diff options
Diffstat (limited to 'drivers/net/ethernet/mscc/ocelot.h')
| -rw-r--r-- | drivers/net/ethernet/mscc/ocelot.h | 31 |
1 files changed, 23 insertions, 8 deletions
diff --git a/drivers/net/ethernet/mscc/ocelot.h b/drivers/net/ethernet/mscc/ocelot.h index abb407dff93c..291d39d49c4e 100644 --- a/drivers/net/ethernet/mscc/ocelot.h +++ b/drivers/net/ethernet/mscc/ocelot.h @@ -41,14 +41,6 @@ struct frame_info { u32 timestamp; /* rew_val */ }; -struct ocelot_multicast { - struct list_head list; - unsigned char addr[ETH_ALEN]; - u16 vid; - u16 ports; - int pgid; -}; - struct ocelot_port_tc { bool block_shared; unsigned long offload_cnt; @@ -87,6 +79,29 @@ enum macaccess_entry_type { ENTRYTYPE_MACv6, }; +/* A (PGID) port mask structure, encoding the 2^ocelot->num_phys_ports + * possibilities of egress port masks for L2 multicast traffic. + * For a switch with 9 user ports, there are 512 possible port masks, but the + * hardware only has 46 individual PGIDs that it can forward multicast traffic + * to. So we need a structure that maps the limited PGID indices to the port + * destinations requested by the user for L2 multicast. + */ +struct ocelot_pgid { + unsigned long ports; + int index; + refcount_t refcount; + struct list_head list; +}; + +struct ocelot_multicast { + struct list_head list; + enum macaccess_entry_type entry_type; + unsigned char addr[ETH_ALEN]; + u16 vid; + u16 ports; + struct ocelot_pgid *pgid; +}; + int ocelot_port_fdb_do_dump(const unsigned char *addr, u16 vid, bool is_static, void *data); int ocelot_mact_learn(struct ocelot *ocelot, int port, |