C++ (Cpp) pneigh_delete Beispiele

Beispiel #1

static int arp_req_delete(struct arpreq *r, struct net_device * dev)
{
	int err;
	u32 ip = ((struct sockaddr_in *)&r->arp_pa)->sin_addr.s_addr;
	struct neighbour *neigh;

	if (r->arp_flags & ATF_PUBL) {
		u32 mask =
		       ((struct sockaddr_in *)&r->arp_netmask)->sin_addr.s_addr;
		if (mask == 0xFFFFFFFF)
			return pneigh_delete(&arp_tbl, &ip, dev);
		if (mask == 0) {
			if (dev == NULL) {
				ipv4_devconf.proxy_arp = 0;
				return 0;
			}
			if (__in_dev_get_rtnl(dev)) {
				__in_dev_get_rtnl(dev)->cnf.proxy_arp = 0;
				return 0;
			}
			return -ENXIO;
		}
		return -EINVAL;
	}

	if (dev == NULL) {
#ifndef __TCS__
		struct flowi fl = { .nl_u = { .ip4_u = { .daddr = ip,
							 .tos = RTO_ONLINK } } };
		struct rtable * rt;
#else
		struct rtable * rt;
		struct flowi fl;
		memset(&fl,0,sizeof(fl));
		fl.nl_u.ip4_u.daddr=ip;
		fl.nl_u.ip4_u.tos=RTO_ONLINK;
#endif 
		if ((err = ip_route_output_key(&rt, &fl)) != 0)
			return err;
		dev = rt->u.dst.dev;
		ip_rt_put(rt);
		if (!dev)
			return -EINVAL;
	}
	err = -ENXIO;
	neigh = neigh_lookup(&arp_tbl, &ip, dev);
	if (neigh) {
		if (neigh->nud_state&~NUD_NOARP)
			err = neigh_update(neigh, NULL, NUD_FAILED, 
					   NEIGH_UPDATE_F_OVERRIDE|
					   NEIGH_UPDATE_F_ADMIN);
		neigh_release(neigh);
	}
	return err;
}

Beispiel #2

Datei: arp.c Projekt: 274914765/C

static int arp_req_delete_public(struct net *net, struct arpreq *r,
        struct net_device *dev)
{
    __be32 ip = ((struct sockaddr_in *) &r->arp_pa)->sin_addr.s_addr;
    __be32 mask = ((struct sockaddr_in *)&r->arp_netmask)->sin_addr.s_addr;

    if (mask == htonl(0xFFFFFFFF))
        return pneigh_delete(&arp_tbl, net, &ip, dev);

    if (mask)
        return -EINVAL;

    return arp_req_set_proxy(net, dev, 0);
}

Beispiel #3

static int arp_req_delete(struct arpreq *r, struct net_device * dev)
{
	int err;
	__be32 ip = ((struct sockaddr_in *)&r->arp_pa)->sin_addr.s_addr;
	struct neighbour *neigh;

	if (r->arp_flags & ATF_PUBL) {
		__be32 mask =
		       ((struct sockaddr_in *)&r->arp_netmask)->sin_addr.s_addr;
		if (mask == htonl(0xFFFFFFFF))
			return pneigh_delete(&arp_tbl, &ip, dev);
		if (mask == 0) {
			if (dev == NULL) {
				IPV4_DEVCONF_ALL(PROXY_ARP) = 0;
				return 0;
			}
			if (__in_dev_get_rtnl(dev)) {
				IN_DEV_CONF_SET(__in_dev_get_rtnl(dev),
						PROXY_ARP, 0);
				return 0;
			}
			return -ENXIO;
		}
		return -EINVAL;
	}

	if (dev == NULL) {
		struct flowi fl = { .nl_u = { .ip4_u = { .daddr = ip,
							 .tos = RTO_ONLINK } } };
		struct rtable * rt;
		if ((err = ip_route_output_key(&rt, &fl)) != 0)
			return err;
		dev = rt->u.dst.dev;
		ip_rt_put(rt);
		if (!dev)
			return -EINVAL;
	}
	err = -ENXIO;
	neigh = neigh_lookup(&arp_tbl, &ip, dev);
	if (neigh) {
		if (neigh->nud_state&~NUD_NOARP)
			err = neigh_update(neigh, NULL, NUD_FAILED,
					   NEIGH_UPDATE_F_OVERRIDE|
					   NEIGH_UPDATE_F_ADMIN);
		neigh_release(neigh);
	}
	return err;
}

Beispiel #4

Datei: arp.c Projekt: earthGavinLee/hg556a_source

int arp_req_delete(struct arpreq *r, struct net_device * dev)
{
	int err;
	u32 ip = ((struct sockaddr_in *)&r->arp_pa)->sin_addr.s_addr;
	struct neighbour *neigh;

	if (r->arp_flags & ATF_PUBL) {
		u32 mask =
		       ((struct sockaddr_in *)&r->arp_netmask)->sin_addr.s_addr;
		if (mask == 0xFFFFFFFF)
			return pneigh_delete(&arp_tbl, &ip, dev);
		if (mask == 0) {
			if (dev == NULL) {
				ipv4_devconf.proxy_arp = 0;
				return 0;
			}
			if (__in_dev_get(dev)) {
				__in_dev_get(dev)->cnf.proxy_arp = 0;
				return 0;
			}
			return -ENXIO;
		}
		return -EINVAL;
	}

	if (dev == NULL) {
		struct flowi fl = { .nl_u = { .ip4_u = { .daddr = ip,
							 .tos = RTO_ONLINK } } };
		struct rtable * rt;
		if ((err = ip_route_output_key(&rt, &fl)) != 0)
			return err;
		dev = rt->u.dst.dev;
		ip_rt_put(rt);
		if (!dev)
			return -EINVAL;
	}
	err = -ENXIO;
	neigh = neigh_lookup(&arp_tbl, &ip, dev);
	if (neigh) {
		if (neigh->nud_state&~NUD_NOARP)
			err = neigh_update(neigh, NULL, NUD_FAILED, 1, 0);
		neigh_release(neigh);
	}
	return err;
}