Added missing tegra files.HEADmaster

1 files changed, 1331 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..2144f60b4e6
--- /dev/null
+++ b/drivers/net/wireless/wl12xx/cmd.c
@@ -0,0 +1,1331 @@
+/*
+ * 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/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"
+#include "tx.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);
+        WARN_ON(test_bit(WL1271_FLAG_IN_ELP, &wl->flags));
+
+        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 fail;
+                }
+
+                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);
+                ret = -EIO;
+                goto fail;
+        }
+
+        wl1271_write32(wl, ACX_REG_INTERRUPT_ACK,
+                       WL1271_ACX_INTR_CMD_COMPLETE);
+        return 0;
+
+fail:
+        WARN_ON(1);
+        wl12xx_queue_recovery_work(wl);
+        return ret;
+}
+
+int wl1271_cmd_general_parms(struct wl1271 *wl)
+{
+        struct wl1271_general_parms_cmd *gen_parms;
+        struct wl1271_ini_general_params *gp =
+                &((struct wl1271_nvs_file *)wl->nvs)->general_params;
+        bool answer = false;
+        int ret;
+
+        if (!wl->nvs)
+                return -ENODEV;
+
+        if (gp->tx_bip_fem_manufacturer >= WL1271_INI_FEM_MODULE_COUNT) {
+                wl1271_warning("FEM index from INI out of bounds");
+                return -EINVAL;
+        }
+
+        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;
+
+        /* Override the REF CLK from the NVS with the one from platform data */
+        gen_parms->general_params.ref_clock = wl->ref_clock;
+
+        /* LPD mode enable (bits 6-7) in WL1271 AP mode only */
+        if (wl->quirks & WL12XX_QUIRK_LPD_MODE)
+                gen_parms->general_params.general_settings |=
+                        GENERAL_SETTINGS_DRPW_LPD;
+
+        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;
+
+        if (gp->tx_bip_fem_manufacturer >= WL1271_INI_FEM_MODULE_COUNT) {
+                wl1271_warning("FEM index from FW out of bounds");
+                ret = -EINVAL;
+                goto out;
+        }
+
+        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 wl128x_cmd_general_parms(struct wl1271 *wl)
+{
+        struct wl128x_general_parms_cmd *gen_parms;
+        struct wl128x_ini_general_params *gp =
+                &((struct wl128x_nvs_file *)wl->nvs)->general_params;
+        bool answer = false;
+        int ret;
+
+        if (!wl->nvs)
+                return -ENODEV;
+
+        if (gp->tx_bip_fem_manufacturer >= WL1271_INI_FEM_MODULE_COUNT) {
+                wl1271_warning("FEM index from ini out of bounds");
+                return -EINVAL;
+        }
+
+        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;
+
+        /* Replace REF and TCXO CLKs with the ones from platform data */
+        gen_parms->general_params.ref_clock = wl->ref_clock;
+        gen_parms->general_params.tcxo_ref_clock = wl->tcxo_clock;
+
+        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;
+
+        if (gp->tx_bip_fem_manufacturer >= WL1271_INI_FEM_MODULE_COUNT) {
+                wl1271_warning("FEM index from FW out of bounds");
+                ret = -EINVAL;
+                goto out;
+        }
+
+        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_nvs_file *nvs = (struct wl1271_nvs_file *)wl->nvs;
+        struct wl1271_radio_parms_cmd *radio_parms;
+        struct wl1271_ini_general_params *gp = &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, &nvs->stat_radio_params_2,
+               sizeof(struct wl1271_ini_band_params_2));
+        memcpy(&radio_parms->dyn_params_2,
