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af4dc88c56
My previous patch for init calib cfg disable a set of calibration for both init and runtime which cause performance issue, Fix it Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
3526 lines
96 KiB
C
3526 lines
96 KiB
C
/******************************************************************************
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*
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* Copyright(c) 2003 - 2011 Intel Corporation. All rights reserved.
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*
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* Portions of this file are derived from the ipw3945 project, as well
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* as portions of the ieee80211 subsystem header files.
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*
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* This program is free software; you can redistribute it and/or modify it
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* 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 WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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* You should have received a copy of the GNU General Public License along with
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* this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA
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*
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* The full GNU General Public License is included in this distribution in the
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* file called LICENSE.
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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/kernel.h>
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#include <linux/module.h>
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#include <linux/init.h>
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#include <linux/slab.h>
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#include <linux/dma-mapping.h>
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#include <linux/delay.h>
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#include <linux/sched.h>
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#include <linux/skbuff.h>
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#include <linux/netdevice.h>
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#include <linux/firmware.h>
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#include <linux/etherdevice.h>
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#include <linux/if_arp.h>
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#include <net/mac80211.h>
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#include <asm/div64.h>
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#include "iwl-eeprom.h"
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#include "iwl-dev.h"
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#include "iwl-core.h"
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#include "iwl-io.h"
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#include "iwl-helpers.h"
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#include "iwl-sta.h"
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#include "iwl-agn-calib.h"
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#include "iwl-agn.h"
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#include "iwl-shared.h"
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#include "iwl-bus.h"
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#include "iwl-trans.h"
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/******************************************************************************
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*
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* module boiler plate
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*
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******************************************************************************/
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/*
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* module name, copyright, version, etc.
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*/
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#define DRV_DESCRIPTION "Intel(R) Wireless WiFi Link AGN driver for Linux"
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#ifdef CONFIG_IWLWIFI_DEBUG
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#define VD "d"
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#else
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#define VD
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#endif
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#define DRV_VERSION IWLWIFI_VERSION VD
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MODULE_DESCRIPTION(DRV_DESCRIPTION);
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MODULE_VERSION(DRV_VERSION);
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MODULE_AUTHOR(DRV_COPYRIGHT " " DRV_AUTHOR);
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MODULE_LICENSE("GPL");
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MODULE_ALIAS("iwlagn");
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void iwl_update_chain_flags(struct iwl_priv *priv)
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{
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struct iwl_rxon_context *ctx;
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for_each_context(priv, ctx) {
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iwlagn_set_rxon_chain(priv, ctx);
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if (ctx->active.rx_chain != ctx->staging.rx_chain)
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iwlagn_commit_rxon(priv, ctx);
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}
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}
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/* Parse the beacon frame to find the TIM element and set tim_idx & tim_size */
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static void iwl_set_beacon_tim(struct iwl_priv *priv,
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struct iwl_tx_beacon_cmd *tx_beacon_cmd,
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u8 *beacon, u32 frame_size)
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{
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u16 tim_idx;
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struct ieee80211_mgmt *mgmt = (struct ieee80211_mgmt *)beacon;
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/*
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* The index is relative to frame start but we start looking at the
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* variable-length part of the beacon.
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*/
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tim_idx = mgmt->u.beacon.variable - beacon;
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/* Parse variable-length elements of beacon to find WLAN_EID_TIM */
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while ((tim_idx < (frame_size - 2)) &&
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(beacon[tim_idx] != WLAN_EID_TIM))
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tim_idx += beacon[tim_idx+1] + 2;
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/* If TIM field was found, set variables */
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if ((tim_idx < (frame_size - 1)) && (beacon[tim_idx] == WLAN_EID_TIM)) {
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tx_beacon_cmd->tim_idx = cpu_to_le16(tim_idx);
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tx_beacon_cmd->tim_size = beacon[tim_idx+1];
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} else
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IWL_WARN(priv, "Unable to find TIM Element in beacon\n");
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}
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int iwlagn_send_beacon_cmd(struct iwl_priv *priv)
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{
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struct iwl_tx_beacon_cmd *tx_beacon_cmd;
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struct iwl_host_cmd cmd = {
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.id = REPLY_TX_BEACON,
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.flags = CMD_SYNC,
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};
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struct ieee80211_tx_info *info;
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u32 frame_size;
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u32 rate_flags;
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u32 rate;
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/*
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* We have to set up the TX command, the TX Beacon command, and the
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* beacon contents.
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*/
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lockdep_assert_held(&priv->shrd->mutex);
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if (!priv->beacon_ctx) {
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IWL_ERR(priv, "trying to build beacon w/o beacon context!\n");
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return 0;
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}
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if (WARN_ON(!priv->beacon_skb))
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return -EINVAL;
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/* Allocate beacon command */
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if (!priv->beacon_cmd)
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priv->beacon_cmd = kzalloc(sizeof(*tx_beacon_cmd), GFP_KERNEL);
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tx_beacon_cmd = priv->beacon_cmd;
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if (!tx_beacon_cmd)
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return -ENOMEM;
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frame_size = priv->beacon_skb->len;
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/* Set up TX command fields */
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tx_beacon_cmd->tx.len = cpu_to_le16((u16)frame_size);
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tx_beacon_cmd->tx.sta_id = priv->beacon_ctx->bcast_sta_id;
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tx_beacon_cmd->tx.stop_time.life_time = TX_CMD_LIFE_TIME_INFINITE;
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tx_beacon_cmd->tx.tx_flags = TX_CMD_FLG_SEQ_CTL_MSK |
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TX_CMD_FLG_TSF_MSK | TX_CMD_FLG_STA_RATE_MSK;
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/* Set up TX beacon command fields */
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iwl_set_beacon_tim(priv, tx_beacon_cmd, priv->beacon_skb->data,
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frame_size);
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/* Set up packet rate and flags */
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info = IEEE80211_SKB_CB(priv->beacon_skb);
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/*
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* Let's set up the rate at least somewhat correctly;
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* it will currently not actually be used by the uCode,
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* it uses the broadcast station's rate instead.
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*/
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if (info->control.rates[0].idx < 0 ||
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info->control.rates[0].flags & IEEE80211_TX_RC_MCS)
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rate = 0;
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else
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rate = info->control.rates[0].idx;
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priv->mgmt_tx_ant = iwl_toggle_tx_ant(priv, priv->mgmt_tx_ant,
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hw_params(priv).valid_tx_ant);
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rate_flags = iwl_ant_idx_to_flags(priv->mgmt_tx_ant);
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/* In mac80211, rates for 5 GHz start at 0 */
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if (info->band == IEEE80211_BAND_5GHZ)
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rate += IWL_FIRST_OFDM_RATE;
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else if (rate >= IWL_FIRST_CCK_RATE && rate <= IWL_LAST_CCK_RATE)
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rate_flags |= RATE_MCS_CCK_MSK;
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tx_beacon_cmd->tx.rate_n_flags =
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iwl_hw_set_rate_n_flags(rate, rate_flags);
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/* Submit command */
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cmd.len[0] = sizeof(*tx_beacon_cmd);
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cmd.data[0] = tx_beacon_cmd;
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cmd.dataflags[0] = IWL_HCMD_DFL_NOCOPY;
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cmd.len[1] = frame_size;
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cmd.data[1] = priv->beacon_skb->data;
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cmd.dataflags[1] = IWL_HCMD_DFL_NOCOPY;
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return iwl_trans_send_cmd(trans(priv), &cmd);
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}
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static void iwl_bg_beacon_update(struct work_struct *work)
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{
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struct iwl_priv *priv =
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container_of(work, struct iwl_priv, beacon_update);
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struct sk_buff *beacon;
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mutex_lock(&priv->shrd->mutex);
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if (!priv->beacon_ctx) {
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IWL_ERR(priv, "updating beacon w/o beacon context!\n");
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goto out;
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}
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if (priv->beacon_ctx->vif->type != NL80211_IFTYPE_AP) {
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/*
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* The ucode will send beacon notifications even in
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* IBSS mode, but we don't want to process them. But
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* we need to defer the type check to here due to
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* requiring locking around the beacon_ctx access.
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*/
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goto out;
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}
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/* Pull updated AP beacon from mac80211. will fail if not in AP mode */
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beacon = ieee80211_beacon_get(priv->hw, priv->beacon_ctx->vif);
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if (!beacon) {
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IWL_ERR(priv, "update beacon failed -- keeping old\n");
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goto out;
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}
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/* new beacon skb is allocated every time; dispose previous.*/
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dev_kfree_skb(priv->beacon_skb);
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priv->beacon_skb = beacon;
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iwlagn_send_beacon_cmd(priv);
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out:
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mutex_unlock(&priv->shrd->mutex);
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}
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static void iwl_bg_bt_runtime_config(struct work_struct *work)
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{
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struct iwl_priv *priv =
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container_of(work, struct iwl_priv, bt_runtime_config);
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if (test_bit(STATUS_EXIT_PENDING, &priv->shrd->status))
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return;
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/* dont send host command if rf-kill is on */
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if (!iwl_is_ready_rf(priv->shrd))
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return;
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iwlagn_send_advance_bt_config(priv);
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}
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static void iwl_bg_bt_full_concurrency(struct work_struct *work)
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{
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struct iwl_priv *priv =
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container_of(work, struct iwl_priv, bt_full_concurrency);
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struct iwl_rxon_context *ctx;
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mutex_lock(&priv->shrd->mutex);
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if (test_bit(STATUS_EXIT_PENDING, &priv->shrd->status))
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goto out;
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/* dont send host command if rf-kill is on */
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if (!iwl_is_ready_rf(priv->shrd))
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goto out;
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IWL_DEBUG_INFO(priv, "BT coex in %s mode\n",
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priv->bt_full_concurrent ?
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"full concurrency" : "3-wire");
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/*
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* LQ & RXON updated cmds must be sent before BT Config cmd
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* to avoid 3-wire collisions
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*/
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for_each_context(priv, ctx) {
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iwlagn_set_rxon_chain(priv, ctx);
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iwlagn_commit_rxon(priv, ctx);
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}
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iwlagn_send_advance_bt_config(priv);
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out:
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mutex_unlock(&priv->shrd->mutex);
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}
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/**
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* iwl_bg_statistics_periodic - Timer callback to queue statistics
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*
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* This callback is provided in order to send a statistics request.
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*
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* This timer function is continually reset to execute within
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* REG_RECALIB_PERIOD seconds since the last STATISTICS_NOTIFICATION
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* was received. We need to ensure we receive the statistics in order
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* to update the temperature used for calibrating the TXPOWER.
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*/
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static void iwl_bg_statistics_periodic(unsigned long data)
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{
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struct iwl_priv *priv = (struct iwl_priv *)data;
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if (test_bit(STATUS_EXIT_PENDING, &priv->shrd->status))
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return;
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/* dont send host command if rf-kill is on */
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if (!iwl_is_ready_rf(priv->shrd))
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return;
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iwl_send_statistics_request(priv, CMD_ASYNC, false);
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}
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static void iwl_print_cont_event_trace(struct iwl_priv *priv, u32 base,
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u32 start_idx, u32 num_events,
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u32 mode)
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{
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u32 i;
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u32 ptr; /* SRAM byte address of log data */
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u32 ev, time, data; /* event log data */
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unsigned long reg_flags;
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if (mode == 0)
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ptr = base + (4 * sizeof(u32)) + (start_idx * 2 * sizeof(u32));
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else
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ptr = base + (4 * sizeof(u32)) + (start_idx * 3 * sizeof(u32));
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/* Make sure device is powered up for SRAM reads */
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spin_lock_irqsave(&bus(priv)->reg_lock, reg_flags);
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if (iwl_grab_nic_access(bus(priv))) {
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spin_unlock_irqrestore(&bus(priv)->reg_lock, reg_flags);
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return;
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}
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/* Set starting address; reads will auto-increment */
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iwl_write32(bus(priv), HBUS_TARG_MEM_RADDR, ptr);
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rmb();
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/*
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* "time" is actually "data" for mode 0 (no timestamp).
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* place event id # at far right for easier visual parsing.
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*/
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for (i = 0; i < num_events; i++) {
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ev = iwl_read32(bus(priv), HBUS_TARG_MEM_RDAT);
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time = iwl_read32(bus(priv), HBUS_TARG_MEM_RDAT);
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if (mode == 0) {
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trace_iwlwifi_dev_ucode_cont_event(priv,
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0, time, ev);
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} else {
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data = iwl_read32(bus(priv), HBUS_TARG_MEM_RDAT);
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trace_iwlwifi_dev_ucode_cont_event(priv,
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time, data, ev);
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}
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}
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/* Allow device to power down */
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iwl_release_nic_access(bus(priv));
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spin_unlock_irqrestore(&bus(priv)->reg_lock, reg_flags);
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}
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static void iwl_continuous_event_trace(struct iwl_priv *priv)
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{
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u32 capacity; /* event log capacity in # entries */
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u32 base; /* SRAM byte address of event log header */
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u32 mode; /* 0 - no timestamp, 1 - timestamp recorded */
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u32 num_wraps; /* # times uCode wrapped to top of log */
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u32 next_entry; /* index of next entry to be written by uCode */
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base = priv->device_pointers.error_event_table;
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if (iwlagn_hw_valid_rtc_data_addr(base)) {
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capacity = iwl_read_targ_mem(bus(priv), base);
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num_wraps = iwl_read_targ_mem(bus(priv),
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base + (2 * sizeof(u32)));
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mode = iwl_read_targ_mem(bus(priv), base + (1 * sizeof(u32)));
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next_entry = iwl_read_targ_mem(bus(priv),
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base + (3 * sizeof(u32)));
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} else
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return;
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if (num_wraps == priv->event_log.num_wraps) {
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iwl_print_cont_event_trace(priv,
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base, priv->event_log.next_entry,
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next_entry - priv->event_log.next_entry,
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mode);
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priv->event_log.non_wraps_count++;
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} else {
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if ((num_wraps - priv->event_log.num_wraps) > 1)
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priv->event_log.wraps_more_count++;
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else
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priv->event_log.wraps_once_count++;
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trace_iwlwifi_dev_ucode_wrap_event(priv,
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num_wraps - priv->event_log.num_wraps,
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next_entry, priv->event_log.next_entry);
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if (next_entry < priv->event_log.next_entry) {
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iwl_print_cont_event_trace(priv, base,
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priv->event_log.next_entry,
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capacity - priv->event_log.next_entry,
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mode);
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iwl_print_cont_event_trace(priv, base, 0,
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next_entry, mode);
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} else {
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iwl_print_cont_event_trace(priv, base,
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next_entry, capacity - next_entry,
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mode);
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iwl_print_cont_event_trace(priv, base, 0,
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next_entry, mode);
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}
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}
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priv->event_log.num_wraps = num_wraps;
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priv->event_log.next_entry = next_entry;
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}
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/**
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* iwl_bg_ucode_trace - Timer callback to log ucode event
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*
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* The timer is continually set to execute every
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* UCODE_TRACE_PERIOD milliseconds after the last timer expired
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* this function is to perform continuous uCode event logging operation
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* if enabled
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*/
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static void iwl_bg_ucode_trace(unsigned long data)
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{
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struct iwl_priv *priv = (struct iwl_priv *)data;
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if (test_bit(STATUS_EXIT_PENDING, &priv->shrd->status))
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return;
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if (priv->event_log.ucode_trace) {
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iwl_continuous_event_trace(priv);
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/* Reschedule the timer to occur in UCODE_TRACE_PERIOD */
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mod_timer(&priv->ucode_trace,
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jiffies + msecs_to_jiffies(UCODE_TRACE_PERIOD));
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}
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}
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|
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static void iwl_bg_tx_flush(struct work_struct *work)
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{
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struct iwl_priv *priv =
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container_of(work, struct iwl_priv, tx_flush);
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|
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if (test_bit(STATUS_EXIT_PENDING, &priv->shrd->status))
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return;
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|
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/* do nothing if rf-kill is on */
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if (!iwl_is_ready_rf(priv->shrd))
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return;
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|
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IWL_DEBUG_INFO(priv, "device request: flush all tx frames\n");
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iwlagn_dev_txfifo_flush(priv, IWL_DROP_ALL);
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}
|
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|
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/******************************************************************************
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|
*
|
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* uCode download functions
|
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*
|
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******************************************************************************/
|
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|
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static void iwl_free_fw_desc(struct iwl_priv *priv, struct fw_desc *desc)
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{
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if (desc->v_addr)
|
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dma_free_coherent(priv->bus->dev, desc->len,
|
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desc->v_addr, desc->p_addr);
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desc->v_addr = NULL;
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desc->len = 0;
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}
|
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|
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static void iwl_free_fw_img(struct iwl_priv *priv, struct fw_img *img)
|
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{
|
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iwl_free_fw_desc(priv, &img->code);
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iwl_free_fw_desc(priv, &img->data);
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}
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|
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static void iwl_dealloc_ucode(struct iwl_priv *priv)
|
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{
|
|
iwl_free_fw_img(priv, &priv->ucode_rt);
|
|
iwl_free_fw_img(priv, &priv->ucode_init);
|
|
iwl_free_fw_img(priv, &priv->ucode_wowlan);
|
|
}
|
|
|
|
static int iwl_alloc_fw_desc(struct iwl_priv *priv, struct fw_desc *desc,
|
|
const void *data, size_t len)
|
|
{
|
|
if (!len) {
|
|
desc->v_addr = NULL;
|
|
return -EINVAL;
|
|
}
|
|
|
|
desc->v_addr = dma_alloc_coherent(priv->bus->dev, len,
|
|
&desc->p_addr, GFP_KERNEL);
|
|
if (!desc->v_addr)
|
|
return -ENOMEM;
|
|
|
|
desc->len = len;
|
|
memcpy(desc->v_addr, data, len);
|
|
return 0;
|
|
}
|
|
|
|
static void iwl_init_context(struct iwl_priv *priv, u32 ucode_flags)
|
|
{
|
|
int i;
|
|
|
|
/*
|
|
* The default context is always valid,
|
|
* the PAN context depends on uCode.
