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iwlwifi: mvm: implement NoA testing using testmode cmd

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For testing, implement setting continuous NoA duration
using a new MVM-specific testmode command.

Signed-off-by: David Spinadel <david.spinadel@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This commit is contained in:
David Spinadel 2013-07-31 18:07:21 +03:00 committed by Johannes Berg
parent 272b98c645
commit 507cadf262
4 changed files with 195 additions and 0 deletions
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65
drivers/net/wireless/iwlwifi/mvm/mac80211.c
View File

@ -77,6 +77,7 @@
#include "iwl-eeprom-parse.h"
#include "fw-api-scan.h"
#include "iwl-phy-db.h"
#include "testmode.h"
static const struct ieee80211_iface_limit iwl_mvm_limits[] = {
{
@ -699,6 +700,12 @@ static void iwl_mvm_mac_remove_interface(struct ieee80211_hw *hw,
* interface is be handled as part of the stop_ap flow.
*/
if (vif->type == NL80211_IFTYPE_AP) {
#ifdef CONFIG_NL80211_TESTMODE
if (vif == mvm->noa_vif) {
mvm->noa_vif = NULL;
mvm->noa_duration = 0;
}
#endif
iwl_mvm_dealloc_int_sta(mvm, &mvmvif->bcast_sta);
goto out_release;
}
@ -1559,6 +1566,62 @@ static void iwl_mvm_mac_rssi_callback(struct ieee80211_hw *hw,
iwl_mvm_bt_rssi_event(mvm, vif, rssi_event);
}
#ifdef CONFIG_NL80211_TESTMODE
static const struct nla_policy iwl_mvm_tm_policy[IWL_MVM_TM_ATTR_MAX + 1] = {
[IWL_MVM_TM_ATTR_CMD] = { .type = NLA_U32 },
[IWL_MVM_TM_ATTR_NOA_DURATION] = { .type = NLA_U32 },
};
static int __iwl_mvm_mac_testmode_cmd(struct iwl_mvm *mvm,
struct ieee80211_vif *vif,
void *data, int len)
{
struct nlattr *tb[IWL_MVM_TM_ATTR_MAX + 1];
int err;
u32 noa_duration;
err = nla_parse(tb, IWL_MVM_TM_ATTR_MAX, data, len, iwl_mvm_tm_policy);
if (err)
return err;
if (!tb[IWL_MVM_TM_ATTR_CMD])
return -EINVAL;
switch (nla_get_u32(tb[IWL_MVM_TM_ATTR_CMD])) {
case IWL_MVM_TM_CMD_SET_NOA:
if (!vif || vif->type != NL80211_IFTYPE_AP || !vif->p2p ||
!vif->bss_conf.enable_beacon ||
!tb[IWL_MVM_TM_ATTR_NOA_DURATION])
return -EINVAL;
noa_duration = nla_get_u32(tb[IWL_MVM_TM_ATTR_NOA_DURATION]);
if (noa_duration >= vif->bss_conf.beacon_int)
return -EINVAL;
mvm->noa_duration = noa_duration;
mvm->noa_vif = vif;
return iwl_mvm_update_quotas(mvm, NULL);
}
return -EOPNOTSUPP;
}
static int iwl_mvm_mac_testmode_cmd(struct ieee80211_hw *hw,
struct ieee80211_vif *vif,
void *data, int len)
{
struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
int err;
mutex_lock(&mvm->mutex);
err = __iwl_mvm_mac_testmode_cmd(mvm, vif, data, len);
mutex_unlock(&mvm->mutex);
return err;
}
#endif
struct ieee80211_ops iwl_mvm_hw_ops = {
.tx = iwl_mvm_mac_tx,
.ampdu_action = iwl_mvm_mac_ampdu_action,
@ -1595,6 +1658,8 @@ struct ieee80211_ops iwl_mvm_hw_ops = {
.set_tim = iwl_mvm_set_tim,
CFG80211_TESTMODE_CMD(iwl_mvm_mac_testmode_cmd)
#ifdef CONFIG_PM_SLEEP
/* look at d3.c */
.suspend = iwl_mvm_suspend,

