| /* |
| * 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 "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; |
| } |