mirror of https://gitee.com/openkylin/linux.git
81 lines
2.1 KiB
C
81 lines
2.1 KiB
C
/*
|
|
* This file is part of wl18xx
|
|
*
|
|
* Copyright (C) 2011 Texas Instruments Inc.
|
|
*
|
|
* 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 "../wlcore/cmd.h"
|
|
#include "../wlcore/debug.h"
|
|
#include "../wlcore/hw_ops.h"
|
|
|
|
#include "cmd.h"
|
|
|
|
int wl18xx_cmd_channel_switch(struct wl1271 *wl,
|
|
struct wl12xx_vif *wlvif,
|
|
struct ieee80211_channel_switch *ch_switch)
|
|
{
|
|
struct wl18xx_cmd_channel_switch *cmd;
|
|
u32 supported_rates;
|
|
int ret;
|
|
|
|
wl1271_debug(DEBUG_ACX, "cmd channel switch");
|
|
|
|
cmd = kzalloc(sizeof(*cmd), GFP_KERNEL);
|
|
if (!cmd) {
|
|
ret = -ENOMEM;
|
|
goto out;
|
|
}
|
|
|
|
cmd->role_id = wlvif->role_id;
|
|
cmd->channel = ch_switch->channel->hw_value;
|
|
cmd->switch_time = ch_switch->count;
|
|
cmd->stop_tx = ch_switch->block_tx;
|
|
|
|
switch (ch_switch->channel->band) {
|
|
case IEEE80211_BAND_2GHZ:
|
|
cmd->band = WLCORE_BAND_2_4GHZ;
|
|
break;
|
|
case IEEE80211_BAND_5GHZ:
|
|
cmd->band = WLCORE_BAND_5GHZ;
|
|
break;
|
|
default:
|
|
wl1271_error("invalid channel switch band: %d",
|
|
ch_switch->channel->band);
|
|
ret = -EINVAL;
|
|
goto out_free;
|
|
}
|
|
|
|
supported_rates = CONF_TX_ENABLED_RATES | CONF_TX_MCS_RATES |
|
|
wlcore_hw_sta_get_ap_rate_mask(wl, wlvif);
|
|
if (wlvif->p2p)
|
|
supported_rates &= ~CONF_TX_CCK_RATES;
|
|
cmd->local_supported_rates = cpu_to_le32(supported_rates);
|
|
cmd->channel_type = wlvif->channel_type;
|
|
|
|
ret = wl1271_cmd_send(wl, CMD_CHANNEL_SWITCH, cmd, sizeof(*cmd), 0);
|
|
if (ret < 0) {
|
|
wl1271_error("failed to send channel switch command");
|
|
goto out_free;
|
|
}
|
|
|
|
out_free:
|
|
kfree(cmd);
|
|
out:
|
|
return ret;
|
|
}
|