| /****************************************************************************** |
| * |
| * 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, ETH_ALEN); |
| 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, ETH_ALEN); |
| 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, ETH_ALEN); |
| |
| 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, ETH_ALEN); |
| 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, ETH_ALEN); |
| 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); |