The l3proto name is gone, its header file is the last trace. While at it, also remove nf_nat_core.h, its realyl small and all places already include nf_nat.h. before: text data bss dec hex filename 22948 1612 4136 28696 7018 nf_nat.ko after removal of l3proto register/unregister functions: text data bss dec hex filename 22196 1516 4136 27848 6cc8 nf_nat.ko checkpatch complains about overly long lines, but line breaks do not make things more readable and the line length gets smaller here, not larger. Signed-off-by: Florian Westphal <fw@xxxxxxxxx> --- include/net/netfilter/nf_nat.h | 39 +++++++++++++++++++++++++ include/net/netfilter/nf_nat_core.h | 29 ------------------ include/net/netfilter/nf_nat_l3proto.h | 26 ----------------- net/ipv4/netfilter/iptable_nat.c | 8 ++--- net/ipv4/netfilter/nft_chain_nat_ipv4.c | 6 ++-- net/ipv6/netfilter/ip6table_nat.c | 8 ++--- net/ipv6/netfilter/nft_chain_nat_ipv6.c | 6 ++-- net/netfilter/nf_conntrack_core.c | 1 - net/netfilter/nf_conntrack_netlink.c | 2 +- net/netfilter/nf_nat_core.c | 2 -- net/netfilter/nf_nat_helper.c | 2 -- net/netfilter/nf_nat_proto.c | 18 +++++------- net/netfilter/nft_nat.c | 2 -- net/netfilter/xt_nat.c | 2 +- net/openvswitch/conntrack.c | 4 +-- 15 files changed, 60 insertions(+), 95 deletions(-) delete mode 100644 include/net/netfilter/nf_nat_core.h delete mode 100644 include/net/netfilter/nf_nat_l3proto.h diff --git a/include/net/netfilter/nf_nat.h b/include/net/netfilter/nf_nat.h index e53b4f9b8b44..cf332c4e0b32 100644 --- a/include/net/netfilter/nf_nat.h +++ b/include/net/netfilter/nf_nat.h @@ -73,4 +73,43 @@ int nf_nat_register_fn(struct net *net, const struct nf_hook_ops *ops, const struct nf_hook_ops *nat_ops, unsigned int ops_count); void nf_nat_unregister_fn(struct net *net, const struct nf_hook_ops *ops, unsigned int ops_count); + +unsigned int nf_nat_packet(struct nf_conn *ct, enum ip_conntrack_info ctinfo, + unsigned int hooknum, struct sk_buff *skb); + +unsigned int nf_nat_manip_pkt(struct sk_buff *skb, struct nf_conn *ct, + enum nf_nat_manip_type mtype, + enum ip_conntrack_dir dir); +void nf_nat_csum_recalc(struct sk_buff *skb, + u8 nfproto, u8 proto, void *data, __sum16 *check, + int datalen, int oldlen); + +int nf_nat_icmp_reply_translation(struct sk_buff *skb, struct nf_conn *ct, + enum ip_conntrack_info ctinfo, + unsigned int hooknum); + +int nf_nat_icmpv6_reply_translation(struct sk_buff *skb, struct nf_conn *ct, + enum ip_conntrack_info ctinfo, + unsigned int hooknum, unsigned int hdrlen); + +int nf_nat_ipv4_register_fn(struct net *net, const struct nf_hook_ops *ops); +void nf_nat_ipv4_unregister_fn(struct net *net, const struct nf_hook_ops *ops); + +int nf_nat_ipv6_register_fn(struct net *net, const struct nf_hook_ops *ops); +void nf_nat_ipv6_unregister_fn(struct net *net, const struct nf_hook_ops *ops); + +unsigned int +nf_nat_inet_fn(void *priv, struct sk_buff *skb, + const struct nf_hook_state *state); + +int nf_xfrm_me_harder(struct net *n, struct sk_buff *s, unsigned int family); + +static inline int nf_nat_initialized(struct nf_conn *ct, + enum