diff options
Diffstat (limited to 'drivers/net/wireless/rtlwifi/core.c')
| -rw-r--r-- | drivers/net/wireless/rtlwifi/core.c | 1029 |
1 files changed, 1029 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..d6a924a0565 --- /dev/null +++ b/drivers/net/wireless/rtlwifi/core.c @@ -0,0 +1,1029 @@ +/****************************************************************************** + * + * 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 <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 "ps.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; + + if (unlikely(ppsc->rfpwr_state == ERFOFF)) { + rtl_ips_nic_on(hw); + mdelay(1); + } + + mutex_lock(&rtlpriv->locks.conf_mutex); + + mac->link_state = MAC80211_NOLINK; + memset(mac->bssid, 0, 6); + + /*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 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)); + + 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; + + + rtlpriv->intf_ops->adapter_tx(hw, skb); + + return NETDEV_TX_OK; + +err_free: + dev_kfree_skb_any(skb); + return NETDEV_TX_OK; +} + +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(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 (vif->type) { + 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); + break; + case NL80211_IFTYPE_AP: + RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD, + ("NL80211_IFTYPE_AP\n")); + break; + default: + RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG, + ("operation mode %d is not support!\n", vif->type)); + err = -EOPNOTSUPP; + goto out; + } + + 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 ((mac->opmode == NL80211_IFTYPE_AP) || + (mac->opmode == NL80211_IFTYPE_ADHOC) || + (mac->opmode == 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->vif = NULL; + mac->link_state = MAC80211_NOLINK; + memset(mac->bssid, 0, 6); + mac->opmode = NL80211_IFTYPE_UNSPECIFIED; + rtlpriv->cfg->ops->set_network_type(hw, mac->opmode); + + mutex_unlock(&rtlpriv->locks.conf_mutex); +} + + +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; + + 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) { + if (conf->flags & IEEE80211_CONF_PS) + rtl_lps_enter(hw); + else + rtl_lps_leave(hw); + } + + 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.channel; + u8 wide_chan = (u8) channel->hw_value; + + /* + *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 (hw->conf.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(rtlpriv, COMP_ERR, DBG_EMERG, + ("switch case not processed\n")); + break; + } + + if (wide_chan <= 0) + wide_chan = 1; + rtlphy->current_channel = wide_chan; + + rtlpriv->cfg->ops->set_channel_access(hw); + rtlpriv->cfg->ops->switch_channel(hw); + rtlpriv->cfg->ops->set_bw_mode(hw, + hw->conf.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 (!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 (changed_flags & FIF_BCN_PRBRESP_PROMISC) { + /* + *TODO: BIT(5) is probe response BIT(8) is beacon + *TODO: Use define for BIT(5) and BIT(8) + */ + if (*new_flags & FIF_BCN_PRBRESP_PROMISC) + mac->rx_mgt_filter |= (BIT(5) | BIT(8)); + else + mac->rx_mgt_filter &= ~(BIT(5) | BIT(8)); + } + + if (changed_flags & FIF_CONTROL) { + if (*new_flags & FIF_CONTROL) { + mac->rx_conf |= rtlpriv->cfg->maps[MAC_RCR_ACF]; + mac->rx_ctrl_filter |= RTL_SUPPORTED_CTRL_FILTER; + + RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD, + ("Enable receive control frame.