| /* |
| * Marvell Wireless LAN device driver: functions for station ioctl |
| * |
| * Copyright (C) 2011, Marvell International Ltd. |
| * |
| * This software file (the "File") is distributed by Marvell International |
| * Ltd. under the terms of the GNU General Public License Version 2, June 1991 |
| * (the "License"). You may use, redistribute and/or modify this File in |
| * accordance with the terms and conditions of the License, a copy of which |
| * is available by writing to the Free Software Foundation, Inc., |
| * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA or on the |
| * worldwide web at http://www.gnu.org/licenses/old-licenses/gpl-2.0.txt. |
| * |
| * THE FILE IS DISTRIBUTED AS-IS, WITHOUT WARRANTY OF ANY KIND, AND THE |
| * IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE |
| * ARE EXPRESSLY DISCLAIMED. The License provides additional details about |
| * this warranty disclaimer. |
| */ |
| |
| #include "decl.h" |
| #include "ioctl.h" |
| #include "util.h" |
| #include "fw.h" |
| #include "main.h" |
| #include "wmm.h" |
| #include "11n.h" |
| #include "cfg80211.h" |
| |
| /* |
| * Copies the multicast address list from device to driver. |
| * |
| * This function does not validate the destination memory for |
| * size, and the calling function must ensure enough memory is |
| * available. |
| */ |
| int mwifiex_copy_mcast_addr(struct mwifiex_multicast_list *mlist, |
| struct net_device *dev) |
| { |
| int i = 0; |
| struct netdev_hw_addr *ha; |
| |
| netdev_for_each_mc_addr(ha, dev) |
| memcpy(&mlist->mac_list[i++], ha->addr, ETH_ALEN); |
| |
| return i; |
| } |
| |
| /* |
| * Wait queue completion handler. |
| * |
| * This function waits on a cmd wait queue. It also cancels the pending |
| * request after waking up, in case of errors. |
| */ |
| int mwifiex_wait_queue_complete(struct mwifiex_adapter *adapter) |
| { |
| bool cancel_flag = false; |
| int status; |
| struct cmd_ctrl_node *cmd_queued; |
| |
| if (!adapter->cmd_queued) |
| return 0; |
| |
| cmd_queued = adapter->cmd_queued; |
| adapter->cmd_queued = NULL; |
| |
| dev_dbg(adapter->dev, "cmd pending\n"); |
| atomic_inc(&adapter->cmd_pending); |
| |
| /* Status pending, wake up main process */ |
| queue_work(adapter->workqueue, &adapter->main_work); |
| |
| /* Wait for completion */ |
| wait_event_interruptible(adapter->cmd_wait_q.wait, |
| *(cmd_queued->condition)); |
| if (!*(cmd_queued->condition)) |
| cancel_flag = true; |
| |
| if (cancel_flag) { |
| mwifiex_cancel_pending_ioctl(adapter); |
| dev_dbg(adapter->dev, "cmd cancel\n"); |
| } |
| |
| status = adapter->cmd_wait_q.status; |
| adapter->cmd_wait_q.status = 0; |
| |
| return status; |
| } |
| |
| /* |
| * This function prepares the correct firmware command and |
| * issues it to set the multicast list. |
| * |
| * This function can be used to enable promiscuous mode, or enable all |
| * multicast packets, or to enable selective multicast. |
| */ |
| int mwifiex_request_set_multicast_list(struct mwifiex_private *priv, |
| struct mwifiex_multicast_list *mcast_list) |
| { |
| int ret = 0; |
| u16 old_pkt_filter; |
| |
| old_pkt_filter = priv->curr_pkt_filter; |
| |
| if (mcast_list->mode == MWIFIEX_PROMISC_MODE) { |
| dev_dbg(priv->adapter->dev, "info: Enable Promiscuous mode\n"); |
| priv->curr_pkt_filter |= HostCmd_ACT_MAC_PROMISCUOUS_ENABLE; |
| priv->curr_pkt_filter &= |
| ~HostCmd_ACT_MAC_ALL_MULTICAST_ENABLE; |
| } else { |
| /* Multicast */ |
| priv->curr_pkt_filter &= ~HostCmd_ACT_MAC_PROMISCUOUS_ENABLE; |
| if (mcast_list->mode == MWIFIEX_MULTICAST_MODE) { |
| dev_dbg(priv->adapter->dev, |
| "info: Enabling All Multicast!\n"); |
| priv->curr_pkt_filter |= |
| HostCmd_ACT_MAC_ALL_MULTICAST_ENABLE; |
| } else { |
| priv->curr_pkt_filter &= |
| ~HostCmd_ACT_MAC_ALL_MULTICAST_ENABLE; |
| if (mcast_list->num_multicast_addr) { |
| dev_dbg(priv->adapter->dev, |
| "info: Set multicast list=%d\n", |
| mcast_list->num_multicast_addr); |
| /* Set multicast addresses to firmware */ |
| if (old_pkt_filter == priv->curr_pkt_filter) { |
| /* Send request to firmware */ |
| ret = mwifiex_send_cmd_async(priv, |
| HostCmd_CMD_MAC_MULTICAST_ADR, |
| HostCmd_ACT_GEN_SET, 0, |
| mcast_list); |
| } else { |
| /* Send request to firmware */ |
| ret = mwifiex_send_cmd_async(priv, |
| HostCmd_CMD_MAC_MULTICAST_ADR, |
| HostCmd_ACT_GEN_SET, 0, |
| mcast_list); |
| } |
| } |
| } |
| } |
| dev_dbg(priv->adapter->dev, |
| "info: old_pkt_filter=%#x, curr_pkt_filter=%#x\n", |
| old_pkt_filter, priv->curr_pkt_filter); |
| if (old_pkt_filter != priv->curr_pkt_filter) { |
| ret = mwifiex_send_cmd_async(priv, HostCmd_CMD_MAC_CONTROL, |
| HostCmd_ACT_GEN_SET, |
| 0, &priv->curr_pkt_filter); |
| } |
| |
| return ret; |
| } |
| |
| /* |
| * This function fills bss descriptor structure using provided |
| * information. |
| */ |
| int mwifiex_fill_new_bss_desc(struct mwifiex_private *priv, |
| u8 *bssid, s32 rssi, u8 *ie_buf, |
| size_t ie_len, u16 beacon_period, |
| u16 cap_info_bitmap, u8 band, |
| struct mwifiex_bssdescriptor *bss_desc) |
| { |
| int ret; |
| |
| memcpy(bss_desc->mac_address, bssid, ETH_ALEN); |
| bss_desc->rssi = rssi; |
| bss_desc->beacon_buf = ie_buf; |
| bss_desc->beacon_buf_size = ie_len; |
| bss_desc->beacon_period = beacon_period; |
| bss_desc->cap_info_bitmap = cap_info_bitmap; |
| bss_desc->bss_band = band; |
| if (bss_desc->cap_info_bitmap & WLAN_CAPABILITY_PRIVACY) { |
| dev_dbg(priv->adapter->dev, "info: InterpretIE: AP WEP enabled\n"); |
| bss_desc->privacy = MWIFIEX_802_11_PRIV_FILTER_8021X_WEP; |
| } else { |
