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[IPV6]: Introduce inet6_rsk()

Browse source 
And inet6_rsk_offset in inet_request_sock, for the same reasons as
inet_sock's pinfo6 member.

Signed-off-by: Arnaldo Carvalho de Melo <acme@mandriva.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Arnaldo Carvalho de Melo 2005-12-13 23:15:40 -08:00 • committed by David S. Miller
parent 8129765ac0
commit ca304b6104
5 changed files with 52 additions and 22 deletions
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39
include/linux/ipv6.h
View file

@ -199,18 +199,17 @@ static inline int inet6_iif(const struct sk_buff *skb)
return IP6CB(skb)->iif;
}
struct tcp6_request_sock {
struct tcp_request_sock req;
struct inet6_request_sock {
struct in6_addr loc_addr;
struct in6_addr rmt_addr;
struct sk_buff *pktopts;
int iif;
};
static inline struct tcp6_request_sock *tcp6_rsk(const struct request_sock *sk)
{
return (struct tcp6_request_sock *)sk;
}
struct tcp6_request_sock {
struct tcp_request_sock tcp6rsk_tcp;
struct inet6_request_sock tcp6rsk_inet6;
};
/**
* struct ipv6_pinfo - ipv6 private area
@ -304,6 +303,28 @@ 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);
return req;
}
static inline struct raw6_sock *raw6_sk(const struct sock *sk)
{
return (struct raw6_sock *)sk;
@ -361,6 +382,12 @@ static inline struct ipv6_pinfo * inet6_sk(const struct sock *__sk)
return NULL;
}
static inline struct inet6_request_sock *
inet6_rsk(const struct request_sock *rsk)
{
return NULL;
}
static inline struct raw6_sock *raw6_sk(const struct sock *sk)
{
return NULL;