/******************************************************************************
*
- * Copyright(c) 2003 - 2011 Intel Corporation. All rights reserved.
+ * Copyright(c) 2003 - 2012 Intel Corporation. All rights reserved.
*
* Portions of this file are derived from the ipw3945 project, as well
* as portions of the ieee80211 subsystem header files.
#include <linux/module.h>
#include <linux/init.h>
#include <linux/slab.h>
-#include <linux/dma-mapping.h>
#include <linux/delay.h>
#include <linux/sched.h>
#include <linux/skbuff.h>
#include <asm/div64.h>
#include "iwl-eeprom.h"
+#include "iwl-wifi.h"
#include "iwl-dev.h"
#include "iwl-core.h"
#include "iwl-io.h"
static void iwl_print_cont_event_trace(struct iwl_priv *priv, u32 base,
u32 start_idx, u32 num_events,
- u32 mode)
+ u32 capacity, u32 mode)
{
u32 i;
u32 ptr; /* SRAM byte address of log data */
ptr = base + (4 * sizeof(u32)) + (start_idx * 3 * sizeof(u32));
/* Make sure device is powered up for SRAM reads */
- spin_lock_irqsave(&bus(priv)->reg_lock, reg_flags);
- if (iwl_grab_nic_access(bus(priv))) {
- spin_unlock_irqrestore(&bus(priv)->reg_lock, reg_flags);
+ spin_lock_irqsave(&trans(priv)->reg_lock, reg_flags);
+ if (iwl_grab_nic_access(trans(priv))) {
+ spin_unlock_irqrestore(&trans(priv)->reg_lock, reg_flags);
return;
}
/* Set starting address; reads will auto-increment */
- iwl_write32(bus(priv), HBUS_TARG_MEM_RADDR, ptr);
+ iwl_write32(trans(priv), HBUS_TARG_MEM_RADDR, ptr);
rmb();
+ /*
+ * Refuse to read more than would have fit into the log from
+ * the current start_idx. This used to happen due to the race
+ * described below, but now WARN because the code below should
+ * prevent it from happening here.
+ */
+ if (WARN_ON(num_events > capacity - start_idx))
+ num_events = capacity - start_idx;
+
/*
* "time" is actually "data" for mode 0 (no timestamp).
* place event id # at far right for easier visual parsing.
*/
for (i = 0; i < num_events; i++) {
- ev = iwl_read32(bus(priv), HBUS_TARG_MEM_RDAT);
- time = iwl_read32(bus(priv), HBUS_TARG_MEM_RDAT);
+ ev = iwl_read32(trans(priv), HBUS_TARG_MEM_RDAT);
+ time = iwl_read32(trans(priv), HBUS_TARG_MEM_RDAT);
if (mode == 0) {
- trace_iwlwifi_dev_ucode_cont_event(priv,
- 0, time, ev);
+ trace_iwlwifi_dev_ucode_cont_event(priv, 0, time, ev);
} else {
- data = iwl_read32(bus(priv), HBUS_TARG_MEM_RDAT);
- trace_iwlwifi_dev_ucode_cont_event(priv,
- time, data, ev);
+ data = iwl_read32(trans(priv), HBUS_TARG_MEM_RDAT);
+ trace_iwlwifi_dev_ucode_cont_event(priv, time,
+ data, ev);
}
}
/* Allow device to power down */
- iwl_release_nic_access(bus(priv));
- spin_unlock_irqrestore(&bus(priv)->reg_lock, reg_flags);
+ iwl_release_nic_access(trans(priv));
+ spin_unlock_irqrestore(&trans(priv)->reg_lock, reg_flags);
}
static void iwl_continuous_event_trace(struct iwl_priv *priv)
{
u32 capacity; /* event log capacity in # entries */
+ struct {
+ u32 capacity;
+ u32 mode;
+ u32 wrap_counter;
+ u32 write_counter;
+ } __packed read;
u32 base; /* SRAM byte address of event log header */
u32 mode; /* 0 - no timestamp, 1 - timestamp recorded */
u32 num_wraps; /* # times uCode wrapped to top of log */
u32 next_entry; /* index of next entry to be written by uCode */
- base = priv->device_pointers.error_event_table;
+ base = priv->shrd->device_pointers.log_event_table;
if (iwlagn_hw_valid_rtc_data_addr(base)) {
- capacity = iwl_read_targ_mem(bus(priv), base);
- num_wraps = iwl_read_targ_mem(bus(priv),
- base + (2 * sizeof(u32)));
- mode = iwl_read_targ_mem(bus(priv), base + (1 * sizeof(u32)));
- next_entry = iwl_read_targ_mem(bus(priv),
- base + (3 * sizeof(u32)));
+ iwl_read_targ_mem_words(trans(priv), base, &read, sizeof(read));
+
+ capacity = read.capacity;
+ mode = read.mode;
+ num_wraps = read.wrap_counter;
+ next_entry = read.write_counter;
} else
return;
+ /*
+ * Unfortunately, the uCode doesn't use temporary variables.
