1276 lines
37 KiB
C
1276 lines
37 KiB
C
/******************************************************************************
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*
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* GPL LICENSE SUMMARY
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*
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* Copyright(c) 2008 - 2012 Intel Corporation. All rights reserved.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of version 2 of the GNU General Public License as
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* published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110,
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* USA
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*
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* The full GNU General Public License is included in this distribution
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* in the file called LICENSE.GPL.
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*
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* Contact Information:
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* Intel Linux Wireless <ilw@linux.intel.com>
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* Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
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*
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*****************************************************************************/
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#include <linux/etherdevice.h>
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#include <linux/kernel.h>
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#include <linux/module.h>
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#include <linux/init.h>
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#include <linux/sched.h>
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#include "iwl-dev.h"
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#include "iwl-io.h"
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#include "iwl-agn-hw.h"
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#include "iwl-agn.h"
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#include "iwl-trans.h"
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int iwlagn_hw_valid_rtc_data_addr(u32 addr)
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{
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return (addr >= IWLAGN_RTC_DATA_LOWER_BOUND) &&
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(addr < IWLAGN_RTC_DATA_UPPER_BOUND);
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}
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int iwlagn_send_tx_power(struct iwl_priv *priv)
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{
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struct iwlagn_tx_power_dbm_cmd tx_power_cmd;
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u8 tx_ant_cfg_cmd;
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if (WARN_ONCE(test_bit(STATUS_SCAN_HW, &priv->status),
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"TX Power requested while scanning!\n"))
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return -EAGAIN;
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/* half dBm need to multiply */
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tx_power_cmd.global_lmt = (s8)(2 * priv->tx_power_user_lmt);
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if (priv->tx_power_lmt_in_half_dbm &&
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priv->tx_power_lmt_in_half_dbm < tx_power_cmd.global_lmt) {
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/*
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* For the newer devices which using enhanced/extend tx power
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* table in EEPROM, the format is in half dBm. driver need to
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* convert to dBm format before report to mac80211.
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* By doing so, there is a possibility of 1/2 dBm resolution
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* lost. driver will perform "round-up" operation before
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* reporting, but it will cause 1/2 dBm tx power over the
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* regulatory limit. Perform the checking here, if the
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* "tx_power_user_lmt" is higher than EEPROM value (in
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* half-dBm format), lower the tx power based on EEPROM
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*/
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tx_power_cmd.global_lmt = priv->tx_power_lmt_in_half_dbm;
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}
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tx_power_cmd.flags = IWLAGN_TX_POWER_NO_CLOSED;
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tx_power_cmd.srv_chan_lmt = IWLAGN_TX_POWER_AUTO;
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if (IWL_UCODE_API(priv->fw->ucode_ver) == 1)
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tx_ant_cfg_cmd = REPLY_TX_POWER_DBM_CMD_V1;
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else
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tx_ant_cfg_cmd = REPLY_TX_POWER_DBM_CMD;
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return iwl_dvm_send_cmd_pdu(priv, tx_ant_cfg_cmd, CMD_SYNC,
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sizeof(tx_power_cmd), &tx_power_cmd);
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}
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void iwlagn_temperature(struct iwl_priv *priv)
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{
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lockdep_assert_held(&priv->statistics.lock);
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/* store temperature from correct statistics (in Celsius) */
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priv->temperature = le32_to_cpu(priv->statistics.common.temperature);
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iwl_tt_handler(priv);
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}
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struct iwl_mod_params iwlagn_mod_params = {
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.amsdu_size_8K = 1,
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.restart_fw = 1,
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.plcp_check = true,
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.bt_coex_active = true,
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.power_level = IWL_POWER_INDEX_1,
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.bt_ch_announce = true,
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.auto_agg = true,
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/* the rest are 0 by default */
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};
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int iwlagn_hwrate_to_mac80211_idx(u32 rate_n_flags, enum ieee80211_band band)
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{
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int idx = 0;
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int band_offset = 0;
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/* HT rate format: mac80211 wants an MCS number, which is just LSB */
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if (rate_n_flags & RATE_MCS_HT_MSK) {
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idx = (rate_n_flags & 0xff);
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return idx;
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/* Legacy rate format, search for match in table */
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} else {
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if (band == IEEE80211_BAND_5GHZ)
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band_offset = IWL_FIRST_OFDM_RATE;
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for (idx = band_offset; idx < IWL_RATE_COUNT_LEGACY; idx++)
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if (iwl_rates[idx].plcp == (rate_n_flags & 0xFF))
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return idx - band_offset;
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}
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return -1;
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}
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int iwlagn_manage_ibss_station(struct iwl_priv *priv,
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struct ieee80211_vif *vif, bool add)
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{
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struct iwl_vif_priv *vif_priv = (void *)vif->drv_priv;
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if (add)
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return iwlagn_add_bssid_station(priv, vif_priv->ctx,
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vif->bss_conf.bssid,
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&vif_priv->ibss_bssid_sta_id);
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return iwl_remove_station(priv, vif_priv->ibss_bssid_sta_id,
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vif->bss_conf.bssid);
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}
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/**
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* iwlagn_txfifo_flush: send REPLY_TXFIFO_FLUSH command to uCode
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*
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* pre-requirements:
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* 1. acquire mutex before calling
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* 2. make sure rf is on and not in exit state
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*/
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int iwlagn_txfifo_flush(struct iwl_priv *priv, u16 flush_control)
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{
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struct iwl_txfifo_flush_cmd flush_cmd;
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struct iwl_host_cmd cmd = {
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.id = REPLY_TXFIFO_FLUSH,
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.len = { sizeof(struct iwl_txfifo_flush_cmd), },
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.flags = CMD_SYNC,
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.data = { &flush_cmd, },
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};
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might_sleep();
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memset(&flush_cmd, 0, sizeof(flush_cmd));
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if (flush_control & BIT(IWL_RXON_CTX_BSS))
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flush_cmd.fifo_control = IWL_SCD_VO_MSK | IWL_SCD_VI_MSK |
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IWL_SCD_BE_MSK | IWL_SCD_BK_MSK |
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IWL_SCD_MGMT_MSK;
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if ((flush_control & BIT(IWL_RXON_CTX_PAN)) &&
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(priv->valid_contexts != BIT(IWL_RXON_CTX_BSS)))
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flush_cmd.fifo_control |= IWL_PAN_SCD_VO_MSK |
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IWL_PAN_SCD_VI_MSK | IWL_PAN_SCD_BE_MSK |
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IWL_PAN_SCD_BK_MSK | IWL_PAN_SCD_MGMT_MSK |
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IWL_PAN_SCD_MULTICAST_MSK;
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if (priv->hw_params.sku & EEPROM_SKU_CAP_11N_ENABLE)
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flush_cmd.fifo_control |= IWL_AGG_TX_QUEUE_MSK;
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IWL_DEBUG_INFO(priv, "fifo queue control: 0X%x\n",
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flush_cmd.fifo_control);
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flush_cmd.flush_control = cpu_to_le16(flush_control);
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return iwl_dvm_send_cmd(priv, &cmd);
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}
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void iwlagn_dev_txfifo_flush(struct iwl_priv *priv, u16 flush_control)
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{
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mutex_lock(&priv->mutex);
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ieee80211_stop_queues(priv->hw);
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if (iwlagn_txfifo_flush(priv, IWL_DROP_ALL)) {
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IWL_ERR(priv, "flush request fail\n");
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goto done;
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}
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IWL_DEBUG_INFO(priv, "wait transmit/flush all frames\n");
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iwl_trans_wait_tx_queue_empty(priv->trans);
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done:
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ieee80211_wake_queues(priv->hw);
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mutex_unlock(&priv->mutex);
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}
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/*
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* BT coex
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*/
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/*
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* Macros to access the lookup table.
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*
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* The lookup table has 7 inputs: bt3_prio, bt3_txrx, bt_rf_act, wifi_req,
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* wifi_prio, wifi_txrx and wifi_sh_ant_req.
