* [PATCH net-2.6.25 3/3][ARP] Consolidate some code in arp_req_set/delete_publc
@ 2007-12-05 17:18 Pavel Emelyanov
2007-12-06 5:21 ` David Miller
0 siblings, 1 reply; 2+ messages in thread
From: Pavel Emelyanov @ 2007-12-05 17:18 UTC (permalink / raw)
To: David Miller; +Cc: Linux Netdev List, devel
The PROXY_ARP is set on devconfigs in a similar way in
both calls.
Signed-off-by: Pavel Emelyanov <xemul@openvz.org>
---
diff --git a/net/ipv4/arp.c b/net/ipv4/arp.c
index 0a3f00c..ccd36fa 100644
--- a/net/ipv4/arp.c
+++ b/net/ipv4/arp.c
@@ -953,6 +953,19 @@ out_of_mem:
* 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;
@@ -971,15 +984,8 @@ 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)
@@ -1083,19 +1089,10 @@ 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;
- }
- return -EINVAL;
+ if (mask)
+ return -EINVAL;
+
+ return arp_req_set_proxy(dev, 0);
}
static int arp_req_delete(struct arpreq *r, struct net_device * dev)
--
1.5.3.4
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2007-12-05 17:18 [PATCH net-2.6.25 3/3][ARP] Consolidate some code in arp_req_set/delete_publc Pavel Emelyanov
2007-12-06 5:21 ` David Miller
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