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Commit 81e54d08 authored by Pradeep Kumar Chitrapu's avatar Pradeep Kumar Chitrapu Committed by Johannes Berg
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cfg80211: support FTM responder configuration/statistics



Allow userspace to enable fine timing measurement responder
functionality with configurable lci/civic parameters in AP mode.
This can be done at AP start or changing beacon parameters.

A new EXT_FEATURE flag is introduced for drivers to advertise
the capability.

Also nl80211 API support for retrieving statistics is added.

Signed-off-by: default avatarJohannes Berg <johannes.berg@intel.com>
Signed-off-by: default avatarPradeep Kumar Chitrapu <pradeepc@codeaurora.org>
[remove unused cfg80211_ftm_responder_params, clarify docs,
 move validation into policy]
Signed-off-by: default avatarJohannes Berg <johannes.berg@intel.com>
parent 7057f249
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+52 −0
Original line number Original line Diff line number Diff line
@@ -775,6 +775,12 @@ struct cfg80211_crypto_settings {
 * @assocresp_ies_len: length of assocresp_ies in octets
 * @assocresp_ies_len: length of assocresp_ies in octets
 * @probe_resp_len: length of probe response template (@probe_resp)
 * @probe_resp_len: length of probe response template (@probe_resp)
 * @probe_resp: probe response template (AP mode only)
 * @probe_resp: probe response template (AP mode only)
 * @ftm_responder: enable FTM responder functionality; -1 for no change
 *	(which also implies no change in LCI/civic location data)
 * @lci: LCI subelement content
 * @civicloc: Civic location subelement content
 * @lci_len: LCI data length
 * @civicloc_len: Civic location data length
 */
 */
struct cfg80211_beacon_data {
struct cfg80211_beacon_data {
	const u8 *head, *tail;
	const u8 *head, *tail;
@@ -782,12 +788,17 @@ struct cfg80211_beacon_data {
	const u8 *proberesp_ies;
	const u8 *proberesp_ies;
	const u8 *assocresp_ies;
	const u8 *assocresp_ies;
	const u8 *probe_resp;
	const u8 *probe_resp;
	const u8 *lci;
	const u8 *civicloc;
	s8 ftm_responder;


	size_t head_len, tail_len;
	size_t head_len, tail_len;
	size_t beacon_ies_len;
	size_t beacon_ies_len;
	size_t proberesp_ies_len;
	size_t proberesp_ies_len;
	size_t assocresp_ies_len;
	size_t assocresp_ies_len;
	size_t probe_resp_len;
	size_t probe_resp_len;
	size_t lci_len;
	size_t civicloc_len;
};
};


struct mac_address {
struct mac_address {
@@ -2796,6 +2807,40 @@ struct cfg80211_external_auth_params {
	u16 status;
	u16 status;
};
};


/**
 * cfg80211_ftm_responder_stats - FTM responder statistics
 *
 * @filled: bitflag of flags using the bits of &enum nl80211_ftm_stats to
 *	indicate the relevant values in this struct for them
 * @success_num: number of FTM sessions in which all frames were successfully
 *	answered
 * @partial_num: number of FTM sessions in which part of frames were
 *	successfully answered
 * @failed_num: number of failed FTM sessions
 * @asap_num: number of ASAP FTM sessions
 * @non_asap_num: number of  non-ASAP FTM sessions
 * @total_duration_ms: total sessions durations - gives an indication
 *	of how much time the responder was busy
 * @unknown_triggers_num: number of unknown FTM triggers - triggers from
 *	initiators that didn't finish successfully the negotiation phase with
 *	the responder
 * @reschedule_requests_num: number of FTM reschedule requests - initiator asks
 *	for a new scheduling although it already has scheduled FTM slot
 * @out_of_window_triggers_num: total FTM triggers out of scheduled window
 */
struct cfg80211_ftm_responder_stats {
	u32 filled;
	u32 success_num;
	u32 partial_num;
	u32 failed_num;
	u32 asap_num;
	u32 non_asap_num;
	u64 total_duration_ms;
	u32 unknown_triggers_num;
	u32 reschedule_requests_num;
	u32 out_of_window_triggers_num;
};

