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@@ -1,3 +1,4 @@
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+/* SPDX-License-Identifier: GPL-2.0 */
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/* Copyright (C) 2007-2017 B.A.T.M.A.N. contributors:
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*
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* Marek Lindner, Simon Wunderlich
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@@ -54,13 +55,15 @@ struct seq_file;
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/**
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* enum batadv_dhcp_recipient - dhcp destination
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- * @BATADV_DHCP_NO: packet is not a dhcp message
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- * @BATADV_DHCP_TO_SERVER: dhcp message is directed to a server
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- * @BATADV_DHCP_TO_CLIENT: dhcp message is directed to a client
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*/
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enum batadv_dhcp_recipient {
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+ /** @BATADV_DHCP_NO: packet is not a dhcp message */
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BATADV_DHCP_NO = 0,
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+
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+ /** @BATADV_DHCP_TO_SERVER: dhcp message is directed to a server */
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BATADV_DHCP_TO_SERVER,
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+
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+ /** @BATADV_DHCP_TO_CLIENT: dhcp message is directed to a client */
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BATADV_DHCP_TO_CLIENT,
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};
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@@ -78,196 +81,274 @@ enum batadv_dhcp_recipient {
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/**
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* struct batadv_hard_iface_bat_iv - per hard-interface B.A.T.M.A.N. IV data
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- * @ogm_buff: buffer holding the OGM packet
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- * @ogm_buff_len: length of the OGM packet buffer
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- * @ogm_seqno: OGM sequence number - used to identify each OGM
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*/
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struct batadv_hard_iface_bat_iv {
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+ /** @ogm_buff: buffer holding the OGM packet */
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unsigned char *ogm_buff;
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+
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+ /** @ogm_buff_len: length of the OGM packet buffer */
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int ogm_buff_len;
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+
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+ /** @ogm_seqno: OGM sequence number - used to identify each OGM */
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atomic_t ogm_seqno;
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};
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/**
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* enum batadv_v_hard_iface_flags - interface flags useful to B.A.T.M.A.N. V
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- * @BATADV_FULL_DUPLEX: tells if the connection over this link is full-duplex
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- * @BATADV_WARNING_DEFAULT: tells whether we have warned the user that no
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- * throughput data is available for this interface and that default values are
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- * assumed.
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*/
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enum batadv_v_hard_iface_flags {
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+ /**
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+ * @BATADV_FULL_DUPLEX: tells if the connection over this link is
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+ * full-duplex
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+ */
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BATADV_FULL_DUPLEX = BIT(0),
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+
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+ /**
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+ * @BATADV_WARNING_DEFAULT: tells whether we have warned the user that
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+ * no throughput data is available for this interface and that default
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+ * values are assumed.
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+ */
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BATADV_WARNING_DEFAULT = BIT(1),
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};
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/**
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* struct batadv_hard_iface_bat_v - per hard-interface B.A.T.M.A.N. V data
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- * @elp_interval: time interval between two ELP transmissions
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- * @elp_seqno: current ELP sequence number
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- * @elp_skb: base skb containing the ELP message to send
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- * @elp_wq: workqueue used to schedule ELP transmissions
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- * @throughput_override: throughput override to disable link auto-detection
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- * @flags: interface specific flags
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*/
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struct batadv_hard_iface_bat_v {
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+ /** @elp_interval: time interval between two ELP transmissions */
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atomic_t elp_interval;
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+
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+ /** @elp_seqno: current ELP sequence number */
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atomic_t elp_seqno;
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+
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+ /** @elp_skb: base skb containing the ELP message to send */
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struct sk_buff *elp_skb;
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+
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+ /** @elp_wq: workqueue used to schedule ELP transmissions */
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struct delayed_work elp_wq;
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+
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+ /**
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+ * @throughput_override: throughput override to disable link
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+ * auto-detection
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+ */
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atomic_t throughput_override;
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+
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+ /** @flags: interface specific flags */
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u8 flags;
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};
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/**
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* enum batadv_hard_iface_wifi_flags - Flags describing the wifi configuration
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* of a batadv_hard_iface
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- * @BATADV_HARDIF_WIFI_WEXT_DIRECT: it is a wext wifi device
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- * @BATADV_HARDIF_WIFI_CFG80211_DIRECT: it is a cfg80211 wifi device
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- * @BATADV_HARDIF_WIFI_WEXT_INDIRECT: link device is a wext wifi device
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- * @BATADV_HARDIF_WIFI_CFG80211_INDIRECT: link device is a cfg80211 wifi device
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*/
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enum batadv_hard_iface_wifi_flags {
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+ /** @BATADV_HARDIF_WIFI_WEXT_DIRECT: it is a wext wifi device */
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BATADV_HARDIF_WIFI_WEXT_DIRECT = BIT(0),
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+
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+ /** @BATADV_HARDIF_WIFI_CFG80211_DIRECT: it is a cfg80211 wifi device */
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BATADV_HARDIF_WIFI_CFG80211_DIRECT = BIT(1),
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+
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+ /**
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+ * @BATADV_HARDIF_WIFI_WEXT_INDIRECT: link device is a wext wifi device
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+ */
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BATADV_HARDIF_WIFI_WEXT_INDIRECT = BIT(2),
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+
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+ /**
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+ * @BATADV_HARDIF_WIFI_CFG80211_INDIRECT: link device is a cfg80211 wifi
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+ * device
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+ */
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BATADV_HARDIF_WIFI_CFG80211_INDIRECT = BIT(3),
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};
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/**
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* struct batadv_hard_iface - network device known to batman-adv
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- * @list: list node for batadv_hardif_list
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- * @if_num: identificator of the interface
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- * @if_status: status of the interface for batman-adv
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- * @num_bcasts: number of payload re-broadcasts on this interface (ARQ)
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- * @wifi_flags: flags whether this is (directly or indirectly) a wifi interface
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- * @net_dev: pointer to the net_device
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- * @hardif_obj: kobject of the per interface sysfs "mesh" directory
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- * @refcount: number of contexts the object is used
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- * @batman_adv_ptype: packet type describing packets that should be processed by
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- * batman-adv for this interface
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- * @soft_iface: the batman-adv interface which uses this network interface
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- * @rcu: struct used for freeing in an RCU-safe manner
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- * @bat_iv: per hard-interface B.A.T.M.A.N. IV data
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- * @bat_v: per hard-interface B.A.T.M.A.N. V data
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- * @debug_dir: dentry for nc subdir in batman-adv directory in debugfs
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- * @neigh_list: list of unique single hop neighbors via this interface
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- * @neigh_list_lock: lock protecting neigh_list
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*/
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struct batadv_hard_iface {
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+ /** @list: list node for batadv_hardif_list */
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struct list_head list;
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+
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+ /** @if_num: identificator of the interface */
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s16 if_num;
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+
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+ /** @if_status: status of the interface for batman-adv */
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char if_status;
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+
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+ /**
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+ * @num_bcasts: number of payload re-broadcasts on this interface (ARQ)
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+ */
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u8 num_bcasts;
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+
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+ /**
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+ * @wifi_flags: flags whether this is (directly or indirectly) a wifi
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+ * interface
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+ */
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u32 wifi_flags;
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+
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+ /** @net_dev: pointer to the net_device */
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struct net_device *net_dev;
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+
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+ /** @hardif_obj: kobject of the per interface sysfs "mesh" directory */
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struct kobject *hardif_obj;
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+
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+ /** @refcount: number of contexts the object is used */
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struct kref refcount;
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+
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+ /**
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+ * @batman_adv_ptype: packet type describing packets that should be
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+ * processed by batman-adv for this interface
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+ */
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struct packet_type batman_adv_ptype;
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+
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+ /**
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+ * @soft_iface: the batman-adv interface which uses this network
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+ * interface
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+ */
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struct net_device *soft_iface;
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+
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+ /** @rcu: struct used for freeing in an RCU-safe manner */
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struct rcu_head rcu;
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+
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+ /** @bat_iv: per hard-interface B.A.T.M.A.N. IV data */
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struct batadv_hard_iface_bat_iv bat_iv;
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+
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#ifdef CONFIG_BATMAN_ADV_BATMAN_V
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+ /** @bat_v: per hard-interface B.A.T.M.A.N. V data */
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struct batadv_hard_iface_bat_v bat_v;
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#endif
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+
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+ /**
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+ * @debug_dir: dentry for nc subdir in batman-adv directory in debugfs
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+ */
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struct dentry *debug_dir;
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+
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+ /**
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+ * @neigh_list: list of unique single hop neighbors via this interface
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+ */
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struct hlist_head neigh_list;
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- /* neigh_list_lock protects: neigh_list */
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+
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+ /** @neigh_list_lock: lock protecting neigh_list */
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spinlock_t neigh_list_lock;
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};
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/**
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* struct batadv_orig_ifinfo - originator info per outgoing interface
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- * @list: list node for orig_node::ifinfo_list
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- * @if_outgoing: pointer to outgoing hard-interface
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- * @router: router that should be used to reach this originator
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- * @last_real_seqno: last and best known sequence number
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- * @last_ttl: ttl of last received packet
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- * @last_seqno_forwarded: seqno of the OGM which was forwarded last
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- * @batman_seqno_reset: time when the batman seqno window was reset
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- * @refcount: number of contexts the object is used
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- * @rcu: struct used for freeing in an RCU-safe manner
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*/
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struct batadv_orig_ifinfo {
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+ /** @list: list node for &batadv_orig_node.ifinfo_list */
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struct hlist_node list;
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+
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+ /** @if_outgoing: pointer to outgoing hard-interface */
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struct batadv_hard_iface *if_outgoing;
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- struct batadv_neigh_node __rcu *router; /* rcu protected pointer */
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+
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+ /** @router: router that should be used to reach this originator */
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+ struct batadv_neigh_node __rcu *router;
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+
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+ /** @last_real_seqno: last and best known sequence number */
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u32 last_real_seqno;
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+
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+ /** @last_ttl: ttl of last received packet */
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u8 last_ttl;
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+
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+ /** @last_seqno_forwarded: seqno of the OGM which was forwarded last */
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u32 last_seqno_forwarded;
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+
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+ /** @batman_seqno_reset: time when the batman seqno window was reset */
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unsigned long batman_seqno_reset;
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+
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+ /** @refcount: number of contexts the object is used */
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struct kref refcount;
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+
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+ /** @rcu: struct used for freeing in an RCU-safe manner */
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struct rcu_head rcu;
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};
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/**
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* struct batadv_frag_table_entry - head in the fragment buffer table
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- * @fragment_list: head of list with fragments
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- * @lock: lock to protect the list of fragments
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- * @timestamp: time (jiffie) of last received fragment
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- * @seqno: sequence number of the fragments in the list
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- * @size: accumulated size of packets in list
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- * @total_size: expected size of the assembled packet
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*/
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struct batadv_frag_table_entry {
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+ /** @fragment_list: head of list with fragments */
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struct hlist_head fragment_list;
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- spinlock_t lock; /* protects fragment_list */
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+
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+ /** @lock: lock to protect the list of fragments */
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+ spinlock_t lock;
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+
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+ /** @timestamp: time (jiffie) of last received fragment */
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unsigned long timestamp;
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+
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+ /** @seqno: sequence number of the fragments in the list */
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u16 seqno;
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+
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+ /** @size: accumulated size of packets in list */
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u16 size;
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+
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+ /** @total_size: expected size of the assembled packet */
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u16 total_size;
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};
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/**
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* struct batadv_frag_list_entry - entry in a list of fragments
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- * @list: list node information
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- * @skb: fragment
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- * @no: fragment number in the set
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*/
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struct batadv_frag_list_entry {
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+ /** @list: list node information */
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struct hlist_node list;
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+
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+ /** @skb: fragment */
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struct sk_buff *skb;
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+
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+ /** @no: fragment number in the set */
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u8 no;
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};
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/**
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* struct batadv_vlan_tt - VLAN specific TT attributes
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- * @crc: CRC32 checksum of the entries belonging to this vlan
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- * @num_entries: number of TT entries for this VLAN
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*/
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struct batadv_vlan_tt {
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+ /** @crc: CRC32 checksum of the entries belonging to this vlan */
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u32 crc;
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+
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+ /** @num_entries: number of TT entries for this VLAN */
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atomic_t num_entries;
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};
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/**
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* struct batadv_orig_node_vlan - VLAN specific data per orig_node
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- * @vid: the VLAN identifier
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- * @tt: VLAN specific TT attributes
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- * @list: list node for orig_node::vlan_list
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- * @refcount: number of context where this object is currently in use
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- * @rcu: struct used for freeing in a RCU-safe manner
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*/
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struct batadv_orig_node_vlan {
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+ /** @vid: the VLAN identifier */
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unsigned short vid;
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+
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+ /** @tt: VLAN specific TT attributes */
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struct batadv_vlan_tt tt;
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+
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+ /** @list: list node for &batadv_orig_node.vlan_list */
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struct hlist_node list;
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+
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+ /**
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+ * @refcount: number of context where this object is currently in use
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+ */
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struct kref refcount;
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+
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+ /** @rcu: struct used for freeing in a RCU-safe manner */
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struct rcu_head rcu;
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};
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/**
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* struct batadv_orig_bat_iv - B.A.T.M.A.N. IV private orig_node members
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- * @bcast_own: set of bitfields (one per hard-interface) where each one counts
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- * the number of our OGMs this orig_node rebroadcasted "back" to us (relative
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- * to last_real_seqno). Every bitfield is BATADV_TQ_LOCAL_WINDOW_SIZE bits long.
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- * @bcast_own_sum: sum of bcast_own
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- * @ogm_cnt_lock: lock protecting bcast_own, bcast_own_sum,
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- * neigh_node->bat_iv.real_bits & neigh_node->bat_iv.real_packet_count
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*/
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struct batadv_orig_bat_iv {
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+ /**
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+ * @bcast_own: set of bitfields (one per hard-interface) where each one
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+ * counts the number of our OGMs this orig_node rebroadcasted "back" to
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+ * us (relative to last_real_seqno). Every bitfield is
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+ * BATADV_TQ_LOCAL_WINDOW_SIZE bits long.