| bss_desc->privacy = MWIFIEX_802_11_PRIV_FILTER_ACCEPT_ALL; |
| } |
| if (bss_desc->cap_info_bitmap & WLAN_CAPABILITY_IBSS) |
| bss_desc->bss_mode = NL80211_IFTYPE_ADHOC; |
| else |
| bss_desc->bss_mode = NL80211_IFTYPE_STATION; |
| |
| ret = mwifiex_update_bss_desc_with_ie(priv->adapter, bss_desc, |
| ie_buf, ie_len); |
| |
| return ret; |
| } |
| |
| /* |
| * In Ad-Hoc mode, the IBSS is created if not found in scan list. |
| * In both Ad-Hoc and infra mode, an deauthentication is performed |
| * first. |
| */ |
| int mwifiex_bss_start(struct mwifiex_private *priv, struct cfg80211_bss *bss, |
| struct cfg80211_ssid *req_ssid) |
| { |
| int ret; |
| struct mwifiex_adapter *adapter = priv->adapter; |
| struct mwifiex_bssdescriptor *bss_desc = NULL; |
| u8 *beacon_ie = NULL; |
| |
| priv->scan_block = false; |
| |
| if (bss) { |
| /* Allocate and fill new bss descriptor */ |
| bss_desc = kzalloc(sizeof(struct mwifiex_bssdescriptor), |
| GFP_KERNEL); |
| if (!bss_desc) { |
| dev_err(priv->adapter->dev, " failed to alloc bss_desc\n"); |
| return -ENOMEM; |
| } |
| |
| beacon_ie = kmemdup(bss->information_elements, |
| bss->len_beacon_ies, GFP_KERNEL); |
| if (!beacon_ie) { |
| kfree(bss_desc); |
| dev_err(priv->adapter->dev, " failed to alloc beacon_ie\n"); |
| return -ENOMEM; |
| } |
| |
| ret = mwifiex_fill_new_bss_desc(priv, bss->bssid, bss->signal, |
| beacon_ie, bss->len_beacon_ies, |
| bss->beacon_interval, |
| bss->capability, |
| *(u8 *)bss->priv, bss_desc); |
| if (ret) |
| goto done; |
| } |
| |
| if (priv->bss_mode == NL80211_IFTYPE_STATION) { |
| /* Infra mode */ |
| ret = mwifiex_deauthenticate(priv, NULL); |
| if (ret) |
| goto done; |
| |
| ret = mwifiex_check_network_compatibility(priv, bss_desc); |
| if (ret) |
| goto done; |
| |
| dev_dbg(adapter->dev, "info: SSID found in scan list ... " |
| "associating...\n"); |
| |
| if (!netif_queue_stopped(priv->netdev)) |
| mwifiex_stop_net_dev_queue(priv->netdev, adapter); |
| if (netif_carrier_ok(priv->netdev)) |
| netif_carrier_off(priv->netdev); |
| |
| /* Clear any past association response stored for |
| * application retrieval */ |
| priv->assoc_rsp_size = 0; |
| ret = mwifiex_associate(priv, bss_desc); |
| |
| /* If auth type is auto and association fails using open mode, |
| * try to connect using shared mode */ |
| if (ret == WLAN_STATUS_NOT_SUPPORTED_AUTH_ALG && |
| priv->sec_info.is_authtype_auto && |
| priv->sec_info.wep_enabled) { |
| priv->sec_info.authentication_mode = |
| NL80211_AUTHTYPE_SHARED_KEY; |
| ret = mwifiex_associate(priv, bss_desc); |
| } |
| |
| if (bss) |
| cfg80211_put_bss(bss); |
| } else { |
| /* Adhoc mode */ |
| /* If the requested SSID matches current SSID, return */ |
| if (bss_desc && bss_desc->ssid.ssid_len && |
| (!mwifiex_ssid_cmp(&priv->curr_bss_params.bss_descriptor. |
| ssid, &bss_desc->ssid))) { |
| kfree(bss_desc); |
| kfree(beacon_ie); |
| return 0; |
| } |
| |
| /* Exit Adhoc mode first */ |
| dev_dbg(adapter->dev, "info: Sending Adhoc Stop\n"); |
| ret = mwifiex_deauthenticate(priv, NULL); |
| if (ret) |
| goto done; |
| |
| priv->adhoc_is_link_sensed = false; |
| |
| ret = mwifiex_check_network_compatibility(priv, bss_desc); |
| |
| if (!netif_queue_stopped(priv->netdev)) |
| mwifiex_stop_net_dev_queue(priv->netdev, adapter); |
| if (netif_carrier_ok(priv->netdev)) |
| netif_carrier_off(priv->netdev); |
| |
| if (!ret) { |
| dev_dbg(adapter->dev, "info: network found in scan" |
| " list. Joining...\n"); |
| ret = mwifiex_adhoc_join(priv, bss_desc); |
| if (bss) |
| cfg80211_put_bss(bss); |
| } else { |
| dev_dbg(adapter->dev, "info: Network not found in " |
| "the list, creating adhoc with ssid = %s\n", |
| req_ssid->ssid); |
| ret = mwifiex_adhoc_start(priv, req_ssid); |
| } |
| } |
| |
| done: |
| kfree(bss_desc); |
| kfree(beacon_ie); |
| return ret; |
| } |
| |
| /* |
| * IOCTL request handler to set host sleep configuration. |
| * |
| * This function prepares the correct firmware command and |
| * issues it. |
| */ |
| static int mwifiex_set_hs_params(struct mwifiex_private *priv, u16 action, |
| int cmd_type, struct mwifiex_ds_hs_cfg *hs_cfg) |
| |
| { |
| struct mwifiex_adapter *adapter = priv->adapter; |
| int status = 0; |
| u32 prev_cond = 0; |
| |
| if (!hs_cfg) |
| return -ENOMEM; |
| |
| switch (action) { |
| case HostCmd_ACT_GEN_SET: |
| if (adapter->pps_uapsd_mode) { |
| dev_dbg(adapter->dev, "info: Host Sleep IOCTL" |
| " is blocked in UAPSD/PPS mode\n"); |
| status = -1; |
| break; |
| } |
| if (hs_cfg->is_invoke_hostcmd) { |
| if (hs_cfg->conditions == HOST_SLEEP_CFG_CANCEL) { |
| if (!adapter->is_hs_configured) |
| /* Already cancelled */ |
| break; |
| /* Save previous condition */ |
| prev_cond = le32_to_cpu(adapter->hs_cfg |
| .conditions); |
| adapter->hs_cfg.conditions = |
| cpu_to_le32(hs_cfg->conditions); |
| } else if (hs_cfg->conditions) { |
| adapter->hs_cfg.conditions = |
| cpu_to_le32(hs_cfg->conditions); |
| adapter->hs_cfg.gpio = (u8)hs_cfg->gpio; |
| if (hs_cfg->gap) |
| adapter->hs_cfg.gap = (u8)hs_cfg->gap; |
| } else if (adapter->hs_cfg.conditions |
| == cpu_to_le32(HOST_SLEEP_CFG_CANCEL)) { |
| /* Return failure if no parameters for HS |
| enable */ |
| status = -1; |
| break; |
| } |
| if (cmd_type == MWIFIEX_SYNC_CMD) |
| status = mwifiex_send_cmd_sync(priv, |
| HostCmd_CMD_802_11_HS_CFG_ENH, |
| HostCmd_ACT_GEN_SET, 0, |
| &adapter->hs_cfg); |
| else |
| status = mwifiex_send_cmd_async(priv, |
| HostCmd_CMD_802_11_HS_CFG_ENH, |
| HostCmd_ACT_GEN_SET, 0, |
| &adapter->hs_cfg); |
| if (hs_cfg->conditions == HOST_SLEEP_CFG_CANCEL) |
| /* Restore previous condition */ |
