SPI_SIZE
m_copydata(m, skip, SPI_SIZE, crp->crp_aad);
aad_skip = SPI_SIZE;
m_copydata(m, skip + SPI_SIZE,
m_copydata(m, skip, SPI_SIZE, crp->crp_aad);
aad_skip = SPI_SIZE;
m_copydata(m, skip + SPI_SIZE,