/****************************************************************************** * * Copyright(c) 2009-2010 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 * Realtek Corporation, No. 2, Innovation Road II, Hsinchu Science Park, * Hsinchu 300, Taiwan. * * Larry Finger * *****************************************************************************/ #include "wifi.h" #include "core.h" #include "cam.h" #include "base.h" #include "ps.h" #include "btcoexist/rtl_btc.h" /*mutex for start & stop is must here. */ static int rtl_op_start(struct ieee80211_hw *hw) { int err = 0; 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) goto out; rtl_watch_dog_timer_callback((unsigned long)hw); out: 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); } /**/ #if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,39)) static int rtl_op_tx(struct ieee80211_hw *hw, 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, skb)) rtlpriv->intf_ops->adapter_tx(hw, skb, &tcb_desc); return NETDEV_TX_OK; err_free: dev_kfree_skb_any(skb); return NETDEV_TX_OK; } #else #if (LINUX_VERSION_CODE < KERNEL_VERSION(3,7,0)) static void rtl_op_tx(struct ieee80211_hw *hw, struct sk_buff *skb) #else /**/ static void rtl_op_tx(struct ieee80211_hw *hw, struct ieee80211_tx_control *control, struct sk_buff *skb) /**/ #endif /**/ { 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 (LINUX_VERSION_CODE < KERNEL_VERSION(3,7,0)) if (!rtlpriv->intf_ops->waitq_insert(hw, skb)) rtlpriv->intf_ops->adapter_tx(hw, skb, &tcb_desc); #else /**/ if (!rtlpriv->intf_ops->waitq_insert(hw, control->sta, skb)) rtlpriv->intf_ops->adapter_tx(hw, control->sta, skb, &tcb_desc); /**/ #endif /**/ return; err_free: dev_kfree_skb_any(skb); return; } /**/ #endif /**/ 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; if (mac->vif) { RT_TRACE(COMP_ERR, DBG_WARNING, ("vif has been set!! mac->vif = 0x%p\n", mac->vif)); return -EOPNOTSUPP; } /*This flag is not defined before kernel 3.4*/ #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,4,0)) vif->driver_flags |= IEEE80211_VIF_BEACON_FILTER; #endif rtl_ips_nic_on(hw); mutex_lock(&rtlpriv->locks.conf_mutex); /**/ #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,37)) switch (ieee80211_vif_type_p2p(vif)) { case NL80211_IFTYPE_P2P_CLIENT: mac->p2p = P2P_ROLE_CLIENT; /*fall through*/ #else /**/ switch (vif->type) { /**/ #endif /**/ case NL80211_IFTYPE_STATION: if (mac->beacon_enabled == 1) { RT_TRACE(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(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; /**/ #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,37)) case NL80211_IFTYPE_P2P_GO: mac->p2p = P2P_ROLE_GO; /*fall through*/ #endif /**/ case NL80211_IFTYPE_AP: RT_TRACE(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(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(COMP_ERR, DBG_EMERG, ("operation mode %d is not support!\n", vif->type)); err = -EOPNOTSUPP; goto out; } #ifdef VIF_TODO if (!rtl_set_vif_info(hw, vif)) goto out; #endif if (mac->p2p) { RT_TRACE(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); } /**/ #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,37)) /**/ 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(COMP_MAC80211, DBG_LOUD, (" p2p %x\n",p2p)); return ret; } /**/ #endif /**/ 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(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(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) { #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,10,0)) struct ieee80211_channel *channel = hw->conf.chandef.chan; enum nl80211_channel_type channel_type = cfg80211_get_chandef_type(&(hw->conf.chandef)); #else struct ieee80211_channel *channel = hw->conf.channel; enum nl80211_channel_type channel_type = hw->conf.channel_type; #endif 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->check_switch_to_dmdp) rtlpriv->cfg->ops->check_switch_to_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 (channel_type) { 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(COMP_ERR, DBG_EMERG, ("switch case not processed \n")); break; } if (wide_chan <= 0) wide_chan = 1; /* in scanning, when before we 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 have cause AP's put lots of packet to hw tx * buffer, these packet must be tx before off channel so we must * delay more time to let AP flush these packets before * offchannel, or dis-association or delete BA will happen by AP */ if (rtlpriv->mac80211.offchan_deley) { rtlpriv->mac80211.offchan_deley = 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, channel_type); } 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 (0 == 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(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(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(COMP_MAC80211, DBG_LOUD, ("Enable receive FCS error frame.\n")); } else { mac->rx_conf &= ~rtlpriv->cfg->maps[MAC_RCR_ACRC32]; RT_TRACE(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(COMP_MAC80211, DBG_LOUD, ("Enable receive control frame.\n")); } else { mac->rx_conf &= ~rtlpriv->cfg->maps[MAC_RCR_ACF]; RT_TRACE(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(COMP_MAC80211, DBG_LOUD, ("Enable receive other BSS's frame.\n")); } else { mac->rx_conf &= ~rtlpriv->cfg->maps[MAC_RCR_AAP]; RT_TRACE(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(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(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 */ #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,2,0)) static int rtl_op_conf_tx(struct ieee80211_hw *hw, struct ieee80211_vif *vif, u16 queue, const struct ieee80211_tx_queue_params *param) #else static int rtl_op_conf_tx(struct ieee80211_hw *hw, u16 queue, const struct ieee80211_tx_queue_params *param) #endif { struct rtl_priv *rtlpriv = rtl_priv(hw); struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); int aci; if (queue >= AC_MAX) { RT_TRACE(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 = param->cw_min; mac->ac[aci].cw_max = param->cw_max; mac->ac[aci].tx_op = 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)); 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(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(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(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(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(COMP_MAC80211, DBG_DMESG, ("BSS_CHANGED_ASSOC\n")); } else { if (mac->link_state == MAC80211_LINKED) rtl_lps_leave(hw); 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->check_switch_to_dmdp) rtlpriv->cfg->ops->check_switch_to_dmdp(hw); } RT_TRACE(COMP_MAC80211, DBG_DMESG, ("BSS_CHANGED_UN_ASSOC\n")); } } if (changed & BSS_CHANGED_ERP_CTS_PROT) { RT_TRACE(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(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, (u8 *) (&mac->short_preamble)); } if (changed & BSS_CHANGED_ERP_SLOT) { RT_TRACE(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, (u8 *) (&mac->slot_time)); } if (changed & BSS_CHANGED_HT) { struct ieee80211_sta *sta = NULL; RT_TRACE(COMP_MAC80211, DBG_TRACE, ("BSS_CHANGED_HT\n")); rcu_read_lock(); sta = ieee80211_find_sta(vif, (u8*)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, (u8 *) (&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; struct ieee80211_sta *sta = NULL; rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_BSSID, (u8 *) bss_conf->bssid); RT_TRACE(COMP_MAC80211, DBG_DMESG, ("bssid: %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 = ieee80211_find_sta(vif, (u8*)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 (vif->type == 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 and Keep Alive: * To tell firmware we have connected * to an AP. For 92SE/CE