| tcp_var.h (124258) | tcp_var.h (125680) |
|---|---|
| 1/* 2 * Copyright (c) 1982, 1986, 1993, 1994, 1995 3 * The Regents of the University of California. All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright --- 17 unchanged lines hidden (view full) --- 26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 31 * SUCH DAMAGE. 32 * 33 * @(#)tcp_var.h 8.4 (Berkeley) 5/24/95 | 1/* 2 * Copyright (c) 1982, 1986, 1993, 1994, 1995 3 * The Regents of the University of California. All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright --- 17 unchanged lines hidden (view full) --- 26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 31 * SUCH DAMAGE. 32 * 33 * @(#)tcp_var.h 8.4 (Berkeley) 5/24/95 |
| 34 * $FreeBSD: head/sys/netinet/tcp_var.h 124258 2004-01-08 17:40:07Z andre $ | 34 * $FreeBSD: head/sys/netinet/tcp_var.h 125680 2004-02-11 04:26:04Z bms $ |
| 35 */ 36 37#ifndef _NETINET_TCP_VAR_H_ 38#define _NETINET_TCP_VAR_H_ 39 40#include <netinet/in_pcb.h> /* needed for in_conninfo, inp_gen_t */ 41#include <netinet/tcp.h> 42 --- 57 unchanged lines hidden (view full) --- 100#define TF_RCVD_CC 0x004000 /* a CC was received in SYN */ 101#define TF_SENDCCNEW 0x008000 /* send CCnew instead of CC in SYN */ 102#define TF_MORETOCOME 0x010000 /* More data to be appended to sock */ 103#define TF_LQ_OVERFLOW 0x020000 /* listen queue overflow */ 104#define TF_LASTIDLE 0x040000 /* connection was previously idle */ 105#define TF_RXWIN0SENT 0x080000 /* sent a receiver win 0 in response */ 106#define TF_FASTRECOVERY 0x100000 /* in NewReno Fast Recovery */ 107#define TF_WASFRECOVERY 0x200000 /* was in NewReno Fast Recovery */ | 35 */ 36 37#ifndef _NETINET_TCP_VAR_H_ 38#define _NETINET_TCP_VAR_H_ 39 40#include <netinet/in_pcb.h> /* needed for in_conninfo, inp_gen_t */ 41#include <netinet/tcp.h> 42 --- 57 unchanged lines hidden (view full) --- 100#define TF_RCVD_CC 0x004000 /* a CC was received in SYN */ 101#define TF_SENDCCNEW 0x008000 /* send CCnew instead of CC in SYN */ 102#define TF_MORETOCOME 0x010000 /* More data to be appended to sock */ 103#define TF_LQ_OVERFLOW 0x020000 /* listen queue overflow */ 104#define TF_LASTIDLE 0x040000 /* connection was previously idle */ 105#define TF_RXWIN0SENT 0x080000 /* sent a receiver win 0 in response */ 106#define TF_FASTRECOVERY 0x100000 /* in NewReno Fast Recovery */ 107#define TF_WASFRECOVERY 0x200000 /* was in NewReno Fast Recovery */ |
| 108#define TF_SIGNATURE 0x400000 /* require MD5 digests (RFC2385) */ |
|
| 108 int t_force; /* 1 if forcing out a byte */ 109 110 tcp_seq snd_una; /* send unacknowledged */ 111 tcp_seq snd_max; /* highest sequence number sent; 112 * used to recognize retransmits 113 */ 114 tcp_seq snd_nxt; /* send next */ 115 tcp_seq snd_up; /* send urgent pointer */ --- 68 unchanged lines hidden (view full) --- 184 u_long rcv_pps; /* received packets per second */ 185 u_long rcv_byps; /* received bytes per second */ 186}; 187 188#define IN_FASTRECOVERY(tp) (tp->t_flags & TF_FASTRECOVERY) 189#define ENTER_FASTRECOVERY(tp) tp->t_flags |= TF_FASTRECOVERY 190#define EXIT_FASTRECOVERY(tp) tp->t_flags &= ~TF_FASTRECOVERY 191 | 109 int t_force; /* 1 if forcing out a byte */ 110 111 tcp_seq snd_una; /* send unacknowledged */ 112 tcp_seq snd_max; /* highest sequence number sent; 113 * used to recognize retransmits 114 */ 115 tcp_seq snd_nxt; /* send next */ 116 tcp_seq snd_up; /* send urgent pointer */ --- 68 unchanged lines hidden (view full) --- 185 u_long rcv_pps; /* received packets per second */ 186 u_long rcv_byps; /* received bytes per second */ 187}; 188 189#define IN_FASTRECOVERY(tp) (tp->t_flags & TF_FASTRECOVERY) 190#define ENTER_FASTRECOVERY(tp) tp->t_flags |= TF_FASTRECOVERY 191#define EXIT_FASTRECOVERY(tp) tp->t_flags &= ~TF_FASTRECOVERY 192 |
| 193#ifdef TCP_SIGNATURE |
|
| 192/* | 194/* |
| 195 * Defines which are needed by the xform_tcp module and tcp_[in|out]put 196 * for SADB verification and lookup. 197 */ 198#define TCP_SIGLEN 16 /* length of computed digest in bytes */ 199#define TCP_KEYLEN_MIN 1 /* minimum length of TCP-MD5 key */ 200#define TCP_KEYLEN_MAX 80 /* maximum length of TCP-MD5 key */ 201/* 202 * Only a single SA per host may be specified at this time. An SPI is 203 * needed in order for the KEY_ALLOCSA() lookup to work. 204 */ 205#define TCP_SIG_SPI 0x1000 206#endif /* TCP_SIGNATURE */ 207 208/* |
