+++ /dev/null
-/******************************************************************************
- *
- * GPL LICENSE SUMMARY
- *
- * Copyright(c) 2008 - 2014 Intel Corporation. All rights reserved.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of version 2 of the GNU General Public License as
- * published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110,
- * USA
- *
- * The full GNU General Public License is included in this distribution
- * in the file called COPYING.
- *
- * Contact Information:
- * Intel Linux Wireless <ilw@linux.intel.com>
- * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
- *
- *****************************************************************************/
-#include <linux/etherdevice.h>
-#include <linux/kernel.h>
-#include <linux/module.h>
-#include <linux/sched.h>
-#include <net/mac80211.h>
-
-#include "iwl-io.h"
-#include "iwl-agn-hw.h"
-#include "iwl-trans.h"
-#include "iwl-modparams.h"
-
-#include "dev.h"
-#include "agn.h"
-
-int iwlagn_hw_valid_rtc_data_addr(u32 addr)
-{
- return (addr >= IWLAGN_RTC_DATA_LOWER_BOUND) &&
- (addr < IWLAGN_RTC_DATA_UPPER_BOUND);
-}
-
-int iwlagn_send_tx_power(struct iwl_priv *priv)
-{
- struct iwlagn_tx_power_dbm_cmd tx_power_cmd;
- u8 tx_ant_cfg_cmd;
-
- if (WARN_ONCE(test_bit(STATUS_SCAN_HW, &priv->status),
- "TX Power requested while scanning!\n"))
- return -EAGAIN;
-
- /* half dBm need to multiply */
- tx_power_cmd.global_lmt = (s8)(2 * priv->tx_power_user_lmt);
-
- if (tx_power_cmd.global_lmt > priv->nvm_data->max_tx_pwr_half_dbm) {
- /*
- * For the newer devices which using enhanced/extend tx power
- * table in EEPROM, the format is in half dBm. driver need to
- * convert to dBm format before report to mac80211.
- * By doing so, there is a possibility of 1/2 dBm resolution
- * lost. driver will perform "round-up" operation before
- * reporting, but it will cause 1/2 dBm tx power over the
- * regulatory limit. Perform the checking here, if the
- * "tx_power_user_lmt" is higher than EEPROM value (in
- * half-dBm format), lower the tx power based on EEPROM
- */
- tx_power_cmd.global_lmt =
- priv->nvm_data->max_tx_pwr_half_dbm;
- }
- tx_power_cmd.flags = IWLAGN_TX_POWER_NO_CLOSED;
- tx_power_cmd.srv_chan_lmt = IWLAGN_TX_POWER_AUTO;
-
- if (IWL_UCODE_API(priv->fw->ucode_ver) == 1)
- tx_ant_cfg_cmd = REPLY_TX_POWER_DBM_CMD_V1;
- else
- tx_ant_cfg_cmd = REPLY_TX_POWER_DBM_CMD;
-
- return iwl_dvm_send_cmd_pdu(priv, tx_ant_cfg_cmd, 0,
- sizeof(tx_power_cmd), &tx_power_cmd);
-}
-
-void iwlagn_temperature(struct iwl_priv *priv)
-{
- lockdep_assert_held(&priv->statistics.lock);
-
- /* store temperature from correct statistics (in Celsius) */
- priv->temperature = le32_to_cpu(priv->statistics.common.temperature);
- iwl_tt_handler(priv);
-}
-
-int iwlagn_hwrate_to_mac80211_idx(u32 rate_n_flags, enum ieee80211_band band)
-{
- int idx = 0;
- int band_offset = 0;
-
- /* HT rate format: mac80211 wants an MCS number, which is just LSB */
