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Code Issues Releases Wiki Activity

iwlwifi: virtualize the op_mode

Browse source 
Define the op_mode as an interface with its ops. All the functions
of the op_mode are "private", but its ops is made public in
iwl-op-mode.h.
The drv object starts the op_mode by using the start function in the
public ops.

Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
This commit is contained in:
Emmanuel Grumbach 2012-02-09 16:08:15 +02:00 committed by Wey-Yi Guy
parent 6459f9871a
commit d0f76d6869
12 changed files with 204 additions and 65 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

2
drivers/net/wireless/iwlwifi/iwl-agn-lib.c
View file

@ -959,7 +959,7 @@ static void iwlagn_wowlan_program_keys(struct ieee80211_hw *hw,
struct ieee80211_key_conf *key,
void *_data)
{
struct iwl_priv *priv = hw->priv;
struct iwl_priv *priv = IWL_MAC80211_GET_DVM(hw);
struct wowlan_key_data *data = _data;
struct iwl_rxon_context *ctx = data->ctx;
struct aes_sc *aes_sc, *aes_tx_sc = NULL;

16
drivers/net/wireless/iwlwifi/iwl-agn-rs.c
View file

@ -38,6 +38,7 @@
#include "iwl-dev.h"
#include "iwl-core.h"
#include "iwl-agn.h"
#include "iwl-op-mode.h"
#define RS_NAME "iwl-agn-rs"
@ -909,7 +910,8 @@ static void rs_tx_status(void *priv_r, struct ieee80211_supported_band *sband,
struct iwl_lq_sta *lq_sta = priv_sta;
struct iwl_link_quality_cmd *table;
struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data;
struct iwl_priv *priv = (struct iwl_priv *)priv_r;
struct iwl_op_mode *op_mode = (struct iwl_op_mode *)priv_r;
struct iwl_priv *priv = IWL_OP_MODE_GET_DVM(op_mode);
struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
enum mac80211_rate_control_flags mac_flags;
u32 tx_rate;
@ -2737,7 +2739,9 @@ static void rs_get_rate(void *priv_r, struct ieee80211_sta *sta, void *priv_sta,
struct sk_buff *skb = txrc->skb;
struct ieee80211_supported_band *sband = txrc->sband;
struct iwl_priv *priv __maybe_unused = (struct iwl_priv *)priv_r;
struct iwl_op_mode *op_mode __maybe_unused =
(struct iwl_op_mode *)priv_r;
struct iwl_priv *priv __maybe_unused = IWL_OP_MODE_GET_DVM(op_mode);
struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
struct iwl_lq_sta *lq_sta = priv_sta;
int rate_idx;
@ -2805,9 +2809,10 @@ static void *rs_alloc_sta(void *priv_rate, struct ieee80211_sta *sta,
gfp_t gfp)
{
struct iwl_station_priv *sta_priv = (struct iwl_station_priv *) sta->drv_priv;
struct iwl_priv *priv;
struct iwl_op_mode *op_mode __maybe_unused =
(struct iwl_op_mode *)priv_rate;
struct iwl_priv *priv __maybe_unused = IWL_OP_MODE_GET_DVM(op_mode);
priv = (struct iwl_priv *)priv_rate;
IWL_DEBUG_RATE(priv, "create station rate scale window\n");
return &sta_priv->lq_sta;
@ -3074,7 +3079,8 @@ static void rs_free(void *priv_rate)
static void rs_free_sta(void *priv_r, struct ieee80211_sta *sta,
void *priv_sta)
{
struct iwl_priv *priv __maybe_unused = priv_r;
struct iwl_op_mode *op_mode __maybe_unused = priv_r;
struct iwl_priv *priv __maybe_unused = IWL_OP_MODE_GET_DVM(op_mode);
IWL_DEBUG_RATE(priv, "enter\n");
IWL_DEBUG_RATE(priv, "leave\n");

