F81534_RECEIVE_BLOCK_SIZE
urb->actual_length % F81534_RECEIVE_BLOCK_SIZE) {
for (i = 0; i < urb->actual_length; i += F81534_RECEIVE_BLOCK_SIZE) {
buf[i * F81534_RECEIVE_BLOCK_SIZE] = i;
buf[i * F81534_RECEIVE_BLOCK_SIZE + 1] = F81534_TOKEN_WRITE;
buf[i * F81534_RECEIVE_BLOCK_SIZE + 2] = 0;
buf[i * F81534_RECEIVE_BLOCK_SIZE + 3] = 0;
&buf[phy_num * F81534_RECEIVE_BLOCK_SIZE + 4],
buf[phy_num * F81534_RECEIVE_BLOCK_SIZE + 2] = tx_len;