| /* |
| * 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 "wlcore.h" |
| #include "debug.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); |
| |
| /* |
| * TODO: we just need this because one bit is in a different |
| * place. Is there any better way? |
| */ |
| wl->ops->trigger_cmd(wl, wl->cmd_box_addr, buf, len); |
| |
| timeout = jiffies + msecs_to_jiffies(WL1271_COMMAND_TIMEOUT); |
| |
| intr = wlcore_read_reg(wl, 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 = wlcore_read_reg(wl, 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; |
| } |
| |
| wlcore_write_reg(wl, REG_INTERRUPT_ACK, WL1271_ACX_INTR_CMD_COMPLETE); |
| return 0; |
| |
| fail: |
| WARN_ON(1); |
| wl12xx_queue_recovery_work(wl); |
| 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; |
| u32 event; |
| unsigned long timeout; |
| int ret = 0; |
| |
| events_vector = kmalloc(sizeof(*events_vector), GFP_DMA); |
| |
| 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); |
| ret = -ETIMEDOUT; |
| goto out; |
| } |
| |
| 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); |
| |
| out: |
| kfree(events_vector); |
| return ret; |
| } |
| |
| 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 wl12xx_cmd_role_enable(struct wl1271 *wl, u8 *addr, u8 role_type, |
| u8 *role_id) |
| { |
| struct wl12xx_cmd_role_enable *cmd; |
| int ret; |
| |
| wl1271_debug(DEBUG_CMD, "cmd role enable"); |
| |
| if (WARN_ON(*role_id != WL12XX_INVALID_ROLE_ID)) |
| return -EBUSY; |
| |
| cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); |
| if (!cmd) { |
| ret = -ENOMEM; |
| goto out; |
| } |
| |
| /* get role id */ |
| cmd->role_id = find_first_zero_bit(wl->roles_map, WL12XX_MAX_ROLES); |
| if (cmd->role_id >= WL12XX_MAX_ROLES) { |
| ret = -EBUSY; |
| goto out_free; |
| } |
| |
| memcpy(cmd->mac_address, addr, ETH_ALEN); |
| cmd->role_type = role_type; |
| |
| ret = wl1271_cmd_send(wl, CMD_ROLE_ENABLE, cmd, sizeof(*cmd), 0); |
| if (ret < 0) { |
| wl1271_error("failed to initiate cmd role enable"); |
| goto out_free; |
| } |
| |
| __set_bit(cmd->role_id, wl->roles_map); |
| *role_id = cmd->role_id; |
| |
| out_free: |
| kfree(cmd); |
| |
| out: |
| return ret; |
| } |
| |
| int wl12xx_cmd_role_disable(struct wl1271 *wl, u8 *role_id) |
| { |
| struct wl12xx_cmd_role_disable *cmd; |
| int ret; |
| |
| wl1271_debug(DEBUG_CMD, "cmd role disable"); |
| |
| if (WARN_ON(*role_id == WL12XX_INVALID_ROLE_ID)) |
| return -ENOENT; |
| |
| cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); |
| if (!cmd) { |
| ret = -ENOMEM; |
| goto out; |
| } |
| cmd->role_id = *role_id; |
| |
| ret = wl1271_cmd_send(wl, CMD_ROLE_DISABLE, cmd, sizeof(*cmd), 0); |
| if (ret < 0) { |
| wl1271_error("failed to initiate cmd role disable"); |
| goto out_free; |
| } |
| |
| __clear_bit(*role_id, wl->roles_map); |
| *role_id = WL12XX_INVALID_ROLE_ID; |
| |
| out_free: |
| kfree(cmd); |
| |
| out: |
| return ret; |
| } |
| |
| int wl12xx_allocate_link(struct wl1271 *wl, struct wl12xx_vif *wlvif, u8 *hlid) |
| { |
| unsigned long flags; |
| u8 link = find_first_zero_bit(wl->links_map, WL12XX_MAX_LINKS); |
| if (link >= WL12XX_MAX_LINKS) |
| return -EBUSY; |
| |
| /* these bits are used by op_tx */ |
| spin_lock_irqsave(&wl->wl_lock, flags); |
| __set_bit(link, wl->links_map); |
| __set_bit(link, wlvif->links_map); |
| spin_unlock_irqrestore(&wl->wl_lock, flags); |
| *hlid = link; |
| return 0; |
| } |
| |
| void wl12xx_free_link(struct wl1271 *wl, struct wl12xx_vif *wlvif, u8 *hlid) |
| { |
| unsigned long flags; |
| |
| if (*hlid == WL12XX_INVALID_LINK_ID) |
| return; |
| |
| /* these bits are used by op_tx */ |
| spin_lock_irqsave(&wl->wl_lock, flags); |
| __clear_bit(*hlid, wl->links_map); |
| __clear_bit(*hlid, wlvif->links_map); |
| spin_unlock_irqrestore(&wl->wl_lock, flags); |
| |
| /* |
| * At this point op_tx() will not add more packets to the queues. We |
| * can purge them. |
