[SCTP] Convert sctp_param2sockaddr() and sockaddr2sctp_addr() to

address family specific routines af->from_addr_parm() and
af->to_addr_param() respectively. 

3 files changed, 99 insertions, 86 deletions

diff --git a/include/net/sctp/sctp.h b/include/net/sctp/sctp.h
index a456d5a99d37..3f21f1985699 100644
--- a/include/net/sctp/sctp.h
+++ b/include/net/sctp/sctp.h
@@ -533,6 +533,19 @@ static inline int ipver2af(__u8 ipver)
 	};
 }
 
+/* Convert from an address parameter type to an address family.  */
+static inline int param_type2af(__u16 type)
+{
+	switch (type) {
+	case SCTP_PARAM_IPV4_ADDRESS:
+	        return  AF_INET;
+	case SCTP_PARAM_IPV6_ADDRESS:
+		return AF_INET6;
+	default:
+		return 0;
+	};
+}
+
 /* Perform some sanity checks. */
 static inline int sctp_sanity_check(void)
 {
diff --git a/include/net/sctp/sm.h b/include/net/sctp/sm.h
index 40cb876aaf96..3eb9c18df0c5 100644
--- a/include/net/sctp/sm.h
+++ b/include/net/sctp/sm.h
@@ -334,12 +334,6 @@ void sctp_send_stale_cookie_err(const struct sctp_endpoint *ep,
 __u32 sctp_generate_tag(const struct sctp_endpoint *);
 __u32 sctp_generate_tsn(const struct sctp_endpoint *);
 
-/* 4th level prototypes */
-void sctp_param2sockaddr(union sctp_addr *addr, union sctp_addr_param *,
-			 __u16 port, int iif);
-int sctp_addr2sockaddr(const union sctp_params, union sctp_addr *);
-int sockaddr2sctp_addr(const union sctp_addr *, union sctp_addr_param *);
-
 /* Extern declarations for major data structures.  */
 const sctp_sm_table_entry_t *sctp_chunk_event_lookup(sctp_cid_t, sctp_state_t);
 extern const sctp_sm_table_entry_t
diff --git a/include/net/sctp/structs.h b/include/net/sctp/structs.h
index d6199d3a2081..7ba32701be00 100644
--- a/include/net/sctp/structs.h
+++ b/include/net/sctp/structs.h
@@ -218,86 +218,6 @@ extern struct sctp_globals {
 #define sctp_local_addr_list		(sctp_globals.local_addr_list)
 #define sctp_local_addr_lock		(sctp_globals.local_addr_lock)
 
-/*
- * Pointers to address related SCTP functions.
- * (i.e. things that depend on the address family.)
- */
-struct sctp_af {
-	int		(*sctp_xmit)	(struct sk_buff *skb,
-					 struct sctp_transport *,
-					 int ipfragok);
-	int		(*setsockopt)	(struct sock *sk,
-					 int level,
-					 int optname,
-					 char *optval,
-					 int optlen);
-	int		(*getsockopt)	(struct sock *sk,
-					 int level,
-					 int optname,
-					 char *optval,
-					 int *optlen);
-	struct dst_entry *(*get_dst)	(struct sctp_association *asoc,
-					 union sctp_addr *daddr,
-					 union sctp_addr *saddr);
-	void		(*get_saddr)	(struct sctp_association *asoc,
-					 struct dst_entry *dst,
-					 union sctp_addr *daddr,
-					 union sctp_addr *saddr);
-	void		(*copy_addrlist) (struct list_head *,
-					  struct net_device *);
-	void		(*dst_saddr)	(union sctp_addr *saddr,
-					 struct dst_entry *dst,
-					 unsigned short port);
-	int		(*cmp_addr)	(const union sctp_addr *addr1,
-					 const union sctp_addr *addr2);
-	void		(*addr_copy)	(union sctp_addr *dst,
-					 union sctp_addr *src);
-	void		(*from_skb)	(union sctp_addr *,
-					 struct sk_buff *skb,
-					 int saddr);
-	void		(*from_sk)	(union sctp_addr *,
-					 struct sock *sk);
-	void		(*to_sk_saddr)	(union sctp_addr *,
-					 struct sock *sk);
-	void		(*to_sk_daddr)	(union sctp_addr *,
-					 struct sock *sk);
-	int		(*addr_valid)	(union sctp_addr *,
-					 struct sctp_opt *);
-	sctp_scope_t	(*scope) (union sctp_addr *);
-	void		(*inaddr_any)	(union sctp_addr *, unsigned short);
-	int		(*is_any)	(const union sctp_addr *);
-	int		(*available)	(union sctp_addr *,
-					 struct sctp_opt *);
-	int		(*skb_iif)	(const struct sk_buff *sk);
-	int		(*is_ce)	(const struct sk_buff *sk);
-	void		(*seq_dump_addr)(struct seq_file *seq,
-					 union sctp_addr *addr);
-	__u16		net_header_len;
-	int		sockaddr_len;
-	sa_family_t	sa_family;
-	struct list_head list;
-};
-
-struct sctp_af *sctp_get_af_specific(sa_family_t);
-int sctp_register_af(struct sctp_af *);
-
-/* Protocol family functions. */
-struct sctp_pf {
-	void (*event_msgname)(struct sctp_ulpevent *, char *, int *);
-	void (*skb_msgname)  (struct sk_buff *, char *, int *);
-	int  (*af_supported) (sa_family_t, struct sctp_opt *);
-	int  (*cmp_addr) (const union sctp_addr *,
-			  const union sctp_addr *,
-			  struct sctp_opt *);
-	int  (*bind_verify) (struct sctp_opt *, union sctp_addr *);
-	int  (*send_verify) (struct sctp_opt *, union sctp_addr *);
-	int  (*supported_addrs)(const struct sctp_opt *, __u16 *);
-	struct sock *(*create_accept_sk) (struct sock *sk,
-					  struct sctp_association *asoc);
-	void (*addr_v4map) (struct sctp_opt *, union sctp_addr *);
-	struct sctp_af *af;
-};
-
 /* SCTP Socket type: UDP or TCP style. */
 typedef enum {
 	SCTP_SOCKET_UDP = 0,
@@ -489,6 +409,92 @@ static inline __u16 sctp_ssn_next(struct sctp_stream *stream, __u16 id)
 	return stream->ssn[id]++;
 }
 
