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@@ -36,8 +36,39 @@
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#ifndef _DCCP_CCID3_H_
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#define _DCCP_CCID3_H_
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-#include <linux/types.h>
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+#include <linux/config.h>
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#include <linux/list.h>
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+#include <linux/time.h>
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+#include <linux/types.h>
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+
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+#define TFRC_MIN_PACKET_SIZE 16
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+#define TFRC_STD_PACKET_SIZE 256
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+#define TFRC_MAX_PACKET_SIZE 65535
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+
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+/* Two seconds as per CCID3 spec */
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+#define TFRC_INITIAL_TIMEOUT (2 * USEC_PER_SEC)
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+
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+/* In usecs - half the scheduling granularity as per RFC3448 4.6 */
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+#define TFRC_OPSYS_HALF_TIME_GRAN (USEC_PER_SEC / (2 * HZ))
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+
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+#define TFRC_WIN_COUNT_PER_RTT 4
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+#define TFRC_WIN_COUNT_LIMIT 16
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+
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+/* In seconds */
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+#define TFRC_MAX_BACK_OFF_TIME 64
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+
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+#define TFRC_SMALLEST_P 40
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+
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+#define TFRC_RECV_IVAL_F_LENGTH 8
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+
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+/* Number of later packets received before one is considered lost */
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+#define TFRC_RECV_NUM_LATE_LOSS 3
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+
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+enum ccid3_options {
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+ TFRC_OPT_LOSS_EVENT_RATE = 192,
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+ TFRC_OPT_LOSS_INTERVALS = 193,
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+ TFRC_OPT_RECEIVE_RATE = 194,
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+};
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struct ccid3_options_received {
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u64 ccid3or_seqno:48,
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@@ -47,7 +78,7 @@ struct ccid3_options_received {
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u32 ccid3or_receive_rate;
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};
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-/** struct ccid3_hc_tx_sock - CCID3 sender half connection congestion control block
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+/** struct ccid3_hc_tx_sock - CCID3 sender half connection sock
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*
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* @ccid3hctx_state - Sender state
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* @ccid3hctx_x - Current sending rate
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@@ -57,7 +88,8 @@ struct ccid3_options_received {
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* @ccid3hctx_rtt - Estimate of current round trip time in usecs
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* @@ccid3hctx_p - Current loss event rate (0-1) scaled by 1000000
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* @ccid3hctx_last_win_count - Last window counter sent
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- * @ccid3hctx_t_last_win_count - Timestamp of earliest packet with last_win_count value sent
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+ * @ccid3hctx_t_last_win_count - Timestamp of earliest packet
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+ * with last_win_count value sent
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* @ccid3hctx_no_feedback_timer - Handle to no feedback timer
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* @ccid3hctx_idle - FIXME
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* @ccid3hctx_t_ld - Time last doubled during slow start
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@@ -112,9 +144,9 @@ struct ccid3_hc_rx_sock {
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};
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#define ccid3_hc_tx_field(s,field) (s->dccps_hc_tx_ccid_private == NULL ? 0 : \
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- ((struct ccid3_hc_tx_sock *)s->dccps_hc_tx_ccid_private)->ccid3hctx_##field)
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+ ((struct ccid3_hc_tx_sock *)s->dccps_hc_tx_ccid_private)->ccid3hctx_##field)
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#define ccid3_hc_rx_field(s,field) (s->dccps_hc_rx_ccid_private == NULL ? 0 : \
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- ((struct ccid3_hc_rx_sock *)s->dccps_hc_rx_ccid_private)->ccid3hcrx_##field)
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+ ((struct ccid3_hc_rx_sock *)s->dccps_hc_rx_ccid_private)->ccid3hcrx_##field)
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#endif /* _DCCP_CCID3_H_ */
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