+               &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,
+               &nvs->stat_radio_params_5,
+               sizeof(struct wl1271_ini_band_params_5));
+        memcpy(&radio_parms->dyn_params_5,
+               &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 wl128x_cmd_radio_parms(struct wl1271 *wl)
+{
+        struct wl128x_nvs_file *nvs = (struct wl128x_nvs_file *)wl->nvs;
+        struct wl128x_radio_parms_cmd *radio_parms;
+        struct wl128x_ini_general_params *gp = &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, &nvs->stat_radio_params_2,
+               sizeof(struct wl128x_ini_band_params_2));
+        memcpy(&radio_parms->dyn_params_2,
+               &nvs->dyn_radio_params_2[gp->tx_bip_fem_manufacturer].params,
+               sizeof(struct wl128x_ini_fem_params_2));
+
+        /* 5GHz parameters */
+        memcpy(&radio_parms->static_params_5,
+               &nvs->stat_radio_params_5,
+               sizeof(struct wl128x_ini_band_params_5));
+        memcpy(&radio_parms->dyn_params_5,
+               &nvs->dyn_radio_params_5[gp->tx_bip_fem_manufacturer].params,
+               sizeof(struct wl128x_ini_fem_params_5));
+
+        radio_parms->fem_vendor_and_options = nvs->fem_vendor_and_options;
+
+        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_or_timeout(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)) {
+                        wl1271_debug(DEBUG_CMD, "timeout waiting for event %d",
+                                     (int)mask);
+                        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;
+}
+
+static int wl1271_cmd_wait_for_event(struct wl1271 *wl, u32 mask)
+{
+        int ret;
+
+        ret = wl1271_cmd_wait_for_event_or_timeout(wl, mask);
+        if (ret != 0) {
+                wl12xx_queue_recovery_work(wl);
+                return ret;
+        }
+
+        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);
+        join->supported_rate_set = cpu_to_le32(wl->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;
+
+        wl1271_debug(DEBUG_CMD, "cmd join: basic_rate_set=0x%x, rate_set=0x%x",
+                join->basic_rate_set, join->supported_rate_set);
+
+        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: length 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)
+{
+        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;
+
+        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.tmpl_short_retry_limit;
+        cmd->long_retry_limit = wl->conf.tx.tmpl_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;
+}
+
+struct sk_buff *wl1271_cmd_build_ap_probe_req(struct wl1271 *wl,
+                                              struct sk_buff *skb)
+{
+        int ret;
+
+        if (!skb)
+                skb = ieee80211_ap_probereq_get(wl->hw, wl->vif);
+        if (!skb)
+                goto out;
+
+        wl1271_dump(DEBUG_SCAN, "AP PROBE REQ: ", skb->data, skb->len);
+
+        if (wl->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);
+
+        if (ret < 0)
+                wl1271_error("Unable to set ap probe request template.");
+
+out:
+        return skb;
+}
+
+int wl1271_cmd_build_arp_rsp(struct wl1271 *wl, __be32 ip_addr)
+{
+        int ret;
+        struct wl12xx_arp_rsp_template tmpl;
+        struct ieee80211_hdr_3addr *hdr;
+        struct arphdr *arp_hdr;
+
+        memset(&tmpl, 0, sizeof(tmpl));
+
+        /* mac80211 header */
+        hdr = &tmpl.hdr;
+        hdr->frame_control = cpu_to_le16(IEEE80211_FTYPE_DATA |
+                                         IEEE80211_STYPE_DATA |
+                                         IEEE80211_FCTL_TODS);
+        memcpy(hdr->addr1, wl->vif->bss_conf.bssid, ETH_ALEN);
