diff options
author | Pablo Neira Ayuso <pablo@netfilter.org> | 2018-03-27 11:53:07 +0200 |
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committer | Pablo Neira Ayuso <pablo@netfilter.org> | 2018-03-30 11:29:19 +0200 |
commit | 02c7b25e5f54321b9063e18d4f52cce07f8e081d (patch) | |
tree | c497bb71b3f152f3f07ea93dfbd605632e61457a /net/bridge/netfilter | |
parent | cc07eeb0e5ee18895241460bdccf91a4952731f9 (diff) | |
download | linux-02c7b25e5f54321b9063e18d4f52cce07f8e081d.tar.bz2 |
netfilter: nf_tables: build-in filter chain type
One module per supported filter chain family type takes too much memory
for very little code - too much modularization - place all chain filter
definitions in one single file.
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Diffstat (limited to 'net/bridge/netfilter')
-rw-r--r-- | net/bridge/netfilter/Kconfig | 2 | ||||
-rw-r--r-- | net/bridge/netfilter/Makefile | 1 | ||||
-rw-r--r-- | net/bridge/netfilter/nf_tables_bridge.c | 81 |
3 files changed, 1 insertions, 83 deletions
diff --git a/net/bridge/netfilter/Kconfig b/net/bridge/netfilter/Kconfig index 225d1668dfdd..f212447794bd 100644 --- a/net/bridge/netfilter/Kconfig +++ b/net/bridge/netfilter/Kconfig @@ -5,7 +5,7 @@ menuconfig NF_TABLES_BRIDGE depends on BRIDGE && NETFILTER && NF_TABLES select NETFILTER_FAMILY_BRIDGE - tristate "Ethernet Bridge nf_tables support" + bool "Ethernet Bridge nf_tables support" if NF_TABLES_BRIDGE diff --git a/net/bridge/netfilter/Makefile b/net/bridge/netfilter/Makefile index 2f28e16de6c7..4bc758dd4a8c 100644 --- a/net/bridge/netfilter/Makefile +++ b/net/bridge/netfilter/Makefile @@ -3,7 +3,6 @@ # Makefile for the netfilter modules for Link Layer filtering on a bridge. # -obj-$(CONFIG_NF_TABLES_BRIDGE) += nf_tables_bridge.o obj-$(CONFIG_NFT_BRIDGE_META) += nft_meta_bridge.o obj-$(CONFIG_NFT_BRIDGE_REJECT) += nft_reject_bridge.o diff --git a/net/bridge/netfilter/nf_tables_bridge.c b/net/bridge/netfilter/nf_tables_bridge.c deleted file mode 100644 index ffb8580dfdac..000000000000 --- a/net/bridge/netfilter/nf_tables_bridge.c +++ /dev/null @@ -1,81 +0,0 @@ -/* - * Copyright (c) 2008 Patrick McHardy <kaber@trash.net> - * Copyright (c) 2013 Pablo Neira Ayuso <pablo@netfilter.org> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - * - * Development of this code funded by Astaro AG (http://www.astaro.com/) - */ - -#include <linux/init.h> -#include <linux/module.h> -#include <linux/netfilter_bridge.h> -#include <net/netfilter/nf_tables.h> -#include <linux/ip.h> -#include <linux/ipv6.h> -#include <net/netfilter/nf_tables_ipv4.h> -#include <net/netfilter/nf_tables_ipv6.h> - -static unsigned int -nft_do_chain_bridge(void *priv, - struct sk_buff *skb, - const struct nf_hook_state *state) -{ - struct nft_pktinfo pkt; - - nft_set_pktinfo(&pkt, skb, state); - - switch (eth_hdr(skb)->h_proto) { - case htons(ETH_P_IP): - nft_set_pktinfo_ipv4_validate(&pkt, skb); - break; - case htons(ETH_P_IPV6): - nft_set_pktinfo_ipv6_validate(&pkt, skb); - break; - default: - nft_set_pktinfo_unspec(&pkt, skb); - break; - } - - return nft_do_chain(&pkt, priv); -} - -static const struct nft_chain_type filter_bridge = { - .name = "filter", - .type = NFT_CHAIN_T_DEFAULT, - .family = NFPROTO_BRIDGE, - .owner = THIS_MODULE, - .hook_mask = (1 << NF_BR_PRE_ROUTING) | - (1 << NF_BR_LOCAL_IN) | - (1 << NF_BR_FORWARD) | - (1 << NF_BR_LOCAL_OUT) | - (1 << NF_BR_POST_ROUTING), - .hooks = { - [NF_BR_PRE_ROUTING] = nft_do_chain_bridge, - [NF_BR_LOCAL_IN] = nft_do_chain_bridge, - [NF_BR_FORWARD] = nft_do_chain_bridge, - [NF_BR_LOCAL_OUT] = nft_do_chain_bridge, - [NF_BR_POST_ROUTING] = nft_do_chain_bridge, - }, -}; - -static int __init nf_tables_bridge_init(void) -{ - nft_register_chain_type(&filter_bridge); - - return 0; -} - -static void __exit nf_tables_bridge_exit(void) -{ - nft_unregister_chain_type(&filter_bridge); -} - -module_init(nf_tables_bridge_init); -module_exit(nf_tables_bridge_exit); - -MODULE_LICENSE("GPL"); -MODULE_AUTHOR("Patrick McHardy <kaber@trash.net>"); -MODULE_ALIAS_NFT_CHAIN(AF_BRIDGE, "filter"); |