#ifndef _IP_CONNTRACK_CORE_H
#define _IP_CONNTRACK_CORE_H
#include <linux/netfilter.h>
-#include <linux/netfilter_ipv4/lockhelp.h>
/* This header is used to share core functionality between the
standalone connection tracking module, and the compatibility layer's use
extern struct list_head *ip_conntrack_hash;
extern struct list_head ip_conntrack_expect_list;
-DECLARE_RWLOCK_EXTERN(ip_conntrack_lock);
+extern rwlock_t ip_conntrack_lock;
#endif /* _IP_CONNTRACK_CORE_H */
#ifdef __KERNEL__
#include <linux/list.h>
-#include <linux/netfilter_ipv4/lockhelp.h>
/* Protects NAT hash tables, and NAT-private part of conntracks. */
-DECLARE_RWLOCK_EXTERN(ip_nat_lock);
+extern rwlock_t ip_nat_lock;
/* The structure embedded in the conntrack structure. */
struct ip_nat_info
#define _LISTHELP_H
#include <linux/config.h>
#include <linux/list.h>
-#include <linux/netfilter_ipv4/lockhelp.h>
/* Header to do more comprehensive job than linux/list.h; assume list
is first entry in structure. */
+++ /dev/null
-#ifndef _LOCKHELP_H
-#define _LOCKHELP_H
-#include <linux/config.h>
-
-#include <linux/spinlock.h>
-#include <asm/atomic.h>
-#include <linux/interrupt.h>
-#include <linux/smp.h>
-
-/* Header to do help in lock debugging. */
-
-#ifdef CONFIG_NETFILTER_DEBUG
-struct spinlock_debug
-{
- spinlock_t l;
- atomic_t locked_by;
-};
-
-struct rwlock_debug
-{
- rwlock_t l;
- long read_locked_map;
- long write_locked_map;
-};
-
-#define DECLARE_LOCK(l) \
-struct spinlock_debug l = { SPIN_LOCK_UNLOCKED, ATOMIC_INIT(-1) }
-#define DECLARE_LOCK_EXTERN(l) \
-extern struct spinlock_debug l
-#define DECLARE_RWLOCK(l) \
-struct rwlock_debug l = { RW_LOCK_UNLOCKED, 0, 0 }
-#define DECLARE_RWLOCK_EXTERN(l) \
-extern struct rwlock_debug l
-
-#define MUST_BE_LOCKED(l) \
-do { if (atomic_read(&(l)->locked_by) != smp_processor_id()) \
- printk("ASSERT %s:%u %s unlocked\n", __FILE__, __LINE__, #l); \
-} while(0)
-
-#define MUST_BE_UNLOCKED(l) \
-do { if (atomic_read(&(l)->locked_by) == smp_processor_id()) \
- printk("ASSERT %s:%u %s locked\n", __FILE__, __LINE__, #l); \
-} while(0)
-
-/* Write locked OK as well. */
-#define MUST_BE_READ_LOCKED(l) \
-do { if (!((l)->read_locked_map & (1UL << smp_processor_id())) \
- && !((l)->write_locked_map & (1UL << smp_processor_id()))) \
- printk("ASSERT %s:%u %s not readlocked\n", __FILE__, __LINE__, #l); \
-} while(0)
-
-#define MUST_BE_WRITE_LOCKED(l) \
-do { if (!((l)->write_locked_map & (1UL << smp_processor_id()))) \
- printk("ASSERT %s:%u %s not writelocked\n", __FILE__, __LINE__, #l); \
-} while(0)
-
-#define MUST_BE_READ_WRITE_UNLOCKED(l) \
-do { if ((l)->read_locked_map & (1UL << smp_processor_id())) \
- printk("ASSERT %s:%u %s readlocked\n", __FILE__, __LINE__, #l); \
- else if ((l)->write_locked_map & (1UL << smp_processor_id())) \
- printk("ASSERT %s:%u %s writelocked\n", __FILE__, __LINE__, #l); \
-} while(0)
-
-#define LOCK_BH(lk) \
-do { \
- MUST_BE_UNLOCKED(lk); \
- spin_lock_bh(&(lk)->l); \
- atomic_set(&(lk)->locked_by, smp_processor_id()); \
-} while(0)
-
-#define UNLOCK_BH(lk) \
-do { \
- MUST_BE_LOCKED(lk); \
- atomic_set(&(lk)->locked_by, -1); \
- spin_unlock_bh(&(lk)->l); \
-} while(0)
-
-#define READ_LOCK(lk) \
-do { \
- MUST_BE_READ_WRITE_UNLOCKED(lk); \
- read_lock_bh(&(lk)->l); \
- set_bit(smp_processor_id(), &(lk)->read_locked_map); \
-} while(0)
-
-#define WRITE_LOCK(lk) \
-do { \
- MUST_BE_READ_WRITE_UNLOCKED(lk); \
- write_lock_bh(&(lk)->l); \
- set_bit(smp_processor_id(), &(lk)->write_locked_map); \
-} while(0)
-
-#define READ_UNLOCK(lk) \
-do { \
- if (!((lk)->read_locked_map & (1UL << smp_processor_id()))) \
- printk("ASSERT: %s:%u %s not readlocked\n", \
- __FILE__, __LINE__, #lk); \
- clear_bit(smp_processor_id(), &(lk)->read_locked_map); \
- read_unlock_bh(&(lk)->l); \
-} while(0)
-
-#define WRITE_UNLOCK(lk) \
-do { \
- MUST_BE_WRITE_LOCKED(lk); \
- clear_bit(smp_processor_id(), &(lk)->write_locked_map); \