+        memcpy(hdr->addr2, wl->vif->addr, ETH_ALEN);
+        memset(hdr->addr3, 0xff, ETH_ALEN);
+
+        /* llc layer */
+        memcpy(tmpl.llc_hdr, rfc1042_header, sizeof(rfc1042_header));
+        tmpl.llc_type = cpu_to_be16(ETH_P_ARP);
+
+        /* arp header */
+        arp_hdr = &tmpl.arp_hdr;
+        arp_hdr->ar_hrd = cpu_to_be16(ARPHRD_ETHER);
+        arp_hdr->ar_pro = cpu_to_be16(ETH_P_IP);
+        arp_hdr->ar_hln = ETH_ALEN;
+        arp_hdr->ar_pln = 4;
+        arp_hdr->ar_op = cpu_to_be16(ARPOP_REPLY);
+
+        /* arp payload */
+        memcpy(tmpl.sender_hw, wl->vif->addr, ETH_ALEN);
+        tmpl.sender_ip = ip_addr;
+
+        ret = wl1271_cmd_template_set(wl, CMD_TEMPL_ARP_RSP,
+                                      &tmpl, sizeof(tmpl), 0,
+                                      wl->basic_rate);
+
+        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_sta_default_wep_key(struct wl1271 *wl, u8 id)
+{
+        struct wl1271_cmd_set_sta_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_ap_default_wep_key(struct wl1271 *wl, u8 id)
+{
+        struct wl1271_cmd_set_ap_keys *cmd;
+        int ret = 0;
+
+        wl1271_debug(DEBUG_CMD, "cmd set_ap_default_wep_key %d", id);
+
+        cmd = kzalloc(sizeof(*cmd), GFP_KERNEL);
+        if (!cmd) {
+                ret = -ENOMEM;
+                goto out;
+        }
+
+        cmd->hlid = WL1271_AP_BROADCAST_HLID;
+        cmd->key_id = id;
+        cmd->lid_key_type = WEP_DEFAULT_LID_TYPE;
+        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_ap_default_wep_key failed: %d", ret);
+                goto out;
+        }
+
+out:
+        kfree(cmd);
+
+        return ret;
+}
+
+int wl1271_cmd_set_sta_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_sta_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_set_ap_key(struct wl1271 *wl, u16 action, u8 id, u8 key_type,
+                        u8 key_size, const u8 *key, u8 hlid, u32 tx_seq_32,
+                        u16 tx_seq_16)
+{
+        struct wl1271_cmd_set_ap_keys *cmd;
+        int ret = 0;
+        u8 lid_type;
+
+        cmd = kzalloc(sizeof(*cmd), GFP_KERNEL);
+        if (!cmd)
+                return -ENOMEM;
+
+        if (hlid == WL1271_AP_BROADCAST_HLID) {
+                if (key_type == KEY_WEP)
+                        lid_type = WEP_DEFAULT_LID_TYPE;
+                else
+                        lid_type = BROADCAST_LID_TYPE;
+        } else {
+                lid_type = UNICAST_LID_TYPE;
+        }
+
+        wl1271_debug(DEBUG_CRYPT, "ap key action: %d id: %d lid: %d type: %d"
+                     " hlid: %d", (int)action, (int)id, (int)lid_type,
+                     (int)key_type, (int)hlid);
+
+        cmd->lid_key_type = lid_type;
+        cmd->hlid = hlid;
+        cmd->key_action = cpu_to_le16(action);
+        cmd->key_size = key_size;
+        cmd->key_type = key_type;
+        cmd->key_id = id;
+        cmd->ac_seq_num16[0] = cpu_to_le16(tx_seq_16);
+        cmd->ac_seq_num32[0] = cpu_to_le32(tx_seq_32);
+
+        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 AP KEY: ", cmd, sizeof(*cmd));
+
+        ret = wl1271_cmd_send(wl, CMD_SET_KEYS, cmd, sizeof(*cmd), 0);
+        if (ret < 0) {
+                wl1271_warning("could not set ap 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;
+}
+
+int wl1271_cmd_start_bss(struct wl1271 *wl)
+{
+        struct wl1271_cmd_bss_start *cmd;
+        struct ieee80211_bss_conf *bss_conf = &wl->vif->bss_conf;
+        int ret;
+
+        wl1271_debug(DEBUG_CMD, "cmd start bss");
+
+        /*
+         * FIXME: We currently do not support hidden SSID. The real SSID
+         * should be fetched from mac80211 first.
