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path: root/drivers/net/wireless/wl12xx/cmd.c
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Diffstat (limited to 'drivers/net/wireless/wl12xx/cmd.c')
-rw-r--r--drivers/net/wireless/wl12xx/cmd.c783
1 files changed, 783 insertions, 0 deletions
diff --git a/drivers/net/wireless/wl12xx/cmd.c b/drivers/net/wireless/wl12xx/cmd.c
new file mode 100644
index 00000000000..f3d0541aaad
--- /dev/null
+++ b/drivers/net/wireless/wl12xx/cmd.c
@@ -0,0 +1,783 @@
+/*
+ * This file is part of wl1271
+ *
+ * Copyright (C) 2009-2010 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 <linux/module.h>
+#include <linux/platform_device.h>
+#include <linux/crc7.h>
+#include <linux/spi/spi.h>
+#include <linux/etherdevice.h>
+#include <linux/ieee80211.h>
+#include <linux/slab.h>
+
+#include "wl12xx.h"
+#include "reg.h"
+#include "io.h"
+#include "acx.h"
+#include "wl12xx_80211.h"
+#include "cmd.h"
+#include "event.h"
+
+#define WL1271_CMD_FAST_POLL_COUNT 50
+
+/*
+ * send command to firmware
+ *
+ * @wl: wl struct
+ * @id: command id
+ * @buf: buffer containing the command, must work with dma
+ * @len: length of the buffer
+ */
+int wl1271_cmd_send(struct wl1271 *wl, u16 id, void *buf, size_t len,
+ size_t res_len)
+{
+ struct wl1271_cmd_header *cmd;
+ unsigned long timeout;
+ u32 intr;
+ int ret = 0;
+ u16 status;
+ u16 poll_count = 0;
+
+ cmd = buf;
+ cmd->id = cpu_to_le16(id);
+ cmd->status = 0;
+
+ WARN_ON(len % 4 != 0);
+
+ wl1271_write(wl, wl->cmd_box_addr, buf, len, false);
+
+ wl1271_write32(wl, ACX_REG_INTERRUPT_TRIG, INTR_TRIG_CMD);
+
+ timeout = jiffies + msecs_to_jiffies(WL1271_COMMAND_TIMEOUT);
+
+ intr = wl1271_read32(wl, ACX_REG_INTERRUPT_NO_CLEAR);
+ while (!(intr & WL1271_ACX_INTR_CMD_COMPLETE)) {
+ if (time_after(jiffies, timeout)) {
+ wl1271_error("command complete timeout");
+ ret = -ETIMEDOUT;
+ goto out;
+ }
+
+ poll_count++;
+ if (poll_count < WL1271_CMD_FAST_POLL_COUNT)
+ udelay(10);
+ else
+ msleep(1);
+
+ intr = wl1271_read32(wl, ACX_REG_INTERRUPT_NO_CLEAR);
+ }
+
+ /* read back the status code of the command */
+ if (res_len == 0)
+ res_len = sizeof(struct wl1271_cmd_header);
+ wl1271_read(wl, wl->cmd_box_addr, cmd, res_len, false);
+
+ status = le16_to_cpu(cmd->status);
+ if (status != CMD_STATUS_SUCCESS) {
+ wl1271_error("command execute failure %d", status);
+ ieee80211_queue_work(wl->hw, &wl->recovery_work);
+ ret = -EIO;
+ }
+
+ wl1271_write32(wl, ACX_REG_INTERRUPT_ACK,
+ WL1271_ACX_INTR_CMD_COMPLETE);
+
+out:
+ return ret;
+}
+
+int wl1271_cmd_general_parms(struct wl1271 *wl)
+{
+ struct wl1271_general_parms_cmd *gen_parms;
