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-rw-r--r--net/mac80211/agg-rx.c3
-rw-r--r--net/mac80211/agg-tx.c4
-rw-r--r--net/mac80211/cfg.c25
-rw-r--r--net/mac80211/ibss.c2
-rw-r--r--net/mac80211/key.c2
-rw-r--r--net/mac80211/mesh_hwmp.c2
-rw-r--r--net/mac80211/mesh_plink.c4
-rw-r--r--net/mac80211/mlme.c10
-rw-r--r--net/mac80211/rx.c119
-rw-r--r--net/mac80211/sta_info.c18
-rw-r--r--net/mac80211/sta_info.h29
-rw-r--r--net/mac80211/status.c8
-rw-r--r--net/mac80211/tx.c9
13 files changed, 134 insertions, 101 deletions
diff --git a/net/mac80211/agg-rx.c b/net/mac80211/agg-rx.c
index 51c7dc3c4c3..f16d49d474b 100644
--- a/net/mac80211/agg-rx.c
+++ b/net/mac80211/agg-rx.c
@@ -83,12 +83,11 @@ void __ieee80211_stop_rx_ba_session(struct sta_info *sta, u16 tid,
void ieee80211_sta_stop_rx_ba_session(struct ieee80211_sub_if_data *sdata, u8 *ra, u16 tid,
u16 initiator, u16 reason)
{
- struct ieee80211_local *local = sdata->local;
struct sta_info *sta;
rcu_read_lock();
- sta = sta_info_get(local, ra);
+ sta = sta_info_get(sdata, ra);
if (!sta) {
rcu_read_unlock();
return;
diff --git a/net/mac80211/agg-tx.c b/net/mac80211/agg-tx.c
index 5e3a7eccef5..b05de532c37 100644
--- a/net/mac80211/agg-tx.c
+++ b/net/mac80211/agg-tx.c
@@ -441,7 +441,7 @@ void ieee80211_start_tx_ba_cb(struct ieee80211_vif *vif, u8 *ra, u16 tid)
}
rcu_read_lock();
- sta = sta_info_get(local, ra);
+ sta = sta_info_get(sdata, ra);
if (!sta) {
rcu_read_unlock();
#ifdef CONFIG_MAC80211_HT_DEBUG
@@ -564,7 +564,7 @@ void ieee80211_stop_tx_ba_cb(struct ieee80211_vif *vif, u8 *ra, u8 tid)
#endif /* CONFIG_MAC80211_HT_DEBUG */
rcu_read_lock();
- sta = sta_info_get(local, ra);
+ sta = sta_info_get(sdata, ra);
if (!sta) {
#ifdef CONFIG_MAC80211_HT_DEBUG
printk(KERN_DEBUG "Could not find station: %pM\n", ra);
diff --git a/net/mac80211/cfg.c b/net/mac80211/cfg.c
index 93ee1fd5c08..14e1f4015a7 100644
--- a/net/mac80211/cfg.c
+++ b/net/mac80211/cfg.c
@@ -150,7 +150,7 @@ static int ieee80211_add_key(struct wiphy *wiphy, struct net_device *dev,
rcu_read_lock();
if (mac_addr) {
- sta = sta_info_get(sdata->local, mac_addr);
+ sta = sta_info_get(sdata, mac_addr);
if (!sta) {
ieee80211_key_free(key);
err = -ENOENT;
@@ -181,7 +181,7 @@ static int ieee80211_del_key(struct wiphy *wiphy, struct net_device *dev,
if (mac_addr) {
ret = -ENOENT;
- sta = sta_info_get(sdata->local, mac_addr);
+ sta = sta_info_get(sdata, mac_addr);
if (!sta)
goto out_unlock;
@@ -228,7 +228,7 @@ static int ieee80211_get_key(struct wiphy *wiphy, struct net_device *dev,
rcu_read_lock();
if (mac_addr) {
- sta = sta_info_get(sdata->local, mac_addr);
+ sta = sta_info_get(sdata, mac_addr);
if (!sta)
goto out;
@@ -414,15 +414,13 @@ static int ieee80211_dump_station(struct wiphy *wiphy, struct net_device *dev,
static int ieee80211_get_station(struct wiphy *wiphy, struct net_device *dev,
u8 *mac, struct station_info *sinfo)
{
- struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
+ struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
struct sta_info *sta;
int ret = -ENOENT;
rcu_read_lock();
- /* XXX: verify sta->dev == dev */
-
- sta = sta_info_get(local, mac);
+ sta = sta_info_get(sdata, mac);
if (sta) {
ret = 0;
sta_set_sinfo(sta, sinfo);
@@ -778,8 +776,7 @@ static int ieee80211_del_station(struct wiphy *wiphy, struct net_device *dev,
if (mac) {
rcu_read_lock();
- /* XXX: get sta belonging to dev */
- sta = sta_info_get(local, mac);
+ sta = sta_info_get(sdata, mac);
if (!sta) {
rcu_read_unlock();
return -ENOENT;
@@ -800,14 +797,14 @@ static int ieee80211_change_station(struct wiphy *wiphy,
u8 *mac,
struct station_parameters *params)
{
+ struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
struct ieee80211_local *local = wiphy_priv(wiphy);
struct sta_info *sta;
struct ieee80211_sub_if_data *vlansdata;
rcu_read_lock();
- /* XXX: get sta belonging to dev */
- sta = sta_info_get(local, mac);
+ sta = sta_info_get(sdata, mac);
if (!sta) {
rcu_read_unlock();
return -ENOENT;
@@ -846,7 +843,6 @@ static int ieee80211_change_station(struct wiphy *wiphy,
static int ieee80211_add_mpath(struct wiphy *wiphy, struct net_device *dev,
u8 *dst, u8 *next_hop)
{
- struct ieee80211_local *local = wiphy_priv(wiphy);
struct ieee80211_sub_if_data *sdata;
struct mesh_path *mpath;
struct sta_info *sta;
@@ -855,7 +851,7 @@ static int ieee80211_add_mpath(struct wiphy *wiphy, struct net_device *dev,
sdata = IEEE80211_DEV_TO_SUB_IF(dev);
rcu_read_lock();
- sta = sta_info_get(local, next_hop);
+ sta = sta_info_get(sdata, next_hop);
if (!sta) {
rcu_read_unlock();
return -ENOENT;
@@ -894,7 +890,6 @@ static int ieee80211_change_mpath(struct wiphy *wiphy,
struct net_device *dev,
u8 *dst, u8 *next_hop)
{
- struct ieee80211_local *local = wiphy_priv(wiphy);
struct ieee80211_sub_if_data *sdata;
struct mesh_path *mpath;
struct sta_info *sta;
@@ -903,7 +898,7 @@ static int ieee80211_change_mpath(struct wiphy *wiphy,
rcu_read_lock();
- sta = sta_info_get(local, next_hop);
+ sta = sta_info_get(sdata, next_hop);
if (!sta) {
rcu_read_unlock();
return -ENOENT;
diff --git a/net/mac80211/ibss.c b/net/mac80211/ibss.c
index 10d13856f86..1925be9b82f 100644
--- a/net/mac80211/ibss.c
+++ b/net/mac80211/ibss.c
@@ -252,7 +252,7 @@ static void ieee80211_rx_bss_info(struct ieee80211_sub_if_data *sdata,
rcu_read_lock();
- sta = sta_info_get(local, mgmt->sa);
+ sta = sta_info_get(sdata, mgmt->sa);
if (sta) {
u32 prev_rates;
diff --git a/net/mac80211/key.c b/net/mac80211/key.c
index 659a42d529e..ac1a777674f 100644
--- a/net/mac80211/key.c
+++ b/net/mac80211/key.c
@@ -421,7 +421,7 @@ void ieee80211_key_link(struct ieee80211_key *key,
*/
/* same here, the AP could be using QoS */
- ap = sta_info_get(key->local, key->sdata->u.mgd.bssid);
+ ap = sta_info_get(key->sdata, key->sdata->u.mgd.bssid);
if (ap) {
if (test_sta_flags(ap, WLAN_STA_WME))
key->conf.flags |=
diff --git a/net/mac80211/mesh_hwmp.c b/net/mac80211/mesh_hwmp.c
index 833b2f3670c..b836892f0ba 100644
