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authorSven Eckelmann <sven@narfation.org>2017-12-02 19:51:48 +0100
committerSimon Wunderlich <sw@simonwunderlich.de>2017-12-15 17:29:20 +0100
commit8b84cc4fb556b24fcd2c9529ad4b13556258f668 (patch)
tree0df7e1324f214d83f31e5818d4fd28c18813deb0 /net
parent7e9a8c2ce7c5f8745c003e2ba4758c21c38a0419 (diff)
batman-adv: Use inline kernel-doc for enum/struct
The inline kernel-doc comments make it easier to keep changes to the struct/enum synchronized with the documentation of the it. And it makes it easier for larger structures like struct batadv_priv to read the documentation inside the code. Signed-off-by: Sven Eckelmann <sven@narfation.org> Signed-off-by: Simon Wunderlich <sw@simonwunderlich.de>
Diffstat (limited to 'net')
-rw-r--r--net/batman-adv/bat_iv_ogm.c17
-rw-r--r--net/batman-adv/gateway_common.h5
-rw-r--r--net/batman-adv/hard-interface.h27
-rw-r--r--net/batman-adv/log.h26
-rw-r--r--net/batman-adv/multicast.h16
-rw-r--r--net/batman-adv/types.h1989
6 files changed, 1444 insertions, 636 deletions
diff --git a/net/batman-adv/bat_iv_ogm.c b/net/batman-adv/bat_iv_ogm.c
index 1fc67aa8d7df..0973e8c5a063 100644
--- a/net/batman-adv/bat_iv_ogm.c
+++ b/net/batman-adv/bat_iv_ogm.c
@@ -73,16 +73,23 @@ static void batadv_iv_send_outstanding_bat_ogm_packet(struct work_struct *work);
/**
* enum batadv_dup_status - duplicate status
- * @BATADV_NO_DUP: the packet is no duplicate
- * @BATADV_ORIG_DUP: OGM is a duplicate in the originator (but not for the
- * neighbor)
- * @BATADV_NEIGH_DUP: OGM is a duplicate for the neighbor
- * @BATADV_PROTECTED: originator is currently protected (after reboot)
*/
enum batadv_dup_status {
+ /** @BATADV_NO_DUP: the packet is no duplicate */
BATADV_NO_DUP = 0,
+
+ /**
+ * @BATADV_ORIG_DUP: OGM is a duplicate in the originator (but not for
+ * the neighbor)
+ */
BATADV_ORIG_DUP,
+
+ /** @BATADV_NEIGH_DUP: OGM is a duplicate for the neighbor */
BATADV_NEIGH_DUP,
+
+ /**
+ * @BATADV_PROTECTED: originator is currently protected (after reboot)
+ */
BATADV_PROTECTED,
};
diff --git a/net/batman-adv/gateway_common.h b/net/batman-adv/gateway_common.h
index 7c298b05c1dc..afebd9c7edf4 100644
--- a/net/batman-adv/gateway_common.h
+++ b/net/batman-adv/gateway_common.h
@@ -33,11 +33,12 @@ enum batadv_gw_modes {
/**
* enum batadv_bandwidth_units - bandwidth unit types
- * @BATADV_BW_UNIT_KBIT: unit type kbit
- * @BATADV_BW_UNIT_MBIT: unit type mbit
*/
enum batadv_bandwidth_units {
+ /** @BATADV_BW_UNIT_KBIT: unit type kbit */
BATADV_BW_UNIT_KBIT,
+
+ /** @BATADV_BW_UNIT_MBIT: unit type mbit */
BATADV_BW_UNIT_MBIT,
};
diff --git a/net/batman-adv/hard-interface.h b/net/batman-adv/hard-interface.h
index a7f9036f0e3a..fb7a5d6b5ce3 100644
--- a/net/batman-adv/hard-interface.h
+++ b/net/batman-adv/hard-interface.h
@@ -42,25 +42,40 @@ enum batadv_hard_if_state {
/**
* enum batadv_hard_if_bcast - broadcast avoidance options
- * @BATADV_HARDIF_BCAST_OK: Do broadcast on according hard interface
- * @BATADV_HARDIF_BCAST_NORECIPIENT: Broadcast not needed, there is no recipient
- * @BATADV_HARDIF_BCAST_DUPFWD: There is just the neighbor we got it from
- * @BATADV_HARDIF_BCAST_DUPORIG: There is just the originator
*/
enum batadv_hard_if_bcast {
+ /** @BATADV_HARDIF_BCAST_OK: Do broadcast on according hard interface */
BATADV_HARDIF_BCAST_OK = 0,
+
+ /**
+ * @BATADV_HARDIF_BCAST_NORECIPIENT: Broadcast not needed, there is no
+ * recipient
+ */
BATADV_HARDIF_BCAST_NORECIPIENT,
+
+ /**
+ * @BATADV_HARDIF_BCAST_DUPFWD: There is just the neighbor we got it
+ * from
+ */
BATADV_HARDIF_BCAST_DUPFWD,
+
+ /** @BATADV_HARDIF_BCAST_DUPORIG: There is just the originator */
BATADV_HARDIF_BCAST_DUPORIG,
};
/**
* enum batadv_hard_if_cleanup - Cleanup modi for soft_iface after slave removal
- * @BATADV_IF_CLEANUP_KEEP: Don't automatically delete soft-interface
- * @BATADV_IF_CLEANUP_AUTO: Delete soft-interface after last slave was removed
*/
enum batadv_hard_if_cleanup {
+ /**
+ * @BATADV_IF_CLEANUP_KEEP: Don't automatically delete soft-interface
+ */
BATADV_IF_CLEANUP_KEEP,
+
+ /**
+ * @BATADV_IF_CLEANUP_AUTO: Delete soft-interface after last slave was
+ * removed
