[mirror_ubuntu-artful-kernel.git] / net / batman-adv / types.h

/*
 * Copyright (C) 2007-2012 B.A.T.M.A.N. contributors:
 *
 * Marek Lindner, Simon Wunderlich
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of version 2 of the GNU General Public
 * License as published by the Free Software Foundation.
 *
 * This program is distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
 * General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
 * 02110-1301, USA
 *
 */


#ifndef _NET_BATMAN_ADV_TYPES_H_
#define _NET_BATMAN_ADV_TYPES_H_

#include "packet.h"
#include "bitarray.h"

#define BAT_HEADER_LEN (ETH_HLEN + \
	((sizeof(struct unicast_packet) > sizeof(struct bcast_packet) ? \
	 sizeof(struct unicast_packet) : \
	 sizeof(struct bcast_packet))))


struct hard_iface {
	struct list_head list;
	int16_t if_num;
	char if_status;
	struct net_device *net_dev;
	atomic_t seqno;
	atomic_t frag_seqno;
	unsigned char *packet_buff;
	int packet_len;
	struct kobject *hardif_obj;
	atomic_t refcount;
	struct packet_type batman_adv_ptype;
	struct net_device *soft_iface;
	struct rcu_head rcu;
};

/**
 *	orig_node - structure for orig_list maintaining nodes of mesh
 *	@primary_addr: hosts primary interface address
 *	@last_seen: when last packet from this node was received
 *	@bcast_seqno_reset: time when the broadcast seqno window was reset
 *	@batman_seqno_reset: time when the batman seqno window was reset
 *	@gw_flags: flags related to gateway class
 *	@flags: for now only VIS_SERVER flag
 *	@last_real_seqno: last and best known sequence number
 *	@last_ttl: ttl of last received packet
 *	@last_bcast_seqno: last broadcast sequence number received by this host
 *
 *	@candidates: how many candidates are available
 *	@selected: next bonding candidate
 */
struct orig_node {
	uint8_t orig[ETH_ALEN];
	uint8_t primary_addr[ETH_ALEN];
	struct neigh_node __rcu *router; /* rcu protected pointer */
	unsigned long *bcast_own;
	uint8_t *bcast_own_sum;
	unsigned long last_seen;
	unsigned long bcast_seqno_reset;
	unsigned long batman_seqno_reset;
	uint8_t gw_flags;
	uint8_t flags;
	atomic_t last_ttvn; /* last seen translation table version number */
	uint16_t tt_crc;
	unsigned char *tt_buff;
	int16_t tt_buff_len;
	spinlock_t tt_buff_lock; /* protects tt_buff */
	atomic_t tt_size;
	bool tt_initialised;
	/* The tt_poss_change flag is used to detect an ongoing roaming phase.
	 * If true, then I sent a Roaming_adv to this orig_node and I have to
	 * inspect every packet directed to it to check whether it is still
	 * the true destination or not. This flag will be reset to false as
	 * soon as I receive a new TTVN from this orig_node */
	bool tt_poss_change;
	uint32_t last_real_seqno;
	uint8_t last_ttl;
	DECLARE_BITMAP(bcast_bits, TQ_LOCAL_WINDOW_SIZE);
	uint32_t last_bcast_seqno;
	struct hlist_head neigh_list;
	struct list_head frag_list;
	spinlock_t neigh_list_lock; /* protects neigh_list and router */
	atomic_t refcount;
	struct rcu_head rcu;
	struct hlist_node hash_entry;
	struct bat_priv *bat_priv;
	unsigned long last_frag_packet;
	/* ogm_cnt_lock protects: bcast_own, bcast_own_sum,
	 * neigh_node->real_bits, neigh_node->real_packet_count */
	spinlock_t ogm_cnt_lock;
	/* bcast_seqno_lock protects bcast_bits, last_bcast_seqno */
	spinlock_t bcast_seqno_lock;
	spinlock_t tt_list_lock; /* protects tt_list */
	atomic_t bond_candidates;
	struct list_head bond_list;
};

struct gw_node {
	struct hlist_node list;
	struct orig_node *orig_node;
	unsigned long deleted;
	atomic_t refcount;
	struct rcu_head rcu;
};