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+ */
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unsigned long *bcast_own;
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+
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+ /** @bcast_own_sum: sum of bcast_own */
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u8 *bcast_own_sum;
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- /* ogm_cnt_lock protects: bcast_own, bcast_own_sum,
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+
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+ /**
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+ * @ogm_cnt_lock: lock protecting bcast_own, bcast_own_sum,
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* neigh_node->bat_iv.real_bits & neigh_node->bat_iv.real_packet_count
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*/
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spinlock_t ogm_cnt_lock;
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@@ -275,130 +356,205 @@ struct batadv_orig_bat_iv {
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/**
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* struct batadv_orig_node - structure for orig_list maintaining nodes of mesh
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- * @orig: originator ethernet address
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- * @ifinfo_list: list for routers per outgoing interface
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- * @last_bonding_candidate: pointer to last ifinfo of last used router
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- * @dat_addr: address of the orig node in the distributed hash
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- * @last_seen: time 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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- * @mcast_handler_lock: synchronizes mcast-capability and -flag changes
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- * @mcast_flags: multicast flags announced by the orig node
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- * @mcast_want_all_unsnoopables_node: a list node for the
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- * mcast.want_all_unsnoopables list
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- * @mcast_want_all_ipv4_node: a list node for the mcast.want_all_ipv4 list
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- * @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;
|
|
|
};
|
|
|
|
|
|
@@ -407,118 +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 this neigh node */
|
|
|
u8 last_ttl;
|
|
|
+
|
|
|
+ /** @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;
|
|
|
};
|
|
|
|
|
|
@@ -526,148 +725,278 @@ struct batadv_neigh_ifinfo {
|
|
|
|
|
|
/**
|
|
|
* struct batadv_bcast_duplist_entry - structure for LAN broadcast suppression
|
|
|
- * @orig: mac address of orig node orginating the broadcast
|
|
|
- * @crc: crc32 checksum of broadcast payload
|
|
|
- * @entrytime: time when the broadcast packet was received
|
|
|
*/
|
|
|
struct batadv_bcast_duplist_entry {
|
|
|
+ /** @orig: mac address of orig node orginating the broadcast */
|
|
|
u8 orig[ETH_ALEN];
|
|
|
+
|
|
|
+ /** @crc: crc32 checksum of broadcast payload */
|
|
|
__be32 crc;
|
|
|
+
|
|
|
+ /** @entrytime: time when the broadcast packet was received */
|
|
|
unsigned long entrytime;
|
|
|
};
|
|
|
#endif
|
|
|
|
|
|
/**
|
|
|
* enum batadv_counters - indices for traffic counters
|
|
|
- * @BATADV_CNT_TX: transmitted payload traffic packet counter
|
|
|
- * @BATADV_CNT_TX_BYTES: transmitted payload traffic bytes counter
|
|
|
- * @BATADV_CNT_TX_DROPPED: dropped transmission payload traffic packet counter
|
|
|
- * @BATADV_CNT_RX: received payload traffic packet counter
|
|
|
- * @BATADV_CNT_RX_BYTES: received payload traffic bytes counter
|
|
|
- * @BATADV_CNT_FORWARD: forwarded payload traffic packet counter
|
|
|
- * @BATADV_CNT_FORWARD_BYTES: forwarded payload traffic bytes counter
|
|
|
- * @BATADV_CNT_MGMT_TX: transmitted routing protocol traffic packet counter
|
|
|
- * @BATADV_CNT_MGMT_TX_BYTES: transmitted routing protocol traffic bytes counter
|
|
|
- * @BATADV_CNT_MGMT_RX: received routing protocol traffic packet counter
|
|
|
- * @BATADV_CNT_MGMT_RX_BYTES: received routing protocol traffic bytes counter
|
|
|
- * @BATADV_CNT_FRAG_TX: transmitted fragment traffic packet counter
|
|
|
- * @BATADV_CNT_FRAG_TX_BYTES: transmitted fragment traffic bytes counter
|
|
|
- * @BATADV_CNT_FRAG_RX: received fragment traffic packet counter
|
|
|
- * @BATADV_CNT_FRAG_RX_BYTES: received fragment traffic bytes counter
|
|
|
- * @BATADV_CNT_FRAG_FWD: forwarded fragment traffic packet counter
|
|
|
- * @BATADV_CNT_FRAG_FWD_BYTES: forwarded fragment traffic bytes counter
|
|
|
- * @BATADV_CNT_TT_REQUEST_TX: transmitted tt req traffic packet counter
|
|
|
- * @BATADV_CNT_TT_REQUEST_RX: received tt req traffic packet counter
|
|
|
- * @BATADV_CNT_TT_RESPONSE_TX: transmitted tt resp traffic packet counter
|
|
|
- * @BATADV_CNT_TT_RESPONSE_RX: received tt resp traffic packet counter
|
|
|
- * @BATADV_CNT_TT_ROAM_ADV_TX: transmitted tt roam traffic packet counter
|
|
|
- * @BATADV_CNT_TT_ROAM_ADV_RX: received tt roam traffic packet counter
|
|
|
- * @BATADV_CNT_DAT_GET_TX: transmitted dht GET traffic packet counter
|
|
|
- * @BATADV_CNT_DAT_GET_RX: received dht GET traffic packet counter
|
|
|
- * @BATADV_CNT_DAT_PUT_TX: transmitted dht PUT traffic packet counter
|
|
|
- * @BATADV_CNT_DAT_PUT_RX: received dht PUT traffic packet counter
|
|
|
- * @BATADV_CNT_DAT_CACHED_REPLY_TX: transmitted dat cache reply traffic packet
|
|
|
- * counter
|
|
|
- * @BATADV_CNT_NC_CODE: transmitted nc-combined traffic packet counter
|
|
|
- * @BATADV_CNT_NC_CODE_BYTES: transmitted nc-combined traffic bytes counter
|
|
|
- * @BATADV_CNT_NC_RECODE: transmitted nc-recombined traffic packet counter
|
|
|
- * @BATADV_CNT_NC_RECODE_BYTES: transmitted nc-recombined traffic bytes counter
|
|
|
- * @BATADV_CNT_NC_BUFFER: counter for packets buffered for later nc decoding
|
|
|
- * @BATADV_CNT_NC_DECODE: received and nc-decoded traffic packet counter
|
|
|
- * @BATADV_CNT_NC_DECODE_BYTES: received and nc-decoded traffic bytes counter
|
|
|
- * @BATADV_CNT_NC_DECODE_FAILED: received and decode-failed traffic packet
|
|
|
- * counter
|
|
|
- * @BATADV_CNT_NC_SNIFFED: counter for nc-decoded packets received in promisc
|
|
|
- * mode.
|
|
|
- * @BATADV_CNT_NUM: number of traffic counters
|
|
|
*/
|
|
|
enum batadv_counters {
|
|
|
+ /** @BATADV_CNT_TX: transmitted payload traffic packet counter */
|
|
|
BATADV_CNT_TX,
|
|
|
+
|
|
|
+ /** @BATADV_CNT_TX_BYTES: transmitted payload traffic bytes counter */
|
|
|
BATADV_CNT_TX_BYTES,
|
|
|
+
|
|
|
+ /**
|
|
|
+ * @BATADV_CNT_TX_DROPPED: dropped transmission payload traffic packet
|
|
|
+ * counter
|
|
|
+ */
|
|
|
BATADV_CNT_TX_DROPPED,
|
|
|
+
|
|
|
+ /** @BATADV_CNT_RX: received payload traffic packet counter */
|
|
|
BATADV_CNT_RX,
|
|
|
+
|
|
|
+ /** @BATADV_CNT_RX_BYTES: received payload traffic bytes counter */
|
|
|
BATADV_CNT_RX_BYTES,
|
|
|
+
|
|
|
+ /** @BATADV_CNT_FORWARD: forwarded payload traffic packet counter */
|
|
|
BATADV_CNT_FORWARD,
|
|
|
+
|
|
|
+ /**
|
|
|
+ * @BATADV_CNT_FORWARD_BYTES: forwarded payload traffic bytes counter
|
|
|
+ */
|
|
|
BATADV_CNT_FORWARD_BYTES,
|
|
|
+
|
|
|
+ /**
|
|
|
+ * @BATADV_CNT_MGMT_TX: transmitted routing protocol traffic packet
|
|
|
+ * counter
|
|
|
+ */
|
|
|
BATADV_CNT_MGMT_TX,
|
|
|
+
|
|
|
+ /**
|
|
|
+ * @BATADV_CNT_MGMT_TX_BYTES: transmitted routing protocol traffic bytes
|
|
|
+ * counter
|
|
|
+ */
|
|
|
BATADV_CNT_MGMT_TX_BYTES,
|
|
|
+
|
|
|
+ /**
|
|
|
+ * @BATADV_CNT_MGMT_RX: received routing protocol traffic packet counter
|
|
|
+ */
|
|
|
BATADV_CNT_MGMT_RX,
|
|
|
+
|
|
|
+ /**
|
|
|
+ * @BATADV_CNT_MGMT_RX_BYTES: received routing protocol traffic bytes
|
|
|
+ * counter
|
|
|
+ */
|
|
|
BATADV_CNT_MGMT_RX_BYTES,
|
|
|
+
|
|
|
+ /** @BATADV_CNT_FRAG_TX: transmitted fragment traffic packet counter */
|
|
|
BATADV_CNT_FRAG_TX,
|
|
|
+
|
|
|
+ /**
|
|
|
+ * @BATADV_CNT_FRAG_TX_BYTES: transmitted fragment traffic bytes counter
|
|
|
+ */
|
|
|
BATADV_CNT_FRAG_TX_BYTES,
|
|
|
+
|
|
|
+ /** @BATADV_CNT_FRAG_RX: received fragment traffic packet counter */
|
|
|
BATADV_CNT_FRAG_RX,
|
|
|
+
|
|
|
+ /**
|
|
|
+ * @BATADV_CNT_FRAG_RX_BYTES: received fragment traffic bytes counter
|
|
|
+ */
|
|
|
BATADV_CNT_FRAG_RX_BYTES,
|
|
|
+
|
|
|
+ /** @BATADV_CNT_FRAG_FWD: forwarded fragment traffic packet counter */
|
|
|
BATADV_CNT_FRAG_FWD,
|
|
|
+
|
|
|
+ /**
|
|
|
+ * @BATADV_CNT_FRAG_FWD_BYTES: forwarded fragment traffic bytes counter
|
|
|
+ */
|
|
|
BATADV_CNT_FRAG_FWD_BYTES,
|
|
|
+
|
|
|
+ /**
|
|
|
+ * @BATADV_CNT_TT_REQUEST_TX: transmitted tt req traffic packet counter
|
|
|
+ */
|
|
|
BATADV_CNT_TT_REQUEST_TX,
|
|
|
+
|
|
|
+ /** @BATADV_CNT_TT_REQUEST_RX: received tt req traffic packet counter */
|
|
|
BATADV_CNT_TT_REQUEST_RX,
|
|
|
+
|
|
|
+ /**
|
|
|
+ * @BATADV_CNT_TT_RESPONSE_TX: transmitted tt resp traffic packet
|
|
|
+ * counter
|
|
|
+ */
|
|
|
BATADV_CNT_TT_RESPONSE_TX,
|
|
|
+
|
|
|
+ /**
|
|
|
+ * @BATADV_CNT_TT_RESPONSE_RX: received tt resp traffic packet counter
|
|
|
+ */
|
|
|
BATADV_CNT_TT_RESPONSE_RX,
|
|
|
+
|
|
|
+ /**
|
|
|
+ * @BATADV_CNT_TT_ROAM_ADV_TX: transmitted tt roam traffic packet
|
|
|
+ * counter
|
|
|
+ */
|
|
|
BATADV_CNT_TT_ROAM_ADV_TX,
|
|
|
+
|
|
|
+ /**
|
|
|
+ * @BATADV_CNT_TT_ROAM_ADV_RX: received tt roam traffic packet counter
|
|
|
+ */
|
|
|
BATADV_CNT_TT_ROAM_ADV_RX,
|
|
|
+
|
|
|
#ifdef CONFIG_BATMAN_ADV_DAT
|
|
|
+ /**
|
|
|
+ * @BATADV_CNT_DAT_GET_TX: transmitted dht GET traffic packet counter
|
|
|
+ */
|
|
|
BATADV_CNT_DAT_GET_TX,
|
|
|
+
|
|
|
+ /** @BATADV_CNT_DAT_GET_RX: received dht GET traffic packet counter */
|
|
|
BATADV_CNT_DAT_GET_RX,
|
|
|
+
|
|
|
+ /**
|
|
|
+ * @BATADV_CNT_DAT_PUT_TX: transmitted dht PUT traffic packet counter
|
|
|
+ */
|
|
|
BATADV_CNT_DAT_PUT_TX,
|
|
|
+
|
|
|
+ /** @BATADV_CNT_DAT_PUT_RX: received dht PUT traffic packet counter */
|
|
|
BATADV_CNT_DAT_PUT_RX,
|
|
|
+
|
|
|
+ /**
|
|
|
+ * @BATADV_CNT_DAT_CACHED_REPLY_TX: transmitted dat cache reply traffic
|
|
|
+ * packet counter
|
|
|
+ */
|
|
|
BATADV_CNT_DAT_CACHED_REPLY_TX,
|
|
|
#endif
|
|
|
+
|
|
|
#ifdef CONFIG_BATMAN_ADV_NC
|
|
|
+ /**
|
|
|
+ * @BATADV_CNT_NC_CODE: transmitted nc-combined traffic packet counter
|
|
|
+ */
|
|
|
BATADV_CNT_NC_CODE,
|
|
|
+
|
|
|
+ /**
|
|
|
+ * @BATADV_CNT_NC_CODE_BYTES: transmitted nc-combined traffic bytes
|
|
|
+ * counter
|
|
|
+ */
|
|
|
BATADV_CNT_NC_CODE_BYTES,
|
|
|
+
|
|
|
+ /**
|
|
|
+ * @BATADV_CNT_NC_RECODE: transmitted nc-recombined traffic packet
|
|
|
+ * counter
|
|
|
+ */
|
|
|
BATADV_CNT_NC_RECODE,
|
|
|
+
|
|
|
+ /**
|
|
|
+ * @BATADV_CNT_NC_RECODE_BYTES: transmitted nc-recombined traffic bytes
|
|
|
+ * counter
|
|
|
+ */
|
|
|
BATADV_CNT_NC_RECODE_BYTES,
|
|
|
+
|
|
|
+ /**
|
|
|
+ * @BATADV_CNT_NC_BUFFER: counter for packets buffered for later nc
|
|
|
+ * decoding
|
|
|
+ */
|
|
|
BATADV_CNT_NC_BUFFER,
|
|
|
+
|
|
|
+ /**
|
|
|
+ * @BATADV_CNT_NC_DECODE: received and nc-decoded traffic packet counter
|
|
|
+ */
|
|
|
BATADV_CNT_NC_DECODE,
|
|
|
+
|
|
|
+ /**
|
|
|
+ * @BATADV_CNT_NC_DECODE_BYTES: received and nc-decoded traffic bytes
|
|
|
+ * counter
|
|
|
+ */
|
|
|
BATADV_CNT_NC_DECODE_BYTES,
|
|
|
+
|
|
|
+ /**
|
|
|
+ * @BATADV_CNT_NC_DECODE_FAILED: received and decode-failed traffic
|
|
|
+ * packet counter
|
|
|
+ */
|
|
|
BATADV_CNT_NC_DECODE_FAILED,
|
|
|
+
|
|
|
+ /**
|
|
|
+ * @BATADV_CNT_NC_SNIFFED: counter for nc-decoded packets received in
|
|
|
+ * promisc mode.
