T_R
bd_status = (bd_status & T_W) | T_R | T_I | T_L | skb->len;
while ((bd_status & T_R) == 0) {
if (!(bdstatus & (T_R | BD_LENGTH_MASK))) {
bdstatus |= T_R | T_I | T_L | T_TC
bdstatus |= T_R | T_I | T_L | frame_get_length(frame);
while (!(bdstatus & T_R) && (bdstatus & ~T_W)) {
while (!(bdstatus & T_R) && (bdstatus & ~T_W)) {
if (!(in_be32((u32 __iomem *)bd) & T_R)