mvebu: remove linux 4.4 support

[openwrt/openwrt.git] / target / linux / mvebu / patches-4.4 / 400-mvneta-tx-queue-workaround.patch

diff --git a/target/linux/mvebu/patches-4.4/400-mvneta-tx-queue-workaround.patch b/target/linux/mvebu/patches-4.4/400-mvneta-tx-queue-workaround.patch
deleted file mode 100644 (file)
index 5dba311..0000000
--- a/target/linux/mvebu/patches-4.4/400-mvneta-tx-queue-workaround.patch
+++ /dev/null
@@ -1,36 +0,0 @@
-The hardware queue scheduling is apparently configured with fixed
-priorities, which creates a nasty fairness issue where traffic from one
-CPU can starve traffic from all other CPUs.
-
-Work around this issue by forcing all tx packets to go through one CPU,
-until this issue is fixed properly.
-
-Signed-off-by: Felix Fietkau <nbd@nbd.name>
----
---- a/drivers/net/ethernet/marvell/mvneta.c
-+++ b/drivers/net/ethernet/marvell/mvneta.c
-@@ -3984,6 +3984,16 @@ static int mvneta_ethtool_set_eee(struct
-       return phylink_ethtool_set_eee(pp->phylink, eee);
- }
- 
-+static u16 mvneta_select_queue(struct net_device *dev, struct sk_buff *skb,
-+                             void *accel_priv,
-+                             select_queue_fallback_t fallback)
-+{
-+      /* XXX: hardware queue scheduling is broken,
-+       * use only one queue until it is fixed */
-+      return 0;
-+}
-+
-+
- static const struct net_device_ops mvneta_netdev_ops = {
-       .ndo_open            = mvneta_open,
-       .ndo_stop            = mvneta_stop,
-@@ -3994,6 +4004,7 @@ static const struct net_device_ops mvnet
-       .ndo_fix_features    = mvneta_fix_features,
-       .ndo_get_stats64     = mvneta_get_stats64,
-       .ndo_do_ioctl        = mvneta_ioctl,
-+      .ndo_select_queue    = mvneta_select_queue,
- };
- 
- const struct ethtool_ops mvneta_eth_tool_ops = {