netifd: Add option to configure locktime for each device

The UCI parameter neighlocktime allows to control the hardware
address to IP mapping lock time in the IPv4 neighbour table.

The IPv6 lock time was not set because it is not used at all in any
kernel versions, hardware address override being controlled in this case
by the override flag present in the NA packet.

Signed-off-by: Alin Nastac <alin.nastac@gmail.com>

1 files changed, 3 insertions, 0 deletions

diff --git a/device.h b/device.h
index 87236d4..feb865f 100644
--- a/device.h
+++ b/device.h
@@ -51,6 +51,7 @@ enum {
 	DEV_ATTR_UNICAST_FLOOD,
 	DEV_ATTR_NEIGHGCSTALETIME,
 	DEV_ATTR_SENDREDIRECTS,
+	DEV_ATTR_NEIGHLOCKTIME,
 	__DEV_ATTR_MAX,
 };
 
@@ -103,6 +104,7 @@ enum {
 	DEV_OPT_NEIGHGCSTALETIME	= (1 << 19),
 	DEV_OPT_MULTICAST_FAST_LEAVE	= (1 << 20),
 	DEV_OPT_SENDREDIRECTS		= (1 << 21),
+	DEV_OPT_NEIGHLOCKTIME		= (1 << 22),
 };
 
 /* events broadcasted to all users of a device */
@@ -160,6 +162,7 @@ struct device_settings {
 	unsigned int neigh6reachabletime;
 	unsigned int neigh4gcstaletime;
 	unsigned int neigh6gcstaletime;
+	unsigned int neigh4locktime;
 	bool rps;
 	bool xps;
 	unsigned int dadtransmits;