+ */
BATADV_IF_CLEANUP_AUTO,
};
diff --git a/net/batman-adv/log.h b/net/batman-adv/log.h
index 6744a64143c0..dd22e17b84b4 100644
--- a/net/batman-adv/log.h
+++ b/net/batman-adv/log.h
@@ -45,25 +45,33 @@ static inline void batadv_debug_log_cleanup(struct batadv_priv *bat_priv)
/**
* enum batadv_dbg_level - available log levels
- * @BATADV_DBG_BATMAN: OGM and TQ computations related messages
- * @BATADV_DBG_ROUTES: route added / changed / deleted
- * @BATADV_DBG_TT: translation table messages
- * @BATADV_DBG_BLA: bridge loop avoidance messages
- * @BATADV_DBG_DAT: ARP snooping and DAT related messages
- * @BATADV_DBG_NC: network coding related messages
- * @BATADV_DBG_MCAST: multicast related messages
- * @BATADV_DBG_TP_METER: throughput meter messages
- * @BATADV_DBG_ALL: the union of all the above log levels
*/
enum batadv_dbg_level {
+ /** @BATADV_DBG_BATMAN: OGM and TQ computations related messages */
BATADV_DBG_BATMAN = BIT(0),
+
+ /** @BATADV_DBG_ROUTES: route added / changed / deleted */
BATADV_DBG_ROUTES = BIT(1),
+
+ /** @BATADV_DBG_TT: translation table messages */
BATADV_DBG_TT = BIT(2),
+
+ /** @BATADV_DBG_BLA: bridge loop avoidance messages */
BATADV_DBG_BLA = BIT(3),
+
+ /** @BATADV_DBG_DAT: ARP snooping and DAT related messages */
BATADV_DBG_DAT = BIT(4),
+
+ /** @BATADV_DBG_NC: network coding related messages */
BATADV_DBG_NC = BIT(5),
+
+ /** @BATADV_DBG_MCAST: multicast related messages */
BATADV_DBG_MCAST = BIT(6),
+
+ /** @BATADV_DBG_TP_METER: throughput meter messages */
BATADV_DBG_TP_METER = BIT(7),
+
+ /** @BATADV_DBG_ALL: the union of all the above log levels */
BATADV_DBG_ALL = 255,
};
diff --git a/net/batman-adv/multicast.h b/net/batman-adv/multicast.h
index 51f273b5b77d..3ac06337ab71 100644
--- a/net/batman-adv/multicast.h
+++ b/net/batman-adv/multicast.h
@@ -26,15 +26,21 @@ struct sk_buff;
/**
* enum batadv_forw_mode - the way a packet should be forwarded as
- * @BATADV_FORW_ALL: forward the packet to all nodes (currently via classic
- * flooding)
- * @BATADV_FORW_SINGLE: forward the packet to a single node (currently via the
- * BATMAN unicast routing protocol)
- * @BATADV_FORW_NONE: don't forward, drop it
*/
enum batadv_forw_mode {
+ /**
+ * @BATADV_FORW_ALL: forward the packet to all nodes (currently via
+ * classic flooding)
+ */
BATADV_FORW_ALL,
+
+ /**
+ * @BATADV_FORW_SINGLE: forward the packet to a single node (currently
+ * via the BATMAN unicast routing protocol)
+ */
BATADV_FORW_SINGLE,
+
+ /** @BATADV_FORW_NONE: don't forward, drop it */
BATADV_FORW_NONE,
};
diff --git a/net/batman-adv/types.h b/net/batman-adv/types.h
index 1df798b32077..c39f879d7dde 100644
--- a/net/batman-adv/types.h
+++ b/net/batman-adv/types.h
@@ -55,13 +55,15 @@ struct seq_file;
/**
* enum batadv_dhcp_recipient - dhcp destination
- * @BATADV_DHCP_NO: packet is not a dhcp message
- * @BATADV_DHCP_TO_SERVER: dhcp message is directed to a server
- * @BATADV_DHCP_TO_CLIENT: dhcp message is directed to a client
*/
enum batadv_dhcp_recipient {
+ /** @BATADV_DHCP_NO: packet is not a dhcp message */
BATADV_DHCP_NO = 0,
+
+ /** @BATADV_DHCP_TO_SERVER: dhcp message is directed to a server */
BATADV_DHCP_TO_SERVER,
+
+ /** @BATADV_DHCP_TO_CLIENT: dhcp message is directed to a client */
BATADV_DHCP_TO_CLIENT,
};
@@ -79,196 +81,274 @@ enum batadv_dhcp_recipient {
/**
* struct batadv_hard_iface_bat_iv - per hard-interface B.A.T.M.A.N. IV data
- * @ogm_buff: buffer holding the OGM packet
- * @ogm_buff_len: length of the OGM packet buffer
- * @ogm_seqno: OGM sequence number - used to identify each OGM
*/
struct batadv_hard_iface_bat_iv {
+ /** @ogm_buff: buffer holding the OGM packet */
unsigned char *ogm_buff;
+
+ /** @ogm_buff_len: length of the OGM packet buffer */
int ogm_buff_len;
+
+ /** @ogm_seqno: OGM sequence number - used to identify each OGM */
atomic_t ogm_seqno;
};
/**
* enum batadv_v_hard_iface_flags - interface flags useful to B.A.T.M.A.N. V
- * @BATADV_FULL_DUPLEX: tells if the connection over this link is full-duplex
- * @BATADV_WARNING_DEFAULT: tells whether we have warned the user that no
- * throughput data is available for this interface and that default values are
- * assumed.
