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path: root/drivers/net/wireless/iwlwifi/iwl-mac80211.c
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Diffstat (limited to 'drivers/net/wireless/iwlwifi/iwl-mac80211.c')
-rw-r--r--drivers/net/wireless/iwlwifi/iwl-mac80211.c505
1 files changed, 248 insertions, 257 deletions
diff --git a/drivers/net/wireless/iwlwifi/iwl-mac80211.c b/drivers/net/wireless/iwlwifi/iwl-mac80211.c
index f980e574e1f9..b6805f8e9a01 100644
--- a/drivers/net/wireless/iwlwifi/iwl-mac80211.c
+++ b/drivers/net/wireless/iwlwifi/iwl-mac80211.c
@@ -1,6 +1,6 @@
/******************************************************************************
*
- * 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.
@@ -35,7 +35,6 @@
#include <linux/sched.h>
#include <linux/skbuff.h>
#include <linux/netdevice.h>
-#include <linux/firmware.h>
#include <linux/etherdevice.h>
#include <linux/if_arp.h>
@@ -44,15 +43,14 @@
#include <asm/div64.h>
#include "iwl-eeprom.h"
-#include "iwl-wifi.h"
#include "iwl-dev.h"
#include "iwl-core.h"
#include "iwl-io.h"
#include "iwl-agn-calib.h"
#include "iwl-agn.h"
#include "iwl-shared.h"
-#include "iwl-bus.h"
#include "iwl-trans.h"
+#include "iwl-op-mode.h"
/*****************************************************************************
*
@@ -136,7 +134,7 @@ iwlagn_iface_combinations_p2p[] = {
* other mac80211 functions grouped here.
*/
int iwlagn_mac_setup_register(struct iwl_priv *priv,
- struct iwlagn_ucode_capabilities *capa)
+ const struct iwl_ucode_capabilities *capa)
{
int ret;
struct ieee80211_hw *hw = priv->hw;
@@ -161,11 +159,14 @@ int iwlagn_mac_setup_register(struct iwl_priv *priv,
hw->flags |= IEEE80211_HW_SUPPORTS_PS |
IEEE80211_HW_SUPPORTS_DYNAMIC_PS;
- if (cfg(priv)->sku & EEPROM_SKU_CAP_11N_ENABLE)
+ if (hw_params(priv).sku & EEPROM_SKU_CAP_11N_ENABLE)
hw->flags |= IEEE80211_HW_SUPPORTS_DYNAMIC_SMPS |
IEEE80211_HW_SUPPORTS_STATIC_SMPS;
+#ifndef CONFIG_IWLWIFI_EXPERIMENTAL_MFP
+ /* enable 11w if the uCode advertise */
if (capa->flags & IWL_UCODE_TLV_FLAGS_MFP)
+#endif /* !CONFIG_IWLWIFI_EXPERIMENTAL_MFP */
hw->flags |= IEEE80211_HW_MFP_CAPABLE;
hw->sta_data_size = sizeof(struct iwl_station_priv);
@@ -195,8 +196,9 @@ int iwlagn_mac_setup_register(struct iwl_priv *priv,
WIPHY_FLAG_DISABLE_BEACON_HINTS |
WIPHY_FLAG_IBSS_RSN;
- if (trans(priv)->ucode_wowlan.code.len &&
- device_can_wakeup(bus(priv)->dev)) {
+ if (priv->fw->img[IWL_UCODE_WOWLAN].sec[0].len &&
+ trans(priv)->ops->wowlan_suspend &&
+ device_can_wakeup(trans(priv)->dev)) {
hw->wiphy->wowlan.flags = WIPHY_WOWLAN_MAGIC_PKT |
WIPHY_WOWLAN_DISCONNECT |
WIPHY_WOWLAN_EAP_IDENTITY_REQ |
@@ -234,7 +236,7 @@ int iwlagn_mac_setup_register(struct iwl_priv *priv,
priv->hw->wiphy->bands[IEEE80211_BAND_5GHZ] =
&priv->bands[IEEE80211_BAND_5GHZ];
- hw->wiphy->hw_version = bus_get_hw_id(bus(priv));
+ hw->wiphy->hw_version = trans(priv)->hw_id;
iwl_leds_init(priv);
@@ -262,9 +264,9 @@ static int __iwl_up(struct iwl_priv *priv)
struct iwl_rxon_context *ctx;
int ret;
- lockdep_assert_held(&priv->shrd->mutex);
+ lockdep_assert_held(&priv->mutex);
- if (test_bit(STATUS_EXIT_PENDING, &priv->shrd->status)) {
+ if (test_bit(STATUS_EXIT_PENDING, &priv->status)) {
IWL_WARN(priv, "Exit pending; will not bring the NIC up\n");
return -EIO;
}
@@ -277,13 +279,13 @@ static int __iwl_up(struct iwl_priv *priv)
}
}
- ret = iwl_run_init_ucode(trans(priv));
+ ret = iwl_run_init_ucode(priv);
if (ret) {
IWL_ERR(priv, "Failed to run INIT ucode: %d\n", ret);
goto error;
}
- ret = iwl_load_ucode_wait_alive(trans(priv), IWL_UCODE_REGULAR);
+ ret = iwl_load_ucode_wait_alive(priv, IWL_UCODE_REGULAR);
if (ret) {
IWL_ERR(priv, "Failed to start RT ucode: %d\n", ret);
goto error;
