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/******************************************************************************
*
* 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) 2015 Intel Deutschland GmbH
*
* 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) 2015 Intel Deutschland GmbH
* 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.
*
*****************************************************************************/
#include "mvm.h"
#include "fw-api-tof.h"
#define IWL_MVM_TOF_RANGE_REQ_MAX_ID 256
void iwl_mvm_tof_init(struct iwl_mvm *mvm)
{
struct iwl_mvm_tof_data *tof_data = &mvm->tof_data;
if (!fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_TOF_SUPPORT))
return;
memset(tof_data, 0, sizeof(*tof_data));
tof_data->tof_cfg.sub_grp_cmd_id = cpu_to_le32(TOF_CONFIG_CMD);
#ifdef CONFIG_IWLWIFI_DEBUGFS
if (IWL_MVM_TOF_IS_RESPONDER) {
tof_data->responder_cfg.sub_grp_cmd_id =
cpu_to_le32(TOF_RESPONDER_CONFIG_CMD);
tof_data->responder_cfg.sta_id = IWL_MVM_STATION_COUNT;
}
#endif
tof_data->range_req.sub_grp_cmd_id = cpu_to_le32(TOF_RANGE_REQ_CMD);
tof_data->range_req.req_timeout = 1;
tof_data->range_req.initiator = 1;
tof_data->range_req.report_policy = 3;
tof_data->range_req_ext.sub_grp_cmd_id =
cpu_to_le32(TOF_RANGE_REQ_EXT_CMD);
mvm->tof_data.active_range_request = IWL_MVM_TOF_RANGE_REQ_MAX_ID;
}
void iwl_mvm_tof_clean(struct iwl_mvm *mvm)
{
struct iwl_mvm_tof_data *tof_data = &mvm->tof_data;
if (!fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_TOF_SUPPORT))
return;
memset(tof_data, 0, sizeof(*tof_data));
mvm->tof_data.active_range_request = IWL_MVM_TOF_RANGE_REQ_MAX_ID;
}
static void iwl_tof_iterator(void *_data, u8 *mac,
struct ieee80211_vif *vif)
{
bool *enabled = _data;
/* non bss vif exists */
if (ieee80211_vif_type_p2p(vif) != NL80211_IFTYPE_STATION)
*enabled = false;
}
int iwl_mvm_tof_config_cmd(struct iwl_mvm *mvm)
{
struct iwl_tof_config_cmd *cmd = &mvm->tof_data.tof_cfg;
bool enabled;
lockdep_assert_held(&mvm->mutex);
if (!fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_TOF_SUPPORT))
return -EINVAL;
ieee80211_iterate_active_interfaces_atomic(mvm->hw,
IEEE80211_IFACE_ITER_NORMAL,
iwl_tof_iterator, &enabled);
if (!enabled) {
IWL_DEBUG_INFO(mvm, "ToF is not supported (non bss vif)
");
return -EINVAL;
}
mvm->tof_data.active_range_request = IWL_MVM_TOF_RANGE_REQ_MAX_ID;
return iwl_mvm_send_cmd_pdu(mvm, iwl_cmd_id(TOF_CMD,
IWL_ALWAYS_LONG_GROUP, 0),
0, sizeof(*cmd), cmd);
}
int iwl_mvm_tof_range_abort_cmd(struct iwl_mvm *mvm, u8 id)
{
struct iwl_tof_range_abort_cmd cmd = {
.sub_grp_cmd_id = cpu_to_le32(TOF_RANGE_ABORT_CMD),
.request_id = id,
};
lockdep_assert_held(&mvm->mutex);
if (!fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_TOF_SUPPORT))
return -EINVAL;
if (id != mvm->tof_data.active_range_request) {
IWL_ERR(mvm, "Invalid range request id %d (active %d)
",
id, mvm->tof_data.active_range_request);
return -EINVAL;
}
/* after abort is sent there's no active request anymore */
mvm->tof_data.active_range_request = IWL_MVM_TOF_RANGE_REQ_MAX_ID;
return iwl_mvm_send_cmd_pdu(mvm, iwl_cmd_id(TOF_CMD,
IWL_ALWAYS_LONG_GROUP, 0),
0, sizeof(cmd), &cmd);
}
#ifdef CONFIG_IWLWIFI_DEBUGFS
int iwl_mvm_tof_responder_cmd(struct iwl_mvm *mvm,
struct ieee80211_vif *vif)
{
struct iwl_tof_responder_config_cmd *cmd = &mvm->tof_data.responder_cfg;
struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
lockdep_assert_held(&mvm->mutex);
if (!fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_TOF_SUPPORT))
return -EINVAL;
if (vif->p2p || vif->type != NL80211_IFTYPE_AP ||
!mvmvif->ap_ibss_active) {
IWL_ERR(mvm, "Cannot start responder, not in AP mode
");
return -EIO;
}
cmd->sta_id = mvmvif->bcast_sta.sta_id;
memcpy(cmd->bssid, vif->addr, ETH_ALEN);
return iwl_mvm_send_cmd_pdu(mvm, iwl_cmd_id(TOF_CMD,
IWL_ALWAYS_LONG_GROUP, 0),
0, sizeof(*cmd), cmd);
}
#endif
int iwl_mvm_tof_range_request_cmd(struct iwl_mvm *mvm,
struct ieee80211_vif *vif)
{
struct iwl_host_cmd cmd = {
.id = iwl_cmd_id(TOF_CMD, IWL_ALWAYS_LONG_GROUP, 0),
.len = { sizeof(mvm->tof_data.range_req), },
/* no copy because of the command size */
.dataflags = { IWL_HCMD_DFL_NOCOPY, },
};
lockdep_assert_held(&mvm->mutex);
if (!fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_TOF_SUPPORT))
return -EINVAL;
if (ieee80211_vif_type_p2p(vif) != NL80211_IFTYPE_STATION) {
IWL_ERR(mvm, "Cannot send range request, not STA mode
");
return -EIO;
}
/* nesting of range requests is not supported in FW */
if (mvm->tof_data.active_range_request !=
IWL_MVM_TOF_RANGE_REQ_MAX_ID) {
IWL_ERR(mvm, "Cannot send range req, already active req %d
",
mvm->tof_data.active_range_request);
return -EIO;
}
mvm->tof_data.active_range_request = mvm->tof_data.range_req.request_id;
cmd.data[0] = &mvm->tof_data.range_req;
return iwl_mvm_send_cmd(mvm, &cmd);
}
int iwl_mvm_tof_range_request_ext_cmd(struct iwl_mvm *mvm,
struct ieee80211_vif *vif)
{
lockdep_assert_held(&mvm->mutex);
if (!fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_TOF_SUPPORT))
return -EINVAL;
if (ieee80211_vif_type_p2p(vif) != NL80211_IFTYPE_STATION) {
IWL_ERR(mvm, "Cannot send ext range req, not in STA mode
");
return -EIO;
}
return iwl_mvm_send_cmd_pdu(mvm, iwl_cmd_id(TOF_CMD,
IWL_ALWAYS_LONG_GROUP, 0),
0, sizeof(mvm->tof_data.range_req_ext),
&mvm->tof_data.range_req_ext);
}
static int iwl_mvm_tof_range_resp(struct iwl_mvm *mvm, void *data)
{
struct iwl_tof_range_rsp_ntfy *resp = (void *)data;
if (resp->request_id != mvm->tof_data.active_range_request) {
IWL_ERR(mvm, "Request id mismatch, got %d, active %d
",
resp->request_id, mvm->tof_data.active_range_request);
return -EIO;
}
memcpy(&mvm->tof_data.range_resp, resp,
sizeof(struct iwl_tof_range_rsp_ntfy));
mvm->tof_data.active_range_request = IWL_MVM_TOF_RANGE_REQ_MAX_ID;
return 0;
}
static int iwl_mvm_tof_mcsi_notif(struct iwl_mvm *mvm, void *data)
{
struct iwl_tof_mcsi_notif *resp = (struct iwl_tof_mcsi_notif *)data;
IWL_DEBUG_INFO(mvm, "MCSI notification, token %d
", resp->token);
return 0;
}
static int iwl_mvm_tof_nb_report_notif(struct iwl_mvm *mvm, void *data)
{
struct iwl_tof_neighbor_report *report =
(struct iwl_tof_neighbor_report *)data;
IWL_DEBUG_INFO(mvm, "NB report, bssid %pM, token %d, status 0x%x
",
report->bssid, report->request_token, report->status);
return 0;
}
void iwl_mvm_tof_resp_handler(struct iwl_mvm *mvm,
struct iwl_rx_cmd_buffer *rxb)
{
struct iwl_rx_packet *pkt = rxb_addr(rxb);
struct iwl_tof_gen_resp_cmd *resp = (void *)pkt->data;
lockdep_assert_held(&mvm->mutex);
switch (le32_to_cpu(resp->sub_grp_cmd_id)) {
case TOF_RANGE_RESPONSE_NOTIF:
iwl_mvm_tof_range_resp(mvm, resp->data);
break;
case TOF_MCSI_DEBUG_NOTIF:
iwl_mvm_tof_mcsi_notif(mvm, resp->data);
break;
case TOF_NEIGHBOR_REPORT_RSP_NOTIF:
iwl_mvm_tof_nb_report_notif(mvm, resp->data);
break;
default:
IWL_ERR(mvm, "Unknown sub-group command 0x%x
",
resp->sub_grp_cmd_id);
break;
}
}
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