net: if: Lower ram usage for IP address lifetime handling
Instead of having one delayed_work struct / IP address, use
only one delayed_work struct for lifetime timer. This saves
over 20 bytes / allocated address struct.
Signed-off-by: Jukka Rissanen <jukka.rissanen@linux.intel.com>
diff --git a/include/net/net_if.h b/include/net/net_if.h
index 98c88ef..6fbf08f 100644
--- a/include/net/net_if.h
+++ b/include/net/net_if.h
@@ -49,8 +49,16 @@
/** IP address */
struct net_addr address;
- /** Timer that triggers renewal */
- struct k_delayed_work lifetime;
+#if defined(CONFIG_NET_IPV6)
+ /** Used for track timers */
+ sys_snode_t node;
+
+ /** Address lifetime timer start time */
+ s64_t lifetime_timer_start;
+
+ /** lifetime timer timeout */
+ u32_t lifetime_timer_timeout;
+#endif
#if defined(CONFIG_NET_IPV6_DAD)
/** Duplicate address detection (DAD) timer */
