ILLF_COS_ENABLED
ill->ill_flags &= ~ILLF_COS_ENABLED;
ill->ill_flags |= ILLF_COS_ENABLED;
if (ill->ill_flags & ILLF_COS_ENABLED) {
ipmp_ill->ill_flags |= ILLF_COS_ENABLED;
if (!(ill->ill_flags & ILLF_COS_ENABLED)) {
ipmp_ill->ill_flags &= ~ILLF_COS_ENABLED;
ipmp_ill->ill_flags &= ~ILLF_COS_ENABLED;
if (!(ill->ill_flags & ILLF_COS_ENABLED)) {
ASSERT(!(ipmp_ill->ill_flags & ILLF_COS_ENABLED));
if (!(ill->ill_flags & ILLF_COS_ENABLED))
ipmp_ill->ill_flags |= ILLF_COS_ENABLED;
if (!(ill->ill_flags & ILLF_COS_ENABLED)) {