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Diffstat (limited to 'src/libfreeswan/radij.h')
-rw-r--r-- | src/libfreeswan/radij.h | 201 |
1 files changed, 0 insertions, 201 deletions
diff --git a/src/libfreeswan/radij.h b/src/libfreeswan/radij.h deleted file mode 100644 index 2396020f7..000000000 --- a/src/libfreeswan/radij.h +++ /dev/null @@ -1,201 +0,0 @@ -/* - * RCSID $Id: radij.h 3265 2007-10-08 19:52:55Z andreas $ - */ - -/* - * This file is defived from ${SRC}/sys/net/radix.h of BSD 4.4lite - * - * Variable and procedure names have been modified so that they don't - * conflict with the original BSD code, as a small number of modifications - * have been introduced and we may want to reuse this code in BSD. - * - * The `j' in `radij' is pronounced as a voiceless guttural (like a Greek - * chi or a German ch sound (as `doch', not as in `milch'), or even a - * spanish j as in Juan. It is not as far back in the throat like - * the corresponding Hebrew sound, nor is it a soft breath like the English h. - * It has nothing to do with the Dutch ij sound. - * - * Here is the appropriate copyright notice: - */ - -/* - * Copyright (c) 1988, 1989, 1993 - * The Regents of the University of California. All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * 3. All advertising materials mentioning features or use of this software - * must display the following acknowledgement: - * This product includes software developed by the University of - * California, Berkeley and its contributors. - * 4. Neither the name of the University nor the names of its contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND - * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS - * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY - * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF - * SUCH DAMAGE. - * - * @(#)radix.h 8.1 (Berkeley) 6/10/93 - */ - -#ifndef _RADIJ_H_ -#define _RADIJ_H_ - -/* -#define RJ_DEBUG -*/ - -#ifdef __KERNEL__ - -#ifndef __P -#ifdef __STDC__ -#define __P(x) x -#else -#define __P(x) () -#endif -#endif - -/* - * Radix search tree node layout. - */ - -struct radij_node -{ - struct radij_mask *rj_mklist; /* list of masks contained in subtree */ - struct radij_node *rj_p; /* parent */ - short rj_b; /* bit offset; -1-index(netmask) */ - char rj_bmask; /* node: mask for bit test*/ - u_char rj_flags; /* enumerated next */ -#define RJF_NORMAL 1 /* leaf contains normal route */ -#define RJF_ROOT 2 /* leaf is root leaf for tree */ -#define RJF_ACTIVE 4 /* This node is alive (for rtfree) */ - union { - struct { /* leaf only data: */ - caddr_t rj_Key; /* object of search */ - caddr_t rj_Mask; /* netmask, if present */ - struct radij_node *rj_Dupedkey; - } rj_leaf; - struct { /* node only data: */ - int rj_Off; /* where to start compare */ - struct radij_node *rj_L;/* progeny */ - struct radij_node *rj_R;/* progeny */ - }rj_node; - } rj_u; -#ifdef RJ_DEBUG - int rj_info; - struct radij_node *rj_twin; - struct radij_node *rj_ybro; -#endif -}; - -#define rj_dupedkey rj_u.rj_leaf.rj_Dupedkey -#define rj_key rj_u.rj_leaf.rj_Key -#define rj_mask rj_u.rj_leaf.rj_Mask -#define rj_off rj_u.rj_node.rj_Off -#define rj_l rj_u.rj_node.rj_L -#define rj_r rj_u.rj_node.rj_R - -/* - * Annotations to tree concerning potential routes applying to subtrees. - */ - -extern struct radij_mask { - short rm_b; /* bit offset; -1-index(netmask) */ - char rm_unused; /* cf. rj_bmask */ - u_char rm_flags; /* cf. rj_flags */ - struct radij_mask *rm_mklist; /* more masks to try */ - caddr_t rm_mask; /* the mask */ - int rm_refs; /* # of references to this struct */ -} *rj_mkfreelist; - -#define MKGet(m) {\ - if (rj_mkfreelist) {\ - m = rj_mkfreelist; \ - rj_mkfreelist = (m)->rm_mklist; \ - } else \ - R_Malloc(m, struct radij_mask *, sizeof (*(m))); }\ - -#define MKFree(m) { (m)->rm_mklist = rj_mkfreelist; rj_mkfreelist = (m);} - -struct radij_node_head { - struct radij_node *rnh_treetop; - int rnh_addrsize; /* permit, but not require fixed keys */ - int rnh_pktsize; /* permit, but not require fixed keys */ -#if 0 - struct radij_node *(*rnh_addaddr) /* add based on sockaddr */ - __P((void *v, void *mask, - struct radij_node_head *head, struct radij_node nodes[])); -#endif - int (*rnh_addaddr) /* add based on sockaddr */ - __P((void *v, void *mask, - struct radij_node_head *head, struct radij_node nodes[])); - struct radij_node *(*rnh_addpkt) /* add based on packet hdr */ - __P((void *v, void *mask, - struct radij_node_head *head, struct radij_node nodes[])); -#if 0 - struct radij_node *(*rnh_deladdr) /* remove based on sockaddr */ - __P((void *v, void *mask, struct radij_node_head *head)); -#endif - int (*rnh_deladdr) /* remove based on sockaddr */ - __P((void *v, void *mask, struct radij_node_head *head, struct radij_node **node)); - struct radij_node *(*rnh_delpkt) /* remove based on packet hdr */ - __P((void *v, void *mask, struct radij_node_head *head)); - struct radij_node *(*rnh_matchaddr) /* locate based on sockaddr */ - __P((void *v, struct radij_node_head *head)); - struct radij_node *(*rnh_matchpkt) /* locate based on packet hdr */ - __P((void *v, struct radij_node_head *head)); - int (*rnh_walktree) /* traverse tree */ - __P((struct radij_node_head *head, int (*f)(struct radij_node *rn, void *w), void *w)); - struct radij_node rnh_nodes[3]; /* empty tree for common case */ -}; - - -#define Bcmp(a, b, n) memcmp(((caddr_t)(b)), ((caddr_t)(a)), (unsigned)(n)) -#define Bcopy(a, b, n) memmove(((caddr_t)(b)), ((caddr_t)(a)), (unsigned)(n)) -#define Bzero(p, n) memset((caddr_t)(p), 0, (unsigned)(n)) -#define R_Malloc(p, t, n) ((p = (t) kmalloc((size_t)(n), GFP_ATOMIC)), Bzero((p),(n))) -#define Free(p) kfree((caddr_t)p); - -void rj_init __P((void)); -int rj_inithead __P((void **, int)); -int rj_refines __P((void *, void *)); -int rj_walktree __P((struct radij_node_head *head, int (*f)(struct radij_node *rn, void *w), void *w)); -struct radij_node - *rj_addmask __P((void *, int, int)) /* , rgb */ ; -int /* * */ rj_addroute __P((void *, void *, struct radij_node_head *, - struct radij_node [2])) /* , rgb */ ; -int /* * */ rj_delete __P((void *, void *, struct radij_node_head *, struct radij_node **)) /* , rgb */ ; -struct radij_node /* rgb */ - *rj_insert __P((void *, struct radij_node_head *, int *, - struct radij_node [2])), - *rj_match __P((void *, struct radij_node_head *)), - *rj_newpair __P((void *, int, struct radij_node[2])), - *rj_search __P((void *, struct radij_node *)), - *rj_search_m __P((void *, struct radij_node *, void *)); - -void rj_deltree(struct radij_node_head *); -void rj_delnodes(struct radij_node *); -void rj_free_mkfreelist(void); -int radijcleartree(void); -int radijcleanup(void); - -extern struct radij_node_head *mask_rjhead; -extern int maj_keylen; -#endif /* __KERNEL__ */ - -#endif /* _RADIJ_H_ */ |