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Diffstat (limited to 'net/mac80211/agg-tx.c')
-rw-r--r--net/mac80211/agg-tx.c133
1 files changed, 60 insertions, 73 deletions
diff --git a/net/mac80211/agg-tx.c b/net/mac80211/agg-tx.c
index b6b772685881..d981b0fc57bf 100644
--- a/net/mac80211/agg-tx.c
+++ b/net/mac80211/agg-tx.c
@@ -9,7 +9,7 @@
* Copyright 2007, Michael Wu <flamingice@sourmilk.net>
* Copyright 2007-2010, Intel Corporation
* Copyright(c) 2015-2017 Intel Deutschland GmbH
- * Copyright (C) 2018 - 2023 Intel Corporation
+ * Copyright (C) 2018 - 2024 Intel Corporation
*/
#include <linux/ieee80211.h>
@@ -58,36 +58,24 @@
* complete.
*/
-static void ieee80211_send_addba_request(struct ieee80211_sub_if_data *sdata,
- const u8 *da, u16 tid,
+static void ieee80211_send_addba_request(struct sta_info *sta, u16 tid,
u8 dialog_token, u16 start_seq_num,
u16 agg_size, u16 timeout)
{
+ struct ieee80211_sub_if_data *sdata = sta->sdata;
struct ieee80211_local *local = sdata->local;
struct sk_buff *skb;
struct ieee80211_mgmt *mgmt;
u16 capab;
- skb = dev_alloc_skb(sizeof(*mgmt) + local->hw.extra_tx_headroom);
-
+ skb = dev_alloc_skb(sizeof(*mgmt) +
+ 2 + sizeof(struct ieee80211_addba_ext_ie) +
+ local->hw.extra_tx_headroom);
if (!skb)
return;
skb_reserve(skb, local->hw.extra_tx_headroom);
- mgmt = skb_put_zero(skb, 24);
- memcpy(mgmt->da, da, ETH_ALEN);
- memcpy(mgmt->sa, sdata->vif.addr, ETH_ALEN);
- if (sdata->vif.type == NL80211_IFTYPE_AP ||
- sdata->vif.type == NL80211_IFTYPE_AP_VLAN ||
- sdata->vif.type == NL80211_IFTYPE_MESH_POINT)
- memcpy(mgmt->bssid, sdata->vif.addr, ETH_ALEN);
- else if (sdata->vif.type == NL80211_IFTYPE_STATION)
- memcpy(mgmt->bssid, sdata->vif.cfg.ap_addr, ETH_ALEN);
- else if (sdata->vif.type == NL80211_IFTYPE_ADHOC)
- memcpy(mgmt->bssid, sdata->u.ibss.bssid, ETH_ALEN);
-
- mgmt->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT |
- IEEE80211_STYPE_ACTION);
+ mgmt = ieee80211_mgmt_ba(skb, sta->sta.addr, sdata);
skb_put(skb, 1 + sizeof(mgmt->u.action.u.addba_req));
@@ -106,6 +94,9 @@ static void ieee80211_send_addba_request(struct ieee80211_sub_if_data *sdata,
mgmt->u.action.u.addba_req.start_seq_num =
cpu_to_le16(start_seq_num << 4);
+ if (sta->sta.deflink.he_cap.has_he)
+ ieee80211_add_addbaext(skb, 0, agg_size);
+
ieee80211_tx_skb_tid(sdata, skb, tid, -1);
}
@@ -142,7 +133,7 @@ EXPORT_SYMBOL(ieee80211_send_bar);
void ieee80211_assign_tid_tx(struct sta_info *sta, int tid,
struct tid_ampdu_tx *tid_tx)
{
- lockdep_assert_held(&sta->ampdu_mlme.mtx);
+ lockdep_assert_wiphy(sta->local->hw.wiphy);
lockdep_assert_held(&sta->lock);
rcu_assign_pointer(sta->ampdu_mlme.tid_tx[tid], tid_tx);
}
@@ -213,7 +204,7 @@ ieee80211_agg_start_txq(struct sta_info *sta, int tid, bool enable)
struct ieee80211_txq *txq = sta->sta.txq[tid];
struct txq_info *txqi;
- lockdep_assert_held(&sta->ampdu_mlme.mtx);
+ lockdep_assert_wiphy(sta->local->hw.wiphy);
if (!txq)
return;
@@ -271,7 +262,7 @@ static void ieee80211_remove_tid_tx(struct sta_info *sta, int tid)
{
struct tid_ampdu_tx *tid_tx;
- lockdep_assert_held(&sta->ampdu_mlme.mtx);
