| /****************************************************************************** | |
| * | |
| * Copyright(c) 2009-2012 Realtek Corporation. | |
| * | |
| * This program is free software; you can redistribute it and/or modify it | |
| * under the terms of version 2 of the GNU General Public License 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 Street, Fifth Floor, Boston, MA 02110, USA | |
| * | |
| * The full GNU General Public License is included in this distribution in the | |
| * file called LICENSE. | |
| * | |
| * Contact Information: | |
| * wlanfae <wlanfae@realtek.com> | |
| * Realtek Corporation, No. 2, Innovation Road II, Hsinchu Science Park, | |
| * Hsinchu 300, Taiwan. | |
| * | |
| * Larry Finger <Larry.Finger@lwfinger.net> | |
| * | |
| *****************************************************************************/ | |
| #include "wifi.h" | |
| #include "core.h" | |
| #include "cam.h" | |
| #include "base.h" | |
| #include "pci.h" | |
| #include "ps.h" | |
| #include <linux/export.h> | |
| void rtl_fw_cb(const struct firmware *firmware, void *context) | |
| { | |
| struct ieee80211_hw *hw = context; | |
| struct rtl_priv *rtlpriv = rtl_priv(hw); | |
| int err; | |
| RT_TRACE(rtlpriv, COMP_ERR, DBG_LOUD, | |
| "Firmware callback routine entered!\n"); | |
| complete(&rtlpriv->firmware_loading_complete); | |
| if (!firmware) { | |
| pr_err("Firmware %s not available\n", rtlpriv->cfg->fw_name); | |
| rtlpriv->max_fw_size = 0; | |
| return; | |
| } | |
| if (firmware->size > rtlpriv->max_fw_size) { | |
| RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG, | |
| "Firmware is too big!\n"); | |
| release_firmware(firmware); | |
| return; | |
| } | |
| memcpy(rtlpriv->rtlhal.pfirmware, firmware->data, firmware->size); | |
| rtlpriv->rtlhal.fwsize = firmware->size; | |
| release_firmware(firmware); | |
| err = ieee80211_register_hw(hw); | |
| if (err) { | |
| RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG, | |
| "Can't register mac80211 hw\n"); | |
| return; | |
| } else { | |
| rtlpriv->mac80211.mac80211_registered = 1; | |
| } | |
| set_bit(RTL_STATUS_INTERFACE_START, &rtlpriv->status); | |
| /*init rfkill */ | |
| rtl_init_rfkill(hw); | |
| } | |
| EXPORT_SYMBOL(rtl_fw_cb); | |
| /*mutex for start & stop is must here. */ | |
| static int rtl_op_start(struct ieee80211_hw *hw) | |
| { | |
| int err; | |
| struct rtl_priv *rtlpriv = rtl_priv(hw); | |
| struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw)); | |
| if (!is_hal_stop(rtlhal)) | |
| return 0; | |
| if (!test_bit(RTL_STATUS_INTERFACE_START, &rtlpriv->status)) | |
| return 0; | |
| mutex_lock(&rtlpriv->locks.conf_mutex); | |
| err = rtlpriv->intf_ops->adapter_start(hw); | |
| if (!err) | |
| rtl_watch_dog_timer_callback((unsigned long)hw); | |
| mutex_unlock(&rtlpriv->locks.conf_mutex); | |
| return err; | |
| } | |
| static void rtl_op_stop(struct ieee80211_hw *hw) | |
| { | |
| struct rtl_priv *rtlpriv = rtl_priv(hw); | |
| struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); | |
| struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw)); | |
| struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw)); | |
| if (is_hal_stop(rtlhal)) | |
| return; | |
| /* here is must, because adhoc do stop and start, | |
| * but stop with RFOFF may cause something wrong, | |
| * like adhoc TP | |
| */ | |
| if (unlikely(ppsc->rfpwr_state == ERFOFF)) { | |
| rtl_ips_nic_on(hw); | |
| } | |
| mutex_lock(&rtlpriv->locks.conf_mutex); | |
| mac->link_state = MAC80211_NOLINK; | |
| memset(mac->bssid, 0, 6); | |
| mac->vendor = PEER_UNKNOWN; | |
| /*reset sec info */ | |
| rtl_cam_reset_sec_info(hw); | |
| rtl_deinit_deferred_work(hw); | |
| rtlpriv->intf_ops->adapter_stop(hw); | |
| mutex_unlock(&rtlpriv->locks.conf_mutex); | |
| } | |
| static void rtl_op_tx(struct ieee80211_hw *hw, | |
| struct ieee80211_tx_control *control, | |
| struct sk_buff *skb) | |
| { | |
| struct rtl_priv *rtlpriv = rtl_priv(hw); | |
| struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw)); | |
| struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw)); | |
| struct rtl_tcb_desc tcb_desc; | |
| memset(&tcb_desc, 0, sizeof(struct rtl_tcb_desc)); | |
| if (unlikely(is_hal_stop(rtlhal) || ppsc->rfpwr_state != ERFON)) | |
| goto err_free; | |
| if (!test_bit(RTL_STATUS_INTERFACE_START, &rtlpriv->status)) | |
| goto err_free; | |
| if (!rtlpriv->intf_ops->waitq_insert(hw, control->sta, skb)) | |
| rtlpriv->intf_ops->adapter_tx(hw, control->sta, skb, &tcb_desc); | |
| return; | |
| err_free: | |
| dev_kfree_skb_any(skb); | |
| } | |
| static int rtl_op_add_interface(struct ieee80211_hw *hw, | |
| struct ieee80211_vif *vif) | |
| { | |
| struct rtl_priv *rtlpriv = rtl_priv(hw); | |
| struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); | |
| int err = 0; | |
| vif->driver_flags |= IEEE80211_VIF_BEACON_FILTER; | |
| if (mac->vif) { | |
| RT_TRACE(rtlpriv, COMP_ERR, DBG_WARNING, | |
| "vif has been set!! mac->vif = 0x%p\n", mac->vif); | |
| return -EOPNOTSUPP; | |
| } | |
| rtl_ips_nic_on(hw); | |
| mutex_lock(&rtlpriv->locks.conf_mutex); | |
| switch (ieee80211_vif_type_p2p(vif)) { | |
| case NL80211_IFTYPE_P2P_CLIENT: | |
| mac->p2p = P2P_ROLE_CLIENT; | |
| /*fall through*/ | |
| case NL80211_IFTYPE_STATION: | |
| if (mac->beacon_enabled == 1) { | |
| RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD, | |
| "NL80211_IFTYPE_STATION\n"); | |
| mac->beacon_enabled = 0; | |