+ struct wl1271_ini_general_params *gp = &wl->nvs->general_params;
+ bool answer = false;
+ int ret;
+
+ if (!wl->nvs)
+ return -ENODEV;
+
+ gen_parms = kzalloc(sizeof(*gen_parms), GFP_KERNEL);
+ if (!gen_parms)
+ return -ENOMEM;
+
+ gen_parms->test.id = TEST_CMD_INI_FILE_GENERAL_PARAM;
+
+ memcpy(&gen_parms->general_params, gp, sizeof(*gp));
+
+ if (gp->tx_bip_fem_auto_detect)
+ answer = true;
+
+ ret = wl1271_cmd_test(wl, gen_parms, sizeof(*gen_parms), answer);
+ if (ret < 0) {
+ wl1271_warning("CMD_INI_FILE_GENERAL_PARAM failed");
+ goto out;
+ }
+
+ gp->tx_bip_fem_manufacturer =
+ gen_parms->general_params.tx_bip_fem_manufacturer;
+
+ wl1271_debug(DEBUG_CMD, "FEM autodetect: %s, manufacturer: %d\n",
+ answer ? "auto" : "manual", gp->tx_bip_fem_manufacturer);
+
+out:
+ kfree(gen_parms);
+ return ret;
+}
+
+int wl1271_cmd_radio_parms(struct wl1271 *wl)
+{
+ struct wl1271_radio_parms_cmd *radio_parms;
+ struct wl1271_ini_general_params *gp = &wl->nvs->general_params;
+ int ret;
+
+ if (!wl->nvs)
+ return -ENODEV;
+
+ radio_parms = kzalloc(sizeof(*radio_parms), GFP_KERNEL);
+ if (!radio_parms)
+ return -ENOMEM;
+
+ radio_parms->test.id = TEST_CMD_INI_FILE_RADIO_PARAM;
+
+ /* 2.4GHz parameters */
+ memcpy(&radio_parms->static_params_2, &wl->nvs->stat_radio_params_2,
+ sizeof(struct wl1271_ini_band_params_2));
+ memcpy(&radio_parms->dyn_params_2,
+ &wl->nvs->dyn_radio_params_2[gp->tx_bip_fem_manufacturer].params,
+ sizeof(struct wl1271_ini_fem_params_2));
+
+ /* 5GHz parameters */
+ memcpy(&radio_parms->static_params_5,
+ &wl->nvs->stat_radio_params_5,
+ sizeof(struct wl1271_ini_band_params_5));
+ memcpy(&radio_parms->dyn_params_5,
+ &wl->nvs->dyn_radio_params_5[gp->tx_bip_fem_manufacturer].params,
+ sizeof(struct wl1271_ini_fem_params_5));
+
+ wl1271_dump(DEBUG_CMD, "TEST_CMD_INI_FILE_RADIO_PARAM: ",
+ radio_parms, sizeof(*radio_parms));
+
+ ret = wl1271_cmd_test(wl, radio_parms, sizeof(*radio_parms), 0);
+ if (ret < 0)
+ wl1271_warning("CMD_INI_FILE_RADIO_PARAM failed");
+
+ kfree(radio_parms);
+ return ret;
+}
+
+int wl1271_cmd_ext_radio_parms(struct wl1271 *wl)
+{
+ struct wl1271_ext_radio_parms_cmd *ext_radio_parms;
+ struct conf_rf_settings *rf = &wl->conf.rf;
+ int ret;
+
+ if (!wl->nvs)
+ return -ENODEV;
+
+ ext_radio_parms = kzalloc(sizeof(*ext_radio_parms), GFP_KERNEL);
+ if (!ext_radio_parms)
+ return -ENOMEM;
+
+ ext_radio_parms->test.id = TEST_CMD_INI_FILE_RF_EXTENDED_PARAM;
+
+ memcpy(ext_radio_parms->tx_per_channel_power_compensation_2,
+ rf->tx_per_channel_power_compensation_2,
+ CONF_TX_PWR_COMPENSATION_LEN_2);