- write_unlock_bh(&(lk)->l); \
-} while(0)
-
-#else
-#define DECLARE_LOCK(l) spinlock_t l = SPIN_LOCK_UNLOCKED
-#define DECLARE_LOCK_EXTERN(l) extern spinlock_t l
-#define DECLARE_RWLOCK(l) rwlock_t l = RW_LOCK_UNLOCKED
-#define DECLARE_RWLOCK_EXTERN(l) extern rwlock_t l
-
-#define MUST_BE_LOCKED(l)
-#define MUST_BE_UNLOCKED(l)
-#define MUST_BE_READ_LOCKED(l)
-#define MUST_BE_WRITE_LOCKED(l)
-#define MUST_BE_READ_WRITE_UNLOCKED(l)
-
-#define LOCK_BH(l) spin_lock_bh(l)
-#define UNLOCK_BH(l) spin_unlock_bh(l)
-
-#define READ_LOCK(l) read_lock_bh(l)
-#define WRITE_LOCK(l) write_lock_bh(l)
-#define READ_UNLOCK(l) read_unlock_bh(l)
-#define WRITE_UNLOCK(l) write_unlock_bh(l)
-#endif /*CONFIG_NETFILTER_DEBUG*/
-
-#endif /* _LOCKHELP_H */
#define ASSERT_READ_LOCK(x) ARP_NF_ASSERT(down_trylock(&arpt_mutex) != 0)
#define ASSERT_WRITE_LOCK(x) ARP_NF_ASSERT(down_trylock(&arpt_mutex) != 0)
-#include <linux/netfilter_ipv4/lockhelp.h>
#include <linux/netfilter_ipv4/listhelp.h>
struct arpt_table_info {
#include <net/checksum.h>
#include <net/udp.h>
-#include <linux/netfilter_ipv4/lockhelp.h>
#include <linux/netfilter_ipv4/ip_conntrack_helper.h>
#include <linux/netfilter_ipv4/ip_conntrack_amanda.h>
/* This is slow, but it's simple. --RR */
static char amanda_buffer[65536];
-static DECLARE_LOCK(amanda_buffer_lock);
+static DEFINE_SPINLOCK(amanda_buffer_lock);
unsigned int (*ip_nat_amanda_hook)(struct sk_buff **pskb,
enum ip_conntrack_info ctinfo,
return NF_ACCEPT;
}
- LOCK_BH(&amanda_buffer_lock);
+ spin_lock_bh(&amanda_buffer_lock);
skb_copy_bits(*pskb, dataoff, amanda_buffer, (*pskb)->len - dataoff);
data = amanda_buffer;
data_limit = amanda_buffer + (*pskb)->len - dataoff;
}
out:
- UNLOCK_BH(&amanda_buffer_lock);
+ spin_unlock_bh(&amanda_buffer_lock);
return ret;
}
#include <linux/percpu.h>
#include <linux/moduleparam.h>
-/* This rwlock protects the main hash table, protocol/helper/expected
+/* ip_conntrack_lock protects the main hash table, protocol/helper/expected
registrations, conntrack timers*/
-#define ASSERT_READ_LOCK(x) MUST_BE_READ_LOCKED(&ip_conntrack_lock)
-#define ASSERT_WRITE_LOCK(x) MUST_BE_WRITE_LOCKED(&ip_conntrack_lock)
+#define ASSERT_READ_LOCK(x)
+#define ASSERT_WRITE_LOCK(x)
#include <linux/netfilter_ipv4/ip_conntrack.h>
#include <linux/netfilter_ipv4/ip_conntrack_protocol.h>
#define DEBUGP(format, args...)
#endif
-DECLARE_RWLOCK(ip_conntrack_lock);
+DEFINE_RWLOCK(ip_conntrack_lock);
/* ip_conntrack_standalone needs this */
atomic_t ip_conntrack_count = ATOMIC_INIT(0);
static void unlink_expect(struct ip_conntrack_expect *exp)
{
- MUST_BE_WRITE_LOCKED(&ip_conntrack_lock);
+ ASSERT_WRITE_LOCK(&ip_conntrack_lock);
list_del(&exp->list);
/* Logically in destroy_expect, but we hold the lock here. */
exp->master->expecting--;
{
struct ip_conntrack_expect *exp = (void *)ul_expect;
- WRITE_LOCK(&ip_conntrack_lock);
+ write_lock_bh(&ip_conntrack_lock);
unlink_expect(exp);
- WRITE_UNLOCK(&ip_conntrack_lock);
+ write_unlock_bh(&ip_conntrack_lock);
destroy_expect(exp);
}
unsigned int ho, hr;
DEBUGP("clean_from_lists(%p)\n", ct);
- MUST_BE_WRITE_LOCKED(&ip_conntrack_lock);
+ ASSERT_WRITE_LOCK(&ip_conntrack_lock);
ho = hash_conntrack(&ct->tuplehash[IP_CT_DIR_ORIGINAL].tuple);
hr = hash_conntrack(&ct->tuplehash[IP_CT_DIR_REPLY].tuple);
if (ip_conntrack_destroyed)
ip_conntrack_destroyed(ct);
- WRITE_LOCK(&ip_conntrack_lock);
+ write_lock_bh(&ip_conntrack_lock);
/* Expectations will have been removed in clean_from_lists,
* except TFTP can create an expectation on the first packet,
* before connection is in the list, so we need to clean here,
}
CONNTRACK_STAT_INC(delete);
- WRITE_UNLOCK(&ip_conntrack_lock);
+ write_unlock_bh(&ip_conntrack_lock);
if (ct->master)
ip_conntrack_put(ct->master);
{
struct ip_conntrack *ct = (void *)ul_conntrack;
- WRITE_LOCK(&ip_conntrack_lock);
+ write_lock_bh(&ip_conntrack_lock);
/* Inside lock so preempt is disabled on module removal path.