--- a/net/mac80211/mesh_hwmp.c
+++ b/net/mac80211/mesh_hwmp.c
@@ -335,7 +335,7 @@ static u32 hwmp_route_info_get(struct ieee80211_sub_if_data *sdata,
bool process = true;
rcu_read_lock();
- sta = sta_info_get(local, mgmt->sa);
+ sta = sta_info_get(sdata, mgmt->sa);
if (!sta) {
rcu_read_unlock();
return 0;
diff --git a/net/mac80211/mesh_plink.c b/net/mac80211/mesh_plink.c
index 0f7c6e6a424..8fcf56ee774 100644
--- a/net/mac80211/mesh_plink.c
+++ b/net/mac80211/mesh_plink.c
@@ -234,7 +234,7 @@ void mesh_neighbour_update(u8 *hw_addr, u32 rates, struct ieee80211_sub_if_data
rcu_read_lock();
- sta = sta_info_get(local, hw_addr);
+ sta = sta_info_get(sdata, hw_addr);
if (!sta) {
sta = mesh_plink_alloc(sdata, hw_addr, rates);
if (!sta) {
@@ -455,7 +455,7 @@ void mesh_rx_plink_frame(struct ieee80211_sub_if_data *sdata, struct ieee80211_m
rcu_read_lock();
- sta = sta_info_get(local, mgmt->sa);
+ sta = sta_info_get(sdata, mgmt->sa);
if (!sta && ftype != PLINK_OPEN) {
mpl_dbg("Mesh plink: cls or cnf from unknown peer\n");
rcu_read_unlock();
diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c
index 6dc7b5ad9a4..c16667a7c8d 100644
--- a/net/mac80211/mlme.c
+++ b/net/mac80211/mlme.c
@@ -202,7 +202,7 @@ static u32 ieee80211_enable_ht(struct ieee80211_sub_if_data *sdata,
ieee80211_hw_config(local, 0);
rcu_read_lock();
- sta = sta_info_get(local, bssid);
+ sta = sta_info_get(sdata, bssid);
if (sta)
rate_control_rate_update(local, sband, sta,
IEEE80211_RC_HT_CHANGED);
@@ -1070,7 +1070,7 @@ static void ieee80211_set_disassoc(struct ieee80211_sub_if_data *sdata,
netif_carrier_off(sdata->dev);
rcu_read_lock();
- sta = sta_info_get(local, bssid);
+ sta = sta_info_get(sdata, bssid);
if (sta)
ieee80211_sta_tear_down_BA_sessions(sta);
rcu_read_unlock();
@@ -1109,7 +1109,7 @@ static void ieee80211_set_disassoc(struct ieee80211_sub_if_data *sdata,
rcu_read_lock();
- sta = sta_info_get(local, bssid);
+ sta = sta_info_get(sdata, bssid);
if (!sta) {
rcu_read_unlock();
return;
@@ -1489,7 +1489,7 @@ ieee80211_rx_mgmt_assoc_resp(struct ieee80211_sub_if_data *sdata,
rcu_read_lock();
/* Add STA entry for the AP */
- sta = sta_info_get(local, wk->bss->cbss.bssid);
+ sta = sta_info_get(sdata, wk->bss->cbss.bssid);
if (!sta) {
newsta = true;
@@ -1857,7 +1857,7 @@ static void ieee80211_rx_mgmt_beacon(struct ieee80211_sub_if_data *sdata,
rcu_read_lock();
- sta = sta_info_get(local, bssid);
+ sta = sta_info_get(sdata, bssid);
if (WARN_ON(!sta)) {
rcu_read_unlock();
return;
diff --git a/net/mac80211/rx.c b/net/mac80211/rx.c
index f237df40837..5bae28693da 100644
--- a/net/mac80211/rx.c
+++ b/net/mac80211/rx.c
@@ -1472,7 +1472,6 @@ ieee80211_deliver_skb(struct ieee80211_rx_data *rx)
{
struct ieee80211_sub_if_data *sdata = rx->sdata;
struct net_device *dev = sdata->dev;
- struct ieee80211_local *local = rx->local;
struct sk_buff *skb, *xmit_skb;
struct ethhdr *ehdr = (struct ethhdr *) rx->skb->data;
struct sta_info *dsta;
