コード例 #1
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) {
			/* we should reset all sec info & cam
			 * before set cam after linked, we should not
			 * reset in disassoc, that will cause tkip->wep
			 * fail because some flag will be wrong */
			/* reset sec info */
			rtl_cam_reset_sec_info(hw);
			/* reset cam to fix wep fail issue
			 * when change from wpa to wep */
			rtl_cam_reset_all_entry(hw);

			mac->link_state = MAC80211_LINKED;
			mac->cnt_after_linked = 0;
			mac->assoc_id = bss_conf->aid;
			memcpy(mac->bssid, bss_conf->bssid, 6);

			if (rtlpriv->cfg->ops->linked_set_reg)
				rtlpriv->cfg->ops->linked_set_reg(hw);
			if (mac->opmode == NL80211_IFTYPE_STATION && sta)
				rtlpriv->cfg->ops->update_rate_tbl(hw, sta, 0);
			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);
			mac->vendor = PEER_UNKNOWN;

			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) {
		RT_TRACE(rtlpriv, COMP_MAC80211, DBG_TRACE,
			 ("BSS_CHANGED_HT\n"));
		rcu_read_lock();
		sta = get_sta(hw, vif, (u8 *)bss_conf->bssid);
		if (sta) {
			if (sta->ht_cap.ampdu_density >
			    mac->current_ampdu_density)
				mac->current_ampdu_density =
				    sta->ht_cap.ampdu_density;
			if (sta->ht_cap.ampdu_factor <
			    mac->current_ampdu_factor)
				mac->current_ampdu_factor =
				    sta->ht_cap.ampdu_factor;
		}
		rcu_read_unlock();

		rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_SHORTGI_DENSITY,
					      (u8 *) (&mac->max_mss_density));
		rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_AMPDU_FACTOR,
					      &mac->current_ampdu_factor);
		rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_AMPDU_MIN_SPACE,
					      &mac->current_ampdu_density);
	}

	if (changed & BSS_CHANGED_BSSID) {
		u32 basic_rates;

		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)));

		mac->vendor = PEER_UNKNOWN;
		memcpy(mac->bssid, bss_conf->bssid, 6);
		rtlpriv->cfg->ops->set_network_type(hw, vif->type);

		rcu_read_lock();
		sta = get_sta(hw, vif, (u8 *)bss_conf->bssid);
		if (!sta) {
			rcu_read_unlock();
			goto out;
		}

		if (rtlhal->current_bandtype == BAND_ON_5G) {
			mac->mode = WIRELESS_MODE_A;
		} else {
			if (sta->supp_rates[0] <= 0xf)
				mac->mode = WIRELESS_MODE_B;
			else
				mac->mode = WIRELESS_MODE_G;
		}

		if (sta->ht_cap.ht_supported) {
			if (rtlhal->current_bandtype == BAND_ON_2_4G)
				mac->mode = WIRELESS_MODE_N_24G;
			else
				mac->mode = WIRELESS_MODE_N_5G;
		}

		/* just station need it, because ibss & ap mode will
		 * set in sta_add, and will be NULL here */
		if (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;
				rtlpriv->cfg->ops->set_hw_reg(hw,
						      HW_VAR_H2C_FW_JOINBSSRPT,
						      (u8 *) (&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,
						      (u8 *)(&mstatus));
				ppsc->report_linked = false;
			}
		}
	}

out:
	mutex_unlock(&rtlpriv->locks.conf_mutex);
}
コード例 #2
0
ファイル: hw.c プロジェクト: ericdjobs/rtl8192su
int rtl92su_hw_init(struct ieee80211_hw *hw)
{
	struct rtl_priv *rtlpriv = rtl_priv(hw);
	struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
	struct rtl_phy *rtlphy = &(rtlpriv->phy);
	struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
	int err = 0;
	bool rtstatus = true;
	u8 i;

	int wdcapra_add[] = {
		REG_EDCA_BE_PARAM, REG_EDCA_BK_PARAM,
		REG_EDCA_VI_PARAM, REG_EDCA_VO_PARAM};
	u8 secr_value = 0x0;

	/* 1. MAC Initialize */
	/* Before FW download, we have to set some MAC register */
	err = _rtl92su_macconfig_before_fwdownload(hw);
	if (err) {
		RT_TRACE(rtlpriv, COMP_ERR, DBG_WARNING,
		 "Failed to get the device ready for the firmware (%d)\n",
		err);
		return err;
	}

	rtlhal->version = (enum version_8192s)((rtl_read_dword(rtlpriv,
			REG_PMC_FSM) >> 16) & 0xF);

	/* 2. download firmware */
	rtstatus = rtl92s_download_fw(hw);
	if (!rtstatus) {
		RT_TRACE(rtlpriv, COMP_ERR, DBG_WARNING,
			 "Failed to download FW. Init HW without FW now... Please copy FW into /lib/firmware/rtlwifi\n");
		return -ENOENT;
	}

	/* After FW download, we have to reset MAC register */
	_rtl92su_macconfig_after_fwdownload(hw);

	/*Retrieve default FW Cmd IO map. */
	rtlhal->fwcmd_iomap =	rtl_read_word(rtlpriv, REG_LBUS_MON_ADDR);
	rtlhal->fwcmd_ioparam = rtl_read_dword(rtlpriv, REG_LBUS_ADDR_MASK);

