diff options
Diffstat (limited to 'package')
| -rw-r--r-- | package/mac80211/patches/550-queue_stop_fix.patch | 322 |
1 files changed, 322 insertions, 0 deletions
diff --git a/package/mac80211/patches/550-queue_stop_fix.patch b/package/mac80211/patches/550-queue_stop_fix.patch new file mode 100644 index 0000000000..44b4719a2a --- /dev/null +++ b/package/mac80211/patches/550-queue_stop_fix.patch @@ -0,0 +1,322 @@ +--- a/net/mac80211/iface.c ++++ b/net/mac80211/iface.c +@@ -15,12 +15,14 @@ + #include <linux/netdevice.h> + #include <linux/rtnetlink.h> + #include <net/mac80211.h> ++#include <net/ieee80211_radiotap.h> + #include "ieee80211_i.h" + #include "sta_info.h" + #include "debugfs_netdev.h" + #include "mesh.h" + #include "led.h" + #include "driver-ops.h" ++#include "wme.h" + + /** + * DOC: Interface list locking +@@ -644,6 +646,37 @@ static void ieee80211_teardown_sdata(str + WARN_ON(flushed); + } + ++static u16 ieee80211_netdev_select_queue(struct net_device *dev, ++ struct sk_buff *skb) ++{ ++ return ieee80211_select_queue(IEEE80211_DEV_TO_SUB_IF(dev), skb); ++} ++ ++static u16 ieee80211_monitor_select_queue(struct net_device *dev, ++ struct sk_buff *skb) ++{ ++ struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); ++ struct ieee80211_local *local = sdata->local; ++ struct ieee80211_hdr *hdr; ++ struct ieee80211_radiotap_header *rtap = (void *)skb->data; ++ ++ if (local->hw.queues < 4) ++ return 0; ++ ++ if (skb->len < 4 || ++ skb->len < rtap->it_len + 2 /* frame control */) ++ return 0; /* doesn't matter, frame will be dropped */ ++ ++ hdr = (void *)((u8 *)skb->data + rtap->it_len); ++ ++ if (!ieee80211_is_data(hdr->frame_control)) { ++ skb->priority = 7; ++ return ieee802_1d_to_ac[skb->priority]; ++ } ++ ++ return ieee80211_downgrade_queue(local, skb); ++} ++ + #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,29)) + static const struct net_device_ops ieee80211_dataif_ops = { + .ndo_open = ieee80211_open, +@@ -653,6 +686,7 @@ static const struct net_device_ops ieee8 + .ndo_set_multicast_list = ieee80211_set_multicast_list, + .ndo_change_mtu = ieee80211_change_mtu, + .ndo_set_mac_address = eth_mac_addr, ++ .ndo_select_queue = ieee80211_monitor_select_queue, + }; + + static const struct net_device_ops ieee80211_monitorif_ops = { +@@ -663,6 +697,7 @@ static const struct net_device_ops ieee8 + .ndo_set_multicast_list = ieee80211_set_multicast_list, + .ndo_change_mtu = ieee80211_change_mtu, + .ndo_set_mac_address = eth_mac_addr, ++ .ndo_select_queue = ieee80211_monitor_select_queue, + }; + #endif + +@@ -677,6 +712,7 @@ static void ieee80211_if_setup(struct ne + dev->change_mtu = ieee80211_change_mtu; + dev->open = ieee80211_open; + dev->stop = ieee80211_stop; ++ dev->select_queue = ieee80211_netdev_select_queue; + /* we will validate the address ourselves in ->open */ + dev->validate_addr = NULL; + #endif +@@ -725,6 +761,7 @@ static void ieee80211_setup_sdata(struct + sdata->dev->netdev_ops = &ieee80211_monitorif_ops; + #else + sdata->dev->hard_start_xmit = ieee80211_monitor_start_xmit; ++ sdata->dev->select_queue = ieee80211_monitor_select_queue; + #endif + sdata->u.mntr_flags = MONITOR_FLAG_CONTROL | + MONITOR_FLAG_OTHER_BSS; +@@ -794,8 +831,8 @@ int ieee80211_if_add(struct ieee80211_lo + + ASSERT_RTNL(); + +- ndev = alloc_netdev(sizeof(*sdata) + local->hw.vif_data_size, +- name, ieee80211_if_setup); ++ ndev = alloc_netdev_mq(sizeof(*sdata) + local->hw.vif_data_size, ++ name, ieee80211_if_setup, local->hw.queues); + if (!ndev) + return -ENOMEM; + dev_net_set(ndev, wiphy_net(local->hw.wiphy)); +--- a/net/mac80211/rx.c ++++ b/net/mac80211/rx.c +@@ -1747,7 +1747,9 @@ ieee80211_rx_h_mesh_fwding(struct ieee80 + memset(info, 0, sizeof(*info)); + info->flags |= IEEE80211_TX_INTFL_NEED_TXPROCESSING; + info->control.vif = &rx->sdata->vif; +- ieee80211_select_queue(local, fwd_skb); ++ skb_set_queue_mapping(skb, ++ ieee80211_select_queue(rx->sdata, fwd_skb)); ++ ieee80211_set_qos_hdr(local, skb); + if (is_multicast_ether_addr(fwd_hdr->addr1)) + IEEE80211_IFSTA_MESH_CTR_INC(&sdata->u.mesh, + fwded_mcast); +--- a/net/mac80211/tx.c ++++ b/net/mac80211/tx.c +@@ -1507,7 +1507,7 @@ static void ieee80211_xmit(struct ieee80 + return; + } + +- ieee80211_select_queue(local, skb); ++ ieee80211_set_qos_hdr(local, skb); + ieee80211_tx(sdata, skb, false); + rcu_read_unlock(); + } +@@ -2286,6 +2286,9 @@ void ieee80211_tx_skb(struct ieee80211_s + skb_set_network_header(skb, 0); + skb_set_transport_header(skb, 0); + ++ /* send all internal mgmt frames on VO */ ++ skb_set_queue_mapping(skb, 0); ++ + /* + * The other path calling ieee80211_xmit is from the tasklet, + * and while we can handle concurrent transmissions locking +--- a/net/mac80211/util.c ++++ b/net/mac80211/util.c +@@ -269,6 +269,7 @@ static void __ieee80211_wake_queue(struc + enum queue_stop_reason reason) + { + struct ieee80211_local *local = hw_to_local(hw); ++ struct ieee80211_sub_if_data *sdata; + + if (WARN_ON(queue >= hw->queues)) + return; +@@ -281,6 +282,11 @@ static void __ieee80211_wake_queue(struc + + if (!skb_queue_empty(&local->pending[queue])) + tasklet_schedule(&local->tx_pending_tasklet); ++ ++ rcu_read_lock(); ++ list_for_each_entry_rcu(sdata, &local->interfaces, list) ++ netif_tx_wake_queue(netdev_get_tx_queue(sdata->dev, queue)); ++ rcu_read_unlock(); + } + + void ieee80211_wake_queue_by_reason(struct ieee80211_hw *hw, int queue, +@@ -305,11 +311,17 @@ static void __ieee80211_stop_queue(struc + enum queue_stop_reason reason) + { + struct ieee80211_local *local = hw_to_local(hw); ++ struct ieee80211_sub_if_data *sdata; + + if (WARN_ON(queue >= hw->queues)) + return; + + __set_bit(reason, &local->queue_stop_reasons[queue]); ++ ++ rcu_read_lock(); ++ list_for_each_entry_rcu(sdata, &local->interfaces, list) ++ netif_tx_stop_queue(netdev_get_tx_queue(sdata->dev, queue)); ++ rcu_read_unlock(); + } + + void ieee80211_stop_queue_by_reason(struct ieee80211_hw *hw, int queue, +--- a/net/mac80211/wme.c ++++ b/net/mac80211/wme.c +@@ -44,22 +44,69 @@ static int wme_downgrade_ac(struct sk_bu + } + + +-/* Indicate which queue to use. */ +-static u16 classify80211(struct ieee80211_local *local, struct sk_buff *skb) ++/* Indicate which queue to use. */ ++u16 ieee80211_select_queue(struct ieee80211_sub_if_data *sdata, ++ struct sk_buff *skb) + { +- struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data; ++ struct ieee80211_local *local = sdata->local; ++ struct sta_info *sta = NULL; ++ u32 sta_flags = 0; ++ const u8 *ra = NULL; ++ bool qos = false; + +- if (!ieee80211_is_data(hdr->frame_control)) { +- /* management frames go on AC_VO queue, but are sent +- * without QoS control fields */ +- return 0; ++ if (local->hw.queues < 4 || skb->len < 6) { ++ skb->priority = 0; /* required for correct WPA/11i MIC */ ++ return