* Otherwise we can get spurious warnings. */
CONNTRACK_STAT_INC(delete_list);
clean_from_lists(ct);
- WRITE_UNLOCK(&ip_conntrack_lock);
+ write_unlock_bh(&ip_conntrack_lock);
ip_conntrack_put(ct);
}
const struct ip_conntrack_tuple *tuple,
const struct ip_conntrack *ignored_conntrack)
{
- MUST_BE_READ_LOCKED(&ip_conntrack_lock);
+ ASSERT_READ_LOCK(&ip_conntrack_lock);
return tuplehash_to_ctrack(i) != ignored_conntrack
&& ip_ct_tuple_equal(tuple, &i->tuple);
}
struct ip_conntrack_tuple_hash *h;
unsigned int hash = hash_conntrack(tuple);
- MUST_BE_READ_LOCKED(&ip_conntrack_lock);
+ ASSERT_READ_LOCK(&ip_conntrack_lock);
list_for_each_entry(h, &ip_conntrack_hash[hash], list) {
if (conntrack_tuple_cmp(h, tuple, ignored_conntrack)) {
CONNTRACK_STAT_INC(found);
{
struct ip_conntrack_tuple_hash *h;
- READ_LOCK(&ip_conntrack_lock);
+ read_lock_bh(&ip_conntrack_lock);
h = __ip_conntrack_find(tuple, ignored_conntrack);
if (h)
atomic_inc(&tuplehash_to_ctrack(h)->ct_general.use);
- READ_UNLOCK(&ip_conntrack_lock);
+ read_unlock_bh(&ip_conntrack_lock);
return h;
}
IP_NF_ASSERT(!is_confirmed(ct));
DEBUGP("Confirming conntrack %p\n", ct);
- WRITE_LOCK(&ip_conntrack_lock);
+ write_lock_bh(&ip_conntrack_lock);
/* See if there's one in the list already, including reverse:
NAT could have grabbed it without realizing, since we're
atomic_inc(&ct->ct_general.use);
set_bit(IPS_CONFIRMED_BIT, &ct->status);
CONNTRACK_STAT_INC(insert);
- WRITE_UNLOCK(&ip_conntrack_lock);
+ write_unlock_bh(&ip_conntrack_lock);
return NF_ACCEPT;
}
CONNTRACK_STAT_INC(insert_failed);
- WRITE_UNLOCK(&ip_conntrack_lock);
+ write_unlock_bh(&ip_conntrack_lock);
return NF_DROP;
}
{
struct ip_conntrack_tuple_hash *h;
- READ_LOCK(&ip_conntrack_lock);
+ read_lock_bh(&ip_conntrack_lock);
h = __ip_conntrack_find(tuple, ignored_conntrack);
- READ_UNLOCK(&ip_conntrack_lock);
+ read_unlock_bh(&ip_conntrack_lock);
return h != NULL;
}
struct ip_conntrack *ct = NULL;
int dropped = 0;
- READ_LOCK(&ip_conntrack_lock);
+ read_lock_bh(&ip_conntrack_lock);
h = LIST_FIND_B(chain, unreplied, struct ip_conntrack_tuple_hash *);
if (h) {
ct = tuplehash_to_ctrack(h);
atomic_inc(&ct->ct_general.use);
}
- READ_UNLOCK(&ip_conntrack_lock);
+ read_unlock_bh(&ip_conntrack_lock);
if (!ct)
return dropped;
conntrack->timeout.data = (unsigned long)conntrack;
conntrack->timeout.function = death_by_timeout;
- WRITE_LOCK(&ip_conntrack_lock);
+ write_lock_bh(&ip_conntrack_lock);
exp = find_expectation(tuple);
if (exp) {
list_add(&conntrack->tuplehash[IP_CT_DIR_ORIGINAL].list, &unconfirmed);
atomic_inc(&ip_conntrack_count);
- WRITE_UNLOCK(&ip_conntrack_lock);
+ write_unlock_bh(&ip_conntrack_lock);
if (exp) {
if (exp->expectfn)
{
struct ip_conntrack_expect *i;
- WRITE_LOCK(&ip_conntrack_lock);
+ write_lock_bh(&ip_conntrack_lock);
/* choose the the oldest expectation to evict */
list_for_each_entry_reverse(i, &ip_conntrack_expect_list, list) {
if (expect_matches(i, exp) && del_timer(&i->timeout)) {
unlink_expect(i);
- WRITE_UNLOCK(&ip_conntrack_lock);
+ write_unlock_bh(&ip_conntrack_lock);
destroy_expect(i);
return;
}
}
- WRITE_UNLOCK(&ip_conntrack_lock);
+ write_unlock_bh(&ip_conntrack_lock);
}
struct ip_conntrack_expect *ip_conntrack_expect_alloc(void)
DEBUGP("tuple: "); DUMP_TUPLE(&expect->tuple);
DEBUGP("mask: "); DUMP_TUPLE(&expect->mask);
- WRITE_LOCK(&ip_conntrack_lock);
+ write_lock_bh(&ip_conntrack_lock);
list_for_each_entry(i, &ip_conntrack_expect_list, list) {
if (expect_matches(i, expect)) {
/* Refresh timer: if it's dying, ignore.. */
ip_conntrack_expect_insert(expect);
ret = 0;
out:
- WRITE_UNLOCK(&ip_conntrack_lock);
+ write_unlock_bh(&ip_conntrack_lock);
return ret;
}
void ip_conntrack_alter_reply(struct ip_conntrack *conntrack,
const struct ip_conntrack_tuple *newreply)
{
- WRITE_LOCK(&ip_conntrack_lock);
+ write_lock_bh(&ip_conntrack_lock);
/* Should be unconfirmed, so not in hash table yet */
IP_NF_ASSERT(!is_confirmed(conntrack));
conntrack->tuplehash[IP_CT_DIR_REPLY].tuple = *newreply;
if (!conntrack->master && conntrack->expecting == 0)
conntrack->helper = ip_ct_find_helper(newreply);
- WRITE_UNLOCK(&ip_conntrack_lock);
+ write_unlock_bh(&ip_conntrack_lock);
}
int ip_conntrack_helper_register(struct ip_conntrack_helper *me)
{
BUG_ON(me->timeout == 0);
- WRITE_LOCK(&ip_conntrack_lock);
+ write_lock_bh(&ip_conntrack_lock);
list_prepend(&helpers, me);
- WRITE_UNLOCK(&ip_conntrack_lock);
+ write_unlock_bh(&ip_conntrack_lock);
return 0;
}
struct ip_conntrack_expect *exp, *tmp;
/* Need write lock here, to delete helper. */
- WRITE_LOCK(&ip_conntrack_lock);
+ write_lock_bh(&ip_conntrack_lock);
LIST_DELETE(&helpers, me);
/* Get rid of expectations */
for (i = 0; i < ip_conntrack_htable_size; i++)
LIST_FIND_W(&ip_conntrack_hash[i], unhelp,
struct ip_conntrack_tuple_hash *, me);
- WRITE_UNLOCK(&ip_conntrack_lock);
+ write_unlock_bh(&ip_conntrack_lock);
/* Someone could be still looking at the helper in a bh. */
synchronize_net();
ct->timeout.expires = extra_jiffies;
ct_add_counters(ct, ctinfo, skb);
} else {
- WRITE_LOCK(&ip_conntrack_lock);
+ write_lock_bh(&ip_conntrack_lock);
/* Need del_timer for race avoidance (may already be dying). */
if (del_timer(&ct->timeout)) {
ct->timeout.expires = jiffies + extra_jiffies;
add_timer(&ct->timeout);
}
ct_add_counters(ct, ctinfo, skb);
- WRITE_UNLOCK(&ip_conntrack_lock);
+ write_unlock_bh(&ip_conntrack_lock);
}
