From 33a8b1b0182842ee5eaaa2022e2d686fc90c5aaf Mon Sep 17 00:00:00 2001 From: Lior David Date: Thu, 18 Aug 2016 22:23:31 +0300 Subject: [PATCH] wil6210: initial support for FTM and AOA Added initial support for fine timing measurement(FTM) and angle of arrival (AOA). These features allow a station to get an accurate indoor location by measuring distance (FTM) and azimuth/elevation (AOA) to one or more stations/APs with a known location. The following APIs are supported: 1. Get FTM/AOA capabilities, currently hard-coded for a single-shot measurement to an associated AP 2. Start FTM session 3. Receive FTM results 4. Start standalone AOA measurement 5. Receive AOA results Change-Id: I54ebc1bdff6ed7d91644165b16eb0a4240069321 CRs-Fixed: 1057307 Signed-off-by: Lior David --- drivers/net/wireless/ath/wil6210/Makefile | 1 + drivers/net/wireless/ath/wil6210/cfg80211.c | 90 ++ drivers/net/wireless/ath/wil6210/ftm.c | 903 ++++++++++++++++++++ drivers/net/wireless/ath/wil6210/ftm.h | 512 +++++++++++ drivers/net/wireless/ath/wil6210/main.c | 4 + drivers/net/wireless/ath/wil6210/wil6210.h | 19 + drivers/net/wireless/ath/wil6210/wmi.c | 32 + 7 files changed, 1561 insertions(+) create mode 100644 drivers/net/wireless/ath/wil6210/ftm.c create mode 100644 drivers/net/wireless/ath/wil6210/ftm.h diff --git a/drivers/net/wireless/ath/wil6210/Makefile b/drivers/net/wireless/ath/wil6210/Makefile index 81651c7dec72..a0f76581e6eb 100644 --- a/drivers/net/wireless/ath/wil6210/Makefile +++ b/drivers/net/wireless/ath/wil6210/Makefile @@ -19,6 +19,7 @@ wil6210-y += wil_platform.o wil6210-y += ethtool.o wil6210-y += wil_crash_dump.o wil6210-y += p2p.o +wil6210-y += ftm.o # for tracing framework to find trace.h CFLAGS_trace.o := -I$(src) diff --git a/drivers/net/wireless/ath/wil6210/cfg80211.c b/drivers/net/wireless/ath/wil6210/cfg80211.c index 60f2a2e541a9..17b419d408cd 100644 --- a/drivers/net/wireless/ath/wil6210/cfg80211.c +++ b/drivers/net/wireless/ath/wil6210/cfg80211.c @@ -17,6 +17,7 @@ #include #include "wil6210.h" #include "wmi.h" +#include "ftm.h" #define WIL_MAX_ROC_DURATION_MS 5000 @@ -36,6 +37,90 @@ static struct ieee80211_channel wil_60ghz_channels[] = { /* channel 4 not supported yet */ }; +/* Vendor id to be used in vendor specific command and events + * to user space. + * NOTE: The authoritative place for definition of QCA_NL80211_VENDOR_ID, + * vendor subcmd definitions prefixed with QCA_NL80211_VENDOR_SUBCMD, and + * qca_wlan_vendor_attr is open source file src/common/qca-vendor.h in + * git://w1.fi/srv/git/hostap.git; the values here are just a copy of that + */ + +#define QCA_NL80211_VENDOR_ID 0x001374 + +enum qca_nl80211_vendor_subcmds { + QCA_NL80211_VENDOR_SUBCMD_LOC_GET_CAPA = 128, + QCA_NL80211_VENDOR_SUBCMD_FTM_START_SESSION = 129, + QCA_NL80211_VENDOR_SUBCMD_FTM_ABORT_SESSION = 130, + QCA_NL80211_VENDOR_SUBCMD_FTM_MEAS_RESULT = 131, + QCA_NL80211_VENDOR_SUBCMD_FTM_SESSION_DONE = 132, + QCA_NL80211_VENDOR_SUBCMD_FTM_CFG_RESPONDER = 133, + QCA_NL80211_VENDOR_SUBCMD_AOA_MEAS = 134, + QCA_NL80211_VENDOR_SUBCMD_AOA_ABORT_MEAS = 135, + QCA_NL80211_VENDOR_SUBCMD_AOA_MEAS_RESULT = 136, +}; + +/* vendor specific commands */ +static const struct wiphy_vendor_command wil_nl80211_vendor_commands[] = { + { + .info.vendor_id = QCA_NL80211_VENDOR_ID, + .info.subcmd = QCA_NL80211_VENDOR_SUBCMD_LOC_GET_CAPA, + .flags = WIPHY_VENDOR_CMD_NEED_WDEV | + WIPHY_VENDOR_CMD_NEED_RUNNING, + .doit = wil_ftm_get_capabilities + }, + { + .info.vendor_id = QCA_NL80211_VENDOR_ID, + .info.subcmd = QCA_NL80211_VENDOR_SUBCMD_FTM_START_SESSION, + .flags = WIPHY_VENDOR_CMD_NEED_WDEV | + WIPHY_VENDOR_CMD_NEED_RUNNING, + .doit = wil_ftm_start_session + }, + { + .info.vendor_id = QCA_NL80211_VENDOR_ID, + .info.subcmd = QCA_NL80211_VENDOR_SUBCMD_FTM_ABORT_SESSION, + .flags = WIPHY_VENDOR_CMD_NEED_WDEV | + WIPHY_VENDOR_CMD_NEED_RUNNING, + .doit = wil_ftm_abort_session + }, + { + .info.vendor_id = QCA_NL80211_VENDOR_ID, + .info.subcmd = QCA_NL80211_VENDOR_SUBCMD_FTM_CFG_RESPONDER, + .flags = WIPHY_VENDOR_CMD_NEED_WDEV | + WIPHY_VENDOR_CMD_NEED_RUNNING, + .doit = wil_ftm_configure_responder + }, + { + .info.vendor_id = QCA_NL80211_VENDOR_ID, + .info.subcmd = QCA_NL80211_VENDOR_SUBCMD_AOA_MEAS, + .flags = WIPHY_VENDOR_CMD_NEED_WDEV | + WIPHY_VENDOR_CMD_NEED_RUNNING, + .doit = wil_aoa_start_measurement + }, + { + .info.vendor_id = QCA_NL80211_VENDOR_ID, + .info.subcmd = QCA_NL80211_VENDOR_SUBCMD_AOA_ABORT_MEAS, + .flags = WIPHY_VENDOR_CMD_NEED_WDEV | + WIPHY_VENDOR_CMD_NEED_RUNNING, + .doit = wil_aoa_abort_measurement + }, +}; + +/* vendor specific events */ +static const struct nl80211_vendor_cmd_info wil_nl80211_vendor_events[] = { + [QCA_NL80211_VENDOR_EVENT_FTM_MEAS_RESULT_INDEX] = { + .vendor_id = QCA_NL80211_VENDOR_ID, + .subcmd = QCA_NL80211_VENDOR_SUBCMD_FTM_MEAS_RESULT + }, + [QCA_NL80211_VENDOR_EVENT_FTM_SESSION_DONE_INDEX] = { + .vendor_id = QCA_NL80211_VENDOR_ID, + .subcmd = QCA_NL80211_VENDOR_SUBCMD_FTM_SESSION_DONE + }, + [QCA_NL80211_VENDOR_EVENT_AOA_MEAS_RESULT_INDEX] = { + .vendor_id = QCA_NL80211_VENDOR_ID, + .subcmd = QCA_NL80211_VENDOR_SUBCMD_AOA_MEAS_RESULT + }, +}; + static struct ieee80211_supported_band wil_band_60ghz = { .channels = wil_60ghz_channels, .n_channels = ARRAY_SIZE(wil_60ghz_channels), @@ -1483,6 +1568,11 @@ static void wil_wiphy_init(struct wiphy *wiphy) wiphy->n_cipher_suites = ARRAY_SIZE(wil_cipher_suites); wiphy->mgmt_stypes = wil_mgmt_stypes; wiphy->features |= NL80211_FEATURE_SK_TX_STATUS; + + wiphy->n_vendor_commands = ARRAY_SIZE(wil_nl80211_vendor_commands); + wiphy->vendor_commands = wil_nl80211_vendor_commands; + wiphy->vendor_events = wil_nl80211_vendor_events; + wiphy->n_vendor_events = ARRAY_SIZE(wil_nl80211_vendor_events); } struct wireless_dev *wil_cfg80211_init(struct device *dev) diff --git a/drivers/net/wireless/ath/wil6210/ftm.c b/drivers/net/wireless/ath/wil6210/ftm.c new file mode 100644 index 000000000000..5cf07343a33c --- /dev/null +++ b/drivers/net/wireless/ath/wil6210/ftm.c @@ -0,0 +1,903 @@ +/* + * Copyright (c) 2016, The Linux Foundation. All rights reserved. + * + * Permission to use, copy, modify, and/or distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + +#include +#include +#include "wil6210.h" +#include "ftm.h" +#include "wmi.h" + +/* FTM session ID we use with FW */ +#define WIL_FTM_FW_SESSION_ID 1 + +/* fixed spare allocation we reserve in NL messages we allocate */ +#define WIL_FTM_NL_EXTRA_ALLOC 32 + +/* approx maximum length for FTM_MEAS_RESULT NL80211 event */ +#define WIL_FTM_MEAS_RESULT_MAX_LENGTH 2048 + +/* timeout for waiting for standalone AOA measurement, milliseconds */ +#define WIL_AOA_MEASUREMENT_TIMEOUT 1000 + +/* maximum number of allowed FTM measurements per burst */ +#define WIL_FTM_MAX_MEAS_PER_BURST 31 + +/* initial token to use on non-secure FTM measurement */ +#define WIL_TOF_FTM_DEFAULT_INITIAL_TOKEN 2 + +#define WIL_TOF_FTM_MAX_LCI_LENGTH (240) +#define WIL_TOF_FTM_MAX_LCR_LENGTH (240) + +static const struct +nla_policy wil_nl80211_loc_policy[QCA_WLAN_VENDOR_ATTR_LOC_MAX + 1] = { + [QCA_WLAN_VENDOR_ATTR_FTM_SESSION_COOKIE] = { .type = NLA_U64 }, + [QCA_WLAN_VENDOR_ATTR_LOC_CAPA] = { .type = NLA_NESTED }, + [QCA_WLAN_VENDOR_ATTR_FTM_MEAS_PEERS] = { .type = NLA_NESTED }, + [QCA_WLAN_VENDOR_ATTR_FTM_MEAS_PEER_RESULTS] = { .type = NLA_NESTED }, + [QCA_WLAN_VENDOR_ATTR_FTM_RESPONDER_ENABLE] = { .type = NLA_FLAG }, + [QCA_WLAN_VENDOR_ATTR_LOC_SESSION_STATUS] = { .type = NLA_U32 }, + [QCA_WLAN_VENDOR_ATTR_FTM_INITIAL_TOKEN] = { .type = NLA_U8 }, + [QCA_WLAN_VENDOR_ATTR_AOA_TYPE] = { .type = NLA_U32 }, + [QCA_WLAN_VENDOR_ATTR_LOC_ANTENNA_ARRAY_MASK] = { .type = NLA_U32 }, +}; + +static const struct +nla_policy wil_nl80211_ftm_peer_policy[ + QCA_WLAN_VENDOR_ATTR_FTM_PEER_MAX + 1] = { + [QCA_WLAN_VENDOR_ATTR_FTM_PEER_MAC_ADDR] = { .len = ETH_ALEN }, + [QCA_WLAN_VENDOR_ATTR_FTM_PEER_MEAS_FLAGS] = { .type = NLA_U32 }, + [QCA_WLAN_VENDOR_ATTR_FTM_PEER_MEAS_PARAMS] = { .type = NLA_NESTED }, + [QCA_WLAN_VENDOR_ATTR_FTM_PEER_SECURE_TOKEN_ID] = { .type = NLA_U8 }, +}; + +static const struct +nla_policy wil_nl80211_ftm_meas_param_policy[ + QCA_WLAN_VENDOR_ATTR_FTM_PARAM_MAX + 1] = { + [QCA_WLAN_VENDOR_ATTR_FTM_PARAM_MEAS_PER_BURST] = { .type = NLA_U8 }, + [QCA_WLAN_VENDOR_ATTR_FTM_PARAM_NUM_BURSTS_EXP] = { .type = NLA_U8 }, + [QCA_WLAN_VENDOR_ATTR_FTM_PARAM_BURST_DURATION] = { .type = NLA_U8 }, + [QCA_WLAN_VENDOR_ATTR_FTM_PARAM_BURST_PERIOD] = { .type = NLA_U16 }, +}; + +static int wil_ftm_parse_meas_params(struct wil6210_priv *wil, + struct nlattr *attr, + struct wil_ftm_meas_params *params) +{ + struct nlattr *tb[QCA_WLAN_VENDOR_ATTR_FTM_PARAM_MAX + 1]; + int rc; + + if (!attr) { + /* temporary defaults for one-shot measurement */ + params->meas_per_burst = 1; + params->burst_period = 5; /* 500 milliseconds */ + return 0; + } + rc = nla_parse_nested(tb, QCA_WLAN_VENDOR_ATTR_FTM_PARAM_MAX, + attr, wil_nl80211_ftm_meas_param_policy); + if (rc) { + wil_err(wil, "invalid measurement params\n"); + return rc; + } + if (tb[QCA_WLAN_VENDOR_ATTR_FTM_PARAM_MEAS_PER_BURST]) + params->meas_per_burst = nla_get_u8( + tb[QCA_WLAN_VENDOR_ATTR_FTM_PARAM_MEAS_PER_BURST]); + if (tb[QCA_WLAN_VENDOR_ATTR_FTM_PARAM_NUM_BURSTS_EXP]) + params->num_of_bursts_exp = nla_get_u8( + tb[QCA_WLAN_VENDOR_ATTR_FTM_PARAM_NUM_BURSTS_EXP]); + if (tb[QCA_WLAN_VENDOR_ATTR_FTM_PARAM_BURST_DURATION]) + params->burst_duration = nla_get_u8( + tb[QCA_WLAN_VENDOR_ATTR_FTM_PARAM_BURST_DURATION]); + if (tb[QCA_WLAN_VENDOR_ATTR_FTM_PARAM_BURST_PERIOD]) + params->burst_period = nla_get_u16( + tb[QCA_WLAN_VENDOR_ATTR_FTM_PARAM_BURST_PERIOD]); + return 0; +} + +static int wil_ftm_validate_meas_params(struct wil6210_priv *wil, + struct wil_ftm_meas_params *params) +{ + /* temporary allow only single-burst */ + if (params->meas_per_burst > WIL_FTM_MAX_MEAS_PER_BURST || + params->num_of_bursts_exp != 0) { + wil_err(wil, "invalid measurement params\n"); + return -EINVAL; + } + + return 0; +} + +static int wil_ftm_append_meas_params(struct wil6210_priv *wil, + struct sk_buff *msg, + struct wil_ftm_meas_params *params) +{ + struct nlattr *nl_p; + + nl_p = nla_nest_start( + msg, QCA_WLAN_VENDOR_ATTR_FTM_PEER_RES_MEAS_PARAMS); + if (!nl_p) + goto out_put_failure; + if (nla_put_u8(msg, QCA_WLAN_VENDOR_ATTR_FTM_PARAM_MEAS_PER_BURST, + params->meas_per_burst) || + nla_put_u8(msg, QCA_WLAN_VENDOR_ATTR_FTM_PARAM_NUM_BURSTS_EXP, + params->num_of_bursts_exp) || + nla_put_u8(msg, QCA_WLAN_VENDOR_ATTR_FTM_PARAM_BURST_DURATION, + params->burst_duration) || + nla_put_u16(msg, QCA_WLAN_VENDOR_ATTR_FTM_PARAM_BURST_PERIOD, + params->burst_period)) + goto out_put_failure; + nla_nest_end(msg, nl_p); + return 0; +out_put_failure: + return -ENOBUFS; +} + +static int wil_ftm_append_peer_meas_res(struct wil6210_priv *wil, + struct sk_buff *msg, + struct wil_ftm_peer_meas_res *res) +{ + struct nlattr *nl_mres, *nl_f; + int i; + + if (nla_put(msg, QCA_WLAN_VENDOR_ATTR_FTM_PEER_RES_MAC_ADDR, + ETH_ALEN, res->mac_addr) || + nla_put_u32(msg, QCA_WLAN_VENDOR_ATTR_FTM_PEER_RES_FLAGS, + res->flags) || + nla_put_u8(msg, QCA_WLAN_VENDOR_ATTR_FTM_PEER_RES_STATUS, + res->status)) + goto out_put_failure; + if (res->status == QCA_WLAN_VENDOR_ATTR_FTM_PEER_RES_STATUS_FAILED && + nla_put_u8(msg, + QCA_WLAN_VENDOR_ATTR_FTM_PEER_RES_VALUE_SECONDS, + res->value_seconds)) + goto out_put_failure; + if (res->has_params && + wil_ftm_append_meas_params(wil, msg, &res->params)) + goto out_put_failure; + nl_mres = nla_nest_start(msg, QCA_WLAN_VENDOR_ATTR_FTM_PEER_RES_MEAS); + if (!nl_mres) + goto out_put_failure; + for (i = 0; i < res->n_meas; i++) { + nl_f = nla_nest_start(msg, i); + if (!nl_f) + goto out_put_failure; + if (nla_put_u64(msg, QCA_WLAN_VENDOR_ATTR_FTM_MEAS_T1, + res->meas[i].t1) || + nla_put_u64(msg, QCA_WLAN_VENDOR_ATTR_FTM_MEAS_T2, + res->meas[i].t2) || + nla_put_u64(msg, QCA_WLAN_VENDOR_ATTR_FTM_MEAS_T3, + res->meas[i].t3) || + nla_put_u64(msg, QCA_WLAN_VENDOR_ATTR_FTM_MEAS_T4, + res->meas[i].t4)) + goto out_put_failure; + nla_nest_end(msg, nl_f); + } + nla_nest_end(msg, nl_mres); + return 0; +out_put_failure: + wil_err(wil, "fail to append peer result\n"); + return -ENOBUFS; +} + +static void wil_ftm_send_meas_result(struct wil6210_priv *wil, + struct wil_ftm_peer_meas_res *res) +{ + struct sk_buff *vendor_event = NULL; + struct nlattr *nl_res; + int rc = 0; + + wil_dbg_misc(wil, "sending %d results for peer %pM\n", + res->n_meas, res->mac_addr); + + vendor_event = cfg80211_vendor_event_alloc( + wil_to_wiphy(wil), + wil->wdev, + WIL_FTM_MEAS_RESULT_MAX_LENGTH, + QCA_NL80211_VENDOR_EVENT_FTM_MEAS_RESULT_INDEX, + GFP_KERNEL); + if (!vendor_event) { + wil_err(wil, "fail to allocate measurement result\n"); + rc = -ENOMEM; + goto out; + } + + if (nla_put_u64( + vendor_event, QCA_WLAN_VENDOR_ATTR_FTM_SESSION_COOKIE, + wil->ftm.session_cookie)) { + rc = -ENOBUFS; + goto out; + } + + nl_res = nla_nest_start(vendor_event, + QCA_WLAN_VENDOR_ATTR_FTM_MEAS_PEER_RESULTS); + if (!nl_res) { + rc = -ENOBUFS; + goto out; + } + + rc = wil_ftm_append_peer_meas_res(wil, vendor_event, res); + if (rc) + goto out; + + nla_nest_end(vendor_event, nl_res); + cfg80211_vendor_event(vendor_event, GFP_KERNEL); + vendor_event = NULL; +out: + if (vendor_event) + kfree_skb(vendor_event); + if (rc) + wil_err(wil, "send peer result failed, err %d\n", rc); +} + +static void wil_ftm_send_peer_res(struct wil6210_priv *wil) +{ + if (!wil->ftm.has_ftm_res || !wil->ftm.ftm_res) + return; + + wil_ftm_send_meas_result(wil, wil->ftm.ftm_res); + wil->ftm.has_ftm_res = 0; + wil->ftm.ftm_res->n_meas = 0; +} + +static void wil_aoa_measurement_timeout(struct work_struct *work) +{ + struct wil_ftm_priv *ftm = container_of(work, struct wil_ftm_priv, + aoa_timeout_work); + struct wil6210_priv *wil = container_of(ftm, struct wil6210_priv, ftm); + struct wil_aoa_meas_result res; + + wil_dbg_misc(wil, "AOA measurement timeout\n"); + + memset(&res, 0, sizeof(res)); + ether_addr_copy(res.mac_addr, wil->ftm.aoa_peer_mac_addr); + res.type = wil->ftm.aoa_type; + res.status = QCA_WLAN_VENDOR_ATTR_LOC_SESSION_STATUS_ABORTED; + wil_aoa_cfg80211_meas_result(wil, &res); +} + +static int +wil_ftm_cfg80211_start_session(struct wil6210_priv *wil, + struct wil_ftm_session_request *request) +{ + int rc = 0; + bool has_lci = false, has_lcr = false; + u8 max_meas = 0, *ptr; + u32 i, cmd_len; + struct wmi_tof_session_start_cmd *cmd; + + mutex_lock(&wil->ftm.lock); + if (wil->ftm.session_started) { + wil_err(wil, "FTM