Ejemplo n.º 1
0
static int b43_phy_ht_op_switch_channel(struct b43_wldev *dev,
					unsigned int new_channel)
{
	struct ieee80211_channel *channel = dev->wl->hw->conf.chandef.chan;
	enum nl80211_channel_type channel_type =
		cfg80211_get_chandef_type(&dev->wl->hw->conf.chandef);

	if (b43_current_band(dev->wl) == NL80211_BAND_2GHZ) {
		if ((new_channel < 1) || (new_channel > 14))
			return -EINVAL;
	} else {
		return -EINVAL;
	}

	return b43_phy_ht_set_channel(dev, channel, channel_type);
}
Ejemplo n.º 2
0
Archivo: cfg.c Proyecto: 020gzh/linux
static int orinoco_set_monitor_channel(struct wiphy *wiphy,
				       struct cfg80211_chan_def *chandef)
{
	struct orinoco_private *priv = wiphy_priv(wiphy);
	int err = 0;
	unsigned long flags;
	int channel;

	if (!chandef->chan)
		return -EINVAL;

	if (cfg80211_get_chandef_type(chandef) != NL80211_CHAN_NO_HT)
		return -EINVAL;

	if (chandef->chan->band != IEEE80211_BAND_2GHZ)
		return -EINVAL;

	channel = ieee80211_frequency_to_channel(chandef->chan->center_freq);

	if ((channel < 1) || (channel > NUM_CHANNELS) ||
	     !(priv->channel_mask & (1 << (channel - 1))))
		return -EINVAL;

	if (orinoco_lock(priv, &flags) != 0)
		return -EBUSY;

	priv->channel = channel;
	if (priv->iw_mode == NL80211_IFTYPE_MONITOR) {
		/* Fast channel change - no commit if successful */
		struct hermes *hw = &priv->hw;
		err = hw->ops->cmd_wait(hw, HERMES_CMD_TEST |
					    HERMES_TEST_SET_CHANNEL,
					channel, NULL);
	}
	orinoco_unlock(priv, &flags);

	return err;
}
static int ath9k_htc_config(struct ieee80211_hw *hw, u32 changed)
{
	struct ath9k_htc_priv *priv = hw->priv;
	struct ath_common *common = ath9k_hw_common(priv->ah);
	struct ieee80211_conf *conf = &hw->conf;
	bool chip_reset = false;
	int ret = 0;

	mutex_lock(&priv->mutex);
	ath9k_htc_ps_wakeup(priv);

	if (changed & IEEE80211_CONF_CHANGE_IDLE) {
		mutex_lock(&priv->htc_pm_lock);

		priv->ps_idle = !!(conf->flags & IEEE80211_CONF_IDLE);
		if (!priv->ps_idle)
			chip_reset = true;

		mutex_unlock(&priv->htc_pm_lock);
	}

	/*
	 * Monitor interface should be added before
	 * IEEE80211_CONF_CHANGE_CHANNEL is handled.
	 */
	if (changed & IEEE80211_CONF_CHANGE_MONITOR) {
		if ((conf->flags & IEEE80211_CONF_MONITOR) &&
		    !priv->ah->is_monitoring)
			ath9k_htc_add_monitor_interface(priv);
		else if (priv->ah->is_monitoring)
			ath9k_htc_remove_monitor_interface(priv);
	}

	if ((changed & IEEE80211_CONF_CHANGE_CHANNEL) || chip_reset) {
		struct ieee80211_channel *curchan = hw->conf.chandef.chan;
		enum nl80211_channel_type channel_type =
			cfg80211_get_chandef_type(&hw->conf.chandef);
		int pos = curchan->hw_value;

		ath_dbg(common, CONFIG, "Set channel: %d MHz\n",
			curchan->center_freq);

		ath9k_cmn_update_ichannel(&priv->ah->channels[pos],
					  hw->conf.chandef.chan,
					  channel_type);

		if (ath9k_htc_set_channel(priv, hw, &priv->ah->channels[pos]) < 0) {
			ath_err(common, "Unable to set channel\n");
			ret = -EINVAL;
			goto out;
		}