}
{
struct ip_conntrack_tuple_hash *h = NULL;
- WRITE_LOCK(&ip_conntrack_lock);
+ write_lock_bh(&ip_conntrack_lock);
for (; *bucket < ip_conntrack_htable_size; (*bucket)++) {
h = LIST_FIND_W(&ip_conntrack_hash[*bucket], do_iter,
struct ip_conntrack_tuple_hash *, iter, data);
struct ip_conntrack_tuple_hash *, iter, data);
if (h)
atomic_inc(&tuplehash_to_ctrack(h)->ct_general.use);
- WRITE_UNLOCK(&ip_conntrack_lock);
+ write_unlock_bh(&ip_conntrack_lock);
return h;
}
}
/* Don't NEED lock here, but good form anyway. */
- WRITE_LOCK(&ip_conntrack_lock);
+ write_lock_bh(&ip_conntrack_lock);
for (i = 0; i < MAX_IP_CT_PROTO; i++)
ip_ct_protos[i] = &ip_conntrack_generic_protocol;
/* Sew in builtin protocols. */
ip_ct_protos[IPPROTO_TCP] = &ip_conntrack_protocol_tcp;
ip_ct_protos[IPPROTO_UDP] = &ip_conntrack_protocol_udp;
ip_ct_protos[IPPROTO_ICMP] = &ip_conntrack_protocol_icmp;
- WRITE_UNLOCK(&ip_conntrack_lock);
+ write_unlock_bh(&ip_conntrack_lock);
for (i = 0; i < ip_conntrack_htable_size; i++)
INIT_LIST_HEAD(&ip_conntrack_hash[i]);
#include <net/checksum.h>
#include <net/tcp.h>
-#include <linux/netfilter_ipv4/lockhelp.h>
#include <linux/netfilter_ipv4/ip_conntrack_helper.h>
#include <linux/netfilter_ipv4/ip_conntrack_ftp.h>
#include <linux/moduleparam.h>
/* This is slow, but it's simple. --RR */
static char ftp_buffer[65536];
-static DECLARE_LOCK(ip_ftp_lock);
+static DEFINE_SPINLOCK(ip_ftp_lock);
#define MAX_PORTS 8
static int ports[MAX_PORTS];
}
datalen = (*pskb)->len - dataoff;
- LOCK_BH(&ip_ftp_lock);
+ spin_lock_bh(&ip_ftp_lock);
fb_ptr = skb_header_pointer(*pskb, dataoff,
(*pskb)->len - dataoff, ftp_buffer);
BUG_ON(fb_ptr == NULL);
if (ends_in_nl)
update_nl_seq(seq, ct_ftp_info,dir);
out:
- UNLOCK_BH(&ip_ftp_lock);
+ spin_unlock_bh(&ip_ftp_lock);
return ret;
}
#include <net/checksum.h>
#include <net/tcp.h>
-#include <linux/netfilter_ipv4/lockhelp.h>
#include <linux/netfilter_ipv4/ip_conntrack_helper.h>
#include <linux/netfilter_ipv4/ip_conntrack_irc.h>
#include <linux/moduleparam.h>
static unsigned int dcc_timeout = 300;
/* This is slow, but it's simple. --RR */
static char irc_buffer[65536];
-static DECLARE_LOCK(irc_buffer_lock);
+static DEFINE_SPINLOCK(irc_buffer_lock);
unsigned int (*ip_nat_irc_hook)(struct sk_buff **pskb,
enum ip_conntrack_info ctinfo,
if (dataoff >= (*pskb)->len)
return NF_ACCEPT;
- LOCK_BH(&irc_buffer_lock);
+ spin_lock_bh(&irc_buffer_lock);
ib_ptr = skb_header_pointer(*pskb, dataoff,
(*pskb)->len - dataoff, irc_buffer);
BUG_ON(ib_ptr == NULL);
} /* while data < ... */
out:
- UNLOCK_BH(&irc_buffer_lock);
+ spin_unlock_bh(&irc_buffer_lock);
return ret;
}
#include <linux/netfilter_ipv4/ip_conntrack.h>
#include <linux/netfilter_ipv4/ip_conntrack_protocol.h>
-#include <linux/netfilter_ipv4/lockhelp.h>
#if 0
#define DEBUGP(format, ...) printk(format, ## __VA_ARGS__)
#endif
/* Protects conntrack->proto.sctp */
-static DECLARE_RWLOCK(sctp_lock);
+static DEFINE_RWLOCK(sctp_lock);
/* FIXME: Examine ipfilter's timeouts and conntrack transitions more
closely. They're more complex. --RR
DEBUGP(__FUNCTION__);
DEBUGP("\n");
- READ_LOCK(&sctp_lock);
+ read_lock_bh(&sctp_lock);
state = conntrack->proto.sctp.state;
- READ_UNLOCK(&sctp_lock);
+ read_unlock_bh(&sctp_lock);
return seq_printf(s, "%s ", sctp_conntrack_names[state]);
}
oldsctpstate = newconntrack = SCTP_CONNTRACK_MAX;
for_each_sctp_chunk (skb, sch, _sch, offset, count) {
- WRITE_LOCK(&sctp_lock);
+ write_lock_bh(&sctp_lock);
/* Special cases of Verification tag check (Sec 8.5.1) */
if (sch->type == SCTP_CID_INIT) {
/* Sec 8.5.1 (A) */
if (sh->vtag != 0) {
- WRITE_UNLOCK(&sctp_lock);
+ write_unlock_bh(&sctp_lock);
return -1;
}
} else if (sch->type == SCTP_CID_ABORT) {
if (!(sh->vtag == conntrack->proto.sctp.vtag[CTINFO2DIR(ctinfo)])
&& !(sh->vtag == conntrack->proto.sctp.vtag
[1 - CTINFO2DIR(ctinfo)])) {
- WRITE_UNLOCK(&sctp_lock);
+ write_unlock_bh(&sctp_lock);
return -1;
}
} else if (sch->type == SCTP_CID_SHUTDOWN_COMPLETE) {
&& !(sh->vtag == conntrack->proto.sctp.vtag
[1 - CTINFO2DIR(ctinfo)]
&& (sch->flags & 1))) {
- WRITE_UNLOCK(&sctp_lock);
+ write_unlock_bh(&sctp_lock);
return -1;
}
} else if (sch->type == SCTP_CID_COOKIE_ECHO) {
/* Sec 8.5.1 (D) */
if (!(sh->vtag == conntrack->proto.sctp.vtag[CTINFO2DIR(ctinfo)])) {
- WRITE_UNLOCK(&sctp_lock);
+ write_unlock_bh(&sctp_lock);
return -1;
}
}
if (newconntrack == SCTP_CONNTRACK_MAX) {
DEBUGP("ip_conntrack_sctp: Invalid dir=%i ctype=%u conntrack=%u\n",
CTINFO2DIR(ctinfo), sch->type, oldsctpstate);
- WRITE_UNLOCK(&sctp_lock);
+ write_unlock_bh(&sctp_lock);
return -1;
}
ih = skb_header_pointer(skb, offset + sizeof(sctp_chunkhdr_t),
sizeof(_inithdr), &_inithdr);
if (ih == NULL) {
- WRITE_UNLOCK(&sctp_lock);
+ write_unlock_bh(&sctp_lock);
return -1;
}
DEBUGP("Setting vtag %x for dir %d\n",
}
conntrack->proto.sctp.state = newconntrack;
- WRITE_UNLOCK(&sctp_lock);
+ write_unlock_bh(&sctp_lock);
}
ip_ct_refresh_acct(conntrack, ctinfo, skb, *sctp_timeouts[newconntrack]);
#include <linux/netfilter_ipv4.h>
#include <linux/netfilter_ipv4/ip_conntrack.h>
#include <linux/netfilter_ipv4/ip_conntrack_protocol.h>
-#include <linux/netfilter_ipv4/lockhelp.h>
#if 0
#define DEBUGP printk
#endif
/* Protects conntrack->proto.tcp */
-static DECLARE_RWLOCK(tcp_lock);
+static DEFINE_RWLOCK(tcp_lock);
/* "Be conservative in what you do,
be liberal in what you accept from others."