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*
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* It has three outputs: WLAN_ACTIVE, WLAN_KILL and ANT_SWITCH
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*
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* The format is that "registers" 8 through 11 contain the WLAN_ACTIVE bits
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* one after another in 32-bit registers, and "registers" 0 through 7 contain
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* the WLAN_KILL and ANT_SWITCH bits interleaved (in that order).
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*
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* These macros encode that format.
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*/
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#define LUT_VALUE(bt3_prio, bt3_txrx, bt_rf_act, wifi_req, wifi_prio, \
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wifi_txrx, wifi_sh_ant_req) \
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(bt3_prio | (bt3_txrx << 1) | (bt_rf_act << 2) | (wifi_req << 3) | \
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(wifi_prio << 4) | (wifi_txrx << 5) | (wifi_sh_ant_req << 6))
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#define LUT_PTA_WLAN_ACTIVE_OP(lut, op, val) \
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lut[8 + ((val) >> 5)] op (cpu_to_le32(BIT((val) & 0x1f)))
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#define LUT_TEST_PTA_WLAN_ACTIVE(lut, bt3_prio, bt3_txrx, bt_rf_act, wifi_req, \
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wifi_prio, wifi_txrx, wifi_sh_ant_req) \
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(!!(LUT_PTA_WLAN_ACTIVE_OP(lut, &, LUT_VALUE(bt3_prio, bt3_txrx, \
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bt_rf_act, wifi_req, wifi_prio, wifi_txrx, \
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wifi_sh_ant_req))))
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#define LUT_SET_PTA_WLAN_ACTIVE(lut, bt3_prio, bt3_txrx, bt_rf_act, wifi_req, \
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wifi_prio, wifi_txrx, wifi_sh_ant_req) \
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LUT_PTA_WLAN_ACTIVE_OP(lut, |=, LUT_VALUE(bt3_prio, bt3_txrx, \
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bt_rf_act, wifi_req, wifi_prio, wifi_txrx, \
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wifi_sh_ant_req))
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#define LUT_CLEAR_PTA_WLAN_ACTIVE(lut, bt3_prio, bt3_txrx, bt_rf_act, \
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wifi_req, wifi_prio, wifi_txrx, \
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wifi_sh_ant_req) \
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LUT_PTA_WLAN_ACTIVE_OP(lut, &= ~, LUT_VALUE(bt3_prio, bt3_txrx, \
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bt_rf_act, wifi_req, wifi_prio, wifi_txrx, \
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wifi_sh_ant_req))
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#define LUT_WLAN_KILL_OP(lut, op, val) \
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lut[(val) >> 4] op (cpu_to_le32(BIT(((val) << 1) & 0x1e)))
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#define LUT_TEST_WLAN_KILL(lut, bt3_prio, bt3_txrx, bt_rf_act, wifi_req, \
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wifi_prio, wifi_txrx, wifi_sh_ant_req) \
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(!!(LUT_WLAN_KILL_OP(lut, &, LUT_VALUE(bt3_prio, bt3_txrx, bt_rf_act, \
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wifi_req, wifi_prio, wifi_txrx, wifi_sh_ant_req))))
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#define LUT_SET_WLAN_KILL(lut, bt3_prio, bt3_txrx, bt_rf_act, wifi_req, \
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wifi_prio, wifi_txrx, wifi_sh_ant_req) \
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LUT_WLAN_KILL_OP(lut, |=, LUT_VALUE(bt3_prio, bt3_txrx, bt_rf_act, \
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wifi_req, wifi_prio, wifi_txrx, wifi_sh_ant_req))
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#define LUT_CLEAR_WLAN_KILL(lut, bt3_prio, bt3_txrx, bt_rf_act, wifi_req, \
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wifi_prio, wifi_txrx, wifi_sh_ant_req) \
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LUT_WLAN_KILL_OP(lut, &= ~, LUT_VALUE(bt3_prio, bt3_txrx, bt_rf_act, \
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wifi_req, wifi_prio, wifi_txrx, wifi_sh_ant_req))
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#define LUT_ANT_SWITCH_OP(lut, op, val) \
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lut[(val) >> 4] op (cpu_to_le32(BIT((((val) << 1) & 0x1e) + 1)))
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#define LUT_TEST_ANT_SWITCH(lut, bt3_prio, bt3_txrx, bt_rf_act, wifi_req, \
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wifi_prio, wifi_txrx, wifi_sh_ant_req) \
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(!!(LUT_ANT_SWITCH_OP(lut, &, LUT_VALUE(bt3_prio, bt3_txrx, bt_rf_act, \
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wifi_req, wifi_prio, wifi_txrx, \
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wifi_sh_ant_req))))
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#define LUT_SET_ANT_SWITCH(lut, bt3_prio, bt3_txrx, bt_rf_act, wifi_req, \
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wifi_prio, wifi_txrx, wifi_sh_ant_req) \
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LUT_ANT_SWITCH_OP(lut, |=, LUT_VALUE(bt3_prio, bt3_txrx, bt_rf_act, \
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wifi_req, wifi_prio, wifi_txrx, wifi_sh_ant_req))
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#define LUT_CLEAR_ANT_SWITCH(lut, bt3_prio, bt3_txrx, bt_rf_act, wifi_req, \
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wifi_prio, wifi_txrx, wifi_sh_ant_req) \
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LUT_ANT_SWITCH_OP(lut, &= ~, LUT_VALUE(bt3_prio, bt3_txrx, bt_rf_act, \
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wifi_req, wifi_prio, wifi_txrx, wifi_sh_ant_req))
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static const __le32 iwlagn_def_3w_lookup[12] = {
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cpu_to_le32(0xaaaaaaaa),
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cpu_to_le32(0xaaaaaaaa),
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cpu_to_le32(0xaeaaaaaa),
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cpu_to_le32(0xaaaaaaaa),
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cpu_to_le32(0xcc00ff28),
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cpu_to_le32(0x0000aaaa),
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cpu_to_le32(0xcc00aaaa),
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cpu_to_le32(0x0000aaaa),
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cpu_to_le32(0xc0004000),
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cpu_to_le32(0x00004000),
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cpu_to_le32(0xf0005000),
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cpu_to_le32(0xf0005000),
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};
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static const __le32 iwlagn_concurrent_lookup[12] = {
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cpu_to_le32(0xaaaaaaaa),
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cpu_to_le32(0xaaaaaaaa),
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cpu_to_le32(0xaaaaaaaa),
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cpu_to_le32(0xaaaaaaaa),
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cpu_to_le32(0xaaaaaaaa),
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cpu_to_le32(0xaaaaaaaa),
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cpu_to_le32(0xaaaaaaaa),
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cpu_to_le32(0xaaaaaaaa),
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cpu_to_le32(0x00000000),
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cpu_to_le32(0x00000000),
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cpu_to_le32(0x00000000),
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cpu_to_le32(0x00000000),
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};
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void iwlagn_send_advance_bt_config(struct iwl_priv *priv)
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{
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struct iwl_basic_bt_cmd basic = {
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.max_kill = IWLAGN_BT_MAX_KILL_DEFAULT,
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.bt3_timer_t7_value = IWLAGN_BT3_T7_DEFAULT,
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.bt3_prio_sample_time = IWLAGN_BT3_PRIO_SAMPLE_DEFAULT,
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.bt3_timer_t2_value = IWLAGN_BT3_T2_DEFAULT,
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};
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struct iwl_bt_cmd_v1 bt_cmd_v1;
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struct iwl_bt_cmd_v2 bt_cmd_v2;
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int ret;
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BUILD_BUG_ON(sizeof(iwlagn_def_3w_lookup) !=
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sizeof(basic.bt3_lookup_table));
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if (priv->cfg->bt_params) {
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/*
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* newer generation of devices (2000 series and newer)
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* use the version 2 of the bt command
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* we need to make sure sending the host command
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* with correct data structure to avoid uCode assert
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*/
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if (priv->cfg->bt_params->bt_session_2) {
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bt_cmd_v2.prio_boost = cpu_to_le32(
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priv->cfg->bt_params->bt_prio_boost);
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bt_cmd_v2.tx_prio_boost = 0;
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bt_cmd_v2.rx_prio_boost = 0;
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} else {
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bt_cmd_v1.prio_boost =
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priv->cfg->bt_params->bt_prio_boost;
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bt_cmd_v1.tx_prio_boost = 0;
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bt_cmd_v1.rx_prio_boost = 0;
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}
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} else {
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IWL_ERR(priv, "failed to construct BT Coex Config\n");
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return;
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}
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basic.kill_ack_mask = priv->kill_ack_mask;
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basic.kill_cts_mask = priv->kill_cts_mask;
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basic.valid = priv->bt_valid;
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/*
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* Configure BT coex mode to "no coexistence" when the
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* user disabled BT coexistence, we have no interface
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* (might be in monitor mode), or the interface is in
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* IBSS mode (no proper uCode support for coex then).