- if (rate_n_flags & RATE_MCS_HT_MSK) {
- idx = (rate_n_flags & 0xff);
- return idx;
- /* Legacy rate format, search for match in table */
- } else {
- if (band == IEEE80211_BAND_5GHZ)
- band_offset = IWL_FIRST_OFDM_RATE;
- for (idx = band_offset; idx < IWL_RATE_COUNT_LEGACY; idx++)
- if (iwl_rates[idx].plcp == (rate_n_flags & 0xFF))
- return idx - band_offset;
- }
-
- return -1;
-}
-
-int iwlagn_manage_ibss_station(struct iwl_priv *priv,
- struct ieee80211_vif *vif, bool add)
-{
- struct iwl_vif_priv *vif_priv = (void *)vif->drv_priv;
-
- if (add)
- return iwlagn_add_bssid_station(priv, vif_priv->ctx,
- vif->bss_conf.bssid,
- &vif_priv->ibss_bssid_sta_id);
- return iwl_remove_station(priv, vif_priv->ibss_bssid_sta_id,
- vif->bss_conf.bssid);
-}
-
-/**
- * iwlagn_txfifo_flush: send REPLY_TXFIFO_FLUSH command to uCode
- *
- * pre-requirements:
- * 1. acquire mutex before calling
- * 2. make sure rf is on and not in exit state
- */
-int iwlagn_txfifo_flush(struct iwl_priv *priv, u32 scd_q_msk)
-{
- struct iwl_txfifo_flush_cmd_v3 flush_cmd_v3 = {
- .flush_control = cpu_to_le16(IWL_DROP_ALL),
- };
- struct iwl_txfifo_flush_cmd_v2 flush_cmd_v2 = {
- .flush_control = cpu_to_le16(IWL_DROP_ALL),
- };
-
- u32 queue_control = IWL_SCD_VO_MSK | IWL_SCD_VI_MSK |
- IWL_SCD_BE_MSK | IWL_SCD_BK_MSK | IWL_SCD_MGMT_MSK;
-
- if ((priv->valid_contexts != BIT(IWL_RXON_CTX_BSS)))
- queue_control |= IWL_PAN_SCD_VO_MSK | IWL_PAN_SCD_VI_MSK |
- IWL_PAN_SCD_BE_MSK | IWL_PAN_SCD_BK_MSK |
- IWL_PAN_SCD_MGMT_MSK |
- IWL_PAN_SCD_MULTICAST_MSK;
-
- if (priv->nvm_data->sku_cap_11n_enable)
- queue_control |= IWL_AGG_TX_QUEUE_MSK;
-
- if (scd_q_msk)
- queue_control = scd_q_msk;
-
- IWL_DEBUG_INFO(priv, "queue control: 0x%x\n", queue_control);
- flush_cmd_v3.queue_control = cpu_to_le32(queue_control);
- flush_cmd_v2.queue_control = cpu_to_le16((u16)queue_control);
-
- if (IWL_UCODE_API(priv->fw->ucode_ver) > 2)
- return iwl_dvm_send_cmd_pdu(priv, REPLY_TXFIFO_FLUSH, 0,
- sizeof(flush_cmd_v3),
- &flush_cmd_v3);
- return iwl_dvm_send_cmd_pdu(priv, REPLY_TXFIFO_FLUSH, 0,
- sizeof(flush_cmd_v2), &flush_cmd_v2);
-}
-
-void iwlagn_dev_txfifo_flush(struct iwl_priv *priv)
-{
- mutex_lock(&priv->mutex);
- ieee80211_stop_queues(priv->hw);
- if (iwlagn_txfifo_flush(priv, 0)) {
- IWL_ERR(priv, "flush request fail\n");
- goto done;
- }
- IWL_DEBUG_INFO(priv, "wait transmit/flush all frames\n");
- iwl_trans_wait_tx_queue_empty(priv->trans, 0xffffffff);
-done:
- ieee80211_wake_queues(priv->hw);
- mutex_unlock(&priv->mutex);
-}
-
-/*
- * BT coex
- */
-/* Notmal TDM */
-static const __le32 iwlagn_def_3w_lookup[IWLAGN_BT_DECISION_LUT_SIZE] = {
- cpu_to_le32(0xaaaaaaaa),
- cpu_to_le32(0xaaaaaaaa),
- cpu_to_le32(0xaeaaaaaa),
- cpu_to_le32(0xaaaaaaaa),
- cpu_to_le32(0xcc00ff28),
- cpu_to_le32(0x0000aaaa),
- cpu_to_le32(0xcc00aaaa),
- cpu_to_le32(0x0000aaaa),
- cpu_to_le32(0xc0004000),
- cpu_to_le32(0x00004000),
- cpu_to_le32(0xf0005000),