/**
 *	neigh_node
 *	@last_seen: when last packet via this neighbor was received
 */
struct neigh_node {
	struct hlist_node list;
	uint8_t addr[ETH_ALEN];
	uint8_t real_packet_count;
	uint8_t tq_recv[TQ_GLOBAL_WINDOW_SIZE];
	uint8_t tq_index;
	uint8_t tq_avg;
	uint8_t last_ttl;
	struct list_head bonding_list;
	unsigned long last_seen;
	DECLARE_BITMAP(real_bits, TQ_LOCAL_WINDOW_SIZE);
	atomic_t refcount;
	struct rcu_head rcu;
	struct orig_node *orig_node;
	struct hard_iface *if_incoming;
	spinlock_t lq_update_lock;	/* protects: tq_recv, tq_index */
};

#ifdef CONFIG_BATMAN_ADV_BLA
struct bcast_duplist_entry {
	uint8_t orig[ETH_ALEN];
	uint16_t crc;
	unsigned long entrytime;
};
#endif

struct bat_priv {
	atomic_t mesh_state;
	struct net_device_stats stats;
	atomic_t aggregated_ogms;	/* boolean */
	atomic_t bonding;		/* boolean */
	atomic_t fragmentation;		/* boolean */
	atomic_t ap_isolation;		/* boolean */
	atomic_t bridge_loop_avoidance;	/* boolean */
	atomic_t vis_mode;		/* VIS_TYPE_* */
	atomic_t gw_mode;		/* GW_MODE_* */
	atomic_t gw_sel_class;		/* uint */
	atomic_t gw_bandwidth;		/* gw bandwidth */
	atomic_t orig_interval;		/* uint */
	atomic_t hop_penalty;		/* uint */
	atomic_t log_level;		/* uint */
	atomic_t bcast_seqno;
	atomic_t bcast_queue_left;
	atomic_t batman_queue_left;
	atomic_t ttvn; /* translation table version number */
	atomic_t tt_ogm_append_cnt;
	atomic_t tt_local_changes; /* changes registered in a OGM interval */
	atomic_t bla_num_requests; /* number of bla requests in flight */
	/* The tt_poss_change flag is used to detect an ongoing roaming phase.
	 * If true, then I received a Roaming_adv and I have to inspect every
	 * packet directed to me to check whether I am still the true
	 * destination or not. This flag will be reset to false as soon as I
	 * increase my TTVN */
	bool tt_poss_change;
	char num_ifaces;
	struct debug_log *debug_log;
	struct kobject *mesh_obj;
	struct dentry *debug_dir;
	struct hlist_head forw_bat_list;
	struct hlist_head forw_bcast_list;
	struct hlist_head gw_list;
	struct list_head tt_changes_list; /* tracks changes in a OGM int */
	struct list_head vis_send_list;
	struct hashtable_t *orig_hash;
	struct hashtable_t *tt_local_hash;
	struct hashtable_t *tt_global_hash;
#ifdef CONFIG_BATMAN_ADV_BLA
	struct hashtable_t *claim_hash;
	struct hashtable_t *backbone_hash;
#endif
	struct list_head tt_req_list; /* list of pending tt_requests */
	struct list_head tt_roam_list;
	struct hashtable_t *vis_hash;
#ifdef CONFIG_BATMAN_ADV_BLA
	struct bcast_duplist_entry bcast_duplist[DUPLIST_SIZE];
	int bcast_duplist_curr;
	struct bla_claim_dst claim_dest;
#endif
	spinlock_t forw_bat_list_lock; /* protects forw_bat_list */
	spinlock_t forw_bcast_list_lock; /* protects  */
	spinlock_t tt_changes_list_lock; /* protects tt_changes */
	spinlock_t tt_req_list_lock; /* protects tt_req_list */
	spinlock_t tt_roam_list_lock; /* protects tt_roam_list */
	spinlock_t gw_list_lock; /* protects gw_list and curr_gw */
	spinlock_t vis_hash_lock; /* protects vis_hash */
	spinlock_t vis_list_lock; /* protects vis_info::recv_list */
	atomic_t num_local_tt;
	/* Checksum of the local table, recomputed before sending a new OGM */
	atomic_t tt_crc;
	unsigned char *tt_buff;
	int16_t tt_buff_len;
	spinlock_t tt_buff_lock; /* protects tt_buff */
	struct delayed_work tt_work;
	struct delayed_work orig_work;
	struct delayed_work vis_work;
	struct delayed_work bla_work;
	struct gw_node __rcu *curr_gw;  /* rcu protected pointer */
	atomic_t gw_reselect;
	struct hard_iface __rcu *primary_if;  /* rcu protected pointer */
	struct vis_info *my_vis_info;
	struct bat_algo_ops *bat_algo_ops;
};