/**
/**
 * struct cfg80211_ops - backend description for wireless configuration
 * struct cfg80211_ops - backend description for wireless configuration
 *
 *
@@ -3128,6 +3173,9 @@ struct cfg80211_external_auth_params {
 *
 *
 * @tx_control_port: TX a control port frame (EAPoL).  The noencrypt parameter
 * @tx_control_port: TX a control port frame (EAPoL).  The noencrypt parameter
 *	tells the driver that the frame should not be encrypted.
 *	tells the driver that the frame should not be encrypted.
 *
 * @get_ftm_responder_stats: Retrieve FTM responder statistics, if available.
 *	Statistics should be cumulative, currently no way to reset is provided.
 */
 */
struct cfg80211_ops {
struct cfg80211_ops {
	int	(*suspend)(struct wiphy *wiphy, struct cfg80211_wowlan *wow);
	int	(*suspend)(struct wiphy *wiphy, struct cfg80211_wowlan *wow);
@@ -3433,6 +3481,10 @@ struct cfg80211_ops {
				   const u8 *buf, size_t len,
				   const u8 *buf, size_t len,
				   const u8 *dest, const __be16 proto,
				   const u8 *dest, const __be16 proto,
				   const bool noencrypt);
				   const bool noencrypt);

	int	(*get_ftm_responder_stats)(struct wiphy *wiphy,
				struct net_device *dev,
				struct cfg80211_ftm_responder_stats *ftm_stats);
};
};


/*
/*
+90 −0
Original line number Original line Diff line number Diff line
@@ -1033,6 +1033,9 @@
 *	%NL80211_ATTR_CHANNEL_WIDTH,%NL80211_ATTR_NSS attributes with its
 *	%NL80211_ATTR_CHANNEL_WIDTH,%NL80211_ATTR_NSS attributes with its
 *	address(specified in %NL80211_ATTR_MAC).
 *	address(specified in %NL80211_ATTR_MAC).
 *
 *
 * @NL80211_CMD_GET_FTM_RESPONDER_STATS: Retrieve FTM responder statistics, in
 *	the %NL80211_ATTR_FTM_RESPONDER_STATS attribute.
 *
 * @NL80211_CMD_MAX: highest used command number
 * @NL80211_CMD_MAX: highest used command number
 * @__NL80211_CMD_AFTER_LAST: internal use
 * @__NL80211_CMD_AFTER_LAST: internal use
 */
 */
@@ -1245,6 +1248,8 @@ enum nl80211_commands {


	NL80211_CMD_CONTROL_PORT_FRAME,
	NL80211_CMD_CONTROL_PORT_FRAME,


	NL80211_CMD_GET_FTM_RESPONDER_STATS,

	/* add new commands above here */
	/* add new commands above here */


	/* used to define NL80211_CMD_MAX below */
	/* used to define NL80211_CMD_MAX below */
@@ -2241,6 +2246,14 @@ enum nl80211_commands {
 *	association request when used with NL80211_CMD_NEW_STATION). Can be set
 *	association request when used with NL80211_CMD_NEW_STATION). Can be set
 *	only if %NL80211_STA_FLAG_WME is set.
 *	only if %NL80211_STA_FLAG_WME is set.
 *
 *
 * @NL80211_ATTR_FTM_RESPONDER: nested attribute which user-space can include
 *	in %NL80211_CMD_START_AP or %NL80211_CMD_SET_BEACON for fine timing
 *	measurement (FTM) responder functionality and containing parameters as
 *	possible, see &enum nl80211_ftm_responder_attr
 *
 * @NL80211_ATTR_FTM_RESPONDER_STATS: Nested attribute with FTM responder
 *	statistics, see &enum nl80211_ftm_responder_stats.
 *
 * @NUM_NL80211_ATTR: total number of nl80211_attrs available
 * @NUM_NL80211_ATTR: total number of nl80211_attrs available
 * @NL80211_ATTR_MAX: highest attribute number currently defined
 * @NL80211_ATTR_MAX: highest attribute number currently defined
 * @__NL80211_ATTR_AFTER_LAST: internal use
 * @__NL80211_ATTR_AFTER_LAST: internal use
@@ -2682,6 +2695,10 @@ enum nl80211_attrs {


	NL80211_ATTR_HE_CAPABILITY,
	NL80211_ATTR_HE_CAPABILITY,


	NL80211_ATTR_FTM_RESPONDER,

	NL80211_ATTR_FTM_RESPONDER_STATS,

	/* add attributes here, update the policy in nl80211.c */
	/* add attributes here, update the policy in nl80211.c */


