CSR_SR
if ((GETCSR(afep, CSR_SR) & (SR_TX_STATE | SR_RX_STATE)) == 0)
switch (GETCSR(afep, CSR_SR) & SR_BERR_TYPE) {
if ((GETCSR(mxfep, CSR_SR) & (SR_TX_STATE | SR_RX_STATE)) == 0)
PUTCSR(mxfep, CSR_SR, INT_RXSTOPPED | INT_TXSTOPPED);
status = GETCSR(mxfep, CSR_SR) & INT_ALL;
PUTCSR(mxfep, CSR_SR, status);
PUTCSR(mxfep, CSR_SR, INT_ALL);