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authorFlorian Westphal <fw@strlen.de>2019-02-28 12:02:50 +0100
committerPablo Neira Ayuso <pablo@netfilter.org>2019-03-01 14:36:58 +0100
commitc78efc99c75089efd3df2ebd3bd279b52b4ab125 (patch)
tree8af1e50652cd8369255dbcd95fd97c24ba9dfdaf /net/ipv6
parent20fdaf6e1e313b4efa48243d5250526eb43ea70d (diff)
netfilter: nf_tables: nat: merge nft_redir protocol specific modules
before: text data bss dec hex filename 990 832 0 1822 71e nft_redir.ko 697 896 0 1593 639 nft_redir_ipv4.ko 713 896 0 1609 649 nft_redir_ipv6.ko after: text data bss dec hex filename 1910 960 0 2870 b36 nft_redir.ko size is reduced, all helpers from nft_redir.ko can be made static. Signed-off-by: Florian Westphal <fw@strlen.de> Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Diffstat (limited to 'net/ipv6')
-rw-r--r--net/ipv6/netfilter/Kconfig8
-rw-r--r--net/ipv6/netfilter/Makefile1
-rw-r--r--net/ipv6/netfilter/nft_redir_ipv6.c83
3 files changed, 0 insertions, 92 deletions
diff --git a/net/ipv6/netfilter/Kconfig b/net/ipv6/netfilter/Kconfig
index a04a38166d8c..7e7cc411003a 100644
--- a/net/ipv6/netfilter/Kconfig
+++ b/net/ipv6/netfilter/Kconfig
@@ -49,14 +49,6 @@ config NFT_MASQ_IPV6
This is the expression that provides IPv4 masquerading support for
nf_tables.
-config NFT_REDIR_IPV6
- tristate "IPv6 redirect support for nf_tables"
- depends on NFT_REDIR
- select NF_NAT_REDIRECT
- help
- This is the expression that provides IPv4 redirect support for
- nf_tables.
-
endif # NF_NAT
config NFT_REJECT_IPV6
diff --git a/net/ipv6/netfilter/Makefile b/net/ipv6/netfilter/Makefile
index afb880427133..42a80d03245a 100644
--- a/net/ipv6/netfilter/Makefile
+++ b/net/ipv6/netfilter/Makefile
@@ -31,7 +31,6 @@ obj-$(CONFIG_NFT_CHAIN_ROUTE_IPV6) += nft_chain_route_ipv6.o
obj-$(CONFIG_NFT_CHAIN_NAT_IPV6) += nft_chain_nat_ipv6.o
obj-$(CONFIG_NFT_REJECT_IPV6) += nft_reject_ipv6.o
obj-$(CONFIG_NFT_MASQ_IPV6) += nft_masq_ipv6.o
-obj-$(CONFIG_NFT_REDIR_IPV6) += nft_redir_ipv6.o
obj-$(CONFIG_NFT_DUP_IPV6) += nft_dup_ipv6.o
obj-$(CONFIG_NFT_FIB_IPV6) += nft_fib_ipv6.o
diff --git a/net/ipv6/netfilter/nft_redir_ipv6.c b/net/ipv6/netfilter/nft_redir_ipv6.c
deleted file mode 100644
index 74269865acc8..000000000000
--- a/net/ipv6/netfilter/nft_redir_ipv6.c
+++ /dev/null
@@ -1,83 +0,0 @@
-/*
- * Copyright (c) 2014 Arturo Borrero Gonzalez <arturo@debian.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.
- */
-
-#include <linux/kernel.h>
-#include <linux/init.h>
-#include <linux/module.h>
-#include <linux/netlink.h>
-#include <linux/netfilter.h>
-#include <linux/netfilter/nf_tables.h>
-#include <net/netfilter/nf_tables.h>
-#include <net/netfilter/nf_nat.h>
-#include <net/netfilter/nft_redir.h>
-#include <net/netfilter/nf_nat_redirect.h>
-
-static void nft_redir_ipv6_eval(const struct nft_expr *expr,
- struct nft_regs *regs,
- const struct nft_pktinfo *pkt)
-{
- struct nft_redir *priv = nft_expr_priv(expr);
- struct nf_nat_range2 range;
-
- memset(&range, 0, sizeof(range));
- if (priv->sreg_proto_min) {
- range.min_proto.all = (__force __be16)nft_reg_load16(
- &regs->data[priv->sreg_proto_min]);
- range.max_proto.all = (__force __be16)nft_reg_load16(
- &regs->data[priv->sreg_proto_max]);
- range.flags |= NF_NAT_RANGE_PROTO_SPECIFIED;
- }
-
- range.flags |= priv->flags;
-
- regs->verdict.code =
- nf_nat_redirect_ipv6(pkt->skb, &range, nft_hook(pkt));
-}
-
-static void
-nft_redir_ipv6_destroy(const struct nft_ctx *ctx, const struct nft_expr *expr)
-{
- nf_ct_netns_put(ctx->net, NFPROTO_IPV6);
-}
-
-static struct nft_expr_type nft_redir_ipv6_type;
-static const struct nft_expr_ops nft_redir_ipv6_ops = {
- .type = &nft_redir_ipv6_type,
- .size = NFT_EXPR_SIZE(sizeof(struct nft_redir)),
- .eval = nft_redir_ipv6_eval,
- .init = nft_redir_init,
- .destroy = nft_redir_ipv6_destroy,
- .dump = nft_redir_dump,
- .validate = nft_redir_validate,
-};
-
-static struct nft_expr_type nft_redir_ipv6_type __read_mostly = {
- .family = NFPROTO_IPV6,
- .name = "redir",
- .ops = &nft_redir_ipv6_ops,
- .policy = nft_redir_policy,
- .maxattr = NFTA_REDIR_MAX,
- .owner = THIS_MODULE,
-};
-
-static int __init nft_redir_ipv6_module_init(void)
-{
- return nft_register_expr(&nft_redir_ipv6_type);
-}
-
-static void __exit nft_redir_ipv6_module_exit(void)
-{
- nft_unregister_expr(&nft_redir_ipv6_type);
-}
-
-module_init(nft_redir_ipv6_module_init);
-module_exit(nft_redir_ipv6_module_exit);
-
-MODULE_LICENSE("GPL");
-MODULE_AUTHOR("Arturo Borrero Gonzalez <arturo@debian.org>");
-MODULE_ALIAS_NFT_AF_EXPR(AF_INET6, "redir");