+ memcpy(ext_radio_parms->tx_per_channel_power_compensation_5,
+ rf->tx_per_channel_power_compensation_5,
+ CONF_TX_PWR_COMPENSATION_LEN_5);
+
+ wl1271_dump(DEBUG_CMD, "TEST_CMD_INI_FILE_EXT_RADIO_PARAM: ",
+ ext_radio_parms, sizeof(*ext_radio_parms));
+
+ ret = wl1271_cmd_test(wl, ext_radio_parms, sizeof(*ext_radio_parms), 0);
+ if (ret < 0)
+ wl1271_warning("TEST_CMD_INI_FILE_RF_EXTENDED_PARAM failed");
+
+ kfree(ext_radio_parms);
+ return ret;
+}
+
+/*
+ * Poll the mailbox event field until any of the bits in the mask is set or a
+ * timeout occurs (WL1271_EVENT_TIMEOUT in msecs)
+ */
+static int wl1271_cmd_wait_for_event(struct wl1271 *wl, u32 mask)
+{
+ u32 events_vector, event;
+ unsigned long timeout;
+
+ timeout = jiffies + msecs_to_jiffies(WL1271_EVENT_TIMEOUT);
+
+ do {
+ if (time_after(jiffies, timeout)) {
+ ieee80211_queue_work(wl->hw, &wl->recovery_work);
+ return -ETIMEDOUT;
+ }
+
+ msleep(1);
+
+ /* read from both event fields */
+ wl1271_read(wl, wl->mbox_ptr[0], &events_vector,
+ sizeof(events_vector), false);
+ event = events_vector & mask;
+ wl1271_read(wl, wl->mbox_ptr[1], &events_vector,
+ sizeof(events_vector), false);
+ event |= events_vector & mask;
+ } while (!event);
+
+ return 0;
+}
+
+int wl1271_cmd_join(struct wl1271 *wl, u8 bss_type)
+{
+ struct wl1271_cmd_join *join;
+ int ret, i;
+ u8 *bssid;
+
+ join = kzalloc(sizeof(*join), GFP_KERNEL);
+ if (!join) {
+ ret = -ENOMEM;
+ goto out;
+ }
+
+ wl1271_debug(DEBUG_CMD, "cmd join");
+
+ /* Reverse order BSSID */
+ bssid = (u8 *) &join->bssid_lsb;
+ for (i = 0; i < ETH_ALEN; i++)
+ bssid[i] = wl->bssid[ETH_ALEN - i - 1];
+
+ join->rx_config_options = cpu_to_le32(wl->rx_config);
+ join->rx_filter_options = cpu_to_le32(wl->rx_filter);
+ join->bss_type = bss_type;
+ join->basic_rate_set = cpu_to_le32(wl->basic_rate_set);
+
+ if (wl->band == IEEE80211_BAND_5GHZ)
+ join->bss_type |= WL1271_JOIN_CMD_BSS_TYPE_5GHZ;
+
+ join->beacon_interval = cpu_to_le16(wl->beacon_int);
+ join->dtim_interval = WL1271_DEFAULT_DTIM_PERIOD;
+
+ join->channel = wl->channel;
+ join->ssid_len = wl->ssid_len;
+ memcpy(join->ssid, wl->ssid, wl->ssid_len);
+
+ join->ctrl |= wl->session_counter << WL1271_JOIN_CMD_TX_SESSION_OFFSET;
+
+ /* reset TX security counters */
+ wl->tx_security_last_seq = 0;
+ wl->tx_security_seq = 0;
+
+ ret = wl1271_cmd_send(wl, CMD_START_JOIN, join, sizeof(*join), 0);
+ if (ret < 0) {
+ wl1271_error("failed to initiate cmd join");
+ goto out_free;
+ }
+
+ ret = wl1271_cmd_wait_for_event(wl, JOIN_EVENT_COMPLETE_ID);
+ if (ret < 0)
+ wl1271_error("cmd join event completion error");
+
+out_free:
+ kfree(join);
+
+out:
+ return ret;
+}