+ lockdep_assert_wiphy(sta->local->hw.wiphy);
lockdep_assert_held(&sta->lock);
tid_tx = rcu_dereference_protected_tid_tx(sta, tid);
@@ -296,8 +287,8 @@ static void ieee80211_remove_tid_tx(struct sta_info *sta, int tid)
kfree_rcu(tid_tx, rcu_head);
}
-int ___ieee80211_stop_tx_ba_session(struct sta_info *sta, u16 tid,
- enum ieee80211_agg_stop_reason reason)
+int __ieee80211_stop_tx_ba_session(struct sta_info *sta, u16 tid,
+ enum ieee80211_agg_stop_reason reason)
{
struct ieee80211_local *local = sta->local;
struct tid_ampdu_tx *tid_tx;
@@ -311,7 +302,7 @@ int ___ieee80211_stop_tx_ba_session(struct sta_info *sta, u16 tid,
};
int ret;
- lockdep_assert_held(&sta->ampdu_mlme.mtx);
+ lockdep_assert_wiphy(sta->local->hw.wiphy);
switch (reason) {
case AGG_STOP_DECLINED:
@@ -371,8 +362,8 @@ int ___ieee80211_stop_tx_ba_session(struct sta_info *sta, u16 tid,
ht_dbg(sta->sdata, "Tx BA session stop requested for %pM tid %u\n",
sta->sta.addr, tid);
- del_timer_sync(&tid_tx->addba_resp_timer);
- del_timer_sync(&tid_tx->session_timer);
+ timer_delete_sync(&tid_tx->addba_resp_timer);
+ timer_delete_sync(&tid_tx->session_timer);
/*
* After this packets are no longer handed right through
@@ -431,7 +422,8 @@ int ___ieee80211_stop_tx_ba_session(struct sta_info *sta, u16 tid,
*/
static void sta_addba_resp_timer_expired(struct timer_list *t)
{
- struct tid_ampdu_tx *tid_tx = from_timer(tid_tx, t, addba_resp_timer);
+ struct tid_ampdu_tx *tid_tx = timer_container_of(tid_tx, t,
+ addba_resp_timer);
struct sta_info *sta = tid_tx->sta;
u8 tid = tid_tx->tid;
@@ -461,7 +453,7 @@ static void ieee80211_send_addba_with_timeout(struct sta_info *sta,
test_bit(HT_AGG_STATE_WANT_STOP, &tid_tx->state)))
return;
- lockdep_assert_held(&sta->ampdu_mlme.mtx);
+ lockdep_assert_wiphy(sta->local->hw.wiphy);
/* activate the timer for the recipient's addBA response */
mod_timer(&tid_tx->addba_resp_timer, jiffies + ADDBA_RESP_INTERVAL);
@@ -473,8 +465,13 @@ static void ieee80211_send_addba_with_timeout(struct sta_info *sta,
sta->ampdu_mlme.addba_req_num[tid]++;
spin_unlock_bh(&sta->lock);
- if (sta->sta.deflink.he_cap.has_he) {
+ if (sta->sta.valid_links ||
+ sta->sta.deflink.eht_cap.has_eht ||
+ ieee80211_hw_check(&local->hw, STRICT)) {
buf_size = local->hw.max_tx_aggregation_subframes;
+ } else if (sta->sta.deflink.he_cap.has_he) {
+ buf_size = min_t(u16, local->hw.max_tx_aggregation_subframes,
+ IEEE80211_MAX_AMPDU_BUF_HE);
} else {
/*
* We really should use what the driver told us it will
@@ -486,9 +483,8 @@ static void ieee80211_send_addba_with_timeout(struct sta_info *sta,
}
/* send AddBA request */
- ieee80211_send_addba_request(sdata, sta->sta.addr, tid,
- tid_tx->dialog_token, tid_tx->ssn,
- buf_size, tid_tx->timeout);
+ ieee80211_send_addba_request(sta, tid, tid_tx->dialog_token,
+ tid_tx->ssn, buf_size, tid_tx->timeout);
WARN_ON(test_and_set_bit(HT_AGG_STATE_SENT_ADDBA, &tid_tx->state));
}
@@ -497,7 +493,7 @@ void ieee80211_tx_ba_session_handle_start(struct sta_info *sta, int tid)
{
struct tid_ampdu_tx *tid_tx;
struct ieee80211_local *local = sta->local;
- struct ieee80211_sub_if_data *sdata;
