mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
synced 2024-09-12 13:55:32 +00:00
81 lines
1.7 KiB
C
81 lines
1.7 KiB
C
![]() |
// SPDX-License-Identifier: GPL-2.0-only
|
||
|
#include <linux/kernel.h>
|
||
|
#include <linux/proc_fs.h>
|
||
|
#include <net/netfilter/nf_flow_table.h>
|
||
|
|
||
|
static void *nf_flow_table_cpu_seq_start(struct seq_file *seq, loff_t *pos)
|
||
|
{
|
||
|
struct net *net = seq_file_net(seq);
|
||
|
int cpu;
|
||
|
|
||
|
if (*pos == 0)
|
||
|
return SEQ_START_TOKEN;
|
||
|
|
||
|
for (cpu = *pos - 1; cpu < nr_cpu_ids; ++cpu) {
|
||
|
if (!cpu_possible(cpu))
|
||
|
continue;
|
||
|
*pos = cpu + 1;
|
||
|
return per_cpu_ptr(net->ft.stat, cpu);
|
||
|
}
|
||
|
|
||
|
return NULL;
|
||
|
}
|
||
|
|
||
|
static void *nf_flow_table_cpu_seq_next(struct seq_file *seq, void *v, loff_t *pos)
|
||
|
{
|
||
|
struct net *net = seq_file_net(seq);
|
||
|
int cpu;
|
||
|
|
||
|
for (cpu = *pos; cpu < nr_cpu_ids; ++cpu) {
|
||
|
if (!cpu_possible(cpu))
|
||
|
continue;
|
||
|
*pos = cpu + 1;
|
||
|
return per_cpu_ptr(net->ft.stat, cpu);
|
||
|
}
|
||
|
(*pos)++;
|
||
|
return NULL;
|
||
|
}
|
||
|
|
||
|
static void nf_flow_table_cpu_seq_stop(struct seq_file *seq, void *v)
|
||
|
{
|
||
|
}
|
||
|
|
||
|
static int nf_flow_table_cpu_seq_show(struct seq_file *seq, void *v)
|
||
|
{
|
||
|
const struct nf_flow_table_stat *st = v;
|
||
|
|
||
|
if (v == SEQ_START_TOKEN) {
|
||
|
seq_puts(seq, "wq_add wq_del wq_stats\n");
|
||
|
return 0;
|
||
|
}
|
||
|
|
||
|
seq_printf(seq, "%8d %8d %8d\n",
|
||
|
st->count_wq_add,
|
||
|
st->count_wq_del,
|
||
|
st->count_wq_stats
|
||
|
);
|
||
|
return 0;
|
||
|
}
|
||
|
|
||
|
static const struct seq_operations nf_flow_table_cpu_seq_ops = {
|
||
|
.start = nf_flow_table_cpu_seq_start,
|
||
|
.next = nf_flow_table_cpu_seq_next,
|
||
|
.stop = nf_flow_table_cpu_seq_stop,
|
||
|
.show = nf_flow_table_cpu_seq_show,
|
||
|
};
|
||
|
|
||
|
int nf_flow_table_init_proc(struct net *net)
|
||
|
{
|
||
|
struct proc_dir_entry *pde;
|
||
|
|
||
|
pde = proc_create_net("nf_flowtable", 0444, net->proc_net_stat,
|
||
|
&nf_flow_table_cpu_seq_ops,
|
||
|
sizeof(struct seq_net_private));
|
||
|
return pde ? 0 : -ENOMEM;
|
||
|
}
|
||
|
|
||
|
void nf_flow_table_fini_proc(struct net *net)
|
||
|
{
|
||
|
remove_proc_entry("nf_flowtable", net->proc_net_stat);
|
||
|
}
|