| /* Copyright (C) 2000-2002 Joakim Axelsson <gozem@linux.nu> |
| * Patrick Schaaf <bof@bof.de> |
| * Martin Josefsson <gandalf@wlug.westbo.se> |
| * Copyright (C) 2003-2011 Jozsef Kadlecsik <kadlec@blackhole.kfki.hu> |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License version 2 as |
| * published by the Free Software Foundation. |
| */ |
| |
| /* Kernel module implementing an IP set type: the bitmap:ip,mac type */ |
| |
| #include <linux/module.h> |
| #include <linux/ip.h> |
| #include <linux/etherdevice.h> |
| #include <linux/skbuff.h> |
| #include <linux/errno.h> |
| #include <linux/if_ether.h> |
| #include <linux/netlink.h> |
| #include <linux/jiffies.h> |
| #include <linux/timer.h> |
| #include <net/netlink.h> |
| |
| #include <linux/netfilter/ipset/pfxlen.h> |
| #include <linux/netfilter/ipset/ip_set.h> |
| #include <linux/netfilter/ipset/ip_set_timeout.h> |
| #include <linux/netfilter/ipset/ip_set_bitmap.h> |
| |
| MODULE_LICENSE("GPL"); |
| MODULE_AUTHOR("Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>"); |
| MODULE_DESCRIPTION("bitmap:ip,mac type of IP sets"); |
| MODULE_ALIAS("ip_set_bitmap:ip,mac"); |
| |
| enum { |
| MAC_EMPTY, /* element is not set */ |
| MAC_FILLED, /* element is set with MAC */ |
| MAC_UNSET, /* element is set, without MAC */ |
| }; |
| |
| /* Type structure */ |
| struct bitmap_ipmac { |
| void *members; /* the set members */ |
| u32 first_ip; /* host byte order, included in range */ |
| u32 last_ip; /* host byte order, included in range */ |
| u32 timeout; /* timeout value */ |
| struct timer_list gc; /* garbage collector */ |
| size_t dsize; /* size of element */ |
| }; |
| |
| /* ADT structure for generic function args */ |
| struct ipmac { |
| u32 id; /* id in array */ |
| unsigned char *ether; /* ethernet address */ |
| }; |
| |
| /* Member element without and with timeout */ |
| |
| struct ipmac_elem { |
| unsigned char ether[ETH_ALEN]; |
| unsigned char match; |
| } __attribute__ ((aligned)); |
| |
| struct ipmac_telem { |
| unsigned char ether[ETH_ALEN]; |
| unsigned char match; |
| unsigned long timeout; |
| } __attribute__ ((aligned)); |
| |
| static inline void * |
| bitmap_ipmac_elem(const struct bitmap_ipmac *map, u32 id) |
| { |
| return (void *)((char *)map->members + id * map->dsize); |
| } |
| |
| static inline bool |
| bitmap_timeout(const struct bitmap_ipmac *map, u32 id) |
| { |
| const struct ipmac_telem *elem = bitmap_ipmac_elem(map, id); |
| |
| return ip_set_timeout_test(elem->timeout); |
| } |
| |
| static inline bool |
| bitmap_expired(const struct bitmap_ipmac *map, u32 id) |
| { |
| const struct ipmac_telem *elem = bitmap_ipmac_elem(map, id); |
| |
| return ip_set_timeout_expired(elem->timeout); |
| } |
| |
| static inline int |
| bitmap_ipmac_exist(const struct ipmac_telem *elem) |
| { |
| return elem->match == MAC_UNSET || |
| (elem->match == MAC_FILLED && |
| !ip_set_timeout_expired(elem->timeout)); |
| } |
| |
| /* Base variant */ |
| |
| static int |
| bitmap_ipmac_test(struct ip_set *set, void *value, u32 timeout, u32 flags) |
| { |