	__NL80211_ATTR_AFTER_LAST,
	__NL80211_ATTR_AFTER_LAST,
@@ -5225,6 +5242,8 @@ enum nl80211_feature_flags {
 * @NL80211_EXT_FEATURE_SCAN_MIN_PREQ_CONTENT: Driver/device can omit all data
 * @NL80211_EXT_FEATURE_SCAN_MIN_PREQ_CONTENT: Driver/device can omit all data
 *	except for supported rates from the probe request content if requested
 *	except for supported rates from the probe request content if requested
 *	by the %NL80211_SCAN_FLAG_MIN_PREQ_CONTENT flag.
 *	by the %NL80211_SCAN_FLAG_MIN_PREQ_CONTENT flag.
 * @NL80211_EXT_FEATURE_ENABLE_FTM_RESPONDER: Driver supports enabling fine
 *	timing measurement responder role.
 *
 *
 * @NL80211_EXT_FEATURE_CAN_REPLACE_PTK0: Driver/device confirm that they are
 * @NL80211_EXT_FEATURE_CAN_REPLACE_PTK0: Driver/device confirm that they are
 *      able to rekey an in-use key correctly. Userspace must not rekey PTK keys
 *      able to rekey an in-use key correctly. Userspace must not rekey PTK keys
@@ -5269,6 +5288,7 @@ enum nl80211_ext_feature_index {
	NL80211_EXT_FEATURE_SCAN_RANDOM_SN,
	NL80211_EXT_FEATURE_SCAN_RANDOM_SN,
	NL80211_EXT_FEATURE_SCAN_MIN_PREQ_CONTENT,
	NL80211_EXT_FEATURE_SCAN_MIN_PREQ_CONTENT,
	NL80211_EXT_FEATURE_CAN_REPLACE_PTK0,
	NL80211_EXT_FEATURE_CAN_REPLACE_PTK0,
	NL80211_EXT_FEATURE_ENABLE_FTM_RESPONDER,


	/* add new features before the definition below */
	/* add new features before the definition below */
	NUM_NL80211_EXT_FEATURES,
	NUM_NL80211_EXT_FEATURES,
@@ -5808,4 +5828,74 @@ enum nl80211_external_auth_action {
	NL80211_EXTERNAL_AUTH_ABORT,
	NL80211_EXTERNAL_AUTH_ABORT,
};
};


/**
 * enum nl80211_ftm_responder_attributes - fine timing measurement
 *	responder attributes
 * @__NL80211_FTM_RESP_ATTR_INVALID: Invalid
 * @NL80211_FTM_RESP_ATTR_ENABLED: FTM responder is enabled
 * @NL80211_FTM_RESP_ATTR_LCI: The content of Measurement Report Element
 *	(9.4.2.22 in 802.11-2016) with type 8 - LCI (9.4.2.22.10)
 * @NL80211_FTM_RESP_ATTR_CIVIC: The content of Measurement Report Element
 *	(9.4.2.22 in 802.11-2016) with type 11 - Civic (Section 9.4.2.22.13)
 * @__NL80211_FTM_RESP_ATTR_LAST: Internal
 * @NL80211_FTM_RESP_ATTR_MAX: highest FTM responder attribute.
 */
enum nl80211_ftm_responder_attributes {
	__NL80211_FTM_RESP_ATTR_INVALID,

	NL80211_FTM_RESP_ATTR_ENABLED,
	NL80211_FTM_RESP_ATTR_LCI,
	NL80211_FTM_RESP_ATTR_CIVICLOC,

	/* keep last */
	__NL80211_FTM_RESP_ATTR_LAST,
	NL80211_FTM_RESP_ATTR_MAX = __NL80211_FTM_RESP_ATTR_LAST - 1,
};

