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-rw-r--r--net/mac80211/vht.c219
1 files changed, 130 insertions, 89 deletions
diff --git a/net/mac80211/vht.c b/net/mac80211/vht.c
index ff26e0c4787b..b2b09d421e8b 100644
--- a/net/mac80211/vht.c
+++ b/net/mac80211/vht.c
@@ -4,7 +4,7 @@
*
* Portions of this file
* Copyright(c) 2015 - 2016 Intel Deutschland GmbH
- * Copyright (C) 2018 - 2021 Intel Corporation
+ * Copyright (C) 2018 - 2022 Intel Corporation
*/
#include <linux/ieee80211.h>
@@ -116,16 +116,16 @@ void
ieee80211_vht_cap_ie_to_sta_vht_cap(struct ieee80211_sub_if_data *sdata,
struct ieee80211_supported_band *sband,
const struct ieee80211_vht_cap *vht_cap_ie,
- struct sta_info *sta)
+ struct link_sta_info *link_sta)
{
- struct ieee80211_sta_vht_cap *vht_cap = &sta->sta.deflink.vht_cap;
+ struct ieee80211_sta_vht_cap *vht_cap = &link_sta->pub->vht_cap;
struct ieee80211_sta_vht_cap own_cap;
u32 cap_info, i;
bool have_80mhz;
memset(vht_cap, 0, sizeof(*vht_cap));
- if (!sta->sta.deflink.ht_cap.ht_supported)
+ if (!link_sta->pub->ht_cap.ht_supported)
return;
if (!vht_cap_ie || !sband->vht_cap.vht_supported)
@@ -162,7 +162,7 @@ ieee80211_vht_cap_ie_to_sta_vht_cap(struct ieee80211_sub_if_data *sdata,
* our own capabilities and then use those below.
*/
if (sdata->vif.type == NL80211_IFTYPE_STATION &&
- !test_sta_flag(sta, WLAN_STA_TDLS_PEER))
+ !test_sta_flag(link_sta->sta, WLAN_STA_TDLS_PEER))
ieee80211_apply_vhtcap_overrides(sdata, &own_cap);
/* take some capabilities as-is */
@@ -286,8 +286,9 @@ ieee80211_vht_cap_ie_to_sta_vht_cap(struct ieee80211_sub_if_data *sdata,
*/
if (vht_cap->vht_mcs.rx_mcs_map == cpu_to_le16(0xFFFF)) {
vht_cap->vht_supported = false;
- sdata_info(sdata, "Ignoring VHT IE from %pM due to invalid rx_mcs_map\n",
- sta->addr);
+ sdata_info(sdata,
+ "Ignoring VHT IE from %pM (link:%pM) due to invalid rx_mcs_map\n",
+ link_sta->sta->addr, link_sta->addr);
return;
}
@@ -295,10 +296,10 @@ ieee80211_vht_cap_ie_to_sta_vht_cap(struct ieee80211_sub_if_data *sdata,
switch (vht_cap->cap & IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_MASK) {
case IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160MHZ:
case IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160_80PLUS80MHZ:
- sta->deflink.cur_max_bandwidth = IEEE80211_STA_RX_BW_160;
+ link_sta->cur_max_bandwidth = IEEE80211_STA_RX_BW_160;
break;
default:
- sta->deflink.cur_max_bandwidth = IEEE80211_STA_RX_BW_80;
+ link_sta->cur_max_bandwidth = IEEE80211_STA_RX_BW_80;
if (!(vht_cap->vht_mcs.tx_highest &
cpu_to_le16(IEEE80211_VHT_EXT_NSS_BW_CAPABLE)))
@@ -310,66 +311,84 @@ ieee80211_vht_cap_ie_to_sta_vht_cap(struct ieee80211_sub_if_data *sdata,
* above) between 160 and 80+80 yet.
*/
if (cap_info & IEEE80211_VHT_CAP_EXT_NSS_BW_MASK)
- sta->deflink.cur_max_bandwidth = IEEE80211_STA_RX_BW_160;
+ link_sta->cur_max_bandwidth =
+ IEEE80211_STA_RX_BW_160;
}
- sta->sta.deflink.bandwidth = ieee80211_sta_cur_vht_bw(sta);
+ link_sta->pub->bandwidth = ieee80211_sta_cur_vht_bw(link_sta);
+ /*
+ * FIXME - should the amsdu len be per link? store per link
+ * and maintain a minimum?