+ * Therefore, it can happen that we read next_entry == capacity,
+ * which really means next_entry == 0.
+ */
+ if (unlikely(next_entry == capacity))
+ next_entry = 0;
+ /*
+ * Additionally, the uCode increases the write pointer before
+ * the wraps counter, so if the write pointer is smaller than
+ * the old write pointer (wrap occurred) but we read that no
+ * wrap occurred, we actually read between the next_entry and
+ * num_wraps update (this does happen in practice!!) -- take
+ * that into account by increasing num_wraps.
+ */
+ if (unlikely(next_entry < priv->event_log.next_entry &&
+ num_wraps == priv->event_log.num_wraps))
+ num_wraps++;
+
if (num_wraps == priv->event_log.num_wraps) {
- iwl_print_cont_event_trace(priv,
- base, priv->event_log.next_entry,
- next_entry - priv->event_log.next_entry,
- mode);
+ iwl_print_cont_event_trace(
+ priv, base, priv->event_log.next_entry,
+ next_entry - priv->event_log.next_entry,
+ capacity, mode);
+
priv->event_log.non_wraps_count++;
} else {
- if ((num_wraps - priv->event_log.num_wraps) > 1)
+ if (num_wraps - priv->event_log.num_wraps > 1)
priv->event_log.wraps_more_count++;
else
priv->event_log.wraps_once_count++;
+
trace_iwlwifi_dev_ucode_wrap_event(priv,
num_wraps - priv->event_log.num_wraps,
next_entry, priv->event_log.next_entry);
+
if (next_entry < priv->event_log.next_entry) {
- iwl_print_cont_event_trace(priv, base,
- priv->event_log.next_entry,
- capacity - priv->event_log.next_entry,
- mode);
+ iwl_print_cont_event_trace(
+ priv, base, priv->event_log.next_entry,
+ capacity - priv->event_log.next_entry,
+ capacity, mode);
- iwl_print_cont_event_trace(priv, base, 0,
- next_entry, mode);
+ iwl_print_cont_event_trace(
+ priv, base, 0, next_entry, capacity, mode);
} else {
- iwl_print_cont_event_trace(priv, base,
- next_entry, capacity - next_entry,
- mode);
+ iwl_print_cont_event_trace(
+ priv, base, next_entry,
+ capacity - next_entry,
+ capacity, mode);
- iwl_print_cont_event_trace(priv, base, 0,
- next_entry, mode);
+ iwl_print_cont_event_trace(
+ priv, base, 0, next_entry, capacity, mode);
}
}
+
priv->event_log.num_wraps = num_wraps;
priv->event_log.next_entry = next_entry;
}
iwlagn_dev_txfifo_flush(priv, IWL_DROP_ALL);
}
-/******************************************************************************
- *
- * uCode download functions
- *
- ******************************************************************************/
-
-static void iwl_free_fw_desc(struct iwl_priv *priv, struct fw_desc *desc)
-{
- if (desc->v_addr)
- dma_free_coherent(bus(priv)->dev, desc->len,
- desc->v_addr, desc->p_addr);
- desc->v_addr = NULL;
- desc->len = 0;
-}
-
-static void iwl_free_fw_img(struct iwl_priv *priv, struct fw_img *img)
-{
- iwl_free_fw_desc(priv, &img->code);
- iwl_free_fw_desc(priv, &img->data);
-}
-
-static void iwl_dealloc_ucode(struct iwl_priv *priv)
-{
- 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(bus(priv)->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;
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 iwlagn_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;
+ const char *name_pre = cfg(priv)->fw_name_pre;
char tag[8];
if (first) {
strcpy(tag, UCODE_EXPERIMENTAL_TAG);
} else if (priv->fw_index == UCODE_EXPERIMENTAL_INDEX) {
#endif
- priv->fw_index = priv->cfg->ucode_api_max;
+ priv->fw_index = cfg(priv)->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) {
+ if (priv->fw_index < cfg(priv)->ucode_api_min) {
IWL_ERR(priv, "no suitable firmware found!\n");
return -ENOENT;
}
priv->firmware_name);
return request_firmware_nowait(THIS_MODULE, 1, priv->firmware_name,
- bus(priv)->dev,
+ trans(priv)->dev,
