/*
* Remove a bridge address from the list.
*/
void
bridge_addrs_remove(struct tp_entry *te, struct bridge_if *bif)
{
if (bif->f_tpa == te)
bif->f_tpa = bridge_addrs_bif_next(te);
TAILQ_REMOVE(&tp_entries, te, tp_e);
free(te);
}
void
bridge_addrs_dump(struct bridge_if *bif)
{
struct tp_entry *te;
syslog(LOG_ERR, "Addresses count - %d", bif->num_addrs);
for (te = bridge_addrs_bif_first(bif); te != NULL;
te = bridge_addrs_bif_next(te)) {
syslog(LOG_ERR, "address %x:%x:%x:%x:%x:%x on port %d.%d",
te->tp_addr[0], te->tp_addr[1], te->tp_addr[2],
te->tp_addr[3], te->tp_addr[4], te->tp_addr[5],
te->sysindex, te->port_no);
}
}
/*
* Update the addresses for the bridge interface.
*/
int
bridge_update_addrs(struct bridge_if *bif)
{
int added, updated;
uint32_t i;
int32_t buf_len;
struct tp_entry *te, *te_next;
struct ifbareq *addr_req_buf, *addr_req;
if ((buf_len = bridge_addrs_getinfo_ifalist(bif, &addr_req_buf)) < 0)
return (-1);
added = updated = 0;
#define BA_FOUND 0x01
for (i = 0; i < buf_len / sizeof(struct ifbareq); i++) {
addr_req = addr_req_buf + i;
if ((te = bridge_addrs_find(addr_req->ifba_dst, bif)) == NULL) {
added++;
if ((te = bridge_new_addrs(addr_req->ifba_dst, bif))
== NULL)
continue;
} else
updated++;
bridge_addrs_info_ifaddrlist(addr_req, te);
te-> flags |= BA_FOUND;
}
free(addr_req_buf);
for (te = bridge_addrs_bif_first(bif); te != NULL; te = te_next) {
te_next = bridge_addrs_bif_next(te);
if ((te-> flags & BA_FOUND) == 0)
bridge_addrs_remove(te, bif);
else
te-> flags &= ~BA_FOUND;
}
#undef BA_FOUND
bif->addrs_age = time(NULL);
return (updated + added);
}
/*
* Find the next address entry for the SNMP index
* from the default bridge only.
*/
static struct tp_entry *
bridge_addrs_getnext(const struct asn_oid *oid, uint sub,
struct bridge_if *bif)
{
int i;
uint8_t tp_addr[ETHER_ADDR_LEN];
static struct tp_entry *te;
if (oid->len - sub == 0)
return (bridge_addrs_bif_first(bif));
if (oid->len - sub != ETHER_ADDR_LEN + 1 ||
oid->subs[sub] != ETHER_ADDR_LEN)
return (NULL);
for (i = 0; i < ETHER_ADDR_LEN; i++)
tp_addr[i] = oid->subs[sub + i + 1];
if ((te = bridge_addrs_find(tp_addr, bif)) == NULL)
return (NULL);
return (bridge_addrs_bif_next(te));
}