+ */
switch (vht_cap->cap & IEEE80211_VHT_CAP_MAX_MPDU_MASK) {
case IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_11454:
- sta->sta.max_amsdu_len = IEEE80211_MAX_MPDU_LEN_VHT_11454;
+ link_sta->sta->sta.max_amsdu_len = IEEE80211_MAX_MPDU_LEN_VHT_11454;
break;
case IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_7991:
- sta->sta.max_amsdu_len = IEEE80211_MAX_MPDU_LEN_VHT_7991;
+ link_sta->sta->sta.max_amsdu_len = IEEE80211_MAX_MPDU_LEN_VHT_7991;
break;
case IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_3895:
default:
- sta->sta.max_amsdu_len = IEEE80211_MAX_MPDU_LEN_VHT_3895;
+ link_sta->sta->sta.max_amsdu_len = IEEE80211_MAX_MPDU_LEN_VHT_3895;
break;
}
}
/* FIXME: move this to some better location - parses HE/EHT now */
-enum ieee80211_sta_rx_bandwidth ieee80211_sta_cap_rx_bw(struct sta_info *sta)
+enum ieee80211_sta_rx_bandwidth
+ieee80211_sta_cap_rx_bw(struct link_sta_info *link_sta)
{
- struct ieee80211_sta_vht_cap *vht_cap = &sta->sta.deflink.vht_cap;
- struct ieee80211_sta_he_cap *he_cap = &sta->sta.deflink.he_cap;
- struct ieee80211_sta_eht_cap *eht_cap = &sta->sta.deflink.eht_cap;
+ unsigned int link_id = link_sta->link_id;
+ struct ieee80211_sub_if_data *sdata = link_sta->sta->sdata;
+ struct ieee80211_sta_vht_cap *vht_cap = &link_sta->pub->vht_cap;
+ struct ieee80211_sta_he_cap *he_cap = &link_sta->pub->he_cap;
+ struct ieee80211_sta_eht_cap *eht_cap = &link_sta->pub->eht_cap;
u32 cap_width;
if (he_cap->has_he) {
+ struct ieee80211_bss_conf *link_conf;
+ enum ieee80211_sta_rx_bandwidth ret;
u8 info;
+ rcu_read_lock();
+ link_conf = rcu_dereference(sdata->vif.link_conf[link_id]);
+
if (eht_cap->has_eht &&
- sta->sdata->vif.bss_conf.chandef.chan->band ==
- NL80211_BAND_6GHZ) {
+ link_conf->chandef.chan->band == NL80211_BAND_6GHZ) {
info = eht_cap->eht_cap_elem.phy_cap_info[0];
- if (info & IEEE80211_EHT_PHY_CAP0_320MHZ_IN_6GHZ)
- return IEEE80211_STA_RX_BW_320;
+ if (info & IEEE80211_EHT_PHY_CAP0_320MHZ_IN_6GHZ) {
+ ret = IEEE80211_STA_RX_BW_320;
+ goto out;
+ }
}
info = he_cap->he_cap_elem.phy_cap_info[0];
- if (sta->sdata->vif.bss_conf.chandef.chan->band ==
- NL80211_BAND_2GHZ) {
+ if (link_conf->chandef.chan->band == NL80211_BAND_2GHZ) {
if (info & IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_IN_2G)
- return IEEE80211_STA_RX_BW_40;
+ ret = IEEE80211_STA_RX_BW_40;
else
- return IEEE80211_STA_RX_BW_20;
+ ret = IEEE80211_STA_RX_BW_20;
+ goto out;
}
if (info & IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_160MHZ_IN_5G ||
info & IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_80PLUS80_MHZ_IN_5G)
- return IEEE80211_STA_RX_BW_160;
+ ret = IEEE80211_STA_RX_BW_160;
else if (info & IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_80MHZ_IN_5G)
- return IEEE80211_STA_RX_BW_80;
+ ret = IEEE80211_STA_RX_BW_80;
+ else
+ ret = IEEE80211_STA_RX_BW_20;
+out:
+ rcu_read_unlock();
- return IEEE80211_STA_RX_BW_20;
+ return ret;
}
if (!vht_cap->vht_supported)
- return sta->sta.deflink.ht_cap.cap & IEEE80211_HT_CAP_SUP_WIDTH_20_40 ?
