MPLS_LS_S_MASK
mpls_mask |= MPLS_LS_S_MASK;
#define MPLS_BOS_MASK (MPLS_LS_S_MASK >> MPLS_LS_S_SHIFT)
bos = (entry & MPLS_LS_S_MASK) >> MPLS_LS_S_SHIFT;
result.bos = (entry & MPLS_LS_S_MASK) >> MPLS_LS_S_SHIFT;
if (lse & htonl(MPLS_LS_S_MASK))
new_lse &= ~MPLS_LS_S_MASK;
if (label & MPLS_LS_S_MASK) {
MPLS_LS_S_MASK | 0xff);