	}

	if (changed & IEEE80211_CONF_CHANGE_PS) {
		if (conf->flags & IEEE80211_CONF_PS) {
			ath9k_htc_setpower(priv, ATH9K_PM_NETWORK_SLEEP);
			priv->ps_enabled = true;
		} else {
			priv->ps_enabled = false;
			cancel_work_sync(&priv->ps_work);
			ath9k_htc_setpower(priv, ATH9K_PM_AWAKE);
		}
	}

	if (changed & IEEE80211_CONF_CHANGE_POWER) {
		priv->txpowlimit = 2 * conf->power_level;
		ath9k_cmn_update_txpow(priv->ah, priv->curtxpow,
				       priv->txpowlimit, &priv->curtxpow);
	}

out:
	ath9k_htc_ps_restore(priv);
	mutex_unlock(&priv->mutex);
	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;
}
Ejemplo n.º 5
0
/* returns 1 if this was a spectral frame, even if not handled. */
int ath_process_fft(struct ath_softc *sc, struct ieee80211_hdr *hdr,
		    struct ath_rx_status *rs, u64 tsf)
{
	struct ath_hw *ah = sc->sc_ah;
	u8 num_bins, *bins, *vdata = (u8 *)hdr;
	struct fft_sample_ht20 fft_sample_20;
	struct fft_sample_ht20_40 fft_sample_40;
	struct fft_sample_tlv *tlv;
	struct ath_radar_info *radar_info;
	int len = rs->rs_datalen;
	int dc_pos;
	u16 fft_len, length, freq = ah->curchan->chan->center_freq;
	enum nl80211_channel_type chan_type;

	/* AR9280 and before report via ATH9K_PHYERR_RADAR, AR93xx and newer
	 * via ATH9K_PHYERR_SPECTRAL. Haven't seen ATH9K_PHYERR_FALSE_RADAR_EXT
	 * yet, but this is supposed to be possible as well.
	 */
	if (rs->rs_phyerr != ATH9K_PHYERR_RADAR &&
	    rs->rs_phyerr != ATH9K_PHYERR_FALSE_RADAR_EXT &&
	    rs->rs_phyerr != ATH9K_PHYERR_SPECTRAL)
		return 0;

	/* check if spectral scan bit is set. This does not have to be checked
	 * if received through a SPECTRAL phy error, but shouldn't hurt.
	 */
	radar_info = ((struct ath_radar_info *)&vdata[len]) - 1;
	if (!(radar_info->pulse_bw_info & SPECTRAL_SCAN_BITMASK))
		return 0;

	chan_type = cfg80211_get_chandef_type(&sc->hw->conf.chandef);
	if ((chan_type == NL80211_CHAN_HT40MINUS) ||
	    (chan_type == NL80211_CHAN_HT40PLUS)) {
		fft_len = SPECTRAL_HT20_40_TOTAL_DATA_LEN;
		num_bins = SPECTRAL_HT20_40_NUM_BINS;
		bins = (u8 *)fft_sample_40.data;
	} else {
		fft_len = SPECTRAL_HT20_TOTAL_DATA_LEN;
		num_bins = SPECTRAL_HT20_NUM_BINS;
		bins = (u8 *)fft_sample_20.data;
	}

	/* Variation in the data length is possible and will be fixed later */
	if ((len > fft_len + 2) || (len < fft_len - 1))
		return 1;

	switch (len - fft_len) {
	case 0:
		/* length correct, nothing to do. */
		memcpy(bins, vdata, num_bins);
		break;
	case -1:
		/* first byte missing, duplicate it. */
		memcpy(&bins[1], vdata, num_bins - 1);
		bins[0] = vdata[0];
		break;
	case 2:
		/* MAC added 2 extra bytes at bin 30 and 32, remove them. */
		memcpy(bins, vdata, 30);
		bins[30] = vdata[31];
		memcpy(&bins[31], &vdata[33], num_bins - 31);
		break;
	case 1:
		/* MAC added 2 extra bytes AND first byte is missing. */
		bins[0] = vdata[0];
		memcpy(&bins[1], vdata, 30);
		bins[31] = vdata[31];
		memcpy(&bins[32], &vdata[33], num_bins - 32);
		break;
	default:
		return 1;
	}