*/
enum batadv_v_hard_iface_flags {
+ /**
+ * @BATADV_FULL_DUPLEX: tells if the connection over this link is
+ * full-duplex
+ */
BATADV_FULL_DUPLEX = BIT(0),
+
+ /**
+ * @BATADV_WARNING_DEFAULT: tells whether we have warned the user that
+ * no throughput data is available for this interface and that default
+ * values are assumed.
+ */
BATADV_WARNING_DEFAULT = BIT(1),
};
/**
* struct batadv_hard_iface_bat_v - per hard-interface B.A.T.M.A.N. V data
- * @elp_interval: time interval between two ELP transmissions
- * @elp_seqno: current ELP sequence number
- * @elp_skb: base skb containing the ELP message to send
- * @elp_wq: workqueue used to schedule ELP transmissions
- * @throughput_override: throughput override to disable link auto-detection
- * @flags: interface specific flags
*/
struct batadv_hard_iface_bat_v {
+ /** @elp_interval: time interval between two ELP transmissions */
atomic_t elp_interval;
+
+ /** @elp_seqno: current ELP sequence number */
atomic_t elp_seqno;
+
+ /** @elp_skb: base skb containing the ELP message to send */
struct sk_buff *elp_skb;
+
+ /** @elp_wq: workqueue used to schedule ELP transmissions */
struct delayed_work elp_wq;
+
+ /**
+ * @throughput_override: throughput override to disable link
+ * auto-detection
+ */
atomic_t throughput_override;
+
+ /** @flags: interface specific flags */
u8 flags;
};
/**
* enum batadv_hard_iface_wifi_flags - Flags describing the wifi configuration
* of a batadv_hard_iface
- * @BATADV_HARDIF_WIFI_WEXT_DIRECT: it is a wext wifi device
- * @BATADV_HARDIF_WIFI_CFG80211_DIRECT: it is a cfg80211 wifi device
- * @BATADV_HARDIF_WIFI_WEXT_INDIRECT: link device is a wext wifi device
- * @BATADV_HARDIF_WIFI_CFG80211_INDIRECT: link device is a cfg80211 wifi device
*/
enum batadv_hard_iface_wifi_flags {
+ /** @BATADV_HARDIF_WIFI_WEXT_DIRECT: it is a wext wifi device */
BATADV_HARDIF_WIFI_WEXT_DIRECT = BIT(0),
+
+ /** @BATADV_HARDIF_WIFI_CFG80211_DIRECT: it is a cfg80211 wifi device */
BATADV_HARDIF_WIFI_CFG80211_DIRECT = BIT(1),
+
+ /**
+ * @BATADV_HARDIF_WIFI_WEXT_INDIRECT: link device is a wext wifi device
+ */
BATADV_HARDIF_WIFI_WEXT_INDIRECT = BIT(2),
+
+ /**
+ * @BATADV_HARDIF_WIFI_CFG80211_INDIRECT: link device is a cfg80211 wifi
+ * device
+ */
BATADV_HARDIF_WIFI_CFG80211_INDIRECT = BIT(3),
};
/**
* struct batadv_hard_iface - network device known to batman-adv
- * @list: list node for batadv_hardif_list
- * @if_num: identificator of the interface
- * @if_status: status of the interface for batman-adv
- * @num_bcasts: number of payload re-broadcasts on this interface (ARQ)
- * @wifi_flags: flags whether this is (directly or indirectly) a wifi interface
- * @net_dev: pointer to the net_device
- * @hardif_obj: kobject of the per interface sysfs "mesh" directory
- * @refcount: number of contexts the object is used
- * @batman_adv_ptype: packet type describing packets that should be processed by
- * batman-adv for this interface
- * @soft_iface: the batman-adv interface which uses this network interface
- * @rcu: struct used for freeing in an RCU-safe manner
- * @bat_iv: per hard-interface B.A.T.M.A.N. IV data
- * @bat_v: per hard-interface B.A.T.M.A.N. V data
- * @debug_dir: dentry for nc subdir in batman-adv directory in debugfs
- * @neigh_list: list of unique single hop neighbors via this interface
- * @neigh_list_lock: lock protecting neigh_list
*/
struct batadv_hard_iface {
+ /** @list: list node for batadv_hardif_list */
struct list_head list;
+
+ /** @if_num: identificator of the interface */
s16 if_num;
+
+ /** @if_status: status of the interface for batman-adv */
char if_status;
+
+ /**
+ * @num_bcasts: number of payload re-broadcasts on this interface (ARQ)
+ */
u8 num_bcasts;
+
+ /**
+ * @wifi_flags: flags whether this is (directly or indirectly) a wifi
+ * interface
+ */
u32 wifi_flags;
+
+ /** @net_dev: pointer to the net_device */
struct net_device *net_dev;
+
+ /** @hardif_obj: kobject of the per interface sysfs "mesh" directory */
struct kobject *hardif_obj;
+
+ /** @refcount: number of contexts the object is used */
struct kref refcount;
+
+ /**
+ * @batman_adv_ptype: packet type describing packets that should be
+ * processed by batman-adv for this interface
+ */
struct packet_type batman_adv_ptype;
+
+ /**
+ * @soft_iface: the batman-adv interface which uses this network
+ * interface
+ */
struct net_device *soft_iface;
+
+ /** @rcu: struct used for freeing in an RCU-safe manner */
struct rcu_head rcu;
+
+ /** @bat_iv: per hard-interface B.A.T.M.A.N. IV data */
struct batadv_hard_iface_bat_iv bat_iv;
+
#ifdef CONFIG_BATMAN_ADV_BATMAN_V
+ /** @bat_v: per hard-interface B.A.T.M.A.N. V data */
