[IPV4]: Pass the net pointer to the arp_req_set_proxy()
This one will need to set the IPV4_DEVCONF_ALL(PROXY_ARP), but
there's no ways to get the net right in place, so we have to
pull one from the inet_ioctl's struct sock.
Signed-off-by: Pavel Emelyanov <xemul@openvz.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/ipv4/arp.c b/net/ipv4/arp.c
index 477f3e5..5daf504 100644
--- a/net/ipv4/arp.c
+++ b/net/ipv4/arp.c
@@ -952,7 +952,7 @@
* Set (create) an ARP cache entry.
*/
-static int arp_req_set_proxy(struct net_device *dev, int on)
+static int arp_req_set_proxy(struct net *net, struct net_device *dev, int on)
{
if (dev == NULL) {
IPV4_DEVCONF_ALL(PROXY_ARP) = on;
@@ -965,7 +965,8 @@
return -ENXIO;
}
-static int arp_req_set_public(struct arpreq *r, struct net_device *dev)
+static int arp_req_set_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;
@@ -984,17 +985,18 @@
return 0;
}
- return arp_req_set_proxy(dev, 1);
+ return arp_req_set_proxy(net, dev, 1);
}
-static int arp_req_set(struct arpreq *r, struct net_device * dev)
+static int arp_req_set(struct net *net, struct arpreq *r,
+ struct net_device * dev)
{
__be32 ip;
struct neighbour *neigh;
int err;
if (r->arp_flags & ATF_PUBL)
- return arp_req_set_public(r, dev);
+ return arp_req_set_public(net, r, dev);
ip = ((struct sockaddr_in *)&r->arp_pa)->sin_addr.s_addr;
if (r->arp_flags & ATF_PERM)
@@ -1080,7 +1082,8 @@
return err;
}
-static int arp_req_delete_public(struct arpreq *r, struct net_device *dev)
+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;
@@ -1091,17 +1094,18 @@
if (mask)
return -EINVAL;
- return arp_req_set_proxy(dev, 0);
+ return arp_req_set_proxy(net, dev, 0);
}
-static int arp_req_delete(struct arpreq *r, struct net_device * dev)
+static int arp_req_delete(struct net *net, struct arpreq *r,
+ struct net_device * dev)
{
int err;
__be32 ip;
struct neighbour *neigh;
if (r->arp_flags & ATF_PUBL)
- return arp_req_delete_public(r, dev);
+ return arp_req_delete_public(net, r, dev);
ip = ((struct sockaddr_in *)&r->arp_pa)->sin_addr.s_addr;
if (dev == NULL) {
@@ -1131,7 +1135,7 @@
* Handle an ARP layer I/O control request.
*/
-int arp_ioctl(unsigned int cmd, void __user *arg)
+int arp_ioctl(struct net *net, unsigned int cmd, void __user *arg)
{
int err;
struct arpreq r;
@@ -1179,10 +1183,10 @@
switch (cmd) {
case SIOCDARP:
- err = arp_req_delete(&r, dev);
+ err = arp_req_delete(net, &r, dev);
break;
case SIOCSARP:
- err = arp_req_set(&r, dev);
+ err = arp_req_set(net, &r, dev);
break;
case SIOCGARP:
err = arp_req_get(&r, dev);