	/* DC value (value in the middle) is the blind spot of the spectral
	 * sample and invalid, interpolate it.
	 */
	dc_pos = num_bins / 2;
	bins[dc_pos] = (bins[dc_pos + 1] + bins[dc_pos - 1]) / 2;

	if ((chan_type == NL80211_CHAN_HT40MINUS) ||
	    (chan_type == NL80211_CHAN_HT40PLUS)) {
		s8 lower_rssi, upper_rssi;
		s16 ext_nf;
		u8 lower_max_index, upper_max_index;
		u8 lower_bitmap_w, upper_bitmap_w;
		u16 lower_mag, upper_mag;
		struct ath9k_hw_cal_data *caldata = ah->caldata;
		struct ath_ht20_40_mag_info *mag_info;

		if (caldata)
			ext_nf = ath9k_hw_getchan_noise(ah, ah->curchan,
					caldata->nfCalHist[3].privNF);
		else
			ext_nf = ATH_DEFAULT_NOISE_FLOOR;

		length = sizeof(fft_sample_40) - sizeof(struct fft_sample_tlv);
		fft_sample_40.tlv.type = ATH_FFT_SAMPLE_HT20_40;
		fft_sample_40.tlv.length = __cpu_to_be16(length);
		fft_sample_40.freq = __cpu_to_be16(freq);
		fft_sample_40.channel_type = chan_type;

		if (chan_type == NL80211_CHAN_HT40PLUS) {
			lower_rssi = fix_rssi_inv_only(rs->rs_rssi_ctl[0]);
			upper_rssi = fix_rssi_inv_only(rs->rs_rssi_ext[0]);

			fft_sample_40.lower_noise = ah->noise;
			fft_sample_40.upper_noise = ext_nf;
		} else {
			lower_rssi = fix_rssi_inv_only(rs->rs_rssi_ext[0]);
			upper_rssi = fix_rssi_inv_only(rs->rs_rssi_ctl[0]);

			fft_sample_40.lower_noise = ext_nf;
			fft_sample_40.upper_noise = ah->noise;
		}
		fft_sample_40.lower_rssi = lower_rssi;
		fft_sample_40.upper_rssi = upper_rssi;

		mag_info = ((struct ath_ht20_40_mag_info *)radar_info) - 1;
		lower_mag = spectral_max_magnitude(mag_info->lower_bins);
		upper_mag = spectral_max_magnitude(mag_info->upper_bins);
		fft_sample_40.lower_max_magnitude = __cpu_to_be16(lower_mag);
		fft_sample_40.upper_max_magnitude = __cpu_to_be16(upper_mag);
		lower_max_index = spectral_max_index(mag_info->lower_bins);
		upper_max_index = spectral_max_index(mag_info->upper_bins);
		fft_sample_40.lower_max_index = lower_max_index;
		fft_sample_40.upper_max_index = upper_max_index;
		lower_bitmap_w = spectral_bitmap_weight(mag_info->lower_bins);
		upper_bitmap_w = spectral_bitmap_weight(mag_info->upper_bins);
		fft_sample_40.lower_bitmap_weight = lower_bitmap_w;
		fft_sample_40.upper_bitmap_weight = upper_bitmap_w;
		fft_sample_40.max_exp = mag_info->max_exp & 0xf;

		fft_sample_40.tsf = __cpu_to_be64(tsf);

		tlv = (struct fft_sample_tlv *)&fft_sample_40;
	} else {
		u8 max_index, bitmap_w;
		u16 magnitude;
		struct ath_ht20_mag_info *mag_info;

		length = sizeof(fft_sample_20) - sizeof(struct fft_sample_tlv);
		fft_sample_20.tlv.type = ATH_FFT_SAMPLE_HT20;
		fft_sample_20.tlv.length = __cpu_to_be16(length);
		fft_sample_20.freq = __cpu_to_be16(freq);

		fft_sample_20.rssi = fix_rssi_inv_only(rs->rs_rssi_ctl[0]);
		fft_sample_20.noise = ah->noise;