power save v2. */ if (changed & BSS_CHANGED_ASSOC) { if (bss_conf->assoc) { u8 keep_alive = 10; u8 mstatus = RT_MEDIA_CONNECT; rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_KEEP_ALIVE, (u8 *) (&keep_alive)); rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_H2C_FW_JOINBSSRPT, (u8 *) (&mstatus)); ppsc->report_linked = true; } else { u8 mstatus = RT_MEDIA_DISCONNECT; rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_H2C_FW_JOINBSSRPT, (u8 *) (&mstatus)); ppsc->report_linked = false; } if (rtlpriv->cfg->ops->get_btc_status()){ rtlpriv->btcoexist.btc_ops->btc_mediastatus_notify( rtlpriv, ppsc->report_linked); } } out: mutex_unlock(&rtlpriv->locks.conf_mutex); } #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,2,0)) static u64 rtl_op_get_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif) #else static u64 rtl_op_get_tsf(struct ieee80211_hw *hw) #endif { struct rtl_priv *rtlpriv = rtl_priv(hw); u64 tsf; rtlpriv->cfg->ops->get_hw_reg(hw, HW_VAR_CORRECT_TSF, (u8 *) (&tsf)); return tsf; } #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,2,0)) static void rtl_op_set_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif, u64 tsf) #else static void rtl_op_set_tsf(struct ieee80211_hw *hw, u64 tsf) #endif { 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, (u8 *) (&bibss)); } #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,2,0)) static void rtl_op_reset_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif) #else static void rtl_op_reset_tsf(struct ieee80211_hw *hw) #endif { struct rtl_priv *rtlpriv = rtl_priv(hw); u8 tmp = 0; rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_DUAL_TSF_RST, (u8 *) (&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 /**/ #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,39)) /**/ ,u8 buf_size /**/ #endif /**/ ) { struct rtl_priv *rtlpriv = rtl_priv(hw); switch (action) { case IEEE80211_AMPDU_TX_START: RT_TRACE(COMP_MAC80211, DBG_TRACE, ("IEEE80211_AMPDU_TX_START: TID:%d\n", tid)); return rtl_tx_agg_start(hw, vif, sta, tid, ssn); break; #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,9,0)) case IEEE80211_AMPDU_TX_STOP_CONT: case IEEE80211_AMPDU_TX_STOP_FLUSH: case IEEE80211_AMPDU_TX_STOP_FLUSH_CONT: #else case IEEE80211_AMPDU_TX_STOP: #endif RT_TRACE(COMP_MAC80211, DBG_TRACE, ("IEEE80211_AMPDU_TX_STOP: TID:%d\n", tid)); return rtl_tx_agg_stop(hw, vif, sta, tid); break; case IEEE80211_AMPDU_TX_OPERATIONAL: RT_TRACE(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(COMP_MAC80211, DBG_TRACE, ("IEEE80211_AMPDU_RX_START:TID:%d\n", tid)); return rtl_rx_agg_start(hw, sta, tid); break; case IEEE80211_AMPDU_RX_STOP: RT_TRACE(COMP_MAC80211, DBG_TRACE, ("IEEE80211_AMPDU_RX_STOP:TID:%d\n", tid)); return rtl_rx_agg_stop(hw, sta, tid); break; default: RT_TRACE(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(COMP_MAC80211, DBG_LOUD, ("\n")); mac->act_scanning = true; /*rtlpriv->btcops->btc_scan_notify(rtlpriv, 0); */ if (rtlpriv->link_info.b_higher_busytraffic) { mac->skip_scan = true; return; } if (rtlpriv->dm.supp_phymode_switch) { if (rtlpriv->cfg->ops->check_switch_to_dmdp) rtlpriv->cfg->ops->check_switch_to_dmdp(hw); } if (mac->link_state == MAC80211_LINKED) { rtl_lps_leave(hw); mac->link_state = MAC80211_LINKED_SCANNING; } else { rtl_ips_nic_on(hw); } /* Dul mac */ rtlpriv->rtlhal.b_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_BAND0); } 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(COMP_MAC80211, DBG_LOUD, ("\n")); mac->act_scanning = false; mac->skip_scan = false; if (rtlpriv->link_info.b_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; /* Dul mac */ rtlpriv->rtlhal.b_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); /* rtlpriv->btcops->btc_scan_notify(rtlpriv, 1); */ } 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); 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 }; u8 zero_addr[ETH_ALEN] = { 