l2tp: Add netlink control API for L2TP

[pandora-kernel.git] / net / l2tp / l2tp_core.h

diff --git a/net/l2tp/l2tp_core.h b/net/l2tp/l2tp_core.h
index d239598..2974d9a 100644 (file)
--- a/net/l2tp/l2tp_core.h
+++ b/net/l2tp/l2tp_core.h
@@ -33,26 +33,6 @@ enum {
        L2TP_MSG_DATA           = (1 << 3),     /* data packets */
 };
 
-enum l2tp_pwtype {
-       L2TP_PWTYPE_NONE = 0x0000,
-       L2TP_PWTYPE_ETH_VLAN = 0x0004,
-       L2TP_PWTYPE_ETH = 0x0005,
-       L2TP_PWTYPE_PPP = 0x0007,
-       L2TP_PWTYPE_PPP_AC = 0x0008,
-       L2TP_PWTYPE_IP = 0x000b,
-       __L2TP_PWTYPE_MAX
-};
-
-enum l2tp_l2spec_type {
-       L2TP_L2SPECTYPE_NONE,
-       L2TP_L2SPECTYPE_DEFAULT,
-};
-
-enum l2tp_encap_type {
-       L2TP_ENCAPTYPE_UDP,
-       L2TP_ENCAPTYPE_IP,
-};
-
 struct sk_buff;
 
 struct l2tp_stats {
@@ -87,6 +67,7 @@ struct l2tp_session_cfg {
                                                 * control of LNS. */
        int                     debug;          /* bitmask of debug message
                                                 * categories */
+       u16                     vlan_id;        /* VLAN pseudowire only */
        u16                     offset;         /* offset to payload */
        u16                     l2specific_len; /* Layer 2 specific length */
        u16                     l2specific_type; /* Layer 2 specific type */
@@ -98,6 +79,7 @@ struct l2tp_session_cfg {
                                                  * (in jiffies) */
        int                     mtu;
        int                     mru;
+       char                    *ifname;
 };
 
 struct l2tp_session {
@@ -124,6 +106,7 @@ struct l2tp_session {
        atomic_t                ref_count;
 
        char                    name[32];       /* for logging */
+       char                    ifname[IFNAMSIZ];
        unsigned                data_seq:2;     /* data sequencing level
                                                 * 0 => none, 1 => IP only,
                                                 * 2 => all
@@ -192,6 +175,11 @@ struct l2tp_tunnel {
        uint8_t                 priv[0];        /* private data */
 };
 
+struct l2tp_nl_cmd_ops {
+       int (*session_create)(struct net *net, u32 tunnel_id, u32 session_id, u32 peer_session_id, struct l2tp_session_cfg *cfg);
+       int (*session_delete)(struct l2tp_session *session);
+};
+
 static inline void *l2tp_tunnel_priv(struct l2tp_tunnel *tunnel)
 {
        return &tunnel->priv[0];
@@ -224,11 +212,14 @@ out:
 
 extern struct l2tp_session *l2tp_session_find(struct net *net, struct l2tp_tunnel *tunnel, u32 session_id);
 extern struct l2tp_session *l2tp_session_find_nth(struct l2tp_tunnel *tunnel, int nth);
+extern struct l2tp_session *l2tp_session_find_by_ifname(struct net *net, char *ifname);
 extern struct l2tp_tunnel *l2tp_tunnel_find(struct net *net, u32 tunnel_id);
 extern struct l2tp_tunnel *l2tp_tunnel_find_nth(struct net *net, int nth);
 
 extern int l2tp_tunnel_create(struct net *net, int fd, int version, u32 tunnel_id, u32 peer_tunnel_id, struct l2tp_tunnel_cfg *cfg, struct l2tp_tunnel **tunnelp);
+extern int l2tp_tunnel_delete(struct l2tp_tunnel *tunnel);
 extern struct l2tp_session *l2tp_session_create(int priv_size, struct l2tp_tunnel *tunnel, u32 session_id, u32 peer_session_id, struct l2tp_session_cfg *cfg);
+extern int l2tp_session_delete(struct l2tp_session *session);
 extern void l2tp_tunnel_free(struct l2tp_tunnel *tunnel);
 extern void l2tp_session_free(struct l2tp_session *session);
 extern void l2tp_recv_common(struct l2tp_session *session, struct sk_buff *skb, unsigned char *ptr, unsigned char *optr, u16 hdrflags, int length, int (*payload_hook)(struct sk_buff *skb));
@@ -241,6 +232,9 @@ extern void l2tp_tunnel_destruct(struct sock *sk);
 extern void l2tp_tunnel_closeall(struct l2tp_tunnel *tunnel);
 extern void l2tp_session_set_header_len(struct l2tp_session *session, int version);
 
+extern int l2tp_nl_register_ops(enum l2tp_pwtype pw_type, const struct l2tp_nl_cmd_ops *ops);
+extern void l2tp_nl_unregister_ops(enum l2tp_pwtype pw_type);
+
 /* Tunnel reference counts. Incremented per session that is added to
  * the tunnel.
  */