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Diffstat (limited to 'include/linux/ipv6.h')
-rw-r--r--include/linux/ipv6.h76
1 files changed, 9 insertions, 67 deletions
diff --git a/include/linux/ipv6.h b/include/linux/ipv6.h
index 28ea38439313..5d89d1b808a6 100644
--- a/include/linux/ipv6.h
+++ b/include/linux/ipv6.h
@@ -21,13 +21,11 @@ struct ipv6_devconf {
__s32 force_mld_version;
__s32 mldv1_unsolicited_report_interval;
__s32 mldv2_unsolicited_report_interval;
-#ifdef CONFIG_IPV6_PRIVACY
__s32 use_tempaddr;
__s32 temp_valid_lft;
__s32 temp_prefered_lft;
__s32 regen_max_retry;
__s32 max_desync_factor;
-#endif
__s32 max_addresses;
__s32 accept_ra_defrtr;
__s32 accept_ra_pinfo;
@@ -115,16 +113,8 @@ static inline int inet6_iif(const struct sk_buff *skb)
return IP6CB(skb)->iif;
}
-struct inet6_request_sock {
- struct in6_addr loc_addr;
- struct in6_addr rmt_addr;
- struct sk_buff *pktopts;
- int iif;
-};
-
struct tcp6_request_sock {
struct tcp_request_sock tcp6rsk_tcp;
- struct inet6_request_sock tcp6rsk_inet6;
};
struct ipv6_mc_socklist;
@@ -141,8 +131,6 @@ struct ipv6_fl_socklist;
*/
struct ipv6_pinfo {
struct in6_addr saddr;
- struct in6_addr rcv_saddr;
- struct in6_addr daddr;
struct in6_pktinfo sticky_pktinfo;
const struct in6_addr *daddr_cache;
#ifdef CONFIG_IPV6_SUBTREES
@@ -256,48 +244,22 @@ struct tcp6_sock {
extern int inet6_sk_rebuild_header(struct sock *sk);
-struct inet6_timewait_sock {
- struct in6_addr tw_v6_daddr;
- struct in6_addr tw_v6_rcv_saddr;
-};
-
struct tcp6_timewait_sock {
struct tcp_timewait_sock tcp6tw_tcp;
- struct inet6_timewait_sock tcp6tw_inet6;
};
-static inline struct inet6_timewait_sock *inet6_twsk(const struct sock *sk)
-{
- return (struct inet6_timewait_sock *)(((u8 *)sk) +
- inet_twsk(sk)->tw_ipv6_offset);
-}
-
#if IS_ENABLED(CONFIG_IPV6)
static inline struct ipv6_pinfo * inet6_sk(const struct sock *__sk)
{
return inet_sk(__sk)->pinet6;
}
-static inline struct inet6_request_sock *
- inet6_rsk(const struct request_sock *rsk)
-{
- return (struct inet6_request_sock *)(((u8 *)rsk) +
- inet_rsk(rsk)->inet6_rsk_offset);
-}
-
-static inline u32 inet6_rsk_offset(struct request_sock *rsk)
-{
- return rsk->rsk_ops->obj_size - sizeof(struct inet6_request_sock);
-}
-
static inline struct request_sock *inet6_reqsk_alloc(struct request_sock_ops *ops)
{
struct request_sock *req = reqsk_alloc(ops);
- if (req != NULL) {
- inet_rsk(req)->inet6_rsk_offset = inet6_rsk_offset(req);
- inet6_rsk(req)->pktopts = NULL;
- }
+ if (req)
+ inet_rsk(req)->pktopts = NULL;
return req;
}
@@ -321,21 +283,11 @@ static inline void inet_sk_copy_descendant(struct sock *sk_to,
#define __ipv6_only_sock(sk) (inet6_sk(sk)->ipv6only)
#define ipv6_only_sock(sk) ((sk)->sk_family == PF_INET6 && __ipv6_only_sock(sk))
-static inline u16 inet6_tw_offset(const struct proto *prot)
+static inline const struct in6_addr *inet6_rcv_saddr(const struct sock *sk)
{
- return prot->twsk_prot->twsk_obj_size -
- sizeof(struct inet6_timewait_sock);
-}
-
-static inline struct in6_addr *__inet6_rcv_saddr(const struct sock *sk)
-{
- return likely(sk->sk_state != TCP_TIME_WAIT) ?
- &inet6_sk(sk)->rcv_saddr : &inet6_twsk(sk)->tw_v6_rcv_saddr;
-}
-
-static inline struct in6_addr *inet6_rcv_saddr(const struct sock *sk)
-{
- return sk->sk_family == AF_INET6 ? __inet6_rcv_saddr(sk) : NULL;
+ if (sk->sk_family == AF_INET6)
+ return &sk->sk_v6_rcv_saddr;
+ return NULL;
}
static inline int inet_v6_ipv6only(const struct sock *sk)
@@ -363,28 +315,18 @@ static inline struct raw6_sock *raw6_sk(const struct sock *sk)
return NULL;
}
-#define __inet6_rcv_saddr(__sk) NULL
#define inet6_rcv_saddr(__sk) NULL
#define tcp_twsk_ipv6only(__sk) 0
#define inet_v6_ipv6only(__sk) 0
#endif /* IS_ENABLED(CONFIG_IPV6) */
#define INET6_MATCH(__sk, __net, __saddr, __daddr, __ports, __dif) \
- ((inet_sk(__sk)->inet_portpair == (__ports)) && \
+ (((__sk)->sk_portpair == (__ports)) && \
((__sk)->sk_family == AF_INET6) && \
- ipv6_addr_equal(&inet6_sk(__sk)->daddr, (__saddr)) && \
- ipv6_addr_equal(&inet6_sk(__sk)->rcv_saddr, (__daddr)) && \
+ ipv6_addr_equal(&(__sk)->sk_v6_daddr, (__saddr)) && \
+ ipv6_addr_equal(&(__sk)->sk_v6_rcv_saddr, (__daddr)) && \
(!(__sk)->sk_bound_dev_if || \
((__sk)->sk_bound_dev_if == (__dif))) && \
net_eq(sock_net(__sk), (__net)))
-#define INET6_TW_MATCH(__sk, __net, __saddr, __daddr, __ports, __dif) \
- ((inet_twsk(__sk)->tw_portpair == (__ports)) && \
- ((__sk)->sk_family == AF_INET6) && \
- ipv6_addr_equal(&inet6_twsk(__sk)->tw_v6_daddr, (__saddr)) && \
- ipv6_addr_equal(&inet6_twsk(__sk)->tw_v6_rcv_saddr, (__daddr)) && \
- (!(__sk)->sk_bound_dev_if || \
- ((__sk)->sk_bound_dev_if == (__dif))) && \
- net_eq(sock_net(__sk), (__net)))
-
#endif /* _IPV6_H */