| adapter->hs_cfg.conditions = |
| cpu_to_le32(prev_cond); |
| } else { |
| adapter->hs_cfg.conditions = |
| cpu_to_le32(hs_cfg->conditions); |
| adapter->hs_cfg.gpio = (u8)hs_cfg->gpio; |
| adapter->hs_cfg.gap = (u8)hs_cfg->gap; |
| } |
| break; |
| case HostCmd_ACT_GEN_GET: |
| hs_cfg->conditions = le32_to_cpu(adapter->hs_cfg.conditions); |
| hs_cfg->gpio = adapter->hs_cfg.gpio; |
| hs_cfg->gap = adapter->hs_cfg.gap; |
| break; |
| default: |
| status = -1; |
| break; |
| } |
| |
| return status; |
| } |
| |
| /* |
| * Sends IOCTL request to cancel the existing Host Sleep configuration. |
| * |
| * This function allocates the IOCTL request buffer, fills it |
| * with requisite parameters and calls the IOCTL handler. |
| */ |
| int mwifiex_cancel_hs(struct mwifiex_private *priv, int cmd_type) |
| { |
| struct mwifiex_ds_hs_cfg hscfg; |
| |
| hscfg.conditions = HOST_SLEEP_CFG_CANCEL; |
| hscfg.is_invoke_hostcmd = true; |
| |
| return mwifiex_set_hs_params(priv, HostCmd_ACT_GEN_SET, |
| cmd_type, &hscfg); |
| } |
| EXPORT_SYMBOL_GPL(mwifiex_cancel_hs); |
| |
| /* |
| * Sends IOCTL request to cancel the existing Host Sleep configuration. |
| * |
| * This function allocates the IOCTL request buffer, fills it |
| * with requisite parameters and calls the IOCTL handler. |
| */ |
| int mwifiex_enable_hs(struct mwifiex_adapter *adapter) |
| { |
| struct mwifiex_ds_hs_cfg hscfg; |
| |
| if (adapter->hs_activated) { |
| dev_dbg(adapter->dev, "cmd: HS Already actived\n"); |
| return true; |
| } |
| |
| adapter->hs_activate_wait_q_woken = false; |
| |
| memset(&hscfg, 0, sizeof(struct mwifiex_hs_config_param)); |
| hscfg.is_invoke_hostcmd = true; |
| |
| if (mwifiex_set_hs_params(mwifiex_get_priv(adapter, |
| MWIFIEX_BSS_ROLE_STA), |
| HostCmd_ACT_GEN_SET, MWIFIEX_SYNC_CMD, |
| &hscfg)) { |
| dev_err(adapter->dev, "IOCTL request HS enable failed\n"); |
| return false; |
| } |
| |
| wait_event_interruptible(adapter->hs_activate_wait_q, |
| adapter->hs_activate_wait_q_woken); |
| |
| return true; |
| } |
| EXPORT_SYMBOL_GPL(mwifiex_enable_hs); |
| |
| /* |
| * IOCTL request handler to get BSS information. |
| * |
| * This function collates the information from different driver structures |
| * to send to the user. |
| */ |
| int mwifiex_get_bss_info(struct mwifiex_private *priv, |
| struct mwifiex_bss_info *info) |
| { |
| struct mwifiex_adapter *adapter = priv->adapter; |
| struct mwifiex_bssdescriptor *bss_desc; |
| |
| if (!info) |
| return -1; |
| |
| bss_desc = &priv->curr_bss_params.bss_descriptor; |
| |
| info->bss_mode = priv->bss_mode; |
| |
| memcpy(&info->ssid, &bss_desc->ssid, sizeof(struct cfg80211_ssid)); |
| |
| memcpy(&info->bssid, &bss_desc->mac_address, ETH_ALEN); |
| |
| info->bss_chan = bss_desc->channel; |
| |
| info->region_code = adapter->region_code; |
| |
| info->media_connected = priv->media_connected; |
| |
| info->max_power_level = priv->max_tx_power_level; |
| info->min_power_level = priv->min_tx_power_level; |
| |
| info->adhoc_state = priv->adhoc_state; |
| |
| info->bcn_nf_last = priv->bcn_nf_last; |
| |
| if (priv->sec_info.wep_enabled) |
| info->wep_status = true; |
| else |
| info->wep_status = false; |
| |
| info->is_hs_configured = adapter->is_hs_configured; |
| info->is_deep_sleep = adapter->is_deep_sleep; |
| |
| return 0; |
| } |
| |
| /* |
| * The function disables auto deep sleep mode. |
| */ |
| int mwifiex_disable_auto_ds(struct mwifiex_private *priv) |
| { |
| struct mwifiex_ds_auto_ds auto_ds; |
| |
| auto_ds.auto_ds = DEEP_SLEEP_OFF; |
| |
| return mwifiex_send_cmd_sync(priv, HostCmd_CMD_802_11_PS_MODE_ENH, |
| DIS_AUTO_PS, BITMAP_AUTO_DS, &auto_ds); |
| } |
| EXPORT_SYMBOL_GPL(mwifiex_disable_auto_ds); |
| |
| /* |
| * IOCTL request handler to set/get active channel. |
| * |
| * This function performs validity checking on channel/frequency |
| * compatibility and returns failure if not valid. |
| */ |
| int mwifiex_bss_set_channel(struct mwifiex_private *priv, |
| struct mwifiex_chan_freq_power *chan) |
| { |
| struct mwifiex_adapter *adapter = priv->adapter; |
| struct mwifiex_chan_freq_power *cfp = NULL; |
| |
| if (!chan) |
| return -1; |
| |
| if (!chan->channel && !chan->freq) |
| return -1; |
| if (adapter->adhoc_start_band & BAND_AN) |
| adapter->adhoc_start_band = BAND_G | BAND_B | BAND_GN; |
| else if (adapter->adhoc_start_band & BAND_A) |
| adapter->adhoc_start_band = BAND_G | BAND_B; |
| if (chan->channel) { |
| if (chan->channel <= MAX_CHANNEL_BAND_BG) |
| cfp = mwifiex_get_cfp(priv, 0, (u16) chan->channel, 0); |
| if (!cfp) { |
| cfp = mwifiex_get_cfp(priv, BAND_A, |
| (u16) chan->channel, 0); |
| if (cfp) { |
| if (adapter->adhoc_11n_enabled) |
| adapter->adhoc_start_band = BAND_A |
| | BAND_AN; |
| else |
| adapter->adhoc_start_band = BAND_A; |
| } |
| } |
| } else { |
| if (chan->freq <= MAX_FREQUENCY_BAND_BG) |
| cfp = mwifiex_get_cfp(priv, 0, 0, chan->freq); |
| if (!cfp) { |
| cfp = mwifiex_get_cfp(priv, BAND_A, 0, chan->freq); |
| if (cfp) { |
| if (adapter->adhoc_11n_enabled) |
| adapter->adhoc_start_band = BAND_A |
| | BAND_AN; |
| else |
| adapter->adhoc_start_band = BAND_A; |
| } |
| } |
| } |
| if (!cfp || !cfp->channel) { |
| dev_err(adapter->dev, "invalid channel/freq\n"); |
| return -1; |
| } |
| priv->adhoc_channel = (u8) cfp->channel; |
| chan->channel = cfp->channel; |
| chan->freq = cfp->freq; |
| |
| return 0; |
| } |
| |
| /* |
| * IOCTL request handler to set/get Ad-Hoc channel. |
| * |
| * This function prepares the correct firmware command and |
| * issues it to set or get the ad-hoc channel. |
| */ |