@@ -1495,8 +1494,8 @@ ieee80211_deliver_skb(struct ieee80211_rx_data *rx)
printk(KERN_DEBUG "%s: failed to clone "
"multicast frame\n", dev->name);
} else {
- dsta = sta_info_get(local, skb->data);
- if (dsta && dsta->sdata->dev == dev) {
+ dsta = sta_info_get(sdata, skb->data);
+ if (dsta) {
/*
* The destination station is associated to
* this AP (in this VLAN), so send the frame
@@ -2363,6 +2362,8 @@ static void __ieee80211_rx_handle_packet(struct ieee80211_hw *hw,
int prepares;
struct ieee80211_sub_if_data *prev = NULL;
struct sk_buff *skb_new;
+ struct sta_info *sta, *tmp;
+ bool found_sta = false;
hdr = (struct ieee80211_hdr *)skb->data;
memset(&rx, 0, sizeof(rx));
@@ -2379,68 +2380,76 @@ static void __ieee80211_rx_handle_packet(struct ieee80211_hw *hw,
ieee80211_parse_qos(&rx);
ieee80211_verify_alignment(&rx);
- rx.sta = sta_info_get(local, hdr->addr2);
- if (rx.sta)
- rx.sdata = rx.sta->sdata;
-
- if (rx.sdata && ieee80211_is_data(hdr->frame_control)) {
- rx.flags |= IEEE80211_RX_RA_MATCH;
- prepares = prepare_for_handlers(rx.sdata, &rx, hdr);
- if (prepares) {
- if (status->flag & RX_FLAG_MMIC_ERROR) {
- if (rx.flags & IEEE80211_RX_RA_MATCH)
- ieee80211_rx_michael_mic_report(hdr, &rx);
- } else
- prev = rx.sdata;
+ if (ieee80211_is_data(hdr->frame_control)) {
+ for_each_sta_info(local, hdr->addr2, sta, tmp) {
+ rx.sta = sta;
+ found_sta = true;
+ rx.sdata = sta->sdata;
+
+ rx.flags |= IEEE80211_RX_RA_MATCH;
+ prepares = prepare_for_handlers(rx.sdata, &rx, hdr);
+ if (prepares) {
+ if (status->flag & RX_FLAG_MMIC_ERROR) {
+ if (rx.flags & IEEE80211_RX_RA_MATCH)
+ ieee80211_rx_michael_mic_report(hdr, &rx);
+ } else
+ prev = rx.sdata;
+ }
}
- } else list_for_each_entry_rcu(sdata, &local->interfaces, list) {
- if (!netif_running(sdata->dev))
- continue;
+ }
+ if (!found_sta) {
+ list_for_each_entry_rcu(sdata, &local->interfaces, list) {
+ if (!netif_running(sdata->dev))
+ continue;
- if (sdata->vif.type == NL80211_IFTYPE_MONITOR ||
- sdata->vif.type == NL80211_IFTYPE_AP_VLAN)
- continue;
+ if (sdata->vif.type == NL80211_IFTYPE_MONITOR ||
+ sdata->vif.type == NL80211_IFTYPE_AP_VLAN)
+ continue;
- rx.flags |= IEEE80211_RX_RA_MATCH;
- prepares = prepare_for_handlers(sdata, &rx, hdr);
+ rx.sta = sta_info_get(sdata, hdr->addr2);
- if (!prepares)
- continue;
+ rx.flags |= IEEE80211_RX_RA_MATCH;
+ prepares = prepare_for_handlers(sdata, &rx, hdr);
- if (status->flag & RX_FLAG_MMIC_ERROR) {
- rx.sdata = sdata;
- if (rx.flags & IEEE80211_RX_RA_MATCH)
- ieee80211_rx_michael_mic_report(hdr, &rx);
- continue;
- }
+ if (!prepares)
+ continue;
- /*
- * frame is destined for this interface, but if it's not
- * also for the previous one we handle that after the
- * loop to avoid copying the SKB once too much
- */
+ if (status->flag & RX_FLAG_MMIC_ERROR) {
+ rx.sdata = sdata;
+ if (rx.flags & IEEE80211_RX_RA_MATCH)
+ ieee80211_rx_michael_mic_report(hdr,
+ &rx);
+ continue;
+ }
- if (!prev) {
- prev = sdata;
- continue;
- }
+ /*
+ * frame is destined for this interface, but if it's