| const struct bitmap_ipmac *map = set->data; |
| const struct ipmac *data = value; |
| const struct ipmac_elem *elem = bitmap_ipmac_elem(map, data->id); |
| |
| switch (elem->match) { |
| case MAC_UNSET: |
| /* Trigger kernel to fill out the ethernet address */ |
| return -EAGAIN; |
| case MAC_FILLED: |
| return data->ether == NULL || |
| ether_addr_equal(data->ether, elem->ether); |
| } |
| return 0; |
| } |
| |
| static int |
| bitmap_ipmac_add(struct ip_set *set, void *value, u32 timeout, u32 flags) |
| { |
| struct bitmap_ipmac *map = set->data; |
| const struct ipmac *data = value; |
| struct ipmac_elem *elem = bitmap_ipmac_elem(map, data->id); |
| |
| switch (elem->match) { |
| case MAC_UNSET: |
| if (!data->ether) |
| /* Already added without ethernet address */ |
| return -IPSET_ERR_EXIST; |
| /* Fill the MAC address */ |
| memcpy(elem->ether, data->ether, ETH_ALEN); |
| elem->match = MAC_FILLED; |
| break; |
| case MAC_FILLED: |
| return -IPSET_ERR_EXIST; |
| case MAC_EMPTY: |
| if (data->ether) { |
| memcpy(elem->ether, data->ether, ETH_ALEN); |
| elem->match = MAC_FILLED; |
| } else |
| elem->match = MAC_UNSET; |
| } |
| |
| return 0; |
| } |
| |
| static int |
| bitmap_ipmac_del(struct ip_set *set, void *value, u32 timeout, u32 flags) |
| { |
| struct bitmap_ipmac *map = set->data; |
| const struct ipmac *data = value; |
| struct ipmac_elem *elem = bitmap_ipmac_elem(map, data->id); |
| |
| if (elem->match == MAC_EMPTY) |
| return -IPSET_ERR_EXIST; |
| |
| elem->match = MAC_EMPTY; |
| |
| return 0; |
| } |
| |
| static int |
| bitmap_ipmac_list(const struct ip_set *set, |
| struct sk_buff *skb, struct netlink_callback *cb) |
| { |
| const struct bitmap_ipmac *map = set->data; |
| const struct ipmac_elem *elem; |
| struct nlattr *atd, *nested; |
| u32 id, first = cb->args[2]; |
| u32 last = map->last_ip - map->first_ip; |
| |
| atd = ipset_nest_start(skb, IPSET_ATTR_ADT); |
| if (!atd) |
| return -EMSGSIZE; |
| for (; cb->args[2] <= last; cb->args[2]++) { |
| id = cb->args[2]; |
| elem = bitmap_ipmac_elem(map, id); |
| if (elem->match == MAC_EMPTY) |
| continue; |
| nested = ipset_nest_start(skb, IPSET_ATTR_DATA); |
| if (!nested) { |
| if (id == first) { |
| nla_nest_cancel(skb, atd); |
| return -EMSGSIZE; |
| } else |
| goto nla_put_failure; |
| } |
| if (nla_put_ipaddr4(skb, IPSET_ATTR_IP, |
| htonl(map->first_ip + id)) || |
| (elem->match == MAC_FILLED && |
| nla_put(skb, IPSET_ATTR_ETHER, ETH_ALEN, |
| elem->ether))) |
| goto nla_put_failure; |
| ipset_nest_end(skb, nested); |
| } |
| ipset_nest_end(skb, atd); |
| /* Set listing finished */ |
| cb->args[2] = 0; |
| |
| return 0; |
| |
| nla_put_failure: |
| nla_nest_cancel(skb, nested); |
| ipset_nest_end(skb, atd); |
| if (unlikely(id == first)) { |
| cb->args[2] = 0; |
| return -EMSGSIZE; |
| } |
| return 0; |
| } |
| |
| /* Timeout variant */ |
| |
| static int |
| bitmap_ipmac_ttest(struct ip_set *set, void *value, u32 timeout, u32 flags) |
| { |
| const struct bitmap_ipmac *map = set->data; |
| const struct ipmac *data = value; |
