diff options
author | Gregory Greenman <gregory.greenman@intel.com> | 2015-06-02 18:06:16 +0300 |
---|---|---|
committer | Emmanuel Grumbach <emmanuel.grumbach@intel.com> | 2015-08-04 10:11:45 +0300 |
commit | ce7929186a390b8630953be6d8225a9ae88030af (patch) | |
tree | 1bd2ac09e044ebebf004280f6cbbb5a9193f68d5 /drivers/net/wireless/iwlwifi/mvm/debugfs-vif.c | |
parent | 6bcb00f6183d1eb5d9f8548fe823be7e6d95b912 (diff) | |
download | linux-ce7929186a390b8630953be6d8225a9ae88030af.tar.xz |
iwlwifi: mvm: add basic Time of Flight (802.11mc FTM) support
ToF is a time based method for measurement of the WiFi device
location within a WiFi environment. The driver functionality provided
by this patch is the interface for communication with FW and receiving
location related updates from the FW. The interface provided by this
patch is via debugfs.
Signed-off-by: Gregory Greenman <gregory.greenman@intel.com>
Reviewed-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Diffstat (limited to 'drivers/net/wireless/iwlwifi/mvm/debugfs-vif.c')
-rw-r--r-- | drivers/net/wireless/iwlwifi/mvm/debugfs-vif.c | 751 |
1 files changed, 751 insertions, 0 deletions
diff --git a/drivers/net/wireless/iwlwifi/mvm/debugfs-vif.c b/drivers/net/wireless/iwlwifi/mvm/debugfs-vif.c index 5c8a65de0e77..ddb1c844827b 100644 --- a/drivers/net/wireless/iwlwifi/mvm/debugfs-vif.c +++ b/drivers/net/wireless/iwlwifi/mvm/debugfs-vif.c @@ -63,6 +63,7 @@ * *****************************************************************************/ #include "mvm.h" +#include "fw-api-tof.h" #include "debugfs.h" static void iwl_dbgfs_update_pm(struct iwl_mvm *mvm, @@ -497,6 +498,731 @@ static ssize_t iwl_dbgfs_bf_params_read(struct file *file, return simple_read_from_buffer(user_buf, count, ppos, buf, pos); } +static inline char *iwl_dbgfs_is_match(char *name, char *buf) +{ + int len = strlen(name); + + return !strncmp(name, buf, len) ? buf + len : NULL; +} + +static ssize_t iwl_dbgfs_tof_enable_write(struct ieee80211_vif *vif, + char *buf, + size_t count, loff_t *ppos) +{ + struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); + struct iwl_mvm *mvm = mvmvif->mvm; + int value, ret = -EINVAL; + char *data; + + mutex_lock(&mvm->mutex); + + data = iwl_dbgfs_is_match("tof_disabled=", buf); + if (data) { + ret = kstrtou32(data, 10, &value); + if (ret == 0) + mvm->tof_data.tof_cfg.tof_disabled = value; + goto out; + } + + data = iwl_dbgfs_is_match("one_sided_disabled=", buf); + if (data) { + ret = kstrtou32(data, 10, &value); + if (ret == 0) + mvm->tof_data.tof_cfg.one_sided_disabled = value; + goto out; + } + + data = iwl_dbgfs_is_match("is_debug_mode=", buf); + if (data) { + ret = kstrtou32(data, 10, &value); + if (ret == 0) + mvm->tof_data.tof_cfg.is_debug_mode = value; + goto out; + } + + data = iwl_dbgfs_is_match("is_buf=", buf); + if (data) { + ret = kstrtou32(data, 10, &value); + if (ret == 0) + mvm->tof_data.tof_cfg.is_buf_required = value; + goto out; + } + + data = iwl_dbgfs_is_match("send_tof_cfg=", buf); + if (data) { + ret = kstrtou32(data, 10, &value); + if (ret == 0 && value) { + ret = iwl_mvm_tof_config_cmd(mvm); + goto out; + } + } + +out: + mutex_unlock(&mvm->mutex); + + return ret ?: count; +} + +static ssize_t