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yaml
---
r: 6435
b: refs/heads/master
c: cfc3c52
h: refs/heads/master
i:
  6433: 8b943ef
  6431: 1ce1dc8
v: v3
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Arnaldo Carvalho de Melo authored and David S. Miller committed Aug 29, 2005
1 parent 37da0f0 commit 54b75b3
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Showing 3 changed files with 40 additions and 39 deletions.
2 changes: 1 addition & 1 deletion [refs]
Original file line number Diff line number Diff line change
@@ -1,2 +1,2 @@
---
refs/heads/master: 6b5e633ab1525b4def3f36b53903b00586e9966d
refs/heads/master: cfc3c525a3b434cabf92bf7054f2c6c93497fbea
35 changes: 2 additions & 33 deletions trunk/net/dccp/ccids/ccid3.c
Original file line number Diff line number Diff line change
Expand Up @@ -49,9 +49,9 @@ static inline u32 usecs_div(const u32 a, const u32 b)
return b > 20 ? tmp / (b / 10) : tmp;
}

#ifdef CCID3_DEBUG
extern int ccid3_debug;
static int ccid3_debug;

#ifdef CCID3_DEBUG
#define ccid3_pr_debug(format, a...) \
do { if (ccid3_debug) \
printk(KERN_DEBUG "%s: " format, __FUNCTION__, ##a); \
Expand All @@ -60,37 +60,6 @@ extern int ccid3_debug;
#define ccid3_pr_debug(format, a...)
#endif

#define TFRC_MIN_PACKET_SIZE 16
#define TFRC_STD_PACKET_SIZE 256
#define TFRC_MAX_PACKET_SIZE 65535

#define TFRC_INITIAL_TIMEOUT (2 * USEC_PER_SEC)
/* two seconds as per CCID3 spec 11 */

#define TFRC_OPSYS_HALF_TIME_GRAN (USEC_PER_SEC / (2 * HZ))
/* above is in usecs - half the scheduling granularity as per RFC3448 4.6 */

#define TFRC_WIN_COUNT_PER_RTT 4
#define TFRC_WIN_COUNT_LIMIT 16

#define TFRC_MAX_BACK_OFF_TIME 64
/* above is in seconds */

#define TFRC_SMALLEST_P 40

#define TFRC_RECV_IVAL_F_LENGTH 8 /* length(w[]) */

/* Number of later packets received before one is considered lost */
#define TFRC_RECV_NUM_LATE_LOSS 3

enum ccid3_options {
TFRC_OPT_LOSS_EVENT_RATE = 192,
TFRC_OPT_LOSS_INTERVALS = 193,
TFRC_OPT_RECEIVE_RATE = 194,
};

static int ccid3_debug;

static struct dccp_tx_hist *ccid3_tx_hist;
static struct dccp_rx_hist *ccid3_rx_hist;

Expand Down
42 changes: 37 additions & 5 deletions trunk/net/dccp/ccids/ccid3.h
Original file line number Diff line number Diff line change
Expand Up @@ -36,8 +36,39 @@
#ifndef _DCCP_CCID3_H_
#define _DCCP_CCID3_H_

#include <linux/types.h>
#include <linux/config.h>
#include <linux/list.h>
#include <linux/time.h>
#include <linux/types.h>

#define TFRC_MIN_PACKET_SIZE 16
#define TFRC_STD_PACKET_SIZE 256
#define TFRC_MAX_PACKET_SIZE 65535

/* Two seconds as per CCID3 spec */
#define TFRC_INITIAL_TIMEOUT (2 * USEC_PER_SEC)

/* In usecs - half the scheduling granularity as per RFC3448 4.6 */
#define TFRC_OPSYS_HALF_TIME_GRAN (USEC_PER_SEC / (2 * HZ))

#define TFRC_WIN_COUNT_PER_RTT 4
#define TFRC_WIN_COUNT_LIMIT 16

/* In seconds */
#define TFRC_MAX_BACK_OFF_TIME 64

#define TFRC_SMALLEST_P 40

#define TFRC_RECV_IVAL_F_LENGTH 8

/* Number of later packets received before one is considered lost */
#define TFRC_RECV_NUM_LATE_LOSS 3

enum ccid3_options {
TFRC_OPT_LOSS_EVENT_RATE = 192,
TFRC_OPT_LOSS_INTERVALS = 193,
TFRC_OPT_RECEIVE_RATE = 194,
};

struct ccid3_options_received {
u64 ccid3or_seqno:48,
Expand All @@ -47,7 +78,7 @@ struct ccid3_options_received {
u32 ccid3or_receive_rate;
};

/** struct ccid3_hc_tx_sock - CCID3 sender half connection congestion control block
/** struct ccid3_hc_tx_sock - CCID3 sender half connection sock
*
* @ccid3hctx_state - Sender state
* @ccid3hctx_x - Current sending rate
Expand All @@ -57,7 +88,8 @@ struct ccid3_options_received {
* @ccid3hctx_rtt - Estimate of current round trip time in usecs
* @@ccid3hctx_p - Current loss event rate (0-1) scaled by 1000000
* @ccid3hctx_last_win_count - Last window counter sent
* @ccid3hctx_t_last_win_count - Timestamp of earliest packet with last_win_count value sent
* @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 - FIXME
* @ccid3hctx_t_ld - Time last doubled during slow start
Expand Down Expand Up @@ -112,9 +144,9 @@ struct ccid3_hc_rx_sock {
};

#define ccid3_hc_tx_field(s,field) (s->dccps_hc_tx_ccid_private == NULL ? 0 : \
((struct ccid3_hc_tx_sock *)s->dccps_hc_tx_ccid_private)->ccid3hctx_##field)
((struct ccid3_hc_tx_sock *)s->dccps_hc_tx_ccid_private)->ccid3hctx_##field)

#define ccid3_hc_rx_field(s,field) (s->dccps_hc_rx_ccid_private == NULL ? 0 : \
((struct ccid3_hc_rx_sock *)s->dccps_hc_rx_ccid_private)->ccid3hcrx_##field)
((struct ccid3_hc_rx_sock *)s->dccps_hc_rx_ccid_private)->ccid3hcrx_##field)

#endif /* _DCCP_CCID3_H_ */

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