|
|
*/
|
|
priv->shrd->valid_contexts = BIT(IWL_RXON_CTX_BSS);
|
|
if (ucode_flags & IWL_UCODE_TLV_FLAGS_PAN)
|
|
priv->shrd->valid_contexts |= BIT(IWL_RXON_CTX_PAN);
|
|
|
|
for (i = 0; i < NUM_IWL_RXON_CTX; i++)
|
|
priv->contexts[i].ctxid = i;
|
|
|
|
priv->contexts[IWL_RXON_CTX_BSS].always_active = true;
|
|
priv->contexts[IWL_RXON_CTX_BSS].is_active = true;
|
|
priv->contexts[IWL_RXON_CTX_BSS].rxon_cmd = REPLY_RXON;
|
|
priv->contexts[IWL_RXON_CTX_BSS].rxon_timing_cmd = REPLY_RXON_TIMING;
|
|
priv->contexts[IWL_RXON_CTX_BSS].rxon_assoc_cmd = REPLY_RXON_ASSOC;
|
|
priv->contexts[IWL_RXON_CTX_BSS].qos_cmd = REPLY_QOS_PARAM;
|
|
priv->contexts[IWL_RXON_CTX_BSS].ap_sta_id = IWL_AP_ID;
|
|
priv->contexts[IWL_RXON_CTX_BSS].wep_key_cmd = REPLY_WEPKEY;
|
|
priv->contexts[IWL_RXON_CTX_BSS].exclusive_interface_modes =
|
|
BIT(NL80211_IFTYPE_ADHOC);
|
|
priv->contexts[IWL_RXON_CTX_BSS].interface_modes =
|
|
BIT(NL80211_IFTYPE_STATION);
|
|
priv->contexts[IWL_RXON_CTX_BSS].ap_devtype = RXON_DEV_TYPE_AP;
|
|
priv->contexts[IWL_RXON_CTX_BSS].ibss_devtype = RXON_DEV_TYPE_IBSS;
|
|
priv->contexts[IWL_RXON_CTX_BSS].station_devtype = RXON_DEV_TYPE_ESS;
|
|
priv->contexts[IWL_RXON_CTX_BSS].unused_devtype = RXON_DEV_TYPE_ESS;
|
|
|
|
priv->contexts[IWL_RXON_CTX_PAN].rxon_cmd = REPLY_WIPAN_RXON;
|
|
priv->contexts[IWL_RXON_CTX_PAN].rxon_timing_cmd =
|
|
REPLY_WIPAN_RXON_TIMING;
|
|
priv->contexts[IWL_RXON_CTX_PAN].rxon_assoc_cmd =
|
|
REPLY_WIPAN_RXON_ASSOC;
|
|
priv->contexts[IWL_RXON_CTX_PAN].qos_cmd = REPLY_WIPAN_QOS_PARAM;
|
|
priv->contexts[IWL_RXON_CTX_PAN].ap_sta_id = IWL_AP_ID_PAN;
|
|
priv->contexts[IWL_RXON_CTX_PAN].wep_key_cmd = REPLY_WIPAN_WEPKEY;
|
|
priv->contexts[IWL_RXON_CTX_PAN].bcast_sta_id = IWLAGN_PAN_BCAST_ID;
|
|
priv->contexts[IWL_RXON_CTX_PAN].station_flags = STA_FLG_PAN_STATION;
|
|
priv->contexts[IWL_RXON_CTX_PAN].interface_modes =
|
|
BIT(NL80211_IFTYPE_STATION) | BIT(NL80211_IFTYPE_AP);
|
|
|
|
if (ucode_flags & IWL_UCODE_TLV_FLAGS_P2P)
|
|
priv->contexts[IWL_RXON_CTX_PAN].interface_modes |=
|
|
BIT(NL80211_IFTYPE_P2P_CLIENT) |
|
|
BIT(NL80211_IFTYPE_P2P_GO);
|
|
|
|
priv->contexts[IWL_RXON_CTX_PAN].ap_devtype = RXON_DEV_TYPE_CP;
|
|
priv->contexts[IWL_RXON_CTX_PAN].station_devtype = RXON_DEV_TYPE_2STA;
|
|
priv->contexts[IWL_RXON_CTX_PAN].unused_devtype = RXON_DEV_TYPE_P2P;
|
|
|
|
BUILD_BUG_ON(NUM_IWL_RXON_CTX != 2);
|
|
}
|
|
|
|
|
|
struct iwlagn_ucode_capabilities {
|
|
u32 max_probe_length;
|
|
u32 standard_phy_calibration_size;
|
|
u32 flags;
|
|
};
|
|
|
|
static void iwl_ucode_callback(const struct firmware *ucode_raw, void *context);
|
|
static int iwl_mac_setup_register(struct iwl_priv *priv,
|
|
struct iwlagn_ucode_capabilities *capa);
|
|
|
|
#define UCODE_EXPERIMENTAL_INDEX 100
|
|
#define UCODE_EXPERIMENTAL_TAG "exp"
|
|
|
|
static int __must_check iwl_request_firmware(struct iwl_priv *priv, bool first)
|
|
{
|
|
const char *name_pre = priv->cfg->fw_name_pre;
|
|
char tag[8];
|
|
|
|
if (first) {
|
|
#ifdef CONFIG_IWLWIFI_DEBUG_EXPERIMENTAL_UCODE
|
|
priv->fw_index = UCODE_EXPERIMENTAL_INDEX;
|
|
strcpy(tag, UCODE_EXPERIMENTAL_TAG);
|
|
} else if (priv->fw_index == UCODE_EXPERIMENTAL_INDEX) {
|
|
#endif
|
|
priv->fw_index = priv->cfg->ucode_api_max;
|
|
sprintf(tag, "%d", priv->fw_index);
|
|
} else {
|
|
priv->fw_index--;
|
|
sprintf(tag, "%d", priv->fw_index);
|
|
}
|
|
|
|
if (priv->fw_index < priv->cfg->ucode_api_min) {
|
|
IWL_ERR(priv, "no suitable firmware found!\n");
|
|
return -ENOENT;
|
|
}
|
|
|
|
sprintf(priv->firmware_name, "%s%s%s", name_pre, tag, ".ucode");
|
|
|
|
IWL_DEBUG_INFO(priv, "attempting to load firmware %s'%s'\n",
|
|
(priv->fw_index == UCODE_EXPERIMENTAL_INDEX)
|
|
? "EXPERIMENTAL " : "",
|
|
priv->firmware_name);
|
|
|
|
return request_firmware_nowait(THIS_MODULE, 1, priv->firmware_name,
|
|
priv->bus->dev,
|
|
GFP_KERNEL, priv, iwl_ucode_callback);
|
|
}
|
|
|
|
struct iwlagn_firmware_pieces {
|
|
const void *inst, *data, *init, *init_data, *wowlan_inst, *wowlan_data;
|
|
size_t inst_size, data_size, init_size, init_data_size,
|
|
wowlan_inst_size, wowlan_data_size;
|
|
|
|
u32 build;
|
|
|
|
u32 init_evtlog_ptr, init_evtlog_size, init_errlog_ptr;
|
|
u32 inst_evtlog_ptr, inst_evtlog_size, inst_errlog_ptr;
|
|
};
|
|
|
|
static int iwlagn_load_legacy_firmware(struct iwl_priv *priv,
|
|
const struct firmware *ucode_raw,
|
|
struct iwlagn_firmware_pieces *pieces)
|
|
{
|
|
struct iwl_ucode_header *ucode = (void *)ucode_raw->data;
|
|
u32 api_ver, hdr_size;
|
|
const u8 *src;
|
|
|
|
priv->ucode_ver = le32_to_cpu(ucode->ver);
|
|
api_ver = IWL_UCODE_API(priv->ucode_ver);
|
|
|
|
switch (api_ver) {
|
|
default:
|
|
hdr_size = 28;
|
|
if (ucode_raw->size < hdr_size) {
|
|
IWL_ERR(priv, "File size too small!\n");
|
|
return -EINVAL;
|
|
}
|
|
pieces->build = le32_to_cpu(ucode->u.v2.build);
|
|
pieces->inst_size = le32_to_cpu(ucode->u.v2.inst_size);
|
|
pieces->data_size = le32_to_cpu(ucode->u.v2.data_size);
|
|
pieces->init_size = le32_to_cpu(ucode->u.v2.init_size);
|
|
pieces->init_data_size = le32_to_cpu(ucode->u.v2.init_data_size);
|
|
src = ucode->u.v2.data;
|
|
break;
|
|
case 0:
|
|
case 1:
|
|
case 2:
|
|
hdr_size = 24;
|
|
if (ucode_raw->size < hdr_size) {
|
|
IWL_ERR(priv, "File size too small!\n");
|
|
return -EINVAL;
|
|
}
|
|
pieces->build = 0;
|
|
pieces->inst_size = le32_to_cpu(ucode->u.v1.inst_size);
|
|
pieces->data_size = le32_to_cpu(ucode->u.v1.data_size);
|
|
pieces->init_size = le32_to_cpu(ucode->u.v1.init_size);
|
|
pieces->init_data_size = le32_to_cpu(ucode->u.v1.init_data_size);
|
|
src = ucode->u.v1.data;
|
|
break;
|
|
}
|
|
|
|
/* Verify size of file vs. image size info in file's header */
|
|
if (ucode_raw->size != hdr_size + pieces->inst_size +
|
|
pieces->data_size + pieces->init_size +
|
|
pieces->init_data_size) {
|
|
|
|
IWL_ERR(priv,
|
|
"uCode file size %d does not match expected size\n",
|
|
(int)ucode_raw->size);
|
|
return -EINVAL;
|
|
}
|
|
|
|
pieces->inst = src;
|
|
src += pieces->inst_size;
|
|
pieces->data = src;
|
|
src += pieces->data_size;
|
|
pieces->init = src;
|
|
src += pieces->init_size;
|
|
pieces->init_data = src;
|
|
src += pieces->init_data_size;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int iwlagn_load_firmware(struct iwl_priv *priv,
|
|
const struct firmware *ucode_raw,
|
|
struct iwlagn_firmware_pieces *pieces,
|
|
struct iwlagn_ucode_capabilities *capa)
|
|
{
|
|
struct iwl_tlv_ucode_header *ucode = (void *)ucode_raw->data;
|
|
struct iwl_ucode_tlv *tlv;
|
|
size_t len = ucode_raw->size;
|
|
const u8 *data;
|
|
int wanted_alternative = iwlagn_mod_params.wanted_ucode_alternative;
|
|
int tmp;
|
|
u64 alternatives;
|
|
u32 tlv_len;
|
|
enum iwl_ucode_tlv_type tlv_type;
|
|
const u8 *tlv_data;
|
|
|
|
if (len < sizeof(*ucode)) {
|
|
IWL_ERR(priv, "uCode has invalid length: %zd\n", len);
|
|
return -EINVAL;
|
|
}
|
|
|
|
if (ucode->magic != cpu_to_le32(IWL_TLV_UCODE_MAGIC)) {
|
|
IWL_ERR(priv, "invalid uCode magic: 0X%x\n",
|
|
le32_to_cpu(ucode->magic));
|
|
return -EINVAL;
|
|
}
|
|
|
|
/*
|
|
* Check which alternatives are present, and "downgrade"
|
|
* when the chosen alternative is not present, warning
|
|
* the user when that happens. Some files may not have
|
|
* any alternatives, so don't warn in that case.
|
|
*/
|
|
alternatives = le64_to_cpu(ucode->alternatives);
|
|
tmp = wanted_alternative;
|
|
if (wanted_alternative > 63)
|
|
wanted_alternative = 63;
|
|
while (wanted_alternative && !(alternatives & BIT(wanted_alternative)))
|
|
wanted_alternative--;
|
|
if (wanted_alternative && wanted_alternative != tmp)
|
|
IWL_WARN(priv,
|
|
"uCode alternative %d not available, choosing %d\n",
|
|
tmp, wanted_alternative);
|
|
|
|
priv->ucode_ver = le32_to_cpu(ucode->ver);
|
|
pieces->build = le32_to_cpu(ucode->build);
|
|
data = ucode->data;
|
|
|
|
len -= sizeof(*ucode);
|
|
|
|
while (len >= sizeof(*tlv)) {
|
|
u16 tlv_alt;
|
|
|
|
len -= sizeof(*tlv);
|
|
tlv = (void *)data;
|
|
|
|
tlv_len = le32_to_cpu(tlv->length);
|
|
tlv_type = le16_to_cpu(tlv->type);
|
|
tlv_alt = le16_to_cpu(tlv->alternative);
|
|
tlv_data = tlv->data;
|
|
|
|
if (len < tlv_len) {
|
|
IWL_ERR(priv, "invalid TLV len: %zd/%u\n",
|
|
len, tlv_len);
|
|
return -EINVAL;
|
|
}
|
|
len -= ALIGN(tlv_len, 4);
|
|
data += sizeof(*tlv) + ALIGN(tlv_len, 4);
|
|
|
|
/*
|
|
* Alternative 0 is always valid.
|
|
*
|
|
* Skip alternative TLVs that are not selected.
|
|
*/
|
|
if (tlv_alt != 0 && tlv_alt != wanted_alternative)
|
|
continue;
|
|
|
|
switch (tlv_type) {
|
|
case IWL_UCODE_TLV_INST:
|
|
pieces->inst = tlv_data;
|
|
pieces->inst_size = tlv_len;
|
|
break;
|
|
case IWL_UCODE_TLV_DATA:
|
|
pieces->data = tlv_data;
|
|
pieces->data_size = tlv_len;
|
|
break;
|
|
case IWL_UCODE_TLV_INIT:
|
|
pieces->init = tlv_data;
|
|
pieces->init_size = tlv_len;
|
|
break;
|
|
case IWL_UCODE_TLV_INIT_DATA:
|
|
pieces->init_data = tlv_data;
|
|
pieces->init_data_size = tlv_len;
|
|
break;
|
|
case IWL_UCODE_TLV_BOOT:
|
|
IWL_ERR(priv, "Found unexpected BOOT ucode\n");
|
|
break;
|
|
case IWL_UCODE_TLV_PROBE_MAX_LEN:
|
|
if (tlv_len != sizeof(u32))
|
|
goto invalid_tlv_len;
|
|
capa->max_probe_length =
|
|
le32_to_cpup((__le32 *)tlv_data);
|
|
break;
|
|
case IWL_UCODE_TLV_PAN:
|
|
if (tlv_len)
|
|
goto invalid_tlv_len;
|
|
capa->flags |= IWL_UCODE_TLV_FLAGS_PAN;
|
|
break;
|
|
case IWL_UCODE_TLV_FLAGS:
|
|
/* must be at least one u32 */
|
|
if (tlv_len < sizeof(u32))
|
|
goto invalid_tlv_len;
|
|
/* and a proper number of u32s */
|
|
if (tlv_len % sizeof(u32))
|
|
goto invalid_tlv_len;
|
|
/*
|
|
* This driver only reads the first u32 as
|
|
* right now no more features are defined,
|
|
* if that changes then either the driver
|
|
* will not work with the new firmware, or
|
|
* it'll not take advantage of new features.
|
|
*/
|
|
capa->flags = le32_to_cpup((__le32 *)tlv_data);
|
|
break;
|
|
case IWL_UCODE_TLV_INIT_EVTLOG_PTR:
|
|
if (tlv_len != sizeof(u32))
|
|
goto invalid_tlv_len;
|
|
pieces->init_evtlog_ptr =
|
|
le32_to_cpup((__le32 *)tlv_data);
|
|
break;
|
|
case IWL_UCODE_TLV_INIT_EVTLOG_SIZE:
|
|
if (tlv_len != sizeof(u32))
|
|
goto invalid_tlv_len;
|
|
pieces->init_evtlog_size =
|
|
le32_to_cpup((__le32 *)tlv_data);
|
|
break;
|
|
case IWL_UCODE_TLV_INIT_ERRLOG_PTR:
|
|
if (tlv_len != sizeof(u32))
|
|
goto invalid_tlv_len;
|
|
pieces->init_errlog_ptr =
|
|
le32_to_cpup((__le32 *)tlv_data);
|
|
break;
|
|
case IWL_UCODE_TLV_RUNT_EVTLOG_PTR:
|
|
if (tlv_len != sizeof(u32))
|
|
goto invalid_tlv_len;
|
|
pieces->inst_evtlog_ptr =
|
|
le32_to_cpup((__le32 *)tlv_data);
|
|
break;
|
|
case IWL_UCODE_TLV_RUNT_EVTLOG_SIZE:
|
|
if (tlv_len != sizeof(u32))
|
|
goto invalid_tlv_len;
|
|
pieces->inst_evtlog_size =
|
|
le32_to_cpup((__le32 *)tlv_data);
|
|
break;
|
|
case IWL_UCODE_TLV_RUNT_ERRLOG_PTR:
|
|
if (tlv_len != sizeof(u32))
|
|
goto invalid_tlv_len;
|
|
pieces->inst_errlog_ptr =
|
|
le32_to_cpup((__le32 *)tlv_data);
|
|
break;
|
|
case IWL_UCODE_TLV_ENHANCE_SENS_TBL:
|
|
if (tlv_len)
|
|
goto invalid_tlv_len;
|
|
priv->enhance_sensitivity_table = true;
|
|
break;
|
|
case IWL_UCODE_TLV_WOWLAN_INST:
|
|
pieces->wowlan_inst = tlv_data;
|
|
pieces->wowlan_inst_size = tlv_len;
|
|
break;
|
|
case IWL_UCODE_TLV_WOWLAN_DATA:
|
|
pieces->wowlan_data = tlv_data;
|
|
pieces->wowlan_data_size = tlv_len;
|
|
break;
|
|
case IWL_UCODE_TLV_PHY_CALIBRATION_SIZE:
|
|
if (tlv_len != sizeof(u32))
|
|
goto invalid_tlv_len;
|
|
capa->standard_phy_calibration_size =
|
|
le32_to_cpup((__le32 *)tlv_data);
|
|
break;
|
|
default:
|
|
IWL_DEBUG_INFO(priv, "unknown TLV: %d\n", tlv_type);
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (len) {
|
|
IWL_ERR(priv, "invalid TLV after parsing: %zd\n", len);
|
|
iwl_print_hex_dump(priv, IWL_DL_FW, (u8 *)data, len);
|
|
return -EINVAL;
|
|
}
|
|
|
|
return 0;
|
|
|
|
invalid_tlv_len:
|
|
IWL_ERR(priv, "TLV %d has invalid size: %u\n", tlv_type, tlv_len);
|
|
iwl_print_hex_dump(priv, IWL_DL_FW, tlv_data, tlv_len);
|
|
|
|
return -EINVAL;
|
|
}
|
|
|
|
/**
|
|
* iwl_ucode_callback - callback when firmware was loaded
|
|
*
|
|
* If loaded successfully, copies the firmware into buffers
|
|
* for the card to fetch (via DMA).
