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author | Felix Fietkau <nbd@nbd.name> | 2019-03-16 19:50:44 +0100 |
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committer | Felix Fietkau <nbd@nbd.name> | 2019-03-16 19:59:02 +0100 |
commit | 4cf1394f51ba4b28edab016e36fb0f7a1c208f30 (patch) | |
tree | b4e35b4e35f2e72e37fcf5bf27e93517423d1b28 /package/kernel/mac80211/patches/subsys/356-mac80211-set-NETIF_F_LLTX-when-using-intermediate-tx.patch | |
parent | 1f68aac9d7b15013407afca581c5da09b45b9afa (diff) | |
download | upstream-4cf1394f51ba4b28edab016e36fb0f7a1c208f30.tar.gz upstream-4cf1394f51ba4b28edab016e36fb0f7a1c208f30.tar.bz2 upstream-4cf1394f51ba4b28edab016e36fb0f7a1c208f30.zip |
mac80211: add a few performance improvement patches
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Diffstat (limited to 'package/kernel/mac80211/patches/subsys/356-mac80211-set-NETIF_F_LLTX-when-using-intermediate-tx.patch')
-rw-r--r-- | package/kernel/mac80211/patches/subsys/356-mac80211-set-NETIF_F_LLTX-when-using-intermediate-tx.patch | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/package/kernel/mac80211/patches/subsys/356-mac80211-set-NETIF_F_LLTX-when-using-intermediate-tx.patch b/package/kernel/mac80211/patches/subsys/356-mac80211-set-NETIF_F_LLTX-when-using-intermediate-tx.patch new file mode 100644 index 0000000000..95ab3ab9fb --- /dev/null +++ b/package/kernel/mac80211/patches/subsys/356-mac80211-set-NETIF_F_LLTX-when-using-intermediate-tx.patch @@ -0,0 +1,22 @@ +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 |