| const struct ipmac_elem *elem = bitmap_ipmac_elem(map, data->id); |
| |
| switch (elem->match) { |
| case MAC_UNSET: |
| /* Trigger kernel to fill out the ethernet address */ |
| return -EAGAIN; |
| case MAC_FILLED: |
| return (data->ether == NULL || |
| ether_addr_equal(data->ether, elem->ether)) && |
| !bitmap_expired(map, data->id); |
| } |
| return 0; |
| } |
| |
| static int |
| bitmap_ipmac_tadd(struct ip_set *set, void *value, u32 timeout, u32 flags) |
| { |
| struct bitmap_ipmac *map = set->data; |
| const struct ipmac *data = value; |
| struct ipmac_telem *elem = bitmap_ipmac_elem(map, data->id); |
| bool flag_exist = flags & IPSET_FLAG_EXIST; |
| |
| switch (elem->match) { |
| case MAC_UNSET: |
| if (!(data->ether || flag_exist)) |
| /* Already added without ethernet address */ |
| return -IPSET_ERR_EXIST; |
| /* Fill the MAC address and activate the timer */ |
| memcpy(elem->ether, data->ether, ETH_ALEN); |
| elem->match = MAC_FILLED; |
| if (timeout == map->timeout) |
| /* Timeout was not specified, get stored one */ |
| timeout = elem->timeout; |
| elem->timeout = ip_set_timeout_set(timeout); |
| break; |
| case MAC_FILLED: |
| if (!(bitmap_expired(map, data->id) || flag_exist)) |
| return -IPSET_ERR_EXIST; |
| /* Fall through */ |
| case MAC_EMPTY: |
| if (data->ether) { |
| memcpy(elem->ether, data->ether, ETH_ALEN); |
| elem->match = MAC_FILLED; |
| } else |
| elem->match = MAC_UNSET; |
| /* If MAC is unset yet, we store plain timeout value |
| * because the timer is not activated yet |
| * and we can reuse it later when MAC is filled out, |
| * possibly by the kernel */ |
| elem->timeout = data->ether ? ip_set_timeout_set(timeout) |
| : timeout; |
| break; |
| } |
| |
| return 0; |
| } |
| |
| static int |
| bitmap_ipmac_tdel(struct ip_set *set, void *value, u32 timeout, u32 flags) |
| { |
| struct bitmap_ipmac *map = set->data; |
| const struct ipmac *data = value; |
| struct ipmac_telem *elem = bitmap_ipmac_elem(map, data->id); |
| |
| if (elem->match == MAC_EMPTY || bitmap_expired(map, data->id)) |
| return -IPSET_ERR_EXIST; |
| |
| elem->match = MAC_EMPTY; |
| |
| return 0; |
| } |
| |
| static int |
| bitmap_ipmac_tlist(const struct ip_set *set, |
| struct sk_buff *skb, struct netlink_callback *cb) |
| { |
| const struct bitmap_ipmac *map = set->data; |
| const struct ipmac_telem *elem; |
| struct nlattr *atd, *nested; |
| u32 id, first = cb->args[2]; |
| u32 timeout, last = map->last_ip - map->first_ip; |
| |
| atd = ipset_nest_start(skb, IPSET_ATTR_ADT); |
| if (!atd) |
| return -EMSGSIZE; |
| for (; cb->args[2] <= last; cb->args[2]++) { |
| id = cb->args[2]; |
| elem = bitmap_ipmac_elem(map, id); |
| if (!bitmap_ipmac_exist(elem)) |
| continue; |
| nested = ipset_nest_start(skb, IPSET_ATTR_DATA); |
| if (!nested) { |
| if (id == first) { |
| nla_nest_cancel(skb, atd); |
| return -EMSGSIZE; |
| } else |
| goto nla_put_failure; |
| } |
| if (nla_put_ipaddr4(skb, IPSET_ATTR_IP, |
| htonl(map->first_ip + id)) || |
| (elem->match == MAC_FILLED && |
| nla_put(skb, IPSET_ATTR_ETHER, ETH_ALEN, |
| elem->ether))) |
| goto nla_put_failure; |