|
| 193 * Structure to hold TCP options that are only used during segment 194 * processing (in tcp_input), but not held in the tcpcb. 195 * It's basically used to reduce the number of parameters 196 * to tcp_dooptions. 197 */ 198struct tcpopt { 199 u_long to_flags; /* which options are present */ 200#define TOF_TS 0x0001 /* timestamp */ 201#define TOF_CC 0x0002 /* CC and CCnew are exclusive */ 202#define TOF_CCNEW 0x0004 203#define TOF_CCECHO 0x0008 204#define TOF_MSS 0x0010 205#define TOF_SCALE 0x0020 | 209 * Structure to hold TCP options that are only used during segment 210 * processing (in tcp_input), but not held in the tcpcb. 211 * It's basically used to reduce the number of parameters 212 * to tcp_dooptions. 213 */ 214struct tcpopt { 215 u_long to_flags; /* which options are present */ 216#define TOF_TS 0x0001 /* timestamp */ 217#define TOF_CC 0x0002 /* CC and CCnew are exclusive */ 218#define TOF_CCNEW 0x0004 219#define TOF_CCECHO 0x0008 220#define TOF_MSS 0x0010 221#define TOF_SCALE 0x0020 |
| 222#define TOF_SIGNATURE 0x0040 /* signature option present */ 223#define TOF_SIGLEN 0x0080 /* sigature length valid (RFC2385) */ |
|
| 206 u_int32_t to_tsval; 207 u_int32_t to_tsecr; 208 tcp_cc to_cc; /* holds CC or CCnew */ 209 tcp_cc to_ccecho; 210 u_int16_t to_mss; 211 u_int8_t to_requested_s_scale; 212 u_int8_t to_pad; 213}; --- 15 unchanged lines hidden (view full) --- 229 u_int8_t sc_requested_s_scale:4, 230 sc_request_r_scale:4; 231 u_int8_t sc_flags; 232#define SCF_NOOPT 0x01 /* no TCP options */ 233#define SCF_WINSCALE 0x02 /* negotiated window scaling */ 234#define SCF_TIMESTAMP 0x04 /* negotiated timestamps */ 235#define SCF_CC 0x08 /* negotiated CC */ 236#define SCF_UNREACH 0x10 /* icmp unreachable received */ | 224 u_int32_t to_tsval; 225 u_int32_t to_tsecr; 226 tcp_cc to_cc; /* holds CC or CCnew */ 227 tcp_cc to_ccecho; 228 u_int16_t to_mss; 229 u_int8_t to_requested_s_scale; 230 u_int8_t to_pad; 231}; --- 15 unchanged lines hidden (view full) --- 247 u_int8_t sc_requested_s_scale:4, 248 sc_request_r_scale:4; 249 u_int8_t sc_flags; 250#define SCF_NOOPT 0x01 /* no TCP options */ 251#define SCF_WINSCALE 0x02 /* negotiated window scaling */ 252#define SCF_TIMESTAMP 0x04 /* negotiated timestamps */ 253#define SCF_CC 0x08 /* negotiated CC */ 254#define SCF_UNREACH 0x10 /* icmp unreachable received */ |
| 255#define SCF_SIGNATURE 0x20 /* send MD5 digests */ |
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| 237 TAILQ_ENTRY(syncache) sc_hash; 238 TAILQ_ENTRY(syncache) sc_timerq; 239}; 240 241struct syncache_head { 242 TAILQ_HEAD(, syncache) sch_bucket; 243 u_int sch_length; 244}; --- 299 unchanged lines hidden (view full) --- 544void tcp_hc_updatemtu(struct in_conninfo *, u_long); 545void tcp_hc_update(struct in_conninfo *, struct hc_metrics_lite *); 546void tcp_hc_updatetao(struct in_conninfo *, int, tcp_cc, u_short); 547/* update which tao field */ 548#define TCP_HC_TAO_CC 0x1 549#define TCP_HC_TAO_CCSENT 0x2 550#define TCP_HC_TAO_MSSOPT 0x3 551 | 256 TAILQ_ENTRY(syncache) sc_hash; 257 TAILQ_ENTRY(syncache) sc_timerq; 258}; 259 260struct syncache_head { 261 TAILQ_HEAD(, syncache) sch_bucket; 262 u_int sch_length; 263}; --- 299 unchanged lines hidden (view full) --- 563void tcp_hc_updatemtu(struct in_conninfo *, u_long); 564void tcp_hc_update(struct in_conninfo *, struct hc_metrics_lite *); 565void tcp_hc_updatetao(struct in_conninfo *, int, tcp_cc, u_short); 566/* update which tao field */ 567#define TCP_HC_TAO_CC 0x1 568#define TCP_HC_TAO_CCSENT 0x2 569#define TCP_HC_TAO_MSSOPT 0x3 570 |
| 571#ifdef TCP_SIGNATURE 572int tcpsignature_apply(void *fstate, void *data, unsigned int len); 573int tcpsignature_compute(struct mbuf *m, int off0, int len, int tcpoptlen, 574 u_char *buf, u_int direction); 575#endif /* TCP_SIGNATURE */ 576 |
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| 552extern struct pr_usrreqs tcp_usrreqs; 553extern u_long tcp_sendspace; 554extern u_long tcp_recvspace; 555tcp_seq tcp_new_isn(struct tcpcb *); 556 557#endif /* _KERNEL */ 558 559#endif /* _NETINET_TCP_VAR_H_ */ | 577extern struct pr_usrreqs tcp_usrreqs; 578extern u_long tcp_sendspace; 579extern u_long tcp_recvspace; 580tcp_seq tcp_new_isn(struct tcpcb *); 581 582#endif /* _KERNEL */ 583 584#endif /* _NETINET_TCP_VAR_H_ */ |