|
|
*/
|
|
static void iwl_ucode_callback(const struct firmware *ucode_raw, void *context)
|
|
{
|
|
struct iwl_priv *priv = context;
|
|
struct iwl_ucode_header *ucode;
|
|
int err;
|
|
struct iwlagn_firmware_pieces pieces;
|
|
const unsigned int api_max = priv->cfg->ucode_api_max;
|
|
unsigned int api_ok = priv->cfg->ucode_api_ok;
|
|
const unsigned int api_min = priv->cfg->ucode_api_min;
|
|
u32 api_ver;
|
|
char buildstr[25];
|
|
u32 build;
|
|
struct iwlagn_ucode_capabilities ucode_capa = {
|
|
.max_probe_length = 200,
|
|
.standard_phy_calibration_size =
|
|
IWL_DEFAULT_STANDARD_PHY_CALIBRATE_TBL_SIZE,
|
|
};
|
|
|
|
if (!api_ok)
|
|
api_ok = api_max;
|
|
|
|
memset(&pieces, 0, sizeof(pieces));
|
|
|
|
if (!ucode_raw) {
|
|
if (priv->fw_index <= api_ok)
|
|
IWL_ERR(priv,
|
|
"request for firmware file '%s' failed.\n",
|
|
priv->firmware_name);
|
|
goto try_again;
|
|
}
|
|
|
|
IWL_DEBUG_INFO(priv, "Loaded firmware file '%s' (%zd bytes).\n",
|
|
priv->firmware_name, ucode_raw->size);
|
|
|
|
/* Make sure that we got at least the API version number */
|
|
if (ucode_raw->size < 4) {
|
|
IWL_ERR(priv, "File size way too small!\n");
|
|
goto try_again;
|
|
}
|
|
|
|
/* Data from ucode file: header followed by uCode images */
|
|
ucode = (struct iwl_ucode_header *)ucode_raw->data;
|
|
|
|
if (ucode->ver)
|
|
err = iwlagn_load_legacy_firmware(priv, ucode_raw, &pieces);
|
|
else
|
|
err = iwlagn_load_firmware(priv, ucode_raw, &pieces,
|
|
&ucode_capa);
|
|
|
|
if (err)
|
|
goto try_again;
|
|
|
|
api_ver = IWL_UCODE_API(priv->ucode_ver);
|
|
build = pieces.build;
|
|
|
|
/*
|
|
* api_ver should match the api version forming part of the
|
|
* firmware filename ... but we don't check for that and only rely
|
|
* on the API version read from firmware header from here on forward
|
|
*/
|
|
/* no api version check required for experimental uCode */
|
|
if (priv->fw_index != UCODE_EXPERIMENTAL_INDEX) {
|
|
if (api_ver < api_min || api_ver > api_max) {
|
|
IWL_ERR(priv,
|
|
"Driver unable to support your firmware API. "
|
|
"Driver supports v%u, firmware is v%u.\n",
|
|
api_max, api_ver);
|
|
goto try_again;
|
|
}
|
|
|
|
if (api_ver < api_ok) {
|
|
if (api_ok != api_max)
|
|
IWL_ERR(priv, "Firmware has old API version, "
|
|
"expected v%u through v%u, got v%u.\n",
|
|
api_ok, api_max, api_ver);
|
|
else
|
|
IWL_ERR(priv, "Firmware has old API version, "
|
|
"expected v%u, got v%u.\n",
|
|
api_max, api_ver);
|
|
IWL_ERR(priv, "New firmware can be obtained from "
|
|
"http://www.intellinuxwireless.org/.\n");
|
|
}
|
|
}
|
|
|
|
if (build)
|
|
sprintf(buildstr, " build %u%s", build,
|
|
(priv->fw_index == UCODE_EXPERIMENTAL_INDEX)
|
|
? " (EXP)" : "");
|
|
else
|
|
buildstr[0] = '\0';
|
|
|
|
IWL_INFO(priv, "loaded firmware version %u.%u.%u.%u%s\n",
|
|
IWL_UCODE_MAJOR(priv->ucode_ver),
|
|
IWL_UCODE_MINOR(priv->ucode_ver),
|
|
IWL_UCODE_API(priv->ucode_ver),
|
|
IWL_UCODE_SERIAL(priv->ucode_ver),
|
|
buildstr);
|
|
|
|
snprintf(priv->hw->wiphy->fw_version,
|
|
sizeof(priv->hw->wiphy->fw_version),
|
|
"%u.%u.%u.%u%s",
|
|
IWL_UCODE_MAJOR(priv->ucode_ver),
|
|
IWL_UCODE_MINOR(priv->ucode_ver),
|
|
IWL_UCODE_API(priv->ucode_ver),
|
|
IWL_UCODE_SERIAL(priv->ucode_ver),
|
|
buildstr);
|
|
|
|
/*
|
|
* For any of the failures below (before allocating pci memory)
|
|
* we will try to load a version with a smaller API -- maybe the
|
|
* user just got a corrupted version of the latest API.
|
|
*/
|
|
|
|
IWL_DEBUG_INFO(priv, "f/w package hdr ucode version raw = 0x%x\n",
|
|
priv->ucode_ver);
|
|
IWL_DEBUG_INFO(priv, "f/w package hdr runtime inst size = %Zd\n",
|
|
pieces.inst_size);
|
|
IWL_DEBUG_INFO(priv, "f/w package hdr runtime data size = %Zd\n",
|
|
pieces.data_size);
|
|
IWL_DEBUG_INFO(priv, "f/w package hdr init inst size = %Zd\n",
|
|
pieces.init_size);
|
|
IWL_DEBUG_INFO(priv, "f/w package hdr init data size = %Zd\n",
|
|
pieces.init_data_size);
|
|
|
|
/* Verify that uCode images will fit in card's SRAM */
|
|
if (pieces.inst_size > hw_params(priv).max_inst_size) {
|
|
IWL_ERR(priv, "uCode instr len %Zd too large to fit in\n",
|
|
pieces.inst_size);
|
|
goto try_again;
|
|
}
|
|
|
|
if (pieces.data_size > hw_params(priv).max_data_size) {
|
|
IWL_ERR(priv, "uCode data len %Zd too large to fit in\n",
|
|
pieces.data_size);
|
|
goto try_again;
|
|
}
|
|
|
|
if (pieces.init_size > hw_params(priv).max_inst_size) {
|
|
IWL_ERR(priv, "uCode init instr len %Zd too large to fit in\n",
|
|
pieces.init_size);
|
|
goto try_again;
|
|
}
|
|
|
|
if (pieces.init_data_size > hw_params(priv).max_data_size) {
|
|
IWL_ERR(priv, "uCode init data len %Zd too large to fit in\n",
|
|
pieces.init_data_size);
|
|
goto try_again;
|
|
}
|
|
|
|
/* Allocate ucode buffers for card's bus-master loading ... */
|
|
|
|
/* Runtime instructions and 2 copies of data:
|
|
* 1) unmodified from disk
|
|
* 2) backup cache for save/restore during power-downs */
|
|
if (iwl_alloc_fw_desc(priv, &priv->ucode_rt.code,
|
|
pieces.inst, pieces.inst_size))
|
|
goto err_pci_alloc;
|
|
if (iwl_alloc_fw_desc(priv, &priv->ucode_rt.data,
|
|
pieces.data, pieces.data_size))
|
|
goto err_pci_alloc;
|
|
|
|
/* Initialization instructions and data */
|
|
if (pieces.init_size && pieces.init_data_size) {
|
|
if (iwl_alloc_fw_desc(priv, &priv->ucode_init.code,
|
|
pieces.init, pieces.init_size))
|
|
goto err_pci_alloc;
|
|
if (iwl_alloc_fw_desc(priv, &priv->ucode_init.data,
|
|
pieces.init_data, pieces.init_data_size))
|
|
goto err_pci_alloc;
|
|
}
|
|
|
|
/* WoWLAN instructions and data */
|
|
if (pieces.wowlan_inst_size && pieces.wowlan_data_size) {
|
|
if (iwl_alloc_fw_desc(priv, &priv->ucode_wowlan.code,
|
|
pieces.wowlan_inst,
|
|
pieces.wowlan_inst_size))
|
|
goto err_pci_alloc;
|
|
if (iwl_alloc_fw_desc(priv, &priv->ucode_wowlan.data,
|
|
pieces.wowlan_data,
|
|
pieces.wowlan_data_size))
|
|
goto err_pci_alloc;
|
|
}
|
|
|
|
/* Now that we can no longer fail, copy information */
|
|
|
|
/*
|
|
* The (size - 16) / 12 formula is based on the information recorded
|
|
* for each event, which is of mode 1 (including timestamp) for all
|
|
* new microcodes that include this information.
|
|
*/
|
|
priv->init_evtlog_ptr = pieces.init_evtlog_ptr;
|
|
if (pieces.init_evtlog_size)
|
|
priv->init_evtlog_size = (pieces.init_evtlog_size - 16)/12;
|
|
else
|
|
priv->init_evtlog_size =
|
|
priv->cfg->base_params->max_event_log_size;
|
|
priv->init_errlog_ptr = pieces.init_errlog_ptr;
|
|
priv->inst_evtlog_ptr = pieces.inst_evtlog_ptr;
|
|
if (pieces.inst_evtlog_size)
|
|
priv->inst_evtlog_size = (pieces.inst_evtlog_size - 16)/12;
|
|
else
|
|
priv->inst_evtlog_size =
|
|
priv->cfg->base_params->max_event_log_size;
|
|
priv->inst_errlog_ptr = pieces.inst_errlog_ptr;
|
|
|
|
priv->new_scan_threshold_behaviour =
|
|
!!(ucode_capa.flags & IWL_UCODE_TLV_FLAGS_NEWSCAN);
|
|
|
|
if (!(priv->cfg->sku & EEPROM_SKU_CAP_IPAN_ENABLE))
|
|
ucode_capa.flags &= ~IWL_UCODE_TLV_FLAGS_PAN;
|
|
|
|
/*
|
|
* if not PAN, then don't support P2P -- might be a uCode
|
|
* packaging bug or due to the eeprom check above
|
|
*/
|
|
if (!(ucode_capa.flags & IWL_UCODE_TLV_FLAGS_PAN))
|
|
ucode_capa.flags &= ~IWL_UCODE_TLV_FLAGS_P2P;
|
|
|
|
if (ucode_capa.flags & IWL_UCODE_TLV_FLAGS_PAN) {
|
|
priv->sta_key_max_num = STA_KEY_MAX_NUM_PAN;
|
|
priv->shrd->cmd_queue = IWL_IPAN_CMD_QUEUE_NUM;
|
|
} else {
|
|
priv->sta_key_max_num = STA_KEY_MAX_NUM;
|
|
priv->shrd->cmd_queue = IWL_DEFAULT_CMD_QUEUE_NUM;
|
|
}
|
|
|
|
/*
|
|
* figure out the offset of chain noise reset and gain commands
|
|
* base on the size of standard phy calibration commands table size
|
|
*/
|
|
if (ucode_capa.standard_phy_calibration_size >
|
|
IWL_MAX_PHY_CALIBRATE_TBL_SIZE)
|
|
ucode_capa.standard_phy_calibration_size =
|
|
IWL_MAX_STANDARD_PHY_CALIBRATE_TBL_SIZE;
|
|
|
|
priv->phy_calib_chain_noise_reset_cmd =
|
|
ucode_capa.standard_phy_calibration_size;
|
|
priv->phy_calib_chain_noise_gain_cmd =
|
|
ucode_capa.standard_phy_calibration_size + 1;
|
|
|
|
/* initialize all valid contexts */
|
|
iwl_init_context(priv, ucode_capa.flags);
|
|
|
|
/**************************************************
|
|
* This is still part of probe() in a sense...
|
|
*
|
|
* 9. Setup and register with mac80211 and debugfs
|
|
**************************************************/
|
|
err = iwl_mac_setup_register(priv, &ucode_capa);
|
|
if (err)
|
|
goto out_unbind;
|
|
|
|
err = iwl_dbgfs_register(priv, DRV_NAME);
|
|
if (err)
|
|
IWL_ERR(priv, "failed to create debugfs files. Ignoring error: %d\n", err);
|
|
|
|
/* We have our copies now, allow OS release its copies */
|
|
release_firmware(ucode_raw);
|
|
complete(&priv->firmware_loading_complete);
|
|
return;
|
|
|
|
try_again:
|
|
/* try next, if any */
|
|
if (iwl_request_firmware(priv, false))
|
|
goto out_unbind;
|
|
release_firmware(ucode_raw);
|
|
return;
|
|
|
|
err_pci_alloc:
|
|
IWL_ERR(priv, "failed to allocate pci memory\n");
|
|
iwl_dealloc_ucode(priv);
|
|
out_unbind:
|
|
complete(&priv->firmware_loading_complete);
|
|
device_release_driver(priv->bus->dev);
|
|
release_firmware(ucode_raw);
|
|
}
|
|
|
|
static void iwl_rf_kill_ct_config(struct iwl_priv *priv)
|
|
{
|
|
struct iwl_ct_kill_config cmd;
|
|
struct iwl_ct_kill_throttling_config adv_cmd;
|
|
unsigned long flags;
|
|
int ret = 0;
|
|
|
|
spin_lock_irqsave(&priv->shrd->lock, flags);
|
|
iwl_write32(bus(priv), CSR_UCODE_DRV_GP1_CLR,
|
|
CSR_UCODE_DRV_GP1_REG_BIT_CT_KILL_EXIT);
|
|
spin_unlock_irqrestore(&priv->shrd->lock, flags);
|
|
priv->thermal_throttle.ct_kill_toggle = false;
|
|
|
|
if (priv->cfg->base_params->support_ct_kill_exit) {
|
|
adv_cmd.critical_temperature_enter =
|
|
cpu_to_le32(hw_params(priv).ct_kill_threshold);
|
|
adv_cmd.critical_temperature_exit =
|
|
cpu_to_le32(hw_params(priv).ct_kill_exit_threshold);
|
|
|
|
ret = iwl_trans_send_cmd_pdu(trans(priv),
|
|
REPLY_CT_KILL_CONFIG_CMD,
|
|
CMD_SYNC, sizeof(adv_cmd), &adv_cmd);
|
|
if (ret)
|
|
IWL_ERR(priv, "REPLY_CT_KILL_CONFIG_CMD failed\n");
|
|
else
|
|
IWL_DEBUG_INFO(priv, "REPLY_CT_KILL_CONFIG_CMD "
|
|
"succeeded, critical temperature enter is %d,"
|
|
"exit is %d\n",
|
|
hw_params(priv).ct_kill_threshold,
|
|
hw_params(priv).ct_kill_exit_threshold);
|
|
} else {
|
|
cmd.critical_temperature_R =
|
|
cpu_to_le32(hw_params(priv).ct_kill_threshold);
|
|
|
|
ret = iwl_trans_send_cmd_pdu(trans(priv),
|
|
REPLY_CT_KILL_CONFIG_CMD,
|
|
CMD_SYNC, sizeof(cmd), &cmd);
|
|
if (ret)
|
|
IWL_ERR(priv, "REPLY_CT_KILL_CONFIG_CMD failed\n");
|
|
else
|
|
IWL_DEBUG_INFO(priv, "REPLY_CT_KILL_CONFIG_CMD "
|
|
"succeeded, "
|
|
"critical temperature is %d\n",
|
|
hw_params(priv).ct_kill_threshold);
|
|
}
|
|
}
|
|
|
|
static int iwlagn_send_calib_cfg_rt(struct iwl_priv *priv, u32 cfg)
|
|
{
|
|
struct iwl_calib_cfg_cmd calib_cfg_cmd;
|
|
struct iwl_host_cmd cmd = {
|
|
.id = CALIBRATION_CFG_CMD,
|
|
.len = { sizeof(struct iwl_calib_cfg_cmd), },
|
|
.data = { &calib_cfg_cmd, },
|
|
};
|
|
|
|
memset(&calib_cfg_cmd, 0, sizeof(calib_cfg_cmd));
|
|
calib_cfg_cmd.ucd_calib_cfg.once.is_enable = IWL_CALIB_RT_CFG_ALL;
|
|
calib_cfg_cmd.ucd_calib_cfg.once.start = cpu_to_le32(cfg);
|
|
|
|
return iwl_trans_send_cmd(trans(priv), &cmd);
|
|
}
|
|
|
|
|
|
static int iwlagn_send_tx_ant_config(struct iwl_priv *priv, u8 valid_tx_ant)
|
|
{
|
|
struct iwl_tx_ant_config_cmd tx_ant_cmd = {
|
|
.valid = cpu_to_le32(valid_tx_ant),
|
|
};
|
|
|
|
if (IWL_UCODE_API(priv->ucode_ver) > 1) {
|
|
IWL_DEBUG_HC(priv, "select valid tx ant: %u\n", valid_tx_ant);
|
|
return iwl_trans_send_cmd_pdu(trans(priv),
|
|
TX_ANT_CONFIGURATION_CMD,
|
|
CMD_SYNC,
|
|
sizeof(struct iwl_tx_ant_config_cmd),
|
|
&tx_ant_cmd);
|
|
} else {
|
|
IWL_DEBUG_HC(priv, "TX_ANT_CONFIGURATION_CMD not supported\n");
|
|
return -EOPNOTSUPP;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* iwl_alive_start - called after REPLY_ALIVE notification received
|
|
* from protocol/runtime uCode (initialization uCode's
|
|
* Alive gets handled by iwl_init_alive_start()).
