81 lines
2.1 KiB
C
81 lines
2.1 KiB
C
/*
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* This file is part of wl18xx
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*
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* Copyright (C) 2011 Texas Instruments Inc.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* version 2 as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
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* 02110-1301 USA
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*
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*/
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#include "../wlcore/cmd.h"
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#include "../wlcore/debug.h"
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#include "../wlcore/hw_ops.h"
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#include "cmd.h"
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int wl18xx_cmd_channel_switch(struct wl1271 *wl,
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struct wl12xx_vif *wlvif,
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struct ieee80211_channel_switch *ch_switch)
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{
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struct wl18xx_cmd_channel_switch *cmd;
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u32 supported_rates;
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int ret;
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wl1271_debug(DEBUG_ACX, "cmd channel switch");
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cmd = kzalloc(sizeof(*cmd), GFP_KERNEL);
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if (!cmd) {
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ret = -ENOMEM;
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goto out;
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}
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cmd->role_id = wlvif->role_id;
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cmd->channel = ch_switch->chandef.chan->hw_value;
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cmd->switch_time = ch_switch->count;
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cmd->stop_tx = ch_switch->block_tx;
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switch (ch_switch->chandef.chan->band) {
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case IEEE80211_BAND_2GHZ:
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cmd->band = WLCORE_BAND_2_4GHZ;
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break;
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case IEEE80211_BAND_5GHZ:
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cmd->band = WLCORE_BAND_5GHZ;
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break;
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default:
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wl1271_error("invalid channel switch band: %d",
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ch_switch->chandef.chan->band);
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ret = -EINVAL;
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goto out_free;
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}
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supported_rates = CONF_TX_ENABLED_RATES | CONF_TX_MCS_RATES |
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wlcore_hw_sta_get_ap_rate_mask(wl, wlvif);
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if (wlvif->p2p)
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supported_rates &= ~CONF_TX_CCK_RATES;
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cmd->local_supported_rates = cpu_to_le32(supported_rates);
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cmd->channel_type = wlvif->channel_type;
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ret = wl1271_cmd_send(wl, CMD_CHANNEL_SWITCH, cmd, sizeof(*cmd), 0);
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if (ret < 0) {
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wl1271_error("failed to send channel switch command");
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goto out_free;
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}
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out_free:
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kfree(cmd);
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out:
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return ret;
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}
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