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authorBart De Schuymer <bdschuym@pandora.be>2006-11-29 02:35:40 +0100
committerDavid S. Miller <davem@sunset.davemloft.net>2006-12-02 21:31:32 -0800
commitd12cdc3ccf140bd2febef1c1be92284571da983f (patch)
treeb841cf72562e8179c9c187494a6fe4a3c2ddb184 /include
parentbaf7b1e11282127e068d149825cccec002091d61 (diff)
downloadtalos-op-linux-d12cdc3ccf140bd2febef1c1be92284571da983f.tar.gz
talos-op-linux-d12cdc3ccf140bd2febef1c1be92284571da983f.zip
[NETFILTER]: ebtables: add --snap-arp option
The attached patch adds --snat-arp support, which makes it possible to change the source mac address in both the mac header and the arp header with one rule. Signed-off-by: Bart De Schuymer <bdschuym@pandora.be> Signed-off-by: Patrick McHardy <kaber@trash.net>
Diffstat (limited to 'include')
-rw-r--r--include/linux/netfilter_bridge/ebt_nat.h1
-rw-r--r--include/linux/netfilter_bridge/ebtables.h4
2 files changed, 5 insertions, 0 deletions
diff --git a/include/linux/netfilter_bridge/ebt_nat.h b/include/linux/netfilter_bridge/ebt_nat.h
index 26fd90da4cd6..435b886a51aa 100644
--- a/include/linux/netfilter_bridge/ebt_nat.h
+++ b/include/linux/netfilter_bridge/ebt_nat.h
@@ -1,6 +1,7 @@
#ifndef __LINUX_BRIDGE_EBT_NAT_H
#define __LINUX_BRIDGE_EBT_NAT_H
+#define NAT_ARP_BIT (0x00000010)
struct ebt_nat_info
{
unsigned char mac[ETH_ALEN];
diff --git a/include/linux/netfilter_bridge/ebtables.h b/include/linux/netfilter_bridge/ebtables.h
index e6ea70de24d5..87775264ff0b 100644
--- a/include/linux/netfilter_bridge/ebtables.h
+++ b/include/linux/netfilter_bridge/ebtables.h
@@ -26,6 +26,10 @@
#define EBT_CONTINUE -3
#define EBT_RETURN -4
#define NUM_STANDARD_TARGETS 4
+/* ebtables target modules store the verdict inside an int. We can
+ * reclaim a part of this int for backwards compatible extensions.
+ * The 4 lsb are more than enough to store the verdict. */
+#define EBT_VERDICT_BITS 0x0000000F
struct ebt_counter
{
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