| static int mwifiex_bss_ioctl_ibss_channel(struct mwifiex_private *priv, |
| u16 action, u16 *channel) |
| { |
| if (action == HostCmd_ACT_GEN_GET) { |
| if (!priv->media_connected) { |
| *channel = priv->adhoc_channel; |
| return 0; |
| } |
| } else { |
| priv->adhoc_channel = (u8) *channel; |
| } |
| |
| return mwifiex_send_cmd_sync(priv, HostCmd_CMD_802_11_RF_CHANNEL, |
| action, 0, channel); |
| } |
| |
| /* |
| * IOCTL request handler to change Ad-Hoc channel. |
| * |
| * This function allocates the IOCTL request buffer, fills it |
| * with requisite parameters and calls the IOCTL handler. |
| * |
| * The function follows the following steps to perform the change - |
| * - Get current IBSS information |
| * - Get current channel |
| * - If no change is required, return |
| * - If not connected, change channel and return |
| * - If connected, |
| * - Disconnect |
| * - Change channel |
| * - Perform specific SSID scan with same SSID |
| * - Start/Join the IBSS |
| */ |
| int |
| mwifiex_drv_change_adhoc_chan(struct mwifiex_private *priv, u16 channel) |
| { |
| int ret; |
| struct mwifiex_bss_info bss_info; |
| struct mwifiex_ssid_bssid ssid_bssid; |
| u16 curr_chan = 0; |
| struct cfg80211_bss *bss = NULL; |
| struct ieee80211_channel *chan; |
| enum ieee80211_band band; |
| |
| memset(&bss_info, 0, sizeof(bss_info)); |
| |
| /* Get BSS information */ |
| if (mwifiex_get_bss_info(priv, &bss_info)) |
| return -1; |
| |
| /* Get current channel */ |
| ret = mwifiex_bss_ioctl_ibss_channel(priv, HostCmd_ACT_GEN_GET, |
| &curr_chan); |
| |
| if (curr_chan == channel) { |
| ret = 0; |
| goto done; |
| } |
| dev_dbg(priv->adapter->dev, "cmd: updating channel from %d to %d\n", |
| curr_chan, channel); |
| |
| if (!bss_info.media_connected) { |
| ret = 0; |
| goto done; |
| } |
| |
| /* Do disonnect */ |
| memset(&ssid_bssid, 0, ETH_ALEN); |
| ret = mwifiex_deauthenticate(priv, ssid_bssid.bssid); |
| |
| ret = mwifiex_bss_ioctl_ibss_channel(priv, HostCmd_ACT_GEN_SET, |
| &channel); |
| |
| /* Do specific SSID scanning */ |
| if (mwifiex_request_scan(priv, &bss_info.ssid)) { |
| ret = -1; |
| goto done; |
| } |
| |
| band = mwifiex_band_to_radio_type(priv->curr_bss_params.band); |
| chan = __ieee80211_get_channel(priv->wdev->wiphy, |
| ieee80211_channel_to_frequency(channel, |
| band)); |
| |
| /* Find the BSS we want using available scan results */ |
| bss = cfg80211_get_bss(priv->wdev->wiphy, chan, bss_info.bssid, |
| bss_info.ssid.ssid, bss_info.ssid.ssid_len, |
| WLAN_CAPABILITY_ESS, WLAN_CAPABILITY_ESS); |
| if (!bss) |
| wiphy_warn(priv->wdev->wiphy, "assoc: bss %pM not in scan results\n", |
| bss_info.bssid); |
| |
| ret = mwifiex_bss_start(priv, bss, &bss_info.ssid); |
| done: |
| return ret; |
| } |
| |
| /* |
| * IOCTL request handler to get rate. |
| * |
| * This function prepares the correct firmware command and |
| * issues it to get the current rate if it is connected, |
| * otherwise, the function returns the lowest supported rate |
| * for the band. |
| */ |
| static int mwifiex_rate_ioctl_get_rate_value(struct mwifiex_private *priv, |
| struct mwifiex_rate_cfg *rate_cfg) |
| { |
| rate_cfg->is_rate_auto = priv->is_data_rate_auto; |
| return mwifiex_send_cmd_sync(priv, HostCmd_CMD_802_11_TX_RATE_QUERY, |
| HostCmd_ACT_GEN_GET, 0, NULL); |
| } |
| |
| /* |
| * IOCTL request handler to set rate. |
| * |
| * This function prepares the correct firmware command and |
| * issues it to set the current rate. |
| * |
| * The function also performs validation checking on the supplied value. |
| */ |
| static int mwifiex_rate_ioctl_set_rate_value(struct mwifiex_private *priv, |
| struct mwifiex_rate_cfg *rate_cfg) |
| { |
| u8 rates[MWIFIEX_SUPPORTED_RATES]; |
| u8 *rate; |
| int rate_index, ret; |
| u16 bitmap_rates[MAX_BITMAP_RATES_SIZE]; |
| u32 i; |
| struct mwifiex_adapter *adapter = priv->adapter; |
| |
| if (rate_cfg->is_rate_auto) { |
| memset(bitmap_rates, 0, sizeof(bitmap_rates)); |
| /* Support all HR/DSSS rates */ |
| bitmap_rates[0] = 0x000F; |
| /* Support all OFDM rates */ |
| bitmap_rates[1] = 0x00FF; |
| /* Support all HT-MCSs rate */ |
| for (i = 0; i < ARRAY_SIZE(priv->bitmap_rates) - 3; i++) |
| bitmap_rates[i + 2] = 0xFFFF; |
| bitmap_rates[9] = 0x3FFF; |
| } else { |
| memset(rates, 0, sizeof(rates)); |
| mwifiex_get_active_data_rates(priv, rates); |
| rate = rates; |
| for (i = 0; (rate[i] && i < MWIFIEX_SUPPORTED_RATES); i++) { |
| dev_dbg(adapter->dev, "info: rate=%#x wanted=%#x\n", |
| rate[i], rate_cfg->rate); |
| if ((rate[i] & 0x7f) == (rate_cfg->rate & 0x7f)) |
| break; |
| } |
| if ((i == MWIFIEX_SUPPORTED_RATES) || !rate[i]) { |
| dev_err(adapter->dev, "fixed data rate %#x is out " |
| "of range\n", rate_cfg->rate); |
| return -1; |
| } |
| memset(bitmap_rates, 0, sizeof(bitmap_rates)); |
| |
| rate_index = mwifiex_data_rate_to_index(rate_cfg->rate); |
| |
| /* Only allow b/g rates to be set */ |
| if (rate_index >= MWIFIEX_RATE_INDEX_HRDSSS0 && |
| rate_index <= MWIFIEX_RATE_INDEX_HRDSSS3) { |
| bitmap_rates[0] = 1 << rate_index; |
| } else { |
| rate_index -= 1; /* There is a 0x00 in the table */ |
| if (rate_index >= MWIFIEX_RATE_INDEX_OFDM0 && |
| rate_index <= MWIFIEX_RATE_INDEX_OFDM7) |
| bitmap_rates[1] = 1 << (rate_index - |
| MWIFIEX_RATE_INDEX_OFDM0); |
| } |
| } |
| |
| ret = mwifiex_send_cmd_sync(priv, HostCmd_CMD_TX_RATE_CFG, |
| HostCmd_ACT_GEN_SET, 0, bitmap_rates); |
| |
| return ret; |
| } |
| |
| /* |
| * IOCTL request handler to set/get rate. |
| * |
| * This function can be used to set/get either the rate value or the |
| * rate index. |
| */ |