| timeout = elem->match == MAC_UNSET ? elem->timeout |
| : ip_set_timeout_get(elem->timeout); |
| if (nla_put_net32(skb, IPSET_ATTR_TIMEOUT, htonl(timeout))) |
| goto nla_put_failure; |
| ipset_nest_end(skb, nested); |
| } |
| ipset_nest_end(skb, atd); |
| /* Set listing finished */ |
| cb->args[2] = 0; |
| |
| return 0; |
| |
| nla_put_failure: |
| nla_nest_cancel(skb, nested); |
| ipset_nest_end(skb, atd); |
| return -EMSGSIZE; |
| } |
| |
| static int |
| bitmap_ipmac_kadt(struct ip_set *set, const struct sk_buff *skb, |
| const struct xt_action_param *par, |
| enum ipset_adt adt, const struct ip_set_adt_opt *opt) |
| { |
| struct bitmap_ipmac *map = set->data; |
| ipset_adtfn adtfn = set->variant->adt[adt]; |
| struct ipmac data; |
| |
| /* MAC can be src only */ |
| if (!(opt->flags & IPSET_DIM_TWO_SRC)) |
| return 0; |
| |
| data.id = ntohl(ip4addr(skb, opt->flags & IPSET_DIM_ONE_SRC)); |
| if (data.id < map->first_ip || data.id > map->last_ip) |
| return -IPSET_ERR_BITMAP_RANGE; |
| |
| /* Backward compatibility: we don't check the second flag */ |
| if (skb_mac_header(skb) < skb->head || |
| (skb_mac_header(skb) + ETH_HLEN) > skb->data) |
| return -EINVAL; |
| |
| data.id -= map->first_ip; |
| data.ether = eth_hdr(skb)->h_source; |
| |
| return adtfn(set, &data, opt_timeout(opt, map), opt->cmdflags); |
| } |
| |
| static int |
| bitmap_ipmac_uadt(struct ip_set *set, struct nlattr *tb[], |
| enum ipset_adt adt, u32 *lineno, u32 flags, bool retried) |
| { |
| const struct bitmap_ipmac *map = set->data; |
| ipset_adtfn adtfn = set->variant->adt[adt]; |
| struct ipmac data; |
| u32 timeout = map->timeout; |
| int ret = 0; |
| |
| if (unlikely(!tb[IPSET_ATTR_IP] || |
| !ip_set_optattr_netorder(tb, IPSET_ATTR_TIMEOUT))) |
| return -IPSET_ERR_PROTOCOL; |
| |
| if (tb[IPSET_ATTR_LINENO]) |
| *lineno = nla_get_u32(tb[IPSET_ATTR_LINENO]); |
| |
| ret = ip_set_get_hostipaddr4(tb[IPSET_ATTR_IP], &data.id); |
| if (ret) |
| return ret; |
| |
| if (data.id < map->first_ip || data.id > map->last_ip) |
| return -IPSET_ERR_BITMAP_RANGE; |
| |
| if (tb[IPSET_ATTR_ETHER]) |
| data.ether = nla_data(tb[IPSET_ATTR_ETHER]); |
| else |
| data.ether = NULL; |
| |
| if (tb[IPSET_ATTR_TIMEOUT]) { |
| if (!with_timeout(map->timeout)) |
| return -IPSET_ERR_TIMEOUT; |
| timeout = ip_set_timeout_uget(tb[IPSET_ATTR_TIMEOUT]); |
| } |
| |
| data.id -= map->first_ip; |
| |
| ret = adtfn(set, &data, timeout, flags); |
| |
| return ip_set_eexist(ret, flags) ? 0 : ret; |
| } |
| |
| static void |
| bitmap_ipmac_destroy(struct ip_set *set) |
| { |
| struct bitmap_ipmac *map = set->data; |
| |
| if (with_timeout(map->timeout)) |
| del_timer_sync(&map->gc); |
| |
| ip_set_free(map->members); |
| kfree(map); |
| |
| set->data = NULL; |
| } |
| |
| static void |
| bitmap_ipmac_flush(struct ip_set *set) |
| { |
| struct bitmap_ipmac *map = set->data; |
| |
| memset(map->members, 0, |
| (map->last_ip - map->first_ip + 1) * map->dsize); |
| } |
| |
| static int |
| bitmap_ipmac_head(struct ip_set *set, struct sk_buff *skb) |
| { |
