route: Remove kroutes and make froutes optional

This is an attempt to reduce the memory dhcpcd uses.
By removing kroutes and froutes from global context.

kroutes are generated at the start of rt_build and freed at
the end.

1 files changed, 1 insertions, 6 deletions

diff --git a/src/ipv6.c b/src/ipv6.c
index ee626330..34c302fe 100644
--- a/src/ipv6.c
+++ b/src/ipv6.c
@@ -1604,7 +1604,6 @@ ipv6_startstatic(struct interface *ifp)
 	ia->prefix_pltime = ND6_INFINITE_LIFETIME;
 	ia->dadcallback = ipv6_staticdadcallback;
 	ipv6_addaddr(ia, NULL);
-	if_initrt(ifp->ctx, AF_INET6);
 	rt_build(ifp->ctx, AF_INET6);
 	if (run_script)
 		script_runreason(ifp, "STATIC6");
@@ -1646,8 +1645,6 @@ ipv6_start(struct interface *ifp)
 			ipv6_regentempifid(ifp);
 	}
 
-	/* Load existing routes */
-	if_initrt(ifp->ctx, AF_INET6);
 	return 0;
 }
 
@@ -1671,10 +1668,8 @@ ipv6_freedrop(struct interface *ifp, int drop)
 
 	ipv6_freedrop_addrs(&state->addrs, drop ? 2 : 0, NULL);
 	if (drop) {
-		if (ifp->ctx->ra_routers != NULL) {
-			if_initrt(ifp->ctx, AF_INET6);
+		if (ifp->ctx->ra_routers != NULL)
 			rt_build(ifp->ctx, AF_INET6);
-		}
 	} else {
 		/* Because we need to cache the addresses we don't control,
 		 * we only free the state on when NOT dropping addresses. */