+ struct ieee80211_sub_if_data *sdata = sta->sdata;
struct ieee80211_ampdu_params params = {
.sta = &sta->sta,
.action = IEEE80211_AMPDU_TX_START,
@@ -525,7 +521,6 @@ void ieee80211_tx_ba_session_handle_start(struct sta_info *sta, int tid)
*/
synchronize_net();
- sdata = sta->sdata;
params.ssn = sta->tid_seq[tid] >> 4;
ret = drv_ampdu_action(local, sdata, &params);
tid_tx->ssn = params.ssn;
@@ -539,9 +534,6 @@ void ieee80211_tx_ba_session_handle_start(struct sta_info *sta, int tid)
*/
set_bit(HT_AGG_STATE_DRV_READY, &tid_tx->state);
} else if (ret) {
- if (!sdata)
- return;
-
ht_dbg(sdata,
"BA request denied - HW unavailable for %pM tid %d\n",
sta->sta.addr, tid);
@@ -583,7 +575,8 @@ EXPORT_SYMBOL(ieee80211_refresh_tx_agg_session_timer);
*/
static void sta_tx_agg_session_timer_expired(struct timer_list *t)
{
- struct tid_ampdu_tx *tid_tx = from_timer(tid_tx, t, session_timer);
+ struct tid_ampdu_tx *tid_tx = timer_container_of(tid_tx, t,
+ session_timer);
struct sta_info *sta = tid_tx->sta;
u8 tid = tid_tx->tid;
unsigned long timeout;
@@ -619,8 +612,12 @@ int ieee80211_start_tx_ba_session(struct ieee80211_sta *pubsta, u16 tid,
"Requested to start BA session on reserved tid=%d", tid))
return -EINVAL;
- if (!pubsta->deflink.ht_cap.ht_supported &&
- sta->sdata->vif.bss_conf.chandef.chan->band != NL80211_BAND_6GHZ)
+ if (!pubsta->valid_links &&
+ !pubsta->deflink.ht_cap.ht_supported &&
+ !pubsta->deflink.vht_cap.vht_supported &&
+ !pubsta->deflink.he_cap.has_he &&
+ !pubsta->deflink.eht_cap.has_eht &&
+ !pubsta->deflink.s1g_cap.s1g)
return -EINVAL;
if (WARN_ON_ONCE(!local->ops->ampdu_action))
@@ -743,7 +740,7 @@ int ieee80211_start_tx_ba_session(struct ieee80211_sta *pubsta, u16 tid,
*/
sta->ampdu_mlme.tid_start_tx[tid] = tid_tx;
- ieee80211_queue_work(&local->hw, &sta->ampdu_mlme.work);
+ wiphy_work_queue(local->hw.wiphy, &sta->ampdu_mlme.work);
/* this flow continues off the work */
err_unlock_sta:
@@ -764,7 +761,7 @@ static void ieee80211_agg_tx_operational(struct ieee80211_local *local,
.ssn = 0,
};
- lockdep_assert_held(&sta->ampdu_mlme.mtx);
+ lockdep_assert_wiphy(sta->local->hw.wiphy);
tid_tx = rcu_dereference_protected_tid_tx(sta, tid);
params.buf_size = tid_tx->buf_size;
@@ -801,7 +798,7 @@ void ieee80211_start_tx_ba_cb(struct sta_info *sta, int tid,
struct ieee80211_sub_if_data *sdata = sta->sdata;
struct ieee80211_local *local = sdata->local;
- lockdep_assert_held(&sta->ampdu_mlme.mtx);
+ lockdep_assert_wiphy(sta->local->hw.wiphy);
if (WARN_ON(test_and_set_bit(HT_AGG_STATE_DRV_READY, &tid_tx->state)))
return;
@@ -812,7 +809,7 @@ void ieee80211_start_tx_ba_cb(struct sta_info *sta, int tid,
if (!test_bit(HT_AGG_STATE_SENT_ADDBA, &tid_tx->state)) {
ieee80211_send_addba_with_timeout(sta, tid_tx);
- /* RESPONSE_RECEIVED state whould trigger the flow again */
+ /* RESPONSE_RECEIVED state would trigger the flow again */
return;
}
@@ -862,26 +859,12 @@ void ieee80211_start_tx_ba_cb_irqsafe(struct ieee80211_vif *vif,
goto out;
set_bit(HT_AGG_STATE_START_CB, &tid_tx->state);
- ieee80211_queue_work(&local->hw, &sta->ampdu_mlme.work);