iwl_dbgfs_tof_enable_read(struct file *file, + char __user *user_buf, + size_t count, loff_t *ppos) +{ + struct ieee80211_vif *vif = file->private_data; + struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); + struct iwl_mvm *mvm = mvmvif->mvm; + char buf[256]; + int pos = 0; + const size_t bufsz = sizeof(buf); + struct iwl_tof_config_cmd *cmd; + + cmd = &mvm->tof_data.tof_cfg; + + mutex_lock(&mvm->mutex); + + pos += scnprintf(buf + pos, bufsz - pos, "tof_disabled = %d\n", + cmd->tof_disabled); + pos += scnprintf(buf + pos, bufsz - pos, "one_sided_disabled = %d\n", + cmd->one_sided_disabled); + pos += scnprintf(buf + pos, bufsz - pos, "is_debug_mode = %d\n", + cmd->is_debug_mode); + pos += scnprintf(buf + pos, bufsz - pos, "is_buf_required = %d\n", + cmd->is_buf_required); + + mutex_unlock(&mvm->mutex); + + return simple_read_from_buffer(user_buf, count, ppos, buf, pos); +} + +static ssize_t iwl_dbgfs_tof_responder_params_write(struct ieee80211_vif *vif, + char *buf, + size_t count, loff_t *ppos) +{ + struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); + struct iwl_mvm *mvm = mvmvif->mvm; + int value, ret = 0; + char *data; + + mutex_lock(&mvm->mutex); + + data = iwl_dbgfs_is_match("burst_period=", buf); + if (data) { + ret = kstrtou32(data, 10, &value); + if (!ret) + mvm->tof_data.responder_cfg.burst_period = + cpu_to_le16(value); + goto out; + } + + data = iwl_dbgfs_is_match("min_delta_ftm=", buf); + if (data) { + ret = kstrtou32(data, 10, &value); + if (ret == 0) + mvm->tof_data.responder_cfg.min_delta_ftm = value; + goto out; + } + + data = iwl_dbgfs_is_match("burst_duration=", buf); + if (data) { + ret = kstrtou32(data, 10, &value); + if (ret == 0) + mvm->tof_data.responder_cfg.burst_duration = value; + goto out; + } + + data = iwl_dbgfs_is_match("num_of_burst_exp=", buf); + if (data) { + ret = kstrtou32(data, 10, &value); + if (ret == 0) + mvm->tof_data.responder_cfg.num_of_burst_exp = value; + goto out; + } + + data = iwl_dbgfs_is_match("abort_responder=", buf); + if (data) { + ret = kstrtou32(data, 10, &value); + if (ret == 0) + mvm->tof_data.responder_cfg.abort_responder = value; + goto out; + } + + data = iwl_dbgfs_is_match("get_ch_est=", buf); + if (data) { + ret = kstrtou32(data, 10, &value); + if (ret == 0) + mvm->tof_data.responder_cfg.get_ch_est = value; + goto out; + } + + data = iwl_dbgfs_is_match("recv_sta_req_params=", buf); + if (data) { + ret = kstrtou32(data, 10, &value); + if (ret == 0) + mvm->tof_data.responder_cfg.recv_sta_req_params = value; + goto out; + } + + data = iwl_dbgfs_is_match("channel_num=", buf); + if (data) { + ret = kstrtou32(data, 10, &value); + if (ret == 0) + mvm->tof_data.responder_cfg.channel_num = value; + goto out; + } + + data = iwl_dbgfs_is_match("bandwidth=", buf); + if (data) { + ret = kstrtou32(data, 10, &value); + if (ret == 0) + mvm->tof_data.responder_cfg.bandwidth = value; + goto out; + } + + data = iwl_dbgfs_is_match("rate=", buf); + if (data) { + ret = kstrtou32(data, 10, &value); + if (ret == 0) + mvm->tof_data.responder_cfg.rate = value; + goto out; + } + + data = iwl_dbgfs_is_match("bssid=", buf); + if (data) { + u8 *mac = mvm->tof_data.responder_cfg.bssid; + + if (!mac_pton(data, mac)) { + ret = -EINVAL; + goto