batman-adv: introduce capability initialization bitfield

[cascardo/linux.git] / net / batman-adv / types.h

diff --git a/net/batman-adv/types.h b/net/batman-adv/types.h
index 78370ab..b46117c 100644 (file)
--- a/net/batman-adv/types.h
+++ b/net/batman-adv/types.h
@@ -163,7 +163,7 @@ struct batadv_vlan_tt {
 };
 
 /**
- * batadv_orig_node_vlan - VLAN specific data per orig_node
+ * struct batadv_orig_node_vlan - VLAN specific data per orig_node
  * @vid: the VLAN identifier
  * @tt: VLAN specific TT attributes
  * @list: list node for orig_node::vlan_list
@@ -205,13 +205,12 @@ struct batadv_orig_bat_iv {
  * @last_seen: time when last packet from this node was received
  * @bcast_seqno_reset: time when the broadcast seqno window was reset
  * @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_initialised: bool keeping track of whether or not this node have received
- *  any translation table information from the orig node yet
  * @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
@@ -248,11 +247,11 @@ struct batadv_orig_node {
        unsigned long last_seen;
        unsigned long bcast_seqno_reset;
        uint8_t capabilities;
+       uint8_t capa_initialized;
        atomic_t last_ttvn;
        unsigned char *tt_buff;
        int16_t tt_buff_len;
        spinlock_t tt_buff_lock; /* protects tt_buff & tt_buff_len */
-       bool tt_initialised;
        /* prevents from changing the table while reading it */
        spinlock_t tt_lock;
        DECLARE_BITMAP(bcast_bits, BATADV_TQ_LOCAL_WINDOW_SIZE);
@@ -282,10 +281,12 @@ struct batadv_orig_node {
  * 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
  */
 enum batadv_orig_capabilities {
        BATADV_ORIG_CAPA_HAS_DAT = BIT(0),
        BATADV_ORIG_CAPA_HAS_NC = BIT(1),
+       BATADV_ORIG_CAPA_HAS_TT = BIT(2),
 };
 
 /**
@@ -334,7 +335,7 @@ struct batadv_neigh_node {
 };
 
 /**
- * struct batadv_neigh_node_bat_iv - neighbor information per outgoing
+ * struct batadv_neigh_ifinfo_bat_iv - neighbor information per outgoing
  *  interface for BATMAN IV
  * @tq_recv: ring buffer of received TQ values from this neigh node
  * @tq_index: ring buffer index
@@ -544,7 +545,7 @@ struct batadv_priv_bla {
 #endif
 
 /**
- * struct batadv_debug_log - debug logging data
+ * 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
@@ -607,6 +608,16 @@ struct batadv_priv_dat {
 };
 #endif
 
+#ifdef CONFIG_BATMAN_ADV_MCAST
+/**
+ * struct batadv_priv_mcast - per mesh interface mcast data
+ * @mla_list: list of multicast addresses we are currently announcing via TT
+ */
+struct batadv_priv_mcast {
+       struct hlist_head mla_list;
+};
+#endif
+
 /**
  * struct batadv_priv_nc - per mesh interface network coding private data
  * @work: work queue callback item for cleanup
@@ -702,6 +713,7 @@ struct batadv_softif_vlan {
  * @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
  * @batadv_priv_nc: network coding data
  */
@@ -759,6 +771,9 @@ struct batadv_priv {
 #ifdef CONFIG_BATMAN_ADV_DAT
        struct batadv_priv_dat dat;
 #endif
+#ifdef CONFIG_BATMAN_ADV_MCAST
+       struct batadv_priv_mcast mcast;
+#endif
 #ifdef CONFIG_BATMAN_ADV_NC
        atomic_t network_coding;
        struct batadv_priv_nc nc;
@@ -1004,8 +1019,8 @@ struct batadv_nc_packet {
 };
 
 /**
- * batadv_skb_cb - control buffer structure used to store private data relevant
- *  to batman-adv in the skb->cb buffer in skbs.
+ * 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
  */
@@ -1115,6 +1130,16 @@ struct batadv_dat_entry {
        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 {
+       struct hlist_node list;
+       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: