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wlcore: handle smart config vendor commands

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userspace can ask to perform various smart config
actions via custom vendor commands.

Signed-off-by: Eliad Peller <eliad@wizery.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Eliad Peller 2014-07-11 03:01:32 +03:00 committed by John W. Linville
parent ccb1df9480
commit 80ff8063e8
3 changed files with 221 additions and 1 deletions
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2
drivers/net/wireless/ti/wlcore/Makefile
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@ -1,5 +1,5 @@
wlcore-objs = main.o cmd.o io.o event.o tx.o rx.o ps.o acx.o \
boot.o init.o debugfs.o scan.o sysfs.o
boot.o init.o debugfs.o scan.o sysfs.o vendor_cmd.o
wlcore_spi-objs = spi.o
wlcore_sdio-objs = sdio.o

184
drivers/net/wireless/ti/wlcore/vendor_cmd.c Normal file
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@ -0,0 +1,184 @@
/*
* This file is part of wlcore
*
* Copyright (C) 2014 Texas Instruments. All rights reserved.
*
* 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.
*/
#include <net/mac80211.h>
#include <net/netlink.h>
#include "wlcore.h"
#include "debug.h"
#include "ps.h"
#include "hw_ops.h"
#include "vendor_cmd.h"
static const
struct nla_policy wlcore_vendor_attr_policy[NUM_WLCORE_VENDOR_ATTR] = {
[WLCORE_VENDOR_ATTR_FREQ] = { .type = NLA_U32 },
[WLCORE_VENDOR_ATTR_GROUP_ID] = { .type = NLA_U32 },
[WLCORE_VENDOR_ATTR_GROUP_KEY] = { .type = NLA_U32,
.len = WLAN_MAX_KEY_LEN },
};
static int
wlcore_vendor_cmd_smart_config_start(struct wiphy *wiphy,
struct wireless_dev *wdev,
const void *data, int data_len)
{
struct ieee80211_hw *hw = wiphy_to_ieee80211_hw(wiphy);
struct wl1271 *wl = hw->priv;
struct nlattr *tb[NUM_WLCORE_VENDOR_ATTR];
int ret;
wl1271_debug(DEBUG_CMD, "vendor cmd smart config start");
if (!data)
return -EINVAL;
ret = nla_parse(tb, MAX_WLCORE_VENDOR_ATTR, data, data_len,
wlcore_vendor_attr_policy);
if (ret)
return ret;
if (!tb[WLCORE_VENDOR_ATTR_GROUP_ID])
return -EINVAL;
mutex_lock(&wl->mutex);
if (unlikely(wl->state != WLCORE_STATE_ON)) {
ret = -EINVAL;
goto out;
}
ret = wl1271_ps_elp_wakeup(wl);
if (ret < 0)
goto out;
ret = wlcore_smart_config_start(wl,
nla_get_u32(tb[WLCORE_VENDOR_ATTR_GROUP_ID]));
wl1271_ps_elp_sleep(wl);
out:
mutex_unlock(&wl->mutex);
return 0;
}
static int
wlcore_vendor_cmd_smart_config_stop(struct wiphy *wiphy,
struct wireless_dev *wdev,
const void *data, int data_len)
{
struct ieee80211_hw *hw = wiphy_to_ieee80211_hw(wiphy);
struct wl1271 *wl = hw->priv;
int ret;
wl1271_debug(DEBUG_CMD, "testmode cmd smart config stop");
mutex_lock(&wl->mutex);
if (unlikely(wl->state != WLCORE_STATE_ON)) {
ret = -EINVAL;
goto out;
}
ret = wl1271_ps_elp_wakeup(wl);
if (ret < 0)
goto out;
ret = wlcore_smart_config_stop(wl);
wl1271_ps_elp_sleep(wl);
out:
mutex_unlock(&wl->mutex);
return ret;
}
static int
wlcore_vendor_cmd_smart_config_set_group_key(struct wiphy *wiphy,
struct wireless_dev *wdev,
const void *data, int data_len)
{
struct ieee80211_hw *hw = wiphy_to_ieee80211_hw(wiphy);
struct wl1271 *wl = hw->priv;
struct nlattr *tb[NUM_WLCORE_VENDOR_ATTR];
int ret;
wl1271_debug(DEBUG_CMD, "testmode cmd smart config set group key");
if (!data)
return -EINVAL;
ret = nla_parse(tb, MAX_WLCORE_VENDOR_ATTR, data, data_len,
wlcore_vendor_attr_policy);
if (ret)
return ret;
if (!tb[WLCORE_VENDOR_ATTR_GROUP_ID] ||
!tb[WLCORE_VENDOR_ATTR_GROUP_KEY])
return -EINVAL;
mutex_lock(&wl->mutex);
if (unlikely(wl->state != WLCORE_STATE_ON)) {
ret = -EINVAL;
goto out;
}
ret = wl1271_ps_elp_wakeup(wl);
if (ret < 0)
goto out;
ret = wlcore_smart_config_set_group_key(wl,
nla_get_u32(tb[WLCORE_VENDOR_ATTR_GROUP_ID]),
nla_len(tb[WLCORE_VENDOR_ATTR_GROUP_KEY]),
nla_data(tb[WLCORE_VENDOR_ATTR_GROUP_KEY]));
wl1271_ps_elp_sleep(wl);
out:
mutex_unlock(&wl->mutex);
return ret;
}
static const struct wiphy_vendor_command wlcore_vendor_commands[] = {
{
.info = {
.vendor_id = TI_OUI,
.subcmd = WLCORE_VENDOR_CMD_SMART_CONFIG_START,
},
.flags = WIPHY_VENDOR_CMD_NEED_NETDEV |
WIPHY_VENDOR_CMD_NEED_RUNNING,
.doit = wlcore_vendor_cmd_smart_config_start,
},
{
.info = {
.vendor_id = TI_OUI,
.subcmd = WLCORE_VENDOR_CMD_SMART_CONFIG_STOP,
},
.flags = WIPHY_VENDOR_CMD_NEED_NETDEV |
WIPHY_VENDOR_CMD_NEED_RUNNING,
.doit = wlcore_vendor_cmd_smart_config_stop,
},
{
.info = {
.vendor_id = TI_OUI,
.subcmd = WLCORE_VENDOR_CMD_SMART_CONFIG_SET_GROUP_KEY,
},
.flags = WIPHY_VENDOR_CMD_NEED_NETDEV |
WIPHY_VENDOR_CMD_NEED_RUNNING,
.doit = wlcore_vendor_cmd_smart_config_set_group_key,
},
};
void wlcore_set_vendor_commands(struct wiphy *wiphy)
{
wiphy->vendor_commands = wlcore_vendor_commands;
wiphy->n_vendor_commands = ARRAY_SIZE(wlcore_vendor_commands);
}

36
drivers/net/wireless/ti/wlcore/vendor_cmd.h Normal file
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@ -0,0 +1,36 @@
/*
* This file is part of wlcore
*
* Copyright (C) 2014 Texas Instruments. All rights reserved.
*
* 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.
*/
#ifndef __WLCORE_VENDOR_H__
#define __WLCORE_VENDOR_H__
#define TI_OUI 0x080028
enum wlcore_vendor_commands {
WLCORE_VENDOR_CMD_SMART_CONFIG_START,
WLCORE_VENDOR_CMD_SMART_CONFIG_STOP,
WLCORE_VENDOR_CMD_SMART_CONFIG_SET_GROUP_KEY,
NUM_WLCORE_VENDOR_CMD,
MAX_WLCORE_VENDOR_CMD = NUM_WLCORE_VENDOR_CMD - 1
};
enum wlcore_vendor_attributes {
WLCORE_VENDOR_ATTR_FREQ,
WLCORE_VENDOR_ATTR_PSK,
WLCORE_VENDOR_ATTR_SSID,
WLCORE_VENDOR_ATTR_GROUP_ID,
WLCORE_VENDOR_ATTR_GROUP_KEY,
NUM_WLCORE_VENDOR_ATTR,
MAX_WLCORE_VENDOR_ATTR = NUM_WLCORE_VENDOR_ATTR - 1
};
#endif /* __WLCORE_VENDOR_H__ */