#include <linux/proc_fs.h>
#include <linux/seq_file.h>
#include <linux/percpu.h>
+#include <net/net_namespace.h>
#include <linux/netfilter.h>
#include <net/netfilter/nf_conntrack_core.h>
#include <net/netfilter/nf_conntrack_l4proto.h>
#include <net/netfilter/nf_conntrack_expect.h>
-#if 0
-#define DEBUGP printk
-#else
-#define DEBUGP(format, args...)
-#endif
-
#ifdef CONFIG_NF_CT_ACCT
static unsigned int
seq_print_counters(struct seq_file *s,
unsigned int bucket;
};
-static struct list_head *ct_get_first(struct seq_file *seq)
+static struct hlist_node *ct_get_first(struct seq_file *seq)
{
struct ct_iter_state *st = seq->private;
for (st->bucket = 0;
st->bucket < nf_conntrack_htable_size;
st->bucket++) {
- if (!list_empty(&nf_conntrack_hash[st->bucket]))
- return nf_conntrack_hash[st->bucket].next;
+ if (!hlist_empty(&nf_conntrack_hash[st->bucket]))
+ return nf_conntrack_hash[st->bucket].first;
}
return NULL;
}
-static struct list_head *ct_get_next(struct seq_file *seq, struct list_head *head)
+static struct hlist_node *ct_get_next(struct seq_file *seq,
+ struct hlist_node *head)
{
struct ct_iter_state *st = seq->private;
head = head->next;
- while (head == &nf_conntrack_hash[st->bucket]) {
+ while (head == NULL) {
if (++st->bucket >= nf_conntrack_htable_size)
return NULL;
- head = nf_conntrack_hash[st->bucket].next;
+ head = nf_conntrack_hash[st->bucket].first;
}
return head;
}
-static struct list_head *ct_get_idx(struct seq_file *seq, loff_t pos)
+static struct hlist_node *ct_get_idx(struct seq_file *seq, loff_t pos)
{
- struct list_head *head = ct_get_first(seq);
+ struct hlist_node *head = ct_get_first(seq);
if (head)
while (pos && (head = ct_get_next(seq, head)))
return 0;
}
-static struct seq_operations ct_seq_ops = {
+static const struct seq_operations ct_seq_ops = {
.start = ct_seq_start,
.next = ct_seq_next,
.stop = ct_seq_stop,
struct ct_iter_state *st;
int ret;
- st = kmalloc(sizeof(struct ct_iter_state), GFP_KERNEL);
+ st = kzalloc(sizeof(struct ct_iter_state), GFP_KERNEL);
if (st == NULL)
return -ENOMEM;
ret = seq_open(file, &ct_seq_ops);
goto out_free;
seq = file->private_data;
seq->private = st;
- memset(st, 0, sizeof(struct ct_iter_state));
return ret;
out_free:
kfree(st);
};
/* expects */
-static void *exp_seq_start(struct seq_file *s, loff_t *pos)
+struct ct_expect_iter_state {
+ unsigned int bucket;
+};
+
+static struct hlist_node *ct_expect_get_first(struct seq_file *seq)
{
- struct list_head *e = &nf_conntrack_expect_list;
- loff_t i;
+ struct ct_expect_iter_state *st = seq->private;
- /* strange seq_file api calls stop even if we fail,
- * thus we need to grab lock since stop unlocks */
- read_lock_bh(&nf_conntrack_lock);
+ for (st->bucket = 0; st->bucket < nf_ct_expect_hsize; st->bucket++) {
+ if (!hlist_empty(&nf_ct_expect_hash[st->bucket]))
+ return nf_ct_expect_hash[st->bucket].first;
+ }
+ return NULL;
+}
- if (list_empty(e))
- return NULL;
+static struct hlist_node *ct_expect_get_next(struct seq_file *seq,
+ struct hlist_node *head)
+{
+ struct ct_expect_iter_state *st = seq->private;
- for (i = 0; i <= *pos; i++) {
- e = e->next;
- if (e == &nf_conntrack_expect_list)
+ head = head->next;
+ while (head == NULL) {
+ if (++st->bucket >= nf_ct_expect_hsize)
return NULL;
+ head = nf_ct_expect_hash[st->bucket].first;
}
- return e;
+ return head;
}
