diff options
Diffstat (limited to 'drivers/net/ethernet/marvell/prestera/prestera_router_hw.h')
-rw-r--r-- | drivers/net/ethernet/marvell/prestera/prestera_router_hw.h | 76 |
1 files changed, 75 insertions, 1 deletions
diff --git a/drivers/net/ethernet/marvell/prestera/prestera_router_hw.h b/drivers/net/ethernet/marvell/prestera/prestera_router_hw.h index 67dbb49c8bd4..9ca97919c863 100644 --- a/drivers/net/ethernet/marvell/prestera/prestera_router_hw.h +++ b/drivers/net/ethernet/marvell/prestera/prestera_router_hw.h @@ -31,6 +31,63 @@ struct prestera_ip_addr { PRESTERA_IPV4 = 0, PRESTERA_IPV6 } v; +#define PRESTERA_IP_ADDR_PLEN(V) ((V) == PRESTERA_IPV4 ? 32 : \ + /* (V) == PRESTERA_IPV6 ? */ 128 /* : 0 */) +}; + +struct prestera_nh_neigh_key { + struct prestera_ip_addr addr; + /* Seems like rif is obsolete, because there is iface in info ? + * Key can contain functional fields, or fields, which is used to + * filter duplicate objects on logical level (before you pass it to + * HW)... also key can be used to cover hardware restrictions. + * In our case rif - is logical interface (even can be VLAN), which + * is used in combination with IP address (which is also not related to + * hardware nexthop) to provide logical compression of created nexthops. + * You even can imagine, that rif+IPaddr is just cookie. + */ + /* struct prestera_rif *rif; */ + /* Use just as cookie, to divide ARP domains (in order with addr) */ + void *rif; +}; + +/* Used for hw call */ +struct prestera_neigh_info { + struct prestera_iface iface; + unsigned char ha[ETH_ALEN]; + u8 connected; /* bool. indicate, if mac/oif valid */ + u8 __pad[1]; +}; + +/* Used to notify nh about neigh change */ +struct prestera_nh_neigh { + struct prestera_nh_neigh_key key; + struct prestera_neigh_info info; + struct rhash_head ht_node; /* node of prestera_vr */ + struct list_head nexthop_group_list; +}; + +#define PRESTERA_NHGR_SIZE_MAX 4 + +struct prestera_nexthop_group { + struct prestera_nexthop_group_key { + struct prestera_nh_neigh_key neigh[PRESTERA_NHGR_SIZE_MAX]; + } key; + /* Store intermediate object here. + * This prevent overhead kzalloc call. + */ + /* nh_neigh is used only to notify nexthop_group */ + struct prestera_nh_neigh_head { + struct prestera_nexthop_group *this; + struct list_head head; + /* ptr to neigh is not necessary. + * It used to prevent lookup of nh_neigh by key (n) on destroy + */ + struct prestera_nh_neigh *neigh; + } nh_neigh_head[PRESTERA_NHGR_SIZE_MAX]; + struct rhash_head ht_node; /* node of prestera_vr */ + refcount_t refcount; + u32 grp_id; /* hw */ }; struct prestera_fib_key { @@ -44,12 +101,16 @@ struct prestera_fib_info { struct list_head vr_node; enum prestera_fib_type { PRESTERA_FIB_TYPE_INVALID = 0, + /* must be pointer to nh_grp id */ + PRESTERA_FIB_TYPE_UC_NH, /* It can be connected route * and will be overlapped with neighbours */ PRESTERA_FIB_TYPE_TRAP, PRESTERA_FIB_TYPE_DROP } type; + /* Valid only if type = UC_NH*/ + struct prestera_nexthop_group *nh_grp; }; struct prestera_fib_node { @@ -67,6 +128,18 @@ struct prestera_rif_entry * prestera_rif_entry_create(struct prestera_switch *sw, struct prestera_rif_entry_key *k, u32 tb_id, const unsigned char *addr); +struct prestera_nh_neigh * +prestera_nh_neigh_find(struct prestera_switch *sw, + struct prestera_nh_neigh_key *key); +struct prestera_nh_neigh * +prestera_nh_neigh_get(struct prestera_switch *sw, + struct prestera_nh_neigh_key *key); +void prestera_nh_neigh_put(struct prestera_switch *sw, + struct prestera_nh_neigh *neigh); +int prestera_nh_neigh_set(struct prestera_switch *sw, + struct prestera_nh_neigh *neigh); +bool prestera_nh_neigh_util_hw_state(struct prestera_switch *sw, + struct prestera_nh_neigh *nh_neigh); struct prestera_fib_node *prestera_fib_node_find(struct prestera_switch *sw, struct prestera_fib_key *key); void prestera_fib_node_destroy(struct prestera_switch *sw, @@ -74,7 +147,8 @@ void prestera_fib_node_destroy(struct prestera_switch *sw, struct prestera_fib_node * prestera_fib_node_create(struct prestera_switch *sw, struct prestera_fib_key *key, - enum prestera_fib_type fib_type); + enum prestera_fib_type fib_type, + struct prestera_nexthop_group_key *nh_grp_key); int prestera_router_hw_init(struct prestera_switch *sw); void prestera_router_hw_fini(struct prestera_switch *sw); |