- cpu_to_le32(0xf0005000),
-};
-
-
-/* Loose Coex */
-static const __le32 iwlagn_loose_lookup[IWLAGN_BT_DECISION_LUT_SIZE] = {
- cpu_to_le32(0xaaaaaaaa),
- cpu_to_le32(0xaaaaaaaa),
- cpu_to_le32(0xaeaaaaaa),
- cpu_to_le32(0xaaaaaaaa),
- cpu_to_le32(0xcc00ff28),
- cpu_to_le32(0x0000aaaa),
- cpu_to_le32(0xcc00aaaa),
- cpu_to_le32(0x0000aaaa),
- cpu_to_le32(0x00000000),
- cpu_to_le32(0x00000000),
- cpu_to_le32(0xf0005000),
- cpu_to_le32(0xf0005000),
-};
-
-/* Full concurrency */
-static const __le32 iwlagn_concurrent_lookup[IWLAGN_BT_DECISION_LUT_SIZE] = {
- cpu_to_le32(0xaaaaaaaa),
- cpu_to_le32(0xaaaaaaaa),
- cpu_to_le32(0xaaaaaaaa),
- cpu_to_le32(0xaaaaaaaa),
- cpu_to_le32(0xaaaaaaaa),
- cpu_to_le32(0xaaaaaaaa),
- cpu_to_le32(0xaaaaaaaa),
- cpu_to_le32(0xaaaaaaaa),
- cpu_to_le32(0x00000000),
- cpu_to_le32(0x00000000),
- cpu_to_le32(0x00000000),
- cpu_to_le32(0x00000000),
-};
-
-void iwlagn_send_advance_bt_config(struct iwl_priv *priv)
-{
- struct iwl_basic_bt_cmd basic = {
- .max_kill = IWLAGN_BT_MAX_KILL_DEFAULT,
- .bt3_timer_t7_value = IWLAGN_BT3_T7_DEFAULT,
- .bt3_prio_sample_time = IWLAGN_BT3_PRIO_SAMPLE_DEFAULT,
- .bt3_timer_t2_value = IWLAGN_BT3_T2_DEFAULT,
- };
- struct iwl_bt_cmd_v1 bt_cmd_v1;
- struct iwl_bt_cmd_v2 bt_cmd_v2;
- int ret;
-
- BUILD_BUG_ON(sizeof(iwlagn_def_3w_lookup) !=
- sizeof(basic.bt3_lookup_table));
-
- if (priv->lib->bt_params) {
- /*
- * newer generation of devices (2000 series and newer)
- * use the version 2 of the bt command
- * we need to make sure sending the host command
- * with correct data structure to avoid uCode assert
- */
- if (priv->lib->bt_params->bt_session_2) {
- bt_cmd_v2.prio_boost = cpu_to_le32(
- priv->lib->bt_params->bt_prio_boost);
- bt_cmd_v2.tx_prio_boost = 0;
- bt_cmd_v2.rx_prio_boost = 0;
- } else {
- /* older version only has 8 bits */
- WARN_ON(priv->lib->bt_params->bt_prio_boost & ~0xFF);
- bt_cmd_v1.prio_boost =
- priv->lib->bt_params->bt_prio_boost;
- bt_cmd_v1.tx_prio_boost = 0;
- bt_cmd_v1.rx_prio_boost = 0;
- }
- } else {
- IWL_ERR(priv, "failed to construct BT Coex Config\n");
- return;
- }
-
- /*
- * Possible situations when BT needs to take over for receive,
- * at the same time where STA needs to response to AP's frame(s),
- * reduce the tx power of the required response frames, by that,
- * allow the concurrent BT receive & WiFi transmit
- * (BT - ANT A, WiFi -ANT B), without interference to one another
- *
- * Reduced tx power apply to control frames only (ACK/Back/CTS)
- * when indicated by the BT config command
- */
- basic.kill_ack_mask = priv->kill_ack_mask;
- basic.kill_cts_mask = priv->kill_cts_mask;
- if (priv->reduced_txpower)
- basic.reduce_txpower = IWLAGN_BT_REDUCED_TX_PWR;
- basic.valid = priv->bt_valid;
-
- /*
- * Configure BT coex mode to "no coexistence" when the
- * user disabled BT coexistence, we have no interface
- * (might be in monitor mode), or the interface is in
- * IBSS mode (no proper uCode support for coex then).
