diff options
Diffstat (limited to 'include/net/dsa.h')
| -rw-r--r-- | include/net/dsa.h | 72 |
1 files changed, 43 insertions, 29 deletions
diff --git a/include/net/dsa.h b/include/net/dsa.h index 33f40c1ec379..f9a17145255a 100644 --- a/include/net/dsa.h +++ b/include/net/dsa.h @@ -79,20 +79,13 @@ enum dsa_tag_protocol { DSA_TAG_PROTO_SJA1110 = DSA_TAG_PROTO_SJA1110_VALUE, }; -struct packet_type; struct dsa_switch; struct dsa_device_ops { struct sk_buff *(*xmit)(struct sk_buff *skb, struct net_device *dev); - struct sk_buff *(*rcv)(struct sk_buff *skb, struct net_device *dev, - struct packet_type *pt); + struct sk_buff *(*rcv)(struct sk_buff *skb, struct net_device *dev); void (*flow_dissect)(const struct sk_buff *skb, __be16 *proto, int *offset); - /* Used to determine which traffic should match the DSA filter in - * eth_type_trans, and which, if any, should bypass it and be processed - * as regular on the master net device. - */ - bool (*filter)(const struct sk_buff *skb, struct net_device *dev); unsigned int needed_headroom; unsigned int needed_tailroom; const char *name; @@ -111,8 +104,8 @@ struct dsa_device_ops { * function pointers. */ struct dsa_netdevice_ops { - int (*ndo_do_ioctl)(struct net_device *dev, struct ifreq *ifr, - int cmd); + int (*ndo_eth_ioctl)(struct net_device *dev, struct ifreq *ifr, + int cmd); }; #define DSA_TAG_DRIVER_ALIAS "dsa_tag-" @@ -159,6 +152,9 @@ struct dsa_switch_tree { */ struct net_device **lags; unsigned int lags_len; + + /* Track the largest switch index within a tree */ + unsigned int last_switch; }; #define dsa_lags_foreach_id(_id, _dst) \ @@ -238,9 +234,7 @@ struct dsa_port { /* Copies for faster access in master receive hot path */ struct dsa_switch_tree *dst; - struct sk_buff *(*rcv)(struct sk_buff *skb, struct net_device *dev, - struct packet_type *pt); - bool (*filter)(const struct sk_buff *skb, struct net_device *dev); + struct sk_buff *(*rcv)(struct sk_buff *skb, struct net_device *dev); enum { DSA_PORT_TYPE_UNUSED = 0, @@ -257,8 +251,11 @@ struct dsa_port { struct device_node *dn; unsigned int ageing_time; bool vlan_filtering; + /* Managed by DSA on user ports and by drivers on CPU and DSA ports */ + bool learning; u8 stp_state; struct net_device *bridge_dev; + int bridge_num; struct devlink_port devlink_port; bool devlink_port_setup; struct phylink *pl; @@ -352,6 +349,9 @@ struct dsa_switch { unsigned int ageing_time_min; unsigned int ageing_time_max; + /* Storage for drivers using tag_8021q */ + struct dsa_8021q_context *tag_8021q_ctx; + /* devlink used to represent this switch device */ struct devlink *devlink; @@ -363,6 +363,9 @@ struct dsa_switch { */ bool vlan_filtering_is_global; + /* Keep VLAN filtering enabled on ports not offloading any upper. */ + bool needs_standalone_vlan_filtering; + /* Pass .port_vlan_add and .port_vlan_del to drivers even for bridges * that have vlan_filtering=0. All drivers should ideally set this (and * then the option would get removed), but it is unknown whether this @@ -407,6 +410,13 @@ struct dsa_switch { */ unsigned int num_lag_ids; + /* Drivers that support bridge forwarding offload should set this to + * the maximum number of bridges spanning the same switch tree (or all + * trees, in the case of cross-tree bridging support) that can be + * offloaded. + */ + unsigned int num_fwd_offloading_bridges; + size_t num_ports; }; @@ -690,6 +700,14 @@ struct dsa_switch_ops { struct net_device *bridge); void (*port_bridge_leave)(struct dsa_switch *ds, int port, struct net_device *bridge); + /* Called right after .port_bridge_join() */ + int (*port_bridge_tx_fwd_offload)(struct dsa_switch *ds, int port, + struct net_device *bridge, + int bridge_num); + /* Called right before .port_bridge_leave() */ + void (*port_bridge_tx_fwd_unoffload)(struct dsa_switch *ds, int port, + struct net_device *bridge, + int bridge_num); void (*port_stp_state_set)(struct dsa_switch *ds, int port, u8 state); void (*port_fast_age)(struct dsa_switch *ds, int port); @@ -699,8 +717,6 @@ struct dsa_switch_ops { int (*port_bridge_flags)(struct dsa_switch *ds, int port, struct switchdev_brport_flags flags, struct netlink_ext_ack *extack); - int (*port_set_mrouter)(struct dsa_switch *ds, int port, bool mrouter, - struct netlink_ext_ack *extack); /* * VLAN support @@ -869,6 +885,13 @@ struct dsa_switch_ops { const struct switchdev_obj_ring_role_mrp *mrp); int (*port_mrp_del_ring_role)(struct dsa_switch *ds, int port, const struct switchdev_obj_ring_role_mrp *mrp); + + /* + * tag_8021q operations + */ + int (*tag_8021q_vlan_add)(struct dsa_switch *ds, int port, u16 vid, + u16 flags); + int (*tag_8021q_vlan_del)(struct dsa_switch *ds, int port, u16 vid); }; #define DSA_DEVLINK_PARAM_DRIVER(_id, _name, _type, _cmodes) \ @@ -954,15 +977,6 @@ static inline bool netdev_uses_dsa(const struct net_device *dev) return false; } -static inline bool dsa_can_decode(const struct sk_buff *skb, - struct net_device *dev) -{ -#if IS_ENABLED(CONFIG_NET_DSA) - return !dev->dsa_ptr->filter || dev->dsa_ptr->filter(skb, dev); -#endif - return false; -} - /* All DSA tags that push the EtherType to the right (basically all except tail * tags, which don't break dissection) can be treated the same from the * perspective of the flow dissector. @@ -1003,8 +1017,8 @@ static inline int __dsa_netdevice_ops_check(struct net_device *dev) return 0; } -static inline int dsa_ndo_do_ioctl(struct net_device *dev, struct ifreq *ifr, - int cmd) +static inline int dsa_ndo_eth_ioctl(struct net_device *dev, struct ifreq *ifr, + int cmd) { const struct dsa_netdevice_ops *ops; int err; @@ -1015,11 +1029,11 @@ static inline int dsa_ndo_do_ioctl(struct net_device *dev, struct ifreq *ifr, ops = dev->dsa_ptr->netdev_ops; - return ops->ndo_do_ioctl(dev, ifr, cmd); + return ops->ndo_eth_ioctl(dev, ifr, cmd); } #else -static inline int dsa_ndo_do_ioctl(struct net_device *dev, struct ifreq *ifr, - int cmd) +static inline int dsa_ndo_eth_ioctl(struct net_device *dev, struct ifreq *ifr, + int cmd) { return -EOPNOTSUPP; } |