mac80211: Update to version 5.10-rc6-1
[openwrt/openwrt.git] / package / kernel / mac80211 / patches / subsys / 316-mac80211-skip-encap-offload-for-tx-multicast-control.patch
diff --git a/package/kernel/mac80211/patches/subsys/316-mac80211-skip-encap-offload-for-tx-multicast-control.patch b/package/kernel/mac80211/patches/subsys/316-mac80211-skip-encap-offload-for-tx-multicast-control.patch
deleted file mode 100644 (file)
index e8763e6..0000000
+++ /dev/null
@@ -1,136 +0,0 @@
-From: Felix Fietkau <nbd@nbd.name>
-Date: Fri, 21 Aug 2020 05:54:10 +0200
-Subject: [PATCH] mac80211: skip encap offload for tx multicast/control
- packets
-
-This simplifies the checks in the encap offload tx handler and allows using
-it in cases where software crypto is used for multicast packets, e.g. when
-using an AP_VLAN.
-
-Signed-off-by: Felix Fietkau <nbd@nbd.name>
----
-
---- a/net/mac80211/tx.c
-+++ b/net/mac80211/tx.c
-@@ -4181,88 +4181,47 @@ static void ieee80211_8023_xmit(struct i
-                               struct sk_buff *skb)
- {
-       struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
--      struct ethhdr *ehdr = (struct ethhdr *)skb->data;
-       struct ieee80211_local *local = sdata->local;
--      bool authorized = false;
--      bool multicast;
--      unsigned char *ra = ehdr->h_dest;
-       struct tid_ampdu_tx *tid_tx;
-       u8 tid;
--      if (IS_ERR(sta) || (sta && !sta->uploaded))
--              sta = NULL;
--
--      if (sdata->vif.type == NL80211_IFTYPE_STATION &&
--          (!sta || !test_sta_flag(sta, WLAN_STA_TDLS_PEER)))
--              ra = sdata->u.mgd.bssid;
--
--      if (is_zero_ether_addr(ra))
--              goto out_free;
--
-       if (local->ops->wake_tx_queue) {
-               u16 queue = __ieee80211_select_queue(sdata, sta, skb);
-               skb_set_queue_mapping(skb, queue);
-               skb_get_hash(skb);
-       }
--      multicast = is_multicast_ether_addr(ra);
--
--      if (sta)
--              authorized = test_sta_flag(sta, WLAN_STA_AUTHORIZED);
--
--      if (!multicast && !authorized &&
--          (ehdr->h_proto != sdata->control_port_protocol ||
--           !ether_addr_equal(sdata->vif.addr, ehdr->h_source)))
--              goto out_free;
--
--      if (multicast && sdata->vif.type == NL80211_IFTYPE_AP &&
--          !atomic_read(&sdata->u.ap.num_mcast_sta))
--              goto out_free;
--
-       if (unlikely(test_bit(SCAN_SW_SCANNING, &local->scanning)) &&
-           test_bit(SDATA_STATE_OFFCHANNEL, &sdata->state))
-               goto out_free;
-       memset(info, 0, sizeof(*info));
--      if (sta) {
--              tid = skb->priority & IEEE80211_QOS_CTL_TAG1D_MASK;
--              tid_tx = rcu_dereference(sta->ampdu_mlme.tid_tx[tid]);
--              if (tid_tx) {
--                      if (!test_bit(HT_AGG_STATE_OPERATIONAL, &tid_tx->state)) {
--                              /* fall back to non-offload slow path */
--                              __ieee80211_subif_start_xmit(skb, dev, 0, 0, NULL);
--                              return;
--                      }
--
--                      info->flags |= IEEE80211_TX_CTL_AMPDU;
--                      if (tid_tx->timeout)
--                              tid_tx->last_tx = jiffies;
-+      tid = skb->priority & IEEE80211_QOS_CTL_TAG1D_MASK;
-+      tid_tx = rcu_dereference(sta->ampdu_mlme.tid_tx[tid]);
-+      if (tid_tx) {
-+              if (!test_bit(HT_AGG_STATE_OPERATIONAL, &tid_tx->state)) {
-+                      /* fall back to non-offload slow path */
-+                      __ieee80211_subif_start_xmit(skb, dev, 0, 0, NULL);
-+                      return;
-               }
-+
-+              info->flags |= IEEE80211_TX_CTL_AMPDU;
-+              if (tid_tx->timeout)
-+                      tid_tx->last_tx = jiffies;
-       }
--      if (unlikely(!multicast && skb->sk &&
-+      if (unlikely(skb->sk &&
-                    skb_shinfo(skb)->tx_flags & SKBTX_WIFI_STATUS))
-               info->ack_frame_id = ieee80211_store_ack_skb(local, skb,
-                                                            &info->flags, NULL);
--      if (unlikely(sdata->control_port_protocol == ehdr->h_proto)) {
--              if (sdata->control_port_no_encrypt)
--                      info->flags |= IEEE80211_TX_INTFL_DONT_ENCRYPT;
--              info->control.flags |= IEEE80211_TX_CTRL_PORT_CTRL_PROTO;
--      }
--
--      if (multicast)
--              info->flags |= IEEE80211_TX_CTL_NO_ACK;
--
-       info->hw_queue = sdata->vif.hw_queue[skb_get_queue_mapping(skb)];
-       ieee80211_tx_stats(dev, skb->len);
--      if (sta) {
--              sta->tx_stats.bytes[skb_get_queue_mapping(skb)] += skb->len;
--              sta->tx_stats.packets[skb_get_queue_mapping(skb)]++;
--      }
-+      sta->tx_stats.bytes[skb_get_queue_mapping(skb)] += skb->len;
-+      sta->tx_stats.packets[skb_get_queue_mapping(skb)]++;
-       if (sdata->vif.type == NL80211_IFTYPE_AP_VLAN)
-               sdata = container_of(sdata->bss,
-@@ -4283,6 +4242,7 @@ netdev_tx_t ieee80211_subif_start_xmit_8
-                                           struct net_device *dev)
- {
-       struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
-+      struct ethhdr *ehdr = (struct ethhdr *)skb->data;
-       struct sta_info *sta;
-       if (WARN_ON(!sdata->hw_80211_encap)) {
-@@ -4299,6 +4259,10 @@ netdev_tx_t ieee80211_subif_start_xmit_8
-       if (ieee80211_lookup_ra_sta(sdata, skb, &sta))
-               kfree_skb(skb);
-+      else if (unlikely(IS_ERR_OR_NULL(sta) || !sta->uploaded ||
-+                        !test_sta_flag(sta, WLAN_STA_AUTHORIZED) ||
-+                        sdata->control_port_protocol == ehdr->h_proto))
-+              ieee80211_subif_start_xmit(skb, dev);
-       else
-               ieee80211_8023_xmit(sdata, dev, sta, skb);