| static int mwifiex_rate_ioctl_cfg(struct mwifiex_private *priv, |
| struct mwifiex_rate_cfg *rate_cfg) |
| { |
| int status; |
| |
| if (!rate_cfg) |
| return -1; |
| |
| if (rate_cfg->action == HostCmd_ACT_GEN_GET) |
| status = mwifiex_rate_ioctl_get_rate_value(priv, rate_cfg); |
| else |
| status = mwifiex_rate_ioctl_set_rate_value(priv, rate_cfg); |
| |
| return status; |
| } |
| |
| /* |
| * Sends IOCTL request to get the data rate. |
| * |
| * This function allocates the IOCTL request buffer, fills it |
| * with requisite parameters and calls the IOCTL handler. |
| */ |
| int mwifiex_drv_get_data_rate(struct mwifiex_private *priv, |
| struct mwifiex_rate_cfg *rate) |
| { |
| int ret; |
| |
| memset(rate, 0, sizeof(struct mwifiex_rate_cfg)); |
| rate->action = HostCmd_ACT_GEN_GET; |
| ret = mwifiex_rate_ioctl_cfg(priv, rate); |
| |
| if (!ret) { |
| if (rate->is_rate_auto) |
| rate->rate = mwifiex_index_to_data_rate(priv, |
| priv->tx_rate, |
| priv->tx_htinfo |
| ); |
| else |
| rate->rate = priv->data_rate; |
| } else { |
| ret = -1; |
| } |
| |
| return ret; |
| } |
| |
| /* |
| * IOCTL request handler to set tx power configuration. |
| * |
| * This function prepares the correct firmware command and |
| * issues it. |
| * |
| * For non-auto power mode, all the following power groups are set - |
| * - Modulation class HR/DSSS |
| * - Modulation class OFDM |
| * - Modulation class HTBW20 |
| * - Modulation class HTBW40 |
| */ |
| int mwifiex_set_tx_power(struct mwifiex_private *priv, |
| struct mwifiex_power_cfg *power_cfg) |
| { |
| int ret; |
| struct host_cmd_ds_txpwr_cfg *txp_cfg; |
| struct mwifiex_types_power_group *pg_tlv; |
| struct mwifiex_power_group *pg; |
| u8 *buf; |
| u16 dbm = 0; |
| |
| if (!power_cfg->is_power_auto) { |
| dbm = (u16) power_cfg->power_level; |
| if ((dbm < priv->min_tx_power_level) || |
| (dbm > priv->max_tx_power_level)) { |
| dev_err(priv->adapter->dev, "txpower value %d dBm" |
| " is out of range (%d dBm-%d dBm)\n", |
| dbm, priv->min_tx_power_level, |
| priv->max_tx_power_level); |
| return -1; |
| } |
| } |
| buf = kzalloc(MWIFIEX_SIZE_OF_CMD_BUFFER, GFP_KERNEL); |
| if (!buf) { |
| dev_err(priv->adapter->dev, "%s: failed to alloc cmd buffer\n", |
| __func__); |
| return -ENOMEM; |
| } |
| |
| txp_cfg = (struct host_cmd_ds_txpwr_cfg *) buf; |
| txp_cfg->action = cpu_to_le16(HostCmd_ACT_GEN_SET); |
| if (!power_cfg->is_power_auto) { |
| txp_cfg->mode = cpu_to_le32(1); |
| pg_tlv = (struct mwifiex_types_power_group *) |
| (buf + sizeof(struct host_cmd_ds_txpwr_cfg)); |
| pg_tlv->type = TLV_TYPE_POWER_GROUP; |
| pg_tlv->length = 4 * sizeof(struct mwifiex_power_group); |
| pg = (struct mwifiex_power_group *) |
| (buf + sizeof(struct host_cmd_ds_txpwr_cfg) |
| + sizeof(struct mwifiex_types_power_group)); |
| /* Power group for modulation class HR/DSSS */ |
| pg->first_rate_code = 0x00; |
| pg->last_rate_code = 0x03; |
| pg->modulation_class = MOD_CLASS_HR_DSSS; |
| pg->power_step = 0; |
| pg->power_min = (s8) dbm; |
| pg->power_max = (s8) dbm; |
| pg++; |
| /* Power group for modulation class OFDM */ |
| pg->first_rate_code = 0x00; |
| pg->last_rate_code = 0x07; |
| pg->modulation_class = MOD_CLASS_OFDM; |
| pg->power_step = 0; |
| pg->power_min = (s8) dbm; |
| pg->power_max = (s8) dbm; |
| pg++; |
| /* Power group for modulation class HTBW20 */ |
| pg->first_rate_code = 0x00; |
| pg->last_rate_code = 0x20; |
| pg->modulation_class = MOD_CLASS_HT; |
| pg->power_step = 0; |
| pg->power_min = (s8) dbm; |
| pg->power_max = (s8) dbm; |
| pg->ht_bandwidth = HT_BW_20; |
| pg++; |
| /* Power group for modulation class HTBW40 */ |
| pg->first_rate_code = 0x00; |
| pg->last_rate_code = 0x20; |
| pg->modulation_class = MOD_CLASS_HT; |
| pg->power_step = 0; |
| pg->power_min = (s8) dbm; |
| pg->power_max = (s8) dbm; |
| pg->ht_bandwidth = HT_BW_40; |
| } |
| ret = mwifiex_send_cmd_sync(priv, HostCmd_CMD_TXPWR_CFG, |
| HostCmd_ACT_GEN_SET, 0, buf); |
| |
| kfree(buf); |
| return ret; |
| } |
| |
| /* |
| * IOCTL request handler to get power save mode. |
| * |
| * This function prepares the correct firmware command and |
| * issues it. |
| */ |
| int mwifiex_drv_set_power(struct mwifiex_private *priv, u32 *ps_mode) |
| { |
| int ret; |
| struct mwifiex_adapter *adapter = priv->adapter; |
| u16 sub_cmd; |
| |
| if (*ps_mode) |
| adapter->ps_mode = MWIFIEX_802_11_POWER_MODE_PSP; |
| else |
| adapter->ps_mode = MWIFIEX_802_11_POWER_MODE_CAM; |
| sub_cmd = (*ps_mode) ? EN_AUTO_PS : DIS_AUTO_PS; |
| ret = mwifiex_send_cmd_sync(priv, HostCmd_CMD_802_11_PS_MODE_ENH, |
| sub_cmd, BITMAP_STA_PS, NULL); |
| if ((!ret) && (sub_cmd == DIS_AUTO_PS)) |
| ret = mwifiex_send_cmd_async(priv, |
| HostCmd_CMD_802_11_PS_MODE_ENH, |
| GET_PS, 0, NULL); |
| |
| return ret; |
| } |
| |
| /* |
| * IOCTL request handler to set/reset WPA IE. |
| * |
| * The supplied WPA IE is treated as a opaque buffer. Only the first field |
| * is checked to determine WPA version. If buffer length is zero, the existing |
| * WPA IE is reset. |
| */ |
| static int mwifiex_set_wpa_ie_helper(struct mwifiex_private *priv, |
| u8 *ie_data_ptr, u16 ie_len) |
| { |
| if (ie_len) { |
| if (ie_len > sizeof(priv->wpa_ie)) { |
| dev_err(priv->adapter->dev, |
| "failed to copy WPA IE, too big\n"); |
| return -1; |
| } |
| memcpy(priv->wpa_ie, ie_data_ptr, ie_len); |
| priv->wpa_ie_len = (u8) ie_len; |
| dev_dbg(priv->adapter->dev, "cmd: Set Wpa_ie_len=%d IE=%#x\n", |
| priv->wpa_ie_len, priv->wpa_ie[0]); |
| |
| if (priv->wpa_ie[0] == WLAN_EID_WPA) { |
| priv->sec_info.wpa_enabled = true; |
| } else if (priv->wpa_ie[0] == WLAN_EID_RSN) { |
| priv->sec_info.wpa2_enabled = true; |
| } else { |
| priv->sec_info.wpa_enabled = false; |
| priv->sec_info.wpa2_enabled = false; |
| } |
| } else { |
| memset(priv->wpa_ie, 0, sizeof(priv->wpa_ie)); |
| priv->wpa_ie_len = 0; |
| dev_dbg(priv->adapter->dev, "info: reset wpa_ie_len=%d IE=%#x\n", |
| priv->wpa_ie_len, priv->wpa_ie[0]); |
| priv->sec_info.wpa_enabled = false; |
| priv->sec_info.wpa2_enabled = false; |
| } |
| |
| return 0; |
| } |
| |
| /* |
| * IOCTL request handler to set/reset WAPI IE. |
| * |
| * The supplied WAPI IE is treated as a opaque buffer. Only the first field |
| * is checked to internally enable WAPI. If buffer length is zero, the existing |
| * WAPI IE is reset. |
| */ |
| static int mwifiex_set_wapi_ie(struct mwifiex_private *priv, |
| u8 *ie_data_ptr, u16 ie_len) |
| { |
| if (ie_len) { |
| if (ie_len > sizeof(priv->wapi_ie)) { |
| dev_dbg(priv->adapter->dev, |
| "info: failed to copy WAPI IE, too big\n"); |
| return -1; |
| } |
| memcpy(priv->wapi_ie, ie_data_ptr, ie_len); |
| priv->wapi_ie_len = ie_len; |
| dev_dbg(priv->adapter->dev, "cmd: Set wapi_ie_len=%d IE=%#x\n", |
| priv->wapi_ie_len, priv->wapi_ie[0]); |
| |
| if (priv->wapi_ie[0] == WLAN_EID_BSS_AC_ACCESS_DELAY) |
| priv->sec_info.wapi_enabled = true; |
| } else { |
| memset(priv->wapi_ie, 0, sizeof(priv->wapi_ie)); |
| priv->wapi_ie_len = ie_len; |
| dev_dbg(priv->adapter->dev, |
| "info: Reset wapi_ie_len=%d IE=%#x\n", |
| priv->wapi_ie_len, priv->wapi_ie[0]); |
| priv->sec_info.wapi_enabled = false; |
| } |
| return 0; |
| } |
| |
| /* |
| * IOCTL request handler to set WAPI key. |
| * |
| * This function prepares the correct firmware command and |
| * issues it. |
| */ |
| static int mwifiex_sec_ioctl_set_wapi_key(struct mwifiex_private *priv, |
| struct mwifiex_ds_encrypt_key *encrypt_key) |
| { |
| |
| return mwifiex_send_cmd_sync(priv, HostCmd_CMD_802_11_KEY_MATERIAL, |
| HostCmd_ACT_GEN_SET, KEY_INFO_ENABLED, |
| encrypt_key); |
| } |
| |
| /* |
| * IOCTL request handler to set WEP network key. |
| * |
| * This function prepares the correct firmware command and |
| * issues it, after validation checks. |
| */ |
| static int mwifiex_sec_ioctl_set_wep_key(struct mwifiex_private *priv, |
| struct mwifiex_ds_encrypt_key *encrypt_key) |
| { |
| int ret; |
| struct mwifiex_wep_key *wep_key; |
| int index; |
| |
| if (priv->wep_key_curr_index >= NUM_WEP_KEYS) |
| priv->wep_key_curr_index = 0; |
| wep_key = &priv->wep_key[priv->wep_key_curr_index]; |
| index = encrypt_key->key_index; |
| if (encrypt_key->key_disable) { |
| priv->sec_info.wep_enabled = 0; |
| } else if (!encrypt_key->key_len) { |
| /* Copy the required key as the current key */ |
| wep_key = &priv->wep_key[index]; |
| if (!wep_key->key_length) { |
| dev_err(priv->adapter->dev, |
| "key not set, so cannot enable it\n"); |
| return -1; |
| } |
| priv->wep_key_curr_index = (u16) index; |
| priv->sec_info.wep_enabled = 1; |
| } else { |
| wep_key = &priv->wep_key[index]; |
| memset(wep_key, 0, sizeof(struct mwifiex_wep_key)); |
| /* Copy the key in the driver */ |
| memcpy(wep_key->key_material, |
| encrypt_key->key_material, |
| encrypt_key->key_len); |
| wep_key->key_index = index; |
| wep_key->key_length = encrypt_key->key_len; |
| priv->sec_info.wep_enabled = 1; |
| } |
| if (wep_key->key_length) { |
| /* Send request to firmware */ |
| ret = mwifiex_send_cmd_async(priv, |
| HostCmd_CMD_802_11_KEY_MATERIAL, |
| HostCmd_ACT_GEN_SET, 0, NULL); |
| if (ret) |
| return ret; |
| } |
| if (priv->sec_info.wep_enabled) |
| priv->curr_pkt_filter |= HostCmd_ACT_MAC_WEP_ENABLE; |
| else |
| priv->curr_pkt_filter &= ~HostCmd_ACT_MAC_WEP_ENABLE; |
| |
| ret = mwifiex_send_cmd_sync(priv, HostCmd_CMD_MAC_CONTROL, |
| HostCmd_ACT_GEN_SET, 0, |
| &priv->curr_pkt_filter); |
| |
| return ret; |
| } |
| |
| /* |
| * IOCTL request handler to set WPA key. |
| * |
| * This function prepares the correct firmware command and |
| * issues it, after validation checks. |
| * |
| * Current driver only supports key length of up to 32 bytes. |
| * |
| * This function can also be used to disable a currently set key. |
| */ |
| static int mwifiex_sec_ioctl_set_wpa_key(struct mwifiex_private *priv, |
| struct mwifiex_ds_encrypt_key *encrypt_key) |
| { |
| int ret; |
| u8 remove_key = false; |
| struct host_cmd_ds_802_11_key_material *ibss_key; |
| |
| /* Current driver only supports key length of up to 32 bytes */ |
| if (encrypt_key->key_len > WLAN_MAX_KEY_LEN) { |
| dev_err(priv->adapter->dev, "key length too long\n"); |
| return -1; |
| } |
| |
| if (priv->bss_mode == NL80211_IFTYPE_ADHOC) { |
| /* |
| * IBSS/WPA-None uses only one key (Group) for both receiving |
| * and sending unicast and multicast packets. |
| */ |
| /* Send the key as PTK to firmware */ |
| encrypt_key->key_index = MWIFIEX_KEY_INDEX_UNICAST; |
| ret = mwifiex_send_cmd_async(priv, |
| HostCmd_CMD_802_11_KEY_MATERIAL, |
| HostCmd_ACT_GEN_SET, |
| KEY_INFO_ENABLED, encrypt_key); |
| if (ret) |
| return ret; |
| |
| ibss_key = &priv->aes_key; |
| memset(ibss_key, 0, |
| sizeof(struct host_cmd_ds_802_11_key_material)); |
| /* Copy the key in the driver */ |
| memcpy(ibss_key->key_param_set.key, encrypt_key->key_material, |
| encrypt_key->key_len); |
| memcpy(&ibss_key->key_param_set.key_len, &encrypt_key->key_len, |
| sizeof(ibss_key->key_param_set.key_len)); |
| ibss_key->key_param_set.key_type_id |
| = cpu_to_le16(KEY_TYPE_ID_TKIP); |
| ibss_key->key_param_set.key_info = cpu_to_le16(KEY_ENABLED); |
| |
| /* Send the key as GTK to firmware */ |
| encrypt_key->key_index = ~MWIFIEX_KEY_INDEX_UNICAST; |