/*
 * enum nl80211_ftm_responder_stats - FTM responder statistics
 *
 * These attribute types are used with %NL80211_ATTR_FTM_RESPONDER_STATS
 * when getting FTM responder statistics.
 *
 * @__NL80211_FTM_STATS_INVALID: attribute number 0 is reserved
 * @NL80211_FTM_STATS_SUCCESS_NUM: number of FTM sessions in which all frames
 *	were ssfully answered (u32)
 * @NL80211_FTM_STATS_PARTIAL_NUM: number of FTM sessions in which part of the
 *	frames were successfully answered (u32)
 * @NL80211_FTM_STATS_FAILED_NUM: number of failed FTM sessions (u32)
 * @NL80211_FTM_STATS_ASAP_NUM: number of ASAP sessions (u32)
 * @NL80211_FTM_STATS_NON_ASAP_NUM: number of non-ASAP sessions (u32)
 * @NL80211_FTM_STATS_TOTAL_DURATION_MSEC: total sessions durations - gives an
 *	indication of how much time the responder was busy (u64, msec)
 * @NL80211_FTM_STATS_UNKNOWN_TRIGGERS_NUM: number of unknown FTM triggers -
 *	triggers from initiators that didn't finish successfully the negotiation
 *	phase with the responder (u32)
 * @NL80211_FTM_STATS_RESCHEDULE_REQUESTS_NUM: number of FTM reschedule requests
 *	- initiator asks for a new scheduling although it already has scheduled
 *	FTM slot (u32)
 * @NL80211_FTM_STATS_OUT_OF_WINDOW_TRIGGERS_NUM: number of FTM triggers out of
 *	scheduled window (u32)
 * @NL80211_FTM_STATS_PAD: used for padding, ignore
 * @__NL80211_TXQ_ATTR_AFTER_LAST: Internal
 * @NL80211_FTM_STATS_MAX: highest possible FTM responder stats attribute
 */
enum nl80211_ftm_responder_stats {
	__NL80211_FTM_STATS_INVALID,
	NL80211_FTM_STATS_SUCCESS_NUM,
	NL80211_FTM_STATS_PARTIAL_NUM,
	NL80211_FTM_STATS_FAILED_NUM,
	NL80211_FTM_STATS_ASAP_NUM,
	NL80211_FTM_STATS_NON_ASAP_NUM,
	NL80211_FTM_STATS_TOTAL_DURATION_MSEC,
	NL80211_FTM_STATS_UNKNOWN_TRIGGERS_NUM,
	NL80211_FTM_STATS_RESCHEDULE_REQUESTS_NUM,
	NL80211_FTM_STATS_OUT_OF_WINDOW_TRIGGERS_NUM,
	NL80211_FTM_STATS_PAD,

	/* keep last */
	__NL80211_FTM_STATS_AFTER_LAST,
	NL80211_FTM_STATS_MAX = __NL80211_FTM_STATS_AFTER_LAST - 1
};

#endif /* __LINUX_NL80211_H */
#endif /* __LINUX_NL80211_H */
+127 −5
Original line number Original line Diff line number Diff line
@@ -201,6 +201,15 @@ cfg80211_get_dev_from_info(struct net *netns, struct genl_info *info)
}
}


/* policy for the attributes */
/* policy for the attributes */
static const struct nla_policy
nl80211_ftm_responder_policy[NL80211_FTM_RESP_ATTR_MAX + 1] = {
	[NL80211_FTM_RESP_ATTR_ENABLED] = { .type = NLA_FLAG, },
	[NL80211_FTM_RESP_ATTR_LCI] = { .type = NLA_BINARY,
					.len = U8_MAX },
	[NL80211_FTM_RESP_ATTR_CIVICLOC] = { .type = NLA_BINARY,
					     .len = U8_MAX },
};

static const struct nla_policy nl80211_policy[NUM_NL80211_ATTR] = {
static const struct nla_policy nl80211_policy[NUM_NL80211_ATTR] = {
	[NL80211_ATTR_WIPHY] = { .type = NLA_U32 },
	[NL80211_ATTR_WIPHY] = { .type = NLA_U32 },
	[NL80211_ATTR_WIPHY_NAME] = { .type = NLA_NUL_STRING,
	[NL80211_ATTR_WIPHY_NAME] = { .type = NLA_NUL_STRING,
@@ -430,6 +439,11 @@ static const struct nla_policy nl80211_policy[NUM_NL80211_ATTR] = {
	[NL80211_ATTR_TXQ_QUANTUM] = { .type = NLA_U32 },
	[NL80211_ATTR_TXQ_QUANTUM] = { .type = NLA_U32 },
	[NL80211_ATTR_HE_CAPABILITY] = { .type = NLA_BINARY,
	[NL80211_ATTR_HE_CAPABILITY] = { .type = NLA_BINARY,
					 .len = NL80211_HE_MAX_CAPABILITY_LEN },
					 .len = NL80211_HE_MAX_CAPABILITY_LEN },