4
drivers/net/wireless/iwlwifi/iwl-agn-rxon.c
View file

@ -549,7 +549,7 @@ void iwlagn_config_ht40(struct ieee80211_conf *conf,
int iwlagn_mac_config(struct ieee80211_hw *hw, u32 changed)
{
struct iwl_priv *priv = hw->priv;
struct iwl_priv *priv = IWL_MAC80211_GET_DVM(hw);
struct iwl_rxon_context *ctx;
struct ieee80211_conf *conf = &hw->conf;
struct ieee80211_channel *channel = conf->channel;
@ -805,7 +805,7 @@ void iwlagn_bss_info_changed(struct ieee80211_hw *hw,
struct ieee80211_bss_conf *bss_conf,
u32 changes)
{
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);
int ret;
bool force = false;

32
drivers/net/wireless/iwlwifi/iwl-agn.c
View file

@ -52,6 +52,7 @@
#include "iwl-shared.h"
#include "iwl-bus.h"
#include "iwl-trans.h"
#include "iwl-op-mode.h"
/******************************************************************************
*
@ -1142,14 +1143,13 @@ static void iwl_debug_config(struct iwl_priv *priv)
#endif
}
int iwl_op_mode_dvm_start(struct iwl_bus *bus,
const struct iwl_trans_ops *trans_ops,
struct iwl_cfg *cfg)
static struct iwl_op_mode *iwl_op_mode_dvm_start(struct iwl_trans *trans)
{
struct iwl_fw *fw = &nic(bus)->fw;
struct iwl_fw *fw = &nic(trans)->fw;
int err = 0;
struct iwl_priv *priv;
struct ieee80211_hw *hw;
struct iwl_op_mode *op_mode;
u16 num_mac;
u32 ucode_flags;
@ -1158,18 +1158,21 @@ int iwl_op_mode_dvm_start(struct iwl_bus *bus,
************************/
hw = iwl_alloc_all();
if (!hw) {
pr_err("%s: Cannot allocate network device\n", cfg->name);
pr_err("%s: Cannot allocate network device\n",
cfg(trans)->name);
err = -ENOMEM;
goto out;
}
priv = hw->priv;
priv->shrd = bus->shrd;
op_mode = hw->priv;
op_mode->ops = &iwl_dvm_ops;
priv = IWL_OP_MODE_GET_DVM(op_mode);
priv->shrd = trans->shrd;
priv->shrd->priv = priv;
/* At this point both hw and priv are allocated. */
SET_IEEE80211_DEV(hw, trans(priv)->dev);
SET_IEEE80211_DEV(priv->hw, trans(priv)->dev);
/* show what debugging capabilities we have */
iwl_debug_config(priv);
@ -1316,7 +1319,7 @@ int iwl_op_mode_dvm_start(struct iwl_bus *bus,
"failed to create debugfs files. Ignoring error: %d\n",
err);
return 0;
return op_mode;
out_destroy_workqueue:
destroy_workqueue(priv->workqueue);
@ -1328,11 +1331,14 @@ int iwl_op_mode_dvm_start(struct iwl_bus *bus,
iwl_free_traffic_mem(priv);
ieee80211_free_hw(priv->hw);
out:
return err;
op_mode = NULL;
return op_mode;
}
void iwl_op_mode_dvm_stop(struct iwl_priv *priv)
static void iwl_op_mode_dvm_stop(struct iwl_op_mode *op_mode)
{
struct iwl_priv *priv = IWL_OP_MODE_GET_DVM(op_mode);
wait_for_completion(&nic(priv)->request_firmware_complete);
IWL_DEBUG_INFO(priv, "*** UNLOAD DRIVER ***\n");
@ -1374,6 +1380,10 @@ void iwl_op_mode_dvm_stop(struct iwl_priv *priv)
ieee80211_free_hw(priv->hw);
}
const struct iwl_op_mode_ops iwl_dvm_ops = {
.start = iwl_op_mode_dvm_start,
.stop = iwl_op_mode_dvm_stop,
};
/*****************************************************************************
*

8
drivers/net/wireless/iwlwifi/iwl-dev.h
View file

@ -50,6 +50,7 @@
#include "iwl-bus.h"
#include "iwl-trans.h"
#include "iwl-shared.h"
#include "iwl-op-mode.h"
struct iwl_tx_queue;
@ -710,6 +711,13 @@ struct iwl_wipan_noa_data {
u8 data[];
};
#define IWL_OP_MODE_GET_DVM(_iwl_op_mode) \
((struct iwl_priv *) ((_iwl_op_mode)->op_mode_specific))
#define IWL_MAC80211_GET_DVM(_hw) \
((struct iwl_priv *) ((struct iwl_op_mode *) \
(_hw)->priv)->op_mode_specific)
struct iwl_priv {
/*data shared among all the driver's layers */