5
drivers/net/wireless/iwlwifi/mvm/mvm.h
View File

@ -529,6 +529,11 @@ struct iwl_mvm {
s32 temperature; /* Celsius */
const struct iwl_mvm_power_ops *pm_ops;
#ifdef CONFIG_NL80211_TESTMODE
u32 noa_duration;
struct ieee80211_vif *noa_vif;
#endif
};
/* Extract MVM priv from op_mode and _hw */

34
drivers/net/wireless/iwlwifi/mvm/quota.c
View File

@ -129,6 +129,38 @@ static void iwl_mvm_quota_iterator(void *_data, u8 *mac,
}
}
static void iwl_mvm_adjust_quota_for_noa(struct iwl_mvm *mvm,
struct iwl_time_quota_cmd *cmd)
{
#ifdef CONFIG_NL80211_TESTMODE
struct iwl_mvm_vif *mvmvif;
int i, phy_id = -1, beacon_int = 0;
if (!mvm->noa_duration || !mvm->noa_vif)
return;
mvmvif = iwl_mvm_vif_from_mac80211(mvm->noa_vif);
if (!mvmvif->ap_active)
return;
phy_id = mvmvif->phy_ctxt->id;
beacon_int = mvm->noa_vif->bss_conf.beacon_int;
for (i = 0; i < MAX_BINDINGS; i++) {
u32 id_n_c = le32_to_cpu(cmd->quotas[i].id_and_color);
u32 id = (id_n_c & FW_CTXT_ID_MSK) >> FW_CTXT_ID_POS;
u32 quota = le32_to_cpu(cmd->quotas[i].quota);
if (id != phy_id)
continue;
quota *= (beacon_int - mvm->noa_duration) / beacon_int;
cmd->quotas[i].quota = cpu_to_le32(quota);
}
#endif
}
int iwl_mvm_update_quotas(struct iwl_mvm *mvm, struct ieee80211_vif *newvif)
{
struct iwl_time_quota_cmd cmd = {};
@ -196,6 +228,8 @@ int iwl_mvm_update_quotas(struct iwl_mvm *mvm, struct ieee80211_vif *newvif)
/* Give the remainder of the session to the first binding */
le32_add_cpu(&cmd.quotas[0].quota, quota_rem);
iwl_mvm_adjust_quota_for_noa(mvm, &cmd);
ret = iwl_mvm_send_cmd_pdu(mvm, TIME_QUOTA_CMD, CMD_SYNC,
sizeof(cmd), &cmd);
if (ret)

91
drivers/net/wireless/iwlwifi/mvm/testmode.h Normal file
View File

@ -0,0 +1,91 @@
/******************************************************************************
*
* 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) 2013 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 COPYING.
*
* 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) 2013 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_MVM_TESTMODE_H__
#define __IWL_MVM_TESTMODE_H__
/**
* enum iwl_mvm_testmode_attrs - testmode attributes inside NL80211_ATTR_TESTDATA
* @IWL_MVM_TM_ATTR_UNSPEC: (invalid attribute)
* @IWL_MVM_TM_ATTR_CMD: sub command, see &enum iwl_mvm_testmode_commands (u32)
* @IWL_MVM_TM_ATTR_NOA_DURATION: requested NoA duration (u32)
*/
enum iwl_mvm_testmode_attrs {
IWL_MVM_TM_ATTR_UNSPEC,
IWL_MVM_TM_ATTR_CMD,
IWL_MVM_TM_ATTR_NOA_DURATION,
/* keep last */
NUM_IWL_MVM_TM_ATTRS,
IWL_MVM_TM_ATTR_MAX = NUM_IWL_MVM_TM_ATTRS - 1,
};
/**
* enum iwl_mvm_testmode_commands - MVM testmode commands
* @IWL_MVM_TM_CMD_SET_NOA: set NoA on GO vif for testing
*/
enum iwl_mvm_testmode_commands {
IWL_MVM_TM_CMD_SET_NOA,
};
#endif /* __IWL_MVM_TESTMODE_H__ */