| rtlpriv->cfg->ops->update_interrupt_mask(hw, 0, | |
| rtlpriv->cfg->maps | |
| [RTL_IBSS_INT_MASKS]); | |
| } | |
| break; | |
| case NL80211_IFTYPE_ADHOC: | |
| RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD, | |
| "NL80211_IFTYPE_ADHOC\n"); | |
| mac->link_state = MAC80211_LINKED; | |
| rtlpriv->cfg->ops->set_bcn_reg(hw); | |
| if (rtlpriv->rtlhal.current_bandtype == BAND_ON_2_4G) | |
| mac->basic_rates = 0xfff; | |
| else | |
| mac->basic_rates = 0xff0; | |
| rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_BASIC_RATE, | |
| (u8 *) (&mac->basic_rates)); | |
| break; | |
| case NL80211_IFTYPE_P2P_GO: | |
| mac->p2p = P2P_ROLE_GO; | |
| /*fall through*/ | |
| case NL80211_IFTYPE_AP: | |
| RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD, | |
| "NL80211_IFTYPE_AP\n"); | |
| mac->link_state = MAC80211_LINKED; | |
| rtlpriv->cfg->ops->set_bcn_reg(hw); | |
| if (rtlpriv->rtlhal.current_bandtype == BAND_ON_2_4G) | |
| mac->basic_rates = 0xfff; | |
| else | |
| mac->basic_rates = 0xff0; | |
| rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_BASIC_RATE, | |
| (u8 *) (&mac->basic_rates)); | |
| break; | |
| case NL80211_IFTYPE_MESH_POINT: | |
| RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD, | |
| "NL80211_IFTYPE_MESH_POINT\n"); | |
| mac->link_state = MAC80211_LINKED; | |
| rtlpriv->cfg->ops->set_bcn_reg(hw); | |
| if (rtlpriv->rtlhal.current_bandtype == BAND_ON_2_4G) | |
| mac->basic_rates = 0xfff; | |
| else | |
| mac->basic_rates = 0xff0; | |
| rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_BASIC_RATE, | |
| (u8 *)(&mac->basic_rates)); | |
| break; | |
| default: | |
| RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG, | |
| "operation mode %d is not supported!\n", vif->type); | |
| err = -EOPNOTSUPP; | |
| goto out; | |
| } | |
| if (mac->p2p) { | |
| RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD, | |
| "p2p role %x\n", vif->type); | |
| mac->basic_rates = 0xff0;/*disable cck rate for p2p*/ | |
| rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_BASIC_RATE, | |
| (u8 *)(&mac->basic_rates)); | |
| } | |
| mac->vif = vif; | |
| mac->opmode = vif->type; | |
| rtlpriv->cfg->ops->set_network_type(hw, vif->type); | |
| memcpy(mac->mac_addr, vif->addr, ETH_ALEN); | |
| rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_ETHER_ADDR, mac->mac_addr); | |
| out: | |
| mutex_unlock(&rtlpriv->locks.conf_mutex); | |
| return err; | |
| } | |
| static void rtl_op_remove_interface(struct ieee80211_hw *hw, | |
| struct ieee80211_vif *vif) | |
| { | |
| struct rtl_priv *rtlpriv = rtl_priv(hw); | |
| struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); | |
| mutex_lock(&rtlpriv->locks.conf_mutex); | |
| /* Free beacon resources */ | |
| if ((vif->type == NL80211_IFTYPE_AP) || | |
| (vif->type == NL80211_IFTYPE_ADHOC) || | |
| (vif->type == NL80211_IFTYPE_MESH_POINT)) { | |
| if (mac->beacon_enabled == 1) { | |
| mac->beacon_enabled = 0; | |
| rtlpriv->cfg->ops->update_interrupt_mask(hw, 0, | |
| rtlpriv->cfg->maps | |
| [RTL_IBSS_INT_MASKS]); | |
| } | |
| } | |
| /* | |
| *Note: We assume NL80211_IFTYPE_UNSPECIFIED as | |
| *NO LINK for our hardware. | |
| */ | |
| mac->p2p = 0; | |
| mac->vif = NULL; | |
| mac->link_state = MAC80211_NOLINK; | |
| memset(mac->bssid, 0, 6); | |
| mac->vendor = PEER_UNKNOWN; | |
| mac->opmode = NL80211_IFTYPE_UNSPECIFIED; | |
| rtlpriv->cfg->ops->set_network_type(hw, mac->opmode); | |
| mutex_unlock(&rtlpriv->locks.conf_mutex); | |
| } | |
| static int rtl_op_change_interface(struct ieee80211_hw *hw, | |
| struct ieee80211_vif *vif, | |
| enum nl80211_iftype new_type, bool p2p) | |
| { | |
| struct rtl_priv *rtlpriv = rtl_priv(hw); | |
| int ret; | |
| rtl_op_remove_interface(hw, vif); | |
| vif->type = new_type; | |
| vif->p2p = p2p; | |
| ret = rtl_op_add_interface(hw, vif); | |
| RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD, | |
| "p2p %x\n", p2p); | |
| return ret; | |
| } | |
| static int rtl_op_config(struct ieee80211_hw *hw, u32 changed) | |
| { | |
| struct rtl_priv *rtlpriv = rtl_priv(hw); | |
| struct rtl_phy *rtlphy = &(rtlpriv->phy); | |
| struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); | |
| struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw)); | |
| struct ieee80211_conf *conf = &hw->conf; | |
| if (mac->skip_scan) | |
| return 1; | |
| mutex_lock(&rtlpriv->locks.conf_mutex); | |
| if (changed & IEEE80211_CONF_CHANGE_LISTEN_INTERVAL) { /*BIT(2)*/ | |
| RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD, | |
| "IEEE80211_CONF_CHANGE_LISTEN_INTERVAL\n"); | |
| } | |
| /*For IPS */ | |
| if (changed & IEEE80211_CONF_CHANGE_IDLE) { | |
| if (hw->conf.flags & IEEE80211_CONF_IDLE) | |
| rtl_ips_nic_off(hw); | |
| else | |
| rtl_ips_nic_on(hw); | |
| } else { | |
| /* | |
| *although rfoff may not cause by ips, but we will | |
| *check the reason in set_rf_power_state function | |
| */ | |
| if (unlikely(ppsc->rfpwr_state == ERFOFF)) | |
| rtl_ips_nic_on(hw); | |
| } | |
| /*For LPS */ | |
| if (changed & IEEE80211_CONF_CHANGE_PS) { | |
| cancel_delayed_work(&rtlpriv->works.ps_work); | |
| cancel_delayed_work(&rtlpriv->works.ps_rfon_wq); | |
| if (conf->flags & IEEE80211_CONF_PS) { | |
| rtlpriv->psc.sw_ps_enabled = true; | |
| /* sleep here is must, or we may recv the beacon and | |
| * cause mac80211 into wrong ps state, this will cause | |
| * power save nullfunc send fail, and further cause | |
