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lwIP
2.1.1
Lightweight IP stack
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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) |
This file implements an example for an FDB (Forwarding DataBase)
| 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
| void* bridgeif_fdb_init | ( | u16_t | max_fdb_entries | ) |
Init our simple fdb list
| 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 :-)