\n")); + } else { + mac->rx_conf &= ~rtlpriv->cfg->maps[MAC_RCR_ACF]; + mac->rx_ctrl_filter &= ~RTL_SUPPORTED_CTRL_FILTER; + 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")); + } + } + + rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_RCR, (u8 *) (&mac->rx_conf)); + rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_MGT_FILTER, + (u8 *) (&mac->rx_mgt_filter)); + rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_CTRL_FILTER, + (u8 *) (&mac->rx_ctrl_filter)); +} + +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, 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 = 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_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(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); + } + } else { + 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) { + mac->link_state = MAC80211_LINKED; + mac->cnt_after_linked = 0; + mac->assoc_id = bss_conf->aid; + memcpy(mac->bssid, bss_conf->bssid, 6); + + RT_TRACE(rtlpriv, COMP_MAC80211, DBG_DMESG, + ("BSS_CHANGED_ASSOC\n")); + } else { + if (mac->link_state == MAC80211_LINKED) + rtl_lps_leave(hw); + + mac->link_state = MAC80211_NOLINK; + memset(mac->bssid, 0, 6); + + /* reset sec info */ + rtl_cam_reset_sec_info(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, + (u8 *) (&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, + (u8 *) (&mac->slot_time)); + } + + if (changed & BSS_CHANGED_HT) { + struct ieee80211_sta *sta = NULL; + + RT_TRACE(rtlpriv, COMP_MAC80211, DBG_TRACE, + ("BSS_CHANGED_HT\n")); + + sta = ieee80211_find_sta(mac->vif, mac->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; + } + + 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) { + struct ieee80211_sta *sta = NULL; + u32 basic_rates; + u8 i; + + rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_BSSID, + (u8 *) bss_conf->bssid); + + RT_TRACE(rtlpriv, COMP_MAC80211, DBG_DMESG, + (MAC_FMT "\n", MAC_ARG(bss_conf->bssid))); + + memcpy(mac->bssid, bss_conf->bssid, 6); + if (is_valid_ether_addr(bss_conf->bssid)) { + switch (vif->type) { + case NL80211_IFTYPE_UNSPECIFIED: + break; + case NL80211_IFTYPE_ADHOC: + break; + case NL80211_IFTYPE_STATION: + break; + case NL80211_IFTYPE_AP: + break; + default: + RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG, + ("switch case not process\n")); + break; + } + rtlpriv->cfg->ops->set_network_type(hw, vif->type); + } else + rtlpriv->cfg->ops->set_network_type(hw, + NL80211_IFTYPE_UNSPECIFIED); + + memset(mac->mcs, 0, 16); + mac->ht_enable = false; + mac->sgi_40 = false; + mac->sgi_20 = false; + + if (!bss_conf->use_short_slot) + mac->mode = WIRELESS_MODE_B; + else + mac->mode = WIRELESS_MODE_G; + + sta = ieee80211_find_sta(mac->vif, mac->bssid); + + if (sta) { + if (sta->ht_cap.ht_supported) { + mac->mode = WIRELESS_MODE_N_24G; + mac->ht_enable = true; + } + + if (mac->ht_enable) { + u16 ht_cap = sta->ht_cap.cap; + memcpy(mac->mcs, (u8 *) (&sta->ht_cap.mcs), 16); + + for (i = 0; i < 16; i++) + RT_TRACE(rtlpriv, COMP_MAC80211, + DBG_LOUD, ("%x ", + mac->mcs[i])); + RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD, + ("\n")); + + if (ht_cap & IEEE80211_HT_CAP_SGI_40) + mac->sgi_40 = true; + + if (ht_cap & IEEE80211_HT_CAP_SGI_20) + mac->sgi_20 = true; + + /* + * for cisco 1252 bw20 it's wrong + * if (ht_cap & + * IEEE80211_HT_CAP_SUP_WIDTH_20_40) { + * mac->bw_40 = true; + * } + */ + } + } + + /*mac80211 just give us CCK rates any time + *So we add G rate in basic rates when + not in B mode*/ + if (changed & BSS_CHANGED_BASIC_RATES) { + if (mac->mode == WIRELESS_MODE_B) + basic_rates = bss_conf->basic_rates | 0x00f; + else + basic_rates = bss_conf->basic_rates | 0xff0; + + if (!vif) + goto out; + + mac->basic_rates = basic_rates; + rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_BASIC_RATE, + (u8 *) (&basic_rates)); + + if (rtlpriv->dm.b_useramask) + rtlpriv->cfg->ops->update_rate_mask(hw, 0); + else + rtlpriv->cfg->ops->update_rate_table(hw); + + } + } + + /* + * 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->b_fwctrl_lps) { + u8 mstatus = RT_MEDIA_CONNECT; + rtlpriv->cfg->ops->set_hw_reg(hw, + HW_VAR_H2C_FW_JOINBSSRPT, + (u8 *) (&mstatus)); + ppsc->report_linked = true; + } + } else { + if (ppsc->b_fwctrl_lps) { + u8 