GFP_KERNEL, priv, iwl_ucode_callback);
}
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;
+ const unsigned int api_max = cfg(priv)->ucode_api_max;
+ unsigned int api_ok = cfg(priv)->ucode_api_ok;
+ const unsigned int api_min = cfg(priv)->ucode_api_min;
u32 api_ver;
char buildstr[25];
u32 build;
/* 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,
+ if (iwl_alloc_fw_desc(trans(priv), &trans(priv)->ucode_rt.code,
pieces.inst, pieces.inst_size))
goto err_pci_alloc;
- if (iwl_alloc_fw_desc(priv, &priv->ucode_rt.data,
+ if (iwl_alloc_fw_desc(trans(priv), &trans(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,
+ if (iwl_alloc_fw_desc(trans(priv),
+ &trans(priv)->ucode_init.code,
pieces.init, pieces.init_size))
goto err_pci_alloc;
- if (iwl_alloc_fw_desc(priv, &priv->ucode_init.data,
+ if (iwl_alloc_fw_desc(trans(priv),
+ &trans(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,
+ if (iwl_alloc_fw_desc(trans(priv),
+ &trans(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,
+ if (iwl_alloc_fw_desc(trans(priv),
+ &trans(priv)->ucode_wowlan.data,
pieces.wowlan_data,
pieces.wowlan_data_size))
goto err_pci_alloc;
priv->init_evtlog_size = (pieces.init_evtlog_size - 16)/12;
else
priv->init_evtlog_size =
- priv->cfg->base_params->max_event_log_size;
+ cfg(priv)->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;
+ cfg(priv)->base_params->max_event_log_size;
priv->inst_errlog_ptr = pieces.inst_errlog_ptr;
+#ifndef CONFIG_IWLWIFI_P2P
+ ucode_capa.flags &= ~IWL_UCODE_TLV_FLAGS_PAN;
+#endif
priv->new_scan_threshold_behaviour =
!!(ucode_capa.flags & IWL_UCODE_TLV_FLAGS_NEWSCAN);
- if (!(priv->cfg->sku & EEPROM_SKU_CAP_IPAN_ENABLE))
+ if (!(cfg(priv)->sku & EEPROM_SKU_CAP_IPAN_ENABLE))
ucode_capa.flags &= ~IWL_UCODE_TLV_FLAGS_PAN;
/*
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
err_pci_alloc:
IWL_ERR(priv, "failed to allocate pci memory\n");
- iwl_dealloc_ucode(priv);
+ iwl_dealloc_ucode(trans(priv));
out_unbind:
complete(&priv->firmware_loading_complete);
- device_release_driver(bus(priv)->dev);
+ device_release_driver(trans(priv)->dev);
release_firmware(ucode_raw);
}
int ret = 0;
spin_lock_irqsave(&priv->shrd->lock, flags);
- iwl_write32(bus(priv), CSR_UCODE_DRV_GP1_CLR,
+ iwl_write32(trans(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) {
+ if (cfg(priv)->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 =
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 */
if (iwl_is_rfkill(priv->shrd))
return -ERFKILL;
+ if (priv->event_log.ucode_trace) {
+ /* start collecting data now */
+ mod_timer(&priv->ucode_trace, jiffies);
+ }
+
/* download priority table before any calibration request */
- if (priv->cfg->bt_params &&
- priv->cfg->bt_params->advanced_bt_coexist) {
+ if (cfg(priv)->bt_params &&
+ cfg(priv)->bt_params->advanced_bt_coexist) {
/* Configure Bluetooth device coexistence support */
- if (priv->cfg->bt_params->bt_sco_disable)
+ if (cfg(priv)->bt_params->bt_sco_disable)
priv->bt_enable_pspoll = false;
else
priv->bt_enable_pspoll = true;
priv->bt_valid = IWLAGN_BT_VALID_ENABLE_FLAGS;
priv->cur_rssi_ctx = NULL;
- iwlagn_send_prio_tbl(priv);
+ iwl_send_prio_tbl(trans(priv));
/* FIXME: w/a to force change uCode BT state machine */
- ret = iwlagn_send_bt_env(priv, IWL_BT_COEX_ENV_OPEN,
+ ret = iwl_send_bt_env(trans(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,
+ ret = iwl_send_bt_env(trans(priv), IWL_BT_COEX_ENV_CLOSE,
BT_COEX_PRIO_TBL_EVT_INIT_CALIB2);
if (ret)
return ret;
iwl_send_bt_config(priv);
}
- if (hw_params(priv).calib_rt_cfg)
- iwlagn_send_calib_cfg_rt(priv,
- hw_params(priv).calib_rt_cfg);
+ /*
+ * Perform runtime calibrations, including DC calibration.
