batman-adv: Distributed ARP Table - add snooping functions for ARP messages

[~andy/linux] / net / batman-adv / main.h

diff --git a/net/batman-adv/main.h b/net/batman-adv/main.h
index d57b746219de057c931d8459f1ccef84ce711cee..240c74ffeb93f33febacba9e44a0e5a3f7ff616c 100644 (file)
--- a/net/batman-adv/main.h
+++ b/net/batman-adv/main.h
@@ -44,6 +44,7 @@
 #define BATADV_TT_LOCAL_TIMEOUT 3600000 /* in milliseconds */
 #define BATADV_TT_CLIENT_ROAM_TIMEOUT 600000 /* in milliseconds */
 #define BATADV_TT_CLIENT_TEMP_TIMEOUT 600000 /* in milliseconds */
+#define BATADV_DAT_ENTRY_TIMEOUT (5*60000) /* 5 mins in milliseconds */
 /* sliding packet range of received originator messages in sequence numbers
  * (should be a multiple of our word size)
  */
@@ -73,6 +74,11 @@
 
 #define BATADV_LOG_BUF_LEN 8192          /* has to be a power of 2 */
 
+/* msecs after which an ARP_REQUEST is sent in broadcast as fallback */
+#define ARP_REQ_DELAY 250
+/* numbers of originator to contact for any PUT/GET DHT operation */
+#define BATADV_DAT_CANDIDATES_NUM 3
+
 #define BATADV_VIS_INTERVAL 5000       /* 5 seconds */
 
 /* how much worse secondary interfaces may be to be considered as bonding
@@ -117,6 +123,9 @@ enum batadv_uev_type {
 
 #define BATADV_GW_THRESHOLD    50
 
+#define BATADV_DAT_CANDIDATE_NOT_FOUND 0
+#define BATADV_DAT_CANDIDATE_ORIG      1
+
 /* Debug Messages */
 #ifdef pr_fmt
 #undef pr_fmt
@@ -150,9 +159,9 @@ extern struct workqueue_struct *batadv_event_workqueue;
 
 int batadv_mesh_init(struct net_device *soft_iface);
 void batadv_mesh_free(struct net_device *soft_iface);
-void batadv_inc_module_count(void);
-void batadv_dec_module_count(void);
 int batadv_is_my_mac(const uint8_t *addr);
+struct batadv_hard_iface *
+batadv_seq_print_text_primary_if_get(struct seq_file *seq);
 int batadv_batman_skb_recv(struct sk_buff *skb, struct net_device *dev,
                           struct packet_type *ptype,
                           struct net_device *orig_dev);
@@ -165,13 +174,22 @@ int batadv_algo_register(struct batadv_algo_ops *bat_algo_ops);
 int batadv_algo_select(struct batadv_priv *bat_priv, char *name);
 int batadv_algo_seq_print_text(struct seq_file *seq, void *offset);
 
-/* all messages related to routing / flooding / broadcasting / etc */
+/**
+ * enum batadv_dbg_level - available log levels
+ * @BATADV_DBG_BATMAN: OGM and TQ computations related messages
+ * @BATADV_DBG_ROUTES: route added / changed / deleted
+ * @BATADV_DBG_TT: translation table messages
+ * @BATADV_DBG_BLA: bridge loop avoidance messages
+ * @BATADV_DBG_DAT: ARP snooping and DAT related messages
+ * @BATADV_DBG_ALL: the union of all the above log levels
+ */
 enum batadv_dbg_level {
        BATADV_DBG_BATMAN = BIT(0),
-       BATADV_DBG_ROUTES = BIT(1), /* route added / changed / deleted */
-       BATADV_DBG_TT     = BIT(2), /* translation table operations */
-       BATADV_DBG_BLA    = BIT(3), /* bridge loop avoidance */
-       BATADV_DBG_ALL    = 15,
+       BATADV_DBG_ROUTES = BIT(1),
+       BATADV_DBG_TT     = BIT(2),
+       BATADV_DBG_BLA    = BIT(3),
+       BATADV_DBG_DAT    = BIT(4),
+       BATADV_DBG_ALL    = 31,
 };
 
 #ifdef CONFIG_BATMAN_ADV_DEBUG