@@ -295,9 +297,9 @@ static int __iwl_up(struct iwl_priv *priv)
return 0;
error:
- set_bit(STATUS_EXIT_PENDING, &priv->shrd->status);
- __iwl_down(priv);
- clear_bit(STATUS_EXIT_PENDING, &priv->shrd->status);
+ set_bit(STATUS_EXIT_PENDING, &priv->status);
+ iwl_down(priv);
+ clear_bit(STATUS_EXIT_PENDING, &priv->status);
IWL_ERR(priv, "Unable to initialize device.\n");
return ret;
@@ -305,22 +307,22 @@ static int __iwl_up(struct iwl_priv *priv)
static int iwlagn_mac_start(struct ieee80211_hw *hw)
{
- struct iwl_priv *priv = hw->priv;
+ struct iwl_priv *priv = IWL_MAC80211_GET_DVM(hw);
int ret;
IWL_DEBUG_MAC80211(priv, "enter\n");
/* we should be verifying the device is ready to be opened */
- mutex_lock(&priv->shrd->mutex);
+ mutex_lock(&priv->mutex);
ret = __iwl_up(priv);
- mutex_unlock(&priv->shrd->mutex);
+ mutex_unlock(&priv->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)))
+ if (WARN_ON(!test_bit(STATUS_READY, &priv->status)))
ret = -EIO;
iwlagn_led_enable(priv);
@@ -332,7 +334,7 @@ static int iwlagn_mac_start(struct ieee80211_hw *hw)
static void iwlagn_mac_stop(struct ieee80211_hw *hw)
{
- struct iwl_priv *priv = hw->priv;
+ struct iwl_priv *priv = IWL_MAC80211_GET_DVM(hw);
IWL_DEBUG_MAC80211(priv, "enter\n");
@@ -341,14 +343,19 @@ static void iwlagn_mac_stop(struct ieee80211_hw *hw)
priv->is_open = 0;
+ mutex_lock(&priv->mutex);
iwl_down(priv);
+ mutex_unlock(&priv->mutex);
+
+ iwl_cancel_deferred_work(priv);
- flush_workqueue(priv->shrd->workqueue);
+ flush_workqueue(priv->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);
+ * even if interface is down, trans->down will leave the RF
+ * kill interrupt enabled
+ */
+ iwl_trans_stop_hw(trans(priv));
IWL_DEBUG_MAC80211(priv, "leave\n");
}
@@ -357,13 +364,13 @@ 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;
+ struct iwl_priv *priv = IWL_MAC80211_GET_DVM(hw);
if (iwlagn_mod_params.sw_crypto)
return;
IWL_DEBUG_MAC80211(priv, "enter\n");
- mutex_lock(&priv->shrd->mutex);
+ mutex_lock(&priv->mutex);
if (priv->contexts[IWL_RXON_CTX_BSS].vif != vif)
goto out;
@@ -375,7 +382,7 @@ static void iwlagn_mac_set_rekey_data(struct ieee80211_hw *hw,
priv->have_rekey_data = true;
out:
- mutex_unlock(&priv->shrd->mutex);
+ mutex_unlock(&priv->mutex);
IWL_DEBUG_MAC80211(priv, "leave\n");
}
@@ -384,7 +391,7 @@ static void iwlagn_mac_set_rekey_data(struct ieee80211_hw *hw,
static int iwlagn_mac_suspend(struct ieee80211_hw *hw,
struct cfg80211_wowlan *wowlan)
{
- struct iwl_priv *priv = hw->priv;
+ struct iwl_priv *priv = IWL_MAC80211_GET_DVM(hw);
struct iwl_rxon_context *ctx = &priv->contexts[IWL_RXON_CTX_BSS];
int ret;
@@ -392,7 +399,7 @@ static int iwlagn_mac_suspend(struct ieee80211_hw *hw,
return -EINVAL;
IWL_DEBUG_MAC80211(priv, "enter\n");
- mutex_lock(&priv->shrd->mutex);
+ mutex_lock(&priv->mutex);
/* Don't attempt WoWLAN when not associated, tear down instead. */
if (!ctx->vif || ctx->vif->type != NL80211_IFTYPE_STATION ||
@@ -401,24 +408,22 @@ static int iwlagn_mac_suspend(struct ieee80211_hw *hw,
goto out;
}
- ret = iwlagn_suspend(priv, hw, wowlan);
+ ret = iwlagn_suspend(priv, wowlan);
if (ret)
goto error;
- device_set_wakeup_enable(bus(priv)->dev, true);
+ device_set_wakeup_enable(trans(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);
+ iwl_trans_wowlan_suspend(trans(priv));
goto out;
error:
- priv->shrd->wowlan = false;
+ priv->wowlan = false;
iwlagn_prepare_restart(priv);
ieee80211_restart_hw(priv->hw);
out:
- mutex_unlock(&priv->shrd->mutex);
+ mutex_unlock(&priv->mutex);
IWL_DEBUG_MAC80211(priv, "leave\n");
return ret;
@@ -426,42 +431,45 @@ static int iwlagn_mac_suspend(struct ieee80211_hw *hw,
static int iwlagn_mac_resume(struct ieee80211_hw *hw)
{