|
|
*/
|
|
int iwl_alive_start(struct iwl_priv *priv)
|
|
{
|
|
int ret = 0;
|
|
struct iwl_rxon_context *ctx = &priv->contexts[IWL_RXON_CTX_BSS];
|
|
|
|
/*TODO: this should go to the transport layer */
|
|
iwl_reset_ict(trans(priv));
|
|
|
|
IWL_DEBUG_INFO(priv, "Runtime Alive received.\n");
|
|
|
|
/* After the ALIVE response, we can send host commands to the uCode */
|
|
set_bit(STATUS_ALIVE, &priv->shrd->status);
|
|
|
|
/* Enable watchdog to monitor the driver tx queues */
|
|
iwl_setup_watchdog(priv);
|
|
|
|
if (iwl_is_rfkill(priv->shrd))
|
|
return -ERFKILL;
|
|
|
|
/* download priority table before any calibration request */
|
|
if (priv->cfg->bt_params &&
|
|
priv->cfg->bt_params->advanced_bt_coexist) {
|
|
/* Configure Bluetooth device coexistence support */
|
|
if (priv->cfg->bt_params->bt_sco_disable)
|
|
priv->bt_enable_pspoll = false;
|
|
else
|
|
priv->bt_enable_pspoll = true;
|
|
|
|
priv->bt_valid = IWLAGN_BT_ALL_VALID_MSK;
|
|
priv->kill_ack_mask = IWLAGN_BT_KILL_ACK_MASK_DEFAULT;
|
|
priv->kill_cts_mask = IWLAGN_BT_KILL_CTS_MASK_DEFAULT;
|
|
iwlagn_send_advance_bt_config(priv);
|
|
priv->bt_valid = IWLAGN_BT_VALID_ENABLE_FLAGS;
|
|
priv->cur_rssi_ctx = NULL;
|
|
|
|
iwlagn_send_prio_tbl(priv);
|
|
|
|
/* FIXME: w/a to force change uCode BT state machine */
|
|
ret = iwlagn_send_bt_env(priv, IWL_BT_COEX_ENV_OPEN,
|
|
BT_COEX_PRIO_TBL_EVT_INIT_CALIB2);
|
|
if (ret)
|
|
return ret;
|
|
ret = iwlagn_send_bt_env(priv, IWL_BT_COEX_ENV_CLOSE,
|
|
BT_COEX_PRIO_TBL_EVT_INIT_CALIB2);
|
|
if (ret)
|
|
return ret;
|
|
} else {
|
|
/*
|
|
* default is 2-wire BT coexexistence support
|
|
*/
|
|
iwl_send_bt_config(priv);
|
|
}
|
|
|
|
if (hw_params(priv).calib_rt_cfg)
|
|
iwlagn_send_calib_cfg_rt(priv,
|
|
hw_params(priv).calib_rt_cfg);
|
|
|
|
ieee80211_wake_queues(priv->hw);
|
|
|
|
priv->active_rate = IWL_RATES_MASK;
|
|
|
|
/* Configure Tx antenna selection based on H/W config */
|
|
iwlagn_send_tx_ant_config(priv, priv->cfg->valid_tx_ant);
|
|
|
|
if (iwl_is_associated_ctx(ctx) && !priv->shrd->wowlan) {
|
|
struct iwl_rxon_cmd *active_rxon =
|
|
(struct iwl_rxon_cmd *)&ctx->active;
|
|
/* apply any changes in staging */
|
|
ctx->staging.filter_flags |= RXON_FILTER_ASSOC_MSK;
|
|
active_rxon->filter_flags &= ~RXON_FILTER_ASSOC_MSK;
|
|
} else {
|
|
struct iwl_rxon_context *tmp;
|
|
/* Initialize our rx_config data */
|
|
for_each_context(priv, tmp)
|
|
iwl_connection_init_rx_config(priv, tmp);
|
|
|
|
iwlagn_set_rxon_chain(priv, ctx);
|
|
}
|
|
|
|
if (!priv->shrd->wowlan) {
|
|
/* WoWLAN ucode will not reply in the same way, skip it */
|
|
iwl_reset_run_time_calib(priv);
|
|
}
|
|
|
|
set_bit(STATUS_READY, &priv->shrd->status);
|
|
|
|
/* Configure the adapter for unassociated operation */
|
|
ret = iwlagn_commit_rxon(priv, ctx);
|
|
if (ret)
|
|
return ret;
|
|
|
|
/* At this point, the NIC is initialized and operational */
|
|
iwl_rf_kill_ct_config(priv);
|
|
|
|
IWL_DEBUG_INFO(priv, "ALIVE processing complete.\n");
|
|
|
|
return iwl_power_update_mode(priv, true);
|
|
}
|
|
|
|
static void iwl_cancel_deferred_work(struct iwl_priv *priv);
|
|
|
|
static void __iwl_down(struct iwl_priv *priv)
|
|
{
|
|
int exit_pending;
|
|
|
|
IWL_DEBUG_INFO(priv, DRV_NAME " is going down\n");
|
|
|
|
iwl_scan_cancel_timeout(priv, 200);
|
|
|
|
/*
|
|
* If active, scanning won't cancel it, so say it expired.
|
|
* No race since we hold the mutex here and a new one
|
|
* can't come in at this time.
|
|
*/
|
|
ieee80211_remain_on_channel_expired(priv->hw);
|
|
|
|
exit_pending =
|
|
test_and_set_bit(STATUS_EXIT_PENDING, &priv->shrd->status);
|
|
|
|
/* Stop TX queues watchdog. We need to have STATUS_EXIT_PENDING bit set
|
|
* to prevent rearm timer */
|
|
del_timer_sync(&priv->watchdog);
|
|
|
|
iwl_clear_ucode_stations(priv, NULL);
|
|
iwl_dealloc_bcast_stations(priv);
|
|
iwl_clear_driver_stations(priv);
|
|
|
|
/* reset BT coex data */
|
|
priv->bt_status = 0;
|
|
priv->cur_rssi_ctx = NULL;
|
|
priv->bt_is_sco = 0;
|
|
if (priv->cfg->bt_params)
|
|
priv->bt_traffic_load =
|
|
priv->cfg->bt_params->bt_init_traffic_load;
|
|
else
|
|
priv->bt_traffic_load = 0;
|
|
priv->bt_full_concurrent = false;
|
|
priv->bt_ci_compliance = 0;
|
|
|
|
/* Wipe out the EXIT_PENDING status bit if we are not actually
|
|
* exiting the module */
|
|
if (!exit_pending)
|
|
clear_bit(STATUS_EXIT_PENDING, &priv->shrd->status);
|
|
|
|
if (priv->mac80211_registered)
|
|
ieee80211_stop_queues(priv->hw);
|
|
|
|
iwl_trans_stop_device(trans(priv));
|
|
|
|
/* Clear out all status bits but a few that are stable across reset */
|
|
priv->shrd->status &=
|
|
test_bit(STATUS_RF_KILL_HW, &priv->shrd->status) <<
|
|
STATUS_RF_KILL_HW |
|
|
test_bit(STATUS_GEO_CONFIGURED, &priv->shrd->status) <<
|
|
STATUS_GEO_CONFIGURED |
|
|
test_bit(STATUS_FW_ERROR, &priv->shrd->status) <<
|
|
STATUS_FW_ERROR |
|
|
test_bit(STATUS_EXIT_PENDING, &priv->shrd->status) <<
|
|
STATUS_EXIT_PENDING;
|
|
|
|
dev_kfree_skb(priv->beacon_skb);
|
|
priv->beacon_skb = NULL;
|
|
}
|
|
|
|
static void iwl_down(struct iwl_priv *priv)
|
|
{
|
|
mutex_lock(&priv->shrd->mutex);
|
|
__iwl_down(priv);
|
|
mutex_unlock(&priv->shrd->mutex);
|
|
|
|
iwl_cancel_deferred_work(priv);
|
|
}
|
|
|
|
#define MAX_HW_RESTARTS 5
|
|
|
|
static int __iwl_up(struct iwl_priv *priv)
|
|
{
|
|
struct iwl_rxon_context *ctx;
|
|
int ret;
|
|
|
|
lockdep_assert_held(&priv->shrd->mutex);
|
|
|
|
if (test_bit(STATUS_EXIT_PENDING, &priv->shrd->status)) {
|
|
IWL_WARN(priv, "Exit pending; will not bring the NIC up\n");
|
|
return -EIO;
|
|
}
|
|
|
|
for_each_context(priv, ctx) {
|
|
ret = iwlagn_alloc_bcast_station(priv, ctx);
|
|
if (ret) {
|
|
iwl_dealloc_bcast_stations(priv);
|
|
return ret;
|
|
}
|
|
}
|
|
|
|
ret = iwlagn_run_init_ucode(priv);
|
|
if (ret) {
|
|
IWL_ERR(priv, "Failed to run INIT ucode: %d\n", ret);
|
|
goto error;
|
|
}
|
|
|
|
ret = iwlagn_load_ucode_wait_alive(priv,
|
|
&priv->ucode_rt,
|
|
IWL_UCODE_REGULAR);
|
|
if (ret) {
|
|
IWL_ERR(priv, "Failed to start RT ucode: %d\n", ret);
|
|
goto error;
|
|
}
|
|
|
|
ret = iwl_alive_start(priv);
|
|
if (ret)
|
|
goto error;
|
|
return 0;
|
|
|
|
error:
|
|
set_bit(STATUS_EXIT_PENDING, &priv->shrd->status);
|
|
__iwl_down(priv);
|
|
clear_bit(STATUS_EXIT_PENDING, &priv->shrd->status);
|
|
|
|
IWL_ERR(priv, "Unable to initialize device.\n");
|
|
return ret;
|
|
}
|
|
|
|
|
|
/*****************************************************************************
|
|
*
|
|
* Workqueue callbacks
|
|
*
|
|
*****************************************************************************/
|
|
|
|
static void iwl_bg_run_time_calib_work(struct work_struct *work)
|
|
{
|
|
struct iwl_priv *priv = container_of(work, struct iwl_priv,
|
|
run_time_calib_work);
|
|
|
|
mutex_lock(&priv->shrd->mutex);
|
|
|
|
if (test_bit(STATUS_EXIT_PENDING, &priv->shrd->status) ||
|
|
test_bit(STATUS_SCANNING, &priv->shrd->status)) {
|
|
mutex_unlock(&priv->shrd->mutex);
|
|
return;
|
|
}
|
|
|
|
if (priv->start_calib) {
|
|
iwl_chain_noise_calibration(priv);
|
|
iwl_sensitivity_calibration(priv);
|
|
}
|
|
|
|
mutex_unlock(&priv->shrd->mutex);
|
|
}
|
|
|
|
static void iwlagn_prepare_restart(struct iwl_priv *priv)
|
|
{
|
|
struct iwl_rxon_context *ctx;
|
|
bool bt_full_concurrent;
|
|
u8 bt_ci_compliance;
|
|
u8 bt_load;
|
|
u8 bt_status;
|
|
bool bt_is_sco;
|
|
|
|
lockdep_assert_held(&priv->shrd->mutex);
|
|
|
|
for_each_context(priv, ctx)
|
|
ctx->vif = NULL;
|
|
priv->is_open = 0;
|
|
|
|
/*
|
|
* __iwl_down() will clear the BT status variables,
|
|
* which is correct, but when we restart we really
|
|
* want to keep them so restore them afterwards.
|
|
*
|
|
* The restart process will later pick them up and
|
|
* re-configure the hw when we reconfigure the BT
|
|
* command.
|
|
*/
|
|
bt_full_concurrent = priv->bt_full_concurrent;
|
|
bt_ci_compliance = priv->bt_ci_compliance;
|
|
bt_load = priv->bt_traffic_load;
|
|
bt_status = priv->bt_status;
|
|
bt_is_sco = priv->bt_is_sco;
|
|
|
|
__iwl_down(priv);
|
|
|
|
priv->bt_full_concurrent = bt_full_concurrent;
|
|
priv->bt_ci_compliance = bt_ci_compliance;
|
|
priv->bt_traffic_load = bt_load;
|
|
priv->bt_status = bt_status;
|
|
priv->bt_is_sco = bt_is_sco;
|
|
}
|
|
|
|
static void iwl_bg_restart(struct work_struct *data)
|
|
{
|
|
struct iwl_priv *priv = container_of(data, struct iwl_priv, restart);
|
|
|
|
if (test_bit(STATUS_EXIT_PENDING, &priv->shrd->status))
|
|
return;
|
|
|
|
if (test_and_clear_bit(STATUS_FW_ERROR, &priv->shrd->status)) {
|
|
mutex_lock(&priv->shrd->mutex);
|
|
iwlagn_prepare_restart(priv);
|
|
mutex_unlock(&priv->shrd->mutex);
|
|
iwl_cancel_deferred_work(priv);
|
|
ieee80211_restart_hw(priv->hw);
|
|
} else {
|
|
WARN_ON(1);
|
|
}
|
|
}
|
|
|
|
/*****************************************************************************
|
|
*
|
|
* mac80211 entry point functions
|
|
*
|
|
*****************************************************************************/
|
|
|
|
static const struct ieee80211_iface_limit iwlagn_sta_ap_limits[] = {
|
|
{
|
|
.max = 1,
|
|
.types = BIT(NL80211_IFTYPE_STATION),
|
|
},
|
|
{
|
|
.max = 1,
|
|
.types = BIT(NL80211_IFTYPE_AP),
|
|
},
|
|
};
|
|
|
|
static const struct ieee80211_iface_limit iwlagn_2sta_limits[] = {
|
|
{
|
|
.max = 2,
|
|
.types = BIT(NL80211_IFTYPE_STATION),
|
|
},
|
|
};
|
|
|
|
static const struct ieee80211_iface_limit iwlagn_p2p_sta_go_limits[] = {
|
|
{
|
|
.max = 1,
|
|
.types = BIT(NL80211_IFTYPE_STATION),
|
|
},
|
|
{
|
|
.max = 1,
|
|
.types = BIT(NL80211_IFTYPE_P2P_GO) |
|
|
BIT(NL80211_IFTYPE_AP),
|
|
},
|
|
};
|
|
|
|
static const struct ieee80211_iface_limit iwlagn_p2p_2sta_limits[] = {
|
|
{
|
|
.max = 2,
|
|
.types = BIT(NL80211_IFTYPE_STATION),
|
|
},
|
|
{
|
|
.max = 1,
|
|
.types = BIT(NL80211_IFTYPE_P2P_CLIENT),
|
|
},
|
|
};
|
|
|
|
static const struct ieee80211_iface_combination
|
|
iwlagn_iface_combinations_dualmode[] = {
|
|
{ .num_different_channels = 1,
|
|
.max_interfaces = 2,
|
|
.beacon_int_infra_match = true,
|
|
.limits = iwlagn_sta_ap_limits,
|
|
.n_limits = ARRAY_SIZE(iwlagn_sta_ap_limits),
|
|
},
|
|
{ .num_different_channels = 1,
|
|
.max_interfaces = 2,
|
|
.limits = iwlagn_2sta_limits,
|
|
.n_limits = ARRAY_SIZE(iwlagn_2sta_limits),
|
|
},
|
|
};
|
|
|
|
static const struct ieee80211_iface_combination
|
|
iwlagn_iface_combinations_p2p[] = {
|
|
{ .num_different_channels = 1,
|
|
.max_interfaces = 2,
|
|
.beacon_int_infra_match = true,
|
|
.limits = iwlagn_p2p_sta_go_limits,
|
|
.n_limits = ARRAY_SIZE(iwlagn_p2p_sta_go_limits),
|
|
},
|
|
{ .num_different_channels = 1,
|
|
.max_interfaces = 2,
|
|
.limits = iwlagn_p2p_2sta_limits,
|
|
.n_limits = ARRAY_SIZE(iwlagn_p2p_2sta_limits),
|
|
},
|
|
};
|
|
|
|
/*
|
|
* Not a mac80211 entry point function, but it fits in with all the
|
|
* other mac80211 functions grouped here.
|
|
*/
|
|
static int iwl_mac_setup_register(struct iwl_priv *priv,
|
|
struct iwlagn_ucode_capabilities *capa)
|
|
{
|
|
int ret;
|
|
struct ieee80211_hw *hw = priv->hw;
|
|
struct iwl_rxon_context *ctx;
|
|
|
|
hw->rate_control_algorithm = "iwl-agn-rs";
|
|
|
|
/* Tell mac80211 our characteristics */
|
|
hw->flags = IEEE80211_HW_SIGNAL_DBM |
|
|
IEEE80211_HW_AMPDU_AGGREGATION |
|
|
IEEE80211_HW_NEED_DTIM_PERIOD |
|
|
IEEE80211_HW_SPECTRUM_MGMT |
|
|
IEEE80211_HW_REPORTS_TX_ACK_STATUS;
|
|
|
|
/*
|
|
* Including the following line will crash some AP's. This
|
|
* workaround removes the stimulus which causes the crash until
|
|
* the AP software can be fixed.
