#include <linux/sysctl.h>
#endif
+#include <net/net_namespace.h>
#include <net/ip.h>
#include <net/icmp.h>
#include <net/route.h>
#include <net/tcp.h>
#include <net/sock.h>
#include <net/arp.h>
-#if defined(CONFIG_AX25) || defined(CONFIG_AX25_MODULE)
#include <net/ax25.h>
-#if defined(CONFIG_NETROM) || defined(CONFIG_NETROM_MODULE)
#include <net/netrom.h>
-#endif
-#endif
#if defined(CONFIG_ATM_CLIP) || defined(CONFIG_ATM_CLIP_MODULE)
#include <net/atmclip.h>
struct neigh_table *clip_tbl_hook;
ip_tr_mc_map(addr, haddr);
return 0;
case ARPHRD_INFINIBAND:
- ip_ib_mc_map(addr, haddr);
+ ip_ib_mc_map(addr, dev->broadcast, haddr);
return 0;
default:
if (dir) {
neigh->parms = neigh_parms_clone(parms);
rcu_read_unlock();
- if (dev->hard_header == NULL) {
+ if (!dev->header_ops) {
neigh->nud_state = NUD_NOARP;
neigh->ops = &arp_direct_ops;
neigh->output = neigh->ops->queue_xmit;
neigh->nud_state = NUD_NOARP;
memcpy(neigh->ha, dev->broadcast, dev->addr_len);
}
- if (dev->hard_header_cache)
+
+ if (dev->header_ops->cache)
neigh->ops = &arp_hh_ops;
else
neigh->ops = &arp_generic_ops;
+
if (neigh->nud_state&NUD_VALID)
neigh->output = neigh->ops->connected_output;
else
switch (IN_DEV_ARP_ANNOUNCE(in_dev)) {
default:
case 0: /* By default announce any local IP */
- if (skb && inet_addr_type(skb->nh.iph->saddr) == RTN_LOCAL)
- saddr = skb->nh.iph->saddr;
+ if (skb && inet_addr_type(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 = skb->nh.iph->saddr;
+ saddr = ip_hdr(skb)->saddr;
if (inet_addr_type(saddr) == RTN_LOCAL) {
/* saddr should be known to target */
if (inet_addr_onlink(in_dev, target, saddr))
return NULL;
skb_reserve(skb, LL_RESERVED_SPACE(dev));
- skb->nh.raw = skb->data;
+ skb_reset_network_header(skb);
arp = (struct arphdr *) skb_put(skb,sizeof(struct arphdr) + 2*(dev->addr_len+4));
skb->dev = dev;
skb->protocol = htons(ETH_P_ARP);
/*
* Fill the device header for the ARP frame
*/
- if (dev->hard_header &&
- dev->hard_header(skb,dev,ptype,dest_hw,src_hw,skb->len) < 0)
+ if (dev_hard_header(skb, dev, ptype, dest_hw, src_hw, skb->len) < 0)
goto out;
/*
struct arphdr *arp;
unsigned char *arp_ptr;
struct rtable *rt;
- unsigned char *sha, *tha;
+ unsigned char *sha;
__be32 sip, tip;
u16 dev_type = dev->type;
int addr_type;
if (in_dev == NULL)
goto out;
- arp = skb->nh.arph;
+ arp = arp_hdr(skb);
switch (dev_type) {
default:
htons(dev_type) != arp->ar_hrd)
goto out;
break;
-#ifdef CONFIG_NET_ETHERNET
case ARPHRD_ETHER:
-#endif
-#ifdef CONFIG_TR
case ARPHRD_IEEE802_TR:
-#endif
-#ifdef CONFIG_FDDI
case ARPHRD_FDDI:
-#endif
-#ifdef CONFIG_NET_FC
case ARPHRD_IEEE802:
-#endif
-#if defined(CONFIG_NET_ETHERNET) || defined(CONFIG_TR) || \
- defined(CONFIG_FDDI) || defined(CONFIG_NET_FC)
/*
* ETHERNET, Token Ring and Fibre Channel (which are IEEE 802
* devices, according to RFC 2625) devices will accept ARP
arp->ar_pro != htons(ETH_P_IP))
goto out;
break;
-#endif
-#if defined(CONFIG_AX25) || defined(CONFIG_AX25_MODULE)
case ARPHRD_AX25:
if (arp->ar_pro != htons(AX25_P_IP) ||
arp->ar_hrd != htons(ARPHRD_AX25))
goto out;
break;
-#if defined(CONFIG_NETROM) || defined(CONFIG_NETROM_MODULE)
case ARPHRD_NETROM:
if (arp->ar_pro != htons(AX25_P_IP) ||
arp->ar_hrd != htons(ARPHRD_NETROM))
goto out;
break;
-#endif
-#endif
}
/* Understand only these message types */
arp_ptr += dev->addr_len;
memcpy(&sip, arp_ptr, 4);
arp_ptr += 4;
- tha = arp_ptr;
arp_ptr += dev->addr_len;
memcpy(&tip, arp_ptr, 4);
/*
if (arp->ar_op == htons(ARPOP_REQUEST) &&
inet_addr_type(tip) == RTN_LOCAL &&
!arp_ignore(in_dev,dev,sip,tip))
- arp_send(ARPOP_REPLY,ETH_P_ARP,tip,dev,tip,sha,dev->dev_addr,dev->dev_addr);
+ arp_send(ARPOP_REPLY, ETH_P_ARP, sip, dev, tip, sha,
+ dev->dev_addr, sha);
goto out;
}
n = __neigh_lookup(&arp_tbl, &sip, dev, 0);
- if (ipv4_devconf.arp_accept) {
+ if (IPV4_DEVCONF_ALL(ARP_ACCEPT)) {
/* Unsolicited ARP is not accepted by default.
