diff options
Diffstat (limited to 'ANDROID_3.4.5/drivers/net/wireless/iwlwifi/iwl-agn-lib.c')
| -rw-r--r-- | ANDROID_3.4.5/drivers/net/wireless/iwlwifi/iwl-agn-lib.c | 1329 |
1 files changed, 0 insertions, 1329 deletions
diff --git a/ANDROID_3.4.5/drivers/net/wireless/iwlwifi/iwl-agn-lib.c b/ANDROID_3.4.5/drivers/net/wireless/iwlwifi/iwl-agn-lib.c deleted file mode 100644 index 56f41c94..00000000 --- a/ANDROID_3.4.5/drivers/net/wireless/iwlwifi/iwl-agn-lib.c +++ /dev/null @@ -1,1329 +0,0 @@ -/****************************************************************************** - * - * GPL LICENSE SUMMARY - * - * Copyright(c) 2008 - 2012 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 LICENSE.GPL. - * - * 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/init.h> -#include <linux/sched.h> - -#include "iwl-dev.h" -#include "iwl-core.h" -#include "iwl-io.h" -#include "iwl-agn-hw.h" -#include "iwl-agn.h" -#include "iwl-trans.h" -#include "iwl-shared.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 (priv->tx_power_lmt_in_half_dbm && - priv->tx_power_lmt_in_half_dbm < tx_power_cmd.global_lmt) { - /* - * 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->tx_power_lmt_in_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, CMD_SYNC, - 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); -} - -u16 iwl_eeprom_calib_version(struct iwl_shared *shrd) -{ - struct iwl_eeprom_calib_hdr *hdr; - - hdr = (struct iwl_eeprom_calib_hdr *)iwl_eeprom_query_addr(shrd, - EEPROM_CALIB_ALL); - return hdr->version; - -} - -/* - * EEPROM - */ -static u32 eeprom_indirect_address(const struct iwl_shared *shrd, u32 address) -{ - u16 offset = 0; - - if ((address & INDIRECT_ADDRESS) == 0) - return address; - - switch (address & INDIRECT_TYPE_MSK) { - case INDIRECT_HOST: - offset = iwl_eeprom_query16(shrd, EEPROM_LINK_HOST); - break; - case INDIRECT_GENERAL: - offset = iwl_eeprom_query16(shrd, EEPROM_LINK_GENERAL); - break; - case INDIRECT_REGULATORY: - offset = iwl_eeprom_query16(shrd, EEPROM_LINK_REGULATORY); - break; - case INDIRECT_TXP_LIMIT: - offset = iwl_eeprom_query16(shrd, EEPROM_LINK_TXP_LIMIT); - break; - case INDIRECT_TXP_LIMIT_SIZE: - offset = iwl_eeprom_query16(shrd, EEPROM_LINK_TXP_LIMIT_SIZE); - break; - case INDIRECT_CALIBRATION: - offset = iwl_eeprom_query16(shrd, EEPROM_LINK_CALIBRATION); - break; - case INDIRECT_PROCESS_ADJST: - offset = iwl_eeprom_query16(shrd, EEPROM_LINK_PROCESS_ADJST); - break; - case INDIRECT_OTHERS: - offset = iwl_eeprom_query16(shrd, EEPROM_LINK_OTHERS); - break; - default: - IWL_ERR(shrd->trans, "illegal indirect type: 0x%X\n", - address & INDIRECT_TYPE_MSK); - break; - } - - /* translate the offset from words to byte */ - return (address & ADDRESS_MSK) + (offset << 1); -} - -const u8 *iwl_eeprom_query_addr(const struct iwl_shared *shrd, size_t offset) -{ - u32 address = eeprom_indirect_address(shrd, offset); - BUG_ON(address >= shrd->cfg->base_params->eeprom_size); - return &shrd->eeprom[address]; -} - -struct iwl_mod_params iwlagn_mod_params = { - .amsdu_size_8K = 1, - .restart_fw = 1, - .plcp_check = true, - .bt_coex_active = true, - .no_sleep_autoadjust = true, - .power_level = IWL_POWER_INDEX_1, - .bt_ch_announce = true, - .wanted_ucode_alternative = 1, - .auto_agg = true, - /* the rest are 0 by default */ -}; - -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, u16 flush_control) -{ - struct iwl_txfifo_flush_cmd flush_cmd; - struct iwl_host_cmd cmd = { - .id = REPLY_TXFIFO_FLUSH, - .len = { sizeof(struct iwl_txfifo_flush_cmd), }, - .flags = CMD_SYNC, - .data = { &flush_cmd, }, - }; - - might_sleep(); - - memset(&flush_cmd, 0, sizeof(flush_cmd)); - if (flush_control & BIT(IWL_RXON_CTX_BSS)) - flush_cmd.fifo_control = IWL_SCD_VO_MSK | IWL_SCD_VI_MSK | - IWL_SCD_BE_MSK | IWL_SCD_BK_MSK | - IWL_SCD_MGMT_MSK; - if ((flush_control & BIT(IWL_RXON_CTX_PAN)) && - (priv->shrd->valid_contexts != BIT(IWL_RXON_CTX_BSS))) - flush_cmd.fifo_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 (hw_params(priv).sku & EEPROM_SKU_CAP_11N_ENABLE) - flush_cmd.fifo_control |= IWL_AGG_TX_QUEUE_MSK; - - IWL_DEBUG_INFO(priv, "fifo queue control: 0X%x\n", - flush_cmd.fifo_control); - flush_cmd.flush_control = cpu_to_le16(flush_control); - - return iwl_dvm_send_cmd(priv, &cmd); -} - -void iwlagn_dev_txfifo_flush(struct iwl_priv *priv, u16 flush_control) -{ - mutex_lock(&priv->mutex); - ieee80211_stop_queues(priv->hw); - if (iwlagn_txfifo_flush(priv, IWL_DROP_ALL)) { - 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(trans(priv)); -done: - ieee80211_wake_queues(priv->hw); - mutex_unlock(&priv->mutex); -} - -/* - * BT coex - */ -/* - * Macros to access the lookup table. - * - * The lookup table has 7 inputs: bt3_prio, bt3_txrx, bt_rf_act, wifi_req, -* wifi_prio, wifi_txrx and wifi_sh_ant_req. - * - * It has three outputs: WLAN_ACTIVE, WLAN_KILL and ANT_SWITCH - * - * The format is that "registers" 8 through 11 contain the WLAN_ACTIVE bits - * one after another in 32-bit registers, and "registers" 0 through 7 contain - * the WLAN_KILL and ANT_SWITCH bits interleaved (in that order). - * - * These macros encode that format. - */ -#define LUT_VALUE(bt3_prio, bt3_txrx, bt_rf_act, wifi_req, wifi_prio, \ - wifi_txrx, wifi_sh_ant_req) \ - (bt3_prio | (bt3_txrx << 1) | (bt_rf_act << 2) | (wifi_req << 3) | \ - (wifi_prio << 4) | (wifi_txrx << 5) | (wifi_sh_ant_req << 6)) - -#define LUT_PTA_WLAN_ACTIVE_OP(lut, op, val) \ - lut[8 + ((val) >> 5)] op (cpu_to_le32(BIT((val) & 0x1f))) -#define LUT_TEST_PTA_WLAN_ACTIVE(lut, bt3_prio, bt3_txrx, bt_rf_act, wifi_req, \ - wifi_prio, wifi_txrx, wifi_sh_ant_req) \ - (!!(LUT_PTA_WLAN_ACTIVE_OP(lut, &, LUT_VALUE(bt3_prio, bt3_txrx, \ - bt_rf_act, wifi_req, wifi_prio, wifi_txrx, \ - wifi_sh_ant_req)))) -#define LUT_SET_PTA_WLAN_ACTIVE(lut, bt3_prio, bt3_txrx, bt_rf_act, wifi_req, \ - wifi_prio, wifi_txrx, wifi_sh_ant_req) \ - LUT_PTA_WLAN_ACTIVE_OP(lut, |=, LUT_VALUE(bt3_prio, bt3_txrx, \ - bt_rf_act, wifi_req, wifi_prio, wifi_txrx, \ - wifi_sh_ant_req)) -#define LUT_CLEAR_PTA_WLAN_ACTIVE(lut, bt3_prio, bt3_txrx, bt_rf_act, \ - wifi_req, wifi_prio, wifi_txrx, \ - wifi_sh_ant_req) \ - LUT_PTA_WLAN_ACTIVE_OP(lut, &= ~, LUT_VALUE(bt3_prio, bt3_txrx, \ - bt_rf_act, wifi_req, wifi_prio, wifi_txrx, \ - wifi_sh_ant_req)) - -#define LUT_WLAN_KILL_OP(lut, op, val) \ - lut[(val) >> 4] op (cpu_to_le32(BIT(((val) << 1) & 0x1e))) -#define LUT_TEST_WLAN_KILL(lut, bt3_prio, bt3_txrx, bt_rf_act, wifi_req, \ - wifi_prio, wifi_txrx, wifi_sh_ant_req) \ - (!!