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*/
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if (!iwlagn_mod_params.bt_coex_active ||
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priv->iw_mode == NL80211_IFTYPE_ADHOC) {
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basic.flags = IWLAGN_BT_FLAG_COEX_MODE_DISABLED;
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} else {
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basic.flags = IWLAGN_BT_FLAG_COEX_MODE_3W <<
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IWLAGN_BT_FLAG_COEX_MODE_SHIFT;
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if (!priv->bt_enable_pspoll)
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basic.flags |= IWLAGN_BT_FLAG_SYNC_2_BT_DISABLE;
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else
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basic.flags &= ~IWLAGN_BT_FLAG_SYNC_2_BT_DISABLE;
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if (priv->bt_ch_announce)
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basic.flags |= IWLAGN_BT_FLAG_CHANNEL_INHIBITION;
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IWL_DEBUG_COEX(priv, "BT coex flag: 0X%x\n", basic.flags);
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}
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priv->bt_enable_flag = basic.flags;
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if (priv->bt_full_concurrent)
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memcpy(basic.bt3_lookup_table, iwlagn_concurrent_lookup,
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sizeof(iwlagn_concurrent_lookup));
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else
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memcpy(basic.bt3_lookup_table, iwlagn_def_3w_lookup,
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sizeof(iwlagn_def_3w_lookup));
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IWL_DEBUG_COEX(priv, "BT coex %s in %s mode\n",
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basic.flags ? "active" : "disabled",
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priv->bt_full_concurrent ?
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"full concurrency" : "3-wire");
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if (priv->cfg->bt_params->bt_session_2) {
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memcpy(&bt_cmd_v2.basic, &basic,
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sizeof(basic));
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ret = iwl_dvm_send_cmd_pdu(priv, REPLY_BT_CONFIG,
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CMD_SYNC, sizeof(bt_cmd_v2), &bt_cmd_v2);
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} else {
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memcpy(&bt_cmd_v1.basic, &basic,
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sizeof(basic));
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ret = iwl_dvm_send_cmd_pdu(priv, REPLY_BT_CONFIG,
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CMD_SYNC, sizeof(bt_cmd_v1), &bt_cmd_v1);
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}
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if (ret)
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IWL_ERR(priv, "failed to send BT Coex Config\n");
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}
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void iwlagn_bt_adjust_rssi_monitor(struct iwl_priv *priv, bool rssi_ena)
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{
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struct iwl_rxon_context *ctx, *found_ctx = NULL;
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bool found_ap = false;
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lockdep_assert_held(&priv->mutex);
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/* Check whether AP or GO mode is active. */
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|
if (rssi_ena) {
|
|
for_each_context(priv, ctx) {
|
|
if (ctx->vif && ctx->vif->type == NL80211_IFTYPE_AP &&
|
|
iwl_is_associated_ctx(ctx)) {
|
|
found_ap = true;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
/*
|
|
* If disable was received or If GO/AP mode, disable RSSI
|
|
* measurements.
|
|
*/
|
|
if (!rssi_ena || found_ap) {
|
|
if (priv->cur_rssi_ctx) {
|
|
ctx = priv->cur_rssi_ctx;
|
|
ieee80211_disable_rssi_reports(ctx->vif);
|
|
priv->cur_rssi_ctx = NULL;
|
|
}
|
|
return;
|
|
}
|
|
|
|
/*
|
|
* If rssi measurements need to be enabled, consider all cases now.
|
|
* Figure out how many contexts are active.
|
|
*/
|
|
for_each_context(priv, ctx) {
|
|
if (ctx->vif && ctx->vif->type == NL80211_IFTYPE_STATION &&
|
|
iwl_is_associated_ctx(ctx)) {
|
|
found_ctx = ctx;
|
|
break;
|
|
}
|
|
}
|
|
|
|
/*
|
|
* rssi monitor already enabled for the correct interface...nothing
|
|
* to do.
|
|
*/
|
|
if (found_ctx == priv->cur_rssi_ctx)
|
|
return;
|
|
|
|
/*
|
|
* Figure out if rssi monitor is currently enabled, and needs
|
|
* to be changed. If rssi monitor is already enabled, disable
|
|
* it first else just enable rssi measurements on the
|
|
* interface found above.
|
|
*/
|
|
if (priv->cur_rssi_ctx) {
|
|
ctx = priv->cur_rssi_ctx;
|
|
if (ctx->vif)
|
|
ieee80211_disable_rssi_reports(ctx->vif);
|
|
}
|
|
|
|
priv->cur_rssi_ctx = found_ctx;
|
|
|
|
if (!found_ctx)
|
|
return;
|
|
|
|
ieee80211_enable_rssi_reports(found_ctx->vif,
|
|
IWLAGN_BT_PSP_MIN_RSSI_THRESHOLD,
|
|
IWLAGN_BT_PSP_MAX_RSSI_THRESHOLD);
|
|
}
|
|
|
|
static bool iwlagn_bt_traffic_is_sco(struct iwl_bt_uart_msg *uart_msg)
|
|
{
|
|
return BT_UART_MSG_FRAME3SCOESCO_MSK & uart_msg->frame3 >>
|
|
BT_UART_MSG_FRAME3SCOESCO_POS;
|
|
}
|
|
|
|
static void iwlagn_bt_traffic_change_work(struct work_struct *work)
|
|
{
|
|
struct iwl_priv *priv =
|
|
container_of(work, struct iwl_priv, bt_traffic_change_work);
|
|
struct iwl_rxon_context *ctx;
|
|
int smps_request = -1;
|
|
|
|
if (priv->bt_enable_flag == IWLAGN_BT_FLAG_COEX_MODE_DISABLED) {
|
|
/* bt coex disabled */
|
|
return;
|
|
}
|
|
|
|
/*
|
|
* Note: bt_traffic_load can be overridden by scan complete and
|
|
* coex profile notifications. Ignore that since only bad consequence
|
|
* can be not matching debug print with actual state.
|
|
*/
|
|
IWL_DEBUG_COEX(priv, "BT traffic load changes: %d\n",
|
|
priv->bt_traffic_load);
|
|
|
|
switch (priv->bt_traffic_load) {
|
|
case IWL_BT_COEX_TRAFFIC_LOAD_NONE:
|
|
if (priv->bt_status)
|
|
smps_request = IEEE80211_SMPS_DYNAMIC;
|
|
else
|
|
smps_request = IEEE80211_SMPS_AUTOMATIC;
|
|
break;
|
|
case IWL_BT_COEX_TRAFFIC_LOAD_LOW:
|
|
smps_request = IEEE80211_SMPS_DYNAMIC;
|
|
break;
|
|
case IWL_BT_COEX_TRAFFIC_LOAD_HIGH:
|
|
case IWL_BT_COEX_TRAFFIC_LOAD_CONTINUOUS:
|
|
smps_request = IEEE80211_SMPS_STATIC;
|
|
break;
|
|
default:
|
|
IWL_ERR(priv, "Invalid BT traffic load: %d\n",
|
|
priv->bt_traffic_load);
|
|
break;
|
|
}
|
|
|
|
mutex_lock(&priv->mutex);
|
|
|
|
/*
|
|
* We can not send command to firmware while scanning. When the scan
|
|
* complete we will schedule this work again. We do check with mutex
|
|
* locked to prevent new scan request to arrive. We do not check
|
|
* STATUS_SCANNING to avoid race when queue_work two times from
|
|
* different notifications, but quit and not perform any work at all.
