diff options
Diffstat (limited to 'net/batman-adv/types.h')
| -rw-r--r-- | net/batman-adv/types.h | 66 |
1 files changed, 48 insertions, 18 deletions
diff --git a/net/batman-adv/types.h b/net/batman-adv/types.h index d260efd70499..3437b667a2cd 100644 --- a/net/batman-adv/types.h +++ b/net/batman-adv/types.h @@ -100,6 +100,8 @@ struct batadv_hard_iface_bat_iv { * @bat_iv: BATMAN IV specific per hard interface data * @cleanup_work: work queue callback item for hard interface deinit * @debug_dir: dentry for nc subdir in batman-adv directory in debugfs + * @neigh_list: list of unique single hop neighbors via this interface + * @neigh_list_lock: lock protecting neigh_list */ struct batadv_hard_iface { struct list_head list; @@ -115,6 +117,9 @@ struct batadv_hard_iface { struct batadv_hard_iface_bat_iv bat_iv; struct work_struct cleanup_work; struct dentry *debug_dir; + struct hlist_head neigh_list; + /* neigh_list_lock protects: neigh_list */ + spinlock_t neigh_list_lock; }; /** @@ -218,12 +223,12 @@ struct batadv_orig_bat_iv { * @orig: originator ethernet address * @ifinfo_list: list for routers per outgoing interface * @last_bonding_candidate: pointer to last ifinfo of last used router - * @batadv_dat_addr_t: address of the orig node in the distributed hash + * @dat_addr: address of the orig node in the distributed hash * @last_seen: time when last packet from this node was received * @bcast_seqno_reset: time when the broadcast seqno window was reset * @mcast_handler_lock: synchronizes mcast-capability and -flag changes * @mcast_flags: multicast flags announced by the orig node - * @mcast_want_all_unsnoop_node: a list node for the + * @mcast_want_all_unsnoopables_node: a list node for the * mcast.want_all_unsnoopables list * @mcast_want_all_ipv4_node: a list node for the mcast.want_all_ipv4 list * @mcast_want_all_ipv6_node: a list node for the mcast.want_all_ipv6 list @@ -341,6 +346,23 @@ struct batadv_gw_node { }; /** + * batadv_hardif_neigh_node - unique neighbor per hard interface + * @list: list node for batadv_hard_iface::neigh_list + * @addr: the MAC address of the neighboring interface + * @if_incoming: pointer to incoming hard interface + * @refcount: number of contexts the object is used + * @rcu: struct used for freeing in a RCU-safe manner + */ +struct batadv_hardif_neigh_node { + struct hlist_node list; + u8 addr[ETH_ALEN]; + struct batadv_hard_iface *if_incoming; + unsigned long last_seen; + atomic_t refcount; + struct rcu_head rcu; +}; + +/** * 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 @@ -349,9 +371,8 @@ struct batadv_gw_node { * @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 + * @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 */ struct batadv_neigh_node { struct hlist_node list; @@ -401,13 +422,14 @@ struct batadv_neigh_ifinfo { struct rcu_head rcu; }; +#ifdef CONFIG_BATMAN_ADV_BLA + /** * struct batadv_bcast_duplist_entry - structure for LAN broadcast suppression - * @orig[ETH_ALEN]: mac address of orig node orginating the broadcast + * @orig: mac address of orig node orginating the broadcast * @crc: crc32 checksum of broadcast payload * @entrytime: time when the broadcast packet was received */ -#ifdef CONFIG_BATMAN_ADV_BLA struct batadv_bcast_duplist_entry { u8 orig[ETH_ALEN]; __be32 crc; @@ -549,9 +571,11 @@ struct batadv_priv_tt { struct delayed_work work; }; +#ifdef CONFIG_BATMAN_ADV_BLA + /** * struct batadv_priv_bla - per mesh interface bridge loope avoidance data - * @num_requests; number of bla requests in flight + * @num_requests: number of bla requests in flight * @claim_hash: hash table containing mesh nodes this host has claimed * @backbone_hash: hash table containing all detected backbone gateways * @bcast_duplist: recently received broadcast packets array (for broadcast @@ -561,7 +585,6 @@ struct batadv_priv_tt { * @claim_dest: local claim data (e.g. claim group) * @work: work queue callback item for cleanups & bla announcements */ -#ifdef CONFIG_BATMAN_ADV_BLA struct batadv_priv_bla { atomic_t num_requests; struct batadv_hashtable *claim_hash; @@ -575,6 +598,8 @@ struct batadv_priv_bla { }; #endif +#ifdef CONFIG_BATMAN_ADV_DEBUG + /** * struct batadv_priv_debug_log - debug logging data * @log_buff: buffer holding the logs (ring bufer) @@ -583,7 +608,6 @@ struct