+ * not also for the previous one we handle that after
+ * the loop to avoid copying the SKB once too much
+ */
- /*
- * frame was destined for the previous interface
- * so invoke RX handlers for it
- */
+ if (!prev) {
+ prev = sdata;
+ continue;
+ }
- skb_new = skb_copy(skb, GFP_ATOMIC);
- if (!skb_new) {
- if (net_ratelimit())
- printk(KERN_DEBUG "%s: failed to copy "
- "multicast frame for %s\n",
- wiphy_name(local->hw.wiphy),
- prev->dev->name);
- continue;
+ /*
+ * frame was destined for the previous interface
+ * so invoke RX handlers for it
+ */
+
+ skb_new = skb_copy(skb, GFP_ATOMIC);
+ if (!skb_new) {
+ if (net_ratelimit())
+ printk(KERN_DEBUG "%s: failed to copy "
+ "multicast frame for %s\n",
+ wiphy_name(local->hw.wiphy),
+ prev->dev->name);
+ continue;
+ }
+ ieee80211_invoke_rx_handlers(prev, &rx, skb_new, rate);
+ prev = sdata;
}
- ieee80211_invoke_rx_handlers(prev, &rx, skb_new, rate);
- prev = sdata;
}
if (prev)
ieee80211_invoke_rx_handlers(prev, &rx, skb, rate);
diff --git a/net/mac80211/sta_info.c b/net/mac80211/sta_info.c
index 71f370dd24b..c58a23eea58 100644
--- a/net/mac80211/sta_info.c
+++ b/net/mac80211/sta_info.c
@@ -103,13 +103,16 @@ static int sta_info_hash_del(struct ieee80211_local *local,
}
/* protected by RCU */
-struct sta_info *sta_info_get(struct ieee80211_local *local, const u8 *addr)
+struct sta_info *sta_info_get(struct ieee80211_sub_if_data *sdata,
+ const u8 *addr)
{
+ struct ieee80211_local *local = sdata->local;
struct sta_info *sta;
sta = rcu_dereference(local->sta_hash[STA_HASH(addr)]);
while (sta) {
- if (memcmp(sta->sta.addr, addr, ETH_ALEN) == 0)
+ if (sta->sdata == sdata &&
+ memcmp(sta->sta.addr, addr, ETH_ALEN) == 0)
break;
sta = rcu_dereference(sta->hnext);
}
@@ -377,7 +380,7 @@ int sta_info_insert(struct sta_info *sta)
spin_lock_irqsave(&local->sta_lock, flags);
/* check if STA exists already */
- if (sta_info_get(local, sta->sta.addr)) {
+ if (sta_info_get(sdata, sta->sta.addr)) {
spin_unlock_irqrestore(&local->sta_lock, flags);
err = -EEXIST;
goto out_free;
@@ -843,11 +846,12 @@ void ieee80211_sta_expire(struct ieee80211_sub_if_data *sdata,
struct ieee80211_sta *ieee80211_find_sta_by_hw(struct ieee80211_hw *hw,
const u8 *addr)
{
- struct sta_info *sta = sta_info_get(hw_to_local(hw), addr);
+ struct sta_info *sta, *nxt;
- if (!sta)
- return NULL;
- return &sta->sta;
+ /* Just return a random station ... first in list ... */
+ for_each_sta_info(hw_to_local(hw), addr, sta, nxt)
+ return &sta->sta;
+ return NULL;
}
EXPORT_SYMBOL_GPL(ieee80211_find_sta_by_hw);
diff --git a/net/mac80211/sta_info.h b/net/mac80211/sta_info.h
index b4810f6aa94..c8208236e89 100644
--- a/net/mac80211/sta_info.h
+++ b/net/mac80211/sta_info.h
@@ -403,9 +403,34 @@ static inline u32 get_sta_flags(struct sta_info *sta)
#define STA_INFO_CLEANUP_INTERVAL (10 * HZ)
/*
- * Get a STA info, must have be under RCU read lock.
+ * Get a STA info, must be under RCU read lock.
