summaryrefslogtreecommitdiff
path: root/net/batman-adv/types.h
diff options
context:
space:
mode:
authorSrikant Patnaik2015-01-11 12:28:04 +0530
committerSrikant Patnaik2015-01-11 12:28:04 +0530
commit871480933a1c28f8a9fed4c4d34d06c439a7a422 (patch)
tree8718f573808810c2a1e8cb8fb6ac469093ca2784 /net/batman-adv/types.h
parent9d40ac5867b9aefe0722bc1f110b965ff294d30d (diff)
downloadFOSSEE-netbook-kernel-source-871480933a1c28f8a9fed4c4d34d06c439a7a422.tar.gz
FOSSEE-netbook-kernel-source-871480933a1c28f8a9fed4c4d34d06c439a7a422.tar.bz2
FOSSEE-netbook-kernel-source-871480933a1c28f8a9fed4c4d34d06c439a7a422.zip
Moved, renamed, and deleted files
The original directory structure was scattered and unorganized. Changes are basically to make it look like kernel structure.
Diffstat (limited to 'net/batman-adv/types.h')
-rw-r--r--net/batman-adv/types.h367
1 files changed, 367 insertions, 0 deletions
diff --git a/net/batman-adv/types.h b/net/batman-adv/types.h
new file mode 100644
index 00000000..302efb52
--- /dev/null
+++ b/net/batman-adv/types.h
@@ -0,0 +1,367 @@
+/*
+ * 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 (sizeof(struct ethhdr) + \
+ ((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_valid: 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_valid;
+ 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;
+ unsigned long bcast_bits[NUM_WORDS];
+ 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_valid: 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_valid;
+ unsigned long real_bits[NUM_WORDS];
+ atomic_t refcount;
+ struct rcu_head rcu;
+ struct orig_node *orig_node;
+ struct hard_iface *if_incoming;
+ spinlock_t tq_lock; /* protects: tq_recv, tq_index */
+};
+
+
+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 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 */
+ /* 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 hlist_head softif_neigh_vids;
+ 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;
+ struct list_head tt_req_list; /* list of pending tt_requests */
+ struct list_head tt_roam_list;
+ struct hashtable_t *vis_hash;
+ 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 */
+ spinlock_t softif_neigh_lock; /* protects soft-interface neigh list */
+ spinlock_t softif_neigh_vid_lock; /* protects soft-interface vid 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 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 orig_node *orig_node;
+ uint8_t ttvn;
+ unsigned long roam_at; /* time at which TT_GLOBAL_ROAM was set */
+};
+
+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 softif_neigh_vid {
+ struct hlist_node list;
+ struct bat_priv *bat_priv;
+ short vid;
+ atomic_t refcount;
+ struct softif_neigh __rcu *softif_neigh;
+ struct rcu_head rcu;
+ struct hlist_head softif_neigh_list;
+};
+
+struct softif_neigh {
+ struct hlist_node list;
+ uint8_t addr[ETH_ALEN];
+ unsigned long last_seen;
+ atomic_t refcount;
+ struct rcu_head rcu;
+};
+
+struct bat_algo_ops {
+ struct hlist_node list;
+ char *name;
+ /* init OGM when hard-interface is enabled */
+ void (*bat_ogm_init)(struct hard_iface *hard_iface);
+ /* init primary OGM when primary interface is selected */
+ void (*bat_ogm_init_primary)(struct hard_iface *hard_iface);
+ /* init mac addresses of the OGM belonging to this hard-interface */
+ void (*bat_ogm_update_mac)(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);
+ /* receive incoming OGM */
+ void (*bat_ogm_receive)(struct hard_iface *if_incoming,
+ struct sk_buff *skb);
+};
+
+#endif /* _NET_BATMAN_ADV_TYPES_H_ */