| */ |
| wl1271_tx_reset_link_queues(wl, *hlid); |
| |
| *hlid = WL12XX_INVALID_LINK_ID; |
| } |
| |
| static int wl12xx_get_new_session_id(struct wl1271 *wl, |
| struct wl12xx_vif *wlvif) |
| { |
| if (wlvif->session_counter >= SESSION_COUNTER_MAX) |
| wlvif->session_counter = 0; |
| |
| wlvif->session_counter++; |
| |
| return wlvif->session_counter; |
| } |
| |
| static int wl12xx_cmd_role_start_dev(struct wl1271 *wl, |
| struct wl12xx_vif *wlvif) |
| { |
| struct wl12xx_cmd_role_start *cmd; |
| int ret; |
| |
| cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); |
| if (!cmd) { |
| ret = -ENOMEM; |
| goto out; |
| } |
| |
| wl1271_debug(DEBUG_CMD, "cmd role start dev %d", wlvif->dev_role_id); |
| |
| cmd->role_id = wlvif->dev_role_id; |
| if (wlvif->band == IEEE80211_BAND_5GHZ) |
| cmd->band = WLCORE_BAND_5GHZ; |
| cmd->channel = wlvif->channel; |
| |
| if (wlvif->dev_hlid == WL12XX_INVALID_LINK_ID) { |
| ret = wl12xx_allocate_link(wl, wlvif, &wlvif->dev_hlid); |
| if (ret) |
| goto out_free; |
| } |
| cmd->device.hlid = wlvif->dev_hlid; |
| cmd->device.session = wl12xx_get_new_session_id(wl, wlvif); |
| |
| wl1271_debug(DEBUG_CMD, "role start: roleid=%d, hlid=%d, session=%d", |
| cmd->role_id, cmd->device.hlid, cmd->device.session); |
| |
| ret = wl1271_cmd_send(wl, CMD_ROLE_START, cmd, sizeof(*cmd), 0); |
| if (ret < 0) { |
| wl1271_error("failed to initiate cmd role enable"); |
| goto err_hlid; |
| } |
| |
| goto out_free; |
| |
| err_hlid: |
| /* clear links on error */ |
| wl12xx_free_link(wl, wlvif, &wlvif->dev_hlid); |
| |
| out_free: |
| kfree(cmd); |
| |
| out: |
| return ret; |
| } |
| |
| static int wl12xx_cmd_role_stop_dev(struct wl1271 *wl, |
| struct wl12xx_vif *wlvif) |
| { |
| struct wl12xx_cmd_role_stop *cmd; |
| int ret; |
| |
| if (WARN_ON(wlvif->dev_hlid == WL12XX_INVALID_LINK_ID)) |
| return -EINVAL; |
| |
| cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); |
| if (!cmd) { |
| ret = -ENOMEM; |
| goto out; |
| } |
| |
| wl1271_debug(DEBUG_CMD, "cmd role stop dev"); |
| |
| cmd->role_id = wlvif->dev_role_id; |
| cmd->disc_type = DISCONNECT_IMMEDIATE; |
| cmd->reason = cpu_to_le16(WLAN_REASON_UNSPECIFIED); |
| |
| ret = wl1271_cmd_send(wl, CMD_ROLE_STOP, cmd, sizeof(*cmd), 0); |
| if (ret < 0) { |
| wl1271_error("failed to initiate cmd role stop"); |
| goto out_free; |
| } |
| |
| ret = wl1271_cmd_wait_for_event(wl, ROLE_STOP_COMPLETE_EVENT_ID); |
| if (ret < 0) { |
| wl1271_error("cmd role stop dev event completion error"); |
| goto out_free; |
| } |
| |
| wl12xx_free_link(wl, wlvif, &wlvif->dev_hlid); |
| |
| out_free: |
| kfree(cmd); |
| |
| out: |
| return ret; |
| } |
| |
| int wl12xx_cmd_role_start_sta(struct wl1271 *wl, struct wl12xx_vif *wlvif) |
| { |
| struct ieee80211_vif *vif = wl12xx_wlvif_to_vif(wlvif); |
| struct wl12xx_cmd_role_start *cmd; |
| int ret; |
| |
| cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); |
| if (!cmd) { |
| ret = -ENOMEM; |
| goto out; |
| } |
| |
| wl1271_debug(DEBUG_CMD, "cmd role start sta %d", wlvif->role_id); |
| |
| cmd->role_id = wlvif->role_id; |
| if (wlvif->band == IEEE80211_BAND_5GHZ) |
| cmd->band = WLCORE_BAND_5GHZ; |
| cmd->channel = wlvif->channel; |
| cmd->sta.basic_rate_set = cpu_to_le32(wlvif->basic_rate_set); |
| cmd->sta.beacon_interval = cpu_to_le16(wlvif->beacon_int); |
| cmd->sta.ssid_type = WL12XX_SSID_TYPE_ANY; |
| cmd->sta.ssid_len = wlvif->ssid_len; |
| memcpy(cmd->sta.ssid, wlvif->ssid, wlvif->ssid_len); |
| memcpy(cmd->sta.bssid, vif->bss_conf.bssid, ETH_ALEN); |
| cmd->sta.local_rates = cpu_to_le32(wlvif->rate_set); |
| |
| if (wlvif->sta.hlid == WL12XX_INVALID_LINK_ID) { |
| ret = wl12xx_allocate_link(wl, wlvif, &wlvif->sta.hlid); |
| if (ret) |
| goto out_free; |
| } |
| cmd->sta.hlid = wlvif->sta.hlid; |
| cmd->sta.session = wl12xx_get_new_session_id(wl, wlvif); |
| cmd->sta.remote_rates = cpu_to_le32(wlvif->rate_set); |