- */
- if (!iwlwifi_mod_params.bt_coex_active ||
- priv->iw_mode == NL80211_IFTYPE_ADHOC) {
- basic.flags = IWLAGN_BT_FLAG_COEX_MODE_DISABLED;
- } else {
- basic.flags = IWLAGN_BT_FLAG_COEX_MODE_3W <<
- IWLAGN_BT_FLAG_COEX_MODE_SHIFT;
-
- if (!priv->bt_enable_pspoll)
- basic.flags |= IWLAGN_BT_FLAG_SYNC_2_BT_DISABLE;
- else
- basic.flags &= ~IWLAGN_BT_FLAG_SYNC_2_BT_DISABLE;
-
- if (priv->bt_ch_announce)
- basic.flags |= IWLAGN_BT_FLAG_CHANNEL_INHIBITION;
- IWL_DEBUG_COEX(priv, "BT coex flag: 0X%x\n", basic.flags);
- }
- priv->bt_enable_flag = basic.flags;
- if (priv->bt_full_concurrent)
- memcpy(basic.bt3_lookup_table, iwlagn_concurrent_lookup,
- sizeof(iwlagn_concurrent_lookup));
- else
- memcpy(basic.bt3_lookup_table, iwlagn_def_3w_lookup,
- sizeof(iwlagn_def_3w_lookup));
-
- IWL_DEBUG_COEX(priv, "BT coex %s in %s mode\n",
- basic.flags ? "active" : "disabled",
- priv->bt_full_concurrent ?
- "full concurrency" : "3-wire");
-
- if (priv->lib->bt_params->bt_session_2) {
- memcpy(&bt_cmd_v2.basic, &basic,
- sizeof(basic));
- ret = iwl_dvm_send_cmd_pdu(priv, REPLY_BT_CONFIG,
- 0, sizeof(bt_cmd_v2), &bt_cmd_v2);
- } else {
- memcpy(&bt_cmd_v1.basic, &basic,
- sizeof(basic));
- ret = iwl_dvm_send_cmd_pdu(priv, REPLY_BT_CONFIG,
- 0, sizeof(bt_cmd_v1), &bt_cmd_v1);
- }
- if (ret)
- IWL_ERR(priv, "failed to send BT Coex Config\n");
-
-}
-
-void iwlagn_bt_adjust_rssi_monitor(struct iwl_priv *priv, bool rssi_ena)
-{
- struct iwl_rxon_context *ctx, *found_ctx = NULL;
- bool found_ap = false;
-
- lockdep_assert_held(&priv->mutex);
-
- /* Check whether AP or GO mode is active. */
- 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 bool iwlagn_set_kill_msk(struct iwl_priv *priv,
- struct iwl_bt_uart_msg *uart_msg)
-{
- bool need_update = false;
- u8 kill_msk = IWL_BT_KILL_REDUCE;
- static const __le32 bt_kill_ack_msg[3] = {
- IWLAGN_BT_KILL_ACK_MASK_DEFAULT,
- IWLAGN_BT_KILL_ACK_CTS_MASK_SCO,
- IWLAGN_BT_KILL_ACK_CTS_MASK_REDUCE};
- static const __le32 bt_kill_cts_msg[3] = {
- IWLAGN_BT_KILL_CTS_MASK_DEFAULT,
- IWLAGN_BT_KILL_ACK_CTS_MASK_SCO,
- IWLAGN_BT_KILL_ACK_CTS_MASK_REDUCE};
-
- if (!priv->reduced_txpower)
- kill_msk = (BT_UART_MSG_FRAME3SCOESCO_MSK & uart_msg->frame3)
- ? IWL_BT_KILL_OVERRIDE : IWL_BT_KILL_DEFAULT;
- 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];
- need_update = true;
- }
- return need_update;
-}
-
-/*
- * Upon RSSI changes, sends a bt config command with following changes
- * 1. enable/disable "reduced control frames tx power
- * 2. update the "kill)ack_mask" and "kill_cts_mask"
- *
- * If "reduced tx power" is enabled, uCode shall
- * 1. ACK/Back/CTS rate shall reduced to 6Mbps
- * 2. not use duplciate 20/40MHz mode
- */
-static bool iwlagn_fill_txpower_mode(struct iwl_priv *priv,
- struct iwl_bt_uart_msg *uart_msg)
-{
- bool need_update = false;
- struct iwl_rxon_context *ctx = &priv->contexts[IWL_RXON_CTX_BSS];
- int ave_rssi;
-
- if (!ctx->vif || (ctx->vif->type != NL80211_IFTYPE_STATION)) {
- IWL_DEBUG_INFO(priv, "BSS ctx not active or not in sta mode\n");
- return false;
- }
-
- ave_rssi = ieee80211_ave_rssi(ctx->vif);
- if (!ave_rssi) {
- /* no rssi data, no changes to reduce tx power */
- IWL_DEBUG_COEX(priv, "no rssi data available\n");
