diff options
Diffstat (limited to 'include/net/dsa.h')
| -rw-r--r-- | include/net/dsa.h | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/include/net/dsa.h b/include/net/dsa.h index 57b3e4e7413b..ca8c14b547b4 100644 --- a/include/net/dsa.h +++ b/include/net/dsa.h @@ -278,6 +278,10 @@ struct dsa_port { u8 devlink_port_setup:1; + /* Master state bits, valid only on CPU ports */ + u8 master_admin_up:1; + u8 master_oper_up:1; + u8 setup:1; struct device_node *dn; @@ -478,6 +482,12 @@ static inline bool dsa_port_is_unused(struct dsa_port *dp) return dp->type == DSA_PORT_TYPE_UNUSED; } +static inline bool dsa_port_master_is_operational(struct dsa_port *dp) +{ + return dsa_port_is_cpu(dp) && dp->master_admin_up && + dp->master_oper_up; +} + static inline bool dsa_is_unused_port(struct dsa_switch *ds, int p) { return dsa_to_port(ds, p)->type == DSA_PORT_TYPE_UNUSED; @@ -581,6 +591,24 @@ static inline bool dsa_is_upstream_port(struct dsa_switch *ds, int port) return port == dsa_upstream_port(ds, port); } +/* Return true if this is a DSA port leading away from the CPU */ +static inline bool dsa_is_downstream_port(struct dsa_switch *ds, int port) +{ + return dsa_is_dsa_port(ds, port) && !dsa_is_upstream_port(ds, port); +} + +/* Return the local port used to reach the CPU port */ +static inline unsigned int dsa_switch_upstream_port(struct dsa_switch *ds) +{ + struct dsa_port *dp; + + dsa_switch_for_each_available_port(dp, ds) { + return dsa_upstream_port(ds, dp->index); + } + + return ds->num_ports; +} + /* Return true if @upstream_ds is an upstream switch of @downstream_ds, meaning * that the routing port from @downstream_ds to @upstream_ds is also the port * which @downstream_ds uses to reach its dedicated CPU. @@ -1036,6 +1064,13 @@ struct dsa_switch_ops { 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); + + /* + * DSA master tracking operations + */ + void (*master_state_change)(struct dsa_switch *ds, + const struct net_device *master, + bool operational); }; #define DSA_DEVLINK_PARAM_DRIVER(_id, _name, _type, _cmodes) \ |