	/* 3. Initialize MAC/PHY Config by MACPHY_reg.txt */
	rtstatus = rtl92s_phy_mac_config(hw);
	if (!rtstatus) {
		RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG, "MAC Config failed\n");
		return -EINVAL;
	}

	/* because last function modify RCR, so we update
	 * rcr var here, or TP will unstable for receive_config
	 * is wrong, RX RCR_ACRC32 will cause TP unstabel & Rx
	 * RCR_APP_ICV will cause mac80211 unassoc for cisco 1252
	 */

	/* Make sure BB/RF write OK. We should prevent enter IPS. radio off. */
	/* We must set flag avoid BB/RF config period later!! */
	rtl_write_word(rtlpriv, CMDR, 0x37FC);

	/* 4. Initialize BB After MAC Config PHY_reg.txt, AGC_Tab.txt */
	rtstatus = rtl92s_phy_bb_config(hw);
	if (!rtstatus) {
		RT_TRACE(rtlpriv, COMP_INIT, DBG_EMERG, "BB Config failed\n");
		return -ENODEV;
	}

	/* 5. Initiailze RF RAIO_A.txt RF RAIO_B.txt */
	/* Before initalizing RF. We can not use FW to do RF-R/W. */
	rtlphy->rf_mode = RF_OP_BY_SW_3WIRE;

	/* Before RF-R/W we must execute the IO from Scott's suggestion. */
	rtl_write_byte(rtlpriv, REG_AFE_XTAL_CTRL + 1, 0xDB);
	if (rtlhal->version == VERSION_8192S_ACUT)
		rtl_write_byte(rtlpriv, REG_SPS1_CTRL + 3, 0x07);
	else
		rtl_write_byte(rtlpriv, REG_RF_CTRL, 0x07);

	rtstatus = rtl92s_phy_rf_config(hw);
	if (!rtstatus) {
		RT_TRACE(rtlpriv, COMP_INIT, DBG_DMESG, "RF Config failed\n");
		return -EOPNOTSUPP;
	}

	/* After read predefined TXT, we must set BB/MAC/RF
	 * register as our requirement */
	rtlphy->rfreg_chnlval[0] = rtl92s_phy_query_rf_reg(hw,
							   (enum radio_path)0,
							   RF_CHNLBW,
							   RFREG_OFFSET_MASK);
	rtlphy->rfreg_chnlval[1] = rtl92s_phy_query_rf_reg(hw,
							   (enum radio_path)1,
							   RF_CHNLBW,
							   RFREG_OFFSET_MASK);

	/*---- Set CCK and OFDM Block "ON"----*/
	rtl_set_bbreg(hw, REG_RFPGA0_RFMOD, BCCKEN, 0x1);
	rtl_set_bbreg(hw, REG_RFPGA0_RFMOD, BOFDMEN, 0x1);

	/*3 Set Hardware(Do nothing now) */
	_rtl92su_hw_configure(hw);

	/* Read EEPROM TX power index and PHY_REG_PG.txt to capture correct */
	/* TX power index for different rate set. */
	/* Get original hw reg values */
	rtl92s_phy_get_hw_reg_originalvalue(hw);
	/* Write correct tx power index */
	rtl92s_phy_set_txpower(hw, rtlphy->current_channel);

	/* We must set MAC address after firmware download. */
	for (i = 0; i < 6; i++)
		rtl_write_byte(rtlpriv, MACIDR0 + i, rtlefuse->dev_addr[i]);

	/* We enable high power and RA related mechanism after NIC
	 * initialized. */
	if (hal_get_firmwareversion(rtlpriv) >= 0x35) {
		/* Fw v.53 and later. */
		rtl92s_phy_set_fw_cmd(hw, FW_CMD_RA_INIT);
	} else if (hal_get_firmwareversion(rtlpriv) == 0x34) {
		/* Fw v.52. */
		rtl_write_dword(rtlpriv, REG_WFM5, FW_RA_INIT);
		rtl92s_phy_chk_fwcmd_iodone(hw);
	} else {
		/* Compatible earlier FW version. */
		rtl_write_dword(rtlpriv, REG_WFM5, FW_RA_RESET);
		rtl92s_phy_chk_fwcmd_iodone(hw);
		rtl_write_dword(rtlpriv, REG_WFM5, FW_RA_ACTIVE);
		rtl92s_phy_chk_fwcmd_iodone(hw);
		rtl_write_dword(rtlpriv, REG_WFM5, FW_RA_REFRESH);
		rtl92s_phy_chk_fwcmd_iodone(hw);
	}

	/* Security related
	 * 1. Clear all H/W keys.
	 * 2. Enable H/W encryption/decryption. */
	rtl_cam_reset_all_entry(hw);
	secr_value |= SCR_TXENCENABLE;
	secr_value |= SCR_RXENCENABLE;
	secr_value |= SCR_NOSKMC;
	rtl_write_byte(rtlpriv, REG_SECR, secr_value);

	for (i = 0; i < 4; i++)
		rtl_write_dword(rtlpriv, wdcapra_add[i], 0x5e4322);

	if (rtlphy->rf_type == RF_1T2R) {
		bool mrc2set = true;
		/* Turn on B-Path */
		rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_MRC, (u8 *)&mrc2set);
	}

	rtlpriv->cfg->ops->led_control(hw, LED_CTL_POWER_ON);
	rtl92s_dm_init(hw);
	return err;
}