Reorganized kernel/ subdir

The kernel/ subdirectory is reorganized to follow the kernel directory
structure.

1 files changed, 0 insertions, 464 deletions

diff --git a/kernel/ip_set_hash_ip.c b/kernel/ip_set_hash_ip.c
deleted file mode 100644
index 43bcce2..0000000
--- a/kernel/ip_set_hash_ip.c
+++ /dev/null
@@ -1,464 +0,0 @@
-/* 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 hash:ip type */
-
-#include <linux/jhash.h>
-#include <linux/module.h>
-#include <linux/ip.h>
-#include <linux/skbuff.h>
-#include <linux/errno.h>
-#include <linux/random.h>
-#include <net/ip.h>
-#include <net/ipv6.h>
-#include <net/netlink.h>
-#include <net/tcp.h>
-
-#include <linux/netfilter.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_hash.h>
-
-MODULE_LICENSE("GPL");
-MODULE_AUTHOR("Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>");
-MODULE_DESCRIPTION("hash:ip type of IP sets");
-MODULE_ALIAS("ip_set_hash:ip");
-
-/* Type specific function prefix */
-#define TYPE		hash_ip
-
-static bool
-hash_ip_same_set(const struct ip_set *a, const struct ip_set *b);
-
-#define hash_ip4_same_set	hash_ip_same_set
-#define hash_ip6_same_set	hash_ip_same_set
-
-/* The type variant functions: IPv4 */
-
-/* Member elements without timeout */
-struct hash_ip4_elem {
-	__be32 ip;
-};
-
-/* Member elements with timeout support */
-struct hash_ip4_telem {
-	__be32 ip;
-	unsigned long timeout;
-};
-
-static inline bool
-hash_ip4_data_equal(const struct hash_ip4_elem *ip1,
-		    const struct hash_ip4_elem *ip2)
-{
-	return ip1->ip == ip2->ip;
-}
-
-static inline bool
-hash_ip4_data_isnull(const struct hash_ip4_elem *elem)
-{
-	return elem->ip == 0;
-}
-
-static inline void
-hash_ip4_data_copy(struct hash_ip4_elem *dst, const struct hash_ip4_elem *src)
-{
-	dst->ip = src->ip;
-}
-
-/* Zero valued IP addresses cannot be stored */
-static inline void
-hash_ip4_data_zero_out(struct hash_ip4_elem *elem)
-{
-	elem->ip = 0;
-}
-
-static inline bool
-hash_ip4_data_list(struct sk_buff *skb, const struct hash_ip4_elem *data)
-{
-	NLA_PUT_IPADDR4(skb, IPSET_ATTR_IP, data->ip);
-	return 0;
-
-nla_put_failure:
-	return 1;
-}
-
-static bool
-hash_ip4_data_tlist(struct sk_buff *skb, const struct hash_ip4_elem *data)
-{
-	const struct hash_ip4_telem *tdata =
-		(const struct hash_ip4_telem *)data;
-
-	NLA_PUT_IPADDR4(skb, IPSET_ATTR_IP, tdata->ip);
-	NLA_PUT_NET32(skb, IPSET_ATTR_TIMEOUT,
-		      htonl(ip_set_timeout_get(tdata->timeout)));
-
-	return 0;
-
-nla_put_failure:
-	return 1;
-}
-
-#define IP_SET_HASH_WITH_NETMASK
-#define PF		4
-#define HOST_MASK	32
-#include <linux/netfilter/ipset/ip_set_ahash.h>
-
-static int
-hash_ip4_kadt(struct ip_set *set, const struct sk_buff *skb,
-	      enum ipset_adt adt, u8 pf, u8 dim, u8 flags)
-{
-	const struct ip_set_hash *h = set->data;