+
+/**
+ * send test command to firmware
+ *
+ * @wl: wl struct
+ * @buf: buffer containing the command, with all headers, must work with dma
+ * @len: length of the buffer
+ * @answer: is answer needed
+ */
+int wl1271_cmd_test(struct wl1271 *wl, void *buf, size_t buf_len, u8 answer)
+{
+ int ret;
+ size_t res_len = 0;
+
+ wl1271_debug(DEBUG_CMD, "cmd test");
+
+ if (answer)
+ res_len = buf_len;
+
+ ret = wl1271_cmd_send(wl, CMD_TEST, buf, buf_len, res_len);
+
+ if (ret < 0) {
+ wl1271_warning("TEST command failed");
+ return ret;
+ }
+
+ return ret;
+}
+
+/**
+ * read acx from firmware
+ *
+ * @wl: wl struct
+ * @id: acx id
+ * @buf: buffer for the response, including all headers, must work with dma
+ * @len: lenght of buf
+ */
+int wl1271_cmd_interrogate(struct wl1271 *wl, u16 id, void *buf, size_t len)
+{
+ struct acx_header *acx = buf;
+ int ret;
+
+ wl1271_debug(DEBUG_CMD, "cmd interrogate");
+
+ acx->id = cpu_to_le16(id);
+
+ /* payload length, does not include any headers */
+ acx->len = cpu_to_le16(len - sizeof(*acx));
+
+ ret = wl1271_cmd_send(wl, CMD_INTERROGATE, acx, sizeof(*acx), len);
+ if (ret < 0)
+ wl1271_error("INTERROGATE command failed");
+
+ return ret;
+}
+
+/**
+ * write acx value to firmware
+ *
+ * @wl: wl struct
+ * @id: acx id
+ * @buf: buffer containing acx, including all headers, must work with dma
+ * @len: length of buf
+ */
+int wl1271_cmd_configure(struct wl1271 *wl, u16 id, void *buf, size_t len)
+{
+ struct acx_header *acx = buf;
+ int ret;
+
+ wl1271_debug(DEBUG_CMD, "cmd configure");
+
+ acx->id = cpu_to_le16(id);
+
+ /* payload length, does not include any headers */
+ acx->len = cpu_to_le16(len - sizeof(*acx));
+
+ ret = wl1271_cmd_send(wl, CMD_CONFIGURE, acx, len, 0);
+ if (ret < 0) {
+ wl1271_warning("CONFIGURE command NOK");
+ return ret;
+ }
+
+ return 0;
+}
+
+int wl1271_cmd_data_path(struct wl1271 *wl, bool enable)
+{
+ struct cmd_enabledisable_path *cmd;
+ int ret;
+ u16 cmd_rx, cmd_tx;
+
+ wl1271_debug(DEBUG_CMD, "cmd data path");
+
+ cmd = kzalloc(sizeof(*cmd), GFP_KERNEL);
+ if (!cmd) {
+ ret = -ENOMEM;
+ goto out;
+ }
+
+ /* the channel here is only used for calibration, so hardcoded to 1 */
+ cmd->channel = 1;
+
+ if (enable) {
+ cmd_rx = CMD_ENABLE_RX;
+ cmd_tx = CMD_ENABLE_TX;
+ } else {
+ cmd_rx = CMD_DISABLE_RX;
+ cmd_tx = CMD_DISABLE_TX;
+ }
+
+ ret = wl1271_cmd_send(wl, cmd_rx, cmd, sizeof(*cmd), 0);
+ if (ret < 0) {
+ wl1271_error("rx %s cmd for channel %d failed",
+ enable ? "start" : "stop", cmd->channel);
+ goto out;
+ }
+
+ wl1271_debug(DEBUG_BOOT, "rx %s cmd channel %d",
+ enable ? "start" : "stop", cmd->channel);
