diff options
Diffstat (limited to 'drivers/net/wireless/rtlwifi/core.c')
| -rw-r--r-- | drivers/net/wireless/rtlwifi/core.c | 1423 |
1 files changed, 1423 insertions, 0 deletions
diff --git a/drivers/net/wireless/rtlwifi/core.c b/drivers/net/wireless/rtlwifi/core.c new file mode 100644 index 00000000000..b1ed6d0796f --- /dev/null +++ b/drivers/net/wireless/rtlwifi/core.c @@ -0,0 +1,1423 @@ +/****************************************************************************** + * + * 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_addr_delay(u32 addr) +{ + if (addr == 0xfe) + mdelay(50); + else if (addr == 0xfd) + mdelay(5); + else if (addr == 0xfc) + mdelay(1); + else if (addr == 0xfb) + udelay(50); + else if (addr == 0xfa) + udelay(5); + else if (addr == 0xf9) + udelay(1); +} +EXPORT_SYMBOL(rtl_addr_delay); + +void rtl_rfreg_delay(struct ieee80211_hw *hw, enum radio_path rfpath, u32 addr, + u32 mask, u32 data) +{ + if (addr == 0xfe) { + mdelay(50); + } else if (addr == 0xfd) { + mdelay(5); + } else if (addr == 0xfc) { + mdelay(1); + } else if (addr == 0xfb) { + udelay(50); + } else if (addr == 0xfa) { + udelay(5); + } else if (addr == 0xf9) { + udelay(1); + } else { + rtl_set_rfreg(hw, rfpath, addr, mask, data); + udelay(1); + } +} +EXPORT_SYMBOL(rtl_rfreg_delay); + +void rtl_bb_delay(struct ieee80211_hw *hw, u32 addr, u32 data) +{ + if (addr == 0xfe) { + mdelay(50); + } else if (addr == 0xfd) { + mdelay(5); + } else if (addr == 0xfc) { + mdelay(1); + } else if (addr == 0xfb) { + udelay(50); + } else if (addr == 0xfa) { + udelay(5); + } else if (addr == 0xf9) { + udelay(1); + } else { + rtl_set_bbreg(hw, addr, MASKDWORD, data); + udelay(1); + } +} +EXPORT_SYMBOL(rtl_bb_delay); + +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) { + if (rtlpriv->cfg->alt_fw_name) { + err = request_firmware(&firmware, + rtlpriv->cfg->alt_fw_name, + rtlpriv->io.dev); + pr_info("Loading alternative firmware %s\n", + rtlpriv->cfg->alt_fw_name); + if (!err) + goto found_alt; + } + pr_err("Firmware %s not available\n", rtlpriv->cfg->fw_name); + rtlpriv->max_fw_size = 0; + return; + } +found_alt: + 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]); + } + mac->link_state = MAC80211_LINKED; + 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)); + u32 rx_conf; + + *new_flags &= RTL_SUPPORTED_FILTERS; + if (!changed_flags) + return; + + /* 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); + } + } + } + + /* must be called after set_chk_bssid since that function modifies the + * RCR register too. */ + rtlpriv->cfg->ops->get_hw_reg(hw, HW_VAR_RCR, (u8 *)(&rx_conf)); + + /*TODO: we disable broadcase now, so enable here */ + if (changed_flags & FIF_ALLMULTI) { + if (*new_flags & FIF_ALLMULTI) { + 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 { + 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) { + rx_conf |= rtlpriv->cfg->maps[MAC_RCR_ACRC32]; + RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD, + "Enable receive FCS error frame\n"); + } else { + rx_conf &= ~rtlpriv->cfg->maps[MAC_RCR_ACRC32]; + RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD, + "Disable receive FCS error frame\n"); + } + } + + + if (changed_flags & FIF_CONTROL) { + if (*new_flags & FIF_CONTROL) { + rx_conf |= rtlpriv->cfg->maps[MAC_RCR_ACF]; + + RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD, + "Enable receive control frame\n"); + } else { + 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) { + rx_conf |= rtlpriv->cfg->maps[MAC_RCR_AAP]; + RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD, + "Enable receive other BSS's frame\n"); + } else { + rx_conf &= ~rtlpriv->cfg->maps[MAC_RCR_AAP]; + RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD, + "Disable receive other BSS's frame\n"); + } + } + + rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_RCR, (u8 *)(&rx_conf)); +} +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 (!sta) { + pr_err("ieee80211_find_sta returned NULL\n"); + rcu_read_unlock(); + goto out; + } + + 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; + u8 keep_alive = 10; + rtlpriv->cfg->ops->set_hw_reg(hw, + HW_VAR_KEEP_ALIVE, + &keep_alive); + + 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, struct ieee80211_vif *vif, + 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); |