blob: e6788d281d0ef4a1a7ca83e3e4be2fcff33d7d3f [file] [log] [blame]
* Linux WiMAX
* Implement and export a method for getting a WiMAX device current state
* Copyright (C) 2009 Paulius Zaleckas <>
* Based on previous WiMAX core work by:
* Copyright (C) 2008 Intel Corporation <>
* Inaky Perez-Gonzalez <>
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License version
* 2 as published by the Free Software Foundation.
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* GNU General Public License for more details.
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
* 02110-1301, USA.
#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);
d_fnend(3, NULL, "(skb %p info %p) = %d\n", skb, info, result);
return result;