+
+ ret = wl1271_cmd_send(wl, cmd_tx, cmd, sizeof(*cmd), 0);
+ if (ret < 0) {
+ wl1271_error("tx %s cmd for channel %d failed",
+ enable ? "start" : "stop", cmd->channel);
+ goto out;
+ }
+
+ wl1271_debug(DEBUG_BOOT, "tx %s cmd channel %d",
+ enable ? "start" : "stop", cmd->channel);
+
+out:
+ kfree(cmd);
+ return ret;
+}
+
+int wl1271_cmd_ps_mode(struct wl1271 *wl, u8 ps_mode, u32 rates, bool send)
+{
+ struct wl1271_cmd_ps_params *ps_params = NULL;
+ int ret = 0;
+
+ wl1271_debug(DEBUG_CMD, "cmd set ps mode");
+
+ ps_params = kzalloc(sizeof(*ps_params), GFP_KERNEL);
+ if (!ps_params) {
+ ret = -ENOMEM;
+ goto out;
+ }
+
+ ps_params->ps_mode = ps_mode;
+ ps_params->send_null_data = send;
+ ps_params->retries = wl->conf.conn.psm_entry_nullfunc_retries;
+ ps_params->hang_over_period = wl->conf.conn.psm_entry_hangover_period;
+ ps_params->null_data_rate = cpu_to_le32(rates);
+
+ ret = wl1271_cmd_send(wl, CMD_SET_PS_MODE, ps_params,
+ sizeof(*ps_params), 0);
+ if (ret < 0) {
+ wl1271_error("cmd set_ps_mode failed");
+ goto out;
+ }
+
+out:
+ kfree(ps_params);
+ return ret;
+}
+
+int wl1271_cmd_template_set(struct wl1271 *wl, u16 template_id,
+ void *buf, size_t buf_len, int index, u32 rates)
+{
+ struct wl1271_cmd_template_set *cmd;
+ int ret = 0;
+
+ wl1271_debug(DEBUG_CMD, "cmd template_set %d", template_id);
+
+ WARN_ON(buf_len > WL1271_CMD_TEMPL_MAX_SIZE);
+ buf_len = min_t(size_t, buf_len, WL1271_CMD_TEMPL_MAX_SIZE);
+
+ cmd = kzalloc(sizeof(*cmd), GFP_KERNEL);
+ if (!cmd) {
+ ret = -ENOMEM;
+ goto out;
+ }
+
+ cmd->len = cpu_to_le16(buf_len);
+ cmd->template_type = template_id;
+ cmd->enabled_rates = cpu_to_le32(rates);
+ cmd->short_retry_limit = wl->conf.tx.rc_conf.short_retry_limit;
+ cmd->long_retry_limit = wl->conf.tx.rc_conf.long_retry_limit;
+ cmd->index = index;
+
+ if (buf)
+ memcpy(cmd->template_data, buf, buf_len);
+
+ ret = wl1271_cmd_send(wl, CMD_SET_TEMPLATE, cmd, sizeof(*cmd), 0);
+ if (ret < 0) {
+ wl1271_warning("cmd set_template failed: %d", ret);
+ goto out_free;
+ }
+
+out_free:
+ kfree(cmd);
+
+out:
+ return ret;
+}
+
+int wl1271_cmd_build_null_data(struct wl1271 *wl)
+{
+ struct sk_buff *skb = NULL;
+ int size;
+ void *ptr;
+ int ret = -ENOMEM;
+
+
+ if (wl->bss_type == BSS_TYPE_IBSS) {
+ size = sizeof(struct wl12xx_null_data_template);
+ ptr = NULL;
+ } else {
+ skb = ieee80211_nullfunc_get(wl->hw, wl->vif);
+ if (!skb)
+ goto out;
+ size = skb->len;
+ ptr = skb->data;
+ }
+
+ ret = wl1271_cmd_template_set(wl, CMD_TEMPL_NULL_DATA, ptr, size, 0,
+ wl->basic_rate);
+
+out:
+ dev_kfree_skb(skb);
+ if (ret)
+ wl1271_warning("cmd buld null data failed %d", ret);
