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authorHarald Welte <laforge@gnumonks.org>2005-05-29 20:23:46 -0700
committerDavid S. Miller <davem@davemloft.net>2005-05-29 20:23:46 -0700
commit8f937c6099858eee15fae14009dcbd05177fa91d (patch)
treec0aa5c7983c4402a46ea397b0612d5ecd3e9a853 /include
parent79158229b09873ca296ac53de5c952488f944646 (diff)
[IPV4]: Primary and secondary addresses
Add an option to make secondary IP addresses get promoted when primary IP addresses are removed from the device. It defaults to off to preserve existing behavior. Signed-off-by: Harald Welte <laforge@gnumonks.org> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include')
-rw-r--r--include/linux/inetdevice.h2
-rw-r--r--include/linux/sysctl.h1
2 files changed, 3 insertions, 0 deletions
diff --git a/include/linux/inetdevice.h b/include/linux/inetdevice.h
index 6fafb27877a..7e1e15f934f 100644
--- a/include/linux/inetdevice.h
+++ b/include/linux/inetdevice.h
@@ -29,6 +29,7 @@ struct ipv4_devconf
int no_xfrm;
int no_policy;
int force_igmp_version;
+ int promote_secondaries;
void *sysctl;
};
@@ -71,6 +72,7 @@ struct in_device
#define IN_DEV_SEC_REDIRECTS(in_dev) (ipv4_devconf.secure_redirects || (in_dev)->cnf.secure_redirects)
#define IN_DEV_IDTAG(in_dev) ((in_dev)->cnf.tag)
#define IN_DEV_MEDIUM_ID(in_dev) ((in_dev)->cnf.medium_id)
+#define IN_DEV_PROMOTE_SECONDARIES(in_dev) (ipv4_devconf.promote_secondaries || (in_dev)->cnf.promote_secondaries)
#define IN_DEV_RX_REDIRECTS(in_dev) \
((IN_DEV_FORWARD(in_dev) && \
diff --git a/include/linux/sysctl.h b/include/linux/sysctl.h
index 772998147e3..23032d9d607 100644
--- a/include/linux/sysctl.h
+++ b/include/linux/sysctl.h
@@ -399,6 +399,7 @@ enum
NET_IPV4_CONF_FORCE_IGMP_VERSION=17,
NET_IPV4_CONF_ARP_ANNOUNCE=18,
NET_IPV4_CONF_ARP_IGNORE=19,
+ NET_IPV4_CONF_PROMOTE_SECONDARIES=20,
__NET_IPV4_CONF_MAX
};