- struct iwl_priv *priv = hw->priv;
+ struct iwl_priv *priv = IWL_MAC80211_GET_DVM(hw);
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;
+ const struct fw_img *img;
IWL_DEBUG_MAC80211(priv, "enter\n");
- mutex_lock(&priv->shrd->mutex);
+ mutex_lock(&priv->mutex);
- iwl_write32(bus(priv), CSR_UCODE_DRV_GP1_CLR,
+ iwl_write32(trans(priv), CSR_UCODE_DRV_GP1_CLR,
CSR_UCODE_DRV_GP1_BIT_D3_CFG_COMPLETE);
base = priv->shrd->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_lock_irqsave(&trans(priv)->reg_lock, flags);
+ ret = iwl_grab_nic_access_silent(trans(priv));
+ if (likely(ret == 0)) {
+ iwl_write32(trans(priv), HBUS_TARG_MEM_RADDR, base);
+ status = iwl_read32(trans(priv), HBUS_TARG_MEM_RDAT);
+ iwl_release_nic_access(trans(priv));
}
- spin_unlock_irqrestore(&bus(priv)->reg_lock, flags);
+ spin_unlock_irqrestore(&trans(priv)->reg_lock, flags);
#ifdef CONFIG_IWLWIFI_DEBUGFS
if (ret == 0) {
- struct iwl_trans *trans = trans(priv);
- if (!priv->wowlan_sram)
+ img = &(priv->fw->img[IWL_UCODE_WOWLAN]);
+ if (!priv->wowlan_sram) {
priv->wowlan_sram =
- kzalloc(trans->ucode_wowlan.data.len,
+ kzalloc(img->sec[IWL_UCODE_SECTION_DATA].len,
GFP_KERNEL);
+ }
if (priv->wowlan_sram)
_iwl_read_targ_mem_words(
- bus(priv), 0x800000, priv->wowlan_sram,
- trans->ucode_wowlan.data.len / 4);
+ trans(priv), 0x800000,
+ priv->wowlan_sram,
+ img->sec[IWL_UCODE_SECTION_DATA].len / 4);
}
#endif
}
@@ -469,9 +477,9 @@ static int iwlagn_mac_resume(struct ieee80211_hw *hw)
/* we'll clear ctx->vif during iwlagn_prepare_restart() */
vif = ctx->vif;
- priv->shrd->wowlan = false;
+ priv->wowlan = false;
- device_set_wakeup_enable(bus(priv)->dev, false);
+ device_set_wakeup_enable(trans(priv)->dev, false);
iwlagn_prepare_restart(priv);
@@ -479,7 +487,7 @@ static int iwlagn_mac_resume(struct ieee80211_hw *hw)
iwl_connection_init_rx_config(priv, ctx);
iwlagn_set_rxon_chain(priv, ctx);
- mutex_unlock(&priv->shrd->mutex);
+ mutex_unlock(&priv->mutex);
IWL_DEBUG_MAC80211(priv, "leave\n");
ieee80211_resume_disconnect(vif);
@@ -491,7 +499,7 @@ static int iwlagn_mac_resume(struct ieee80211_hw *hw)
static void iwlagn_mac_tx(struct ieee80211_hw *hw, struct sk_buff *skb)
{
- struct iwl_priv *priv = hw->priv;
+ struct iwl_priv *priv = IWL_MAC80211_GET_DVM(hw);
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);
@@ -506,7 +514,7 @@ static void iwlagn_mac_update_tkip_key(struct ieee80211_hw *hw,
struct ieee80211_sta *sta,
u32 iv32, u16 *phase1key)
{
- struct iwl_priv *priv = hw->priv;
+ struct iwl_priv *priv = IWL_MAC80211_GET_DVM(hw);
iwl_update_tkip_key(priv, vif, keyconf, sta, iv32, phase1key);
}
@@ -516,7 +524,7 @@ static int iwlagn_mac_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd,
struct ieee80211_sta *sta,
struct ieee80211_key_conf *key)
{
- struct iwl_priv *priv = hw->priv;
+ struct iwl_priv *priv = IWL_MAC80211_GET_DVM(hw);
struct iwl_vif_priv *vif_priv = (void *)vif->drv_priv;
struct iwl_rxon_context *ctx = vif_priv->ctx;
int ret;
@@ -557,7 +565,7 @@ static int iwlagn_mac_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd,
if (cmd == DISABLE_KEY && key->hw_key_idx == WEP_INVALID_OFFSET)
return 0;
- mutex_lock(&priv->shrd->mutex);
+ mutex_lock(&priv->mutex);
iwl_scan_cancel_timeout(priv, 100);
BUILD_BUG_ON(WEP_INVALID_OFFSET == IWLAGN_HW_KEY_DEFAULT);
@@ -608,7 +616,7 @@ static int iwlagn_mac_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd,
ret = -EINVAL;
}
- mutex_unlock(&priv->shrd->mutex);
+ mutex_unlock(&priv->mutex);
IWL_DEBUG_MAC80211(priv, "leave\n");
return ret;
@@ -620,18 +628,18 @@ static int iwlagn_mac_ampdu_action(struct ieee80211_hw *hw,
struct ieee80211_sta *sta, u16 tid, u16 *ssn,
u8 buf_size)
{
- struct iwl_priv *priv = hw->priv;
