grub-0.97/netboot/r8169.c

16 *    along with this program; if not, write to the Free Software
28 *    Thanks to:
30 *    	providing the evaluation NIC used to develop
44 /* to get some global routines like printf */
46 /* to get the interface to the body of the program */
48 /* to get the PCI support functions, if this is a PCI NIC */
88 /* Maximum events (Rx packets, etc.) to handle at each interrupt. */
93 /* Maximum number of multicast addresses to filter (vs. Rx-all-multicast).
285 /* The descriptors for this card are required to be aligned on
287 16 bytes of alignment it requires some extra steps.  Add 256 to the
294 TX Descriptor.  All descriptors point to a
302 RX Descriptor   All descriptors point to a
335 		/* Check if the RTL8169 has completed writing to the specified MII register */
396 	/* identify chip attached to board */
448 	/* return true if there's an ethernet packet ready to read */
491 	/* FIXME: There is no reason to do this as cur_rx did not change */
493 	return (0);		/* initially as this is called to flush the input */
505 	/* send the packet to destination */
508 	u32 to;
512 	/* point to the current txb incase multiple tx_rings are used */
536 	to = currticks() + TX_TIMEOUT;
537 	while ((tpc->TxDescArray[entry].status & OWNbit) && (currticks() < to));	/* wait */
539 	if (currticks() >= to) {
551 	/* Too many to filter perfectly -- accept all multicasts. */
707 PROBE - Look for an adapter, this routine's visible to the outside
727 	/* point to private storage */
820 		}		/* end for-loop to wait for auto-negotiation process */
832 	/* point to NIC specific routines */