		mag_info = ((struct ath_ht20_mag_info *)radar_info) - 1;
		magnitude = spectral_max_magnitude(mag_info->all_bins);
		fft_sample_20.max_magnitude = __cpu_to_be16(magnitude);
		max_index = spectral_max_index(mag_info->all_bins);
		fft_sample_20.max_index = max_index;
		bitmap_w = spectral_bitmap_weight(mag_info->all_bins);
		fft_sample_20.bitmap_weight = bitmap_w;
		fft_sample_20.max_exp = mag_info->max_exp & 0xf;

		fft_sample_20.tsf = __cpu_to_be64(tsf);

		tlv = (struct fft_sample_tlv *)&fft_sample_20;
	}

	ath_debug_send_fft_sample(sc, tlv);

	return 1;
}
Ejemplo n.º 6
0
static int rtl_op_add_interface(struct ieee80211_hw *hw,
		struct ieee80211_vif *vif)
{
	struct rtl_priv *rtlpriv = rtl_priv(hw);
	struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
	int err = 0;

	if (mac->vif) {
		RT_TRACE(COMP_ERR, DBG_WARNING,
			 ("vif has been set!! mac->vif = 0x%p\n", mac->vif));
		return -EOPNOTSUPP;
	}

/*This flag is not defined before kernel 3.4*/
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,4,0))
	vif->driver_flags |= IEEE80211_VIF_BEACON_FILTER;
#endif

	rtl_ips_nic_on(hw);

	mutex_lock(&rtlpriv->locks.conf_mutex);
/*<delete in kernel start>*/
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,37))
	switch (ieee80211_vif_type_p2p(vif)) {	
	case NL80211_IFTYPE_P2P_CLIENT:
		mac->p2p = P2P_ROLE_CLIENT;
		/*fall through*/
#else
/*<delete in kernel end>*/
	switch (vif->type) {
/*<delete in kernel start>*/	
#endif
/*<delete in kernel end>*/
	case NL80211_IFTYPE_STATION:
		if (mac->beacon_enabled == 1) {
			RT_TRACE(COMP_MAC80211, DBG_LOUD,
				 ("NL80211_IFTYPE_STATION \n"));
			mac->beacon_enabled = 0;
			rtlpriv->cfg->ops->update_interrupt_mask(hw, 0,
					rtlpriv->cfg->maps[RTL_IBSS_INT_MASKS]);
		}
		break;
	case NL80211_IFTYPE_ADHOC:
		RT_TRACE(COMP_MAC80211, DBG_LOUD,
			 ("NL80211_IFTYPE_ADHOC \n"));

		mac->link_state = MAC80211_LINKED;
		rtlpriv->cfg->ops->set_bcn_reg(hw);
		if (rtlpriv->rtlhal.current_bandtype == BAND_ON_2_4G)
			mac->basic_rates = 0xfff;
		else
			mac->basic_rates = 0xff0;
		rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_BASIC_RATE,
				(u8 *) (&mac->basic_rates));

		break;
/*<delete in kernel start>*/
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,37))
	case NL80211_IFTYPE_P2P_GO:
		mac->p2p = P2P_ROLE_GO;
		/*fall through*/
#endif
/*<delete in kernel end>*/
	case NL80211_IFTYPE_AP:
		RT_TRACE(COMP_MAC80211, DBG_LOUD,
			 ("NL80211_IFTYPE_AP \n"));

		mac->link_state = MAC80211_LINKED;
		rtlpriv->cfg->ops->set_bcn_reg(hw);
		if (rtlpriv->rtlhal.current_bandtype == BAND_ON_2_4G)
			mac->basic_rates = 0xfff;
		else
			mac->basic_rates = 0xff0;
		rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_BASIC_RATE,
					      (u8 *) (&mac->basic_rates));
		break;
	case NL80211_IFTYPE_MESH_POINT:
		RT_TRACE(COMP_MAC80211, DBG_LOUD,
			 ("NL80211_IFTYPE_MESH_POINT \n"));
	
		mac->link_state = MAC80211_LINKED;
		rtlpriv->cfg->ops->set_bcn_reg(hw);
		if (rtlpriv->rtlhal.current_bandtype == BAND_ON_2_4G)
			mac->basic_rates = 0xfff;
		else
			mac->basic_rates = 0xff0;
		rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_BASIC_RATE,
				(u8 *) (&mac->basic_rates));
		break;
	default:
		RT_TRACE(COMP_ERR, DBG_EMERG,
			 ("operation mode %d is not support!\n", vif->type));
		err = -EOPNOTSUPP;
		goto out;
	}

