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authorPavel Emelyanov <xemul@openvz.org>2007-12-16 13:30:39 -0800
committerDavid S. Miller <davem@davemloft.net>2008-01-28 14:58:09 -0800
commit32e569b7277f13c4b27bb29c761189963e49ce7a (patch)
tree63c1a7b0b44169644e7efdc4f351d6b8cb13cdd7
parentea40b324d791d86a42b858d073007de4d133227e (diff)
[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>
-rw-r--r--include/net/arp.h2
-rw-r--r--net/ipv4/af_inet.c2
-rw-r--r--net/ipv4/arp.c28
3 files changed, 18 insertions, 14 deletions
diff --git a/include/net/arp.h b/include/net/arp.h
index f02664568600..36482bf9ad36 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 5089a369e99c..03633b7b9b4a 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 477f3e5fe8d1..5daf504ba3b3 100644
--- a/net/ipv4/arp.c
+++ b/net/ipv4/arp.c
@@ -952,7 +952,7 @@ 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;
@@ -965,7 +965,8 @@ 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;
@@ -984,17 +985,18 @@ 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)
@@ -1080,7 +1082,8 @@ 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;
@@ -1091,17 +1094,18 @@ 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) {
@@ -1131,7 +1135,7 @@ 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;
@@ -1179,10 +1183,10 @@ 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);