X-Git-Url: http://ftp.safe.ca/?a=blobdiff_plain;f=include%2Flinux%2Fdccp.h;h=6080449fbec942b7a1340c4a0c131f1957b33e81;hb=5b37717a23b8e40f6cf7ad85a26ddcf41c171e2c;hp=c676021603f55b8914c09fd6af67547172e0a411;hpb=b8599d20708fa3bde1e414689f3474560c2d990b;p=safe%2Fjmp%2Flinux-2.6

diff --git a/include/linux/dccp.h b/include/linux/dccp.h
index c676021..6080449 100644
--- a/include/linux/dccp.h
+++ b/include/linux/dccp.h
@@ -364,8 +364,6 @@ static inline unsigned int dccp_hdr_len(const struct sk_buff *skb)
 /* FIXME: for now we're default to 1 but it should really be 0 */
 #define DCCPF_INITIAL_SEND_NDP_COUNT		1
 
-#define DCCP_NDP_LIMIT 0xFFFFFF
-
 /**
   * struct dccp_minisock - Minimal DCCP connection representation
   *
@@ -407,13 +405,23 @@ struct dccp_opt_pend {
 
 extern void dccp_minisock_init(struct dccp_minisock *dmsk);
 
-extern int dccp_parse_options(struct sock *sk, struct sk_buff *skb);
-
+/**
+ * struct dccp_request_sock  -  represent DCCP-specific connection request
+ * @dreq_inet_rsk: structure inherited from
+ * @dreq_iss: initial sequence number sent on the Response (RFC 4340, 7.1)
+ * @dreq_isr: initial sequence number received on the Request
+ * @dreq_service: service code present on the Request (there is just one)
+ * The following two fields are analogous to the ones in dccp_sock:
+ * @dreq_timestamp_echo: last received timestamp to echo (13.1)
+ * @dreq_timestamp_echo: the time of receiving the last @dreq_timestamp_echo
+ */
 struct dccp_request_sock {
 	struct inet_request_sock dreq_inet_rsk;
 	__u64			 dreq_iss;
 	__u64			 dreq_isr;
 	__be32			 dreq_service;
+	__u32			 dreq_timestamp_echo;
+	__u32			 dreq_timestamp_time;
 };
 
 static inline struct dccp_request_sock *dccp_rsk(const struct request_sock *req)
@@ -423,8 +431,11 @@ static inline struct dccp_request_sock *dccp_rsk(const struct request_sock *req)
 
 extern struct inet_timewait_death_row dccp_death_row;
 
+extern int dccp_parse_options(struct sock *sk, struct dccp_request_sock *dreq,
+			      struct sk_buff *skb);
+
 struct dccp_options_received {
-	u32	dccpor_ndp; /* only 24 bits */
+	u64	dccpor_ndp:48;
 	u32	dccpor_timestamp;
 	u32	dccpor_timestamp_echo;
 	u32	dccpor_elapsed_time;
@@ -476,8 +487,8 @@ struct dccp_ackvec;
  * @dccps_gar - greatest valid ack number received on a non-Sync; initialized to %dccps_iss
  * @dccps_service - first (passive sock) or unique (active sock) service code
  * @dccps_service_list - second .. last service code on passive socket
- * @dccps_timestamp_time - time of latest TIMESTAMP option
  * @dccps_timestamp_echo - latest timestamp received on a TIMESTAMP option
+ * @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_pcslen - sender   partial checksum coverage (via sockopt)
@@ -512,15 +523,15 @@ struct dccp_sock {
 	__u64				dccps_gsr;
 	__u64				dccps_gar;
 	__be32				dccps_service;
+	__u32				dccps_mss_cache;
 	struct dccp_service_list	*dccps_service_list;
-	ktime_t				dccps_timestamp_time;
 	__u32				dccps_timestamp_echo;
+	__u32				dccps_timestamp_time;
 	__u16				dccps_l_ack_ratio;
 	__u16				dccps_r_ack_ratio;
 	__u16				dccps_pcslen;
 	__u16				dccps_pcrlen;
-	unsigned long			dccps_ndp_count;
-	__u32				dccps_mss_cache;
+	__u64				dccps_ndp_count:48;
 	unsigned long			dccps_rate_last;
 	struct dccp_minisock		dccps_minisock;
 	struct dccp_ackvec		*dccps_hc_rx_ackvec;