+ wiphy_work_queue(local->hw.wiphy, &sta->ampdu_mlme.work);
out:
rcu_read_unlock();
}
EXPORT_SYMBOL(ieee80211_start_tx_ba_cb_irqsafe);
-int __ieee80211_stop_tx_ba_session(struct sta_info *sta, u16 tid,
- enum ieee80211_agg_stop_reason reason)
-{
- int ret;
-
- mutex_lock(&sta->ampdu_mlme.mtx);
-
- ret = ___ieee80211_stop_tx_ba_session(sta, tid, reason);
-
- mutex_unlock(&sta->ampdu_mlme.mtx);
-
- return ret;
-}
-
int ieee80211_stop_tx_ba_session(struct ieee80211_sta *pubsta, u16 tid)
{
struct sta_info *sta = container_of(pubsta, struct sta_info, sta);
@@ -916,7 +899,7 @@ int ieee80211_stop_tx_ba_session(struct ieee80211_sta *pubsta, u16 tid)
}
set_bit(HT_AGG_STATE_WANT_STOP, &tid_tx->state);
- ieee80211_queue_work(&local->hw, &sta->ampdu_mlme.work);
+ wiphy_work_queue(local->hw.wiphy, &sta->ampdu_mlme.work);
unlock:
spin_unlock_bh(&sta->lock);
@@ -976,7 +959,7 @@ void ieee80211_stop_tx_ba_cb_irqsafe(struct ieee80211_vif *vif,
goto out;
set_bit(HT_AGG_STATE_STOP_CB, &tid_tx->state);
- ieee80211_queue_work(&local->hw, &sta->ampdu_mlme.work);
+ wiphy_work_queue(local->hw.wiphy, &sta->ampdu_mlme.work);
out:
rcu_read_unlock();
}
@@ -993,29 +976,36 @@ void ieee80211_process_addba_resp(struct ieee80211_local *local,
u16 capab, tid, buf_size;
bool amsdu;
+ lockdep_assert_wiphy(sta->local->hw.wiphy);
+
capab = le16_to_cpu(mgmt->u.action.u.addba_resp.capab);
amsdu = capab & IEEE80211_ADDBA_PARAM_AMSDU_MASK;
tid = u16_get_bits(capab, IEEE80211_ADDBA_PARAM_TID_MASK);
buf_size = u16_get_bits(capab, IEEE80211_ADDBA_PARAM_BUF_SIZE_MASK);
+
+ ieee80211_retrieve_addba_ext_data(sta,
+ mgmt->u.action.u.addba_resp.variable,
+ len - offsetof(typeof(*mgmt),
+ u.action.u.addba_resp.variable),
+ &buf_size);
+
buf_size = min(buf_size, local->hw.max_tx_aggregation_subframes);
txq = sta->sta.txq[tid];
if (!amsdu && txq)
set_bit(IEEE80211_TXQ_NO_AMSDU, &to_txq_info(txq)->flags);
- mutex_lock(&sta->ampdu_mlme.mtx);
-
tid_tx = rcu_dereference_protected_tid_tx(sta, tid);
if (!tid_tx)
- goto out;
+ return;
if (mgmt->u.action.u.addba_resp.dialog_token != tid_tx->dialog_token) {
ht_dbg(sta->sdata, "wrong addBA response token, %pM tid %d\n",
sta->sta.addr, tid);
- goto out;
+ return;
}
- del_timer_sync(&tid_tx->addba_resp_timer);
+ timer_delete_sync(&tid_tx->addba_resp_timer);
ht_dbg(sta->sdata, "switched off addBA timer for %pM tid %d\n",
sta->sta.addr, tid);
@@ -1030,7 +1020,7 @@ void ieee80211_process_addba_resp(struct ieee80211_local *local,
ht_dbg(sta->sdata,
"got addBA resp for %pM tid %d but we already gave up\n",
sta->sta.addr, tid);
- goto out;
+ return;
}
/*
@@ -1044,7 +1034,7 @@ void ieee80211_process_addba_resp(struct ieee80211_local *local,
if (test_and_set_bit(HT_AGG_STATE_RESPONSE_RECEIVED,
&tid_tx->state)) {
/* ignore duplicate response */
- goto out;
+ return;
}
tid_tx->buf_size = buf_size;
@@ -1065,9 +1055,6 @@ void ieee80211_process_addba_resp(struct ieee80211_local *local,
}
} else {
- ___ieee80211_stop_tx_ba_session(sta, tid, AGG_STOP_DECLINED);
+ __ieee80211_stop_tx_ba_session(sta, tid, AGG_STOP_DECLINED);
}
-
- out:
- mutex_unlock(&sta->ampdu_mlme.mtx);
}