diff options
Diffstat (limited to 'net')
-rw-r--r-- | net/mac80211/ibss.c | 6 | ||||
-rw-r--r-- | net/mac80211/ieee80211_i.h | 6 | ||||
-rw-r--r-- | net/mac80211/iface.c | 4 | ||||
-rw-r--r-- | net/mac80211/main.c | 8 | ||||
-rw-r--r-- | net/mac80211/mesh.c | 10 | ||||
-rw-r--r-- | net/mac80211/mesh_hwmp.c | 4 | ||||
-rw-r--r-- | net/mac80211/mlme.c | 48 | ||||
-rw-r--r-- | net/mac80211/pm.c | 4 | ||||
-rw-r--r-- | net/mac80211/scan.c | 8 | ||||
-rw-r--r-- | net/mac80211/tx.c | 2 | ||||
-rw-r--r-- | net/mac80211/util.c | 41 |
11 files changed, 92 insertions, 49 deletions
diff --git a/net/mac80211/ibss.c b/net/mac80211/ibss.c index 6e3cca65c46..920ec8792f4 100644 --- a/net/mac80211/ibss.c +++ b/net/mac80211/ibss.c @@ -781,7 +781,7 @@ static void ieee80211_ibss_timer(unsigned long data) } set_bit(IEEE80211_IBSS_REQ_RUN, &ifibss->request); - queue_work(local->hw.workqueue, &ifibss->work); + ieee80211_queue_work(&local->hw, &ifibss->work); } #ifdef CONFIG_PM @@ -853,7 +853,7 @@ ieee80211_ibss_rx_mgmt(struct ieee80211_sub_if_data *sdata, struct sk_buff *skb) case IEEE80211_STYPE_PROBE_REQ: case IEEE80211_STYPE_AUTH: skb_queue_tail(&sdata->u.ibss.skb_queue, skb); - queue_work(local->hw.workqueue, &sdata->u.ibss.work); + ieee80211_queue_work(&local->hw, &sdata->u.ibss.work); return RX_QUEUED; } @@ -912,7 +912,7 @@ int ieee80211_ibss_join(struct ieee80211_sub_if_data *sdata, ieee80211_recalc_idle(sdata->local); set_bit(IEEE80211_IBSS_REQ_RUN, &sdata->u.ibss.request); - queue_work(sdata->local->hw.workqueue, &sdata->u.ibss.work); + ieee80211_queue_work(&sdata->local->hw, &sdata->u.ibss.work); return 0; } diff --git a/net/mac80211/ieee80211_i.h b/net/mac80211/ieee80211_i.h index aec6853cb43..316825be201 100644 --- a/net/mac80211/ieee80211_i.h +++ b/net/mac80211/ieee80211_i.h @@ -614,6 +614,12 @@ struct ieee80211_local { const struct ieee80211_ops *ops; + /* + * private workqueue to mac80211. mac80211 makes this accessible + * via ieee80211_queue_work() + */ + struct workqueue_struct *workqueue; + unsigned long queue_stop_reasons[IEEE80211_MAX_QUEUES]; /* also used to protect ampdu_ac_queue and amdpu_ac_stop_refcnt */ spinlock_t queue_stop_reason_lock; diff --git a/net/mac80211/iface.c b/net/mac80211/iface.c index a83087f4237..8c1284d45e6 100644 --- a/net/mac80211/iface.c +++ b/net/mac80211/iface.c @@ -312,7 +312,7 @@ static int ieee80211_open(struct net_device *dev) * to fix this. */ if (sdata->vif.type == NL80211_IFTYPE_STATION) - queue_work(local->hw.workqueue, &sdata->u.mgd.work); + ieee80211_queue_work(&local->hw, &sdata->u.mgd.work); netif_tx_start_all_queues(dev); @@ -551,7 +551,7 @@ static int ieee80211_stop(struct net_device *dev) ieee80211_led_radio(local, false); - flush_workqueue(local->hw.workqueue); + flush_workqueue(local->workqueue); tasklet_disable(&local->tx_pending_tasklet); tasklet_disable(&local->tasklet); diff --git a/net/mac80211/main.c b/net/mac80211/main.c index 5e76dd1daf7..22e07385ff6 100644 --- a/net/mac80211/main.c +++ b/net/mac80211/main.c @@ -821,9 +821,9 @@ int ieee80211_register_hw(struct ieee80211_hw *hw) if (hw->queues > IEEE80211_MAX_QUEUES) hw->queues = IEEE80211_MAX_QUEUES; - local->hw.workqueue = + local->workqueue = create_singlethread_workqueue(wiphy_name(local->hw.wiphy)); - if (!local->hw.workqueue) { + if (!local->workqueue) { result = -ENOMEM; goto fail_workqueue; } @@ -913,7 +913,7 @@ int ieee80211_register_hw(struct ieee80211_hw *hw) sta_info_stop(local); fail_sta_info: debugfs_hw_del(local); - destroy_workqueue(local->hw.workqueue); + destroy_workqueue(local->workqueue); fail_workqueue: wiphy_unregister(local->hw.wiphy); fail_wiphy_register: @@ -955,7 +955,7 @@ void ieee80211_unregister_hw(struct ieee80211_hw *hw) skb_queue_purge(&local->skb_queue); skb_queue_purge(&local->skb_queue_unreliable); - destroy_workqueue(local->hw.workqueue); + destroy_workqueue(local->workqueue); wiphy_unregister(local->hw.wiphy); ieee80211_wep_free(local); ieee80211_led_exit(local); diff --git a/net/mac80211/mesh.c b/net/mac80211/mesh.c index 9a3826978b1..2f4f518ab45 100644 --- a/net/mac80211/mesh.c +++ b/net/mac80211/mesh.c @@ -54,7 +54,7 @@ static void ieee80211_mesh_housekeeping_timer(unsigned long data) return; } - queue_work(local->hw.workqueue, &ifmsh->work); + ieee80211_queue_work(local->hw.workqueue, &ifmsh->work); } /** @@ -357,7 +357,7 @@ static void ieee80211_mesh_path_timer(unsigned long data) return; } - queue_work(local->hw.workqueue, &ifmsh->work); + ieee80211_queue_work(local->hw.workqueue, &ifmsh->work); } struct mesh_table *mesh_table_grow(struct mesh_table *tbl) @@ -471,7 +471,7 @@ void ieee80211_start_mesh(struct ieee80211_sub_if_data *sdata) struct ieee80211_local *local = sdata->local; ifmsh->housekeeping = true; - queue_work(local->hw.workqueue, &ifmsh->work); + ieee80211_queue_work(local->hw.workqueue, &ifmsh->work); ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_BEACON | BSS_CHANGED_BEACON_ENABLED); } @@ -619,7 +619,7 @@ void ieee80211_mesh_notify_scan_completed(struct ieee80211_local *local) rcu_read_lock(); list_for_each_entry_rcu(sdata, &local->interfaces, list) if (ieee80211_vif_is_mesh(&sdata->vif)) - queue_work(local->hw.workqueue, &sdata->u.mesh.work); + ieee80211_queue_work(local->hw.workqueue, &sdata->u.mesh.work); rcu_read_unlock(); } @@ -692,7 +692,7 @@ ieee80211_mesh_rx_mgmt(struct ieee80211_sub_if_data *sdata, struct sk_buff *skb) case IEEE80211_STYPE_PROBE_RESP: case IEEE80211_STYPE_BEACON: skb_queue_tail(&ifmsh->skb_queue, skb); - queue_work(local->hw.workqueue, &ifmsh->work); + ieee80211_queue_work(local->hw.workqueue, &ifmsh->work); return RX_QUEUED; } diff --git a/net/mac80211/mesh_hwmp.c b/net/mac80211/mesh_hwmp.c index e93c37ef6a4..11ab71a68ff 100644 --- a/net/mac80211/mesh_hwmp.c +++ b/net/mac80211/mesh_hwmp.c @@ -660,14 +660,14 @@ static void mesh_queue_preq(struct mesh_path *mpath, u8 flags) spin_unlock(&ifmsh->mesh_preq_queue_lock); if (time_after(jiffies, ifmsh->last_preq + min_preq_int_jiff(sdata))) - queue_work(sdata->local->hw.workqueue, &ifmsh->work); + ieee80211_queue_work(sdata->local->hw.workqueue, &ifmsh->work); else if (time_before(jiffies, ifmsh->last_preq)) { /* avoid long wait if did not send preqs for a long time * and jiffies wrapped around */ ifmsh->last_preq = jiffies - min_preq_int_jiff(sdata) - 1; - queue_work(sdata->local->hw.workqueue, &ifmsh->work); + ieee80211_queue_work(sdata->local->hw.workqueue, &ifmsh->work); } else mod_timer(&ifmsh->mesh_path_timer, ifmsh->last_preq + min_preq_int_jiff(sdata)); diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c index ee83125ed17..0779ba150b2 100644 --- a/net/mac80211/mlme.c +++ b/net/mac80211/mlme.c @@ -565,7 +565,7 @@ static void ieee80211_chswitch_timer(unsigned long data) return; } - queue_work(sdata->local->hw.workqueue, &ifmgd->chswitch_work); + ieee80211_queue_work(&sdata->local->hw, &ifmgd->chswitch_work); } void ieee80211_sta_process_chanswitch(struct ieee80211_sub_if_data *sdata, @@ -597,7 +597,7 @@ void ieee80211_sta_process_chanswitch(struct ieee80211_sub_if_data *sdata, sdata->local->csa_channel = new_ch; if (sw_elem->count <= 1) { - queue_work(sdata->local->hw.workqueue, &ifmgd->chswitch_work); + ieee80211_queue_work(&sdata->local->hw, &ifmgd->chswitch_work); } else { ieee80211_stop_queues_by_reason(&sdata->local->hw, IEEE80211_QUEUE_STOP_REASON_CSA); @@ -763,7 +763,7 @@ void ieee80211_dynamic_ps_timer(unsigned long data) if (local->quiescing || local->suspended) return; - queue_work(local->hw.workqueue, &local->dynamic_ps_enable_work); + ieee80211_queue_work(&local->hw, &local->dynamic_ps_enable_work); } /* MLME */ @@ -950,7 +950,7 @@ ieee80211_direct_probe(struct ieee80211_sub_if_data *sdata, * due to work needing to be done. Hence, queue the STAs work * again for that. */ - queue_work(local->hw.workqueue, &ifmgd->work); + ieee80211_queue_work(&local->hw, &ifmgd->work); return RX_MGMT_CFG80211_AUTH_TO; } @@ -995,7 +995,7 @@ ieee80211_authenticate(struct ieee80211_sub_if_data *sdata, * due to work needing to be done. Hence, queue the STAs work * again for that. */ - queue_work(local->hw.workqueue, &ifmgd->work); + ieee80211_queue_work(&local->hw, &ifmgd->work); return RX_MGMT_CFG80211_AUTH_TO; } @@ -1124,7 +1124,7 @@ ieee80211_associate(struct ieee80211_sub_if_data *sdata, * due to work needing to be done. Hence, queue the STAs work * again for that. */ - queue_work(local->hw.workqueue, &ifmgd->work); + ieee80211_queue_work(&local->hw, &ifmgd->work); return RX_MGMT_CFG80211_ASSOC_TO; } @@ -1232,8 +1232,7 @@ void ieee80211_beacon_loss(struct ieee80211_vif *vif) { struct ieee80211_sub_if_data *sdata = vif_to_sdata(vif); - queue_work(sdata->local->hw.workqueue, - &sdata->u.mgd.beacon_loss_work); + ieee80211_queue_work(&sdata->local->hw, &sdata->u.mgd.beacon_loss_work); } EXPORT_SYMBOL(ieee80211_beacon_loss); @@ -1888,7 +1887,7 @@ ieee80211_rx_result ieee80211_sta_rx_mgmt(struct ieee80211_sub_if_data *sdata, case IEEE80211_STYPE_DISASSOC: case IEEE80211_STYPE_ACTION: skb_queue_tail(&sdata->u.mgd.skb_queue, skb); - queue_work(local->hw.workqueue, &sdata->u.mgd.work); + ieee80211_queue_work(&local->hw, &sdata->u.mgd.work); return RX_QUEUED; } @@ -2026,7 +2025,7 @@ static void ieee80211_sta_timer(unsigned long data) return; } - queue_work(local->hw.workqueue, &ifmgd->work); + ieee80211_queue_work(&local->hw, &ifmgd->work); } static void ieee80211_sta_work(struct