| |
| wl1271_debug(DEBUG_CMD, "role start: roleid=%d, hlid=%d, session=%d " |
| "basic_rate_set: 0x%x, remote_rates: 0x%x", |
| wlvif->role_id, cmd->sta.hlid, cmd->sta.session, |
| wlvif->basic_rate_set, wlvif->rate_set); |
| |
| ret = wl1271_cmd_send(wl, CMD_ROLE_START, cmd, sizeof(*cmd), 0); |
| if (ret < 0) { |
| wl1271_error("failed to initiate cmd role start sta"); |
| goto err_hlid; |
| } |
| |
| goto out_free; |
| |
| err_hlid: |
| /* clear links on error. */ |
| wl12xx_free_link(wl, wlvif, &wlvif->sta.hlid); |
| |
| out_free: |
| kfree(cmd); |
| |
| out: |
| return ret; |
| } |
| |
| /* use this function to stop ibss as well */ |
| int wl12xx_cmd_role_stop_sta(struct wl1271 *wl, struct wl12xx_vif *wlvif) |
| { |
| struct wl12xx_cmd_role_stop *cmd; |
| int ret; |
| |
| if (WARN_ON(wlvif->sta.hlid == WL12XX_INVALID_LINK_ID)) |
| return -EINVAL; |
| |
| cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); |
| if (!cmd) { |
| ret = -ENOMEM; |
| goto out; |
| } |
| |
| wl1271_debug(DEBUG_CMD, "cmd role stop sta %d", wlvif->role_id); |
| |
| cmd->role_id = wlvif->role_id; |
| cmd->disc_type = DISCONNECT_IMMEDIATE; |
| cmd->reason = cpu_to_le16(WLAN_REASON_UNSPECIFIED); |
| |
| ret = wl1271_cmd_send(wl, CMD_ROLE_STOP, cmd, sizeof(*cmd), 0); |
| if (ret < 0) { |
| wl1271_error("failed to initiate cmd role stop sta"); |
| goto out_free; |
| } |
| |
| wl12xx_free_link(wl, wlvif, &wlvif->sta.hlid); |
| |
| out_free: |
| kfree(cmd); |
| |
| out: |
| return ret; |
| } |
| |
| int wl12xx_cmd_role_start_ap(struct wl1271 *wl, struct wl12xx_vif *wlvif) |
| { |
| struct wl12xx_cmd_role_start *cmd; |
| struct ieee80211_vif *vif = wl12xx_wlvif_to_vif(wlvif); |
| struct ieee80211_bss_conf *bss_conf = &vif->bss_conf; |
| int ret; |
| |
| wl1271_debug(DEBUG_CMD, "cmd role start ap %d", wlvif->role_id); |
| |
| /* trying to use hidden SSID with an old hostapd version */ |
| if (wlvif->ssid_len == 0 && !bss_conf->hidden_ssid) { |
| wl1271_error("got a null SSID from beacon/bss"); |
| ret = -EINVAL; |
| goto out; |
| } |
| |
| cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); |
| if (!cmd) { |
| ret = -ENOMEM; |
| goto out; |
| } |
| |
| ret = wl12xx_allocate_link(wl, wlvif, &wlvif->ap.global_hlid); |
| if (ret < 0) |
| goto out_free; |
| |
| ret = wl12xx_allocate_link(wl, wlvif, &wlvif->ap.bcast_hlid); |
| if (ret < 0) |
| goto out_free_global; |
| |
| cmd->role_id = wlvif->role_id; |
| cmd->ap.aging_period = cpu_to_le16(wl->conf.tx.ap_aging_period); |
| cmd->ap.bss_index = WL1271_AP_BSS_INDEX; |
| cmd->ap.global_hlid = wlvif->ap.global_hlid; |
| cmd->ap.broadcast_hlid = wlvif->ap.bcast_hlid; |
| cmd->ap.basic_rate_set = cpu_to_le32(wlvif->basic_rate_set); |
| cmd->ap.beacon_interval = cpu_to_le16(wlvif->beacon_int); |
| cmd->ap.dtim_interval = bss_conf->dtim_period; |
| cmd->ap.beacon_expiry = WL1271_AP_DEF_BEACON_EXP; |
| /* FIXME: Change when adding DFS */ |
| cmd->ap.reset_tsf = 1; /* By default reset AP TSF */ |
| cmd->channel = wlvif->channel; |
| |
| if (!bss_conf->hidden_ssid) { |
| /* take the SSID from the beacon for backward compatibility */ |
| cmd->ap.ssid_type = WL12XX_SSID_TYPE_PUBLIC; |
| cmd->ap.ssid_len = wlvif->ssid_len; |
| memcpy(cmd->ap.ssid, wlvif->ssid, wlvif->ssid_len); |
| } else { |
| cmd->ap.ssid_type = WL12XX_SSID_TYPE_HIDDEN; |
| cmd->ap.ssid_len = bss_conf->ssid_len; |
| memcpy(cmd->ap.ssid, bss_conf->ssid, bss_conf->ssid_len); |
| } |
| |
| cmd->ap.local_rates = cpu_to_le32(0xffffffff); |
| |
| switch (wlvif->band) { |
| case IEEE80211_BAND_2GHZ: |
| cmd->band = WLCORE_BAND_2_4GHZ; |
| break; |
| case IEEE80211_BAND_5GHZ: |
| cmd->band = WLCORE_BAND_5GHZ; |
| break; |
| default: |
| wl1271_warning("ap start - unknown band: %d", (int)wlvif->band); |
| cmd->band = WLCORE_BAND_2_4GHZ; |
| break; |
| } |
| |
| ret = wl1271_cmd_send(wl, CMD_ROLE_START, cmd, sizeof(*cmd), 0); |
| if (ret < 0) { |