(LUT_WLAN_KILL_OP(lut, &, LUT_VALUE(bt3_prio, bt3_txrx, bt_rf_act, \ - wifi_req, wifi_prio, wifi_txrx, wifi_sh_ant_req)))) -#define LUT_SET_WLAN_KILL(lut, bt3_prio, bt3_txrx, bt_rf_act, wifi_req, \ - wifi_prio, wifi_txrx, wifi_sh_ant_req) \ - LUT_WLAN_KILL_OP(lut, |=, LUT_VALUE(bt3_prio, bt3_txrx, bt_rf_act, \ - wifi_req, wifi_prio, wifi_txrx, wifi_sh_ant_req)) -#define LUT_CLEAR_WLAN_KILL(lut, bt3_prio, bt3_txrx, bt_rf_act, wifi_req, \ - wifi_prio, wifi_txrx, wifi_sh_ant_req) \ - LUT_WLAN_KILL_OP(lut, &= ~, LUT_VALUE(bt3_prio, bt3_txrx, bt_rf_act, \ - wifi_req, wifi_prio, wifi_txrx, wifi_sh_ant_req)) - -#define LUT_ANT_SWITCH_OP(lut, op, val) \ - lut[(val) >> 4] op (cpu_to_le32(BIT((((val) << 1) & 0x1e) + 1))) -#define LUT_TEST_ANT_SWITCH(lut, bt3_prio, bt3_txrx, bt_rf_act, wifi_req, \ - wifi_prio, wifi_txrx, wifi_sh_ant_req) \ - (!!(LUT_ANT_SWITCH_OP(lut, &, LUT_VALUE(bt3_prio, bt3_txrx, bt_rf_act, \ - wifi_req, wifi_prio, wifi_txrx, \ - wifi_sh_ant_req)))) -#define LUT_SET_ANT_SWITCH(lut, bt3_prio, bt3_txrx, bt_rf_act, wifi_req, \ - wifi_prio, wifi_txrx, wifi_sh_ant_req) \ - LUT_ANT_SWITCH_OP(lut, |=, LUT_VALUE(bt3_prio, bt3_txrx, bt_rf_act, \ - wifi_req, wifi_prio, wifi_txrx, wifi_sh_ant_req)) -#define LUT_CLEAR_ANT_SWITCH(lut, bt3_prio, bt3_txrx, bt_rf_act, wifi_req, \ - wifi_prio, wifi_txrx, wifi_sh_ant_req) \ - LUT_ANT_SWITCH_OP(lut, &= ~, LUT_VALUE(bt3_prio, bt3_txrx, bt_rf_act, \ - wifi_req, wifi_prio, wifi_txrx, wifi_sh_ant_req)) - -static const __le32 iwlagn_def_3w_lookup[12] = { - 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), -}; - -static const __le32 iwlagn_concurrent_lookup[12] = { - 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 iwl6000_bt_cmd bt_cmd_6000; - struct iwl2000_bt_cmd bt_cmd_2000; - int ret; - - BUILD_BUG_ON(sizeof(iwlagn_def_3w_lookup) != - sizeof(basic.bt3_lookup_table)); - - if (cfg(priv)->bt_params) { - if (cfg(priv)->bt_params->bt_session_2) { - bt_cmd_2000.prio_boost = cpu_to_le32( - cfg(priv)->bt_params->bt_prio_boost); - bt_cmd_2000.tx_prio_boost = 0; - bt_cmd_2000.rx_prio_boost = 0; - } else { - bt_cmd_6000.prio_boost = - cfg(priv)->bt_params->bt_prio_boost; - bt_cmd_6000.tx_prio_boost = 0; - bt_cmd_6000.rx_prio_boost = 0; - } - } else { - IWL_ERR(priv, "failed to construct BT Coex Config\n"); - return; - } - - basic.kill_ack_mask = priv->kill_ack_mask; - basic.kill_cts_mask = priv->kill_cts_mask; - 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 (!iwlagn_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 (cfg(priv)->bt_params->bt_session_2) { - memcpy(&bt_cmd_2000.basic, &basic, - sizeof(basic)); - ret = iwl_dvm_send_cmd_pdu(priv, REPLY_BT_CONFIG, - CMD_SYNC, sizeof(bt_cmd_2000), &bt_cmd_2000); - } else { - memcpy(&bt_cmd_6000.basic, &basic, - sizeof(basic)); - ret = iwl_dvm_send_cmd_pdu(priv, REPLY_BT_CONFIG, - CMD_SYNC, sizeof(bt_cmd_6000), &bt_cmd_6000); - } - 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", - (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", - (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", - (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", - (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", - (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", - (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", - (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 (cfg(priv)->bt_params && - cfg(priv)->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->shrd->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 = hw_params(priv).valid_rx_ant; - - if (cfg(priv)->bt_params && - cfg(priv)->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(trans(priv)); - - 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; - } - - /* - * 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(trans(priv), 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); -} |