struct socket_client {
	struct list_head queue_list;
	unsigned int queue_len;
	unsigned char index;
	spinlock_t lock; /* protects queue_list, queue_len, index */
	wait_queue_head_t queue_wait;
	struct bat_priv *bat_priv;
};

struct socket_packet {
	struct list_head list;
	size_t icmp_len;
	struct icmp_packet_rr icmp_packet;
};

struct tt_common_entry {
	uint8_t addr[ETH_ALEN];
	struct hlist_node hash_entry;
	uint16_t flags;
	atomic_t refcount;
	struct rcu_head rcu;
};

struct tt_local_entry {
	struct tt_common_entry common;
	unsigned long last_seen;
};

struct tt_global_entry {
	struct tt_common_entry common;
	struct hlist_head orig_list;
	spinlock_t list_lock;	/* protects the list */
	unsigned long roam_at; /* time at which TT_GLOBAL_ROAM was set */
};

struct tt_orig_list_entry {
	struct orig_node *orig_node;
	uint8_t ttvn;
	struct rcu_head rcu;
	struct hlist_node list;
};

#ifdef CONFIG_BATMAN_ADV_BLA
struct backbone_gw {
	uint8_t orig[ETH_ALEN];
	short vid;		/* used VLAN ID */
	struct hlist_node hash_entry;
	struct bat_priv *bat_priv;
	unsigned long lasttime;	/* last time we heard of this backbone gw */
	atomic_t request_sent;
	atomic_t refcount;
	struct rcu_head rcu;
	uint16_t crc;		/* crc checksum over all claims */
};

struct claim {
	uint8_t addr[ETH_ALEN];
	short vid;
	struct backbone_gw *backbone_gw;
	unsigned long lasttime;	/* last time we heard of claim (locals only) */
	struct rcu_head rcu;
	atomic_t refcount;
	struct hlist_node hash_entry;
};
#endif

struct tt_change_node {
	struct list_head list;
	struct tt_change change;
};

struct tt_req_node {
	uint8_t addr[ETH_ALEN];
	unsigned long issued_at;
	struct list_head list;
};

struct tt_roam_node {
	uint8_t addr[ETH_ALEN];
	atomic_t counter;
	unsigned long first_time;
	struct list_head list;
};

/**
 *	forw_packet - structure for forw_list maintaining packets to be
 *	              send/forwarded
 */
struct forw_packet {
	struct hlist_node list;
	unsigned long send_time;
	uint8_t own;
	struct sk_buff *skb;
	uint16_t packet_len;
	uint32_t direct_link_flags;
	uint8_t num_packets;
	struct delayed_work delayed_work;
	struct hard_iface *if_incoming;
};

/* While scanning for vis-entries of a particular vis-originator
 * this list collects its interfaces to create a subgraph/cluster
 * out of them later
 */
struct if_list_entry {
	uint8_t addr[ETH_ALEN];
	bool primary;
	struct hlist_node list;
};

struct debug_log {
	char log_buff[LOG_BUF_LEN];
	unsigned long log_start;
	unsigned long log_end;
	spinlock_t lock; /* protects log_buff, log_start and log_end */
	wait_queue_head_t queue_wait;
};

struct frag_packet_list_entry {
	struct list_head list;
	uint16_t seqno;
	struct sk_buff *skb;
};

struct vis_info {
	unsigned long first_seen;
	/* list of server-neighbors we received a vis-packet
	 * from.  we should not reply to them. */
	struct list_head recv_list;
	struct list_head send_list;
	struct kref refcount;
	struct hlist_node hash_entry;
	struct bat_priv *bat_priv;
	/* this packet might be part of the vis send queue. */
	struct sk_buff *skb_packet;
	/* vis_info may follow here*/
} __packed;