|
|
hw->max_tx_aggregation_subframes = LINK_QUAL_AGG_FRAME_LIMIT_DEF;
|
|
*/
|
|
|
|
hw->flags |= IEEE80211_HW_SUPPORTS_PS |
|
|
IEEE80211_HW_SUPPORTS_DYNAMIC_PS;
|
|
|
|
if (priv->cfg->sku & EEPROM_SKU_CAP_11N_ENABLE)
|
|
hw->flags |= IEEE80211_HW_SUPPORTS_DYNAMIC_SMPS |
|
|
IEEE80211_HW_SUPPORTS_STATIC_SMPS;
|
|
|
|
if (capa->flags & IWL_UCODE_TLV_FLAGS_MFP)
|
|
hw->flags |= IEEE80211_HW_MFP_CAPABLE;
|
|
|
|
hw->sta_data_size = sizeof(struct iwl_station_priv);
|
|
hw->vif_data_size = sizeof(struct iwl_vif_priv);
|
|
|
|
for_each_context(priv, ctx) {
|
|
hw->wiphy->interface_modes |= ctx->interface_modes;
|
|
hw->wiphy->interface_modes |= ctx->exclusive_interface_modes;
|
|
}
|
|
|
|
BUILD_BUG_ON(NUM_IWL_RXON_CTX != 2);
|
|
|
|
if (hw->wiphy->interface_modes & BIT(NL80211_IFTYPE_P2P_CLIENT)) {
|
|
hw->wiphy->iface_combinations = iwlagn_iface_combinations_p2p;
|
|
hw->wiphy->n_iface_combinations =
|
|
ARRAY_SIZE(iwlagn_iface_combinations_p2p);
|
|
} else if (hw->wiphy->interface_modes & BIT(NL80211_IFTYPE_AP)) {
|
|
hw->wiphy->iface_combinations = iwlagn_iface_combinations_dualmode;
|
|
hw->wiphy->n_iface_combinations =
|
|
ARRAY_SIZE(iwlagn_iface_combinations_dualmode);
|
|
}
|
|
|
|
hw->wiphy->max_remain_on_channel_duration = 1000;
|
|
|
|
hw->wiphy->flags |= WIPHY_FLAG_CUSTOM_REGULATORY |
|
|
WIPHY_FLAG_DISABLE_BEACON_HINTS |
|
|
WIPHY_FLAG_IBSS_RSN;
|
|
|
|
if (priv->ucode_wowlan.code.len && device_can_wakeup(priv->bus->dev)) {
|
|
hw->wiphy->wowlan.flags = WIPHY_WOWLAN_MAGIC_PKT |
|
|
WIPHY_WOWLAN_DISCONNECT |
|
|
WIPHY_WOWLAN_EAP_IDENTITY_REQ |
|
|
WIPHY_WOWLAN_RFKILL_RELEASE;
|
|
if (!iwlagn_mod_params.sw_crypto)
|
|
hw->wiphy->wowlan.flags |=
|
|
WIPHY_WOWLAN_SUPPORTS_GTK_REKEY |
|
|
WIPHY_WOWLAN_GTK_REKEY_FAILURE;
|
|
|
|
hw->wiphy->wowlan.n_patterns = IWLAGN_WOWLAN_MAX_PATTERNS;
|
|
hw->wiphy->wowlan.pattern_min_len =
|
|
IWLAGN_WOWLAN_MIN_PATTERN_LEN;
|
|
hw->wiphy->wowlan.pattern_max_len =
|
|
IWLAGN_WOWLAN_MAX_PATTERN_LEN;
|
|
}
|
|
|
|
if (iwlagn_mod_params.power_save)
|
|
hw->wiphy->flags |= WIPHY_FLAG_PS_ON_BY_DEFAULT;
|
|
else
|
|
hw->wiphy->flags &= ~WIPHY_FLAG_PS_ON_BY_DEFAULT;
|
|
|
|
hw->wiphy->max_scan_ssids = PROBE_OPTION_MAX;
|
|
/* we create the 802.11 header and a zero-length SSID element */
|
|
hw->wiphy->max_scan_ie_len = capa->max_probe_length - 24 - 2;
|
|
|
|
/* Default value; 4 EDCA QOS priorities */
|
|
hw->queues = 4;
|
|
|
|
hw->max_listen_interval = IWL_CONN_MAX_LISTEN_INTERVAL;
|
|
|
|
if (priv->bands[IEEE80211_BAND_2GHZ].n_channels)
|
|
priv->hw->wiphy->bands[IEEE80211_BAND_2GHZ] =
|
|
&priv->bands[IEEE80211_BAND_2GHZ];
|
|
if (priv->bands[IEEE80211_BAND_5GHZ].n_channels)
|
|
priv->hw->wiphy->bands[IEEE80211_BAND_5GHZ] =
|
|
&priv->bands[IEEE80211_BAND_5GHZ];
|
|
|
|
iwl_leds_init(priv);
|
|
|
|
ret = ieee80211_register_hw(priv->hw);
|
|
if (ret) {
|
|
IWL_ERR(priv, "Failed to register hw (error %d)\n", ret);
|
|
return ret;
|
|
}
|
|
priv->mac80211_registered = 1;
|
|
|
|
return 0;
|
|
}
|
|
|
|
|
|
static int iwlagn_mac_start(struct ieee80211_hw *hw)
|
|
{
|
|
struct iwl_priv *priv = hw->priv;
|
|
int ret;
|
|
|
|
IWL_DEBUG_MAC80211(priv, "enter\n");
|
|
|
|
/* we should be verifying the device is ready to be opened */
|
|
mutex_lock(&priv->shrd->mutex);
|
|
ret = __iwl_up(priv);
|
|
mutex_unlock(&priv->shrd->mutex);
|
|
if (ret)
|
|
return ret;
|
|
|
|
IWL_DEBUG_INFO(priv, "Start UP work done.\n");
|
|
|
|
/* Now we should be done, and the READY bit should be set. */
|
|
if (WARN_ON(!test_bit(STATUS_READY, &priv->shrd->status)))
|
|
ret = -EIO;
|
|
|
|
iwlagn_led_enable(priv);
|
|
|
|
priv->is_open = 1;
|
|
IWL_DEBUG_MAC80211(priv, "leave\n");
|
|
return 0;
|
|
}
|
|
|
|
static void iwlagn_mac_stop(struct ieee80211_hw *hw)
|
|
{
|
|
struct iwl_priv *priv = hw->priv;
|
|
|
|
IWL_DEBUG_MAC80211(priv, "enter\n");
|
|
|
|
if (!priv->is_open)
|
|
return;
|
|
|
|
priv->is_open = 0;
|
|
|
|
iwl_down(priv);
|
|
|
|
flush_workqueue(priv->shrd->workqueue);
|
|
|
|
/* User space software may expect getting rfkill changes
|
|
* even if interface is down */
|
|
iwl_write32(bus(priv), CSR_INT, 0xFFFFFFFF);
|
|
iwl_enable_rfkill_int(priv);
|
|
|
|
IWL_DEBUG_MAC80211(priv, "leave\n");
|
|
}
|
|
|
|
#ifdef CONFIG_PM_SLEEP
|
|
static 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_trans_send_cmd(trans(priv), &cmd);
|
|
kfree(pattern_cmd);
|
|
return err;
|
|
}
|
|
#endif
|
|
|
|
static void iwlagn_mac_set_rekey_data(struct ieee80211_hw *hw,
|
|
struct ieee80211_vif *vif,
|
|
struct cfg80211_gtk_rekey_data *data)
|
|
{
|
|
struct iwl_priv *priv = hw->priv;
|
|
|
|
if (iwlagn_mod_params.sw_crypto)
|
|
return;
|
|
|
|
mutex_lock(&priv->shrd->mutex);
|
|
|
|
if (priv->contexts[IWL_RXON_CTX_BSS].vif != vif)
|
|
goto out;
|
|
|
|
memcpy(priv->kek, data->kek, NL80211_KEK_LEN);
|
|
memcpy(priv->kck, data->kck, NL80211_KCK_LEN);
|
|
priv->replay_ctr = cpu_to_le64(be64_to_cpup((__be64 *)&data->replay_ctr));
|
|
priv->have_rekey_data = true;
|
|
|
|
out:
|
|
mutex_unlock(&priv->shrd->mutex);
|
|
}
|
|
|
|
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;
|
|
};
|
|
|
|
#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]);
|
|
}
|
|
|
|
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 = hw->priv;
|
|
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->shrd->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->shrd->mutex);
|
|
}
|
|
|
|
static int iwlagn_mac_suspend(struct ieee80211_hw *hw,
|
|
struct cfg80211_wowlan *wowlan)
|
|
{
|
|
struct iwl_priv *priv = hw->priv;
|
|
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 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;
|
|
|
|
if (WARN_ON(!wowlan))
|
|
return -EINVAL;
|
|
|
|
mutex_lock(&priv->shrd->mutex);
|
|
|
|
/* Don't attempt WoWLAN when not associated, tear down instead. */
|
|
if (!ctx->vif || ctx->vif->type != NL80211_IFTYPE_STATION ||
|
|
!iwl_is_associated_ctx(ctx)) {
|
|
ret = 1;
|
|
goto out;
|
|
}
|
|
|
|
key_data.rsc_tsc = kzalloc(sizeof(*key_data.rsc_tsc), GFP_KERNEL);
|
|
if (!key_data.rsc_tsc) {
|
|
ret = -ENOMEM;
|
|
goto out;
|
|
}
|
|
|
|
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 < 8; i++) {
|
|
seq = priv->shrd->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->rfkill_release)
|
|
wakeup_filter_cmd.enabled |=
|
|
cpu_to_le32(IWLAGN_WOWLAN_WAKEUP_RFKILL);
|
|
if (wowlan->n_patterns)
|
|
wakeup_filter_cmd.enabled |=
|
|
cpu_to_le32(IWLAGN_WOWLAN_WAKEUP_PATTERN_MATCH);
|
|
|
|
iwl_scan_cancel_timeout(priv, 200);
|
|
|
|
memcpy(&rxon, &ctx->active, sizeof(rxon));
|
|
|
|
iwl_trans_stop_device(trans(priv));
|
|
|
|
priv->shrd->wowlan = true;
|
|
|
|
ret = iwlagn_load_ucode_wait_alive(priv, &priv->ucode_wowlan,
|
|
IWL_UCODE_WOWLAN);
|
|
if (ret)
|
|
goto error;
|
|
|
|
/* now configure WoWLAN ucode */
|
|
ret = iwl_alive_start(priv);
|
|
if (ret)
|
|
goto error;
|
|
|
|
memcpy(&ctx->staging, &rxon, sizeof(rxon));
|
|
ret = iwlagn_commit_rxon(priv, ctx);
|
|
if (ret)
|
|
goto error;
|
|
|
|
ret = iwl_power_update_mode(priv, true);
|
|
if (ret)
|
|
goto error;
|
|
|
|
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->shrd->mutex);
|
|
ieee80211_iter_keys(priv->hw, ctx->vif,
|
|
iwlagn_wowlan_program_keys,
|
|
&key_data);
|
|
mutex_lock(&priv->shrd->mutex);
|
|
if (key_data.error) {
|
|
ret = -EIO;
|
|
goto error;
|
|
}
|
|
|
|
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_trans_send_cmd(trans(priv), &rsc_tsc_cmd);
|
|
if (ret)
|
|
goto error;
|
|
}
|
|
|
|
if (key_data.use_tkip) {
|
|
ret = iwl_trans_send_cmd_pdu(trans(priv),
|
|
REPLY_WOWLAN_TKIP_PARAMS,
|
|
CMD_SYNC, sizeof(tkip_cmd),
|
|
&tkip_cmd);
|
|
if (ret)
|
|
goto error;
|
|
}
|
|
|
|
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_trans_send_cmd_pdu(trans(priv),
|
|
REPLY_WOWLAN_KEK_KCK_MATERIAL,
|
|
CMD_SYNC, sizeof(kek_kck_cmd),
|
|
&kek_kck_cmd);
|
|
if (ret)
|
|
goto error;
|
|
}
|
|
}
|
|
|
|
ret = iwl_trans_send_cmd_pdu(trans(priv), REPLY_WOWLAN_WAKEUP_FILTER,
|
|
CMD_SYNC, sizeof(wakeup_filter_cmd),
|
|
&wakeup_filter_cmd);
|
|
if (ret)
|
|
goto error;
|
|
|
|
ret = iwlagn_send_patterns(priv, wowlan);
|
|
if (ret)
|
|
goto error;
|
|
|
|
device_set_wakeup_enable(priv->bus->dev, true);
|
|
|
|
/* Now let the ucode operate on its own */
|
|
iwl_write32(bus(priv), CSR_UCODE_DRV_GP1_SET,
|
|
CSR_UCODE_DRV_GP1_BIT_D3_CFG_COMPLETE);
|
|
|
|
goto out;
|
|
|
|
error:
|
|
priv->shrd->wowlan = false;
|
|
iwlagn_prepare_restart(priv);
|
|
ieee80211_restart_hw(priv->hw);
|
|
out:
|
|
mutex_unlock(&priv->shrd->mutex);
|
|
kfree(key_data.rsc_tsc);
|
|
return ret;
|
|
}
|
|
|
|
static int iwlagn_mac_resume(struct ieee80211_hw *hw)
|
|
{
|
|
struct iwl_priv *priv = hw->priv;
|
|
struct iwl_rxon_context *ctx = &priv->contexts[IWL_RXON_CTX_BSS];
|
|
struct ieee80211_vif *vif;
|
|
unsigned long flags;
|
|
u32 base, status = 0xffffffff;
|
|
int ret = -EIO;
|
|
|
|
mutex_lock(&priv->shrd->mutex);
|
|
|
|
iwl_write32(bus(priv), CSR_UCODE_DRV_GP1_CLR,
|
|
CSR_UCODE_DRV_GP1_BIT_D3_CFG_COMPLETE);
|
|
|
|
base = priv->device_pointers.error_event_table;
|
|
if (iwlagn_hw_valid_rtc_data_addr(base)) {
|
|
spin_lock_irqsave(&bus(priv)->reg_lock, flags);
|
|
ret = iwl_grab_nic_access_silent(bus(priv));
|
|
if (ret == 0) {
|
|
iwl_write32(bus(priv), HBUS_TARG_MEM_RADDR, base);
|
|
status = iwl_read32(bus(priv), HBUS_TARG_MEM_RDAT);
|
|
iwl_release_nic_access(bus(priv));
|
|
}
|
|
spin_unlock_irqrestore(&bus(priv)->reg_lock, flags);
|
|
|
|
#ifdef CONFIG_IWLWIFI_DEBUGFS
|
|
if (ret == 0) {
|
|
if (!priv->wowlan_sram)
|
|
priv->wowlan_sram =
|
|
kzalloc(priv->ucode_wowlan.data.len,
|
|
GFP_KERNEL);
|
|
|
|
if (priv->wowlan_sram)
|
|
_iwl_read_targ_mem_words(
|
|
bus(priv), 0x800000, priv->wowlan_sram,
|
|
priv->ucode_wowlan.data.len / 4);
|
|
}
|
|
#endif
|
|
}
|
|
|
|
/* we'll clear ctx->vif during iwlagn_prepare_restart() */
|
|
vif = ctx->vif;
|
|
|
|
priv->shrd->wowlan = false;
|
|
|
|
device_set_wakeup_enable(priv->bus->dev, false);
|
|
|
|
iwlagn_prepare_restart(priv);
|
|
|
|
memset((void *)&ctx->active, 0, sizeof(ctx->active));
|
|
iwl_connection_init_rx_config(priv, ctx);
|
|
iwlagn_set_rxon_chain(priv, ctx);
|
|
|
|
mutex_unlock(&priv->shrd->mutex);
|
|
|
|
ieee80211_resume_disconnect(vif);
|
|
|
|
return 1;
|
|
}
|
|
#endif
|
|
|
|
static void iwlagn_mac_tx(struct ieee80211_hw *hw, struct sk_buff *skb)
|
|
{
|
|
struct iwl_priv *priv = hw->priv;
|
|
|
|
IWL_DEBUG_MACDUMP(priv, "enter\n");
|
|
|
|
IWL_DEBUG_TX(priv, "dev->xmit(%d bytes) at rate 0x%02x\n", skb->len,
|
|
ieee80211_get_tx_rate(hw, IEEE80211_SKB_CB(skb))->bitrate);
|
|
|
|
if (iwlagn_tx_skb(priv, skb))
|
|
dev_kfree_skb_any(skb);
|
|
|
|
IWL_DEBUG_MACDUMP(priv, "leave\n");
|
|
}
|
|
|
|
static void iwlagn_mac_update_tkip_key(struct ieee80211_hw *hw,
|
|
struct ieee80211_vif *vif,
|
|
struct ieee80211_key_conf *keyconf,
|
|
struct ieee80211_sta *sta,
|
|
u32 iv32, u16 *phase1key)
|
|
{
|
|
struct iwl_priv *priv = hw->priv;
|
|
|
|
iwl_update_tkip_key(priv, vif, keyconf, sta, iv32, phase1key);
|
|
}
|
|
|
|
static int iwlagn_mac_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd,
|
|
struct ieee80211_vif *vif,
|
|
struct ieee80211_sta *sta,
|
|
struct ieee80211_key_conf *key)
|
|
{
|
|
struct iwl_priv *priv = hw->priv;
|
|
struct iwl_vif_priv *vif_priv = (void *)vif->drv_priv;
|
|
struct iwl_rxon_context *ctx = vif_priv->ctx;
|
|
int ret;
|
|
bool is_default_wep_key = false;
|
|
|
|
IWL_DEBUG_MAC80211(priv, "enter\n");
|
|
|
|
if (iwlagn_mod_params.sw_crypto) {
|
|
IWL_DEBUG_MAC80211(priv, "leave - hwcrypto disabled\n");
|
|
return -EOPNOTSUPP;
|
|
}
|
|
|
|
/*
|
|
* We could program these keys into the hardware as well, but we
|
|
* don't expect much multicast traffic in IBSS and having keys
|
|
* for more stations is probably more useful.
|
|
*
|
|
* Mark key TX-only and return 0.