+ */
+ iwlagn_send_calib_cfg_rt(priv, IWL_CALIB_CFG_DC_IDX);
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);
+ iwlagn_send_tx_ant_config(priv, cfg(priv)->valid_tx_ant);
if (iwl_is_associated_ctx(ctx) && !priv->shrd->wowlan) {
struct iwl_rxon_cmd *active_rxon =
static void iwl_cancel_deferred_work(struct iwl_priv *priv);
-static void __iwl_down(struct iwl_priv *priv)
+void __iwl_down(struct iwl_priv *priv)
{
int exit_pending;
priv->bt_status = 0;
priv->cur_rssi_ctx = NULL;
priv->bt_is_sco = 0;
- if (priv->cfg->bt_params)
+ if (cfg(priv)->bt_params)
priv->bt_traffic_load =
- priv->cfg->bt_params->bt_init_traffic_load;
+ cfg(priv)->bt_params->bt_init_traffic_load;
else
priv->bt_traffic_load = 0;
priv->bt_full_concurrent = false;
priv->beacon_skb = NULL;
}
-static void iwl_down(struct iwl_priv *priv)
+void iwl_down(struct iwl_priv *priv)
{
mutex_lock(&priv->shrd->mutex);
__iwl_down(priv);
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
mutex_unlock(&priv->shrd->mutex);
}
-static void iwlagn_prepare_restart(struct iwl_priv *priv)
+void iwlagn_prepare_restart(struct iwl_priv *priv)
{
struct iwl_rxon_context *ctx;
bool bt_full_concurrent;
}
}
-/*****************************************************************************
- *
- * 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 iwlagn_mac_setup_register(struct iwl_priv *priv,
- struct iwlagn_ucode_capabilities *capa)
+void iwlagn_disable_roc(struct iwl_priv *priv)
{
- 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(bus(priv)->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;
+ struct iwl_rxon_context *ctx = &priv->contexts[IWL_RXON_CTX_PAN];
- 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;
+ lockdep_assert_held(&priv->shrd->mutex);
- /* Default value; 4 EDCA QOS priorities */
- hw->queues = 4;
+ if (!priv->hw_roc_setup)
+ return;
- hw->max_listen_interval = IWL_CONN_MAX_LISTEN_INTERVAL;
+ ctx->staging.dev_type = RXON_DEV_TYPE_P2P;
+ ctx->staging.filter_flags &= ~RXON_FILTER_ASSOC_MSK;
- 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];
+ priv->hw_roc_channel = NULL;
- iwl_leds_init(priv);
+ memset(ctx->staging.node_addr, 0, ETH_ALEN);
- 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;
+ iwlagn_commit_rxon(priv, ctx);
- return 0;
+ ctx->is_active = false;
+ priv->hw_roc_setup = false;
}
-
-static int iwlagn_mac_start(struct ieee80211_hw *hw)
+static void iwlagn_disable_roc_work(struct work_struct *work)
{
- struct iwl_priv *priv = hw->priv;
- int ret;
-
- IWL_DEBUG_MAC80211(priv, "enter\n");
+ struct iwl_priv *priv = container_of(work, struct iwl_priv,
+ hw_roc_disable_work.work);
- /* we should be verifying the device is ready to be opened */
mutex_lock(&priv->shrd->mutex);
- ret = __iwl_up(priv);
+ iwlagn_disable_roc(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");
-}
+/*****************************************************************************
+ *
+ * driver setup and teardown
+ *
+ *****************************************************************************/
-#ifdef CONFIG_PM_SLEEP
-static int iwlagn_send_patterns(struct iwl_priv *priv,
- struct cfg80211_wowlan *wowlan)
+static void iwl_setup_deferred_work(struct iwl_priv *priv)
{
- 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;
+ priv->shrd->workqueue = create_singlethread_workqueue(DRV_NAME);
- if (!wowlan->n_patterns)
- return 0;
+ init_waitqueue_head(&priv->shrd->wait_command_queue);