struct vis_info_entry {
	uint8_t  src[ETH_ALEN];
	uint8_t  dest[ETH_ALEN];
	uint8_t  quality;	/* quality = 0 client */
} __packed;

struct recvlist_node {
	struct list_head list;
	uint8_t mac[ETH_ALEN];
};

struct bat_algo_ops {
	struct hlist_node list;
	char *name;
	/* init routing info when hard-interface is enabled */
	int (*bat_iface_enable)(struct hard_iface *hard_iface);
	/* de-init routing info when hard-interface is disabled */
	void (*bat_iface_disable)(struct hard_iface *hard_iface);
	/* (re-)init mac addresses of the protocol information
	 * belonging to this hard-interface
	 */
	void (*bat_iface_update_mac)(struct hard_iface *hard_iface);
	/* called when primary interface is selected / changed */
	void (*bat_primary_iface_set)(struct hard_iface *hard_iface);
	/* prepare a new outgoing OGM for the send queue */
	void (*bat_ogm_schedule)(struct hard_iface *hard_iface,
				 int tt_num_changes);
	/* send scheduled OGM */
	void (*bat_ogm_emit)(struct forw_packet *forw_packet);
};

#endif /* _NET_BATMAN_ADV_TYPES_H_ */
Commit	Line	Data
c6c8fea2	1	/*
567db7b0	2	* Copyright (C) 2007-2012 B.A.T.M.A.N. contributors:
c6c8fea2 SE	3	*
	4	* Marek Lindner, Simon Wunderlich
	5	*
	6	* This program is free software; you can redistribute it and/or
	7	* modify it under the terms of version 2 of the GNU General Public
	8	* License as published by the Free Software Foundation.
	9	*
	10	* This program is distributed in the hope that it will be useful, but
	11	* WITHOUT ANY WARRANTY; without even the implied warranty of
	12	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
	13	* General Public License for more details.
	14	*
	15	* You should have received a copy of the GNU General Public License
	16	* along with this program; if not, write to the Free Software
	17	* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
	18	* 02110-1301, USA
	19	*
	20	*/
	21
	22
	23
	24	#ifndef _NET_BATMAN_ADV_TYPES_H_
	25	#define _NET_BATMAN_ADV_TYPES_H_
	26
	27	#include "packet.h"
	28	#include "bitarray.h"
	29
0d125074	30	#define BAT_HEADER_LEN (ETH_HLEN + \
c6c8fea2 SE	31	((sizeof(struct unicast_packet) > sizeof(struct bcast_packet) ? \
	32	sizeof(struct unicast_packet) : \
	33	sizeof(struct bcast_packet))))
	34
	35
e6c10f43	36	struct hard_iface {
c6c8fea2 SE	37	struct list_head list;
	38	int16_t if_num;
	39	char if_status;
	40	struct net_device *net_dev;
	41	atomic_t seqno;
	42	atomic_t frag_seqno;
	43	unsigned char *packet_buff;
	44	int packet_len;
	45	struct kobject *hardif_obj;
ed75ccbe	46	atomic_t refcount;
c6c8fea2 SE	47	struct packet_type batman_adv_ptype;
	48	struct net_device *soft_iface;
	49	struct rcu_head rcu;
	50	};
	51
	52	/**
	53	* orig_node - structure for orig_list maintaining nodes of mesh
	54	* @primary_addr: hosts primary interface address
d7b2a97e	55	* @last_seen: when last packet from this node was received
c6c8fea2 SE	56	* @bcast_seqno_reset: time when the broadcast seqno window was reset
	57	* @batman_seqno_reset: time when the batman seqno window was reset
	58	* @gw_flags: flags related to gateway class
	59	* @flags: for now only VIS_SERVER flag
