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61 lines
1.7 KiB
Diff
61 lines
1.7 KiB
Diff
From: Felix Fietkau <nbd@nbd.name>
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Date: Thu, 15 Mar 2018 20:49:58 +0100
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Subject: [PATCH] net: 8021q: support hardware flow table offload
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Add the VLAN ID and protocol information
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Signed-off-by: Felix Fietkau <nbd@nbd.name>
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---
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--- a/net/8021q/vlan_dev.c
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+++ b/net/8021q/vlan_dev.c
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@@ -32,6 +32,10 @@
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#include <linux/phy.h>
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#include <net/arp.h>
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#include <net/switchdev.h>
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+#ifdef CONFIG_NF_FLOW_TABLE
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+#include <linux/netfilter.h>
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+#include <net/netfilter/nf_flow_table.h>
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+#endif
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#include "vlan.h"
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#include "vlanproc.h"
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@@ -766,6 +770,27 @@ static int vlan_dev_get_iflink(const str
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return real_dev->ifindex;
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}
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+#ifdef CONFIG_NF_FLOW_TABLE
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+static int vlan_dev_flow_offload_check(struct flow_offload_hw_path *path)
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+{
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+ struct net_device *dev = path->dev;
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+ struct vlan_dev_priv *vlan = vlan_dev_priv(dev);
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+
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+ if (path->flags & FLOW_OFFLOAD_PATH_VLAN)
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+ return -EEXIST;
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+
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+ path->flags |= FLOW_OFFLOAD_PATH_VLAN;
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+ path->vlan_proto = vlan->vlan_proto;
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+ path->vlan_id = vlan->vlan_id;
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+ path->dev = vlan->real_dev;
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+
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+ if (vlan->real_dev->netdev_ops->ndo_flow_offload_check)
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+ return vlan->real_dev->netdev_ops->ndo_flow_offload_check(path);
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+
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+ return 0;
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+}
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+#endif /* CONFIG_NF_FLOW_TABLE */
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+
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static const struct ethtool_ops vlan_ethtool_ops = {
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.get_link_ksettings = vlan_ethtool_get_link_ksettings,
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.get_drvinfo = vlan_ethtool_get_drvinfo,
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@@ -803,6 +828,9 @@ static const struct net_device_ops vlan_
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.ndo_fix_features = vlan_dev_fix_features,
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.ndo_get_lock_subclass = vlan_dev_get_lock_subclass,
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.ndo_get_iflink = vlan_dev_get_iflink,
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+#ifdef CONFIG_NF_FLOW_TABLE
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+ .ndo_flow_offload_check = vlan_dev_flow_offload_check,
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+#endif
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};
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static void vlan_dev_free(struct net_device *dev)
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