struct batadv_hard_iface_bat_v bat_v;
#endif
+
+ /**
+ * @debug_dir: dentry for nc subdir in batman-adv directory in debugfs
+ */
struct dentry *debug_dir;
+
+ /**
+ * @neigh_list: list of unique single hop neighbors via this interface
+ */
struct hlist_head neigh_list;
- /* neigh_list_lock protects: neigh_list */
+
+ /** @neigh_list_lock: lock protecting neigh_list */
spinlock_t neigh_list_lock;
};
/**
* struct batadv_orig_ifinfo - originator info per outgoing interface
- * @list: list node for orig_node::ifinfo_list
- * @if_outgoing: pointer to outgoing hard-interface
- * @router: router that should be used to reach this originator
- * @last_real_seqno: last and best known sequence number
- * @last_ttl: ttl of last received packet
- * @last_seqno_forwarded: seqno of the OGM which was forwarded last
- * @batman_seqno_reset: time when the batman seqno window was reset
- * @refcount: number of contexts the object is used
- * @rcu: struct used for freeing in an RCU-safe manner
*/
struct batadv_orig_ifinfo {
+ /** @list: list node for orig_node::ifinfo_list */
struct hlist_node list;
+
+ /** @if_outgoing: pointer to outgoing hard-interface */
struct batadv_hard_iface *if_outgoing;
- struct batadv_neigh_node __rcu *router; /* rcu protected pointer */
+
+ /** @router: router that should be used to reach this originator */
+ struct batadv_neigh_node __rcu *router;
+
+ /** @last_real_seqno: last and best known sequence number */
u32 last_real_seqno;
+
+ /** @last_ttl: ttl of last received packet */
u8 last_ttl;
+
+ /** @last_seqno_forwarded: seqno of the OGM which was forwarded last */
u32 last_seqno_forwarded;
+
+ /** @batman_seqno_reset: time when the batman seqno window was reset */
unsigned long batman_seqno_reset;
+
+ /** @refcount: number of contexts the object is used */
struct kref refcount;
+
+ /** @rcu: struct used for freeing in an RCU-safe manner */
struct rcu_head rcu;
};
/**
* struct batadv_frag_table_entry - head in the fragment buffer table
- * @fragment_list: head of list with fragments
- * @lock: lock to protect the list of fragments
- * @timestamp: time (jiffie) of last received fragment
- * @seqno: sequence number of the fragments in the list
- * @size: accumulated size of packets in list
- * @total_size: expected size of the assembled packet
*/
struct batadv_frag_table_entry {
+ /** @fragment_list: head of list with fragments */
struct hlist_head fragment_list;
- spinlock_t lock; /* protects fragment_list */
+
+ /** @lock: lock to protect the list of fragments */
+ spinlock_t lock;
+
+ /** @timestamp: time (jiffie) of last received fragment */
unsigned long timestamp;
+
+ /** @seqno: sequence number of the fragments in the list */
u16 seqno;
+
+ /** @size: accumulated size of packets in list */
u16 size;
+
+ /** @total_size: expected size of the assembled packet */
u16 total_size;
};
/**
* struct batadv_frag_list_entry - entry in a list of fragments
- * @list: list node information
- * @skb: fragment
- * @no: fragment number in the set
*/
struct batadv_frag_list_entry {
+ /** @list: list node information */
struct hlist_node list;
+
+ /** @skb: fragment */
struct sk_buff *skb;
+
+ /** @no: fragment number in the set */
u8 no;
};
/**
* struct batadv_vlan_tt - VLAN specific TT attributes
- * @crc: CRC32 checksum of the entries belonging to this vlan
- * @num_entries: number of TT entries for this VLAN
*/
struct batadv_vlan_tt {
+ /** @crc: CRC32 checksum of the entries belonging to this vlan */
u32 crc;
+
+ /** @num_entries: number of TT entries for this VLAN */
atomic_t num_entries;
};
/**
* struct batadv_orig_node_vlan - VLAN specific data per orig_node
- * @vid: the VLAN identifier
- * @tt: VLAN specific TT attributes
- * @list: list node for orig_node::vlan_list
- * @refcount: number of context where this object is currently in use
- * @rcu: struct used for freeing in a RCU-safe manner
*/
struct batadv_orig_node_vlan {
+ /** @vid: the VLAN identifier */
unsigned short vid;
+
+ /** @tt: VLAN specific TT attributes */
struct batadv_vlan_tt tt;
+
+ /** @list: list node for orig_node::vlan_list */
struct hlist_node list;
+
+ /**
+ * @refcount: number of context where this object is currently in use
+ */
struct kref refcount;
+
+ /** @rcu: struct used for freeing in a RCU-safe manner */
struct rcu_head rcu;
};
/**
* struct batadv_orig_bat_iv - B.A.T.M.A.N. IV private orig_node members
- * @bcast_own: set of bitfields (one per hard-interface) where each one counts
- * the number of our OGMs this orig_node rebroadcasted "back" to us (relative
- * to last_real_seqno). Every bitfield is BATADV_TQ_LOCAL_WINDOW_SIZE bits long.