+/*
+ * Pointers to address related SCTP functions.
+ * (i.e. things that depend on the address family.)
+ */
+struct sctp_af {
+	int		(*sctp_xmit)	(struct sk_buff *skb,
+					 struct sctp_transport *,
+					 int ipfragok);
+	int		(*setsockopt)	(struct sock *sk,
+					 int level,
+					 int optname,
+					 char *optval,
+					 int optlen);
+	int		(*getsockopt)	(struct sock *sk,
+					 int level,
+					 int optname,
+					 char *optval,
+					 int *optlen);
+	struct dst_entry *(*get_dst)	(struct sctp_association *asoc,
+					 union sctp_addr *daddr,
+					 union sctp_addr *saddr);
+	void		(*get_saddr)	(struct sctp_association *asoc,
+					 struct dst_entry *dst,
+					 union sctp_addr *daddr,
+					 union sctp_addr *saddr);
+	void		(*copy_addrlist) (struct list_head *,
+					  struct net_device *);
+	void		(*dst_saddr)	(union sctp_addr *saddr,
+					 struct dst_entry *dst,
+					 unsigned short port);
+	int		(*cmp_addr)	(const union sctp_addr *addr1,
+					 const union sctp_addr *addr2);
+	void		(*addr_copy)	(union sctp_addr *dst,
+					 union sctp_addr *src);
+	void		(*from_skb)	(union sctp_addr *,
+					 struct sk_buff *skb,
+					 int saddr);
+	void		(*from_sk)	(union sctp_addr *,
+					 struct sock *sk);
+	void		(*to_sk_saddr)	(union sctp_addr *,
+					 struct sock *sk);
+	void		(*to_sk_daddr)	(union sctp_addr *,
+					 struct sock *sk);
+	void		(*from_addr_param) (union sctp_addr *,
+					    union sctp_addr_param *,
+					    __u16 port, int iif);	
+	int		(*to_addr_param) (const union sctp_addr *,
+					  union sctp_addr_param *); 
+	int		(*addr_valid)	(union sctp_addr *,
+					 struct sctp_opt *);
+	sctp_scope_t	(*scope) (union sctp_addr *);
+	void		(*inaddr_any)	(union sctp_addr *, unsigned short);
+	int		(*is_any)	(const union sctp_addr *);
+	int		(*available)	(union sctp_addr *,
+					 struct sctp_opt *);
+	int		(*skb_iif)	(const struct sk_buff *sk);
+	int		(*is_ce)	(const struct sk_buff *sk);
+	void		(*seq_dump_addr)(struct seq_file *seq,
+					 union sctp_addr *addr);
+	__u16		net_header_len;
+	int		sockaddr_len;
+	sa_family_t	sa_family;
+	struct list_head list;
+};
+
+struct sctp_af *sctp_get_af_specific(sa_family_t);
+int sctp_register_af(struct sctp_af *);
+
+/* Protocol family functions. */
+struct sctp_pf {
+	void (*event_msgname)(struct sctp_ulpevent *, char *, int *);
+	void (*skb_msgname)  (struct sk_buff *, char *, int *);
+	int  (*af_supported) (sa_family_t, struct sctp_opt *);
+	int  (*cmp_addr) (const union sctp_addr *,
+			  const union sctp_addr *,
+			  struct sctp_opt *);
+	int  (*bind_verify) (struct sctp_opt *, union sctp_addr *);
+	int  (*send_verify) (struct sctp_opt *, union sctp_addr *);
+	int  (*supported_addrs)(const struct sctp_opt *, __u16 *);
+	struct sock *(*create_accept_sk) (struct sock *sk,
+					  struct sctp_association *asoc);
+	void (*addr_v4map) (struct sctp_opt *, union sctp_addr *);
+	struct sctp_af *af;
+};
+
+
 /* Structure to track chunk fragments that have been acked, but peer
  * fragments of the same message have not.
  */