C++ (Cpp) br_stp_change_bridge_id Exemples

Exemple #1

Fichier : br_device.c Projet : johnny/CobraDroidBeta

/* Allow setting mac address to any valid ethernet address. */
static int br_set_mac_address(struct net_device *dev, void *p)
{
	struct net_bridge *br = netdev_priv(dev);
	struct sockaddr *addr = p;

	if (!is_valid_ether_addr(addr->sa_data))
		return -EINVAL;

	spin_lock_bh(&br->lock);
	memcpy(dev->dev_addr, addr->sa_data, ETH_ALEN);
	br_stp_change_bridge_id(br, addr->sa_data);
	br->flags |= BR_SET_MAC_ADDR;
	spin_unlock_bh(&br->lock);

	return 0;
}

Exemple #2

/* called under bridge lock */
void br_stp_recalculate_bridge_id(struct net_bridge *br)
{
	unsigned char *addr;
	struct net_bridge_port *p;

	addr = br_mac_zero;

	p = br->port_list;
	while (p != NULL) {
		if (addr == br_mac_zero ||
		    memcmp(p->dev->dev_addr, addr, ETH_ALEN) < 0)
			addr = p->dev->dev_addr;

		p = p->next;
	}

	if (memcmp(br->bridge_id.addr, addr, ETH_ALEN))
		br_stp_change_bridge_id(br, addr);
}