6b13f685e
김민수
BSP 최초 추가
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#include <linux/device.h>
#include <net/genetlink.h>
#include <linux/netdevice.h>
#include <linux/list.h>
#include <linux/wimax.h>
#include "wimax-internal.h"
#define D_SUBMODULE id_table
#include "debug-levels.h"
static DEFINE_SPINLOCK(wimax_id_table_lock);
static struct list_head wimax_id_table = LIST_HEAD_INIT(wimax_id_table);
void wimax_id_table_add(struct wimax_dev *wimax_dev)
{
d_fnstart(3, NULL, "(wimax_dev %p)
", wimax_dev);
spin_lock(&wimax_id_table_lock);
list_add(&wimax_dev->id_table_node, &wimax_id_table);
spin_unlock(&wimax_id_table_lock);
d_fnend(3, NULL, "(wimax_dev %p)
", wimax_dev);
}
struct wimax_dev *wimax_dev_get_by_genl_info(
struct genl_info *info, int ifindex)
{
struct wimax_dev *wimax_dev = NULL;
d_fnstart(3, NULL, "(info %p ifindex %d)
", info, ifindex);
spin_lock(&wimax_id_table_lock);
list_for_each_entry(wimax_dev, &wimax_id_table, id_table_node) {
if (wimax_dev->net_dev->ifindex == ifindex) {
dev_hold(wimax_dev->net_dev);
goto found;
}
}
wimax_dev = NULL;
d_printf(1, NULL, "wimax: no devices found with ifindex %d
",
ifindex);
found:
spin_unlock(&wimax_id_table_lock);
d_fnend(3, NULL, "(info %p ifindex %d) = %p
",
info, ifindex, wimax_dev);
return wimax_dev;
}
void wimax_id_table_rm(struct wimax_dev *wimax_dev)
{
spin_lock(&wimax_id_table_lock);
list_del_init(&wimax_dev->id_table_node);
spin_unlock(&wimax_id_table_lock);
}
void wimax_id_table_release(void)
{
struct wimax_dev *wimax_dev;
#ifndef CONFIG_BUG
return;
#endif
spin_lock(&wimax_id_table_lock);
list_for_each_entry(wimax_dev, &wimax_id_table, id_table_node) {
printk(KERN_ERR "BUG: %s wimax_dev %p ifindex %d not cleared
",
__func__, wimax_dev, wimax_dev->net_dev->ifindex);
WARN_ON(1);
}
spin_unlock(&wimax_id_table_lock);
}
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