|
|
|
+ */
|
|
|
BATADV_CNT_NC_SNIFFED,
|
|
|
#endif
|
|
|
+
|
|
|
+ /** @BATADV_CNT_NUM: number of traffic counters */
|
|
|
BATADV_CNT_NUM,
|
|
|
};
|
|
|
|
|
|
/**
|
|
|
* struct batadv_priv_tt - per mesh interface translation table data
|
|
|
- * @vn: translation table version number
|
|
|
- * @ogm_append_cnt: counter of number of OGMs containing the local tt diff
|
|
|
- * @local_changes: changes registered in an originator interval
|
|
|
- * @changes_list: tracks tt local changes within an originator interval
|
|
|
- * @local_hash: local translation table hash table
|
|
|
- * @global_hash: global translation table hash table
|
|
|
- * @req_list: list of pending & unanswered tt_requests
|
|
|
- * @roam_list: list of the last roaming events of each client limiting the
|
|
|
- * number of roaming events to avoid route flapping
|
|
|
- * @changes_list_lock: lock protecting changes_list
|
|
|
- * @req_list_lock: lock protecting req_list
|
|
|
- * @roam_list_lock: lock protecting roam_list
|
|
|
- * @last_changeset: last tt changeset this host has generated
|
|
|
- * @last_changeset_len: length of last tt changeset this host has generated
|
|
|
- * @last_changeset_lock: lock protecting last_changeset & last_changeset_len
|
|
|
- * @commit_lock: prevents from executing a local TT commit while reading the
|
|
|
- * local table. The local TT commit 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.
|
|
|
- * @work: work queue callback item for translation table purging
|
|
|
*/
|
|
|
struct batadv_priv_tt {
|
|
|
+ /** @vn: translation table version number */
|
|
|
atomic_t vn;
|
|
|
+
|
|
|
+ /**
|
|
|
+ * @ogm_append_cnt: counter of number of OGMs containing the local tt
|
|
|
+ * diff
|
|
|
+ */
|
|
|
atomic_t ogm_append_cnt;
|
|
|
+
|
|
|
+ /** @local_changes: changes registered in an originator interval */
|
|
|
atomic_t local_changes;
|
|
|
+
|
|
|
+ /**
|
|
|
+ * @changes_list: tracks tt local changes within an originator interval
|
|
|
+ */
|
|
|
struct list_head changes_list;
|
|
|
+
|
|
|
+ /** @local_hash: local translation table hash table */
|
|
|
struct batadv_hashtable *local_hash;
|
|
|
+
|
|
|
+ /** @global_hash: global translation table hash table */
|
|
|
struct batadv_hashtable *global_hash;
|
|
|
+
|
|
|
+ /** @req_list: list of pending & unanswered tt_requests */
|
|
|
struct hlist_head req_list;
|
|
|
+
|
|
|
+ /**
|
|
|
+ * @roam_list: list of the last roaming events of each client limiting
|
|
|
+ * the number of roaming events to avoid route flapping
|
|
|
+ */
|
|
|
struct list_head roam_list;
|
|
|
- spinlock_t changes_list_lock; /* protects changes */
|
|
|
- spinlock_t req_list_lock; /* protects req_list */
|
|
|
- spinlock_t roam_list_lock; /* protects roam_list */
|
|
|
+
|
|
|
+ /** @changes_list_lock: lock protecting changes_list */
|
|
|
+ spinlock_t changes_list_lock;
|
|
|
+
|
|
|
+ /** @req_list_lock: lock protecting req_list */
|
|
|
+ spinlock_t req_list_lock;
|
|
|
+
|
|
|
+ /** @roam_list_lock: lock protecting roam_list */
|
|
|
+ spinlock_t roam_list_lock;
|
|
|
+
|
|
|
+ /** @last_changeset: last tt changeset this host has generated */
|
|
|
unsigned char *last_changeset;
|
|
|
+
|
|
|
+ /**
|
|
|
+ * @last_changeset_len: length of last tt changeset this host has
|
|
|
+ * generated
|
|
|
+ */
|
|
|
s16 last_changeset_len;
|
|
|
- /* protects last_changeset & last_changeset_len */
|
|
|
+
|
|
|
+ /**
|
|
|
+ * @last_changeset_lock: lock protecting last_changeset &
|
|
|
+ * last_changeset_len
|
|
|
+ */
|
|
|
spinlock_t last_changeset_lock;
|
|
|
- /* prevents from executing a commit while reading the table */
|
|
|
+
|
|
|
+ /**
|
|
|
+ * @commit_lock: prevents from executing a local TT commit while reading
|
|
|
+ * the local table. The local TT commit 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 commit_lock;
|
|
|
+
|
|
|
+ /** @work: work queue callback item for translation table purging */
|
|
|
struct delayed_work work;
|
|
|
};
|
|
|
|
|
|
@@ -675,31 +1004,57 @@ struct batadv_priv_tt {
|
|
|
|
|
|
/**
|
|
|
* struct batadv_priv_bla - per mesh interface bridge loope avoidance data
|
|
|
- * @num_requests: number of bla requests in flight
|
|
|
- * @claim_hash: hash table containing mesh nodes this host has claimed
|
|
|
- * @backbone_hash: hash table containing all detected backbone gateways
|
|
|
- * @loopdetect_addr: MAC address used for own loopdetection frames
|
|
|
- * @loopdetect_lasttime: time when the loopdetection frames were sent
|
|
|
- * @loopdetect_next: how many periods to wait for the next loopdetect process
|
|
|
- * @bcast_duplist: recently received broadcast packets array (for broadcast
|
|
|
- * duplicate suppression)
|
|
|
- * @bcast_duplist_curr: index of last broadcast packet added to bcast_duplist
|
|
|
- * @bcast_duplist_lock: lock protecting bcast_duplist & bcast_duplist_curr
|
|
|
- * @claim_dest: local claim data (e.g. claim group)
|
|
|
- * @work: work queue callback item for cleanups & bla announcements
|
|
|
*/
|
|
|
struct batadv_priv_bla {
|
|
|
+ /** @num_requests: number of bla requests in flight */
|
|
|
atomic_t num_requests;
|
|
|
+
|
|
|
+ /**
|
|
|
+ * @claim_hash: hash table containing mesh nodes this host has claimed
|
|
|
+ */
|
|
|
struct batadv_hashtable *claim_hash;
|
|
|
+
|
|
|
+ /**
|
|
|
+ * @backbone_hash: hash table containing all detected backbone gateways
|
|
|
+ */
|
|
|
struct batadv_hashtable *backbone_hash;
|
|
|
+
|
|
|
+ /** @loopdetect_addr: MAC address used for own loopdetection frames */
|
|
|
u8 loopdetect_addr[ETH_ALEN];
|
|
|
+
|
|
|
+ /**
|
|
|
+ * @loopdetect_lasttime: time when the loopdetection frames were sent
|
|
|
+ */
|
|
|
unsigned long loopdetect_lasttime;
|
|
|
+
|
|
|
+ /**
|
|
|
+ * @loopdetect_next: how many periods to wait for the next loopdetect
|
|
|
+ * process
|
|
|
+ */
|
|
|
atomic_t loopdetect_next;
|
|
|
+
|
|
|
+ /**
|
|
|
+ * @bcast_duplist: recently received broadcast packets array (for
|
|
|
+ * broadcast duplicate suppression)
|
|
|
+ */
|
|
|
struct batadv_bcast_duplist_entry bcast_duplist[BATADV_DUPLIST_SIZE];
|
|
|
+
|
|
|
+ /**
|
|
|
+ * @bcast_duplist_curr: index of last broadcast packet added to
|
|
|
+ * bcast_duplist
|
|
|
+ */
|
|
|
int bcast_duplist_curr;
|
|
|
- /* protects bcast_duplist & bcast_duplist_curr */
|
|
|
+
|
|
|
+ /**
|
|
|
+ * @bcast_duplist_lock: lock protecting bcast_duplist &
|
|
|
+ * bcast_duplist_curr
|
|
|
+ */
|
|
|
spinlock_t bcast_duplist_lock;
|
|
|
+
|
|
|
+ /** @claim_dest: local claim data (e.g. claim group) */
|
|
|
struct batadv_bla_claim_dst claim_dest;
|
|
|
+
|
|
|
+ /** @work: work queue callback item for cleanups & bla announcements */
|
|
|
struct delayed_work work;
|
|
|
};
|
|
|
#endif
|
|
|
@@ -708,68 +1063,94 @@ struct batadv_priv_bla {
|
|
|
|
|
|
/**
|
|
|
* struct batadv_priv_debug_log - debug logging data
|
|
|
- * @log_buff: buffer holding the logs (ring bufer)
|
|
|
- * @log_start: index of next character to read
|
|
|
- * @log_end: index of next character to write
|
|
|
- * @lock: lock protecting log_buff, log_start & log_end
|
|
|
- * @queue_wait: log reader's wait queue
|
|
|
*/
|
|
|
struct batadv_priv_debug_log {
|
|
|
+ /** @log_buff: buffer holding the logs (ring bufer) */
|
|
|
char log_buff[BATADV_LOG_BUF_LEN];
|
|
|
+
|
|
|
+ /** @log_start: index of next character to read */
|
|
|
unsigned long log_start;
|
|
|
+
|
|
|
+ /** @log_end: index of next character to write */
|
|
|
unsigned long log_end;
|
|
|
- spinlock_t lock; /* protects log_buff, log_start and log_end */
|
|
|
+
|
|
|
+ /** @lock: lock protecting log_buff, log_start & log_end */
|
|
|
+ spinlock_t lock;
|
|
|
+
|
|
|
+ /** @queue_wait: log reader's wait queue */
|
|
|
wait_queue_head_t queue_wait;
|
|
|
};
|
|
|
#endif
|
|
|
|
|
|
/**
|
|
|
* struct batadv_priv_gw - per mesh interface gateway data
|
|
|
- * @gateway_list: list of available gateway nodes
|
|
|
- * @list_lock: lock protecting gateway_list & curr_gw
|
|
|
- * @curr_gw: pointer to currently selected gateway node
|
|
|
- * @mode: gateway operation: off, client or server (see batadv_gw_modes)
|
|
|
- * @sel_class: gateway selection class (applies if gw_mode client)
|
|
|
- * @bandwidth_down: advertised uplink download bandwidth (if gw_mode server)
|
|
|
- * @bandwidth_up: advertised uplink upload bandwidth (if gw_mode server)
|
|
|
- * @reselect: bool indicating a gateway re-selection is in progress
|
|
|
*/
|
|
|
struct batadv_priv_gw {
|
|
|
+ /** @gateway_list: list of available gateway nodes */
|
|
|
struct hlist_head gateway_list;
|
|
|
- spinlock_t list_lock; /* protects gateway_list & curr_gw */
|
|
|
- struct batadv_gw_node __rcu *curr_gw; /* rcu protected pointer */
|
|
|
+
|
|
|
+ /** @list_lock: lock protecting gateway_list & curr_gw */
|
|
|
+ spinlock_t list_lock;
|
|
|
+
|
|
|
+ /** @curr_gw: pointer to currently selected gateway node */
|
|
|
+ struct batadv_gw_node __rcu *curr_gw;
|
|
|
+
|
|
|
+ /**
|
|
|
+ * @mode: gateway operation: off, client or server (see batadv_gw_modes)
|
|
|
+ */
|
|
|
atomic_t mode;
|
|
|
+
|
|
|
+ /** @sel_class: gateway selection class (applies if gw_mode client) */
|
|
|
atomic_t sel_class;
|
|
|
+
|
|
|
+ /**
|
|
|
+ * @bandwidth_down: advertised uplink download bandwidth (if gw_mode
|
|
|
+ * server)
|
|
|
+ */
|
|
|
atomic_t bandwidth_down;
|
|
|
+
|
|
|
+ /**
|
|
|
+ * @bandwidth_up: advertised uplink upload bandwidth (if gw_mode server)
|
|
|
+ */
|
|
|
atomic_t bandwidth_up;
|
|
|
+
|
|
|
+ /** @reselect: bool indicating a gateway re-selection is in progress */
|
|
|
atomic_t reselect;
|
|
|
};
|
|
|
|
|
|
/**
|
|
|
* struct batadv_priv_tvlv - per mesh interface tvlv data
|
|
|
- * @container_list: list of registered tvlv containers to be sent with each OGM
|
|
|
- * @handler_list: list of the various tvlv content handlers
|
|
|
- * @container_list_lock: protects tvlv container list access
|
|
|
- * @handler_list_lock: protects handler list access
|
|
|
*/
|
|
|
struct batadv_priv_tvlv {
|
|
|
+ /**
|
|
|
+ * @container_list: list of registered tvlv containers to be sent with
|
|
|
+ * each OGM
|
|
|
+ */
|
|
|
struct hlist_head container_list;
|
|
|
+
|
|
|
+ /** @handler_list: list of the various tvlv content handlers */
|
|
|
struct hlist_head handler_list;
|
|
|
- spinlock_t container_list_lock; /* protects container_list */
|
|
|
- spinlock_t handler_list_lock; /* protects handler_list */
|
|
|
+
|
|
|
+ /** @container_list_lock: protects tvlv container list access */
|
|
|
+ spinlock_t container_list_lock;
|
|
|
+
|
|
|
+ /** @handler_list_lock: protects handler list access */
|
|
|
+ spinlock_t handler_list_lock;
|
|
|
};
|
|
|
|
|
|
#ifdef CONFIG_BATMAN_ADV_DAT
|
|
|
|
|
|
/**
|
|
|
* struct batadv_priv_dat - per mesh interface DAT private data
|
|
|
- * @addr: node DAT address
|
|
|
- * @hash: hashtable representing the local ARP cache
|
|
|
- * @work: work queue callback item for cache purging
|
|
|
*/
|
|
|
struct batadv_priv_dat {
|
|
|
+ /** @addr: node DAT address */
|
|
|
batadv_dat_addr_t addr;
|
|
|
+
|
|
|
+ /** @hash: hashtable representing the local ARP cache */
|
|
|
struct batadv_hashtable *hash;
|
|
|
+
|
|
|
+ /** @work: work queue callback item for cache purging */
|
|
|
struct delayed_work work;
|
|
|
};
|
|
|
#endif
|
|
|
@@ -777,375 +1158,582 @@ struct batadv_priv_dat {
|
|
|
#ifdef CONFIG_BATMAN_ADV_MCAST
|
|
|
/**
|
|
|
* struct batadv_mcast_querier_state - IGMP/MLD querier state when bridged
|
|
|
- * @exists: whether a querier exists in the mesh
|
|
|
- * @shadowing: if a querier exists, whether it is potentially shadowing
|
|
|
- * multicast listeners (i.e. querier is behind our own bridge segment)
|
|
|
*/
|
|
|
struct batadv_mcast_querier_state {
|
|
|
+ /** @exists: whether a querier exists in the mesh */
|
|
|
bool exists;
|
|
|
+
|
|
|
+ /**
|
|
|
+ * @shadowing: if a querier exists, whether it is potentially shadowing