+ struct iwl_priv *priv = IWL_MAC80211_GET_DVM(hw);
int ret = -EINVAL;
struct iwl_station_priv *sta_priv = (void *) sta->drv_priv;
IWL_DEBUG_HT(priv, "A-MPDU action on addr %pM tid %d\n",
sta->addr, tid);
- if (!(cfg(priv)->sku & EEPROM_SKU_CAP_11N_ENABLE))
+ if (!(hw_params(priv).sku & EEPROM_SKU_CAP_11N_ENABLE))
return -EACCES;
IWL_DEBUG_MAC80211(priv, "enter\n");
- mutex_lock(&priv->shrd->mutex);
+ mutex_lock(&priv->mutex);
switch (action) {
case IEEE80211_AMPDU_RX_START:
@@ -643,8 +651,6 @@ static int iwlagn_mac_ampdu_action(struct ieee80211_hw *hw,
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:
if (iwlagn_mod_params.disable_11n & IWL_DISABLE_HT_TXAGG)
@@ -660,10 +666,8 @@ static int iwlagn_mac_ampdu_action(struct ieee80211_hw *hw,
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 && cfg(priv)->ht_params &&
- cfg(priv)->ht_params->use_rts_for_aggregation) {
+ if (!priv->agg_tids_count &&
+ hw_params(priv).use_rts_for_aggregation) {
/*
* switch off RTS/CTS if it was previously enabled
*/
@@ -677,7 +681,7 @@ static int iwlagn_mac_ampdu_action(struct ieee80211_hw *hw,
ret = iwlagn_tx_agg_oper(priv, vif, sta, tid, buf_size);
break;
}
- mutex_unlock(&priv->shrd->mutex);
+ mutex_unlock(&priv->mutex);
IWL_DEBUG_MAC80211(priv, "leave\n");
return ret;
}
@@ -686,16 +690,13 @@ 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_priv *priv = IWL_MAC80211_GET_DVM(hw);
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;
+ int ret;
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;
@@ -710,17 +711,119 @@ static int iwlagn_mac_sta_add(struct ieee80211_hw *hw,
IWL_ERR(priv, "Unable to add station %pM (%d)\n",
sta->addr, ret);
/* Should we return success if return code is EEXIST ? */
- goto out;
+ 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);
- out:
- mutex_unlock(&priv->shrd->mutex);
+ return 0;
+}
+
+static int iwlagn_mac_sta_remove(struct ieee80211_hw *hw,
+ struct ieee80211_vif *vif,
+ struct ieee80211_sta *sta)
+{
+ struct iwl_priv *priv = IWL_MAC80211_GET_DVM(hw);
+ struct iwl_station_priv *sta_priv = (void *)sta->drv_priv;
+ int ret;
+
+ IWL_DEBUG_INFO(priv, "proceeding to remove station %pM\n", sta->addr);
+
+ if (vif->type == NL80211_IFTYPE_STATION) {
+ /*
+ * Station will be removed from device when the RXON
+ * is set to unassociated -- just deactivate it here
+ * to avoid re-programming it.
+ */
+ ret = 0;
+ iwl_deactivate_station(priv, sta_priv->sta_id, sta->addr);
+ } else {
+ ret = iwl_remove_station(priv, sta_priv->sta_id, sta->addr);
+ if (ret)
+ IWL_DEBUG_QUIET_RFKILL(priv,
+ "Error removing station %pM\n", sta->addr);
+ }
+ return ret;
+}
+
+static int iwlagn_mac_sta_state(struct ieee80211_hw *hw,
+ struct ieee80211_vif *vif,
+ struct ieee80211_sta *sta,
+ enum ieee80211_sta_state old_state,
+ enum ieee80211_sta_state new_state)
+{
+ struct iwl_priv *priv = IWL_MAC80211_GET_DVM(hw);
+ struct iwl_vif_priv *vif_priv = (void *)vif->drv_priv;
+ enum {
+ NONE, ADD, REMOVE, HT_RATE_INIT, ADD_RATE_INIT,
+ } op = NONE;
+ int ret;
+
+ IWL_DEBUG_MAC80211(priv, "station %pM state change %d->%d\n",
+ sta->addr, old_state, new_state);
+
+ mutex_lock(&priv->mutex);
+ if (vif->type == NL80211_IFTYPE_STATION) {
+ if (old_state == IEEE80211_STA_NOTEXIST &&
+ new_state == IEEE80211_STA_NONE)
+ op = ADD;
+ else if (old_state == IEEE80211_STA_NONE &&
+ new_state == IEEE80211_STA_NOTEXIST)
+ op = REMOVE;
+ else if (old_state == IEEE80211_STA_AUTH &&
+ new_state == IEEE80211_STA_ASSOC)
+ op = HT_RATE_INIT;
+ } else {
+ if (old_state == IEEE80211_STA_AUTH &&
+ new_state == IEEE80211_STA_ASSOC)
+ op = ADD_RATE_INIT;
+ else if (old_state == IEEE80211_STA_ASSOC &&
+ new_state == IEEE80211_STA_AUTH)
+ op = REMOVE;
+ }
+
+ switch (op) {