|
|
*/
|
|
if (test_bit(STATUS_SCAN_HW, &priv->status))
|
|
goto out;
|
|
|
|
iwl_update_chain_flags(priv);
|
|
|
|
if (smps_request != -1) {
|
|
priv->current_ht_config.smps = smps_request;
|
|
for_each_context(priv, ctx) {
|
|
if (ctx->vif && ctx->vif->type == NL80211_IFTYPE_STATION)
|
|
ieee80211_request_smps(ctx->vif, smps_request);
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Dynamic PS poll related functionality. Adjust RSSI measurements if
|
|
* necessary.
|
|
*/
|
|
iwlagn_bt_coex_rssi_monitor(priv);
|
|
out:
|
|
mutex_unlock(&priv->mutex);
|
|
}
|
|
|
|
/*
|
|
* If BT sco traffic, and RSSI monitor is enabled, move measurements to the
|
|
* correct interface or disable it if this is the last interface to be
|
|
* removed.
|
|
*/
|
|
void iwlagn_bt_coex_rssi_monitor(struct iwl_priv *priv)
|
|
{
|
|
if (priv->bt_is_sco &&
|
|
priv->bt_traffic_load == IWL_BT_COEX_TRAFFIC_LOAD_CONTINUOUS)
|
|
iwlagn_bt_adjust_rssi_monitor(priv, true);
|
|
else
|
|
iwlagn_bt_adjust_rssi_monitor(priv, false);
|
|
}
|
|
|
|
static void iwlagn_print_uartmsg(struct iwl_priv *priv,
|
|
struct iwl_bt_uart_msg *uart_msg)
|
|
{
|
|
IWL_DEBUG_COEX(priv, "Message Type = 0x%X, SSN = 0x%X, "
|
|
"Update Req = 0x%X\n",
|
|
(BT_UART_MSG_FRAME1MSGTYPE_MSK & uart_msg->frame1) >>
|
|
BT_UART_MSG_FRAME1MSGTYPE_POS,
|
|
(BT_UART_MSG_FRAME1SSN_MSK & uart_msg->frame1) >>
|
|
BT_UART_MSG_FRAME1SSN_POS,
|
|
(BT_UART_MSG_FRAME1UPDATEREQ_MSK & uart_msg->frame1) >>
|
|
BT_UART_MSG_FRAME1UPDATEREQ_POS);
|
|
|
|
IWL_DEBUG_COEX(priv, "Open connections = 0x%X, Traffic load = 0x%X, "
|
|
"Chl_SeqN = 0x%X, In band = 0x%X\n",
|
|
(BT_UART_MSG_FRAME2OPENCONNECTIONS_MSK & uart_msg->frame2) >>
|
|
BT_UART_MSG_FRAME2OPENCONNECTIONS_POS,
|
|
(BT_UART_MSG_FRAME2TRAFFICLOAD_MSK & uart_msg->frame2) >>
|
|
BT_UART_MSG_FRAME2TRAFFICLOAD_POS,
|
|
(BT_UART_MSG_FRAME2CHLSEQN_MSK & uart_msg->frame2) >>
|
|
BT_UART_MSG_FRAME2CHLSEQN_POS,
|
|
(BT_UART_MSG_FRAME2INBAND_MSK & uart_msg->frame2) >>
|
|
BT_UART_MSG_FRAME2INBAND_POS);
|
|
|
|
IWL_DEBUG_COEX(priv, "SCO/eSCO = 0x%X, Sniff = 0x%X, A2DP = 0x%X, "
|
|
"ACL = 0x%X, Master = 0x%X, OBEX = 0x%X\n",
|
|
(BT_UART_MSG_FRAME3SCOESCO_MSK & uart_msg->frame3) >>
|
|
BT_UART_MSG_FRAME3SCOESCO_POS,
|
|
(BT_UART_MSG_FRAME3SNIFF_MSK & uart_msg->frame3) >>
|
|
BT_UART_MSG_FRAME3SNIFF_POS,
|
|
(BT_UART_MSG_FRAME3A2DP_MSK & uart_msg->frame3) >>
|
|
BT_UART_MSG_FRAME3A2DP_POS,
|
|
(BT_UART_MSG_FRAME3ACL_MSK & uart_msg->frame3) >>
|
|
BT_UART_MSG_FRAME3ACL_POS,
|
|
(BT_UART_MSG_FRAME3MASTER_MSK & uart_msg->frame3) >>
|
|
BT_UART_MSG_FRAME3MASTER_POS,
|
|
(BT_UART_MSG_FRAME3OBEX_MSK & uart_msg->frame3) >>
|
|
BT_UART_MSG_FRAME3OBEX_POS);
|
|
|
|
IWL_DEBUG_COEX(priv, "Idle duration = 0x%X\n",
|
|
(BT_UART_MSG_FRAME4IDLEDURATION_MSK & uart_msg->frame4) >>
|
|
BT_UART_MSG_FRAME4IDLEDURATION_POS);
|
|
|
|
IWL_DEBUG_COEX(priv, "Tx Activity = 0x%X, Rx Activity = 0x%X, "
|
|
"eSCO Retransmissions = 0x%X\n",
|
|
(BT_UART_MSG_FRAME5TXACTIVITY_MSK & uart_msg->frame5) >>
|
|
BT_UART_MSG_FRAME5TXACTIVITY_POS,
|
|
(BT_UART_MSG_FRAME5RXACTIVITY_MSK & uart_msg->frame5) >>
|
|
BT_UART_MSG_FRAME5RXACTIVITY_POS,
|
|
(BT_UART_MSG_FRAME5ESCORETRANSMIT_MSK & uart_msg->frame5) >>
|
|
BT_UART_MSG_FRAME5ESCORETRANSMIT_POS);
|
|
|
|
IWL_DEBUG_COEX(priv, "Sniff Interval = 0x%X, Discoverable = 0x%X\n",
|
|
(BT_UART_MSG_FRAME6SNIFFINTERVAL_MSK & uart_msg->frame6) >>
|
|
BT_UART_MSG_FRAME6SNIFFINTERVAL_POS,
|
|
(BT_UART_MSG_FRAME6DISCOVERABLE_MSK & uart_msg->frame6) >>
|
|
BT_UART_MSG_FRAME6DISCOVERABLE_POS);
|
|
|
|
IWL_DEBUG_COEX(priv, "Sniff Activity = 0x%X, Page = "
|
|
"0x%X, Inquiry = 0x%X, Connectable = 0x%X\n",
|
|
(BT_UART_MSG_FRAME7SNIFFACTIVITY_MSK & uart_msg->frame7) >>
|
|
BT_UART_MSG_FRAME7SNIFFACTIVITY_POS,
|
|
(BT_UART_MSG_FRAME7PAGE_MSK & uart_msg->frame7) >>
|
|
BT_UART_MSG_FRAME7PAGE_POS,
|
|
(BT_UART_MSG_FRAME7INQUIRY_MSK & uart_msg->frame7) >>
|
|
BT_UART_MSG_FRAME7INQUIRY_POS,
|
|
(BT_UART_MSG_FRAME7CONNECTABLE_MSK & uart_msg->frame7) >>
|
|
BT_UART_MSG_FRAME7CONNECTABLE_POS);
|
|
}
|
|
|
|
static void iwlagn_set_kill_msk(struct iwl_priv *priv,
|
|
struct iwl_bt_uart_msg *uart_msg)
|
|
{
|
|
u8 kill_msk;
|
|
static const __le32 bt_kill_ack_msg[2] = {
|
|
IWLAGN_BT_KILL_ACK_MASK_DEFAULT,
|
|
IWLAGN_BT_KILL_ACK_CTS_MASK_SCO };
|
|
static const __le32 bt_kill_cts_msg[2] = {
|
|
IWLAGN_BT_KILL_CTS_MASK_DEFAULT,
|
|
IWLAGN_BT_KILL_ACK_CTS_MASK_SCO };
|
|
|
|
kill_msk = (BT_UART_MSG_FRAME3SCOESCO_MSK & uart_msg->frame3)
|
|
? 1 : 0;
|
|
if (priv->kill_ack_mask != bt_kill_ack_msg[kill_msk] ||
|
|
priv->kill_cts_mask != bt_kill_cts_msg[kill_msk]) {
|
|
priv->bt_valid |= IWLAGN_BT_VALID_KILL_ACK_MASK;
|
|
priv->kill_ack_mask = bt_kill_ack_msg[kill_msk];
|
|
