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-rw-r--r--include/linux/if_macvlan.h1
-rw-r--r--include/linux/netdev_features.h2
-rw-r--r--include/linux/netdevice.h36
3 files changed, 38 insertions, 1 deletions
diff --git a/include/linux/if_macvlan.h b/include/linux/if_macvlan.h
index ddd33fd5904d..c2702856295e 100644
--- a/include/linux/if_macvlan.h
+++ b/include/linux/if_macvlan.h
@@ -61,6 +61,7 @@ struct macvlan_dev {
struct hlist_node hlist;
struct macvlan_port *port;
struct net_device *lowerdev;
+ void *fwd_priv;
struct macvlan_pcpu_stats __percpu *pcpu_stats;
DECLARE_BITMAP(mc_filter, MACVLAN_MC_FILTER_SZ);
diff --git a/include/linux/netdev_features.h b/include/linux/netdev_features.h
index b05a4b501ab5..1005ebf17575 100644
--- a/include/linux/netdev_features.h
+++ b/include/linux/netdev_features.h
@@ -62,6 +62,7 @@ enum {
NETIF_F_HW_VLAN_STAG_TX_BIT, /* Transmit VLAN STAG HW acceleration */
NETIF_F_HW_VLAN_STAG_RX_BIT, /* Receive VLAN STAG HW acceleration */
NETIF_F_HW_VLAN_STAG_FILTER_BIT,/* Receive filtering on VLAN STAGs */
+ NETIF_F_HW_L2FW_DOFFLOAD_BIT, /* Allow L2 Forwarding in Hardware */
/*
* Add your fresh new feature above and remember to update
@@ -116,6 +117,7 @@ enum {
#define NETIF_F_HW_VLAN_STAG_FILTER __NETIF_F(HW_VLAN_STAG_FILTER)
#define NETIF_F_HW_VLAN_STAG_RX __NETIF_F(HW_VLAN_STAG_RX)
#define NETIF_F_HW_VLAN_STAG_TX __NETIF_F(HW_VLAN_STAG_TX)
+#define NETIF_F_HW_L2FW_DOFFLOAD __NETIF_F(HW_L2FW_DOFFLOAD)
/* Features valid for ethtool to change */
/* = all defined minus driver/device-class-related */
diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
index b6f6efbcfc74..15fa01c9a3bf 100644
--- a/include/linux/netdevice.h
+++ b/include/linux/netdevice.h
@@ -962,6 +962,25 @@ struct netdev_phys_port_id {
* Called by vxlan to notify the driver about a UDP port and socket
* address family that vxlan is not listening to anymore. The operation
* is protected by the vxlan_net->sock_lock.
+ *
+ * void* (*ndo_dfwd_add_station)(struct net_device *pdev,
+ * struct net_device *dev)
+ * Called by upper layer devices to accelerate switching or other
+ * station functionality into hardware. 'pdev is the lowerdev
+ * to use for the offload and 'dev' is the net device that will
+ * back the offload. Returns a pointer to the private structure
+ * the upper layer will maintain.
+ * void (*ndo_dfwd_del_station)(struct net_device *pdev, void *priv)
+ * Called by upper layer device to delete the station created
+ * by 'ndo_dfwd_add_station'. 'pdev' is the net device backing
+ * the station and priv is the structure returned by the add
+ * operation.
+ * netdev_tx_t (*ndo_dfwd_start_xmit)(struct sk_buff *skb,
+ * struct net_device *dev,
+ * void *priv);
+ * Callback to use for xmit over the accelerated station. This
+ * is used in place of ndo_start_xmit on accelerated net
+ * devices.
*/
struct net_device_ops {
int (*ndo_init)(struct net_device *dev);
@@ -1098,6 +1117,15 @@ struct net_device_ops {
void (*ndo_del_vxlan_port)(struct net_device *dev,
sa_family_t sa_family,
__be16 port);
+
+ void* (*ndo_dfwd_add_station)(struct net_device *pdev,
+ struct net_device *dev);
+ void (*ndo_dfwd_del_station)(struct net_device *pdev,
+ void *priv);
+
+ netdev_tx_t (*ndo_dfwd_start_xmit) (struct sk_buff *skb,
+ struct net_device *dev,
+ void *priv);
};
/*
@@ -1195,6 +1223,7 @@ struct net_device {
/* Management operations */
const struct net_device_ops *netdev_ops;
const struct ethtool_ops *ethtool_ops;
+ const struct forwarding_accel_ops *fwd_ops;
/* Hardware header description */
const struct header_ops *header_ops;
@@ -2388,7 +2417,7 @@ int dev_change_carrier(struct net_device *, bool new_carrier);
int dev_get_phys_port_id(struct net_device *dev,
struct netdev_phys_port_id *ppid);
int dev_hard_start_xmit(struct sk_buff *skb, struct net_device *dev,
- struct netdev_queue *txq);
+ struct netdev_queue *txq, void *accel_priv);
int dev_forward_skb(struct net_device *dev, struct sk_buff *skb);
extern int netdev_budget;
@@ -2967,6 +2996,11 @@ static inline void netif_set_gso_max_size(struct net_device *dev,
dev->gso_max_size = size;
}
+static inline bool netif_is_macvlan(struct net_device *dev)
+{
+ return dev->priv_flags & IFF_MACVLAN;
+}
+
static inline bool netif_is_bond_master(struct net_device *dev)
{
return dev->flags & IFF_MASTER && dev->priv_flags & IFF_BONDING;