015758d0	60	* @last_real_seqno: last and best known sequence number
c6c8fea2 SE	61	* @last_ttl: ttl of last received packet
	62	* @last_bcast_seqno: last broadcast sequence number received by this host
	63	*
	64	* @candidates: how many candidates are available
	65	* @selected: next bonding candidate
	66	*/
	67	struct orig_node {
	68	uint8_t orig[ETH_ALEN];
	69	uint8_t primary_addr[ETH_ALEN];
e1a5382f	70	struct neigh_node __rcu router; / rcu protected pointer */
c6c8fea2 SE	71	unsigned long *bcast_own;
c6c8fea2 SE	72	uint8_t *bcast_own_sum;
d7b2a97e	73	unsigned long last_seen;
c6c8fea2 SE	74	unsigned long bcast_seqno_reset;
	75	unsigned long batman_seqno_reset;
	76	uint8_t gw_flags;
	77	uint8_t flags;
a73105b8 AQ	78	atomic_t last_ttvn; /* last seen translation table version number */
a73105b8 AQ	79	uint16_t tt_crc;
2dafb49d AQ	80	unsigned char *tt_buff;
2dafb49d AQ	81	int16_t tt_buff_len;
a73105b8 AQ	82	spinlock_t tt_buff_lock; /* protects tt_buff */
a73105b8 AQ	83	atomic_t tt_size;
17071578	84	bool tt_initialised;
cc47f66e AQ	85	/* The tt_poss_change flag is used to detect an ongoing roaming phase.
	86	* If true, then I sent a Roaming_adv to this orig_node and I have to
	87	* inspect every packet directed to it to check whether it is still
	88	* the true destination or not. This flag will be reset to false as
	89	* soon as I receive a new TTVN from this orig_node */
	90	bool tt_poss_change;
c6c8fea2 SE	91	uint32_t last_real_seqno;
c6c8fea2 SE	92	uint8_t last_ttl;
0079d2ce	93	DECLARE_BITMAP(bcast_bits, TQ_LOCAL_WINDOW_SIZE);
c6c8fea2	94	uint32_t last_bcast_seqno;
9591a79f	95	struct hlist_head neigh_list;
c6c8fea2	96	struct list_head frag_list;
e1a5382f	97	spinlock_t neigh_list_lock; /* protects neigh_list and router */
7b36e8ee ML	98	atomic_t refcount;
7b36e8ee ML	99	struct rcu_head rcu;
7aadf889	100	struct hlist_node hash_entry;
16b1aba8	101	struct bat_priv *bat_priv;
c6c8fea2	102	unsigned long last_frag_packet;
6e215fd8 SE	103	/* ogm_cnt_lock protects: bcast_own, bcast_own_sum,
	104	* neigh_node->real_bits, neigh_node->real_packet_count */
	105	spinlock_t ogm_cnt_lock;
	106	/* bcast_seqno_lock protects bcast_bits, last_bcast_seqno */
	107	spinlock_t bcast_seqno_lock;
a73105b8	108	spinlock_t tt_list_lock; /* protects tt_list */
a4c135c5 SW	109	atomic_t bond_candidates;
a4c135c5 SW	110	struct list_head bond_list;
c6c8fea2 SE	111	};
	112
	113	struct gw_node {
	114	struct hlist_node list;
	115	struct orig_node *orig_node;
	116	unsigned long deleted;
25b6d3c1	117	atomic_t refcount;
c6c8fea2 SE	118	struct rcu_head rcu;
	119	};
	120
	121	/**
	122	* neigh_node
d7b2a97e	123	* @last_seen: when last packet via this neighbor was received
c6c8fea2 SE	124	*/
c6c8fea2 SE	125	struct neigh_node {
9591a79f	126	struct hlist_node list;
c6c8fea2 SE	127	uint8_t addr[ETH_ALEN];
	128	uint8_t real_packet_count;
	129	uint8_t tq_recv[TQ_GLOBAL_WINDOW_SIZE];
	130	uint8_t tq_index;
	131	uint8_t tq_avg;
	132	uint8_t last_ttl;
a4c135c5	133	struct list_head bonding_list;
d7b2a97e	134	unsigned long last_seen;
0079d2ce	135	DECLARE_BITMAP(real_bits, TQ_LOCAL_WINDOW_SIZE);
44524fcd	136	atomic_t refcount;
f987ed6e	137	struct rcu_head rcu;