| wl1271_error("failed to initiate cmd role start ap"); |
| goto out_free_bcast; |
| } |
| |
| goto out_free; |
| |
| out_free_bcast: |
| wl12xx_free_link(wl, wlvif, &wlvif->ap.bcast_hlid); |
| |
| out_free_global: |
| wl12xx_free_link(wl, wlvif, &wlvif->ap.global_hlid); |
| |
| out_free: |
| kfree(cmd); |
| |
| out: |
| return ret; |
| } |
| |
| int wl12xx_cmd_role_stop_ap(struct wl1271 *wl, struct wl12xx_vif *wlvif) |
| { |
| struct wl12xx_cmd_role_stop *cmd; |
| int ret; |
| |
| cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); |
| if (!cmd) { |
| ret = -ENOMEM; |
| goto out; |
| } |
| |
| wl1271_debug(DEBUG_CMD, "cmd role stop ap %d", wlvif->role_id); |
| |
| cmd->role_id = wlvif->role_id; |
| |
| ret = wl1271_cmd_send(wl, CMD_ROLE_STOP, cmd, sizeof(*cmd), 0); |
| if (ret < 0) { |
| wl1271_error("failed to initiate cmd role stop ap"); |
| goto out_free; |
| } |
| |
| wl12xx_free_link(wl, wlvif, &wlvif->ap.bcast_hlid); |
| wl12xx_free_link(wl, wlvif, &wlvif->ap.global_hlid); |
| |
| out_free: |
| kfree(cmd); |
| |
| out: |
| return ret; |
| } |
| |
| int wl12xx_cmd_role_start_ibss(struct wl1271 *wl, struct wl12xx_vif *wlvif) |
| { |
| struct ieee80211_vif *vif = wl12xx_wlvif_to_vif(wlvif); |
| struct wl12xx_cmd_role_start *cmd; |
| struct ieee80211_bss_conf *bss_conf = &vif->bss_conf; |
| int ret; |
| |
| cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); |
| if (!cmd) { |
| ret = -ENOMEM; |
| goto out; |
| } |
| |
| wl1271_debug(DEBUG_CMD, "cmd role start ibss %d", wlvif->role_id); |
| |
| cmd->role_id = wlvif->role_id; |
| if (wlvif->band == IEEE80211_BAND_5GHZ) |
| cmd->band = WLCORE_BAND_5GHZ; |
| cmd->channel = wlvif->channel; |
| cmd->ibss.basic_rate_set = cpu_to_le32(wlvif->basic_rate_set); |
| cmd->ibss.beacon_interval = cpu_to_le16(wlvif->beacon_int); |
| cmd->ibss.dtim_interval = bss_conf->dtim_period; |
| cmd->ibss.ssid_type = WL12XX_SSID_TYPE_ANY; |
| cmd->ibss.ssid_len = wlvif->ssid_len; |
| memcpy(cmd->ibss.ssid, wlvif->ssid, wlvif->ssid_len); |
| memcpy(cmd->ibss.bssid, vif->bss_conf.bssid, ETH_ALEN); |
| cmd->sta.local_rates = cpu_to_le32(wlvif->rate_set); |
| |
| if (wlvif->sta.hlid == WL12XX_INVALID_LINK_ID) { |
| ret = wl12xx_allocate_link(wl, wlvif, &wlvif->sta.hlid); |
| if (ret) |
| goto out_free; |
| } |
| cmd->ibss.hlid = wlvif->sta.hlid; |
| cmd->ibss.remote_rates = cpu_to_le32(wlvif->rate_set); |
| |
| wl1271_debug(DEBUG_CMD, "role start: roleid=%d, hlid=%d, session=%d " |
| "basic_rate_set: 0x%x, remote_rates: 0x%x", |
| wlvif->role_id, cmd->sta.hlid, cmd->sta.session, |
| wlvif->basic_rate_set, wlvif->rate_set); |
| |
| wl1271_debug(DEBUG_CMD, "vif->bss_conf.bssid = %pM", |
| vif->bss_conf.bssid); |
| |
| ret = wl1271_cmd_send(wl, CMD_ROLE_START, cmd, sizeof(*cmd), 0); |
| if (ret < 0) { |
| wl1271_error("failed to initiate cmd role enable"); |
| goto err_hlid; |
| } |
| |
| goto out_free; |
| |
| err_hlid: |
| /* clear links on error. */ |
| wl12xx_free_link(wl, wlvif, &wlvif->sta.hlid); |
| |
| out_free: |
| kfree(cmd); |
| |
| 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; |
| } |
| EXPORT_SYMBOL_GPL(wl1271_cmd_test); |
| |
| /** |
| * 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 (%d)", id); |
| |
| 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; |
| } |
| EXPORT_SYMBOL_GPL(wl1271_cmd_configure); |
| |
| 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, struct wl12xx_vif *wlvif, |
| u8 ps_mode, u16 auto_ps_timeout) |
| { |
| 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->role_id = wlvif->role_id; |
| ps_params->ps_mode = ps_mode; |
| ps_params->auto_ps_timeout = auto_ps_timeout; |
| |
| 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, u8 role_id, |
| 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 (role %d)", |
| template_id, role_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; |
| } |
| |
| /* during initialization wlvif is NULL */ |