| } |
| |
| if (!encrypt_key->key_index) |
| encrypt_key->key_index = MWIFIEX_KEY_INDEX_UNICAST; |
| |
| if (remove_key) |
| ret = mwifiex_send_cmd_sync(priv, |
| HostCmd_CMD_802_11_KEY_MATERIAL, |
| HostCmd_ACT_GEN_SET, |
| !KEY_INFO_ENABLED, encrypt_key); |
| else |
| ret = mwifiex_send_cmd_sync(priv, |
| HostCmd_CMD_802_11_KEY_MATERIAL, |
| HostCmd_ACT_GEN_SET, |
| KEY_INFO_ENABLED, encrypt_key); |
| |
| return ret; |
| } |
| |
| /* |
| * IOCTL request handler to set/get network keys. |
| * |
| * This is a generic key handling function which supports WEP, WPA |
| * and WAPI. |
| */ |
| static int |
| mwifiex_sec_ioctl_encrypt_key(struct mwifiex_private *priv, |
| struct mwifiex_ds_encrypt_key *encrypt_key) |
| { |
| int status; |
| |
| if (encrypt_key->is_wapi_key) |
| status = mwifiex_sec_ioctl_set_wapi_key(priv, encrypt_key); |
| else if (encrypt_key->key_len > WLAN_KEY_LEN_WEP104) |
| status = mwifiex_sec_ioctl_set_wpa_key(priv, encrypt_key); |
| else |
| status = mwifiex_sec_ioctl_set_wep_key(priv, encrypt_key); |
| return status; |
| } |
| |
| /* |
| * This function returns the driver version. |
| */ |
| int |
| mwifiex_drv_get_driver_version(struct mwifiex_adapter *adapter, char *version, |
| int max_len) |
| { |
| union { |
| u32 l; |
| u8 c[4]; |
| } ver; |
| char fw_ver[32]; |
| |
| ver.l = adapter->fw_release_number; |
| sprintf(fw_ver, "%u.%u.%u.p%u", ver.c[2], ver.c[1], ver.c[0], ver.c[3]); |
| |
| snprintf(version, max_len, driver_version, fw_ver); |
| |
| dev_dbg(adapter->dev, "info: MWIFIEX VERSION: %s\n", version); |
| |
| return 0; |
| } |
| |
| /* |
| * Sends IOCTL request to get signal information. |
| * |
| * This function allocates the IOCTL request buffer, fills it |
| * with requisite parameters and calls the IOCTL handler. |
| */ |
| int mwifiex_get_signal_info(struct mwifiex_private *priv, |
| struct mwifiex_ds_get_signal *signal) |
| { |
| int status; |
| |
| signal->selector = ALL_RSSI_INFO_MASK; |
| |
| /* Signal info can be obtained only if connected */ |
| if (!priv->media_connected) { |
| dev_dbg(priv->adapter->dev, |
| "info: Can not get signal in disconnected state\n"); |
| return -1; |
| } |
| |
| status = mwifiex_send_cmd_sync(priv, HostCmd_CMD_RSSI_INFO, |
| HostCmd_ACT_GEN_GET, 0, signal); |
| |
| if (!status) { |
| if (signal->selector & BCN_RSSI_AVG_MASK) |
| priv->qual_level = signal->bcn_rssi_avg; |
| if (signal->selector & BCN_NF_AVG_MASK) |
| priv->qual_noise = signal->bcn_nf_avg; |
| } |
| |
| return status; |
| } |
| |
| /* |
| * Sends IOCTL request to set encoding parameters. |
| * |
| * This function allocates the IOCTL request buffer, fills it |
| * with requisite parameters and calls the IOCTL handler. |
| */ |
| int mwifiex_set_encode(struct mwifiex_private *priv, const u8 *key, |
| int key_len, u8 key_index, int disable) |
| { |
| struct mwifiex_ds_encrypt_key encrypt_key; |
| |
| memset(&encrypt_key, 0, sizeof(struct mwifiex_ds_encrypt_key)); |
| encrypt_key.key_len = key_len; |
| if (!disable) { |
| encrypt_key.key_index = key_index; |
| if (key_len) |
| memcpy(encrypt_key.key_material, key, key_len); |
| } else { |
| encrypt_key.key_disable = true; |
| } |
| |
| return mwifiex_sec_ioctl_encrypt_key(priv, &encrypt_key); |
| } |
| |
| /* |
| * Sends IOCTL request to get extended version. |
| * |
| * This function allocates the IOCTL request buffer, fills it |
| * with requisite parameters and calls the IOCTL handler. |
| */ |
| int |
| mwifiex_get_ver_ext(struct mwifiex_private *priv) |
| { |
| struct mwifiex_ver_ext ver_ext; |
| |
| memset(&ver_ext, 0, sizeof(struct host_cmd_ds_version_ext)); |
| if (mwifiex_send_cmd_sync(priv, HostCmd_CMD_VERSION_EXT, |
| HostCmd_ACT_GEN_GET, 0, &ver_ext)) |
| return -1; |
| |
| return 0; |
| } |
| |
| /* |
| * Sends IOCTL request to get statistics information. |
| * |
| * This function allocates the IOCTL request buffer, fills it |
| * with requisite parameters and calls the IOCTL handler. |
| */ |
| int |
| mwifiex_get_stats_info(struct mwifiex_private *priv, |
| struct mwifiex_ds_get_stats *log) |
| { |
| return mwifiex_send_cmd_sync(priv, HostCmd_CMD_802_11_GET_LOG, |
| HostCmd_ACT_GEN_GET, 0, log); |
| } |
| |
| /* |
| * IOCTL request handler to read/write register. |
| * |
| * This function prepares the correct firmware command and |
| * issues it. |
| * |
| * Access to the following registers are supported - |
| * - MAC |
| * - BBP |
| * - RF |
| * - PMIC |
| * - CAU |
| */ |
| static int mwifiex_reg_mem_ioctl_reg_rw(struct mwifiex_private *priv, |
| struct mwifiex_ds_reg_rw *reg_rw, |
| u16 action) |
| { |
| u16 cmd_no; |
| |
| switch (le32_to_cpu(reg_rw->type)) { |
| case MWIFIEX_REG_MAC: |
| cmd_no = HostCmd_CMD_MAC_REG_ACCESS; |
| break; |
| case MWIFIEX_REG_BBP: |
| cmd_no = HostCmd_CMD_BBP_REG_ACCESS; |
| break; |
| case MWIFIEX_REG_RF: |
| cmd_no = HostCmd_CMD_RF_REG_ACCESS; |
| break; |
| case MWIFIEX_REG_PMIC: |
| cmd_no = HostCmd_CMD_PMIC_REG_ACCESS; |
| break; |
| case MWIFIEX_REG_CAU: |
| cmd_no = HostCmd_CMD_CAU_REG_ACCESS; |
| break; |
| default: |
| return -1; |
| } |
| |
| return mwifiex_send_cmd_sync(priv, cmd_no, action, 0, reg_rw); |
| |
| } |
| |
| /* |
| * Sends IOCTL request to write to a register. |
| * |
| * This function allocates the IOCTL request buffer, fills it |
| * with requisite parameters and calls the IOCTL handler. |
| */ |
| int |
| mwifiex_reg_write(struct mwifiex_private *priv, u32 reg_type, |
| u32 reg_offset, u32 reg_value) |
| { |
| struct mwifiex_ds_reg_rw reg_rw; |
| |
| reg_rw.type = cpu_to_le32(reg_type); |
| reg_rw.offset = cpu_to_le32(reg_offset); |
