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path: root/drivers/net/wireless/ti/wl18xx/cmd.c
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Diffstat (limited to 'drivers/net/wireless/ti/wl18xx/cmd.c')
-rw-r--r--drivers/net/wireless/ti/wl18xx/cmd.c80
1 files changed, 80 insertions, 0 deletions
diff --git a/drivers/net/wireless/ti/wl18xx/cmd.c b/drivers/net/wireless/ti/wl18xx/cmd.c
new file mode 100644
index 000000000000..1d1f6cc7a50a
--- /dev/null
+++ b/drivers/net/wireless/ti/wl18xx/cmd.c
@@ -0,0 +1,80 @@
+/*
+ * 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;
+}