[linux-next] LinuxNextTracking branch, master, updated. next-20120904

batman at open-mesh.org batman at open-mesh.org
Wed Sep 5 00:17:24 CEST 2012


The following commit has been merged in the master branch:
commit 371351731e9c2a7d8f4b169731495cb4f0589063
Author: Antonio Quartulli <ordex at autistici.org>
Date:   Thu Jul 5 23:38:30 2012 +0200

    batman-adv: change interface_rx to get orig node
    
    In order to understand  where a broadcast packet is coming from and use
    this information to detect not yet announced clients, this patch modifies the
    interface_rx() function by passing a new argument: the orig node
    corresponding to the node that originated the received packet (if known).
    This new argument if not NULL for broadcast packets only (other packets does not
    have source field).
    
    Signed-off-by: Antonio Quartulli <ordex at autistici.org>

diff --git a/net/batman-adv/routing.c b/net/batman-adv/routing.c
index 9f933c9..939fc01 100644
--- a/net/batman-adv/routing.c
+++ b/net/batman-adv/routing.c
@@ -1012,8 +1012,9 @@ int batadv_recv_unicast_packet(struct sk_buff *skb,
 
 	/* packet for me */
 	if (batadv_is_my_mac(unicast_packet->dest)) {
-		batadv_interface_rx(recv_if->soft_iface, skb, recv_if,
-				    hdr_size);
+		batadv_interface_rx(recv_if->soft_iface, skb, recv_if, hdr_size,
+				    NULL);
+
 		return NET_RX_SUCCESS;
 	}
 
@@ -1050,7 +1051,7 @@ int batadv_recv_ucast_frag_packet(struct sk_buff *skb,
 			return NET_RX_SUCCESS;
 
 		batadv_interface_rx(recv_if->soft_iface, new_skb, recv_if,
-				    sizeof(struct batadv_unicast_packet));
+				    sizeof(struct batadv_unicast_packet), NULL);
 		return NET_RX_SUCCESS;
 	}
 
@@ -1137,7 +1138,8 @@ int batadv_recv_bcast_packet(struct sk_buff *skb,
 		goto out;
 
 	/* broadcast for me */
-	batadv_interface_rx(recv_if->soft_iface, skb, recv_if, hdr_size);
+	batadv_interface_rx(recv_if->soft_iface, skb, recv_if, hdr_size,
+			    orig_node);
 	ret = NET_RX_SUCCESS;
 	goto out;
 
diff --git a/net/batman-adv/soft-interface.c b/net/batman-adv/soft-interface.c
index 03b0763..7b683e0 100644
--- a/net/batman-adv/soft-interface.c
+++ b/net/batman-adv/soft-interface.c
@@ -270,7 +270,7 @@ end:
 
 void batadv_interface_rx(struct net_device *soft_iface,
 			 struct sk_buff *skb, struct batadv_hard_iface *recv_if,
-			 int hdr_size)
+			 int hdr_size, struct batadv_orig_node *orig_node)
 {
 	struct batadv_priv *bat_priv = netdev_priv(soft_iface);
 	struct ethhdr *ethhdr;
@@ -322,6 +322,10 @@ void batadv_interface_rx(struct net_device *soft_iface,
 
 	soft_iface->last_rx = jiffies;
 
+	if (orig_node)
+		batadv_tt_add_temporary_global_entry(bat_priv, orig_node,
+						     ethhdr->h_source);
+
 	if (batadv_is_ap_isolated(bat_priv, ethhdr->h_source, ethhdr->h_dest))
 		goto dropped;
 
diff --git a/net/batman-adv/soft-interface.h b/net/batman-adv/soft-interface.h
index 852c683..07a08fe 100644
--- a/net/batman-adv/soft-interface.h
+++ b/net/batman-adv/soft-interface.h
@@ -21,8 +21,9 @@
 #define _NET_BATMAN_ADV_SOFT_INTERFACE_H_
 
 int batadv_skb_head_push(struct sk_buff *skb, unsigned int len);
-void batadv_interface_rx(struct net_device *soft_iface, struct sk_buff *skb,
-			 struct batadv_hard_iface *recv_if, int hdr_size);
+void batadv_interface_rx(struct net_device *soft_iface,
+			 struct sk_buff *skb, struct batadv_hard_iface *recv_if,
+			 int hdr_size, struct batadv_orig_node *orig_node);
 struct net_device *batadv_softif_create(const char *name);
 void batadv_softif_destroy(struct net_device *soft_iface);
 int batadv_softif_is_valid(const struct net_device *net_dev);

-- 
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