| tcp_var.h (132307) | tcp_var.h (133874) |
|---|---|
| 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 --- 13 unchanged lines hidden (view full) --- 22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27 * SUCH DAMAGE. 28 * 29 * @(#)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 --- 13 unchanged lines hidden (view full) --- 22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27 * SUCH DAMAGE. 28 * 29 * @(#)tcp_var.h 8.4 (Berkeley) 5/24/95 |
| 30 * $FreeBSD: head/sys/netinet/tcp_var.h 132307 2004-07-17 19:44:13Z dwmalone $ | 30 * $FreeBSD: head/sys/netinet/tcp_var.h 133874 2004-08-16 18:32:07Z rwatson $ |
| 31 */ 32 33#ifndef _NETINET_TCP_VAR_H_ 34#define _NETINET_TCP_VAR_H_ 35 36#include <netinet/tcp.h> 37 38/* --- 199 unchanged lines hidden (view full) --- 238#define TOF_SIGNATURE 0x0040 /* signature option present */ 239#define TOF_SIGLEN 0x0080 /* signature length valid (RFC2385) */ 240#define TOF_SACK 0x0100 /* Peer sent SACK option */ 241 u_int32_t to_tsval; 242 u_int32_t to_tsecr; 243 tcp_cc to_cc; /* holds CC or CCnew */ 244 tcp_cc to_ccecho; 245 u_int16_t to_mss; | 31 */ 32 33#ifndef _NETINET_TCP_VAR_H_ 34#define _NETINET_TCP_VAR_H_ 35 36#include <netinet/tcp.h> 37 38/* --- 199 unchanged lines hidden (view full) --- 238#define TOF_SIGNATURE 0x0040 /* signature option present */ 239#define TOF_SIGLEN 0x0080 /* signature length valid (RFC2385) */ 240#define TOF_SACK 0x0100 /* Peer sent SACK option */ 241 u_int32_t to_tsval; 242 u_int32_t to_tsecr; 243 tcp_cc to_cc; /* holds CC or CCnew */ 244 tcp_cc to_ccecho; 245 u_int16_t to_mss; |
| 246 u_int8_t to_requested_s_scale; 247 u_int8_t to_pad; | 246 u_int8_t to_requested_s_scale; 247 u_int8_t to_pad; |
| 248}; 249 250#ifdef _NETINET_IN_PCB_H_ 251struct syncache { 252 inp_gen_t sc_inp_gencnt; /* pointer check */ | 248}; 249 250#ifdef _NETINET_IN_PCB_H_ 251struct syncache { 252 inp_gen_t sc_inp_gencnt; /* pointer check */ |
| 253 struct tcpcb *sc_tp; /* tcb for listening socket */ | 253 struct tcpcb *sc_tp; /* tcb for listening socket */ |
| 254 struct mbuf *sc_ipopts; /* source route */ | 254 struct mbuf *sc_ipopts; /* source route */ |
| 255 struct in_conninfo sc_inc; /* addresses */ | 255 struct in_conninfo sc_inc; /* addresses */ |
| 256 u_int32_t sc_tsrecent; 257 u_int32_t sc_flowlabel; /* IPv6 flowlabel */ 258 tcp_cc sc_cc_send; /* holds CC or CCnew */ 259 tcp_cc sc_cc_recv; | 256 u_int32_t sc_tsrecent; 257 u_int32_t sc_flowlabel; /* IPv6 flowlabel */ 258 tcp_cc sc_cc_send; /* holds CC or CCnew */ 259 tcp_cc sc_cc_recv; |
| 260 tcp_seq sc_irs; /* seq from peer */ 261 tcp_seq sc_iss; /* our ISS */ | 260 tcp_seq sc_irs; /* seq from peer */ 261 tcp_seq sc_iss; /* our ISS */ |
| 262 u_long sc_rxttime; /* retransmit time */ | 262 u_long sc_rxttime; /* retransmit time */ |
| 263 u_int16_t sc_rxtslot; /* retransmit counter */ | 263 u_int16_t sc_rxtslot; /* retransmit counter */ |
| 264 u_int16_t sc_peer_mss; /* peer's MSS */ 265 u_int16_t sc_wnd; /* advertised window */ | 264 u_int16_t sc_peer_mss; /* peer's MSS */ 265 u_int16_t sc_wnd; /* advertised window */ |