|
|
*/
|
|
if (vif->type == NL80211_IFTYPE_ADHOC &&
|
|
!(key->flags & IEEE80211_KEY_FLAG_PAIRWISE)) {
|
|
key->hw_key_idx = WEP_INVALID_OFFSET;
|
|
return 0;
|
|
}
|
|
|
|
/* If they key was TX-only, accept deletion */
|
|
if (cmd == DISABLE_KEY && key->hw_key_idx == WEP_INVALID_OFFSET)
|
|
return 0;
|
|
|
|
mutex_lock(&priv->shrd->mutex);
|
|
iwl_scan_cancel_timeout(priv, 100);
|
|
|
|
BUILD_BUG_ON(WEP_INVALID_OFFSET == IWLAGN_HW_KEY_DEFAULT);
|
|
|
|
/*
|
|
* If we are getting WEP group key and we didn't receive any key mapping
|
|
* so far, we are in legacy wep mode (group key only), otherwise we are
|
|
* in 1X mode.
|
|
* In legacy wep mode, we use another host command to the uCode.
|
|
*/
|
|
if ((key->cipher == WLAN_CIPHER_SUITE_WEP40 ||
|
|
key->cipher == WLAN_CIPHER_SUITE_WEP104) && !sta) {
|
|
if (cmd == SET_KEY)
|
|
is_default_wep_key = !ctx->key_mapping_keys;
|
|
else
|
|
is_default_wep_key =
|
|
key->hw_key_idx == IWLAGN_HW_KEY_DEFAULT;
|
|
}
|
|
|
|
|
|
switch (cmd) {
|
|
case SET_KEY:
|
|
if (is_default_wep_key) {
|
|
ret = iwl_set_default_wep_key(priv, vif_priv->ctx, key);
|
|
break;
|
|
}
|
|
ret = iwl_set_dynamic_key(priv, vif_priv->ctx, key, sta);
|
|
if (ret) {
|
|
/*
|
|
* can't add key for RX, but we don't need it
|
|
* in the device for TX so still return 0
|
|
*/
|
|
ret = 0;
|
|
key->hw_key_idx = WEP_INVALID_OFFSET;
|
|
}
|
|
|
|
IWL_DEBUG_MAC80211(priv, "enable hwcrypto key\n");
|
|
break;
|
|
case DISABLE_KEY:
|
|
if (is_default_wep_key)
|
|
ret = iwl_remove_default_wep_key(priv, ctx, key);
|
|
else
|
|
ret = iwl_remove_dynamic_key(priv, ctx, key, sta);
|
|
|
|
IWL_DEBUG_MAC80211(priv, "disable hwcrypto key\n");
|
|
break;
|
|
default:
|
|
ret = -EINVAL;
|
|
}
|
|
|
|
mutex_unlock(&priv->shrd->mutex);
|
|
IWL_DEBUG_MAC80211(priv, "leave\n");
|
|
|
|
return ret;
|
|
}
|
|
|
|
static int iwlagn_mac_ampdu_action(struct ieee80211_hw *hw,
|
|
struct ieee80211_vif *vif,
|
|
enum ieee80211_ampdu_mlme_action action,
|
|
struct ieee80211_sta *sta, u16 tid, u16 *ssn,
|
|
u8 buf_size)
|
|
{
|
|
struct iwl_priv *priv = hw->priv;
|
|
int ret = -EINVAL;
|
|
struct iwl_station_priv *sta_priv = (void *) sta->drv_priv;
|
|
struct iwl_rxon_context *ctx = iwl_rxon_ctx_from_vif(vif);
|
|
|
|
IWL_DEBUG_HT(priv, "A-MPDU action on addr %pM tid %d\n",
|
|
sta->addr, tid);
|
|
|
|
if (!(priv->cfg->sku & EEPROM_SKU_CAP_11N_ENABLE))
|
|
return -EACCES;
|
|
|
|
mutex_lock(&priv->shrd->mutex);
|
|
|
|
switch (action) {
|
|
case IEEE80211_AMPDU_RX_START:
|
|
IWL_DEBUG_HT(priv, "start Rx\n");
|
|
ret = iwl_sta_rx_agg_start(priv, sta, tid, *ssn);
|
|
break;
|
|
case IEEE80211_AMPDU_RX_STOP:
|
|
IWL_DEBUG_HT(priv, "stop Rx\n");
|
|
ret = iwl_sta_rx_agg_stop(priv, sta, tid);
|
|
if (test_bit(STATUS_EXIT_PENDING, &priv->shrd->status))
|
|
ret = 0;
|
|
break;
|
|
case IEEE80211_AMPDU_TX_START:
|
|
IWL_DEBUG_HT(priv, "start Tx\n");
|
|
ret = iwlagn_tx_agg_start(priv, vif, sta, tid, ssn);
|
|
if (ret == 0) {
|
|
priv->agg_tids_count++;
|
|
IWL_DEBUG_HT(priv, "priv->agg_tids_count = %u\n",
|
|
priv->agg_tids_count);
|
|
}
|
|
break;
|
|
case IEEE80211_AMPDU_TX_STOP:
|
|
IWL_DEBUG_HT(priv, "stop Tx\n");
|
|
ret = iwlagn_tx_agg_stop(priv, vif, sta, tid);
|
|
if ((ret == 0) && (priv->agg_tids_count > 0)) {
|
|
priv->agg_tids_count--;
|
|
IWL_DEBUG_HT(priv, "priv->agg_tids_count = %u\n",
|
|
priv->agg_tids_count);
|
|
}
|
|
if (test_bit(STATUS_EXIT_PENDING, &priv->shrd->status))
|
|
ret = 0;
|
|
if (priv->cfg->ht_params &&
|
|
priv->cfg->ht_params->use_rts_for_aggregation) {
|
|
/*
|
|
* switch off RTS/CTS if it was previously enabled
|
|
*/
|
|
sta_priv->lq_sta.lq.general_params.flags &=
|
|
~LINK_QUAL_FLAGS_SET_STA_TLC_RTS_MSK;
|
|
iwl_send_lq_cmd(priv, iwl_rxon_ctx_from_vif(vif),
|
|
&sta_priv->lq_sta.lq, CMD_ASYNC, false);
|
|
}
|
|
break;
|
|
case IEEE80211_AMPDU_TX_OPERATIONAL:
|
|
buf_size = min_t(int, buf_size, LINK_QUAL_AGG_FRAME_LIMIT_DEF);
|
|
|
|
iwl_trans_tx_agg_setup(trans(priv), ctx->ctxid, iwl_sta_id(sta),
|
|
tid, buf_size);
|
|
|
|
/*
|
|
* If the limit is 0, then it wasn't initialised yet,
|
|
* use the default. We can do that since we take the
|
|
* minimum below, and we don't want to go above our
|
|
* default due to hardware restrictions.
|
|
*/
|
|
if (sta_priv->max_agg_bufsize == 0)
|
|
sta_priv->max_agg_bufsize =
|
|
LINK_QUAL_AGG_FRAME_LIMIT_DEF;
|
|
|
|
/*
|
|
* Even though in theory the peer could have different
|
|
* aggregation reorder buffer sizes for different sessions,
|
|
* our ucode doesn't allow for that and has a global limit
|
|
* for each station. Therefore, use the minimum of all the
|
|
* aggregation sessions and our default value.
|
|
*/
|
|
sta_priv->max_agg_bufsize =
|
|
min(sta_priv->max_agg_bufsize, buf_size);
|
|
|
|
if (priv->cfg->ht_params &&
|
|
priv->cfg->ht_params->use_rts_for_aggregation) {
|
|
/*
|
|
* switch to RTS/CTS if it is the prefer protection
|
|
* method for HT traffic
|
|
*/
|
|
|
|
sta_priv->lq_sta.lq.general_params.flags |=
|
|
LINK_QUAL_FLAGS_SET_STA_TLC_RTS_MSK;
|
|
}
|
|
|
|
sta_priv->lq_sta.lq.agg_params.agg_frame_cnt_limit =
|
|
sta_priv->max_agg_bufsize;
|
|
|
|
iwl_send_lq_cmd(priv, iwl_rxon_ctx_from_vif(vif),
|
|
&sta_priv->lq_sta.lq, CMD_ASYNC, false);
|
|
|
|
IWL_INFO(priv, "Tx aggregation enabled on ra = %pM tid = %d\n",
|
|
sta->addr, tid);
|
|
ret = 0;
|
|
break;
|
|
}
|
|
mutex_unlock(&priv->shrd->mutex);
|
|
|
|
return ret;
|
|
}
|
|
|
|
static int iwlagn_mac_sta_add(struct ieee80211_hw *hw,
|
|
struct ieee80211_vif *vif,
|
|
struct ieee80211_sta *sta)
|
|
{
|
|
struct iwl_priv *priv = hw->priv;
|
|
struct iwl_station_priv *sta_priv = (void *)sta->drv_priv;
|
|
struct iwl_vif_priv *vif_priv = (void *)vif->drv_priv;
|
|
bool is_ap = vif->type == NL80211_IFTYPE_STATION;
|
|
int ret;
|
|
u8 sta_id;
|
|
|
|
IWL_DEBUG_INFO(priv, "received request to add station %pM\n",
|
|
sta->addr);
|
|
mutex_lock(&priv->shrd->mutex);
|
|
IWL_DEBUG_INFO(priv, "proceeding to add station %pM\n",
|
|
sta->addr);
|
|
sta_priv->sta_id = IWL_INVALID_STATION;
|
|
|
|
atomic_set(&sta_priv->pending_frames, 0);
|
|
if (vif->type == NL80211_IFTYPE_AP)
|
|
sta_priv->client = true;
|
|
|
|
ret = iwl_add_station_common(priv, vif_priv->ctx, sta->addr,
|
|
is_ap, sta, &sta_id);
|
|
if (ret) {
|
|
IWL_ERR(priv, "Unable to add station %pM (%d)\n",
|
|
sta->addr, ret);
|
|
/* Should we return success if return code is EEXIST ? */
|
|
mutex_unlock(&priv->shrd->mutex);
|
|
return ret;
|
|
}
|
|
|
|
sta_priv->sta_id = sta_id;
|
|
|
|
/* Initialize rate scaling */
|
|
IWL_DEBUG_INFO(priv, "Initializing rate scaling for station %pM\n",
|
|
sta->addr);
|
|
iwl_rs_rate_init(priv, sta, sta_id);
|
|
mutex_unlock(&priv->shrd->mutex);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static void iwlagn_mac_channel_switch(struct ieee80211_hw *hw,
|
|
struct ieee80211_channel_switch *ch_switch)
|
|
{
|
|
struct iwl_priv *priv = hw->priv;
|
|
const struct iwl_channel_info *ch_info;
|
|
struct ieee80211_conf *conf = &hw->conf;
|
|
struct ieee80211_channel *channel = ch_switch->channel;
|
|
struct iwl_ht_config *ht_conf = &priv->current_ht_config;
|
|
/*
|
|
* MULTI-FIXME
|
|
* When we add support for multiple interfaces, we need to
|
|
* revisit this. The channel switch command in the device
|
|
* only affects the BSS context, but what does that really
|
|
* mean? And what if we get a CSA on the second interface?
|
|
* This needs a lot of work.
|
|
*/
|
|
struct iwl_rxon_context *ctx = &priv->contexts[IWL_RXON_CTX_BSS];
|
|
u16 ch;
|
|
|
|
IWL_DEBUG_MAC80211(priv, "enter\n");
|
|
|
|
mutex_lock(&priv->shrd->mutex);
|
|
|
|
if (iwl_is_rfkill(priv->shrd))
|
|
goto out;
|
|
|
|
if (test_bit(STATUS_EXIT_PENDING, &priv->shrd->status) ||
|
|
test_bit(STATUS_SCANNING, &priv->shrd->status) ||
|
|
test_bit(STATUS_CHANNEL_SWITCH_PENDING, &priv->shrd->status))
|
|
goto out;
|
|
|
|
if (!iwl_is_associated_ctx(ctx))
|
|
goto out;
|
|
|
|
if (!priv->cfg->lib->set_channel_switch)
|
|
goto out;
|
|
|
|
ch = channel->hw_value;
|
|
if (le16_to_cpu(ctx->active.channel) == ch)
|
|
goto out;
|
|
|
|
ch_info = iwl_get_channel_info(priv, channel->band, ch);
|
|
if (!is_channel_valid(ch_info)) {
|
|
IWL_DEBUG_MAC80211(priv, "invalid channel\n");
|
|
goto out;
|
|
}
|
|
|
|
spin_lock_irq(&priv->shrd->lock);
|
|
|
|
priv->current_ht_config.smps = conf->smps_mode;
|
|
|
|
/* Configure HT40 channels */
|
|
ctx->ht.enabled = conf_is_ht(conf);
|
|
if (ctx->ht.enabled) {
|
|
if (conf_is_ht40_minus(conf)) {
|
|
ctx->ht.extension_chan_offset =
|
|
IEEE80211_HT_PARAM_CHA_SEC_BELOW;
|
|
ctx->ht.is_40mhz = true;
|
|
} else if (conf_is_ht40_plus(conf)) {
|
|
ctx->ht.extension_chan_offset =
|
|
IEEE80211_HT_PARAM_CHA_SEC_ABOVE;
|
|
ctx->ht.is_40mhz = true;
|
|
} else {
|
|
ctx->ht.extension_chan_offset =
|
|
IEEE80211_HT_PARAM_CHA_SEC_NONE;
|
|
ctx->ht.is_40mhz = false;
|
|
}
|
|
} else
|
|
ctx->ht.is_40mhz = false;
|
|
|
|
if ((le16_to_cpu(ctx->staging.channel) != ch))
|
|
ctx->staging.flags = 0;
|
|
|
|
iwl_set_rxon_channel(priv, channel, ctx);
|
|
iwl_set_rxon_ht(priv, ht_conf);
|
|
iwl_set_flags_for_band(priv, ctx, channel->band, ctx->vif);
|
|
|
|
spin_unlock_irq(&priv->shrd->lock);
|
|
|
|
iwl_set_rate(priv);
|
|
/*
|
|
* at this point, staging_rxon has the
|
|
* configuration for channel switch
|
|
*/
|
|
set_bit(STATUS_CHANNEL_SWITCH_PENDING, &priv->shrd->status);
|
|
priv->switch_channel = cpu_to_le16(ch);
|
|
if (priv->cfg->lib->set_channel_switch(priv, ch_switch)) {
|
|
clear_bit(STATUS_CHANNEL_SWITCH_PENDING, &priv->shrd->status);
|
|
priv->switch_channel = 0;
|
|
ieee80211_chswitch_done(ctx->vif, false);
|
|
}
|
|
|
|
out:
|
|
mutex_unlock(&priv->shrd->mutex);
|
|
IWL_DEBUG_MAC80211(priv, "leave\n");
|
|
}
|
|
|
|
static void iwlagn_configure_filter(struct ieee80211_hw *hw,
|
|
unsigned int changed_flags,
|
|
unsigned int *total_flags,
|
|
u64 multicast)
|
|
{
|
|
struct iwl_priv *priv = hw->priv;
|
|
__le32 filter_or = 0, filter_nand = 0;
|
|
struct iwl_rxon_context *ctx;
|
|
|
|
#define CHK(test, flag) do { \
|
|
if (*total_flags & (test)) \
|
|
filter_or |= (flag); \
|
|
else \
|
|
filter_nand |= (flag); \
|
|
} while (0)
|
|
|
|
IWL_DEBUG_MAC80211(priv, "Enter: changed: 0x%x, total: 0x%x\n",
|
|
changed_flags, *total_flags);
|
|
|
|
CHK(FIF_OTHER_BSS | FIF_PROMISC_IN_BSS, RXON_FILTER_PROMISC_MSK);
|
|
/* Setting _just_ RXON_FILTER_CTL2HOST_MSK causes FH errors */
|
|
CHK(FIF_CONTROL, RXON_FILTER_CTL2HOST_MSK | RXON_FILTER_PROMISC_MSK);
|
|
CHK(FIF_BCN_PRBRESP_PROMISC, RXON_FILTER_BCON_AWARE_MSK);
|
|
|
|
#undef CHK
|
|
|
|
mutex_lock(&priv->shrd->mutex);
|
|
|
|
for_each_context(priv, ctx) {
|
|
ctx->staging.filter_flags &= ~filter_nand;
|
|
ctx->staging.filter_flags |= filter_or;
|
|
|
|
/*
|
|
* Not committing directly because hardware can perform a scan,
|
|
* but we'll eventually commit the filter flags change anyway.
|
|
*/
|
|
}
|
|
|
|
mutex_unlock(&priv->shrd->mutex);
|
|
|
|
/*
|
|
* Receiving all multicast frames is always enabled by the
|
|
* default flags setup in iwl_connection_init_rx_config()
|
|
* since we currently do not support programming multicast
|
|
* filters into the device.
