summaryrefslogtreecommitdiffstats
path: root/net/batman-adv
diff options
context:
space:
mode:
authorAntonio Quartulli <antonio@open-mesh.com>2016-01-16 16:40:17 +0800
committerAntonio Quartulli <a@unstable.cc>2016-02-29 16:25:07 +0800
commit9786906022eba35763b17c54a35913ca65151a78 (patch)
treed56cfd2459a6e91de5ae269e16c848c05b5ce19b /net/batman-adv
parent8d2d499e08145d9851097e1241ef15aad8c9170a (diff)
downloadlinux-9786906022eba35763b17c54a35913ca65151a78.tar.bz2
batman-adv: B.A.T.M.A.N. V - implement neighbor comparison API calls
Signed-off-by: Antonio Quartulli <antonio@open-mesh.com> Signed-off-by: Marek Lindner <mareklindner@neomailbox.ch>
Diffstat (limited to 'net/batman-adv')
-rw-r--r--net/batman-adv/bat_v.c38
1 files changed, 38 insertions, 0 deletions
diff --git a/net/batman-adv/bat_v.c b/net/batman-adv/bat_v.c
index ff31f2af9cfe..953c0d150231 100644
--- a/net/batman-adv/bat_v.c
+++ b/net/batman-adv/bat_v.c
@@ -19,12 +19,15 @@
#include "main.h"
#include <linux/atomic.h>
+#include <linux/bug.h>
#include <linux/cache.h>
#include <linux/init.h>
+#include <linux/types.h>
#include <linux/workqueue.h>
#include "bat_v_elp.h"
#include "bat_v_ogm.h"
+#include "originator.h"
#include "packet.h"
static int batadv_v_iface_enable(struct batadv_hard_iface *hard_iface)
@@ -78,6 +81,39 @@ static void batadv_v_ogm_emit(struct batadv_forw_packet *forw_packet)
{
}
+static int batadv_v_neigh_cmp(struct batadv_neigh_node *neigh1,
+ struct batadv_hard_iface *if_outgoing1,
+ struct batadv_neigh_node *neigh2,
+ struct batadv_hard_iface *if_outgoing2)
+{
+ struct batadv_neigh_ifinfo *ifinfo1, *ifinfo2;
+
+ ifinfo1 = batadv_neigh_ifinfo_get(neigh1, if_outgoing1);
+ ifinfo2 = batadv_neigh_ifinfo_get(neigh2, if_outgoing2);
+
+ if (WARN_ON(!ifinfo1 || !ifinfo2))
+ return 0;
+
+ return ifinfo1->bat_v.throughput - ifinfo2->bat_v.throughput;
+}
+
+static bool batadv_v_neigh_is_sob(struct batadv_neigh_node *neigh1,
+ struct batadv_hard_iface *if_outgoing1,
+ struct batadv_neigh_node *neigh2,
+ struct batadv_hard_iface *if_outgoing2)
+{
+ struct batadv_neigh_ifinfo *ifinfo1, *ifinfo2;
+ u32 threshold;
+
+ ifinfo1 = batadv_neigh_ifinfo_get(neigh1, if_outgoing1);
+ ifinfo2 = batadv_neigh_ifinfo_get(neigh2, if_outgoing2);
+
+ threshold = ifinfo1->bat_v.throughput / 4;
+ threshold = ifinfo1->bat_v.throughput - threshold;
+
+ return ifinfo2->bat_v.throughput > threshold;
+}
+
static struct batadv_algo_ops batadv_batman_v __read_mostly = {
.name = "BATMAN_V",
.bat_iface_enable = batadv_v_iface_enable,
@@ -87,6 +123,8 @@ static struct batadv_algo_ops batadv_batman_v __read_mostly = {
.bat_hardif_neigh_init = batadv_v_hardif_neigh_init,
.bat_ogm_emit = batadv_v_ogm_emit,
.bat_ogm_schedule = batadv_v_ogm_schedule,
+ .bat_neigh_cmp = batadv_v_neigh_cmp,
+ .bat_neigh_is_similar_or_better = batadv_v_neigh_is_sob,
};
/**