| cmd->role_id = role_id; |
| 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 wl12xx_cmd_build_null_data(struct wl1271 *wl, struct wl12xx_vif *wlvif) |
| { |
| struct sk_buff *skb = NULL; |
| int size; |
| void *ptr; |
| int ret = -ENOMEM; |
| |
| |
| if (wlvif->bss_type == BSS_TYPE_IBSS) { |
| size = sizeof(struct wl12xx_null_data_template); |
| ptr = NULL; |
| } else { |
| skb = ieee80211_nullfunc_get(wl->hw, |
| wl12xx_wlvif_to_vif(wlvif)); |
| if (!skb) |
| goto out; |
| size = skb->len; |
| ptr = skb->data; |
| } |
| |
| ret = wl1271_cmd_template_set(wl, wlvif->role_id, |
| CMD_TEMPL_NULL_DATA, ptr, size, 0, |
| wlvif->basic_rate); |
| |
| out: |
| dev_kfree_skb(skb); |
| if (ret) |
| wl1271_warning("cmd buld null data failed %d", ret); |
| |
| return ret; |
| |
| } |
| |
| int wl12xx_cmd_build_klv_null_data(struct wl1271 *wl, |
| struct wl12xx_vif *wlvif) |
| { |
| struct ieee80211_vif *vif = wl12xx_wlvif_to_vif(wlvif); |
| struct sk_buff *skb = NULL; |
| int ret = -ENOMEM; |
| |
| skb = ieee80211_nullfunc_get(wl->hw, vif); |
| if (!skb) |
| goto out; |
| |
| ret = wl1271_cmd_template_set(wl, wlvif->role_id, CMD_TEMPL_KLV, |
| skb->data, skb->len, |
| CMD_TEMPL_KLV_IDX_NULL_DATA, |
| wlvif->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, struct wl12xx_vif *wlvif, |
| u16 aid) |
| { |
| struct ieee80211_vif *vif = wl12xx_wlvif_to_vif(wlvif); |
| struct sk_buff *skb; |
| int ret = 0; |
| |
| skb = ieee80211_pspoll_get(wl->hw, vif); |
| if (!skb) |
| goto out; |
| |
| ret = wl1271_cmd_template_set(wl, wlvif->role_id, |
| CMD_TEMPL_PS_POLL, skb->data, |
| skb->len, 0, wlvif->basic_rate_set); |
| |
| out: |
| dev_kfree_skb(skb); |
| return ret; |
| } |
| |
| int wl12xx_cmd_build_probe_req(struct wl1271 *wl, struct wl12xx_vif *wlvif, |
| u8 role_id, u8 band, |
| const u8 *ssid, size_t ssid_len, |
| const u8 *ie, size_t ie_len) |
| { |
| struct ieee80211_vif *vif = wl12xx_wlvif_to_vif(wlvif); |
| struct sk_buff *skb; |
| int ret; |
| u32 rate; |
| |
| skb = ieee80211_probereq_get(wl->hw, vif, ssid, ssid_len, |
| ie, ie_len); |
| if (!skb) { |
| ret = -ENOMEM; |
| goto out; |
| } |
| |
| wl1271_dump(DEBUG_SCAN, "PROBE REQ: ", skb->data, skb->len); |
| |
| rate = wl1271_tx_min_rate_get(wl, wlvif->bitrate_masks[band]); |
| if (band == IEEE80211_BAND_2GHZ) |
| ret = wl1271_cmd_template_set(wl, role_id, |
| CMD_TEMPL_CFG_PROBE_REQ_2_4, |
| skb->data, skb->len, 0, rate); |
| else |
| ret = wl1271_cmd_template_set(wl, role_id, |
| CMD_TEMPL_CFG_PROBE_REQ_5, |
| skb->data, skb->len, 0, rate); |
| |
| out: |
| dev_kfree_skb(skb); |
| return ret; |
| } |
| |
| struct sk_buff *wl1271_cmd_build_ap_probe_req(struct wl1271 *wl, |
| struct wl12xx_vif *wlvif, |
| struct sk_buff *skb) |
| { |
| struct ieee80211_vif *vif = wl12xx_wlvif_to_vif(wlvif); |
| int ret; |
| u32 rate; |
| |
| if (!skb) |
| skb = ieee80211_ap_probereq_get(wl->hw, vif); |
| if (!skb) |
| goto out; |
| |
| wl1271_dump(DEBUG_SCAN, "AP PROBE REQ: ", skb->data, skb->len); |
| |
| rate = wl1271_tx_min_rate_get(wl, wlvif->bitrate_masks[wlvif->band]); |
| if (wlvif->band == IEEE80211_BAND_2GHZ) |
| ret = wl1271_cmd_template_set(wl, wlvif->role_id, |
| CMD_TEMPL_CFG_PROBE_REQ_2_4, |
| skb->data, skb->len, 0, rate); |
| else |
| ret = wl1271_cmd_template_set(wl, wlvif->role_id, |
| CMD_TEMPL_CFG_PROBE_REQ_5, |
| skb->data, skb->len, 0, rate); |
| |
| if (ret < 0) |
| wl1271_error("Unable to set ap probe request template."); |
| |
| out: |
| return skb; |
| } |
| |
| int wl1271_cmd_build_arp_rsp(struct wl1271 *wl, struct wl12xx_vif *wlvif) |
| { |
| int ret, extra; |
| u16 fc; |
| struct ieee80211_vif *vif = wl12xx_wlvif_to_vif(wlvif); |
| struct sk_buff *skb; |
| struct wl12xx_arp_rsp_template *tmpl; |
| struct ieee80211_hdr_3addr *hdr; |
| struct arphdr *arp_hdr; |
| |
| skb = dev_alloc_skb(sizeof(*hdr) + sizeof(__le16) + sizeof(*tmpl) + |
| WL1271_EXTRA_SPACE_MAX); |
