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/*
* 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->chandef.chan->hw_value;
cmd->switch_time = ch_switch->count;
cmd->stop_tx = ch_switch->block_tx;
switch (ch_switch->chandef.chan->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->chandef.chan->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;
}
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