- cmd.len[0] = sizeof(*pattern_cmd) +
- wowlan->n_patterns * sizeof(struct iwlagn_wowlan_pattern);
+ 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);
- pattern_cmd = kmalloc(cmd.len[0], GFP_KERNEL);
- if (!pattern_cmd)
- return -ENOMEM;
+ iwl_setup_scan_deferred_work(priv);
- pattern_cmd->n_patterns = cpu_to_le32(wowlan->n_patterns);
+ if (cfg(priv)->lib->bt_setup_deferred_work)
+ cfg(priv)->lib->bt_setup_deferred_work(priv);
- for (i = 0; i < wowlan->n_patterns; i++) {
- int mask_len = DIV_ROUND_UP(wowlan->patterns[i].pattern_len, 8);
+ init_timer(&priv->statistics_periodic);
+ priv->statistics_periodic.data = (unsigned long)priv;
+ priv->statistics_periodic.function = iwl_bg_statistics_periodic;
- 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;
- }
+ init_timer(&priv->ucode_trace);
+ priv->ucode_trace.data = (unsigned long)priv;
+ priv->ucode_trace.function = iwl_bg_ucode_trace;
- cmd.data[0] = pattern_cmd;
- err = iwl_trans_send_cmd(trans(priv), &cmd);
- kfree(pattern_cmd);
- return err;
+ init_timer(&priv->watchdog);
+ priv->watchdog.data = (unsigned long)priv;
+ priv->watchdog.function = iwl_bg_watchdog;
}
-#endif
-static void iwlagn_mac_set_rekey_data(struct ieee80211_hw *hw,
- struct ieee80211_vif *vif,
- struct cfg80211_gtk_rekey_data *data)
+static void iwl_cancel_deferred_work(struct iwl_priv *priv)
{
- struct iwl_priv *priv = hw->priv;
-
- if (iwlagn_mod_params.sw_crypto)
- return;
+ if (cfg(priv)->lib->cancel_deferred_work)
+ cfg(priv)->lib->cancel_deferred_work(priv);
- IWL_DEBUG_MAC80211(priv, "enter\n");
- mutex_lock(&priv->shrd->mutex);
+ cancel_work_sync(&priv->run_time_calib_work);
+ cancel_work_sync(&priv->beacon_update);
- if (priv->contexts[IWL_RXON_CTX_BSS].vif != vif)
- goto out;
+ iwl_cancel_scan_deferred_work(priv);
- 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;
+ cancel_work_sync(&priv->bt_full_concurrency);
+ cancel_work_sync(&priv->bt_runtime_config);
+ cancel_delayed_work_sync(&priv->hw_roc_disable_work);
- out:
- mutex_unlock(&priv->shrd->mutex);
- IWL_DEBUG_MAC80211(priv, "leave\n");
+ del_timer_sync(&priv->statistics_periodic);
+ del_timer_sync(&priv->ucode_trace);
}
-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)
+static void iwl_init_hw_rates(struct iwl_priv *priv,
+ struct ieee80211_rate *rates)
{
int i;
- for (i = 0; i < IWLAGN_P1K_SIZE; i++)
- out[i] = cpu_to_le16(p1k[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 void iwlagn_wowlan_program_keys(struct ieee80211_hw *hw,
- struct ieee80211_vif *vif,
- struct ieee80211_sta *sta,
- struct ieee80211_key_conf *key,
- void *_data)
+static int iwl_init_drv(struct iwl_priv *priv)
{
- 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);
+ int ret;
- 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);
+ spin_lock_init(&priv->shrd->sta_lock);
- if (ret) {
- IWL_ERR(priv, "Error setting key during suspend!\n");
- data->error = true;
- }
+ mutex_init(&priv->shrd->mutex);
- 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;
+ INIT_LIST_HEAD(&trans(priv)->calib_results);
- rx_p1ks = data->tkip->rx_uni;
+ priv->ieee_channels = NULL;
+ priv->ieee_rates = NULL;
+ priv->band = IEEE80211_BAND_2GHZ;
- 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);
+ 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;
- ieee80211_get_tkip_p1k_iv(key, seq.tkip.iv32, p1k);
- iwlagn_convert_p1k(p1k, data->tkip->tx.p1k);