-	ipset_adtfn adtfn = set->variant->adt[adt];
-	__be32 ip;
-
-	ip4addrptr(skb, flags & IPSET_DIM_ONE_SRC, &ip);
-	ip &= ip_set_netmask(h->netmask);
-	if (ip == 0)
-		return -EINVAL;
-
-	return adtfn(set, &ip, h->timeout);
-}
-
-static int
-hash_ip4_uadt(struct ip_set *set, struct nlattr *tb[],
-	      enum ipset_adt adt, u32 *lineno, u32 flags)
-{
-	const struct ip_set_hash *h = set->data;
-	ipset_adtfn adtfn = set->variant->adt[adt];
-	u32 ip, ip_to, hosts, timeout = h->timeout;
-	__be32 nip;
-	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], &ip);
-	if (ret)
-		return ret;
-
-	ip &= ip_set_hostmask(h->netmask);
-
-	if (tb[IPSET_ATTR_TIMEOUT]) {
-		if (!with_timeout(h->timeout))
-			return -IPSET_ERR_TIMEOUT;
-		timeout = ip_set_timeout_uget(tb[IPSET_ATTR_TIMEOUT]);
-	}
-
-	if (adt == IPSET_TEST) {
-		nip = htonl(ip);
-		if (nip == 0)
-			return -IPSET_ERR_HASH_ELEM;
-		return adtfn(set, &nip, timeout);
-	}
-
-	if (tb[IPSET_ATTR_IP_TO]) {
-		ret = ip_set_get_hostipaddr4(tb[IPSET_ATTR_IP_TO], &ip_to);
-		if (ret)
-			return ret;
-		if (ip > ip_to)
-			swap(ip, ip_to);
-	} else if (tb[IPSET_ATTR_CIDR]) {
-		u8 cidr = nla_get_u8(tb[IPSET_ATTR_CIDR]);
-
-		if (cidr > 32)
-			return -IPSET_ERR_INVALID_CIDR;
-		ip &= ip_set_hostmask(cidr);
-		ip_to = ip | ~ip_set_hostmask(cidr);
-	} else
-		ip_to = ip;
-
-	hosts = h->netmask == 32 ? 1 : 2 << (32 - h->netmask - 1);
-
-	for (; !before(ip_to, ip); ip += hosts) {
-		nip = htonl(ip);
-		if (nip == 0)
-			return -IPSET_ERR_HASH_ELEM;
-		ret = adtfn(set, &nip, timeout);
-
-		if (ret && !ip_set_eexist(ret, flags))
-			return ret;
-		else
-			ret = 0;
-	}
-	return ret;
-}
-
-static bool
-hash_ip_same_set(const struct ip_set *a, const struct ip_set *b)
-{
-	const struct ip_set_hash *x = a->data;
-	const struct ip_set_hash *y = b->data;
-
-	/* Resizing changes htable_bits, so we ignore it */
-	return x->maxelem == y->maxelem &&
-	       x->timeout == y->timeout &&
-	       x->netmask == y->netmask;
-}
-
-/* The type variant functions: IPv6 */
-
-struct hash_ip6_elem {
-	union nf_inet_addr ip;
-};
-
-struct hash_ip6_telem {
-	union nf_inet_addr ip;
-	unsigned long timeout;
-};
-
-static inline bool
-hash_ip6_data_equal(const struct hash_ip6_elem *ip1,
-		    const struct hash_ip6_elem *ip2)
-{
-	return ipv6_addr_cmp(&ip1->ip.in6, &ip2->ip.in6) == 0;
-}
-
-static inline bool
-hash_ip6_data_isnull(const struct hash_ip6_elem *elem)
-{
-	return ipv6_addr_any(&elem->ip.in6);
-}
-
-static inline void
-hash_ip6_data_copy(struct hash_ip6_elem *dst, const struct hash_ip6_elem *src)
-{
-	ipv6_addr_copy(&dst->ip.in6, &src->ip.in6);
-}
-
-static inline void
-hash_ip6_data_zero_out(struct hash_ip6_elem *elem)
-{
-	ipv6_addr_set(&elem->ip.in6, 0, 0, 0, 0);
-}
-
-static inline void
-ip6_netmask(union nf_inet_addr *ip, u8 prefix)
-{
-	ip->ip6[0] &= ip_set_netmask6(prefix)[0];