min_t(u16, local->hw.queues - 1, ++ ieee802_1d_to_ac[skb->priority]); ++ } ++ ++ rcu_read_lock(); ++ switch (sdata->vif.type) { ++ case NL80211_IFTYPE_AP_VLAN: ++ rcu_read_lock(); ++ sta = rcu_dereference(sdata->u.vlan.sta); ++ if (sta) ++ sta_flags = get_sta_flags(sta); ++ rcu_read_unlock(); ++ if (sta) ++ break; ++ case NL80211_IFTYPE_AP: ++ ra = skb->data; ++ break; ++ case NL80211_IFTYPE_WDS: ++ ra = sdata->u.wds.remote_addr; ++ break; ++#ifdef CONFIG_MAC80211_MESH ++ case NL80211_IFTYPE_MESH_POINT: ++ /* ++ * XXX: This is clearly broken ... but already was before, ++ * because ieee80211_fill_mesh_addresses() would clear A1 ++ * except for multicast addresses. ++ */ ++ break; ++#endif ++ case NL80211_IFTYPE_STATION: ++ ra = sdata->u.mgd.bssid; ++ break; ++ case NL80211_IFTYPE_ADHOC: ++ ra = skb->data; ++ break; ++ default: ++ break; + } + +- if (0 /* injected */) { +- /* use AC from radiotap */ ++ if (!sta && ra && !is_multicast_ether_addr(ra)) { ++ sta = sta_info_get(sdata, ra); ++ if (sta) ++ sta_flags = get_sta_flags(sta); + } + +- if (!ieee80211_is_data_qos(hdr->frame_control)) { ++ if (sta_flags & WLAN_STA_WME) ++ qos = true; ++ ++ rcu_read_unlock(); ++ ++ if (!qos) { + skb->priority = 0; /* required for correct WPA/11i MIC */ + return ieee802_1d_to_ac[skb->priority]; + } +@@ -68,6 +115,12 @@ static u16 classify80211(struct ieee8021 + * data frame has */ + skb->priority = cfg80211_classify8021d(skb); + ++ return ieee80211_downgrade_queue(local, skb); ++} ++ ++u16 ieee80211_downgrade_queue(struct ieee80211_local *local, ++ struct sk_buff *skb) ++{ + /* in case we are a client verify acm is not set for this ac */ + while (unlikely(local->wmm_acm & BIT(skb->priority))) { + if (wme_downgrade_ac(skb)) { +@@ -85,24 +138,17 @@ static u16 classify80211(struct ieee8021 + return ieee802_1d_to_ac[skb->priority]; + } + +-void ieee80211_select_queue(struct ieee80211_local *local, struct sk_buff *skb) ++void ieee80211_set_qos_hdr(struct ieee80211_local *local, struct sk_buff *skb) + { +- struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data; +- u16 queue; +- u8 tid; +- +- queue = classify80211(local, skb); +- if (unlikely(queue >= local->hw.queues)) +- queue = local->hw.queues - 1; +- +- /* +- * Now we know the 1d priority, fill in the QoS header if +- * there is one (and we haven't done this before). +- */ ++ struct ieee80211_hdr *hdr = (void *)skb->data; ++ ++ /* Fill in the QoS header if there is one. */ + if (ieee80211_is_data_qos(hdr->frame_control)) { + u8 *p = ieee80211_get_qos_ctl(hdr); +- u8 ack_policy = 0; ++ u8 ack_policy = 0, tid; ++ + tid = skb->priority & IEEE80211_QOS_CTL_TAG1D_MASK; ++ + if (unlikely(local->wifi_wme_noack_test)) + ack_policy |= QOS_CONTROL_ACK_POLICY_NOACK << + QOS_CONTROL_ACK_POLICY_SHIFT; +@@ -110,6 +156,4 @@ void ieee80211_select_queue(struct ieee8 + *p++ = ack_policy | tid; + *p = 0; + } +- +- skb_set_queue_mapping(skb, queue); + } +--- a/net/mac80211/wme.h ++++ b/net/mac80211/wme.h +@@ -20,7 +20,11 @@ + + extern const int ieee802_1d_to_ac[8]; + +-void ieee80211_select_queue(struct ieee80211_local *local, +- struct sk_buff *skb); ++u16 ieee80211_select_queue(struct ieee80211_sub_if_data *sdata, ++ struct sk_buff *skb); ++void ieee80211_set_qos_hdr(struct ieee80211_local *local, struct sk_buff *skb); ++u16 ieee80211_downgrade_queue(struct ieee80211_local *local, ++ struct sk_buff *skb); ++ + + #endif /* _WME_H */ |