{
enum tcp_conntrack state;
- READ_LOCK(&tcp_lock);
+ read_lock_bh(&tcp_lock);
state = conntrack->proto.tcp.state;
- READ_UNLOCK(&tcp_lock);
+ read_unlock_bh(&tcp_lock);
return seq_printf(s, "%s ", tcp_conntrack_names[state]);
}
end = segment_seq_plus_len(ntohl(tcph->seq), skb->len, iph, tcph);
- WRITE_LOCK(&tcp_lock);
+ write_lock_bh(&tcp_lock);
/*
* We have to worry for the ack in the reply packet only...
*/
if (after(end, conntrack->proto.tcp.seen[dir].td_end))
conntrack->proto.tcp.seen[dir].td_end = end;
conntrack->proto.tcp.last_end = end;
- WRITE_UNLOCK(&tcp_lock);
+ write_unlock_bh(&tcp_lock);
DEBUGP("tcp_update: sender end=%u maxend=%u maxwin=%u scale=%i "
"receiver end=%u maxend=%u maxwin=%u scale=%i\n",
sender->td_end, sender->td_maxend, sender->td_maxwin,
sizeof(_tcph), &_tcph);
BUG_ON(th == NULL);
- WRITE_LOCK(&tcp_lock);
+ write_lock_bh(&tcp_lock);
old_state = conntrack->proto.tcp.state;
dir = CTINFO2DIR(ctinfo);
index = get_conntrack_index(th);
* that the client cannot but retransmit its SYN and
* thus initiate a clean new session.
*/
- WRITE_UNLOCK(&tcp_lock);
+ write_unlock_bh(&tcp_lock);
if (LOG_INVALID(IPPROTO_TCP))
nf_log_packet(PF_INET, 0, skb, NULL, NULL,
"ip_ct_tcp: killing out of sync session ");
conntrack->proto.tcp.last_end =
segment_seq_plus_len(ntohl(th->seq), skb->len, iph, th);
- WRITE_UNLOCK(&tcp_lock);
+ write_unlock_bh(&tcp_lock);
if (LOG_INVALID(IPPROTO_TCP))
nf_log_packet(PF_INET, 0, skb, NULL, NULL,
"ip_ct_tcp: invalid packet ignored ");
DEBUGP("ip_ct_tcp: Invalid dir=%i index=%u ostate=%u\n",
dir, get_conntrack_index(th),
old_state);
- WRITE_UNLOCK(&tcp_lock);
+ write_unlock_bh(&tcp_lock);
if (LOG_INVALID(IPPROTO_TCP))
nf_log_packet(PF_INET, 0, skb, NULL, NULL,
"ip_ct_tcp: invalid state ");
conntrack->proto.tcp.seen[dir].td_end)) {
/* Attempt to reopen a closed connection.
* Delete this connection and look up again. */
- WRITE_UNLOCK(&tcp_lock);
+ write_unlock_bh(&tcp_lock);
if (del_timer(&conntrack->timeout))
conntrack->timeout.function((unsigned long)
conntrack);
return -NF_REPEAT;
} else {
- WRITE_UNLOCK(&tcp_lock);
+ write_unlock_bh(&tcp_lock);
if (LOG_INVALID(IPPROTO_TCP))
nf_log_packet(PF_INET, 0, skb, NULL, NULL,
"ip_ct_tcp: invalid SYN");
if (!tcp_in_window(&conntrack->proto.tcp, dir, index,
skb, iph, th)) {
- WRITE_UNLOCK(&tcp_lock);
+ write_unlock_bh(&tcp_lock);
return -NF_ACCEPT;
}
in_window:
timeout = conntrack->proto.tcp.retrans >= ip_ct_tcp_max_retrans
&& *tcp_timeouts[new_state] > ip_ct_tcp_timeout_max_retrans
? ip_ct_tcp_timeout_max_retrans : *tcp_timeouts[new_state];
- WRITE_UNLOCK(&tcp_lock);
+ write_unlock_bh(&tcp_lock);
if (!test_bit(IPS_SEEN_REPLY_BIT, &conntrack->status)) {
/* If only reply is a RST, we can consider ourselves not to
#include <net/checksum.h>
#include <net/ip.h>
-#define ASSERT_READ_LOCK(x) MUST_BE_READ_LOCKED(&ip_conntrack_lock)
-#define ASSERT_WRITE_LOCK(x) MUST_BE_WRITE_LOCKED(&ip_conntrack_lock)
+#define ASSERT_READ_LOCK(x)
+#define ASSERT_WRITE_LOCK(x)
#include <linux/netfilter_ipv4/ip_conntrack.h>
#include <linux/netfilter_ipv4/ip_conntrack_protocol.h>
static void *ct_seq_start(struct seq_file *seq, loff_t *pos)
{
- READ_LOCK(&ip_conntrack_lock);
+ read_lock_bh(&ip_conntrack_lock);
return ct_get_idx(seq, *pos);
}
static void ct_seq_stop(struct seq_file *s, void *v)
{
- READ_UNLOCK(&ip_conntrack_lock);
+ read_unlock_bh(&ip_conntrack_lock);
}
static int ct_seq_show(struct seq_file *s, void *v)
const struct ip_conntrack *conntrack = tuplehash_to_ctrack(hash);
struct ip_conntrack_protocol *proto;
- MUST_BE_READ_LOCKED(&ip_conntrack_lock);
+ ASSERT_READ_LOCK(&ip_conntrack_lock);
IP_NF_ASSERT(conntrack);
/* we only want to print DIR_ORIGINAL */
/* strange seq_file api calls stop even if we fail,
* thus we need to grab lock since stop unlocks */
- READ_LOCK(&ip_conntrack_lock);
+ read_lock_bh(&ip_conntrack_lock);
if (list_empty(e))
return NULL;
static void exp_seq_stop(struct seq_file *s, void *v)
{
- READ_UNLOCK(&ip_conntrack_lock);
+ read_unlock_bh(&ip_conntrack_lock);
}
static int exp_seq_show(struct seq_file *s, void *v)
{
int ret = 0;
- WRITE_LOCK(&ip_conntrack_lock);
+ write_lock_bh(&ip_conntrack_lock);
if (ip_ct_protos[proto->proto] != &ip_conntrack_generic_protocol) {
ret = -EBUSY;
goto out;
}
ip_ct_protos[proto->proto] = proto;
