{
gre_main_t *gm = &gre_main;
vnet_main_t *vnm = gm->vnet_main;
u32 next_index;
u32 *from, *to_next, n_left_from, n_left_to_next;
{
gre_main_t *gm = &gre_main;
vnet_main_t *vnm = gm->vnet_main;
u32 next_index;
u32 *from, *to_next, n_left_from, n_left_to_next;