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From: Felix Fietkau <nbd@nbd.name>
Date: Sat, 16 Mar 2019 18:01:53 +0100
Subject: [PATCH] mac80211: set NETIF_F_LLTX when using intermediate tx
queues
When using iTXQ, tx sequence number allocation and statistics are run at
dequeue time. Because of that, it is safe to enable NETIF_F_LLTX, which
allows tx handlers to run on multiple CPUs in parallel.
Signed-off-by: Felix Fietkau <nbd@nbd.name>
---
--- a/net/mac80211/iface.c
+++ b/net/mac80211/iface.c
@@ -1301,6 +1301,7 @@ static void ieee80211_if_setup(struct ne
static void ieee80211_if_setup_no_queue(struct net_device *dev)
{
ieee80211_if_setup(dev);
+ dev->features |= NETIF_F_LLTX;
#if LINUX_VERSION_IS_GEQ(4,3,0)
dev->priv_flags |= IFF_NO_QUEUE;
#else
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