#ifdef VIF_TODO
	if (!rtl_set_vif_info(hw, vif))
		goto out;
#endif

	if (mac->p2p) {
		RT_TRACE(COMP_MAC80211, DBG_LOUD,
			 ("p2p role %x \n",vif->type));		
		mac->basic_rates = 0xff0;/*disable cck rate for p2p*/
		rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_BASIC_RATE,
				(u8 *) (&mac->basic_rates));		
	}
	mac->vif = vif;
	mac->opmode = vif->type;
	rtlpriv->cfg->ops->set_network_type(hw, vif->type);
	memcpy(mac->mac_addr, vif->addr, ETH_ALEN);
	rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_ETHER_ADDR, mac->mac_addr);

out:
	mutex_unlock(&rtlpriv->locks.conf_mutex);
	return err;
}

static void rtl_op_remove_interface(struct ieee80211_hw *hw,
		struct ieee80211_vif *vif)
{
	struct rtl_priv *rtlpriv = rtl_priv(hw);
	struct rtl_mac *mac = rtl_mac(rtl_priv(hw));

	mutex_lock(&rtlpriv->locks.conf_mutex);

	/* Free beacon resources */
	if ((vif->type == NL80211_IFTYPE_AP) ||
	    (vif->type == NL80211_IFTYPE_ADHOC) ||
	    (vif->type == NL80211_IFTYPE_MESH_POINT)) {
		if (mac->beacon_enabled == 1) {
			mac->beacon_enabled = 0;
			rtlpriv->cfg->ops->update_interrupt_mask(hw, 0,
					rtlpriv->cfg->maps[RTL_IBSS_INT_MASKS]);
		}
	}

	/*
	 *Note: We assume NL80211_IFTYPE_UNSPECIFIED as
	 *NO LINK for our hardware.
	 */
	mac->p2p = 0; 
	mac->vif = NULL;
	mac->link_state = MAC80211_NOLINK;
	memset(mac->bssid, 0, 6);
	mac->vendor = PEER_UNKNOWN;
	mac->opmode = NL80211_IFTYPE_UNSPECIFIED;
	rtlpriv->cfg->ops->set_network_type(hw, mac->opmode);

	mutex_unlock(&rtlpriv->locks.conf_mutex);
}
/*<delete in kernel start>*/
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,37))
/*<delete in kernel end>*/	
static int rtl_op_change_interface(struct ieee80211_hw *hw,
				   struct ieee80211_vif *vif,
				   enum nl80211_iftype new_type, bool p2p)
{
	struct rtl_priv *rtlpriv = rtl_priv(hw);
	int ret;
	rtl_op_remove_interface(hw, vif);

	vif->type = new_type;
	vif->p2p = p2p;
	ret = rtl_op_add_interface(hw, vif);
	RT_TRACE(COMP_MAC80211, DBG_LOUD,
		 (" p2p  %x\n",p2p));
	return ret;
}
/*<delete in kernel start>*/
#endif
/*<delete in kernel end>*/	
static int rtl_op_config(struct ieee80211_hw *hw, u32 changed)
{
	struct rtl_priv *rtlpriv = rtl_priv(hw);
	struct rtl_phy *rtlphy = &(rtlpriv->phy);
	struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
	struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw));
	struct ieee80211_conf *conf = &hw->conf;
	
	if (mac->skip_scan)
		return 1;
	
	mutex_lock(&rtlpriv->locks.conf_mutex);	
	if (changed & IEEE80211_CONF_CHANGE_LISTEN_INTERVAL) {	/* BIT(2) */
		RT_TRACE(COMP_MAC80211, DBG_LOUD,
			 ("IEEE80211_CONF_CHANGE_LISTEN_INTERVAL\n"));
	}