| if (!skb) { |
| wl1271_error("failed to allocate buffer for arp rsp template"); |
| return -ENOMEM; |
| } |
| |
| skb_reserve(skb, sizeof(*hdr) + WL1271_EXTRA_SPACE_MAX); |
| |
| tmpl = (struct wl12xx_arp_rsp_template *)skb_put(skb, sizeof(*tmpl)); |
| memset(tmpl, 0, sizeof(tmpl)); |
| |
| /* 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, vif->addr, ETH_ALEN); |
| tmpl->sender_ip = wlvif->ip_addr; |
| |
| /* encryption space */ |
| switch (wlvif->encryption_type) { |
| case KEY_TKIP: |
| extra = WL1271_EXTRA_SPACE_TKIP; |
| break; |
| case KEY_AES: |
| extra = WL1271_EXTRA_SPACE_AES; |
| break; |
| case KEY_NONE: |
| case KEY_WEP: |
| case KEY_GEM: |
| extra = 0; |
| break; |
| default: |
| wl1271_warning("Unknown encryption type: %d", |
| wlvif->encryption_type); |
| ret = -EINVAL; |
| goto out; |
| } |
| |
| if (extra) { |
| u8 *space = skb_push(skb, extra); |
| memset(space, 0, extra); |
| } |
| |
| /* QoS header - BE */ |
| if (wlvif->sta.qos) |
| memset(skb_push(skb, sizeof(__le16)), 0, sizeof(__le16)); |
| |
| /* mac80211 header */ |
| hdr = (struct ieee80211_hdr_3addr *)skb_push(skb, sizeof(*hdr)); |
| memset(hdr, 0, sizeof(hdr)); |
| fc = IEEE80211_FTYPE_DATA | IEEE80211_FCTL_TODS; |
| if (wlvif->sta.qos) |
| fc |= IEEE80211_STYPE_QOS_DATA; |
| else |
| fc |= IEEE80211_STYPE_DATA; |
| if (wlvif->encryption_type != KEY_NONE) |
| fc |= IEEE80211_FCTL_PROTECTED; |
| |
| hdr->frame_control = cpu_to_le16(fc); |
| memcpy(hdr->addr1, vif->bss_conf.bssid, ETH_ALEN); |
| memcpy(hdr->addr2, vif->addr, ETH_ALEN); |
| memset(hdr->addr3, 0xff, ETH_ALEN); |
| |
| ret = wl1271_cmd_template_set(wl, wlvif->role_id, CMD_TEMPL_ARP_RSP, |
| skb->data, skb->len, 0, |
| wlvif->basic_rate); |
| out: |
| dev_kfree_skb(skb); |
| return ret; |
| } |
| |
| int wl1271_build_qos_null_data(struct wl1271 *wl, struct ieee80211_vif *vif) |
| { |
| struct wl12xx_vif *wlvif = wl12xx_vif_to_data(vif); |
| struct ieee80211_qos_hdr template; |
| |
| memset(&template, 0, sizeof(template)); |
| |
| memcpy(template.addr1, vif->bss_conf.bssid, ETH_ALEN); |
| memcpy(template.addr2, vif->addr, ETH_ALEN); |
| memcpy(template.addr3, vif->bss_conf.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, wlvif->role_id, |
| CMD_TEMPL_QOS_NULL_DATA, &template, |
| sizeof(template), 0, |
| wlvif->basic_rate); |
| } |
| |
| int wl12xx_cmd_set_default_wep_key(struct wl1271 *wl, u8 id, u8 hlid) |
| { |
| 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->hlid = 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_default_wep_key failed: %d", ret); |
| goto out; |
| } |
| |
| out: |
| kfree(cmd); |
| |
| return ret; |
| } |
| |
| int wl1271_cmd_set_sta_key(struct wl1271 *wl, struct wl12xx_vif *wlvif, |
| 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; |
| |
| /* hlid might have already been deleted */ |
| if (wlvif->sta.hlid == WL12XX_INVALID_LINK_ID) |
| return 0; |
| |
| cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); |
| if (!cmd) { |
| ret = -ENOMEM; |
| goto out; |
| } |
| |
| cmd->hlid = wlvif->sta.hlid; |
| |
| if (key_type == KEY_WEP) |
| cmd->lid_key_type = WEP_DEFAULT_LID_TYPE; |
| else if (is_broadcast_ether_addr(addr)) |
| cmd->lid_key_type = BROADCAST_LID_TYPE; |
| else |
| cmd->lid_key_type = UNICAST_LID_TYPE; |
| |
| 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); |
| |
| cmd->key_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; |
| } |
| |
| /* |
| * TODO: merge with sta/ibss into 1 set_key function. |
| * note there are slight diffs |
| */ |
| int wl1271_cmd_set_ap_key(struct wl1271 *wl, struct wl12xx_vif *wlvif, |
| 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_keys *cmd; |
| int ret = 0; |
| u8 lid_type; |
| |
| cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); |
| if (!cmd) |
| return -ENOMEM; |
| |
| if (hlid == wlvif->ap.bcast_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 wl12xx_cmd_set_peer_state(struct wl1271 *wl, u8 hlid) |
