kernel: copy kernel 4.19 code to 5.4

No changes were done to the patches while coping them. Currently they do
not apply on top of kernel 5.4.

Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>

1 files changed, 60 insertions, 0 deletions

diff --git a/target/linux/generic/pending-5.4/642-net-8021q-support-hardware-flow-table-offload.patch b/target/linux/generic/pending-5.4/642-net-8021q-support-hardware-flow-table-offload.patch
new file mode 100644
index 0000000000..7547c14bed
--- /dev/null
+++ b/target/linux/generic/pending-5.4/642-net-8021q-support-hardware-flow-table-offload.patch
@@ -0,0 +1,60 @@
+From: Felix Fietkau <nbd@nbd.name>
+Date: Thu, 15 Mar 2018 20:49:58 +0100
+Subject: [PATCH] net: 8021q: support hardware flow table offload
+
+Add the VLAN ID and protocol information
+
+Signed-off-by: Felix Fietkau <nbd@nbd.name>
+---
+
+--- a/net/8021q/vlan_dev.c
++++ b/net/8021q/vlan_dev.c
+@@ -32,6 +32,10 @@
+ #include <linux/phy.h>
+ #include <net/arp.h>
+ #include <net/switchdev.h>
++#if IS_ENABLED(CONFIG_NF_FLOW_TABLE)
++#include <linux/netfilter.h>
++#include <net/netfilter/nf_flow_table.h>
++#endif
+ 
+ #include "vlan.h"
+ #include "vlanproc.h"
+@@ -771,6 +775,27 @@ static int vlan_dev_get_iflink(const str
+ 	return real_dev->ifindex;
+ }
+ 
++#if IS_ENABLED(CONFIG_NF_FLOW_TABLE)
++static int vlan_dev_flow_offload_check(struct flow_offload_hw_path *path)
++{
++	struct net_device *dev = path->dev;
++	struct vlan_dev_priv *vlan = vlan_dev_priv(dev);
++
++	if (path->flags & FLOW_OFFLOAD_PATH_VLAN)
++		return -EEXIST;
++
++	path->flags |= FLOW_OFFLOAD_PATH_VLAN;
++	path->vlan_proto = vlan->vlan_proto;
++	path->vlan_id = vlan->vlan_id;
++	path->dev = vlan->real_dev;
++
++	if (vlan->real_dev->netdev_ops->ndo_flow_offload_check)
++		return vlan->real_dev->netdev_ops->ndo_flow_offload_check(path);
++
++	return 0;
++}
++#endif /* CONFIG_NF_FLOW_TABLE */
++
+ static const struct ethtool_ops vlan_ethtool_ops = {
+ 	.get_link_ksettings	= vlan_ethtool_get_link_ksettings,
+ 	.get_drvinfo	        = vlan_ethtool_get_drvinfo,
+@@ -808,6 +833,9 @@ static const struct net_device_ops vlan_
+ 	.ndo_fix_features	= vlan_dev_fix_features,
+ 	.ndo_get_lock_subclass  = vlan_dev_get_lock_subclass,
+ 	.ndo_get_iflink		= vlan_dev_get_iflink,
++#if IS_ENABLED(CONFIG_NF_FLOW_TABLE)
++	.ndo_flow_offload_check = vlan_dev_flow_offload_check,
++#endif
+ };
+ 
+ static void vlan_dev_free(struct net_device *dev)