185 lines
4.5 KiB
C
185 lines
4.5 KiB
C
/*
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* Copyright (C) 2007-2010 B.A.T.M.A.N. contributors:
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*
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* Marek Lindner, Simon Wunderlich
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of version 2 of the GNU General Public
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* License as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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* 02110-1301, USA
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*
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*/
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#ifndef _NET_BATMAN_ADV_TYPES_H_
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#define _NET_BATMAN_ADV_TYPES_H_
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#include "packet.h"
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#include "bitarray.h"
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#define BAT_HEADER_LEN (sizeof(struct ethhdr) + \
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((sizeof(struct unicast_packet) > sizeof(struct bcast_packet) ? \
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sizeof(struct unicast_packet) : \
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sizeof(struct bcast_packet))))
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struct batman_if {
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struct list_head list;
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int16_t if_num;
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char *dev;
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char if_status;
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char addr_str[ETH_STR_LEN];
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struct net_device *net_dev;
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atomic_t seqno;
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unsigned char *packet_buff;
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int packet_len;
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struct kobject *hardif_obj;
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struct rcu_head rcu;
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};
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/**
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* orig_node - structure for orig_list maintaining nodes of mesh
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* @primary_addr: hosts primary interface address
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* @last_valid: when last packet from this node was received
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* @bcast_seqno_reset: time when the broadcast seqno window was reset
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* @batman_seqno_reset: time when the batman seqno window was reset
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* @flags: for now only VIS_SERVER flag
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* @last_real_seqno: last and best known squence number
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* @last_ttl: ttl of last received packet
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* @last_bcast_seqno: last broadcast sequence number received by this host
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*
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* @candidates: how many candidates are available
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* @selected: next bonding candidate
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*/
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struct orig_node {
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uint8_t orig[ETH_ALEN];
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uint8_t primary_addr[ETH_ALEN];
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struct neigh_node *router;
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TYPE_OF_WORD *bcast_own;
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uint8_t *bcast_own_sum;
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uint8_t tq_own;
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int tq_asym_penalty;
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unsigned long last_valid;
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unsigned long bcast_seqno_reset;
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unsigned long batman_seqno_reset;
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uint8_t flags;
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unsigned char *hna_buff;
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int16_t hna_buff_len;
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uint32_t last_real_seqno;
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uint8_t last_ttl;
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TYPE_OF_WORD bcast_bits[NUM_WORDS];
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uint32_t last_bcast_seqno;
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struct list_head neigh_list;
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struct {
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uint8_t candidates;
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struct neigh_node *selected;
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} bond;
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};
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/**
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* neigh_node
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* @last_valid: when last packet via this neighbor was received
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*/
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struct neigh_node {
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struct list_head list;
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uint8_t addr[ETH_ALEN];
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uint8_t real_packet_count;
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uint8_t tq_recv[TQ_GLOBAL_WINDOW_SIZE];
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uint8_t tq_index;
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uint8_t tq_avg;
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uint8_t last_ttl;
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struct neigh_node *next_bond_candidate;
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unsigned long last_valid;
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TYPE_OF_WORD real_bits[NUM_WORDS];
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struct orig_node *orig_node;
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struct batman_if *if_incoming;
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};
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struct bat_priv {
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struct net_device_stats stats;
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atomic_t aggregation_enabled;
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atomic_t bonding_enabled;
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atomic_t vis_mode;
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atomic_t orig_interval;
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atomic_t log_level;
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char num_ifaces;
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struct debug_log *debug_log;
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struct batman_if *primary_if;
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struct kobject *mesh_obj;
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struct dentry *debug_dir;
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};
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struct socket_client {
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struct list_head queue_list;
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unsigned int queue_len;
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unsigned char index;
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spinlock_t lock;
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wait_queue_head_t queue_wait;
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struct bat_priv *bat_priv;
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};
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struct socket_packet {
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struct list_head list;
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size_t icmp_len;
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struct icmp_packet_rr icmp_packet;
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};
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struct hna_local_entry {
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uint8_t addr[ETH_ALEN];
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unsigned long last_seen;
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char never_purge;
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};
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struct hna_global_entry {
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uint8_t addr[ETH_ALEN];
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struct orig_node *orig_node;
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};
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/**
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* forw_packet - structure for forw_list maintaining packets to be
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* send/forwarded
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*/
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struct forw_packet {
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struct hlist_node list;
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unsigned long send_time;
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uint8_t own;
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struct sk_buff *skb;
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unsigned char *packet_buff;
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uint16_t packet_len;
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uint32_t direct_link_flags;
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uint8_t num_packets;
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struct delayed_work delayed_work;
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struct batman_if *if_incoming;
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};
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/* While scanning for vis-entries of a particular vis-originator
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* this list collects its interfaces to create a subgraph/cluster
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* out of them later
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*/
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struct if_list_entry {
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uint8_t addr[ETH_ALEN];
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bool primary;
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struct hlist_node list;
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};
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struct debug_log {
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char log_buff[LOG_BUF_LEN];
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unsigned long log_start;
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unsigned long log_end;
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spinlock_t lock;
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wait_queue_head_t queue_wait;
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};
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#endif /* _NET_BATMAN_ADV_TYPES_H_ */
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