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-rw-r--r--include/linux/icmpv6.h29
-rw-r--r--include/linux/indirect_call_wrapper.h2
-rw-r--r--include/linux/netfilter_ipv6.h102
3 files changed, 9 insertions, 124 deletions
diff --git a/include/linux/icmpv6.h b/include/linux/icmpv6.h
index e3b3b0fa2a8f..2bd9f2157e6c 100644
--- a/include/linux/icmpv6.h
+++ b/include/linux/icmpv6.h
@@ -15,38 +15,13 @@ static inline struct icmp6hdr *icmp6_hdr(const struct sk_buff *skb)
#if IS_ENABLED(CONFIG_IPV6)
-typedef void ip6_icmp_send_t(struct sk_buff *skb, u8 type, u8 code, __u32 info,
- const struct in6_addr *force_saddr,
- const struct inet6_skb_parm *parm);
void icmp6_send(struct sk_buff *skb, u8 type, u8 code, __u32 info,
const struct in6_addr *force_saddr,
const struct inet6_skb_parm *parm);
-#if IS_BUILTIN(CONFIG_IPV6)
-static inline void __icmpv6_send(struct sk_buff *skb, u8 type, u8 code, __u32 info,
- const struct inet6_skb_parm *parm)
-{
- icmp6_send(skb, type, code, info, NULL, parm);
-}
-static inline int inet6_register_icmp_sender(ip6_icmp_send_t *fn)
-{
- BUILD_BUG_ON(fn != icmp6_send);
- return 0;
-}
-static inline int inet6_unregister_icmp_sender(ip6_icmp_send_t *fn)
-{
- BUILD_BUG_ON(fn != icmp6_send);
- return 0;
-}
-#else
-extern void __icmpv6_send(struct sk_buff *skb, u8 type, u8 code, __u32 info,
- const struct inet6_skb_parm *parm);
-extern int inet6_register_icmp_sender(ip6_icmp_send_t *fn);
-extern int inet6_unregister_icmp_sender(ip6_icmp_send_t *fn);
-#endif
static inline void icmpv6_send(struct sk_buff *skb, u8 type, u8 code, __u32 info)
{
- __icmpv6_send(skb, type, code, info, IP6CB(skb));
+ icmp6_send(skb, type, code, info, NULL, IP6CB(skb));
}
int ip6_err_gen_icmpv6_unreach(struct sk_buff *skb, int nhs, int type,
@@ -58,7 +33,7 @@ void icmpv6_ndo_send(struct sk_buff *skb_in, u8 type, u8 code, __u32 info);
static inline void icmpv6_ndo_send(struct sk_buff *skb_in, u8 type, u8 code, __u32 info)
{
struct inet6_skb_parm parm = { 0 };
- __icmpv6_send(skb_in, type, code, info, &parm);
+ icmp6_send(skb_in, type, code, info, NULL, &parm);
}
#endif
diff --git a/include/linux/indirect_call_wrapper.h b/include/linux/indirect_call_wrapper.h
index dc272b514a01..0e4340ecd857 100644
--- a/include/linux/indirect_call_wrapper.h
+++ b/include/linux/indirect_call_wrapper.h
@@ -57,7 +57,7 @@
* builtin, this macro simplify dealing with indirect calls with only ipv4/ipv6
* alternatives
*/
-#if IS_BUILTIN(CONFIG_IPV6)
+#if IS_ENABLED(CONFIG_IPV6)
#define INDIRECT_CALL_INET(f, f2, f1, ...) \
INDIRECT_CALL_2(f, f2, f1, __VA_ARGS__)
#elif IS_ENABLED(CONFIG_INET)
diff --git a/include/linux/netfilter_ipv6.h b/include/linux/netfilter_ipv6.h
index 61aa48f46dd7..5ce45b6d890f 100644
--- a/include/linux/netfilter_ipv6.h
+++ b/include/linux/netfilter_ipv6.h
@@ -34,59 +34,13 @@ struct ip6_rt_info {
struct nf_queue_entry;
struct nf_bridge_frag_data;
-/*
- * Hook functions for ipv6 to allow xt_* modules to be built-in even
- * if IPv6 is a module.