| 266 u_int8_t sc_requested_s_scale:4, | 266 u_int8_t sc_requested_s_scale:4, |
| 267 sc_request_r_scale:4; 268 u_int8_t sc_flags; 269#define SCF_NOOPT 0x01 /* no TCP options */ 270#define SCF_WINSCALE 0x02 /* negotiated window scaling */ 271#define SCF_TIMESTAMP 0x04 /* negotiated timestamps */ 272#define SCF_CC 0x08 /* negotiated CC */ 273#define SCF_UNREACH 0x10 /* icmp unreachable received */ 274#define SCF_SIGNATURE 0x20 /* send MD5 digests */ --- 27 unchanged lines hidden (view full) --- 302 tcp_seq rcv_nxt; 303 tcp_seq iss; 304 tcp_seq irs; 305 tcp_cc cc_recv; 306 tcp_cc cc_send; 307 u_short last_win; /* cached window value */ 308 u_short tw_so_options; /* copy of so_options */ 309 struct ucred *tw_cred; /* user credentials */ | 267 sc_request_r_scale:4; 268 u_int8_t sc_flags; 269#define SCF_NOOPT 0x01 /* no TCP options */ 270#define SCF_WINSCALE 0x02 /* negotiated window scaling */ 271#define SCF_TIMESTAMP 0x04 /* negotiated timestamps */ 272#define SCF_CC 0x08 /* negotiated CC */ 273#define SCF_UNREACH 0x10 /* icmp unreachable received */ 274#define SCF_SIGNATURE 0x20 /* send MD5 digests */ --- 27 unchanged lines hidden (view full) --- 302 tcp_seq rcv_nxt; 303 tcp_seq iss; 304 tcp_seq irs; 305 tcp_cc cc_recv; 306 tcp_cc cc_send; 307 u_short last_win; /* cached window value */ 308 u_short tw_so_options; /* copy of so_options */ 309 struct ucred *tw_cred; /* user credentials */ |
| 310 u_long t_recent; | 310 u_long t_recent; |
| 311 u_long t_starttime; 312 int tw_time; 313 LIST_ENTRY(tcptw) tw_2msl; 314}; | 311 u_long t_starttime; 312 int tw_time; 313 LIST_ENTRY(tcptw) tw_2msl; 314}; |
| 315 | 315 |
| 316/* 317 * The TAO cache entry which is stored in the tcp hostcache. 318 */ 319struct rmxp_tao { 320 tcp_cc tao_cc; /* latest CC in valid SYN */ 321 tcp_cc tao_ccsent; /* latest CC sent to peer */ 322 u_short tao_mssopt; /* peer's cached MSS */ 323#ifdef notyet --- 133 unchanged lines hidden (view full) --- 457 u_long tcps_sc_recvcookie; /* SYN cookie received */ 458 459 u_long tcps_hc_added; /* entry added to hostcache */ 460 u_long tcps_hc_bucketoverflow; /* hostcache per bucket limit hit */ 461 462 /* SACK related stats */ 463 u_long tcps_sack_recovery_episode; /* SACK recovery episodes */ 464 u_long tcps_sack_rexmits; /* SACK rexmit segments */ | 316/* 317 * The TAO cache entry which is stored in the tcp hostcache. 318 */ 319struct rmxp_tao { 320 tcp_cc tao_cc; /* latest CC in valid SYN */ 321 tcp_cc tao_ccsent; /* latest CC sent to peer */ 322 u_short tao_mssopt; /* peer's cached MSS */ 323#ifdef notyet --- 133 unchanged lines hidden (view full) --- 457 u_long tcps_sc_recvcookie; /* SYN cookie received */ 458 459 u_long tcps_hc_added; /* entry added to hostcache */ 460 u_long tcps_hc_bucketoverflow; /* hostcache per bucket limit hit */ 461 462 /* SACK related stats */ 463 u_long tcps_sack_recovery_episode; /* SACK recovery episodes */ 464 u_long tcps_sack_rexmits; /* SACK rexmit segments */ |
| 465 u_long tcps_sack_rexmit_bytes; /* SACK rexmit bytes */ | 465 u_long tcps_sack_rexmit_bytes; /* SACK rexmit bytes */ |
