| /* |
| * 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" |
| #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 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 = |
| &((struct wl1271_nvs_file *)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 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; |
| |
| 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_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) { |
| ieee80211_queue_work(wl->hw, &wl->recovery_work); |
| 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; |
| |
| /* reset TX security counters */ |
| wl->tx_security_last_seq = 0; |
| wl->tx_security_seq = 0; |
| |
| 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: 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) |
| { |
| 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(WL1271_AP_DEF_INACTIV_SEC); |
| 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; |
| |
| /* |
| * FIXME: Does STA support QOS? We need to propagate this info from |
| * hostapd. Currently not that important since this is only used for |
| * sending the correct flavor of null-data packet in response to a |
| * trigger. |
| */ |
| cmd->wmm = 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; |
| } |