|
|
*/
|
|
*total_flags &= FIF_OTHER_BSS | FIF_ALLMULTI | FIF_PROMISC_IN_BSS |
|
|
FIF_BCN_PRBRESP_PROMISC | FIF_CONTROL;
|
|
}
|
|
|
|
static void iwlagn_mac_flush(struct ieee80211_hw *hw, bool drop)
|
|
{
|
|
struct iwl_priv *priv = hw->priv;
|
|
|
|
mutex_lock(&priv->shrd->mutex);
|
|
IWL_DEBUG_MAC80211(priv, "enter\n");
|
|
|
|
if (test_bit(STATUS_EXIT_PENDING, &priv->shrd->status)) {
|
|
IWL_DEBUG_TX(priv, "Aborting flush due to device shutdown\n");
|
|
goto done;
|
|
}
|
|
if (iwl_is_rfkill(priv->shrd)) {
|
|
IWL_DEBUG_TX(priv, "Aborting flush due to RF Kill\n");
|
|
goto done;
|
|
}
|
|
|
|
/*
|
|
* mac80211 will not push any more frames for transmit
|
|
* until the flush is completed
|
|
*/
|
|
if (drop) {
|
|
IWL_DEBUG_MAC80211(priv, "send flush command\n");
|
|
if (iwlagn_txfifo_flush(priv, IWL_DROP_ALL)) {
|
|
IWL_ERR(priv, "flush request fail\n");
|
|
goto done;
|
|
}
|
|
}
|
|
IWL_DEBUG_MAC80211(priv, "wait transmit/flush all frames\n");
|
|
iwl_trans_wait_tx_queue_empty(trans(priv));
|
|
done:
|
|
mutex_unlock(&priv->shrd->mutex);
|
|
IWL_DEBUG_MAC80211(priv, "leave\n");
|
|
}
|
|
|
|
void iwlagn_disable_roc(struct iwl_priv *priv)
|
|
{
|
|
struct iwl_rxon_context *ctx = &priv->contexts[IWL_RXON_CTX_PAN];
|
|
|
|
lockdep_assert_held(&priv->shrd->mutex);
|
|
|
|
if (!priv->hw_roc_setup)
|
|
return;
|
|
|
|
ctx->staging.dev_type = RXON_DEV_TYPE_P2P;
|
|
ctx->staging.filter_flags &= ~RXON_FILTER_ASSOC_MSK;
|
|
|
|
priv->hw_roc_channel = NULL;
|
|
|
|
memset(ctx->staging.node_addr, 0, ETH_ALEN);
|
|
|
|
iwlagn_commit_rxon(priv, ctx);
|
|
|
|
ctx->is_active = false;
|
|
priv->hw_roc_setup = false;
|
|
}
|
|
|
|
static void iwlagn_disable_roc_work(struct work_struct *work)
|
|
{
|
|
struct iwl_priv *priv = container_of(work, struct iwl_priv,
|
|
hw_roc_disable_work.work);
|
|
|
|
mutex_lock(&priv->shrd->mutex);
|
|
iwlagn_disable_roc(priv);
|
|
mutex_unlock(&priv->shrd->mutex);
|
|
}
|
|
|
|
static int iwl_mac_remain_on_channel(struct ieee80211_hw *hw,
|
|
struct ieee80211_channel *channel,
|
|
enum nl80211_channel_type channel_type,
|
|
int duration)
|
|
{
|
|
struct iwl_priv *priv = hw->priv;
|
|
struct iwl_rxon_context *ctx = &priv->contexts[IWL_RXON_CTX_PAN];
|
|
int err = 0;
|
|
|
|
if (!(priv->shrd->valid_contexts & BIT(IWL_RXON_CTX_PAN)))
|
|
return -EOPNOTSUPP;
|
|
|
|
if (!(ctx->interface_modes & BIT(NL80211_IFTYPE_P2P_CLIENT)))
|
|
return -EOPNOTSUPP;
|
|
|
|
mutex_lock(&priv->shrd->mutex);
|
|
|
|
if (test_bit(STATUS_SCAN_HW, &priv->shrd->status)) {
|
|
err = -EBUSY;
|
|
goto out;
|
|
}
|
|
|
|
priv->hw_roc_channel = channel;
|
|
priv->hw_roc_chantype = channel_type;
|
|
priv->hw_roc_duration = duration;
|
|
priv->hw_roc_start_notified = false;
|
|
cancel_delayed_work(&priv->hw_roc_disable_work);
|
|
|
|
if (!ctx->is_active) {
|
|
ctx->is_active = true;
|
|
ctx->staging.dev_type = RXON_DEV_TYPE_P2P;
|
|
memcpy(ctx->staging.node_addr,
|
|
priv->contexts[IWL_RXON_CTX_BSS].staging.node_addr,
|
|
ETH_ALEN);
|
|
memcpy(ctx->staging.bssid_addr,
|
|
priv->contexts[IWL_RXON_CTX_BSS].staging.node_addr,
|
|
ETH_ALEN);
|
|
err = iwlagn_commit_rxon(priv, ctx);
|
|
if (err)
|
|
goto out;
|
|
ctx->staging.filter_flags |= RXON_FILTER_ASSOC_MSK |
|
|
RXON_FILTER_PROMISC_MSK |
|
|
RXON_FILTER_CTL2HOST_MSK;
|
|
|
|
err = iwlagn_commit_rxon(priv, ctx);
|
|
if (err) {
|
|
iwlagn_disable_roc(priv);
|
|
goto out;
|
|
}
|
|
priv->hw_roc_setup = true;
|
|
}
|
|
|
|
err = iwl_scan_initiate(priv, ctx->vif, IWL_SCAN_ROC, channel->band);
|
|
if (err)
|
|
iwlagn_disable_roc(priv);
|
|
|
|
out:
|
|
mutex_unlock(&priv->shrd->mutex);
|
|
|
|
return err;
|
|
}
|
|
|
|
static int iwl_mac_cancel_remain_on_channel(struct ieee80211_hw *hw)
|
|
{
|
|
struct iwl_priv *priv = hw->priv;
|
|
|
|
if (!(priv->shrd->valid_contexts & BIT(IWL_RXON_CTX_PAN)))
|
|
return -EOPNOTSUPP;
|
|
|
|
mutex_lock(&priv->shrd->mutex);
|
|
iwl_scan_cancel_timeout(priv, priv->hw_roc_duration);
|
|
iwlagn_disable_roc(priv);
|
|
mutex_unlock(&priv->shrd->mutex);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int iwl_mac_tx_sync(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
|
|
const u8 *bssid, enum ieee80211_tx_sync_type type)
|
|
{
|
|
struct iwl_priv *priv = hw->priv;
|
|
struct iwl_vif_priv *vif_priv = (void *)vif->drv_priv;
|
|
struct iwl_rxon_context *ctx = vif_priv->ctx;
|
|
int ret;
|
|
u8 sta_id;
|
|
|
|
mutex_lock(&priv->shrd->mutex);
|
|
|
|
if (iwl_is_associated_ctx(ctx)) {
|
|
ret = 0;
|
|
goto out;
|
|
}
|
|
|
|
if (ctx->preauth_bssid || test_bit(STATUS_SCAN_HW, &priv->shrd->status)) {
|
|
ret = -EBUSY;
|
|
goto out;
|
|
}
|
|
|
|
ret = iwl_add_station_common(priv, ctx, bssid, true, NULL, &sta_id);
|
|
if (ret)
|
|
goto out;
|
|
|
|
if (WARN_ON(sta_id != ctx->ap_sta_id)) {
|
|
ret = -EIO;
|
|
goto out_remove_sta;
|
|
}
|
|
|
|
memcpy(ctx->bssid, bssid, ETH_ALEN);
|
|
ctx->preauth_bssid = true;
|
|
|
|
ret = iwlagn_commit_rxon(priv, ctx);
|
|
|
|
if (ret == 0)
|
|
goto out;
|
|
|
|
out_remove_sta:
|
|
iwl_remove_station(priv, sta_id, bssid);
|
|
out:
|
|
mutex_unlock(&priv->shrd->mutex);
|
|
return ret;
|
|
}
|
|
|
|
static void iwl_mac_finish_tx_sync(struct ieee80211_hw *hw,
|
|
struct ieee80211_vif *vif,
|
|
const u8 *bssid,
|
|
enum ieee80211_tx_sync_type type)
|
|
{
|
|
struct iwl_priv *priv = hw->priv;
|
|
struct iwl_vif_priv *vif_priv = (void *)vif->drv_priv;
|
|
struct iwl_rxon_context *ctx = vif_priv->ctx;
|
|
|
|
mutex_lock(&priv->shrd->mutex);
|
|
|
|
if (iwl_is_associated_ctx(ctx))
|
|
goto out;
|
|
|
|
iwl_remove_station(priv, ctx->ap_sta_id, bssid);
|
|
ctx->preauth_bssid = false;
|
|
/* no need to commit */
|
|
out:
|
|
mutex_unlock(&priv->shrd->mutex);
|
|
}
|
|
|
|
/*****************************************************************************
|
|
*
|
|
* driver setup and teardown
|
|
*
|
|
*****************************************************************************/
|
|
|
|
static void iwl_setup_deferred_work(struct iwl_priv *priv)
|
|
{
|
|
priv->shrd->workqueue = create_singlethread_workqueue(DRV_NAME);
|
|
|
|
init_waitqueue_head(&priv->shrd->wait_command_queue);
|
|
|
|
INIT_WORK(&priv->restart, iwl_bg_restart);
|
|
INIT_WORK(&priv->beacon_update, iwl_bg_beacon_update);
|
|
INIT_WORK(&priv->run_time_calib_work, iwl_bg_run_time_calib_work);
|
|
INIT_WORK(&priv->tx_flush, iwl_bg_tx_flush);
|
|
INIT_WORK(&priv->bt_full_concurrency, iwl_bg_bt_full_concurrency);
|
|
INIT_WORK(&priv->bt_runtime_config, iwl_bg_bt_runtime_config);
|
|
INIT_DELAYED_WORK(&priv->hw_roc_disable_work,
|
|
iwlagn_disable_roc_work);
|
|
|
|
iwl_setup_scan_deferred_work(priv);
|
|
|
|
if (priv->cfg->lib->bt_setup_deferred_work)
|
|
priv->cfg->lib->bt_setup_deferred_work(priv);
|
|
|
|
init_timer(&priv->statistics_periodic);
|
|
priv->statistics_periodic.data = (unsigned long)priv;
|
|
priv->statistics_periodic.function = iwl_bg_statistics_periodic;
|
|
|
|
init_timer(&priv->ucode_trace);
|
|
priv->ucode_trace.data = (unsigned long)priv;
|
|
priv->ucode_trace.function = iwl_bg_ucode_trace;
|
|
|
|
init_timer(&priv->watchdog);
|
|
priv->watchdog.data = (unsigned long)priv;
|
|
priv->watchdog.function = iwl_bg_watchdog;
|
|
}
|
|
|
|
static void iwl_cancel_deferred_work(struct iwl_priv *priv)
|
|
{
|
|
if (priv->cfg->lib->cancel_deferred_work)
|
|
priv->cfg->lib->cancel_deferred_work(priv);
|
|
|
|
cancel_work_sync(&priv->run_time_calib_work);
|
|
cancel_work_sync(&priv->beacon_update);
|
|
|
|
iwl_cancel_scan_deferred_work(priv);
|
|
|
|
cancel_work_sync(&priv->bt_full_concurrency);
|
|
cancel_work_sync(&priv->bt_runtime_config);
|
|
cancel_delayed_work_sync(&priv->hw_roc_disable_work);
|
|
|
|
del_timer_sync(&priv->statistics_periodic);
|
|
del_timer_sync(&priv->ucode_trace);
|
|
}
|
|
|
|
static void iwl_init_hw_rates(struct iwl_priv *priv,
|
|
struct ieee80211_rate *rates)
|
|
{
|
|
int i;
|
|
|
|
for (i = 0; i < IWL_RATE_COUNT_LEGACY; i++) {
|
|
rates[i].bitrate = iwl_rates[i].ieee * 5;
|
|
rates[i].hw_value = i; /* Rate scaling will work on indexes */
|
|
rates[i].hw_value_short = i;
|
|
rates[i].flags = 0;
|
|
if ((i >= IWL_FIRST_CCK_RATE) && (i <= IWL_LAST_CCK_RATE)) {
|
|
/*
|
|
* If CCK != 1M then set short preamble rate flag.
|
|
*/
|
|
rates[i].flags |=
|
|
(iwl_rates[i].plcp == IWL_RATE_1M_PLCP) ?
|
|
0 : IEEE80211_RATE_SHORT_PREAMBLE;
|
|
}
|
|
}
|
|
}
|
|
|
|
static int iwl_init_drv(struct iwl_priv *priv)
|
|
{
|
|
int ret;
|
|
|
|
spin_lock_init(&priv->shrd->sta_lock);
|
|
|
|
mutex_init(&priv->shrd->mutex);
|
|
|
|
priv->ieee_channels = NULL;
|
|
priv->ieee_rates = NULL;
|
|
priv->band = IEEE80211_BAND_2GHZ;
|
|
|
|
priv->iw_mode = NL80211_IFTYPE_STATION;
|
|
priv->current_ht_config.smps = IEEE80211_SMPS_STATIC;
|
|
priv->missed_beacon_threshold = IWL_MISSED_BEACON_THRESHOLD_DEF;
|
|
priv->agg_tids_count = 0;
|
|
|
|
/* initialize force reset */
|
|
priv->force_reset[IWL_RF_RESET].reset_duration =
|
|
IWL_DELAY_NEXT_FORCE_RF_RESET;
|
|
priv->force_reset[IWL_FW_RESET].reset_duration =
|
|
IWL_DELAY_NEXT_FORCE_FW_RELOAD;
|
|
|
|
priv->rx_statistics_jiffies = jiffies;
|
|
|
|
/* Choose which receivers/antennas to use */
|
|
iwlagn_set_rxon_chain(priv, &priv->contexts[IWL_RXON_CTX_BSS]);
|
|
|
|
iwl_init_scan_params(priv);
|
|
|
|
/* init bt coex */
|
|
if (priv->cfg->bt_params &&
|
|
priv->cfg->bt_params->advanced_bt_coexist) {
|
|
priv->kill_ack_mask = IWLAGN_BT_KILL_ACK_MASK_DEFAULT;
|
|
priv->kill_cts_mask = IWLAGN_BT_KILL_CTS_MASK_DEFAULT;
|
|
priv->bt_valid = IWLAGN_BT_ALL_VALID_MSK;
|
|
priv->bt_on_thresh = BT_ON_THRESHOLD_DEF;
|
|
priv->bt_duration = BT_DURATION_LIMIT_DEF;
|
|
priv->dynamic_frag_thresh = BT_FRAG_THRESHOLD_DEF;
|
|
}
|
|
|
|
ret = iwl_init_channel_map(priv);
|
|
if (ret) {
|
|
IWL_ERR(priv, "initializing regulatory failed: %d\n", ret);
|
|
goto err;
|
|
}
|
|
|
|
ret = iwl_init_geos(priv);
|
|
if (ret) {
|
|
IWL_ERR(priv, "initializing geos failed: %d\n", ret);
|
|
goto err_free_channel_map;
|
|
}
|
|
iwl_init_hw_rates(priv, priv->ieee_rates);
|
|
|
|
return 0;
|
|
|
|
err_free_channel_map:
|
|
iwl_free_channel_map(priv);
|
|
err:
|
|
return ret;
|
|
}
|
|
|
|
static void iwl_uninit_drv(struct iwl_priv *priv)
|
|
{
|
|
iwl_calib_free_results(priv);
|
|
iwl_free_geos(priv);
|
|
iwl_free_channel_map(priv);
|
|
if (priv->tx_cmd_pool)
|
|
kmem_cache_destroy(priv->tx_cmd_pool);
|
|
kfree(priv->scan_cmd);
|
|
kfree(priv->beacon_cmd);
|
|
#ifdef CONFIG_IWLWIFI_DEBUGFS
|
|
kfree(priv->wowlan_sram);
|
|
#endif
|
|
}
|
|
|
|
static void iwl_mac_rssi_callback(struct ieee80211_hw *hw,
|
|
enum ieee80211_rssi_event rssi_event)
|
|
{
|
|
struct iwl_priv *priv = hw->priv;
|
|
|
|
mutex_lock(&priv->shrd->mutex);
|
|
|
|
if (priv->cfg->bt_params &&
|
|
priv->cfg->bt_params->advanced_bt_coexist) {
|
|
if (rssi_event == RSSI_EVENT_LOW)
|
|
priv->bt_enable_pspoll = true;
|
|
else if (rssi_event == RSSI_EVENT_HIGH)
|
|
priv->bt_enable_pspoll = false;
|
|
|
|
iwlagn_send_advance_bt_config(priv);
|
|
} else {
|
|
IWL_DEBUG_MAC80211(priv, "Advanced BT coex disabled,"
|
|
"ignoring RSSI callback\n");
|
|
}
|
|
|
|
mutex_unlock(&priv->shrd->mutex);
|
|
}
|
|
|
|
struct ieee80211_ops iwlagn_hw_ops = {
|
|
.tx = iwlagn_mac_tx,
|
|
.start = iwlagn_mac_start,
|
|
.stop = iwlagn_mac_stop,
|
|
#ifdef CONFIG_PM_SLEEP
|
|
.suspend = iwlagn_mac_suspend,
|
|
.resume = iwlagn_mac_resume,
|
|
#endif
|
|
.add_interface = iwl_mac_add_interface,
|
|
.remove_interface = iwl_mac_remove_interface,
|
|
.change_interface = iwl_mac_change_interface,
|
|
.config = iwlagn_mac_config,
|
|
.configure_filter = iwlagn_configure_filter,
|
|
.set_key = iwlagn_mac_set_key,
|
|
.update_tkip_key = iwlagn_mac_update_tkip_key,
|
|
.set_rekey_data = iwlagn_mac_set_rekey_data,
|
|
.conf_tx = iwl_mac_conf_tx,
|
|
.bss_info_changed = iwlagn_bss_info_changed,
|
|
.ampdu_action = iwlagn_mac_ampdu_action,
|
|
.hw_scan = iwl_mac_hw_scan,
|
|
.sta_notify = iwlagn_mac_sta_notify,
|
|
.sta_add = iwlagn_mac_sta_add,
|
|
.sta_remove = iwl_mac_sta_remove,
|
|
.channel_switch = iwlagn_mac_channel_switch,
|
|
.flush = iwlagn_mac_flush,
|
|
.tx_last_beacon = iwl_mac_tx_last_beacon,
|
|
.remain_on_channel = iwl_mac_remain_on_channel,
|
|
.cancel_remain_on_channel = iwl_mac_cancel_remain_on_channel,
|
|
.rssi_callback = iwl_mac_rssi_callback,
|
|
CFG80211_TESTMODE_CMD(iwl_testmode_cmd)
|
|
CFG80211_TESTMODE_DUMP(iwl_testmode_dump)
|
|
.tx_sync = iwl_mac_tx_sync,
|
|
.finish_tx_sync = iwl_mac_finish_tx_sync,
|
|
};
|
|
|
|
static u32 iwl_hw_detect(struct iwl_priv *priv)
|
|
{
|
|
return iwl_read32(bus(priv), CSR_HW_REV);
|
|
}
|
|
|
|
/* Size of one Rx buffer in host DRAM */
|
|
#define IWL_RX_BUF_SIZE_4K (4 * 1024)
|
|
#define IWL_RX_BUF_SIZE_8K (8 * 1024)
|
|
|
|
static int iwl_set_hw_params(struct iwl_priv *priv)
|
|
{
|
|
if (iwlagn_mod_params.amsdu_size_8K)
|
|
hw_params(priv).rx_page_order =
|
|
get_order(IWL_RX_BUF_SIZE_8K);
|
|
else
|
|
hw_params(priv).rx_page_order =
|
|
get_order(IWL_RX_BUF_SIZE_4K);
|
|
|
|
if (iwlagn_mod_params.disable_11n)
|
|
priv->cfg->sku &= ~EEPROM_SKU_CAP_11N_ENABLE;
|
|
|
|
hw_params(priv).num_ampdu_queues =
|
|
priv->cfg->base_params->num_of_ampdu_queues;
|
|
hw_params(priv).shadow_reg_enable =
|
|
priv->cfg->base_params->shadow_reg_enable;
|
|
hw_params(priv).sku = priv->cfg->sku;
|
|
hw_params(priv).wd_timeout = priv->cfg->base_params->wd_timeout;
|
|
|
|
/* Device-specific setup */
|
|
return priv->cfg->lib->set_hw_params(priv);
|
|
}
|
|
|
|
/* This function both allocates and initializes hw and priv. */
|
|
static struct ieee80211_hw *iwl_alloc_all(struct iwl_cfg *cfg)
|
|
{
|
|
struct iwl_priv *priv;
|
|
/* mac80211 allocates memory for this device instance, including
|
|
* space for this driver's private structure */
|
|
struct ieee80211_hw *hw;
|
|
|
|
hw = ieee80211_alloc_hw(sizeof(struct iwl_priv), &iwlagn_hw_ops);
|
|
if (hw == NULL) {
|
|
pr_err("%s: Can not allocate network device\n",
|
|
cfg->name);
|
|
goto out;
|
|
}
|
|
|
|
priv = hw->priv;
|
|
priv->hw = hw;
|
|
|
|
out:
|
|
return hw;
|
|
}
|
|
|
|
int iwl_probe(struct iwl_bus *bus, const struct iwl_trans_ops *trans_ops,
|
|
struct iwl_cfg *cfg)
|
|
{
|
|
int err = 0;
|
|
struct iwl_priv *priv;
|
|
struct ieee80211_hw *hw;
|
|
u16 num_mac;
|
|
u32 hw_rev;
|
|
|
|
/************************
|
|
* 1. Allocating HW data
|
|
************************/
|
|
hw = iwl_alloc_all(cfg);
|
|
if (!hw) {
|
|
err = -ENOMEM;
|
|
goto out;
|
|
}
|
|
|
|
priv = hw->priv;
|
|
priv->bus = bus;
|
|
priv->shrd = &priv->_shrd;
|
|
bus->shrd = priv->shrd;
|
|
priv->shrd->bus = bus;
|
|
priv->shrd->priv = priv;
|
|
|
|
priv->shrd->trans = trans_ops->alloc(priv->shrd);
|
|
if (priv->shrd->trans == NULL) {
|
|
err = -ENOMEM;
|
|
goto out_free_traffic_mem;
|
|
}
|
|
|
|
/* At this point both hw and priv are allocated. */
|
|
|
|
SET_IEEE80211_DEV(hw, priv->bus->dev);
|
|
|
|
IWL_DEBUG_INFO(priv, "*** LOAD DRIVER ***\n");
|
|
priv->cfg = cfg;
|
|
|
|
/* is antenna coupling more than 35dB ? */
|
|
priv->bt_ant_couple_ok =
|
|
(iwlagn_mod_params.ant_coupling >
|
|
IWL_BT_ANTENNA_COUPLING_THRESHOLD) ?