+ case ADD:
+ ret = iwlagn_mac_sta_add(hw, vif, sta);
+ break;
+ case REMOVE:
+ ret = iwlagn_mac_sta_remove(hw, vif, sta);
+ break;
+ case ADD_RATE_INIT:
+ ret = iwlagn_mac_sta_add(hw, vif, sta);
+ if (ret)
+ break;
+ /* Initialize rate scaling */
+ IWL_DEBUG_INFO(priv,
+ "Initializing rate scaling for station %pM\n",
+ sta->addr);
+ iwl_rs_rate_init(priv, sta, iwl_sta_id(sta));
+ ret = 0;
+ break;
+ case HT_RATE_INIT:
+ /* Initialize rate scaling */
+ ret = iwl_sta_update_ht(priv, vif_priv->ctx, sta);
+ if (ret)
+ break;
+ IWL_DEBUG_INFO(priv,
+ "Initializing rate scaling for station %pM\n",
+ sta->addr);
+ iwl_rs_rate_init(priv, sta, iwl_sta_id(sta));
+ ret = 0;
+ break;
+ default:
+ ret = 0;
+ break;
+ }
+
+ /*
+ * mac80211 might WARN if we fail, but due the way we
+ * (badly) handle hard rfkill, we might fail here
+ */
+ if (iwl_is_rfkill(priv))
+ ret = 0;
+
+ mutex_unlock(&priv->mutex);
IWL_DEBUG_MAC80211(priv, "leave\n");
return ret;
@@ -729,7 +832,7 @@ static int iwlagn_mac_sta_add(struct ieee80211_hw *hw,
static void iwlagn_mac_channel_switch(struct ieee80211_hw *hw,
struct ieee80211_channel_switch *ch_switch)
{
- struct iwl_priv *priv = hw->priv;
+ struct iwl_priv *priv = IWL_MAC80211_GET_DVM(hw);
const struct iwl_channel_info *ch_info;
struct ieee80211_conf *conf = &hw->conf;
struct ieee80211_channel *channel = ch_switch->channel;
@@ -747,14 +850,14 @@ static void iwlagn_mac_channel_switch(struct ieee80211_hw *hw,
IWL_DEBUG_MAC80211(priv, "enter\n");
- mutex_lock(&priv->shrd->mutex);
+ mutex_lock(&priv->mutex);
- if (iwl_is_rfkill(priv->shrd))
+ if (iwl_is_rfkill(priv))
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))
+ if (test_bit(STATUS_EXIT_PENDING, &priv->status) ||
+ test_bit(STATUS_SCANNING, &priv->status) ||
+ test_bit(STATUS_CHANNEL_SWITCH_PENDING, &priv->status))
goto out;
if (!iwl_is_associated_ctx(ctx))
@@ -773,8 +876,6 @@ static void iwlagn_mac_channel_switch(struct ieee80211_hw *hw,
goto out;
}
- spin_lock_irq(&priv->shrd->lock);
-
priv->current_ht_config.smps = conf->smps_mode;
/* Configure HT40 channels */
@@ -791,23 +892,21 @@ static void iwlagn_mac_channel_switch(struct ieee80211_hw *hw,
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);
+ set_bit(STATUS_CHANNEL_SWITCH_PENDING, &priv->status);
priv->switch_channel = cpu_to_le16(ch);
if (cfg(priv)->lib->set_channel_switch(priv, ch_switch)) {
- clear_bit(STATUS_CHANNEL_SWITCH_PENDING, &priv->shrd->status);
+ clear_bit(STATUS_CHANNEL_SWITCH_PENDING, &priv->status);
priv->switch_channel = 0;
ieee80211_chswitch_done(ctx->vif, false);
}
out:
- mutex_unlock(&priv->shrd->mutex);
+ mutex_unlock(&priv->mutex);
IWL_DEBUG_MAC80211(priv, "leave\n");
}
@@ -816,7 +915,7 @@ static void iwlagn_configure_filter(struct ieee80211_hw *hw,
unsigned int *total_flags,
u64 multicast)
{
- struct iwl_priv *priv = hw->priv;
+ struct iwl_priv *priv = IWL_MAC80211_GET_DVM(hw);
__le32 filter_or = 0, filter_nand = 0;
struct iwl_rxon_context *ctx;
@@ -837,7 +936,7 @@ static void iwlagn_configure_filter(struct ieee80211_hw *hw,
#undef CHK
- mutex_lock(&priv->shrd->mutex);
+ mutex_lock(&priv->mutex);
for_each_context(priv, ctx) {
ctx->staging.filter_flags &= ~filter_nand;
@@ -849,7 +948,7 @@ static void iwlagn_configure_filter(struct ieee80211_hw *hw,
*/
}
- mutex_unlock(&priv->shrd->mutex);
+ mutex_unlock(&priv->mutex);
/*
* Receiving all multicast frames is always enabled by the
@@ -863,16 +962,16 @@ static void iwlagn_configure_filter(struct ieee80211_hw *hw,
static void iwlagn_mac_flush(struct ieee80211_hw *hw, bool drop)
{
- struct iwl_priv *priv = hw->priv;
+ struct iwl_priv *priv = IWL_MAC80211_GET_DVM(hw);
- mutex_lock(&priv->shrd->mutex);
+ mutex_lock(&priv->mutex);
