From: Felix Fietkau Date: Fri, 20 Mar 2015 16:24:06 +0000 (+0000) Subject: mac80211: update software queueing patch X-Git-Url: http://git.lede-project.org./?a=commitdiff_plain;h=f7a861615cc9496f988ccf13cb00f7854a8eaae7;p=openwrt%2Fstaging%2Fadrian.git mac80211: update software queueing patch Signed-off-by: Felix Fietkau SVN-Revision: 44909 --- diff --git a/package/kernel/mac80211/patches/300-mac80211-add-an-intermediate-software-queue-implemen.patch b/package/kernel/mac80211/patches/300-mac80211-add-an-intermediate-software-queue-implemen.patch index 154d911457..5febbf08d1 100644 --- a/package/kernel/mac80211/patches/300-mac80211-add-an-intermediate-software-queue-implemen.patch +++ b/package/kernel/mac80211/patches/300-mac80211-add-an-intermediate-software-queue-implemen.patch @@ -19,7 +19,7 @@ Signed-off-by: Felix Fietkau --- a/include/net/mac80211.h +++ b/include/net/mac80211.h -@@ -84,6 +84,34 @@ +@@ -84,6 +84,35 @@ * */ @@ -46,15 +46,16 @@ Signed-off-by: Felix Fietkau + * For AP powersave TIM handling, the driver only needs to indicate if it has + * buffered packets in the driver specific data structures by calling + * ieee80211_sta_set_buffered(). For frames buffered in the ieee80211_txq -+ * struct, mac80211 sets TIM and calls .release_buffered_frames(). -+ * The driver is expected to release its own buffered frames and also call -+ * ieee80211_tx_dequeue() within that callback. ++ * struct, mac80211 sets the appropriate TIM PVB bits and calls ++ * .release_buffered_frames(). ++ * That callback is expected to release its own buffered frames and afterwards ++ * also frames from the ieee80211_txq (obtained via ieee80211_tx_dequeue). + */ + struct device; /** -@@ -1257,6 +1285,8 @@ struct ieee80211_vif { +@@ -1257,6 +1286,8 @@ struct ieee80211_vif { u8 cab_queue; u8 hw_queue[IEEE80211_NUM_ACS]; @@ -63,7 +64,7 @@ Signed-off-by: Felix Fietkau struct ieee80211_chanctx_conf __rcu *chanctx_conf; u32 driver_flags; -@@ -1519,6 +1549,8 @@ struct ieee80211_sta { +@@ -1519,6 +1550,8 @@ struct ieee80211_sta { bool tdls_initiator; bool mfp; @@ -72,14 +73,14 @@ Signed-off-by: Felix Fietkau /* must be last */ u8 drv_priv[0] __aligned(sizeof(void *)); }; -@@ -1547,6 +1579,27 @@ struct ieee80211_tx_control { +@@ -1547,6 +1580,27 @@ struct ieee80211_tx_control { }; /** + * struct ieee80211_txq - Software intermediate tx queue + * + * @vif: &struct ieee80211_vif pointer from the add_interface callback. -+ * @sta: station table entry, may be NULL for per-vif queue ++ * @sta: station table entry, %NULL for per-vif queue + * @tid: the TID for this queue (unused for per-vif queue) + * @ac: the AC for this queue + * @@ -100,7 +101,7 @@ Signed-off-by: Felix Fietkau * enum ieee80211_hw_flags - hardware flags * * These flags are used to indicate hardware capabilities to -@@ -1770,6 +1823,8 @@ enum ieee80211_hw_flags { +@@ -1770,6 +1824,8 @@ enum ieee80211_hw_flags { * within &struct ieee80211_sta. * @chanctx_data_size: size (in bytes) of the drv_priv data area * within &struct ieee80211_chanctx_conf. @@ -109,7 +110,7 @@ Signed-off-by: Felix Fietkau * * @max_rates: maximum number of alternate rate retry stages the hw * can handle. -@@ -1818,6 +1873,9 @@ enum ieee80211_hw_flags { +@@ -1818,6 +1874,9 @@ enum ieee80211_hw_flags { * @n_cipher_schemes: a size of an array of cipher schemes definitions. * @cipher_schemes: a pointer to an array of cipher scheme definitions * supported by HW. @@ -119,7 +120,7 @@ Signed-off-by: Felix Fietkau */ struct ieee80211_hw { struct ieee80211_conf conf; -@@ -1830,6 +1888,7 @@ struct ieee80211_hw { +@@ -1830,6 +1889,7 @@ struct ieee80211_hw { int vif_data_size; int sta_data_size; int chanctx_data_size; @@ -127,7 +128,7 @@ Signed-off-by: Felix Fietkau u16 queues; u16 max_listen_interval; s8 max_signal; -@@ -1846,6 +1905,7 @@ struct ieee80211_hw { +@@ -1846,6 +1906,7 @@ struct ieee80211_hw { u8 uapsd_max_sp_len; u8 n_cipher_schemes; const struct ieee80211_cipher_scheme *cipher_schemes; @@ -135,7 +136,7 @@ Signed-off-by: Felix Fietkau }; /** -@@ -3007,6 +3067,8 @@ enum ieee80211_reconfig_type { +@@ -3007,6 +3068,8 @@ enum ieee80211_reconfig_type { * response template is provided, together with the location of the * switch-timing IE within the template. The skb can only be used within * the function call. @@ -144,7 +145,7 @@ Signed-off-by: Felix Fietkau */ struct ieee80211_ops { void (*tx)(struct ieee80211_hw *hw, -@@ -3238,6 +3300,9 @@ struct ieee80211_ops { +@@ -3238,6 +3301,9 @@ struct ieee80211_ops { void (*tdls_recv_channel_switch)(struct ieee80211_hw *hw, struct ieee80211_vif *vif, struct ieee80211_tdls_ch_sw_params *params); @@ -154,7 +155,7 @@ Signed-off-by: Felix Fietkau }; /** -@@ -5249,4 +5314,17 @@ void ieee80211_unreserve_tid(struct ieee +@@ -5249,4 +5315,17 @@ void ieee80211_unreserve_tid(struct ieee */ size_t ieee80211_ie_split(const u8 *ies, size_t ielen, const u8 *ids, int n_ids, size_t offset); @@ -165,7 +166,7 @@ Signed-off-by: Felix Fietkau + * @hw: pointer as obtained from ieee80211_alloc_hw() + * @txq: pointer obtained from .add_tx_queue() call + * -+ * Returns the skb if successful, NULL if no frame was available. ++ * Returns the skb if successful, %NULL if no frame was available. + */ +struct sk_buff *ieee80211_tx_dequeue(struct ieee80211_hw *hw, + struct ieee80211_txq *txq); @@ -232,32 +233,33 @@ Signed-off-by: Felix Fietkau static inline int ieee80211_bssid_match(const u8 *raddr, const u8 *addr) { -@@ -1905,6 +1923,12 @@ static inline bool ieee80211_can_run_wor +@@ -1905,6 +1923,9 @@ static inline bool ieee80211_can_run_wor return true; } +void ieee80211_init_tx_queue(struct ieee80211_sub_if_data *sdata, + struct sta_info *sta, + struct txq_info *txq, int tid); -+void ieee80211_flush_tx_queue(struct ieee80211_local *local, -+ struct ieee80211_txq *txq); -+ void ieee80211_send_auth(struct ieee80211_sub_if_data *sdata, u16 transaction, u16 auth_alg, u16 status, const u8 *extra, size_t extra_len, const u8 *bssid, --- a/net/mac80211/iface.c +++ b/net/mac80211/iface.c -@@ -969,6 +969,9 @@ static void ieee80211_do_stop(struct