session already running\n"); + rc = -EAGAIN; + goto out; + } + /* for now allow measurement to associated AP only */ + if (!test_bit(wil_status_fwconnected, wil->status)) { + wil_err(wil, "must be associated\n"); + rc = -ENOTSUPP; + goto out; + } + + for (i = 0; i < request->n_peers; i++) { + if (request->peers[i].flags & + QCA_WLAN_VENDOR_ATTR_FTM_PEER_MEAS_FLAG_LCI) + has_lci = true; + if (request->peers[i].flags & + QCA_WLAN_VENDOR_ATTR_FTM_PEER_MEAS_FLAG_LCR) + has_lcr = true; + max_meas = max(max_meas, + request->peers[i].params.meas_per_burst); + } + + wil->ftm.ftm_res = kzalloc(sizeof(*wil->ftm.ftm_res) + + max_meas * sizeof(struct wil_ftm_peer_meas) + + (has_lci ? WIL_TOF_FTM_MAX_LCI_LENGTH : 0) + + (has_lcr ? WIL_TOF_FTM_MAX_LCR_LENGTH : 0), GFP_KERNEL); + if (!wil->ftm.ftm_res) { + rc = -ENOMEM; + goto out; + } + ptr = (u8 *)wil->ftm.ftm_res; + ptr += sizeof(struct wil_ftm_peer_meas_res) + + max_meas * sizeof(struct wil_ftm_peer_meas); + if (has_lci) { + wil->ftm.ftm_res->lci = ptr; + ptr += WIL_TOF_FTM_MAX_LCI_LENGTH; + } + if (has_lcr) + wil->ftm.ftm_res->lcr = ptr; + wil->ftm.max_ftm_meas = max_meas; + + cmd_len = sizeof(struct wmi_tof_session_start_cmd) + + request->n_peers * sizeof(struct wmi_ftm_dest_info); + cmd = kzalloc(cmd_len, GFP_KERNEL); + if (!cmd) { + rc = -ENOMEM; + goto out_ftm_res; + } + + cmd->session_id = cpu_to_le32(WIL_FTM_FW_SESSION_ID); + cmd->num_of_dest = cpu_to_le16(request->n_peers); + for (i = 0; i < request->n_peers; i++) { + ether_addr_copy(cmd->ftm_dest_info[i].dst_mac, + request->peers[i].mac_addr); + cmd->ftm_dest_info[i].channel = request->peers[i].channel; + if (request->peers[i].flags & + QCA_WLAN_VENDOR_ATTR_FTM_PEER_MEAS_FLAG_SECURE) { + cmd->ftm_dest_info[i].flags |= + WMI_TOF_SESSION_START_FLAG_SECURED; + cmd->ftm_dest_info[i].initial_token = + request->peers[i].secure_token_id; + } else { + cmd->ftm_dest_info[i].initial_token = + WIL_TOF_FTM_DEFAULT_INITIAL_TOKEN; + } + if (request->peers[i].flags & + QCA_WLAN_VENDOR_ATTR_FTM_PEER_MEAS_FLAG_ASAP) + cmd->ftm_dest_info[i].flags |= + WMI_TOF_SESSION_START_FLAG_ASAP; + if (request->peers[i].flags & + QCA_WLAN_VENDOR_ATTR_FTM_PEER_MEAS_FLAG_LCI) + cmd->ftm_dest_info[i].flags |= + WMI_TOF_SESSION_START_FLAG_LCI_REQ; + if (request->peers[i].flags & + QCA_WLAN_VENDOR_ATTR_FTM_PEER_MEAS_FLAG_LCR) + cmd->ftm_dest_info[i].flags |= + WMI_TOF_SESSION_START_FLAG_LCR_REQ; + cmd->ftm_dest_info[i].num_of_ftm_per_burst = + request->peers[i].params.meas_per_burst; + cmd->ftm_dest_info[i].num_of_bursts_exp = + request->peers[i].params.num_of_bursts_exp; + cmd->ftm_dest_info[i].burst_duration = + request->peers[i].params.burst_duration; + cmd->ftm_dest_info[i].burst_period = + cpu_to_le16(request->peers[i].params.burst_period); + } + + rc = wmi_send(wil, WMI_TOF_SESSION_START_CMDID, cmd, cmd_len); + kfree(cmd); + + if (rc) + goto out_ftm_res; + + wil->ftm.session_cookie = request->session_cookie; + wil->ftm.session_started = 1; + +out_ftm_res: + if (rc) { + kfree(wil->ftm.ftm_res); + wil->ftm.ftm_res = NULL; + } +out: + mutex_unlock(&wil->ftm.lock); + return rc; +} + +static void +wil_ftm_cfg80211_session_ended(struct wil6210_priv *wil, u32 status) +{ + struct sk_buff *vendor_event = NULL; + + mutex_lock(&wil->ftm.lock); + + if (!wil->ftm.session_started) { + wil_dbg_misc(wil, "FTM session not started, ignoring event\n"); + goto out; + } + + /* finish the session */ + wil_dbg_misc(wil, "finishing FTM session\n"); + + /* send left-over results if any */ + wil_ftm_send_peer_res(wil); + + wil->ftm.session_started = 0; + kfree(wil->ftm.ftm_res); + wil->ftm.ftm_res = NULL; + + vendor_event = cfg80211_vendor_event_alloc( + wil_to_wiphy(wil), + wil->wdev, + WIL_FTM_NL_EXTRA_ALLOC, + QCA_NL80211_VENDOR_EVENT_FTM_SESSION_DONE_INDEX, + GFP_KERNEL); + if (!vendor_event) + goto out; + + if (nla_put_u64(vendor_event, + QCA_WLAN_VENDOR_ATTR_FTM_SESSION_COOKIE, + wil->ftm.session_cookie) || + nla_put_u32(vendor_event, + QCA_WLAN_VENDOR_ATTR_LOC_SESSION_STATUS, status)) { + wil_err(wil, "failed to fill session done event\n"); + goto out; + } + cfg80211_vendor_event(vendor_event, GFP_KERNEL); + vendor_event = NULL; +out: + kfree_skb(vendor_event); + mutex_unlock(&wil->ftm.lock); +} + +static void wil_aoa_timer_fn(ulong x) +{ + struct wil6210_priv *wil = (void *)x; + + wil_dbg_misc(wil, "AOA timer\n"); + schedule_work(&wil->ftm.aoa_timeout_work); +} + +static int +wil_aoa_cfg80211_start_measurement(struct wil6210_priv *wil, + struct wil_aoa_meas_request *request) +{ + int rc = 0; + struct cfg80211_bss *bss; + struct wmi_aoa_meas_cmd cmd; + + mutex_lock(&wil->ftm.lock); + + if (wil->ftm.aoa_started) { + wil_err(wil, "AOA measurement already running\n"); + rc = -EAGAIN; + goto out; + } + if (request->type >= QCA_WLAN_VENDOR_ATTR_AOA_TYPE_MAX) { + wil_err(wil, "invalid AOA type: %d\n", request->type); + rc = -EINVAL; + goto out; + } + + bss = cfg80211_get_bss(wil_to_wiphy(wil), NULL, request->mac_addr, + NULL, 0, + IEEE80211_BSS_TYPE_ANY, IEEE80211_PRIVACY_ANY); + if (!bss) { + wil_err(wil, "Unable to find BSS\n"); + rc = -ENOENT; + goto out; + } + + memset(&cmd, 0, sizeof(cmd)); + ether_addr_copy(cmd.mac_addr, request->mac_addr); + cmd.channel = bss->channel->hw_value - 1; + cmd.aoa_meas_type = request->type; + + rc = wmi_send(wil, WMI_AOA_MEAS_CMDID, &cmd, sizeof(cmd)); + if (rc) + goto out_bss; + + ether_addr_copy(wil->ftm.aoa_peer_mac_addr, request->mac_addr); + mod_timer(&wil->ftm.aoa_timer, + jiffies + msecs_to_jiffies(WIL_AOA_MEASUREMENT_TIMEOUT)); + wil->ftm.aoa_started = 1; +out_bss: + cfg80211_put_bss(wil_to_wiphy(wil), bss); +out: + mutex_unlock(&wil->ftm.lock); + return rc; +} + +void wil_aoa_cfg80211_meas_result(struct wil6210_priv *wil, + struct wil_aoa_meas_result *result) +{ + struct sk_buff *vendor_event = NULL; + + mutex_lock(&wil->ftm.lock); + + if (!wil->ftm.aoa_started) { + wil_info(wil, "AOA not started, not sending result\n"); + goto out; + } + + wil_dbg_misc(wil, "sending AOA measurement result\n"); + + vendor_event = cfg80211_vendor_event_alloc( + wil_to_wiphy(wil), + wil->wdev, + result->length + WIL_FTM_NL_EXTRA_ALLOC, + QCA_NL80211_VENDOR_EVENT_AOA_MEAS_RESULT_INDEX, + GFP_KERNEL); + if (!vendor_event) { + wil_err(wil, "fail to allocate measurement result\n"); + goto out; + } + + if (nla_put(vendor_event, QCA_WLAN_VENDOR_ATTR_MAC_ADDR, + ETH_ALEN, result->mac_addr) || + nla_put_u32(vendor_event, QCA_WLAN_VENDOR_ATTR_AOA_TYPE, + result->type) || + nla_put_u32(vendor_event, QCA_WLAN_VENDOR_ATTR_LOC_SESSION_STATUS, + result->status) || + nla_put_u32(vendor_event, + QCA_WLAN_VENDOR_ATTR_LOC_ANTENNA_ARRAY_MASK, + result->antenna_array_mask)) { + wil_err(wil, "failed to fill vendor event\n"); + goto out; + } + + if (result->length > 0 && + nla_put(vendor_event, QCA_WLAN_VENDOR_ATTR_AOA_MEAS_RESULT, + result->length, result->data)) { + wil_err(wil, "failed to fill vendor event with AOA data\n"); + goto out; + } + + cfg80211_vendor_event(vendor_event, GFP_KERNEL); + + del_timer_sync(&wil->ftm.aoa_timer); + wil->ftm.aoa_started = 0; +out: + mutex_unlock(&wil->ftm.lock); +} + +void wil_ftm_evt_session_ended(struct wil6210_priv *wil, + struct wmi_tof_session_end_event *evt) +{ + u32 status; + + switch (evt->status) { + case