really ugly hack at present, but that doesn't hugely matter since I'm
aiming to change the interface to iSCSI devices anyway within the next
week.

in tcp_rx_data().

Clarify comments on discarding duplicate or out-of-order data.

SCSI interface not yet implemented.

implemented; should be done at some point.)

obtained via xfer_window().

xfer_window() function, which can return a scalar rather than a
boolean.

safe dropping of the netdev ref by the driver while other refs still
exist.

Add netdev_irq() method.  Net device open()/close() methods should no
longer enable or disable IRQs.

Remove rx_quota; it wasn't used anywhere and added too much complexity
to implementing correct interrupt-masking behaviour in pxe_undi.c.

not apply DHCP options in dhcp_configure_netdev().

permanent processes, rather than requiring each one to have its own
initialisation function.

via UNDI API and also by ifstat command; may be useful for debugging.

begin with.

DHCPD and Windows RIS in particular).

portion, not to the bit we want to currently write to...