| { |
| struct wl12xx_cmd_set_peer_state *cmd; |
| int ret = 0; |
| |
| wl1271_debug(DEBUG_CMD, "cmd set peer state (hlid=%d)", hlid); |
| |
| cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); |
| if (!cmd) { |
| ret = -ENOMEM; |
| goto out; |
| } |
| |
| cmd->hlid = hlid; |
| cmd->state = WL1271_CMD_STA_STATE_CONNECTED; |
| |
| ret = wl1271_cmd_send(wl, CMD_SET_PEER_STATE, cmd, sizeof(*cmd), 0); |
| if (ret < 0) { |
| wl1271_error("failed to send set peer state command"); |
| goto out_free; |
| } |
| |
| out_free: |
| kfree(cmd); |
| |
| out: |
| return ret; |
| } |
| |
| int wl12xx_cmd_add_peer(struct wl1271 *wl, struct wl12xx_vif *wlvif, |
| struct ieee80211_sta *sta, u8 hlid) |
| { |
| struct wl12xx_cmd_add_peer *cmd; |
| int i, ret; |
| u32 sta_rates; |
| |
| wl1271_debug(DEBUG_CMD, "cmd add peer %d", (int)hlid); |
| |
| cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); |
| if (!cmd) { |
| ret = -ENOMEM; |
| goto out; |
| } |
| |
| memcpy(cmd->addr, sta->addr, ETH_ALEN); |
| cmd->bss_index = WL1271_AP_BSS_INDEX; |
| cmd->aid = sta->aid; |
| cmd->hlid = hlid; |
| cmd->sp_len = sta->max_sp; |
| cmd->wmm = sta->wme ? 1 : 0; |
| |
| for (i = 0; i < NUM_ACCESS_CATEGORIES_COPY; i++) |
| if (sta->wme && (sta->uapsd_queues & BIT(i))) |
| cmd->psd_type[i] = WL1271_PSD_UPSD_TRIGGER; |
| else |
| cmd->psd_type[i] = WL1271_PSD_LEGACY; |
| |
| sta_rates = sta->supp_rates[wlvif->band]; |
| if (sta->ht_cap.ht_supported) |
| sta_rates |= sta->ht_cap.mcs.rx_mask[0] << HW_HT_RATES_OFFSET; |
| |
| cmd->supported_rates = |
| cpu_to_le32(wl1271_tx_enabled_rates_get(wl, sta_rates, |
| wlvif->band)); |
| |
| wl1271_debug(DEBUG_CMD, "new peer rates=0x%x queues=0x%x", |
| cmd->supported_rates, sta->uapsd_queues); |
| |
| ret = wl1271_cmd_send(wl, CMD_ADD_PEER, cmd, sizeof(*cmd), 0); |
| if (ret < 0) { |
| wl1271_error("failed to initiate cmd add peer"); |
| goto out_free; |
| } |
| |
| out_free: |
| kfree(cmd); |
| |
| out: |
| return ret; |
| } |
| |
| int wl12xx_cmd_remove_peer(struct wl1271 *wl, u8 hlid) |
| { |
| struct wl12xx_cmd_remove_peer *cmd; |
| int ret; |
| |
| wl1271_debug(DEBUG_CMD, "cmd remove peer %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_PEER, cmd, sizeof(*cmd), 0); |
| if (ret < 0) { |
| wl1271_error("failed to initiate cmd remove peer"); |
| 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, |
| PEER_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; |
| } |
| |
| static int wl12xx_cmd_roc(struct wl1271 *wl, struct wl12xx_vif *wlvif, |
| u8 role_id) |
| { |
| struct wl12xx_cmd_roc *cmd; |
| int ret = 0; |
| |
| wl1271_debug(DEBUG_CMD, "cmd roc %d (%d)", wlvif->channel, role_id); |
| |
| if (WARN_ON(role_id == WL12XX_INVALID_ROLE_ID)) |
| return -EINVAL; |
| |
| cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); |
| if (!cmd) { |
| ret = -ENOMEM; |
| goto out; |
| } |
| |
| cmd->role_id = role_id; |
| cmd->channel = wlvif->channel; |
| switch (wlvif->band) { |
| case IEEE80211_BAND_2GHZ: |
| cmd->band = WLCORE_BAND_2_4GHZ; |
| break; |
| case IEEE80211_BAND_5GHZ: |
| cmd->band = WLCORE_BAND_5GHZ; |
| break; |
| default: |
| wl1271_error("roc - unknown band: %d", (int)wlvif->band); |
| ret = -EINVAL; |
| goto out_free; |
| } |
| |
| |
| ret = wl1271_cmd_send(wl, CMD_REMAIN_ON_CHANNEL, cmd, sizeof(*cmd), 0); |
| if (ret < 0) { |
| wl1271_error("failed to send ROC command"); |
| goto out_free; |
| } |
| |
| out_free: |
| kfree(cmd); |
| |
| out: |
| return ret; |
| } |
| |
| static int wl12xx_cmd_croc(struct wl1271 *wl, u8 role_id) |
| { |
| struct wl12xx_cmd_croc *cmd; |
| int ret = 0; |
| |
| wl1271_debug(DEBUG_CMD, "cmd croc (%d)", role_id); |
| |
| cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); |
| if (!cmd) { |
| ret = -ENOMEM; |
| goto out; |
| } |
| cmd->role_id = role_id; |
| |
| ret = wl1271_cmd_send(wl, CMD_CANCEL_REMAIN_ON_CHANNEL, cmd, |