	[NL80211_ATTR_FTM_RESPONDER] = {
		.type = NLA_NESTED,
		.validation_data = nl80211_ftm_responder_policy,
	},
};
};


/* policy for the key attributes */
/* policy for the key attributes */
@@ -3989,10 +4003,12 @@ static int validate_beacon_tx_rate(struct cfg80211_registered_device *rdev,
	return 0;
	return 0;
}
}


static int nl80211_parse_beacon(struct nlattr *attrs[],
static int nl80211_parse_beacon(struct cfg80211_registered_device *rdev,
				struct nlattr *attrs[],
				struct cfg80211_beacon_data *bcn)
				struct cfg80211_beacon_data *bcn)
{
{
	bool haveinfo = false;
	bool haveinfo = false;
	int err;


	if (!is_valid_ie_attr(attrs[NL80211_ATTR_BEACON_TAIL]) ||
	if (!is_valid_ie_attr(attrs[NL80211_ATTR_BEACON_TAIL]) ||
	    !is_valid_ie_attr(attrs[NL80211_ATTR_IE]) ||
	    !is_valid_ie_attr(attrs[NL80211_ATTR_IE]) ||
@@ -4043,6 +4059,35 @@ static int nl80211_parse_beacon(struct nlattr *attrs[],
		bcn->probe_resp_len = nla_len(attrs[NL80211_ATTR_PROBE_RESP]);
		bcn->probe_resp_len = nla_len(attrs[NL80211_ATTR_PROBE_RESP]);
	}
	}


	if (attrs[NL80211_ATTR_FTM_RESPONDER]) {
		struct nlattr *tb[NL80211_FTM_RESP_ATTR_MAX + 1];

		err = nla_parse_nested(tb, NL80211_FTM_RESP_ATTR_MAX,
				       attrs[NL80211_ATTR_FTM_RESPONDER],
				       NULL, NULL);
		if (err)
			return err;

		if (tb[NL80211_FTM_RESP_ATTR_ENABLED] &&
		    wiphy_ext_feature_isset(&rdev->wiphy,
					    NL80211_EXT_FEATURE_ENABLE_FTM_RESPONDER))
			bcn->ftm_responder = 1;
		else
			return -EOPNOTSUPP;

		if (tb[NL80211_FTM_RESP_ATTR_LCI]) {
			bcn->lci = nla_data(tb[NL80211_FTM_RESP_ATTR_LCI]);
			bcn->lci_len = nla_len(tb[NL80211_FTM_RESP_ATTR_LCI]);
		}

		if (tb[NL80211_FTM_RESP_ATTR_CIVICLOC]) {
			bcn->civicloc = nla_data(tb[NL80211_FTM_RESP_ATTR_CIVICLOC]);
			bcn->civicloc_len = nla_len(tb[NL80211_FTM_RESP_ATTR_CIVICLOC]);
		}
	} else {
		bcn->ftm_responder = -1;
	}

	return 0;
	return 0;
}
}


@@ -4189,7 +4234,7 @@ static int nl80211_start_ap(struct sk_buff *skb, struct genl_info *info)
	    !info->attrs[NL80211_ATTR_BEACON_HEAD])
	    !info->attrs[NL80211_ATTR_BEACON_HEAD])
		return -EINVAL;
		return -EINVAL;


	err = nl80211_parse_beacon(info->attrs, &params.beacon);
	err = nl80211_parse_beacon(rdev, info->attrs, &params.beacon);
	if (err)
	if (err)
		return err;
		return err;


@@ -4373,7 +4418,7 @@ static int nl80211_set_beacon(struct sk_buff *skb, struct genl_info *info)
	if (!wdev->beacon_interval)
	if (!wdev->beacon_interval)
		return -EINVAL;
		return -EINVAL;


	err = nl80211_parse_beacon(info->attrs, &params);
	err = nl80211_parse_beacon(rdev, info->attrs, &params);
	if (err)
	if (err)
		return err;
		return err;


