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cfg80211: clarify LCI/civic location documentation

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The older code and current userspace assumed that this data
is the content of the Measurement Report element, starting
with the Measurement Token. Clarify this in the documentation.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This commit is contained in:
Johannes Berg 2018-12-15 11:03:23 +02:00
parent 554be83330
commit 30db641ef4
2 changed files with 16 additions and 6 deletions
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6
include/net/cfg80211.h
View file

@ -777,8 +777,10 @@ struct cfg80211_crypto_settings {
* @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: Measurement Report element content, starting with Measurement Token
* (measurement type 8)
* @civicloc: Measurement Report element content, starting with Measurement
* Token (measurement type 11)
* @lci_len: LCI data length
* @civicloc_len: Civic location data length
*/

16
include/uapi/linux/nl80211.h
View file

@ -5893,9 +5893,11 @@ enum nl80211_external_auth_action {
* @__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)
* (9.4.2.22 in 802.11-2016) with type 8 - LCI (9.4.2.22.10),
* i.e. starting with the measurement token
* @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)
* (9.4.2.22 in 802.11-2016) with type 11 - Civic (Section 9.4.2.22.13),
* i.e. starting with the measurement token
* @__NL80211_FTM_RESP_ATTR_LAST: Internal
* @NL80211_FTM_RESP_ATTR_MAX: highest FTM responder attribute.
*/
@ -6295,9 +6297,15 @@ enum nl80211_peer_measurement_ftm_failure_reasons {
* @NL80211_PMSR_FTM_RESP_ATTR_DIST_VARIANCE: distance variance (u64, mm^2, note
* that standard deviation is the square root of variance, optional)
* @NL80211_PMSR_FTM_RESP_ATTR_DIST_SPREAD: distance spread (u64, mm, optional)
* @NL80211_PMSR_FTM_RESP_ATTR_LCI: LCI data from peer (binary, optional)
* @NL80211_PMSR_FTM_RESP_ATTR_LCI: LCI data from peer (binary, optional);
* this is the contents of the Measurement Report Element (802.11-2016
* 9.4.2.22.1) starting with the Measurement Token, with Measurement
* Type 8.
* @NL80211_PMSR_FTM_RESP_ATTR_CIVICLOC: civic location data from peer
* (binary, optional)
* (binary, optional);
* this is the contents of the Measurement Report Element (802.11-2016
* 9.4.2.22.1) starting with the Measurement Token, with Measurement
* Type 11.
* @NL80211_PMSR_FTM_RESP_ATTR_PAD: ignore, for u64/s64 padding only
*
* @NUM_NL80211_PMSR_FTM_RESP_ATTR: internal