Author | Tokens | Token Proportion | Commits | Commit Proportion |
---|---|---|---|---|
Bing Zhao | 2486 | 42.06% | 10 | 11.24% |
Amitkumar Karwar | 2215 | 37.47% | 32 | 35.96% |
Avinash Patil | 288 | 4.87% | 6 | 6.74% |
Xinming Hu | 223 | 3.77% | 6 | 6.74% |
Chunfan Chen | 166 | 2.81% | 3 | 3.37% |
Stone Piao | 143 | 2.42% | 2 | 2.25% |
Zhaoyang Liu | 108 | 1.83% | 1 | 1.12% |
Ganapathi Bhat | 74 | 1.25% | 4 | 4.49% |
Johannes Berg | 74 | 1.25% | 6 | 6.74% |
Ying Luo | 48 | 0.81% | 1 | 1.12% |
Adrian Bunk | 17 | 0.29% | 1 | 1.12% |
Yogesh Ashok Powar | 15 | 0.25% | 3 | 3.37% |
Dmitry Torokhov | 11 | 0.19% | 1 | 1.12% |
Prasun Maiti | 10 | 0.17% | 1 | 1.12% |
Wei-Ning Huang | 8 | 0.14% | 1 | 1.12% |
Ujjal Roy | 6 | 0.10% | 1 | 1.12% |
Arend Van Spriel | 4 | 0.07% | 2 | 2.25% |
Brian Norris | 4 | 0.07% | 1 | 1.12% |
John W. Linville | 3 | 0.05% | 1 | 1.12% |
Christophe Jaillet | 3 | 0.05% | 2 | 2.25% |
Daniel Drake | 2 | 0.03% | 1 | 1.12% |
Masanari Iida | 1 | 0.02% | 1 | 1.12% |
Dan Carpenter | 1 | 0.02% | 1 | 1.12% |
Christoph Fritz | 1 | 0.02% | 1 | 1.12% |
Total | 5911 | 89 |
/* * Marvell Wireless LAN device driver: functions for station ioctl * * Copyright (C) 2011-2014, 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" static int disconnect_on_suspend; module_param(disconnect_on_suspend, int, 0644); /* * 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, struct cmd_ctrl_node *cmd_queued) { int status; /* Wait for completion */ status = wait_event_interruptible_timeout(adapter->cmd_wait_q.wait, *(cmd_queued->condition), (12 * HZ)); if (status <= 0) { if (status == 0) status = -ETIMEDOUT; mwifiex_dbg(adapter, ERROR, "cmd_wait_q terminated: %d\n", status); mwifiex_cancel_all_pending_cmd(adapter); return status; } 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) { mwifiex_dbg(priv->adapter, INFO, "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_ALL_MULTI_MODE) { mwifiex_dbg(priv->adapter, INFO, "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; mwifiex_dbg(priv->adapter, INFO, "info: Set multicast list=%d\n", mcast_list->num_multicast_addr); /* Send multicast addresses to firmware */ ret = mwifiex_send_cmd(priv, HostCmd_CMD_MAC_MULTICAST_ADR, HostCmd_ACT_GEN_SET, 0, mcast_list, false); } } mwifiex_dbg(priv->adapter, INFO, "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(priv, HostCmd_CMD_MAC_CONTROL, HostCmd_ACT_GEN_SET, 0, &priv->curr_pkt_filter, false); } return ret; } /* * This function fills bss descriptor structure using provided * information. * beacon_ie buffer is allocated in this function. It is caller's * responsibility to free the memory. */ int mwifiex_fill_new_bss_desc(struct mwifiex_private *priv, struct cfg80211_bss *bss, struct mwifiex_bssdescriptor *bss_desc) { u8 *beacon_ie; size_t beacon_ie_len; struct mwifiex_bss_priv *bss_priv = (void *)bss->priv; const struct cfg80211_bss_ies *ies; rcu_read_lock(); ies = rcu_dereference(bss->ies); beacon_ie = kmemdup(ies->data, ies->len, GFP_ATOMIC); beacon_ie_len = ies->len; bss_desc->timestamp = ies->tsf; rcu_read_unlock(); if (!beacon_ie) { mwifiex_dbg(priv->adapter, ERROR, " failed to alloc beacon_ie\n"); return -ENOMEM; } memcpy(bss_desc->mac_address, bss->bssid, ETH_ALEN); bss_desc->rssi = bss->signal; /* The caller of this function will free beacon_ie */ bss_desc->beacon_buf = beacon_ie; bss_desc->beacon_buf_size = beacon_ie_len; bss_desc->beacon_period = bss->beacon_interval; bss_desc->cap_info_bitmap = bss->capability; bss_desc->bss_band = bss_priv->band; bss_desc->fw_tsf = bss_priv->fw_tsf; if (bss_desc->cap_info_bitmap & WLAN_CAPABILITY_PRIVACY) { mwifiex_dbg(priv->adapter, INFO, "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; /* Disable 11ac by default. Enable it only where there * exist VHT_CAP IE in AP beacon */ bss_desc->disable_11ac = true; if (bss_desc->cap_info_bitmap & WLAN_CAPABILITY_SPECTRUM_MGMT) bss_desc->sensed_11h = true; return mwifiex_update_bss_desc_with_ie(priv->adapter, bss_desc); } void mwifiex_dnld_txpwr_table(struct mwifiex_private *priv) { if (priv->adapter->dt_node) { char txpwr[] = {"marvell,00_txpwrlimit"}; memcpy(&txpwr[8], priv->adapter->country_code, 2); mwifiex_dnld_dt_cfgdata(priv, priv->adapter->dt_node, txpwr); } } static int mwifiex_process_country_ie(struct mwifiex_private *priv, struct cfg80211_bss *bss) { const u8 *country_ie; u8 country_ie_len; struct mwifiex_802_11d_domain_reg *domain_info = &priv->adapter->domain_reg; rcu_read_lock(); country_ie = ieee80211_bss_get_ie(bss, WLAN_EID_COUNTRY); if (!country_ie) { rcu_read_unlock(); return 0; } country_ie_len = country_ie[1]; if (country_ie_len < IEEE80211_COUNTRY_IE_MIN_LEN) { rcu_read_unlock(); return 0; } if (!strncmp(priv->adapter->country_code, &country_ie[2], 2)) { rcu_read_unlock(); mwifiex_dbg(priv->adapter, INFO, "11D: skip setting domain info in FW\n"); return 0; } memcpy(priv->adapter->country_code, &country_ie[2], 2); domain_info->country_code[0] = country_ie[2]; domain_info->country_code[1] = country_ie[3]; domain_info->country_code[2] = ' '; country_ie_len -= IEEE80211_COUNTRY_STRING_LEN; domain_info->no_of_triplet = country_ie_len / sizeof(struct ieee80211_country_ie_triplet); memcpy((u8 *)domain_info->triplet, &country_ie[2] + IEEE80211_COUNTRY_STRING_LEN, country_ie_len); rcu_read_unlock(); if (mwifiex_send_cmd(priv, HostCmd_CMD_802_11D_DOMAIN_INFO, HostCmd_ACT_GEN_SET, 0, NULL, false)) { mwifiex_dbg(priv->adapter, ERROR, "11D: setting domain info in FW fail\n"); return -1; } mwifiex_dnld_txpwr_table(priv); return 0; } /* * 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; priv->scan_block = false; if (bss) { if (adapter->region_code == 0x00) mwifiex_process_country_ie(priv, bss); /* Allocate and fill new bss descriptor */ bss_desc = kzalloc(sizeof(struct mwifiex_bssdescriptor), GFP_KERNEL); if (!bss_desc) return -ENOMEM; ret = mwifiex_fill_new_bss_desc(priv, bss, bss_desc); if (ret) goto done; } if (priv->bss_mode == NL80211_IFTYPE_STATION || priv->bss_mode == NL80211_IFTYPE_P2P_CLIENT) { u8 config_bands; if (!bss_desc) return -1; if (mwifiex_band_to_radio_type(bss_desc->bss_band) == HostCmd_SCAN_RADIO_TYPE_BG) { config_bands = BAND_B | BAND_G | BAND_GN; } else { config_bands = BAND_A | BAND_AN; if (adapter->fw_bands & BAND_AAC) config_bands |= BAND_AAC; } if (!((config_bands | adapter->fw_bands) & ~adapter->fw_bands)) adapter->config_bands = config_bands; ret = mwifiex_check_network_compatibility(priv, bss_desc); if (ret) goto done; if (mwifiex_11h_get_csa_closed_channel(priv) == (u8)bss_desc->channel) { mwifiex_dbg(adapter, ERROR, "Attempt to reconnect on csa closed chan(%d)\n", bss_desc->channel); ret = -1; goto done; } mwifiex_dbg(adapter, INFO, "info: SSID found in scan list ...\t" "associating...\n"); 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(priv->adapter->wiphy, 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))) { ret = 0; goto done; } priv->adhoc_is_link_sensed = false; ret = mwifiex_check_network_compatibility(priv, bss_desc); mwifiex_stop_net_dev_queue(priv->netdev, adapter); if (netif_carrier_ok(priv->netdev)) netif_carrier_off(priv->netdev); if (!ret) { mwifiex_dbg(adapter, INFO, "info: network found in scan\t" " list. Joining...