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Release 4.11 drivers/net/wireless/intel/iwlwifi/mvm/tof.c

/******************************************************************************
 *
 * 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 <linuxwifi@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; }

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Gregory Greenman144100.00%1100.00%
Total144100.00%1100.00%


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; }

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Gregory Greenman57100.00%1100.00%
Total57100.00%1100.00%


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; }

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Gregory Greenman40100.00%1100.00%
Total40100.00%1100.00%


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)\n"); 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); }

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Gregory Greenman11094.02%150.00%
Johannes Berg75.98%150.00%
Total117100.00%2100.00%


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)\n", 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); }

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Gregory Greenman11794.35%150.00%
Johannes Berg75.65%150.00%
Total124100.00%2100.00%

#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\n"); 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); }

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Gregory Greenman13091.55%250.00%
Johannes Berg128.45%250.00%
Total142100.00%4100.00%

#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\n"); 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\n", 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); }

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Gregory Greenman16495.91%150.00%
Assaf Krauss74.09%150.00%
Total171100.00%2100.00%


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\n"); 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); }

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Gregory Greenman9092.78%150.00%
Johannes Berg77.22%150.00%
Total97100.00%2100.00%


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\n", 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; }

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Gregory Greenman90100.00%1100.00%
Total90100.00%1100.00%


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\n", resp->token); return 0; }

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Gregory Greenman41100.00%1100.00%
Total41100.00%1100.00%


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\n", report->bssid, report->request_token, report->status); return 0; }

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Gregory Greenman49100.00%1100.00%
Total49100.00%1100.00%


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\n", resp->sub_grp_cmd_id); break; } }

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Gregory Greenman109100.00%1100.00%
Total109100.00%1100.00%


Overall Contributors

PersonTokensPropCommitsCommitProp
Gregory Greenman115696.57%233.33%
Johannes Berg332.76%233.33%
Assaf Krauss70.58%116.67%
Emmanuel Grumbach10.08%116.67%
Total1197100.00%6100.00%
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