diff options
Diffstat (limited to 'drivers/net/wireless/wl12xx/wl1271_cmd.c')
| -rw-r--r-- | drivers/net/wireless/wl12xx/wl1271_cmd.c | 985 |
1 files changed, 0 insertions, 985 deletions
diff --git a/drivers/net/wireless/wl12xx/wl1271_cmd.c b/drivers/net/wireless/wl12xx/wl1271_cmd.c deleted file mode 100644 index 19393e236e2..00000000000 --- a/drivers/net/wireless/wl12xx/wl1271_cmd.c +++ /dev/null @@ -1,985 +0,0 @@ -/* - * 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 "wl1271.h" -#include "wl1271_reg.h" -#include "wl1271_io.h" -#include "wl1271_acx.h" -#include "wl12xx_80211.h" -#include "wl1271_cmd.h" -#include "wl1271_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); - ret = -EIO; - } - - wl1271_write32(wl, ACX_REG_INTERRUPT_ACK, - WL1271_ACX_INTR_CMD_COMPLETE); - -out: - return ret; -} - -static int wl1271_cmd_cal_channel_tune(struct wl1271 *wl) -{ - struct wl1271_cmd_cal_channel_tune *cmd; - int ret = 0; - - cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); - if (!cmd) - return -ENOMEM; - - cmd->test.id = TEST_CMD_CHANNEL_TUNE; - - cmd->band = WL1271_CHANNEL_TUNE_BAND_2_4; - /* set up any channel, 7 is in the middle of the range */ - cmd->channel = 7; - - ret = wl1271_cmd_test(wl, cmd, sizeof(*cmd), 0); - if (ret < 0) - wl1271_warning("TEST_CMD_CHANNEL_TUNE failed"); - - kfree(cmd); - return ret; -} - -static int wl1271_cmd_cal_update_ref_point(struct wl1271 *wl) -{ - struct wl1271_cmd_cal_update_ref_point *cmd; - int ret = 0; - - cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); - if (!cmd) - return -ENOMEM; - - cmd->test.id = TEST_CMD_UPDATE_PD_REFERENCE_POINT; - - /* FIXME: still waiting for the correct values */ - cmd->ref_power = 0; - cmd->ref_detector = 0; - - cmd->sub_band = WL1271_PD_REFERENCE_POINT_BAND_B_G; - - ret = wl1271_cmd_test(wl, cmd, sizeof(*cmd), 0); - if (ret < 0) - wl1271_warning("TEST_CMD_UPDATE_PD_REFERENCE_POINT failed"); - - kfree(cmd); - return ret; -} - -static int wl1271_cmd_cal_p2g(struct wl1271 *wl) -{ - struct wl1271_cmd_cal_p2g *cmd; - int ret = 0; - - cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); - if (!cmd) - return -ENOMEM; - - cmd->test.id = TEST_CMD_P2G_CAL; - - cmd->sub_band_mask = WL1271_CAL_P2G_BAND_B_G; - - ret = wl1271_cmd_test(wl, cmd, sizeof(*cmd), 0); - if (ret < 0) - wl1271_warning("TEST_CMD_P2G_CAL failed"); - - kfree(cmd); - return ret; -} - -static int wl1271_cmd_cal(struct wl1271 *wl) -{ - /* - * FIXME: we must make sure that we're not sleeping when calibration - * is done - */ - int ret; - - wl1271_notice("performing tx calibration"); - - ret = wl1271_cmd_cal_channel_tune(wl); - if (ret < 0) - return ret; - - ret = wl1271_cmd_cal_update_ref_point(wl); - if (ret < 0) - return ret; - - ret = wl1271_cmd_cal_p2g(wl); - if (ret < 0) - return ret; - - return ret; -} - -int wl1271_cmd_general_parms(struct wl1271 *wl) -{ - struct wl1271_general_parms_cmd *gen_parms; - 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->params, wl->nvs->general_params, - WL1271_NVS_GENERAL_PARAMS_SIZE); - - ret = wl1271_cmd_test(wl, gen_parms, sizeof(*gen_parms), 0); - if (ret < 0) - wl1271_warning("CMD_INI_FILE_GENERAL_PARAM failed"); - - kfree(gen_parms); - return ret; -} - -int wl1271_cmd_radio_parms(struct