| const struct bitmap_ipmac *map = set->data; |
| struct nlattr *nested; |
| |
| nested = ipset_nest_start(skb, IPSET_ATTR_DATA); |
| if (!nested) |
| goto nla_put_failure; |
| if (nla_put_ipaddr4(skb, IPSET_ATTR_IP, htonl(map->first_ip)) || |
| nla_put_ipaddr4(skb, IPSET_ATTR_IP_TO, htonl(map->last_ip)) || |
| nla_put_net32(skb, IPSET_ATTR_REFERENCES, htonl(set->ref - 1)) || |
| nla_put_net32(skb, IPSET_ATTR_MEMSIZE, |
| htonl(sizeof(*map) + |
| ((map->last_ip - map->first_ip + 1) * |
| map->dsize))) || |
| (with_timeout(map->timeout) && |
| nla_put_net32(skb, IPSET_ATTR_TIMEOUT, htonl(map->timeout)))) |
| goto nla_put_failure; |
| ipset_nest_end(skb, nested); |
| |
| return 0; |
| nla_put_failure: |
| return -EMSGSIZE; |
| } |
| |
| static bool |
| bitmap_ipmac_same_set(const struct ip_set *a, const struct ip_set *b) |
| { |
| const struct bitmap_ipmac *x = a->data; |
| const struct bitmap_ipmac *y = b->data; |
| |
| return x->first_ip == y->first_ip && |
| x->last_ip == y->last_ip && |
| x->timeout == y->timeout; |
| } |
| |
| static const struct ip_set_type_variant bitmap_ipmac = { |
| .kadt = bitmap_ipmac_kadt, |
| .uadt = bitmap_ipmac_uadt, |
| .adt = { |
| [IPSET_ADD] = bitmap_ipmac_add, |
| [IPSET_DEL] = bitmap_ipmac_del, |
| [IPSET_TEST] = bitmap_ipmac_test, |
| }, |
| .destroy = bitmap_ipmac_destroy, |
| .flush = bitmap_ipmac_flush, |
| .head = bitmap_ipmac_head, |
| .list = bitmap_ipmac_list, |
| .same_set = bitmap_ipmac_same_set, |
| }; |
| |
| static const struct ip_set_type_variant bitmap_tipmac = { |
| .kadt = bitmap_ipmac_kadt, |
| .uadt = bitmap_ipmac_uadt, |
| .adt = { |
| [IPSET_ADD] = bitmap_ipmac_tadd, |
| [IPSET_DEL] = bitmap_ipmac_tdel, |
| [IPSET_TEST] = bitmap_ipmac_ttest, |
| }, |
| .destroy = bitmap_ipmac_destroy, |
| .flush = bitmap_ipmac_flush, |
| .head = bitmap_ipmac_head, |
| .list = bitmap_ipmac_tlist, |
| .same_set = bitmap_ipmac_same_set, |
| }; |
| |
| static void |
| bitmap_ipmac_gc(unsigned long ul_set) |
| { |
| struct ip_set *set = (struct ip_set *) ul_set; |
| struct bitmap_ipmac *map = set->data; |
| struct ipmac_telem *elem; |
| u32 id, last = map->last_ip - map->first_ip; |
| |
| /* We run parallel with other readers (test element) |
| * but adding/deleting new entries is locked out */ |
| read_lock_bh(&set->lock); |
| for (id = 0; id <= last; id++) { |
| elem = bitmap_ipmac_elem(map, id); |
| if (elem->match == MAC_FILLED && |
| ip_set_timeout_expired(elem->timeout)) |
| elem->match = MAC_EMPTY; |
| } |
| read_unlock_bh(&set->lock); |
| |
| map->gc.expires = jiffies + IPSET_GC_PERIOD(map->timeout) * HZ; |
| add_timer(&map->gc); |
| } |
| |
| static void |
| bitmap_ipmac_gc_init(struct ip_set *set) |
| { |
| struct bitmap_ipmac *map = set->data; |
| |
| init_timer(&map->gc); |
| map->gc.data = (unsigned long) set; |
| map->gc.function = bitmap_ipmac_gc; |
| map->gc.expires = jiffies + IPSET_GC_PERIOD(map->timeout) * HZ; |
| add_timer(&map->gc); |
| } |
| |
| /* Create bitmap:ip,mac type of sets */ |
| |
| static bool |
| init_map_ipmac(struct ip_set *set, struct bitmap_ipmac *map, |
| u32 first_ip, u32 last_ip) |