	/*For IPS */
	if (changed & IEEE80211_CONF_CHANGE_IDLE) {
		if (hw->conf.flags & IEEE80211_CONF_IDLE)
			rtl_ips_nic_off(hw);
		else
			rtl_ips_nic_on(hw);
	} else {
		/*
		 *although rfoff may not cause by ips, but we will
		 *check the reason in set_rf_power_state function
		 */
		if (unlikely(ppsc->rfpwr_state == ERFOFF))
			rtl_ips_nic_on(hw);
	}

	/*For LPS */
	if (changed & IEEE80211_CONF_CHANGE_PS) {
		cancel_delayed_work(&rtlpriv->works.ps_work);
		cancel_delayed_work(&rtlpriv->works.ps_rfon_wq);
		if (conf->flags & IEEE80211_CONF_PS) {
			rtlpriv->psc.sw_ps_enabled = true;
			/* sleep here is must, or we may recv the beacon and
			 * cause mac80211 into wrong ps state, this will cause
			 * power save nullfunc send fail, and further cause
			 * pkt loss, So sleep must quickly but not immediatly
			 * because that will cause nullfunc send by mac80211
			 * fail, and cause pkt loss, we have tested that 5mA
			 * is worked very well */
			if (!rtlpriv->psc.multi_buffered)
				queue_delayed_work(rtlpriv->works.rtl_wq,
						   &rtlpriv->works.ps_work, 
						   MSECS(5));
		} else {
			rtl_swlps_rf_awake(hw);
			rtlpriv->psc.sw_ps_enabled = false;
		}
	}

	if (changed & IEEE80211_CONF_CHANGE_RETRY_LIMITS) {
		RT_TRACE(COMP_MAC80211, DBG_LOUD,
			 ("IEEE80211_CONF_CHANGE_RETRY_LIMITS %x\n",
			  hw->conf.long_frame_max_tx_count));
		mac->retry_long = hw->conf.long_frame_max_tx_count;
		mac->retry_short = hw->conf.long_frame_max_tx_count;
		rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_RETRY_LIMIT,
				(u8 *) (&hw->conf.long_frame_max_tx_count));
	}

	if (changed & IEEE80211_CONF_CHANGE_CHANNEL) {
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,10,0))
		struct ieee80211_channel *channel = hw->conf.chandef.chan;
		enum nl80211_channel_type channel_type = 
				cfg80211_get_chandef_type(&(hw->conf.chandef)); 
#else
		struct ieee80211_channel *channel = hw->conf.channel;
		enum nl80211_channel_type channel_type = hw->conf.channel_type;
#endif
		u8 wide_chan = (u8) channel->hw_value;

		if (mac->act_scanning)
			mac->n_channels++;

		if (rtlpriv->dm.supp_phymode_switch &&
			mac->link_state < MAC80211_LINKED &&
			!mac->act_scanning) {
			if (rtlpriv->cfg->ops->check_switch_to_dmdp)
				rtlpriv->cfg->ops->check_switch_to_dmdp(hw);
		}

		/*
		 *because we should back channel to
		 *current_network.chan in in scanning,
		 *So if set_chan == current_network.chan
		 *we should set it.
		 *because mac80211 tell us wrong bw40
		 *info for cisco1253 bw20, so we modify
		 *it here based on UPPER & LOWER
		 */
		switch (channel_type) {
			case NL80211_CHAN_HT20:
			case NL80211_CHAN_NO_HT:
				/* SC */
				mac->cur_40_prime_sc =
					PRIME_CHNL_OFFSET_DONT_CARE;
				rtlphy->current_chan_bw = HT_CHANNEL_WIDTH_20;
				mac->bw_40 = false;
				break;
			case NL80211_CHAN_HT40MINUS:
				/* SC */
				mac->cur_40_prime_sc = PRIME_CHNL_OFFSET_UPPER;
				rtlphy->current_chan_bw =
					HT_CHANNEL_WIDTH_20_40;
				mac->bw_40 = true;

				/*wide channel */
				wide_chan -= 2;

				break;
			case NL80211_CHAN_HT40PLUS:
				/* SC */
				mac->cur_40_prime_sc = PRIME_CHNL_OFFSET_LOWER;
				rtlphy->current_chan_bw =
					HT_CHANNEL_WIDTH_20_40;
				mac->bw_40 = true;