+ return link_sta->pub->ht_cap.cap & IEEE80211_HT_CAP_SUP_WIDTH_20_40 ?
IEEE80211_STA_RX_BW_40 :
IEEE80211_STA_RX_BW_20;
@@ -390,16 +409,17 @@ enum ieee80211_sta_rx_bandwidth ieee80211_sta_cap_rx_bw(struct sta_info *sta)
return IEEE80211_STA_RX_BW_80;
}
-enum nl80211_chan_width ieee80211_sta_cap_chan_bw(struct sta_info *sta)
+enum nl80211_chan_width
+ieee80211_sta_cap_chan_bw(struct link_sta_info *link_sta)
{
- struct ieee80211_sta_vht_cap *vht_cap = &sta->sta.deflink.vht_cap;
+ struct ieee80211_sta_vht_cap *vht_cap = &link_sta->pub->vht_cap;
u32 cap_width;
if (!vht_cap->vht_supported) {
- if (!sta->sta.deflink.ht_cap.ht_supported)
+ if (!link_sta->pub->ht_cap.ht_supported)
return NL80211_CHAN_WIDTH_20_NOHT;
- return sta->sta.deflink.ht_cap.cap & IEEE80211_HT_CAP_SUP_WIDTH_20_40 ?
+ return link_sta->pub->ht_cap.cap & IEEE80211_HT_CAP_SUP_WIDTH_20_40 ?
NL80211_CHAN_WIDTH_40 : NL80211_CHAN_WIDTH_20;
}
@@ -414,15 +434,17 @@ enum nl80211_chan_width ieee80211_sta_cap_chan_bw(struct sta_info *sta)
}
enum nl80211_chan_width
-ieee80211_sta_rx_bw_to_chan_width(struct sta_info *sta)
+ieee80211_sta_rx_bw_to_chan_width(struct link_sta_info *link_sta)
{
- enum ieee80211_sta_rx_bandwidth cur_bw = sta->sta.deflink.bandwidth;
- struct ieee80211_sta_vht_cap *vht_cap = &sta->sta.deflink.vht_cap;
+ enum ieee80211_sta_rx_bandwidth cur_bw =
+ link_sta->pub->bandwidth;
+ struct ieee80211_sta_vht_cap *vht_cap =
+ &link_sta->pub->vht_cap;
u32 cap_width;
switch (cur_bw) {
case IEEE80211_STA_RX_BW_20:
- if (!sta->sta.deflink.ht_cap.ht_supported)
+ if (!link_sta->pub->ht_cap.ht_supported)
return NL80211_CHAN_WIDTH_20_NOHT;
else
return NL80211_CHAN_WIDTH_20;
@@ -466,14 +488,24 @@ ieee80211_chan_width_to_rx_bw(enum nl80211_chan_width width)
}
/* FIXME: rename/move - this deals with everything not just VHT */
-enum ieee80211_sta_rx_bandwidth ieee80211_sta_cur_vht_bw(struct sta_info *sta)
+enum ieee80211_sta_rx_bandwidth
+ieee80211_sta_cur_vht_bw(struct link_sta_info *link_sta)
{
- struct ieee80211_sub_if_data *sdata = sta->sdata;
+ struct sta_info *sta = link_sta->sta;
+ struct ieee80211_bss_conf *link_conf;
+ enum nl80211_chan_width bss_width;
enum ieee80211_sta_rx_bandwidth bw;
- enum nl80211_chan_width bss_width = sdata->vif.bss_conf.chandef.width;
- bw = ieee80211_sta_cap_rx_bw(sta);
- bw = min(bw, sta->deflink.cur_max_bandwidth);
+ rcu_read_lock();
+ link_conf = rcu_dereference(sta->sdata->vif.link_conf[link_sta->link_id]);
+ if (WARN_ON(!link_conf))
+ bss_width = NL80211_CHAN_WIDTH_20_NOHT;
+ else
+ bss_width = link_conf->chandef.width;
+ rcu_read_unlock();
+
+ bw = ieee80211_sta_cap_rx_bw(link_sta);
+ bw = min(bw, link_sta->cur_max_bandwidth);