nf_nat_manip_type manip) +{ + if (manip == NF_NAT_MANIP_SRC) + return ct->status & IPS_SRC_NAT_DONE; + else + return ct->status & IPS_DST_NAT_DONE; +} #endif diff --git a/include/net/netfilter/nf_nat_core.h b/include/net/netfilter/nf_nat_core.h deleted file mode 100644 index dc7cd0440229..000000000000 --- a/include/net/netfilter/nf_nat_core.h +++ /dev/null @@ -1,29 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0 */ -#ifndef _NF_NAT_CORE_H -#define _NF_NAT_CORE_H -#include <linux/list.h> -#include <net/netfilter/nf_conntrack.h> -#include <net/netfilter/nf_nat.h> - -/* This header used to share core functionality between the standalone - NAT module, and the compatibility layer's use of NAT for masquerading. */ - -unsigned int nf_nat_packet(struct nf_conn *ct, enum ip_conntrack_info ctinfo, - unsigned int hooknum, struct sk_buff *skb); - -unsigned int -nf_nat_inet_fn(void *priv, struct sk_buff *skb, - const struct nf_hook_state *state); - -int nf_xfrm_me_harder(struct net *net, struct sk_buff *skb, unsigned int family); - -static inline int nf_nat_initialized(struct nf_conn *ct, - enum nf_nat_manip_type manip) -{ - if (manip == NF_NAT_MANIP_SRC) - return ct->status & IPS_SRC_NAT_DONE; - else - return ct->status & IPS_DST_NAT_DONE; -} - -#endif /* _NF_NAT_CORE_H */ diff --git a/include/net/netfilter/nf_nat_l3proto.h b/include/net/netfilter/nf_nat_l3proto.h deleted file mode 100644 index 9a68f2b53a9e..000000000000 --- a/include/net/netfilter/nf_nat_l3proto.h +++ /dev/null @@ -1,26 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0 */ -#ifndef _NF_NAT_L3PROTO_H -#define _NF_NAT_L3PROTO_H - -unsigned int nf_nat_manip_pkt(struct sk_buff *skb, struct nf_conn *ct, - enum nf_nat_manip_type mtype, - enum ip_conntrack_dir dir); -void nf_nat_csum_recalc(struct sk_buff *skb, - u8 nfproto, u8 proto, void *data, __sum16 *check, - int datalen, int oldlen); - -int nf_nat_icmp_reply_translation(struct sk_buff *skb, struct nf_conn *ct, - enum ip_conntrack_info ctinfo, - unsigned int hooknum); - -int nf_nat_icmpv6_reply_translation(struct sk_buff *skb, struct nf_conn *ct, - enum ip_conntrack_info ctinfo, - unsigned int hooknum, unsigned int hdrlen); - -int nf_nat_l3proto_ipv4_register_fn(struct net *net, const struct nf_hook_ops *ops); -void nf_nat_l3proto_ipv4_unregister_fn(struct net *net, const struct nf_hook_ops *ops); - -int nf_nat_l3proto_ipv6_register_fn(struct net *net, const struct nf_hook_ops *ops); -void nf_nat_l3proto_ipv6_unregister_fn(struct net *net, const struct nf_hook_ops *ops); - -#endif /* _NF_NAT_L3PROTO_H */ diff --git a/net/ipv4/netfilter/iptable_nat.c b/net/ipv4/netfilter/iptable_nat.c index a317445448bf..007da0882412 100644 --- a/net/ipv4/netfilter/iptable_nat.c +++ b/net/ipv4/netfilter/iptable_nat.c @@ -15,8 +15,6 @@ #include <net/ip.h> #include <net/netfilter/nf_nat.h> -#include <net/netfilter/nf_nat_core.h> -#include <net/netfilter/nf_nat_l3proto.h> static int __net_init iptable_nat_table_init(struct net *net); @@ -70,10 +68,10 @@ static int ipt_nat_register_lookups(struct net *net) int i, ret; for (i = 0; i < ARRAY_SIZE(nf_nat_ipv4_ops); i++) { - ret = nf_nat_l3proto_ipv4_register_fn(net, &nf_nat_ipv4_ops[i]); + ret = nf_nat_ipv4_register_fn(net, &nf_nat_ipv4_ops[i]); if (ret) { while (i) - nf_nat_l3proto_ipv4_unregister_fn(net, &nf_nat_ipv4_ops[--i]); + nf_nat_ipv4_unregister_fn(net, &nf_nat_ipv4_ops[--i]); return ret; } @@ -87,7 +85,7 @@ static void ipt_nat_unregister_lookups(struct net *net) int i; for (i = 0; i < ARRAY_SIZE(nf_nat_ipv4_ops); i++) - nf_nat_l3proto_ipv4_unregister_fn(net, &nf_nat_ipv4_ops[i]); + nf_nat_ipv4_unregister_fn(net, &nf_nat_ipv4_ops[i]); } static int __net_init iptable_nat_table_init(struct net *net) diff --git a/net/ipv4/netfilter/nft_chain_nat_ipv4.c b/net/ipv4/netfilter/nft_chain_nat_ipv4.c index a3c4ea303e3e..0d1ad5901aff 100644 --- a/net/ipv4/netfilter/nft_chain_nat_ipv4.c +++ b/net/ipv4/netfilter/nft_chain_nat_ipv4.c @@ -20,10 +20,8 @@ #include <linux/netfilter/nf_tables.h> #include <net/netfilter/nf_conntrack.h> #include <net/netfilter/nf_nat.h> -#include <net/netfilter/nf_nat_core.h> #include <net/netfilter/nf_tables.h> #include <net/netfilter/nf_tables_ipv4.h> -#include <net/netfilter/nf_nat_l3proto.h> #include <net/ip.h> static unsigned int nft_nat_do_chain(void *priv, @@ -40,12 +38,12 @@ static unsigned int nft_nat_do_chain(void *priv, static int nft_nat_ipv4_reg(struct net *net, const struct nf_hook_ops *ops) { - return nf_nat_l3proto_ipv4_register_fn(net, ops); + return nf_nat_ipv4_register_fn(net, ops); } static void nft_nat_ipv4_unreg(struct net *net, const struct nf_hook_ops *ops) { - nf_nat_l3proto_ipv4_unregister_fn(net, ops); + nf_nat_ipv4_unregister_fn(net, ops); } static const struct nft_chain_type nft_chain_nat_ipv4 = { diff --git a/net/ipv6/netfilter/ip6table_nat.c b/net/ipv6/netfilter/ip6table_nat.c index 67ba70ab9f5c..3e1fab9d7503 100644 --- a/net/ipv6/netfilter/ip6table_nat.c +++ b/net/ipv6/netfilter/ip6table_nat.c @@ -17,8 +17,6 @@ #include <net/ipv6.h> #include <net/netfilter/nf_nat.h> -#include <net/netfilter/nf_nat_core.h> -#include <net/netfilter/nf_nat_l3proto.h> static int __net_init ip6table_nat_table_init(struct net *net); @@ -72,10 +70,10 @@ static int ip6t_nat_register_lookups(struct net *net) int i, ret; for (i = 0; i < ARRAY_SIZE(nf_nat_ipv6_ops); i++) { - ret = nf_nat_l3proto_ipv6_register_fn(net, &nf_nat_ipv6_ops[i]); + ret = nf_nat_ipv6_register_fn(net, &nf_nat_ipv6_ops[i]); if (ret) { while (i) - nf_nat_l3proto_ipv6_unregister_fn(net, &nf_nat_ipv6_ops[--i]); + nf_nat_ipv6_unregister_fn(net, &nf_nat_ipv6_ops[--i]); return ret; } @@ -89,7 +87,7 @@ static void ip6t_nat_unregister_lookups(struct net *net) int i; for (i = 0; i < ARRAY_SIZE(nf_nat_ipv6_ops); i++) - nf_nat_l3proto_ipv6_unregister_fn(net, &nf_nat_ipv6_ops[i]); + nf_nat_ipv6_unregister_fn(net, &nf_nat_ipv6_ops[i]); } static int __net_init ip6table_nat_table_init(struct net *net) diff --git a/net/ipv6/netfilter/nft_chain_nat_ipv6.c b/net/ipv6/netfilter/nft_chain_nat_ipv6.c index 8a081ad7d5db..e66bfd0b3d15 100644 --- a/net/ipv6/netfilter/nft_chain_nat_ipv6.c +++ b/net/ipv6/netfilter/nft_chain_nat_ipv6.c @@ -18,10 +18,8 @@ #include <linux/netfilter/nf_tables.h> #include <net/netfilter/nf_conntrack.h> #include <net/netfilter/nf_nat.h> -#include <net/netfilter/nf_nat_core.h> #include <net/netfilter/nf_tables.h> #include <net/netfilter/nf_tables_ipv6.h> -#include <net/netfilter/nf_nat_l3proto.h> #include <net/ipv6.h> static unsigned int nft_nat_do_chain(void *priv, @@ -38,12 +36,12 @@ static unsigned int nft_nat_do_chain(void *priv, static int nft_nat_ipv6_reg(struct net *net, const struct nf_hook_ops *ops) { - return nf_nat_l3proto_ipv6_register_fn(net, ops); + return nf_nat_ipv6_register_fn(net, ops); } static void nft_nat_ipv6_unreg(struct net *net, const struct nf_hook_ops *ops) { - nf_nat_l3proto_ipv6_unregister_fn(net, ops); + nf_nat_ipv6_unregister_fn(net, ops); } static const struct nft_chain_type nft_chain_nat_ipv6 = { diff --git a/net/netfilter/nf_conntrack_core.c b/net/netfilter/nf_conntrack_core.c index 815956ac5a76..4f353c07167e 100644 --- a/net/netfilter/nf_conntrack_core.c +++ b/net/netfilter/nf_conntrack_core.c @@ -51,7 +51,6 @@ #include <net/netfilter/nf_conntrack_labels.h> #include <net/netfilter/nf_conntrack_synproxy.h> #include <net/netfilter/nf_nat.h> -#include <net/netfilter/nf_nat_core.h> #include <net/netfilter/nf_nat_helper.h> #include <net/netns/hash.h> #include <net/ip.h> diff --git a/net/netfilter/nf_conntrack_netlink.c b/net/netfilter/nf_conntrack_netlink.c index 8071bb04a849..0e8129498da0 100644 --- a/net/netfilter/nf_conntrack_netlink.c +++ b/net/netfilter/nf_conntrack_netlink.c @@ -46,7 +46,7 @@ #include <net/netfilter/nf_conntrack_labels.h> #include <net/netfilter/nf_conntrack_synproxy.h> #ifdef CONFIG_NF_NAT_NEEDED -#include <net/netfilter/nf_nat_core.h> +#include <net/netfilter/nf_nat.h> #include <net/netfilter/nf_nat_helper.h> #endif diff --git a/net/netfilter/nf_nat_core.c b/net/netfilter/nf_nat_core.c index 2914456954dc..3bcb110d2e00 100644 --- a/net/netfilter/nf_nat_core.c +++ b/net/netfilter/nf_nat_core.c @@ -22,8 +22,6 @@ #include <net/netfilter/nf_conntrack.h> #include <net/netfilter/nf_conntrack_core.h> #include <net/netfilter/nf_nat.h> -#include <net/netfilter/nf_nat_l3proto.h> -#include <net/netfilter/nf_nat_core.h> #include <net/netfilter/nf_nat_helper.h> #include <net/netfilter/nf_conntrack_helper.h> #include <net/netfilter/nf_conntrack_seqadj.h> diff --git a/net/netfilter/nf_nat_helper.c b/net/netfilter/nf_nat_helper.c index 0a8dd5f368cd..ccc06f7539d7 100644 --- a/net/netfilter/nf_nat_helper.c +++ b/net/netfilter/nf_nat_helper.c @@ -22,8 +22,6 @@ #include <net/netfilter/nf_conntrack_expect.h> #include <net/netfilter/nf_conntrack_seqadj.h> #include <net/netfilter/nf_nat.h> -#include <net/netfilter/nf_nat_l3proto.h> -#include <net/netfilter/nf_nat_core.h> #include <net/netfilter/nf_nat_helper.h> /* Frobs data inside this packet, which is linear. */ diff --git a/net/netfilter/nf_nat_proto.c b/net/netfilter/nf_nat_proto.c index 946c9399cb75..e07b47fbc141 100644 --- a/net/netfilter/nf_nat_proto.c +++ b/net/netfilter/nf_nat_proto.c @@ -20,8 +20,6 @@ #include <linux/netfilter.h> #include <net/netfilter/nf_nat.h> -#include <net/netfilter/nf_nat_core.h> -#include <net/netfilter/nf_nat_l3proto.h> #include <linux/ipv6.h> #include <linux/netfilter_ipv6.h> @@ -752,17 +750,17 @@ static const struct nf_hook_ops nf_nat_ipv4_ops[] = { }, }; -int nf_nat_l3proto_ipv4_register_fn(struct net *net, const struct nf_hook_ops *ops) +int nf_nat_ipv4_register_fn(struct net *net, const struct nf_hook_ops *ops) { return nf_nat_register_fn(net, ops, nf_nat_ipv4_ops, ARRAY_SIZE(nf_nat_ipv4_ops)); } -EXPORT_SYMBOL_GPL(nf_nat_l3proto_ipv4_register_fn); +EXPORT_SYMBOL_GPL(nf_nat_ipv4_register_fn); -void nf_nat_l3proto_ipv4_unregister_fn(struct net *net, const struct nf_hook_ops *ops) +void nf_nat_ipv4_unregister_fn(struct net *net, const struct nf_hook_ops *ops) { nf_nat_unregister_fn(net, ops, ARRAY_SIZE(nf_nat_ipv4_ops)); } -EXPORT_SYMBOL_GPL(nf_nat_l3proto_ipv4_unregister_fn); +EXPORT_SYMBOL_GPL(nf_nat_ipv4_unregister_fn); #if IS_ENABLED(CONFIG_IPV6) int nf_nat_icmpv6_reply_translation(struct sk_buff *skb, @@ -994,16 +992,16 @@ static const struct nf_hook_ops nf_nat_ipv6_ops[] = { }, }; -int nf_nat_l3proto_ipv6_register_fn(struct net *net, const struct nf_hook_ops *ops) +int nf_nat_ipv6_register_fn(struct net *net, const struct nf_hook_ops *ops) { return nf_nat_register_fn(net, ops, nf_nat_ipv6_ops, ARRAY_SIZE(nf_nat_ipv6_ops)); } -EXPORT_SYMBOL_GPL(nf_nat_l3proto_ipv6_register_fn); +EXPORT_SYMBOL_GPL(nf_nat_ipv6_register_fn); -void nf_nat_l3proto_ipv6_unregister_fn(struct net *net, const struct nf_hook_ops *ops) +void nf_nat_ipv6_unregister_fn(struct net *net, const struct nf_hook_ops *ops) { nf_nat_unregister_fn(net, ops, ARRAY_SIZE(nf_nat_ipv6_ops)); } -EXPORT_SYMBOL_GPL(nf_nat_l3proto_ipv6_unregister_fn); +EXPORT_SYMBOL_GPL(nf_nat_ipv6_unregister_fn); #endif /* CONFIG_IPV6 */ diff --git a/net/netfilter/nft_nat.c b/net/netfilter/nft_nat.c index c15807d10b91..e93aed9bda88 100644 --- a/net/netfilter/nft_nat.c +++ b/net/netfilter/nft_nat.c @@ -21,9 +21,7 @@ #include <linux/netfilter/nf_tables.h> #include <net/netfilter/nf_conntrack.h> #include <net/netfilter/nf_nat.h> -#include <net/netfilter/nf_nat_core.h> #include <net/netfilter/nf_tables.h> -#include <net/netfilter/nf_nat_l3proto.h> #include <net/ip.h> struct nft_nat { diff --git a/net/netfilter/xt_nat.c b/net/netfilter/xt_nat.c index ac91170fc8c8..61eabd171186 100644 --- a/net/netfilter/xt_nat.c +++ b/net/netfilter/xt_nat.c @@ -14,7 +14,7 @@ #include <linux/skbuff.h> #include <linux/netfilter.h> #include <linux/netfilter/x_tables.h> -#include <net/netfilter/nf_nat_core.h> +#include <net/netfilter/nf_nat.h> static int xt_nat_checkentry_v0(const struct xt_tgchk_param *par) { diff --git a/net/openvswitch/conntrack.c b/net/openvswitch/conntrack.c index def4d28fcbc3..1b6896896fff 100644 --- a/net/openvswitch/conntrack.c +++ b/net/openvswitch/conntrack.c @@ -29,9 +29,7 @@ #include <net/ipv6_frag.h> #ifdef CONFIG_NF_NAT_NEEDED -#include <linux/netfilter/nf_nat.h> -#include <net/netfilter/nf_nat_core.h> -#include <net/netfilter/nf_nat_l3proto.h> +#include <net/netfilter/nf_nat.h> #endif #include "datapath.h" -- 2.19.2