mstatus = RT_MEDIA_DISCONNECT; + rtlpriv->cfg->ops->set_hw_reg(hw, + HW_VAR_H2C_FW_JOINBSSRPT, + (u8 *)(&mstatus)); + ppsc->report_linked = false; + } + } + } + +out: + mutex_unlock(&rtlpriv->locks.conf_mutex); +} + +static u64 rtl_op_get_tsf(struct ieee80211_hw *hw) +{ + 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, 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, (u8 *) (&bibss)); +} + +static void rtl_op_reset_tsf(struct ieee80211_hw *hw) +{ + 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) +{ + 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->addr, tid, ssn); + break; + case IEEE80211_AMPDU_TX_STOP: + RT_TRACE(rtlpriv, COMP_MAC80211, DBG_TRACE, + ("IEEE80211_AMPDU_TX_STOP: TID:%d\n", tid)); + return rtl_tx_agg_stop(hw, sta->addr, tid); + break; + case IEEE80211_AMPDU_TX_OPERATIONAL: + RT_TRACE(rtlpriv, COMP_MAC80211, DBG_TRACE, + ("IEEE80211_AMPDU_TX_OPERATIONAL:TID:%d\n", tid)); + break; + case IEEE80211_AMPDU_RX_START: + RT_TRACE(rtlpriv, COMP_MAC80211, DBG_TRACE, + ("IEEE80211_AMPDU_RX_START:TID:%d\n", tid)); + break; + case IEEE80211_AMPDU_RX_STOP: + RT_TRACE(rtlpriv, COMP_MAC80211, DBG_TRACE, + ("IEEE80211_AMPDU_RX_STOP:TID:%d\n", tid)); + break; + 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)); + + mac->act_scanning = true; + + RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD, ("\n")); + + if (mac->link_state == MAC80211_LINKED) { + rtl_lps_leave(hw); + mac->link_state = MAC80211_LINKED_SCANNING; + } else + rtl_ips_nic_on(hw); + + 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")); + + rtlpriv->cfg->ops->scan_operation_backup(hw, SCAN_OPT_RESTORE); + mac->act_scanning = false; + if (mac->link_state == MAC80211_LINKED_SCANNING) { + mac->link_state = MAC80211_LINKED; + + /* fix fwlps issue */ + rtlpriv->cfg->ops->set_network_type(hw, mac->opmode); + + if (rtlpriv->dm.b_useramask) + rtlpriv->cfg->ops->update_rate_mask(hw, 0); + else + rtlpriv->cfg->ops->update_rate_table(hw); + + } + +} + +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 }; + u8 zero_addr[ETH_ALEN] = { 0 }; + + 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 */ + } + 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")); + rtlpriv->sec.use_defaultkey = true; + break; + case WLAN_CIPHER_SUITE_WEP104: + RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG, + ("alg:WEP104\n")); + key_type = WEP104_ENCRYPTION; + rtlpriv->sec.use_defaultkey = true; + break; + case WLAN_CIPHER_SUITE_TKIP: + key_type = TKIP_ENCRYPTION; + RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG, ("alg:TKIP\n")); + if (mac->opmode == NL80211_IFTYPE_ADHOC) + rtlpriv->sec.use_defaultkey = true; + break; + case WLAN_CIPHER_SUITE_CCMP: + key_type = AESCCMP_ENCRYPTION; + RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG, ("alg:CCMP\n")); + if (mac->opmode == NL80211_IFTYPE_ADHOC) + rtlpriv->sec.use_defaultkey = true; + break; + default: + RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG, + ("alg_err:%x!!!!:\n", key->cipher)); + goto out_unlock; + } + /* <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); + 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; + 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; + memcpy(mac_addr, zero_addr, ETH_ALEN); + } 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 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; + break; + case DISABLE_KEY: + RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG, + ("disable key delete one entry\n")); + /*set local buf about wep key. */ + 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(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, + (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); +} + +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, + .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, +}; |