- * @bcast_own_sum: sum of bcast_own
- * @ogm_cnt_lock: lock protecting bcast_own, bcast_own_sum,
- * neigh_node->bat_iv.real_bits & neigh_node->bat_iv.real_packet_count
*/
struct batadv_orig_bat_iv {
+ /**
+ * @bcast_own: set of bitfields (one per hard-interface) where each one
+ * counts the number of our OGMs this orig_node rebroadcasted "back" to
+ * us (relative to last_real_seqno). Every bitfield is
+ * BATADV_TQ_LOCAL_WINDOW_SIZE bits long.
+ */
unsigned long *bcast_own;
+
+ /** @bcast_own_sum: sum of bcast_own */
u8 *bcast_own_sum;
- /* ogm_cnt_lock protects: bcast_own, bcast_own_sum,
+
+ /**
+ * @ogm_cnt_lock: lock protecting bcast_own, bcast_own_sum,
* neigh_node->bat_iv.real_bits & neigh_node->bat_iv.real_packet_count
*/
spinlock_t ogm_cnt_lock;
@@ -276,130 +356,205 @@ struct batadv_orig_bat_iv {
/**
* struct batadv_orig_node - structure for orig_list maintaining nodes of mesh
- * @orig: originator ethernet address
- * @ifinfo_list: list for routers per outgoing interface
- * @last_bonding_candidate: pointer to last ifinfo of last used router
- * @dat_addr: address of the orig node in the distributed hash
- * @last_seen: time when last packet from this node was received
- * @bcast_seqno_reset: time when the broadcast seqno window was reset
- * @mcast_handler_lock: synchronizes mcast-capability and -flag changes
- * @mcast_flags: multicast flags announced by the orig node
- * @mcast_want_all_unsnoopables_node: a list node for the
- * mcast.want_all_unsnoopables list
- * @mcast_want_all_ipv4_node: a list node for the mcast.want_all_ipv4 list
- * @mcast_want_all_ipv6_node: a list node for the mcast.want_all_ipv6 list
- * @capabilities: announced capabilities of this originator
- * @capa_initialized: bitfield to remember whether a capability was initialized
- * @last_ttvn: last seen translation table version number
- * @tt_buff: last tt changeset this node received from the orig node
- * @tt_buff_len: length of the last tt changeset this node received from the
- * orig node
- * @tt_buff_lock: lock that protects tt_buff and tt_buff_len
- * @tt_lock: prevents from updating the table while reading it. Table update is
- * made up by two operations (data structure update and metdata -CRC/TTVN-
- * recalculation) and they have to be executed atomically in order to avoid
- * another thread to read the table/metadata between those.