*/
-struct sta_info *sta_info_get(struct ieee80211_local *local, const u8 *addr);
+struct sta_info *sta_info_get(struct ieee80211_sub_if_data *sdata,
+ const u8 *addr);
+
+static inline
+void for_each_sta_info_type_check(struct ieee80211_local *local,
+ const u8 *addr,
+ struct sta_info *sta,
+ struct sta_info *nxt)
+{
+}
+
+#define for_each_sta_info(local, _addr, sta, nxt) \
+ for ( /* initialise loop */ \
+ sta = rcu_dereference(local->sta_hash[STA_HASH(_addr)]),\
+ nxt = sta ? rcu_dereference(sta->hnext) : NULL; \
+ /* typecheck */ \
+ for_each_sta_info_type_check(local, (_addr), sta, nxt), \
+ /* continue condition */ \
+ sta; \
+ /* advance loop */ \
+ sta = nxt, \
+ nxt = sta ? rcu_dereference(sta->hnext) : NULL \
+ ) \
+ /* compare address and run code only if it matches */ \
+ if (memcmp(sta->sta.addr, (_addr), ETH_ALEN) == 0)
+
/*
* Get STA info by index, BROKEN!
*/
diff --git a/net/mac80211/status.c b/net/mac80211/status.c
index d78f36c64c7..32fe327acf4 100644
--- a/net/mac80211/status.c
+++ b/net/mac80211/status.c
@@ -146,7 +146,7 @@ void ieee80211_tx_status(struct ieee80211_hw *hw, struct sk_buff *skb)
struct ieee80211_tx_status_rtap_hdr *rthdr;
struct ieee80211_sub_if_data *sdata;
struct net_device *prev_dev = NULL;
- struct sta_info *sta;
+ struct sta_info *sta, *tmp;
int retry_count = -1, i;
bool injected;
@@ -166,9 +166,11 @@ void ieee80211_tx_status(struct ieee80211_hw *hw, struct sk_buff *skb)
sband = local->hw.wiphy->bands[info->band];
- sta = sta_info_get(local, hdr->addr1);
+ for_each_sta_info(local, hdr->addr1, sta, tmp) {
+ /* skip wrong virtual interface */
+ if (memcmp(hdr->addr2, sta->sdata->dev->dev_addr, ETH_ALEN))
+ continue;
- if (sta) {
if (!(info->flags & IEEE80211_TX_STAT_ACK) &&
test_sta_flags(sta, WLAN_STA_PS_STA)) {
/*
diff --git a/net/mac80211/tx.c b/net/mac80211/tx.c
index 8834cc93c71..b913bfc34a9 100644
--- a/net/mac80211/tx.c
+++ b/net/mac80211/tx.c
@@ -1055,7 +1055,7 @@ ieee80211_tx_prepare(struct ieee80211_sub_if_data *sdata,
if (sdata->vif.type == NL80211_IFTYPE_AP_VLAN)
tx->sta = rcu_dereference(sdata->u.vlan.sta);
if (!tx->sta)
- tx->sta = sta_info_get(local, hdr->addr1);
+ tx->sta = sta_info_get(sdata, hdr->addr1);
if (tx->sta && ieee80211_is_data_qos(hdr->frame_control) &&
(local->hw.flags & IEEE80211_HW_AMPDU_AGGREGATION)) {
@@ -1761,9 +1761,8 @@ netdev_tx_t ieee80211_subif_start_xmit(struct sk_buff *skb,
*/
if (!is_multicast_ether_addr(hdr.addr1)) {
rcu_read_lock();
- sta = sta_info_get(local, hdr.addr1);
- /* XXX: in the future, use sdata to look up the sta */
- if (sta && sta->sdata == sdata)
+ sta = sta_info_get(sdata, hdr.addr1);
+ if (sta)
sta_flags = get_sta_flags(sta);
rcu_read_unlock();
}
@@ -1922,7 +1921,7 @@ static bool ieee80211_tx_pending_skb(struct ieee80211_local *local,
ieee80211_tx(sdata, skb, true);
} else {
hdr = (struct ieee80211_hdr *)skb->data;
- sta = sta_info_get(local, hdr->addr1);
+ sta = sta_info_get(sdata, hdr->addr1);
ret = __ieee80211_tx(local, &skb, sta, true);
if (ret != IEEE80211_TX_OK)
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-01 13:29:25 +0000