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Message-Id: <20241014111420.29127-9-pablo@netfilter.org>
Date: Mon, 14 Oct 2024 13:14:19 +0200
From: Pablo Neira Ayuso <pablo@...filter.org>
To: netfilter-devel@...r.kernel.org
Cc: davem@...emloft.net,
netdev@...r.kernel.org,
kuba@...nel.org,
pabeni@...hat.com,
edumazet@...gle.com,
fw@...len.de
Subject: [PATCH net-next 8/9] netfilter: Make legacy configs user selectable
From: Breno Leitao <leitao@...ian.org>
This option makes legacy Netfilter Kconfig user selectable, giving users
the option to configure iptables without enabling any other config.
Make the following KConfig entries user selectable:
* BRIDGE_NF_EBTABLES_LEGACY
* IP_NF_ARPTABLES
* IP_NF_IPTABLES_LEGACY
* IP6_NF_IPTABLES_LEGACY
Signed-off-by: Breno Leitao <leitao@...ian.org>
Signed-off-by: Pablo Neira Ayuso <pablo@...filter.org>
---
net/bridge/netfilter/Kconfig | 8 +++++++-
net/ipv4/netfilter/Kconfig | 16 ++++++++++++++--
net/ipv6/netfilter/Kconfig | 9 ++++++++-
3 files changed, 29 insertions(+), 4 deletions(-)
diff --git a/net/bridge/netfilter/Kconfig b/net/bridge/netfilter/Kconfig
index 104c0125e32e..f16bbbbb9481 100644
--- a/net/bridge/netfilter/Kconfig
+++ b/net/bridge/netfilter/Kconfig
@@ -41,7 +41,13 @@ config NF_CONNTRACK_BRIDGE
# old sockopt interface and eval loop
config BRIDGE_NF_EBTABLES_LEGACY
- tristate
+ tristate "Legacy EBTABLES support"
+ depends on BRIDGE && NETFILTER_XTABLES
+ default n
+ help
+ Legacy ebtables packet/frame classifier.
+ This is not needed if you are using ebtables over nftables
+ (iptables-nft).
menuconfig BRIDGE_NF_EBTABLES
tristate "Ethernet Bridge tables (ebtables) support"
diff --git a/net/ipv4/netfilter/Kconfig b/net/ipv4/netfilter/Kconfig
index 1b991b889506..ef8009281da5 100644
--- a/net/ipv4/netfilter/Kconfig
+++ b/net/ipv4/netfilter/Kconfig
@@ -12,7 +12,13 @@ config NF_DEFRAG_IPV4
# old sockopt interface and eval loop
config IP_NF_IPTABLES_LEGACY
- tristate
+ tristate "Legacy IP tables support"
+ default n
+ select NETFILTER_XTABLES
+ help
+ iptables is a legacy packet classifier.
+ This is not needed if you are using iptables over nftables
+ (iptables-nft).
config NF_SOCKET_IPV4
tristate "IPv4 socket lookup support"
@@ -318,7 +324,13 @@ endif # IP_NF_IPTABLES
# ARP tables
config IP_NF_ARPTABLES
- tristate
+ tristate "Legacy ARPTABLES support"
+ depends on NETFILTER_XTABLES
+ default n
+ help
+ arptables is a legacy packet classifier.
+ This is not needed if you are using arptables over nftables
+ (iptables-nft).
config NFT_COMPAT_ARP
tristate
diff --git a/net/ipv6/netfilter/Kconfig b/net/ipv6/netfilter/Kconfig
index f3c8e2d918e1..e087a8e97ba7 100644
--- a/net/ipv6/netfilter/Kconfig
+++ b/net/ipv6/netfilter/Kconfig
@@ -8,7 +8,14 @@ menu "IPv6: Netfilter Configuration"
# old sockopt interface and eval loop
config IP6_NF_IPTABLES_LEGACY
- tristate
+ tristate "Legacy IP6 tables support"
+ depends on INET && IPV6
+ select NETFILTER_XTABLES
+ default n
+ help
+ ip6tables is a legacy packet classifier.
+ This is not needed if you are using iptables over nftables
+ (iptables-nft).
config NF_SOCKET_IPV6
tristate "IPv6 socket lookup support"
--
2.30.2
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