Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit 6f80f49a authored by Lior David's avatar Lior David
Browse files

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: default avatarLior David <liord@codeaurora.org>
parent fbaa89c3

drivers/net/wireless/ath/wil6210/Makefile

+1 −0
Original line number Diff line number Diff line
@@ -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)

drivers/net/wireless/ath/wil6210/cfg80211.c

+90 −0
Original line number Diff line number Diff line
@@ -17,6 +17,7 @@ 
#include <linux/etherdevice.h>

#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),
@@ -1482,6 +1567,11 @@ 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)

drivers/net/wireless/ath/wil6210/ftm.c

0 → 100644
+903 −0

File added.

Preview size limit exceeded, changes collapsed.

drivers/net/wireless/ath/wil6210/ftm.h

0 → 100644
+512 −0

File added.

Preview size limit exceeded, changes collapsed.

drivers/net/wireless/ath/wil6210/main.c

+4 −0
Original line number Diff line number Diff line
@@ -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);
@@ -1053,6 +1056,7 @@ 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) {