wl1271 *wl) -{ - struct wl1271_radio_parms_cmd *radio_parms; - struct conf_radio_parms *rparam = &wl->conf.init.radioparam; - 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; - - memcpy(radio_parms->stat_radio_params, wl->nvs->stat_radio_params, - WL1271_NVS_STAT_RADIO_PARAMS_SIZE); - memcpy(radio_parms->dyn_radio_params, - wl->nvs->dyn_radio_params[rparam->fem], - WL1271_NVS_DYN_RADIO_PARAMS_SIZE); - - /* FIXME: current NVS is missing 5GHz parameters */ - - 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; -} - -/* - * 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)) - 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) -{ - static bool do_cal = true; - struct wl1271_cmd_join *join; - int ret, i; - u8 *bssid; - - /* FIXME: remove when we get calibration from the factory */ - if (do_cal) { - ret = wl1271_cmd_cal(wl); - if (ret < 0) - wl1271_warning("couldn't calibrate"); - else - do_cal = false; - } - - 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 = WL1271_JOIN_CMD_CTRL_TX_FLUSH; - - /* increment the session counter */ - wl->session_counter++; - if (wl->session_counter >= SESSION_COUNTER_MAX) - wl->session_counter = 0; - - 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, bool send) -{ - struct wl1271_cmd_ps_params *ps_params = NULL; - int ret = 0; - - /* FIXME: this should be in ps.c */ - ret = wl1271_acx_wake_up_conditions(wl); - if (ret < 0) { - wl1271_error("couldn't set wake up conditions"); - goto out; - } - - 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 = 5; - ps_params->hang_over_period = 1; - ps_params->null_data_rate = cpu_to_le32(1); /* 1 Mbps */ - - 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_read_memory(struct wl1271 *wl, u32 addr, void *answer, - size_t len) -{ - struct cmd_read_write_memory *cmd; - int ret = 0; - - wl1271_debug(DEBUG_CMD, "cmd read memory"); - - cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); - if (!cmd) { - ret = -ENOMEM; - goto out; - } - - WARN_ON(len > MAX_READ_SIZE); - len = min_t(size_t, len, MAX_READ_SIZE); - - cmd->addr = cpu_to_le32(addr); - cmd->size = cpu_to_le32(len); - - ret = wl1271_cmd_send(wl, CMD_READ_MEMORY, cmd, sizeof(*cmd), - sizeof(*cmd)); - if (ret < 0) { - wl1271_error("read memory command failed: %d", ret); - goto out; - } - - /* the read command got in */ - memcpy(answer, cmd->value, len); - -out: - kfree(cmd); - return ret; -} - -int wl1271_cmd_scan(struct wl1271 *wl, const u8 *ssid, size_t ssid_len, - const u8 *ie, size_t ie_len, u8 active_scan, - u8 high_prio, u8 band, u8 probe_requests) -{ - - struct wl1271_cmd_trigger_scan_to *trigger = NULL; - struct wl1271_cmd_scan *params = NULL; - struct ieee80211_channel *channels; - u32 rate; - int i, j, n_ch, ret; - u16 scan_options = 0; - u8 ieee_band; - - if (band == WL1271_SCAN_BAND_2_4_GHZ) { - ieee_band = IEEE80211_BAND_2GHZ; - rate = wl->conf.tx.basic_rate; - } else if (band == WL1271_SCAN_BAND_DUAL && wl1271_11a_enabled()) { - ieee_band = IEEE80211_BAND_2GHZ; - rate = wl->conf.tx.basic_rate; - } else if (band == WL1271_SCAN_BAND_5_GHZ && wl1271_11a_enabled()) { - ieee_band = IEEE80211_BAND_5GHZ; - rate = wl->conf.tx.basic_rate_5; - } else - return -EINVAL; - - if (wl->hw->wiphy->bands[ieee_band]->channels == NULL) - return -EINVAL; - - channels = wl->hw->wiphy->bands[ieee_band]->channels; - n_ch = wl->hw->wiphy->bands[ieee_band]->n_channels; - - if (test_bit(WL1271_FLAG_SCANNING, &wl->flags)) - return -EINVAL; - - params = kzalloc(sizeof(*params), GFP_KERNEL); - if (!params) - return -ENOMEM; - - params->params.rx_config_options = cpu_to_le32(CFG_RX_ALL_GOOD); - params->params.rx_filter_options = - cpu_to_le32(CFG_RX_PRSP_EN | CFG_RX_MGMT_EN | CFG_RX_BCN_EN); - - if (!active_scan) - scan_options |= WL1271_SCAN_OPT_PASSIVE; - if (high_prio) - scan_options |= WL1271_SCAN_OPT_PRIORITY_HIGH; - params->params.scan_options = cpu_to_le16(scan_options); - - params->params.num_probe_requests = probe_requests; - params->params.tx_rate = cpu_to_le32(rate); - params->params.tid_trigger = 0; - params->params.scan_tag = WL1271_SCAN_DEFAULT_TAG; - - if (band == WL1271_SCAN_BAND_DUAL) - params->params.band = WL1271_SCAN_BAND_2_4_GHZ; - else - params->params.band = band; - - for (i = 0, j = 0; i < n_ch && i < WL1271_SCAN_MAX_CHANNELS; i++) { - if (!(channels[i].flags & IEEE80211_CHAN_DISABLED)) { - params->channels[j].min_duration = - cpu_to_le32(WL1271_SCAN_CHAN_MIN_DURATION); - params->channels[j].max_duration = - cpu_to_le32(WL1271_SCAN_CHAN_MAX_DURATION); - memset(¶ms->channels[j].bssid_lsb, 0xff, 4); - memset(¶ms->channels[j].bssid_msb, 0xff, 2); - params->channels[j].early_termination = 0; - params->channels[j].tx_power_att = - WL1271_SCAN_CURRENT_TX_PWR; - params->channels[j].channel = channels[i].hw_value; - j++; - } - } - - params->params.num_channels = j; - - if (ssid_len && ssid) { - params->params.ssid_len = ssid_len; - memcpy(params->params.ssid, ssid, ssid_len); - } - - ret = wl1271_cmd_build_probe_req(wl, ssid, ssid_len, - ie, ie_len, ieee_band); - if (ret < 0) { - wl1271_error("PROBE request template failed"); - goto out; - } - - trigger = kzalloc(sizeof(*trigger), GFP_KERNEL); - if (!trigger) { - ret = -ENOMEM; - goto out; - } - - /* disable the timeout */ - trigger->timeout = 0; - - ret = wl1271_cmd_send(wl, CMD_TRIGGER_SCAN_TO, trigger, - sizeof(*trigger), 0); - if (ret < 0) { - wl1271_error("trigger scan to failed for hw scan"); - goto out; - } - - wl1271_dump(DEBUG_SCAN, "SCAN: ", params, sizeof(*params)); - - set_bit(WL1271_FLAG_SCANNING, &wl->flags); - if (wl1271_11a_enabled()) { - wl->scan.state = band; - if (band == WL1271_SCAN_BAND_DUAL) { - wl->scan.active = active_scan; - wl->scan.high_prio = high_prio; - wl->scan.probe_requests = probe_requests; - if (ssid_len && ssid) { - wl->scan.ssid_len = ssid_len; - memcpy(wl->scan.ssid, ssid, ssid_len); - } else - wl->scan.ssid_len = 0; - } - } - - ret = wl1271_cmd_send(wl, CMD_SCAN, params, sizeof(*params), 0); - if (ret < 0) { - wl1271_error("SCAN failed"); - clear_bit(WL1271_FLAG_SCANNING, &wl->flags); - goto out; - } - -out: - kfree(params); - kfree(trigger); - 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, - WL1271_RATE_AUTOMATIC); - -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, - WL1271_RATE_AUTOMATIC); - -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); - -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, - WL1271_RATE_AUTOMATIC); -} - -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; -} |