+
+ return ret;
+
+}
+
+int wl1271_cmd_build_klv_null_data(struct wl1271 *wl)
+{
+ struct sk_buff *skb = NULL;
+ int ret = -ENOMEM;
+
+ skb = ieee80211_nullfunc_get(wl->hw, wl->vif);
+ if (!skb)
+ goto out;
+
+ ret = wl1271_cmd_template_set(wl, CMD_TEMPL_KLV,
+ skb->data, skb->len,
+ CMD_TEMPL_KLV_IDX_NULL_DATA,
+ wl->basic_rate);
+
+out:
+ dev_kfree_skb(skb);
+ if (ret)
+ wl1271_warning("cmd build klv null data failed %d", ret);
+
+ return ret;
+
+}
+
+int wl1271_cmd_build_ps_poll(struct wl1271 *wl, u16 aid)
+{
+ struct sk_buff *skb;
+ int ret = 0;
+
+ skb = ieee80211_pspoll_get(wl->hw, wl->vif);
+ if (!skb)
+ goto out;
+
+ ret = wl1271_cmd_template_set(wl, CMD_TEMPL_PS_POLL, skb->data,
+ skb->len, 0, wl->basic_rate_set);
+
+out:
+ dev_kfree_skb(skb);
+ return ret;
+}
+
+int wl1271_cmd_build_probe_req(struct wl1271 *wl,
+ const u8 *ssid, size_t ssid_len,
+ const u8 *ie, size_t ie_len, u8 band)
+{
+ struct sk_buff *skb;
+ int ret;
+
+ skb = ieee80211_probereq_get(wl->hw, wl->vif, ssid, ssid_len,
+ ie, ie_len);
+ if (!skb) {
+ ret = -ENOMEM;
+ goto out;
+ }
+
+ wl1271_dump(DEBUG_SCAN, "PROBE REQ: ", skb->data, skb->len);
+
+ if (band == IEEE80211_BAND_2GHZ)
+ ret = wl1271_cmd_template_set(wl, CMD_TEMPL_CFG_PROBE_REQ_2_4,
+ skb->data, skb->len, 0,
+ wl->conf.tx.basic_rate);
+ else
+ ret = wl1271_cmd_template_set(wl, CMD_TEMPL_CFG_PROBE_REQ_5,
+ skb->data, skb->len, 0,
+ wl->conf.tx.basic_rate_5);
+
+out:
+ dev_kfree_skb(skb);
+ return ret;
+}
+
+int wl1271_build_qos_null_data(struct wl1271 *wl)
+{
+ struct ieee80211_qos_hdr template;
+
+ memset(&template, 0, sizeof(template));
+
+ memcpy(template.addr1, wl->bssid, ETH_ALEN);
+ memcpy(template.addr2, wl->mac_addr, ETH_ALEN);
+ memcpy(template.addr3, wl->bssid, ETH_ALEN);
+
+ template.frame_control = cpu_to_le16(IEEE80211_FTYPE_DATA |
+ IEEE80211_STYPE_QOS_NULLFUNC |
+ IEEE80211_FCTL_TODS);
+
+ /* FIXME: not sure what priority to use here */
+ template.qos_ctrl = cpu_to_le16(0);
+
+ return wl1271_cmd_template_set(wl, CMD_TEMPL_QOS_NULL_DATA, &template,
+ sizeof(template), 0,
+ wl->basic_rate);
+}
+
+int wl1271_cmd_set_default_wep_key(struct wl1271 *wl, u8 id)
+{
+ struct wl1271_cmd_set_keys *cmd;
+ int ret = 0;
+
+ wl1271_debug(DEBUG_CMD, "cmd set_default_wep_key %d", id);
+
+ cmd = kzalloc(sizeof(*cmd), GFP_KERNEL);
+ if (!cmd) {
+ ret = -ENOMEM;
+ goto out;
+ }
+
+ cmd->id = id;
+ cmd->key_action = cpu_to_le16(KEY_SET_ID);
+ cmd->key_type = KEY_WEP;
+
+ ret = wl1271_cmd_send(wl, CMD_SET_KEYS, cmd, sizeof(*cmd), 0);
+ if (ret < 0) {
+ wl1271_warning("cmd set_default_wep_key failed: %d", ret);
+ goto out;
+ }
+
