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 <[EMAIL PROTECTED]>
---
diff --git a/include/net/arp.h b/include/net/arp.h
index f026645..36482bf 100644
--- a/include/net/arp.h
+++ b/include/net/arp.h
@@ -11,7 +11,7 @@ extern struct neigh_table arp_tbl;
extern void arp_init(void);
extern int arp_find(unsigned char *haddr, struct sk_buff *skb);
-extern int arp_ioctl(unsigned int cmd, void __user *arg);
+extern int arp_ioctl(struct net *net, unsigned int cmd, void __user *arg);
extern 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 *th);
diff --git a/net/ipv4/af_inet.c b/net/ipv4/af_inet.c
index 7f8b27f..a69b0c6 100644
--- a/net/ipv4/af_inet.c
+++ b/net/ipv4/af_inet.c
@@ -798,7 +798,7 @@ int inet_ioctl(struct socket *sock, unsigned int cmd,
unsigned long arg)
case SIOCDARP:
case SIOCGARP:
case SIOCSARP:
- err = arp_ioctl(cmd, (void __user *)arg);
+ err = arp_ioctl(sk->sk_net, cmd, (void __user *)arg);
break;
case SIOCGIFADDR:
case SIOCSIFADDR:
diff --git a/net/ipv4/arp.c b/net/ipv4/arp.c
index 48e7bf6..41a4d73 100644
--- a/net/ipv4/arp.c
+++ b/net/ipv4/arp.c
@@ -953,7 +953,7 @@ out_of_mem:
* 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;
@@ -966,7 +966,8 @@ static int arp_req_set_proxy(struct net_device *dev, int on)
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;
@@ -985,17 +986,18 @@ static int arp_req_set_public(struct arpreq *r, struct
net_device *dev)
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)
@@ -1081,7 +1083,8 @@ static int arp_req_get(struct arpreq *r, struct
net_device *dev)
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;
@@ -1092,17 +1095,18 @@ static int arp_req_delete_public(struct arpreq *r,
struct net_device *dev)
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) {
@@ -1132,7 +1136,7 @@ static int arp_req_delete(struct arpreq *r, struct
net_device * dev)
* 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;
@@ -1180,10 +1184,10 @@ int arp_ioctl(unsigned int cmd, void __user *arg)
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);
--
1.5.3.4
--
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