IWL_DEBUG_MAC80211(priv, "enter\n");
- if (test_bit(STATUS_EXIT_PENDING, &priv->shrd->status)) {
+ if (test_bit(STATUS_EXIT_PENDING, &priv->status)) {
IWL_DEBUG_TX(priv, "Aborting flush due to device shutdown\n");
goto done;
}
- if (iwl_is_rfkill(priv->shrd)) {
+ if (iwl_is_rfkill(priv)) {
IWL_DEBUG_TX(priv, "Aborting flush due to RF Kill\n");
goto done;
}
@@ -891,7 +990,7 @@ static void iwlagn_mac_flush(struct ieee80211_hw *hw, bool drop)
IWL_DEBUG_MAC80211(priv, "wait transmit/flush all frames\n");
iwl_trans_wait_tx_queue_empty(trans(priv));
done:
- mutex_unlock(&priv->shrd->mutex);
+ mutex_unlock(&priv->mutex);
IWL_DEBUG_MAC80211(priv, "leave\n");
}
@@ -900,7 +999,7 @@ static int iwlagn_mac_remain_on_channel(struct ieee80211_hw *hw,
enum nl80211_channel_type channel_type,
int duration)
{
- struct iwl_priv *priv = hw->priv;
+ struct iwl_priv *priv = IWL_MAC80211_GET_DVM(hw);
struct iwl_rxon_context *ctx = &priv->contexts[IWL_RXON_CTX_PAN];
int err = 0;
@@ -911,9 +1010,9 @@ static int iwlagn_mac_remain_on_channel(struct ieee80211_hw *hw,
return -EOPNOTSUPP;
IWL_DEBUG_MAC80211(priv, "enter\n");
- mutex_lock(&priv->shrd->mutex);
+ mutex_lock(&priv->mutex);
- if (test_bit(STATUS_SCAN_HW, &priv->shrd->status)) {
+ if (test_bit(STATUS_SCAN_HW, &priv->status)) {
err = -EBUSY;
goto out;
}
@@ -982,7 +1081,7 @@ static int iwlagn_mac_remain_on_channel(struct ieee80211_hw *hw,
iwlagn_disable_roc(priv);
out:
- mutex_unlock(&priv->shrd->mutex);
+ mutex_unlock(&priv->mutex);
IWL_DEBUG_MAC80211(priv, "leave\n");
return err;
@@ -990,108 +1089,28 @@ static int iwlagn_mac_remain_on_channel(struct ieee80211_hw *hw,
static int iwlagn_mac_cancel_remain_on_channel(struct ieee80211_hw *hw)
{
- struct iwl_priv *priv = hw->priv;
+ struct iwl_priv *priv = IWL_MAC80211_GET_DVM(hw);
if (!(priv->shrd->valid_contexts & BIT(IWL_RXON_CTX_PAN)))
return -EOPNOTSUPP;
IWL_DEBUG_MAC80211(priv, "enter\n");
- mutex_lock(&priv->shrd->mutex);
+ mutex_lock(&priv->mutex);
iwl_scan_cancel_timeout(priv, priv->hw_roc_duration);
iwlagn_disable_roc(priv);
- mutex_unlock(&priv->shrd->mutex);
+ mutex_unlock(&priv->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");
-}
-
static void iwlagn_mac_rssi_callback(struct ieee80211_hw *hw,
enum ieee80211_rssi_event rssi_event)
{
- struct iwl_priv *priv = hw->priv;
+ struct iwl_priv *priv = IWL_MAC80211_GET_DVM(hw);
IWL_DEBUG_MAC80211(priv, "enter\n");
- mutex_lock(&priv->shrd->mutex);
+ mutex_lock(&priv->mutex);
if (cfg(priv)->bt_params &&
cfg(priv)->bt_params->advanced_bt_coexist) {
@@ -1106,16 +1125,16 @@ static void iwlagn_mac_rssi_callback(struct ieee80211_hw *hw,
"ignoring RSSI callback\n");
}
- mutex_unlock(&priv->shrd->mutex);
+ mutex_unlock(&priv->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;
+ struct iwl_priv *priv = IWL_MAC80211_GET_DVM(hw);
- queue_work(priv->shrd->workqueue, &priv->beacon_update);
+ queue_work(priv->workqueue, &priv->beacon_update);
return 0;
}
@@ -1124,10 +1143,9 @@ static int iwlagn_mac_conf_tx(struct ieee80211_hw *hw,
struct ieee80211_vif *vif, u16 queue,
const struct ieee80211_tx_queue_params *params)
{
- struct iwl_priv *priv = hw->priv;
+ struct iwl_priv *priv = IWL_MAC80211_GET_DVM(hw);
struct iwl_vif_priv *vif_priv = (void *)vif->drv_priv;
struct iwl_rxon_context *ctx = vif_priv->ctx;
- unsigned long flags;
int q;
if (WARN_ON(!ctx))
@@ -1135,7 +1153,7 @@ static int iwlagn_mac_conf_tx(struct ieee80211_hw *hw,
IWL_DEBUG_MAC80211(priv, "enter\n");
- if (!iwl_is_ready_rf(priv->shrd)) {
+ if (!iwl_is_ready_rf(priv)) {
IWL_DEBUG_MAC80211(priv, "leave - RF not ready\n");
return -EIO;
}
@@ -1147,7 +1165,7 @@ static int iwlagn_mac_conf_tx(struct ieee80211_hw *hw,
q = AC_NUM - 1 - queue;
- spin_lock_irqsave(&priv->shrd->lock, flags);