out:
- WRITE_UNLOCK(&ip_conntrack_lock);
+ write_unlock_bh(&ip_conntrack_lock);
return ret;
}
void ip_conntrack_protocol_unregister(struct ip_conntrack_protocol *proto)
{
- WRITE_LOCK(&ip_conntrack_lock);
+ write_lock_bh(&ip_conntrack_lock);
ip_ct_protos[proto->proto] = &ip_conntrack_generic_protocol;
- WRITE_UNLOCK(&ip_conntrack_lock);
+ write_unlock_bh(&ip_conntrack_lock);
/* Somebody could be still looking at the proto in bh. */
synchronize_net();
#include <linux/udp.h>
#include <linux/jhash.h>
-#define ASSERT_READ_LOCK(x) MUST_BE_READ_LOCKED(&ip_nat_lock)
-#define ASSERT_WRITE_LOCK(x) MUST_BE_WRITE_LOCKED(&ip_nat_lock)
+#define ASSERT_READ_LOCK(x)
+#define ASSERT_WRITE_LOCK(x)
#include <linux/netfilter_ipv4/ip_conntrack.h>
#include <linux/netfilter_ipv4/ip_conntrack_core.h>
#define DEBUGP(format, args...)
#endif
-DECLARE_RWLOCK(ip_nat_lock);
+DEFINE_RWLOCK(ip_nat_lock);
/* Calculated at init based on memory size */
static unsigned int ip_nat_htable_size;
if (!(conn->status & IPS_NAT_DONE_MASK))
return;
- WRITE_LOCK(&ip_nat_lock);
+ write_lock_bh(&ip_nat_lock);
list_del(&conn->nat.info.bysource);
- WRITE_UNLOCK(&ip_nat_lock);
+ write_unlock_bh(&ip_nat_lock);
}
/* We do checksum mangling, so if they were wrong before they're still
unsigned int h = hash_by_src(tuple);
struct ip_conntrack *ct;
- READ_LOCK(&ip_nat_lock);
+ read_lock_bh(&ip_nat_lock);
list_for_each_entry(ct, &bysource[h], nat.info.bysource) {
if (same_src(ct, tuple)) {
/* Copy source part from reply tuple. */
result->dst = tuple->dst;
if (in_range(result, range)) {
- READ_UNLOCK(&ip_nat_lock);
+ read_unlock_bh(&ip_nat_lock);
return 1;
}
}
}
- READ_UNLOCK(&ip_nat_lock);
+ read_unlock_bh(&ip_nat_lock);
return 0;
}
unsigned int srchash
= hash_by_src(&conntrack->tuplehash[IP_CT_DIR_ORIGINAL]
.tuple);
- WRITE_LOCK(&ip_nat_lock);
+ write_lock_bh(&ip_nat_lock);
list_add(&info->bysource, &bysource[srchash]);
- WRITE_UNLOCK(&ip_nat_lock);
+ write_unlock_bh(&ip_nat_lock);
}
/* It's done. */
{
int ret = 0;
- WRITE_LOCK(&ip_nat_lock);
+ write_lock_bh(&ip_nat_lock);
if (ip_nat_protos[proto->protonum] != &ip_nat_unknown_protocol) {
ret = -EBUSY;
goto out;
}
ip_nat_protos[proto->protonum] = proto;
out:
- WRITE_UNLOCK(&ip_nat_lock);
+ write_unlock_bh(&ip_nat_lock);
return ret;
}
/* Noone stores the protocol anywhere; simply delete it. */
void ip_nat_protocol_unregister(struct ip_nat_protocol *proto)
{
- WRITE_LOCK(&ip_nat_lock);
+ write_lock_bh(&ip_nat_lock);
ip_nat_protos[proto->protonum] = &ip_nat_unknown_protocol;
- WRITE_UNLOCK(&ip_nat_lock);
+ write_unlock_bh(&ip_nat_lock);
/* Someone could be still looking at the proto in a bh. */
synchronize_net();
return -ENOMEM;
/* Sew in builtin protocols. */
- WRITE_LOCK(&ip_nat_lock);
+ write_lock_bh(&ip_nat_lock);
for (i = 0; i < MAX_IP_NAT_PROTO; i++)
ip_nat_protos[i] = &ip_nat_unknown_protocol;
ip_nat_protos[IPPROTO_TCP] = &ip_nat_protocol_tcp;
ip_nat_protos[IPPROTO_UDP] = &ip_nat_protocol_udp;
ip_nat_protos[IPPROTO_ICMP] = &ip_nat_protocol_icmp;
- WRITE_UNLOCK(&ip_nat_lock);
+ write_unlock_bh(&ip_nat_lock);
for (i = 0; i < ip_nat_htable_size; i++) {
INIT_LIST_HEAD(&bysource[i]);
#include <net/tcp.h>
#include <net/udp.h>
-#define ASSERT_READ_LOCK(x) MUST_BE_READ_LOCKED(&ip_nat_lock)
-#define ASSERT_WRITE_LOCK(x) MUST_BE_WRITE_LOCKED(&ip_nat_lock)
+#define ASSERT_READ_LOCK(x)
+#define ASSERT_WRITE_LOCK(x)
#include <linux/netfilter_ipv4/ip_conntrack.h>
#include <linux/netfilter_ipv4/ip_conntrack_helper.h>
#define DUMP_OFFSET(x)
#endif
-static DECLARE_LOCK(ip_nat_seqofs_lock);
+static DEFINE_SPINLOCK(ip_nat_seqofs_lock);
/* Setup TCP sequence correction given this change at this sequence */
static inline void
DEBUGP("ip_nat_resize_packet: Seq_offset before: ");
DUMP_OFFSET(this_way);
- LOCK_BH(&ip_nat_seqofs_lock);
+ spin_lock_bh(&ip_nat_seqofs_lock);
/* SYN adjust. If it's uninitialized, or this is after last
* correction, record it: we don't handle more than one
this_way->offset_before = this_way->offset_after;
this_way->offset_after += sizediff;
}
- UNLOCK_BH(&ip_nat_seqofs_lock);
+ spin_unlock_bh(&ip_nat_seqofs_lock);
DEBUGP("ip_nat_resize_packet: Seq_offset after: ");
DUMP_OFFSET(this_way);
#include <net/route.h>
#include <linux/bitops.h>
-#define ASSERT_READ_LOCK(x) MUST_BE_READ_LOCKED(&ip_nat_lock)
