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authorStephen Hemminger <shemminger@linux-foundation.org>2009-02-01 01:04:33 -0800
committerDavid S. Miller <davem@davemloft.net>2009-02-01 01:04:33 -0800
commiteefef1cf7653cd4e0aaf743c00ae8345086cdc01 (patch)
treeaf97b788658c5bf21ef2ca609c5f43ca59421269 /include/linux
parentead731837d142b103eab9870105f50bc40b69255 (diff)
net: add ARP notify option for devices
This adds another inet device option to enable gratuitous ARP when device is brought up or address change. This is handy for clusters or virtualization. Signed-off-by: Stephen Hemminger <shemminger@linux-foundation.org> Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include/linux')
-rw-r--r--include/linux/inetdevice.h1
-rw-r--r--include/linux/sysctl.h1
2 files changed, 2 insertions, 0 deletions
diff --git a/include/linux/inetdevice.h b/include/linux/inetdevice.h
index 06fcdb45106..acef2a770b6 100644
--- a/include/linux/inetdevice.h
+++ b/include/linux/inetdevice.h
@@ -108,6 +108,7 @@ static inline void ipv4_devconf_setall(struct in_device *in_dev)
#define IN_DEV_ARPFILTER(in_dev) IN_DEV_ORCONF((in_dev), ARPFILTER)
#define IN_DEV_ARP_ANNOUNCE(in_dev) IN_DEV_MAXCONF((in_dev), ARP_ANNOUNCE)
#define IN_DEV_ARP_IGNORE(in_dev) IN_DEV_MAXCONF((in_dev), ARP_IGNORE)
+#define IN_DEV_ARP_NOTIFY(in_dev) IN_DEV_MAXCONF((in_dev), ARP_NOTIFY)
struct in_ifaddr
{
diff --git a/include/linux/sysctl.h b/include/linux/sysctl.h
index 39d471d1163..e76d3b22a46 100644
--- a/include/linux/sysctl.h
+++ b/include/linux/sysctl.h
@@ -490,6 +490,7 @@ enum
NET_IPV4_CONF_ARP_IGNORE=19,
NET_IPV4_CONF_PROMOTE_SECONDARIES=20,
NET_IPV4_CONF_ARP_ACCEPT=21,
+ NET_IPV4_CONF_ARP_NOTIFY=22,
__NET_IPV4_CONF_MAX
};