@@ -7935,7 +7980,7 @@ static int nl80211_channel_switch(struct sk_buff *skb, struct genl_info *info)
	if (!need_new_beacon)
	if (!need_new_beacon)
		goto skip_beacons;
		goto skip_beacons;


	err = nl80211_parse_beacon(info->attrs, &params.beacon_after);
	err = nl80211_parse_beacon(rdev, info->attrs, &params.beacon_after);
	if (err)
	if (err)
		return err;
		return err;


@@ -7945,7 +7990,7 @@ static int nl80211_channel_switch(struct sk_buff *skb, struct genl_info *info)
	if (err)
	if (err)
		return err;
		return err;


	err = nl80211_parse_beacon(csa_attrs, &params.beacon_csa);
	err = nl80211_parse_beacon(rdev, csa_attrs, &params.beacon_csa);
	if (err)
	if (err)
		return err;
		return err;


@@ -12984,6 +13029,76 @@ static int nl80211_tx_control_port(struct sk_buff *skb, struct genl_info *info)
	return err;
	return err;
}
}


static int nl80211_get_ftm_responder_stats(struct sk_buff *skb,
					   struct genl_info *info)
{
	struct cfg80211_registered_device *rdev = info->user_ptr[0];
	struct net_device *dev = info->user_ptr[1];
	struct wireless_dev *wdev = dev->ieee80211_ptr;
	struct cfg80211_ftm_responder_stats ftm_stats = {};
	struct sk_buff *msg;
	void *hdr;
	struct nlattr *ftm_stats_attr;
	int err;

	if (wdev->iftype != NL80211_IFTYPE_AP || !wdev->beacon_interval)
		return -EOPNOTSUPP;

	err = rdev_get_ftm_responder_stats(rdev, dev, &ftm_stats);
	if (err)
		return err;

	if (!ftm_stats.filled)
		return -ENODATA;

	msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
	if (!msg)
		return -ENOMEM;

	hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
			     NL80211_CMD_GET_FTM_RESPONDER_STATS);
	if (!hdr)
		return -ENOBUFS;

	if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex))
		goto nla_put_failure;

	ftm_stats_attr = nla_nest_start(msg, NL80211_ATTR_FTM_RESPONDER_STATS);
	if (!ftm_stats_attr)
		goto nla_put_failure;

#define SET_FTM(field, name, type)					 \
	do { if ((ftm_stats.filled & BIT(NL80211_FTM_STATS_ ## name)) && \
	    nla_put_ ## type(msg, NL80211_FTM_STATS_ ## name,		 \
			     ftm_stats.field))				 \
		goto nla_put_failure; } while (0)
#define SET_FTM_U64(field, name)					 \
	do { if ((ftm_stats.filled & BIT(NL80211_FTM_STATS_ ## name)) && \
	    nla_put_u64_64bit(msg, NL80211_FTM_STATS_ ## name,		 \
			      ftm_stats.field, NL80211_FTM_STATS_PAD))	 \
		goto nla_put_failure; } while (0)

	SET_FTM(success_num, SUCCESS_NUM, u32);
	SET_FTM(partial_num, PARTIAL_NUM, u32);
	SET_FTM(failed_num, FAILED_NUM, u32);
	SET_FTM(asap_num, ASAP_NUM, u32);
	SET_FTM(non_asap_num, NON_ASAP_NUM, u32);
	SET_FTM_U64(total_duration_ms, TOTAL_DURATION_MSEC);
	SET_FTM(unknown_triggers_num, UNKNOWN_TRIGGERS_NUM, u32);
	SET_FTM(reschedule_requests_num, RESCHEDULE_REQUESTS_NUM, u32);
	SET_FTM(out_of_window_triggers_num, OUT_OF_WINDOW_TRIGGERS_NUM, u32);
#undef SET_FTM

	nla_nest_end(msg, ftm_stats_attr);

	genlmsg_end(msg, hdr);
	return genlmsg_reply(msg, info);

