struct in_device *in_dev;
struct neigh_parms *parms;
- neigh->type = inet_addr_type(addr);
-
rcu_read_lock();
in_dev = __in_dev_get_rcu(dev);
if (in_dev == NULL) {
return -EINVAL;
}
+ neigh->type = inet_addr_type(&init_net, addr);
+
parms = in_dev->arp_parms;
__neigh_parms_put(neigh->parms);
neigh->parms = neigh_parms_clone(parms);
switch (IN_DEV_ARP_ANNOUNCE(in_dev)) {
default:
case 0: /* By default announce any local IP */
- if (skb && inet_addr_type(ip_hdr(skb)->saddr) == RTN_LOCAL)
+ if (skb && inet_addr_type(&init_net, ip_hdr(skb)->saddr) == RTN_LOCAL)
saddr = ip_hdr(skb)->saddr;
break;
case 1: /* Restrict announcements of saddr in same subnet */
if (!skb)
break;
saddr = ip_hdr(skb)->saddr;
- if (inet_addr_type(saddr) == RTN_LOCAL) {
+ if (inet_addr_type(&init_net, saddr) == RTN_LOCAL) {
/* saddr should be known to target */
if (inet_addr_onlink(in_dev, target, saddr))
break;
read_unlock_bh(&neigh->lock);
}
-static int arp_ignore(struct in_device *in_dev, struct net_device *dev,
- __be32 sip, __be32 tip)
+static int arp_ignore(struct in_device *in_dev, __be32 sip, __be32 tip)
{
int scope;
case 3: /* Do not reply for scope host addresses */
sip = 0;
scope = RT_SCOPE_LINK;
- dev = NULL;
break;
case 4: /* Reserved */
case 5:
default:
return 0;
}
- return !inet_confirm_addr(dev, sip, tip, scope);
+ return !inet_confirm_addr(in_dev, sip, tip, scope);
}
static int arp_filter(__be32 sip, __be32 tip, struct net_device *dev)
int flag = 0;
/*unsigned long now; */
- if (ip_route_output_key(&rt, &fl) < 0)
+ if (ip_route_output_key(&init_net, &rt, &fl) < 0)
return 1;
if (rt->u.dst.dev != dev) {
NET_INC_STATS_BH(LINUX_MIB_ARPFILTER);
paddr = ((struct rtable*)skb->dst)->rt_gateway;
- if (arp_set_predefined(inet_addr_type(paddr), haddr, paddr, dev))
+ if (arp_set_predefined(inet_addr_type(&init_net, paddr), haddr, paddr, dev))
return 0;
n = __neigh_lookup(&arp_tbl, &paddr, dev, 1);
*/
struct sk_buff *arp_create(int type, int ptype, __be32 dest_ip,
struct net_device *dev, __be32 src_ip,
- unsigned char *dest_hw, unsigned char *src_hw,
- unsigned char *target_hw)
+ const unsigned char *dest_hw,
+ const unsigned char *src_hw,
+ const unsigned char *target_hw)
{
struct sk_buff *skb;
struct arphdr *arp;
* Allocate a buffer
*/
- skb = alloc_skb(sizeof(struct arphdr)+ 2*(dev->addr_len+4)
- + LL_RESERVED_SPACE(dev), GFP_ATOMIC);
+ skb = alloc_skb(arp_hdr_len(dev) + LL_RESERVED_SPACE(dev), GFP_ATOMIC);
if (skb == NULL)
return NULL;
skb_reserve(skb, LL_RESERVED_SPACE(dev));
skb_reset_network_header(skb);
- arp = (struct arphdr *) skb_put(skb,sizeof(struct arphdr) + 2*(dev->addr_len+4));
+ arp = (struct arphdr *) skb_put(skb, arp_hdr_len(dev));
skb->dev = dev;
skb->protocol = htons(ETH_P_ARP);
if (src_hw == NULL)
*/
void arp_send(int type, int ptype, __be32 dest_ip,
struct net_device *dev, __be32 src_ip,
- unsigned char *dest_hw, unsigned char *src_hw,
- unsigned char *target_hw)
