dst->cpu_switch && p == ds->dst->cpu_port); + return !!(ds == ds->dst->cpu_switch && p == ds->dst->cpu_port); } static inline bool dsa_is_dsa_port(struct dsa_switch *ds, int p) @@ -227,10 +263,10 @@ static inline u8 dsa_upstream_port(struct dsa_switch *ds) * Else return the (DSA) port number that connects to the * switch that is one hop closer to the cpu. */ - if (dst->cpu_switch == ds->index) + if (dst->cpu_switch == ds) return dst->cpu_port; else - return ds->rtable[dst->cpu_switch]; + return ds->rtable[dst->cpu_switch->index]; } struct switchdev_trans; @@ -239,9 +275,17 @@ struct switchdev_obj_port_fdb; struct switchdev_obj_port_mdb; struct switchdev_obj_port_vlan; -struct dsa_switch_ops { - struct list_head list; +#define DSA_NOTIFIER_BRIDGE_JOIN 1 +#define DSA_NOTIFIER_BRIDGE_LEAVE 2 + +/* DSA_NOTIFIER_BRIDGE_* */ +struct dsa_notifier_bridge_info { + struct net_device *br; + int sw_index; + int port; +}; +struct dsa_switch_ops { /* * Probing and setup. */ @@ -309,14 +353,6 @@ struct dsa_switch_ops { int (*get_eee)(struct dsa_switch *ds, int port, struct ethtool_eee *e); -#ifdef CONFIG_NET_DSA_HWMON - /* Hardware monitoring */ - int (*get_temp)(struct dsa_switch *ds, int *temp); - int (*get_temp_limit)(struct dsa_switch *ds, int *temp); - int (*set_temp_limit)(struct dsa_switch *ds, int temp); - int (*get_temp_alarm)(struct dsa_switch *ds, bool *alarm); -#endif - /* EEPROM access */ int (*get_eeprom_len)(struct dsa_switch *ds); int (*get_eeprom)(struct dsa_switch *ds, @@ -337,7 +373,8 @@ struct dsa_switch_ops { 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); + void (*port_bridge_leave)(struct dsa_switch *ds, int port, + struct net_device *bridge); void (*port_stp_state_set)(struct dsa_switch *ds, int port, u8 state); void (*port_fast_age)(struct dsa_switch *ds, int port); @@ -388,19 +425,43 @@ struct dsa_switch_ops { int (*port_mdb_dump)(struct dsa_switch *ds, int port, struct switchdev_obj_port_mdb *mdb, int (*cb)(struct switchdev_obj *obj)); + + /* + * RXNFC + */ + int (*get_rxnfc)(struct dsa_switch *ds, int port, + struct ethtool_rxnfc *nfc, u32 *rule_locs); + int (*set_rxnfc)(struct dsa_switch *ds, int port, + struct ethtool_rxnfc *nfc); + + /* + * TC integration + */ + int (*port_mirror_add)(struct dsa_switch *ds, int port, + struct dsa_mall_mirror_tc_entry *mirror, + bool ingress); + void (*port_mirror_del)(struct dsa_switch *ds, int port, + struct dsa_mall_mirror_tc_entry *mirror); +}; + +struct dsa_switch_driver { + struct list_head list; + const struct dsa_switch_ops *ops; }; -void register_switch_driver(struct dsa_switch_ops *type); -void unregister_switch_driver(struct dsa_switch_ops *type); +void register_switch_driver(struct dsa_switch_driver *type); +void unregister_switch_driver(struct dsa_switch_driver *type); struct mii_bus *dsa_host_dev_to_mii_bus(struct device *dev); +struct net_device *dsa_dev_to_net_device(struct device *dev); static inline bool dsa_uses_tagged_protocol(struct dsa_switch_tree *dst) { return dst->rcv != NULL; } +struct dsa_switch *dsa_switch_alloc(struct device *dev, size_t n); void dsa_unregister_switch(struct dsa_switch *ds); -int dsa_register_switch(struct dsa_switch *ds, struct device_node *np); +int dsa_register_switch(struct dsa_switch *ds, struct device *dev); #ifdef CONFIG_PM_SLEEP int dsa_switch_suspend(struct dsa_switch *ds); int dsa_switch_resume(struct dsa_switch *ds); |