+
+/* initial values for each feature */
+#define DCCPF_INITIAL_SEQUENCE_WINDOW 100
+#define DCCPF_INITIAL_ACK_RATIO 2
+#define DCCPF_INITIAL_CCID DCCPC_CCID2
+#define DCCPF_INITIAL_SEND_ACK_VECTOR 1
+/* FIXME: for now we're default to 1 but it should really be 0 */
+#define DCCPF_INITIAL_SEND_NDP_COUNT 1
+
+/**
+ * struct dccp_minisock - Minimal DCCP connection representation
+ *
+ * Will be used to pass the state from dccp_request_sock to dccp_sock.
+ *
+ * @dccpms_sequence_window - Sequence Window Feature (section 7.5.2)
+ * @dccpms_ccid - Congestion Control Id (CCID) (section 10)
+ * @dccpms_send_ack_vector - Send Ack Vector Feature (section 11.5)
+ * @dccpms_send_ndp_count - Send NDP Count Feature (7.7.2)
+ * @dccpms_ack_ratio - Ack Ratio Feature (section 11.3)
+ * @dccpms_pending - List of features being negotiated
+ * @dccpms_conf -
+ */
+struct dccp_minisock {
+ __u64 dccpms_sequence_window;
+ __u8 dccpms_rx_ccid;
+ __u8 dccpms_tx_ccid;
+ __u8 dccpms_send_ack_vector;
+ __u8 dccpms_send_ndp_count;
+ __u8 dccpms_ack_ratio;
+ struct list_head dccpms_pending;
+ struct list_head dccpms_conf;
+};
+
+struct dccp_opt_conf {
+ __u8 *dccpoc_val;
+ __u8 dccpoc_len;
+};
+
+struct dccp_opt_pend {
+ struct list_head dccpop_node;
+ __u8 dccpop_type;
+ __u8 dccpop_feat;
+ __u8 *dccpop_val;
+ __u8 dccpop_len;
+ int dccpop_conf;
+ struct dccp_opt_conf *dccpop_sc;
+};
+
+extern void dccp_minisock_init(struct dccp_minisock *dmsk);
+