|
|
|
+ * multicast listeners (i.e. querier is behind our own bridge segment)
|
|
|
+ */
|
|
|
bool shadowing;
|
|
|
};
|
|
|
|
|
|
/**
|
|
|
* struct batadv_priv_mcast - per mesh interface mcast data
|
|
|
- * @mla_list: list of multicast addresses we are currently announcing via TT
|
|
|
- * @want_all_unsnoopables_list: a list of orig_nodes wanting all unsnoopable
|
|
|
- * multicast traffic
|
|
|
- * @want_all_ipv4_list: a list of orig_nodes wanting all IPv4 multicast traffic
|
|
|
- * @want_all_ipv6_list: a list of orig_nodes wanting all IPv6 multicast traffic
|
|
|
- * @querier_ipv4: the current state of an IGMP querier in the mesh
|
|
|
- * @querier_ipv6: the current state of an MLD querier in the mesh
|
|
|
- * @flags: the flags we have last sent in our mcast tvlv
|
|
|
- * @enabled: whether the multicast tvlv is currently enabled
|
|
|
- * @bridged: whether the soft interface has a bridge on top
|
|
|
- * @num_disabled: number of nodes that have no mcast tvlv
|
|
|
- * @num_want_all_unsnoopables: number of nodes wanting unsnoopable IP traffic
|
|
|
- * @num_want_all_ipv4: counter for items in want_all_ipv4_list
|
|
|
- * @num_want_all_ipv6: counter for items in want_all_ipv6_list
|
|
|
- * @want_lists_lock: lock for protecting modifications to mcast want lists
|
|
|
- * (traversals are rcu-locked)
|
|
|
- * @work: work queue callback item for multicast TT and TVLV updates
|
|
|
*/
|
|
|
struct batadv_priv_mcast {
|
|
|
+ /**
|
|
|
+ * @mla_list: list of multicast addresses we are currently announcing
|
|
|
+ * via TT
|
|
|
+ */
|
|
|
struct hlist_head mla_list; /* see __batadv_mcast_mla_update() */
|
|
|
+
|
|
|
+ /**
|
|
|
+ * @want_all_unsnoopables_list: a list of orig_nodes wanting all
|
|
|
+ * unsnoopable multicast traffic
|
|
|
+ */
|
|
|
struct hlist_head want_all_unsnoopables_list;
|
|
|
+
|
|
|
+ /**
|
|
|
+ * @want_all_ipv4_list: a list of orig_nodes wanting all IPv4 multicast
|
|
|
+ * traffic
|
|
|
+ */
|
|
|
struct hlist_head want_all_ipv4_list;
|
|
|
+
|
|
|
+ /**
|
|
|
+ * @want_all_ipv6_list: a list of orig_nodes wanting all IPv6 multicast
|
|
|
+ * traffic
|
|
|
+ */
|
|
|
struct hlist_head want_all_ipv6_list;
|
|
|
+
|
|
|
+ /** @querier_ipv4: the current state of an IGMP querier in the mesh */
|
|
|
struct batadv_mcast_querier_state querier_ipv4;
|
|
|
+
|
|
|
+ /** @querier_ipv6: the current state of an MLD querier in the mesh */
|
|
|
struct batadv_mcast_querier_state querier_ipv6;
|
|
|
+
|
|
|
+ /** @flags: the flags we have last sent in our mcast tvlv */
|
|
|
u8 flags;
|
|
|
+
|
|
|
+ /** @enabled: whether the multicast tvlv is currently enabled */
|
|
|
bool enabled;
|
|
|
+
|
|
|
+ /** @bridged: whether the soft interface has a bridge on top */
|
|
|
bool bridged;
|
|
|
+
|
|
|
+ /** @num_disabled: number of nodes that have no mcast tvlv */
|
|
|
atomic_t num_disabled;
|
|
|
+
|
|
|
+ /**
|
|
|
+ * @num_want_all_unsnoopables: number of nodes wanting unsnoopable IP
|
|
|
+ * traffic
|
|
|
+ */
|
|
|
atomic_t num_want_all_unsnoopables;
|
|
|
+
|
|
|
+ /** @num_want_all_ipv4: counter for items in want_all_ipv4_list */
|
|
|
atomic_t num_want_all_ipv4;
|
|
|
+
|
|
|
+ /** @num_want_all_ipv6: counter for items in want_all_ipv6_list */
|
|
|
atomic_t num_want_all_ipv6;
|
|
|
- /* protects want_all_{unsnoopables,ipv4,ipv6}_list */
|
|
|
+
|
|
|
+ /**
|
|
|
+ * @want_lists_lock: lock for protecting modifications to mcasts
|
|
|
+ * want_all_{unsnoopables,ipv4,ipv6}_list (traversals are rcu-locked)
|
|
|
+ */
|
|
|
spinlock_t want_lists_lock;
|
|
|
+
|
|
|
+ /** @work: work queue callback item for multicast TT and TVLV updates */
|
|
|
struct delayed_work work;
|
|
|
};
|
|
|
#endif
|
|
|
|
|
|
/**
|
|
|
* struct batadv_priv_nc - per mesh interface network coding private data
|
|
|
- * @work: work queue callback item for cleanup
|
|
|
- * @debug_dir: dentry for nc subdir in batman-adv directory in debugfs
|
|
|
- * @min_tq: only consider neighbors for encoding if neigh_tq > min_tq
|
|
|
- * @max_fwd_delay: maximum packet forward delay to allow coding of packets
|
|
|
- * @max_buffer_time: buffer time for sniffed packets used to decoding
|
|
|
- * @timestamp_fwd_flush: timestamp of last forward packet queue flush
|
|
|
- * @timestamp_sniffed_purge: timestamp of last sniffed packet queue purge
|
|
|
- * @coding_hash: Hash table used to buffer skbs while waiting for another
|
|
|
- * incoming skb to code it with. Skbs are added to the buffer just before being
|
|
|
- * forwarded in routing.c
|
|
|
- * @decoding_hash: Hash table used to buffer skbs that might be needed to decode
|
|
|
- * a received coded skb. The buffer is used for 1) skbs arriving on the
|
|
|
- * soft-interface; 2) skbs overheard on the hard-interface; and 3) skbs
|
|
|
- * forwarded by batman-adv.
|
|
|
*/
|
|
|
struct batadv_priv_nc {
|
|
|
+ /** @work: work queue callback item for cleanup */
|
|
|
struct delayed_work work;
|
|
|
+
|
|
|
+ /**
|
|
|
+ * @debug_dir: dentry for nc subdir in batman-adv directory in debugfs
|
|
|
+ */
|
|
|
struct dentry *debug_dir;
|
|
|
+
|
|
|
+ /**
|
|
|
+ * @min_tq: only consider neighbors for encoding if neigh_tq > min_tq
|
|
|
+ */
|
|
|
u8 min_tq;
|
|
|
+
|
|
|
+ /**
|
|
|
+ * @max_fwd_delay: maximum packet forward delay to allow coding of
|
|
|
+ * packets
|
|
|
+ */
|
|
|
u32 max_fwd_delay;
|
|
|
+
|
|
|
+ /**
|
|
|
+ * @max_buffer_time: buffer time for sniffed packets used to decoding
|
|
|
+ */
|
|
|
u32 max_buffer_time;
|
|
|
+
|
|
|
+ /**
|
|
|
+ * @timestamp_fwd_flush: timestamp of last forward packet queue flush
|
|
|
+ */
|
|
|
unsigned long timestamp_fwd_flush;
|
|
|
+
|
|
|
+ /**
|
|
|
+ * @timestamp_sniffed_purge: timestamp of last sniffed packet queue
|
|
|
+ * purge
|
|
|
+ */
|
|
|
unsigned long timestamp_sniffed_purge;
|
|
|
+
|
|
|
+ /**
|
|
|
+ * @coding_hash: Hash table used to buffer skbs while waiting for
|
|
|
+ * another incoming skb to code it with. Skbs are added to the buffer
|
|
|
+ * just before being forwarded in routing.c
|
|
|
+ */
|
|
|
struct batadv_hashtable *coding_hash;
|
|
|
+
|
|
|
+ /**
|
|
|
+ * @decoding_hash: Hash table used to buffer skbs that might be needed
|
|
|
+ * to decode a received coded skb. The buffer is used for 1) skbs
|
|
|
+ * arriving on the soft-interface; 2) skbs overheard on the
|
|
|
+ * hard-interface; and 3) skbs forwarded by batman-adv.
|
|
|
+ */
|
|
|
struct batadv_hashtable *decoding_hash;
|
|
|
};
|
|
|
|
|
|
/**
|
|
|
* struct batadv_tp_unacked - unacked packet meta-information
|
|
|
- * @seqno: seqno of the unacked packet
|
|
|
- * @len: length of the packet
|
|
|
- * @list: list node for batadv_tp_vars::unacked_list
|
|
|
*
|
|
|
* This struct is supposed to represent a buffer unacked packet. However, since
|
|
|
* the purpose of the TP meter is to count the traffic only, there is no need to
|
|
|
* store the entire sk_buff, the starting offset and the length are enough
|
|
|
*/
|
|
|
struct batadv_tp_unacked {
|
|
|
+ /** @seqno: seqno of the unacked packet */
|
|
|
u32 seqno;
|
|
|
+
|
|
|
+ /** @len: length of the packet */
|
|
|
u16 len;
|
|
|
+
|
|
|
+ /** @list: list node for &batadv_tp_vars.unacked_list */
|
|
|
struct list_head list;
|
|
|
};
|
|
|
|
|
|
/**
|
|
|
* enum batadv_tp_meter_role - Modus in tp meter session
|
|
|
- * @BATADV_TP_RECEIVER: Initialized as receiver
|
|
|
- * @BATADV_TP_SENDER: Initialized as sender
|
|
|
*/
|
|
|
enum batadv_tp_meter_role {
|
|
|
+ /** @BATADV_TP_RECEIVER: Initialized as receiver */
|
|
|
BATADV_TP_RECEIVER,
|
|
|
+
|
|
|
+ /** @BATADV_TP_SENDER: Initialized as sender */
|
|
|
BATADV_TP_SENDER
|
|
|
};
|
|
|
|
|
|
/**
|
|
|
* struct batadv_tp_vars - tp meter private variables per session
|
|
|
- * @list: list node for bat_priv::tp_list
|
|
|
- * @timer: timer for ack (receiver) and retry (sender)
|
|
|
- * @bat_priv: pointer to the mesh object
|
|
|
- * @start_time: start time in jiffies
|
|
|
- * @other_end: mac address of remote
|
|
|
- * @role: receiver/sender modi
|
|
|
- * @sending: sending binary semaphore: 1 if sending, 0 is not
|
|
|
- * @reason: reason for a stopped session
|
|
|
- * @finish_work: work item for the finishing procedure
|
|
|
- * @test_length: test length in milliseconds
|
|
|
- * @session: TP session identifier
|
|
|
- * @icmp_uid: local ICMP "socket" index
|
|
|
- * @dec_cwnd: decimal part of the cwnd used during linear growth
|
|
|
- * @cwnd: current size of the congestion window
|
|
|
- * @cwnd_lock: lock do protect @cwnd & @dec_cwnd
|
|
|
- * @ss_threshold: Slow Start threshold. Once cwnd exceeds this value the
|
|
|
- * connection switches to the Congestion Avoidance state
|
|
|
- * @last_acked: last acked byte
|
|
|
- * @last_sent: last sent byte, not yet acked
|
|
|
- * @tot_sent: amount of data sent/ACKed so far
|
|
|
- * @dup_acks: duplicate ACKs counter
|
|
|
- * @fast_recovery: true if in Fast Recovery mode
|
|
|
- * @recover: last sent seqno when entering Fast Recovery
|
|
|
- * @rto: sender timeout
|
|
|
- * @srtt: smoothed RTT scaled by 2^3
|
|
|
- * @rttvar: RTT variation scaled by 2^2
|
|
|
- * @more_bytes: waiting queue anchor when waiting for more ack/retry timeout
|
|
|
- * @prerandom_offset: offset inside the prerandom buffer
|
|
|
- * @prerandom_lock: spinlock protecting access to prerandom_offset
|
|
|
- * @last_recv: last in-order received packet
|
|
|
- * @unacked_list: list of unacked packets (meta-info only)
|
|
|
- * @unacked_lock: protect unacked_list
|
|
|
- * @last_recv_time: time time (jiffies) a msg was received
|
|
|
- * @refcount: number of context where the object is used
|
|
|
- * @rcu: struct used for freeing in an RCU-safe manner
|
|
|
*/
|
|
|
struct batadv_tp_vars {
|
|
|
+ /** @list: list node for &bat_priv.tp_list */
|
|
|
struct hlist_node list;
|
|
|
+
|
|
|
+ /** @timer: timer for ack (receiver) and retry (sender) */
|
|
|
struct timer_list timer;
|
|
|
+
|
|
|
+ /** @bat_priv: pointer to the mesh object */
|
|
|
struct batadv_priv *bat_priv;
|
|
|
+
|
|
|
+ /** @start_time: start time in jiffies */
|
|
|
unsigned long start_time;
|
|
|
+
|
|
|
+ /** @other_end: mac address of remote */
|
|
|
u8 other_end[ETH_ALEN];
|
|
|
+
|
|
|
+ /** @role: receiver/sender modi */
|
|
|
enum batadv_tp_meter_role role;
|
|
|
+
|
|
|
+ /** @sending: sending binary semaphore: 1 if sending, 0 is not */
|
|
|
atomic_t sending;
|
|
|
+
|
|
|
+ /** @reason: reason for a stopped session */
|
|
|
enum batadv_tp_meter_reason reason;
|
|
|
+
|
|
|
+ /** @finish_work: work item for the finishing procedure */
|
|
|
struct delayed_work finish_work;
|
|
|
+
|
|
|
+ /** @test_length: test length in milliseconds */
|
|
|
u32 test_length;
|
|
|
+
|
|
|
+ /** @session: TP session identifier */
|
|
|
u8 session[2];
|
|
|
+
|
|
|
+ /** @icmp_uid: local ICMP "socket" index */
|
|
|
u8 icmp_uid;
|
|
|
|
|
|
/* sender variables */
|
|
|
+
|
|
|
+ /** @dec_cwnd: decimal part of the cwnd used during linear growth */
|
|
|
u16 dec_cwnd;
|
|
|
+
|
|
|
+ /** @cwnd: current size of the congestion window */
|
|
|
u32 cwnd;
|
|
|
- spinlock_t cwnd_lock; /* Protects cwnd & dec_cwnd */
|
|
|
+
|
|
|
+ /** @cwnd_lock: lock do protect @cwnd & @dec_cwnd */
|
|
|
+ spinlock_t cwnd_lock;
|
|
|
+
|
|
|
+ /**
|
|
|
+ * @ss_threshold: Slow Start threshold. Once cwnd exceeds this value the
|
|
|
+ * connection switches to the Congestion Avoidance state
|
|
|
+ */
|
|
|
u32 ss_threshold;
|
|
|
+
|
|
|
+ /** @last_acked: last acked byte */
|
|
|
atomic_t last_acked;
|
|
|
+
|
|
|
+ /** @last_sent: last sent byte, not yet acked */
|
|
|
u32 last_sent;
|
|
|
+
|
|
|
+ /** @tot_sent: amount of data sent/ACKed so far */
|
|
|
atomic64_t tot_sent;
|
|
|
+
|
|
|
+ /** @dup_acks: duplicate ACKs counter */
|
|
|
atomic_t dup_acks;
|
|
|
+
|
|
|
+ /** @fast_recovery: true if in Fast Recovery mode */
|
|
|
bool fast_recovery;
|
|
|
+
|
|
|