/* Don't consider AP's bandwidth for TDLS peers, section 11.23.1 of
* IEEE80211-2016 specification makes higher bandwidth operation
@@ -495,18 +527,18 @@ enum ieee80211_sta_rx_bandwidth ieee80211_sta_cur_vht_bw(struct sta_info *sta)
return bw;
}
-void ieee80211_sta_set_rx_nss(struct sta_info *sta)
+void ieee80211_sta_set_rx_nss(struct link_sta_info *link_sta)
{
u8 ht_rx_nss = 0, vht_rx_nss = 0, he_rx_nss = 0, eht_rx_nss = 0, rx_nss;
bool support_160;
/* if we received a notification already don't overwrite it */
- if (sta->sta.deflink.rx_nss)
+ if (link_sta->pub->rx_nss)
return;
- if (sta->sta.deflink.eht_cap.has_eht) {
+ if (link_sta->pub->eht_cap.has_eht) {
int i;
- const u8 *rx_nss_mcs = (void *)&sta->sta.deflink.eht_cap.eht_mcs_nss_supp;
+ const u8 *rx_nss_mcs = (void *)&link_sta->pub->eht_cap.eht_mcs_nss_supp;
/* get the max nss for EHT over all possible bandwidths and mcs */
for (i = 0; i < sizeof(struct ieee80211_eht_mcs_nss_supp); i++)
@@ -515,10 +547,10 @@ void ieee80211_sta_set_rx_nss(struct sta_info *sta)
IEEE80211_EHT_MCS_NSS_RX));
}
- if (sta->sta.deflink.he_cap.has_he) {
+ if (link_sta->pub->he_cap.has_he) {
int i;
u8 rx_mcs_80 = 0, rx_mcs_160 = 0;
- const struct ieee80211_sta_he_cap *he_cap = &sta->sta.deflink.he_cap;
+ const struct ieee80211_sta_he_cap *he_cap = &link_sta->pub->he_cap;
u16 mcs_160_map =
le16_to_cpu(he_cap->he_mcs_nss_supp.rx_mcs_160);
u16 mcs_80_map = le16_to_cpu(he_cap->he_mcs_nss_supp.rx_mcs_80);
@@ -549,23 +581,23 @@ void ieee80211_sta_set_rx_nss(struct sta_info *sta)
he_rx_nss = rx_mcs_80;
}
- if (sta->sta.deflink.ht_cap.ht_supported) {
- if (sta->sta.deflink.ht_cap.mcs.rx_mask[0])
+ if (link_sta->pub->ht_cap.ht_supported) {
+ if (link_sta->pub->ht_cap.mcs.rx_mask[0])
ht_rx_nss++;
- if (sta->sta.deflink.ht_cap.mcs.rx_mask[1])
+ if (link_sta->pub->ht_cap.mcs.rx_mask[1])
ht_rx_nss++;
- if (sta->sta.deflink.ht_cap.mcs.rx_mask[2])
+ if (link_sta->pub->ht_cap.mcs.rx_mask[2])
ht_rx_nss++;
- if (sta->sta.deflink.ht_cap.mcs.rx_mask[3])
+ if (link_sta->pub->ht_cap.mcs.rx_mask[3])
ht_rx_nss++;
/* FIXME: consider rx_highest? */
}
- if (sta->sta.deflink.vht_cap.vht_supported) {
+ if (link_sta->pub->vht_cap.vht_supported) {
int i;
u16 rx_mcs_map;
- rx_mcs_map = le16_to_cpu(sta->sta.deflink.vht_cap.vht_mcs.rx_mcs_map);
+ rx_mcs_map = le16_to_cpu(link_sta->pub->vht_cap.vht_mcs.rx_mcs_map);
for (i = 7; i >= 0; i--) {
u8 mcs = (rx_mcs_map >> (2 * i)) & 3;
@@ -581,12 +613,12 @@ void ieee80211_sta_set_rx_nss(struct sta_info *sta)
rx_nss = max(vht_rx_nss, ht_rx_nss);
rx_nss = max(he_rx_nss, rx_nss);
rx_nss = max(eht_rx_nss, rx_nss);
- sta->sta.deflink.rx_nss = max_t(u8, 1, rx_nss);