-#define ASSERT_WRITE_LOCK(x) MUST_BE_WRITE_LOCKED(&ip_nat_lock)
+#define ASSERT_READ_LOCK(x)
+#define ASSERT_WRITE_LOCK(x)
#include <linux/netfilter_ipv4/ip_tables.h>
#include <linux/netfilter_ipv4/ip_nat.h>
#include <net/checksum.h>
#include <linux/spinlock.h>
-#define ASSERT_READ_LOCK(x) MUST_BE_READ_LOCKED(&ip_nat_lock)
-#define ASSERT_WRITE_LOCK(x) MUST_BE_WRITE_LOCKED(&ip_nat_lock)
+#define ASSERT_READ_LOCK(x)
+#define ASSERT_WRITE_LOCK(x)
#include <linux/netfilter_ipv4/ip_nat.h>
#include <linux/netfilter_ipv4/ip_nat_rule.h>
cleanup_rule_init:
ip_nat_rule_cleanup();
cleanup_nothing:
- MUST_BE_READ_WRITE_UNLOCKED(&ip_nat_lock);
return ret;
}
/* Must have mutex */
#define ASSERT_READ_LOCK(x) IP_NF_ASSERT(down_trylock(&ipt_mutex) != 0)
#define ASSERT_WRITE_LOCK(x) IP_NF_ASSERT(down_trylock(&ipt_mutex) != 0)
-#include <linux/netfilter_ipv4/lockhelp.h>
#include <linux/netfilter_ipv4/listhelp.h>
#if 0
#include <linux/netfilter_ipv4/ip_tables.h>
#include <linux/netfilter_ipv4/ipt_CLUSTERIP.h>
#include <linux/netfilter_ipv4/ip_conntrack.h>
-#include <linux/netfilter_ipv4/lockhelp.h>
#define CLUSTERIP_VERSION "0.6"
#define DEBUGP
#endif
+#define ASSERT_READ_LOCK(x)
+
MODULE_LICENSE("GPL");
MODULE_AUTHOR("Harald Welte <laforge@netfilter.org>");
MODULE_DESCRIPTION("iptables target for CLUSTERIP");
/* clusterip_lock protects the clusterip_configs list _AND_ the configurable
* data within all structurses (num_local_nodes, local_nodes[]) */
-static DECLARE_RWLOCK(clusterip_lock);
+static DEFINE_RWLOCK(clusterip_lock);
#ifdef CONFIG_PROC_FS
static struct file_operations clusterip_proc_fops;
static inline void
clusterip_config_put(struct clusterip_config *c) {
if (atomic_dec_and_test(&c->refcount)) {
- WRITE_LOCK(&clusterip_lock);
+ write_lock_bh(&clusterip_lock);
list_del(&c->list);
- WRITE_UNLOCK(&clusterip_lock);
+ write_unlock_bh(&clusterip_lock);
dev_mc_delete(c->dev, c->clustermac, ETH_ALEN, 0);
dev_put(c->dev);
kfree(c);
{
struct list_head *pos;
- MUST_BE_READ_LOCKED(&clusterip_lock);
+ ASSERT_READ_LOCK(&clusterip_lock);
list_for_each(pos, &clusterip_configs) {
struct clusterip_config *c = list_entry(pos,
struct clusterip_config, list);
{
struct clusterip_config *c;
- READ_LOCK(&clusterip_lock);
+ read_lock_bh(&clusterip_lock);
c = __clusterip_config_find(clusterip);
if (!c) {
- READ_UNLOCK(&clusterip_lock);
+ read_unlock_bh(&clusterip_lock);
return NULL;
}
atomic_inc(&c->refcount);
- READ_UNLOCK(&clusterip_lock);
+ read_unlock_bh(&clusterip_lock);
return c;
}
c->pde->data = c;
#endif
- WRITE_LOCK(&clusterip_lock);
+ write_lock_bh(&clusterip_lock);
list_add(&c->list, &clusterip_configs);
- WRITE_UNLOCK(&clusterip_lock);
+ write_unlock_bh(&clusterip_lock);
return c;
}
{
int i;
- WRITE_LOCK(&clusterip_lock);
+ write_lock_bh(&clusterip_lock);
if (c->num_local_nodes >= CLUSTERIP_MAX_NODES
|| nodenum > CLUSTERIP_MAX_NODES) {
- WRITE_UNLOCK(&clusterip_lock);
+ write_unlock_bh(&clusterip_lock);
return 1;
}
/* check if we alrady have this number in our array */
for (i = 0; i < c->num_local_nodes; i++) {
if (c->local_nodes[i] == nodenum) {
- WRITE_UNLOCK(&clusterip_lock);
+ write_unlock_bh(&clusterip_lock);
return 1;
}
}
c->local_nodes[c->num_local_nodes++] = nodenum;
- WRITE_UNLOCK(&clusterip_lock);
+ write_unlock_bh(&clusterip_lock);
return 0;
}
{
int i;
- WRITE_LOCK(&clusterip_lock);
+ write_lock_bh(&clusterip_lock);
if (c->num_local_nodes <= 1 || nodenum > CLUSTERIP_MAX_NODES) {
- WRITE_UNLOCK(&clusterip_lock);
+ write_unlock_bh(&clusterip_lock);
return 1;
}
int size = sizeof(u_int16_t)*(c->num_local_nodes-(i+1));
memmove(&c->local_nodes[i], &c->local_nodes[i+1], size);
c->num_local_nodes--;
- WRITE_UNLOCK(&clusterip_lock);
+ write_unlock_bh(&clusterip_lock);
return 0;
}
}
- WRITE_UNLOCK(&clusterip_lock);
+ write_unlock_bh(&clusterip_lock);
return 1;
}
{
int i;
- READ_LOCK(&clusterip_lock);
+ read_lock_bh(&clusterip_lock);
if (config->num_local_nodes == 0) {
- READ_UNLOCK(&clusterip_lock);
+ read_unlock_bh(&clusterip_lock);
return 0;
}
for (i = 0; i < config->num_local_nodes; i++) {
if (config->local_nodes[i] == hash) {
- READ_UNLOCK(&clusterip_lock);
+ read_unlock_bh(&clusterip_lock);
return 1;
}
}
- READ_UNLOCK(&clusterip_lock);
+ read_unlock_bh(&clusterip_lock);
return 0;
}
struct clusterip_config *c = pde->data;
