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authorSven Eckelmann <sven@narfation.org>2018-11-23 13:28:02 +0100
committerSimon Wunderlich <sw@simonwunderlich.de>2019-02-09 14:28:15 +0100
commit7b751b39f018a828a04692e199c044087102e96c (patch)
tree3bd8c30f9e8b11e092952a1d213732799517b01e /net/batman-adv
parent6c57cde6800bae2361b8ac14a5924ffc592b3a90 (diff)
batman-adv: Add orig_interval mesh genl configuration
The OGM packets are transmitted every orig_interval milliseconds. This value can be changed using the configuration interface. The BATADV_CMD_SET_MESH/BATADV_CMD_GET_MESH commands allow to set/get the configuration of this feature using the u32 BATADV_ATTR_ORIG_INTERVAL attribute. Signed-off-by: Sven Eckelmann <sven@narfation.org> Signed-off-by: Simon Wunderlich <sw@simonwunderlich.de>
Diffstat (limited to 'net/batman-adv')
-rw-r--r--net/batman-adv/netlink.c17
1 files changed, 17 insertions, 0 deletions
diff --git a/net/batman-adv/netlink.c b/net/batman-adv/netlink.c
index 6f01f92e6ab3..e25c139ba0e1 100644
--- a/net/batman-adv/netlink.c
+++ b/net/batman-adv/netlink.c
@@ -158,6 +158,7 @@ static const struct nla_policy batadv_netlink_policy[NUM_BATADV_ATTR] = {
[BATADV_ATTR_LOG_LEVEL] = { .type = NLA_U32 },
[BATADV_ATTR_MULTICAST_FORCEFLOOD_ENABLED] = { .type = NLA_U8 },
[BATADV_ATTR_NETWORK_CODING_ENABLED] = { .type = NLA_U8 },
+ [BATADV_ATTR_ORIG_INTERVAL] = { .type = NLA_U32 },
};
/**
@@ -358,6 +359,10 @@ static int batadv_netlink_mesh_fill(struct sk_buff *msg,
goto nla_put_failure;
#endif /* CONFIG_BATMAN_ADV_NC */
+ if (nla_put_u32(msg, BATADV_ATTR_ORIG_INTERVAL,
+ atomic_read(&bat_priv->orig_interval)))
+ goto nla_put_failure;
+
if (primary_if)
batadv_hardif_put(primary_if);
@@ -596,6 +601,18 @@ static int batadv_netlink_set_mesh(struct sk_buff *skb, struct genl_info *info)
}
#endif /* CONFIG_BATMAN_ADV_NC */
+ if (info->attrs[BATADV_ATTR_ORIG_INTERVAL]) {
+ u32 orig_interval;
+
+ attr = info->attrs[BATADV_ATTR_ORIG_INTERVAL];
+ orig_interval = nla_get_u32(attr);
+
+ orig_interval = min_t(u32, orig_interval, INT_MAX);
+ orig_interval = max_t(u32, orig_interval, 2 * BATADV_JITTER);
+
+ atomic_set(&bat_priv->orig_interval, orig_interval);
+ }
+
batadv_netlink_notify_mesh(bat_priv);
return 0;