\n"); ret = mwifiex_adhoc_join(priv, bss_desc); if (bss) cfg80211_put_bss(priv->adapter->wiphy, bss); } else { mwifiex_dbg(adapter, INFO, "info: Network not found in\t" "the list, creating adhoc with ssid = %s\n", req_ssid->ssid); ret = mwifiex_adhoc_start(priv, req_ssid); } } done: /* beacon_ie buffer was allocated in function * mwifiex_fill_new_bss_desc(). Free it now. */ if (bss_desc) kfree(bss_desc->beacon_buf); kfree(bss_desc); if (ret < 0) priv->attempted_bss_desc = NULL; return ret; } /* * IOCTL request handler to set host sleep configuration. * * This function prepares the correct firmware command and * issues it. */ 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) { mwifiex_dbg(adapter, INFO, "info: Host Sleep IOCTL\t" "is blocked in UAPSD/PPS mode\n"); status = -1; break; } if (hs_cfg->is_invoke_hostcmd) { if (hs_cfg->conditions == HS_CFG_CANCEL) { if (!test_bit(MWIFIEX_IS_HS_CONFIGURED, &adapter->work_flags)) /* 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(HS_CFG_CANCEL)) { /* Return failure if no parameters for HS enable */ status = -1; break; } status = mwifiex_send_cmd(priv, HostCmd_CMD_802_11_HS_CFG_ENH, HostCmd_ACT_GEN_SET, 0, &adapter->hs_cfg, cmd_type == MWIFIEX_SYNC_CMD); if (hs_cfg->conditions == HS_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 = HS_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; struct mwifiex_private *priv; int i; if (disconnect_on_suspend) { for (i = 0; i < adapter->priv_num; i++) { priv = adapter->priv[i]; if (priv) mwifiex_deauthenticate(priv, NULL); } } priv = mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_STA); if (priv && priv->sched_scanning) { #ifdef CONFIG_PM if (priv->wdev.wiphy->wowlan_config && !priv->wdev.wiphy->wowlan_config->nd_config) { #endif mwifiex_dbg(adapter, CMD, "aborting bgscan!\n"); mwifiex_stop_bg_scan(priv); cfg80211_sched_scan_stopped(priv->wdev.wiphy, 0); #ifdef CONFIG_PM } #endif } if (adapter->hs_activated) { mwifiex_dbg(adapter, CMD, "cmd: HS Already activated\n"); return true; } adapter->hs_activate_wait_q_woken = false; memset(&hscfg, 0, sizeof(hscfg)); hscfg.is_invoke_hostcmd = true; set_bit(MWIFIEX_IS_HS_ENABLING, &adapter->work_flags); mwifiex_cancel_all_pending_cmd(adapter); if (mwifiex_set_hs_params(mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_STA), HostCmd_ACT_GEN_SET, MWIFIEX_SYNC_CMD, &hscfg)) { mwifiex_dbg(adapter, ERROR, "IOCTL request HS enable failed\n"); return false; } if (wait_event_interruptible_timeout(adapter->hs_activate_wait_q, adapter->hs_activate_wait_q_woken, (10 * HZ)) <= 0) { mwifiex_dbg(adapter, ERROR, "hs_activate_wait_q terminated\n"); return false; } 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; memcpy(info->country_code, adapter->country_code, IEEE80211_COUNTRY_STRING_LEN); 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 = test_bit(MWIFIEX_IS_HS_CONFIGURED, &adapter->work_flags); 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 = DEEP_SLEEP_OFF, }; return mwifiex_send_cmd(priv, HostCmd_CMD_802_11_PS_MODE_ENH, DIS_AUTO_PS, BITMAP_AUTO_DS, &auto_ds, true); } EXPORT_SYMBOL_GPL(mwifiex_disable_auto_ds); /* * 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, u32 *rate) { int ret; ret = mwifiex_send_cmd(priv, HostCmd_CMD_802_11_TX_RATE_QUERY, HostCmd_ACT_GEN_GET, 0, NULL, true); if (!ret) { if (priv->is_data_rate_auto) *rate = mwifiex_index_to_data_rate(priv, priv->tx_rate, priv->tx_htinfo); else *rate = priv->data_rate; } 