diff options
Diffstat (limited to 'net/batman-adv/types.h')
| -rw-r--r-- | net/batman-adv/types.h | 74 |
1 files changed, 48 insertions, 26 deletions
diff --git a/net/batman-adv/types.h b/net/batman-adv/types.h index 0f6884504a9e..8435d7c83a14 100644 --- a/net/batman-adv/types.h +++ b/net/batman-adv/types.h @@ -289,47 +289,62 @@ struct batadv_gw_node { }; /** - * struct batadv_neigh_bat_iv - B.A.T.M.A.N. IV specific structure for single - * hop neighbors + * struct batadv_neigh_node - structure for single hops neighbors + * @list: list node for batadv_orig_node::neigh_list + * @orig_node: pointer to corresponding orig_node + * @addr: the MAC address of the neighboring interface + * @ifinfo_list: list for routing metrics per outgoing interface + * @ifinfo_lock: lock protecting private ifinfo members and list + * @if_incoming: pointer to incoming hard interface + * @last_seen: when last packet via this neighbor was received + * @last_ttl: last received ttl from this neigh node + * @rcu: struct used for freeing in an RCU-safe manner + * @bat_iv: B.A.T.M.A.N. IV private structure + */ +struct batadv_neigh_node { + struct hlist_node list; + struct batadv_orig_node *orig_node; + uint8_t addr[ETH_ALEN]; + struct hlist_head ifinfo_list; + spinlock_t ifinfo_lock; /* protects ifinfo_list and its members */ + struct batadv_hard_iface *if_incoming; + unsigned long last_seen; + atomic_t refcount; + struct rcu_head rcu; +}; + +/* struct batadv_neigh_node_bat_iv - neighbor information per outgoing + * interface for BATMAN IV * @tq_recv: ring buffer of received TQ values from this neigh node * @tq_index: ring buffer index * @tq_avg: averaged tq of all tq values in the ring buffer (tq_recv) * @real_bits: bitfield containing the number of OGMs received from this neigh * node (relative to orig_node->last_real_seqno) * @real_packet_count: counted result of real_bits - * @lq_update_lock: lock protecting tq_recv & tq_index */ -struct batadv_neigh_bat_iv { +struct batadv_neigh_ifinfo_bat_iv { uint8_t tq_recv[BATADV_TQ_GLOBAL_WINDOW_SIZE]; uint8_t tq_index; uint8_t tq_avg; DECLARE_BITMAP(real_bits, BATADV_TQ_LOCAL_WINDOW_SIZE); uint8_t real_packet_count; - spinlock_t lq_update_lock; /* protects tq_recv & tq_index */ }; -/** - * struct batadv_neigh_node - structure for single hops neighbors - * @list: list node for batadv_orig_node::neigh_list - * @orig_node: pointer to corresponding orig_node - * @addr: the MAC address of the neighboring interface - * @if_incoming: pointer to incoming hard interface - * @last_seen: when last packet via this neighbor was received +/* struct batadv_neigh_ifinfo - neighbor information per outgoing interface + * @list: list node for batadv_neigh_node::ifinfo_list + * @if_outgoing: pointer to outgoing hard interface + * @bat_iv: B.A.T.M.A.N. IV private structure * @last_ttl: last received ttl from this neigh node * @refcount: number of contexts the object is used - * @rcu: struct used for freeing in an RCU-safe manner - * @bat_iv: B.A.T.M.A.N. IV private structure + * @rcu: struct used for freeing in a RCU-safe manner */ -struct batadv_neigh_node { +struct batadv_neigh_ifinfo { struct hlist_node list; - struct batadv_orig_node *orig_node; - uint8_t addr[ETH_ALEN]; - struct batadv_hard_iface *if_incoming; - unsigned long last_seen; + struct batadv_hard_iface *if_outgoing; + struct batadv_neigh_ifinfo_bat_iv bat_iv; uint8_t last_ttl; atomic_t refcount; struct rcu_head rcu; - struct batadv_neigh_bat_iv bat_iv; }; /** @@ -1013,9 +1028,11 @@ struct batadv_forw_packet { * @bat_primary_iface_set: called when primary interface is selected / changed * @bat_ogm_schedule: prepare a new outgoing OGM for the send queue * @bat_ogm_emit: send scheduled OGM - * @bat_neigh_cmp: compare the metrics of two neighbors - * @bat_neigh_is_equiv_or_better: check if neigh1 is equally good or - * better than neigh2 from the metric prospective + * @bat_neigh_cmp: compare the metrics of two neighbors for their respective + * outgoing interfaces + * @bat_neigh_is_equiv_or_better: check if neigh1 is equally good or better + * than neigh2 for their respective outgoing interface from the metric + * prospective * @bat_orig_print: print the originator table (optional) * @bat_orig_free: free the resources allocated by the routing algorithm for an * orig_node object @@ -1034,9 +1051,14 @@ struct batadv_algo_ops { void (*bat_ogm_schedule)(struct batadv_hard_iface *hard_iface); void (*bat_ogm_emit)(struct batadv_forw_packet *forw_packet); int (*bat_neigh_cmp)(struct batadv_neigh_node *neigh1, - struct batadv_neigh_node *neigh2); - bool (*bat_neigh_is_equiv_or_better)(struct batadv_neigh_node *neigh1, - struct batadv_neigh_node *neigh2); + struct batadv_hard_iface *if_outgoing1, + struct batadv_neigh_node *neigh2, + struct batadv_hard_iface *if_outgoing2); + bool (*bat_neigh_is_equiv_or_better) + (struct batadv_neigh_node *neigh1, + struct batadv_hard_iface *if_outgoing1, + struct batadv_neigh_node *neigh2, + struct batadv_hard_iface *if_outgoing2); /* orig_node handling API */ void (*bat_orig_print)(struct batadv_priv *priv, struct seq_file *seq); void (*bat_orig_free)(struct batadv_orig_node *orig_node); |