+ struct xsocket xt_socket;
+ u_quad_t xt_alignment_hack;
+};
+
+#if !CONFIG_EMBEDDED
+
+struct xtcpcb64 {
+ u_int32_t xt_len;
+ struct xinpcb64 xt_inpcb;
+
+ u_int64_t t_segq;
+ int t_dupacks; /* consecutive dup acks recd */
+
+ int t_timer[TCPT_NTIMERS_EXT]; /* tcp timers */
+
+ int t_state; /* state of this connection */
+ u_int t_flags;
+
+ int t_force; /* 1 if forcing out a byte */
+
+ tcp_seq snd_una; /* send unacknowledged */
+ tcp_seq snd_max; /* highest sequence number sent;
+ * used to recognize retransmits
+ */
+ tcp_seq snd_nxt; /* send next */
+ tcp_seq snd_up; /* send urgent pointer */
+
+ tcp_seq snd_wl1; /* window update seg seq number */
+ tcp_seq snd_wl2; /* window update seg ack number */
+ tcp_seq iss; /* initial send sequence number */
+ tcp_seq irs; /* initial receive sequence number */
+
+ tcp_seq rcv_nxt; /* receive next */
+ tcp_seq rcv_adv; /* advertised window */
+ u_int32_t rcv_wnd; /* receive window */
+ tcp_seq rcv_up; /* receive urgent pointer */
+
+ u_int32_t snd_wnd; /* send window */
+ u_int32_t snd_cwnd; /* congestion-controlled window */
+ u_int32_t snd_ssthresh; /* snd_cwnd size threshold for
+ * for slow start exponential to
+ * linear switch
+ */
+ u_int t_maxopd; /* mss plus options */
+
+ u_int32_t t_rcvtime; /* time at which a packet was received */
+ u_int32_t t_starttime; /* time connection was established */
+ int t_rtttime; /* round trip time */
+ tcp_seq t_rtseq; /* sequence number being timed */
+
+ int t_rxtcur; /* current retransmit value (ticks) */
+ u_int t_maxseg; /* maximum segment size */
+ int t_srtt; /* smoothed round-trip time */
+ int t_rttvar; /* variance in round-trip time */
+
+ int t_rxtshift; /* log(2) of rexmt exp. backoff */
+ u_int t_rttmin; /* minimum rtt allowed */
+ u_int32_t t_rttupdated; /* number of times rtt sampled */
+ u_int32_t max_sndwnd; /* largest window peer has offered */
+
+ int t_softerror; /* possible error not yet reported */
+/* out-of-band data */
+ char t_oobflags; /* have some */
+ char t_iobc; /* input character */
+/* RFC 1323 variables */
+ u_char snd_scale; /* window scaling for send window */
+ u_char rcv_scale; /* window scaling for recv window */
+ u_char request_r_scale; /* pending window scaling */
+ u_char requested_s_scale;
+ u_int32_t ts_recent; /* timestamp echo data */
+
+ u_int32_t ts_recent_age; /* when last updated */
+ tcp_seq last_ack_sent;
+/* RFC 1644 variables */
+ tcp_cc cc_send; /* send connection count */
+ tcp_cc cc_recv; /* receive connection count */
+ tcp_seq snd_recover; /* for use in fast recovery */
+/* experimental */
+ u_int32_t snd_cwnd_prev; /* cwnd prior to retransmit */
+ u_int32_t snd_ssthresh_prev; /* ssthresh prior to retransmit */
+ u_int32_t t_badrxtwin; /* window for retransmit recovery */
+
+ u_quad_t xt_alignment_hack;
+};
+
+#endif /* !CONFIG_EMBEDDED */
+
+#ifdef PRIVATE
+
+struct xtcpcb_n {
+ u_int32_t xt_len;
+ u_int32_t xt_kind; /* XSO_TCPCB */
+
+ u_int64_t t_segq;
+ int t_dupacks; /* consecutive dup acks recd */
+
+ int t_timer[TCPT_NTIMERS_EXT]; /* tcp timers */
+
+ int t_state; /* state of this connection */
+ u_int t_flags;
+
+ int t_force; /* 1 if forcing out a byte */
+
+ tcp_seq snd_una; /* send unacknowledged */
+ tcp_seq snd_max; /* highest sequence number sent;
+ * used to recognize retransmits
+ */
+ tcp_seq snd_nxt; /* send next */
+ tcp_seq snd_up; /* send urgent pointer */
+
+ tcp_seq snd_wl1; /* window update seg seq number */
+ tcp_seq snd_wl2; /* window update seg ack number */
+ tcp_seq iss; /* initial send sequence number */
+ tcp_seq irs; /* initial receive sequence number */
+
+ tcp_seq rcv_nxt; /* receive next */
+ tcp_seq rcv_adv; /* advertised window */
+ u_int32_t rcv_wnd; /* receive window */
+ tcp_seq rcv_up; /* receive urgent pointer */
+
+ u_int32_t snd_wnd; /* send window */
+ u_int32_t snd_cwnd; /* congestion-controlled window */
+ u_int32_t snd_ssthresh; /* snd_cwnd size threshold for
+ * for slow start exponential to
+ * linear switch
+ */
+ u_int t_maxopd; /* mss plus options */
+
+ u_int32_t t_rcvtime; /* time at which a packet was received */
+ u_int32_t t_starttime; /* time connection was established */
+ int t_rtttime; /* round trip time */
+ tcp_seq t_rtseq; /* sequence number being timed */
+
+ int t_rxtcur; /* current retransmit value (ticks) */
+ u_int t_maxseg; /* maximum segment size */
+ int t_srtt; /* smoothed round-trip time */
+ int t_rttvar; /* variance in round-trip time */
+
+ int t_rxtshift; /* log(2) of rexmt exp. backoff */
+ u_int t_rttmin; /* minimum rtt allowed */
+ u_int32_t t_rttupdated; /* number of times rtt sampled */
+ u_int32_t max_sndwnd; /* largest window peer has offered */
+
+ int t_softerror; /* possible error not yet reported */
+ /* out-of-band data */
+ char t_oobflags; /* have some */
+ char t_iobc; /* input character */
+ /* RFC 1323 variables */
+ u_char snd_scale; /* window scaling for send window */
+ u_char rcv_scale; /* window scaling for recv window */
+ u_char request_r_scale; /* pending window scaling */
+ u_char requested_s_scale;
+ u_int32_t ts_recent; /* timestamp echo data */
+
+ u_int32_t ts_recent_age; /* when last updated */
+ tcp_seq last_ack_sent;
+ /* RFC 1644 variables */
+ tcp_cc cc_send; /* send connection count */
+ tcp_cc cc_recv; /* receive connection count */
+ tcp_seq snd_recover; /* for use in fast recovery */
+ /* experimental */
+ u_int32_t snd_cwnd_prev; /* cwnd prior to retransmit */
+ u_int32_t snd_ssthresh_prev; /* ssthresh prior to retransmit */
+ u_int32_t t_badrxtwin; /* window for retransmit recovery */
+};
+
+#endif /* PRIVATE */
+
+#pragma pack()
projects / apple / xnu.git / blobdiff