nla_put_failure:
	nlmsg_free(msg);
	return -ENOBUFS;
}

#define NL80211_FLAG_NEED_WIPHY		0x01
#define NL80211_FLAG_NEED_WIPHY		0x01
#define NL80211_FLAG_NEED_NETDEV	0x02
#define NL80211_FLAG_NEED_NETDEV	0x02
#define NL80211_FLAG_NEED_RTNL		0x04
#define NL80211_FLAG_NEED_RTNL		0x04
@@ -13895,6 +14010,13 @@ static const struct genl_ops nl80211_ops[] = {
		.internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
		.internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
				  NL80211_FLAG_NEED_RTNL,
				  NL80211_FLAG_NEED_RTNL,
	},
	},
	{
		.cmd = NL80211_CMD_GET_FTM_RESPONDER_STATS,
		.doit = nl80211_get_ftm_responder_stats,
		.policy = nl80211_policy,
		.internal_flags = NL80211_FLAG_NEED_NETDEV |
				  NL80211_FLAG_NEED_RTNL,
	},
};
};


static struct genl_family nl80211_fam __ro_after_init = {
static struct genl_family nl80211_fam __ro_after_init = {
+15 −0
Original line number Original line Diff line number Diff line
@@ -1232,4 +1232,19 @@ rdev_external_auth(struct cfg80211_registered_device *rdev,
	return ret;
	return ret;
}
}


static inline int
rdev_get_ftm_responder_stats(struct cfg80211_registered_device *rdev,
			     struct net_device *dev,
			     struct cfg80211_ftm_responder_stats *ftm_stats)
{
	int ret = -EOPNOTSUPP;

	trace_rdev_get_ftm_responder_stats(&rdev->wiphy, dev, ftm_stats);
	if (rdev->ops->get_ftm_responder_stats)
		ret = rdev->ops->get_ftm_responder_stats(&rdev->wiphy, dev,
							ftm_stats);
	trace_rdev_return_int(&rdev->wiphy, ret);
	return ret;
}

#endif /* __CFG80211_RDEV_OPS */
#endif /* __CFG80211_RDEV_OPS */
+44 −0
Original line number Original line Diff line number Diff line
@@ -3250,6 +3250,50 @@ DEFINE_EVENT(wiphy_wdev_evt, rdev_get_txq_stats,
	TP_PROTO(struct wiphy *wiphy, struct wireless_dev *wdev),
	TP_PROTO(struct wiphy *wiphy, struct wireless_dev *wdev),
	TP_ARGS(wiphy, wdev)
	TP_ARGS(wiphy, wdev)
);
);

TRACE_EVENT(rdev_get_ftm_responder_stats,
	TP_PROTO(struct wiphy *wiphy, struct net_device *netdev,
		 struct cfg80211_ftm_responder_stats *ftm_stats),

	TP_ARGS(wiphy, netdev, ftm_stats),

	TP_STRUCT__entry(
		WIPHY_ENTRY
		NETDEV_ENTRY
		__field(u64, timestamp)
		__field(u32, success_num)
		__field(u32, partial_num)
		__field(u32, failed_num)
		__field(u32, asap_num)
		__field(u32, non_asap_num)
		__field(u64, duration)
		__field(u32, unknown_triggers)
		__field(u32, reschedule)
		__field(u32, out_of_window)
	),

	TP_fast_assign(
		WIPHY_ASSIGN;
		NETDEV_ASSIGN;
		__entry->success_num = ftm_stats->success_num;
		__entry->partial_num = ftm_stats->partial_num;
		__entry->failed_num = ftm_stats->failed_num;
		__entry->asap_num = ftm_stats->asap_num;
		__entry->non_asap_num = ftm_stats->non_asap_num;
		__entry->duration = ftm_stats->total_duration_ms;
		__entry->unknown_triggers = ftm_stats->unknown_triggers_num;
		__entry->reschedule = ftm_stats->reschedule_requests_num;
		__entry->out_of_window = ftm_stats->out_of_window_triggers_num;
	),

	TP_printk(WIPHY_PR_FMT "Ftm responder stats: success %u, partial %u, "
		"failed %u, asap %u, non asap %u, total duration %llu, unknown "
		"triggers %u, rescheduled %u, out of window %u", WIPHY_PR_ARG,
		__entry->success_num, __entry->partial_num, __entry->failed_num,
		__entry->asap_num, __entry->non_asap_num, __entry->duration,
		__entry->unknown_triggers, __entry->reschedule,
		__entry->out_of_window)
);
#endif /* !__RDEV_OPS_TRACE || TRACE_HEADER_MULTI_READ */
#endif /* !__RDEV_OPS_TRACE || TRACE_HEADER_MULTI_READ */


#undef TRACE_INCLUDE_PATH
#undef TRACE_INCLUDE_PATH