- * @bcast_bits: bitfield containing the info which payload broadcast originated
- * from this orig node this host already has seen (relative to
- * last_bcast_seqno)
- * @last_bcast_seqno: last broadcast sequence number received by this host
- * @neigh_list: list of potential next hop neighbor towards this orig node
- * @neigh_list_lock: lock protecting neigh_list and router
- * @hash_entry: hlist node for batadv_priv::orig_hash
- * @bat_priv: pointer to soft_iface this orig node belongs to
- * @bcast_seqno_lock: lock protecting bcast_bits & last_bcast_seqno
- * @refcount: number of contexts the object is used
- * @rcu: struct used for freeing in an RCU-safe manner
- * @in_coding_list: list of nodes this orig can hear
- * @out_coding_list: list of nodes that can hear this orig
- * @in_coding_list_lock: protects in_coding_list
- * @out_coding_list_lock: protects out_coding_list
- * @fragments: array with heads for fragment chains
- * @vlan_list: a list of orig_node_vlan structs, one per VLAN served by the
- * originator represented by this object
- * @vlan_list_lock: lock protecting vlan_list
- * @bat_iv: B.A.T.M.A.N. IV private structure
*/
struct batadv_orig_node {
+ /** @orig: originator ethernet address */
u8 orig[ETH_ALEN];
+
+ /** @ifinfo_list: list for routers per outgoing interface */
struct hlist_head ifinfo_list;
+
+ /**
+ * @last_bonding_candidate: pointer to last ifinfo of last used router
+ */
struct batadv_orig_ifinfo *last_bonding_candidate;
+
#ifdef CONFIG_BATMAN_ADV_DAT
+ /** @dat_addr: address of the orig node in the distributed hash */
batadv_dat_addr_t dat_addr;
#endif
+
+ /** @last_seen: time when last packet from this node was received */
unsigned long last_seen;
+
+ /**
+ * @bcast_seqno_reset: time when the broadcast seqno window was reset
+ */
unsigned long bcast_seqno_reset;
+
#ifdef CONFIG_BATMAN_ADV_MCAST
- /* synchronizes mcast tvlv specific orig changes */
+ /**
+ * @mcast_handler_lock: synchronizes mcast-capability and -flag changes
+ */
spinlock_t mcast_handler_lock;
+
+ /** @mcast_flags: multicast flags announced by the orig node */
u8 mcast_flags;
+
+ /**
+ * @mcast_want_all_unsnoopables_node: a list node for the
+ * mcast.want_all_unsnoopables list
+ */
struct hlist_node mcast_want_all_unsnoopables_node;
+
+ /**
+ * @mcast_want_all_ipv4_node: a list node for the mcast.want_all_ipv4
+ * list
+ */
struct hlist_node mcast_want_all_ipv4_node;
+ /**
+ * @mcast_want_all_ipv6_node: a list node for the mcast.want_all_ipv6
+ * list
+ */
struct hlist_node mcast_want_all_ipv6_node;
#endif
+
+ /** @capabilities: announced capabilities of this originator */
unsigned long capabilities;
+
+ /**
+ * @capa_initialized: bitfield to remember whether a capability was
+ * initialized
+ */
unsigned long capa_initialized;
+
+ /** @last_ttvn: last seen translation table version number */
atomic_t last_ttvn;
+
+ /** @tt_buff: last tt changeset this node received from the orig node */
unsigned char *tt_buff;
+
+ /**
+ * @tt_buff_len: length of the last tt changeset this node received
+ * from the orig node
+ */
s16 tt_buff_len;
- spinlock_t tt_buff_lock; /* protects tt_buff & tt_buff_len */
- /* prevents from changing the table while reading it */
+
+ /** @tt_buff_lock: lock that protects tt_buff and tt_buff_len */
+ spinlock_t tt_buff_lock;
+
+ /**
+ * @tt_lock: prevents from updating the table while reading it. Table
+ * update is made up by two operations (data structure update and
+ * metdata -CRC/TTVN-recalculation) and they have to be executed
+ * atomically in order to avoid another thread to read the
+ * table/metadata between those.
+ */
spinlock_t tt_lock;
+
+ /**
+ * @bcast_bits: bitfield containing the info which payload broadcast
+ * originated from this orig node this host already has seen (relative
+ * to last_bcast_seqno)
+ */
DECLARE_BITMAP(bcast_bits, BATADV_TQ_LOCAL_WINDOW_SIZE);
+
+ /**
+ * @last_bcast_seqno: last broadcast sequence number received by this
+ * host
+ */
u32 last_bcast_seqno;
+
+ /**
+ * @neigh_list: list of potential next hop neighbor towards this orig
+ * node
+ */
struct hlist_head neigh_list;
- /* neigh_list_lock protects: neigh_list, ifinfo_list,
- * last_bonding_candidate and router
+
+ /**
+ * @neigh_list_lock: lock protecting neigh_list, ifinfo_list,
+ * last_bonding_candidate and router
*/
spinlock_t neigh_list_lock;
+
+ /** @hash_entry: hlist node for batadv_priv::orig_hash */
struct hlist_node hash_entry;
+
+ /** @bat_priv: pointer to soft_iface this orig node belongs to */
struct batadv_priv *bat_priv;
- /* bcast_seqno_lock protects: bcast_bits & last_bcast_seqno */
+
+ /** @bcast_seqno_lock: lock protecting bcast_bits & last_bcast_seqno */
spinlock_t bcast_seqno_lock;
+
+ /** @refcount: number of contexts the object is used */
