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Commit f8b33fdf authored by Pavel Emelyanov's avatar Pavel Emelyanov Committed by David S. Miller
Browse files

[ARP]: Consolidate some code in arp_req_set/delete_publc 



The PROXY_ARP is set on devconfigs in a similar way in
both calls.

Signed-off-by: default avatarPavel Emelyanov <xemul@openvz.org>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 46479b43

net/ipv4/arp.c

+19 −22
Original line number Diff line number Diff line
@@ -952,6 +952,19 @@ static int arp_rcv(struct sk_buff *skb, struct net_device *dev, 
 *	Set (create) an ARP cache entry.

 */



static int arp_req_set_proxy(struct net_device *dev, int on)

{

	if (dev == NULL) {

		IPV4_DEVCONF_ALL(PROXY_ARP) = on;

		return 0;

	}

	if (__in_dev_get_rtnl(dev)) {

		IN_DEV_CONF_SET(__in_dev_get_rtnl(dev), PROXY_ARP, on);

		return 0;

	}

	return -ENXIO;

}



static int arp_req_set_public(struct arpreq *r, struct net_device *dev)

{

	__be32 ip = ((struct sockaddr_in *)&r->arp_pa)->sin_addr.s_addr;
@@ -970,15 +983,8 @@ static int arp_req_set_public(struct arpreq *r, struct net_device *dev) 
			return -ENOBUFS;

		return 0;

	}

	if (dev == NULL) {

		IPV4_DEVCONF_ALL(PROXY_ARP) = 1;

		return 0;

	}

	if (__in_dev_get_rtnl(dev)) {

		IN_DEV_CONF_SET(__in_dev_get_rtnl(dev), PROXY_ARP, 1);

		return 0;

	}

	return -ENXIO;



	return arp_req_set_proxy(dev, 1);

}



static int arp_req_set(struct arpreq *r, struct net_device * dev)
@@ -1082,19 +1088,10 @@ static int arp_req_delete_public(struct arpreq *r, struct net_device *dev) 
	if (mask == htonl(0xFFFFFFFF))

		return pneigh_delete(&arp_tbl, &ip, dev);



	if (mask == 0) {

		if (dev == NULL) {

			IPV4_DEVCONF_ALL(PROXY_ARP) = 0;

			return 0;

		}

		if (__in_dev_get_rtnl(dev)) {

			IN_DEV_CONF_SET(__in_dev_get_rtnl(dev),

					PROXY_ARP, 0);

			return 0;

		}

		return -ENXIO;

	}

	if (mask)

		return -EINVAL;



	return arp_req_set_proxy(dev, 0);

}



static int arp_req_delete(struct arpreq *r, struct net_device * dev)