				/*wide channel */
				wide_chan += 2;

				break;
			default:
				mac->bw_40 = false;
				RT_TRACE(COMP_ERR, DBG_EMERG,
					 ("switch case not processed \n"));
				break;
		}

		if (wide_chan <= 0)
			wide_chan = 1;

		/* in scanning, when before we offchannel we may send a ps=1
		 * null to AP, and then we may send a ps = 0 null to AP quickly,
		 * but first null have cause AP's put lots of packet to hw tx
		 * buffer, these packet must be tx before off channel so we must
		 * delay more time to let AP flush these packets before
		 * offchannel, or dis-association or delete BA will happen by AP
		 */
		if (rtlpriv->mac80211.offchan_deley) {
			rtlpriv->mac80211.offchan_deley = false;
			mdelay(50);
		}

		rtlphy->current_channel = wide_chan;

		rtlpriv->cfg->ops->switch_channel(hw);
		rtlpriv->cfg->ops->set_channel_access(hw);
		rtlpriv->cfg->ops->set_bw_mode(hw,
			channel_type);
	}

	mutex_unlock(&rtlpriv->locks.conf_mutex);

	return 0;
}

static void rtl_op_configure_filter(struct ieee80211_hw *hw,
				    unsigned int changed_flags,
				    unsigned int *new_flags, u64 multicast)
{
	struct rtl_priv *rtlpriv = rtl_priv(hw);
	struct rtl_mac *mac = rtl_mac(rtl_priv(hw));

	*new_flags &= RTL_SUPPORTED_FILTERS;
	if (0 == changed_flags)
		return;

	/*TODO: we disable broadcase now, so enable here */
	if (changed_flags & FIF_ALLMULTI) {
		if (*new_flags & FIF_ALLMULTI) {
			mac->rx_conf |= rtlpriv->cfg->maps[MAC_RCR_AM] |
			    rtlpriv->cfg->maps[MAC_RCR_AB];
			RT_TRACE(COMP_MAC80211, DBG_LOUD,
				 ("Enable receive multicast frame.\n"));
		} else {
			mac->rx_conf &= ~(rtlpriv->cfg->maps[MAC_RCR_AM] |
					  rtlpriv->cfg->maps[MAC_RCR_AB]);
			RT_TRACE(COMP_MAC80211, DBG_LOUD,
				 ("Disable receive multicast frame.\n"));
		}
	}

	if (changed_flags & FIF_FCSFAIL) {
		if (*new_flags & FIF_FCSFAIL) {
			mac->rx_conf |= rtlpriv->cfg->maps[MAC_RCR_ACRC32];
			RT_TRACE(COMP_MAC80211, DBG_LOUD,
				 ("Enable receive FCS error frame.\n"));
		} else {
			mac->rx_conf &= ~rtlpriv->cfg->maps[MAC_RCR_ACRC32];
			RT_TRACE(COMP_MAC80211, DBG_LOUD,
				 ("Disable receive FCS error frame.\n"));
		}
	}

	/* if ssid not set to hw don't check bssid
	 * here just used for linked scanning, & linked
	 * and nolink check bssid is set in set network_type */
	if ((changed_flags & FIF_BCN_PRBRESP_PROMISC) &&
		(mac->link_state >= MAC80211_LINKED)) {
		if (mac->opmode != NL80211_IFTYPE_AP &&
			mac->opmode != NL80211_IFTYPE_MESH_POINT) {
			if (*new_flags & FIF_BCN_PRBRESP_PROMISC) {
				rtlpriv->cfg->ops->set_chk_bssid(hw, false);
			} else {
				rtlpriv->cfg->ops->set_chk_bssid(hw, true);
			}
		}
	}

	if (changed_flags & FIF_CONTROL) {
		if (*new_flags & FIF_CONTROL) {
			mac->rx_conf |= rtlpriv->cfg->maps[MAC_RCR_ACF];