struct kref refcount;
+
+ /** @rcu: struct used for freeing in an RCU-safe manner */
struct rcu_head rcu;
+
#ifdef CONFIG_BATMAN_ADV_NC
+ /** @in_coding_list: list of nodes this orig can hear */
struct list_head in_coding_list;
+
+ /** @out_coding_list: list of nodes that can hear this orig */
struct list_head out_coding_list;
- spinlock_t in_coding_list_lock; /* Protects in_coding_list */
- spinlock_t out_coding_list_lock; /* Protects out_coding_list */
+
+ /** @in_coding_list_lock: protects in_coding_list */
+ spinlock_t in_coding_list_lock;
+
+ /** @out_coding_list_lock: protects out_coding_list */
+ spinlock_t out_coding_list_lock;
#endif
+
+ /** @fragments: array with heads for fragment chains */
struct batadv_frag_table_entry fragments[BATADV_FRAG_BUFFER_COUNT];
+
+ /**
+ * @vlan_list: a list of orig_node_vlan structs, one per VLAN served by
+ * the originator represented by this object
+ */
struct hlist_head vlan_list;
- spinlock_t vlan_list_lock; /* protects vlan_list */
+
+ /** @vlan_list_lock: lock protecting vlan_list */
+ spinlock_t vlan_list_lock;
+
+ /** @bat_iv: B.A.T.M.A.N. IV private structure */
struct batadv_orig_bat_iv bat_iv;
};
/**
* enum batadv_orig_capabilities - orig node capabilities
- * @BATADV_ORIG_CAPA_HAS_DAT: orig node has distributed arp table enabled
- * @BATADV_ORIG_CAPA_HAS_NC: orig node has network coding enabled
- * @BATADV_ORIG_CAPA_HAS_TT: orig node has tt capability
- * @BATADV_ORIG_CAPA_HAS_MCAST: orig node has some multicast capability
- * (= orig node announces a tvlv of type BATADV_TVLV_MCAST)
*/
enum batadv_orig_capabilities {
+ /**
+ * @BATADV_ORIG_CAPA_HAS_DAT: orig node has distributed arp table
+ * enabled
+ */
BATADV_ORIG_CAPA_HAS_DAT,
+
+ /** @BATADV_ORIG_CAPA_HAS_NC: orig node has network coding enabled */
BATADV_ORIG_CAPA_HAS_NC,
+
+ /** @BATADV_ORIG_CAPA_HAS_TT: orig node has tt capability */
BATADV_ORIG_CAPA_HAS_TT,
+
+ /**
+ * @BATADV_ORIG_CAPA_HAS_MCAST: orig node has some multicast capability
+ * (= orig node announces a tvlv of type BATADV_TVLV_MCAST)
+ */
BATADV_ORIG_CAPA_HAS_MCAST,
};
/**
* struct batadv_gw_node - structure for orig nodes announcing gw capabilities
- * @list: list node for batadv_priv_gw::list
- * @orig_node: pointer to corresponding orig node
- * @bandwidth_down: advertised uplink download bandwidth
- * @bandwidth_up: advertised uplink upload bandwidth
- * @refcount: number of contexts the object is used
- * @rcu: struct used for freeing in an RCU-safe manner
*/
struct batadv_gw_node {
+ /** @list: list node for batadv_priv_gw::list */
struct hlist_node list;
+
+ /** @orig_node: pointer to corresponding orig node */
struct batadv_orig_node *orig_node;
+
+ /** @bandwidth_down: advertised uplink download bandwidth */
u32 bandwidth_down;
+
+ /** @bandwidth_up: advertised uplink upload bandwidth */
u32 bandwidth_up;
+
+ /** @refcount: number of contexts the object is used */
struct kref refcount;
+
+ /** @rcu: struct used for freeing in an RCU-safe manner */
struct rcu_head rcu;
};
@@ -408,118 +563,161 @@ DECLARE_EWMA(throughput, 10, 8)
/**
* struct batadv_hardif_neigh_node_bat_v - B.A.T.M.A.N. V private neighbor
* information
- * @throughput: ewma link throughput towards this neighbor
- * @elp_interval: time interval between two ELP transmissions
- * @elp_latest_seqno: latest and best known ELP sequence number
- * @last_unicast_tx: when the last unicast packet has been sent to this neighbor
- * @metric_work: work queue callback item for metric update
*/
struct batadv_hardif_neigh_node_bat_v {
+ /** @throughput: ewma link throughput towards this neighbor */
struct ewma_throughput throughput;
+
+ /** @elp_interval: time interval between two ELP transmissions */
u32 elp_interval;
+
+ /** @elp_latest_seqno: latest and best known ELP sequence number */
u32 elp_latest_seqno;
+
+ /**
+ * @last_unicast_tx: when the last unicast packet has been sent to this
+ * neighbor
+ */
unsigned long last_unicast_tx;
+
+ /** @metric_work: work queue callback item for metric update */
struct work_struct metric_work;
};
/**
* struct batadv_hardif_neigh_node - unique neighbor per hard-interface
- * @list: list node for batadv_hard_iface::neigh_list
- * @addr: the MAC address of the neighboring interface
- * @orig: the address of the originator this neighbor node belongs to
- * @if_incoming: pointer to incoming hard-interface
- * @last_seen: when last packet via this neighbor was received
- * @bat_v: B.A.T.M.A.N. V private data
- * @refcount: number of contexts the object is used
- * @rcu: struct used for freeing in a RCU-safe manner
*/
struct batadv_hardif_neigh_node {
+ /** @list: list node for batadv_hard_iface::neigh_list */
struct hlist_node list;
+
+ /** @addr: the MAC address of the neighboring interface */
