}
static int netdev_ip6gre_fill_message_create(NetDev *netdev, Link *link, sd_netlink_message *m) {
+ uint32_t ikey = 0;
+ uint32_t okey = 0;
+ uint16_t iflags = 0;
+ uint16_t oflags = 0;
Tunnel *t;
int r;
if (r < 0)
return log_netdev_error_errno(netdev, r, "Could not append IFLA_GRE_FLAGS attribute: %m");
+ if (t->key != 0) {
+ ikey = okey = htobe32(t->key);
+ iflags |= GRE_KEY;
+ oflags |= GRE_KEY;
+ }
+
+ if (t->ikey != 0) {
+ ikey = htobe32(t->ikey);
+ iflags |= GRE_KEY;
+ }
+
+ if (t->okey != 0) {
+ okey = htobe32(t->okey);
+ oflags |= GRE_KEY;
+ }
+
+ r = sd_netlink_message_append_u32(m, IFLA_GRE_IKEY, ikey);
+ if (r < 0)
+ return log_netdev_error_errno(netdev, r, "Could not append IFLA_GRE_IKEY attribute: %m");
+
+ r = sd_netlink_message_append_u32(m, IFLA_GRE_OKEY, okey);
+ if (r < 0)
+ return log_netdev_error_errno(netdev, r, "Could not append IFLA_GRE_OKEY attribute: %m");
+
+ r = sd_netlink_message_append_u16(m, IFLA_GRE_IFLAGS, iflags);
+ if (r < 0)
+ return log_netdev_error_errno(netdev, r, "Could not append IFLA_GRE_IFLAGS attribute: %m");
+
+ r = sd_netlink_message_append_u16(m, IFLA_GRE_OFLAGS, oflags);
+ if (r < 0)
+ return log_netdev_error_errno(netdev, r, "Could not append IFLA_GRE_OFLAGS, attribute: %m");
+
return r;
}