+ mutex_lock(&priv->mutex);
ctx->qos_data.def_qos_parm.ac[q].cw_min =
cpu_to_le16(params->cw_min);
@@ -1159,7 +1177,7 @@ static int iwlagn_mac_conf_tx(struct ieee80211_hw *hw,
ctx->qos_data.def_qos_parm.ac[q].reserved1 = 0;
- spin_unlock_irqrestore(&priv->shrd->lock, flags);
+ mutex_unlock(&priv->mutex);
IWL_DEBUG_MAC80211(priv, "leave\n");
return 0;
@@ -1167,7 +1185,7 @@ static int iwlagn_mac_conf_tx(struct ieee80211_hw *hw,
static int iwlagn_mac_tx_last_beacon(struct ieee80211_hw *hw)
{
- struct iwl_priv *priv = hw->priv;
+ struct iwl_priv *priv = IWL_MAC80211_GET_DVM(hw);
return priv->ibss_manager == IWL_IBSS_MANAGER;
}
@@ -1187,7 +1205,7 @@ static int iwl_setup_interface(struct iwl_priv *priv,
struct ieee80211_vif *vif = ctx->vif;
int err;
- lockdep_assert_held(&priv->shrd->mutex);
+ lockdep_assert_held(&priv->mutex);
/*
* This variable will be correct only when there's just
@@ -1221,7 +1239,7 @@ static int iwl_setup_interface(struct iwl_priv *priv,
static int iwlagn_mac_add_interface(struct ieee80211_hw *hw,
struct ieee80211_vif *vif)
{
- struct iwl_priv *priv = hw->priv;
+ struct iwl_priv *priv = IWL_MAC80211_GET_DVM(hw);
struct iwl_vif_priv *vif_priv = (void *)vif->drv_priv;
struct iwl_rxon_context *tmp, *ctx = NULL;
int err;
@@ -1232,11 +1250,11 @@ static int iwlagn_mac_add_interface(struct ieee80211_hw *hw,
cancel_delayed_work_sync(&priv->hw_roc_disable_work);
- mutex_lock(&priv->shrd->mutex);
+ mutex_lock(&priv->mutex);
iwlagn_disable_roc(priv);
- if (!iwl_is_ready_rf(priv->shrd)) {
+ if (!iwl_is_ready_rf(priv)) {
IWL_WARN(priv, "Try to add interface when device not ready\n");
err = -EINVAL;
goto out;
@@ -1279,7 +1297,7 @@ static int iwlagn_mac_add_interface(struct ieee80211_hw *hw,
ctx->vif = NULL;
priv->iw_mode = NL80211_IFTYPE_STATION;
out:
- mutex_unlock(&priv->shrd->mutex);
+ mutex_unlock(&priv->mutex);
IWL_DEBUG_MAC80211(priv, "leave\n");
return err;
@@ -1291,7 +1309,7 @@ static void iwl_teardown_interface(struct iwl_priv *priv,
{
struct iwl_rxon_context *ctx = iwl_rxon_ctx_from_vif(vif);
- lockdep_assert_held(&priv->shrd->mutex);
+ lockdep_assert_held(&priv->mutex);
if (priv->scan_vif == vif) {
iwl_scan_cancel_timeout(priv, 200);
@@ -1318,12 +1336,12 @@ static void iwl_teardown_interface(struct iwl_priv *priv,
static void iwlagn_mac_remove_interface(struct ieee80211_hw *hw,
struct ieee80211_vif *vif)
{
- struct iwl_priv *priv = hw->priv;
+ struct iwl_priv *priv = IWL_MAC80211_GET_DVM(hw);
struct iwl_rxon_context *ctx = iwl_rxon_ctx_from_vif(vif);
IWL_DEBUG_MAC80211(priv, "enter\n");
- mutex_lock(&priv->shrd->mutex);
+ mutex_lock(&priv->mutex);
if (WARN_ON(ctx->vif != vif)) {
struct iwl_rxon_context *tmp;
@@ -1336,7 +1354,7 @@ static void iwlagn_mac_remove_interface(struct ieee80211_hw *hw,
iwl_teardown_interface(priv, vif, false);
- mutex_unlock(&priv->shrd->mutex);
+ mutex_unlock(&priv->mutex);
IWL_DEBUG_MAC80211(priv, "leave\n");
@@ -1346,7 +1364,7 @@ static int iwlagn_mac_change_interface(struct ieee80211_hw *hw,
struct ieee80211_vif *vif,
enum nl80211_iftype newtype, bool newp2p)
{
- struct iwl_priv *priv = hw->priv;
+ struct iwl_priv *priv = IWL_MAC80211_GET_DVM(hw);
struct iwl_rxon_context *ctx = iwl_rxon_ctx_from_vif(vif);
struct iwl_rxon_context *bss_ctx = &priv->contexts[IWL_RXON_CTX_BSS];
struct iwl_rxon_context *tmp;
@@ -1358,9 +1376,9 @@ static int iwlagn_mac_change_interface(struct ieee80211_hw *hw,
newtype = ieee80211_iftype_p2p(newtype, newp2p);
- mutex_lock(&priv->shrd->mutex);
+ mutex_lock(&priv->mutex);
- if (!ctx->vif || !iwl_is_ready_rf(priv->shrd)) {
+ if (!ctx->vif || !iwl_is_ready_rf(priv)) {
/*
* Huh? But wait ... this can maybe happen when
* we're in the middle of a firmware restart!