-	ip->ip6[1] &= ip_set_netmask6(prefix)[1];
-	ip->ip6[2] &= ip_set_netmask6(prefix)[2];
-	ip->ip6[3] &= ip_set_netmask6(prefix)[3];
-}
-
-static bool
-hash_ip6_data_list(struct sk_buff *skb, const struct hash_ip6_elem *data)
-{
-	NLA_PUT_IPADDR6(skb, IPSET_ATTR_IP, &data->ip);
-	return 0;
-
-nla_put_failure:
-	return 1;
-}
-
-static bool
-hash_ip6_data_tlist(struct sk_buff *skb, const struct hash_ip6_elem *data)
-{
-	const struct hash_ip6_telem *e =
-		(const struct hash_ip6_telem *)data;
-
-	NLA_PUT_IPADDR6(skb, IPSET_ATTR_IP, &e->ip);
-	NLA_PUT_NET32(skb, IPSET_ATTR_TIMEOUT,
-		      htonl(ip_set_timeout_get(e->timeout)));
-	return 0;
-
-nla_put_failure:
-	return 1;
-}
-
-#undef PF
-#undef HOST_MASK
-
-#define PF		6
-#define HOST_MASK	128
-#include <linux/netfilter/ipset/ip_set_ahash.h>
-
-static int
-hash_ip6_kadt(struct ip_set *set, const struct sk_buff *skb,
-	      enum ipset_adt adt, u8 pf, u8 dim, u8 flags)
-{
-	const struct ip_set_hash *h = set->data;
-	ipset_adtfn adtfn = set->variant->adt[adt];
-	union nf_inet_addr ip;
-
-	ip6addrptr(skb, flags & IPSET_DIM_ONE_SRC, &ip.in6);
-	ip6_netmask(&ip, h->netmask);
-	if (ipv6_addr_any(&ip.in6))
-		return -EINVAL;
-
-	return adtfn(set, &ip, h->timeout);
-}
-
-static const struct nla_policy hash_ip6_adt_policy[IPSET_ATTR_ADT_MAX + 1] = {
-	[IPSET_ATTR_IP]		= { .type = NLA_NESTED },
-	[IPSET_ATTR_TIMEOUT]	= { .type = NLA_U32 },
-	[IPSET_ATTR_LINENO]	= { .type = NLA_U32 },
-};
-
-static int
-hash_ip6_uadt(struct ip_set *set, struct nlattr *tb[],
-	      enum ipset_adt adt, u32 *lineno, u32 flags)
-{
-	const struct ip_set_hash *h = set->data;
-	ipset_adtfn adtfn = set->variant->adt[adt];
-	union nf_inet_addr ip;
-	u32 timeout = h->timeout;
-	int ret;
-
-	if (unlikely(!tb[IPSET_ATTR_IP] ||
-		     !ip_set_optattr_netorder(tb, IPSET_ATTR_TIMEOUT) ||
-		     tb[IPSET_ATTR_IP_TO] ||
-		     tb[IPSET_ATTR_CIDR]))
-		return -IPSET_ERR_PROTOCOL;
-
-	if (tb[IPSET_ATTR_LINENO])
-		*lineno = nla_get_u32(tb[IPSET_ATTR_LINENO]);
-
-	ret = ip_set_get_ipaddr6(tb[IPSET_ATTR_IP], &ip);
-	if (ret)
-		return ret;
-
-	ip6_netmask(&ip, h->netmask);
-	if (ipv6_addr_any(&ip.in6))
-		return -IPSET_ERR_HASH_ELEM;
-
-	if (tb[IPSET_ATTR_TIMEOUT]) {
-		if (!with_timeout(h->timeout))
-			return -IPSET_ERR_TIMEOUT;
-		timeout = ip_set_timeout_uget(tb[IPSET_ATTR_TIMEOUT]);
-	}
-
-	ret = adtfn(set, &ip, timeout);
-
-	return ip_set_eexist(ret, flags) ? 0 : ret;
-}
-
-/* Create hash:ip type of sets */
-
-static int
-hash_ip_create(struct ip_set *set, struct nlattr *tb[], u32 flags)
-{
-	u32 hashsize = IPSET_DEFAULT_HASHSIZE, maxelem = IPSET_DEFAULT_MAXELEM;
-	u8 netmask, hbits;
-	struct ip_set_hash *h;
-
-	if (!(set->family == AF_INET || set->family == AF_INET6))
-		return -IPSET_ERR_INVALID_FAMILY;
-	netmask = set->family == AF_INET ? 32 : 128;