+ const unsigned char *dest_hw, const unsigned char *src_hw,
+ const unsigned char *target_hw)
{
struct sk_buff *skb;
/* Special case: IPv4 duplicate address detection packet (RFC2131) */
if (sip == 0) {
if (arp->ar_op == htons(ARPOP_REQUEST) &&
- inet_addr_type(tip) == RTN_LOCAL &&
- !arp_ignore(in_dev,dev,sip,tip))
+ inet_addr_type(&init_net, tip) == RTN_LOCAL &&
+ !arp_ignore(in_dev, sip, tip))
arp_send(ARPOP_REPLY, ETH_P_ARP, sip, dev, tip, sha,
dev->dev_addr, sha);
goto out;
int dont_send = 0;
if (!dont_send)
- dont_send |= arp_ignore(in_dev,dev,sip,tip);
+ dont_send |= arp_ignore(in_dev,sip,tip);
if (!dont_send && IN_DEV_ARPFILTER(in_dev))
dont_send |= arp_filter(sip,tip,dev);
if (!dont_send)
}
goto out;
} else if (IN_DEV_FORWARD(in_dev)) {
- if ((rt->rt_flags&RTCF_DNAT) ||
- (addr_type == RTN_UNICAST && rt->u.dst.dev != dev &&
- (arp_fwd_proxy(in_dev, rt) || pneigh_lookup(&arp_tbl, &init_net, &tip, dev, 0)))) {
+ if (addr_type == RTN_UNICAST && rt->u.dst.dev != dev &&
+ (arp_fwd_proxy(in_dev, rt) || pneigh_lookup(&arp_tbl, &init_net, &tip, dev, 0))) {
n = neigh_event_ns(&arp_tbl, sha, &sip, dev);
if (n)
neigh_release(n);
*/
if (n == NULL &&
arp->ar_op == htons(ARPOP_REPLY) &&
- inet_addr_type(sip) == RTN_UNICAST)
+ inet_addr_type(&init_net, sip) == RTN_UNICAST)
n = __neigh_lookup(&arp_tbl, &sip, dev, 1);
}
goto freeskb;
/* ARP header, plus 2 device addresses, plus 2 IP addresses. */
- if (!pskb_may_pull(skb, (sizeof(struct arphdr) +
- (2 * dev->addr_len) +
- (2 * sizeof(u32)))))
+ if (!pskb_may_pull(skb, arp_hdr_len(dev)))
goto freeskb;
arp = arp_hdr(skb);
if (mask && mask != htonl(0xFFFFFFFF))
return -EINVAL;
if (!dev && (r->arp_flags & ATF_COM)) {
- dev = dev_getbyhwaddr(&init_net, r->arp_ha.sa_family,
+ dev = dev_getbyhwaddr(net, r->arp_ha.sa_family,
r->arp_ha.sa_data);
if (!dev)
return -ENODEV;
}
if (mask) {
- if (pneigh_lookup(&arp_tbl, &init_net, &ip, dev, 1) == NULL)
+ if (pneigh_lookup(&arp_tbl, net, &ip, dev, 1) == NULL)
return -ENOBUFS;
return 0;
}
struct flowi fl = { .nl_u = { .ip4_u = { .daddr = ip,
.tos = RTO_ONLINK } } };
struct rtable * rt;
- if ((err = ip_route_output_key(&rt, &fl)) != 0)
+ if ((err = ip_route_output_key(net, &rt, &fl)) != 0)
return err;
dev = rt->u.dst.dev;
ip_rt_put(rt);
__be32 mask = ((struct sockaddr_in *)&r->arp_netmask)->sin_addr.s_addr;
if (mask == htonl(0xFFFFFFFF))
- return pneigh_delete(&arp_tbl, &init_net, &ip, dev);
+ return pneigh_delete(&arp_tbl, net, &ip, dev);
if (mask)
return -EINVAL;
struct flowi fl = { .nl_u = { .ip4_u = { .daddr = ip,
.tos = RTO_ONLINK } } };
struct rtable * rt;
- if ((err = ip_route_output_key(&rt, &fl)) != 0)
+ if ((err = ip_route_output_key(net, &rt, &fl)) != 0)
return err;
dev = rt->u.dst.dev;
ip_rt_put(rt);
rtnl_lock();
if (r.arp_dev[0]) {
err = -ENODEV;
- if ((dev = __dev_get_by_name(&init_net, r.arp_dev)) == NULL)
+ if ((dev = __dev_get_by_name(net, r.arp_dev)) == NULL)
goto out;
/* Mmmm... It is wrong... ARPHRD_NETROM==0 */