- return need_update;
- }
- if (!priv->reduced_txpower &&
- !iwl_is_associated(priv, IWL_RXON_CTX_PAN) &&
- (ave_rssi > BT_ENABLE_REDUCED_TXPOWER_THRESHOLD) &&
- (uart_msg->frame3 & (BT_UART_MSG_FRAME3ACL_MSK |
- BT_UART_MSG_FRAME3OBEX_MSK)) &&
- !(uart_msg->frame3 & (BT_UART_MSG_FRAME3SCOESCO_MSK |
- BT_UART_MSG_FRAME3SNIFF_MSK | BT_UART_MSG_FRAME3A2DP_MSK))) {
- /* enabling reduced tx power */
- priv->reduced_txpower = true;
- priv->bt_valid |= IWLAGN_BT_VALID_REDUCED_TX_PWR;
- need_update = true;
- } else if (priv->reduced_txpower &&
- (iwl_is_associated(priv, IWL_RXON_CTX_PAN) ||
- (ave_rssi < BT_DISABLE_REDUCED_TXPOWER_THRESHOLD) ||
- (uart_msg->frame3 & (BT_UART_MSG_FRAME3SCOESCO_MSK |
- BT_UART_MSG_FRAME3SNIFF_MSK | BT_UART_MSG_FRAME3A2DP_MSK)) ||
- !(uart_msg->frame3 & (BT_UART_MSG_FRAME3ACL_MSK |
- BT_UART_MSG_FRAME3OBEX_MSK)))) {
- /* disable reduced tx power */
- priv->reduced_txpower = false;
- priv->bt_valid |= IWLAGN_BT_VALID_REDUCED_TX_PWR;
- need_update = true;
- }
-
- return need_update;
-}
-
-static void iwlagn_bt_coex_profile_notif(struct iwl_priv *priv,
- struct iwl_rx_cmd_buffer *rxb)
-{
- 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;
- }
-
- 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);
- }
- }
-
- /* schedule to send runtime bt_config */
- /* check reduce power before change ack/cts kill mask */
- if (iwlagn_fill_txpower_mode(priv, uart_msg) ||
- iwlagn_set_kill_msk(priv, uart_msg))
- queue_work(priv->workqueue, &priv->bt_runtime_config);
-
-
- /* FIXME: based on notification, adjust the prio_boost */
-
- priv->bt_ci_compliance = coex->bt_ci_compliance;
-}
-
-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->lib->bt_params &&
- priv->lib->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->nvm_data->valid_rx_ant;
-
- if (priv->lib->bt_params &&
- priv->lib->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[i].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,
- };
- 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 = {
- /*
- * Program the minimum sleep time to 10 seconds, as many
- * platforms have issues processing a wakeup signal while
- * still being in the process of suspending.
- */
- .min_sleep_time = cpu_to_le32(10 * 1000 * 1000),
- };
- 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 (!iwlwifi_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,
- .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,
- 0, 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,
- 0, sizeof(kek_kck_cmd),
- &kek_kck_cmd);
- if (ret)
- goto out;
- }
- }
-
- ret = iwl_dvm_send_cmd_pdu(priv, REPLY_D3_CONFIG, 0,
- sizeof(d3_cfg_cmd), &d3_cfg_cmd);
- if (ret)
- goto out;
-
- ret = iwl_dvm_send_cmd_pdu(priv, REPLY_WOWLAN_WAKEUP_FILTER,
- 0, 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;
- }
-
- /*
- * This can happen upon FW ASSERT: we clear the STATUS_FW_ERROR flag
- * in iwl_down but cancel the workers only later.
- */
- if (!priv->ucode_loaded) {
- IWL_ERR(priv, "Fw not loaded - dropping CMD: %x\n", 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_ASYNC))
- lockdep_assert_held(&priv->mutex);
-
- 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);
-}
projects / cascardo / linux.git / blobdiff