mac80211: tweak TSQ settings

Latencies can be much higher on wifi devices, especially with
aggregation. Tune the network stack setting introduced in the previous
commit to account for that.
This commit reintroduces the previously reverted one with a fix for the
crash issues

Signed-off-by: Felix Fietkau <nbd@nbd.name>

diff --git a/package/kernel/mac80211/patches/140-tweak-TSQ-setting.patch b/package/kernel/mac80211/patches/140-tweak-TSQ-setting.patch
new file mode 100644 (file)
index 0000000..6e9a07a
--- /dev/null
+++ b/package/kernel/mac80211/patches/140-tweak-TSQ-setting.patch
@@ -0,0 +1,15 @@
+--- a/net/mac80211/tx.c
++++ b/net/mac80211/tx.c
+@@ -3750,6 +3750,12 @@ out:
+ netdev_tx_t ieee80211_subif_start_xmit(struct sk_buff *skb,
+                                      struct net_device *dev)
+ {
++#if defined(sk_pacing_shift) || LINUX_VERSION_IS_GEQ(4,15,0)
++      if (skb->sk && sk_fullsock(skb->sk) &&
++          skb->sk->sk_pacing_shift != 6)
++              skb->sk->sk_pacing_shift = 6;
++#endif
++
+       if (unlikely(ieee80211_multicast_to_unicast(skb, dev))) {
+               struct sk_buff_head queue;
+ 

diff --git a/package/kernel/mac80211/patches/307-mac80211-add-hdrlen-to-ieee80211_tx_data.patch b/package/kernel/mac80211/patches/307-mac80211-add-hdrlen-to-ieee80211_tx_data.patch
index 934e2e122c2b7f3dd279e456f78216cbf5de24f5..83c613434d321fbb581bd891e60cb56a340c9a0f 100644 (file)
--- a/package/kernel/mac80211/patches/307-mac80211-add-hdrlen-to-ieee80211_tx_data.patch
+++ b/package/kernel/mac80211/patches/307-mac80211-add-hdrlen-to-ieee80211_tx_data.patch
@@ -56,7 +56,7 @@ Signed-off-by: Janusz Dziedzic <janusz.dziedzic@tieto.com>
  
        if (txq->sta)
                tx.sta = container_of(txq->sta, struct sta_info, sta);
-@@ -3790,6 +3791,7 @@ ieee80211_build_data_template(struct iee
+@@ -3796,6 +3797,7 @@ ieee80211_build_data_template(struct iee
        hdr = (void *)skb->data;
        tx.sta = sta_info_get(sdata, hdr->addr1);
        tx.skb = skb;