@@ -1422,7 +1440,7 @@ static int iwlagn_mac_change_interface(struct ieee80211_hw *hw,
err = 0;
out:
- mutex_unlock(&priv->shrd->mutex);
+ mutex_unlock(&priv->mutex);
IWL_DEBUG_MAC80211(priv, "leave\n");
return err;
@@ -1432,7 +1450,7 @@ static int iwlagn_mac_hw_scan(struct ieee80211_hw *hw,
struct ieee80211_vif *vif,
struct cfg80211_scan_request *req)
{
- struct iwl_priv *priv = hw->priv;
+ struct iwl_priv *priv = IWL_MAC80211_GET_DVM(hw);
int ret;
IWL_DEBUG_MAC80211(priv, "enter\n");
@@ -1440,7 +1458,7 @@ static int iwlagn_mac_hw_scan(struct ieee80211_hw *hw,
if (req->n_channels == 0)
return -EINVAL;
- mutex_lock(&priv->shrd->mutex);
+ mutex_lock(&priv->mutex);
/*
* If an internal scan is in progress, just set
@@ -1469,47 +1487,20 @@ static int iwlagn_mac_hw_scan(struct ieee80211_hw *hw,
IWL_DEBUG_MAC80211(priv, "leave\n");
- mutex_unlock(&priv->shrd->mutex);
-
- return ret;
-}
-
-static int iwlagn_mac_sta_remove(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;
- int ret;
-
- IWL_DEBUG_MAC80211(priv, "enter: received request to remove "
- "station %pM\n", sta->addr);
- mutex_lock(&priv->shrd->mutex);
- IWL_DEBUG_INFO(priv, "proceeding to remove station %pM\n",
- sta->addr);
- ret = iwl_remove_station(priv, sta_priv->sta_id, sta->addr);
- if (ret)
- IWL_DEBUG_QUIET_RFKILL(priv, "Error removing station %pM\n",
- sta->addr);
- mutex_unlock(&priv->shrd->mutex);
- IWL_DEBUG_MAC80211(priv, "leave\n");
+ mutex_unlock(&priv->mutex);
return ret;
}
static void iwl_sta_modify_ps_wake(struct iwl_priv *priv, int sta_id)
{
- unsigned long flags;
-
- spin_lock_irqsave(&priv->shrd->sta_lock, flags);
- priv->stations[sta_id].sta.station_flags &= ~STA_FLG_PWR_SAVE_MSK;
- priv->stations[sta_id].sta.station_flags_msk = STA_FLG_PWR_SAVE_MSK;
- priv->stations[sta_id].sta.sta.modify_mask = 0;
- priv->stations[sta_id].sta.sleep_tx_count = 0;
- priv->stations[sta_id].sta.mode = STA_CONTROL_MODIFY_MSK;
- iwl_send_add_sta(priv, &priv->stations[sta_id].sta, CMD_ASYNC);
- spin_unlock_irqrestore(&priv->shrd->sta_lock, flags);
+ struct iwl_addsta_cmd cmd = {
+ .mode = STA_CONTROL_MODIFY_MSK,
+ .station_flags_msk = STA_FLG_PWR_SAVE_MSK,
+ .sta.sta_id = sta_id,
+ };
+ iwl_send_add_sta(priv, &cmd, CMD_ASYNC);
}
static void iwlagn_mac_sta_notify(struct ieee80211_hw *hw,
@@ -1517,7 +1508,7 @@ static void iwlagn_mac_sta_notify(struct ieee80211_hw *hw,
enum sta_notify_cmd cmd,
struct ieee80211_sta *sta)
{
- struct iwl_priv *priv = hw->priv;
+ struct iwl_priv *priv = IWL_MAC80211_GET_DVM(hw);
struct iwl_station_priv *sta_priv = (void *)sta->drv_priv;
int sta_id;
@@ -1566,8 +1557,7 @@ struct ieee80211_ops iwlagn_hw_ops = {
.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,
+ .sta_state = iwlagn_mac_sta_state,
.channel_switch = iwlagn_mac_channel_switch,
.flush = iwlagn_mac_flush,
.tx_last_beacon = iwlagn_mac_tx_last_beacon,
@@ -1576,8 +1566,6 @@ struct ieee80211_ops iwlagn_hw_ops = {
.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,
};
@@ -1585,15 +1573,18 @@ struct ieee80211_ops iwlagn_hw_ops = {
struct ieee80211_hw *iwl_alloc_all(void)
{
struct iwl_priv *priv;
+ struct iwl_op_mode *op_mode;
/* 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);
+ hw = ieee80211_alloc_hw(sizeof(struct iwl_priv) +
+ sizeof(struct iwl_op_mode), &iwlagn_hw_ops);
if (!hw)
goto out;
- priv = hw->priv;
+ op_mode = hw->priv;
+ priv = IWL_OP_MODE_GET_DVM(op_mode);
priv->hw = hw;
out:
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.