-	pr_debug("Create set %s with family %s\n",
-		 set->name, set->family == AF_INET ? "inet" : "inet6");
-
-	if (unlikely(!ip_set_optattr_netorder(tb, IPSET_ATTR_HASHSIZE) ||
-		     !ip_set_optattr_netorder(tb, IPSET_ATTR_MAXELEM) ||
-		     !ip_set_optattr_netorder(tb, IPSET_ATTR_TIMEOUT)))
-		return -IPSET_ERR_PROTOCOL;
-
-	if (tb[IPSET_ATTR_HASHSIZE]) {
-		hashsize = ip_set_get_h32(tb[IPSET_ATTR_HASHSIZE]);
-		if (hashsize < IPSET_MIMINAL_HASHSIZE)
-			hashsize = IPSET_MIMINAL_HASHSIZE;
-	}
-
-	if (tb[IPSET_ATTR_MAXELEM])
-		maxelem = ip_set_get_h32(tb[IPSET_ATTR_MAXELEM]);
-
-	if (tb[IPSET_ATTR_NETMASK]) {
-		netmask = nla_get_u8(tb[IPSET_ATTR_NETMASK]);
-
-		if ((set->family == AF_INET && netmask > 32) ||
-		    (set->family == AF_INET6 && netmask > 128) ||
-		    netmask == 0)
-			return -IPSET_ERR_INVALID_NETMASK;
-	}
-
-	h = kzalloc(sizeof(*h), GFP_KERNEL);
-	if (!h)
-		return -ENOMEM;
-
-	h->maxelem = maxelem;
-	h->netmask = netmask;
-	get_random_bytes(&h->initval, sizeof(h->initval));
-	h->timeout = IPSET_NO_TIMEOUT;
-
-	hbits = htable_bits(hashsize);
-	h->table = ip_set_alloc(
-			sizeof(struct htable)
-			+ jhash_size(hbits) * sizeof(struct hbucket));
-	if (!h->table) {
-		kfree(h);
-		return -ENOMEM;
-	}
-	h->table->htable_bits = hbits;
-
-	set->data = h;
-
-	if (tb[IPSET_ATTR_TIMEOUT]) {
-		h->timeout = ip_set_timeout_uget(tb[IPSET_ATTR_TIMEOUT]);
-
-		set->variant = set->family == AF_INET
-			? &hash_ip4_tvariant : &hash_ip6_tvariant;
-
-		if (set->family == AF_INET)
-			hash_ip4_gc_init(set);
-		else
-			hash_ip6_gc_init(set);
-	} else {
-		set->variant = set->family == AF_INET
-			? &hash_ip4_variant : &hash_ip6_variant;
-	}
-
-	pr_debug("create %s hashsize %u (%u) maxelem %u: %p(%p)\n",
-		 set->name, jhash_size(h->table->htable_bits),
-		 h->table->htable_bits, h->maxelem, set->data, h->table);
-
-	return 0;
-}
-
-static struct ip_set_type hash_ip_type __read_mostly = {
-	.name		= "hash:ip",
-	.protocol	= IPSET_PROTOCOL,
-	.features	= IPSET_TYPE_IP,
-	.dimension	= IPSET_DIM_ONE,
-	.family		= AF_UNSPEC,
-	.revision	= 0,
-	.create		= hash_ip_create,
-	.create_policy	= {
-		[IPSET_ATTR_HASHSIZE]	= { .type = NLA_U32 },
-		[IPSET_ATTR_MAXELEM]	= { .type = NLA_U32 },
-		[IPSET_ATTR_PROBES]	= { .type = NLA_U8 },
-		[IPSET_ATTR_RESIZE]	= { .type = NLA_U8  },
-		[IPSET_ATTR_TIMEOUT]	= { .type = NLA_U32 },
-		[IPSET_ATTR_NETMASK]	= { .type = NLA_U8  },
-	},
-	.adt_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 },
-		[IPSET_ATTR_LINENO]	= { .type = NLA_U32 },
-	},
-	.me		= THIS_MODULE,
-};
-
-static int __init
-hash_ip_init(void)
-{
-	return ip_set_type_register(&hash_ip_type);
-}
-
-static void __exit
-hash_ip_fini(void)
-{
-	ip_set_type_unregister(&hash_ip_type);
-}
-
-module_init(hash_ip_init);
-module_exit(hash_ip_fini);