iee +@@ -969,6 +969,13 @@ static void ieee80211_do_stop(struct iee } spin_unlock_irqrestore(&local->queue_stop_reason_lock, flags); -+ if (sdata->vif.txq) -+ ieee80211_flush_tx_queue(local, sdata->vif.txq); ++ if (sdata->vif.txq) { ++ struct txq_info *txqi = to_txq_info(sdata->vif.txq); ++ ++ ieee80211_purge_tx_queue(&local->hw, &txqi->queue); ++ atomic_set(&sdata->txqs_len[txqi->txq.ac], 0); ++ } + if (local->open_count == 0) ieee80211_clear_tx_pending(local); -@@ -1773,6 +1776,15 @@ int ieee80211_if_add(struct ieee80211_lo +@@ -1773,6 +1780,15 @@ int ieee80211_if_add(struct ieee80211_lo ieee80211_setup_sdata(sdata, type); if (ndev) { @@ -273,7 +275,7 @@ Signed-off-by: Felix Fietkau if (params) { ndev->ieee80211_ptr->use_4addr = params->use_4addr; if (type == NL80211_IFTYPE_STATION) -@@ -1785,6 +1797,7 @@ int ieee80211_if_add(struct ieee80211_lo +@@ -1785,6 +1801,7 @@ int ieee80211_if_add(struct ieee80211_lo ret = register_netdevice(ndev); if (ret) { @@ -281,7 +283,7 @@ Signed-off-by: Felix Fietkau free_netdev(ndev); return ret; } -@@ -1810,6 +1823,9 @@ void ieee80211_if_remove(struct ieee8021 +@@ -1810,6 +1827,9 @@ void ieee80211_if_remove(struct ieee8021 synchronize_rcu(); @@ -291,7 +293,7 @@ Signed-off-by: Felix Fietkau if (sdata->dev) { unregister_netdevice(sdata->dev); } else { -@@ -1851,6 +1867,9 @@ void ieee80211_remove_interfaces(struct +@@ -1851,6 +1871,9 @@ void ieee80211_remove_interfaces(struct list_for_each_entry_safe(sdata, tmp, &local->interfaces, list) { list_del(&sdata->list); @@ -315,19 +317,24 @@ Signed-off-by: Felix Fietkau wiphy_debug(local->hw.wiphy, "Failed to initialize wep: %d\n", --- a/net/mac80211/sta_info.c +++ b/net/mac80211/sta_info.c -@@ -118,6 +118,11 @@ static void __cleanup_single_sta(struct +@@ -118,6 +118,16 @@ static void __cleanup_single_sta(struct atomic_dec(&ps->num_sta_ps); } + if (sta->sta.txq[0]) { -+ for (i = 0; i < ARRAY_SIZE(sta->sta.txq); i++) -+ ieee80211_flush_tx_queue(local, sta->sta.txq[i]); ++ for (i = 0; i < ARRAY_SIZE(sta->sta.txq); i++) { ++ struct txq_info *txqi = to_txq_info(sta->sta.txq[i]); ++ int n = skb_queue_len(&txqi->queue); ++ ++ ieee80211_purge_tx_queue(&local->hw, &txqi->queue); ++ atomic_sub(n, &sdata->txqs_len[txqi->txq.ac]); ++ } + } + for (ac = 0; ac < IEEE80211_NUM_ACS; ac++) { local->total_ps_buffered -= skb_queue_len(&sta->ps_tx_buf[ac]); ieee80211_purge_tx_queue(&local->hw, &sta->ps_tx_buf[ac]); -@@ -234,6 +239,8 @@ void sta_info_free(struct ieee80211_loca +@@ -234,6 +244,8 @@ void sta_info_free(struct ieee80211_loca sta_dbg(sta->sdata, "Destroyed STA %pM\n", sta->sta.addr); @@ -336,7 +343,7 @@ Signed-off-by: Felix Fietkau kfree(rcu_dereference_raw(sta->sta.rates)); kfree(sta); } -@@ -285,11 +292,12 @@ struct sta_info *sta_info_alloc(struct i +@@ -285,11 +297,12 @@ struct sta_info *sta_info_alloc(struct i const u8 *addr, gfp_t gfp) { struct ieee80211_local *local = sdata->local; @@ -350,7 +357,7 @@ Signed-off-by: Felix Fietkau if (!sta) return NULL; -@@ -321,11 +329,24 @@ struct sta_info *sta_info_alloc(struct i +@@ -321,11 +334,25 @@ struct sta_info *sta_info_alloc(struct i for (i = 0; i < ARRAY_SIZE(sta->chain_signal_avg); i++) ewma_init(&sta->chain_signal_avg[i], 1024, 8); @@ -368,6 +375,7 @@ Signed-off-by: Felix Fietkau + + for (i = 0; i < ARRAY_SIZE(sta->sta.txq); i++) { + struct txq_info *txq = txq_data + i * size; ++ + ieee80211_init_tx_queue(sdata, sta, txq, i); + } } @@ -378,7 +386,7 @@ Signed-off-by: Felix Fietkau for (i = 0; i < IEEE80211_NUM_TIDS; i++) { /* * timer_to_tid must be initialized with identity mapping -@@ -346,7 +367,7 @@ struct sta_info *sta_info_alloc(struct i +@@ -346,7 +373,7 @@ struct sta_info *sta_info_alloc(struct i if (sdata->vif.type == NL80211_IFTYPE_AP || sdata->vif.type == NL80211_IFTYPE_AP_VLAN) { struct ieee80211_supported_band *sband = @@ -387,7 +395,7 @@ Signed-off-by: Felix Fietkau u8 smps = (sband->ht_cap.cap & IEEE80211_HT_CAP_SM_PS) >> IEEE80211_HT_CAP_SM_PS_SHIFT; /* -@@ -371,6 +392,13 @@ struct sta_info *sta_info_alloc(struct i +@@ -371,6 +398,13 @@ struct sta_info *sta_info_alloc(struct i sta_dbg(sdata, "Allocated STA %pM\n", sta->sta.addr); return sta; @@ -401,7 +409,7 @@ Signed-off-by: Felix Fietkau } static int sta_info_insert_check(struct sta_info *sta) -@@ -640,6 +668,8 @@ static void __sta_info_recalc_tim(struct +@@ -640,6 +674,8 @@ static void __sta_info_recalc_tim(struct indicate_tim |= sta->driver_buffered_tids & tids; @@ -410,7 +418,7 @@ Signed-off-by: Felix Fietkau } done: -@@ -1071,7 +1101,7 @@ void ieee80211_sta_ps_deliver_wakeup(str +@@ -1071,7 +1107,7 @@ void ieee80211_sta_ps_deliver_wakeup(str struct ieee80211_sub_if_data *sdata = sta->sdata; struct ieee80211_local *local = sdata->local; struct sk_buff_head pending; @@ -419,7 +427,7 @@ Signed-off-by: Felix Fietkau unsigned long flags; struct ps_data *ps; -@@ -1090,10 +1120,22 @@ void ieee80211_sta_ps_deliver_wakeup(str +@@ -1090,10 +1126,22 @@ void ieee80211_sta_ps_deliver_wakeup(str BUILD_BUG_ON(BITS_TO_LONGS(IEEE80211_NUM_TIDS) > 1); sta->driver_buffered_tids = 0; @@ -442,7 +450,7 @@ Signed-off-by: Felix Fietkau skb_queue_head_init(&pending); /* sync with ieee80211_tx_h_unicast_ps_buf */ -@@ -1254,7 +1296,7 @@ ieee80211_sta_ps_deliver_response(struct +@@ -1254,7 +1302,7 @@ ieee80211_sta_ps_deliver_response(struct struct ieee80211_sub_if_data *sdata = sta->sdata; struct ieee80211_local *local = sdata->local; bool more_data = false; @@ -451,7 +459,7 @@ Signed-off-by: Felix Fietkau unsigned long driver_release_tids = 0; struct sk_buff_head frames; -@@ -1275,8 +1317,10 @@ ieee80211_sta_ps_deliver_response(struct +@@ -1275,8 +1323,10 @@ ieee80211_sta_ps_deliver_response(struct /* if we already have frames from software, then we can't also * release from hardware queues */ @@ -463,7 +471,7 @@ Signed-off-by: Felix Fietkau if (driver_release_tids) { /* If the driver has data on more than one TID then -@@ -1447,6 +1491,8 @@ ieee80211_sta_ps_deliver_response(struct +@@ -1447,6 +1497,8 @@ ieee80211_sta_ps_deliver_response(struct sta_info_recalc_tim(sta); } else { @@ -472,7 +480,7 @@ Signed-off-by: Felix Fietkau /* * We need to release a frame that is buffered somewhere in the * driver ... it'll have to handle that. -@@ -1466,8 +1512,22 @@ ieee80211_sta_ps_deliver_response(struct +@@ -1466,8 +1518,22 @@ ieee80211_sta_ps_deliver_response(struct * that the TID(s) became empty before returning here from the * release function. * Either way, however, when the driver tells us that the TID(s) @@ -603,7 +611,7 @@ Signed-off-by: Felix Fietkau spin_lock(&tx->sta->lock); /* * Need to re-check now, because we may get here -@@ -1201,13 +1209,101 @@ ieee80211_tx_prepare(struct ieee80211_su +@@ -1201,13 +1209,102 @@ ieee80211_tx_prepare(struct ieee80211_su return TX_CONTINUE; } @@ -630,6 +638,7 @@ Signed-off-by: Felix Fietkau + + if (pubsta) { + u8 tid = skb->priority & IEEE80211_QOS_CTL_TID_MASK; ++ + txq = pubsta->txq[tid]; + } else if (vif) { + txq = vif->txq; @@ -639,7 +648,7 @@ Signed-off-by: Felix Fietkau + goto tx_normal; + + ac = txq->ac; -+ txqi = container_of(txq, struct txq_info, txq); ++ txqi = to_txq_info(txq); + atomic_inc(&sdata->txqs_len[ac]); + if (atomic_read(&sdata->txqs_len[ac]) >= local->hw.txq_ac_max_pending) + netif_stop_subqueue(sdata->dev, ac); @@ -706,7 +715,7 @@ Signed-off-by: Felix Fietkau struct sk_buff *skb, *tmp; unsigned long flags; -@@ -1265,10 +1361,9 @@ static bool ieee80211_tx_frags(struct ie +@@ -1265,10 +1362,9 @@ static bool ieee80211_tx_frags(struct ie spin_unlock_irqrestore(&local->queue_stop_reason_lock, flags); info->control.vif = vif; @@ -732,7 +741,7 @@ Signed-off-by: Felix Fietkau if (ac_queue == queue || (sdata->vif.cab_queue == queue && local->queue_stop_reasons[ac_queue] == 0 && -@@ -3307,3 +3312,36 @@ u8 *ieee80211_add_wmm_info_ie(u8 *buf, u +@@ -3307,3 +3312,20 @@ u8 *ieee80211_add_wmm_info_ie(u8 *buf, u return buf; } @@ -753,22 +762,6 @@ Signed-off-by: Felix Fietkau + txqi->txq.ac = IEEE80211_AC_BE; + } +} -+ -+void ieee80211_flush_tx_queue(struct ieee80211_local *local, -+ struct ieee80211_txq *txq) -+{ -+ struct txq_info *txqi = container_of(txq, struct txq_info, txq); -+ struct ieee80211_sub_if_data *sdata = vif_to_sdata(txq->vif); -+ struct sk_buff *skb; -+ int n = 0; -+ -+ while ((skb = skb_dequeue(&txqi->queue)) != NULL) { -+ n++; -+ ieee80211_free_txskb(&local->hw, skb); -+ } -+ -+ atomic_sub(n, &sdata->txqs_len[txq->ac]); -+} --- a/net/mac80211/rx.c +++ b/net/mac80211/rx.c @@ -1176,6 +1176,7 @@ static void sta_ps_start(struct sta_info @@ -800,7 +793,7 @@ Signed-off-by: Felix Fietkau static void sta_ps_end(struct sta_info *sta) --- a/net/mac80211/agg-tx.c +++ b/net/mac80211/agg-tx.c -@@ -188,6 +188,41 @@ ieee80211_wake_queue_agg(struct ieee8021 +@@ -188,6 +188,43 @@ ieee80211_wake_queue_agg(struct ieee8021 __release(agg_queue); } @@ -814,6 +807,8 @@ Signed-off-by: Felix Fietkau + return; + + txqi = to_txq_info(txq); ++ ++ /* Lock here to protect against further seqno updates on dequeue */ + spin_lock_bh(&txqi->queue.lock); + set_bit(IEEE80211_TXQ_STOP, &txqi->flags); + spin_unlock_bh(&txqi->queue.lock); @@ -842,7 +837,7 @@ Signed-off-by: Felix Fietkau /* * splice packets from the STA's pending to the local pending, * requires a call to ieee80211_agg_splice_finish later -@@ -247,6 +282,7 @@ static void ieee80211_remove_tid_tx(stru +@@ -247,6 +284,7 @@ static void ieee80211_remove_tid_tx(stru ieee80211_assign_tid_tx(sta, tid, NULL); ieee80211_agg_splice_finish(sta->sdata, tid); @@ -850,7 +845,7 @@ Signed-off-by: Felix Fietkau kfree_rcu(tid_tx, rcu_head); } -@@ -418,6 +454,8 @@ void ieee80211_tx_ba_session_handle_star +@@ -418,6 +456,8 @@ void ieee80211_tx_ba_session_handle_star */ clear_bit(HT_AGG_STATE_WANT_START, &tid_tx->state); @@ -859,7 +854,7 @@ Signed-off-by: Felix Fietkau /* * Make sure no packets are being processed. This ensures that * we have a valid starting sequence number and that in-flight -@@ -440,6 +478,8 @@ void ieee80211_tx_ba_session_handle_star +@@ -440,6 +480,8 @@ void ieee80211_tx_ba_session_handle_star ieee80211_agg_splice_finish(sdata, tid); spin_unlock_bh(&sta->lock); @@ -868,7 +863,7 @@ Signed-off-by: Felix Fietkau kfree_rcu(tid_tx, rcu_head); return; } -@@ -666,6 +706,8 @@ static void ieee80211_agg_tx_operational +@@ -666,6 +708,8 @@ static void ieee80211_agg_tx_operational ieee80211_agg_splice_finish(sta->sdata, tid); spin_unlock_bh(&sta->lock); diff --git a/package/kernel/mac80211/patches/301-mac80211-lock-rate-control.patch b/package/kernel/mac80211/patches/301-mac80211-lock-rate-control.patch index 53d981b9e9..465d94319d 100644 --- a/package/kernel/mac80211/patches/301-mac80211-lock-rate-control.patch +++ b/package/kernel/mac80211/patches/301-mac80211-lock-rate-control.patch @@ -104,7 +104,7 @@ Signed-off-by: Johannes Berg static inline void rate_control_free_sta(struct sta_info *sta) --- a/net/mac80211/sta_info.c +++ b/net/mac80211/sta_info.c -@@ -281,7 +281,7 @@ static int sta_prepare_rate_control(stru +@@ -286,7 +286,7 @@ static int sta_prepare_rate_control(stru sta->rate_ctrl = local->rate_ctrl; sta->rate_ctrl_priv = rate_control_alloc_sta(sta->rate_ctrl, diff --git a/package/kernel/mac80211/patches/522-mac80211_configure_antenna_gain.patch b/package/kernel/mac80211/patches/522-mac80211_configure_antenna_gain.patch index 486b0719c8..673c6dc422 100644 --- a/package/kernel/mac80211/patches/522-mac80211_configure_antenna_gain.patch +++ b/package/kernel/mac80211/patches/522-mac80211_configure_antenna_gain.patch @@ -18,7 +18,7 @@ const u8 *addr); --- a/include/net/mac80211.h +++ b/include/net/mac80211.h -@@ -1166,6 +1166,7 @@ enum ieee80211_smps_mode { +@@ -1167,6 +1167,7 @@ enum ieee80211_smps_mode { * * @power_level: requested transmit power (in dBm), backward compatibility * value only that is set to the minimum of all interfaces @@ -26,7 +26,7 @@ * * @chandef: the channel definition to tune to * @radar_enabled: whether radar detection is enabled -@@ -1187,6 +1188,7 @@ struct ieee80211_conf { +@@ -1188,6 +1189,7 @@ struct ieee80211_conf { u32 flags; int power_level, dynamic_ps_timeout; int max_sleep_period;