diff options
Diffstat (limited to 'net/ipv4/arp.c')
| -rw-r--r-- | net/ipv4/arp.c | 41 |
1 files changed, 19 insertions, 22 deletions
diff --git a/net/ipv4/arp.c b/net/ipv4/arp.c index e947ad9409b0..477f3e5fe8d1 100644 --- a/net/ipv4/arp.c +++ b/net/ipv4/arp.c @@ -952,6 +952,19 @@ 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; @@ -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; - } - 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) |