+ /** @recover: last sent seqno when entering Fast Recovery */
|
|
|
u32 recover;
|
|
|
+
|
|
|
+ /** @rto: sender timeout */
|
|
|
u32 rto;
|
|
|
+
|
|
|
+ /** @srtt: smoothed RTT scaled by 2^3 */
|
|
|
u32 srtt;
|
|
|
+
|
|
|
+ /** @rttvar: RTT variation scaled by 2^2 */
|
|
|
u32 rttvar;
|
|
|
+
|
|
|
+ /**
|
|
|
+ * @more_bytes: waiting queue anchor when waiting for more ack/retry
|
|
|
+ * timeout
|
|
|
+ */
|
|
|
wait_queue_head_t more_bytes;
|
|
|
+
|
|
|
+ /** @prerandom_offset: offset inside the prerandom buffer */
|
|
|
u32 prerandom_offset;
|
|
|
- spinlock_t prerandom_lock; /* Protects prerandom_offset */
|
|
|
+
|
|
|
+ /** @prerandom_lock: spinlock protecting access to prerandom_offset */
|
|
|
+ spinlock_t prerandom_lock;
|
|
|
|
|
|
/* receiver variables */
|
|
|
+
|
|
|
+ /** @last_recv: last in-order received packet */
|
|
|
u32 last_recv;
|
|
|
+
|
|
|
+ /** @unacked_list: list of unacked packets (meta-info only) */
|
|
|
struct list_head unacked_list;
|
|
|
- spinlock_t unacked_lock; /* Protects unacked_list */
|
|
|
+
|
|
|
+ /** @unacked_lock: protect unacked_list */
|
|
|
+ spinlock_t unacked_lock;
|
|
|
+
|
|
|
+ /** @last_recv_time: time time (jiffies) a msg was received */
|
|
|
unsigned long last_recv_time;
|
|
|
+
|
|
|
+ /** @refcount: number of context where the object is used */
|
|
|
struct kref refcount;
|
|
|
+
|
|
|
+ /** @rcu: struct used for freeing in an RCU-safe manner */
|
|
|
struct rcu_head rcu;
|
|
|
};
|
|
|
|
|
|
/**
|
|
|
* struct batadv_softif_vlan - per VLAN attributes set
|
|
|
- * @bat_priv: pointer to the mesh object
|
|
|
- * @vid: VLAN identifier
|
|
|
- * @kobj: kobject for sysfs vlan subdirectory
|
|
|
- * @ap_isolation: AP isolation state
|
|
|
- * @tt: TT private attributes (VLAN specific)
|
|
|
- * @list: list node for bat_priv::softif_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_softif_vlan {
|
|
|
+ /** @bat_priv: pointer to the mesh object */
|
|
|
struct batadv_priv *bat_priv;
|
|
|
+
|
|
|
+ /** @vid: VLAN identifier */
|
|
|
unsigned short vid;
|
|
|
+
|
|
|
+ /** @kobj: kobject for sysfs vlan subdirectory */
|
|
|
struct kobject *kobj;
|
|
|
+
|
|
|
+ /** @ap_isolation: AP isolation state */
|
|
|
atomic_t ap_isolation; /* boolean */
|
|
|
+
|
|
|
+ /** @tt: TT private attributes (VLAN specific) */
|
|
|
struct batadv_vlan_tt tt;
|
|
|
+
|
|
|
+ /** @list: list node for &bat_priv.softif_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_priv_bat_v - B.A.T.M.A.N. V per soft-interface private 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
|
|
|
- * @ogm_wq: workqueue used to schedule OGM transmissions
|
|
|
*/
|
|
|
struct batadv_priv_bat_v {
|
|
|
+ /** @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;
|
|
|
+
|
|
|
+ /** @ogm_wq: workqueue used to schedule OGM transmissions */
|
|
|
struct delayed_work ogm_wq;
|
|
|
};
|
|
|
|
|
|
/**
|
|
|
* struct batadv_priv - per mesh interface data
|
|
|
- * @mesh_state: current status of the mesh (inactive/active/deactivating)
|
|
|
- * @soft_iface: net device which holds this struct as private data
|
|
|
- * @bat_counters: mesh internal traffic statistic counters (see batadv_counters)
|
|
|
- * @aggregated_ogms: bool indicating whether OGM aggregation is enabled
|
|
|
- * @bonding: bool indicating whether traffic bonding is enabled
|
|
|
- * @fragmentation: bool indicating whether traffic fragmentation is enabled
|
|
|
- * @packet_size_max: max packet size that can be transmitted via
|
|
|
- * multiple fragmented skbs or a single frame if fragmentation is disabled
|
|
|
- * @frag_seqno: incremental counter to identify chains of egress fragments
|
|
|
- * @bridge_loop_avoidance: bool indicating whether bridge loop avoidance is
|
|
|
- * enabled
|
|
|
- * @distributed_arp_table: bool indicating whether distributed ARP table is
|
|
|
- * enabled
|
|
|
- * @multicast_mode: Enable or disable multicast optimizations on this node's
|
|
|
- * sender/originating side
|
|
|
- * @orig_interval: OGM broadcast interval in milliseconds
|
|
|
- * @hop_penalty: penalty which will be applied to an OGM's tq-field on every hop
|
|
|
- * @log_level: configured log level (see batadv_dbg_level)
|
|
|
- * @isolation_mark: the skb->mark value used to match packets for AP isolation
|
|
|
- * @isolation_mark_mask: bitmask identifying the bits in skb->mark to be used
|
|
|
- * for the isolation mark
|
|
|
- * @bcast_seqno: last sent broadcast packet sequence number
|
|
|
- * @bcast_queue_left: number of remaining buffered broadcast packet slots
|
|
|
- * @batman_queue_left: number of remaining OGM packet slots
|
|
|
- * @num_ifaces: number of interfaces assigned to this mesh interface
|
|
|
- * @mesh_obj: kobject for sysfs mesh subdirectory
|
|
|
- * @debug_dir: dentry for debugfs batman-adv subdirectory
|
|
|
- * @forw_bat_list: list of aggregated OGMs that will be forwarded
|
|
|
- * @forw_bcast_list: list of broadcast packets that will be rebroadcasted
|
|
|
- * @tp_list: list of tp sessions
|
|
|
- * @tp_num: number of currently active tp sessions
|
|
|
- * @orig_hash: hash table containing mesh participants (orig nodes)
|
|
|
- * @forw_bat_list_lock: lock protecting forw_bat_list
|
|
|
- * @forw_bcast_list_lock: lock protecting forw_bcast_list
|
|
|
- * @tp_list_lock: spinlock protecting @tp_list
|
|
|
- * @orig_work: work queue callback item for orig node purging
|
|
|
- * @primary_if: one of the hard-interfaces assigned to this mesh interface
|
|
|
- * becomes the primary interface
|
|
|
- * @algo_ops: routing algorithm used by this mesh interface
|
|
|
- * @softif_vlan_list: a list of softif_vlan structs, one per VLAN created on top
|
|
|
- * of the mesh interface represented by this object
|
|
|
- * @softif_vlan_list_lock: lock protecting softif_vlan_list
|
|
|
- * @bla: bridge loope avoidance data
|
|
|
- * @debug_log: holding debug logging relevant data
|
|
|
- * @gw: gateway data
|
|
|
- * @tt: translation table data
|
|
|
- * @tvlv: type-version-length-value data
|
|
|
- * @dat: distributed arp table data
|
|
|
- * @mcast: multicast data
|
|
|
- * @network_coding: bool indicating whether network coding is enabled
|
|
|
- * @nc: network coding data
|
|
|
- * @bat_v: B.A.T.M.A.N. V per soft-interface private data
|
|
|
*/
|
|
|
struct batadv_priv {
|
|
|
+ /**
|
|
|
+ * @mesh_state: current status of the mesh
|
|
|
+ * (inactive/active/deactivating)
|
|
|
+ */
|
|
|
atomic_t mesh_state;
|
|
|
+
|
|
|
+ /** @soft_iface: net device which holds this struct as private data */
|
|
|
struct net_device *soft_iface;
|
|
|
+
|
|
|
+ /**
|
|
|
+ * @bat_counters: mesh internal traffic statistic counters (see
|
|
|
+ * batadv_counters)
|
|
|
+ */
|
|
|
u64 __percpu *bat_counters; /* Per cpu counters */
|
|
|
+
|
|
|
+ /**
|
|
|
+ * @aggregated_ogms: bool indicating whether OGM aggregation is enabled
|
|
|
+ */
|
|
|
atomic_t aggregated_ogms;
|
|
|
+
|
|
|
+ /** @bonding: bool indicating whether traffic bonding is enabled */
|
|
|
atomic_t bonding;
|
|
|
+
|
|
|
+ /**
|
|
|
+ * @fragmentation: bool indicating whether traffic fragmentation is
|
|
|
+ * enabled
|
|
|
+ */
|
|
|
atomic_t fragmentation;
|
|
|
+
|
|
|
+ /**
|
|
|
+ * @packet_size_max: max packet size that can be transmitted via
|
|
|
+ * multiple fragmented skbs or a single frame if fragmentation is
|
|
|
+ * disabled
|
|
|
+ */
|
|
|
atomic_t packet_size_max;
|
|
|
+
|
|
|
+ /**
|
|
|
+ * @frag_seqno: incremental counter to identify chains of egress
|
|
|
+ * fragments
|
|
|
+ */
|
|
|
atomic_t frag_seqno;
|
|
|
+
|
|
|
#ifdef CONFIG_BATMAN_ADV_BLA
|
|
|
+ /**
|
|
|
+ * @bridge_loop_avoidance: bool indicating whether bridge loop
|
|
|
+ * avoidance is enabled
|
|
|
+ */
|
|
|
atomic_t bridge_loop_avoidance;
|
|
|
#endif
|
|
|
+
|
|
|
#ifdef CONFIG_BATMAN_ADV_DAT
|
|
|
+ /**
|
|
|
+ * @distributed_arp_table: bool indicating whether distributed ARP table
|
|
|
+ * is enabled
|
|
|
+ */
|
|
|
atomic_t distributed_arp_table;
|
|
|
#endif
|
|
|
+
|
|
|
#ifdef CONFIG_BATMAN_ADV_MCAST
|
|
|
+ /**
|
|
|
+ * @multicast_mode: Enable or disable multicast optimizations on this
|
|
|
+ * node's sender/originating side
|
|
|
+ */
|
|
|
atomic_t multicast_mode;
|
|
|
#endif
|
|
|
+
|
|
|
+ /** @orig_interval: OGM broadcast interval in milliseconds */
|
|
|
atomic_t orig_interval;
|
|
|
+
|
|
|
+ /**
|
|
|
+ * @hop_penalty: penalty which will be applied to an OGM's tq-field on
|
|
|
+ * every hop
|
|
|
+ */
|
|
|
atomic_t hop_penalty;
|
|
|
+
|
|
|
#ifdef CONFIG_BATMAN_ADV_DEBUG
|
|
|
+ /** @log_level: configured log level (see batadv_dbg_level) */
|
|
|
atomic_t log_level;
|
|
|
#endif
|
|
|
+
|
|
|
+ /**
|
|
|
+ * @isolation_mark: the skb->mark value used to match packets for AP
|
|
|
+ * isolation
|
|
|
+ */
|
|
|
u32 isolation_mark;
|
|
|
+
|
|
|
+ /**
|
|
|
+ * @isolation_mark_mask: bitmask identifying the bits in skb->mark to be
|
|
|
+ * used for the isolation mark
|
|
|
+ */
|
|
|
u32 isolation_mark_mask;
|
|
|
+
|
|
|
+ /** @bcast_seqno: last sent broadcast packet sequence number */
|
|
|
atomic_t bcast_seqno;
|
|
|
+
|
|
|
+ /**
|
|
|
+ * @bcast_queue_left: number of remaining buffered broadcast packet
|
|
|
+ * slots
|
|
|
+ */
|
|
|
atomic_t bcast_queue_left;
|
|
|
+
|
|
|
+ /** @batman_queue_left: number of remaining OGM packet slots */
|
|
|
atomic_t batman_queue_left;
|
|
|
+
|
|
|
+ /** @num_ifaces: number of interfaces assigned to this mesh interface */
|
|
|
char num_ifaces;
|
|
|
+
|
|
|
+ /** @mesh_obj: kobject for sysfs mesh subdirectory */
|
|
|
struct kobject *mesh_obj;
|
|
|
+
|
|
|
+ /** @debug_dir: dentry for debugfs batman-adv subdirectory */
|
|
|
struct dentry *debug_dir;
|
|
|
+
|
|
|
+ /** @forw_bat_list: list of aggregated OGMs that will be forwarded */
|
|
|
struct hlist_head forw_bat_list;
|
|
|
+
|
|
|
+ /**
|
|
|
+ * @forw_bcast_list: list of broadcast packets that will be
|
|
|
+ * rebroadcasted
|
|
|
+ */
|
|
|
struct hlist_head forw_bcast_list;
|
|
|
+
|
|
|
+ /** @tp_list: list of tp sessions */
|
|
|
struct hlist_head tp_list;
|
|
|
+
|
|
|
+ /** @tp_num: number of currently active tp sessions */
|
|
|
struct batadv_hashtable *orig_hash;
|
|
|
- spinlock_t forw_bat_list_lock; /* protects forw_bat_list */
|
|
|
- spinlock_t forw_bcast_list_lock; /* protects forw_bcast_list */
|
|
|
- spinlock_t tp_list_lock; /* protects tp_list */
|
|
|
+
|
|
|
+ /** @orig_hash: hash table containing mesh participants (orig nodes) */
|
|
|
+ spinlock_t forw_bat_list_lock;
|
|
|
+
|
|
|
+ /** @forw_bat_list_lock: lock protecting forw_bat_list */
|
|
|
+ spinlock_t forw_bcast_list_lock;
|
|
|
+
|
|
|
+ /** @forw_bcast_list_lock: lock protecting forw_bcast_list */
|
|
|
+ spinlock_t tp_list_lock;
|
|
|
+
|
|
|
+ /** @tp_list_lock: spinlock protecting @tp_list */
|
|
|
atomic_t tp_num;
|
|
|
+
|
|
|
+ /** @orig_work: work queue callback item for orig node purging */
|
|
|
struct delayed_work orig_work;
|
|
|
+
|
|
|
+ /**
|
|
|
+ * @primary_if: one of the hard-interfaces assigned to this mesh
|
|
|
+ * interface becomes the primary interface
|
|
|
+ */
|
|
|
struct batadv_hard_iface __rcu *primary_if; /* rcu protected pointer */
|
|
|
+
|
|
|
+ /** @algo_ops: routing algorithm used by this mesh interface */
|
|
|
struct batadv_algo_ops *algo_ops;
|
|
|
+
|
|
|
+ /**
|
|
|
+ * @softif_vlan_list: a list of softif_vlan structs, one per VLAN
|
|
|
+ * created on top of the mesh interface represented by this object
|
|
|
+ */
|
|
|
struct hlist_head softif_vlan_list;
|
|
|
- spinlock_t softif_vlan_list_lock; /* protects softif_vlan_list */
|
|
|
+
|
|
|
+ /** @softif_vlan_list_lock: lock protecting softif_vlan_list */
|
|
|
+ spinlock_t softif_vlan_list_lock;
|
|
|
+
|
|
|
#ifdef CONFIG_BATMAN_ADV_BLA
|
|
|
+ /** @bla: bridge loope avoidance data */
|
|
|
struct batadv_priv_bla bla;
|
|
|
#endif
|
|
|
+
|
|
|
#ifdef CONFIG_BATMAN_ADV_DEBUG
|
|
|
+ /** @debug_log: holding debug logging relevant data */