batadv_priv_bla { * @lock: lock protecting log_buff, log_start & log_end * @queue_wait: log reader's wait queue */ -#ifdef CONFIG_BATMAN_ADV_DEBUG struct batadv_priv_debug_log { char log_buff[BATADV_LOG_BUF_LEN]; unsigned long log_start; @@ -625,13 +649,14 @@ struct batadv_priv_tvlv { spinlock_t handler_list_lock; /* protects handler_list */ }; +#ifdef CONFIG_BATMAN_ADV_DAT + /** * struct batadv_priv_dat - per mesh interface DAT private data * @addr: node DAT address * @hash: hashtable representing the local ARP cache * @work: work queue callback item for cache purging */ -#ifdef CONFIG_BATMAN_ADV_DAT struct batadv_priv_dat { batadv_dat_addr_t addr; struct batadv_hashtable *hash; @@ -773,7 +798,7 @@ struct batadv_softif_vlan { * @dat: distributed arp table data * @mcast: multicast data * @network_coding: bool indicating whether network coding is enabled - * @batadv_priv_nc: network coding data + * @nc: network coding data */ struct batadv_priv { atomic_t mesh_state; @@ -871,6 +896,8 @@ struct batadv_socket_packet { u8 icmp_packet[BATADV_ICMP_MAX_PACKET_SIZE]; }; +#ifdef CONFIG_BATMAN_ADV_BLA + /** * struct batadv_bla_backbone_gw - batman-adv gateway bridged into the LAN * @orig: originator address of backbone node (mac address of primary iface) @@ -884,10 +911,10 @@ struct batadv_socket_packet { * backbone gateway - no bcast traffic is formwared until the situation was * resolved * @crc: crc16 checksum over all claims + * @crc_lock: lock protecting crc * @refcount: number of contexts the object is used * @rcu: struct used for freeing in an RCU-safe manner */ -#ifdef CONFIG_BATMAN_ADV_BLA struct batadv_bla_backbone_gw { u8 orig[ETH_ALEN]; unsigned short vid; @@ -897,6 +924,7 @@ struct batadv_bla_backbone_gw { atomic_t wait_periods; atomic_t request_sent; u16 crc; + spinlock_t crc_lock; /* protects crc */ atomic_t refcount; struct rcu_head rcu; }; @@ -905,7 +933,7 @@ struct batadv_bla_backbone_gw { * struct batadv_bla_claim - claimed non-mesh client structure * @addr: mac address of claimed non-mesh client * @vid: vlan id this client was detected on - * @batadv_bla_backbone_gw: pointer to backbone gw claiming this client + * @backbone_gw: pointer to backbone gw claiming this client * @lasttime: last time we heard of claim (locals only) * @hash_entry: hlist node for batadv_priv_bla::claim_hash * @refcount: number of contexts the object is used @@ -1131,11 +1159,13 @@ 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_hardif_neigh_init: called on creation of single hop entry * @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 + * @bat_neigh_is_similar_or_better: check if neigh1 is equally similar or + * better than neigh2 for their respective outgoing interface from the metric * prospective + * @bat_neigh_print: print the single hop neighbor list (optional) * @bat_neigh_free: free the resources allocated by the routing algorithm for a * neigh_node object * @bat_orig_print: print the originator table (optional) @@ -1156,15 +1186,17 @@ struct batadv_algo_ops { void (*bat_ogm_schedule)(struct batadv_hard_iface *hard_iface); void (*bat_ogm_emit)(struct batadv_forw_packet *forw_packet); /* neigh_node handling API */ + void (*bat_hardif_neigh_init)(struct batadv_hardif_neigh_node *neigh); int (*bat_neigh_cmp)(struct batadv_neigh_node *neigh1, struct batadv_hard_iface *if_outgoing1, struct batadv_neigh_node *neigh2, struct batadv_hard_iface *if_outgoing2); - bool (*bat_neigh_is_equiv_or_better) + bool (*bat_neigh_is_similar_or_better) (struct batadv_neigh_node *neigh1, struct batadv_hard_iface *if_outgoing1, struct batadv_neigh_node *neigh2, struct batadv_hard_iface *if_outgoing2); + void (*bat_neigh_print)(struct batadv_priv *priv, struct seq_file *seq); void (*bat_neigh_free)(struct batadv_neigh_node *neigh); /* orig_node handling API */ void (*bat_orig_print)(struct batadv_priv *priv, struct seq_file *seq, @@ -1224,8 +1256,6 @@ struct batadv_dat_candidate { * struct batadv_tvlv_container - container for tvlv appended to OGMs * @list: hlist node for batadv_priv_tvlv::container_list * @tvlv_hdr: tvlv header information needed to construct the tvlv - * @value_len: length of the buffer following this struct which contains - * the actual tvlv payload * @refcount: number of contexts the object is used */ struct batadv_tvlv_container { |