+ link_sta->pub->rx_nss = max_t(u8, 1, rx_nss);
}
u32 __ieee80211_vht_handle_opmode(struct ieee80211_sub_if_data *sdata,
- struct sta_info *sta, u8 opmode,
- enum nl80211_band band)
+ struct link_sta_info *link_sta,
+ u8 opmode, enum nl80211_band band)
{
enum ieee80211_sta_rx_bandwidth new_bw;
struct sta_opmode_info sta_opmode = {};
@@ -601,8 +633,8 @@ u32 __ieee80211_vht_handle_opmode(struct ieee80211_sub_if_data *sdata,
nss >>= IEEE80211_OPMODE_NOTIF_RX_NSS_SHIFT;
nss += 1;
- if (sta->sta.deflink.rx_nss != nss) {
- sta->sta.deflink.rx_nss = nss;
+ if (link_sta->pub->rx_nss != nss) {
+ link_sta->pub->rx_nss = nss;
sta_opmode.rx_nss = nss;
changed |= IEEE80211_RC_NSS_CHANGED;
sta_opmode.changed |= STA_OPMODE_N_SS_CHANGED;
@@ -611,88 +643,97 @@ u32 __ieee80211_vht_handle_opmode(struct ieee80211_sub_if_data *sdata,
switch (opmode & IEEE80211_OPMODE_NOTIF_CHANWIDTH_MASK) {
case IEEE80211_OPMODE_NOTIF_CHANWIDTH_20MHZ:
/* ignore IEEE80211_OPMODE_NOTIF_BW_160_80P80 must not be set */
- sta->deflink.cur_max_bandwidth = IEEE80211_STA_RX_BW_20;
+ link_sta->cur_max_bandwidth = IEEE80211_STA_RX_BW_20;
break;
case IEEE80211_OPMODE_NOTIF_CHANWIDTH_40MHZ:
/* ignore IEEE80211_OPMODE_NOTIF_BW_160_80P80 must not be set */
- sta->deflink.cur_max_bandwidth = IEEE80211_STA_RX_BW_40;
+ link_sta->cur_max_bandwidth = IEEE80211_STA_RX_BW_40;
break;
case IEEE80211_OPMODE_NOTIF_CHANWIDTH_80MHZ:
if (opmode & IEEE80211_OPMODE_NOTIF_BW_160_80P80)
- sta->deflink.cur_max_bandwidth = IEEE80211_STA_RX_BW_160;
+ link_sta->cur_max_bandwidth = IEEE80211_STA_RX_BW_160;
else
- sta->deflink.cur_max_bandwidth = IEEE80211_STA_RX_BW_80;
+ link_sta->cur_max_bandwidth = IEEE80211_STA_RX_BW_80;
break;
case IEEE80211_OPMODE_NOTIF_CHANWIDTH_160MHZ:
/* legacy only, no longer used by newer spec */
- sta->deflink.cur_max_bandwidth = IEEE80211_STA_RX_BW_160;
+ link_sta->cur_max_bandwidth = IEEE80211_STA_RX_BW_160;
break;
}
- new_bw = ieee80211_sta_cur_vht_bw(sta);
- if (new_bw != sta->sta.deflink.bandwidth) {
- sta->sta.deflink.bandwidth = new_bw;
- sta_opmode.bw = ieee80211_sta_rx_bw_to_chan_width(sta);
+ new_bw = ieee80211_sta_cur_vht_bw(link_sta);
+ if (new_bw != link_sta->pub->bandwidth) {
+ link_sta->pub->bandwidth = new_bw;
+ sta_opmode.bw = ieee80211_sta_rx_bw_to_chan_width(link_sta);
changed |= IEEE80211_RC_BW_CHANGED;
sta_opmode.changed |= STA_OPMODE_MAX_BW_CHANGED;
}
if (sta_opmode.changed)
- cfg80211_sta_opmode_change_notify(sdata->dev, sta->addr,
+ cfg80211_sta_opmode_change_notify(sdata->dev, link_sta->addr,
&sta_opmode, GFP_KERNEL);
return changed;
}
void ieee80211_process_mu_groups(struct ieee80211_sub_if_data *sdata,
+ struct ieee80211_link_data *link,
