openwrt/target/linux/generic/pending-4.19/642-net-8021q-support-hardware-flow-table-offload.patch
Hauke Mehrtens 52a82ce3dd kernel: Copy patches from kernel 4.14 to 4.19
This just copies the files from the kernel 4.14 specific folders into
the kernel 4.19 specific folder, no changes are done to the files in
this commit.

Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
2018-12-15 12:50:06 +01:00

61 lines
1.7 KiB
Diff

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"
@@ -766,6 +770,27 @@ 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,
@@ -803,6 +828,9 @@ 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)