|
|
|
struct batadv_priv_debug_log *debug_log;
|
|
|
#endif
|
|
|
+
|
|
|
+ /** @gw: gateway data */
|
|
|
struct batadv_priv_gw gw;
|
|
|
+
|
|
|
+ /** @tt: translation table data */
|
|
|
struct batadv_priv_tt tt;
|
|
|
+
|
|
|
+ /** @tvlv: type-version-length-value data */
|
|
|
struct batadv_priv_tvlv tvlv;
|
|
|
+
|
|
|
#ifdef CONFIG_BATMAN_ADV_DAT
|
|
|
+ /** @dat: distributed arp table data */
|
|
|
struct batadv_priv_dat dat;
|
|
|
#endif
|
|
|
+
|
|
|
#ifdef CONFIG_BATMAN_ADV_MCAST
|
|
|
+ /** @mcast: multicast data */
|
|
|
struct batadv_priv_mcast mcast;
|
|
|
#endif
|
|
|
+
|
|
|
#ifdef CONFIG_BATMAN_ADV_NC
|
|
|
+ /**
|
|
|
+ * @network_coding: bool indicating whether network coding is enabled
|
|
|
+ */
|
|
|
atomic_t network_coding;
|
|
|
+
|
|
|
+ /** @nc: network coding data */
|
|
|
struct batadv_priv_nc nc;
|
|
|
#endif /* CONFIG_BATMAN_ADV_NC */
|
|
|
+
|
|
|
#ifdef CONFIG_BATMAN_ADV_BATMAN_V
|
|
|
+ /** @bat_v: B.A.T.M.A.N. V per soft-interface private data */
|
|
|
struct batadv_priv_bat_v bat_v;
|
|
|
#endif
|
|
|
};
|
|
|
|
|
|
/**
|
|
|
* struct batadv_socket_client - layer2 icmp socket client data
|
|
|
- * @queue_list: packet queue for packets destined for this socket client
|
|
|
- * @queue_len: number of packets in the packet queue (queue_list)
|
|
|
- * @index: socket client's index in the batadv_socket_client_hash
|
|
|
- * @lock: lock protecting queue_list, queue_len & index
|
|
|
- * @queue_wait: socket client's wait queue
|
|
|
- * @bat_priv: pointer to soft_iface this client belongs to
|
|
|
*/
|
|
|
struct batadv_socket_client {
|
|
|
+ /**
|
|
|
+ * @queue_list: packet queue for packets destined for this socket client
|
|
|
+ */
|
|
|
struct list_head queue_list;
|
|
|
+
|
|
|
+ /** @queue_len: number of packets in the packet queue (queue_list) */
|
|
|
unsigned int queue_len;
|
|
|
+
|
|
|
+ /** @index: socket client's index in the batadv_socket_client_hash */
|
|
|
unsigned char index;
|
|
|
- spinlock_t lock; /* protects queue_list, queue_len & index */
|
|
|
+
|
|
|
+ /** @lock: lock protecting queue_list, queue_len & index */
|
|
|
+ spinlock_t lock;
|
|
|
+
|
|
|
+ /** @queue_wait: socket client's wait queue */
|
|
|
wait_queue_head_t queue_wait;
|
|
|
+
|
|
|
+ /** @bat_priv: pointer to soft_iface this client belongs to */
|
|
|
struct batadv_priv *bat_priv;
|
|
|
};
|
|
|
|
|
|
/**
|
|
|
* struct batadv_socket_packet - layer2 icmp packet for socket client
|
|
|
- * @list: list node for batadv_socket_client::queue_list
|
|
|
- * @icmp_len: size of the layer2 icmp packet
|
|
|
- * @icmp_packet: layer2 icmp packet
|
|
|
*/
|
|
|
struct batadv_socket_packet {
|
|
|
+ /** @list: list node for &batadv_socket_client.queue_list */
|
|
|
struct list_head list;
|
|
|
+
|
|
|
+ /** @icmp_len: size of the layer2 icmp packet */
|
|
|
size_t icmp_len;
|
|
|
+
|
|
|
+ /** @icmp_packet: layer2 icmp packet */
|
|
|
u8 icmp_packet[BATADV_ICMP_MAX_PACKET_SIZE];
|
|
|
};
|
|
|
|
|
|
@@ -1153,312 +1741,432 @@ struct batadv_socket_packet {
|
|
|
|
|
|
/**
|
|
|
* struct batadv_bla_backbone_gw - batman-adv gateway bridged into the LAN
|
|
|
- * @orig: originator address of backbone node (mac address of primary iface)
|
|
|
- * @vid: vlan id this gateway was detected on
|
|
|
- * @hash_entry: hlist node for batadv_priv_bla::backbone_hash
|
|
|
- * @bat_priv: pointer to soft_iface this backbone gateway belongs to
|
|
|
- * @lasttime: last time we heard of this backbone gw
|
|
|
- * @wait_periods: grace time for bridge forward delays and bla group forming at
|
|
|
- * bootup phase - no bcast traffic is formwared until it has elapsed
|
|
|
- * @request_sent: if this bool is set to true we are out of sync with this
|
|
|
- * backbone gateway - no bcast traffic is formwared until the situation was
|
|
|
- * resolved
|
|
|
- * @crc: crc16 checksum over all claims
|
|
|
- * @crc_lock: lock protecting crc
|
|
|
- * @report_work: work struct for reporting detected loops
|
|
|
- * @refcount: number of contexts the object is used
|
|
|
- * @rcu: struct used for freeing in an RCU-safe manner
|
|
|
*/
|
|
|
struct batadv_bla_backbone_gw {
|
|
|
+ /**
|
|
|
+ * @orig: originator address of backbone node (mac address of primary
|
|
|
+ * iface)
|
|
|
+ */
|
|
|
u8 orig[ETH_ALEN];
|
|
|
+
|
|
|
+ /** @vid: vlan id this gateway was detected on */
|
|
|
unsigned short vid;
|
|
|
+
|
|
|
+ /** @hash_entry: hlist node for &batadv_priv_bla.backbone_hash */
|
|
|
struct hlist_node hash_entry;
|
|
|
+
|
|
|
+ /** @bat_priv: pointer to soft_iface this backbone gateway belongs to */
|
|
|
struct batadv_priv *bat_priv;
|
|
|
+
|
|
|
+ /** @lasttime: last time we heard of this backbone gw */
|
|
|
unsigned long lasttime;
|
|
|
+
|
|
|
+ /**
|
|
|
+ * @wait_periods: grace time for bridge forward delays and bla group
|
|
|
+ * forming at bootup phase - no bcast traffic is formwared until it has
|
|
|
+ * elapsed
|
|
|
+ */
|
|
|
atomic_t wait_periods;
|
|
|
+
|
|
|
+ /**
|
|
|
+ * @request_sent: if this bool is set to true we are out of sync with
|
|
|
+ * this backbone gateway - no bcast traffic is formwared until the
|
|
|
+ * situation was resolved
|
|
|
+ */
|
|
|
atomic_t request_sent;
|
|
|
+
|
|
|
+ /** @crc: crc16 checksum over all claims */
|
|
|
u16 crc;
|
|
|
- spinlock_t crc_lock; /* protects crc */
|
|
|
+
|
|
|
+ /** @crc_lock: lock protecting crc */
|
|
|
+ spinlock_t crc_lock;
|
|
|
+
|
|
|
+ /** @report_work: work struct for reporting detected loops */
|
|
|
struct work_struct report_work;
|
|
|
+
|
|
|
+ /** @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_bla_claim - claimed non-mesh client structure
|
|
|
- * @addr: mac address of claimed non-mesh client
|
|
|
- * @vid: vlan id this client was detected on
|
|
|
- * @backbone_gw: pointer to backbone gw claiming this client
|
|
|
- * @backbone_lock: lock protecting backbone_gw pointer
|
|
|
- * @lasttime: last time we heard of claim (locals only)
|
|
|
- * @hash_entry: hlist node for batadv_priv_bla::claim_hash
|
|
|
- * @refcount: number of contexts the object is used
|
|
|
- * @rcu: struct used for freeing in an RCU-safe manner
|
|
|
*/
|
|
|
struct batadv_bla_claim {
|
|
|
+ /** @addr: mac address of claimed non-mesh client */
|
|
|
u8 addr[ETH_ALEN];
|
|
|
+
|
|
|
+ /** @vid: vlan id this client was detected on */
|
|
|
unsigned short vid;
|
|
|
+
|
|
|
+ /** @backbone_gw: pointer to backbone gw claiming this client */
|
|
|
struct batadv_bla_backbone_gw *backbone_gw;
|
|
|
- spinlock_t backbone_lock; /* protects backbone_gw */
|
|
|
+
|
|
|
+ /** @backbone_lock: lock protecting backbone_gw pointer */
|
|
|
+ spinlock_t backbone_lock;
|
|
|
+
|
|
|
+ /** @lasttime: last time we heard of claim (locals only) */
|
|
|
unsigned long lasttime;
|
|
|
+
|
|
|
+ /** @hash_entry: hlist node for &batadv_priv_bla.claim_hash */
|
|
|
struct hlist_node hash_entry;
|
|
|
+
|
|
|
+ /** @refcount: number of contexts the object is used */
|
|
|
struct rcu_head rcu;
|
|
|
+
|
|
|
+ /** @rcu: struct used for freeing in an RCU-safe manner */
|
|
|
struct kref refcount;
|
|
|
};
|
|
|
#endif
|
|
|
|
|
|
/**
|
|
|
* struct batadv_tt_common_entry - tt local & tt global common data
|
|
|
- * @addr: mac address of non-mesh client
|
|
|
- * @vid: VLAN identifier
|
|
|
- * @hash_entry: hlist node for batadv_priv_tt::local_hash or for
|
|
|
- * batadv_priv_tt::global_hash
|
|
|
- * @flags: various state handling flags (see batadv_tt_client_flags)
|
|
|
- * @added_at: timestamp used for purging stale tt common entries
|
|
|
- * @refcount: number of contexts the object is used
|
|
|
- * @rcu: struct used for freeing in an RCU-safe manner
|
|
|
*/
|
|
|
struct batadv_tt_common_entry {
|
|
|
+ /** @addr: mac address of non-mesh client */
|
|
|
u8 addr[ETH_ALEN];
|
|
|
+
|
|
|
+ /** @vid: VLAN identifier */
|
|
|
unsigned short vid;
|
|
|
+
|
|
|
+ /**
|
|
|
+ * @hash_entry: hlist node for &batadv_priv_tt.local_hash or for
|
|
|
+ * &batadv_priv_tt.global_hash
|
|
|
+ */
|
|
|
struct hlist_node hash_entry;
|
|
|
+
|
|
|
+ /** @flags: various state handling flags (see batadv_tt_client_flags) */
|
|
|
u16 flags;
|
|
|
+
|
|
|
+ /** @added_at: timestamp used for purging stale tt common entries */
|
|
|
unsigned long added_at;
|
|
|
+
|
|
|
+ /** @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_tt_local_entry - translation table local entry data
|
|
|
- * @common: general translation table data
|
|
|
- * @last_seen: timestamp used for purging stale tt local entries
|
|
|
- * @vlan: soft-interface vlan of the entry
|
|
|
*/
|
|
|
struct batadv_tt_local_entry {
|
|
|
+ /** @common: general translation table data */
|
|
|
struct batadv_tt_common_entry common;
|
|
|
+
|
|
|
+ /** @last_seen: timestamp used for purging stale tt local entries */
|
|
|
unsigned long last_seen;
|
|
|
+
|
|
|
+ /** @vlan: soft-interface vlan of the entry */
|
|
|
struct batadv_softif_vlan *vlan;
|
|
|
};
|
|
|
|
|
|
/**
|
|
|
* struct batadv_tt_global_entry - translation table global entry data
|
|
|
- * @common: general translation table data
|
|
|
- * @orig_list: list of orig nodes announcing this non-mesh client
|
|
|
- * @orig_list_count: number of items in the orig_list
|
|
|
- * @list_lock: lock protecting orig_list
|
|
|
- * @roam_at: time at which TT_GLOBAL_ROAM was set
|
|
|
*/
|
|
|
struct batadv_tt_global_entry {
|
|
|
+ /** @common: general translation table data */
|
|
|
struct batadv_tt_common_entry common;
|
|
|
+
|
|
|
+ /** @orig_list: list of orig nodes announcing this non-mesh client */
|
|
|
struct hlist_head orig_list;
|
|
|
+
|
|
|
+ /** @orig_list_count: number of items in the orig_list */
|
|
|
atomic_t orig_list_count;
|
|
|
- spinlock_t list_lock; /* protects orig_list */
|
|
|
+
|
|
|
+ /** @list_lock: lock protecting orig_list */
|
|
|
+ spinlock_t list_lock;
|
|
|
+
|
|
|
+ /** @roam_at: time at which TT_GLOBAL_ROAM was set */
|
|
|
unsigned long roam_at;
|
|
|
};
|
|
|
|
|
|
/**
|
|
|
* struct batadv_tt_orig_list_entry - orig node announcing a non-mesh client
|
|
|
- * @orig_node: pointer to orig node announcing this non-mesh client
|
|
|
- * @ttvn: translation table version number which added the non-mesh client
|
|
|
- * @flags: per orig entry TT sync flags
|
|
|
- * @list: list node for batadv_tt_global_entry::orig_list
|
|
|
- * @refcount: number of contexts the object is used
|
|
|
- * @rcu: struct used for freeing in an RCU-safe manner
|
|
|
*/
|
|
|
struct batadv_tt_orig_list_entry {
|
|
|
+ /** @orig_node: pointer to orig node announcing this non-mesh client */
|
|
|
struct batadv_orig_node *orig_node;
|
|
|
+
|
|
|
+ /**
|
|
|
+ * @ttvn: translation table version number which added the non-mesh
|
|
|
+ * client
|
|
|
+ */
|
|
|
u8 ttvn;
|
|
|
+
|
|
|
+ /** @flags: per orig entry TT sync flags */
|
|
|
u8 flags;
|
|
|
+
|
|
|
+ /** @list: list node for &batadv_tt_global_entry.orig_list */
|
|
|
struct hlist_node list;
|
|
|
+
|
|
|
+ /** @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_tt_change_node - structure for tt changes occurred
|
|
|
- * @list: list node for batadv_priv_tt::changes_list
|
|
|
- * @change: holds the actual translation table diff data
|
|
|
*/
|
|
|
struct batadv_tt_change_node {
|
|
|
+ /** @list: list node for &batadv_priv_tt.changes_list */
|
|
|
struct list_head list;
|
|
|
+
|
|
|
+ /** @change: holds the actual translation table diff data */
|
|
|
struct batadv_tvlv_tt_change change;
|
|
|
};
|
|
|
|
|
|
/**
|
|
|
* struct batadv_tt_req_node - data to keep track of the tt requests in flight
|
|
|
- * @addr: mac address address of the originator this request was sent to
|
|
|
- * @issued_at: timestamp used for purging stale tt requests
|
|
|
- * @refcount: number of contexts the object is used by
|
|
|
- * @list: list node for batadv_priv_tt::req_list
|
|
|
*/
|
|
|
struct batadv_tt_req_node {
|
|
|
+ /**
|
|
|