u8 addr[ETH_ALEN];
+
+ /**
+ * @orig: the address of the originator this neighbor node belongs to
+ */
u8 orig[ETH_ALEN];
+
+ /** @if_incoming: pointer to incoming hard-interface */
struct batadv_hard_iface *if_incoming;
+
+ /** @last_seen: when last packet via this neighbor was received */
unsigned long last_seen;
+
#ifdef CONFIG_BATMAN_ADV_BATMAN_V
+ /** @bat_v: B.A.T.M.A.N. V private data */
struct batadv_hardif_neigh_node_bat_v bat_v;
#endif
+
+ /** @refcount: number of contexts the object is used */
struct kref refcount;
+
+ /** @rcu: struct used for freeing in a RCU-safe manner */
struct rcu_head rcu;
};
/**
* struct batadv_neigh_node - structure for single hops neighbors
- * @list: list node for batadv_orig_node::neigh_list
- * @orig_node: pointer to corresponding orig_node
- * @addr: the MAC address of the neighboring interface
- * @ifinfo_list: list for routing metrics per outgoing interface
- * @ifinfo_lock: lock protecting private ifinfo members and list
- * @if_incoming: pointer to incoming hard-interface
- * @last_seen: when last packet via this neighbor was received
- * @hardif_neigh: hardif_neigh of this neighbor
- * @refcount: number of contexts the object is used
- * @rcu: struct used for freeing in an RCU-safe manner
*/
struct batadv_neigh_node {
+ /** @list: list node for batadv_orig_node::neigh_list */
struct hlist_node list;
+
+ /** @orig_node: pointer to corresponding orig_node */
struct batadv_orig_node *orig_node;
+
+ /** @addr: the MAC address of the neighboring interface */
u8 addr[ETH_ALEN];
+
+ /** @ifinfo_list: list for routing metrics per outgoing interface */
struct hlist_head ifinfo_list;
- spinlock_t ifinfo_lock; /* protects ifinfo_list and its members */
+
+ /** @ifinfo_lock: lock protecting ifinfo_list and its members */
+ spinlock_t ifinfo_lock;
+
+ /** @if_incoming: pointer to incoming hard-interface */
struct batadv_hard_iface *if_incoming;
+
+ /** @last_seen: when last packet via this neighbor was received */
unsigned long last_seen;
+
+ /** @hardif_neigh: hardif_neigh of this neighbor */
struct batadv_hardif_neigh_node *hardif_neigh;
+
+ /** @refcount: number of contexts the object is used */
struct kref refcount;
+
+ /** @rcu: struct used for freeing in an RCU-safe manner */
struct rcu_head rcu;
};
/**
* struct batadv_neigh_ifinfo_bat_iv - neighbor information per outgoing
* interface for B.A.T.M.A.N. IV
- * @tq_recv: ring buffer of received TQ values from this neigh node
- * @tq_index: ring buffer index
- * @tq_avg: averaged tq of all tq values in the ring buffer (tq_recv)
- * @real_bits: bitfield containing the number of OGMs received from this neigh
- * node (relative to orig_node->last_real_seqno)
- * @real_packet_count: counted result of real_bits
*/
struct batadv_neigh_ifinfo_bat_iv {
+ /** @tq_recv: ring buffer of received TQ values from this neigh node */
u8 tq_recv[BATADV_TQ_GLOBAL_WINDOW_SIZE];
+
+ /** @tq_index: ring buffer index */
u8 tq_index;
+
+ /**
+ * @tq_avg: averaged tq of all tq values in the ring buffer (tq_recv)
+ */
u8 tq_avg;
+
+ /**
+ * @real_bits: bitfield containing the number of OGMs received from this
+ * neigh node (relative to orig_node->last_real_seqno)
+ */
DECLARE_BITMAP(real_bits, BATADV_TQ_LOCAL_WINDOW_SIZE);
+
+ /** @real_packet_count: counted result of real_bits */
u8 real_packet_count;
};
/**
* struct batadv_neigh_ifinfo_bat_v - neighbor information per outgoing
* interface for B.A.T.M.A.N. V
- * @throughput: last throughput metric received from originator via this neigh
- * @last_seqno: last sequence number known for this neighbor
*/
struct batadv_neigh_ifinfo_bat_v {
+ /**
+ * @throughput: last throughput metric received from originator via this
+ * neigh
+ */
u32 throughput;
+
+ /** @last_seqno: last sequence number known for this neighbor */
u32 last_seqno;
};
/**
* struct batadv_neigh_ifinfo - neighbor information per outgoing interface
- * @list: list node for batadv_neigh_node::ifinfo_list
- * @if_outgoing: pointer to outgoing hard-interface
- * @bat_iv: B.A.T.M.A.N. IV private structure
- * @bat_v: B.A.T.M.A.N. V private data
- * @last_ttl: last received ttl from this neigh node
- * @refcount: number of contexts the object is used
- * @rcu: struct used for freeing in a RCU-safe manner
*/
struct batadv_neigh_ifinfo {
+ /** @list: list node for batadv_neigh_node::ifinfo_list */
struct hlist_node list;
+
+ /** @if_outgoing: pointer to outgoing hard-interface */
struct batadv_hard_iface *if_outgoing;
+
+ /** @bat_iv: B.A.T.M.A.N. IV private structure */
struct batadv_neigh_ifinfo_bat_iv bat_iv;
+
#ifdef CONFIG_BATMAN_ADV_BATMAN_V
+ /** @bat_v: B.A.T.M.A.N. V private data */
struct batadv_neigh_ifinfo_bat_v bat_v;
#endif
+
+ /** @last_ttl: last received ttl from thi