diff options
Diffstat (limited to 'include/net/dsa.h')
| -rw-r--r-- | include/net/dsa.h | 108 |
1 files changed, 85 insertions, 23 deletions
diff --git a/include/net/dsa.h b/include/net/dsa.h index 541fb514e31d..6767dc3f66c0 100644 --- a/include/net/dsa.h +++ b/include/net/dsa.h @@ -42,6 +42,7 @@ struct phylink_link_state; #define DSA_TAG_PROTO_8021Q_VALUE 12 #define DSA_TAG_PROTO_SJA1105_VALUE 13 #define DSA_TAG_PROTO_KSZ8795_VALUE 14 +#define DSA_TAG_PROTO_OCELOT_VALUE 15 enum dsa_tag_protocol { DSA_TAG_PROTO_NONE = DSA_TAG_PROTO_NONE_VALUE, @@ -59,6 +60,7 @@ enum dsa_tag_protocol { DSA_TAG_PROTO_8021Q = DSA_TAG_PROTO_8021Q_VALUE, DSA_TAG_PROTO_SJA1105 = DSA_TAG_PROTO_SJA1105_VALUE, DSA_TAG_PROTO_KSZ8795 = DSA_TAG_PROTO_KSZ8795_VALUE, + DSA_TAG_PROTO_OCELOT = DSA_TAG_PROTO_OCELOT_VALUE, }; struct packet_type; @@ -94,8 +96,6 @@ struct __dsa_skb_cb { u8 priv[48 - sizeof(struct dsa_skb_cb)]; }; -#define __DSA_SKB_CB(skb) ((struct __dsa_skb_cb *)((skb)->cb)) - #define DSA_SKB_CB(skb) ((struct dsa_skb_cb *)((skb)->cb)) #define DSA_SKB_CB_PRIV(skb) \ @@ -122,15 +122,11 @@ struct dsa_switch_tree { */ struct dsa_platform_data *pd; - /* - * The switch port to which the CPU is attached. - */ - struct dsa_port *cpu_dp; + /* List of switch ports */ + struct list_head ports; - /* - * Data for the individual switch chips. - */ - struct dsa_switch *ds[DSA_MAX_SWITCHES]; + /* List of DSA links composing the routing table */ + struct list_head rtable; }; /* TC matchall action types, only mirroring for now */ @@ -197,6 +193,8 @@ struct dsa_port { struct work_struct xmit_work; struct sk_buff_head xmit_queue; + struct list_head list; + /* * Give the switch driver somewhere to hang its per-port private data * structures (accessible from the tagger). @@ -212,9 +210,24 @@ struct dsa_port { * Original copy of the master netdev net_device_ops */ const struct net_device_ops *orig_ndo_ops; + + bool setup; +}; + +/* TODO: ideally DSA ports would have a single dp->link_dp member, + * and no dst->rtable nor this struct dsa_link would be needed, + * but this would require some more complex tree walking, + * so keep it stupid at the moment and list them all. + */ +struct dsa_link { + struct dsa_port *dp; + struct dsa_port *link_dp; + struct list_head list; }; struct dsa_switch { + bool setup; + struct device *dev; /* @@ -243,13 +256,6 @@ struct dsa_switch { const struct dsa_switch_ops *ops; /* - * 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. - */ - s8 rtable[DSA_MAX_SWITCHES]; - - /* * Slave mii_bus and devices for the individual ports. */ u32 phys_mii_mask; @@ -275,14 +281,19 @@ struct dsa_switch { */ bool vlan_filtering; - /* Dynamically allocated ports, keep last */ size_t num_ports; - struct dsa_port ports[]; }; -static inline const struct dsa_port *dsa_to_port(struct dsa_switch *ds, int p) +static inline struct dsa_port *dsa_to_port(struct dsa_switch *ds, int p) { - return &ds->ports[p]; + struct dsa_switch_tree *dst = ds->dst; + struct dsa_port *dp; + + list_for_each_entry(dp, &dst->ports, list) + if (dp->ds == ds && dp->index == p) + return dp; + + return NULL; } static inline bool dsa_is_unused_port(struct dsa_switch *ds, int p) @@ -317,6 +328,19 @@ static inline u32 dsa_user_ports(struct dsa_switch *ds) return mask; } +/* Return the local port used to reach an arbitrary switch device */ +static inline unsigned int dsa_routing_port(struct dsa_switch *ds, int device) +{ + struct dsa_switch_tree *dst = ds->dst; + struct dsa_link *dl; + + list_for_each_entry(dl, &dst->rtable, list) + if (dl->dp->ds == ds && dl->link_dp->ds->index == device) + return dl->dp->index; + + return ds->num_ports; +} + /* Return the local port used to reach an arbitrary switch port */ static inline unsigned int dsa_towards_port(struct dsa_switch *ds, int device, int port) @@ -324,7 +348,7 @@ static inline unsigned int dsa_towards_port(struct dsa_switch *ds, int device, if (device == ds->index) return port; else - return ds->rtable[device]; + return dsa_routing_port(ds, device); } /* Return the local port used to reach the dedicated CPU port */ @@ -543,6 +567,45 @@ struct dsa_switch_ops { */ netdev_tx_t (*port_deferred_xmit)(struct dsa_switch *ds, int port, struct sk_buff *skb); + /* Devlink parameters */ + int (*devlink_param_get)(struct dsa_switch *ds, u32 id, + struct devlink_param_gset_ctx *ctx); + int (*devlink_param_set)(struct dsa_switch *ds, u32 id, + struct devlink_param_gset_ctx *ctx); +}; + +#define DSA_DEVLINK_PARAM_DRIVER(_id, _name, _type, _cmodes) \ + DEVLINK_PARAM_DRIVER(_id, _name, _type, _cmodes, \ + dsa_devlink_param_get, dsa_devlink_param_set, NULL) + +int dsa_devlink_param_get(struct devlink *dl, u32 id, + struct devlink_param_gset_ctx *ctx); +int dsa_devlink_param_set(struct devlink *dl, u32 id, + struct devlink_param_gset_ctx *ctx); +int dsa_devlink_params_register(struct dsa_switch *ds, + const struct devlink_param *params, + size_t params_count); +void dsa_devlink_params_unregister(struct dsa_switch *ds, + const struct devlink_param *params, + size_t params_count); +int dsa_devlink_resource_register(struct dsa_switch *ds, + const char *resource_name, + u64 resource_size, + u64 resource_id, + u64 parent_resource_id, + const struct devlink_resource_size_params *size_params); + +void dsa_devlink_resources_unregister(struct dsa_switch *ds); + +void dsa_devlink_resource_occ_get_register(struct dsa_switch *ds, + u64 resource_id, + devlink_resource_occ_get_t *occ_get, + void *occ_get_priv); +void dsa_devlink_resource_occ_get_unregister(struct dsa_switch *ds, + u64 resource_id); + +struct dsa_devlink_priv { + struct dsa_switch *ds; }; struct dsa_switch_driver { @@ -570,7 +633,6 @@ static inline bool dsa_can_decode(const struct sk_buff *skb, return false; } -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); #ifdef CONFIG_PM_SLEEP |