c6c8fea2	138	struct orig_node *orig_node;
e6c10f43	139	struct hard_iface *if_incoming;
e3b0d0de	140	spinlock_t lq_update_lock; /* protects: tq_recv, tq_index */
c6c8fea2 SE	141	};
c6c8fea2 SE	142
7a5cc242	143	#ifdef CONFIG_BATMAN_ADV_BLA
fe2da6ff SW	144	struct bcast_duplist_entry {
	145	uint8_t orig[ETH_ALEN];
	146	uint16_t crc;
	147	unsigned long entrytime;
	148	};
7a5cc242	149	#endif
c6c8fea2 SE	150
	151	struct bat_priv {
	152	atomic_t mesh_state;
	153	struct net_device_stats stats;
	154	atomic_t aggregated_ogms; /* boolean */
	155	atomic_t bonding; /* boolean */
	156	atomic_t fragmentation; /* boolean */
59b699cd	157	atomic_t ap_isolation; /* boolean */
23721387	158	atomic_t bridge_loop_avoidance; /* boolean */
c6c8fea2 SE	159	atomic_t vis_mode; /* VIS_TYPE_* */
	160	atomic_t gw_mode; /* GW_MODE_* */
	161	atomic_t gw_sel_class; /* uint */
	162	atomic_t gw_bandwidth; /* gw bandwidth */
	163	atomic_t orig_interval; /* uint */
	164	atomic_t hop_penalty; /* uint */
	165	atomic_t log_level; /* uint */
	166	atomic_t bcast_seqno;
	167	atomic_t bcast_queue_left;
	168	atomic_t batman_queue_left;
015758d0	169	atomic_t ttvn; /* translation table version number */
a73105b8 AQ	170	atomic_t tt_ogm_append_cnt;
a73105b8 AQ	171	atomic_t tt_local_changes; /* changes registered in a OGM interval */
23721387	172	atomic_t bla_num_requests; /* number of bla requests in flight */
cc47f66e AQ	173	/* The tt_poss_change flag is used to detect an ongoing roaming phase.
	174	* If true, then I received a Roaming_adv and I have to inspect every
	175	* packet directed to me to check whether I am still the true
	176	* destination or not. This flag will be reset to false as soon as I
	177	* increase my TTVN */
	178	bool tt_poss_change;
c6c8fea2	179	char num_ifaces;
c6c8fea2	180	struct debug_log *debug_log;
c6c8fea2 SE	181	struct kobject *mesh_obj;
	182	struct dentry *debug_dir;
	183	struct hlist_head forw_bat_list;
	184	struct hlist_head forw_bcast_list;
	185	struct hlist_head gw_list;
a73105b8	186	struct list_head tt_changes_list; /* tracks changes in a OGM int */
c6c8fea2 SE	187	struct list_head vis_send_list;
c6c8fea2 SE	188	struct hashtable_t *orig_hash;
2dafb49d AQ	189	struct hashtable_t *tt_local_hash;
2dafb49d AQ	190	struct hashtable_t *tt_global_hash;
7a5cc242	191	#ifdef CONFIG_BATMAN_ADV_BLA
23721387 SW	192	struct hashtable_t *claim_hash;
23721387 SW	193	struct hashtable_t *backbone_hash;
7a5cc242	194	#endif
a73105b8	195	struct list_head tt_req_list; /* list of pending tt_requests */
cc47f66e	196	struct list_head tt_roam_list;
c6c8fea2	197	struct hashtable_t *vis_hash;
7a5cc242	198	#ifdef CONFIG_BATMAN_ADV_BLA
fe2da6ff SW	199	struct bcast_duplist_entry bcast_duplist[DUPLIST_SIZE];
fe2da6ff SW	200	int bcast_duplist_curr;
38ef3d1d	201	struct bla_claim_dst claim_dest;
7a5cc242	202	#endif
c6c8fea2 SE	203	spinlock_t forw_bat_list_lock; /* protects forw_bat_list */
c6c8fea2 SE	204	spinlock_t forw_bcast_list_lock; /* protects */
a73105b8	205	spinlock_t tt_changes_list_lock; /* protects tt_changes */
a73105b8	206	spinlock_t tt_req_list_lock; /* protects tt_req_list */
cc47f66e	207	spinlock_t tt_roam_list_lock; /* protects tt_roam_list */
5d02b3cd	208	spinlock_t gw_list_lock; /* protects gw_list and curr_gw */
c6c8fea2 SE	209	spinlock_t vis_hash_lock; /* protects vis_hash */
c6c8fea2 SE	210	spinlock_t vis_list_lock; /* protects vis_info::recv_list */
a73105b8 AQ	211	atomic_t num_local_tt;
	212	/* Checksum of the local table, recomputed before sending a new OGM */
	213	atomic_t tt_crc;
	214	unsigned char *tt_buff;
	215	int16_t tt_buff_len;
	216	spinlock_t tt_buff_lock; /* protects tt_buff */
2dafb49d	217	struct delayed_work tt_work;
c6c8fea2 SE	218	struct delayed_work orig_work;
c6c8fea2 SE	219	struct delayed_work vis_work;
23721387	220	struct delayed_work bla_work;
5d02b3cd	221	struct gw_node __rcu curr_gw; / rcu protected pointer */
2265c141	222	atomic_t gw_reselect;
32ae9b22	223	struct hard_iface __rcu primary_if; / rcu protected pointer */
c6c8fea2	224	struct vis_info *my_vis_info;
1c280471	225	struct bat_algo_ops *bat_algo_ops;
c6c8fea2 SE	226	};
	227
	228	struct socket_client {
	229	struct list_head queue_list;
	230	unsigned int queue_len;
	231	unsigned char index;
	232	spinlock_t lock; /* protects queue_list, queue_len, index */
	233	wait_queue_head_t queue_wait;
	234	struct bat_priv *bat_priv;
	235	};
	236
	237	struct socket_packet {
	238	struct list_head list;
	239	size_t icmp_len;
	240	struct icmp_packet_rr icmp_packet;
	241	};
	242
48100bac	243	struct tt_common_entry {
c6c8fea2	244	uint8_t addr[ETH_ALEN];
93840ac4	245	struct hlist_node hash_entry;
5fbc1598	246	uint16_t flags;
7683fdc1 AQ	247	atomic_t refcount;
7683fdc1 AQ	248	struct rcu_head rcu;
c6c8fea2 SE	249	};
c6c8fea2 SE	250
48100bac AQ	251	struct tt_local_entry {
	252	struct tt_common_entry common;
	253	unsigned long last_seen;
	254	};
	255
2dafb49d	256	struct tt_global_entry {
48100bac	257	struct tt_common_entry common;
db08e6e5 SW	258	struct hlist_head orig_list;
	259	spinlock_t list_lock; /* protects the list */
	260	unsigned long roam_at; /* time at which TT_GLOBAL_ROAM was set */
	261	};
	262
	263	struct tt_orig_list_entry {
c6c8fea2	264	struct orig_node *orig_node;
a73105b8	265	uint8_t ttvn;
db08e6e5 SW	266	struct rcu_head rcu;
db08e6e5 SW	267	struct hlist_node list;
c6c8fea2 SE	268	};
c6c8fea2 SE	269
7a5cc242	270	#ifdef CONFIG_BATMAN_ADV_BLA
23721387 SW	271	struct backbone_gw {
	272	uint8_t orig[ETH_ALEN];
	273	short vid; /* used VLAN ID */
	274	struct hlist_node hash_entry;
	275	struct bat_priv *bat_priv;
	276	unsigned long lasttime; /* last time we heard of this backbone gw */
	277	atomic_t request_sent;
	278	atomic_t refcount;
	279	struct rcu_head rcu;
	280	uint16_t crc; /* crc checksum over all claims */
	281	};
	282
	283	struct claim {
	284	uint8_t addr[ETH_ALEN];
	285	short vid;
	286	struct backbone_gw *backbone_gw;
	287	unsigned long lasttime; /* last time we heard of claim (locals only) */
	288	struct rcu_head rcu;
	289	atomic_t refcount;
	290	struct hlist_node hash_entry;
	291	};
7a5cc242	292	#endif
23721387	293
a73105b8 AQ	294	struct tt_change_node {
	295	struct list_head list;
	296	struct tt_change change;
	297	};
	298
	299	struct tt_req_node {
	300	uint8_t addr[ETH_ALEN];
	301	unsigned long issued_at;
