diff options
| author | Antonio Quartulli <antonio@open-mesh.com> | 2016-01-16 16:40:17 +0800 |
|---|---|---|
| committer | Antonio Quartulli <a@unstable.cc> | 2016-02-29 16:25:07 +0800 |
| commit | 9786906022eba35763b17c54a35913ca65151a78 (patch) | |
| tree | d56cfd2459a6e91de5ae269e16c848c05b5ce19b /net/batman-adv/bat_v.c | |
| parent | 8d2d499e08145d9851097e1241ef15aad8c9170a (diff) | |
| download | linux-9786906022eba35763b17c54a35913ca65151a78.tar.gz | |
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/bat_v.c')
| -rw-r--r-- | net/batman-adv/bat_v.c | 38 |
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, }; /** |