From c42ba4290b2147aa033d17f22151494515655d77 Mon Sep 17 00:00:00 2001 From: Florian Westphal Date: Fri, 17 Dec 2021 15:10:55 +0100 Subject: netfilter: flowtable: remove ipv4/ipv6 modules Just place the structs and registration in the inet module. nf_flow_table_ipv6, nf_flow_table_ipv4 and nf_flow_table_inet share same module dependencies: nf_flow_table, nf_tables. before: text data bss dec hex filename 2278 1480 0 3758 eae nf_flow_table_inet.ko 1159 1352 0 2511 9cf nf_flow_table_ipv6.ko 1154 1352 0 2506 9ca nf_flow_table_ipv4.ko after: 2369 1672 0 4041 fc9 nf_flow_table_inet.ko Signed-off-by: Florian Westphal Signed-off-by: Pablo Neira Ayuso --- net/ipv4/netfilter/Kconfig | 8 ++----- net/ipv4/netfilter/Makefile | 3 --- net/ipv4/netfilter/nf_flow_table_ipv4.c | 37 -------------------------------- net/ipv6/netfilter/Kconfig | 8 ++----- net/ipv6/netfilter/nf_flow_table_ipv6.c | 38 --------------------------------- net/netfilter/nf_flow_table_inet.c | 26 ++++++++++++++++++++++ 6 files changed, 30 insertions(+), 90 deletions(-) (limited to 'net') diff --git a/net/ipv4/netfilter/Kconfig b/net/ipv4/netfilter/Kconfig index 63cb953bd019..67087f95579f 100644 --- a/net/ipv4/netfilter/Kconfig +++ b/net/ipv4/netfilter/Kconfig @@ -59,12 +59,8 @@ config NF_TABLES_ARP endif # NF_TABLES config NF_FLOW_TABLE_IPV4 - tristate "Netfilter flow table IPv4 module" - depends on NF_FLOW_TABLE - help - This option adds the flow table IPv4 support. - - To compile it as a module, choose M here. + tristate + select NF_FLOW_TABLE_INET config NF_DUP_IPV4 tristate "Netfilter IPv4 packet duplication to alternate destination" diff --git a/net/ipv4/netfilter/Makefile b/net/ipv4/netfilter/Makefile index f38fb1368ddb..93bad1184251 100644 --- a/net/ipv4/netfilter/Makefile +++ b/net/ipv4/netfilter/Makefile @@ -24,9 +24,6 @@ obj-$(CONFIG_NFT_REJECT_IPV4) += nft_reject_ipv4.o obj-$(CONFIG_NFT_FIB_IPV4) += nft_fib_ipv4.o obj-$(CONFIG_NFT_DUP_IPV4) += nft_dup_ipv4.o -# flow table support -obj-$(CONFIG_NF_FLOW_TABLE_IPV4) += nf_flow_table_ipv4.o - # generic IP tables obj-$(CONFIG_IP_NF_IPTABLES) += ip_tables.o diff --git a/net/ipv4/netfilter/nf_flow_table_ipv4.c b/net/ipv4/netfilter/nf_flow_table_ipv4.c index aba65fe90345..e69de29bb2d1 100644 --- a/net/ipv4/netfilter/nf_flow_table_ipv4.c +++ b/net/ipv4/netfilter/nf_flow_table_ipv4.c @@ -1,37 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0-only -#include -#include -#include -#include -#include -#include - -static struct nf_flowtable_type flowtable_ipv4 = { - .family = NFPROTO_IPV4, - .init = nf_flow_table_init, - .setup = nf_flow_table_offload_setup, - .action = nf_flow_rule_route_ipv4, - .free = nf_flow_table_free, - .hook = nf_flow_offload_ip_hook, - .owner = THIS_MODULE, -}; - -static int __init nf_flow_ipv4_module_init(void) -{ - nft_register_flowtable_type(&flowtable_ipv4); - - return 0; -} - -static void __exit nf_flow_ipv4_module_exit(void) -{ - nft_unregister_flowtable_type(&flowtable_ipv4); -} - -module_init(nf_flow_ipv4_module_init); -module_exit(nf_flow_ipv4_module_exit); - -MODULE_LICENSE("GPL"); -MODULE_AUTHOR("Pablo Neira Ayuso "); -MODULE_ALIAS_NF_FLOWTABLE(AF_INET); -MODULE_DESCRIPTION("Netfilter flow table support"); diff --git a/net/ipv6/netfilter/Kconfig b/net/ipv6/netfilter/Kconfig index f22233e44ee9..97d3d1b36dbc 