|
|
true : false;
|
|
|
|
/* enable/disable bt channel inhibition */
|
|
priv->bt_ch_announce = iwlagn_mod_params.bt_ch_announce;
|
|
IWL_DEBUG_INFO(priv, "BT channel inhibition is %s\n",
|
|
(priv->bt_ch_announce) ? "On" : "Off");
|
|
|
|
if (iwl_alloc_traffic_mem(priv))
|
|
IWL_ERR(priv, "Not enough memory to generate traffic log\n");
|
|
|
|
/* these spin locks will be used in apm_ops.init and EEPROM access
|
|
* we should init now
|
|
*/
|
|
spin_lock_init(&bus(priv)->reg_lock);
|
|
spin_lock_init(&priv->shrd->lock);
|
|
|
|
/*
|
|
* stop and reset the on-board processor just in case it is in a
|
|
* strange state ... like being left stranded by a primary kernel
|
|
* and this is now the kdump kernel trying to start up
|
|
*/
|
|
iwl_write32(bus(priv), CSR_RESET, CSR_RESET_REG_FLAG_NEVO_RESET);
|
|
|
|
/***********************
|
|
* 3. Read REV register
|
|
***********************/
|
|
hw_rev = iwl_hw_detect(priv);
|
|
IWL_INFO(priv, "Detected %s, REV=0x%X\n",
|
|
priv->cfg->name, hw_rev);
|
|
|
|
err = iwl_trans_request_irq(trans(priv));
|
|
if (err)
|
|
goto out_free_trans;
|
|
|
|
if (iwl_trans_prepare_card_hw(trans(priv))) {
|
|
err = -EIO;
|
|
IWL_WARN(priv, "Failed, HW not ready\n");
|
|
goto out_free_trans;
|
|
}
|
|
|
|
/*****************
|
|
* 4. Read EEPROM
|
|
*****************/
|
|
/* Read the EEPROM */
|
|
err = iwl_eeprom_init(priv, hw_rev);
|
|
if (err) {
|
|
IWL_ERR(priv, "Unable to init EEPROM\n");
|
|
goto out_free_trans;
|
|
}
|
|
err = iwl_eeprom_check_version(priv);
|
|
if (err)
|
|
goto out_free_eeprom;
|
|
|
|
err = iwl_eeprom_check_sku(priv);
|
|
if (err)
|
|
goto out_free_eeprom;
|
|
|
|
/* extract MAC Address */
|
|
iwl_eeprom_get_mac(priv, priv->addresses[0].addr);
|
|
IWL_DEBUG_INFO(priv, "MAC address: %pM\n", priv->addresses[0].addr);
|
|
priv->hw->wiphy->addresses = priv->addresses;
|
|
priv->hw->wiphy->n_addresses = 1;
|
|
num_mac = iwl_eeprom_query16(priv, EEPROM_NUM_MAC_ADDRESS);
|
|
if (num_mac > 1) {
|
|
memcpy(priv->addresses[1].addr, priv->addresses[0].addr,
|
|
ETH_ALEN);
|
|
priv->addresses[1].addr[5]++;
|
|
priv->hw->wiphy->n_addresses++;
|
|
}
|
|
|
|
/************************
|
|
* 5. Setup HW constants
|
|
************************/
|
|
if (iwl_set_hw_params(priv)) {
|
|
err = -ENOENT;
|
|
IWL_ERR(priv, "failed to set hw parameters\n");
|
|
goto out_free_eeprom;
|
|
}
|
|
|
|
/*******************
|
|
* 6. Setup priv
|
|
*******************/
|
|
|
|
err = iwl_init_drv(priv);
|
|
if (err)
|
|
goto out_free_eeprom;
|
|
/* At this point both hw and priv are initialized. */
|
|
|
|
/********************
|
|
* 7. Setup services
|
|
********************/
|
|
iwl_setup_deferred_work(priv);
|
|
iwl_setup_rx_handlers(priv);
|
|
iwl_testmode_init(priv);
|
|
|
|
/*********************************************
|
|
* 8. Enable interrupts
|
|
*********************************************/
|
|
|
|
iwl_enable_rfkill_int(priv);
|
|
|
|
/* If platform's RF_KILL switch is NOT set to KILL */
|
|
if (iwl_read32(bus(priv),
|
|
CSR_GP_CNTRL) & CSR_GP_CNTRL_REG_FLAG_HW_RF_KILL_SW)
|
|
clear_bit(STATUS_RF_KILL_HW, &priv->shrd->status);
|
|
else
|
|
set_bit(STATUS_RF_KILL_HW, &priv->shrd->status);
|
|
|
|
wiphy_rfkill_set_hw_state(priv->hw->wiphy,
|
|
test_bit(STATUS_RF_KILL_HW, &priv->shrd->status));
|
|
|
|
iwl_power_initialize(priv);
|
|
iwl_tt_initialize(priv);
|
|
|
|
init_completion(&priv->firmware_loading_complete);
|
|
|
|
err = iwl_request_firmware(priv, true);
|
|
if (err)
|
|
goto out_destroy_workqueue;
|
|
|
|
return 0;
|
|
|
|
out_destroy_workqueue:
|
|
destroy_workqueue(priv->shrd->workqueue);
|
|
priv->shrd->workqueue = NULL;
|
|
iwl_uninit_drv(priv);
|
|
out_free_eeprom:
|
|
iwl_eeprom_free(priv);
|
|
out_free_trans:
|
|
iwl_trans_free(trans(priv));
|
|
out_free_traffic_mem:
|
|
iwl_free_traffic_mem(priv);
|
|
ieee80211_free_hw(priv->hw);
|
|
out:
|
|
return err;
|
|
}
|
|
|
|
void __devexit iwl_remove(struct iwl_priv * priv)
|
|
{
|
|
wait_for_completion(&priv->firmware_loading_complete);
|
|
|
|
IWL_DEBUG_INFO(priv, "*** UNLOAD DRIVER ***\n");
|
|
|
|
iwl_dbgfs_unregister(priv);
|
|
|
|
/* ieee80211_unregister_hw call wil cause iwl_mac_stop to
|
|
* to be called and iwl_down since we are removing the device
|
|
* we need to set STATUS_EXIT_PENDING bit.
|
|
*/
|
|
set_bit(STATUS_EXIT_PENDING, &priv->shrd->status);
|
|
|
|
iwl_testmode_cleanup(priv);
|
|
iwl_leds_exit(priv);
|
|
|
|
if (priv->mac80211_registered) {
|
|
ieee80211_unregister_hw(priv->hw);
|
|
priv->mac80211_registered = 0;
|
|
}
|
|
|
|
iwl_tt_exit(priv);
|
|
|
|
/*This will stop the queues, move the device to low power state */
|
|
iwl_trans_stop_device(trans(priv));
|
|
|
|
iwl_dealloc_ucode(priv);
|
|
|
|
iwl_eeprom_free(priv);
|
|
|
|
/*netif_stop_queue(dev); */
|
|
flush_workqueue(priv->shrd->workqueue);
|
|
|
|
/* ieee80211_unregister_hw calls iwl_mac_stop, which flushes
|
|
* priv->shrd->workqueue... so we can't take down the workqueue
|
|
* until now... */
|
|
destroy_workqueue(priv->shrd->workqueue);
|
|
priv->shrd->workqueue = NULL;
|
|
iwl_free_traffic_mem(priv);
|
|
|
|
iwl_trans_free(trans(priv));
|
|
|
|
iwl_uninit_drv(priv);
|
|
|
|
dev_kfree_skb(priv->beacon_skb);
|
|
|
|
ieee80211_free_hw(priv->hw);
|
|
}
|
|
|
|
|
|
/*****************************************************************************
|
|
*
|
|
* driver and module entry point
|
|
*
|
|
*****************************************************************************/
|
|
static int __init iwl_init(void)
|
|
{
|
|
|
|
int ret;
|
|
pr_info(DRV_DESCRIPTION ", " DRV_VERSION "\n");
|
|
pr_info(DRV_COPYRIGHT "\n");
|
|
|
|
ret = iwlagn_rate_control_register();
|
|
if (ret) {
|
|
pr_err("Unable to register rate control algorithm: %d\n", ret);
|
|
return ret;
|
|
}
|
|
|
|
ret = iwl_pci_register_driver();
|
|
|
|
if (ret)
|
|
goto error_register;
|
|
return ret;
|
|
|
|
error_register:
|
|
iwlagn_rate_control_unregister();
|
|
return ret;
|
|
}
|
|
|
|
static void __exit iwl_exit(void)
|
|
{
|
|
iwl_pci_unregister_driver();
|
|
iwlagn_rate_control_unregister();
|
|
}
|
|
|
|
module_exit(iwl_exit);
|
|
module_init(iwl_init);
|
|
|
|
#ifdef CONFIG_IWLWIFI_DEBUG
|
|
module_param_named(debug, iwlagn_mod_params.debug_level, uint,
|
|
S_IRUGO | S_IWUSR);
|
|
MODULE_PARM_DESC(debug, "debug output mask");
|
|
#endif
|
|
|
|
module_param_named(swcrypto, iwlagn_mod_params.sw_crypto, int, S_IRUGO);
|
|
MODULE_PARM_DESC(swcrypto, "using crypto in software (default 0 [hardware])");
|
|
module_param_named(queues_num, iwlagn_mod_params.num_of_queues, int, S_IRUGO);
|
|
MODULE_PARM_DESC(queues_num, "number of hw queues.");
|
|
module_param_named(11n_disable, iwlagn_mod_params.disable_11n, int, S_IRUGO);
|
|
MODULE_PARM_DESC(11n_disable, "disable 11n functionality");
|
|
module_param_named(amsdu_size_8K, iwlagn_mod_params.amsdu_size_8K,
|
|
int, S_IRUGO);
|
|
MODULE_PARM_DESC(amsdu_size_8K, "enable 8K amsdu size");
|
|
module_param_named(fw_restart, iwlagn_mod_params.restart_fw, int, S_IRUGO);
|
|
MODULE_PARM_DESC(fw_restart, "restart firmware in case of error");
|
|
|
|
module_param_named(ucode_alternative,
|
|
iwlagn_mod_params.wanted_ucode_alternative,
|
|
int, S_IRUGO);
|
|
MODULE_PARM_DESC(ucode_alternative,
|
|
"specify ucode alternative to use from ucode file");
|
|
|
|
module_param_named(antenna_coupling, iwlagn_mod_params.ant_coupling,
|
|
int, S_IRUGO);
|
|
MODULE_PARM_DESC(antenna_coupling,
|
|
"specify antenna coupling in dB (defualt: 0 dB)");
|
|
|
|
module_param_named(bt_ch_inhibition, iwlagn_mod_params.bt_ch_announce,
|
|
bool, S_IRUGO);
|
|
MODULE_PARM_DESC(bt_ch_inhibition,
|
|
"Enable BT channel inhibition (default: enable)");
|
|
|
|
module_param_named(plcp_check, iwlagn_mod_params.plcp_check, bool, S_IRUGO);
|
|
MODULE_PARM_DESC(plcp_check, "Check plcp health (default: 1 [enabled])");
|
|
|
|
module_param_named(ack_check, iwlagn_mod_params.ack_check, bool, S_IRUGO);
|
|
MODULE_PARM_DESC(ack_check, "Check ack health (default: 0 [disabled])");
|
|
|
|
module_param_named(wd_disable, iwlagn_mod_params.wd_disable, bool, S_IRUGO);
|
|
MODULE_PARM_DESC(wd_disable,
|
|
"Disable stuck queue watchdog timer (default: 0 [enabled])");
|
|
|
|
/*
|
|
* set bt_coex_active to true, uCode will do kill/defer
|
|
* every time the priority line is asserted (BT is sending signals on the
|
|
* priority line in the PCIx).
|
|
* set bt_coex_active to false, uCode will ignore the BT activity and
|
|
* perform the normal operation
|
|
*
|
|
* User might experience transmit issue on some platform due to WiFi/BT
|
|
* co-exist problem. The possible behaviors are:
|
|
* Able to scan and finding all the available AP
|
|
* Not able to associate with any AP
|
|
* On those platforms, WiFi communication can be restored by set
|
|
* "bt_coex_active" module parameter to "false"
|
|
*
|
|
* default: bt_coex_active = true (BT_COEX_ENABLE)
|
|
*/
|
|
module_param_named(bt_coex_active, iwlagn_mod_params.bt_coex_active,
|
|
bool, S_IRUGO);
|
|
MODULE_PARM_DESC(bt_coex_active, "enable wifi/bt co-exist (default: enable)");
|
|
|
|
module_param_named(led_mode, iwlagn_mod_params.led_mode, int, S_IRUGO);
|
|
MODULE_PARM_DESC(led_mode, "0=system default, "
|
|
"1=On(RF On)/Off(RF Off), 2=blinking (default: 0)");
|
|
|
|
module_param_named(power_save, iwlagn_mod_params.power_save,
|
|
bool, S_IRUGO);
|
|
MODULE_PARM_DESC(power_save,
|
|
"enable WiFi power management (default: disable)");
|
|
|
|
module_param_named(power_level, iwlagn_mod_params.power_level,
|
|
int, S_IRUGO);
|
|
MODULE_PARM_DESC(power_level,
|
|
"default power save level (range from 1 - 5, default: 1)");
|
|
|
|
module_param_named(auto_agg, iwlagn_mod_params.auto_agg,
|
|
bool, S_IRUGO);
|
|
MODULE_PARM_DESC(auto_agg,
|
|
"enable agg w/o check traffic load (default: enable)");
|
|
|
|
/*
|
|
* For now, keep using power level 1 instead of automatically
|
|
* adjusting ...
|
|
*/
|
|
module_param_named(no_sleep_autoadjust, iwlagn_mod_params.no_sleep_autoadjust,
|
|
bool, S_IRUGO);
|
|
MODULE_PARM_DESC(no_sleep_autoadjust,
|
|
"don't automatically adjust sleep level "
|
|
"according to maximum network latency (default: true)");
|