			RT_TRACE(COMP_MAC80211, DBG_LOUD,
				 ("Enable receive control frame.\n"));
		} else {
			mac->rx_conf &= ~rtlpriv->cfg->maps[MAC_RCR_ACF];
			RT_TRACE(COMP_MAC80211, DBG_LOUD,
				 ("Disable receive control frame.\n"));
		}
	}

	if (changed_flags & FIF_OTHER_BSS) {
		if (*new_flags & FIF_OTHER_BSS) {
			mac->rx_conf |= rtlpriv->cfg->maps[MAC_RCR_AAP];
			RT_TRACE(COMP_MAC80211, DBG_LOUD,
				 ("Enable receive other BSS's frame.\n"));
		} else {
			mac->rx_conf &= ~rtlpriv->cfg->maps[MAC_RCR_AAP];
			RT_TRACE(COMP_MAC80211, DBG_LOUD,
				 ("Disable receive other BSS's frame.\n"));
		}
	}
}
static int rtl_op_sta_add(struct ieee80211_hw *hw,
			 struct ieee80211_vif *vif,
			 struct ieee80211_sta *sta)
{
	struct rtl_priv *rtlpriv = rtl_priv(hw);
	struct rtl_hal *rtlhal= rtl_hal(rtl_priv(hw));
	struct rtl_mac *mac = rtl_mac(rtl_priv(hw));	
	struct rtl_sta_info *sta_entry;

	if (sta) {
		sta_entry = (struct rtl_sta_info *) sta->drv_priv;
		spin_lock_bh(&rtlpriv->locks.entry_list_lock);		
		list_add_tail(&sta_entry->list, &rtlpriv->entry_list);
		spin_unlock_bh(&rtlpriv->locks.entry_list_lock);
		if (rtlhal->current_bandtype == BAND_ON_2_4G) {
			sta_entry->wireless_mode = WIRELESS_MODE_G;
			if (sta->supp_rates[0] <= 0xf)
				sta_entry->wireless_mode = WIRELESS_MODE_B;
			if (sta->ht_cap.ht_supported == true)
				sta_entry->wireless_mode = WIRELESS_MODE_N_24G;

			if (vif->type == NL80211_IFTYPE_ADHOC)
				sta_entry->wireless_mode = WIRELESS_MODE_G;
		} else if (rtlhal->current_bandtype == BAND_ON_5G) {
			sta_entry->wireless_mode = WIRELESS_MODE_A;
			if (sta->ht_cap.ht_supported == true)
				sta_entry->wireless_mode = WIRELESS_MODE_N_24G;

			if (vif->type == NL80211_IFTYPE_ADHOC)
				sta_entry->wireless_mode = WIRELESS_MODE_A;
		}
		/*disable cck rate for p2p*/
		if (mac->p2p)
			sta->supp_rates[0] &= 0xfffffff0;
		
		memcpy(sta_entry->mac_addr, sta->addr, ETH_ALEN);
		RT_TRACE(COMP_MAC80211, DBG_DMESG,
			("Add sta addr is %pM\n",sta->addr));
		rtlpriv->cfg->ops->update_rate_tbl(hw, sta, 0);
	}

	return 0;
}

static int rtl_op_sta_remove(struct ieee80211_hw *hw,
				struct ieee80211_vif *vif,
				struct ieee80211_sta *sta)
{
	struct rtl_priv *rtlpriv = rtl_priv(hw);
	struct rtl_sta_info *sta_entry;
	if (sta) {
		RT_TRACE(COMP_MAC80211, DBG_DMESG,
			("Remove sta addr is %pM\n",sta->addr));
		sta_entry = (struct rtl_sta_info *) sta->drv_priv;
		sta_entry->wireless_mode = 0;
		sta_entry->ratr_index = 0;
		spin_lock_bh(&rtlpriv->locks.entry_list_lock);
		list_del(&sta_entry->list);
		spin_unlock_bh(&rtlpriv->locks.entry_list_lock);
	}
	return 0;
}
static int _rtl_get_hal_qnum(u16 queue)
{
	int qnum;

	switch (queue) {
	case 0:
		qnum = AC3_VO;
		break;
	case 1:
		qnum = AC2_VI;
		break;
	case 2:
		qnum = AC0_BE;
		break;
	case 3:
		qnum = AC1_BK;
		break;
	default:
		qnum = AC0_BE;
		break;
	}
	return qnum;
}