struct ieee80211_mgmt *mgmt)
{
- struct ieee80211_bss_conf *bss_conf = &sdata->vif.bss_conf;
+ struct ieee80211_bss_conf *link_conf = link->conf;
- if (!sdata->vif.mu_mimo_owner)
+ if (!link_conf->mu_mimo_owner)
return;
if (!memcmp(mgmt->u.action.u.vht_group_notif.position,
- bss_conf->mu_group.position, WLAN_USER_POSITION_LEN) &&
+ link_conf->mu_group.position, WLAN_USER_POSITION_LEN) &&
!memcmp(mgmt->u.action.u.vht_group_notif.membership,
- bss_conf->mu_group.membership, WLAN_MEMBERSHIP_LEN))
+ link_conf->mu_group.membership, WLAN_MEMBERSHIP_LEN))
return;
- memcpy(bss_conf->mu_group.membership,
+ memcpy(link_conf->mu_group.membership,
mgmt->u.action.u.vht_group_notif.membership,
WLAN_MEMBERSHIP_LEN);
- memcpy(bss_conf->mu_group.position,
+ memcpy(link_conf->mu_group.position,
mgmt->u.action.u.vht_group_notif.position,
WLAN_USER_POSITION_LEN);
- ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_MU_GROUPS);
+ ieee80211_link_info_change_notify(sdata, link,
+ BSS_CHANGED_MU_GROUPS);
}
-void ieee80211_update_mu_groups(struct ieee80211_vif *vif,
+void ieee80211_update_mu_groups(struct ieee80211_vif *vif, unsigned int link_id,
const u8 *membership, const u8 *position)
{
- struct ieee80211_bss_conf *bss_conf = &vif->bss_conf;
+ struct ieee80211_bss_conf *link_conf;
- if (WARN_ON_ONCE(!vif->mu_mimo_owner))
- return;
+ rcu_read_lock();
+ link_conf = rcu_dereference(vif->link_conf[link_id]);
- memcpy(bss_conf->mu_group.membership, membership, WLAN_MEMBERSHIP_LEN);
- memcpy(bss_conf->mu_group.position, position, WLAN_USER_POSITION_LEN);
+ if (!WARN_ON_ONCE(!link_conf || !link_conf->mu_mimo_owner)) {
+ memcpy(link_conf->mu_group.membership, membership,
+ WLAN_MEMBERSHIP_LEN);
+ memcpy(link_conf->mu_group.position, position,
+ WLAN_USER_POSITION_LEN);
+ }
+ rcu_read_unlock();
}
EXPORT_SYMBOL_GPL(ieee80211_update_mu_groups);
void ieee80211_vht_handle_opmode(struct ieee80211_sub_if_data *sdata,
- struct sta_info *sta, u8 opmode,
- enum nl80211_band band)
+ struct link_sta_info *link_sta,
+ u8 opmode, enum nl80211_band band)
{
struct ieee80211_local *local = sdata->local;
struct ieee80211_supported_band *sband = local->hw.wiphy->bands[band];
- u32 changed = __ieee80211_vht_handle_opmode(sdata, sta, opmode, band);
+ u32 changed = __ieee80211_vht_handle_opmode(sdata, link_sta,
+ opmode, band);
if (changed > 0) {
- ieee80211_recalc_min_chandef(sdata);
- rate_control_rate_update(local, sband, sta, changed);
+ ieee80211_recalc_min_chandef(sdata, link_sta->link_id);
+ rate_control_rate_update(local, sband, link_sta->sta,
+ link_sta->link_id, changed);
}
}
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-25 12:16:08 +0000