| { |
| map->members = ip_set_alloc((last_ip - first_ip + 1) * map->dsize); |
| if (!map->members) |
| return false; |
| map->first_ip = first_ip; |
| map->last_ip = last_ip; |
| map->timeout = IPSET_NO_TIMEOUT; |
| |
| set->data = map; |
| set->family = NFPROTO_IPV4; |
| |
| return true; |
| } |
| |
| static int |
| bitmap_ipmac_create(struct ip_set *set, struct nlattr *tb[], |
| u32 flags) |
| { |
| u32 first_ip, last_ip; |
| u64 elements; |
| struct bitmap_ipmac *map; |
| int ret; |
| |
| if (unlikely(!tb[IPSET_ATTR_IP] || |
| !ip_set_optattr_netorder(tb, IPSET_ATTR_TIMEOUT))) |
| return -IPSET_ERR_PROTOCOL; |
| |
| ret = ip_set_get_hostipaddr4(tb[IPSET_ATTR_IP], &first_ip); |
| if (ret) |
| return ret; |
| |
| if (tb[IPSET_ATTR_IP_TO]) { |
| ret = ip_set_get_hostipaddr4(tb[IPSET_ATTR_IP_TO], &last_ip); |
| if (ret) |
| return ret; |
| if (first_ip > last_ip) { |
| u32 tmp = first_ip; |
| |
| first_ip = last_ip; |
| last_ip = tmp; |
| } |
| } else if (tb[IPSET_ATTR_CIDR]) { |
| u8 cidr = nla_get_u8(tb[IPSET_ATTR_CIDR]); |
| |
| if (cidr >= 32) |
| return -IPSET_ERR_INVALID_CIDR; |
| ip_set_mask_from_to(first_ip, last_ip, cidr); |
| } else |
| return -IPSET_ERR_PROTOCOL; |
| |
| elements = (u64)last_ip - first_ip + 1; |
| |
| if (elements > IPSET_BITMAP_MAX_RANGE + 1) |
| return -IPSET_ERR_BITMAP_RANGE_SIZE; |
| |
| map = kzalloc(sizeof(*map), GFP_KERNEL); |
| if (!map) |
| return -ENOMEM; |
| |
| if (tb[IPSET_ATTR_TIMEOUT]) { |
| map->dsize = sizeof(struct ipmac_telem); |
| |
| if (!init_map_ipmac(set, map, first_ip, last_ip)) { |
| kfree(map); |
| return -ENOMEM; |
| } |
| |
| map->timeout = ip_set_timeout_uget(tb[IPSET_ATTR_TIMEOUT]); |
| |
| set->variant = &bitmap_tipmac; |
| |
| bitmap_ipmac_gc_init(set); |
| } else { |
| map->dsize = sizeof(struct ipmac_elem); |
| |
| if (!init_map_ipmac(set, map, first_ip, last_ip)) { |
| kfree(map); |
| return -ENOMEM; |
| } |
| set->variant = &bitmap_ipmac; |
| |
| } |
| return 0; |
| } |
| |
| static struct ip_set_type bitmap_ipmac_type = { |
| .name = "bitmap:ip,mac", |
| .protocol = IPSET_PROTOCOL, |
| .features = IPSET_TYPE_IP | IPSET_TYPE_MAC, |
| .dimension = IPSET_DIM_TWO, |
| .family = NFPROTO_IPV4, |
| .revision_min = 0, |
| .revision_max = 0, |
| .create = bitmap_ipmac_create, |
| .create_policy = { |
| [IPSET_ATTR_IP] = { .type = NLA_NESTED }, |
| [IPSET_ATTR_IP_TO] = { .type = NLA_NESTED }, |
| [IPSET_ATTR_CIDR] = { .type = NLA_U8 }, |
| [IPSET_ATTR_TIMEOUT] = { .type = NLA_U32 }, |
| }, |
| .adt_policy = { |
| [IPSET_ATTR_IP] = { .type = NLA_NESTED }, |
| [IPSET_ATTR_ETHER] = { .type = NLA_BINARY, |
| .len = ETH_ALEN }, |
| [IPSET_ATTR_TIMEOUT] = { .type = NLA_U32 }, |
| [IPSET_ATTR_LINENO] = { .type = NLA_U32 }, |
| }, |
| .me = THIS_MODULE, |
| }; |
| |
| static int __init |
| bitmap_ipmac_init(void) |
| { |
| return ip_set_type_register(&bitmap_ipmac_type); |
| } |
| |
| static void __exit |
| bitmap_ipmac_fini(void) |
| { |
| ip_set_type_unregister(&bitmap_ipmac_type); |
| } |
| |
| module_init(bitmap_ipmac_init); |
| module_exit(bitmap_ipmac_fini); |