135 lines
3.5 KiB
C
135 lines
3.5 KiB
C
/*
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* Copyright (C) 2007-2009 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 TYPES_H
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#define 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) + ((sizeof(struct unicast_packet) > sizeof(struct bcast_packet) ? sizeof(struct unicast_packet) : 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_active;
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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 rcu_head rcu;
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};
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struct orig_node { /* structure for orig_list maintaining nodes of mesh */
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uint8_t orig[ETH_ALEN];
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struct neigh_node *router;
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struct batman_if *batman_if;
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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; /* when last packet from this node was received */
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/* uint8_t gwflags; * flags related to gateway functions: gateway class */
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uint8_t flags; /* for now only VIS_SERVER flag. */
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unsigned char *hna_buff;
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int16_t hna_buff_len;
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uint16_t last_real_seqno; /* last and best known squence number */
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uint8_t last_ttl; /* ttl of last received packet */
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TYPE_OF_WORD bcast_bits[NUM_WORDS];
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uint16_t last_bcast_seqno; /* last broadcast sequence number received by this host */
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struct list_head neigh_list;
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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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unsigned long last_valid; /* when last packet via this neighbor was received */
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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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};
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struct device_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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};
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struct device_packet {
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struct list_head list;
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struct icmp_packet 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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struct forw_packet { /* structure for forw_list maintaining packets to be send/forwarded */
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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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#endif
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