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batman-adv: B.A.T.M.A.N. V - implement neighbor comparison API calls

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Signed-off-by: Antonio Quartulli <antonio@open-mesh.com>
Signed-off-by: Marek Lindner <mareklindner@neomailbox.ch>
This commit is contained in:
Antonio Quartulli 2016-01-16 16:40:17 +08:00 • committed by Antonio Quartulli
parent 8d2d499e08
commit 9786906022
1 changed files with 38 additions and 0 deletions
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38
net/batman-adv/bat_v.c
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@ -19,12 +19,15 @@
#include "main.h" #include "main.h"
#include <linux/atomic.h> #include <linux/atomic.h>
#include <linux/bug.h>
#include <linux/cache.h> #include <linux/cache.h>
#include <linux/init.h> #include <linux/init.h>
#include <linux/types.h>
#include <linux/workqueue.h> #include <linux/workqueue.h>
#include "bat_v_elp.h" #include "bat_v_elp.h"
#include "bat_v_ogm.h" #include "bat_v_ogm.h"
#include "originator.h"
#include "packet.h" #include "packet.h"
static int batadv_v_iface_enable(struct batadv_hard_iface *hard_iface) 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 = { static struct batadv_algo_ops batadv_batman_v __read_mostly = {
.name = "BATMAN_V", .name = "BATMAN_V",
.bat_iface_enable = batadv_v_iface_enable, .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_hardif_neigh_init = batadv_v_hardif_neigh_init,
.bat_ogm_emit = batadv_v_ogm_emit, .bat_ogm_emit = batadv_v_ogm_emit,
.bat_ogm_schedule = batadv_v_ogm_schedule, .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,
}; };
/** /**