FDB example code

Functions
void	bridgeif_fdb_update_src (void *fdb_ptr, struct eth_addr *src_addr, u8_t port_idx)
bridgeif_portmask_t	bridgeif_fdb_get_dst_ports (void *fdb_ptr, struct eth_addr *dst_addr)
void *	bridgeif_fdb_init (u16_t max_fdb_entries)

Detailed Description

This file implements an example for an FDB (Forwarding DataBase)

Function Documentation

bridgeif_fdb_get_dst_ports()

bridgeif_portmask_t bridgeif_fdb_get_dst_ports	(	void *	fdb_ptr,
		struct eth_addr *	dst_addr
	)

Walk our list of auto-learnt fdb entries and return a port to forward or BR_FLOOD if unknown

bridgeif_fdb_init()

void* bridgeif_fdb_init

(

u16_t

max_fdb_entries

)

Init our simple fdb list

bridgeif_fdb_update_src()

void bridgeif_fdb_update_src	(	void *	fdb_ptr,
		struct eth_addr *	src_addr,
		u8_t	port_idx
	)

A real simple and slow implementation of an auto-learning forwarding database that remembers known src mac addresses to know which port to send frames destined for that mac address.

ATTENTION: This is meant as an example only, in real-world use, you should provide a better implementation :-)