100644 --- a/net/ipv6/netfilter/Kconfig +++ b/net/ipv6/netfilter/Kconfig @@ -48,12 +48,8 @@ endif # NF_TABLES_IPV6 endif # NF_TABLES config NF_FLOW_TABLE_IPV6 - tristate "Netfilter flow table IPv6 module" - depends on NF_FLOW_TABLE - help - This option adds the flow table IPv6 support. - - To compile it as a module, choose M here. + tristate + select NF_FLOW_TABLE_INET config NF_DUP_IPV6 tristate "Netfilter IPv6 packet duplication to alternate destination" diff --git a/net/ipv6/netfilter/nf_flow_table_ipv6.c b/net/ipv6/netfilter/nf_flow_table_ipv6.c index 667b8af2546a..e69de29bb2d1 100644 --- a/net/ipv6/netfilter/nf_flow_table_ipv6.c +++ b/net/ipv6/netfilter/nf_flow_table_ipv6.c @@ -1,38 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0-only -#include -#include -#include -#include -#include -#include -#include - -static struct nf_flowtable_type flowtable_ipv6 = { - .family = NFPROTO_IPV6, - .init = nf_flow_table_init, - .setup = nf_flow_table_offload_setup, - .action = nf_flow_rule_route_ipv6, - .free = nf_flow_table_free, - .hook = nf_flow_offload_ipv6_hook, - .owner = THIS_MODULE, -}; - -static int __init nf_flow_ipv6_module_init(void) -{ - nft_register_flowtable_type(&flowtable_ipv6); - - return 0; -} - -static void __exit nf_flow_ipv6_module_exit(void) -{ - nft_unregister_flowtable_type(&flowtable_ipv6); -} - -module_init(nf_flow_ipv6_module_init); -module_exit(nf_flow_ipv6_module_exit); - -MODULE_LICENSE("GPL"); -MODULE_AUTHOR("Pablo Neira Ayuso "); -MODULE_ALIAS_NF_FLOWTABLE(AF_INET6); -MODULE_DESCRIPTION("Netfilter flow table IPv6 module"); diff --git a/net/netfilter/nf_flow_table_inet.c b/net/netfilter/nf_flow_table_inet.c index bc4126d8ef65..5c57ade6bd05 100644 --- a/net/netfilter/nf_flow_table_inet.c +++ b/net/netfilter/nf_flow_table_inet.c @@ -54,8 +54,30 @@ static struct nf_flowtable_type flowtable_inet = { .owner = THIS_MODULE, }; +static struct nf_flowtable_type flowtable_ipv4 = { + .family = NFPROTO_IPV4, + .init = nf_flow_table_init, + .setup = nf_flow_table_offload_setup, + .action = nf_flow_rule_route_ipv4, + .free = nf_flow_table_free, + .hook = nf_flow_offload_ip_hook, + .owner = THIS_MODULE, +}; + +static struct nf_flowtable_type flowtable_ipv6 = { + .family = NFPROTO_IPV6, + .init = nf_flow_table_init, + .setup = nf_flow_table_offload_setup, + .action = nf_flow_rule_route_ipv6, + .free = nf_flow_table_free, + .hook = nf_flow_offload_ipv6_hook, + .owner = THIS_MODULE, +}; + static int __init nf_flow_inet_module_init(void) { + nft_register_flowtable_type(&flowtable_ipv4); + nft_register_flowtable_type(&flowtable_ipv6); nft_register_flowtable_type(&flowtable_inet); return 0; @@ -64,6 +86,8 @@ static int __init nf_flow_inet_module_init(void) static void __exit nf_flow_inet_module_exit(void) { nft_unregister_flowtable_type(&flowtable_inet); + nft_unregister_flowtable_type(&flowtable_ipv6); + nft_unregister_flowtable_type(&flowtable_ipv4); } module_init(nf_flow_inet_module_init); @@ -71,5 +95,7 @@ module_exit(nf_flow_inet_module_exit); MODULE_LICENSE("GPL"); MODULE_AUTHOR("Pablo Neira Ayuso "); +MODULE_ALIAS_NF_FLOWTABLE(AF_INET); +MODULE_ALIAS_NF_FLOWTABLE(AF_INET6); MODULE_ALIAS_NF_FLOWTABLE(1); /* NFPROTO_INET */ MODULE_DESCRIPTION("Netfilter flow table mixed IPv4/IPv6 module"); -- cgit v1.2.3-59-g8ed1b