diff options
Diffstat (limited to 'include/net/dsa.h')
| -rw-r--r-- | include/net/dsa.h | 155 |
1 files changed, 119 insertions, 36 deletions
diff --git a/include/net/dsa.h b/include/net/dsa.h index ae480bba11f5..18db7b8e7a8e 100644 --- a/include/net/dsa.h +++ b/include/net/dsa.h @@ -30,20 +30,32 @@ struct phy_device; struct fixed_phy_status; struct phylink_link_state; +#define DSA_TAG_PROTO_NONE_VALUE 0 +#define DSA_TAG_PROTO_BRCM_VALUE 1 +#define DSA_TAG_PROTO_BRCM_PREPEND_VALUE 2 +#define DSA_TAG_PROTO_DSA_VALUE 3 +#define DSA_TAG_PROTO_EDSA_VALUE 4 +#define DSA_TAG_PROTO_GSWIP_VALUE 5 +#define DSA_TAG_PROTO_KSZ9477_VALUE 6 +#define DSA_TAG_PROTO_KSZ9893_VALUE 7 +#define DSA_TAG_PROTO_LAN9303_VALUE 8 +#define DSA_TAG_PROTO_MTK_VALUE 9 +#define DSA_TAG_PROTO_QCA_VALUE 10 +#define DSA_TAG_PROTO_TRAILER_VALUE 11 + enum dsa_tag_protocol { - DSA_TAG_PROTO_NONE = 0, - DSA_TAG_PROTO_BRCM, - DSA_TAG_PROTO_BRCM_PREPEND, - DSA_TAG_PROTO_DSA, - DSA_TAG_PROTO_EDSA, - DSA_TAG_PROTO_GSWIP, - DSA_TAG_PROTO_KSZ9477, - DSA_TAG_PROTO_KSZ9893, - DSA_TAG_PROTO_LAN9303, - DSA_TAG_PROTO_MTK, - DSA_TAG_PROTO_QCA, - DSA_TAG_PROTO_TRAILER, - DSA_TAG_LAST, /* MUST BE LAST */ + DSA_TAG_PROTO_NONE = DSA_TAG_PROTO_NONE_VALUE, + DSA_TAG_PROTO_BRCM = DSA_TAG_PROTO_BRCM_VALUE, + DSA_TAG_PROTO_BRCM_PREPEND = DSA_TAG_PROTO_BRCM_PREPEND_VALUE, + DSA_TAG_PROTO_DSA = DSA_TAG_PROTO_DSA_VALUE, + DSA_TAG_PROTO_EDSA = DSA_TAG_PROTO_EDSA_VALUE, + DSA_TAG_PROTO_GSWIP = DSA_TAG_PROTO_GSWIP_VALUE, + DSA_TAG_PROTO_KSZ9477 = DSA_TAG_PROTO_KSZ9477_VALUE, + DSA_TAG_PROTO_KSZ9893 = DSA_TAG_PROTO_KSZ9893_VALUE, + DSA_TAG_PROTO_LAN9303 = DSA_TAG_PROTO_LAN9303_VALUE, + DSA_TAG_PROTO_MTK = DSA_TAG_PROTO_MTK_VALUE, + DSA_TAG_PROTO_QCA = DSA_TAG_PROTO_QCA_VALUE, + DSA_TAG_PROTO_TRAILER = DSA_TAG_PROTO_TRAILER_VALUE, }; struct packet_type; @@ -56,8 +68,14 @@ struct dsa_device_ops { int (*flow_dissect)(const struct sk_buff *skb, __be16 *proto, int *offset); unsigned int overhead; + const char *name; + enum dsa_tag_protocol proto; }; +#define DSA_TAG_DRIVER_ALIAS "dsa_tag-" +#define MODULE_ALIAS_DSA_TAG_DRIVER(__proto) \ + MODULE_ALIAS(DSA_TAG_DRIVER_ALIAS __stringify(__proto##_VALUE)) + struct dsa_switch_tree { struct list_head list; @@ -140,8 +158,10 @@ struct dsa_port { unsigned int index; const char *name; const struct dsa_port *cpu_dp; + const char *mac; struct device_node *dn; unsigned int ageing_time; + bool vlan_filtering; u8 stp_state; struct net_device *bridge_dev; struct devlink_port devlink_port; @@ -208,6 +228,16 @@ struct dsa_switch { /* Number of switch port queues */ unsigned int num_tx_queues; + /* Disallow bridge core from requesting different VLAN awareness + * settings on ports if not hardware-supported + */ + bool vlan_filtering_is_global; + + /* In case vlan_filtering_is_global is set, the VLAN awareness state + * should be retrieved from here and not from the per-port settings. + */ + bool vlan_filtering; + unsigned long *bitmap; unsigned long _bitmap; @@ -275,18 +305,19 @@ static inline unsigned int dsa_upstream_port(struct dsa_switch *ds, int port) return dsa_towards_port(ds, cpu_dp->ds->index, cpu_dp->index); } +static inline bool dsa_port_is_vlan_filtering(const struct dsa_port *dp) +{ + const struct dsa_switch *ds = dp->ds; + + if (ds->vlan_filtering_is_global) + return ds->vlan_filtering; + else + return dp->vlan_filtering; +} + typedef int dsa_fdb_dump_cb_t(const unsigned char *addr, u16 vid, bool is_static, void *data); struct dsa_switch_ops { -#if IS_ENABLED(CONFIG_NET_DSA_LEGACY) - /* - * Legacy probing. - */ - const char *(*probe)(struct device *dsa_dev, - struct device *host_dev, int sw_addr, - void **priv); -#endif - enum dsa_tag_protocol (*get_tag_protocol)(struct dsa_switch *ds, int port); @@ -476,20 +507,6 @@ struct dsa_switch_driver { const struct dsa_switch_ops *ops; }; -#if IS_ENABLED(CONFIG_NET_DSA_LEGACY) -/* Legacy driver registration */ -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); - -#else -static inline void register_switch_driver(struct dsa_switch_driver *type) { } -static inline void unregister_switch_driver(struct dsa_switch_driver *type) { } -static inline struct mii_bus *dsa_host_dev_to_mii_bus(struct device *dev) -{ - return NULL; -} -#endif struct net_device *dsa_dev_to_net_device(struct device *dev); /* Keep inline for faster access in hot path */ @@ -574,4 +591,70 @@ int dsa_port_get_ethtool_phy_stats(struct dsa_port *dp, uint64_t *data); int dsa_port_get_phy_sset_count(struct dsa_port *dp); void dsa_port_phylink_mac_change(struct dsa_switch *ds, int port, bool up); +struct dsa_tag_driver { + const struct dsa_device_ops *ops; + struct list_head list; + struct module *owner; +}; + +void dsa_tag_drivers_register(struct dsa_tag_driver *dsa_tag_driver_array[], + unsigned int count, + struct module *owner); +void dsa_tag_drivers_unregister(struct dsa_tag_driver *dsa_tag_driver_array[], + unsigned int count); + +#define dsa_tag_driver_module_drivers(__dsa_tag_drivers_array, __count) \ +static int __init dsa_tag_driver_module_init(void) \ +{ \ + dsa_tag_drivers_register(__dsa_tag_drivers_array, __count, \ + THIS_MODULE); \ + return 0; \ +} \ +module_init(dsa_tag_driver_module_init); \ + \ +static void __exit dsa_tag_driver_module_exit(void) \ +{ \ + dsa_tag_drivers_unregister(__dsa_tag_drivers_array, __count); \ +} \ +module_exit(dsa_tag_driver_module_exit) + +/** + * module_dsa_tag_drivers() - Helper macro for registering DSA tag + * drivers + * @__ops_array: Array of tag driver strucutres + * + * Helper macro for DSA tag drivers which do not do anything special + * in module init/exit. Each module may only use this macro once, and + * calling it replaces module_init() and module_exit(). + */ +#define module_dsa_tag_drivers(__ops_array) \ +dsa_tag_driver_module_drivers(__ops_array, ARRAY_SIZE(__ops_array)) + +#define DSA_TAG_DRIVER_NAME(__ops) dsa_tag_driver ## _ ## __ops + +/* Create a static structure we can build a linked list of dsa_tag + * drivers + */ +#define DSA_TAG_DRIVER(__ops) \ +static struct dsa_tag_driver DSA_TAG_DRIVER_NAME(__ops) = { \ + .ops = &__ops, \ +} + +/** + * module_dsa_tag_driver() - Helper macro for registering a single DSA tag + * driver + * @__ops: Single tag driver structures + * + * Helper macro for DSA tag drivers which do not do anything special + * in module init/exit. Each module may only use this macro once, and + * calling it replaces module_init() and module_exit(). + */ +#define module_dsa_tag_driver(__ops) \ +DSA_TAG_DRIVER(__ops); \ + \ +static struct dsa_tag_driver *dsa_tag_driver_array[] = { \ + &DSA_TAG_DRIVER_NAME(__ops) \ +}; \ +module_dsa_tag_drivers(dsa_tag_driver_array) #endif + |