1/* 2 * Copyright (C) 2007-2010 B.A.T.M.A.N. contributors: 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 30#define BAT_HEADER_LEN (sizeof(struct ethhdr) + \ 31 ((sizeof(struct unicast_packet) > sizeof(struct bcast_packet) ? \ 32 sizeof(struct unicast_packet) : \ 33 sizeof(struct bcast_packet)))) 34 35 36struct batman_if { 37 struct list_head list; 38 int16_t if_num; 39 char *dev; 40 char if_status; 41 char addr_str[ETH_STR_LEN]; 42 struct net_device *net_dev; 43 atomic_t seqno; 44 unsigned char *packet_buff; 45 int packet_len; 46 struct kobject *hardif_obj; 47 struct rcu_head rcu; 48 49}; 50 51/** 52 * orig_node - structure for orig_list maintaining nodes of mesh 53 * @primary_addr: hosts primary interface address 54 * @last_valid: when last packet from this node was received 55 * @bcast_seqno_reset: time when the broadcast seqno window was reset 56 * @batman_seqno_reset: time when the batman seqno window was reset 57 * @flags: for now only VIS_SERVER flag 58 * @last_real_seqno: last and best known squence number 59 * @last_ttl: ttl of last received packet 60 * @last_bcast_seqno: last broadcast sequence number received by this host 61 * 62 * @candidates: how many candidates are available 63 * @selected: next bonding candidate 64 */ 65struct orig_node { 66 uint8_t orig[ETH_ALEN]; 67 uint8_t primary_addr[ETH_ALEN]; 68 struct neigh_node *router; 69 TYPE_OF_WORD *bcast_own; 70 uint8_t *bcast_own_sum; 71 uint8_t tq_own; 72 int tq_asym_penalty; 73 unsigned long last_valid; 74 unsigned long bcast_seqno_reset; 75 unsigned long batman_seqno_reset; 76 uint8_t flags; 77 unsigned char *hna_buff; 78 int16_t hna_buff_len; 79 uint32_t last_real_seqno; 80 uint8_t last_ttl; 81 TYPE_OF_WORD bcast_bits[NUM_WORDS]; 82 uint32_t last_bcast_seqno; 83 struct list_head neigh_list; 84 struct { 85 uint8_t candidates; 86 struct neigh_node *selected; 87 } bond; 88}; 89 90/** 91 * neigh_node 92 * @last_valid: when last packet via this neighbor was received 93 */ 94struct neigh_node { 95 struct list_head list; 96 uint8_t addr[ETH_ALEN]; 97 uint8_t real_packet_count; 98 uint8_t tq_recv[TQ_GLOBAL_WINDOW_SIZE]; 99 uint8_t tq_index; 100 uint8_t tq_avg; 101 uint8_t last_ttl; 102 struct neigh_node *next_bond_candidate; 103 unsigned long last_valid; 104 TYPE_OF_WORD real_bits[NUM_WORDS]; 105 struct orig_node *orig_node; 106 struct batman_if *if_incoming; 107}; 108 109struct bat_priv { 110 struct net_device_stats stats; 111 atomic_t aggregation_enabled; 112 atomic_t bonding_enabled; 113 atomic_t vis_mode; 114 atomic_t orig_interval; 115 atomic_t log_level; 116 char num_ifaces; 117 struct debug_log *debug_log; 118 struct batman_if *primary_if; 119 struct kobject *mesh_obj; 120 struct dentry *debug_dir; 121}; 122 123struct socket_client { 124 struct list_head queue_list; 125 unsigned int queue_len; 126 unsigned char index; 127 spinlock_t lock; 128 wait_queue_head_t queue_wait; 129 struct bat_priv *bat_priv; 130}; 131 132struct socket_packet { 133 struct list_head list; 134 size_t icmp_len; 135 struct icmp_packet_rr icmp_packet; 136}; 137 138struct hna_local_entry { 139 uint8_t addr[ETH_ALEN]; 140 unsigned long last_seen; 141 char never_purge; 142}; 143 144struct hna_global_entry { 145 uint8_t addr[ETH_ALEN]; 146 struct orig_node *orig_node; 147}; 148 149/** 150 * forw_packet - structure for forw_list maintaining packets to be 151 * send/forwarded 152 */ 153struct forw_packet { 154 struct hlist_node list; 155 unsigned long send_time; 156 uint8_t own; 157 struct sk_buff *skb; 158 unsigned char *packet_buff; 159 uint16_t packet_len; 160 uint32_t direct_link_flags; 161 uint8_t num_packets; 162 struct delayed_work delayed_work; 163 struct batman_if *if_incoming; 164}; 165 166/* While scanning for vis-entries of a particular vis-originator 167 * this list collects its interfaces to create a subgraph/cluster 168 * out of them later 169 */ 170struct if_list_entry { 171 uint8_t addr[ETH_ALEN]; 172 bool primary; 173 struct hlist_node list; 174}; 175 176struct debug_log { 177 char log_buff[LOG_BUF_LEN]; 178 unsigned long log_start; 179 unsigned long log_end; 180 spinlock_t lock; 181 wait_queue_head_t queue_wait; 182}; 183 184#endif /* _NET_BATMAN_ADV_TYPES_H_ */ 185