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)) { mwifiex_dbg(priv->adapter, ERROR, "txpower value %d dBm\t" "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) 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) { u16 dbm_min = power_cfg->is_power_fixed ? dbm : priv->min_tx_power_level; 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 = cpu_to_le16(TLV_TYPE_POWER_GROUP); pg_tlv->length = cpu_to_le16(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_min; 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_min; 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_min; 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_min; pg->power_max = (s8) dbm; pg->ht_bandwidth = HT_BW_40; } ret = mwifiex_send_cmd(priv, HostCmd_CMD_TXPWR_CFG, HostCmd_ACT_GEN_SET, 0, buf, true); 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(priv, HostCmd_CMD_802_11_PS_MODE_ENH, sub_cmd, BITMAP_STA_PS, NULL, true); if ((!ret) && (sub_cmd == DIS_AUTO_PS)) ret = mwifiex_send_cmd(priv, HostCmd_CMD_802_11_PS_MODE_ENH, GET_PS, 0, NULL, false); 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(struct mwifiex_private *priv, u8 *ie_data_ptr, u16 ie_len) { if (ie_len) { if (ie_len > sizeof(priv->wpa_ie)) { mwifiex_dbg(priv->adapter, ERROR, "failed to copy WPA IE, too big\n"); return -1; } memcpy(priv->wpa_ie, ie_data_ptr, ie_len); priv->wpa_ie_len = ie_len; mwifiex_dbg(priv->adapter, CMD, "cmd: Set Wpa_ie_len=%d IE=%#x\n", priv->wpa_ie_len, priv->wpa_ie[0]); if (priv->wpa_ie[0] == WLAN_EID_VENDOR_SPECIFIC) { 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; mwifiex_dbg(priv->adapter, INFO, "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)) { mwifiex_dbg(priv->adapter, ERROR, "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; mwifiex_dbg(priv->adapter, CMD, "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; mwifiex_dbg(priv->adapter, INFO, "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/reset WPS IE. * * The supplied WPS IE is treated as a opaque buffer. Only the first field * is checked to internally enable WPS. If buffer length is zero, the existing * WPS IE is reset. */ static int mwifiex_set_wps_ie(struct mwifiex_private *priv, u8 *ie_data_ptr, u16 ie_len) { if (ie_len) { if (ie_len > MWIFIEX_MAX_VSIE_LEN) { mwifiex_dbg(priv->adapter, ERROR, "info: failed to copy WPS IE, too big\n"); return -1; } priv->wps_ie = kzalloc(MWIFIEX_MAX_VSIE_LEN, GFP_KERNEL); if (!priv->wps_ie) return -ENOMEM; memcpy(priv->wps_ie, ie_data_ptr, ie_len); priv->wps_ie_len = ie_len; mwifiex_dbg(priv->adapter, CMD, "cmd: Set wps_ie_len=%d IE=%#x\n", priv->wps_ie_len, priv->wps_ie[0]); } else { kfree(priv->wps_ie); priv->wps_ie_len = ie_len; mwifiex_dbg(priv->adapter, INFO, "info: Reset wps_ie_len=%d\n", priv->wps_ie_len); } 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(priv, HostCmd_CMD_802_11_KEY_MATERIAL, HostCmd_ACT_GEN_SET, KEY_INFO_ENABLED, encrypt_key, true); } /* * 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) { struct mwifiex_adapter *adapter = priv->adapter; 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) { mwifiex_dbg(adapter, ERROR, "key not set, so cannot enable it\n"); return -1; } if (adapter->key_api_major_ver == KEY_API_VER_MAJOR_V2) { memcpy(encrypt_key->key_material, wep_key->key_material, wep_key->key_length); encrypt_key->key_len = wep_key->key_length; } 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) { void *enc_key; if (encrypt_key->key_disable) { memset(&priv->wep_key[index], 0, sizeof(struct mwifiex_wep_key)); goto done; } if (adapter->key_api_major_ver == KEY_API_VER_MAJOR_V2) enc_key = encrypt_key; else enc_key = NULL; /* Send request to firmware */ ret = mwifiex_send_cmd(priv, HostCmd_CMD_802_11_KEY_MATERIAL, HostCmd_ACT_GEN_SET, 0, enc_key, false); if (ret) return ret; } done: 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(priv, HostCmd_CMD_MAC_CONTROL, HostCmd_ACT_GEN_SET, 0, &priv->curr_pkt_filter, true); 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) { mwifiex_dbg(priv->adapter, ERROR, "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(priv, HostCmd_CMD_802_11_KEY_MATERIAL, HostCmd_ACT_GEN_SET, KEY_INFO_ENABLED, encrypt_key, false); 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(priv, HostCmd_CMD_802_11_KEY_MATERIAL, HostCmd_ACT_GEN_SET, !KEY_INFO_ENABLED, encrypt_key, true); else ret = mwifiex_send_cmd(priv, HostCmd_CMD_802_11_KEY_MATERIAL, HostCmd_ACT_GEN_SET, KEY_INFO_ENABLED, encrypt_key, true); 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 { __le32 l; u8 c[4]; } ver; char fw_ver[32]; ver.l = cpu_to_le32(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); mwifiex_dbg(adapter, MSG, "info: MWIFIEX VERSION: %s\n", version); return 0; } /* * 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, struct key_params *kp, const u8 *key, int key_len, u8 key_index, const u8 *mac_addr, int disable) { struct mwifiex_ds_encrypt_key encrypt_key; memset(&encrypt_key, 0, sizeof(encrypt_key)); encrypt_key.key_len = key_len; encrypt_key.key_index = key_index; if (kp && kp->cipher == WLAN_CIPHER_SUITE_AES_CMAC) encrypt_key.is_igtk_key = true; if (!disable) { if (key_len) memcpy(encrypt_key.key_material, key, key_len); else encrypt_key.is_current_wep_key = true; if (mac_addr) memcpy(encrypt_key.mac_addr, mac_addr, ETH_ALEN); if (kp && kp->seq && kp->seq_len) { memcpy(encrypt_key.pn, kp->seq, kp->seq_len); encrypt_key.pn_len = kp->seq_len; encrypt_key.is_rx_seq_valid = true; } } else { encrypt_key.key_disable = true; if (mac_addr) memcpy(encrypt_key.mac_addr, mac_addr, ETH_ALEN); } 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, u32 version_str_sel) { struct mwifiex_ver_ext ver_ext; memset(&ver_ext, 0, sizeof(ver_ext)); ver_ext.version_str_sel = version_str_sel; if (mwifiex_send_cmd(priv, HostCmd_CMD_VERSION_EXT, HostCmd_ACT_GEN_GET, 0, &ver_ext, true)) return -1; return 0; } int mwifiex_remain_on_chan_cfg(struct mwifiex_private *priv, u16 action, struct ieee80211_channel *chan, unsigned int duration) { struct host_cmd_ds_remain_on_chan roc_cfg; u8 sc; memset(&roc_cfg, 0, sizeof(roc_cfg)); roc_cfg.action = cpu_to_le16(action); if (action == HostCmd_ACT_GEN_SET) { roc_cfg.band_cfg = chan->band; sc = mwifiex_chan_type_to_sec_chan_offset(NL80211_CHAN_NO_HT); roc_cfg.band_cfg |= (sc << 2); roc_cfg.channel = ieee80211_frequency_to_channel(chan->center_freq); roc_cfg.duration = cpu_to_le32(duration); } if (mwifiex_send_cmd(priv, HostCmd_CMD_REMAIN_ON_CHAN, action, 0, &roc_cfg, true)) { mwifiex_dbg(priv->adapter, ERROR, "failed to remain on channel\n"); return -1; } return roc_cfg.status; } /* * 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(priv, HostCmd_CMD_802_11_GET_LOG, HostCmd_ACT_GEN_GET, 0, log, true); } /* * 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 (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(priv, cmd_no, action, 0, reg_rw, true); } /* * 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 = reg_type; reg_rw.offset = reg_offset; reg_rw.value = 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 = reg_type; reg_rw.offset = reg_offset; ret = mwifiex_reg_mem_ioctl_reg_rw(priv, ®_rw, HostCmd_ACT_GEN_GET); if (ret) goto done; *value = 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 = offset; rd_eeprom.byte_count = bytes; /* Send request to firmware */ ret = mwifiex_send_cmd(priv, HostCmd_CMD_802_11_EEPROM_ACCESS, HostCmd_ACT_GEN_GET, 0, &rd_eeprom, true); if (!ret) memcpy(value, rd_eeprom.value, min((u16)MAX_EEPROM_DATA, rd_eeprom.byte_count)); 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) { struct ieee_types_vendor_header *pvendor_ie; const u8 wpa_oui[] = { 0x00, 0x50, 0xf2, 0x01 }; const u8 wps_oui[] = { 0x00, 0x50, 0xf2, 0x04 }; u16 unparsed_len = ie_len, cur_ie_len; /* 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 || ie_len <= sizeof(struct ieee_types_header)) { return -1; } pvendor_ie = (struct ieee_types_vendor_header *) ie_data_ptr; while (pvendor_ie) { cur_ie_len = pvendor_ie->len + sizeof(struct ieee_types_header); if (pvendor_ie->element_id == WLAN_EID_RSN) { /* IE is a WPA/WPA2 IE so call set_wpa function */ mwifiex_set_wpa_ie(priv, (u8 *)pvendor_ie, cur_ie_len); priv->wps.session_enable = false; goto next_ie; } if (pvendor_ie->element_id == WLAN_EID_BSS_AC_ACCESS_DELAY) { /* IE is a WAPI IE so call set_wapi function */ mwifiex_set_wapi_ie(priv, (u8 *)pvendor_ie, cur_ie_len); goto next_ie; } if (pvendor_ie->element_id == WLAN_EID_VENDOR_SPECIFIC) { /* Test to see if it is a WPA IE, if not, then * it is a gen IE */ if (!memcmp(pvendor_ie->oui, wpa_oui, sizeof(wpa_oui))) { /* IE is a WPA/WPA2 IE so call set_wpa function */ mwifiex_set_wpa_ie(priv, (u8 *)pvendor_ie, cur_ie_len); priv->wps.session_enable = false; goto next_ie; } if (!memcmp(pvendor_ie->oui, wps_oui, sizeof(wps_oui))) { /* Test to see if it is a WPS IE, * if so, enable wps session flag */ priv->wps.session_enable = true; mwifiex_dbg(priv->adapter, MSG, "WPS Session Enabled.\n"); mwifiex_set_wps_ie(priv, (u8 *)pvendor_ie, cur_ie_len); goto next_ie; } } /* Saved in gen_ie, such as P2P IE.etc.*/ /* Verify that the passed length is not larger than the * available space remaining in the buffer */ if (cur_ie_len < (sizeof(priv->gen_ie_buf) - priv->gen_ie_buf_len)) { /* Append the passed data to the end * of the genIeBuffer */ memcpy(priv->gen_ie_buf + priv->gen_ie_buf_len, (u8 *)pvendor_ie, cur_ie_len); /* Increment the stored buffer length by the * size passed */ priv->gen_ie_buf_len += cur_ie_len; } next_ie: unparsed_len -= cur_ie_len; if (unparsed_len <= sizeof(struct ieee_types_header)) pvendor_ie = NULL; else pvendor_ie = (struct ieee_types_vendor_header *) (((u8 *)pvendor_ie) + cur_ie_len); } return 0; } /* * 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; mwifiex_dbg(adapter, ERROR, "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: mwifiex_dbg(adapter, ERROR, "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, const 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; } /* This function get Host Sleep wake up reason. * */ int mwifiex_get_wakeup_reason(struct mwifiex_private *priv, u16 action, int cmd_type, struct mwifiex_ds_wakeup_reason *wakeup_reason) { int status = 0; status = mwifiex_send_cmd(priv, HostCmd_CMD_HS_WAKEUP_REASON, HostCmd_ACT_GEN_GET, 0, wakeup_reason, cmd_type == MWIFIEX_SYNC_CMD); return status; } int mwifiex_get_chan_info(struct mwifiex_private *priv, struct mwifiex_channel_band *channel_band) { int status = 0; status = mwifiex_send_cmd(priv, HostCmd_CMD_STA_CONFIGURE, HostCmd_ACT_GEN_GET, 0, channel_band, MWIFIEX_SYNC_CMD); return status; }
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