-static void *exp_seq_next(struct seq_file *s, void *v, loff_t *pos)
+static struct hlist_node *ct_expect_get_idx(struct seq_file *seq, loff_t pos)
{
- struct list_head *e = v;
+ struct hlist_node *head = ct_expect_get_first(seq);
- ++*pos;
- e = e->next;
+ if (head)
+ while (pos && (head = ct_expect_get_next(seq, head)))
+ pos--;
+ return pos ? NULL : head;
+}
- if (e == &nf_conntrack_expect_list)
- return NULL;
+static void *exp_seq_start(struct seq_file *seq, loff_t *pos)
+{
+ read_lock_bh(&nf_conntrack_lock);
+ return ct_expect_get_idx(seq, *pos);
+}
- return e;
+static void *exp_seq_next(struct seq_file *seq, void *v, loff_t *pos)
+{
+ (*pos)++;
+ return ct_expect_get_next(seq, v);
}
-static void exp_seq_stop(struct seq_file *s, void *v)
+static void exp_seq_stop(struct seq_file *seq, void *v)
{
read_unlock_bh(&nf_conntrack_lock);
}
static int exp_seq_show(struct seq_file *s, void *v)
{
- struct nf_conntrack_expect *exp = v;
+ struct nf_conntrack_expect *exp;
+ struct hlist_node *n = v;
+
+ exp = hlist_entry(n, struct nf_conntrack_expect, hnode);
if (exp->tuple.src.l3num != AF_INET)
return 0;
return seq_putc(s, '\n');
}
-static struct seq_operations exp_seq_ops = {
+static const struct seq_operations exp_seq_ops = {
.start = exp_seq_start,
.next = exp_seq_next,
.stop = exp_seq_stop,
static int exp_open(struct inode *inode, struct file *file)
{
- return seq_open(file, &exp_seq_ops);
+ struct seq_file *seq;
+ struct ct_expect_iter_state *st;
+ int ret;
+
+ st = kzalloc(sizeof(struct ct_expect_iter_state), GFP_KERNEL);
+ if (!st)
+ return -ENOMEM;
+ ret = seq_open(file, &exp_seq_ops);
+ if (ret)
+ goto out_free;
+ seq = file->private_data;
+ seq->private = st;
+ return ret;
+out_free:
+ kfree(st);
+ return ret;
}
static const struct file_operations ip_exp_file_ops = {
.open = exp_open,
.read = seq_read,
.llseek = seq_lseek,
- .release = seq_release
+ .release = seq_release_private,
};
static void *ct_cpu_seq_start(struct seq_file *seq, loff_t *pos)
return 0;
}
-static struct seq_operations ct_cpu_seq_ops = {
+static const struct seq_operations ct_cpu_seq_ops = {
.start = ct_cpu_seq_start,
.next = ct_cpu_seq_next,
.stop = ct_cpu_seq_stop,
{
struct proc_dir_entry *proc, *proc_exp, *proc_stat;
- proc = proc_net_fops_create("ip_conntrack", 0440, &ct_file_ops);
+ proc = proc_net_fops_create(&init_net, "ip_conntrack", 0440, &ct_file_ops);
if (!proc)
goto err1;
- proc_exp = proc_net_fops_create("ip_conntrack_expect", 0440,
+ proc_exp = proc_net_fops_create(&init_net, "ip_conntrack_expect", 0440,
&ip_exp_file_ops);
if (!proc_exp)
goto err2;
- proc_stat = create_proc_entry("ip_conntrack", S_IRUGO, proc_net_stat);
+ proc_stat = create_proc_entry("ip_conntrack", S_IRUGO, init_net.proc_net_stat);
if (!proc_stat)
goto err3;
return 0;
err3:
- proc_net_remove("ip_conntrack_expect");
+ proc_net_remove(&init_net, "ip_conntrack_expect");
err2:
- proc_net_remove("ip_conntrack");
+ proc_net_remove(&init_net, "ip_conntrack");
err1:
return -ENOMEM;
}
void __exit nf_conntrack_ipv4_compat_fini(void)
{
- remove_proc_entry("ip_conntrack", proc_net_stat);
- proc_net_remove("ip_conntrack_expect");
- proc_net_remove("ip_conntrack");
+ remove_proc_entry("ip_conntrack", init_net.proc_net_stat);
+ proc_net_remove(&init_net, "ip_conntrack_expect");
+ proc_net_remove(&init_net, "ip_conntrack");
}
projects / GitHub / mt8127 / android_kernel_alcatel_ttab.git / blobdiff