+ /* 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;
- memcpy(data->tkip->mic_keys.tx,
- &key->key[NL80211_TKIP_DATA_OFFSET_TX_MIC_KEY],
- IWLAGN_MIC_KEY_SIZE);
+ priv->rx_statistics_jiffies = jiffies;
- 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;
- }
+ /* Choose which receivers/antennas to use */
+ iwlagn_set_rxon_chain(priv, &priv->contexts[IWL_RXON_CTX_BSS]);
- /*
- * 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;
-
- IWL_DEBUG_MAC80211(priv, "enter\n");
- 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(bus(priv)->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);
- IWL_DEBUG_MAC80211(priv, "leave\n");
-
- 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;
-
- IWL_DEBUG_MAC80211(priv, "enter\n");
- 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(bus(priv)->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);
- IWL_DEBUG_MAC80211(priv, "leave\n");
-
- 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;
- }
-
- switch (key->cipher) {
- case WLAN_CIPHER_SUITE_TKIP:
- key->flags |= IEEE80211_KEY_FLAG_GENERATE_MMIC;
- /* fall through */
- case WLAN_CIPHER_SUITE_CCMP:
- key->flags |= IEEE80211_KEY_FLAG_GENERATE_IV;
- break;
- default:
- break;
- }
-
- /*
- * 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;
-
- IWL_DEBUG_MAC80211(priv, "enter\n");
- 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);
- 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->agg_tids_count && 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;
- }
- priv->agg_tids_count++;
- IWL_DEBUG_HT(priv, "priv->agg_tids_count = %u\n",
- priv->agg_tids_count);
-
- 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);
- IWL_DEBUG_MAC80211(priv, "leave\n");
- 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 = 0;
- u8 sta_id;
-
- IWL_DEBUG_MAC80211(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 ? */
- goto out;
- }
-
- 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);
- out:
- mutex_unlock(&priv->shrd->mutex);
- IWL_DEBUG_MAC80211(priv, "leave\n");
-
- return ret;
-}
-
-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)
- iwlagn_config_ht40(conf, ctx);
- 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 iwlagn_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;
-
- IWL_DEBUG_MAC80211(priv, "enter\n");
- 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);
- IWL_DEBUG_MAC80211(priv, "leave\n");
-
- return err;
-}
-
-static int iwlagn_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;
-
- IWL_DEBUG_MAC80211(priv, "enter\n");
- mutex_lock(&priv->shrd->mutex);
- iwl_scan_cancel_timeout(priv, priv->hw_roc_duration);
- iwlagn_disable_roc(priv);
- mutex_unlock(&priv->shrd->mutex);
- IWL_DEBUG_MAC80211(priv, "leave\n");
-
- return 0;
-}
-
-static int iwlagn_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;
-
- if (ctx->ctxid != IWL_RXON_CTX_PAN)
- return 0;
-
- IWL_DEBUG_MAC80211(priv, "enter\n");
- 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);
- IWL_DEBUG_MAC80211(priv, "leave\n");
-
- return ret;
-}
-
-static void iwlagn_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;
-
- if (ctx->ctxid != IWL_RXON_CTX_PAN)
- return;
-
- IWL_DEBUG_MAC80211(priv, "enter\n");
- 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);
- IWL_DEBUG_MAC80211(priv, "leave\n");
-}
-
-/*****************************************************************************