| sizeof(*cmd), 0); |
| if (ret < 0) { |
| wl1271_error("failed to send ROC command"); |
| goto out_free; |
| } |
| |
| out_free: |
| kfree(cmd); |
| |
| out: |
| return ret; |
| } |
| |
| int wl12xx_roc(struct wl1271 *wl, struct wl12xx_vif *wlvif, u8 role_id) |
| { |
| int ret = 0; |
| |
| if (WARN_ON(test_bit(role_id, wl->roc_map))) |
| return 0; |
| |
| ret = wl12xx_cmd_roc(wl, wlvif, role_id); |
| if (ret < 0) |
| goto out; |
| |
| ret = wl1271_cmd_wait_for_event(wl, |
| REMAIN_ON_CHANNEL_COMPLETE_EVENT_ID); |
| if (ret < 0) { |
| wl1271_error("cmd roc event completion error"); |
| goto out; |
| } |
| |
| __set_bit(role_id, wl->roc_map); |
| out: |
| return ret; |
| } |
| |
| int wl12xx_croc(struct wl1271 *wl, u8 role_id) |
| { |
| int ret = 0; |
| |
| if (WARN_ON(!test_bit(role_id, wl->roc_map))) |
| return 0; |
| |
| ret = wl12xx_cmd_croc(wl, role_id); |
| if (ret < 0) |
| goto out; |
| |
| __clear_bit(role_id, wl->roc_map); |
| |
| /* |
| * Rearm the tx watchdog when removing the last ROC. This prevents |
| * recoveries due to just finished ROCs - when Tx hasn't yet had |
| * a chance to get out. |
| */ |
| if (find_first_bit(wl->roc_map, WL12XX_MAX_ROLES) >= WL12XX_MAX_ROLES) |
| wl12xx_rearm_tx_watchdog_locked(wl); |
| out: |
| return ret; |
| } |
| |
| int wl12xx_cmd_channel_switch(struct wl1271 *wl, |
| struct wl12xx_vif *wlvif, |
| struct ieee80211_channel_switch *ch_switch) |
| { |
| struct wl12xx_cmd_channel_switch *cmd; |
| int ret; |
| |
| wl1271_debug(DEBUG_ACX, "cmd channel switch"); |
| |
| cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); |
| if (!cmd) { |
| ret = -ENOMEM; |
| goto out; |
| } |
| |
| cmd->role_id = wlvif->role_id; |
| cmd->channel = ch_switch->channel->hw_value; |
| cmd->switch_time = ch_switch->count; |
| cmd->stop_tx = ch_switch->block_tx; |
| |
| /* FIXME: control from mac80211 in the future */ |
| cmd->post_switch_tx_disable = 0; /* Enable TX on the target channel */ |
| |
| ret = wl1271_cmd_send(wl, CMD_CHANNEL_SWITCH, cmd, sizeof(*cmd), 0); |
| if (ret < 0) { |
| wl1271_error("failed to send channel switch command"); |
| goto out_free; |
| } |
| |
| out_free: |
| kfree(cmd); |
| |
| out: |
| return ret; |
| } |
| |
| int wl12xx_cmd_stop_channel_switch(struct wl1271 *wl) |
| { |
| struct wl12xx_cmd_stop_channel_switch *cmd; |
| int ret; |
| |
| wl1271_debug(DEBUG_ACX, "cmd stop channel switch"); |
| |
| cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); |
| if (!cmd) { |
| ret = -ENOMEM; |
| goto out; |
| } |
| |
| ret = wl1271_cmd_send(wl, CMD_STOP_CHANNEL_SWICTH, cmd, sizeof(*cmd), 0); |
| if (ret < 0) { |
| wl1271_error("failed to stop channel switch command"); |
| goto out_free; |
| } |
| |
| out_free: |
| kfree(cmd); |
| |
| out: |
| return ret; |
| } |
| |
| /* start dev role and roc on its channel */ |
| int wl12xx_start_dev(struct wl1271 *wl, struct wl12xx_vif *wlvif) |
| { |
| int ret; |
| |
| if (WARN_ON(!(wlvif->bss_type == BSS_TYPE_STA_BSS || |
| wlvif->bss_type == BSS_TYPE_IBSS))) |
| return -EINVAL; |
| |
| ret = wl12xx_cmd_role_start_dev(wl, wlvif); |
| if (ret < 0) |
| goto out; |
| |
| ret = wl12xx_roc(wl, wlvif, wlvif->dev_role_id); |
| if (ret < 0) |
| goto out_stop; |
| |
| return 0; |
| |
| out_stop: |
| wl12xx_cmd_role_stop_dev(wl, wlvif); |
| out: |
| return ret; |
| } |
| |
| /* croc dev hlid, and stop the role */ |
| int wl12xx_stop_dev(struct wl1271 *wl, struct wl12xx_vif *wlvif) |
| { |
| int ret; |
| |
| if (WARN_ON(!(wlvif->bss_type == BSS_TYPE_STA_BSS || |
| wlvif->bss_type == BSS_TYPE_IBSS))) |
| return -EINVAL; |
| |
| /* flush all pending packets */ |
| wl1271_tx_work_locked(wl); |
| |
| if (test_bit(wlvif->dev_role_id, wl->roc_map)) { |
| ret = wl12xx_croc(wl, wlvif->dev_role_id); |
| if (ret < 0) |
| goto out; |
| } |
| |
| ret = wl12xx_cmd_role_stop_dev(wl, wlvif); |
| if (ret < 0) |
| goto out; |
| out: |
| return ret; |
| } |