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Diffstat (limited to 'ggsn/ippool.h')
| -rw-r--r-- | ggsn/ippool.h | 105 |
1 files changed, 0 insertions, 105 deletions
diff --git a/ggsn/ippool.h b/ggsn/ippool.h deleted file mode 100644 index 02691a6..0000000 --- a/ggsn/ippool.h +++ /dev/null @@ -1,105 +0,0 @@ -/* - * IP address pool functions. - * Copyright (C) 2003, 2004 Mondru AB. - * - * The contents of this file may be used under the terms of the GNU - * General Public License Version 2, provided that the above copyright - * notice and this permission notice is included in all copies or - * substantial portions of the software. - * - */ - -#ifndef _IPPOOL_H -#define _IPPOOL_H - -/* Assuming that the address space is fragmented we need a hash table - in order to return the addresses. - - The list pool should provide for both IPv4 and IPv6 addresses. - - When initialising a new address pool it should be possible to pass - a string of CIDR format networks: "10.0.0.0/24 10.15.0.0/20" would - translate to 256 addresses starting at 10.0.0.0 and 1024 addresses - starting at 10.15.0.0. - - The above also applies to IPv6 which can be specified as described - in RFC2373. -*/ - -#define IPPOOL_NOIP6 - -#define IPPOOL_NONETWORK 0x01 -#define IPPOOL_NOBROADCAST 0x02 -#define IPPOOL_NOGATEWAY 0x04 - -#define IPPOOL_STATSIZE 0x10000 - -struct ippoolm_t; /* Forward declaration */ - -struct ippool_t { - unsigned int listsize; /* Total number of addresses */ - int allowdyn; /* Allow dynamic IP address allocation */ - int allowstat; /* Allow static IP address allocation */ - struct in_addr stataddr; /* Static address range network address */ - struct in_addr statmask; /* Static address range network mask */ - struct ippoolm_t *member; /* Listsize array of members */ - unsigned int hashsize; /* Size of hash table */ - int hashlog; /* Log2 size of hash table */ - int hashmask; /* Bitmask for calculating hash */ - struct ippoolm_t **hash; /* Hashsize array of pointer to member */ - struct ippoolm_t *firstdyn; /* Pointer to first free dynamic member */ - struct ippoolm_t *lastdyn; /* Pointer to last free dynamic member */ - struct ippoolm_t *firststat; /* Pointer to first free static member */ - struct ippoolm_t *laststat; /* Pointer to last free static member */ -}; - -struct ippoolm_t { -#ifndef IPPOOL_NOIP6 - struct in6_addr addr; /* IP address of this member */ -#else - struct in_addr addr; /* IP address of this member */ -#endif - int inuse; /* 0=available; 1= dynamic; 2 = static */ - struct ippoolm_t *nexthash; /* Linked list part of hash table */ - struct ippoolm_t *prev, *next; /* Linked list of free dynamic or static */ - void *peer; /* Pointer to peer protocol handler */ -}; - -/* The above structures require approximately 20+4 = 24 bytes for - each address (IPv4). For IPv6 the corresponding value is 32+4 = 36 - bytes for each address. */ - -/* Hash an IP address using code based on Bob Jenkins lookupa */ -extern unsigned long int ippool_hash4(struct in_addr *addr); - -/* Create new address pool */ -extern int ippool_new(struct ippool_t **this, char *dyn, char *stat, - int allowdyn, int allowstat, int flags); - -/* Delete existing address pool */ -extern int ippool_free(struct ippool_t *this); - -/* Find an IP address in the pool */ -extern int ippool_getip(struct ippool_t *this, struct ippoolm_t **member, - struct in_addr *addr); - -/* Get an IP address. If addr = 0.0.0.0 get a dynamic IP address. Otherwise - check to see if the given address is available */ -extern int ippool_newip(struct ippool_t *this, struct ippoolm_t **member, - struct in_addr *addr, int statip); - -/* Return a previously allocated IP address */ -extern int ippool_freeip(struct ippool_t *this, struct ippoolm_t *member); - -/* Get net and mask based on ascii string */ -extern int ippool_aton(struct in_addr *addr, struct in_addr *mask, - char *pool, int number); - - -#ifndef IPPOOL_NOIP6 -extern unsigned long int ippool_hash6(struct in6_addr *addr); -extern int ippool_getip6(struct ippool_t *this, struct in6_addr *addr); -extern int ippool_returnip6(struct ippool_t *this, struct in6_addr *addr); -#endif - -#endif /* !_IPPOOL_H */ |