6
drivers/net/wireless/iwlwifi/iwl-drv.c
View file

@ -65,6 +65,7 @@
#include "iwl-drv.h"
#include "iwl-trans.h"
#include "iwl-wifi.h"
#include "iwl-op-mode.h"
int iwl_drv_start(struct iwl_shared *shrd,
struct iwl_trans *trans, struct iwl_cfg *cfg)
@ -94,8 +95,9 @@ int iwl_drv_start(struct iwl_shared *shrd,
void iwl_drv_stop(struct iwl_shared *shrd)
{
iwl_op_mode_dvm_stop(shrd->priv);
/* op_mode can be NULL if its start failed */
if (shrd->nic->op_mode)
iwl_op_mode_stop(shrd->nic->op_mode);
kfree(shrd->nic);
}

62
drivers/net/wireless/iwlwifi/iwl-mac80211.c
View file

@ -53,6 +53,7 @@
#include "iwl-shared.h"
#include "iwl-bus.h"
#include "iwl-trans.h"
#include "iwl-op-mode.h"
/*****************************************************************************
*
@ -305,7 +306,7 @@ 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");
@ -332,7 +333,7 @@ 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");
@ -362,7 +363,7 @@ 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;
@ -389,7 +390,7 @@ 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;
@ -431,7 +432,7 @@ 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;
@ -497,7 +498,7 @@ 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);
@ -512,7 +513,7 @@ 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);
}
@ -522,7 +523,7 @@ 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;
@ -626,7 +627,7 @@ 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;
@ -692,7 +693,7 @@ 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;
@ -735,7 +736,7 @@ 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;
@ -822,7 +823,7 @@ 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;
@ -869,7 +870,7 @@ 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);
IWL_DEBUG_MAC80211(priv, "enter\n");
@ -906,7 +907,7 @@ 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;
@ -996,7 +997,7 @@ 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;
@ -1016,7 +1017,7 @@ static int iwlagn_mac_tx_sync(struct ieee80211_hw *hw,
const u8 *bssid,
enum ieee80211_tx_sync_type type)
{
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;
@ -1070,7 +1071,7 @@ static void iwlagn_mac_finish_tx_sync(struct ieee80211_hw *hw,
const u8 *bssid,
enum ieee80211_tx_sync_type type)
{
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;
@ -1094,7 +1095,7 @@ static void iwlagn_mac_finish_tx_sync(struct ieee80211_hw *hw,
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);
@ -1119,7 +1120,7 @@ static void iwlagn_mac_rssi_callback(struct ieee80211_hw *hw,
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->workqueue, &priv->beacon_update);
@ -1130,7 +1131,7 @@ 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;
@ -1173,7 +1174,7 @@ 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;
}
@ -1227,7 +1228,7 @@ 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;
@ -1324,7 +1325,7 @@ 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");
@ -1352,7 +1353,7 @@ 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;
@ -1438,7 +1439,7 @@ 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");
@ -1484,7 +1485,7 @@ 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_priv *priv = IWL_MAC80211_GET_DVM(hw);
struct iwl_station_priv *sta_priv = (void *)sta->drv_priv;
int ret;
@ -1523,7 +1524,7 @@ 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;
@ -1591,15 +1592,18 @@ 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:

108
drivers/net/wireless/iwlwifi/iwl-op-mode.h Normal file
View file

@ -0,0 +1,108 @@
/******************************************************************************
*
* This file is provided under a dual BSD/GPLv2 license. When using or
* redistributing this file, you may do so under either license.
*
* GPL LICENSE SUMMARY
*
* Copyright(c) 2007 - 2012 Intel Corporation. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of version 2 of the GNU General Public License as
* published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110,
* USA
*
* The full GNU General Public License is included in this distribution
* in the file called LICENSE.GPL.
*
* Contact Information:
* Intel Linux Wireless <ilw@linux.intel.com>
* Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
*
* BSD LICENSE
*
* Copyright(c) 2005 - 2012 Intel Corporation. All rights reserved.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
* * Neither the name Intel Corporation nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
*****************************************************************************/
#ifndef __iwl_op_mode_h__
#define __iwl_op_mode_h__
struct iwl_op_mode;
struct iwl_trans;
/**
* struct iwl_op_mode_ops - op_mode specific operations
*
* All the handlers MUST be implemented
*
* @start: start the op_mode
* May sleep
* @stop: stop the op_mode
* May sleep
*/
struct iwl_op_mode_ops {
struct iwl_op_mode *(*start)(struct iwl_trans *trans);
void (*stop)(struct iwl_op_mode *op_mode);
};
/**
* struct iwl_op_mode - operational mode
*
* This holds an implementation of the mac80211 / fw API.
*
* @ops - pointer to its own ops
*/
struct iwl_op_mode {
const struct iwl_op_mode_ops *ops;
const struct iwl_trans *trans;
char op_mode_specific[0] __aligned(sizeof(void *));
};
static inline void iwl_op_mode_stop(struct iwl_op_mode *op_mode)
{
op_mode->ops->stop(op_mode);
}
/*****************************************************
* Op mode layers implementations
******************************************************/
extern const struct iwl_op_mode_ops iwl_dvm_ops;
#endif /* __iwl_op_mode_h__ */

4
drivers/net/wireless/iwlwifi/iwl-shared.h
View file

@ -532,10 +532,6 @@ enum iwl_rxon_context_id {
NUM_IWL_RXON_CTX
};
int iwl_op_mode_dvm_start(struct iwl_bus *bus,
const struct iwl_trans_ops *trans_ops,
struct iwl_cfg *cfg);
void iwl_op_mode_dvm_stop(struct iwl_priv *priv);
struct iwl_device_cmd;
int __must_check iwl_rx_dispatch(struct iwl_priv *priv,
struct iwl_rx_mem_buffer *rxb,