WMI_TOF_SESSION_END_NO_ERROR: + status = QCA_WLAN_VENDOR_ATTR_LOC_SESSION_STATUS_OK; + break; + case WMI_TOF_SESSION_END_PARAMS_ERROR: + status = QCA_WLAN_VENDOR_ATTR_LOC_SESSION_STATUS_INVALID; + break; + case WMI_TOF_SESSION_END_FAIL: + status = QCA_WLAN_VENDOR_ATTR_LOC_SESSION_STATUS_FAILED; + break; + case WMI_TOF_SESSION_END_ABORTED: + status = QCA_WLAN_VENDOR_ATTR_LOC_SESSION_STATUS_ABORTED; + break; + default: + status = QCA_WLAN_VENDOR_ATTR_LOC_SESSION_STATUS_FAILED; + break; + } + + wil_ftm_cfg80211_session_ended(wil, status); +} + +void wil_ftm_evt_per_dest_res(struct wil6210_priv *wil, + struct wmi_tof_ftm_per_dest_res_event *evt) +{ + u32 i, index; + __le64 tmp = 0; + u8 n_meas; + + mutex_lock(&wil->ftm.lock); + + if (!wil->ftm.session_started || !wil->ftm.ftm_res) { + wil_dbg_misc(wil, "Session not running, ignoring res event\n"); + goto out; + } + if (wil->ftm.has_ftm_res && + !ether_addr_equal(evt->dst_mac, wil->ftm.ftm_res->mac_addr)) { + wil_dbg_misc(wil, + "Results for previous peer not properly terminated\n"); + wil_ftm_send_peer_res(wil); + } + + if (!wil->ftm.has_ftm_res) { + ether_addr_copy(wil->ftm.ftm_res->mac_addr, evt->dst_mac); + wil->ftm.has_ftm_res = 1; + } + + n_meas = evt->actual_ftm_per_burst; + switch (evt->status) { + case WMI_PER_DEST_RES_NO_ERROR: + wil->ftm.ftm_res->status = + QCA_WLAN_VENDOR_ATTR_FTM_PEER_RES_STATUS_OK; + break; + case WMI_PER_DEST_RES_TX_RX_FAIL: + /* FW reports corrupted results here, discard. */ + n_meas = 0; + wil->ftm.ftm_res->status = + QCA_WLAN_VENDOR_ATTR_FTM_PEER_RES_STATUS_OK; + break; + case WMI_PER_DEST_RES_PARAM_DONT_MATCH: + wil->ftm.ftm_res->status = + QCA_WLAN_VENDOR_ATTR_FTM_PEER_RES_STATUS_INVALID; + break; + default: + wil_err(wil, "unexpected status %d\n", evt->status); + wil->ftm.ftm_res->status = + QCA_WLAN_VENDOR_ATTR_FTM_PEER_RES_STATUS_INVALID; + break; + } + + for (i = 0; i < n_meas; i++) { + index = wil->ftm.ftm_res->n_meas; + if (index >= wil->ftm.max_ftm_meas) { + wil_dbg_misc(wil, "Too many measurements, some lost\n"); + break; + } + memcpy(&tmp, evt->responder_ftm_res[i].t1, + sizeof(evt->responder_ftm_res[i].t1)); + wil->ftm.ftm_res->meas[index].t1 = le64_to_cpu(tmp); + memcpy(&tmp, evt->responder_ftm_res[i].t2, + sizeof(evt->responder_ftm_res[i].t2)); + wil->ftm.ftm_res->meas[index].t2 = le64_to_cpu(tmp); + memcpy(&tmp, evt->responder_ftm_res[i].t3, + sizeof(evt->responder_ftm_res[i].t3)); + wil->ftm.ftm_res->meas[index].t3 = le64_to_cpu(tmp); + memcpy(&tmp, evt->responder_ftm_res[i].t4, + sizeof(evt->responder_ftm_res[i].t4)); + wil->ftm.ftm_res->meas[index].t4 = le64_to_cpu(tmp); + wil->ftm.ftm_res->n_meas++; + } + + if (evt->flags & WMI_PER_DEST_RES_BURST_REPORT_END) + wil_ftm_send_peer_res(wil); +out: + mutex_unlock(&wil->ftm.lock); +} + +void wil_aoa_evt_meas(struct wil6210_priv *wil, + struct wmi_aoa_meas_event *evt, + int len) +{ + int data_len = len - offsetof(struct wmi_aoa_meas_event, meas_data); + struct wil_aoa_meas_result *res; + + data_len = min_t(int, le16_to_cpu(evt->length), data_len); + + res = kmalloc(sizeof(*res) + data_len, GFP_KERNEL); + if (!res) + return; + + ether_addr_copy(res->mac_addr, evt->mac_addr); + res->type = evt->aoa_meas_type; + res->antenna_array_mask = le32_to_cpu(evt->meas_rf_mask); + res->status = evt->meas_status; + res->length = data_len; + memcpy(res->data, evt->meas_data, data_len); + + wil_dbg_misc(wil, "AOA result status %d type %d mask %d length %d\n", + res->status, res->type, + res->antenna_array_mask, res->length); + + wil_aoa_cfg80211_meas_result(wil, res); + kfree(res); +} + +int wil_ftm_get_capabilities(struct wiphy *wiphy, struct wireless_dev *wdev, + const void *data, int data_len) +{ + struct wil6210_priv *wil = wiphy_to_wil(wiphy); + struct sk_buff *skb; + struct nlattr *attr; + + if (!test_bit(WMI_FW_CAPABILITY_FTM, wil->fw_capabilities)) + return -ENOTSUPP; + + /* we should get the capabilities from the FW. for now, + * report dummy capabilities for one shot measurement + */ + skb = cfg80211_vendor_cmd_alloc_reply_skb(wiphy, 128); + if (!skb) + return -ENOMEM; + attr = nla_nest_start(skb, QCA_WLAN_VENDOR_ATTR_LOC_CAPA); + if (!attr || + nla_put_u32(skb, QCA_WLAN_VENDOR_ATTR_LOC_CAPA_FLAGS, + QCA_WLAN_VENDOR_ATTR_LOC_CAPA_FLAG_FTM_RESPONDER | + QCA_WLAN_VENDOR_ATTR_LOC_CAPA_FLAG_FTM_INITIATOR | + QCA_WLAN_VENDOR_ATTR_LOC_CAPA_FLAG_ASAP | + QCA_WLAN_VENDOR_ATTR_LOC_CAPA_FLAG_AOA) || + nla_put_u16(skb, QCA_WLAN_VENDOR_ATTR_FTM_CAPA_MAX_NUM_SESSIONS, + 1) || + nla_put_u16(skb, QCA_WLAN_VENDOR_ATTR_FTM_CAPA_MAX_NUM_PEERS, 1) || + nla_put_u8(skb, QCA_WLAN_VENDOR_ATTR_FTM_CAPA_MAX_NUM_BURSTS_EXP, + 0) || + nla_put_u8(skb, QCA_WLAN_VENDOR_ATTR_FTM_CAPA_MAX_MEAS_PER_BURST, + 4) || + nla_put_u32(skb, QCA_WLAN_VENDOR_ATTR_AOA_CAPA_SUPPORTED_TYPES, + BIT(QCA_WLAN_VENDOR_ATTR_AOA_TYPE_TOP_CIR_PHASE))) { + wil_err(wil, "fail to fill get_capabilities reply\n"); + kfree_skb(skb); + return -ENOMEM; + } + nla_nest_end(skb, attr); + + return cfg80211_vendor_cmd_reply(skb); +} + +int wil_ftm_start_session(struct wiphy *wiphy, struct wireless_dev *wdev, + const void *data, int data_len) +{ + struct wil6210_priv *wil = wiphy_to_wil(wiphy); + struct wil_ftm_session_request *request; + struct nlattr *tb[QCA_WLAN_VENDOR_ATTR_LOC_MAX + 1]; + struct nlattr *tb2[QCA_WLAN_VENDOR_ATTR_FTM_PEER_MAX + 1]; + struct nlattr *peer; + int rc, n_peers = 0, index = 0, tmp; + struct cfg80211_bss *bss; + + if (!test_bit(WMI_FW_CAPABILITY_FTM, wil->fw_capabilities)) + return -ENOTSUPP; + + rc = nla_parse(tb, QCA_WLAN_VENDOR_ATTR_LOC_MAX, data, data_len, + wil_nl80211_loc_policy); + if (rc) { + wil_err(wil, "Invalid ATTR\n"); + return rc; + } + + if (!tb[QCA_WLAN_VENDOR_ATTR_FTM_MEAS_PEERS]) { + wil_err(wil, "no peers specified\n"); + return -EINVAL; + } + + if (!tb[QCA_WLAN_VENDOR_ATTR_FTM_SESSION_COOKIE]) { + wil_err(wil, "session cookie not specified\n"); + return -EINVAL; + } + + nla_for_each_nested(peer, tb[QCA_WLAN_VENDOR_ATTR_FTM_MEAS_PEERS], + tmp) + n_peers++; + + if (!n_peers) { + wil_err(wil, "empty peer list\n"); + return -EINVAL; + } + + /* for now only allow measurement for a single peer */ + if (n_peers != 1) { + wil_err(wil, "only single peer allowed\n"); + return -EINVAL; + } + + request = kzalloc(sizeof(*request) + + n_peers * sizeof(struct wil_ftm_meas_peer_info), + GFP_KERNEL); + if (!request) + return -ENOMEM; + + request->session_cookie = + nla_get_u64(tb[QCA_WLAN_VENDOR_ATTR_FTM_SESSION_COOKIE]); + request->n_peers = n_peers; + nla_for_each_nested(peer, tb[QCA_WLAN_VENDOR_ATTR_FTM_MEAS_PEERS], + tmp) { + rc = nla_parse_nested(tb2, QCA_WLAN_VENDOR_ATTR_FTM_PEER_MAX, + peer, wil_nl80211_ftm_peer_policy); + if (rc) { + wil_err(wil, "Invalid peer ATTR\n"); + goto out; + } + if (!tb2[QCA_WLAN_VENDOR_ATTR_FTM_PEER_MAC_ADDR] || + nla_len(tb2[QCA_WLAN_VENDOR_ATTR_FTM_PEER_MAC_ADDR]) + != ETH_ALEN) { + wil_err(wil, "Peer MAC address missing or invalid\n"); + rc = -EINVAL; + goto out; + } + memcpy(request->peers[index].mac_addr, + nla_data(tb2[QCA_WLAN_VENDOR_ATTR_FTM_PEER_MAC_ADDR]), + ETH_ALEN); + bss = cfg80211_get_bss(wiphy, NULL, + request->peers[index].mac_addr, NULL, 0, + IEEE80211_BSS_TYPE_ANY, + IEEE80211_PRIVACY_ANY); + if (!bss) { + wil_err(wil, "invalid bss at index %d\n", index); + rc = -ENOENT; + goto out; + } + request->peers[index].channel = bss->channel->hw_value - 1; + cfg80211_put_bss(wiphy, bss); + if (tb2[QCA_WLAN_VENDOR_ATTR_FTM_PEER_MEAS_FLAGS]) + request->peers[index].flags = nla_get_u32( + tb2[QCA_WLAN_VENDOR_ATTR_FTM_PEER_MEAS_FLAGS]); + if (tb2[QCA_WLAN_VENDOR_ATTR_FTM_PEER_SECURE_TOKEN_ID]) + request->peers[index].secure_token_id = nla_get_u8( + tb2[QCA_WLAN_VENDOR_ATTR_FTM_PEER_SECURE_TOKEN_ID]); + rc = wil_ftm_parse_meas_params( + wil, + tb2[QCA_WLAN_VENDOR_ATTR_FTM_PEER_MEAS_PARAMS], + &request->peers[index].params); + if (!rc) + rc = wil_ftm_validate_meas_params( + wil, &request->peers[index].params); + if (rc) + goto out; + index++; + } + + rc = wil_ftm_cfg80211_start_session(wil, request); +out: + kfree(request); + return rc; +} + +int wil_ftm_abort_session(struct wiphy *wiphy, struct wireless_dev *wdev, + const void *data, int data_len) +{ + struct wil6210_priv *wil = wiphy_to_wil(wiphy); + + wil_dbg_misc(wil, "stub\n"); + return -ENOTSUPP; +} + +int wil_ftm_configure_responder(struct wiphy *wiphy, struct wireless_dev *wdev, + const void *data, int data_len) +{ + struct wil6210_priv *wil = wiphy_to_wil(wiphy); + + wil_dbg_misc(wil, "stub\n"); + return -ENOTSUPP; +} + +int wil_aoa_start_measurement(struct wiphy *wiphy, struct wireless_dev *wdev, + const void *data, int data_len) +{ + struct wil6210_priv *wil = wiphy_to_wil(wiphy); + struct wil_aoa_meas_request request; + struct nlattr *tb[QCA_WLAN_VENDOR_ATTR_LOC_MAX + 1]; + int rc; + + if (!test_bit(WMI_FW_CAPABILITY_FTM, wil->fw_capabilities)) + return -ENOTSUPP; + + wil_dbg_misc(wil, "AOA start measurement\n"); + + rc = nla_parse(tb, QCA_WLAN_VENDOR_ATTR_LOC_MAX, data, data_len, + wil_nl80211_loc_policy); + if (rc) { + wil_err(wil, "Invalid ATTR\n"); + return rc; + } + + if (!tb[QCA_WLAN_VENDOR_ATTR_MAC_ADDR] || + !tb[QCA_WLAN_VENDOR_ATTR_AOA_TYPE]) { + wil_err(wil, "Must specify MAC address and type\n"); + return -EINVAL; + } + + memset(&request, 0, sizeof(request)); + ether_addr_copy(request.mac_addr, + nla_data(tb[QCA_WLAN_VENDOR_ATTR_MAC_ADDR])); + request.type = nla_get_u32(tb[QCA_WLAN_VENDOR_ATTR_AOA_TYPE]); + + rc = wil_aoa_cfg80211_start_measurement(wil, &request); + return rc; +} + +int wil_aoa_abort_measurement(struct wiphy *wiphy, struct wireless_dev *wdev, + const void *data, int data_len) +{ + struct wil6210_priv *wil = wiphy_to_wil(wiphy); + + wil_dbg_misc(wil, "stub\n"); + return -ENOTSUPP; +} + +void wil_ftm_init(struct wil6210_priv *wil) +{ + mutex_init(&wil->ftm.lock); + setup_timer(&wil->ftm.aoa_timer, wil_aoa_timer_fn, (ulong)wil); + INIT_WORK(&wil->ftm.aoa_timeout_work, wil_aoa_measurement_timeout); +} + +void wil_ftm_deinit(struct wil6210_priv *wil) +{ + del_timer_sync(&wil->ftm.aoa_timer); + cancel_work_sync(&wil->ftm.aoa_timeout_work); + kfree(wil->ftm.ftm_res); +} + +void wil_ftm_stop_operations(struct wil6210_priv *wil) +{ + wil_ftm_cfg80211_session_ended( + wil, QCA_WLAN_VENDOR_ATTR_LOC_SESSION_STATUS_ABORTED); +} diff --git a/drivers/net/wireless/ath/wil6210/ftm.h b/drivers/net/wireless/ath/wil6210/ftm.h new file mode 100644 index 000000000000..9721344579aa --- /dev/null +++ b/drivers/net/wireless/ath/wil6210/ftm.h @@ -0,0 +1,512 @@ +/* + * Copyright (c) 2016, The Linux Foundation. All rights reserved. + * + * Permission to use, copy, modify, and/or distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + +#ifndef __WIL6210_FTM_H__ +#define __WIL6210_FTM_H__ + +/** + * NOTE: The authoritative place for definition of QCA_NL80211_VENDOR_ID, + * vendor subcmd definitions prefixed with QCA_NL80211_VENDOR_SUBCMD, and + * qca_wlan_vendor_attr is open source file src/common/qca-vendor.h in + * git://w1.fi/srv/git/hostap.git; the values here are just a copy of that + */ + +/** + * enum qca_vendor_attr_loc - attributes for FTM and AOA commands + * + * @QCA_WLAN_VENDOR_ATTR_FTM_SESSION_COOKIE: Session cookie, specified in + * %QCA_NL80211_VENDOR_SUBCMD_FTM_START_SESSION. It will be provided by driver + * events and can be used to identify events targeted for this session. + * @QCA_WLAN_VENDOR_ATTR_LOC_CAPA: Nested attribute containing extra + * FTM/AOA capabilities, returned by %QCA_NL80211_VENDOR_SUBCMD_LOC_GET_CAPA. + * see %enum qca_wlan_vendor_attr_loc_capa. + * @QCA_WLAN_VENDOR_ATTR_FTM_MEAS_PEERS: array of nested attributes + * containing information about each peer in measurement session + * request. See %enum qca_wlan_vendor_attr_peer_info for supported + * attributes for each peer + * @QCA_WLAN_VENDOR_ATTR_FTM_PEER_RESULTS: nested attribute containing + * measurement results for a peer. reported by the + * %QCA_NL80211_VENDOR_SUBCMD_FTM_MEAS_RESULT event. + * See %enum qca_wlan_vendor_attr_peer_result for list of supported + * attributes. + * @QCA_WLAN_VENDOR_ATTR_FTM_RESPONDER_ENABLE: flag attribute for + * enabling or disabling responder functionality. + * @QCA_WLAN_VENDOR_ATTR_FTM_LCI: used in the + * %QCA_NL80211_VENDOR_SUBCMD_FTM_CFG_RESPONDER command in order to + * specify the LCI report that will be sent by the responder during + * a measurement exchange. The format is defined in IEEE P802.11-REVmc/D5.0, + * 9.4.2.22.10 + * @QCA_WLAN_VENDOR_ATTR_FTM_LCR: provided with the + * %QCA_NL80211_VENDOR_SUBCMD_FTM_CFG_RESPONDER command in order to + * specify the location civic report that will be sent by the responder during + * a measurement exchange. The format is defined in IEEE P802.11-REVmc/D5.0, + * 9.4.2.22.13 + * @QCA_WLAN_VENDOR_ATTR_LOC_SESSION_STATUS: session/measurement completion + * status code, reported in %QCA_NL80211_VENDOR_SUBCMD_FTM_SESSION_DONE + * and %QCA_NL80211_VENDOR_SUBCMD_AOA_MEAS_RESULT + * @QCA_WLAN_VENDOR_ATTR_FTM_INITIAL_TOKEN: initial dialog token used + * by responder (0 if not specified) + * @QCA_WLAN_VENDOR_ATTR_AOA_TYPE: AOA measurement type. Requested in + * %QCA_NL80211_VENDOR_SUBCMD_AOA_MEAS and optionally in + * %QCA_NL80211_VENDOR_SUBCMD_FTM_START_SESSION if AOA measurements + * are needed as part of an FTM session. + * Reported by QCA_NL80211_VENDOR_SUBCMD_AOA_MEAS_RESULT. + * See enum qca_wlan_vendor_attr_aoa_type. + * @QCA_WLAN_VENDOR_ATTR_LOC_ANTENNA_ARRAY_MASK: bit mask indicating + * which antenna arrays were used in location measurement. + * Reported in %QCA_NL80211_VENDOR_SUBCMD_FTM_MEAS_RESULT and + * %QCA_NL80211_VENDOR_SUBCMD_AOA_MEAS_RESULT + * @QCA_WLAN_VENDOR_ATTR_AOA_MEAS_RESULT: AOA measurement data. + * Its contents depends on the AOA type and antenna array mask: + * %QCA_WLAN_VENDOR_ATTR_AOA_TYPE_TOP_CIR_PHASE: array of U16 values, + * phase of the strongest CIR path for each antenna in the measured + * array(s). + * %QCA_WLAN_VENDOR_ATTR_AOA_TYPE_TOP_CIR_PHASE_AMP: array of 2 U16 + * values, phase and amplitude of the strongest CIR path for each + * antenna in the measured array(s) + */ +enum qca_wlan_vendor_attr_loc { + /* we reuse these attributes */ + QCA_WLAN_VENDOR_ATTR_MAC_ADDR = 6, + QCA_WLAN_VENDOR_ATTR_PAD = 13, + QCA_WLAN_VENDOR_ATTR_FTM_SESSION_COOKIE = 14, + QCA_WLAN_VENDOR_ATTR_LOC_CAPA = 15, + QCA_WLAN_VENDOR_ATTR_FTM_MEAS_PEERS = 16, + QCA_WLAN_VENDOR_ATTR_FTM_MEAS_PEER_RESULTS = 17, + QCA_WLAN_VENDOR_ATTR_FTM_RESPONDER_ENABLE = 18, + QCA_WLAN_VENDOR_ATTR_FTM_LCI = 19, + QCA_WLAN_VENDOR_ATTR_FTM_LCR = 20, + QCA_WLAN_VENDOR_ATTR_LOC_SESSION_STATUS = 21, + QCA_WLAN_VENDOR_ATTR_FTM_INITIAL_TOKEN = 22, + QCA_WLAN_VENDOR_ATTR_AOA_TYPE = 23, + QCA_WLAN_VENDOR_ATTR_LOC_ANTENNA_ARRAY_MASK = 24, + QCA_WLAN_VENDOR_ATTR_AOA_MEAS_RESULT = 25, + /* keep last */ + QCA_WLAN_VENDOR_ATTR_LOC_AFTER_LAST, + QCA_WLAN_VENDOR_ATTR_LOC_MAX = QCA_WLAN_VENDOR_ATTR_LOC_AFTER_LAST - 1, +}; + +/** + * enum qca_wlan_vendor_attr_loc_capa - indoor location capabilities + * + * @QCA_WLAN_VENDOR_ATTR_LOC_CAPA_FLAGS: various flags. See + * %enum qca_wlan_vendor_attr_loc_capa_flags + * @QCA_WLAN_VENDOR_ATTR_FTM_CAPA_MAX_NUM_SESSIONS: Maximum number + * of measurement sessions that can run concurrently. + * Default is one session (no session concurrency) + * @QCA_WLAN_VENDOR_ATTR_FTM_CAPA_MAX_NUM_PEERS: The total number of unique + * peers that are supported in running sessions. For example, + * if the value is 8 and maximum number of sessions is 2, you can + * have one session with 8 unique peers, or 2 sessions with 4 unique + * peers each, and so on. + * @QCA_WLAN_VENDOR_ATTR_FTM_CAPA_MAX_NUM_BURSTS_EXP: Maximum number + * of bursts per peer, as an exponent (2^value). Default is 0, + * meaning no multi-burst support. + * @QCA_WLAN_VENDOR_ATTR_FTM_CAPA_MAX_MEAS_PER_BURST: Maximum number + * of measurement exchanges allowed in a single burst + * @QCA_WLAN_VENDOR_ATTR_AOA_CAPA_SUPPORTED_TYPES: Supported AOA measurement + * types. A bit mask (unsigned 32 bit value), each bit corresponds + * to an AOA type as defined by %enum qca_vendor_attr_aoa_type. + */ +enum qca_wlan_vendor_attr_loc_capa { + QCA_WLAN_VENDOR_ATTR_LOC_CAPA_INVALID, + QCA_WLAN_VENDOR_ATTR_LOC_CAPA_FLAGS, + QCA_WLAN_VENDOR_ATTR_FTM_CAPA_MAX_NUM_SESSIONS, + QCA_WLAN_VENDOR_ATTR_FTM_CAPA_MAX_NUM_PEERS, + QCA_WLAN_VENDOR_ATTR_FTM_CAPA_MAX_NUM_BURSTS_EXP, + QCA_WLAN_VENDOR_ATTR_FTM_CAPA_MAX_MEAS_PER_BURST, + QCA_WLAN_VENDOR_ATTR_AOA_CAPA_SUPPORTED_TYPES, + /* keep last */ + QCA_WLAN_VENDOR_ATTR_LOC_CAPA_AFTER_LAST, + QCA_WLAN_VENDOR_ATTR_LOC_CAPA_MAX = + QCA_WLAN_VENDOR_ATTR_LOC_CAPA_AFTER_LAST - 1, +}; + +/** + * enum qca_wlan_vendor_attr_loc_capa_flags: Indoor location capability flags + * + * @QCA_WLAN_VENDOR_ATTR_LOC_CAPA_FLAG_FTM_RESPONDER: Set if driver + * can be configured as an FTM responder (for example, an AP that + * services FTM requests). %QCA_NL80211_VENDOR_SUBCMD_FTM_CFG_RESPONDER + * will be supported if set. + * @QCA_WLAN_VENDOR_ATTR_LOC_CAPA_FLAG_FTM_INITIATOR: Set if driver + * can run FTM sessions. %QCA_NL80211_VENDOR_SUBCMD_FTM_START_SESSION + * will be supported if set. + * @QCA_WLAN_VENDOR_ATTR_LOC_CAPA_FLAG_ASAP: Set if FTM responder + * supports immediate (ASAP) response. + * @QCA_WLAN_VENDOR_ATTR_LOC_CAPA_FLAG_AOA: Set if driver supports standalone + * AOA measurement using %QCA_NL80211_VENDOR_SUBCMD_AOA_MEAS + * @QCA_WLAN_VENDOR_ATTR_LOC_CAPA_FLAG_AOA_IN_FTM: Set if driver supports + * requesting AOA measurements as part of an FTM session. + */ +enum qca_wlan_vendor_attr_loc_capa_flags { + QCA_WLAN_VENDOR_ATTR_LOC_CAPA_FLAG_FTM_RESPONDER = 1 << 0, + QCA_WLAN_VENDOR_ATTR_LOC_CAPA_FLAG_FTM_INITIATOR = 1 << 1, + QCA_WLAN_VENDOR_ATTR_LOC_CAPA_FLAG_ASAP = 1 << 2, + QCA_WLAN_VENDOR_ATTR_LOC_CAPA_FLAG_AOA = 1 << 3, + QCA_WLAN_VENDOR_ATTR_LOC_CAPA_FLAG_AOA_IN_FTM = 1 << 4, +}; + +/** + * enum qca_wlan_vendor_attr_peer_info: information about + * a single peer in a measurement session. + * + * @QCA_WLAN_VENDOR_ATTR_FTM_PEER_MAC_ADDR: The MAC address of the peer. + * @QCA_WLAN_VENDOR_ATTR_FTM_PEER_MEAS_FLAGS: Various flags related + * to measurement. See %enum qca_wlan_vendor_attr_ftm_peer_meas_flags. + * @QCA_WLAN_VENDOR_ATTR_FTM_PEER_MEAS_PARAMS: Nested attribute of + * FTM measurement parameters, as specified by IEEE P802.11-REVmc/D7.0, + * 9.4.2.167. See %enum qca_wlan_vendor_attr_ftm_meas_param for + * list of supported attributes. + * @QCA_WLAN_VENDOR_ATTR_FTM_PEER_SECURE_TOKEN_ID: Initial token ID for + * secure measurement + * @QCA_WLAN_VENDOR_ATTR_FTM_PEER_AOA_BURST_PERIOD: Request AOA + * measurement every _value_ bursts. If 0 or not specified, + * AOA measurements will be disabled for this peer. + */ +enum qca_wlan_vendor_attr_ftm_peer_info { + QCA_WLAN_VENDOR_ATTR_FTM_PEER_INVALID, + QCA_WLAN_VENDOR_ATTR_FTM_PEER_MAC_ADDR, + QCA_WLAN_VENDOR_ATTR_FTM_PEER_MEAS_FLAGS, + QCA_WLAN_VENDOR_ATTR_FTM_PEER_MEAS_PARAMS, + QCA_WLAN_VENDOR_ATTR_FTM_PEER_SECURE_TOKEN_ID, + QCA_WLAN_VENDOR_ATTR_FTM_PEER_AOA_BURST_PERIOD, + /* keep last */ + QCA_WLAN_VENDOR_ATTR_FTM_PEER_AFTER_LAST, + QCA_WLAN_VENDOR_ATTR_FTM_PEER_MAX = + QCA_WLAN_VENDOR_ATTR_FTM_PEER_AFTER_LAST - 1, +}; + +/** + * enum qca_wlan_vendor_attr_ftm_peer_meas_flags: Measurement request flags, + * per-peer + * @QCA_WLAN_VENDOR_ATTR_FTM_PEER_MEAS_FLAG_ASAP: If set, request + * immediate (ASAP) response from peer + * @QCA_WLAN_VENDOR_ATTR_FTM_PEER_MEAS_FLAG_LCI: If set, request + * LCI report from peer. The LCI report includes the absolute + * location of the peer in "official" coordinates (similar to GPS). + * See IEEE P802.11-REVmc/D7.0, 11.24.6.7 for more information. + * @QCA_WLAN_VENDOR_ATTR_FTM_PEER_MEAS_FLAG_LCR: If set, request + * Location civic report from peer. The LCR includes the location + * of the peer in free-form format. See IEEE P802.11-REVmc/D7.0, + * 11.24.6.7 for more information. + * @QCA_WLAN_VENDOR_ATTR_FTM_PEER_MEAS_FLAG_SECURE: If set, + * request a secure measurement. + * %QCA_WLAN_VENDOR_ATTR_FTM_PEER_SECURE_TOKEN_ID must also be provided. + */ +enum qca_wlan_vendor_attr_ftm_peer_meas_flags { + QCA_WLAN_VENDOR_ATTR_FTM_PEER_MEAS_FLAG_ASAP = 1 << 0, + QCA_WLAN_VENDOR_ATTR_FTM_PEER_MEAS_FLAG_LCI = 1 << 1, + QCA_WLAN_VENDOR_ATTR_FTM_PEER_MEAS_FLAG_LCR = 1 << 2, + QCA_WLAN_VENDOR_ATTR_FTM_PEER_MEAS_FLAG_SECURE = 1 << 3, +}; + +/** + * enum qca_wlan_vendor_attr_ftm_meas_param: Measurement parameters + * + * @QCA_WLAN_VENDOR_ATTR_FTM_PARAM_MEAS_PER_BURST: Number of measurements + * to perform in a single burst. + * @QCA_WLAN_VENDOR_ATTR_FTM_PARAM_NUM_BURSTS_EXP: Number of bursts to + * perform, specified as an exponent (2^value) + * @QCA_WLAN_VENDOR_ATTR_FTM_PARAM_BURST_DURATION: Duration of burst + * instance, as specified in IEEE P802.11-REVmc/D7.0, 9.4.2.167 + * @QCA_WLAN_VENDOR_ATTR_FTM_PARAM_BURST_PERIOD: Time between bursts, + * as specified in IEEE P802.11-REVmc/D7.0, 9.4.2.167. Must + * be larger than %QCA_WLAN_VENDOR_ATTR_FTM_PARAM_BURST_DURATION + */ +enum qca_wlan_vendor_attr_ftm_meas_param { + QCA_WLAN_VENDOR_ATTR_FTM_PARAM_INVALID, + QCA_WLAN_VENDOR_ATTR_FTM_PARAM_MEAS_PER_BURST, + QCA_WLAN_VENDOR_ATTR_FTM_PARAM_NUM_BURSTS_EXP, + QCA_WLAN_VENDOR_ATTR_FTM_PARAM_BURST_DURATION, + QCA_WLAN_VENDOR_ATTR_FTM_PARAM_BURST_PERIOD, + /* keep last */ + QCA_WLAN_VENDOR_ATTR_FTM_PARAM_AFTER_LAST, + QCA_WLAN_VENDOR_ATTR_FTM_PARAM_MAX = + QCA_WLAN_VENDOR_ATTR_FTM_PARAM_AFTER_LAST - 1, +}; + +/** + * enum qca_wlan_vendor_attr_ftm_peer_result: Per-peer results + * + * @QCA_WLAN_VENDOR_ATTR_FTM_PEER_RES_MAC_ADDR: MAC address of the reported + * peer + * @QCA_WLAN_VENDOR_ATTR_FTM_PEER_RES_STATUS: Status of measurement + * request for this peer. + * See %enum qca_wlan_vendor_attr_ftm_peer_result_status + * @QCA_WLAN_VENDOR_ATTR_FTM_PEER_RES_FLAGS: Various flags related + * to