sh: convert /proc/cpu/aligmnent, /proc/cpu/kernel_alignment to seq_file
[safe/jmp/linux-2.6] / include / linux / dccp.h
index 5a5a899..7434a83 100644 (file)
@@ -168,6 +168,8 @@ enum {
        DCCPO_MIN_CCID_SPECIFIC = 128,
        DCCPO_MAX_CCID_SPECIFIC = 255,
 };
+/* maximum size of a single TLV-encoded DCCP option (sans type/len bytes) */
+#define DCCP_SINGLE_OPT_MAXLEN 253
 
 /* DCCP CCIDS */
 enum {
@@ -203,6 +205,9 @@ enum dccp_feature_numbers {
 #define DCCP_SOCKOPT_SEND_CSCOV                10
 #define DCCP_SOCKOPT_RECV_CSCOV                11
 #define DCCP_SOCKOPT_AVAILABLE_CCIDS   12
+#define DCCP_SOCKOPT_CCID              13
+#define DCCP_SOCKOPT_TX_CCID           14
+#define DCCP_SOCKOPT_RX_CCID           15
 #define DCCP_SOCKOPT_CCID_RX_INFO      128
 #define DCCP_SOCKOPT_CCID_TX_INFO      192
 
@@ -350,56 +355,6 @@ static inline unsigned int dccp_hdr_len(const struct sk_buff *skb)
        return __dccp_hdr_len(dccp_hdr(skb));
 }
 
-
-/* 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);
-
 /**
  * struct dccp_request_sock  -  represent DCCP-specific connection request
  * @dreq_inet_rsk: structure inherited from
@@ -488,12 +443,14 @@ struct dccp_ackvec;
  * @dccps_timestamp_time - time of receiving latest @dccps_timestamp_echo
  * @dccps_l_ack_ratio - feature-local Ack Ratio
  * @dccps_r_ack_ratio - feature-remote Ack Ratio
+ * @dccps_l_seq_win - local Sequence Window (influences ack number validity)
+ * @dccps_r_seq_win - remote Sequence Window (influences seq number validity)
  * @dccps_pcslen - sender   partial checksum coverage (via sockopt)
  * @dccps_pcrlen - receiver partial checksum coverage (via sockopt)
+ * @dccps_send_ndp_count - local Send NDP Count feature (7.7.2)
  * @dccps_ndp_count - number of Non Data Packets since last data packet
  * @dccps_mss_cache - current value of MSS (path MTU minus header sizes)
  * @dccps_rate_last - timestamp for rate-limiting DCCP-Sync (RFC 4340, 7.5.4)
- * @dccps_minisock - associated minisock (accessed via dccp_msk)
  * @dccps_featneg - tracks feature-negotiation state (mostly during handshake)
  * @dccps_hc_rx_ackvec - rx half connection ack vector
  * @dccps_hc_rx_ccid - CCID used for the receiver (or receiving half-connection)
@@ -527,11 +484,13 @@ struct dccp_sock {
        __u32                           dccps_timestamp_time;
        __u16                           dccps_l_ack_ratio;
        __u16                           dccps_r_ack_ratio;
+       __u64                           dccps_l_seq_win:48;
+       __u64                           dccps_r_seq_win:48;
        __u8                            dccps_pcslen:4;
        __u8                            dccps_pcrlen:4;
+       __u8                            dccps_send_ndp_count:1;
        __u64                           dccps_ndp_count:48;
        unsigned long                   dccps_rate_last;
-       struct dccp_minisock            dccps_minisock;
        struct list_head                dccps_featneg;
        struct dccp_ackvec              *dccps_hc_rx_ackvec;
        struct ccid                     *dccps_hc_rx_ccid;
@@ -549,11 +508,6 @@ static inline struct dccp_sock *dccp_sk(const struct sock *sk)
        return (struct dccp_sock *)sk;
 }
 
-static inline struct dccp_minisock *dccp_msk(const struct sock *sk)
-{
-       return (struct dccp_minisock *)&dccp_sk(sk)->dccps_minisock;
-}
-
 static inline const char *dccp_role(const struct sock *sk)
 {
        switch (dccp_sk(sk)->dccps_role) {