	302	struct list_head list;
	303	};
	304
cc47f66e AQ	305	struct tt_roam_node {
	306	uint8_t addr[ETH_ALEN];
	307	atomic_t counter;
	308	unsigned long first_time;
	309	struct list_head list;
	310	};
	311
c6c8fea2 SE	312	/**
	313	* forw_packet - structure for forw_list maintaining packets to be
	314	* send/forwarded
	315	*/
	316	struct forw_packet {
	317	struct hlist_node list;
	318	unsigned long send_time;
	319	uint8_t own;
	320	struct sk_buff *skb;
	321	uint16_t packet_len;
	322	uint32_t direct_link_flags;
	323	uint8_t num_packets;
	324	struct delayed_work delayed_work;
e6c10f43	325	struct hard_iface *if_incoming;
c6c8fea2 SE	326	};
	327
	328	/* While scanning for vis-entries of a particular vis-originator
	329	* this list collects its interfaces to create a subgraph/cluster
	330	* out of them later
	331	*/
	332	struct if_list_entry {
	333	uint8_t addr[ETH_ALEN];
	334	bool primary;
	335	struct hlist_node list;
	336	};
	337
	338	struct debug_log {
	339	char log_buff[LOG_BUF_LEN];
	340	unsigned long log_start;
	341	unsigned long log_end;
	342	spinlock_t lock; /* protects log_buff, log_start and log_end */
	343	wait_queue_head_t queue_wait;
	344	};
	345
	346	struct frag_packet_list_entry {
	347	struct list_head list;
	348	uint16_t seqno;
	349	struct sk_buff *skb;
	350	};
	351
	352	struct vis_info {
40219672 AQ	353	unsigned long first_seen;
	354	/* list of server-neighbors we received a vis-packet
	355	* from. we should not reply to them. */
	356	struct list_head recv_list;
c6c8fea2 SE	357	struct list_head send_list;
c6c8fea2 SE	358	struct kref refcount;
7aadf889	359	struct hlist_node hash_entry;
c6c8fea2 SE	360	struct bat_priv *bat_priv;
	361	/* this packet might be part of the vis send queue. */
	362	struct sk_buff *skb_packet;
	363	/* vis_info may follow here*/
aa0adb1a	364	} __packed;
c6c8fea2 SE	365
	366	struct vis_info_entry {
	367	uint8_t src[ETH_ALEN];
	368	uint8_t dest[ETH_ALEN];
2dafb49d	369	uint8_t quality; /* quality = 0 client */
aa0adb1a	370	} __packed;
c6c8fea2 SE	371
	372	struct recvlist_node {
	373	struct list_head list;
	374	uint8_t mac[ETH_ALEN];
	375	};
	376
1c280471 ML	377	struct bat_algo_ops {
	378	struct hlist_node list;
	379	char *name;
c2aca022	380	/* init routing info when hard-interface is enabled */
77af7575	381	int (bat_iface_enable)(struct hard_iface hard_iface);
00a50076 ML	382	/* de-init routing info when hard-interface is disabled */
00a50076 ML	383	void (bat_iface_disable)(struct hard_iface hard_iface);
c3229398 ML	384	/* (re-)init mac addresses of the protocol information
	385	* belonging to this hard-interface
	386	*/
	387	void (bat_iface_update_mac)(struct hard_iface hard_iface);
cd8b78e7 ML	388	/* called when primary interface is selected / changed */
cd8b78e7 ML	389	void (bat_primary_iface_set)(struct hard_iface hard_iface);
01c4224b ML	390	/* prepare a new outgoing OGM for the send queue */
	391	void (bat_ogm_schedule)(struct hard_iface hard_iface,
	392	int tt_num_changes);
	393	/* send scheduled OGM */
	394	void (bat_ogm_emit)(struct forw_packet forw_packet);
1c280471 ML	395	};
1c280471 ML	396
c6c8fea2	397	#endif /* _NET_BATMAN_ADV_TYPES_H_ */