Differential D20834 Diff 59610 head/sys/netinet/tcp_stacks/rack_bbr_common.h

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head/sys/netinet/tcp_stacks/rack_bbr_common.h

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	#define TCP_MSS_ACCT_PERSIST 2			#define TCP_MSS_ACCT_PERSIST 2
	#define TCP_MSS_ACCT_ATIMER 60			#define TCP_MSS_ACCT_ATIMER 60
	#define TCP_MSS_ACCT_INPACE 61			#define TCP_MSS_ACCT_INPACE 61
	#define TCP_MSS_ACCT_LATE 62			#define TCP_MSS_ACCT_LATE 62
	#define TCP_MSS_SMALL_SIZE_OFF 63 /* Point where small sizes enter */			#define TCP_MSS_SMALL_SIZE_OFF 63 /* Point where small sizes enter */
	#define TCP_MSS_ACCT_SIZE 70			#define TCP_MSS_ACCT_SIZE 70
	#define TCP_MSS_SMALL_MAX_SIZE_DIV (TCP_MSS_ACCT_SIZE - TCP_MSS_SMALL_SIZE_OFF)			#define TCP_MSS_SMALL_MAX_SIZE_DIV (TCP_MSS_ACCT_SIZE - TCP_MSS_SMALL_SIZE_OFF)

				#define DUP_ACK_THRESHOLD 3

	/* Magic flags to tell whats cooking on the pacing wheel */
	#define PACE_PKT_OUTPUT 0x01 /* Output Packets being paced */
	#define PACE_TMR_RACK 0x02 /* RACK timer running */
	#define PACE_TMR_TLP 0x04 /* TLP timer running */
	#define PACE_TMR_RXT 0x08 /* Retransmit timer running */
	#define PACE_TMR_PERSIT 0x10 /* Persists timer running */
	#define PACE_TMR_KEEP 0x20 /* Keep alive timer running */
	#define PACE_TMR_DELACK 0x40 /* Delayed ack timer running */
	#define PACE_TMR_MASK (PACE_TMR_KEEP\|PACE_TMR_PERSIT\|PACE_TMR_RXT\|PACE_TMR_TLP\|PACE_TMR_RACK\|PACE_TMR_DELACK)

	/* Magic flags for tracing progress events */			/* Magic flags for tracing progress events */
	#define PROGRESS_DROP 1			#define PROGRESS_DROP 1
	#define PROGRESS_UPDATE 2			#define PROGRESS_UPDATE 2
	#define PROGRESS_CLEAR 3			#define PROGRESS_CLEAR 3
	#define PROGRESS_START 4			#define PROGRESS_START 4


	/* RTT sample methods */			/* RTT sample methods */
	#define USE_RTT_HIGH 0			#define USE_RTT_HIGH 0
	#define USE_RTT_LOW 1			#define USE_RTT_LOW 1
	#define USE_RTT_AVG 2			#define USE_RTT_AVG 2

				#define PACE_MAX_IP_BYTES 65536
				#define USECS_IN_SECOND 1000000
				#define MSEC_IN_SECOND 1000
				#define MS_IN_USEC 1000
				#define USEC_TO_MSEC(x) (x / MS_IN_USEC)
				#define TCP_TS_OVERHEAD 12 /* Overhead of having Timestamps on */

	#ifdef _KERNEL			#ifdef _KERNEL
	/* We have only 7 bits in rack so assert its true */			/* We have only 7 bits in rack so assert its true */
	CTASSERT((PACE_TMR_MASK & 0x80) == 0);			CTASSERT((PACE_TMR_MASK & 0x80) == 0);
				#ifdef KERN_TLS
				uint32_t ctf_get_opt_tls_size(struct socket *so, uint32_t rwnd);
				#endif
				int
				ctf_process_inbound_raw(struct tcpcb tp, struct socket so,
				struct mbuf *m, int has_pkt);
				int
				ctf_do_queued_segments(struct socket so, struct tcpcb tp, int have_pkt);
				uint32_t ctf_outstanding(struct tcpcb *tp);
				uint32_t ctf_flight_size(struct tcpcb *tp, uint32_t rc_sacked);
				int
				ctf_drop_checks(struct tcpopt to, struct mbuf m,
				struct tcphdr th, struct tcpcb tp, int32_t * tlenp, int32_t * thf,
				int32_t * drop_hdrlen, int32_t * ret_val);
				void
				ctf_do_dropafterack(struct mbuf m, struct tcpcb tp,
				struct tcphdr th, int32_t thflags, int32_t tlen, int32_t ret_val);
				void
				ctf_do_dropwithreset(struct mbuf m, struct tcpcb tp,
				struct tcphdr *th, int32_t rstreason, int32_t tlen);
				void
				ctf_do_drop(struct mbuf m, struct tcpcb tp);

				int
				ctf_process_rst(struct mbuf m, struct tcphdr th,
				struct socket so, struct tcpcb tp);

				void
				ctf_challenge_ack(struct mbuf m, struct tcphdr th,
				struct tcpcb tp, int32_t ret_val);

				int
				ctf_ts_check(struct mbuf m, struct tcphdr th,
				struct tcpcb tp, int32_t tlen, int32_t thflags, int32_t ret_val);

				void
				ctf_calc_rwin(struct socket so, struct tcpcb tp);

				void
				ctf_do_dropwithreset_conn(struct mbuf m, struct tcpcb tp, struct tcphdr *th,
				int32_t rstreason, int32_t tlen);

				uint32_t
				ctf_fixed_maxseg(struct tcpcb *tp);

				void
				ctf_log_sack_filter(struct tcpcb tp, int num_sack_blks, struct sackblk sack_blocks);

				uint32_t
				ctf_decay_count(uint32_t count, uint32_t decay_percentage);

	#endif			#endif
	#endif			#endif