267 typedef struct desc {  struct
270 } desc;  argument
290     desc desc[128];  member
293 static desc *rx_desc(OpenEthState *s)  in rx_desc()
295     return s->desc + s->rx_desc;  in rx_desc()
298 static desc *tx_desc(OpenEthState *s)  in tx_desc()
300     return s->desc + s->tx_desc;  in tx_desc()
404         desc *desc = rx_desc(s);  local
407         if (!(desc->len_flags & RXD_E)) {
413         desc->len_flags &= ~(RXD_CF | RXD_M | RXD_OR |
422             desc->len_flags |= RXD_M;
425             desc->len_flags |= RXD_TL;
429             desc->len_flags |= RXD_SF;
433         cpu_physical_memory_write(desc->buf_ptr, buf, copy_size);
445                 cpu_physical_memory_write(desc->buf_ptr + copy_size,
455         cpu_physical_memory_write(desc->buf_ptr + copy_size, zero, fcsl);
458         SET_FIELD(desc->len_flags, RXD_LEN, copy_size);
460         if ((desc->len_flags & RXD_WRAP) || s->rx_desc == 0x7f) {
465         desc->len_flags &= ~RXD_E;
467         trace_open_eth_receive_desc(desc->buf_ptr, desc->len_flags);
469         if (desc->len_flags & RXD_IRQ) {
485 static void open_eth_start_xmit(OpenEthState *s, desc *tx)
538     desc *tx = tx_desc(s);
692     memcpy(&v, (uint8_t *)s->desc + addr, size);
704     memcpy((uint8_t *)s->desc + addr, &val, size);
757     dc->desc = "Opencores 10/100 Mbit Ethernet";