Phonet: common socket glue

This provides the socket API for the Phonet protocols family.

Signed-off-by: Remi Denis-Courmont <remi.denis-courmont@nokia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

2 files changed, 26 insertions, 0 deletions

diff --git a/include/linux/phonet.h b/include/linux/phonet.h
index 6a764f8584a4..001c0e679099 100644
--- a/include/linux/phonet.h
+++ b/include/linux/phonet.h
@@ -32,6 +32,9 @@
 #define PNADDR_ANY              0
 #define PNPORT_RESOURCE_ROUTING 0
 
+/* ioctls */
+#define SIOCPNGETOBJECT         (SIOCPROTOPRIVATE + 0)
+
 /* Phonet protocol header */
 struct phonethdr {
         __u8    pn_rdev;
diff --git a/include/net/phonet/phonet.h b/include/net/phonet/phonet.h
index 8b777943d201..2ae5cbb59b60 100644
--- a/include/net/phonet/phonet.h
+++ b/include/net/phonet/phonet.h
@@ -29,6 +29,28 @@
  */
 #define MAX_PHONET_HEADER       8
 
+/*
+ * Every Phonet* socket has this structure first in its
+ * protocol-specific structure under name c.
+ */
+struct pn_sock {
+        struct sock     sk;
+        u16             sobject;
+        u8              resource;
+};
+
+static inline struct pn_sock *pn_sk(struct sock *sk)
+{
+        return (struct pn_sock *)sk;
+}
+
+extern const struct proto_ops phonet_dgram_ops;
+
+struct sock *pn_find_sock_by_sa(const struct sockaddr_pn *sa);
+void pn_sock_hash(struct sock *sk);
+void pn_sock_unhash(struct sock *sk);
+int pn_sock_get_port(struct sock *sk, unsigned short sport);
+
 static inline struct phonethdr *pn_hdr(struct sk_buff *skb)
 {
         return (struct phonethdr *)skb_network_header(skb);
@@ -64,6 +86,7 @@ void pn_skb_get_dst_sockaddr(struct sk_buff *skb, struct sockaddr_pn *sa)
 
 /* Protocols in Phonet protocol family. */
 struct phonet_protocol {
+        const struct proto_ops  *ops;
         struct proto            *prot;
         int                     sock_type;
 };