| * pkt loss, So sleep must quickly but not immediatly | |
| * because that will cause nullfunc send by mac80211 | |
| * fail, and cause pkt loss, we have tested that 5mA | |
| * is worked very well */ | |
| if (!rtlpriv->psc.multi_buffered) | |
| queue_delayed_work(rtlpriv->works.rtl_wq, | |
| &rtlpriv->works.ps_work, | |
| MSECS(5)); | |
| } else { | |
| rtl_swlps_rf_awake(hw); | |
| rtlpriv->psc.sw_ps_enabled = false; | |
| } | |
| } | |
| if (changed & IEEE80211_CONF_CHANGE_RETRY_LIMITS) { | |
| RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD, | |
| "IEEE80211_CONF_CHANGE_RETRY_LIMITS %x\n", | |
| hw->conf.long_frame_max_tx_count); | |
| mac->retry_long = hw->conf.long_frame_max_tx_count; | |
| mac->retry_short = hw->conf.long_frame_max_tx_count; | |
| rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_RETRY_LIMIT, | |
| (u8 *) (&hw->conf. | |
| long_frame_max_tx_count)); | |
| } | |
| if (changed & IEEE80211_CONF_CHANGE_CHANNEL) { | |
| struct ieee80211_channel *channel = hw->conf.chandef.chan; | |
| u8 wide_chan = (u8) channel->hw_value; | |
| if (mac->act_scanning) | |
| mac->n_channels++; | |
| if (rtlpriv->dm.supp_phymode_switch && | |
| mac->link_state < MAC80211_LINKED && | |
| !mac->act_scanning) { | |
| if (rtlpriv->cfg->ops->chk_switch_dmdp) | |
| rtlpriv->cfg->ops->chk_switch_dmdp(hw); | |
| } | |
| /* | |
| *because we should back channel to | |
| *current_network.chan in in scanning, | |
| *So if set_chan == current_network.chan | |
| *we should set it. | |
| *because mac80211 tell us wrong bw40 | |
| *info for cisco1253 bw20, so we modify | |
| *it here based on UPPER & LOWER | |
| */ | |
| switch (cfg80211_get_chandef_type(&hw->conf.chandef)) { | |
| case NL80211_CHAN_HT20: | |
| case NL80211_CHAN_NO_HT: | |
| /* SC */ | |
| mac->cur_40_prime_sc = | |
| PRIME_CHNL_OFFSET_DONT_CARE; | |
| rtlphy->current_chan_bw = HT_CHANNEL_WIDTH_20; | |
| mac->bw_40 = false; | |
| break; | |
| case NL80211_CHAN_HT40MINUS: | |
| /* SC */ | |
| mac->cur_40_prime_sc = PRIME_CHNL_OFFSET_UPPER; | |
| rtlphy->current_chan_bw = | |
| HT_CHANNEL_WIDTH_20_40; | |
| mac->bw_40 = true; | |
| /*wide channel */ | |
| wide_chan -= 2; | |
| break; | |
| case NL80211_CHAN_HT40PLUS: | |
| /* SC */ | |
| mac->cur_40_prime_sc = PRIME_CHNL_OFFSET_LOWER; | |
| rtlphy->current_chan_bw = | |
| HT_CHANNEL_WIDTH_20_40; | |
| mac->bw_40 = true; | |
| /*wide channel */ | |
| wide_chan += 2; | |
| break; | |
| default: | |
| mac->bw_40 = false; | |
| RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG, | |
| "switch case not processed\n"); | |
| break; | |
| } | |
| if (wide_chan <= 0) | |
| wide_chan = 1; | |
| /* In scanning, before we go offchannel we may send a ps = 1 | |
| * null to AP, and then we may send a ps = 0 null to AP quickly, | |
| * but first null may have caused AP to put lots of packet to | |
| * hw tx buffer. These packets must be tx'd before we go off | |
| * channel so we must delay more time to let AP flush these | |
| * packets before going offchannel, or dis-association or | |
| * delete BA will be caused by AP | |
| */ | |
| if (rtlpriv->mac80211.offchan_delay) { | |
| rtlpriv->mac80211.offchan_delay = false; | |
| mdelay(50); | |
| } | |
| rtlphy->current_channel = wide_chan; | |
| rtlpriv->cfg->ops->switch_channel(hw); | |
| rtlpriv->cfg->ops->set_channel_access(hw); | |
| rtlpriv->cfg->ops->set_bw_mode(hw, | |
| cfg80211_get_chandef_type(&hw->conf.chandef)); | |
| } | |
| mutex_unlock(&rtlpriv->locks.conf_mutex); | |
| return 0; | |
| } | |
| static void rtl_op_configure_filter(struct ieee80211_hw *hw, | |
| unsigned int changed_flags, | |
| unsigned int *new_flags, u64 multicast) | |
| { | |
| struct rtl_priv *rtlpriv = rtl_priv(hw); | |
| struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); | |
| *new_flags &= RTL_SUPPORTED_FILTERS; | |
| if (!changed_flags) | |
| return; | |
| /*TODO: we disable broadcase now, so enable here */ | |
| if (changed_flags & FIF_ALLMULTI) { | |
| if (*new_flags & FIF_ALLMULTI) { | |
| mac->rx_conf |= rtlpriv->cfg->maps[MAC_RCR_AM] | | |
| rtlpriv->cfg->maps[MAC_RCR_AB]; | |
| RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD, | |
| "Enable receive multicast frame\n"); | |
| } else { | |
| mac->rx_conf &= ~(rtlpriv->cfg->maps[MAC_RCR_AM] | | |
| rtlpriv->cfg->maps[MAC_RCR_AB]); | |
| RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD, | |
| "Disable receive multicast frame\n"); | |
| } | |
| } | |
| if (changed_flags & FIF_FCSFAIL) { | |
| if (*new_flags & FIF_FCSFAIL) { | |
| mac->rx_conf |= rtlpriv->cfg->maps[MAC_RCR_ACRC32]; | |
| RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD, | |
| "Enable receive FCS error frame\n"); | |
| } else { | |
| mac->rx_conf &= ~rtlpriv->cfg->maps[MAC_RCR_ACRC32]; | |
| RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD, | |
| "Disable receive FCS error frame\n"); | |
| } | |
| } | |
| /* if ssid not set to hw don't check bssid | |
| * here just used for linked scanning, & linked | |
| * and nolink check bssid is set in set network_type */ | |
| if ((changed_flags & FIF_BCN_PRBRESP_PROMISC) && | |
| (mac->link_state >= MAC80211_LINKED)) { | |
| if (mac->opmode != NL80211_IFTYPE_AP && | |
| mac->opmode != NL80211_IFTYPE_MESH_POINT) { | |
| if (*new_flags & FIF_BCN_PRBRESP_PROMISC) { | |
| rtlpriv->cfg->ops->set_chk_bssid(hw, false); | |
| } else { | |
| rtlpriv->cfg->ops->set_chk_bssid(hw, true); | |
| } | |
| } | |
