memcpy(&hdr->iv[0], &sa->iv.gcm.nonce, 4);
memcpy(&hdr->iv[4], rte_crypto_op_ctod_offset(cop, uint8_t *,
sess->iv_offset), sess->iv_length);
memcpy(&hdr->iv[0], &sa->iv.gcm.nonce, 4);
memcpy(&hdr->iv[4], rte_crypto_op_ctod_offset(cop, uint8_t *,
sess->iv_offset), sess->iv_length);