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 d553264..b46117c 100644 (file)
--- a/net/batman-adv/types.h
+++ b/net/batman-adv/types.h
@@ -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),
 };
 
 /**