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Diffstat (limited to 'contrib/ipfilter/ip_sync.h')
| -rw-r--r-- | contrib/ipfilter/ip_sync.h | 117 |
1 files changed, 0 insertions, 117 deletions
diff --git a/contrib/ipfilter/ip_sync.h b/contrib/ipfilter/ip_sync.h deleted file mode 100644 index e319a95..0000000 --- a/contrib/ipfilter/ip_sync.h +++ /dev/null @@ -1,117 +0,0 @@ -/* $NetBSD$ */ - -/* - * Copyright (C) 1993-2001 by Darren Reed. - * - * See the IPFILTER.LICENCE file for details on licencing. - * - * @(#)ip_fil.h 1.35 6/5/96 - * Id: ip_sync.h,v 2.11.2.2 2004/11/04 19:29:07 darrenr Exp - */ - -#ifndef __IP_SYNC_H__ -#define __IP_SYNC_H__ - -typedef struct synchdr { - u_32_t sm_magic; /* magic */ - u_char sm_v; /* version: 4,6 */ - u_char sm_p; /* protocol */ - u_char sm_cmd; /* command */ - u_char sm_table; /* NAT, STATE, etc */ - u_int sm_num; /* table entry number */ - int sm_rev; /* forward/reverse */ - int sm_len; /* length of the data section */ - struct synclist *sm_sl; /* back pointer to parent */ -} synchdr_t; - - -#define SYNHDRMAGIC 0x0FF51DE5 - -/* - * Commands - * No delete required as expirey will take care of that! - */ -#define SMC_CREATE 0 /* pass ipstate_t after synchdr_t */ -#define SMC_UPDATE 1 -#define SMC_MAXCMD 1 - -/* - * Tables - */ -#define SMC_NAT 0 -#define SMC_STATE 1 -#define SMC_MAXTBL 1 - - -/* - * Only TCP requires "more" information than just a reference to the entry - * for which an update is being made. - */ -typedef struct synctcp_update { - u_long stu_age; - tcpdata_t stu_data[2]; - int stu_state[2]; -} synctcp_update_t; - - -typedef struct synclist { - struct synclist *sl_next; - struct synclist **sl_pnext; - int sl_idx; /* update index */ - struct synchdr sl_hdr; - union { - struct ipstate *slu_ips; - struct nat *slu_ipn; - void *slu_ptr; - } sl_un; -} synclist_t; - -#define sl_ptr sl_un.slu_ptr -#define sl_ips sl_un.slu_ips -#define sl_ipn sl_un.slu_ipn -#define sl_magic sl_hdr.sm_magic -#define sl_v sl_hdr.sm_v -#define sl_p sl_hdr.sm_p -#define sl_cmd sl_hdr.sm_cmd -#define sl_rev sl_hdr.sm_rev -#define sl_table sl_hdr.sm_table -#define sl_num sl_hdr.sm_num -#define sl_len sl_hdr.sm_len - -/* - * NOTE: SYNCLOG_SZ is defined *low*. It should be the next power of two - * up for whatever number of packets per second you expect to see. Be - * warned: this index's a table of large elements (upto 272 bytes in size - * each), and thus a size of 8192, for example, results in a 2MB table. - * The lesson here is not to use small machines for running fast firewalls - * (100BaseT) in sync, where you might have upwards of 10k pps. - */ -#define SYNCLOG_SZ 256 - -typedef struct synclogent { - struct synchdr sle_hdr; - union { - struct ipstate sleu_ips; - struct nat sleu_ipn; - } sle_un; -} synclogent_t; - -typedef struct syncupdent { /* 28 or 32 bytes */ - struct synchdr sup_hdr; - struct synctcp_update sup_tcp; -} syncupdent_t; - -extern synclogent_t synclog[SYNCLOG_SZ]; - - -extern int fr_sync_ioctl __P((caddr_t, ioctlcmd_t, int)); -extern synclist_t *ipfsync_new __P((int, fr_info_t *, void *)); -extern void ipfsync_del __P((synclist_t *)); -extern void ipfsync_update __P((int, fr_info_t *, synclist_t *)); -extern int ipfsync_init __P((void)); -extern int ipfsync_nat __P((synchdr_t *sp, void *data)); -extern int ipfsync_state __P((synchdr_t *sp, void *data)); -extern int ipfsync_read __P((struct uio *uio)); -extern int ipfsync_write __P((struct uio *uio)); - -#endif /* IP_SYNC */ |
