diff options
| author | Avraham Stern <avraham.stern@intel.com> | 2020-01-31 13:12:38 +0200 |
|---|---|---|
| committer | Johannes Berg <johannes.berg@intel.com> | 2020-03-20 14:42:19 +0100 |
| commit | efb5520d0e0039537a9da5a420e40afefa9a5dd5 (patch) | |
| tree | 040a44d90d24bce02374494390644383b7e713ef /net/wireless | |
| parent | 95247705c4fdb0057de6d9a98a094cf193d4885c (diff) | |
| download | linux-efb5520d0e0039537a9da5a420e40afefa9a5dd5.tar.gz linux-efb5520d0e0039537a9da5a420e40afefa9a5dd5.tar.bz2 linux-efb5520d0e0039537a9da5a420e40afefa9a5dd5.zip | |
nl80211/cfg80211: add support for non EDCA based ranging measurement
Add support for requesting that the ranging measurement will use
the trigger-based / non trigger-based flow instead of the EDCA based
flow.
Signed-off-by: Avraham Stern <avraham.stern@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Link: https://lore.kernel.org/r/20200131111300.891737-2-luca@coelho.fi
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Diffstat (limited to 'net/wireless')
| -rw-r--r-- | net/wireless/core.c | 6 | ||||
| -rw-r--r-- | net/wireless/nl80211.c | 8 | ||||
| -rw-r--r-- | net/wireless/pmsr.c | 32 |
3 files changed, 46 insertions, 0 deletions
diff --git a/net/wireless/core.c b/net/wireless/core.c index 3e25229a059d..341402b4f178 100644 --- a/net/wireless/core.c +++ b/net/wireless/core.c @@ -693,8 +693,14 @@ int wiphy_register(struct wiphy *wiphy) ~(BIT(NL80211_PREAMBLE_LEGACY) | BIT(NL80211_PREAMBLE_HT) | BIT(NL80211_PREAMBLE_VHT) | + BIT(NL80211_PREAMBLE_HE) | BIT(NL80211_PREAMBLE_DMG)))) return -EINVAL; + if (WARN_ON((wiphy->pmsr_capa->ftm.trigger_based || + wiphy->pmsr_capa->ftm.non_trigger_based) && + !(wiphy->pmsr_capa->ftm.preambles & + BIT(NL80211_PREAMBLE_HE)))) + return -EINVAL; if (WARN_ON(wiphy->pmsr_capa->ftm.bandwidths & ~(BIT(NL80211_CHAN_WIDTH_20_NOHT) | BIT(NL80211_CHAN_WIDTH_20) | diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c index 6d76162256b4..6dd6db61c80b 100644 --- a/net/wireless/nl80211.c +++ b/net/wireless/nl80211.c @@ -276,6 +276,8 @@ nl80211_pmsr_ftm_req_attr_policy[NL80211_PMSR_FTM_REQ_ATTR_MAX + 1] = { [NL80211_PMSR_FTM_REQ_ATTR_NUM_FTMR_RETRIES] = { .type = NLA_U8 }, [NL80211_PMSR_FTM_REQ_ATTR_REQUEST_LCI] = { .type = NLA_FLAG }, [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 }, }; static const struct nla_policy @@ -1885,6 +1887,12 @@ nl80211_send_pmsr_ftm_capa(const struct cfg80211_pmsr_capabilities *cap, nla_put_u32(msg, NL80211_PMSR_FTM_CAPA_ATTR_MAX_FTMS_PER_BURST, cap->ftm.max_ftms_per_burst)) return -ENOBUFS; + if (cap->ftm.trigger_based && + nla_put_flag(msg, NL80211_PMSR_FTM_CAPA_ATTR_TRIGGER_BASED)) + return -ENOBUFS; + if (cap->ftm.non_trigger_based && + nla_put_flag(msg, NL80211_PMSR_FTM_CAPA_ATTR_NON_TRIGGER_BASED)) + return -ENOBUFS; nla_nest_end(msg, ftm); return 0; diff --git a/net/wireless/pmsr.c b/net/wireless/pmsr.c index c09fbf09549d..63dc8023447f 100644 --- a/net/wireless/pmsr.c +++ b/net/wireless/pmsr.c @@ -126,6 +126,38 @@ static int pmsr_parse_ftm(struct cfg80211_registered_device *rdev, "FTM: civic location request not supported"); } + out->ftm.trigger_based = + !!tb[NL80211_PMSR_FTM_REQ_ATTR_TRIGGER_BASED]; + if (out->ftm.trigger_based && !capa->ftm.trigger_based) { + NL_SET_ERR_MSG_ATTR(info->extack, + tb[NL80211_PMSR_FTM_REQ_ATTR_TRIGGER_BASED], + "FTM: trigger based ranging is not supported"); + return -EINVAL; + } + + out->ftm.non_trigger_based = + !!tb[NL80211_PMSR_FTM_REQ_ATTR_NON_TRIGGER_BASED]; + if (out->ftm.non_trigger_based && !capa->ftm.non_trigger_based) { + NL_SET_ERR_MSG_ATTR(info->extack, + tb[NL80211_PMSR_FTM_REQ_ATTR_NON_TRIGGER_BASED], + "FTM: trigger based ranging is not supported"); + return -EINVAL; + } + + if (out->ftm.trigger_based && out->ftm.non_trigger_based) { + NL_SET_ERR_MSG(info->extack, + "FTM: can't set both trigger based and non trigger based"); + return -EINVAL; + } + + if ((out->ftm.trigger_based || out->ftm.non_trigger_based) && + out->ftm.preamble != NL80211_PREAMBLE_HE) { + NL_SET_ERR_MSG_ATTR(info->extack, + tb[NL80211_PMSR_FTM_REQ_ATTR_PREAMBLE], + "FTM: non EDCA based ranging must use HE preamble"); + return -EINVAL; + } + return 0; } |