diff options
| author | Avraham Stern | 2021-04-09 12:40:25 +0300 |
|---|---|---|
| committer | Johannes Berg | 2021-04-19 12:02:51 +0200 |
| commit | 73807523f9a6612106582ab19217f280ed128f24 (patch) | |
| tree | 45242830651a0ac67754227b44a9f5f5012ca087 | |
| parent | efce5b50bad8b63d07719318c34a664ccdb56b70 (diff) | |
nl80211/cfg80211: add a flag to negotiate for LMR feedback in NDP ranging
Add a flag that indicates that the ISTA shall indicate support for
LMR feedback in NDP ranging negotiation.
Signed-off-by: Avraham Stern <avraham.stern@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Link: https://lore.kernel.org/r/iwlwifi.20210409123755.eff546283504.I2606161e700ac24d94d0b50c8edcdedd4c0395c2@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
| -rw-r--r-- | include/net/cfg80211.h | 5 | ||||
| -rw-r--r-- | include/uapi/linux/nl80211.h | 4 | ||||
| -rw-r--r-- | net/wireless/nl80211.c | 1 | ||||
| -rw-r--r-- | net/wireless/pmsr.c | 12 |
4 files changed, 20 insertions, 2 deletions
diff --git a/include/net/cfg80211.h b/include/net/cfg80211.h index 73b17ea89248..5224f885a99a 100644 --- a/include/net/cfg80211.h +++ b/include/net/cfg80211.h @@ -3521,6 +3521,8 @@ struct cfg80211_pmsr_result { * @non_trigger_based: use non trigger based ranging for the measurement * If neither @trigger_based nor @non_trigger_based is set, * EDCA based ranging will be used. + * @lmr_feedback: negotiate for I2R LMR feedback. Only valid if either + * @trigger_based or @non_trigger_based is set. * * See also nl80211 for the respective attribute documentation. */ @@ -3532,7 +3534,8 @@ struct cfg80211_pmsr_ftm_request_peer { request_lci:1, request_civicloc:1, trigger_based:1, - non_trigger_based:1; + non_trigger_based:1, + lmr_feedback:1; u8 num_bursts_exp; u8 burst_duration; u8 ftms_per_burst; diff --git a/include/uapi/linux/nl80211.h b/include/uapi/linux/nl80211.h index 18dfe744bcb5..00f696d177e6 100644 --- a/include/uapi/linux/nl80211.h +++ b/include/uapi/linux/nl80211.h @@ -6896,6 +6896,9 @@ enum nl80211_peer_measurement_ftm_capa { * if neither %NL80211_PMSR_FTM_REQ_ATTR_TRIGGER_BASED nor * %NL80211_PMSR_FTM_REQ_ATTR_NON_TRIGGER_BASED is set, EDCA based * ranging will be used. + * @NL80211_PMSR_FTM_REQ_ATTR_LMR_FEEDBACK: negotiate for LMR feedback. Only + * valid if either %NL80211_PMSR_FTM_REQ_ATTR_TRIGGER_BASED or + * %NL80211_PMSR_FTM_REQ_ATTR_NON_TRIGGER_BASED is set. * * @NUM_NL80211_PMSR_FTM_REQ_ATTR: internal * @NL80211_PMSR_FTM_REQ_ATTR_MAX: highest attribute number @@ -6914,6 +6917,7 @@ enum nl80211_peer_measurement_ftm_req { NL80211_PMSR_FTM_REQ_ATTR_REQUEST_CIVICLOC, NL80211_PMSR_FTM_REQ_ATTR_TRIGGER_BASED, NL80211_PMSR_FTM_REQ_ATTR_NON_TRIGGER_BASED, + NL80211_PMSR_FTM_REQ_ATTR_LMR_FEEDBACK, /* keep last */ NUM_NL80211_PMSR_FTM_REQ_ATTR, diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c index adfa07c67b44..aad19348bb46 100644 --- a/net/wireless/nl80211.c +++ b/net/wireless/nl80211.c @@ -309,6 +309,7 @@ nl80211_pmsr_ftm_req_attr_policy[NL80211_PMSR_FTM_REQ_ATTR_MAX + 1] = { [NL80211_PMSR_FTM_REQ_ATTR_REQUEST_CIVICLOC] = { .type = NLA_FLAG }, [NL80211_PMSR_FTM_REQ_ATTR_TRIGGER_BASED] = { .type = NLA_FLAG }, [NL80211_PMSR_FTM_REQ_ATTR_NON_TRIGGER_BASED] = { .type = NLA_FLAG }, + [NL80211_PMSR_FTM_REQ_ATTR_LMR_FEEDBACK] = { .type = NLA_FLAG }, }; static const struct nla_policy diff --git a/net/wireless/pmsr.c b/net/wireless/pmsr.c index a95c79d18349..6bdd96408022 100644 --- a/net/wireless/pmsr.c +++ b/net/wireless/pmsr.c @@ -1,6 +1,6 @@ /* SPDX-License-Identifier: GPL-2.0 */ /* - * Copyright (C) 2018 - 2019 Intel Corporation + * Copyright (C) 2018 - 2021 Intel Corporation */ #ifndef __PMSR_H #define __PMSR_H @@ -158,6 +158,16 @@ static int pmsr_parse_ftm(struct cfg80211_registered_device *rdev, return -EINVAL; } + out->ftm.lmr_feedback = + !!tb[NL80211_PMSR_FTM_REQ_ATTR_LMR_FEEDBACK]; + if (!out->ftm.trigger_based && !out->ftm.non_trigger_based && + out->ftm.lmr_feedback) { + NL_SET_ERR_MSG_ATTR(info->extack, + tb[NL80211_PMSR_FTM_REQ_ATTR_LMR_FEEDBACK], + "FTM: LMR feedback set for EDCA based ranging"); + return -EINVAL; + } + return 0; } |