qeth_set_csum_off
qeth_set_csum_off(card, cstype, prot);
qeth_set_csum_off(card, cstype, prot);
qeth_set_csum_off(card, cstype, prot);
qeth_set_csum_off(card, cstype, prot);
qeth_set_csum_off(card, cstype, prot);