X-Git-Url: http://pilppa.org/gitweb/?a=blobdiff_plain;f=net%2Fdccp%2Fccids%2Fccid3.h;h=49ca32bd7e79d608592aaae0371545ff246ab013;hb=a56cdcb662032a732f7c4f35cc5a9acf37759d8c;hp=0cdc982cfe470f46a59210bf06d4a913164aed8e;hpb=bb293e6a24cc2031f74775d95925e003e7250232;p=linux-2.6-omap-h63xx.git

diff --git a/net/dccp/ccids/ccid3.h b/net/dccp/ccids/ccid3.h
index 0cdc982cfe4..49ca32bd7e7 100644
--- a/net/dccp/ccids/ccid3.h
+++ b/net/dccp/ccids/ccid3.h
@@ -1,7 +1,8 @@
 /*
  *  net/dccp/ccids/ccid3.h
  *
- *  Copyright (c) 2005-6 The University of Waikato, Hamilton, New Zealand.
+ *  Copyright (c) 2005-7 The University of Waikato, Hamilton, New Zealand.
+ *  Copyright (c) 2007   The University of Aberdeen, Scotland, UK
  *
  *  An implementation of the DCCP protocol
  *
@@ -40,6 +41,7 @@
 #include <linux/list.h>
 #include <linux/types.h>
 #include <linux/tfrc.h>
+#include "lib/tfrc.h"
 #include "../ccid.h"
 
 /* Two seconds as per RFC 3448 4.2 */
@@ -88,7 +90,6 @@ enum ccid3_hc_tx_states {
  * @ccid3hctx_t_last_win_count - Timestamp of earliest packet
  *				 with last_win_count value sent
  * @ccid3hctx_no_feedback_timer - Handle to no feedback timer
- * @ccid3hctx_idle - Flag indicating that sender is idling
  * @ccid3hctx_t_ld - Time last doubled during slow start
  * @ccid3hctx_t_nom - Nominal send time of next packet
  * @ccid3hctx_delta - Send timer delta (RFC 3448, 4.6) in usecs
@@ -107,13 +108,12 @@ struct ccid3_hc_tx_sock {
 	u16				ccid3hctx_s;
 	enum ccid3_hc_tx_states		ccid3hctx_state:8;
 	u8				ccid3hctx_last_win_count;
-	u8				ccid3hctx_idle;
 	ktime_t				ccid3hctx_t_last_win_count;
 	struct timer_list		ccid3hctx_no_feedback_timer;
 	ktime_t				ccid3hctx_t_ld;
 	ktime_t				ccid3hctx_t_nom;
 	u32				ccid3hctx_delta;
-	struct list_head		ccid3hctx_hist;
+	struct tfrc_tx_hist_entry	*ccid3hctx_hist;
 	struct ccid3_options_received	ccid3hctx_options_received;
 };
 
@@ -135,37 +135,30 @@ enum ccid3_hc_rx_states {
  *
  *  @ccid3hcrx_x_recv  -  Receiver estimate of send rate (RFC 3448 4.3)
  *  @ccid3hcrx_rtt  -  Receiver estimate of rtt (non-standard)
- *  @ccid3hcrx_p  -  current loss event rate (RFC 3448 5.4)
- *  @ccid3hcrx_seqno_nonloss  -  Last received non-loss sequence number
- *  @ccid3hcrx_ccval_nonloss  -  Last received non-loss Window CCVal
- *  @ccid3hcrx_ccval_last_counter  -  Tracks window counter (RFC 4342, 8.1)
- *  @ccid3hcrx_state  -  receiver state, one of %ccid3_hc_rx_states
+ *  @ccid3hcrx_p  -  Current loss event rate (RFC 3448 5.4)
+ *  @ccid3hcrx_last_counter  -  Tracks window counter (RFC 4342, 8.1)
+ *  @ccid3hcrx_state  -  Receiver state, one of %ccid3_hc_rx_states
  *  @ccid3hcrx_bytes_recv  -  Total sum of DCCP payload bytes
+ *  @ccid3hcrx_x_recv  -  Receiver estimate of send rate (RFC 3448, sec. 4.3)
+ *  @ccid3hcrx_rtt  -  Receiver estimate of RTT
  *  @ccid3hcrx_tstamp_last_feedback  -  Time at which last feedback was sent
  *  @ccid3hcrx_tstamp_last_ack  -  Time at which last feedback was sent
- *  @ccid3hcrx_hist  -  Packet history
- *  @ccid3hcrx_li_hist  -  Loss Interval History
+ *  @ccid3hcrx_hist  -  Packet history (loss detection + RTT sampling)
+ *  @ccid3hcrx_li_hist  -  Loss Interval database
  *  @ccid3hcrx_s  -  Received packet size in bytes
  *  @ccid3hcrx_pinv  -  Inverse of Loss Event Rate (RFC 4342, sec. 8.5)
- *  @ccid3hcrx_elapsed_time  -  Time since packet reception
  */
 struct ccid3_hc_rx_sock {
-	struct tfrc_rx_info		ccid3hcrx_tfrc;
-#define ccid3hcrx_x_recv		ccid3hcrx_tfrc.tfrcrx_x_recv
-#define ccid3hcrx_rtt			ccid3hcrx_tfrc.tfrcrx_rtt
-#define ccid3hcrx_p			ccid3hcrx_tfrc.tfrcrx_p
-	u64				ccid3hcrx_seqno_nonloss:48,
-					ccid3hcrx_ccval_nonloss:4,
-					ccid3hcrx_ccval_last_counter:4;
+	u8				ccid3hcrx_last_counter:4;
 	enum ccid3_hc_rx_states		ccid3hcrx_state:8;
 	u32				ccid3hcrx_bytes_recv;
+	u32				ccid3hcrx_x_recv;
+	u32				ccid3hcrx_rtt;
 	ktime_t				ccid3hcrx_tstamp_last_feedback;
-	ktime_t				ccid3hcrx_tstamp_last_ack;
-	struct list_head		ccid3hcrx_hist;
-	struct list_head		ccid3hcrx_li_hist;
+	struct tfrc_rx_hist		ccid3hcrx_hist;
+	struct tfrc_loss_hist		ccid3hcrx_li_hist;
 	u16				ccid3hcrx_s;
-	u32				ccid3hcrx_pinv;
-	u32				ccid3hcrx_elapsed_time;
+#define ccid3hcrx_pinv			ccid3hcrx_li_hist.i_mean
 };
 
 static inline struct ccid3_hc_rx_sock *ccid3_hc_rx_sk(const struct sock *sk)