| slcompress.h (22975) | slcompress.h (28415) |
|---|---|
| 1/* slcompress.h 8.1 93/06/10 */ 2/* 3 * Definitions for tcp compression routines. 4 * 5 * Copyright (c) 1989, 1993 6 * The Regents of the University of California. All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without --- 21 unchanged lines hidden (view full) --- 30 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 31 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 32 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 33 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 34 * SUCH DAMAGE. 35 * 36 * Van Jacobson (van@helios.ee.lbl.gov), Dec 31, 1989: 37 * - Initial distribution. | 1/* slcompress.h 8.1 93/06/10 */ 2/* 3 * Definitions for tcp compression routines. 4 * 5 * Copyright (c) 1989, 1993 6 * The Regents of the University of California. All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without --- 21 unchanged lines hidden (view full) --- 30 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 31 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 32 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 33 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 34 * SUCH DAMAGE. 35 * 36 * Van Jacobson (van@helios.ee.lbl.gov), Dec 31, 1989: 37 * - Initial distribution. |
| 38 * $Id$ | 38 * $Id: slcompress.h,v 1.11 1997/02/22 09:41:16 peter Exp $ |
| 39 */ 40 41#ifndef _NET_SLCOMPRESS_H_ 42#define _NET_SLCOMPRESS_H_ 43 44#define MAX_STATES 16 /* must be > 2 and < 256 */ 45#define MAX_HDR MLEN /* XXX 4bsd-ism: should really be 128 */ 46 --- 65 unchanged lines hidden (view full) --- 112/* 113 * "state" data for each active tcp conversation on the wire. This is 114 * basically a copy of the entire IP/TCP header from the last packet 115 * we saw from the conversation together with a small identifier 116 * the transmit & receive ends of the line use to locate saved header. 117 */ 118struct cstate { 119 struct cstate *cs_next; /* next most recently used cstate (xmit only) */ | 39 */ 40 41#ifndef _NET_SLCOMPRESS_H_ 42#define _NET_SLCOMPRESS_H_ 43 44#define MAX_STATES 16 /* must be > 2 and < 256 */ 45#define MAX_HDR MLEN /* XXX 4bsd-ism: should really be 128 */ 46 --- 65 unchanged lines hidden (view full) --- 112/* 113 * "state" data for each active tcp conversation on the wire. This is 114 * basically a copy of the entire IP/TCP header from the last packet 115 * we saw from the conversation together with a small identifier 116 * the transmit & receive ends of the line use to locate saved header. 117 */ 118struct cstate { 119 struct cstate *cs_next; /* next most recently used cstate (xmit only) */ |
| 120 u_short cs_hlen; /* size of hdr (receive only) */ | 120 u_int16_t cs_hlen; /* size of hdr (receive only) */ |
| 121 u_char cs_id; /* connection # associated with this state */ 122 u_char cs_filler; 123 union { 124 char csu_hdr[MAX_HDR]; 125 struct ip csu_ip; /* ip/tcp hdr from most recent packet */ 126 } slcs_u; 127}; 128#define cs_ip slcs_u.csu_ip 129#define cs_hdr slcs_u.csu_hdr 130 131/* 132 * all the state data for one serial line (we need one of these 133 * per line). 134 */ 135struct slcompress { 136 struct cstate *last_cs; /* most recently used tstate */ 137 u_char last_recv; /* last rcvd conn. id */ 138 u_char last_xmit; /* last sent conn. id */ | 121 u_char cs_id; /* connection # associated with this state */ 122 u_char cs_filler; 123 union { 124 char csu_hdr[MAX_HDR]; 125 struct ip csu_ip; /* ip/tcp hdr from most recent packet */ 126 } slcs_u; 127}; 128#define cs_ip slcs_u.csu_ip 129#define cs_hdr slcs_u.csu_hdr 130 131/* 132 * all the state data for one serial line (we need one of these 133 * per line). 134 */ 135struct slcompress { 136 struct cstate *last_cs; /* most recently used tstate */ 137 u_char last_recv; /* last rcvd conn. id */ 138 u_char last_xmit; /* last sent conn. id */ |
| 139 u_short flags; | 139 u_int16_t flags; |
| 140#ifndef SL_NO_STATS 141 int sls_packets; /* outbound packets */ 142 int sls_compressed; /* outbound compressed packets */ 143 int sls_searches; /* searches for connection state */ 144 int sls_misses; /* times couldn't find conn. state */ 145 int sls_uncompressedin; /* inbound uncompressed packets */ 146 int sls_compressedin; /* inbound compressed packets */ 147 int sls_errorin; /* inbound unknown type packets */ --- 16 unchanged lines hidden --- | 140#ifndef SL_NO_STATS 141 int sls_packets; /* outbound packets */ 142 int sls_compressed; /* outbound compressed packets */ 143 int sls_searches; /* searches for connection state */ 144 int sls_misses; /* times couldn't find conn. state */ 145 int sls_uncompressedin; /* inbound uncompressed packets */ 146 int sls_compressedin; /* inbound compressed packets */ 147 int sls_errorin; /* inbound unknown type packets */ --- 16 unchanged lines hidden --- |