- */
-struct nf_ipv6_ops {
-#if IS_MODULE(CONFIG_IPV6)
- int (*chk_addr)(struct net *net, const struct in6_addr *addr,
- const struct net_device *dev, int strict);
- int (*route_me_harder)(struct net *net, struct sock *sk, struct sk_buff *skb);
- int (*dev_get_saddr)(struct net *net, const struct net_device *dev,
- const struct in6_addr *daddr, unsigned int srcprefs,
- struct in6_addr *saddr);
- int (*route)(struct net *net, struct dst_entry **dst, struct flowi *fl,
- bool strict);
- u32 (*cookie_init_sequence)(const struct ipv6hdr *iph,
- const struct tcphdr *th, u16 *mssp);
- int (*cookie_v6_check)(const struct ipv6hdr *iph,
- const struct tcphdr *th);
-#endif
- void (*route_input)(struct sk_buff *skb);
- int (*fragment)(struct net *net, struct sock *sk, struct sk_buff *skb,
- int (*output)(struct net *, struct sock *, struct sk_buff *));
- int (*reroute)(struct sk_buff *skb, const struct nf_queue_entry *entry);
-#if IS_MODULE(CONFIG_IPV6)
- int (*br_fragment)(struct net *net, struct sock *sk,
- struct sk_buff *skb,
- struct nf_bridge_frag_data *data,
- int (*output)(struct net *, struct sock *sk,
- const struct nf_bridge_frag_data *data,
- struct sk_buff *));
-#endif
-};
-
#ifdef CONFIG_NETFILTER
#include <net/addrconf.h>
-extern const struct nf_ipv6_ops __rcu *nf_ipv6_ops;
-static inline const struct nf_ipv6_ops *nf_get_ipv6_ops(void)
-{
- return rcu_dereference(nf_ipv6_ops);
-}
-
static inline int nf_ipv6_chk_addr(struct net *net, const struct in6_addr *addr,
const struct net_device *dev, int strict)
{
-#if IS_MODULE(CONFIG_IPV6)
- const struct nf_ipv6_ops *v6_ops = nf_get_ipv6_ops();
-
- if (!v6_ops)
- return 1;
-
- return v6_ops->chk_addr(net, addr, dev, strict);
-#elif IS_BUILTIN(CONFIG_IPV6)
+#if IS_ENABLED(CONFIG_IPV6)
return ipv6_chk_addr(net, addr, dev, strict);
#else
return 1;
@@ -99,15 +53,7 @@ int __nf_ip6_route(struct net *net, struct dst_entry **dst,
static inline int nf_ip6_route(struct net *net, struct dst_entry **dst,
struct flowi *fl, bool strict)
{
-#if IS_MODULE(CONFIG_IPV6)
- const struct nf_ipv6_ops *v6ops = nf_get_ipv6_ops();
-
- if (v6ops)
- return v6ops->route(net, dst, fl, strict);
-
- return -EHOSTUNREACH;
-#endif
-#if IS_BUILTIN(CONFIG_IPV6)
+#if IS_ENABLED(CONFIG_IPV6)
return __nf_ip6_route(net, dst, fl, strict);
#else
return -EHOSTUNREACH;
@@ -129,14 +75,7 @@ static inline int nf_br_ip6_fragment(struct net *net, struct sock *sk,
const struct nf_bridge_frag_data *data,
struct sk_buff *))
{
-#if IS_MODULE(CONFIG_IPV6)
- const struct nf_ipv6_ops *v6_ops = nf_get_ipv6_ops();
-
- if (!v6_ops)
- return 1;
-
- return v6_ops->br_fragment(net, sk, skb, data, output);
-#elif IS_BUILTIN(CONFIG_IPV6)
+#if IS_ENABLED(CONFIG_IPV6)
return br_ip6_fragment(net, sk, skb, data, output);
#else
return 1;
@@ -147,14 +86,7 @@ int ip6_route_me_harder(struct net *net, struct sock *sk, struct sk_buff *skb);
static inline int nf_ip6_route_me_harder(struct net *net, struct sock *sk, struct sk_buff *skb)
{
-#if IS_MODULE(CONFIG_IPV6)
- const struct nf_ipv6_ops *v6_ops = nf_get_ipv6_ops();
-
- if (!v6_ops)
- return -EHOSTUNREACH;
-
- return v6_ops->route_me_harder(net, sk, skb);
-#elif IS_BUILTIN(CONFIG_IPV6)
+#if IS_ENABLED(CONFIG_IPV6)
return ip6_route_me_harder(net, sk, skb);
#else
return -EHOSTUNREACH;
@@ -165,32 +97,18 @@ static inline u32 nf_ipv6_cookie_init_sequence(const struct ipv6hdr *iph,
const struct tcphdr *th,
u16 *mssp)
{
-#if IS_ENABLED(CONFIG_SYN_COOKIES)
-#if IS_MODULE(CONFIG_IPV6)
- const struct nf_ipv6_ops *v6_ops = nf_get_ipv6_ops();
-
- if (v6_ops)
- return v6_ops->cookie_init_sequence(iph, th, mssp);
-#elif IS_BUILTIN(CONFIG_IPV6)
+#if IS_ENABLED(CONFIG_IPV6) && IS_ENABLED(CONFIG_SYN_COOKIES)
return __cookie_v6_init_sequence(iph, th, mssp);
#endif
-#endif
return 0;
}
static inline int nf_cookie_v6_check(const struct ipv6hdr *iph,
const struct tcphdr *th)
{
-#if IS_ENABLED(CONFIG_SYN_COOKIES)
-#if IS_MODULE(CONFIG_IPV6)
- const struct nf_ipv6_ops *v6_ops = nf_get_ipv6_ops();
-
- if (v6_ops)
- return v6_ops->cookie_v6_check(iph, th);
-#elif IS_BUILTIN(CONFIG_IPV6)
+#if IS_ENABLED(CONFIG_IPV6) && IS_ENABLED(CONFIG_SYN_COOKIES)
return __cookie_v6_check(iph, th);
#endif
-#endif
return 0;
}
@@ -198,14 +116,6 @@ __sum16 nf_ip6_checksum(struct sk_buff *skb, unsigned int hook,
unsigned int dataoff, u_int8_t protocol);
int nf_ip6_check_hbh_len(struct sk_buff *skb, u32 *plen);
-
-int ipv6_netfilter_init(void);
-void ipv6_netfilter_fini(void);
-
-#else /* CONFIG_NETFILTER */
-static inline int ipv6_netfilter_init(void) { return 0; }
-static inline void ipv6_netfilter_fini(void) { return; }
-static inline const struct nf_ipv6_ops *nf_get_ipv6_ops(void) { return NULL; }
#endif /* CONFIG_NETFILTER */
#endif /*__LINUX_IP6_NETFILTER_H*/