+         */
+        if (wl->ssid_len == 0) {
+                wl1271_warning("Hidden SSID currently not supported for AP");
+                ret = -EINVAL;
+                goto out;
+        }
+
+        cmd = kzalloc(sizeof(*cmd), GFP_KERNEL);
+        if (!cmd) {
+                ret = -ENOMEM;
+                goto out;
+        }
+
+        memcpy(cmd->bssid, bss_conf->bssid, ETH_ALEN);
+
+        cmd->aging_period = cpu_to_le16(wl->conf.tx.ap_aging_period);
+        cmd->bss_index = WL1271_AP_BSS_INDEX;
+        cmd->global_hlid = WL1271_AP_GLOBAL_HLID;
+        cmd->broadcast_hlid = WL1271_AP_BROADCAST_HLID;
+        cmd->basic_rate_set = cpu_to_le32(wl->basic_rate_set);
+        cmd->beacon_interval = cpu_to_le16(wl->beacon_int);
+        cmd->dtim_interval = bss_conf->dtim_period;
+        cmd->beacon_expiry = WL1271_AP_DEF_BEACON_EXP;
+        cmd->channel = wl->channel;
+        cmd->ssid_len = wl->ssid_len;
+        cmd->ssid_type = SSID_TYPE_PUBLIC;
+        memcpy(cmd->ssid, wl->ssid, wl->ssid_len);
+
+        switch (wl->band) {
+        case IEEE80211_BAND_2GHZ:
+                cmd->band = RADIO_BAND_2_4GHZ;
+                break;
+        case IEEE80211_BAND_5GHZ:
+                cmd->band = RADIO_BAND_5GHZ;
+                break;
+        default:
+                wl1271_warning("bss start - unknown band: %d", (int)wl->band);
+                cmd->band = RADIO_BAND_2_4GHZ;
+                break;
+        }
+
+        ret = wl1271_cmd_send(wl, CMD_BSS_START, cmd, sizeof(*cmd), 0);
+        if (ret < 0) {
+                wl1271_error("failed to initiate cmd start bss");
+                goto out_free;
+        }
+
+out_free:
+        kfree(cmd);
+
+out:
+        return ret;
+}
+
+int wl1271_cmd_stop_bss(struct wl1271 *wl)
+{
+        struct wl1271_cmd_bss_start *cmd;
+        int ret;
+
+        wl1271_debug(DEBUG_CMD, "cmd stop bss");
+
+        cmd = kzalloc(sizeof(*cmd), GFP_KERNEL);
+        if (!cmd) {
+                ret = -ENOMEM;
+                goto out;
+        }
+
+        cmd->bss_index = WL1271_AP_BSS_INDEX;
+
+        ret = wl1271_cmd_send(wl, CMD_BSS_STOP, cmd, sizeof(*cmd), 0);
+        if (ret < 0) {
+                wl1271_error("failed to initiate cmd stop bss");
+                goto out_free;
+        }
+
+out_free:
+        kfree(cmd);
+
+out:
+        return ret;
+}
+
+int wl1271_cmd_add_sta(struct wl1271 *wl, struct ieee80211_sta *sta, u8 hlid)
+{
+        struct wl1271_cmd_add_sta *cmd;
+        int ret;
+
+        wl1271_debug(DEBUG_CMD, "cmd add sta %d", (int)hlid);
+
+        cmd = kzalloc(sizeof(*cmd), GFP_KERNEL);
+        if (!cmd) {
+                ret = -ENOMEM;
+                goto out;
+        }
+
+        /* currently we don't support UAPSD */
+        cmd->sp_len = 0;
+
+        memcpy(cmd->addr, sta->addr, ETH_ALEN);
+        cmd->bss_index = WL1271_AP_BSS_INDEX;
+        cmd->aid = sta->aid;
+        cmd->hlid = hlid;
+        cmd->wmm = sta->wme ? 1 : 0;
+
+        cmd->supported_rates = cpu_to_le32(wl1271_tx_enabled_rates_get(wl,
+                                                sta->supp_rates[wl->band]));
+
+        wl1271_debug(DEBUG_CMD, "new sta rates: 0x%x", cmd->supported_rates);
+
+        ret = wl1271_cmd_send(wl, CMD_ADD_STA, cmd, sizeof(*cmd), 0);
+        if (ret < 0) {
+                wl1271_error("failed to initiate cmd add sta");
+                goto out_free;
+        }
+
+out_free:
+        kfree(cmd);
+
+out:
+        return ret;
+}
+
+int wl1271_cmd_remove_sta(struct wl1271 *wl, u8 hlid)
+{
+        struct wl1271_cmd_remove_sta *cmd;
+        int ret;
+
+        wl1271_debug(DEBUG_CMD, "cmd remove sta %d", (int)hlid);
+
+        cmd = kzalloc(sizeof(*cmd), GFP_KERNEL);
+        if (!cmd) {
+                ret = -ENOMEM;
+                goto out;
+        }
+
+        cmd->hlid = hlid;
+        /* We never send a deauth, mac80211 is in charge of this */
+        cmd->reason_opcode = 0;
+        cmd->send_deauth_flag = 0;
+
+        ret = wl1271_cmd_send(wl, CMD_REMOVE_STA, cmd, sizeof(*cmd), 0);
+        if (ret < 0) {
+                wl1271_error("failed to initiate cmd remove sta");
+                goto out_free;
+        }
+
+        /*
+         * We are ok with a timeout here. The event is sometimes not sent
+         * due to a firmware bug.