priv->bt_valid |= IWLAGN_BT_VALID_KILL_CTS_MASK;
|
|
priv->kill_cts_mask = bt_kill_cts_msg[kill_msk];
|
|
|
|
/* schedule to send runtime bt_config */
|
|
queue_work(priv->workqueue, &priv->bt_runtime_config);
|
|
}
|
|
}
|
|
|
|
int iwlagn_bt_coex_profile_notif(struct iwl_priv *priv,
|
|
struct iwl_rx_cmd_buffer *rxb,
|
|
struct iwl_device_cmd *cmd)
|
|
{
|
|
struct iwl_rx_packet *pkt = rxb_addr(rxb);
|
|
struct iwl_bt_coex_profile_notif *coex = (void *)pkt->data;
|
|
struct iwl_bt_uart_msg *uart_msg = &coex->last_bt_uart_msg;
|
|
|
|
if (priv->bt_enable_flag == IWLAGN_BT_FLAG_COEX_MODE_DISABLED) {
|
|
/* bt coex disabled */
|
|
return 0;
|
|
}
|
|
|
|
IWL_DEBUG_COEX(priv, "BT Coex notification:\n");
|
|
IWL_DEBUG_COEX(priv, " status: %d\n", coex->bt_status);
|
|
IWL_DEBUG_COEX(priv, " traffic load: %d\n", coex->bt_traffic_load);
|
|
IWL_DEBUG_COEX(priv, " CI compliance: %d\n",
|
|
coex->bt_ci_compliance);
|
|
iwlagn_print_uartmsg(priv, uart_msg);
|
|
|
|
priv->last_bt_traffic_load = priv->bt_traffic_load;
|
|
priv->bt_is_sco = iwlagn_bt_traffic_is_sco(uart_msg);
|
|
|
|
if (priv->iw_mode != NL80211_IFTYPE_ADHOC) {
|
|
if (priv->bt_status != coex->bt_status ||
|
|
priv->last_bt_traffic_load != coex->bt_traffic_load) {
|
|
if (coex->bt_status) {
|
|
/* BT on */
|
|
if (!priv->bt_ch_announce)
|
|
priv->bt_traffic_load =
|
|
IWL_BT_COEX_TRAFFIC_LOAD_HIGH;
|
|
else
|
|
priv->bt_traffic_load =
|
|
coex->bt_traffic_load;
|
|
} else {
|
|
/* BT off */
|
|
priv->bt_traffic_load =
|
|
IWL_BT_COEX_TRAFFIC_LOAD_NONE;
|
|
}
|
|
priv->bt_status = coex->bt_status;
|
|
queue_work(priv->workqueue,
|
|
&priv->bt_traffic_change_work);
|
|
}
|
|
}
|
|
|
|
iwlagn_set_kill_msk(priv, uart_msg);
|
|
|
|
/* FIXME: based on notification, adjust the prio_boost */
|
|
|
|
priv->bt_ci_compliance = coex->bt_ci_compliance;
|
|
return 0;
|
|
}
|
|
|
|
void iwlagn_bt_rx_handler_setup(struct iwl_priv *priv)
|
|
{
|
|
priv->rx_handlers[REPLY_BT_COEX_PROFILE_NOTIF] =
|
|
iwlagn_bt_coex_profile_notif;
|
|
}
|
|
|
|
void iwlagn_bt_setup_deferred_work(struct iwl_priv *priv)
|
|
{
|
|
INIT_WORK(&priv->bt_traffic_change_work,
|
|
iwlagn_bt_traffic_change_work);
|
|
}
|
|
|
|
void iwlagn_bt_cancel_deferred_work(struct iwl_priv *priv)
|
|
{
|
|
cancel_work_sync(&priv->bt_traffic_change_work);
|
|
}
|
|
|
|
static bool is_single_rx_stream(struct iwl_priv *priv)
|
|
{
|
|
return priv->current_ht_config.smps == IEEE80211_SMPS_STATIC ||
|
|
priv->current_ht_config.single_chain_sufficient;
|
|
}
|
|
|
|
#define IWL_NUM_RX_CHAINS_MULTIPLE 3
|
|
#define IWL_NUM_RX_CHAINS_SINGLE 2
|
|
#define IWL_NUM_IDLE_CHAINS_DUAL 2
|
|
#define IWL_NUM_IDLE_CHAINS_SINGLE 1
|
|
|
|
/*
|
|
* Determine how many receiver/antenna chains to use.
|
|
*
|
|
* More provides better reception via diversity. Fewer saves power
|
|
* at the expense of throughput, but only when not in powersave to
|
|
* start with.
|
|
*
|
|
* MIMO (dual stream) requires at least 2, but works better with 3.
|
|
* This does not determine *which* chains to use, just how many.
|
|
*/
|
|
static int iwl_get_active_rx_chain_count(struct iwl_priv *priv)
|
|
{
|
|
if (priv->cfg->bt_params &&
|
|
priv->cfg->bt_params->advanced_bt_coexist &&
|
|
(priv->bt_full_concurrent ||
|
|
priv->bt_traffic_load >= IWL_BT_COEX_TRAFFIC_LOAD_HIGH)) {
|
|
/*
|
|
* only use chain 'A' in bt high traffic load or
|
|
* full concurrency mode
|
|
*/
|
|
return IWL_NUM_RX_CHAINS_SINGLE;
|
|
}
|
|
/* # of Rx chains to use when expecting MIMO. */
|
|
if (is_single_rx_stream(priv))
|
|
return IWL_NUM_RX_CHAINS_SINGLE;
|
|
else
|
|
return IWL_NUM_RX_CHAINS_MULTIPLE;
|
|
}
|
|
|
|
/*
|
|
* When we are in power saving mode, unless device support spatial
|
|
* multiplexing power save, use the active count for rx chain count.
|
|
*/
|
|
static int iwl_get_idle_rx_chain_count(struct iwl_priv *priv, int active_cnt)
|
|
{
|
|
/* # Rx chains when idling, depending on SMPS mode */
|
|
switch (priv->current_ht_config.smps) {
|
|
case IEEE80211_SMPS_STATIC:
|
|
case IEEE80211_SMPS_DYNAMIC:
|
|
return IWL_NUM_IDLE_CHAINS_SINGLE;
|
|
case IEEE80211_SMPS_AUTOMATIC:
|
|
case IEEE80211_SMPS_OFF:
|
|
return active_cnt;
|
|
default:
|
|
WARN(1, "invalid SMPS mode %d",
|
|
priv->current_ht_config.smps);
|
|
return active_cnt;
|
|
}
|
|
}
|
|
|
|
/* up to 4 chains */
|
|
static u8 iwl_count_chain_bitmap(u32 chain_bitmap)
|
|
{
|
|
u8 res;
|
|
res = (chain_bitmap & BIT(0)) >> 0;
|
|
res += (chain_bitmap & BIT(1)) >> 1;
|
|
res += (chain_bitmap & BIT(2)) >> 2;
|
|
res += (chain_bitmap & BIT(3)) >> 3;
|
|
return res;
|
|
}
|
|
|
|
/**
|
|
* iwlagn_set_rxon_chain - Set up Rx chain usage in "staging" RXON image
|
|
*
|
|
* Selects how many and which Rx receivers/antennas/chains to use.
