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Diffstat (limited to 'interface-ip.c')
-rw-r--r--interface-ip.c33
1 files changed, 19 insertions, 14 deletions
diff --git a/interface-ip.c b/interface-ip.c
index 1490ca4..716a093 100644
--- a/interface-ip.c
+++ b/interface-ip.c
@@ -761,15 +761,7 @@ interface_set_prefix_address(struct device_prefix_assignment *assignment,
memset(&addr, 0, sizeof(addr));
memset(&route, 0, sizeof(route));
- if (IN6_IS_ADDR_UNSPECIFIED(&assignment->addr)) {
- addr.addr.in6 = prefix->addr;
- addr.addr.in6.s6_addr32[1] |= htonl(assignment->assigned);
- generate_ifaceid(iface, &addr.addr.in6);
- assignment->addr = addr.addr.in6;
- }
- else
- addr.addr.in6 = assignment->addr;
-
+ addr.addr.in6 = assignment->addr;
addr.mask = assignment->length;
addr.flags = DEVADDR_INET6 | DEVADDR_OFFLINK;
addr.preferred_until = prefix->preferred_until;
@@ -778,11 +770,10 @@ interface_set_prefix_address(struct device_prefix_assignment *assignment,
route.flags = DEVADDR_INET6;
route.mask = addr.mask < 64 ? 64 : addr.mask;
route.addr = addr.addr;
- clear_if_addr(&route.addr, route.mask);
- interface_set_route_info(iface, &route);
if (!add && assignment->enabled) {
time_t now = system_get_rtime();
+
addr.preferred_until = now;
if (!addr.valid_until || addr.valid_until - now > 7200)
addr.valid_until = now + 7200;
@@ -800,12 +791,24 @@ interface_set_prefix_address(struct device_prefix_assignment *assignment,
addr.mask, 0, iface, "unreachable", true);
}
+ clear_if_addr(&route.addr, route.mask);
+ interface_set_route_info(iface, &route);
+
system_del_route(l3_downlink, &route);
system_add_address(l3_downlink, &addr);
assignment->enabled = false;
- } else if (add && (iface->state == IFS_UP || iface->state == IFS_SETUP) &&
- !system_add_address(l3_downlink, &addr)) {
+ } else if (add && (iface->state == IFS_UP || iface->state == IFS_SETUP)) {
+ if (IN6_IS_ADDR_UNSPECIFIED(&addr.addr.in6)) {
+ addr.addr.in6 = prefix->addr;
+ addr.addr.in6.s6_addr32[1] |= htonl(assignment->assigned);
+ generate_ifaceid(iface, &addr.addr.in6);
+ assignment->addr = addr.addr.in6;
+ route.addr = addr.addr;
+ }
+
+ if (system_add_address(l3_downlink, &addr))
+ return;
if (!assignment->enabled) {
if (iface->ip6table)
@@ -822,7 +825,9 @@ interface_set_prefix_address(struct device_prefix_assignment *assignment,
}
}
- route.metric = iface->metric;
+ clear_if_addr(&route.addr, route.mask);
+ interface_set_route_info(iface, &route);
+
system_add_route(l3_downlink, &route);
if (uplink && uplink->l3_dev.dev && !(l3_downlink->settings.flags & DEV_OPT_MTU6)) {