work_struct *work) @@ -2051,13 +2050,11 @@ static void ieee80211_sta_work(struct work_struct *work) return; /* - * Nothing should have been stuffed into the workqueue during - * the suspend->resume cycle. If this WARN is seen then there - * is a bug with either the driver suspend or something in - * mac80211 stuffing into the workqueue which we haven't yet - * cleared during mac80211's suspend cycle. + * ieee80211_queue_work() should have picked up most cases, + * here we'll pick the the rest. */ - if (WARN_ON(local->suspended)) + if (WARN(local->suspended, "STA MLME work scheduled while " + "going to suspend\n")) return; ifmgd = &sdata->u.mgd; @@ -2113,9 +2110,9 @@ static void ieee80211_sta_work(struct work_struct *work) mutex_unlock(&ifmgd->mtx); if (test_and_clear_bit(IEEE80211_STA_REQ_SCAN, &ifmgd->request)) - queue_delayed_work(local->hw.workqueue, - &local->scan_work, - round_jiffies_relative(0)); + ieee80211_queue_delayed_work(&local->hw, + &local->scan_work, + round_jiffies_relative(0)); return; } @@ -2196,8 +2193,7 @@ static void ieee80211_sta_bcn_mon_timer(unsigned long data) if (local->quiescing) return; - queue_work(sdata->local->hw.workqueue, - &sdata->u.mgd.beacon_loss_work); + ieee80211_queue_work(&sdata->local->hw, &sdata->u.mgd.beacon_loss_work); } static void ieee80211_sta_conn_mon_timer(unsigned long data) @@ -2210,7 +2206,7 @@ static void ieee80211_sta_conn_mon_timer(unsigned long data) if (local->quiescing) return; - queue_work(local->hw.workqueue, &ifmgd->monitor_work); + ieee80211_queue_work(&local->hw, &ifmgd->monitor_work); } static void ieee80211_sta_monitor_work(struct work_struct *work) @@ -2229,10 +2225,10 @@ static void ieee80211_restart_sta_timer(struct ieee80211_sub_if_data *sdata) IEEE80211_STA_CONNECTION_POLL); /* let's probe the connection once */ - queue_work(sdata->local->hw.workqueue, + ieee80211_queue_work(&sdata->local->hw, &sdata->u.mgd.monitor_work); /* and do all the other regular work too */ - queue_work(sdata->local->hw.workqueue, + ieee80211_queue_work(&sdata->local->hw, &sdata->u.mgd.work); } } @@ -2393,7 +2389,7 @@ int ieee80211_mgd_auth(struct ieee80211_sub_if_data *sdata, list_add(&wk->list, &sdata->u.mgd.work_list); mutex_unlock(&ifmgd->mtx); - queue_work(sdata->local->hw.workqueue, &sdata->u.mgd.work); + ieee80211_queue_work(&sdata->local->hw, &sdata->u.mgd.work); return 0; } @@ -2467,7 +2463,7 @@ int ieee80211_mgd_assoc(struct ieee80211_sub_if_data *sdata, else ifmgd->flags &= ~IEEE80211_STA_CONTROL_PORT; - queue_work(sdata->local->hw.workqueue, &sdata->u.mgd.work); + ieee80211_queue_work(&sdata->local->hw, &sdata->u.mgd.work); err = 0; diff --git a/net/mac80211/pm.c b/net/mac80211/pm.c index 3320f7daaf2..a5d2f1fb441 100644 --- a/net/mac80211/pm.c +++ b/net/mac80211/pm.c @@ -26,7 +26,7 @@ int __ieee80211_suspend(struct ieee80211_hw *hw) /* make quiescing visible to timers everywhere */ mb(); - flush_workqueue(local->hw.workqueue); + flush_workqueue(local->workqueue); /* Don't try to run timers while suspended. */ del_timer_sync(&local->sta_cleanup); @@ -117,7 +117,7 @@ int __ieee80211_suspend(struct ieee80211_hw *hw) * shouldn't be doing (or cancel everything in the * stop callback) that but better safe than sorry. */ - flush_workqueue(local->hw.workqueue); + flush_workqueue(local->workqueue); local->suspended = true; /* need suspended to be visible before quiescing is false */ diff --git a/net/mac80211/scan.c b/net/mac80211/scan.c index 45731000eb8..244f53f3c8b 100644 --- a/net/mac80211/scan.c +++ b/net/mac80211/scan.c @@ -385,8 +385,9 @@ static int ieee80211_start_sw_scan(struct ieee80211_local *local) spin_unlock_bh(&local->filter_lock); /* TODO: start scan as soon as all nullfunc frames are ACKed */ - queue_delayed_work(local->hw.workqueue, &local->scan_work, - IEEE80211_CHANNEL_TIME); + ieee80211_queue_delayed_work(&local->hw, + &local->scan_work, + IEEE80211_CHANNEL_TIME); return 0; } @@ -715,8 +716,7 @@ void ieee80211_scan_work(struct work_struct *work) } } while (next_delay == 0); - queue_delayed_work(local->hw.workqueue, &local->scan_work, - next_delay); + ieee80211_queue_delayed_work(&local->hw, &local->scan_work, next_delay); } int ieee80211_request_scan(struct ieee80211_sub_if_data *sdata, diff --git a/net/mac80211/tx.c b/net/mac80211/tx.c index 4e1b2ba122c..7cffaa046b3 100644 --- a/net/mac80211/tx.c +++ b/net/mac80211/tx.c @@ -1400,7 +1400,7 @@ static void ieee80211_xmit(struct ieee80211_sub_if_data *sdata, if (local->hw.conf.flags & IEEE80211_CONF_PS) { ieee80211_stop_queues_by_reason(&local->hw, IEEE80211_QUEUE_STOP_REASON_PS); - queue_work(local->hw.workqueue, + ieee80211_queue_work(&local->hw, &local->dynamic_ps_disable_work); } diff --git a/net/mac80211/util.c b/net/mac80211/util.c index 8502936e531..e55d57f559e 100644 --- a/net/mac80211/util.c +++ b/net/mac80211/util.c @@ -511,6 +511,46 @@ void ieee80211_iterate_active_interfaces_atomic( } EXPORT_SYMBOL_GPL(ieee80211_iterate_active_interfaces_atomic); +/* + * Nothing should have been stuffed into the workqueue during + * the suspend->resume cycle. If this WARN is seen then there + * is a bug with either the driver suspend or something in + * mac80211 stuffing into the workqueue which we haven't yet + * cleared during mac80211's suspend cycle. + */ +static bool ieee80211_can_queue_work(struct ieee80211_local *local) +{ + if (WARN(local->suspended, "queueing ieee80211 work while " + "going to suspend\n")) + return false; + + return true; +} + +void ieee80211_queue_work(struct ieee80211_hw *hw, struct work_struct *work) +{ + struct ieee80211_local *local = hw_to_local(hw); + + if (!ieee80211_can_queue_work(local)) + return; + + queue_work(local->workqueue, work); +} +EXPORT_SYMBOL(ieee80211_queue_work); + +void ieee80211_queue_delayed_work(struct ieee80211_hw *hw, + struct delayed_work *dwork, + unsigned long delay) +{ + struct ieee80211_local *local = hw_to_local(hw); + + if (!ieee80211_can_queue_work(local)) + return; + + queue_delayed_work(local->workqueue, dwork, delay); +} +EXPORT_SYMBOL(ieee80211_queue_delayed_work); + void ieee802_11_parse_elems(u8 *start, size_t len, struct ieee802_11_elems *elems) { @@ -1114,3 +1154,4 @@ int ieee80211_reconfig(struct ieee80211_local *local) #endif return 0; } + |