- *
- * 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);
+ iwl_init_scan_params(priv);
/* init bt coex */
- if (priv->cfg->bt_params &&
- priv->cfg->bt_params->advanced_bt_coexist) {
+ if (cfg(priv)->bt_params &&
+ cfg(priv)->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;
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);
+ kfree(rcu_dereference_raw(priv->noa_data));
#ifdef CONFIG_IWLWIFI_DEBUGFS
kfree(priv->wowlan_sram);
#endif
}
-static void iwlagn_mac_rssi_callback(struct ieee80211_hw *hw,
- enum ieee80211_rssi_event rssi_event)
-{
- struct iwl_priv *priv = hw->priv;
-
- IWL_DEBUG_MAC80211(priv, "enter\n");
- 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);
- IWL_DEBUG_MAC80211(priv, "leave\n");
-}
-
-static int iwlagn_mac_set_tim(struct ieee80211_hw *hw,
- struct ieee80211_sta *sta, bool set)
-{
- struct iwl_priv *priv = hw->priv;
-
- queue_work(priv->shrd->workqueue, &priv->beacon_update);
-
- return 0;
-}
-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 = iwlagn_mac_add_interface,
- .remove_interface = iwlagn_mac_remove_interface,
- .change_interface = iwlagn_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 = iwlagn_mac_conf_tx,
- .bss_info_changed = iwlagn_bss_info_changed,
- .ampdu_action = iwlagn_mac_ampdu_action,
- .hw_scan = iwlagn_mac_hw_scan,
- .sta_notify = iwlagn_mac_sta_notify,
- .sta_add = iwlagn_mac_sta_add,
- .sta_remove = iwlagn_mac_sta_remove,
- .channel_switch = iwlagn_mac_channel_switch,
- .flush = iwlagn_mac_flush,
- .tx_last_beacon = iwlagn_mac_tx_last_beacon,
- .remain_on_channel = iwlagn_mac_remain_on_channel,
- .cancel_remain_on_channel = iwlagn_mac_cancel_remain_on_channel,
- .rssi_callback = iwlagn_mac_rssi_callback,
- CFG80211_TESTMODE_CMD(iwlagn_mac_testmode_cmd)
- CFG80211_TESTMODE_DUMP(iwlagn_mac_testmode_dump)
- .tx_sync = iwlagn_mac_tx_sync,
- .finish_tx_sync = iwlagn_mac_finish_tx_sync,
- .set_tim = iwlagn_mac_set_tim,
-};
static u32 iwl_hw_detect(struct iwl_priv *priv)
{
- return iwl_read32(bus(priv), CSR_HW_REV);
+ return iwl_read32(trans(priv), CSR_HW_REV);
}
/* Size of one Rx buffer in host DRAM */
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;
+ if (iwlagn_mod_params.disable_11n & IWL_DISABLE_HT_ALL)
+ cfg(priv)->sku &= ~EEPROM_SKU_CAP_11N_ENABLE;
hw_params(priv).num_ampdu_queues =
- priv->cfg->base_params->num_of_ampdu_queues;
+ cfg(priv)->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;
+ cfg(priv)->base_params->shadow_reg_enable;
+ hw_params(priv).sku = cfg(priv)->sku;
+ hw_params(priv).wd_timeout = cfg(priv)->base_params->wd_timeout;
/* Device-specific setup */
- return priv->cfg->lib->set_hw_params(priv);
+ return cfg(priv)->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;
+static void iwl_debug_config(struct iwl_priv *priv)
+{
+ dev_printk(KERN_INFO, trans(priv)->dev, "CONFIG_IWLWIFI_DEBUG "
+#ifdef CONFIG_IWLWIFI_DEBUG
+ "enabled\n");
+#else
+ "disabled\n");
+#endif
+ dev_printk(KERN_INFO, trans(priv)->dev, "CONFIG_IWLWIFI_DEBUGFS "
+#ifdef CONFIG_IWLWIFI_DEBUGFS
+ "enabled\n");
+#else
+ "disabled\n");
+#endif
+ dev_printk(KERN_INFO, trans(priv)->dev, "CONFIG_IWLWIFI_DEVICE_TRACING "
+#ifdef CONFIG_IWLWIFI_DEVICE_TRACING
+ "enabled\n");
+#else
+ "disabled\n");
+#endif
-out:
- return hw;
+ dev_printk(KERN_INFO, trans(priv)->dev, "CONFIG_IWLWIFI_DEVICE_TESTMODE "
+#ifdef CONFIG_IWLWIFI_DEVICE_TESTMODE
+ "enabled\n");
+#else
