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Diffstat (limited to 'net/dccp/ccids/ccid3.h')
-rw-r--r--net/dccp/ccids/ccid3.h42
1 files changed, 37 insertions, 5 deletions
diff --git a/net/dccp/ccids/ccid3.h b/net/dccp/ccids/ccid3.h
index 5ef72cda7cd7..f8965700bbe9 100644
--- a/net/dccp/ccids/ccid3.h
+++ b/net/dccp/ccids/ccid3.h
@@ -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,
@@ -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
@@ -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
@@ -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_ */