| reg_rw.value = cpu_to_le32(reg_value); |
| |
| return mwifiex_reg_mem_ioctl_reg_rw(priv, ®_rw, HostCmd_ACT_GEN_SET); |
| } |
| |
| /* |
| * Sends IOCTL request to read from a register. |
| * |
| * This function allocates the IOCTL request buffer, fills it |
| * with requisite parameters and calls the IOCTL handler. |
| */ |
| int |
| mwifiex_reg_read(struct mwifiex_private *priv, u32 reg_type, |
| u32 reg_offset, u32 *value) |
| { |
| int ret; |
| struct mwifiex_ds_reg_rw reg_rw; |
| |
| reg_rw.type = cpu_to_le32(reg_type); |
| reg_rw.offset = cpu_to_le32(reg_offset); |
| ret = mwifiex_reg_mem_ioctl_reg_rw(priv, ®_rw, HostCmd_ACT_GEN_GET); |
| |
| if (ret) |
| goto done; |
| |
| *value = le32_to_cpu(reg_rw.value); |
| |
| done: |
| return ret; |
| } |
| |
| /* |
| * Sends IOCTL request to read from EEPROM. |
| * |
| * This function allocates the IOCTL request buffer, fills it |
| * with requisite parameters and calls the IOCTL handler. |
| */ |
| int |
| mwifiex_eeprom_read(struct mwifiex_private *priv, u16 offset, u16 bytes, |
| u8 *value) |
| { |
| int ret; |
| struct mwifiex_ds_read_eeprom rd_eeprom; |
| |
| rd_eeprom.offset = cpu_to_le16((u16) offset); |
| rd_eeprom.byte_count = cpu_to_le16((u16) bytes); |
| |
| /* Send request to firmware */ |
| ret = mwifiex_send_cmd_sync(priv, HostCmd_CMD_802_11_EEPROM_ACCESS, |
| HostCmd_ACT_GEN_GET, 0, &rd_eeprom); |
| |
| if (!ret) |
| memcpy(value, rd_eeprom.value, MAX_EEPROM_DATA); |
| return ret; |
| } |
| |
| /* |
| * This function sets a generic IE. In addition to generic IE, it can |
| * also handle WPA, WPA2 and WAPI IEs. |
| */ |
| static int |
| mwifiex_set_gen_ie_helper(struct mwifiex_private *priv, u8 *ie_data_ptr, |
| u16 ie_len) |
| { |
| int ret = 0; |
| struct ieee_types_vendor_header *pvendor_ie; |
| const u8 wpa_oui[] = { 0x00, 0x50, 0xf2, 0x01 }; |
| const u8 wps_oui[] = { 0x00, 0x50, 0xf2, 0x04 }; |
| |
| /* If the passed length is zero, reset the buffer */ |
| if (!ie_len) { |
| priv->gen_ie_buf_len = 0; |
| priv->wps.session_enable = false; |
| |
| return 0; |
| } else if (!ie_data_ptr) { |
| return -1; |
| } |
| pvendor_ie = (struct ieee_types_vendor_header *) ie_data_ptr; |
| /* Test to see if it is a WPA IE, if not, then it is a gen IE */ |
| if (((pvendor_ie->element_id == WLAN_EID_WPA) && |
| (!memcmp(pvendor_ie->oui, wpa_oui, sizeof(wpa_oui)))) || |
| (pvendor_ie->element_id == WLAN_EID_RSN)) { |
| |
| /* IE is a WPA/WPA2 IE so call set_wpa function */ |
| ret = mwifiex_set_wpa_ie_helper(priv, ie_data_ptr, ie_len); |
| priv->wps.session_enable = false; |
| |
| return ret; |
| } else if (pvendor_ie->element_id == WLAN_EID_BSS_AC_ACCESS_DELAY) { |
| /* IE is a WAPI IE so call set_wapi function */ |
| ret = mwifiex_set_wapi_ie(priv, ie_data_ptr, ie_len); |
| |
| return ret; |
| } |
| /* |
| * Verify that the passed length is not larger than the |
| * available space remaining in the buffer |
| */ |
| if (ie_len < (sizeof(priv->gen_ie_buf) - priv->gen_ie_buf_len)) { |
| |
| /* Test to see if it is a WPS IE, if so, enable |
| * wps session flag |
| */ |
| pvendor_ie = (struct ieee_types_vendor_header *) ie_data_ptr; |
| if ((pvendor_ie->element_id == WLAN_EID_VENDOR_SPECIFIC) && |
| (!memcmp(pvendor_ie->oui, wps_oui, sizeof(wps_oui)))) { |
| priv->wps.session_enable = true; |
| dev_dbg(priv->adapter->dev, |
| "info: WPS Session Enabled.\n"); |
| } |
| |
| /* Append the passed data to the end of the |
| genIeBuffer */ |
| memcpy(priv->gen_ie_buf + priv->gen_ie_buf_len, ie_data_ptr, |
| ie_len); |
| /* Increment the stored buffer length by the |
| size passed */ |
| priv->gen_ie_buf_len += ie_len; |
| } else { |
| /* Passed data does not fit in the remaining |
| buffer space */ |
| ret = -1; |
| } |
| |
| /* Return 0, or -1 for error case */ |
| return ret; |
| } |
| |
| /* |
| * IOCTL request handler to set/get generic IE. |
| * |
| * In addition to various generic IEs, this function can also be |
| * used to set the ARP filter. |
| */ |
| static int mwifiex_misc_ioctl_gen_ie(struct mwifiex_private *priv, |
| struct mwifiex_ds_misc_gen_ie *gen_ie, |
| u16 action) |
| { |
| struct mwifiex_adapter *adapter = priv->adapter; |
| |
| switch (gen_ie->type) { |
| case MWIFIEX_IE_TYPE_GEN_IE: |
| if (action == HostCmd_ACT_GEN_GET) { |
| gen_ie->len = priv->wpa_ie_len; |
| memcpy(gen_ie->ie_data, priv->wpa_ie, gen_ie->len); |
| } else { |
| mwifiex_set_gen_ie_helper(priv, gen_ie->ie_data, |
| (u16) gen_ie->len); |
| } |
| break; |
| case MWIFIEX_IE_TYPE_ARP_FILTER: |
| memset(adapter->arp_filter, 0, sizeof(adapter->arp_filter)); |
| if (gen_ie->len > ARP_FILTER_MAX_BUF_SIZE) { |
| adapter->arp_filter_size = 0; |
| dev_err(adapter->dev, "invalid ARP filter size\n"); |
| return -1; |
| } else { |
| memcpy(adapter->arp_filter, gen_ie->ie_data, |
| gen_ie->len); |
| adapter->arp_filter_size = gen_ie->len; |
| } |
| break; |
| default: |
| dev_err(adapter->dev, "invalid IE type\n"); |
| return -1; |
| } |
| return 0; |
| } |
| |
| /* |
| * Sends IOCTL request to set a generic IE. |
| * |
| * This function allocates the IOCTL request buffer, fills it |
| * with requisite parameters and calls the IOCTL handler. |
| */ |
| int |
| mwifiex_set_gen_ie(struct mwifiex_private *priv, u8 *ie, int ie_len) |
| { |
| struct mwifiex_ds_misc_gen_ie gen_ie; |
| |
| if (ie_len > IEEE_MAX_IE_SIZE) |
| return -EFAULT; |
| |
| gen_ie.type = MWIFIEX_IE_TYPE_GEN_IE; |
| gen_ie.len = ie_len; |
| memcpy(gen_ie.ie_data, ie, ie_len); |
| if (mwifiex_misc_ioctl_gen_ie(priv, &gen_ie, HostCmd_ACT_GEN_SET)) |
| return -EFAULT; |
| |
| return 0; |
| } |