|
|
* This should not be used for scan command ... it puts data in wrong place.
|
|
*/
|
|
void iwlagn_set_rxon_chain(struct iwl_priv *priv, struct iwl_rxon_context *ctx)
|
|
{
|
|
bool is_single = is_single_rx_stream(priv);
|
|
bool is_cam = !test_bit(STATUS_POWER_PMI, &priv->status);
|
|
u8 idle_rx_cnt, active_rx_cnt, valid_rx_cnt;
|
|
u32 active_chains;
|
|
u16 rx_chain;
|
|
|
|
/* Tell uCode which antennas are actually connected.
|
|
* Before first association, we assume all antennas are connected.
|
|
* Just after first association, iwl_chain_noise_calibration()
|
|
* checks which antennas actually *are* connected. */
|
|
if (priv->chain_noise_data.active_chains)
|
|
active_chains = priv->chain_noise_data.active_chains;
|
|
else
|
|
active_chains = priv->hw_params.valid_rx_ant;
|
|
|
|
if (priv->cfg->bt_params &&
|
|
priv->cfg->bt_params->advanced_bt_coexist &&
|
|
(priv->bt_full_concurrent ||
|
|
priv->bt_traffic_load >= IWL_BT_COEX_TRAFFIC_LOAD_HIGH)) {
|
|
/*
|
|
* only use chain 'A' in bt high traffic load or
|
|
* full concurrency mode
|
|
*/
|
|
active_chains = first_antenna(active_chains);
|
|
}
|
|
|
|
rx_chain = active_chains << RXON_RX_CHAIN_VALID_POS;
|
|
|
|
/* How many receivers should we use? */
|
|
active_rx_cnt = iwl_get_active_rx_chain_count(priv);
|
|
idle_rx_cnt = iwl_get_idle_rx_chain_count(priv, active_rx_cnt);
|
|
|
|
|
|
/* correct rx chain count according hw settings
|
|
* and chain noise calibration
|
|
*/
|
|
valid_rx_cnt = iwl_count_chain_bitmap(active_chains);
|
|
if (valid_rx_cnt < active_rx_cnt)
|
|
active_rx_cnt = valid_rx_cnt;
|
|
|
|
if (valid_rx_cnt < idle_rx_cnt)
|
|
idle_rx_cnt = valid_rx_cnt;
|
|
|
|
rx_chain |= active_rx_cnt << RXON_RX_CHAIN_MIMO_CNT_POS;
|
|
rx_chain |= idle_rx_cnt << RXON_RX_CHAIN_CNT_POS;
|
|
|
|
ctx->staging.rx_chain = cpu_to_le16(rx_chain);
|
|
|
|
if (!is_single && (active_rx_cnt >= IWL_NUM_RX_CHAINS_SINGLE) && is_cam)
|
|
ctx->staging.rx_chain |= RXON_RX_CHAIN_MIMO_FORCE_MSK;
|
|
else
|
|
ctx->staging.rx_chain &= ~RXON_RX_CHAIN_MIMO_FORCE_MSK;
|
|
|
|
IWL_DEBUG_ASSOC(priv, "rx_chain=0x%X active=%d idle=%d\n",
|
|
ctx->staging.rx_chain,
|
|
active_rx_cnt, idle_rx_cnt);
|
|
|
|
WARN_ON(active_rx_cnt == 0 || idle_rx_cnt == 0 ||
|
|
active_rx_cnt < idle_rx_cnt);
|
|
}
|
|
|
|
u8 iwl_toggle_tx_ant(struct iwl_priv *priv, u8 ant, u8 valid)
|
|
{
|
|
int i;
|
|
u8 ind = ant;
|
|
|
|
if (priv->band == IEEE80211_BAND_2GHZ &&
|
|
priv->bt_traffic_load >= IWL_BT_COEX_TRAFFIC_LOAD_HIGH)
|
|
return 0;
|
|
|
|
for (i = 0; i < RATE_ANT_NUM - 1; i++) {
|
|
ind = (ind + 1) < RATE_ANT_NUM ? ind + 1 : 0;
|
|
if (valid & BIT(ind))
|
|
return ind;
|
|
}
|
|
return ant;
|
|
}
|
|
|
|
#ifdef CONFIG_PM_SLEEP
|
|
static void iwlagn_convert_p1k(u16 *p1k, __le16 *out)
|
|
{
|
|
int i;
|
|
|
|
for (i = 0; i < IWLAGN_P1K_SIZE; i++)
|
|
out[i] = cpu_to_le16(p1k[i]);
|
|
}
|
|
|
|
struct wowlan_key_data {
|
|
struct iwl_rxon_context *ctx;
|
|
struct iwlagn_wowlan_rsc_tsc_params_cmd *rsc_tsc;
|
|
struct iwlagn_wowlan_tkip_params_cmd *tkip;
|
|
const u8 *bssid;
|
|
bool error, use_rsc_tsc, use_tkip;
|
|
};
|
|
|
|
|
|
static void iwlagn_wowlan_program_keys(struct ieee80211_hw *hw,
|
|
struct ieee80211_vif *vif,
|
|
struct ieee80211_sta *sta,
|
|
struct ieee80211_key_conf *key,
|
|
void *_data)
|
|
{
|
|
struct iwl_priv *priv = IWL_MAC80211_GET_DVM(hw);
|
|
struct wowlan_key_data *data = _data;
|
|
struct iwl_rxon_context *ctx = data->ctx;
|
|
struct aes_sc *aes_sc, *aes_tx_sc = NULL;
|
|
struct tkip_sc *tkip_sc, *tkip_tx_sc = NULL;
|
|
struct iwlagn_p1k_cache *rx_p1ks;
|
|
u8 *rx_mic_key;
|
|
struct ieee80211_key_seq seq;
|
|
u32 cur_rx_iv32 = 0;
|
|
u16 p1k[IWLAGN_P1K_SIZE];
|
|
int ret, i;
|
|
|
|
mutex_lock(&priv->mutex);
|
|
|
|
if ((key->cipher == WLAN_CIPHER_SUITE_WEP40 ||
|
|
key->cipher == WLAN_CIPHER_SUITE_WEP104) &&
|
|
!sta && !ctx->key_mapping_keys)
|
|
ret = iwl_set_default_wep_key(priv, ctx, key);
|
|
else
|
|
ret = iwl_set_dynamic_key(priv, ctx, key, sta);
|
|
|
|
if (ret) {
|
|
IWL_ERR(priv, "Error setting key during suspend!\n");
|
|
data->error = true;
|
|
}
|
|
|
|
switch (key->cipher) {
|
|
case WLAN_CIPHER_SUITE_TKIP:
|
|
if (sta) {
|
|
tkip_sc = data->rsc_tsc->all_tsc_rsc.tkip.unicast_rsc;
|
|
tkip_tx_sc = &data->rsc_tsc->all_tsc_rsc.tkip.tsc;
|
|
|
|
rx_p1ks = data->tkip->rx_uni;
|
|
|
|
ieee80211_get_key_tx_seq(key, &seq);
|
|
tkip_tx_sc->iv16 = cpu_to_le16(seq.tkip.iv16);
|
|
tkip_tx_sc->iv32 = cpu_to_le32(seq.tkip.iv32);
|
|
|
|
ieee80211_get_tkip_p1k_iv(key, seq.tkip.iv32, p1k);
|
|
iwlagn_convert_p1k(p1k, data->tkip->tx.p1k);
|
|
|
|
memcpy(data->tkip->mic_keys.tx,
|
|
&key->key[NL80211_TKIP_DATA_OFFSET_TX_MIC_KEY],
|
|
IWLAGN_MIC_KEY_SIZE);
|
|
|
|
rx_mic_key = data->tkip->mic_keys.rx_unicast;
|
|
} else {
|
|
tkip_sc =
|
|
data->rsc_tsc->all_tsc_rsc.tkip.multicast_rsc;
|
|
rx_p1ks = data->tkip->rx_multi;
|
|
rx_mic_key = data->tkip->mic_keys.rx_mcast;
|
|
}
|
|
|
|
/*
|
|
* For non-QoS this relies on the fact that both the uCode and
|
|
* mac80211 use TID 0 (as they need to to avoid replay attacks)
|
|
* for checking the IV in the frames.
