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wifi: iwlwifi: mvm: add support for timing measurement

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Add support for timing measurement in extended capabilities, used for
time synchronization.

Signed-off-by: Krishnanand Prabhu <krishnanand.prabhu@intel.com>
Signed-off-by: Gregory Greenman <gregory.greenman@intel.com>
Link: https://lore.kernel.org/r/20230320122330.001d2b459ece.I15ab8fc214edc35f1f362006a9e1a22b89e7ed8e@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This commit is contained in:
Krishnanand Prabhu 2023-03-20 12:33:05 +02:00 committed by Johannes Berg
parent c7eca79def
commit 8e33f046ff
1 changed files with 41 additions and 3 deletions
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44
drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c
View File

@ -222,19 +222,39 @@ int iwl_mvm_init_fw_regd(struct iwl_mvm *mvm)
return ret;
}
/* Each capability added here should also be add to tm_if_types_ext_capa_sta */
static const u8 he_if_types_ext_capa_sta[] = {
[0] = WLAN_EXT_CAPA1_EXT_CHANNEL_SWITCHING,
[2] = WLAN_EXT_CAPA3_MULTI_BSSID_SUPPORT,
[7] = WLAN_EXT_CAPA8_OPMODE_NOTIF,
};
static const struct wiphy_iftype_ext_capab he_iftypes_ext_capa[] = {
static const u8 tm_if_types_ext_capa_sta[] = {
[0] = WLAN_EXT_CAPA1_EXT_CHANNEL_SWITCHING,
[2] = WLAN_EXT_CAPA3_MULTI_BSSID_SUPPORT |
WLAN_EXT_CAPA3_TIMING_MEASUREMENT_SUPPORT,
[7] = WLAN_EXT_CAPA8_OPMODE_NOTIF,
[9] = WLAN_EXT_CAPA10_TWT_REQUESTER_SUPPORT,
};
/* Additional interface types for which extended capabilities are
* specified separately
*/
static const struct wiphy_iftype_ext_capab add_iftypes_ext_capa[] = {
{
.iftype = NL80211_IFTYPE_STATION,
.extended_capabilities = he_if_types_ext_capa_sta,
.extended_capabilities_mask = he_if_types_ext_capa_sta,
.extended_capabilities_len = sizeof(he_if_types_ext_capa_sta),
},
{
.iftype = NL80211_IFTYPE_STATION,
.extended_capabilities = tm_if_types_ext_capa_sta,
.extended_capabilities_mask = tm_if_types_ext_capa_sta,
.extended_capabilities_len = sizeof(tm_if_types_ext_capa_sta),
/* relevant only if EHT is supported */
.eml_capabilities = IEEE80211_EML_CAP_EMLSR_SUPP,
},
};
static int
@ -562,16 +582,34 @@ int iwl_mvm_mac_setup_register(struct iwl_mvm *mvm)
NL80211_EXT_FEATURE_OCE_PROBE_REQ_DEFERRAL_SUPPRESSION);
}
hw->wiphy->iftype_ext_capab = NULL;
hw->wiphy->num_iftype_ext_capab = 0;
if (mvm->nvm_data->sku_cap_11ax_enable &&
!iwlwifi_mod_params.disable_11ax) {
hw->wiphy->iftype_ext_capab = he_iftypes_ext_capa;
hw->wiphy->iftype_ext_capab = add_iftypes_ext_capa;
hw->wiphy->num_iftype_ext_capab =
ARRAY_SIZE(he_iftypes_ext_capa);
ARRAY_SIZE(add_iftypes_ext_capa) - 1;
ieee80211_hw_set(hw, SUPPORTS_MULTI_BSSID);
ieee80211_hw_set(hw, SUPPORTS_ONLY_HE_MULTI_BSSID);
}
if (iwl_fw_lookup_cmd_ver(mvm->fw,
WIDE_ID(DATA_PATH_GROUP,
WNM_80211V_TIMING_MEASUREMENT_CONFIG_CMD),
IWL_FW_CMD_VER_UNKNOWN) >= 1) {
IWL_DEBUG_INFO(mvm->trans, "Timing measurement supported\n");
if (!hw->wiphy->iftype_ext_capab) {
hw->wiphy->num_iftype_ext_capab = 1;
hw->wiphy->iftype_ext_capab = add_iftypes_ext_capa +
ARRAY_SIZE(add_iftypes_ext_capa) - 1;
} else {
hw->wiphy->iftype_ext_capab = add_iftypes_ext_capa + 1;
}
}
mvm->rts_threshold = IEEE80211_MAX_RTS_THRESHOLD;
#ifdef CONFIG_PM_SLEEP