Scott Feldman 196d1dd58d add tcpip stack framework ...

Add basis for TCP/IP stack.  The stack implements Netdever interface for
the top-end, and calls into a Netlinker interface on the bottom-end.
Each TCP/IP stack instance represents a L3/L4 endpoint with an IP
address.  The Netlinker is bound when creating the stack.  E.g.:

	spi, cs, wlreg, irq := cyw43439.PicoWSpi(0)
	cyw43 := cyw43439.NewDevice(spi, cs, wlreg, irq, irq)
	stack := tcpip.NewStack(cyw43)
	netdev.UseNetdev(stack)

Here, the cyw43439 driver is the Netlinker for the stack.  The new stack
is a Netdever, so we tell the "net" package to use the stack as the
netdev.  The stack manages L3/L4 socket connections, ultimately calling
into the Netlinker to send/recv L2 Ethernet pkts.

2023-12-06 20:09:39 +01:00

..

netdev.go

add tcpip stack framework

2023-12-06 20:09:39 +01:00

stack.go

add tcpip stack framework

2023-12-06 20:09:39 +01:00