out; + } + } + + data = iwl_dbgfs_is_match("tsf_timer_offset_msecs=", buf); + if (data) { + ret = kstrtou32(data, 10, &value); + if (ret == 0) + mvm->tof_data.responder_cfg.tsf_timer_offset_msecs = + cpu_to_le16(value); + goto out; + } + + data = iwl_dbgfs_is_match("toa_offset=", buf); + if (data) { + ret = kstrtou32(data, 10, &value); + if (ret == 0) + mvm->tof_data.responder_cfg.toa_offset = + cpu_to_le16(value); + goto out; + } + + data = iwl_dbgfs_is_match("ctrl_ch_position=", buf); + if (data) { + ret = kstrtou32(data, 10, &value); + if (ret == 0) + mvm->tof_data.responder_cfg.ctrl_ch_position = value; + goto out; + } + + data = iwl_dbgfs_is_match("ftm_per_burst=", buf); + if (data) { + ret = kstrtou32(data, 10, &value); + if (ret == 0) + mvm->tof_data.responder_cfg.ftm_per_burst = value; + goto out; + } + + data = iwl_dbgfs_is_match("ftm_resp_ts_avail=", buf); + if (data) { + ret = kstrtou32(data, 10, &value); + if (ret == 0) + mvm->tof_data.responder_cfg.ftm_resp_ts_avail = value; + goto out; + } + + data = iwl_dbgfs_is_match("asap_mode=", buf); + if (data) { + ret = kstrtou32(data, 10, &value); + if (ret == 0) + mvm->tof_data.responder_cfg.asap_mode = value; + goto out; + } + + data = iwl_dbgfs_is_match("send_responder_cfg=", buf); + if (data) { + ret = kstrtou32(data, 10, &value); + if (ret == 0 && value) { + ret = iwl_mvm_tof_responder_cmd(mvm, vif); + goto out; + } + } + +out: + mutex_unlock(&mvm->mutex); + + return ret ?: count; +} + +static ssize_t iwl_dbgfs_tof_responder_params_read(struct file *file, + char __user *user_buf, + size_t count, loff_t *ppos) +{ + struct ieee80211_vif *vif = file->private_data; + struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); + struct iwl_mvm *mvm = mvmvif->mvm; + char buf[256]; + int pos = 0; + const size_t bufsz = sizeof(buf); + struct iwl_tof_responder_config_cmd *cmd; + + cmd = &mvm->tof_data.responder_cfg; + + mutex_lock(&mvm->mutex); + + pos += scnprintf(buf + pos, bufsz - pos, "burst_period = %d\n", + le16_to_cpu(cmd->burst_period)); + pos += scnprintf(buf + pos, bufsz - pos, "burst_duration = %d\n", + cmd->burst_duration); + pos += scnprintf(buf + pos, bufsz - pos, "bandwidth = %d\n", + cmd->bandwidth); + pos += scnprintf(buf + pos, bufsz - pos, "channel_num = %d\n", + cmd->channel_num); + pos += scnprintf(buf + pos, bufsz - pos, "ctrl_ch_position = 0x%x\n", + cmd->ctrl_ch_position); + pos += scnprintf(buf + pos, bufsz - pos, "bssid = %pM\n", + cmd->bssid); + pos += scnprintf(buf + pos, bufsz - pos, "min_delta_ftm = %d\n", + cmd->min_delta_ftm); + pos += scnprintf(buf + pos, bufsz - pos, "num_of_burst_exp = %d\n", + cmd->num_of_burst_exp); + pos += scnprintf(buf + pos, bufsz - pos, "rate = %d\n", cmd->rate); + pos += scnprintf(buf + pos, bufsz - pos, "abort_responder = %d\n", + cmd->abort_responder); + pos += scnprintf(buf + pos, bufsz - pos, "get_ch_est = %d\n", + cmd->get_ch_est); + pos += scnprintf(buf + pos, bufsz - pos, "recv_sta_req_params = %d\n", + cmd->recv_sta_req_params); + pos += scnprintf(buf + pos, bufsz - pos, "ftm_per_burst = %d\n", + cmd->ftm_per_burst); + pos += scnprintf(buf + pos, bufsz - pos, "ftm_resp_ts_avail = %d\n", + cmd->ftm_resp_ts_avail); + pos += scnprintf(buf + pos, bufsz - pos, "asap_mode = %d\n", + cmd->asap_mode); + pos += scnprintf(buf + pos, bufsz - pos, + "tsf_timer_offset_msecs = %d\n", + le16_to_cpu(cmd->tsf_timer_offset_msecs)); + pos += scnprintf(buf + pos, bufsz - pos, "toa_offset = %d\n", + le16_to_cpu(cmd->toa_offset)); + + mutex_unlock(&mvm->mutex); + + return simple_read_from_buffer(user_buf, count, ppos, buf, pos); +} + +static ssize_t iwl_dbgfs_tof_range_request_write(struct ieee80211_vif *vif, + char *buf, size_t count, + loff_t *ppos) +{ + struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); + struct iwl_mvm *mvm = mvmvif->mvm; + int value, ret = 0; + char *data; + + mutex_lock(&mvm->mutex); + + data = iwl_dbgfs_is_match("request_id=", buf); + if (data) { + ret = kstrtou32(data, 10, &value); + if (ret == 0) + mvm->tof_data.range_req.request_id = value; + goto out; + } + + data = iwl_dbgfs_is_match("initiator=", buf); + if (data) { + ret = kstrtou32(data, 10, &value); + if (ret == 0) + mvm->tof_data.range_req.initiator = value; + goto out; + } + + data = iwl_dbgfs_is_match("one_sided_los_disable=", buf); + if (data) { + ret = kstrtou32(data, 10, &value); + if (ret == 0) + mvm->tof_data.range_req.one_sided_los_disable = value; + goto out; + } + + data = iwl_dbgfs_is_match("req_timeout=", buf); + if (data) { + ret = kstrtou32(data, 10, &value); + if (ret == 0) + mvm->tof_data.range_req.req_timeout = value; + goto out; + } + + data = iwl_dbgfs_is_match("report_policy=", buf); + if (data) { + ret = kstrtou32(data, 10, &value); + if (ret == 0) + mvm->tof_data.range_req.report_policy = value; + goto out; + } + + data = iwl_dbgfs_is_match("macaddr_random=", buf); + if (data) { + ret = kstrtou32(data, 10, &value); + if (ret == 0) + mvm->tof_data.range_req.macaddr_random = value; + goto out; + } + + data = iwl_dbgfs_is_match("num_of_ap=", buf); + if (data) { + ret = kstrtou32(data, 10, &value); + if (ret == 0) + mvm->tof_data.range_req.num_of_ap = value; + goto out; + } + + data = iwl_dbgfs_is_match("macaddr_template=", buf); + if (data) { + u8 mac[ETH_ALEN]; + + if (!mac_pton(data, mac)) { + ret = -EINVAL; + goto out; + } + memcpy(mvm->tof_data.range_req.macaddr_template, mac, ETH_ALEN); + } + + data = iwl_dbgfs_is_match("macaddr_mask=", buf); + if (data) { + u8 mac[ETH_ALEN]; + + if (!mac_pton(data, mac)) { + ret = -EINVAL; + goto out; + } + memcpy(mvm->tof_data.range_req.macaddr_mask, mac, ETH_ALEN); + } + + data = iwl_dbgfs_is_match("ap=", buf); + if (data) { + struct iwl_tof_range_req_ap_entry ap; + int size = sizeof(struct iwl_tof_range_req_ap_entry); + u16 burst_period; + u8 *mac = ap.bssid; + int i; + + if (sscanf(data, "%d %hhd %hhx %hhx" + "%hhx:%hhx:%hhx:%hhx:%hhx:%hhx" + "%hhx %hhx %hx" + "%hhx %hhx %x" + "%hhx %hhx %hhx %hhx", + &i, &ap.channel_num, &ap.bandwidth, + &ap.ctrl_ch_position, + mac, mac + 1, mac + 2, mac + 3, mac + 4, mac + 5, + &ap.measure_type, &ap.num_of_bursts, + &burst_period, + &ap.samples_per_burst, &ap.retries_per_sample, + &ap.tsf_delta, &ap.location_req, &ap.asap_mode, + &ap.enable_dyn_ack, &ap.rssi) != 20) { + ret = -EINVAL; + goto out; + } + if (i > IWL_MVM_TOF_MAX_APS) { + IWL_ERR(mvm, "Invalid AP index %d\n", i); + ret = -EINVAL; + goto out; + } + + ap.burst_period = cpu_to_le16(burst_period); + + memcpy(&mvm->tof_data.range_req.ap[i], &ap, size); + goto out; + } + + data = iwl_dbgfs_is_match("send_range_request=", buf); + if (data) { + ret = kstrtou32(data, 10, &value); + if (ret == 0 && value) { + ret = iwl_mvm_tof_range_request_cmd(mvm, vif); + goto out; + } + } + +out: + mutex_unlock(&mvm->mutex); + return ret ?: count; +} + +static ssize_t iwl_dbgfs_tof_range_request_read(struct file *file, + char __user *user_buf, + size_t count, loff_t *ppos) +{ + struct ieee80211_vif *vif = file->private_data; + struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); + struct iwl_mvm *mvm = mvmvif->mvm; + char buf[512]; + int pos = 0; + const size_t bufsz = sizeof(buf); + struct iwl_tof_range_req_cmd *cmd; + int i; + + cmd = &mvm->tof_data.range_req; + + mutex_lock(&mvm->mutex); + + pos += scnprintf(buf + pos, bufsz - pos, "request_id= %d\n", + cmd->request_id); + pos += scnprintf(buf + pos, bufsz - pos, "initiator= %d\n", + cmd->initiator); + pos += scnprintf(buf + pos, bufsz - pos, "one_sided_los_disable = %d\n", + cmd->one_sided_los_disable); + pos += scnprintf(buf + pos, bufsz - pos, "req_timeout= %d\n", + cmd->req_timeout); + pos += scnprintf(buf + pos, bufsz - pos, "report_policy= %d\n", + cmd->report_policy); + pos += scnprintf(buf + pos, bufsz - pos, "macaddr_random= %d\n", + cmd->macaddr_random); + pos += scnprintf(buf + pos, bufsz - pos, "macaddr_template= %pM\n", + cmd->macaddr_template); + pos += scnprintf(buf + pos, bufsz - pos, "macaddr_mask= %pM\n", + cmd->macaddr_mask); + pos += scnprintf(buf + pos, bufsz - pos, "num_of_ap= %d\n", + cmd->num_of_ap); + for (i = 0; i < cmd->num_of_ap; i++) { + struct iwl_tof_range_req_ap_entry *ap = &cmd->ap[i]; + + pos += scnprintf(buf + pos, bufsz - pos, + "ap %.2d: channel_num=%hhx bw=%hhx" + " control=%hhx bssid=%pM type=%hhx" + " num_of_bursts=%hhx burst_period=%hx ftm=%hhx" + " retries=%hhx tsf_delta=%x location_req=%hhx " + " asap=%hhx enable=%hhx rssi=%hhx\n", + i, ap->channel_num, ap->bandwidth, + ap->ctrl_ch_position, ap->bssid, + ap->measure_type, ap->num_of_bursts, + ap->burst_period, ap->samples_per_burst, + ap->retries_per_sample, ap->tsf_delta, + ap->location_req, ap->asap_mode, + ap->enable_dyn_ack, ap->rssi); + } + + mutex_unlock(&mvm->mutex); + + return simple_read_from_buffer(user_buf, count, ppos, buf, pos); +} + +static ssize_t iwl_dbgfs_tof_range_req_ext_write(struct ieee80211_vif *vif, + char *buf, + size_t count, loff_t *ppos) +{ + struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); + struct iwl_mvm *mvm = mvmvif->mvm; + int value, ret = 0; + char *data; + + mutex_lock(&mvm->mutex); + + data = iwl_dbgfs_is_match("tsf_timer_offset_msec=", buf); + if (data) { + ret = kstrtou32(data, 10, &value); + if (ret == 0) + mvm->tof_data.range_req_ext.tsf_timer_offset_msec = + cpu_to_le16(value); + goto out; + } + + data = iwl_dbgfs_is_match("min_delta_ftm=", buf); + if (data) { + ret = kstrtou32(data, 10, &value); + if (ret == 0) + mvm->tof_data.range_req_ext.min_delta_ftm = value; + goto out; + } + + data = iwl_dbgfs_is_match("ftm_format_and_bw20M=", buf); + if (data) { + ret = kstrtou32(data, 10, &value); + if (ret == 0) + mvm->tof_data.range_req_ext.ftm_format_and_bw20M = + value; + goto