|
|
*/
|
|
for (i = 0; i < IWLAGN_NUM_RSC; i++) {
|
|
ieee80211_get_key_rx_seq(key, i, &seq);
|
|
tkip_sc[i].iv16 = cpu_to_le16(seq.tkip.iv16);
|
|
tkip_sc[i].iv32 = cpu_to_le32(seq.tkip.iv32);
|
|
/* wrapping isn't allowed, AP must rekey */
|
|
if (seq.tkip.iv32 > cur_rx_iv32)
|
|
cur_rx_iv32 = seq.tkip.iv32;
|
|
}
|
|
|
|
ieee80211_get_tkip_rx_p1k(key, data->bssid, cur_rx_iv32, p1k);
|
|
iwlagn_convert_p1k(p1k, rx_p1ks[0].p1k);
|
|
ieee80211_get_tkip_rx_p1k(key, data->bssid,
|
|
cur_rx_iv32 + 1, p1k);
|
|
iwlagn_convert_p1k(p1k, rx_p1ks[1].p1k);
|
|
|
|
memcpy(rx_mic_key,
|
|
&key->key[NL80211_TKIP_DATA_OFFSET_RX_MIC_KEY],
|
|
IWLAGN_MIC_KEY_SIZE);
|
|
|
|
data->use_tkip = true;
|
|
data->use_rsc_tsc = true;
|
|
break;
|
|
case WLAN_CIPHER_SUITE_CCMP:
|
|
if (sta) {
|
|
u8 *pn = seq.ccmp.pn;
|
|
|
|
aes_sc = data->rsc_tsc->all_tsc_rsc.aes.unicast_rsc;
|
|
aes_tx_sc = &data->rsc_tsc->all_tsc_rsc.aes.tsc;
|
|
|
|
ieee80211_get_key_tx_seq(key, &seq);
|
|
aes_tx_sc->pn = cpu_to_le64(
|
|
(u64)pn[5] |
|
|
((u64)pn[4] << 8) |
|
|
((u64)pn[3] << 16) |
|
|
((u64)pn[2] << 24) |
|
|
((u64)pn[1] << 32) |
|
|
((u64)pn[0] << 40));
|
|
} else
|
|
aes_sc = data->rsc_tsc->all_tsc_rsc.aes.multicast_rsc;
|
|
|
|
/*
|
|
* For non-QoS this relies on the fact that both the uCode and
|
|
* mac80211 use TID 0 for checking the IV in the frames.
|
|
*/
|
|
for (i = 0; i < IWLAGN_NUM_RSC; i++) {
|
|
u8 *pn = seq.ccmp.pn;
|
|
|
|
ieee80211_get_key_rx_seq(key, i, &seq);
|
|
aes_sc->pn = cpu_to_le64(
|
|
(u64)pn[5] |
|
|
((u64)pn[4] << 8) |
|
|
((u64)pn[3] << 16) |
|
|
((u64)pn[2] << 24) |
|
|
((u64)pn[1] << 32) |
|
|
((u64)pn[0] << 40));
|
|
}
|
|
data->use_rsc_tsc = true;
|
|
break;
|
|
}
|
|
|
|
mutex_unlock(&priv->mutex);
|
|
}
|
|
|
|
int iwlagn_send_patterns(struct iwl_priv *priv,
|
|
struct cfg80211_wowlan *wowlan)
|
|
{
|
|
struct iwlagn_wowlan_patterns_cmd *pattern_cmd;
|
|
struct iwl_host_cmd cmd = {
|
|
.id = REPLY_WOWLAN_PATTERNS,
|
|
.dataflags[0] = IWL_HCMD_DFL_NOCOPY,
|
|
.flags = CMD_SYNC,
|
|
};
|
|
int i, err;
|
|
|
|
if (!wowlan->n_patterns)
|
|
return 0;
|
|
|
|
cmd.len[0] = sizeof(*pattern_cmd) +
|
|
wowlan->n_patterns * sizeof(struct iwlagn_wowlan_pattern);
|
|
|
|
pattern_cmd = kmalloc(cmd.len[0], GFP_KERNEL);
|
|
if (!pattern_cmd)
|
|
return -ENOMEM;
|
|
|
|
pattern_cmd->n_patterns = cpu_to_le32(wowlan->n_patterns);
|
|
|
|
for (i = 0; i < wowlan->n_patterns; i++) {
|
|
int mask_len = DIV_ROUND_UP(wowlan->patterns[i].pattern_len, 8);
|
|
|
|
memcpy(&pattern_cmd->patterns[i].mask,
|
|
wowlan->patterns[i].mask, mask_len);
|
|
memcpy(&pattern_cmd->patterns[i].pattern,
|
|
wowlan->patterns[i].pattern,
|
|
wowlan->patterns[i].pattern_len);
|
|
pattern_cmd->patterns[i].mask_size = mask_len;
|
|
pattern_cmd->patterns[i].pattern_size =
|
|
wowlan->patterns[i].pattern_len;
|
|
}
|
|
|
|
cmd.data[0] = pattern_cmd;
|
|
err = iwl_dvm_send_cmd(priv, &cmd);
|
|
kfree(pattern_cmd);
|
|
return err;
|
|
}
|
|
|
|
int iwlagn_suspend(struct iwl_priv *priv, struct cfg80211_wowlan *wowlan)
|
|
{
|
|
struct iwlagn_wowlan_wakeup_filter_cmd wakeup_filter_cmd;
|
|
struct iwl_rxon_cmd rxon;
|
|
struct iwl_rxon_context *ctx = &priv->contexts[IWL_RXON_CTX_BSS];
|
|
struct iwlagn_wowlan_kek_kck_material_cmd kek_kck_cmd;
|
|
struct iwlagn_wowlan_tkip_params_cmd tkip_cmd = {};
|
|
struct iwlagn_d3_config_cmd d3_cfg_cmd = {};
|
|
struct wowlan_key_data key_data = {
|
|
.ctx = ctx,
|
|
.bssid = ctx->active.bssid_addr,
|
|
.use_rsc_tsc = false,
|
|
.tkip = &tkip_cmd,
|
|
.use_tkip = false,
|
|
};
|
|
int ret, i;
|
|
u16 seq;
|
|
|
|
key_data.rsc_tsc = kzalloc(sizeof(*key_data.rsc_tsc), GFP_KERNEL);
|
|
if (!key_data.rsc_tsc)
|
|
return -ENOMEM;
|
|
|
|
memset(&wakeup_filter_cmd, 0, sizeof(wakeup_filter_cmd));
|
|
|
|
/*
|
|
* We know the last used seqno, and the uCode expects to know that
|
|
* one, it will increment before TX.
|
|
*/
|
|
seq = le16_to_cpu(priv->last_seq_ctl) & IEEE80211_SCTL_SEQ;
|
|
wakeup_filter_cmd.non_qos_seq = cpu_to_le16(seq);
|
|
|
|
/*
|
|
* For QoS counters, we store the one to use next, so subtract 0x10
|
|
* since the uCode will add 0x10 before using the value.
