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[NETFILTER]: ebtables: add --snap-arp option

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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>
This commit is contained in:
Bart De Schuymer 2006-11-29 02:35:40 +01:00 • committed by David S. Miller
parent baf7b1e112
commit d12cdc3ccf
4 changed files with 32 additions and 6 deletions
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1
include/linux/netfilter_bridge/ebt_nat.h
View file

@ -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];

4
include/linux/netfilter_bridge/ebtables.h
View file

@ -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
{