out; + } + + data = iwl_dbgfs_is_match("ftm_format_and_bw40M=", buf); + if (data) { + ret = kstrtou32(data, 10, &value); + if (ret == 0) + mvm->tof_data.range_req_ext.ftm_format_and_bw40M = + value; + goto out; + } + + data = iwl_dbgfs_is_match("ftm_format_and_bw80M=", buf); + if (data) { + ret = kstrtou32(data, 10, &value); + if (ret == 0) + mvm->tof_data.range_req_ext.ftm_format_and_bw80M = + value; + goto out; + } + + data = iwl_dbgfs_is_match("send_range_req_ext=", buf); + if (data) { + ret = kstrtou32(data, 10, &value); + if (ret == 0 && value) { + ret = iwl_mvm_tof_range_request_ext_cmd(mvm, vif); + goto out; + } + } + +out: + mutex_unlock(&mvm->mutex); + return ret ?: count; +} + +static ssize_t iwl_dbgfs_tof_range_req_ext_read(struct file *file, + char __user *user_buf, + size_t count, loff_t *ppos) +{ + struct ieee80211_vif *vif = file->private_data; + struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); + struct iwl_mvm *mvm = mvmvif->mvm; + char buf[256]; + int pos = 0; + const size_t bufsz = sizeof(buf); + struct iwl_tof_range_req_ext_cmd *cmd; + + cmd = &mvm->tof_data.range_req_ext; + + mutex_lock(&mvm->mutex); + + pos += scnprintf(buf + pos, bufsz - pos, + "tsf_timer_offset_msec = %hx\n", + cmd->tsf_timer_offset_msec); + pos += scnprintf(buf + pos, bufsz - pos, "min_delta_ftm = %hhx\n", + cmd->min_delta_ftm); + pos += scnprintf(buf + pos, bufsz - pos, + "ftm_format_and_bw20M = %hhx\n", + cmd->ftm_format_and_bw20M); + pos += scnprintf(buf + pos, bufsz - pos, + "ftm_format_and_bw40M = %hhx\n", + cmd->ftm_format_and_bw40M); + pos += scnprintf(buf + pos, bufsz - pos, + "ftm_format_and_bw80M = %hhx\n", + cmd->ftm_format_and_bw80M); + + mutex_unlock(&mvm->mutex); + return simple_read_from_buffer(user_buf, count, ppos, buf, pos); +} + +static ssize_t iwl_dbgfs_tof_range_abort_write(struct ieee80211_vif *vif, + char *buf, + size_t count, loff_t *ppos) +{ + struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); + struct iwl_mvm *mvm = mvmvif->mvm; + int value, ret = 0; + int abort_id; + char *data; + + mutex_lock(&mvm->mutex); + + data = iwl_dbgfs_is_match("abort_id=", buf); + if (data) { + ret = kstrtou32(data, 10, &value); + if (ret == 0) + mvm->tof_data.last_abort_id = value; + goto out; + } + + data = iwl_dbgfs_is_match("send_range_abort=", buf); + if (data) { + ret = kstrtou32(data, 10, &value); + if (ret == 0 && value) { + abort_id = mvm->tof_data.last_abort_id; + ret = iwl_mvm_tof_range_abort_cmd(mvm, abort_id); + goto out; + } + } + +out: + mutex_unlock(&mvm->mutex); + return ret ?: count; +} + +static ssize_t iwl_dbgfs_tof_range_abort_read(struct file *file, + char __user *user_buf, + size_t count, loff_t *ppos) +{ + struct ieee80211_vif *vif = file->private_data; + struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); + struct iwl_mvm *mvm = mvmvif->mvm; + char buf[32]; + int pos = 0; + const size_t bufsz = sizeof(buf); + int last_abort_id; + + mutex_lock(&mvm->mutex); + last_abort_id = mvm->tof_data.last_abort_id; + mutex_unlock(&mvm->mutex); + + pos += scnprintf(buf + pos, bufsz - pos, "last_abort_id = %d\n", + last_abort_id); + return simple_read_from_buffer(user_buf, count, ppos, buf, pos); +} + +static ssize_t iwl_dbgfs_tof_range_response_read(struct