+ * @addr: mac address address of the originator this request was sent to
|
|
|
+ */
|
|
|
u8 addr[ETH_ALEN];
|
|
|
+
|
|
|
+ /** @issued_at: timestamp used for purging stale tt requests */
|
|
|
unsigned long issued_at;
|
|
|
+
|
|
|
+ /** @refcount: number of contexts the object is used by */
|
|
|
struct kref refcount;
|
|
|
+
|
|
|
+ /** @list: list node for &batadv_priv_tt.req_list */
|
|
|
struct hlist_node list;
|
|
|
};
|
|
|
|
|
|
/**
|
|
|
* struct batadv_tt_roam_node - roaming client data
|
|
|
- * @addr: mac address of the client in the roaming phase
|
|
|
- * @counter: number of allowed roaming events per client within a single
|
|
|
- * OGM interval (changes are committed with each OGM)
|
|
|
- * @first_time: timestamp used for purging stale roaming node entries
|
|
|
- * @list: list node for batadv_priv_tt::roam_list
|
|
|
*/
|
|
|
struct batadv_tt_roam_node {
|
|
|
+ /** @addr: mac address of the client in the roaming phase */
|
|
|
u8 addr[ETH_ALEN];
|
|
|
+
|
|
|
+ /**
|
|
|
+ * @counter: number of allowed roaming events per client within a single
|
|
|
+ * OGM interval (changes are committed with each OGM)
|
|
|
+ */
|
|
|
atomic_t counter;
|
|
|
+
|
|
|
+ /**
|
|
|
+ * @first_time: timestamp used for purging stale roaming node entries
|
|
|
+ */
|
|
|
unsigned long first_time;
|
|
|
+
|
|
|
+ /** @list: list node for &batadv_priv_tt.roam_list */
|
|
|
struct list_head list;
|
|
|
};
|
|
|
|
|
|
/**
|
|
|
* struct batadv_nc_node - network coding node
|
|
|
- * @list: next and prev pointer for the list handling
|
|
|
- * @addr: the node's mac address
|
|
|
- * @refcount: number of contexts the object is used by
|
|
|
- * @rcu: struct used for freeing in an RCU-safe manner
|
|
|
- * @orig_node: pointer to corresponding orig node struct
|
|
|
- * @last_seen: timestamp of last ogm received from this node
|
|
|
*/
|
|
|
struct batadv_nc_node {
|
|
|
+ /** @list: next and prev pointer for the list handling */
|
|
|
struct list_head list;
|
|
|
+
|
|
|
+ /** @addr: the node's mac address */
|
|
|
u8 addr[ETH_ALEN];
|
|
|
+
|
|
|
+ /** @refcount: number of contexts the object is used by */
|
|
|
struct kref refcount;
|
|
|
+
|
|
|
+ /** @rcu: struct used for freeing in an RCU-safe manner */
|
|
|
struct rcu_head rcu;
|
|
|
+
|
|
|
+ /** @orig_node: pointer to corresponding orig node struct */
|
|
|
struct batadv_orig_node *orig_node;
|
|
|
+
|
|
|
+ /** @last_seen: timestamp of last ogm received from this node */
|
|
|
unsigned long last_seen;
|
|
|
};
|
|
|
|
|
|
/**
|
|
|
* struct batadv_nc_path - network coding path
|
|
|
- * @hash_entry: next and prev pointer for the list handling
|
|
|
- * @rcu: struct used for freeing in an RCU-safe manner
|
|
|
- * @refcount: number of contexts the object is used by
|
|
|
- * @packet_list: list of buffered packets for this path
|
|
|
- * @packet_list_lock: access lock for packet list
|
|
|
- * @next_hop: next hop (destination) of path
|
|
|
- * @prev_hop: previous hop (source) of path
|
|
|
- * @last_valid: timestamp for last validation of path
|
|
|
*/
|
|
|
struct batadv_nc_path {
|
|
|
+ /** @hash_entry: next and prev pointer for the list handling */
|
|
|
struct hlist_node hash_entry;
|
|
|
+
|
|
|
+ /** @rcu: struct used for freeing in an RCU-safe manner */
|
|
|
struct rcu_head rcu;
|
|
|
+
|
|
|
+ /** @refcount: number of contexts the object is used by */
|
|
|
struct kref refcount;
|
|
|
+
|
|
|
+ /** @packet_list: list of buffered packets for this path */
|
|
|
struct list_head packet_list;
|
|
|
- spinlock_t packet_list_lock; /* Protects packet_list */
|
|
|
+
|
|
|
+ /** @packet_list_lock: access lock for packet list */
|
|
|
+ spinlock_t packet_list_lock;
|
|
|
+
|
|
|
+ /** @next_hop: next hop (destination) of path */
|
|
|
u8 next_hop[ETH_ALEN];
|
|
|
+
|
|
|
+ /** @prev_hop: previous hop (source) of path */
|
|
|
u8 prev_hop[ETH_ALEN];
|
|
|
+
|
|
|
+ /** @last_valid: timestamp for last validation of path */
|
|
|
unsigned long last_valid;
|
|
|
};
|
|
|
|
|
|
/**
|
|
|
* struct batadv_nc_packet - network coding packet used when coding and
|
|
|
* decoding packets
|
|
|
- * @list: next and prev pointer for the list handling
|
|
|
- * @packet_id: crc32 checksum of skb data
|
|
|
- * @timestamp: field containing the info when the packet was added to path
|
|
|
- * @neigh_node: pointer to original next hop neighbor of skb
|
|
|
- * @skb: skb which can be encoded or used for decoding
|
|
|
- * @nc_path: pointer to path this nc packet is attached to
|
|
|
*/
|
|
|
struct batadv_nc_packet {
|
|
|
+ /** @list: next and prev pointer for the list handling */
|
|
|
struct list_head list;
|
|
|
+
|
|
|
+ /** @packet_id: crc32 checksum of skb data */
|
|
|
__be32 packet_id;
|
|
|
+
|
|
|
+ /**
|
|
|
+ * @timestamp: field containing the info when the packet was added to
|
|
|
+ * path
|
|
|
+ */
|
|
|
unsigned long timestamp;
|
|
|
+
|
|
|
+ /** @neigh_node: pointer to original next hop neighbor of skb */
|
|
|
struct batadv_neigh_node *neigh_node;
|
|
|
+
|
|
|
+ /** @skb: skb which can be encoded or used for decoding */
|
|
|
struct sk_buff *skb;
|
|
|
+
|
|
|
+ /** @nc_path: pointer to path this nc packet is attached to */
|
|
|
struct batadv_nc_path *nc_path;
|
|
|
};
|
|
|
|
|
|
/**
|
|
|
* struct batadv_skb_cb - control buffer structure used to store private data
|
|
|
* relevant to batman-adv in the skb->cb buffer in skbs.
|
|
|
- * @decoded: Marks a skb as decoded, which is checked when searching for coding
|
|
|
- * opportunities in network-coding.c
|
|
|
- * @num_bcasts: Counter for broadcast packet retransmissions
|
|
|
*/
|
|
|
struct batadv_skb_cb {
|
|
|
+ /**
|
|
|
+ * @decoded: Marks a skb as decoded, which is checked when searching for
|
|
|
+ * coding opportunities in network-coding.c
|
|
|
+ */
|
|
|
bool decoded;
|
|
|
+
|
|
|
+ /** @num_bcasts: Counter for broadcast packet retransmissions */
|
|
|
unsigned int num_bcasts;
|
|
|
};
|
|
|
|
|
|
/**
|
|
|
* struct batadv_forw_packet - structure for bcast packets to be sent/forwarded
|
|
|
- * @list: list node for batadv_priv::forw_{bat,bcast}_list
|
|
|
- * @cleanup_list: list node for purging functions
|
|
|
- * @send_time: execution time for delayed_work (packet sending)
|
|
|
- * @own: bool for locally generated packets (local OGMs are re-scheduled after
|
|
|
- * sending)
|
|
|
- * @skb: bcast packet's skb buffer
|
|
|
- * @packet_len: size of aggregated OGM packet inside the skb buffer
|
|
|
- * @direct_link_flags: direct link flags for aggregated OGM packets
|
|
|
- * @num_packets: counter for aggregated OGMv1 packets
|
|
|
- * @delayed_work: work queue callback item for packet sending
|
|
|
- * @if_incoming: pointer to incoming hard-iface or primary iface if
|
|
|
- * locally generated packet
|
|
|
- * @if_outgoing: packet where the packet should be sent to, or NULL if
|
|
|
- * unspecified
|
|
|
- * @queue_left: The queue (counter) this packet was applied to
|
|
|
*/
|
|
|
struct batadv_forw_packet {
|
|
|
+ /**
|
|
|
+ * @list: list node for &batadv_priv.forw.bcast_list and
|
|
|
+ * &batadv_priv.forw.bat_list
|
|
|
+ */
|
|
|
struct hlist_node list;
|
|
|
+
|
|
|
+ /** @cleanup_list: list node for purging functions */
|
|
|
struct hlist_node cleanup_list;
|
|
|
+
|
|
|
+ /** @send_time: execution time for delayed_work (packet sending) */
|
|
|
unsigned long send_time;
|
|
|
+
|
|
|
+ /**
|
|
|
+ * @own: bool for locally generated packets (local OGMs are re-scheduled
|
|
|
+ * after sending)
|
|
|
+ */
|
|
|
u8 own;
|
|
|
+
|
|
|
+ /** @skb: bcast packet's skb buffer */
|
|
|
struct sk_buff *skb;
|
|
|
+
|
|
|
+ /** @packet_len: size of aggregated OGM packet inside the skb buffer */
|
|
|
u16 packet_len;
|
|
|
+
|
|
|
+ /** @direct_link_flags: direct link flags for aggregated OGM packets */
|
|
|
u32 direct_link_flags;
|
|
|
+
|
|
|
+ /** @num_packets: counter for aggregated OGMv1 packets */
|
|
|
u8 num_packets;
|
|
|
+
|
|
|
+ /** @delayed_work: work queue callback item for packet sending */
|
|
|
struct delayed_work delayed_work;
|
|
|
+
|
|
|
+ /**
|
|
|
+ * @if_incoming: pointer to incoming hard-iface or primary iface if
|
|
|
+ * locally generated packet
|
|
|
+ */
|
|
|
struct batadv_hard_iface *if_incoming;
|
|
|
+
|
|
|
+ /**
|
|
|
+ * @if_outgoing: packet where the packet should be sent to, or NULL if
|
|
|
+ * unspecified
|
|
|
+ */
|
|
|
struct batadv_hard_iface *if_outgoing;
|
|
|
+
|
|
|
+ /** @queue_left: The queue (counter) this packet was applied to */
|
|
|
atomic_t *queue_left;
|
|
|
};
|
|
|
|
|
|
/**
|
|
|
* struct batadv_algo_iface_ops - mesh algorithm callbacks (interface specific)
|
|
|
- * @activate: start routing mechanisms when hard-interface is brought up
|
|
|
- * (optional)
|
|
|
- * @enable: init routing info when hard-interface is enabled
|
|
|
- * @disable: de-init routing info when hard-interface is disabled
|
|
|
- * @update_mac: (re-)init mac addresses of the protocol information
|
|
|
- * belonging to this hard-interface
|
|
|
- * @primary_set: called when primary interface is selected / changed
|
|
|
*/
|
|
|
struct batadv_algo_iface_ops {
|
|
|
+ /**
|
|
|
+ * @activate: start routing mechanisms when hard-interface is brought up
|
|
|
+ * (optional)
|
|
|
+ */
|
|
|
void (*activate)(struct batadv_hard_iface *hard_iface);
|
|
|
+
|
|
|
+ /** @enable: init routing info when hard-interface is enabled */
|
|
|
int (*enable)(struct batadv_hard_iface *hard_iface);
|
|
|
+
|
|
|
+ /** @disable: de-init routing info when hard-interface is disabled */
|
|
|
void (*disable)(struct batadv_hard_iface *hard_iface);
|
|
|
+
|
|
|
+ /**
|
|
|
+ * @update_mac: (re-)init mac addresses of the protocol information
|
|
|
+ * belonging to this hard-interface
|
|
|
+ */
|
|
|
void (*update_mac)(struct batadv_hard_iface *hard_iface);
|
|
|
+
|
|
|
+ /** @primary_set: called when primary interface is selected / changed */
|
|
|
void (*primary_set)(struct batadv_hard_iface *hard_iface);
|
|
|
};
|
|
|
|
|
|
/**
|
|
|
* struct batadv_algo_neigh_ops - mesh algorithm callbacks (neighbour specific)
|
|
|
- * @hardif_init: called on creation of single hop entry
|
|
|
- * (optional)
|
|
|
- * @cmp: compare the metrics of two neighbors for their respective outgoing
|
|
|
- * interfaces
|
|
|
- * @is_similar_or_better: check if neigh1 is equally similar or better than
|
|
|
- * neigh2 for their respective outgoing interface from the metric prospective
|
|
|
- * @print: print the single hop neighbor list (optional)
|
|
|
- * @dump: dump neighbors to a netlink socket (optional)
|
|
|
*/
|
|
|
struct batadv_algo_neigh_ops {
|
|
|
+ /** @hardif_init: called on creation of single hop entry (optional) */
|
|
|
void (*hardif_init)(struct batadv_hardif_neigh_node *neigh);
|
|
|
+
|
|
|
+ /**
|
|
|
+ * @cmp: compare the metrics of two neighbors for their respective
|
|
|
+ * outgoing interfaces
|
|
|
+ */
|
|
|
int (*cmp)(struct batadv_neigh_node *neigh1,
|
|
|
struct batadv_hard_iface *if_outgoing1,
|
|
|
struct batadv_neigh_node *neigh2,
|
|
|
struct batadv_hard_iface *if_outgoing2);
|
|
|
+
|
|
|
+ /**
|
|
|
+ * @is_similar_or_better: check if neigh1 is equally similar or better
|
|
|
+ * than neigh2 for their respective outgoing interface from the metric
|
|
|
+ * prospective
|
|
|
+ */
|
|
|
bool (*is_similar_or_better)(struct batadv_neigh_node *neigh1,
|
|
|
struct batadv_hard_iface *if_outgoing1,
|
|
|
struct batadv_neigh_node *neigh2,
|
|
|
struct batadv_hard_iface *if_outgoing2);
|
|
|
+
|
|
|
#ifdef CONFIG_BATMAN_ADV_DEBUGFS
|
|
|
+ /** @print: print the single hop neighbor list (optional) */
|
|
|
void (*print)(struct batadv_priv *priv, struct seq_file *seq);
|
|
|
#endif
|
|
|
+
|
|
|
+ /** @dump: dump neighbors to a netlink socket (optional) */
|
|
|
void (*dump)(struct sk_buff *msg, struct netlink_callback *cb,
|
|
|
struct batadv_priv *priv,
|
|
|
struct batadv_hard_iface *hard_iface);
|
|
|