| } | |
| if (changed_flags & FIF_CONTROL) { | |
| if (*new_flags & FIF_CONTROL) { | |
| mac->rx_conf |= rtlpriv->cfg->maps[MAC_RCR_ACF]; | |
| RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD, | |
| "Enable receive control frame\n"); | |
| } else { | |
| mac->rx_conf &= ~rtlpriv->cfg->maps[MAC_RCR_ACF]; | |
| RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD, | |
| "Disable receive control frame\n"); | |
| } | |
| } | |
| if (changed_flags & FIF_OTHER_BSS) { | |
| if (*new_flags & FIF_OTHER_BSS) { | |
| mac->rx_conf |= rtlpriv->cfg->maps[MAC_RCR_AAP]; | |
| RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD, | |
| "Enable receive other BSS's frame\n"); | |
| } else { | |
| mac->rx_conf &= ~rtlpriv->cfg->maps[MAC_RCR_AAP]; | |
| RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD, | |
| "Disable receive other BSS's frame\n"); | |
| } | |
| } | |
| } | |
| static int rtl_op_sta_add(struct ieee80211_hw *hw, | |
| struct ieee80211_vif *vif, | |
| struct ieee80211_sta *sta) | |
| { | |
| struct rtl_priv *rtlpriv = rtl_priv(hw); | |
| struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw)); | |
| struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); | |
| struct rtl_sta_info *sta_entry; | |
| if (sta) { | |
| sta_entry = (struct rtl_sta_info *) sta->drv_priv; | |
| spin_lock_bh(&rtlpriv->locks.entry_list_lock); | |
| list_add_tail(&sta_entry->list, &rtlpriv->entry_list); | |
| spin_unlock_bh(&rtlpriv->locks.entry_list_lock); | |
| if (rtlhal->current_bandtype == BAND_ON_2_4G) { | |
| sta_entry->wireless_mode = WIRELESS_MODE_G; | |
| if (sta->supp_rates[0] <= 0xf) | |
| sta_entry->wireless_mode = WIRELESS_MODE_B; | |
| if (sta->ht_cap.ht_supported == true) | |
| sta_entry->wireless_mode = WIRELESS_MODE_N_24G; | |
| if (vif->type == NL80211_IFTYPE_ADHOC) | |
| sta_entry->wireless_mode = WIRELESS_MODE_G; | |
| } else if (rtlhal->current_bandtype == BAND_ON_5G) { | |
| sta_entry->wireless_mode = WIRELESS_MODE_A; | |
| if (sta->ht_cap.ht_supported == true) | |
| sta_entry->wireless_mode = WIRELESS_MODE_N_24G; | |
| if (vif->type == NL80211_IFTYPE_ADHOC) | |
| sta_entry->wireless_mode = WIRELESS_MODE_A; | |
| } | |
| /*disable cck rate for p2p*/ | |
| if (mac->p2p) | |
| sta->supp_rates[0] &= 0xfffffff0; | |
| memcpy(sta_entry->mac_addr, sta->addr, ETH_ALEN); | |
| RT_TRACE(rtlpriv, COMP_MAC80211, DBG_DMESG, | |
| "Add sta addr is %pM\n", sta->addr); | |
| rtlpriv->cfg->ops->update_rate_tbl(hw, sta, 0); | |
| } | |
| return 0; | |
| } | |
| static int rtl_op_sta_remove(struct ieee80211_hw *hw, | |
| struct ieee80211_vif *vif, | |
| struct ieee80211_sta *sta) | |
| { | |
| struct rtl_priv *rtlpriv = rtl_priv(hw); | |
| struct rtl_sta_info *sta_entry; | |
| if (sta) { | |
| RT_TRACE(rtlpriv, COMP_MAC80211, DBG_DMESG, | |
| "Remove sta addr is %pM\n", sta->addr); | |
| sta_entry = (struct rtl_sta_info *) sta->drv_priv; | |
| sta_entry->wireless_mode = 0; | |
| sta_entry->ratr_index = 0; | |
| spin_lock_bh(&rtlpriv->locks.entry_list_lock); | |
| list_del(&sta_entry->list); | |
| spin_unlock_bh(&rtlpriv->locks.entry_list_lock); | |
| } | |
| return 0; | |
| } | |
| static int _rtl_get_hal_qnum(u16 queue) | |
| { | |
| int qnum; | |
| switch (queue) { | |
| case 0: | |
| qnum = AC3_VO; | |
| break; | |
| case 1: | |
| qnum = AC2_VI; | |
| break; | |
| case 2: | |
| qnum = AC0_BE; | |
| break; | |
| case 3: | |
| qnum = AC1_BK; | |
| break; | |
| default: | |
| qnum = AC0_BE; | |
| break; | |
| } | |
| return qnum; | |
| } | |
| /* | |
| *for mac80211 VO = 0, VI = 1, BE = 2, BK = 3 | |
| *for rtl819x BE = 0, BK = 1, VI = 2, VO = 3 | |
| */ | |
| static int rtl_op_conf_tx(struct ieee80211_hw *hw, | |
| struct ieee80211_vif *vif, u16 queue, | |
| const struct ieee80211_tx_queue_params *param) | |
| { | |
| struct rtl_priv *rtlpriv = rtl_priv(hw); | |
| struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); | |
| int aci; | |
| if (queue >= AC_MAX) { | |
| RT_TRACE(rtlpriv, COMP_ERR, DBG_WARNING, | |
| "queue number %d is incorrect!\n", queue); | |
| return -EINVAL; | |
| } | |
| aci = _rtl_get_hal_qnum(queue); | |
| mac->ac[aci].aifs = param->aifs; | |
| mac->ac[aci].cw_min = cpu_to_le16(param->cw_min); | |
| mac->ac[aci].cw_max = cpu_to_le16(param->cw_max); | |
| mac->ac[aci].tx_op = cpu_to_le16(param->txop); | |
| memcpy(&mac->edca_param[aci], param, sizeof(*param)); | |
| rtlpriv->cfg->ops->set_qos(hw, aci); | |
| return 0; | |
| } | |
| static void rtl_op_bss_info_changed(struct ieee80211_hw *hw, | |
| struct ieee80211_vif *vif, | |
| struct ieee80211_bss_conf *bss_conf, u32 changed) | |
| { | |
| struct rtl_priv *rtlpriv = rtl_priv(hw); | |
| struct rtl_hal *rtlhal = rtl_hal(rtlpriv); | |
| struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); | |
| struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw)); | |
| struct ieee80211_sta *sta = NULL; | |
| mutex_lock(&rtlpriv->locks.conf_mutex); | |
| if ((vif->type == NL80211_IFTYPE_ADHOC) || | |
| (vif->type == NL80211_IFTYPE_AP) || | |
| (vif->type == NL80211_IFTYPE_MESH_POINT)) { | |
| if ((changed & BSS_CHANGED_BEACON) || | |
| (changed & BSS_CHANGED_BEACON_ENABLED && | |
| bss_conf->enable_beacon)) { | |
| if (mac->beacon_enabled == 0) { | |
| RT_TRACE(rtlpriv, COMP_MAC80211, DBG_DMESG, | |
| "BSS_CHANGED_BEACON_ENABLED\n"); | |
| /*start hw beacon interrupt. */ | |
| /*rtlpriv->cfg->ops->set_bcn_reg(hw); */ | |
| mac->beacon_enabled = 1; | |
