--- /dev/null
+/******************************************************************************
+ *
+ * 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,
+};
projects / mv-sheeva.git / blobdiff