op->len = payload_len - icv_sz + iv_sz + sizeof (esp_header_t);
op->flags = 0;
op->user_data = b - bufs;
- if (ipsec_sa_is_set_USE_EXTENDED_SEQ_NUM (sa0))
+ if (ipsec_sa_is_set_USE_ESN (sa0))
{
u32 seq_hi = clib_net_to_host_u32 (sa0->seq_hi);
clib_memcpy_fast (op->dst, &seq_hi, sizeof (seq_hi));