+ "disabled\n");
+#endif
+ dev_printk(KERN_INFO, trans(priv)->dev, "CONFIG_IWLWIFI_P2P "
+#ifdef CONFIG_IWLWIFI_P2P
+ "enabled\n");
+#else
+ "disabled\n");
+#endif
}
int iwl_probe(struct iwl_bus *bus, const struct iwl_trans_ops *trans_ops,
/************************
* 1. Allocating HW data
************************/
- hw = iwl_alloc_all(cfg);
+ hw = iwl_alloc_all();
if (!hw) {
+ pr_err("%s: Cannot allocate network device\n", cfg->name);
err = -ENOMEM;
goto out;
}
priv = hw->priv;
- priv->shrd = &priv->_shrd;
- bus->shrd = priv->shrd;
- priv->shrd->bus = bus;
+ priv->shrd = bus->shrd;
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, bus(priv)->dev);
+ SET_IEEE80211_DEV(hw, trans(priv)->dev);
+
+ /* what debugging capabilities we have */
+ iwl_debug_config(priv);
IWL_DEBUG_INFO(priv, "*** LOAD DRIVER ***\n");
- priv->cfg = cfg;
+ cfg(priv) = cfg;
/* is antenna coupling more than 35dB ? */
priv->bt_ant_couple_ok =
/* 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(&trans(priv)->reg_lock);
spin_lock_init(&priv->shrd->lock);
/*
* 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);
+ iwl_write32(trans(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);
+ cfg(priv)->name, hw_rev);
- err = iwl_trans_request_irq(trans(priv));
+ err = iwl_trans_start_hw(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;
- }
+ goto out_free_traffic_mem;
/*****************
* 4. Read EEPROM
*****************/
/* Read the EEPROM */
err = iwl_eeprom_init(priv, hw_rev);
+ /* Reset chip to save power until we load uCode during "up". */
+ iwl_apm_stop(priv);
if (err) {
IWL_ERR(priv, "Unable to init EEPROM\n");
- goto out_free_trans;
+ goto out_free_traffic_mem;
}
err = iwl_eeprom_check_version(priv);
if (err)
goto out_free_eeprom;
/* extract MAC Address */
- iwl_eeprom_get_mac(priv, priv->addresses[0].addr);
+ iwl_eeprom_get_mac(priv->shrd, 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);
+ num_mac = iwl_eeprom_query16(priv->shrd, EEPROM_NUM_MAC_ADDRESS);
if (num_mac > 1) {
memcpy(priv->addresses[1].addr, priv->addresses[0].addr,
ETH_ALEN);
iwl_enable_rfkill_int(priv);
/* If platform's RF_KILL switch is NOT set to KILL */
- if (iwl_read32(bus(priv),
+ if (iwl_read32(trans(priv),
CSR_GP_CNTRL) & CSR_GP_CNTRL_REG_FLAG_HW_RF_KILL_SW)
clear_bit(STATUS_RF_KILL_HW, &priv->shrd->status);
else
priv->shrd->workqueue = NULL;
iwl_uninit_drv(priv);
out_free_eeprom:
- iwl_eeprom_free(priv);
-out_free_trans:
- iwl_trans_free(trans(priv));
+ iwl_eeprom_free(priv->shrd);
out_free_traffic_mem:
iwl_free_traffic_mem(priv);
ieee80211_free_hw(priv->hw);
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;
- }
+ iwlagn_mac_unregister(priv);
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_dealloc_ucode(trans(priv));
- iwl_eeprom_free(priv);
+ iwl_eeprom_free(priv->shrd);
/*netif_stop_queue(dev); */
flush_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);
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(11n_disable, iwlagn_mod_params.disable_11n, uint, S_IRUGO);
+MODULE_PARM_DESC(11n_disable,
+ "disable 11n functionality, bitmap: 1: full, 2: agg TX, 4: agg RX");
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(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)");
+ "1=On(RF On)/Off(RF Off), 2=blinking, 3=Off (default: 0)");
module_param_named(power_save, iwlagn_mod_params.power_save,
bool, S_IRUGO);
projects / cascardo / linux.git / blobdiff