+out:
+ kfree(cmd);
+
+ return ret;
+}
+
+int wl1271_cmd_set_key(struct wl1271 *wl, u16 action, u8 id, u8 key_type,
+ u8 key_size, const u8 *key, const u8 *addr,
+ u32 tx_seq_32, u16 tx_seq_16)
+{
+ struct wl1271_cmd_set_keys *cmd;
+ int ret = 0;
+
+ cmd = kzalloc(sizeof(*cmd), GFP_KERNEL);
+ if (!cmd) {
+ ret = -ENOMEM;
+ goto out;
+ }
+
+ if (key_type != KEY_WEP)
+ memcpy(cmd->addr, addr, ETH_ALEN);
+
+ cmd->key_action = cpu_to_le16(action);
+ cmd->key_size = key_size;
+ cmd->key_type = key_type;
+
+ cmd->ac_seq_num16[0] = cpu_to_le16(tx_seq_16);
+ cmd->ac_seq_num32[0] = cpu_to_le32(tx_seq_32);
+
+ /* we have only one SSID profile */
+ cmd->ssid_profile = 0;
+
+ cmd->id = id;
+
+ if (key_type == KEY_TKIP) {
+ /*
+ * We get the key in the following form:
+ * TKIP (16 bytes) - TX MIC (8 bytes) - RX MIC (8 bytes)
+ * but the target is expecting:
+ * TKIP - RX MIC - TX MIC
+ */
+ memcpy(cmd->key, key, 16);
+ memcpy(cmd->key + 16, key + 24, 8);
+ memcpy(cmd->key + 24, key + 16, 8);
+
+ } else {
+ memcpy(cmd->key, key, key_size);
+ }
+
+ wl1271_dump(DEBUG_CRYPT, "TARGET KEY: ", cmd, sizeof(*cmd));
+
+ ret = wl1271_cmd_send(wl, CMD_SET_KEYS, cmd, sizeof(*cmd), 0);
+ if (ret < 0) {
+ wl1271_warning("could not set keys");
+ goto out;
+ }
+
+out:
+ kfree(cmd);
+
+ return ret;
+}
+
+int wl1271_cmd_disconnect(struct wl1271 *wl)
+{
+ struct wl1271_cmd_disconnect *cmd;
+ int ret = 0;
+
+ wl1271_debug(DEBUG_CMD, "cmd disconnect");
+
+ cmd = kzalloc(sizeof(*cmd), GFP_KERNEL);
+ if (!cmd) {
+ ret = -ENOMEM;
+ goto out;
+ }
+
+ cmd->rx_config_options = cpu_to_le32(wl->rx_config);
+ cmd->rx_filter_options = cpu_to_le32(wl->rx_filter);
+ /* disconnect reason is not used in immediate disconnections */
+ cmd->type = DISCONNECT_IMMEDIATE;
+
+ ret = wl1271_cmd_send(wl, CMD_DISCONNECT, cmd, sizeof(*cmd), 0);
+ if (ret < 0) {
+ wl1271_error("failed to send disconnect command");
+ goto out_free;
+ }
+
+ ret = wl1271_cmd_wait_for_event(wl, DISCONNECT_EVENT_COMPLETE_ID);
+ if (ret < 0)
+ wl1271_error("cmd disconnect event completion error");
+
+out_free:
+ kfree(cmd);
+
+out:
+ return ret;
+}
+
+int wl1271_cmd_set_sta_state(struct wl1271 *wl)
+{
+ struct wl1271_cmd_set_sta_state *cmd;
+ int ret = 0;
+
+ wl1271_debug(DEBUG_CMD, "cmd set sta state");
+
+ cmd = kzalloc(sizeof(*cmd), GFP_KERNEL);
+ if (!cmd) {
+ ret = -ENOMEM;
+ goto out;
+ }
+
+ cmd->state = WL1271_CMD_STA_STATE_CONNECTED;
+
+ ret = wl1271_cmd_send(wl, CMD_SET_STA_STATE, cmd, sizeof(*cmd), 0);
+ if (ret < 0) {
+ wl1271_error("failed to send set STA state command");
+ goto out_free;
+ }
+
+out_free:
+ kfree(cmd);
+
+out:
+ return ret;
+}