| 466 u_long tcps_sack_rcv_blocks; /* SACK blocks (options) received */ 467 u_long tcps_sack_send_blocks; /* SACK blocks (options) sent */ 468}; 469 470/* 471 * TCB structure exported to user-land via sysctl(3). 472 * Evil hack: declare only if in_pcb.h and sys/socketvar.h have been 473 * included. Not all of our clients do. --- 81 unchanged lines hidden (view full) --- 555void tcp_init(void); 556void tcp_fini(void *); 557void tcp_reass_init(void); 558void tcp_input(struct mbuf *, int); 559u_long tcp_maxmtu(struct in_conninfo *); 560u_long tcp_maxmtu6(struct in_conninfo *); 561void tcp_mss(struct tcpcb *, int); 562int tcp_mssopt(struct in_conninfo *); | 466 u_long tcps_sack_rcv_blocks; /* SACK blocks (options) received */ 467 u_long tcps_sack_send_blocks; /* SACK blocks (options) sent */ 468}; 469 470/* 471 * TCB structure exported to user-land via sysctl(3). 472 * Evil hack: declare only if in_pcb.h and sys/socketvar.h have been 473 * included. Not all of our clients do. --- 81 unchanged lines hidden (view full) --- 555void tcp_init(void); 556void tcp_fini(void *); 557void tcp_reass_init(void); 558void tcp_input(struct mbuf *, int); 559u_long tcp_maxmtu(struct in_conninfo *); 560u_long tcp_maxmtu6(struct in_conninfo *); 561void tcp_mss(struct tcpcb *, int); 562int tcp_mssopt(struct in_conninfo *); |
| 563struct inpcb * | 563struct inpcb * |
| 564 tcp_drop_syn_sent(struct inpcb *, int); 565struct inpcb * 566 tcp_mtudisc(struct inpcb *, int); 567struct tcpcb * 568 tcp_newtcpcb(struct inpcb *); 569int tcp_output(struct tcpcb *); 570struct inpcb * 571 tcp_quench(struct inpcb *, int); --- 46 unchanged lines hidden (view full) --- 618void tcp_clean_sackreport(struct tcpcb *tp); 619void tcp_sack_adjust(struct tcpcb *tp); 620struct sackhole *tcp_sack_output(struct tcpcb *tp); 621void tcp_sack_partialack(struct tcpcb *, struct tcphdr *); 622void tcp_free_sackholes(struct tcpcb *tp); 623int tcp_newreno(struct tcpcb *, struct tcphdr *); 624u_long tcp_seq_subtract(u_long, u_long ); 625#ifdef TCP_SACK_DEBUG | 564 tcp_drop_syn_sent(struct inpcb *, int); 565struct inpcb * 566 tcp_mtudisc(struct inpcb *, int); 567struct tcpcb * 568 tcp_newtcpcb(struct inpcb *); 569int tcp_output(struct tcpcb *); 570struct inpcb * 571 tcp_quench(struct inpcb *, int); --- 46 unchanged lines hidden (view full) --- 618void tcp_clean_sackreport(struct tcpcb *tp); 619void tcp_sack_adjust(struct tcpcb *tp); 620struct sackhole *tcp_sack_output(struct tcpcb *tp); 621void tcp_sack_partialack(struct tcpcb *, struct tcphdr *); 622void tcp_free_sackholes(struct tcpcb *tp); 623int tcp_newreno(struct tcpcb *, struct tcphdr *); 624u_long tcp_seq_subtract(u_long, u_long ); 625#ifdef TCP_SACK_DEBUG |
| 626void tcp_print_holes(struct tcpcb *tp); | 626void tcp_print_holes(struct tcpcb *tp); |
| 627#endif /* TCP_SACK_DEBUG */ 628 629#endif /* _KERNEL */ 630 631#endif /* _NETINET_TCP_VAR_H_ */ | 627#endif /* TCP_SACK_DEBUG */ 628 629#endif /* _KERNEL */ 630 631#endif /* _NETINET_TCP_VAR_H_ */ |