20
drivers/net/wireless/iwlwifi/iwl-testmode.c
View file

@ -255,7 +255,7 @@ void iwl_testmode_cleanup(struct iwl_priv *priv)
*/
static int iwl_testmode_ucode(struct ieee80211_hw *hw, struct nlattr **tb)
{
struct iwl_priv *priv = hw->priv;
struct iwl_priv *priv = IWL_MAC80211_GET_DVM(hw);
struct iwl_host_cmd cmd;
struct iwl_rx_packet *pkt;
struct sk_buff *skb;
@ -341,7 +341,7 @@ static int iwl_testmode_ucode(struct ieee80211_hw *hw, struct nlattr **tb)
*/
static int iwl_testmode_reg(struct ieee80211_hw *hw, struct nlattr **tb)
{
struct iwl_priv *priv = hw->priv;
struct iwl_priv *priv = IWL_MAC80211_GET_DVM(hw);
u32 ofs, val32, cmd;
u8 val8;
struct sk_buff *skb;
@ -458,7 +458,7 @@ static int iwl_testmode_cfg_init_calib(struct iwl_priv *priv)
*/
static int iwl_testmode_driver(struct ieee80211_hw *hw, struct nlattr **tb)
{
struct iwl_priv *priv = hw->priv;
struct iwl_priv *priv = IWL_MAC80211_GET_DVM(hw);
struct iwl_trans *trans = trans(priv);
struct sk_buff *skb;
unsigned char *rsp_data_ptr = NULL;
@ -643,7 +643,7 @@ static int iwl_testmode_driver(struct ieee80211_hw *hw, struct nlattr **tb)
*/
static int iwl_testmode_trace(struct ieee80211_hw *hw, struct nlattr **tb)
{
struct iwl_priv *priv = hw->priv;
struct iwl_priv *priv = IWL_MAC80211_GET_DVM(hw);
struct sk_buff *skb;
int status = 0;
struct device *dev = trans(priv)->dev;
@ -718,7 +718,7 @@ static int iwl_testmode_trace_dump(struct ieee80211_hw *hw, struct nlattr **tb,
struct sk_buff *skb,
struct netlink_callback *cb)
{
struct iwl_priv *priv = hw->priv;
struct iwl_priv *priv = IWL_MAC80211_GET_DVM(hw);
int idx, length;
if (priv->testmode_trace.trace_enabled &&
@ -762,7 +762,7 @@ static int iwl_testmode_trace_dump(struct ieee80211_hw *hw, struct nlattr **tb,
*/
static int iwl_testmode_ownership(struct ieee80211_hw *hw, struct nlattr **tb)
{
struct iwl_priv *priv = hw->priv;
struct iwl_priv *priv = IWL_MAC80211_GET_DVM(hw);
u8 owner;
if (!tb[IWL_TM_ATTR_UCODE_OWNER]) {
@ -876,7 +876,7 @@ static int iwl_testmode_indirect_write(struct iwl_priv *priv, u32 addr,
static int iwl_testmode_indirect_mem(struct ieee80211_hw *hw,
struct nlattr **tb)
{
struct iwl_priv *priv = hw->priv;
struct iwl_priv *priv = IWL_MAC80211_GET_DVM(hw);
u32 addr, size, cmd;
unsigned char *buf;
@ -910,7 +910,7 @@ static int iwl_testmode_buffer_dump(struct ieee80211_hw *hw, struct nlattr **tb,
struct sk_buff *skb,
struct netlink_callback *cb)
{
struct iwl_priv *priv = hw->priv;
struct iwl_priv *priv = IWL_MAC80211_GET_DVM(hw);
int idx, length;
if (priv->testmode_mem.read_in_progress) {
@ -961,7 +961,7 @@ static int iwl_testmode_buffer_dump(struct ieee80211_hw *hw, struct nlattr **tb,
int iwlagn_mac_testmode_cmd(struct ieee80211_hw *hw, void *data, int len)
{
struct nlattr *tb[IWL_TM_ATTR_MAX];
struct iwl_priv *priv = hw->priv;
struct iwl_priv *priv = IWL_MAC80211_GET_DVM(hw);
int result;
result = nla_parse(tb, IWL_TM_ATTR_MAX - 1, data, len,
@ -1038,7 +1038,7 @@ int iwlagn_mac_testmode_dump(struct ieee80211_hw *hw, struct sk_buff *skb,
void *data, int len)
{
struct nlattr *tb[IWL_TM_ATTR_MAX];
struct iwl_priv *priv = hw->priv;
struct iwl_priv *priv = IWL_MAC80211_GET_DVM(hw);
int result;
u32 cmd;

5
drivers/net/wireless/iwlwifi/iwl-ucode.c
View file

@ -44,6 +44,7 @@
#include "iwl-agn-calib.h"
#include "iwl-trans.h"
#include "iwl-fh.h"
#include "iwl-op-mode.h"
static struct iwl_wimax_coex_event_entry cu_priorities[COEX_NUM_OF_EVENTS] = {
{COEX_CU_UNASSOC_IDLE_RP, COEX_CU_UNASSOC_IDLE_WP,
@ -1240,7 +1241,9 @@ static void iwl_ucode_callback(const struct firmware *ucode_raw, void *context)
release_firmware(ucode_raw);
complete(&nic->request_firmware_complete);
if (iwl_op_mode_dvm_start(bus(nic), trans(nic)->ops, cfg))
nic->op_mode = iwl_dvm_ops.start(nic->shrd->trans);
if (!nic->op_mode)
goto out_unbind;
return;

2
drivers/net/wireless/iwlwifi/iwl-wifi.h
View file

@ -72,6 +72,7 @@
* struct iwl_nic - nic common data
* @fw: the iwl_fw structure
* @shrd: pointer to common shared structure
* @op_mode: the running op_mode
* @fw_index: firmware revision to try loading
* @firmware_name: composite filename of ucode file to load
* @init_evtlog_ptr: event log offset for init ucode.
@ -86,6 +87,7 @@ struct iwl_nic {
struct iwl_fw fw;
struct iwl_shared *shrd;
struct iwl_op_mode *op_mode;
int fw_index; /* firmware we're trying to load */
char firmware_name[25]; /* name of firmware file to load */