measurement results for this peer. + * See %enum qca_wlan_vendor_attr_ftm_peer_result_flags + * @QCA_WLAN_VENDOR_ATTR_FTM_PEER_RES_VALUE_SECONDS: Specified when + * request failed and peer requested not to send an additional request + * for this number of seconds. + * @QCA_WLAN_VENDOR_ATTR_FTM_PEER_RES_LCI: LCI report when received + * from peer. In the format specified by IEEE P802.11-REVmc/D7.0, + * 9.4.2.22.10 + * @QCA_WLAN_VENDOR_ATTR_FTM_PEER_RES_LCR: Location civic report when + * received from peer.In the format specified by IEEE P802.11-REVmc/D7.0, + * 9.4.2.22.13 + * @QCA_WLAN_VENDOR_ATTR_FTM_PEER_RES_MEAS_PARAMS: Reported when peer + * overridden some measurement request parameters. See + * enum qca_wlan_vendor_attr_ftm_meas_param. + * @QCA_WLAN_VENDOR_ATTR_FTM_PEER_RES_AOA_MEAS: AOA measurement + * for this peer. Same contents as %QCA_WLAN_VENDOR_ATTR_AOA_MEAS_RESULT + * @QCA_WLAN_VENDOR_ATTR_FTM_PEER_RES_MEAS: Array of measurement + * results. Each entry is a nested attribute defined + * by enum qca_wlan_vendor_attr_ftm_meas. + */ +enum qca_wlan_vendor_attr_ftm_peer_result { + QCA_WLAN_VENDOR_ATTR_FTM_PEER_RES_INVALID, + QCA_WLAN_VENDOR_ATTR_FTM_PEER_RES_MAC_ADDR, + QCA_WLAN_VENDOR_ATTR_FTM_PEER_RES_STATUS, + QCA_WLAN_VENDOR_ATTR_FTM_PEER_RES_FLAGS, + QCA_WLAN_VENDOR_ATTR_FTM_PEER_RES_VALUE_SECONDS, + QCA_WLAN_VENDOR_ATTR_FTM_PEER_RES_LCI, + QCA_WLAN_VENDOR_ATTR_FTM_PEER_RES_LCR, + QCA_WLAN_VENDOR_ATTR_FTM_PEER_RES_MEAS_PARAMS, + QCA_WLAN_VENDOR_ATTR_FTM_PEER_RES_AOA_MEAS, + QCA_WLAN_VENDOR_ATTR_FTM_PEER_RES_MEAS, + /* keep last */ + QCA_WLAN_VENDOR_ATTR_FTM_PEER_RES_AFTER_LAST, + QCA_WLAN_VENDOR_ATTR_FTM_PEER_RES_MAX = + QCA_WLAN_VENDOR_ATTR_FTM_PEER_RES_AFTER_LAST - 1, +}; + +/** + * enum qca_wlan_vendor_attr_ftm_peer_result_status + * + * @QCA_WLAN_VENDOR_ATTR_FTM_PEER_RES_STATUS_OK: Request sent ok and results + * will be provided. Peer may have overridden some measurement parameters, + * in which case overridden parameters will be report by + * %QCA_WLAN_VENDOR_ATTR_FTM_PEER_RES_MEAS_PARAMS attribute + * @QCA_WLAN_VENDOR_ATTR_FTM_PEER_RES_STATUS_INCAPABLE: Peer is incapable + * of performing the measurement request. No more results will be sent + * for this peer in this session. + * @QCA_WLAN_VENDOR_ATTR_FTM_PEER_RES_STATUS_FAILED: Peer reported request + * failed, and requested not to send an additional request for number + * of seconds specified by %QCA_WLAN_VENDOR_ATTR_FTM_PEER_RES_VALUE_SECONDS + * attribute. + * @QCA_WLAN_VENDOR_ATTR_FTM_PEER_RES_STATUS_INVALID: Request validation + * failed. Request was not sent over the air. + */ +enum qca_wlan_vendor_attr_ftm_peer_result_status { + QCA_WLAN_VENDOR_ATTR_FTM_PEER_RES_STATUS_OK, + QCA_WLAN_VENDOR_ATTR_FTM_PEER_RES_STATUS_INCAPABLE, + QCA_WLAN_VENDOR_ATTR_FTM_PEER_RES_STATUS_FAILED, + QCA_WLAN_VENDOR_ATTR_FTM_PEER_RES_STATUS_INVALID, +}; + +/** + * enum qca_wlan_vendor_attr_ftm_peer_result_flags : Various flags + * for measurement result, per-peer + * + * @QCA_WLAN_VENDOR_ATTR_FTM_PEER_RES_FLAG_DONE: If set, + * measurement completed for this peer. No more results will be reported + * for this peer in this session. + */ +enum qca_wlan_vendor_attr_ftm_peer_result_flags { + QCA_WLAN_VENDOR_ATTR_FTM_PEER_RES_FLAG_DONE = 1 << 0, +}; + +/** + * enum qca_vendor_attr_loc_session_status: Session completion status code + * + * @QCA_WLAN_VENDOR_ATTR_LOC_SESSION_STATUS_OK: Session completed + * successfully. + * @QCA_WLAN_VENDOR_ATTR_LOC_SESSION_STATUS_ABORTED: Session aborted + * by request + * @QCA_WLAN_VENDOR_ATTR_LOC_SESSION_STATUS_INVALID: Session request + * was invalid and was not started + * @QCA_WLAN_VENDOR_ATTR_LOC_SESSION_STATUS_FAILED: Session had an error + * and did not complete normally (for example out of resources) + * + */ +enum qca_vendor_attr_loc_session_status { + QCA_WLAN_VENDOR_ATTR_LOC_SESSION_STATUS_OK, + QCA_WLAN_VENDOR_ATTR_LOC_SESSION_STATUS_ABORTED, + QCA_WLAN_VENDOR_ATTR_LOC_SESSION_STATUS_INVALID, + QCA_WLAN_VENDOR_ATTR_LOC_SESSION_STATUS_FAILED, +}; + +/** + * enum qca_wlan_vendor_attr_ftm_meas: Single measurement data + * + * @QCA_WLAN_VENDOR_ATTR_FTM_MEAS_T1: Time of departure(TOD) of FTM packet as + * recorded by responder, in picoseconds. + * See IEEE P802.11-REVmc/D7.0, 11.24.6.4 for more information. + * @QCA_WLAN_VENDOR_ATTR_FTM_MEAS_T2: Time of arrival(TOA) of FTM packet at + * initiator, in picoseconds. + * See IEEE P802.11-REVmc/D7.0, 11.24.6.4 for more information. + * @QCA_WLAN_VENDOR_ATTR_FTM_MEAS_T3: TOD of ACK packet as recorded by + * initiator, in picoseconds. + * See IEEE P802.11-REVmc/D7.0, 11.24.6.4 for more information. + * @QCA_WLAN_VENDOR_ATTR_FTM_MEAS_T4: TOA of ACK packet at + * responder, in picoseconds. + * See IEEE P802.11-REVmc/D7.0, 11.24.6.4 for more information. + * @QCA_WLAN_VENDOR_ATTR_FTM_MEAS_RSSI: RSSI (signal level) as recorded + * during this measurement exchange. Optional and will be provided if + * the hardware can measure it. + * @QCA_WLAN_VENDOR_ATTR_FTM_MEAS_TOD_ERR: TOD error reported by + * responder. Not always provided. + * See IEEE P802.11-REVmc/D7.0, 9.6.8.33 for more information. + * @QCA_WLAN_VENDOR_ATTR_FTM_MEAS_TOA_ERR: TOA error reported by + * responder. Not always provided. + * See IEEE P802.11-REVmc/D7.0, 9.6.8.33 for more information. + * @QCA_WLAN_VENDOR_ATTR_FTM_MEAS_INITIATOR_TOD_ERR: TOD error measured by + * initiator. Not always provided. + * See IEEE P802.11-REVmc/D7.0, 9.6.8.33 for more information. + * @QCA_WLAN_VENDOR_ATTR_FTM_MEAS_INITIATOR_TOA_ERR: TOA error measured by + * initiator. Not always provided. + * See IEEE P802.11-REVmc/D7.0, 9.6.8.33 for more information. + * @QCA_WLAN_VENDOR_ATTR_FTM_MEAS_PAD: Dummy attribute for padding. + */ +enum qca_wlan_vendor_attr_ftm_meas { + QCA_WLAN_VENDOR_ATTR_FTM_MEAS_INVALID, + QCA_WLAN_VENDOR_ATTR_FTM_MEAS_T1, + QCA_WLAN_VENDOR_ATTR_FTM_MEAS_T2, + QCA_WLAN_VENDOR_ATTR_FTM_MEAS_T3, + QCA_WLAN_VENDOR_ATTR_FTM_MEAS_T4, + QCA_WLAN_VENDOR_ATTR_FTM_MEAS_RSSI, + QCA_WLAN_VENDOR_ATTR_FTM_MEAS_TOD_ERR, + QCA_WLAN_VENDOR_ATTR_FTM_MEAS_TOA_ERR, + QCA_WLAN_VENDOR_ATTR_FTM_MEAS_INITIATOR_TOD_ERR, + QCA_WLAN_VENDOR_ATTR_FTM_MEAS_INITIATOR_TOA_ERR, + QCA_WLAN_VENDOR_ATTR_FTM_MEAS_PAD, + /* keep last */ + QCA_WLAN_VENDOR_ATTR_FTM_MEAS_AFTER_LAST, + QCA_WLAN_VENDOR_ATTR_FTM_MEAS_MAX = + QCA_WLAN_VENDOR_ATTR_FTM_MEAS_AFTER_LAST - 1, +}; + +/** + * enum qca_wlan_vendor_attr_aoa_type: AOA measurement type + * + * @QCA_WLAN_VENDOR_ATTR_AOA_TYPE_TOP_CIR_PHASE: Phase of the strongest + * CIR (channel impulse response) path for each antenna. + * @QCA_WLAN_VENDOR_ATTR_AOA_TYPE_TOP_CIR_PHASE_AMP: Phase and amplitude + * of the strongest CIR path for each antenna. + */ +enum qca_wlan_vendor_attr_aoa_type { + QCA_WLAN_VENDOR_ATTR_AOA_TYPE_TOP_CIR_PHASE, + QCA_WLAN_VENDOR_ATTR_AOA_TYPE_TOP_CIR_PHASE_AMP, + QCA_WLAN_VENDOR_ATTR_AOA_TYPE_MAX, +}; + +/* vendor event indices, used from both cfg80211.c and ftm.c */ +enum qca_nl80211_vendor_events_index { + QCA_NL80211_VENDOR_EVENT_FTM_MEAS_RESULT_INDEX, + QCA_NL80211_VENDOR_EVENT_FTM_SESSION_DONE_INDEX, + QCA_NL80211_VENDOR_EVENT_AOA_MEAS_RESULT_INDEX, +}; + +/* measurement parameters. Specified for each peer as part + * of measurement request, or provided with measurement + * results for peer in case peer overridden parameters + */ +struct wil_ftm_meas_params { + u8 meas_per_burst; + u8 num_of_bursts_exp; + u8 burst_duration; + u16 burst_period; +}; + +/* measurement request for a single peer */ +struct wil_ftm_meas_peer_info { + u8 mac_addr[ETH_ALEN]; + u8 channel; + u32 flags; /* enum qca_wlan_vendor_attr_ftm_peer_meas_flags */ + struct wil_ftm_meas_params params; + u8 secure_token_id; +}; + +/* session request, passed to wil_ftm_cfg80211_start_session */ +struct wil_ftm_session_request { + u64 session_cookie; + u32 n_peers; + /* keep last, variable size according to n_peers */ + struct wil_ftm_meas_peer_info peers[0]; +}; + +/* single measurement for a peer */ +struct wil_ftm_peer_meas { + u64 t1, t2, t3, t4; +}; + +/* measurement results for a single peer */ +struct wil_ftm_peer_meas_res { + u8 mac_addr[ETH_ALEN]; + u32 flags; /* enum qca_wlan_vendor_attr_ftm_peer_result_flags */ + u8 status; /* enum qca_wlan_vendor_attr_ftm_peer_result_status */ + u8 value_seconds; + bool has_params; /* true if params is valid */ + struct wil_ftm_meas_params params; /* peer overridden params */ + u8 *lci; + u8 lci_length; + u8 *lcr; + u8 lcr_length; + u32 n_meas; + /* keep last, variable size according to n_meas */ + struct wil_ftm_peer_meas meas[0]; +}; + +/* standalone AOA measurement request */ +struct wil_aoa_meas_request { + u8 mac_addr[ETH_ALEN]; + u32 type; +}; + +/* AOA measurement result */ +struct wil_aoa_meas_result { + u8 mac_addr[ETH_ALEN]; + u32 type; + u32 antenna_array_mask; + u32 status; + u32 length; + /* keep last, variable size according to length */ + u8 data[0]; +}; + +/* private data related to FTM. Part of the wil6210_priv structure */ +struct wil_ftm_priv { + struct mutex lock; /* protects the FTM data */ + u8 session_started; + u64 session_cookie; + struct wil_ftm_peer_meas_res *ftm_res; + u8 has_ftm_res; + u32 max_ftm_meas; + + /* standalone AOA measurement */ + u8 aoa_started; + u8 aoa_peer_mac_addr[ETH_ALEN]; + u32 aoa_type; + struct timer_list aoa_timer; + struct work_struct aoa_timeout_work; +}; + +int wil_ftm_get_capabilities(struct wiphy *wiphy, struct wireless_dev *wdev, + const void *data, int data_len); +int wil_ftm_start_session(struct wiphy *wiphy, struct wireless_dev *wdev, + const void *data, int data_len); +int wil_ftm_abort_session(struct wiphy *wiphy, struct wireless_dev *wdev, + const void *data, int data_len); +int wil_ftm_configure_responder(struct wiphy *wiphy, struct wireless_dev *wdev, + const void *data, int data_len); +int wil_aoa_start_measurement(struct wiphy *wiphy, struct wireless_dev *wdev, + const void *data, int data_len); +int wil_aoa_abort_measurement(struct wiphy *wiphy, struct wireless_dev *wdev, + const void *data, int data_len); + +#endif /* __WIL6210_FTM_H__ */ diff --git a/drivers/net/wireless/ath/wil6210/main.c b/drivers/net/wireless/ath/wil6210/main.c index a509841c3187..5285ebc8b9af 100644 --- a/drivers/net/wireless/ath/wil6210/main.c +++ b/drivers/net/wireless/ath/wil6210/main.c @@ -518,6 +518,8 @@ int wil_priv_init(struct wil6210_priv *wil) spin_lock_init(&wil->wmi_ev_lock); init_waitqueue_head(&wil->wq); + wil_ftm_init(wil); + wil->wmi_wq = create_singlethread_workqueue(WIL_NAME "_wmi"); if (!wil->wmi_wq) return -EAGAIN; @@ -565,6 +567,7 @@ void wil_priv_deinit(struct wil6210_priv *wil) { wil_dbg_misc(wil, "%s()\n", __func__); + wil_ftm_deinit(wil); wil_set_recovery_state(wil, fw_recovery_idle); del_timer_sync(&wil->scan_timer); del_timer_sync(&wil->p2p.discovery_timer); @@ -1056,6 +1059,7 @@ int __wil_down(struct wil6210_priv *wil) wil_enable_irq(wil); wil_p2p_stop_radio_operations(wil); + wil_ftm_stop_operations(wil); mutex_lock(&wil->p2p_wdev_mutex); if (wil->scan_request) { diff --git a/drivers/net/wireless/ath/wil6210/wil6210.h b/drivers/net/wireless/ath/wil6210/wil6210.h index ce33e919d321..a19dba5b9e5f 100644 --- a/drivers/net/wireless/ath/wil6210/wil6210.h +++ b/drivers/net/wireless/ath/wil6210/wil6210.h @@ -25,6 +25,7 @@ #include #include "wmi.h" #include "wil_platform.h" +#include "ftm.h" extern bool no_fw_recovery; extern unsigned int mtu_max; @@ -668,6 +669,8 @@ struct wil6210_priv { /* High Access Latency Policy voting */ struct wil_halp halp; + struct wil_ftm_priv ftm; + #ifdef CONFIG_PM #ifdef CONFIG_PM_SLEEP struct notifier_block pm_notify; @@ -872,6 +875,8 @@ int wmi_pcp_start(struct wil6210_priv *wil, int bi, u8 wmi_nettype, u8 chan, u8 hidden_ssid, u8 is_go); int wmi_pcp_stop(struct wil6210_priv *wil); int wmi_led_cfg(struct wil6210_priv *wil, bool enable); +int wmi_aoa_meas(struct wil6210_priv *wil, const void *mac_addr, u8 chan, + u8 type); void wil6210_disconnect(struct wil6210_priv *wil, const u8 *bssid, u16 reason_code, bool from_event); void wil_probe_client_flush(struct wil6210_priv *wil); @@ -915,4 +920,18 @@ void wil_halp_unvote(struct wil6210_priv *wil); void wil6210_set_halp(struct wil6210_priv *wil); void wil6210_clear_halp(struct wil6210_priv *wil); +void wil_ftm_init(struct wil6210_priv *wil); +void wil_ftm_deinit(struct wil6210_priv *wil); +void wil_ftm_stop_operations(struct wil6210_priv *wil); +void wil_aoa_cfg80211_meas_result(struct wil6210_priv *wil, + struct wil_aoa_meas_result *result); + +void wil_ftm_evt_session_ended(struct wil6210_priv *wil, + struct wmi_tof_session_end_event *evt); +void wil_ftm_evt_per_dest_res(struct wil6210_priv *wil, + struct wmi_tof_ftm_per_dest_res_event *evt); +void wil_aoa_evt_meas(struct wil6210_priv *wil, + struct wmi_aoa_meas_event *evt, + int len); + #endif /* __WIL6210_H__ */ diff --git a/drivers/net/wireless/ath/wil6210/wmi.c b/drivers/net/wireless/ath/wil6210/wmi.c index 6ec3ddc5b6f1..daa7a33d12d8 100644 --- a/drivers/net/wireless/ath/wil6210/wmi.c +++ b/drivers/net/wireless/ath/wil6210/wmi.c @@ -22,6 +22,7 @@ #include "txrx.h" #include "wmi.h" #include "trace.h" +#include "ftm.h" static uint max_assoc_sta = WIL6210_MAX_CID; module_param(max_assoc_sta, uint, S_IRUGO | S_IWUSR); @@ -772,6 +773,30 @@ __acquires(&sta->tid_rx_lock) __releases(&sta->tid_rx_lock) spin_unlock_bh(&sta->tid_rx_lock); } +static void wmi_evt_aoa_meas(struct wil6210_priv *wil, int id, + void *d, int len) +{ + struct wmi_aoa_meas_event *evt = d; + + wil_aoa_evt_meas(wil, evt, len); +} + +static void wmi_evt_ftm_session_ended(struct wil6210_priv *wil, int id, + void *d, int len) +{ + struct wmi_tof_session_end_event *evt = d; + + wil_ftm_evt_session_ended(wil, evt); +} + +static void wmi_evt_per_dest_res(struct wil6210_priv *wil, int id, + void *d, int len) +{ + struct wmi_tof_ftm_per_dest_res_event *evt = d; + + wil_ftm_evt_per_dest_res(wil, evt); +} + /** * Some events are ignored for purpose; and need not be interpreted as * "unhandled events" @@ -799,6 +824,13 @@ static const struct { {WMI_DELBA_EVENTID, wmi_evt_delba}, {WMI_VRING_EN_EVENTID, wmi_evt_vring_en}, {WMI_DATA_PORT_OPEN_EVENTID, wmi_evt_ignore}, + {WMI_AOA_MEAS_EVENTID, wmi_evt_aoa_meas}, + {WMI_TOF_SESSION_END_EVENTID, wmi_evt_ftm_session_ended}, + {WMI_TOF_GET_CAPABILITIES_EVENTID, wmi_evt_ignore}, + {WMI_TOF_SET_LCR_EVENTID, wmi_evt_ignore}, + {WMI_TOF_SET_LCI_EVENTID, wmi_evt_ignore}, + {WMI_TOF_FTM_PER_DEST_RES_EVENTID, wmi_evt_per_dest_res}, + {WMI_TOF_CHANNEL_INFO_EVENTID, wmi_evt_ignore}, }; /*