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- 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"
- @@ -769,6 +773,27 @@ 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,
- @@ -806,6 +831,9 @@ 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)
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