|
|
*/
|
|
for (i = 0; i < IWL_MAX_TID_COUNT; i++) {
|
|
seq = priv->tid_data[IWL_AP_ID][i].seq_number;
|
|
seq -= 0x10;
|
|
wakeup_filter_cmd.qos_seq[i] = cpu_to_le16(seq);
|
|
}
|
|
|
|
if (wowlan->disconnect)
|
|
wakeup_filter_cmd.enabled |=
|
|
cpu_to_le32(IWLAGN_WOWLAN_WAKEUP_BEACON_MISS |
|
|
IWLAGN_WOWLAN_WAKEUP_LINK_CHANGE);
|
|
if (wowlan->magic_pkt)
|
|
wakeup_filter_cmd.enabled |=
|
|
cpu_to_le32(IWLAGN_WOWLAN_WAKEUP_MAGIC_PACKET);
|
|
if (wowlan->gtk_rekey_failure)
|
|
wakeup_filter_cmd.enabled |=
|
|
cpu_to_le32(IWLAGN_WOWLAN_WAKEUP_GTK_REKEY_FAIL);
|
|
if (wowlan->eap_identity_req)
|
|
wakeup_filter_cmd.enabled |=
|
|
cpu_to_le32(IWLAGN_WOWLAN_WAKEUP_EAP_IDENT_REQ);
|
|
if (wowlan->four_way_handshake)
|
|
wakeup_filter_cmd.enabled |=
|
|
cpu_to_le32(IWLAGN_WOWLAN_WAKEUP_4WAY_HANDSHAKE);
|
|
if (wowlan->n_patterns)
|
|
wakeup_filter_cmd.enabled |=
|
|
cpu_to_le32(IWLAGN_WOWLAN_WAKEUP_PATTERN_MATCH);
|
|
|
|
if (wowlan->rfkill_release)
|
|
d3_cfg_cmd.wakeup_flags |=
|
|
cpu_to_le32(IWLAGN_D3_WAKEUP_RFKILL);
|
|
|
|
iwl_scan_cancel_timeout(priv, 200);
|
|
|
|
memcpy(&rxon, &ctx->active, sizeof(rxon));
|
|
|
|
priv->ucode_loaded = false;
|
|
iwl_trans_stop_device(priv->trans);
|
|
|
|
priv->wowlan = true;
|
|
|
|
ret = iwl_load_ucode_wait_alive(priv, IWL_UCODE_WOWLAN);
|
|
if (ret)
|
|
goto out;
|
|
|
|
/* now configure WoWLAN ucode */
|
|
ret = iwl_alive_start(priv);
|
|
if (ret)
|
|
goto out;
|
|
|
|
memcpy(&ctx->staging, &rxon, sizeof(rxon));
|
|
ret = iwlagn_commit_rxon(priv, ctx);
|
|
if (ret)
|
|
goto out;
|
|
|
|
ret = iwl_power_update_mode(priv, true);
|
|
if (ret)
|
|
goto out;
|
|
|
|
if (!iwlagn_mod_params.sw_crypto) {
|
|
/* mark all keys clear */
|
|
priv->ucode_key_table = 0;
|
|
ctx->key_mapping_keys = 0;
|
|
|
|
/*
|
|
* This needs to be unlocked due to lock ordering
|
|
* constraints. Since we're in the suspend path
|
|
* that isn't really a problem though.
|
|
*/
|
|
mutex_unlock(&priv->mutex);
|
|
ieee80211_iter_keys(priv->hw, ctx->vif,
|
|
iwlagn_wowlan_program_keys,
|
|
&key_data);
|
|
mutex_lock(&priv->mutex);
|
|
if (key_data.error) {
|
|
ret = -EIO;
|
|
goto out;
|
|
}
|
|
|
|
if (key_data.use_rsc_tsc) {
|
|
struct iwl_host_cmd rsc_tsc_cmd = {
|
|
.id = REPLY_WOWLAN_TSC_RSC_PARAMS,
|
|
.flags = CMD_SYNC,
|
|
.data[0] = key_data.rsc_tsc,
|
|
.dataflags[0] = IWL_HCMD_DFL_NOCOPY,
|
|
.len[0] = sizeof(*key_data.rsc_tsc),
|
|
};
|
|
|
|
ret = iwl_dvm_send_cmd(priv, &rsc_tsc_cmd);
|
|
if (ret)
|
|
goto out;
|
|
}
|
|
|
|
if (key_data.use_tkip) {
|
|
ret = iwl_dvm_send_cmd_pdu(priv,
|
|
REPLY_WOWLAN_TKIP_PARAMS,
|
|
CMD_SYNC, sizeof(tkip_cmd),
|
|
&tkip_cmd);
|
|
if (ret)
|
|
goto out;
|
|
}
|
|
|
|
if (priv->have_rekey_data) {
|
|
memset(&kek_kck_cmd, 0, sizeof(kek_kck_cmd));
|
|
memcpy(kek_kck_cmd.kck, priv->kck, NL80211_KCK_LEN);
|
|
kek_kck_cmd.kck_len = cpu_to_le16(NL80211_KCK_LEN);
|
|
memcpy(kek_kck_cmd.kek, priv->kek, NL80211_KEK_LEN);
|
|
kek_kck_cmd.kek_len = cpu_to_le16(NL80211_KEK_LEN);
|
|
kek_kck_cmd.replay_ctr = priv->replay_ctr;
|
|
|
|
ret = iwl_dvm_send_cmd_pdu(priv,
|
|
REPLY_WOWLAN_KEK_KCK_MATERIAL,
|
|
CMD_SYNC, sizeof(kek_kck_cmd),
|
|
&kek_kck_cmd);
|
|
if (ret)
|
|
goto out;
|
|
}
|
|
}
|
|
|
|
ret = iwl_dvm_send_cmd_pdu(priv, REPLY_D3_CONFIG, CMD_SYNC,
|
|
sizeof(d3_cfg_cmd), &d3_cfg_cmd);
|
|
if (ret)
|
|
goto out;
|
|
|
|
ret = iwl_dvm_send_cmd_pdu(priv, REPLY_WOWLAN_WAKEUP_FILTER,
|
|
CMD_SYNC, sizeof(wakeup_filter_cmd),
|
|
&wakeup_filter_cmd);
|
|
if (ret)
|
|
goto out;
|
|
|
|
ret = iwlagn_send_patterns(priv, wowlan);
|
|
out:
|
|
kfree(key_data.rsc_tsc);
|
|
return ret;
|
|
}
|
|
#endif
|
|
|
|
int iwl_dvm_send_cmd(struct iwl_priv *priv, struct iwl_host_cmd *cmd)
|
|
{
|
|
if (iwl_is_rfkill(priv) || iwl_is_ctkill(priv)) {
|
|
IWL_WARN(priv, "Not sending command - %s KILL\n",
|
|
iwl_is_rfkill(priv) ? "RF" : "CT");
|
|
return -EIO;
|
|
}
|
|
|
|
if (test_bit(STATUS_FW_ERROR, &priv->status)) {
|
|
IWL_ERR(priv, "Command %s failed: FW Error\n",
|
|
iwl_dvm_get_cmd_string(cmd->id));
|
|
return -EIO;
|
|
}
|
|
|
|
/*
|
|
* Synchronous commands from this op-mode must hold
|
|
* the mutex, this ensures we don't try to send two
|
|
* (or more) synchronous commands at a time.
|
|
*/
|
|
if (cmd->flags & CMD_SYNC)
|
|
lockdep_assert_held(&priv->mutex);
|
|
|
|
if (priv->ucode_owner == IWL_OWNERSHIP_TM &&
|
|
!(cmd->flags & CMD_ON_DEMAND)) {
|
|
IWL_DEBUG_HC(priv, "tm own the uCode, no regular hcmd send\n");
|
|
return -EIO;
|
|
}
|
|
|
|
return iwl_trans_send_cmd(priv->trans, cmd);
|
|
}
|
|
|
|
int iwl_dvm_send_cmd_pdu(struct iwl_priv *priv, u8 id,
|
|
u32 flags, u16 len, const void *data)
|
|
{
|
|
struct iwl_host_cmd cmd = {
|
|
.id = id,
|
|
.len = { len, },
|
|
.data = { data, },
|
|
.flags = flags,
|
|
};
|
|
|
|
return iwl_dvm_send_cmd(priv, &cmd);
|
|
}
|