| rtlpriv->cfg->ops->update_interrupt_mask(hw, | |
| rtlpriv->cfg->maps | |
| [RTL_IBSS_INT_MASKS], | |
| 0); | |
| if (rtlpriv->cfg->ops->linked_set_reg) | |
| rtlpriv->cfg->ops->linked_set_reg(hw); | |
| } | |
| } | |
| if ((changed & BSS_CHANGED_BEACON_ENABLED && | |
| !bss_conf->enable_beacon)) { | |
| if (mac->beacon_enabled == 1) { | |
| RT_TRACE(rtlpriv, COMP_MAC80211, DBG_DMESG, | |
| "ADHOC DISABLE BEACON\n"); | |
| mac->beacon_enabled = 0; | |
| rtlpriv->cfg->ops->update_interrupt_mask(hw, 0, | |
| rtlpriv->cfg->maps | |
| [RTL_IBSS_INT_MASKS]); | |
| } | |
| } | |
| if (changed & BSS_CHANGED_BEACON_INT) { | |
| RT_TRACE(rtlpriv, COMP_BEACON, DBG_TRACE, | |
| "BSS_CHANGED_BEACON_INT\n"); | |
| mac->beacon_interval = bss_conf->beacon_int; | |
| rtlpriv->cfg->ops->set_bcn_intv(hw); | |
| } | |
| } | |
| /*TODO: reference to enum ieee80211_bss_change */ | |
| if (changed & BSS_CHANGED_ASSOC) { | |
| if (bss_conf->assoc) { | |
| struct ieee80211_sta *sta = NULL; | |
| /* we should reset all sec info & cam | |
| * before set cam after linked, we should not | |
| * reset in disassoc, that will cause tkip->wep | |
| * fail because some flag will be wrong */ | |
| /* reset sec info */ | |
| rtl_cam_reset_sec_info(hw); | |
| /* reset cam to fix wep fail issue | |
| * when change from wpa to wep */ | |
| rtl_cam_reset_all_entry(hw); | |
| mac->link_state = MAC80211_LINKED; | |
| mac->cnt_after_linked = 0; | |
| mac->assoc_id = bss_conf->aid; | |
| memcpy(mac->bssid, bss_conf->bssid, 6); | |
| if (rtlpriv->cfg->ops->linked_set_reg) | |
| rtlpriv->cfg->ops->linked_set_reg(hw); | |
| rcu_read_lock(); | |
| sta = ieee80211_find_sta(vif, (u8 *)bss_conf->bssid); | |
| if (vif->type == NL80211_IFTYPE_STATION && sta) | |
| rtlpriv->cfg->ops->update_rate_tbl(hw, sta, 0); | |
| RT_TRACE(rtlpriv, COMP_EASY_CONCURRENT, DBG_LOUD, | |
| "send PS STATIC frame\n"); | |
| if (rtlpriv->dm.supp_phymode_switch) { | |
| if (sta->ht_cap.ht_supported) | |
| rtl_send_smps_action(hw, sta, | |
| IEEE80211_SMPS_STATIC); | |
| } | |
| rcu_read_unlock(); | |
| RT_TRACE(rtlpriv, COMP_MAC80211, DBG_DMESG, | |
| "BSS_CHANGED_ASSOC\n"); | |
| } else { | |
| if (mac->link_state == MAC80211_LINKED) { | |
| rtlpriv->enter_ps = false; | |
| schedule_work(&rtlpriv->works.lps_change_work); | |
| } | |
| if (ppsc->p2p_ps_info.p2p_ps_mode > P2P_PS_NONE) | |
| rtl_p2p_ps_cmd(hw, P2P_PS_DISABLE); | |
| mac->link_state = MAC80211_NOLINK; | |
| memset(mac->bssid, 0, 6); | |
| mac->vendor = PEER_UNKNOWN; | |
| if (rtlpriv->dm.supp_phymode_switch) { | |
| if (rtlpriv->cfg->ops->chk_switch_dmdp) | |
| rtlpriv->cfg->ops->chk_switch_dmdp(hw); | |
| } | |
| RT_TRACE(rtlpriv, COMP_MAC80211, DBG_DMESG, | |
| "BSS_CHANGED_UN_ASSOC\n"); | |
| } | |
| } | |
| if (changed & BSS_CHANGED_ERP_CTS_PROT) { | |
| RT_TRACE(rtlpriv, COMP_MAC80211, DBG_TRACE, | |
| "BSS_CHANGED_ERP_CTS_PROT\n"); | |
| mac->use_cts_protect = bss_conf->use_cts_prot; | |
| } | |
| if (changed & BSS_CHANGED_ERP_PREAMBLE) { | |
| RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD, | |
| "BSS_CHANGED_ERP_PREAMBLE use short preamble:%x\n", | |
| bss_conf->use_short_preamble); | |
| mac->short_preamble = bss_conf->use_short_preamble; | |
| rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_ACK_PREAMBLE, | |
| &mac->short_preamble); | |
| } | |
| if (changed & BSS_CHANGED_ERP_SLOT) { | |
| RT_TRACE(rtlpriv, COMP_MAC80211, DBG_TRACE, | |
| "BSS_CHANGED_ERP_SLOT\n"); | |
| if (bss_conf->use_short_slot) | |
| mac->slot_time = RTL_SLOT_TIME_9; | |
| else | |
| mac->slot_time = RTL_SLOT_TIME_20; | |
| rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_SLOT_TIME, | |
| &mac->slot_time); | |
| } | |
| if (changed & BSS_CHANGED_HT) { | |
| RT_TRACE(rtlpriv, COMP_MAC80211, DBG_TRACE, "BSS_CHANGED_HT\n"); | |
| rcu_read_lock(); | |
| sta = get_sta(hw, vif, bss_conf->bssid); | |
| if (sta) { | |
| if (sta->ht_cap.ampdu_density > | |
| mac->current_ampdu_density) | |
| mac->current_ampdu_density = | |
| sta->ht_cap.ampdu_density; | |
| if (sta->ht_cap.ampdu_factor < | |
| mac->current_ampdu_factor) | |
| mac->current_ampdu_factor = | |
| sta->ht_cap.ampdu_factor; | |
| } | |
| rcu_read_unlock(); | |
| rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_SHORTGI_DENSITY, | |
| &mac->max_mss_density); | |
| rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_AMPDU_FACTOR, | |
| &mac->current_ampdu_factor); | |
| rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_AMPDU_MIN_SPACE, | |
| &mac->current_ampdu_density); | |
| } | |
| if (changed & BSS_CHANGED_BSSID) { | |
| u32 basic_rates; | |
| rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_BSSID, | |
| (u8 *) bss_conf->bssid); | |
| RT_TRACE(rtlpriv, COMP_MAC80211, DBG_DMESG, "%pM\n", | |
| bss_conf->bssid); | |
| mac->vendor = PEER_UNKNOWN; | |
| memcpy(mac->bssid, bss_conf->bssid, 6); | |
| rtlpriv->cfg->ops->set_network_type(hw, vif->type); | |
| rcu_read_lock(); | |
| sta = get_sta(hw, vif, bss_conf->bssid); | |
| if (!sta) { | |
| rcu_read_unlock(); | |
| goto out; | |
| } | |
| if (rtlhal->current_bandtype == BAND_ON_5G) { | |
| mac->mode = WIRELESS_MODE_A; | |
| } else { | |
| if (sta->supp_rates[0] <= 0xf) | |
| mac->mode = WIRELESS_MODE_B; | |
| else | |
| mac->mode = WIRELESS_MODE_G; | |
| } | |
| if (sta->ht_cap.ht_supported) { | |
| if (rtlhal->current_bandtype == BAND_ON_2_4G) | |
| mac->mode = WIRELESS_MODE_N_24G; | |
| else | |
| mac->mode = WIRELESS_MODE_N_5G; | |
| } | |
| /* just station need it, because ibss & ap mode will | |
| * set in sta_add, and will be NULL here */ | |
| if (mac->opmode == NL80211_IFTYPE_STATION) { | |
| struct rtl_sta_info *sta_entry; | |
| sta_entry = (struct rtl_sta_info *) sta->drv_priv; | |
| sta_entry->wireless_mode = mac->mode; | |
| } | |
| if (sta->ht_cap.ht_supported) { | |
| mac->ht_enable = true; | |
| /* | |
| * for cisco 1252 bw20 it's wrong | |
| * if (ht_cap & IEEE80211_HT_CAP_SUP_WIDTH_20_40) { | |
| * mac->bw_40 = true; | |
| * } | |
| * */ | |
| } | |
| if (changed & BSS_CHANGED_BASIC_RATES) { | |
| /* for 5G must << RATE_6M_INDEX = 4, | |
| * because 5G have no cck rate*/ | |
| if (rtlhal->current_bandtype == BAND_ON_5G) | |
| basic_rates = sta->supp_rates[1] << 4; | |
| else | |
| basic_rates = sta->supp_rates[0]; | |
| mac->basic_rates = basic_rates; | |
| rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_BASIC_RATE, | |
| (u8 *) (&basic_rates)); | |
| } | |
| rcu_read_unlock(); | |
| } | |
| /* | |
| * For FW LPS: | |
| * To tell firmware we have connected | |
| * to an AP. For 92SE/CE power save v2. | |
| */ | |
| if (changed & BSS_CHANGED_ASSOC) { | |
| if (bss_conf->assoc) { | |
| if (ppsc->fwctrl_lps) { | |
| u8 mstatus = RT_MEDIA_CONNECT; | |
| rtlpriv->cfg->ops->set_hw_reg(hw, | |
| HW_VAR_H2C_FW_JOINBSSRPT, | |
| &mstatus); | |
| ppsc->report_linked = true; | |
| } | |
| } else { | |
| if (ppsc->fwctrl_lps) { | |
| u8 mstatus = RT_MEDIA_DISCONNECT; | |
| rtlpriv->cfg->ops->set_hw_reg(hw, | |
| HW_VAR_H2C_FW_JOINBSSRPT, | |
| &mstatus); | |
| ppsc->report_linked = false; | |
| } | |
| } | |
| if (rtlpriv->cfg->ops->bt_wifi_media_status_notify) | |
| rtlpriv->cfg->ops->bt_wifi_media_status_notify(hw, | |
| ppsc->report_linked); | |
| } | |
| out: | |
| mutex_unlock(&rtlpriv->locks.conf_mutex); | |
| } | |
| static u64 rtl_op_get_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif) | |
| { | |
| struct rtl_priv *rtlpriv = rtl_priv(hw); | |
| u64 tsf; | |
| rtlpriv->cfg->ops->get_hw_reg(hw, HW_VAR_CORRECT_TSF, (u8 *) (&tsf)); | |
| return tsf; | |
| } | |
| static void rtl_op_set_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif, | |
| u64 tsf) | |
| { | |
| struct rtl_priv *rtlpriv = rtl_priv(hw); | |
| struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); | |
| u8 bibss = (mac->opmode == NL80211_IFTYPE_ADHOC) ? 1 : 0; | |
| mac->tsf = tsf; | |
| rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_CORRECT_TSF, &bibss); | |
| } | |
| static void rtl_op_reset_tsf(struct ieee80211_hw *hw, | |
| struct ieee80211_vif *vif) | |
| { | |
| struct rtl_priv *rtlpriv = rtl_priv(hw); | |
| u8 tmp = 0; | |
| rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_DUAL_TSF_RST, &tmp); | |
| } | |
| static void rtl_op_sta_notify(struct ieee80211_hw *hw, | |
| struct ieee80211_vif *vif, | |
| enum sta_notify_cmd cmd, | |
| struct ieee80211_sta *sta) | |
| { | |
| switch (cmd) { | |
| case STA_NOTIFY_SLEEP: | |
| break; | |
| case STA_NOTIFY_AWAKE: | |
| break; | |
| default: | |
| break; | |
| } | |
| } | |
| static int rtl_op_ampdu_action(struct ieee80211_hw *hw, | |
| struct ieee80211_vif *vif, | |
| enum ieee80211_ampdu_mlme_action action, | |
| struct ieee80211_sta *sta, u16 tid, u16 *ssn, | |
| u8 buf_size) | |
| { | |
| struct rtl_priv *rtlpriv = rtl_priv(hw); | |
| switch (action) { | |
| case IEEE80211_AMPDU_TX_START: | |
| RT_TRACE(rtlpriv, COMP_MAC80211, DBG_TRACE, | |
| "IEEE80211_AMPDU_TX_START: TID:%d\n", tid); | |
| return rtl_tx_agg_start(hw, sta, tid, ssn); | |
| break; | |
| case IEEE80211_AMPDU_TX_STOP_CONT: | |
| case IEEE80211_AMPDU_TX_STOP_FLUSH: | |
| case IEEE80211_AMPDU_TX_STOP_FLUSH_CONT: | |
| RT_TRACE(rtlpriv, COMP_MAC80211, DBG_TRACE, | |
| "IEEE80211_AMPDU_TX_STOP: TID:%d\n", tid); | |
| return rtl_tx_agg_stop(hw, sta, tid); | |
| case IEEE80211_AMPDU_TX_OPERATIONAL: | |
| RT_TRACE(rtlpriv, COMP_MAC80211, DBG_TRACE, | |
| "IEEE80211_AMPDU_TX_OPERATIONAL:TID:%d\n", tid); | |
| rtl_tx_agg_oper(hw, sta, tid); | |
| break; | |
| case IEEE80211_AMPDU_RX_START: | |
| RT_TRACE(rtlpriv, COMP_MAC80211, DBG_TRACE, | |
| "IEEE80211_AMPDU_RX_START:TID:%d\n", tid); | |
| return rtl_rx_agg_start(hw, sta, tid); | |
| case IEEE80211_AMPDU_RX_STOP: | |
| RT_TRACE(rtlpriv, COMP_MAC80211, DBG_TRACE, | |
| "IEEE80211_AMPDU_RX_STOP:TID:%d\n", tid); | |
| return rtl_rx_agg_stop(hw, sta, tid); | |
| default: | |
| RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG, | |
| "IEEE80211_AMPDU_ERR!!!!:\n"); | |
| return -EOPNOTSUPP; | |
| } | |
| return 0; | |
| } | |
| static void rtl_op_sw_scan_start(struct ieee80211_hw *hw) | |
| { | |
| struct rtl_priv *rtlpriv = rtl_priv(hw); | |
| struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); | |
| RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD, "\n"); | |
| mac->act_scanning = true; | |
| if (rtlpriv->link_info.higher_busytraffic) { | |
| mac->skip_scan = true; | |
| return; | |
| } | |
| if (rtlpriv->dm.supp_phymode_switch) { | |
| if (rtlpriv->cfg->ops->chk_switch_dmdp) | |
| rtlpriv->cfg->ops->chk_switch_dmdp(hw); | |
| } | |
| if (mac->link_state == MAC80211_LINKED) { | |
| rtlpriv->enter_ps = false; | |
| schedule_work(&rtlpriv->works.lps_change_work); | |
| mac->link_state = MAC80211_LINKED_SCANNING; | |
| } else { | |
| rtl_ips_nic_on(hw); | |
| } | |
| /* Dual mac */ | |
| rtlpriv->rtlhal.load_imrandiqk_setting_for2g = false; | |
| rtlpriv->cfg->ops->led_control(hw, LED_CTL_SITE_SURVEY); | |
| rtlpriv->cfg->ops->scan_operation_backup(hw, SCAN_OPT_BACKUP); | |
| } | |
| static void rtl_op_sw_scan_complete(struct ieee80211_hw *hw) | |
| { | |
| struct rtl_priv *rtlpriv = rtl_priv(hw); | |
| struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); | |
| RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD, "\n"); | |
| mac->act_scanning = false; | |
| mac->skip_scan = false; | |
| if (rtlpriv->link_info.higher_busytraffic) | |
| return; | |
| /*p2p will use 1/6/11 to scan */ | |
| if (mac->n_channels == 3) | |
| mac->p2p_in_use = true; | |
| else | |
| mac->p2p_in_use = false; | |
| mac->n_channels = 0; | |
| /* Dual mac */ | |
| rtlpriv->rtlhal.load_imrandiqk_setting_for2g = false; | |
| if (mac->link_state == MAC80211_LINKED_SCANNING) { | |
| mac->link_state = MAC80211_LINKED; | |
| if (mac->opmode == NL80211_IFTYPE_STATION) { | |
| /* fix fwlps issue */ | |
| rtlpriv->cfg->ops->set_network_type(hw, mac->opmode); | |
| } | |
| } | |
| rtlpriv->cfg->ops->scan_operation_backup(hw, SCAN_OPT_RESTORE); | |
| } | |
| static int rtl_op_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd, | |
| struct ieee80211_vif *vif, struct ieee80211_sta *sta, | |
| struct ieee80211_key_conf *key) | |
| { | |
| struct rtl_priv *rtlpriv = rtl_priv(hw); | |
| struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); | |
| u8 key_type = NO_ENCRYPTION; | |
| u8 key_idx; | |
| bool group_key = false; | |
| bool wep_only = false; | |
| int err = 0; | |
| u8 mac_addr[ETH_ALEN]; | |
| u8 bcast_addr[ETH_ALEN] = { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff }; | |
| if (rtlpriv->cfg->mod_params->sw_crypto || rtlpriv->sec.use_sw_sec) { | |
| RT_TRACE(rtlpriv, COMP_ERR, DBG_WARNING, | |
| "not open hw encryption\n"); | |
| return -ENOSPC; /*User disabled HW-crypto */ | |
| } | |
| /* To support IBSS, use sw-crypto for GTK */ | |
| if (((vif->type == NL80211_IFTYPE_ADHOC) || | |
| (vif->type == NL80211_IFTYPE_MESH_POINT)) && | |
| !(key->flags & IEEE80211_KEY_FLAG_PAIRWISE)) | |
| return -ENOSPC; | |
| RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG, | |
| "%s hardware based encryption for keyidx: %d, mac: %pM\n", | |
| cmd == SET_KEY ? "Using" : "Disabling", key->keyidx, | |
| sta ? sta->addr : bcast_addr); | |
| rtlpriv->sec.being_setkey = true; | |
| rtl_ips_nic_on(hw); | |
| mutex_lock(&rtlpriv->locks.conf_mutex); | |
| /* <1> get encryption alg */ | |
| switch (key->cipher) { | |
| case WLAN_CIPHER_SUITE_WEP40: | |
| key_type = WEP40_ENCRYPTION; | |
| RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG, "alg:WEP40\n"); | |
| break; | |
| case WLAN_CIPHER_SUITE_WEP104: | |
| RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG, "alg:WEP104\n"); | |
| key_type = WEP104_ENCRYPTION; | |
| break; | |
| case WLAN_CIPHER_SUITE_TKIP: | |
| key_type = TKIP_ENCRYPTION; | |
| RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG, "alg:TKIP\n"); | |
| break; | |
| case WLAN_CIPHER_SUITE_CCMP: | |
| key_type = AESCCMP_ENCRYPTION; | |
| RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG, "alg:CCMP\n"); | |
| break; | |
| case WLAN_CIPHER_SUITE_AES_CMAC: | |
| /*HW doesn't support CMAC encryption, use software CMAC */ | |
| key_type = AESCMAC_ENCRYPTION; | |
| RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG, "alg:CMAC\n"); | |
| RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG, | |
| "HW don't support CMAC encryption, use software CMAC\n"); | |
| err = -EOPNOTSUPP; | |
| goto out_unlock; | |
| default: | |
| RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG, "alg_err:%x!!!!\n", | |
| key->cipher); | |
| goto out_unlock; | |
| } | |
| if (key_type == WEP40_ENCRYPTION || | |
| key_type == WEP104_ENCRYPTION || | |
| mac->opmode == NL80211_IFTYPE_ADHOC) | |
| rtlpriv->sec.use_defaultkey = true; | |
| /* <2> get key_idx */ | |
| key_idx = (u8) (key->keyidx); | |
| if (key_idx > 3) | |
| goto out_unlock; | |
| /* <3> if pairwise key enable_hw_sec */ | |
| group_key = !(key->flags & IEEE80211_KEY_FLAG_PAIRWISE); | |
| /* wep always be group key, but there are two conditions: | |
| * 1) wep only: is just for wep enc, in this condition | |
| * rtlpriv->sec.pairwise_enc_algorithm == NO_ENCRYPTION | |
| * will be true & enable_hw_sec will be set when wep | |
| * key setting. | |
| * 2) wep(group) + AES(pairwise): some AP like cisco | |
| * may use it, in this condition enable_hw_sec will not | |
| * be set when wep key setting */ | |
| /* we must reset sec_info after lingked before set key, | |
| * or some flag will be wrong*/ | |
| if (vif->type == NL80211_IFTYPE_AP || | |
| vif->type == NL80211_IFTYPE_MESH_POINT) { | |
| if (!group_key || key_type == WEP40_ENCRYPTION || | |
| key_type == WEP104_ENCRYPTION) { | |
| if (group_key) | |
| wep_only = true; | |
| rtlpriv->cfg->ops->enable_hw_sec(hw); | |
| } | |
| } else { | |
| if ((!group_key) || (mac->opmode == NL80211_IFTYPE_ADHOC) || | |
| rtlpriv->sec.pairwise_enc_algorithm == NO_ENCRYPTION) { | |
| if (rtlpriv->sec.pairwise_enc_algorithm == | |
| NO_ENCRYPTION && | |
| (key_type == WEP40_ENCRYPTION || | |
| key_type == WEP104_ENCRYPTION)) | |
| wep_only = true; | |
| rtlpriv->sec.pairwise_enc_algorithm = key_type; | |
| RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG, | |
| "set enable_hw_sec, key_type:%x(OPEN:0 WEP40:1 TKIP:2 AES:4 WEP104:5)\n", | |
| key_type); | |
| rtlpriv->cfg->ops->enable_hw_sec(hw); | |
| } | |
| } | |
| /* <4> set key based on cmd */ | |
| switch (cmd) { | |
| case SET_KEY: | |
| if (wep_only) { | |
| RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG, | |
| "set WEP(group/pairwise) key\n"); | |
| /* Pairwise key with an assigned MAC address. */ | |
| rtlpriv->sec.pairwise_enc_algorithm = key_type; | |
| rtlpriv->sec.group_enc_algorithm = key_type; | |
| /*set local buf about wep key. */ | |
| memcpy(rtlpriv->sec.key_buf[key_idx], | |
| key->key, key->keylen); | |
| rtlpriv->sec.key_len[key_idx] = key->keylen; | |
| eth_zero_addr(mac_addr); | |
| } else if (group_key) { /* group key */ | |
| RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG, | |
| "set group key\n"); | |
| /* group key */ | |
| rtlpriv->sec.group_enc_algorithm = key_type; | |
| /*set local buf about group key. */ | |
| memcpy(rtlpriv->sec.key_buf[key_idx], | |
| key->key, key->keylen); | |
| rtlpriv->sec.key_len[key_idx] = key->keylen; | |
| memcpy(mac_addr, bcast_addr, ETH_ALEN); | |
| } else { /* pairwise key */ | |
| RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG, | |
| "set pairwise key\n"); | |
| if (!sta) { | |
| RT_ASSERT(false, | |
| "pairwise key without mac_addr\n"); | |
| err = -EOPNOTSUPP; | |
| goto out_unlock; | |
| } | |
| /* Pairwise key with an assigned MAC address. */ | |
| rtlpriv->sec.pairwise_enc_algorithm = key_type; | |
| /*set local buf about pairwise key. */ | |
| memcpy(rtlpriv->sec.key_buf[PAIRWISE_KEYIDX], | |
| key->key, key->keylen); | |
| rtlpriv->sec.key_len[PAIRWISE_KEYIDX] = key->keylen; | |
| rtlpriv->sec.pairwise_key = | |
| rtlpriv->sec.key_buf[PAIRWISE_KEYIDX]; | |
| memcpy(mac_addr, sta->addr, ETH_ALEN); | |
| } | |
| rtlpriv->cfg->ops->set_key(hw, key_idx, mac_addr, | |
| group_key, key_type, wep_only, | |
| false); | |
| /* <5> tell mac80211 do something: */ | |
| /*must use sw generate IV, or can not work !!!!. */ | |
| key->flags |= IEEE80211_KEY_FLAG_GENERATE_IV; | |
| key->hw_key_idx = key_idx; | |
| if (key_type == TKIP_ENCRYPTION) | |
| key->flags |= IEEE80211_KEY_FLAG_GENERATE_MMIC; | |
| /*use software CCMP encryption for management frames (MFP) */ | |
| if (key_type == AESCCMP_ENCRYPTION) | |
| key->flags |= IEEE80211_KEY_FLAG_SW_MGMT_TX; | |
| break; | |
| case DISABLE_KEY: | |
| RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG, | |
| "disable key delete one entry\n"); | |
| /*set local buf about wep key. */ | |
| if (vif->type == NL80211_IFTYPE_AP || | |
| vif->type == NL80211_IFTYPE_MESH_POINT) { | |
| if (sta) | |
| rtl_cam_del_entry(hw, sta->addr); | |
| } | |
| memset(rtlpriv->sec.key_buf[key_idx], 0, key->keylen); | |
| rtlpriv->sec.key_len[key_idx] = 0; | |
| eth_zero_addr(mac_addr); | |
| /* | |
| *mac80211 will delete entrys one by one, | |
| *so don't use rtl_cam_reset_all_entry | |
| *or clear all entry here. | |
| */ | |
| rtl_cam_delete_one_entry(hw, mac_addr, key_idx); | |
| rtl_cam_reset_sec_info(hw); | |
| break; | |
| default: | |
| RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG, | |
| "cmd_err:%x!!!!\n", cmd); | |
| } | |
| out_unlock: | |
| mutex_unlock(&rtlpriv->locks.conf_mutex); | |
| rtlpriv->sec.being_setkey = false; | |
| return err; | |
| } | |
| static void rtl_op_rfkill_poll(struct ieee80211_hw *hw) | |
| { | |
| struct rtl_priv *rtlpriv = rtl_priv(hw); | |
| bool radio_state; | |
| bool blocked; | |
| u8 valid = 0; | |
| if (!test_bit(RTL_STATUS_INTERFACE_START, &rtlpriv->status)) | |
| return; | |
| mutex_lock(&rtlpriv->locks.conf_mutex); | |
| /*if Radio On return true here */ | |
| radio_state = rtlpriv->cfg->ops->radio_onoff_checking(hw, &valid); | |
| if (valid) { | |
| if (unlikely(radio_state != rtlpriv->rfkill.rfkill_state)) { | |
| rtlpriv->rfkill.rfkill_state = radio_state; | |
| RT_TRACE(rtlpriv, COMP_RF, DBG_DMESG, | |
| "wireless radio switch turned %s\n", | |
| radio_state ? "on" : "off"); | |
| blocked = (rtlpriv->rfkill.rfkill_state == 1) ? 0 : 1; | |
| wiphy_rfkill_set_hw_state(hw->wiphy, blocked); | |
| } | |
| } | |
| mutex_unlock(&rtlpriv->locks.conf_mutex); | |
| } | |
| /* this function is called by mac80211 to flush tx buffer | |
| * before switch channel or power save, or tx buffer packet | |
| * maybe send after offchannel or rf sleep, this may cause | |
| * dis-association by AP */ | |
| static void rtl_op_flush(struct ieee80211_hw *hw, u32 queues, bool drop) | |
| { | |
| struct rtl_priv *rtlpriv = rtl_priv(hw); | |
| if (rtlpriv->intf_ops->flush) | |
| rtlpriv->intf_ops->flush(hw, drop); | |
| } | |
| const struct ieee80211_ops rtl_ops = { | |
| .start = rtl_op_start, | |
| .stop = rtl_op_stop, | |
| .tx = rtl_op_tx, | |
| .add_interface = rtl_op_add_interface, | |
| .remove_interface = rtl_op_remove_interface, | |
| .change_interface = rtl_op_change_interface, | |
| .config = rtl_op_config, | |
| .configure_filter = rtl_op_configure_filter, | |
| .sta_add = rtl_op_sta_add, | |
| .sta_remove = rtl_op_sta_remove, | |
| .set_key = rtl_op_set_key, | |
| .conf_tx = rtl_op_conf_tx, | |
| .bss_info_changed = rtl_op_bss_info_changed, | |
| .get_tsf = rtl_op_get_tsf, | |
| .set_tsf = rtl_op_set_tsf, | |
| .reset_tsf = rtl_op_reset_tsf, | |
| .sta_notify = rtl_op_sta_notify, | |
| .ampdu_action = rtl_op_ampdu_action, | |
| .sw_scan_start = rtl_op_sw_scan_start, | |
| .sw_scan_complete = rtl_op_sw_scan_complete, | |
| .rfkill_poll = rtl_op_rfkill_poll, | |
| .flush = rtl_op_flush, | |
| }; | |
| EXPORT_SYMBOL_GPL(rtl_ops); |