0 }; if (rtlpriv->cfg->mod_params->sw_crypto || rtlpriv->sec.use_sw_sec) { RT_TRACE(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(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 */ /**/ #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,37)) /**/ switch (key->cipher) { case WLAN_CIPHER_SUITE_WEP40: key_type = WEP40_ENCRYPTION; RT_TRACE(COMP_SEC, DBG_DMESG, ("alg:WEP40\n")); break; case WLAN_CIPHER_SUITE_WEP104: RT_TRACE(COMP_SEC, DBG_DMESG, ("alg:WEP104\n")); key_type = WEP104_ENCRYPTION; break; case WLAN_CIPHER_SUITE_TKIP: key_type = TKIP_ENCRYPTION; RT_TRACE(COMP_SEC, DBG_DMESG, ("alg:TKIP\n")); break; case WLAN_CIPHER_SUITE_CCMP: key_type = AESCCMP_ENCRYPTION; RT_TRACE(COMP_SEC, DBG_DMESG, ("alg:CCMP\n")); break; case WLAN_CIPHER_SUITE_AES_CMAC: /* HW don't support CMAC encryption, * use software CMAC encryption */ key_type = AESCMAC_ENCRYPTION; RT_TRACE(COMP_SEC, DBG_DMESG, ("alg:CMAC\n")); RT_TRACE(COMP_SEC, DBG_DMESG, ("HW don't support CMAC encrypiton, " "use software CMAC encrypiton\n")); err = -EOPNOTSUPP; goto out_unlock; default: RT_TRACE(COMP_ERR, DBG_EMERG, ("alg_err:%x!!!!:\n", key->cipher)); goto out_unlock; } /**/ #else switch (key->alg) { case ALG_WEP: if (key->keylen == WLAN_KEY_LEN_WEP40) { key_type = WEP40_ENCRYPTION; RT_TRACE(COMP_SEC, DBG_DMESG, ("alg:WEP40\n")); } else { RT_TRACE(COMP_SEC, DBG_DMESG, ("alg:WEP104\n")); key_type = WEP104_ENCRYPTION; } break; case ALG_TKIP: key_type = TKIP_ENCRYPTION; RT_TRACE(COMP_SEC, DBG_DMESG, ("alg:TKIP\n")); break; case ALG_CCMP: key_type = AESCCMP_ENCRYPTION; RT_TRACE(COMP_SEC, DBG_DMESG, ("alg:CCMP\n")); break; case ALG_AES_CMAC: /*HW don't support CMAC encryption, use software CMAC encryption */ key_type = AESCMAC_ENCRYPTION; RT_TRACE(COMP_SEC, DBG_DMESG, ("alg:CMAC\n")); RT_TRACE(COMP_SEC, DBG_DMESG, ("HW don't support CMAC encrypiton, " "use software CMAC encrypiton\n")); err = -EOPNOTSUPP; goto out_unlock; default: RT_TRACE(COMP_ERR, DBG_EMERG, ("alg_err:%x!!!!:\n", key->alg)); goto out_unlock; } #endif /**/ if(key_type == WEP40_ENCRYPTION || key_type == WEP104_ENCRYPTION || vif->type == 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 * ke 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) || (vif->type == 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(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(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; memcpy(mac_addr, zero_addr, ETH_ALEN); } else if (group_key) { /* group key */ RT_TRACE(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(COMP_SEC, DBG_DMESG, ("set pairwise key\n")); if (!sta) { RT_ASSERT(false, ("pairwise key withnot" "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; break; case DISABLE_KEY: RT_TRACE(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; memcpy(mac_addr, zero_addr, ETH_ALEN); /* *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); break; default: RT_TRACE(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(COMP_RF, DBG_DMESG, (KERN_INFO "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 channle or power save, or tx buffer packet * maybe send after offchannel or rf sleep, this may cause * dis-association by AP */ #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,10,0)) 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, queues, drop); } #else static void rtl_op_flush(struct ieee80211_hw *hw, bool drop) { struct rtl_priv *rtlpriv = rtl_priv(hw); if (rtlpriv->intf_ops->flush) rtlpriv->intf_ops->flush(hw, drop); } #endif 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, /**/ #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,37)) /**/ .change_interface = rtl_op_change_interface, /**/ #endif /**/ .config = rtl_op_config, .configure_filter = rtl_op_configure_filter, .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, .sta_add = rtl_op_sta_add, .sta_remove = rtl_op_sta_remove, .flush = rtl_op_flush, };