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// SPDX-License-Identifier: GPL-2.0-only
/*
* Linux WiMAX
* Implement and export a method for getting a WiMAX device current state
*
* Copyright (C) 2009 Paulius Zaleckas <paulius.zaleckas@teltonika.lt>
*
* Based on previous WiMAX core work by:
* Copyright (C) 2008 Intel Corporation <linux-wimax@intel.com>
* Inaky Perez-Gonzalez <inaky.perez-gonzalez@intel.com>
*/
#include <net/wimax.h>
#include <net/genetlink.h>
#include <linux/wimax.h>
#include <linux/security.h>
#include "wimax-internal.h"
#define D_SUBMODULE op_state_get
#include "debug-levels.h"
/*
* Exporting to user space over generic netlink
*
* Parse the state get command from user space, return a combination
* value that describe the current state.
*
* No attributes.
*/
int wimax_gnl_doit_state_get(struct sk_buff *skb, struct genl_info *info)
{
int result, ifindex;
struct wimax_dev *wimax_dev;
d_fnstart(3, NULL, "(skb %p info %p)\n", skb, info);
result = -ENODEV;
if (info->attrs[WIMAX_GNL_STGET_IFIDX] == NULL) {
pr_err("WIMAX_GNL_OP_STATE_GET: can't find IFIDX attribute\n");
goto error_no_wimax_dev;
}
ifindex = nla_get_u32(info->attrs[WIMAX_GNL_STGET_IFIDX]);
wimax_dev = wimax_dev_get_by_genl_info(info, ifindex);
if (wimax_dev == NULL)
goto error_no_wimax_dev;
/* Execute the operation and send the result back to user space */
result = wimax_state_get(wimax_dev);
dev_put(wimax_dev->net_dev);
error_no_wimax_dev:
d_fnend(3, NULL, "(skb %p info %p) = %d\n", skb, info, result);
return result;
}
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