It is possible, that this option should be enabled for some
devices (strip is candidate)
if (n == NULL &&
arp->ar_op == htons(ARPOP_REPLY) &&
inet_addr_type(sip) == RTN_UNICAST)
- n = __neigh_lookup(&arp_tbl, &sip, dev, -1);
+ n = __neigh_lookup(&arp_tbl, &sip, dev, 1);
}
if (n) {
{
struct arphdr *arp;
+ if (dev->nd_net != &init_net)
+ 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)))))
goto freeskb;
- arp = skb->nh.arph;
+ arp = arp_hdr(skb);
if (arp->ar_hln != dev->addr_len ||
dev->flags & IFF_NOARP ||
skb->pkt_type == PACKET_OTHERHOST ||
if (mask && mask != htonl(0xFFFFFFFF))
return -EINVAL;
if (!dev && (r->arp_flags & ATF_COM)) {
- dev = dev_getbyhwaddr(r->arp_ha.sa_family, r->arp_ha.sa_data);
+ dev = dev_getbyhwaddr(&init_net, r->arp_ha.sa_family, r->arp_ha.sa_data);
if (!dev)
return -ENODEV;
}
return 0;
}
if (dev == NULL) {
- ipv4_devconf.proxy_arp = 1;
+ IPV4_DEVCONF_ALL(PROXY_ARP) = 1;
return 0;
}
if (__in_dev_get_rtnl(dev)) {
- __in_dev_get_rtnl(dev)->cnf.proxy_arp = 1;
+ IN_DEV_CONF_SET(__in_dev_get_rtnl(dev), PROXY_ARP, 1);
return 0;
}
return -ENXIO;
return pneigh_delete(&arp_tbl, &ip, dev);
if (mask == 0) {
if (dev == NULL) {
- ipv4_devconf.proxy_arp = 0;
+ IPV4_DEVCONF_ALL(PROXY_ARP) = 0;
return 0;
}
if (__in_dev_get_rtnl(dev)) {
- __in_dev_get_rtnl(dev)->cnf.proxy_arp = 0;
+ IN_DEV_CONF_SET(__in_dev_get_rtnl(dev),
+ PROXY_ARP, 0);
return 0;
}
return -ENXIO;
rtnl_lock();
if (r.arp_dev[0]) {
err = -ENODEV;
- if ((dev = __dev_get_by_name(r.arp_dev)) == NULL)
+ if ((dev = __dev_get_by_name(&init_net, r.arp_dev)) == NULL)
goto out;
/* Mmmm... It is wrong... ARPHRD_NETROM==0 */
{
struct net_device *dev = ptr;
+ if (dev->nd_net != &init_net)
+ return NOTIFY_DONE;
+
switch (event) {
case NETDEV_CHANGEADDR:
neigh_changeaddr(&arp_tbl, dev);
/* ------------------------------------------------------------------------ */
-static struct seq_operations arp_seq_ops = {
+static const struct seq_operations arp_seq_ops = {
.start = arp_seq_start,
.next = neigh_seq_next,
.stop = neigh_seq_stop,
static int arp_seq_open(struct inode *inode, struct file *file)
{
- struct seq_file *seq;
- int rc = -ENOMEM;
- struct neigh_seq_state *s = kzalloc(sizeof(*s), GFP_KERNEL);
-
- if (!s)
- goto out;
-
- rc = seq_open(file, &arp_seq_ops);
- if (rc)
- goto out_kfree;
-
- seq = file->private_data;
- seq->private = s;
-out:
- return rc;
-out_kfree:
- kfree(s);
- goto out;
+ return seq_open_private(file, &arp_seq_ops,
+ sizeof(struct neigh_seq_state));
}
static const struct file_operations arp_seq_fops = {
static int __init arp_proc_init(void)
{
- if (!proc_net_fops_create("arp", S_IRUGO, &arp_seq_fops))
+ if (!proc_net_fops_create(&init_net, "arp", S_IRUGO, &arp_seq_fops))
return -ENOMEM;
return 0;
}
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff