mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
synced 2024-08-24 17:59:32 +00:00
![Pontus Fuchs](/assets/img/avatar_default.png)
Commit 80900d0140
accidently broke
the ABI for testmode commands. Restore the ABI again.
Signed-off-by: Pontus Fuchs <pontus.fuchs@gmail.com>
Cc: stable@kernel.org
Signed-off-by: Luciano Coelho <coelho@ti.com>
294 lines
6.2 KiB
C
294 lines
6.2 KiB
C
/*
|
|
* This file is part of wl1271
|
|
*
|
|
* Copyright (C) 2010 Nokia Corporation
|
|
*
|
|
* Contact: Luciano Coelho <luciano.coelho@nokia.com>
|
|
*
|
|
* 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
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 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 St, Fifth Floor, Boston, MA
|
|
* 02110-1301 USA
|
|
*
|
|
*/
|
|
#include "testmode.h"
|
|
|
|
#include <linux/slab.h>
|
|
#include <net/genetlink.h>
|
|
|
|
#include "wl12xx.h"
|
|
#include "debug.h"
|
|
#include "acx.h"
|
|
#include "reg.h"
|
|
#include "ps.h"
|
|
|
|
#define WL1271_TM_MAX_DATA_LENGTH 1024
|
|
|
|
enum wl1271_tm_commands {
|
|
WL1271_TM_CMD_UNSPEC,
|
|
WL1271_TM_CMD_TEST,
|
|
WL1271_TM_CMD_INTERROGATE,
|
|
WL1271_TM_CMD_CONFIGURE,
|
|
WL1271_TM_CMD_NVS_PUSH, /* Not in use. Keep to not break ABI */
|
|
WL1271_TM_CMD_SET_PLT_MODE,
|
|
WL1271_TM_CMD_RECOVER,
|
|
|
|
__WL1271_TM_CMD_AFTER_LAST
|
|
};
|
|
#define WL1271_TM_CMD_MAX (__WL1271_TM_CMD_AFTER_LAST - 1)
|
|
|
|
enum wl1271_tm_attrs {
|
|
WL1271_TM_ATTR_UNSPEC,
|
|
WL1271_TM_ATTR_CMD_ID,
|
|
WL1271_TM_ATTR_ANSWER,
|
|
WL1271_TM_ATTR_DATA,
|
|
WL1271_TM_ATTR_IE_ID,
|
|
WL1271_TM_ATTR_PLT_MODE,
|
|
|
|
__WL1271_TM_ATTR_AFTER_LAST
|
|
};
|
|
#define WL1271_TM_ATTR_MAX (__WL1271_TM_ATTR_AFTER_LAST - 1)
|
|
|
|
static struct nla_policy wl1271_tm_policy[WL1271_TM_ATTR_MAX + 1] = {
|
|
[WL1271_TM_ATTR_CMD_ID] = { .type = NLA_U32 },
|
|
[WL1271_TM_ATTR_ANSWER] = { .type = NLA_U8 },
|
|
[WL1271_TM_ATTR_DATA] = { .type = NLA_BINARY,
|
|
.len = WL1271_TM_MAX_DATA_LENGTH },
|
|
[WL1271_TM_ATTR_IE_ID] = { .type = NLA_U32 },
|
|
[WL1271_TM_ATTR_PLT_MODE] = { .type = NLA_U32 },
|
|
};
|
|
|
|
|
|
static int wl1271_tm_cmd_test(struct wl1271 *wl, struct nlattr *tb[])
|
|
{
|
|
int buf_len, ret, len;
|
|
struct sk_buff *skb;
|
|
void *buf;
|
|
u8 answer = 0;
|
|
|
|
wl1271_debug(DEBUG_TESTMODE, "testmode cmd test");
|
|
|
|
if (!tb[WL1271_TM_ATTR_DATA])
|
|
return -EINVAL;
|
|
|
|
buf = nla_data(tb[WL1271_TM_ATTR_DATA]);
|
|
buf_len = nla_len(tb[WL1271_TM_ATTR_DATA]);
|
|
|
|
if (tb[WL1271_TM_ATTR_ANSWER])
|
|
answer = nla_get_u8(tb[WL1271_TM_ATTR_ANSWER]);
|
|
|
|
if (buf_len > sizeof(struct wl1271_command))
|
|
return -EMSGSIZE;
|
|
|
|
mutex_lock(&wl->mutex);
|
|
|
|
if (wl->state == WL1271_STATE_OFF) {
|
|
ret = -EINVAL;
|
|
goto out;
|
|
}
|
|
|
|
ret = wl1271_ps_elp_wakeup(wl);
|
|
if (ret < 0)
|
|
goto out;
|
|
|
|
ret = wl1271_cmd_test(wl, buf, buf_len, answer);
|
|
if (ret < 0) {
|
|
wl1271_warning("testmode cmd test failed: %d", ret);
|
|
goto out_sleep;
|
|
}
|
|
|
|
if (answer) {
|
|
len = nla_total_size(buf_len);
|
|
skb = cfg80211_testmode_alloc_reply_skb(wl->hw->wiphy, len);
|
|
if (!skb) {
|
|
ret = -ENOMEM;
|
|
goto out_sleep;
|
|
}
|
|
|
|
NLA_PUT(skb, WL1271_TM_ATTR_DATA, buf_len, buf);
|
|
ret = cfg80211_testmode_reply(skb);
|
|
if (ret < 0)
|
|
goto out_sleep;
|
|
}
|
|
|
|
out_sleep:
|
|
wl1271_ps_elp_sleep(wl);
|
|
out:
|
|
mutex_unlock(&wl->mutex);
|
|
|
|
return ret;
|
|
|
|
nla_put_failure:
|
|
kfree_skb(skb);
|
|
ret = -EMSGSIZE;
|
|
goto out_sleep;
|
|
}
|
|
|
|
static int wl1271_tm_cmd_interrogate(struct wl1271 *wl, struct nlattr *tb[])
|
|
{
|
|
int ret;
|
|
struct wl1271_command *cmd;
|
|
struct sk_buff *skb;
|
|
u8 ie_id;
|
|
|
|
wl1271_debug(DEBUG_TESTMODE, "testmode cmd interrogate");
|
|
|
|
if (!tb[WL1271_TM_ATTR_IE_ID])
|
|
return -EINVAL;
|
|
|
|
ie_id = nla_get_u8(tb[WL1271_TM_ATTR_IE_ID]);
|
|
|
|
mutex_lock(&wl->mutex);
|
|
|
|
if (wl->state == WL1271_STATE_OFF) {
|
|
ret = -EINVAL;
|
|
goto out;
|
|
}
|
|
|
|
ret = wl1271_ps_elp_wakeup(wl);
|
|
if (ret < 0)
|
|
goto out;
|
|
|
|
cmd = kzalloc(sizeof(*cmd), GFP_KERNEL);
|
|
if (!cmd) {
|
|
ret = -ENOMEM;
|
|
goto out_sleep;
|
|
}
|
|
|
|
ret = wl1271_cmd_interrogate(wl, ie_id, cmd, sizeof(*cmd));
|
|
if (ret < 0) {
|
|
wl1271_warning("testmode cmd interrogate failed: %d", ret);
|
|
goto out_free;
|
|
}
|
|
|
|
skb = cfg80211_testmode_alloc_reply_skb(wl->hw->wiphy, sizeof(*cmd));
|
|
if (!skb) {
|
|
ret = -ENOMEM;
|
|
goto out_free;
|
|
}
|
|
|
|
NLA_PUT(skb, WL1271_TM_ATTR_DATA, sizeof(*cmd), cmd);
|
|
ret = cfg80211_testmode_reply(skb);
|
|
if (ret < 0)
|
|
goto out_free;
|
|
|
|
out_free:
|
|
kfree(cmd);
|
|
out_sleep:
|
|
wl1271_ps_elp_sleep(wl);
|
|
out:
|
|
mutex_unlock(&wl->mutex);
|
|
|
|
return ret;
|
|
|
|
nla_put_failure:
|
|
kfree_skb(skb);
|
|
ret = -EMSGSIZE;
|
|
goto out_free;
|
|
}
|
|
|
|
static int wl1271_tm_cmd_configure(struct wl1271 *wl, struct nlattr *tb[])
|
|
{
|
|
int buf_len, ret;
|
|
void *buf;
|
|
u8 ie_id;
|
|
|
|
wl1271_debug(DEBUG_TESTMODE, "testmode cmd configure");
|
|
|
|
if (!tb[WL1271_TM_ATTR_DATA])
|
|
return -EINVAL;
|
|
if (!tb[WL1271_TM_ATTR_IE_ID])
|
|
return -EINVAL;
|
|
|
|
ie_id = nla_get_u8(tb[WL1271_TM_ATTR_IE_ID]);
|
|
buf = nla_data(tb[WL1271_TM_ATTR_DATA]);
|
|
buf_len = nla_len(tb[WL1271_TM_ATTR_DATA]);
|
|
|
|
if (buf_len > sizeof(struct wl1271_command))
|
|
return -EMSGSIZE;
|
|
|
|
mutex_lock(&wl->mutex);
|
|
ret = wl1271_cmd_configure(wl, ie_id, buf, buf_len);
|
|
mutex_unlock(&wl->mutex);
|
|
|
|
if (ret < 0) {
|
|
wl1271_warning("testmode cmd configure failed: %d", ret);
|
|
return ret;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int wl1271_tm_cmd_set_plt_mode(struct wl1271 *wl, struct nlattr *tb[])
|
|
{
|
|
u32 val;
|
|
int ret;
|
|
|
|
wl1271_debug(DEBUG_TESTMODE, "testmode cmd set plt mode");
|
|
|
|
if (!tb[WL1271_TM_ATTR_PLT_MODE])
|
|
return -EINVAL;
|
|
|
|
val = nla_get_u32(tb[WL1271_TM_ATTR_PLT_MODE]);
|
|
|
|
switch (val) {
|
|
case 0:
|
|
ret = wl1271_plt_stop(wl);
|
|
break;
|
|
case 1:
|
|
ret = wl1271_plt_start(wl);
|
|
break;
|
|
default:
|
|
ret = -EINVAL;
|
|
break;
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
|
|
static int wl1271_tm_cmd_recover(struct wl1271 *wl, struct nlattr *tb[])
|
|
{
|
|
wl1271_debug(DEBUG_TESTMODE, "testmode cmd recover");
|
|
|
|
wl12xx_queue_recovery_work(wl);
|
|
|
|
return 0;
|
|
}
|
|
|
|
int wl1271_tm_cmd(struct ieee80211_hw *hw, void *data, int len)
|
|
{
|
|
struct wl1271 *wl = hw->priv;
|
|
struct nlattr *tb[WL1271_TM_ATTR_MAX + 1];
|
|
int err;
|
|
|
|
err = nla_parse(tb, WL1271_TM_ATTR_MAX, data, len, wl1271_tm_policy);
|
|
if (err)
|
|
return err;
|
|
|
|
if (!tb[WL1271_TM_ATTR_CMD_ID])
|
|
return -EINVAL;
|
|
|
|
switch (nla_get_u32(tb[WL1271_TM_ATTR_CMD_ID])) {
|
|
case WL1271_TM_CMD_TEST:
|
|
return wl1271_tm_cmd_test(wl, tb);
|
|
case WL1271_TM_CMD_INTERROGATE:
|
|
return wl1271_tm_cmd_interrogate(wl, tb);
|
|
case WL1271_TM_CMD_CONFIGURE:
|
|
return wl1271_tm_cmd_configure(wl, tb);
|
|
case WL1271_TM_CMD_SET_PLT_MODE:
|
|
return wl1271_tm_cmd_set_plt_mode(wl, tb);
|
|
case WL1271_TM_CMD_RECOVER:
|
|
return wl1271_tm_cmd_recover(wl, tb);
|
|
default:
|
|
return -EOPNOTSUPP;
|
|
}
|
|
}
|