+         */
+        wl1271_cmd_wait_for_event_or_timeout(wl, STA_REMOVE_COMPLETE_EVENT_ID);
+
+out_free:
+        kfree(cmd);
+
+out:
+        return ret;
+}
+
+int wl12xx_cmd_config_fwlog(struct wl1271 *wl)
+{
+        struct wl12xx_cmd_config_fwlog *cmd;
+        int ret = 0;
+
+        wl1271_debug(DEBUG_CMD, "cmd config firmware logger");
+
+        cmd = kzalloc(sizeof(*cmd), GFP_KERNEL);
+        if (!cmd) {
+                ret = -ENOMEM;
+                goto out;
+        }
+
+        cmd->logger_mode = wl->conf.fwlog.mode;
+        cmd->log_severity = wl->conf.fwlog.severity;
+        cmd->timestamp = wl->conf.fwlog.timestamp;
+        cmd->output = wl->conf.fwlog.output;
+        cmd->threshold = wl->conf.fwlog.threshold;
+
+        ret = wl1271_cmd_send(wl, CMD_CONFIG_FWLOGGER, cmd, sizeof(*cmd), 0);
+        if (ret < 0) {
+                wl1271_error("failed to send config firmware logger command");
+                goto out_free;
+        }
+
+out_free:
+        kfree(cmd);
+
+out:
+        return ret;
+}
+
+int wl12xx_cmd_start_fwlog(struct wl1271 *wl)
+{
+        struct wl12xx_cmd_start_fwlog *cmd;
+        int ret = 0;
+
+        wl1271_debug(DEBUG_CMD, "cmd start firmware logger");
+
+        cmd = kzalloc(sizeof(*cmd), GFP_KERNEL);
+        if (!cmd) {
+                ret = -ENOMEM;
+                goto out;
+        }
+
+        ret = wl1271_cmd_send(wl, CMD_START_FWLOGGER, cmd, sizeof(*cmd), 0);
+        if (ret < 0) {
+                wl1271_error("failed to send start firmware logger command");
+                goto out_free;
+        }
+
+out_free:
+        kfree(cmd);
+
+out:
+        return ret;
+}
+
+int wl12xx_cmd_stop_fwlog(struct wl1271 *wl)
+{
+        struct wl12xx_cmd_stop_fwlog *cmd;
+        int ret = 0;
+
+        wl1271_debug(DEBUG_CMD, "cmd stop firmware logger");
+
+        cmd = kzalloc(sizeof(*cmd), GFP_KERNEL);
+        if (!cmd) {
+                ret = -ENOMEM;
+                goto out;
+        }
+
+        ret = wl1271_cmd_send(wl, CMD_STOP_FWLOGGER, cmd, sizeof(*cmd), 0);
+        if (ret < 0) {
+                wl1271_error("failed to send stop firmware logger command");
+                goto out_free;
+        }
+
+out_free:
+        kfree(cmd);
+
+out:
+        return ret;
+}