file *file, + char __user *user_buf, + size_t count, loff_t *ppos) +{ + struct ieee80211_vif *vif = file->private_data; + struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); + struct iwl_mvm *mvm = mvmvif->mvm; + char *buf; + int pos = 0; + const size_t bufsz = sizeof(struct iwl_tof_range_rsp_ntfy) + 256; + struct iwl_tof_range_rsp_ntfy *cmd; + int i, ret; + + buf = kzalloc(bufsz, GFP_KERNEL); + if (!buf) + return -ENOMEM; + + mutex_lock(&mvm->mutex); + cmd = &mvm->tof_data.range_resp; + + pos += scnprintf(buf + pos, bufsz - pos, "request_id = %d\n", + cmd->request_id); + pos += scnprintf(buf + pos, bufsz - pos, "status = %d\n", + cmd->request_status); + pos += scnprintf(buf + pos, bufsz - pos, "last_in_batch = %d\n", + cmd->last_in_batch); + pos += scnprintf(buf + pos, bufsz - pos, "num_of_aps = %d\n", + cmd->num_of_aps); + for (i = 0; i < cmd->num_of_aps; i++) { + struct iwl_tof_range_rsp_ap_entry_ntfy *ap = &cmd->ap[i]; + + pos += scnprintf(buf + pos, bufsz - pos, + "ap %.2d: bssid=%pM status=%hhx bw=%hhx" + " rtt=%x rtt_var=%x rtt_spread=%x" + " rssi=%hhx rssi_spread=%hhx" + " range=%x range_var=%x" + " time_stamp=%x\n", + i, ap->bssid, ap->measure_status, + ap->measure_bw, + ap->rtt, ap->rtt_variance, ap->rtt_spread, + ap->rssi, ap->rssi_spread, ap->range, + ap->range_variance, ap->timestamp); + } + mutex_unlock(&mvm->mutex); + + ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); + kfree(buf); + return ret; +} + static ssize_t iwl_dbgfs_low_latency_write(struct ieee80211_vif *vif, char *buf, size_t count, loff_t *ppos) { @@ -628,6 +1354,12 @@ MVM_DEBUGFS_READ_WRITE_FILE_OPS(bf_params, 256); MVM_DEBUGFS_READ_WRITE_FILE_OPS(low_latency, 10); MVM_DEBUGFS_READ_WRITE_FILE_OPS(uapsd_misbehaving, 20); MVM_DEBUGFS_READ_WRITE_FILE_OPS(rx_phyinfo, 10); +MVM_DEBUGFS_READ_WRITE_FILE_OPS(tof_enable, 32); +MVM_DEBUGFS_READ_WRITE_FILE_OPS(tof_range_request, 512); +MVM_DEBUGFS_READ_WRITE_FILE_OPS(tof_range_req_ext, 32); +MVM_DEBUGFS_READ_WRITE_FILE_OPS(tof_range_abort, 32); +MVM_DEBUGFS_READ_FILE_OPS(tof_range_response); +MVM_DEBUGFS_READ_WRITE_FILE_OPS(tof_responder_params, 32); void iwl_mvm_vif_dbgfs_register(struct iwl_mvm *mvm, struct ieee80211_vif *vif) { @@ -671,6 +1403,25 @@ void iwl_mvm_vif_dbgfs_register(struct iwl_mvm *mvm, struct ieee80211_vif *vif) MVM_DEBUGFS_ADD_FILE_VIF(bf_params, mvmvif->dbgfs_dir, S_IRUSR | S_IWUSR); + if (fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_TOF_SUPPORT) && + !vif->p2p && (vif->type != NL80211_IFTYPE_P2P_DEVICE)) { + if (IWL_MVM_TOF_IS_RESPONDER && vif->type == NL80211_IFTYPE_AP) + MVM_DEBUGFS_ADD_FILE_VIF(tof_responder_params, + mvmvif->dbgfs_dir, + S_IRUSR | S_IWUSR); + + MVM_DEBUGFS_ADD_FILE_VIF(tof_range_request, mvmvif->dbgfs_dir, + S_IRUSR | S_IWUSR); + MVM_DEBUGFS_ADD_FILE_VIF(tof_range_req_ext, mvmvif->dbgfs_dir, + S_IRUSR | S_IWUSR); + MVM_DEBUGFS_ADD_FILE_VIF(tof_enable, mvmvif->dbgfs_dir, + S_IRUSR | S_IWUSR); + MVM_DEBUGFS_ADD_FILE_VIF(tof_range_abort, mvmvif->dbgfs_dir, + S_IRUSR | S_IWUSR); + MVM_DEBUGFS_ADD_FILE_VIF(tof_range_response, mvmvif->dbgfs_dir, + S_IRUSR); + } + /* * Create symlink for convenience pointing to interface specific * debugfs entries for the driver. For example, under |