@@ -1466,24 +2174,36 @@ struct batadv_algo_neigh_ops {
|
|
|
|
|
|
/**
|
|
|
* struct batadv_algo_orig_ops - mesh algorithm callbacks (originator specific)
|
|
|
- * @free: free the resources allocated by the routing algorithm for an orig_node
|
|
|
- * object (optional)
|
|
|
- * @add_if: ask the routing algorithm to apply the needed changes to the
|
|
|
- * orig_node due to a new hard-interface being added into the mesh (optional)
|
|
|
- * @del_if: ask the routing algorithm to apply the needed changes to the
|
|
|
- * orig_node due to an hard-interface being removed from the mesh (optional)
|
|
|
- * @print: print the originator table (optional)
|
|
|
- * @dump: dump originators to a netlink socket (optional)
|
|
|
*/
|
|
|
struct batadv_algo_orig_ops {
|
|
|
+ /**
|
|
|
+ * @free: free the resources allocated by the routing algorithm for an
|
|
|
+ * orig_node object (optional)
|
|
|
+ */
|
|
|
void (*free)(struct batadv_orig_node *orig_node);
|
|
|
+
|
|
|
+ /**
|
|
|
+ * @add_if: ask the routing algorithm to apply the needed changes to the
|
|
|
+ * orig_node due to a new hard-interface being added into the mesh
|
|
|
+ * (optional)
|
|
|
+ */
|
|
|
int (*add_if)(struct batadv_orig_node *orig_node, int max_if_num);
|
|
|
+
|
|
|
+ /**
|
|
|
+ * @del_if: ask the routing algorithm to apply the needed changes to the
|
|
|
+ * orig_node due to an hard-interface being removed from the mesh
|
|
|
+ * (optional)
|
|
|
+ */
|
|
|
int (*del_if)(struct batadv_orig_node *orig_node, int max_if_num,
|
|
|
int del_if_num);
|
|
|
+
|
|
|
#ifdef CONFIG_BATMAN_ADV_DEBUGFS
|
|
|
+ /** @print: print the originator table (optional) */
|
|
|
void (*print)(struct batadv_priv *priv, struct seq_file *seq,
|
|
|
struct batadv_hard_iface *hard_iface);
|
|
|
#endif
|
|
|
+
|
|
|
+ /** @dump: dump originators to a netlink socket (optional) */
|
|
|
void (*dump)(struct sk_buff *msg, struct netlink_callback *cb,
|
|
|
struct batadv_priv *priv,
|
|
|
struct batadv_hard_iface *hard_iface);
|
|
|
@@ -1491,158 +2211,213 @@ struct batadv_algo_orig_ops {
|
|
|
|
|
|
/**
|
|
|
* struct batadv_algo_gw_ops - mesh algorithm callbacks (GW specific)
|
|
|
- * @init_sel_class: initialize GW selection class (optional)
|
|
|
- * @store_sel_class: parse and stores a new GW selection class (optional)
|
|
|
- * @show_sel_class: prints the current GW selection class (optional)
|
|
|
- * @get_best_gw_node: select the best GW from the list of available nodes
|
|
|
- * (optional)
|
|
|
- * @is_eligible: check if a newly discovered GW is a potential candidate for
|
|
|
- * the election as best GW (optional)
|
|
|
- * @print: print the gateway table (optional)
|
|
|
- * @dump: dump gateways to a netlink socket (optional)
|
|
|
*/
|
|
|
struct batadv_algo_gw_ops {
|
|
|
+ /** @init_sel_class: initialize GW selection class (optional) */
|
|
|
void (*init_sel_class)(struct batadv_priv *bat_priv);
|
|
|
+
|
|
|
+ /**
|
|
|
+ * @store_sel_class: parse and stores a new GW selection class
|
|
|
+ * (optional)
|
|
|
+ */
|
|
|
ssize_t (*store_sel_class)(struct batadv_priv *bat_priv, char *buff,
|
|
|
size_t count);
|
|
|
+
|
|
|
+ /** @show_sel_class: prints the current GW selection class (optional) */
|
|
|
ssize_t (*show_sel_class)(struct batadv_priv *bat_priv, char *buff);
|
|
|
+
|
|
|
+ /**
|
|
|
+ * @get_best_gw_node: select the best GW from the list of available
|
|
|
+ * nodes (optional)
|
|
|
+ */
|
|
|
struct batadv_gw_node *(*get_best_gw_node)
|
|
|
(struct batadv_priv *bat_priv);
|
|
|
+
|
|
|
+ /**
|
|
|
+ * @is_eligible: check if a newly discovered GW is a potential candidate
|
|
|
+ * for the election as best GW (optional)
|
|
|
+ */
|
|
|
bool (*is_eligible)(struct batadv_priv *bat_priv,
|
|
|
struct batadv_orig_node *curr_gw_orig,
|
|
|
struct batadv_orig_node *orig_node);
|
|
|
+
|
|
|
#ifdef CONFIG_BATMAN_ADV_DEBUGFS
|
|
|
+ /** @print: print the gateway table (optional) */
|
|
|
void (*print)(struct batadv_priv *bat_priv, struct seq_file *seq);
|
|
|
#endif
|
|
|
+
|
|
|
+ /** @dump: dump gateways to a netlink socket (optional) */
|
|
|
void (*dump)(struct sk_buff *msg, struct netlink_callback *cb,
|
|
|
struct batadv_priv *priv);
|
|
|
};
|
|
|
|
|
|
/**
|
|
|
* struct batadv_algo_ops - mesh algorithm callbacks
|
|
|
- * @list: list node for the batadv_algo_list
|
|
|
- * @name: name of the algorithm
|
|
|
- * @iface: callbacks related to interface handling
|
|
|
- * @neigh: callbacks related to neighbors handling
|
|
|
- * @orig: callbacks related to originators handling
|
|
|
- * @gw: callbacks related to GW mode
|
|
|
*/
|
|
|
struct batadv_algo_ops {
|
|
|
+ /** @list: list node for the batadv_algo_list */
|
|
|
struct hlist_node list;
|
|
|
+
|
|
|
+ /** @name: name of the algorithm */
|
|
|
char *name;
|
|
|
+
|
|
|
+ /** @iface: callbacks related to interface handling */
|
|
|
struct batadv_algo_iface_ops iface;
|
|
|
+
|
|
|
+ /** @neigh: callbacks related to neighbors handling */
|
|
|
struct batadv_algo_neigh_ops neigh;
|
|
|
+
|
|
|
+ /** @orig: callbacks related to originators handling */
|
|
|
struct batadv_algo_orig_ops orig;
|
|
|
+
|
|
|
+ /** @gw: callbacks related to GW mode */
|
|
|
struct batadv_algo_gw_ops gw;
|
|
|
};
|
|
|
|
|
|
/**
|
|
|
* struct batadv_dat_entry - it is a single entry of batman-adv ARP backend. It
|
|
|
* is used to stored ARP entries needed for the global DAT cache
|
|
|
- * @ip: the IPv4 corresponding to this DAT/ARP entry
|
|
|
- * @mac_addr: the MAC address associated to the stored IPv4
|
|
|
- * @vid: the vlan ID associated to this entry
|
|
|
- * @last_update: time in jiffies when this entry was refreshed last time
|
|
|
- * @hash_entry: hlist node for batadv_priv_dat::hash
|
|
|
- * @refcount: number of contexts the object is used
|
|
|
- * @rcu: struct used for freeing in an RCU-safe manner
|
|
|
*/
|
|
|
struct batadv_dat_entry {
|
|
|
+ /** @ip: the IPv4 corresponding to this DAT/ARP entry */
|
|
|
__be32 ip;
|
|
|
+
|
|
|
+ /** @mac_addr: the MAC address associated to the stored IPv4 */
|
|
|
u8 mac_addr[ETH_ALEN];
|
|
|
+
|
|
|
+ /** @vid: the vlan ID associated to this entry */
|
|
|
unsigned short vid;
|
|
|
+
|
|
|
+ /**
|
|
|
+ * @last_update: time in jiffies when this entry was refreshed last time
|
|
|
+ */
|
|
|
unsigned long last_update;
|
|
|
+
|
|
|
+ /** @hash_entry: hlist node for &batadv_priv_dat.hash */
|
|
|
struct hlist_node hash_entry;
|
|
|
+
|
|
|
+ /** @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_hw_addr - a list entry for a MAC address
|
|
|
- * @list: list node for the linking of entries
|
|
|
- * @addr: the MAC address of this list entry
|
|
|
*/
|
|
|
struct batadv_hw_addr {
|
|
|
+ /** @list: list node for the linking of entries */
|
|
|
struct hlist_node list;
|
|
|
+
|
|
|
+ /** @addr: the MAC address of this list entry */
|
|
|
unsigned char addr[ETH_ALEN];
|
|
|
};
|
|
|
|
|
|
/**
|
|
|
* struct batadv_dat_candidate - candidate destination for DAT operations
|
|
|
- * @type: the type of the selected candidate. It can one of the following:
|
|
|
- * - BATADV_DAT_CANDIDATE_NOT_FOUND
|
|
|
- * - BATADV_DAT_CANDIDATE_ORIG
|
|
|
- * @orig_node: if type is BATADV_DAT_CANDIDATE_ORIG this field points to the
|
|
|
- * corresponding originator node structure
|
|
|
*/
|
|
|
struct batadv_dat_candidate {
|
|
|
+ /**
|
|
|
+ * @type: the type of the selected candidate. It can one of the
|
|
|
+ * following:
|
|
|
+ * - BATADV_DAT_CANDIDATE_NOT_FOUND
|
|
|
+ * - BATADV_DAT_CANDIDATE_ORIG
|
|
|
+ */
|
|
|
int type;
|
|
|
+
|
|
|
+ /**
|
|
|
+ * @orig_node: if type is BATADV_DAT_CANDIDATE_ORIG this field points to
|
|
|
+ * the corresponding originator node structure
|
|
|
+ */
|
|
|
struct batadv_orig_node *orig_node;
|
|
|
};
|
|
|
|
|
|
/**
|
|
|
* struct batadv_tvlv_container - container for tvlv appended to OGMs
|
|
|
- * @list: hlist node for batadv_priv_tvlv::container_list
|
|
|
- * @tvlv_hdr: tvlv header information needed to construct the tvlv
|
|
|
- * @refcount: number of contexts the object is used
|
|
|
*/
|
|
|
struct batadv_tvlv_container {
|
|
|
+ /** @list: hlist node for &batadv_priv_tvlv.container_list */
|
|
|
struct hlist_node list;
|
|
|
+
|
|
|
+ /** @tvlv_hdr: tvlv header information needed to construct the tvlv */
|
|
|
struct batadv_tvlv_hdr tvlv_hdr;
|
|
|
+
|
|
|
+ /** @refcount: number of contexts the object is used */
|
|
|
struct kref refcount;
|
|
|
};
|
|
|
|
|
|
/**
|
|
|
* struct batadv_tvlv_handler - handler for specific tvlv type and version
|
|
|
- * @list: hlist node for batadv_priv_tvlv::handler_list
|
|
|
- * @ogm_handler: handler callback which is given the tvlv payload to process on
|
|
|
- * incoming OGM packets
|
|
|
- * @unicast_handler: handler callback which is given the tvlv payload to process
|
|
|
- * on incoming unicast tvlv packets
|
|
|
- * @type: tvlv type this handler feels responsible for
|
|
|
- * @version: tvlv version this handler feels responsible for
|
|
|
- * @flags: tvlv handler flags
|
|
|
- * @refcount: number of contexts the object is used
|
|
|
- * @rcu: struct used for freeing in an RCU-safe manner
|
|
|
*/
|
|
|
struct batadv_tvlv_handler {
|
|
|
+ /** @list: hlist node for &batadv_priv_tvlv.handler_list */
|
|
|
struct hlist_node list;
|
|
|
+
|
|
|
+ /**
|
|
|
+ * @ogm_handler: handler callback which is given the tvlv payload to
|
|
|
+ * process on incoming OGM packets
|
|
|
+ */
|
|
|
void (*ogm_handler)(struct batadv_priv *bat_priv,
|
|
|
struct batadv_orig_node *orig,
|
|
|
u8 flags, void *tvlv_value, u16 tvlv_value_len);
|
|
|
+
|
|
|
+ /**
|
|
|
+ * @unicast_handler: handler callback which is given the tvlv payload to
|
|
|
+ * process on incoming unicast tvlv packets
|
|
|
+ */
|
|
|
int (*unicast_handler)(struct batadv_priv *bat_priv,
|
|
|
u8 *src, u8 *dst,
|
|
|
void *tvlv_value, u16 tvlv_value_len);
|
|
|
+
|
|
|
+ /** @type: tvlv type this handler feels responsible for */
|
|
|
u8 type;
|
|
|
+
|
|
|
+ /** @version: tvlv version this handler feels responsible for */
|
|
|
u8 version;
|
|
|
+
|
|
|
+ /** @flags: tvlv handler flags */
|
|
|
u8 flags;
|
|
|
+
|
|
|
+ /** @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;
|
|
|
};
|
|
|
|
|
|
/**
|
|
|
* enum batadv_tvlv_handler_flags - tvlv handler flags definitions
|
|
|
- * @BATADV_TVLV_HANDLER_OGM_CIFNOTFND: tvlv ogm processing function will call
|
|
|
- * this handler even if its type was not found (with no data)
|
|
|
- * @BATADV_TVLV_HANDLER_OGM_CALLED: interval tvlv handling flag - the API marks
|
|
|
- * a handler as being called, so it won't be called if the
|
|
|
- * BATADV_TVLV_HANDLER_OGM_CIFNOTFND flag was set
|
|
|
*/
|
|
|
enum batadv_tvlv_handler_flags {
|
|
|
+ /**
|
|
|
+ * @BATADV_TVLV_HANDLER_OGM_CIFNOTFND: tvlv ogm processing function
|
|
|
+ * will call this handler even if its type was not found (with no data)
|
|
|
+ */
|
|
|
BATADV_TVLV_HANDLER_OGM_CIFNOTFND = BIT(1),
|
|
|
+
|
|
|
+ /**
|
|
|
+ * @BATADV_TVLV_HANDLER_OGM_CALLED: interval tvlv handling flag - the
|
|
|
+ * API marks a handler as being called, so it won't be called if the
|
|
|
+ * BATADV_TVLV_HANDLER_OGM_CIFNOTFND flag was set
|
|
|
+ */
|
|
|
BATADV_TVLV_HANDLER_OGM_CALLED = BIT(2),
|
|
|
};
|
|
|
|
|
|
/**
|
|
|
* struct batadv_store_mesh_work - Work queue item to detach add/del interface
|
|
|
* from sysfs locks
|
|
|
- * @net_dev: netdevice to add/remove to/from batman-adv soft-interface
|
|
|
- * @soft_iface_name: name of soft-interface to modify
|
|
|
- * @work: work queue item
|
|
|
*/
|
|
|
struct batadv_store_mesh_work {
|
|
|
+ /**
|
|
|
+ * @net_dev: netdevice to add/remove to/from batman-adv soft-interface
|
|
|
+ */
|
|
|
struct net_device *net_dev;
|
|
|
+
|
|
|
+ /** @soft_iface_name: name of soft-interface to modify */
|
|
|
char soft_iface_name[IFNAMSIZ];
|
|
|
+
|
|
|
+ /** @work: work queue item */
|
|
|
struct work_struct work;
|
|
|
};
|
|
|
|
David S. Miller