unsigned int *nodeidx;
- READ_LOCK(&clusterip_lock);
+ read_lock_bh(&clusterip_lock);
if (*pos >= c->num_local_nodes)
return NULL;
{
kfree(v);
- READ_UNLOCK(&clusterip_lock);
+ read_unlock_bh(&clusterip_lock);
}
static int clusterip_seq_show(struct seq_file *s, void *v)
#endif
/* Lock protects masq region inside conntrack */
-static DECLARE_RWLOCK(masq_lock);
+static DEFINE_RWLOCK(masq_lock);
/* FIXME: Multiple targets. --RR */
static int
return NF_DROP;
}
- WRITE_LOCK(&masq_lock);
+ write_lock_bh(&masq_lock);
ct->nat.masq_index = out->ifindex;
- WRITE_UNLOCK(&masq_lock);
+ write_unlock_bh(&masq_lock);
/* Transfer from original range. */
newrange = ((struct ip_nat_range)
{
int ret;
- READ_LOCK(&masq_lock);
+ read_lock_bh(&masq_lock);
ret = (i->nat.masq_index == (int)(long)ifindex);
- READ_UNLOCK(&masq_lock);
+ read_unlock_bh(&masq_lock);
return ret;
}
#include <linux/netfilter.h>
#include <linux/netfilter_ipv4/ip_tables.h>
#include <linux/netfilter_ipv4/ipt_ULOG.h>
-#include <linux/netfilter_ipv4/lockhelp.h>
#include <net/sock.h>
#include <linux/bitops.h>
static ulog_buff_t ulog_buffers[ULOG_MAXNLGROUPS]; /* array of buffers */
-static struct sock *nflognl; /* our socket */
-static DECLARE_LOCK(ulog_lock); /* spinlock */
+static struct sock *nflognl; /* our socket */
+static DEFINE_SPINLOCK(ulog_lock); /* spinlock */
/* send one ulog_buff_t to userspace */
static void ulog_send(unsigned int nlgroupnum)
/* lock to protect against somebody modifying our structure
* from ipt_ulog_target at the same time */
- LOCK_BH(&ulog_lock);
+ spin_lock_bh(&ulog_lock);
ulog_send(data);
- UNLOCK_BH(&ulog_lock);
+ spin_unlock_bh(&ulog_lock);
}
static struct sk_buff *ulog_alloc_skb(unsigned int size)
ub = &ulog_buffers[groupnum];
- LOCK_BH(&ulog_lock);
+ spin_lock_bh(&ulog_lock);
if (!ub->skb) {
if (!(ub->skb = ulog_alloc_skb(size)))
ulog_send(groupnum);
}
- UNLOCK_BH(&ulog_lock);
+ spin_unlock_bh(&ulog_lock);
return;
alloc_failure:
PRINTR("ipt_ULOG: Error building netlink message\n");
- UNLOCK_BH(&ulog_lock);
+ spin_unlock_bh(&ulog_lock);
}
static unsigned int ipt_ulog_target(struct sk_buff **pskb,
#include <linux/netfilter_ipv4/ip_tables.h>
#include <linux/netfilter_ipv4/ipt_hashlimit.h>
-#include <linux/netfilter_ipv4/lockhelp.h>
/* FIXME: this is just for IP_NF_ASSERRT */
#include <linux/netfilter_ipv4/ip_conntrack.h>
struct hlist_head hash[0]; /* hashtable itself */
};
-static DECLARE_LOCK(hashlimit_lock); /* protects htables list */
+static DEFINE_SPINLOCK(hashlimit_lock); /* protects htables list */
static DECLARE_MUTEX(hlimit_mutex); /* additional checkentry protection */
static HLIST_HEAD(hashlimit_htables);
static kmem_cache_t *hashlimit_cachep;
hinfo->timer.function = htable_gc;
add_timer(&hinfo->timer);
- LOCK_BH(&hashlimit_lock);
+ spin_lock_bh(&hashlimit_lock);
hlist_add_head(&hinfo->node, &hashlimit_htables);
- UNLOCK_BH(&hashlimit_lock);
+ spin_unlock_bh(&hashlimit_lock);
return 0;
}
struct ipt_hashlimit_htable *hinfo;
struct hlist_node *pos;
- LOCK_BH(&hashlimit_lock);
+ spin_lock_bh(&hashlimit_lock);
hlist_for_each_entry(hinfo, pos, &hashlimit_htables, node) {
if (!strcmp(name, hinfo->pde->name)) {
atomic_inc(&hinfo->use);
- UNLOCK_BH(&hashlimit_lock);
+ spin_unlock_bh(&hashlimit_lock);
return hinfo;
}
}
- UNLOCK_BH(&hashlimit_lock);
+ spin_unlock_bh(&hashlimit_lock);
return NULL;
}
static void htable_put(struct ipt_hashlimit_htable *hinfo)
{
if (atomic_dec_and_test(&hinfo->use)) {
- LOCK_BH(&hashlimit_lock);
+ spin_lock_bh(&hashlimit_lock);
hlist_del(&hinfo->node);
- UNLOCK_BH(&hashlimit_lock);
+ spin_unlock_bh(&hashlimit_lock);
htable_destroy(hinfo);
}
}
return ret;
}
- READ_LOCK(&ip_conntrack_lock);
+ read_lock_bh(&ip_conntrack_lock);
if (!ct->master->helper) {
DEBUGP("ipt_helper: master ct %p has no helper\n",
exp->expectant);
ret ^= !strncmp(ct->master->helper->name, info->name,
strlen(ct->master->helper->name));
out_unlock:
- READ_UNLOCK(&ip_conntrack_lock);
+ read_unlock_bh(&ip_conntrack_lock);
return ret;
}
/* Must have mutex */
#define ASSERT_READ_LOCK(x) IP_NF_ASSERT(down_trylock(&ip6t_mutex) != 0)
#define ASSERT_WRITE_LOCK(x) IP_NF_ASSERT(down_trylock(&ip6t_mutex) != 0)
-#include <linux/netfilter_ipv4/lockhelp.h>
#include <linux/netfilter_ipv4/listhelp.h>
#if 0
projects / linux-2.6 / commitdiff